An explosion-proof distribution box pressure relief component

Abstract

The utility model provides an explosion-proof distribution box pressure relief component, which relates to the technical field of distribution boxes, including: a distribution box, a partition with a hollow structure installed inside the distribution box, a heat dissipation component is arranged on the top of the partition, which is used to cool the partition, and the heat dissipation component includes: heat dissipation fins, vertical plates, heat dissipation fans and baffles, and a pressure relief component is arranged on one side of the top of the distribution box, which is used to relieve pressure inside the distribution box, and the pressure relief component includes: a pressure relief pipe, a fixed plate, a piston plate and a pressure discharge channel. This explosion-proof distribution box pressure relief component divides the inside of the distribution box into an installation cavity for installing distribution equipment and a heat dissipation cavity for heat dissipation through a partition, and then dissipates heat for the distribution equipment in the completely sealed safety cavity through the heat dissipation component in the heat dissipation cavity, thereby effectively preventing the distribution box from exploding, and the pressure relief component can automatically relieve pressure when the pressure inside the distribution box is too high, thereby avoiding the explosion of the distribution box due to excessive pressure.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution boxes, in particular to an explosion-proof distribution box pressure relief component. Background Art

[0002] An explosion-proof distribution box is an electrical device designed for environments with explosion risks. It is intended to prevent explosion accidents caused by electrical sparks or high temperatures. However, the existing distribution box body will generate a certain amount of heat during operation. If the heat cannot be discharged for a long time, it will cause the electrical components to overheat and be damaged, generating sparks. In severe cases, the distribution box body will explode and people around may be injured.

[0003] In order to solve the above problems, the publication number CN217087295U discloses "an explosion-proof distribution box" which accelerates heat dissipation through a heat dissipation fan to avoid overheating and damage to electrical components, and moves through the cooperation of the first screw and the movable frame to increase the heat dissipation range of the heat dissipation fan, further improving the heat dissipation efficiency inside the distribution box body. However, the device still has certain defects in actual use. For example, when the distribution box body of the device dissipates heat, flammable and explosive gases and dust from the outside can easily enter the distribution box, which may cause electric sparks, arcs or high temperatures to ignite these dangerous media, causing the distribution box to explode. Utility Model Content

[0004] The utility model aims to solve the shortcomings existing in the background technology and provide an explosion-proof distribution box pressure relief component. The heat dissipation component in the heat dissipation cavity dissipates heat for distribution equipment in a completely sealed safety cavity, and the pressure relief component can automatically relieve pressure inside the distribution box.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure relief component of an explosion-proof distribution box, comprising: a distribution box, a partition with a hollow structure installed inside the distribution box, a heat dissipation component is arranged on the top of the partition for cooling the partition, the heat dissipation component comprises: heat dissipation fins, vertical plates, a heat dissipation fan and a baffle, a pressure relief component is arranged on one side of the top of the distribution box for relieving pressure inside the distribution box, and the pressure relief component comprises: a pressure relief pipe, a fixing plate, a piston plate and a pressure discharge channel.

[0006] Optionally, one side of the outer end of the partition is connected to a plurality of heat fins and a vertical plate, one side of the outer end of the vertical plate is connected to a side of the inner wall of the distribution box, one side of the inner wall of the distribution box is equipped with two cooling fans, a plurality of baffles are installed inside the partition, the vertical plate, the partition and the inner wall of the distribution box are surrounded by a liquid storage cavity, a liquid pump is installed on one side of the top of the distribution box, a liquid pump is connected to the bottom of the liquid pump, a liquid infusion tube is connected to one side of the outer end of the liquid pump, one end of the infusion tube is connected to the partition, an air outlet is provided on the top of the distribution box, an air inlet is provided on the bottom of the distribution box, a dust filter is installed inside the air inlet, a drain pipe is connected to one side of the outer end of the distribution box, a control valve is installed on the outside of the drain pipe, and an injection pipe is connected to the top of the distribution box, wherein a heat dissipation assembly consisting of the heat dissipation fins, the vertical plates, the heat dissipation fans and the baffles is used to dissipate heat from the partition and the distribution equipment.

[0007] Optionally, a pressure relief pipe is connected to one side of the top of the distribution box, a fixed plate is installed inside the pressure relief pipe, a piston plate is arranged at the bottom of the fixed plate, the outer side of the piston plate is connected to the piston of the inner wall of the pressure relief pipe, pressure discharge channels are opened on both sides of the inner wall of the pressure relief pipe, a limiting rod is connected to the top of the piston plate, a spring is arranged on the outer side of the limiting rod, the spring is located between the piston plate and the fixed plate, the top of the limiting rod is connected to the limiting plate, and a limiting hole slidably connected to the limiting rod is opened on the top of the fixed plate, wherein the pressure relief assembly consisting of the pressure relief pipe, the fixed plate, the piston plate and the pressure discharge channel is used to relieve pressure inside the distribution box.

[0008] Optionally, one side of the outer end of the distribution box is rotatably connected to a box door via a hinge, a sealing strip is installed on the inner side of the box door, and a sealing groove is opened on the front side of the distribution box, wherein the sealing strip and the sealing groove are used to ensure the sealing between the box door and the distribution box.

[0009] The utility model provides an explosion-proof distribution box pressure relief component, which has the following beneficial effects:

[0010] The advantage of the utility model is that the interior of the distribution box is divided into an installation cavity for installing the distribution equipment and a heat dissipation cavity by a partition, and the distribution equipment in the completely sealed safety cavity is cooled by the heat dissipation component in the heat dissipation cavity, thereby effectively preventing the distribution box from exploding, and the pressure relief component can automatically relieve the pressure when the pressure inside the distribution box is too high, thereby avoiding the distribution box from exploding due to excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0012] Figure 2 It is a sectional view of the overall structure of the utility model.

[0013] Figure 3 This is a schematic diagram of the partition structure of the utility model.

[0014] Figure 4 This is a schematic diagram of the piston plate structure of the utility model.

[0015] Figure 5 It is a cross-sectional view of the pressure relief pipe structure of the utility model.

[0016] Figure 6 This is a cross-sectional view of the partition structure of the utility model.

[0017] Figure 1-6 In: 1-distribution box; 101-partition; 2-heat dissipation fins; 201-vertical plate; 202-cooling fan; 203-baffle; 3-liquid storage chamber; 301-liquid pump; 302-liquid suction pipe; 303-liquid infusion pipe; 304-liquid outlet pipe; 305-heat conduction plate; 4-air outlet; 401-dust filter; 402-liquid discharge pipe; 403-liquid injection pipe; 5-pressure relief pipe; 501-fixed plate; 502-piston plate; 503-pressure relief channel; 6-limit rod; 601-spring; 602-limit plate; 7-box door; 701-sealing strip; 702-sealing groove. DETAILED DESCRIPTION

[0018] The present application is described in detail below with reference to the accompanying drawings and specific implementation methods.

[0019] Example:

[0020] See also Figure 1-6 In this embodiment, a pressure relief component of an explosion-proof distribution box is provided, including: a distribution box 1, a partition 101 with a hollow structure inside is installed inside the distribution box 1, a heat dissipation component is arranged on the top of the partition 101, for cooling the partition 101, the heat dissipation component includes: heat dissipation fins 2, vertical plates 201, heat dissipation fans 202 and baffles 203, a pressure relief component is arranged on one side of the top of the distribution box 1, for relieving pressure inside the distribution box 1, the pressure relief component includes: a pressure relief pipe 5, a fixing plate 501, a piston plate 502 and a pressure discharge channel 503.

[0021] Among them, one side of the outer end of the partition 101 is connected to multiple cooling fins 2 and a vertical plate 201, one side of the outer end of the vertical plate 201 is connected to one side of the inner wall of the distribution box 1, two cooling fans 202 are installed on one side of the inner wall of the distribution box 1, and multiple baffles 203 are installed inside the partition 101. When the device is used, the distribution equipment is installed on the side of the partition 101 without the cooling fins 2. When the distribution equipment needs to be cooled, the cooling fan 202 is started to blow air to cool the multiple cooling fins 2, and the partition 101 exchanges heat with the distribution equipment through heat conduction. Therefore, the cooling fan 202 can dissipate heat and cool the distribution equipment when dissipating the heat from the cooling fins 2.

[0022] Among them, the vertical plate 201, the partition 101 and the inner wall of the distribution box 1 are surrounded by a liquid storage chamber 3, a liquid pump 301 is installed on one side of the top of the distribution box 1, a liquid pump 302 is connected to the bottom of the liquid pump 301, and a liquid infusion tube 303 is connected to one side of the outer end of the liquid pump 301, one end of the liquid infusion tube 303 is connected to the partition 101, and a liquid outlet pipe 304 is connected to one side of the outer end of the partition 101, and a heat conduction plate 305 is connected to one side of the four heat dissipation fins close to the vertical plate 201, wherein the liquid storage chamber 3 can be injected with coolant through the injection pipe 403, and then the coolant in the liquid storage chamber 3 is extracted into the liquid infusion tube 303 through the liquid extraction tube 302 by the liquid pump 301, and the coolant is extracted through the liquid infusion tube 303. 3 transports the coolant to the inside of the partition 101, and then flows back to the liquid storage chamber 3 through the liquid outlet pipe 304. In this way, the coolant can form a circulation flow inside the liquid storage chamber 3 and the partition 101. During the flow of the coolant inside the partition 101, the heat exchange with the partition is effectively enhanced. The baffle 203 is used to enhance the heat exchange effect between the coolant and the partition 101, thereby enhancing the cooling and heat dissipation effect of the partition 101 and the power distribution equipment. When the coolant flows back to the liquid storage chamber 3, since one end of the heat conduction plate 305 is located inside the liquid storage chamber 3, when the heat dissipation fins 2 are radiated, the coolant in the liquid storage chamber 3 can be radiated through the heat conduction plate 305 and the heat dissipation fins 2.

[0023] Among them, an air outlet 4 is opened on the top of the distribution box 1, an air inlet is opened at the bottom of the distribution box 1, a dust filter 401 is installed inside the air inlet, a drain pipe 402 is connected to one side of the outer end of the distribution box 1, a control valve is installed on the outside of the drain pipe 402, and an injection pipe 403 is connected to the top of the distribution box 1. When the cooling fan 202 is used, the ventilation effect on one side of the partition 101 is ensured through the air outlet 4 and the air inlet. The dust filter 401 can effectively filter the dust carried in the air entering the distribution box 1. The drain pipe 402 is used to discharge the coolant inside the liquid storage chamber 3, so it is convenient to replace or replenish the coolant in the liquid storage chamber 3. The control valve is responsible for regulating the opening and closing of the drain pipe 402, which is convenient for managing the discharge of coolant.

[0024] Among them, a pressure relief pipe 5 is connected to one side of the top of the distribution box 1, a fixed plate 501 is installed inside the pressure relief pipe 5, a piston plate 502 is arranged at the bottom of the fixed plate 501, the outer side of the piston plate 502 is connected to the piston of the inner wall of the pressure relief pipe 5, and pressure relief channels 503 are opened on both sides of the inner wall of the pressure relief pipe 5. When the pressure inside the distribution box 1 rises abnormally due to equipment overheating, failure or abnormal operation, the pressure inside the distribution box 1 will push the piston plate 502 to move toward the fixed plate 501. When the position of the piston plate 502 exceeds the bottom of the pressure relief channel 503, the air pressure in the distribution box 1 can be discharged from the pressure relief channel 503 to the outside of the distribution box 1, thereby relieving the pressure inside the distribution box 1.

[0025] Among them, the top of the piston plate 502 is connected to the limiting rod 6, and a spring 601 is arranged on the outside of the limiting rod 6, and the spring 601 is located between the piston plate 502 and the fixed plate 501, and the top of the limiting rod 6 is connected to the limiting plate 602, and the top of the fixed plate 501 is provided with a limiting hole slidably connected to the limiting rod 6. When the piston plate 502 moves toward the fixed plate 501, the spring 601 will be compressed. After the pressure inside the distribution box 1 returns to normal, the piston plate 502 can be pushed back to its original position by the rebound force of the spring 601, and the movement of the piston plate 502 will drive the limiting rod 6 and the limiting plate 602 to slide, and the limiting hole is used to ensure that the limiting rod 6 passes through the movement of the fixed plate 501, and the limiting plate 602 is used to limit the limiting rod 6 and the piston plate 502 to ensure that the piston plate 502 will not move downward again after returning to its original position.

[0026] Among them, one side of the outer end of the distribution box 1 is rotatably connected to a box door 7 through a hinge, a sealing strip 701 is installed on the inner side of the box door 7, and a sealing groove 702 is opened on the front of the distribution box 1. When the distribution box 1 is in normal use, the box door 7 is in a closed state, and when the box door 7 is in a closed state, the sealing strip 701 made of rubber material is located in the sealing groove 702, which can ensure the sealing between the box door 7 and the distribution box 1, and the top of the distribution box 1 is equipped with a gas injection pipe to facilitate the injection of inert gas or clean air to isolate external flammable and explosive gases and dust, ensure internal safety, thereby preventing electric sparks, arcs or high temperatures from igniting these dangerous media, and a rotating cover is threadedly connected to the mouth of the gas injection pipe.

[0027] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0028] The above is a detailed introduction to an explosion-proof distribution box pressure relief component provided in an embodiment of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of ​​the present application; ordinary technicians in this field should understand that: they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of each embodiment of the present application.

Claims

1. An explosion-proof distribution box pressure relief assembly, characterized in that: include: A distribution box (1), wherein a partition plate (101) having a hollow structure is installed inside the distribution box (1); A heat dissipation component is provided on the top of the partition (101) for cooling the partition (101), and the heat dissipation component comprises: heat dissipation fins (2), vertical plates (201), a heat dissipation fan (202) and a baffle (203); A pressure relief assembly is provided on one side of the top of the distribution box (1) for relieving pressure inside the distribution box (1), and the pressure relief assembly comprises: a pressure relief pipe (5), a fixing plate (501), a piston plate (502) and a pressure relief channel (503).

2. The explosion-proof distribution box pressure relief assembly according to claim 1, characterized in that: One side of the outer end of the partition (101) is connected to a plurality of heat dissipation fins (2) and a vertical plate (201), one side of the outer end of the vertical plate (201) is connected to one side of the inner wall of the distribution box (1), two heat dissipation fans (202) are installed on one side of the inner wall of the distribution box (1), and a plurality of baffles (203) are installed inside the partition (101).

3. The explosion-proof distribution box pressure relief assembly according to claim 2, characterized in that: The vertical plate (201), the partition plate (101) and the inner wall of the distribution box (1) are surrounded by a liquid storage cavity (3); a liquid pump (301) is installed on one side of the top of the distribution box (1); a liquid pump (302) is connected to the bottom of the liquid pump (301); a liquid infusion tube (303) is connected to one side of the outer end of the liquid pump (301); one end of the liquid infusion tube (303) is connected to the partition plate (101).

4. The explosion-proof distribution box pressure relief assembly according to claim 1, characterized in that: The distribution box (1) is provided with an air outlet (4) at the top, and an air inlet at the bottom. A dust filter (401) is installed inside the air inlet. A drainage pipe (402) is connected to one side of the outer end of the distribution box (1). A control valve is installed outside the drainage pipe (402). The top of the distribution box (1) is connected to a liquid injection pipe (403).

5. The explosion-proof distribution box pressure relief assembly according to claim 1, characterized in that: A pressure relief pipe (5) is connected to one side of the top of the distribution box (1), a fixing plate (501) is installed inside the pressure relief pipe (5), a piston plate (502) is arranged at the bottom of the fixing plate (501), the outer side of the piston plate (502) is connected to the inner wall of the pressure relief pipe (5) by a piston, and pressure relief channels (503) are provided on both sides of the inner wall of the pressure relief pipe (5).

6. The explosion-proof distribution box pressure relief assembly according to claim 5, characterized in that: The top of the piston plate (502) is connected to a limiting rod (6), a spring (601) is arranged on the outside of the limiting rod (6), the spring (601) is located between the piston plate (502) and the fixed plate (501), the top of the limiting rod (6) is connected to the limiting plate (602), and the top of the fixed plate (501) is provided with a limiting hole which is slidably connected to the limiting rod (6).

7. The explosion-proof distribution box pressure relief assembly according to claim 1, characterized in that: One side of the outer end of the distribution box (1) is rotatably connected to a box door (7) via a hinge, a sealing strip (701) is installed on the inner side of the box door (7), and a sealing groove (702) is provided on the front side of the distribution box (1).

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