Explosion-proof electrical control cabinet

Abstract

The utility model relates to the technical field of electrical control cabinets, in particular to an explosion-proof electrical control cabinet which comprises a cabinet body and an auxiliary device, the surface of the cabinet body is rotatably connected with a cabinet door, the auxiliary device is arranged on the surface of the cabinet body and comprises an air feeder, the air feeder is installed on the upper surface of the cabinet body, and the input end of the air feeder body is fixedly connected with an air inlet pipe. The output end of the air feeder is fixedly connected with an air feeding pipe, one end of the air feeding pipe extends into the cabinet body and is fixedly connected with a blowing head, the two sides of the cabinet body are respectively provided with a ventilation hole, and the inner wall of each ventilation hole is fixedly connected with a filter plate. A large amount of hot air in the control cabinet can be rapidly discharged, dust is intercepted, the situation that heat accumulation causes electrical element heating and fire to make contact with dust entering the control cabinet, and consequently explosion is caused is reduced, and the overall safety of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control cabinets, in particular to an explosion-proof electric control cabinet. Background Art

[0002] A control cabinet is a device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to electrical wiring requirements. Its layout should meet the requirements for normal operation of the power system, be easy to maintain, and not endanger the safety of people and surrounding equipment. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches. In the event of a fault or abnormal operation, the circuit can be cut off or an alarm can be issued with the help of protective electrical appliances.

[0003] Prior art, such as the utility model with publication number CN210781640U, discloses an electrical control cabinet, including a cabinet body and a mounting plate arranged inside the cabinet body for mounting electrical equipment, wherein the cabinet body includes an upper shell, a middle shell and a lower shell, the mounting plate includes an upper plate, a middle plate and a lower plate, the middle shell is sleeved on the lower shell, the upper shell is sleeved on the middle shell, the outer wall surfaces of the middle shell and the lower shell are each provided with more than one first slide groove, the inner wall surfaces of the upper shell and the middle shell are each provided with a first slider at a position corresponding to the first slide groove, one end of the first slider is slidably mounted in the first slide groove, the upper plate is arranged at the upper end of the middle plate, the middle plate is arranged at the upper end of the lower plate, and the right sides of the middle plate and the lower plate are A second slide groove is provided, and a second slider is installed at the upper plate and the middle plate opposite to the second slide groove, and one end of the second slider is slidably installed in the second slide groove. The utility model has a simple structure, can adjust the size of the cabinet according to the needs of use, avoids occupying area, and can also reduce or increase the size of the cabinet according to the number of electrical appliances required, thereby increasing practicality and solving some shortcomings of PLC control cabinets on the market that affect people's use. For example, the space in the cabinet is limited and cannot be adjusted arbitrarily according to needs, resulting in poor practicality. If it is too large, it will occupy the use area, while if it is too small, the number of internal electrical appliances installed will be small, affecting use.

[0004] In daily work, it is found that the existing electrical control cabinets mainly dissipate heat through two heat dissipation holes. Since the heat dissipation holes are too small, the heat cannot be discharged quickly in hot weather, and the heat accumulates on the electrical components, causing thermal overload of the electrical components. In addition, the heat dissipation holes do not have a dust-proof effect, and some dust is easily contained in the control cabinet. When the electrical components are overloaded with heat and a fire occurs, dust is prone to explosion, which leads to poor heat dissipation of the electrical control cabinet, prone to fire, and no dust-proof effect, and prone to explosion. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art, namely, poor heat dissipation effect, easy occurrence of fire, lack of dustproof effect, and easy occurrence of explosion, and proposes an explosion-proof electrical control cabinet.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an explosion-proof electrical control cabinet, comprising a cabinet and an auxiliary device, the surface of the cabinet is rotatably connected with a cabinet door, the auxiliary device is arranged on the surface of the cabinet, the auxiliary device comprises a blower, the blower is installed on the upper surface of the cabinet, the input end of the blower body is fixedly connected with an air inlet pipe, the output end of the blower is fixedly connected with an air supply pipe, one end of the air supply pipe extends into the cabinet and is fixedly connected with a blowing head, ventilation holes are respectively opened on both sides of the cabinet, the inner wall of the ventilation hole is fixedly connected with a filter plate, the two side surfaces of the cabinet are respectively fixedly connected with two hollow seats, the inner wall of the hollow seat is slidably connected with a cover plate, and the surface of the cover plate is provided with a cleaning component, through the above-mentioned components, firstly, the air is sent into the blowing head by the blower in cooperation with the air supply pipe, the blowing head blows out, the electrical components are blown, and the heat is quickly discharged from the filter plate at the ventilation hole, the cover plate is slid in the hollow seat, so as to control the size of the ventilation hole, and the filter plate is cooperated to filter, so that the heat can be quickly discharged while intercepting the dust from entering, thereby improving the safety effect.

[0007] Preferably, two connecting blocks are fixedly connected to one side corresponding to the two hollow seats, and the inner walls of the two connecting blocks are rotatably connected with screws, which are respectively threadedly connected to the inner walls of the two cover plates. Through the above components, the screws are rotated and the screws can control the two cover plates to slide in the hollow seats, thereby adjusting the size of the ventilation area.

[0008] Preferably, a plurality of air outlets are provided on the surface of the blowing head, and the plurality of air outlets are arranged in a rectangular shape. Through the above-mentioned components, when the blowing head blows air, the air can be discharged through the plurality of air outlets, thereby improving the heat dissipation effect.

[0009] Preferably, the cleaning assembly includes a sliding rod, and there are two sliding rods. The two sliding rods are slidably connected to the inner wall of the cover plate, and one end of the two sliding rods is fixedly connected to a cleaning piece. Through the above-mentioned components, the cover plate can drive the cleaning piece to move when it moves, and the cleaning piece can clean the dust on the filter plate.

[0010] Preferably, a spring is sleeved on the surface of the slide rod, and the two ends of the spring are fixedly connected to the surfaces of the slide rod and the cover plate respectively. Through the above components, the spring can control the slide rod and the cleaning piece to be squeezed onto the filter plate, which can better contact the filter plate, thereby improving the cleaning effect during movement.

[0011] Preferably, a dust collecting cavity is formed on the lower inner wall of the ventilation hole, and placement holes are formed on both sides of the cabinet body. The placement holes are connected to the dust collecting cavity, and a collection box is inserted into the inner wall of the placement hole. Through the above components, when the cleaning piece sweeps the dust off the filter plate, the dust enters the collection box through the dust collecting cavity for collection.

[0012] Preferably, a handle is fixedly connected to one side surface of the collection box, and through the above-mentioned component, the handle can pull the collection box out of the placement hole on the surface of the cabinet to clean the dust.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, by arranging an auxiliary device, when the weather is hot, the cover plate can be opened so that the cover plate loses its covering on the ventilation holes, and then the blower is turned on. The blower cooperates with the air inlet pipe and the air supply pipe to convey the wind to the blowing head, and the blowing head discharges the wind to blow away the heat on the electrical components. Then the hot air is discharged through the ventilation holes on both sides of the cabinet. The filter plate can intercept the dust. By arranging a cleaning component, the dust on the filter plate can be swept off, and then the dust enters the collection box through the dust falling cavity for collection, and then the use is completed. By arranging an auxiliary device, it is convenient for the auxiliary equipment to dissipate heat, and the heat dissipation and ventilation effect of the equipment is increased, so that a large amount of hot air in the control cabinet can be quickly discharged, and at the same time dust can be intercepted, so as to reduce the heat accumulation that causes the electrical components to heat up and catch fire and contact with the dust entering the control cabinet, thereby causing an explosion, thereby improving the overall safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of an explosion-proof electrical control cabinet is proposed for the utility model;

[0016] Figure 2 A schematic diagram of the internal structure of an explosion-proof electrical control cabinet is proposed for the utility model;

[0017] Figure 3 The utility model proposes an explosion-proof electrical control cabinet Figure 2 Schematic diagram of the structure at A in the middle;

[0018] Figure 4 A partial structural schematic diagram of an explosion-proof electrical control cabinet is proposed for the utility model;

[0019] Figure 5 The utility model proposes an explosion-proof electrical control cabinet Figure 4 Schematic diagram of the structure at B in the middle;

[0020] Figure 6 The utility model provides a schematic diagram of the internal structure of an explosion-proof electrical control cabinet from another perspective.

[0021] Legend:

[0022] 1. Cabinet body; 2. Cabinet door; 3. Auxiliary device; 31. Air blower; 32. Air supply duct; 33. Air inlet duct; 34. Cover plate; 35. Cleaning assembly; 351. Cleaning piece; 352. Slide rod; 353. Spring; 36. Hollow seat; 37. Connecting block; 38. Handle; 39. Collecting box; 310. Screw; 311. Ash falling chamber; 312. Filter plate; 313. Blowing head; 314. Ventilation hole. DETAILED DESCRIPTION

[0023] See also Figure 1-6 The utility model provides an explosion-proof electrical control cabinet, comprising a cabinet body 1 and an auxiliary device 3. The surface of the cabinet body 1 is rotatably connected with a cabinet door 2, and the auxiliary device 3 is arranged on the surface of the cabinet body 1.

[0024] Specifically, the auxiliary device 3 includes an air blower 31, which is installed on the upper surface of the cabinet 1. The input end of the air blower 31 is fixedly connected to an air inlet pipe 33, and the output end of the air blower 31 is fixedly connected to an air supply pipe 32. One end of the air supply pipe 32 extends into the cabinet 1 and is fixedly connected to a blowing head 313. Ventilation holes 314 are respectively provided on both sides of the cabinet 1, and the inner walls of the ventilation holes 314 are fixedly connected to filter plates 312. Two hollow seats 36 are respectively fixedly connected to the surfaces of both sides of the cabinet 1, and the inner walls of the hollow seats 36 are slidably connected to a cover plate 34, and a cleaning component 35 is provided on the surface of the cover plate 34.

[0025] In this embodiment: first, the air is sent into the blowing head 313 through the blower 31 in cooperation with the air supply pipe 32, and the blowing head 313 blows out to blow air to the electrical components, and the heat is quickly discharged from the filter plate 312 at the ventilation hole 314, and the cover plate 34 is slid in the hollow seat 36 to control the size of the ventilation hole 314, and the filter plate 312 is used for filtering, which can quickly discharge the heat and block the entry of dust, thereby improving the safety effect.

[0026] Specifically, two connecting blocks 37 are fixedly connected to the corresponding sides of the two hollow seats 36, and the inner walls of the two connecting blocks 37 are rotatably connected with screws 310. The screws 310 are respectively threadedly connected to the inner walls of the two cover plates 34. By rotating the screws 310, the screws 310 can control the two cover plates 34 to slide in the hollow seats 36, thereby adjusting the size of the ventilation area.

[0027] Specifically, a plurality of air outlets are provided on the surface of the blowing head 313, and the plurality of air outlets are arranged in a rectangular shape.

[0028] In this embodiment, when the blowing head 313 blows air, the air can be discharged through multiple air outlets to improve the heat dissipation effect.

[0029] Specifically, the cleaning component 35 includes a sliding rod 352, and there are two sliding rods 352. The two sliding rods 352 are slidably connected to the inner wall of the cover plate 34. One end of the two sliding rods 352 is fixedly connected with a cleaning piece 351. When the cover plate 34 moves, it can drive the cleaning piece 351 to move, and the cleaning piece 351 can clean the dust on the filter plate 312.

[0030] Specifically, a spring 353 is sleeved on the surface of the slide bar 352, and the two ends of the spring 353 are respectively fixedly connected to the slide bar 352 and the surface of the cover plate 34. In this embodiment, the spring 353 can control the slide bar 352 and the cleaning member 351 to be pressed on the filter plate 312, so as to better contact with the filter plate 312, thereby improving the cleaning effect during movement.

[0031] Specifically, a dust collecting chamber 311 is provided on the lower inner wall of the ventilation hole 314, and placement holes are provided on both sides of the cabinet 1. The placement holes are connected to the dust collecting chamber 311, and a collection box 39 is inserted into the inner wall of the placement hole. When the cleaning piece 351 sweeps the dust off the filter plate 312, the dust enters the collection box 39 through the dust collecting chamber 311 for collection.

[0032] Specifically, a handle 38 is fixedly connected to one side surface of the collection box 39. In this embodiment, the handle 38 can pull the collection box 39 out of the placement hole on the surface of the cabinet 1, so as to clean the dust.

[0033] In this explosion-proof electrical control cabinet, when the weather is hot, the screw 310 can be rotated, and the screw 310 drives the two cover plates 34 to move on the slide seat, so that the cover plates 34 lose their shielding of the ventilation holes 314, and then the blower 31 is turned on. The blower 31 cooperates with the air inlet pipe 33 and the air supply pipe 32 to transport air to the blowing head 313, and the blowing head 313 is discharged through multiple air outlets on the surface to blow away the heat on the electrical components. Then the hot air is discharged through the ventilation holes 314 on both sides of the cabinet body 1. The filter plate 312 can intercept dust. By setting a cleaning component 35, when the cover plate 34 is moving, the cover plate 34 can drive the cleaning The cleaning piece 351 moves, and due to the action of the spring 353, the cleaning piece 351 can be pressed on the filter plate 312. When the cleaning piece 351 moves, the dust on the filter plate 312 can be swept off, and then the dust enters the collection box 39 through the dust falling chamber 311 for collection, and the use is completed. By setting the auxiliary device 3, it is convenient for the auxiliary equipment to dissipate heat, and the heat dissipation and ventilation effect of the equipment is increased, so that a large amount of hot air in the control cabinet can be quickly discharged, and dust can be intercepted at the same time, reducing heat accumulation and causing electrical components to heat up and catch fire and contact with dust entering the control cabinet, thereby causing an explosion, thereby improving the overall safety of the equipment.

Claims

1. An explosion-proof electrical control cabinet, comprising a cabinet body (1) and an auxiliary device (3), characterized in that: The cabinet (1) is rotatably connected to a cabinet door (2). The auxiliary device (3) is arranged on the surface of the cabinet (1). The auxiliary device (3) comprises a blower (31). The blower (31) is installed on the upper surface of the cabinet (1). The input end of the blower (31) is fixedly connected to an air inlet pipe (33). The output end of the blower (31) is fixedly connected to an air supply pipe (32). One end of the air supply pipe (32) extends into the cabinet (1) and is fixedly connected to a blow head (313). Ventilation holes (314) are respectively provided on both sides of the cabinet (1). The inner walls of the ventilation holes (314) are fixedly connected to filter plates (312). Two hollow seats (36) are respectively fixedly connected to the surfaces of both sides of the cabinet (1). A cover plate (34) is slidably connected to the inner walls of the hollow seats (36). A cleaning component (35) is provided on the surface of the cover plate (34).

2. An explosion-proof electrical control cabinet according to claim 1, characterized in that: Two connecting blocks (37) are fixedly connected to one side corresponding to the two hollow seats (36), and the inner walls of the two connecting blocks (37) are rotatably connected to screw rods (310), and the screw rods (310) are respectively threadedly connected to the inner walls of the two cover plates (34).

3. The explosion-proof electrical control cabinet according to claim 1, characterized in that: The surface of the blowing head (313) is provided with a plurality of air outlets, and the plurality of air outlets are arranged in a rectangular shape.

4. The explosion-proof electrical control cabinet according to claim 1, characterized in that: The cleaning assembly (35) comprises a sliding rod (352), wherein there are two sliding rods (352), the two sliding rods (352) are slidably connected to the inner wall of the cover plate (34), and one end of the two sliding rods (352) is fixedly connected to a cleaning piece (351).

5. An explosion-proof electrical control cabinet according to claim 4, characterized in that: A spring (353) is sleeved on the surface of the sliding rod (352), and two ends of the spring (353) are respectively fixedly connected to the surfaces of the sliding rod (352) and the cover plate (34).

6. The explosion-proof electrical control cabinet according to claim 1, characterized in that: The lower inner wall of the ventilation hole (314) is provided with an ash dropping cavity (311), and placement holes are provided on both sides of the cabinet (1), the placement holes are connected to the ash dropping cavity (311), and the inner wall of the placement hole is plugged with a collection box (39).

7. An explosion-proof electrical control cabinet according to claim 6, characterized in that: A handle (38) is fixedly connected to one side surface of the collection box (39).

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