CN103269092A - Method for charging by utilizing wireless charger and wireless charger - Google Patents

Method for charging by utilizing wireless charger and wireless charger Download PDF

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Publication number
CN103269092A
CN103269092A CN2013101051203A CN201310105120A CN103269092A CN 103269092 A CN103269092 A CN 103269092A CN 2013101051203 A CN2013101051203 A CN 2013101051203A CN 201310105120 A CN201310105120 A CN 201310105120A CN 103269092 A CN103269092 A CN 103269092A
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China
Prior art keywords
described
temperature
transmitting terminal
receiving terminal
terminal
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CN2013101051203A
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Chinese (zh)
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CN103269092B (en
Inventor
孙伟
李晖
范杰
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北京小米科技有限责任公司
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Priority to CN201310105120.3A priority Critical patent/CN103269092B/en
Publication of CN103269092A publication Critical patent/CN103269092A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation

Abstract

The embodiment of the invention provides a method for charging by utilizing a wireless charger and the wireless charger, wherein the wireless charger comprises a transmitting end and a receiving end; the transmitting end comprises a communication module, a temperature detection module, a control module, a charging module and over-temperature protection module; the communication module is used for judging whether the transmitting end communicates with the receiving end or not; the temperature detection module is used for detecting the temperature of the transmitting end after the transmitting end is communicated with the receiving end; the control module is used for judging whether the temperature of the transmitting end is higher than a preset threshold or not; the charging module is used for charging the receiving end when the temperature of the transmitting end is lower than or equal to the preset threshold; and the over-temperature protection module is used for stopping charging the receiving end when the temperature of the transmitting end is higher than the preset threshold. The embodiment of the method and the wireless charger can detect the surface temperature of the transmitting end, so that the wireless charging is enabled to be more reliable and safer.

Description

Method and wireless charger that a kind of employing wireless charger charges

Technical field

The embodiment of the invention relates to the wireless charging field, particularly relates to the method that a kind of employing wireless charger charges, and, a kind of wireless charger, and, a kind of equipment.

Background technology

Along with constantly popularizing of battery powered electronic equipment for consumption such as portable electronic device, smart mobile phone and panel computer, begin to be subjected to all circles after the popularization of wireless charging technology process several years and the evolution and attract attention.The mode that the device that wireless charging refers to have battery sees through wireless induction obtains electric power and charges, the principle of present wireless charging mainly contains three kinds, comprise electromagnetic induction, radio wave and electromagentic resonance effect, what present stage was really realized commercialization and extensive use then is this type of electromagnetic induction.

The wireless charging EM induction system is divided into receiving terminal and transmitting terminal two large divisions, and wherein receiving terminal generally is integrated in the portable mobile electronic device, and electromagnetic energy is converted to electric energy; Transmitting terminal is converted to electromagnetic energy with alternating current and sends as an independent equipment.After if receiving terminal is received the electromagnetic energy electrical signal converted, the information that will send is to transmitting terminal, carry out a series of dohandshake action, if shake hands successfully, transmitting terminal will be worked always and be left or receive the end signal that sends after receiving terminal is finished charging until receiving terminal.

Yet wireless charging does not have the overheat protector function.In correlation technique, the control of the temperature of wireless charging can be carried out temperature detection by receiving terminal, notifies transmitting terminal if charging temperature is too high, allows transmitting terminal no longer send electromagnetic wave, stops charging.But utilize the receiving terminal detected temperatures, general only can check battery temperature or internal system temperature, as long as battery temperature does not exceed standard and will communicate by letter with transmitting terminal always, if this moment ambient temperature too high will danger close, be easy to cause transmitting terminal to damage or catch fire.

Summary of the invention

The embodiment of the invention provides a kind of wireless charger, can detect the surface temperature of transmitting terminal in charging process, makes wireless charging more reliable, and is safer.

Accordingly, the method that the embodiment of the invention also provides a kind of employing wireless charger to charge, and a kind of equipment is in order to realization and the application that guarantees above-mentioned principle.

In order to address the above problem, the embodiment of the invention discloses a kind of wireless charger, comprise transmitting terminal and receiving terminal, wherein, described transmitting terminal comprises:

Communication module is used for judging whether to be communicated with described receiving terminal;

Temperature detecting module is used for detecting the temperature of transmitting terminal when being communicated with receiving terminal;

Control module is used for judging that whether the temperature of described transmitting terminal is greater than predetermined threshold value;

Charging module is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value described receiving terminal being charged;

The overheat protector module when being used for temperature at described transmitting terminal greater than predetermined threshold value, stops the charging to described receiving terminal.

Preferably, adopt thermo-sensitive resistor to detect the temperature of transmitting terminal in the described temperature detecting module.

Preferably, adopt temperature sensor to detect the temperature of transmitting terminal in the described temperature detecting module.

Preferably, described charging module comprises:

Current signal receives submodule, is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value the received current signal;

The conversion submodule is used for converting described current signal to electromagnetic signal;

Send submodule, be used for described electromagnetic signal is sent to receiving terminal, by electromagnetic signal described receiving terminal is charged.

Preferably, the temperature of described transmitting terminal is the surface temperature of transmitting terminal.

The embodiment of the invention also discloses the method that a kind of employing wireless charger charges, described method comprises:

Transmitting terminal judges whether to be communicated with described receiving terminal;

When transmitting terminal is communicated with receiving terminal, detect the temperature of transmitting terminal;

Judge that whether the temperature of described transmitting terminal is greater than predetermined threshold value;

When the temperature of described transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged;

During greater than predetermined threshold value, stop the charging to described receiving terminal in the temperature of described transmitting terminal.

Preferably, when described temperature at transmitting terminal was less than or equal to predetermined threshold value, the step that described receiving terminal is charged comprised:

When the temperature of transmitting terminal is less than or equal to predetermined threshold value, the received current signal;

Convert described current signal to electromagnetic signal;

Described electromagnetic signal is sent to receiving terminal, by electromagnetic signal described receiving terminal is charged.

Preferably, described method also comprises:

When receiving terminal is charged, can detect receiving terminal every the judgement of Preset Time section;

If can detect receiving terminal, return transmitting terminal and judge whether the step that is communicated with described receiving terminal;

If can not detect receiving terminal, stop the charging to described receiving terminal.

Preferably, the temperature of described transmitting terminal is the surface temperature of transmitting terminal.

The embodiment of the invention also discloses a kind of equipment, described equipment comprises:

One or more processors;

Memory; With

One or more modules, described one or more module stores are in described memory and be configured to be carried out by described one or more processors, and wherein, described one or more modules have following function:

Transmitting terminal judges whether to be communicated with described receiving terminal;

When transmitting terminal is communicated with receiving terminal, detect the temperature of transmitting terminal;

Judge that whether the temperature of described transmitting terminal is greater than predetermined threshold value;

When the temperature of described transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged;

During greater than predetermined threshold value, stop the charging to described receiving terminal in the temperature of described transmitting terminal.

Compare with background technology, the embodiment of the invention comprises following advantage:

The first, the embodiment of the invention can detect the surface temperature of transmitting terminal in the wireless charging process, when the surface temperature of transmitting terminal is higher than predetermined threshold value, namely carries out overheat protector, stops the charging to receiving terminal, thereby makes wireless charging more reliable, and is safer.

The second, the embodiment of the invention adopts the surface temperature that detects transmitting terminal of thermo-sensitive resistor or temperature sensor, and detected temperature value is more accurate.

The 3rd, the embodiment of the invention reexamines whether satisfy charge condition (comprising that whether the temperature that checks transmitting terminal is greater than predetermined threshold value) every the Preset Time section, then continues charging if satisfy, if do not satisfy, then stops the charging to receiving terminal.Thereby in time transmitting terminal is carried out overheat protector, make wireless charging safer.

