CN211088155U - Outdoor high-voltage vacuum circuit breaker - Google Patents

Abstract

The utility model discloses an outdoor high-voltage vacuum circuit breaker, it includes bottom plate, circuit breaker body and protection casing, and the baffle is divided into two formation heat dissipation chambeies and installation cavity with the protection casing, sets up the circuit breaker body in the installation cavity, is provided with heat abstractor at the heat dissipation intracavity, dispels the heat to circuit breaker body and protection casing inside through this heat abstractor, the utility model discloses whole beneficial effect is: the protective cover can protect the circuit breaker body; the heat dissipation device can dissipate heat and cool the interior of the circuit breaker body and the protective cover, and the circuit breaker body is always in a good working environment, so that the service life of the circuit breaker body is effectively prolonged.

Description

Outdoor high-voltage vacuum circuit breaker

Technical Field

The utility model relates to a power equipment field specifically is an outdoor high-pressure vacuum circuit breaker.

Background

With the rapid development of economy, the power consumption of various industries is increased sharply, the structure and the load of a power grid are increasingly complex, and higher requirements on power supply safety and reliability are provided for protecting circuit equipment and personal safety.

The most common of them is the high-voltage vacuum circuit breaker, because its workplace is in the open air, the wind blows the rain and the sun will make its part age faster, the life is not long. High-voltage vacuum circuit breakers with protective covers have thus appeared in the market, which enable a good protective action to be performed on the circuit breaker body. But simultaneously, because the existence of protection casing, the heat that the circuit breaker body during operation produced can't in time be discharged, and harm is great.

SUMMERY OF THE UTILITY MODEL

Not enough to the aforesaid, the utility model provides an outdoor high-pressure vacuum circuit breaker, its protection casing can effectually avoid the circuit breaker body not receive adverse circumstances to influence to through heat abstractor, can in time discharge the heat that circuit breaker body work produced, make circuit breaker body operational environment good.

In order to achieve the purpose, the utility model discloses a realize through following technical scheme: an outdoor high-voltage vacuum circuit breaker comprises a bottom plate, a radiator body and a protective cover, wherein the interior of the protective cover is separated by a partition plate to form a heat dissipation cavity and an installation cavity, and the circuit breaker body is fixedly arranged in the installation cavity; the heat dissipation device comprises a motor fixedly arranged in the heat dissipation cavity, and a driving bevel gear is fixedly connected to an output shaft of the motor; a transmission shaft is rotatably erected on the side walls of the partition plate and the protective cover and penetrates through the partition plate to extend into the mounting cavity, a driven bevel gear is fixedly connected to the transmission shaft, and the driving bevel gear is in meshing transmission with the driven bevel gear; the end part of the transmission shaft is fixedly connected with a blade; the side wall and the partition plate are provided with a plurality of air guide openings in a penetrating manner, and through holes communicated with the outside are formed in the installation cavity; the bottom plate link up and is provided with the wiring hole, and the wire passes wiring hole electricity is connected to the circuit breaker body.

In the technical scheme, the air guide opening of the side wall is obtained by blanking and forming, and the inclined downward rain blocking plate is formed.

In the above technical solution, the through hole penetrates through the bottom plate.

In the above technical solution, a buffer mechanism is arranged between the circuit breaker body and the bottom plate, and the buffer mechanism has more than three groups.

In the above technical solution, each group of buffer mechanisms includes a support rod fixedly connected to the bottom of the circuit breaker body, and a press block is fixedly connected to the head of the support rod; the supporting seat is fixedly connected onto the bottom plate, the pressing block is movably arranged in the supporting seat, and an elastic piece is arranged between the bottom plate and the pressing block in a cushioning mode.

In the above technical solution, the elastic member is a compression spring.

Compared with the prior art, the beneficial effects of the utility model reside in that: the protective cover can prevent the circuit breaker body from being in a severe environment; can in time discharge the heat in the protection casing through heat abstractor, the circuit breaker body is difficult for receiving high temperature harm, can its life of effectual extension.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of the portion B in fig. 1.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

With reference to fig. 1, 2 and 3, an outdoor high-voltage vacuum circuit breaker comprises a bottom plate 1, a circuit breaker body 12 and a protective cover 2, wherein the protective cover 2 is covered and connected with the bottom plate 1 to separate the circuit breaker body 12 from the outside, so that the circuit breaker body 12 is prevented from being influenced by severe weather environment, and the service life of the circuit breaker body 12 can be effectively prolonged.

In the present embodiment, the shield case 2 is provided with a partition 20, and the partition 20 divides the shield case into two parts to form two cavities, including a heat dissipation cavity 22 and a mounting cavity 23. The breaker body 12 is arranged in the installation cavity 23, the heat dissipation device 3 is mostly arranged in the heat dissipation cavity 22, and the breaker body 12 in the installation cavity 23 is cooled through the heat dissipation device 3. The heat sink 3 is as follows: a motor 30 is fixedly disposed in the heat dissipation chamber 22, and a drive bevel gear 32 is fixedly disposed on an output shaft 31 of the motor 30 to provide a rotational force. A rotatable transmission shaft 4 (a bearing provides support) is erected between the partition plate 20 and the side wall 21 of the protective cover 2, and a driven bevel gear 40 is fixedly arranged on the transmission shaft 4, wherein the driven bevel gear 40 is in meshing transmission with the driving bevel gear 32. The transmission shaft 4 penetrates through the partition plate 20 into the installation cavity 23, and blades 41 are fixedly arranged on the part of the transmission shaft 4; a plurality of air guide openings 5 are formed in the side wall 21 of the protective cover 2 and the partition plate 20, so that air flow can pass through the air guide openings conveniently; a plurality of through holes 10 for forming convection are formed through the bottom plate 1, so that the convection speed can be increased.

In the present embodiment, the plurality of air guiding openings 5 of the side wall 21 of the protection cover 2 are obtained by blanking, and the bent portion forms the rain blocking plate 50 which is inclined downwards, so that moisture can be effectively prevented from invading into the protection cover 2 through the air guiding openings 5.

The specific working process is as follows: the motor 30 is powered on, the output shaft 31 and the output shaft 31 rotate to drive the driven bevel gear 40, the transmission shaft 4 and the blades 41 to rotate correspondingly and generate negative pressure, air enters the heat dissipation cavity 22 through the air guide opening 5 of the side wall 21 and then enters the installation cavity 23 through the air guide opening 5 of the partition plate 20, flowing air can play a role in cooling the breaker body 12 and is discharged out of the installation cavity 23 through the through hole 10 in the bottom plate 1.

In the present embodiment, the installation of the breaker body 12 is fixed by three or more sets of the damping mechanisms 6, wherein each set of the damping mechanisms 6 includes: a support rod 60 fixedly linked to the bottom of the breaker body 12, and a pressing block 61 connected to the head of the support rod 60; a support base 62 is fixed to the bottom plate 1, the press block 61 is positioned in the support base 62 and is movable up and down in the support base, and an elastic member 63 is provided in the support base 62, and the press block 61, the support rod 60, and the breaker body 12 are supported by the elastic member 63.

In the present embodiment, a wiring hole 11 is provided through the bottom plate 1, and a wire is electrically connected to the breaker body 12 through the wiring hole 11.

In the present embodiment, the elastic member 63 is a high-strength compression spring, which can make the breaker body 12 have a strong buffering effect.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. The utility model provides an outdoor high-voltage vacuum circuit breaker, its includes bottom plate (1), radiator body and protection casing (2), its characterized in that: the interior of the protective cover (2) is partitioned by a partition plate (20) to form a heat dissipation cavity (22) and an installation cavity (23), and the breaker body (12) is fixedly arranged in the installation cavity (23); the heat dissipation device (3) comprises a motor (30) fixedly arranged in the heat dissipation cavity (22), and a driving bevel gear (32) is fixedly connected to an output shaft (31) of the motor (30); a transmission shaft (4) is rotatably erected on the partition plate (20) and the side wall (21) of the protective cover (2) and penetrates through the partition plate (20) to extend into an installation cavity (23), a driven bevel gear (40) is fixedly connected to the transmission shaft (4), and the driving bevel gear (32) is in meshing transmission with the driven bevel gear (40); the end part of the transmission shaft (4) is fixedly connected with a blade (41); the side wall (21) and the partition plate (20) are provided with a plurality of air guide openings (5) in a penetrating manner, and through holes (10) communicated with the outside are formed in the mounting cavity (23); the bottom plate (1) is provided with a wiring hole (11) in a penetrating mode, and a lead penetrates through the wiring hole (11) and is electrically connected to the breaker body (12).

2. An outdoor high-voltage vacuum circuit breaker according to claim 1, characterized in that: the air guide opening (5) of the side wall (21) is obtained by blanking and forming, and an obliquely downward rain blocking plate (50) is formed.

3. An outdoor high-voltage vacuum circuit breaker according to claim 1, characterized in that: the through hole (10) penetrates through the bottom plate (1).

4. An outdoor high-voltage vacuum circuit breaker according to any one of claims 1-3, characterized in that: a buffer mechanism (6) is arranged between the breaker body (12) and the bottom plate (1), and more than three groups of buffer mechanisms (6) are arranged.

5. An outdoor high-voltage vacuum circuit breaker according to claim 4, characterized in that: each group of buffer mechanisms (6) comprises a supporting rod (60) fixedly connected to the bottom of the breaker body (12), and a pressing block (61) is fixedly connected to the head of the supporting rod (60); fixedly connected with supporting seat (62) on bottom plate (1), briquetting (61) activity sets up in supporting seat (62) bottom plate (1) with fill up between briquetting (61) and be equipped with elastic component (63).

6. An outdoor high-voltage vacuum circuit breaker according to claim 5, characterized in that: the elastic piece (63) is a compression spring.

Images