CN105914905B - Detection wireless charging receiving device is placed in the method and device of wireless charging transmitter - Google Patents
Detection wireless charging receiving device is placed in the method and device of wireless charging transmitter Download PDFInfo
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- CN105914905B CN105914905B CN201610261663.8A CN201610261663A CN105914905B CN 105914905 B CN105914905 B CN 105914905B CN 201610261663 A CN201610261663 A CN 201610261663A CN 105914905 B CN105914905 B CN 105914905B
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- 238000007600 charging Methods 0.000 title claims abstract description 326
- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000004044 response Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000005674 electromagnetic induction Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
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Classifications
-
- 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
This application provides the method and devices that a kind of detection wireless charging receiving device is placed in wireless charging transmitter, its method includes: to detect that the state of wireless charging receiving device meets specified conditions during wireless charging transmitter charges to wireless charging receiving device, and the order for stopping charging being sent to wireless charging transmitter；In response to stopping the transmission of charge command, judge whether to detect generated predetermined interrupt event on wireless charging receiving device；If detecting the predetermined interrupt event, detect that the wireless charging receiving device is placed in wireless charging transmitter, otherwise, then detects that the wireless charging receiving device is not positioned in wireless charging transmitter.According to the technical solution of the application, it can be realized by wireless charging receiving device and detect whether it is placed on wireless charging transmitter.
Description
Technical field
This application involves the wireless chargings of electronic equipment more particularly to a kind of detection wireless charging receiving device to be placed in wirelessly
The method and device of charging transmitter.
Background technique
Currently, being placed in wirelessly for wireless charging field in wireless charging receiving device (such as mobile phone, smartwatch)
During charging transmitter (such as wireless charging pedestal) charging, if wireless charging receiving device is met certain condition, such as
Charging complete, overheat or overcurrent etc., wireless charging receiving device can then send the life for stopping charging to wireless charging transmitter
It enables, it in this case, can be periodically to nothing although wireless charging transmitter stops charging to wireless charging receiving device
Whether line charge electricity receiving device emits a detection signal, also placed on it for detecting wireless charging receiving device.
For above situation, although the prior art realizes and unidirectionally detects wireless charging by wireless charging transmitter and connect
Whether receiving unit placed on it, but cannot achieve situation in turn, that is, cannot achieve by wireless charging receiving device Lai
Detect whether it is placed in wireless charging transmitter, more say to a step, the prior art also cannot achieve wireless charging receiving device and
The two-way detection of wireless charging transmitter progress existence.
Summary of the invention
The purpose of the application is to provide a kind of realize and detects whether it is placed in wirelessly by wireless charging receiving device
The method and device of charging transmitter.
According to one embodiment of the application, provides a kind of detection wireless charging receiving device and be placed in wireless charging transmitting
The method of machine, method includes the following steps:
Wireless charging receiving device is detected during wireless charging transmitter charges to wireless charging receiving device
State meet specified conditions, to wireless charging transmitter send stop charging order；
In response to stopping the transmission of charge command, judge whether to detect generated predetermined on wireless charging receiving device
Interrupt event；
If detecting the predetermined interrupt event, detect that the wireless charging receiving device is placed in wireless charging transmitting
Otherwise machine then detects that the wireless charging receiving device is not positioned in wireless charging transmitter.
According to another embodiment of the application, additionally provides a kind of detection wireless charging receiving device and be placed in wireless charging
The device of transmitter, the device include:
State judging unit, for detecting during wireless charging transmitter charges to wireless charging receiving device
Whether the state of wireless charging receiving device meets specified conditions；
Command sending unit, for meeting specified conditions in response to the state of wireless charging receiving device, to wireless charging
Transmitter sends the order for stopping charging；
Interrupt event judging unit judges whether to detect wireless charging for the transmission in response to stopping charge command
Based on predetermined interrupt event caused by the signal on receiving device；
Detection unit, for being interrupted on wireless charging receiving device based on predetermined caused by the signal in response to detecting
Event detects that the wireless charging receiving device is placed in wireless charging transmitter, otherwise, then detects that the wireless charging connects
Receiving unit is not positioned in wireless charging transmitter.
According to another embodiment of the application, a kind of wireless charging receiving device is additionally provided, the wireless charging connects
Receiving unit includes:
Reception device, including whether there is thereon wirelessly from what wireless charging transmitter was sent for detecting for responding
The signal of charging receiving device, generates the signal pin of level signal；
Processor, including being connected with the signal pin and being generated in predetermined interrupt event based on the level signal
Disconnected pin；
Detection device, for detecting that the wireless charging receiving device is placed in response to detecting predetermined interrupt event
Otherwise wireless charging transmitter then detects that the wireless charging receiving device is not positioned in wireless charging transmitter.
Compared with prior art, embodiments herein has the advantage that
The embodiment of the present application is by detecting whether wireless charging receiving device itself occurs the predetermined break period, thus accurately
Ground detects whether wireless charging receiving device itself is placed in wireless charging transmitter, and then realizes on the basis of existing technology
Wireless charging receiving device and wireless charging transmitter carry out the two-way detection of existence.
Further, embodiments herein is by will receive from wireless charging on wireless charging receiving device
It is that electric transmitter is sent, whether there is the signal of wireless charging receiving device thereon for detect and be associated with predetermined interrupt event,
By judging whether that the associated predetermined interrupt event occurs, so that wireless charging receiving device itself is effectively detected out whether
It is placed in wireless charging transmitter.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 schematically illustrates the device of wireless charging transmitter and wireless charging receiving device letter in the prior art
Figure；
Fig. 2 shows the schematic block diagrams according to the wireless charging receiving device of the application one embodiment；
Fig. 3 shows the device of wireless charging transmitter and wireless charging receiving device according to the application one embodiment
Schematic diagram；
Fig. 4 is the application one embodiment for detecting the dress that wireless charging receiving device is placed in wireless charging transmitter
The schematic block diagram set；
Fig. 5 is that the detection wireless charging receiving device of the application one embodiment is placed in the method stream of wireless charging transmitter
Cheng Tu；
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing or method described as flow chart.Although operations are described as the processing of sequence by flow chart, therein to be permitted
Multioperation can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be rearranged.When it
The processing can be terminated when operation completion, it is also possible to have the additional step being not included in attached drawing.The processing
It can correspond to method, function, regulation, subroutine, subprogram etc..
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singular used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " includes " and/or "comprising" used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or combination thereof.
It should further be mentioned that the function action being previously mentioned can be attached according to being different from some replace implementations
The sequence indicated in figure occurs.For example, related function action is depended on, the two width figures shown in succession actually may be used
Substantially simultaneously to execute or can execute in a reverse order sometimes.
The application is described in further detail with reference to the accompanying drawing.
The advantages of in order to preferably protrude the embodiment of the present application, first to wireless charging transmitter to wireless charging placed on it
The process that electric receiving device charges is described.
Wherein embodiments herein is suitable for including but is not limited to the Qi wireless charging released by wireless charging alliance (WPC)
Wireless charging under electric standard.
Wherein the wireless charging receiving device include but is not limited to mobile phone, smartwatch and other can pass through wireless charging
Power technology realizes the electronic equipment of charging.
Wherein the wireless charging transmitter includes but is not limited to pass through electromagnetic induction to be coupled to electronic equipment electric energy
Charging equipment, such as wireless charging pedestal.
Wherein wireless charging receiving device is placed in wireless charging transmitter and can refer to: wireless charging receiving device is located at wireless
It charges on transmitter, or positioned at the position that other can be charged by wireless charging transmitter, such as close to wireless charging transmitter
Position.
Fig. 1 schematically illustrates wireless charging transmitter (referred to as " transmitting terminal ") and wireless charging in the prior art and receives
The device schematic diagram of equipment (referred to as " receiving end ").
As shown in Figure 1, receiving end includes receiving end-coil, rectification circuit, receiving end chip, receiving end battery and processing
Device, transmitting terminal include transmitting end-coil, circuit for power conversion, transmitting terminal chip and charging indicator light.For receiving end, connect
Receiving end coil is based on electromagnetic induction and obtains faradic signal from transmitting end-coil, so that the signal is reached by rectification circuit
Receiving end chip, and then receiving end chip charges to receiving end battery under the control of a processor；For transmitting terminal,
The power of transmitting terminal chip output reaches transmitting end-coil by the processing of circuit for power conversion, and then forms transmitting end-coil
On AC signal, the AC signal be based on electromagnetic induction, make receive end-coil generate induced current.In addition, hair
Penetrating end can also include charging indicator light, to indicate whether transmitting terminal is in the state to charge to receiving end.
According to Qi wireless charging standard, when receiving end meets some requirements, such as charging complete, overcurrent, overheat etc.,
Receiving end can send the order for requiring transmitting terminal to stop output power (charging) to transmitting terminal.In this case, it can incite somebody to action
It is known as " power stops output " (EPT, End Power Transfer) mode.
Under EPT mode, transmitting terminal will stop to receiving end output power, but still can periodically send to receiving end
Period very short pulse signal, the pulse is for detecting whether receiving end is also placed in transmitting terminal.It should for transmitting terminal transmitting
The movement of pulse, can be described as ping herein.
Ping movement for transmitting terminal, if receiving end is placed on transmitting terminal, the pulse that transmitting terminal is emitted will
The related chip work in receiving end can be triggered, so that the shape being currently located is informed to transmitting terminal in response to the pulse in receiving end
State, is based on the state, and transmitting terminal can determine whether out that receiving end is placed on transmitting terminal.
Although device shown in FIG. 1, which is realized, unidirectionally detects whether wireless charging receiving device is set by wireless charging transmitter
Thereon, it but cannot achieve situation in turn, i.e., detect whether it is placed in wireless charging by wireless charging receiving device
Electric transmitter more says to a step that the prior art also cannot achieve wireless charging receiving device and wireless charging transmitter is deposited
In the two-way detection of property.
In some scenes, realization is detected whether it is placed in wireless charging transmitter right and wrong by wireless charging receiving device
It is often necessary.
By taking following scenes as an example:
In order to realize charge efficiency as high as possible on wireless charging receiving device, and in order to prevent charging overheat ask
Topic, realizes alap charging temperature, intermittently, high-output power charges to the progress of wireless charging receiving device, i.e.,
Quick charge is carried out to receiving end with output power high as far as possible, once the temperature of the receiving end rises to certain during charging
One value is to issue order pause output power from receiving end to transmitting terminal, is so convenient for making the temperature of receiving end in halt input function
Rapid decrease in the case where rate, and when dropping to certain value, and can allow hair in such a way that receiving end sends order to transmitting terminal
End is penetrated to charge with restoring high power.During transmitting terminal suspends to receiving end delivery efficiency, on the interface of receiving end often
It can show that receiving end has stopped the instruction of charging, this instruction often causes very bad influence to the charging experience of user.Cause
And the bad experience stopped when in order to avoid being caused to user and when charging, it is necessary to be done on the interface of receiving end
It improves, makes also be shown as charging during the pause charging of receiving end, the improvement on this interface can bring company to user
The preferable experience of continuous charging.
But above-mentioned interface improve targeted pause charging refer to receiving end be still located on transmitting terminal, transmitting terminal with
Shi Keneng restores to the situation of receiving end electromotive power output, once and receiving end is not on transmitting terminal, then need receiving end
It remains to correctly show that it has stopped charging.
And it is based on existing technology, due to whether can only unidirectionally detect wireless charging receiving device by wireless charging transmitter
It is placed on it, but cannot achieve situation in turn, thus in the case that receiving end is not at transmitting terminal, receiving end
Interface but mistakenly show that it is also charging.
In order to solve the problems, such as such as above-mentioned scene, the application is by improving receiving end, so that receiving end be made to exist
It can accurately judge whether it is also located at transmitting terminal based on the detection of itself during charging.
Referring to FIG. 2, Fig. 2 shows the schematic frames according to the wireless charging receiving device of the application one embodiment
Figure.
According to fig. 2, the wireless charging receiving device includes:
Reception device 201, including whether there is thereon from what wireless charging transmitter was sent for detecting for responding
The signal of wireless charging receiving device generates the signal pin of level signal.
