Motor end cover for heat dissipation of ECU (Electronic Control Unit)

Abstract

The utility model discloses a motor end cover used for ECU heat radiation, comprising a cover body and a bearing sleeve, the bearing sleeve is arranged in the middle of the back surface of the cover body, the back surface of the cover body is provided with a positioning sleeve which is concentric with the bearing sleeve and is arranged at the outer side of the bearing sleeve, and the front surface of the cover body is provided with a plurality of ECU circuit board installation columns at intervals. The front surface of the cover body is concavely provided with a plane groove, a plurality of threading holes extending to the back surface of the cover body are arranged in the plane groove at intervals, the front surface of the cover body is convexly provided with a plurality of heat conduction platforms, and the front surface of the cover body is convexly provided with a plurality of element avoiding grooves. Through the above mode, the motor end cover used for ECU heat radiation can carry out the installation and fixation of an ECU circuit board, and improves the heat radiation effect.

Description

Technical Field

[0001] The utility model relates to the field of automotive parts, in particular to a motor end cover for ECU heat dissipation. Background Art

[0002] The ECU electronic control unit and the motor are common parts of an automobile. The traditional ECU and motor are two separate components, each with its own independent housing for protection, and the integration degree is not high. Therefore, the occupied space is large, and the cost of the housing is also relatively high.

[0003] In order to improve the space utilization rate and reduce the cost, the ECU electronic control unit and the motor can be installed in the same housing. However, the ECU electronic control unit generates heat during operation, and it is not conducive to heat dissipation when built in the narrow housing of the motor, so improvements are needed. Summary of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide a motor end cover for ECU heat dissipation, which can install and fix the ECU electronic control unit in the motor housing and improve the heat dissipation effect.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: to provide a motor end cover for ECU heat dissipation, including: a cover body and a bearing sleeve. The bearing sleeve is arranged in the middle of the back of the cover body. A positioning sleeve concentric with the bearing sleeve and located outside the bearing sleeve is arranged on the back of the cover body. Several ECU circuit board mounting posts are arranged at intervals on the front of the cover body. A flat groove is concavely arranged on the front of the cover body. Several wire passing holes extending to the back of the cover body are arranged at intervals in the flat groove. Several heat conduction platforms are convexly arranged on the front of the cover body. Several component avoidance grooves are convexly arranged on the front of the cover body.

[0006] In a preferred embodiment of the utility model, an O-ring mounting groove is concavely arranged on the outer circle of the positioning sleeve.

[0007] In a preferred embodiment of the utility model, the positioning sleeve, the cover body and the bearing sleeve adopt an integrated aluminum alloy structure, and several reinforcing ribs are arranged on the back of the cover body between the positioning sleeve and the bearing sleeve.

[0008] In a preferred embodiment of the utility model, a stepped hole extending to the front of the cover body is arranged in the bearing sleeve.

[0009] In a preferred embodiment of the utility model, an insulating heat conduction pad is arranged on the heat conduction platform.

[0010] In a preferred embodiment of the utility model, several positioning support columns are arranged at intervals on the front of the cover body.

[0011] In a preferred embodiment of the present utility model, ventilation holes are provided in the positioning support columns.

[0012] In a preferred embodiment of the present utility model, threaded holes are provided in the ECU circuit board mounting columns.

[0013] The beneficial effects of the present utility model are as follows: A motor end cover for ECU heat dissipation pointed out by the present utility model, the cover body can be installed on the housing of the motor, positioned by a positioning sleeve, and the bearing is installed by using a bearing sleeve to support the rotation of the motor shaft, improving the space utilization rate. The back of the ECU circuit board is supported by several ECU circuit board mounting columns, which is convenient for fixing with screws. The heat conduction platform can also be used to directly or indirectly contact the heat-generating part of the ECU circuit board, and transfer the heat to the housing of the motor through the cover body, improving the heat dissipation effect. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings, where:

[0015] Figure 1 is a cross-sectional view of a preferred embodiment of a motor end cover for ECU heat dissipation of the present utility model;

[0016] Figure 2 is a rear perspective view of a preferred embodiment of a motor end cover for ECU heat dissipation of the present utility model;

[0017] Figure 3 is a front perspective view of a preferred embodiment of a motor end cover for ECU heat dissipation of the present utility model. Detailed Embodiments

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0019] Please refer to Figures 1 to 3 , the embodiments of the present utility model include:

[0020] Such as Figure 1 and Figure 2The motor end cover for ECU heat dissipation shown in the figure includes: a cover body 1 and a bearing sleeve 2. The bearing sleeve 2 is arranged in the middle of the back of the cover body 1. A stepped hole 4 extending to the front of the cover body 1 is arranged in the bearing sleeve 2, and a bearing can be installed to support the rotation of the motor rotating shaft.

[0021] A positioning sleeve 6 concentric with the bearing sleeve 2 and located outside the bearing sleeve 2 is arranged on the back of the cover body 1. The cover body 1 can be installed on the housing of the motor, and positioning is carried out through the cooperation of the positioning sleeve 6 and the inner wall of the housing. In this embodiment, an O-ring installation groove 5 is concavely arranged on the outer circle of the positioning sleeve 6, and an O-ring can be installed to improve the airtightness of the connection.

[0022] In this embodiment, the positioning sleeve 6, the cover body 1 and the bearing sleeve 2 adopt an integrated aluminum alloy structure, which is formed by casting aluminum. It is convenient to process, has high strength and good heat conduction effect. Several reinforcing ribs 3 are arranged between the positioning sleeve 6 and the bearing sleeve 2 on the back of the cover body 1 to ensure the structural stability of the positioning sleeve 6 and the bearing sleeve 2, which is beneficial to reducing the wall thickness of the positioning sleeve 6 and the bearing sleeve 2 and realizing the overall light weight.

[0023] As Figure 3 shown, several ECU circuit board mounting posts 10 are arranged at intervals on the front of the cover body 1 to support the back of the ECU circuit board. In this embodiment, threaded holes are arranged in the ECU circuit board mounting posts 10 to facilitate the installation of screws, and the ECU circuit board is fixed by screws. Several component avoidance grooves 11 are convexly arranged on the front of the cover body 1, which can avoid some components protruding downward on the ECU circuit board to ensure the stable installation of the ECU circuit board on the cover body 1.

[0024] A flat groove 8 is concavely arranged on the front of the cover body 1, and several wire passing holes 7 extending to the back of the cover body 1 are arranged at intervals in the flat groove 8. In this embodiment, the number of wire passing holes 7 is 3, which is convenient for the three power supply wires or busbars of the motor to pass through. Insulating sleeves can be installed in the wire passing holes 7 for insulating protection of the busbars.

[0025] In order to improve the heat dissipation effect, several heat conduction platforms 9 are convexly arranged on the front of the cover body 1. The heat conduction platforms 9 are used to directly or indirectly contact the heat-generating components on the upper ECU circuit board above, and transfer the heat to the housing of the motor through the cover body 1 to improve the heat dissipation effect. In this embodiment, insulating heat pads are arranged on the heat conduction platforms 9 to improve the insulation safety and strengthen the contact tightness between the insulating heat pads and the heat-generating components to ensure the heat conduction effect.

[0026] As Figure 3As shown in the figure, several positioning support columns 12 are arranged at intervals on the front surface of the cover body 1, which can assist in supporting the local area of the ECU circuit board and improve the seismic resistance effect. In this embodiment, ventilation holes are provided in the positioning support columns 12, which is beneficial to the heat on the ECU circuit board being transferred to the inner cavity of the motor housing through air flow, further improving the heat dissipation effect.

[0027] In summary, a motor end cover for ECU heat dissipation pointed out by the present utility model can fix the ECU circuit board on the motor housing, improving the space utilization rate and the heat dissipation effect of the ECU circuit board.

[0028] The above are only embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification of the present utility model, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A motor end cover for ECU heat dissipation, characterized in that: include: A cover body and a bearing sleeve, wherein the bearing sleeve is arranged in the middle of the back side of the cover body, a positioning sleeve is arranged on the back side of the cover body which is concentric with the bearing sleeve and located on the outside of the bearing sleeve, a plurality of ECU circuit board mounting columns are arranged at intervals on the front side of the cover body, a planar groove is arranged inwardly on the front side of the cover body, a plurality of threading holes extending to the back side of the cover body are arranged in intervals in the planar groove, a plurality of heat conduction platforms are arranged outwardly on the front side of the cover body, and a plurality of component avoidance grooves are arranged inwardly on the front side of the cover body.

2. The motor end cover for ECU heat dissipation according to claim 1, characterized in that: An O-ring installation groove is concavely arranged on the outer circle of the positioning sleeve.

3. The motor end cover for ECU heat dissipation according to claim 1, characterized in that: The positioning sleeve, cover body and bearing sleeve adopt an integrated aluminum alloy structure, and the back of the cover body is provided with a plurality of reinforcing ribs located between the positioning sleeve and the bearing sleeve.

4. The motor end cover for ECU heat dissipation according to claim 1, characterized in that: The bearing sleeve is provided with a step hole extending to the front side of the cover body.

5. The motor end cover for ECU heat dissipation according to claim 1, characterized in that: An insulating thermal conductive pad is arranged on the thermal conductive platform.

6. The motor end cover for ECU heat dissipation according to claim 1, characterized in that: A plurality of positioning support columns are arranged at intervals on the front side of the cover body.

7. The motor end cover for ECU heat dissipation according to claim 6, characterized in that: The positioning support column is provided with a ventilation hole.

8. The motor end cover for ECU heat dissipation according to claim 1, characterized in that: The ECU circuit board mounting column is provided with a threaded hole.

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