CN212543092U

CN212543092U - Low-voltage switchgear safety device

Info

Publication number: CN212543092U
Application number: CN202021318984.5U
Authority: CN
Inventors: 刘芳龄; 李会
Original assignee: Individual
Current assignee: Tianjin Oushineng New Energy Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-12
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a safety protection device of a low-voltage switch cabinet, the outer side top wall of a box body is fixedly connected with a first spring, the first spring is sleeved with a first rod body, one end of the first rod body, which is far away from the box body, is fixedly connected with a connecting block, and the lower surface of the connecting block is symmetrically and fixedly connected with two second rod bodies; through the first spring, the first body of rod, even the piece, the second body of rod, the third body of rod, first sleeve, the second spring, the second sleeve, the fourth body of rod, the block rubber, the cooperation of the fifth body of rod and third spring, when the block rubber receives the impact, can be through the fifth body of rod extrusion third spring, even first spring of block extrusion and the second body of rod extrusion second spring, make it take place elastic deformation, then first spring, the second spring, can produce elastic potential energy after the third spring takes place elastic deformation, thereby consume the impact that the block rubber received, and then avoided the inside electronic component of box to take place the problem of damage.

Description

Low-voltage switchgear safety device

Technical Field

The utility model relates to a low-voltage switchgear technical field specifically is a low-voltage switchgear safety device.

Background

As is well known, a switch cabinet is mainly used for opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy in an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.

The invention is disclosed in China: a low-voltage draw-out type switch cabinet with a heat dissipation mechanism (publication number: CN208209335U) discloses a low-voltage draw-out type switch cabinet with a heat dissipation mechanism, which has the advantages of simple structure, low cost, easy maintenance and convenient use, but has certain problems;

the existing switch cabinet does not have a good protection device for the top, and when the top of the switch cabinet is impacted, the electronic elements in the switch cabinet are damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a low-voltage switchgear safety device.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a safety protection device of a low-voltage switch cabinet comprises a box body, wherein a first spring is fixedly connected to the top wall of the outer side of the box body, a first rod body is sleeved on the first spring, a connecting block is fixedly connected to one end, far away from the box body, of the first rod body, two second rod bodies are symmetrically and fixedly connected to the lower surface of the connecting block, a third rod body is hinged to one end, far away from the connecting block, of the second rod body, a first sleeve is connected to the outer side wall of the third rod body in a sliding mode, a second spring is fixedly connected to the bottom wall of the inner side of the first sleeve, one end, far away from the first sleeve, of the second spring is fixedly connected to one end, far away from the second rod body, of the third rod body, a second sleeve is fixedly connected to the upper surface of the connecting block, a fourth rod body is connected to the inner side wall of the second sleeve in a sliding mode, a rubber block, the one end fixedly connected with third spring of block rubber is kept away from to the fifth body of rod, the equal fixedly connected with set-square in both sides of second sleeve outer wall, the one end fixed connection in the upper surface of set-square that the fifth body of rod was kept away from to the third spring.

Preferably, the two sides of the outer wall of the box body are provided with through grooves, and the inner side walls of the through grooves are provided with heat dissipation fans.

Preferably, one side of the outer wall of the box body, which is close to the through groove, is fixedly connected with a dust screen through screws.

Preferably, the outer side wall of the box body is hinged with a box door, and the front surface of the box door is fixedly connected with a door handle.

Preferably, the front surface of the box door is fixedly connected with an observation window.

Preferably, a switch is mounted on the front surface of the box door, and an electrical output end of the switch is electrically connected with an electrical input end of the heat dissipation fan.

(III) advantageous effects

Compared with the prior art, the utility model provides a low-voltage switchgear safety device possesses following beneficial effect:

this low-voltage switchgear safety device, through first spring, the first body of rod, even the piece, the second body of rod, the third body of rod, first sleeve, the second spring, the second sleeve, the fourth body of rod, the block rubber, the cooperation of the fifth body of rod and third spring, when the block rubber receives the impact, can be through the fifth body of rod extrusion third spring, even first spring of piece extrusion and the second body of rod extrusion second spring, make it take place elastic deformation, then first spring, the second spring, can produce elastic potential energy after elastic deformation takes place for the third spring, thereby consume the impact that the block rubber received, and then avoided the inside electronic component of box to take place the problem of damaging.

Drawings

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

fig. 2 is a schematic view of a connection structure of the first spring, the first rod, the connecting block and the second sleeve of the present invention;

fig. 3 is a schematic view of the connection structure of the box body and the box door of the present invention.

In the figure: 1. a box body; 2. a box door; 3. a first spring; 4. a first rod body; 5. connecting blocks; 6. a second rod body; 7. a third rod body; 8. a first sleeve; 9. a second spring; 10. a second sleeve; 11. a fourth rod body; 12. a rubber block; 13. a fifth rod body; 14. a third spring; 15. a set square; 16. a through groove; 17. a heat dissipation fan; 18. a dust screen; 19. a door handle; 20. an observation window; 21. and (4) switching.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a safety protection device of a low-voltage switch cabinet comprises a box body 1, a first spring 3 is fixedly connected to the top wall of the outer side of the box body 1, a first rod body 4 is sleeved on the first spring 3, a connecting block 5 is fixedly connected to one end, far away from the box body 1, of the first rod body 4, two second rod bodies 6 are symmetrically and fixedly connected to the lower surface of the connecting block 5, one end, far away from the connecting block 5, of each second rod body 6 is hinged to a third rod body 7, a first sleeve 8 is slidably connected to the outer side wall of the third rod body 7, a second spring 9 is fixedly connected to the bottom wall of the inner side of the first sleeve 8, one end, far away from the first sleeve 8, of the second spring 9 is fixedly connected to one end, far away from the second rod body 6, of the third rod body 7, a second sleeve 10 is fixedly connected to the upper surface of the connecting block 5, a fourth rod body 11 is slidably connected, two fifth body of rods 13 of lower surface symmetry fixedly connected with of block rubber 12, the one end fixedly connected with third spring 14 of block rubber 12 is kept away from to fifth body of rod 13, the equal fixedly connected with set-square 15 in both sides of second sleeve 10 outer wall, and the one end fixed connection in set-square 15 of the fifth body of rod 13 is kept away from to third spring 14.

In this embodiment, specifically: through grooves 16 are formed in both sides of the outer wall of the box body 1, and heat dissipation fans 17 are mounted on the inner side walls of the through grooves 16; the heat dissipation fan 17 can dissipate heat from the components inside the case 1.

In this embodiment, specifically: one side of the outer wall of the box body 1, which is close to the through groove 16, is fixedly connected with a dustproof net 18 through screws; by providing the dust-proof net 18, dust can be prevented from entering the inside of the case 1 from the through-groove 16.

In this embodiment, specifically: the outer side wall of the box body 1 is hinged with a box door 2, and the front surface of the box door 2 is fixedly connected with a door handle 19; the door handle 19 can make the door 2 more convenient and labor-saving when being opened or closed.

In this embodiment, specifically: the front surface of the box door 2 is fixedly connected with an observation window 20; the condition in the case 1 can be visually observed through the observation window 20.

In this embodiment, specifically: the switch 21 is arranged on the front surface of the box door 2, and the electrical output end of the switch 21 is electrically connected with the electrical input end of the heat dissipation fan 17; the on or off of the heat dissipation fan 17 can be controlled by a switch 21.

In this embodiment, the types of the heat dissipation fans 17 are all ZD-500.

In summary, the working principle and the working process of the safety protection device for the low-voltage switch cabinet are that, when the upper surface of the rubber block 12 is impacted, the rubber block 12 moves downwards to push the fourth rod 11 to slide towards the inner bottom wall of the second sleeve 10 and push the fifth rod 13 to extrude the third spring 14 to generate elastic deformation, then the second sleeve 10 is stressed to push the connecting block 5 to move downwards, the connecting block 5 moves downwards to push the first spring 3 to generate elastic deformation, meanwhile, the connecting block 5 moves downwards to push the second rod 6 to push the third rod 7 to move towards the inner side of the first sleeve 8 and push the second spring 9 to generate elastic deformation, and then the first spring 3, the second spring 9 and the third spring 14 generate elastic potential energy after elastic deformation, so that the impact on the rubber block 12 is eliminated, and in the using process, the heat dissipation fan 17 is activated by the switch 21 to dissipate heat from the components in the case 1.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low-voltage switchgear safety device, includes box (1), its characterized in that: the outer side top wall of the box body (1) is fixedly connected with a first spring (3), the first spring (3) is sleeved with a first rod body (4), one end, far away from the box body (1), of the first rod body (4) is fixedly connected with a connecting block (5), the lower surface of the connecting block (5) is symmetrically and fixedly connected with two second rod bodies (6), one end, far away from the connecting block (5), of each second rod body (6) is hinged with a third rod body (7), the outer side wall of each third rod body (7) is connected with a first sleeve (8) in a sliding mode, the inner side bottom wall of each first sleeve (8) is fixedly connected with a second spring (9), one end, far away from the first sleeve (8), of each second spring (9) is fixedly connected to one end, far away from the second rod body (6), of each third rod body (7), the upper surface of the connecting block (5) is fixedly connected with a second sleeve (10), the inner side wall of each second sleeve (10) is connected, one end fixedly connected with block rubber (12) of second sleeve (10) is kept away from to the fourth body of rod (11), two fifth bodies of rod (13) of lower surface symmetry fixedly connected with of block rubber (12), one end fixedly connected with third spring (14) of block rubber (12) are kept away from to the fifth body of rod (13), the equal fixedly connected with set-square (15) in both sides of second sleeve (10) outer wall, the one end fixed connection in the upper surface of set-square (15) of the fifth body of rod (13) is kept away from in third spring (14).

2. The low-voltage switch cabinet safety protection device according to claim 1, characterized in that: through grooves (16) are formed in two sides of the outer wall of the box body (1), and heat dissipation fans (17) are mounted on the inner side walls of the through grooves (16).

3. The low-voltage switch cabinet safety protection device according to claim 1, characterized in that: one side of the outer wall of the box body (1) close to the through groove (16) is fixedly connected with a dustproof net (18) through screws.

4. The low-voltage switch cabinet safety protection device according to claim 1, characterized in that: the outer side wall of the box body (1) is hinged with a box door (2), and the front surface of the box door (2) is fixedly connected with a door handle (19).

5. The low-voltage switch cabinet safety protection device according to claim 4, characterized in that: the front surface of the box door (2) is fixedly connected with an observation window (20).

6. The low-voltage switch cabinet safety protection device according to claim 4, characterized in that: the front surface of the box door (2) is provided with a switch (21), and the electrical output end of the switch (21) is electrically connected with the electrical input end of the heat dissipation fan (17).