CN220652775U

CN220652775U - Five-prevention interlocking of high-voltage switch cabinet

Info

Publication number: CN220652775U
Application number: CN202321938319.XU
Authority: CN
Inventors: 许杨
Original assignee: Yingkou Changrun Electrical Engineering Co ltd
Current assignee: Yingkou Changrun Electrical Engineering Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2024-03-22
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses a five-prevention interlocking of a high-voltage switch cabinet, which comprises the following steps: the novel intelligent cabinet temperature control device comprises a cabinet body and an interlocking assembly, wherein the cabinet body is rotationally connected with a door plate, the interlocking assembly is arranged on the right wall of the door plate, a clamping piece is arranged on the inner top surface of the cabinet body, and a clamping groove which is inwards recessed is formed in the lower end surface of the clamping piece; this high tension switchgear is through setting up the interlocking subassembly at the outer wall of door plant, the box body, the part storehouse, the locking axle, the connecting block, the locating part, the through-hole, first knob, the cavity, the gas pitcher, the blast pipe, the nozzle, automatic valve, the installation piece, the movable groove, spacing through-hole, the movable rod, the second knob, the stopper, reset spring, erect the piece, insert the piece, the division board, the backing plate, the bolt, control panel etc. the part structure realizes mistake income live cable storehouse, directly endanger operating personnel's life safety's function.

Description

Five-prevention interlocking of high-voltage switch cabinet

Technical Field

The utility model relates to the technical field of power transmission and distribution equipment, in particular to a five-prevention interlocking of a high-voltage switch cabinet.

Background

The high-voltage switch cabinet is one of important equipment for power transmission and distribution of a power grid in a power system, the five-prevention interlocking is one of safety measures for guaranteeing the power transmission and distribution of the power grid system in the high-voltage switch cabinet, and the prevention of the electrified earthing switch and the prevention of the electrified ground wire closing are important components of the five-prevention interlocking;

the inventor believes that, in the prior art, although there is a switch five-prevention interlocking device capable of meeting the five-prevention interlocking requirement, the existing five-prevention interlocking device directly jeopardizes the life safety of operators due to the fact that the operators enter the electrified cabinet by mistake, so that the prevention of the operators from entering the electrified cable bin by mistake is a key of five-prevention.

Disclosure of Invention

The utility model aims to provide a five-prevention interlocking of a high-voltage switch cabinet so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a five-prevention interlock for a high voltage switchgear comprising: the novel intelligent cabinet temperature control device comprises a cabinet body and an interlocking assembly, wherein the cabinet body is rotationally connected with a door plate, the interlocking assembly is arranged on the right wall of the door plate, a clamping piece is arranged on the inner top surface of the cabinet body, and a clamping groove which is inwards recessed is formed in the lower end surface of the clamping piece;

the interlocking assembly comprises a box body, wherein the box body is respectively provided with a part bin and a cavity, a locking shaft is rotationally connected to the part bin, a connecting block is arranged at one end of the locking shaft extending into the cabinet body, the connecting block is movably arranged in the clamping groove, a limiting piece is arranged on the outer wall of the locking shaft, and a through hole is formed in the limiting piece;

the part bin is internally provided with a mounting block, the mounting block is positioned at the lower end of the locking shaft, the upper end surface of the mounting block is provided with an inward concave movable groove, the right wall in the movable groove is provided with a limiting through hole penetrating through the box body, the limiting through hole is internally and movably connected with a movable rod, the outer wall of the movable rod is provided with a limiting block installed in the limiting through hole, the inner wall of the limiting through hole is provided with a reset spring encircling the movable rod, the left wall of the movable rod is provided with a vertical member, and the left end surface of the vertical member is provided with an inserting block inserted into the through hole.

Preferably, a partition plate is arranged between the part bin and the cavity, a gas tank is arranged in the cavity, an exhaust pipe is arranged at the output end of the gas tank, the exhaust pipe is connected to the inner wall of the cabinet body after being bent, and a nozzle is arranged at the other end of the exhaust pipe.

Preferably, an automatic valve is arranged on the outer wall of the exhaust pipe.

Preferably, a first knob is arranged at one end of the locking shaft penetrating through the outside of the locking shaft.

Preferably, a second knob is arranged at one end of the movable rod penetrating through the outer side of the locking shaft.

Preferably, the outer wall of the box body is symmetrically provided with a base plate, and the base plate is locked on the outer wall of the door plate through a bolt.

Preferably, a control panel is arranged on the outer wall of the box body.

Compared with the prior art, the utility model has the beneficial effects that: this high tension switchgear is through setting up the interlocking subassembly at the outer wall of door plant, the box body, the part storehouse, the locking axle, the connecting block, the locating part, the through-hole, first knob, the cavity, the gas pitcher, the blast pipe, the nozzle, automatic valve, the installation piece, the movable groove, spacing through-hole, the movable rod, the second knob, the stopper, reset spring, erect the piece, insert the piece, the division board, the backing plate, the bolt, control panel etc. the part structure realizes that the mistake goes into the electrified cabinet body, directly endangers operating personnel's life safety's function.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

FIG. 3 is a cross-sectional view of an interlock assembly of the present utility model;

FIG. 4 is an enlarged view of the utility model at A;

FIG. 5 is an enlarged view of the utility model at B;

FIG. 6 is an enlarged view of the utility model at C;

fig. 7 is an enlarged view of the utility model at D.

In the figure: 1. a cabinet body; 11. a door panel; 12. a clamping piece; 121. a clamping groove; 2. an interlock assembly; 21. a case body; 22. a part bin; 221. a locking shaft; 222. a connecting block; 223. a limiting piece; 224. a through hole; 225. a first knob; 23. a cavity; 231. a gas tank; 232. an exhaust pipe; 233. a nozzle; 234. an automatic valve; 24. a mounting block; 241. a movable groove; 242. limiting through holes; 243. a movable rod; 2431. a second knob; 244. a limiting block; 245. a return spring; 246. a vertical member; 247. an insert block; 25. a partition plate; 26. a backing plate; 261. a bolt; 27. and a control panel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: a five-prevention interlock for a high voltage switchgear comprising: the novel intelligent cabinet temperature control device comprises a cabinet body 1 and an interlocking component 2, wherein the cabinet body 1 is rotationally connected with a door plate 11, the interlocking component 2 is installed on the right wall of the door plate 11, a clamping piece 12 is arranged on the inner top surface of the cabinet body 1, and a clamping groove 121 which is recessed inwards is formed in the lower end surface of the clamping piece 12;

the interlocking assembly 2 comprises a box body 21, wherein the box body 21 is respectively provided with a part bin 22 and a cavity 23, a locking shaft 221 is rotationally connected to the part bin 22, a connecting block 222 is arranged at one end of the locking shaft 221 extending into the cabinet body 1, the connecting block 222 is movably arranged in the clamping groove 121, a limiting piece 223 is arranged on the outer wall of the locking shaft 221, and a through hole 224 is formed in the limiting piece 223;

the part bin 22 is internally provided with a mounting block 24, the mounting block 24 is positioned at the lower end of the locking shaft 221, the upper end surface of the mounting block 24 is provided with an inward concave movable groove 241, the right wall in the movable groove 241 is provided with a limiting through hole 242 penetrating through the box body 21, the limiting through hole 242 is internally and movably connected with a movable rod 243, the outer wall of the movable rod 243 is provided with a limiting block 244 installed in the limiting through hole 242, the limiting block 244 and the inner wall of the limiting through hole 242 are provided with a reset spring 245 encircling the movable rod 243, the left wall of the movable rod 243 is provided with a vertical member 246, and the left end surface of the vertical member 246 is provided with an inserting block 247 inserted into the through hole 224.

As a preferred scheme, still further, be equipped with division board 25 between parts storehouse 22 with cavity 23, be equipped with gas pitcher 231 in the cavity 23, the output of gas pitcher 231 is equipped with blast pipe 232, be connected to after buckling of blast pipe 232 the inner wall of cabinet body 1, just the other end of blast pipe 232 is equipped with nozzle 233, and the filling has carbon dioxide gas in the gas pitcher 231 of this design, when the circumstances of unusual appear in cabinet body 1, the blowout carbon dioxide gas that can be timely avoids the cabinet body 1 to appear in the conflagration.

Preferably, an automatic valve 234 is provided on the outer wall of the exhaust pipe 232, which is designed to open the exhaust pipe 232 to exhaust carbon dioxide.

Preferably, a first knob 225 is provided at one end of the locking shaft 221 penetrating through the outside of the locking shaft 221, which is capable of rotating the locking shaft 221.

Preferably, a second knob 2431 is provided at one end of the movable rod 243 penetrating the outside of the locking shaft 221, which is capable of rotating the movable rod 243.

As a preferred solution, the outer wall of the box 21 is symmetrically provided with a pad 26, and the pad 26 is locked on the outer wall of the door panel 11 by a bolt 261, so that the box 21 is convenient to install.

As a preferred solution, the outer wall of the box 21 is provided with a control panel 27, and the control panel 27 is electrically connected with the automatic valve 234 through a wire, so that the automatic valve 234 can be controlled conveniently.

All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted.

When the electric cabinet is used, in order to prevent electrification from entering the cabinet body 1, the second knob 2431 is pulled firstly, so that the movable rod 243 is withdrawn outwards, meanwhile, the limiting block 244 can press the reset spring 245 towards the limiting through hole 242, the insertion block 247 is withdrawn from the through hole 224 of the limiting piece 223, the limitation on the locking shaft 221 is relieved, at the moment, the first knob 225 is rotated, so that the locking shaft 221 rotates, meanwhile, the connecting block 222 is withdrawn from the clamping groove 121 of the clamping piece 12, the limitation on the door plate 11 is relieved, at the moment, the door plate 11 can be opened, and the situation that the electrification cabinet body 1 is wrongly entered is avoided, and the life safety of operators is directly endangered;

when an abnormal condition occurs in the cabinet 1, the automatic valve 234 is opened through the control panel 27, and the carbon dioxide gas in the gas tank 231 is discharged into the cabinet 1 through the exhaust pipe 232, so that the occurrence of a fire condition is greatly avoided.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; meanwhile, unless explicitly specified and limited otherwise, the terms "engaged", "coupled", "plugged", "welded", "mounted", "provided" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A five-prevention interlock for a high voltage switchgear comprising: cabinet body (1) and interlocking subassembly (2), its characterized in that: the novel intelligent cabinet is characterized in that the cabinet body (1) is rotationally connected with a door plate (11), the interlocking assembly (2) is installed on the right wall of the door plate (11), a clamping piece (12) is arranged on the inner top surface of the cabinet body (1), and a clamping groove (121) which is concave inwards is formed in the lower end surface of the clamping piece (12);

the interlocking assembly (2) comprises a box body (21), wherein the box body (21) is respectively provided with a part bin (22) and a cavity (23), a locking shaft (221) is rotationally connected to the part bin (22), a connecting block (222) is arranged at one end of the locking shaft (221) extending into the cabinet body (1), the connecting block (222) is movably arranged in the clamping groove (121), a limiting piece (223) is arranged on the outer wall of the locking shaft (221), and a through hole (224) is formed in the limiting piece (223);

be equipped with installation piece (24) in parts warehouse (22), installation piece (24) are located the lower extreme of locking axle (221), the up end of installation piece (24) is equipped with inside recessed movable groove (241), right wall is equipped with in movable groove (241) runs through spacing through-hole (242) of box body (21), swing joint has movable rod (243) in spacing through-hole (242), the outer wall of movable rod (243) is equipped with installs stopper (244) in spacing through-hole (242), stopper (244) with the inner wall of spacing through-hole (242) is equipped with and encircles reset spring (245) of movable rod (243), the left wall of movable rod (243) is equipped with erects piece (246), the left end face of erectting piece (246) is equipped with inserts in through-hole (224) insert piece (247).

2. The five-prevention interlock of a high voltage switchgear of claim 1 wherein: be equipped with division board (25) between parts storehouse (22) with cavity (23), be equipped with gas pitcher (231) in cavity (23), the output of gas pitcher (231) is equipped with blast pipe (232), blast pipe (232) are connected to after buckling the inner wall of cabinet body (1), just the other end of blast pipe (232) is equipped with nozzle (233).

3. The five-prevention interlock of a high voltage switchgear as claimed in claim 2, wherein: an automatic valve (234) is arranged on the outer wall of the exhaust pipe (232).

4. The five-prevention interlock of a high voltage switchgear of claim 1 wherein: one end of the locking shaft (221) penetrating through the outside of the locking shaft (221) is provided with a first knob (225).

5. The five-prevention interlock of a high voltage switchgear of claim 1 wherein: one end of the movable rod (243) penetrating through the outside of the locking shaft (221) is provided with a second knob (2431).

6. The five-prevention interlock of a high voltage switchgear of claim 1 wherein: the outer wall of the box body (21) is symmetrically provided with a base plate (26), and the base plate (26) is locked on the outer wall of the door plate (11) through bolts (261).

7. The five-prevention interlock of a high voltage switchgear of claim 1 wherein: the outer wall of the box body (21) is provided with a control panel (27).