CN206561781U - A kind of electric automobile wireless charging circuit - Google Patents
A kind of electric automobile wireless charging circuit Download PDFInfo
- Publication number
- CN206561781U CN206561781U CN201720150611.3U CN201720150611U CN206561781U CN 206561781 U CN206561781 U CN 206561781U CN 201720150611 U CN201720150611 U CN 201720150611U CN 206561781 U CN206561781 U CN 206561781U
- Authority
- CN
- China
- Prior art keywords
- circuit
- switch mosfet
- mosfet pipe
- series resonant
- source electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model discloses a kind of electric automobile wireless charging circuit, include capital construction side part and vehicle-mounted side part, wherein, the subpackage of capital construction sidepiece contains the first current rectifying and wave filtering circuit, high-frequency inverter circuit and the first series resonant circuit being sequentially connected, and the first series resonant circuit includes the transmitting coil L being connected in series1With the first electron capacitance circuit；Vehicle-mounted sidepiece subpackage contains the second series resonant circuit, the second current rectifying and wave filtering circuit, the DC DC converters being sequentially connected, and the second series resonant circuit includes the receiving coil L being connected in series2With the second electron capacitance circuit.The utility model wireless charging circuit, is conducive to improving radio transmission efficiency.
Description
Technical field
The utility model is related to electric automobile field, more particularly to a kind of electric automobile wireless charging circuit.
Background technology
In recent years, increasing sharply with global video car ownership, the charging electric vehicle such as charging pile, charging station is set
Standby demand is also increasing, and the charging modes of current electric automobile are mainly wired charging modes, but the wired of routine fills
Electrically exist many not enough：Charging equipment lead is long；Floor space and space-consuming are big；It is artificial cumbersome, operated
Cheng Zhonghui brings excessive wear and the insecurity problem of equipment.Electric automobile wireless charging technology can be solved well
Problem is stated, so as to get the attention.
So-called wireless charging, i.e., in the case of no cable, coupled by the other materials of electromagnetism occasion, realize electricity
Can be wirelessly transferred.Electric automobile wireless charging scheme common at present mainly includes magnetic inductive wireless charging and magnetic resonance type
Wireless charging.Wherein, mutual inductance is larger between magnetic inductive wireless charging technology coil, short range transmission efficiency high, but whole system
It is very sensitive to the relative horizontal displacement of coil, be not suitable for remote wireless charging.Compared to magnetic inductive, magnetic resonance
The circuit topology that formula is wirelessly transferred has tuning network, can realize mutual sense compensation and frequency tuning, it is possible to achieve moderate distance
Electric energy is transmitted.
Therefore, magnetic resonance type wireless charging turns into the study hotspot of electric automobile wireless charging field in recent years.Meanwhile, magnetic
The resonant raising being wirelessly transferred in charge efficiency, is always a kind of emphasis direction that researchers are studied.
Utility model content
The purpose of this utility model be exactly in order to overcome the defect of Conventional wireline charging technique, propose a kind of electric automobile without
Line charging circuit, it is intended to improve the efficiency of transmission and control performance of wireless charging system for electric automobile.
The purpose of this utility model is realized by following technical scheme：
Filtered comprising the first rectification a kind of electric automobile wireless charging circuit, including capital construction side and vehicle-mounted side, the capital construction side
Wave circuit, high-frequency inverter circuit and the first series resonant circuit；Vehicle-mounted side includes the second series resonant circuit, the second rectifying and wave-filtering
Circuit and DC-DC converter；Wherein
The input of first current rectifying and wave filtering circuit is connected to power network, for line voltage to be rectified into DC voltage；
The input of the high-frequency inverter circuit is connected to the output end of first current rectifying and wave filtering circuit, for by described in
The DC voltage inversion of first current rectifying and wave filtering circuit output is high frequency voltage square wave；
The input of first series resonant circuit is connected to the output end of the high-frequency inverter circuit；
The output end of second series resonant circuit is connected to the input of second current rectifying and wave filtering circuit；
The input of second current rectifying and wave filtering circuit is connected to the output end of second series resonant circuit, for inciting somebody to action
The ac voltage rectifier of second series resonant circuit output is into DC voltage；
The input of the DC-DC converter is connected to second current rectifying and wave filtering circuit, for by second rectification
The VD of filter circuit is transformed into the rated voltage needed for vehicle mounted dynamic battery charging；
First series resonant circuit is symmetrical arranged with the second series resonant circuit, and the wireless of electric energy is realized by coupling
Transmission.
