CN220272195U - High-strength compression-resistant fireproof cable - Google Patents
High-strength compression-resistant fireproof cable Download PDFInfo
- Publication number
- CN220272195U CN220272195U CN202321682432.6U CN202321682432U CN220272195U CN 220272195 U CN220272195 U CN 220272195U CN 202321682432 U CN202321682432 U CN 202321682432U CN 220272195 U CN220272195 U CN 220272195U
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- Prior art keywords
- fire extinguishing
- cable
- fire
- resistant
- layer
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- 230000006835 compression Effects 0.000 title claims abstract description 26
- 238000007906 compression Methods 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 230000009970 fire resistant effect Effects 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000010931 gold Substances 0.000 abstract description 5
- 229910052737 gold Inorganic materials 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a high-strength compression-resistant fireproof cable which comprises a cable main body, wherein a cable core is arranged in the center of the cable main body, an inner liner is arranged at the outer end of the cable core, fireproof filling is arranged in a crack between the inner liner and the cable core, a shielding layer is arranged on the outer end face of the inner liner, a heat insulation layer is arranged on the outer end face of the shielding layer, a compression-resistant layer is arranged on the outer end face of the heat insulation layer, a caulking groove is formed in the surface of the compression-resistant layer, a fire extinguishing block is arranged in the caulking groove, a cavity is arranged in the fire extinguishing block, a fire extinguishing agent is arranged in the cavity, and a jet slit is formed in the cavity. According to the fire extinguishing device, the fire extinguishing block is arranged at the outer end of the compression-resistant layer, when external flames are roasted, fire extinguishing gold close to the side wall is heated and expanded preferentially through heat conduction of the fire extinguishing block, so that central fire extinguishing agent can be sprayed out from the spraying seam rapidly and cover the flames, and the flames are isolated from air, so that fire extinguishing is realized.
Description
Technical Field
The utility model relates to the technical field of fireproof cables, in particular to a high-strength compression-resistant fireproof cable.
Background
The electric wire and cable can be used for transmitting and distributing electric energy and transmitting information, and is a 'fire-fighting wire' which is easy to cause fire. The common cable can not be electrified once being burnt when a fire disaster actually occurs, and in case of the fire disaster in many important occasions, personnel evacuation, illumination of a channel, a fireproof alarm device, automatic fire-fighting facilities and other emergency equipment all require that the cable can be normally electrified within a specified time when the fire disaster occurs, so that precious time is won to the maximum extent, and casualties and property loss of personnel are reduced. Therefore, there is an increasing demand for fire resistant cables.
The existing fire-resistant cable mostly improves the fire-proof capability of the cable by coating fire-resistant flame-retardant materials on the surface of the cable, but the fire-resistant time of the fire-resistant flame-retardant materials is limited, the fire-retardant effect is lost after the fire-resistant flame-retardant materials are melted at high temperature, and the cable is affected by surrounding flames when fire occurs due to the fact that the resistance of the wire is increased along with the increase of the temperature, so that the resistance of the cable is increased, the voltage is unstable, the internal resistance is increased, the spontaneous combustion of the cable is easily caused from the inside, and the safety and the stability of the cable are reduced.
Disclosure of Invention
The utility model aims to provide a high-strength compression-resistant fireproof cable, which is used for solving the problems of poor fireproof performance and poor heat insulation effect of the cable in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-strength resistance to compression fireproof cable, includes the cable main part, the center of cable main part is provided with the cable core, the outer end of cable core is provided with the inner liner, be provided with the fire prevention in the crack of inner liner and the cable core of conducting, the outer terminal surface of inner liner is provided with the shielding layer, the outer terminal surface of shielding layer is provided with the insulating layer, the outer terminal surface of insulating layer is provided with the compressive layer, the caulking groove has been seted up on the surface of compressive layer, be provided with the fire extinguishing block in the caulking groove, be provided with the cavity in the fire extinguishing block, be provided with the fire extinguishing agent in the cavity, set up the injection slit on the cavity, the outer terminal surface of compressive layer is provided with the insulating layer, the outer terminal surface of insulating layer is provided with fire-retardant coating.
Preferably, the fire extinguishing block is in a circular arc structure, and the injection slot is positioned in the center of the fire extinguishing block, so that when the internal fire extinguishing agent expands, the internal fire extinguishing agent can be rapidly sprayed out of the injection slot, and the fire extinguishing agent can be lifted by the narrow injection slot.
Preferably, the fire extinguishing block is made of aluminum, the aluminum material is softer than other metals, so that the cable can be bent, and the aluminum has good heat conduction performance, when the external flame is roasted, the fire extinguishing block conducts heat, so that fire extinguishing gold close to the side wall is heated and expanded preferentially, the central fire extinguishing agent is not required to be directly sprayed out, the sprayed fire extinguishing agent is heated and expanded after being covered on the flame, the flame is isolated from air, and fire is extinguished, so that the surrounding of the cable is extinguished.
Preferably, the fire extinguishing agent is prepared from perlite powder, and the perlite rapidly expands 5-50 times when heated, so that the fire extinguishing agent is a good powder fire extinguishing agent.
Preferably, the compression-resistant layer is made of PVC material, and the structural strength of the cable is enhanced through the compression-resistant layer.
Preferably, the heat insulation layer is made of flame-retardant foam, and the cable core is separated from the external environment through the flame-retardant foam, so that the influence of external high temperature on the cable core is reduced.
Preferably, the section of the conductive cable core is of a fan-shaped structure, so that the conductive cable core can fully utilize the space in the lining layer, and the sectional area is increased to reduce the resistance.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the fire extinguishing block is arranged at the outer end of the compression-resistant layer, when external flame is roasted, the fire extinguishing block conducts heat, so that fire extinguishing gold close to the side wall is heated and expanded preferentially, the central fire extinguishing agent can be sprayed out from the spraying seam rapidly, and is covered on the flame to isolate the flame from air, thereby realizing fire extinguishment, and further extinguishing the surrounding of the cable, and the fire resistance of the cable is greatly improved.
2. According to the utility model, the compression-resistant layer is arranged in the cable main body, so that the compression-resistant capability of the cable main body is improved, and the service life of the cable is prolonged.
3. According to the utility model, the heat insulation layer is arranged in the cable main body, and the heat insulation layer separates the cable core from the external environment, so that the influence of external high temperature on the cable core is reduced, and the performance of the cable at high temperature is ensured.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1 A-A in accordance with the present utility model.
In the figure: 1 cable main body, 11 cable core, 12 lining layer, 121 fire-proof filling, 13 shielding layer, 14 heat-insulating layer, 15 compression-resisting layer, 151 caulking groove, 16 fire-extinguishing block, 161 cavity, 162 injection seam, 17 fire-extinguishing agent, 18 insulating layer, 19 fire-proof paint.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 and 2, a high-strength compression-resistant fireproof cable in the illustration comprises a cable main body 1, a cable core 11 is arranged in the center of the cable main body 1, an inner liner 12 is arranged at the outer end of the cable core 11, fireproof filling 121 is arranged in a crack between the inner liner 12 and the cable core 11, a shielding layer 13 is arranged on the outer end face of the inner liner 12, a heat insulation layer 14 is arranged on the outer end face of the shielding layer 13, a compression-resistant layer 15 is arranged on the outer end face of the heat insulation layer 14, an embedding groove 151 is formed in the surface of the compression-resistant layer 15, a fire extinguishing block 16 is arranged in the fire extinguishing block 16, a fire extinguishing agent 17 is arranged in the cavity 161, an injection slot 162 is formed in the cavity 161, an insulating layer 18 is arranged on the outer end face of the compression-resistant layer 15, and a fireproof paint 19 is arranged on the outer end face of the insulating layer 18.
The fire extinguishing block 16 is in a circular arc structure, the injection slit 162 is positioned in the center of the fire extinguishing block 16, when the internal fire extinguishing agent 17 expands, the internal fire extinguishing agent can be rapidly sprayed out by the injection slit 162, and the injection range of the fire extinguishing agent 17 can be improved by the narrow injection slit 162.
The fire extinguishing block 16 is made of aluminum, the aluminum material is softer than other metals, so that the cable can be bent, and the aluminum has good heat conduction performance, when the external flame is roasted, the fire extinguishing block 16 conducts heat, so that fire extinguishing gold close to the side wall is heated and expanded preferentially, the central fire extinguishing agent 17 is directly sprayed out without expansion, the sprayed fire extinguishing agent 17 is heated and expanded after being covered on the flame, the flame is isolated from air, and the fire is extinguished, so that the surrounding of the cable is extinguished.
The fire extinguishing agent 17 is made of perlite powder, and the perlite can be rapidly expanded by 5-50 times when heated, so that the fire extinguishing agent is good powder fire extinguishing agent 17.
The compressive layer 15 is made of PVC material, and the structural strength of the cable is enhanced through the compressive layer 15.
The insulating layer 14 is made of flame-retardant foam, and the cable core 11 is separated from the external environment by the flame-retardant foam, so that the influence of external high temperature on the cable core 11 is reduced.
The cross section of the cable core 11 is a fan-shaped structure, so that the cable core 11 can fully utilize the space in the inner liner 12, and the cross section area is increased to reduce the resistance.
The cable is used when: when the external flame is roasted, the insulating layer 18 is melted, the flame roasting fire extinguishing block 16 conducts heat through the fire extinguishing block 16, so that fire extinguishing gold close to the side wall is heated and expanded preferentially, the central fire extinguishing agent 17 can be sprayed out from the spraying seam 162 rapidly under the pressure effect and is covered on the flame around the cable, the heated powder expands again to isolate the flame from air, fire extinguishing is realized, the fire resistance of the cable is greatly improved, the heat insulating layer 14 is arranged in the cable main body 1, the conductive cable core 11 is separated from the external environment through the heat insulating layer 14, the influence of external high temperature on the conductive cable core 11 is reduced, and the performance of the cable at high temperature is ensured.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high strength compression resistant fire resistant cable comprising:
cable main part (1), the center of cable main part (1) is provided with conductive cable core (11), the outer end of conductive cable core (11) is provided with inner liner (12), be provided with fire prevention packing (121) in the crack of inner liner (12) and conductive cable core (11), the outer terminal surface of inner liner (12) is provided with shielding layer (13), the outer terminal surface of shielding layer (13) is provided with insulating layer (14), the outer terminal surface of insulating layer (14) is provided with compressive layer (15), caulking groove (151) have been seted up on the surface of compressive layer (15), be provided with fire extinguishing block (16) in caulking groove (151), be provided with cavity (161) in fire extinguishing agent (17) in cavity (161), set up on cavity (161) and spray seam (162), the outer terminal surface of compressive layer (15) is provided with insulating layer (18), the outer terminal surface of insulating layer (18) is provided with fire-retardant coating (19).
2. A high strength compression resistant fire resistant cable as defined in claim 1 wherein: the fire extinguishing block (16) is of a circular arc structure, and the injection slit (162) is positioned in the center of the fire extinguishing block (16).
3. A high strength compression resistant fire resistant cable as defined in claim 1 wherein: the fire extinguishing block (16) is made of aluminum.
4. A high strength compression resistant fire resistant cable as defined in claim 1 wherein: the fire extinguishing agent (17) is made of perlite powder.
5. A high strength compression resistant fire resistant cable as defined in claim 1 wherein: the compression-resistant layer (15) is made of PVC material.
6. A high strength compression resistant fire resistant cable as defined in claim 1 wherein: the heat insulation layer (14) is made of flame-retardant foam.
7. A high strength compression resistant fire resistant cable as defined in claim 1 wherein: the section of the conductive cable core (11) is of a fan-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321682432.6U CN220272195U (en) | 2023-06-29 | 2023-06-29 | High-strength compression-resistant fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321682432.6U CN220272195U (en) | 2023-06-29 | 2023-06-29 | High-strength compression-resistant fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272195U true CN220272195U (en) | 2023-12-29 |
Family
ID=89317753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321682432.6U Active CN220272195U (en) | 2023-06-29 | 2023-06-29 | High-strength compression-resistant fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220272195U (en) |
-
2023
- 2023-06-29 CN CN202321682432.6U patent/CN220272195U/en active Active
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| GR01 | Patent grant |