CN214705532U - Fire control is with fire prevention shielding computer cable - Google Patents
Fire control is with fire prevention shielding computer cable Download PDFInfo
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- CN214705532U CN214705532U CN202121337611.7U CN202121337611U CN214705532U CN 214705532 U CN214705532 U CN 214705532U CN 202121337611 U CN202121337611 U CN 202121337611U CN 214705532 U CN214705532 U CN 214705532U
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Abstract
The utility model discloses a fire control is with fire prevention shielding computer cable, including fire prevention packing cover, fire prevention packing cover is filled in the storage cavity between sheath and conductor, fire prevention packing cover sets up to a plurality of columnar type, pack in proper order in depositing the cavity, fire prevention packing cover is the sacculus, be filled with high pressure heptafluoropropane gas in the fire prevention packing cover, fire prevention packing cover center department is provided with the passageway that holds the conductor and place so as to wrap up it in it, fire prevention packing cover outer wall adopts fire-retardant polyvinyl chloride material to make, wherein has seted up a plurality of holes of putting out a fire and has communicated with the gas cavity in it, the gluey hot melt adhesive that seals in the hole of putting out a fire; the cable is provided with the fireproof filling cover, when the cable meets the high temperature of an open fire, hot melt adhesive on the surface of the cable is melted by the high temperature, so that heptafluoropropane gas filled in the cable escapes from the fire extinguishing hole to extinguish the open fire, the influence of the fire on the conductor of the inner cable core is fully ensured, the integrity of the main function of the cable is protected, and the cost is greatly reduced in the subsequent maintenance process.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a fire control is with fire prevention shielding computer cable.
Background
Shielding computer cable adopts the copper conductor, it is strong to fill, weave the shielding, the cable that polyethylene insulation and polyethylene sheath are constituteed, superior shielding performance has, can do antistatic and electromagnetic interference resistance usefulness, at present electric power, mine, there is the dangerous use occasion of condition of a fire such as gas engineering, the user requires shielding computer cable to possess characteristics such as fire prevention safety, the cable requirement possesses fabulous fire behavior, present traditional shielding computer cable fire behavior is still scarce, when the condition of a fire takes place, its inside cable core conductor often can receive damage after the open flame burning, cause irreversible loss, therefore the utility model provides a fire control is with fire prevention shielding computer cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the traditional technology and providing a fire-fighting fireproof shielding computer cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fire control is with fire prevention shielding computer cable, includes the fire prevention packing cover, the fire prevention packing cover is filled in the cavity of depositing between sheath and conductor, the fire prevention packing cover sets up to a plurality of column type, fills in proper order deposit in the cavity, the fire prevention packing cover is the gasbag form, be filled with high-pressure heptafluoropropane gas in the fire prevention packing cover, fire prevention packing cover center department is provided with the appearance the passageway that the conductor was placed is so that wrap up it wherein, fire prevention packing cover outer wall adopts fire-retardant polyvinyl chloride material to make, has seted up a plurality of holes of putting out a fire and its interior gas chamber intercommunication wherein, it has the hot melt adhesive to glue to seal in the hole of putting out a fire.
Preferably, the sheath is made of flame-retardant polyvinyl chloride, and a total shielding layer is arranged in the inner wall of the sheath in a gluing mode.
Preferably, the total shielding layer is formed by weaving copper wires.
Preferably, the conductor is wrapped by the insulating layer and the fire-resistant layer from inside to outside, and the conductor is stranded by the pair of stranded belts by adopting unit type stranding.
Compared with the prior art, the utility model discloses possess following advantage:
the cable is provided with the fireproof filling cover, when the sheath outside the cable is affected by open fire and is locally melted, the sheath is made of flame-retardant polyvinyl chloride materials and has the characteristic of no flame delay, a plurality of melted holes are formed in the surface of the sheath, so that the fireproof filling cover is exposed and filled in the storage cavity, when the cable is exposed to the high temperature of the open fire, hot melt adhesive on the surface of the sheath is melted at high temperature, heptafluoropropane gas filled in the sheath escapes from the fire extinguishing holes to extinguish the open fire, a combustion chain is mainly interrupted in a heptafluoropropane fire extinguishing mechanism, the fire extinguishing speed is extremely high, an inner conductor is fully guaranteed to be free from the influence of the fire, the sheath after combustion is subsequently stripped, the fireproof filling cover in the cable is replaced, the outer sheath is glued through a thermal sealing reaction, the integrity of the main function of the cable is protected, and the cost is greatly reduced in the subsequent maintenance process.
Drawings
Fig. 1 is a schematic structural view of a fire-fighting fireproof shielding computer cable provided by the present invention;
fig. 2 is a schematic structural view of the fireproof filling cover of the present invention.
In the figure: 1. a fire-resistant infill cover; 11. fire extinguishing holes; 12. hot melt adhesive; 2. a sheath; 21. a total shielding layer; 3. a conductor; 31. an insulating layer; 32. a refractory layer; 33. a pair of twisted belts; 4. and storing the cavity.
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 and 2, the shielding computer cable comprises a fireproof filling cover 1, the fireproof filling cover 1 is filled in a storage cavity 4 between a sheath 2 and a conductor 3, the influence of smoke and corrosive gas generated during the combustion of common polyvinyl chloride on the environment and equipment is gradually reduced due to the use of the common polyvinyl chloride in the computer cable, the flame-retardant polyvinyl chloride has the characteristic of flame retardation, and the sheath 2 is made of flame-retardant polyvinyl chloride;
the inner wall of the sheath 2 is glued with a total shielding layer 21, the cable is relatively soft due to the large longitudinal tension of the copper wire weaving, and the total shielding layer 21 is formed by weaving the copper wire;
the conductor 3 is wrapped by the insulating layer 31 and the fire-resistant layer 32 from inside to outside, the conductor 3 is stranded by the pair stranded belt 33 by adopting unit type stranding, the unit type stranding structure is stable, the transmission parameter is stable, the electromagnetic coupling can be reduced, and the anti-interference capability is improved;
the fireproof filling cover 1 is arranged into a plurality of columnar shapes and is sequentially filled in the storage cavity 4, the fireproof filling cover 1 is in an air sac shape, high-pressure heptafluoropropane gas is filled in the fireproof filling cover 1, and the heptafluoropropane gas is colorless, odorless, low in toxicity, non-conductive, free of pollution to a protected object and free of damage to property and precision facilities;
the center of the fireproof filling cover 1 is provided with a channel for accommodating the conductor 3 so as to wrap the conductor, the outer wall of the fireproof filling cover 1 is made of flame-retardant polyvinyl chloride, a plurality of fire extinguishing holes 11 are formed in the fireproof filling cover and communicated with an air cavity in the fireproof filling cover, hot melt adhesive 12 is sealed in the fire extinguishing holes 11 in a gluing mode, when a cable is burnt, the physical state of the hot melt adhesive 12 changes and is further melted, high-pressure heptafluoropropane gas contained in the fireproof filling cover 1 escapes from the fire extinguishing holes 11 to extinguish open fire, and the inner conductor 3 is prevented from being influenced by fire;
this shielding computer cable is when meetting the conflagration:
the sheath 2 outside the cable is affected by open fire to be locally melted, and the sheath 2 is made of flame-retardant polyvinyl chloride material and has the characteristic of no flame spread, so that a plurality of melted holes are formed on the surface of the sheath, thereby exposing the fireproof filling cover 1, the fireproof filling cover 1 is filled in the storage cavity 4, when the temperature is high when exposed to open fire, the surface hot melt adhesive 12 is melted by high temperature, so that the heptafluoropropane gas filled in the surface hot melt adhesive escapes from the fire extinguishing hole 11 to extinguish the open fire, the heptafluoropropane fire extinguishing mechanism mainly interrupts a combustion chain, the fire extinguishing speed is very high, the inner cable core conductor 3 is fully ensured to be free from the influence of fire, the integrity of the main function of the cable is protected, the cost is greatly reduced in the subsequent maintenance process, the sheath 2 after burning is peeled off subsequently, the fireproof filling cover 1 in the sheath is replaced, the outer sheath 2 is glued through heat seal reaction, and then the maintenance and protection of the cable can be completed.
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 (4)
1. The utility model provides a fire control is with fire prevention shielding computer cable, fills cover (1) including the fire prevention, its characterized in that, the fire prevention is filled cover (1) and is filled in depositing cavity (4) between sheath (2) and conductor (3), fire prevention is filled cover (1) and is set up to a plurality of column type, fills in proper order deposit in cavity (4), fire prevention is filled cover (1) and is described for the gasbag, be filled with high-pressure heptafluoropropane gas in fire prevention is filled cover (1), fire prevention is filled cover (1) center department and is provided with the volume passageway that conductor (3) were placed is so that it wraps up wherein, fire prevention is filled cover (1) outer wall and is made by fire-retardant polyvinyl chloride material, has seted up a plurality of holes of putting out a fire (11) and its gas cavity intercommunication, it has hot melt adhesive (12) to glue sealed in hole of putting out a fire (11).
2. The fire-fighting fireproof shielding computer cable according to claim 1, wherein the sheath (2) is made of flame-retardant polyvinyl chloride, and a total shielding layer (21) is glued inside the inner wall of the sheath (2).
3. A fire-protection shielding computer cable for fire fighting according to claim 2, characterized in that the total shielding layer (21) is constructed by copper wire weaving.
4. A fire-protection shielding computer cable for fire fighting according to claim 1, characterized in that the conductor (3) is wrapped by an insulating layer (31) and a fire-resistant layer (32) from inside to outside, and the conductor (3) is stranded by a pair of stranding tapes (33) in a unit stranding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121337611.7U CN214705532U (en) | 2021-06-16 | 2021-06-16 | Fire control is with fire prevention shielding computer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121337611.7U CN214705532U (en) | 2021-06-16 | 2021-06-16 | Fire control is with fire prevention shielding computer cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214705532U true CN214705532U (en) | 2021-11-12 |
Family
ID=78555791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121337611.7U Active CN214705532U (en) | 2021-06-16 | 2021-06-16 | Fire control is with fire prevention shielding computer cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214705532U (en) |
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2021
- 2021-06-16 CN CN202121337611.7U patent/CN214705532U/en active Active
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