CN219535424U

CN219535424U - Cubical switchboard pressure release protective structure

Info

Publication number: CN219535424U
Application number: CN202320402573.1U
Authority: CN
Inventors: 俞伟良; 储昭韦
Original assignee: Suzhou Dawelli Electric Technology Co ltd
Current assignee: Suzhou Dawelli Electric Technology Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-15
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a pressure relief protection structure of a switch cabinet, which relates to the technical field of pressure relief of switch cabinets and comprises a fixed barrel and an induction component; fixed barrel: the front end and the rear end of the circumferential surface are provided with detection assemblies, and the right end of the circumferential surface of the fixed barrel is provided with a pressure relief assembly; and the induction component: contain sealing disk, hide dog, connecting plate and spring, the inside lower extreme of fixed bucket is provided with sealing disk, sealing disk's upper end is fixed with and shelters from the piece, the upper end that hides the dog is fixed with the connecting plate, the upside of connecting plate is fixed with the spring, the upper end of spring is fixed in the inside upper end of fixed bucket, detects the pressure of cubical switchboard inside through setting up response subassembly, detection subassembly contains An Zhuangtong, infrared receiver and infrared transmitter, two corresponding mounting holes have been seted up at the front and back both ends of fixed bucket periphery, can release fast when cubical switchboard internal pressure is too high, avoid the cubical switchboard to appear bursting.

Description

Cubical switchboard pressure release protective structure

Technical Field

The utility model relates to the technical field of pressure relief of a switch cabinet, in particular to a pressure relief protection structure of the switch cabinet.

Background

The switch cabinet is a switch device suitable for electricity occasions, and mainly has the functions of opening, closing, controlling and protecting in the process of generating, transmitting, distributing and converting electric energy of a power system, is mainly applied to various occasions such as power plants, substations, petrochemical industry, factories and mining enterprises, residential communities, high-rise buildings and the like, and is mainly applied to the pressure relief protection structure of the switch cabinet.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the pressure relief protection structure of the switch cabinet, which can be used for rapidly releasing the pressure when the internal pressure of the switch cabinet is too high, so that the explosion of the switch cabinet is avoided, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pressure relief protective structure of a switch cabinet comprises a fixed barrel and an induction component;

fixed barrel: the front end and the rear end of the circumferential surface are provided with detection assemblies, and the right end of the circumferential surface of the fixed barrel is provided with a pressure relief assembly;

and the induction component: contain sealing disk, hide dog, connecting plate and spring, the inside lower extreme of fixed bucket is provided with sealing disk, sealing disk's upper end is fixed with and hides the piece, it is fixed with the connecting plate to hide the upper end of dog, the upside of connecting plate is fixed with the spring, the upper end of spring is fixed in the inside upper end of fixed bucket, detects the pressure of cubical switchboard inside through setting up response subassembly.

Further, the detection component comprises An Zhuangtong, an infrared receiver and an infrared transmitter, two corresponding mounting holes are formed in the front end and the rear end of the circumferential surface of the fixed barrel, the mounting barrel is fixed in the mounting holes, the infrared receiver is mounted in the mounting barrel on the rear side, the infrared transmitter is mounted in the mounting barrel on the front side, the input end of the infrared transmitter is electrically connected with the output end of the PLC controller in the fixed barrel, and the infrared receiver is electrically connected with the PLC controller in the fixed barrel in a bidirectional manner.

Further, the pressure release subassembly contains pressure release pipe, solenoid valve and pressure release case, the pressure release hole has been seted up to the right-hand member of fixed bucket periphery, the inside in pressure release hole is fixed with the pressure release pipe, install the solenoid valve on the pressure release pipe, the right-hand member of pressure release pipe is fixed with the pressure release case, the output of the inside PLC controller of fixed bucket is connected to the input electricity of solenoid valve, carries out the pressure release through setting up the pressure release subassembly.

Further, still include the subassembly of bleeding, the subassembly of bleeding contains fixed plate and bleed fan, the inside of pressure release case is fixed with the fixed plate, bleed fan is installed on the right side of fixed plate, the output of the inside PLC controller of fixed bucket is connected to the input electricity of bleed fan, through setting up the efficiency that bleed subassembly improved the pressure release.

Further, the right-hand member of pressure release incasement portion is fixed with fixed frame, the inside of fixed frame is fixed with the separation net, can effectively avoid the dust to enter into the inside of fixed bucket through setting up the separation net.

Further, a fixing ring is fixed on the circumferential surface of the fixing barrel, fixing holes which are uniformly distributed are formed in the upper end of the fixing ring, and the fixing barrel is fixed through the fixing ring and the fixing holes.

Compared with the prior art, the utility model has the beneficial effects that: this cubical switchboard pressure release protective structure has following benefit:

the induction component is arranged, so that the sealing disc is upwards extruded to move upwards by the pressure generated when the pressure inside the switch cabinet is overlarge in the using process, the sealing disc moves upwards to enable the shielding block to move upwards between the infrared receiver and the infrared transmitter, the infrared receiver is blocked under the condition, the electromagnetic valve is automatically opened by the PLC controller inside the switch cabinet after blocking, meanwhile, the air suction fan is controlled to work, the pressure of the inside of the switch cabinet can be quickly released under the condition, and the explosion of the switch cabinet is avoided.

Drawings

FIG. 1 is a schematic view of the front side structure of the present utility model;

FIG. 2 is a schematic diagram of a sensing assembly according to the present utility model;

FIG. 3 is a schematic view of the structure of the air extraction assembly of the present utility model.

In the figure: the device comprises a fixed barrel 1, a sensing assembly 2, a sealing disc 21, a shielding block 22, a connecting plate 23, a spring 24, a detection assembly 3, an installation barrel 31, an infrared receiver 32, an infrared transmitter 33, a pressure relief assembly 4, a pressure relief pipe 41, an electromagnetic valve 42, a pressure relief box 43, an air extraction assembly 5, a fixed plate 51, an air extraction fan 52, a fixed frame 6, a shielding net 7, a fixed ring 8 and a fixed hole 9.

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. 1-3, the present embodiment provides a technical solution: a pressure relief protective structure of a switch cabinet comprises a fixed barrel 1 and an induction component 2;

fixed barrel 1: the detection component 3 is arranged at the front end and the rear end of the circumference surface, the pressure release component 4 is arranged at the right end of the circumference surface of the fixed barrel 1, the detection component 3 comprises an installation barrel 31, an infrared receiver 32 and an infrared emitter 33, two corresponding installation holes are arranged at the front end and the rear end of the circumference surface of the fixed barrel 1, the installation barrel 31 is fixed in the installation holes, the infrared receiver 32 is arranged in the installation barrel 31 at the rear side, the infrared emitter 33 is arranged in the installation barrel 31 at the front side, the input end of the infrared emitter 33 is electrically connected with the output end of the PLC controller in the fixed barrel 1, the infrared receiver 32 is electrically connected with the PLC controller in the fixed barrel 1 in a bidirectional way, the pressure release assembly 4 comprises a pressure release pipe 41, an electromagnetic valve 42 and a pressure release box 43, a pressure release hole is formed in the right end of the circumferential surface of the fixed barrel 1, the pressure release pipe 41 is fixed in the pressure release hole, the electromagnetic valve 42 is installed on the pressure release pipe 41, the pressure release box 43 is fixed in the right end of the pressure release pipe 41, the input end of the electromagnetic valve 42 is electrically connected with the output end of a PLC (programmable logic controller) in the fixed barrel 1, the pressure release assembly 5 further comprises a pressure extraction assembly 5, the pressure extraction assembly 5 comprises a fixed plate 51 and a pressure extraction fan 52, the fixed plate 51 is fixed in the pressure release box 43, the pressure extraction fan 52 is installed on the right side of the fixed plate 51, the input end of the pressure extraction fan 52 is electrically connected with the output end of the PLC in the fixed barrel 1, the pressure release efficiency is improved by arranging the pressure extraction assembly 5, and the pressure release is performed by arranging the pressure release assembly 4;

sensing assembly 2: contain sealing disk 21, shelter from piece 22, connecting plate 23 and spring 24, the inside lower extreme of fixed bucket 1 is provided with sealing disk 21, and sealing disk 21's upper end is fixed with and shelters from piece 22, and shielding piece 22's upper end is fixed with connecting plate 23, and connecting plate 23's upside is fixed with spring 24, and spring 24's upper end is fixed in the inside upper end of fixed bucket 1, detects the inside pressure of cubical switchboard through setting up sensing assembly 2.

Wherein: the inside right-hand member of pressure release case 43 is fixed with fixed frame 6, and the inside of fixed frame 6 is fixed with separation net 7, can effectively avoid the dust to enter into the inside of cubical switchboard through setting up separation net 7.

Wherein: the circumference surface of the fixed barrel 1 is fixed with a fixed ring 8, the upper end of the fixed ring 8 is provided with evenly distributed fixed holes 9, and the fixed barrel 1 is fixed by arranging the fixed ring 8 and the fixed holes 9.

