Composite explosion-proof electrical control cabinet

Abstract

The utility model discloses a composite explosion-proof electrical control cabinet which comprises a control cabinet body, a cabinet door is hinged to the open end of the control cabinet body, a sealing assembly is arranged between the cabinet door and the control cabinet body, the two side walls of the control cabinet body are connected with the cabinet door through auxiliary mechanisms, and a mounting plate is fixedly arranged in the control cabinet body. And a guide assembly is arranged on the mounting plate through a clamping assembly. The beneficial effects are that when the cabinet door is closed, the cabinet door and the control cabinet main body can be connected and limited again, so that firm connection can be ensured, a secondary insurance effect can be achieved, when explosion occurs, connection buffering can be performed through an auxiliary mechanism, the cabinet door can be prevented from falling off, loss caused by explosion can be reduced, and safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of electrical control cabinets, specifically to a composite explosion-proof electrical control cabinet. Background Technology

[0002] Electrical control cabinets are indispensable equipment in modern industrial production, playing a crucial role in monitoring and controlling electrical signals and energy. However, due to the complexity of the production environment, electrical control cabinets face various hazards, the most critical being explosion-proof protection. The importance of explosion-proof protection lies in its safety implications. In a production site, if an electrical control cabinet explodes or catches fire, it would not only result in significant losses but also cause casualties, even death—an unimaginable consequence. Therefore, explosion-proof protection is one of the safety issues that must be considered for electrical control cabinets. However, existing explosion-proof electrical control cabinets have certain shortcomings in practical use. Their doors are mostly connected by hinges or latches, which, in the event of an explosion, could blow the doors off, causing secondary injuries and posing a significant safety hazard. Utility Model Content

[0003] The purpose of this invention is to provide a composite explosion-proof electrical control cabinet to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A composite explosion-proof electrical control cabinet includes a control cabinet body, a cabinet door hinged to the open end of the control cabinet body, a sealing component between the cabinet door and the control cabinet body, auxiliary mechanisms connecting the two side walls of the control cabinet body to the cabinet door, and a mounting plate fixedly installed inside the control cabinet body, with a guide component on the mounting plate via a locking component.

[0006] Furthermore, in order to ensure a tight seal when closed, the sealing assembly includes a sealing strip on the cabinet door, and a sealing groove with an interference fit to the sealing strip is provided on the open end of the control cabinet body.

[0007] Furthermore, to improve explosion-proof and flame-retardant performance, the control cabinet body includes a shell, on which an explosion-proof partition, a flame-retardant plate, and another explosion-proof partition are sequentially arranged. The cabinet door is made of the same material as the control cabinet body.

[0008] Furthermore, in order to assist in connecting the cabinet door and the control cabinet body and ensure safety, the auxiliary mechanism includes connecting rings equidistantly arranged on the side wall of the control cabinet body. A steel cable is fixedly provided at the end of the connecting ring, and a connecting piece is fixedly provided at the end of the steel cable. The connecting piece is connected to the cabinet door through a fixing component.

[0009] Furthermore, in order to assist in connection and fixation and ensure safety, the fixing components include fixing bolts fixedly installed at the ends of the connecting pieces, and fixing blocks fixedly installed on the side wall of the cabinet door, with fixing grooves on the fixing blocks that match the fixing bolts.

[0010] Furthermore, in order to facilitate the insertion of the guide component and thus facilitate the positioning and fixing of the cable during wiring, the locking component includes a locking plate equidistantly set on the mounting plate. The locking plate has a locking groove that matches the mounting plate, and the inner wall of the locking groove is provided with an anti-slip pad.

[0011] Furthermore, in order to position and guide the cable to avoid tangling and facilitate subsequent locating and maintenance operations, the guide assembly includes a support column fixedly connected to the card plate, a positioning sleeve fixedly provided at the end of the support column, and an insulating rubber pad provided on the inner arc surface of the positioning sleeve.

[0012] Furthermore, in order to facilitate wiring and ensure sealing after wiring, the bottom of the control cabinet body is provided with reserved holes at equal intervals, and each reserved hole is equipped with a sealing baffle.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) The auxiliary mechanism can reconnect and limit the cabinet body when the cabinet door is closed, thereby ensuring the connection is firm and playing a secondary insurance role. In the event of an explosion, the auxiliary mechanism can buffer the connection, prevent the cabinet door from falling off, reduce the losses caused by the explosion, and improve safety.

[0015] (2) The cabinet door and the main body of the control cabinet are made of composite explosion-proof and flame-retardant materials to ensure safety during use and improve the explosion-proof and flame-retardant effect. The locking components and guide components can be used to easily position and fix the cables during wiring, thereby avoiding tangling and other situations, making it more convenient to find the operation during subsequent maintenance or replacement. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a structural schematic diagram of a composite explosion-proof electrical control cabinet according to an embodiment of the present utility model;

[0018] Figure 2This is a partial structural schematic diagram of a composite explosion-proof electrical control cabinet according to an embodiment of the present utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the cabinet door in a composite explosion-proof electrical control cabinet according to an embodiment of the present utility model;

[0020] Figure 4 This is a partial structural diagram of the auxiliary mechanism in a composite explosion-proof electrical control cabinet according to an embodiment of the present utility model;

[0021] Figure 5 This is a structural schematic diagram of the locking assembly and guide assembly in a composite explosion-proof electrical control cabinet according to an embodiment of the present utility model;

[0022] Figure 6 This is a partial cross-sectional structural diagram of a composite explosion-proof electrical control cabinet according to an embodiment of the present utility model.

[0023] Figure label:

[0024] 1. Control cabinet body; 2. Cabinet door; 3. Sealing strip; 4. Sealing groove; 5. Connecting ring; 6. Mounting plate; 7. Steel cable; 8. Clamping plate; 9. Fixing block; 10. Fixing groove; 11. Connecting piece; 12. Fixing bolt; 13. Anti-slip pad; 14. Clamping groove; 15. Support column; 16. Positioning sleeve; 17. Insulating rubber pad; 18. Housing; 19. Explosion-proof partition; 20. Flame-retardant plate; 21. Reserved hole; 22. Sealing baffle. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-6According to an embodiment of this utility model, a composite explosion-proof electrical control cabinet includes a control cabinet body 1, the open end of which is hinged to a cabinet door 2, and the two are connected and fixed by a locking device (such as a mechanical lock, a mature technology, which will not be described in detail here). In order to ensure the sealing when closed, a sealing strip 3 of a sealing component is adhered to the cabinet door 2, and a sealing groove 4 that is interference-fitted with the sealing strip 3 is opened at the open end of the control cabinet body 1. In order to ensure safety during use, the control cabinet body 1 and the cabinet door 2 may be composed of a shell 18, on which explosion-proof partitions 19 are sequentially provided on the inner side wall. The flame-retardant plate 20 and the explosion-proof partition 19 are composed of two layers of explosion-proof partition 19 and flame-retardant plate 20, which can ensure the explosion-proof and flame-retardant effect during use. The explosion-proof partition 19 can be made of stainless steel plate or alloy, while the flame-retardant plate 20 can be made of boron phenolic (FB) resin or other flame-retardant materials, depending on the actual situation. It is a relatively mature technology and will not be described in detail here. The electrical control cabinet body 1 is also equipped with corresponding electrical components, pressure relief components and control components. For the control cabinet body 1, its side wall can also be provided with heat dissipation holes to dissipate heat inside. It is a relatively mature technology and will not be described in detail here.

[0027] Please see Figures 1-6 To ensure safety and prevent secondary damage to the cabinet door 2 during an explosion, auxiliary mechanism connecting rings 5 ​​are welded equidistantly to both sides of the control cabinet body 1. A steel cable 7 is fixedly installed at the end of the connecting ring 5, and a connecting piece 11 is welded to the end of the connecting ring 5. A fixing bolt 12 (composed of a screw, nut, and washer) of a fixing component is welded to the side wall of the connecting piece 11. A fixing block 9 is welded to the corresponding side wall of the cabinet door 2. The fixing block 9 has a fixing groove 10 that facilitates the passage of the screw on the fixing bolt 12, which can then be easily tightened with nuts and washers, and assists in connection and fixation when the cabinet door 2 is closed.

