Fire-fighting communication optical cable capable of extinguishing fire and production method

Abstract

The invention discloses a fire-fighting communication optical cable capable of extinguishing fire and a production method, a framework is provided with a plurality of groove bodies arranged at intervals, optical fibers are arranged in the groove bodies in a penetrating manner, each groove body is filled with a dry powder extinguishing agent, and a POE film wraps the outer side of the framework and then is arranged in a POE sheath. The dry powder extinguishing agent is applied to a communication optical cable structure, so that the communication optical cable has certain fire extinguishing capacity. A 70 DEG C hot-melt POE film is used for wrapping the framework groove, the groove body is sealed and fixed, and meanwhile when the temperature reaches 70 DEG C, the film can be automatically melted. The light and thin 70-DEG C hot-melt-grade POE sheath is used, when a fire point is generated around the optical cable and the temperature rises to 70 DEG C, the light and thin hot-melt-grade POE sheath melts, the hot-melt-grade POE film melts, the dry powder extinguishing agent naturally falls off and makes contact with flames, and the fire extinguishing purpose is achieved through the effects of chemical inhibition, isolation, cooling, suffocation and the like.

Description

Technical Field

[0001] The invention relates to a fire-fighting communication optical cable capable of extinguishing fire and a production method thereof. Background Art

[0002] At present, there are few optical cables for fire communication on the market, and various manufacturers have not done much research on this. This kind of optical cable can be widely used in places with high fire risk and high importance, such as gas stations, urban traffic tunnels, subways, petrochemical production enterprises, hangars, power plants, substations, information rooms, ancient buildings, etc. Such places are usually of high value in themselves. Once a fire occurs, the loss is huge. The application of fire communication optical cables that can extinguish fire can play a certain initial fire extinguishing role in the event of a fire, extinguish small fire sources, and delay the spread of large fire sources, thus winning precious time for subsequent fire rescue. Therefore, fire communication optical cables that can extinguish fire will have rapid development in the future, and their market prospects are relatively broad. For this reason, the present invention provides a fire communication optical cable that can extinguish fire and a production method. Summary of the invention

[0003] The present invention aims to solve the problems existing in the above-mentioned prior art and to provide a fire-fighting communication optical cable capable of extinguishing fire and a production method thereof.

[0004] The technical solutions adopted in the present invention are: A fire-fighting communication optical cable capable of extinguishing fire comprises an optical fiber, a skeleton, a POE film and a POE sheath. The skeleton is provided with a plurality of slots arranged at intervals, the optical fiber is passed through the slots, each slot is filled with a dry powder fire extinguishing agent, and the POE film is wrapped around the outer side of the skeleton and placed in the POE sheath.

[0005] Furthermore, the POE film is a 70°C hot-melt grade POE film; and the POE sheath is a 70°C hot-melt grade POE sheath.

[0006] Furthermore, the frame is rectangular, and a plurality of slots are arranged in the frame at equal intervals.

[0007] Furthermore, each trough body is provided with a partition rib, which divides the trough body into two parts, and the optical fiber and the dry powder fire extinguishing agent are placed on both sides of the partition rib.

[0008] Furthermore, the slot body is an open slot, the slot openings of adjacent slot bodies are arranged alternately up and down, the optical fibers in adjacent slot bodies are arranged alternately up and down, and the POE film is wrapped on the frame and closes the slot openings of the slot body.

[0009] Furthermore, a steel wire is passed through the frame.

[0010] The present invention also discloses a method for producing an optical cable, comprising the following steps: 1) Extrusion produces a rectangular frame, on which a number of slots are arranged at intervals. The slots are open slots, and the slots of adjacent slots are arranged alternately up and down. A partition rib is provided in each slot, which divides the slot into two parts; 2) The optical fibers are twisted and inserted into the slots, and the optical fibers in adjacent slots are arranged in an alternating pattern; 3) Fill each slot with dry powder fire extinguishing agent, and separate the dry powder fire extinguishing agent and the optical fiber in each slot with partition bars; 4) Wrap the POE film on the outside of the frame, and the POE film seals the notch of the tank body; 5) Extrude the POE sheath on the wrapped and fixed frame to form the finished product.

[0011] The present invention has the following beneficial effects: (1) The present invention uses dry powder fire extinguishing agent in the communication optical cable structure, so that the communication optical cable has a certain fire extinguishing ability.

[0012] (2) There are multiple slots in the optical cable, which are arranged in parallel in multiple rows, so that the optical fiber and the dry powder fire extinguishing agent are completely separated, ensuring that the dry powder fire extinguishing agent has no effect on the performance of the optical fiber and ensuring the optical fiber communication performance in a normal use environment.

[0013] (3) Use 70℃ hot-melt grade POE film to wrap the skeleton slot to seal and fix the slot body. At the same time, when the temperature reaches 70℃, the film will automatically melt.

[0014] (4) Use a thin 70℃ hot-melt grade POE sheath. When a fire point occurs around the optical cable and the temperature rises to 70℃, the thin hot-melt grade POE sheath will melt. At the same time, the hot-melt grade POE film will melt, and the dry powder fire extinguishing agent will fall naturally and come into contact with the flame, achieving the purpose of fire extinguishing through chemical inhibition, isolation, cooling and suffocation.

[0015] (5) The flat structural design allows the optical cable to be laid on walls, roofs, and steel structures, which is convenient for construction, saves wiring space, and is firm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of the present invention.

[0017] In the figure: 1. Optical fiber; 2. Skeleton; 3. Steel wire; 4. Trough; 5. Dry powder fire extinguishing agent; 6. POE film; 7. POE sheath. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] like Figure 1The present invention discloses a fire-fighting communication optical cable capable of extinguishing fire, comprising an optical fiber 1, a skeleton 2, a POE film 6 and a POE sheath 7. The skeleton 2 is provided with a plurality of slots 4 arranged at intervals, the optical fiber 1 is passed through the slots 4, each slot 4 is filled with a dry powder fire extinguishing agent, and the POE film 6 is wrapped around the outer side of the skeleton 2 and placed in the POE sheath 7.

[0020] The POE film 6 in the present invention is a 70° C. hot-melt grade POE film, and the POE sheath 7 is a 70° C. hot-melt grade POE sheath.

[0021] The skeleton 2 is rectangular, and a plurality of slots 4 are arranged at equal intervals in the skeleton 2. The slots 4 are open slots, and the slots of adjacent slots 4 are arranged alternately up and down. The optical fibers 1 in adjacent slots 4 are arranged alternately up and down. The POE film 6 is wrapped on the skeleton 2 and closes the slots of the slots.

[0022] The slots of adjacent slot bodies 4 are arranged in an alternating manner. No matter how the optical cables are placed, when exposed to fire, the dry powder fire extinguishing agent can quickly fall and contact the flames.

[0023] A partition 8 is provided in each slot 4, which divides the slot into two parts. The optical fiber 1 and the dry powder fire extinguishing agent are placed on both sides of the partition 8. The optical fiber and the dry powder fire extinguishing agent are completely separated to ensure that the dry powder fire extinguishing agent has no effect on the performance of the optical fiber and ensure the optical fiber communication performance in a normal use environment.

[0024] Steel wires 3 are passed through the frame 2 to ensure the strength of the optical cable.

[0025] The production method of the optical cable of the present invention is: 1) Insert thin steel wire 3 to extrude and produce rectangular frame 2, set a plurality of slots 4 arranged at intervals on the frame 2, the slots 4 are open slots, and the slots of adjacent slots 4 are arranged alternately up and down, and a partition rib 8 is provided in each slot 4, which divides the slot into two.

[0026] 2) The optical fibers 1 are twisted and inserted into the slots 4, and the optical fibers 1 in adjacent slots 4 are arranged alternately up and down.

[0027] 3) Dry powder fire extinguishing agent is filled in each slot 4 , and the dry powder fire extinguishing agent in each slot 4 is separated from the optical fiber 1 by a partition 8 .

[0028] 4) Wrap the POE film 6 on the outside of the frame 2, and the POE film 6 seals the notch of the slot body.

[0029] 5) Extruding the POE sheath 7 on the wrapped and fixed frame to finally form a finished product.

[0030] The optical cable has a flat structure and can be attached to walls, roofs, and steel structures for wiring. It uses a horizontal multi-column skeleton structure to form a multi-column skeleton groove. Each groove is divided into two parts, the upper part is the optical fiber, and the lower part is the dry powder fire extinguishing agent. The surface of the groove is wrapped with a 70℃ hot-melt grade POE film for sealing and fixing to prevent the dry powder fire extinguishing agent from leaking out. At the same time, when the temperature reaches 70℃, this film will automatically melt. The outer sheath uses a thin 70℃ hot-melt grade POE sheath. When a fire point occurs around the optical cable and the temperature rises to 70℃, the thin hot-melt grade POE sheath will melt, and the hot-melt grade POE film will melt at the same time, and the dry powder fire extinguishing agent will fall naturally and come into contact with the flame, achieving the purpose of fire extinguishing through chemical inhibition, isolation, cooling and suffocation. This type of optical cable can be widely used in places with high fire risk and high importance, such as gas stations, urban traffic tunnels, subways, petrochemical production enterprises, hangars, power plants, substations, information rooms, ancient buildings, etc. Such places are usually of high value in themselves. Once a fire occurs, the loss is huge. The application of fire-fighting communication optical cables that can extinguish fires can play a certain role in the initial fire extinguishing when a fire occurs. It can extinguish small fire sources and delay the spread of large fire sources, thus winning precious time for subsequent fire rescue.

[0031] The above description is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements without departing from the principle of the present invention, and these improvements should also be regarded as within the protection scope of the present invention.

Claims

1. A fire-fighting communication optical cable capable of extinguishing fire, characterized in that: The invention comprises an optical fiber (1), a frame (2), a POE film (6) and a POE sheath (7); the frame (2) is provided with a plurality of slots (4) arranged at intervals; the optical fiber (1) is inserted into the slots (4); each slot (4) is filled with a dry powder fire extinguishing agent; the POE film (6) is wrapped around the outside of the frame (2) and then placed in the POE sheath (7).

2. The fire-fighting communication optical cable capable of extinguishing fire according to claim 1, characterized in that: The POE film (6) is a 70°C hot-melt grade POE film; and the POE sheath (7) is a 70°C hot-melt grade POE sheath.

3. The fire-fighting communication optical cable capable of extinguishing fire according to claim 1, characterized in that: The frame (2) is rectangular in shape, and a plurality of slots (4) are arranged at equal intervals within the frame (2).

4. The fire-fighting communication optical cable capable of extinguishing fire according to claim 1, characterized in that: Each trough body (4) is provided with a partition rib (8), the partition rib (8) divides the trough body into two parts, and the optical fiber (1) and the dry powder fire extinguishing agent are placed on both sides of the partition rib (8).

5. The fire-fighting communication optical cable capable of extinguishing fire according to claim 1, characterized in that: The slot bodies (4) are open slots, the slot openings of adjacent slot bodies (4) are arranged in an alternating manner, the optical fibers (1) in adjacent slot bodies (4) are arranged in an alternating manner, and the POE film (6) is wrapped around the frame (2) to seal the slot openings of the slot bodies.

6. The fire-fighting communication optical cable capable of extinguishing fire according to claim 1, characterized in that: A steel wire (3) is inserted into the frame (2).

7. A method for producing an optical cable according to any one of claims 1 to 6, characterized in that: 1) Extrusion molding is used to produce a rectangular frame (2), and a plurality of slots (4) are arranged at intervals on the frame (2), wherein the slots (4) are open slots, and the slots of adjacent slots (4) are arranged in an alternating manner up and down, and a partition rib (8) is provided in each slot (4), and the partition rib (8) divides the slot into two parts; 2) The optical fibers (1) are twisted and then inserted into the slots (4), and the optical fibers (1) in adjacent slots (4) are arranged in an alternating manner up and down; 3) filling each slot (4) with a dry powder fire extinguishing agent, wherein the dry powder fire extinguishing agent in each slot (4) is separated from the optical fiber (1) by a partition rib (8); 4) Wrapping the outer side of the frame (2) with a POE film (6), the POE film (6) sealing the notch of the slot body; 5) The wrapped and fixed frame is subjected to extrusion molding of the POE sheath (7) to finally form a finished product.

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