CN112055489A

CN112055489A - Explosion-proof cabinet that factor of safety is high

Info

Publication number: CN112055489A
Application number: CN201910486740.3A
Authority: CN
Inventors: 王仟; 胡斌
Original assignee: Ergong Explosion Proof Technology Co ltd
Current assignee: Ergong Explosion Proof Technology Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-12-08

Abstract

The invention discloses an explosion-proof cabinet with high safety coefficient, which comprises a cabinet body, wherein a partition plate is slidably connected in the cabinet body, the partition plate divides the interior of the cabinet body into an upper cavity and a lower cavity which are independent from each other up and down, a pressure relief opening is formed in one side wall of the upper cavity, a pressure relief pipe is connected at the pressure relief opening, a group of iron whistle and a windmill are sequentially connected on the pressure relief pipe along the airflow direction in the interior of the pressure relief pipe, a generator is arranged on one side above the cabinet body, a rotating shaft of the generator is connected with the windmill, a communication hole is formed in the side surface of the cabinet body opposite to the side surface provided with the pressure relief opening, the communication hole is communicated with the lower cavity, a rectangular. The invention has the advantages that: this device not only can carry out the pressure release when explosion-proof cabinet explodes, can also utilize the produced atmospheric pressure of explosion, makes explosion-proof cabinet can send the sound and the alarm lamp scintillation reminds the staff, can also put out a fire to the internal packing of cabinet gas of putting out a fire automatically.

Description

Explosion-proof cabinet that factor of safety is high

Technical Field

The invention relates to the technical field of explosion-proof equipment, in particular to an explosion-proof cabinet with high safety coefficient.

Background

When some have the dust, when flammable explosive gas's place uses the regulator cubicle, often the regulator cubicle will have good leakproofness, prevent that outside dust and flammable explosive gas from getting into the regulator cubicle, but when the device breaks down or because of the short circuit of misoperation circuit in the regulator cubicle, the instantaneous heat effect and the electric arc that discharges that produce in the regulator cubicle are very likely to initiate the explosion, produce a large amount of high temperature high-pressure gas at the internal cabinet, go out if untimely pressure release, whole regulator cubicle all can explode, thereby blast the staff who passes the way, and when the regulator cubicle is fired and explodes, staff often can not just discover the very first time, often miss the best time of speedily carrying out an emergency, lead to suffering more serious loss.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an explosion-proof cabinet with high safety coefficient.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an explosion-proof cabinet that factor of safety is high which characterized in that: including the cabinet body, at internal sliding connection baffle of cabinet, the baffle separates the internal space of cabinet for independent epicoele body and cavity down from top to bottom, is equipped with the pressure release mouth on a lateral wall of last cavity, connects the pressure release pipe in pressure release mouth department, connects gradually a set of iron whistle and windmill along its inside air current direction on the pressure release pipe, sets up the generator in top one side of the cabinet body, and the rotation axis connection of generator the windmill on the cabinet body with be equipped with set up the intercommunicating pore, intercommunicating pore intercommunication lower cavity covers at the outside of intercommunicating pore and connects the rectangle box body, and the rectangle box body is connected on the side of the cabinet body.

Preferably, an alarm lamp is arranged on one side of the upper part of the cabinet body and electrically connected with the generator.

Preferably, an annular groove is formed in the side wall of the partition plate, an annular sealing ring is sleeved in the annular groove, two springs are connected above the partition plate, the two springs are symmetrically arranged, and the upper ends of the two springs are connected to the top in the cabinet body.

Preferably, set up the U template in the rectangular box body, the U template is connected on the side of the cabinet body, set up in the centre of U template the intercommunicating pore is equipped with the U-shaped groove on the U template, and the apron is connect in the U-shaped inslot, the apron closing cap the intercommunicating pore sets up the rack plate at the lateral surface of apron, sets up the motor in one side of U template, and the motor electricity is connected the generator, the motor is connected on the side of the cabinet body, connects the gear on the output shaft of motor, the gear with the rack plate meshing is connected.

Preferably, a sealed cavity is formed between the rectangular box body and the cabinet body, the sealed cavity is communicated with the lower cavity through the communicating hole, and carbon dioxide gas is filled in the sealed cavity.

The invention has the advantages that: the explosion-proof cabinet with high safety coefficient provided by the invention not only can release pressure when the explosion-proof cabinet explodes to reduce the damage degree in the explosion-proof cabinet, but also can make the explosion-proof cabinet emit sound and flash the alarm lamp to remind workers by utilizing the air pressure generated by explosion, and can automatically fill fire extinguishing gas into the cabinet body to extinguish fire.

Drawings

FIG. 1 is a schematic structural diagram of an explosion-proof cabinet with a high safety factor provided by the invention;

fig. 2 is a side view of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2, the explosion-proof cabinet with high safety factor provided by the invention comprises a cabinet body 1, a partition plate 2 is slidably connected in the cabinet body 1, two springs 2.2 are welded above the partition plate 2, the two springs 2.2 are symmetrically arranged, and the upper ends of the two springs 2.2 are welded at the top in the cabinet body 1. The side wall of the clapboard 2 is provided with an annular groove, an annular sealing ring 2.1 is sleeved in the annular groove, so that the clapboard 2 can divide the inside of the cabinet body 1 into an upper cavity 3 and a lower cavity 4 which are sealed up and down independently, and the volume of the upper cavity 3 and the volume of the lower cavity 4 are changed when the clapboard 2 slides up and down.

A pressure relief opening 5 is formed in one side wall of the upper cavity 3, an electrical component is placed in the lower cavity 4, when the electrical component in the lower cavity 4 explodes due to an accident, a large amount of air pressure can be generated in the lower cavity 4, the partition plate 2 is jacked up upwards under the action of the air pressure in the lower cavity 4, the pressure relief opening 5 is communicated with the lower cavity 4, the air pressure in the lower cavity 4 is relieved through the pressure relief opening 5, and the explosion-proof cabinet is prevented from being further damaged.

The pressure relief pipe 6 is welded at the pressure relief port 5, a group of iron whistle 7 and windmill 8 are welded on the pressure relief pipe 6 in sequence along the airflow direction inside the pressure relief pipe, namely, a group of through holes for welding the iron whistle 7 and a placing groove capable of preventing the windmill 8 are formed in the pressure relief pipe 6 in sequence, so that the pressure relief pipe 6 can be communicated with the iron whistle 7 and the windmill 8, when a large amount of airflow passes through the pressure relief pipe 6, the iron whistle 7 can make a sound to remind a worker, and the windmill 8 can rotate rapidly under the driving of the airflow.

A generator 9 is fixed on one side above the cabinet body 1 through a bolt assembly, a rotating shaft of the generator 9 is connected with the windmill 8, the generator 9 is driven to generate electricity when the windmill 8 rotates, and the generator 9 transmits electricity to other electric elements.

The top one side of the cabinet body 1 is passed through the screw fixation alarm lamp 1.1, and alarm lamp 1.1 electricity is connected generator 9, when generator 9 generated electricity, alarm lamp 1.1 will constantly twinkle, not only can remind the staff, can make the staff take measures rapidly, can in time put out the dangerous situation, can also remind the personnel of crossing to keep away from, prevents to receive the injury.

The side, opposite to the pressure relief opening 5, of the cabinet body 1 is provided with a communicating hole 10, the communicating hole 10 is communicated with the lower cavity 4, the outer side of the communicating hole 10 is covered with a rectangular box body 11, the rectangular box body 11 is welded on the side of the cabinet body 1, a sealing cavity 17 is formed between the rectangular box body 11 and the cabinet body 1, the sealing cavity 17 is communicated with the lower cavity 4 through the communicating hole 10, carbon dioxide gas is filled in the sealing cavity 17, and the pressure of the carbon dioxide in the sealing cavity 17 is greater than that in the cabinet body 1.

Set up U type board 12 in the rectangle box body 11, the welding of U type board 12 sets up in the centre of U type board 12 intercommunicating pore 10 is equipped with the U-shaped groove on U type board 12, and at U-shaped inslot interpolation apron 13, the apron 13 closing cap intercommunicating pore 10 at the lateral surface welding rack plate 14 of apron 13, sets up motor 15 in one side of U type board 12, and motor 15 passes through bolt assembly to be fixed on the mounting panel, and the mounting panel welding is on the side of the cabinet body 1, and motor 15 electricity is connected generator 9 welds gear 16 on the output shaft of motor 15, gear 16 with rack plate 14 meshes the connection.

When the generator 9 generates electricity, the motor 15 is started to drive the gear 16 to rotate, the rack plate 14 moves upwards under the driving of the gear 16, the cover plate 13 is separated from the communicating hole 10, the sealed cavity 12 is communicated with the lower cavity 4 in the cabinet body 1, and the carbon dioxide in the sealed cavity 12 can be quickly filled in the lower cavity 4 in the whole cabinet body 1 because the air pressure of the carbon dioxide in the sealed cavity 12 is greater than that in the cabinet body 1.

The use principle is as follows: when an electric appliance in the cabinet body 1 explodes, the air pressure in the lower cavity 4 rapidly expands, the partition plate 2 is jacked upwards under the action of the air pressure in the lower cavity 4, the pressure relief port 5 is communicated with the lower cavity 4, the air pressure in the lower cavity 4 is relieved through the pressure relief port 5, the damage to the electric appliance caused by explosion can be reduced, air flow generated by explosion can flow into the pressure relief pipe 6 through the pressure relief port 5, when the air flow passes through the iron whistle 7 on the pressure relief pipe 6, a sound can be generated to remind a worker, the windmill 8 can rapidly rotate under the driving of the air flow, the generator 9 can be driven to generate electricity when the windmill 8 rotates, the generator 9 can supply current to the alarm lamp 1.1 and the motor 15, the alarm lamp 1.1 flickers to warn passers away from the passerby to prevent injury, the motor 15 is started to drive the gear 1.6 to rotate, the rack plate 14 moves upwards under the driving of the gear 16, and the cover plate 13 is separated, the sealed cavity 12 is communicated with the lower cavity 4 in the cabinet body 1, and the carbon dioxide in the sealed cavity 12 can quickly fill the lower cavity 4 in the whole cabinet body 1 due to the fact that the air pressure of the carbon dioxide in the sealed cavity 12 is larger than the air pressure in the cabinet body 1, so that the fire condition caused by explosion in the cabinet body 1 can be extinguished.

Claims

1. The utility model provides an explosion-proof cabinet that factor of safety is high which characterized in that: comprises a cabinet body (1), a clapboard (2) is connected in the cabinet body (1) in a sliding way, the clapboard (2) divides the interior of the cabinet body (1) into an upper cavity (3) and a lower cavity (4) which are independent from each other, a pressure relief opening (5) is arranged on one side wall of the upper cavity (3), a pressure relief pipe (6) is connected at the pressure relief opening (5), a group of iron whistle (7) and a windmill (8) are sequentially connected on the pressure relief pipe (6) along the airflow direction inside the pressure relief pipe, a generator (9) is arranged at one side above the cabinet body (1), the rotating shaft of the generator (9) is connected with the windmill (8), a communicating hole (10) is arranged on the side surface of the cabinet body (1) opposite to the side surface provided with the pressure relief opening (5), the communicating hole (10) is communicated with the lower cavity (4), the outer side of the communicating hole (10) is covered with a rectangular box body (11), and the rectangular box body (11) is connected to the side face of the cabinet body (1).

2. The explosion-proof cabinet with high safety factor as claimed in claim 1, is characterized in that: an alarm lamp (1.1) is arranged on one side of the upper part of the cabinet body (1), and the alarm lamp (1.1) is electrically connected with the generator (9).

3. The explosion-proof cabinet with high safety factor as claimed in claim 1, is characterized in that: be equipped with the ring channel on the lateral wall of baffle (2), cup joint annular sealing washer (2.1) in the ring channel two springs (2.2) are connected to the top of baffle (2), and two springs (2.2) symmetry set up, and the upper end of two springs (2.2) is connected top in the cabinet body (1).

4. The explosion-proof cabinet with high safety factor as claimed in claim 1, is characterized in that: set up U template (12) in rectangle box body (11), U template (12) are connected on the side of the cabinet body (1), set up in the centre of U template (12) intercommunicating pore (10) are equipped with the U-shaped groove on U template (12), and at U-shaped inslot interpolation apron (13), apron (13) closing cap intercommunicating pore (10) set up rack plate (14) at the lateral surface of apron (13), set up motor (15) in one side of U template (12), and motor (15) electricity is connected generator (9), motor (15) are connected on the side of the cabinet body (1), connect gear (16) on the output shaft of motor (15), gear (16) with rack plate (14) meshing is connected.

5. The explosion-proof cabinet with high safety factor as claimed in claim 1, is characterized in that: a sealed cavity (17) is formed between the rectangular box body (11) and the cabinet body (1), the sealed cavity (17) is communicated with the lower cavity (4) through the communicating hole (10), and carbon dioxide gas is filled in the sealed cavity (17).