CN206202015U - Electric automobile resonance type wireless charging device - Google Patents

Electric automobile resonance type wireless charging device Download PDF

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Publication number
CN206202015U
CN206202015U CN201621287478.8U CN201621287478U CN206202015U CN 206202015 U CN206202015 U CN 206202015U CN 201621287478 U CN201621287478 U CN 201621287478U CN 206202015 U CN206202015 U CN 206202015U
Authority
CN
China
Prior art keywords
wireless charging
transmitting coil
coil
driving chips
electric automobile
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
Application number
CN201621287478.8U
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Chinese (zh)
Inventor
王惠中
张永恒
刘联涛
乔林翰
黄金凤
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Lanzhou University of Technology
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Lanzhou University of Technology
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Publication date
Application filed by Lanzhou University of Technology filed Critical Lanzhou University of Technology
Priority to CN201621287478.8U priority Critical patent/CN206202015U/en
Application granted granted Critical
Publication of CN206202015U publication Critical patent/CN206202015U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

The utility model discloses a kind of electric automobile resonance type wireless charging device, including the wireless charging emitter and the car body wireless charging receiver being arranged on car body for being arranged on underground;The wireless charging emitter is provided with AC power supplies, and the AC power supplies is connected by rectification circuit and inverter circuit with transmitting coil;The car body wireless charging receiver is provided with receiving coil, the receiving coil is connected by rectification circuit with battery pack, the receiving coil concatenates a compensating electric capacity with transmitting coil, and the receiving coil is used for the alternating magnetic field resonance produced with transmitting coil to receive the electric energy from the transmitting coil;Its effect is:With long transmission distance, transimission power is big, the advantage insensitive to the dislocation between coil.

