CN204760865U - Environmental protection compact circuit breaker cabinet - Google Patents

Abstract

The utility model relates to a circuit breaker cabinet specifically discloses an environmental protection compact circuit breaker cabinet, and it includes the cabinet body, locates the electric somatic part of the internal leading factor of cabinet and divides and the cable chamber, the cabinet is personally experienced sth. Part of the body and is adopted metal casing, and this metal casing adoption is covered the preparation of aluminium zinc metal steel sheet and is formed, and leading electric somatic part branch seals up in metal casing and adopts the air to seal up in a no pressure gas tank as insulating medium, the electric somatic part of this leading factor branch, the external operating device that still is equipped with of cabinet, this operating device detachable install in external one side position department in the cabinet. The utility model provides an adopt environmental protection material, the narrow environmental protection compact circuit breaker cabinet of volume, have the characteristics of environmental protection, compactness, can extensively be applicable to all kinds of regions that have higher requirement to the land used such as flourishing city.

Description

Environmental protection compact circuit breaker cabinet

technical field

The utility model relates to a circuit breaker cabinet, in particular to an environment-friendly and compact circuit breaker cabinet.

Background technique

The existing circuit breaker cabinets are mainly divided into several types, one is the conventional air-insulated cabinet represented by the central cabinet with large volume and high operation and maintenance costs; the other is the circuit breaker cabinet with solid insulation; the third is the use of SF6 as the insulating medium compact circuit breaker cabinet. The above three cabinets all have their advantages, disadvantages and limitations. The central cabinet is bulky, and it is not suitable for its development and application in developed cities where land use is becoming more and more scarce. For solid insulation circuit breaker cabinets, solid insulation is not only a non-environmental protection material, but also because of the technical defects of non-recoverable insulation characteristics after the solid insulation is damaged, which makes this type of technology even more powerful. Big limitations. SF6 insulated circuit breaker cabinet, SF6 is a greenhouse gas, under the current international trend of energy saving and emission reduction, its use has great limitations.

Utility model content

The purpose of the utility model is to propose an environment-friendly compact circuit breaker cabinet, through the unique insulation design, the cabinet body occupies about 30% of the central cabinet.

In order to achieve the above purpose, the utility model provides an environmentally friendly compact circuit breaker cabinet, which includes: a cabinet body, a main conductor part and a cable room located in the cabinet body, the cabinet body adopts a metal shell, and the metal shell adopts It is made of aluminum-zinc-coated metal steel plate. The main conductor part is sealed in the metal shell and air is used as the insulating medium. The main conductor part is sealed in a non-pressure air box. There is also an operating mechanism outside the cabinet. The operating mechanism is detachably installed on one side outside the cabinet.

Wherein, the cabinet is provided with a plurality of fixedly connected partitions, and the partitions are respectively arranged in parallel in the cabinet by using grounded metal partitions.

Further, the metal steel plate is connected with a grounding copper bar, and the metal steel plate and the grounding copper bar together constitute the grounding system of the circuit breaker cabinet.

Furthermore, an insulating structure is also provided in the cabinet, and the insulating structure includes a plurality of insulating barriers and insulating supports.

In addition, an external lead wire is provided on the outside of the cabinet, and the external lead wire is connected by a fully insulated cable plug joint.

In the utility model, the cable chamber is connected with the outer lead.

Specifically, the cable chamber is connected with the external leads through the cable sleeve installed in the cabinet and the matching fully insulated cable plug connector.

Furthermore, a vacuum interrupter is provided inside the cabinet, and a vacuum tube for vacuum interrupter is arranged in the vacuum interrupter.

The environmental protection compact circuit breaker cabinet of the utility model, its metal shell is made of aluminum-zinc coated metal steel plate, the main conductor part adopts atmospheric pressure environment-friendly gas-air as the main insulating medium, combined with some insulating barriers and insulating support parts to form a circuit breaker The insulation structure of the circuit breaker cabinet; at the same time, the compact environmental protection circuit breaker cabinet can be realized by adopting the method of vacuum arc extinguishing, which has the characteristics of environmental protection and compactness, and can be widely used in developed cities and other areas that have high requirements for land use. .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a structural schematic diagram of a specific embodiment of the environmental protection compact circuit breaker cabinet in the utility model;

Fig. 2 is a left view of a specific embodiment of the environment-friendly compact circuit breaker cabinet in Fig. 1 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1 and 2, the utility model provides an environmentally friendly compact circuit breaker cabinet, which includes: a cabinet body 10, a main conductor part 11 and a cable room 12 located in the cabinet body 10, the cabinet body 10 A metal shell 13 is adopted, the metal shell 13 is made of aluminum-zinc-coated metal steel plate, the main conductor part 11 is sealed in the metal shell 13 and air is used as the insulating medium, and the main conductor part 13 is sealed in a non-pressure air box Inside, an operating mechanism 14 is provided outside the cabinet body 10 , and the operating mechanism 14 is detachably installed on one side of the cabinet body 10 . The metal shell 13 of the cabinet body 10 in the utility model is made of aluminum-zinc-coated metal steel plate, and the pressureless air box design of the shell will not cause insulation drop and function loss due to gas leakage; at the same time, it adopts normal pressure Environmentally friendly gas—air, as the main insulating medium, overcomes the technical defects of the existing solid insulation circuit breaker cabinets due to the irreversible insulation characteristics after the solid insulation is damaged, and is more widely used.

In the present invention, the cabinet body 10 is provided with a plurality of fixedly connected partitions 15 , and the partitions 15 are respectively arranged in parallel in the cabinet body 10 by adopting grounded metal partitions.

Further, the metal steel plate in the present invention is connected with a grounding copper bar 16, and the metal steel plate and the grounding copper bar 16 together constitute the grounding system of the circuit breaker cabinet. In the specific embodiment of the utility model, the grounding system is composed of the grounding copper bar in the sealed cabinet 10, the metal shell 13 and the grounding copper bar in the cable room, and the three must be reliably and continuously connected.

Furthermore, an insulating structure is also provided in the cabinet 10, and the insulating structure includes a plurality of insulating barriers 17 and insulating supports (not shown). This unique insulating design makes the cabinet 10 occupy an area of about 30% of the cabinet.

In addition, external leads (not shown) are provided on the outside of the cabinet body 10 , and the external leads are connected by fully insulated cable plug joints 18 . In the present utility model, the cable chamber 12 is connected with the outer lead wires, and the outer lead wires are fixed by conventional non-magnetic cable hoops. Specifically, the cable chamber 12 is connected with the external leads through a cable sleeve (not shown) installed in the cabinet body 10 and a matching fully insulated cable plug connector 18 .

Furthermore, a vacuum interrupter (not shown) is provided inside the cabinet body 10, and a vacuum tube 19 for vacuum interrupter is installed in the vacuum interrupter as the main component of its electrical function.

To sum up, the compact metal shell of the environmental protection compact circuit breaker cabinet in this utility model is made of aluminum-zinc-coated metal steel plate, and its metal shell has no pressure gas box design, which will not cause insulation drop and function due to gas leakage. At the same time, the main conductor part adopts atmospheric pressure environment-friendly gas-air as the main insulating medium, combined with some insulation barriers and insulating supports to form the insulation structure of the circuit breaker cabinet, the main conductor part is sealed in the non-pressure gas In the box, a unique insulation structure design is adopted to achieve maintenance-free performance; moreover, it uses vacuum arc extinguishing as the realization of the breaking capacity of the circuit breaker cabinet; in addition, the operating mechanism adopts a detachable installation structure, which is convenient for mechanism upgrades remodel.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (8)

1. An environmentally friendly compact circuit breaker cabinet, including a cabinet body, a main conductor part and a cable room located in the cabinet body, characterized in that the cabinet body is made of a metal shell, and the metal shell is made of aluminum-zinc-coated metal steel plate The main conductor part is sealed in the metal shell and air is used as the insulating medium. The main conductor part is sealed in a non-pressure air box. There is also an operating mechanism outside the cabinet, and the operating mechanism can be installed separately. on the outside of the cabinet. 2. The environment-friendly compact circuit breaker cabinet according to claim 1, wherein a plurality of fixedly connected partitions are arranged in the cabinet, and the partitions are respectively arranged in parallel in the cabinet by using grounded metal partitions. 3. The environment-friendly compact circuit breaker cabinet according to claim 1, wherein the metal steel plate is connected with a grounding copper bar, and the metal steel plate and the grounding copper bar together constitute a grounding system of the circuit breaker cabinet. 4. The environment-friendly compact circuit breaker cabinet according to claim 1, wherein an insulation structure is further provided in the cabinet, and the insulation structure includes a plurality of insulation barriers and insulation supports. 5. The environment-friendly compact circuit breaker cabinet according to claim 1, characterized in that, the outer side of the cabinet body is also provided with external leads, and the external leads are connected by fully insulated cable plug connectors. 6. The environment-friendly compact circuit breaker cabinet according to claim 5, characterized in that the cable chamber is connected with external leads. 7. The environment-friendly compact circuit breaker cabinet according to claim 6, characterized in that, the cable chamber is connected to the external leads through a cable sleeve installed on the cabinet body and a matching fully insulated cable plug joint. 8. The environment-friendly compact circuit breaker cabinet according to claim 1, wherein a vacuum interrupter is provided inside the cabinet, and a vacuum tube for vacuum interrupter is arranged in the vacuum interrupter.