CN219811799U

CN219811799U - Power distribution cabinet

Info

Publication number: CN219811799U
Application number: CN202321080513.9U
Authority: CN
Inventors: 石玉龙; 吴佳威
Original assignee: Zhejiang Nankai Electric Co ltd
Current assignee: Zhejiang Nankai Electric Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-10-10
Anticipated expiration: 2033-05-08

Abstract

A power distribution cabinet belongs to the technical field of power distribution cabinets. The utility model comprises a cabinet body and a cabinet door, wherein the lower part of the cabinet door is provided with an air inlet, the top of the cabinet body is provided with an air outlet, and the air inlet is provided with a filter screen cover; the lower end of the filter screen cover is provided with a supporting buckle, the upper end of the filter screen cover is provided with an elastic buckle, the supporting buckle is limited and supported on the lower edge of the air inlet, a buckling position is arranged above the air inlet, and the elastic buckle is limited and connected to the buckling position. The utility model is convenient for disassembling and assembling the filter screen cover, and ensures the maintenance and cleaning efficiency of the filter screen cover.

Description

Power distribution cabinet

Technical Field

The utility model relates to the technical field of high-voltage power compensation cabinets, in particular to a power distribution cabinet.

Background

A power distribution cabinet, i.e. a cabinet body integrating electrical components for distribution of electrical energy. The switch board mainly has the effect of two aspects: firstly, the electric equipment is distributed and controlled, and secondly, when overload, short circuit and electric leakage occur in a circuit, power-off protection is provided. The power distribution cabinet is widely applied to the power distribution control of domestic electricity such as office buildings and other comprehensive buildings, residential buildings, schools, hospitals and the like due to good functions, and can also be used for distributing and supplying power for power supply and distribution systems in all buildings such as sports buildings, industrial buildings and the like.

And the power distribution cabinet can generate heat in the working process, and the excessive temperature can influence the normal work of internal electric elements, and even cause the damage and the safety accident of the electric elements. Therefore, the prior power distribution cabinet, such as the Chinese patent utility model with the patent number ZL202223088759.9, discloses a power distribution cabinet device which is convenient for heat dissipation and used for power engineering, and the power distribution cabinet device comprises a protective heat-conducting plate, wherein connecting frames are fixedly arranged at two ends of the protective heat-conducting plate, filter screens are fixedly arranged at two ends of the connecting frames through screws, and special-shaped heat dissipation holes are formed in the protective heat-conducting plate. This switch board seals the thermovent of switch board through setting up the protection heat-conducting plate to set up abnormal shape louvre in the inside of protection heat-conducting plate and distribute the inside steam of switch board, make abnormal shape louvre and the thermovent intercommunication of switch board form the decurrent abnormal shape structure of opening, can't invade the switch board under the effect of gravity and gaseous flow in debris, conduct the thermovent spun heat of switch board through the heat-conducting effect of heat-conducting plate simultaneously, carry out heat transfer heat dissipation when ventilating and radiating, improve radiating efficiency when reinforcing switch board heat dissipation protectiveness.

However, the filter screen on the power distribution cabinet is generally installed through screws, so that the disassembly and assembly efficiency is relatively low, and the screws are easy to lose in the disassembly and assembly maintenance process. The filter screen needs to be disassembled and cleaned regularly to ensure the ventilation and heat dissipation efficiency, so that the conventional power distribution cabinet is inconvenient in the disassembly and cleaning process of the filter screen.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a power distribution cabinet which is convenient for disassembling and assembling a filter screen cover and ensures the maintenance and cleaning efficiency of the filter screen cover.

The utility model aims at realizing the following technical scheme:

the power distribution cabinet comprises a cabinet body and a cabinet door, wherein an air inlet is formed in the lower portion of the cabinet door, an air outlet is formed in the top of the cabinet body, and a filter screen is arranged at the air inlet; the filter screen cover lower extreme is equipped with the support and detains, and the upper end is equipped with the elasticity and detains, support detain spacing support in the air intake lower limb, the air intake top is equipped with detains the position, elasticity detain spacing connect in detain the position.

Preferably, the supporting buckle comprises a supporting part vertical to the filtering net cover and a limiting part vertical to the supporting part downwards, and the limiting part and the filtering net cover are respectively abutted against the inner side surface and the outer side surface of the cabinet door.

Preferably, the lower end of the limiting part is lower than the lower end of the filter screen.

As the preferable mode of the utility model, a positioning block is arranged at one side of the lower end of the limiting part, which is close to the filter screen cover, and a positioning hole is arranged on the cabinet door.

Preferably, at least two supporting buckles are arranged at the lower end of the filter screen cover.

As the preferable mode of the utility model, the elastic buckle comprises an elastic frame and a limiting hook, wherein the two ends of the elastic frame are respectively connected with the filter screen cover and the limiting hook, and the limiting hook extends into the buckling position and is in contact with the inner side surface of the cabinet door.

Preferably, the elastic frame has a structure bent outward of the cabinet door.

Preferably, the upper end of the filter screen cover is provided with two elastic buckles.

Preferably, the edge of the filter screen cover is provided with a sealing strip.

Preferably, the frame of the filter screen cover is made of plastic.

The utility model has the advantages that:

1. the filter screen cover is quickly disassembled and assembled through the supporting buckle and the elastic buckle, and meanwhile, the installation stability is reliable, so that the subsequent disassembly and cleaning efficiency is greatly improved;

2. the supporting buckle not only plays an effective supporting role, but also plays a stable positioning role through the limiting part and the positioning block;

3. the sealing strip is arranged, so that gaps are avoided between the filtering net cover and the cabinet door under the dismounting structure.

Drawings

Fig. 1 is a front view of a power distribution cabinet provided in the present embodiment;

fig. 2 is a schematic diagram of an internal structure of a power distribution cabinet according to the present embodiment:

fig. 3 is a schematic diagram of a filtering net cover of a power distribution cabinet according to the present embodiment.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1 and 2, the embodiment provides a power distribution cabinet, which comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet body is divided into a left cavity, a middle cavity and a right cavity, frequency converters 3 are arranged in the left cavity and the right cavity, and a low-voltage component 4, a frame breaker 5 and an excitation unit 6 are arranged in the middle cavity from bottom to top; correspondingly, the cabinet door 2 is also provided with three fans which are respectively matched with the three cavities. Therefore, in order to ensure that the three cavities can be effectively ventilated and radiated, the air inlet and the filter screen cover 7 are arranged at the lower part of each cabinet door 2 so as to prevent external dust and impurities from entering, and the air outlet is arranged at the top of each cavity so as to cooperate with the principles of the air inlet and the hot air rising, thereby realizing effective radiation.

Specifically, as shown in fig. 3, in order to ensure the air intake at the filter screen, the filter screen needs to be cleaned regularly, so the efficiency of cleaning and maintaining the filter screen will be directly affected by the efficiency of assembling and disassembling the filter screen. Therefore, a quick dismounting structure is designed for the filter screen cover, two supporting buckles 8 are arranged at the lower end of the filter screen cover 7, two elastic buckles 9 are arranged at the upper end of the filter screen cover, buckling positions matched with the elastic buckles 9 are arranged above an air inlet of a cabinet door, when the quick dismounting structure is mounted, the two supporting buckles 8 at the lower end are clamped at the lower edge of the air inlet, and then the two elastic buckles 9 at the upper end are respectively inserted into the two buckling positions, so that quick and stable mounting is realized; when the filter screen cover is detached, the filter screen cover can be detached from the cabinet door only by releasing the limiting relation between the elastic buckle 9 and the buckling position.

The supporting buckle 8 comprises a supporting portion 81 perpendicular to the filtering net cover and a limiting portion 82 perpendicular to the supporting portion 81 downwards, the supporting portion 81 is supported on the lower edge of the air inlet, the limiting portion 82 and the filtering net cover 7 respectively abut against the inner side surface and the outer side surface of the cabinet door 2, and therefore stable supporting of the lower end of the filtering net cover is achieved. And, the lower end of the limit part 82 is lower than the lower end of the filter screen 7 to ensure the stability of limit. Meanwhile, a positioning block 83 is arranged at one side, close to the filter screen 7, of the lower end of the limiting part 82, a positioning hole 21 is formed in the cabinet door 2, so that the left and right positions of the filter screen 7 are positioned through the cooperation of the positioning block 83 and the positioning hole 21, the filter screen is ensured to effectively cover an air inlet, and meanwhile, the elastic buckle 9 at the upper end is ensured to be accurately matched with the buckling position.

The elastic buckle 9 comprises an elastic frame 91 and a limiting hook 92, wherein the two ends of the elastic frame 91 are respectively connected with the filter screen cover 7 and the limiting hook 92, the limiting hook 92 stretches into the buckling position and is abutted against the inner side surface of the cabinet door 2, namely, the filter screen cover is respectively abutted against the inner side surface and the outer side surface of the cabinet door through the limiting hook 92 and the filter screen cover 7, so that the upper end of the filter screen cover is connected with the installation of the cabinet door. In order to facilitate the operation of the elastic buckle 9, the elastic frame 91 has a structure that is bent outwards of the cabinet door, that is, the bent structure is compressed by pressing the elastic frame 91, so that the limit hook 92 is separated from the interference with the buckling position, and the quick disassembly is completed.

Due to the adoption of the mounting structure, the upper end and the lower end of the filter screen cover 7 are only directly connected with the cabinet door, gaps are easily formed between the other parts of the filter screen cover and the cabinet door, and the dustproof effect is affected, so that the sealing strip 71 is arranged at the edge of the filter screen cover 7, the sealing strip 71 is tightly attached to the cabinet door, the dustproof effect is ensured, and the sealing strip 71 can generally adopt sponge or rubber with better elasticity.

Finally, the supporting buckle 8 and the elastic buckle 9 are generally plastic members, so that the frame of the filtering net cover 7 is made of plastic materials, which is convenient for integrated molding, and simultaneously reduces the weight of the whole filtering net cover so as to lighten the strength pressure of the supporting buckle 8.

The foregoing is merely a preferred embodiment of the present utility model, which is based on one implementation of the overall concept of the present utility model, and the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be covered by the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The power distribution cabinet comprises a cabinet body and a cabinet door, and is characterized in that an air inlet is formed in the lower portion of the cabinet door, an air outlet is formed in the top of the cabinet body, and a filtering net cover is arranged at the air inlet; the filter screen cover lower extreme is equipped with the support and detains, and the upper end is equipped with the elasticity and detains, support detain spacing support in the air intake lower limb, the air intake top is equipped with detains the position, elasticity detain spacing connect in detain the position.

2. The power distribution cabinet according to claim 1, wherein the supporting buckle comprises a supporting portion perpendicular to the filtering net cover and a limiting portion perpendicular to the supporting portion downwards, and the limiting portion and the filtering net cover are respectively abutted against the inner side face and the outer side face of the cabinet door.

3. A power distribution cabinet according to claim 2, wherein the lower end of the limiting part is lower than the lower end of the filter screen.

4. A power distribution cabinet according to claim 2 or 3, wherein a positioning block is arranged at one side of the lower end of the limiting part, which is close to the filtering net cover, and a positioning hole is arranged on the cabinet door.

5. A power distribution cabinet according to claim 1, wherein at least two of said support buckles are disposed at the lower end of said filter screen.

6. The power distribution cabinet according to claim 1, wherein the elastic buckle comprises an elastic frame and a limiting hook, two ends of the elastic frame are respectively connected with the filtering net cover and the limiting hook, and the limiting hook extends into the buckling position and abuts against the inner side face of the cabinet door.

7. A power distribution cabinet according to claim 6, wherein the resilient frame has a structure that is curved outwardly of the cabinet door.

8. A power distribution cabinet according to claim 1, wherein two elastic buckles are arranged at the upper end of the filter screen cover.

9. A power distribution cabinet according to claim 1, characterized in that the edge of the filtering net cover is provided with a sealing strip.

10. The power distribution cabinet of claim 1, wherein the frame of the filter screen is made of plastic.