CN202601263U - Novel fire-proof shielding armored control cable - Google Patents
Novel fire-proof shielding armored control cable Download PDFInfo
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- CN202601263U CN202601263U CN 201220208299 CN201220208299U CN202601263U CN 202601263 U CN202601263 U CN 202601263U CN 201220208299 CN201220208299 CN 201220208299 CN 201220208299 U CN201220208299 U CN 201220208299U CN 202601263 U CN202601263 U CN 202601263U
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Abstract
The utility model discloses a novel fire-proof shielding armored control cable. The novel fire-proof shielding armored control cable comprises a cable core group, a mineral asbestos line packed layer, a second glass tape layer, a metal weaving shielding layer, a ceramic silica gel inner sheath, a steel tape armored layer, a fiberglass tape layer and a halogen-free low-smoke flame-retardant polyolefin outer sheath in sequence from inside to outside, wherein the cable core group comprises cable cores, mica mineral tapes, ceramic silica gel insulation layers and first glass tape layers which are respectively 2-37 in number, and each mica mineral tape, each ceramic silica gel insulation layer and each first glass tape layer wrap outside each cable core in sequence. The novel fire-proof shielding armored control cable overcomes the defect of poor fire resistance performance of an existing control cable, is high in fire resistant temperature, long in fire resistant time, simple in manufacturing process, and convenient to use and install.
Description
Technical field
The utility model belongs to the control cable field, is specifically related to a kind of novel fire-proof shield armoured control cable.
Background technology
At present, a kind of fireproof cable that generally uses is copper pipe mineral cables, and cable core is that single copper conductor forms single core or multicore; Skin is the copper pipe of using as sheath, makes separator by magnesia between copper conductor and the copper pipe, though simple in structure; Can prevent fires, but need repeated annealing, drawing, labour intensity is big; Not only hardness is very big, and has increased construction cost and time; In addition, what also have to adopt is that magnesia mineral fire-proof insulation and mica tape twine and reach fire-resistant requirement, but owing to the outer jacket of magnesia fire-proof insulation cable has special requirement; Aspect practical application, receive restriction to a certain degree, and the refractory material that mica tape twines, because the restriction of technology; Often be prone to cause overlapping the slot place defective to occur, morning glow master tape embrittlement comes off easily; Also cause fire-resistant weak effect, at present, the fireproof cable that oneself knows; Time that can be fire-resistant does not all surpass 90 minutes, is difficult to the effect that reaches desirable.
The utility model content
The technical problem that the utility model will solve is the shortcoming to existing control cable fire resistance difference, and a kind of novel fire-proof shield armoured control cable that a kind of refractory temperature is high, fire resistance period is long, manufacturing process is simple, easy to install and use is provided.
In order to solve the problems of the technologies described above; The utility model provides following technical scheme: a kind of novel fire-proof shield armoured control cable; Wherein, Include cable core group, mineral stone cotton cord packed layer, the second glass fiber belt, metal knitted screen, potteryization silica gel inner sheath, steel-tape armouring layer, glass belt and halogen-free and low-smoke flame-retardant polyolefin oversheath from the inside to the outside successively; The cable core group includes 2～37 cable cores, mica mineral band, potteryization silicone insulation layer and the first glass fiber belt, and mica mineral band, potteryization silicone insulation layer, the first glass fiber belt are wrapped in outside the single cable core successively.
Adopt a kind of novel fire-proof shield armoured control cable of the utility model technical scheme, include cable core group, mineral stone cotton cord packed layer, the second glass fiber belt, metal knitted screen, potteryization silica gel inner sheath, steel-tape armouring layer, glass belt and halogen-free and low-smoke flame-retardant polyolefin oversheath from the inside to the outside successively, the cable core group includes 2～37 cable cores, mica mineral band, potteryization silicone insulation layer and the first glass fiber belt; Mica mineral band, potteryization silicone insulation layer, the first glass fiber belt are wrapped in outside the single cable core successively; The part catches fire or during high temperature, the halogen-free and low-smoke flame-retardant polyolefin oversheath can absorb the heat that decomposes generation when running into, the reduction system temperature; Thereby reach flame retardant effect; Because the smoking set that discharges has the low concentration asepsis environment-protecting, has certain see-through, the personnel that are beneficial to withdraw fast; When if the halogen-free and low-smoke flame-retardant polyolefin oversheath does not have to stop flame; The fusing point of steel is 1515 ℃, and steel-tape armouring layer, glass belt and metallic shield braid can prevent further that flame high temperature from destroying internal material, and mica mineral band, the first glass fiber belt, mineral stone cotton cord packed layer, the second glass fiber belt are the fire protecting performance excellent material and form; Potteryization silicone insulation layer, potteryization silica gel inner sheath have possessed the performance of common silica gel under the normal temperature state; Softness, and in the time of 600～1300 ℃, can be cured as hard pottery, play anti-fire action; Therefore refractory temperature is high, manufacture craft is simple, and easy to install.
