CN105679445A - Cable with halogen-free flame-retardant polyolefin sheath - Google Patents
Cable with halogen-free flame-retardant polyolefin sheath Download PDFInfo
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- CN105679445A CN105679445A CN201510660710.1A CN201510660710A CN105679445A CN 105679445 A CN105679445 A CN 105679445A CN 201510660710 A CN201510660710 A CN 201510660710A CN 105679445 A CN105679445 A CN 105679445A
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Abstract
The invention discloses a cable with a halogen-free flame-retardant polyolefin sheath. The cable comprises four aluminium alloy conductors stranded mutually, wherein an environment-friendly insulating protection layer is arranged on the exterior of each aluminium alloy conductor in a sleeving manner separately; a stranded conductorisarranged in a groove formed at the outer sides of every two adjacentaluminium alloy conductors; an inner layer metal net is arranged on the exteriors of the environment-friendly insulating protection layers in a sleeving manner; a glass fiber cover layer is arranged on the exterior of the inner layer metal net in a sleeving manner; an inner layer metal ring layer is arranged on the exterior of the glass fiber cover layer in a sleeving manner; an outer layer metal ring layer is arranged on the exterior of the inner layer metal ring layer in a sleeving manner; a thermal insulation layer is arranged between the inner layer metal ring layer and the outer layer metal ring layer; a ceramic silicone rubber mica tape is arranged on the exterior of the outer layer metal ring layer in a sleeving manner; and thehalogen-free flame-retardant polyolefin sheath is arranged on the exterior of the ceramic silicone rubber mica tape in a sleeving manner. Due to the halogen-free flame-retardant polyolefin sheath, the flame retardancy of the cable is improved; and meanwhile, due to the two metal ring layers, the compressive and tensile property of the cable is improved as well.
Description
Technical field
The present invention relates to a kind of halogen-free anti-flaming polyolefin jacketed cable.
Background technology
Existing cable usually can cover the coatings such as retardant paint and realize flameproof effect in outside; owing to cable is under outside high temperature action; the coating layer of its inside easily melts; cause cable inside that short circuit phenomenon occurs; simultaneously under cable is used for buried environment, when ambient pressure is bigger, easily there is distortion in outside coating layer; causing cable short circuit, impact uses.
Summary of the invention
It is an object of the invention to provide a kind of halogen-free anti-flaming polyolefin jacketed cable, prior art Problems existing can be improved, by adopting halogen-free anti-flaming polyolefin sheath, it is to increase the flame retardant properties of cable, by the design of double layer of metal ring layer, it is to increase the withstand voltage stretch resistance energy of cable.
The present invention is achieved through the following technical solutions:
A kind of halogen-free anti-flaming polyolefin jacketed cable, comprise 4 mutual stranded aluminium alloy conductors, it is respectively installed with environmental protection insulating protective layer in the aluminium alloy conductor outside described in 4, it is respectively arranged with stranded conductor in the groove formed outside adjacent described aluminium alloy conductor, in described environmental protection insulating protective layer outer cover, inner layer metal net is housed, glass fibre is housed by layer in described inner layer metal net outer cover, by layer outer cover, inner layer metal ring layer is housed at described glass fibre, in described inner layer metal ring layer outer cover, outer layer metal ring layer is housed, it is provided with heat-insulating layer between described inner layer metal ring layer and described outer layer metal ring layer, in described outer layer metal ring layer outer cover, Ceramic silicon rubber mica tape is housed, in described Ceramic silicon rubber mica tape outer cover, halogen-free anti-flaming polyolefin sheath is housed,
Described heat-insulating layer is that magnesium oxide and tetrafluoroethylene are shaping according to mass percent 2:1 hybrid process, is evenly coated with pvc coating in described insulated thermal insulating layer outside.
Further, for realizing the present invention better, described Ceramic silicon rubber mica tape is 2 layers, and the Ceramic silicon rubber mica tape described in 2 layers is coated in described outer layer metal ring layer in an overlapping.
Further, for realizing the present invention better, inside described inner layer metal net, in space, it is filled with virtue synthetic fibre silk.
Further, for realizing the present invention better, described inner layer metal ring layer and outer layer metal ring layer are sheet bullion and are helically wound.
Further, for realizing the present invention better, described inner layer metal ring layer is contrary with the rotary orientation of outer layer metal ring layer.
Further, for realizing the present invention better, described glass fibre is that glass fibre becomes spiral winding to be formed by layer.
Further, for realizing the present invention better, described glass fibre is identical with the rotary orientation of described inner layer metal ring layer by the rotary orientation of layer.
Further, for realizing the present invention better, inside the aluminium alloy conductor described in 4, in space, it is filled with virtue synthetic fibre silk.
