CN109501608A - A kind of wireless electric vehicle charging device - Google Patents
A kind of wireless electric vehicle charging device Download PDFInfo
- Publication number
- CN109501608A CN109501608A CN201910024721.9A CN201910024721A CN109501608A CN 109501608 A CN109501608 A CN 109501608A CN 201910024721 A CN201910024721 A CN 201910024721A CN 109501608 A CN109501608 A CN 109501608A
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- magnetic core
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- type structure
- crossbeam
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- 238000001914 filtration Methods 0.000 claims abstract description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 238000012546 transfer Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- 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
-
- 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
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
Abstract
The present invention provides a kind of wireless electric vehicle charging device, including being spaced the emitting module being layed on road, the receiving unit being installed on vehicle, wherein emitting module includes transmitting magnetic core, transmitting coil, transmitting coil is connect by oscillation of power unit with power module, the receiving unit includes receiving magnetic core, receiving coil, receiving coil is connect by rectification filtering unit with vehicle power unit, the H-type structure that the transmitting magnetic core is made of two stringers and a crossbeam, the crossbeam arranged direction and road direction of travel are perpendicular, the transmitting coil is wound on the crossbeam of the H-type structure；The reception magnetic core is in "-" type structure, and receiving coil is wound in the "-" type structure, receives magnetic core arranged direction and vehicle traveling direction is perpendicular.The present invention can be realized high efficiency, steady dynamic wireless energy transfer in vehicle travel process by the core shapes being rationally arranged.
Description
Technical field
The invention mainly relates to electric car wireless charging correlative technology field, specifically a kind of electric car wireless charging
Device.
Background technique
Electric car is driven by electricity by battery completion at present, but battery price is expensive, and the charging time is long, reduces electronic
The experience of automobile.
Wireless energy transmission technology is one of electric energy transmission technology relatively new type at present, does not need electrical contact transmitting electricity
Can, it can be to charge in traveling.Transimission power can reach tens kilowatts, be able to satisfy the demand of electric automobile during traveling power supply, power supply
Mode is flexible, contactless, safe ready.
The wireless charging technology generally proposed at present realizes electric energy transmission by air core coil, and this mode has to
Transmitting coil is asked to keep plane parallel with receiving coil, and hub of a spool is corresponding, it is difficult to realize in running car and charge.And have one
A little schemes propose that multiple transmitting coils are horizontally disposed, and receiving coil realizes moving charging in the mobile mode of transmitting coil upper horizontal
Electricity, still, there are still transmitting coil and when receiving coil off(-)center, electric energy efficiency of transmission seriously reduces or even transmission failure
Situation.There are also scheme, proposition magnetic core forms horizontal magnetic field, when vehicle is on road surface along vehicle movement routine parallel laid
Magnetic core above it is mobile when, receive energy.With the magnetic core of road parallel mode, magnetic field can not be blocked, and can only change direction,
The parallel magnetic core of long range causes the reception core receiver efficiency of top very low, even due to the relationship of leakage magnetic field short circuit
Magnetic field energy can not be received.
The applicant is disclosed in patent application before realizes movable type using the magnetic core and coil of rational deployment
The technical solution of charging can be good at solving the above problems.But due to magnetic core concrete shape design it is not reasonable, in reality
There are still charge efficiency is low, magnetic core is not easy the road arrangement the problem of in test process.
Summary of the invention
For the deficiency for solving current technology, the present invention combination prior art provides a kind of electronic vapour from practical application
Vehicle radio charging unit can be realized high efficiency, steady dynamic wireless energy transfer in vehicle travel process.
Technical scheme is as follows:
A kind of wireless electric vehicle charging device is provided according to an aspect of the present invention, including interval is layed on road
Emitting module, the receiving unit that is installed on vehicle, wherein emitting module includes transmitting magnetic core, transmitting coil, transmitting coil
It is connect by oscillation of power unit with power module, the receiving unit includes receiving magnetic core, receiving coil, and receiving coil passes through
Rectification filtering unit is connect with vehicle power unit, the H-type knot that the transmitting magnetic core is made of two stringers and a crossbeam
Structure, the crossbeam arranged direction and road direction of travel are perpendicular, and the transmitting coil is wound on the crossbeam of the H-type structure；Institute
It states and receives magnetic core in "-" type structure, receiving coil is wound in the "-" type structure, receives magnetic core arranged direction and vehicle row
It is perpendicular into direction.
Further, the H-type structure of the transmitting magnetic core is that empty formation is opened in in-between two sides by one piece of rectangular shaped core.
Further, the transmitting magnetic core, reception magnetic core are FERRITE CORE.
A kind of wireless electric vehicle charging device is provided according to another aspect of the present invention, including interval is layed in road
On emitting module, the receiving unit that is installed on vehicle, wherein emitting module includes transmitting magnetic core, transmitting coil, emission lines
Circle is connect by oscillation of power unit with power module, and the receiving unit includes receiving magnetic core, receiving coil, and receiving coil is logical
Over commutation filter unit is connect with vehicle power unit, the H-type for receiving magnetic core and being made of two stringers and a crossbeam
Structure, the crossbeam arranged direction and vehicle traveling direction are perpendicular, and the receiving coil is wound on the crossbeam of the H-type structure；
The transmitting magnetic core is in "-" type structure, and transmitting coil is wound in the "-" type structure, emits magnetic core arranged direction and road
Direction of travel is perpendicular.
Further, the H-type structure for receiving magnetic core is that empty formation is opened in in-between two sides by one piece of rectangular shaped core.
Further, the transmitting magnetic core, reception magnetic core are FERRITE CORE.
A kind of wireless electric vehicle charging device is provided according to another aspect of the present invention, including interval is layed in road
On emitting module, the receiving unit that is installed on vehicle, wherein emitting module includes transmitting magnetic core, transmitting coil, emission lines
Circle is connect by oscillation of power unit with power module, and the receiving unit includes receiving magnetic core, receiving coil, and receiving coil is logical
Over commutation filter unit is connect with vehicle power unit, the H-type that the transmitting magnetic core is made of two stringers and a crossbeam
Structure, the crossbeam arranged direction and road direction of travel are perpendicular, and the transmitting coil is wound on the crossbeam of the H-type structure；
The H-type structure for receiving magnetic core and being made of two stringers and a crossbeam, the crossbeam arranged direction and vehicle traveling direction
Perpendicular, the receiving coil is wound on the crossbeam of the H-type structure.
Further, the transmitting magnetic core and to receive the H-type structure of magnetic core be by one piece of rectangular shaped core by in-between two
Open empty formation in side.
Further, the transmitting magnetic core, reception magnetic core are FERRITE CORE.
Beneficial effects of the present invention:
It is set as special H-type structure by the way that at least one of magnetic core and reception magnetic core will be emitted, is conducive to magnetic field energy
Amount carries out significantly more efficient transmitting when vehicle is quickly run, to realize efficient steady dynamic wireless energy transfer；H
The core structure of type structure makes coil be wound in intermediate position, vehicle by road surface magnetic core and cross road surface magnetic core Shi Junke into
Row magnetic field is effectively transmitted, and in road arrangement magnetic core, only each magnetic core need to can guarantee magnetic field according to same intervals arrangement
The uniformity of transmitting.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram in the embodiment of the present invention 1；
Attached drawing 2 is magnetic core of the present invention and road arrangement positional diagram；
Attached drawing 3 is structural schematic diagram in the embodiment of the present invention 2；
Attached drawing 4 is structural schematic diagram in the embodiment of the present invention 3；
Attached drawing 5 is magnetic line of force direction of transfer schematic diagram when vehicle is close to road surface magnetic core in embodiment 2；
Attached drawing 6 is that vehicle is in magnetic line of force direction of transfer schematic diagram when right above magnetic core in embodiment 2；
Attached drawing 7 is that vehicle crosses magnetic line of force direction of transfer schematic diagram when right above magnetic core in embodiment 2.
Specific embodiment
With reference to the drawings and specific embodiments, the invention will be further described.It should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, this field
Technical staff can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
In wireless charging device technology provided by the invention, including the receiving portion on road surface emitting portion and vehicle.
Road surface electric energy emitting portion includes magnetic core and the coil that is wound on outside magnetic core, and alternating current converts electric energy to magnetic field by coil
Can, then launched magnetic field energy by magnetic core.Receiving portion is by core receiver magnetic field energy, and the line by being wound on outside magnetic core
Circle, is converted into electric energy for magnetic field energy.Emitting portion and the corresponding circuit of receiving portion can refer to the patent text before the applicant
Part (Publication No. CN106849375A, a kind of move vehicle of patent name wirelessly contact power supply system).
In the present invention, the magnetic core for transmitting is fixed on road surface, emits magnetic core when passing through for received magnetic core
Fang Shi completes energy transmission.It receives magnetic core and is made into specific shape, when can improve effectively mobile model, for example move 4 meters of range,
It can effectively receive, it is assumed that when the effective moving range of reception is 4 meters, Vehicle Speed per hour, runs over 4 for 100 kilometers
About 0.12 second or so the time required to rice range.If ac period is 20KHz, 0.12 second time probably included 2400 friendships
It flows the period, completes an electric energy receive process for a long time enough.If Vehicle Speed is slower, effective receiving time is more
It is long, more effectively.
Reasonable transmitting magnetic core and the structure for receiving magnetic core can guarantee that vehicle moves above the magnetic core for being fixed on road surface
When crossing entire vehicle body, can reliable reception energy, it is spaced apart, a transmitting magnetic core is set, when vehicle driving arrives these
When above magnetic core, energy is supplemented, forms relatively continuous energy transport.
How rationally for, setting transmitting magnetic core and reception magnetic core, the present invention specifically provide embodiment in three,
By the transmitting magnetic core being specifically arranged and the shape for receiving magnetic core, magnetic field is enabled to carry out in vehicle operation reasonably
Diverging can effectively receive energy during guaranteeing vehicle fast running, will not make to receive the biggish fluctuation of power appearance,
In be convenient for actual implementation so that road surface magnetic core need to be only equally spaced due to the uniform emission of the magnetic line of force.
Embodiment 1: as shown in Figure 1, in the present embodiment, the transmitting magnetic core 1 being arranged on road be by two stringers and
The H-type structure of one crossbeam composition, the crossbeam arranged direction and road direction of travel are perpendicular, stringer arranged direction and road row
Parallel into direction, transmitting coil 2 is wound on the crossbeam of the H-type structure, is specifically wound up as 10~20 circle left and right；It is arranged in vehicle
On reception magnetic core 3 be in "-" type structure, receiving coil 4 is wound on the reception magnetic core 3 of the "-" type structure, is specifically wound up as
10~20 circle left and right, receive 3 arranged direction of magnetic core and vehicle traveling direction are perpendicular.
Embodiment 2: as shown in figure 3, in the present embodiment, the reception magnetic core 3 being arranged on vehicle be by two stringers and
The H-type structure of one crossbeam composition, the crossbeam arranged direction and vehicle traveling direction are perpendicular, stringer arranged direction and vehicle row
Parallel into direction, receiving coil 4 is wound on the crossbeam of the H-type structure, is specifically wound up as 10~20 circles；It is arranged on road
Emitting magnetic core 1 is in "-" type structure, and transmitting coil 2 is wound on the transmitting magnetic core 1 of the "-" type structure, specifically it is wound up as 10~
20 circles, emit 1 arranged direction of magnetic core and road direction of travel is perpendicular.
Embodiment 3: as shown in figure 4, in the present embodiment, the transmitting magnetic core 1 being arranged on road be by two stringers and
The H-type structure of one crossbeam composition, the crossbeam arranged direction and road direction of travel are perpendicular, stringer arranged direction and road row
Parallel into direction, transmitting coil 2 is wound on the crossbeam of the H-type structure, is specifically wound up as 10~20 circles；It is arranged on vehicle
The H-type structure that magnetic core 3 is made of two stringers and a crossbeam is received, which mutually hangs down with vehicle traveling direction
Directly, stringer arranged direction is parallel with vehicle traveling direction, and receiving coil 4 is wound on the crossbeam of the H-type structure, specifically winds 10
~20 circles.
For above three embodiments, used magnetic core is FERRITE CORE, is by by transmitting magnetic therein
Core 1 and/or reception magnetic core 3 are set as the structure of a H-type, and the structure of the H-type can directly pass through the ferrite material of one piece of rectangle
Material empties the intermediate position of its two sides to be formed, and by the setting of H-type structure, can guarantee uniform effective transmission of the magnetic line of force,
To form relatively continuous energy transport.
Specific magnetic line of force transmission mode is specifically described with the structure of above-described embodiment 2: as described in Figure 5, when vehicle exists
When travelling, and travelled to close to transmitting magnetic core 1 on road, transmitting magnetic core 1 emits in magnetic field in the direction of the arrow in the figure extremely receives magnetic
Magnetic field energy is converted to the traveling charging that electric energy realizes automobile by receiving the receiving coil 4 wound on magnetic core 3 by core 3；Such as Fig. 6
It is shown, when vehicle driving to transmitting 1 surface of magnetic core and when vehicle crosses transmitting magnetic core 1, arrow in magnetic direction such as figure
Shown in head, it is able to achieve effective transmission of energy.It follows that passing through the magnetic core of H-type structure, enable to vehicle close to magnetic
Core, by can guarantee continuous energy transport in the whole driving process of magnetic core, by spaced on road
Magnetic core guarantees the charging process in vehicle whole driving process.
Claims (9)
1. a kind of wireless electric vehicle charging device, including being spaced the emitting module being layed on road, being installed on vehicle
Receiving unit, wherein emitting module includes transmitting magnetic core, transmitting coil, and transmitting coil passes through oscillation of power unit and power module
Connection, the receiving unit include receiving magnetic core, receiving coil, and receiving coil passes through rectification filtering unit and vehicle power unit
Connection, it is characterised in that: the H-type structure that the transmitting magnetic core is made of two stringers and a crossbeam, the crossbeam arrangement side
To perpendicular with road direction of travel, the transmitting coil is wound on the crossbeam of the H-type structure；The reception magnetic core is in a word
Type structure, receiving coil are wound in the "-" type structure, receive magnetic core arranged direction and vehicle traveling direction is perpendicular.
2. a kind of wireless electric vehicle charging device as described in claim 1, it is characterised in that: the H-type of the transmitting magnetic core
Structure is that empty formation is opened in in-between two sides by one piece of rectangular shaped core.
3. a kind of wireless electric vehicle charging device as claimed in claim 1 or 2, it is characterised in that: the transmitting magnetic core connects
Receiving magnetic core is FERRITE CORE.
4. a kind of wireless electric vehicle charging device, including being spaced the emitting module being layed on road, being installed on vehicle
Receiving unit, wherein emitting module includes transmitting magnetic core, transmitting coil, and transmitting coil passes through oscillation of power unit and power module
Connection, the receiving unit include receiving magnetic core, receiving coil, and receiving coil passes through rectification filtering unit and vehicle power unit
Connection, it is characterised in that: the H-type structure for receiving magnetic core and being made of two stringers and a crossbeam, the crossbeam arrangement side
To perpendicular with vehicle traveling direction, the receiving coil is wound on the crossbeam of the H-type structure；The transmitting magnetic core is in a word
Type structure, transmitting coil are wound in the "-" type structure, emit magnetic core arranged direction and road direction of travel is perpendicular.
5. a kind of wireless electric vehicle charging device as claimed in claim 4, it is characterised in that: the H-type for receiving magnetic core
Structure is that empty formation is opened in in-between two sides by one piece of rectangular shaped core.
6. a kind of wireless electric vehicle charging device as described in claim 4 or 5, it is characterised in that: the transmitting magnetic core connects
Receiving magnetic core is FERRITE CORE.
7. a kind of wireless electric vehicle charging device, including being spaced the emitting module being layed on road, being installed on vehicle
Receiving unit, wherein emitting module includes transmitting magnetic core, transmitting coil, and transmitting coil passes through oscillation of power unit and power module
Connection, the receiving unit include receiving magnetic core, receiving coil, and receiving coil passes through rectification filtering unit and vehicle power unit
Connection, it is characterised in that: the H-type structure that the transmitting magnetic core is made of two stringers and a crossbeam, the crossbeam arrangement side
To perpendicular with road direction of travel, the transmitting coil is wound on the crossbeam of the H-type structure；The reception magnetic core is by two
The H-type structure of a stringer and crossbeam composition, the crossbeam arranged direction and vehicle traveling direction are perpendicular, the receiving coil
It is wound on the crossbeam of the H-type structure.
8. a kind of wireless electric vehicle charging device as claimed in claim 7, it is characterised in that: the transmitting magnetic core and reception
The H-type structure of magnetic core is that empty formation is opened in in-between two sides by one piece of rectangular shaped core.
9. a kind of wireless electric vehicle charging device as claimed in claim 7 or 8, it is characterised in that: the transmitting magnetic core connects
Receiving magnetic core is FERRITE CORE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910024721.9A CN109501608A (en) | 2019-01-10 | 2019-01-10 | A kind of wireless electric vehicle charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910024721.9A CN109501608A (en) | 2019-01-10 | 2019-01-10 | A kind of wireless electric vehicle charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109501608A true CN109501608A (en) | 2019-03-22 |
Family
ID=65757705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910024721.9A Pending CN109501608A (en) | 2019-01-10 | 2019-01-10 | A kind of wireless electric vehicle charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109501608A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380523A (en) * | 2019-07-19 | 2019-10-25 | 上海交通大学 | Wireless energy supply device for internal Miniature medical equipment |
| CN112977102A (en) * | 2021-04-19 | 2021-06-18 | 国网黑龙江省电力有限公司电力科学研究院 | Dynamic resonant magnetic coupling wireless charging system for electric automobile |
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|---|---|---|---|---|
| CN103370851A (en) * | 2011-02-10 | 2013-10-23 | 株式会社泰库诺瓦 | Contactless electrical-power-supplying device |
| CN103380562A (en) * | 2011-02-21 | 2013-10-30 | 株式会社泰库诺瓦 | Contactless power transfer device for moving part |
| CN104380401A (en) * | 2012-05-21 | 2015-02-25 | 株式会社泰库诺瓦 | Contactless electrical-power-supplying transformer for moving body |
| CN106716570A (en) * | 2014-07-08 | 2017-05-24 | 奥克兰联合服务有限公司 | Inductive power transfer apparatus |
| CN106849375A (en) * | 2017-04-21 | 2017-06-13 | 张雁 | A kind of contactlessly powered system of mobile vehicle |
| CN207677516U (en) * | 2018-01-24 | 2018-07-31 | 张雁 | Electric vehicle wireless power supply |
-
2019
- 2019-01-10 CN CN201910024721.9A patent/CN109501608A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103370851A (en) * | 2011-02-10 | 2013-10-23 | 株式会社泰库诺瓦 | Contactless electrical-power-supplying device |
| CN103380562A (en) * | 2011-02-21 | 2013-10-30 | 株式会社泰库诺瓦 | Contactless power transfer device for moving part |
| CN104380401A (en) * | 2012-05-21 | 2015-02-25 | 株式会社泰库诺瓦 | Contactless electrical-power-supplying transformer for moving body |
| CN106716570A (en) * | 2014-07-08 | 2017-05-24 | 奥克兰联合服务有限公司 | Inductive power transfer apparatus |
| CN106849375A (en) * | 2017-04-21 | 2017-06-13 | 张雁 | A kind of contactlessly powered system of mobile vehicle |
| CN207677516U (en) * | 2018-01-24 | 2018-07-31 | 张雁 | Electric vehicle wireless power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380523A (en) * | 2019-07-19 | 2019-10-25 | 上海交通大学 | Wireless energy supply device for internal Miniature medical equipment |
| CN110380523B (en) * | 2019-07-19 | 2023-01-20 | 上海交通大学 | Wireless energy supply device for in-vivo miniature diagnosis and treatment equipment |
| CN112977102A (en) * | 2021-04-19 | 2021-06-18 | 国网黑龙江省电力有限公司电力科学研究院 | Dynamic resonant magnetic coupling wireless charging system for electric automobile |
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Application publication date: 20190322 |