Description

Electric automobile resonance type wireless charging device
Technical field
The invention belongs to wireless charging system for electric automobile field, and in particular to a kind of electric automobile resonance type wireless charges Device.
Background technology
The charging modes of traditional electric automobile are mainly wired charging modes, but wired charging modes of routine are present Many weak points, charging station needs to lay feed cable, is connected as with the charging device of electric automobile by wire during charging Charging electric vehicle, and whole charging process needs artificial operation, when electric motor car charges, if band in charging socket or cable Electric conductor is exposed outside, is susceptible to Danger Electric shock risk, and potential safety hazard is brought to user.
Existing wireless charging product generally carries out energy transmission, but electromagnetic induction wireless power transmission using electromagnetic induction Technology has the shortcomings of transmission range is short, and transimission power is small.Meanwhile, receiving coil can not have larger skew with transmitting coil.
The content of the invention
In order to solve the above problems, the utility model provides a kind of electric automobile resonance type wireless charging device, solves mesh In preceding wireless charging technology, transmission range is short, transimission power is small and receiving coil and transmitting coil can not have lacking for larger skew Fall into.
The technical scheme that the utility model is taken is:A kind of electric automobile resonance type wireless charging device, including be arranged on The wireless charging emitter of underground and the car body wireless charging receiver being arranged on car body;
The wireless charging emitter is provided with AC power supplies, and the AC power supplies is by rectification circuit and inverter circuit and hair Ray circle is connected, and the transmitting coil also concatenates a compensating electric capacity;The rectification circuit is used for the friendship for providing the AC power supplies Stream electricity is transformed to direct current;The inverter circuit be used for by DC inverter into a certain frequency alternating current;The wireless charging Emitter is additionally provided with voltage-current sensor, A/D converter circuit, controller and drive circuit, the voltage-current sensor Electric current, magnitude of voltage for detecting the transmitting coil, and the value that will be detected, by A/D converter circuit and the controller Input is connected, and the output end of the controller is connected with drive circuit, and the controller is used for output control signal, the drive The control signal that dynamic circuit is exported according to controller controls the switching frequency of inverter circuit;
The drive circuit uses two panels IR2110 chips, an IR2110 driving chips and the 2nd IR2110 driving chips Input HIN, LIN receive logical signal input, after the output end HO series resistors R1 of an IR2110 driving chips Grid with the inverter circuit breaker in middle device Q1 is connected, the output end LO series resistors of an IR2110 driving chips Grid after R2 with the inverter circuit breaker in middle device Q2 is connected, the output end HO concatenations of the 2nd IR2110 driving chips Grid after resistance R4 with the inverter circuit breaker in middle device Q3 is connected, the output end LO of the 2nd IR2110 driving chips Grid after series resistor R3 with the inverter circuit breaker in middle device Q4 is connected, the switching device Q1's and switching device Q3 Drain electrode is connected with power supply VCC2, is connected with one end of transmitting coil after the source electrode serial capacitance C8 of the switching device Q1, described The other end of transmitting coil is connected with the drain electrode of the switching device Q4, and the source electrode of the switching device Q4 and switching device Q2 is straight Ground connection, the source electrode drained also with the switching device Q3 of the switching device Q4 is connected, the drain electrode of the switching device Q2 Source electrode also with the switching device Q1 is connected, and is provided between the output end VB and VS of an IR2110 driving chips certainly Electric capacity C3 is lifted, bootstrap capacitor C5, described first are provided between the output end VB and VS of the 2nd IR2110 driving chips Be provided with isolation capacitance C4 between the output end VCC and COM of IR2110 driving chips, the 2nd IR2110 driving chips it is defeated Go out to hold and be provided between VCC and COM isolation capacitance C6;
The car body wireless charging receiver is provided with receiving coil, and the receiving coil passes through rectification circuit and battery Group connection, the receiving coil also concatenates a compensating electric capacity, and the receiving coil is used for the alternating magnetic field produced with transmitting coil Resonance is receiving the electric energy from the transmitting coil.
The receiving coil is arranged at the bottom of car body, is easy to receive the electricity that the transmitting coil for being arranged on underground is emitted Can, and it is not take up the space of automobile.
The receiving coil is 20-60cm with the relative distance of the transmitting coil in the vertical direction, both ensure that vapour The normally travel of car, also ensure that the efficiency of wireless charging.
The receiving coil is wound on FERRITE CORE with transmitting coil, for avoiding and other the circuit portions on automobile Divide and produce interference.
The receiving coil uses enamel-covered wire coiling with transmitting coil, and the coil turn of coiling is identical, so launches Coil is as the resonant frequency of receiving coil, that is, resonant frequency is the same, is by magnetic resonance side when carrying out energy transmission Formula is transmitted.
Diode in the rectification circuit is fast recovery diode, the compensation that the receiving coil is concatenated with transmitting coil Capacitor's capacity is identical.
Using above-mentioned technical proposal, with advantages below:The utility model proposes a kind of electric automobile resonance type wireless Charging device, with long transmission distance, transimission power is big, insensitive to the dislocation between coil.
Brief description of the drawings
Fig. 1 is system block diagram of the present utility model;
Fig. 2 is use schematic diagram of the present utility model;
Fig. 3 is driver circuit schematic diagram of the present utility model.
Specific embodiment
In order that the technical problems to be solved in the utility model, technical scheme and advantage are clearer, below in conjunction with attached Figure and specific embodiment are described in detail, and description here does not mean that the institute corresponding to the instantiation of statement in embodiment There is theme all to refer in the claims.
A kind of electric automobile resonance type wireless charging device is can be seen that from Fig. 1, Fig. 2, including is arranged on the wireless of underground Charging emitter and the car body wireless charging receiver being arranged on car body;
The wireless charging emitter is provided with AC power supplies, and the AC power supplies is by rectification circuit and inverter circuit and hair Ray circle is connected, and the transmitting coil also concatenates a compensating electric capacity;The rectification circuit is used for the friendship for providing the AC power supplies Stream electricity is transformed to direct current;The inverter circuit be used for by DC inverter into a certain frequency alternating current;The wireless charging Emitter is additionally provided with voltage-current sensor, A/D converter circuit, controller and drive circuit, the voltage-current sensor Electric current, magnitude of voltage for detecting the transmitting coil, and the value that will be detected, by A/D converter circuit and the controller Input is connected, and the output end of the controller is connected with drive circuit, and the controller is used for output control signal, the drive The control signal that dynamic circuit is exported according to controller controls the break-make of inverter circuit;
The car body wireless charging receiver is provided with receiving coil, and the receiving coil is arranged at the bottom of car body, It is 20-60cm with the relative distance of the transmitting coil in the vertical direction, the receiving coil passes through rectification circuit and battery Group connection, the receiving coil also concatenates a compensating electric capacity, the compensating electric capacity capacitance of the compensating electric capacity and the transmitting coil Identical, the receiving coil is used for the alternating magnetic field resonance produced with transmitting coil to receive the electricity from the transmitting coil Energy.
From figure 3, it can be seen that drive circuit of the present utility model, the drive circuit uses two panels IR2110 chips, the Input HIN, LIN of one IR2110 driving chips and the 2nd IR2110 driving chips receive logical signal input, described first It is connected with the grid of the inverter circuit breaker in middle device Q1 after the output end HO series resistors R1 of IR2110 driving chips, it is described It is connected with the grid of the inverter circuit breaker in middle device Q2 after the output end LO series resistors R2 of the first IR2110 driving chips, Grid after the output end HO series resistors R4 of the 2nd IR2110 driving chips with the inverter circuit breaker in middle device Q3 Connection, with the inverter circuit breaker in middle device Q4's after the output end LO series resistors R3 of the 2nd IR2110 driving chips Grid is connected, and the drain electrode of the switching device Q1 and switching device Q3 is connected with power supply VCC2, the source electrode of the switching device Q1 It is connected with one end of transmitting coil after serial capacitance C8, the other end of the transmitting coil connects with the drain electrode of the switching device Q4 Connect, the source electrode of the switching device Q4 and switching device Q2 is directly grounded, the drain electrode of the switching device Q4 also with the switch The source electrode connection of device Q3, the source electrode drained also with the switching device Q1 of the switching device Q2 is connected, and described first Bootstrap capacitor C3, the output of the 2nd IR2110 driving chips are provided between the output end VB and VS of IR2110 driving chips Bootstrap capacitor C5 is provided between the VB and VS of end, is provided between the output end VCC and COM of an IR2110 driving chips Isolation capacitance C4, isolation capacitance C6 is provided between the output end VCC and COM of the 2nd IR2110 driving chips.
Preferred embodiment, a kind of electric automobile resonance type wireless charging device, including the wireless charging for being arranged on underground Emitter and the car body wireless charging receiver being arranged on car body;
The wireless charging emitter is provided with AC power supplies, and the AC power supplies is by rectification circuit and inverter circuit and hair Ray circle is connected, and the transmitting coil also concatenates a compensating electric capacity;The rectification circuit is used for the friendship for providing the AC power supplies Stream electricity is transformed to direct current;The inverter circuit is used for inverse of the DC into AC;The wireless charging emitter is also Voltage-current sensor, A/D converter circuit, controller and drive circuit are provided with, the voltage-current sensor is used to detect institute Electric current, the magnitude of voltage of transmitting coil, and the value that will be detected are stated, is connected with the input of the controller by A/D converter circuit Connect, the output end of the controller is connected with drive circuit, the controller is used for output control signal, the drive circuit root The control signal exported according to controller controls the switching frequency of inverter circuit;
The car body wireless charging receiver is provided with receiving coil, and the receiving coil passes through rectification circuit and battery Group connection, the receiving coil also concatenates a compensating electric capacity, and the diode in the rectification circuit is fast recovery diode, described Receiving coil is used for the alternating magnetic field resonance produced with transmitting coil to receive the electric energy from the transmitting coil;
By the way that the receiving coil to be arranged at the bottom of car body, and with the relative distance of transmitting coil in the vertical direction It is 40cm, improves the efficiency of wireless charging, also ensure that the normally travel of automobile.
In order to ensure that the receiving coil is identical with the resonant frequency of the transmitting coil, passed by way of EMR electromagnetic resonance Transmission of electricity energy, the receiving coil uses material identical enamel-covered wire coiling with transmitting coil, and the coil turn of coiling is identical, The receiving coil is identical with the compensating electric capacity capacitance that transmitting coil is concatenated.
Operation principle of the present utility model is, a kind of electric automobile resonance type wireless charging device, including is arranged on underground Wireless charging emitter and the car body wireless charging receiver that is arranged on car body, when automobile needs to charge, by car The top of wireless charging emitter transmitting coil is rested in, the phase of the voltage x current of transmitting coil is detected by sensor Difference, controller is sent to by detected value by AD conversion circuits, and controller output control signal control drive circuit drives inverse Become the switching device in circuit, make the frequency of inverter voltage consistent with the resonant frequency of transmitting coil, then by transmitting coil and Receiving coil carries out magnetic resonance transmission electric energy.
Finally it should be noted that foregoing description is preferred embodiment of the present utility model, but the utility model protection model Enclose and be not limited thereto, equivalent or change are subject to according to the technical solution of the utility model and its inventive concept, should all contain Cover within protection domain of the present utility model.

Claims (8)

1. a kind of electric automobile resonance type wireless charging device, it is characterised in that:Wireless charging including being arranged on underground is launched Device and the car body wireless charging receiver being arranged on car body;
The wireless charging emitter is provided with AC power supplies, and the AC power supplies is by rectification circuit and inverter circuit and emission lines Circle connection;The convert alternating current that the rectification circuit is used to provide the AC power supplies is direct current;The inverter circuit is used for Inverse of the DC into AC;The wireless charging emitter is additionally provided with voltage-current sensor, A/D converter circuit, control Device processed and drive circuit, the voltage-current sensor are used to detect electric current, the magnitude of voltage of the transmitting coil, and will be detected Value, be connected with the input of the controller by A/D converter circuit, the output end of the controller is connected with drive circuit, The controller is used for output control signal, the control signal control inverter circuit that the drive circuit is exported according to controller Switching frequency;
The car body wireless charging receiver is provided with receiving coil, and the receiving coil is connected by rectification circuit with battery pack Connect, the receiving coil concatenates a compensating electric capacity with transmitting coil, the receiving coil is used for the friendship produced with transmitting coil Varying magnetic field resonance is receiving the electric energy from the transmitting coil.
2. a kind of electric automobile resonance type wireless charging device according to claim 1, it is characterised in that the reception line Circle is arranged at the bottom of car body.
3. a kind of electric automobile resonance type wireless charging device according to claim 1, it is characterised in that the reception line It is 20-60cm to enclose with the relative distance of the transmitting coil in the vertical direction.
4. a kind of electric automobile resonance type wireless charging device according to claim 1, it is characterised in that the reception line Circle is wound on FERRITE CORE with transmitting coil.
5. a kind of electric automobile resonance type wireless charging device according to claim 1, it is characterised in that the reception line Circle uses material identical enamel-covered wire coiling with transmitting coil, and the coil turn of coiling is identical.
6. a kind of electric automobile resonance type wireless charging device according to claim 1, it is characterised in that the rectified current Diode in road is fast recovery diode.
7. a kind of electric automobile resonance type wireless charging device according to claim 1, it is characterised in that the reception line Enclose identical with the compensating electric capacity capacitance that transmitting coil is concatenated.
8. a kind of electric automobile resonance type wireless charging device according to claim 1, it is characterised in that the driving electricity Road uses input HIN, LIN of two panels IR2110 chips, an IR2110 driving chips and the 2nd IR2110 driving chips to connect Logical signal input is received, is opened with the inverter circuit after the output end HO series resistors R1 of an IR2110 driving chips The grid connection of device Q1 is closed, with the inverter circuit after the output end LO series resistors R2 of an IR2110 driving chips The grid connection of breaker in middle device Q2, with the inversion after the output end HO series resistors R4 of the 2nd IR2110 driving chips Circuit breaker in middle device Q3 grid connection, after the output end LO series resistors R3 of the 2nd IR2110 driving chips with it is described The grid connection of inverter circuit breaker in middle device Q4, drain electrode and the power supply VCC2 of the switching device Q1 and switching device Q3 connect Connect, be connected with one end of transmitting coil after the source electrode serial capacitance C8 of the switching device Q1, the other end of the transmitting coil Drain electrode with the switching device Q4 is connected, and the source electrode of the switching device Q4 and switching device Q2 is directly grounded, the switch The source electrode of the drain electrode also with the switching device Q3 of device Q4 is connected, the drain electrode of the switching device Q2 also with the switching device The source electrode connection of Q1, is provided with bootstrap capacitor C3 between the output end VB and VS of an IR2110 driving chips, and described the Be provided with bootstrap capacitor C5 between the output end VB and VS of two IR2110 driving chips, an IR2110 driving chips it is defeated Go out to hold be provided between VCC and COM isolation capacitance C4, set between the output end VCC and COM of the 2nd IR2110 driving chips It is equipped with isolation capacitance C6.
CN201621287478.8U 2016-11-28 2016-11-28 Electric automobile resonance type wireless charging device Expired - Fee Related CN206202015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621287478.8U CN206202015U (en) 2016-11-28 2016-11-28 Electric automobile resonance type wireless charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621287478.8U CN206202015U (en) 2016-11-28 2016-11-28 Electric automobile resonance type wireless charging device