First series resonant circuit includes the transmitting coil L being sequentially connected in series1With the first electron capacitance circuit, connect
It is connected to the output end of high-frequency inverter circuit；Second series resonant circuit includes the receiving coil L being sequentially connected in series2With
Two electron capacitance circuits, are connected to the input of the second current rectifying and wave filtering circuit；The transmitting coil L1With the receiving coil L2It is logical
Cross HF magnetic resonance mode, electric energy is from transmitting coil L1It is delivered to receiving coil L2, the transmitting coil L1With receiving coil L2It is right
Claim to set, being wirelessly transferred for electric energy is realized by coupling.
The first electron capacitance circuit includes the first switch mosfet pipe, the second switch mosfet pipe, the 3rd MOSFET
Switching tube, the 4th switch mosfet pipe and the first DC capacitor C1；Wherein, the drain electrode of the first switch mosfet pipe and the first direct current
Electric capacity C1Positive pole be connected, the source electrode of the first switch mosfet pipe is connected with the drain electrode of the 3rd switch mosfet pipe；Second
The drain electrode of switch mosfet pipe and the first DC capacitor C1Positive pole be connected, the source electrode and the 4th of the second switch mosfet pipe
The drain electrode of switch mosfet pipe is connected；The source electrode of 3rd switch mosfet pipe and the first DC capacitor C1Negative pole be connected；4th
The source electrode of switch mosfet pipe and the first DC capacitor C1Negative pole be connected；The two ends of first electron capacitance circuit are respectively from first
The source electrode of the source electrode of switch mosfet pipe and the second switch mosfet pipe is drawn.
The second electron capacitance circuit includes the 5th switch mosfet pipe, the 6th switch mosfet pipe, the 7th MOSFET
Switching tube, the 8th switch mosfet pipe and the second DC capacitor C2；Wherein, the drain electrode of the 5th switch mosfet pipe and the second direct current
Electric capacity C2Positive pole be connected, the source electrode of the 5th switch mosfet pipe is connected with the drain electrode of the 7th switch mosfet pipe；6th
The drain electrode of switch mosfet pipe and the second DC capacitor C2Positive pole be connected, the source electrode and the 8th of the 6th switch mosfet pipe
The drain electrode of switch mosfet pipe is connected；The source electrode of 7th switch mosfet pipe and the second DC capacitor C2Negative pole be connected；8th
The source electrode of switch mosfet pipe and the second DC capacitor C2Negative pole be connected；The two ends of second electron capacitance circuit are respectively from the 5th
The source electrode of the source electrode of switch mosfet pipe and the 6th switch mosfet pipe is drawn.
A kind of control method of electric automobile wireless charging circuit, comprises the steps：
S1, the work angular frequency initial value ω that high-frequency inverter circuit is set0, the first electron capacitance circuit and are adjusted successively
Two electron capacitance circuits so that the first series resonant circuit and the second series resonant circuit are operated in magnetic resonance state, measure hair
Ray circle L1With receiving coil L2Between mutual inductance M；
S2, the output angular frequency for adjusting high-frequency inverter circuitWherein, R1、R2、ReqRespectively first series connection
Resonance circuit equivalent parasitic resistance, the second series resonant circuit equivalent parasitic resistance, vehicle-mounted side the second series resonant circuit rear class
Equiva lent impedance；
S3, adjust the first electron capacitance circuit and the second electron capacitance circuit successively so that the first series resonant circuit and
Second series resonant circuit is operated in magnetic resonance state.
