Dustproof equipment for switch cabinet

Abstract

The dustproof device is installed on a switch cabinet body, an installation shell is fixedly arranged on the right side of the switch cabinet body, an installation groove is formed in the surface of the installation shell, an unwinding shaft and a winding shaft are arranged in the installation groove in a lap joint mode, a PVC dustproof net is arranged on the surface of the unwinding shaft in a winding mode, and the PVC dustproof net is arranged on the surface of the winding shaft in a lap joint mode. And a winding roller is fixedly arranged at one end of the PVC dustproof net, the winding roller is fixedly installed on the surface of the winding shaft, and the PVC dustproof net and the winding roller are both in lap joint with the interior of the installation shell. When too much dust is attached to the PVC dustproof net or the PVC dustproof net is damaged, the unused PVC dustproof net can be pulled to move between the limiting frame and the limiting plate, and the situation that too much dust is attached to the PVC dustproof net or the PVC dustproof net is damaged and needs to be detached for cleaning or replacing is avoided; the circuit breaker, the disconnecting switch, the load switch, the operating mechanism, the mutual inductor and various protection devices are prevented from entering the switch cabinet body after the switch cabinet body is disassembled, and the dust is prevented from being attached to the inside of the switch cabinet body.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a dustproof device used for a switch cabinet. Background Art

[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch in the cabinet, and then enters the branch control switch. Each branch is set according to its needs. The main function of the switch cabinet is to open and close, control and protect electrical equipment in the process of power generation, transmission, distribution and power conversion in the power system. The components in the switch cabinet mainly include circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various protective devices. In order to prevent a large amount of heat from accumulating in the switch cabinet, heat dissipation ports are generally provided on the cabinet body of the switch cabinet. However, during use, dust from the outside can easily enter the switch cabinet through the heat dissipation ports. The dust can easily affect the normal operation of the circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various protective devices in the switch cabinet, and may even cause the switch to fail, affecting the operation of electrical equipment.

[0003] Some switch cabinets will install dust screens on the outside of the heat dissipation port for dust prevention. However, the surface of the dust screen is easily blocked by dust and quickly fails. When it is damaged, it needs to be regularly disassembled for maintenance or replacement. However, during the disassembly process, dust will enter the interior of the switch cabinet after the dust screen is removed. Therefore, a dust prevention device for the switch cabinet is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a dustproof device for a switch cabinet, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A dustproof device for a switch cabinet is installed on the switch cabinet body, a mounting shell is fixedly provided on the right side of the switch cabinet body, a mounting groove is opened on the surface of the mounting shell, a unwinding shaft and a winding shaft are overlapped inside the mounting groove, a PVC dustproof net is wound on the surface of the unwinding shaft, a winding roller is fixedly provided at one end of the PVC dustproof net, the winding roller is fixedly installed on the surface of the winding shaft, the PVC dustproof net and the winding roller are both overlapped with the inside of the mounting shell, a hand-held knob is fixedly provided on the bottom of the winding shaft, a limit plate is overlapped on the rear side of the PVC dustproof net, the limit plate is fixedly installed inside the mounting shell, and a sealing assembly is provided on the right side of the mounting shell.

[0007] Preferably, the sealing assembly includes a sealing cover plate, an air inlet is penetrated through the right side of the sealing cover plate, a fixed block is fixedly provided on the left side of the sealing cover plate, a limiting frame is fixedly provided on the right side of the sealing cover plate, the limiting frame is in contact with the PVC dustproof net, and fixed assemblies are provided on both the front and rear sides of the sealing cover plate.

[0008] Preferably, the fixing assembly includes a fixing plate, which is fixedly mounted on the sealing cover plate, a fixing stud is fixedly arranged on the left side of the fixing plate, a connecting plate is overlapped on the left side of the fixing plate, the connecting plate is fixedly mounted on the mounting shell, a connecting hole is penetrated on the surface of the connecting plate, the connecting hole is overlapped with the fixing stud, and a fixing nut is threadedly arranged on the surface of the fixing stud.

[0009] Preferably, the number of the mounting slots and the number of the fixed blocks are both four, and the four mounting slots and the four fixed blocks are symmetrically distributed, and the fixed blocks are overlapped with the mounting slots.

[0010] Preferably, the limiting frame is in a circular shape, the limiting frame is made of metal material, and the limiting frame is overlapped with the installation shell.

[0011] Preferably, the installation shell is in a circular shape, the installation shell is made of metal material, and the installation shell is overlapped with the sealing cover plate.

[0012] Preferably, there are two limit plates, and the two limit plates are fixedly mounted on the upper and lower side walls of the switch cabinet body respectively, and the limit plates are rectangular in structure.

[0013] Compared with the prior art, the beneficial effect of the utility model is that when the PVC dustproof net surface is excessively adhered to or damaged by the dustproof device for the switch cabinet during operation of the switch cabinet body, the hand-held knob drives the winding roller to reel up the PVC dustproof net through the winding shaft, so that the PVC dustproof net with excessive dust or damage is rolled up by the winding roller, and the PVC dustproof net with excessive dust or damage will pull the unused PVC dustproof net to move between the limit frame and the limit plate, avoiding the situation where the net needs to be disassembled for cleaning or replacement due to excessive dust or damage, and avoiding the dust from entering the switch cabinet body after the switch cabinet body is disassembled, causing dust to adhere to the circuit breaker, disconnector, load switch, operating mechanism, mutual inductor and various protective devices inside it. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the housing for installation of the utility model structure;

[0017] Figure 4 for Figure 3 A magnified view of the structure at A;

[0018] Figure 5 It is another partial structural schematic diagram of the utility model.

[0019] In the figure: 1. Switch cabinet body; 2. Mounting shell; 3. Mounting slot; 4. Unwinding shaft; 5. Rewinding shaft; 6. Unwinding roller; 7. PVC dust screen; 8. Rewinding roller; 9. Hand-held knob; 10. Limit plate; 11. Sealing cover; 12. Air inlet; 13. Fixed block; 14. Limit frame; 15. Fixed plate; 16. Fixed stud; 17. Connecting plate; 18. Connecting hole; 19. Fixed nut. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figure 1-5A dustproof device for a switch cabinet is installed on a switch cabinet body 1. A mounting shell 2 is fixedly arranged on the right side of the switch cabinet body 1. A mounting groove 3 is opened on the surface of the mounting shell 2. A reel 4 and a reel 5 are overlapped inside the mounting groove 3. A PVC dustproof net 7 is wound around the surface of the reel 4. A reel 8 is fixedly arranged at one end of the PVC dustproof net 7. The reel 8 is fixedly installed on the surface of the reel 5. The PVC dustproof net 7 and the reel 8 are both overlapped with the inside of the mounting shell 2. A hand-held knob 9 is fixedly arranged at the bottom of the reel 5. A limit plate 10 is overlapped on the rear side of the PVC dustproof net 7. The limit plate 10 is fixedly installed inside the mounting shell 2. A sealing component is arranged on the right side of the mounting shell 2. The sealing component includes a sealing cover plate 11, the installation shell 2 is a circular structure, the installation shell 2 is made of metal material, the installation shell 2 is overlapped with the sealing cover plate 11, the metal installation shell 2 is not easy to be broken, and dust is prevented from entering the installation shell 2 through the damaged part after the installation shell 2 is broken, causing dust to enter the inside of the switch cabinet body 1, an air inlet 12 is arranged on the right side of the sealing cover plate 11, and a fixed card block 13 is fixedly arranged on the left side of the sealing cover plate 11. The number of the installation slots 3 and the fixed card block 13 is four, and the four installation slots 3 and the four fixed card blocks 13 are symmetrically distributed. The fixed card block 13 is overlapped with the installation slot 3. Through the arrangement of the four installation slots 3 and the four fixed card blocks 13, it is convenient to adjust the unwinding shaft 4, the winding shaft 5, and the unwinding roller 6. The limit frame 14 is fixedly arranged on the right side of the sealing cover plate 11. There are two limit plates 10, and the two limit plates 10 are respectively fixedly arranged on the upper and lower side walls of the switch cabinet body 1. The limit plate 10 is of a rectangular structure. The limit plate 10 is used in conjunction with the limit frame 14 to facilitate the limitation of the PVC dustproof net 7, and also to prevent the incoming air from entering from the side of the PVC dustproof net 7, thereby preventing the air containing dust from entering the interior of the switch cabinet body 1. The limit frame 14 is in contact with the PVC dustproof net 7, and is of a circular structure. The limit frame 14 is made of metal material, and the limit frame 14 is overlapped with the mounting shell 2. The setting of the limit frame 14 facilitates the positioning of the PVC dustproof net 7 is limited so that the PVC dustproof net 7 will not bend or deform during use. The front and rear sides of the sealing cover plate 11 are provided with fixing components. The fixed block 13 is inserted into the installation groove 3 to limit the position of the unwinding shaft 4 and the winding shaft 5, thereby limiting the position of the unwinding roller 6 and the winding roller 8, thereby preventing the unwinding shaft 4 and the winding shaft 5 from driving the unwinding roller 6 and the winding roller 8 to move out of the installation shell 2 during the rotation process. When the switch cabinet body 1 is in operation, if too much dust is attached to the surface of the PVC dustproof net 7 or it is damaged, the hand-held knob 9 drives the winding roller 8 to rewind the PVC dustproof net 7 through the winding shaft 5, so that the PVC dustproof net 7 with too much dust or damage is rolled up by the winding roller 8.The PVC dust screen 7 with too much dust or damage will pull the unused PVC dust screen 7 to move between the limit frame 14 and the limit plate 10, avoiding the situation where the PVC dust screen 7 with too much dust or damage needs to be removed for cleaning or replacement, and avoiding the dust from entering the switch cabinet body 1 after the switch cabinet body 1 is disassembled, causing the dust to adhere to the circuit breaker, disconnector, load switch, operating mechanism, mutual inductor and various protection devices inside.

