CN211089314U - Motor and outlet box thereof - Google Patents
Motor and outlet box thereof Download PDFInfo
- Publication number
- CN211089314U CN211089314U CN201921956827.4U CN201921956827U CN211089314U CN 211089314 U CN211089314 U CN 211089314U CN 201921956827 U CN201921956827 U CN 201921956827U CN 211089314 U CN211089314 U CN 211089314U
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- China
- Prior art keywords
- sensor
- motor
- power cable
- junction box
- box
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Abstract
A motor and an outlet box thereof. The power cable junction box is independent of the sensor cable junction box, the power cable junction box is located on the outer side of the cylindrical surface of the motor, the sensor cable junction box is located on an end cover of a non-load end of the motor, and the motor power cable and the sensor cable are spatially isolated.
Description
Technical Field
The utility model relates to the technical field of motors, especially a motor outlet structure's optimal design.
Background
In recent years, the motor technology is rapidly developed and widely applied to various industries. Some motors, such as new energy vehicle main driving motors, have high requirements on power density and efficiency, and usually adopt a water cooling structure, and a housing is nested in a water way, so that a motor power cable is generally led out from the end part of a non-load shaft. In order to meet the requirements of reliability and high-performance control, various sensors such as position sensors are usually installed on the motor, and a sensor cable and a power cable are generally led out from the same junction box, so that weak current signals of the sensors are interfered by high-voltage large-current strong current of the power cable, and the performance and stability of the sensors are easily influenced.
In addition, the structure of the same terminal box is shared by the common sensor cable and the power cable, the temperature of the power cable is higher when the motor works normally, the temperature of the sensor cable is lower, the condensation phenomenon is easy to occur on the sensor cable, the output signal of the sensor is easy to be abnormal, the normal work of the precise sensor is influenced, and the fault rate of the sensor is increased.
Disclosure of Invention
For overcoming prior art's defect, the utility model provides a motor and outlet box thereof seals power cable and sensor signal cable in respective junction box respectively, realizes power cable and sensor cable's physical isolation.
A motor comprises a motor main body, a power cable junction box and a sensor cable junction box, wherein the power cable junction box is positioned on the outer side of a cylindrical surface of the motor main body, and the sensor cable junction box is positioned on an end cover of a non-load end of the motor.
The motor also comprises a power cable, wherein the power cable is led out from the end part of the stator in the motor main body and upwards penetrates through a hole in the middle of the box body of the power cable junction box.
The motor further comprises a power cable wiring board and a power cable wiring terminal, wherein the power cable wiring terminal is fixed on the power cable wiring board, the power cable wiring board is fixed inside the power cable wiring board, and the power cable is connected with the power cable wiring terminal.
The motor further comprises a sensor cable, wherein the sensor cable is led out from the non-load end cover hole of the motor main body and is connected to the sensor wiring socket.
The sensor wiring socket is fixed on the sensor wiring box.
The sensor cable is led out from the end cover at the non-load end and is wired to the sensor wiring socket through the wire groove in the sensor cable wiring box.
The utility model also provides a lead-out box, lead-out box includes box body and apron, the apron sets up to make lead-out box sealed on the box body, be provided with the wire casing in the lead-out box, the sensor cable is drawn forth from motor main body's non-load end cap hole, and the warp groove connects to sensor connection socket, sensor connection socket set up in on lead-out box's the box body.
The utility model discloses, motor power cable junction box and sensor cable junction box independent design, the space is each other not communicated, realizes the space isolation, and the sensor cable is located better metallic shield space simultaneously, can effectively avoid the electromagnetic radiation interference that is produced by power cable.
Drawings
The present invention will be further explained with reference to the drawings and examples. The embodiment uses a position sensor as an example of the sensor.
FIG. 1 is a view showing the entire structure of the embodiment.
Fig. 2 is a perspective view of the embodiment of fig. 1 with the terminal block cover removed.
Fig. 3 is a top view of the embodiment of fig. 1 with the terminal block cover removed.
In the figure, 1, a motor main body, 11, a non-load end cover, 2, a power cable junction box, 21, a top cover plate of the power cable junction box, 22, a side cover plate of the power cable junction box, 23, a box body of the power cable junction box, 3, a sensor cable junction box, 31, a cover plate of the sensor cable junction box, 32, a box body of the sensor cable junction box, 4, a power cable, 5, a power cable junction box, 6, a sensor cable, 7, a position sensor static part, 8, a power cable junction box and 9, a sensor junction box are arranged in sequence.
Detailed Description
The method provided by the invention is explained in detail below by combining specific implementation cases:
the utility model provides a technical scheme that its technical problem adopted is: the motor power cable junction box and the sensor cable junction box are independently designed and respectively have independent spaces.
As shown in fig. 1, a power cable junction box 2 and a sensor cable junction box 3 are independently arranged on a motor main body 1, the power cable junction box 2 is positioned at the outer side of the motor main body 1, and the sensor cable junction box 3 is placed on a non-load end cover 11 of the motor main body 1. The power cable junction box 2 comprises a power cable junction box top cover plate 21, a power cable junction box side cover plate 22 and a power cable junction box body 23, the power cable junction box top cover plate 21, the power cable junction box side cover plate 22 and the power cable junction box body 23 enclose a relatively independent space, the sensor cable junction box 3 comprises a sensor cable junction box cover plate 31 and a sensor cable junction box body 32, and the sensor cable junction box cover plate 31 and the sensor cable junction box body 32 enclose a relatively independent space.
Referring to fig. 2 and 3, the power cable 4 has a large volume, the power cable 4 is connected to a stator (not shown) of the motor main body 1, the power cable 4 is led out from the stator end of the motor main body 1, passes through an inner opening of the power cable junction box 2, and is connected to a power cable terminal block 8 in the power cable junction box 2 by a terminal block 5, and the power cable terminal block 8 is fixed to the power cable junction box 2.
The sensor cable 6 is generally small in wire diameter, and the sensor cable junction box 3 is placed on the non-load end cover 11 of the motor main body 1. The sensor cable 6 is led out from the middle hole of the non-load end cover 11 of the motor body 1, is routed from the wire groove 33 in the sensor cable junction box 3 and is finally connected to the sensor junction socket 9. The sensor connection socket 9 is fixed to the sensor cable junction box case 32.
The utility model discloses, motor power cable junction box and sensor cable junction box independent design, the space is each other not communicated, realizes the space isolation, and the sensor cable is located better metallic shield space simultaneously, can effectively avoid the electromagnetic radiation interference that is produced by power cable.
Claims (7)
1. The motor is characterized by comprising a motor main body, a power cable junction box and a sensor cable junction box, wherein the power cable junction box is positioned on the outer side of a cylindrical surface of the motor main body, and the sensor cable junction box is positioned on an end cover of a non-load end of the motor.
2. The motor of claim 1 further comprising power cables leading from the motor body inner stator end up through holes in the middle of the power cable junction box housing.
3. The motor of claim 2, further comprising a power cable terminal block and a power cable terminal post, the power cable terminal post being fixed to the power cable terminal block, the power cable terminal block being fixed inside the power cable terminal block, the power cable being connected to the power cable terminal post.
4. The motor of claim 3 further comprising a sensor cable leading from the unloaded end cap opening of the motor body to a sensor connection socket.
5. The motor of claim 4 wherein said sensor terminal receptacle is secured to said sensor terminal block.
6. The electric machine of claim 5 wherein the sensor cable is routed from an unloaded end cap through a wire slot in the sensor cable junction box to the sensor junction receptacle.
7. An outlet box applied to the motor of claim 1, wherein the outlet box comprises a box body and a cover plate, the cover plate is arranged on the box body to seal the outlet box, a wire groove is arranged in the outlet box, a sensor cable is led out from an unloaded end cover hole of the motor body, the wire groove is connected to a sensor wiring socket, and the sensor wiring socket is arranged on the box body of the outlet box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956827.4U CN211089314U (en) | 2019-11-13 | 2019-11-13 | Motor and outlet box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921956827.4U CN211089314U (en) | 2019-11-13 | 2019-11-13 | Motor and outlet box thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211089314U true CN211089314U (en) | 2020-07-24 |
Family
ID=71628955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921956827.4U Active CN211089314U (en) | 2019-11-13 | 2019-11-13 | Motor and outlet box thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211089314U (en) |
-
2019
- 2019-11-13 CN CN201921956827.4U patent/CN211089314U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |