CN106451700B - A kind of circuit protection device and wireless charging system - Google Patents
A kind of circuit protection device and wireless charging system Download PDFInfo
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- CN106451700B CN106451700B CN201610948347.8A CN201610948347A CN106451700B CN 106451700 B CN106451700 B CN 106451700B CN 201610948347 A CN201610948347 A CN 201610948347A CN 106451700 B CN106451700 B CN 106451700B
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- 238000007600 charging Methods 0.000 title claims abstract description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 38
- 229910052710 silicon Inorganic materials 0.000 claims description 38
- 239000010703 silicon Substances 0.000 claims description 38
- 239000004065 semiconductor Substances 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H02J7/025—
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- H02J5/005—
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Abstract
The invention discloses a kind of circuit protection device and wireless charging systems, including single-chip microcontroller to be also used to export ring off signal after overcurrent trigger unit starts preset time for the current threshold of user setting to be converted into corresponding voltage threshold signals；Current detecting unit is acquired for the electric current to transmitting coil, and converts thereof into corresponding voltage signal, exports trigger signal when voltage signal is greater than voltage threshold signals；Overcurrent trigger unit for the starting when receiving trigger signal, and forbids driving signal to export, and driving signal is used to control the electric current for generating transmitting coil；Overcurrent triggers lifting unit, for turning off overcurrent trigger unit according to ring off signal, so that overcurrent trigger unit controls the output of recovery driving signal.Circuit protection device provided by the present invention and wireless charging system realize the self- recoverage of overcurrent protection, improve safety, automaticity and working efficiency.
Description
Technical field
The present invention relates to wireless charging technical fields, more particularly to a kind of circuit protection device.The invention further relates to one
Kind wireless charging system.
Background technique
With the progress of science and the development of technology, wireless power technology enters our life.Current powerful nothing
The transmitting terminal of line power supply is mainly to be carried out by the way of LC series resonance, and LC series resonance is mainly characterized by circuit
Circuit is very big, if transmitting terminal will generate excessive electric current when receiving end aligns inaccuracy or receiving end zero load,
It is serious to will cause transmitting terminal damage, it is therefore desirable to which that in transmitting terminal, current foldback circuit is set.
In the prior art, current foldback circuit not can be carried out self- recoverage mainly using hardware circuit after overcurrent protection,
Namely occur system must power off again after overcurrent protection to be then turned on power supply and could restore to work normally, reduces overcurrent and protect
The safety and automaticity of protection circuit, and make the reduction of its working efficiency.
Therefore, how to provide it is a kind of solve above-mentioned technical problem circuit protection device and wireless charging system become ability
Technical staff's problem to be solved in domain.
Summary of the invention
The object of the present invention is to provide a kind of circuit protection devices, realize the self- recoverage of overcurrent protection, improve safety
Property, automaticity and working efficiency；It is a further object of the present invention to provide a kind of wireless chargings including foregoing circuit protective device
Electric system, safety and automaticity improve.
In order to solve the above technical problems, being applied to wireless charging system, institute the present invention provides a kind of circuit protection device
Stating wireless charging system includes transmitting coil, and described device includes:
Single-chip microcontroller, for the current threshold of user setting to be converted into corresponding voltage threshold signals, the monolithic
Machine is also used to export ring off signal after overcurrent trigger unit starts preset time；
Current detecting unit is acquired for the electric current to the transmitting coil, and converts thereof into corresponding voltage
Signal exports trigger signal when the voltage signal is greater than the voltage threshold signals；
The overcurrent trigger unit, for the starting when receiving the trigger signal, and forbids driving signal to export, institute
Driving signal is stated for controlling the electric current for generating the transmitting coil；
Overcurrent triggers lifting unit, for turning off the overcurrent trigger unit according to the ring off signal, so as to the mistake
Flow the output that trigger unit control restores the driving signal.
Preferably, the current detecting unit includes current acquisition unit, current adjustment unit and comparing unit,
In:
The current acquisition unit, is acquired for the electric current to the transmitting coil；
The current adjustment unit, for the electric current to be converted into corresponding voltage signal；
The comparing unit for the voltage signal to be compared with the voltage threshold signals, and works as the electricity
Pressure signal exports the trigger signal when being greater than the voltage threshold signals.
Preferably, the current acquisition unit is high frequency coil.
Preferably, the high frequency coil surround and is set on the output line of the transmitting coil.
Preferably, the current adjustment unit includes rectification circuit, first resistor and capacitor, in which:
The input terminal of the rectification circuit is connect with the output end of the current acquisition unit, the output of the rectification circuit
In parallel with the first resistor and the capacitor respectively, one of common end grounding is held, the rectification circuit is used for described
Electric current is rectified, and then using obtained DC voltage as the voltage signal.
Preferably, the comparing unit is comparator, and the input signal of the normal phase input end of the comparator is the electricity
Signal is pressed, the input signal of inverting input terminal is the voltage threshold signals.
Preferably, the overcurrent trigger unit includes second resistance, 3rd resistor and silicon-controlled, in which:
Input terminal of the first end of the second resistance as the overcurrent trigger unit, second end is respectively with described
The first end of three resistance is connected with the silicon-controlled control terminal, the second end of the 3rd resistor and the silicon-controlled cathode
Connection, common end grounding, the control terminal of driving signal of the silicon-controlled anode as the transmitting coil, wherein when
When the voltage of the silicon-controlled anode is high level, the driving signal is normally exported.
Preferably, the overcurrent triggering lifting unit includes the 4th resistance and optocoupler, in which:
Input terminal of the first end of 4th resistance as overcurrent triggering lifting unit, the of the 4th resistance
Two ends are connect with the cathode of the light emitting diode in the optocoupler, and the anode and power supply of the light emitting diode in the optocoupler connect
It connects, the emitter of the photosensitive semiconductor in the optocoupler is connect with the silicon-controlled cathode, and photosensitive in the optocoupler is partly led
The collector of body is connect with the silicon-controlled anode.
Preferably, circuit protection device described in any of the above embodiments further includes input unit, passes through it for the user
Input the current threshold.
In order to solve the above technical problems, the present invention provides a kind of wireless charging systems, including as described in any of the above-described
Circuit protection device.
The present invention provides a kind of circuit protection device and wireless charging system, including single-chip microcontroller, current detecting unit with
And overcurrent trigger unit, wherein single-chip microcontroller is believed for the current threshold of user setting to be converted into corresponding voltage threshold
Number, it is also used to export ring off signal after overcurrent trigger unit starts preset time；Current detecting unit, for transmitting coil
Electric current be acquired, and convert thereof into corresponding voltage signal, the output touching when voltage signal is greater than voltage threshold signals
It signals；Overcurrent trigger unit for the starting when receiving trigger signal, and forbids driving signal to export, and driving signal is used
The electric current of transmitting coil is generated in control；Overcurrent triggers lifting unit, for turning off overcurrent trigger unit according to ring off signal, with
Just the control of overcurrent trigger unit restores the output of driving signal.
In the present invention, the starting when overcurrent trigger unit receives trigger signal, and driving signal is forbidden to export, make to emit
The electric current of coil stops generating, and carries out overcurrent protection；Single-chip microcontroller output releases letter after overcurrent trigger unit starts preset time
Number, overcurrent triggers lifting unit, and ring off signal turns off overcurrent trigger unit based on the received, so that the control of overcurrent trigger unit is extensive
The output of multiple driving signal finally realizes the self- recoverage of overcurrent protection to restore the generation of the electric current of transmitting coil.
Therefore, a kind of circuit protection device provided by the present invention and wireless charging system, solve mistake in the prior art
It not can be carried out self-healing problem after stream protection, improve the self- recoverage for realizing overcurrent protection, improve safety, automaticity
And working efficiency.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of circuit protection device provided by the present invention；
Fig. 2 is the structural schematic diagram of current detecting unit provided by the present invention；
Fig. 3 is the structural schematic diagram of current acquisition unit and current adjustment unit provided by the present invention；
Fig. 4 is the structural schematic diagram of comparing unit provided by the present invention；
Fig. 5 is the structural schematic diagram of overcurrent trigger unit provided by the present invention；
Fig. 6 is the structural schematic diagram that overcurrent provided by the present invention triggers lifting unit；
Fig. 7 is the structural schematic diagram of another circuit protection device provided by the present invention；
Fig. 8 is a kind of structural schematic diagram of wireless charging system provided by the present invention.
Specific embodiment
Core of the invention is to provide a kind of circuit protection device, realizes the self- recoverage of overcurrent protection, improves safety
Property, automaticity and working efficiency；Another core of the invention is to provide a kind of wireless charging including foregoing circuit protective device
Electric system, safety and automaticity improve.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of circuit protection device provided by the present invention.
The device is applied to wireless charging system, and wireless charging system includes transmitting coil, which includes:
Single-chip microcontroller 1, for the current threshold of user setting to be converted into corresponding voltage threshold signals, single-chip microcontroller 1
It is also used to export ring off signal after overcurrent trigger unit 3 starts preset time；
Current detecting unit 2 is acquired for the electric current to transmitting coil, and converts thereof into corresponding voltage letter
Number, trigger signal is exported when voltage signal is greater than voltage threshold signals；
Overcurrent trigger unit 3 for the starting when receiving trigger signal, and forbids driving signal to export, driving signal
For controlling the electric current for generating transmitting coil；
Overcurrent triggers lifting unit 4, for turning off overcurrent trigger unit 3 according to ring off signal, so as to overcurrent trigger unit 3
Control restores the output of driving signal.
It should be noted that current threshold is converted into corresponding voltage threshold signals V- by internal processes by single-chip microcontroller 1
ref.And the current threshold of user setting is equal to or slightly less than the maximum current that can bear of transmitting coil, by by transmitting coil
In electric current be limited to less than in the range of current threshold, to protect circuit.
Referring to figure 2., Fig. 2 is the structural schematic diagram of current detecting unit provided by the present invention.
Preferably, current detecting unit 2 includes current acquisition unit 21, current adjustment unit 22 and comparing unit
23, in which:
Current acquisition unit 21 is acquired for the electric current to transmitting coil；
Current adjustment unit 22, for converting the current to corresponding voltage signal；
Comparing unit 23, for voltage signal to be compared with voltage threshold signals, and when voltage signal is greater than voltage
Trigger signal is exported when threshold signal.
Referring to figure 3., Fig. 3 is the structural schematic diagram of current acquisition unit and current adjustment unit provided by the present invention.
Preferably, current acquisition unit 21 is high frequency coil 211.
It should be noted that in this application, current acquisition unit 21 can be high frequency coil 211, for acquiring transmitting
The electric current of coil.It is, of course, also possible to use other devices as current acquisition unit 21, it is special that the embodiment of the present invention is not done herein
It limits, is able to achieve the purpose of the present invention.
It is set on the output line of transmitting coil preferably, high frequency coil 211 is surround.
Specifically, high frequency coil 211 is arranged on the output line with transmitting coil by the way of circular, naturally it is also possible to adopt
The position of the output line of high frequency coil 211 and transmitting coil is set with other suitable modes, and the embodiment of the present invention is not done herein
Special restriction, is able to achieve the purpose of the present invention.
Preferably, current adjustment unit 22 includes rectification circuit 221, first resistor 221 and capacitor 223, in which:
The input terminal of rectification circuit 221 is connect with the output end of current acquisition unit 21, the output end point of rectification circuit 221
Not in parallel with first resistor 221 and capacitor 223, one of common end grounding, rectification circuit 221 is used to carry out high frequency to electric current
Rectification, and then using obtained DC voltage as voltage signal.
It should be noted that the full bridge rectifier 221 that rectification circuit 221 uses in the application, electric current is adopted in realization
Collection and the rectification to electric current, obtain DC voltage, that is, voltage signal V-IN.And pass through first resistor 221 and capacitor 223
Voltage signal V-IN is exported.
Referring to figure 4., Fig. 4 is the structural schematic diagram of comparing unit provided by the present invention.
Preferably, comparing unit 23 is comparator 231, the input signal of the normal phase input end of comparator 231 is electricity
Signal is pressed, the input signal of inverting input terminal is voltage threshold signals.
Specifically, comparing unit 23 in the application is using comparator 231, and the positive input of comparator 231
The input signal at end is voltage signal V-IN, and the input signal of the inverting input terminal of comparator 231 is voltage threshold signals V-
Ref, when voltage signal V-IN be greater than voltage threshold signals V-ref (over-current phenomenon avoidance namely has occurred) when, comparator 231 it is defeated
Outlet exports high level, then the high level is trigger signal for triggering overcurrent trigger unit 3, when voltage signal V-IN is small
When voltage threshold signals V-ref (namely there is no over-current phenomenon avoidances), the output end of comparator 231 exports low level, no
Trigger overcurrent trigger unit 3.
Certainly, comparing unit 23 can also use other suitable devices, be not limited only to using comparator 231, the present invention
It does not do special restriction herein, is able to achieve the purpose of the present invention.
Referring to figure 5., Fig. 5 is the structural schematic diagram of overcurrent trigger unit provided by the present invention.
Preferably, overcurrent trigger unit 3 includes second resistance 31,3rd resistor 32 and silicon-controlled 33, in which:
Input terminal of the first end of second resistance 31 as overcurrent trigger unit 3, second end respectively with 3rd resistor 32
First end connected with silicon-controlled 33 control terminal, the second end of 3rd resistor 32 is connect with silicon-controlled 33 cathode, public
End ground connection, the control terminal of silicon-controlled 33 anode as the driving signal of transmitting coil, wherein when the electricity of silicon-controlled 33 anode
When pressure is high level, driving signal is normally exported.
It should be noted that in the present invention using silicon-controlled 33 anode as transmitting coil driving signal control
End, driving signal control the generation of the electric current of transmitting coil.Wherein, silicon-controlled 33 electric currents for indirectly controlling transmitting coil generate
Principle are as follows:
When the voltage of silicon-controlled 33 anode is high level, driving signal is normally exported, and has electricity in transmitting coil at this time
Stream, when the voltage of silicon-controlled 33 anode is low level, driving signal stops output, and then does not have electric current in transmitting coil.
Input terminal of the first end of second resistance 31 as overcurrent trigger unit 3, when voltage signal V-IN is greater than voltage threshold
When value signal V-ref, the output end of comparator 231 exports high level, and silicon-controlled 33 control terminal is high level at this time, silicon-controlled
33 conductings, due to silicon-controlled 33 minus earth, so the level of silicon-controlled 33 anode is pulled low, that is, at this time silicon-controlled 33
The voltage of anode is low level, and driving signal then stops exporting, therefore the electric current of transmitting coil stops generating, i.e., carries out overcurrent at this time
Protection.
It should be noted that the overcurrent trigger unit 3 in the application mainly controls transmitting coil using silicon-controlled 33
Driving signal, it is, of course, also possible to which using other suitable devices, the present invention does not do special restriction herein, is able to achieve the present invention
Purpose.
Fig. 6 is please referred to, Fig. 6 is the structural schematic diagram that overcurrent provided by the present invention triggers lifting unit.
Preferably, overcurrent triggering lifting unit 4 includes the 4th resistance 41 and optocoupler 42, in which:
The first end of 4th resistance 41 as overcurrent triggering lifting unit 4 input terminal, the second end of the 4th resistance 41 with
The cathode of light emitting diode 421 in optocoupler 42 connects, and the anode of the light emitting diode 421 in optocoupler 42 is connect with power supply 31,
The emitter of photosensitive semiconductor 422 in optocoupler 42 is connect with silicon-controlled 33 cathode, the photosensitive semiconductor 422 in optocoupler 42
Collector is connect with silicon-controlled 33 anode.
It should be noted that when the output end output high level of comparator 231 or the voltage of the anode when silicon-controlled 33
When for low level, single-chip microcontroller 1 starts timing, and ring off signal is exported after preset time.
In addition, the specific value of preset time here can determine according to the actual situation.
It should be noted that input terminal of the first end of the 4th resistance 41 as overcurrent triggering lifting unit 4, receives monolithic
Light emitting diode 421 is connected in the ring off signal (low level) that machine 1 is sent, light emitting diode 421 shine make it is photosensitive
Semiconductor 422 is connected, since the emitter of photosensitive semiconductor 422 is connect with silicon-controlled 33 cathode, the collection of photosensitive semiconductor 422
Electrode is connect with silicon-controlled 33 anode, so silicon-controlled 33 being short-circuited at this time.
When silicon-controlled 33 are short-circuited, the follow current in silicon-controlled 33 is interrupted namely overcurrent trigger unit 3 is released from,
Then silicon-controlled 33 anode restores high level, restores the output of driving signal, to restore the life of the electric current of transmitting coil
At.
Wherein, the 4th resistance 41 is current-limiting resistance, and the voltage of power supply 31 can be 3.3V, certainly can also be for other rationally
Value, the present invention do not do special restriction herein, is able to achieve the purpose of the present invention.
Fig. 7 is please referred to, Fig. 7 is the structural schematic diagram of another circuit protection device provided by the present invention.
Preferably, the circuit protection device of any of the above-described further includes input unit 5, inputted for user by it
Current threshold.
It should be noted that can be selected according to the actual situation in the application using by 5 input current threshold value of input unit
The size of input value keeps whole device more convenient in use so that current threshold is conveniently adjusted.
The present invention provides a kind of circuit protection device, including single-chip microcontroller, current detecting unit and overcurrent trigger unit,
Wherein, single-chip microcontroller is also used to for the current threshold of user setting to be converted into corresponding voltage threshold signals in overcurrent
Ring off signal is exported after trigger unit starting preset time；Current detecting unit is acquired for the electric current to transmitting coil,
And corresponding voltage signal is converted thereof into, trigger signal is exported when voltage signal is greater than voltage threshold signals；Overcurrent triggering
Unit for the starting when receiving trigger signal, and forbids driving signal to export, and driving signal generates emission lines for controlling
The electric current of circle；Overcurrent triggers lifting unit, for turning off overcurrent trigger unit according to ring off signal, so as to overcurrent trigger unit control
System restores the output of driving signal.
In the present invention, the starting when overcurrent trigger unit receives trigger signal, and driving signal is forbidden to export, make to emit
The electric current of coil stops generating, and carries out overcurrent protection；Single-chip microcontroller output releases letter after overcurrent trigger unit starts preset time
Number, overcurrent triggers lifting unit, and ring off signal turns off overcurrent trigger unit based on the received, so that the control of overcurrent trigger unit is extensive
The output of multiple driving signal finally realizes the self- recoverage of overcurrent protection to restore the generation of the electric current of transmitting coil.
Therefore, a kind of circuit protection device provided by the present invention and wireless charging system, solve mistake in the prior art
It not can be carried out self-healing problem after stream protection, improve safety, automaticity and working efficiency.
Fig. 8 is please referred to, Fig. 8 is a kind of structural schematic diagram of wireless charging system provided by the present invention.The wireless charging
System includes circuit protection device described in above-described embodiment.
Above-mentioned apparatus embodiment is please referred to for the introduction of the circuit protection device of wireless charging system provided by the invention,
Details are not described herein by the present invention.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of circuit protection device is applied to wireless charging system, the wireless charging system includes transmitting coil, feature
It is, described device includes:
Single-chip microcontroller, for the current threshold of user setting to be converted into corresponding voltage threshold signals, the single-chip microcontroller is also
For exporting ring off signal after overcurrent trigger unit starts preset time；
Current detecting unit is acquired for the electric current to the transmitting coil, and converts thereof into corresponding voltage signal,
Trigger signal is exported when the voltage signal is greater than the voltage threshold signals；
The overcurrent trigger unit, for the starting when receiving the trigger signal, and forbids driving signal to export, the drive
Dynamic signal is for controlling the electric current for generating the transmitting coil；
Overcurrent triggers lifting unit, for turning off the overcurrent trigger unit according to the ring off signal, so as to overcurrent touching
The control of bill member restores the output of the driving signal；
The current detecting unit includes current acquisition unit, current adjustment unit and comparing unit, in which:
The current acquisition unit, is acquired for the electric current to the transmitting coil；
The current adjustment unit, for the electric current to be converted into corresponding voltage signal；
The comparing unit, for the voltage signal to be compared with the voltage threshold signals, and when the voltage is believed
Number be greater than the voltage threshold signals when export the trigger signal；
The comparing unit is comparator, and the input signal of the normal phase input end of the comparator is the voltage signal, anti-
The input signal of phase input terminal is the voltage threshold signals；
The overcurrent trigger unit includes second resistance, 3rd resistor and silicon-controlled, in which:
Input terminal of the first end of the second resistance as the overcurrent trigger unit, second end are electric with the third respectively
The first end of resistance is connected with the silicon-controlled control terminal, and the second end of the 3rd resistor and the silicon-controlled cathode connect
It connects, common end grounding, the control terminal of driving signal of the silicon-controlled anode as the transmitting coil, wherein work as institute
When the voltage for stating silicon-controlled anode is high level, the driving signal is normally exported.
2. circuit protection device according to claim 1, which is characterized in that the current acquisition unit is high frequency coil.
3. circuit protection device according to claim 2, which is characterized in that the high frequency coil surround and is set to the hair
On the output line of ray circle.
4. circuit protection device according to claim 1, which is characterized in that the current adjustment unit includes rectified current
Road, first resistor and capacitor, in which:
The input terminal of the rectification circuit is connect with the output end of the current acquisition unit, the output end point of the rectification circuit
Not in parallel with the first resistor and the capacitor, one of common end grounding, the rectification circuit is used for the electric current
It is rectified, and then using obtained DC voltage as the voltage signal.
5. circuit protection device according to claim 1, which is characterized in that the overcurrent triggering lifting unit includes the 4th
Resistance and optocoupler, in which:
Input terminal of the first end of 4th resistance as overcurrent triggering lifting unit, the second end of the 4th resistance
It is connect with the cathode of the light emitting diode in the optocoupler, the anode of the light emitting diode in the optocoupler connects to power supply, institute
The emitter for stating the photosensitive semiconductor in optocoupler is connect with the silicon-controlled cathode, the collection of the photosensitive semiconductor in the optocoupler
Electrode is connect with the silicon-controlled anode.
6. circuit protection device according to claim 1-5, which is characterized in that described device further includes that input is single
Member inputs the current threshold by it for the user.
7. a kind of wireless charging system, which is characterized in that including circuit protection device as claimed in any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610948347.8A CN106451700B (en) | 2016-10-26 | 2016-10-26 | A kind of circuit protection device and wireless charging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610948347.8A CN106451700B (en) | 2016-10-26 | 2016-10-26 | A kind of circuit protection device and wireless charging system |
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| CN106451700A CN106451700A (en) | 2017-02-22 |
| CN106451700B true CN106451700B (en) | 2018-12-25 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591859B (en) * | 2017-09-22 | 2020-11-03 | 中惠创智无线供电技术有限公司 | Wireless charging receiving controller protection method and device |
| CN109842167B (en) * | 2017-11-28 | 2021-08-13 | 中惠创智（深圳）无线供电技术有限公司 | Coil protection circuit and method for wireless charging system of electric automobile |
| CN109334478A (en) * | 2018-11-22 | 2019-02-15 | 国网江苏省电力有限公司南通供电分公司 | A kind of electric car intelligent wireless charging system and its charging method |
| CN109962501B (en) * | 2019-03-15 | 2024-03-29 | 中惠创智(阜阳)技术有限公司 | Wireless receiving end protection circuit |
| CN110518706A (en) * | 2019-08-09 | 2019-11-29 | 深圳智链物联科技有限公司 | A kind of wireless charging device and its protection circuit |
| CN111972307B (en) * | 2020-07-20 | 2022-03-01 | 武汉工程大学 | Animal food intake monitoring method and system and intelligent ear tag |
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| JP2005168102A (en) * | 2003-11-28 | 2005-06-23 | Rohm Co Ltd | Charger and portable electronic device equipped therewith |
| CN101860001A (en) * | 2010-05-06 | 2010-10-13 | 北京鼎汉技术股份有限公司 | Switch power supply current detection circuit |
| CN204886147U (en) * | 2015-08-31 | 2015-12-16 | 国网河南省电力公司电力科学研究院 | Adjustable intermittence time's current foldback circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005168102A (en) * | 2003-11-28 | 2005-06-23 | Rohm Co Ltd | Charger and portable electronic device equipped therewith |
| CN101860001A (en) * | 2010-05-06 | 2010-10-13 | 北京鼎汉技术股份有限公司 | Switch power supply current detection circuit |
| CN204886147U (en) * | 2015-08-31 | 2015-12-16 | 国网河南省电力公司电力科学研究院 | Adjustable intermittence time's current foldback circuit |
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| CN106451700A (en) | 2017-02-22 |
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Effective date of registration: 20210330 Address after: 518000 room 133-134, No.1 International Students (Longgang) Pioneer Park, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee after: ZONECHARGE (SHENZHEN) WIRELESS POWER SUPPLY TECHNOLOGY Co.,Ltd. Address before: 264003 Mingda West Road, Laishan District, Yantai, Shandong Province, No. 11 Patentee before: ZHONG HUI POWERISE WIRELESS POWER TECHNOLOGY Ltd. |
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