Power switch cabinet with arc light protection function

Abstract

The utility model discloses a power switch cabinet with an arc light protection function, which comprises a switch cabinet body, the outer side of the switch cabinet body is fixedly connected with a mounting bracket, the upper part of the left side of the mounting bracket is fixedly connected with a control box, and the front side of the control box is fixedly provided with an arc light protector main body in a penetrating manner. A heat dissipation box is fixedly connected to the lower portion of the left side of the installation support, and dustproof ventilation nets are arranged on the upper portion and the lower portion of the front side of the heat dissipation box in a penetrating mode, so that line cables of the arc light protector body are wired through the wiring cavity, and it is avoided that multiple lines are wired in the switch cabinet body; the situation that disordered wires in the switch cabinet are fixed together is avoided, maintenance of the switch cabinet is facilitated, the temperature generated in the using process of the arc light protector body is reduced, the temperature in the control box and the temperature in the switch cabinet body can be reduced, and the temperature in the control box and the temperature in the switch cabinet body can be reduced. And the internal high temperature is prevented from being dissipated quickly after arc protection is powered off.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a power switch cabinet with an arc protection function. Background Art

[0002] In the power distribution system, the switchgear is an electrical device that plays the role of opening and closing, controlling and protecting the electrical equipment in the process of power generation, transmission, distribution and power conversion in the power system. However, since the switchgear is usually sealed, all electrical components inside are often damaged due to busbar failure. Once a short circuit occurs in the power system, a huge arc light will be generated. When the arc light occurs, a large amount of light energy radiation and high temperature radiation will be generated. These radiations have a great destructive effect on the power system and sometimes cause casualties of operators.

[0003] In the prior art, application number 201922249409.8 discloses a switch cabinet with an arc protection mechanism, including a cabinet body, a cabinet door hinged on the side of the cabinet body, a partition fixedly installed on the inner middle part of the cabinet body by bolts, a switch mounting plate is arranged above the partition, a switch plug-in is installed on the back of the switch mounting plate, a switch cabinet CPU is vertically installed on the front of the switch mounting plate, the arc protection mechanism is arranged on the outside of the cabinet body, the arc protection mechanism includes a control unit module, a communication module connector, a relay connector, a current unit connector and an arc relay expander are arranged on the control unit module, an arc relay is connected to the arc relay expander, and an arc probe is connected to the arc relay; the arc protection device of the above-mentioned device has a relatively single function, and cannot fix the messy wires in the switch cabinet together, which is inconvenient for the maintenance of the switch cabinet.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a power switch cabinet with arc protection function to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A power switch cabinet with an arc protection function comprises a switch cabinet body, a mounting bracket is fixedly connected to the outside of the switch cabinet body, a control box is fixedly connected to the upper left side of the mounting bracket, an arc protector body is fixed through the front side of the control box, a heat sink is fixedly connected to the lower left side of the mounting bracket, and dustproof ventilation nets are respectively provided through the upper and lower front sides of the heat sink.

[0008] Preferably, the mounting bracket comprises an L-shaped mounting plate and a transverse plate, the left side of the L-shaped mounting plate is fixedly connected to the transverse plate, and the inner wall of the L-shaped mounting plate is fixedly connected to the outer wall of the switch cabinet body.

[0009] Preferably, the top side of the horizontal plate is fixedly connected to the control box, the bottom side of the horizontal plate is fixedly connected to the heat dissipation box, and wiring cavities are respectively provided in the L-shaped mounting plate and the wall cavity of the horizontal plate.

[0010] Preferably, the wiring cavity of the horizontal plate is connected to the wiring cavity of the L-shaped mounting plate, and probe mounting holes are respectively provided on the upper left side of the inner wall and the top side of the inner wall of the L-shaped mounting plate.

[0011] Preferably, a mounting opening is provided through the front side of the control box, and the mounting opening is embedded and fixed to the arc protector body. A wire harness tube is fixedly connected to the rear side of the inner wall of the control box, and the wire harness tube is through-connected to the wiring cavity of the L-shaped mounting plate.

[0012] Preferably, the front end of the cable bundle tube is fixedly connected to a positioning slot plate, the positioning slot plate is movably sleeved on the rear side of the arc protector body, a protective net is sleeved and fixed on the outer wall of the positioning slot plate, and a first exhaust fan is equidistantly penetrated on the inner wall of the positioning slot plate.

[0013] Preferably, ventilation holes are equidistantly arranged below the inner wall of the L-shaped mounting plate, the ventilation holes are through-connected with the inner cavity of the switch cabinet body, and partitions are fixedly connected between the inner walls of the heat dissipation box.

[0014] Preferably, a first air supply bend is provided above the partition, and a second air supply bend is provided below the partition, the top end of the first air supply bend extends into the interior of the control box, the right end of the second air supply bend passes through the right side of the heat dissipation box and corresponds to the position of the ventilation hole, and a second exhaust fan is fixedly connected to the outer ends of the first air supply bend and the second air supply bend.

[0015] The beneficial effects of the utility model are as follows: the line cables of the arc protector body are routed through the wiring cavity, and multiple probes are installed in the busbar room, trolley room, and cable room of the switch cabinet body, thereby avoiding the routing of multiple lines in the switch cabinet body and avoiding the situation where the wires in the switch cabinet are fixed together in a disorderly manner, which is convenient for the maintenance of the switch cabinet, and can improve the heat dissipation efficiency of the arc protector body, reduce the temperature generated during the use of the arc protector body, and can cool the temperature inside the control box and the temperature inside the switch cabinet body respectively, thereby avoiding the rapid dissipation of the high temperature inside after the arc protection is powered off. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a power switch cabinet with arc protection function according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic cross-sectional structure diagram of a mounting bracket of a power switch cabinet with arc protection function according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of a control box of a power switch cabinet with arc protection function according to an embodiment of the utility model;

[0020] Figure 4 The present invention is a schematic diagram of the internal structure of a heat sink box of an electric power switch cabinet with arc protection function according to an embodiment of the present invention.

[0021] In the figure:

[0022] 1. Switch cabinet body; 2. Mounting bracket; 3. Control box; 4. Arc protector body; 5. Heat sink; 6. Dust-proof ventilation net; 7. L-shaped mounting plate; 8. Horizontal plate; 9. Wiring cavity; 10. Probe mounting hole; 11. Mounting port; 12. Wire harness; 13. Positioning slot plate; 14. Protective net; 15. First row of fans; 16. Ventilation holes; 17. Partition; 18. First air supply bend; 19. Second air supply bend; 20. Second row of fans. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a power switch cabinet with arc protection function is provided.

[0025] Embodiment 1

[0026] like Figure 1-4As shown, according to an embodiment of the utility model, an electric switch cabinet with arc protection function includes a switch cabinet body 1, a mounting bracket 2 is fixedly connected to the outside of the switch cabinet body 1, a control box 3 is fixedly connected to the upper left side of the mounting bracket 2, an arc protector body 4 is fixedly connected to the front side of the control box 3, a heat sink 5 is fixedly connected to the lower left side of the mounting bracket 2, and a dustproof ventilation net 6 is respectively penetrated through the upper and lower front sides of the heat sink 5, the mounting bracket 2 includes an L-shaped mounting plate 7 and a horizontal plate 8, the left side of the L-shaped mounting plate 7 is fixedly connected to the horizontal plate 8, the inner wall of the L-shaped mounting plate 7 is fixedly connected to the outer wall of the switch cabinet body 1, the top side of the horizontal plate 8 is fixedly connected to the control box 3, the bottom side of the horizontal plate 8 is fixedly connected to the heat sink 5, and wiring cavities 9 are respectively provided in the wall cavities of the L-shaped mounting plate 7 and the horizontal plate 8, the wiring cavity 9 of the horizontal plate 8 is connected through the wiring cavity 9 of the L-shaped mounting plate 7, and the L-shaped mounting plate Probe mounting holes 10 are respectively provided on the upper left side of the inner wall 7 and the top side of the inner wall. The control box 3 is fixedly connected to the heat dissipation box 5 through the L-shaped mounting plate 7 and the cross plate 8 on the switch cabinet body 1. Wiring cavities 9 are provided in the wall cavities of the L-shaped mounting plate 7 and the cross plate 8, and the wiring cavities 9 are connected through. Probe mounting holes 10 are respectively provided on the left side and the top side of the inner wall of the L-shaped mounting plate 7. The line cables of the arc protector body 4 can be buried in the wiring cavity 9, and then the probe is extended out of the probe mounting hole 10 and fixed through the probe mounting hole 10, so that the line cables of the arc protector body 4 are routed through the wiring cavity 9, and multiple probes are installed in the busbar room, trolley room, and cable room of the switch cabinet body 1, which avoids the routing of multiple lines in the switch cabinet body 1 and the situation where the messy wires in the switch cabinet are fixed together, which is convenient for the maintenance of the switch cabinet.

