CN210837457U - Wireless charging orthogonal coil structure of electric automobile - Google Patents
Wireless charging orthogonal coil structure of electric automobile Download PDFInfo
- Publication number
- CN210837457U CN210837457U CN201922033196.5U CN201922033196U CN210837457U CN 210837457 U CN210837457 U CN 210837457U CN 201922033196 U CN201922033196 U CN 201922033196U CN 210837457 U CN210837457 U CN 210837457U
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- coil
- wireless charging
- orthogonal
- shaped
- magnetic substrate
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The patent discloses an electric automobile wireless quadrature formula coil structure that charges, this wireless charging coil include transmitting coil and receiving coil. The transmitting coil module comprises a transmitting coil and a transmitting coil iron core, wherein the transmitting coil is formed by two D-shaped coils and a spiral coil in an orthogonal mode, and the transmitting coil iron core is formed by splicing strip-shaped ferrites into a rectangular magnetic substrate. The receiving coil module also comprises two D-shaped coils and a rectangular magnetic substrate. The two coils are of a symmetrical structure, the transmitting coil is installed on the ground, and the receiving coil is installed under the automobile chassis and can be interchanged. The advantages of D shape coil and spiral coil have been synthesized to this patent quadrature formula coil structure, can improve the coil coupling coefficient of coil, anti skew characteristic, improve wireless charging system's robustness promptly.
Description
Technical Field
The patent relates to a wireless orthogonal coil structure that charges of electric automobile belongs to wireless charging technical field.
Background
At present, countries in the world face the shortage of traditional fossil energy and the increasingly worsened environmental problem, and clean energy is favored by people. Electric vehicles have gained wide social attention as a new and environmentally friendly vehicle. And traditional electric automobile charges mainly through filling electric pile and charges, has the equipment easy wearing and tearing, ageing, and the charging environment is unsafe, the low scheduling problem of operating efficiency that charges.
The conventional wireless charging of the electric automobile mainly adopts a pair of symmetrical coupling coils for energy transmission, and the commonly used coils have structures such as a disc shape, a DD shape, a solenoid shape and the like. The existing coil structure has the problems of low coupling coefficient and poor anti-offset performance. Therefore, the invention discloses a wireless charging orthogonal coil structure of an electric automobile, and the coupling coefficient and the anti-offset performance of the coil are improved.
SUMMERY OF THE UTILITY MODEL
The patent provides an electric automobile wireless charging orthogonal coil structure, mainly is the coupling coefficient and the anti skew performance that improve the coil.
In order to achieve the purpose, the technical scheme of the patent comprises the following steps:
the utility model provides a wireless quadrature formula coil structure that charges which characterized in that: the rectangular ferrite is used as a magnetic substrate; the magnetic substrate is provided with two coils, one coil is a D-shaped coil 1, one end of the D-shaped coil is an external port 1, and the other end of the D-shaped coil is connected with a coil 2 through a port 2; the coil 2 is also a D-shaped coil, and the other end of the D-shaped coil is upwards connected with the coil 3; the coil 3 is a spiral coil and wraps the coil 1, the coil 2 and the magnetic substrate, and the port 4 is an external port 2.
Further, the coil 1 and the coil 2 are closely attached to the magnetic substrate, and the coil 1 and the coil 2 are symmetrically distributed about the center line 1.
Further, the coil 3 is orthogonal to and located above the coil 1 and the coil 2. The coil 3 is spirally wound on the magnetic substrate and is perpendicular to the central line 1.
Further, the coil 1, the coil 2 and the coil 3 are all formed by winding litz wires.
Further, the rectangular magnetic substrate is formed by splicing strip-shaped ferrites.
A wireless charging orthogonal coil structure comprises a transmitting coil and a receiving coil, wherein the transmitting coil and the receiving coil both adopt the orthogonal coil structure.
This patent advantage: the advantages of the DD-shaped coil and the solenoid-shaped coil are combined, and the coupling coefficient and the anti-offset performance of the coil are improved.
Drawings
Fig. 1 is an overall schematic diagram of a wireless charging quadrature coil structure of an electric vehicle according to the present disclosure;
description of the symbols:
in the figure, 1 is a magnetic substrate, 2 is a coil 1, 3 is a coil 2, 4 is a coil 3, 5 is a port 1, 6 is a port 2, 7 is a port 3, 8 is a port 4, 9 is a center line 1.
Detailed Description
The following detailed description of the patent refers to the accompanying drawings in which:
the structure of the wireless charging orthogonal coil structure for the electric automobile is shown in figure 1 and is divided into a transmitting coil and a receiving coil, the transmitting coil and the receiving coil are symmetrical and have the same parameters, the wireless charging orthogonal coil structure comprises a rectangular magnetic substrate (1), coils (1), (2), coils (2), (3) and coils (3), (4), the transmitting coil is installed on the ground, and the receiving coil is installed on an automobile chassis.
The magnetic substrate (1) is a rectangular iron core spliced by ferrite. The magnetic leakage can be reduced, and the coupling coefficient can be enhanced.
The coil 1(2) is a D-shaped coil wound by litz wires, clings to the magnetic substrate (1), and the port 1(5) is externally connected with a circuit. The skin effect can be reduced, the magnetic leakage is reduced, and the anti-offset performance is enhanced.
The coil 2(3) is a D-shaped coil wound by litz wires, clings to the magnetic substrate (1), and a port 4(5) is externally connected with a circuit. The skin effect can be reduced, the magnetic leakage is reduced, and the anti-offset performance is enhanced.
The coils 1(2), 2(3) are connected together by ports 2 (6).
The coil 3(4) is a solenoid-shaped coil wound by litz wires along the magnetic substrate (1), is orthogonal to the coil 1(2) and the coil 2(3) and is positioned above the coil 1(2) and the coil 2(3), and a coil port 4(8) is externally connected with a circuit. And the magnetic leakage is reduced, and the offset resistance is enhanced.
Claims (6)
1. The utility model provides an electric automobile wireless quadrature formula coil structure that charges which characterized in that: a rectangular ferrite as a magnetic substrate (1); the magnetic substrate (1) is provided with two coils, one coil is a D-shaped coil 1(2), one end of the D-shaped coil is an external port 1(5), and the other end of the D-shaped coil is connected with the coil 2(3) through a port 2 (6); the coil 2(3) is also a D-shaped coil, and the other end (7) of the D-shaped coil is upwards connected with the coil 3 (4); the coil 3(4) is a solenoid-shaped coil which wraps the coil 1(2), the coil 2(3) and the magnetic substrate (1), and the port 4(8) is an external port 2.
2. The wireless charging orthogonal coil structure of the electric vehicle according to claim 1, wherein the coil 1(2), the coil 2(3) are closely attached to the magnetic substrate (1), and the coil 1(2) and the coil 2(3) are symmetrically distributed about the center line 1 (9).
3. The wireless charging orthogonal coil structure of the electric vehicle as claimed in claim 1, wherein the coil 3(4) is located above the orthogonal coil 1(2) and the orthogonal coil 2(3), and the coil 3(4) is wound on the magnetic substrate (1) in a spiral manner and perpendicular to the center line 1 (9).
4. The wireless charging orthogonal coil structure of the electric vehicle as claimed in claim 1, wherein the coils 1(2), 2(3) and 3(4) are wound by litz wire.
5. The wireless charging orthogonal coil structure of the electric automobile according to claim 1, characterized in that the magnetic substrate (1) is formed by splicing strip-shaped ferrites.
6. A wireless charging orthogonal coil structure of an electric automobile comprises a transmitting coil and a receiving coil, and is characterized in that the transmitting coil and the receiving coil are in the wireless charging orthogonal coil structure of the electric automobile according to any one of claims 1-5, and the receiving coil and the transmitting coil are the same in structure and parameters and can be replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922033196.5U CN210837457U (en) | 2019-11-21 | 2019-11-21 | Wireless charging orthogonal coil structure of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922033196.5U CN210837457U (en) | 2019-11-21 | 2019-11-21 | Wireless charging orthogonal coil structure of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210837457U true CN210837457U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922033196.5U Expired - Fee Related CN210837457U (en) | 2019-11-21 | 2019-11-21 | Wireless charging orthogonal coil structure of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210837457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508695A (en) * | 2020-07-01 | 2020-08-07 | 深圳赫兹创新技术有限公司 | Wireless charging coil assembly and wireless power transmission device |
-
2019
- 2019-11-21 CN CN201922033196.5U patent/CN210837457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508695A (en) * | 2020-07-01 | 2020-08-07 | 深圳赫兹创新技术有限公司 | Wireless charging coil assembly and wireless power transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20201121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |