CN112769252B - Wireless charging device, method and central processing unit - Google Patents

Wireless charging device, method and central processing unit Download PDF

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Publication number
CN112769252B
CN112769252B CN202011632401.0A CN202011632401A CN112769252B CN 112769252 B CN112769252 B CN 112769252B CN 202011632401 A CN202011632401 A CN 202011632401A CN 112769252 B CN112769252 B CN 112769252B
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charging
charged
wireless charging
wireless
devices
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CN112769252A (en
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童彦彰
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Huayi Semiconductor Shenzhen Co ltd
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Huayi Semiconductor Shenzhen Co 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
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • 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
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • 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
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
    • 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
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
    • H02J7/00043—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors using switches, contacts or markings, e.g. optical, magnetic or barcode
    • 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
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • 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

Abstract

The invention provides a wireless charging device, a wireless charging method and a central processing unit, which support a plurality of receiving coils to charge simultaneously through a single wireless charging transmitting coil, so that the wireless charging convenience is greatly improved, and the user cost is reduced. Meanwhile, the wireless charging signal is used as a carrier to bear the communication signal, so that the wireless charging system is low in construction cost, compatible with the existing wireless charging communication standard is achieved, the cost is reduced, and the charging efficiency of wireless charging is improved.

Description

Wireless charging device, method and central processing unit
Technical Field
The present invention relates to the field of wireless charging technologies, and in particular, to a wireless charging device, a wireless charging method, and a central processing unit.
Background
With the popularity of portable electronic devices, such as mobile devices, smart phones, tablet computers, and electric vehicles, the demand for charging devices is increasing. Wireless charging technology has thus emerged as a desirable way for most people to minimize the annoying wires.
A conventional wireless charging system includes: wireless charging device, wait to charge equipment. The wireless charging device further includes: wireless charging circuit and wireless charging transmitting coil. The device to be charged further includes: a receiving coil and a wireless receiving circuit. The wireless charging device comprises a wireless charging device, a wireless transmitting coil, a receiving coil, a wireless receiving circuit, a wireless charging circuit and a wireless charging system, wherein a group of independent alternating current charging signals of the wireless charging circuit in the wireless charging device are output to the wireless charging transmitting coil, electromagnetic energy is transmitted to the receiving coil through the wireless charging transmitting coil, and then the electromagnetic energy is converted into electric energy through the wireless receiving circuit to be used by equipment to be charged.
Under the current wireless charging technology, a group of alternating current signals can only control a group of wireless charging transmitting coils to transfer energy, namely, one wireless charging transmitting coil can only correspond to one receiving coil, or a plurality of wireless charging transmitting coils are used for one receiving coil, so that the convenience is poor.
Disclosure of Invention
First, the technical problem to be solved
The present invention aims to at least partially solve at least one of the above technical problems.
(II) technical scheme
To achieve the above object, according to a first aspect of the present invention, there is provided a wireless charging apparatus comprising: a wireless charging transmitting coil; and a wireless charging control circuit connected to the wireless charging transmitting coil; the wireless charging control circuit is used for communicating with N devices to be charged through wireless charging signals serving as carriers, and the N devices to be charged are subjected to wireless multiplexing charging through the wireless charging transmitting coil, wherein N is more than or equal to 2.
In some embodiments of the invention, the wireless charging control circuit comprises: the front end of the output signal control circuit is electrically connected to the wireless charging transmitting coil; and a central processing unit, the front end of which is connected to the output signal control circuit; the output signal control circuit provides charging power for the wireless charging transmitting coil, and carries the communication signal input by the central processing unit into the charging power and loads the communication signal into the wireless charging transmitting coil.
In some embodiments of the invention, the central processing unit is configured to: judging whether the equipment to be charged supports a multiplex charging function or not; the method comprises the steps of sending charging state information requests to N devices to be charged one by one, and receiving the charging state information sent by the corresponding devices to be charged; and determining charging parameters for carrying out wireless multiplex charging on the N devices to be charged by using the charging state information of the N devices to be charged.
In some embodiments of the present invention, the central processing unit is configured to determine whether the device to be charged supports the multiplex charging function, and the central processing unit determines whether the device to be charged supports the multiplex charging function according to the identification information.
In some embodiments of the invention, the wireless charging control circuit is located on one side of the wireless charging transmitting coil; or the wireless charging device further comprises: and the adapter is electrically connected with the wireless charging coil through a charging wire, wherein the wireless charging control circuit is positioned on one side of the adapter.
In some embodiments of the invention, S1 is greater than or equal to S2, wherein S1 is the area of the wireless charging transmitting coil in the horizontal direction; s2 is the sum of areas of wireless charging receiving coils in the N devices to be charged in the horizontal direction.
In some embodiments of the present invention, the device to be charged is a mobile phone, a tablet computer, a wearable device, an electronic book, a notebook computer, or a portable computer, and the wireless charging device is a charging tray, a charger, or an adapter; or the equipment to be charged is an electric device or an electric vehicle, and the wireless charging equipment is a charging station or a charging pile.
In order to achieve the above object, according to a second aspect of the present invention, there is also provided a wireless charging method comprising: judging whether the equipment to be charged supports a multiplex charging function or not; the method comprises the steps of sending charging state information requests to N devices to be charged supporting a wireless multiplexing charging function one by one, and receiving charging state information sent by corresponding devices to be charged, wherein N is more than or equal to 2; and determining charging parameters for wireless multiplex charging of the N devices to be charged by using the charging state information of the N devices to be charged.
