Low-voltage draw-out switch cabinet

Abstract

The utility model discloses a low-voltage draw-out switch cabinet which comprises a cabinet body, the outer wall of one side of the cabinet body is rotatably connected with a cover plate, the bottom of the cabinet body is fixedly connected with a bottom box, four corners of the bottom of the bottom box are fixedly connected with supporting legs, the inner wall of the cabinet body is provided with a plurality of draw-out cabinets, one side of each draw-out cabinet is provided with a heat exchange plate, and the heat exchange plates are fixedly connected with the bottom box. A circulation heat dissipation mechanism is arranged at the bottom of the heat exchange plate, a ventilation heat dissipation mechanism is arranged on one side of the heat exchange plate, and a ventilation plate is fixedly connected to the outer wall of the cover plate. The ventilation and heat dissipation mechanism arranged on one side of the heat exchange plate in the cabinet body can be matched with the ventilation plate on the outer wall of the cover plate to conduct ventilation and heat dissipation treatment on the interior of the cabinet body, the circulation heat dissipation mechanism arranged at the bottom of the heat exchange plate can conduct cooling liquid circulation heat exchange treatment on the interior of the cabinet body, and the heat dissipation effect is further improved; and the ventilation and heat dissipation mechanism can ensure the heat dissipation effect in the cabinet body.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a low-voltage drawable switch cabinet. Background Art

[0002] Low-voltage switchgear is suitable for power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and other industries for power transmission, distribution and power conversion. Low-voltage switchgear can be divided into fixed type and withdrawable type in structure. The withdrawable type is composed of a fixed cabinet and a movable drawer with switches and other main electrical components, which can facilitate the disassembly, movement and repair of electrical components. The drawer of the switchgear is similar to the conventional drawer.

[0003] For example, the utility model patent with patent number 202020094628.3 discloses a low-voltage withdrawable switch cabinet, which has the effect of ventilation and heat dissipation through the arrangement of ventilation and heat dissipation devices and thermometers, thereby preventing the electrical components from being damaged by moisture and excessive temperature inside the cabinet. However, it is difficult to ensure the heat dissipation effect inside the cabinet by only using a cooling fan for ventilation and heat dissipation. In view of this, a low-voltage withdrawable switch cabinet is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a low-voltage draw-out switch cabinet.

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

[0006] A low-voltage withdrawable switch cabinet comprises a cabinet body, wherein a cover plate is rotatably connected to the outer wall of one side of the cabinet body, a bottom box is fixedly connected to the bottom of the cabinet body, and legs are fixedly connected to the four corners of the bottom of the bottom box. A plurality of withdrawable cabinets are arranged on the inner wall of the cabinet body, a heat exchange plate is arranged on one side of the withdrawable cabinet, a circulating heat dissipation mechanism is arranged at the bottom of the heat exchange plate, a ventilation heat dissipation mechanism is arranged on one side of the heat exchange plate, and an air permeable plate is fixedly connected to the outer wall of the cover plate.

[0007] Preferably, the circulating heat dissipation mechanism includes a first liquid guide pipe and a second liquid guide pipe, the heat exchange plate is arranged to be hollow, one end of the inner wall of the bottom box is fixedly connected to a liquid pump, the top of the liquid pump is fixedly connected to the first liquid guide pipe, the top of the first liquid guide pipe is fixedly connected to the heat exchange plate, the second liquid guide pipe is fixedly connected to the other end of the bottom outer wall of the heat exchange plate, and the second liquid guide pipe is located inside the bottom box.

[0008] Preferably, the ventilation and heat dissipation mechanism includes an air pump and a rotating shaft, a top box is fixedly connected to the top of the cabinet, the top of the rotating shaft is located inside the top box, the rotating shaft is set to be hollow, the air pump and the top box are fixedly connected, the air pump is fixedly connected to an air inlet pipe, the air inlet pipe is located inside the top box, and a plurality of first air outlet pipes are fixedly connected to the outer wall of the rotating shaft, and the first air outlet pipes are located inside one side of the heat exchange plate.

[0009] Preferably, a drying plate is fixedly connected inside the top box, and the drying plate is located between the air inlet pipe and the rotating shaft.

[0010] Preferably, a motor is fixedly connected to the bottom of the rotating shaft, the motor and the bottom box are fixedly connected, a plurality of second air outlet pipes are fixedly connected to the outer wall of the rotating shaft, and the second air outlet pipes are located inside the bottom box.

[0011] Preferably, both ends of the inner wall of the cabinet are provided with sliding grooves, the inner wall of the sliding groove is slidably connected with a plurality of sliders, the outer wall of the slider is threadedly connected with bolts, one end of the slider is fixedly connected with a drawer slide rail, and a buffer mechanism is provided between the drawer slide rail and the pull-out cabinet.

[0012] Preferably, the buffer mechanism comprises a spring and a damper, and the top and bottom of the spring and the damper are fixedly connected to the pull-out cabinet and the drawer slide rail respectively.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting a ventilation and heat dissipation mechanism on one side of the heat exchange plate in the cabinet, the air permeable plate on the outer wall of the cover plate can be used to ventilate and dissipate heat in the cabinet. By setting a circulating heat dissipation mechanism at the bottom of the heat exchange plate, the coolant can be circulated and heat exchanged in the cabinet to further improve the heat dissipation effect. The heat dissipation effect in the cabinet can be guaranteed by cooperating with the ventilation and heat dissipation mechanism.

[0015] 2. By setting a motor to drive the rotating shaft to rotate, the first air outlet pipe on the outer wall of the rotating shaft can be driven to rotate the heat exchange plate to discharge air and dissipate heat. By setting a second air outlet pipe on the outer wall of the rotating shaft, the liquid in the bottom box can be aerated and cooled by stirring, thereby improving the circulating heat exchange and cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a low-voltage drawable switch cabinet proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the partial main structure of a low-voltage drawable switch cabinet proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the side section structure of a low-voltage drawable switch cabinet proposed by the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the back section structure of a low-voltage drawable switch cabinet.

[0020] In the figure: 1 cabinet, 2 bottom box, 3 legs, 4 motor, 5 cover plate, 6 air permeable plate, 7 drawer cabinet, 8 spring, 9 damper, 10 drawer slide rail, 11 bolt, 12 slide groove, 13 slider, 14 air vent, 15 first air outlet pipe, 16 heat exchange plate, 17 rotating shaft, 18 second air outlet pipe, 19 liquid pump, 20 first liquid guide pipe, 21 air pump, 22 air inlet pipe, 23 drying plate, 24 top box, 25 second liquid guide pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-4 A low-voltage withdrawable switch cabinet comprises a cabinet body 1, a cover plate 5 is rotatably connected to the outer wall of one side of the cabinet body 1, a bottom box 2 is fixedly connected to the bottom of the cabinet body 1, and legs 3 are fixedly connected to the four corners of the bottom of the bottom box 2. A plurality of withdrawable cabinets 7 are arranged on the inner wall of the cabinet body 1, a heat exchange plate 16 is arranged on one side of the withdrawable cabinet 7, a circulating heat dissipation mechanism is arranged at the bottom of the heat exchange plate 16, a ventilation and heat dissipation mechanism is arranged on one side of the heat exchange plate 16, and a breathable plate 6 is fixedly connected to the outer wall of the cover plate 5. By arranging the ventilation and heat dissipation mechanism on one side of the heat exchange plate 16 in the cabinet body 1, the cabinet body 1 can be ventilated and heat-dissipated by cooperating with the breathable plate 6 on the outer wall of the cover plate 5. By arranging the circulating heat dissipation mechanism at the bottom of the heat exchange plate 16, the cabinet body 1 can be circulated and heat-exchanged by the coolant, thereby further improving the heat dissipation effect. The heat dissipation effect in the cabinet body can be ensured by cooperating with the ventilation and heat dissipation mechanism.

[0023] In the utility model, the circulating heat dissipation mechanism includes a first liquid guide pipe 20 and a second liquid guide pipe 25, the heat exchange plate 16 is set to be hollow, one end of the inner wall of the bottom box 2 is fixedly connected to a liquid pump 19, the top of the liquid pump 19 is fixedly connected to the first liquid guide pipe 20, the top of the first liquid guide pipe 20 is fixedly connected to the heat exchange plate 16, the second liquid guide pipe 25 is fixedly connected to the other end of the outer wall of the bottom of the heat exchange plate 16, and the second liquid guide pipe 25 is located inside the bottom box 2. By setting a circulating heat dissipation mechanism at the bottom of the heat exchange plate 16, the cabinet 1 can be circulated and heat exchanged with coolant, and the heat dissipation effect can be further improved;

[0024] The ventilation and heat dissipation mechanism includes an air pump 21 and a rotating shaft 17. A top box 24 is fixedly connected to the top of the cabinet 1. The top of the rotating shaft 17 is located inside the top box 24. The rotating shaft 17 is set to be hollow. The air pump 21 and the top box 24 are fixedly connected. The air pump 21 is fixedly connected to an air inlet pipe 22. The air inlet pipe 22 is located inside the top box 24. A plurality of first air outlet pipes 15 are fixedly connected to the outer wall of the rotating shaft 17. The first air outlet pipes 15 are located inside one side of the heat exchange plate 16. By setting the ventilation and heat dissipation mechanism on one side of the heat exchange plate 16 in the cabinet 1, the air permeable plate 6 on the outer wall of the cover plate 5 can be used to ventilate and dissipate heat in the cabinet 1;

[0025] A drying plate 23 is fixedly connected inside the top box 24, and the drying plate 23 is located between the air inlet pipe 22 and the rotating shaft 17 to dry the incoming gas;

[0026] The bottom of the rotating shaft 17 is fixedly connected with a motor 4, the motor 4 is fixedly connected to the bottom box 2, and the outer wall of the rotating shaft 17 is fixedly connected with a plurality of second air outlet pipes 18, which are located inside the bottom box 2. By arranging the second air outlet pipes 18 on the outer wall of the rotating shaft 17, the liquid in the bottom box 2 can be aerated and cooled by stirring, thereby improving the circulation heat exchange and cooling effect;

[0027] Both ends of the inner wall of the cabinet body 1 are provided with a slide groove 12, and a plurality of sliders 13 are slidably connected to the inner wall of the slide groove 12, and a bolt 11 is threadedly connected to the outer wall of the slider 13, and a drawer slide rail 10 is fixedly connected to one end of the slider 13, and a buffer mechanism is provided between the drawer slide rail 10 and the drawer cabinet 7, so as to facilitate the adjustment of the height of the drawer cabinet 7;

[0028] The buffer mechanism includes a spring 8 and a damper 9 . The top and bottom of the spring 8 and the damper 9 are fixedly connected to the drawer cabinet 7 and the drawer slide rail 10 respectively, so as to improve the vertical stability of the drawer cabinet 7 .

[0029] Working principle: In the idle space of this device, all the above-mentioned components, which refer to structural parts, are connected. The specific connection means should refer to the following working principle. The components are connected in sequence. The detailed connection means are well-known technologies in the field. The following mainly introduces the working principle and process, and no further explanation is given. When using this device, a ventilation and heat dissipation mechanism is set on one side of the heat exchange plate 16 in the cabinet 1, which can cooperate with the air permeable plate 6 on the outer wall of the cover plate 5 to ventilate and dissipate heat in the cabinet 1. A circulating heat dissipation mechanism is set at the bottom of the heat exchange plate 16 to circulate the coolant in the cabinet 1 for heat exchange, thereby further improving the heat dissipation effect. The ventilation and heat dissipation mechanism can ensure the heat dissipation effect in the cabinet.

[0030] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A low-voltage drawable switch cabinet, comprising a cabinet body (1), wherein a cover plate (5) is rotatably connected to an outer wall of one side of the cabinet body (1), characterized in that: The bottom of the cabinet (1) is fixedly connected to a bottom box (2), and the four corners of the bottom of the bottom box (2) are fixedly connected to support feet (3). The inner wall of the cabinet (1) is provided with a plurality of drawer cabinets (7), one side of the drawer cabinet (7) is provided with a heat exchange plate (16), the bottom of the heat exchange plate (16) is provided with a circulation heat dissipation mechanism, one side of the heat exchange plate (16) is provided with a ventilation heat dissipation mechanism, and the outer wall of the cover plate (5) is fixedly connected to a breathable plate (6).

2. A low voltage withdrawable switch cabinet according to claim 1, characterized in that: The circulating heat dissipation mechanism comprises a first liquid guide pipe (20) and a second liquid guide pipe (25); the heat exchange plate (16) is arranged to be hollow; one end of the inner wall of the bottom box (2) is fixedly connected to a liquid pump (19); the top of the liquid pump (19) is fixedly connected to the first liquid guide pipe (20); the top of the first liquid guide pipe (20) is fixedly connected to the heat exchange plate (16); the second liquid guide pipe (25) is fixedly connected to the other end of the bottom outer wall of the heat exchange plate (16); and the second liquid guide pipe (25) is located inside the bottom box (2).

3. A low voltage withdrawable switch cabinet according to claim 1, characterized in that: The ventilation and heat dissipation mechanism comprises an air pump (21) and a rotating shaft (17); a top box (24) is fixedly connected to the top of the cabinet (1); the top of the rotating shaft (17) is located inside the top box (24); the rotating shaft (17) is arranged to be hollow; the air pump (21) and the top box (24) are fixedly connected; the air pump (21) is fixedly connected to an air inlet pipe (22); the air inlet pipe (22) is located inside the top box (24); a plurality of first air outlet pipes (15) are fixedly connected to the outer wall of the rotating shaft (17); and the first air outlet pipes (15) are located inside one side of the heat exchange plate (16).

4. A low voltage withdrawable switch cabinet according to claim 3, characterized in that: A drying plate (23) is fixedly connected inside the top box (24), and the drying plate (23) is located between the air inlet pipe (22) and the rotating shaft (17).

5. A low voltage withdrawable switch cabinet according to claim 4, characterized in that: The bottom of the rotating shaft (17) is fixedly connected to a motor (4), the motor (4) and the bottom box (2) are fixedly connected, and the outer wall of the rotating shaft (17) is fixedly connected to a plurality of second air outlet pipes (18), and the second air outlet pipes (18) are located inside the bottom box (2).

6. A low voltage withdrawable switch cabinet according to claim 1, characterized in that: Both ends of the inner wall of the cabinet body (1) are provided with a slide groove (12), the inner wall of the slide groove (12) is slidably connected with a plurality of sliders (13), the outer wall of the slider (13) is threadedly connected with a bolt (11), one end of the slider (13) is fixedly connected with a drawer slide rail (10), and a buffer mechanism is provided between the drawer slide rail (10) and the drawer cabinet (7).

7. A low voltage withdrawable switch cabinet according to claim 6, characterized in that: The buffer mechanism comprises a spring (8) and a damper (9), and the top and bottom of the spring (8) and the damper (9) are respectively fixedly connected to the drawer cabinet (7) and the drawer slide rail (10).

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