Curve heat dissipation water channel of motor controller shell

By adopting a curved heat dissipation water channel design in the motor controller housing, combined with a curved plate and a needle-finned heat sink, the lack of heat dissipation performance of the motor controller is solved, and efficient heat dissipation and waterproof sealing effects are achieved.

CN223125183UActive Publication Date: 2025-07-18SUZHOU PUKE ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202421961744.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-14
Publication Date
2025-07-18
Estimated Expiration
2034-08-14

AI Technical Summary

Technical Problem

At this stage, the cooling waterway design of the motor controller is mostly smooth flow channel, with poor heat dissipation performance and cannot meet the heat dissipation needs of high-power IGBT modules.

Method used

The curved heat dissipation water channel design is adopted, including curved plates and needle-finned heat sinks installed in the water inlet, outlet and heat dissipation tank. Combining the heat conductor and connecting parts, a curved heat dissipation fin structure is formed, and the water channel passage is optimized to reduce water resistance and improve heat dissipation efficiency.

Benefits of technology

It achieves efficient heat dissipation effect, meets the heat dissipation needs of high-power IGBT modules, and ensures the waterproof and sealing of the motor controller through wiring ducts and connectors.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223125183U_ABST
Patent Text Reader

Abstract

The utility model discloses a curve heat dissipation water channel of a motor controller shell, which relates to the field of heat dissipation water channels of motor controller shells and comprises a motor controller shell body, a water inlet groove, a water outlet groove and a heat dissipation groove are arranged at the top of the motor controller shell body, and a first curve plate is mounted in an inner cavity of the water inlet groove. A second curve plate is installed in an inner cavity of the water outlet groove, and pin fin type cooling fins are installed in an inner cavity of the cooling groove. According to the curve heat dissipation water channel of the motor controller shell, the first curve plate and the second curve plate can be used as curve-shaped heat dissipation fins for heat dissipation work, the heat dissipation grooves are matched with the pin-fin type heat dissipation fins, heat dissipation work is facilitated, heat dissipation efficiency is improved, and the service life of the motor controller shell is prolonged. The water inlet groove, the heat dissipation groove and the second curve plate are large in overall water channel, water resistance is small, heat dissipation of the motor controller can be effectively guaranteed, the heat dissipation requirement of the motor controller can be effectively met, and the structure can meet the heat dissipation requirement of a high-power IGBT module.
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Description

Technical Field

[0001] The utility model relates to the field of heat dissipation water channels of motor controller housings, and particularly relates to a curved heat dissipation water channel for a motor controller housing. Background Technique

[0002] A motor controller is an integrated circuit that actively controls a motor to work according to set directions, speeds, angles, and response times. In an electric vehicle, the function of the motor controller is to convert the electrical energy stored in the power battery into the electrical energy required to drive the motor according to instructions such as gear position, throttle, and brake, to control the starting, running, forward and reverse speeds, climbing power, and other driving states of the electric vehicle, or to help the electric vehicle brake and store part of the braking energy into the power battery. It is one of the key components of an electric vehicle.

[0003] At present, the heat dissipation water channel designs for power devices are mostly smooth channels, with poor heat dissipation performance, and not as excellent in heat dissipation performance as the heat dissipation design with multiple fins.

[0004] Therefore, it is necessary to propose a curved heat dissipation water channel for a motor controller housing to solve the above problems. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a curved heat dissipation water channel for a motor controller housing, which can effectively solve the problems in the background technique.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A curved heat dissipation water channel for a motor controller housing includes a motor controller housing body. An inlet water tank, an outlet water tank, and a heat dissipation tank are opened at the top of the motor controller housing body. A first curved plate is installed in the inner cavity of the inlet water tank, a second curved plate is installed in the inner cavity of the outlet water tank, and a pin-fin heat sink is installed in the inner cavity of the heat dissipation tank.

[0008] Preferably, there are two first curved plates, and the two first curved plates are symmetrically installed on the front and back of the inner cavity of the inlet water tank. There are two second curved plates, and the two second curved plates are symmetrically installed on the front and back of the inner cavity of the outlet water tank.

[0009] Preferably, a third wiring groove is opened on the side of the motor controller housing body, a first wiring groove is opened on the right side of the back of the motor controller housing body, and a second wiring groove is opened on the left side of the back of the motor controller housing body.

[0010] Preferably, the inner cavities of the inlet water tank, the heat dissipation tank, and the outlet water tank are interconnected, and a partition is installed in the middle of the side of the inner cavity of the heat dissipation tank.

[0011] Preferably, a water inlet is provided on the back side of the side of the motor controller housing body, the water inlet communicates with the inner cavity of the water inlet tank, a water outlet is provided on the front side of the side of the motor controller housing body, and the water outlet communicates with the inner cavity of the water outlet tank.

[0012] Preferably, a first connecting member is installed at the bottom of the outer wall of the motor controller housing body, a first threaded groove is provided in the center of the first connecting member, a second connecting member and a positioning post are installed in the inner cavity of the motor controller housing body, a second threaded groove is provided at the bottom of the second connecting member, the second connecting member and the positioning post are used for connecting the motor controller, a heat conducting sheet is installed at the top of the inner cavity of the motor controller housing body, the heat conducting sheet is located at the bottom of the heat dissipation groove, and the top of the heat conducting sheet is attached to the bottom of the pin-fin heat sink.

[0013] Beneficial effects

[0014] Compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. For the curved heat dissipation water channel of the motor controller housing, through the provided first curved plate and second curved plate, it can be used as a curved heat dissipation fin for heat dissipation work, and when water flows into the inner cavities of the water inlet tank and the second curved plate, it can reduce the water resistance. Moreover, the heat dissipation groove can be used as the IGBT temperature concentration area, and with the provided pin-fin heat sink, it is more conducive to heat dissipation work. In addition, the overall water channel of the water inlet tank, heat dissipation groove and second curved plate is larger and the water resistance is smaller, which can effectively ensure the heat dissipation of the motor controller and effectively meet its heat dissipation requirements. This structure can meet the heat dissipation requirements of high-power IGBT modules.

[0016] 2. For the curved heat dissipation water channel of the motor controller housing, through the provided water inlet, water supply can be carried out for the water inlet tank, heat dissipation groove and second curved plate. Through the provided water outlet, the water in the inner cavities of the water inlet tank, heat dissipation groove and second curved plate can be discharged. Through the provided second wiring groove, first wiring groove and third wiring groove, it is convenient for the motor controller to carry out wiring work.

[0017] 3. For the curved heat dissipation water channel of the motor controller housing, through the provided first connecting member, positioning post and second connecting member, it is convenient to connect the motor controller housing body with the motor controller. When connecting, first apply sealant, which can effectively ensure the waterproof and sealing effect of the motor controller housing body. Description of the drawings

[0018] Figure 1 is the front structural schematic diagram of the present utility model;

[0019] Figure 2 is the present utility model Figure 1Enlarged view of part A

[0020] Figure 3 is a schematic structural view of the side of the present utility model;

[0021] Figure 4 is a schematic structural view of the bottom of the present utility model.

[0022] In the figure: 1, the main body of the motor controller housing; 2, the first connecting piece; 3, the water inlet groove; 4, the first curved plate; 5, the heat dissipation groove; 6, the partition; 7, the pin-fin heat sink; 8, the water outlet groove; 9, the second curved plate; 10, the water inlet; 11, the water outlet; 12, the first wiring groove; 13, the second wiring groove; 14, the third wiring groove; 15, the heat conducting plate; 16, the second connecting piece; 17, the positioning post. Detailed implementation manners

[0023] To make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners.

[0024] As Figures 1-4 shown, a curved water cooling channel for a motor controller housing includes the main body 1 of the motor controller housing. The top of the main body 1 of the motor controller housing is provided with a water inlet groove 3, a water outlet groove 8, and a heat dissipation groove 5. A first curved plate 4 is installed in the inner cavity of the water inlet groove 3, a second curved plate 9 is installed in the inner cavity of the water outlet groove 8, and a pin-fin heat sink 7 is installed in the inner cavity of the heat dissipation groove 5. There are two first curved plates 4, and the two first curved plates 4 are symmetrically installed on the front and back of the inner cavity of the water inlet groove 3. There are two second curved plates 9, and the two second curved plates 9 are symmetrically installed on the front and back of the inner cavity of the water outlet groove 8. A third wiring groove 14 is provided on the side of the main body 1 of the motor controller housing. A first wiring groove 12 is provided on the right side of the back of the main body 1 of the motor controller housing. A second wiring groove 13 is provided on the left side of the back of the main body 1 of the motor controller housing. The inner cavities of the water inlet groove 3, the heat dissipation groove 5, and the water outlet groove 8 are communicated. A partition 6 is installed in the middle of the side of the inner cavity of the heat dissipation groove 5. A water inlet 10 is provided on the back side of the side of the main body 1 of the motor controller housing, and the water inlet 10 is communicated with the inner cavity of the water inlet groove 3. A water outlet 11 is provided on the front side of the side of the main body 1 of the motor controller housing, and the water outlet 11 is communicated with the inner cavity of the water outlet groove 8. A first connecting piece 2 is installed at the bottom of the outer wall of the main body 1 of the motor controller housing, and a first threaded groove is provided in the middle of the first connecting piece 2. A second connecting piece 16 and a positioning post 17 are installed in the inner cavity of the main body 1 of the motor controller housing. A second threaded groove is provided at the bottom of the second connecting piece 16. The second connecting piece 16 and the positioning post 17 are used to connect the motor controller. A heat conducting plate 15 is installed at the top of the inner cavity of the main body 1 of the motor controller housing. The heat conducting plate 15 is located at the bottom of the heat dissipation groove 5, and the top of the heat conducting plate 15 is attached to the bottom of the pin-fin heat sink 7;

[0025] Through the provided first curve plate 4 and second curve plate 9, heat dissipation can be carried out as curved heat dissipation fins. Moreover, when water enters the inner cavities of the water inlet tank 3 and the second curve plate 9, it can achieve the effect of reducing water resistance. And the heat dissipation tank 5 can be used as the IGBT temperature concentration area. Cooperating with the provided pin-fin heat sinks 7, it is more conducive to heat dissipation. Also, the overall water channel of the water inlet tank 3, the heat dissipation tank 5, and the second curve plate 9 is relatively large, and the water resistance is small, which can effectively ensure the heat dissipation of the motor controller and effectively meet its heat dissipation requirements. This structure can meet the heat dissipation requirements of high-power IGBT modules. Through the provided water inlet 10, water supply can be carried out to the water inlet tank 3, the heat dissipation tank 5, and the second curve plate 9. Through the provided water outlet 11, the water in the inner cavities of the water inlet tank 3, the heat dissipation tank 5, and the second curve plate 9 can be discharged. Through the provided second wiring slot 13, first wiring slot 12, and third wiring slot 14, it is convenient for the motor controller to carry out wiring work. Through the provided first connecting piece 2, positioning posts 17, and second connecting piece 16, it is convenient to connect the motor controller housing body 1 with the motor controller. When connecting, first apply sealant, which can effectively ensure the waterproof and sealing effect of the motor controller housing body 1.

[0026] It should be noted that the present utility model is a curved heat dissipation water channel for a motor controller housing. When in use, the motor controller housing body 1 is connected to the motor controller through the first connecting piece 2, the second connecting piece 16, and the positioning posts 17. Before connection, sealant is applied to the installation positions of the motor controller housing body 1 and the motor controller. When the motor controller is in use, water is injected into the inner cavity of the water inlet tank 3 through the water inlet 10. At this time, the water will enter the inner cavity of the heat dissipation tank 5 through the first curve plate 4, then enter the inner cavity of the water outlet tank 8 and contact the second curve plate 9, and then be discharged through the water outlet 11. At this time, the water can discharge the heat carried by the first curve plate 4, the pin-fin heat sinks 7, and the second curve plate 9, thereby achieving a better heat dissipation effect.

[0027] The above has shown and described the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A curve radiating water channel for the housing of a motor controller, comprising a housing body (1) of the motor controller, characterized in that: A water inlet groove (3), a water outlet groove (8), and a heat dissipation groove (5) are formed at the top of the motor controller housing body (1). A first curved plate (4) is installed in the inner cavity of the water inlet groove (3), a second curved plate (9) is installed in the inner cavity of the water outlet groove (8), and a pin-fin heat sink (7) is installed in the inner cavity of the heat dissipation groove (5).

2. The curved radiating water channel of a motor controller housing according to claim 1, characterized in that: There are two first curved plates (4), and the two first curved plates (4) are symmetrically installed on the front and back of the inner cavity of the water inlet groove (3). There are two second curved plates (9), and the two second curved plates (9) are symmetrically installed on the front and back of the inner cavity of the water outlet groove (8).

3. The curved radiating water channel of a motor controller housing according to claim 1, wherein: A third wiring groove (14) is formed on the side of the motor controller housing body (1). A first wiring groove (12) is formed on the right side of the back of the motor controller housing body (1), and a second wiring groove (13) is formed on the left side of the back of the motor controller housing body (1).

4. The curved radiating water channel of a motor controller housing according to claim 1, characterized in that: The inner cavities of the water inlet groove (3), the heat dissipation groove (5), and the water outlet groove (8) are communicated with each other. A partition plate (6) is installed in the middle of the side of the inner cavity of the heat dissipation groove (5).

5. The curved radiating water channel of a motor controller housing according to claim 1, characterized in that: A water inlet (10) is formed on the back of the side of the motor controller housing body (1), and the water inlet (10) is communicated with the inner cavity of the water inlet groove (3). A water outlet (11) is formed on the front of the side of the motor controller housing body (1), and the water outlet (11) is communicated with the inner cavity of the water outlet groove (8).

6. The curved radiating water channel of a motor controller housing according to claim 1, characterized in that: A first connector (2) is installed at the bottom of the outer wall of the motor controller housing body (1). A first threaded groove is formed in the middle of the first connector (2). A second connector (16) and a positioning column (17) are installed in the inner cavity of the motor controller housing body (1). A second threaded groove is formed at the bottom of the second connector (16). The second connector (16) and the positioning column (17) are used to connect the motor controller. A heat conducting plate (15) is installed at the top of the inner cavity of the motor controller housing body (1). The heat conducting plate (15) is located at the bottom of the heat dissipation groove (5), and the top of the heat conducting plate (15) is attached to the bottom of the pin-fin heat sink (7).