CN213459555U

CN213459555U - Outdoor vacuum circuit breaker

Info

Publication number: CN213459555U
Application number: CN202023066037.4U
Authority: CN
Inventors: 陈勇; 黄浦; 央姐; 高敏浩; 林景风
Original assignee: Heneng Electric Co ltd
Current assignee: Heneng Electric Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-06-15
Anticipated expiration: 2030-12-18

Abstract

The utility model belongs to the technical field of vacuum circuit breaker, especially, be an outdoor vacuum circuit breaker, the radiating effect is poor when using in the open air to the circuit breaker among the prior art in the time, leads to the overheated damage of electronic component in the circuit breaker easily, has reduced the problem of the life of circuit breaker, now proposes following scheme, and it includes the box, the top fixed mounting of box has the rain cover, and the top fixed mounting of box has the motor, the top of the first pivot of fixedly connected with on the output shaft of motor, and the bottom of first pivot extends to in the box and fixed mounting has the flabellum, and fixed mounting has two first aviation baffles that the slope set up in the box. The utility model has the advantages of reasonable design, be convenient for dispel the heat to the circuit breaker, and can be with even blowing of wind-force to the circuit breaker, the effectual radiating effect that has improved the circuit breaker has improved the life of circuit breaker.

Description

Outdoor vacuum circuit breaker

Technical Field

The utility model relates to a vacuum circuit breaker technical field especially relates to an outdoor vacuum circuit breaker.

Background

The vacuum circuit breaker is named because arc extinguishing media and insulating media of a contact gap 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, 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 circuit breaker in the prior art has poor heat dissipation effect when used outdoors, easily causes overheating damage of electronic elements in the circuit breaker, and reduces the service life of the circuit breaker, so that an outdoor vacuum circuit breaker is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the circuit breaker in the prior art has poor heat dissipation effect when used outdoors, easily leads to the overheated damage of electronic components in the circuit breaker, reduces the shortcoming of the service life of the circuit breaker, and provides an outdoor vacuum circuit breaker.

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

an outdoor vacuum circuit breaker comprises a box body, wherein a rain shield is fixedly installed at the top of the box body, a motor is fixedly installed at the top of the box body, the top end of a first rotating shaft is fixedly connected to an output shaft of the motor, the bottom end of the first rotating shaft extends into the box body and is fixedly provided with fan blades, two first air guide plates which are obliquely arranged are fixedly installed in the box body, a second rotating shaft is rotatably installed at the top of the box body, a first belt pulley and a second belt pulley are fixedly connected to the outer side of the first rotating shaft and the top end of the second rotating shaft respectively, the first belt pulley and the second belt pulley are in transmission connection with the same belt, a cam is fixedly installed at the bottom end of the second rotating shaft and extends into the box body, the inner sides of the two first air guide plates are slidably provided with the same rack, one side of the cam is in rolling contact with one end, the other end fixed connection of spring is on the inner wall of box, and the box rotates in and installs a plurality of second aviation baffles, and the equal fixed mounting in front side of a plurality of second aviation baffles has the gear, and a plurality of racks and a plurality of gear mesh mutually.

Preferably, the front side of the box body is connected with a box door through a hinge, and the front side of the box door is fixedly provided with a handle, so that a breaker can be placed conveniently.

Preferably, the bottom of bracing piece is all fixedly mounted in the top four corners of box, and the top of four bracing pieces all with weather shield fixed connection, the fixed mounting weather shield of being convenient for.

Preferably, the inner wall of the top of the box body is provided with a mounting hole, an outer ring of the bearing is fixedly mounted in the mounting hole, and the second rotating shaft is fixedly sleeved with an inner ring of the bearing and is convenient to rotate and mount.

Preferably, a plurality of rotating rods are rotatably mounted in the box body, and the plurality of second air deflectors and the plurality of gears are fixedly mounted on the outer sides of the corresponding plurality of rotating rods, so that the plurality of second air deflectors and the plurality of gears can be conveniently rotatably mounted.

Preferably, a plurality of louvres have all been seted up to the both sides of box, and a plurality of louvres all are the slope setting, the heat dissipation of being convenient for.

In the utility model, an outdoor vacuum circuit breaker, place the circuit breaker into the box through opening the chamber door, then can drive first pivot through the starter motor and rotate, make first pivot drive the fan blade and rotate and blow, dispel the heat to the circuit breaker, can drive the cam rotation through the transmission connection of first belt pulley, second belt pulley and belt simultaneously, and then can drive the rack and reciprocate and move about through the rolling contact of cam and rack, and the elastic deformation of spring, thus can drive a plurality of gears through the rack and reciprocate and rotate, and then can make a plurality of gears drive the reciprocal swing angle of second aviation baffle, thus can blow wind-force to the circuit breaker evenly, the radiating effect to the circuit breaker is effectively improved;

the utility model has the advantages of reasonable design, be convenient for dispel the heat to the circuit breaker, and can be with even blowing of wind-force to the circuit breaker, the effectual radiating effect that has improved the circuit breaker has improved the life of circuit breaker.

Drawings

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

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

fig. 3 is a schematic structural diagram of a portion a of an outdoor vacuum circuit breaker according to the present invention;

fig. 4 is a schematic structural diagram of a part B of an outdoor vacuum circuit breaker according to the present invention.

In the figure: 1. a box body; 2. a box door; 3. a rain shield; 4. a motor; 5. a first rotating shaft; 6. a fan blade; 7. a first air deflector; 8. a second rotating shaft; 9. a first pulley; 10. a second pulley; 11. a belt; 12. a cam; 13. a rack; 14. clamping a plate; 15. a spring; 16. a second air deflector; 17. a gear; 18. and (4) heat dissipation holes.

Detailed Description

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.

Referring to fig. 1-4, an outdoor vacuum circuit breaker includes a box body 1, a rain shield 3 is fixedly installed on the top of the box body 1, a motor 4 is fixedly installed on the top of the box body 1, the top end of a first rotating shaft 5 is fixedly connected to an output shaft of the motor 4, the bottom end of the first rotating shaft 5 extends into the box body 1 and is fixedly installed with fan blades 6, two first air deflectors 7 which are obliquely arranged are fixedly installed in the box body 1, a second rotating shaft 8 is rotatably installed on the top of the box body 1, a first belt pulley 9 and a second belt pulley 10 are respectively fixedly connected to the outer side of the first rotating shaft 5 and the top end of the second rotating shaft 8, the same belt 11 is rotatably connected to the first belt pulley 9 and the second belt pulley 10, the bottom end of the second rotating shaft 8 extends into the box body 1 and is fixedly installed with a cam 12, the same rack 13 is slidably installed on the inner sides of the two first air deflectors 7, one side, the other end fixedly connected with cardboard 14 of rack 13, the one end of one side fixedly connected with spring 15 of cardboard 14, the other end fixed connection of spring 15 is on the inner wall of box 1, and a plurality of second aviation baffles 16 are installed to the box 1 internal rotation, and the equal fixed mounting in front side of a plurality of second aviation baffles 16 has gear 17, and a plurality of racks 13 mesh with a plurality of gear 17 mutually.

There is chamber door 2 box 1's front side through hinged joint, there is the handle front side fixed mounting of chamber door 2, be convenient for place the circuit breaker, the equal fixed mounting in top four corners of box 1 has the bottom of bracing piece, the top of four bracing pieces all with 3 fixed connection of rain fly, be convenient for fixed mounting rain fly 3, the mounting hole has been seted up on box 1's the top inner wall, fixed mounting has the outer lane of bearing in the mounting hole, second pivot 8 cup joints with the inner circle of bearing is fixed, be convenient for rotate installation second pivot 8, a plurality of dwangs are installed to 1 internal rotation of box, a plurality of second aviation baffles 16 and the outside of a plurality of corresponding dwangs with a plurality of gear 17 fixed mounting, be convenient for rotate installation a plurality of second aviation baffles 16 and a plurality of gear 17, a plurality of louvres 18 have all been seted up to box 1's both sides, a plurality of louvres all.

The utility model discloses in, when using, can place into box 1 with the circuit breaker through opening chamber door 2 in, then can drive first pivot 5 through starter motor 4 and rotate, make first pivot 5 drive flabellum 6 and rotate and blow, dispel the heat to the circuit breaker, simultaneously can be through first belt pulley 9, second belt pulley 10 is connected with belt 11's transmission, can drive cam 12 and rotate, and then can be through cam 12 and rack 13's rolling contact, and spring 15's elastic deformation, can drive about rack 13 is reciprocal, thereby can drive a plurality of gear 17 reciprocal rotations through rack 13, and then can make a plurality of gear 17 drive the 16 reciprocal swing angle of second aviation baffle, thereby can be with even blowing of wind-force to the circuit breaker, the effectual radiating effect to the circuit breaker that has improved.

Claims

1. An outdoor vacuum circuit breaker comprises a box body (1) and is characterized in that a rain shield (3) is fixedly installed at the top of the box body (1), a motor (4) is fixedly installed at the top of the box body (1), the top end of a first rotating shaft (5) is fixedly connected onto an output shaft of the motor (4), the bottom end of the first rotating shaft (5) extends into the box body (1) and is fixedly provided with fan blades (6), two first air deflectors (7) which are obliquely arranged are fixedly installed in the box body (1), a second rotating shaft (8) is rotatably installed at the top of the box body (1), a first belt pulley (9) and a second belt pulley (10) are respectively and fixedly connected onto the outer side of the first rotating shaft (5) and the top end of the second rotating shaft (8), the first belt pulley (9) and the second belt pulley (10) are in transmission connection with the same belt (11), a cam (12) is fixedly installed at the bottom end of the second rotating shaft (8) extends into the box body, the inboard slidable mounting of two first aviation baffles (7) has same rack (13), one side of cam (12) and the one end rolling contact of rack (13), other end fixedly connected with cardboard (14) of rack (13), the one end of one side fixedly connected with spring (15) of cardboard (14), the other end fixed connection of spring (15) is on the inner wall of box (1), a plurality of second aviation baffles (16) are installed to box (1) internal rotation, the equal fixed mounting in front side of a plurality of second aviation baffles (16) has gear (17), a plurality of racks (13) and a plurality of gear (17) mesh mutually.

2. An outdoor vacuum circuit breaker according to claim 1, characterized in that the front side of the box body (1) is connected with a box door (2) through a hinge, and the front side of the box door (2) is fixedly provided with a handle.

3. An outdoor vacuum circuit breaker according to claim 1, characterized in that the four corners of the top of the box body (1) are fixedly provided with the bottom ends of the support rods, and the top ends of the four support rods are fixedly connected with the rain shield (3).

4. An outdoor vacuum circuit breaker according to claim 1, characterized in that the top inner wall of the box body (1) is provided with a mounting hole, an outer ring of the bearing is fixedly mounted in the mounting hole, and the second rotating shaft (8) is fixedly sleeved with an inner ring of the bearing.

5. An outdoor vacuum circuit breaker according to claim 1, characterized in that a plurality of rotating rods are rotatably installed in the box body (1), and a plurality of second air deflectors (16) and a plurality of gears (17) are fixedly installed on the outer sides of the corresponding rotating rods.

6. An outdoor vacuum circuit breaker according to claim 1, characterized in that both sides of the box body (1) are provided with a plurality of heat dissipation holes (18), and the heat dissipation holes (18) are all arranged in an inclined manner.