CN111373629A

CN111373629A - Wireless charging alignment detection method and electronic equipment

Info

Publication number: CN111373629A
Application number: CN201880074892.6A
Authority: CN
Inventors: 袁兵; 郑志勇; 崔瑞
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-03-26
Filing date: 2018-03-26
Publication date: 2020-07-03
Also published as: WO2019183782A1

Abstract

A wireless charging alignment detection method and electronic equipment relate to the technical field of wireless charging, and can effectively detect the position relation between a mobile phone coil and a charging seat coil on the basis of not additionally adding components in a mobile phone. The wireless charging alignment detection method comprises the following steps: receiving a detection signal sent by a charging seat, and determining the signal intensity of the detection signal (S401); determining a first position relation between the electronic device coil and the charging seat coil according to the magnitude relation between the signal intensity of the detection signal and a first threshold value (S402), wherein the first position relation comprises the alignment or deviation of the electronic device coil and the charging seat coil; and displaying a first interface which comprises information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment (S403). The wireless charging alignment detection method is suitable for the wireless charging process of the electronic equipment.

Description

Wireless charging alignment detection method and electronic equipment

Technical Field

The application relates to the technical field of wireless charging, in particular to a wireless charging alignment detection method and electronic equipment.

Background

With the development of wireless charging technology, a user can charge electronic devices such as a mobile phone in a wireless charging manner. Therefore, in the charging process, the adaptive relation between the data line and the electronic equipment and the like do not need to be considered, and the use of a user is facilitated. As shown in fig. 1, the mobile phone 101 is placed on the charging dock 102, and the mobile phone 101 is charged in a wireless charging manner.

Because the charging seat surface is different from the surface of the mobile phone in shape, size and the like, and most charging seats do not have devices capable of fixing the mobile phone, when a user places the mobile phone on the charging seat, the mobile phone coil and the charging seat coil are likely to be not aligned well, namely the mobile phone coil and the charging seat coil are in deviation. Therefore, in the process of charging the mobile phone by using the charging seat, the charging process is usually interrupted or charging cannot be performed, or the charging seat is needed to provide more power for the mobile phone although the mobile phone is in the charging process, and even longer time is needed to ensure the charging efficiency of the mobile phone.

In order to solve the above problem, at present, before the mobile phone leaves the factory, two metal sensors may be added inside the mobile phone, as shown in fig. 2, which is a schematic partial structure diagram inside the mobile phone. The three points of the two metal sensors (the detection point x and the detection point y) and the center of the mobile phone coil form a triangular structure. When the mobile phone is placed on the charging seat, the mobile phone can respectively detect the magnetic flux of each vertex (namely a detection point x, a detection point y and a mobile phone coil multiplexed as a detection point z) in the triangular structure through the two additional metal sensors and the electromagnetic sensor for detecting the magnetic flux of the coil in the mobile phone, so as to determine the position relationship between the charging seat coil and the mobile phone coil, and further determine whether the mobile phone coil and the charging seat coil can be well aligned.

By adopting the above mode, although the position relation between the mobile phone coil and the charging seat coil can be effectively detected, two metal sensors need to be additionally arranged in the mobile phone, and the manufacturing cost of the mobile phone is increased.

Disclosure of Invention

The embodiment of the application provides a wireless charging alignment detection method and electronic equipment, which can effectively detect the position relation between a mobile phone coil and a charging seat coil on the basis of not additionally adding parts in a mobile phone.

In a first aspect, an embodiment of the present application provides a wireless charging alignment detection method. The method is applied to the electronic equipment. The method comprises the following steps: and receiving the detection signal sent by the charging seat and determining the signal intensity of the detection signal. And then, determining a first position relation between the coil of the electronic equipment and the coil of the charging seat according to the magnitude relation between the signal intensity of the detection signal and the first threshold value. The first position relationship comprises the alignment or deviation of the electronic device coil and the charging seat coil. And displaying a first interface, wherein the first interface comprises information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment.

The detection signal may be a signal periodically transmitted by the charging dock for detecting the receiving end of the wireless charging signal. When the charging seat detects the wireless charging signal receiving end, the electronic device can receive the detection signal sent by the charging seat. And then the electronic equipment can determine the first position relation between the coil of the electronic equipment and the coil of the charging seat through the signal intensity of the detection signal, and the electronic equipment presents information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment according to the first position relation. It should be noted that, in the process of receiving the detection signal by the electronic device, the electronic device can convert the analog signal (i.e., the detection signal) into a digital signal by means of analog-to-digital conversion to obtain the rectified voltage of the detection signal. The electronic device can then calculate the signal strength of the detection signal according to the rectified voltage, and determine the positional relationship between the electronic device coil and the charging seat coil according to the magnitude relationship between the signal strength and the first threshold value. And then presenting information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment to the user.

In one implementation, determining the first positional relationship between the coil of the electronic device and the coil of the charging dock according to the magnitude relationship between the signal strength of the detection signal and the first threshold may be implemented as: when the signal intensity of the detection signal is greater than or equal to the first threshold value, the first position relation is determined to be the alignment of the electronic equipment coil and the charging seat coil. The electronic equipment coil and the charging seat coil are aligned in such a way that the distance between the center of the electronic equipment coil and the center of the charging seat coil is smaller than or equal to a first distance threshold value.

In the process of transmitting the detection signal from the charging seat to the electronic equipment, when the distance between the center of the coil of the charging seat and the center of the coil of the electronic equipment is smaller, the signal intensity of the detection signal obtained by the electronic equipment is larger, which indicates that the coil of the charging seat is aligned with the coil of the electronic equipment, namely when the distance between the center of the coil of the electronic equipment and the center of the coil of the charging seat is smaller than or equal to a first distance threshold value, the coil of the electronic equipment is aligned with the coil of the charging seat.

In one implementation, determining the first positional relationship between the coil of the electronic device and the coil of the charging dock according to the magnitude relationship between the signal strength of the detection signal and the first threshold may be implemented as: when the signal intensity of the detection signal is smaller than a first threshold value, the first position relation is determined to be the deviation of the coil of the electronic equipment and the coil of the charging seat. The electronic device coil and the charging seat coil are offset in such a way that the distance between the center of the electronic device coil and the center of the charging seat coil is greater than a second distance threshold.

In the process of transmitting the detection signal from the charging seat to the electronic equipment, when the distance between the center of the coil of the charging seat and the center of the coil of the electronic equipment is larger, the signal intensity of the detection signal obtained by the electronic equipment is smaller, which indicates that the coil of the charging seat and the coil of the electronic equipment are in deviation, namely when the coil of the electronic equipment and the coil of the charging seat are in alignment, namely the distance between the center of the coil of the electronic equipment and the center of the coil of the charging seat is larger than a second distance threshold value, the coil of the electronic equipment and the coil of the.

In one implementation, a power signal sent by the charging dock is received, and the transmitting frequency of the power signal is detected. The power signal received by the electronic equipment is a stable power signal. And then, according to the magnitude relation between the transmitting frequency of the power signal and a second threshold value, determining a second position relation between the coil of the electronic equipment and the coil of the charging seat. The second position relationship comprises the alignment or deviation of the electronic device coil and the charging seat coil. And displaying a second interface, wherein the second interface comprises information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment.

The power signal is a signal sent by the charging dock after the charging dock successfully handshakes with the electronic device, and may be a signal sent after the charging dock stops sending the detection signal. After the electronic device receives the power signal sent by the charging seat, the electronic device can detect the transmitting frequency of the power signal and determine the second position relation between the coil of the electronic device and the coil of the charging seat according to the transmitting frequency. And then enabling the electronic equipment to present information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment according to the second position relation.

In one implementation, determining the second positional relationship between the electronic device coil and the charging-stand coil according to the magnitude relationship between the transmission frequency of the power signal and the second threshold may be implemented as: and when the transmitting frequency of the power signal is greater than or equal to a second threshold value, determining that the second position relation is the alignment of the electronic equipment coil and the charging seat coil. Wherein, the alignment of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is less than or equal to a first distance threshold.

In the process of transmitting the power signal from the charging seat to the electronic equipment, when the distance between the center of the coil of the charging seat and the center of the coil of the electronic equipment is smaller, the transmitting frequency of the power signal obtained by the electronic equipment is larger, which indicates that the coil of the charging seat is aligned with the coil of the electronic equipment, namely when the distance between the center of the coil of the electronic equipment and the center of the coil of the charging seat is smaller than or equal to a first distance threshold value, the coil of the electronic equipment is aligned with the coil of the charging seat.

In one implementation, determining the second positional relationship between the electronic device coil and the charging-stand coil according to the magnitude relationship between the transmission frequency of the power signal and the second threshold may be implemented as: and when the transmitting frequency of the power signal is less than a second threshold value, determining that the second position relation is the deviation between the electronic equipment coil and the charging seat coil. The electronic device coil and the charging seat coil are offset in such a way that the distance between the center of the electronic device coil and the center of the charging seat coil is greater than a second distance threshold.

In the process of transmitting the power signal from the charging seat to the electronic equipment, when the distance between the center of the coil of the charging seat and the center of the coil of the electronic equipment is larger, the transmitting frequency of the power signal obtained by the electronic equipment is smaller, which represents that the coil of the charging seat deviates from the coil of the electronic equipment, namely when the deviation between the coil of the electronic equipment and the coil of the charging seat is that the distance between the center of the coil of the electronic equipment and the center of the coil of the charging seat is larger than a second distance threshold value, the coil of the electronic equipment deviates from the coil of the charging seat.

In one implementation, the distance between the center of the electronic device coil and the center of the charging seat coil may be a linear distance between the center of the electronic device coil and the center of the charging seat coil, that is, the center of the electronic device coil is taken as one end point of a line segment, the center of the charging seat coil is taken as the other end point of the line segment, and the linear distance between the two end points is a linear distance.

In an implementation manner, the distance between the center of the electronic device coil and the center of the charging seat coil may also be a horizontal distance between the center of the electronic device coil and the center of the charging seat coil, that is, a linear distance between the projected center of the electronic device coil and the center of the charging seat coil after the electronic device coil is projected onto a plane where the charging seat coil is located, or a linear distance between the projected center of the electronic device coil and the projected center of the charging seat coil after the charging seat coil is projected onto a plane where the electronic device coil is located.

In an implementation manner, the manner of distinguishing the position relationship between the mobile phone coil and the charging seat coil may further be:

when the absolute value of the deviation distance between the center of the electronic equipment coil and the center of the charging seat coil is smaller than or equal to a first deviation threshold value, the electronic equipment coil and the charging seat coil are aligned; and when the absolute value of the deviation distance between the center of the electronic equipment coil and the center of the charging seat coil is larger than a second deviation threshold value, the electronic equipment coil and the charging seat coil are deviated. That is, the positional relationship of the center of the coil of the electronic device with respect to the center of the coil of the charging stand and the magnitude of the deviation are determined with reference to the center of the coil of the charging stand. Wherein the first deviation threshold is less than or equal to the second deviation threshold.

Or when the absolute value of the deviation distance between the center of the charging seat coil and the center of the electronic equipment coil is smaller than or equal to the first deviation threshold, the electronic equipment coil and the charging seat coil are aligned; and when the absolute value of the deviation distance between the center of the charging seat coil and the center of the electronic equipment coil is larger than a second deviation threshold value, the electronic equipment coil and the charging seat coil are deviated. That is, the positional relationship of the center of the coil of the charging stand with respect to the center of the coil of the electronic device and the magnitude of the deviation are determined with reference to the center of the coil of the electronic device. Wherein the first deviation threshold is less than or equal to the second deviation threshold.

Or when the deviation distance between the center of the electronic device coil and the center of the charging seat coil is greater than or equal to a third deviation threshold value and the deviation distance between the center of the electronic device coil and the center of the charging seat coil is less than or equal to a fourth deviation threshold value, the electronic device coil and the charging seat coil are aligned; and when the deviation distance between the center of the electronic equipment coil and the center of the charging seat coil is smaller than a third deviation threshold value, or the deviation distance between the center of the electronic equipment coil and the center of the charging seat coil is larger than a fourth deviation threshold value, the electronic equipment coil and the charging seat coil are deviated. That is, the positional relationship of the center of the coil of the electronic device with respect to the center of the coil of the charging stand and the magnitude of the deviation are determined with reference to the center of the coil of the charging stand. And the third deviation threshold is smaller than the fourth deviation threshold, the third deviation threshold is a negative number, and the fourth deviation threshold is a positive number.

Or when the deviation distance between the center of the charging seat coil and the center of the electronic equipment coil is greater than or equal to a fifth deviation threshold value and the deviation distance between the center of the charging seat coil and the center of the electronic equipment coil is less than or equal to a sixth deviation threshold value, the electronic equipment coil and the charging seat coil are aligned; and when the deviation distance between the center of the charging seat coil and the center of the electronic equipment coil is smaller than a fifth deviation threshold value, or the deviation distance between the center of the charging seat coil and the center of the electronic equipment coil is larger than a sixth deviation threshold value, the electronic equipment coil and the charging seat coil are deviated. That is, the positional relationship of the center of the coil of the charging stand with respect to the center of the coil of the electronic device and the magnitude of the deviation are determined with reference to the center of the coil of the electronic device. The fifth deviation threshold is smaller than the sixth deviation threshold, the fifth deviation threshold is a negative number, and the sixth deviation threshold is a positive number.

The first and second thresholds, the first and second distance thresholds, and the first to sixth deviation thresholds may be preset, and the values and the setting manner of the thresholds are not limited.

In one implementation, when the coil of the electronic device and the coil of the charging stand are offset, the information about the charging condition of the electronic device is that the electronic device is slowly charged or the electronic device is not charged.

In one implementation, when the coil of the electronic device is aligned with the coil of the charging dock, the information about the charging status of the electronic device is that the electronic device is normally charged.

In one implementation, the stabilization current is 150 milliamps.

In a second aspect, an embodiment of the present application provides an electronic device. The electronic equipment comprises a wireless charging receiving end unit, a processing unit and a display unit. And the wireless charging receiving end unit is used for receiving the detection signal sent by the charging seat. And the processing unit is used for determining the signal intensity of the detection signal received by the wireless charging receiving unit and determining the first position relation between the coil of the electronic equipment and the coil of the charging seat according to the magnitude relation between the signal intensity of the detection signal and the first threshold value. The first position relationship comprises the alignment or deviation of the electronic device coil and the charging seat coil. And the display unit displays the first interface under the control of the processing unit. The first interface comprises information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment.

In one implementation, the wireless charging receiving end unit includes an analog-to-digital conversion unit and a control processing unit. And the analog-to-digital conversion unit is used for performing analog-to-digital conversion on the detection signal received by the wireless charging receiving end unit to obtain the rectified voltage of the detection signal. And the control processing unit is used for determining the signal intensity of the detection signal according to the rectified voltage of the detection signal.

In one implementation, a processing unit is configured to: and determining that the signal intensity of the detection signal is greater than or equal to a first threshold value, wherein the first position relation is the alignment of the electronic equipment coil and the charging seat coil. The electronic equipment coil and the charging seat coil are aligned in such a way that the distance between the center of the electronic equipment coil and the center of the charging seat coil is smaller than or equal to a first distance threshold value.

In one implementation, a processing unit is configured to: and determining that the signal intensity of the detection signal is smaller than a first threshold value, wherein the first position relation is the deviation of the coil of the electronic equipment and the coil of the charging seat. The electronic device coil and the charging seat coil are offset in such a way that the distance between the center of the electronic device coil and the center of the charging seat coil is greater than a second distance threshold.

In one implementation manner, the electronic device further includes a charging unit, and the processing unit controls the charging unit to enable the charging unit to output a stable current. And the wireless charging receiving terminal unit is used for receiving the power signal sent by the charging seat and detecting the transmitting frequency of the power signal. The power signal received by the wireless charging receiving end unit is a stable power signal. And the processing unit is used for determining a second position relation between the coil of the electronic equipment and the charging seat coil according to the magnitude relation between the transmitting frequency of the power signal received by the wireless charging receiving end unit and a second threshold value. The second position relationship comprises the alignment or deviation of the electronic device coil and the charging seat coil. And the display unit displays the second interface under the control of the processing unit. And the second interface comprises information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment.

In one implementation, an electronic device includes a frequency detection unit. And the frequency detection unit is used for detecting the transmitting frequency of the power signal received by the wireless charging receiving end unit.

In one implementation, a processing unit is configured to: and determining that the transmitting frequency of the power signal is greater than or equal to a second threshold value, wherein the second position relation is the alignment of the electronic equipment coil and the charging seat coil. The electronic equipment coil and the charging seat coil are aligned in such a way that the distance between the center of the electronic equipment coil and the center of the charging seat coil is smaller than or equal to a first distance threshold value.

In one implementation, a processing unit is configured to: and determining that the transmitting frequency of the power signal is less than a second threshold value, wherein the second position relation is the deviation of the electronic equipment coil and the charging seat coil. The electronic device coil and the charging seat coil are offset in such a way that the distance between the center of the electronic device coil and the center of the charging seat coil is greater than a second distance threshold.

In one implementation, the stabilization current is 150 milliamps.

In a third aspect, an embodiment of the present application provides an electronic device. The electronic equipment structurally comprises a display screen, a memory, one or more processors, a plurality of application programs and one or more programs; wherein the one or more programs are stored in the memory; the one or more processors, when executing the one or more programs, cause the electronic device to implement the method of the first aspect and any of its various implementations.

In a fourth aspect, embodiments of the present application provide a readable storage medium including instructions. When executed on an electronic device, cause the electronic device to perform the method of any of the first aspect and its various implementations described above.

In a fifth aspect, the present application provides a computer program product, which includes software code for executing the method described in any one of the first aspect and its various implementation manners.

In a sixth aspect, an embodiment of the present application provides a graphical user interface, configured to perform the method according to any one of the first aspect and various implementation manners thereof.

In a seventh aspect, an embodiment of the present application provides a wireless charging alignment detection method, applied to an electronic device, including: receiving a power signal sent by a charging dock, and detecting a transmission frequency of the power signal, where the power signal of the electronic device may be a stable power signal, for example, the power signal received by the electronic device is a stable power signal; determining a second positional relationship between the electronic device coil and the charging seat coil according to a magnitude relationship between the transmitting frequency of the power signal and a second threshold, wherein the second positional relationship comprises alignment or deviation of the electronic device coil and the charging seat coil; and displaying a second interface, wherein the second interface comprises information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment.

In one implementation, the determining a second positional relationship between the electronic device coil and the charging cradle coil according to a magnitude relationship between a transmission frequency of the power signal and a second threshold includes: when the transmitting frequency of the power signal is greater than or equal to the second threshold, determining that the second positional relationship is the alignment of the electronic device coil and the charging seat coil, and the alignment of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is less than or equal to the first distance threshold.

In one implementation, the determining a second positional relationship between the electronic device coil and the charging cradle coil according to a magnitude relationship between a transmission frequency of the power signal and a second threshold includes: when the transmitting frequency of the power signal is smaller than the second threshold, determining that the second positional relationship is that the electronic device coil and the charging seat coil are offset, and the offset of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is larger than a second distance threshold.

When the electronic device coil and the charging seat coil are deviated, the information of the charging condition of the electronic device is that the electronic device is slowly charged or the electronic device is not charged. When the electronic equipment coil is aligned with the charging seat coil, the information of the charging condition of the electronic equipment is that the electronic equipment is normally charged.

In an eighth aspect, an embodiment of the present application provides an electronic device, which includes a wireless charging receiving end unit, a processing unit, and a display unit; the wireless charging receiving terminal unit is configured to receive a power signal sent by the charging stand and detect a transmitting frequency of the power signal, where the power signal of the wireless charging receiving terminal unit is a stable power signal, for example, the power signal received by the wireless charging receiving terminal unit is a stable power signal; the processing unit is configured to determine a second positional relationship between the electronic device coil and the charging seat coil according to a magnitude relationship between a transmission frequency of the power signal received by the wireless charging receiving end unit and a second threshold, where the second positional relationship includes alignment or deviation between the electronic device coil and the charging seat coil; and the display unit displays a second interface under the control of the processing unit, wherein the second interface comprises information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment.

In one implementation, the processing unit is configured to: and determining that the transmitting frequency of the power signal is greater than or equal to the second threshold, wherein the second positional relationship is that the electronic equipment coil is aligned with the charging seat coil, and the alignment of the electronic equipment coil and the charging seat coil is that the distance between the center of the electronic equipment coil and the center of the charging seat coil is less than or equal to a first distance threshold.

In one implementation, the processing unit is configured to: and determining that the transmitting frequency of the power signal is smaller than the second threshold, wherein the second positional relationship is that the electronic equipment coil and the charging seat coil are offset, and the offset of the electronic equipment coil and the charging seat coil is that the distance between the center of the electronic equipment coil and the center of the charging seat coil is larger than the second distance threshold.

In one implementation, when the coil of the electronic device and the coil of the charging dock are offset, the information about the charging condition of the electronic device is that the electronic device is slowly charged or the electronic device is not charged. When the electronic equipment coil is aligned with the charging seat coil, the information of the charging condition of the electronic equipment is that the electronic equipment is normally charged.

In one implementation, the electronic device includes a frequency detection unit; the frequency detection unit is used for detecting the transmitting frequency of the power signal received by the wireless charging receiving end unit.

In one implementation manner, the electronic device further includes a charging unit, and the processing unit controls the charging unit to enable the charging unit to output a stable current. Wherein the steady current may be 150 milliamps.

It will be appreciated that a stable power signal does not necessarily require the power signal to be strictly constant and may allow for certain errors, which may vary from product to product.

In the above implementation manner, the electronic device may be a mobile phone, the display unit may be a touch display screen, the processing unit may be an application processor, and the wireless charging receiving unit may be a wireless charging receiving chip.

Drawings

Fig. 1 is a first schematic view of wireless charging according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram of a mobile phone structure provided in the prior art;

fig. 3 is a first schematic structural diagram of an electronic device according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 5 is a first flowchart of a method provided by an embodiment of the present application;

fig. 6(a) is a schematic view illustrating a wireless charging according to an embodiment of the present application;

fig. 6(b) is a schematic diagram of wireless charging provided in the embodiment of the present application;

FIG. 7 is a schematic diagram of signal strength variation provided by an embodiment of the present application;

fig. 8(a) is a first schematic view of a display interface provided in an embodiment of the present application;

fig. 8(b) is a schematic view of a display interface provided in the embodiment of the present application;

FIG. 9 is a flowchart of a method provided in an embodiment of the present application;

FIG. 10 is a schematic diagram of a variation of a transmitting frequency provided by an embodiment of the present application;

fig. 11 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.

Description of reference numerals:

101-a mobile phone;

102-a cradle;

103-mobile phone coil;

104-a charging stand coil;

105-center of handset coil;

106-center of the charging stand coil;

107-mobile phone;

108-screen.

Detailed Description

The embodiment of the application can be used for electronic equipment, and the electronic equipment can be a notebook computer, a smart phone, Virtual Reality (VR) equipment, Augmented Reality (AR) equipment, vehicle-mounted equipment, intelligent wearable equipment or other equipment. The electronic device may be provided with at least a display screen, an input device, and a processor, for example, as shown in fig. 3, the electronic device 200 includes a processor 201, a memory 202, a camera 203, a Radio Frequency (RF) circuit 204, an audio circuit 205, a speaker 206, a microphone 207, an input device 208, another input device 209, a display screen 210, a touch panel 211, a display panel 212, an output device 213, a power source 214, a sensor 215, and other components in the electronic device 200. The display screen 210 at least includes a touch panel 211 as an input device and a display panel 212 as an output device. It should be noted that the electronic device structure shown in fig. 3 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those shown in the drawings, or combine some components, or split some components, or arrange different components, and is not limited herein.

The following describes each component of the electronic device 200 in detail with reference to fig. 3:

the RF circuitry 204 may be used for receiving and transmitting signals during a message or call, and may also communicate with networks and other devices via wireless communications. The wireless communication may use a communication standard or protocol. Typically, the RF circuitry includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.

The memory 202 may be used to store software programs. The processor 201 may execute various functional applications of the electronic device 200 and data processing by executing software programs stored in the memory 202. The memory 202 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (e.g., a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (e.g., audio data, video data, etc.) created according to the use of the electronic device 200, and the like. Further, the memory 202 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

In an exemplary implementation manner of the embodiment of the present application, the content stored in the memory 202 is not limited, for example, the memory 202 may be configured to store at least one of parameters such as a threshold for determining whether the coil of the mobile phone is aligned with the coil of the charging dock.

Other input devices 209 may be used to receive input information and generate key signal inputs relating to user settings and function control of the electronic device 200. Other input devices 209 may also include sensors 215 built into the electronic device 200, such as gravity sensors, acceleration sensors, etc., and the electronic device 200 may also use parameters detected by the sensors 215 as input data.

In an exemplary implementation manner of the embodiment of the present application, the sensor 215 may be an electromagnetic sensor, and the electromagnetic sensor may be configured to detect a change in magnetic flux caused by electromagnetic induction generated between the coil of the mobile phone and the coil of the charging dock.

The display screen 210 may be used to display information input by or provided to the user and various menus of the electronic device 200, and may also accept user input. The display screen 210 may include a touch panel 211 and a display panel 212. The touch panel 211, also called a touch screen, a touch sensitive screen, etc., may collect contact or non-contact operations of a user thereon or nearby, and drive a corresponding connection device according to a preset program; the Display panel 212 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. In general, the touch panel 211 can cover the display panel 212, a user can operate on or near the touch panel 211 covered on the display panel 212 according to the content displayed on the display panel 212 (the display content includes, but is not limited to, a soft keyboard, a virtual mouse, virtual keys, icons, etc.), the touch panel 211 detects the operation on or near the touch panel 211, and transmits the operation to the processor 201 to determine a user input, and then the processor 201 provides a corresponding visual output on the display panel 212 according to the user input. Although in fig. 3, the touch panel 211 and the display panel 212 are implemented as two separate components to implement the input and output functions of the electronic device 200, in some embodiments, the touch panel 211 and the display panel 212 may be integrated to implement the input and output functions of the electronic device 200.

The speaker 206 and microphone 207 may provide an audio interface between a user and the electronic device 200. The audio circuit 205 may transmit the converted signal of the received audio data to the speaker 206, and the converted signal is converted into a sound signal by the speaker 206 and output; alternatively, the microphone 207 may convert collected sound signals into signals that are received by the audio circuit 205 and converted into audio data that is output to the RF circuit 204 for transmission to a device such as another electronic device, or output the audio data to the memory 202 for further processing by the processor 201 in conjunction with the content stored in the memory 102. In addition, the camera 203 may capture image frames in real time and transmit them to the processor 201 for processing, and store the processed results in the memory 202 and/or present the processed results to the user via the display panel 212.

The processor 201 is a control center of the electronic device 200, connects various parts of the entire electronic device 200 using various interfaces and lines, and performs various functions of the electronic device 200 and processes data by running or executing software programs and/or modules stored in the memory 202 and calling data stored in the memory 202, thereby performing overall monitoring of the electronic device 200. It is to be noted that the processor 201 may include one or more processing units; the processor 201 may also integrate an application processor, which mainly handles operating systems, User Interfaces (UIs), application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 201.

In this embodiment, the electronic device 200 may further include a Wireless Power Receiver IC (Wireless Power Receiver IC)216 and a charging IC (Charge IC) 217. The wireless charging receiving-end chip 216 can be configured to receive a probe signal and a power signal sent by the charging dock. The wireless charging receiving end chip 216 may determine a rectified voltage obtained by rectifying the detection signal, and determine the signal strength of the detection signal according to the rectified voltage. When the wireless charging receiving-end chip 216 receives the stable power signal, the wireless charging receiving-end chip 216 may further detect a transmission frequency of the power signal. Note that, the charging cradle may transmit the probe signal, the Power signal, and the like through a Wireless Power Transmitter (Wireless Power Transmitter) of the charging cradle.

The processor 201 can determine the position relationship between the coil of the electronic device and the coil of the charging seat according to the signal intensity of the detection signal or the transmission frequency of the power signal. The position relationship between the electronic device coil and the charging seat coil may include alignment or deviation of the electronic device coil and the charging seat coil.

The detection signal is periodically transmitted by the Wireless charging transmitting terminal according to a certain time interval, and is used for detecting whether a signal of a Wireless charging receiving terminal (Wireless Power Receiver) exists nearby or not, or a signal which is transmitted non-periodically according to a certain rule and is used for detecting whether a signal of a Wireless charging receiving terminal exists nearby. In the embodiment of the present application, the detection signal may be a PING signal.

It should be noted that the PING signal is a signal transmitted once every 500 milliseconds (ms) by the transmitting end in the Qi standard (the Qi standard is a "Wireless charging" standard proposed by Wireless Power Consortium (WPC), which is the first global organization for promoting Wireless charging technology), and the duration of sending the PING signal by the transmitting end is usually 90 ms. The PING signal is typically transmitted at a frequency of between 100 kilohertz (KHz) and 205 KHz. After the receiving end receives the PING signal, the receiving end can respond to the PING signal and return a response signal to the sending end to confirm that the connection between the receiving end and the sending end is established, namely, the handshake between the receiving end and the sending end is completed. After the transmitting end receives the response signal, the transmitting end may stop transmitting the PING signal, so that the receiving end may implement functions such as charging by transmitting the power signal. The transmitting end may be a charging seat, and the receiving end may be an electronic device, such as a mobile phone.

In an implementation manner of the embodiment of the present application, the output voltage of the wireless charging receiving end chip 216 is output to the charging chip 217 through a Low drop out Regulator (LDO), so that the charging chip 217 supplies power to the electronic device 200, for example, supplies power to a system of the electronic device 200, supplies power to a battery of the electronic device 200, and the like.

The electronic device 200 may further include a power source 214 (e.g., a battery) for supplying power to each component, and in this embodiment, the power source 214 may be logically connected to the processor 201 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.

In addition, there are also components not shown in fig. 3, for example, the electronic device 200 may further include a bluetooth module and the like, which are not described herein again.

The following explains the technical solution provided in the embodiment of the present application by taking the electronic device 200 as a mobile phone as an example. The mobile phone can be a full-screen mobile phone, or a mobile phone with a screen and physical keys independent of the screen arranged on the front side of the mobile phone. In the embodiment of the present application, the form, function, and the like of the mobile phone are not limited.

Fig. 4 is a schematic diagram of an exemplary structure of a mobile phone portion according to an embodiment of the present disclosure. The wireless charging receiving-end chip 216 includes a control processor 301 and an Analog-to-Digital Converter (ADC) 303. When the mobile phone is placed on the charging dock, the analog-to-digital converter 303 may be configured to send a rectified voltage obtained by performing analog-to-digital conversion on a detection signal, such as a PING signal, received by the wireless charging receiving end chip 216 to the control processor 301 as an input parameter, or the control processor 301 reads the rectified voltage from the analog-to-digital converter 303. The control processor 301 processes the rectified voltage to obtain the Signal Strength (Signal Strength, SS) of the probe Signal. After the processor 201 reads the signal strength of the detection signal from the control processor 301 or the control processor 301 reports the signal strength of the detection signal to the processor 201, the processor 201 may determine the first positional relationship between the coil of the mobile phone and the charging-stand coil according to the magnitude relationship between the signal strength of the detection signal and the first threshold, that is, determine the deviation or alignment between the coil of the mobile phone and the charging-stand coil. It should be noted that, the reading of the signal strength of the detection signal by the processor 201 may be implemented by the processor 201 reading the signal strength of the detection signal from the register 302 of the control processor 301.

The alignment of the mobile phone coil and the charging seat coil means that the distance between the center of the mobile phone coil and the center of the charging seat coil is smaller than or equal to a first distance threshold value; the deviation of the mobile phone coil and the charging seat coil means that the distance between the center of the mobile phone coil and the center of the charging seat coil is larger than a second distance threshold. The first distance threshold may be less than or equal to the second distance threshold.

In one implementation, the distance between the center of the mobile phone coil and the center of the charging seat coil may be a linear distance between the center of the mobile phone coil and the center of the charging seat coil, that is, the center of the mobile phone coil is taken as one end point of the line segment, the center of the charging seat coil is taken as the other end point of the line segment, and the linear distance between the two end points is a linear distance. For example, as shown in fig. 6(a), if the linear distance between the center 105 of the coil 103 of the mobile phone and the center 106 of the charging-stand coil 104 is smaller than the first distance threshold, the coil of the mobile phone is aligned with the charging-stand coil. For another example, as shown in fig. 6(b), if the linear distance between the center 105 of the coil 103 of the mobile phone and the center 106 of the charging-stand coil 104 is greater than the second distance threshold, the coil of the mobile phone and the charging-stand coil are offset.

In another implementation manner, the distance between the center of the mobile phone coil and the center of the charging seat coil may also be a horizontal distance between the center of the mobile phone coil and the center of the charging seat coil, that is, after the mobile phone coil is projected onto the plane where the charging seat coil is located, a linear distance between the projected center of the mobile phone coil and the center of the charging seat coil, or after the charging seat coil is projected onto the plane where the mobile phone coil is located, a linear distance between the projected center of the mobile phone coil and the projected center of the charging seat coil.

In an implementation manner of the embodiment of the present application, the manner of distinguishing the position relationship between the coil of the mobile phone and the coil of the charging dock may further be:

when the absolute value of the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is smaller than or equal to a first deviation threshold value, the mobile phone coil and the charging seat coil are aligned; and when the absolute value of the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is larger than a second deviation threshold value, the mobile phone coil and the charging seat coil are deviated. That is, the positional relationship of the center of the coil of the mobile phone with respect to the center of the coil of the charging stand and the magnitude of the deviation are determined with the center of the coil of the charging stand as a reference. Wherein the first deviation threshold is less than or equal to the second deviation threshold.

The deviation distance between the center of the mobile phone coil and the center of the charging seat coil refers to the distance between the projection of the center of the mobile phone coil (namely, the center of the mobile phone coil in the projection is projected to the plane where the charging seat coil is located) relative to the center of the charging seat coil by taking the center of the charging seat coil as a reference; or the distance between the center of the mobile phone coil and the center of the charging seat coil in the three-dimensional space is taken as the reference.

Or when the absolute value of the deviation distance between the center of the charging seat coil and the center of the mobile phone coil is smaller than or equal to the first deviation threshold value, the mobile phone coil and the charging seat coil are aligned; and when the absolute value of the deviation distance between the center of the charging seat coil and the center of the mobile phone coil is larger than a second deviation threshold value, the mobile phone coil and the charging seat coil are deviated. That is, the positional relationship of the center of the charging-stand coil with respect to the center of the mobile phone coil and the magnitude of the deviation are determined with the center of the mobile phone coil as a reference. Wherein the first deviation threshold may be less than or equal to the second deviation threshold.

The deviation distance between the center of the charging seat coil and the center of the mobile phone coil refers to the distance between the projection of the center of the charging seat coil (namely, after the charging seat coil is projected to the plane where the mobile phone coil is located, the center of the charging seat coil in the projection) relative to the center of the mobile phone coil by taking the center of the mobile phone coil as a reference; or the distance between the center of the charging seat coil and the center of the mobile phone coil in the three-dimensional space is taken as the reference.

The offset distance between the center of the mobile phone coil and the center of the charging seat coil and the offset distance between the center of the charging seat coil and the center of the mobile phone coil can be defined as parameters having positive and negative directions, that is, the values of the two offset distances can be positive, negative or 0.

For example, the center of the coil of the mobile phone may be defined to be shifted in a positive direction with respect to the center of the coil of the charging stand. When the center of the mobile phone coil is positioned on the left side of the center of the charging seat coil, the value of the deviation distance is an integer; when the center of the mobile phone coil is positioned on the right side of the center of the charging seat coil, the value of the deviation distance is a negative number; when the center of the mobile phone coil is opposite to the center of the charging seat coil, the value of the deviation distance is 0.

when the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is greater than or equal to a third deviation threshold value and the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is less than or equal to a fourth deviation threshold value, the mobile phone coil and the charging seat coil are aligned; and when the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is smaller than a third deviation threshold value or the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is larger than a fourth deviation threshold value, the mobile phone coil and the charging seat coil are deviated. That is, the positional relationship of the center of the coil of the mobile phone with respect to the center of the coil of the charging stand and the magnitude of the deviation are determined with the center of the coil of the charging stand as a reference. And the third deviation threshold is smaller than the fourth deviation threshold, the third deviation threshold is a negative number, and the fourth deviation threshold is a positive number.

For example, the third deviation threshold may be set to minus 6 millimeters (mm), and the fourth deviation threshold may be set to 8 mm. It should be noted that minus 6 millimeters is an exemplary value of the third deviation threshold, and 8 millimeters is an exemplary value of the fourth deviation threshold, which is not limited in the embodiment of the present application, the third deviation threshold may also be set to minus 5 millimeters, minus 7 millimeters, and the like, and the fourth deviation threshold may also be set to 7 millimeters, 9 millimeters, and the like, and is not limited herein.

When the deviation distance between the center of the charging seat coil and the center of the mobile phone coil is greater than or equal to a fifth deviation threshold value and the deviation distance between the center of the charging seat coil and the center of the mobile phone coil is less than or equal to a sixth deviation threshold value, the mobile phone coil and the charging seat coil are aligned; and when the deviation distance between the center of the charging seat coil and the center of the mobile phone coil is smaller than a fifth deviation threshold value or the deviation distance between the center of the charging seat coil and the center of the mobile phone coil is larger than a sixth deviation threshold value, the mobile phone coil and the charging seat coil are deviated. That is, the positional relationship of the center of the charging-stand coil with respect to the center of the mobile phone coil and the magnitude of the deviation are determined with the center of the mobile phone coil as a reference. The fifth deviation threshold is smaller than the sixth deviation threshold, the fifth deviation threshold is a negative number, and the sixth deviation threshold is a positive number.

For example, the fifth deviation threshold may be set to minus 8 mm, and the sixth deviation threshold may be set to 6 mm. It should be noted that minus 8 mm is an exemplary value of the fifth deviation threshold, and 6 mm is an exemplary value of the sixth deviation threshold, which is not limited in the embodiment of the present application, the fifth deviation threshold may also be set to minus 9 mm, minus 7 mm, and the like, and the sixth deviation threshold may also be set to 5 mm, 7 mm, and the like, and is not limited herein.

It should be noted that the negative value of the third deviation threshold or the fifth deviation threshold is due to the relative deviation direction between the center of the charging-stand coil and the center of the mobile phone coil. The third deviation threshold and the fourth deviation threshold are set to ensure that the distance by which the center of the mobile phone coil deviates from the center of the charging seat coil does not exceed a certain range, and the mobile phone coil and the charging seat coil can be aligned. Similarly, the fifth deviation threshold and the sixth deviation threshold are set to ensure that the distance by which the center of the charging-stand coil deviates from the center of the mobile phone coil does not exceed a certain range, and the charging-stand coil and the mobile phone coil can be aligned.

In addition, the wireless charging receiving end chip 216 may further include a frequency meter 304. The frequency meter 304 can be configured to detect a transmission frequency of a power signal transmitted by a wireless charging transmitting terminal and transmit the transmission frequency to the processor 201 as an input parameter, or the processor 201 reads the transmission frequency from the frequency meter 304, or the wireless charging receiving terminal chip 216 stores the transmission frequency of the power signal detected by the frequency meter 304 in the register 302 for the processor 201 to read. The processor 201 may then determine a second positional relationship between the coil of the mobile phone and the charging-stand coil according to a magnitude relationship between the transmission frequency of the power signal and a second threshold, that is, determine the deviation or alignment between the coil of the mobile phone and the charging-stand coil.

The register 302 may be located in the control processor 301, and the register 302 may be used to store the rectified voltage obtained by signal conversion (converting an analog signal into a digital signal) by the analog-to-digital converter 303 and may also be used to store the transmission frequency of the power signal detected by the frequency meter 304. When the processor 201 needs to determine the position relationship between the coil of the mobile phone and the coil of the charging stand and the like according to the signal strength of the detection signal or the transmission frequency of the power signal, the control processor 301 can read the parameters from the register 302 and report the parameters to the processor 201; alternatively, the processor 201 may read these parameters directly from the register 302. In the embodiment of the present application, the content and the like stored in the register 302 are not limited. It should be noted that, in an implementation manner of the embodiment of the present application, the register 302 may also be separately disposed in the wireless charging receiving side chip 216, independent of the control processor 301, and the manner of disposing the register 302 is not limited herein.

It should be noted that, after the processor 201 determines the position relationship between the coil of the mobile phone and the coil of the charging seat, the processor 201 may determine that the coil of the mobile phone and the coil of the charging seat are offset or aligned, and the processor 201 controls the output device 213 to prompt the user by means of the display panel 212. In the embodiment of the present application, the manner of prompting the user by the mobile phone includes, but is not limited to, at least one of a charging animation, a charging icon, and information prompting the user to adjust the placement position of the mobile phone, which are presented to the user through the screen by the mobile phone. The charging animation can be animation in which the mobile phone coil and the charging seat coil are in a deviation position and thus cannot be charged successfully or the charging is slow.

The following describes a scheme for detecting a position relationship between an electronic device coil and a charging seat coil according to an embodiment of the present application with reference to a specific example. As shown in fig. 5, a schematic flowchart of an exemplary alignment detection method for wireless charging according to an embodiment of the present application is provided, and the method may be applied to the electronic device 200, and includes S401 to S403.

S401, receiving the detection signal sent by the charging seat, and determining the signal intensity of the detection signal.

In one implementation, the probing signal may be a PING signal. In the examples of the present application. The wireless charging transmitting terminal chip, namely the transmitting terminal, of the charging stand can transmit a PING signal as a detection signal at a transmitting frequency of 100KHz to 205KHz so as to detect a wireless charging receiving terminal (namely the wireless charging receiving terminal chip) and enable the wireless charging receiving terminal to be electrified to handshake with the wireless charging transmitting terminal. When the wireless charging receiving end chip of the electronic device serves as a receiving end, after the detection signal is received, the detection signal can be converted into a rectified voltage through the analog-to-digital converter, and then the rectified voltage is processed by the control processor, for example, the signal intensity of the detection signal can be obtained by the control processor through a calculation mode.

The signal intensity of the detection signal is in the Qi standard, which means that the wireless charging receiving end chip receives the PING signal, rectifies the PING signal, sends the obtained rectified voltage to the control processor, and the control processor obtains the signal intensity according to the direct current voltage. The manner of converting the rectified voltage into the signal strength in the control processor can refer to the following formula:

SS＝U/Umax*256

the U is a voltage obtained by converting alternating current provided by a detection signal received by the wireless charging receiving end chip into direct current, namely a rectified voltage Vrect, and the Vrect is output to the charging chip through a low-voltage-drop linear voltage stabilizer; umax is the maximum voltage that can be theoretically reached by the probe signal, and in the embodiment of the present application, Umax may be 10 volts (V). It should be noted that Umax may take other values, and this embodiment is described by taking Umax as an example of 10 volts.

For example, when the control processor determines that the value of the signal intensity is 136, it can be obtained according to the above formula, and Vrect obtained after the wireless charging receiving end chip is converted between alternating current and direct current is 5.3 v; when the control processor determines that the value of the signal strength is 88, the Vrect obtained by the wireless charging receiving end chip after the conversion between the alternating current and the direct current is 3.4 v can be obtained according to the formula.

In this embodiment, the value of the signal strength may be related to a PING signal sent by the wireless charging transmitting terminal, for example, related to the transmitting power of the PING signal, and may also be related to the inductance value of a coil (i.e., an electronic device coil, such as a mobile phone coil) of the wireless charging receiving terminal. For example, under the condition that the position relationship between the wireless charging seat and the electronic device is not changed, the larger the transmitting power of the PING signal sent by the wireless charging transmitting terminal is, the larger the value of the signal strength is; conversely, the smaller the transmission power of the PING signal sent by the wireless charging transmitting terminal is, the smaller the value of the signal strength is. For another example, when the inductance value of the coil of the wireless charging receiving end is large, the value of the signal strength is also large; conversely, when the inductance value of the coil of the wireless charging receiving end is smaller, the value of the signal intensity is smaller. It should be noted that the magnitude of the signal strength may also be related to other parameters, for example, the inductance value of the coil of the wireless charging transmitter (i.e., the charging seat coil), and is not limited herein.

S402, determining a first position relation between the coil of the electronic equipment and the coil of the charging seat according to the magnitude relation between the signal intensity of the detection signal and the first threshold value.

The first threshold is a preset threshold for measuring the signal intensity according to empirical values such as experimental data. In an implementation manner of the embodiment of the present application, a value of the first threshold may be 105. It should be noted that the first threshold may also take other values, and in this embodiment, a value taking 105 as the first threshold is taken as an example for explanation.

For example, when the signal intensity of the detection signal is greater than or equal to the first threshold, it is determined that the first position relationship is the alignment between the electronic device coil and the charging seat coil; when the signal intensity of the detection signal is smaller than a first threshold value, the first position relation is determined to be the deviation of the coil of the electronic equipment and the coil of the charging seat.

Taking a mobile phone as an example, as shown in fig. 7, it is a schematic diagram of value change of the signal strength determined by the mobile phone when the center of the mobile phone coil and the center of the charging seat coil are in different position relationships, that is, when the horizontal deviation distance between the center of the mobile phone coil and the center of the charging seat coil takes different values.

In the embodiment of the present application, the positive direction of deviation may be defined in advance. For example, when the center of the mobile phone coil deviates to the left side with reference to the position of the center of the charging seat coil, for example, after the positions of the mobile phone coil and the charging seat coil are fixedly observed, the deviation of the center of the mobile phone coil to the left side may include a deviation in a right left direction, a left front direction, or a left rear direction, and at this time, the deviation distance may be recorded as a positive number. Similarly, when the center of the coil of the mobile phone is shifted to the right side with reference to the position of the center of the coil of the charging stand, the shift distance may be written as a negative number. The definition of the positive direction of deviation includes, but is not limited to, the above-mentioned cases, and in the embodiment of the present application, the judgment rule for the positive and negative values of the deviation distance is not limited.

As can be seen from fig. 7, in the embodiment of the present application, when the coil of the mobile phone is aligned to the coil of the charging dock, the value of the signal strength is large, and the maximum value of the signal strength can reach 136; when the mobile phone coil and the charging seat coil are in offset and the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is large, the value of the signal intensity is small, and the minimum value of the signal intensity shown in fig. 7 can reach 88.

Taking fig. 7 as an example, the size of the first threshold may be set to 105, that is, when the value of the signal strength is greater than or equal to 105, the mobile phone coil and the charging seat coil are aligned; and when the value of the signal intensity is less than 105, the mobile phone coil and the charging seat coil are deviated.

It should be noted that the first threshold is used for determining whether the distance corresponding to the current value of the signal strength can ensure that the coil of the mobile phone is aligned with the coil of the charging seat according to the magnitude relationship between the signal strength and the first threshold, so as to help the mobile phone to determine the current charging condition of the mobile phone, and further determine what content needs to be presented to the user, so as to inform the user of the current charging condition of the mobile phone. The value of the first threshold is not limited to the above-mentioned examples, and may be determined according to the performance of the mobile phone or the charging stand, and/or the charging condition that the mobile phone needs to be ensured at present, and the setting mode, the value, and the like of the intensity threshold are not limited herein.

It should be noted that, in the charging process of the electronic device, when the power of the electronic device is fixed, and the coil of the electronic device is aligned with the coil of the charging seat, the smaller the transmitting power required to be provided by the charging seat is, the larger the transmitting frequency is; under the condition that the coil of the electronic equipment and the coil of the charging seat are deviated, the requirement that the requirement of the electronic equipment can be met when the transmitting power provided by the charging seat is larger and the transmitting frequency is smaller is required.

