CN111756079A - Wireless charging device and wireless charging method - Google Patents

Abstract

The invention provides a wireless charging device and a wireless charging method, wherein the wireless charging device at least comprises a base, a first driving assembly, a second driving assembly and a charging coil assembly, wherein: the first driving assembly is arranged on the base and drives the charging coil assembly to move along a first direction; the second driving assembly is arranged on the base and drives the charging coil assembly to move along the second direction, and an included angle is formed between the first direction and the second direction so as to move the charging coil assembly to a preset position based on the first driving assembly and the second driving assembly. The invention realizes the position freedom of the charging coil assembly of the wireless charging device, is suitable for different portable electronic equipment, has strong universality, can freely move the transmitting end position of the wireless charging equipment within a certain range, can perfectly solve the problem of dislocation of the transmitting end coil and the receiving end coil, can improve the area of a chargeable area and improve the charging efficiency, and can further shorten the charging time through the design of the invention.

Description

Wireless charging device and wireless charging method

technical field

The invention belongs to the technical field of wireless charging, and in particular relates to a wireless charging device and a wireless charging method.

Background technique

With the development of technology, the existing technology of wireless charging of electronic mobile devices is to realize wireless transmission of electric energy through electromagnetic induction. In wireless charging based on electromagnetic induction, the positions of the coils of the transmitter and receiver have a great influence on the coupling of the coils. , to a large extent will affect the charging efficiency and other issues, and then the location of the receiving end of the wireless charging is very high. Therefore, the dislocation of the transmitter coil and the receiver coil greatly affects the charging efficiency, and the wireless charging coils in the existing wireless charging devices are generally fixed in the wireless charging device and cannot be moved. Devices (such as mobile phones, etc.) are placed on it for wireless charging. The relative position of the wireless charger ray coil is relatively fixed, and it is impossible to charge devices with receiving coils in different positions. There are problems such as small charging area and easy deviation of placement.

SUMMARY OF THE INVENTION

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a wireless charging device and a wireless charging method, which are used to solve the problem that the wireless charging device in the prior art is difficult to charge the equipment to be charged in different locations, and the charging is possible. The area is small, the placement of the device to be charged is easy to deviate, and the charging efficiency is low.

In order to achieve the above object and other related objects, the present invention provides a wireless charging device, the wireless charging device at least includes a base, a first driving component, a second driving component and a charging coil component, wherein: the first driving component is provided with On the base, the charging coil assembly is driven to move in a first direction; the second driving assembly is disposed on the base and drives the charging coil assembly to move in a second direction, the first direction and the There is an included angle between the second directions, so as to move the charging coil assembly to a preset position based on the first drive assembly and the second drive assembly.

As an optional solution of the present invention, the second drive assembly is disposed on the first drive assembly, and the second drive assembly can move along the first drive assembly, wherein the first drive assembly The assembly drives the charging coil assembly to move in the first direction based on the second drive assembly.

As an optional solution of the present invention, the first drive assembly includes a first guide rail, the second drive assembly includes a second guide rail, and one end of the second guide rail is disposed on the first guide rail, so The second guide rail can move along the first guide rail, the charging coil assembly is arranged on the second guide rail, and the charging coil assembly can move along the second guide rail, wherein the second guide rail is along the second guide rail. The moving direction of the first guide rail is consistent with the first direction, and the moving direction of the charging coil assembly along the second guide rail is consistent with the second direction.

As an optional solution of the present invention, the first drive assembly further includes a third guide rail, the third guide rail is arranged in parallel with the first guide rail, wherein the other end of the second guide rail is arranged on the On the third guide rail, the second guide rail can move along the third guide rail, and the moving direction of the second guide rail along the third guide rail is consistent with the first direction.

As an optional solution of the present invention, the wireless charging device further includes a transmission device, and the transmission device is disposed on the base, wherein the transmission device drives the second drive assembly to drive along the first drive Components move.

As an optional solution of the present invention, the transmission device includes a first-direction drive motor disposed on the base and a transmission belt connected to the first-direction drive motor, wherein the first-direction drive motor The second drive assembly is driven to move along the first drive assembly by the drive belt.

As an optional solution of the present invention, the charging coil assembly includes a carrier and a charging coil disposed on the carrier, and the wireless charging device further includes a second-direction drive motor disposed on the base, wherein, The second direction driving motor drives the charging coil assembly to move along the second driving assembly based on the carrier.

As an optional solution of the present invention, the second direction driving motor is arranged on the carrier, the charging coil is integrated on a PCBA board, and is arranged on the carrier through the PCBA board, and all the The PCBA board is arranged above the second direction driving motor.

As an optional solution of the present invention, the wireless charging device further includes a cover body, the cover body is disposed on the base, and an accommodating space is formed between the cover body and the base, so The first drive assembly, the second drive assembly and the charging coil assembly are all disposed in the accommodating space.

As an optional solution of the present invention, the wireless charging device further includes a position detection component, and the position detection component is disposed on the base and used to detect the position information of the device to be charged placed on the wireless charging device .

As an optional solution of the present invention, the wireless charging device further includes a control and drive assembly, the control and drive assembly is disposed on the base and connected to the position detection assembly for receiving the position information and The first driving assembly and the second driving assembly are controlled to drive the charging coil assembly to move based on the position information, so as to align the charging coil assembly with the receiving coil of the device to be charged.

As an optional solution of the present invention, the wireless charging device further includes a charging judging component and a device placement judging component disposed on the base, wherein the charging judging component is used to detect whether the device to be charged is charged After completion, the device placement judging component is connected to the charging judging component, and is used for detecting whether there are other devices to be charged placed on the wireless charging apparatus when the charging judging component judges that the charging of the device to be charged is completed.

The present invention also provides a wireless charging method, and the wireless charging method includes the following steps:

Provide the wireless charging device according to any one of the above solutions;

providing a device to be charged, and placing the device to be charged on the wireless charging device;

Controlling the movement of the charging coil assembly based on the first driving assembly and the second driving assembly, so as to align the charging coil assembly with the receiving coil of the device to be charged; and

The device to be charged is charged based on the wireless charging apparatus.

As an optional solution of the present invention, the wireless charging method further includes the step of: after placing the device to be charged on the wireless charging device, detecting whether the device to be charged is placed on the wireless charging device position information, and control the movement of the charging coil assembly based on the position information, so as to align the charging coil assembly with the receiving coil of the device to be charged.

As an optional solution of the present invention, the wireless charging method further includes the step of: after the wireless charging device starts charging the device to be charged, detecting whether the charging of the device to be charged is completed, and if the charging is not completed, Then continue charging; if charging is completed, continue to detect whether there are other devices to be charged, if so, repeat the steps of moving, aligning and charging the charging coil assembly, if not, control the wireless charging device to stand by.

As an optional solution of the present invention, the moving manner of the charging coil assembly is selected from driving the charging coil assembly to move in the first direction based on the first driving assembly and driving the charging coil assembly based on the second driving assembly At least one of the charging coil assembly moving in the second direction, when the second driving assembly is disposed on the first driving assembly, the first driving assembly is driven based on the second driving assembly The charging coil assembly moves in the first direction.

As an optional solution of the present invention, the wireless charging method further includes the step of: after the charging of the device to be charged is completed, controlling the charging coil assembly to return to the charging coil assembly based on the first driving component and the second driving component to the initial position.

