An explosion-proof lighting distribution box

Abstract

This utility model provides an explosion-proof lighting distribution box, belonging to the technical field of distribution boxes. It includes a box bottom plate, explosion-proof side covers, and an explosion-proof box cover. The explosion-proof side covers are located between the box bottom plate and the explosion-proof box cover. A first bearing groove is formed on the outer wall of the box bottom plate adjacent to the locking block. A second bearing groove is formed on the inner wall of the explosion-proof side covers. A third bearing groove is formed on the outer wall of the explosion-proof box cover. An explosion-proof partition is inserted into the first, second, and third bearing grooves. This utility model, by embedding the explosion-proof partition within the box space formed by the box bottom plate, the explosion-proof side covers, and the explosion-proof box cover, not only provides all-around support for the explosion-proof partition, ensuring its secure installation and preventing it from falling off due to explosion impact, but also allows the explosion-proof partition to be pulled out when the explosion-proof side covers are opened, facilitating the full exposure of electrical components on the box bottom plate.

Description

Technical Field

[0001] This utility model belongs to the field of distribution box technology, specifically relating to an explosion-proof lighting distribution box. Background Technology

[0002] Distribution boxes are used in power systems for power generation, transmission, distribution, energy conversion and consumption, and play a role in switching, controlling or protecting. Distribution boxes occupy a very important position in the entire power industry. Explosion-proof distribution boxes are a type of distribution box with explosion-proof performance, mainly including explosion-proof lighting distribution boxes, explosion-proof power distribution boxes, explosion-proof and corrosion-resistant distribution boxes, etc.

[0003] Existing explosion-proof lighting distribution boxes have a hollow internal structure, with electrical components fixedly installed in pre-reserved locations. All electrical components are located in one space. When some electrical components explode, it can easily damage all electrical components in the distribution cabinet, and may even lead to major accidents, reducing the service life of the equipment.

[0004] Therefore, an explosion-proof lighting distribution box is proposed. Summary of the Invention

[0005] This utility model provides an explosion-proof lighting distribution box, the purpose of which is to solve the problems mentioned above.

[0006] This utility model provides an explosion-proof lighting distribution box, including a box bottom plate, an explosion-proof side cover, and an explosion-proof box cover. The explosion-proof side cover is located between the box bottom plate and the explosion-proof box cover. A first bearing groove is formed on the outer wall of the box bottom plate adjacent to the locking block. A second bearing groove is formed on the inner side wall of the explosion-proof side cover. A third bearing groove is formed on the outer wall of the explosion-proof box cover. Explosion-proof partitions are inserted into the first, second, and third bearing grooves. Hollow metal buffer plates are respectively provided at the top and bottom of the explosion-proof partitions. An arc platform is provided on the outer wall of the hollow metal buffer plate. A wire platform is provided on the outer wall of the box bottom plate near the oblique side of the first bearing groove. Inlet and outlet conduits are provided on the outer wall of the wire platform. A fitting groove is formed on the outer wall of the explosion-proof side cover near the outer side of the wire platform. Locking blocks are respectively provided on the outer walls of the box bottom plate and the explosion-proof side cover, and adjacent locking blocks are fixed together by bolts.

[0007] Furthermore, an electrical component mounting bracket is provided on one outer wall of the bottom plate of the box in the vertical direction near the receiving slot, and a pressure relief valve is provided on one outer wall of the explosion-proof box side cover.

[0008] Furthermore, the hollow metal buffer plate is located in the space formed between the bottom plate of the box, the side cover of the explosion-proof box, and the cover plate of the explosion-proof box, and the cross-section of the hollow metal buffer plate is a rectangular frame;

[0009] By adopting the above technical solution, the hollow metal buffer plate is deformed and dissipates energy when subjected to an explosive impact. The impact kinetic energy is converted into heat energy and deformation energy through metal deformation when subjected to impact, thereby buffering the explosive impact.

[0010] Furthermore, the bottom plate and the explosion-proof box cover are both hinged to the explosion-proof box side cover, and the explosion-proof box side cover and the explosion-proof box cover are fixed together by screws;

[0011] By adopting the above technical solutions, the explosion-proof box cover and bottom plate are ensured to be in close contact with the explosion-proof box side cover, thus preventing the leakage of explosion energy.

[0012] Furthermore, the conductor platform and the fitting groove are adapted to each other, and a through hole is provided on one side of the outer wall of the conductor platform near the inlet and outlet pipes.

[0013] By adopting the above technical solution, it is convenient to introduce and remove wiring harnesses for electrical components.

[0014] Furthermore, the top of the arc-shaped platform is provided with an arc-shaped portion, and a concave hole is provided on the top of the arc-shaped platform;

[0015] By adopting the above technical solution, an arc-shaped surface can be formed through the arc part and concave hole on the arc platform. The arc-shaped surface is used to change the propagation direction of the shock wave, weaken the energy concentration effect, and effectively disperse the shock wave of the explosion.

[0016] The beneficial effects of this utility model are as follows:

[0017] This utility model features an explosion-proof partition embedded within the enclosure space formed by the bottom plate, side cover, and top plate of the enclosure. This not only provides all-around support for the explosion-proof partition, ensuring its secure installation and preventing it from falling off due to an explosion, but also allows the partition to be pulled out when the side cover is opened. This exposes the electrical components on the bottom plate, making it easier for operators to disassemble, install, and maintain the electrical components without the constraints of the side cover and partition.

[0018] By deforming and absorbing energy under the impact of an explosion through a hollow metal buffer plate, the kinetic energy of the impact can be converted into heat energy and deformation energy, thus buffering the impact of the explosion. The arc surface on the circular platform changes the direction of the shock wave propagation, weakens the energy concentration effect, and effectively disperses the shock wave of the explosion. This better protects the electrical components separated in the explosion-proof lighting distribution box, prevents damage to other electrical components during an explosion, and ensures the service life of the equipment.

[0019] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0022] Figure 2 This is an exploded view of an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the explosion-proof partition structure according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the explosion-proof box cover structure according to an embodiment of the present utility model;

[0025] Attached reference numerals: 1. Box bottom plate; 2. Explosion-proof box side cover; 3. Explosion-proof box cover plate; 4. Locking block; 5. Electrical component mounting bracket; 6. Bearing slot one; 7. Bearing slot two; 8. Bearing slot three; 9. Explosion-proof partition; 10. Hollow metal buffer plate; 11. Arc platform; 12. Wire platform; 13. Inlet and outlet conduits; 14. Fitting groove; 15. Pressure relief valve. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] Reference Figure 1-4This utility model embodiment proposes an explosion-proof lighting distribution box, including a box bottom plate 1, an explosion-proof box side cover 2, and an explosion-proof box cover 3. The explosion-proof box side cover 2 is located between the box bottom plate 1 and the explosion-proof box cover 3. The box bottom plate 1 and the explosion-proof box cover 3 are both hinged to the explosion-proof box side cover 2. The explosion-proof box side cover 2 and the explosion-proof box cover 3 are fixed together by screws to ensure that the explosion-proof box cover 3 and the box bottom plate 1 are in close contact with the explosion-proof box side cover 2, so as to avoid leakage of explosion energy. Locking blocks 4 are provided on the outer side walls of the box bottom plate 1 and the adjacent locking blocks 4 are fixed together by bolts. An electrical component mounting bracket 5 is provided on one side of the outer wall of the box bottom plate 1 near the inner side of the explosion-proof box side cover 2. The electrical component mounting bracket 5 has a mounting hole on the outer side of the side away from the box bottom plate 1.

[0028] A bearing groove 6 is formed vertically on one outer wall of the bottom plate 1, near the electrical component mounting bracket 5. A bearing groove 7 is formed on the inner wall of the explosion-proof box side cover 2. A bearing groove 8 is formed on one outer wall of the explosion-proof box cover 3. Bearing grooves 6, 7, and 8 are on the same horizontal line, and explosion-proof partitions 9 are inserted inside the bearing grooves 6, 7, and 8. Hollow metal buffer plates 10 are provided at the top and bottom of the explosion-proof partitions 9. The hollow metal buffer plates 10 are located in the space formed between the bottom plate 1, the explosion-proof box side cover 2, and the explosion-proof box cover 3. The hollow metal buffer plate 10 has a rectangular cross-section. It utilizes the deformation of the hollow metal buffer plate 10 to dissipate energy when subjected to an explosion impact. By deforming the metal during the impact, the impact kinetic energy is converted into heat energy and deformation energy, thus buffering the explosion impact. Several arc platforms 11 are arranged in a rectangular array on the outer wall of the hollow metal buffer plate 10. The top of the arc platform 11 is provided with an arc part, and the top of the arc platform 11 is provided with a concave hole. Through the arc part and the concave hole on the arc platform 11, an arc surface can be formed. The arc surface is used to change the propagation direction of the shock wave, weaken the energy concentration effect, and effectively disperse the shock wave of the explosion.

[0029] A wire platform 12 is provided on one outer wall of the bottom plate 1 near the electrical component mounting bracket 5. An inlet / outlet conduit 13 is provided on one outer wall of the wire platform 12. A fitting groove 14 is provided on one outer wall of the explosion-proof box side cover 2 near the outer side of the wire platform 12. The wire platform 12 and the fitting groove 14 are compatible. A through hole is provided on one outer wall of the wire platform 12 near the inlet / outlet conduit 13 to facilitate the entry and exit of the electrical component wiring harness. A pressure relief valve 15 is provided on one outer wall of the explosion-proof box side cover 2.

[0030] The specific implementation method is as follows: When performing explosion-proof isolation treatment on electrical components in the distribution box, the electrical components are first installed on the electrical component mounting bracket 5. Then, the explosion-proof partition 9 is inserted into the receiving slot 2 7 on the inner side wall of the explosion-proof box side cover 2. After moving horizontally along the receiving slot 2 7, it is inserted into the receiving slot 1 6. Finally, the explosion-proof box cover 3 is closed and fixed. At this time, the receiving slot 3 8 on the explosion-proof box cover 3 is fitted onto the explosion-proof partition 9. The locking block 4 between the box bottom plate 1 and the explosion-proof box side cover 2 is connected and fixed with bolts. The explosion-proof partition 9 is located in the box space formed by the box bottom plate 1, the explosion-proof box side cover 2 and the explosion-proof box cover 3. Multiple electrical components in the distribution box are isolated by the explosion-proof partition 9.

[0031] When one of the electrical components in the distribution box explodes, the arc platform 11 uses its own arc surface to change the direction of the shock wave propagation, weaken the energy concentration effect, and effectively disperse the shock wave of the explosion. The hollow metal buffer plate 10 deforms after being impacted by the explosion. The hollow metal buffer plate 10 consumes energy during the deformation process. By deforming the metal when impacted, the impact kinetic energy is converted into heat energy and deformation energy, thus buffering the impact of the explosion.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof lighting distribution box, characterized in that: It includes a bottom plate (1), an explosion-proof side cover (2) and an explosion-proof cover (3), wherein the explosion-proof side cover (2) is located between the bottom plate (1) and the explosion-proof cover (3); A receiving groove (6) is formed on the outer wall of the bottom plate (1) of the box adjacent to the locking block (4); The second bearing groove (7) is opened on the inner side wall of the explosion-proof box side cover (2); A bearing groove three (8) is formed on the outer wall of one side of the explosion-proof box cover (3); Explosion-proof partition (9) inserted inside the bearing slot one (6), bearing slot two (7) and bearing slot three (8); Hollow metal buffer plates (10) are respectively installed at the top and bottom of the explosion-proof partition (9); An arcuate platform (11) is provided on the outer wall of the hollow metal buffer plate (10); A wire guide platform (12) is provided on the outer wall of one side of the bottom plate (1) of the box, near the oblique side of the receiving slot (6); Inlet and outlet conduits (13) are provided on the outer wall of the conductor platform (12); A fitting groove (14) is provided on the outer wall of one side of the explosion-proof box side cover (2) near the outer side of the wire platform (12); Locking blocks (4) are respectively installed on the outer side walls of the bottom plate (1) and the side cover (2) of the explosion-proof box, and adjacent locking blocks (4) are fixed together by bolts.

2. An explosion-proof lighting distribution box according to claim 1, characterized in that: An electrical component mounting bracket (5) is provided on the outer wall of one side of the bottom plate (1) in the vertical direction near the receiving slot (6), and a pressure relief valve (15) is provided on the outer wall of one side of the explosion-proof box side cover (2).

3. The explosion-proof lighting distribution box of claim 1, wherein: The hollow metal buffer plate (10) is located in the space formed between the bottom plate (1), the side cover (2) of the explosion-proof box and the cover plate (3) of the explosion-proof box, and the cross-section of the hollow metal buffer plate (10) is a rectangular frame.

4. The explosion-proof lighting distribution box of claim 1, wherein: The bottom plate (1) and the explosion-proof box cover (3) are both hinged to the explosion-proof box side cover (2), and the explosion-proof box side cover (2) and the explosion-proof box cover (3) are fixed together by screws.

5. The explosion-proof lighting distribution box of claim 1, wherein: The conductor platform (12) and the fitting groove (14) are adapted to each other, and a through hole is provided on one side of the outer wall of the conductor platform (12) near the inlet and outlet pipe (13).

6. An explosion-proof lighting distribution box according to claim 1, wherein: The top of the arc platform (11) is provided with an arc portion, and the top of the arc platform (11) is provided with a concave hole.

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