CN202736550U - Cold-resistant and rat-and-ant-proof computer cable - Google Patents
Cold-resistant and rat-and-ant-proof computer cable Download PDFInfo
- Publication number
- CN202736550U CN202736550U CN 201220370754 CN201220370754U CN202736550U CN 202736550 U CN202736550 U CN 202736550U CN 201220370754 CN201220370754 CN 201220370754 CN 201220370754 U CN201220370754 U CN 201220370754U CN 202736550 U CN202736550 U CN 202736550U
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- lapping layer
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- rat
- fireproof
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Abstract
The utility model discloses a cold-resistant and rat-and-ant-proof computer cable. The computer cable comprises two groups of conductors, wherein each group of conductors consists two conductors which is separately wrapped with a butyronityile insulating layer, then the two conductors are lapped with a fireproof inner lapping layer; high-temperature resistant ceramic magnesium oxide powder is filled between each fireproof inner lapping layer and each butyronityile insulating layer; the two groups of conductors are vertically arranged in a parallel manner to form a cable core; the outside of the cable core is lapped with a fireproof outer lapping layer; high-temperature resistant glass fiber is filled between the fireproof outer lapping layer and the cable core; the outside of the fireproof outer lapping layer is provided with a copper wire woven main shielding layer with a weaving density being no less than 88%; and the outside of the copper wire woven main shielding layer is provided with a rat-and-ant-proof butyronityile protective sheath layer. The computer cable has a reasonable structural design. Through the inner and outer filling layers, the fireproof inner lapping layer and the fireproof outer lapping layer in the cable, fireproof property of the cable is effectively improved. In addition, the cable has good rat-and-ant-proof performance, substantially improved adaptability to the environment and a prolonged service life.
Description
Technical field:
The utility model relates to computer cable, relates in particular to a kind of cold-resistant rat-and-ant proof computer cable.
Background technology:
The utility model be applicable to exchange the industries such as 300/500V electric power, metallurgy, petrochemical industry have high-low temperature resistant, corrosion-resistant and to specific (special) requirements occasions such as the soda acids of draining the oil take electronic computer as main automatic control, be particularly useful for computer distributed control system, automation control system is made control line and detection instrument and meter.
Because electric spark and thermal effect are to cause the main contributor of explosion hazard gases blast, and consider from the system wiring angle, because cable is comprised of distribution elements such as many distributed capacitance, inductance, make it correspondingly become energy-storage travelling wave tube, therefore in signals transmission, store inevitably certain energy.
In case system breaks down, these energy storage will discharge with the form of electric spark or thermal effect, affect Security of the system.Therefore, require cable to have low electric capacity and low inductance, cable itself with electric charge to lack, be difficult for to produce electric spark; Secondly, require cable to have good shielding properties, have good anti-external electromagnetic field and disturb and do not produce external interference.
The utility model content:
In order to remedy the deficiencies in the prior art, the purpose of this utility model provides a kind of cold-resistant rat-and-ant proof computer cable, and reasonable in design has improved the fire-resistance property of cable, the demand that makes it to conform.
The technical solution of the utility model is as follows:
Cold-resistant rat-and-ant proof computer cable, comprise two conductor groups, it is characterized in that: described two conductor groups are by lapping layer in the mutual stranded rear also wrapped fire prevention of the conductor of two parcel butyronitrile insulating barriers, be filled with the refractory ceramics magnesium oxide powder in the fire prevention between lapping layer and the butyronitrile insulating barrier and consist of interior packed layer, two parallel vertical formation cable cores of putting of conductor group, cable core is surrounded with the outer lapping layer of fire prevention outward, prevent fires and be filled with the outer packed layer of pyroceram silk filling formation between outer lapping layer and the cable core, the outer lapping layer of preventing fires is provided with the total screen of proof copper-wire braided outward, count is not less than 88%, and the total screen of proof copper-wire braided is provided with the cold-resistant butyronitrile restrictive coating of rat-and-ant proof outward.
Described cold-resistant rat-and-ant proof computer cable is characterized in that: lapping layer adopts the overlapping wrapped formation of high temperature resistance polyester band in the described fire prevention, and the wrapped rate of putting up is not less than 25%.
Described cold-resistant rat-and-ant proof computer cable is characterized in that: the outer lapping layer of described fire prevention adopts the overlapping wrapped formation of fire-resistant isinglass belt, and the wrapped rate of putting up is not less than 35%.
The utility model has the advantages that:
The utility model reasonable in design, by lapping layer in the inside and outside packed layer of cable and fire prevention, prevent fires outside lapping layer, effectively improved the fireproofing of cable characteristic, this outer cable also has well protection against rodents cold tolerance, greatly improve cable to the adaptive capacity of environment, increase the service life.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment:
Referring to Fig. 1:
Cold-resistant rat-and-ant proof computer cable, comprise two conductor groups, two conductor groups are by lapping layer 3 in the conductor 1 mutual stranded rear also wrapped fire prevention of two parcel butyronitrile insulating barriers 2, be filled with the refractory ceramics magnesium oxide powder in the fire prevention between lapping layer 3 and the butyronitrile insulating barrier 2 and consist of interior packed layer 4, two parallel vertical formation cable cores of putting of conductor group, cable core is surrounded with the outer lapping layer 5 of fire prevention outward, prevent fires and be filled with the outer packed layer 6 of pyroceram silk filling formation between outer lapping layer 5 and the cable core, the outer lapping layer 5 of preventing fires is provided with the total screens 7 of proof copper-wire braided outward, count is not less than 88%, the total screen 7 outer cold-resistant butyronitrile restrictive coatings 8 of rat-and-ant proof that are provided with of proof copper-wire braided.
Lapping layer 3 adopts the overlapping wrapped formation of high temperature resistance polyester band in the fire prevention, and the wrapped rate of putting up is not less than 25%.
The outer lapping layer 5 of preventing fires adopts the overlapping wrapped formation of fire-resistant isinglass belt, and the wrapped rate of putting up is not less than 35%.
Operating characteristic and major parameter:
Withstand voltage test (KV/min): 2.0/5
Conductor allow for a long time maximum operating temperature (℃): 105
20 ℃ of insulation resistances (Ω .km): 〉=25
Termite test (knocking down method): KT95 time≤350min
The 24h death rate 100%
Cable Bending Radius (mm): 10 times of cable sizes.
Claims (3)
1. cold-resistant rat-and-ant proof computer cable, comprise two conductor groups, it is characterized in that: described two conductor groups are by lapping layer in the mutual stranded rear also wrapped fire prevention of the conductor of two parcel butyronitrile insulating barriers, be filled with the refractory ceramics magnesium oxide powder in the fire prevention between lapping layer and the butyronitrile insulating barrier and consist of interior packed layer, two parallel vertical formation cable cores of putting of conductor group, cable core is surrounded with the outer lapping layer of fire prevention outward, prevent fires and be filled with the outer packed layer of pyroceram silk filling formation between outer lapping layer and the cable core, the outer lapping layer of preventing fires is provided with the total screen of proof copper-wire braided outward, count is not less than 88%, and the total screen of proof copper-wire braided is provided with the cold-resistant butyronitrile restrictive coating of rat-and-ant proof outward.
2. cold-resistant rat-and-ant proof computer cable according to claim 1 is characterized in that: lapping layer adopts the overlapping wrapped formation of high temperature resistance polyester band in the described fire prevention, and the wrapped rate of putting up is not less than 25%.
3. cold-resistant rat-and-ant proof computer cable according to claim 1 is characterized in that: the outer lapping layer of described fire prevention adopts the overlapping wrapped formation of fire-resistant isinglass belt, and the wrapped rate of putting up is not less than 35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370754 CN202736550U (en) | 2012-07-28 | 2012-07-28 | Cold-resistant and rat-and-ant-proof computer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220370754 CN202736550U (en) | 2012-07-28 | 2012-07-28 | Cold-resistant and rat-and-ant-proof computer cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736550U true CN202736550U (en) | 2013-02-13 |
Family
ID=47662225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220370754 Expired - Fee Related CN202736550U (en) | 2012-07-28 | 2012-07-28 | Cold-resistant and rat-and-ant-proof computer cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202736550U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310883A (en) * | 2013-06-25 | 2013-09-18 | 江苏红峰电缆集团有限公司 | Double-core pair-twisting computer cable |
| CN103903806A (en) * | 2014-03-05 | 2014-07-02 | 安徽华峰电缆集团有限公司 | Flame-retardant power cable |
| CN103928144A (en) * | 2014-03-27 | 2014-07-16 | 安徽长风电缆集团有限公司 | Ultraviolet-proof cable with high temperature resistance |
| CN103985459A (en) * | 2014-04-11 | 2014-08-13 | 安徽省赛华电缆有限公司 | Fire resistance and high-temperature resistance electric wire |
| CN104751958A (en) * | 2015-03-27 | 2015-07-01 | 安徽华电线缆集团有限公司 | Water-resistant rat-proof anti-termite computer cable |
| CN106057283A (en) * | 2016-06-17 | 2016-10-26 | 张秀丽 | Flexible mineral power cable |
| CN109786024A (en) * | 2019-03-16 | 2019-05-21 | 安徽省亿嘉弘电器有限公司 | A kind of communication apparatus rat-and-ant proof harness line |
-
2012
- 2012-07-28 CN CN 201220370754 patent/CN202736550U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310883A (en) * | 2013-06-25 | 2013-09-18 | 江苏红峰电缆集团有限公司 | Double-core pair-twisting computer cable |
| CN103903806A (en) * | 2014-03-05 | 2014-07-02 | 安徽华峰电缆集团有限公司 | Flame-retardant power cable |
| CN103928144A (en) * | 2014-03-27 | 2014-07-16 | 安徽长风电缆集团有限公司 | Ultraviolet-proof cable with high temperature resistance |
| CN103985459A (en) * | 2014-04-11 | 2014-08-13 | 安徽省赛华电缆有限公司 | Fire resistance and high-temperature resistance electric wire |
| CN104751958A (en) * | 2015-03-27 | 2015-07-01 | 安徽华电线缆集团有限公司 | Water-resistant rat-proof anti-termite computer cable |
| CN106057283A (en) * | 2016-06-17 | 2016-10-26 | 张秀丽 | Flexible mineral power cable |
| CN109786024A (en) * | 2019-03-16 | 2019-05-21 | 安徽省亿嘉弘电器有限公司 | A kind of communication apparatus rat-and-ant proof harness line |
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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: 20130213 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |