CN212136342U

CN212136342U - Novel indoor vacuum circuit breaker

Info

Publication number: CN212136342U
Application number: CN202021365589.2U
Authority: CN
Inventors: 黄康宁
Original assignee: Hebei Biote Electric Appliance Co ltd
Current assignee: Hebei Biot Electric Co.,Ltd.
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-12-11
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a novel indoor vacuum circuit breaker, including the box, the both sides of box are equipped with the thermovent, and it has the apron to slide on the box to peg graft, and the apron passes through bolt fixed connection on the box, is equipped with the vacuum circuit breaker body in the box, is equipped with the motor on the box, and the lower extreme of motor is equipped with the threaded rod, and the lower extreme of threaded rod is equipped with the turning block, and the turning block passes through the turn trough and rotates to be connected in the box. The vacuum circuit breaker can drive the threaded rod to rotate through the motor, so that the internal thread block moves up and down, and the fan is driven to move up and down to blow air, so that cold air can quickly discharge heat generated by the vacuum circuit breaker body from the heat dissipation port, and the vacuum circuit breaker body is effectively cooled; this vacuum circuit breaker can carry out the maintenance and the change of vacuum circuit breaker body and fan through the operation mouth, can fix the apron on the operation mouth through the bolt after the use, effectively protects the vacuum circuit breaker body.

Description

Novel indoor vacuum circuit breaker

Technical Field

The utility model belongs to the technical field of vacuum circuit breaker, specifically be a novel indoor 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 vacuum circuit breaker is an indoor power distribution device in a 3-10kV 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-placed cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.

The indoor high-voltage vacuum circuit breaker disclosed by the license publication number CN 208208647U comprises a box body and a vacuum circuit breaker body, wherein the vacuum circuit breaker body is fixed in an inner cavity of the box body through a support, a plurality of radiating holes are formed in the box body, a fan is arranged on one side of the vacuum circuit breaker body in the inner cavity of the box body, the bottom of the fan is fixedly connected with a vertical rod, a circular pipe is vertically fixed at the bottom of the inner cavity of the box body below the vertical rod, the vertical rod penetrates through the circular pipe, and the vertical rod can slide up and down in the circular; the utility model discloses a setting of fan to and reciprocate the setting to the fan, compare with prior art only simple mode to the box design thermovent, reciprocating of the device fan makes the continuous disturbance of air current change in the box, makes under the condition of using less fan noise abatement, can realize better heat dissipation to high-pressure vacuum circuit breaker.

This patent device fan reciprocates, makes the continuous disturbance of air current change in the box, makes under the condition of using less fan noise reduction, can realize better heat dissipation to high-pressure vacuum circuit breaker, but the mode that reciprocates of this fan is comparatively complicated, because the structure more appears the phenomenon of blocking very easily, seriously influences reciprocating of fan to can not maintain and change vacuum circuit breaker and fan, it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel indoor vacuum circuit breaker to solve the inconvenient problem of vacuum circuit breaker.

In order to achieve the above object, the utility model provides a following technical scheme: a novel indoor vacuum circuit breaker comprises a box body, wherein heat dissipation ports are arranged on two sides of the box body, the heat dissipation ports on the two sides are positioned on the same horizontal plane, a cover plate is inserted on the box body in a sliding mode and can plug an operation port on the box body, the position of the cover plate is fixed on the box body through a bolt, the cover plate is fixedly connected to the box body through the bolt, a vacuum circuit breaker body is arranged in the box body and is fixedly installed on the inner wall of the box body, a motor is arranged on the box body and is fixedly welded at the upper end of the right side of the box body, a threaded rod is arranged at the lower end of the motor, the motor can drive the threaded rod to rotate in the forward direction and the reverse direction, a rotating block is arranged at the lower, the sectional area of changeing the piece is the same with the sectional area size of changeing the groove for change the piece spacing in changeing the inslot, change the piece and can only rotate at changeing the inslot, make the threaded rod can carry out stable rotation.

Preferably, the box body is internally provided with two fixing rods which are respectively arranged at the left end and the right end of the threaded rod, and the upper end and the lower end of each fixing rod are welded on the inner wall of the box body.

Preferably, threaded connection has the internal thread piece on the threaded rod, and internal thread piece threaded connection is on the threaded rod for the internal thread piece can only remove along with the threaded rod.

Preferably, the inner side of the inner thread block is slidably connected to the outer surface of the fixing rod, and the two ends of the inner thread block are limited on the fixing rods on the two sides, so that the inner thread block can only slide up and down along the fixing rods on the two sides, and the inner thread block cannot rotate along with the threaded rod.

Preferably, the outer side of the internal thread block is provided with a fixing plate, and the fixing plate is welded on the outer side of the internal thread block to ensure that the fixing plate can move along with the internal thread block.

Preferably, the sound absorption cotton is arranged on the rear side of the fixing plate and fixedly bonded on the rear side of the fixing plate, and the sound absorption cotton can absorb sound, so that the fixing plate can absorb noise, and the generated noise is reduced; the surface designed by the sound-absorbing cotton is in the shape of pores, concave-convex or hair bundles, so that the propagation energy of noise can be greatly consumed, and the sound-absorbing cotton has a good sound-absorbing effect.

Preferably, the front side of fixed plate is equipped with the fan, and fan fixed mounting is on the fixed plate, conveniently blows to the vacuum circuit breaker body, is convenient for blow off the heat that the vacuum circuit breaker body produced through the thermovent.

Compared with the prior art, the beneficial effects of the utility model are that: 1. this vacuum circuit breaker can drive the threaded rod through the motor and rotate for the internal thread piece reciprocates, drives the fan and reciprocates and bloies, makes cold wind discharge the heat that the vacuum circuit breaker body produced from the thermovent fast, effectually dispels the heat to the vacuum circuit breaker body.

2. This vacuum circuit breaker can carry out the maintenance and the change of vacuum circuit breaker body and fan through the operation mouth, can fix the apron on the operation mouth through the bolt after the use, effectively protects the vacuum circuit breaker body.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a front cross-sectional view of the present invention;

fig. 4 is a side cross-sectional view of the present invention;

fig. 5 is a schematic side view of the fixing plate of the present invention.

In the figure: 1. a box body; 11. a heat dissipation port; 21. a cover plate; 22. a bolt; 3. a vacuum circuit breaker body; 41. a motor; 42. a threaded rod; 43. rotating the block; 44. rotating the groove; 45. fixing the rod; 46. an internal thread block; 47. a fixing plate; 48. sound-absorbing cotton; 49. a fan.

Detailed Description

Referring to fig. 1-5, a novel indoor vacuum circuit breaker includes a box body 1, heat dissipation ports 11 are disposed on two sides of the box body 1, the heat dissipation ports 11 are disposed on two sides of the box body 1, and the heat dissipation ports 11 on the two sides are located on the same horizontal plane, a cover plate 21 is slidably inserted on the box body 1, the cover plate 21 can close an operation port on the box body 1, and the position of the cover plate 21 is fixed on the box body 1 by bolts 22, the cover plate 21 is fixedly connected to the box body 1 by bolts 22, a vacuum circuit breaker body 3 is disposed in the box body 1, the vacuum circuit breaker body 3 is fixedly mounted on an inner wall of the box body 1, a motor 41 is disposed on the box body 1, the motor 41 is fixedly welded on an upper end of a right side of the box body 1, a threaded rod 42 is disposed at a lower end of the motor 41, the motor 41 can drive the threaded rod, the rotating block 43 is rotatably connected in the box body 1 through the rotating groove 44, the sectional area of the rotating block 43 is the same as that of the rotating groove 44, so that the rotating block 43 is limited in the rotating groove 44, the rotating block 43 can only rotate in the rotating groove 44, and the threaded rod 42 can stably rotate.

Referring to fig. 2, 3, 4 and 5, two fixing rods 45 are disposed in the box body 1, the two fixing rods 45 are respectively disposed at the left and right ends of the threaded rod 42, and the upper and lower ends of the fixing rods 45 are welded to the inner wall of the box body 1.

Referring to fig. 2, 3, 4 and 5, an internal thread block 46 is threadedly coupled to the threaded rod 42, and the internal thread block 46 is threadedly coupled to the threaded rod 42 such that the internal thread block 46 can only move with the threaded rod 42.

Referring to fig. 2, 3, 4 and 5, the inner side of the internal thread block 46 is slidably connected to the outer surface of the fixing rod 45, and two ends of the internal thread block 46 are limited on the fixing rods 45 at two sides, so that the internal thread block 46 can only slide up and down along the fixing rods 45 at two sides, and the internal thread block 46 cannot rotate along with the threaded rod 42.

Referring to fig. 2, 3, 4 and 5, a fixing plate 47 is disposed on an outer side of the internal thread block 46, and the fixing plate 47 is welded to the outer side of the internal thread block 46 to ensure that the fixing plate 47 can move along with the internal thread block 46.

Referring to fig. 2, 3, 4 and 5, the sound-absorbing cotton 48 is disposed on the rear side of the fixing plate 47, and the sound-absorbing cotton 48 is fixedly bonded to the rear side of the fixing plate 47, so that the fixing plate 47 can absorb noise and the generated noise is reduced because the sound-absorbing cotton 48 can absorb the sound; the surface of the sound-absorbing cotton 48 is designed to be porous, concave-convex or flocked, so that the propagation energy of noise can be greatly consumed, and the sound-absorbing cotton 48 has a good sound-absorbing effect.

Referring to fig. 2, 3, 4 and 5, a blower 49 is disposed at a front side of the fixing plate 47, and the blower 49 is fixedly mounted on the fixing plate 47 to blow air to the vacuum circuit breaker body 3 and blow out heat generated by the vacuum circuit breaker body 3 through the heat dissipating port 11.

The working principle of the scheme is as follows: when the air blower is used, firstly, the motor 41 and the fan 49 are opened, the fan 49 blows air to the left side, meanwhile, the motor 41 drives the threaded rod 42 to rotate forwards and reversely, the motor 41 is controlled by the PLC to rotate forwards for a period of time and then rotate reversely for a period of time, and the motor moves alternately, because the two ends of the inner threaded block 46 are limited by the fixing rod 45, the inner threaded block 46 can only slide up and down and cannot rotate along with the threaded rod 42, meanwhile, the rotating block 43 at the lower end of the threaded rod 42 rotates in the rotating groove 44, the threaded rod 42 can be ensured to rotate stably, the inner threaded block 46 can move up and down, the fan 49 on the fixing plate 47 is driven to move up and down, meanwhile, air blowing operation is carried out, heat of the vacuum circuit breaker body 3 is blown out from the heat dissipation port 11, heat dissipation of the vacuum circuit breaker body 3, thereby making it possible for the fixed plate 47 to absorb noise, so that the generated noise becomes small; the surface of the sound-absorbing cotton 48 is designed to be in a pore, concave-convex or hair bundle shape, so that the propagation energy of noise can be greatly consumed, the sound-absorbing cotton 48 has a good sound-absorbing effect, and the noise generated by the fan 49 can be effectively absorbed; simultaneously when fan 49 or vacuum circuit breaker body 3 need be changed and the maintenance, can screw down bolt 22, take out apron 21 from the operation mouth on the box 1, vacuum circuit breaker body 3 and fan 49 in the box 1 repair and change can, and the completion back is covered apron 21 on the operation mouth, and it is fixed with apron 21 position to spin up bolt 22.

Claims

1. A novel indoor vacuum circuit breaker comprises a box body (1), and is characterized in that: the improved vacuum circuit breaker is characterized in that heat dissipation ports (11) are arranged on two sides of the box body (1), a cover plate (21) is connected to the box body (1) in a sliding and inserting mode, the cover plate (21) is fixedly connected to the box body (1) through bolts (22), a vacuum circuit breaker body (3) is arranged in the box body (1), a motor (41) is arranged on the box body (1), a threaded rod (42) is arranged at the lower end of the motor (41), a rotating block (43) is arranged at the lower end of the threaded rod (42), and the rotating block (43) is connected into the box body (1) in a rotating mode through a rotating groove.

2. A novel indoor vacuum circuit breaker according to claim 1, characterized in that: a fixing rod (45) is arranged in the box body (1).

3. A novel indoor vacuum circuit breaker according to claim 1, characterized in that: an inner thread block (46) is connected to the threaded rod (42) in a threaded manner.

4. A novel indoor vacuum circuit breaker according to claim 3, characterized in that: the inner side of the internal thread block (46) is connected with the outer surface of the fixing rod (45) in a sliding way.

5. A novel indoor vacuum circuit breaker according to claim 3, characterized in that: and a fixing plate (47) is arranged on the outer side of the internal thread block (46).

6. A novel indoor vacuum circuit breaker according to claim 5, characterized in that: the rear side of the fixed plate (47) is provided with sound absorption cotton (48).

7. A novel indoor vacuum circuit breaker according to claim 5, characterized in that: the front side of the fixed plate (47) is provided with a fan (49).