Electrical dustproof structure

Abstract

The utility model relates to the technical field of dust prevention, in particular to an electrical dust prevention structure which comprises a box body, the box body comprises a bottom plate, a second side plate and a first side plate are fixedly installed on the two sides of the bottom plate respectively, the top end of the second side plate and the top end of the first side plate are jointly and fixedly connected with a top plate, and a heat dissipation opening is formed in the side face of the first side plate. A dustproof net is detachably and fixedly mounted in the heat dissipation opening; a circular groove is formed in the side face of the second side plate, a switch mechanism is arranged in the circular groove, and a heat dissipation mechanism is fixedly connected to the outer side face of the second side plate. A dustproof assembly is fixedly installed at the position, close to the box door, of the bottom face of the top plate, and the dustproof assembly is in conduction connection with the heat dissipation mechanism. The dustproof assembly can blow air to the lower position at the top end of the opening of the box body to form an air layer barrier, most dust at the position of the box door is blocked, and the dustproof effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust prevention, in particular to an electrical dust prevention structure. Background Art

[0002] There is a large amount of dust and particulate matter in the mining environment. This dust may enter the electrical equipment and cause serious consequences such as equipment failure or even fire. Therefore, dust prevention work for electrical equipment is very important in mining operations.

[0003] In the prior art, there is a patent with application number CN202320724710.3 that provides a dustproof device for a mine electric box, including a box body, a heat dissipation port opened on one side of the box body, and a protective shell fixed on one side of the box body. The protective shell covers the outside of the heat dissipation port. An opening for ventilation is opened at the bottom of the protective shell. A socket is opened on the side wall of the protective shell. One side of the socket is opened to the side wall of the box body. A detachable dustproof net is set in the socket. The dustproof net is used to cover the opening. The use of a dustproof net can filter dust in the mine site environment and prevent dust from entering the box body and affecting components.

[0004] However, the above dustproof device still has the following shortcomings during use:

[0005] This device can only block dust at the heat dissipation port, but in actual use, the staff needs to open the box door to inspect and replace the electrical components inside the box. At this time, dust can easily enter the box from the door position, thereby affecting the electrical components. Utility Model Content

[0006] The purpose of the utility model is to provide an electrical dustproof structure to solve the problems raised in the above background technology.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] An electrical dustproof structure comprises a box body, the box body comprises a bottom plate, a second side plate and a first side plate are fixedly mounted on both sides of the bottom plate, the second side plate and the top of the first side plate are fixedly connected to a top plate, a heat dissipation port is provided on the side of the first side plate, a dustproof net is detachably fixedly mounted in the heat dissipation port; a circular groove is provided on the side of the second side plate, a switch mechanism is arranged in the circular groove, and a heat dissipation mechanism is fixedly connected to the outer side surface of the second side plate;

[0009] A dustproof component is fixedly installed on the bottom surface of the top plate at a position close to the box door. The dustproof component is conductively connected to the heat dissipation mechanism. The dustproof component is used to prevent dust from entering the box door when the box door is opened.

[0010] Furthermore, the switch mechanism includes a mounting ring and a mounting plate coaxially arranged in the circular groove, a plurality of fixed baffles are fixedly installed in a circumferential array between the periphery of the mounting plate and the inner wall of the circular groove, and a ventilation groove is formed between two adjacent fixed baffles;

[0011] A rotating shaft is fixedly connected to the outer end surface of the mounting plate, a shaft sleeve is rotatably mounted on the outer periphery of the rotating shaft, a plurality of movable baffles used in conjunction with the ventilation grooves are fixedly mounted on the outer periphery of the shaft sleeve, the inner side of the movable baffle is in sliding contact with the outer side of the fixed baffle, and one end of the movable baffle away from the shaft sleeve is in sliding contact with the inner wall of the circular groove;

[0012] The mounting ring is rotatably mounted on the outer side surface of the second side plate, and the mounting ring and the circular groove are coaxially arranged, and an L-shaped connecting block is fixedly connected between the side of the movable baffle away from the fixed baffle and the inner wall of the mounting ring;

[0013] A handle is fixedly mounted on the periphery of the mounting ring.

[0014] Furthermore, the opposite sides of the movable baffle and the fixed baffle are covered with rubber pads, and the rubber pads are used to improve the sealing performance of the switch mechanism in the closed state.

[0015] Further, the heat dissipation mechanism includes a mounting tube, the mounting tube is rotatably connected to one end of the mounting ring away from the second side plate, a fixing ring is fixedly installed on the periphery of the mounting tube, and a connecting rod is fixedly connected between the periphery of the fixing ring and the outer side surface of the second side plate;

[0016] A filter cover is detachably fixedly mounted on one end of the mounting tube away from the mounting ring, and a fan is mounted in the mounting tube at a position away from the mounting ring;

[0017] The periphery of the mounting tube is fixedly connected to a second pipe joint that passes through the interior of the mounting tube, the second pipe joint is located between the fan and the mounting ring, an end of the second pipe joint away from the mounting tube is fixedly connected to an air duct, and an end of the air duct away from the second pipe joint is fixedly connected to the dustproof component.

[0018] Furthermore, the dustproof assembly includes a blowing pipe fixedly mounted on the bottom surface of the top plate, and an air guide groove opening downward is fixedly mounted on the periphery of the blowing pipe;

[0019] One end of the blowing pipe close to the second side plate is connected with a first pipe joint, and the end of the first pipe joint away from the blowing pipe passes through the second side plate to the outside of the second side plate, and the end of the first pipe joint away from the blowing pipe is fixedly connected to the end of the air guide pipe away from the second pipe joint.

[0020] Beneficial effects of the utility model:

[0021] When the box door is open, the utility model closes the circular groove through the switch mechanism. At this time, the air blown out by the heat dissipation mechanism moves to the blowing pipe through the air guide pipe, and the air in the blowing pipe is blown to the lower position through the top position of the air guide groove at the box opening to form a wind layer barrier. Therefore, when the box door is opened, most of the dust at the box door can be blocked, thereby avoiding the problem that dust easily enters the box from the box opening and affects the electrical components when the staff performs inspection and replacement operations on the electrical components inside the box, thereby improving the dustproof effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a three-dimensional schematic diagram of the internal structure of the installation pipe in the utility model;

[0025] Figure 3 It is a three-dimensional schematic diagram of the connection relationship between the movable baffle and the mounting ring in the utility model;

[0026] Figure 4 yes Figure 3 A magnified view of part A;

[0027] Figure 5 It is a three-dimensional schematic diagram of the connection relationship between the fixed baffle and the second side plate in the utility model;

[0028] Figure 6 It is a structural schematic diagram of the air blowing pipe in the utility model;

[0029] The reference numerals are as follows:

[0030] 1-bottom plate, 2-first side plate, 3-heat dissipation port, 4-top plate, 5-air blowing pipe, 6-first pipe joint, 7-air guide pipe, 8-filter cover, 9-fixing ring, 10-connecting rod, 11-mounting pipe, 12-mounting ring, 13-handle, 14-second side plate, 15-fan, 16-second pipe joint, 17-L-shaped connecting block, 18-movable baffle, 19-circular groove, 20-rotating shaft, 21-sleeve, 22-fixed baffle, 23-mounting plate, 24-air guide groove. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0032] Example:

[0033] See also Figures 1 to 6 In an embodiment of the utility model, an electrical dustproof structure includes a box body, the box body includes a bottom plate 1, a second side plate 14 and a first side plate 2 are fixedly installed on both sides of the bottom plate 1, the second side plate 14 and the top of the first side plate 2 are fixedly connected with a top plate 4, a heat dissipation port 3 is opened on the side of the first side plate 2, and a dustproof net is detachably fixedly installed in the heat dissipation port 3; a circular groove 19 is opened on the side of the second side plate 14, a switch mechanism is arranged in the circular groove 19, and a heat dissipation mechanism is fixedly connected to the outer side surface of the second side plate 14;

[0034] A dustproof component is fixedly installed on the bottom surface of the top plate 4 near the box door. The dustproof component is conductively connected to the heat dissipation mechanism. The dustproof component is used to prevent dust from entering the box door when the box door is opened.

[0035] The switch mechanism includes a mounting ring 12 and a mounting plate 23 coaxially arranged in the circular groove 19. A plurality of fixed baffles 22 are fixedly mounted in a circumferential array between the periphery of the mounting plate 23 and the inner wall of the circular groove 19. A ventilation slot is formed between two adjacent fixed baffles 22.

[0036] The outer end surface of the mounting plate 23 is fixedly connected with a rotating shaft 20, and a sleeve 21 is rotatably mounted on the outer periphery of the rotating shaft 20. A plurality of movable baffles 18 used in conjunction with the ventilation slots are fixedly mounted on the outer periphery of the sleeve 21. The inner side of the movable baffle 18 is in sliding contact with the outer side of the fixed baffle 22, and the end of the movable baffle 18 away from the sleeve 21 is in sliding contact with the inner wall of the circular groove 19.

[0037] The mounting ring 12 is rotatably mounted on the outer surface of the second side plate 14, and the mounting ring 12 is coaxially arranged with the circular groove 19. An L-shaped connecting block 17 is fixedly connected between the side of the movable baffle 18 away from the fixed baffle 22 and the inner wall of the mounting ring 12.

[0038] A handle 13 is fixedly mounted on the periphery of the mounting ring 12 .

[0039] The movable baffle 18 and the fixed baffle 22 are both covered with rubber pads on their opposite sides, and the rubber pads are used to improve the sealing performance of the switch mechanism in the closed state.

[0040] The heat dissipation mechanism includes a mounting tube 11, an end of a mounting ring 12 away from the second side plate 14 is rotatably connected to the mounting tube 11, a fixing ring 9 is fixedly installed on the periphery of the mounting tube 11, and a connecting rod 10 is fixedly connected between the periphery of the fixing ring 9 and the outer side surface of the second side plate 14;

[0041] A filter cover 8 is detachably fixedly mounted on one end of the mounting tube 11 away from the mounting ring 12, and a fan 15 is mounted in the mounting tube 11 at a position away from the mounting ring 12;

[0042] The outer periphery of the mounting tube 11 is fixedly connected to a second pipe joint 16 that passes through the interior of the mounting tube 11. The second pipe joint 16 is located between the fan 15 and the mounting ring 12. The end of the second pipe joint 16 away from the mounting tube 11 is fixedly connected to the air duct 7. The end of the air duct 7 away from the second pipe joint 16 is fixedly connected to the dustproof component.

[0043] The dustproof component includes a blowing pipe 5 fixedly mounted on the bottom surface of the top plate 4, and a wind guide groove 24 opening downward is fixedly mounted on the periphery of the blowing pipe 5;

[0044] One end of the blowing pipe 5 close to the second side panel 14 is connected with the first pipe joint 6, and the end of the first pipe joint 6 away from the blowing pipe 5 passes through the second side panel 14 to the outside of the second side panel 14, and the end of the first pipe joint 6 away from the blowing pipe 5 is fixedly connected to the end of the air guide pipe 7 away from the second pipe joint 16.

[0045] When the utility model is in use:

[0046] When the box door is in the closed state, the mounting ring 12 is rotated by the handle 13 to drive the movable baffle 18 to rotate, so that the ventilation slots between the multiple movable baffles 18 and the multiple fixed baffles 22 are in a staggered state. At this time, the fan 15 blows air into the box through the circular groove 19, and the heat inside the box is taken out through the heat dissipation port 3 to achieve the purpose of heat dissipation. The filter cover 8 and the dustproof net in the heat dissipation port 3 can prevent dust from entering the box through the heat dissipation port 3 and the circular groove 19 to affect the electrical components.

[0047] When the box door is open, the mounting ring 12 is rotated by the handle 13 to drive the multiple movable baffles 18 to overlap with the multiple ventilation slots, thereby closing the circular slot 19. At this time, the air blown out by the fan 15 moves to the blowing pipe 5 through the air guide pipe 7, and the air in the blowing pipe 5 is blown downward from the top position of the box opening through the air guide slot 24 to form a wind layer barrier. Therefore, when the box door is opened, most of the dust at the box door can be blocked, thereby avoiding the problem that dust easily enters the box from the box opening and affects the electrical components when the staff performs inspection and replacement operations on the electrical components inside the box, thereby improving the dustproof effect of the device.