The present invention compared with prior art, has following useful effect:
(1) the present invention is by adopting halogen-free anti-flaming polyolefin sheath, it is possible to while the outer bilge construction of protection cable, makes cable have better flame retardant resistance, easily damages under avoiding external high temperature;
(2) the present invention is by adopting inside and outside double layer of metal ring layer, it is possible to improve the withstand voltage stretch resistance energy of cable so that it is is more applicable to buried occasion and uses;
(3) the present invention is by arranging Ceramic silicon rubber mica tape, it is possible to utilize its feature that at high temperature quality is hard, when high temperature occurs in outside atmosphere, it is possible to available protecting cable internal structure.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, it is briefly described to the accompanying drawing used required in embodiment below, it is to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore should not be counted as is the restriction to scope, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is one-piece construction schematic diagram of the present invention.
Wherein: 101. aluminium alloy conductors; 102. environmental protection insulating protective layers; 103. glass fibre are by layer; 104. stranded conductors, 105. inner layer metal nets, 106. heat-insulating layers; 107. halogen-free anti-flaming polyolefin sheaths; 108. outer layer metal ring layers, 109. Ceramic silicon rubber mica tapes, 110. inner layer metal ring layers.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1, a kind of halogen-free anti-flaming polyolefin jacketed cable, comprise 4 mutual stranded aluminium alloy conductors 101, it is respectively installed with environmental protection insulating protective layer 102 in aluminium alloy conductor 101 outside described in 4, it is respectively arranged with stranded conductor 104 in the groove formed outside adjacent described aluminium alloy conductor 101, in described environmental protection insulating protective layer 102 outer cover, inner layer metal net 105 is housed, glass fibre is housed by layer 103 in described inner layer metal net 105 outer cover, by layer 103 outer cover, inner layer metal ring layer 110 is housed at described glass fibre, in described inner layer metal ring layer 110 outer cover, outer layer metal ring layer 108 is housed, it is provided with heat-insulating layer 106 between described inner layer metal ring layer 110 and described outer layer metal ring layer 108, in described outer layer metal ring layer 108 outer cover, Ceramic silicon rubber mica tape 109 is housed, in described Ceramic silicon rubber mica tape 109 outer cover, halogen-free anti-flaming polyolefin sheath 107 is housed,
Described heat-insulating layer 106 is that magnesium oxide and tetrafluoroethylene are shaping according to mass percent 2:1 hybrid process, is evenly coated with pvc coating in described insulated thermal insulating layer 106 outside.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, it may be preferred that described Ceramic silicon rubber mica tape 109 is 2 layers, and the Ceramic silicon rubber mica tape 109 described in 2 layers is coated in described outer layer metal ring layer 108 in an overlapping.
In order to improve cable intensity, in the present embodiment, further preferably, virtue synthetic fibre silk it is filled with inside described inner layer metal net 105 in space.
In order to improve the stretch-resistance energy of cable, in the present embodiment, it may be preferred that described inner layer metal ring layer 110 and outer layer metal ring layer 108 are sheet bullion and are helically wound. By adopting inner layer metal ring layer and the outer layer metal ring layer of spiral winding, it is possible to convenient processing, simultaneously, it is possible to improve the stretch-resistance energy of cable.
Further preferably, having interaction force in order to make between inner layer metal ring layer and outer layer metal ring layer, it is to increase its anti-drawing effect, in the present embodiment, described inner layer metal ring layer 110 is contrary with the rotary orientation of outer layer metal ring layer 108.
In order to convenient processing, in the present embodiment, it may be preferred that described glass fibre by layer 103 for glass fibre becomes spiral winding to be formed.
In order to the frictional force increased between inner layer metal ring layer and outer layer metal ring layer, in the present embodiment, it may be preferred that described glass fibre is identical with the rotary orientation of described inner layer metal ring layer 110 by the rotary orientation of layer 103.
Further preferably, in the present embodiment, in order to improve cable voltage performance, inside the aluminium alloy conductor described in 4, in space, it is filled with virtue synthetic fibre silk.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. Within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a halogen-free anti-flaming polyolefin jacketed cable, it is characterized in that: comprise 4 mutual stranded aluminium alloy conductors (101), it is respectively installed with environmental protection insulating protective layer (102) in aluminium alloy conductor (101) outside described in 4, it is respectively arranged with stranded conductor (104) in the groove that adjacent described aluminium alloy conductor (101) outside is formed, in described environmental protection insulating protective layer (102) outer cover, inner layer metal net (105) is housed, glass fibre is housed by layer (103) in described inner layer metal net (105) outer cover, by layer (103) outer cover, inner layer metal ring layer (110) is housed at described glass fibre, in described inner layer metal ring layer (110) outer cover, outer layer metal ring layer (108) is housed, it is provided with heat-insulating layer (106) between described inner layer metal ring layer (110) and described outer layer metal ring layer (108), in described outer layer metal ring layer (108) outer cover, Ceramic silicon rubber mica tape (109) is housed, in described Ceramic silicon rubber mica tape (109) outer cover, halogen-free anti-flaming polyolefin sheath (107) is housed,
Described heat-insulating layer (106) for magnesium oxide and tetrafluoroethylene shaping according to mass percent 2:1 hybrid process, be evenly coated with pvc coating in described insulated thermal insulating layer (106) outside.
