CN114944681A - Charging method and device - Google Patents

Charging method and device Download PDF

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Publication number
CN114944681A
CN114944681A CN202210480290.9A CN202210480290A CN114944681A CN 114944681 A CN114944681 A CN 114944681A CN 202210480290 A CN202210480290 A CN 202210480290A CN 114944681 A CN114944681 A CN 114944681A
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energy
antenna
signal
antenna array
charging
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Inventor
宋以祥
张燕鹏
郭恒
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • 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
    • 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
    • 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
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (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

The application provides a charging method, which is applied to first equipment and is provided with a first assembly for protecting and/or supporting the first equipment, wherein the method comprises the steps of receiving energy demand information sent by second equipment in a preset range through the first equipment; determining energy emission parameters of an antenna array face on the first component based on the energy requirement information; and controlling the antenna array to transmit an energy signal based on the energy transmission parameter, wherein the energy signal is used for charging the second device. Simultaneously, this application still provides a first equipment.

Description

Charging method and device
Technical Field
The present application relates to charging technologies, and in particular, to a charging method and device.
Background
The current radio frequency energy collection scheme mainly considers using electromagnetic signal energy commonly existing in the surrounding environment, such as wifi and GSM frequency band signals, but the maximum power that these signals can receive is about-10 dBm, and the efficiency of the rectifier is superposed, and the power that can be converted into battery chemical energy is lower, so the current main application case is focused on the ultra-low power consumption internet of things sensor, and for a low power consumption terminal such as a wireless earphone, a longer charging time is required, for example: the capacity of an airpots single-earphone battery is 93mAh, the maximum power obtained when magnetic signal energy in the using environment is charged is-10 dBm, and if two earphones are fully charged to achieve 100% efficiency charging, more than 7000 hours are needed. Therefore, how to increase the charging requirement of the low power consumption device becomes a technical problem to be solved.
Disclosure of Invention
In view of the above, embodiments of the present application are intended 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 energy demand information sent by second equipment within a preset range through the first equipment;
determining energy transmission parameters of an antenna array on the first component based on the energy requirement information;
and controlling the antenna array to transmit an energy signal based on the energy transmission parameter, wherein the energy signal is used for charging the second device.
In the foregoing solution, the energy demand information at least includes: at least one of state of charge information, battery load information, and energy power parameters of the second device;
the determining of the energy transmission parameters of the antenna array on the first component based on the energy requirement information comprises at least one of the following methods:
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, controlling the antenna array to traverse all antenna transmission beams in the beam forming network, and determining a wave position point with the maximum beam efficiency in the antenna transmission beams; determining the energy transmitting power and the energy transmitting direction corresponding to the wave position point with the maximum wave beam efficiency as the target transmitting power and the target transmitting direction of the antenna array surface;
determining an energy received 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;
and receiving the energy power parameter sent by the second device, and determining the power corresponding to the energy power parameter as the energy transmitting power of the antenna array.
In the above scheme, the first assembly at least further comprises an energy emitting unit;
the controlling the antenna array to traverse all antenna transmission beams in the beam forming network, and determining a wave position with the maximum beam efficiency in the antenna transmission beams includes:
controlling the energy transmitting unit to transmit an energy signal, wherein the energy signal is distributed to each antenna unit in the antenna array through the beam forming network, so that the energy signal is transmitted to the second device through each antenna unit;
receiving an echo signal returned by the second device based on the energy signal;
and determining the wave position point corresponding to the echo signal in the wave beam transmitted by the antenna as the wave position point with the maximum wave beam efficiency.
In the foregoing solution, the controlling the antenna array to transmit the energy signal based on the energy transmission parameter includes:
determining a target antenna in the first device which is currently in an idle state; the position of the target antenna is different from the position of the antenna array surface;
and controlling the antenna array 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 the energy signal based on the energy transmission parameter.
In the above scheme, the method further comprises:
detecting a charging signal on the first component;
and if the charging signal is detected, determining that the first equipment is currently in a charging state.
In the above scheme, the method further comprises:
if the second equipment has at least two, grouping the antenna units on the antenna array according to the number of the second equipment; each group of antenna elements corresponds to one of the second devices;
and controlling each group of antenna units in the antenna array to transmit an energy signal to the corresponding second device based on the energy transmission parameters, wherein the energy signal is used for charging the corresponding second device.
