CN105914905A - Method for detecting arranging of wireless charging receiving equipment on wireless charging transmitter and device thereof - Google Patents
Method for detecting arranging of wireless charging receiving equipment on wireless charging transmitter and device thereof Download PDFInfo
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- CN105914905A CN105914905A CN201610261663.8A CN201610261663A CN105914905A CN 105914905 A CN105914905 A CN 105914905A CN 201610261663 A CN201610261663 A CN 201610261663A CN 105914905 A CN105914905 A CN 105914905A
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- 238000001514 detection method Methods 0.000 claims description 34
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- 230000005611 electricity Effects 0.000 claims description 6
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides a method for detecting arranging of wireless charging receiving equipment on a wireless charging transmitter and a device thereof. The method comprises the steps that the state of the wireless charging receiving equipment is detected to meet the specific conditions in the process that the wireless charging transmitter charges wireless charging receiving equipment, and a command of stopping charging is transmitted to the wireless charging transmitter; transmitting of the command of stopping charging is responded, and whether a scheduled interruption event generated on the wireless charging receiving equipment is detected is judged; and if the scheduled interruption event is detected, the wireless charging receiving equipment is detected to be arranged on the wireless charging transmitter, or the wireless charging receiving equipment is detected not to be arranged on the wireless charging transmitter. According to the technical scheme, whether the wireless charging receiving equipment is arranged on the wireless charging transmitter can be detected by the wireless charging receiving equipment.
Description
Technical field
The application relates to the wireless charging of electronic equipment, particularly relates to a kind of detection wireless charging and receives
Equipment is placed in the method and device of wireless charging transmitter.
Background technology
At present, for wireless charging field, receive equipment (such as mobile phone, intelligence at wireless charging
Wrist-watch etc.) be placed in wireless charging transmitter (such as wireless charging base) charging during, if
Wireless charging receives equipment and meets certain condition, such as charging complete, overheated or cross stream etc., nothing
Line charging receiving unit then can send the order stopping charging to wireless charging transmitter, in this feelings
Under condition, although wireless charging transmitter stops wireless charging being received equipment charge, but can the cycle
Property receive equipment to wireless charging and launch a detection signal, be used for detecting wireless charging and receive equipment
The most placed on it.
For above-mentioned situation, although prior art achieves by the unidirectional inspection of wireless charging transmitter
Survey wireless charging reception equipment the most placed on it, but but cannot realize situation in turn, i.e.
Cannot realize being received equipment by wireless charging and whether be placed in wireless charging transmitter detecting it, more one
Step ground is said, prior art also cannot realize wireless charging reception equipment and wireless charging transmitter is carried out
The two-way detection of existence.
Summary of the invention
One purpose of the application is to provide a kind of realization
The no method and device being placed in wireless charging transmitter.
An embodiment according to the application, it is provided that a kind of detection wireless charging receives equipment and is placed in
The method of wireless charging transmitter, the method comprises the following steps:
Wireless charging is detected during wireless charging transmitter receives equipment charge to wireless charging
The state of electricity reception equipment meets specified conditions, sends the life stopping charging to wireless charging transmitter
Order；
In response to the transmission stopping charge command, it may be judged whether detect on wireless charging reception equipment
Produced predetermined interrupt event；
If be detected that this predetermined interrupt event, then detect that described wireless charging receives equipment and is placed in
Wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment and is not positioned in wireless
Charging transmitter.
According to another embodiment of the application, additionally provide a kind of detection wireless charging and receive equipment
Being placed in the device of wireless charging transmitter, this device includes:
Condition adjudgement unit, for receiving equipment charge at wireless charging transmitter to wireless charging
During, detection wireless charging receives whether the state of equipment meets specified conditions；
Command sending unit, meets specified conditions for receiving the state of equipment in response to wireless charging,
The order stopping charging being sent to wireless charging transmitter；
Interrupt event judging unit, in response to the transmission stopping charge command, it may be judged whether inspection
Measure on wireless charging reception equipment based on interrupt event predetermined produced by this signal；
Detector unit, for being produced based on this signal on wireless charging reception equipment in response to detecting
Raw predetermined interrupt event, detects that described wireless charging receives equipment and is placed in wireless charging transmitter,
Otherwise, then detect that described wireless charging receives equipment and is not positioned in wireless charging transmitter.
