CN209930802U - A heat-dissipating air-cooled shell structure of an electric vehicle motor controller - Google Patents

Abstract

The utility model provides a heat dissipation air-cooled shell structure of an electric vehicle motor controller, which belongs to the technical field of vehicle corollary equipment and comprises a shell, a cover plate and a mounting groove, wherein the top of the shell is fixedly connected with the cover plate through a bolt, the inside of the shell is integrally provided with a supporting plate, four ends of the cover plate are integrally provided with mounting holes, the front of the shell is integrally provided with a ventilation groove, the ventilation groove is communicated with the shell, and the side of the shell is integrally provided with a through wire port, the heat generated after the motor controller component works is absorbed after naturally rising through heat dissipation fins, and is taken away by a rotating heat dissipation fan, the heat is dissipated in a composite heat exchange mode through the heat conduction of the heat dissipation fins, the heat dissipation effect is effectively improved, the vibration conducted upwards by the vehicle can be effectively buffered through a spring buffer component, thereby the influence of the vibration on the motor controller component, the service life of the motor controller assembly is prolonged.

Description

A heat-dissipating air-cooled shell structure of an electric vehicle motor controller

technical field

The utility model relates to the technical field of vehicle supporting equipment, in particular to a casing of a motor controller.

Background technique

The currently disclosed patent number is: CN201721177911.7 A motor controller housing with heat dissipation design has the following disadvantages when in use:

Although the heat on the internal control circuit can be taken away by natural aerodynamic force, due to the closed internal environment, such a design is far from meeting the heat dissipation requirements, resulting in poor heat dissipation effect;

During the driving process of the vehicle, the bumpy road conditions will cause the motor controller to vibrate in the casing, and the strong vibration will also affect the stability of the motor controller and the service life of the motor controller components;

Due to the above problems, the motor controller casing has poor use effect. Therefore, it is necessary to conduct further research on the existing motor controller casing to provide a new heat dissipation and air-cooled casing structure for the electric vehicle motor controller.

Utility model content

The utility model aims to solve the problem that the design of the existing motor controller casing is far from meeting the heat dissipation requirements, resulting in poor heat dissipation effect, and the bumpy road conditions will cause the motor controller to vibrate in the casing and affect the service life of the motor controller components. , to provide a heat-dissipating air-cooled shell structure of an electric vehicle motor controller. The heat generated by the motor controller assembly after operation is absorbed by the heat-dissipating fins after it naturally rises, and is taken away by the rotating cooling fan. Heat conduction, dissipating heat in a composite heat exchange mode, effectively improving the heat dissipation effect, and the spring buffer components can effectively buffer the upward vibration of the vehicle, thereby reducing the impact of vibration on the motor controller components fixed in the installation slot, and improving the motor controller components. service life.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a heat-dissipating air-cooled shell structure of an electric vehicle motor controller, comprising a shell, a cover plate and a mounting groove, the top of the shell is fixedly connected with a cover plate by bolts, so The inside of the casing is integrally provided with a support plate, the four ends of the cover plate are integrally provided with mounting holes, the front of the casing is integrally provided with a ventilation groove, and the ventilation groove is communicated with the casing, the casing The side of the casing is integrally provided with a wire port, and the wire port is communicated with the casing, the lower end of the casing is fixedly connected with a mounting frame by bolts, and the inner bottom end of the casing is integrally provided with a buffer assembly, the An installation groove is embedded in the interior of the casing, a cooling fan is fixedly connected to the side surface of the casing through bolts, and a heat dissipation fin is fixedly connected to the lower end of the cover plate through bolts.

Preferably, the cooling fan is electrically connected to an external power source through a wire.

Preferably, the support plate extends to the lower end of the cover plate, and the surface of the support plate is integrally provided with through holes, and the through holes fit with the installation holes.

Preferably, the surface of the cover plate is integrally provided with embedded grooves.

Preferably, the housing is provided with a filter screen at the ventilation slot, and the air outlet of the cooling fan is located directly opposite the ventilation slot.

Preferably, the mounting frame lifts the outer shell.

Preferably, the heat dissipation fins are copper-inlaid heat dissipation fins, and the heat dissipation fins are suspended at the upper end of the installation groove.

Preferably, the buffer component is a spring buffer component, and the installation groove is fixed on the upper end of the spring buffer component.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

(1) The heat dissipation air-cooled shell structure of the electric vehicle motor controller, when the motor controller components in the shell generate heat after operation, the heat rises naturally, is absorbed by the copper heat dissipation fins on the top, and is brought to the surface of the heat dissipation fins On the top, the cooling fan works, blowing air outwards, and is taken away by the rotating cooling fan. Through the heat conduction of the cooling fins, the heat is dissipated in a compound heat exchange mode, providing auxiliary cooling function for the shell. The cavity reaches the ventilation slot to carry heat away and dissipate heat.

(2) When the vehicle is bumpy, the bottom of the casing will not be in direct contact with the lower end due to the mounting bracket, so that the shaking force will not be directly transmitted to the components inside the casing. The spring buffer assembly can effectively Buffers the upwardly conducted vibration of the vehicle, thereby reducing the impact of the vibration on the motor controller assembly fixed in the installation slot, and improving the service life of the motor controller assembly.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the specific internal structure of the casing of the present invention.

In the figure: 1- shell; 2- cover plate; 3- ventilation slot; 4- cable port; 5- mounting bracket; 6- buffer assembly; 7- mounting slot; 8- cooling fan; 9- cooling fin; 101 - pallet; 201 - mounting holes.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments.

Example:

As shown in Figure 1-2;

This embodiment provides a heat dissipation and air-cooled casing structure of an electric vehicle motor controller, including a casing 1, a cover plate 2 and a mounting slot 7. The top of the casing 1 is fixedly connected with the cover plate 2 by bolts, and the interior of the casing 1 is integrated A support plate 101 is provided, four ends of the cover plate 2 are integrally provided with mounting holes 201, a ventilation groove 3 is integrally provided on the front of the casing 1, and the ventilation groove 3 is communicated with the casing 1, and the side surface of the casing 1 is integrally provided with a The wire port 4, and the wire port 4 is communicated with the casing 1, the lower end of the casing 1 is fixedly connected with the mounting frame 5 by bolts, the inner bottom end of the casing 1 is integrally provided with a buffer assembly 6, and the interior of the casing 1 is embedded with a In the installation slot 7, the inner side of the casing 1 is fixedly connected with a cooling fan 8 by bolts, and the lower end of the cover plate 2 is fixedly connected with a cooling fin 9 by bolts.

Further, the cooling fan 8 is electrically connected with an external power source through a wire, and the external power source provides a power source for the cooling fan 8 to ensure its blowing and cooling work.

Further, the support plate 101 extends to the lower end of the cover plate 2, and the surface of the support plate 101 is integrally provided with through holes, and the through holes fit the mounting holes 201. The support plate 101 supports the cover plate 2, so that the cover plate 101 supports the cover plate 2. The plate 2 is parallel to the casing 1. By screwing screws into the mounting holes 201, the screws gradually extend into the through holes to fix the cover plate 2 and the casing 1 to prevent the cover plate 2 from falling off.

Further, the surface of the cover plate 2 is integrally provided with embedded grooves, and through the embedded grooves, the cover plate 2 can be more easily taken out from the casing 1, which makes the use more convenient.

Further, the housing 1 is provided with a filter screen at the ventilation slot 3, and the air outlet of the cooling fan 8 is located directly opposite the ventilation slot 3. While performing the blowing and cooling work, it is ensured that external dust is not easy to enter the housing 1 through the ventilation slot 3. Inside, the cooling fan 8 works and blows air to the outside. The cooling fan 8 passes through the cavity inside the entire casing 1 and reaches the ventilation slot 3 to take away heat and dissipate heat.

Further, the mounting bracket 5 lifts the casing 1 so that the bottom of the casing 1 will not directly contact the lower end, and when the vehicle is bumpy, the shaking force will not be directly transmitted to the components inside the casing 1 .

Further, the heat dissipation fins 9 are copper-inlaid heat dissipation fins, and the heat dissipation fins 9 are suspended at the upper end of the installation groove 7. The copper heat dissipation fins 9 can quickly dissipate a large amount of heat generated by the operation of the motor controller inside the casing 1. The heat energy is brought to the surface of the heat dissipation fins 9, so that a large amount of heat energy is quickly diffused to the heat dissipation fins 9 and taken away by the rotating heat dissipation fan 8. Through the heat conduction of the heat dissipation fins 9, the heat is dissipated in a compound heat exchange mode. Provides auxiliary heat dissipation function for housing 1.

Further, the buffer assembly 6 is a spring buffer assembly, and the installation groove 7 is fixed on the upper end of the buffer assembly 6. The spring buffer assembly 6 can effectively buffer the vibration conducted by the vehicle, thereby reducing the vibration to the motor controller assembly fixed in the installation groove 7. effect and increase the service life of the motor controller components.

working principle:

When using the heat-dissipating air-cooled casing structure of the electric vehicle motor controller provided by the present invention, the casing 1 is placed in a stable installation area, the mounting frame 5 is fixed in the installation area of the vehicle by bolts, and the casing 1 is fixed in the installation area of the vehicle. The wire of the motor controller assembly is connected to the battery of the vehicle through the wire port 4. The power supply of the battery provides the power source for the cooling fan 8 to ensure its blowing and cooling work. It rises naturally, is absorbed by the copper cooling fins 9 on the top, and is brought to the surface of the cooling fins 9. The cooling fan 8 works, blowing air outward, and is taken away by the rotating cooling fan 8, and the heat conduction through the cooling fins 9 , to dissipate heat in a compound heat exchange mode to provide auxiliary heat dissipation function for the casing 1. The cooling fan 8 passes through the cavity inside the entire casing 1 and reaches the ventilation slot 3 to take away the heat and dissipate heat. When the vehicle is bumpy, due to the installation The frame 5 lifts the casing 1, so that the bottom of the casing 1 will not directly contact the lower end, so that the shaking force will not be directly transmitted to the components inside the casing 1, and the spring buffer assembly 6 can effectively buffer the upward vibration of the vehicle. , thereby reducing the impact of vibration on the motor controller assembly fixed in the installation slot 7 and increasing the service life of the motor controller assembly.

The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, some modifications and improvements can be made without departing from the concept of the present utility model. These should also be regarded as the present utility model. The scope of protection of the new model will not affect the effect of the implementation of the present utility model and the practicability of the patent.

Claims (8)

1. A heat dissipation air-cooling shell structure of an electric vehicle motor controller comprises a shell (1), a cover plate (2) and a mounting groove (7), and is characterized in that the cover plate (2) is fixedly connected to the top of the shell (1) through a bolt, a support plate (101) is integrally arranged in the shell (1), mounting holes (201) are integrally formed in four ends of the cover plate (2), a ventilation groove (3) is integrally formed in the front of the shell (1), the ventilation groove (3) is communicated with the shell (1), a through line port (4) is integrally formed in the side face of the shell (1), the through line port (4) is communicated with the shell (1), a mounting frame (5) is fixedly connected to the lower end of the shell (1) through a bolt, a buffer assembly (6) is integrally arranged at the bottom end in the shell (1), the heat dissipation structure is characterized in that a mounting groove (7) is formed in the shell (1) in an embedded mode, a heat dissipation fan (8) is fixedly connected to the side face of the interior of the shell (1) through bolts, and heat dissipation fins (9) are fixedly connected to the lower end of the cover plate (2) through bolts.

2. The heat-dissipating air-cooling casing structure of an electric vehicle motor controller according to claim 1, characterized in that the heat-dissipating fan (8) is electrically connected to an external power supply through an electric wire.

3. The structure of the heat-dissipating air-cooling casing of the electric vehicle motor controller according to claim 1, wherein the support plate (101) extends to the lower end of the cover plate (2), and a through hole is integrally formed in the surface of the support plate (101) and is engaged with the mounting hole (201).

4. The heat-dissipating air-cooling casing structure of an electric vehicle motor controller according to claim 1, characterized in that the surface of the cover plate (2) is integrally provided with an embedded groove.

5. The heat-dissipating air-cooling casing structure of the electric vehicle motor controller according to claim 1, wherein a filter screen is provided at the position of the ventilation slot (3) of the casing (1) in a matching manner, and the heat-dissipating fins (9) are hung at the upper end of the mounting slot (7).

6. The heat-dissipating air-cooling casing structure of an electric vehicle motor controller according to claim 1, characterized in that the mounting bracket (5) suspends the casing (1) from the air.

7. The heat-dissipating air-cooling exterior case structure of an electric vehicle motor controller according to claim 1, wherein the heat-dissipating fins (9) are copper-inlaid heat-dissipating fins, and the heat-dissipating fins (9) are hung at the upper end of the mounting groove (7).

8. The heat-dissipating air-cooling casing structure of an electric vehicle motor controller according to claim 1, wherein the buffer assembly (6) is a spring buffer assembly, and the mounting groove (7) is fixed at an upper end of the buffer assembly (6).

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