CN211719501U

CN211719501U - Gas-filled cabinet circuit breaker with combined structure

Info

Publication number: CN211719501U
Application number: CN202020388636.9U
Authority: CN
Inventors: 覃家财; 贾芳成; 李旭; 卢彦辉; 柴智; 赵东海
Original assignee: Chongqing Electrical And Mechanical Intelligent Manufacturing Co ltd
Current assignee: Chongqing Electrical And Mechanical Intelligent Manufacturing Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-10-20
Anticipated expiration: 2030-03-25

Abstract

The utility model belongs to the technical field of power equipment, specifically disclose a modular structure's aerify cabinet circuit breaker, install in the outside of gas tank including sealed bellows, install the flange board on the vacuum utmost point post, install the transition support between flange board and the operating device, the transition support is fixed with flange board and operating device's bottom plate respectively, and operating device is whole to be modularization bottom plate formula structure. Above-mentioned aerify cabinet circuit breaker can solve the problem that manufacturing, assembly, debugging and maintenance are all difficult that current aerify cabinet vacuum circuit breaker structural style caused to effectual gas tank volume that reduces improves production efficiency.

Description

Gas-filled cabinet circuit breaker with combined structure

Technical Field

The utility model belongs to the technical field of power equipment, especially, relate to a modular structure aerify cabinet circuit breaker.

Background

Gas insulated metal-enclosed switchgear (C-GIS for short) is widely used not only in the high-voltage and ultra-high-voltage fields, but also in the ultra-high-voltage field. The device comprises a vacuum circuit breaker, an isolating switch, a grounding switch, a mutual inductor, a lightning arrester, a bus, a connecting piece, an outlet terminal and the like. The vacuum circuit breaker is named because arc extinguishing media and insulating media in contact gaps after arc extinguishing are high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

The conventional vacuum circuit breaker is installed in the following manner: most of the sealed glass-fiber tube isolated from the air box is placed in the vacuum pole support, and the operating mechanism of the vacuum circuit breaker is made into a traditional box type structure. The mode is not suitable for C-GIS products requiring miniaturization, the occupied space of the gas tank is large, the whole framework of the mechanism is connected with the pole of the vacuum circuit breaker, and the manufacture, assembly, debugging and maintenance are very difficult. As shown in fig. 1, the vacuum pole has a large length and a small operation space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular structure aerify cabinet circuit breaker to solve the problem that manufacturing, assembly, debugging and maintenance that present aerify cabinet vacuum circuit breaker structural style caused are all difficult.

In order to achieve the above purpose, the technical scheme of the utility model is that: a gas-filled tank circuit breaker with a combined structure comprises a gas tank, a sealing corrugated pipe, a vacuum pole and an operating mechanism; the sealing corrugated pipe is installed outside the air box, a transition support is installed between the vacuum pole and the operating mechanism, and the transition support is fixed with the vacuum pole and the bottom plate of the operating mechanism respectively.

Further, the whole operating mechanism is of a bottom plate type structure.

Further, a flange plate is installed on the vacuum pole and fixed with the transition support.

The beneficial effects of this technical scheme lie in: the sealing corrugated pipe is arranged outside the air box in the technical scheme, so that the volume of the air box can be reduced, the situation of difficulty in assembly and debugging can be improved, the air box does not need to be opened when the sealing corrugated pipe is replaced, and the operation is convenient. Secondly, the bottom plate of the operating mechanism is fixed with the flange plate on the vacuum pole, and the formed frame has strong enough strength, so that the operating mechanism can be used as a bottom plate type, and the size of the operating mechanism can be reduced by the bottom plate type operating mechanism.

Drawings

Fig. 1 is a schematic structural diagram of a circuit breaker in the background art;

fig. 2 is a schematic structural view of the gas-filled tank circuit breaker with a combined structure according to the present invention;

FIG. 3 is a schematic diagram of the assembly steps of the gas insulated switchgear circuit breaker in the C-GIS gas tank.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the air box 1, the vacuum terminal post 2, the sealing corrugated pipe 3, the transition support 4, the bottom plate 5, the operating mechanism 6 and the protective outer cover 7.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is basically as shown in the attached figures 2-3: a gas-filled tank circuit breaker with a combined structure comprises a gas tank 1, a sealing corrugated pipe 3, a vacuum pole 2 and an operating mechanism 6; the sealing corrugated pipe 3 is installed outside the gas box 1, the flange plate is installed on the vacuum pole 2, the transition support 4 is installed between the flange plate and the operating mechanism 6, and the transition support 4 is fixed with the flange plate and the bottom plate 5 of the operating mechanism 6 respectively. The operating mechanism 6 is of a bottom plate type structure as a whole. In this embodiment, the length of the vacuum pole 2 is reduced by 90cm compared with the length of the vacuum pole 2 in the background art, and the depth of the operating mechanism 6 is reduced by 60cm compared with the depth of the operating mechanism 6 in the background art. The operating mechanism 6 is externally provided with a protective outer cover 7.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A gas-filled tank circuit breaker with a combined structure comprises a gas tank, a sealing corrugated pipe, a vacuum pole and an operating mechanism; the method is characterized in that: the sealing corrugated pipe is installed outside the air box, a transition support is installed between the vacuum pole and the operating mechanism, and the transition support is fixed with the vacuum pole and the bottom plate of the operating mechanism respectively.

2. The modular structure of the gas-filled tank circuit breaker according to claim 1, wherein: the whole operating mechanism is of a bottom plate type structure.

3. The modular structure of the gas-filled tank circuit breaker according to claim 1, wherein: and a flange plate is arranged on the vacuum pole and is fixed with the transition support.