CN220122466U - Pressure relief device of inflatable cabinet - Google Patents

Abstract

The utility model provides a pressure relief device of an inflatable cabinet, which comprises a mechanism chamber, wherein a low-pressure chamber is fixedly arranged at the upper end of the mechanism chamber, a switch chamber is fixedly arranged at the rear end of the mechanism chamber, a pressure relief chamber is fixedly arranged at the lower end of the switch chamber, a cooling exhaust chamber is fixedly arranged at the rear end of the pressure relief chamber, a pressure relief assembly is fixedly arranged at the bottom of the switch chamber and the top of the pressure relief chamber in a penetrating manner, a cooling assembly is fixedly arranged at the upper end of the cooling exhaust chamber, and the pressure relief chamber is communicated with the cooling exhaust chamber.

Description

Pressure relief device of inflatable cabinet

Technical Field

The utility model relates to the technical field of inflatable cabinets, in particular to a pressure relief device of an inflatable cabinet.

Background

At present, a short circuit fault is caused by short circuit, insulation aging or manual misoperation and the like in the operation process of the inflatable cabinet, high-temperature high-pressure gas can be instantaneously generated in the cabinet under the short circuit current of tens of thousands of amperes, if the high-temperature high-pressure gas cannot be effectively released in a narrow cabinet body in a very short time, the explosion of the inflatable cabinet can be caused, the adjacent inflatable cabinet is damaged, meanwhile, the personal safety is possibly damaged, so that the inflatable cabinet needs effective pressure relief measures to discharge the high-temperature high-pressure gas accumulated in the cabinet body, and the high-temperature gas is possibly damaged by the vehicle making of workers if directly discharged to the ground, and therefore, the pressure relief device of the inflatable cabinet is needed to be provided to solve the problems.

Disclosure of Invention

In order to achieve the above purpose, the utility model provides a decompression device of an inflatable cabinet, which comprises a mechanism chamber, wherein a low-pressure chamber is fixedly arranged at the upper end of the mechanism chamber, a switch chamber is fixedly arranged at the rear end of the mechanism chamber, a decompression chamber is fixedly arranged at the lower end of the switch chamber, a cooling exhaust chamber is fixedly arranged at the rear end of the decompression chamber, a decompression assembly is fixedly arranged at the bottom of the switch chamber and the top of the decompression chamber in a penetrating manner, a cooling assembly is fixedly arranged at the upper end of the cooling exhaust chamber, and the decompression chamber is communicated with the cooling exhaust chamber.

Preferably, the pressure release subassembly includes the screw thread sleeve at the bottom of screw thread through connection division hanging chamber and pressure release chamber top, screw thread sleeve upper end threaded connection has the fixed block, can dismantle between fixed block and the screw thread sleeve and connect the pressure release piece, screw thread sleeve lower extreme threaded connection has the installation piece, installation piece lower extreme swing joint has the baffle, the installation piece upper end runs through and has seted up the gas vent, the size of screw thread sleeve interior circle is unanimous with the gas vent, and this structural design is simple, can be when the indoor electric current short circuit of switch produces high temperature high pressure gas through the pressure break pressure release piece, discharges the indoor high temperature high pressure ground gas of switch fast after the top-open baffle, can prevent to aerify the cabinet ground and burst effectively, avoid the staff to cause the injury never.

Preferably, four corners of the lower end of the installation block are symmetrically provided with four matching grooves, springs are fixedly arranged in the matching grooves, the other ends of the springs are fixedly connected with the baffle plates, the springs are all located in the matching grooves in a static state, the baffle plates are attached to the underground surface of the installation block, and the structural design is convenient for high-temperature and high-pressure gas to jack up the baffle plates under the matching of the springs and the matching grooves, so that the pressure of a switch chamber can be relieved conveniently and rapidly.

Preferably, the cooling assembly comprises a motor fixedly arranged on the upper end surface of the outside of a cooling exhaust chamber, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with fan-shaped blades through the upper end surface of the cooling exhaust chamber, the length of each fan-shaped blade is smaller than the width of the cooling exhaust chamber, the cooling assembly is simple in structural design, gas flowing in from the pressure release chamber is conveniently cooled, and the cooling assembly is discharged after the gas at a high temperature is cooled for a period of time, so that the direct discharge of the high-temperature gas is prevented from injuring workers.

Preferably, the diameter of the pressure release piece is larger than that of the air release hole, and a part of the pressure release piece is positioned between the fixing block and the same thread structure of the thread sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up the function that the gas holder can be realized to the cooperation between low pressure room, the mechanism room, the switch room, through setting up the pressure release subassembly, the pressure release room, cooperation between the pressure release subassembly can be with the high temperature high pressure ground gas discharge in the pressure release room fast when the current short circuit produces high temperature high pressure gas in the switch room, prevent to aerify the gas holder ground and burst, can realize discharging after carrying out the cooling processing from the high temperature gas of the indoor exhaust of pressure release through setting up cooling exhaust room, cooperation between the cooling subassembly, can prevent to a certain extent that high temperature gas direct discharge thereby the staff from causing the injury, and can make the subassembly easily maintain and change the pressure release piece through threaded connection between the pressure release subassembly, thereby guarantee that the pressure release subassembly normally works.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is an exploded view of the pressure relief assembly of the present utility model;

fig. 5 is a top view of a pressure relief assembly according to the present utility model.

In the figure: 1. a low pressure chamber; 2. a mechanism chamber; 3. a switch chamber; 4. a cooling exhaust chamber; 5. a cooling component; 6. a pressure relief assembly; 7. a pressure relief chamber; 51. a motor; 52. a rotating shaft; 53. fan-shaped blades; 61. a fixed block; 62. a threaded sleeve; 621. a mating groove; 622. a spring; 63. a baffle; 64. a mounting block; 65. a pressure release tablet; 66. and a vent hole.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-5, the cooling device comprises a mechanism chamber 2, a low-pressure chamber 1 is fixedly arranged at the upper end of the mechanism chamber 2, a switch chamber 3 is fixedly arranged at the rear end of the mechanism chamber 2, a pressure release chamber 7 is fixedly arranged at the lower end of the switch chamber 3, the structure design is simple, high-temperature and high-pressure gas can be temporarily collected to relieve the ground pressure in the switch chamber 3, a cooling exhaust chamber 4 is fixedly arranged at the rear end of the pressure release chamber 7, the structure design is simple, the cooling treatment of the high-temperature gas is conveniently carried out, a pressure release assembly 6 is fixedly arranged at the bottom of the switch chamber 3 and the top of the pressure release chamber 7 in a penetrating manner, a cooling assembly 5 is fixedly arranged at the upper end of the cooling exhaust chamber 4, the pressure release chamber 7 is communicated with the cooling exhaust chamber 4, the structure design is simple, the high-temperature and high-pressure ground gas can be quickly discharged into the pressure release chamber through the pressure release device when the short-circuit current in the switch chamber causes the high-temperature and the high-temperature Wen Deqi gas is cooled down and then discharged, and thus the high-temperature gas can be prevented from being directly discharged, which may cause injury to working staff.

Referring to fig. 2-4, the pressure release assembly 6 includes a threaded sleeve 62 threaded through-connected to the bottom of the hanging chamber and the top of the pressure release chamber 7, a fixed block 61 is threaded on the upper end of the threaded sleeve 62, a pressure release plate 65 is detachably connected between the fixed block 61 and the threaded sleeve 62, a mounting block 64 is threaded on the lower end of the threaded sleeve 62, the structural design is simple, and the pressure release assembly 6 can be conveniently detached from the mounting block 64, the fixed block 61 and the threaded sleeve 62, so that maintenance and replacement of the pressure release assembly 6 can be performed, normal operation of the pressure release assembly 6 is ensured, a baffle 63 is movably connected to the lower end of the mounting block 64, a gas release hole 66 is penetratingly formed in the upper end of the mounting block 64, the size of the inner circle of the threaded sleeve 62 is consistent with the gas release hole 66, the structural design is simple, high-temperature and high-pressure gas generated when the current in the switch chamber 3 is shorted out can be rapidly discharged through the pressure release plate 65 after the baffle 63 is jacked, and injuries from the gas from the air-filled cabinet can be effectively prevented.

Referring to fig. 2-4, four mating grooves 621 are symmetrically arranged at four corners of the lower end of the mounting block 64, springs 622 are fixedly arranged in the four symmetrical mating grooves 621, the other ends of the four symmetrical springs 622 are fixedly connected with the baffle 63, the springs 622 are all located in the mating grooves 621 in a static state, the baffle 63 is attached to the underground surface of the mounting block 64, and the structural design is convenient for high-temperature and high-pressure gas to jack up the baffle 63 under the cooperation between the springs 622 and the mating grooves 621, so that the pressure of the switch chamber 3 can be relieved conveniently and rapidly.

Please refer to fig. 1 and fig. 2, the cooling assembly 5 includes a motor 51 fixedly disposed on an upper surface of the cooling exhaust chamber 4, an output end of the motor 51 is fixedly connected with a rotating shaft 52, the rotating shaft 52 is fixedly connected with a fan-shaped blade 53 through an upper surface penetrating through the cooling exhaust chamber 4, and the length of the fan-shaped blade 53 is smaller than the width of the cooling exhaust chamber 4.

Referring to fig. 4, the diameter of the pressure release sheet 65 is greater than that of the air release hole 66, and a portion of the pressure release sheet 65 is located between the fixing block 61 and the same thread structure of the thread sleeve, so that the structural design is simple, and when the current does not generate high-temperature and high-pressure gas due to short circuit, the original tightness is ensured, thereby ensuring the working efficiency of the switch chamber 3 to a certain extent.

Example 1:

when the current in the switch chamber 3 is short-circuited, high-temperature and high-pressure gas is generated, the high-temperature and high-pressure gas applies pressure to the pressure release sheet 65 between the fixed block 61 and the threaded sleeve 62 and then breaks the pressure release sheet 65, further applies pressure to the baffle 63 at the lower end of the mounting block 64, the baffle 63 moves downwards under the pressure of the high-temperature and high-pressure gas, the baffle 63 pulls the spring 622 in the matching groove 621 to deform the spring 622, and then the high-temperature and high-pressure gas passes through the air release hole 66 downwards along the fixed block 61 and the threaded sleeve 62 to enter the air release chamber, and at the moment, the high-temperature and high-pressure gas in the switch chamber 3 is rapidly discharged into the pressure release chamber 7, so that the injury to workers caused by the explosion of the air charging cabinet is avoided.

Example 2:

when the high-temperature high-pressure gas enters the pressure release chamber 7, the high-temperature high-pressure gas flows into the cooling exhaust chamber 4 along a channel between the pressure release chamber 7 and the cooling exhaust chamber 4, then the motor 51 is started, the motor 51 drives the rotating shaft 52 to rotate, the rotating shaft 52 drives the fan-shaped blades 53 to rotate, the high-temperature high-pressure gas in the cooling exhaust chamber 4 is cooled, and then discharged after a period of cooling treatment, so that the damage to workers caused by direct discharge of the high-temperature gas can be avoided, and meanwhile, the pressure in the pressure release chamber 7 can be shared.

Claims (5)

1. The utility model provides an aerify cabinet pressure release device which characterized in that: including mechanism room (2), mechanism room (2) upper end is fixed and is equipped with low pressure room (1), mechanism room (2) rear end is fixed and is equipped with switch chamber (3), switch chamber (3) lower extreme is fixed and is equipped with pressure release room (7), pressure release room (7) rear end is fixed and is equipped with cooling exhaust chamber (4), switch chamber (3) bottom and pressure release room (7) top run through fixedly and are equipped with pressure release subassembly (6), cooling exhaust chamber (4) upper end is fixed and is equipped with cooling subassembly (5), pressure release room (7) are linked together with cooling exhaust chamber (4).

2. The inflatable cabinet pressure relief device according to claim 1, wherein: the pressure relief assembly (6) comprises a threaded sleeve (62) which is connected with the bottom of the hanging chamber and the top of the pressure relief chamber (7) in a threaded penetrating manner, a fixed block (61) is connected with the upper end of the threaded sleeve (62) in a threaded manner, a pressure relief piece (65) is connected between the fixed block (61) and the threaded sleeve (62) in a detachable manner, a mounting block (64) is connected with the lower end of the threaded sleeve (62) in a threaded manner, a baffle (63) is movably connected with the lower end of the mounting block (64), a gas leakage hole (66) is formed in the upper end of the mounting block (64) in a penetrating manner, and the inner circle of the threaded sleeve (62) is identical to the gas leakage hole (66).

3. The inflatable cabinet pressure relief device of claim 2, wherein: four corners of the lower end of the installation block (64) are symmetrically provided with four matching grooves (621), springs (622) are fixedly arranged in the four matching grooves (621), the other ends of the four springs (622) are fixedly connected with the baffle plate (63), the springs (622) are all located in the matching grooves (621) in a static state, and the baffle plate (63) is attached to the underground surface of the installation block (64).

4. The inflatable cabinet pressure relief device according to claim 1, wherein: the cooling assembly (5) comprises a motor (51) fixedly arranged on the outer upper end surface of the cooling exhaust chamber (4), a rotating shaft (52) is fixedly connected to the output end of the motor (51), fan-shaped blades (53) are fixedly connected to the rotating shaft (52) by penetrating through the upper end surface of the cooling exhaust chamber (4), and the length of each fan-shaped blade (53) is smaller than the width of the cooling exhaust chamber (4).

5. The inflatable cabinet pressure relief device of claim 2, wherein: the diameter of the pressure release sheet (65) is larger than that of the air release hole (66), and a part of the pressure release sheet (65) is positioned between the fixed block (61) and the thread structure of the thread sleeve (62).