CN102324776A - Strong electromagnetic coupling wireless charging device for electric vehicle - Google Patents
Strong electromagnetic coupling wireless charging device for electric vehicle Download PDFInfo
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- CN102324776A CN102324776A CN201110276928A CN201110276928A CN102324776A CN 102324776 A CN102324776 A CN 102324776A CN 201110276928 A CN201110276928 A CN 201110276928A CN 201110276928 A CN201110276928 A CN 201110276928A CN 102324776 A CN102324776 A CN 102324776A
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Abstract
The invention relates to a strong electromagnetic coupling wireless charging device for an electric vehicle, which comprises a mains supply, a primary rectifier filter, a primary converter, a primary coil of a separable electromagnetic coupler, a movable original coil support, a secondary coil of the separable electromagnetic coupler, a magnetic concentrating iron core, a movable secondary coil support, a secondary rectifier filter, a charging controller, a storage battery and the electric vehicle. A power frequency alternating current is input into the primary rectifier filter; a stable direct current is output by the primary rectifier filter; the stable current is subjected to high frequency inversion into a high frequency alternate current through the primary rectifier filter; the high frequency alternate current is sent to the primary coil of the separable electromagnetic coupler; and the magnetic concentrating iron core is arranged in the primary coil of the separable electromagnetic coupler, the primary coil of the separable electromagnetic coupler can move up and down through the movable primary coil support and the secondary coil of the separable electromagnetic coupler can move up and down through the movable secondary coil support so as to generate strong electromagnetic coupling, thereby realizing high magnetic density energy transmission.
Description
Technical field:
The present invention relates to a kind of automobile charger, be specifically related to a kind of forceful electric power magnetic coupling type electric automobile wireless charging device.
Background technology:
After three the oil crisis outbursts in the whole world seventies in last century, each transnational motor corporation successively begins to research and develop various types of electric automobiles.China has also dropped into great amount of manpower and material resources and financial resources on the special project of research and development electric automobile; And a series of scientific achievements have been obtained; Continuous intensification along with global energy crisis; The harm aggravation of the exhaustion day by day of petroleum resources and air pollution, global warning, it is the main direction of following automotive engineering development with reducing discharging that national governments and automobile enterprise generally recognize energy-conservation, the development electric automobile will be the optimal path that solves these two technological difficulties.Electric automobile has become the common strategic choice of each major country of the world and automobile manufacturing company as the breach and the fundamental way that realizes that the transportation and energy makes the transition of the economic growth of a new round, also is the strategic choice of various countries' automobile market.Under the big force urges of national governments, the world car industry has got into the period that comprehensive transportation and energy makes the transition, and electric automobile has got into the new stage of accelerated development.China has taked the action of a series of essence to start the exploitation and the use of electric automobile.Stipulate to have before China to 2012 year 10% automobile to use and to replace fuel.Accelerate electric automobile marketization operation; Not only need mature technique, longer continuation of the journey mileage, sharp acceleration; More need a series of huge systems such as post-processed of charging station laying, battery to support the daily use of electric motor car, the quick charge station that especially spreads all over each corner, city is the key point that can electric motor car put goods on the market as early as possible.The development of vehicle charging technology has restricted the development of electric automobile to a certain extent; Mostly traditional vehicle charging technology is that wired contact charging is electric automobile charging pile or charging station; Generally be to carry out through plug and socket; But when carrying out high-power charging, the danger that this charging modes exists high pressure to get an electric shock.There is friction and wear, has certain influence for fail safe, the reliability of voltage levels electric power system and shortened useful life of power equipment, simultaneously; Receive the general charging interval of charge-current limit longer; Since exist lead to connect, the interface plug, and the charging interval is long etc.; This contact charging modes has brought serious inconvenience for people's production and life, also has certain hidden danger on the safety.
Realize not having between electric power system and the electric equipment wireless power of conductor contact to become one of research direction of electric energy transmitting; Particularly high power load is filled, supplies power; The idea of wireless transmission of electricity someone very early proposed, but was but thought by a lot of scientists and can't realize at all.Because the electromagnetic energy that reflector sends disperses to transmit to all around, the mankind can't carry out centralized control to electromagnetic energy, just more out of the question are used.In November, 2006, the assistant professor of department of physics of Massachusetts Institute Technology (MIT) Sol Jia Xike (Marin Soljacic) proposes a kind of new theory that can pass through wireless power transmission techniques make use electromagnetic energy.According to the theory of Sol Jia Xike,, just can carry out energy between them and exchange as long as let the electromagnetic energy reflector on same frequency, produce resonance with receiving equipment.Its leader's 6 people groups test on this theoretical foundation.Utilize two copper wire coils to serve as resonator, a coil links to each other with power supply, as reflector; Another links to each other with desk lamp, serves as receiver.As a result, they successfully light 60 watts of electric lights over 2.13 meters of the reflectors, still; The electromagentic resonance bulky coils, and two coils will be positioned over the relative fixed position, simultaneously; Through-put power has only 60 watts, and the efficiency of transmission of electric energy has only about 40%, and certain electromagnetic radiation etc. is arranged; Can only be under test, can't carry out large tracts of land and promote.Chinese patent bulletin CN2504773Y discloses a kind of " non-contact type charger apparatus " and specifically introduced: this wireless charger comprises a charger and a power brick; Be provided with ultrasonic vibrator and emission resonator in charger inside; Be loaded with in the power brick and accept resonator; This non-contact type can be realized not needing connection line to reach the purpose that charges the battery, but its complex structure energy conversion efficiency is low, and energy loss is big.Also having Chinese patent bulletin CN1701905 to disclose " forceful electric power magnetic inductive coupling formula charger " has introduced: this charger comprises primary source circuit structure part, secondary power circuit structure part; Primary source circuit structure part input is connected with AC power; The secondary power circuit structure partly comprises rectification, filter circuit; Its output termination rechargeable battery, the output of primary source circuit structure part is a primary coil, primary coil is on the stem stem of half annular magnetic core body; The input of secondary power circuit structure part is a secondary coil; Secondary coil is on the stem stem of second half annular magnetic core body, and semi-circular magnetic core array on the primary coil and the semiorbicular magnetic core array on the secondary coil lump together and form complete annular magnetic core body, form complete toroid during work.This non-contact type can be realized not needing connection line to reach the purpose that charges the battery; But there is certain clearance in technical scheme between two semiorbicular magnetic core arrays up and down when being applied in charging electric vehicle; Simultaneously, be difficult to lump together the complete annular magnetic core body of formation to two semiorbicular magnetic core arrays, charge efficiency is low; Operation easier is big, and it is dangerous to form the certain electromagnetic radiation easily.This shows that wireless technology of transmission of electricity power is little, efficient is low and the contact charging technique time long and uneasy congruent defective has influenced The development in society and economy; Particularly influence popularizing and promoting of electric automobile; Influence the realization of target for energy-saving and emission-reduction, above problem needs to be resolved hurrily.
Summary of the invention:
In order to overcome the existing little efficient of wireless technology of transmission of electricity power low and contact charging technique time length and uneasy congruent defective, the present invention provides a kind of forceful electric power magnetic coupling type electric automobile wireless charging device.The know-why of this device is an electromagnetic induction principle.The technical solution adopted for the present invention to solve the technical problems is: a kind of forceful electric power magnetic coupling type electric automobile wireless charging device comprises: mains supply, elementary rectifier filter, primary converter; The primary coil of separable electromagnetic coupler, movable primary coil support, separable electromagnetic coupler secondary coil; Gather magnetic core, movable secondary coil support, secondary commutation filter; Charge controller, storage battery, electric automobile.At first mains supply then adopts the industrial-frequency alternating current of 220V, is input to elementary rectifier filter to industrial-frequency alternating current, and elementary rectifier filter adopts full bridge rectifier; From elementary rectifier filter output galvanic current, galvanic voltage range is 12-800V, and this galvanic current inputs to primary converter; After primary converter is carried out the high-frequency inversion conversion; Output frequency is the high-frequency alternating current of 10-1000KHz, also can directly use the industrial-frequency alternating current of 50Hz without the converter conversion, and this alternating current is delivered to the primary coil of separable electromagnetic coupler; In the primary coil of separable electromagnetic coupler the magnetic core of gathering is arranged; Gather the end protrusion primary coil 0-50mm of magnetic core, be installed on the movable primary coil support, movable primary coil support fixes on the ground or below ground; Movable primary coil support can move up and down 0-500mm; Separable electromagnetic coupler secondary coil is installed on the movable secondary coil support of electric automobile bottom, and movable primary coil support can move up and down 0-50mm, and the primary coil that separates electromagnetic coupler can move up and down with separable electromagnetic coupler secondary coil through movable primary coil support and move up and down the coupling of generation forceful electric power magnetic through movable secondary coil support; Realize the power transfer of high-magnetodensity degree like this, transmission of power efficient is improved greatly.Former and deputy two coils all are circular, and two area coils equate that the turn ratio of former secondary coil is 1-300; What the secondary coil port was exported is high-frequency alternating current, after the rectification of secondary commutation filter, charges to Vehicular accumulator cell through charge controller; Vehicle-mounted charge controller control has signal and the primary coil system that separates electromagnetic coupler and the secondary coil interconnection that separates electromagnetic coupler respectively, when electricity is open to the traffic when needing charging, electric automobile be parked in the separation electromagnetic coupler primary coil directly over; Charge controller sends signal; Movable primary coil support and movable secondary coil support are moved in opposite directions, and the end that gathers the magnetic core protrusion in the primary coil of separable electromagnetic coupler inserts in the separable electromagnetic coupler secondary coil, realizes the coupling of forceful electric power magnetic; Vehicular accumulator cell is charged; After the Vehicular accumulator cell charging finishes, make movable primary coil support and movable secondary coil support automatically reply reset condition respectively, accomplish one time charging process.
Beneficial effect of the present invention:
1, adopts the radio energy conveying system, make electric energy transmitting break away from traditional lead transmission mode, tackle at the safe and convenient more of supplying power;
2, the former and deputy coil that separates electromagnetic coupler is installed in respectively on fixed position and the electric automobile, big convenience to the charging process of electric automobile;
3, adopt former and deputy sideline circle to relatively move, realized the coupling of forceful electric power magnetic, improved the efficient of unlimited charging greatly.
Description of drawings:
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Fig. 1, for a kind of forceful electric power magnetic coupling type of the present invention electric automobile wireless charging device sketch map
Among the figure: 1,220V civil power inlet, 2, elementary rectifier filter, 3, primary converter; 4, the primary coil of separable electromagnetic coupler, 5, gather magnetic core, 6, movable primary coil support; 7, the secondary coil of separable electromagnetic coupler, 8, movable secondary coil support, 9, the secondary commutation filter; 10, charge controller, 11, storage battery, 12, electric automobile.
Embodiment:
With reference to Fig. 1, a kind of forceful electric power magnetic coupling type electric automobile wireless charging device comprises: 1,220V civil power inlet, 2, elementary rectifier filter, 3, primary converter; 4, the primary coil of separable electromagnetic coupler, 5, gather magnetic core, 6, movable primary coil support; 7, the secondary coil of separable electromagnetic coupler, 8, movable secondary coil support, 9, the secondary commutation filter; 10, charge controller, 11, storage battery, 12, electric automobile.During enforcement at first charge controller 10 send signal, electric automobile 12 rest in separable electromagnetic coupler primary coil 4 directly over, movable primary coil support 6 moves up; Simultaneously movable secondary coil support 8 moves down, and makes the protruding end of gathering magnetic core 5 on the primary coil 4 of separable electromagnetic coupler, inserts in the secondary coil 7 of separable electromagnetic coupler; Realize the coupling of forceful electric power magnetic; Wireless charging device work is the electric supply of wireless charging device with the industrial-frequency alternating current 1 of 220V, and industrial-frequency alternating current is through the rectifying and wave-filtering of elementary rectifier filter 2; Output galvanic current power; Through the inversion conversion of primary converter 3, output frequency is the 0.5K-1000KH high-frequency alternating current, and this high-frequency alternating current inputs to the primary coil 4 of separable electromagnetic coupler; The coupling of forceful electric power magnetic takes place through gathering magnetic core 5 in the primary coil 4 of separable electromagnetic coupler and the secondary coil 7 of separable electromagnetic coupler; Realize electric energy transmitting, the electric energy input secondary commutation filter 9 that the secondary coil 7 of separable electromagnetic coupler obtains is exported galvanic current after 9 rectifications of secondary commutation filter; Through of the charging of charge controller 10 control backs to the Vehicular accumulator cell 11 of electric automobile 10; After storage battery was full of, charge controller sent the signal wireless charging device and stops charging, and movable former and deputy sideline coil support returns to reset condition.
Claims (8)
1. a forceful electric power magnetic coupling type electric automobile wireless charging device comprises: mains supply, elementary rectifier filter, primary converter; The primary coil of separable electromagnetic coupler, movable primary coil support, separable electromagnetic coupler secondary coil; Gather magnetic core, movable secondary coil support, secondary commutation filter; Charge controller, storage battery, electric automobile; It is characterized in that in the primary coil of separable electromagnetic coupler the magnetic core of gathering being arranged; Be installed on the movable primary coil support; Movable primary coil support fixes on the ground or below ground; Separable electromagnetic coupler secondary coil is installed on the movable secondary coil support of electric automobile bottom; The primary coil that separates electromagnetic coupler can move up and down with separable electromagnetic coupler secondary coil through movable primary coil support and move up and down the coupling of generation forceful electric power magnetic through movable secondary coil support, realizes the power transfer of high-magnetodensity degree like this.
2. a kind of forceful electric power magnetic coupling type electric automobile wireless charging device according to claim 1; It is characterized in that described movable primary coil support fixes on the ground or below ground; Movable primary coil support can move up and down 0-500mm; Separable electromagnetic coupler secondary coil is installed on the movable secondary coil support of electric automobile bottom, and movable primary coil support can move up and down 0-50mm.
3. a kind of forceful electric power magnetic coupling type electric automobile wireless charging device according to claim 1 is characterized in that described former and deputy two coils all are circular, and two area coils equate that the turn ratio of former secondary coil is 1-300.
4. a kind of forceful electric power magnetic coupling type electric automobile wireless charging device according to claim 1 is characterized in that in the primary coil of described separation electromagnetic coupler the magnetic core of gathering being arranged, and gathers the end protrusion primary coil 0-50mm of magnetic core.
5. a kind of forceful electric power magnetic coupling type electric automobile wireless charging device according to claim 1; It is characterized in that described primary converter; After primary converter is carried out the high-frequency inversion conversion; Output frequency is the high-frequency alternating current of 10-1000KHz, also can directly use the industrial-frequency alternating current of 50Hz without the converter conversion, and this alternating current is delivered to the primary coil of separable electromagnetic coupler.
6. a kind of forceful electric power magnetic coupling type electric automobile wireless charging device according to claim 1 is characterized in that described vehicle-mounted charge controller control has signal and primary coil system that separates electromagnetic coupler and the secondary coil interconnection that separates electromagnetic coupler respectively.
7. according to claim 1,2,4 or 6 described a kind of forceful electric power magnetic coupling type electric automobile wireless charging devices; When it is characterized in that described charging electric vehicle; Be parked in the primary coil that separates electromagnetic coupler directly over; Charge controller sends signal, and movable primary coil support and movable secondary coil support are moved in opposite directions, and the end that gathers the magnetic core protrusion in the primary coil of separable electromagnetic coupler inserts in the separable electromagnetic coupler secondary coil; Realize the coupling of forceful electric power magnetic, Vehicular accumulator cell is charged.
8. according to claim 1 or 6 described a kind of forceful electric power magnetic coupling type electric automobile wireless charging devices; It is characterized in that described after the Vehicular accumulator cell charging finishes; Charge controller sends signal, makes movable primary coil support and movable secondary coil support automatically reply reset condition respectively.
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| CN201110276928A CN102324776A (en) | 2011-09-19 | 2011-09-19 | Strong electromagnetic coupling wireless charging device for electric vehicle |
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| CN201110276928A CN102324776A (en) | 2011-09-19 | 2011-09-19 | Strong electromagnetic coupling wireless charging device for electric vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112356A (en) * | 2013-01-28 | 2013-05-22 | 中国民航大学 | Device for improving electric automobile contactless power transfer efficiency |
| CN103151814A (en) * | 2013-02-27 | 2013-06-12 | 东南大学 | Solar wireless electric vehicle charging station |
| CN104079037A (en) * | 2014-07-17 | 2014-10-01 | 青永聪 | Electric automobile electromagnetic coupling wireless charging device |
| CN104467131A (en) * | 2014-12-10 | 2015-03-25 | 上海斐讯数据通信技术有限公司 | Automatic wireless charging system based on WiFi positioning and method thereof |
| CN104901434A (en) * | 2015-06-02 | 2015-09-09 | 中国民航大学 | Electric vehicle wireless charging and automatic alignment control device based on energy detection |
| CN105958594A (en) * | 2016-06-17 | 2016-09-21 | 中国矿业大学(北京) | Inductively coupled power transmission-based mining electric locomotive charging system and method |
| CN106335386A (en) * | 2015-07-07 | 2017-01-18 | 福特全球技术公司 | Vehicle Charging System |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050194926A1 (en) * | 2004-03-02 | 2005-09-08 | Di Stefano Michael V. | Wireless battery charger via carrier frequency signal |
| CN101353025A (en) * | 2008-09-24 | 2009-01-28 | 赵勇 | Underground electric supply straight line motor traction road transport system |
| CN201616696U (en) * | 2009-11-30 | 2010-10-27 | 奇瑞汽车股份有限公司 | Wireless charging circuit of lithium battery of electric vehicle |
| CN201674240U (en) * | 2010-04-28 | 2010-12-15 | 汤澍 | Wireless charger for electric vehicle |
| CN102035239A (en) * | 2011-01-11 | 2011-04-27 | 王干 | Movable electric automobile wireless charging device |
| CN202276176U (en) * | 2011-09-19 | 2012-06-13 | 王干 | Powerful electromagnetic coupling type wireless electrical vehicle charging device |
-
2011
- 2011-09-19 CN CN201110276928A patent/CN102324776A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050194926A1 (en) * | 2004-03-02 | 2005-09-08 | Di Stefano Michael V. | Wireless battery charger via carrier frequency signal |
| CN101353025A (en) * | 2008-09-24 | 2009-01-28 | 赵勇 | Underground electric supply straight line motor traction road transport system |
| CN201616696U (en) * | 2009-11-30 | 2010-10-27 | 奇瑞汽车股份有限公司 | Wireless charging circuit of lithium battery of electric vehicle |
| CN201674240U (en) * | 2010-04-28 | 2010-12-15 | 汤澍 | Wireless charger for electric vehicle |
| CN102035239A (en) * | 2011-01-11 | 2011-04-27 | 王干 | Movable electric automobile wireless charging device |
| CN202276176U (en) * | 2011-09-19 | 2012-06-13 | 王干 | Powerful electromagnetic coupling type wireless electrical vehicle charging device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112356A (en) * | 2013-01-28 | 2013-05-22 | 中国民航大学 | Device for improving electric automobile contactless power transfer efficiency |
| CN103151814A (en) * | 2013-02-27 | 2013-06-12 | 东南大学 | Solar wireless electric vehicle charging station |
| CN104079037A (en) * | 2014-07-17 | 2014-10-01 | 青永聪 | Electric automobile electromagnetic coupling wireless charging device |
| CN104079037B (en) * | 2014-07-17 | 2016-05-04 | 青永聪 | A kind of electric automobile electromagnetic coupled formula wireless charging device |
| CN104467131A (en) * | 2014-12-10 | 2015-03-25 | 上海斐讯数据通信技术有限公司 | Automatic wireless charging system based on WiFi positioning and method thereof |
| CN104901434A (en) * | 2015-06-02 | 2015-09-09 | 中国民航大学 | Electric vehicle wireless charging and automatic alignment control device based on energy detection |
| CN106335386A (en) * | 2015-07-07 | 2017-01-18 | 福特全球技术公司 | Vehicle Charging System |
| CN105958594A (en) * | 2016-06-17 | 2016-09-21 | 中国矿业大学(北京) | Inductively coupled power transmission-based mining electric locomotive charging system and method |
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Application publication date: 20120118 |