CN211957570U

CN211957570U - Intelligent air switch with short circuit monitoring and leakage protection structure

Info

Publication number: CN211957570U
Application number: CN202021161019.1U
Authority: CN
Inventors: 王利军; 徐宁; 焦庆春
Original assignee: Zhejiang Lover Health Science and Technology Development Co Ltd
Current assignee: Zhejiang Lover Health Science and Technology Development Co Ltd; Zhejiang University of Science and Technology ZUST
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-11-17
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses an intelligence air switch with short circuit monitoring and earth leakage protection architecture, including main part and fuse, settle in the outside of main part has protection machanism, and the lower extreme central point of main part puts and is fixed with the spliced pole, the lower extreme of spliced pole links up there is the fixed block, the fuse is installed in the inside one side of main part, and the insulating bolt is worn to be equipped with at the both ends of fuse. This intelligent air switch with short-circuit monitoring and earth leakage protection structure is provided with insulating bolt, insulating bolt runs through inside the fuse both ends, fix the fuse in the inside one side of main part, can carry out the monitoring of electric leakage and short circuit to this air switch, guarantee this air switch's in-service use security, insulating bolt fixes the fuse, promote the security when guaranteeing fixed fastness, the later stage of being convenient for is to the dismantlement and the change of fuse, guarantee to electric leakage monitoring and short-circuit protection's continuation and validity, the identical apron of size and main part, guarantee leakproofness between the two.

Description

Intelligent air switch with short circuit monitoring and leakage protection structure

Technical Field

The utility model relates to an air switch technical field specifically is an intelligent air switch with short circuit monitoring and earth leakage protection architecture.

Background

An air switch, also known as an air circuit breaker, is one type of circuit breaker. The switch can be automatically switched off as long as the current in the circuit exceeds the rated current. The air switch is an important electric appliance in a low-voltage distribution network and an electric power dragging system, and integrates control and multiple protection functions. Besides the contact and breaking of the circuit, the protection of short circuit, severe overload and undervoltage, etc. of the circuit or electrical equipment can be realized, and the protection device can also be used for starting the motor infrequently.

Air switch in the market does not have short circuit monitoring and earth leakage protection structure for air switch's the in-service use security is relatively poor, and the condition of short circuit and electric leakage causes the problem of damage to air switch very easily, for this reason, we provide one kind and have short circuit monitoring and earth leakage protection structure's intelligent air switch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligence air switch with short circuit monitoring and earth leakage protection architecture to solve the air switch that provides in the above-mentioned background art and not have short circuit monitoring and earth leakage protection architecture, make air switch's the in-service use security relatively poor, the condition of short circuit and electric leakage causes the problem of damage to air switch very easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligence air switch with short circuit monitoring and earth leakage protection structure, includes main part and fuse, settle in the outside of main part has protection machanism, and the lower extreme central point of main part puts and is fixed with the spliced pole, the lower extreme of spliced pole links up the fixed block, the fuse is installed in the inside one side of main part, and the both ends of fuse wear to be equipped with insulating bolt, the upper end of main part is provided with the terminal, and the lower extreme of main part settles and have lower wiring post, the upper end central point of main part puts and is fixed with the apron, and wears to be equipped with fastening bolt inside the four corners of apron, the inside central point of apron puts the.

Preferably, the protection mechanism comprises a sliding rail, a sliding block, a transparent cover and a limiting block, the sliding block is attached to the outer side of the sliding rail, the transparent cover is connected to the other side of the sliding block, and the limiting block is fixed to one end of the sliding rail.

Preferably, the inner side of the sliding block is groove-shaped, the sliding block is fixedly connected with the transparent cover, and the transparent cover forms a sliding structure through the sliding block and the sliding rail.

Preferably, the connecting column is vertically and fixedly connected with the main body, the connecting column is movably connected with the fixing block, and the main body forms a rotating structure through the connecting column and the fixing block.

Preferably, the insulating bolt penetrates through the inner parts of two ends of the fuse, and the fuse is in threaded connection with the main body through the insulating bolt.

Preferably, the size of the outer opening of the cover plate is matched with the size of the inner opening of the main body, and the cover plate is movably connected with the main body through a fastening bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the intelligent air switch with the short circuit monitoring and leakage protection structure is provided with a sliding block, the inner side of the sliding block is in a groove shape, the sliding block and the transparent cover are fixedly connected, the firmness and the stability of connection between the sliding block and the transparent cover can be ensured, and the situation that the protective effect of the transparent cover is influenced due to looseness in the actual use process can not occur;

the connecting column and the main body are vertically and fixedly connected, the connecting column and the main body which are vertically and fixedly connected guarantee the accuracy of the position between the connecting column and the main body and the firmness and stability of connection, the situation that the using effect of the main body is influenced due to the position deviation in the actual using process is avoided, meanwhile, the direction of the main body can be adjusted by the rotating structure according to the actual mounting situation, the fixed block does not need to be repeatedly disassembled and assembled, and the actual using effect of the air switch is improved;

insulating bolt runs through inside the fuse both ends, fix the fuse in the inside one side of main part, can carry out the monitoring of electric leakage and short circuit to this air switch, guarantee this air switch's in-service use security, fix the fuse through insulating bolt, promote the security when guaranteeing fixed fastness, the later stage of being convenient for is to the dismantlement and the change of fuse, guarantee to the continuation and the validity of electric leakage monitoring and short-circuit protection, the identical apron of size and main part, guarantee the leakproofness between the two.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the transparent cover of the present invention.

In the figure: 1. a main body; 2. a protection mechanism; 201. a slide rail; 202. a slider; 203. a transparent cover; 204. a limiting block; 3. connecting columns; 4. a fixed block; 5. a fuse; 6. an insulating bolt; 7. an upper binding post; 8. connecting a wiring column downwards; 9. a cover plate; 10. fastening a bolt; 11. 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.

Referring to fig. 1-3, the present invention provides a technical solution: an intelligent air switch with a short circuit monitoring and leakage protection structure comprises a main body 1, a protection mechanism 2, a slide rail 201, a slide block 202, a transparent cover 203, a limiting block 204, a connecting column 3, a fixed block 4, a fuse 5, an insulating bolt 6, an upper connecting column 7, a lower connecting column 8, a cover plate 9, a fastening bolt 10 and a switch 11, wherein the protection mechanism 2 is arranged on the outer side of the main body 1, the connecting column 3 is fixed at the central position of the lower end of the main body 1, the protection mechanism 2 comprises the slide rail 201, the slide block 202, the transparent cover 203 and the limiting block 204, the slide block 202 is attached to the outer side of the slide rail 201, the transparent cover 203 is attached to the other side of the slide block 202, the limiting block 204 is fixed at one end of the slide rail 201, the inner side of the slide block 202 is in a groove shape, the slide block 202 is fixedly connected with the transparent cover 203, the transparent cover 203 forms a sliding, the firmness and the stability of connection between the transparent cover 203 and the sliding rail can be ensured, the situation that the protective effect of the transparent cover 203 is affected due to looseness in the actual use process can be avoided, the sliding connection mode is convenient for the disassembly and the assembly of the transparent cover 203, the actual use effect of the air switch is improved, the transparent cover 203 can be well limited by the aid of the limiting block 204 which is arranged in a matched mode, meanwhile, a certain friction force exists between the sliding rail 201 and the sliding block 202, and the transparent cover 203 cannot be displaced under the condition of non-manual pulling;

the lower end of the connecting column 3 is connected with a fixed block 4, the connecting column 3 is vertically and fixedly connected with the main body 1, the connecting column 3 is movably connected with the fixed block 4, the main body 1 forms a rotating structure through the connecting column 3 and the fixed block 4, the connecting column 3 and the main body 1 which are vertically and fixedly connected guarantee the accuracy of the positions of the connecting column 3 and the main body 1 and the firmness and stability of connection, the situation that the use effect of the main body 1 is influenced due to the fact that the positions of the connecting column 3 and the main body 1 deviate in the actual use process is avoided, meanwhile, the rotating structure can adjust the direction of the main body 1 according to the actual installation situation, the fixed block 4 does;

the fuse 5 is arranged on one side inside the main body 1, the two ends of the fuse 5 are penetrated with insulating bolts 6, the upper end of the main body 1 is provided with an upper binding post 7, the lower end of the main body 1 is provided with a lower binding post 8, the upper end center position of the main body 1 is fixed with a cover plate 9, the four corners of the cover plate 9 are penetrated with fastening bolts 10, the inner center position of the cover plate 9 is distributed with switches 11, the outer opening size of the cover plate 9 is matched with the inner opening size of the main body 1, the cover plate 9 forms a movable connection with the main body 1 through the fastening bolts 10, the insulating bolts 6 penetrate through the two ends of the fuse 5, the fuse 5 forms a threaded connection with the main body 1 through the insulating bolts 6, the fuse 5 fixed on one side inside the main body 1 can monitor the electric leakage and the short circuit of the air switch, the actual use safety of the air switch is ensured, promote the security when guaranteeing fixed fastness, the later stage of being convenient for is guaranteed to leakage monitoring and short-circuit protection's continuation and validity to fuse 5's dismantlement and change, and the identical apron of size 9 and main part 1 guarantee the leakproofness between the two.

The working principle is as follows: for the intelligent air switch with the short circuit monitoring and leakage protection structure, firstly, the main body 1 is fixed through the fixing block 4, the connecting column 3 and the main body 1 which are vertically and fixedly connected are ensured to be accurate in position and simultaneously ensure the connection firmness and stability, the condition that the use effect of the main body 1 is influenced due to the position deviation in the actual use process is avoided, meanwhile, the rotating structure can adjust the direction of the main body 1 according to the actual installation condition, the fixing block 4 is not required to be repeatedly disassembled and assembled, the actual use effect of the air switch is improved, the upper wiring column 7 and the lower wiring column 8 are respectively connected with corresponding connecting lines, the fuse 5 (UMK-250 type) fixed on one side in the main body 1 can monitor the leakage and the short circuit of the air switch, the actual use safety of the air switch is ensured, and the fuse 5 is fixed through the insulating bolt 6, the safety is improved while the fixing firmness is ensured, the later-stage disassembly and replacement of the fuse 5 are convenient, the continuity and effectiveness of leakage monitoring and short-circuit protection are ensured, the sealing performance between the cover plate 9 and the main body 1 with identical sizes is ensured, the sliding block 202 and the transparent cover 203 are fixedly connected, can ensure the firmness and stability of the connection between the transparent cover and the base, can not cause the situation that the protection effect of the transparent cover 203 is influenced due to the looseness in the actual use process, the sliding connection mode is convenient for the disassembly and the assembly of the transparent cover 203, the actual using effect of the air switch is improved, the limit block 204 is arranged in a matching way, the transparent cover 203 can be well limited, meanwhile, a certain friction force is provided between the sliding rail 201 and the sliding block 202, the transparent cover 203 cannot be displaced under the condition of non-manual pulling, so that the whole using process of the intelligent air switch with the short circuit monitoring and leakage protection structure is completed.

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 an intelligence air switch with short circuit monitoring and earth leakage protection structure, includes main part (1) and fuse (5), its characterized in that: the utility model discloses a fuse protector, including main part (1), fuse (5), insulating bolt (6), terminal (7) are provided with to the upper end of main part (1), and the lower extreme central point of main part (1) puts and is fixed with spliced pole (3), the lower extreme of spliced pole (3) links up and has fixed block (4), install in main part (1) inside one side fuse (5), and the both ends of fuse (5) are worn to be equipped with insulating bolt (6), the upper end of main part (1) is provided with terminal (7), and the lower extreme of main part (1) settles and have lower wiring post (8), the upper end central point of main part (1) puts and is fixed with apron (9), and inside the wearing and being equipped with fastening bolt (10) in the four corners of apron (9), the.

2. The intelligent air switch with short circuit monitoring and leakage protection structure as claimed in claim 1, wherein: protection machanism (2) are including slide rail (201), slider (202), translucent cover (203) and stopper (204), and the outside laminating of slide rail (201) has slider (202), the opposite side of slider (202) links up translucent cover (203), the one end of slide rail (201) is fixed with stopper (204).

3. The intelligent air switch with short circuit monitoring and leakage protection structure as claimed in claim 2, wherein: the inner side of the sliding block (202) is groove-shaped, the sliding block (202) is fixedly connected with the transparent cover (203), and the transparent cover (203) forms a sliding structure through the sliding block (202) and the sliding rail (201).

4. The intelligent air switch with short circuit monitoring and leakage protection structure as claimed in claim 1, wherein: the connecting column (3) is vertically and fixedly connected with the main body (1), the connecting column (3) is movably connected with the fixing block (4), and the main body (1) forms a rotating structure through the connecting column (3) and the fixing block (4).

5. The intelligent air switch with short circuit monitoring and leakage protection structure as claimed in claim 1, wherein: insulating bolt (6) run through inside fuse (5) both ends, and fuse (5) constitute threaded connection through between insulating bolt (6) and main part (1).

6. The intelligent air switch with short circuit monitoring and leakage protection structure as claimed in claim 1, wherein: the size of the outer opening of the cover plate (9) is matched with the size of the inner opening of the main body (1), and the cover plate (9) is movably connected with the main body (1) through a fastening bolt (10).