Explosion-proof electrical control box

Abstract

The utility model relates to the technical field of electrical boxes, and discloses an explosion-proof electrical control box, which comprises an explosion-proof box, one side of the explosion-proof box is fixedly connected with a hinge I, one side of the hinge I is fixedly connected with a box door, one side of the box door is fixedly connected with a hinge II, one side of the hinge II is fixedly connected with an observation door, and the observation door is fixedly connected with the explosion-proof box. A visual window is arranged in the observation door, a heat dissipation assembly is arranged on one side of the box door, and a carding assembly is arranged in the explosion-proof box. The heat dissipation assembly comprises a dust cover, one side of the dust cover is fixedly connected to one side of the box door, and the dust cover is communicated with the box door. According to the utility model, the dust collection pipe channel is opened by screwing the valve, the dust collection fan is used for exhausting air and is matched with the filtering effect of the dust cover and the filter screen, so that the efficient heat dissipation and dust prevention effects are realized, and the problems that the heat dissipation efficiency is low, heat in the box body cannot be dissipated in time and fine dust is easy to enter the box body in a dusty environment are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical box technical field especially relates to a flame -proof electrical control box. BACKGROUND

[0002] In numerous industrial sites existing flammable and explosive environment, such as petroleum chemical industry, coal mining, natural gas processing etc., flame -proof electrical control box plays a vital role, it is the key facility of guaranteeing electrical equipment safe and stable operation, through special structure design and explosion -proof technology, can effectively prevent the electric spark, electric arc etc. of the electrical element operation in the box body, ignites the explosive mixture around, thereby avoids the occurrence of explosion accident, simultaneously, along with the long -term use of electrical control box in complex harsh environment, its heat dissipation and dustproof performance also put forward higher requirements, to ensure that the electrical element in the box body works under the suitable temperature environment, and avoids the electrical failure caused by dust accumulation, guarantees the continuity and reliability of entire industrial production system,

[0003] Traditional flame -proof electrical control box usually focuses on the construction of explosion -proof structure, and the box body is mostly made of thick metal material, and the explosion -proof integrity of the box body is ensured through special welding or sealing process, and in terms of heat dissipation, the common mode is to rely on the surface fin of the box body to dissipate heat naturally, and the heat in the box body is dissipated to the surrounding environment by using the heat conductivity of metal.

[0004] However, the heat dissipation and dust prevention effect of the traditional flame -proof electrical control box is poor and difficult to maintain, since only relying on simple fins and ordinary metal mesh cover, in high temperature, dusty environment, the heat dissipation efficiency is low, the heat in the box body cannot be dissipated in time, and the electrical elements are easily damaged by overheating, and the dust prevention ability of the metal mesh cover is limited, and small dust is easy to enter the box body, and when cleaning dust, due to the limitation of the structure design, the cleaning work is difficult, often needs to disassemble a large number of parts, not only time -consuming and labor -intensive, but also easy to damage the explosion -proof performance of the box body in the disassembly process, increases the equipment maintenance cost and safety risk, therefore, a flame -proof electrical control box is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a flame -proof electrical control box, which aims at improving the problem that only relying on simple fins and ordinary metal mesh cover in dusty environment, the heat dissipation efficiency is low, the heat in the box body cannot be dissipated in time, and small dust is easy to enter the box body.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] An explosion -proof electrical control box, including the explosion -proof box, one side of the explosion -proof box is fixedly connected with hinge one, one side of the hinge one is fixedly connected with the door, one side of the door is fixedly connected with hinge two, one side of the hinge two is fixedly connected with the observation door, the observation door is internally provided with the view window, one side of the door is provided with the heat dissipation assembly, the explosion -proof box is internally provided with the carding assembly;

[0008] The heat dissipation assembly includes a dust cover, the dust cover is fixedly connected with the dust cover, the dust cover is connected with the dust cover, the dust cover is fixedly connected with the filter screen, the dust cover is fixedly connected with the dust cover, the dust cover is provided with a valve, and the dust cover is fixedly connected with the dust cover.

[0009] As a further description of the above technical scheme:

[0010] The carding assembly includes a fixed plate and a support block, the fixed plate is fixedly connected with the inside of the explosion -proof box, and the support block is fixedly connected with the other side of the fixed plate;

[0011] As a further description of the above technical scheme:

[0012] The support shaft is fixedly connected with the support block, and the support shaft is rotatably connected with the clamping block one;

[0013] As a further description of the above technical scheme:

[0014] The support shaft is rotatably connected with the clamping block two, and the observation door and the door are fixedly connected with the handle;

[0015] As a further description of the above technical scheme:

[0016] The clamping block one is internally provided with a slot, and the clamping block two is slidably connected in the slot;

[0017] As a further description of the above technical scheme:

[0018] The clamping block one and the clamping block two are arc-shaped, and the clamping block one and the clamping block two are fixedly connected with the connecting plate;

[0019] As a further description of the above technical scheme:

[0020] Two connecting plates are provided with springs at the bottom, and the springs are fixedly connected with the connecting plate and the fixed plate at both ends.

[0021] The utility model has the advantages of:

[0022] 1. The utility model discloses a dust absorption pipe channel is opened to twist valve, and the filter effect of dust cover and filter screen is cooperated with dust fan suction, realizes the effect of high -efficient heat dissipation dust prevention, solves the problem that only relies on simple fin and ordinary metal mesh cover, in dusty environment, the heat dissipation efficiency is low, the heat in the box body cannot be promptly dissipated, and the fine dust is easy to enter the inside problem of box body, thereby improve the practicality of control box.

[0023] 2. The utility model discloses a cable is clamped between the card block one and the card block two, utilizes the card block rotation to drive the connecting plate extrusion spring, and then the spring rebound makes the card block clamping cable, realizes the effect that the line is conveniently carded, solves the problem that the inside line of traditional electrical control box is in disorder, is difficult to arrange fixed, is inconvenient for overhauling maintenance and has the security hidden danger, thereby improve the safety of control box. DRAWINGS

[0024] Figure 1 It is the three -dimensional schematic diagram of a kind of explosion-proof electrical control cabinet proposed in the utility model;

[0025] Figure 2 It is the inside structure schematic diagram of explosion-proof box of a kind of explosion-proof electrical control cabinet proposed in the utility model;

[0026] Figure 3 It is the fixed plate structure schematic diagram of a kind of explosion-proof electrical control cabinet proposed in the utility model;

[0027] Figure 4 It is the spring structure schematic diagram of a kind of explosion-proof electrical control cabinet proposed in the utility model.

[0028] Legend:

[0029] 1, explosion-proof box;2, hinge one;3, box door;4, observation door;5, hinge two;6, visible window;7, dust cover;8, filter screen;9, dust absorption pipe;10, dust fan;11, valve;12, fixed plate;13, support block;14, support shaft;15, card block one;16, card block two;17, empty slot;18, connecting plate;19, spring;20, handle. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] Reference Figure 1 and Figure 2The utility model provides an embodiment: a kind of explosion-proof electrical control cabinet, including explosion-proof box 1, hinged joint one 2 is fixedly connected in explosion-proof box 1 one side, hinged joint one 2 one side is fixedly connected with door 3, door 3 one side is fixedly connected with hinged joint two 5, hinged joint two 5 one side is fixedly connected with observation door 4, observation door 4 is provided with visual window 6 inside, for observing the working condition or equipment operating condition in electrical control cabinet, door 3 one side is provided with heat dissipation component, and explosion-proof box 1 is provided with carding component inside;

[0032] Heat dissipation component includes dust cover 7, dust cover 7 one side is fixedly connected in door 3 one side, and dust cover 7 is communicated with door 3, to provide air circulation passage, dust cover 7 is fixedly connected with filter screen 8 inside, and filter screen 8 is used to filter dust and other particulate matters in the air entering the box, to prevent external dust from entering the box body and affecting the normal operation of internal electrical equipment, dust cover 7 is fixedly connected with dust suction pipe 9 inside, valve 11 is arranged on the outer wall of dust suction pipe 9, for controlling the flow of air in dust suction pipe 9, dust suction fan 10 is fixedly connected at one end of dust suction pipe 9, and dust suction fan 10 can generate negative pressure, promote air flow and discharge harmful gas, hot air and dust in the box, ensure the cleanness and heat dissipation performance of the environment in the box.

[0033] Specifically, in the process of using the electrical control cabinet, when dust inside explosion-proof box 1 needs to be cleaned, valve 11 is first screwed, to ensure that valve 11 is opened, so that the passage inside dust suction pipe 9 is opened, facilitating the discharge of dust and hot air, and dust suction fan 10 can efficiently suck out the dust and hot air inside explosion-proof box 1 by generating strong airflow, while external air flows into the box body through dust cover 7. When air enters, it will be filtered by filter screen 8, and filter screen 8 is composed of multiple layers of filtering material, which can effectively block larger particulate dust in the air, ensure that the air inside the box body flows smoothly and is clean, effectively reduce the influence of dust on equipment, so as to realize effective heat dissipation and dust prevention.

[0034] Reference Figures 2-4The carding assembly comprises a fixed plate 12 and a support block 13, one side of the fixed plate 12 is fixedly connected inside the explosion-proof box 1, one side of the support block 13 is fixedly connected to the other side of the fixed plate 12, the support block 13 is fixedly connected with a support shaft 14 inside, the support shaft 14 is rotatably connected with a clamping block one 15 outside, the support shaft 14 is rotatably connected with a clamping block two 16 outside, the observation door 4 and the box door 3 are fixedly connected with a handle 20 on one side, which is convenient for the user to open the observation door 4 and the box door 3 for inspection, maintenance or repair when needed, the clamping block one 15 is provided with a hollow slot 17 inside, the clamping block two 16 is slidably connected inside the hollow slot 17, the clamping block one 15 is slidably connected with the clamping block two 16 through the hollow slot 17, the clamping block one 15 and the clamping block two 16 are both arc-shaped, the clamping block one 15 and the clamping block two 16 are both fixedly connected with a connecting plate 18 outside, two connecting plates 18 are both provided with a spring 19 at the bottom, and the two ends of the spring 19 are fixedly connected inside the connecting plate 18 and the fixed plate 12 respectively, through the action of the spring 19, the clamping block one 15 and the clamping block two 16 can be smoothly moved during work and automatically restored to the original position.

[0035] Specifically, when the line inside the explosion-proof box 1 needs to be carded, the cable should be accurately placed between the clamping block one 15 and the clamping block two 16 first, in this process, the clamping block one 15 and the clamping block two 16 will be forced to rotate on both sides of the support shaft 14, at the same time, the rotation of the clamping block one 15 and the clamping block two 16 will also drive the connecting plate 18 outside to move, the movement of the connecting plate 18 will exert pressure on the spring 19 inside, so that it is compressed, when the cable is completely clamped between the clamping block one 15 and the clamping block two 16, through the spring 19 unloading rebound, it can ensure that the reset action of the clamping block one 15 and the clamping block two 16 is fast and accurate, so as to firmly fix the cable, not only can effectively card the line, but also can ensure that the line is neat and firm inside the explosion-proof box 1, thereby improving the convenience of maintenance and the safety of electrical equipment.

[0036] Working principle: in the process of using the electrical control box, when the dust inside the explosion-proof box 1 needs to be cleaned, first twist the valve 11, make it open the channel inside the dust suction pipe 9, then through the air power of the dust suction fan 10, the dust and hot air inside the explosion-proof box 1 is sucked out, at the same time, the new air enters the explosion-proof box 1 through the dust cover 7, and the new air will be filtered by the filter screen 8, so that the filter screen 8 blocks the larger particles of dust in the air, so as to achieve the effect of effectively cooling and dustproofing the inside of the explosion-proof box 1, when the line inside the explosion-proof box 1 needs to be combed, first clamp the cable between the clamping block one 15 and the clamping block two 16, in this process, the clamping block one 15 and the clamping block two 16 will rotate on both sides of the outer wall of the supporting shaft 14 under stress, at the same time, the clamping block one 15 and the clamping block two 16 will drive the connecting plate 18 of the outer wall to move, so that the connecting plate 18 extrudes the spring 19 connected to it under stress, so that it shrinks, when the cable is completely clamped between the clamping block one 15 and the clamping block two 16, through the unloading rebound of the spring 19, in turn drive the clamping block one 15 and the clamping block two 16 to reset, make it clamp on the outer wall of the cable and fix it, so as to achieve the effect of conveniently combing the line inside the explosion-proof box 1.

[0037] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An explosion-proof electrical control box comprising an explosion-proof box (1), characterized in that: One side of the explosion-proof box (1) is fixedly connected with a hinge one (2), one side of the hinge one (2) is fixedly connected with a box door (3), one side of the box door (3) is fixedly connected with a hinge two (5), one side of the hinge two (5) is fixedly connected with an observation door (4), the observation door (4) is internally provided with a viewing window (6), one side of the box door (3) is provided with a heat dissipation assembly, the explosion-proof box (1) is internally provided with a carding assembly; The heat dissipation assembly comprises a dust cover (7), one side of the dust cover (7) is fixedly connected with the box door (3), the dust cover (7) is communicated with the box door (3), the dust cover (7) is internally fixedly connected with a filter screen (8), the dust cover (7) is internally fixedly connected with a dust suction pipe (9), the dust suction pipe (9) is provided with a valve (11) on the outer wall, one end of the dust suction pipe (9) is fixedly connected with a dust suction fan (10).

2. The flame-proof electrical control tank as claimed in claim 1, wherein: The carding assembly comprises a fixed plate (12) and a supporting block (13), one side of the fixed plate (12) is fixedly connected inside the explosion-proof box (1), one side of the supporting block (13) is fixedly connected with the other side of the fixed plate (12).

3. The flame-proof electrical control tank as claimed in claim 2, wherein: The supporting block (13) is internally fixedly connected with a supporting shaft (14), the supporting shaft (14) is rotatably connected with a clamping block one (15) on the outer wall.

4. The flame-proof electrical control tank as claimed in claim 3, wherein: The supporting shaft (14) is rotatably connected with a clamping block two (16) on the outer wall, one side of the observation door (4) and the box door (3) is fixedly connected with a handle (20).

5. An explosion-proof electrical control box according to claim 4, characterized in that: The clamping block one (15) is internally provided with a hollow groove (17), the clamping block two (16) is slidably connected inside the hollow groove (17).

6. The flame-proof electrical control tank as claimed in claim 5, wherein: The clamping block one (15) and the clamping block two (16) are both arc-shaped, the clamping block one (15) and the clamping block two (16) are both fixedly connected with a connecting plate (18) on the outer wall.

7. An explosion-proof electrical control box according to claim 6, characterized in that: The bottom of the two connecting plates (18) is provided with a spring (19), and the two ends of the spring (19) are fixedly connected with the connecting plate (18) and the fixed plate (12) respectively.

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