Explosion-proof PLC control cabinet

Abstract

The utility model discloses an explosion-proof PLC control cabinet which comprises a first cabinet body, a first rectangular through hole is formed in the side wall face of one end of the first cabinet body, a first sliding door is hinged to the side wall face in the first rectangular through hole, and a second cabinet body and a starting fan are installed in the first cabinet body. Dust in the second cabinet body is absorbed through a pair of air pipes and a pair of air inlets, at the moment, the dust can be collected through a filter bag, and after dust removal is completed, a driving motor can rotate reversely, so that a first barrel passes through semicircular grooves in the lower wall faces of a pair of first plate bodies and a sealing gasket, and sealing of the second cabinet body is completed; therefore, the contact between the air and the electric appliance element is reduced, the burning opportunity is reduced, and the explosion-proof effect is realized.

Description

Technical Field

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

[0002] PLC control cabinet refers to a control cabinet containing a complete set of PLC controllers, which is an electrical cabinet that can realize the control of electromechanical and switches. PLC control cabinet has functions such as overload, short circuit, and phase loss protection. It has a compact structure, stable operation, and complete functions. It can be combined according to the actual control scale. It can realize single cabinet automatic control, and can also realize multiple cabinets through industrial Ethernet or industrial field bus network to form a distributed control system. It can adapt to various large and small scale industrial automation control occasions and is widely used in power, metallurgy, chemical industry, papermaking, environmental protection and sewage treatment industries.

[0003] There are various PLC control cabinets in the prior art. However, when the control cabinet is used, since electronic components are installed inside, it is easy to generate heat when dust accumulates or is overloaded, and thus it is easy to cause a fire. In view of this situation, a control cabinet with dust cleaning and sealing is designed, so the use of this explosion-proof PLC control cabinet is needed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an explosion-proof PLC control cabinet, which solves the technical problems raised in the above background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an explosion-proof PLC control cabinet, comprising a first cabinet body, a first rectangular through hole is opened on the side wall surface at one end of the first cabinet body, a first sliding door is hinged on the side wall surface inside the first rectangular through hole, a second cabinet body is installed inside the first cabinet body, a second rectangular through hole is opened on the side wall surface of the second cabinet body and a door body sealing assembly is installed inside the second rectangular through hole, a first rectangular groove is opened on the upper wall surface of the first cabinet body, a first cylinder is inserted on the upper wall surface of the second cabinet body and the first cylinder is inserted inside the first rectangular groove, a sealing assembly is installed inside the first rectangular groove, a dust collection assembly is installed on the upper end of the sealing assembly, first spaces are opened inside the three side walls of the first cabinet body, and a number of anti-collision assemblies are installed inside the three first spaces.

[0006] Preferably, the anti-collision component includes a first rod body, the upper and lower walls of the first rod body are fixedly inserted on the upper and lower walls inside the first space, a first slide groove is opened on the side wall surface inside the first space, a plurality of first sliders are installed inside the first slide groove, a second fixed block is installed at the other end of a plurality of the first sliders, a plurality of the second fixed blocks are movably mounted on the first rod body, and a plurality of arc-shaped plates are hinged at one end of a plurality of the second fixed blocks.

[0007] Preferably, the door sealing assembly includes a second sliding door, the second sliding door is hinged on the inner side wall surface of the second rectangular groove, and two pairs of rubber strips are installed on the side wall surface of the second sliding door.

[0008] Preferably, the sealing assembly includes a first fixed block, a pair of the first fixed blocks are both inserted on the upper wall of the first cabinet, a first box is inserted inside the first fixed block, a motor is installed inside the first box, a bidirectional threaded rod is installed at the driving end of the motor and the other end of the bidirectional threaded rod is movably inserted on the side wall of the first fixed block, a pair of second slide grooves are opened on the lower wall inside the first rectangular groove, a pair of second slide grooves are both installed with second sliders, a pair of second sliders are both installed on the upper ends of a first plate body, a pair of threaded holes are opened on the side wall of the first plate body and the pair of threaded holes are both mounted on the outer wall of the bidirectional threaded rod, a pair of semicircular grooves are opened on the lower wall of the first plate body and sealing gaskets are installed inside the pair of semicircular grooves.

[0009] Preferably, the dust collection assembly includes an air inlet, a pair of first rectangular grooves inside the air inlets, a second box body installed on the upper ends of the pair of air inlets, and air pipes are inserted on both ends of the second box body and one end of the pair of air inlets, a fan is inserted on one end of the second box body, and a filter bag is installed on the exhaust end of the fan.

[0010] Beneficial Effects

[0011] The utility model provides an explosion-proof PLC control cabinet. When the utility model is in use of the control cabinet, when installing electrical components, the first sliding door and the second sliding door can be opened for installation. When closed, the second sliding door can be used to seal the cabinet. At this time, the motor inside the first box body is started, and the sealing of the first cylinder body is released through a pair of first plates. The fan is started, and the dust inside the second cabinet body is absorbed through a pair of air pipes and a pair of air inlets. At this time, the dust can be collected through the filter bag. After the dust is cleaned, the motor can be driven to reverse so that the first cylinder body passes through the semicircular grooves and the sealing pads on the lower wall of the pair of first plates to complete the sealing of the second cabinet body, thereby reducing the contact between air and electrical components, thereby reducing the chance of fire, and achieving an explosion-proof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main view structure of an explosion-proof PLC control cabinet described in the utility model.

[0013] Figure 2 The utility model is a schematic diagram of the arc-shaped plate structure of an explosion-proof PLC control cabinet.

[0014] In the figure: 1. first cabinet; 2. first sliding door; 3. second sliding door; 4. rubber strip; 5. second cabinet; 6. first fixed block; 7. first plate; 8. bidirectional threaded rod; 9. motor; 10. first box; 11. arc-shaped plate; 12. air inlet; 13. second box; 14. air pipe; 15. fan; 16. filter bag; 17. first cylinder; 18. first rod; 19. second fixed block. DETAILED DESCRIPTION

[0015] 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.

[0016] See also Figure 1-2 The utility model provides a technical solution: an explosion-proof PLC control cabinet, comprising a first cabinet body 1, a first rectangular through hole is opened on the side wall surface at one end of the first cabinet body 1, a first sliding door 2 is hinged on the side wall surface inside the first rectangular through hole, a second cabinet body 5 is installed inside the first cabinet body 1, a second rectangular through hole is opened on the side wall surface of the second cabinet body 5 and a door body sealing component is installed inside the second rectangular through hole, a first rectangular groove is opened on the upper wall surface of the first cabinet body 1, a first cylinder body 17 is inserted on the upper wall surface of the second cabinet body 5 and the first cylinder body 17 is inserted inside the first rectangular groove, a sealing component is installed inside the first rectangular groove, a dust collection component is installed on the upper end of the sealing component, first spaces are opened inside the three side walls of the first cabinet body 1, and a number of anti-collision components are installed inside the three first spaces.

[0017] When using the control cabinet, when installing electrical components, the first sliding door 2 and the second sliding door 3 can be opened for installation. When closed, the rubber strip 4 on the side wall of the second sliding door 3 can be used to seal the first sliding door 10. The motor 9 inside the first box body 10 is started and the rotation of the driving end of the motor 9 is used to complete the rotation of the bidirectional threaded rod 8. The second slide groove and the second slider are used to assist in the relative or opposite movement of a pair of first plates 7. The first cylinder 17 is released from the sealing of the pair of first plates 7. The fan 15 is started and the dust inside the second cabinet body 5 is absorbed through a pair of air pipes 14 and a pair of air inlets 12. The dust can be collected through the filter bag 16. After cleaning, the motor 9 can be driven to reverse so that the first cylinder 17 passes through the semicircular grooves and sealing pads on the lower wall of the pair of first plates 7 to complete the sealing of the second cabinet body 5, thereby reducing the contact between air and electrical components, thereby reducing the chance of fire, and achieving an explosion-proof effect.

[0018] The present embodiment is further configured such that the anti-collision component includes a first rod body 18, the upper and lower walls of the first rod body 18 are fixedly inserted on the upper and lower walls inside the first space, a first slide groove is provided on the side wall inside the first space, a plurality of first sliders are installed inside the first slide groove, a second fixed block 19 is installed on the other end of a plurality of the first sliders, a plurality of the second fixed blocks 19 are movably mounted on the first rod body 18, and a plurality of arc-shaped plates 11 are hinged on one end of a plurality of the second fixed blocks 19.

[0019] The present embodiment is further configured such that the door body sealing assembly includes a second sliding door 3 , the second sliding door 3 is hinged on the inner side wall surface of the second rectangular groove, and two pairs of rubber strips 4 are installed on the side wall surface of the second sliding door 3 .

[0020] When the control cabinet is used, when installing electrical components, the first sliding door 2 and the second sliding door 3 can be opened for installation, and when closed, the second sliding door 3 can be sealed with the rubber strip 4 on the side wall.

[0021] The present embodiment is further configured as follows: the sealing assembly includes a first fixed block 6, a pair of the first fixed blocks 6 are both inserted on the upper wall of the first cabinet 1, a first box 10 is inserted inside the first fixed block 6, a motor 9 is installed inside the first box 10, a bidirectional threaded rod 8 is installed on the driving end of the motor 9 and the other end of the bidirectional threaded rod 8 is movably inserted on the side wall of the first fixed block 6, a pair of second slide grooves are opened on the lower wall inside the first rectangular groove, a pair of second slide grooves are both installed with second sliders, a pair of first plates 7 are installed on the upper ends of the second sliders, a pair of threaded holes are opened on the side walls of the first plates 7 and the pair of threaded holes are both mounted on the outer wall of the bidirectional threaded rod 8, a pair of semicircular grooves are opened on the lower wall of the first plates 7 and sealing gaskets are installed inside the pair of semicircular grooves.

[0022] The driving motor 9 is reversed to move the first cylinder 17 through a pair of semicircular grooves and sealing gaskets on the lower wall of the first plate body 7 to complete the sealing of the second cabinet 5, thereby reducing the contact between air and electrical components, thereby reducing the chance of fire, and achieving an explosion-proof effect.

[0023] The present embodiment is further configured such that the dust collection assembly includes an air inlet 12, a pair of first rectangular grooves of the air inlet 12, a second box body 13 is installed on the upper ends of the pair of air inlets 12, and air pipes 14 are inserted on both ends of the second box body 13 and one end of the pair of air inlets 12, a fan 15 is inserted on one end of the second box body 13, and a filter bag 16 is mounted on the exhaust end of the fan 15.

[0024] The fan 15 is started to absorb the dust inside the second cabinet 5 through a pair of air pipes 14 and a pair of air inlets 12 . At this time, the dust can be collected by the filter bag 16 .

[0025] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0026] Embodiment: When using the control cabinet, when installing electrical components, the first sliding door 2 and the second sliding door 3 can be opened for installation. When closed, the rubber strip 4 on the side wall of the second sliding door 3 can be used to seal. By starting the motor 9 inside the first box body 10, the rotation of the bidirectional threaded rod 8 is completed by the rotation of the driving end of the motor 9. At this time, the relative or toward movement of a pair of first plates 7 is completed with the assistance of the second slide groove and the second slider. At this time, the sealing of the first cylinder 17 is released by the pair of first plates 7. By starting the fan 15, the dust inside the second cabinet 5 is absorbed through a pair of air pipes 14 and a pair of air inlets 12. At this time, the dust can be collected through the filter bag 16. After cleaning, the motor 9 can be driven to reverse so that the first cylinder 17 passes through the semicircular grooves and sealing gaskets on the lower wall of the pair of first plates 7 to complete the sealing of the second cabinet 5, thereby reducing the contact between air and electrical components, thereby reducing the chance of fire, and achieving an explosion-proof effect.

[0027] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. An explosion-proof PLC control cabinet, comprising a first cabinet body (1), characterized in that: A first rectangular through hole is formed on the side wall surface at one end of the first cabinet body (1), a first sliding door (2) is hingedly connected to the side wall surface inside the first rectangular through hole, a second cabinet body (5) is installed inside the first cabinet body (1), a second rectangular through hole is formed on the side wall surface of the second cabinet body (5) and a door body sealing component is installed inside the second rectangular through hole, a first rectangular groove is formed on the upper wall surface of the first cabinet body (1), a first cylinder body (17) is inserted into the upper wall surface of the second cabinet body (5) and the first cylinder body (17) is inserted into the first rectangular groove, a sealing component is installed inside the first rectangular groove, a dust collecting component is installed on the upper end of the sealing component, first spaces are formed inside the three side walls of the first cabinet body (1), and a plurality of anti-collision components are installed inside the three first spaces.

2. The explosion-proof PLC control cabinet according to claim 1, characterized in that: The anti-collision component comprises a first rod body (18), the upper and lower walls of the first rod body (18) are fixedly inserted on the upper and lower walls inside the first space, a first slide groove is provided on the side wall inside the first space, a plurality of first sliding blocks are installed inside the first slide groove, a second fixing block (19) is installed at the other end of the plurality of first sliding blocks, the plurality of second fixing blocks (19) are movably mounted on the first rod body (18), and one end of the plurality of second fixing blocks (19) is hinged with a plurality of arc-shaped plates (11).

3. The explosion-proof PLC control cabinet according to claim 1, characterized in that: The door body sealing assembly comprises a second sliding door (3), wherein the second sliding door (3) is hinged on the inner side wall surface of the second rectangular groove, and two pairs of rubber strips (4) are installed on the side wall surface of the second sliding door (3).

4. The explosion-proof PLC control cabinet according to claim 1, characterized in that: The sealing assembly comprises a first fixing block (6), a pair of the first fixing blocks (6) are both inserted on the upper wall surface of the first cabinet (1), a first box body (10) is inserted inside the first fixing block (6), a motor (9) is installed inside the first box body (10), a bidirectional threaded rod (8) is installed on the driving end of the motor (9), and the other end of the bidirectional threaded rod (8) is movably inserted on the side wall surface of the first fixing block (6), a pair of second slide grooves are opened on the lower wall surface of the first rectangular groove, a second slider is installed inside the pair of the second slide grooves, a first plate body (7) is installed on the upper end of the pair of the second sliders, a pair of threaded holes are opened on the side wall surface of the first plate body (7), and the pair of threaded holes are mounted on the outer wall surface of the bidirectional threaded rod (8), a pair of semicircular grooves are opened on the lower wall surface of the first plate body (7), and a sealing gasket is installed inside the pair of semicircular grooves.

5. The explosion-proof PLC control cabinet according to claim 1, characterized in that: The dust collection assembly comprises an air inlet (12), a pair of first rectangular grooves inside the air inlets (12), a second box (13) installed on the upper ends of the pair of air inlets (12), and air pipes (14) are inserted on both ends of the second box (13) and one end of the pair of air inlets (12), a fan (15) is inserted on one end of the second box (13), and a filter bag (16) is mounted on the exhaust end of the fan (15).

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