Description of drawings

Fig. 1 shows the structured flowchart of a kind of wireless charger embodiment 1 that the embodiment of the invention provides;

Fig. 2 shows thermo-sensitive resistor and the hardware comparator temperature detection schematic diagram of a kind of wireless charger embodiment 2 that the embodiment of the invention provides;

Fig. 3 shows thermo-sensitive resistor and the analog-digital converter temperature detection schematic diagram of a kind of wireless charger embodiment 2 that the embodiment of the invention provides;

Fig. 4 shows the temperature sensor temperature detection schematic diagram of a kind of wireless charger embodiment 2 that the embodiment of the invention provides;

Fig. 5 shows the transmitting terminal state transition graph of a kind of wireless charger embodiment 3 that the embodiment of the invention provides;

The flow chart of steps of the method embodiment that a kind of employing wireless charger that Fig. 6 shows the embodiment of the invention to be provided charges.

Embodiment

For above-mentioned purpose, the feature and advantage that make the embodiment of the invention can become apparent more, below in conjunction with the drawings and specific embodiments the embodiment of the invention is described in further detail.

Embodiment one

With reference to Fig. 1, show the structured flowchart of a kind of wireless charger embodiment 1 that the embodiment of the invention provides, specifically can comprise transmitting terminal and receiving terminal, wherein said transmitting terminal specifically can comprise as lower module:

Communication module 101 is used for judging whether to be communicated with described receiving terminal;

Temperature detecting module 102 is used for detecting the temperature of transmitting terminal when being communicated with receiving terminal;

Control module 103 is used for judging that whether the temperature of described transmitting terminal is greater than predetermined threshold value;

Charging module 104 is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value described receiving terminal being charged;

Overheat protector module 105 when being used for temperature at described transmitting terminal greater than predetermined threshold value, stops the charging to described receiving terminal.

Particularly, wireless charger mainly adopts electromagnetic induction principle, carries out the transmission that the energy coupling realizes energy by coil.Wireless charger generally can be divided into transmitting terminal and receiving terminal two large divisions, transmitting terminal is transformed into direct current with electric main through full bridge rectifier during wireless charger work, or directly be system's power supply with 24V direct current end, Shu Chu direct current converts high-frequency alternating current to by the active crystal oscillator inversion of 2M and supplies with primary coil (coil of transmitting terminal) then, by 2 inductance coil coupling energies, to be varied to direct current be battery charge to the electric current of the secondary coil of receiving terminal output through accepting change-over circuit.In brief, at transmitting terminal and receiving terminal a coil is arranged respectively, the transmitting terminal coil connects cable power and produces electromagnetic signal, charges the battery thereby the electromagnetic signal of the coil-induced transmitting terminal of receiving terminal produces electric current.

In specific implementation, because the receiving terminal of wireless charger generally is integrated in the portable set (for example mobile phone), mobile device generally all possesses temperature control function, yet, the temperature of mobile device control function can not detect its surperficial temperature, therefore, and the focusing on the basis of wireless charging agreement QI standard of the embodiment of the invention, in the function of transmitting terminal interpolation temperature detection and control, in order to detect the surface temperature of transmitting terminal.

In embodiments of the present invention, communication module 101 is used for communicating by letter with receiving terminal, confirms whether receiving terminal is the equipment that satisfies the QI standard, if receiving terminal is the equipment that satisfies the QI standard, then transmitting terminal is communicated with receiving terminal; Temperature detecting module 103(Temperature Sense Unit) temperature of detection transmitting terminal in order to transmitting terminal is carried out overheat protector, can more reliably more safely work transmitting terminal.

Embodiment two

The embodiment 2 of a kind of wireless charger that the embodiment of the invention also provides specifically can comprise transmitting terminal and receiving terminal, and wherein said transmitting terminal specifically can comprise as lower module:

Communication module is used for judging whether to be communicated with described receiving terminal;

Particularly, transmitting terminal can detect the placement of receiving terminal or leave, when transmitting terminal detects the receiving terminal placement, whether transmitting terminal further detection is communicated with receiving terminal, a kind of preferred exemplary as the embodiment of the invention, whether transmitting terminal can detect in the following way and be communicated with receiving terminal: transmitting terminal sends ping and orders to receiving terminal, after receiving terminal receives the ping order, return the response command of self to transmitting terminal, transmitting terminal checks whether described response command meets wireless charging QI standard after receiving described response command, if described response command meets described wireless charging QI standard, then transmitting terminal is communicated with receiving terminal, otherwise transmitting terminal is not communicated with receiving terminal.

Wherein, QI is the standardization body of global first promotion wireless charging technology---" wireless charging " standard that wireless charging alliance (Wireless Power Consortium) releases, it is a widely used agreement of wireless charging, possess convenience and versatility two big features, the product of different brands, as long as the sign of a QI is arranged, can charge with the QI wireless charger.

Temperature detecting module is used for detecting the temperature of transmitting terminal when being communicated with receiving terminal;

Control module is used for judging that whether the temperature of described transmitting terminal is greater than predetermined threshold value;

In embodiments of the present invention, the temperature of described transmitting terminal can be concrete temperature value, the perhaps temperature signal that generates according to temperature, and when the temperature of described transmitting terminal was concrete temperature value, described predetermined threshold value was concrete and the corresponding numerical value of described temperature value; When the temperature of described transmitting terminal was the temperature signal of temperature generation, described predetermined threshold value was default temperature signal value.

Be applied to the embodiment of the invention, the temperature of transmitting terminal can comprise the surface temperature that refers to transmitting terminal, the realization of the temperature detection of transmitting terminal can have multiple mode in the temperature detecting module, for example can build hardware comparator by thermo-sensitive resistor, perhaps directly by the AD(analog-digital converter) read temperature, send to control module then, perhaps can be directly by directly sending in the control module after the temperature sensor detected temperatures.

A kind of preferred exemplary as the embodiment of the invention, with reference to thermo-sensitive resistor and hardware comparator temperature detection schematic diagram shown in Figure 2, the Vcc power supply is (Vcc is the power supply of a constant voltage output) fixedly the time, top resistance is fixed, be thermo-sensitive resistor below, thermo-sensitive resistor is with the variation of temperature change in resistance.Change in resistance; the voltage dividing potential drop will change; when the surface temperature of transmitting terminal rises to predetermined threshold value; the voltage dividing potential drop will drop to reference voltage of Vref() below; at this moment just can trigger hardware comparator; hardware comparator sends interrupt signal 0 to control module, and control module receives will be called the overheat protector module after the interrupt signal 0 and carry out high-temperature process.

As a kind of preferred exemplary of the embodiment of the invention, with reference to thermo-sensitive resistor and analog-digital converter temperature detection schematic diagram shown in Figure 3, the Vcc power supply is fixed, and top resistance is fixed, and is thermo-sensitive resistor below, and thermo-sensitive resistor is with the variation of temperature change in resistance.Change in resistance, the voltage dividing potential drop will change.When control module is sent the temperature query requests and need be inquired about temperature; analog to digital converter AD is converted to digital signal with the voltage dividing potential drop; and issue control module; control module compares by the IC control chip digital signal corresponding with predetermined threshold value; if the digital signal of the temperature correspondence of transmitting terminal is then called the overheat protector module greater than the digital signal of predetermined threshold value correspondence.

A kind of preferred exemplary as the embodiment of the invention; with reference to temperature sensor temperature detection schematic diagram shown in Figure 4; temperature sensor (Temp Sensor) is digital signal with detected temperature transition directly; when control module need be inquired about temperature; temperature sensor can directly be issued control module with digital signal; control module compares by the IC control chip digital signal corresponding with predetermined threshold value; if the digital signal of the temperature correspondence of transmitting terminal is then called the overheat protector module greater than the digital signal of predetermined threshold value correspondence.Need to prove that temperature sensor is more accurate than the detected temperature of thermo-sensitive resistor.

Charging module is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value described receiving terminal being charged;

In a kind of preferred embodiment of the embodiment of the invention, described charging module may further include following submodule:

Current signal receives submodule, is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value the received current signal;

The conversion submodule is used for converting described current signal to electromagnetic signal;

Send submodule, be used for described electromagnetic signal is sent to receiving terminal, by electromagnetic signal described receiving terminal is charged.

The overheat protector module when being used for temperature at described transmitting terminal greater than predetermined threshold value, stops the charging to described receiving terminal.