Therefore, in the wireless charging process, in order to ensure the charging efficiency of the electronic device, it is necessary to ensure that the coil of the electronic device is aligned with the coil of the charging dock as much as possible. Therefore, in the embodiment of the present application, once the electronic device detects that the electronic device coil and the charging-stand coil are offset, the electronic device may present the first interface in a display manner to prompt that the electronic device coil and the charging-stand coil are offset currently. For example, the user is informed that the current position of the electronic device is not favorable for charging, and the user is provided with information that the position of the electronic device needs to be adjusted selectively. Or, when the electronic device detects that the electronic device coil is aligned with the charging seat coil, the electronic device may present a first interface in a display manner to prompt that the electronic device coil is aligned with the charging seat coil at present. For example, informing the user of the current position of the electronic device can ensure that the charging effect of the electronic device is good, and selectively prompting the user not to move the position of the electronic device.

And S403, displaying the first interface.

The first interface comprises information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment.

In the embodiment of the application, the electronic device charging condition comprises electronic device charging and electronic device non-charging. The electronic device charging includes, but is not limited to, slow charging of the electronic device and normal charging of the electronic device. The time for completing charging of the electronic equipment when the electronic equipment is slowly charged is longer than the time for completing charging of the electronic equipment when the electronic equipment is normally charged. That is, for an electronic device, when the amount of electricity that needs to be charged is the same, the charging time required for the electronic device that is slowly charged is longer than that for the electronic device that is normally charged.

It should be noted that, when the coil of the electronic device and the coil of the charging seat are offset, the charging condition of the electronic device is that the electronic device is slowly charged or the electronic device is not charged; when the electronic device coil is aligned with the charging seat coil, the electronic device is normally charged under the charging condition.

Taking a mobile phone as an example, after the mobile phone is placed on the charging seat, when the mobile phone coil is aligned with the charging seat coil, the mobile phone can present a first interface through the screen. As shown in fig. 8(a), taking a full-screen mobile phone as an example, the mobile phone 107 presents a first interface through the screen 108. In the first interface, the mobile phone 107 selectively displays at least one of the positional relationship between the mobile phone coil and the charging-stand coil, the charging state of the mobile phone, an animation for reflecting the charging progress of the mobile phone, and a content for prompting the user for an operation.

The mobile phone can display the character of 'positioning the mobile phone coil and the charging seat coil' to express the position relation between the mobile phone coil and the charging seat coil; displaying a word of 'normal charging of the mobile phone' to indicate a charging state of the mobile phone; the word of 'do not move the mobile phone' is displayed to prompt the user that the mobile phone is not required to be placed on the charging seat in the charging process of the mobile phone, so that the continuity of the charging process of the mobile phone is ensured.

Taking a mobile phone as an example, after the mobile phone is placed on the charging seat, when the mobile phone coil and the charging seat coil are offset, the mobile phone can present a first interface through the screen. As shown in fig. 8(b), taking a full-screen mobile phone as an example, the mobile phone 107 presents a first interface through the screen 108.

The mobile phone can display the character of 'the mobile phone coil and the charging seat coil are deviated' to represent the position relation between the mobile phone coil and the charging seat coil; displaying a word of 'slow charging of the mobile phone' to represent a charging state of the mobile phone; the character of 'please move the placing position of the mobile phone to align the mobile phone coil with the charging seat coil' is displayed to prompt the user that the user adjusts the placing position of the mobile phone on the charging seat in the charging process, so as to ensure better charging of the mobile phone, save power consumption and time consumed in the charging process, and the like. When the mobile phone coil and the charging seat coil are deviated, and the horizontal deviation distance between the centers of the two coils is larger, the mobile phone cannot be charged successfully, and then the mobile phone can display the character of 'no charging of the mobile phone' to prompt a user that the mobile phone cannot be charged successfully. It should be noted that, when the horizontal deviation distance is too large, the mobile phone cannot detect the position relationship between the two coils, and therefore, the mobile phone cannot display the above contents, that is, the mobile phone normally displays the interface currently visited by the user.

The first interface shown in fig. 8(a) and 8(b) is an exemplary presentation manner provided in the embodiment of the present application, and is not intended to limit the embodiment of the present application. For example, the mobile phone may also display a charging animation in a status bar displaying contents such as time, network connection condition, etc., to prompt the charging condition of the current mobile phone, etc.

Compared with the prior art, the counterpoint detection mode that two metal sensors are additionally added in the mobile phone is adopted, the embodiment of the application can determine the position relationship between the mobile phone coil and the charging seat coil according to the signal intensity of detection signals such as PING signals sent by the charging seat to the mobile phone when the mobile phone is close to or touches the charging seat on the basis of the original mobile phone structure, namely whether the mobile phone coil and the charging seat coil are in deviation or counterpoint. In addition, in the sending process of the detection signal, the mobile phone can obtain the value of the signal strength, so that the mobile phone can be ensured to quickly present the first interface, and the prompting effect is achieved.

Considering that when the mobile phone coil and the charging seat coil are in an offset position, the content presented by the first interface can prompt the user to adjust the placing position of the mobile phone. After the user adjusts the placement position of the mobile phone, the mobile phone coil has a certain probability of being in alignment with the charging seat coil or still being in deviation, and then the mobile phone can present a second interface at the moment to prompt the charging state of the mobile phone when the mobile phone coil and the charging seat coil are in alignment, so as to prompt the user not to move the placement position of the mobile phone in the charging process of the mobile phone, so as to ensure the continuity of the charging process; or when the mobile phone coil and the charging seat coil are still in deviation, the charging state of the mobile phone is prompted, so that the user can adjust the placement position of the mobile phone again.

In this embodiment of the application, the value of signal strength can realize the initial alignment detection when the mobile phone contacts or approaches the charging seat, but after the wireless charging receiving terminal and the wireless charging transmitting terminal handshake successfully, the wireless charging transmitting terminal can stop sending the detection signals such as PING signals, and at this moment, the wireless charging transmitting terminal can send power signals. For the mobile phone serving as the wireless charging receiving terminal, the signal strength of the power signal can still be determined continuously, and the voltage value obtained next cannot be used as the rectified voltage for calculating the signal strength due to the change of the transmitting power, so that the rectified voltage can be used for the alignment detection process. It should be noted that, after the mobile phone is in contact with or close to the charging dock, the mobile phone may store the obtained initial voltage value in the register, and for the subsequently changed voltage value, although the voltage value may be obtained through analog-to-digital conversion, the control processor may not further convert the obtained voltage value, and may not obtain a new signal strength, and may not refresh the signal strength stored in the register. That means that the signal strength stored in the register does not change during the same charging process. The same charging process refers to a process that the mobile phone is not powered off after the handshake between the mobile phone and the charging seat is successful, that is, the mobile phone keeps charging continuously. Therefore, even if the user adjusts the placement position of the mobile phone, the value of the signal intensity recorded by the mobile phone does not change.

Therefore, in order to implement the secondary alignment detection between the mobile phone and the charging dock, in the embodiment of the present application, the alignment detection may be implemented by using an Operating Frequency (Fop) of a power signal sent by the wireless charging transmitting terminal. Wherein the operating frequency may be considered as the transmission frequency of the power signal.

As shown in fig. 9, a schematic flow chart of another exemplary alignment detection method for wireless charging according to the embodiment of the present application is provided, and the method includes S404 to S406.

S404, receiving the power signal sent by the charging seat, and detecting the transmitting frequency of the power signal.

When the transmission frequency of the power signal is detected, the power signal of the electronic device serving as a receiving end is a stable power signal. For example, the power signal received by the electronic device is a steady power signal.

It should be noted that the detection signal and the power signal are different types of signals. In an implementation manner of the embodiment of the application, the detection signal is a signal that is sent according to a certain time rule when the charging seat detects, and when the electronic device touches or is close to the charging seat, the electronic device can receive the detection signal sent by the charging seat. After the charging base completes the detection process, the charging base sends a power signal to the electronic device, which means that the power signal can be a signal sent by the charging base to the electronic device continuously to charge the electronic device without power failure of the electronic device. In one implementation, the sending terminals of the detection signal and the power signal are both wireless charging sending terminals of the charging dock.

The electronic device does not power down, which means that the electronic device and the charging seat are still in a touch or close state. In the process of adjusting the placement position of the electronic device, the electronic device is close to or touches the charging seat again after being far away from the charging seat, and the situation that the electronic device is powered on again after being powered off can be regarded as the situation that the electronic device is powered on again after being powered off.

In an implementation manner of the embodiment of the present application, the frequency meter may detect the transmission frequency of the power signal when the output current of the wireless charging receiving end chip is 100 milliamperes (mA) to 300 mA, for example, when the output current of the wireless charging receiving end chip is 150 mA. The output current is a stable current which is output by the processor control charging chip. That is, when the output current of the wireless charging receiving end chip is 150 ma, the wireless charging receiving end chip of the electronic device can receive a stable power signal. It should be noted that the output current is 150 ma, which is an exemplary implementation manner, and the output current may also take other values, and the output current is described as 150 ma.

In the embodiment of the application, when the output current of the wireless charging receiving end chip is too large, the value of the voltage value Vrect is reduced, so that the electronic equipment cannot be charged successfully due to too small voltage value; when the output current of the wireless charging receiving end chip is too small, the charging chip does not have a lower current gear, and the charging process is also hindered. Therefore, the magnitude of the output current of the charging chip depends on the value of the voltage value Vrect and the current level of the charging chip.

It should be noted that, as shown in fig. 4, since the rectified voltage obtained by wireless charging receiving end chip 216 is constant, in order to ensure that the received power of wireless charging receiving end chip 216 is constant, processor 201 may control the output of charging chip 217 to output a constant current, for example, 150 milliamperes. Since the charging chip 217 is connected in series with the wireless charging receiving terminal chip 216, the current output by the wireless charging receiving terminal chip 216 is also a constant current. In the charging process of the electronic device, when the received power of the electronic device is constant, that is, when the received power of the wireless charging receiving end chip 216 is constant, the charging efficiency is inversely related to the transmitting power of the charging stand. That is, the lower the charging efficiency is, that is, the higher the transmission power of the power signal sent by the charging dock is, the lower the transmission frequency of the power signal sent by the charging dock is; in the case where the charging efficiency is higher, that is, in the case where the transmission power of the power signal transmitted by the charging dock is smaller, the transmission frequency of the power signal transmitted by the charging dock is higher. In the charging process of the electronic equipment, when the coil of the electronic equipment is aligned with the coil of the charging seat, the charging efficiency of the electronic equipment is higher; when the coil of the electronic device and the coil of the charging seat are deviated, the charging efficiency of the electronic device is low.

Therefore, when the electronic equipment receives a stable power signal, the electronic equipment can determine the position relationship between the coil of the electronic equipment and the coil of the charging seat according to the transmitting frequency of the power signal. That is, in the case where the output current of the charging chip 217 is controlled to be constant, that is, in the case where the received power is constant, it is possible to ensure that the electronic device receives a stable power signal. The electronic device can determine the position relationship between the coil of the electronic device and the coil of the charging seat according to the change of the transmitting frequency of the power signal.

For example, as shown in fig. 10, in the embodiment of the present application, when the coil of the mobile phone is aligned with the coil of the charging dock, the transmission frequency value is large, and the maximum value of the transmission frequency may reach 146 khz; when the mobile phone coil and the charging seat coil are in offset positions and the deviation distance between the center of the mobile phone coil and the center of the charging seat coil is large, the value of the transmission frequency is small, and the minimum value of the transmission frequency shown in fig. 10 can reach 114 khz.

It should be noted that, when the transmission frequency is 146 khz, the transmission power of the charging base is smaller because the transmission frequency is larger, which means that the coil of the electronic device is aligned with the coil of the charging base. When the transmission frequency is 114 khz, the transmission power of the charging base is larger because the transmission frequency is smaller, which means that the coil of the electronic device is offset from the coil of the charging base.

S405, determining a second position relation between the electronic equipment coil and the charging seat coil according to the magnitude relation between the transmitting frequency of the power signal and a second threshold value.

Wherein, the second threshold is a preset threshold used for measuring the magnitude of the transmitting frequency. In an implementation manner of the embodiment of the present application, a value of the second threshold may be preset to 125. It should be noted that the second threshold may also be set to other values, and in the embodiment of the present application, the second threshold is taken as 125 for example.

In this embodiment of the present application, S405 may be specifically implemented as: when the transmitting frequency of the power signal is greater than or equal to a second threshold value, determining that the second position relation is the alignment of the electronic equipment coil and the charging seat coil; and when the transmitting frequency of the power signal is less than a second threshold value, determining that the second position relation is the deviation between the electronic equipment coil and the charging seat coil.

It should be noted that the second positional relationship and the first positional relationship are the positional relationship between the coil of the electronic device and the coil of the charging seat at different times, and may include alignment or deviation.

Taking fig. 10 as an example, the second threshold may be set to 125, that is, when the transmission frequency is greater than or equal to 125 khz, the handset coil and the charging-stand coil are aligned; when the transmitting frequency is less than 125 KHz, the mobile phone coil and the charging seat coil are in offset position. For example, in an implementation manner, the two corresponding horizontal deviation distances when the transmission frequency is 125 may be respectively an upper limit and a lower limit of the horizontal deviation distance when the two coils are in alignment, that is, the lower limit is that the horizontal deviation distance is minus 6 mm, and the upper limit is that the horizontal deviation distance is 8 mm.

It should be noted that the second threshold is used to determine whether the distance corresponding to the current value of the transmitting frequency can ensure that the coil of the mobile phone is aligned with the coil of the charging seat according to the magnitude relationship between the transmitting frequency and the second threshold, so as to help the mobile phone to determine the current charging condition of the mobile phone, and further determine what content needs to be presented to the user to inform the user of the current charging condition of the mobile phone. The value of the second threshold is not limited to the above-mentioned cases, and may be determined according to the performance of the mobile phone and the charging stand, and/or the charging situation that the mobile phone needs to be ensured at present, and the setting mode, the value, and the like of the intensity threshold are not limited herein.

And S406, displaying a second interface.

And the second interface comprises information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment.

It should be noted that the second interface and the first interface are interfaces displayed by the electronic device at different times. In this embodiment, the display contents of the first interface and the second interface may be completely the same, partially the same, or different, and the contents presented by the first interface and the second interface are not limited herein. For example, the first interface is the interface shown in fig. 8(b), and the second interface may be the interface shown in fig. 8(a) or fig. 8(b), which is not limited herein.

The mobile phone realizes the alignment detection of the mobile phone coil and the charging seat coil by means of signal intensity, and only the position relationship of the mobile phone coil and the charging seat coil after initial placement can be preliminarily judged, but the position relationship between the mobile phone coil and the charging seat coil after subsequent adjustment of the placement position of the mobile phone cannot be measured. The mobile phone realizes the alignment detection of the mobile phone coil and the charging seat coil by means of the transmitting power, and the alignment detection can be realized only when the wireless charging receiving end chip of the mobile phone is in a stable state, but the alignment detection is often delayed for a period of time, for example, 700 milliseconds, compared with the detection time when the signal intensity is detected, so that the time delay of displaying a display interface of the mobile phone is greatly increased. And, when in the critical state, only the signal strength can not obtain the value of the transmitting power. The critical state refers to a state from power-on to power-off of the wireless charging receiving terminal chip and a state from power-off to power-on of the wireless charging receiving terminal chip, namely, a state that the power-on state and the power-off state of the wireless charging receiving terminal chip are changed. In the embodiment of the application, when the wireless charging receiving terminal chip is in a critical state, the wireless charging receiving terminal chip has a certain probability of power failure, and after the wireless charging receiving terminal chip is powered off, the mobile phone cannot successfully acquire the value of the transmitting power. Because when the mobile phone is in a critical state, for example, when the mobile phone is just powered on, due to instability of signal strength, there is a certain probability that the transmission frequency is detected sometimes and cannot be detected sometimes (for example, when the signal strength is less than 85, the transmission power cannot be detected), in an implementation manner of the embodiment of the present application, the mobile phone performs initial alignment detection through the signal strength, and performs alignment detection twice, three times, or even more times through the transmission power after the signal strength is stable (for example, the signal strength is greater than or equal to 85). It should be noted that after the mobile phone completes the initial alignment detection according to the signal strength, it is determined that the mobile phone coil is aligned with the charging seat coil, so that the secondary alignment detection is not required to be performed through the transmission frequency.

It should be noted that, for the values of the signal strength and the transmission frequency, the detection may be implemented by using an internal device of the wireless charging receiving end chip, or may be implemented by using an external device of the wireless charging receiving end chip, where the device for obtaining the values of the signal strength and the transmission frequency in the electronic device is not limited.

The first and second threshold values, the first and second distance threshold values, and the first to sixth deviation threshold values may be preset, and the values and the setting manner of the threshold values are not limited.

In the embodiment of the present application, the electronic device may be divided into the functional modules according to the method embodiment, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, in the embodiment of the present application, the division of the module is schematic, and is only one logic function division, and there may be another division manner in actual implementation.

Fig. 11 is a schematic diagram illustrating an exemplary structure of the electronic device according to the above embodiment. The electronic device 500 includes: a wireless charging receiving end unit 501 (the wireless charging receiving end unit 501 may be implemented as a wireless charging receiving end chip, for example, the wireless charging receiving end chip 216 shown in fig. 3 and 4), a charging unit 502 (the charging unit 502 may be implemented as a charging chip, for example, the charging chip 217 shown in fig. 3 and 4), a processing unit 503 (the processing unit 503 may be implemented as a processor, for example, the processor 201 shown in fig. 3), and a display unit 504 (the display unit 504 may be the display screen 210 shown in fig. 3, or may be implemented as a display panel, for example, the display panel 212 shown in fig. 3, and the display unit 504 may be a touch display screen, or a display panel of the touch display screen). The wireless charging receiving end unit 501, the charging unit 502 and the display unit 504 are respectively connected to the processing unit 503, the wireless charging receiving end unit 501 is used as an input of the charging unit 502, and the charging unit 502 is used for supplying power to the electronic device 500.

In one implementation manner of the embodiment of the present application, the processing unit 503 may send control signals to the wireless charging receiving end unit 501 and the charging unit 502, respectively, so as to control output currents, voltages, and the like of the wireless charging receiving end unit 501 and the charging unit 502; the processing unit 503 may also send a control signal to the display unit 504 to control the display unit 504 to display the first interface, the second interface, and the like.

It should be noted that the charging unit 502 is used to supply power to the electronic device 500, which means that during the charging process of the electronic device 500, the charging unit 502 is used to supply power to the system and the battery of the electronic device 500, respectively. While during non-charging of the electronic device 500, the system of the electronic device 500 is powered by the battery.

The wireless charging receiving end unit 501 is configured to support the electronic device 500 to receive a probe signal, a power signal, and the like, determine a signal strength of the probe signal, detect the received power signal, and determine a transmission frequency of the power signal (i.e., an operating frequency of the power signal). The position relationship between the coil of the electronic device 500 (i.e. the coil of the electronic device, such as the coil of a mobile phone) and the coil of the charging stand is then determined by the processing unit 503 according to the signal strength of the detection signal or the transmission frequency of the power signal.

