CN207283273U - A kind of wireless charging circuit of portable equipment for surfing the net - Google Patents
A kind of wireless charging circuit of portable equipment for surfing the net Download PDFInfo
- Publication number
- CN207283273U CN207283273U CN201720768070.0U CN201720768070U CN207283273U CN 207283273 U CN207283273 U CN 207283273U CN 201720768070 U CN201720768070 U CN 201720768070U CN 207283273 U CN207283273 U CN 207283273U
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Abstract
The utility model discloses a kind of wireless charging circuit of portable equipment for surfing the net in mobile communication and artificial intelligence field, including power amplification and wireless transmitter module, the grid of signal source VINT connection second resistance R2 and the first field-effect tube Q1, the base stage and 3rd resistor R3 of the other end connecting triode Q3 of second resistance R2, the collector of triode Q3 passes through the grid of first diode D1 the second field-effect tube of connection Q2, the source electrode connection first resistor R1 of field-effect tube Q2；The collector of triode Q3 passes through the 4th resistance R4 the first transmitting coils of connection L1, the second transmitting coil L2 and power cathode VSS, the source electrode of first transmitting coil L1 the first field-effect tube of connection, the drain electrode of second transmitting coil L2 the second field-effect tube of connection Q2.The utility model has been broken while electronic equipment cruising ability deficiency is met using with limitation spatially, and work, life to people bring great convenience.
Description
Technical field
Mobile communication and artificial intelligence field are the utility model is related to, is to be related to a kind of portable online specifically
The wireless charging circuit of equipment.
Background technology
With developing rapidly for science and technology, advancing by leaps and bounds for digital product is promoted, the work, life to people bring pole
Big facility.But the charger of most of electronic product does not possess uniformity, each electronic equipment charging interface and with
Matched charger all have matching charger without unified standard, each electronic product, not only waste big
The resource of amount, increases the use cost of product, but also is unfavorable for environmental protection.Wired charging coiling is cumbersome, not portable enough, to charge
Must be ined succession charging wire, and pulling out charging wire can not just charge；Wired charging technology in the long-term use due to plugging repeatedly
Easily there is the physical damage of interface, charging under the particular surroundings such as high temperature, high pressure is absolutely unsafe.Wireless charging technology can be beaten
The constraint used with spatially is broken, many facilities are brought to life use.
Drawbacks described above, is worth improving.
The content of the invention
In order to overcome the shortcomings of existing technology, the utility model provides a kind of wireless charging electricity of portable equipment for surfing the net
Road, has broken the limitation used with spatially while electronic equipment cruising ability deficiency is met, work, life to people
Bring great convenience.
Technical solutions of the utility model are as described below：
A kind of wireless charging circuit of portable equipment for surfing the net, it is characterised in that including power amplification and wireless transmission mould
Block；
In the power amplification and wireless transmitter module, the cathode of signal source VINT connects second resistance R2 and the respectively
The grid of one field-effect tube Q1, the base stage of the other end connecting triode Q3 of the second resistance R2 and 3rd resistor R3, it is described
The collector of triode Q3 passes through the grid of first diode D1 the second field-effect tube of connection Q2, the source electrode of the field-effect tube Q2
Connect first resistor R1, the 3rd resistor R3, the emitter of the triode Q3 and the other end of the first resistor R1
It is grounded；
The collector of the triode Q3 is also connected with the 4th resistance R4, and the other end of the 4th resistance R4 connects respectively
One transmitting coil L1, the second transmitting coil L2 and power cathode VSS, the first transmitting coil L1 connections first effect
Should pipe Q1 source electrode, the drain electrode of the second transmitting coil L2 connections the second field-effect tube Q2.
According to the utility model of such scheme, it is characterised in that charging detecting model is further included,
In the charging detecting model, the 5th resistance R5 connects the drain electrode of the first field-effect tube Q1 and described respectively
The source electrode of second field-effect tube Q2, the other end of the 5th resistance R5 connect the positive input terminal and of the first amplifier U1A respectively
The negative input end of one capacitance C1, the first amplifier U1A connects the 6th resistance R6, and the output terminal of the first amplifier U1A passes through
Current rectifying and wave filtering circuit connects the positive input terminal of the second amplifier U2A, the negative input end connection reference voltage of the second amplifier U2A
The output terminal of VDD, the second amplifier U2A connect the 7th resistance R7 and the 8th resistance R8 respectively, and the 7th resistance R7's is another
One end connects the cathode of the second Light-emitting diode LED 2, and the other end of the 8th resistance R8 connects the first Light-emitting diode LED 1
Anode, the cathode of first Light-emitting diode LED 1, the anode of second Light-emitting diode LED 2, the 6th resistance
The other end of R6 and the first capacitance C1 are grounded.
Further, the filter circuit includes the second diode D2, the second capacitance C2 and the 3rd capacitance C3, and described
The anode of two diode D2 connects the output terminal connection of the first amplifier U1A, the cathode connection of the second diode D2 described the
Two capacitance C2 and the 3rd capacitance C3, the other end of the second capacitance C2 and the other end of the 3rd capacitance C3 connect
Ground.
Further, the octal of the first amplifier U1A and the octal of the second amplifier U2A are all connected with 12V confessions
Power supply, the 4th foot of the first amplifier U1A and the 4th foot of the second amplifier U2A are all connected with negative voltage power supply.
According to the utility model of such scheme, it is characterised in that the input signal of the signal source VINT is believed for pulse
Number.
Further, the pulse signal is the impulse wave of 36.7KHZ.
According to the utility model of such scheme, its advantage is：
1st, convenience：The utility model has broken away from the application of traditional charging process charging wire, only need to be in certain scope
It can charge.
2nd, versatility：The utility model support a variety of difference in functionality, different model product using same charger into
Row charging, it is versatile.
3rd, physical damage is reduced：The utility model eliminates asking for interface damage using the electronic product of wireless charger
Topic, while allow equipment to reduce the exposure of charging port, reduce the risk that whole charging equipment bears physical damage.
Brief description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is further described in embodiment：
A kind of as shown in Figure 1, wireless charging circuit of portable equipment for surfing the net, it is characterised in that including power amplification with
Wireless transmitter module and charging detecting model.Power amplification utilizes electromagnetic induction principle with wireless transmitter module, to inductive load
Carry out wireless transmission method charging；Charging detecting model realizes intelligent charge detection function, when wireless charger charges load,
Charging instruction etc. is by flash for prompting.
In power amplification and wireless transmitter module：
The input signal of signal source VINT is the pulse signal of 36.7KHZ.The cathode of signal source VINT connects second respectively
The grid of resistance R2 and the first field-effect tube Q1, the base stage and 3rd resistor of the other end connecting triode Q3 of second resistance R2
The collector of R3, triode Q3 pass through the grid of first diode D1 the second field-effect tube of connection Q2, the source electrode of field-effect tube Q2
First resistor R1 is connected, the other end of 3rd resistor R3, the emitter of triode Q3 and first resistor R1 are grounded.
The collector of triode Q3 is also connected with the 4th resistance R4, and the other end of the 4th resistance R4 connects the first emission lines respectively
Circle L1, the second transmitting coil L2 and power cathode VSS, the source electrode of first transmitting coil L1 the first field-effect tube of connection Q1, the
The drain electrode of two transmitting coil L2 the second field-effect tube of connection Q2.
In charging detecting model：
5th resistance R5 connects drain electrode and the source electrode of the second field-effect tube Q2 of the first field-effect tube Q1, the 5th resistance respectively
The other end of R5 connects the negative input end connection of the positive input terminal and the first capacitance C1, the first amplifier U1A of the first amplifier U1A respectively
The output terminal of 6th resistance R6, the first amplifier U1A pass through the second diode D2 connection current rectifying and wave filtering circuits, and filter circuit includes the
Two capacitance C2 and the 3rd capacitance C3, one end of the second capacitance C2 and one end of the 3rd capacitance C3 and the cathode of the second diode D2 connect
Connect, the other end of the second capacitance C2 and the other end of the 3rd capacitance C3 are grounded.
The other end of current rectifying and wave filtering circuit connects the positive input terminal of the second amplifier U2A, and the negative input end of the second amplifier U2A connects
The output terminal for meeting reference voltage V DD, the second amplifier U2A connects the 7th resistance R7 and the 8th resistance R8 respectively, the 7th resistance R7's
The other end connects the cathode of the second Light-emitting diode LED 2, and the other end of the 8th resistance R8 connects the first Light-emitting diode LED 1
Anode, the cathode of the first Light-emitting diode LED 1, the anode of the second Light-emitting diode LED 2, the 6th resistance R6 and the first capacitance
The other end of C1 is grounded.
The octal of first amplifier U1A and the octal of the second amplifier U2A are all connected with 12V power supplies, the first amplifier U1A
The 4th foot and the second amplifier U2A the 4th foot be all connected with negative voltage power supply.
The operation principle of the utility model is：
Power amplification carries out power amplification, emitted line with the pulse signal that wireless transmitter module produces signal source VINT
Circle is launched.Specifically, when pulse is high level, the grid of the first field-effect tube Q1 is high level, the first field-effect tube
Q1 is turned on, and triode Q3 saturations, the Uce voltages of triode Q3 only have 0.67V at this time, the second field-effect after the first diode D1
The grid voltage of pipe Q2 is 0, the second field-effect tube Q2 cut-offs；When pulse is low level, the first field-effect tube Q1, triode Q3
End at the same time, electric current directly flows through the 4th resistance R4, first resistor D1 and the second field-effect tube Q2, and the second field-effect tube Q2 is led
It is logical.Electric current carries out power amplification by the second field-effect tube Q2, makes transmitting coil（L1, L2）Magnetic field is produced, when receiving coil leans on
When near, magnetic energy produces electricl energy on receiving coil, and energy is wirelessly transmitted.
In charging detecting model：When there is inductive load, the voltage on the 5th resistance R5 can increase, through the first amplifier U1A
After amplification, voltage change is obvious, then obtains after second resistance D2, the second capacitance C2 and the 3rd capacitance C3 rectifying and wave-filterings pair
Than voltage U2, contrast potential U2 is compared with reference voltage V DD.Contrast potential U2>Reference voltage V DD, the second amplifier U2A output Ui
It is bright for high level, 1 lamp of the first Light-emitting diode LED；When inductive load is fully charged (or not sensing load), contrast potential U2
<Reference voltage V DD, amplifier output Ui is low level, and 2 lamp of the second Light-emitting diode LED is bright.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Exemplary description is carried out to the utility model patent above in conjunction with attached drawing, it is clear that the reality of the utility model patent
Now be not subject to the restrictions described above, if employ the utility model patent methodology and technical solution carry out it is various
Improve, or it is not improved the design of the utility model patent and technical solution are directly applied into other occasions, in this reality
With in new protection domain.
Claims (6)
1. a kind of wireless charging circuit of portable equipment for surfing the net, it is characterised in that including power amplification and wireless transmitter module；
In the power amplification and wireless transmitter module, the cathode of signal source VINT connects second resistance R2 and first respectively
The grid of effect pipe Q1, the base stage and 3rd resistor R3 of the other end connecting triode Q3 of the second resistance R2, three pole
The collector of pipe Q3 passes through the grid of first diode D1 the second field-effect tube of connection Q2, the source electrode connection of the field-effect tube Q2
First resistor R1, the 3rd resistor R3, the emitter of the triode Q3 and the other end of the first resistor R1 connect
Ground；
The collector of the triode Q3 is also connected with the 4th resistance R4, and the other end of the 4th resistance R4 connects the first hair respectively
Ray circle L1, the second transmitting coil L2 and power cathode VSS, the first transmitting coil L1 connections first field-effect tube
The source electrode of Q1, the drain electrode of the second transmitting coil L2 connections the second field-effect tube Q2.
2. the wireless charging circuit of portable equipment for surfing the net according to claim 1, it is characterised in that further include charging inspection
Survey module,
In the charging detecting model, the 5th resistance R5 connects the drain electrode and described second of the first field-effect tube Q1 respectively
The source electrode of field-effect tube Q2, the other end of the 5th resistance R5 connect the positive input terminal and the first electricity of the first amplifier U1A respectively
Hold C1, the negative input end of the first amplifier U1A connects the 6th resistance R6, and the output terminal of the first amplifier U1A is through over commutation
Filter circuit connects the positive input terminal of the second amplifier U2A, the negative input end connection reference voltage VDD of the second amplifier U2A, institute
The output terminal for stating the second amplifier U2A connects the 7th resistance R7 and the 8th resistance R8 respectively, and the other end of the 7th resistance R7 connects
The cathode of the second Light-emitting diode LED 2 is connect, the other end of the 8th resistance R8 connects the sun of the first Light-emitting diode LED 1
Pole, the cathode of first Light-emitting diode LED 1, the anode of second Light-emitting diode LED 2, the 6th resistance R6 with
And the other end of the first capacitance C1 is grounded.
3. the wireless charging circuit of portable equipment for surfing the net according to claim 2, it is characterised in that the filter circuit
Including the second diode D2, the second capacitance C2 and the 3rd capacitance C3, the anode of the second diode D2 connects the first amplifier
The output terminal connection of U1A, the cathode of the second diode D2 connects the second capacitance C2 and the 3rd capacitance C3, described
The other end of the other end of second capacitance C2 and the 3rd capacitance C3 are grounded.
4. the wireless charging circuit of portable equipment for surfing the net according to claim 2, it is characterised in that first amplifier
The octal of the octal of U1A and the second amplifier U2A are all connected with 12V power supplies, the 4th foot of the first amplifier U1A
Negative voltage power supply is all connected with the 4th foot of the second amplifier U2A.
5. the wireless charging circuit of portable equipment for surfing the net according to claim 1, it is characterised in that the signal source
The input signal of VINT is pulse signal.
6. the wireless charging circuit of portable equipment for surfing the net according to claim 5, it is characterised in that the pulse signal
For the impulse wave of 36.7KHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768070.0U CN207283273U (en) | 2017-06-29 | 2017-06-29 | A kind of wireless charging circuit of portable equipment for surfing the net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720768070.0U CN207283273U (en) | 2017-06-29 | 2017-06-29 | A kind of wireless charging circuit of portable equipment for surfing the net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207283273U true CN207283273U (en) | 2018-04-27 |
Family
ID=61992794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720768070.0U Expired - Fee Related CN207283273U (en) | 2017-06-29 | 2017-06-29 | A kind of wireless charging circuit of portable equipment for surfing the net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207283273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038852A (en) * | 2018-08-07 | 2018-12-18 | 吉林大学 | It is a kind of can intelligent tuning energy wireless transmitting system |
-
2017
- 2017-06-29 CN CN201720768070.0U patent/CN207283273U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038852A (en) * | 2018-08-07 | 2018-12-18 | 吉林大学 | It is a kind of can intelligent tuning energy wireless transmitting system |
| CN109038852B (en) * | 2018-08-07 | 2021-03-26 | 吉林大学 | Intelligent tuning energy wireless transmission system |
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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 |
Granted publication date: 20180427 Termination date: 20190629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |