CN111231706A - Electric power wireless transmission coupling coil, device and vehicle wireless charging system - Google Patents
Electric power wireless transmission coupling coil, device and vehicle wireless charging system Download PDFInfo
- Publication number
- CN111231706A CN111231706A CN202010196675.3A CN202010196675A CN111231706A CN 111231706 A CN111231706 A CN 111231706A CN 202010196675 A CN202010196675 A CN 202010196675A CN 111231706 A CN111231706 A CN 111231706A
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- China
- Prior art keywords
- coil
- coupling
- wireless transmission
- transmission coupling
- power wireless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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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
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a power wireless transmission coupling coil and a device, comprising: a first coupling component and a second coupling component; the first coupling assembly includes: the first coil and the second coil are positioned on the same plane and are of annular structures; the second coupling assembly includes: the third coil and the fourth coil are arranged in parallel, are in annular structures, and are arranged on the same side of the first coupling assembly and are perpendicular to the plane where the first coupling assembly is located. Also discloses a vehicle wireless charging system. The coupling capability of the whole device in the opposite direction and the anti-offset capability in the direction parallel to the plane of the planar coil are increased by adding other coils which are wound in the same direction or in the opposite direction and are perpendicular to the magnetic field generated by the planar coil on the basis of the two planar coils which are arranged in parallel.
Description
Technical Field
The invention relates to the technical field of wireless power transmission, in particular to a wireless power transmission coupling coil, a wireless power transmission coupling device and a wireless vehicle charging system.
Background
With the continuous development of charging technology, the charging device is developed into two modes of wired charging and wireless charging. Use electric vehicle as an example, in current charging station and the electric pile that fills, electric vehicle acquires the electric energy through direct contact such as charging cable and charging plug, the charging process needs manual plug, because the rigidity of charging socket and cable length are limited, very big reduction electric vehicle's the flexibility of charging, the cable and the plug that charge that expose to the outside simultaneously also make wired charging system have electric leakage and the potential danger of electric breakdown, produce the contact spark easily, cause the electric erosion wearing and tearing of plug and socket, the security remains further to be improved.
Coupling coils in an existing vehicle wireless charging system generally comprise a circular coil, a rectangular coil and a double-D coil, the anti-offset capability of the circular coil and the rectangular coil is poor, the anti-offset capability of the double-D coil perpendicular to the common side direction of the two D coils is extremely weak, and coupling and zero points exist.
Disclosure of Invention
The embodiment of the invention aims to provide a power wireless transmission coupling coil, a device and a vehicle wireless charging system, which are characterized in that other coils with the same or opposite winding directions and perpendicular to a magnetic field generated by a planar coil are added on the basis of two planar coils which are arranged in parallel, so that the coupling capability of the whole device in the opposite direction and the anti-offset capability in the direction parallel to the plane of the planar coil are increased; the wireless charging system is used for charging the electric vehicle, and the wireless charging system has the advantages of high transmission efficiency, short transmission distance, flexible power supply mode, environmental friendliness, no contact electric spark, no manual plugging operation in the charging process, no mechanism abrasion and the like, greatly improves the charging flexibility, and provides an effective and safe mode for charging the electric vehicle.
In order to solve the above technical problem, an embodiment of the present invention provides a wireless power transmission coupling coil, including: a first coupling component and a second coupling component;
the first coupling assembly includes: the first coil and the second coil are positioned on the same plane;
the second coupling assembly includes: and the third coil and the fourth coil are arranged in parallel, are arranged on the same side of the first coupling component and are vertical to the plane of the first coupling component.
Further, the winding directions of the first coil and the second coil are opposite.
Further, the winding directions of the third coil and the fourth coil are the same or opposite.
Further, the first coil, the second coil, the third coil and/or the fourth coil are rectangular structures.
Further, the first coil and the second coil are located on the same plane toward the side of the second coupling component.
Further, a line connecting the center point of the first coupling component and the center point of the second coupling component is perpendicular to the plane of the first coupling component.
Further, still include: an iron core;
the iron core is of a plane sheet structure;
the iron core is parallel to the first coupling assembly and penetrates through the third coil and the fourth coil.
A second aspect of the embodiments of the present invention provides a wireless power transmission coupling apparatus, including a transmitting module and a receiving module;
the transmitting module and/or the receiving module comprise any power wireless transmission coupling coil.
Further, one of the transmitting module and the receiving module comprises any one of the wireless power transmission coupling coils, and the other comprises a first coil and a second coil.
The third aspect of the embodiment of the invention provides a vehicle wireless charging system, which comprises a ground charging assembly and a vehicle-mounted charging assembly, wherein the ground charging assembly and the vehicle-mounted charging assembly are connected through any one of the above power wireless transmission coupling devices.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
the coupling capability of the whole device in the right direction and the anti-deviation capability in the plane direction parallel to the plane coil are improved by adding other coils which have the same or opposite winding directions and are perpendicular to the magnetic field generated by the plane coil on the basis of the two plane coils which are placed in parallel, and meanwhile, the transmission efficiency of the coupling coil is improved; the wireless charging system is used for charging the electric vehicle, and the wireless charging system has the advantages of high transmission efficiency, short transmission distance, flexible power supply mode, environmental friendliness, no contact electric spark, no manual plugging operation in the charging process, no mechanism abrasion and the like, greatly improves the charging flexibility, and provides an effective and safe mode for charging the electric vehicle.
Drawings
Fig. 1a is a first perspective view of a first power wireless transmission coupling coil according to an embodiment of the present invention;
fig. 1b is a perspective view of a first power wireless transmission coupling coil according to an embodiment of the invention;
fig. 2 is a perspective view of a second power wireless transmission coupling coil according to an embodiment of the invention;
fig. 3 is a perspective view of a first power wireless transmission coupling device according to an embodiment of the invention;
fig. 4 is a perspective view of a second power wireless transmission coupling device in the embodiment of the invention;
FIG. 5 is a schematic diagram of a wireless charging system for a vehicle according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a coupling circuit of a wireless charging system for a vehicle according to an embodiment of the present invention.
Reference numerals:
1. the wireless power transmission coupling coil comprises a power wireless transmission coupling coil 11, a first coil 12, a second coil 13, a third coil 14, a fourth coil 15, an iron core 2, a transmitting module 21, a first transmitting coil 22, a second transmitting coil 23, a third transmitting coil 24, a fourth transmitting coil 3, a receiving module 31, a first receiving coil 32, a second receiving coil 33, a third receiving coil 34 and a fourth receiving coil.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1a is a first perspective view of a first power wireless transmission coupling coil according to an embodiment of the present invention.
Fig. 1b is a perspective view of the first power wireless transmission coupling coil according to the embodiment of the invention.
Referring to fig. 1a and fig. 1b, a first aspect of an embodiment of the present invention provides a wireless power transmission coupling coil 1, including: a first coupling component and a second coupling component. The first coupling assembly includes: a first coil 11 and a second coil 12 located on the same plane. The second coupling assembly includes: a third coil 13 and a fourth coil 14 arranged in parallel, the third coil 13 and the fourth coil 14 being arranged on the same side of the first coupling assembly and perpendicular to the plane of the first coupling assembly.
Specifically, the first coil 11 and the second coil 12 are wound in opposite directions.
Referring to fig. 1a, the winding directions of the third coil 13 and the fourth coil 14 are the same. The winding directions of the third coil 13 and the fourth coil 14 are the same, and the current directions of the third coil 13 and the fourth coil 14 close to the first coil 11 and the second coil 12 are the same as the current flow directions of the coils on the same side of the first coil 11 and the second coil 12, so that the coupling capability when the whole is not deviated and the deviation resistance capability in the plane direction parallel to the first coil 11 and the second coil 12 are increased.
Referring to fig. 1b, when the winding directions of the third coil 13 and the fourth coil 14 are opposite, the anti-deviation capability of the plane where the first coil 11 and the second coil 12 are located is greatly increased.
Specifically, the first coil 11, the second coil 12, the third coil 13, and/or the fourth coil 14 have a rectangular structure.
Further, the sides of the first coil 11 and the second coil 12 facing the second coupling component are located in the same plane.
Further, a line connecting the center point of the first coupling component and the center point of the second coupling component is perpendicular to the plane of the first coupling component. By specifying the placement of the third coil 13 and the fourth coil 14 relative to the first coil 11 and the second coil 12, which is located at an intermediate position of the geometry of the first coil 11 and the second coil 12, the resistance of the overall device to misalignment in the plane of the first coil 11 and the second coil 12 is maximized. Fig. 2 is a perspective view of a second power wireless transmission coupling coil according to an embodiment of the invention.
In an implementation manner of the embodiment of the present invention, referring to fig. 2, the wireless power transmission coupling coil 1 further includes: and a core 15. The core 15 has a planar sheet-like structure. The iron core 15 is parallel with the first coupling assembly, and runs through the third coil 13 and the fourth coil 14, plays a role in gathering together and shaping magnetic lines of force, generates smaller leakage magnetic flux outside the iron core, and improves the transmission efficiency of power wireless transmission.
The wireless power transmission coupling coil is further described below by taking the wireless charging system for a vehicle as an example.
When the wireless power transmission coupling coil is applied to a wireless charging system for a vehicle, the wireless power transmission coupling coil can be used as a transmitting module 2 connected with a power supply to generate a magnetic field, and can also be used as a receiving module 3 loaded on an electric vehicle.
When the wireless power transmission coupling coil is used as the transmitting module 2, the wireless power transmission coupling coil is connected with a power supply to generate a magnetic field, and magnetic lines of force are emitted from the first coil 11, return to the second coil 12 or emitted from the second coil 12, return from the first coil 11, and pass through the centers of the third coil 13 and the fourth coil 14 to form a closed magnetic flux loop.
When the power wireless transmission coupling coil is used as the receiving module 3, the coil linkage of the first coil 11 and the second coil 12 is a magnetic linkage in a vertical direction, and the coil linkage of the third coil 13 and the fourth coil 14 is a magnetic linkage in a horizontal component, so that an induced current is generated to transmit energy.
In fig. 2, compared with fig. 1a and 1b, the wireless power transmission coupling coil 1 is added with a core 15, and the core 15 passes through the third coil 13 and the fourth coil 14. No matter as the transmitting module 2 or the receiving module 3, most of magnetic lines of force all pass through the iron core 15, namely pass through the third coil 13 and the fourth coil 14, so that the gathering and shaping effects on the magnetic lines of force are achieved, small magnetic leakage flux is generated outside the iron core 15, and the transmission efficiency of the system is improved.
A second aspect of the embodiments of the present invention provides a power wireless transmission coupling device, which includes a transmitting module 2 and a receiving module 3. The transmitting module 2 and/or the receiving module 3 comprise any one of the above-mentioned wireless power transmission coupling coils 1.
The following describes a wireless power transmission coupling device according to the present invention, taking an application scenario of a wireless charging system for a vehicle as an example.
The power wireless transmission coupling device comprises a transmitting module 2 and a receiving module 3. The transmission module 2 is a power wireless transmitter portion in a vehicle wireless charging system provided on the ground in the vehicle wireless charging system, and the reception module 3 is a power wireless receiver portion in a vehicle wireless charging system provided on the lower side of the electric vehicle.
Referring to fig. 3, in a first example of the wireless power transmission coupling apparatus:
the transmitting module 2 comprises two substantially coplanar first and second transmitting coils 21, 22, and a third and fourth transmitting coil 23, 24 are located below the coplanar first and second transmitting coils 21, 22. Wherein, the transmitting module 2 is connected with a power supply.
The receiving module 3 comprises two substantially coplanar first 31 and second 32 receiving coils. The receiving module 3 is connected to a battery of the electric vehicle.
The transmitting module 2 is connected with a power supply to generate a magnetic field, and magnetic lines of force are transmitted by the first transmitting coil 21 and return from the second transmitting coil 22; alternatively, the magnetic lines of force are emitted from the second transmitting coil 22 and returned from the first transmitting coil 21. Meanwhile, the magnetic lines of force pass through the third transmitting coil 23 and the fourth transmitting coil 24, forming closed-loop magnetic lines of force.
The coils of the first receiving coil 31, the second receiving coil 32 and the transmitting coil in the receiving module 3 generate magnetic lines of force, and induced currents are generated in the first receiving coil 31 and the second receiving coil 32 and supplied to the battery side of the electric vehicle, so that wireless transmission of energy is completed.
Referring to fig. 4, in a second example of the wireless power transmission coupling device:
the transmitting module 2 comprises two substantially coplanar first and second transmitting coils 21, 22, and a third and fourth transmitting coil 23, 24 are located below the coplanar first and second transmitting coils 21, 22. Wherein, the transmitting module 2 is connected with a power supply.
The receiving module 3 includes two substantially coplanar first and second receiving coils 31 and 32, and further includes a third and fourth receiving coils 33 and 34 located below the coplanar first and second receiving coils 31 and 32. Wherein the receiving module 3 is connected with a battery of the electric vehicle.
The transmitting module 2 is connected with a power supply to generate a magnetic field, and magnetic lines of force are transmitted from the first transmitting coil 21 and returned from the second transmitting coil 22; alternatively, the magnetic lines of force are emitted by the second transmitting coil 22, returning from the first transmitting coil 21; meanwhile, the magnetic lines of force pass through the third transmitting coil 23 and the fourth transmitting coil 24, forming closed-loop magnetic lines of force.
The first receiving coil 31 and the second receiving coil 32 of the receiving module 3 are linked with the magnetic line of force of the vertical component generated by the transmitting module 2, and the third receiving coil 33 and the fourth receiving coil 34 are linked with the magnetic line of force of the horizontal component generated by the transmitting module 2. Accordingly, induced currents are generated in the first receiving coil 31, the second receiving coil 32, the third receiving coil 33, and the fourth receiving coil 34, and are supplied to the battery side of the electric vehicle, completing wireless transmission of energy.
The third aspect of the embodiment of the invention provides a vehicle wireless charging system, which comprises a ground charging assembly and a vehicle-mounted charging assembly, wherein the ground charging assembly and the vehicle-mounted charging assembly are charged wirelessly through the power wireless transmission coupling device.
Fig. 5 is a schematic diagram of a wireless charging system for a vehicle according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a power wireless transmission coupling circuit in an embodiment of the invention.
Referring to fig. 5 and 6, the wireless charging system for the vehicle includes a transmitting module 2 disposed on the ground and a receiving module 3 disposed in the electric vehicle, and the wireless charging system for the vehicle obtains power from a power source (industrial power 380V), converts the power into high-frequency alternating current through a rectification high-frequency inverter circuit, and supplies power to the wireless power transmission coupling device.
Specifically, the wireless charging system for the vehicle comprises a transmitting end tuning circuit and a receiving end tuning circuit. The transmitting end tuning circuit comprises a transmitting coupling coil L1 and a transmitting resonant capacitor C1 which work under a preset resonant frequency, a high-frequency magnetic field is generated after high-frequency alternating current flows in the transmitting coupling coil L1, a receiving coupling coil L2 in the receiving end tuning circuit is linked to high-frequency magnetic lines generated by the transmitting coupling coil L1 to generate high-frequency induction current in a receiving coupling coil L2, and the receiving end tuning circuit formed by the receiving coupling coil L2 and the receiving resonant capacitor C2 converts the obtained high-frequency components into direct current through an electric energy conversion circuit so as to charge the battery pack of the electric vehicle. Both the transmitting coupling coil L1 and the receiving coupling coil L2 can be the wireless power transmission coupling coil 1.
The embodiment of the invention aims to protect a power wireless transmission coupling coil and a device, and the device comprises: a first coupling component and a second coupling component; the first coupling assembly includes: the first coil and the second coil are positioned on the same plane and are of annular structures; the second coupling assembly includes: the third coil and the fourth coil are arranged in parallel, are of annular structures and are arranged on the same side of the first coupling assembly and are perpendicular to the plane where the third coil and the fourth coil are arranged. A wireless charging system for the vehicle is also protected. The technical scheme has the following effects:
the coupling capability of the whole device in the right direction and the anti-deviation capability in the plane direction parallel to the plane coil are improved by adding other coils which have the same or opposite winding directions and are perpendicular to the magnetic field generated by the plane coil on the basis of the two plane coils which are placed in parallel, and meanwhile, the transmission efficiency of the coupling coil is improved; the wireless charging system is used for charging the electric vehicle, and the wireless charging system has the advantages of high transmission efficiency, short transmission distance, flexible power supply mode, environmental friendliness, no contact electric spark, no manual plugging operation in the charging process, no mechanism abrasion and the like, greatly improves the charging flexibility, and provides an effective and safe mode for charging the electric vehicle.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A wireless power transmission coupling coil, comprising: a first coupling component and a second coupling component;
the first coupling assembly includes: the first coil and the second coil are positioned on the same plane;
the second coupling assembly includes: and the third coil and the fourth coil are arranged in parallel, are arranged on the same side of the first coupling component and are vertical to the plane of the first coupling component.
2. The power wireless transmission coupling coil of claim 1,
the winding directions of the first coil and the second coil are opposite.
3. The power wireless transmission coupling coil of claim 1,
and the winding directions of the third coil and the fourth coil are the same or opposite.
4. The power wireless transmission coupling coil of claim 1,
the first coil, the second coil, the third coil and/or the fourth coil are rectangular structures.
5. The power wireless transmission coupling coil of claim 1,
the first coil and the second coil are positioned on the same plane towards the side faces of the second coupling assembly.
6. The power wireless transmission coupling coil of claim 1,
and a connecting line of the central point of the first coupling component and the central point of the second coupling component is vertical to the plane of the first coupling component.
7. The power wireless transmission coupling coil of claim 1, further comprising: an iron core;
the iron core is of a plane sheet structure;
the iron core is parallel to the first coupling assembly and penetrates through the third coil and the fourth coil.
8. The power wireless transmission coupling device is characterized by comprising a transmitting module and a receiving module;
the transmitting module and/or the receiving module comprise the power wireless transmission coupling coil of any one of claims 1-7.
9. The power wireless transmission coupling apparatus according to claim 8,
one of the transmitting module and the receiving module comprises the power wireless transmission coupling coil of any one of claims 1-7, and the other comprises a first coil and a second coil.
10. A wireless charging system for a vehicle, comprising a ground charging assembly and a vehicle-mounted charging assembly, wherein the ground charging assembly and the vehicle-mounted charging assembly are wirelessly charged through the wireless power transmission coupling coil of claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196675.3A CN111231706A (en) | 2020-03-19 | 2020-03-19 | Electric power wireless transmission coupling coil, device and vehicle wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010196675.3A CN111231706A (en) | 2020-03-19 | 2020-03-19 | Electric power wireless transmission coupling coil, device and vehicle wireless charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111231706A true CN111231706A (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010196675.3A Pending CN111231706A (en) | 2020-03-19 | 2020-03-19 | Electric power wireless transmission coupling coil, device and vehicle wireless charging system |
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| Country | Link |
|---|---|
| CN (1) | CN111231706A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786467A (en) * | 2020-07-24 | 2020-10-16 | 重庆华创智能科技研究院有限公司 | Wireless power transmission mechanism and high-voltage power-taking wireless power transmission system |
| CN112865325A (en) * | 2021-01-29 | 2021-05-28 | 重庆大学 | Tripolar planar transmitting mechanism, transmission system thereof and current vector modulation method |
-
2020
- 2020-03-19 CN CN202010196675.3A patent/CN111231706A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111786467A (en) * | 2020-07-24 | 2020-10-16 | 重庆华创智能科技研究院有限公司 | Wireless power transmission mechanism and high-voltage power-taking wireless power transmission system |
| CN111786467B (en) * | 2020-07-24 | 2022-04-01 | 重庆华创智能科技研究院有限公司 | Wireless power transmission mechanism and high-voltage power-taking wireless power transmission system |
| CN112865325A (en) * | 2021-01-29 | 2021-05-28 | 重庆大学 | Tripolar planar transmitting mechanism, transmission system thereof and current vector modulation method |
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Application publication date: 20200605 |