CN103956803B - A kind of wireless charging circuit of efficient electric automobile - Google Patents
A kind of wireless charging circuit of efficient electric automobile Download PDFInfo
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- CN103956803B CN103956803B CN201410151613.5A CN201410151613A CN103956803B CN 103956803 B CN103956803 B CN 103956803B CN 201410151613 A CN201410151613 A CN 201410151613A CN 103956803 B CN103956803 B CN 103956803B
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Abstract
The invention discloses a kind of wireless charging circuit of efficient electric automobile, including the vehicle-mounted circuit of electric automobile and underground circuit, wherein underground circuit includes the first diode full bridge rectifier, high-frequency inverter circuit, the first resonance circuit of first side, the second resonance circuit of first side, AD conversion module circuit, DSP control circuits and PWM drive modules；First diode full bridge rectifier, high-frequency inverter circuit, the first resonance circuit of first side are sequentially connected with, AD conversion module circuit and PWM drive modules are connected with DSP control circuits, and the first resonance circuit of first side includes the first side of the electron capacitance circuit being connected in series and the first coupling inductance；The vehicle-mounted circuit of electric automobile includes the first resonance circuit of secondary side, the second resonance circuit of secondary side, the second diode full bridge rectifier and on-vehicle battery.The invention may be used on charging electric vehicle field, improve wireless charging device, improve existing charge efficiency.
Description
Technical field
The present invention relates to wireless charging circuit technical field, and in particular to a kind of wireless charging electricity of efficient electric automobile
Road.
Background technology
So-called wireless charging, i.e., in the case of no cable, coupled by electromagnetic field or other materials, realized electricity
Can be wirelessly transferred, wirelessly transmitting electrical energy includes：Coupling inductance formula, electromagnetic resonance and optical coupling these three common wireless chargings
Electrically, wherein electromagnetic resonance can reach the high efficiency of comparison, be widely applied to the every field of wireless charging industry.
, in the raising of charge efficiency, an emphasis direction of always domestic brainstrust research is above-mentioned for electromagnetic resonance
Invention compensate for some shortcomings of this kind of method to a certain extent, improve the efficiency of wireless charging.
The content of the invention
It is an object of the invention to overcome the shortcomings of that prior art is present, there is provided a kind of wireless charging of efficient electric automobile
Circuit, is charged to Vehicular accumulator cell or vehicle-mounted capacitor batteries.
The present invention is achieved through the following technical solutions.
A kind of wireless charging circuit of efficient electric automobile, which includes：The vehicle-mounted circuit of electric automobile and underground circuit.Ground
Lower circuit includes that the first diode full bridge rectifier, high-frequency inverter circuit, the first resonance circuit of first side, first side second are humorous
Shake circuit, AD conversion module circuit, DSP control circuits and PWM drive modules；First diode full bridge rectifier, high frequency are inverse
Become circuit, the first resonance circuit of first side to be sequentially connected with, AD conversion module circuit and PWM drive modules with DSP control circuits
Connection, the first resonance circuit of first side include the first side of the electron capacitance circuit being connected in series and the first coupling inductance；It is electronic
Automobile mounted circuit includes the first resonance circuit of secondary side, the second resonance circuit of secondary side, the second diode full bridge rectifier
And on-vehicle battery, second resonance circuit of first side is of coupled connections with the second resonance circuit of secondary side, the first resonance of secondary side
Circuit is sequentially connected with the second diode full bridge rectifier, on-vehicle battery.
Further, the first diode rectifier circuit includes the first diode, the second diode, the 3rd diode and the 4th
Diode；First diode rectifier circuit carries out rectification to civil power, exports through the first electric capacity, and the voltage at the first electric capacity two ends is
Voltage between terminal AB, terminal AB are connected with AD conversion module circuit.
Further, high-frequency inverter circuit includes an IGBT switching tubes, the 2nd IGBT switching tubes, the 3rd IGBT switching tubes
With the 4th IGBT switching tubes；The colelctor electrode of the first IGBT switching tubes, the colelctor electrode of the 2nd IGBT switching tubes and the first electric capacity are just
End be connected, the emitter stage of an IGBT switching tubes is connected with the colelctor electrode of the 3rd IGBT switching tubes, the 2nd IGBT switching tubes
Emitter-base bandgap grading is connected with the colelctor electrode of the 4th IGBT switching tubes, the emitter stage of the 3rd IGBT switching tubes, the transmitting of the 4th IGBT switching tubes
Pole is connected with the negative pole of the first electric capacity；High-frequency inverter circuit carries out inversion to voltage between terminal AB, produces high-frequency alternating current.
Further, electron capacitance circuit includes the 5th IGBT switching tubes, the 6th IGBT switching tubes, the 7th IGBT switches
Pipe, the 8th IGBT switching tubes, the 5th diode, the 6th diode, the 7th diode, the 8th diode and the second electric capacity；PWM drives
Dynamic model block includes eight-path PWM drive circuit, wherein the 5th IGBT switching tubes, the 6th IGBT switching tubes, the 7th IGBT switching tubes and
The gate of the 8th IGBT switching tubes is extremely connected to PWM drive circuit all the way, and the waveform of this four tunnels PWM drive circuit is identical two-by-two,
The PWM waveform accessed by the gate pole of the 5th IGBT switching tubes and the 8th IGBT switching tubes is identical, the 6th IGBT switching tubes and the
The PWM waveform accessed by the gate pole of seven IGBT switching tubes is identical；The colelctor electrode of the 5th IGBT switching tubes, the 6th IGBT switching tubes
Colelctor electrode and the second electric capacity anode connection；The colelctor electrode pole of the emitter stage and the 7th IGBT switching tubes of the 5th IGBT switching tubes
Connect；The negative terminal connection of the emitter stage, the emitter stage of the 8th IGBT switching tubes and the second electric capacity of the 7th IGBT switching tubes；8th IGBT
The emitter stage connection of the colelctor electrode of switching tube and the 6th IGBT switching tubes；5th diode, the 6th diode, the 7th diode and
The equal inverse parallel of 8th diode is opened in the 5th IGBT switching tubes, the 6th IGBT switching tubes, the 7th IGBT switching tubes and the 8th IGBT
Close the two ends of pipe；Single line is drawn respectively as electricity from the emitter stage of the emitter stage and the 6th IGBT switching tubes of the 5th IGBT switching tubes
The two ends of sub- condenser network.
Further, an end of the first resonance circuit of first side is connected on the emitter stage of the first IGBT switching tubes, first side
Another emitter stage for terminating at the 2nd IGBT switching tubes of one resonance circuit；The excessively positive and negative alternating of first effluent of the first coupling inductance
High frequency alternating current, energy is sent to into first resonance circuit of secondary side of the vehicle-mounted circuit of electric automobile；The second resonance of first side
Circuit includes the first side of the second coupling inductance being connected in series and the 5th electric capacity, and the voltage at the 5th electric capacity two ends is between terminal CD
Voltage, for monitoring the size of the voltage on on-vehicle battery, realize closed-loop control；Terminal CD is connected with AD conversion module circuit
Connect.
Further, two summation electricity that AD conversion module circuit is made up of the higher operational amplifier of a precision
Road, by between terminal AB between voltage and terminal CD voltage conversion to 0-3.3V, for the sampling of DSP control circuits.
Further, DSP control circuits are made up of TMS320F2812 chips and peripheral circuit, AD conversion module electricity
The voltage of road output sampling come the PWM waveform for producing eight tunnels without driving through DSP control circuits, eight tunnels are without driving
PWM waveform is sent to the gate pole of specified IGBT switching tubes after the eight-path PWM drive circuit of PWM drive modules, respectively, that is, divide
Not Qu Dong an IGBT switching tubes to the 8th IGBT switching tubes, control the break-make of each IGBT switching tubes.
