Power distribution cabinet convenient for installation of circuit breaker

Abstract

The utility model relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet convenient for installing a circuit breaker, which comprises a cabinet body, a heat dissipation mechanism is arranged at the upper part of the cabinet body, a plurality of connecting mechanisms are arranged on the inner wall of the rear side of the cabinet body, and a cabinet door is arranged at the front part of the cabinet body; the rear sides of the mortises are installed on the left side and the right side of the inner wall of the rear side of the cabinet body, the front portions of the tenons are fixedly connected to the rear portions of the left side and the right side of the guide rail, the cavities are formed in the middles of the tenons, and the peripheries of the partition plates are fixedly connected to the middles of the cavities. According to the power distribution cabinet convenient to install the circuit breaker, the circuit breaker is installed on the guide rails and wiring is completed, then the tenons are inserted into the mortises, and the clamping blocks are inserted into the clamping grooves, so that the circuit breaker is installed in the cabinet body, installation is convenient, external ventilation enters the dehumidification box through the fan, and the circuit breaker is conveniently installed. Air is dehumidified by the activated carbon, the dehumidified and dried air enters the cabinet body to dissipate heat of internal electric appliances, and internal hot air is discharged from the exhaust port.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet which is convenient for installing a circuit breaker. Background Art

[0002] A power distribution cabinet is a device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet according to electrical wiring requirements. Its layout should meet the requirements for normal operation of the power system, and should not only be easy to inspect and repair, but also should not endanger the safety of people and surrounding equipment. However, the internal space of some power distribution cabinets is relatively narrow, which makes it inconvenient for electricians to install circuit breakers. Utility Model Content

[0003] The main purpose of the utility model is to provide a power distribution cabinet which is convenient for installing a circuit breaker, and can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the utility model is: a power distribution cabinet for facilitating installation of a circuit breaker, comprising a cabinet, a heat dissipation mechanism is arranged on the upper part of the cabinet, a plurality of connection mechanisms are arranged on the inner wall of the rear side of the cabinet, and a cabinet door is arranged on the front part of the cabinet;

[0005] The connecting mechanism includes a guide rail, a tenon, a block, a mortise, a slot, a cavity, a spring sheet and a partition. The slot is provided on the upper and lower sides of the mortise. The rear side of the mortise is installed on the left and right sides of the rear inner wall of the cabinet. The front part of the tenon is fixedly connected to the rear of the left and right sides of the guide rail. The cavity is provided in the middle part of the tenon. The outer periphery of the partition is fixedly connected to the middle of the cavity. The outer periphery of the block is slidably connected to the upper and lower sides of the block. The spring sheet is arranged between the block and the partition.

[0006] Preferably, the outer periphery of the tenon is arranged inside the tenon groove, and the outer periphery of the clamping block is arranged inside the clamping groove.

[0007] Preferably, universal wheels are provided at the four corners of the lower portion of the cabinet.

[0008] Preferably, the heat dissipation mechanism includes a dehumidification box, an air inlet, a fan and an exhaust port, the lower part of the dehumidification box is installed on the upper part of the cabinet, the air inlet is opened around the dehumidification box, the fan is arranged in the middle of the dehumidification box, and the exhaust port is arranged on the left and right sides of the lower part of the cabinet.

[0009] Preferably, activated carbon is arranged inside the dehumidification box.

[0010] Preferably, filter screens are provided inside the air inlet and the air outlet.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. Install the circuit breaker on the guide rail and complete the wiring. Then insert the tenon into the tenon groove and insert the card block into the card groove to install the circuit breaker inside the cabinet for easy installation. Through the fan, the outside air is ventilated into the dehumidifier box to make the activated carbon dehumidify the air. The dehumidified and dried air enters the cabinet to dissipate the heat of the internal electrical appliances, and the internal hot air is discharged from the exhaust port. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural schematic diagram of a power distribution cabinet that is convenient for installing a circuit breaker according to the utility model;

[0014] Figure 2 This is a schematic diagram of the heat dissipation structure of a power distribution cabinet that is convenient for installing a circuit breaker according to the utility model;

[0015] Figure 3 This is a schematic diagram of the connection mechanism structure of a power distribution cabinet that is convenient for installing a circuit breaker in the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the internal structure of a cavity of a power distribution cabinet which is convenient for installing a circuit breaker.

[0017] In the figure: 1. cabinet body; 2. cabinet door; 3. connecting mechanism; 301. guide rail; 302. tenon; 303. block; 304. tenon groove; 305. slot; 306. cavity; 307. spring sheet; 308. partition; 4. heat dissipation mechanism; 401. dehumidification box; 402. air inlet; 403. fan; 404. exhaust port; 5. universal wheel. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-4 As shown, a power distribution cabinet for facilitating installation of a circuit breaker comprises a cabinet body 1, a heat dissipation mechanism 4 is arranged on the upper part of the cabinet body 1, a plurality of connection mechanisms 3 are arranged on the inner wall at the rear side of the cabinet body 1, and a cabinet door 2 is arranged at the front part of the cabinet body 1.

[0020] In this embodiment, the connecting mechanism 3 includes a guide rail 301, a tenon 302, a block 303, a tenon groove 304, a slot 305, a cavity 306, a spring sheet 307 and a partition 308. The slot 305 is arranged on the upper and lower sides of the tenon groove 304, and the rear side of the tenon groove 304 is installed on the left and right sides of the rear inner wall of the cabinet 1. The front part of the tenon 302 is fixedly connected to the rear of the left and right sides of the guide rail 301, the cavity 306 is arranged in the middle of the tenon 302, the outer periphery of the partition 308 is fixedly connected to the middle of the cavity 306, the outer periphery of the block 303 is slidably connected to the upper and lower sides of the block 303, the spring sheet 307 is arranged between the block 303 and the partition 308, the outer periphery of the tenon 302 is arranged inside the tenon groove 304, the outer periphery of the block 303 is arranged inside the slot 305, and universal wheels 5 are arranged at the four corners of the lower part of the cabinet 1.

[0021] Specifically, the circuit breaker is installed on the guide rail 301 and the wiring is completed. Then, the tenon 302 is inserted into the tenon groove 304, so that the block 303 is inserted into the slot 305, so that the circuit breaker is installed inside the cabinet 1, which is convenient for installation. When disassembling, the block 303 is pressed inwardly so that the block 303 is retracted into the cavity 306, so that the block 303 is detached from the slot 305, and the circuit breaker is disassembled.

[0022] In this embodiment, the heat dissipation mechanism 4 includes a dehumidification box 401, an air inlet 402, a fan 403 and an exhaust port 404. The lower part of the dehumidification box 401 is installed on the upper part of the cabinet 1, the air inlet 402 is opened around the dehumidification box 401, the fan 403 is arranged in the middle of the dehumidification box 401, and the exhaust port 404 is arranged on the left and right sides of the lower part of the cabinet 1. Activated carbon is arranged inside the dehumidification box 401, and filters are arranged on the inner sides of the air inlet 402 and the exhaust port 404.

[0023] Specifically, the fan 403 allows external air to enter the dehumidification box 401, so that the activated carbon dehumidifies the air. The dehumidified and dried air enters the cabinet 1 to dissipate heat for the internal electrical appliances, and the internal hot air is discharged from the exhaust port 404.

[0024] Working principle:

[0025] The circuit breaker is installed on the guide rail 301 and the wiring is completed. Then, the tenon 302 is inserted into the tenon groove 304 so that the block 303 is inserted into the slot 305, thereby installing the circuit breaker inside the cabinet 1 for easy installation. When disassembling, the block 303 is pressed inwardly so that the block 303 is retracted into the cavity 306, so that the block 303 is separated from the slot 305, and the circuit breaker is disassembled. Through the fan 403, the outside air is ventilated into the dehumidification box 401, so that the activated carbon dehumidifies the air. The dehumidified and dried air enters the cabinet 1 to dissipate the heat of the internal electrical appliances, and the internal hot air is discharged from the exhaust port 404.

[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A power distribution cabinet for facilitating installation of a circuit breaker, comprising a cabinet body (1), characterized in that: The upper part of the cabinet (1) is provided with a heat dissipation mechanism (4), the rear inner wall of the cabinet (1) is provided with a plurality of connection mechanisms (3), and the front part of the cabinet (1) is provided with a cabinet door (2); The connection mechanism (3) comprises a guide rail (301), a tenon (302), a clamping block (303), a tenon groove (304), a clamping groove (305), a cavity (306), a spring sheet (307) and a partition (308); the clamping groove (305) is provided at the upper and lower sides of the tenon groove (304); the rear side of the tenon groove (304) is mounted on the left and right sides of the rear inner wall of the cabinet (1); the front part of the tenon (302) is fixedly connected to the rear parts of the left and right sides of the guide rail (301); the cavity (306) is provided in the middle part of the tenon (302); the outer periphery of the partition (308) is fixedly connected to the middle part of the cavity (306); the outer periphery of the clamping block (303) is slidably connected to the upper and lower sides of the clamping block (303); and the spring sheet (307) is arranged between the clamping block (303) and the partition (308).

2. A power distribution cabinet for facilitating installation of a circuit breaker according to claim 1, characterized in that: The outer periphery of the tenon (302) is arranged inside the tenon groove (304), and the outer periphery of the clamping block (303) is arranged inside the clamping groove (305).

3. A power distribution cabinet for facilitating installation of a circuit breaker according to claim 1, characterized in that: Universal wheels (5) are arranged at the four corners of the lower part of the cabinet (1).

4. A power distribution cabinet for facilitating installation of a circuit breaker according to claim 1, characterized in that: The heat dissipation mechanism (4) comprises a dehumidification box (401), an air inlet (402), a fan (403) and an exhaust port (404); the lower portion of the dehumidification box (401) is mounted on the upper portion of the cabinet (1); the air inlet (402) is provided around the dehumidification box (401); the fan (403) is provided in the middle of the dehumidification box (401); and the exhaust port (404) is provided on the left and right sides of the lower portion of the cabinet (1).

5. A power distribution cabinet for facilitating installation of a circuit breaker according to claim 4, characterized in that: Activated carbon is arranged inside the dehumidification box (401).

6. A power distribution cabinet for facilitating installation of a circuit breaker according to claim 4, characterized in that: Filter screens are provided inside the air inlet (402) and the air outlet (404).

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