CN223599253U

CN223599253U - Compact low-voltage drawer cabinet

Info

Publication number: CN223599253U
Application number: CN202423105868.6U
Authority: CN
Inventors: 张献高
Original assignee: Jiangsu Huaguan Electrical Equipment Group Co ltd
Current assignee: Jiangsu Huaguan Electrical Equipment Group Co ltd
Priority date: 2024-12-17
Filing date: 2024-12-17
Publication date: 2025-11-25
Anticipated expiration: 2034-12-17

Abstract

The utility model discloses a compact low-voltage drawer cabinet which comprises a cabinet body, wherein drawer units which are arranged at equal intervals are connected to the inner wall of the cabinet body in a sliding manner, a circuit breaker is arranged on the inner wall of the drawer units, a current transformer is integrated on the circuit breaker, an incoming wire connector and an outgoing wire connector which are arranged at equal intervals are arranged on the back surface of the cabinet body, wiring ends of the incoming wire connector and the outgoing wire connector penetrate through and extend to the inside of the cabinet body, and the front surfaces of the incoming wire connector and the outgoing wire connector are respectively connected with the circuit breaker and the current transformer. According to the utility model, the connector and the three poles of the circuit breaker can be directly connected, the overlapping copper bars are avoided, the cost is reduced, the installation space of electric elements is increased, the drawer depth can be properly reduced, the miniaturization and compact functions of the low-voltage drawer cabinet are realized, the problem that the copper bars connected with circuit breakers of different brands cannot be generalized is solved, the equipment safety and the production and manufacturing efficiency are improved, and the cost is reduced.

Description

Compact low-voltage drawer cabinet

Technical Field

The utility model relates to the technical field of low-voltage drawer cabinets, in particular to a compact low-voltage drawer cabinet.

Background

The low-voltage drawer cabinet is a combination body which is formed by integrally assembling a plurality of low-voltage switch devices and related control, measurement, signal, protection, regulation and other devices together through electric and mechanical connection by using structural parts. The system is mainly applied to power supply fields such as power plants, main power grids, power transformation and distribution places, airports and rail transit, metallurgy, petroleum and petrochemical industry, coal mines, industry, civil buildings and the like, can also be applied to new energy fields such as nuclear energy, wind power, photovoltaic, energy storage and the like, and is important equipment for ensuring efficient energy transmission and distribution of new energy facilities, civil electrical safety operation and the like.

Main circuit inlet wire side connectors of low-voltage drawer cabinet drawer units in the market all adopt tripolar integral type at present, because the connector is the horizontal arrangement, and A, B, C tripoles of circuit breaker are vertical arrangement, in order to guarantee that polarity is connected correctly and insulation requirement, the connector need go around the overlap joint through many overlap joint copper bars with three interelectrode connections of circuit breaker, have installation space tension, overlap joint fault point many, contact resistance and heat are big, the consumption is high and the problem that the copper bar use amount is big.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model aims to provide a compact low-voltage drawer cabinet so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme;

The utility model provides a compact low-voltage drawer cabinet, includes the cabinet body, the inner wall sliding connection of the cabinet body has the drawer unit that the equidistance was arranged, the circuit breaker is installed to the inner wall of drawer unit, the integrated current transformer that has on the circuit breaker, the back side mounting of the cabinet body has the inlet wire connector and the outlet wire connector that the equidistance was arranged, the wiring end of inlet wire connector and outlet wire connector all runs through and extends to the inside of the cabinet body, the front of inlet wire connector and outlet wire connector is connected with circuit breaker and current transformer respectively.

As a further description of the above technical solution:

Two channels are arranged on the inner wall of the cabinet body, air inlets which are arranged at equal intervals are arranged on the inner wall of the channel on the left side, fans which are arranged at equal intervals are embedded and arranged on the inner wall of the channel on the right side, cavities are formed in the left side and the right side of the drawer unit, and heat dissipation holes which are uniformly distributed are formed in the inner wall of the cavity.

As a further description of the above technical solution:

The inner wall threaded connection of inlet port has the filter, the left side fixedly connected with square strip of filter.

Compared with the prior art, the utility model has the advantages that:

According to the scheme, the connector and the three poles of the circuit breaker can be directly connected, the installation space of an electric element is increased while the cost of the lap joint-free copper bar is reduced, the drawer depth can be properly reduced, the miniaturized compact function of the low-voltage drawer cabinet is realized, the problem that the copper bars cannot be universally connected by circuit breakers of different brands is solved, the equipment safety and the production and manufacturing efficiency are improved, and the cost is reduced.

Drawings

FIG. 1 is a perspective view of one embodiment of the present utility model;

FIG. 2 is a perspective view of the second embodiment of the present utility model;

FIG. 3 is a partial cutaway perspective view of one of the present utility models;

fig. 4 is a partial cutaway perspective view of the present utility model.

The reference numerals in the figures illustrate:

1. A cabinet body; 2, a drawer unit, 3, a circuit breaker, 4, a current transformer, 5, an incoming connector, 6, an outgoing connector, 7, a channel, 8, an air inlet, 9, a fan, 10, a cavity, 11, a heat dissipation hole, 12, a filter plate, 13 and square bars.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the compact low-voltage drawer cabinet comprises a cabinet body 1, drawer units 2 which are arranged at equal intervals are slidably connected to the inner wall of the cabinet body 1, a circuit breaker 3 is arranged on the inner wall of the drawer units 2, a current transformer 4 is integrated on the circuit breaker 3, an incoming wire connector 5 and an outgoing wire connector 6 which are arranged at equal intervals are arranged on the back surface of the cabinet body 1, wiring ends of the incoming wire connector 5 and the outgoing wire connector 6 penetrate through and extend to the inside of the cabinet body 1, and the front surfaces of the incoming wire connector 5 and the outgoing wire connector 6 are respectively connected with the circuit breaker 3 and the current transformer 4.

In the utility model, the incoming connector 5 and the outgoing connector 6 are monopolar connectors, so that the connectors and the three poles of the circuit breaker 3 can be directly connected, the overlapping copper bars are avoided, the cost is reduced, the installation space of electric elements is increased, the drawer depth can be properly reduced, the miniaturization and compactness functions of the low-voltage drawer cabinet are realized, the problem that the copper bars connected with the circuit breakers 3 of different brands cannot be generalized is solved, the equipment safety and the production and manufacturing efficiency are improved, and the cost is reduced.

Referring to fig. 2-4, two channels 7 are provided on the inner wall of the cabinet body 1, air inlets 8 are provided on the inner wall of the left channel 7 and are arranged equidistantly, fans 9 are embedded on the inner wall of the right channel 7 and are arranged equidistantly, cavities 10 are provided on the left and right sides of the drawer unit 2, and evenly distributed heat dissipation holes 11 are provided on the inner wall of the cavities 10.

In the use process of the drawer cabinet, a user starts the fan 9, external air enters the left channel 7 from the air inlet hole 8, air enters the cavity 10 and enters the drawer unit 2 from the heat dissipation hole 11, air flows in the drawer unit 2 and flows out of the right heat dissipation hole 11 and enters the right channel 7 from the cavity 10, and then the air is discharged by the fan 9, so that the temperature rise of the low-voltage drawer cabinet is reduced along with the air flowing in the drawer unit 2.

Referring to fig. 3, the inner wall of the air inlet 8 is connected with a filter plate 12 by screw threads, and a square strip 13 is fixedly connected to the left side of the filter plate 12.

According to the utility model, the filter plate 12 can be connected with the internal threads arranged on the inner wall of the air inlet hole 8, a user can detach and clean the filter plate 12 through the square bars 13, and the filter plate 12 can play a role in filtering air entering the drawer unit 2, so that the practicability of the device is improved.

The above is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The compact low-voltage drawer cabinet comprises a cabinet body (1) and is characterized in that drawer units (2) which are arranged at equal intervals are connected to the inner wall of the cabinet body (1) in a sliding mode, a circuit breaker (3) is arranged on the inner wall of the drawer units (2), and a current transformer (4) is integrated on the circuit breaker (3);

The novel intelligent cabinet is characterized in that an incoming connector (5) and an outgoing connector (6) which are equidistantly arranged are arranged on the back surface of the cabinet body (1), wiring ends of the incoming connector (5) and the outgoing connector (6) penetrate through and extend to the inside of the cabinet body (1), and the front surfaces of the incoming connector (5) and the outgoing connector (6) are respectively connected with the circuit breaker (3) and the current transformer (4).

2. The compact low-pressure drawer cabinet of claim 1, wherein two channels (7) are formed in the inner wall of the cabinet body (1), air inlets (8) which are equidistantly arranged are formed in the inner wall of the channel (7) on the left side, fans (9) which are equidistantly arranged are embedded and mounted in the inner wall of the channel (7) on the right side, cavities (10) are formed in the left side and the right side of the drawer unit (2), and heat dissipation holes (11) which are uniformly distributed are formed in the inner wall of the cavities (10).

3. The compact low-pressure drawer cabinet according to claim 2, wherein the inner wall of the air inlet hole (8) is connected with a filter plate (12) in a threaded manner, and a square bar (13) is fixedly connected to the left side of the filter plate (12).