Automobile controller with short circuit prevention heat dissipation structure

Abstract

The utility model belongs to the technical field of automobile controllers, and particularly relates to an automobile controller with a short circuit prevention heat dissipation structure, which comprises a circuit board and a shell, the circuit board is mounted on the inner side of the shell, a heat dissipation mechanism is mounted on the surface of the circuit board and comprises a heat dissipation block, the heat dissipation block comprises a base and a limiting plate, and the upper end of the base is in a halfpace shape. The upper surface of the base is fixedly connected with the lower surface of a limiting plate. According to the automobile controller with the short-circuit-proof heat dissipation structure, the heat dissipation mechanism is installed on the surface of the circuit board, heat dissipation is conducted through a heat dissipation block in the heat dissipation mechanism, meanwhile, the heat dissipation efficiency of the heat dissipation block is improved by increasing the surface of the heat dissipation block, and meanwhile when an automobile runs, the whole heat dissipation mechanism is driven to vibrate, so that the heat dissipation efficiency is improved. And the sleeve which is movably mounted vibrates on the surface of the heat dissipation block, so that air circulation on the surface of the heat dissipation block is promoted through flapping of the sleeve and the isolation plate, and heat dissipation of the heat dissipation block is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile controllers, in particular to an automobile controller with an anti-short circuit heat dissipation structure. Background Art

[0002] An automobile controller with an anti-short circuit heat dissipation structure disclosed on a Chinese patent website (publication number: CN219961196U) solves the technical problem that traditional automobile controllers are prone to short circuits, but still has the following problems:

[0003] During actual use, as the car's usage environment and single usage time increase, the temperature inside the car controller continues to rise. Since the existing heat sink has limited heat dissipation effect, the electronic components are in a high temperature environment for a long time, which may cause component damage or performance degradation. Overheating may also cause controller performance to degrade or even complete failure, affecting the normal operation of the vehicle, which may cause vehicle system failures or abnormal operation, affecting driving safety and driving experience. In addition, due to the limited ventilation effect inside the existing car controller, the temperature of the car controller is further promoted, making it inconvenient to use. Utility Model Content

[0004] Based on the technical problem that the heat dissipation effect of the existing automobile controller is limited, the utility model proposes an automobile controller with an anti-short-circuit heat dissipation structure.

[0005] The utility model proposes an automobile controller with an anti-short circuit heat dissipation structure, comprising a circuit board and a shell, wherein the circuit board is installed on the inner side of the shell, a heat dissipation mechanism is installed on the surface of the circuit board, the heat dissipation mechanism comprises a heat dissipation block, the heat dissipation block comprises a base and a limiting plate, the upper end of the base is in a step-shaped shape, and the upper surface of the base is fixedly connected to the lower surface of the limiting plate.

[0006] Preferably, a sleeve is slidably sleeved on the outer side wall surface of the limiting plate, and the surface shape of the sleeve and the surface shape of the limiting plate are both rectangular.

[0007] Through the above technical solution, the upper end of the limiting plate is wrapped with a sleeve, so as to prevent the heat dissipation glue from falling outward, and at the same time, the upward lifting of the sleeve prevents the metal cover from contacting the upper surface of the limiting plate.

[0008] Preferably, a limit spring is fixedly connected to the inner wall of the lower end of the sleeve, the limit spring is located below the limit plate, the two limit springs are respectively located on both sides of the base, and the surface of the limit spring is slidably connected to the upper end surface of the base.

[0009] Through the above technical scheme, the contraction of the limit spring is utilized to squeeze the side wall of the base, thereby facilitating the limit spring to drive the sleeve to rise. Ball bearings can also be installed on the side wall surface of the limit plate to facilitate reducing the friction between the side wall of the limit plate and the inner wall of the sleeve.

[0010] Preferably, an isolation plate is fixedly connected to the inner side wall of the upper end of the sleeve, and a heat dissipation hole is formed on the upper surface of the isolation plate.

[0011] Through the above technical solution, while using the heat dissipation holes to prevent the isolation plate from affecting the heat dissipation of the heat dissipation block, the lower end opening of the heat dissipation port can be polished smooth, thereby preventing the heat dissipation port from wearing the heat dissipation glue on the surface of the limit plate.

[0012] Preferably, a metal upper cover is clamped on the upper surface of the shell, and a boss is provided on the lower surface of the metal upper cover.

[0013] Preferably, the boss is recessed toward the inside of the shell, and the isolation plate is located directly below the boss.

[0014] The beneficial effects of the present invention are:

[0015] By installing a heat dissipation mechanism on the surface of a circuit board and utilizing a heat dissipation block in the heat dissipation mechanism to dissipate heat, the heat dissipation efficiency of the heat dissipation block itself is promoted by increasing the surface of the heat dissipation block. At the same time, when the car is running, the heat dissipation mechanism is driven to vibrate as a whole, so that the movably installed sleeve vibrates on the surface of the heat dissipation block, and the fanning of the sleeve and the isolation plate promotes air circulation on the surface of the heat dissipation block, thereby facilitating heat dissipation by the heat dissipation block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of an automobile controller with an anti-short circuit heat dissipation structure proposed by the utility model;

[0017] Figure 2 This is a cross-sectional view of a sleeve structure of an automobile controller with an anti-short circuit heat dissipation structure proposed by the utility model;

[0018] Figure 3 The utility model provides a cross-sectional view of a heat dissipation block structure of an automobile controller with a short-circuit-proof heat dissipation structure.

[0019] In the figure: 1, circuit board; 2, shell; 3, heat sink; 301, base; 302, limit plate; 31, sleeve; 32, limit spring; 33, isolation plate; 34, heat dissipation hole; 4, metal cover; 5, boss. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3 A car controller with an anti-short circuit heat dissipation structure includes a circuit board 1 and a shell 2. The circuit board 1 is installed on the inner side of the shell 2. A heat dissipation mechanism is installed on the surface of the circuit board 1. The heat dissipation mechanism includes a heat dissipation block 3. The heat dissipation block 3 includes a base 301 and a limiting plate 302. The upper end of the base 301 is stepped, and the upper surface of the base 301 is fixedly connected to the lower surface of the limiting plate 302.

[0022] The upper end of the limiting plate 302 is wrapped with the sleeve 31, so as to prevent the heat dissipation glue from falling off outwards, and to prevent the metal cover 4 from contacting with the upper surface of the limiting plate 302 by lifting the sleeve 31 upwards. The inner side wall of the lower end of the sleeve 31 is fixedly connected with the limiting spring 32, and the limiting spring 32 is located below the limiting plate 302. The two limiting springs 32 are respectively located on both sides of the base 301. The surface of the limiting spring 32 is slidably connected with the upper end surface of the base 301. The side wall of the base 301 is squeezed by the contraction of the limiting spring 32, so that the limiting spring 32 drives the sleeve 31 to rise. Ball bearings can also be installed on the side wall surface of the limiting plate 302, so as to reduce the friction between the side wall of the limiting plate 302 and the inner side wall of the sleeve 31.

[0023] In order to avoid short circuit, an isolation plate 33 is fixedly connected to the inner wall of the upper end of the sleeve 31, and a heat dissipation hole 34 is opened on the upper surface of the isolation plate 33. The heat dissipation hole 34 is used to prevent the isolation plate 33 from affecting the heat dissipation of the heat dissipation block 3, and the lower end opening of the heat dissipation port can also be polished smooth, thereby preventing the heat dissipation port from wearing the heat dissipation glue on the surface of the limit plate 302.

[0024] By installing a heat dissipation mechanism on the surface of the circuit board 1 and utilizing the heat dissipation block 3 in the heat dissipation mechanism to dissipate heat, the heat dissipation efficiency of the heat dissipation block 3 itself is promoted by increasing the surface of the heat dissipation block 3. At the same time, when the car is running, the heat dissipation mechanism is driven to vibrate as a whole, so that the movably installed sleeve 31 vibrates on the surface of the heat dissipation block 3, and the fanning of the sleeve 31 and the isolation plate 33 promotes air circulation on the surface of the heat dissipation block 3, thereby facilitating the heat dissipation of the heat dissipation block 3.

[0025] A metal upper cover 4 is clamped on the upper surface of the housing 2 , a boss 5 is provided on the lower surface of the metal upper cover 4 , and the boss 5 is concave toward the inside of the housing 2 . The isolation plate 33 is located directly below the boss 5 .

[0026] Working principle:

[0027] When in use, the car vibrates when driving, and drives the entire heat dissipation mechanism to vibrate. The sleeve 31 is inserted into the lower end of the base 301 on the surface of the heat dissipation block 3, and the limit spring 32 is pulled up by the edge of the base 301. The limit spring 32 is reset and drives the sleeve 31 to rise on the heat dissipation block 3. The above action is repeated as the car vibrates when driving.

[0028] The isolation plate 33 is driven by the sleeve 31 to repeatedly move up and down. The movement of the sleeve 31 and the isolation plate 33 promotes air circulation on the surface of the heat sink 3 and accelerates the heat dissipation on the surface of the heat sink 3 .

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automobile controller with an anti-short circuit heat dissipation structure, comprising a circuit board (1) and a housing (2), wherein the circuit board (1) is mounted on the inner side of the housing (2), and characterized in that: A heat dissipation mechanism is installed on the surface of the circuit board (1), the heat dissipation mechanism comprises a heat dissipation block (3), the heat dissipation block (3) comprises a base (301) and a limiting plate (302), the upper end of the base (301) is in a step-shaped form, and the upper surface of the base (301) is fixedly connected to the lower surface of the limiting plate (302).

2. The automobile controller with an anti-short circuit heat dissipation structure according to claim 1, characterized in that: A sleeve (31) is slidably sleeved on the outer wall surface of the limiting plate (302), and the surface shape of the sleeve (31) and the surface shape of the limiting plate (302) are both rectangular.

3. The automobile controller with an anti-short circuit heat dissipation structure according to claim 2, characterized in that: The inner side wall at the lower end of the sleeve (31) is fixedly connected to a limit spring (32), the limit spring (32) is located below the limit plate (302), the two limit springs (32) are respectively located on both sides of the base (301), and the surface of the limit spring (32) is slidably connected to the upper end surface of the base (301).

4. The automobile controller with an anti-short circuit heat dissipation structure according to claim 3, characterized in that: An isolation plate (33) is fixedly connected to the inner side wall of the upper end of the sleeve (31), and a heat dissipation hole (34) is provided on the upper surface of the isolation plate (33).

5. The automobile controller with an anti-short circuit heat dissipation structure according to claim 4, characterized in that: A metal upper cover (4) is clamped on the upper surface of the shell (2), and a boss (5) is provided on the lower surface of the metal upper cover (4).

6. The automobile controller with an anti-short circuit heat dissipation structure according to claim 5, characterized in that: The boss (5) is recessed toward the inside of the housing (2), and the isolation plate (33) is located directly below the boss (5).

Images