CN210837223U - Low-smoke halogen-free flame-retardant wire - Google Patents
Low-smoke halogen-free flame-retardant wire Download PDFInfo
- Publication number
- CN210837223U CN210837223U CN201922382050.1U CN201922382050U CN210837223U CN 210837223 U CN210837223 U CN 210837223U CN 201922382050 U CN201922382050 U CN 201922382050U CN 210837223 U CN210837223 U CN 210837223U
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- metal conductor
- wire
- layer
- central metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 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 26
- 239000000779 smoke Substances 0.000 title claims abstract description 25
- 239000003063 flame retardant Substances 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 75
- 239000002184 metal Substances 0.000 claims abstract description 75
- 239000003365 glass fiber Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 40
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 17
- 150000002367 halogens Chemical class 0.000 claims abstract description 17
- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 239000012212 insulator Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004743 Polypropylene Substances 0.000 claims abstract description 8
- -1 polypropylene Polymers 0.000 claims abstract description 8
- 229920001155 polypropylene Polymers 0.000 claims abstract description 8
- 239000004677 Nylon Substances 0.000 claims abstract description 5
- 229920001778 nylon Polymers 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 239000011152 fibreglass Substances 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 241000283984 Rodentia Species 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 241000699666 Mus <mouse, genus> Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
Images
Abstract
The utility model provides a low smoke and zero halogen flame retardant wire, it makes the electric wire fire-retardant, and possesses the performance that the protection against rodents stings. The glass fiber reinforced plastic composite material comprises an outer sheath, a glass fiber belt layer, an inner sheath, a glass fiber yarn layer and an insulator, wherein the outer sheath, the glass fiber belt layer, the inner sheath, the glass fiber yarn layer and the insulator are sequentially arranged from outside to inside, a central metal conductor is arranged in the insulated inner cavity, the glass fiber yarn is wrapped on the periphery of the insulator to form the glass fiber yarn layer, the glass fiber yarn is wrapped on the periphery of the inner sheath to form the glass fiber belt layer, the inner sheath is a modified flame-retardant polypropylene insulating material layer, and the outer sheath is a nylon sheath material layer.
Description
Technical Field
The utility model relates to a technical field of electric wire structure specifically is a low smoke and zero halogen flame retardant wire.
Background
The traditional electric wire in the market is a polyvinyl chloride insulated electric wire. The smoke generated by the polyvinyl chloride insulated wire during combustion contains a large amount of CO, CO2 and chloride, and the smoke of other cables also contains bromide, fluoride and hydrogen sulfide, which are very harmful to people.
Some low-smoke halogen-free products are also available in the market, and halogen-free low-smoke flame-retardant polyolefin is generally adopted as an insulating material. However, the material has poor low-temperature resistance, is easy to absorb water, has poor insulating property, and is easy to reduce and age after long-term use. Thereby affecting the product quality and causing potential safety hazard. In addition, the cable is often bitten by mice after being installed and laid, so that the cable is short-circuited and has power failure.
Disclosure of Invention
To the problem, the utility model provides a low smoke and zero halogen flame retardant wire, it makes the electric wire fire-retardant, and possesses the performance that the protection against rodents stings.
A low smoke zero halogen flame retardant wire is characterized in that: the glass fiber reinforced plastic composite material comprises an outer sheath, a glass fiber belt layer, an inner sheath, a glass fiber yarn layer and an insulator, wherein the outer sheath, the glass fiber belt layer, the inner sheath, the glass fiber yarn layer and the insulator are sequentially arranged from outside to inside, a central metal conductor is arranged in the insulated inner cavity, the glass fiber yarn is wrapped on the periphery of the insulator to form the glass fiber yarn layer, the glass fiber yarn is wrapped on the periphery of the inner sheath to form the glass fiber belt layer, the inner sheath is a modified flame-retardant polypropylene insulating material layer, and the outer sheath is a nylon sheath material layer.
