CN104701959A - Wireless automatic charging system of electric vehicle - Google Patents

Wireless automatic charging system of electric vehicle Download PDF

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Publication number
CN104701959A
CN104701959A CN201510137961.1A CN201510137961A CN104701959A CN 104701959 A CN104701959 A CN 104701959A CN 201510137961 A CN201510137961 A CN 201510137961A CN 104701959 A CN104701959 A CN 104701959A
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CN
China
Prior art keywords
charging
receiving coil
transmitting coil
lifting
electric vehicle
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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.)
Pending
Application number
CN201510137961.1A
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Chinese (zh)
Inventor
田光宇
张健
吴文平
任晨佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Normal Celestial Movement Auto Technology Co Ltd
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Jiangsu Normal Celestial Movement Auto Technology Co Ltd
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Publication date
Application filed by Jiangsu Normal Celestial Movement Auto Technology Co Ltd filed Critical Jiangsu Normal Celestial Movement Auto Technology Co Ltd
Priority to CN201510137961.1A priority Critical patent/CN104701959A/en
Publication of CN104701959A publication Critical patent/CN104701959A/en
Pending legal-status Critical Current

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Abstract

The invention provides a wireless automatic charging system of an electric vehicle. The system comprises a wireless automatic positioning device, a wireless data communication device, an active barrier avoiding plane movement mechanism, an adaptive lifting mechanism, a charging emission coil, a charging power supply and an automatic control device. The system has the wireless automatic positioning function and the adaptive height raising function by which a driver can normally drive a vehicle on a parking space to achieve efficient wireless charging, rather than finding out an accurate wireless charging position; the system is automatic to achieve positioning and charging functions.

Description

A kind of wireless automatic charging system used for electric vehicle
Technical field
The present invention relates to electric automobile wireless charging technical applications, particularly about a kind of used for electric vehicle wireless automatic charging system promoting fail safe and efficiency.
Background technology
The problem of energy and environment is can't steer clear of in the development of auto industry, and this is a kind of challenge is also a kind of opportunity.Along with the exposure of these problems, the advantage of electric automobile zero discharge highlights again.Along with people are for the improving constantly of environmental requirement, the exhaustion of petroleum-based energy and the continuous maturation of electric vehicle engineering, can predict, in the near future, it is irreversible trend that internal-combustion engines vehicle changes to electric automobile.But the universal problem being also faced with battery charging of electric automobile, the conventional charging modes of current electric motor car is rested in by electric automobile near fixing charging device, such as special charging station, charging pile etc., the charging inlet then charging cable being inserted into electric automobile charges.This kind of charging modes has following three potential deficiencies: the frequent plug 1) between charging plug and charging inlet may cause loose contact and contact resistance to increase, and not only extends the charging interval to there is potential safety hazard simultaneously; 2) due to the difference of each producer's charge port design, charger is sufficiently long with the requirement meeting all vehicles to the stube cable of charge port, and the physical obstacle that cable is formed when charging may impact from car and nearby vehicle; 3) charging start and at the end of, all need artificial plug, add the operation of driver.
Along with the development of wireless charging technology, have the wireless charging device for electric automobile at present, which solves the subproblem that cable charging exists, but also there is many drawbacks.Wireless charging, compared to wired charging, has charging convenient, reduces manually-operated advantage.But there is the safety problem such as high frequency radiation, leakage magnetic field, and wireless charging efficiency is lower, loss is comparatively large, and these all constrain the popularization of electric automobile wireless charging technology.Simultaneously, existing wireless charging device is all be fixed on road surface or parking area by the mode of burying, this requires driver to charge at every turn all needs vehicle accurately to rest in directly over wireless charging device, this considerably increases the workload of driver and improves the operation easier of driver.Meanwhile, under charge coil misaligned situations, charging can cause more energy loss, adds the potential safety hazard in charging.
In current wireless charging system, charging transmitting coil is generally fixed on ground and cannot moves, driver is needed to be stopped by automobile on request into assigned address and constantly adjust, guarantee charging transmitting coil and receiving coil centering, this increases the workload of driver and artificial adjustment cannot meet required precision entirely on the center.Simultaneously in charging process, because the distance of charging transmitting coil and receiving coil is comparatively large, middle exist larger space, easily produces potential safety hazard because of entering of foreign matter, and the leakage in magnetic field simultaneously can reduce system effectiveness.
Summary of the invention
For solving the problems of the technologies described above, the invention provides one can locate automatically, and realization charging transmitting coil and charging receiving coil reach the wireless automatic charging device used for electric vehicle of Best Coupling state.
Technical scheme of the present invention is as follows:
A kind of wireless automatic charging system used for electric vehicle, comprise supply unit, charging transmitting coil, planar motion mechanism, self adaptation lifting mechanism, charging receiving coil and the positioner of positional information for receiving coil of determining to charge, described charging transmitting coil is arranged on described self adaptation lifting mechanism; Described charging receiving coil is arranged on electric automobile;
The charging receiving coil positional information that described planar motion mechanism obtains according to positioner carries out plane motion, realizes charging transmitting coil and aims at charging receiving coil center; Described self adaptation lifting mechanism is used for rising height, realizes charging transmitting coil and reaches charging requirement with the spacing of charging receiving coil.
Described planar motion mechanism realizes charging transmitting coil according to charging receiving coil positional information and aims at charging receiving coil center, and positioning precision is 10cm;
Again by the magnetic coupling interaction between charging transmitting coil and charging receiving coil, finely tune charging transmitting coil position, make to aim at completely between charging transmitting coil with charging receiving coil, positioning precision is 1cm.
In described planar motion mechanism, be provided with motor, fix described planar motion mechanism by described electric motor locking.
Be equipped with for the obstacle in paratonic movement process in described planar motion mechanism, realize automatic obstacle avoidance and obtain obstacle sensor.
Be provided with for after charging receiving coil and charging transmitting coil are aimed in described supply unit, by the line retracting device that unnecessary charge cable is regained.
Described self adaptation lifting mechanism is motor-driven leading screw automatic lifting mechanism; Described self adaptation lifting apparatus is according to historical data and positioner signal determination preset height, and electric machine rotation drives screw mandrel to rotate, lead agency lifting, and after rising height reaches preset height, lifting mechanism carries out height fine adjusting function; When the plane contact at load plane and the vehicle-mounted receiving coil place at transmitting coil place of charging, self adaptation lifting apparatus lifting process terminates, and will highly locking.
Be provided with in described supply unit in charging process, for carrying out the automatic control equipment of monitoring in real time to the state of planar motion mechanism and lifting mechanism.
In described charging transmitting coil, be embedded with thermistor, the temperature of charging transmitting coil is monitored in real time.
Wireless automatic charging device used for electric vehicle of the present invention has automatic positioning equipment, driver can be made after stopping in parking stall need not to find wireless charging accurate location during wireless charging, as long as car can be realized high efficiency wireless charging with equally reaching on parking stall at ordinary times, by wireless means, automatically realize the location of wireless charging.Adopt self adaptation lifting mechanism rising height, make the distance between charge coil and receiving coil reach charging requirement, reduce leakage magnetic field, improve charge efficiency, improve the fail safe in charging process.
Accompanying drawing explanation
Accompanying drawing is the used for electric vehicle wireless automatic charging device system schematic consistent with the embodiment of the present invention.
In figure, 1, supply unit; 2, charge cable; 3, planar motion mechanism; 4, self adaptation lifting mechanism; 5, alignment sensor; 6, charge transmitting coil; 7, positioning electronic mark; 8, charge receiving coil.
Specific embodiment
Be below the specific embodiment of invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, the structure of the present invention's wireless automatic charging device used for electric vehicle is as follows: wireless automatic charging system used for electric vehicle comprises supply unit 1, charging transmitting coil 6, planar motion mechanism 3, self adaptation lifting mechanism 4, charging receiving coil 8 and the positioner of positional information for receiving coil of determining to charge, and described charging transmitting coil 6 is arranged on described self adaptation lifting mechanism 4; Described charging receiving coil 8 is arranged on electric automobile.
After the electric automobile having installed this device adaptation is stopped Reserved Parking by driver, without the need to automotive parking accurately being aimed at the stop line of delimitation.After parking, according to driver's car locking and charging instruction, automatic charge device starts to carry out charging work.Positioner comprises vehicle positioning electronic mark 7 and alignment sensor 5, vehicle positioning electronic mark 7 transfixion, launch radio wave, planar motion mechanism 3 carries out detection and location by alignment sensor 5 pairs of radio waves, and constantly adjust the movement locus of planar motion mechanism 3, the charging transmitting coil 6 carried by planar motion mechanism 3 moves near charging receiving coil 8, and positioning precision is 10cm.
By the magnetic coupling interaction between charging transmitting coil 6 and charging receiving coil 8, finely tune charging transmitting coil 6 position, make to aim at completely between charging transmitting coil 6 with charging receiving coil 8, positioning precision is 1cm.
In described planar motion mechanism 3, obstacle sensor (not shown) is housed, in planar motion mechanism 3 motion process, the obstacle in obstacle sensor paratonic movement process, realizes automatic obstacle avoidance.After charging receiving coil 8 and charging transmitting coil 6 are aimed at completely, by the electric motor locking in planar motion mechanism 3 is ensured that planar motion mechanism 3 maintains static.Meanwhile, unnecessary charge cable 2 is regained by the line retracting device that is provided with in supply unit 1, prevents from interfering because the long motion to planar motion mechanism 3 of charge cable 2 is formed.The length of cable regained in the process regained needs to calculate according to the distance of motion, ensures process midplane motion 3 transfixion that cable is regained.
When charge cable 2 has been regained, dependent instruction is sent in planar motion mechanism 3, and start self adaptation lifting mechanism 4, self adaptation lifting mechanism 4 is motor-driven leading screw automatic lifting mechanism, carry out self-learning function according to historical data and record preset height, electric machine rotation drives screw mandrel to rotate, and will carry mechanism's lifting of wireless transmission coil 6, after rising height reaches preset height, self adaptation lifting mechanism 4 carries out upper-lower height fine setting.When the plane contact at load plane and vehicle-mounted charge receiving coil 8 place at transmitting coil 6 place of charging, self adaptation lifting mechanism 4 lifting process terminates, and will height locking, the stability of charging mechanism in guarantee charging process.
After motion completes above work, power switch opened by supply unit 1, powers to charging transmitting coil 6.Automatic control equipment (not shown) is provided with in supply unit 1, in the process of charging, the state of automatic control equipment to planar motion mechanism 3 and self adaptation lifting mechanism 4 is monitored in real time, if any abnormal operation, and device 1 power supply of cutting off the electricity supply at once.Simultaneously in charging transmitting coil 6, be embedded with thermistor, the temperature of charging transmitting coil 6 monitored in real time, if temperature exceedes warning temperature, power or power down process is fallen to system.
In sum, by means of technique scheme of the present invention, the charging of electric automobile automated wireless is realized by movable wireless charging emitter and positioning function, not only solve the problem of general wireless charging inefficiency now, and improve the fail safe of system, there is application prospect widely.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.

Claims (8)

1. a wireless automatic charging system used for electric vehicle, it is characterized in that: comprise supply unit, charging transmitting coil, planar motion mechanism, self adaptation lifting mechanism, charging receiving coil and the positioner of positional information for receiving coil of determining to charge, described charging transmitting coil is arranged on described self adaptation lifting mechanism; Described charging receiving coil is arranged on electric automobile;
The charging receiving coil positional information that described planar motion mechanism obtains according to positioner carries out plane motion, realizes charging transmitting coil and aims at charging receiving coil center; Described self adaptation lifting mechanism is used for rising height, realizes charging transmitting coil and reaches charging requirement with the spacing of charging receiving coil.
2. wireless automatic charging system used for electric vehicle according to claim 1, is characterized in that: described planar motion mechanism realizes charging transmitting coil according to charging receiving coil positional information and aims at charging receiving coil center, and positioning precision is 10cm;
Again by the magnetic coupling interaction between charging transmitting coil and charging receiving coil, finely tune charging transmitting coil position, make to aim at completely between charging transmitting coil with charging receiving coil, positioning precision is 1cm.
3. wireless automatic charging system used for electric vehicle according to claim 1, is characterized in that: in described planar motion mechanism, be provided with motor, fixes described planar motion mechanism by described electric motor locking.
4. wireless automatic charging system used for electric vehicle according to claim 1, is characterized in that: be equipped with in described planar motion mechanism for the obstacle in paratonic movement process, the obstacle sensor realizing automatic obstacle avoidance.
5. wireless automatic charging system used for electric vehicle according to claim 1, is characterized in that: be provided with for after charging receiving coil and charging transmitting coil are aimed in described supply unit, by the line retracting device that unnecessary charge cable is regained.
6. wireless automatic charging system used for electric vehicle according to claim 1, is characterized in that: described self adaptation lifting mechanism is motor-driven leading screw automatic lifting mechanism; Described self adaptation lifting apparatus according to historical data and positioner signal determination preset height, electric machine rotation, drive screw mandrel rotate, after rising height reaches preset height, lifting mechanism carries out height fine adjusting function; When the plane contact at load plane and the vehicle-mounted receiving coil place at transmitting coil place of charging, self adaptation lifting apparatus lifting process terminates, and will highly locking.
7. wireless automatic charging system used for electric vehicle according to claim 1, is characterized in that: be provided with in described supply unit in charging process, for carrying out the automatic control equipment of monitoring in real time to the state of planar motion mechanism and lifting mechanism.
8. wireless automatic charging system used for electric vehicle according to claim 1, is characterized in that: in described charging transmitting coil, be embedded with thermistor, monitors in real time the temperature of charging transmitting coil.
CN201510137961.1A 2015-03-27 2015-03-27 Wireless automatic charging system of electric vehicle Pending CN104701959A (en)

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Application Number Priority Date Filing Date Title
CN201510137961.1A CN104701959A (en) 2015-03-27 2015-03-27 Wireless automatic charging system of electric vehicle

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Application Number Priority Date Filing Date Title
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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN105068555A (en) * 2015-06-30 2015-11-18 安科智慧城市技术(中国)有限公司 Automatic alignment method and device for unmanned plane
CN105591436A (en) * 2016-02-04 2016-05-18 广州橙行智动汽车科技有限公司 Multi-parking-stall movable type vehicle wireless charging device and control method thereof
CN105882442A (en) * 2016-01-29 2016-08-24 西安特锐德智能充电科技有限公司 Non-contact induction charging device used for stereo garage
CN106025723A (en) * 2016-06-30 2016-10-12 深圳市国投创新科技有限公司 Automatic charging plug plugging device for charging pile
CN106329679A (en) * 2015-06-26 2017-01-11 苏州宝时得电动工具有限公司 Wireless charging alignment device and wireless charging device
WO2017031887A1 (en) * 2015-08-24 2017-03-02 孙源 Intelligent movable electric vehicle charging device and charging method
CN106911190A (en) * 2017-03-28 2017-06-30 联想(北京)有限公司 Wireless charging device, wireless charging temperature control method and robot
CN107161197A (en) * 2017-05-31 2017-09-15 苏州弗士曼精密机械有限公司 A kind of barrier-free wireless charging logistics trolley
CN110855025A (en) * 2019-11-20 2020-02-28 厦门大学 Transmitting coil positioning and aligning device for wireless energy transmission

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KR20120139559A (en) * 2011-06-16 2012-12-27 호리바 인스트루먼츠 인코포레이티드 Test systems for electric vehicle and hybrid electric vehicle
CN103563217A (en) * 2011-05-27 2014-02-05 日产自动车株式会社 Non-contact power supply device, vehicle, and non-contact power supply system
CN103683521A (en) * 2012-09-21 2014-03-26 昆山博驭汽车数字化有限公司 Laser positioning intelligent connection electric vehicle wireless charger and transceiver system

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CN103563217A (en) * 2011-05-27 2014-02-05 日产自动车株式会社 Non-contact power supply device, vehicle, and non-contact power supply system
KR20120139559A (en) * 2011-06-16 2012-12-27 호리바 인스트루먼츠 인코포레이티드 Test systems for electric vehicle and hybrid electric vehicle
CN103683521A (en) * 2012-09-21 2014-03-26 昆山博驭汽车数字化有限公司 Laser positioning intelligent connection electric vehicle wireless charger and transceiver system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106329679A (en) * 2015-06-26 2017-01-11 苏州宝时得电动工具有限公司 Wireless charging alignment device and wireless charging device
CN105068555B (en) * 2015-06-30 2018-08-24 安科智慧城市技术(中国)有限公司 A kind of unmanned plane automatic sensing alignment methods and device
CN105068555A (en) * 2015-06-30 2015-11-18 安科智慧城市技术(中国)有限公司 Automatic alignment method and device for unmanned plane
WO2017031887A1 (en) * 2015-08-24 2017-03-02 孙源 Intelligent movable electric vehicle charging device and charging method
CN105882442A (en) * 2016-01-29 2016-08-24 西安特锐德智能充电科技有限公司 Non-contact induction charging device used for stereo garage
CN105591436A (en) * 2016-02-04 2016-05-18 广州橙行智动汽车科技有限公司 Multi-parking-stall movable type vehicle wireless charging device and control method thereof
CN105591436B (en) * 2016-02-04 2019-06-14 北京小鹏汽车有限公司 A kind of more parking stall mobile automobile wireless charging devices and its control method
CN106025723A (en) * 2016-06-30 2016-10-12 深圳市国投创新科技有限公司 Automatic charging plug plugging device for charging pile
CN106911190A (en) * 2017-03-28 2017-06-30 联想(北京)有限公司 Wireless charging device, wireless charging temperature control method and robot
CN106911190B (en) * 2017-03-28 2020-05-26 联想(北京)有限公司 Wireless charging device, wireless charging temperature control method and robot
CN107161197A (en) * 2017-05-31 2017-09-15 苏州弗士曼精密机械有限公司 A kind of barrier-free wireless charging logistics trolley
CN110855025A (en) * 2019-11-20 2020-02-28 厦门大学 Transmitting coil positioning and aligning device for wireless energy transmission
CN110855025B (en) * 2019-11-20 2021-08-31 厦门大学 Transmitting coil positioning and aligning device for wireless energy transmission

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Application publication date: 20150610