Publications (1)

Publication Number Publication Date
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108631449A (en) * 2018-05-10 2018-10-09 常州星宇车灯股份有限公司 A kind of radio energy transmission system of automobile tail light
CN108879997A (en) * 2018-08-07 2018-11-23 吉林大学 A kind of automatic tuning wireless energy transmission device based on capacitance compensation
CN108880001A (en) * 2018-08-07 2018-11-23 吉林大学 A kind of wireless energy transmission device based on the resonance of magnetic coupling
CN108879999A (en) * 2018-08-07 2018-11-23 吉林大学 A kind of reactance adaptive wireless energy emission system
CN109038853A (en) * 2018-08-07 2018-12-18 吉林大学 A kind of wireless energy transform device of self-adapting load
CN109038855A (en) * 2018-08-07 2018-12-18 吉林大学 Based on magnetic coupling resonance formula wireless charging system for electric automobile
CN110165755A (en) * 2019-05-30 2019-08-23 吴忠隐 A kind of wireless charging device
CN112693335A (en) * 2021-01-15 2021-04-23 西华大学 Electric bicycle charging device based on wireless power transmission technology
WO2022257087A1 (en) * 2021-06-10 2022-12-15 华为技术有限公司 Method and apparatus for wireless charging

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108631449A (en) * 2018-05-10 2018-10-09 常州星宇车灯股份有限公司 A kind of radio energy transmission system of automobile tail light
CN108631449B (en) * 2018-05-10 2024-03-22 常州星宇车灯股份有限公司 Wireless power transmission system of automobile tail lamp
CN109038855B (en) * 2018-08-07 2022-02-22 吉林大学 Resonance type wireless charging system for electric automobile based on magnetic coupling
CN108879999A (en) * 2018-08-07 2018-11-23 吉林大学 A kind of reactance adaptive wireless energy emission system
CN109038853A (en) * 2018-08-07 2018-12-18 吉林大学 A kind of wireless energy transform device of self-adapting load
CN109038855A (en) * 2018-08-07 2018-12-18 吉林大学 Based on magnetic coupling resonance formula wireless charging system for electric automobile
CN108879997B (en) * 2018-08-07 2022-02-22 吉林大学 Automatic tuning wireless energy transmitting device based on capacitance compensation
CN108880001A (en) * 2018-08-07 2018-11-23 吉林大学 A kind of wireless energy transmission device based on the resonance of magnetic coupling
CN109038853B (en) * 2018-08-07 2022-03-15 吉林大学 Wireless energy transmission device capable of self-adapting to load
CN108879999B (en) * 2018-08-07 2022-03-22 吉林大学 Reactance self-adaptive wireless energy transmitting system
CN108879997A (en) * 2018-08-07 2018-11-23 吉林大学 A kind of automatic tuning wireless energy transmission device based on capacitance compensation
CN110165755A (en) * 2019-05-30 2019-08-23 吴忠隐 A kind of wireless charging device
CN112693335A (en) * 2021-01-15 2021-04-23 西华大学 Electric bicycle charging device based on wireless power transmission technology
WO2022257087A1 (en) * 2021-06-10 2022-12-15 华为技术有限公司 Method and apparatus for wireless charging

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170531

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