CN215988576U

CN215988576U - Insulation isolation circuit breaker

Info

Publication number: CN215988576U
Application number: CN202121721474.7U
Authority: CN
Inventors: 龙义
Original assignee: Shenzhen Zhongwang Senyuan Electric Equipment Co ltd
Current assignee: Shenzhen Zhongwang Senyuan Electric Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-08
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses an insulating isolating circuit breaker, which belongs to the technical field of isolating switches and comprises a first isolating fixed plate, a second isolating fixed plate, a first circuit breaker fixed plate, a second circuit breaker fixed plate, an isolating plate and a circuit breaker middle partition plate, wherein the inner sides of the upper and lower ends of the first isolating fixed plate and the second isolating fixed plate are fixed through a hexagonal insulating rod; the middle partition plate, the isolation plate, the first isolation fixing plate, the second isolation fixing plate, the first breaker fixing plate, the second breaker fixing plate and the like of the breaker are arranged and matched for use, so that the external part of the breaker is insulated in a large range; thereby improving the insulating effect.

Description

Insulation isolation circuit breaker

Technical Field

The utility model relates to the technical field of isolating switches, in particular to an insulating isolating circuit breaker.

Background

An isolating switch (commonly called as a knife switch) generally refers to a high-voltage isolating switch, namely an isolating switch with rated voltage of 1kV or more, usually called as an isolating switch for short, is the most used electrical appliance in high-voltage switching electrical appliances, and has simple working principle and structure.

At present, except for adopting a solid insulation technology, a nitrogen filling and composite insulation mode is adopted. In addition, the composite insulation is coated by epoxy resin, and the epoxy resin material is not recyclable and is not environment-friendly; the safety protection device is easy to cause certain damage to the environment, low in safety performance and easy to have no certain guarantee for the safety of maintenance personnel during maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an insulation isolation circuit breaker, which is characterized in that a circuit breaker middle partition plate, an isolation plate, a first isolation fixing plate, a second isolation fixing plate, a first circuit breaker fixing plate, a second circuit breaker fixing plate and the like are arranged to be matched for use, so that the circuit breaker has a large-range insulation effect on the outside of the circuit breaker; thereby improving the insulating effect.

To solve the problems set forth in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an insulating isolation circuit breaker, keeps apart fixed plate, first circuit breaker fixed plate, second circuit breaker fixed plate, isolated board, circuit breaker median septum including first isolation fixed plate, second, first isolation fixed plate is kept apart the upper and lower end inboard of fixed plate with the second and is fixed through the hexagonal insulating rod, first isolation fixed plate is kept apart fixed plate inboard one end with the second and is equipped with isolated board, isolated board be fixed in on the circuit breaker median septum, the circuit breaker median septum is fixed in on first isolation fixed plate and the second isolation fixed plate through the pressure equalizing cover, first isolation fixed plate is equipped with the isolation main shaft with the top of second isolation fixed plate.

Preferably, the surface of the isolation main shaft is provided with an isolation static copper bar, and a screw rod insulation sleeve is arranged inside the isolation static copper bar.

Preferably, keep apart the surface mounting plastic link means of main shaft, the one end fixed connection of plastic link means keeps apart and moves the sword, the insulating safety cover of external mounting of plastic link means, the below of plastic link means is equipped with the circuit breaker static contact.

Preferably, a breaker static contact insulating rubber sleeve is arranged outside the breaker static contact, a vacuum bubble fixing plate is fixedly arranged at the bottom of the breaker static contact insulating rubber sleeve, and a vacuum bubble is fixedly arranged at the bottom of the vacuum bubble fixing plate.

Preferably, an isolation static contact cross beam is fixedly installed on one side of the vacuum bubble fixing plate, an isolation static contact is installed inside the isolation static contact cross beam, a vacuum discharge protection plate is installed at the bottom of the vacuum bubble, the bottom of the vacuum discharge protection plate is fixedly connected with a soft copper bar, and one side of the soft copper bar is fixedly connected with a three-phase expansion copper bar.

Preferably, the bottom of the soft copper bar is fixedly connected with a reset pressure spring, the bottom of the reset pressure spring is fixedly connected with three transmission devices, the three transmission devices are fixed on the surface of the hexagonal insulating rod, and an umbrella skirt is arranged between the three transmission devices.

Compared with the prior art, the utility model has the beneficial effects that:

the breaker middle partition plate, the isolation plate, the first isolation fixing plate, the second isolation fixing plate, the first breaker fixing plate, the second breaker fixing plate and the like are arranged and matched for use, so that the breaker middle partition plate and the isolation plate have the effect of facilitating installation of parts inside the breaker and further have the effect of insulating and isolating the breaker; the breaker middle partition plate is clamped with the isolation plate, so that the breaker middle partition plate and the isolation plate can be conveniently disassembled and assembled;

the breaker static contact is protected and insulated and isolated by arranging the breaker static contact insulating rubber sleeve; the isolating static contact cross beam is arranged, so that the vacuum bubble fixing plate is protected; and further improve the insulating effect of the vacuum bubble fixing plate; the plastic connecting rod device in the circuit breaker is insulated and protected by arranging the insulating protective cover;

the breaker insulation components are matched for use, so that the insulation effect of the breaker is improved, a certain protection effect on the environment is achieved, and the safety performance of maintenance personnel during maintenance is improved; the life health of maintenance personnel is ensured to a certain extent.

Drawings

Fig. 1 is a schematic structural view of a first disconnecting circuit breaker according to the present invention;

fig. 2 is a schematic view of an explosion structure of the disconnecting circuit breaker of the present invention;

fig. 3 is a schematic view of the internal structure of a first disconnecting circuit breaker according to the present invention;

fig. 4 is a schematic diagram of the internal structure of a second disconnecting circuit breaker according to the present invention.

In the figure: 1. a first isolation fixing plate; 101. a second isolation fixing plate; 2. a first breaker fixing plate; 201. a second breaker fixing plate; 3. isolating the static copper bar; 4. isolating the main shaft; 5. a screw insulating sleeve; 6. isolating the static contact; 7. a plastic link means; 8. isolating the moving blade; 9. a fixed contact of the circuit breaker; 10. A fixed contact insulating rubber sleeve of the circuit breaker; 11. a vacuum bubble fixing plate; 12. isolating the static contact beam; 13. vacuum bubble; 14. a vacuum discharge plate; 15. soft copper bars; 16. three-phase expanded copper bars; 17. resetting the pressure spring; 18. Three transmission devices; 19. an umbrella skirt; 20. a voltage-equalizing cover; 21. an insulating protective cover; 22. an insulating panel; 23. A hexagonal insulating rod; 24. circuit breaker median septum.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an insulation isolation circuit breaker comprises a first isolation fixing plate 1, a second isolation fixing plate 101, a first circuit breaker fixing plate 2, a second circuit breaker fixing plate 201, an isolation plate 22 and a circuit breaker middle partition plate 24, wherein the circuit breaker middle partition plate 24, the isolation plate 22, the first isolation fixing plate 1, the second isolation fixing plate 101, the first circuit breaker fixing plate 2 and the second circuit breaker fixing plate 201 are arranged for matching use, so that the circuit breaker inner part is convenient to mount, and the circuit breaker is insulated and isolated, the upper and lower inner sides of the first isolation fixing plate 1 and the second isolation fixing plate 101 are fixed through a hexagonal insulation rod 23, the isolation plate 22 is arranged at one end of the inner side of the first isolation fixing plate 1 and the second isolation fixing plate 101, the isolation plate 22 is fixed on the circuit breaker middle partition plate 24, the circuit breaker middle partition plate 24 is fixed on the first isolation fixing plate 1 and the second isolation fixing plate 101 through a pressure equalizing cover 20, the middle partition plate 24 of the circuit breaker is clamped with the isolation plate 22, so that the middle partition plate 24 of the circuit breaker and the isolation plate 22 can be conveniently dismounted, the isolation main shaft 4 is arranged at the top of the first isolation fixing plate 1 and the top of the second isolation fixing plate 101, and the isolation main shaft 4 mainly plays a role in mounting the plastic connecting rod device 7 on the isolation main shaft;

the surface of the isolation main shaft 4 is provided with an isolation static copper bar 3, the isolation static copper bar 3 mainly plays a role in installation and protection of the isolation main shaft 4 in the isolation main shaft, a screw rod insulating sleeve 5 is arranged in the isolation static copper bar 3, and the screw rod insulating sleeve 5 mainly plays a role in insulation of a screw rod on the screw rod insulating sleeve 5;

the surface of the isolation main shaft 4 is provided with a plastic connecting rod device 7, one end of the plastic connecting rod device 7 is fixedly connected with an isolation moving blade 8, the isolation moving blade 8 mainly plays a role in contacting a breaker static contact 9 on the isolation moving blade, an insulation protective cover 21 is arranged outside the plastic connecting rod device 7, the insulation protective cover 21 mainly plays a role in protecting the plastic connecting rod device 7 in the isolation moving blade, the plastic connecting rod device 7 comprises a plastic connecting rod, a rotary groove, an isolation moving blade 8 and the like, and the breaker static contact 9 is arranged below the plastic connecting rod device 7;

a breaker static contact insulating rubber sleeve 10 is arranged outside a breaker static contact 9, the breaker static contact insulating rubber sleeve 10 mainly plays a role in protecting the breaker static contact 9 in the breaker static contact, a vacuum bubble fixing plate 11 is fixedly arranged at the bottom of the breaker static contact insulating rubber sleeve 10, the vacuum bubble fixing plate 11 mainly plays a role in supporting the breaker static contact insulating rubber sleeve 10 on the breaker static contact insulating rubber sleeve, and a vacuum bubble 13 is fixedly arranged at the bottom of the vacuum bubble fixing plate 11;

an isolation static contact beam 12 is fixedly installed on one side of a vacuum bubble fixing plate 11, the isolation static contact beam 12 mainly performs fixing, supporting and installing functions on an isolation static contact 6 on the isolation static contact beam, the isolation static contact 6 is installed inside the isolation static contact beam 12, a vacuum row protection plate 14 is installed at the bottom of a vacuum bubble 13, the vacuum row protection plate 14 mainly performs installing and supporting functions on the vacuum bubble 13, the bottom of the vacuum row protection plate 14 is fixedly connected with a soft copper bar 15, and one side of the soft copper bar 15 is fixedly connected with a three-phase expanded copper bar 16.

The bottom of the soft copper bar 15 is fixedly connected with a reset pressure spring 17, the reset pressure spring 17 mainly plays a reset role, the bottom of the reset pressure spring 17 is fixedly connected with three transmission devices 18, the three transmission devices 18 mainly transmit the reset pressure spring 17 on the three transmission devices, the three transmission devices 18 are fixed on the surface of a hexagonal insulating rod 23, and an umbrella skirt 19 is arranged between the three transmission devices 18.

Firstly, the breaker middle partition plate 24, the isolation plate 22, the first isolation fixing plate 1, the second isolation fixing plate 101, the first breaker fixing plate 2 and the second breaker fixing plate 201 outside the breaker are assembled, so that the components of the breaker are convenient to install in the breaker middle partition plate, the breaker is convenient to install and use to obtain a part, and the breaker has a good insulation effect; when the circuit breaker is used, the circuit breaker static contact insulating rubber sleeve 10 in the circuit breaker static contact insulating rubber sleeve plays a role in protecting the circuit breaker static contact 9 and also plays an insulating role; an insulating protective cover 21 is arranged outside the plastic connecting rod device, so that the plastic connecting rod device 7 is protected in an insulating way; keep apart main shaft 4 through setting up to play the effect of rotation support to plastic link means, through setting up hexagonal insulating rod 23, thereby keep apart fixed plate 101, first circuit breaker fixed plate 2 and second circuit breaker fixed plate 201 and play fixed effect to circuit breaker median septum 24, isolated board 22, first isolation fixed plate 1, second.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an insulating isolation circuit breaker, includes first isolation fixed plate (1), second isolation fixed plate (101), first circuit breaker fixed plate (2), second circuit breaker fixed plate (201), isolated board (22), circuit breaker median septum (24), its characterized in that: first keep apart fixed plate (1) and the upper and lower end inboard of second isolation fixed plate (101) is fixed through hexagonal insulating rod (23), first isolation fixed plate (1) is equipped with isolated board (22) with second isolation fixed plate (101) inboard one end, being fixed in of isolated board (22) on circuit breaker median septum (24), circuit breaker median septum (24) are fixed in on first isolation fixed plate (1) and second isolation fixed plate (101) through pressure equalizing cover (20), first isolation fixed plate (1) is equipped with isolation main shaft (4) with the top of second isolation fixed plate (101).

2. The isolating circuit breaker as in claim 1, wherein: the surface of the isolation main shaft (4) is provided with an isolation static copper bar (3), and a screw rod insulation sleeve (5) is arranged inside the isolation static copper bar (3).

3. The isolating circuit breaker as in claim 1, wherein: keep apart surface mounting plastic link means (7) of main shaft (4), the one end fixed connection of plastic link means (7) keeps apart and moves sword (8), the insulating safety cover of externally mounted (21) of plastic link means (7), the below of plastic link means (7) is equipped with circuit breaker static contact (9).

4. An isolating circuit breaker as in claim 3, wherein: the circuit breaker static contact insulating rubber sleeve (10) is installed outside the circuit breaker static contact (9), a vacuum bubble fixing plate (11) is fixedly installed at the bottom of the circuit breaker static contact insulating rubber sleeve (10), and a vacuum bubble (13) is fixedly installed at the bottom of the vacuum bubble fixing plate (11).

5. The isolating circuit breaker as in claim 4, wherein: the vacuum insulation device is characterized in that an isolation static contact cross beam (12) is fixedly installed on one side of a vacuum bubble fixing plate (11), an isolation static contact (6) is installed inside the isolation static contact cross beam (12), a vacuum row protection plate (14) is installed at the bottom of a vacuum bubble (13), the bottom of the vacuum row protection plate (14) is fixedly connected with a soft copper bar (15), and one side of the soft copper bar (15) is fixedly connected with a three-phase expansion copper bar (16).

6. The isolating circuit breaker as in claim 5, wherein: the bottom of the soft copper bar (15) is fixedly connected with a reset pressure spring (17), the bottom of the reset pressure spring (17) is fixedly connected with three transmission devices (18), the three transmission devices (18) are fixed on the surface of a hexagonal insulating rod (23), and an umbrella skirt (19) is arranged between the three transmission devices (18).