BDU shell and battery pack circuit breaking device

Abstract

The utility model relates to the technical field of BDUs, and solves the problems that electronic elements in a BDU shell generate heat during operation, certain dust is accumulated at a ventilation and heat dissipation position along with the increase of service time, and the accumulation of the dust causes the blockage of the ventilation position and affects the heat dissipation efficiency. The BDU shell and battery pack circuit breaking device comprises a lower shell, a battery pack circuit breaker is arranged on one side of the interior of the lower shell, a fixing block used for threading and fixing is arranged on the inner side wall of the lower shell, and a special-shaped groove is formed in the side face of the lower shell. The surface of the special-shaped groove is fixedly connected with a driving assembly used for reducing the internal temperature of the lower shell, cleaning dust and guaranteeing the ventilation efficiency, the driving assembly comprises a special-shaped plate fixedly connected to the surface of the special-shaped groove, and circular grooves are formed in the surface of the special-shaped plate in an axial symmetry mode. And fans for reducing the internal temperature of the lower shell are arranged in the circular grooves.

Description

TECHNICAL FIELD

[0001] The utility model relates to BDU technical field, concretely is a kind of BDU shell and battery pack circuit breaker device. BACKGROUND

[0002] The BDU shell and battery pack circuit breaker device disclosed in CN221930355U include a mounting plate provided with a mounting groove for mounting a contactor and a reinforcing structure mounted on the mounting plate. The reinforcing structure includes an abutting plate provided with a buffer space and a plurality of reinforcing ribs arranged in the buffer space. The abutting plate is arranged on the inner side wall of the mounting groove and is used to abut against the contactor mounted in the mounting groove to limit the Z-direction displacement of the contactor.

[0003] The contactor mounted in the BDU shell avoids impacting the BDU shell and causing damage to the BDU shell, thereby improving the reliability of the BDU product.

[0004] However, the internal electronic components of the BDU shell generate heat during operation, and as the use time increases, dust accumulates in the ventilation and heat dissipation area, which affects the heat dissipation efficiency. This scheme does not have high protection for the furnace tube. SUMMARY

[0005] To overcome the shortcomings of the prior art, the utility model provides a BDU shell and battery pack circuit breaker device, which solves the problem that the internal electronic components of the BDU shell generate heat during operation, and as the use time increases, dust accumulates in the ventilation and heat dissipation area, which affects the heat dissipation efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a BDU shell and battery pack circuit breaker device, comprising a lower shell, a battery pack circuit breaker is arranged on one side of the lower shell, a fixing block for threading and fixing is arranged on the inner side wall of the lower shell, a special-shaped groove is formed on the side surface of the lower shell, and a driving assembly for reducing the temperature inside the lower shell, cleaning dust and ensuring ventilation efficiency is fixedly connected to the surface of the special-shaped groove.

[0007] In a specific embodiment, the driving assembly includes a special-shaped plate fixedly connected to the surface of the special-shaped groove, the surface of the special-shaped plate is axially symmetrical and has a circular groove, a fan for reducing the temperature inside the lower shell is arranged in the circular groove, a connecting rod is fixedly connected to the surface of the fan, a cross plate is threadedly connected to one end of the connecting rod, recesses are formed in the cross plate, flexible plate brushes for scraping dust are embedded in the recesses, a special-shaped shell is fixedly connected to the edge of the surface of the special-shaped plate, and a plurality of ventilation grooves for ventilation and heat dissipation are formed in the surface of the special-shaped shell in a rectangular array.

[0008] In an embodiment, the side surface of the fixing block is provided with a plurality of threaded holes equidistantly arranged from left to right, and a threaded rod is threadedly connected to the inside of each threaded hole.

[0009] In an embodiment, the top of the fixing block is provided with a plurality of threading holes equidistantly arranged from left to right, and a positioning piece is rotatably connected to the inside of the threaded rod and located in the inside of the threading hole.

[0010] In an embodiment, the top of the lower shell is provided with an upper shell, and the top of the upper shell is provided with a plurality of rectangular grooves for heat dissipation.

[0011] In an embodiment, the side surface of the lower shell is provided with a plurality of connecting pieces for mounting and connecting, and each connecting piece is provided with a mounting hole.

[0012] Compared with the prior art, the BDU shell and the battery pack circuit breaker device have the following beneficial effects:

[0013] In the technical scheme, the driving assembly is arranged on the special-shaped plate to form a rotating cleaning structure with the double fans and the flexible plate brush, thereby effectively solving the problem of the attenuation of the heat dissipation efficiency of the traditional BDU shell. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which are included to provide a further understanding of the application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0016] Figure 2 It is a schematic diagram of the lower shell structure of the present application;

[0017] Figure 3 It is a schematic diagram of the fixing block structure of the present application;

[0018] Figure 4 It is a schematic diagram of the driving assembly structure of the present application.

[0019] As shown in the figure, 1 is a lower shell, 2 is a circuit breaker, 3 is a fixed block, 4 is a special-shaped groove, 5 is a driving assembly, 51 is a special-shaped plate, 511 is a special-shaped shell, 512 is a ventilation groove, 52 is a circular groove, 53 is a fan, 54 is a connecting rod, 55 is a cross plate, 56 is a flexible plate brush, 6 is a threaded rod, 7 is a positioning sheet, 8 is an upper shell, and 9 is a connecting sheet. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0021] Figures 1-4 For an embodiment of the present application, a BDU shell and a battery pack circuit breaking device, comprising a lower shell 1, a battery pack circuit breaker 2 is arranged on one side of the inside of the lower shell 1, and a fixed block 3 for threading and fixing is arranged on the inner side wall of the lower shell 1, and a special-shaped groove 4 is formed on the side surface of the lower shell 1, and a driving assembly 5 for reducing the temperature inside the lower shell 1 and cleaning dust to ensure the ventilation efficiency is fixedly connected to the surface of the special-shaped groove 4.

[0022] The specific problem that the specific embodiment aims to solve is that when the electronic components inside the BDU shell are running, heat will be generated, and as the use time increases, a certain amount of dust will accumulate at the ventilation and heat dissipation place, and the accumulation of dust will cause the ventilation place to be blocked, affecting the heat dissipation efficiency. The present application utilizes the setting of the driving assembly 5 to set a double fan 53 on the special-shaped plate 51 to cooperate with the rotating cleaning structure of the flexible plate brush 56, effectively solving the problem of attenuation of the heat dissipation efficiency of the traditional BDU shell. When the fan 53 drives the cross plate 55 to rotate through the connecting rod 54, the flexible plate brush 56 can continuously clean the ventilation groove 512 of the special-shaped shell 511, ensuring that the heat dissipation channel is unobstructed, thereby improving the heat dissipation efficiency, and the driving assembly 5 of the special-shaped groove 4 on the side surface of the lower shell 1 inhales air, cooperating with the rectangular groove at the top of the upper shell 8 to form a vertical air duct, which improves the heat dissipation efficiency compared with the traditional single-sided heat dissipation structure.

[0023] The driving assembly 5 includes the special-shaped plate 51 fixedly connected to the surface of the special-shaped groove 4, the surface of the special-shaped plate 51 is axially symmetrical and provided with a circular groove 52, the inside of the circular groove 52 is provided with a fan 53 for reducing the temperature inside the lower shell 1, the surface of the fan 53 is fixedly connected with a connecting rod 54, one end of the connecting rod 54 is threadedly connected with a cross plate 55, in the embodiment, the cross plate 55 is provided with a recess, and the recess is embedded with a flexible plate brush 56 for scraping dust, the edge of the surface of the special-shaped plate 51 is fixedly connected with a special-shaped shell 511, the surface of the special-shaped shell 511 is provided with a plurality of rectangular ventilation grooves 512 in a rectangular array for ventilation and heat dissipation, the top of the lower shell 1 is provided with an upper shell 8, and the top of the upper shell 8 is provided with a plurality of rectangular grooves on one side for heat dissipation.

[0024] In the embodiment, the side surface of the fixed block 3 is sequentially provided with a plurality of threaded holes at equal intervals from left to right, and the inside of the threaded hole is threadedly connected with a threaded rod 6, the top of the fixed block 3 is sequentially provided with a plurality of threading holes at equal intervals from left to right for threading, and the surface of the threaded rod 6 is threadedly connected with a positioning piece 7 in the inside of the threaded hole and located in the inside of the threading hole, the side surface of the lower shell 1 is provided with a plurality of connecting pieces 9 for mounting connection, and the surface of the connecting piece 9 is provided with a mounting hole.

[0025] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0026] It should be noted that in this paper, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A BDU housing and battery pack circuit breaking device comprising a lower housing (1) characterised in that: One side of the inside of the lower shell (1) is provided with a battery pack circuit breaker (2), and the inner side wall of the lower shell (1) is provided with a fixed block (3) for threading and fixing, and the side of the lower shell (1) is provided with a special-shaped groove (4), and the surface of the special-shaped groove (4) is fixedly connected with a driving assembly (5) for reducing the temperature inside the lower shell (1) and cleaning dust to ensure the ventilation efficiency; The driving assembly (5) includes a special-shaped plate (51) fixedly connected to the surface of the special-shaped groove (4), and the surface of the special-shaped plate (51) is axially symmetrically provided with a circular groove (52), and the inside of the circular groove (52) is provided with a fan (53) for reducing the temperature inside the lower shell (1), and the surface of the fan (53) is fixedly connected with a connecting rod (54), and one end of the connecting rod (54) is threadedly connected with a cross plate (55), and the cross plate (55) is provided with a recess, and the recess is embedded with a flexible plate brush (56) for scraping dust.

2. A BDU housing and battery pack circuit breaking device according to claim 1, wherein: The edge of the surface of the special-shaped plate (51) is fixedly connected with a special-shaped shell (511), and the surface of the special-shaped shell (511) is provided with a plurality of ventilation grooves (512) for ventilation and heat dissipation in a rectangular array.

3. The BDU housing and battery pack circuit breaking device of claim 1, wherein: The side of the fixed block (3) is sequentially provided with a plurality of threaded holes at equal intervals from left to right, and the inside of the threaded hole is threadedly connected with a threaded rod (6).

4. The BDU housing and battery pack circuit breaking device of claim 1, wherein: The top of the fixed block (3) is sequentially provided with a plurality of threading holes for threading from left to right at equal intervals, and the surface of the threaded rod (6) is threadedly connected with a positioning piece (7) inside the threaded hole and inside the threading hole.

5. The BDU housing and battery pack circuit breaking device of claim 1, wherein: The top of the lower shell (1) is provided with an upper shell (8), and one side of the top of the upper shell (8) is provided with a plurality of rectangular grooves for heat dissipation.

6. The BDU housing and battery pack circuit breaking device of claim 1, wherein: The side of the lower shell (1) is provided with a plurality of connecting pieces (9) for mounting connection, and the surface of the connecting piece (9) is provided with a mounting hole.

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