Controller heat dissipation protection box for electric forklift

Abstract

The utility model discloses a protective box for heat dissipation of a controller of an electric forklift. The protective box comprises a controller mounting plate mounted on a frame, the controller is mounted on the controller mounting plate, a box body for protecting the controller is mounted on the controller, heat dissipation holes are formed in the box body, and an upper cover is mounted at an opening of the box body. The controller heat dissipation protection box of the electric forklift is simple in structure and convenient to manufacture, a high-voltage controller and binding posts on the controller are effectively covered by the protection box, a user is prevented from touching high-voltage electricity to generate danger in the using process, heat dissipation holes are formed in the box body, heat dissipation can be achieved through air cooling, an expensive liquid cooling system does not need to be used, and the cost is reduced. The left baffle, the right baffle and the upper cover are ingeniously designed in structure, so that rainwater, muddy water and the like are prevented from entering the protection box.

Description

Technical Field

[0001] This utility model relates to the field of lifting, transporting and handling vehicle technology, and in particular to a heat dissipation and protection box for the controller of an electric forklift. Background Technology

[0002] The market share of electric forklifts is increasing year by year, with a wide variety of models available. With the widespread adoption of lithium batteries, the system voltage of electric forklifts is also increasing. Currently, in addition to the mainstream 80V voltage platform, many forklift manufacturers have produced electric forklifts with high-voltage platforms, such as 150V and 300V. High-voltage platforms improve the overall working efficiency and reduce energy consumption to some extent. However, high-voltage systems pose certain dangers; accidental contact with high voltage during use or maintenance can threaten personal safety. Although there are many mature high-voltage protection cases in passenger vehicles for reference, forklifts, as industrial vehicles, have much lower sales volumes than passenger cars, making large-scale production impossible. Adopting high-voltage protection solutions used in passenger vehicles would be too expensive, hindering market promotion. Utility Model Content

[0003] In view of the above-mentioned defects or deficiencies, the purpose of this utility model is to provide a heat dissipation and protection box for the controller of an electric forklift.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A protective enclosure for heat dissipation of a controller in an electric forklift includes: a controller mounting plate mounted on a frame, a controller mounted on the controller mounting plate, a housing for protecting the controller mounted on the controller, heat dissipation holes on the housing, and a top cover installed at the opening of the housing.

[0006] The box is equipped with left and right baffles on both sides respectively.

[0007] Both the left and right baffles are L-shaped bent plates, and the left and right baffles are installed on the upper edge of the box body by screws.

[0008] There are gaps between the left and right baffles and the side wall of the box.

[0009] The upper and lower edges of the box are provided with flanges, and threaded holes are provided on the flanges.

[0010] The enclosure is equipped with a cable outlet hole.

[0011] The top cover is provided with a downward-facing flange for drainage.

[0012] The beneficial effects of this utility model are as follows:

[0013] This utility model provides a protective box for heat dissipation of the controller of an electric forklift. It is installed on the controller. The heat dissipation protective box of the electric forklift controller has a simple structure and is easy to manufacture. The protective box effectively covers the high-voltage controller and the terminals on the controller, preventing the user from touching the high voltage and causing danger. The box is provided with heat dissipation holes, which can dissipate heat through air cooling, eliminating the need for an expensive liquid cooling system. The left baffle, right baffle and top cover are cleverly designed to prevent rainwater, mud and water from entering the protective box. Attached Figure Description

[0014] Figure 1 This is a diagram showing the controller being installed on the chassis;

[0015] Figure 2 This is a schematic diagram of the protective box structure for heat dissipation of the controller in an electric forklift.

[0016] Figure 3 This is a schematic diagram of the back structure of the enclosure;

[0017] Figure 4 This is a side view of the enclosure.

[0018] In the diagram, 1—frame; 2—controller; 3—box; 4—right baffle; 5—top cover; 6—left baffle; 7—heat dissipation hole; 8—cable outlet hole; 1-1—mounting plate. Detailed Implementation

[0019] The present invention will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the protection scope of the present invention.

[0020] like Figure 1-2 As shown, this utility model provides a protective box for heat dissipation of the controller of an electric forklift, including: a controller mounting plate 1-1 installed on the frame 1, a controller 2 installed on the controller mounting plate 1-1, a box 3 for protecting the controller 2 installed on the controller 2, heat dissipation holes 7 opened on the box 3, and a top cover 5 installed at the opening of the box 3.

[0021] In this utility model, the controller mounting plate 1-1 is an L-shaped bent plate with bolt holes for mounting the controller. The controller mounting plate 1-1 is welded to the vehicle frame.

[0022] like Figure 3As shown, preferably, left and right baffles 6 and 4 are respectively installed on both sides of the housing 3. Both left and right baffles 6 and 4 are L-shaped bent plates. They are installed on the upper edge of the housing 3 with screws, and a gap is provided between the left and right baffles 6 and 4 and the side wall of the housing 3. Both the left and right baffles 6 and 4 are L-shaped thin plate structures. After installation, the gap between the left and right baffles 6 and 4 and the housing 3 ensures airflow and heat dissipation. Simultaneously, it prevents mud and water splashed by the vehicle tires during rainy weather from entering the housing through the heat dissipation holes and affecting the controller's operation.

[0023] Furthermore, both the upper and lower edges of the housing 3 are provided with flanges, and threaded holes are provided on the flanges. The threaded holes on the lower edge are used to connect the housing 3 to the controller 2, and the threaded holes on the upper edge are used to connect the upper cover 5, the left baffle 6, and the right baffle 4 to the housing 3.

[0024] The four sides of the housing 3 of this utility model are provided with heat dissipation holes 7, which can dissipate the heat generated by the controller 2 when it is working to the outside of the housing. In addition, the housing 3 has cable outlet holes 6, which ensure that the cable and control harness plug can enter the protective housing and connect to the controller 2.

[0025] More preferably, such as Figure 4 As shown, the upper cover 5 is provided with a downward-sloping flange for drainage. The width and length of the upper cover 5 are larger than the dimensions of the box 3. The upper cover 5 has a 30-degree downward-sloping flange. When rainwater splashes onto the protective box, the rainwater will flow out along the flange of the upper cover and will not enter the box, effectively avoiding the risk of water entering the controller 2.

[0026] Installation process of this utility model:

[0027] Weld the controller mounting plate 1-1 onto the frame 1 to fix the controller 2 in place; then, after fixing the controller 2, use bolts to connect the housing 3 to the mounting holes on the edge of the controller 2; finally, connect the top cover 5, the left baffle 6, and the right baffle 4 to the housing 3 to protect the controller 2.

[0028] It will be apparent to those skilled in the art that the above specific examples are merely preferred embodiments of this utility model. Therefore, any improvements or modifications that those skilled in the art may make to certain parts of this utility model still embody the principles of this utility model and achieve its purpose, and all fall within the scope of protection of this utility model.

Claims

1. A protection box for heat dissipation of a controller for an electric fork lift truck, characterized by: Include: The controller mounting plate (1-1) is installed on the frame (1), the controller (2) is installed on the controller mounting plate (1-1), the box (3) for protecting the controller (2) is installed on the controller (2), the box (3) is provided with a heat dissipation hole (7), and the upper cover (5) is installed on the opening of the box (3).

2. The protection case for heat dissipation of a controller for an electric fork lift truck according to claim 1, characterized in that: The left and right baffles (6, 4) are respectively installed on the two sides of the box (3).

3. The protection case for heat dissipation of a controller for an electric fork lift truck according to claim 2, characterized in that: The left and right baffles (6, 4) are L-shaped bent plates, and the left and right baffles (6, 4) are installed on the upper edge of the box (3) through screws.

4. The protection case for heat dissipation of a controller for an electric fork lift truck according to claim 3, characterized in that: The left and right baffles (6, 4) are provided with gaps between the left and right baffles (6, 4) and the side walls of the box (3).

5. The protection case for heat dissipation of a controller for an electric forklift according to claim 1 or 3, characterized by: The upper edge and the lower edge of the box (3) are provided with flanges, and the flanges are provided with threaded holes.

6. The protection box for heat dissipation of a controller of an electric forklift according to claim 1, characterized by: The box (3) is provided with a cable outlet hole (8).

7. The protection box for heat dissipation of a controller of an electric forklift according to claim 1, characterized by: The upper cover (5) is provided with an inclined downward flange for drainage.

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