[0028] Please see Figures 1-6To facilitate cable management and limit and fix the cables of internal electrical components, thus facilitating subsequent maintenance, a mounting plate 6 is welded to the inner side wall of the control cabinet body 1. A locking plate 8 (three, four, or five sets, depending on the actual situation) is equidistantly arranged on the mounting plate 6. The locking plate 8 has slots 14 for easy insertion into the mounting plate 6. To ensure a secure connection, anti-slip pads 13 are adhered to the inner wall of the slots 14. A guide support column 15 is welded to the end of the locking plate 8. The control cabinet body 1 has a welding positioning sleeve 16 (which can be a three-quarter ring) to facilitate the positioning of cables, etc., and an insulating rubber pad 17 is bonded to the inner arc surface to ensure safety during use. The bottom of the control cabinet body 1 has reserved holes 21 at equal intervals for easy wiring. In order to ensure the sealing during use, a sealing baffle 22 is bonded inside. To ensure the sealing, sealant can be applied as needed without affecting the safety of the equipment. In the event of an explosion, the sealing baffle 22 is blown away, and the reserved holes 21 become pressure relief holes to assist in pressure relief.

[0029] In summary, with the help of the above-mentioned technical solution of this utility model, the slot 14 on the card plate 8 can be connected to the mounting plate 6, and the anti-slip pad 13 can ensure stability during insertion. When wiring, the cable can be positioned by the positioning sleeve 16 and the insulating rubber pad 17, which facilitates subsequent locating or replacement operations. When the cabinet door 2 is closed, it can be sealed by the sealing strip 3 in conjunction with the sealing groove 4 to ensure the sealing effect. At this time, the fixing bolt 12 can be inserted into the fixing groove 10 of the fixing block 9 and then tightened. With the help of the steel cable 7, the cabinet door 2 and the control cabinet body 1 can be fixed again to ensure the firmness of the connection.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A composite explosion-proof electrical control cabinet, comprising a control cabinet body (1), characterized in that: The control cabinet body (1) has a cabinet door (2) hinged to its open end. A sealing assembly is provided between the cabinet door (2) and the control cabinet body (1). The two side walls of the control cabinet body (1) are connected to the cabinet door (2) through an auxiliary mechanism. An installation plate (6) is fixedly provided inside the control cabinet body (1). A guide assembly is provided on the installation plate (6) through a snap-fit ​​assembly. The auxiliary mechanism includes connecting rings (5) equidistantly arranged on the side walls of the control cabinet body (1). A steel cable (7) is fixedly provided at the end of the connecting ring (5). A connecting piece (11) is fixedly provided at the end of the steel cable (7). The connecting piece (11) is connected to the cabinet door (2) through a fixing assembly.

2. The composite explosion-proof electrical control cabinet according to claim 1, characterized in that: The sealing assembly includes a sealing strip (3) provided on the cabinet door (2), and a sealing groove (4) with an interference fit to the sealing strip (3) is provided on the open end of the control cabinet body (1).

3. The composite explosion-proof electrical control cabinet according to claim 2, characterized in that: The main body (1) of the control cabinet includes a shell (18), on which an explosion-proof partition (19), a flame-retardant plate (20) and an explosion-proof partition (19) are sequentially provided. The cabinet door (2) is made of the same material as the main body (1) of the control cabinet.

4. The composite explosion-proof electrical control cabinet according to claim 3, characterized in that: The fixing component includes a fixing bolt (12) fixedly installed at the end of the connecting piece (11), and a fixing block (9) fixedly installed on the side wall of the cabinet door (2), and a fixing groove (10) matching the fixing bolt (12) is opened on the fixing block (9).

5. A composite explosion-proof electrical control cabinet according to claim 4, characterized in that: The locking assembly includes locking plates (8) equidistantly arranged on the mounting plate (6), the locking plates (8) having locking grooves (14) that match the mounting plate (6), and the inner wall of the locking grooves (14) being provided with anti-slip pads (13).

6. A composite explosion-proof electrical control cabinet according to claim 5, characterized in that: The guide assembly includes a support column (15) fixedly connected to the card plate (8), and a positioning sleeve (16) is fixedly provided at the end of the support column (15). An insulating rubber pad (17) is provided on the inner arc surface of the positioning sleeve (16).

7. A composite explosion-proof electrical control cabinet according to claim 6, characterized in that: The control cabinet body (1) has reserved holes (21) at equal intervals at the bottom end, and each reserved hole (21) is provided with a sealing baffle (22).

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