Embodiment three

The embodiment 3 of a kind of wireless charger that the embodiment of the invention also provides specifically can comprise transmitting terminal and receiving terminal, and wherein said transmitting terminal specifically can comprise as lower module:

Communication module is used for judging whether to be communicated with described receiving terminal;

Temperature detecting module is used for detecting the temperature of transmitting terminal when being communicated with receiving terminal;

Control module is used for judging that whether the temperature of described transmitting terminal is greater than predetermined threshold value; Charging module is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value described receiving terminal being charged;

The overheat protector module when being used for temperature at described transmitting terminal greater than predetermined threshold value, stops the charging to described receiving terminal.

The temperature detecting module of the embodiment of the invention for detection of the surface temperature of transmitting terminal, in order to transmitting terminal is carried out overheat protector, can more reliably more safely work transmitting terminal.

With reference to transmitting terminal state transition graph shown in Figure 5, transmitting terminal carries out the overheat protector status of processes and changes as follows:

In the selection mode of transmitting terminal (selection) stage, whether significant feature is constantly to detect the placement of receiving device and leave, can detect receiving device by a variety of methods (the QI standard has regulation) and place.Determine and configuration (identification ﹠amp; Configuration) whether the surface temperature of stage detection transmitting terminal is unusual, if because the surface temperature of transmitting terminal is higher than the digital signal (temperature anomaly) of predetermined threshold value or predetermined threshold value correspondence, then by identification ﹠amp; The configuration stage jumps to selection, in the selection stage, (receiving terminal is not taken away if transmitting terminal still detects receiving terminal, it is overheated that just some reasons cause transmitting terminal), will jump to connection (ping) stage, if receiving terminal satisfies wireless charging QI standard, then the ping stage can pass through, and directly jumps to identification ﹠amp; The configuration stage, if the surface temperature at this stage transmitting terminal still is higher than predetermined threshold value, then jump back to selection again, can not charge to receiving terminal, otherwise, if temperature has been lower than predetermined threshold value, will jump to power delivery (power transfer) stage, beginning is charged to receiving terminal again.In charging process, be interrupted (every the Preset Time section, time period can be set up on their own by the user, whether detection 100ms for example) satisfies charge condition, and constantly whether detected temperatures is greater than predetermined threshold value, if just jump back to selection, otherwise continue charging, make and under the situation that satisfies the wireless charging consensus standard, can detect the temperature of wireless charging transmitting terminal, make it safer work.

Embodiment four

With reference to Fig. 6, the flow chart of steps of the method embodiment that a kind of employing wireless charger that showing the embodiment of the invention provides charges specifically can comprise the steps:

Step 301, transmitting terminal judge whether to be communicated with described receiving terminal;

Step 302 when transmitting terminal is communicated with receiving terminal, detects the temperature of transmitting terminal;

Wherein, the temperature of described transmitting terminal is the surface temperature of transmitting terminal.

Step 303 judges that whether the temperature of described transmitting terminal is greater than predetermined threshold value; If, execution in step 304; If not, execution in step 305;

Step 304 stops the charging to described receiving terminal;

Step 305 is charged to described receiving terminal;

In a kind of preferred embodiment of the embodiment of the invention, describedly can comprise following substep to described step 305:

Substep S11, the received current signal;

Substep S12 converts described current signal to electromagnetic signal;

Substep S13 is sent to receiving terminal with described electromagnetic signal, by electromagnetic signal described receiving terminal is charged.

Preferably, described method can also comprise:

Can step 306 when receiving terminal is charged, detect receiving terminal every the judgement of Preset Time section; If can detect receiving terminal, return step 301; If can not detect receiving terminal, return step 304.

For method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the embodiment of the invention is not subjected to the restriction of described sequence of movement, because according to the embodiment of the invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the embodiment of the invention is necessary.

Embodiment five

The embodiment of the invention also provides a kind of equipment, and described equipment comprises:

One or more processors;

Memory; With

One or more modules (programs), described one or more module stores are in described memory and be configured to be carried out by described one or more processors, and wherein, described one or more modules have following function:

Transmitting terminal judges whether to be communicated with described receiving terminal;

When transmitting terminal is communicated with receiving terminal, detect the temperature of transmitting terminal;

Judge that whether the temperature of described transmitting terminal is greater than predetermined threshold value;

When the temperature of described transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged;

During greater than predetermined threshold value, stop the charging to described receiving terminal in the temperature of described transmitting terminal.

Preferably, when described temperature at transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged, can be in the following way:

When the temperature of transmitting terminal is less than or equal to predetermined threshold value, the received current signal;

Convert described current signal to electromagnetic signal;

Described electromagnetic signal is sent to receiving terminal, by electromagnetic signal described receiving terminal is charged.

Preferably, described one or more module also has following function:

When receiving terminal is charged, can detect receiving terminal every the judgement of Preset Time section;

If can detect receiving terminal, return transmitting terminal and judge whether the step that is communicated with described receiving terminal;

If can not detect receiving terminal, stop the charging to described receiving terminal.

Preferably, the temperature of described transmitting terminal is the surface temperature of transmitting terminal.

Embodiment six

Present embodiment also provides a kind of non-volatile readable storage medium, store one or more modules (programs) in this storage medium, when these one or more modules are used in the equipment with touch screen, can be so that this equipment be carried out the instruction (instructions) of following steps:

Transmitting terminal judges whether to be communicated with described receiving terminal;

When transmitting terminal is communicated with receiving terminal, detect the temperature of transmitting terminal;

Judge that whether the temperature of described transmitting terminal is greater than predetermined threshold value;

When the temperature of described transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged;

During greater than predetermined threshold value, stop the charging to described receiving terminal in the temperature of described transmitting terminal.

Preferably, when described temperature at transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged, can be in the following way:

When the temperature of transmitting terminal is less than or equal to predetermined threshold value, the received current signal;

Convert described current signal to electromagnetic signal;

Described electromagnetic signal is sent to receiving terminal, by electromagnetic signal described receiving terminal is charged.

Preferably, preferably, described one or more modules can also make this equipment carry out the instruction of following steps:

When receiving terminal is charged, can detect receiving terminal every the judgement of Preset Time section;

If can detect receiving terminal, return transmitting terminal and judge whether the step that is communicated with described receiving terminal;

If can not detect receiving terminal, stop the charging to described receiving terminal.

Preferably, the temperature of described transmitting terminal is the surface temperature of transmitting terminal.

Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.

Those skilled in the art should understand that the embodiment of the embodiment of the invention can be provided as method, system or computer program.Therefore, the embodiment of the invention can adopt complete hardware embodiment, complete software embodiment or in conjunction with the form of the embodiment of software and hardware aspect.And the embodiment of the invention can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.

The embodiment of the invention is that reference is described according to flow chart and/or the block diagram of method, terminal equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipment to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing terminal equipment produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.

These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing terminal equipment with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.

These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment, make and carry out the sequence of operations step producing computer implemented processing at computer or other programmable terminal equipment, thereby be provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction that computer or other programmable terminal equipment are carried out.

Although described the preferred embodiment of the embodiment of the invention, in a single day those skilled in the art get the basic creative concept of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into embodiment of the invention scope.

At last, also need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make and comprise that process, method, article or the terminal equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or terminal equipment.Do not having under the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment that comprises described key element and also have other identical element.

More than a kind of employing wireless charger that the embodiment of the invention is provided method of charging, a kind of wireless charger, and, a kind of equipment, be described in detail, used specific case herein principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment just is used for helping to understand method and the core concept thereof of the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the thought of the embodiment of the invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the embodiment of the invention.

Claims (10)