It is further characterized in that:
the integral equivalent area of the central metal conductor is not more than 6mm2Meanwhile, the central metal conductor is of a single solid structure;
the integral equivalent area of the central metal conductor is 6mm2～10mm2The central metal conductor is formed by twisting a plurality of metal wires with equal diameters, and specifically comprises a central metal wire and a layer of inner ring metal wire, wherein the inner ring metal wire is annularly distributed on the outer circumference of the central metal wire to form a 1+6 stranded wire structure;
the integral equivalent area of the central metal conductor is more than 10mm2When the metal conductor is used, the central metal conductor is formed by twisting a plurality of metal wires with equal diameters, the central metal conductor specifically comprises a central metal wire, an inner ring metal wire and an outer ring metal wire, a metal contact ring sleeve is sleeved on an equivalent outer ring surface formed by the inner ring metal wire, and the outer ring metal wire is annularly distributed on the periphery of the metal contact ring sleeve to form a 1+6+12 twisted wire structure;
the central metal conductor is made of a copper-clad aluminum alloy material;
the thickness of the single side of the inner sheath is 0.3-0.6 mm, and the corresponding modified flame-retardant polypropylene insulating material has the effects of no halogen, low smoke, flame retardance and environmental protection;
the single-side thickness of the outer sheath is 0.2-0.5 mm;
the thickness of the single side of the glass fiber yarn layer is 0.2 mm-0.4 mm;
the thickness of the single side of the insulation is 0.2 mm-0.5 mm, and the material of the insulation is specifically high-density polyethylene, medium-density polyethylene or linear low-density polyethylene;
the thickness of the single side of the glass fiber belt layer is 0.2 mm-0.4 mm.
After the technical scheme is adopted, the inner sheath is made of the modified polypropylene insulating material, and the polypropylene is a nonpolar material, so that the inner sheath has better electrical property and heat resistance, the electrical property is improved by 100 times compared with that of a low-smoke halogen-free insulating material, and the long-term working temperature of the wire is improved to 120 ℃ from 90 ℃ of the traditional low-smoke halogen-free insulating material; the cable is almost free from water absorption, so that the insulating property is not influenced by humidity, the cable can safely operate in a humid environment, the outer sheath is made of nylon, the surface of the cable is smooth, the cable is easy to lay and install, and the rat and ant resistance is good; the glass fiber yarn is wrapped on the periphery of the insulation to form a glass fiber yarn layer, the glass fiber tape is wrapped on the periphery of the inner sheath to form a glass fiber tape layer, and the mouth of a mouse is stabbed by the double-layer glass fiber in the mouse damage area, so that the mouse-proof function is achieved; in conclusion, the flame-retardant wire is flame-retardant and has the performance of preventing the rat bite.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a second embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure diagram of a third embodiment of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the cable comprises an outer sheath 1, a glass fiber belt layer 2, an inner sheath 3, a glass fiber yarn layer 4, insulation 5, a central metal conductor 6, a central metal wire 61, an inner ring metal wire 62, an outer ring metal wire 63 and a metal contact ring sleeve 7.
Detailed Description
A low smoke zero halogen flame retardant wire is shown in figures 1-3: it includes that the cross section that outside-in arranged in proper order is annular oversheath 1, glass fiber tape layer 2, inner sheath 3, glass fiber yarn layer 4, insulating 5, and central metal conductor 6 has been arranged in insulating 5's the inner chamber, and the glass fiber yarn forms glass fiber yarn layer 4 around the periphery of wrapping in insulating 5, and the glass fiber tape is around wrapping in the periphery of inner sheath 3 and is formed glass fiber tape layer 2, and inner sheath 3 specifically is the flame retardant polypropylene insulation material layer of modification, and oversheath 1 specifically is the nylon sheath material layer.
The central metal conductor 6 is made of copper-clad aluminum alloy material, the conductor is made of copper-clad aluminum alloy material, the same current is transmitted by considering the skin effect of the current, and the cost of the copper-clad aluminum alloy can be saved by more than 30% compared with that of the copper conductor.
The thickness of the single side of the inner sheath 3 is 0.3-0.6 mm, and the corresponding modified flame-retardant polypropylene insulating material has the effects of no halogen, low smoke, flame retardance and environmental protection.
The unilateral thickness of the outer sheath 1 is 0.2-0.5 mm; the unilateral thickness of the glass fiber yarn layer 4 is 0.2 mm-0.4 mm; the thickness of the single side of the insulation 5 is 0.2 mm-0.5 mm, and the material of the insulation 5 is specifically high-density polyethylene, medium-density polyethylene or linear low-density polyethylene; the thickness of the single side of the glass fiber belt layer 2 is 0.2 mm-0.4 mm.
The first specific embodiment is shown in fig. 1: the overall equivalent area of the central metal conductor 6 is not more than 6mm2Meanwhile, the central metal conductor 6 is of a single solid structure.
The second embodiment is shown in fig. 2: the overall equivalent area of the central metal conductor 6 is 6mm2～10mm2Meanwhile, the central metal conductor is formed by twisting a plurality of metal wires with equal diameters, and specifically comprises a central metal wire 61 and a layer of inner ring metal wire 62, wherein the inner ring metal wire 62 is annularly distributed on the outer circumference of the central metal wire 61 to form a 1+6 stranded wire structure.
The third specific embodiment is shown in fig. 3: the overall equivalent area of the central metal conductor 6 is more than 10mm2When the metal conductor is used, the central metal conductor 6 is formed by twisting a plurality of metal wires with equal diameters, the central metal conductor specifically comprises a central metal wire 61, an inner ring metal wire 62 and an outer ring metal wire 63, a metal contact ring sleeve 7 is sleeved on an equivalent outer ring surface formed by the inner ring metal wire 62, and the outer ring metal wire 63 is annularly distributed on the periphery of the metal contact ring sleeve 7 to form a 1+6+12 twisted wire structure.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A low smoke zero halogen flame retardant wire is characterized in that: the glass fiber reinforced plastic composite material comprises an outer sheath, a glass fiber belt layer, an inner sheath, a glass fiber yarn layer and an insulator, wherein the outer sheath, the glass fiber belt layer, the inner sheath, the glass fiber yarn layer and the insulator are sequentially arranged from outside to inside, a central metal conductor is arranged in the insulated inner cavity, the glass fiber yarn is wrapped on the periphery of the insulator to form the glass fiber yarn layer, the glass fiber yarn is wrapped on the periphery of the inner sheath to form the glass fiber belt layer, the inner sheath is a modified flame-retardant polypropylene insulating material layer, and the outer sheath is a nylon sheath material layer.
2. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the integral equivalent area of the central metal conductor is not more than 6mm2And meanwhile, the central metal conductor is of a single solid structure.
3. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the integral equivalent area of the central metal conductor is 6mm2～10mm2The central metal conductor is formed by twisting a plurality of metal wires with equal diameters, and specifically comprises a central metal wire and a layer of inner ring metal wire, wherein the inner ring metal wire is annularly distributed on the outer circumference of the central metal wire to form a 1+6 stranded wire structure.
4. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the integral equivalent area of the central metal conductor is more than 10mm2When the central metal conductor is made ofThe metal conductor is formed by twisting dry equal-diameter metal conductors, wherein the central metal conductor specifically comprises a central metal conductor, an inner ring metal conductor and an outer ring metal conductor, a metal contact ring sleeve is sleeved on an equivalent outer ring surface formed by the inner ring metal conductor, and the outer ring metal conductor is annularly distributed on the periphery of the metal contact ring sleeve to form a 1+6+12 stranded wire structure.
5. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the central metal conductor is made of copper-clad aluminum alloy material.
6. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the unilateral thickness of inner sheath is 0.3 ~ 0.6 mm.
7. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the unilateral thickness of oversheath is 0.2 ~ 0.5 mm.
8. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the thickness of the single side of the glass fiber yarn layer is 0.2 mm-0.4 mm.
9. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the thickness of the single side of the insulation is 0.2 mm-0.5 mm, and the material of the insulation is specifically high-density polyethylene, medium-density polyethylene or linear low-density polyethylene.
10. A low smoke, zero halogen and flame retardant wire as claimed in claim 1, wherein: the thickness of the single side of the glass fiber belt layer is 0.2 mm-0.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382050.1U CN210837223U (en) | 2019-12-26 | 2019-12-26 | Low-smoke halogen-free flame-retardant wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382050.1U CN210837223U (en) | 2019-12-26 | 2019-12-26 | Low-smoke halogen-free flame-retardant wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210837223U true CN210837223U (en) | 2020-06-23 |
Family
ID=71281550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922382050.1U Expired - Fee Related CN210837223U (en) | 2019-12-26 | 2019-12-26 | Low-smoke halogen-free flame-retardant wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210837223U (en) |
-
2019
- 2019-12-26 CN CN201922382050.1U patent/CN210837223U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |