High-protection-grade power distribution cabinet

Abstract

The utility model discloses a high protection grade power distribution cabinet, comprising a cabinet body, a bus chamber, a function unit chamber and a cable chamber are arranged in the cabinet body from top to bottom in sequence, a door body is hinged to the front side of the cabinet body, a sealing structure is arranged between the door body and the cabinet body, two sides of the top of the cabinet body are respectively provided with an inclined plane, and the rear side of the cabinet body is provided with a ventilation opening. And a dustproof filter screen is arranged in the ventilation opening. By optimizing the sealing, waterproof and dustproof structural design, the power distribution cabinet achieves the I P54 protection grade, can stably operate in severe environments such as humid and dusty environments, effectively widens the application scenarios of the power distribution cabinet, meets the power distribution and control requirements in different environments, guarantees the operation safety of the power distribution cabinet, reduces the safety risk, can reduce the damage probability of elements, and improves the reliability of the power distribution cabinet. Maintenance frequency and cost are reduced, and equipment use efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power distribution cabinet especially relates to a high protection level power distribution cabinet. BACKGROUND

[0002] The conventional power distribution cabinet has low protection level and cannot effectively block dust and water splash. In dusty or water-splashing environments such as factory workshops, construction sites, etc., dust and water are easy to enter the interior, causing electrical components to short circuit and corrode, affecting the normal operation and service life of the equipment. The conventional power distribution cabinet is difficult to adapt to complex environments, limiting its application range. When the power distribution cabinet has poor protection, dust and water intrusion may cause electrical faults, leading to short circuit and electric leakage, threatening personnel and equipment safety. The conventional power distribution cabinet is prone to internal component damage due to inadequate protection, requiring frequent maintenance and increasing labor, material, and time costs. SUMMARY

[0003] The utility model aims to provide a high protection level power distribution cabinet to solve the above problems.

[0004] According to one aspect of the utility model, a high protection level power distribution cabinet is provided, comprising: a cabinet body, a busbar chamber, a functional unit chamber, and a cable chamber are sequentially arranged inside the cabinet body from top to bottom, a door body is hingedly connected to the front side of the cabinet body, a sealing structure is arranged between the door body and the cabinet body, inclined surfaces are arranged on both sides of the top of the cabinet body, a ventilation opening is arranged on the back side of the cabinet body, and a dust filter screen is arranged in the ventilation opening.

[0005] In some embodiments, the busbar chamber includes a main busbar, branch busbars, and an insulating support frame, the insulating support frame is fixedly arranged in the busbar chamber, the insulating support frame is pre-provided with busbars, and the main busbar and the branch busbars are electrically connected through the busbars.

[0006] In some embodiments, the functional unit chamber includes circuit breakers, surge protectors, current transformers, fuses, and relays, and partitions are respectively arranged between the circuit breakers, surge protectors, current transformers, fuses, and relays.

[0007] In some embodiments, the cable chamber includes a cable support, the cable support is provided with a galvanized surface, and a fireproof partition is arranged between the cable chamber and the functional unit chamber.

[0008] In some embodiments, the sealing structure is a three-element ethylene-propylene rubber sealing strip, and the three-element ethylene-propylene rubber sealing strip is arranged on the inner edge of the door body.

[0009] In some embodiments, the cabinet body is made of cold-rolled carbon steel plates welded together.

[0010] In some embodiments, the inclined surface on one side is provided with a plurality of inlet and outlet holes, and a waterproof gland is provided in the inlet and outlet holes.

[0011] In some embodiments, the ventilation opening includes louvers disposed on the upper and lower rear sides of the cabinet, and the dust filter is disposed inside the louvers.

[0012] In some embodiments, an observation opening is provided in the middle of the door, and tempered glass is installed inside the observation opening; a top and bottom locking rod is provided between the door and the cabinet.

[0013] Compared with the prior art, the beneficial effects of this application are as follows:

[0014] This application achieves an IP54 protection rating through optimized sealing, waterproofing, and dustproof structural design, enabling stable operation in harsh environments such as humid and dusty conditions. This effectively broadens the application scenarios of the distribution cabinet, meets the power distribution and control needs in different environments, ensures the safety of the distribution cabinet operation, reduces safety risks, lowers the probability of component damage, reduces maintenance frequency and costs, and improves equipment utilization efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure behind the hidden door;

[0017] Figure 3 This is a schematic diagram of the rear view structure of this utility model. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] refer to Figures 1 to 3 This application provides a high-protection-level distribution cabinet, including: a cabinet body 1, the interior of the cabinet body 1 having a busbar compartment 2, a functional unit compartment 3 and a cable compartment 4 arranged sequentially from top to bottom, a door 5 hinged to the front side of the cabinet body 1, a sealing structure between the door 5 and the cabinet body 1, inclined surfaces 6 on both sides of the top of the cabinet body 1, and a ventilation opening 7 on the rear side of the cabinet body 1, with a dust filter installed inside the ventilation opening 7.

[0020] Neither water sprayed from the side nor water droplets dripping from above could penetrate the interior of cabinet 1. During the waterproof test, simulating water splashes from various angles, the inside of the distribution cabinet remained dry, and the electrical components were not affected by any water stains, thus eliminating short circuit failures caused by water.

[0021] When water droplets or rainwater come into contact with the top of cabinet 1, they will be guided down the slope 6 to the outside of cabinet 1.

[0022] In some embodiments, the busbar compartment 2 includes a main busbar, branch busbars, and an insulating support frame. The insulating support frame is fixed inside the busbar compartment 2 and has busbars pre-installed on it. The main busbar and the branch busbars are electrically connected through the busbars. The main busbar is made of copper and has good conductivity and current carrying capacity. The main busbar and each branch busbar are connected through the busbars, which are fastened with bolts to ensure the reliability of the connection.

[0023] In some implementations, the functional unit compartment 3 includes circuit breakers, surge protectors, current transformers, fuses, and relays. Each circuit breaker, surge protector, current transformer, fuse, and relay is separated by a partition. The functional unit compartment 3 adopts a modular design and can be flexibly configured and replaced according to actual needs. Each functional unit is isolated from the others by partitions to prevent mutual influence of electrical faults.

[0024] In some embodiments, the cable compartment 4 includes a cable support with a galvanized surface; a fireproof partition is provided between the cable compartment 4 and the functional unit compartment 3 for the laying and fixing of cables, the cables are supported by the cable support, the cable support is galvanized and has good rust prevention performance, and the cable compartment 4 and the functional unit compartment 3 are isolated by the fireproof partition to prevent the spread of fire.

[0025] In some embodiments, the sealing structure is an EPDM rubber sealing strip, which is set on the inner edge of the door 5. It has good elasticity and aging resistance, and can tightly fit the contact area between the cabinet door and the cabinet 1, effectively blocking the intrusion of dust and water.

[0026] In some embodiments, cabinet 1 is welded from cold-rolled carbon steel plates. Cabinet 1 is made of high-quality cold-rolled carbon steel plates, and is assembled by welding after advanced cutting, bending, and drilling processes to ensure the structural robustness and stability of cabinet 1. Cabinet 1 has an overall rectangular shape with a single left-opening door on the front, facilitating operation and maintenance of the internal equipment. All joints in cabinet 1 are sealed, such as by filling with sealant or adding gaskets, to further improve the airtightness of cabinet 1.

[0027] In some embodiments, a plurality of inlet and outlet holes 8 are provided on one side of the inclined surface 6. A waterproof gland is provided in the inlet and outlet hole 8. The waterproof gland has good sealing performance and can prevent water and dust from entering the cabinet 1 through the inlet and outlet hole 8. A total of twenty-four inlet and outlet holes 8 are provided on one side of the inclined surface 6.

[0028] In some embodiments, the ventilation opening 7 includes louvers located on the upper and lower rear sides of the cabinet 1, with a dust filter disposed inside the louvers.

[0029] A dust filter and louvers are installed at the ventilation opening 7 of the cabinet 1. A waterproof baffle is installed on the outside of the louvers. The dust filter can effectively filter dust in the air, and the waterproof baffle can prevent water from splashing into the ventilation opening 7, ensuring ventilation while meeting the IP54 protection level requirements.

[0030] In some embodiments, an observation port 9 is provided in the middle of the door body 5, and tempered glass is provided inside the observation port 9 to observe the operating status of the instruments, indicators and circuit breakers of the distribution cabinet. A top and bottom rod door lock 10 is provided between the door body 5 and the cabinet body 1.

[0031] This application achieves an IP54 protection rating through optimized sealing, waterproofing, and dustproof structural design, enabling stable operation in harsh environments such as humid and dusty conditions. This effectively broadens the application scenarios of the distribution cabinet, meets the power distribution and control needs in different environments, ensures the safety of the distribution cabinet operation, reduces safety risks, lowers the probability of component damage, reduces maintenance frequency and costs, and improves equipment utilization efficiency.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high protection grade switchgear cabinet, characterized in that, The utility model relates to a cabinet, the inside of cabinet is sequentially provided with busbar room, functional unit room and cable room from top to bottom, the front side of cabinet is hinged with door body, and the sealed structure is arranged between door body and cabinet, the top of cabinet is provided with inclined plane on both sides respectively, the rear side of cabinet is provided with ventilation opening, and dustproof filter screen is arranged in ventilation opening. The busbar room includes a main busbar, branch busbars, and an insulation support frame, the insulation support frame is fixed in the busbar room, the insulation support frame is pre-provided with a busbar, and the main busbar and branch busbars are electrically connected through the busbar.

2. The high safety class switchgear cabinet according to claim 1, characterized in that The functional unit room includes a circuit breaker, a surge protector, a current transformer, a fuse, and a relay, and a partition plate is arranged between the circuit breaker, surge protector, current transformer, fuse, and relay.

3. The high safety class switchgear cabinet according to claim 1, characterized in that The cable room includes a cable support, which is provided with a galvanized surface; a fireproof partition plate is arranged between the cable room and the functional unit room.

4. The high hazard rated switchgear cabinet of claim 1, wherein, The sealed structure is a three-EP rubber sealing strip, which is arranged on the inner edge of the door body.

5. The high hazard rated switchgear cabinet of claim 1, wherein, The cabinet is made of cold-rolled carbon steel plates by welding.

6. The high hazard rated switchgear cabinet of claim 1, wherein, The inclined plane on one side is provided with a plurality of inlet and outlet line holes, and a waterproof gland is arranged in the inlet and outlet line holes.

7. The high hazard rated switchgear cabinet of claim 1, wherein, The ventilation opening includes louvers arranged on the upper and lower rear sides of the cabinet, and the dustproof filter screen is arranged in the louvers.

8. The high hazard rated switchgear cabinet of claim 1, wherein, The middle part of the door body is provided with an observation hole, and tempered glass is arranged in the observation hole; a top-and-bottom rod door lock is arranged between the door body and the cabinet.

9. The high hazard rated switchgear cabinet of claim 1, wherein, ​

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