CN202796223U - Low-smoke halogen-free high-flame-retardant fire-resistant medium-voltage crosslinked cable - Google Patents
Low-smoke halogen-free high-flame-retardant fire-resistant medium-voltage crosslinked cable Download PDFInfo
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- CN202796223U CN202796223U CN 201220357458 CN201220357458U CN202796223U CN 202796223 U CN202796223 U CN 202796223U CN 201220357458 CN201220357458 CN 201220357458 CN 201220357458 U CN201220357458 U CN 201220357458U CN 202796223 U CN202796223 U CN 202796223U
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Abstract
The utility model discloses a low-smoke halogen-free high-flame-retardant fire-resistant medium-voltage crosslinked cable. The crosslinked cable is composed of an electric conduction wire core, a conductor shielding layer, an insulating layer, an insulation shielding layer, a copper tape wrapped shielding layer, a filling oxygen-isolating layer, a heat-isolating tape, a fire-shielding heat-isolating layer, a heat-isolating tape, a steel tape armored layer, a heat-isolating tape and an outer sheath which are arranged from inside to outside, wherein the filling oxygen-isolating layer is a high-flame-retardant halogen-free low-smoke flame-retardant polyolefin filling layer, the heat-isolating tapes are ceramic silica gel double-layer wrapping tapes, and the fire-shielding heat-isolating layer is a ceramic silicone rubber. The low-smoke halogen-free high-flame-retardant fire-resistant medium-voltage crosslinked cable of the utility model is advantageous in enhanced heat resistance, temperature resistance as well as fire-resistant and flame-retardant properties, no harm to human body and expanded application range.
Description
Technical field
The utility model relates to the technology of flame resistant cable; refer in particular to the fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof, it is higher to be applicable to environmental protection requirement, and environment is had specific (special) requirements; as fire-resistant, heat-resisting, heatproof, fire-retardant etc. there being the occasion of specific (special) requirements, have good value for applications.
Background technology
At present, the common middle pressure crosslinked cable of selling on the market generally is to adopt crosslinked polyetylene insulated pe sheath, although the electric pressure of using is identical,, its thermal stability is general, the feature of environmental protection is relatively poor, can not guarantee needs fire-resistant, environmental protection, though on its skin coats simply flame retardant coating, also because of the control not thorough and damaged, thereby cause damage the impact power supply.
The problems such as the poor-performings such as existing common midium voltage cable is fire-resistant, heat-resisting in order to solve, heatproof, fire-retardant, environmental protection, the scope of application are limited, the inventor improves for the performance of common midium voltage cable specially, then has this case to produce.
The utility model content
The purpose of this utility model is to provide a kind of flame-retardant performance good, and the fire-resistant middle pressure crosslinked cable of harmless environmental-friendly halogen-free low-smoke high flame retardant.
In order to reach above-mentioned purpose, solution of the present utility model is:
The fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof, formed by conductor wire core, conductor shield, insulating barrier, insulation screen, copper strips lapped shielding layer, filling oxygen barrier layer, heat insulating belt, gear fire screen thermosphere, heat insulating belt, steel-tape armouring layer, heat insulating belt and oversheath from the inside to surface, filling oxygen barrier layer is that the high flame retardant halogen-free and low-smoke flame-retardant polyolefin is filled, heat insulating belt is the double-deck twining package tape of ceramic silica gel, and gear fire screen thermosphere is ceramic silicon rubber.
Described insulating barrier is middle line ball low density polyethylene (LDPE) (XLPE) cross-linked material.
Described gear fire screen thermosphere thickness is 5.0 millimeters.
Described steel-tape armouring layer is galvanized steel strip.
Described oversheath is the halogen-free and low-smoke flame-retardant polyolefin material.
After adopting said structure, the utility model is to have increased the gear fire screen thermosphere that heat insulating belt that the double-deck twining package tape of ceramic silica gel makes and ceramic silicon rubber are made outside cable core, guarantee that ceramic silicon rubber reaches certain thickness, make it when meeting fire or high temperature, can change rapidly package shape refractory heat-insulating structure into, within a certain period of time, can stop effectively that flame or high temperature are to the damage of primary insulation.High flame retardant low smoke, zero halogen polyolefin is filled separator, when meeting fire, can stop flame continue spread the further flame-retardant performance of improving product.The utility model has the advantages that fire-retardant, fire-resistant and environmental protection.
Below in conjunction with drawings and Examples the utility model is further specified.
Description of drawings
Fig. 1 is the fire-resistant middle pressure crosslinked cable structural representation of low-smoke bittern-free highly fire-proof.
Label declaration
1, conductor wire core 21, insulating barrier
22, conductor shield 23, insulation screen
3, copper strips lapped shielding layer 4, filling oxygen barrier layer
5, heat insulating belt 6, gear fire screen thermosphere
7, heat insulating belt 8, steel-tape armouring layer
9, heat insulating belt 10, oversheath.
Embodiment
As shown in Figure 1, the fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof that the utility model discloses is comprised of conductor wire core 1, conductor shield 22, insulating barrier 21, insulation screen 23, copper strips lapped shielding layer 3, filling oxygen barrier layer 4, heat insulating belt 5, gear fire screen thermosphere 6, heat insulating belt 7, steel-tape armouring layer 8, heat insulating belt 9 and oversheath 10 from the inside to surface.
Wherein, insulating barrier 21 is middle line ball low density polyethylene (LDPE) (XLPE) cross-linked material.Filling oxygen barrier layer 4 fills for the high flame retardant halogen-free and low-smoke flame-retardant polyolefin.Heat insulating belt 5,7 and 9 is the double-deck twining package tape of ceramic silica gel.Gear fire screen thermosphere 6 is ceramic silicon rubber, and optimum thickness is 5.0 millimeters.Steel-tape armouring layer 8 is galvanized steel strip.Oversheath 10 is the halogen-free and low-smoke flame-retardant polyolefin material.
The utility model adds man-hour, middle pressure cross-linked polyethylene insulated copper strip shielding cable core is the same with the cable core of common midium voltage cable, fill the high flame retardant halogen-free and low-smoke flame-retardant polyolefin, behind the wrapped double-layer ceramic SiClx adhesive tape in outside, extrude ceramic silicon rubber, wrapped double-layer ceramic SiClx adhesive tape again is behind the armouring galvanized steel strip, also wrapped double-layer ceramic SiClx adhesive tape again extrudes halogen-free and low-smoke flame-retardant polyolefin sheathed at last.
Key technology of the present utility model is: increased heat insulating belt 5,7 that the double-deck twining package tape of ceramic silica gel makes, 9 and the gear fire screen thermosphere 6 made of ceramic silicon rubber outside cable core, ceramic silicon rubber will reach certain thickness, the side makes ceramic silica gel can change rapidly package shape refractory heat-insulating structure into when meeting fire or high temperature, high flame retardant low smoke, zero halogen polyolefin is filled separator 4, when meeting fire, can stop flame continue spread the further flame-retardant performance of improving product.
The fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof described in the utility model, it is the upgrading of common middle die pressing product, except keeping common midium voltage cable product due electric and mechanical performance, gear fire screen thermosphere 6 is not running in the flame ablation situation, it is more soft sheath material, can guarantee the excellent bending performance of fireproof construction when normal, when meeting fire or high temperature, then change rapidly package shape refractory heat-insulating structure into, in flame environment, still can keep be no less than 90 minutes not damaged, stop that effectively flame or high temperature are to the damage of primary insulation, and the filling oxygen barrier layer 4 of whole cable, heat insulating belt 5,7,9 and oversheath 10 all adopt the manufacturing of low smoke and zero halogen material, cable is burnt in fire can not produce thick smoke yet, LSZH, harmless, increase the high temperature resistant of product, fire-resistant, the performance such as fire-retardant is conducive to people's escape, make the use occasion of product more extensive, therefore can be widely used in some densely populated and emphasis fireproof places.
Claims (5)
1. the fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof, it is characterized in that: formed by conductor wire core, conductor shield, insulating barrier, insulation screen, copper strips lapped shielding layer, filling oxygen barrier layer, heat insulating belt, gear fire screen thermosphere, heat insulating belt, steel-tape armouring layer, heat insulating belt and oversheath from the inside to surface, filling oxygen barrier layer is that the high flame retardant halogen-free and low-smoke flame-retardant polyolefin is filled, heat insulating belt is the double-deck twining package tape of ceramic silica gel, and gear fire screen thermosphere is ceramic silicon rubber.
2. the fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof as claimed in claim 1, it is characterized in that: described insulating barrier is the low density polyethylene cross-linked material of middle line ball.
3. the fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof as claimed in claim 1, it is characterized in that: described gear fire screen thermosphere thickness is 5.0 millimeters.
4. the fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof as claimed in claim 1, it is characterized in that: described steel-tape armouring layer is galvanized steel strip.
5. the fire-resistant middle pressure crosslinked cable of low-smoke bittern-free highly fire-proof as claimed in claim 1, it is characterized in that: described oversheath is the halogen-free and low-smoke flame-retardant polyolefin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357458 CN202796223U (en) | 2012-07-23 | 2012-07-23 | Low-smoke halogen-free high-flame-retardant fire-resistant medium-voltage crosslinked cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220357458 CN202796223U (en) | 2012-07-23 | 2012-07-23 | Low-smoke halogen-free high-flame-retardant fire-resistant medium-voltage crosslinked cable |
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| Publication Number | Publication Date |
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| CN202796223U true CN202796223U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220357458 Expired - Lifetime CN202796223U (en) | 2012-07-23 | 2012-07-23 | Low-smoke halogen-free high-flame-retardant fire-resistant medium-voltage crosslinked cable |
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| CN (1) | CN202796223U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606405A (en) * | 2013-11-21 | 2014-02-26 | 无锡市明珠电缆有限公司 | 35kV and below novel environment-friendly type middle voltage fireproof cable and production method thereof |
| CN103903780A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Poly-methyl trifluoro-propyl group siloxane temperature-self-control cable |
| CN103971834A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Thermal insulation cable |
| CN104733117A (en) * | 2015-03-26 | 2015-06-24 | 江苏通鼎光电科技有限公司 | High-inflaming-resistance railway signal cable |
| CN105225750A (en) * | 2014-06-25 | 2016-01-06 | 江苏宝安电缆有限公司 | Flame resistant cable is pressed in a kind of ceramic |
| CN105261414A (en) * | 2015-11-09 | 2016-01-20 | 金杯电工衡阳电缆有限公司 | Medium voltage fireproof electric cable |
| CN106279917A (en) * | 2016-08-29 | 2017-01-04 | 苏州意华电工有限公司 | Track traffic low-smoke non-halogen flame-retardant communication cable |
| CN107545953A (en) * | 2016-06-23 | 2018-01-05 | 上海市高桥电缆厂有限公司 | CA cable assembly |
| CN107945964A (en) * | 2017-12-06 | 2018-04-20 | 云南滇缆实业有限责任公司 | Pressure crosslinking flexible fire-proof cable in environmentally friendly heat insulation type metal steel sheath |
| CN109300586A (en) * | 2018-10-26 | 2019-02-01 | 长沙恒飞电缆有限公司 | Intrinsic safety type fireproof cable and preparation method thereof and preparation facilities |
-
2012
- 2012-07-23 CN CN 201220357458 patent/CN202796223U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606405A (en) * | 2013-11-21 | 2014-02-26 | 无锡市明珠电缆有限公司 | 35kV and below novel environment-friendly type middle voltage fireproof cable and production method thereof |
| CN103606405B (en) * | 2013-11-21 | 2015-12-09 | 无锡市明珠电缆有限公司 | Fireproof cable and production method thereof is pressed in 35kV and following novel environment-friendly |
| CN103903780A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Poly-methyl trifluoro-propyl group siloxane temperature-self-control cable |
| CN103971834A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Thermal insulation cable |
| CN105225750A (en) * | 2014-06-25 | 2016-01-06 | 江苏宝安电缆有限公司 | Flame resistant cable is pressed in a kind of ceramic |
| CN104733117A (en) * | 2015-03-26 | 2015-06-24 | 江苏通鼎光电科技有限公司 | High-inflaming-resistance railway signal cable |
| CN105261414A (en) * | 2015-11-09 | 2016-01-20 | 金杯电工衡阳电缆有限公司 | Medium voltage fireproof electric cable |
| CN107545953A (en) * | 2016-06-23 | 2018-01-05 | 上海市高桥电缆厂有限公司 | CA cable assembly |
| CN106279917A (en) * | 2016-08-29 | 2017-01-04 | 苏州意华电工有限公司 | Track traffic low-smoke non-halogen flame-retardant communication cable |
| CN107945964A (en) * | 2017-12-06 | 2018-04-20 | 云南滇缆实业有限责任公司 | Pressure crosslinking flexible fire-proof cable in environmentally friendly heat insulation type metal steel sheath |
| CN109300586A (en) * | 2018-10-26 | 2019-02-01 | 长沙恒飞电缆有限公司 | Intrinsic safety type fireproof cable and preparation method thereof and preparation facilities |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |