CN206658080U - A kind of multichannel launches wireless charging transmitter - Google Patents
A kind of multichannel launches wireless charging transmitter Download PDFInfo
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- CN206658080U CN206658080U CN201720471094.XU CN201720471094U CN206658080U CN 206658080 U CN206658080 U CN 206658080U CN 201720471094 U CN201720471094 U CN 201720471094U CN 206658080 U CN206658080 U CN 206658080U
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Abstract
The utility model provides a kind of multichannel transmitting wireless charging transmitter,It includes power management module (1),The wireless charging transmitter module (2) that at least two-way electrically connects with power management module (1),The wireless charging transmitter module (2) includes governor circuit (21),Drive circuit (22),Detect circuit (23),Transmitting coil (24),The power management module (1) is to governor circuit (21),Drive circuit (22),Detect circuit (23),Transmitting coil (24) is powered,The detection circuit (23) detects charging equipment governor circuit (21) feedback signal backward,The governor circuit (21) controls drive circuit (22) work to produce magnetic field,Electromagnetic wave is launched to charging equipment receiver by the transmitting coil (24) and charged in magnetic field.The utility model facilitates people and uses mobile phone, extends the usage time of Mobile phone plug, reaches the wireless charging purpose without connecting line, easy to use, practical.
Description
Technical field
It the utility model is related to charger technologies field, and in particular to a kind of multichannel launches wireless charging transmitter.
Background technology
Charger is inseparable with using for mobile phone, and the output end of the power unit of common charger has a direct current defeated
Outlet, the tail end of line have a DC plug, and the specification of this plug is just matched with the data and charging inlet of mobile phone, filled
Charger is inserted on civil power when electric, its DC plug is inserted into can on mobile phone charges to mobile phone.
In view of described above, common charger will insert and pull out that connection DC in charging and at the end of charging is inserted
Head, with the increase of charging times, the socket of DC plugs and mobile phone will wear will be more and more severe, and their connection will
Loose contact can be become, so as to charge well, influence mobile phone normal use, based on this, design a kind of new multichannel
Launch wireless charging transmitter or necessary.
Utility model content
For above-mentioned prior art, technical problem to be solved in the utility model is to provide a kind of multichannel transmitting wireless charging
Electric transmitter, it is reasonable in design, the usage time of Mobile phone plug is extended, reaches the wireless charging purpose without connecting line,
It is easy to use, greatly facilitate people and use mobile phone.
In order to solve the above-mentioned technical problem, the utility model provides a kind of multichannel transmitting wireless charging transmitter, and it is wrapped
Include power management module, the wireless charging transmitter module that at least two-way electrically connects with power management module, the wireless charging hair
Penetrating module includes governor circuit, drive circuit, detection circuit, transmitting coil, and the power management module is to governor circuit, driving
Circuit, detection circuit, transmitting coil power supply, the detection electric circuit inspection to the charging equipment governor circuit feedback letter backward
Number, the governor circuit controls the drive circuit works to produce magnetic field, and magnetic field is connect by the transmitting coil to charging equipment
Device transmitting electromagnetic wave is received to be charged.
Further improvement of the utility model is that the governor circuit includes main control chip U2, the main control chip U2's
Pin 2 is connected to resistance R6 one end, electric capacity C6 one end, the other end ground connection of the electric capacity C6, the main control chip simultaneously
U2 pin 3 is connected to resistance R13 one end, electric capacity C13 one end, the other end ground connection of the electric capacity C13, the electricity simultaneously
The other end for hindering R13 is connected to resistance R10 one end, adjustable resistance RTC1 one end simultaneously, and the other end of the resistance R10 connects
Power end, the other end ground connection of the adjustable resistance RTC1 are connected to, the pin 4 of the main control chip U2 is connected to electric capacity C16's
One end, the other end ground connection of the electric capacity C16, the pin 7 of the main control chip U2 are connected to electric capacity C12 one end, electricity simultaneously
Hold C14 one end, ground terminal, the pin 8 of the main control chip U2 is connected to the electric capacity C12 other end, the main control chip U2's
Pin 9 is connected to the electric capacity C14 other end, power end simultaneously, and the pin 11 of the main control chip U2 is connected to the one of resistance R19
End, the other end of the resistance R19 are connected to the negative pole end of LED 2, and the pin 12 of the main control chip U2 connects
To resistance R17 one end, the other end of the resistance R17 is connected to the negative pole end of LED 1, the light-emitting diodes
Pipe LED1, the positive terminal of LED 2 are connected to power end simultaneously, and the pin 15 of the main control chip U2 is connected to electricity
Source, the pin 19 of the main control chip U2 are connected to resistance R8 one end, electric capacity C10 one end simultaneously, the electric capacity C10's
The other end is grounded, and the pin 20 of the main control chip U2 is connected to resistance R4 one end, voltage-stabiliser tube U1 negative pole end simultaneously, described
Voltage-stabiliser tube U1 positive terminal is connected to ground terminal, and the other end of the resistance R4 is connected to power end.
Further improvement of the utility model is that the drive circuit includes metal-oxide-semiconductor Q1 to Q4, and the G of the metal-oxide-semiconductor Q1 draws
Pin is connected to resistance R1 one end, main control chip U2 pin 16 simultaneously, and the D pins of the metal-oxide-semiconductor Q1 are connected to metal-oxide-semiconductor simultaneously
Q3 D pins, electric capacity C2 one end, electric capacity C3 one end, electric capacity C4 one end, electric capacity C5 one end, electric capacity C39 one end,
The G pins of the metal-oxide-semiconductor Q3 are connected to main control chip U2 pin 13, and the S pins of the metal-oxide-semiconductor Q3 are connected to metal-oxide-semiconductor Q4 S
Pin, the G pins of the metal-oxide-semiconductor Q4 are connected to main control chip U2 pin 17, the other end of the electric capacity C2, electric capacity C3 it is another
One end, the electric capacity C4 other end, the electric capacity C5 other end are connected to electric capacity C70 one end, resistance R3 one end, emission lines simultaneously
L1 one end is enclosed, the other end of the resistance R3 is connected to diode D1 positive terminal, and the D pins of the metal-oxide-semiconductor Q4 connect simultaneously
It is connected to the electric capacity C70 other end, the transmitting coil L1 other end, metal-oxide-semiconductor Q2 D pins, electric capacity C40 one end, the metal-oxide-semiconductor
Q2 G pins are connected to main control chip U2 pin 14, resistance R2 one end, the other end, the metal-oxide-semiconductor Q1 of the resistance R1 simultaneously
S pins, the electric capacity C39 other end, the electric capacity C40 other end, metal-oxide-semiconductor Q2 S pins, the resistance R2 other end connect simultaneously
To power end.
Further improvement of the utility model is that the detection circuit includes comparator U3, metal-oxide-semiconductor Q5, the diode
D1 negative pole end is connected to resistance R7 one end, electric capacity C7 one end, electric capacity C8 one end, resistance R20 one end simultaneously, described
The electric capacity C7 other end is connected to resistance R9 one end, resistance R14 one end, comparator U3 pin 3, the comparator simultaneously
U3 pin 2 is connected to resistance R12 one end, resistance R18 one end simultaneously, and the other end of the resistance R12 is connected to electric capacity
C11 one end, the other end of the resistance R18 are connected to comparator U3 pin 1, the resistance R6 other end, the electricity simultaneously
The resistance R20 other end is connected to metal-oxide-semiconductor Q5 D pins, and the G pins of the metal-oxide-semiconductor Q5 are connected to main control chip U2 pin 6,
The S pins of the metal-oxide-semiconductor Q5 are connected to main control chip U2 pin 3, and the pin 5 of the comparator U3 is connected to electric capacity simultaneously
C71 one end, resistance R11 one end, metal-oxide-semiconductor Q3 S pins, metal-oxide-semiconductor Q4 S pins, the other end of the electric capacity C71 is simultaneously
Resistance R15 one end, resistance R16 one end, comparator U3 pin 6 are connected to, the other end of the resistance R16 connects simultaneously
The other end of pin 7, resistance R8 to comparator U3, the pin 8 of the comparator U3 are connected to electric capacity C9 one end, electricity simultaneously
Source, the other end of the resistance R9 are connected to power end, the other end of the resistance R7, the electric capacity C8 other end, resistance R14
The other end, the electric capacity C11 other end, the resistance R11 other end, the resistance R15 other end, electric capacity C9 the other end, compare
Device U3 pin 4 is respectively connecting to ground terminal.
Further improvement of the utility model is that the multichannel transmitting wireless charging transmitter is additionally provided with USB charging inlets.
Further improvement of the utility model is that the main control chip U2 uses MCU single-chip microcomputers.
Compared with prior art, the utility model using detection electric circuit inspection to after charging equipment to governor circuit feedback letter
Number, governor circuit control drive circuit works produce magnetic field, and electromagnetism is launched in magnetic field by transmitting coil to charging equipment receiver
Ripple is charged.The utility model facilitates people and uses mobile phone, extends the usage time of Mobile phone plug, reaches without connection
The wireless charging purpose of line, it is easy to use, it is practical.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model;
Fig. 2 is the circuit theory diagrams of governor circuit of the present utility model;
Fig. 3 is drive circuit of the present utility model and the circuit theory diagrams for detecting circuit.
Each component names are as follows in figure：
1-power management module;
2-wireless charging transmitter module;
21-governor circuit;
22-drive circuit;
23-detection circuit;
24-transmitting coil.
Embodiment
Explanation and embodiment further illustrate to the utility model below in conjunction with the accompanying drawings, similar member in accompanying drawing
Part label represents similar element.
As shown in figure 1, a kind of multichannel transmitting wireless charging transmitter of the present utility model, it includes power management module 1,
The wireless charging transmitter module 2 that three tunnels electrically connect with power management module 1, the wireless charging transmitter module 2 include master control electricity
Road 21, drive circuit 22, detection circuit 23, transmitting coil 24, the power management module 1 is to governor circuit 21, drive circuit
22nd, detection circuit 23, transmitting coil 24 are powered, and the detection circuit 23 detects charging equipment, and the governor circuit 21 is anti-backward
Feedback signal, the governor circuit 21 control the drive circuit 22 work to produce magnetic field, magnetic field by the transmitting coil 24 to
Charging equipment receiver transmitting electromagnetic wave is charged.The power management module 1 include limit detection circuit, current-limiting circuit,
Power supply input circuit, on-off circuit etc., the power management module 1 are prior art, are not elaborated herein.
Specifically, as shown in Fig. 2 the governor circuit 21 includes main control chip U2, resistance R4, resistance R6, resistance R8, electricity
Hinder R10, resistance R13, resistance R17, resistance R19, electric capacity C6, electric capacity C10, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C16,
Adjustable resistance RTC1, voltage-stabiliser tube U1, LED 1, LED 2, the pin 2 of the main control chip U2 is simultaneously
It is connected to resistance R6 one end, electric capacity C6 one end, the other end ground connection of the electric capacity C6, the pin 3 of the main control chip U2
Resistance R13 one end, electric capacity C13 one end are connected to simultaneously, and the other end ground connection of the electric capacity C13, the resistance R13's is another
One end is connected to resistance R10 one end, adjustable resistance RTC1 one end simultaneously, and the other end of the resistance R10 is connected to power supply
End, the other end ground connection of the adjustable resistance RTC1, the pin 4 of the main control chip U2 is connected to electric capacity C16 one end, described
Electric capacity C16 other end ground connection, the pin 7 of the main control chip U2 are connected to electric capacity C12 one end, the one of electric capacity C14 simultaneously
End, ground terminal, the pin 8 of the main control chip U2 are connected to the electric capacity C12 other end, and the pin 9 of the main control chip U2 is simultaneously
Electric capacity the C14 other end, power end are connected to, the pin 11 of the main control chip U2 is connected to resistance R19 one end, the electricity
The resistance R19 other end is connected to the negative pole end of LED 2, and the pin 12 of the main control chip U2 is connected to resistance R17
One end, the other end of the resistance R17 is connected to the negative pole end of LED 1, the LED 1, hair
Optical diode LED2 positive terminal is connected to power end simultaneously, and the pin 15 of the main control chip U2 is connected to power end, described
Main control chip U2 pin 19 is connected to resistance R8 one end, electric capacity C10 one end, another termination of the electric capacity C10 simultaneously
Ground, the pin 20 of the main control chip U2 are connected to resistance R4 one end, voltage-stabiliser tube U1 negative pole end, the voltage-stabiliser tube U1 simultaneously
Positive terminal be connected to ground terminal, the other end of the resistance R4 is connected to power end.The main control chip U2 uses MCU monolithics
Machine.
Specifically, as shown in figure 3, the drive circuit 22 include metal-oxide-semiconductor Q1 to Q4, resistance R1 to R3, transmitting coil L1,
Electric capacity C2 to C5, electric capacity C39, electric capacity C40, electric capacity C70, the metal-oxide-semiconductor Q1 G pins simultaneously be connected to resistance R1 one end,
Main control chip U2 pin 16, the D pins of the metal-oxide-semiconductor Q1 are connected to metal-oxide-semiconductor Q3 D pins, electric capacity C2 one end, electricity simultaneously
Hold C3 one end, electric capacity C4 one end, electric capacity C5 one end, electric capacity C39 one end, the G pins of the metal-oxide-semiconductor Q3 are connected to master
Chip U2 pin 13 is controlled, the S pins of the metal-oxide-semiconductor Q3 are connected to metal-oxide-semiconductor Q4 S pins, and the G pins of the metal-oxide-semiconductor Q4 connect
It is connected to main control chip U2 pin 17, the other end, the electric capacity C3 other end, the electric capacity C4 other end, the electric capacity of the electric capacity C2
The C5 other end is connected to electric capacity C70 one end, resistance R3 one end, transmitting coil L1 one end simultaneously, the resistance R3's
The other end is connected to diode D1 positive terminal, and the D pins of the metal-oxide-semiconductor Q4 are connected to the electric capacity C70 other end, transmitting simultaneously
The coil L1 other end, metal-oxide-semiconductor Q2 D pins, electric capacity C40 one end, the G pins of the metal-oxide-semiconductor Q2 are connected to master control simultaneously
Chip U2 pin 14, resistance R2 one end, the other end of the resistance R1, metal-oxide-semiconductor Q1 S pins, electric capacity C39 it is another
End, the electric capacity C40 other end, metal-oxide-semiconductor Q2 S pins, resistance the R2 other end are connected to power end simultaneously.
Specifically, as shown in figure 3, the detection circuit 23 includes comparator U3, metal-oxide-semiconductor Q5, resistance R7, resistance R9, electricity
Hinder R11 to R12, resistance R14 to R16, resistance R20, electric capacity C7 to C9, electric capacity C11, electric capacity C71, the negative pole of the diode D1
End is connected to resistance R7 one end, electric capacity C7 one end, electric capacity C8 one end, resistance R20 one end simultaneously, the electric capacity C7's
The other end is connected to resistance R9 one end, resistance R14 one end, comparator U3 pin 3, the pin of the comparator U3 simultaneously
2 are connected to resistance R12 one end, resistance R18 one end simultaneously, and the other end of the resistance R12 is connected to the one of electric capacity C11
End, the other end of the resistance R18 are connected to comparator U3 pin 1, the resistance R6 other end simultaneously, the resistance R20's
The other end is connected to metal-oxide-semiconductor Q5 D pins, and the G pins of the metal-oxide-semiconductor Q5 are connected to main control chip U2 pin 6, the MOS
Pipe Q5 S pins are connected to main control chip U2 pin 3, and the pin 5 of the comparator U3 is connected to the one of electric capacity C71 simultaneously
End, resistance R11 one end, metal-oxide-semiconductor Q3 S pins, metal-oxide-semiconductor Q4 S pins, the other end of the electric capacity C71 are connected to simultaneously
Resistance R15 one end, resistance R16 one end, comparator U3 pin 6, the other end of the resistance R16 is connected to simultaneously to be compared
Device U3 pin 7, the resistance R8 other end, the pin 8 of the comparator U3 are connected to electric capacity C9 one end, power end simultaneously,
The other end of the resistance R9 is connected to power end, the other end of the resistance R7, the electric capacity C8 other end, resistance R14 it is another
One end, the electric capacity C11 other end, the resistance R11 other end, the resistance R15 other end, the electric capacity C9 other end, comparator U3
Pin 4 be respectively connecting to ground terminal.
Preferably, a kind of multichannel transmitting wireless charging transmitter of the present utility model is additionally provided with USB charging inlets.
Civil power is first converted into the DC19V of low pressure by present embodiment by a power supply unit, then supply master
Pcb board is controlled, has two major parts functional module on master control pcb board, it includes power management module 1 and wireless charging transmitter module 2, nothing
Micro USB electricity transmitter module 2 includes governor circuit 21, drive circuit 22, detection circuit 23, transmitting coil 24；Master control PCB plates will
Electric energy after above-mentioned several big functional circuit processing is transmitted to transmitting coil 24 and sent, and receiving terminal is one and is enclosed on the soft modeling of mobile phone
Material set, is also integrated with a receiving coil, data mutual transmission circuit, mu balanced circuit, current limit circuit inside this plastic sheath,
Receiving coil near transmitting coil 24 becomes DC5V1A power supply after being changed again by magnetoelectricity, filled by one with mobile phone
The plug of electrical interface pairing charges the phone.
When present embodiment normal work, master control PCB plates can launch a detection in a short period of time
Signal, as long as the mobile phone with wireless receiving plate cell phone rear cover to be put into the transmitting coil of this multichannel transmitting wireless charging transmitter
On 24, receiving coil receives after this detection signal and gives its converted electrical number to data mutual transmission circuit, data mutual transmission electricity
Road can reply a confirmation signal and send back to transmitting coil 24 by receiving coil, and this signal is transmitted to master control by transmitting coil 24
Chip U2, main control chip U2 confirm that this signal begins through transmitting coil 24 and sends certain energy to receiving coil, and
Current with a LED instruction is charged state.
During normal work, when the object for having metal class is near transmitting coil 24, the energy of a part can be drawn, so
Input current can be caused to increase, at this moment the limit detection circuit on the power management module 1 on master control PCB plates can detect this
Individual abnormal electric current, main control chip U2 may turn off output, and this wrong state is indicated with a LED；When one section
All detected in time less than from receiving coil confirmation signal, main control chip U2 can control the major part of whole master control PCB plates
Circuit enters Low-power-consumptiodormancy dormancy pattern, and into after park mode, most of circuit can be stopped, and only remaining partial circuit can be
Continue to send detection model in unit interval, until receiving from receiving coil confirmation signal.Park mode is now exited, is entered
Enter normal charge mode, circulation like this is gone down.
Present embodiment is related to wireless 5V charger for mobile phone or wireless 5V1A small-power electronic device power supply (DPS)
The application of supply, charges in this way, can not have to the output plug of plug charger for mobile phone on mobile phone, extend
The usage time of Mobile phone plug, so as to reach the wireless charging purpose for not having to connecting line, there is wide market application foreground.
