CN204792046U - Novel fire -resistant computer of pottery silicon rubber insulation and instrument cable - Google Patents
Novel fire -resistant computer of pottery silicon rubber insulation and instrument cable Download PDFInfo
- Publication number
- CN204792046U CN204792046U CN201520512306.5U CN201520512306U CN204792046U CN 204792046 U CN204792046 U CN 204792046U CN 201520512306 U CN201520512306 U CN 201520512306U CN 204792046 U CN204792046 U CN 204792046U
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- silicon rubber
- insulating barrier
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- outside
- instrument cable
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Abstract
The utility model discloses a novel fire -resistant computer of pottery silicon rubber insulation and instrument cable, the wire adopts double -deck insulation system on the one hand, the inlayer forms for the crowded package of pottery silicon rubber materials, outer adoption gathers the crowded tubular evacuation of second propylene of perfluor and forms, the inlayer carries out the pottery protection to the conductor, outer volume resistance and oxygen index (OI) are high, machinery physical properties is excellent, when it externally protects the inlayer, both can regard as at a distance from the oxygen layer, the reinforcing fire resistance, can compensate the not enough of pottery silicon rubber insulation performance again, the overall insulation ability has been improved, on the other hand, total shielding layer cooperatees with the branch shielding layer, guarantee as the anti -electromagnetic interference performance in the working process of computer and instrument cable. The utility model provides a novel fire -resistant computer of pottery silicon rubber insulation and instrument cable, structural design is reasonable, prevents outside electromagnetic interference in the working process, and signal transmission is stable, simultaneously fire resistance, electric insulation performance excellence.
Description
Technical field
The utility model relates to field of cable technology, particularly relates to a kind of new ceramics silicon rubber insulation fire-resistant computer and instrument cable.
Background technology
At present, ceramic silicon rubber insulating flame-resistant computer and instrument cable product occur, its structure on copper conductor, extrudes Ceramic silicon rubber as insulating barrier and flame retardant coating, the material of its following process and use is then the same with instrument cable with common computer, pressing stranded to line group, three line groups or quad is cabling unit, stranding after the wrapped or woven separated-shielding of cabling unit, extruding oversheath after the wrapped or braided overall-shielding of cable core becomes finished product.The ceramic silicon rubber insulating flame-resistant computer of such making and instrument cable still come with some shortcomings part: as thinner in the Ceramic silicon rubber insulation thickness because extruding, generally at 1.0mm and following, refractory ability is strong not, Ceramic silicon rubber tensile strength>=5N/mm in addition
2, relatively low, not ideal enough, insulation property are not good enough yet, and when 20 DEG C, specific insulation is 2 × 10
13(generally as insulating material, specific insulation is preferably 1 × 10 for Ω cm
14more than Ω cm).
Utility model content
For solving the technical problem existed in background technology, the utility model proposes a kind of new ceramics silicon rubber insulation fire-resistant computer and instrument cable, rational in infrastructure, anti-interference, fire resistance, electrical insulation properties are excellent.
A kind of new ceramics silicon rubber insulation fire-resistant computer that the utility model proposes and instrument cable, comprising: cable core, total lapping layer, total screen, restrictive coating;
Cable core forms by multiple lead unit is stranded, each lead unit comprises unit core, is coated on point lapping layer of unit core outside, is coated on a point sub-shield for lapping layer outside, unit core forms by multiple conducting wires is stranded, every root wire comprises the conductor in the middle part of being positioned at, is coated on the first insulating barrier of conductor outside, is coated on the second insulating barrier of the first insulating barrier outside, first insulating barrier adopts Ceramic silicon rubber material to extrude and forms, and the second insulating barrier adopts perfluoroethylene-propylene to squeeze tubular type and vacuumizes and make;
Total lapping layer is coated on cable core outside, and it is outside that total screen is coated on total lapping layer, and it is outside that restrictive coating is coated on total screen.
Preferably, sub-shield adopts proof copper-wire braided to form, and total screen adopts proof copper-wire braided to form.
Preferably, restrictive coating adopts silastic material to make.
Preferably, conductor adopts copper core conductor, and the first insulating barrier, the second insulating barrier are arranged with conductor is concentric.
In the utility model, the new ceramics silicon rubber insulation fire-resistant computer proposed and instrument cable, wire adopts double-layer insulating structure on the one hand, internal layer is that Ceramic silicon rubber material extrudes and forms, outer adopt perfluoroethylene-propylene to squeeze tubular type to vacuumize and form, internal layer carries out ceramic protection to conductor, outer volume resistance, oxygen index is high, mechanical and physical performance is excellent, it is while outer protection internal layer, both can be used as oxygen barrier layer, strengthen fire resistance, the deficiency of Ceramic silicon rubber insulation property can be made up again, improve integral insulation performance, on the other hand, total screen and sub-shield match, ensure as the electromagnetism interference performance in the course of work of computer and instrument cable.By new ceramics silicon rubber insulation fire-resistant computer and the instrument cable of above-mentioned optimal design, reasonable in design, prevents external electromagnetic interference in the course of work, stable signal transmission, simultaneously fire resistance, electrical insulation properties excellence.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of new ceramics silicon rubber insulation fire-resistant computer and the instrument cable that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of new ceramics silicon rubber insulation fire-resistant computer and the instrument cable that the utility model proposes.
With reference to Fig. 1, a kind of new ceramics silicon rubber insulation fire-resistant computer that the utility model proposes and instrument cable, comprising: cable core, total lapping layer 4, total screen 5, restrictive coating 6;
Cable core forms by multiple lead unit is stranded, each lead unit comprises unit core, be coated on point lapping layer 2 of unit core outside, be coated on the sub-shield 3 of point lapping layer 2 outside, sub-shield 3 adopts proof copper-wire braided to form, unit core forms by multiple conducting wires 1 is stranded, every root wire 1 comprises the conductor 11 being positioned at middle part, be coated on the first insulating barrier 12 of conductor 1 outside, be coated on the second insulating barrier 13 of the first insulating barrier 12 outside, conductor 11 adopts copper core conductor, first insulating barrier 12, second insulating barrier 13 is arranged with conductor 11 is concentric, first insulating barrier 12 adopts Ceramic silicon rubber material to extrude and forms, second insulating barrier 13 adopts perfluoroethylene-propylene to squeeze tubular type and vacuumizes and make,
Total lapping layer 4 is coated on cable core outside, and it is outside that total screen 5 is coated on total lapping layer 4, and total screen 5 adopts proof copper-wire braided to form, and it is outside that restrictive coating 6 is coated on total screen 5, and restrictive coating 6 adopts silastic material to make.
The new ceramics silicon rubber insulation fire-resistant computer that the present embodiment proposes and instrument cable; wire adopts double-layer insulating structure; internal layer is that Ceramic silicon rubber material extrudes and forms; at high temperature there is ceramic in it; available protecting is carried out to conductor; this external Ceramic silicon rubber insulating barrier outside adopts crowded tubular type to vacuumize and makes perfluoroethylene-propylene layer, and perfluoroethylene-propylene has excellent insulation property, fire resistance and mechanical and physical performance, its specific insulation>=1 × 10 when 20 DEG C
17Ω cm, tensile strength>=21N/mm
2, be more than 4 times of Ceramic silicon rubber, oxygen index, also up to more than 70, while outer protection Ceramic silicon rubber layer, as oxygen barrier layer, strengthens fire resistance, and can make up the deficiency of Ceramic silicon rubber insulation property, improve integral insulation performance; Meanwhile, perfluoroethylene-propylene insulation maximum operating temperature is 200 DEG C, and Ceramic silicon rubber insulation maximum operating temperature is 180 DEG C, and perfluoroethylene-propylene can match with ceramic silication rubber-covered performance well, ensures insulation fire protecting performance.
On the other hand, total screen of cable core outside and the sub-shield of lead unit outside match, the two all adopts proof copper-wire braided to form, and ensures as the electromagnetism interference performance in the course of work of computer and instrument cable, while do not affect whole cable pliability.
In a specific embodiment, conductor adopts copper core conductor, and the first insulating barrier, the second insulating barrier are arranged with conductor is concentric, and conductor is evenly distributed in cable core, cable core internal magnetic field distributing equilibrium, improves anti-electromagnetic-radiation performance further.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (4)
1. new ceramics silicon rubber insulation fire-resistant computer and an instrument cable, is characterized in that, comprising: cable core, total lapping layer (4), total screen (5), restrictive coating (6);
Cable core forms by multiple lead unit is stranded, each lead unit comprises unit core, be coated on point lapping layer (2) of unit core outside, be coated on the sub-shield (3) that a point lapping layer (2) is outside, unit core forms by multiple conducting wires (1) is stranded, every root wire (1) comprises the conductor (11) being positioned at middle part, be coated on the first insulating barrier (12) that conductor (1) is outside, be coated on the second insulating barrier (13) that the first insulating barrier (12) is outside, first insulating barrier (12) adopts ceramic silication elastomeric material to extrude and forms, second insulating barrier (13) adopts perfluoroethylene-propylene to squeeze tubular type and vacuumizes and make,
Total lapping layer (4) is coated on cable core outside, and it is outside that total screen (5) is coated on total lapping layer (4), and it is outside that restrictive coating (6) is coated on total screen (5).
2. new ceramics silicon rubber insulation fire-resistant computer according to claim 1 and instrument cable, is characterized in that, sub-shield (3) adopts proof copper-wire braided to form, and total screen (5) adopts proof copper-wire braided to form.
3. new ceramics silicon rubber insulation fire-resistant computer according to claim 1 and instrument cable, is characterized in that, restrictive coating (6) adopts silastic material to make.
4. new ceramics silicon rubber insulation fire-resistant computer according to claim 1 and instrument cable, it is characterized in that, conductor (11) adopts copper core conductor, and the first insulating barrier (12), the second insulating barrier (13) are arranged with conductor (11) is concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512306.5U CN204792046U (en) | 2015-07-14 | 2015-07-14 | Novel fire -resistant computer of pottery silicon rubber insulation and instrument cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512306.5U CN204792046U (en) | 2015-07-14 | 2015-07-14 | Novel fire -resistant computer of pottery silicon rubber insulation and instrument cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204792046U true CN204792046U (en) | 2015-11-18 |
Family
ID=54532047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520512306.5U Expired - Fee Related CN204792046U (en) | 2015-07-14 | 2015-07-14 | Novel fire -resistant computer of pottery silicon rubber insulation and instrument cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204792046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945957A (en) * | 2017-10-17 | 2018-04-20 | 安徽庆华电缆有限公司 | A kind of cable used for oil platform |
-
2015
- 2015-07-14 CN CN201520512306.5U patent/CN204792046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945957A (en) * | 2017-10-17 | 2018-04-20 | 安徽庆华电缆有限公司 | A kind of cable used for oil platform |
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Legal Events
| 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: 20151118 Termination date: 20170714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |