CN216528169U - Light high-flame-retardant cable - Google Patents
Light high-flame-retardant cable Download PDFInfo
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- CN216528169U CN216528169U CN202122958259.5U CN202122958259U CN216528169U CN 216528169 U CN216528169 U CN 216528169U CN 202122958259 U CN202122958259 U CN 202122958259U CN 216528169 U CN216528169 U CN 216528169U
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- Prior art keywords
- insulating layer
- retardant cable
- twisted
- flame retardant
- conductor
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 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 abstract description 20
- 239000011889 copper foil Substances 0.000 claims abstract description 17
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 claims abstract description 11
- 239000011247 coating layer Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 description 22
- 239000000543 intermediate Substances 0.000 description 11
- 239000004743 Polypropylene Substances 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000005253 cladding Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- -1 4-vinyl phenyl Chemical group 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the field of cables, and discloses a light high-flame-retardant cable which comprises an inner twisted body and a TPV outer coating layer; the inner twisted body comprises a plurality of twisted pairs, each pair of twisted pairs comprises a pair of twisted core wires and an inner wrapping tape, and the inner wrapping tape is wound outside the pair of core wires; each core wire comprises a conductor and an insulating layer, the insulating layer is coated outside the conductor, the conductor comprises a plurality of copper foil wires which are twisted together, and the insulating layer is a TPEE insulating layer, a PP insulating layer or a laminated combination layer of the TPEE insulating layer and the PP insulating layer; the TPV outer layer covers the inner strand. The utility model can not only improve the light weight of the cable, but also improve the flame retardant property of the cable.
Description
Technical Field
The utility model relates to the field of cables, in particular to a light high-flame-retardant cable.
Background
Cable is a generic term for optical cables, electrical cables, and the like. The cable has many purposes, is mainly used for controlling installation, connecting equipment, transmitting power and other multiple functions, and is a common and indispensable object in daily life. With the development of science and technology, people have higher and higher requirements on light weight and flame retardant performance of cables. The traditional cable generally consists of a pure copper conducting wire and a PVC outer layer, and the traditional cable is heavy and poor in flame retardant property.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a light high-flame-retardant cable which not only can improve the light weight of the cable, but also can improve the flame retardant property of the cable.
The purpose of the utility model is realized by the following technical scheme:
a lightweight high flame retardant cable comprising:
the inner twisting body comprises a plurality of twisted pairs, each twisted pair comprises a pair of twisted core wires and an inner belt, and the inner belts are wound outside the pair of core wires; each core wire comprises a conductor and an insulating layer, the insulating layer covers the outside of the conductor, the conductor comprises a plurality of twisted copper foil wires, and the insulating layer is a TPEE insulating layer or a PP insulating layer; and
a TPV outer coating layer, the TPV outer coating layer being wrapped outside the inner strand.
In one embodiment, the lightweight high-flame-retardant cable further comprises a first filler rope filled in the gaps among the twisted pairs.
In one embodiment, the first filled rope is a bulletproof wire filled rope, a nylon fiber filled rope or a polyester fiber filled rope.
In one embodiment, the lightweight high-flame-retardant cable further comprises an outer tape disposed between the inner stranded body and the TPV outer layer.
In one embodiment, the outer tape is an aluminum foil outer tape.
In one embodiment, the lightweight high flame retardant cable further comprises a second filler rope, the second filler rope being filled between the inner stranded body and the outer wrap.
In one embodiment, the second filling rope is filled in the outer gaps of the adjacent twisted pairs.
In one embodiment, the second filler rope is a bulletproof wire filler rope, a nylon fiber filler rope or a polyester fiber filler rope.
In one embodiment, the inner bag belt is a metal inner bag belt, a non-woven fabric inner bag belt or a plastic inner bag belt.
In one embodiment, the copper foil filament comprises an intermediate body and an outer covering layer, wherein the intermediate body is a bulletproof filament intermediate body, a nylon filament intermediate body or a polyester fiber intermediate body, and the outer covering layer is a copper foil outer covering layer or a silver-plated copper foil outer covering layer.
Compared with the prior art, the utility model has at least the following advantages:
according to the utility model, a plurality of twisted copper foil wires are adopted to replace the traditional copper conductor to serve as the conductor, so that the softness of the conductor is better improved, the bending performance of the conductor is more prominent, and the density of the conductor is much lower than that of the traditional copper conductor. According to the utility model, the TPEE material or PP material with low density and high flame retardance is adopted to replace the traditional PVC material as the insulating layer, so that the density of the insulating layer can be reduced, the strength, the bending resistance, the wear resistance and the like of the insulating layer are improved, and the insulating layer has flame retardance of UL94-V0 grade. The utility model adopts the TPV material with low density and high flame retardance as the outer coating layer, can reduce the density of the outer coating layer and has flame retardance of UL94-V0 grade. In this way, the inner stranded body and the TPV outer tegument layer are combined, so that the weight of the cable can be reduced, and the flame retardant property of the cable can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a lightweight highly flame-retardant cable according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, referring to fig. 1, a lightweight highly flame retardant cable 10 includes an inner strand and a TPV outer layer 130; the inner twisted body comprises a plurality of twisted pairs 110, each twisted pair 110 comprises a pair of core wires 111 and an inner wrapping tape 112, and the inner wrapping tape 112 is wound outside the pair of core wires 111; each core wire 111 comprises a conductor 1111 and an insulating layer 1112, the insulating layer 1112 is coated outside the conductor 1111, the conductor 1111 comprises a plurality of copper foil wires which are twisted together, and the insulating layer 1112 is a TPEE insulating layer, a PP insulating layer or a laminated combination layer thereof; the TPV outer layer 130 is wrapped around the inner strand.
Further, the inner wrapping tape 112 is a metal inner wrapping tape, a non-woven fabric inner wrapping tape or a plastic inner wrapping tape, and is used for winding and fixing the pair of core wires 111, so that the pair of twisted wires 110 is more round.
Further, the copper foil filament comprises an intermediate and an outer cladding, the intermediate is a bulletproof filament intermediate, a nylon filament intermediate, a polyester fiber intermediate or a laminated assembly of any two of the intermediates, and the outer cladding is a copper foil outer cladding, a silver-plated copper foil outer cladding or a laminated combination layer of the copper foil outer cladding and the silver-plated copper foil outer cladding. This kind of structure makes conductor 1111's compliance obtain better promotion, also makes conductor 1111's bending performance more outstanding, compares traditional copper conductor, and the number of times of buckling obtains huge promotion, generally can reach traditional copper conductor and buckle the last thousand times of number of times, and simultaneously, conductor 1111 of this kind of structure is lighter than traditional copper conductor's density a lot.
It should be noted that, the present invention uses a plurality of twisted copper foil wires as the conductor 1111 instead of the conventional copper conductor, and this structure enables the flexibility of the conductor 1111 to be improved better, and also enables the bending performance of the conductor 1111 to be more prominent, and the density of the conductor 1111 is much lighter than that of the conventional copper conductor. The utility model adopts TPEE (Chinese name of [1- (4-vinyl phenyl) -1,2, 2-triphenyl) with low density and high flame retardance]Ethylene) material or PP (polypropylene in Chinese) material replaces the traditional PVC material as the insulating layer 1112, and the density of the TPEE material is only 1.1kg/m3The density of the PP material is 0.95kg/m3Comparative density of 1.40kg/m3The PVC material is much smaller; the strength of the TPEE material and the PP material is much higher than that of the PVC material, the bending resistance and the wear resistance of the TPEE material and the PP material are greatly improved, and the flame retardance of the TPEE material and the PP material also meets the UL94-V0 grade. The density adopted by the utility model is only 0.95kg/m3TPV (thermoplastic name in Chinese)Dynamic vulcanized rubber) material is used as an outer coating layer, and the material has good strength and low density and has flame retardance of UL94-V0 grades. In this way, the inner stranded body and the TPV outer layer 130 are combined, so that the weight of the cable can be reduced, and the flame retardant performance of the cable can be improved.
For example, the number of the twisted pairs 110 is 4, the wire diameter of the core wire 111 is 1.00-1.40 mm, the outer twisting diameter of the conductor 1111 is 0.50-0.70 mm, and the twisting pitch of the conductor is 10-12 mm. Through experimental tests, the outer diameter of the whole cable is reduced to 6.50mm from the original 6.90mm, and the mass of the cable is reduced by about 50 g/m.
Further, the lightweight high-flame-retardant cable 10 further includes a first filling rope 141, and the first filling rope 141 is filled in the middle gaps of the twisted pairs 110 for improving the overall strength of the cable.
In order to further improve the overall strength of the cable, the first filling rope 141 is a bulletproof wire filling rope, a nylon fiber filling rope, a polyester fiber filling rope, or a laminated combination rope of any two of them. Therefore, the overall strength of the cable can be further improved by selecting the high-strength filling material.
