Protection device for power distribution cabinet

Abstract

The utility model belongs to the field of power distribution cabinets, particularly relates to a protection device for a power distribution cabinet, and provides the following scheme aiming at the problems that the conventional protection device does not have a heat dissipation function and can influence the normal operation of the power distribution cabinet when the external air temperature is relatively high: the protection device comprises a base, and four fixed columns are fixedly arranged at the bottom of the base; the power distribution cabinet comprises a base, the top of the base is fixedly provided with a power distribution cabinet body, the top of the power distribution cabinet body is fixedly provided with a first driving motor and a fixing frame, the fixing frame is rotatably provided with a rotating shaft, the rotating shaft is fixedly connected with an output shaft of the first driving motor, and one side of the power distribution cabinet body is fixedly provided with a fixing block. The bottom of the power distribution cabinet body and the base are fixedly provided with the same first heat dissipation box, the inner wall of the first heat dissipation box is fixedly provided with a first supporting rod, the heat dissipation function of the power distribution cabinet enables air in the power distribution cabinet to rapidly circulate, and the heat dissipation performance of the power distribution cabinet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a protective device for power distribution cabinets. Background Art

[0002] The distribution cabinet is divided into power distribution cabinet, lighting distribution cabinet and metering cabinet. It is the final equipment of the distribution system. The distribution cabinet is a general term for the motor control center. The distribution cabinet is used in occasions with relatively dispersed loads and fewer circuits. The motor control center is used in occasions with concentrated loads and more circuits. The protective device is a device that uses a shielding method to isolate the human body from production hazards.

[0003] Existing protective devices:

[0004] The patent document with announcement number CN109193377A discloses a protective device for a distribution cabinet "including a mounting base plate and a distribution cabinet, the distribution cabinet is fixedly mounted on the top of the mounting base plate, and fixed vertebrae are provided at the four corners of the outer wall of the mounting base plate. A protective plate is slidably connected to the outside of the distribution cabinet, and a buffer strip is provided inside the protective plate. A cabinet door is hinged on one side of the distribution cabinet, and a support rod is fixedly connected to the top of the protective plate. A protective cover is fixedly provided on the top of the support rod, and a lock is provided on one side of the outer wall of the cabinet door. Box bodies are provided on four sides of the outer wall of the distribution cabinet, and a rotating shaft is rotatably plugged in the interior of the box body. A protective film is provided on the outer wall of the rotating shaft. The structure is simple, the structural design is reasonable, the installation is convenient and stable, and the distribution cabinet is provided with multi-layer protection by means of protective plates, protective covers, baffles and protective films, which effectively avoids the possibility of damage to the distribution cabinet, makes the use of the distribution cabinet safer, and is conducive to wide promotion and popularization."

[0005] However, this protective device does not have the function of heat dissipation. When the outside temperature is high, it will affect the normal operation of the distribution cabinet. Utility Model Content

[0006] The utility model aims to solve the problem that the prior art lacks the function of heat dissipation and affects the normal operation of the power distribution cabinet when the outside temperature is high, and proposes a protective device for a power distribution cabinet.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A protective device for a power distribution cabinet comprises a base, wherein four fixing columns are fixedly installed on the bottom of the base, and a power distribution cabinet body is fixedly installed on the top of the base, a first drive motor and a fixing frame are fixedly installed on the top of the power distribution cabinet body, and a rotating shaft is rotatably installed on the fixing frame, the rotating shaft is fixedly connected to the output shaft of the first drive motor, and a fixing block is fixedly installed on one side of the power distribution cabinet body, the same first heat dissipation box is fixedly installed on the bottom and the base of the power distribution cabinet body, and a first support rod is fixedly installed on the inner wall of the first heat dissipation box, a second heat dissipation box is fixedly installed on the other side of the power distribution cabinet body, and a second drive motor is fixedly installed on the inner wall of the second heat dissipation box, a second support rod is fixedly installed on the inner wall of the second heat dissipation box, and a second rotating shaft is rotatably installed on the second support rod, two second fan blades are fixedly installed on the second rotating shaft, and the second rotating shaft is fixedly connected to the output shaft of the second drive motor, and a dustproof mechanism is rotatably installed on the inner wall of the second heat dissipation box.

[0009] Preferably, an annular groove is provided on the top of the base, and a plurality of arc-shaped protective plates are slidably installed in the annular groove, the plurality of arc-shaped protective plates are slidably connected to each other, and one of the arc-shaped protective plates is fixedly installed on the fixed block, a connecting rod is fixedly installed on one of the arc-shaped protective plates, and the connecting rod is fixedly installed on the rotating shaft.

[0010] Preferably, a first rotating shaft is rotatably mounted on the first support rod, and two first fan blades are fixedly mounted on the first rotating shaft, a first through hole is opened on one side of the first heat dissipation box, and a second through hole corresponding to the first through hole is opened on one side of the power distribution cabinet body.

[0011] Preferably, the same transmission shaft is rotatably mounted in the first through hole and the second through hole, and a first bevel gear is fixedly mounted on one end of the transmission shaft, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly mounted on the first rotating shaft.

[0012] Preferably, the dust-proof mechanism includes a filter plate, and the filter plate is fixedly mounted on the inner wall of the second heat dissipation box, a slide rod is fixedly mounted on the inner wall of the second heat dissipation box, and a reciprocating screw is rotatably mounted on the inner wall of the second heat dissipation box, a threaded block is threadedly connected to the reciprocating screw, and the threaded block is slidably mounted on the slide rod, a cleaning brush is fixedly mounted on the threaded block, and the cleaning brush is connected to the filter plate.

[0013] Preferably, a third bevel gear is fixedly mounted on the other end of the transmission shaft, and the third bevel gear is meshed with a fourth bevel gear, and the fourth bevel gear is fixedly mounted on the reciprocating screw.

[0014] Preferably, a first sprocket is fixedly mounted on the output shaft of the second driving motor, and the first sprocket is meshed with a chain, the chain is meshed with a second sprocket, and the second sprocket is fixedly mounted on the transmission shaft.

[0015] In the utility model, the protective device for a power distribution cabinet has the following beneficial effects:

[0016] Since the first rotating shaft and the second rotating shaft, two first fan blades and two second fan blades are provided, the second rotating shaft drives the two second fan blades to rotate and the first rotating shaft drives the two first fan blades to rotate, so that the air in the distribution cabinet body can circulate quickly, thereby improving the heat dissipation of the distribution cabinet body.

[0017] Due to the dust prevention mechanism being provided, the reciprocating screw rod drives the thread block to move back and forth, the thread block drives the cleaning brush to move back and forth, and the cleaning brush cleans the filter plate to avoid clogging of the filter plate.

[0018] The utility model has the function of heat dissipation, which can make the air in the power distribution cabinet circulate quickly and improve the heat dissipation performance of the power distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic cross-sectional view of a protective device for a power distribution cabinet proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a protective device for a power distribution cabinet proposed by the utility model when viewed from above;

[0021] Figure 3 A protective device for a power distribution cabinet proposed by the utility model Figure 1 The structural diagram of the enlarged part A in the middle;

[0022] Figure 4 A protective device for a power distribution cabinet proposed by the utility model Figure 1 Schematic diagram of the enlarged structure of part B.

[0023] In the figure: 1. base; 2. distribution cabinet body; 3. first drive motor; 4. rotating shaft; 5. fixed block; 6. arc-shaped protective plate; 7. connecting rod; 8. first heat sink; 9. first rotating shaft; 10. second bevel gear; 11. first bevel gear; 12. transmission shaft; 13. second heat sink; 14. second drive motor; 15. second support rod; 16. second rotating shaft; 17. filter plate; 18. sliding rod; 19. reciprocating screw; 20. threaded block; 21. first sprocket; 22. chain; 23. second sprocket; 24. third bevel gear; 25. fourth bevel gear. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1

[0026] Reference Figure 1-Figure 4 A protective device for a power distribution cabinet comprises a base 1, four fixing columns are fixedly installed at the bottom of the base 1, and a power distribution cabinet body 2 is fixedly installed on the top of the base 1, a first drive motor 3 and a fixing frame are fixedly installed on the top of the power distribution cabinet body 2, and a rotating shaft 4 is rotatably installed on the fixing frame, the rotating shaft 4 is fixedly connected to the output shaft of the first drive motor 3, and a fixing block 5 is fixedly installed on one side of the power distribution cabinet body 2, and the same first heat dissipation box 8 is fixedly installed on the bottom of the power distribution cabinet body 2 and the base 1, and the first heat dissipation box 8 A first support rod is fixedly installed on the inner wall, a second heat dissipation box 13 is fixedly installed on the other side of the distribution cabinet body 2, and a second drive motor 14 is fixedly installed on the inner wall of the second heat dissipation box 13, a second support rod 15 is fixedly installed on the inner wall of the second heat dissipation box 13, and a second rotating shaft 16 is rotatably installed on the second support rod 15, two second fan blades are fixedly installed on the second rotating shaft 16, and the second rotating shaft 16 is fixedly connected to the output shaft of the second drive motor 14, and a dustproof mechanism is rotatably installed on the inner wall of the second heat dissipation box 13.