According to another embodiment of the application, additionally provide a kind of wireless charging and receive equipment, institute
State wireless charging reception equipment to include:
Receive device, including for response from wireless charging transmitter send for detecting it
Whether there is wireless charging and receive the signal of equipment, produce the signal pin of level signal；
Processor, including being connected with described signal pin and producing based on described level signal predetermined
The interrupt pin of interrupt event；
Detection device, in response to predetermined interrupt event being detected, detects described wireless charging
Reception equipment is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment
It is not positioned in wireless charging transmitter.
Compared with prior art, embodiments herein has the advantage that
When whether the embodiment of the present application there is predetermined interruption by detection wireless charging reception equipment self
Between, thus detect that wireless charging receives whether equipment self is placed in wireless charging transmitter exactly,
And then achieve wireless charging on the basis of existing technology and receive equipment and wireless charging transmitter and enter
The two-way detection of row existence.
Further, embodiments herein, by wireless charging reception equipment, will receive
From wireless charging transmitter send, be used for detecting on it whether exist wireless charging receive set
Standby signal associates with predetermined interrupt event, by judging whether to occur the predetermined interruption thing of this association
Part, thus effectively detect that wireless charging receives whether equipment self is placed in wireless charging transmitter.
Accompanying drawing explanation
The detailed description that non-limiting example is made made with reference to the following drawings by reading,
Other features, purpose and advantage will become more apparent upon:
Fig. 1 schematically illustrates wireless charging transmitter and wireless charging reception in prior art and sets
Standby device sketch；
Fig. 2 shows that the wireless charging according to one embodiment of the application receives the schematic frame of equipment
Figure；
Fig. 3 shows that the wireless charging transmitter according to one embodiment of the application and wireless charging connect
The device sketch of receiving unit；
Fig. 4 be one embodiment of the application for detect wireless charging receive equipment be placed in wireless charging
The schematic block diagram of the device of electricity transmitter；
Fig. 5 is that the detection wireless charging of one embodiment of the application receives equipment and is placed in wireless charging and sends out
Penetrate the method flow diagram of machine；
In accompanying drawing, same or analogous reference represents same or analogous parts.
Detailed description of the invention
It should be mentioned that, some exemplary realities before being discussed in greater detail exemplary embodiment
Execute process or method that example is described as describing as flow chart.Although operations is retouched by flow chart
State into the process of order, but many of which operation can be by concurrently, concomitantly or simultaneously
Implement.Additionally, the order of operations can be rearranged.The most described place
Reason can be terminated, it is also possible to have the additional step being not included in accompanying drawing.Described process
Can correspond to method, function, code, subroutine, subprogram etc..
Term used herein above is only used to describe specific embodiment and be not intended to limit exemplary
Embodiment.Unless the context clearly dictates otherwise, singulative the most used herein above " ",
" one " alsos attempt to include plural number.It is to be further understood that term used herein above " include " and/
Or " comprising " specifies the existence of feature, integer, step, operation, unit and/or the assembly stated,
And do not preclude the presence or addition of other features one or more, integer, step, operation, unit,
Assembly and/or a combination thereof.
It should further be mentioned that in some replace implementation, the function/action being previously mentioned is permissible
Occur according to being different from accompanying drawing the order indicated.For example, involved function/dynamic is depended on
Making, the two width figures in succession illustrated can essentially substantially simultaneously perform or sometimes can be according to phase
Anti-order performs.
Below in conjunction with the accompanying drawings the application is described in further detail.
In order to preferably highlight the advantage of the embodiment of the present application, first wireless charging transmitter is opposite to
The process that wireless charging thereon reception equipment is charged is described.
Wherein embodiments herein is applicable to include but not limited to by wireless charging alliance (WPC)
The substandard wireless charging of Qi wireless charging released.
Wherein said wireless charging receive equipment include but not limited to mobile phone, intelligent watch and other
The electronic equipment of charging can be realized by wireless charging technology.
Wherein said wireless charging transmitter includes but not limited to that being coupled to electronics by electromagnetic induction sets
The charger of standby transmission electric energy, such as wireless charging base.
Wherein wireless charging receives equipment and is placed in wireless charging transmitter and can refer to: wireless charging receives
Equipment is positioned on wireless charging transmitter, or is positioned at other positions can charged by wireless charging transmitter
Put, such as close to the position of wireless charging transmitter.
Fig. 1 schematically illustrate wireless charging transmitter in prior art (be called for short " transmitting terminal ") and
Wireless charging receives the device sketch of equipment (being called for short " receiving terminal ").
