CN105356562B - One kind segmentation online dynamic radio electric power system of emission-type electric automobile - Google Patents
One kind segmentation online dynamic radio electric power system of emission-type electric automobile Download PDFInfo
- Publication number
- CN105356562B CN105356562B CN201510822026.9A CN201510822026A CN105356562B CN 105356562 B CN105356562 B CN 105356562B CN 201510822026 A CN201510822026 A CN 201510822026A CN 105356562 B CN105356562 B CN 105356562B
- Authority
- CN
- China
- Prior art keywords
- energy
- coil
- vehicle
- electric
- high frequency
- 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.)
- Active
Links
- 230000011218 segmentation Effects 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 10
- 230000018109 developmental process Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 244000170916 Paeonia officinalis Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 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
- 238000010892 electric spark Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
Classifications
-
- H02J7/025—
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of new online dynamic radio electric power system of segmentation emission-type electric automobile, including：The road surface energy transmitting end device being made up of high frequency electric source, high frequency multiple twin power supply buses, grammed switch, switch controller and segmented emitter；The vehicle-mounted energy receiving end device being made up of energy acceptance device, rectification Power Regulation and cell load；The vehicle carried pick device being made up of detection device, detection load, current detector, analog-digital converter and detection controller.Detected the position of electric automobile in real time by rheologyization by search coil, positional information is sent to road surface receiving terminal through radio communication, corresponding energy transmitting coil access circuit is switched by grammed switch action, energy is sent to vehicle-mounted energy receiving terminal through wireless transmission method, realizes the dynamic electric energy supplement during electric automobile during traveling.The present invention advantageously accounts for the problem of frequent endurance of charging electric vehicle is poor.
Description
Technical field
The online dynamic radio electric power system of emission-type electric automobile is segmented the present invention relates to one kind.
Background technology
With the exhaustion and the exacerbation of environmental problem of the traditional energies such as oil, coal, energy-saving and emission-reduction, reduction are fired to fossil
The dependence of material, development new energy technology turns into the problem of China's sustainable economic development are in the urgent need to address.Handed over as solution
The important means of the logical, energy and environmental problem, electric automobile, with electrical energy drive motor, is the direction of future automobile industrial development,
It is also one of strategic industry that China gives priority to, is formulated according to China《Energy-conservation and new-energy automobile industrial development planning
(2011-2020)》, the year two thousand thirty, national electric automobile was expected that recoverable amount is up to 60,000,000, it is anticipated that electric automobile
Large-scale development is following development trend, if using each charging electric vehicle power as 10 kilowatts of measuring and calculating, its capacity is up to 6
Hundred million kilowatts, the 26% of estimated 23.2 hundred million kilowatts of the total installation of generating capacity in the year two thousand thirty whole nation is accounted for, the development of extensive electric automobile is to power network
Bring new challenge and opportunity.
Electric automobile is able to fast development, and automobile is progressively breaking away from the dependence to fossil energy, from orthodox car development
To hybrid electric vehicle, pure electric automobile is finally transitioned into.But the energy density of on-vehicle battery is even difficult to and gasoline phase at present
Than although as the continuous progress of electricity storage technology, lithium ion battery progressively instead of lead-acid accumulator, and subproblem is able to
Improve, electric automobile stills need the battery pack of both bulk as power source storage device, and electric automobile is relatively limited in addition
Endurance be still restrict Development of Electric Vehicles key factor.
Wireless power transmission technology is one of electric energy transmission technology relatively new type at present, can be kept away by media such as air
The direct physical connection for opening cable realizes effective transmission of energy, relies on the technologies such as sensing, magnetic coupling resonance, microwave to realize
Transmission range be several centimetres to several meters, several watts to tens kilowatts of transimission power, can meet completely electric automobile charge-discharge electric power with
The demand of distance, while also possessing power supply mode flexibly, prosthetic is inserted in environmental protection, contactless electric spark, charging process
Pull out operation, without series of advantages such as mechanism wears.
Current wireless power transmission technology has shown good application situation on the static wireless charging of electric automobile,
And also achieve larger breakthrough on the static wireless charging of electric automobile both at home and abroad.Although static type wireless charging technology
Can meet the requirement of charging electric vehicle substantially on the power and efficiency of wireless charging, but electric automobile still need it is huge stupid
The battery pack of weight is used as power source storage device.
The content of the invention
Goal of the invention：For above-mentioned prior art, propose that a kind of segmentation online dynamic radio of emission-type electric automobile is powered
System, realizes the dynamic charging in electric automobile during traveling.