Further, DSP control circuits are between the terminal AB Jing after AD conversion module circuit conversion between voltage and terminal CD
After voltage carries out certain ratiometric conversion, the numerical value for obtaining is producing the PWM waveform of eight tunnel different duties.
Further, vehicle-mounted the first resonance circuit of circuit secondary side of electric automobile includes the two of the first coupling inductance connected
Secondary side and the 3rd electric capacity；Second resonance circuit of secondary side of the vehicle-mounted circuit of electric automobile includes the two of the second coupling inductance connected
Secondary side and the 4th electric capacity, for the charging voltage size of real-time monitoring on-vehicle battery.
Further, the second diode full bridge rectifier includes the 9th diode, the tenth diode, the 11st diode
With the 12nd diode；Second diode full bridge rectifier carries out rectification to the voltage of the first resonance circuit secondary side, output
Through the 4th electric capacity, the voltage for obtaining is powered to on-vehicle battery.
Compared with prior art, the invention has the advantages that and technique effect：
The present invention, can for one by electron capacitance circuit equivalent based on electromagentic resonance and the principle of equal effects of electron capacitance circuit
The electric capacity of change, according to different vehicle conditions, changes the resonant frequency of circuit in real time, improves charge efficiency.The circuit is not only saved
Financial cost, and charge efficiency is improve, electric energy is saved, with good market prospects and economic benefit.
Description of the drawings
Fig. 1 is the underground circuit theory diagrams of wireless charging system.
Fig. 2 is the vehicle electronic circuit schematic diagram of wireless charging system.
Fig. 3 is the system connection figure of wireless charging.
Fig. 4 is the wireless charging circuit schematic diagram based on conventional capacitive.
Fig. 5 is the comparison of the wireless charging effect based on conventional capacitive and electron capacitance circuit.
Specific embodiment
The specific embodiment of the present invention is elaborated with example below in conjunction with the accompanying drawings.
As shown in figure 3, a kind of efficient electric automobile wireless charging circuit, including the vehicle-mounted circuit of electric automobile and underground electricity
Road, wherein underground circuit include the first diode full bridge rectifier, high-frequency inverter circuit, the first resonance circuit of first side, just
The second resonance circuit of secondary side, AD conversion module circuit, DSP control circuits and PWM drive modules；First diode full-bridge rectification electricity
Road, high-frequency inverter circuit, the first resonance circuit of first side are sequentially connected with, and AD conversion module circuit and PWM drive modules are and DSP
Control circuit connects, and the first resonance circuit of first side includes the first of the electron capacitance circuit being connected in series and the first coupling inductance
Side L1P；The vehicle-mounted circuit of electric automobile includes that the first resonance circuit of secondary side, the second resonance circuit of secondary side, the second diode are complete
Bridge rectification circuit and on-vehicle battery, second resonance circuit of first side are of coupled connections with the second resonance circuit of secondary side, secondary
The first resonance circuit of side is sequentially connected with the second diode full bridge rectifier, on-vehicle battery.First the first resonance circuit of side and
The first resonance circuit of secondary side is used for the transmission of energy, realizes wireless charging；The second resonance circuit of first side includes the 5th electric capacity
The first side L2P of C5 and the second coupling inductance；First the second resonance circuit of side and the second resonance circuit of secondary side are used for vehicle mounted electric
The feedback of pond both end voltage, the on-vehicle battery electric power thus supplied of real-time monitoring electric automobile, so that DSP control circuits are made accordingly
Adjust.
In Fig. 3, the first diode rectifier circuit includes the first diode VD1, the second diode VD2, the 3rd diode VD3
With the 4th diode VD4；First diode rectifier circuit carries out rectification to civil power, exports through the first electric capacity C1, the first electric capacity
The voltage at C1 two ends is voltage between terminal AB, and terminal AB is connected with AD conversion module circuit.
High-frequency inverter circuit includes an IGBT switching tube VT1, the 2nd IGBT switching tube VT2, the 3rd IGBT switching tube VT3
With the 4th IGBT switching tube VT4；The colelctor electrode of the first IGBT switching tubes, the colelctor electrode of the 2nd IGBT switching tubes and the first electric capacity
Anode is connected, and the emitter stage of an IGBT switching tubes is connected with the colelctor electrode of the 3rd IGBT switching tubes, the 2nd IGBT switching tubes
Emitter stage is connected with the colelctor electrode of the 4th IGBT switching tubes, and the emitter stage of the 3rd IGBT switching tubes, the 4th IGBT switching tubes are sent out
Emitter-base bandgap grading is connected with the negative pole of the first electric capacity；High-frequency inverter circuit carries out inversion to voltage between terminal AB, produces high-frequency alternating current.
Electron capacitance circuit includes the 5th IGBT switching tube VT5, the 6th IGBT switching tube VT6, the 7th IGBT switching tubes
VT7, the 8th IGBT switching tube VT8, the 5th diode VD5, the 6th diode VD6, the 7th diode VD7, the 8th diode VD8
With the second electric capacity C2；PWM drive modules include eight-path PWM drive circuit, wherein the 5th IGBT switching tubes, the 6th IGBT switch
The gate of pipe, the 7th IGBT switching tubes and the 8th IGBT switching tubes is extremely connected to PWM drive circuit all the way, and this four road PWM drives
The waveform of circuit is identical two-by-two, and the PWM waveform accessed by the gate pole of the 5th IGBT switching tubes and the 8th IGBT switching tubes is identical,
The PWM waveform accessed by the gate pole of the 6th IGBT switching tubes and the 7th IGBT switching tubes is identical；The collection of the 5th IGBT switching tubes
The anode connection of electrode, the colelctor electrode of the 6th IGBT switching tubes and the second electric capacity；The emitter stage and the 7th of the 5th IGBT switching tubes
The colelctor electrode pole of IGBT switching tubes connects；The emitter stage of the 7th IGBT switching tubes, the emitter stage of the 8th IGBT switching tubes and second are electric
The negative terminal connection of appearance；The emitter stage connection of the colelctor electrode and the 6th IGBT switching tubes of the 8th IGBT switching tubes；5th diode,
Six diodes, the 7th diode and the equal inverse parallel of the 8th diode the 5th IGBT switching tubes, the 6th IGBT switching tubes, the 7th
The two ends of IGBT switching tubes and the 8th IGBT switching tubes；Sending out from the emitter stage and the 6th IGBT switching tubes of the 5th IGBT switching tubes
Emitter-base bandgap grading respectively draws single line as the two ends of electron capacitance circuit.
Such as Fig. 1, civil power AC include the first diode through the first diode rectifier circuit, the first diode rectifier circuit
After VD1, the second diode VD2, the 3rd diode VD3 and the 4th diode VD4, and the first electric capacity C1 voltage stabilizings, terminal AB is obtained
Between voltage（The voltage at the first electric capacity two ends）.Voltage between terminal AB is again through high-frequency inverter circuit, high-frequency inverter circuit bag
An IGBT switching tube VT1, the 2nd IGBT switching tube VT2, the 3rd IGBT switching tubes VT3 and the 4th IGBT switching tube VT4 are included, on
State four switching tubes to be controlled by PWM1 ~ PWM4, obtain the alternating current of high frequency.The alternating current of high frequency is through the first resonance of first side electricity
Road, the first resonance circuit of first side include the first side L1S of the electron capacitance circuit being connected in series and the first coupling inductance.Wherein
Electron capacitance circuit include the 5th IGBT switching tube VT5, the 6th IGBT switching tube VT6, the 7th IGBT switching tube VT7, the 8th
IGBT switching tube VT8, the 5th diode VD5, the 6th diode VD6, the 7th diode VD7, the 8th diode VD8 and second are electric
Hold C2, aforementioned four switching tube is controlled by PWM5 ~ PWM8；Based on electromagnetic induction principle, electric energy is from the first resonance circuit of first side
It is transferred to the first resonance circuit of secondary side；The second resonance circuit of first side is used for the voltage at Real-time Feedback on-vehicle battery two ends, real
Existing closed-loop control.
Such as the first resonance of secondary side that Fig. 2, electric automobile are consisted of the first coupling inductance secondary side L1S and the 3rd electric capacity
Circuit receives the electric energy that underground circuit transmission is returned, after the second diode full bridge rectifier and the 4th electric capacity C4, to car
Carry battery power, wherein the second diode full bridge rectifier include the 9th diode VD1, the tenth diode VD2, the 11st
Pole pipe VD3 and the 12nd diode VD4；On the other hand, the second resonance circuit of secondary side includes the couplings of the 4th electric capacity C4 and second
The secondary side L2S of inductance, for the voltage Real-time Feedback at on-vehicle battery two ends.
Fig. 4 is the wireless charging circuit schematic diagram based on conventional capacitive.Electron capacitance circuit in Fig. 3 is substituted for into one
6th electric capacity C6 of typical values size, can equally realize the effect of wireless charging, but the 6th now selected electric capacity C6, its
In value in the suitable neighborhood of the capacitance one of electric capacity needed for resonance, just should there can be the energy transmission of greater efficiency.
Fig. 5 is the comparison of the wireless charging effect based on conventional capacitive and electron capacitance circuit.Setting high-frequency inverter circuit
Output alternating current frequency be 100KHz, take the appearance of the second electric capacity C2 in the wireless charging circuit based on electron capacitance circuit
It is worth for 1uF, the capacitance for equally taking the 6th electric capacity C6 in the wireless charging circuit based on conventional capacitive circuit is 1uF, vehicle-mounted
The value of the 3rd electric capacity in circuit from 0.1uF to 10uF, learn, the wireless charging based on electron capacitance circuit by charge efficiency contrast
Circuit can remain an of a relatively high charge efficiency, more in vehicle electronic circuit in the case of the 3rd capacitance variation
The design of suitable wireless charging circuit.
Claims (9)
1. a kind of wireless charging circuit of efficient electric automobile, it is characterised in that the wireless charging circuit of the electric automobile includes
The vehicle-mounted circuit of electric automobile and underground circuit, wherein underground circuit include the first diode full bridge rectifier, high-frequency inversion electricity
Road, the first resonance circuit of first side, the second resonance circuit of first side, AD conversion module circuit, DSP control circuits and PWM drive
Module；First diode full bridge rectifier, high-frequency inverter circuit, the first resonance circuit of first side are sequentially connected with, AD conversion mould
Block circuit and PWM drive modules are connected with DSP control circuits, and the first resonance circuit of first side includes the electronics electricity being connected in series
The first side (L1P) of capacitive circuit and the first coupling inductance；The vehicle-mounted circuit of electric automobile includes the first resonance circuit of secondary side, secondary
The second resonance circuit of side, the second diode full bridge rectifier and on-vehicle battery, second resonance circuit of first side with it is secondary
The second resonance circuit of side is of coupled connections, the first resonance circuit of secondary side and the second diode full bridge rectifier, on-vehicle battery according to
Secondary connection；
The electron capacitance circuit includes the 5th IGBT switching tubes（VT5）, the 6th IGBT switching tubes（VT6）, the 7th IGBT switch
Pipe（VT7）, the 8th IGBT switching tubes（VT8）, the 5th diode（VD5）, the 6th diode（VD6）, the 7th diode（VD7）、
8th diode（VD8）With the second electric capacity（C2）；PWM drive modules include eight-path PWM drive circuit, wherein the 5th IGBT switches
