CN114944681B - A charging method and device - Google Patents
A charging method and deviceInfo
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- CN114944681B CN114944681B CN202210480290.9A CN202210480290A CN114944681B CN 114944681 B CN114944681 B CN 114944681B CN 202210480290 A CN202210480290 A CN 202210480290A CN 114944681 B CN114944681 B CN 114944681B
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- H02J7/70—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
- H02J50/23—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves characterised by the type of transmitting antennas, e.g. directional array antennas or Yagi antennas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本申请提供一种充电方法，应用于第一设备，具有用于保护和\或支撑所述第一设备的第一组件，所述方法包括，通过所述第一设备在预定范围内接收第二设备发送的能量需求信息；基于所述能量需求信息确定所述第一组件上天线阵面的能量发射参数；基于所述能量发射参数控制所述天线阵面发射能量信号，所述能量信号用于给所述第二设备进行充电。同时，本申请还提供一种第一设备。
This application provides a charging method applied to a first device, having a first component for protecting and/or supporting the first device. The method includes: receiving energy demand information transmitted by a second device within a predetermined range through the first device; determining energy transmission parameters of an antenna array on the first component based on the energy demand information; and controlling the antenna array to transmit an energy signal based on the energy transmission parameters, the energy signal being used to charge the second device. This application also provides a first device.
Description
Technical Field
The present application relates to charging technologies, and in particular, to a charging method and apparatus.
Background
The current radio frequency energy collection scheme mainly considers and utilizes the ubiquitous electromagnetic signal energy in the surrounding environment, such as wifi and GSM frequency band signals, but the maximum power which can be received by the signals is about-10 dBm, the efficiency of a rectifier is superposed, the power which can be converted into battery chemical energy is lower, so the current main application case is concentrated on an ultra-low power consumption IOT sensor, a wireless earphone and a low power consumption terminal need longer charging time, such as airpods single earphone battery capacity 93mAh, the maximum acquired power-10 dBm when the magnetic signal energy in the environment is used for charging, and 7000 hours are needed if the two earphones are fully charged to achieve 100% efficiency charging. Therefore, how to increase the charging requirement of low power consumption devices becomes a technical problem to be solved.
Disclosure of Invention
In view of this, it is desirable to provide a charging method and apparatus.
The technical scheme of the application is realized as follows:
According to an aspect of the present application, there is provided a charging method applied to a first device having a first component for protecting and/or supporting the first device, the method comprising,
Receiving, by the first device, energy demand information transmitted by a second device within a predetermined range;
Determining an energy transmission parameter of an antenna array plane on the first component based on the energy demand information;
and controlling the antenna array surface to transmit an energy signal based on the energy transmission parameter, wherein the energy signal is used for charging the second equipment.
In the above scheme, the energy demand information at least comprises at least one of electric quantity state information, battery load information and energy power parameters of the second equipment;
The determining the energy emission parameter of the antenna array plane on the first component based on the energy demand information at least comprises one of the following methods:
Controlling the antenna array to traverse all antenna transmitting beams in a beam forming network under the condition that the current electric quantity value of the second equipment is smaller than a first electric quantity threshold value based on the electric quantity state information, and determining a wave position point with maximum beam efficiency in the antenna transmitting beams;
Determining an energy reception power of the second device based on the battery load information; determining the energy receiving power as the energy transmitting power of the antenna array surface;
and receiving the energy power parameter sent by the second equipment, and determining the power corresponding to the energy power parameter as the energy transmitting power of the antenna array surface.
In the above scheme, at least the first component further comprises an energy emission unit;
the controlling the antenna array surface to traverse all antenna transmitting beams in the beam forming network, and determining the wave position point with the maximum beam efficiency in the antenna transmitting beams comprises the following steps:
Controlling the energy transmitting unit to transmit an energy signal, wherein the energy signal is distributed to each path of antenna unit in the antenna array surface through the beam forming network so as to transmit the energy signal to the second equipment through each path of antenna unit;
Receiving an echo signal returned by the second equipment based on the energy signal;
And determining the corresponding wave position point of the echo signal in the antenna transmitting wave beam as the wave position point with the maximum wave beam efficiency.
In the above scheme, the controlling the antenna array to emit the energy signal based on the energy emission parameter includes:
Determining a target antenna in the first equipment which is in an idle state at present, wherein the position of the target antenna is different from the position of the antenna array surface;
And controlling the antenna array surface and the target antenna to simultaneously transmit energy signals based on the energy transmission parameters.
In the above scheme, the method further comprises:
Detecting the current working state of the first equipment;
And if the working state represents that the first equipment is in an idle state and/or a charging state currently, executing the step of controlling the antenna array surface to transmit energy signals based on the energy transmission parameters.
In the above scheme, the method further comprises:
Detecting a charging signal on the first component;
If the charging signal is detected, determining that the first device is currently in a charging state.
In the above scheme, the method further comprises:
If the second devices are at least two, grouping the antenna units on the antenna array surface according to the number of the second devices, wherein each group of antenna units corresponds to one second device;
and controlling each group of antenna units in the antenna array surface to transmit energy signals to the corresponding second equipment based on the energy transmission parameters, wherein the energy signals are used for charging the corresponding second equipment.
According to another aspect of the present application, there is provided a charging method applied to a second device, the method including:
establishing a first communication connection with a first device within a predetermined range, and transmitting energy demand information to the first device through the first communication connection;
And receiving an energy signal sent by a first component of the first device based on the energy requirement information, wherein the energy signal is used for charging the second device, and the first component is used for protecting and/or supporting the first device.
In the above scheme, the establishing a first communication connection with the first device includes:
Controlling a first antenna unit in the second device to switch from a first path to a second path to establish the first communication connection with the first device through the second path;
Or enabling a second antenna element in the second device to establish the first communication connection with the first device through the second antenna element, the second antenna element being independent of the first antenna element.
According to a third aspect of the present application there is provided a first device comprising:
a body;
The first component is used for protecting and/or supporting the body and is provided with an antenna array surface;
a signal receiving component for receiving the energy demand information sent by the second device within a predetermined range;
And the controller is used for determining an energy emission parameter of the antenna array surface on the first component based on the energy demand information, and controlling the antenna array surface to emit energy based on the energy emission parameter, wherein the energy is used for charging the second equipment.
According to the charging method and the charging device, the first component for protecting and/or supporting the first device is used for transmitting the energy signal to the second device so as to charge the second device, so that the receiving power of the second device for receiving the energy signal can be improved, and the charging duration of the second device is reduced.
Drawings
FIG. 1 is a schematic diagram showing a process implementation of a charging method according to the present application;
FIG. 2 is a schematic diagram II illustrating a charging method according to the present application;
FIG. 3 is a schematic diagram III illustrating a charging method according to the present application;
FIG. 4 is a schematic diagram showing the structural components of a first apparatus according to the present application;
FIG. 5 is a schematic diagram showing the structural components of a first apparatus according to the present application;
FIG. 6 is a schematic diagram III of the structural composition of the electronic device according to the present application;
FIG. 7 is a schematic diagram showing the structural components of a second apparatus according to the present application;
FIG. 8 is a schematic diagram of a second embodiment of the second apparatus of the present application;
fig. 9 is a schematic diagram of the structural composition of the second apparatus according to the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. Embodiments of the application and features of the embodiments may be combined with one another arbitrarily without conflict. The steps illustrated in the flowchart of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, while a logical order is depicted in the flowchart, in some cases, the steps depicted or described may be performed in a different order than presented herein.
As described above, for the low power consumption terminal, a longer charging time is required for charging by using the electromagnetic energy signal, and by using the scheme provided in the application, the first component of the first device can be protected and/or supported to transmit the energy signal to the second device, so as to charge the second device, and the receiving power of the second device for receiving the energy signal can be improved, thereby reducing the charging duration of the second device.
The technical scheme of the application is further elaborated below by referring to the drawings in the specification and the specific embodiments.
Fig. 1 is a schematic diagram of a flow implementation of a charging method according to the present application, as shown in fig. 1, including:
step 101, receiving energy demand information sent by a second device in a preset range through a first device;
Step 102, determining an energy emission parameter of an antenna array plane on the first component based on the energy demand information;
And step 103, controlling the antenna array surface to emit an energy signal based on the energy emission parameter, wherein the energy signal is used for charging the second equipment.
In the application, the method can be applied to first equipment, and the first equipment can be a tablet personal computer, a mobile phone, an electronic book and other terminals with the volume larger than the preset size. Here, the size of the first device may determine the output power of the energy emitting end of the first device, so theoretically, the larger the size of the first device, the larger the output power, and the faster the charging speed of the second device. As shown in equation (one):
Wherein, P r is the received power, P t is the transmitted power, G t is the power gain of the transmitting antenna, G r is the power gain of the receiving antenna, D is the distance between the transmitter and the receiver in meters, and lambda is the wavelength in meters, which is equal to 300/fMHz. The received power is a function of the square of the wavelength. Thus, the lower the frequency, the greater the received power. Whereas the first device is bulky, P t and G t would be large. Therefore, the application can increase the energy transmitting power of the transmitting end (the first equipment end) by utilizing the advantage of large volume of the first equipment without adding other extra components.
In the present application, the first device has a first component for protecting and/or supporting the first device body, for example, the first component may be a protective cover, a support frame, a Folio accessory, or the like of the first device. When the first component is the protective cover, the protective cover can be a rear cover of the first device, the rear cover and the first device can be of an integrated structure or in snap connection with a body of the first device, and when the first component is a protective cover, a Folio accessory or a support frame, the protective cover, the Folio accessory or the support frame can be physically separated from the first device and exist independently. An antenna array surface can be arranged on the first component, and the second equipment can be charged by controlling the antenna array surface to emit energy signals. Since the first device is generally large in size, the charging efficiency of the second device can be improved by charging the second device through the first component of the first device.
In the application, a Bluetooth chip and/or a WIFI chip are arranged in the first equipment, and can be in communication connection with the second equipment through the Bluetooth chip and/or the WIFI chip, and the energy demand information sent by the second equipment can be received within a preset range based on the communication connection. Here, the predetermined range may refer to a preset distance range, and the distance range is related to the bluetooth chip or the WIFI chip. The predetermined range may be a distance range corresponding to the bluetooth chip when the first device is communicatively connected to the second device through the bluetooth chip, and the predetermined range may be a distance range corresponding to the WIFI chip when the first device is communicatively connected to the second device through the WIFI chip.
Here, the bluetooth chip and the WIFI chip may be disposed on a motherboard of the first device, or may be disposed on a first component of the first device, where a specific location of the bluetooth chip and the WIFI chip is not limited.
In the present application, the second device may include state of charge information, battery load information, or energy power parameters of the second device, or any combination thereof, when transmitting the energy demand information to the first device.
If the energy demand information is the electric quantity state information, the first device can determine the current electric quantity value of the second device based on the electric quantity state information, compare the current electric quantity value of the second device with a first electric quantity threshold value, if the comparison result indicates that the current electric quantity value of the second device is smaller than the first electric quantity threshold value, and indicate that the current electric quantity of the second device is insufficient, the first device can control an antenna array surface on the first component to traverse all antenna transmitting beams in a beam forming network so as to determine a wave position with the maximum beam efficiency in the antenna transmitting beams, and then determine energy transmitting power and energy transmitting direction corresponding to the wave position with the maximum beam efficiency as target transmitting power and target transmitting direction of the antenna array surface on the first component. And then controlling the antenna array surface emission energy signal on the first component based on the target emission power and the target emission direction to charge the second device.
For example, the first power threshold is 50%, 30% or 20% of the total power threshold of the second device.
The first device may determine an energy reception power of the second device based on the battery load information if the energy demand information is the battery load information, and then determine the energy reception power as an energy transmission power of an antenna array plane on the first component, and control the antenna array plane on the first component to transmit an energy signal based on the energy reception power to charge the second device.
If the energy requirement information is the energy power parameter, the first device may determine the power corresponding to the energy power parameter as the energy transmitting power of the antenna array surface on the first component, and may control the antenna array surface on the first component to transmit an energy signal based on the power corresponding to the energy power parameter, so as to charge the second device.
Here, the second device may be a low power device, for example, a bluetooth headset, a smart glasses, a smart watch, a hearing aid, or the like.
The first device controls the antenna array surface in the first device to traverse all the antenna transmitting beams in the beam forming network so as to determine the wave position with the maximum beam efficiency in the antenna transmitting beams, the energy transmitting unit in the first device can be controlled to transmit energy signals, the energy signals transmit the energy signals to the second device through the antenna units in the antenna array surface, the second device can transmit echo signals of the energy signals to the first device after receiving the energy signals, and the first device can determine the wave position corresponding to the echo signals in the antenna transmitting beams as the wave position with the maximum beam efficiency after receiving the echo signals returned by the second device based on the energy signals.
Here, the energy transmitting unit includes, but is not limited to, a bluetooth chip, a WIFI chip.
In the application, the threshold value or threshold value range of the energy transmitting power can be preset in the second equipment, when the second equipment needs to be charged, the threshold value or threshold value range of the energy transmitting power can be sent to the first equipment, and the first equipment can control the antenna array surface on the first component to transmit energy signals to the second equipment according to the energy transmitting power in the threshold value or threshold value range of the energy transmitting power so as to charge the second equipment.
In the application, when the first device controls the antenna array surface on the first component to transmit the energy signal based on the energy transmission parameter, the first device can also carry out antenna multiplexing with the target antenna on the first device. That is, the first device may also detect a current usage state of other antennas in the first device, and if the detection result indicates that the first device has a target antenna in an idle state, control the antenna array plane on the first component and the target antenna in the first device to transmit energy signals simultaneously based on the energy transmission parameter. In this way, the power consumption of the first device can be reduced.
Here, the position of the target antenna is different from the position of the antenna array plane on the first component. For example, the target antenna is located at the periphery of the frame of the first device, and the antenna array surface is located on the back cover of the first device. Or the target antenna is positioned in a first area of the back cover of the first device, the antenna array surface is positioned in a second area of the back cover of the first device, and the first area and the second area have preset distances so as to prevent the antennas of the first area and the second area from generating signal interference.
In one scenario, a user is watching a local video using a tablet computer, the local video does not need to use a network, so that the tablet computer can detect that a target antenna on the tablet computer is in an idle state, and in another scenario, the user is performing video chat using the tablet computer, and the tablet computer can detect that the target antenna on the tablet computer is currently in an occupied state because the video chat needs to use the network to transmit signals.
Here, the target antenna may refer to an antenna for signal transmission with the base station for data transmission between the first device and other devices. The antenna array on the first component may refer to an antenna for transmitting an energy signal to the second device for charging the second device.
In the present application, in order to reduce the power consumption of the first device, the first device may further detect the current working state of the first device, and if the detection result indicates that the first device is currently in an idle state and/or a charging state, any of the method steps from step 101 to step 103 is performed.
In one implementation, the first device may detect a total occupancy parameter of a central processing unit (CPU, central Processing Unit) of the first device, and determine that the first device is currently in an idle state if the total occupancy parameter of the CPU is less than a parameter threshold.
In another implementation, the first device may detect a charging signal on the first component and determine that the first device is currently in a charged state if the charging signal is detected.
Here, a universal serial bus (USB, universal Serial Bus interface) may be provided on a first component of the first device, and when a signal of the USB interface on the first component is detected, it is determined that the first device is currently in a charged state.
Here, a POGO PIN (POGO PIN) interface may be further provided on the first component of the first device, and when a signal of the POGO PIN interface on the first component is detected, it is determined that the first device is currently in a charged state.
In the application, when the first device controls the antenna array on the first component to emit the energy signal to the second device, the energy signal can be obtained from the Bluetooth chip and the WIFI chip in the first device through the POGO PIN interface on the first component.
In the present application, the first device may further receive energy demand information sent by a plurality of second devices within a set distance range, determine the number of the second devices according to the number of the received energy demand information, and then group antenna units on an antenna array plane on the first component according to the number of the plurality of second devices, where each group of antenna units corresponds to one second device. And then controlling each group of antenna units to transmit an energy signal to the corresponding second device based on the corresponding energy transmission parameter determined by the energy demand information transmitted by each second device, wherein the energy signal is used for charging the corresponding second device.
For example, the first device is a tablet computer, the tablet computer receives energy demand information sent by two second devices (such as a bluetooth headset and a smart watch) within a preset bluetooth distance range, the antenna units on an antenna array surface on a first component (such as a rear cover) of the tablet computer are divided into two groups (for example, 100 antenna units are arranged on the antenna array surface, 100 antenna units are divided into a group A and a group B, and each group is 50 antenna units), then, based on the energy demand information sent by the bluetooth headset, it is determined that the energy power required by the bluetooth headset is A1, then the antenna units of the group A are controlled to provide energy signals for the bluetooth headset with the energy power A1 to achieve charging of the bluetooth headset, and based on the energy demand information sent by the smart watch, it is determined that the energy power required by the smart watch is B1, then the antenna units of the group B are controlled to provide energy signals for the smart watch with the energy power B1 to achieve charging of the smart watch. Thus, the purpose of simultaneously charging a plurality of low-power consumption devices can be achieved.
In the application, the first device can also determine the current electric quantity state parameter of the second device in the process of transmitting the energy signal to the second device, compare the current electric quantity state parameter of the second device with the second electric quantity threshold value, and if the comparison result indicates that the current electric quantity state parameter of the second device is greater than or equal to the second electric quantity threshold value, control the antenna array surface on the first component to stop transmitting the energy signal to the second device.
For example, the second power threshold is 95%, 98% or 100% of the total power of the second electronic device.
The first device may receive the electric quantity state parameter sent by the second device during the process of providing the second device with the charging energy, and may also send an acquisition request of the electric quantity state to the second device during the process of providing the second device with the charging energy, where the second device sends the current electric quantity state parameter of the second device to the first device based on the acquisition request.
In the application, the first device can also detect the connection state between the second device and the first device in a preset range based on the communication connection with the second device, and if the second device is detected to be disconnected with the first device, the antenna array surface on the first component is controlled to stop transmitting energy signals to the second device.
In the application, the first device can emit at least one of directional radio frequency energy signals, WIFI radio frequency signals and millimeter wave energy signals when controlling the antenna array surface on the first component to emit energy signals based on the energy emission parameters.
The application realizes the emission of the energy signal to the second equipment by utilizing the first component for protecting and/or supporting the first equipment so as to charge the second equipment, and can improve the receiving power of the second equipment for receiving the energy signal, thereby reducing the charging time of the second equipment.
Fig. 2 is a schematic diagram ii of a flow implementation of the charging method according to the present application, as shown in fig. 2, including:
Step 201, the first device turns on a "provide radio frequency energy to other devices" in the setting;
step 202, a first device detects a charging signal on a first component;
Here, the charging signal includes at least one of a POGO PIN signal and a USB signal, and it may be determined whether the first device is in a connected state with the charged cover through the charging signal.
Step 203, the first device establishes communication connection with the second device through bluetooth protocol or WIFI protocol;
Step 204, when it is determined that the second device needs to be charged, controlling the antenna array surface on the first component to start transmitting energy signals;
Here, the energy signal includes, but is not limited to, a signal of 2G, 3G, 4G, 5G frequency band, a signal of WIFI frequency band, a signal of millimeter wave band.
Here, the first component may be provided with a radio frequency amplifying circuit, a beam forming network (or a multi-beam network), and a phase shifting circuit, where the antenna array plane in the first component is formed by a plurality of antenna units, and each antenna unit corresponds to one radio frequency amplifying circuit and one phase shifting circuit. When the first device controls the antenna array surface on the first component to emit the energy signal, the energy emission unit in the first device emits the radio frequency signal, the radio frequency signal is distributed to the radio frequency amplifying circuit and the phase shifting circuit of each path through the beam forming network, and the radio frequency signal is processed by the radio frequency amplifying circuit and the phase shifting circuit of each path and then is sent to each path of antenna unit, and then is radiated out through the antenna unit of each path. The radiated rf signals may spatially combine into a single overall directional antenna beam.
Here, the first component may be provided with a POGO PIN interface through which the radio frequency amplifying circuit and the phase shifting circuit, the beam forming network are powered.
Step 205, the first device determines the wave position point with the maximum beam efficiency, and continuously controls the antenna array surface to transmit energy signals;
And 206, receiving a charging state parameter sent by the second device, and if the charging state parameter is greater than or equal to an electric quantity threshold value, controlling an antenna array surface on the first component to stop transmitting energy signals.
Fig. 3 is a schematic diagram III illustrating a flow implementation of the charging method according to the present application, as shown in fig. 3, including:
step 301, establishing a first communication connection with a first device within a predetermined range, and transmitting energy requirement information to the first device through the first communication connection;
Step 302, receiving an energy signal sent by a first component of the first device based on the energy requirement information, where the energy signal is used to charge the second device, and the first component is used to protect and/or support the first device.
In the application, the charging method is applied to the second device, and the second device can be a low-power Bluetooth headset, a smart watch, a smart bracelet, a smart glasses and the like. The second device may be communicatively coupled to the first device via a bluetooth protocol or a WIFI protocol. An energy signal transmitted by the first device is received over the communication connection. The second equipment is provided with a matching circuit, a rectifying circuit and a load circuit, and when the second equipment receives the energy signal transmitted by the first equipment through the communication connection, the energy signal reaches the battery of the second equipment after being processed by the matching circuit, the rectifying circuit and the load circuit.
In the application, the second equipment can also detect the use state of the second equipment, and if the detection result indicates that the second equipment is in the use state currently, the first antenna unit in the second equipment is controlled to be switched from the first path to the second path so as to establish the first communication connection with the first equipment through the second path, so that the purpose of acquiring the charging energy from the first equipment end can be realized by multiplexing the original antenna on the second equipment without adding the antenna.
Of course, in order to ensure the performance of the earphone, an antenna unit may be added to the second device, and when the second device is detected to be in a use state currently, the second antenna unit in the second device is enabled, so as to establish the first communication connection with the first device through the second antenna unit.
Here, the second antenna element is independent of the first antenna element.
In one implementation, the second device may detect a connection between the second device and a charging assembly for providing electrical energy to the second device, and if the connection characterizes the second device in a disconnected state from the charging assembly, determine that the second device is currently in use, and perform the step of establishing a first communication connection with the first device.
For example, the second device is a Bluetooth headset, the charging component for providing the second device with electric energy is a headset box, when the Bluetooth headset is taken from the headset box, the second device is characterized as being in a use state, when the Bluetooth headset is positioned in the headset box, the second device is characterized as being in an unused state, and the Bluetooth headset can be charged through the headset box.
In another implementation, the second device may detect a current sound signal, and if a sound signal is detected, determine that the second device is currently in use, and perform the step of establishing a first communication connection with the first device.
For example, the second device is a bluetooth headset, and the current bluetooth headset is outputting sound, and the current bluetooth headset is characterized as being in use. In this case, it is necessary to use an additional antenna unit, so that the earphone can be charged while outputting sound.
In the application, when the second device receives the charging energy from the first device by multiplexing the original antenna in the second device, a switch circuit can be arranged in the second device, and the switch circuit is controlled to realize the switching of the first antenna unit from the first path to the second path.
Fig. 4 is a schematic structural diagram of a first apparatus according to the present application, as shown in fig. 4, a first apparatus 400 includes:
the device comprises a body 401, a first component 402, a signal receiving component 403 and a controller 404, wherein the first component 402 is used for protecting and/or supporting the body 401, an antenna array surface 4021 is arranged on the first component 402, the signal receiving component 403 is arranged in the body 401 and is used for receiving energy demand information sent by the second device 500 within a preset range, the controller 404 is arranged in the first component 402 or the body 401 and is used for determining energy emission parameters of the antenna array surface 4021 on the first component 402 based on the energy demand information, and the antenna array surface 4021 is controlled to emit energy signals based on the energy emission parameters, wherein the energy signals are used for charging the second device 500.
Here, the signal receiving component 403 includes, but is not limited to, a bluetooth chip, a WIFI chip. The first device 400 may establish communication connection with the second device 500 through a bluetooth chip or a WIFI chip, and perform information interaction with the second device 500 within a predetermined distance range corresponding to the bluetooth chip or the WIFI chip.
The first component 402 includes, but is not limited to, a protective cover, a protective sheath, a bracket, a Folio accessory. The protection cover is also referred to as a rear cover of the first device 400, and is integrally formed with the body 401 or is engaged with the body 401. The protective sheath, stent, folio attachment may be physically separate from the body 401, alone.
Here, the meaning of separately exists may mean that the first device 400 may be sold separately or may be sold together as an accessory of the first device 400.
In the present application, the signal receiving element 403, the controller 404 and the antenna array 4021 are disposed inside the first device 400, and are shown by dotted lines.
In a preferred embodiment, the first component 402 may further include a radio frequency transmitter 4022 configured to transmit radio frequency signals, where the radio frequency signals include, but are not limited to, signals in frequency bands such as 2G, 3G, 4G, 5G, bluetooth, WIFI, and the like.
A beamforming network 4023, a radio frequency amplifying circuit 4024, and a phase shifting circuit 4025 may also be provided in the first component 402. The antenna array 4021 in the first component 402 is composed of a plurality of antenna units, and each antenna unit corresponds to a radio frequency amplifying circuit 4024 and a phase shifting circuit 4025. When the first device 400 controls the antenna array plane 4021 on the first component 402 to transmit an energy signal, specifically, after the radio frequency transmitter 4022 in the first component 402 transmits a radio frequency signal, the radio frequency signal is distributed to each path of radio frequency amplifying circuit 4024 and phase shifting circuit 4025 through the beam forming network 4023, and the radio frequency signal is processed by each path of radio frequency amplifying circuit 4024 and phase shifting circuit 4025 and then is transmitted to each path of antenna unit, and then is radiated through each path of antenna unit. The radiated rf signals may spatially combine into a single overall directional antenna beam.
The first component 402 may also be provided with a charging interface 4026, and the beamforming network 4023, the radio frequency amplifying circuit 4024 and the phase shifting circuit 4025 may be powered by the charging interface 4026.
Here, the charging interface 4026 includes, but is not limited to, a USB interface and a POGO PIN interface, as long as the interface can implement a charging function.
In a preferred embodiment, a System On Chip (SOC) 4011 may be disposed in the body 401, and the beamforming network 4023, the rf amplifying circuit 4024, and the phase shifting circuit 4025 may be electrically powered by the SOC 4011.
It should be noted that, the first device provided in the foregoing embodiment and the charging method embodiment provided in the foregoing embodiment belong to the same concept, and specific implementation processes of the first device are detailed in the method embodiment, which is not described herein again.
Fig. 5 is a schematic diagram of a second structural component of the first device according to the present application, as shown in fig. 5, where the first device includes:
A receiving unit 501, configured to receive, within a predetermined range, energy demand information sent by a second device through a first component of a first device, where the first component is configured to protect and/or support the first device;
a determining unit 502, configured to determine an energy transmission parameter of an antenna array plane on the first component based on the energy requirement information;
and a control unit 503, configured to control the antenna array to emit an energy signal based on the energy emission parameter, where the energy signal is used to charge the second device.
In a preferred scheme, the energy demand information at least comprises at least one of electric quantity state information, battery load information and energy power parameters of the second equipment;
a determining unit 502 further configured to determine a current power value of the second device based on the power status information;
The control unit 503 is further configured to control the antenna array plane to traverse all antenna transmit beams in the beamforming network if the current electric quantity value is less than a first electric quantity threshold;
The determining unit 502 is specifically further configured to determine a wave position with maximum beam efficiency in the antenna transmitting beam, and determine energy transmitting power and energy transmitting direction corresponding to the wave position with maximum beam efficiency as the target transmitting power and the target transmitting direction of the antenna array plane.
In a preferred embodiment, the determining unit 502 is further specifically configured to determine an energy receiving power of the second device based on the battery load information, and determine the energy receiving power as an energy transmitting power of the antenna array plane.
In a preferred embodiment, the determining unit 502 is specifically further configured to determine power corresponding to the energy power parameter sent by the second device as energy transmitting power of the antenna array plane.
Preferably, the first component further includes at least an energy emitting unit 504;
The control unit 503 is further configured to control the energy transmitting unit 504 to transmit an energy signal, where the energy signal is distributed to each path of antenna unit in the antenna array plane through the beam forming network, so as to transmit the energy signal to the second device through each path of antenna unit;
a receiving unit 501, configured to receive an echo signal returned by the second device based on the energy signal;
The determining unit 502 is further configured to determine a corresponding wave position of the echo signal in the antenna transmitting beam as a wave position with maximum beam efficiency.
In a preferred solution, the determining unit 502 is further configured to determine a target antenna in the first device, where the target antenna is currently in an idle state, and a position of the target antenna is different from a position of the antenna array plane;
the control unit 503 specifically controls the antenna array plane and the target antenna to simultaneously transmit energy signals based on the energy transmission parameters.
In a preferred embodiment, the first device further includes:
A detecting unit 505, configured to detect a current working state of the first device;
the control unit 503 is further configured to control the antenna array to transmit an energy signal based on the energy transmission parameter if the operating state indicates that the first device is currently in an idle state and/or a charging state.
In a preferred embodiment, the detecting unit 505 is further configured to detect a charging signal on the first component;
the determining unit 502 is further configured to determine that the first device is currently in a charging state if the charging signal is detected.
In a preferred embodiment, the first device further includes:
a grouping unit 506, configured to group, if the second devices have at least two antenna units on the antenna array plane according to the number of the second devices;
The control unit 503 is further configured to control each group of antenna units in the antenna array plane to transmit an energy signal to the corresponding second device, where the energy signal is used to charge the corresponding second device, based on the energy transmission parameter.
It should be noted that, when the first device transmits the energy signal to the second device, only the division of the program modules is used for illustration, and in practical application, the process may be distributed by different program modules according to needs, that is, the internal structure of the apparatus is divided into different program modules to complete all or part of the processes described above. In addition, the first device provided in the foregoing embodiment and the processing method embodiment provided in the foregoing embodiment belong to the same concept, and specific implementation processes of the first device are detailed in the method embodiment and are not repeated herein.
The embodiment of the application also provides an electronic device comprising a processor and a memory for storing a computer program capable of running on the processor,
Wherein the processor is configured to execute any of the method steps of the above-described processing method when the computer program is run.
Fig. 6 is a schematic diagram of the structural components of an electronic device 600 according to the present application, which may be a mobile phone, a computer, a digital broadcasting terminal, an information transceiver, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc. The electronic device 600 shown in fig. 6 comprises at least one processor 601, a memory 602, at least one network interface 604 and a user interface 603. The various components in the electronic device 600 are coupled together by a bus system 605. It is understood that the bus system 605 is used to enable connected communications between these components. The bus system 605 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various buses are labeled as bus system 605 in fig. 6.
The user interface 603 may include, among other things, a display, keyboard, mouse, trackball, click wheel, keys, buttons, touch pad, or touch screen, etc.
It is to be appreciated that the memory 602 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory.
The memory 602 in embodiments of the application is used to store various types of data to support the operation of the electronic device 600. Examples of such data include any computer programs for operating on the electronic device 600, such as an operating system 6021 and application programs 6022, contact data, phonebook data, messages, pictures, audio, and so forth. The operating system 6021 contains various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The applications 6022 may include various applications such as a media player (MEDIA PLAYER), browser (Browser), etc. for implementing various application services. The program for implementing the method of the embodiment of the present application may be included in the application 6022.
The method disclosed in the above embodiment of the present application may be applied to the processor 601 or implemented by the processor 601. The processor 601 may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 601 or instructions in the form of software. The Processor 601 may be a general purpose Processor, a digital signal Processor (DSP, digital Signal Processor), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. Processor 601 may implement or perform the methods, steps and logic blocks disclosed in embodiments of the present application. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiment of the application can be directly embodied in the hardware of the decoding processor or can be implemented by combining hardware and software modules in the decoding processor. The software modules may be located in a storage medium in the memory 602 and the processor 601 reads information in the memory 602 and in combination with its hardware performs the steps of the method as described above.
In an exemplary embodiment, the electronic device 600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, programmable logic devices (PLDs, programmable Logic Device), complex Programmable logic devices (CPLDs, complex Programmable Logic Device), field-Programmable gate arrays (FPGAs), general purpose processors, controllers, microcontrollers (MCUs, micro Controller Unit), microprocessors (microprocessors), or other electronic elements for performing the aforementioned methods.
In an exemplary embodiment, the present application also provides a computer-readable storage medium, such as a memory 602, comprising a computer program executable by the processor 601 of the electronic device 600 to perform the steps of the method described above. The computer readable storage medium may be FRAM, ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disk, or CD-ROM, or various devices including one or any combination of the above, such as mobile phones, computers, tablet devices, personal digital assistants, etc.
A computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs any of the method steps of the above-described processing method.
Fig. 7 is a schematic diagram of the structural composition of a second apparatus according to the present application, as shown in fig. 7, the second apparatus 700 includes:
An establishing unit 701 for establishing a first communication connection with a first device within a predetermined range;
a transmitting unit 702, configured to transmit energy requirement information to the first device through the first communication connection;
A receiving unit 703, configured to receive an energy signal sent by a first component of the first device based on the energy requirement information, where the energy signal is used to charge the second device, and the first component is used to protect and/or support the first device.
In a preferred embodiment, the second device further comprises:
A control unit 704 for controlling the switching of the first antenna unit in the second device from the first path to the second path;
An establishing unit 701, in particular, may establish the first communication connection with the first device through the second path;
In a preferred embodiment, the control unit 704 is further configured to control enabling of a second antenna unit in the second device;
The establishing unit 701 may specifically establish the first communication connection with the first device through the second antenna unit, where the second antenna unit and the first antenna unit are independent from each other.
It should be noted that, when the second device provided in the above embodiment charges the energy signal transmitted by the first device, only the division of the program modules is used for illustration, and in practical application, the process allocation may be performed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules to complete all or part of the processes described above. In addition, the second device provided in the foregoing embodiment and the processing method embodiment provided in the foregoing embodiment belong to the same concept, and specific implementation processes of the second device are detailed in the method embodiment and are not repeated herein.
Fig. 8 is a schematic structural diagram of a second apparatus according to the present application, and as shown in fig. 8, the second apparatus 800 includes:
The device comprises a body 801, an energy harvesting module 802, a controller 803, and a battery 804, wherein the energy harvesting module 802 is configured to receive an energy signal transmitted by a first device, and to charge the battery 804 based on the energy signal.
Here, the second device may establish a communication connection with the first device within a predetermined range through a bluetooth protocol or a WIFI protocol, and the controller 803 may control the second device to transmit the energy demand information to the first device based on the communication connection. The energy demand information includes, but is not limited to, at least one of quantity state information, battery load information, energy power parameters. The energy harvesting module 802 may receive an energy signal transmitted by the first component of the first device based on the energy demand information, through which the battery 804 may be charged.
Here, the first component is a protective shell, a protective cover, a bracket, etc. for protecting and/or supporting the first device.
The antenna array plane on the first component can traverse all antenna beams in the beam forming network and send energy signals to the second device before the first device starts to charge the second device, and when the energy signals are received by the energy collecting module 802 in the second device, the controller 803 can determine a wave position point with maximum beam efficiency and maximum energy power in the energy signals, and the second device is controlled to send the wave position point with maximum beam efficiency to the first device through a bluetooth protocol or a WIFI protocol. So that the first device transmits an energy signal to the second device based on the wave position point where the beam efficiency is the greatest.
In the present application, the second device may have a first antenna unit 805, and the energy signal transmitted by the first device may be received through the first antenna unit 805.
Here, the first antenna unit 805 may be an antenna for data transmission where the second device is originally present, that is, the energy collecting module 802 may be multiplexed with an antenna that is originally present in the second device, thereby reducing antenna costs.
Here, the first antenna unit 8025 may transmit the same frequency signal as the transmitting end in the first device.
In the present application, the energy collecting module 802 may include a matching circuit 8021, a rectifying circuit 8022, a load circuit 8023 and a controller 8024, and when an energy signal emitted by a first device is received through a first antenna unit 805 in a second device 800, the energy signal may enter the rectifying circuit 8022 as much as possible through the matching circuit 8021, and then the energy signal may be converted into a direct current signal required by a battery 804 through the rectifying circuit 8022, and then the direct current signal may enter the battery 804 through the load circuit 8023.
In one implementation, the controller 803 may determine that the second device is currently in a worn state, or in an off state with a charging assembly for charging the second device, based on a current usage state of the second device, control the first antenna unit 805 to switch from the first pathway to the second pathway such that the first antenna unit 805 establishes a communication connection with the first device through the second pathway.
For example, the second device is a bluetooth headset, the charging component for charging the bluetooth headset may be a headset box, and when the bluetooth headset is not in the headset box, the bluetooth headset is determined to be in a use state, and when the bluetooth headset is in the headset box, the bluetooth headset is determined to be in a charging state. Or detecting a current sound signal of the Bluetooth headset, and if the current sound signal is detected, indicating that the Bluetooth headset is outputting sound, and representing that the Bluetooth headset is in a use state.
Here, when the first antenna unit 8025 is multiplexed, a switching circuit 806 may be further included in the second device 800, and the switching circuit 806 is controlled to switch the first antenna unit 805 between the first path and the second path.
As shown in fig. 9, in the present application, the energy collecting module 802 may also include a second antenna unit 8025 with a specific frequency, and when the controller 803 determines that the second device is currently in a use state (in a wearing state or in a disconnected state from the charging assembly) according to a current use state of the second device, the second antenna unit 8025 is controlled to be enabled, so that the second antenna unit 8025 establishes a communication connection with the first device through a bluetooth protocol or a WIFI protocol.
It should be noted that, the second device provided in the foregoing embodiment and the processing method embodiment provided in the foregoing embodiment belong to the same concept, and specific implementation processes of the second device are detailed in the method embodiment and are not repeated herein.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is merely a logical function division, and there may be additional divisions of actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.
The units described as separate components may or may not be physically separate, and components displayed as units may or may not be physical units, may be located in one place, may be distributed on a plurality of network units, and may select some or all of the units according to actual needs to achieve the purpose of the embodiment.
The methods disclosed in the method embodiments provided by the application can be arbitrarily combined under the condition of no conflict to obtain a new method embodiment.
The features disclosed in the several product embodiments provided by the application can be combined arbitrarily under the condition of no conflict to obtain new product embodiments.
The features disclosed in the embodiments of the method or the apparatus provided by the application can be arbitrarily combined without conflict to obtain new embodiments of the method or the apparatus.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. A charging method applied to a first device having a first component for protecting and/or supporting the first device, the method comprising,
Receiving, by the first device, energy demand information transmitted by a second device within a predetermined range;
Determining an energy transmission parameter of an antenna array plane on the first component based on the energy demand information;
controlling the antenna array surface to emit an energy signal based on the energy emission parameter, wherein the energy signal is used for charging the second equipment;
wherein the controlling the antenna array to emit the energy signal based on the energy emission parameter includes:
Determining a target antenna in the first equipment which is in an idle state at present, wherein the position of the target antenna is different from the position of the antenna array surface;
And controlling the antenna array surface and the target antenna to simultaneously transmit energy signals based on the energy transmission parameters.
2. The method of claim 1, wherein the energy requirement information comprises at least one of a state of charge information, battery load information, and an energy power parameter of the second device;
The determining the energy emission parameter of the antenna array plane on the first component based on the energy demand information at least comprises one of the following methods:
Controlling the antenna array to traverse all antenna transmitting beams in a beam forming network under the condition that the current electric quantity value of the second equipment is smaller than a first electric quantity threshold value based on the electric quantity state information, and determining a wave position point with maximum beam efficiency in the antenna transmitting beams;
Determining an energy reception power of the second device based on the battery load information; determining the energy receiving power as the energy transmitting power of the antenna array surface;
and determining the power corresponding to the energy power parameter sent by the second equipment as the energy transmitting power of the antenna array surface.
3. The method of claim 2, further comprising at least an energy emitting unit in the first assembly;
the controlling the antenna array surface to traverse all antenna transmitting beams in the beam forming network, and determining the wave position point with the maximum beam efficiency in the antenna transmitting beams comprises the following steps:
Controlling the energy transmitting unit to transmit an energy signal, wherein the energy signal is distributed to each path of antenna unit in the antenna array surface through the beam forming network so as to transmit the energy signal to the second equipment through each path of antenna unit;
Receiving an echo signal returned by the second equipment based on the energy signal;
And determining the corresponding wave position point of the echo signal in the antenna transmitting wave beam as the wave position point with the maximum wave beam efficiency.
4. The method of claim 1, the method further comprising:
Detecting the current working state of the first equipment;
And if the working state represents that the first equipment is in an idle state and/or a charging state currently, executing the step of controlling the antenna array surface to transmit energy signals based on the energy transmission parameters.
5. The method of claim 4, further comprising:
Detecting a charging signal on the first component;
If the charging signal is detected, determining that the first device is currently in a charging state.
6. The method of claim 1, further comprising:
If the second devices are at least two, grouping the antenna units on the antenna array surface according to the number of the second devices, wherein each group of antenna units corresponds to one second device;
and controlling each group of antenna units in the antenna array surface to transmit energy signals to the corresponding second equipment based on the energy transmission parameters, wherein the energy signals are used for charging the corresponding second equipment.
7. A charging method applied to a second device, the method comprising:
establishing a first communication connection with a first device within a predetermined range, and transmitting energy demand information to the first device through the first communication connection;
Receiving an energy signal sent by a first component of the first device based on the energy requirement information, wherein the energy signal is used for charging the second device, and the first component is used for protecting and/or supporting the first device;
Wherein the receiving the energy signal sent by the first component of the first device based on the energy requirement information comprises:
and receiving an energy signal which is simultaneously transmitted by a first component of the first equipment and a target antenna of the first equipment based on the energy demand information, wherein the position of the target antenna is different from that of the first component, and the target antenna is in an idle state.
8. The method of claim 7, the establishing a first communication connection with a first device, comprising:
Controlling a first antenna unit in the second device to switch from a first path to a second path to establish the first communication connection with the first device through the second path;
Or enabling a second antenna element in the second device to establish the first communication connection with the first device through the second antenna element, the second antenna element being independent of the first antenna element.
9. A first device, comprising:
a body;
The first component is used for protecting and/or supporting the body and is provided with an antenna array surface;
the system comprises a first component, a signal receiving component, a controller and an antenna array surface, wherein the first component is used for receiving energy requirement information sent by a second device in a preset range, the controller is used for determining energy transmission parameters of the antenna array surface on the first component based on the energy requirement information, and the controller is used for controlling the antenna array surface to transmit energy signals based on the energy transmission parameters, and the energy signals are used for charging the second device;
wherein the controlling the antenna array to emit the energy signal based on the energy emission parameter includes:
Determining a target antenna in the first equipment which is in an idle state at present, wherein the position of the target antenna is different from the position of the antenna array surface;
And controlling the antenna array surface and the target antenna to simultaneously transmit energy signals based on the energy transmission parameters.
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| CN109378908B (en) * | 2018-10-10 | 2021-03-23 | Oppo广东移动通信有限公司 | Energy transmitting device, electronic device, wireless charging system and wireless charging method |
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