Technical scheme：One kind segmentation online dynamic radio electric power system of emission-type electric automobile, including the transmitting of road surface energy
Device, vehicle-mounted energy reception device, vehicle carried pick device；Wherein, the road surface energy emitting device includes high frequency electric source, connection
Segmented emitter, the first wireless communication module of the high frequency electric source；The segmented emitter is included along vehicle row
The n transmitting coil that inbound path is set gradually, each transmitting coil connects a grammed switch and is connected in series to high frequency electric source loop, institute
There is grammed switch by switch controller control；The vehicle-mounted energy reception device includes energy acceptance coil；It is described vehicle-mounted
Locating and detecting device includes search coil, detection load, current detector, analog-digital converter, detection controller, the second channel radio
Believe module；The size of the search coil is less than energy transmitting coil, and the search coil and energy acceptance coil are long along car body
Degree direction is arranged side by side, and the detection load is connected after the output end series resonant capacitance of the search coil；The electric current inspection
Surveying device is used to detect the curent change on search coil and is sent after being changed through analog-digital converter to detection controller, works as detection line
When circle is moved from transmitting coil mediad transmitting coil edge, the electric current for detecting search coil becomes big from small, according to the electricity
The distance of rheology law and transmitting coil and search coil central point draws the position of vehicle opposite segments formula emitter,
And sent to the first wireless communication module and transmitted to the switch controller by second wireless communication module；It is described to cut
Changer controller controls the break-make of transmitting coil, control road surface energy transmitting dress according to the position of vehicle opposite segments formula emitter
Put and electric energy persistently is transmitted to vehicle-mounted energy reception device.
Further, the energy conveying circuit from high frequency electric source to each transmitting coil uses high frequency multiple twin bus.
Beneficial effect：A kind of segmentation online dynamic radio electric power system of emission-type electric automobile of the present invention, by vehicle-mounted
Positioner detects the position of the electric automobile in current driving in real time, and positional information is sent into road surface through radio communication receives
End, switches corresponding energy transmitting coil by grammed switch action and accesses circuit, energy is sent to vehicle-mounted through wireless transmission method
Energy acceptance end, realizes the dynamic electric energy supplement during electric automobile during traveling.It can be lacked using dynamic radio power supply mode
Load does not carry battery even, it is possible to achieve electric automobile continuously drives, in theory in the presence of unlimited endurance.
Brief description of the drawings
Fig. 1 is the structural representation of present system.
Embodiment
The present invention is done below in conjunction with the accompanying drawings and further explained.
As shown in figure 1, a kind of segmentation online dynamic radio electric power system of emission-type electric automobile, including the transmitting of road surface energy
Device, vehicle-mounted energy reception device, vehicle carried pick device.
Wherein, road surface energy emitting device includes high frequency electric source, the segmented emitter for connecting high frequency electric source, the first nothing
Line communication module.Segmented emitter is included in the hair for the n electric capacity containing resonance compensation being arranged side by side on vehicle travel path
Ray circle, each transmitting coil connects a grammed switch, and grammed switch is all connected to a switch controller.High frequency electric source by
The high-frequency inverter output of connection power network is obtained, and power network power current commutation inversion is high-frequency alternating current by high-frequency inverter.From
High-frequency inverter output end uses high frequency multiple twin bus to the energy conveying circuit of each transmitting coil, and high-frequency electrical is passed through to reduce
Electromagnetic radiation during stream, the mode in each transmitting coil access high frequency electric source loop accesses for series connection, it is ensured that transmitting terminal energy is launched
Circuit only exists unitary series of operations loop.As shown in figure 1, each grammed switch includes two contacts, when in 0 position of diagram electric shock
When, correspondence energy transmitting coil does not access circuit, and when getting an electric shock 1 position in diagram, correspondence energy transmitting coil is with the side of series connection
Formula accesses loop.
Vehicle-mounted energy reception device includes the energy acceptance coil of the electric capacity containing resonance compensation, and the energy acceptance coil passes through whole
Stream power regulation circuit is connected to the cell load of electric automobile.Energy acceptance coil and each transmitting coil in segmented emitter
The copper coil of square spiral is used, and size is identical, the number of turn is identical.Each transmitting coil in segmented emitter can be with
Energy acceptance coil on electric automobile carries out wireless power transmission.The position of transmitting coil and energy acceptance coil can be according to reality
Border is needed in choice arrangement position, the present embodiment, and each transmitting coil in segmented emitter is spread by vehicle running path
It is located on track, energy acceptance coil is arranged on vehicle chassis center line, and positioned at the postmedian of vehicle.
Vehicle positioning detection means includes the search coil of the resonant capacitance containing compensation, detection load, current detector, modulus
Converter, detection controller, the second wireless communication module.Connecting detection is loaded after search coil output end series resonant capacitance,
The size of search coil is less than energy transmitting coil and to be square, search coil and energy acceptance coil along length over ends of body direction simultaneously
Row is set, i.e., search coil is equally arranged on the center line of vehicle chassis, and search coil is located at Vehicular body front and and energy acceptance
There is certain distance between coil.
It is segmented in the online dynamic radio electric power system of emission-type electric automobile, vehicle carried pick device is used comprising compensation resonance
The search coil of electric capacity is as detection device, when vehicle is advanced along track, and the hair contacted first when vehicle is reached is connected in advance
Ray circle；When vehicle positioning detection means positioned at Chinese herbaceous peony portion is entered with garage, as illustrated, when search coil is launched from first
When coil mediad coil edge is moved, changed from weak to strong from coil center to the magnetic field of coil edge, current detector can be examined
The curent change that search coil is output to detection load is measured, and is sent after being converted into data signal through analog-digital converter to detecting
Controller.When current detector detects electric current every time and slightly has increase, it can determine whether that electric automobile has driven to present power-up transmitting
The edge of coil, so that it is determined that search coil is located at the position of which transmitting coil.According to transmitting coil and search coil
The distance of central point draws the position of vehicle opposite segments formula emitter.And by detecting the second channel radio that controller is connected
Letter module is sent to the first wireless communication module, and the first wireless communication module transmits the relative position of vehicle to switching control
Device；Switch controller controls the break-make of each transmitting coil according to the position of vehicle opposite segments formula emitter, by electric automobile
The energization transmitting coil passed through cuts off out electric power loop, and circuit is accessed by will travel to the transmitting coil that reaches；When corresponding
When road surface energy transmitting coil connects high frequency electric source, space produces high frequency magnetic field, magnetic field energy is converted electrical energy into, through energy acceptance
Coil is reduced into electric current again, then obtains the electric energy that suitable cell load charges through over commutation power regulation circuit so that road surface energy
Emitter persistently transmits electric energy to vehicle-mounted energy reception device, realizes the dynamic supplement electricity during electric automobile during traveling
Energy.Wherein, the design of rectification power regulation circuit need to design the ginseng such as corresponding charging voltage grade according to the cell load of electric automobile
Number.
In the present embodiment, first, second wireless communication module selects NRF24L01 short-range wireless communication modules.Switching control
Device is from high speed microprocessor control unit such as DSP, for controlling the grammed switch of each transmitting coil break-make to use with program control
Function and contactor or relay with double-contact.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
1. one kind segmentation online dynamic radio electric power system of emission-type electric automobile, it is characterised in that：Including the transmitting of road surface energy
Device, vehicle-mounted energy reception device, vehicle carried pick device；Wherein, the road surface energy emitting device includes high frequency electric source, connection
Segmented emitter, the first wireless communication module of the high frequency electric source；The segmented emitter is included along vehicle row
The n transmitting coil that inbound path is set gradually, each transmitting coil connects a grammed switch and is connected in series to high frequency electric source loop, institute
There is grammed switch by switch controller control；The vehicle-mounted energy reception device includes energy acceptance coil；It is described vehicle-mounted
Positioner includes search coil, detection load, current detector, analog-digital converter, detection controller, the second radio communication mold
Block；The size of the search coil is less than energy transmitting coil, and the search coil and energy acceptance coil are along length over ends of body side
To being arranged side by side, the detection load is connected after the output end series resonant capacitance of the search coil；The current detector
For detecting the curent change on search coil and sending after being changed through analog-digital converter to detection controller, when detection coil from
When transmitting coil mediad transmitting coil edge is moved, the electric current for detecting search coil becomes big from small, is become according to the electric current
The distance of law and transmitting coil and search coil central point draws the position of vehicle opposite segments formula emitter, and leads to
Cross second wireless communication module and send to the first wireless communication module and transmit to the switch controller；The switching control
Device processed controls the break-make of transmitting coil according to the position of vehicle opposite segments formula emitter, and control road surface energy emitting device is held
It is continuous that electric energy is transmitted to vehicle-mounted energy reception device.
2. a kind of segmentation online dynamic radio electric power system of emission-type electric automobile according to claim 1, its feature exists
In：Energy conveying circuit from high frequency electric source to each transmitting coil uses high frequency multiple twin bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510822026.9A CN105356562B (en) | 2015-11-24 | 2015-11-24 | One kind segmentation online dynamic radio electric power system of emission-type electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510822026.9A CN105356562B (en) | 2015-11-24 | 2015-11-24 | One kind segmentation online dynamic radio electric power system of emission-type electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105356562A CN105356562A (en) | 2016-02-24 |
| CN105356562B true CN105356562B (en) | 2017-09-15 |
Family
ID=55332470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510822026.9A Active CN105356562B (en) | 2015-11-24 | 2015-11-24 | One kind segmentation online dynamic radio electric power system of emission-type electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105356562B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10086715B2 (en) * | 2016-04-05 | 2018-10-02 | Hyundai America Technical Center, Inc. | EV wireless charging adjustable flux angle charger |
| CN107839486A (en) * | 2016-09-21 | 2018-03-27 | 天津工业大学 | A kind of energy coupling structure applied to dynamic radio electric power system designs |
| CN107846081A (en) * | 2016-09-21 | 2018-03-27 | 天津工业大学 | A kind of dynamic radio electric power system 3 D electromagnetic coupled structure design |
| CN106394297A (en) * | 2016-10-28 | 2017-02-15 | 武汉大学 | Non-contact type uninterrupted power supply system and power supply method |
| CN106965689B (en) * | 2017-03-20 | 2020-01-07 | 无锡市沃乐思科技有限公司 | Wireless power transmission system in dynamic operation of electric automobile |
| CN107031443B (en) * | 2017-04-06 | 2019-09-20 | 深圳市华禹无线供电技术有限公司 | A kind of dynamic radio conducts electricity channel, road, system |
| CN107181326B (en) * | 2017-04-27 | 2020-02-07 | 上海蔚来汽车有限公司 | Electric vehicle wireless charging transmitting system and transmitting coil switching method and device thereof |
| CN107176045B (en) * | 2017-04-28 | 2019-03-01 | 中惠创智无线供电技术有限公司 | For the dynamic induction wireless charging system of vehicle and the charging system of vehicle |
| CN108448740B (en) * | 2018-03-13 | 2022-03-25 | 武汉理工大学 | Dynamic wireless energy transmission circuit system and primary side multi-coil real-time switching method thereof |
| CN110525239B (en) * | 2018-05-25 | 2022-09-06 | 比亚迪股份有限公司 | Wireless charging system for rail transit system and rail transit system |
| CN108767956B (en) * | 2018-07-03 | 2020-05-29 | 浙江中创天成科技有限公司 | Dynamic wireless power transmission system and passive control method thereof |
| CN110014906A (en) * | 2018-08-17 | 2019-07-16 | 广西电网有限责任公司电力科学研究院 | A kind of dynamic radio charging system and control method based on vehicle-mounted RFID reader |
| CN110893778A (en) * | 2018-08-22 | 2020-03-20 | 郑州宇通客车股份有限公司 | Dynamic wireless charging method and device for electric automobile |
| CN109664793A (en) * | 2018-12-19 | 2019-04-23 | 国网江苏省电力有限公司 | A kind of monitoring method of the wireless charging automobile position based on ground induction coil |
| CN109664778A (en) * | 2018-12-19 | 2019-04-23 | 国网江苏省电力有限公司 | A kind of electric car dynamic radio charging system based on short sectional coil |
| CN109572458B (en) * | 2018-12-25 | 2024-05-28 | 华北电力大学（保定） | Dynamic wireless charging system of dual-band electric automobile and guide rail switching method thereof |
| CN109532527B (en) * | 2019-01-10 | 2024-01-19 | 国网冀北电力有限公司电力科学研究院 | V2X dynamic wireless energy bidirectional pushing system and method for electric automobile |
| CN112721672B (en) * | 2020-12-30 | 2023-10-20 | 哈尔滨宇龙自动化有限公司 | Leakage magnetic field regulation and control system and method for dynamic wireless power supply system |
| CN114545109B (en) * | 2021-12-14 | 2023-12-01 | 西南交通大学 | Comprehensive experiment platform for open type high-speed dynamic wireless power supply system |
| CN114312381B (en) * | 2022-01-07 | 2024-03-29 | 重庆大学 | Dynamic wireless energy signal simultaneous transmission system of electric automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2489107B1 (en) * | 2009-11-13 | 2013-05-29 | Panasonic Corporation | Electric power supply system for vehicle |
| CN104362771A (en) * | 2014-11-10 | 2015-02-18 | 刘跃进 | Dynamic magnetic coupling resonance array technology supporting wireless mobile charging of electric vehicle |
