CN207753474U - A kind of intelligent radio charging circuit and intelligent radio charging unit - Google Patents
A kind of intelligent radio charging circuit and intelligent radio charging unit Download PDFInfo
- Publication number
- CN207753474U CN207753474U CN201721805449.0U CN201721805449U CN207753474U CN 207753474 U CN207753474 U CN 207753474U CN 201721805449 U CN201721805449 U CN 201721805449U CN 207753474 U CN207753474 U CN 207753474U
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- circuit
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- microcontroller
- battery
- intelligent radio
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Abstract
The utility model provides a kind of intelligent radio charging circuit, including：MCU control circuit, induction detection circuit, voltage booster circuit for battery and switching control output circuit；The MCU control circuit sends first control signal to the induction detection circuit so that whether electric induction has the receiving module of wireless charging in the induction detection circuit；If so, then MCU control circuit sends second control signal to voltage booster circuit for battery；The voltage of rechargable battery is risen to charging voltage and exported to switching control output circuit by the voltage booster circuit for battery, and charging voltage is emitted and carries out wireless charging to target product by receiving module by the transmitting module of the switching control output circuit.The utility model provides a kind of intelligent radio charging circuit and intelligent radio charging unit, is turned on the switch in advance without user when carrying out wireless charging, as long as charge prepd is placed on charging unit by user, so that it may to automatically turn on wireless charging.
Description
Technical field
The utility model is related to the field of charging more particularly to wireless charging fields.
Background technology
Existing wireless charging product is made of battery, boosting, oscillation transmitting three parts circuit, due to vibrating radiating circuit
There is also larger quiescent dissipations in the state of no receiving module, in user without the feelings of charging (i.e. no receiving module)
Condition is not powered to oscillation radiating circuit, only as user in use, just leading in advance to avoid battery drain in circuit design
Cross manual trigger switch, at this moment circuit just give oscillation radiating circuit be powered start to work, at this time when have receiving terminal close to when, transmitting
End transmits energy to receiving terminal.Therefore, when user uses wireless charging, it is necessary to trigger switch is first opened manually, it could be normal
It charges, once user forgets to open trigger switch, wireless charging can not be normally carried out.This charging modes are not undoubtedly very square
Just.
Utility model content
Technical problem underlying to be solved in the utility model is to provide a kind of intelligent radio charging circuit and intelligent radio
Charging unit is turned on the switch when carrying out wireless charging without user, in advance as long as charge prepd is placed in charging unit by user
On, so that it may to automatically turn on wireless charging.
In order to solve the above technical problems, the utility model provides a kind of intelligent radio charging circuit, including：MCU
Control circuit, induction detection circuit, voltage booster circuit for battery and switching control output circuit；
The MCU control circuit sends first control signal to the induction detection circuit so that the induction detection electricity
Whether road electric induction has the receiving module of wireless charging；If so, then MCU control circuit sends second control signal to battery liter
Volt circuit；The voltage of rechargable battery is risen to charging voltage and exported to switching control output circuit by the voltage booster circuit for battery,
Charging voltage is emitted and is carried out to target product by receiving module wireless by the transmitting module of the switching control output circuit
Charging.
In a preferred embodiment：The MCU control circuit includes microcontroller US3, and the 6th stitch is connected to induction detection
The input terminal of circuit, the 7th stitch are connected to the output end of induction detection circuit.
In a preferred embodiment：The induction detection circuit is photo-coupler US2, and the anode of input terminal diode connects
It is connected to input power BAT, cathode is connected to the 6th stitch of the microcontroller US3；The emitter of its output end triode is grounded,
Collector is connected to the 7th stitch of the microcontroller US3；
When 6th stitch exports low level first control signal, diode is lighted；When receiving module is in induction zone
When interior, the light that the diode is sent out enters the base stage of output end triode after receiving module reflects；Triode ON,
7th stitch is grounded to form low level signal by triode.
In a preferred embodiment：When the microcontroller US3 detects that the 7th stitch is low level, the 5th stitch sends the
Two control signals to voltage booster circuit for battery.
In a preferred embodiment：When the microcontroller US3 detects that the 7th stitch is low level, the 2nd stitch sends the
Three control signals to switching control output circuit so that the 5V power supplys of voltage booster circuit for battery output are connected to switching control output electricity
The transmitting module on road.
In a preferred embodiment：The switching control output circuit includes triode QS3, and base stage is connected to microcontroller
The 2nd stitch of US3；The collector of triode QS3 is connected to the grid of metal-oxide-semiconductor QS1, drain electrode and the battery booster electricity of metal-oxide-semiconductor QS1
The 5V power supplys connection of road output, source electrode are connected to the transmitting module；
When the third control signal is high level signal, the triode QS3 conductings pull down the grid of metal-oxide-semiconductor QS1
So that metal-oxide-semiconductor QS1 conductings, to which transmitting module is connected to the 5V power supplys that voltage booster circuit for battery exports.
In a preferred embodiment：The microcontroller US3 has a detection-phase and working stage；When microcontroller US3
When detection-phase, it is in discontinuous operation state, i.e., exports low level at interval of the 6th stitch of a period of time microcontroller US3
First control signal, if the 7th stitch of microcontroller US3 does not detect low level feedback signal, microcontroller US3, which enters, to stop
It sleeps；It is single at this time if the 7th stitch of microcontroller US3 detects that low level feedback signal, microcontroller US3 are transferred to working stage
The 6th stitch of piece machine US3 persistently exports low level first control signal.
The utility model additionally provide one kind can only wireless charging device, including：Shell, the battery being placed in shell and such as
The upper intelligent radio charging circuit.
Compared to the prior art, the technical solution of the utility model has following advantageous effect：
1. the utility model provides a kind of intelligent radio charging circuit, detection circuit is incuded by setting, when induction is examined
When slowdown monitoring circuit detects receiving module, the transmitting module of MCU control circuit control switching control output circuit exports battery
5V power supplys are exported to receiving module, to realize the purpose of automated wireless charging.User in this way when through row wireless charging, as long as
It is placed adjacent to intelligent radio charging circuit product is electrically charged so that induction detection circuit detects receiving module, charges
Mode is relatively simple.
2. the utility model provides a kind of intelligent radio charging circuit, the MCU in MCU control circuit is under ideal case
In discontinuous operation state, it is in running order always can thus so that MCU does not have to, realizes the purpose of power saving.
3. the utility model additionally provides a kind of intelligent radio charging unit, which provided wireless chargings as described above
Circuit.
Description of the drawings
Fig. 1 is the circuit diagram of MCU control circuit in the preferred embodiment in the utility model；
Fig. 2 is the circuit diagram that detection circuit is incuded in the preferred embodiment in the utility model；
Fig. 3 is the circuit diagram of voltage booster circuit for battery in the preferred embodiment in the utility model；
Fig. 4 is the circuit diagram of switching control output circuit in the preferred embodiment in the utility model.
Specific implementation mode
Following embodiment will be described in further detail the utility model in conjunction with the figures above.
With reference to figure 1-4, a kind of intelligent radio charging circuit, including：MCU control circuit, induction detection circuit, battery booster
Circuit and switching control output circuit；
The MCU control circuit sends first control signal to the induction detection circuit so that the induction detection electricity
Whether road electric induction has the receiving module of wireless charging；If so, then MCU control circuit sends second control signal to battery liter
Volt circuit；The voltage of rechargable battery is risen to charging voltage and exported to switching control output circuit by the voltage booster circuit for battery,
Charging voltage is emitted and is carried out to target product by receiving module wireless by the transmitting module of the switching control output circuit
Charging.
