CN220065242U - Low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire - Google Patents
Low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire Download PDFInfo
- Publication number
- CN220065242U CN220065242U CN202321087159.2U CN202321087159U CN220065242U CN 220065242 U CN220065242 U CN 220065242U CN 202321087159 U CN202321087159 U CN 202321087159U CN 220065242 U CN220065242 U CN 220065242U
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- Prior art keywords
- flame
- retardant
- protective sleeve
- fire
- resistant
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 59
- 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 title claims abstract description 49
- 239000000779 smoke Substances 0.000 title claims abstract description 12
- 230000009970 fire resistant effect Effects 0.000 title claims description 50
- 230000001681 protective effect Effects 0.000 claims abstract description 82
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 230000007613 environmental effect Effects 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 239000010445 mica Substances 0.000 description 5
- 229910052618 mica group Inorganic materials 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a low-smoke halogen-free flame-retardant environment-friendly wire, which comprises an outer flame-retardant component and an inner flame-retardant component, wherein the outer flame-retardant component comprises an outer protective sleeve and an inner protective sleeve, a flame-retardant coating is arranged in a first gap, the inner flame-retardant component comprises a protective sleeve and an insulating sleeve, a wire is arranged in the insulating sleeve, the insulating sleeve is arranged in the protective sleeve, the flame-retardant coating is arranged in a second gap, the flame-retardant performance of a wire and a cable is strong by arranging the outer flame-retardant component and the inner flame-retardant component, and the surface of the outer protective sleeve is coated with a layer of flame-retardant coating, so that the flame-retardant performance of the outer protective sleeve is improved.
Description
Technical Field
The utility model relates to the technical field of flame-retardant wires, in particular to a low-smoke halogen-free flame-retardant environment-friendly wire.
Background
The electric wire is a wire for transmitting electric energy and can effectively conduct current, the electric wire has a simple structure, the electric wire has a complex structure, the electric wire comprises a conductor layer and an insulating layer sequentially from inside to outside, the conductor is a conductive part of the electric wire and the electric cable and is used for transmitting electric energy, the electric wire and the electric cable are main parts, and the insulating layer is an indispensable component part in the structure of the electric wire and the electric cable and is used for electrically isolating the conductor from the ground and the conductors with different phases;
with the improvement of environmental awareness, the common PVC insulated wire is gradually eliminated because of containing toxic substances such as halogen and the like, and a novel environmental protection insulated wire is generated, the current environmental protection insulated wire mainly adopts a polyethylene insulated wire and a crosslinked polyethylene insulated wire, but the cable does not have flame retardance and heat resistance, so that the service characteristics of the cable are greatly influenced, and the novel environmental protection insulated wire has excellent insulating electrical property, mechanical property, and certain flame retardance, heat resistance and fire resistance;
along with the continuous development of the flame-retardant technology in China, the technical level of flame-retardant and fire-resistant cables is gradually improved, but the fire-resistant cables mainly adopt mica tapes as fire-resistant layers, the probability of breakage of the mica tapes in the wrapping process is high, the mica tapes are easy to fall off, and the fire-resistant time and the fire-resistant strength are low.
Disclosure of Invention
The utility model provides a low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire, which aims to solve the technical problems that a mica tape is mainly used as a fire-resistant layer in the current fire-resistant cable, the mica tape is high in fracture probability and easy to fall off in the wrapping process, and the fire-resistant time and the fire-resistant strength are low.
The technical scheme adopted for solving the technical problems is as follows: the low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire comprises a structural main body, wherein the structural main body comprises an outer layer fire-resistant component and an inner layer flame-retardant component;
the outer layer fireproof assembly comprises an outer protective sleeve and an inner protective sleeve, the inner protective sleeve is arranged in the outer protective sleeve, a gap is formed between the outer protective sleeve and the inner protective sleeve to form a first gap, and a fireproof coating is arranged in the first gap;
the inner layer flame-retardant assembly comprises a protective sleeve and an insulating sleeve, wherein a wire is arranged inside the insulating sleeve, the insulating sleeve is arranged inside the protective sleeve, and gaps are formed between the protective sleeve and the insulating sleeve to form four second gaps, and a flame-retardant coating is arranged inside the second gaps.
Preferably, the fire resistant coating comprises at least one layer of fire resistant paper wrapped around the surface of the inner protective sheath, with the fire resistant paper in contact with but unattached to the inner side wall of the outer protective sheath.
Preferably, the flame-retardant coating comprises a flame retardant filled in the second gap, and the flame retardant is respectively contacted with the inner side wall of the protective sleeve and the outer side wall of the insulating sleeve.
Preferably, the protection sleeve is arranged in the inner protection sleeve, an interval is arranged between the inner protection sleeve and the protection sleeve, a plurality of protruding blocks are arranged between the protection sleeve and the inner protection sleeve, and the protruding blocks are uniformly distributed.
Preferably, the outer surface of the outer protective sheath is coated with a layer of refractory coating.
Compared with the prior art, the utility model has the beneficial effects that:
through setting up outer fire-resistant subassembly and the fire-retardant subassembly of inlayer, outer fire-resistant subassembly includes outer protective sheath and interior protective sheath, and have the interval in order to form first clearance between outer protective sheath and the interior protective sheath, the inside in first clearance is equipped with fire-resistant coating, make the fire-resistant fire-retardant performance of wire and cable strong, coat one deck fire-resistant coating layer on the surface of outer protective sheath, thereby improve the fire-resistant performance of outer protective sheath, in addition, still be provided with fire-resistant coating between outer protective sheath and interior protective sheath, the fire-retardant subassembly of inlayer includes protective sheath and insulating cover, and have the interval in order to form four second clearances between protective sheath and the insulating cover, the inside in second clearance is equipped with fire-retardant coating, and then the realization improves the fire-resistant fire-retardant performance of wire and cable through setting up multiple structure that has fire-resistant flame retardant effect, and in addition, the practicality is strong, still be provided with the polylith lug, avoid wire and cable to receive the effect that the wire leads to the fact the influence after external impact force.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of another embodiment of the present utility model.
Reference numerals in the drawings:
the protective sleeve comprises an outer protective sleeve 1, a second gap 2, a first gap 3, an insulating sleeve 4, an inner protective sleeve 5, a wire 6, a fireproof coating layer 7, a fireproof coating 8, a protective sleeve 9, a lug 10 and a flame-retardant coating 11.
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.
1-2, the utility model provides a low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire, which comprises a structural main body, wherein the structural main body comprises an outer fire-resistant component and an inner flame-retardant component;
the outer fireproof assembly comprises an outer protective sleeve 1 and an inner protective sleeve 5, the inner protective sleeve 5 is arranged in the outer protective sleeve 1, a space is reserved between the outer protective sleeve 1 and the inner protective sleeve 5 to form a first gap 3, and a fireproof coating 8 is arranged in the first gap 3;
the inner layer flame-retardant assembly comprises a protective sleeve 9 and an insulating sleeve 4, a wire 6 is arranged inside the insulating sleeve 4, the insulating sleeve 4 is arranged inside the protective sleeve 9, gaps are reserved between the protective sleeve 9 and the insulating sleeve 4 to form four second gaps 2, and a flame-retardant coating 11 is arranged inside the second gaps 2.
The fireproof 8 layers comprise at least one layer of fireproof paper wound on the surface of the inner protective sleeve 5, and meanwhile the fireproof paper is in contact with but not connected with the inner side wall of the outer protective sleeve 1, so that the fireproof paper can play a role in preventing fire from spreading.
The flame retardant coating 11 comprises a flame retardant filled in the second gap 2, and the flame retardant is respectively in contact with the inner side wall of the protective sleeve 9 and the outer side wall of the insulating sleeve 4, if the inside of the electric wire and the cable is on fire, and after the insulating sleeve 4 is burnt out, the flame retardant falls into the flame retardant in the insulating sleeve 4 from the burnt-out hole, so that the flame retardant can play a role in avoiding fire spreading.
The inside of interior protective sheath 5 is located to protective sheath 9, and have the interval between interior protective sheath 5 and the protective sheath 9, be equipped with a plurality of lugs 10 between protective sheath 9 and the interior protective sheath 5 simultaneously, a plurality of lug 10 evenly distributed sets up, and the length of lug 10 is equivalent to the length of wire 6, can play the effect of support, avoids wire and cable to cause the damage because of receiving external impact force.
The outer surface of the outer protective sleeve 1 is coated with a layer of fire-resistant coating 7, and the fire-resistant coating 7 can greatly improve the fire resistance of the outer protective sleeve 1, and the possibility of fire initiation of an electric wire cable can be delayed or reduced through the layer of fire-resistant coating 7 under the condition of facing a fire.
Working principle: through setting up outer fire-resistant subassembly and the fire-retardant subassembly of inlayer, outer fire-resistant subassembly includes outer protective sheath and interior protective sheath, and have the interval in order to form first clearance between outer protective sheath and the interior protective sheath, the inside in first clearance is equipped with fire-resistant coating, make the fire-resistant fire-retardant performance of wire and cable strong, coat one deck fire-resistant coating layer on the surface of outer protective sheath, thereby improve the fire-resistant performance of outer protective sheath, in addition, still be provided with fire-resistant coating between outer protective sheath and interior protective sheath, the fire-retardant subassembly of inlayer includes protective sheath and insulating cover, and have the interval in order to form four second clearances between protective sheath and the insulating cover, the inside in second clearance is equipped with fire-retardant coating, and then the realization improves the fire-resistant fire-retardant performance of wire and cable through setting up multiple structure that has fire-resistant flame retardant effect, and in addition, the practicality is strong, still be provided with the polylith lug, avoid wire and cable to receive the effect that the wire leads to the fact the influence after external impact force.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire is characterized by comprising a structural main body, wherein the structural main body comprises an outer layer fire-resistant component and an inner layer flame-retardant component;
the outer layer fireproof assembly comprises an outer protective sleeve and an inner protective sleeve, the inner protective sleeve is arranged in the outer protective sleeve, a gap is formed between the outer protective sleeve and the inner protective sleeve to form a first gap, and a fireproof coating is arranged in the first gap;
the inner layer flame-retardant assembly comprises a protective sleeve and an insulating sleeve, wherein a wire is arranged inside the insulating sleeve, the insulating sleeve is arranged inside the protective sleeve, and gaps are formed between the protective sleeve and the insulating sleeve to form four second gaps, and a flame-retardant coating is arranged inside the second gaps.
2. A low smoke zero halogen fire resistant environmentally friendly wire according to claim 1 wherein said fire resistant coating comprises at least one layer of fire resistant paper wrapped around the surface of the inner protective sheath with said fire resistant paper in contact with but not attached to the inside wall of the outer protective sheath.
3. The low-smoke halogen-free fire-resistant flame-retardant environmental-friendly wire according to claim 1, wherein the flame-retardant coating comprises a flame retardant filled in the second gap, and the flame retardant is respectively contacted with the inner side wall of the protective sleeve and the outer side wall of the insulating sleeve.
4. The low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire according to claim 1, wherein the protective sleeve is arranged in the inner protective sleeve, an interval is arranged between the inner protective sleeve and the protective sleeve, a plurality of protruding blocks are arranged between the protective sleeve and the inner protective sleeve, and the protruding blocks are uniformly distributed.
5. The low smoke zero halogen fire-resistant flame-retardant environmental protection wire of claim 1 wherein the outer surface of the outer protective sheath is coated with a layer of fire-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321087159.2U CN220065242U (en) | 2023-05-07 | 2023-05-07 | Low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321087159.2U CN220065242U (en) | 2023-05-07 | 2023-05-07 | Low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220065242U true CN220065242U (en) | 2023-11-21 |
Family
ID=88763655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321087159.2U Active CN220065242U (en) | 2023-05-07 | 2023-05-07 | Low-smoke halogen-free fire-resistant flame-retardant environment-friendly wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220065242U (en) |
-
2023
- 2023-05-07 CN CN202321087159.2U patent/CN220065242U/en active Active
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