[0027] In the present invention, a third bevel gear 24 is fixedly mounted on the other end of the transmission shaft 12 , and the third bevel gear 24 is meshed with a fourth bevel gear 25 , and the fourth bevel gear 25 is fixedly mounted on the reciprocating screw 19 .

[0028] In the utility model, the dust-proof mechanism includes a filter plate 17, and the filter plate 17 is fixedly mounted on the inner wall of the second heat dissipation box 13, a slide bar 18 is fixedly mounted on the inner wall of the second heat dissipation box 13, and a reciprocating screw rod 19 is rotatably mounted on the inner wall of the second heat dissipation box 13, a threaded block 20 is threadedly connected to the reciprocating screw rod 19, and the threaded block 20 is slidably mounted on the slide bar 18, a cleaning brush is fixedly mounted on the threaded block 20, and the cleaning brush is connected to the filter plate 17.

[0029] In the present invention, a first sprocket 21 is fixedly mounted on the output shaft of the second driving motor 14 , and the first sprocket 21 is meshed with a chain 22 , and the chain 22 is meshed with a second sprocket 23 , and the second sprocket 23 is fixedly mounted on the transmission shaft 12 .

[0030] In the utility model, the same transmission shaft 12 is rotatably installed in the first through hole and the second through hole, and a first bevel gear 11 is fixedly installed on one end of the transmission shaft 12. The first bevel gear 11 is meshed with a second bevel gear 10, and the second bevel gear 10 is fixedly installed on the first rotating shaft 9.

[0031] In the utility model, a first rotating shaft 9 is rotatably mounted on the first support rod, and two first fan blades are fixedly mounted on the first rotating shaft 9, a first through hole is opened on one side of the first heat dissipation box 8, and a second through hole corresponding to the first through hole is opened on one side of the distribution cabinet body 2.

[0032] In the utility model, an annular groove is provided on the top of the base 1, and a plurality of arc-shaped protective plates 6 are slidably installed in the annular groove, the plurality of arc-shaped protective plates 6 are slidably connected to each other, and one of the arc-shaped protective plates 6 is fixedly installed on the fixed block 5, a connecting rod 7 is fixedly installed on one of the arc-shaped protective plates 6, and the connecting rod 7 is fixedly installed on the rotating shaft 4.

[0033] In the utility model, when the first drive motor 3 is started, the first drive motor 3 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the connecting rod 7 to rotate, the connecting rod 7 drives one of the arc-shaped protective plates 6 to move, one of the arc-shaped protective plates 6 drives another arc-shaped protective plate 6 to move, and so on, one of the arc-shaped protective plates 6 drives multiple arc-shaped protective plates 6 to move, to protect the power distribution cabinet body 2, and at the same time start the second drive motor 14, the second drive motor 14 drives the second rotating shaft 16 to rotate, the second rotating shaft 16 drives the two second fan blades to rotate, and the external air is sucked into the power distribution cabinet body 2, and the dust in the air is filtered through the filter plate 17 to prevent dust from entering the power distribution cabinet body 2, and at the same time the second drive motor 14 drives the first sprocket 21 to rotate, and the first sprocket 21 drives the second sprocket 23 to rotate through the chain 22 The second sprocket 23 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the second bevel gear 10 to rotate, the second bevel gear 10 drives the first rotating shaft 9 to rotate, the first rotating shaft 9 drives the two first fan blades to rotate, and the air in the distribution cabinet body 2 is blown out, and the two second fan blades are driven to rotate by the second rotating shaft 16 and the two first fan blades are driven to rotate by the first rotating shaft 9, so that the air in the distribution cabinet body 2 can circulate quickly, and the heat dissipation of the distribution cabinet body 2 is improved. At the same time, the transmission shaft 12 drives the third bevel gear 24 to rotate, the third bevel gear 24 drives the fourth bevel gear 25 to rotate, and the fourth bevel gear 25 drives the reciprocating screw 19 to rotate, the reciprocating screw 19 drives the threaded block 20 to move back and forth, and the threaded block 20 drives the cleaning brush to move back and forth, and the cleaning brush cleans the filter plate 17 to prevent the filter plate 17 from being blocked.

[0034] Embodiment 2

[0035] The difference between this embodiment and the first embodiment is that a plurality of wire management grooves are provided on the inner wall of one side of the distribution cabinet body 2, and the staff manually organizes the wires in the distribution cabinet body 2 and installs the organized wires in the plurality of wire management grooves, so as to facilitate the later maintenance of the lines in the distribution cabinet body 2.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A protective device for a power distribution cabinet, comprising a base (1), characterized in that: Four fixing columns are fixedly mounted on the bottom of the base (1), and a power distribution cabinet body (2) is fixedly mounted on the top of the base (1), a first drive motor (3) and a fixing frame are fixedly mounted on the top of the power distribution cabinet body (2), and a rotating shaft (4) is rotatably mounted on the fixing frame, the rotating shaft (4) is fixedly connected to the output shaft of the first drive motor (3), and a fixing block (5) is fixedly mounted on one side of the power distribution cabinet body (2), the same first heat dissipation box (8) is fixedly mounted on the bottom of the power distribution cabinet body (2) and the base (1), and a first heat dissipation box (8) is fixedly mounted on the inner wall of the first heat dissipation box (8). A first support rod is provided, a second heat dissipation box (13) is fixedly installed on the other side of the power distribution cabinet body (2), and a second drive motor (14) is fixedly installed on the inner wall of the second heat dissipation box (13), a second support rod (15) is fixedly installed on the inner wall of the second heat dissipation box (13), and a second rotating shaft (16) is rotatably installed on the second support rod (15), two second fan blades are fixedly installed on the second rotating shaft (16), and the second rotating shaft (16) is fixedly connected to the output shaft of the second drive motor (14), and a dustproof mechanism is rotatably installed on the inner wall of the second heat dissipation box (13).

2. A protection device for a power distribution cabinet according to claim 1, characterized in that: An annular groove is provided on the top of the base (1), and a plurality of arc-shaped protective plates (6) are slidably mounted in the annular groove. The plurality of arc-shaped protective plates (6) are slidably connected to each other, and one of the arc-shaped protective plates (6) is fixedly mounted on the fixed block (5). A connecting rod (7) is fixedly mounted on one of the arc-shaped protective plates (6), and the connecting rod (7) is fixedly mounted on the rotating shaft (4).

3. A protection device for a power distribution cabinet according to claim 2, characterized in that: A first rotating shaft (9) is rotatably mounted on the first support rod, and two first fan blades are fixedly mounted on the first rotating shaft (9); a first through hole is provided on one side of the first heat dissipation box (8), and a second through hole corresponding to the first through hole is provided on one side of the power distribution cabinet body (2).

4. A protection device for a power distribution cabinet according to claim 3, characterized in that: The same transmission shaft (12) is rotatably mounted in the first through hole and the second through hole, and a first bevel gear (11) is fixedly mounted on one end of the transmission shaft (12), the first bevel gear (11) is meshed with a second bevel gear (10), and the second bevel gear (10) is fixedly mounted on the first rotating shaft (9).

5. A protection device for a power distribution cabinet according to claim 4, characterized in that: The dust prevention mechanism comprises a filter plate (17), and the filter plate (17) is fixedly mounted on the inner wall of the second heat dissipation box (13), a slide bar (18) is fixedly mounted on the inner wall of the second heat dissipation box (13), and a reciprocating screw rod (19) is rotatably mounted on the inner wall of the second heat dissipation box (13), a threaded block (20) is threadedly connected to the reciprocating screw rod (19), and the threaded block (20) is slidably mounted on the slide bar (18), a cleaning brush is fixedly mounted on the threaded block (20), and the cleaning brush is connected to the filter plate (17).

6. A protection device for a power distribution cabinet according to claim 5, characterized in that: A third bevel gear (24) is fixedly mounted on the other end of the transmission shaft (12), and the third bevel gear (24) is meshed with a fourth bevel gear (25), and the fourth bevel gear (25) is fixedly mounted on the reciprocating screw rod (19).

7. A protection device for a power distribution cabinet according to claim 6, characterized in that: A first sprocket (21) is fixedly mounted on the output shaft of the second drive motor (14), and the first sprocket (21) is meshed with a chain (22), and the chain (22) is meshed with a second sprocket (23), and the second sprocket (23) is fixedly mounted on the transmission shaft (12).

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