Processor 202, including be connected with the signal pin and be based on the level signal and generate predetermined interrupt event
Interrupt pin.
Detection device 203, for detecting that the wireless charging receiving device is set in response to detecting predetermined interrupt event
In wireless charging transmitter, otherwise, then detect that the wireless charging receiving device is not positioned in wireless charging transmitter.
Wherein reception device 201 can refer in wireless charging receiving device for receiving the radio signal of transmitting terminal transmitting
And the chip of respective response is carried out based on the control command of processor 202.
Wherein, said modules 201~203 can be independent component, be also possible to the component combined, such as on
Stating detection device 203 may include in processor 202.
By taking detection device 203 is contained in processor 202 as an example, implemented referring to FIG. 3, Fig. 3 is shown according to the application
The wireless charging transmitter (referred to as " transmitting terminal ") of example and the device schematic diagram of wireless charging receiving device (referred to as " receiving end ").
As described above, under EPT mode, transmitting terminal will stop to receiving end output power, but still can be periodically
To the very short pulse signal of receiving end sending cycle (for ease of description, herein by the pulse signal be referred to as " ping pulse "),
The pulse is for detecting whether receiving end is also placed in transmitting terminal.In this case, if receiving end is placed on transmitting terminal,
Some level signals would generally be generated on some pins of reception device 201 (the receiving end chip in such as Fig. 3), for the time being by these
Pin is known as " signal pin ".In order to timely and effectively detect that signal pin is connected to processing by the level signal, the application
The interrupt pin of device 202, the interrupt pin can cause scheduled on processor 202 in the case where receiving the level signal
The generation of interrupt event.To wireless charging receiving device be made to examine once detection device 203 detects the interrupt event
It is measured to be also located on wireless charging transmitter.
That is, receiving end often receives a ping pulse described above, an interruption can be all generated on a processor
Event, so that receiving end only needs to be effectively detected out whether receiving end is also located at hair based on the detection to the interrupt event
It penetrates on end.
Further, in order to avoid signal pin and interrupt pin be directly connected to cause it is excessive in reception device 201
Electric current etc. and the normal work for influencing reception device 201, the wireless charging receiving device further include:
Resistance, the resistance one end are connected with the interrupt pin, and the other end is connected with signal pin, described for limiting
The electric signal size of reception device.
As shown in figure 3, resistance therein is connected on the signal pin of reception device 201 and the interruption pipe of processor 202
Between foot, super-high-current is generated on the series circuit for preventing, which is preferably high-impedance resistors.
Preferably, in order to detect whether receiving end is also located on transmitting terminal more in time, can also pacify on the receive side
A timer (timer) is filled, which can be connected with the processor of transmitting terminal, when the processor of receiving end is by such as
It controls and receives end chip and sends the order for requiring transmitting terminal to stop output power (charging) to transmitting terminal, then processor control should
Timer carries out the timing or countdown of setting time, so that the detection device 203 in the time of setting in response to not examining
In the case where measuring interrupt event, detect that the wireless charging receiving device is not positioned in wireless charging transmitter, conversely, then
Detect that the wireless charging receiving device is placed on wireless charging transmitter.
For the process that detection device 203 detects, which can correspondingly carry out countdown, if receiving end exists
Detect interrupt event in the time of countdown, the timer will reset and when detection device 203 needs to detect again
Countdown.
Preferably, in order to improve the accuracy of detection, the time for the countdown that the timer is arranged is set greater than
Or the period equal to the signal is being waited to enter the period of each signal under EPT mode for transmitting terminal
In or slightly larger than detecting interrupt event in the time in the period.
According to one embodiment of the application, additionally provides and a kind of connect with wireless charging described in any of the above-described a embodiment
The wireless charging transmitter of receiving unit coupling.
According to one embodiment of the application, referring to FIG. 4, Fig. 4 is the wireless for detecting of the application one embodiment
Charging receiving device is placed in the schematic block diagram of the device of wireless charging transmitter.
Wherein the device of the application is located on wireless charging receiving device, is suitable for including but is not limited to by wireless charging Electricity Federation
The substandard wireless charging of Qi wireless charging that alliance (WPC) releases.
Wherein the wireless charging receiving device include but is not limited to mobile phone, smartwatch and other can pass through wireless charging
Power technology realizes the electronic equipment of charging.
Wherein the wireless charging transmitter includes but is not limited to pass through electromagnetic induction to be coupled to electronic equipment electric energy
Charging equipment.
Wherein wireless charging receiving device is placed in wireless charging transmitter and can refer to: wireless charging receiving device is located at wireless
It charges on transmitter, or positioned at the position that other can be charged by wireless charging transmitter, such as close to wireless charging transmitter
Position.
According to Fig. 4, described device includes:
State judging unit 301, for examining during wireless charging transmitter charges to wireless charging receiving device
Whether the state for surveying wireless charging receiving device meets specified conditions.
Command sending unit 302, for meeting specified conditions in response to the state of wireless charging receiving device, to wireless charging
Electric transmitter sends the order for stopping charging.
Interrupt event judging unit 303 judges whether to detect wireless charging for the transmission in response to stopping charge command
Based on predetermined interrupt event caused by the signal on electric receiving device.
Detection unit 304, in response to detecting on wireless charging receiving device based on predetermined caused by the signal
Interrupt event detects that the wireless charging receiving device is placed in wireless charging transmitter, otherwise, then detects the wireless charging
Electric receiving device is not positioned in wireless charging transmitter.
Said units will be hereafter described in detail.
For state judging unit 301, the state of the wireless charging receiving device, which meets specified conditions, be can wrap
Include at least one of the following:
Wireless charging receiving device is in the state of charging complete；
The temperature of wireless charging receiving device rises to predetermined high level；
The electric current of wireless charging receiving device is more than predetermined current value.
For command sending unit 302, when wireless charging receiving device is in such as charging complete, overheat, overcurrent
Etc. states, then can to transmitting terminal send one so that it is stopped the order to receiving end output power, that is, stop charging order, should
Process is EPT mode above.
As described above, when entering EPT mode, transmitting terminal would generally stop to receiving end output power, but still can week
Phase property to the very short pulse signal of receiving end sending cycle (for ease of description, herein by the pulse signal be referred to as " ping arteries and veins
Punching "), the pulse is for detecting whether receiving end is also placed in transmitting terminal.In this case, if receiving end is placed in transmitting
On end, receiving end would generally generate corresponding change in electric based on the received ping pulse, one such as in it
Level signal is generated on the pin of a little chips, and the application can judge whether receiving end is placed in by detecting the level signal
Transmitting terminal.
It in the present embodiment, can be by the way that thing corresponding with the level signal be arranged on such as processor in transmitting terminal
Part, the common interrupt event as on processor then trigger the hair of interrupt event on processor once detecting the level signal
It is raw, so that the detection to level signal is converted to the generation of interrupt event, so that more acurrate significantly more judge receiving end
Whether it is placed on transmitting terminal.
Thus, for the interrupt event judging unit 303, optionally, it is used for:
Judge whether to detect the use sent on wireless charging receiving device, based on the wireless charging transmitter received
It whether there is signal, the generated predetermined interrupt event of wireless charging receiving device thereon in detection.
Specifically, when receiving end receives setting thereon with the presence or absence of wireless charging reception for detecting for transmitting terminal transmission
Standby signal can generate corresponding change in electric on the receiving end, by by the predetermined interruption on the electric signal and receiving end
Event correlation, so that the predetermined interrupt event then occurs in receiving end, to pass through in case of the corresponding change in electric
Detection of the detection unit 304 to predetermined interrupt event accurately and effectively judges that receiving end is placed in transmitting terminal, conversely, then receiving
End is not positioned in transmitting terminal.
Preferably, in order to more more accurately judge whether receiving end is placed in transmitting terminal in time, the interrupt event judges
Unit 303 is used for:
Judge whether to detect generated predetermined interrupt event on wireless charging receiving device in the given time；
The detection unit 304, is used for:
If detecting the predetermined interrupt event in the given time, detect that the wireless charging receiving device is set
In wireless charging transmitter, otherwise, then detect that the wireless charging receiving device is not positioned in wireless charging transmitter.
Optionally, the predetermined time is greater than or equal to the period of the signal.
That is, the period of each signal under EPT mode is entered for transmitting terminal, it should being equal or slightly larger than
Interrupt event is detected by receiving end in the time in period, rather than any time under any circumstance carries out interrupt event
Detection, not only can be to avoid the waste of detection power, but also can be equal to or more than the signal of the transmitting of transmitting terminal because of detection cycle
Period and detect whether wireless charging receiving device is placed on wireless charging transmitter in time.
Compared with prior art, the present embodiment (can be wanted receiving end for EPT mode described above to transmitting terminal transmission
Ask transmitting terminal stop output power order) under receiving end, be effectively detected out whether it is located on transmitting terminal, thus connecing
Break prompt is correctly filled on the interface UI of receiving end.
Fig. 5 is that the detection wireless charging receiving device of the application one embodiment is placed in the method stream of wireless charging transmitter
Cheng Tu.
Wherein, the application can be adapted for the Qi wireless charging including but not limited to released by wireless charging alliance (WPC)
Substandard wireless charging.
Wherein the wireless charging receiving device include but is not limited to mobile phone, smartwatch and other can pass through wireless charging
Power technology realizes the electronic equipment of charging.
Wherein the wireless charging transmitter includes but is not limited to pass through electromagnetic induction to be coupled to electronic equipment electric energy
Charging equipment.
Wherein wireless charging receiving device is placed in wireless charging transmitter and can refer to: wireless charging receiving device is located at wireless
It charges on transmitter, or positioned at the position that other can be charged by wireless charging transmitter, such as close to wireless charging transmitter
Position.
Method shown in fig. 5 is executed by wireless charging receiving device.
Referring to FIG. 5, the method that the detection wireless charging receiving device is placed in wireless charging transmitter includes step
S101, step S102 and step S103.
Step S101 detects wireless charging during wireless charging transmitter charges to wireless charging receiving device
The state of receiving device meets specified conditions, and the order for stopping charging being sent to wireless charging transmitter.
Step S102 judges whether to detect institute on wireless charging receiving device in response to stopping the transmission of charge command
The predetermined interrupt event generated.
Step S103 detects that the wireless charging receiving device is placed in nothing if detecting the predetermined interrupt event
Otherwise line charge electricity transmitter then detects that the wireless charging receiving device is not positioned in wireless charging transmitter.
Specifically, for step S101, the state of the wireless charging receiving device meet specified conditions may include but
It is not limited at least one of the following:
Wireless charging receiving device is in the state of charging complete；
The temperature of wireless charging receiving device rises to predetermined high level；
The electric current of wireless charging receiving device is more than predetermined current value.
It further, then can be to hair when wireless charging receiving device is in the states such as charging complete, overheat, overcurrent
Penetrating end transmission one makes it stop the order to receiving end output power, that is, stops the order of charging, which is above
EPT mode.
As described above, when entering EPT mode, transmitting terminal would generally stop to receiving end output power, but still can week
Phase property to the very short pulse signal of receiving end sending cycle (for ease of description, herein by the pulse signal be referred to as " ping arteries and veins
Punching "), the pulse is for detecting whether receiving end is also placed in transmitting terminal.In this case, if receiving end is placed in transmitting
On end, receiving end would generally generate corresponding change in electric based on the received ping pulse, one such as in it
Level signal is generated on the pin of a little chips, and the application can judge whether receiving end is placed in by detecting the level signal
Transmitting terminal.
It in the present embodiment, can be by the way that thing corresponding with the level signal be arranged on such as processor in transmitting terminal
Part, the common interrupt event as on processor then trigger the hair of interrupt event on processor once detecting the level signal
It is raw, so that the detection to level signal is converted to the generation of interrupt event, so that step S102 is based on, in response to stopping charging
The transmission of order judges whether to detect generated predetermined interrupt event on wireless charging receiving device, more specifically judges
Whether detect on wireless charging receiving device, based on the wireless charging transmitter received send for detect thereon whether
There are the signals of wireless charging receiving device, generated predetermined interrupt event.
It is further based on step S103, if detecting the predetermined interrupt event, detects that the wireless charging connects
Receiving unit is placed in wireless charging transmitter, otherwise, then detects that the wireless charging receiving device is not positioned in wireless charging hair
It is more acurrate to penetrate machine, to significantly more judge whether receiving end is placed on transmitting terminal.
Optionally, above-mentioned to judge whether to detect that generated predetermined interrupt event includes: on wireless charging receiving device
Judge whether to detect generated predetermined interrupt event on wireless charging receiving device in the given time；
If described detect the predetermined interrupt event, detect that the wireless charging receiving device is placed in wireless charging
Otherwise transmitter then detects that the step of wireless charging receiving device is not positioned in wireless charging transmitter includes:
If detecting the predetermined interrupt event in the given time, detect that the wireless charging receiving device is placed in
Otherwise wireless charging transmitter then detects that the wireless charging receiving device is not positioned in wireless charging transmitter.
Wherein, the predetermined time is greater than or equal to the period of the signal.
That is, the period of each signal under EPT mode is entered for transmitting terminal, it should being equal or slightly larger than
Interrupt event is detected by receiving end in the time in period, rather than any time under any circumstance carries out interrupt event
Detection, not only can be to avoid the waste of detection power, but also can be equal to or more than the signal of the transmitting of transmitting terminal because of detection cycle
Period and detect whether wireless charging receiving device is placed on wireless charging transmitter in time.
It should be noted that the application can be carried out in the assembly of software and/or software and hardware, for example, this Shen
Specific integrated circuit (ASIC) can be used in each device please or any other is realized similar to hardware device.In one embodiment
In, the software program of the application can be executed to implement the above steps or functions by processor.Similarly, the application
Software program (including relevant data structure) can be stored in computer readable recording medium, for example, RAM memory,
Magnetic or optical driver or floppy disc and similar devices.In addition, hardware can be used to realize in some steps or function of the application, example
Such as, as the circuit cooperated with processor thereby executing each step or function.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case where without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and scope of the present application is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the application.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.That states in system claims is multiple
Unit or device can also be implemented through software or hardware by a unit or device.The first, the second equal words are used to table
Show title, and does not indicate any particular order.
Although front is specifically shown and describes exemplary embodiment, it will be understood to those of skill in the art that
It is that without departing substantially from the spirit and scope of claims, can be varied in terms of its form and details.
Claims (9)
1. a kind of method that detection wireless charging receiving device is placed in wireless charging transmitter, which is characterized in that this method comprises:
The shape of wireless charging receiving device is detected during wireless charging transmitter charges to wireless charging receiving device
State meets specified conditions, and the order for stopping charging being sent to wireless charging transmitter；
In response to stopping the transmission of charge command, judge whether to detect in the given time on wireless charging receiving device, base
It whether there is the signal of wireless charging receiving device thereon for detect in what receive wireless charging transmitter was sent, produced
Raw predetermined interrupt event；
If detecting the predetermined interrupt event in the given time, detect that the wireless charging receiving device is placed in wirelessly
Charge transmitter, and shows and charging, and otherwise, then detects that the wireless charging receiving device is not positioned in wireless charging hair
Machine is penetrated, and shows stopping charging；
The predetermined time is greater than or equal to the period of the signal.
2. the method according to claim 1, wherein the state of the wireless charging receiving device meets specific item
Part includes at least one of the following:
Wireless charging receiving device is in the state of charging complete；
The temperature of wireless charging receiving device rises to predetermined high level；
The electric current of wireless charging receiving device is more than predetermined current value.
3. a kind of detection wireless charging receiving device is placed in the device of wireless charging transmitter, which is characterized in that the device includes:
State judging unit, for during wireless charging transmitter charges to wireless charging receiving device, detection to be wireless
Whether the state of charging receiving device meets specified conditions；
Command sending unit emits for meeting specified conditions in response to the state of wireless charging receiving device to wireless charging
Machine sends the order for stopping charging；
Interrupt event judging unit judges whether to detect in the given time for the transmission in response to stopping charge command
It whether there is wireless charging thereon for detecting on wireless charging receiving device, based on what the wireless charging transmitter received was sent
The signal of electric receiving device, generated predetermined interrupt event；
Detection unit, if detecting that the wireless charging connects for detecting the predetermined interrupt event in the given time
Receiving unit is placed in wireless charging transmitter, and shows and charging, and otherwise, then detects that the wireless charging receiving device does not have
It is placed in wireless charging transmitter, and shows stopping charging；
The predetermined time is greater than or equal to the period of the signal.
4. device according to claim 3, which is characterized in that the state of the wireless charging receiving device meets specific item
Part includes at least one of the following:
Wireless charging receiving device is in the state of charging complete；
The temperature of wireless charging receiving device rises to predetermined high level；
The electric current of wireless charging receiving device is more than predetermined current value.
5. a kind of wireless charging receiving device, which is characterized in that the wireless charging receiving device includes:
Reception device, including whether there is wireless charging thereon for detecting from what wireless charging transmitter was sent for responding
The signal of receiving device generates the signal pin of level signal；
Processor, the interruption pipe including being connected and generating based on the level signal predetermined interrupt event with the signal pin
Foot；
Detection device, for detecting that the wireless charging receiving device is placed in wirelessly in response to detecting predetermined interrupt event
Otherwise charging transmitter then detects that the wireless charging receiving device is not positioned in wireless charging transmitter.
6. wireless charging receiving device according to claim 5, which is characterized in that the wireless charging receiving device also wraps
It includes:
Resistance, the resistance one end are connected with the interrupt pin, and the other end is connected with signal pin, for limiting the reception dress
The electric signal size set.
7. wireless charging receiving device according to claim 5, which is characterized in that
The detection device detects the nothing in the case where being also used to detect interrupt event in the time in response to setting
Line charge electricity receiving device is placed in wireless charging transmitter, otherwise, then detects that the wireless charging receiving device is not positioned in nothing
Line charge electricity transmitter.
8. wireless charging receiving device according to claim 7, which is characterized in that the time of the setting is greater than or equal to
The period of the signal.
9. a kind of wireless charging transmitter coupled with the described in any item wireless charging receiving devices of claim 5~8.
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 CN105914905A (en) | 2016-08-31 |
| CN105914905B true CN105914905B (en) | 2019-01-29 |
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| 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 |
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| Country | Link |
|---|---|
| CN (1) | CN105914905B (en) |
| WO (1) | WO2017185583A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914905B (en) * | 2016-04-25 | 2019-01-29 | 北京羽扇智信息科技有限公司 | Detection wireless charging receiving device is placed in the method and device of wireless charging transmitter |
| CN106993942A (en) * | 2017-04-26 | 2017-08-01 | 歌尔股份有限公司 | Intelligent kettle and its control method |
| KR102588076B1 (en) * | 2018-07-16 | 2023-10-12 | 삼성전자 주식회사 | Electronic device for receiving wireless power and method for wireless charging thereof |
| CN111929229A (en) * | 2020-08-31 | 2020-11-13 | 大连科迈尔防腐科技有限公司 | Wireless transmission system for monitoring corrosion prevention of drum-shaped filter screen |
| 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 |
| CN114448064B (en) * | 2022-04-12 | 2022-07-22 | 南昌嘉信高科技有限公司 | Wireless charging control method and system, storage medium and wireless charging transmitter |
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| CN105914905B (en) * | 2016-04-25 | 2019-01-29 | 北京羽扇智信息科技有限公司 | Detection wireless charging receiving device is placed in the method and device of wireless charging transmitter |
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2016
- 2016-04-25 CN CN201610261663.8A patent/CN105914905B/en active Active
- 2016-09-09 WO PCT/CN2016/098616 patent/WO2017185583A1/en active Application Filing
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| CN101971453A (en) * | 2007-05-08 | 2011-02-09 | 莫琼移动股份有限公司 | System and method for inductive charging of portable devices |
| CN104115365A (en) * | 2011-12-14 | 2014-10-22 | 诺基亚公司 | Method and apparatus for optimizing standby power consumption and providing user indications in WPC based wireless charging system |
| CN102931712A (en) * | 2012-12-03 | 2013-02-13 | 邢益涛 | Wireless charger without standby power consumption |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017185583A1 (en) | 2017-11-02 |
| CN105914905A (en) | 2016-08-31 |
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