CN213347540U

CN213347540U - Electrical equipment fire protection device

Info

Publication number: CN213347540U
Application number: CN202022052792.0U
Authority: CN
Inventors: 陶波; 王章洪
Original assignee: Sichuan Jian'an Weiye Construction Engineering Co ltd
Current assignee: Sichuan Jian'an Weiye Construction Engineering Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-04
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to an electrical equipment fire protection device belongs to electrical equipment's field, it includes the box and sets up the mounting panel in the box, it has the chamber door to articulate on the box, the box internal surface is provided with fire-retardant layer, be provided with the holding shell that is used for placing the dry powder fire extinguishing agent in the box and be located the interior roof on fire-retardant layer, the powder hole has been seted up on the holding shell, the position department that just is located powder hole place on the holding shell is provided with the shielding piece that is used for opening the powder hole automatically under high temperature. Compared with the prior art, this application has the effect of improving the relatively poor problem of fire behavior.

Description

Electrical equipment fire protection device

Technical Field

The application relates to the field of electrical equipment, in particular to a fireproof protection device for electrical equipment.

Background

Electrical fire and explosion accidents refer to fire and explosion accidents caused by electrical causes. Most of insulating materials of various electrical equipment belong to inflammable substances, a conductor can generate heat through current in the operation process, an electric arc can be generated when a switch cuts off the current, the electric arc and electric sparks can be generated due to short circuit, grounding or equipment damage, surrounding inflammable substances are ignited, and fire or explosion accidents occur.

Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems.

Chinese patent application No. CN209071888U discloses an electrical equipment protection device, which mainly comprises a protection box, a box door, a heat dissipation port, a heat dissipation fin, a dehumidifier and a mounting plate, wherein the mounting plate is used for placing electrical equipment, the heat generated by the electrical equipment can be dissipated by the heat dissipation fin, and the dehumidifier can keep the air humidity in the box within a proper range.

With respect to the related art in the above, the inventors consider that: the electrical equipment easily breaks out fire, but the structure in protection box and the protection box can not play the effect of fire prevention to there is the relatively poor problem of fire behavior.

SUMMERY OF THE UTILITY MODEL

In order to improve the relatively poor problem of fire behavior, this application provides an electrical equipment fire protection device.

The application provides an electrical equipment fire protection device adopts following technical scheme:

the utility model provides an electrical equipment fire protection device, includes the box and sets up the mounting panel in the box, it has the chamber door to articulate on the box, the box internal surface is provided with fire-retardant layer, be provided with the holding shell that is used for placing the dry powder fire extinguishing agent in the box and be located the interior roof on fire-retardant layer, the powder hole has been seted up on the holding shell, the position department that just is located powder hole place on the holding shell is provided with the shielding piece that is used for opening the powder hole automatically under high temperature.

By adopting the technical scheme, if a fire disaster happens outside the box body, the fire is blocked after encountering the flame-retardant layer, so that the electrical equipment in the box body can be protected; if electrical equipment in the box spontaneous combustion, then the powder outlet is opened after the shielding piece receives high temperature, and the dry powder extinguishing agent of holding in the shell is from the powder outlet blowout to can put out a fire, simultaneously, fire-retardant layer can block that fire makes the fire can not spread outside the box, thereby can inside fire prevention, again can outside fire prevention, thereby can improve the lower problem of security.

Optionally, the shielding piece comprises a glass tube for containing alcohol, and the glass tube is detachably arranged at a position of the containing shell close to the powder outlet hole.

Through adopting above-mentioned technical scheme, the glass pipe is used for adorning the liquid of easy evaporation such as alcohol, and after the electrical equipment spontaneous combustion in the box, the alcohol of glass pipe etc. received high temperature and volatilize and be gaseous to take place the inflation in the glass pipe, and finally break, thereby can open the powder hole, thereby be convenient for open the powder hole.

Optionally, a metal ring is circumferentially arranged on the side wall of the glass tube, and the outer surface of the metal ring is in threaded fit with the inner surface of the powder outlet of the containing shell.

Through adopting above-mentioned technical scheme, threaded connection between becket and the internal surface that holds the shell and go out the powder hole, threaded connection has the detachability to can change the glass pipe of new after the glass pipe breaks.

Optionally, a connecting rod is arranged on the containing shell and at a position close to the powder outlet hole, and a powder splashing disc is arranged on the side wall of the connecting rod and at a position far away from the containing shell.

Through adopting above-mentioned technical scheme, the dry powder fire extinguishing agent that comes out from the powder outlet meets splashing all around after spattering the powder dish to can increase the spraying range of dry powder fire extinguishing agent, thereby can increase the scope of putting out a fire, thereby help improving the lower problem of security.

Optionally, a through guide groove is formed in the powder splashing disc along the circumferential direction, and the depth of the guide groove (81) is gradually deepened from the position close to the center of the powder splashing disc to the position far away from the center of the powder splashing disc.

Through adopting above-mentioned technical scheme, the guiding gutter can be to all around falling the dry powder extinguishing agent drainage on spattering the powder dish to can reduce the dry powder extinguishing agent who piles up on spattering the powder dish, and then can reduce the waste of dry powder extinguishing agent.

Optionally, a plurality of powder spraying holes are formed in the powder splashing disc and located on the bottom wall of the diversion trench, and the plurality of powder spraying holes are formed in the length direction of the diversion trench.

Through adopting above-mentioned technical scheme, the dry powder fire extinguishing agent can flow out from the hole of dusting to the below of splashing powder dish is fallen in the spilling, thereby can further increase the scope of spraying of dry powder fire extinguishing agent, and then can increase the scope of putting out a fire.

Optionally, the aperture of the powder spraying hole gradually increases from the position close to the center of the powder splashing disc to the position far away from the center of the powder splashing disc.

By adopting the technical scheme, the larger the aperture is, the stronger the powder spraying capacity is, so that the powder spraying amount of the powder spraying hole far away from the circle center of the powder spraying disc can be increased, and the dry powder extinguishing agent can be sprayed out more uniformly.

Optionally, the accommodating shell is provided with a discharging hole, a rubber cover is arranged on the accommodating shell and at the position where the discharging hole is located, a flange is arranged on the accommodating shell along the circumferential direction of the discharging hole, and the rubber cover is provided with an annular clamping groove for inserting the flange.

Through adopting above-mentioned technical scheme, draw-in groove and flange cooperation can dismantle or install the rubber lid to can add the dry powder extinguishing agent for holding in the shell from the blowing hole, thereby be convenient for add the dry powder extinguishing agent.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the application provides a fireproof protection structure for electrical equipment, which can prevent fire from inside and outside through the combined action of a flame-retardant layer, a containing shell filled with a dry powder extinguishing agent and a glass tube filled with alcohol, so that the problem of low safety can be solved;

2. through the combined action of connecting rod and splash powder dish, can increase the spraying scope of dry powder fire extinguishing agent to can increase the scope of putting out a fire, thereby help improving the lower problem of security.

Drawings

Fig. 1 is a schematic structural diagram of the whole of the embodiment of the present application.

Fig. 2 is a schematic diagram of an exploded structure for showing a containing shell and a glass tube connecting tube according to an embodiment of the present application.

FIG. 3 is a partial schematic view showing the structure of the splash plate.

Fig. 4 is a partial structural view for showing a rubber cover.

Description of reference numerals: 1. a box body; 11. a flame retardant layer; 2. mounting a plate; 3. a box door; 4. a housing shell; 41. a powder outlet; 42. a discharge hole; 43. a flange; 5. a glass tube; 51. a metal ring; 6. a connecting rod; 61. a sleeve; 62. a slide bar; 7. a screw; 8. a powder splashing disc; 81. a diversion trench; 82. powder spraying holes; 9. a rubber cover; 91. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses electrical equipment fire protection device. Referring to fig. 1, the fireproof protection device for electrical equipment comprises a box body 1 and a mounting plate 2 arranged in the box body 1, wherein a box door 3 is hinged on the box body 1, and the mounting plate 2 is used for placing the electrical equipment. In order to improve the problem of poor fireproof performance, the inner surface of the box body 1 is provided with a flame-retardant layer 11, a containing shell 4 for containing a dry powder extinguishing agent is arranged in the box body 1 and on the inner top wall of the fireproof cotton, a powder outlet hole 41 is formed in the containing shell 4, and a shielding piece for automatically opening the powder outlet hole 41 at high temperature is arranged on the containing shell 4 and at the position where the powder outlet hole 41 is located. Wherein, fire-retardant layer 11 sets up to the fireproof cotton, and holding shell 4 is hopper-shaped and sets up to can make the dry powder extinguishing agent move towards powder outlet 41 as much as possible. The flame retardant layer 11 can obstruct the fire source outside the box body 1 and also obstruct the fire source inside the box body 1.

The containing shell 4 is not limited to dry powder extinguishing agent, but also can contain liquid carbon dioxide and other solutions.

Referring to fig. 1 and 2, in order to facilitate automatic opening of the powder outlet 41 at high temperature, the shielding member includes a glass tube 5 for containing alcohol, and the glass tube 5 is detachably disposed at a position of the containing case 4 near the powder outlet 41. In order to facilitate replacement of the glass tube 5, a metal ring 51 is circumferentially disposed on the sidewall of the glass tube 5, and the outer surface of the metal ring 51 is in threaded engagement with the inner surface of the powder outlet 41 of the housing case 4. The glass tube 5 is filled with an organic solvent having a high expansion coefficient, such as alcohol.

Referring to fig. 2 and 3, in order to increase the spraying range of the dry powder extinguishing agent, the extinguishing range is increased. A connecting rod 6 is arranged on the containing shell 4 and at a position close to the powder outlet 41, and a powder splashing disk 8 is arranged on the side wall of the connecting rod 6 and at a position far away from the containing shell 4. In order to reduce the powder extinguishing agent accumulated on the powder splashing tray 8 and reduce the waste of the powder extinguishing agent. The powder splashing disc 8 is circumferentially provided with a through diversion trench 81, and the depth of the diversion trench 81 is gradually deepened from the position close to the center of the powder splashing disc 8 to the position far away from the center of the powder splashing disc 8.

Referring to fig. 3, in order to spray the dry powder extinguishing agent under the powder spraying plate 8, the spraying range of the dry powder extinguishing agent is further increased. A plurality of powder spraying holes 82 are formed in the bottom wall of the diversion trench 81 and on the powder spraying plate 8, and the plurality of powder spraying holes 82 are arranged along the length direction of the diversion trench 81. In order to spray the powder extinguishing agent more uniformly, the aperture of the powder spraying hole 82 is gradually increased from the position close to the center of the powder spraying disc 8 to the position far away from the center of the powder spraying disc 8.

Referring to fig. 1 and 2, in order to adapt to electrical equipment with different heights, the spraying range of the dry powder extinguishing agent can be adjusted. One of them connecting rod 6 includes sleeve 61 and grafting and sliding connection in the slide bar 62 of sleeve 61, spatters powder dish 8 and fixes and set up in the tip that the slide bar 62 kept away from sleeve 61 diapire, wears to establish and threaded connection has screw rod 7 on the sleeve 61, and the pole portion of screw rod 7 penetrates to sleeve 61 in and be used for supporting tightly with the lateral wall of slide bar 62.

Referring to fig. 2 and 4, in order to add fire extinguishing materials such as dry powder fire extinguishing agents into the containing shell 4, a discharging hole 42 is formed in the containing shell, a rubber cover 9 is arranged on the containing shell 4 and at the position of the discharging hole 42, a flange 43 is arranged on the containing shell 4 along the circumferential direction of the discharging hole 42, and an annular clamping groove 91 for inserting the flange 43 is formed in the rubber cover 9.

The implementation principle of the fireproof protection device for the electrical equipment in the embodiment of the application is as follows: when the electrical equipment inside the cabinet 1 catches fire, the organic solvent inside the glass tube 5 expands at a high temperature, and the expanded organic solvent applies a pressing force to the glass tube 5, so that the glass tube 5 is finally broken, and thus the dry extinguishing agent inside the housing case 4 is sprayed. After encountering the powder splashing disk 8, the sprayed dry powder extinguishing agent flows to the periphery along the flow guide grooves 81 on the powder splashing disk 8, wherein part of the dry powder extinguishing agent falls to the lower part of the powder splashing disk 8 through the powder spraying holes 82, so that the fire source in the box body 1 can be extinguished. And due to the existence of the flame retardant layer 11, the fire source inside the box body 1 cannot spread to the outside of the box body 1, and meanwhile, the fire source outside the box body 1 cannot spread to the inside of the box body 1.

When electrical equipment with different heights is to be installed in the box body 1 or the fire extinguishing range is to be adjusted, the screw 7 can be unscrewed, then the length of the sliding rod 62 extending into the sleeve 61 can be adjusted, and finally the screw 7 is screwed for fixing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electrical equipment fire protection device, includes box (1) and mounting panel (2) of setting in box (1), it has chamber door (3), its characterized in that to articulate on box (1): the fire-retardant layer (11) is arranged on the inner surface of the box body (1), a containing shell (4) used for containing a dry powder extinguishing agent is arranged in the box body (1) and on the inner top wall of the fire-retardant layer (11), a powder outlet hole (41) is formed in the containing shell (4), and a shielding piece used for automatically opening the powder outlet hole (41) at high temperature is arranged on the containing shell (4) and at the position where the powder outlet hole (41) is located.

2. An electrical equipment fire protection arrangement according to claim 1, wherein: the shielding piece comprises a glass tube (5) used for containing alcohol, and the glass tube (5) is detachably arranged at the position, close to the powder outlet hole (41), of the containing shell (4).

3. A fire protection arrangement for electrical equipment according to claim 2, wherein: the side wall of the glass tube (5) is provided with a metal ring (51) along the circumferential direction, and the outer surface of the metal ring (51) is in threaded fit with the inner surface of the powder outlet hole (41) of the containing shell (4).

4. A fire protection arrangement for electrical equipment according to claim 2, wherein: a connecting rod (6) is arranged on the containing shell (4) and at a position close to the powder outlet hole (41), and a powder splashing disc (8) is arranged on the side wall of the connecting rod (6) and at a position far away from the containing shell (4).

5. An electrical equipment fire protection arrangement according to claim 4, wherein: the powder splashing disc (8) is circumferentially provided with a through guide groove (81), and the depth of the guide groove (81) is gradually deepened from the position close to the circle center of the powder splashing disc (8) to the position far away from the circle center of the powder splashing disc (8).

6. An electrical equipment fire protection arrangement according to claim 5, wherein: a plurality of powder spraying holes (82) are formed in the bottom wall, located on the flow guide groove (81), of the powder spraying disc (8), and the powder spraying holes (82) are formed in the length direction of the flow guide groove (81).

7. An electrical equipment fire protection arrangement according to claim 6, wherein: the aperture of the powder spraying hole (82) is gradually increased from the position close to the circle center of the powder splashing disc (8) to the position far away from the circle center of the powder splashing disc (8).

8. An electrical equipment fire protection arrangement according to claim 1, wherein: the material discharging hole (42) is formed in the containing shell (4), the rubber cover (9) is arranged on the containing shell (4) and located at the position where the material discharging hole (42) is located, a flange (43) is arranged on the containing shell (4) along the circumferential direction of the material discharging hole (42), and an annular clamping groove (91) for inserting the flange (43) is formed in the rubber cover (9).