Further, light-duty high fire-retardant cable 10 still includes outer band 120, outer band 120 is located the interior twisty body with between the TPV tegument 130, both can improve the anti-interference ability of cable, can make the cable more round again, guarantee the good outward appearance of cable.
In order to further improve the anti-interference performance of the outer wrapping tape 120, the outer wrapping tape 120 is an aluminum foil outer wrapping tape. For example, the outer wrapping tape 120 is an aluminum foil outer wrapping tape with a thickness of 0.015 mm. Therefore, the anti-interference performance of the outer wrapping tape 120 can be further improved by selecting the aluminum foil material with a better shielding effect.
Further, the lightweight high flame-retardant cable 10 further includes a second filling rope 142, and the second filling rope 142 is filled between the inner twisted body and the outer wrapping tape 120 to improve the overall strength of the cable.
Further, the second filling string 142 is filled in the outer space of the adjacent twisted pair 110. So improve the bulk strength of cable under the prerequisite of guaranteeing the principle of cabled appearance. For example, the two second filling ropes 142 are respectively filled in the left outer space and the right outer space of the adjacent twisted pair 110.
In order to further improve the overall strength of the cable, the second filling rope 142 is a bulletproof wire filling rope, a nylon fiber filling rope, a polyester fiber filling rope, or a laminated combination rope of any two of them. Therefore, the overall strength of the cable can be further improved by selecting the high-strength filling material.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A lightweight, high flame retardant cable, comprising:
the inner twisting body comprises a plurality of twisted pairs, each twisted pair comprises a pair of twisted core wires and an inner belt, and the inner belts are wound outside the pair of core wires; each core wire comprises a conductor and an insulating layer, the insulating layer covers the outside of the conductor, the conductor comprises a plurality of twisted copper foil wires, and the insulating layer is a TPEE insulating layer or a PP insulating layer; and
a TPV outer coating layer, the TPV outer coating layer being wrapped outside the inner strand.
2. The lightweight, highly flame retardant cable of claim 1, further comprising a first filler rope filled at the interstitial spaces of said plurality of twisted pairs.
3. The lightweight high flame retardant cable according to claim 2, wherein said first filler rope is a bullet proof silk filler rope, a nylon fiber filler rope or a polyester fiber filler rope.
4. The lightweight, highly flame retardant cable of claim 1, further comprising an outer wrap disposed between said inner strand body and said TPV outer layer.
5. The light-weight high flame-retardant cable according to claim 4, wherein the outer tape is an aluminum foil outer tape.
6. The light-weight high flame retardant cable according to claim 4, further comprising a second filler cord filled between the inner stranded body and the outer wrap.
7. The lightweight, highly flame retardant cable of claim 6, wherein said second filler rope is filled at the outer voids adjacent said twisted pairs.
8. The lightweight high flame retardant cable according to claim 6 or 7, wherein the second filler rope is a bulletproof wire filler rope, a nylon fiber filler rope or a polyester fiber filler rope.
9. The light-weight high-flame-retardant cable according to claim 1, wherein the inner wrapping tape is a metal inner wrapping tape, a non-woven fabric inner wrapping tape or a plastic inner wrapping tape.
10. The lightweight highly flame retardant cable of claim 1, wherein said copper foil filaments comprise an intermediate body which is a bulletproof filament intermediate body, a nylon filament intermediate body or a polyester fiber intermediate body and an outer covering layer which is a copper foil outer covering or a silver-plated copper foil outer covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122958259.5U CN216528169U (en) | 2021-11-26 | 2021-11-26 | Light high-flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122958259.5U CN216528169U (en) | 2021-11-26 | 2021-11-26 | Light high-flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216528169U true CN216528169U (en) | 2022-05-13 |
Family
ID=81463103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122958259.5U Active CN216528169U (en) | 2021-11-26 | 2021-11-26 | Light high-flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216528169U (en) |
-
2021
- 2021-11-26 CN CN202122958259.5U patent/CN216528169U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240110 Address after: No.6, Qingli Second Road, Shuikou Street, Huicheng District, Huizhou, Guangdong Province, 516000 Patentee after: LTK Electric Wire (Huizhou) Ltd. Patentee after: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee after: SHENZHEN WOER SPECIAL CABLE Co.,Ltd. Patentee after: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. Address before: 516006 Desai third industrial zone, Zhongkai Avenue, Chenjiang, Huizhou, Guangdong Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd. Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd. Patentee before: LTK ELECTRIC WIRE (CHANGZHOU) Ltd. |