Electric vehicle controller structure

Abstract

The utility model discloses an electric vehicle controller structure which comprises a first heat dissipation tooth, a second heat dissipation tooth, a heat dissipation bottom plate, a capacitor plate, a capacitor fixing piece, a control panel, a control panel sealing gasket, a shell, a light guide column, a waterproof nameplate and a dustproof cover, the first heat dissipation tooth and the second heat dissipation tooth are located below the heat dissipation bottom plate, and the first heat dissipation tooth and the second heat dissipation tooth are modularly designed and can be selectively installed according to different requirements. The capacitor plate is located on the heat dissipation bottom plate, the capacitor fixing sheet is pasted on the capacitor plate, the control panel sealing gasket is placed on the control panel and is extruded with the shell to form sealing, the light guide column is located on the shell and is fixed on the shell through pressing, the waterproof nameplate is pasted on the surface of the shell, and the waterproof nameplate is fixed on the shell through pressing. Through the above design, the protection performance of the electric vehicle controller is improved, and the shock resistance and the heat dissipation capability are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, and more specifically, it relates to a structure of an electric vehicle controller. Background Art

[0002] The electric vehicle controller is one of the core components of an electric vehicle, and its main functions are to control the start, operation, stop, and speed adjustment of the motor, etc.; with the continuous development of new energy vehicles, the power density of the electric vehicle controller is constantly increasing, and the protection and appearance are becoming increasingly important, putting forward higher requirements for the heat dissipation ability, protection ability, and aesthetics of the controller;

[0003] The existing electric vehicle controller mainly dissipates heat by setting a heat dissipation substrate at its bottom end. For example, a structure of an electric vehicle controller disclosed in a Chinese patent document with the publication number CN218735730U has a simple structure, poor heat dissipation effect, and cannot select and install a suitable heat dissipation substrate as needed, with poor flexibility in use and heat dissipation performance;

[0004] In addition, during the use of the existing electric vehicle controller, although a housing structure is provided to protect the internal control board, capacitor board, etc., some wire harness terminals are still exposed on its outer surface. These exposed wire harness terminals are easily eroded by external dust, rain, etc., affecting the use performance;

[0005] In addition, in the prior art, the light guide column on the electric vehicle controller and the housing are integrally injection molded, which takes a long injection time and is costly. Summary of the Utility Model

[0006] (1) Technical Problems to be Solved

[0007] Aiming at the problems existing in the prior art, the utility model provides a structure of an electric vehicle controller to solve the technical problems in the prior art mentioned in the background art, such as poor heat dissipation effect of the electric vehicle controller structure, partial exposure of wire harness terminals outside, easy erosion by external dust, rain, etc., affecting the use performance, and the light guide column and the housing are integrally injection molded, with a long injection time and high cost.

[0008] (2) Technical Solutions

[0009] To achieve the above object, the utility model provides the following technical solution: A structure of an electric vehicle controller, characterized in that: it includes a capacitor board and a capacitor fixing piece, and the capacitor fixing piece is pasted on the capacitor board;

[0010] Control board: It is arranged above the capacitor fixing piece, and a control board gasket is arranged on its upper surface, and the control board gasket forms a seal by extrusion with the housing;

[0011] Heat dissipation base plate: Located below the capacitor plate, and a heat dissipation tooth group is provided at the bottom end. Among them, the tooth group includes a first heat dissipation tooth and a second heat dissipation tooth. The first heat dissipation tooth and the second heat dissipation tooth are located below the heat dissipation base plate. The heat dissipation base plate can be optionally equipped with different models of heat dissipation teeth, with a modular design, flexible and variable, and the heat dissipation capacity can be changed according to different needs;

[0012] Shell: Installed on the heat dissipation base plate and covering the capacitor plate, the capacitor fixing piece and the control board. A waterproof nameplate is pasted on the surface of the shell;

[0013] Light guide column: Press-fixed on the shell, and the waterproof nameplate covers the light guide column;

[0014] Dust-proof cover: Covers the shell.

[0015] The present utility model is further configured such that the capacitors on the capacitor plate are integrally pasted through the capacitor fixing piece, enhancing the anti-fracture ability of the capacitors.

[0016] The present utility model is further configured such that the control board gasket has double waterproof ribs and is installed on the control board, and forms a waterproof structure by extruding with the shell.

[0017] The present utility model is further configured such that the shell is provided with a hole, the light guide column is press-fixed in the hole of the shell, and the waterproof nameplate is pasted on the surface of the shell and covers the hole. Compared with the method of integrally injecting the light guide column and the shell by injection molding, the injection molding time and cost are saved, and at the same time, the waterproof nameplate combines the effects of waterproof and beauty.

[0018] The present utility model is further configured such that the dust-proof cover is installed on the shell to cover the wire harness terminals exposed on the surface of the shell, providing further dust-proof and water-splash-proof functions.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the present utility model provides a structure of an electric vehicle controller, having the following beneficial effects:

[0021] 1. The present utility model installs a heat dissipation tooth group at the bottom end of the heat dissipation base plate. Among them, the heat dissipation tooth group includes a first heat dissipation tooth and a second heat dissipation tooth. Different first heat dissipation teeth and second heat dissipation teeth with different heat dissipation capabilities can be optionally installed according to different actual working conditions, with a modular design, flexible and variable.

[0022] 2. For the capacitors on the capacitor plate of the present utility model, the capacitor fixing piece is used for integral pasting. When a single capacitor is in a bumpy and vibrating environment, the pins will shake and cause fatigue fracture. All the capacitors are glued into a whole through the capacitor fixing piece, enhancing the anti-fracture ability of the capacitors.

[0023] 3. The control board gasket in the present utility model has double waterproof ribs. It is placed on the control board and forms a seal with the housing under extrusion. Compared with a single-layer gasket, the protection is more reliable.

[0024] 4. In the present utility model, the light guide column is installed in the hole of the housing, and the waterproof nameplate is pasted on the surface of the housing and covers the hole. Compared with the way of integrally injecting the light guide column and the housing, it saves injection time and cost. At the same time, the waterproof nameplate combines the effects of waterproof and aesthetics.

[0025] 5. The present utility model installs a dust-proof cover on the housing to provide further dust-proof and water-splashing protection for the wire harness terminals exposed on the surface of the housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is the exploded three-dimensional structural schematic diagram of the present utility model;

[0027] Figure 2 is the cross-sectional schematic diagram of the gasket part of the present utility model;

[0028] Figure 3 is the exploded three-dimensional structural schematic diagram of the housing part in the present utility model;

[0029] Figure 4 is the three-dimensional structural schematic diagram of the dust-proof cover part in the present utility model.

[0030] In the figure: 1. First heat dissipation tooth; 2. Second heat dissipation tooth; 3. Heat dissipation bottom plate; 4. Capacitor board; 5. Capacitor fixing piece; 6. Control board; 7. Control board gasket; 8. Housing; 9. Light guide column; 10. Waterproof nameplate; 11. Dust-proof cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0032] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0033] In the present utility model, unless otherwise stated, the orientations such as "upper and lower" are usually in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions; similarly, for ease of understanding and description, "left and right" are usually in the left and right shown in the drawings; "inside and outside" refer to the inside and outside relative to the contour of each component itself, but the above orientation terms do not limit the present utility model.

[0034] Please refer toFigures 1-4 , the present utility model provides the following technical solutions: An electric vehicle controller structure includes a first heat dissipation tooth 1, a second heat dissipation tooth 2, a heat dissipation bottom plate 3, a capacitor plate 4, a capacitor fixing piece 5, a control board 6, a control board gasket 7, a housing 8, a light guide column 9, a waterproof nameplate 10, and a dust-proof cover 11;

[0035] Among them, the first heat dissipation tooth 1 and the second heat dissipation tooth 2 cooperate to form a heat dissipation tooth group and are installed at the bottom end of the heat dissipation bottom plate 3;

[0036] In the present utility model, the heat dissipation bottom plate 3 can be equipped with the first heat dissipation tooth 1 and the second heat dissipation tooth 2 with different heat dissipation capabilities according to different actual working conditions, with modular design, flexible and variable;

[0037] In the present utility model, the capacitor plate 4 is located on the heat dissipation bottom plate 3, the capacitor fixing piece 5 is pasted on the capacitor plate 4, the control board gasket 7 is placed on the control board 6, and is squeezed with the housing 8 to form a seal;

[0038] The light guide column 9 is fixed on the housing 8 by pressing, the waterproof nameplate 10 is pasted on the surface of the housing 8, and the dust-proof cover 11 covers the upper part of the housing 8.

[0039] Please refer to Figures 1-4 , as an implementation manner of the capacitor plate 4: The capacitors on the capacitor plate 4 are integrally pasted using the capacitor fixing piece 5. When a single capacitor is in a bumpy and vibrating environment, the pins will shake and cause fatigue fracture. All the capacitors are glued into a whole through the capacitor fixing piece 5 to enhance the anti-fracture ability of the capacitors;

[0040] Please refer to Figures 1-4 , as an implementation manner of the control board gasket 7: The control board gasket 7 has double waterproof ribs. It is placed on the control board 6 and is squeezed with the housing 8 to form a seal. Compared with a single-layer gasket, the protection is more reliable;

[0041] Please refer to Figures 1-4 , as an implementation manner of the light guide column 9: The light guide column 9 is installed in the hole of the housing 8, and the waterproof nameplate 10 is pasted on the surface of the housing 8 and covers the hole. Compared with the way of integrally injecting the light guide column 9 and the housing 8, the injection time and cost are saved. At the same time, the waterproof nameplate 10 combines the functions of waterproof and aesthetics. Here, the waterproof nameplate 10 is located at the light guide column and can be treated as a light-transmitting window;

[0042] Please refer to Figures 1-4 , as an implementation manner of the dust-proof cover 11: The dust-proof cover 11 is installed on the housing 8 to provide further dust-proof and waterproof splash functions for the wire harness terminals exposed on the surface of the housing 8.

[0043] In summary, when the present utility model is in use:

[0044] By installing a heat dissipation tooth group at the bottom end of the heat dissipation base plate 3, wherein the heat dissipation tooth group includes a first heat dissipation tooth 1 and a second heat dissipation tooth 3, the first heat dissipation tooth 1 and the second heat dissipation tooth 2 with different heat dissipation capabilities can be selected according to different actual working conditions, and the modular design is flexible and changeable;

[0045] In the utility model, the capacitors on the capacitor plate 4 are integrally bonded using a capacitor fixing sheet 5. In a bumpy and vibrating environment, the pins of a single capacitor will shake and cause fatigue fracture. All capacitors are bonded as a whole through the capacitor fixing sheet 5, thereby enhancing the anti-fracture ability of the capacitor.

[0046] The control panel sealing gasket 7 in the utility model has a double-layer waterproof rib, which is placed on the control panel 6 and squeezed with the housing 8 to form a seal. Compared with a single-layer sealing gasket, the protection is more reliable;

[0047] In the present invention, the light guide column 9 is installed in the hole of the housing 8, and the waterproof nameplate 10 is attached to the surface of the housing 8 and covers the hole. Compared with the method of integrally injecting the light guide column 9 and the housing 8, the injection molding time and cost are saved, and the waterproof nameplate 10 has the effect of combining waterproofness and beauty.

[0048] The utility model installs the dust cover 11 on the housing 8 to provide further dustproof and water splashproof functions for the wiring harness terminals exposed on the surface of the housing 8 .

[0049] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;

[0050] In all the schemes mentioned above, those involving the operation of electrical components are controlled by the controller unless otherwise clearly described. Since the devices matched with the controller are commonly used devices, their control principles and line connections are all existing well-known and mature technologies, and their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. An electric vehicle controller structure, comprising a capacitor plate (4) and a capacitor fixing plate (5), characterized in that: The capacitor fixing sheet (5) is adhered to the capacitor plate (4); A control board (6) is arranged above the capacitor fixing plate (5), and a control board sealing gasket (7) is arranged on the upper surface thereof, wherein the control board sealing gasket (7) and the housing (8) are squeezed to form a seal; A heat dissipation bottom plate (3): located below the capacitor plate (4), and having a heat dissipation tooth group disposed at the bottom end; A housing (8) is mounted on the heat dissipation base plate (3) and covers the capacitor plate (4), the capacitor fixing plate (5) and the control board (6); a waterproof nameplate (10) is attached to the surface of the housing (8); A light guide column (9) is pressed and fixed on the housing (8), and the waterproof nameplate (10) covers the top of the light guide column (9); Dust cover (11): covers the shell (8).

2. The electric vehicle controller structure according to claim 1 is characterized in that: The heat dissipation tooth group comprises a first heat dissipation tooth (1) and a second heat dissipation tooth (2), wherein the first heat dissipation tooth (1) and the second heat dissipation tooth (2) are located below the heat dissipation bottom plate (3).

3. The electric vehicle controller structure according to claim 1 is characterized in that: The capacitor on the capacitor plate (4) is integrally bonded via the capacitor fixing sheet (5).

4. The electric vehicle controller structure according to claim 1 is characterized in that: The control panel sealing gasket (7) has a double layer of waterproof ribs and is installed on the control panel (6) to form a waterproof structure by squeezing it with the housing (8).

5. The electric vehicle controller structure according to claim 1 is characterized in that: The shell (8) is provided with a hole, the light guide column (9) is pressed and fixed in the hole of the shell (8), and the waterproof nameplate (10) is adhered to the surface of the shell (8) and covers the hole.

6. An electric vehicle controller structure according to any one of claims 1 to 5, characterized in that: The dust cover (11) is mounted on the housing (8) to cover the wiring harness terminals exposed on the surface of the housing (8).

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