According to another aspect provided by 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 sending 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 demand 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 foregoing solution, the establishing a first communication connection with a 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 unit in the second device to establish the first communication connection with the first device through the second antenna unit, wherein the second antenna unit is independent from the first antenna unit.
According to a third aspect of the present application, there is provided a first device comprising:
a body;
a first component for protecting and/or supporting the body; an antenna array surface is arranged on the first assembly;
the signal receiving component is used for receiving the energy demand information sent by the second equipment within a preset range;
a controller for determining energy emission parameters of an antenna front on the first assembly based on the energy requirement information; and for controlling the antenna array to transmit energy based on the energy transmission parameter, the energy being used to charge the second device.
According to the charging method and the charging equipment, the energy signal is transmitted to the second equipment by using the first component for protecting and/or supporting the first equipment so as to charge the second equipment, the receiving power of the second equipment for receiving the energy signal can be improved, and the charging time of the second equipment is shortened.
Drawings
Fig. 1 is a first schematic diagram illustrating a flow implementation of a charging method in the present application;
fig. 2 is a schematic diagram illustrating a second implementation flow of the charging method in the present application;
fig. 3 is a schematic diagram illustrating a third implementation of the charging method in the present application;
FIG. 4 is a first structural schematic diagram of a first apparatus of the present application;
FIG. 5 is a schematic structural component diagram II of the first apparatus of the present application;
FIG. 6 is a third structural diagram of an electronic device in the present application;
FIG. 7 is a first schematic structural component diagram of a second apparatus of the present application;
FIG. 8 is a second block diagram of a second apparatus according to the present application;
fig. 9 is a schematic structural composition diagram three of the second apparatus in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In the present application, the embodiments and features of the embodiments may be arbitrarily combined with each other without conflict. The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
By the scheme provided by the application, the energy signal can be transmitted to the second equipment by using the first component for protecting and/or supporting the first equipment so as to charge the second equipment, so that the receiving power of the second equipment for receiving the energy signal can be improved, and the charging time of the second equipment is shortened.
The technical solution of the present application is further described in detail with reference to the drawings and specific embodiments of the specification.
Fig. 1 is a schematic view of a first implementation flow of a charging method in the present application, as shown in fig. 1, including:
step 101, receiving energy demand information sent by second equipment in a preset range through first equipment;
102, determining energy emission parameters of an antenna array on the first assembly based on the energy requirement information;
step 103, controlling the antenna array to transmit an energy signal based on the energy transmission parameter, where the energy signal is used to charge the second device.
In the application, the method can be applied to the first device, and the first device can be a tablet 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 can determine the output power of the energy emitting end of the first device, so that theoretically, the larger the size of the first device is, the larger the output power is, the faster the second device is charged. As shown in equation (one):
Figure BDA0003627337030000051
wherein, P r Is the received power; p is t Is the transmit power; g t Is the transmit antenna power gain; g r Is the receive antenna power gain; d is the distance between the transmitter and the receiver in meters and λ is the wavelength in meters, equal to 300/fhmhz. The received power is a function of the square of the wavelength. Therefore, the lower the frequency, the greater the received power. While the first apparatus is of large volume, P t And G t It will be large. Therefore, under the condition that other additional components are not needed to be added, the energy emission power of the emission end (the first equipment end) can be increased by utilizing the advantage of large volume of the first equipment.
In this 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 supporting frame, a Folio accessory, and 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, and the rear cover and the first device can be of an integrally formed structure or connected with a body of the first device in a buckling mode; when the first component is a shroud, a Folio attachment, or a support stand, the shroud, the Folio attachment, or the support stand may exist separately from the first device physically. The first component can be provided with an antenna array face, and the second device can be charged by controlling the antenna array face to emit an energy signal. Since the volume of the first device is generally larger in the present application, charging the second device through the first component of the first device can improve the charging efficiency of the second device.
In the application, the Bluetooth chip and/or the WIFI chip are arranged in the first device, the first device can be in communication connection with the second device through the Bluetooth chip and/or the WIFI chip, and the energy demand information sent by the second device 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. When the first device is in communication connection with the second device through the bluetooth chip, the predetermined range may be a distance range corresponding to the bluetooth chip; when the first device is in communication connection with the second device through the WIFI chip, the predetermined range may be a distance range corresponding to 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 specific disposition positions of the bluetooth chip and the WIFI chip are not limited.
In this application, when the second device sends the energy requirement information to the first device, the energy requirement information may include: state of charge information, battery load information, or energy power parameters of the second device, or any combination thereof.
If the energy requirement information is the power state information, the first device may determine a current power value of the second device based on the power state information, compare the current power value of the second device with a first power threshold, and if the comparison result indicates that the current power value of the second device is smaller than the first power threshold, indicate that the current power of the second device is insufficient, the first device may control an antenna array on the first component to traverse all antenna transmission beams in the beamforming network, so as to determine a beam position point with the maximum beam efficiency in the antenna transmission beams; and then determining the energy transmitting power and the energy transmitting direction corresponding to the wave position point with the maximum beam efficiency as the target transmitting power and the target transmitting direction of the antenna array on the first assembly. And then controlling an antenna array on the first component to transmit an energy signal based on the target transmission power and the target transmission direction so as to charge the second device.
For example, the first charge threshold is 50%, 30%, or 20% of the total charge threshold of the second device.
If the energy requirement information is the battery load information, the first device may determine an energy reception power of the second device based on the battery load information; and then determining the energy receiving power as the energy transmitting power of the antenna array on the first assembly, and controlling the antenna array on the first assembly to transmit an energy signal based on the energy receiving power so as 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 transmission power of the antenna array on the first component, and may control the antenna array on the first component to transmit the energy signal based on the power corresponding to the energy power parameter, so as to charge the second device.
Here, the second device may specifically be a low power consumption device, for example, the second device may be a bluetooth headset, smart glasses, smart watch, hearing aid, or the like.
In this application, the first component of the first device further includes an energy transmitting unit, and the first device controls the energy transmitting unit in the first component to transmit an energy signal when controlling the antenna array in the first component to traverse all the antennas in the beamforming network to transmit a beam, so as to determine a wave location point with the maximum beam efficiency in the beam transmitted by the antennas, where the energy signal transmits the energy signal to the second device through the antenna unit in the antenna array; after receiving the energy signal, the second device sends an echo signal of the energy signal to the first device; after the first device receives the echo signal returned by the second device based on the energy signal, the corresponding wave position point of the echo signal in the beam transmitted by the antenna can be determined as the wave position point with the maximum beam efficiency.
Here, the energy transmitting unit includes, but is not limited to, a bluetooth chip, a WIFI chip.
In this application, a threshold or a threshold range of energy transmission power may also be preset in the second device, and when the second device needs to be charged, the threshold or the threshold range of energy transmission power may be sent to the first device, and based on the threshold or the threshold range of energy transmission power, the first device may control the antenna array on the first component to transmit an energy signal to the second device with the energy transmission power within the threshold or the threshold range of energy transmission power, so as to charge the second device.
In this application, when the first device controls the antenna array on the first component to transmit the energy signal based on the energy transmission parameter, the first device may further perform antenna multiplexing with a 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 control the antenna array on the first component and the target antenna in the first device to simultaneously transmit an energy signal based on the energy transmission parameter if the detection result indicates that the first device has the target antenna currently in an idle state. In this way, the power consumption of the first device may be reduced.
Here, the position of the target antenna is different from the position of the antenna array 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 is located on the rear cover of the first device. Or, the target antenna is located in a first area of a rear cover of the first device, the antenna array is located in a second area of the rear cover of the first device, and the first area and the second area have a preset distance, so that signal interference between the antenna in the first area and the antenna in the second area is avoided.
In one scenario, a user is watching a local video using a tablet computer, and since the local video does not need to use a network, the tablet computer may detect that a target antenna on the tablet computer is in an idle state; in another scenario, a user is using a tablet computer to perform a video chat, and since the video chat requires the use of a network to transmit signals, the tablet computer may detect that a target antenna on the tablet computer is currently in an occupied state.
Here, the target antenna may refer to an antenna for signal transmission with the base station for data transmission between the first device and the other device. 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 this application, in order to reduce the power consumption of the first device, the first device may further detect a current working state of the first device, and if a detection result indicates that the first device is currently in an idle state and/or a charging state, execute any one of the method steps of steps 101 to 103.
In one implementation, the first device may detect a total occupancy parameter of a Central Processing Unit (CPU) 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; if the charging signal is detected, it is determined that the first device is currently in a charging state.
Here, a Universal Serial Bus (USB) interface may be disposed 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 charging 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 charging state.
In this application, when the first device controls the antenna array on the first component to transmit an energy signal to the second device, the energy signal may be obtained from a bluetooth chip and a WIFI chip in the first device through a POGO PIN interface on the first component.
In this application, the first device may further receive energy requirement 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 requirement information, and then group the antenna units on the 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 energy signals to the corresponding second equipment based on the corresponding energy transmission parameters determined by the energy demand information sent by each second equipment, wherein the energy signals are used for charging the corresponding second equipment.
For example, the first device is a tablet computer, and the tablet computer receives energy requirement information sent by two second devices (such as a bluetooth headset and a smart watch) within a preset bluetooth distance range, then the antenna units on the antenna array surface of the 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, it is determined that the energy power required by the bluetooth headset is a1 based on the energy requirement information sent by the bluetooth headset, and then the antenna unit of the control group a provides an energy signal to the bluetooth headset with an energy power a1 to charge the bluetooth headset; and determining that the energy power required by the smart watch is B1 based on the energy demand information sent by the smart watch, and providing an energy signal to the smart watch by the antenna unit of the control group B according to the energy power B1 so as to charge the smart watch. Thus, the purpose of simultaneously charging a plurality of low-power consumption devices can be achieved.
In this application, in the process of transmitting the energy signal to the second device, the first device may further determine a current state of charge parameter of the second device, compare the current state of charge parameter of the second device with a second electric quantity threshold, and control the antenna array on the first component to stop transmitting the energy signal to the second device if the comparison result indicates that the current state of charge parameter of the second device is greater than or equal to the second electric quantity threshold.
Such as the second power threshold being 95%, 98% or 100% of the total power of the second electronic device.
Here, the first device may receive the state-of-charge parameter transmitted by the second device in a process of supplying charging energy to the second device; the method may also include sending, to the second device, a request for obtaining a state of charge during the process of providing charging energy to the second device, and the second device sending, to the first device, the current state of charge parameter of the second device based on the request for obtaining.
In this application, the first device may further detect a connection status between the second device and the first device within a predetermined range based on a communication connection with the second device, and control the antenna array on the first component to stop transmitting the energy signal to the second device if it is detected that the second device is disconnected from the first device.
In this application, this first equipment can launch at least one of directional radio frequency energy signal, WIFI radio frequency signal, millimeter wave energy signal when the antenna array face emission energy signal on the first subassembly is controlled based on energy transmission parameter.
According to the method and the device, the energy signal is transmitted to the second equipment by utilizing the first component for protecting and/or supporting the first equipment so as to charge the second equipment, the receiving power of the second equipment for receiving the energy signal can be improved, and the charging time of the second equipment is shortened.
Fig. 2 is a schematic view illustrating a second implementation flow of the charging method in the present application, as shown in fig. 2, including:
step 201, the first device turns on a day switch of 'providing radio frequency energy for other devices' in the setting;
step 202, detecting a charging signal on a first component by first equipment;
here, the charging signal includes at least one of a POGO PIN signal and a USB signal; whether the first device is in a connection state with the charging rear cover can be determined through the charging signal.
Step 203, the first device establishes communication connection with the second device through a Bluetooth protocol or a WIFI protocol;
step 204, when it is determined that the second device needs to be charged, controlling an antenna array surface on the first component to start transmitting an energy signal;
here, the energy signal includes, but is not limited to, signals of 2G, 3G, 4G, 5G bands, signals of WIFI bands, signals of millimeter-wave band frequencies.
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, and the antenna array in the first component is composed of a plurality of antenna elements, and each antenna element 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 transmit the energy signal, specifically, after the energy transmitting unit in the first device transmits 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, 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 by the antenna unit of each path. The radiated rf signals may be spatially combined into a single directional antenna beam.
Here, a POGO PIN interface may be disposed on the first component, and the radio frequency amplifying circuit, the phase shifting circuit and the beam forming network are powered through the POGO PIN interface.
Step 205, the first device determines a wave position point with the maximum beam efficiency, and continuously controls an antenna array surface to transmit an energy signal;
and step 206, receiving the charging state parameter sent by the second device, and controlling the antenna array on the first component to stop transmitting the energy signal if the charging state parameter is greater than or equal to the electric quantity threshold.
Fig. 3 is a schematic view illustrating a third implementation of the charging method in 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 sending energy demand 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 this application, the charging method is applied to the second device, and the second device may be a low-power bluetooth headset, a smart watch, a smart bracelet, smart glasses, or the like. The second device can be in communication connection with the first device through a Bluetooth protocol or a WIFI protocol. An energy signal transmitted by the first device is received over the communication connection. The second device is provided with a matching circuit, a rectifying circuit and a load circuit, and when the second device receives an energy signal transmitted by the first device through the communication connection, the energy signal reaches a battery of the second device after being processed by the matching circuit, the rectifying circuit and the load circuit.
In this application, the second device may further detect a use state of the second device, and if the detection result indicates that the second device is currently in the use state, control the first antenna unit in the second device to switch from the first path to the second path, so as to establish a first communication connection with the first device through the second path; therefore, the purpose of obtaining charging energy from the first equipment end can be achieved by multiplexing the original antenna on the second equipment under the condition that the antenna is not increased.
Of course, in order to ensure the performance of the headset, an antenna unit may also be added to the second device, and when it is detected that the second device is currently in a use state, the second antenna unit in the second device is enabled to establish the first communication connection with the first device through the second antenna unit.
Here, the second antenna element is independent from the first antenna element.
In one implementation, the second device may detect a connection relationship of the second device to a charging component for providing power to the second device; and if the connection relation indicates that the second equipment and the charging component are in a disconnected state, determining that the second equipment is in a use state currently, and executing the step of establishing a first communication connection with the first equipment.
For example, the second device is a bluetooth headset, the charging component for providing electric energy for the second device is a headset box, and when the bluetooth headset is taken out from the headset box, the second device is represented to be in a use state; when the bluetooth headset is located in the headset box, the representation second device is in an unused state, and then the bluetooth headset can be charged through the headset box.
In another implementation, the second device may detect a current voice signal, determine that the second device is currently in a use state if the voice signal is detected, and perform the step of establishing the first communication connection with the first device.
For example, if the second device is a bluetooth headset, and the current bluetooth headset is outputting sound, it indicates that the bluetooth headset is currently in a use state. In this case, it is necessary to add an antenna unit so that the earphone can be charged while outputting sound.
In this application, when the second device receives the charging energy from the first device by multiplexing the original antenna in the second device, the second device may be provided with a switch circuit, and the first antenna unit is switched from the first path to the second path by controlling the switch circuit.
Fig. 4 is a schematic structural component diagram of a first apparatus in the present application, and as shown in fig. 4, the first apparatus 400 includes:
a body 401, a first component 402, a signal receiving component 403 and a controller 404; wherein the first component 402 is used to protect and/or support the body 401; an antenna array 4021 is arranged on the first component 402; the signal receiving component 403 is disposed in the body 401 and is used for receiving the energy demand information sent by the second device 500 within a predetermined range; the controller 404 is disposed in the first component 402 or the body 401, and is configured to determine an energy emission parameter of the antenna array 4021 on the first component 402 based on the energy requirement information; and for controlling the antenna array 4021 to transmit an energy signal based on the energy transmission parameter, where the energy signal is used to charge 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 a 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 cradle, and a Folio accessory. The protective cover is also referred to as a rear cover of the first device 400, and is integrated with the body 401 or snap-connected to the body 401. The sheath, stent, Folio attachment may be physically separate from the body 401, and exist separately.
Here, the separate meaning may mean that it may be sold separately or sold together with the first device 400 as an accessory of the first device 400.
In this application, the signal receiving component 403, the controller 404 and the antenna array 4021 are all disposed inside the first device 400, and are shown by dotted lines.
In a preferred scheme, a radio frequency transmitter 4022 may be further disposed in the first component 402, and is configured to transmit a radio frequency signal, where the radio frequency signal includes, but is not limited to, signals in frequency bands such as 2G, 3G, 4G, 5G, bluetooth, WIFI, and the like.
Preferably, the first module 402 may further include a beam forming network 4023, a radio frequency amplifier circuit 4024, and a phase shift circuit 4025. The antenna array 4021 in the first module 402 is composed of a plurality of antenna elements, and each antenna element corresponds to one radio frequency amplifier circuit 4024 and one phase shift circuit 4025. When the first device 400 controls the antenna array 4021 on the first component 402 to transmit the energy signal, specifically, after the radio frequency transmitter 4022 in the first component 402 transmits the radio frequency signal, the radio frequency signal is distributed to the radio frequency amplification circuit 4024 and the phase shift circuit 4025 of each path through the beam forming network 4023, the radio frequency signal is processed by the radio frequency amplification circuit 4024 and the phase shift circuit 4025 of each path and then is sent to each path of antenna unit, and then is radiated by the antenna unit of each path. The radiated rf signals may be spatially combined into a single directional antenna beam.
In a preferable scheme, the first assembly 402 can be further provided with a charging interface 4026; the beam forming network 4023, the radio frequency amplifier circuit 4024, and the phase shifter circuit 4025 may supply power through 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 an interface capable of implementing a charging function is available.
Preferably, the main body 401 may further include a System On Chip (SOC) 4011, and the beam forming network 4023, the radio frequency amplifier circuit 4024, and the phase shifter circuit 4025 may supply power through the SOC 4011.
It should be noted that: the first device provided in the above embodiment and the charging method embodiment provided in the above embodiment belong to the same concept, and specific implementation processes thereof are described in the method embodiment and are not described herein again.
Fig. 5 is a schematic structural composition diagram of a first device in the present application, and as shown in fig. 5, the first device includes:
a receiving unit 501, configured to receive, within a predetermined range, energy requirement information sent by a second device through a first component of a first device; the first component is used for protecting and/or supporting the first equipment;
a determining unit 502, configured to determine an energy transmission parameter of an antenna array on the first component based on the energy requirement information;
a control unit 503, configured to control the antenna array to transmit an energy signal based on the energy transmission parameter, where the energy signal is used to charge the second device.
In a preferred embodiment, the energy demand information at least includes: at least one of state of charge information, battery load information, and energy power parameters of the second device;
a determining unit 502, further configured to determine a current charge value of the second device based on the charge status information;
the control unit 503 is further configured to control the antenna array to traverse all antenna transmission beams in the beam forming network when the current electric quantity value is smaller than a first electric quantity threshold;
a determining unit 502, specifically, further configured to determine a wave location point with the maximum beam efficiency in the beam emitted by the antenna; and determining the energy transmitting power and the energy transmitting direction corresponding to the wave position point with the maximum beam efficiency as the target transmitting power and the target transmitting direction of the antenna array surface.
In a preferred embodiment, the determining unit 502 is further specifically configured to determine the energy receiving power of the second device based on the battery load information; and determining the energy receiving power as the energy transmitting power of the antenna array.
In a preferred embodiment, the determining unit 502 is further specifically configured to determine the power corresponding to the energy power parameter sent by the second device as the energy transmission power of the antenna array.
In a preferred embodiment, the first module further comprises 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 antenna unit in the antenna array via the beamforming network, so as to transmit the energy signal to the second device through each 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 wave location point corresponding to the echo signal in the antenna transmission beam as a wave location point with the maximum beam efficiency.
In a preferred embodiment, the determining unit 502 is further configured to determine a target antenna currently in an idle state in the first device; the position of the target antenna is different from the position of the antenna array surface;
the control unit 503 controls the antenna array and the target antenna to transmit energy signals simultaneously 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 the energy signal based on the energy transmission parameter if the working state indicates that the first device is currently in the idle state and/or the 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 the antenna units on the antenna array according to the number of the second devices if the second devices have at least two; each group of antenna elements corresponds to one of the second devices;
the control unit 503 is further configured to control each group of antenna units in the antenna array to transmit an energy signal to the corresponding second device based on the energy transmission parameter, where the energy signal is used to charge the corresponding second device.
It should be noted that: the first device provided in the above embodiment only exemplifies the division of the above program modules when transmitting the energy signal to the second device, and in practical applications, the above processing distribution may be completed 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 above described processing. 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 thereof are described in the method embodiment, and are not described again here.
An embodiment of the present application further provides an electronic device, including: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to perform any one of the method steps of the above-mentioned processing method when running the computer program.
Fig. 6 is a schematic structural component diagram of an electronic device 600 in the present application, which may be a mobile phone, a computer, a digital broadcast terminal, an information transceiver device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or other terminals. The electronic device 600 shown in fig. 6 includes: at least one processor 601, 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 communications among the components. The bus system 605 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled as bus system 605 in fig. 6.
The user interface 603 may include, among other things, a display, a keyboard, a mouse, a trackball, a click wheel, a key, a button, a touch pad, or a touch screen.
It will 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 the embodiments of the present 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; telephone book data; a message; a picture; audio, etc. The operating system 6021 includes 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 application program 6022 may include various application programs such as a Media Player (Media Player), a Browser (Browser), and the like for implementing various application services. A program that implements the methods of the embodiments of the present application can be included in the application program 6022.
The method disclosed in the embodiments 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 having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 601. The Processor 601 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The processor 601 may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 602, and the processor 601 reads the information in the memory 602 and performs the steps of the aforementioned methods in conjunction with its hardware.
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), Complex Programmable Logic Devices (CPLDs), Field Programmable Gate Arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the foregoing methods.
In an exemplary embodiment, the present application further provides a computer readable storage medium, such as a memory 602 including a computer program, which can be executed by a processor 601 of the electronic device 600 to perform the steps of the foregoing method. The computer readable storage medium can be Memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface Memory, optical disk, or CD-ROM; or may be a variety of devices including one or any combination of the above memories, such as a mobile phone, computer, tablet device, personal digital assistant, etc.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method steps of any one of the above-mentioned processing methods.
Fig. 7 is a schematic structural component diagram of a second apparatus in the present application, as shown in fig. 7, the second apparatus 700 includes:
an establishing unit 701, configured to establish a first communication connection with a first device within a predetermined range;
a sending unit 702, configured to send energy requirement information to the first device through the first communication connection;
a receiving unit 703 is 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 includes:
a control unit 704 for controlling a first antenna element in the second device to switch from a first path to a second path;
an establishing unit 701, which may specifically establish the first communication connection with the first device through the second path;
preferably, the control unit 704 is further configured to control a second antenna unit in the second device to be enabled;
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 is independent from the first antenna unit.
It should be noted that: the second device provided in the above embodiment is only illustrated by dividing the program modules when charging is performed through the energy signal transmitted by the first device, and in practical applications, the above processing may be distributed to 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 above-described processing. 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 thereof are described in the method embodiment, and are not described again here.
Fig. 8 is a schematic structural component diagram of a second apparatus in the present application, and as shown in fig. 8, the second apparatus 800 includes:
the device comprises a body 801, an energy collection module 802, a controller 803 and a battery 804, wherein the energy collection module 802 is used for receiving an energy signal transmitted by a first device, and charging 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 status information, battery load information, energy power parameters. The energy harvesting module 802 may receive an energy signal transmitted by a first component of a first device based on the energy requirement information, by which the battery 804 may be charged.
Here, the first component is a protective case, protective sheath, holder, etc. for protecting and/or supporting the first device.
Before the first device starts to charge the second device, the antenna array on the first component can traverse all antenna beams in the beam forming network and send an energy signal to the second device; when the energy collection module 802 in the second device receives the energy signal, the controller 803 may determine a wave location point with the maximum beam efficiency in the energy signal, where the energy power is the maximum, and control the second device to send the wave location point with the maximum beam efficiency to the first device through a bluetooth protocol or a WIFI protocol. Thereby enabling the first device to transmit an energy signal to the second device based on the wave location point where the beam efficiency is the greatest.
In this 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 originally existing in the second device for data transmission, that is, the energy collection module 802 may be multiplexed with the antenna originally existing in the second device, thereby reducing the antenna cost.
Here, the first antenna element 8025 may transmit the same frequency signal as the transmitting end in the first device.
In this application, the energy harvesting module 802 may include a matching circuit 8021, a rectification circuit 8022, a load circuit 8023, and a controller 8024; when an energy signal transmitted by the first device is received through the first antenna unit 805 in the second device 800, the energy signal may be made to enter the rectifying circuit 8022 as far as possible through the matching circuit 8021, and then the energy signal may be converted into a direct current signal required by the 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 wearing state or in a disconnected state from a charging component for charging the second device according to the current usage state of the second device, and control the first antenna unit 805 to switch from the first path to the second path, so that the first antenna unit 805 establishes a communication connection with the first device through the second path.
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, it is determined that the bluetooth headset is in a use state; and when the Bluetooth headset is in the headset box, determining that the Bluetooth headset is in a charging state. Or, detecting a current sound signal of the bluetooth headset, and if the sound signal is detected, indicating that the bluetooth headset is outputting sound, indicating that the bluetooth headset is in a use state.
Here, when the first antenna element 8025 is multiplexed, the second device 800 may further include a switch circuit 806, and the first antenna element 805 is switched between the first path and the second path by controlling the switch circuit 806.
As shown in fig. 9, in the present application, the energy collection 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 (a wearing state or a disconnected state from the charging assembly) according to the current use state of the second device, the controller controls the second antenna unit 8025 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 thereof are described in the method embodiment and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The methods disclosed in the several method embodiments provided in the present application may be combined arbitrarily without conflict to obtain new method embodiments.
Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict.
The features disclosed in the several method or apparatus embodiments provided herein may be combined in any combination to arrive at a new method or apparatus embodiment without conflict.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by 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 (10)

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 energy demand information sent by second equipment within a preset range through the first equipment;
determining energy transmission parameters of an antenna array on the first component based on the energy requirement information;
and controlling the antenna array to transmit an energy signal based on the energy transmission parameter, wherein the energy signal is used for charging the second device.
2. The method of claim 1, the energy demand information comprising at least: at least one of state of charge information, battery load information, and energy power parameters of the second device;
the determining of the energy transmission parameters of the antenna array on the first component based on the energy requirement information comprises at least one of the following methods:
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, controlling the antenna array surface to traverse all antenna transmission beams in the beam forming network, and determining a wave position point with the maximum beam efficiency in the antenna transmission beams; determining the energy transmitting power and the energy transmitting direction corresponding to the wave position point with the maximum wave beam efficiency as the target transmitting power and the target transmitting direction of the antenna array surface;
determining an energy received 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;
and determining the power corresponding to the energy power parameter sent by the second device as the energy transmitting power of the antenna array face.
3. The method of claim 2, further comprising at least an energy emitting unit in the first assembly;
the controlling the antenna array to traverse all antenna transmission beams in the beam forming network, and determining a wave position with the maximum beam efficiency in the antenna transmission beams includes:
controlling the energy transmitting unit to transmit an energy signal, wherein the energy signal is distributed to each antenna unit in the antenna array through the beam forming network, so that the energy signal is transmitted to the second device through each antenna unit;
receiving an echo signal returned by the second device based on the energy signal;
and determining the wave position point corresponding to the echo signal in the wave beam transmitted by the antenna as the wave position point with the maximum wave beam efficiency.
4. The method of claim 1, said controlling said antenna array to transmit an energy signal based on said energy transmission parameter, comprising:
determining a target antenna in the first device which is currently in an idle state; the position of the target antenna is different from the position of the antenna array surface;
and controlling the antenna array and the target antenna to simultaneously transmit energy signals based on the energy transmission parameters.
5. The method of claim 1, 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 the energy signal based on the energy transmission parameter.
6. The method of claim 5, further comprising:
detecting a charging signal on the first component;
and if the charging signal is detected, determining that the first equipment is currently in a charging state.
7. The method of claim 1, further comprising:
if the second equipment has at least two, grouping the antenna units on the antenna array according to the number of the second equipment; each group of antenna elements corresponds to one of the second devices;
and controlling each group of antenna units in the antenna array to transmit an energy signal to the corresponding second device based on the energy transmission parameters, wherein the energy signal is used for charging the corresponding second device.
8. A charging method is applied to a second device, and comprises the following steps:
establishing a first communication connection with a first device within a predetermined range, and sending 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 demand 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.
9. The method of claim 8, the establishing a first communication connection with a first device, comprising:
controlling a first antenna element in the second device to switch from a first path to a second path to establish the first communication connection with the first device over the second path;
or enabling a second antenna unit in the second device to establish the first communication connection with the first device through the second antenna unit, wherein the second antenna unit is independent from the first antenna unit.
10. A first device, comprising:
a body;
a first component for protecting and/or supporting the body; an antenna array surface is arranged on the first assembly;
the signal receiving component is used for receiving the energy demand information sent by the second equipment within a preset range;
a controller for determining energy emission parameters of an antenna front on the first assembly based on the energy requirement information; and for controlling the antenna array to transmit an energy signal based on the energy transmission parameter, the energy signal being used to charge the second device.
CN202210480290.9A 2022-05-05 2022-05-05 Charging method and device Pending CN114944681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210480290.9A CN114944681A (en) 2022-05-05 2022-05-05 Charging method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210480290.9A CN114944681A (en) 2022-05-05 2022-05-05 Charging method and device

Publications (1)

Publication Number Publication Date
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Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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