CN216497136U

CN216497136U - Fire extinguishing device for electrical equipment

Info

Publication number: CN216497136U
Application number: CN202122724933.3U
Authority: CN
Inventors: 杜春胜
Original assignee: Splend Engineering Technology Beijing Co ltd
Current assignee: Splend Engineering Technology Beijing Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-13
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a fire extinguishing device for electrical equipment, which comprises an electrical cabinet, a fire extinguishing assembly and a sealing assembly, wherein the electrical cabinet is used for mounting the electrical equipment; the fire extinguishing device automatically senses and extinguishes the fire source through the arrangement of the fire extinguishing assembly, so that the fire can be extinguished in the first time when the electrical equipment is in a fire, the loss caused by the fire is reduced, and meanwhile, the accidental injury to personnel due to manual operation fire extinguishing is avoided; the sealing assembly further improves the fire extinguishing efficiency, the electric cabinet is sealed, the exchange frequency of the electric cabinet and external air during fire catching is reduced, the oxygen source inside the electric cabinet is reduced, and therefore the purpose of improving the fire extinguishing efficiency in an auxiliary mode is achieved.

Description

Fire extinguishing device for electrical equipment

Technical Field

The utility model relates to the field of electrical equipment safety, in particular to a fire extinguishing device for electrical equipment.

Background

The present invention provides a fire extinguishing apparatus for electrical equipment, which is very dangerous in case of fire due to its special circumstances, and which will cause a large loss if a timely fire extinguishing treatment cannot be obtained, and which is very likely to cause physical damage to fire extinguishing personnel due to an accident in the process of extinguishing a fire of electrical equipment, so that automatic fire extinguishing is very important for electrical equipment.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a fire extinguishing apparatus for an electrical device to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fire extinguishing device for electrical equipment comprises an electrical cabinet, a fire extinguishing assembly and a sealing assembly, wherein the electrical cabinet is used for mounting the electrical equipment;

the fire extinguishing assembly comprises a pair of smoke sensing alarms arranged on the inner wall of the top of the electric cabinet and a pair of fire extinguishing tanks arranged in a top bin, the pair of smoke sensing alarms are electrically connected, valves are arranged at opposite ends of the pair of fire extinguishing tanks, a releasing mechanism is arranged at the tail end of each valve and electrically connected with the smoke sensing alarms, fire extinguishing pipelines are also vertically connected to the valves of the fire extinguishing tanks, and spray head mechanisms are arranged in the fire extinguishing pipelines in the electric cabinet;

the sealing assembly comprises an adjusting motor and a sealing plate, the adjusting motor is vertically arranged on the position, above the ventilating window, of the inner wall of the electrical cabinet, a driving lead screw is vertically arranged at the output end of the adjusting motor, a driving slide block is arranged on the driving lead screw in a threaded fit mode, a sealing plate is arranged on one side of the driving slide block, the sealing plate is in sliding fit with the inner wall of the electrical cabinet, a plurality of air vents which are correspondingly arranged on the sealing plate are further arranged on the sealing plate, and the adjusting motor is electrically connected with the smoke sensing alarm.

As a further scheme of the utility model: the releasing mechanism comprises a permanent magnet fixedly connected with the valve and an electromagnet coaxially arranged with the valve shaft, the electromagnet and the valve shaft are relatively fixedly arranged, and the electromagnet is electrically connected with the smoke detector alarm.

As a still further scheme of the utility model: the spray head mechanism comprises a horizontal fire extinguishing spray head horizontally arranged at the position above the inside of the electric cabinet and vertical fire extinguishing spray heads vertically arranged at two sides inside the electric cabinet.

As a still further scheme of the utility model: the top of the top bin is connected with a top cover through a bolt pair.

As a still further scheme of the utility model: the driving sliding block is in sliding fit with a positioning sliding rail vertically arranged on the inner wall of the electric cabinet.

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

the fire extinguishing device automatically senses and extinguishes the fire source through the arrangement of the fire extinguishing assembly, so that the fire can be extinguished in the first time when the electrical equipment is in a fire, the loss caused by the fire is reduced, and meanwhile, the accidental injury to personnel due to manual operation fire extinguishing is avoided;

the sealing assembly further improves the fire extinguishing efficiency, the electric cabinet is sealed, the exchange frequency of the electric cabinet and external air during fire catching is reduced, the oxygen source inside the electric cabinet is reduced, and therefore the purpose of improving the fire extinguishing efficiency in an auxiliary mode is achieved.

Drawings

Fig. 1 is a schematic structural view of a fire extinguishing apparatus for electrical equipment.

Fig. 2 is a schematic structural view of a seal assembly in a fire extinguishing apparatus for electrical equipment.

Fig. 3 is a schematic structural view of a sealing plate in a fire extinguishing apparatus for electrical equipment.

Fig. 4 is a schematic structural view of a release mechanism in a fire extinguishing apparatus for electrical equipment.

In the figure: 1-electrical cabinet, 2-ventilation window, 3-adjusting motor, 4-driving screw rod, 5-positioning slide rail, 6-driving slide block, 7-sealing plate, 8-ventilation hole, 9-smoke detector, 10-top bin, 11-fire extinguishing tank, 12-valve, 13-permanent magnet, 14-valve shaft, 15-electromagnet, 16-fire extinguishing pipeline, 17-horizontal fire extinguishing nozzle, 18-vertical fire extinguishing nozzle, 19-electrical equipment and 20-top cover.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1 to 4, in an embodiment of the present invention, a fire extinguishing apparatus for electrical equipment includes an electrical cabinet 1 for mounting electrical equipment 19, a fire extinguishing assembly and a sealing assembly, wherein ventilation windows 2 are symmetrically arranged on two side walls of the electrical cabinet 1, and a top bin 10 is arranged at the top of the electrical cabinet 1;

the fire extinguishing assembly comprises a pair of smoke-sensitive alarms 9 arranged on the inner wall of the top of the electrical cabinet 1 and a pair of fire extinguishing tanks 11 arranged in a top bin 10, the pair of smoke-sensitive alarms 9 are electrically connected, valves 12 are arranged at opposite ends of the pair of fire extinguishing tanks 11, a releasing mechanism is arranged at the tail end of each valve 12 and is electrically connected with the smoke-sensitive alarms 9, fire extinguishing pipelines 16 are vertically connected to the positions of the valves 12 of the fire extinguishing tanks 11, and spray head mechanisms are arranged in the electrical cabinet 1 through the fire extinguishing pipelines;

the sealing assembly comprises an adjusting motor 3 and a sealing plate 7, the adjusting motor 3 is vertically arranged on a position, above the ventilating window 2, on the inner wall of the electrical cabinet 1, a driving screw rod 4 is vertically arranged at the output end of the adjusting motor 3, a driving slide block 6 is arranged on the driving screw rod 4 in a threaded fit manner, the sealing plate 7 is arranged on one side of the driving slide block 6, the sealing plate 7 is in sliding fit with the inner wall of the electrical cabinet 1, a plurality of air holes 8 which are correspondingly arranged with the ventilating window 2 are further arranged on the sealing plate 7, and the adjusting motor 3 is electrically connected with the smoke detector alarm 9.

In the embodiment, the structure of a fire extinguishing apparatus (hereinafter referred to as "apparatus") for electrical equipment is divided into functions and described in a matching manner, wherein the fire extinguishing apparatus mainly comprises an electrical cabinet 1, a fire extinguishing assembly and a sealing assembly, the electrical cabinet 1 is a frame structure formed by the whole apparatus, all the components and functions of the apparatus are arranged depending on the electrical cabinet 1, the fire extinguishing assembly mainly comprises the fire extinguishing assembly and the sealing assembly with the main functional structures, the fire extinguishing assembly mainly comprises a smoke-sensitive alarm 9 and a fire extinguishing tank 11, when the fire occurs in the electrical equipment 19, the smoke-sensitive alarm 9 is triggered, a power line of a releasing mechanism is connected in the smoke-sensitive alarm 9, so as to trigger the releasing mechanism, under the action of the releasing mechanism, a valve 12 of the fire extinguishing tank 11 is opened, fire extinguishing gas (foam) in the fire extinguishing tank 11 is transferred to the interior of the electrical cabinet 1 through a fire extinguishing pipeline 16 and is sprayed on the surface of the electrical equipment through a nozzle mechanism, the fire extinguishing effect is achieved, and the condition that secondary explosion is generated to cause harm to human bodies due to manual operation fire extinguishing after fire catching can be effectively avoided through the realization of automatic fire extinguishing; the sealing assembly is used for further improving the fire extinguishing efficiency and is sealed to a certain extent through a stage device, so that the gas exchange rate between the inside and the outside of the electric cabinet 1 is reduced, the oxygen content in the electric cabinet 1 is reduced, and the fire extinguishing efficiency is improved, in use, the specific realization mode is that a power line of the adjusting motor 3 is electrically connected with the smoke-sensitive alarm 9, therefore, when the smoke-sensitive alarm 9 is triggered, the adjusting motor 3 is activated simultaneously, the adjusting motor 3 drives the screw rod 4 to rotate, the sealing plate 7 is driven to descend (ascend), the vent hole 8 which is aligned with the ventilation window 2 on the sealing plate 7 which is attached to the inner wall of the electric cabinet 1 is staggered, so that the sealing of the inside of the electric cabinet 1 is realized, the arrangement mode can play a good fire extinguishing auxiliary effect when the outside of the electric cabinet 1 has strong wind, and the phenomenon that the gas flowing at high speed outside the electric cabinet 1 frequently changes the gas for the inside of the electric cabinet 1 is avoided, the oxygen content is reduced (here the circuits controlling the release mechanism and adjusting the motor 3 are both weak current circuits).

Referring to fig. 4, as a preferred embodiment of the present invention, the release mechanism includes a permanent magnet 13 fixedly connected to the valve 12 and an electromagnet 15 coaxially disposed with the valve shaft 14, the electromagnet 15 is relatively fixedly disposed with the valve shaft 14, and the electromagnet 15 is electrically connected to the smoke detector 9.

Referring to fig. 1, as another preferred embodiment of the present invention, the nozzle mechanism includes a horizontal fire-extinguishing nozzle 17 horizontally disposed above the inside of the electrical cabinet 1 and vertical fire-extinguishing nozzles 18 vertically disposed on both sides of the inside of the electrical cabinet 1, so that fire-extinguishing substances can cover the electrical equipment on fire from various angles, and the fire-extinguishing efficiency is improved.

Referring to fig. 1, as another preferred embodiment of the present invention, a top cover 20 is connected to the top of the top chamber 10 through a pair of bolts, and the detachable arrangement of the top cover 20 can facilitate the replacement of the fire extinguishing tank 11.

Referring to fig. 2, as another preferred embodiment of the present invention, the driving slider 6 is further slidably engaged with a positioning slide rail 5 vertically disposed on an inner wall of the electrical cabinet 1.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A fire extinguishing device for electrical equipment comprises an electrical cabinet (1) for mounting electrical equipment (19), a fire extinguishing assembly and a sealing assembly, and is characterized in that ventilation windows (2) which are symmetrically distributed are arranged on the two side shell walls of the electrical cabinet (1), and a top bin (10) is arranged at the top of the electrical cabinet (1);

the fire extinguishing assembly comprises a pair of smoke sensing alarms (9) arranged on the inner wall of the top of the electrical cabinet (1) and a pair of fire extinguishing tanks (11) arranged in a top bin (10), the pair of smoke sensing alarms (9) are electrically connected, valves (12) are arranged at opposite ends of the pair of fire extinguishing tanks (11), release mechanisms are arranged at the tail ends of the valves (12), the release mechanisms are electrically connected with the smoke sensing alarms (9), fire extinguishing pipelines (16) are vertically connected to the valves (12) of the fire extinguishing tanks (11), and spray head mechanisms are arranged in the electrical cabinet (1) on the fire extinguishing pipelines (16);

the sealing assembly comprises an adjusting motor (3) and a sealing plate (7), the adjusting motor (3) is vertically arranged on the position, above the ventilating window (2), of the inner wall of the electric cabinet (1), a driving screw rod (4) is vertically arranged at the output end of the adjusting motor (3), a driving slider (6) is arranged on the driving screw rod (4) in a threaded fit mode, the sealing plate (7) is arranged on one side of the driving slider (6), the sealing plate (7) is in sliding fit with the inner wall of the electric cabinet (1), a plurality of air holes (8) corresponding to the ventilating window (2) are further formed in the sealing plate (7), and the adjusting motor (3) is electrically connected with the smoke sensing alarm (9).

2. A fire extinguishing apparatus for electrical equipment according to claim 1, wherein the release mechanism comprises a permanent magnet (13) fixedly connected to the valve (12) and an electromagnet (15) coaxially arranged with the valve shaft (14), the electromagnet (15) being fixedly arranged opposite to the valve shaft (14), the electromagnet (15) being electrically connected to the smoke detector (9).

3. Fire extinguishing apparatus for electrical equipment according to claim 2, characterized in that the nozzle means comprises horizontal extinguishing nozzles (17) arranged horizontally in a position above the interior of the electrical cabinet (1) and vertical extinguishing nozzles (18) arranged vertically on both sides of the interior of the electrical cabinet (1).

4. Fire extinguishing apparatus for electrical equipment according to claim 1, characterised in that the top of the top bin (10) is connected to a top cover (20) by means of a pair of bolts.

5. Fire extinguishing apparatus for electrical equipment according to claim 1, wherein the driving slider (6) is also in sliding fit with a positioning slide rail (5) vertically arranged on the inner wall of the electrical cabinet (1).