CN109130901A - A kind of electric car wireless charging method - Google Patents
A kind of electric car wireless charging method Download PDFInfo
- Publication number
- CN109130901A CN109130901A CN201810947968.3A CN201810947968A CN109130901A CN 109130901 A CN109130901 A CN 109130901A CN 201810947968 A CN201810947968 A CN 201810947968A CN 109130901 A CN109130901 A CN 109130901A
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- charging
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- electric car
- electric vehicle
- wireless charging
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000006698 induction Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims 1
- 230000008602 contraction Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A kind of electric car wireless charging method, emitter is equipped in charged area bottom, electric car bottom is equipped with reception device, it is electrically connected between reception device and the battery of electric car, resonance type wireless energy transmission is magnetically coupled between emitter and reception device, so that the battery for electric car charges；After detecting that electric car is parked in charged area, triggers the emitter and start to work；The reception device left part and right part are equipped with spring, and middle part is equipped with rotary shaft, and rotary shaft is fixed with electric car, and when the spring when two sides deforms, reception device left part and right part can be rotated because of the deformation of spring along rotary shaft.
Description
Technical field
The present invention relates to electric vehicle charging field, in particular to a kind of electric car wireless charging method.
Background technique
Electric car refers to using vehicle power supply as power, with motor driven wheels travel, meets road traffic, security legislation
The automobile of requirements.Electric car using battery provide kinetic energy, with traditional internal-combustion engines vehicle compared with it is energy saving,
The advantages such as low noise, power are strong, structure is simple, cost of upkeep is low: it does not have the exhaust gas generated when internal-combustion engines vehicle work, does not produce
Raw exhaust pollution, highly beneficial to the cleaning of environmental protection and air, the pollution directly contributed is almost nil.
When battery power deficiency, need to charge in time, at present the charging modes of mainstream all be using wired charging stake,
The mode of charger is come for electric car charging, part charging unit heaviness not only troublesome in poeration using wired charging modes
Arduously, and often there is biggish security risk, be easy to happen electric leakage, electric shock accidents, and troublesome maintenance, high failure rate, mesh
Preceding wireless charging technology has graduallyd mature, use the mode of wireless charging for electric car charging, not only facilitate it is fast, and
The safety is improved, convenient for safeguarding, and failure rate reduces.Current problem first is that, existing electric car wireless charging fails to examine
Consider influence of the magnetic flux for charge efficiency.
Summary of the invention
It is an object of the invention to solve above-mentioned electric car wireless charging of the existing technology to fail to consider magnetic flux
The problem of influencing for charge efficiency, provide a kind of electric car wireless charging method.
The technical solution adopted by the present invention to solve the technical problems is: a kind of electric car wireless charging method is filling
Electric sections bottom is equipped with emitter, and electric car bottom is equipped with reception device, the battery of reception device and electric car
Between be electrically connected, resonance type wireless energy transmission is magnetically coupled between emitter and reception device, thus be electric car
Battery charging；After detecting that electric car is parked in charged area, triggers the emitter and start to work；It is described to connect
Receiving apparatus left part and right part are equipped with spring, and middle part is equipped with rotary shaft, and rotary shaft is fixed with electric car, when the spring of two sides is sent out
When the shape that changes, reception device left part and right part can be rotated because of the deformation of spring along rotary shaft.
Further, the detection electric car be parked in charged area, in particular to: around charged area be equipped with extremely
Few four groups of position sensors, after electric car enters charged area, if detecting that wheel or car body are passed at least three groups of positions
Sensor is in contact, and is judged as that electric car has been parked in charged area.
Further, emitter and reception device resonance frequency having the same.
Further, the reception device left part and right part are equipped with spring, and two springs are consistent, and the both ends of spring are equal
It links together.
Further, the emitter includes: the LC oscillating circuit for producing electricl energy；For receiving vehicle to be charged
The receiving unit of charge request；And the control unit being connect with the LC oscillating circuit, receiving unit, for according to reception
To charge request control LC oscillating circuit output phase answer electric energy.
Further, the reception device includes: the acquiring unit for obtaining Vehicular charging request to be charged；It is described to obtain
Unit is taken to carry out wireless communication with receiving unit, the Vehicular charging to be charged request that will acquire is sent to receiving unit；For connecing
The sensor circuit for receiving electric energy, is magnetically coupled resonance type wireless energy transmission with the LC oscillating circuit；Sensor circuit with it is electronic
The battery of automobile is electrically connected, to charge the battery.
Substantial effect of the invention: the present invention by being arranged spring on the reception device, by two springs with respect to magnetic
The tangent line angle for feeling line is different, causes two spring contraction amounts different, then can draw reception device and rotate, so that
Magnetic flux across reception device is bigger, and charge efficiency is higher.
Detailed description of the invention
Fig. 1 is a kind of work flow diagram of the embodiment of the present invention.
Fig. 2 is a kind of working state schematic representation of the embodiment of the present invention.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.
A kind of electric car wireless charging method is equipped with emitter, the installation of electric car bottom in charged area bottom
There is reception device, be electrically connected between reception device and the battery of electric car, magnetic is carried out between emitter and reception device
Coupled resonance formula wireless energy transfer, so that the battery for electric car charges；When detecting that electric car is parked in charging
Behind region, triggers the emitter and start to work.Reception device left part and right part are equipped with spring, and middle part is equipped with rotary shaft,
Two springs are consistent, and reception device keeps equilibrium state.Rotary shaft is fixed with electric car, when the spring of two sides deforms
When, reception device left part and right part can be rotated because of the deformation of spring along rotary shaft.
As shown in Figure 1, emitter includes: the LC oscillating circuit for producing electricl energy；It is filled for receiving vehicle to be charged
The receiving unit of electricity request；And the control unit being connect with the LC oscillating circuit, receiving unit, it is received for basis
Charge request control LC oscillating circuit output phase answer electric energy.Reception device includes: for obtaining Vehicular charging request to be charged
Acquiring unit；The acquiring unit is carried out wireless communication with receiving unit, and the Vehicular charging to be charged request that will acquire is sent
To receiving unit；For receiving the sensor circuit of electric energy, resonance type wireless energy is magnetically coupled with the LC oscillating circuit and is passed
It is defeated；Sensor circuit is electrically connected with the battery of electric car, to charge the battery.
Between emitter and reception device, electric energy is coupled to the sense of reception device by the LC oscillating circuit of emitter
Circuit is answered, due to LC oscillating circuit and sensor circuit resonance frequency having the same, is generated under the influence of a magnetic field therebetween
EMR electromagnetic resonance constitutes an EMR electromagnetic resonance system, to realize that electric energy transmits, charges for accumulator of electric car.
Spring, which is in, to be stablized in electromagnetic field, and due to not contacting or insulating between spring single turn, spring is equivalent to one when being powered
A energization solenoid, every circle spring are equivalent to ring current, and current direction is identical in every circle spring.According to phase between same direction current
Mutually attract it is found that every circle spring all attracts each other with adjacent springs, then spring as a whole can be shunk.No matter indirect current or straight
Galvanic electricity result is identical, can all make spring contraction.As shown in Fig. 2, the rotary shaft two sides that reception device is arranged in are respectively provided with a bullet
Spring, two springs are different with respect to the tangent line angle of magnetic induction line, will lead to two spring contraction amounts differences, when the spring of two sides occurs
When contraction, reception device left part and right part can be rotated because of the contraction of spring along rotary shaft.When the secondary coupling in alternating magnetic field
When zygonema circle namely reception device and magnetic induction line are tangent, magnetic flux change is maximum, and the electromotive force sensed is also maximum.Pass through spring
So that reception device generates rotation, it is closer with magnetic induction line tangency location, so that maximum is reached by the magnetic flux of reception device,
To improve the efficiency of charging.
Detection electric car be parked in charged area, in particular to: be equipped at least four groups of positions around charged area and pass
Sensor, after electric car enters charged area, if detecting wheel or car body if at least three groups of position sensors are in contact
It is judged as that electric car has been parked in charged area.
Embodiment described above is a kind of preferable scheme of the invention, not makees limit in any form to the present invention
System, there are also other variants and remodeling on the premise of not exceeding the technical scheme recorded in the claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947968.3A CN109130901A (en) | 2018-08-20 | 2018-08-20 | A kind of electric car wireless charging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947968.3A CN109130901A (en) | 2018-08-20 | 2018-08-20 | A kind of electric car wireless charging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109130901A true CN109130901A (en) | 2019-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810947968.3A Pending CN109130901A (en) | 2018-08-20 | 2018-08-20 | A kind of electric car wireless charging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109130901A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901943A (en) * | 2009-05-27 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Charging device |
| KR20110068621A (en) * | 2009-12-16 | 2011-06-22 | 재단법인 포항산업과학연구원 | Wireless power charging device and method for automatically charging battery of electric vehicle or hybrid vehicle by electromagnetic sensitive resonance |
| CN202405807U (en) * | 2011-11-17 | 2012-08-29 | 陆忠良 | Vehicle wireless charging device |
| CN104753150A (en) * | 2015-03-24 | 2015-07-01 | 华南理工大学 | Electric vehicle advancing type wireless charging device and control method thereof |
| CN206229779U (en) * | 2016-08-24 | 2017-06-09 | 大同市三建集团有限公司 | A kind of structural steel corner material collection device |
| CN106899049A (en) * | 2015-12-21 | 2017-06-27 | 乐金电子研发中心(上海)有限公司 | Electric energy dispensing device, electric energy reception device and wireless charging system for electric automobile |
| CN107054150A (en) * | 2017-05-26 | 2017-08-18 | 浙江省能源与核技术应用研究院 | A kind of solar parking shed wireless charging/discharging thereof |
-
2018
- 2018-08-20 CN CN201810947968.3A patent/CN109130901A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901943A (en) * | 2009-05-27 | 2010-12-01 | 鸿富锦精密工业（深圳）有限公司 | Charging device |
| KR20110068621A (en) * | 2009-12-16 | 2011-06-22 | 재단법인 포항산업과학연구원 | Wireless power charging device and method for automatically charging battery of electric vehicle or hybrid vehicle by electromagnetic sensitive resonance |
| CN202405807U (en) * | 2011-11-17 | 2012-08-29 | 陆忠良 | Vehicle wireless charging device |
| CN104753150A (en) * | 2015-03-24 | 2015-07-01 | 华南理工大学 | Electric vehicle advancing type wireless charging device and control method thereof |
| CN106899049A (en) * | 2015-12-21 | 2017-06-27 | 乐金电子研发中心(上海)有限公司 | Electric energy dispensing device, electric energy reception device and wireless charging system for electric automobile |
| CN206229779U (en) * | 2016-08-24 | 2017-06-09 | 大同市三建集团有限公司 | A kind of structural steel corner material collection device |
| CN107054150A (en) * | 2017-05-26 | 2017-08-18 | 浙江省能源与核技术应用研究院 | A kind of solar parking shed wireless charging/discharging thereof |
Non-Patent Citations (1)
| Title |
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| 邓亚峰 等: "《无线供电技术》", 1 March 2013, 冶金工业出版社, pages: 7 - 11 * |
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