[0048] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An electrical dustproof structure, comprising a box body, the box body comprising a bottom plate (1), a second side plate (14) and a first side plate (2) being fixedly mounted on both sides of the bottom plate (1), the second side plate (14) and the top ends of the first side plate (2) being fixedly connected to a top plate (4), a heat dissipation port (3) being provided on the side of the first side plate (2), a dustproof net being detachably fixedly mounted in the heat dissipation port (3); characterized in that: A circular groove (19) is provided on the side surface of the second side plate (14), a switch mechanism is arranged in the circular groove (19), and a heat dissipation mechanism is fixedly connected to the outer side surface of the second side plate (14); A dustproof component is fixedly mounted on the bottom surface of the top plate (4) at a position close to the box door, the dustproof component is conductively connected to the heat dissipation mechanism, and is used to prevent dust from entering the box door when the box door is opened.

2. An electrical dustproof structure according to claim 1, characterized in that: The switch mechanism comprises a mounting ring (12) and a mounting plate (23) coaxially arranged in the circular groove (19); a plurality of fixed baffles (22) are fixedly mounted in a circumferential array between the periphery of the mounting plate (23) and the inner wall of the circular groove (19); a ventilation groove is formed between two adjacent fixed baffles (22); A rotating shaft (20) is fixedly connected to the outer end surface of the mounting plate (23); a shaft sleeve (21) is rotatably mounted on the outer periphery of the rotating shaft (20); a plurality of movable baffles (18) used in conjunction with the ventilation slots are fixedly mounted on the outer periphery of the shaft sleeve (21); the inner side of the movable baffle (18) is in sliding contact with the outer side of the fixed baffle (22); and one end of the movable baffle (18) away from the shaft sleeve (21) is in sliding contact with the inner wall of the circular groove (19); The mounting ring (12) is rotatably mounted on the outer surface of the second side plate (14), and the mounting ring (12) and the circular groove (19) are coaxially arranged, and an L-shaped connecting block (17) is fixedly connected between the side of the movable baffle (18) away from the fixed baffle (22) and the inner wall of the mounting ring (12); A handle (13) is fixedly mounted on the periphery of the mounting ring (12).

3. An electrical dustproof structure according to claim 2, characterized in that: The opposite sides of the movable baffle plate (18) and the fixed baffle plate (22) are both covered with rubber pads.

4. An electrical dustproof structure according to claim 2, characterized in that: The heat dissipation mechanism comprises a mounting tube (11), one end of the mounting ring (12) away from the second side plate (14) is rotatably connected to the mounting tube (11), a fixing ring (9) is fixedly mounted on the periphery of the mounting tube (11), and a connecting rod (10) is fixedly connected between the periphery of the fixing ring (9) and the outer side surface of the second side plate (14); A filter cover (8) is detachably fixedly mounted on one end of the mounting tube (11) away from the mounting ring (12), and a fan (15) is mounted in the mounting tube (11) at a position away from the mounting ring (12); A second pipe joint (16) which is in communication with the interior of the mounting pipe (11) is fixedly connected to the periphery of the mounting pipe (11); the second pipe joint (16) is located between the fan (15) and the mounting ring (12); an end of the second pipe joint (16) away from the mounting pipe (11) is fixedly connected to an air guide pipe (7); and an end of the air guide pipe (7) away from the second pipe joint (16) is fixedly connected to the dustproof component.

5. An electrical dustproof structure according to claim 4, characterized in that: The dustproof component comprises a blowing pipe (5) fixedly mounted on the bottom surface of the top plate (4), and an air guide groove (24) opening downward is fixedly mounted through the periphery of the blowing pipe (5); One end of the blowing pipe (5) close to the second side plate (14) is connected to a first pipe joint (6); one end of the first pipe joint (6) away from the blowing pipe (5) passes through the second side plate (14) to the outside of the second side plate (14); and one end of the first pipe joint (6) away from the blowing pipe (5) is fixedly connected to one end of the air guide pipe (7) away from the second pipe joint (16).

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