CN216528605U

CN216528605U - Explosion-proof type vacuum circuit breaker

Info

Publication number: CN216528605U
Application number: CN202122781860.1U
Authority: CN
Inventors: 杨佩
Original assignee: Shanghai Feinier Technology Co ltd
Current assignee: Shanghai Feinier Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-13
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses an explosion-proof vacuum circuit breaker, which comprises a fixed base and a protective box, wherein a base is arranged at the top end of the fixed base, the protective box is arranged at the top end of the base, a movable plate is arranged inside the protective box, a circuit breaker main body is fixed at the top end of the movable plate, limiting plates are arranged on two sides of the movable plate, a box door is arranged on the front surface of the protective box, a wire outlet hole is formed in the box door, an installation rod is arranged at the bottom end of the base, and the installation rod is inserted into an installation barrel. According to the utility model, through arranging the rotary U-shaped rod, the transverse rod, the fixing sleeve and the fixing spring, when the fixing device is installed, one worker pulls the fixing sleeve downwards, the other worker inserts the installation rod at the bottom end of the seat into the installation cylinder, then the rotary U-shaped rod is rotated upwards to clamp the transverse rod, then the fixing sleeve is loosened, and the fixing sleeve moves upwards under the action of the fixing spring to limit the rotary U-shaped rod.

Description

Explosion-proof type vacuum circuit breaker

Technical Field

The utility model relates to the technical field of circuit breaker design, in particular to an explosion-proof 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 arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively 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, 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, and is an explosion-proof vacuum circuit breaker which is widely used at present.

At present, bolt fixed connection is mostly used when explosion-proof vacuum circuit breaker is installed, and the installation is stable like this, but the installation is comparatively troublesome, and it also consumes time to dismantle simultaneously, need carry a lot of instruments to most circuit breaker all is outdoor installation, does not have the external protection to lead to receiving the damage easily, consequently needs to design an explosion-proof vacuum circuit breaker.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that most of the existing explosion-proof vacuum circuit breakers are fixedly connected by bolts when being installed, so that the installation is stable, but the installation is troublesome, the disassembly is time-consuming, a plurality of tools need to be carried, most of the circuit breakers are installed in the open air, and the circuit breakers are easy to damage due to no external protection.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an explosion-proof vacuum circuit breaker comprises a fixed base and a protective box, wherein the top end of the fixed base is provided with a base, the top end of the base is provided with the protective box, a movable plate is arranged inside the protective box, the top end of the movable plate is fixed with a circuit breaker main body, two sides of the movable plate are provided with limiting plates, the front surface of the protective box is provided with a box door, the box door is provided with a wire outlet, the bottom end of the base is provided with an installation rod, the installation rod is inserted inside an installation cylinder, two sides of the installation cylinder are provided with rotary U-shaped rods, the rotary U-shaped rods are clamped on transverse rods on the installation rod, the outer part of the installation cylinder is provided with a fixed sleeve, a fixed spring is connected between the fixed sleeve and the bottom end of the installation cylinder, the outer part of the fixed sleeve is provided with an anti-skid sleeve, an opening of the protective box is provided with a heat dissipation net, and the side surface of the protective box is provided with a guard plate, the inside side of protective housing is equipped with the temperature sensor, the inside top of protective housing is equipped with electric fan, the top of protective housing is equipped with the warning sign.

Preferably, the bottom end of the moving plate is provided with a sliding roller, and the limiting plate is fixedly connected with the moving plate through a bolt.

Preferably, the U-shaped rotating rod is rotatably connected with the mounting cylinder and is clamped inside the transverse rod by rotating the U-shaped rotating rod, and the fixing sleeve is sleeved outside the mounting cylinder and is elastically connected with the mounting cylinder through a fixing spring.

Preferably, the inner surface of the anti-slip sleeve is mutually bonded with the outer surface of the fixed sleeve, and the anti-slip sleeve is made of silica gel.

Preferably, the radiator-grid is connected for the block with the inner wall of guard box, the side view area of fender backplate is greater than the area of radiator-grid.