As it is shown in figure 1, receiving terminal includes receiving terminal coil, rectification circuit, receiving terminal chip, connects
Receiving end battery and processor, transmitting terminal includes transmitting terminal coil, circuit for power conversion, transmitting terminal core
Sheet and charging indicator light.For receiving terminal, receiving terminal coil based on electromagnetic induction from transmitting terminal
Coil obtains faradic signal, thus this signal arrives receiving terminal chip through rectification circuit,
And then receiving terminal chip is charged to receiving terminal battery under the control of a processor；For transmitting terminal
For, the process by circuit for power conversion of the power of transmitting terminal chip output, arrive and launch end line
Circle, and then form the AC signal on transmitting terminal coil, this AC signal is based on electromagnetism
Sensing, makes receiving terminal coil produce faradic current.It addition, transmitting terminal can also include charging instruction
Lamp, to indicate whether transmitting terminal is in the state of receiving terminal charging.
According to Qi wireless charging standard, when receiving terminal meets some requirements, such as charging complete,
Crossing stream, overheated etc., receiving terminal can send to transmitting terminal require that transmitting terminal stops output (i.e.
Charging) order.For this situation, " power stops output " (EPT, End Power can be referred to as
Transfer) pattern.
Under EPT pattern, transmitting terminal will stop to receiving terminal output, but still can be periodically
Ground sends cycle the shortest pulse signal to receiving terminal, and this pulse is used for detecting whether receiving terminal goes back quilt
It is placed on transmitting terminal.Transmitting terminal is launched to the action of this pulse, can be described as ping at this.
For this ping action of transmitting terminal, if receiving terminal is placed on transmitting terminal, transmitting terminal institute
The pulse launched will trigger the related chip work in receiving terminal, so that receiving terminal is in response to this arteries and veins
Rushing at transmitting terminal and inform the state being currently located, based on this state, transmitting terminal can determine whether out receiving terminal
It is placed on transmitting terminal.
Connect by wireless charging transmitter unidirectional detection wireless charging although the device shown in Fig. 1 achieves
Receiving unit is the most placed on it, but but cannot realize situation in turn, is i.e. connect by wireless charging
Receiving unit detects it and whether is placed in wireless charging transmitter, and more one step ground is said, prior art also without
Method realizes wireless charging and receives equipment and wireless charging transmitter and carry out the two-way detection of existence.
In some scenes, it is achieved received equipment by wireless charging and detect whether it is placed in wireless charging
Electricity transmitter is very important.
As a example by following scene:
In order to realize the highest charge efficiency on wireless charging reception equipment, and in order to prevent
Charge overheated problem, it is achieved alap charging temperature, wireless charging is received equipment and carries out
Intermittently, charge high-output power, i.e. with the highest output, receiving terminal is carried out soon
Speed charging, once during charging the temperature of this receiving terminal rise to a certain value i.e. by receiving terminal to
Transmitting terminal sends order and suspends output, is so easy to the temperature making receiving terminal in halt input merit
Rapid decrease in the case of rate, and when dropping to certain value, can be sent out to transmitting terminal by receiving terminal again
The mode made of losing one's life allows transmitting terminal charge with recovering high power.Suspend at transmitting terminal and export to receiving terminal
During efficiency, the interface of receiving terminal often shows receiving terminal has stopped the instruction of charging,
This instruction is experienced often to the charging of user and is caused very bad impact.Thus, in order to avoid giving
The bad experience stopped when charging when user causes, it is necessary to do one on the interface of receiving terminal
A little improvement, make receiving terminal also can be shown as charging, changing on this interface during suspending charging
Enter the preferable experience that can bring trickle charge to user.
But, above-mentioned interface is improved the charging of targeted time-out and is referred to receiving terminal and be still located at transmitting terminal
Upper, transmitting terminal may recover the situation to receiving terminal electromotive power output at any time, and once receiving terminal does not has
Have and be positioned on transmitting terminal, then need receiving terminal to remain to correctly and show that it has stopped charging.
And based on existing technology, due to can only be by wireless charging transmitter unidirectional detection wireless charging
Reception equipment is the most placed on it, but but cannot realize situation in turn, thus works as receiving terminal
In the case of being not at transmitting terminal, the interface of receiving terminal shows that it is also in charging the most mistakenly.
In order to solve the problem of the most above-mentioned scene, the application by receiving terminal is improved, from
And make receiving terminal detection based on self can judge that it is the most exactly during charging
It is positioned at transmitting terminal.
Refer to Fig. 2, Fig. 2 and show that the wireless charging according to one embodiment of the application receives equipment
Schematic block diagram.
According to Fig. 2, described wireless charging receives equipment and includes:
Receive device 201, including for response from wireless charging transmitter send for detecting it
On whether exist wireless charging receive equipment signal, produce level signal signal pin.
Processor 202, including being connected with described signal pin and producing based on described level signal pre-
Determine the interrupt pin of interrupt event.
Detection device 203, in response to predetermined interrupt event being detected, detects described wireless charging
Electricity reception equipment is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives and sets
For being not positioned in wireless charging transmitter.
Wherein receive device 201 can refer in wireless charging reception equipment for receiving transmitting terminal transmitting
Radio signal and control command based on processor 202 carry out the chip of respective response.
Wherein, said modules 201～203 can be independent assembly, it is also possible to be to combine
Assembly, such as during above-mentioned detection device 203 can be contained in processor 202.
As a example by detection device 203 is contained in processor 202, refer to Fig. 3, Fig. 3 and show
Wireless charging transmitter (being called for short " transmitting terminal ") and wireless charging according to the embodiment of the present application receive and set
The device sketch of standby (being called for short " receiving terminal ").
As described above, under EPT pattern, transmitting terminal will stop to receiving terminal output, but
It is still periodically to send cycle the shortest pulse signal (for ease of describing, at this to receiving terminal
By this pulse signal referred to as " ping pulse "), this pulse is used for detecting receiving terminal and is the most also placed in
On transmitting terminal.For this situation, if receiving terminal is placed on transmitting terminal, receive device 201 (as
Receiving terminal chip in Fig. 3) some pins on would generally produce some level signals, for the time being will
These pins are referred to as " signal pin ".In order to detect this level signal timely and effectively, the application will
Signal pin is connected to the interrupt pin of processor 202, and this interrupt pin is receiving this level letter
The generation of predetermined interrupt event can be caused on processor 202 in the case of number.Thus, once
Detection device 203 detects this interrupt event, wireless charging can be made to receive equipment Inspection and go out it also
It is positioned on wireless charging transmitter.
That is, receiving terminal often receives a ping pulse mentioned above, all can be on a processor
Produce an interrupt event, thus receiving terminal has only to can to have based on to the detection of this interrupt event
Detect whether receiving terminal is also located on transmitting terminal to effect.
Further, in order to avoid signal pin and interrupt pin be directly connected to cause receiving device
Super-high-current on 201 etc. and affect the normal work that receives device 201, described wireless charging receives
Equipment also includes:
-resistance, this resistance one end connects with described interrupt pin, and the other end is connected with signal pin,
For limiting the signal of telecommunication size of described reception device.
As it is shown on figure 3, resistance therein is connected on signal pin and the process receiving device 201
Between the interrupt pin of device 202, it is used for preventing from producing on this series circuit super-high-current, this resistance
It is preferably high-impedance resistors.
Preferably, in order to detect whether receiving terminal is also located on transmitting terminal more in time, it is also possible to
Installing a timer (timer) on the receive side, this timer can be with the processor phase of transmitting terminal
Connect, when the processor of receiving terminal requires to send out to transmitting terminal transmission by such as controlling receiving terminal chip
Penetrate end and stop the order of output (i.e. charging), then processor controls this timer and is set
The timing of time or countdown, thus described detection device 203 does not has in response in the time set
In the case of interrupt event being detected, detect that described wireless charging receives equipment and is not positioned in wireless
Charging transmitter, otherwise, then detect that described wireless charging receives equipment and is placed in wireless charging transmitting
On machine.
For the process of detection device 203 detection, this timer can correspondingly carry out countdown,
If receiving terminal detects interrupt event within the time of countdown, this timer will reset and in inspection
Survey countdown again when that device 203 needing to detect.
Preferably, in order to improve the accuracy of detection, the countdown that described timer is arranged time
Between be set greater than or equal to cycle of described signal, thus enter into EPT pattern for transmitting terminal
Under cycle of each described signal, in detecting within the time being equal or slightly larger than this cycle
Disconnected event.
An embodiment according to the application, additionally provides a kind of described in any of the above-described embodiment
Wireless charging receive equipment coupling wireless charging transmitter.
An embodiment according to the application, refer to Fig. 4, Fig. 4 is one embodiment of the application
The schematic block diagram that equipment is placed in the device of wireless charging transmitter is received for detecting wireless charging.
Wherein the device of the application is positioned on wireless charging reception equipment, it is adaptable to include but not limited to
The substandard wireless charging of Qi wireless charging released by wireless charging alliance (WPC).
Wherein said wireless charging receive equipment include but not limited to mobile phone, intelligent watch and other
The electronic equipment of charging can be realized by wireless charging technology.
Wherein said wireless charging transmitter includes but not limited to that being coupled to electronics by electromagnetic induction sets
The charger of standby transmission electric energy.
Wherein wireless charging receives equipment and is placed in wireless charging transmitter and can refer to: wireless charging receives
Equipment is positioned on wireless charging transmitter, or is positioned at other positions can charged by wireless charging transmitter
Put, such as close to the position of wireless charging transmitter.
According to Fig. 4, described device includes:
Condition adjudgement unit 301, for receiving equipment charge at wireless charging transmitter to wireless charging
During, detection wireless charging receives whether the state of equipment meets specified conditions.
Command sending unit 302, meets specific bar for receiving the state of equipment in response to wireless charging
Part, sends the order stopping charging to wireless charging transmitter.
Interrupt event judging unit 303, in response to the transmission stopping charge command, it may be judged whether
Detect on wireless charging reception equipment based on interrupt event predetermined produced by this signal.
Detector unit 304, in response to detecting on wireless charging reception equipment based on this signal institute
The predetermined interrupt event produced, detects that described wireless charging receives equipment and is placed in wireless charging transmitting
Machine, otherwise, then detects that described wireless charging receives equipment and is not positioned in wireless charging transmitter.
Hereafter said units will be described in detail.
For condition adjudgement unit 301, described wireless charging receives the state of equipment and meets spy
Fixed condition can include following at least one:
-wireless charging receives equipment and is in the state of charging complete；
-wireless charging receives the temperature of equipment and rises to predetermined high level；
-wireless charging receives the electric current of equipment and exceedes predetermined current value.
For command sending unit 302, such as charge when wireless charging reception equipment is in
The states such as one-tenth, overheated, mistake stream, then can send one to transmitting terminal and make it stop to receiving terminal output
The order of power, i.e. stops the order of charging, and this process is EPT pattern above.
As described above, when entering EPT pattern, transmitting terminal would generally stop to receiving terminal output work
Rate, but still can periodically to receiving terminal send cycle the shortest pulse signal (for ease of describing,
At this by this pulse signal referred to as " ping pulse "), this pulse is used for detecting whether receiving terminal goes back quilt
It is placed on transmitting terminal.For this situation, if receiving terminal is placed on transmitting terminal, receiving terminal is usual
Corresponding change in electric can be produced, such as within it based on this received ping pulse
Produce level signal on the pin of a little chips, and the application can sentence by detecting this level signal
Whether disconnecting receiving end is placed in transmitting terminal.
In the present embodiment, can believe with this level by arranging on such as processor in transmitting terminal
Number corresponding event, common such as the interrupt event on processor, this level signal once detected,
Then trigger the generation of interrupt event on processor, thus the detection of level signal will be converted into interruption
The generation of event, thus more accurately significantly more judge whether receiving terminal is placed on transmitting terminal.
Thus, for described interrupt event judging unit 303, alternatively, it is used for:
-judge whether to detect on wireless charging reception equipment, based on the wireless charging transmitting received
Machine send for detect whether exist on it wireless charging receive equipment signal, produced in advance
Determine interrupt event.
Specifically, when receiving terminal receive transmitting terminal send for detecting whether there is nothing on it
The signal of line charging receiving unit, this receiving terminal can produce corresponding change in electric, by inciting somebody to action
This signal of telecommunication associates with the predetermined interrupt event on receiving terminal, thus if it occur that this corresponding telecommunications
, then there is this predetermined interrupt event at receiving terminal in number change, thus by detector unit 304 in advance
Determine the detection of interrupt event, judge that receiving terminal is placed in transmitting terminal accurately and effectively, otherwise, then connect
Receiving end is not positioned in transmitting terminal.
Preferably, in order to judge whether receiving terminal is placed in transmitting terminal more accurately more in time, described
Interrupt event judging unit 303 is used for:
-judge whether to detect in the given time on wireless charging reception equipment produced predetermined in
Disconnected event；
Described detector unit 304, is used for:
-if this predetermined interrupt event detected in the given time, then detect described wireless charging
Reception equipment is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment
It is not positioned in wireless charging transmitter.