[0022] Specifically, the fixing assembly includes a fixing plate 15, which is fixedly installed on the sealing cover plate 11, a fixing stud 16 is fixedly arranged on the left side of the fixing plate 15, a connecting plate 17 is overlapped on the left side of the fixing plate 15, and the connecting plate 17 is fixedly installed on the mounting shell 2, a connecting hole 18 is penetrated on the surface of the connecting plate 17, the connecting hole 18 is overlapped with the fixing stud 16, and a fixing nut 19 is threadedly arranged on the surface of the fixing stud 16. When the sealing cover plate 11 contacts the mounting shell 2, the fixing plate 15 pushes the fixing stud 16 to be inserted into the connecting hole 18, and then the fixing nut 19 is screwed into the fixing stud 16, so as to fix the position of the sealing cover plate 11, and prevent the sealing cover plate 11 from driving the fixed block 13 and the limit frame 14 to move, so that the unwinding shaft 4, the winding shaft 5, the unwinding roller 6 and the winding roller 8 are more firmly installed after the mounting shell 2.

[0023] During use: insert the unwinding shaft 4 and the winding shaft 5 into the installation groove 3, and drive the unwinding roller 6 and the winding roller 8 to enter the installation shell 2 through the unwinding shaft 4 and the winding shaft 5, and then drive the PVC dustproof net 7 into the installation shell 2 through the unwinding roller 6 and the winding roller 8, so that the PVC dustproof net 7 contacts the right side of the limiting plate 10, and drive the fixed card block 13 and the limiting frame 14 to move through the sealing cover plate 11, so that the fixed card block 13 is inserted into the installation groove 3, and the limiting frame 14 contacts the right side of the PVC dustproof net 7, and then fix the position of the sealing cover plate 11 through the fixing assembly, and the PVC dustproof net 7 is completed. During installation, when the switch cabinet body 1 is in operation and the surface of the PVC dustproof net 7 is adhered to too much dust or is damaged, the hand-held knob 9 is turned to drive the reel 5 to rotate inside the installation slot 3, so that the reel 5 drives the reel roller 8 to rotate, and the PVC dustproof net 7 is reeled up by the reel roller 8, so that the PVC dustproof net 7 adhered to too much dust or is damaged is reeled up by the reel roller 8, and the PVC dustproof net 7 adhered to too much dust or is damaged will pull the unused PVC dustproof net 7 to move to the rear side, so that the unused PVC dustproof net 7 enters between the limit frame 14 and the limit plate 10, thereby ensuring the normal use of the PVC dustproof net 7.

[0024] To sum up, in the dustproof device for the switch cabinet, when the switch cabinet body 1 is in operation and the surface of the PVC dustproof net 7 is excessively adhered to dust or is damaged, the hand-held knob 9 drives the winding roller 8 to wind up the PVC dustproof net 7 through the winding shaft 5, so that the PVC dustproof net 7 with excessive dust or damage is rolled up by the winding roller 8, and the PVC dustproof net 7 with excessive dust or damage will pull the unused PVC dustproof net 7 to move between the limit frame 14 and the limit plate 10, thereby avoiding the situation where the PVC dustproof net 7 needs to be disassembled for cleaning or replacement due to excessive dust or damage, and avoiding the dust from entering the switch cabinet body 1 after the switch cabinet body 1 is disassembled, causing dust to adhere to the circuit breaker, disconnector, load switch, operating mechanism, mutual inductor and various protective devices inside it, and is used to solve the problems raised in the above-mentioned background technology.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dustproof device for a switch cabinet, installed on a switch cabinet body (1), characterized in that: A mounting shell (2) is fixedly arranged on the right side of the switch cabinet body (1); a mounting groove (3) is provided on the surface of the mounting shell (2); a reeling shaft (4) and a reeling shaft (5) are overlapped and arranged inside the mounting groove (3); a PVC dustproof net (7) is wound around the surface of the reeling shaft (4); a reeling roller (8) is fixedly arranged at one end of the PVC dustproof net (7); the reeling roller (8) is fixedly mounted on the surface of the reeling shaft (5); the PVC dustproof net (7) and the reeling roller (8) are both overlapped with the inside of the mounting shell (2); a hand-held knob (9) is fixedly arranged at the bottom of the reeling shaft (5); a limit plate (10) is overlapped and arranged on the rear side of the PVC dustproof net (7); the limit plate (10) is fixedly mounted inside the mounting shell (2); and a sealing component is arranged on the right side of the mounting shell (2).

2. The dustproof device for a switch cabinet according to claim 1, characterized in that: The sealing component comprises a sealing cover plate (11), an air inlet (12) is provided through the right side of the sealing cover plate (11), a fixed block (13) is fixedly provided on the left side of the sealing cover plate (11), a limit frame (14) is fixedly provided on the right side of the sealing cover plate (11), the limit frame (14) is in contact with the PVC dustproof net (7), and the sealing cover plate (11) is provided with fixed components on both the front and rear sides.

3. The dustproof device for a switch cabinet according to claim 2, characterized in that: The fixing assembly comprises a fixing plate (15), the fixing plate (15) being fixedly mounted on the sealing cover plate (11), a fixing stud (16) being fixedly arranged on the left side of the fixing plate (15), a connecting plate (17) being overlappedly arranged on the left side of the fixing plate (15), the connecting plate (17) being fixedly mounted on the mounting housing (2), a connecting hole (18) being penetrated through the surface of the connecting plate (17), the connecting hole (18) being overlappedly arranged with the fixing stud (16), and a fixing nut (19) being threadedly arranged on the surface of the fixing stud (16).

4. The dustproof device for a switch cabinet according to claim 2, characterized in that: The number of the installation slots (3) and the number of the fixed card blocks (13) are both four, and the four installation slots (3) and the four fixed card blocks (13) are all symmetrically distributed, and the fixed card blocks (13) are overlapped with the installation slots (3).

5. The dustproof device for a switch cabinet according to claim 2, characterized in that: The limiting frame (14) is of a circular structure, the limiting frame (14) is made of a metal material, and the limiting frame (14) is overlapped with the installation shell (2).

6. The dustproof device for a switch cabinet according to claim 1, characterized in that: The installation shell (2) is of a circular structure, the installation shell (2) is made of a metal material, and the installation shell (2) is overlapped with the sealing cover plate (11).

7. The dustproof device for a switch cabinet according to claim 1, characterized in that: The number of the limiting plates (10) is two, and the two limiting plates (10) are respectively fixedly mounted on the upper and lower side walls of the switch cabinet body (1), and the limiting plates (10) are in a rectangular structure.

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