In step S1 and S3, the adjusting method of the first electron capacitance circuit and the second electron capacitance circuit is using shifting
Phase angle control method, is concretely comprised the following steps：
For the first electron capacitance circuit：
(1) according to resonance angular frequencyObtain the equivalent electric of the first electron capacitance circuit of resonant operational point
Capacitance Ceq1；Wherein in step sl, ω=ω0；In step s3, ω=ω1；
(2) basisObtain control and close angle α1, wherein, C1For the first direct current
Hold；
(3) voltage-phase is measured by phaselocked loop, the first electron capacitance circuit, control is controlled using phase shifting angle control methods
Closing angle is；
For the second electron capacitance circuit：
(1) according to resonance angular frequencyObtain the equivalent capacity of the second electron capacitance circuit of resonant operational point
Value Ceq2；Wherein in step sl, ω=ω0；In step s3, ω=ω1；
(2) basisObtain control and close angle α2, wherein, C2For the second direct current
Hold；
(3) voltage-phase is measured by phaselocked loop, the second electron capacitance circuit, control is controlled using phase shifting angle control methods
Closing angle is α2。
In step S1, the initial value ω0For 100KHZ.
Compared with prior art, the utility model has the following advantages that and technique effect：
The principle of equal effects of the utility model based on electromagentic resonance and electron capacitance circuit, is one by electron capacitance circuit equivalent
Individual variable capacitance, optimal resonant frequency when being issued to maximum transmitted efficiency by calculating different vehicle conditions, regulation the first electronics electricity
Capacitive circuit and the second electron capacitance circuit, make the first series resonant circuit and the second series resonant circuit be operated in magnetic resonance shape
State, therefore, electric automobile wireless charging circuit of the present utility model can realize the bilateral compensation being wirelessly transferred, and greatly improve nothing
Line efficiency of transmission, with good market prospects and economic benefit.
Brief description of the drawings
Fig. 1 is the construction scheme figure of electric automobile wireless charging circuit；
Fig. 2 is the overall construction drawing of electric automobile wireless charging；
Fig. 3 is the control figure of electron capacitance circuit；
Fig. 4 is the control block diagram of whole wireless charging system；
Fig. 5-1 is the simulation waveform for being wirelessly transferred primary side high-frequency inverter circuit output voltage electric current；
Fig. 5-2 is the simulation waveform for being wirelessly transferred secondary side the second series resonant circuit output voltage electric current.
Embodiment
Embodiment of the present utility model is elaborated with example below in conjunction with the accompanying drawings.
Fig. 1 gives the construction scheme figure of electric automobile magnetic resonance type wireless charging circuit of the present utility model, wherein, base
Side and the separation of vehicle-mounted side are built, capital construction side is arranged on below ground, transmitting coil L1Close to ground, as the receiving coil L of vehicle-mounted side2
In transmitting coil L1During top, wireless charging can be carried out.
Fig. 2 gives the overall construction drawing of electric automobile magnetic resonance type wireless charging, and capital construction side includes the first rectifying and wave-filtering
Circuit, high-frequency inverter circuit and the first series resonant circuit；Vehicle-mounted side includes the second series resonant circuit, the second rectifying and wave-filtering electricity
Road and DC-DC converter；
Wherein, the input of first current rectifying and wave filtering circuit is connected to power network, for line voltage to be rectified into direct current
Voltage；
Wherein, the input of the high-frequency inverter circuit is connected to the output end of first current rectifying and wave filtering circuit, is used for
The DC voltage inversion that first current rectifying and wave filtering circuit is exported is high frequency voltage square wave；
Wherein, the input of first series resonant circuit is connected to the output end of the high-frequency inverter circuit；
Wherein, the output end of second series resonant circuit is connected to the input of second current rectifying and wave filtering circuit；
Wherein, the input of second current rectifying and wave filtering circuit is connected to the output end of second series resonant circuit,
For the ac voltage rectifier that exports second series resonant circuit into DC voltage；
Wherein, the input of the DC-DC converter is connected to second current rectifying and wave filtering circuit, for by described second
The VD of current rectifying and wave filtering circuit is transformed into the rated voltage needed for vehicle mounted dynamic battery charging.
