CN216414982U - Structure for enhancing high-voltage electromagnetic interference resistance of electric vehicle - Google Patents
Structure for enhancing high-voltage electromagnetic interference resistance of electric vehicle Download PDFInfo
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- CN216414982U CN216414982U CN202122518528.6U CN202122518528U CN216414982U CN 216414982 U CN216414982 U CN 216414982U CN 202122518528 U CN202122518528 U CN 202122518528U CN 216414982 U CN216414982 U CN 216414982U
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Abstract
The utility model relates to the field of new energy automobiles, in particular to a structure capable of strengthening high-voltage electromagnetic interference resistance of an electric vehicle, which comprises a motor controller, a shielding ring, three-phase lines and a motor, wherein the three-phase lines are connected between the motor and the motor controller, a magnetic ring is additionally arranged on the three-phase line at the motor end or the motor controller end or a ring fixed by winding the shielding line, the electromagnetic interference can be effectively inhibited, the condition that the whole vehicle does not report faults after running is ensured, and when the faults occur, the fault vehicle is tested by binding the magnetic ring on the three-phase line section and fixing the magnetic ring, and the complete vehicle state is found to be intact. This scheme is mainly through increasing the shielding to avoid changing the three-phase line, restrain when the connector receives the damage in connector dismouting maintenance process, the electromagnetic interference of the whole car normal operating of influence that causes can practice thrift whole car cost of maintenance.
Description
Technical Field
The utility model relates to the field of new energy automobiles, in particular to a structure capable of enhancing high-voltage electromagnetic interference resistance of an electric vehicle.
Background
At present, in the field of new energy automobiles, a high-voltage wire harness is a key power transmission carrier, but in the high-voltage transmission process, electromagnetic interference inevitably occurs, so that the operation of the whole automobile is influenced, the whole automobile breaks down in the operation process, and the whole automobile cannot operate. At present, in the industry, a shielding layer is mainly arranged in a high-voltage wire, and shielding metal plating treatment is carried out on a socket, but when relevant problems of a vehicle are treated, the shielding plating on the surface of the socket is worn in the process of plugging and unplugging the relevant socket, so that electromagnetic interference is amplified, the vehicle is normal in a static state, and faults are reported after the vehicle runs.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model adopts the following technical scheme:
the utility model provides a structure capable of being used for strengthening high-voltage electromagnetic interference resistance of an electric vehicle, which comprises a motor controller, a shielding ring, three-phase lines and a motor, wherein the three-phase lines are connected between the motor and the motor controller, the shielding ring is arranged on the three-phase lines, and the shielding ring is positioned at one end close to the motor or one end close to the motor controller.
As a further improvement of the above technical solution, the shielding ring is a magnetic ring.
As a further improvement of the above technical solution, the shielding ring is formed by winding a shielding wire around the three-phase wire.
As a further improvement of the above technical solution, the connection between the three-phase line and the motor or the motor controller is a plug connection.
As a further improvement of the technical scheme, the three-phase line is a high-voltage wire harness.
As a further improvement of the technical scheme, a metal coating is arranged on the surface of the socket of the three-phase line.
The utility model has the beneficial effects that: the magnetic ring is additionally arranged on a three-phase wire at the motor end or the motor controller end or a ring fixed by winding a shielding wire, so that electromagnetic interference can be effectively inhibited, the fault can not be reported after the whole vehicle runs, and after the fault occurs, the magnetic ring is bound on a three-phase wire section, and after the fault is fixed, the fault vehicle is tested, and the complete vehicle state is found to be intact. This scheme is mainly through increasing the shielding to avoid changing the three-phase line, restrain when the connector receives the damage in connector dismouting maintenance process, the electromagnetic interference of the whole car normal operating of influence that causes can practice thrift whole car cost of maintenance.
Drawings
Fig. 1 is an electrical connection diagram of the structure of the present embodiment.
Wherein the figures include the following reference numerals: 1. a motor controller 2, a shielding ring 3, a three-phase line 4 and a motor.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the utility model are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the utility model to the skilled person.
In an embodiment, referring to fig. 1, the embodiment provides a structure for enhancing high-voltage electromagnetic interference resistance of an electric vehicle, the structure includes a motor controller 1, a shielding ring 2, a three-phase line 3 and a motor 4, the three-phase line 3 is connected between the motor 4 and the motor controller 1, the shielding ring 2 is disposed on the three-phase line 3, and the shielding ring 2 is located at one end close to the motor 4 or one end close to the motor controller 1. Specifically, the shielding ring 2 may be a magnetic ring, or a ring formed by winding a shielding wire around the three-phase wires 3, where the magnetic ring is a ferrite magnetic ring, and the magnetic ring is sleeved on each of the three-phase wires 3 through vulcanization, so that the magnetic ring can be stably disposed on the three-phase wires 3, and the magnetic ring is not easily detached or displaced when the three-phase wires 3 are plugged in or pulled out or after long-term use.
In particular, since, in the present embodiment, the connection of the three-phase line 3 to the motor 4 or the motor controller 1 is a plug connection, and the three-phase line 3 is a high-voltage wire harness, in order to reduce the electromagnetic interference of the high-voltage wire harness, a shielding layer is arranged in the high-voltage wire harness, the shielding metal plating treatment is carried out at the socket, but in the process of plugging and unplugging the related connector, the shielding plating on the surface of the connector is worn, thereby causing the electromagnetic interference to be amplified, and further causing the vehicle to be normal in a static state and to report a fault after running, while in the present embodiment, a magnetic ring or a ring wound and fixed by a shielding wire is added on the three-phase line 3 at the end of the motor 4 or the end of the motor controller 1, can effectively inhibit electromagnetic interference, ensure that the fault is not reported after the whole vehicle runs, and when the fault occurs, the magnetic rings are bound on the 3 sections of the three-phase line, and after the magnetic rings are fixed, a fault vehicle is tested, and the complete vehicle state is found to be complete. This scheme is mainly through increasing the shielding to avoid changing three-phase line 3, restrain when the connector receives the damage in connector dismouting maintenance process, the electromagnetic interference of the whole car normal operating of influence that causes can practice thrift whole car cost of maintenance.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. The utility model provides a can be used to strengthen anti high-pressure electromagnetic interference's of electric motor car structure which characterized in that:
the structure includes machine controller, shield ring, three-phase line and motor, the three-phase line is connected the motor with between the machine controller, be provided with on the three-phase line the shield ring, the shield ring is located and is close to the one end of motor or is located and is close to machine controller's one end.
2. The structure of claim 1, wherein the structure is used for enhancing the resistance of the electric vehicle to high-voltage electromagnetic interference, and comprises:
the shielding ring is a magnetic ring.
3. The structure of claim 1, wherein the structure is used for enhancing the resistance of the electric vehicle to high-voltage electromagnetic interference, and comprises:
the shielding ring is formed by winding a shielding wire on the three-phase wire.
4. The structure of claim 1, wherein the structure is used for enhancing the resistance of the electric vehicle to high-voltage electromagnetic interference, and comprises:
the three-phase line is connected with the motor or the motor controller in a plug-in connection mode.
5. The structure of claim 1, wherein the structure is used for enhancing the resistance of the electric vehicle to high-voltage electromagnetic interference, and comprises:
the three-phase line is a high-voltage wiring harness.
6. The structure of claim 4, wherein the structure is used for enhancing the resistance of the electric vehicle to high-voltage electromagnetic interference, and comprises:
and a metal coating is arranged on the surface of the socket of the three-phase line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518528.6U CN216414982U (en) | 2021-10-19 | 2021-10-19 | Structure for enhancing high-voltage electromagnetic interference resistance of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518528.6U CN216414982U (en) | 2021-10-19 | 2021-10-19 | Structure for enhancing high-voltage electromagnetic interference resistance of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216414982U true CN216414982U (en) | 2022-04-29 |
Family
ID=81296484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122518528.6U Active CN216414982U (en) | 2021-10-19 | 2021-10-19 | Structure for enhancing high-voltage electromagnetic interference resistance of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216414982U (en) |
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2021
- 2021-10-19 CN CN202122518528.6U patent/CN216414982U/en active Active
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