CN223612872U - A fireproof structure for a box-type transformer - Google Patents

Abstract

The utility model discloses a fireproof structure of a box-type transformer, which comprises a box body, wherein a front door is arranged on the front side wall of the box body, an inflatable sealing ring is clamped on the peripheral side wall of the front door, an air tap is fixedly connected onto the inflatable sealing ring, a valve is fixedly connected onto the circumferential surface of the air tap, and an air inlet pipe is fixedly connected onto the left side wall of the box body. Through setting up box, qianmen, inflatable seal circle, air cock, intake pipe, admission valve, filter screen, heat insulating board, substation equipment main part, temperature sensor, smoke transducer, siren, aspiration pump, battery box, PLC controller and valve, when box inside temperature sensor and smoke transducer detected the conflagration, the admission valve was closed, and the aspiration pump normally works, takes out the inside air of box fast, and the flame can not continuously burn because of lacking oxygen in the box to can put out a fire fast, not only safety, the fire extinguishing speed is faster.

Description

Fireproof structure of box-type transformer

Technical Field

The utility model relates to the technical field of box transformers, in particular to a fireproof structure of a box transformer.

Background

The box-type transformer is used as a whole set of power distribution equipment, is formed by organically combining a transformer, high-voltage control equipment and low-voltage control equipment, has the advantages of small volume, light weight, low noise, low loss and high reliability, and is widely applied to places such as residential communities, commercial centers, stations, airports, factories and mines, enterprises, hospitals and schools.

Because the internally mounted of box transformer has a large amount of electronic devices, and adopts more wires to connect the operation, in case inside conflagration that takes place, inside transformer etc. probably still can be in the circular telegram state, and current fire extinguishing mode is general all to put out a fire by the outside fire extinguisher, and not only fire extinguishing efficiency is low, and the potential safety hazard is big moreover.

Disclosure of utility model

The utility model aims to provide a fireproof structure of a box-type transformer, when a temperature sensor and a smoke sensor in the box detect fire, an air inlet valve is closed, an air pump works normally, air in the box is rapidly pumped away, flame in the box cannot be continuously combusted due to lack of oxygen, and therefore fire can be rapidly extinguished, and the fire-extinguishing structure is safe and has a higher fire-extinguishing speed.

In order to achieve the above purpose, the fireproof structure of the box-type transformer comprises a box body, wherein a front door is arranged on the front side wall of the box body, an inflatable sealing ring is clamped on the peripheral side wall of the front door, an air nozzle is fixedly connected to the inflatable sealing ring, a valve is fixedly connected to the circumferential surface of the air nozzle, an air inlet pipe is fixedly connected to the left side wall of the box body, an air inlet valve is fixedly connected to the circumferential surface of the air inlet pipe, a filter screen is fixedly connected to the inner portion of the air inlet pipe, the air inlet valve and the filter screen are all three in number and uniformly distributed on the left side of the box body, a heat insulation plate is fixedly connected to the peripheral side wall of the inner portion of the box body, a power transformation equipment main body is fixedly connected to the inner top surface of the box body, a temperature sensor and a smoke sensor are fixedly connected to the right side wall of the box body, and a PLC (programmable logic controller) is fixedly connected to the front side wall of the box body.

According to the fireproof structure of the box-type transformer, the input end of the air pump penetrates through the box body and the heat insulation plate, a filter screen is arranged inside the input end of the air pump, and the air inlet pipe is located above the air pump. Under normal condition, the air in the box is pumped out by the air pump to form heat dissipation, when a fire occurs, the air pump is pumped out of the internal air, so that the content of oxygen in the internal air is reduced, the flame can not be continuously combusted, and the aim of extinguishing the fire is achieved.

According to the fireproof structure of the box-type transformer, a standby battery is arranged in the standby battery box and is electrically connected with the PLC. For providing electrical support.

According to the fireproof structure of the box-type transformer, the air inlet valve is an electromagnetic valve, and the electromagnetic valve, the temperature sensor, the smoke sensor, the alarm and the air pump are electrically connected with the PLC. The work of each component can be automatically controlled by the PLC.

According to the fireproof structure of the box-type transformer, the air tap penetrates through the front door, and the valve is positioned in front of the front door. The inflatable sealing ring is inflated through the air tap, and the front door and the box body are sealed after the inflatable sealing ring is inflated.

According to the fireproof structure of the box-type transformer, the front door is rotationally connected with the box body through a hinge and is fixed through a lock.

According to the fireproof structure of the box-type transformer, the inflatable sealing ring is made of high-temperature-resistant high-toughness rubber.

Compared with the prior art, the intelligent fire extinguishing device has the beneficial effects that through the arrangement of the box body, the front door, the inflatable sealing ring, the air tap, the air inlet pipe, the air inlet valve, the filter screen, the heat insulation board, the main body of the transformer equipment, the temperature sensor, the smoke sensor, the alarm, the air suction pump, the standby battery box, the PLC controller and the valve, when the temperature sensor and the smoke sensor in the box body detect fire, the air inlet valve is closed, the air suction pump works normally, the air in the box body is quickly sucked away, flame in the box body cannot be continuously combusted due to lack of oxygen, and therefore fire extinguishing can be quickly performed, and the intelligent fire extinguishing device is safe and has higher fire extinguishing speed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

fig. 1 is a front view of a fire-proof structure of a box-type transformer according to the present utility model;

fig. 2 is a side view of a fire protection structure of a box transformer according to the present utility model;

FIG. 3 is an internal structural view of a fire-proof structure of a box-type transformer according to the present utility model;

Fig. 4 is a sectional view showing a fire-proof structure of a box-type transformer according to the present utility model.

The device comprises a box body 1, a front door 2, an inflatable sealing ring 3, an air tap 4, a filter screen 5, an air inlet pipe 6, an air inlet valve 7, a filter screen 8, a heat insulation plate 9, a power transformation equipment main body 10, a temperature sensor 11, a smoke sensor 12, an alarm 13, an air pump 14, a standby battery box 15, a PLC controller 16 and a valve.

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, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a fire protection structure for a box transformer, comprising: the box body 1, be provided with qianmen 2 on the front side wall of box body 1, qianmen 2 and box body 1 pass through the hinge rotation to fixed through the tool to lock, the accessible is opened qianmen 2 and is maintained the inside transformer equipment, joint has inflatable sealing circle 3 on the lateral wall around qianmen 2, inflatable sealing circle 3 adopts high temperature resistant high toughness rubber material, fixedly connected with air cock 4 on the inflatable sealing circle 3, fixedly connected with valve 16 on the periphery of air cock 4, air cock 4 runs through qianmen 2, valve 16 is located the place ahead of qianmen 2, can aerify inflatable sealing circle 3 through air cock 4, make it expand, thereby seal qianmen 2 and box body 1, fixedly connected with intake pipe 5 on the left side wall of box body 1, fixedly connected with admission valve 6 on the periphery of intake pipe 5, the inside fixedly connected with filter screen 7 of intake pipe 5, the quantity of the air inlet pipe 5, the air inlet valve 6 and the filter screen 7 is three, and is evenly distributed on the left side of the box body 1, when the air inlet valve 6 is opened, the air inlet pipe 5 can be used for radiating, when the air inlet valve 6 is closed, the box body 1 can be isolated from the outside, the heat insulation plate 8 is fixedly connected on the inner peripheral side wall of the box body 1, the heat is prevented from diffusing to the outside, the safety of the box body 1 is improved, the power transformation equipment main body 9 is fixedly connected in the box body 1, the power transformation equipment main body 9 is a whole set of power distribution equipment, the temperature sensor 10 and the smoke sensor 11 are fixedly connected on the inner top surface of the box body 1 and are used for monitoring whether fire occurs in the inside, the alarm 12 is fixedly connected on the top of the box body 1, when the fire is detected in the inside, the alarm 12 gives out an alarm prompt, fixedly connected with aspiration pump 13 and reserve battery case 14 on the right side wall of box 1, the input of aspiration pump 13 runs through box 1 and heat insulating board 8, and the inside filter sieve that is provided with of input of aspiration pump 13 for the gaseous that filters the extraction, intake pipe 5 are located the top of aspiration pump 13, and aspiration pump 13 is in long-term operating condition, discharges the heat that power transformation equipment main part 9 during operation produced to form the heat dissipation, fixedly connected with PLC controller 15 on the preceding lateral wall of box 1.

The inside of reserve battery case 14 is provided with reserve battery, and reserve battery and PLC controller 15 electric connection, as external power source, for each part of preventing fires provides electric power and supports, and admission valve 6 is the solenoid valve, temperature sensor 10, smoke transducer 11, alarm 12 and aspiration pump 13 all with PLC controller 15 electric connection, through PLC controller 15, each fire prevention part of orderly control to when the condition of a fire takes place, can put out a fire.

The working principle is that under the normal working condition, the air inlet valve 6 on the air inlet pipe 5 is opened and matched with the air pump 13 to work, convection is formed between the air inlet valve and the outside, heat in the box body 1 is discharged, heat dissipation is formed, when the temperature sensor 10 and the smoke sensor 11 detect that a fire occurs in the box body 1, the alarm 12 gives out an alarm prompt, meanwhile, the air inlet valve 6 is automatically closed, the front door 2 and the box body 1 form sealing through the air sealing ring 3, the box body 1 is completely isolated from the outside at the moment, the air pump 13 normally works to pump out air in the box body 1, so that the oxygen content in the box body 1 is reduced, the flame in the box body 1 cannot normally and continuously burn due to lack of oxygen, the aim of rapidly extinguishing the fire is achieved, when the gas pumped out by the air pump 13 does not have black smoke, the gas in the air sealing ring 3 is discharged after a period of time, the box body 1 is opened, and the inside of the box body 1 can be maintained.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (7)

1. The utility model provides a fire prevention structure of box transformer, includes box (1), its characterized in that, be provided with qianmen (2) on the preceding lateral wall of box (1), joint has inflatable seal circle (3) on the lateral wall around qianmen (2), fixedly connected with air cock (4) on inflatable seal circle (3), fixedly connected with valve (16) on the periphery of air cock (4), fixedly connected with intake pipe (5) on the left lateral wall of box (1), fixedly connected with admission valve (6) on the periphery of intake pipe (5), the inside fixedly connected with filter screen (7) of intake pipe (5), the quantity of intake pipe (5), admission valve (6) and filter screen (7) all is provided with three to evenly distributed is in the left side of box (1), fixedly connected with heat insulating board (8) on the inside lateral wall around of box (1), fixedly connected with substation equipment main part (9) in the inside of box (1), fixedly connected with temperature sensor (10) and smoke transducer (11) on the inside top surface of box (1) and battery (13) on the top of box (1), the front side wall of the box body (1) is fixedly connected with a PLC (programmable logic controller) 15.

2. The fireproof structure of a box-type transformer according to claim 1, wherein the input end of the air pump (13) penetrates through the box body (1) and the heat insulation plate (8), a filter screen is arranged in the input end of the air pump (13), and the air inlet pipe (5) is located above the air pump (13).

3. The fire-proof structure of a box-type transformer as set forth in claim 1, wherein a backup battery is provided in the backup battery box (14), and the backup battery is electrically connected with the PLC (15).

4. The fire prevention structure of a box-type transformer according to claim 1, wherein the air inlet valve (6) is an electromagnetic valve, and the electromagnetic valve, the temperature sensor (10), the smoke sensor (11), the alarm (12) and the air pump (13) are electrically connected with the PLC (15).

5. A fire protection structure for a box transformer according to claim 1, wherein the air tap (4) penetrates the front door (2), and the valve (16) is located in front of the front door (2).

6. A fire-proof structure of box type transformer as claimed in claim 1, wherein the front door (2) is rotatably connected with the box body (1) through a hinge and is fixed through a lock.

7. The fireproof structure of a box-type transformer according to claim 1, wherein the inflatable sealing ring (3) is made of high-temperature-resistant high-toughness rubber.