Therefore, above-mentioned intelligent radio charging circuit is by being provided with induction detection circuit, when induction detection circuit detection
When to receiving module, the 5V power supplys that the transmitting module of MCU control circuit control switching control output circuit exports battery export
To receiving module, to realize the purpose of automated wireless charging.User in this way is when through row wireless charging, as long as production is electrically charged
Product are placed adjacent to intelligent radio charging circuit so that induction detection circuit detects that receiving module, charging modes are simpler
It is single easy.
In order to realize MCU control circuit to incuding the control of detection circuit, and realize when induction detection circuit detects
MCU control circuit is fed back after receiving module, in the present embodiment, the MCU control circuit includes microcontroller US3, and the 6th
Stitch is connected to the input terminal of induction detection circuit, and the 7th stitch is connected to the output end of induction detection circuit.
The induction detection circuit is photo-coupler US2, and the anode of input terminal diode is connected to input power BAT,
Cathode is connected to the 6th stitch of the microcontroller US3；The emitter of its output end triode is grounded, and collector is connected to described
The 7th stitch of microcontroller US3；
When 6th stitch exports low level first control signal, electric current flows to diode from input power BAT, makes
Diode is obtained to light；When receiving module is in induction zone, the light that the diode is sent out is laggard by receiving module reflection
Enter the base stage of output end triode；Triode ON, the 7th stitch are grounded to form low level signal by triode.
When the microcontroller US3 detects that the 7th stitch is low level, the 5th stitch sends low level second control signal
To voltage booster circuit for battery, so that the UC1 work of voltage booster circuit for battery boost chip, is increased to 5V by the voltage of battery, is formed
The out-put supply of 5V.
Meanwhile the microcontroller US3 detect the 7th stitch be low level when, the 2nd stitch send third control signal extremely
Switching control output circuit so that the 5V power supplys of voltage booster circuit for battery output are connected to the transmitting mould of switching control output circuit
Block.
The switching control output circuit includes triode QS3, and base stage is connected to the 2nd stitch of microcontroller US3；Three poles
The collector of pipe QS3 is connected to the grid of metal-oxide-semiconductor QS1, and the 5V power supplys of the drain electrode and voltage booster circuit for battery output of metal-oxide-semiconductor QS1 connect
It connects, source electrode is connected to the transmitting module；
When the third control signal is high level signal, the triode QS3 conductings pull down the grid of metal-oxide-semiconductor QS1
So that metal-oxide-semiconductor QS1 conductings, wireless to realize to which transmitting module to be connected to the 5V power supplys that voltage booster circuit for battery exports
The overall process of charging.
Since induction detection circuit needs the microcontroller US3 to send low level control signal, work shape could be in
State.It, will very power consumption if microcontroller US3 persistently exports low level first control signal.In order to further realize power saving
Purpose, in the present embodiment, there is a detection-phase and working stage described in microcontroller US3；When microcontroller US3 is located at detection rank
Duan Shi is in discontinuous operation state, i.e., at interval of low level first control of the 6th stitch of a period of time microcontroller US3 output
Signal processed, if the 7th stitch of microcontroller US3 does not detect that low level feedback signal, microcontroller US3 enter suspend mode；If single
The 7th stitch of piece machine US3 detects low level feedback signal, then microcontroller US3 is transferred to working stage, at this time microcontroller US3
The 6th stitch persistently export low level first control signal.Specifically, in the present embodiment, microcontroller US3 starts per 1s
10ms。
Additionally provided in the present embodiment one kind can only wireless charging device, including：Shell, the battery being placed in shell and such as
The upper intelligent radio charging circuit.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (8)
1. a kind of intelligent radio charging circuit, it is characterised in that including：MCU control circuit, induction detection circuit, battery booster electricity
Road and switching control output circuit；
The MCU control circuit sends first control signal to the induction detection circuit so that in the induction detection circuit
Whether electric induction has the receiving module of wireless charging；If so, then MCU control circuit sends second control signal to battery booster electricity
Road；The voltage of rechargable battery is risen to charging voltage and exported to switching control output circuit by the voltage booster circuit for battery, described
Charging voltage is emitted and carries out wireless charging to target product by receiving module by the transmitting module of switching control output circuit.
2. a kind of intelligent radio charging circuit according to claim 1, it is characterised in that：The MCU control circuit includes
Microcontroller US3, the 6th stitch are connected to the input terminal of induction detection circuit, and the 7th stitch is connected to the output of induction detection circuit
End.
3. a kind of intelligent radio charging circuit according to claim 2, it is characterised in that：The induction detection circuit is light
The anode of coupler US2, input terminal diode are connected to input power BAT, and cathode is connected to the 6th of the microcontroller US3
Stitch；The emitter of its output end triode is grounded, and collector is connected to the 7th stitch of the microcontroller US3；
When 6th stitch exports low level first control signal, diode is lighted；When receiving module is in induction zone,
The light that the diode is sent out enters the base stage of output end triode after receiving module reflects；Triode ON, the 7th needle
Foot is grounded to form low level signal by triode.
4. a kind of intelligent radio charging circuit according to claim 3, it is characterised in that：The microcontroller US3 is detected
When 7th stitch is low level, the 5th stitch sends second control signal to voltage booster circuit for battery.
5. a kind of intelligent radio charging circuit according to claim 4, it is characterised in that：The microcontroller US3 is detected
When 7th stitch is low level, the 2nd stitch sends third and controls signal to switching control output circuit so that battery booster electricity
The 5V power supplys of road output are connected to the transmitting module of switching control output circuit.
6. a kind of intelligent radio charging circuit according to claim 5, it is characterised in that：The switching control output circuit
Including triode QS3, base stage is connected to the 2nd stitch of microcontroller US3；The collector of triode QS3 is connected to metal-oxide-semiconductor QS1
Grid, the drain electrode of metal-oxide-semiconductor QS1 connect with the 5V power supplys that voltage booster circuit for battery exports, and source electrode is connected to the transmitting module；
When the third control signal is high level signal, the grid of metal-oxide-semiconductor QS1 is pulled down and is made by the triode QS3 conductings
Metal-oxide-semiconductor QS1 conductings, to which transmitting module to be connected to the 5V power supplys that voltage booster circuit for battery exports.
7. a kind of intelligent radio charging circuit according to any one of claim 2-6, it is characterised in that：The microcontroller
US3 has a detection-phase and working stage；When microcontroller US3 is located at detection-phase, it is in discontinuous operation state, i.e., often
The 6th stitch of certain interval of time microcontroller US3 exports low level first control signal, if the 7th stitch of microcontroller US3 does not have
Detect that low level feedback signal, microcontroller US3 enter suspend mode；If the 7th stitch of microcontroller US3 detects low level
Feedback signal, then microcontroller US3 be transferred to working stage, at this time the 6th stitch of microcontroller US3 persistently export it is low level first control
Signal processed.
8. one kind can only wireless charging device, it is characterised in that including：Shell, the battery being placed in shell and such as claim 7
The intelligent radio charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805449.0U CN207753474U (en) | 2017-12-21 | 2017-12-21 | A kind of intelligent radio charging circuit and intelligent radio charging unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721805449.0U CN207753474U (en) | 2017-12-21 | 2017-12-21 | A kind of intelligent radio charging circuit and intelligent radio charging unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207753474U true CN207753474U (en) | 2018-08-21 |
Family
ID=63149670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721805449.0U Expired - Fee Related CN207753474U (en) | 2017-12-21 | 2017-12-21 | A kind of intelligent radio charging circuit and intelligent radio charging unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207753474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707785A (en) * | 2019-11-07 | 2020-01-17 | 长春东煤高技术股份有限公司 | Primary and secondary type charging system of mine wireless methane sensor and power supply method thereof |
-
2017
- 2017-12-21 CN CN201721805449.0U patent/CN207753474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707785A (en) * | 2019-11-07 | 2020-01-17 | 长春东煤高技术股份有限公司 | Primary and secondary type charging system of mine wireless methane sensor and power supply method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20181221 |