CN218242647U

CN218242647U - Mechanical interlocking device of full-insulation load switch cabinet

Info

Publication number: CN218242647U
Application number: CN202222474598.0U
Authority: CN
Inventors: 朱瑞; 郑伟强
Original assignee: Guangdong Yihe Electric Co ltd
Current assignee: Guangdong Yihe Electric Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-06
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to the technical field of load switches, and discloses a mechanical interlocking device of a fully-insulated load switch cabinet, which comprises a switch cabinet and a cabinet door, wherein the inner wall of the switch cabinet is respectively and fixedly connected with an electric quantity sensor and a partition plate, and the upper surface of the partition plate is respectively and fixedly connected with a lamp group and an isolating switch; the utility model discloses a be provided with electric quantity sensor, the banks, a controller, warning light and recorder, can cut off the power supply to maintainer and indicate, and supplementary maintainer maintains cubical switchboard inside, whether can detect load switch and close with electric quantity sensor, can detect the electric quantity, indicate maintainer through controller control warning light and recorder, play and reduce maintainer potential safety hazard, the effect of convenient maintenance, effectively avoid maintainer to forget and open isolator, lead to not having the outage or the outage is not thoroughly just open the cabinet door and maintain work, cause the problem of incident easily.

Description

Mechanical interlocking device of full-insulation load switch cabinet

Technical Field

The utility model relates to a load switch technical field specifically is a mechanical interlock of all insulation load switch cabinet.

Background

The load switch is a switching device between a circuit breaker and a disconnecting switch, has a simple arc-extinguishing device, can cut off rated load current and certain overload current, but can not cut off short-circuit current, is generally installed inside a switch cabinet, and most switch cabinets use a mechanical interlocking device.

The utility model discloses a cubical switchboard mechanical interlocking device is disclosed to current grant application number CN201110259692.8, the device is though simple structure, simple to operate, interlock the mechanical interlock that the good reliability and be difficult to arouse the maloperation, but the installation that the above-mentioned device can only realize the cubical switchboard increases interlocking reliability, but the function is more single, open mechanical interlock through the handle when maintaining to cubical switchboard inside, maintenance personal opens isolator earlier, realize the outage, then personnel open the cabinet door and carry out maintenance work, but also can often appear maintenance personal and forget to open isolator, it just begins to carry out maintenance work to cubical switchboard inside electrical components not have the outage, lead to can not remind whether maintenance personal cubical switchboard is inside to cut off the power supply and the outage is not thorough, cause the emergence of accident easily.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a full insulation load switch cabinet machinery interlock possesses when maintaining the switch cabinet is inside, can indicate whether inside outage of maintainer switch cabinet and outage are not thorough, reduces the occurence of failure advantage.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a full insulation load switch cabinet machinery interlock, includes cubical switchboard and cabinet door, the inner wall difference fixedly connected with electric quantity sensor and the division board of cubical switchboard, the upper surface difference fixedly connected with banks and isolator of division board, the inside of cubical switchboard is provided with load switch, fixedly connected with guard flap, controller and handle are distinguished in the front of cabinet door, the inner wall fixedly connected with mechanical interlock body of cabinet door, guard flap's upper surface difference fixedly connected with warning light and phonographic recorder, the controller passes through the wire and is connected with warning light, phonographic recorder, electric quantity sensor and banks electricity respectively, isolator and electric quantity sensor all are connected through wire and load switch electricity, the front of cubical switchboard is articulated with the back activity of cabinet door.

Preferably, two groups of supporting legs are arranged below the switch cabinet, and the top ends of the supporting legs of each group are fixedly connected with the bottom surface of the switch cabinet.

Preferably, both sides face of cubical switchboard all activity hinge joint has the connecting plate, every two screw holes have all been seted up to the surface of connecting plate.

Preferably, the outer side of each connecting plate is provided with a pulling handle, and the outer surface of each pulling handle is fixedly connected with the front face of the connecting plate.

Preferably, the front surface of the protective baffle is movably hinged with a sealing door, and the front surface of the sealing door is fixedly connected with a handle.

Preferably, two chutes are formed in the inner bottom wall of the switch cabinet, and each chute is connected with a sliding block in a sliding manner.

Preferably, the upper surfaces of the two sliding blocks are fixedly connected with a base together, and the upper surface of the base is fixedly connected with the bottom surface of the load switch.

Preferably, each the inside of spout all is provided with the rubber pad, every the surface of rubber pad all with the inner wall fixed connection of spout.

(III) advantageous effects

Compared with the prior art, the utility model provides a full insulation load switch cabinet machinery interlock possesses following beneficial effect:

this mechanical interlock of all insulation load switch cabinet, through being provided with electric quantity sensor, the banks, a controller, warning light and phonographic recorder, can carry out the outage suggestion to maintainer, and supplementary maintainer maintains cubical switchboard inside, whether can detect load switch and close with electric quantity sensor, can detect the electric quantity, control warning light and phonographic recorder through the controller and remind maintainer, throw light on at control banks, increase cubical switchboard inside luminance, make things convenient for maintainer to maintain, realize the purpose that increases mechanical interlock function, play and reduce maintainer potential safety hazard, make things convenient for the effect of maintenance, effectively avoid maintainer to forget to open isolator, lead to not having the outage or the outage just open the cabinet door and carry out maintenance work, cause the problem of incident easily.

Drawings

Fig. 1 is a schematic structural view of a three-dimensional whole mechanical interlocking device of the fully insulated load switch cabinet of the utility model;

fig. 2 is a schematic three-dimensional structure diagram of the controller of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of the switch cabinet of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the sliding chute of the present invention.

In the figure: 1. a switch cabinet; 2. a threaded hole; 3. pulling the handle; 4. a connecting plate; 5. supporting legs; 6. a sealing door; 7. a grip; 8. a handle; 9. a mechanical interlock body; 10. a sound recorder; 11. a warning light; 12. a cabinet door; 13. a controller; 14. a protective baffle; 15. a lamp group; 16. an isolating switch; 17. a partition plate; 18. a load switch; 19. a base; 20. a slider; 21. a chute; 22. a rubber pad; 23. and an electric quantity sensor.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

Referring to fig. 1-4, the present invention: the utility model provides a mechanical interlock of full insulation load switch cabinet, includes cubical switchboard 1 and cabinet door 12, and cubical switchboard 1's inner wall difference fixedly connected with electric quantity sensor 23 and division board 17, cubical switchboard 1's below is provided with two sets of legs 5 that prop, and every group props the top of leg 5 all with cubical switchboard 1's bottom surface fixed connection, through propping leg 5, can effectively support cubical switchboard 1, plays better supporting role.

Division board 17's upper surface is fixedly connected with banks 15 and isolator 16 respectively, and the inside of cubical switchboard 1 is provided with load switch 18, and the equal movable hinge of both sides face of cubical switchboard 1 has connecting plate 4, and two screw holes 2 have all been seted up to the surface of every connecting plate 4, through connecting plate 4 and screw hole 2, can make things convenient for cubical switchboard 1 to connect, play the effect of convenient connection.

The front of cabinet door 12 is fixedly connected with guard flap 14, controller 13 and handle 8 respectively, and the outside of every connecting plate 4 all is provided with the pulling 3, and every pulling is the surface of 3 all with the positive fixed connection of connecting plate 4, through pulling 3, can conveniently stimulate connecting plate 4, reaches better supplementary effect.

The inner wall fixedly connected with mechanical interlock body 9 of cabinet door 12, the upper surface of guard flap 14 is fixedly connected with warning light 11 and phonographic recorder 10 respectively, and guard flap 14's positive activity articulates there is sealing door 6, and sealing door 6's positive fixedly connected with handle 7 through sealing door 6 and handle 7, can conveniently open guard flap 14, reaches the effect that conveniently protects controller 13.

The controller 13 is respectively electrically connected with the warning lamp 11, the recorder 10, the electric quantity sensor 23 and the lamp group 15 through leads, the electric quantity sensor 23 is a detection device, can sense the information of the detected electric quantity, can convert the sensed information into electric signals or other information output in required forms according to a certain rule, and can meet the requirements of information transmission, processing, storage, display, record, control and the like, two sliding grooves 21 are formed in the inner bottom wall of the switch cabinet 1, a sliding block 20 is connected inside each sliding groove 21 in a sliding mode, the stability of the load switch 18 can be improved through the sliding grooves 21 and the sliding block 20, and the load switch 18 can slide out conveniently.

Isolator 16 and electric quantity sensor 23 all are connected through the wire with load switch 18 electricity, the common fixedly connected with base 19 of upper surface of two sliders 20, and load switch 18 can conveniently be connected through base 19 to the upper surface of base 19 and load switch 18's bottom surface fixed connection, plays the effect of conveniently placing load switch 18.

The front of cubical switchboard 1 and the back activity hinge joint of cabinet door 12, the inside of every spout 21 all is provided with rubber pad 22, the surface of every rubber pad 22 all with the inner wall fixed connection of spout 21, through rubber pad 22, can increase the buffering of slider 20, reduce the vibrations nature.

The utility model discloses a theory of operation is: firstly, when the mechanical linkage device needs to be used, the controller 13 can always control the warning lamp 11 to display a red light before maintenance, and control the recorder 10 to play a safe voice at regular time to prompt a maintenance worker that the load switch 18 is in a working state, power-off protection needs to be performed first, the maintenance worker can turn off the load switch 18 through the isolating switch 16, the isolating switch 16 can cut off the power supply of the load switch 18, because the electric quantity sensor 23 can detect the electric quantity of the load switch 18 and transmit the detected electric quantity value to the controller 13 through an electric signal, when the load switch 18 is turned off, the electric quantity sensor 23 detects that the electric quantity value is zero, the electric quantity sensor 23 can correctly judge whether the power supply in the load switch 18 exists or not, the personal safety of the maintenance worker is protected, and the potential safety hazard of the maintenance worker is reduced, controller 13 direct control warning light 11 carries out green light, play safe pronunciation stopping recorder 10, effectively carry out the safe outage suggestion to the maintenance personal, prevent that load switch 18 from having certain electric current to cause the potential safety hazard to the maintenance personal, controller 13 can control banks 15 and throw light on after that, increase 1 inside luminance of cubical switchboard, supplementary maintenance personal maintains 1 inside electrical components of cubical switchboard, increase mechanical interlock safety prompt facility, avoid maintenance personal to forget to open isolator 16, lead to not having the outage or the outage thoroughly just open cabinet door 12 and carry out maintenance work, cause the problem of incident easily, it still has certain electric current effectively to assist maintenance personal to judge load switch 18, increase certain security.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a full insulation load switch cabinet mechanical interlock, includes cubical switchboard (1) and cabinet door (12), its characterized in that: the inner wall of cubical switchboard (1) is fixedly connected with electric quantity sensor (23) and division board (17) respectively, the upper surface of division board (17) is fixedly connected with banks (15) and isolator (16) respectively, the inside of cubical switchboard (1) is provided with load switch (18), the front of cabinet door (12) is fixedly connected with guard flap (14), controller (13) and handle (8) respectively, the inner wall fixedly connected with mechanical interlock body (9) of cabinet door (12), the upper surface of guard flap (14) is fixedly connected with warning light (11) and recorder (10) respectively, controller (13) are connected with warning light (11), recorder (10), electric quantity sensor (23) and banks (15) electricity respectively through the wire, isolator (16) and electric quantity sensor (23) all are connected with load switch (18) electricity through the wire, the front of cubical switchboard (1) is articulated with the back activity of cabinet door (12).

2. The mechanical interlocking device for the all-insulated load switch cabinet according to claim 1, characterized in that: the lower part of the switch cabinet (1) is provided with two groups of supporting legs (5), and the top ends of the supporting legs (5) are fixedly connected with the bottom surface of the switch cabinet (1).

3. The mechanical interlocking device for the all-insulated load switch cabinet according to claim 1, characterized in that: two side faces of the switch cabinet (1) are movably hinged with connecting plates (4), and two threaded holes (2) are formed in the outer surface of each connecting plate (4).

4. The mechanical interlocking device of the fully insulated load switch cabinet according to claim 3, characterized in that: pulling handles (3) are arranged on the outer side of each connecting plate (4), and the outer surface of each pulling handle (3) is fixedly connected with the front face of each connecting plate (4).

5. The mechanical interlocking device of the fully insulated load switch cabinet according to claim 1, characterized in that: the front surface of the protective baffle (14) is movably hinged with a sealing door (6), and the front surface of the sealing door (6) is fixedly connected with a handle (7).

6. The mechanical interlocking device of the fully insulated load switch cabinet according to claim 1, characterized in that: two chutes (21) are formed in the inner bottom wall of the switch cabinet (1), and each chute (21) is connected with a sliding block (20) in a sliding manner.

7. The mechanical interlocking device of the fully insulated load switch cabinet according to claim 6, wherein: the upper surfaces of the two sliding blocks (20) are fixedly connected with a base (19) together, and the upper surface of the base (19) is fixedly connected with the bottom surface of the load switch (18).

8. The mechanical interlocking device of the fully insulated load switch cabinet according to claim 6, wherein: each rubber pad (22) is arranged inside each sliding groove (21), and the outer surface of each rubber pad (22) is fixedly connected with the inner wall of each sliding groove (21).