Waterproof structure for electric vehicle controller

Abstract

The waterproof structure comprises a top cover, a clamping block and a clamping groove, the bottom of the top cover is connected with the clamping block, the clamping block is connected with a shell through an insertion clamping groove, positioning blocks are arranged on the two sides of the interior of the clamping groove, one side of each positioning block is fixedly connected with a spring, and the other side of each positioning block is fixedly connected with the corresponding spring. A sealing gasket is arranged between the top cover and the shell, an inner cover is installed in the shell through installation bolts, a controller body is arranged in the shell, one side of the controller body is connected with a wire, and the bottom of the controller body is connected with an installation plate. And a sealing piece is arranged on the outer side of a sealing gasket, water is prevented from entering the shell to damage the controller body, the protection effect is improved, and a wire is arranged in a corrugated sleeve, so that the phenomenon that water drops flow to the joint with the controller body through the wire to cause short circuit of the controller body is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicles, in particular to a waterproof structure for an electric vehicle controller. Background Art

[0002] The electric vehicle controller is a core control device used to control the start, operation, advance and retreat, speed, stop of the electric vehicle motor and other electronic devices of the electric vehicle. It is like the brain of the electric vehicle and is an important component of the electric vehicle.

[0003] After searching, Chinese utility model patent CN218072089U discloses a waterproof structure for an electric vehicle controller, including a waterproof box, the inner wall of which is provided with a waterproof inner cavity, the bottom of which is provided with a bottom end plate, the inner wall of which is provided with a controller, the waterproof inner cavity is provided with a connection platform, the bottom end plate is connected to the connection platform by snapping, and the connection platform is located at the bottom of the outer periphery of the waterproof inner cavity and is fixedly connected with a waterproof strip. The waterproof box is installed in a suitable position by fixing bolts and fixing blocks for use, and the accumulated water on the top of the waterproof box is discharged through the drainage groove during use, so as to avoid damage to the electric vehicle circuit caused by water ingress to the controller and improve the service life of the controller.

[0004] The existing device will have the following problems when in use: when the electric vehicle is in use, the moisture that the electric vehicle is exposed to for a long time will corrode the bolts, thereby corroding the joints of the bolts, resulting in insufficient sealing performance, poor protection of the internal controller, and no protection between the wires and the controller, which can easily cause a short circuit. Utility Model Content

[0005] The utility model aims to provide a waterproof structure for an electric vehicle controller to solve the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof structure for an electric vehicle controller, comprising a top cover, a card block, and a card slot, wherein the bottom of the top cover is connected to the card block, and the card block is connected to a shell through an insert card slot, positioning blocks are provided on both sides of the interior of the card slot, and a spring is fixedly connected to one side of the positioning block, an inner cover is installed inside the shell through mounting bolts, a controller body is provided inside the shell, one side of the controller body is connected to a wire, and the bottom of the controller body is connected to a mounting plate, and the mounting plate is bolted to the inner bottom side of the shell.

[0007] Preferably, a wire hole is opened on one side of the shell, a corrugated sleeve is arranged inside the wire hole, and a wire is connected inside the corrugated sleeve.

[0008] Preferably, a sealing gasket is provided on the outer side of the top of the shell, a sealing sheet is provided on the outer side of the sealing gasket, and a sealing gasket is provided between the top cover and the shell.

[0009] Preferably, a heat sink is provided on one side of the housing.

[0010] Preferably, a card slot is provided on the top of the shell.

[0011] Preferably, positioning grooves are provided on both sides of the clamping block, and the positioning grooves are adapted to the positioning block.

[0012] Preferably, the top cover and the outer wall of the shell are both in contact with the sealing sheet.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. A sealing gasket is provided between the top cover and the shell to ensure the sealing of the connection between the top cover and the shell. A sealing sheet is provided on the outside of the sealing gasket to prevent water from entering the inside of the shell and causing damage to the controller body, thereby improving the protection effect. An inner cover is installed through the inside of the shell through mounting bolts to improve the waterproof performance.

[0015] 2. A wire is arranged inside the corrugated sleeve to prevent water droplets from flowing through the wire to the connection with the controller body, causing a short circuit in the controller body, thereby increasing the overall sealing and improving the service life of the controller body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the top cover structure of the utility model.

[0020] Figure 4 It is a partial structural schematic diagram of the utility model.

[0021] In the figure: 1. sealing gasket; 2. inner cover; 3. top cover; 4. mounting bolts; 5. sealing sheet; 6. controller body; 7. corrugated sleeve; 8. wire; 9. mounting plate; 10. housing; 11. heat sink; 12. slot; 13. block; 14. spring; 15. positioning block. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4In the embodiment of the utility model, a waterproof structure for an electric vehicle controller includes a top cover 3, a card block 13, and a card slot 12. The top cover 3 is connected to a card block 13 at the bottom, and the card block 13 is connected to a housing 10 by plugging into the card slot 12. Positioning blocks 15 are provided on both sides of the interior of the card slot 12, and a spring 14 is fixedly connected to one side of the positioning block 15. By inserting the card block 13 at the bottom of the top cover 3 into the interior of the card slot 12, the positioning block 15 inside the card slot 12 limits and fixes the card block 13 under the action of the spring 14, so that the top cover 3 and the housing 10 are easy to disassemble, and the internal controller body 6 is easy to maintain. The interior of the housing 10 is installed with an inner cover 2 by installing bolts 4, which improves the waterproof performance. The interior of the housing 10 is provided with a controller body 6, and a wire 8 is connected to one side of the controller body 6. The bottom of the controller body 6 is connected to a mounting plate 9, and the mounting plate 9 is bolted to the inner bottom side of the housing 10. A wire hole is provided on one side of the shell 10, and a corrugated sleeve 7 is provided inside the wire hole. A wire 8 is connected inside the corrugated sleeve 7 to prevent water droplets from flowing through the wire 8 to the connection with the controller body 6, causing a short circuit in the controller body 6. A sealing gasket 1 is provided on the outer side of the top of the shell 10 to ensure the sealing of the connection between the top cover 3 and the shell 10. A sealing sheet 5 is provided on the outer side of the sealing gasket 1 to prevent water from entering the interior of the shell 10 and causing damage to the controller body 6, thereby improving the protective effect. A sealing gasket 1 is provided between the top cover 3 and the shell 10, and a heat sink 11 is provided on one side of the shell 10 to facilitate rapid heat dissipation of the heat generated by the controller body 6. A card slot 12 is provided on the top of the shell 10, and positioning slots are provided on both sides of the card block 13. The positioning slots are adapted to the positioning block 15, and the outer walls of the top cover 3 and the shell 10 are both in contact with the sealing sheet 5.

[0024] The working principle of the utility model is: by inserting the block 13 at the bottom of the top cover 3 into the inside of the card slot 12, the positioning block 15 inside the card slot 12 limits and fixes the block 13 under the action of the spring 14, so that the top cover 3 and the shell 10 are easy to disassemble, and the internal controller body 6 is easy to maintain. A sealing gasket 1 is arranged between the top cover 3 and the shell 10 to ensure the sealing of the connection between the top cover 3 and the shell 10. A sealing sheet 5 is arranged on the outside of the sealing gasket 1 to prevent water from entering the inside of the shell 10. An inner cover 2 is installed through the inside of the shell 10 by installing bolts 4, which improves the waterproof performance. A wire 8 is arranged inside the corrugated sleeve 7 to prevent water droplets from flowing through the wire 8 to the connection with the controller body 6, causing a short circuit in the controller body 6.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A waterproof structure for an electric vehicle controller, comprising a top cover (3), a card block (13), and a card slot (12), characterized in that: The bottom of the top cover (3) is connected to a card block (13), and the card block (13) is connected to the housing (10) through a plug-in card slot (12). Positioning blocks (15) are provided on both sides of the interior of the card slot (12), and a spring (14) is fixedly connected to one side of the positioning block (15). The interior of the housing (10) is installed with an inner cover (2) through mounting bolts (4). The interior of the housing (10) is provided with a controller body (6), and one side of the controller body (6) is connected to a wire (8). The bottom of the controller body (6) is connected to a mounting plate (9), and the mounting plate (9) is bolted to the bottom side of the interior of the housing (10).

2. A waterproof structure for an electric vehicle controller according to claim 1, characterized in that: A wire hole is provided on one side of the housing (10), a corrugated sleeve (7) is provided inside the wire hole, and a wire (8) is connected inside the corrugated sleeve (7).

3. A waterproof structure for an electric vehicle controller according to claim 1, characterized in that: A sealing gasket (1) is arranged on the outer side of the top of the shell (10), a sealing sheet (5) is arranged on the outer side of the sealing gasket (1), and a sealing gasket (1) is arranged between the top cover (3) and the shell (10).

4. A waterproof structure for an electric vehicle controller according to claim 1, characterized in that: A heat sink (11) is provided on one side of the housing (10).

5. The waterproof structure for an electric vehicle controller according to claim 1, characterized in that: A card slot (12) is provided on the top of the housing (10).

6. The waterproof structure for an electric vehicle controller according to claim 1, characterized in that: Positioning grooves are provided on both sides of the clamping block (13), and the positioning grooves are adapted to the positioning block (15).

7. A waterproof structure for an electric vehicle controller according to claim 1, characterized in that: The top cover (3) and the outer wall of the housing (10) are both in contact with the sealing sheet (5).

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