In some embodiments of the present invention, in the step of determining whether the device to be charged supports the multiplex charging function, whether the device to be charged supports the multiplex charging function is determined according to the identification information of the device to be charged.
In some embodiments of the present invention, the identification information of the device to be charged includes one or more of the following groups: product model, manufacturer, product code, IMEI code.
In some embodiments of the present invention, before the step of determining whether the device to be charged supports the multiplex charging function according to the identification information of the device to be charged, the method further includes: transmitting a wireless charging communication signal; receiving a response signal of the equipment to be charged to the wireless charging communication signal; and analyzing the response signal, and extracting the identity identification information of the equipment to be charged from the data packet.
In some embodiments of the present invention, the step of determining whether the device to be charged supports the multiplex charging function according to the identification information of the device to be charged further includes: if all the equipment to be charged comprises one or more pieces of equipment to be charged which do not support the wireless multiplexing charging function, selecting one of the equipment to be charged for wireless simplex charging; and if all the to-be-charged devices support the wireless multiplexing charging function, determining the number of the to-be-charged devices as N, and executing the step of sending charging state information requests to the N to-be-charged devices supporting the wireless multiplexing charging function one by one.
In some embodiments of the present invention, the step of sending a charge state information request to N devices to be charged supporting a wireless multiplexing charging function one by one and receiving the charge state information sent by the corresponding devices to be charged includes: step S416, presetting an initial value of n to be 1; step S418, a charging state information request is sent to the nth equipment to be charged, and the charging state information request is appointed to be sent to the nth equipment to be charged, wherein the charging state information request adopts an FSK coding format; step S420, receiving a charging state information signal sent by an nth device to be charged, wherein the charging state information signal adopts an ASK coding format; step S422, determining that n=n, if no, n=n+1, and executing step S418; and if so, executing the step of determining the charging parameters for the N devices to be charged by using the charging state information of the N devices to be charged.
In order to achieve the above object, according to a third aspect of the present invention, there is also provided a wireless charging central processing unit for a wireless charging apparatus, comprising: one or more processing modules; a storage module for storing one or more programs; wherein the one or more processing modules perform the wireless charging method as described above when the one or more programs stored in the storage module are executed by the one or more processing modules.
To achieve the above object, according to a fourth aspect of the present invention, there is also provided a computer-readable storage medium for wireless charging for a wireless charging apparatus. The computer-readable storage medium has stored thereon one or more programs that when executed implement the wireless charging method as described above.
In order to achieve the above object, according to a fifth aspect of the present invention, there is also provided a device to be charged for wireless charging, comprising: a wireless charging transmitting coil; and the wireless charging control circuit is connected to the receiving coil, and is used for communicating with the wireless charging device through taking a wireless charging signal as a carrier wave and receiving that the wireless charging device charges one of N devices to be charged as the own side, wherein N is more than or equal to 2.
In order to achieve the above object, according to a sixth aspect of the present invention, there is also provided a wireless charging method comprising: after receiving a wireless charging communication signal of the wireless charging device, feeding back a response signal, wherein a data packet of the response signal comprises identification information of equipment to be charged; after receiving a request of the wireless charging device for own charging state information, feeding back the charging state information; and receiving a request that the wireless charging device charges the own as one of N devices to be charged, wherein N is more than or equal to 2.
In some embodiments of the present invention, the identification information of the device to be charged includes one or more of the following groups: product model, manufacturer, product code, IMEI code.
In some embodiments of the invention, the device to be charged is a portable electronic device, an electric device or an electric vehicle. The portable electronic device is a mobile phone, a tablet computer, a wearable device, an electronic book, a notebook computer or a portable computer. The electric device is a sweeping robot. The electric vehicle is an electric automobile or an electric bicycle.
In order to achieve the above object, according to a seventh aspect of the present invention, there is also provided a wireless charging central processing unit for a device to be charged. The wireless charging central processing unit comprises: one or more processing modules; a storage module for storing one or more programs; wherein the one or more processing modules perform the wireless charging method as described above when the one or more programs stored in the storage module are executed by the one or more processing modules.
To achieve the above object, according to an eighth aspect of the present invention, there is also provided a computer-readable storage medium for wireless charging for a device to be charged. The computer-readable storage medium has stored thereon one or more programs that when executed implement the wireless charging method as described above.
In order to achieve the above object, according to a ninth aspect of the present invention, there is also provided a wireless charging system. The wireless charging system includes: the power transmitting device is communicated with the N devices to be charged through wireless charging signals serving as carriers. And, this wireless charging device carries out wireless multiplex charging for N to-be-charged equipment.
(III) beneficial effects
As can be seen from the technical scheme, the invention has at least one of the following advantages:
(1) A single wireless charging transmitting coil supports a plurality of receiving coils to charge simultaneously, so that the convenience of wireless charging is greatly improved, and the cost of a user is reduced.
(2) The wireless charging signal is used as a carrier to bear the communication signal, so that the construction cost is low, the cost is reduced, and the charging efficiency of wireless charging is improved.
(3) Under the condition that a plurality of devices to be charged exist, whether the devices to be charged have a multiplexing charging function or not is judged by utilizing the identity identification information in the wireless charging data packet sent by the devices to be charged, and the wireless multiplexing charging function is started or not according to the identity identification information, so that the wireless charging device is compatible with the current wireless charging communication standard, and no additional communication burden is increased.
(4) The wireless charging device appoints specific equipment to be charged to reply charging data according to the identity identification information of the equipment to be charged, and other unspecified equipment to be charged waits; after the charging data of each equipment to be charged are collected sequentially, the wireless charging device determines multiplexing charging parameters, and wireless multiplexing charging is performed on a plurality of equipment to be charged, so that the convenience of wireless charging is greatly improved, and meanwhile, the cost of wireless charging is not obviously increased.