2. a kind of halogen-free anti-flaming polyolefin jacketed cable according to claim 1, it is characterized in that: described Ceramic silicon rubber mica tape (109) is 2 layers, the Ceramic silicon rubber mica tape (109) described in 2 layers is coated in described outer layer metal ring layer (108) in an overlapping.
3. a kind of halogen-free anti-flaming polyolefin jacketed cable according to claim 1 and 2, it is characterised in that: it is filled with virtue synthetic fibre silk in described space, inner layer metal net (105) inner side.
4. a kind of halogen-free anti-flaming polyolefin jacketed cable according to claim 1 and 2, it is characterised in that: described inner layer metal ring layer (110) and outer layer metal ring layer (108) are sheet bullion and are helically wound.
5. a kind of halogen-free anti-flaming polyolefin jacketed cable according to claim 4, it is characterised in that: described inner layer metal ring layer (110) is contrary with the rotary orientation of outer layer metal ring layer (108).
6. a kind of halogen-free anti-flaming polyolefin jacketed cable according to claim 4, it is characterised in that: described glass fibre by layer (103) for glass fibre becomes spiral winding to be formed.
7. a kind of halogen-free anti-flaming polyolefin jacketed cable according to claim 6, it is characterised in that: described glass fibre is identical with the rotary orientation of described inner layer metal ring layer (110) by the rotary orientation of layer (103).
8. a kind of halogen-free anti-flaming polyolefin jacketed cable according to claim 1 and 2, it is characterised in that: inside the aluminium alloy conductor described in 4, in space, it is filled with virtue synthetic fibre silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660710.1A CN105679445A (en) | 2015-10-15 | 2015-10-15 | Cable with halogen-free flame-retardant polyolefin sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510660710.1A CN105679445A (en) | 2015-10-15 | 2015-10-15 | Cable with halogen-free flame-retardant polyolefin sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105679445A true CN105679445A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510660710.1A Pending CN105679445A (en) | 2015-10-15 | 2015-10-15 | Cable with halogen-free flame-retardant polyolefin sheath |
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| CN (1) | CN105679445A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876001A (en) * | 2017-04-24 | 2017-06-20 | 河北华通线缆集团股份有限公司 | A kind of Double-layer flame-retardant humidity environmental communication cable and its production technology |
| CN107919184A (en) * | 2017-12-13 | 2018-04-17 | 江苏中利集团股份有限公司 | A kind of low-smoke zero-halogen fire-resistant flexible cable |
| CN110504054A (en) * | 2019-08-29 | 2019-11-26 | 南京思甲宁新材料科技有限公司 | A kind of crushing resistance flexible cable and its preparation process |
| CN114388190A (en) * | 2022-01-19 | 2022-04-22 | 迈特诺（马鞍山）特种电缆有限公司 | Fire-resistant communication cable for Ethernet for rolling stock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020153162A1 (en) * | 2000-12-27 | 2002-10-24 | Sergio Spreafico | Superconducting cable |
| CN200956284Y (en) * | 2006-09-19 | 2007-10-03 | 常熟市电缆厂 | Waterproof overhead insulated cable |
| CN102568691A (en) * | 2012-03-28 | 2012-07-11 | 江苏长峰电缆有限公司 | Environment-friendly mid-voltage fire resistant cable |
| CN102820089A (en) * | 2011-06-10 | 2012-12-12 | 江苏上上电缆集团有限公司 | Medium voltage fire resisting cable |
| CN202736545U (en) * | 2012-06-21 | 2013-02-13 | 广东新领域电缆股份有限公司 | Mineral insulation fireproof cable |
-
2015
- 2015-10-15 CN CN201510660710.1A patent/CN105679445A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020153162A1 (en) * | 2000-12-27 | 2002-10-24 | Sergio Spreafico | Superconducting cable |
| CN200956284Y (en) * | 2006-09-19 | 2007-10-03 | 常熟市电缆厂 | Waterproof overhead insulated cable |
| CN102820089A (en) * | 2011-06-10 | 2012-12-12 | 江苏上上电缆集团有限公司 | Medium voltage fire resisting cable |
| CN102568691A (en) * | 2012-03-28 | 2012-07-11 | 江苏长峰电缆有限公司 | Environment-friendly mid-voltage fire resistant cable |
| CN202736545U (en) * | 2012-06-21 | 2013-02-13 | 广东新领域电缆股份有限公司 | Mineral insulation fireproof cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876001A (en) * | 2017-04-24 | 2017-06-20 | 河北华通线缆集团股份有限公司 | A kind of Double-layer flame-retardant humidity environmental communication cable and its production technology |
| CN107919184A (en) * | 2017-12-13 | 2018-04-17 | 江苏中利集团股份有限公司 | A kind of low-smoke zero-halogen fire-resistant flexible cable |
| CN110504054A (en) * | 2019-08-29 | 2019-11-26 | 南京思甲宁新材料科技有限公司 | A kind of crushing resistance flexible cable and its preparation process |
| CN114388190A (en) * | 2022-01-19 | 2022-04-22 | 迈特诺（马鞍山）特种电缆有限公司 | Fire-resistant communication cable for Ethernet for rolling stock |
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Application publication date: 20160615 |
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