Further, a kind of novel fire-proof shield armoured control cable, wherein, described cable core many copper cash bundles strand of serving as reasons forms, and the area of section of cable core is 0.5～6.0 ㎜
2The more single copper conductor of cable core of many copper cash bundle strands is soft, helps installing and using.
Further, a kind of novel fire-proof shield armoured control cable, wherein, described mica mineral band is to be suppressed on the glass fiber guipure by mica powder to form.Mica powder has insulating properties, characteristics such as high temperature resistant, and it is suppressed on the glass fiber guipure, is convenient to processing, and intensive even distribution, helps further fire prevention.
Further again, a kind of novel fire-proof shield armoured control cable, wherein, described metal knitted screen is the network structure that forms with copper wire, tinned copper wire braiding.The fusing point of copper is about 1083.4 ℃, and is hard; The fusing point of tin is about 232 ℃, and is soft, and the fire prevention that the network structure of braiding was both favourable avoids metal knitted screen to melt, and has guaranteed the flexibility of control cable again, avoids influence to install and use.
Adopt a kind of novel fire-proof shield armoured control cable of the utility model technical scheme; When surrounding environment is in just often, cable core, potteryization silicone insulation layer, metal knitted screen, potteryization silica gel inner sheath, steel-tape armouring layer, glass belt and the halogen-free and low-smoke flame-retardant polyolefin oversheath that the copper cash of bundle strand is formed all guaranteed the flexibility and the pull resistance of cable, when the control cable surrounding environment is caught fire; The halogen-free and low-smoke flame-retardant polyolefin oversheath at first can absorb and decompose heat, the reduction system temperature that produces; Thereby reach flame retardant effect,, have certain see-through because the smoking set that discharges has the low concentration asepsis environment-protecting; The personnel that are beneficial to withdraw fast; When if the halogen-free and low-smoke flame-retardant polyolefin oversheath does not have to stop flame, glass belt and steel-tape armouring layer then play anti-fire action, when the steel-tape armouring layer can not bear high temperature and when being melted; The pottery fire prevention that the curable formation of potteryization silica gel inner sheath is hard; And when the pottery that forms was burnt the crack or damages, metal knitted screen, the second glass fiber belt and mineral stone cotton cord packed layer were further prevented fires, and the first glass fiber belt, potteryization silicone insulation layer and mica mineral band can finally be protected the cable core group; Avoid the cable core group to receive the influence of flame high temperature; Make that the cable core holding current or the signal that are twisted by the copper cash bundle are unimpeded, this kind fire prevention armoured control cable can bear 950 ℃ of high temperature, under the situation that has bump or water to drench; About secure communication 3 hours, refractory temperature is high, fire resistance period is long, manufacturing process is simple, easy to install and use.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model technical scheme is further specified:
Fig. 1 is the section structure sketch map of a kind of novel fire-proof shield armoured control cable embodiment of the utility model.
Embodiment
As shown in Figure 1; A kind of novel fire-proof shield armoured control cable of the utility model; Wherein, Include cable core group, mineral stone cotton cord packed layer 5, the second glass fiber belt 6, metal knitted screen 7, potteryization silica gel inner sheath 8, steel-tape armouring layer 10, glass belt 11 and halogen-free and low-smoke flame-retardant polyolefin oversheath 12 from the inside to the outside successively; The cable core group includes 2～37 cable cores 1, mica mineral band 2, potteryization silicone insulation layer 3 and the first glass fiber belt 4, and mica mineral band 2, potteryization silicone insulation layer 3, the first glass fiber belt 4 are wrapped in outside the single cable core 1 successively; The cable core 1 many copper cash 9 bundle strand of serving as reasons forms, and cable core 1 area of section is 0.5～6.0 ㎜
2Mica mineral band 2 is to be suppressed on the glass fiber guipure by mica powder to form, and wire sheathing 7 is the network structures that form with copper wire, tinned copper wire braiding.
In the practical implementation process, the cable core group is made up of three cable cores 1, and the area of section of cable core 1 is 0.5 ㎜
2, certainly, if the cable core 1 of any number of cable core group among adopting two, four, five, six, ten, 20,30,37 or other 2～37 is formed, the cross section of cable core 1 is 0.5～6.0 ㎜
2In wherein arbitrary data, also within the rights protection scope, when the control cable surrounding environment is caught fire; At first, halogen-free and low-smoke flame-retardant polyolefin oversheath 12 can absorb and decompose heat, the reduction system temperature that produces, thereby reaches flame retardant effect; Because the smoking set that discharges has the characteristics of low concentration asepsis environment-protecting; Have certain see-through, the personnel that are beneficial to withdraw fast, if when halogen-free and low-smoke flame-retardant polyolefin oversheath 12 does not have to stop flame; Glass belt 11 plays anti-fire action with 10 on steel-tape armouring layer; When steel-tape armouring layer 10 can not bear high temperature and when being melted, the pottery fire prevention that the 8 curable formation of potteryization silica gel inner sheath are hard, and burnt the crack when perhaps damaging when the pottery of formation; Metal knitted screen 7, the second glass fiber belt 6 and 5 further fire prevention of mineral stone cotton cord packed layer; The first glass fiber belt 4, potteryization silicone insulation layer 3 and mica mineral band 2 can finally be protected cable core 1, avoid cable core 1 to receive the influence of flame high temperature, make by cable core 1 inhibit signal of copper cash 9 bundle strands unimpeded.
For a person skilled in the art; Under the prerequisite that does not break away from the utility model structure; Can also make some distortion and improvement, these also should be regarded as the protection range of the utility model, and these can not influence effect and practical applicability that the utility model is implemented.
Claims (4)
1. novel fire-proof shield armoured control cable; It is characterized in that: include cable core group, mineral stone cotton cord packed layer, the second glass fiber belt, metal knitted screen, potteryization silica gel inner sheath, steel-tape armouring layer, glass belt and halogen-free and low-smoke flame-retardant polyolefin oversheath from the inside to the outside successively; The cable core group includes 2～37 cable cores, mica mineral band, potteryization silicone insulation layer and the first glass fiber belt, and mica mineral band, potteryization silicone insulation layer, the first glass fiber belt are wrapped in outside the single cable core successively.
2. a kind of novel fire-proof shield armoured control cable as claimed in claim 1 is characterized in that: described cable core many copper cash bundles strand of serving as reasons forms, and the area of section of cable core is 0.5～6.0 ㎜
2
3. a kind of novel fire-proof shield armoured control cable as claimed in claim 1 is characterized in that: described mica mineral band is to be suppressed on the glass fiber guipure by mica powder to form.
4. a kind of novel fire-proof shield armoured control cable as claimed in claim 1 is characterized in that: described metal knitted screen is the network structure that forms with copper wire, tinned copper wire braiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208299 CN202601263U (en) | 2012-05-10 | 2012-05-10 | Novel fire-proof shielding armored control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208299 CN202601263U (en) | 2012-05-10 | 2012-05-10 | Novel fire-proof shielding armored control cable |
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| Publication Number | Publication Date |
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| CN202601263U true CN202601263U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220208299 Expired - Fee Related CN202601263U (en) | 2012-05-10 | 2012-05-10 | Novel fire-proof shielding armored control cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198892A (en) * | 2013-04-25 | 2013-07-10 | 桂林国际电线电缆有限责任公司 | Novel composite flame-retardant cable |
| CN104751968A (en) * | 2015-03-20 | 2015-07-01 | 特变电工(德阳)电缆股份有限公司 | Fireproof cable and manufacturing method thereof |
| CN107785112A (en) * | 2017-12-04 | 2018-03-09 | 浙江中大元通特种电缆有限公司 | A kind of chain armoured control cable of ceramic polyolefin insulation stainless steel |
-
2012
- 2012-05-10 CN CN 201220208299 patent/CN202601263U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198892A (en) * | 2013-04-25 | 2013-07-10 | 桂林国际电线电缆有限责任公司 | Novel composite flame-retardant cable |
| CN104751968A (en) * | 2015-03-20 | 2015-07-01 | 特变电工(德阳)电缆股份有限公司 | Fireproof cable and manufacturing method thereof |
| CN107785112A (en) * | 2017-12-04 | 2018-03-09 | 浙江中大元通特种电缆有限公司 | A kind of chain armoured control cable of ceramic polyolefin insulation stainless steel |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150510 |
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| EXPY | Termination of patent right or utility model |