Alternatively, the described scheduled time is more than or equal to the cycle of described signal.
That is, enter into the cycle of the described signal of each under EPT pattern for transmitting terminal,
Interrupt event is detected rather than any by receiving terminal in being equal or slightly larger than the time in this cycle
In the case of any time interrupt event is detected, both can avoid detect power waste,
Can detect in time equal to or more than the cycle of this signal of the transmitting of transmitting terminal because of the detection cycle again
Go out wireless charging and receive whether equipment is placed on wireless charging transmitter.
Compared with prior art, the present embodiment can be for EPT pattern (receiving terminal mentioned above
To transmitting terminal send require transmitting terminal stop output order) under receiving terminal, effectively examine
Measure whether it is positioned on transmitting terminal, thus on the UI interface of receiving terminal, correctly fill power-off
Prompting.
Fig. 5 is that the detection wireless charging of one embodiment of the application receives equipment and is placed in wireless charging and sends out
Penetrate the method flow diagram of machine.
Wherein, the application goes for including but not limited to be pushed away by wireless charging alliance (WPC)
The substandard wireless charging of Qi wireless charging gone out.
Wherein said wireless charging receive equipment include but not limited to mobile phone, intelligent watch and other
The electronic equipment of charging can be realized by wireless charging technology.
Wherein said wireless charging transmitter includes but not limited to that being coupled to electronics by electromagnetic induction sets
The charger of standby transmission electric energy.
Wherein wireless charging receives equipment and is placed in wireless charging transmitter and can refer to: wireless charging receives
Equipment is positioned on wireless charging transmitter, or is positioned at other positions can charged by wireless charging transmitter
Put, such as close to the position of wireless charging transmitter.
Method shown in Fig. 5 is received equipment by wireless charging and performs.
Refer to Fig. 5, described detection wireless charging receives the method that equipment is placed in wireless charging transmitter
Including step S101, step S102 and step S103.
Step S101, examines during wireless charging transmitter receives equipment charge to wireless charging
The state measuring wireless charging reception equipment meets specified conditions, sends to wireless charging transmitter and stops
The only order of charging.
Step S102, in response to the transmission stopping charge command, it may be judged whether wireless charging detected
Produced predetermined interrupt event on reception equipment.
Step S103, if be detected that this predetermined interrupt event, then detects that described wireless charging connects
Receiving unit is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment and do not has
It is placed in wireless charging transmitter.
Specifically, for step S101, described wireless charging receives the state of equipment and meets specific bar
Part can include but not limited to following at least one:
Wireless charging receives equipment and is in the state of charging complete；
Wireless charging receives the temperature of equipment and rises to predetermined high level；
Wireless charging receives the electric current of equipment and exceedes predetermined current value.
Further, it is in such as charging complete, overheated, mistake stream etc. when wireless charging receives equipment
State, then can send one to transmitting terminal and make it stop the order to receiving terminal output, i.e. stop
The only order of charging, this process is EPT pattern above.
As described above, when entering EPT pattern, transmitting terminal would generally stop to receiving terminal output work
Rate, but still can periodically to receiving terminal send cycle the shortest pulse signal (for ease of describing,
At this by this pulse signal referred to as " ping pulse "), this pulse is used for detecting whether receiving terminal goes back quilt
It is placed on transmitting terminal.For this situation, if receiving terminal is placed on transmitting terminal, receiving terminal is usual
Corresponding change in electric can be produced, such as within it based on this received ping pulse
Produce level signal on the pin of a little chips, and the application can sentence by detecting this level signal
Whether disconnecting receiving end is placed in transmitting terminal.
In the present embodiment, can believe with this level by arranging on such as processor in transmitting terminal
Number corresponding event, common such as the interrupt event on processor, this level signal once detected,
Then trigger the generation of interrupt event on processor, thus the detection of level signal will be converted into interruption
The generation of event, thus based on step S102, in response to the transmission stopping charge command, it is judged that be
No produced predetermined interrupt event detected on wireless charging reception equipment, more specifically judge be
The no use detecting on wireless charging reception equipment, sending based on the wireless charging transmitter received
Wireless charging the reception signal of equipment, produced predetermined interrupt event whether is there is on it in detecting.
It is further based on step S103, if be detected that this predetermined interrupt event, then detects institute
State wireless charging reception equipment and be placed in wireless charging transmitter, otherwise, then detect described wireless charging
It is more accurate that electricity reception equipment is not positioned in wireless charging transmitter, thus significantly more judges to receive
Whether end is placed on transmitting terminal.
Alternatively, above-mentioned judge whether to detect on wireless charging reception equipment produced predetermined in
Disconnected event includes:
In making a reservation for produced by judging whether to detect in the given time on wireless charging reception equipment
Disconnected event；
Described if be detected that this predetermined interrupt event, then detect that described wireless charging receives equipment
It is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment and is not positioned in
The step of wireless charging transmitter includes:
If this predetermined interrupt event being detected in the given time, then detect described wireless charging
Reception equipment is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment
It is not positioned in wireless charging transmitter.
Wherein, the described scheduled time is more than or equal to the cycle of described signal.
That is, enter into the cycle of the described signal of each under EPT pattern for transmitting terminal,
Interrupt event is detected rather than any by receiving terminal in being equal or slightly larger than the time in this cycle
In the case of any time interrupt event is detected, both can avoid detect power waste,
Can detect in time equal to or more than the cycle of this signal of the transmitting of transmitting terminal because of the detection cycle again
Go out wireless charging and receive whether equipment is placed on wireless charging transmitter.
It should be noted that the application can be carried out in the assembly of hardware at software and/or software,
Such as, each device of the application can use special IC (ASIC) or any other be similar to
Hardware device realizes.In one embodiment, the software program of the application can pass through processor
Perform to realize steps described above or function.Similarly, the software program of the application (includes phase
The data structure closed) can be stored in computer readable recording medium storing program for performing, such as, RAM stores
Device, magnetically or optically driver or floppy disc and similar devices.It addition, some steps of the application or merit
Can employ hardware to realize, such as, perform each step or merit as coordinating with processor
The circuit of energy.
It is obvious to a person skilled in the art that the application is not limited to above-mentioned one exemplary embodiment
Details, and in the case of without departing substantially from spirit herein or basic feature, it is possible to other
Concrete form realizes the application.Which point therefore, no matter from the point of view of, embodiment all should be regarded as
Exemplary, and be nonrestrictive, scope of the present application by claims rather than on
State bright restriction, it is intended that the institute that will fall in the implication of equivalency and scope of claim
Change and be included in the application.Should not be considered as any reference in claim limiting institute
The claim related to.Furthermore, it is to be understood that " an including " word is not excluded for other unit or step, odd number is not
Get rid of plural number.In system claims multiple unit of statement or device can also by a unit or
Device is realized by software or hardware.The first, the second word such as grade is used for representing title, and also
Do not indicate that any specific order.
Although the most specifically shown and describe exemplary embodiment, but those skilled in the art
Will be understood that in the case of without departing substantially from the spirit and scope of claims, in its form
Can be varied from details aspect.
Claims (10)
1. detecting wireless charging and receive the method that equipment is placed in wireless charging transmitter, its feature exists
In, the method includes:
Wireless charging is detected during wireless charging transmitter receives equipment charge to wireless charging
The state of electricity reception equipment meets specified conditions, sends the order stopping charging to wireless charging transmitter；
In response to the transmission stopping charge command, it may be judged whether institute on wireless charging reception equipment detected
The predetermined interrupt event produced；
If be detected that this predetermined interrupt event, then detect that described wireless charging receives equipment and is placed in nothing
Line charging transmitter, otherwise, then detects that described wireless charging receives equipment and is not positioned in wireless charging
Transmitter.
Method the most according to claim 1, it is characterised in that described wireless charging receives equipment
State meet specified conditions include following at least one:
Wireless charging receives equipment and is in the state of charging complete；
Wireless charging receives the temperature of equipment and rises to predetermined high level；
Wireless charging receives the electric current of equipment and exceedes predetermined current value.
Method the most according to claim 1, it is characterised in that described in judge whether nothing to be detected
On line charging receiving unit, produced predetermined interrupt event includes:
Judge whether to detect on wireless charging reception equipment, based on the wireless charging transmitter received
Send for detect whether exist on it wireless charging receive equipment signal, produced predetermined in
Disconnected event.
4. according to the method described in any one of claims 1 to 3, it is characterised in that described in judge whether
Detect that on wireless charging reception equipment, produced predetermined interrupt event includes:
In making a reservation for produced by judging whether to detect in the given time on wireless charging reception equipment
Disconnected event；
Described if be detected that this predetermined interrupt event, then detect that described wireless charging receives equipment and puts
In wireless charging transmitter, otherwise, then detect that described wireless charging receives equipment and is not positioned in wireless
The step of charging transmitter includes:
If this predetermined interrupt event being detected in the given time, then detect that described wireless charging connects
Receiving unit is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment and do not has
It is placed in wireless charging transmitter.
Method the most according to claim 4, it is characterised in that the described scheduled time more than or etc.
Cycle in described signal.
6. detecting wireless charging reception equipment and be placed in a device for wireless charging transmitter, its feature exists
In, this device includes:
Condition adjudgement unit, for receiving the mistake of equipment charge at wireless charging transmitter to wireless charging
Cheng Zhong, detection wireless charging receives whether the state of equipment meets specified conditions；
Command sending unit, meets specified conditions for receiving the state of equipment in response to wireless charging,
The order stopping charging being sent to wireless charging transmitter；
Interrupt event judging unit, in response to the transmission stopping charge command, it may be judged whether detection
Based on interrupt event predetermined produced by this signal on wireless charging reception equipment；
Detector unit, for being produced based on this signal on wireless charging reception equipment in response to detecting
Predetermined interrupt event, detect described wireless charging receive equipment be placed in wireless charging transmitter, no
Then, then detect that described wireless charging receives equipment and is not positioned in wireless charging transmitter.
Device the most according to claim 6, it is characterised in that described wireless charging receives equipment
State meet specified conditions include following at least one:
Wireless charging receives equipment and is in the state of charging complete；
Wireless charging receives the temperature of equipment and rises to predetermined high level；
Wireless charging receives the electric current of equipment and exceedes predetermined current value.
Device the most according to claim 6, it is characterised in that interrupt event judging unit is used for:
Judge whether to detect on wireless charging reception equipment, based on the wireless charging transmitter received
Send for detect whether exist on it wireless charging receive equipment signal, produced predetermined in
Disconnected event.
9. according to the device described in any one of claim 6～8, it is characterised in that
Described interrupt event judging unit is used for:
In making a reservation for produced by judging whether to detect in the given time on wireless charging reception equipment
Disconnected event；
Described detector unit, is used for:
If this predetermined interrupt event being detected in the given time, then detect that described wireless charging connects
Receiving unit is placed in wireless charging transmitter, otherwise, then detects that described wireless charging receives equipment and do not has
It is placed in wireless charging transmitter.
Device the most according to claim 9, it is characterised in that the described scheduled time more than or etc.
Cycle in described signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261663.8A CN105914905B (en) | 2016-04-25 | 2016-04-25 | Detection wireless charging receiving device is placed in the method and device of wireless charging transmitter |
| PCT/CN2016/098616 WO2017185583A1 (en) | 2016-04-25 | 2016-09-09 | Method and device for detecting wireless charging receiving device being placed on wireless charging transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610261663.8A CN105914905B (en) | 2016-04-25 | 2016-04-25 | Detection wireless charging receiving device is placed in the method and device of wireless charging transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105914905A true CN105914905A (en) | 2016-08-31 |
| CN105914905B CN105914905B (en) | 2019-01-29 |
Family
ID=56752791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610261663.8A Active CN105914905B (en) | 2016-04-25 | 2016-04-25 | Detection wireless charging receiving device is placed in the method and device of wireless charging transmitter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105914905B (en) |
| WO (1) | WO2017185583A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106993942A (en) * | 2017-04-26 | 2017-08-01 | 歌尔股份有限公司 | Intelligent kettle and its control method |
| WO2017185583A1 (en) * | 2016-04-25 | 2017-11-02 | 上海墨百意信息科技有限公司 | Method and device for detecting wireless charging receiving device being placed on wireless charging transmitter |
| CN112534673A (en) * | 2018-07-16 | 2021-03-19 | 三星电子株式会社 | Electronic device for receiving wireless power and wireless charging method thereof |
| CN114448064A (en) * | 2022-04-12 | 2022-05-06 | 南昌嘉信高科技有限公司 | Wireless charging control method, system, storage medium and wireless charging transmitter |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120619B (en) * | 2021-11-12 | 2023-10-10 | 天津朗泽科技有限公司 | Device and method for detecting matching relation of radio remote control device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105914905B (en) | 2019-01-29 |
| WO2017185583A1 (en) | 2017-11-02 |
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