Wherein, first series resonant circuit includes the transmitting coil L being sequentially connected in series1With the first electron capacitance electricity
Road；The transmitting coil L1The one end not being connected with the first electron capacitance is connected with the negative pole of high-frequency inverter circuit output end, institute
State the first electron capacitance circuit not with transmitting coil L1Connected one end is connected with the positive pole of high-frequency inverter circuit output end.It is described
Second series resonant circuit includes the receiving coil L being sequentially connected in series2With the second electron capacitance circuit；The transmitting coil L2
The one end not being connected with the second electron capacitance is connected with the positive input terminal of the second current rectifying and wave filtering circuit, the second electron capacitance electricity
Lu Buyu receiving coils L2Connected one end is connected with the negative input end of the second current rectifying and wave filtering circuit；The transmitting coil L1With institute
State receiving coil L2By HF magnetic resonance mode, electric energy is from transmitting coil L1It is delivered to receiving coil L2。
Wherein, first electron capacitance includes the first switch mosfet pipe Q1, the second switch mosfet pipe Q2, the 3rd
Switch mosfet pipe Q3, the 4th switch mosfet pipe Q4With the first DC capacitor C1；Wherein, the drain electrode of the first switch mosfet pipe
With the first DC capacitor C1Positive pole be connected, the drain electrode phase of the source electrode and the 3rd switch mosfet pipe of the first switch mosfet pipe
Even；The drain electrode of second switch mosfet pipe and the first DC capacitor C1Positive pole be connected, the source electrode of the second switch mosfet pipe with
The drain electrode of 4th switch mosfet pipe is connected；The source electrode of 3rd switch mosfet pipe and the first DC capacitor C1Negative pole be connected；
The source electrode of 4th switch mosfet pipe and the first DC capacitor C1Negative pole be connected；The source electrode and high frequency of first switch mosfet pipe
The positive pole of inverter circuit output end is connected, source electrode and the transmitting coil L of the second switch mosfet pipe1One end is connected.
Wherein, second electron capacitance includes the 5th switch mosfet pipe Q5, the 6th switch mosfet pipe Q6, the 7th
Switch mosfet pipe Q7, the 8th switch mosfet pipe Q8With the second DC capacitor C2；Wherein, the drain electrode of the 5th switch mosfet pipe
With the second DC capacitor C2Positive pole be connected, the drain electrode phase of the source electrode and the 7th switch mosfet pipe of the 5th switch mosfet pipe
Even；The drain electrode of 6th switch mosfet pipe and the second DC capacitor C2Positive pole be connected, the source electrode of the 6th switch mosfet pipe with
The drain electrode of 8th switch mosfet pipe is connected；The source electrode of 7th switch mosfet pipe and the second DC capacitor C2Negative pole be connected；
The source electrode of 8th switch mosfet pipe and the second DC capacitor C2Negative pole be connected；The source electrode of 5th switch mosfet pipe and reception
One end of coil is connected, and the source electrode of the 6th switch mosfet pipe is connected with the negative input end of the second current rectifying and wave filtering circuit.
The whole work process of the utility model circuit is：Civil power, which first passes around the first current rectifying and wave filtering circuit, will exchange AC turns
DC voltage is turned to, high-frequency inverter circuit output high voltage square wave is then passed through, then passes through the first series resonant circuit
The magnetic resonance of two series resonant circuits by the electric energy of primary side be transferred to secondary side, finally by the second current rectifying and wave filtering circuit and
DC-DC converter obtains the charging voltage needed for vehicle mounted dynamic battery charging and then gives vehicle mounted dynamic battery charging.
A kind of control method of electric automobile wireless charging circuit, comprises the steps：
S1, the work angular frequency initial value ω that high-frequency inverter circuit is set0, the first electron capacitance circuit and are adjusted successively
Two electron capacitance circuits so that the first series resonant circuit and the second series resonant circuit are operated in magnetic resonance state, measure hair
Ray circle L1With receiving coil L2Between mutual inductance M；
S2, the output angular frequency for adjusting high-frequency inverter circuitWherein, R1、R2、ReqRespectively first series connection
Resonance circuit equivalent parasitic resistance, the second series resonant circuit equivalent parasitic resistance, vehicle-mounted side the second series resonant circuit rear class
Equiva lent impedance；
S3, adjust the first electron capacitance circuit and the second electron capacitance circuit successively so that the first series resonant circuit and
Second series resonant circuit is operated in magnetic resonance state.
In step S1 and S3, the adjusting method of the first electron capacitance circuit and the second electron capacitance circuit is using shifting
Phase angle control method, is concretely comprised the following steps：
For the first electron capacitance circuit：
(1) according to resonance angular frequencyObtain the equivalent electric of the first electron capacitance circuit of resonant operational point
Capacitance Ceq1；Wherein in step sl, ω=ω0；In step s3, ω=ω1；
(2) basisObtain control and close angle α1, wherein, C1For the first direct current
Hold；
(3) voltage-phase is measured by phaselocked loop, the first electron capacitance circuit, control is controlled using phase shifting angle control methods
Closing angle is；
For the second electron capacitance circuit：
(1) according to resonance angular frequencyObtain the equivalent capacity of the second electron capacitance circuit of resonant operational point
Value Ceq2；Wherein in step sl, ω=ω0；In step s3, ω=ω1；
(2) basisObtain control and close angle α2, wherein, C2For the second direct current
Hold；
(3) voltage-phase is measured by phaselocked loop, the second electron capacitance circuit, control is controlled using phase shifting angle control methods
Closing angle is α2。
In step S1, the initial value ω0For 100KHZ.
The control method of first electron capacitance circuit and the second electron capacitance circuit is identical in above-mentioned, control figure such as Fig. 3 institutes
Show, the phase angle of place resonance circuit is obtained by phaselocked loop, according to electron capacitance circuit equivalent capacitance CeqAngle α is closed with phase shift
Mathematics corresponding relationDC capacitor CdcFor C1Or C2, four of control electron capacitance circuit
Switch mosfet pipe.
Fig. 4 is the control block diagram of whole wireless charging system, has first detected whether that electric automobile is stopped and asks to fill
Electricity, if nothing, does not work, the system starts if having, and sets original resonance frequency to be 100KHz first and adjusts realization nothing
The bilateral resonance of line transmission, in this case, measurement transmitting coil L1With receiving coil L2Mutual inductance value M and the second series resonance
The equivalent impedance R of rear classeq, then calculate maximal efficiency when optimal resonant frequency and adjust high-frequency inverter circuit output frequency
Rate value, finally adjusts the first electron capacitance circuit and the second electron capacitance circuit, the first series resonant circuit and second is connected
Resonance circuit is in the resonating at frequencies, and achievable electric energy is efficiently wirelessly transferred.During wireless charging, discontinuity detection car
Carry whether electrokinetic cell fills with electricity or request stops charging, if so, then closing wireless charging system, otherwise continue.With
This detects transmitting coil L simultaneously1With receiving coil L2Mutual inductance value M and the second series resonance rear class equivalent impedance ReqIt is
It is no to convert, if so, then remeasuring and setting and adjust wireless charging system, it is operated under optimum control state.
Fig. 5-1 is the simulation waveform that the utility model is wirelessly transferred primary side high-frequency inverter circuit output voltage electric current,
Fig. 5-2 is the simulation waveform for being wirelessly transferred secondary side the second series resonant circuit output voltage electric current, simulation result：Primary side
Circuit and secondary side circuit are substantially at resonant condition, and realize voltage x current same-phase, fully demonstrate the utility model
Feasibility.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (4)
1. a kind of electric automobile wireless charging circuit, it is characterised in that：Including capital construction side and vehicle-mounted side, the capital construction side includes the
One current rectifying and wave filtering circuit, high-frequency inverter circuit and the first series resonant circuit；Vehicle-mounted side includes the second series resonant circuit, second
Current rectifying and wave filtering circuit and DC-DC converter；Wherein
The input of first current rectifying and wave filtering circuit is connected to power network, for line voltage to be rectified into DC voltage；
The input of the high-frequency inverter circuit is connected to the output end of first current rectifying and wave filtering circuit, for by described first
The DC voltage inversion of current rectifying and wave filtering circuit output is high frequency voltage square wave；
The input of first series resonant circuit is connected to the output end of the high-frequency inverter circuit；
The output end of second series resonant circuit is connected to the input of second current rectifying and wave filtering circuit；
The input of second current rectifying and wave filtering circuit is connected to the output end of second series resonant circuit, for by described in
The ac voltage rectifier of second series resonant circuit output is into DC voltage；
The input of the DC-DC converter is connected to second current rectifying and wave filtering circuit, for by second rectifying and wave-filtering
The VD of circuit is transformed into the rated voltage needed for vehicle mounted dynamic battery charging；
First series resonant circuit is symmetrical arranged with the second series resonant circuit, and the wireless biography of electric energy is realized by coupling
It is defeated.
2. electric automobile wireless charging circuit according to claim 1, it is characterised in that：The first series resonant circuit bag
Include the transmitting coil L being sequentially connected in series1With the first electron capacitance circuit, the output end of high-frequency inverter circuit is connected to；It is described
Second series resonant circuit includes the receiving coil L being sequentially connected in series2With the second electron capacitance circuit, the second rectification is connected to
The input of filter circuit；The transmitting coil L1With the receiving coil L2By HF magnetic resonance mode, electric energy is from emission lines
Enclose L1It is delivered to receiving coil L2, the transmitting coil L1With receiving coil L2It is symmetrical arranged, the wireless of electric energy is realized by coupling
Transmission.
3. electric automobile wireless charging circuit according to claim 2, it is characterised in that：The first electron capacitance circuit bag
Include the first switch mosfet pipe, the second switch mosfet pipe, the 3rd switch mosfet pipe, the 4th switch mosfet pipe and first straight
Flow electric capacity C1；Wherein, the drain electrode of the first switch mosfet pipe and the first DC capacitor C1Positive pole be connected, the first switch mosfet
The source electrode of pipe is connected with the drain electrode of the 3rd switch mosfet pipe；The drain electrode of second switch mosfet pipe and the first DC capacitor C1's
Positive pole is connected, and the source electrode of the second switch mosfet pipe is connected with the drain electrode of the 4th switch mosfet pipe；3rd switch mosfet pipe
Source electrode and the first DC capacitor C1Negative pole be connected；The source electrode of 4th switch mosfet pipe and the first DC capacitor C1Negative pole
It is connected；The two ends of first electron capacitance circuit source electrode respectively from the first switch mosfet pipe and the source of the second switch mosfet pipe
Draw pole.
4. electric automobile wireless charging circuit according to claim 2, it is characterised in that：The second electron capacitance circuit bag
Include the 5th switch mosfet pipe, the 6th switch mosfet pipe, the 7th switch mosfet pipe, the 8th switch mosfet pipe and second straight
Flow electric capacity C2；Wherein, the drain electrode of the 5th switch mosfet pipe and the second DC capacitor C2Positive pole be connected, the 5th switch mosfet
The source electrode of pipe is connected with the drain electrode of the 7th switch mosfet pipe；The drain electrode of 6th switch mosfet pipe and the second DC capacitor C2's
Positive pole is connected, and the source electrode of the 6th switch mosfet pipe is connected with the drain electrode of the 8th switch mosfet pipe；7th switch mosfet pipe
Source electrode and the second DC capacitor C2Negative pole be connected；The source electrode of 8th switch mosfet pipe and the second DC capacitor C2Negative pole
It is connected；The two ends of second electron capacitance circuit source electrode respectively from the 5th switch mosfet pipe and the source of the 6th switch mosfet pipe
Draw pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150611.3U CN206561781U (en) | 2017-02-20 | 2017-02-20 | A kind of electric automobile wireless charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150611.3U CN206561781U (en) | 2017-02-20 | 2017-02-20 | A kind of electric automobile wireless charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206561781U true CN206561781U (en) | 2017-10-17 |
Family
ID=60030343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720150611.3U Expired - Fee Related CN206561781U (en) | 2017-02-20 | 2017-02-20 | A kind of electric automobile wireless charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206561781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740238A (en) * | 2017-02-20 | 2017-05-31 | 华南理工大学 | A kind of electric automobile wireless charging circuit and its control method |
| CN107776429A (en) * | 2017-10-25 | 2018-03-09 | 华南理工大学 | A kind of semi-bridge type MERS electric automobiles wireless charging circuit and its control method |
-
2017
- 2017-02-20 CN CN201720150611.3U patent/CN206561781U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740238A (en) * | 2017-02-20 | 2017-05-31 | 华南理工大学 | A kind of electric automobile wireless charging circuit and its control method |
| CN106740238B (en) * | 2017-02-20 | 2023-08-25 | 华南理工大学 | Wireless charging circuit of electric automobile and control method thereof |
| CN107776429A (en) * | 2017-10-25 | 2018-03-09 | 华南理工大学 | A kind of semi-bridge type MERS electric automobiles wireless charging circuit and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106740238A (en) | A kind of electric automobile wireless charging circuit and its control method | |
| CN107618388B (en) | Wireless charging system of electric automobile | |
| CN111835092B (en) | Bilateral LCC compensation network adjusting method and system of wireless charging system | |
| CN104578345B (en) | Electromagnetic resonance type wireless charging device and control method based on CLL resonant transformation | |
| CN103560593B (en) | A kind of control method of field coupled type radio energy transmission system | |
| CN109302070A (en) | Power converter circuit topological structure and its control method | |
| CN101777836B (en) | Electric energy isolation transmission method and isolation transmission device | |
| CN109617250B (en) | Anti-deviation wireless power transmission system based on combined topology | |
| CN110949152A (en) | Wireless charging system and method and automobile wireless charging device | |
| CN104779672A (en) | Wireless charging system applicable to battery load | |
| CN106712319B (en) | Magnetic resonance type wireless charging circuit of electric automobile and control method thereof | |
| CN105680577A (en) | Wide-range power adjustable wireless electric energy transmission system and control method thereof | |
| CN110635545A (en) | Device and method for realizing constant-current constant-voltage wireless charging based on single-tube circuit | |
| CN107636930A (en) | Contactless power supply system and current-collecting device | |
| CN111532151A (en) | System and method for wireless charging of electric automobile | |
| CN206561781U (en) | A kind of electric automobile wireless charging circuit | |
| CN104901403B (en) | A kind of wireless charging system for electric automobile and method that power adjusting is realized based on phased inverter | |
| CN205921458U (en) | Wireless transmitting system of charging and wireless receiving system that charges | |
| CN107776429A (en) | A kind of semi-bridge type MERS electric automobiles wireless charging circuit and its control method | |
| CN110912280A (en) | Wireless power transmission system based on bidirectional voltage doubling circuit | |
| CN110611359A (en) | Device and method for realizing single-tube inversion constant-current constant-voltage wireless charging through secondary compensation network switching | |
| CN206564492U (en) | A kind of electric automobile magnetic resonance type wireless charging circuit | |
| CN110445231A (en) | A kind of wireless power transmission voltage-stabilizing controller based on reflected umpedance | |
| CN109660029A (en) | It enjoys a double blessing bridge radio energy transmission system soft switch circuit | |
| CN207510243U (en) | A kind of novel electric vehicle magnetic resonance type wireless charging circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20200220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |