CN103247375A - Environment friendly rat proof water and flame retardant shield cable - Google Patents
Environment friendly rat proof water and flame retardant shield cable Download PDFInfo
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- CN103247375A CN103247375A CN2013101287786A CN201310128778A CN103247375A CN 103247375 A CN103247375 A CN 103247375A CN 2013101287786 A CN2013101287786 A CN 2013101287786A CN 201310128778 A CN201310128778 A CN 201310128778A CN 103247375 A CN103247375 A CN 103247375A
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Abstract
The invention discloses an environment friendly rat proof water and flame retardant shield cable. The conventional general PVC shield cable is a serious pollution source, and produces noxious or deleterious matters such as dioxin, lead, and halogen during production, usage and waste treatment, the shield cable is arranged in dark and damp places where the insulating property of the cable can be decreased after long-term use, and some cables are arranged in rat rampant zones and can be bitted by rats and fire accident happens occasionally. The shield cable comprises a cable core and a protecting cover, a shielding layer is arranged between the cable core and the protecting cover, the protecting cover comprises an inner low smoke zero halogen flame retardant sheath and an otter low smoke zero halogen flame retardant sheath, a glass fiber yarn layer is arranged between the inner low smoke zero halogen flame retardant sheath and the otter low smoke zero halogen flame retardant sheath, and use safety and environmental friendliness of the shield cable are greatly improved.
Description
[technical field]
The present invention relates to a kind of shielded type cable.
[background technology]
The common PVC electric wire is quite serious pollutant sources, can produce poisonous and harmful substances such as a large amount of dioxin, lead, halogen when manufacturing, use and waste treatment.In recent years, the Chinese government and government of the developed country pair public hazards relevant with the PVC electric wire such as American-European-Japanese are attached great importance to, government not only will carry out strict restriction to the emission of cables manufacturing process, and the processing of scrapping cable implemented comprehensive monitoring, force the material of cable factory's family expenses compliance with environmental protection requirements to replace conventional P VC material, make environment-friendly cable i.e. so-called " cleaning cable ".
Along with country vigorously advocates green, environmental protection, security concepts, and the whole society is to the approval of this theory, and the common PVC electric wire will be more and more lower in the sales quota in this field.Beijing Olympic Games and Shanghai World's Fair have taken the lead in having forbidden the PVC cable.
Simultaneously, the common PVC electric wire also is suitable serious risk source, because common PVC electric wire, for example RVVP is widely used in such as intensive or key departments of personnel such as building, base station, railway, military affairs, megastore, publics place of entertainment, and the generality that these series of products use and the contradiction of product insecurity seem particularly outstanding.The electric wire dark moist place that is laid in a bit, the long-term electrical insulation properties that can reduce electric wire that uses; Some rampant area of the mouse that is laid in suffers that very easily mouse bites.The common PVC cable is damaged by damaged by rats or the short circuit of seeping water causes the accident of fire to happen occasionally, and the loss that suffers is startling.
Therefore, how improving the feature of environmental protection and the safety in utilization of shielded type cable, is the problem that those skilled in the art need solve at present.
[summary of the invention]
The invention provides a kind of environment protection, rat fire-retardant shielded type cable that blocks water, characteristic such as this shielded type cable has that environmental protection, water preventing ability are good, high flame retardant and mouse bite preventing has been guaranteed the transmission security of shielded type cable not pollute again to environment.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of environment protection, rat fire-retardant shielded type cable that blocks water, comprise cable core and protective jacket, be provided with screen between described cable core and the protective jacket, described protective jacket comprises low-smoke non-halogen flame-retardant inner sheath and low-smoke non-halogen flame-retardant oversheath, is provided with the glass fibre layer between described low-smoke non-halogen flame-retardant inner sheath and the low-smoke non-halogen flame-retardant oversheath.
Further, described cable core comprises mutually stranded electric unit and waterproofing rope.
Further, described electric unit comprises conductor, and conductor is coated with the low-smoke halogen-free flame-retardant isolating layer.
Further, be provided with waterstop between described cable core and the screen.
Beneficial effect of the present invention:
Shielded type cable of the present invention, the protective jacket that arranges outside screen is low-smoke non-halogen flame-retardant inner sheath and low-smoke non-halogen flame-retardant oversheath, the insulating barrier of cable core also is the low-smoke halogen-free flame-retardant isolating layer, make cable have Halogen, low cigarette, low toxicity and fire-retardant characteristic, can when manufacturing, use and waste treatment, can not produce nuisances such as a large amount of dioxin, lead, halogen; Nonflammable during use, avoid the generation of fire.
And expanding in the outer waterstop suction back of the waterproofing rope in the cable core and cable core, makes cable that vertically block-water performance be arranged well; Protective jacket adopts double-deck protective jacket design, makes cable that radially block-water performance be arranged well.Be provided with the glass fibre cotton yarn tape in the cable, when muroid when biting cable, very easily stabbed by organdy, thereby stop muroid to continue to bite, cable core is difficult for impaired, makes cable have fabulous security performance.
These characteristics of the present invention and advantage will be below embodiment, accompanying drawing in detailed exposure.
[description of drawings]
The present invention is described further below in conjunction with accompanying drawing:
Fig. 1 is structural representation of the present invention.
[embodiment]
A kind of environment protection, rat disclosed by the invention fire-retardant shielded type cable that blocks water, comprise cable core and protective jacket, be provided with screen between described cable core and the protective jacket, described protective jacket comprises low-smoke non-halogen flame-retardant inner sheath and low-smoke non-halogen flame-retardant oversheath, is provided with the glass fibre layer between described low-smoke non-halogen flame-retardant inner sheath and the low-smoke non-halogen flame-retardant oversheath.This shielded type cable farthest strengthens safety in utilization and the environment friendly of cable.
Be explained and illustrated below in conjunction with the accompanying drawing of the embodiment of the invention technical scheme to the embodiment of the invention, but following embodiment is the preferred embodiments of the present invention only, is not whole.Based on the embodiment in the execution mode, those skilled in the art belong to protection scope of the present invention at following other embodiment that obtains of the prerequisite of not making creative work.
With reference to figure 1, shown in the environment protection, rat fire-retardant shielded type cable that blocks water, comprise cable core and protective jacket, be provided with screen 4 between described cable core and the protective jacket; The current ratio that cable passes through is bigger, can produce magnetic field around the electric current, and screen can not influence the element of cable periphery electromagnetic-field-shielded in cable.Screen also can play certain ground protection effect simultaneously, if breakage takes place in the cable core, the electric current that leaks can flow into ground network along screen, plays the effect of safeguard protection.
Protective jacket among the present invention comprises low-smoke non-halogen flame-retardant inner sheath 5 and low-smoke non-halogen flame-retardant oversheath 7, double braid covering makes cable that dual radially block-water performance be arranged, the employing halogen-free low-smoke flame retardant material makes cable that low cigarette, Halogen, low toxicity be arranged and has good flame retardant property, can when manufacturing, use and waste treatment, not produce harmful substances such as a large amount of dioxin, lead, halogen, environment is polluted; Nonflammable during use, avoid the generation of fire.
Between low-smoke non-halogen flame-retardant inner sheath 5 and low-smoke non-halogen flame-retardant oversheath 7, be provided with glass fibre layer 6; Glass fiber yarn is a kind of very thin glass fiber bundle, adopts unique dual crossing braiding winding process, and the not characteristic of anti-folding of tension is arranged, and great high-temperature resistant is also arranged.When muroid when biting cable, very easily stabbed by organdy, thereby stop muroid to continue to bite, make cable that rodent-proof characteristic be arranged, also improved tension and the resistance to elevated temperatures of cable simultaneously.
For strengthening block-water effect, between cable core and screen 4, waterstop 3 is set, waterstop is a kind of water adsorption swelling waterproof band that adds the polyacrylate expanding powder in polyester non-woven fabric, expand and stop flowing of water in the suction back.
Preferably, above-mentioned cable core comprises mutually stranded electric unit 1 and waterproofing rope 2.Waterproofing rope 2 is lighter than the original water blocking yarn that adopts, can allow more rounding of cable core, the most important thing is: waterproofing rope 2 is a kind of super absorbent resins, extreme expansion behind the chance water, thereby stop hydrone in cable, to continue to flow, waterproofing rope 2 makes cable that dual vertical block-water performance be arranged with waterstop 3 actings in conjunction, and still has block-water performance under the situation that waterstop breaks.Preferred cable core is by at least three electric units with waterproofing rope is stranded forms as shown in Figure 1.
Wherein, electric unit 1 comprises conductor, and conductor coats the low-smoke halogen-free flame-retardant isolating layer outward; The insulating barrier of electric unit is halogen-free low-smoke flame retardant material, makes cable core have fire resistance, and can not work the mischief to environment when processing, use and waste treatment.
By above-described embodiment, purpose of the present invention is by in full force and effect having reached.The personage who is familiar with this technology should be understood that the content that the present invention includes but be not limited to describe in accompanying drawing and the top embodiment.Any modification that does not depart from function of the present invention and structural principle all will be included in the scope of claims.
Claims (4)
1. an environment protection, rat fire-retardant shielded type cable that blocks water, comprise cable core and protective jacket, be provided with screen between described cable core and the protective jacket, it is characterized in that: described protective jacket comprises low-smoke non-halogen flame-retardant inner sheath and low-smoke non-halogen flame-retardant oversheath, is provided with the glass fibre layer between described low-smoke non-halogen flame-retardant inner sheath and the low-smoke non-halogen flame-retardant oversheath.
2. a kind of environment protection, rat according to claim 1 fire-retardant shielded type cable that blocks water, it is characterized in that: described cable core comprises mutually stranded electric unit and waterproofing rope.
3. a kind of environment protection, rat according to claim 2 fire-retardant shielded type cable that blocks water, it is characterized in that: described electric unit comprises conductor, conductor is coated with the low-smoke halogen-free flame-retardant isolating layer.
4. according to claim 1 or the 2 or 3 described a kind of environment protection, rats fire-retardant shielded type cable that blocks water, it is characterized in that: be provided with waterstop between described cable core and the screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101287786A CN103247375A (en) | 2013-04-12 | 2013-04-12 | Environment friendly rat proof water and flame retardant shield cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101287786A CN103247375A (en) | 2013-04-12 | 2013-04-12 | Environment friendly rat proof water and flame retardant shield cable |
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| Publication Number | Publication Date |
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| CN103247375A true CN103247375A (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101287786A Pending CN103247375A (en) | 2013-04-12 | 2013-04-12 | Environment friendly rat proof water and flame retardant shield cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992775A (en) * | 2015-06-19 | 2015-10-21 | 张家港金海港电线电缆有限公司 | Durable wire |
| CN110246623A (en) * | 2019-06-17 | 2019-09-17 | 广东金牌电缆股份有限公司 | A kind of communication cable of high water resistance energy |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354216Y (en) * | 1998-10-21 | 1999-12-15 | 甘肃长通电缆(集团)有限责任公司 | Insulated electric-power cable of water-resistant high-level fire-retardant low-smoke halogen-free crosslinked polyethylene |
| JP2001006446A (en) * | 1999-06-25 | 2001-01-12 | Showa Electric Wire & Cable Co Ltd | Cable |
| CN2529355Y (en) * | 2001-12-26 | 2003-01-01 | 山东鲁能泰山电缆股份有限公司 | All-round water-proof cross-linked cable |
| CN1444067A (en) * | 2003-04-23 | 2003-09-24 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded flame-retardant, corrosion-proof and rat-bite-proof outdoor optical cable for communication |
| CN201298389Y (en) * | 2008-10-27 | 2009-08-26 | 安徽新亚特电缆集团有限公司 | Halogen-free low-smoke flame-retardant waterproof cable |
| CN201489869U (en) * | 2009-08-10 | 2010-05-26 | 杭州电缆有限公司 | Environment friendly termite proof water proof and flame-retardant cable special for rail transit |
| CN203150258U (en) * | 2013-04-12 | 2013-08-21 | 王小平 | Environment-friendly anti-mouse waterproof flame-retardant shielding cable |
-
2013
- 2013-04-12 CN CN2013101287786A patent/CN103247375A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354216Y (en) * | 1998-10-21 | 1999-12-15 | 甘肃长通电缆(集团)有限责任公司 | Insulated electric-power cable of water-resistant high-level fire-retardant low-smoke halogen-free crosslinked polyethylene |
| JP2001006446A (en) * | 1999-06-25 | 2001-01-12 | Showa Electric Wire & Cable Co Ltd | Cable |
| CN2529355Y (en) * | 2001-12-26 | 2003-01-01 | 山东鲁能泰山电缆股份有限公司 | All-round water-proof cross-linked cable |
| CN1444067A (en) * | 2003-04-23 | 2003-09-24 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded flame-retardant, corrosion-proof and rat-bite-proof outdoor optical cable for communication |
| CN201298389Y (en) * | 2008-10-27 | 2009-08-26 | 安徽新亚特电缆集团有限公司 | Halogen-free low-smoke flame-retardant waterproof cable |
| CN201489869U (en) * | 2009-08-10 | 2010-05-26 | 杭州电缆有限公司 | Environment friendly termite proof water proof and flame-retardant cable special for rail transit |
| CN203150258U (en) * | 2013-04-12 | 2013-08-21 | 王小平 | Environment-friendly anti-mouse waterproof flame-retardant shielding cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992775A (en) * | 2015-06-19 | 2015-10-21 | 张家港金海港电线电缆有限公司 | Durable wire |
| CN110246623A (en) * | 2019-06-17 | 2019-09-17 | 广东金牌电缆股份有限公司 | A kind of communication cable of high water resistance energy |
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Application publication date: 20130814 |