Drawings
Fig. 1 is a schematic diagram of a wireless charging system according to an embodiment of the invention.
Fig. 2 is a flowchart of a wireless charging method performed by the wireless charging system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a wireless charging control circuit in the wireless charging device according to an embodiment of the invention.
Fig. 4 is a flowchart of a wireless charging method performed by the wireless charging device according to an embodiment of the invention.
Fig. 5 is a flowchart of the wireless charging device adjusting charging parameters in real time according to the charging state of the device to be charged in the charging process according to the embodiment of the invention.
Fig. 6 is a schematic diagram of a central processing unit of a wireless charging device according to an embodiment of the invention.
FIG. 7 is a schematic diagram of a computer-readable storage medium according to an embodiment of the invention.
Fig. 8 is a flowchart of a wireless charging method performed by a device to be charged according to an embodiment of the present invention.
[ Main reference numerals in the drawings ]
110-a wireless charging control circuit; 120-a wireless charging transmitting coil;
111-a power supply processing circuit; 112-an environment detection circuit; 113-communication circuitry;
114-an output signal control circuit; 115-a central processing unit.
211-receiving coils; 212-radio reception control circuit.
Detailed Description
According to the wireless charging device, a group of wireless charging transmitting coils can be used for carrying out wireless charging on a plurality of devices to be charged, and the convenience of wireless charging can be greatly improved.
It is understood that the device to be charged may be a portable electronic device, an electric device or an electric vehicle. The portable electronic device is, for example, a mobile phone, a tablet computer, a wearable device, an electronic book, a notebook computer, a portable computer, or the like, and in response thereto, a charger, a charging tray, a power adapter, or the like, for which the wireless charging apparatus can charge. An electric device such as a sweeping robot; the electric vehicle is, for example, an electric car, an electric bicycle, or the like, and the wireless charging device may be a charging station, a charging post, or the like for charging the electric vehicle.
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
According to one aspect of the present invention, a wireless charging system is provided. The wireless charging system includes: 1 wireless charging device and N equipment to be charged, N is more than or equal to 2. The power transmitting equipment and the N equipment to be charged are communicated through wireless charging signals as carrier waves. And, this wireless charging device carries out wireless multiplex charging for N to-be-charged equipment.
Fig. 1 is a schematic diagram of a wireless charging system according to an embodiment of the invention. As shown in fig. 1, the wireless charging system includes: wireless charging device and 3 wait to charge equipment. The wireless charging device includes: an adapter (not shown), a wireless charging control circuit 110, and a wireless charging transmit coil 120. The wireless charging control circuit 110 may be located on the adapter side or on the wireless charging transmitting coil side. Preferably, in order to reduce the thickness of the wireless charging transmission coil, the wireless charging control circuit is located on the adapter side.
On the side of the device to be charged, the 3 devices to be charged are substantially identical in structure. Taking one of the devices to be charged as an example, it includes: a receiving coil 211 and a radio receiving control circuit 212.
It should be understood by those skilled in the art that, although the present embodiment is illustrated with 3 devices to be charged as an example, in other embodiments of the present invention, the number of devices to be charged may also be: 2, 4, 5 or more. In an actual application scene, taking a charging tray as an example, 1 charging tray can charge a plurality of mobile phones supporting wireless multiplexing charging; or charging a plurality of tablet computers supporting wireless multiplexing charging, or simultaneously charging a mobile phone and a tablet computer supporting wireless multiplexing charging. Therefore, the wireless charging system can greatly improve the convenience of wireless charging.
In addition, in the invention, a mode of taking the wireless charging signal as a carrier wave of the communication signal is adopted, and a multiplexing charging control flow is provided on the basis, so that the invention has the advantage of lower construction cost.
According to yet another aspect of the present invention, a wireless charging method is also provided. The method is executed by the wireless charging system so as to realize multiplex charging of a plurality of devices to be charged under the condition of taking the wireless charging signal as a communication signal carrier.
Fig. 2 is a flowchart of a wireless charging method performed by the wireless charging system according to an embodiment of the present invention. As shown in fig. 2, the wireless charging method of the present embodiment includes:
Step S202, starting wireless charging;
step S204, the wireless charging device sends a wireless charging communication signal;
in this embodiment, the wireless charging communication signal is a Ping signal.
Step S206, after receiving the charging signals, the plurality of devices to be charged respectively reply the response signals;
compatible with WPC (Wireless Power Consortium, wireless charging consortium) standard, the response signal adopts ASK encoding format. In addition, since there are a plurality of devices to be charged supporting the wireless charging function, the wireless charging device receives a mixed signal in which a plurality of devices to be charged reply to the ASK signal at the same time.
Step S208, the wireless charging apparatus responds to the signal of each device to be charged: analyzing the wireless charging device, extracting identity identification information of equipment to be charged from a data packet of the wireless charging device, and judging whether the wireless charging device supports a wireless multiplexing charging mode according to the identity identification information;
the data packet of the response signal of the equipment to be charged contains identification information, charging information, reply of the equipment to be charged and the like of the equipment to be charged. The identity information comprises a production company and a product code. The wireless charging device judges whether the equipment to be charged supports the wireless multiplexing charging mode according to the identity identification information, so that the charging mode is selected.
In addition, the identification information can be other information, such as IMEI code of the equipment to be charged. It should be noted that, in addition to using the identification code to determine whether wireless multiplex charging is supported, a corresponding data bit may be set in the response signal to identify whether the device to be charged supports the wireless multiplex charging function.
In addition, when the invention is implemented, the wireless charging device needs to judge whether the equipment to be charged supports the wireless multiplexing charging mode or not according to the identity identification information. Therefore, a discrimination rule needs to be prestored in the wireless charging apparatus, for example: (1) product model supporting wireless multiplexing charging mode; (2) product coding supporting wireless multiplexed charging modes; (3) the manufacturer of the wireless multi-charging mode product; (4) IMEI codes supporting wireless multiplexed charging mode products, etc. If necessary, it is also possible to determine whether the device to be charged supports wireless multiplexed charging by a combination of pieces of information.
In step S210, the wireless charging device determines whether all the devices to be charged support the wireless multiplexing charging function? If yes, go to step S212, otherwise, go to step S220;
step S212, the wireless charging device sends a charging state information request to each device to be charged one by one, and designates the device to send the charging state information;
Compatible with the WPC standard, the charge state information request adopts an FSK coding format.
Step S214, the designated equipment to be charged feeds back charging state information to the wireless charging device;
in this process, the unspecified device to be charged waits for a request. As shown in fig. 2, the wireless charging device sends charging information requests to specific devices to be charged one by one and obtains feedback, namely sends charging state information requests one by a roll call mode.
Step S216, after receiving the charging state information of all the devices to be charged, the wireless charging device determines multiplex charging parameters according to the charging state information of all the devices to be charged;
in step S218, the wireless charging device charges all the devices to be charged according to the multiplex charging parameters, and the process is ended.
Step S220, execute a non-multiplexed charging procedure, such as: simplex charging or charging is finished, and the flow is finished.
Preferably, in order to be compatible with the conventional simplex charging mode, when the wireless charging device determines that not all the devices to be charged support the wireless multiplex charging function, one of the devices to be charged is selected for simplex charging.
As can be seen from the above description, the wireless charging method of the present embodiment is compatible with existing wireless charging standards, including but not limited to WPC standards; meanwhile, the identity identification information of the equipment to be charged is extracted from the wireless charging data packet, so that whether the wireless multiplexing charging function is supported is judged, and the implementation cost is low and the popularization is easy under the condition that extra communication burden is not increased.
According to another aspect of the present invention, there is also provided a wireless charging apparatus. Referring to fig. 1, the wireless charging device includes: an adapter (not shown), a wireless charging control circuit 110, and a wireless charging transmit coil 120. The wireless charging control circuit 120 communicates with 3 devices to be charged through wireless charging signals as carriers, and performs wireless multiplexing charging on the 3 devices to be charged through the wireless charging transmitting coil.
In order to realize wireless multiplexing charging to a plurality of devices to be charged, the wireless charging device of this embodiment satisfies:
S1≥S2
s1 is the area of the wireless charging transmitting coil in the horizontal direction; s2 is the sum of areas of wireless charging receiving coils in the N devices to be charged in the horizontal direction.
In this embodiment, n=3, that is, the area of the wireless charging transmitting coil in the horizontal direction is larger than the sum of the areas of the wireless charging receiving coils in the 3 devices to be charged in the horizontal direction.
In practical mobile phone wireless charging tray application, the wireless charging tray can be used for accommodating two mobile phones for wireless multiplexing charging or accommodating a tablet computer for wireless charging. Preferably, in order to meet the requirement of charging more portable electronic devices, the wireless charging transmitting coil can be used for accommodating three or four mobile phones for wireless multiplexing charging, or can be used for accommodating two tablet computers for wireless multiplexing charging.
The adapter is electrically connected to the wireless charging coil 120 through a charging wire, and the wireless charging control circuit 110 may be located on the adapter side or on the wireless charging transmitting coil side. Preferably, in order to reduce the thickness of the wireless charging transmission coil, the wireless charging control circuit is located on the adapter side.
It will be appreciated by those skilled in the art that the wireless charging transmitting coil therein may be produced and sold separately. The wireless charging control circuit can be arranged on one side of the wireless charging transmitting coil, and the wireless charging control circuit and the wireless charging transmitting coil are produced or sold together. The wireless charging control circuit can also be arranged on one side of the adapter, and the wireless charging control circuit and the adapter are produced or sold together. Regardless of the manner in which it is employed, the present invention will be referred to generally as a "wireless charging device".
Fig. 3 is a schematic structural diagram of a wireless charging control circuit in the wireless charging device according to an embodiment of the invention. As shown in fig. 3, the wireless charging control circuit 110 includes: a power processing circuit 111, an environment detection circuit 112, a communication circuit 113, an output signal control circuit 114, and a central processing unit 115.
For charging, the power processing circuit 111 is configured to adjust the specification of the power input from the power supply, transmit the wireless charging driving power to the output signal control circuit, and output the power supply voltage and current signal to the environment detection circuit. The environment detection circuit 112 is configured to generate an environment detection processing signal by using the wireless charging transmitting coil status signal fed back by the output signal control circuit and the power supply voltage and current signal input by the power supply processing circuit, and output the environment detection processing signal to the central processing unit. The central processing unit 115 is used for generating a power supply control signal by the environment detection processing signal, and the power supply is used for controlling the power supply processing circuit.
In particular, in order to carry the communication signal to the wireless charging signal, the front end of the output signal control circuit 114 is electrically connected to the wireless charging transmitting coil. The front end of the central processor 115 is connected to the output signal control circuit. The output signal control circuit 114 provides charging power for the wireless charging transmitting coil 120, and carries the communication signal input by the central processing unit 115 into the charging power and loads the communication signal into the wireless charging transmitting coil 120, so that the communication signal is sent out through the wireless charging signal. The signal sent to the equipment to be charged by the wireless charging device adopts a PSK coding format.
Further, the central processor 115 is configured to: judging whether the equipment to be charged supports a multiplex charging function or not according to the identity identification information of the equipment to be charged; sending charging information requests to N devices to be charged one by one in a point name mode, and receiving charging information sent by the corresponding devices to be charged; and determining charging parameters for carrying out wireless multiplex charging on the N devices to be charged by utilizing the charging information of the N devices to be charged.
It should be noted that, in this embodiment, the device to be charged may be a mobile phone, a tablet computer, a wearable device, an electronic book, a notebook computer or a portable computer, and the wireless charging device is a charging tray, a charger or an adapter corresponding to the portable computer; or the equipment to be charged can be an electric device or an electric vehicle, and the wireless charging equipment is a charging station or a charging pile. The electric device is, for example, an electric sweeping robot or an intelligent robot, and the electric vehicle is, for example, an electric automobile or an electric bicycle.
According to yet another aspect of the present invention, a wireless charging method is also provided. The method is executed by the wireless charging device, in particular by a central processing unit in the wireless charging control circuit, so as to judge whether a plurality of devices to be charged support the wireless multiplexing charging function and collect charging information.
Fig. 4 is a flowchart of a wireless charging method performed by the wireless charging device according to an embodiment of the invention. As shown in fig. 4, the wireless charging method of the present embodiment includes:
step S402, wireless charging is started;
step S404, transmitting a wireless charging communication signal;
in this embodiment, the charging signal is a Ping signal.
Step S406, receiving a response signal of the wireless charging communication signal;
it will be appreciated that the response signal may be one or more. The response signal may be a response signal of the device to be charged supporting the wireless multiplex charging function, or a response signal of the device to be charged not supporting the wireless multiplex charging function, or an interference signal generated by a coin, a magnetic deposit card, or the like. The wireless charging device needs to handle these situations one by one.
And if a plurality of devices to be charged supporting the wireless charging function exist, the wireless charging device receives a mixed signal of simultaneously mixing a plurality of devices to be charged to reply ASK signals.
Step S408, if all the response signals are the response signals of the equipment to be charged, executing step S410; otherwise, step S446 is performed;
step S410, judging whether more than 1 equipment to be charged is needed, if yes, executing step S412, otherwise, executing step S434;
step S412, for each response signal received from the device to be charged: analyzing the wireless charging device, extracting identity identification information of equipment to be charged from a data packet of the wireless charging device, and judging whether the wireless charging device supports a wireless multiplexing charging mode according to the identity identification information;
the data packet of the response signal of the equipment to be charged contains identification information, charging information, reply of the equipment to be charged and the like of the equipment to be charged. The identity information comprises a production company and a product code. The wireless charging device judges whether the equipment to be charged supports the wireless multiplexing charging mode according to the identity identification information, so that the charging mode is selected. In addition, the identification information can be other information, such as IMEI code of the equipment to be charged.
In addition, when the invention is implemented, the wireless charging device needs to judge whether the equipment to be charged supports the wireless multiplexing charging mode or not according to the identity identification information. Therefore, a discrimination rule needs to be prestored in the wireless charging apparatus, for example: (1) product model supporting wireless multiplexing charging mode; (2) product codes or IMEI codes supporting wireless multiplexed charging modes; (3) and manufacturers of products with wireless multiplex charging modes. If necessary, it is also possible to determine whether the device to be charged supports wireless multiplexed charging by a combination of pieces of information, for example: a combination of production company and product code.
It should be noted that, in addition to using the identification code to determine whether wireless multiplex charging is supported, a corresponding data bit may be set in the response signal to identify whether the device to be charged supports the wireless multiplex charging function.
Step S414, determine whether all the devices to be charged support the wireless multiplexing charging function? If yes, go to step S416, otherwise, go to step S432;
step S416, determining the number N of the to-be-charged devices supporting the multiplexing mode, numbering the to-be-charged devices supporting the multiplexing mode, and presetting an initial value of N to be 1;
step S418, for the nth device to be charged to send a charge state information request, designating it to send charge state information;
in this embodiment, the charge state information request is in an FSK encoding format compatible with WPC standards.
Step S420, receiving charging state information sent by the nth device to be charged;
in this embodiment, the charging status information sent by the device to be charged adopts an ASK encoding format compatible with the WPC standard, so as to achieve compatibility of the present invention with the WPC standard, and at the same time, no additional communication burden and cost are added.
And when the charging state information of the nth equipment to be charged is not received all the time, judging that the equipment to be charged is away, and deleting the equipment to be charged from the list, wherein N=N-1.
In addition, when the nth device to be charged sends the charging state information, other devices to be charged are in a silent state.
Step S422, judging whether n=n, if yes, executing step S424; otherwise, n=n+1, step S418 is performed;
step S424, judging whether the WPC standard is met, if yes, executing step S426; otherwise, step S428 is performed;
step S426, determining wireless multiplexing charging parameters according to WPC standard by using charging state information of N devices to be charged, and executing step S430;
step S428, determining wireless multiplexing charging parameters according to corresponding standards by using charging state information of N devices to be charged, and executing step S430;
step S430, performing wireless multiplexing charging on the N devices to be charged according to the wireless multiplexing charging parameters, and ending the process.
During charging, the wireless charging device and N devices to be charged are repeatedly communicated, and charging conditions are reported and calculated until charging is completed.
Step S432, selecting 1 to-be-charged device for simplex charging from a plurality of to-be-charged devices;
step S434, a charge state information request is sent to the device to be charged;
step S436, receiving charging status information sent by the device to be charged;
Step S438, judge the specification of wireless charging, if it is the WPC standard, go to step S440; if the other criteria are met, step S442 is performed;
step S440, determining charging parameters according to WPC standard from charging state information of the device to be charged, and executing step S444;
step S442, determining charging parameters according to corresponding standards from charging state information of the device to be charged, and executing step S444;
step S444, according to the charging parameters, starts to charge the device to be charged, and the process ends.
Similarly, during charging, the wireless charging device and the equipment to be charged are repeatedly communicated, charging parameters are reported and calculated, and the optimal charging power is adjusted until the charging is completed.
In step S446, the charging is abnormal and the process is exited.
The embodiment provides a complete flow executed by the wireless charging device, and considers various abnormal conditions, so that the wireless charging device can make correct response.
In addition, for the above-mentioned continuous communication between the wireless charging device and the device to be charged during charging, return and calculate the charging parameters, and adjust the optimal charging power until the charging is completed, in a specific implementation, the communication and adjustment process of one time refer to fig. 5, which specifically includes:
Step S502, n=1;
step S504, for the nth device to be charged to send a charge state information request, designating the nth device to be charged to send charge state information;
in this embodiment, the state of charge request is in an FSK encoding format compatible with WPC standards.
Step S506, receiving the charging state information sent by the nth device to be charged;
in this embodiment, the charging status information sent by the device to be charged adopts an ASK encoding format compatible with the WPC standard, so as to achieve compatibility of the present invention with the WPC standard, and at the same time, no additional communication burden and cost are added.
In addition, when the nth device to be charged sends the charging state information, other devices to be charged are in a silent state.
Step S508, judging whether n=n, if yes, executing step S510; otherwise, n=n+1, step S504 is performed;
step S510, adjusting charging parameters according to the charging state information of N devices to be charged;
this step aims to achieve an optimal charging power.
And step S512, charging the N devices to be charged according to the adjusted charging parameters.
Based on the above, the invention also provides a central processing unit of the wireless charging device. Fig. 6 is a schematic diagram of a cpu according to an embodiment of the invention. Referring to fig. 6, the cpu includes: one or more processing modules; and the storage module is used for storing one or more programs. Wherein the one or more processing modules perform the wireless charging method as described in fig. 4 or 5 when the one or more programs are executed by the one or more processing modules.
Based on the above, the present invention also provides a computer readable storage medium. FIG. 7 is a schematic diagram of a computer-readable storage medium according to an embodiment of the invention. As shown in fig. 7, the computer-readable storage medium has stored thereon one or more programs that when executed implement the wireless charging method described in fig. 4 or 5.
Based on the above, the invention also provides a wireless charging device. The device to be charged comprises a central processor or a computer readable storage medium as described above.
According to still another aspect of the present invention, there is also provided a device to be charged which is wirelessly charged. Referring to fig. 1, the device to be charged includes: a wireless charging transmitting coil; and a wireless charging control circuit connected to the receiving coil. The wireless charging control circuit is used for communicating with the wireless charging device through a wireless charging signal serving as a carrier wave and receiving that the wireless charging device charges a host as one of N devices to be charged, wherein N is more than or equal to 2.
In some embodiments of the invention, the device to be charged is a portable electronic device, an electric device or an electric vehicle. The portable electronic device is a mobile phone, a tablet computer, a wearable device, an electronic book, a notebook computer or a portable computer. The electric device is a sweeping robot or an intelligent robot. The electric vehicle is, for example, an electric automobile or an electric bicycle.
For other details of the device to be charged, reference may be made to the corresponding description of the wireless charging device, which will not be repeated here.
According to yet another aspect of the present invention, a wireless charging method is also provided. The method is executed by the equipment to be charged so as to realize the response of the wireless charging device in the wireless multiplex charging process.
Fig. 8 is a flowchart of a wireless charging method performed by a device to be charged according to an embodiment of the present invention. As shown in fig. 8, the wireless charging method of the present embodiment includes:
step S802, after receiving the wireless charging communication signal, feeding back a response signal, wherein the data packet of the response signal comprises own identity identification information;
the identity information comprises a production company and a product code. The wireless charging device uses the identity information to define whether the wireless charging device supports the wireless multiplexing charging function. In addition, the identification information can also be an IMEI code of the equipment to be charged.
Step S804, after receiving the charge state information request for the own side, feeding back the charge state information;
the charging state information sent by the device to be charged adopts an ASK coding format compatible with the WPC standard, so that the device is compatible with the WPC standard, and meanwhile, no extra communication burden and cost are added.
In addition, regarding the wireless charging method to be executed by the charging device of the present embodiment, specific details may refer to the related description of the wireless charging method executed by the corresponding wireless charging apparatus, and will not be repeated here.
Based on the above, the invention also provides a central processing unit of the equipment to be charged. The CPU comprises: one or more processing modules; and the storage module is used for storing one or more programs. Wherein the one or more processing modules perform the wireless charging method as shown in fig. 8 when the one or more programs are executed by the one or more processing modules.
Based on the above, the present invention also provides a computer readable storage medium. The computer-readable storage medium has stored thereon one or more programs that when executed implement the method shown in fig. 8.
Based on the above, the invention also provides equipment to be charged. The device to be charged comprises a central processor or a computer readable storage medium as described above.
Thus, various embodiments of the present invention have been described in detail with reference to the accompanying drawings.
It should be noted that, for some implementations, if they are not critical to the present invention and are well known to those of ordinary skill in the art, they are not described in detail in the drawings or the specification, and may be understood with reference to the related art.
Furthermore, the above definitions of the elements and methods are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.
The wireless charging method, central processing unit, wireless charging device, system of the present invention will be clearly recognized by those skilled in the art in light of the foregoing description.
In summary, the present invention is compatible with the current wireless charging standard, and can realize the standard wireless charging process, and when it is determined that wireless multiplexing charging can be used, wireless multiplexing charging is performed, so as to provide wireless charging convenience. In addition, the charging signal of the wireless charging transmitting coil contains a communication signal for charging and communication, so that an additional communication system is not needed for communication and communication, and additional burden and cost are not increased.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.
Furthermore, the word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.
Ordinal numbers such as Arabic numerals, letters, etc. used in the specification and the claims are used to modify a corresponding element or step, and are intended to merely make a clear distinction between an element (or step) having a certain name and another element (or step) having the same name, and do not indicate any ordinal number of the element (or step) nor the order of the element (or step) with another element (or step).
Furthermore, unless specifically described or steps must occur in sequence, the order of the above steps is not limited to the list above and may be changed or rearranged according to the desired design. In addition, the above embodiments may be mixed with each other or other embodiments based on design and reliability, i.e. the technical features of the different embodiments may be freely combined to form more embodiments.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. Various general-purpose systems may also be used with the teachings herein. The required structure for a construction of such a system is apparent from the description above. In addition, the present invention is not directed to any particular programming language. It should be appreciated that the present invention can be implemented in a variety of programming languages, and the above description of specific languages is provided for disclosure of preferred embodiments of the invention.
The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. Various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that some or all of the functions of some or all of the components in a related device according to embodiments of the present invention may be implemented in practice using a microprocessor or Digital Signal Processor (DSP). The present invention can also be implemented as an apparatus or device program (e.g., a computer program and a computer program product) for performing a portion or all of the methods described herein. Such a program embodying the present invention may be stored on a computer readable medium, or may have the form of one or more signals. Such signals may be downloaded from an internet website, provided on a carrier signal, or provided in any other form.
All modules of embodiments of the invention may be hardware structures, the physical implementation of which includes but is not limited to physical devices including but not limited to transistors, memristors, DNA computers.
Those skilled in the art will appreciate that the modules in the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features of the invention in this specification (including any accompanying claims, abstract and drawings), and all of the processes or units of any method or apparatus so invented, may be combined in any combination, except combinations where at least some of such features and/or processes or units are mutually exclusive. Each feature of the invention in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Also, in the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware.
Similarly, it should be appreciated that in the above description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the method of the invention should not be interpreted as reflecting the intention: i.e., the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims (10)

1. A wireless charging device, comprising:
a wireless charging transmitting coil; and
a wireless charging control circuit connected to the wireless charging transmitting coil;
the wireless charging control circuit is used for communicating with N devices to be charged through wireless charging signals serving as carriers, and carrying out wireless multiplexing charging on the N devices to be charged through the wireless charging transmitting coil, wherein N is more than or equal to 2;
s1 is greater than or equal to S2, and S1 is the area of the wireless charging transmitting coil in the horizontal direction; s2 is the sum of areas of wireless charging receiving coils in the N devices to be charged in the horizontal direction;
the wireless charging control circuit includes: the front end of the output signal control circuit is electrically connected to the wireless charging transmitting coil; and a central processing unit, the front end of which is connected to the output signal control circuit;
Wherein, the central processing unit is used for: judging whether the equipment to be charged supports a multiplexing charging function or not, and determining the number N of the equipment to be charged supporting a multiplexing mode; the method comprises the steps of sending charge state information requests to N devices to be charged one by one, receiving charge state information sent by the corresponding devices to be charged, judging that the devices to be charged leave when the charge state information of the nth device to be charged is not received all the time, and deleting the devices to be charged from a list, wherein N=N-1; determining charging parameters for carrying out wireless multiplex charging on all N devices to be charged by using the charging state information of all N devices to be charged; during charging, the wireless charging device and N devices to be charged are repeatedly communicated, and charging conditions are reported and calculated until charging is completed;
the central processing unit is used for judging whether the equipment to be charged supports the multiplex charging function or not, the central processing unit judges whether the equipment to be charged supports the multiplex charging function or not through identity identification information, and the identity identification information comprises one or more of the following groups: product model, manufacturer, product code.
2. The wireless charging device of claim 1, wherein the output signal control circuit provides charging power to the wireless charging transmitter coil and carries the communication signal input by the central processor into the charging power and to the wireless charging transmitter coil.
3. The wireless charging device of claim 1, wherein:
the wireless charging control circuit is positioned at one side of the wireless charging transmitting coil; or alternatively
The wireless charging device further includes: and the adapter is electrically connected with the wireless charging coil through a charging wire, wherein the wireless charging control circuit is positioned on one side of the adapter.
4. The wireless charging device of claim 1, wherein:
the device to be charged is a mobile phone, a tablet computer, a wearable device, an electronic book, a notebook computer or a portable computer, and the wireless charging device is a charging tray, a charger or an adapter; or (b)
The device to be charged is an electric device or an electric vehicle, and the wireless charging device is a charging station or a charging pile.
5. A wireless charging method, performed by the wireless charging apparatus of any one of claims 1 to 4, comprising:
judging whether the equipment to be charged supports a multiplex charging function or not, and determining the number N of the equipment to be charged supporting the multiplex mode, wherein N is more than or equal to 2;
the method comprises the steps of sending charging state information requests to N devices to be charged supporting a wireless multiplexing charging function one by one, receiving charging state information sent by corresponding devices to be charged, judging that the devices to be charged leave when the charging state information of the nth device to be charged is not received all the time, and deleting the devices to be charged from a list, wherein N=N-1; and
Determining charging parameters for carrying out wireless multiplex charging on the N devices to be charged by using the charging state information of the N devices to be charged;
during charging, the wireless charging device and N devices to be charged are repeatedly communicated, and charging conditions are reported and calculated until charging is completed;
s1 is greater than or equal to S2, wherein S1 is the area of a wireless charging transmitting coil of the wireless charging device in the horizontal direction; s2 is the sum of areas of wireless charging receiving coils in the N devices to be charged in the horizontal direction;
in the step of judging whether the equipment to be charged supports the multiplex charging function, judging whether the equipment to be charged supports the multiplex charging function according to the identity identification information of the equipment to be charged, wherein the identity identification information of the equipment to be charged comprises one or more of the following groups: product model, manufacturer, product code.
6. The wireless charging method according to claim 5, wherein the step of determining whether the device to be charged supports the multiplex charging function according to the identification information of the device to be charged further comprises:
transmitting a wireless charging communication signal;
receiving a response signal of the equipment to be charged to the wireless charging communication signal;
And analyzing the response signal, and extracting the identity identification information of the equipment to be charged from the data packet.
7. The wireless charging method according to claim 5, wherein the step of determining whether the device to be charged supports the multiplex charging function according to the identification information of the device to be charged further comprises:
if all the equipment to be charged comprises one or more pieces of equipment to be charged which do not support the wireless multiplexing charging function, selecting one of the equipment to be charged for wireless simplex charging;
and if all the to-be-charged devices support the wireless multiplexing charging function, determining the number of the to-be-charged devices as N, and executing the step of sending charging state information requests to the N to-be-charged devices supporting the wireless multiplexing charging function one by one.
8. The wireless charging method according to claim 5, wherein the step of transmitting the charge state information request to the N devices to be charged supporting the wireless multiplexing charging function one by one and receiving the charge state information transmitted from the corresponding devices to be charged comprises:
step S416, presetting an initial value of n to be 1;
step S418, a charging state information request is sent to the nth equipment to be charged, and the charging state information request is appointed to be sent to the nth equipment to be charged, wherein the charging state information request adopts an FSK coding format;
Step S420, receiving a charging state information signal sent by an nth device to be charged, wherein the charging state information signal adopts an ASK coding format;
when the nth device to be charged sends charging state information, other devices to be charged are in a silent state;
step S422, determining that n=n, if no, n=n+1, and executing step S418; and if so, executing the step of determining the charging parameters for the N devices to be charged by using the charging state information of the N devices to be charged.
9. A wirelessly charged central processing unit, comprising: one or more processing modules; a storage module for storing one or more programs;
wherein the one or more processing modules perform the method of any of claims 5 to 8 when the one or more programs stored in the storage modules are executed by the one or more processing modules.
10. A wireless charging method, performed by a device to be charged, comprising:
after receiving the wireless charging communication signal of the wireless charging device, feeding back a response signal, wherein a data packet of the response signal comprises identity identification information of equipment to be charged, and the identity identification information comprises one or more of the following groups: product model, manufacturer, product code;
After receiving a request of the wireless charging device for own charging state information, feeding back the charging state information; and
receiving a request that the wireless charging device charges the own as one of N devices to be charged, wherein N is more than or equal to 2;
s1 is greater than or equal to S2, wherein S1 is the area of a wireless charging transmitting coil of the wireless charging device in the horizontal direction; s2 is the sum of areas of wireless charging receiving coils in the N devices to be charged in the horizontal direction;
when the charging is performed, the wireless charging device and N devices to be charged are repeatedly communicated, and the charging state is reported and calculated until the charging is completed;
wherein the wireless charging device is the wireless charging device of any one of claims 1 to 4.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107257168A (en) * 2016-11-18 2017-10-17 深圳市无为智能科技有限公司 A kind of one-to-many wireless charging method and system
CN108258816A (en) * 2018-01-29 2018-07-06 联永智能科技（上海）有限公司 A kind of wireless charging receiving module and wireless charging system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101815323B1 (en) * 2011-09-08 2018-01-05 삼성전자주식회사 Method and devices for transmitting signal from a plurality of wireless power receivers to wireless power provider
KR102076859B1 (en) * 2013-04-17 2020-05-18 인텔렉추얼디스커버리 주식회사 Apparatus and method for transmitting wireless power
US9553694B1 (en) * 2016-02-02 2017-01-24 Ford Global Technologies, Llc RF jamming mitigation system and method
KR102525917B1 (en) * 2018-09-19 2023-04-28 삼성전자주식회사 Electronic apparatus and method for controlling multu wireless charging
CN110957770A (en) * 2018-09-27 2020-04-03 中兴通讯股份有限公司 Wireless charging method and system and computer readable storage medium
KR102647156B1 (en) * 2018-10-15 2024-03-14 삼성전자 주식회사 Electronic device and method for wire and wireless charging in electronic device
CN211320996U (en) * 2019-12-20 2020-08-21 美芯晟科技（北京）有限公司 Wireless charging transmitting terminal device and related system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107257168A (en) * 2016-11-18 2017-10-17 深圳市无为智能科技有限公司 A kind of one-to-many wireless charging method and system
CN108258816A (en) * 2018-01-29 2018-07-06 联永智能科技（上海）有限公司 A kind of wireless charging receiving module and wireless charging system

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