Explosion-proof electrical control box

Abstract

The utility model relates to the technical field of control boxes, in particular to an explosion-proof electrical control box which comprises a control box body, one side of the front end of the control box body is hinged to one side of a box door, an electric device is installed in an interlayer, two sides of the electric device abut against an explosion-proof plate, and two sides of the back end of the explosion-proof plate are respectively provided with a buffer mechanism. The buffer mechanism comprises an anti-explosion rod, one end of the anti-explosion rod is fixedly connected to the anti-explosion plate on the corresponding side, the other end of the anti-explosion rod is fixedly connected with a movable plate, and a disposable air bag is installed at the back end of the movable plate. When the electric device explodes, the explosion-proof plates on the two sides are pushed to move in the opposite directions, and buffering is conducted through the disposable air bags. Air in the disposable air bag passes through the air valve and the air leakage pipe and then impacts the pressure release valve to be discharged. Therefore, the influence caused by explosion is greatly reduced.

Description

Technical Field

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

[0002] An electrical control box contains one or more switchgear and related control, measurement, signal, protection, regulation and other equipment. It is mainly used in industrial equipment control, production sites, on-site office areas and other occasions.

[0003] Currently, when an electrical control box explodes, how to reduce the impact of the explosion has become a technical problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0004] The utility model provides an explosion-proof electrical control box, which is used to solve the problem of how to reduce the impact of the explosion when the electrical control box explodes.

[0005] The utility model provides an explosion-proof electrical control box, comprising a control box, one side of the front end of the control box is hinged to one side of the box door, a partition is arranged inside the control box, electrical components are installed inside the partition, explosion-proof plates are abutted on both sides of the electrical components, and buffer mechanisms are respectively arranged on both sides of the back end of the explosion-proof plates;

[0006] The buffer mechanism includes an explosion-proof rod, one end of which is fixedly connected to the explosion-proof plate on the corresponding side, and the other end is fixedly connected to a movable plate. A pre-inflated disposable airbag is installed on the back end of the movable plate. The outer surface of the disposable airbag is sleeved with an outer frame, and an air valve is embedded on the inner side of the outer frame. The air valve controls the sealing state of the disposable airbag. The back end of the air valve is connected to an air release pipe, and the air release pipe is installed around the inner side of the control box. The surface of the air release pipe is connected to an air outlet, and one end of the air outlet is connected to a pressure relief valve.

[0007] In some of the embodiments, the pressure relief valve is installed on one side of the control box, and a plurality of flow regulating components are sleeved on the outer surface of the air relief pipe.

[0008] In some embodiments, the flow regulating assembly includes a fixed sleeve, the back side of which is fixedly mounted on the inner side of the control box, a plurality of buffer springs are installed inside the fixed sleeve, one end of the buffer spring is fixedly connected to a buffer plate, and an air vent pipe is clamped between the buffer plates.

[0009] In some of the embodiments, guide rails are provided on both sides of the inner part of the outer frame, and sliders are slidably connected to the inner part of the guide rails, and the sliders are fixedly connected to both sides of the movable plate.

[0010] In some embodiments, a positioning strip is fixedly installed on the unhinged side of the door, a threaded rod is screwed on the positioning strip, a positioning block is screwed on the back end of the threaded rod, the positioning block is fixedly installed on the unhinged side of the control box, and a knob is fixed on one end of the threaded rod passing through the positioning strip.

[0011] In some of the embodiments, the control box, the box door, the explosion-proof plate and the explosion-proof rod are made of aluminum alloy.

[0012] The beneficial effects of the utility model are as follows: the explosion-proof electrical control box of the utility model is provided with a pre-inflated disposable airbag. When an electrical device explodes, the explosion-proof plates on both sides are pushed to move in opposite directions, and the disposable airbags on both sides are used for buffering. The gas in the disposable airbag passes through the air valve and the air release pipe and then impacts the pressure relief valve to be discharged. In this way, the impact of the explosion is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of some specific embodiments of an explosion-proof electrical control box of the utility model;

[0014] Figure 2 yes Figure 1 The internal structure diagram of the explosion-proof electrical control box shown;

[0015] Figure 3 yes Figure 1 A cross-sectional view of the outer frame of the explosion-proof electrical control box shown;

[0016] Figure 4 yes Figure 1 The schematic diagram of the structure of the flow regulating component in the explosion-proof electrical control box is shown.

[0017] In the attached drawings, 1. control box; 2. box door; 3. partition; 4. electrical components; 5. explosion-proof plate; 6. buffer mechanism; 601. explosion-proof rod; 602. movable plate; 603. disposable airbag; 604. outer frame; 605. air valve; 606. air release pipe; 607. air outlet; 608. pressure relief valve; 7. flow regulating assembly; 701. fixing sleeve; 702. buffer spring; 703. buffer plate; 8. guide rail; 9. slider; 11. positioning strip; 12. threaded rod; 13. positioning block; 14. knob. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] As described in the background art, when an electrical control box explodes, how to reduce the impact of the explosion becomes a technical problem that needs to be solved urgently by those skilled in the art.

[0020] To solve the above problems, refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides an explosion-proof electrical control box, including a control box 1, one side of the front end of the control box 1 is hinged to one side of a box door 2, a partition 3 is provided inside the control box 1, and an electrical device 4 is installed inside the partition 3. It should be noted that the electrical device 4 is a switch device and control, measurement, signal, protection, regulation and other equipment related to the switch device. Explosion-proof plates 5 are abutted on both sides of the electrical device 4, and buffer mechanisms 6 are respectively provided on both sides of the back end of the explosion-proof plates 5. The buffer mechanism 6 includes an explosion-proof rod 601, one end of which is fixedly connected to the explosion-proof plate 5 on the corresponding side, and the other end is fixedly connected to a movable plate 602. A pre-inflated disposable airbag 603 is installed on the back end of the movable plate 602. The outer surface of the disposable airbag 603 is sleeved with an outer frame 604, and the inner side of the outer frame 604 is embedded with an air valve 605, and the air valve 605 controls the sealing state of the disposable airbag 603. The back end of the air valve 605 is connected to a gas release pipe 606, and the gas release pipe 606 is installed around the inner side of the control box 1. The surface of the gas release pipe 606 is connected to an air outlet 607, and one end of the air outlet 607 is connected to a pressure relief valve 608. When the electrical device 4 explodes, the explosion-proof plates 5 on both sides are pushed to move in opposite directions, and the disposable airbag 603 is used for buffering. The gas in the disposable airbag 603 passes through the air valve 603 and the gas release pipe 606 and then impacts the pressure relief valve 608 to be discharged. This greatly reduces the impact of the explosion.

[0021] Specifically, in the exemplary embodiment, the pressure relief valve 608 is installed on one side of the control box 1, and a plurality of flow regulating components 7 are sleeved on the outer surface of the deflation pipe 606. The flow regulating component 7 includes a fixed sleeve 701, the back side of the fixed sleeve 701 is fixedly installed on the inner side of the control box 1, and a plurality of buffer springs 702 are installed inside the fixed sleeve 701. A buffer plate 703 is fixedly connected to one end of the buffer spring 702, and the deflation pipe 606 is clamped between the buffer plates 703. When the gas in the disposable airbag 603 is discharged from the disposable airbag 603, the deflation pipe 606 expands, and the expansion amplitude of the deflation pipe is buffered by the buffer spring 702 and the buffer plate 703, which prolongs the time for the gas in the disposable airbag 603 to flow out of the control box 1, further reducing the impact of the explosion.

[0022] Specifically, in the exemplary embodiment, guide rails 8 are provided on both sides of the inner part of the outer frame 604, and sliders 9 are slidably connected inside the guide rails 8. The sliders 9 are fixedly connected to both sides of the movable plate 602. The movable plate 602 moves laterally inside the guide rails 8 through the sliders 9, thereby ensuring the smooth movement of the movable plate 602.

[0023] Specifically, in the exemplary embodiment, two positioning bars 11 are fixedly installed on the unhinged side of the door 2, and a threaded rod 12 is screwed on each of the two positioning bars. A positioning block 13 is screwed on the back end of each threaded rod 12. Both positioning blocks 13 are fixedly installed on the unhinged side of the control box 1. A knob 14 is fixed at one end of each threaded rod 12 that passes through the positioning bar 11. By manually turning the knob 14, the threaded rod 12 is fixedly connected to the positioning bar 11 to lock the side of the door 2 that is not hinged to the control box 1.

[0024] Specifically, in the exemplary embodiment, the control box 1, the box door 2, the explosion-proof plate 5 and the explosion-proof rod 601 are all made of aluminum alloy, and the overall structure meets the requirements of explosion impact, thereby ensuring the explosion-proof effect.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In the present utility model, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0029] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An explosion-proof electrical control box, comprising a control box, characterized in that: One side of the front end of the control box is hinged to one side of the box door, a partition is provided inside the control box, an electrical component is installed inside the partition, explosion-proof plates are abutted on both sides of the electrical component, and buffer mechanisms are respectively provided on both sides of the back end of the explosion-proof plates; The buffer mechanism includes an explosion-proof rod, one end of which is fixedly connected to the explosion-proof plate on the corresponding side, and the other end is fixedly connected to a movable plate, a pre-inflated disposable airbag is installed on the back end of the movable plate, the outer surface of the disposable airbag is sleeved with an outer frame, an inner side surface of the outer frame is embedded with an air valve, and the air valve controls the sealing state of the disposable airbag, the back end of the air valve is connected to an air deflation pipe, and the air deflation pipe is installed around the inner side surface of the control box, the surface of the air deflation pipe is connected to an air outlet, and one end of the air outlet is connected to a pressure relief valve.

2. The explosion-proof electrical control box according to claim 1, characterized in that: The pressure relief valve is installed on one side of the control box, and a plurality of flow regulating components are sleeved on the outer surface of the air relief pipe.

3. The explosion-proof electrical control box according to claim 2, characterized in that: The flow regulating assembly includes a fixed sleeve, the back side of which is fixedly mounted on the inner side of the control box, a plurality of buffer springs are installed inside the fixed sleeve, one end of the buffer spring is fixedly connected to a buffer plate, and the buffer plates are clamped with the air vent pipe.

4. The explosion-proof electrical control box according to claim 1, characterized in that: Guide rails are provided at two sides inside the outer frame, and sliding blocks are slidably connected inside the guide rails, and the sliding blocks are fixedly connected to two sides of the movable plate.

5. The explosion-proof electrical control box according to claim 1, characterized in that: A positioning strip is fixedly installed on the unhinged side of the box door, a threaded rod is screwed on the positioning strip, a positioning block is screwed on the back end of the threaded rod, the positioning block is fixedly installed on the unhinged side of the control box, and a knob is fixed on one end of the threaded rod that passes through the positioning strip.

6. The explosion-proof electrical control box according to claim 1, characterized in that: The control box, the box door, the explosion-proof plate and the explosion-proof rod are made of aluminum alloy.

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