[0027] Embodiment 2

[0028] like Figure 1-4As shown, according to an embodiment of the utility model, a power switch cabinet with an arc protection function includes a switch cabinet body 1, a mounting bracket 2 is fixedly connected to the outside of the switch cabinet body 1, a control box 3 is fixedly connected to the upper left side of the mounting bracket 2, an arc protector body 4 is fixedly connected to the front side of the control box 3, a heat sink 5 is fixedly connected to the lower left side of the mounting bracket 2, a dustproof ventilation net 6 is respectively penetrated through the upper and lower front sides of the heat sink 5, a mounting opening 11 is penetrated through the front side of the control box 3, the mounting opening 11 is embedded and fixed with the arc protector body 4, a wire harness tube 12 is fixedly connected to the rear side of the inner wall of the control box 3, the wire harness tube 12 is connected to the wiring cavity 9 of the L-shaped mounting plate 7, and the front end of the wire harness tube 12 is fixedly connected There is a positioning slot plate 13, which is movably sleeved on the rear side of the arc protector body 4. A protective net 14 is sleeved and fixed on the outer wall of the positioning slot plate 13. A first exhaust fan 15 is equidistantly penetrated on the inner wall of the positioning slot plate 13. After the arc protector body 4 is installed inside the mounting port 11 of the control box 3, the arc protector body 4 will be sleeved inside the positioning slot plate 13 for limited support. The protective net 14 can protect the arc protector body 4. The wire harness tube 12 can centrally extend the line cables of the arc protector body 4 into the wiring cavity 9. Through the first exhaust fan 15, the heat dissipation efficiency of the arc protector body 4 can be improved, and the temperature generated during the use of the arc protector body 4 can be reduced.

[0029] Embodiment 3

[0030] like Figure 1-4 As shown, according to an embodiment of the utility model, a power switch cabinet with arc protection function includes a switch cabinet body 1, a mounting bracket 2 is fixedly connected to the outside of the switch cabinet body 1, a control box 3 is fixedly connected to the upper left side of the mounting bracket 2, an arc protector body 4 is fixedly connected to the front side of the control box 3, a heat sink 5 is fixedly connected to the lower left side of the mounting bracket 2, a dustproof ventilation net 6 is respectively penetrated through the upper and lower front sides of the heat sink 5, ventilation holes 16 are equidistantly arranged at the lower inner wall of the L-shaped mounting plate 7, the ventilation holes 16 are connected to the inner cavity of the switch cabinet body 1, a partition 17 is fixedly connected between the inner walls of the heat sink 5, a first air delivery elbow 18 is arranged above the partition 17, and a first air delivery elbow 18 is arranged below the partition 17. A second air supply bend 19 is provided, the top end of the first air supply bend 18 extends into the control box 3, the right end of the second air supply bend 19 passes through the right side of the heat sink 5 and corresponds to the position of the ventilation hole 16, and the outer ends of the first air supply bend 18 and the second air supply bend 19 are fixedly connected with a second exhaust fan 20, which are respectively installed on the first air supply bend 18 and the second air supply bend 19 inside the heat sink 5. The second exhaust fan 20 in the first air supply bend 18 and the second exhaust fan 20 in the second air supply bend 19 can respectively cool down the temperature inside the control box 3 and the temperature inside the switch cabinet body 1, so as to avoid quickly dissipating the high temperature inside after the arc protection is powered off.

[0031] In summary, with the aid of the above technical solution of the utility model, when the device is in use, the control box 3 is fixedly connected to the heat dissipation box 5 through the L-shaped mounting plate 7 and the cross plate 8 in the switch cabinet body 1, and a wiring cavity 9 is provided in the wall cavity of the L-shaped mounting plate 7 and the cross plate 8, and the wiring cavities 9 are connected through, and the left side and the top side of the inner wall of the L-shaped mounting plate 7 are respectively provided with a probe mounting hole 10, and the line cable of the arc protector body 4 can be buried in the wiring cavity 9, and then the probe is extended out of the probe mounting hole 10 and fixed through the probe mounting hole 10, so that the line cable of the arc protector body 4 is routed through the wiring cavity 9, so that multiple probes can be installed in the busbar room, trolley room, cable room of the switch cabinet body 1 The arc protector body 4 is installed in the installation port 11 of the control box 3, and the arc protector body 4 is sleeved in the positioning slot plate 13 for limited support. The protective net 14 can protect the arc protector body 4. The wire harness 12 can centrally extend the line cables of the arc protector body 4 into the wiring cavity 9. The first air supply bend 18 and the second air supply bend 19 are respectively installed in the heat dissipation box 5. The second exhaust fan 20 in the first air supply bend 18 and the second exhaust fan 20 in the second air supply bend 19 can respectively cool down the temperature inside the control box 3 and the temperature inside the switch cabinet body 1.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A power switch cabinet with arc protection function, comprising a switch cabinet body (1), characterized in that: The switch cabinet body (1) is fixedly connected to a mounting bracket (2) on the outside, a control box (3) is fixedly connected to the upper left side of the mounting bracket (2), an arc protector body (4) is fixedly passed through the front side of the control box (3), a heat sink (5) is fixedly connected to the lower left side of the mounting bracket (2), and a dustproof ventilation net (6) is respectively passed through the upper and lower front sides of the heat sink (5).

2. The electric switch cabinet with arc protection function according to claim 1, characterized in that: The mounting bracket (2) comprises an L-shaped mounting plate (7) and a transverse plate (8); the left side of the L-shaped mounting plate (7) is fixedly connected to the transverse plate (8); and the inner wall of the L-shaped mounting plate (7) is fixedly connected to the outer wall of the switch cabinet body (1).

3. The electric switch cabinet with arc protection function according to claim 2, characterized in that: The top side of the transverse plate (8) is fixedly connected to the control box (3), the bottom side of the transverse plate (8) is fixedly connected to the heat sink (5), and wiring cavities (9) are respectively provided in the wall cavities of the L-shaped mounting plate (7) and the transverse plate (8).

4. The electric switch cabinet with arc protection function according to claim 3, characterized in that: The wiring cavity (9) of the horizontal plate (8) is connected to the wiring cavity (9) of the L-shaped mounting plate (7), and probe mounting holes (10) are respectively provided on the upper left side of the inner wall and the top side of the inner wall of the L-shaped mounting plate (7).

5. The electric switch cabinet with arc protection function according to claim 4, characterized in that: The front side of the control box (3) is provided with a mounting opening (11), the mounting opening (11) is embedded and fixed to the arc protector body (4), the rear side of the inner wall of the control box (3) is fixedly connected with a wire harness tube (12), and the wire harness tube (12) is connected to the wiring cavity (9) of the L-shaped mounting plate (7).

6. The electric switch cabinet with arc protection function according to claim 5, characterized in that: The front end of the cable bundle tube (12) is fixedly connected to a positioning slot plate (13), the positioning slot plate (13) is movably sleeved on the rear side of the arc protector body (4), a protective net (14) is sleeved and fixed on the outer wall of the positioning slot plate (13), and a first exhaust fan (15) is equidistantly penetrated on the inner wall of the positioning slot plate (13).

7. The electric switch cabinet with arc protection function according to claim 6, characterized in that: Ventilation holes (16) are equidistantly arranged below the inner wall of the L-shaped mounting plate (7), the ventilation holes (16) are connected to the inner cavity of the switch cabinet body (1), and a partition plate (17) is fixedly connected between the inner walls of the heat dissipation box (5).

8. The electric switch cabinet with arc protection function according to claim 7, characterized in that: A first air supply bend (18) is provided above the partition (17), and a second air supply bend (19) is provided below the partition (17). The top end of the first air supply bend (18) extends into the interior of the control box (3), and the right end of the second air supply bend (19) passes through the right side of the heat dissipation box (5) and corresponds to the position of the ventilation hole (16). A second exhaust fan (20) is fixedly connected to the outer ends of the first air supply bend (18) and the second air supply bend (19).

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