As described above, the wireless charging device and the wireless charging method of the present invention realize the positional freedom problem of the charging coil assembly of the wireless charging device, can be applied to different portable electronic devices, have strong versatility, and the position of the transmitter of the wireless charging device can be adjusted. Free movement within a certain range can perfectly solve the dislocation problem between the transmitter coil and the receiver coil, increase the area of the chargeable area, and improve the charging efficiency. In addition, through the design of the present invention, the charging time can be further shortened.

Description of drawings

FIG. 1 is a perspective view of a wireless charging device provided by the present invention.

FIG. 2 is a diagram showing the internal components of the wireless charging device provided by the present invention.

FIG. 3 is a perspective view showing the internal components of the wireless charging device provided by the present invention.

FIG. 4 is a schematic flowchart of the wireless charging method provided by the present invention.

FIG. 5 is a system block diagram showing a control operation process of a wireless charging device in an example of the present invention.

FIG. 6 is a schematic diagram showing the workflow of the wireless charging device in an example of the present invention.

Component label description

100 base

101 Charging coil assembly

101a charging coil

101b carrier

102 First rail

103 Second rail

104 Third rail

105 The first direction drive motor

106 Drive belt

107 Rechargeable area

108 The second direction drive motor

200 cover

201 Reset key

202 Indicators

203 Placement area for equipment to be charged

300 position detection array

301 position detection processing chip

302 Micro Control Unit

303 wireless charging chip

304 drive unit

305 Coil Resonant Tank

306 Motor Control Chip

307 Motor

401 Placement of the device to be charged

402 The position detection component detects the position information

403 MCU calculates mobile information

404 Start wireless charging chip

405 Motor control chip works

The 406 motor moves the charging coil assembly to the corresponding position

407 Start wireless charging

408 Is charging completed?

409 Continue charging

410 Whether there is a device to be charged placed

411 Wireless charging unit in standby mode

S1～S4 steps

Detailed ways

The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

See Figures 1 to 6. It should be noted that the diagrams provided in this embodiment are only to illustrate the basic concept of the present invention in a schematic way, so the diagrams only show the components related to the present invention rather than the number, shape and the number of components in the actual implementation. For dimension drawing, the shape, quantity and proportion of each component can be arbitrarily changed during actual implementation, and the component layout shape may also be more complicated.

As shown in Figures 1-3, the present invention provides a wireless charging device, the wireless charging device at least includes a base 100, a first driving component, a second driving component and a charging coil component 101, wherein: the first driving component set on the base 100 to drive the charging coil assembly 101 to move in the first direction; the second drive assembly is set on the base 100 to drive the charging coil assembly 101 to move in the second direction, the There is an included angle between the first direction and the second direction, so as to move the charging coil assembly 101 to a preset position based on the first driving element and the second driving element.

Specifically, in the wireless charging device of the present invention, the charging coil assembly 101 can move, for example, can move in a plane parallel to the surface of the base 100, wherein the first driving assembly drives the The charging coil assembly 101 moves in a first direction, and the first direction may be any direction within the plane in which the charging coil assembly 101 moves. In addition, the second driving assembly drives the charging coil assembly 101 Move in a second direction, and the second direction may be any direction in the plane in which the charging coil assembly 101 moves. Further, there is an included angle between the first direction and the second direction , so that the charging coil assembly 101 can be moved under the action of the first driving assembly and the second driving assembly, so as to move the charging coil assembly 101 to a required position, that is, the preset position, here , moving along the first direction and the second direction may be moving back and forth along the first direction, moving back and forth along the second direction, in an example, the first direction and the second direction perpendicular to each other, for example, for a certain preset position, the charging coil assembly 101 can be moved to the first position by the first driving assembly, and then the charging coil assembly 101 can be moved by the second driving assembly The assembly 101 moves from the first position to the preset position. Of course, the second driving assembly can also move the charging coil assembly 101 first, and then move the charging coil assembly through the first driving assembly. 101. Similarly, the first drive assembly and the second drive assembly may simultaneously drive the charging coil assembly 101 to move. In an example, if the initial position of the charging coil assembly 101 coincides with the preset position, the moving distance of the charging coil assembly 101 driven by the first driving assembly and the second driving assembly is zero. , that is, the charging coil assembly 101 does not move.

Through the above solution, the present invention realizes that the charging coil assembly 101 can be moved, that is, the position of the transmitting end of the wireless charging device can be freely moved within a certain range, which can perfectly solve the problem of dislocation of the transmitting end coil and the receiving end coil, and can improve the charging area. The area of 107, which improves the charging efficiency, can be applied to different portable electronic devices, and has strong versatility.

As an example, the second drive assembly is disposed on the first drive assembly, and the second drive assembly is movable along the first drive assembly, wherein the first drive assembly is based on the second drive The assembly drives the charging coil assembly 101 to move in the first direction.

Specifically, in an example, the second drive assembly is further disposed on the first drive assembly, and the second drive assembly can move on the first drive assembly, for example, in a sliding manner, Further, the second drive assembly drives the charging coil assembly 101 to move along the first direction. In an optional example, the second drive assembly moves along the first drive assembly in the same direction as the first drive assembly. In the same direction, the charging coil assembly 101 is disposed on the second driving assembly. When the second driving assembly moves on the first driving assembly, the charging coil assembly 101 is realized along the first driving assembly. direction move.

In addition, as shown in FIG. 2 , in an example, the second drive assembly moves on the first drive assembly, and the charging coil assembly 101 moves on the second drive assembly, so that the The charging coil can move to any position in an interval defined by the first driving component and the second driving component, that is, the charging area 107 . In the present invention, a chargeable area 107 can be defined by the first drive assembly and the second drive assembly, that is, the area to which the charging coil assembly 101 can move, so that the device to be charged can be charged in this area, Compared with the traditional wireless charging device, the effective charging area is greatly improved. In an example, the rechargeable area 107 may be a square area with rounded corners, as shown in FIG. 2 , wherein the radius R at the rounded corners is 21 mm, and the side length is 150 mm.

As an example, the first drive assembly includes a first guide rail 102, the second drive assembly includes a second guide rail 103, and one end of the second guide rail 103 is disposed on the first guide rail 102, and the second guide rail 103 The guide rail 103 can move along the first guide rail 102, wherein the charging coil assembly 101 is disposed on the second guide rail 103, and the charging coil assembly 101 can move along the second guide rail 103, in an example , the moving direction of the second guide rail 103 along the first guide rail 102 is consistent with the first direction, and the moving direction of the charging coil assembly 101 along the second guide rail 103 is consistent with the second direction.

Specifically, as shown in FIG. 2 and FIG. 3 , the first drive assembly includes a first guide rail 102 , the second drive assembly includes a second guide rail 103 , and the first guide rail 102 drives the charging coil assembly 101 moves in the first direction, and the second guide rail 103 drives the charging coil assembly 101 to move in the second direction, so as to move the charging coil assembly 101 to a predetermined position based on the first guide rail 102 and the second guide rail 103 . The location, in an example, can be that one end of the second guide rail 103 is sleeved on the first guide rail 102, so that the second guide rail 103 can move along the first guide rail 102, such as sliding, to realize the second guide rail 102. The drive assembly can move along the first drive assembly. In another optional example, the charging coil assembly 101 is disposed on the second guide rail 103. On the one hand, the second guide rail 103 can make the charging The coil assembly 101 moves along the second direction. For example, in an example, the charging coil assembly 101 can move along the second guide rail 103, and the moving direction is consistent with the second direction; on the other hand, The second guide rail 103 moves along the first guide rail 102, and then the second guide rail 103 drives the charging coil assembly 101 to move along the first guide rail 102. Optionally, the second guide rail 103 moves along the The moving direction of the first guide rail 102 is consistent with the first direction.

As an example, the first drive assembly further includes a third guide rail 104, the third guide rail 104 is arranged in parallel with the first guide rail 102, wherein the other end of the second guide rail 103 is arranged on the third guide rail 104 , and the second guide rail 103 can move along the third guide rail 104 . In an example, the direction in which the second guide rail 103 moves along the third guide rail 104 is the same as the first direction.

Specifically, as shown in FIG. 2 , the first drive assembly further includes a third guide rail 104 , wherein the first guide rail 102 and the third guide rail 104 are arranged on the base 100 in parallel and spaced apart. Further, the Both ends of the second guide rail 103 are respectively disposed on the first guide rail 102 and the third guide rail 104 , and both ends can move relative to the corresponding guide rails, wherein the first guide rail 102 and the third guide rail 102 The distance between the guide rails 104 is consistent with the length of the second guide rail 103, and the second guide rail 103 moves along the first guide rail 102 and the third guide rail 104 simultaneously, so that the charging coil assembly 101 can move along the first guide rail 101. The extension direction of the first guide rail 102 and the third guide rail 104 , ie, the movement in the first direction, and the movement of the charging coil assembly 101 along the extension direction of the second guide rail 103 , ie, the second direction.

As an example, the wireless charging apparatus further includes a transmission device disposed on the base 100 , wherein the transmission device drives the second drive assembly to move along the first drive assembly.

As an example, the transmission device includes a first-direction drive motor 105 disposed on the base 100 and a transmission belt 106 connected to the first-direction drive motor 105, wherein the first-direction drive motor 105 passes through the The transmission belt 106 drives the second drive assembly to move along the first drive assembly, and the direction in which the second drive assembly moves along the first drive assembly is consistent with the first direction.

Specifically, in an example, when the second drive assembly moves along the first drive assembly, it may be realized by the transmission device, that is, the transmission device drives and controls the second drive assembly to move in the first drive assembly. A drive assembly moves upward. In an optional example, the transmission device includes a first-direction drive motor 105 and a drive belt 106, wherein the first-direction drive motor 105 drives the drive belt 106 to drive the second drive The drive assembly moves. In an example, the first drive assembly includes a first guide rail 102 and a third guide rail 104, the second drive assembly includes a second guide rail 103, and both ends of the second guide rail 103 are respectively sleeved On the first guide rail 102 and the third guide rail 104 , the transmission belt 106 drives the second guide rail 103 to move under the operation of the driving motor 105 in the first direction.

As an example, the charging coil assembly 101 includes a carrier 101b and a charging coil 101a disposed on the carrier 101b, and the wireless charging device further includes a second-direction driving motor 108 disposed on the base 100, wherein the The second direction driving motor 108 drives the charging coil assembly 101 to move along the second driving assembly based on the carrier 101b, and the charging coil assembly 101 moves along the direction of the second driving assembly and the second driving assembly. the same direction.

As an example, the second direction driving motor 108 is disposed on the carrier 101b, the charging coil 101a is integrated on a PCBA board, and is disposed on the carrier 101b through the PCBA board, and the PCBA board It is arranged above the second direction driving motor 108 .

Specifically, in an example, the charging coil assembly 101 is composed of a carrier 101b and a charging coil 101a disposed on the carrier 101b, wherein the carrier 101b may be a plate made of aluminum alloy, such as a circular shape. The carrier 101b, the charging coil is used as a transmitting coil, and can be coupled with the receiving coil of the device to be charged to realize wireless charging. In an example, the charging coil is disposed on the second driving component through the carrier 101b , when the second drive assembly includes the second guide rail 103 , the carrier 101 b is disposed on the second guide rail 103 . In an example, the charging coil 101a may be integrated on a PCB'A, and then disposed on the carrier 101b. In addition, the second direction driving motor 108 drives the charging coil assembly 101 along the first direction. Two-direction movement, in an example, the charging coil assembly 101 is disposed on the second driving assembly, such as disposed on the second guide rail 103, and the second direction driving motor 108 drives the charging coil assembly 101 moves along the second drive assembly, such as the second guide rail 103. In an optional example, the second direction drive motor 108 is disposed on the carrier 101b, thereby driving the charging coil assembly 101 Moving on the second guide rail 103, in an example, the second guide rail 103 may be a sliding rail, and the movement on the second guide rail 103 may be realized by means of a gear and a spur gear meshing transmission, To realize the movement of the charging coil assembly 101 on the second guide rail 103, in an example, the second direction driving motor 108 is disposed on the carrier 101b, and the function of the second direction driving motor 108 is Next, the carrier 101b, the charging coil 101a and the second direction driving motor 108 all move together on the second guide rail 103. In a further optional example, straight teeth are provided on the second guide rail 103 The second direction driving motor 108 is arranged on both ends of the gear matched with the spur gear rack, and the second direction driving motor 108 is arranged on the upper surface of the carrier, and the second guide rail 103 is located on the carrier 101b and located in Below the gear, further, the charging coil 101a is disposed above the second-direction driving motor 108 and on the carrier 101b, so that the second-direction driving motor 108 drives the charging coil 101a to move.

As an example, the wireless charging device further includes a cover 200, the cover 200 is disposed on the base 100, and an accommodation space is formed between the cover 200 and the base 100, the first A driving component, the second driving component and the charging coil component 101 are all disposed in the accommodating space.

Specifically, in an example, the wireless charging device further includes a cover body 200 , as shown in FIG. 1 , wherein the cover body 200 may be made of PC material. In addition, the cover body 200 is also provided with There is a device placement area 203 to be charged. The device placement area 203 corresponds to the chargeable area 107 where the charging coil assembly 101 can move. Wireless charging can be achieved when the device to be charged is placed in this area to improve charging efficiency. , In addition, a reset button 201 can also be set on the cover body 200, so as to be connected with the control component of the accommodating space, etc. When the button is clicked, the charging coil component 101 is controlled to return to the initial position for reset , In addition, an indicator light 202 can also be set on the cover body 200, for example, it can be connected with the control component of the accommodation area, and indicate when the charging of the device to be charged is completed, etc. Of course, those skilled in the art can understand Yes, it can also be used for instructions in other programs.

As an example, the wireless charging apparatus further includes a position detection component, and the position detection component is disposed on the base 100 for detecting the position information of the device to be charged placed on the wireless charging apparatus.

Specifically, in an example, the base 100 further includes a detection component, and the detection component may be directly disposed on the base 100, or may be disposed on the base 100 through other equipment. The detection component can be used to detect the position information of the device to be charged after the device to be charged is placed on the wireless charging device, which can be the position of the receiving coil of the device to be charged. In an example, see FIG. 5 . , the detection assembly may include a position detection array 300, for example, the position detection array 300 may be composed of several position detection sensors. In an example, the detection assembly and related position sensing parts are defined on a large PCB'A The coil finds and fits in a suitable position by moving. When the device to be charged is placed on the charging platform of the wireless charging device, such as the device to be charged placement area 203 of the cover 200, the position detection The array 300 can detect the position of the receiving coil of the device to be charged, and obtain its position information. In a further example, the position detection component further includes a position detection processing chip 301, and the position detection processing chip 301 is connected with the position detection array. 300 is connected, can receive the position information obtained by the position detection array 300, and transmit the position information to other control components, so as to control the position of the charging coil assembly 101 based on the position information, and in addition , the position detection processing chip 301 can also process the received position information obtained by the position detection array 300, such as processing it into information in a form that can be received by subsequent control components, so as to transmit the processed information to Subsequent control components, in an example, the MCU and the position detection chip jointly confirm the position of RX (Receive X, "X" represents the intersection, that is, the wireless charging receiving end) and calculate the movement amount of the first driving component and the second driving component, the MCU Drive the motor control chip to drive the motor to the target position, and the MCU drives the wireless charging chip to drive the charging module to work.

As an example, the wireless charging device further includes a control and drive assembly, which is disposed on the base 100 and connected to the position detection assembly for receiving the position information and controlling based on the position information The first driving component and the second driving component drive the charging coil component 101 to move, so as to align the charging coil component 101 with the receiving coil of the device to be charged. In one example, the control The driving component receives the position information and processes it to obtain movement information, and controls the first driving component and the second driving component to drive the charging coil component 101 to move based on the movement information, so as to charge the charging The coil assembly 101 is aligned with the receiving coil of the device to be charged.

Specifically, in an example, the wireless charging device further includes a control and drive assembly, and the control and drive assembly may be directly disposed on the base 100, or may be disposed on the base 100 through other structures, wherein all the The control driving component can receive the position information obtained by the detection component, or receive the information after the position detection processing chip 301 has processed the position information, and control the first driving component and the first driving component based on the above information after receiving the above information. The movement of the second drive assembly further moves the charging coil assembly 101 to a position corresponding to the position of the device to be charged for charging, wherein the control and drive assembly receives the above information, such as the position information, and then can The above information is processed, and the above information is converted into mobile information, for example, the position information is converted into the mobile information. In an example, the position information represents the position of the device to be charged placed on the wireless charging device. Placement position, the movement information represents the distance that the first drive assembly and the second drive assembly need to move, that is, the distance that the charging coil assembly 101 needs to move to a position corresponding to the device to be charged, in an example , the control and drive assembly includes a MUC (micro control unit 302), the micro control unit 302 receives the position information, performs calculation processing on it, and converts it into the movement information, further, in an example, The micro-control unit 302 is connected to the position detection processing chip 301, and performs calculation processing on the information received by the micro-control unit 302. In addition, in an optional example, the control driving component controls the first driving component and the The movement of the second drive assembly includes: the control drive assembly controls the movement of the first drive assembly and the second drive assembly through a motor based on the obtained movement information. For example, the micro-control unit 302 may transmit the movement information to the motor. The control chip 306 further controls the motors, such as the first-direction drive motor 105 and the second-direction drive motor 108, to move the motor carrying the wireless charging coil to the corresponding position of the receiving coil of the device to be charged, see Fig. 5 shown.

In addition, the wireless charging device also includes a wireless charging chip 303. After the wireless charging chip 303 is activated, the device to be charged can be charged, for example, the charging coil assembly 101 (transmitting coil) is connected to the receiving coil of the device to be charged. In an example, the wireless charging chip 303 further controls the coil resonant circuit 305 (LC resonant circuit) by controlling the driver unit 304 (including Driver, driver chip and MOSFETs, electronically controlled switches) to achieve the above Charging, as shown in FIG. 5 , wherein the control driving component is also connected with the wireless charging chip 303 , for example, the micro-control unit 302 is connected with the wireless charging chip 303 , and the position information is obtained therefrom Or the wireless charging chip 303 is activated after the movement information, thereby finally realizing the wireless charging of the device to be charged by the charging coil. In an example, after the control and driving component (eg, the micro-control unit 302 ) acquires the position information, the wireless charging chip 303 is activated at the same time, and the obtained position information or the processed movement information is transmitted to the wireless charging chip 303 at the same time. The motor control chip 306 further controls the movement of the charging coil assembly 101. When the charging coil assembly 101 moves to a position corresponding to the receiving coil of the device to be charged, wireless charging can be started, thereby saving charging time and improving charging efficiency. In another example, after obtaining the position information, the control and driving component (such as the micro-control unit 302 ) may first transmit the obtained position information or the processed movement information to the motor control chip 306 , and then Control the charging coil assembly 101 to move, when the charging coil assembly 101 moves to a position corresponding to the receiving coil of the device to be charged, the motor control chip 306 feeds back a signal that the position has been aligned to the control driving assembly, After obtaining the alignment feedback signal, the control and driving component starts the wireless charging chip 303 again, and then performs wireless charging of the device to be charged, as shown in FIG. 6 .

As an example, the wireless charging device further includes a charging determination component and a device placement determination component disposed on the base 100, wherein the charging determination component is used to detect whether the charging of the device to be charged is completed, and the device placement The judging component is connected with the charging judging component, and is used for detecting whether there is other equipment to be charged placed on the wireless charging device when the charging judging component judges that the charging of the equipment to be charged is completed, as shown in FIG. 6 .

Specifically, the wireless charging device is further provided with a charging judging component. In an example, the charging judging component includes a charging judging chip, and the charging judging chip can detect that the charging of the device to be charged is completed. If the charging judgment chip detects that the charging is not completed, it will continue to carry out wireless charging. If it detects that the charging is completed, it can control the wireless charging chip 303 to stop working, or it can control the wireless charging device system to automatically switch to the standby mode, and make all The charging coil assembly 101 is automatically reset. In addition, in an example, an indicator light 202 is also provided on the housing. When the charging judgment chip detects that the charging is completed, the indicator light 202 can be controlled to light up at the same time. . In addition, a reset button 201 can also be provided on the casing, so that when charging is completed, the charging coil will automatically return to the initial position when the charging is completed. In some special cases, the device cannot normally return to the initial state When the reset button 201 is manually activated, the charging coil assembly 101 can be controlled to return to the initial position, that is, the charging coil assembly 101 can be reset by clicking the reset button 201. For example, after the reset button 201 is clicked, the microcontroller 302MCU obtains reset signal, and further control the motor through the motor control chip 306 to move the charging coil assembly 101 to the set initial position.

In addition, in an example, the wireless charging device is further provided with a device placement determination component, and the device placement determination component is connected to the charging determination component. In an example, the device placement determination component includes a device Place the judgment chip. The device placement judgment chip can receive the signal of the charging judgment chip. When the charging judgment chip detects that the charging of the device to be charged is completed, the device placement chip detects that the wireless charging device is still on. Other devices to be charged are put in, if there are, the signal is further transmitted to the position detection component for position detection and subsequent charging actions, if no other devices to be charged are placed, the wireless charging device is controlled to be in standby mode. In addition, in an example, the standby mode can also be displayed through the indicator light 202. In an example, the charging coil will automatically return to the initial position when the charging is completed. In some special cases, the device cannot function normally. When restoring the initial state, the reset button 201 can be manually activated to control the charging coil assembly 101 to return to the initial position.

In addition, as shown in Fig. 4-6, and referring to Fig. 1-3, the present invention also provides a wireless charging method, and the wireless charging method includes the following steps:

Provide the wireless charging device according to any one of the above embodiments of the present invention;

providing a device to be charged, and placing the device to be charged on the wireless charging device;

Controlling the movement of the charging coil assembly 101 based on the first driving assembly and the second driving assembly, so as to align the charging coil assembly 101 with the receiving coil of the device to be charged; and

The device to be charged is charged based on the wireless charging apparatus.

Specifically, the present invention provides a wireless charging method. First, the wireless charging device according to any one of the above embodiments of the present invention is provided, and the power is turned on, so that the wireless charging device can work, and then the device to be charged is provided, The device to be charged is placed on the wireless charging device, and when the wireless charging device detects that the device to be charged is placed, it controls the first drive assembly and the second drive assembly, and further controls the For the movement of the charging coil assembly 101, in an example, the device placement determination component mentioned in the above embodiment may be set in the wireless charging device, which can determine whether there is a device to be charged after the wireless charging device is started It is placed on the wireless charging device, and then, when the charging coil assembly 101 moves to a position aligned with the receiving coil of the device to be charged, charging is performed.

In the charging method of the present invention, the charging coil assembly 101 can move, for example, can move in a plane parallel to the surface of the base 100 , wherein the first driving assembly drives the charging coil assembly 101 to move in moving in a first direction, the first direction may be any direction within the plane in which the charging coil assembly 101 moves, in addition, the second driving assembly drives the charging coil assembly 101 in the second direction When moving, the second direction can be any direction within the plane in which the charging coil assembly 101 moves. Further, there is an included angle between the first direction and the second direction, so that in the The charging coil assembly 101 can be moved under the action of the first driving assembly and the second driving assembly, so as to move the charging coil assembly 101 to a required position, that is, the preset position. The movement in one direction and the second direction may be moving back and forth along the first direction, and moving back and forth along the second direction. In an example, the first direction and the second direction are perpendicular to each other, for example, For a certain preset position, the charging coil assembly 101 may be moved to the first position by the first driving assembly, and then the charging coil assembly 101 may be moved from the charging coil assembly 101 from the The first position is moved to the preset position. Of course, the second drive assembly can also move the charging coil assembly 101 first, and then move the charging coil assembly 101 through the first drive assembly. Similarly, also It may be that the first driving assembly and the second driving assembly simultaneously drive the charging coil assembly 101 to move. In an example, if the initial position of the charging coil assembly 101 coincides with the preset position, the moving distance of the charging coil assembly 101 driven by the first driving assembly and the second driving assembly is zero. , that is, the charging coil assembly 101 does not move. Through the above solution, the present invention realizes that the charging coil assembly 101 can be moved, that is, the position of the transmitting end of the wireless charging device can be freely moved within a certain range, which can perfectly solve the problem of dislocation of the transmitting end coil and the receiving end coil, and can improve the charging area. The area of 107, which improves the charging efficiency, can be applied to different portable electronic devices, and has strong versatility.

As an example, the moving manner of the charging coil assembly 101 is selected from driving the charging coil assembly 101 to move in the first direction based on the first driving assembly and driving the charging coil assembly 101 based on the second driving assembly at least one of moving in the second direction, wherein when the second drive assembly is disposed on the first drive assembly, the first drive assembly drives the charging based on the second drive assembly The coil assembly 101 moves in the first direction.

Specifically, in an example, the second drive assembly is further disposed on the first drive assembly, and the second drive assembly can move on the first drive assembly, for example, in a sliding manner, Further, the second drive assembly drives the charging coil assembly 101 to move along the first direction. In an optional example, the second drive assembly moves along the first drive assembly in the same direction as the first drive assembly. In the same direction, the charging coil assembly 101 is disposed on the second driving assembly. When the second driving assembly moves on the first driving assembly, the charging coil assembly 101 is realized along the first driving assembly. direction move.

In addition, as shown in FIG. 2 , in an example, the second drive assembly moves on the first drive assembly, and the charging coil assembly 101 moves on the second drive assembly, so that the The charging coil can move to any position in an interval defined by the first driving component and the second driving component, that is, the charging area 107 . In the present invention, a chargeable area 107 can be defined by the first drive assembly and the second drive assembly, that is, the area to which the charging coil assembly 101 can move, so that the device to be charged can be charged in this area, Compared with the traditional wireless charging device, the effective charging area is greatly improved. In an example, the rechargeable area 107 may be a square area with rounded corners, as shown in FIG. 2 , wherein the radius R at the rounded corners is 21 mm, and the side length is 150 mm.

As an example, the first drive assembly includes a first guide rail 102, the second drive assembly includes a second guide rail 103, and one end of the second guide rail 103 is disposed on the first guide rail 102, and the second guide rail 103 The guide rail 103 can move along the first guide rail 102, wherein the charging coil assembly 101 is disposed on the second guide rail 103, and the charging coil assembly 101 can move along the second guide rail 103, in an example , the moving direction of the second guide rail 103 along the first guide rail 102 is consistent with the first direction, and the moving direction of the charging coil assembly 101 along the second guide rail 103 is consistent with the second direction.

Specifically, as shown in FIG. 2 and FIG. 3 , the first drive assembly includes a first guide rail 102 , the second drive assembly includes a second guide rail 103 , and the first guide rail 102 drives the charging coil assembly 101 moves in the first direction, and the second guide rail 103 drives the charging coil assembly 101 to move in the second direction, so as to move the charging coil assembly 101 to a predetermined position based on the first guide rail 102 and the second guide rail 103 . The location, in an example, can be that one end of the second guide rail 103 is sleeved on the first guide rail 102, so that the second guide rail 103 can move along the first guide rail 102, such as sliding, to realize the second guide rail 102. The drive assembly can move along the first drive assembly. In another optional example, the charging coil assembly 101 is disposed on the second guide rail 103. On the one hand, the second guide rail 103 can make the charging The coil assembly 101 moves along the second direction. For example, in an example, the charging coil assembly 101 can move along the second guide rail 103, and the moving direction is consistent with the second direction; on the other hand, The second guide rail 103 moves along the first guide rail 102, and then the second guide rail 103 drives the charging coil assembly 101 to move along the first guide rail 102. Optionally, the second guide rail 103 moves along the The moving direction of the first guide rail 102 is consistent with the first direction.

As an example, the first drive assembly further includes a third guide rail 104, the third guide rail 104 is arranged in parallel with the first guide rail 102, wherein the other end of the second guide rail 103 is arranged on the third guide rail 104 , and the second guide rail 103 can move along the third guide rail 104 . In an example, the direction in which the second guide rail 103 moves along the third guide rail 104 is the same as the first direction.

Specifically, as shown in FIG. 2 , the first drive assembly further includes a third guide rail 104 , wherein the first guide rail 102 and the third guide rail 104 are arranged on the base 100 in parallel and spaced apart. Further, the Both ends of the second guide rail 103 are respectively disposed on the first guide rail 102 and the third guide rail 104 , and both ends can move relative to the corresponding guide rails, wherein the first guide rail 102 and the third guide rail 102 The distance between the guide rails 104 is consistent with the length of the second guide rail 103, and the second guide rail 103 moves along the first guide rail 102 and the third guide rail 104 simultaneously, so that the charging coil assembly 101 can move along the first guide rail 101. The extension direction of the first guide rail 102 and the third guide rail 104 , ie, the movement in the first direction, and the movement of the charging coil assembly 101 along the extension direction of the second guide rail 103 , ie, the second direction.

As an example, the wireless charging apparatus further includes a transmission device disposed on the base 100 , wherein the transmission device drives the second drive assembly to move along the first drive assembly.

As an example, the transmission device includes a first-direction drive motor 105 disposed on the base 100 and a transmission belt 106 connected to the first-direction drive motor 105, wherein the first-direction drive motor 105 passes through the The transmission belt 106 drives the second drive assembly to move along the first drive assembly, and the direction in which the second drive assembly moves along the first drive assembly is consistent with the first direction.

Specifically, in an example, when the second drive assembly moves along the first drive assembly, it may be realized by the transmission device, that is, the transmission device drives and controls the second drive assembly to move in the first drive assembly. A drive assembly moves upward. In an optional example, the transmission device includes a first-direction drive motor 105 and a drive belt 106, wherein the first-direction drive motor 105 drives the drive belt 106 to drive the second drive The drive assembly moves. In an example, the first drive assembly includes a first guide rail 102 and a third guide rail 104, the second drive assembly includes a second guide rail 103, and both ends of the second guide rail 103 are respectively sleeved On the first guide rail 102 and the third guide rail 104 , the transmission belt 106 drives the second guide rail 103 to move under the operation of the driving motor 105 in the first direction.

As an example, the charging coil assembly 101 includes a carrier 101b and a charging coil disposed on the carrier 101b, and the wireless charging device further includes a second-direction driving motor 108 disposed on the base 100, wherein the The second direction driving motor 108 drives the charging coil assembly 101 to move along the second driving assembly based on the carrier 101b, and the direction in which the charging coil assembly 101 moves along the second driving assembly is the same as the second direction Consistent.

As an example, the second direction driving motor 108 is disposed on the carrier 101b, the charging coil 101a is integrated on a PCBA board, and is disposed on the carrier 101b through the PCBA board, and the PCBA The board is disposed above the second direction driving motor 108 .

Specifically, in an example, the charging coil assembly 101 is composed of a carrier 101b and a charging coil 101a disposed on the carrier 101b, wherein the carrier 101b may be a plate made of aluminum alloy, such as a circular shape. The carrier 101b, the charging coil is used as a transmitting coil, and can be coupled with the receiving coil of the device to be charged to realize wireless charging. In an example, the charging coil is disposed on the second driving component through the carrier 101b , when the second drive assembly includes the second guide rail 103 , the carrier 101 b is disposed on the second guide rail 103 . In an example, the charging coil 101a may be integrated on a PCB'A, and then disposed on the carrier 101b. In addition, the second direction driving motor 108 drives the charging coil assembly 101 along the first direction. Two-direction movement, in an example, the charging coil assembly 101 is disposed on the second driving assembly, such as disposed on the second guide rail 103, and the second direction driving motor 108 drives the charging coil assembly 101 moves along the second drive assembly, such as the second guide rail 103. In an optional example, the second direction drive motor 108 is disposed on the carrier 101b, thereby driving the charging coil assembly 101 Moving on the second guide rail 103, in an example, the second guide rail 103 may be a sliding rail, and the movement on the second guide rail 103 may be realized by means of a gear and a spur gear meshing transmission, To realize the movement of the charging coil assembly 101 on the second guide rail 103, in an example, the second direction driving motor 108 is disposed on the carrier 101b, and the function of the second direction driving motor 108 is Next, the carrier 101b, the charging coil 101a and the second direction driving motor 108 all move together on the second guide rail 103. In a further optional example, straight teeth are provided on the second guide rail 103 The second direction driving motor 108 is arranged on both ends of the gear matched with the spur gear rack, and the second direction driving motor 108 is arranged on the upper surface of the carrier, and the second guide rail 103 is located on the carrier 101b and located in Below the gear, further, the charging coil 101a is disposed above the second-direction driving motor 108 and on the carrier 101b, so that the second-direction driving motor 108 drives the charging coil 101a to move.

As an example, the wireless charging method further includes the step of: after the device to be charged is placed on the wireless charging device, detecting the position information of the device to be charged placed on the wireless charging device, and based on the The position information controls the movement of the charging coil assembly 101 to align the charging coil assembly 101 with the receiving coil of the device to be charged.

Specifically, in an example, when it is detected that the device to be charged is placed on the wireless charging device, the location of the device to be charged is detected to obtain its location information. After the device placement judging component detects that the device to be charged is placed, it transmits a signal to the location detection component, obtains the location information of the device to be charged through the location detection component, and then the location detection component The information is transmitted to the control driving component in the wireless charging device, and the control driving component performs calculation processing on it, and then controls the movement of the first driving component and the second driving component, so that the The charging coil assembly 101 is aligned with the receiving coil of the device to be charged.

Specifically, in an example, a detection component is included on the base 100, and the detection component may be directly disposed on the base 100, or may be disposed on the base 100 through other equipment. The component can be used to detect the position information of the device to be charged after the device to be charged is placed on the wireless charging device, which can be the position of the receiving coil of the device to be charged. In an example, as shown in FIG. 5 , The detection assembly may include a position detection array 300. For example, the position detection array 300 may be composed of several position detection sensors. In an example, the detection assembly and related position sensing components are defined on a large PCB'A. , the coil finds and fits in the appropriate position by moving, when the device to be charged is placed on the charging platform of the wireless charging device, such as the device to be charged placement area 203 of the cover 200, the position detection array 300 can detect the position of the receiving coil of the device to be charged, and obtain its position information. In a further example, the position detection component further includes a position detection processing chip 301, the position detection processing chip 301 and the position detection array 300. connected, can receive the position information obtained by the position detection array 300, and transmit the position information to other control components, so as to control the position of the charging coil assembly 101 based on the position information, and in addition, The position detection processing chip 301 can also process the received position information obtained by the position detection array 300, such as processing it into information in a form that can be received by the subsequent control components, so as to transmit the processed information to the subsequent control components. The control component, in an example, the MCU and the position detection chip jointly confirm the position of RX (Receive X, "X" represents the cross, that is, the wireless charging receiving end) and calculate the movement amount of the first driving component and the second driving component. The MCU drives the The motor control chip drives the motor to the target position, and the MCU drives the wireless charging chip to drive the charging module to work.

As an example, the wireless charging device further includes a control and drive assembly, which is disposed on the base 100 and connected to the position detection assembly for receiving the position information and controlling based on the position information The first driving component and the second driving component drive the charging coil component 101 to move, so as to align the charging coil component 101 with the receiving coil of the device to be charged. In one example, the control The driving component receives the position information and processes it to obtain movement information, and controls the first driving component and the second driving component to drive the charging coil component 101 to move based on the movement information, so as to charge the charging The coil assembly 101 is aligned with the receiving coil of the device to be charged.

Specifically, in an example, the wireless charging device further includes a control and drive assembly, and the control and drive assembly may be directly disposed on the base 100, or may be disposed on the base 100 through other structures, wherein all the The control driving component can receive the position information obtained by the detection component, or receive the information after the position detection processing chip 301 has processed the position information, and control the first driving component and the first driving component based on the above information after receiving the above information. The movement of the second drive assembly further moves the charging coil assembly 101 to a position corresponding to the position of the device to be charged for charging, wherein the control and drive assembly receives the above information, such as the position information, and then can The above information is processed, and the above information is converted into mobile information, for example, the position information is converted into the mobile information. In an example, the position information represents the position of the device to be charged placed on the wireless charging device. Placement position, the movement information represents the distance that the first drive assembly and the second drive assembly need to move, that is, the distance that the charging coil assembly 101 needs to move to a position corresponding to the device to be charged, in an example , the control and drive assembly includes a MUC (micro control unit 302), the micro control unit 302 receives the position information, performs calculation processing on it, and converts it into the movement information, further, in an example, The micro-control unit 302 is connected to the position detection processing chip 301, and performs calculation processing on the information received by the micro-control unit 302. In addition, in an optional example, the control driving component controls the first driving component and the The movement of the second drive assembly includes: the control drive assembly controls the movement of the first drive assembly and the second drive assembly through a motor based on the obtained movement information. For example, the micro-control unit 302 may transmit the movement information to the motor. The control chip 306 further controls the motor 307, such as the first direction driving motor 105 and the second direction driving motor 108, to move the motor carrying the wireless charging coil to the position corresponding to the receiving coil of the device to be charged, see shown in Figure 5.

In addition, the wireless charging device also includes a wireless charging chip 303, wherein after the wireless charging chip 303 is activated, the device to be charged can be charged, for example, the charging coil assembly 101 (transmitting coil) and the device to be charged are connected Electromagnetic induction is generated between the receiving coils for charging. In an example, the wireless charging chip 303 further controls the coil resonant circuit 305 (LC resonant circuit) by controlling the driving unit 304 (including Driver, driver chip and MOSFETs, and electronically controlled switches). The above-mentioned charging is realized, as shown in FIG. 5 , wherein the control and driving component is also connected with the wireless charging chip 303 . After the location information or the movement information, the wireless charging chip 303 is activated, thereby finally realizing the wireless charging of the device to be charged by the charging coil. In an example, after the control and driving component (eg, the micro-control unit 302 ) acquires the position information, the wireless charging chip 303 is activated at the same time, and the obtained position information or the processed movement information is transmitted to the wireless charging chip 303 at the same time. The motor control chip 306 further controls the movement of the charging coil assembly 101. When the charging coil assembly 101 moves to a position corresponding to the receiving coil of the device to be charged, wireless charging can be started, thereby saving charging time and improving charging efficiency. In another example, after obtaining the position information, the control and driving component (such as the micro-control unit 302 ) may first transmit the obtained position information or the processed movement information to the motor control chip 306 , and then Control the charging coil assembly 101 to move, when the charging coil assembly 101 moves to a position corresponding to the receiving coil of the device to be charged, the motor control chip 306 feeds back a signal that the position has been aligned to the control driving assembly, After obtaining the alignment feedback signal, the control and driving component starts the wireless charging chip 303 again, and then performs wireless charging of the device to be charged, as shown in FIG. 6 .

As an example, the wireless charging method further includes the step of: after the wireless charging device starts charging the device to be charged, detecting whether the charging of the device to be charged is completed, if the charging is not completed, continue charging; if the charging is completed , then continue to detect whether there are other devices to be charged, if so, repeat the steps of moving, aligning and charging the charging coil assembly 101 , if not, control the wireless charging device to stand by.

Specifically, in an example, it further includes the step of detecting whether the charging of the device to be charged is completed, wherein, in an example, the detection can be performed by the charging judgment component, if the charging judgment chip detects that the charging is not completed, then Keep continuing wireless charging, if it is detected that the charging is completed, the wireless charging chip 303 can be controlled to stop working, or the wireless charging device system can be controlled to automatically switch to standby mode, and the charging coil assembly 101 can be automatically reset. In addition, in an example, after it is detected that the charging is completed, it further includes the step of continuing to detect whether there are other devices to be charged placed on the wireless charging device. In an example, the device placement determination component can be used to determine whether there is Other equipment to be charged is placed. If there is, the signal is further transmitted to the position detection component for position detection and subsequent charging actions. If no other equipment to be charged is placed, the wireless charging device is controlled to be in standby mode.

Specifically, the wireless charging device is further provided with a charging judging component. In an example, the charging judging component includes a charging judging chip, and the charging judging chip can detect that the charging of the device to be charged is completed when the charging is completed. If the charging judging chip detects that the charging is not completed, it will continue to perform wireless charging. If it detects that the charging is completed, it can control the wireless charging chip 303 to stop working, or it can control the wireless charging device system to automatically switch to the standby mode. And make the charging coil assembly 101 reset automatically. In addition, in an example, an indicator light 202 is also provided on the housing. When the charging judgment chip detects that the charging is completed, it can control the indicator light at the same time. 202 lights up. In addition, a reset button 201 can also be provided on the casing, so that when charging is completed, the charging coil will automatically return to the initial position when the charging is completed. In some special cases, the device cannot normally return to the initial state When the reset button 201 is manually activated, the charging coil assembly 101 can be controlled to return to the initial position, that is, the charging coil assembly 101 can be reset by clicking the reset button 201. For example, after the reset button 201 is clicked, the microcontroller 302MCU obtains reset signal, and further control the motor through the motor control chip 306 to move the charging coil assembly 101 to the set initial position.

In addition, in an example, the wireless charging device is further provided with a device placement determination component, and the device placement determination component is connected to the charging determination component. In an example, the device placement determination component includes a device Place the judgment chip. The device placement judgment chip can receive the signal of the charging judgment chip. When the charging judgment chip detects that the charging of the device to be charged is completed, the device placement chip detects that the wireless charging device is still on. Other devices to be charged are put in, if there are, the signal is further transmitted to the position detection component for position detection and subsequent charging actions, if no other devices to be charged are placed, the wireless charging device is controlled to be in standby mode. In addition, in an example, the standby mode can also be displayed through the indicator light 202. In an example, the charging coil will automatically return to the initial position when the charging is completed. In some special cases, the device cannot function normally. When restoring the initial state, the reset button 201 can be manually activated to control the charging coil assembly 101 to return to the initial position.

In order to further illustrate the wireless charging device and the wireless charging method of the present invention, an implementation method of the whole machine function of an embodiment is provided. Referring to FIG. 6 , firstly, the step of placing the device to be charged 401 is executed, and then the position detection component is executed to detect the position In the step of information 402, after obtaining the position information, execute the step of calculating the movement information 403 by the MCU, then, after obtaining the position information of the receiving coil (RX coil) of the device to be charged, the MCU executes the step of starting the wireless charging chip 404, and at the same time, the MCU obtains the position After receiving the information, perform the step of motor control chip work 405, and then perform the step of moving the charging coil assembly to the corresponding position 406 by the motor, so that the motor moves the loaded coil to the corresponding position of the RX, thereby performing the step of starting wireless charging 407, and further, Execute the step of verifying whether the charging is completed 408, when the charging is not completed, execute the step of continuing the charging 409, when the charging is completed, execute the step of verifying whether the charging device is placed 410, when not, execute the wireless charging device in the standby mode Step 411, if any, repeat the steps of position detection and charging, and the execution process may refer to the description of this embodiment.

As an example, the wireless charging method further includes the step of: controlling the charging coil assembly 101 to return to an initial position based on the first driving component and the second driving component after the charging of the device to be charged is completed.

Specifically, in an example, after the charging of the device to be charged is completed, it further includes a step of controlling the charging coil assembly 101 to return to the initial position based on the first driving component and the second driving component, such as The charging judgment chip of the charging judgment component judges whether the charging is completed. After judging that the charging is completed, the signal is transmitted to the control driving component, such as the microcontroller unit 302MCU, and then the motor control chip 306 is used to control the motor to charge the coil assembly. 101 moves to the set initial position. Of course, the charging judging chip of the charging judging component can also give a charging completion signal through the indicator light 202 when judging that the charging is completed, and after the signal is displayed, the charging coil will automatically return to the initial position when the charging is completed. In some special cases, the reset button can be manually activated to control the charging coil assembly 101 to return to the initial position when the device cannot return to the initial state. key.

In summary, the present invention provides a wireless charging device and a wireless charging method. The wireless charging device at least includes a base, a first driving component, a second driving component and a charging coil component, wherein: the first driving component is provided with On the base, the charging coil assembly is driven to move in a first direction; the second driving assembly is disposed on the base and drives the charging coil assembly to move in a second direction, the first direction and the There is an included angle between the second directions, so as to move the charging coil assembly to a preset position based on the first drive assembly and the second drive assembly. Through the above solution, the present invention realizes the positional freedom problem of the charging coil assembly of the wireless charging device, can be applied to different portable electronic devices, has strong versatility, and the position of the transmitting end of the wireless charging device can be freely moved within a certain range, which can be perfectly Solving the dislocation problem between the transmitter coil and the receiver coil can increase the area of the chargeable area and improve the charging efficiency. In addition, through the design of the present invention, the charging time can be further shortened. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.

Claims (17)

1. A wireless charging device, characterized in that, the wireless charging device comprises at least a base, a first drive assembly, a second drive assembly and a charging coil assembly, wherein: the first drive assembly is arranged on the base, The charging coil assembly is driven to move in a first direction, the second driving assembly is disposed on the base, and the charging coil assembly is driven to move in a second direction, between the first direction and the second direction An included angle is provided to move the charging coil assembly to a preset position based on the first driving assembly and the second driving assembly. 2 . The wireless charging device according to claim 1 , wherein the second drive assembly is disposed on the first drive assembly, and the second drive assembly can move along the first drive assembly, 2 . Wherein, the first drive assembly drives the charging coil assembly to move in the first direction based on the second drive assembly. 3. The wireless charging device according to claim 1 or 2, wherein the first drive assembly comprises a first guide rail, the second drive assembly comprises a second guide rail, and one end of the second guide rail is provided with On the first guide rail, the second guide rail can move along the first guide rail, the charging coil assembly is arranged on the second guide rail, and the charging coil assembly can move along the second guide rail , wherein the moving direction of the second guide rail along the first guide rail is consistent with the first direction, and the moving direction of the charging coil assembly along the second guide rail is consistent with the second direction. 4 . The wireless charging device according to claim 3 , wherein the first driving assembly further comprises a third guide rail, the third guide rail is arranged in parallel with the first guide rail, wherein the second guide rail The other end of the guide rail is disposed on the third guide rail, the second guide rail can move along the third guide rail, and the moving direction of the second guide rail along the third guide rail is consistent with the first direction. 5 . The wireless charging device according to claim 2 , wherein the wireless charging device further comprises a transmission device, and the transmission device is arranged on the base, wherein the transmission device drives the second driver. 6 . The assembly moves along the first drive assembly. 6. The wireless charging device according to claim 5, wherein the transmission device comprises a first-direction drive motor disposed on the base and a transmission belt connected to the first-direction drive motor, wherein, The first direction drive motor drives the second drive assembly to move along the first drive assembly through the transmission belt. 7 . The wireless charging device according to claim 2 , wherein the charging coil assembly comprises a carrier and a charging coil arranged on the carrier, and the wireless charging device comprises a second charging coil arranged on the base. 8 . A direction driving motor, and the second direction driving motor drives the charging coil assembly to move along the second driving assembly based on the carrier. 8 . The wireless charging device according to claim 7 , wherein the second direction driving motor is arranged on the carrier, the charging coil is integrated on a PCBA board, and is arranged on the PCBA board through the PCBA board. 9 . on the carrier, and the PCBA board is arranged above the second direction driving motor. 9 . The wireless charging device according to claim 1 , wherein the wireless charging device further comprises a cover, the cover is disposed on the base, and the cover is connected to the base. 10 . An accommodating space is formed therebetween, and the first driving assembly, the second driving assembly and the charging coil assembly are all arranged in the accommodating space. 10. The wireless charging device according to claim 1 or 2, characterized in that, the wireless charging device further comprises a position detection component, the position detection component is disposed on the base, and is used for detecting that the device to be charged is placed on the base. location information on the wireless charging device. 11 . The wireless charging device according to claim 10 , wherein the wireless charging device further comprises a control and drive assembly, the control and drive assembly is disposed on the base and connected with the position detection assembly, and uses the 11 . receiving the position information and controlling the first drive assembly and the second drive assembly to drive the charging coil assembly to move based on the position information, so that the charging coil assembly and the receiving coil of the device to be charged alignment. 12 . The wireless charging device according to claim 10 , wherein the wireless charging device further comprises a charging judging component and a device placement judging component disposed on the base, wherein the charging judging component is used to detect Whether the charging of the device to be charged is completed, the device placement judging component is connected to the charging judging component, and is used to detect whether there is a wireless charging device on the wireless charging device when the charging judging component judges that the charging of the device to be charged is completed. Place other devices to be charged. 13. A wireless charging method, wherein the wireless charging method comprises the following steps: providing the wireless charging device according to any one of claims 1-12; providing a device to be charged, and placing the device to be charged on the wireless charging device; Controlling the movement of the charging coil assembly based on the first driving assembly and the second driving assembly, so as to align the charging coil assembly with the receiving coil of the device to be charged; and The device to be charged is charged based on the wireless charging apparatus. 14 . The wireless charging method according to claim 13 , wherein the wireless charging method further comprises the step of: after placing the device to be charged on the wireless charging device, detecting that the device to be charged is placed on the wireless charging device. 15 . position information on the wireless charging device, and control the movement of the charging coil assembly based on the position information, so as to align the charging coil assembly with the receiving coil of the device to be charged. 15 . The wireless charging method according to claim 13 , wherein the wireless charging method further comprises the step of: after the wireless charging device starts charging the device to be charged, detecting whether the device to be charged is charged. 16 . Complete, if charging is not completed, continue charging; if charging is completed, continue to detect whether there are other devices to be charged, if so, repeat the steps of moving, aligning and charging the charging coil assembly, if not, control the wireless The charging unit is on standby. 16 . The wireless charging method according to claim 13 , wherein the moving manner of the charging coil assembly is selected from driving the charging coil assembly to move in the first direction based on the first driving assembly and based on the first direction. 17 . The second drive assembly drives at least one of the charging coil assemblies to move in the second direction, wherein when the second drive assembly is disposed on the first drive assembly, the first drive The assembly drives the charging coil assembly to move in the first direction based on the second drive assembly. 17. The wireless charging method according to any one of claims 13-16, wherein the wireless charging method further comprises the step of: after the charging of the device to be charged is completed, based on the first driving component and the The second driving assembly controls the charging coil assembly to return to the initial position.

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