In one implementation of the embodiment of the present application, the wireless charging receiving end unit 501 may include a control processing unit 5011 (the control processing subunit 5011 may be implemented as a control processor, for example, the control processor 301 shown in fig. 4), a storage unit 5012 (the storage unit 5012 may be implemented as a register, for example, the register 302 shown in fig. 4), an analog-to-digital conversion unit 5013 (the analog-to-digital conversion unit 5013 may be implemented as an analog-to-digital converter, for example, the analog-to-digital converter 303 shown in fig. 4), and a frequency detection unit 5014 (the frequency detection unit 5014 may be implemented as a frequency meter, for example, the frequency meter 304 shown in fig. 4).

The analog-to-digital conversion unit 5013 may convert the detection signal received by the wireless charging receiving end unit 501 between an analog signal (i.e., a detection signal) and a digital signal to obtain a digital signal, i.e., a rectified voltage obtained by performing analog-to-digital conversion and rectification on the detection signal. The rectified voltage is then converted into the signal strength of the detection signal by the control processing unit 5011. So that the processing unit 503 can determine the first positional relationship between the coil of the electronic device 500 and the coil of the charging dock according to the magnitude relationship between the signal strength and the first threshold.

The frequency detection unit 5014 may be configured to detect a transmission frequency of the power signal received by the wireless charging receiving end unit 501 (i.e. an operating frequency of the power signal), and then determine the second positional relationship between the coil of the electronic device 500 and the charging seat coil by the processing unit 503 according to a magnitude relationship between the transmission frequency and the second threshold.

It should be noted that the storage unit 5012 may be configured to store at least one of the rectified voltage of the probe signal obtained by the analog-to-digital conversion unit 5013, the signal strength of the probe signal obtained by the control processing unit 5011 based on the rectified voltage, and the transmission frequency of the power signal detected by the frequency detection unit 5014.

In an implementation manner of the embodiment of the present Application, the Processor 201 may also be a controller, for example, a CPU, a general-purpose Processor, a Digital Signal Processor (DSP), an Application-Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or other Programmable logic devices, transistor logic devices, hardware components, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, among others. The above-mentioned transceiver may also be implemented as a transceiving circuit or a communication interface, etc.

The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or may be embodied in software instructions executed by the processor 201. The software instructions may be comprised of corresponding software modules that may be stored in Memory, flash Memory, Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), registers, a hard disk, a removable disk, a Compact Disc Read-Only Memory (CD-ROM), or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in the same apparatus or may be separate components in different apparatuses.

The embodiment of the application provides a readable storage medium which comprises instructions. When the instructions are run on an electronic device, the instructions cause the electronic device to perform the method described above.

The present application provides a computer program product comprising software code for performing the above-mentioned method.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

A wireless charging alignment detection method is applied to an electronic device, and comprises the following steps:

receiving a detection signal sent by a charging seat, and determining the signal intensity of the detection signal;

determining a first position relationship between the electronic device coil and the charging seat coil according to a magnitude relationship between the signal intensity of the detection signal and a first threshold value, wherein the first position relationship comprises alignment or deviation of the electronic device coil and the charging seat coil;

and displaying a first interface, wherein the first interface comprises information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment.
The method of claim 1, wherein determining the first positional relationship between the electronic device coil and the charging seat coil according to the magnitude relationship between the signal strength of the detection signal and the first threshold comprises:

when the signal intensity of the detection signal is greater than or equal to the first threshold, determining that the first positional relationship is the alignment of the electronic device coil and the charging seat coil, and the alignment of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is less than or equal to the first distance threshold.
The method according to claim 1 or 2, wherein the determining the first positional relationship between the electronic device coil and the charging seat coil according to the magnitude relationship between the signal strength of the detection signal and the first threshold value comprises:

when the signal intensity of the detection signal is smaller than the first threshold, determining that the first positional relationship is that the electronic device coil and the charging seat coil are offset, and the offset of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is larger than a second distance threshold.
The method according to any one of claims 1 to 3, further comprising:

receiving a power signal sent by the charging seat, and detecting the transmitting frequency of the power signal, wherein the power signal received by the electronic equipment is a stable power signal;

determining a second positional relationship between the electronic device coil and the charging seat coil according to a magnitude relationship between the transmitting frequency of the power signal and a second threshold, wherein the second positional relationship comprises alignment or deviation of the electronic device coil and the charging seat coil;

and displaying a second interface, wherein the second interface comprises information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment.
The method of claim 4, wherein determining the second positional relationship between the electronic device coil and the charging seat coil according to the magnitude relationship between the transmission frequency of the power signal and the second threshold comprises:

when the transmitting frequency of the power signal is greater than or equal to the second threshold, determining that the second positional relationship is the alignment of the electronic device coil and the charging seat coil, and the alignment of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is less than or equal to the first distance threshold.
The method of claim 4 or 5, wherein determining the second positional relationship between the electronic device coil and the charging seat coil according to the magnitude relationship between the transmission frequency of the power signal and the second threshold comprises:

when the transmitting frequency of the power signal is smaller than the second threshold, determining that the second positional relationship is that the electronic device coil and the charging seat coil are offset, and the offset of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is larger than a second distance threshold.
The method of any one of claims 1 to 6, wherein the information about the charging status of the electronic device is slow charging or no charging of the electronic device when the coil of the electronic device and the coil of the charging cradle are offset.
The method according to any one of claims 1 to 7, wherein the information of the charging status of the electronic device is that the electronic device is normally charged when the coil of the electronic device is aligned with the coil of the charging dock.
An electronic device is characterized by comprising a wireless charging receiving end unit, a processing unit and a display unit;

the wireless charging receiving terminal unit is used for receiving the detection signal sent by the charging seat and determining the signal intensity of the detection signal;

the processing unit is configured to determine a first positional relationship between the electronic device coil and the charging seat coil according to a magnitude relationship between the signal strength of the detection signal and a first threshold, where the first positional relationship includes alignment or deviation between the electronic device coil and the charging seat coil;

the display unit displays a first interface under the control of the processing unit, and the first interface comprises information corresponding to the first position relation and used for prompting the charging condition of the electronic equipment.
The electronic device of claim 9, wherein the wireless charging receiving end unit comprises an analog-to-digital conversion unit and a control processing unit;

the analog-to-digital conversion unit is used for performing analog-to-digital conversion on the detection signal received by the wireless charging receiving end unit to obtain rectified voltage of the detection signal;

and the control processing unit is used for determining the signal intensity of the detection signal according to the rectified voltage of the detection signal.
The electronic device of claim 9 or 10, wherein the processing unit is configured to:

and determining that the signal intensity of the detection signal is greater than or equal to the first threshold, wherein the first positional relationship is that the electronic equipment coil is aligned with the charging seat coil, and the alignment of the electronic equipment coil and the charging seat coil is that the distance between the center of the electronic equipment coil and the center of the charging seat coil is less than or equal to the first distance threshold.
The electronic device of any of claims 9-11, wherein the processing unit is configured to:

and determining that the signal intensity of the detection signal is smaller than the first threshold, wherein the first positional relationship is that the electronic device coil and the charging seat coil are offset, and the offset of the electronic device coil and the charging seat coil is that the distance between the center of the electronic device coil and the center of the charging seat coil is larger than a second distance threshold.
The electronic device according to any one of claims 9 to 12, further comprising a charging unit, wherein the processing unit controls the charging unit to output a stable current;

the wireless charging receiving terminal unit is used for receiving a power signal sent by the charging seat and detecting the transmitting frequency of the power signal, wherein the power signal received by the wireless charging receiving terminal unit is a stable power signal;

the processing unit is configured to determine a second positional relationship between the electronic device coil and the charging seat coil according to a magnitude relationship between a transmission frequency of the power signal received by the wireless charging receiving end unit and a second threshold, where the second positional relationship includes alignment or deviation between the electronic device coil and the charging seat coil;

and the display unit displays a second interface under the control of the processing unit, wherein the second interface comprises information corresponding to the second position relation and used for prompting the charging condition of the electronic equipment.
The electronic device of claim 13, wherein the electronic device comprises a frequency detection unit;

the frequency detection unit is used for detecting the transmitting frequency of the power signal received by the wireless charging receiving end unit.
The electronic device of claim 13 or 14, wherein the processing unit is configured to:

and determining that the transmitting frequency of the power signal is greater than or equal to the second threshold, wherein the second positional relationship is that the electronic equipment coil is aligned with the charging seat coil, and the alignment of the electronic equipment coil and the charging seat coil is that the distance between the center of the electronic equipment coil and the center of the charging seat coil is less than or equal to a first distance threshold.
The electronic device of any of claims 13-15, wherein the processing unit is configured to:

and determining that the transmitting frequency of the power signal is smaller than the second threshold, wherein the second positional relationship is that the electronic equipment coil and the charging seat coil are offset, and the offset of the electronic equipment coil and the charging seat coil is that the distance between the center of the electronic equipment coil and the center of the charging seat coil is larger than the second distance threshold.
The electronic device of any of claims 9-16, wherein the information about the charging status of the electronic device is that the electronic device is slowly charged or the electronic device is not charged when the electronic device coil and the charging-stand coil are offset.
The electronic device according to any one of claims 9 to 17, wherein when the electronic device coil is aligned with the charging seat coil, the information about the charging condition of the electronic device is that the electronic device is normally charged.
The electronic device of any of claims 13-16, wherein the stabilization current is 150 milliamps.
An electronic device comprising a display screen, a memory, one or more processors, a plurality of applications, and one or more programs; wherein the one or more programs are stored in the memory; wherein the one or more processors, when executing the one or more programs, cause the electronic device to implement the method of any of claims 1-8.
A readable storage medium having stored therein instructions that, when executed on an electronic device, cause the electronic device to perform the method of any of claims 1-8.
A computer program product, characterized in that it comprises a software code for performing the method of any one of the preceding claims 1 to 8.