CN208539639U - A kind of mobile phone wireless charger system based on electromagnetic induction - Google Patents
A kind of mobile phone wireless charger system based on electromagnetic induction Download PDFInfo
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Abstract
The utility model is suitable for wireless charger field, provide a kind of mobile phone wireless charger system based on electromagnetic induction, the mobile phone wireless charging system is included connection AC power source and converts alternating current to direct current in the transmitting end module for being sent direct current in a manner of magnetic field, the reception end module for receiving the direct current that the transmitting end module is sent by way of magnetic field and converting direct-current power into alternating-current power supply mobile phone charging solves the technical problem for being all made of wired charging inconvenience for mobile phone charging at present.
Description
Technical field
The utility model belongs to wireless charger field more particularly to a kind of mobile phone wireless charger based on electromagnetic induction
System.
Background technique
With the progress of electronics technology, in today's society in 2018, the electronic product of varied different function form
Daily life or even the certain electronic equipments for being flooded with us have already taken up the critical role that can not replace in our lives.
After digital Age, all electronic products all develop towards the direction of functionalization, efficient activity, high speed, are counting
Calculation ability, the tremendous increase of graphics capability consume the power-supply battery of electronic product and have reached unprecedented height,
The battery durable ability of especially handheld device is faced with huge challenge.Battery also seems much to can not meet the daily of people
It uses.Even major electronics technology manufacture commercial city continuously attempts to develop to the direction of low energy consumption, environmental protection, green, but energy consumption
Size be the working efficiency for relying on processor, in today that processor is become stronger day by day, energy consumption is reduced by processor
Some contradictions rather.The frequent charge of battery hinders mankind's activity, allow it was recognized that charging modes innovation importance, because
This, the concept of wireless charging is come into being in electronic device industry.
In recent years, the scientific & technical corporation such as Samsung, apple, Funxim, Cafele, Fantasy, POLMS had launched applicable
In the mobile phone wireless charger of various brands, still, since the mobile phone model of subsidiary wireless charging function is few, mobile phone wireless fills
Electric appliance never becomes a kind of hot-sale products.But with the development of mobile phone products, novel mobile phone is constantly developed, function
It constantly improve, this industry of wireless charging must be able to enter the visual field of users some day.
Summary of the invention
The purpose of this utility model is to provide a kind of mobile phone wireless charger system based on electromagnetic induction, it is intended to solve
The technical problem of wired charging inconvenience is all made of for mobile phone charging at present.
The utility model is realized in this way a kind of mobile phone wireless charger system based on electromagnetic induction, the mobile phone
Wireless charging system includes connecting AC power source and converting alternating current to direct current sending out direct current in a manner of magnetic field
The transmitting end module seen off is received the direct current that the transmitting end module is sent by way of magnetic field and converts direct current
At the reception end module that alternating current supply mobile phone charges, the transmitting end module includes that exchange is electrically accessed circuit, connects institute
The current rectifying and wave filtering circuit that exchange is electrically accessed circuit is stated, the high-frequency inverter circuit and driving circuit of the current rectifying and wave filtering circuit are connected,
The power amplification circuit for connecting the high-frequency inverter circuit connects the transmitting coil of the power amplification circuit, the driving electricity
Road is connect with the high-frequency inverter circuit.
The further technical solution of the utility model is: the reception end module includes receiving coil, connects the reception
The rectification transformating circuit of coil connects the load battery DC of the rectification transformating circuit.
The further technical solution of the utility model is: the transmitting end module includes control chip U1, resistance R1, resistance
R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, capacitor C1, capacitor C2, capacitor C3, have electrode capacitance C4, capacitor C5,
Capacitor C6, there are electrode capacitance C7, capacitor C8, zener diode D1, diode D2, Light-emitting diode LED 1, triode Q1, triode
Q2, field-effect tube Q3 and transmitting coil L1, one end of the resistance R7 be separately connected the capacitor C8 one end, it is described have it is extremely electric
Hold the anode of C7, one end of the capacitor C6, one end of the resistance R4, one end of the resistance R5, the transmitting coil L1
One end and VCC, the other end of the resistance R7 connect the anode of the Light-emitting diode LED 1, the transmitting coil L1's is another
One end is separately connected the drain electrode of the other end of the capacitor C6, the cathode of the diode D2 and the field-effect tube Q3, described
The grid of field-effect tube Q3 connects one end of the resistance R6, the other end of the resistance R6 is separately connected the triode Q1's
The emitter of emitter and the triode Q2, the collector of the triode Q1 connects the other end of the resistance R5, described
The base stage of triode Q1 is separately connected one end of the base stage of the triode Q2, one end of the resistance R3 and the capacitor C5,
The other end of the resistance R3 is separately connected one end of the capacitor C5 and the OUT stitch of the control chip U1, the resistance
The other end of R4 be separately connected the cathode of the zener diode D1, the anode for having electrode capacitance C4, the capacitor C3 one
VCC stitch, the RST stitch at end, one end of the resistance R1 and the control chip U1, the DIS stitch of the control chip U1
It is separately connected the other end of the resistance R1 and one end of the resistance R2, the THR stitch of the control chip U1 is separately connected
The TRI stitch of the other end of the resistance R2, one end of the capacitor C1 and the control chip U1, the control chip U1's
CON stitch connects one end of the capacitor C2, the other end of the capacitor C1, the other end of the capacitor C2, the control core
The GND stitch of piece U1, the collector of the triode Q2, the source electrode of the field-effect tube Q3, the anode of the diode D2, institute
State the cathode of Light-emitting diode LED 1, the other end of the capacitor C8, the cathode for having electrode capacitance C7, the zener diode
The other end of the anode of D1, the cathode for having electrode capacitance C4 and the capacitor C3 is all connected with GND.
The further technical solution of the utility model is: the reception end module includes receiving coil L2, capacitor C9, capacitor
C10, capacitor C11, capacitor C12, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, light emitting diode
It is LED2, Light-emitting diode LED 3, triode Q4, triode Q5, bridge rectifier diode D5, zener diode D3, unidirectional controllable
Silicon D4 and pressure gauge XMM1, one end of the receiving coil L2 be separately connected one end of the capacitor C9, the capacitor C10 one
1 terminals of end and the bridge rectifier diode D5, the other end of the receiving coil L2 are separately connected the capacitor C9's
2 terminals of the other end, the other end of the capacitor C10 and the bridge rectifier diode D5, the bridge rectifier diode
3 terminals of D5 be separately connected the cathode of the zener diode D3, one end of the capacitor C11, the capacitor C12 one
End, one end of the resistance R8, one end of the resistance R9, the triode Q5 emitter and the Light-emitting diode LED 2
Anode, the other end of the resistance R8 is separately connected the cathode of the one-way SCR D4 and the base stage of the triode Q4,
The control electrode of the one-way SCR D4 is separately connected one end of the resistance R12 and one end of the resistance R13, the resistance
The other end of R12 is separately connected the positive and described pressure gauge XMM1 of the emitter of the triode Q4, the load battery DC
Anode, the collector of the triode Q4 is separately connected the other end of the resistance R9 and one end of the resistance R10, described
The other end of resistance R10 connects the base stage of the triode Q5, and the collector of the triode Q5 connects the light emitting diode
The cathode of LED3, the anode of the Light-emitting diode LED 3 be separately connected the resistance R11 one end and the light emitting diode
The cathode of LED2,4 terminals of the bridge rectifier diode D5, the other end of the resistance R11, the load battery DC
Cathode, the other end of the resistance R13, the anode of the one-way SCR D4, the cathode of the pressure gauge XMM1, the capacitor
The other end of the other end of C12, the other end of the capacitor C11 and the zener diode D3 is all connected with GND.
The further technical solution of the utility model is: the transmitting coil L1 is primary coupling coil.
The further technical solution of the utility model is: the receiving coil L2 is secondary coupling coil.
The beneficial effects of the utility model are: by using such mobile phone wireless charger system nothing can be carried out for mobile phone
Line charge electricity.
Detailed description of the invention
Fig. 1 is a kind of structure of mobile phone wireless charger system based on electromagnetic induction provided by the embodiment of the utility model
Block diagram；
Fig. 2 is a kind of transmitting of mobile phone wireless charger system based on electromagnetic induction provided by the embodiment of the utility model
The electrical schematic diagram of end module；
Fig. 3 is a kind of reception of mobile phone wireless charger system based on electromagnetic induction provided by the embodiment of the utility model
The electrical schematic diagram of end module.
Specific embodiment
Fig. 1-3 shows a kind of mobile phone wireless charger system based on electromagnetic induction provided by the utility model, described
Mobile phone wireless charging system include connection AC power source and convert alternating current to direct current by direct current with the side in magnetic field
The transmitting end module that formula is sent receives the direct current that the transmitting end module is sent and by direct current by way of magnetic field
It is converted into the reception end module that alternating current supply mobile phone charges, the transmitting end module includes that exchange is electrically accessed circuit, even
The current rectifying and wave filtering circuit for exchanging and being electrically accessed circuit is connect, the high-frequency inverter circuit and driving electricity of the current rectifying and wave filtering circuit are connected
Road connects the power amplification circuit of the high-frequency inverter circuit, connects the transmitting coil of the power amplification circuit, the driving
Circuit is connect with the high-frequency inverter circuit.
The reception end module includes receiving coil, connects the rectification transformating circuit of the receiving coil, is connected described whole
Flow the load battery DC of translation circuit.
An AC power source, alternating current shape after the current rectifying and wave filtering circuit by transmitting end module are provided to transmitting end module
At direct current, the direct current formed under the driving signal effect that driving circuit generates with upper level current rectifying and wave filtering circuit is made jointly
For can produce the friendship of high frequency under high-frequency inverter circuit, that is, driving signal and the collective effect of driving power switching tube
Signal is flowed, this AC signal will form powerful AC signal using power amplification circuit, then pass through transmitting coil handle
Energy is sent to the receiving coil for receiving end module by way of magnetic field, and receiving coil generates induced current, this induced electricity
Stream is alternating current, but is for load battery DC and charges that must be direct current, therefore this induced current is also needed by whole
Rheology changes circuit conversion into direct current, can be only achieved the effect to charge to load battery DC.
The transmitting end module includes control chip U1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance
R6, resistance R7, capacitor C1, capacitor C2, capacitor C3, there is electrode capacitance C4, capacitor C5, capacitor C6, have electrode capacitance C7, is capacitor C8, steady
Diode D1, diode D2, Light-emitting diode LED 1, triode Q1, triode Q2, field-effect tube Q3 and transmitting coil L1 are pressed,
One end of the resistance R7 be separately connected one end of the capacitor C8, the anode for having electrode capacitance C7, the capacitor C6 one
End, one end of the resistance R4, one end of the resistance R5, one end of the transmitting coil L1 and VCC, the resistance R7's is another
One end connects the anode of the Light-emitting diode LED 1, and the other end of the transmitting coil L1 is separately connected the another of the capacitor C6
The grid of the drain electrode of one end, the cathode of the diode D2 and the field-effect tube Q3, the field-effect tube Q3 connects the electricity
The other end of one end, the resistance R6 for hindering R6 is separately connected the transmitting of the emitter and the triode Q2 of the triode Q1
Pole, the collector of the triode Q1 connect the other end of the resistance R5, and the base stage of the triode Q1 is separately connected described
One end of the base stage of triode Q2, one end of the resistance R3 and the capacitor C5, the other end of the resistance R3 are separately connected
The OUT stitch of one end of the capacitor C5 and the control chip U1, the other end of the resistance R4 are separately connected the pressure stabilizing
The cathode of diode D1, the anode for having electrode capacitance C4, one end of the capacitor C3, one end of the resistance R1 and the control
VCC stitch, the RST stitch of coremaking piece U1, it is described control chip U1 DIS stitch be separately connected the resistance R1 the other end and
The THR stitch of one end of the resistance R2, the control chip U1 is separately connected the other end of the resistance R2, the capacitor C1
One end and the control chip U1 TRI stitch, the CON stitch of the control chip U1 connects one end of the capacitor C2,
The other end of the capacitor C1, the other end of the capacitor C2, the control GND stitch of chip U1, the triode Q2
Collector, the source electrode of the field-effect tube Q3, the anode of the diode D2, the Light-emitting diode LED 1 cathode, described
The other end of capacitor C8, the cathode for having electrode capacitance C7, the anode of the zener diode D1, the yin for having electrode capacitance C4
The other end of pole and the capacitor C3 are all connected with GND.
The chief component for emitting end module is drive signal generator and tuned power amplifier.Emit end module
Electrical schematic diagram can be seen that drive signal generator and be made of 555 chip portfolio circuits, and current domestic general household 220V is handed over
After galvanic electricity passes through AC adapter circuit, the power supply voltage signal source VCC of 555 chips of input is formed.When supply voltage VCC is to transmitting
Capacitor C3 when end module circuit is powered, electrode capacitance C4 and zener diode D1 together constitute the drive that can be equivalent to 5V
Dynamic voltage, can be used for drive signal generator, and capacitor C1 carries out charging operations since the 1/3 of driving voltage, in capacitor
While C1 charges, the output end meeting output high level voltage of generator, the capacitor in drive signal generator circuit are driven
When C1 reaches the 2/3 of supply voltage, capacitor C1 will start to carry out discharge operation, and at this time drive signal generator circuit is defeated
Outlet will export low level voltage, when voltage is put into 1/3 supply voltage by discharge operation by capacitor C1, capacitor C1
It can restart charging operations again, repeat above step, pulse width modulating signal will be generated, that is, driving signal occurs
Device circuit generates driving signal, in order to can also export sufficiently large high frequency power under power as small as possible promotion,
Output stage uses field-effect tube Q3(IRF460), field-effect tube Q3 is a kind of voltage-controlled device, does not consume excitation function in principle
Rate, but its interpolar input and interpolar output capacitance are very big at work, there is hundreds of pF, if it is directly connected to driving letter
The output end of number generator can form waveform raising and lowering and obtain time change because the output electric current of driving circuit is too small
It is long, thus cause its working efficiency to decline to a great extent, therefore also need to connect a pair of of complementation in the output end of drive signal generator
Triode Q1 and triode Q2, this pair of complementary triode Q1 and triode Q2 constitute emitter-base bandgap grading output, is formed minimum defeated
Resistance out can allow the square-wave waveform rise time and fall time of output substantially to reduce, and therefore, be added to this primary circuit
Afterwards, the working efficiency of circuit can be promoted very much, and high-frequency signal caused by drive signal generator passes through capacitor C5 and resistance again
After the power amplifier amplifying power for passing through power switch tube after the coupling circuit that R3 is composed again, this high-frequency signal is by sending out
The resonance circuit that ray circle L1 and capacitor C6 are composed is launched by transmitting coil L1, the hair in transmitting terminal modular circuit
The resonance circuit and IRF460 that ray circle L1 and capacitor C6 are composed constitute resonance power amplifier, in the circuit transmitting coil L1
The drain electrode of field-effect tube Q3 is connect, resistance R6 is connected to the grid of field-effect tube Q3.Field-effect tube Q3 occur by when electric current will not produce
Raw unexpected variation, with diode D2 afterflow, to prevent excessively high voltage breakdown field-effect tube Q3, when power supply is powered to circuit,
LED1 issues red bright, then it represents that transmitting end module is working properly.
Capacitor C8 and filter circuit formed by electrode capacitance C7, resistance R4 is a current-limiting resistance, and resistance R6 and resistance R5 are
A pair of of power resistor, capacitor C5 and resistance R3 common combination form coupling circuit, because to allow high-frequency signal to pass through,
Separate low frequency signal with this coupling circuit.
Transmitting terminal modular electrical schematic diagram, transmitting coil L1 and capacitor C6 form a resonant tank, then with field-effect tube
Q3(IRF460) form a tuned power amplifier, drive signal generator generate signal frequency with transmitting coil L1,
Capacitor C6 and field-effect tube Q3(IRF460) composition tuned power amplifier frequency it is closer or equal when, the electricity of alternation
Magnetic field is bigger or reaches maximum value, and generated magnetic flux also just reaches bigger or reaches maximum value, and in other words, being exactly can
To generate maximum induced current, the efficiency of energy transmission is higher, that is, the effect of wireless charging is better.
The reception end module includes receiving coil L2, capacitor C9, capacitor C10, capacitor C11, capacitor C12, resistance R8, electricity
Hinder R9, resistance R10, resistance R11, resistance R12, resistance R13, Light-emitting diode LED 2, Light-emitting diode LED 3, triode Q4,
Triode Q5, bridge rectifier diode D5, zener diode D3, one-way SCR D4 and pressure gauge XMM1, the receiving coil
What one end of L2 was separately connected one end of the capacitor C9, one end of the capacitor C10 and the bridge rectifier diode D5 1 connects
Line end, the other end of the receiving coil L2 are separately connected the other end of the capacitor C9, the other end of the capacitor C10 and institute
2 terminals of bridge rectifier diode D5 are stated, 3 terminals of the bridge rectifier diode D5 are separately connected two pole of pressure stabilizing
The cathode of pipe D3, one end of the capacitor C11, one end of the capacitor C12, one end of the resistance R8, the resistance R9
The other end of the anode of one end, the emitter of the triode Q5 and the Light-emitting diode LED 2, the resistance R8 connects respectively
It connects the cathode of the one-way SCR D4 and the base stage of the triode Q4, the control electrode of the one-way SCR D4 is separately connected
One end of the resistance R12 and one end of the resistance R13, the other end of the resistance R12 are separately connected the triode Q4
Emitter, it is described load battery DC positive and described pressure gauge XMM1 anode, the triode Q4 collector difference
The other end of the resistance R9 and one end of the resistance R10 are connected, the other end of the resistance R10 connects the triode Q5
Base stage, the collector of the triode Q5 connects the cathode of the Light-emitting diode LED 3, the Light-emitting diode LED 3
Anode is separately connected one end of the resistance R11 and the cathode of the Light-emitting diode LED 2, the bridge rectifier diode D5
4 terminals, the resistance R11 the other end, the load cathode of battery DC, the other end of the resistance R13, the list
To the anode of silicon-controlled D4, the cathode of the pressure gauge XMM1, the other end of the capacitor C12, the capacitor C11 the other end
And the other end of the zener diode D3 is all connected with GND.
Based on electromagnetic induction principle, transmitting coil L1 can transfer energy to reception line by continually changing magnetic flux
L2 is enclosed, so that high frequency ac signal is generated, the high-speed rectifier that this high frequency ac signal passes through bridge rectifier diode D5(FR107)
Afterwards, it is filtered using capacitor C11, capacitor C12, after zener diode D3 pressure stabilizing, the DC stabilization signal of 5V can be exported.
One-way SCR D4(TL431) reference voltage source design and triode Q4(8050) pressure-stabilizing constant flow that is composed fills
Circuit carries out charging operations to load battery DC, and LED2 conducting at this time, two terminal shortcircuit of LED3, LED2 generation is red bright,
Expression is being charged.
One-way SCR D4(TL431) reference voltage source design and triode Q4(8050) pressure-stabilizing constant flow that is composed fills
Circuit carries out charging operations to load battery DC, and when lithium battery is full of and voltage is more than certain limit, triode Q4, three
Pole pipe Q5 conducting, LED3 conducting at this time, two terminal shortcircuit of LED2, LED3 generate green light, indicate that charging is completed.
Resistance R8 serves as sample resistance in circuit, and resistance R12 and resistance R13 are divider resistance, resistance R12 and resistance
The effect of R13 is to adjust reference voltage by resistance value, and resistance R9 is current-limiting resistance, by adjusting the available charging institute of resistance R9
The electric current needed.
The transmitting coil L1 is primary coupling coil.The receiving coil L2 is secondary coupling coil.
By using such mobile phone wireless charger system wireless charging can be carried out for mobile phone.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of mobile phone wireless charger system based on electromagnetic induction, it is characterised in that: the mobile phone wireless charging system packet
It includes connection AC power source and converts alternating current to direct current in the transmitting terminal for sending direct current in a manner of magnetic field
Module is received the direct current that the transmitting end module is sent by way of magnetic field and converting direct-current power into alternating-current power is supplied hand
The reception end module that machine charges, the transmitting end module include that exchange is electrically accessed circuit, connect the exchange and are electrically accessed electricity
The current rectifying and wave filtering circuit on road connects the high-frequency inverter circuit and driving circuit of the current rectifying and wave filtering circuit, it is inverse to connect the high frequency
The power amplification circuit on power transformation road, connects the transmitting coil of the power amplification circuit, and the driving circuit and the high frequency are inverse
Become circuit connection.
2. mobile phone wireless charger system according to claim 1, which is characterized in that the reception end module includes receiving
Coil connects the rectification transformating circuit of the receiving coil, connects the load battery DC of the rectification transformating circuit.
3. mobile phone wireless charger system according to claim 1, which is characterized in that the transmitting end module includes control
Chip U1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, capacitor C1, capacitor C2, capacitor C3,
There is electrode capacitance C4, capacitor C5, capacitor C6, have electrode capacitance C7, capacitor C8, zener diode D1, diode D2, light emitting diode
LED1, triode Q1, triode Q2, field-effect tube Q3 and transmitting coil L1, one end of the resistance R7 are separately connected the electricity
Hold one end, the anode for having electrode capacitance C7, one end of the capacitor C6, one end of the resistance R4, the resistance R5 of C8
One end, the transmitting coil L1 one end and VCC, the other end of the resistance R7 connect the sun of the Light-emitting diode LED 1
Pole, the other end of the transmitting coil L1 are separately connected the other end of the capacitor C6, the cathode of the diode D2 and described
The drain electrode of field-effect tube Q3, the grid of the field-effect tube Q3 connect the other end of one end of the resistance R6, the resistance R6
It is separately connected the emitter of the triode Q1 and the emitter of the triode Q2, the collector of the triode Q1 connects institute
State the other end of resistance R5, the base stage of the triode Q1 be separately connected the base stage of the triode Q2, the resistance R3 one
End and the capacitor C5 one end, the other end of the resistance R3 be separately connected the capacitor C5 one end and the control chip
The OUT stitch of U1, the other end of the resistance R4 are separately connected the cathode of the zener diode D1, described have electrode capacitance C4's
Anode, one end of the capacitor C3, one end of the resistance R1 and VCC stitch, the RST stitch for controlling chip U1, it is described
The DIS stitch of control chip U1 is separately connected the other end of the resistance R1 and one end of the resistance R2, the control chip
The THR stitch of U1 is separately connected the TRI needle of the other end of the resistance R2, one end of the capacitor C1 and the control chip U1
The CON stitch of foot, the control chip U1 connects one end of the capacitor C2, the other end of the capacitor C1, the capacitor C2
The other end, it is described control chip U1 GND stitch, the collector of the triode Q2, the source electrode of the field-effect tube Q3, institute
State the anode of diode D2, the cathode of the Light-emitting diode LED 1, the capacitor C8 the other end, described have electrode capacitance C7's
Cathode, the anode of the zener diode D1, the cathode for having electrode capacitance C4 and the capacitor C3 the other end be all connected with
GND。
4. mobile phone wireless charger system according to claim 2, which is characterized in that the reception end module includes receiving
Coil L2, capacitor C9, capacitor C10, capacitor C11, capacitor C12, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12,
Resistance R13, Light-emitting diode LED 2, Light-emitting diode LED 3, triode Q4, triode Q5, bridge rectifier diode D5, pressure stabilizing
Diode D3, one-way SCR D4 and pressure gauge XMM1, one end of the receiving coil L2 are separately connected the one of the capacitor C9
1 terminals at end, one end of the capacitor C10 and the bridge rectifier diode D5, the other end point of the receiving coil L2
2 terminals of the other end of the capacitor C9, the other end of the capacitor C10 and the bridge rectifier diode D5 are not connected,
3 terminals of the bridge rectifier diode D5 be separately connected the cathode of the zener diode D3, the capacitor C11 one
End, one end of the capacitor C12, one end of the resistance R8, one end of the resistance R9, the triode Q5 emitter and
The anode of the Light-emitting diode LED 2, the other end of the resistance R8 are separately connected cathode and the institute of the one-way SCR D4
State the base stage of triode Q4, the control electrode of the one-way SCR D4 be separately connected the resistance R12 one end and the resistance
One end of R13, the other end of the resistance R12 are being separately connected the emitter of the triode Q4, the load battery DC just
The anode of pole and the pressure gauge XMM1, the collector of the triode Q4 are separately connected the other end of the resistance R9 and described
One end of resistance R10, the other end of the resistance R10 connect the base stage of the triode Q5, the collector of the triode Q5
The cathode of the Light-emitting diode LED 3 is connected, the anode of the Light-emitting diode LED 3 is separately connected the one of the resistance R11
End and the Light-emitting diode LED 2 cathode, 4 terminals of the bridge rectifier diode D5, the resistance R11 it is another
End, cathode, the other end of the resistance R13, the anode of the one-way SCR D4, the pressure gauge for loading battery DC
The cathode of XMM1, the other end of the capacitor C12, the other end of the capacitor C11 and the zener diode D3 the other end
It is all connected with GND.
5. mobile phone wireless charger system according to claim 3, which is characterized in that the transmitting coil L1 is primary coupling
Zygonema circle.
6. mobile phone wireless charger system according to claim 4, which is characterized in that the receiving coil L2 is secondary coupling
Zygonema circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892373.8U CN208539639U (en) | 2018-06-08 | 2018-06-08 | A kind of mobile phone wireless charger system based on electromagnetic induction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892373.8U CN208539639U (en) | 2018-06-08 | 2018-06-08 | A kind of mobile phone wireless charger system based on electromagnetic induction |
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| CN208539639U true CN208539639U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415466A (en) * | 2020-03-30 | 2020-07-14 | 潘小胜 | Sharing mobile phone wireless charging design method |
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2018
- 2018-06-08 CN CN201820892373.8U patent/CN208539639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415466A (en) * | 2020-03-30 | 2020-07-14 | 潘小胜 | Sharing mobile phone wireless charging design method |
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