1. a wireless charger is characterized in that, comprises transmitting terminal and receiving terminal, and wherein, described transmitting terminal comprises:
Communication module is used for judging whether to be communicated with described receiving terminal;
Temperature detecting module is used for detecting the temperature of transmitting terminal when being communicated with receiving terminal;
Control module is used for judging that whether the temperature of described transmitting terminal is greater than predetermined threshold value;
Charging module is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value described receiving terminal being charged;
The overheat protector module when being used for temperature at described transmitting terminal greater than predetermined threshold value, stops the charging to described receiving terminal.
2. wireless charger according to claim 1 is characterized in that, adopts thermo-sensitive resistor to detect the temperature of transmitting terminal in the described temperature detecting module.
3. wireless charger according to claim 1 is characterized in that, adopts temperature sensor to detect the temperature of transmitting terminal in the described temperature detecting module.
4. according to the described wireless charger of the arbitrary claim of claim 1-3, it is characterized in that described charging module comprises:
Current signal receives submodule, is used for when the temperature of described transmitting terminal is less than or equal to predetermined threshold value the received current signal;
The conversion submodule is used for converting described current signal to electromagnetic signal;
Send submodule, be used for described electromagnetic signal is sent to receiving terminal, by electromagnetic signal described receiving terminal is charged.
5. according to the described wireless charger of the arbitrary claim of claim 1-3, it is characterized in that the temperature of described transmitting terminal is the surface temperature of transmitting terminal.
6. method that application rights requires 1 described wireless charger to charge is characterized in that described method comprises:
Transmitting terminal judges whether to be communicated with described receiving terminal;
When transmitting terminal is communicated with receiving terminal, detect the temperature of transmitting terminal;
Judge that whether the temperature of described transmitting terminal is greater than predetermined threshold value;
When the temperature of described transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged;
During greater than predetermined threshold value, stop the charging to described receiving terminal in the temperature of described transmitting terminal.
7. method according to claim 6 is characterized in that, when described temperature at transmitting terminal was less than or equal to predetermined threshold value, the step that described receiving terminal is charged comprised:
When the temperature of transmitting terminal is less than or equal to predetermined threshold value, the received current signal;
Convert described current signal to electromagnetic signal;
Described electromagnetic signal is sent to receiving terminal, by electromagnetic signal described receiving terminal is charged.
8. according to claim 6 or 7 described methods, it is characterized in that described method also comprises:
When receiving terminal is charged, can detect receiving terminal every the judgement of Preset Time section;
If can detect receiving terminal, return transmitting terminal and judge whether the step that is communicated with described receiving terminal;
If can not detect receiving terminal, stop the charging to described receiving terminal.
9. according to claim 6 or 7 described methods, it is characterized in that the temperature of described transmitting terminal is the surface temperature of transmitting terminal.
10. an equipment is characterized in that, described equipment comprises:
One or more processors;
Memory; With
One or more modules, described one or more module stores are in described memory and be configured to be carried out by described one or more processors, and wherein, described one or more modules have following function:
Transmitting terminal judges whether to be communicated with described receiving terminal;
When transmitting terminal is communicated with receiving terminal, detect the temperature of transmitting terminal;
Judge that whether the temperature of described transmitting terminal is greater than predetermined threshold value;
When the temperature of described transmitting terminal is less than or equal to predetermined threshold value, described receiving terminal is charged;
During greater than predetermined threshold value, stop the charging to described receiving terminal in the temperature of described transmitting terminal.
CN201310105120.3A 2013-03-28 2013-03-28 A kind of employing wireless charger carries out the method for charging and wireless charger CN103269092B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310105120.3A CN103269092B (en) 2013-03-28 2013-03-28 A kind of employing wireless charger carries out the method for charging and wireless charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310105120.3A CN103269092B (en) 2013-03-28 2013-03-28 A kind of employing wireless charger carries out the method for charging and wireless charger

Publications (2)

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CN103269092A true CN103269092A (en) 2013-08-28
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105391189A (en) * 2014-08-28 2016-03-09 苹果公司 Temperature management in a wireless energy transfer system
CN106160031A (en) * 2015-03-25 2016-11-23 联想(北京)有限公司 Electronic equipment and information processing method
WO2016206631A1 (en) * 2015-06-26 2016-12-29 苏州宝时得电动工具有限公司 Wireless charging monitoring apparatus and method, and wireless charging apparatus
CN106602535A (en) * 2016-12-20 2017-04-26 华勤通讯技术有限公司 Transient voltage suppressor TVS short circuit protection method and device
US9813041B1 (en) 2014-07-31 2017-11-07 Apple Inc. Automatic boost control for resonant coupled coils
WO2018081997A1 (en) * 2016-11-04 2018-05-11 华为技术有限公司 Wireless charging method, wireless charging terminal and charging base
US10032557B1 (en) 2014-05-29 2018-07-24 Apple Inc. Tuning of primary and secondary resonant frequency for improved efficiency of inductive power transfer
US10110051B2 (en) 2014-06-13 2018-10-23 Apple Inc. Detection of coil coupling in an inductive charging system
US10116279B2 (en) 2014-02-23 2018-10-30 Apple Inc. Impedance matching for inductive power transfer systems
US10193372B2 (en) 2014-09-02 2019-01-29 Apple Inc. Operating an inductive energy transfer system
US10389274B2 (en) 2017-04-07 2019-08-20 Apple Inc. Boosted output inverter for electronic devices
US10523063B2 (en) 2017-04-07 2019-12-31 Apple Inc. Common mode noise compensation in wireless power systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012047779A1 (en) * 2010-10-06 2012-04-12 Witricity Corporation Vehicle charger safety system and method
CN102474133A (en) * 2009-07-23 2012-05-23 富士通株式会社 Power transmission device, wireless power supply system, and wireless power supply device
CN102694423A (en) * 2011-03-23 2012-09-26 翰林Postech株式会社 Method for controlling power transmission in wireless power transmission apparatus and power transmission apparatus
CN102782985A (en) * 2010-03-31 2012-11-14 本田技研工业株式会社 Contactless charging system
CN202712982U (en) * 2012-06-04 2013-01-30 比亚迪股份有限公司 Sending device of wireless charging and wireless charging system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102474133A (en) * 2009-07-23 2012-05-23 富士通株式会社 Power transmission device, wireless power supply system, and wireless power supply device
CN102782985A (en) * 2010-03-31 2012-11-14 本田技研工业株式会社 Contactless charging system
WO2012047779A1 (en) * 2010-10-06 2012-04-12 Witricity Corporation Vehicle charger safety system and method
CN102694423A (en) * 2011-03-23 2012-09-26 翰林Postech株式会社 Method for controlling power transmission in wireless power transmission apparatus and power transmission apparatus
CN202712982U (en) * 2012-06-04 2013-01-30 比亚迪股份有限公司 Sending device of wireless charging and wireless charging system

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10116279B2 (en) 2014-02-23 2018-10-30 Apple Inc. Impedance matching for inductive power transfer systems
US10032557B1 (en) 2014-05-29 2018-07-24 Apple Inc. Tuning of primary and secondary resonant frequency for improved efficiency of inductive power transfer
US10110051B2 (en) 2014-06-13 2018-10-23 Apple Inc. Detection of coil coupling in an inductive charging system
US9813041B1 (en) 2014-07-31 2017-11-07 Apple Inc. Automatic boost control for resonant coupled coils
US10014733B2 (en) 2014-08-28 2018-07-03 Apple Inc. Temperature management in a wireless energy transfer system
CN105391189A (en) * 2014-08-28 2016-03-09 苹果公司 Temperature management in a wireless energy transfer system
CN105391189B (en) * 2014-08-28 2019-07-26 苹果公司 Temperature management in wireless energy transfer system
US10193372B2 (en) 2014-09-02 2019-01-29 Apple Inc. Operating an inductive energy transfer system
CN106160031A (en) * 2015-03-25 2016-11-23 联想(北京)有限公司 Electronic equipment and information processing method
CN106160031B (en) * 2015-03-25 2019-08-27 联想(北京)有限公司 Electronic equipment and information processing method
WO2016206631A1 (en) * 2015-06-26 2016-12-29 苏州宝时得电动工具有限公司 Wireless charging monitoring apparatus and method, and wireless charging apparatus
CN108604825A (en) * 2016-11-04 2018-09-28 华为技术有限公司 A kind of wireless charging method, wireless charging terminal and charging base
WO2018081997A1 (en) * 2016-11-04 2018-05-11 华为技术有限公司 Wireless charging method, wireless charging terminal and charging base
CN106602535B (en) * 2016-12-20 2019-04-26 华勤通讯技术有限公司 A kind of transient voltage suppressor TVS short-circuit protection method and device
CN106602535A (en) * 2016-12-20 2017-04-26 华勤通讯技术有限公司 Transient voltage suppressor TVS short circuit protection method and device
US10389274B2 (en) 2017-04-07 2019-08-20 Apple Inc. Boosted output inverter for electronic devices
US10523063B2 (en) 2017-04-07 2019-12-31 Apple Inc. Common mode noise compensation in wireless power systems

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