| CN104682580A (en) * | 2015-03-24 | 2015-06-03 | 哈尔滨工业大学 | Dynamic wireless power supply system used for electric vehicle and based on parallel multistage composite resonant structures and power supply method realized by adopting system |
| CN105048650A (en) * | 2015-08-12 | 2015-11-11 | 中国科学院电工研究所 | Wireless energy transmission device for running charging of electric automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9985463B2 (en) * | 2013-11-01 | 2018-05-29 | Panasonic Intellectual Property Management Co., Ltd. | Mobile terminal charging device and vehicle equipped with same |
-
2015
- 2015-11-24 CN CN201510822026.9A patent/CN105356562B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2489107B1 (en) * | 2009-11-13 | 2013-05-29 | Panasonic Corporation | Electric power supply system for vehicle |
| CN104362771A (en) * | 2014-11-10 | 2015-02-18 | 刘跃进 | Dynamic magnetic coupling resonance array technology supporting wireless mobile charging of electric vehicle |
| CN104682580A (en) * | 2015-03-24 | 2015-06-03 | 哈尔滨工业大学 | Dynamic wireless power supply system used for electric vehicle and based on parallel multistage composite resonant structures and power supply method realized by adopting system |
| CN105048650A (en) * | 2015-08-12 | 2015-11-11 | 中国科学院电工研究所 | Wireless energy transmission device for running charging of electric automobile |
Non-Patent Citations (1)
| Title |
|---|
| 磁耦合谐振式无线电能传输***串并式模型研究;黄学良等;《电工技术学报》;20130331;第28卷(第3期);第171-176页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105356562A (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105356562B (en) | One kind segmentation online dynamic radio electric power system of emission-type electric automobile | |
| CN203707844U (en) | Electric-automobile wireless charging control system based on automobile moving direction inspection | |
| CN107571753B (en) | A kind of dynamic radio charging Automatic Alignment System and its control method based on electric bus docking process | |
| CN104682581B (en) | Movable equipment dynamic radio electric supply installation and dynamic radio method of supplying power to thereof based on sectional guide rail equilibrium field intensity | |
| CN104682580A (en) | Dynamic wireless power supply system used for electric vehicle and based on parallel multistage composite resonant structures and power supply method realized by adopting system | |
| CN103917400A (en) | Power receiving device of vehicle, power transmitting device, and noncontact power transmitting/receiving system | |
| CN105453383B (en) | Contactless power receiving device | |
| CN109733420B (en) | Train storage battery traction system and method and train | |
| CN206086429U (en) | A wireless charging system of vehicle for disposing at bus stop | |
| CN105946626A (en) | Powered device and system for urban track traffic | |
| CN105119392A (en) | Electric car dynamic wireless power supply system based on resonance magnetic coupling technology and method | |
| CN213676396U (en) | Non-contact power supply system and rail transit train | |
| WO2021042583A1 (en) | Power battery energy storage-type tramcar charging system and charging method therefor | |
| CN201616696U (en) | Wireless charging circuit of lithium battery of electric vehicle | |
| CN103192724A (en) | Trolley bus power system and power-grid-connected operation method and power-grid-free operation method thereof | |
| CN102638080A (en) | Wireless charge-discharge parking space self-adaption device of electric automobile and application method thereof | |
| CN102019889B (en) | Electric vehicle and control system thereof | |
| CN106004485B (en) | A kind of OLEV systems of control based on sensory energy output | |
| CN109532526A (en) | The electric motor car wireless charging system and control method of ground surface end twin coil position detection | |
| CN202213503U (en) | Power supply system for urban rail vehicle, and urban rail vehicle | |
| CN205737015U (en) | Omnidistance without net type urban track traffic current-collecting device and system | |
| CN110450658A (en) | The position detecting device of antenna dynamic radio charging electric automobile is carried based on orientation pcb board | |
| CN110518705A (en) | It is a kind of can wireless charging mobile device | |
| CN109664793A (en) | A kind of monitoring method of the wireless charging automobile position based on ground induction coil | |
| CN109228882A (en) | A kind of electric vehicle ground power supply system and method for supplying power to |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |