CN215578340U

CN215578340U - Explosion-proof type intelligence vacuum circuit breaker

Info

Publication number: CN215578340U
Application number: CN202121658916.8U
Authority: CN
Inventors: 李海平
Original assignee: Xi'an Handing Electric Power Technology Co ltd
Current assignee: Shaanxi Yifanyun Technology Co.,Ltd.
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-18
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses an explosion-proof intelligent vacuum circuit breaker, which comprises a vacuum circuit breaker body and a shell, wherein the vacuum circuit breaker body is fixedly connected to the upper end of the right side of an inner cavity of the shell, a current inductor is fixedly connected to the lower end of the right side of the inner cavity of the shell, the vacuum circuit breaker body is electrically connected with the current inductor through an electric wire, an electric telescopic rod is fixedly connected to the right side of the bottom of the inner cavity of the shell, a pulley is movably connected to the telescopic end of the electric telescopic rod, a temperature inductor is fixedly connected to the middle end of the top of the inner cavity of the shell, an observation port is formed in the middle end of the left side of the shell, explosion-proof glass is embedded in the inner surface of the observation port, and the vacuum circuit breaker body comprises a basal layer. The intelligent vacuum circuit breaker is provided with the current sensor, the pulley, the electric telescopic rod and the temperature sensor, achieves the purpose of explosion prevention, and solves the problem that the existing intelligent vacuum circuit breaker is easy to explode when in use and affects the use safety because the existing intelligent vacuum circuit breaker does not have the explosion prevention function.

Description

Explosion-proof type intelligence vacuum circuit breaker

Technical Field

The utility model relates to the technical field of vacuum circuit breakers, in particular to an explosion-proof intelligent vacuum circuit breaker.

Background

The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the intelligent vacuum circuit breaker has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinction, and is popularized in power distribution networks, the vacuum circuit breaker is 3-10 kV, an indoor power distribution device in a 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, and is particularly suitable for use places requiring no oil, less maintenance and frequent operation, the circuit breaker can be configured in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment, the existing intelligent vacuum circuit breaker does not have an explosion-proof function, so that the intelligent vacuum circuit breaker is easy to explode when in use and affects the use safety, and therefore the explosion-proof intelligent vacuum circuit breaker is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof intelligent vacuum circuit breaker, which has the advantage of explosion prevention and solves the problem that the existing intelligent vacuum circuit breaker is easy to explode when in use and affects the use safety because the existing intelligent vacuum circuit breaker does not have the explosion-proof function.

In order to achieve the purpose, the utility model provides the following technical scheme: an explosion-proof intelligent vacuum circuit breaker comprises a vacuum circuit breaker body and a shell, wherein the vacuum circuit breaker body is fixedly connected to the upper end of the right side of an inner cavity of the shell, a current inductor is fixedly connected to the lower end of the right side of the inner cavity of the shell, the vacuum circuit breaker body is electrically connected with the current inductor through an electric wire, an electric telescopic rod is fixedly connected to the right side of the bottom of the inner cavity of the shell, a pulley is movably connected to the telescopic end of the electric telescopic rod, a temperature inductor is fixedly connected to the middle end of the top of the inner cavity of the shell, an observation port is formed in the middle end of the left side of the shell, explosion-proof glass is embedded in the inner surface of the observation port, the vacuum circuit breaker body comprises a basal layer, a first explosion-proof layer is fixedly connected to the top of the basal layer, the first explosion-proof layer comprises a polycarbonate layer and an ABS engineering plastic layer, and a second explosion-proof layer is fixedly connected to the bottom of the basal layer, the second explosion-proof layer comprises a polybutylene terephthalate layer and a polyamide layer.

Preferably, the ABS engineering plastic layer is located on the top of the substrate layer, and the top of the ABS engineering plastic layer is fixedly connected with the polycarbonate layer.

Preferably, the thickness of the polycarbonate layer is the same as that of the ABS engineering plastic layer, and the thickness of the first explosion-proof layer is the same as that of the substrate layer.

Preferably, the polybutylene terephthalate layer is positioned at the bottom of the substrate layer, and the polyamide layer is fixedly connected to the bottom of the polybutylene terephthalate layer.

Preferably, the thickness of the polybutylene terephthalate layer is the same as that of the polyamide layer, and the thickness of the second explosion-proof layer is the same as that of the first explosion-proof layer.

Preferably, an alarm lamp is fixedly connected to the left side of the upper surface of the housing, and a protective cover is arranged on the outer surface of the alarm lamp.

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

the utility model is provided with the current sensor, the pulley, the electric telescopic rod and the temperature sensor, the internal condition of the shell can be observed conveniently through the arranged observation port, the sensitivity of the vacuum circuit breaker body can be increased through the arranged current sensor, when the internal temperature of the shell is overhigh, the alarm lamp is started to work through the external controller, the alarm lamp flickers in red and blue light when working, people can find that when the circuit is recovered to be normal, the electric telescopic rod is started to stretch through the external controller, the electric telescopic rod drives the pulley to stretch, the vacuum circuit breaker body is opened, the top of the substrate layer is fixedly connected with the first explosion-proof layer, the first explosion-proof layer comprises a polycarbonate layer and an ABS engineering plastic layer, the polycarbonate layer has the advantages of high temperature resistance and impact resistance, the ABS engineering plastic layer has the advantage of difficult combustion, and the polycarbonate layer and the ABS engineering plastic layer both have the advantage of explosion resistance, bottom fixedly connected with second explosion-proof layer at the stratum basale, the second explosion-proof layer includes polybutylene terephthalate layer and polyamide layer, polybutylene terephthalate layer possesses high heat-resistant advantage, the polyamide layer possesses the advantage that toughness is good, polybutylene terephthalate layer and polyamide layer all possess explosion-proof advantage, the explosion-proof purpose has been reached, it does not possess explosion-proof function to have solved current intelligent wisdom vacuum circuit breaker, easy explosion when leading to it to use, influence the problem safe in utilization.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic sectional view of a vacuum circuit breaker body according to the present invention;

FIG. 3 is a schematic structural diagram of a first explosion-proof layer according to the present invention;

FIG. 4 is a schematic structural diagram of a second explosion-proof layer according to the present invention.

In the figure: 1. a vacuum circuit breaker body; 11. a base layer; 12. a first explosion-proof layer; 121. a polycarbonate layer; 122. an ABS engineering plastic layer; 13. a second explosion-proof layer; 131. a polybutylene terephthalate layer; 132. a polyamide layer; 2. a current sensor; 3. a pulley; 4. an electric telescopic rod; 5. a housing; 6. a viewing port; 7. a temperature sensor; 8. an alarm light.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The vacuum circuit breaker body 1, the substrate layer 11, the first explosion-proof layer 12, the polycarbonate layer 121, the ABS engineering plastic layer 122, the second explosion-proof layer 13, the polybutylene terephthalate layer 131, the polyamide layer 132, the current sensor 2, the pulley 3, the electric telescopic rod 4, the housing 5, the viewing port 6, the temperature sensor 7 and the alarm lamp 8 are all general standard parts or parts known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1-4, an explosion-proof intelligent vacuum circuit breaker comprises a vacuum circuit breaker body 1 and a housing 5, wherein a warning lamp 8 is fixedly connected to the left side of the upper surface of the housing 5, a protective cover is arranged on the outer surface of the warning lamp 8, the vacuum circuit breaker body 1 is fixedly connected to the upper end of the right side of the inner cavity of the housing 5, a current sensor 2 is fixedly connected to the lower end of the right side of the inner cavity of the housing 5, the vacuum circuit breaker body 1 is electrically connected to the current sensor 2 through a wire, an electric telescopic rod 4 is fixedly connected to the right side of the bottom of the inner cavity of the housing 5, a pulley 3 is movably connected to the telescopic end of the electric telescopic rod 4, a temperature sensor 7 is fixedly connected to the middle end of the top of the inner cavity of the housing 5, an observation port 6 is formed at the middle end of the left side of the housing 5, explosion-proof glass is embedded in the inner surface of the observation port 6, the vacuum circuit breaker body 1 comprises a substrate layer 11, a first explosion-proof layer 12 is fixedly connected to the top of the substrate layer 11, the first explosion-proof layer 12 comprises a polycarbonate layer 121 and an ABS engineering plastic layer 122, the ABS engineering plastic layer 122 is located on the top of the substrate layer 11, the polycarbonate layer 121 is fixedly connected to the top of the ABS engineering plastic layer 122, the thickness of the polycarbonate layer 121 is the same as that of the ABS engineering plastic layer 122, the thickness of the first explosion-proof layer 12 is the same as that of the substrate layer 11, the bottom of the substrate layer 11 is fixedly connected with a second explosion-proof layer 13, the second explosion-proof layer 13 comprises a polybutylene terephthalate layer 131 and a polyamide layer 132, the polybutylene terephthalate layer 131 is located on the bottom of the substrate layer 11, the bottom of the polybutylene terephthalate layer 131 is fixedly connected with the polyamide layer 132, the thickness of the polybutylene terephthalate layer 131 is the same as that of the polyamide layer 132, the thickness of the second explosion-proof layer 13 is the same as that of the first explosion-proof layer 12, and the current inductor 2 and the pulley 3 are arranged, The electric telescopic rod 4 and the temperature sensor 7 are convenient for observing the internal condition of the shell 5 through the arranged observation port 6, the sensitivity of the vacuum circuit breaker body 1 can be increased through the arranged current sensor 2, when the internal temperature of the shell 5 is overhigh, the alarm lamp 8 is started to work through the external controller, the alarm lamp 8 flashes in red and blue light when working, people can find that when the circuit is recovered to be normal, the electric telescopic rod 4 is started to extend through the external controller, the electric telescopic rod 4 drives the pulley 3 to extend and retract, the vacuum circuit breaker body 1 is opened, the first explosion-proof layer 12 is fixedly connected to the top of the substrate layer 11, the first explosion-proof layer 12 comprises a polycarbonate layer 121 and an ABS engineering plastic layer 122, the polycarbonate layer 121 has the advantages of high temperature resistance and impact resistance, the ABS engineering plastic layer 122 has the advantage of difficult combustion, the polycarbonate layer 121 and the ABS engineering plastic layer 122 both have the advantages of explosion-proof, explosion-proof layer 13 of bottom fixedly connected with second at stratum basale 11, explosion-proof layer 13 of second includes polybutylene terephthalate layer 131 and polyamide layer 132, polybutylene terephthalate layer 131 possesses the high heat-resistant advantage, polyamide layer 132 possesses the good advantage of toughness, polybutylene terephthalate layer 131 all possesses explosion-proof advantage with polyamide layer 132, explosion-proof purpose has been reached, external controller is the PLC controller in this application, and simultaneously, two terminals of external controller are connected with power plug through the wire, and adopt the commercial power to supply power in this application.

When the vacuum circuit breaker is used, the current sensor 2, the pulley 3, the electric telescopic rod 4 and the temperature sensor 7 are arranged, the internal condition of the shell 5 can be observed conveniently through the arranged observation port 6, the sensitivity of the vacuum circuit breaker body 1 can be increased through the arranged current sensor 2, when the internal temperature of the shell 5 is overhigh, the alarm lamp 8 is started to work through the external controller, the alarm lamp 8 flickers in red and blue light when working, people find that when the circuit is recovered to be normal, the electric telescopic rod 4 is started to stretch through the external controller, the electric telescopic rod 4 drives the pulley 3 to stretch, the vacuum circuit breaker body 1 is opened, the first explosion-proof layer 12 is fixedly connected to the top of the substrate layer 11, the first explosion-proof layer 12 comprises a polycarbonate layer 121 and an ABS engineering plastic layer 122, the polycarbonate layer 121 has the advantages of high temperature resistance and impact resistance, the ABS engineering plastic layer 122 has the advantage of being difficult to burn, polycarbonate layer 121 and ABS engineering plastic layer 122 all possess blast proof advantage, bottom fixedly connected with second blast proof layer 13 at stratum basale 11, second blast proof layer 13 includes polybutylene terephthalate layer 131 and polyamide layer 132, polybutylene terephthalate layer 131 possesses high heat-resistant advantage, polyamide layer 132 possesses the advantage that toughness is good, polybutylene terephthalate layer 131 all possesses blast proof advantage with polyamide layer 132, blast proof purpose has been reached, the current intelligent vacuum circuit breaker of having solved does not possess blast proof function, easy explosion when leading to its use, influence the problem of safe in utilization.

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 explosion-proof type intelligence vacuum circuit breaker, includes vacuum circuit breaker body (1) and casing (5), its characterized in that: the vacuum circuit breaker comprises a vacuum circuit breaker body (1), a current inductor (2) is fixedly connected to the upper end of the right side of an inner cavity of a shell (5), the vacuum circuit breaker body (1) is electrically connected with the current inductor (2) through an electric wire, an electric telescopic rod (4) is fixedly connected to the right side of the bottom of the inner cavity of the shell (5), a pulley (3) is movably connected to the telescopic end of the electric telescopic rod (4), a temperature inductor (7) is fixedly connected to the middle end of the top of the inner cavity of the shell (5), an observation port (6) is formed in the middle end of the left side of the shell (5), explosion-proof glass is embedded in the inner surface of the observation port (6), the vacuum circuit breaker body (1) comprises a basal layer (11), and a first explosion-proof layer (12) is fixedly connected to the top of the basal layer (11), the first explosion-proof layer (12) comprises a polycarbonate layer (121) and an ABS engineering plastic layer (122), the bottom of the substrate layer (11) is fixedly connected with a second explosion-proof layer (13), and the second explosion-proof layer (13) comprises a polybutylene terephthalate layer (131) and a polyamide layer (132).

2. The intelligent explosion-proof vacuum circuit breaker as claimed in claim 1, wherein: the ABS engineering plastic layer (122) is located on the top of the substrate layer (11), and the top of the ABS engineering plastic layer (122) is fixedly connected with a polycarbonate layer (121).

3. The intelligent explosion-proof vacuum circuit breaker as claimed in claim 1, wherein: the thickness of the polycarbonate layer (121) is the same as that of the ABS engineering plastic layer (122), and the thickness of the first explosion-proof layer (12) is the same as that of the substrate layer (11).

4. The intelligent explosion-proof vacuum circuit breaker as claimed in claim 1, wherein: the polybutylene terephthalate layer (131) is located at the bottom of the base layer (11), and a polyamide layer (132) is fixedly connected to the bottom of the polybutylene terephthalate layer (131).

5. The intelligent explosion-proof vacuum circuit breaker as claimed in claim 1, wherein: the thickness of the polybutylene terephthalate layer (131) is the same as that of the polyamide layer (132), and the thickness of the second explosion-proof layer (13) is the same as that of the first explosion-proof layer (12).

6. The intelligent explosion-proof vacuum circuit breaker as claimed in claim 1, wherein: the left side fixedly connected with warning light (8) of casing (5) upper surface, the surface of warning light (8) is provided with the protection casing.