CN215025555U

CN215025555U - Cable trench cable fire alarm extinguishing device

Info

Publication number: CN215025555U
Application number: CN202120629897.XU
Authority: CN
Inventors: 张晓�; 杨柳; 朱丙华
Original assignee: Henan Yuecheng Technology Co ltd
Current assignee: Henan Yuecheng Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-07
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a cable pit cable fire alarm extinguishing device, including the cable pit, the cable pit bottom is equipped with a plurality of cables, a plurality of the cable tiling sets up, the inside a plurality of baffles that are equipped with of cable pit, a plurality of the through-hole has been seted up on the baffle, a plurality of the cable is sealed to be run through the through-hole, the cable pit top is equipped with the cable lid, cable pit one side is equipped with two torsional memory metals, one side that the cable pit was kept away from to the memory metal is equipped with extinguishing device, cable pit one side with baffle inside wall fixed mounting has same gas to deposit the membrane, gas is equipped with flame retardant gas in depositing the membrane, baffle one side is equipped with warning device. The utility model discloses an use this function of memory metal thermal deformation, can be when the cable is on fire, the effectual emergence that blocks the conflagration to make the electric wire netting can the safe operation.

Description

Cable trench cable fire alarm extinguishing device

Technical Field

The utility model relates to a cable fire-fighting equipment technical field especially relates to a cable pit cable fire alarm extinguishing device.

Background

With the continuous and rapid increase of the economy of China, the demands of domestic electricity and enterprise electricity are getting larger and larger. The reliability of power cables, one of the main ways to transmit electrical energy, is of great importance. At present, under the influence of various factors such as cable design, production, installation and maintenance, operating environment and the like, a power failure accident caused by cable damage presents a high-power-generation state, and the method is one of important hidden dangers of safe operation of a power grid.

The monitoring of cable in operation in traditional cable pit is through the daily tour of person on duty, and the means is single, and can't directly observe, to the difficult timely discovery of the hidden danger of cable conflagration or operation in-process. The cable trench has strong fire concealment, large influence range and long emergency repair recovery time, and once the fire is in the emergency repair recovery time, serious consequences can be caused. Cable fires can cause serious consequences such as equipment tripping, load shedding, even injury to fire fighters, and the like, in addition to cable damage. Not only can bring serious loss to the economy, but also can disturb the normal life and production order of the residents and enterprises. Therefore, in order to ensure the normal operation of cable power supply, promote the development of industry and national economy, and research on reliable on-line monitoring devices for potential faults such as discharge and heating of cable heads of cable ducts is urgent, a cable duct cable fire alarm fire extinguishing device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the cable duct is lack of a fire alarm and fire extinguishing device in the prior art, and providing a cable duct cable fire alarm and fire extinguishing device.

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

the utility model provides a cable pit cable fire alarm extinguishing device, includes the cable pit, the cable pit bottom is equipped with a plurality of cables, a plurality of the cable tiling sets up, the inside a plurality of baffles that are equipped with of cable pit, a plurality of the through-hole has been seted up on the baffle, a plurality of the cable is sealed to be run through the through-hole, the cable pit top is equipped with the cable lid, cable pit one side is equipped with two torsional memory metals, one side that the cable pit was kept away from to the memory metal is equipped with extinguishing device, cable pit one side with baffle inside wall fixed mounting has same gas to deposit the membrane, the gas is deposited the membrane and is equipped with flame retardant gas, baffle one side is equipped with warning device.

Preferably, extinguishing device includes the box body, box body and memory metal fixed connection, aluminum alloy material is selected for use to the box body, the inside sand and soil that is equipped with of box body, the box body bottom is equipped with a plurality of installation pole, a plurality of the one end fixed mounting that the box body was kept away from to the installation pole has the cutter body.

Preferably, the gas storage film material is a plastic film, the flame-retardant gas is carbon dioxide, the gas storage film is filled with the flame-retardant gas, and the length of the mounting rod is greater than that between the gas storage film and the box body.

Preferably, the warning device comprises a carbon dioxide gas concentration detector, the carbon dioxide gas concentration detector is fixedly connected with the baffle, a warning lamp is arranged outside the cable cover, and the carbon dioxide gas concentration detector is electrically connected with the warning lamp.

Preferably, a heat insulation layer is arranged between the cable cover and the gas storage film, the heat insulation layer is made of glass fiber, and two ends of the heat insulation layer are fixedly connected with one side of the cable trench and one side of the baffle.

Preferably, the cable cover material is a glass plate, and the upper part of the glass plate is provided with a smooth surface.

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

1. when a cable in the cable trench is on fire, the temperature in the cable trench rises, the memory metal is heated to generate the shaped plate, so that the box body is twisted, sandy soil in the box body can effectively reduce the fire, meanwhile, the cutter body at the bottom of the box body can puncture the gas storage film, carbon dioxide in the gas storage film can cover the fire, and the carbon dioxide concentration in the cable trench rises to effectively extinguish the fire;

2. when the carbon dioxide concentration in the cable pit rose, carbon dioxide gas concentration detector will give an electric signal of warning light, and the warning light will flash warning inspection personnel this moment to the processing conflagration that can be timely.

Drawings

Fig. 1 is a schematic structural view of a cable trench cable fire alarm fire extinguishing device provided by the utility model;

fig. 2 is the utility model provides an effect picture of cable pit cable fire alarm extinguishing device.

In the figure: 1 cable trench, 2 baffles, 3 through holes, 4 cable covers, 5 memory metals, 6 gas storage films, 7 flame retardant gases, 8 box bodies, 9 sandy soil, 10 mounting rods, 11 cutter bodies, 12 carbon dioxide gas concentration detectors, 13 warning lamps and 14 heat insulation layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a cable pit cable fire alarm extinguishing device, including

cable pit

1, 1 bottom of cable pit is equipped with a plurality of cables, a plurality of cables tiling sets up, 1 inside of cable pit is equipped with a plurality of baffles 2, through-hole 3 has been seted up on a plurality of baffles 2, a plurality of cable seal runs through-hole 3, 1 top of cable pit is equipped with

cable cover

4, 1 one side of cable pit is equipped with two torsional memory metal 5, one side that memory metal 5 kept away from cable pit 1 is equipped with extinguishing device, 1 one side of cable pit and 2 inside wall fixed mounting of baffle have same gas to deposit membrane 6, be equipped with flame retardant gas 7 in the

gas deposit membrane

6, 2 one sides of baffle are equipped with warning device.

The fire extinguishing device comprises a box body 8, the box body 8 is fixedly connected with a memory metal 5, an aluminum alloy material is selected for use in the box body 8, sandy soil 9 is arranged in the box body 8, a plurality of installation rods 10 are arranged at the bottom of the box body 8, a cutter body 11 is fixedly arranged at one end, far away from the box body 8, of each installation rod 10, and the cutter body 11 and the sandy soil 9 are arranged to effectively control fire.

The material of the gas storage film 6 is a plastic film, the flame-retardant gas 7 is carbon dioxide, the gas storage film 6 is filled with the flame-retardant gas 7, the length of the mounting rod 10 is greater than the length between the gas storage film 6 and the box body 8, the length of the mounting rod 10 is set to be greater than the length between the gas storage film 6 and the box body 8, and the cutter body 11 can be ensured to be capable of cutting through the gas storage film 6.

Warning device includes carbon dioxide gas concentration detection appearance 12, carbon dioxide gas

concentration detection appearance

12 and 2 fixed connection of baffle, and 4 outsides of cable cover are equipped with warning light 13, and carbon dioxide gas concentration detection appearance 12 is connected with warning light 13 electricity, and warning device can play effectual warning effect to the staff of being convenient for controls the conflagration.

The heat insulation layer 14 is arranged between the cable cover 4 and the gas storage film 6, the heat insulation layer 14 is made of glass fibers, two ends of the heat insulation layer 14 are fixedly connected with one side of the cable duct 1 and one side of the baffle 2, and the heat insulation layer 14 can effectively prevent the temperature inside the cable duct 1 from rising due to the influence of external factors, so that the memory metal 5 is driven to deform.

The material of the cable cover 4 is set to be a glass plate, the upper part of the glass plate is smooth, the material of the cable cover 4 is set to be the glass plate, and the cable cover can help a worker to observe the condition inside the cable trench 1, so that potential safety hazards are reduced, and the glass plate is set to be smooth, so that the external temperature can be effectively blocked.

The utility model discloses when the cable is on fire in cable pit 1, the temperature risees in the cable pit 1, memory metal 5 is heated and takes place the shaped plate, consequently, cause box body 8 to twist reverse, sand and soil 9 in the box body 8 will effectual reduction intensity of a fire this moment, the cutter body 11 of box body 8 bottom will puncture gaseous deposit membrane 6 simultaneously, carbon dioxide in the gaseous deposit membrane 6 will cover the intensity of a fire, shine into the carbon dioxide concentration in the cable pit 1 simultaneously and rise, when the carbon dioxide concentration in the cable pit 1 risees to certain threshold value, carbon oxide gas concentration detector will give warning light 13 an electric signal, warning light 13 will flash warning inspection personnel this moment, thereby the processing conflagration that can be timely.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A cable trench cable fire alarm fire extinguishing device comprises a cable trench (1) and is characterized in that, a plurality of cables are arranged at the bottom of the cable trench (1) and are laid horizontally, a plurality of baffles (2) are arranged in the cable trench (1), through holes (3) are formed in the baffles (2), a plurality of cables penetrate through the through holes (3) in a sealing manner, the top of the cable trench (1) is provided with a cable cover (4), one side of the cable trench (1) is provided with two twisted memory metals (5), a fire extinguishing device is arranged on one side of the memory metal (5) far away from the cable trench (1), one side of the cable trench (1) and the inner side wall of the baffle (2) are fixedly provided with the same gas storage film (6), the gas storage film (6) is internally provided with flame-retardant gas (7), and one side of the baffle (2) is provided with a warning device.

2. The cable trench cable fire alarm fire extinguishing device according to claim 1, wherein the fire extinguishing device comprises a box body (8), the box body (8) is fixedly connected with a memory metal (5), the box body (8) is made of aluminum alloy material, sandy soil (9) is arranged inside the box body (8), a plurality of installation rods (10) are arranged at the bottom of the box body (8), and a cutter body (11) is fixedly arranged at one end, far away from the box body (8), of each installation rod (10).

3. The cable trench cable fire alarm fire extinguishing device according to claim 2, wherein the gas storage film (6) is made of a plastic film, the flame retardant gas (7) is carbon dioxide, the gas storage film (6) is filled with the flame retardant gas (7), and the length of the mounting rod (10) is greater than the length between the gas storage film (6) and the box body (8).

4. The cable trench cable fire alarm and extinguishing device according to claim 1, wherein the warning device comprises a carbon dioxide concentration detector (12), the carbon dioxide concentration detector (12) is fixedly connected with the baffle (2), a warning lamp (13) is arranged outside the cable cover (4), and the carbon dioxide concentration detector (12) is electrically connected with the warning lamp (13).

5. The cable trench cable fire alarm fire extinguishing device according to claim 1, wherein a heat insulation layer (14) is arranged between the cable cover (4) and the gas storage film (6), the heat insulation layer (14) is made of glass fiber, and two ends of the heat insulation layer (14) are fixedly connected with one side of the cable trench (1) and one side of the baffle (2).

6. A cable trench cable fire alarm fire extinguishing apparatus according to claim 1, wherein the cable cover (4) is made of a glass plate, and an upper portion of the glass plate is provided with a smoothing.