The utility model provides a pressure relief protection structure of a switch cabinet, which has the following working principle: firstly, the upper side of the switch cabinet is provided with a connecting hole, then the fixed barrel 1 is inserted into the connecting hole, the fixed barrel 1 is fixed through the fixed ring 8 and the fixed hole 9 after the fixed barrel 1 is inserted, the sealing disc 21 is extruded to move upwards by the pressure generated when the pressure in the fixed barrel 1 is overhigh after the fixed barrel is fixed, the sealing disc 21 moves upwards to enable the shielding block 22 to move upwards, the shielding block 22 blocks the infrared receiver 32 after moving upwards between the infrared receiver 32 and the infrared transmitter 33, the infrared receiver 32 after blocking receives signals of the infrared transmitter of the knife supplementing, at the moment, the PLC controller in the switch cabinet automatically opens the electromagnetic valve 42 and simultaneously controls the air extraction fan 52 to work, so that the pressure in the switch cabinet can be quickly released, and the explosion of the switch cabinet is avoided.

It should be noted that, the specific model of the PLC controller in the switch cabinet disclosed in the above embodiment is siemens S7-200, the infrared receiver 32 is a CHQ0038F infrared receiver, the infrared transmitter 33 is a 5mm infrared transmitter, the electromagnetic valve 42 is a VP3185-205DA1-X81 electromagnetic valve, the air extraction fan 52 is a D2E146 air extraction fan, and the PLC controller in the switch cabinet controls the operation of the infrared transmitter 33, the electromagnetic valve 42 and the air extraction fan 52 by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A cubical switchboard pressure release protective structure, its characterized in that: comprises a fixed barrel (1) and an induction component (2);

fixed barrel (1): the front end and the rear end of the circumferential surface are provided with detection assemblies (3), and the right end of the circumferential surface of the fixed barrel (1) is provided with a pressure relief assembly (4);

induction component (2): contain sealing disk (21), shelter from piece (22), connecting plate (23) and spring (24), the inside lower extreme of fixed bucket (1) is provided with sealing disk (21), the upper end of sealing disk (21) is fixed with and shelters from piece (22), the upper end of sheltering from piece (22) is fixed with connecting plate (23), the upside of connecting plate (23) is fixed with spring (24), the upper end of spring (24) is fixed in the inside upper end of fixed bucket (1).

2. The pressure relief protective structure of a switchgear as claimed in claim 1, wherein: the detection assembly (3) comprises An Zhuangtong (31), an infrared receiver (32) and an infrared transmitter (33), two corresponding mounting holes are formed in the front end and the rear end of the circumferential surface of the fixed barrel (1), the mounting barrel (31) is fixed in the mounting holes, the infrared receiver (32) is mounted in the mounting barrel (31) at the rear side, the infrared transmitter (33) is mounted in the mounting barrel (31) at the front side, the input end of the infrared transmitter (33) is electrically connected with the output end of the PLC controller in the fixed barrel (1), and the infrared receiver (32) is electrically connected with the PLC controller in the fixed barrel (1) in a bidirectional manner.

3. The pressure relief protective structure of a switchgear as claimed in claim 1, wherein: the pressure relief assembly (4) comprises a pressure relief pipe (41), an electromagnetic valve (42) and a pressure relief box (43), a pressure relief hole is formed in the right end of the circumferential surface of the fixed barrel (1), the pressure relief pipe (41) is fixed in the pressure relief hole, the electromagnetic valve (42) is installed on the pressure relief pipe (41), the pressure relief box (43) is fixed at the right end of the pressure relief pipe (41), and the input end of the electromagnetic valve (42) is electrically connected with the output end of the PLC controller inside the fixed barrel (1).

4. A switchgear pressure relief protection structure as claimed in claim 3, wherein: still include bleed subassembly (5), bleed subassembly (5) contain fixed plate (51) and bleed fan (52), the inside of pressure release case (43) is fixed with fixed plate (51), bleed fan (52) are installed on the right side of fixed plate (51), the output of the inside PLC controller of fixed bucket (1) is connected to the input electricity of bleed fan (52).

5. A switchgear pressure relief protection structure as claimed in claim 3, wherein: the right end inside pressure release case (43) is fixed with fixed frame (6), the inside of fixed frame (6) is fixed with separation net (7).

6. The pressure relief protective structure of a switchgear as claimed in claim 1, wherein: the fixing barrel is characterized in that a fixing ring (8) is fixed on the circumferential surface of the fixing barrel (1), and fixing holes (9) which are uniformly distributed are formed in the upper end of the fixing ring (8).