Detected the utility model has the advantage of, the utility model using detection circuit 23 after charging equipment to master control electricity
The feedback signal of road 21, governor circuit 21 control the work of drive circuit 22 to produce magnetic field, and magnetic field is set by transmitting coil 24 to charging
Standby receiver transmitting electromagnetic wave is charged.The utility model facilitates people and uses mobile phone, extends the use of Mobile phone plug
Time, reach the wireless charging purpose without connecting line, it is easy to use, it is practical.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (6)
1. a kind of multichannel launches wireless charging transmitter, it is characterised in that：It includes power management module (1), at least two-way with
The wireless charging transmitter module (2) of power management module (1) electrical connection, the wireless charging transmitter module (2) include master control electricity
Road (21), drive circuit (22), detection circuit (23), transmitting coil (24), the power management module (1) is to governor circuit
(21), drive circuit (22), detection circuit (23), transmitting coil (24) power supply, the detection circuit (23) detect that charging is set
Standby backward governor circuit (21) feedback signal, the governor circuit (21) control drive circuit (22) work to produce magnetic
, magnetic field is launched electromagnetic wave to charging equipment receiver by the transmitting coil (24) and charged.
2. multichannel according to claim 1 launches wireless charging transmitter, it is characterised in that：Governor circuit (21) bag
Include main control chip U2, the main control chip U2 pin 2 while be connected to resistance R6 one end, electric capacity C6 one end, the electricity
Holding C6 other end ground connection, the pin 3 of the main control chip U2 is connected to resistance R13 one end, electric capacity C13 one end simultaneously,
The other end ground connection of the electric capacity C13, the other end of the resistance R13 are connected to resistance R10 one end, adjustable resistance simultaneously
RTC1 one end, the other end of the resistance R10 are connected to power end, and the other end ground connection of the adjustable resistance RTC1 is described
Main control chip U2 pin 4 is connected to electric capacity C16 one end, and the other end of the electric capacity C16 is grounded, the main control chip U2's
Pin 7 is connected to electric capacity C12 one end, electric capacity C14 one end, ground terminal simultaneously, and the pin 8 of the main control chip U2 is connected to electricity
Hold the C12 other end, the pin 9 of the main control chip U2 is connected to electric capacity the C14 other end, power end, the master control simultaneously
Chip U2 pin 11 is connected to resistance R19 one end, and the other end of the resistance R19 is connected to the negative of LED 2
Extremely, the pin 12 of the main control chip U2 is connected to resistance R17 one end, and the other end of the resistance R17 is connected to luminous
The negative pole end of diode (LED) 1, the LED 1, the positive terminal of LED 2 are connected to power end simultaneously,
The pin 15 of the main control chip U2 is connected to power end, and the pin 19 of the main control chip U2 is connected to the one of resistance R8 simultaneously
End, electric capacity C10 one end, the other end ground connection of the electric capacity C10, the pin 20 of the main control chip U2 are connected to resistance simultaneously
R4 one end, voltage-stabiliser tube U1 negative pole end, the positive terminal of the voltage-stabiliser tube U1 are connected to ground terminal, and the other end of the resistance R4 connects
It is connected to power end.
3. multichannel according to claim 2 launches wireless charging transmitter, it is characterised in that：Drive circuit (22) bag
Metal-oxide-semiconductor Q1 to Q4 is included, the G pins of the metal-oxide-semiconductor Q1 are connected to resistance R1 one end, main control chip U2 pin 16, institute simultaneously
State metal-oxide-semiconductor Q1 D pins while be connected to metal-oxide-semiconductor Q3 D pins, electric capacity C2 one end, electric capacity C3 one end, the one of electric capacity C4
End, electric capacity C5 one end, electric capacity C39 one end, the G pins of the metal-oxide-semiconductor Q3 are connected to main control chip U2 pin 13, described
Metal-oxide-semiconductor Q3 S pins are connected to metal-oxide-semiconductor Q4 S pins, and the G pins of the metal-oxide-semiconductor Q4 are connected to main control chip U2 pin
17, the electric capacity C2 other end, the electric capacity C3 other end, the electric capacity C4 other end, the electric capacity C5 other end are connected to simultaneously
Electric capacity C70 one end, resistance R3 one end, transmitting coil L1 one end, the other end of the resistance R3 are connected to diode D1
Positive terminal, the D pins of the metal-oxide-semiconductor Q4 are connected to the electric capacity C70 other end, the transmitting coil L1 other end, metal-oxide-semiconductor simultaneously
Q2 D pins, electric capacity C40 one end, the G pins of the metal-oxide-semiconductor Q2 are connected to main control chip U2 pin 14, resistance R2 simultaneously
One end, the other end, metal-oxide-semiconductor Q1 S pins, the electric capacity C39 other end, electric capacity the C40 other end, the MOS of the resistance R1
Pipe Q2 S pins, the resistance R2 other end are connected to power end simultaneously.
4. multichannel according to claim 3 launches wireless charging transmitter, it is characterised in that：Detection circuit (23) bag
Include comparator U3, metal-oxide-semiconductor Q5, the diode D1 negative pole end are connected to resistance R7 one end, electric capacity C7 one end, electricity simultaneously
Hold C8 one end, resistance R20 one end, the other end of the electric capacity C7 is connected to resistance R9 one end, the one of resistance R14 simultaneously
End, comparator U3 pin 3, the pin 2 of the comparator U3 are connected to resistance R12 one end, resistance R18 one end simultaneously,
The other end of the resistance R12 is connected to electric capacity C11 one end, and the other end of the resistance R18 is connected to comparator U3 simultaneously
Pin 1, the resistance R6 other end, the other end of the resistance R20 is connected to metal-oxide-semiconductor Q5 D pins, the G of the metal-oxide-semiconductor Q5
Pin is connected to main control chip U2 pin 6, and the S pins of the metal-oxide-semiconductor Q5 are connected to main control chip U2 pin 3, the ratio
Pin 5 compared with device U3 is connected to electric capacity C71 one end, resistance R11 one end, metal-oxide-semiconductor Q3 S pins, metal-oxide-semiconductor Q4 S simultaneously
Pin, the other end of the electric capacity C71 are connected to resistance R15 one end, resistance R16 one end, comparator U3 pin simultaneously
6, the resistance R16 other end are connected to comparator U3 pin 7, the resistance R8 other end simultaneously, the comparator U3's
Pin 8 is connected to electric capacity C9 one end, power end simultaneously, and the other end of the resistance R9 is connected to power end, the resistance R7
The other end, the electric capacity C8 other end, the resistance R14 other end, the electric capacity C11 other end, resistance the R11 other end, resistance
The R15 other end, the electric capacity C9 other end, comparator U3 pin 4 are respectively connecting to ground terminal.
5. the multichannel transmitting wireless charging transmitter according to any one of Claims 1-4, it is characterised in that：It is additionally provided with USB
Charging inlet.
6. multichannel according to claim 2 launches wireless charging transmitter, it is characterised in that：The main control chip U2 is used
MCU single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471094.XU CN206658080U (en) | 2017-05-02 | 2017-05-02 | A kind of multichannel launches wireless charging transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471094.XU CN206658080U (en) | 2017-05-02 | 2017-05-02 | A kind of multichannel launches wireless charging transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206658080U true CN206658080U (en) | 2017-11-21 |
Family
ID=60320259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720471094.XU Active CN206658080U (en) | 2017-05-02 | 2017-05-02 | A kind of multichannel launches wireless charging transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206658080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518707A (en) * | 2019-08-14 | 2019-11-29 | 维沃移动通信有限公司 | Transmitting end equipment, receiving device and wireless charging method |
| TWI780957B (en) * | 2021-09-06 | 2022-10-11 | 立錡科技股份有限公司 | Wireless charging system and operating method thereof |
-
2017
- 2017-05-02 CN CN201720471094.XU patent/CN206658080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518707A (en) * | 2019-08-14 | 2019-11-29 | 维沃移动通信有限公司 | Transmitting end equipment, receiving device and wireless charging method |
| TWI780957B (en) * | 2021-09-06 | 2022-10-11 | 立錡科技股份有限公司 | Wireless charging system and operating method thereof |
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