The gate of pipe, the 6th IGBT switching tubes, the 7th IGBT switching tubes and the 8th IGBT switching tubes is extremely connected to PWM all the way and drives electricity
Road, the waveform of this four tunnels PWM drive circuit are identical two-by-two, and the gate pole of the 5th IGBT switching tubes and the 8th IGBT switching tubes is connect
The PWM waveform for entering is identical, and the PWM waveform accessed by the gate pole of the 6th IGBT switching tubes and the 7th IGBT switching tubes is identical；The
The anode connection of the colelctor electrode, the colelctor electrode of the 6th IGBT switching tubes and the second electric capacity of five IGBT switching tubes；5th IGBT is switched
The colelctor electrode pole of the emitter stage of pipe and the 7th IGBT switching tubes connects；The emitter stage of the 7th IGBT switching tubes, the 8th IGBT switching tubes
Emitter stage and the second electric capacity negative terminal connection；The emitter stage of the colelctor electrode and the 6th IGBT switching tubes of the 8th IGBT switching tubes connects
Connect；5th diode, the 6th diode, the 7th diode and the equal inverse parallel of the 8th diode the 5th IGBT switching tubes, the 6th
The two ends of IGBT switching tubes, the 7th IGBT switching tubes and the 8th IGBT switching tubes；From the emitter stage and of the 5th IGBT switching tubes
The emitter stage of six IGBT switching tubes respectively draws single line as the two ends of electron capacitance circuit.
2. a kind of wireless charging circuit of efficient electric automobile according to claim 1, it is characterised in that the one or two pole
Tube rectifying circuit includes the first diode（VD1）, the second diode（VD2）, the 3rd diode（VD3）With the 4th diode
（VD4）；First diode rectifier circuit carries out rectification to civil power, exports through the first electric capacity（C1）, the first electric capacity（C1）Two ends
Voltage be voltage between terminal AB, terminal AB is connected with AD conversion module circuit.
3. a kind of wireless charging circuit of efficient electric automobile according to claim 2, it is characterised in that high-frequency inversion
Circuit includes an IGBT switching tubes（VT1）, the 2nd IGBT switching tubes（VT2）, the 3rd IGBT switching tubes（VT3）With the 4th IGBT
Switching tube（VT4）；The anode phase of the colelctor electrode of the first IGBT switching tubes, the colelctor electrode of the 2nd IGBT switching tubes and the first electric capacity
Even, the emitter stage of an IGBT switching tubes is connected with the colelctor electrode of the 3rd IGBT switching tubes, the emitter stage of the 2nd IGBT switching tubes
Be connected with the colelctor electrode of the 4th IGBT switching tubes, the emitter stage of the 3rd IGBT switching tubes, the emitter stage of the 4th IGBT switching tubes with
The negative pole of the first electric capacity is connected；High-frequency inverter circuit carries out inversion to voltage between terminal AB, produces high-frequency alternating current.
4. a kind of wireless charging circuit of efficient electric automobile according to claim 1, it is characterised in that first side the
One end of one resonance circuit is connected on the emitter stage of the first IGBT switching tubes, and the another of the first resonance circuit of first side terminates at second
The emitter stage of IGBT switching tubes；Positive and negative alternate high frequency alternating current is flow through in the first side (L1P) of the first coupling inductance, by energy
It is sent to first resonance circuit of secondary side of the vehicle-mounted circuit of electric automobile；The second resonance circuit of first side includes second for being connected in series
The first side (L2P) of coupling inductance and the 5th electric capacity, the voltage at the 5th electric capacity two ends are the voltage between terminal CD, for monitoring car
The size of the voltage on battery is carried, closed-loop control is realized；Terminal CD is connected with AD conversion module circuit.
5. a kind of wireless charging circuit of efficient electric automobile according to claim 1, it is characterised in that AD conversion mould
Two summing circuits that block circuit is made up of operational amplifier, by between terminal AB between voltage and terminal CD voltage conversion to 0-
3.3V, for the sampling of DSP control circuits.
6. the wireless charging circuit of a kind of efficient electric automobile according to claim 1, it is characterised in that DSP is controlled
Circuit is made up of TMS320F2812 chips and peripheral circuit, and the voltage of AD conversion module circuit output is through DSP control electricity
Producing eight tunnels without the PWM waveform for driving, eight tunnels are without the PWM waveform for driving through the eight of PWM drive modules for the sampling on road
After the PWM drive circuit of road, the gate pole of specified IGBT switching tubes is sent to respectively, i.e., drive an IGBT switching tubes respectively to the 8th
IGBT switching tubes, control the break-make of each IGBT switching tubes.
7. the wireless charging circuit of a kind of efficient electric automobile according to claim 1, it is characterised in that DSP is controlled
Circuit is obtained between the terminal AB Jing after AD conversion module circuit conversion, between voltage and terminal CD, voltage is carried out after ratiometric conversion
Numerical value is producing the PWM waveform of eight tunnel different duties.
8. a kind of wireless charging circuit of efficient electric automobile according to claim 1, it is characterised in that electric automobile
The first resonance circuit of vehicle electronic circuit secondary side includes the secondary side (L1S) and the 3rd electric capacity of the first coupling inductance connected（C3）；
Second resonance circuit of secondary side of the vehicle-mounted circuit of electric automobile includes the secondary side (L2S) and the 4th of the second coupling inductance connected
Electric capacity（C4）, for the charging voltage size of real-time monitoring on-vehicle battery.
9. a kind of wireless charging circuit of efficient electric automobile according to claim 1, it is characterised in that the two or two pole
Pipe full bridge rectifier includes the 9th diode（VD1）, the tenth diode（VD2）, the 11st diode（VD3）With the 12nd
Pole pipe（VD4）；Second diode full bridge rectifier carries out rectification to the voltage of the first resonance circuit secondary side, exports through the
Four electric capacity（C4）, the voltage for obtaining powers to on-vehicle battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410151613.5A CN103956803B (en) | 2014-04-15 | 2014-04-15 | A kind of wireless charging circuit of efficient electric automobile |
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| CN201410151613.5A CN103956803B (en) | 2014-04-15 | 2014-04-15 | A kind of wireless charging circuit of efficient electric automobile |
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| CN103956803B true CN103956803B (en) | 2017-04-05 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135345A1 (en) * | 2014-03-14 | 2015-09-17 | 华南理工大学 | Wireless charging circuit of electric vehicle |
| CN104201730A (en) * | 2014-08-12 | 2014-12-10 | 华南理工大学 | Wireless charging circuit of electric vehicle |
| CN104218641A (en) * | 2014-08-30 | 2014-12-17 | 深圳市金铂乐电子科技有限公司 | Wireless electromobile charging station |
| CN104333067A (en) * | 2014-10-31 | 2015-02-04 | 华南理工大学 | Wireless charging circuit |
| CN104578345B (en) * | 2015-01-23 | 2017-02-22 | 山东大学 | Electromagnetic resonance type wireless charging device and control method based on CLL resonant transformation |
| CN108189680B (en) * | 2017-11-22 | 2020-01-07 | 珠海格力电器股份有限公司 | Charging control system and method for electric automobile and electric automobile |
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| US8159364B2 (en) * | 2007-06-14 | 2012-04-17 | Omnilectric, Inc. | Wireless power transmission system |
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| CN102422507A (en) * | 2009-05-14 | 2012-04-18 | 日产自动车株式会社 | Contactless electricity-supplying device |
| CN103534956A (en) * | 2011-04-19 | 2014-01-22 | 高通股份有限公司 | Wireless power transmitter tuning |
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