Preferably, the temperature sensor is electrically connected with the electric fan, and the electric fan is symmetrically distributed on two sides of the top end in the protective box.

Preferably, the warning board is provided with two places and symmetrical distribution on the top end of the protective box, and the warning board is rotatably connected with the protective box.

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

1. according to the circuit breaker, the movable plate and the limiting plate are arranged, so that the circuit breaker main body can be easily moved into the protective box through the sliding idler wheel after being fixed on the movable plate, the circuit breaker main body is protected, meanwhile, the limiting plate can fix the movable plate, the movable plate is prevented from shaking, the effect of strengthening stability is achieved, and meanwhile, the movable plate can be conveniently pulled out during maintenance;

2. according to the utility model, through arranging the rotary U-shaped rod, the transverse rod, the fixing sleeve and the fixing spring, when the fixing device is installed, one worker pulls the fixing sleeve downwards, the other worker inserts the installation rod at the bottom end of the seat into the installation cylinder, then rotates the rotary U-shaped rod upwards to clamp the transverse rod, then loosens the fixing sleeve, and moves the fixing sleeve upwards under the action of the fixing spring to limit the rotary U-shaped rod, so that the fixing device is very simple and convenient to install, is beneficial to disassembly and is convenient to check and maintain;

3. according to the utility model, the temperature sensor and the electric fan are arranged, so that the temperature sensor can start and stop the electric fan according to the internal temperature of the protective box, when the heat generated by the breaker main body is too high, the temperature sensor can start the electric fan to dissipate heat, and when the temperature is reduced, the electric fan is automatically stopped, so that the equipment loss is greatly reduced, and the service life of the equipment is prolonged.

Drawings

Fig. 1 is a schematic front view of an explosion-proof vacuum circuit breaker according to the present invention;

fig. 2 is a schematic front view of an external structure of an explosion-proof vacuum circuit breaker according to the present invention;

fig. 3 is a schematic side view of a mounting rod and a mounting cylinder of an explosion-proof vacuum circuit breaker according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a position a of the explosion-proof vacuum circuit breaker according to the present invention.

In the figure: 1. a fixed base; 2. a base; 3. a protective box; 4. moving the plate; 5. a circuit breaker main body; 6. a limiting plate; 7. a box door; 8. a wire outlet hole; 9. mounting a rod; 10. mounting the cylinder; 11. rotating the U-shaped rod; 12. a transverse bar; 13. fixing a sleeve; 14. fixing the spring; 15. an anti-slip sleeve; 16. a heat-dissipating web; 17. a guard plate; 18. a temperature sensor; 19. an electric fan; 20. a warning board.

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.

Referring to fig. 1 to 4, an explosion-proof vacuum circuit breaker comprises a fixed base 1 and a protective box 3, wherein a base 2 is arranged at the top end of the fixed base 1, the protective box 3 is arranged at the top end of the base 2, a movable plate 4 is arranged inside the protective box 3, a breaker main body 5 is fixed at the top end of the movable plate 4, limiting plates 6 are arranged at two sides of the movable plate 4, a box door 7 is arranged at the front side of the protective box 3, a wire outlet hole 8 is arranged on the box door 7, an installation rod 9 is arranged at the bottom end of the base 2, the installation rod 9 is inserted inside an installation cylinder 10, rotary U-shaped rods 11 are arranged at two sides of the installation cylinder 10, the rotary U-shaped rods 11 are clamped on transverse rods 12 on the installation rod 9, a fixed sleeve 13 is arranged outside the installation cylinder 10, a fixed spring 14 is connected between the fixed sleeve 13 and the bottom end of the installation cylinder 10, an anti-skid sleeve 15 is arranged outside the fixed sleeve 13, a heat dissipation net 16 is arranged at an opening of the protective box 3, a baffle 17 is arranged at the side of the protective box 3, a temperature sensor 18 is arranged on the inner side surface of the protective box 3, an electric fan 19 is arranged at the inner top end of the protective box 3, and a warning board 20 is arranged at the top end of the protective box 3;

it is worth mentioning that the bottom end of the movable plate 4 is provided with a sliding roller, the limiting plate 6 is fixedly connected with the movable plate 4 through a bolt, and the movable plate 4 and the limiting plate 6 are arranged, so that the breaker main body 5 can be easily moved into the protective box 3 through the sliding roller after being fixed on the movable plate 4, so as to protect the breaker main body 5, meanwhile, the limiting plate 6 can fix the movable plate 4, so that the movable plate 4 is prevented from shaking, a stabilizing effect is achieved, and the movable plate 4 can be conveniently pulled out during maintenance;

it is worth mentioning that the rotating U-shaped rod 11 is rotatably connected with the mounting cylinder 10 and the rotating U-shaped rod 11 clamps the transverse rod 12 inside, the fixing sleeve 13 is sleeved outside the mounting cylinder 10 and elastically connected with the mounting cylinder 10 through the fixing spring 14, by arranging the rotating U-shaped rod 11, the transverse rod 12, the fixing sleeve 13 and the fixing spring 14, one worker pulls the fixing sleeve 13 downwards during mounting, the other worker inserts the mounting rod 9 at the bottom end of the base 2 into the mounting cylinder 10, then rotates the rotating U-shaped rod 11 upwards to clamp the transverse rod 12, then loosens the fixing sleeve 13, and moves the fixing sleeve 13 upwards under the action of the fixing spring 14 to limit the rotating U-shaped rod 11, so that the mounting is very simple and convenient, and the dismounting is facilitated, and the inspection and maintenance are convenient;

it is worth mentioning that the inner surface of the anti-slip sleeve 15 is mutually bonded with the outer surface of the fixed sleeve 13, the anti-slip sleeve 15 is made of silica gel, and the anti-slip sleeve 15 is arranged, so that the fixed sleeve 13 can be pushed upwards by the fixed spring 14 when the fixed sleeve 13 is pulled downwards, and the anti-slip sleeve 15 can improve the friction force of hands and prevent the occurrence of hand slipping;

it is worth mentioning that the radiating net 16 is connected with the inner wall of the protective box 3 in a clamping manner, the side view area of the guard plate 17 is larger than the area of the radiating net 16, the radiating net 16 and the guard plate 17 are arranged, so that the radiating net 16 can play a role in radiating and ventilating, the clamping connection is convenient to disassemble and clean, and meanwhile, the guard plate 17 can play a role in protecting and preventing the leaves, sand and stones, from entering the protective box 3 through the radiating net 16;

it is worth mentioning that the temperature sensors 18 are electrically connected with the electric fan 19, the electric fans 19 are symmetrically distributed on two sides of the top end inside the protective box 3, and the temperature sensors 18 and the electric fans 19 are arranged, so that the temperature sensors 18 can start and close the electric fans 19 according to the temperature inside the protective box 3, when the heat generated by the breaker main body 5 is overhigh, the temperature sensors 18 can start the electric fans 19 to dissipate heat, and when the temperature is reduced, the electric fans 19 are automatically shut down, so that the equipment loss is greatly reduced, and the service life of the equipment is prolonged;

it is worth mentioning that warning sign 20 is equipped with two and symmetric distribution on the top of protective housing 3, is connected for rotating between warning sign 20 and the protective housing 3, through setting up warning sign 20, is accomplishing the back with the device installation and wiring like this, can overturn two warning signs 20 to the vertical state, prevents passerby touching protective housing 3 through the warning, has all played better guard action to passerby and device body.

The principle of use of the utility model will now be described as follows:

when the utility model is used, firstly, one worker pulls the fixed sleeve 13 downwards when mounting, the other worker inserts the mounting rod 9 at the bottom end of the base 2 into the mounting cylinder 10, then rotates the rotating U-shaped rod 11 upwards to clamp the transverse rod 12, then loosens the fixed sleeve 13, the fixed sleeve 13 moves upwards under the action of the fixed spring 14 to limit the rotating U-shaped rod 11, thus the installation is very simple and convenient, the disassembly is convenient, the inspection and the maintenance are convenient, then the breaker main body 5 is fixed on the movable plate 4, the breaker main body 5 can be easily moved into the protective box 3 through the sliding roller to protect the breaker main body 5, meanwhile, the limiting plate 6 can fix the movable plate 4 to prevent the shaking, the reinforcing and stabilizing effects are achieved, meanwhile, the movable plate 4 is conveniently pulled out when maintaining, and then the box door 7 is closed after the wires are connected through the wire outlet hole 8, after the device installation and wiring are accomplished, can overturn two warning boards 20 to vertical state, prevent passerby touching protective housing 3 through the warning, better guard action has all been played to passerby and device body, at last in the course of the work, radiator-grid 16 can play the effect of heat dissipation ventilation, the block is connected also convenient for dismantle and is washd, fender-grid 17 can play the fender effect simultaneously, prevent that leaf gravel and sand from seeing through radiator-grid 16 and getting into protective housing 3 inside, and temperature sensor 18 can start and close electric fan 19 according to protective housing 3 inside temperature, when circuit breaker main part 5 produced the heat and is too high, temperature sensor 18 can start electric fan 19 heat dissipation, then automatic shut down electric fan 19 when the temperature reduces, greatly reduced the equipment loss like this, extension equipment life.

In the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An explosion-proof vacuum circuit breaker comprises a fixed base (1) and a protection box (3), and is characterized in that a base (2) is arranged at the top end of the fixed base (1), the protection box (3) is arranged at the top end of the base (2), a movable plate (4) is arranged inside the protection box (3), a circuit breaker main body (5) is fixed at the top end of the movable plate (4), limiting plates (6) are arranged on two sides of the movable plate (4), a box door (7) is arranged on the front side of the protection box (3), a wire outlet hole (8) is formed in the box door (7), an installation rod (9) is arranged at the bottom end of the base (2), the installation rod (9) is inserted into an installation cylinder (10), rotary U-shaped rods (11) are arranged on two sides of the installation cylinder (10), and the rotary U-shaped rods (11) are clamped on transverse rods (12) on the installation rod (9), the outside of installation section of thick bamboo (10) is equipped with fixed cover (13), be connected with fixed spring (14) between the bottom of fixed cover (13) and installation section of thick bamboo (10), the outside of fixed cover (13) is equipped with antiskid cover (15), the opening part of protective housing (3) is equipped with radiator-grid (16), the side of protective housing (3) is equipped with fender board (17), the inside side of protective housing (3) is equipped with temperature sensor (18), the inside top of protective housing (3) is equipped with electric fan (19), the top of protective housing (3) is equipped with warning sign (20).

2. The explosion-proof vacuum circuit breaker according to claim 1, wherein the bottom end of the moving plate (4) is provided with a sliding roller, and the limiting plate (6) is fixedly connected with the moving plate (4) through a bolt.

3. An explosion-proof vacuum circuit breaker as claimed in claim 1, characterized in that said rotary U-shaped bar (11) is rotatably connected to the mounting cylinder (10) and the rotary U-shaped bar (11) clamps the transverse bar (12) inside, said fixing sleeve (13) being sleeved outside the mounting cylinder (10) and elastically connected to the mounting cylinder (10) by means of a fixing spring (14).

4. An explosion-proof vacuum circuit breaker according to claim 1, characterized in that the inner face of the anti-slip cover (15) and the outer face of the fixed cover (13) are bonded to each other, the anti-slip cover (15) being made of silicone.

5. Explosion-proof vacuum circuit breaker according to claim 1, characterized in that the heat dissipation network (16) is in snap-fit connection with the inner wall of the protective box (3), and the side view area of the shielding plate (17) is larger than the area of the heat dissipation network (16).

6. Explosion-proof vacuum circuit breaker according to claim 1, characterized in that the temperature sensor (18) is electrically connected to an electric fan (19), and the electric fan (19) is symmetrically disposed on both sides of the top of the interior of the protective box (3).

7. Explosion-proof vacuum circuit breaker according to claim 1, characterized in that the warning board (20) is provided with two places at the top of the protection box (3) and is symmetrically distributed, and the warning board (20) is rotatably connected with the protection box (3).