CN202473344U - Diffuse-type instrument signal cable for intrinsic anti-explosion circuit - Google Patents
Diffuse-type instrument signal cable for intrinsic anti-explosion circuit Download PDFInfo
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- CN202473344U CN202473344U CN2012201153551U CN201220115355U CN202473344U CN 202473344 U CN202473344 U CN 202473344U CN 2012201153551 U CN2012201153551 U CN 2012201153551U CN 201220115355 U CN201220115355 U CN 201220115355U CN 202473344 U CN202473344 U CN 202473344U
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Abstract
The utility model discloses a diffuse-type instrument signal cable for an intrinsic anti-explosion circuit, wherein the diffuse-type instrument signal cable for the intrinsic anti-explosion circuit is characterized in that insulation layers are extruded and wrapped on a conductor so as to form insulation wire cores; two insulation wire cores form pair twist units; the outer layers of the pair twist units are provided with polyester tapes and unit shielding layers so as to form pair twist unit groups; a plurality of pair twist unit groups form cable cores; the outer layers of the cable cores are sequentially provided with inner wrapped tape layers, general shielding layers, inner lining layers, armored layers and outer sheath layers from inside to outside; materials of the insulation layers are polyvinyl plastics or cross linked polyethylene plastics; and the outer sheath layers are formed through extrusion and wrapping of materials of flame-retardant semiconducting-type plastics. The diffuse-type instrument signal cable for the intrinsic anti-explosion circuit provided by the utility model has the performances of high transmission stability, static electricity resistance, lightning stroke resistance, high flexibility, high electromagnetic interference resistance, flame retardance, oil resistance and the like, and the quality of cables of instrument meter cable connection in occasions of petroleum, chemical engineering and the like can be improved effectively.
Description
Technical field
The utility model relates to a kind of signal cable, relates in particular to a kind of intrinsic safe explosion-proof circuit with collective and distributive type instrument signal cable, belongs to technical field of electric wires and cables.
Background technology
Industrialized fast development and automaticity improve constantly, and the intellectuality of electrical instrumentation will become such industry development.Traditional instrument and meter will develop towards high-performance, high accuracy, long-life, high stable, direction such as highly sensitive and highly reliable.Increasingly mature along with electron controls technology improved electrical equipment, machinery and instrument automation controlling level.
Because fields such as oil, chemical industry have certain particularity; The environment of electric equipment operation is abominable; Security requirement is high; To the corresponding proposition requirements at the higher level of accessory cables, particularly requirements at the higher level have been proposed stability, fail safe, the anti-interference and anti-wet goods performance that connects the deathtrap signal cable.And existing instrument cable can't satisfy related request.
Summary of the invention
The utility model is for avoiding above-mentioned existing in prior technology weak point; The intrinsic safe explosion-proof circuit that a kind of fire-retardant, antistatic, anti-thunderbolt and anticorrosion type are provided is with collective and distributive type instrument signal cable; Make such instrument signal cable have performances such as high-transmission stability, antistatic, anti-thunderbolt, highly sensitive, high anti-electromagnetic interference, fire-retardant, oil resistant, the quality of the instrument and meter cable stube cable of occasions such as raising oil, chemical industry.
The utility model technical solution problem adopts following technical scheme:
The utility model intrinsic safe explosion-proof circuit is that the extruded insulation layer constitutes insulated wire cores on conductor with the design feature of collective and distributive type instrument signal cable; Constitute the pair twist unit by two said insulated wire cores; Skin in said pair twist unit is provided with polyester belt, and the skin of said polyester belt is provided with the unit screen and constitutes pair twist unit group; Constitute cable core by a plurality of said pair twists unit group, set gradually interior belting layer, total screen, inner covering, armour and external sheath layer from inside to outside at the skin of said cable core;
Said insulating barrier is to be material with vinyon or crosslinked polyethylene plastic; Said external sheath layer is to be that material extrudes and forms with the fire retardant semi-conductive plastic;
Between said polyester belt and unit screen, be provided with the unit drainage thread; In said, between belting layer and the total screen total shielding drainage thread is set.
The utility model intrinsic safe explosion-proof circuit also is with the design feature of collective and distributive type instrument signal cable:
Said conductor adopts seven stranded forming of tin annealed copper wire.
Said unit screen adopts the vertical bag of copper strips embossing technology.
Each pair twist unit adopts different pitches in the said cable core.
Said armour adopts magnetic zinc-coated wire braiding structure.
Compared with present technology, the utility model beneficial effect is embodied in:
1, the utility model is rational in infrastructure, and is easy to manufacture, only needs conventional universal cordage production equipment, and cable electrical performance, mechanical and physical performance are good, can satisfy the specification requirement of special dimension running environment such as oil, chemical industry and control;
What 2, the insulating barrier in the utility model adopted high electrical property and high-mechanical property gathers second insulating material or crosslinked polyethylene material, and material is easy to get, and is easy to process, and cost performance is the highest;
3, the conductor in the utility model adopts tinned copper wire, has improved the electrical security at cable joint place, and seven lay configuration make conductor soft more;
4, the pair twist unit adopts different pitches in the utility model; Reduced line between cross-talk; Guaranteed the stability of cable signal transmission, the line that has reduced cable simultaneously to electromagnetic coupled, realize transmission performances such as cable high transfer rate, low transmission impedance, low decay;
5, the unit screen adopts the vertical bag of copper strips embossing technology in the utility model, has improved cable shield effect and bending property; The unit screen can effectively reduce between cable pair electromagnetism and do anti-ly, and the total shielding of cable core effectively reduces cable and surrounding environment is produced electromagnetic interference or surrounding environment cable is produced disturbs;
6, the armour in the utility model adopts magnetic zinc-coated wire braiding structure, can play the effect of carrying cable weight on the one hand, can play the effect of anti-magnetic disturbance on the other hand;
7, the external sheath layer in the utility model is that material extrudes and forms with the fire retardant semi-conductive plastic, and fire-retardant, antistatic, anti-thunderbolt, oil resistant corrosion are safe, are fit to move under the special adverse circumstances such as oil, chemical industry.
Description of drawings
Fig. 1 is the utility model structural representation.
Label among the figure: 1 conductor, 2 insulating barriers, 3 pair twist unit, 4 polyester belts, 5 unit drainage threads; 6 unit screens, 7 unit pair twist groups, 8 cable cores, 9 interior belting layers, 10 total shielding drainage threads; 11 total screens, 12 inner coverings, 13 armours, 14 outer belting layers, 15 external sheath layers.
Embodiment
Referring to Fig. 1; The intrinsic safe explosion-proof circuit is that extruded insulation layer 2 constitutes insulated wire cores on conductor 1 with collective and distributive type instrument signal cable in the present embodiment; Constitute pair twist unit 3 by two insulated cores; Skin in pair twist unit 3 is provided with polyester belt 4, and the skin of polyester belt 4 is provided with unit screen 6 and constitutes pair twist unit group 7; Constitute cable core 8 by a plurality of pair twists unit group, belting layer 9, total screen 11, inner covering 12, armour 13 and external sheath layer 15 in the skin of cable core 8 sets gradually from inside to outside;
In the practical implementation, insulating barrier 2 is to be material with vinyon or crosslinked polyethylene plastic; External sheath layer 15 is to be that material extrudes and forms with the fire retardant semi-conductive plastic; Between polyester belt 4 and unit screen 6, be provided with unit drainage thread 5; Between interior belting layer 9 and total screen 11, total shielding drainage thread 10 is set.
In the present embodiment, adopt tin annealed copper wire, its performance meets the requirement of the 2nd kind of zinc-plated flexible conductor of GB/T3956-1997, and conductor 1 adopts seven stranded forming of tin annealed copper wire; Unit screen 6 adopts the vertical bag of copper strips embossing technology; Each pair twist unit adopts different pitches in the cable core 8; Armour 13 adopts magnetic zinc-coated wire braiding structure.
Claims (5)
1. the intrinsic safe explosion-proof circuit is with collective and distributive type instrument signal cable; It is characterized in that going up extruded insulation layer (2) at conductor (1) constitutes insulated wire cores; Constitute pair twist unit (3) by two said insulated wire cores; Skin in said pair twist unit (3) is provided with polyester belt (4), and the skin of said polyester belt (4) is provided with unit screen (6) and constitutes pair twist unit group (7); Constitute cable core (8) by a plurality of said pair twists unit group, set gradually interior belting layer (9), total screen (11), inner covering (12), armour (13) and external sheath layer (15) from inside to outside at the skin of said cable core (8);
Said insulating barrier (2) is to be material with vinyon or crosslinked polyethylene plastic; Said external sheath layer (15) is to be that material extrudes and forms with the fire retardant semi-conductive plastic;
Between said polyester belt (4) and unit screen (6), be provided with unit drainage thread (5); Between belting layer in said (9) and the total screen (11) total shielding drainage thread (10) is set.
2. intrinsic safe explosion-proof circuit according to claim 1 is characterized in that with collective and distributive type instrument signal cable said conductor (1) adopts seven stranded forming of tin annealed copper wire.
3. intrinsic safe explosion-proof circuit according to claim 1 is characterized in that with collective and distributive type instrument signal cable said unit screen (6) adopts the vertical bag of copper strips embossing technology.
4. intrinsic safe explosion-proof circuit according to claim 1 is characterized in that with collective and distributive type instrument signal cable each pair twist unit adopts different pitches in the said cable core (8).
5. intrinsic safe explosion-proof circuit according to claim 1 is characterized in that with collective and distributive type instrument signal cable said armour (13) adopts magnetic zinc-coated wire braiding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201153551U CN202473344U (en) | 2012-03-23 | 2012-03-23 | Diffuse-type instrument signal cable for intrinsic anti-explosion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201153551U CN202473344U (en) | 2012-03-23 | 2012-03-23 | Diffuse-type instrument signal cable for intrinsic anti-explosion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202473344U true CN202473344U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201153551U Expired - Fee Related CN202473344U (en) | 2012-03-23 | 2012-03-23 | Diffuse-type instrument signal cable for intrinsic anti-explosion circuit |
Country Status (1)
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| CN (1) | CN202473344U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943202A (en) * | 2014-02-28 | 2014-07-23 | 安徽幸福电器电缆有限公司 | Antistatic and ultrahigh-voltage silicone rubber cable |
| CN104867591A (en) * | 2014-02-21 | 2015-08-26 | 安徽华联电缆集团有限公司 | Ship control electric power drainage cable |
| CN107633917A (en) * | 2017-08-25 | 2018-01-26 | 安徽华能电缆集团有限公司 | A kind of anti-explosion computer and instrument cable |
| CN107633913A (en) * | 2017-08-25 | 2018-01-26 | 安徽华能电缆集团有限公司 | A kind of fire-proof and explosion-proof power cable |
| CN109192367A (en) * | 2018-09-28 | 2019-01-11 | 新宇电缆集团股份有限公司 | A kind of anti-tampering signal transmission capacity forceful electric power cable of radar communication |
-
2012
- 2012-03-23 CN CN2012201153551U patent/CN202473344U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867591A (en) * | 2014-02-21 | 2015-08-26 | 安徽华联电缆集团有限公司 | Ship control electric power drainage cable |
| CN103943202A (en) * | 2014-02-28 | 2014-07-23 | 安徽幸福电器电缆有限公司 | Antistatic and ultrahigh-voltage silicone rubber cable |
| CN107633917A (en) * | 2017-08-25 | 2018-01-26 | 安徽华能电缆集团有限公司 | A kind of anti-explosion computer and instrument cable |
| CN107633913A (en) * | 2017-08-25 | 2018-01-26 | 安徽华能电缆集团有限公司 | A kind of fire-proof and explosion-proof power cable |
| CN109192367A (en) * | 2018-09-28 | 2019-01-11 | 新宇电缆集团股份有限公司 | A kind of anti-tampering signal transmission capacity forceful electric power cable of radar communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191121 Address after: 238300 Wuhu City, Anhui Province, Wuwei County no town nests on the east side of the road (24) Patentee after: Anhui long union intelligent photoelectric Co., Ltd. Address before: 238300, Wuwei County City, Anhui province Wuhu City Industrial Zone Patentee before: ANHUI TIANLONG ELECTRIC CABLE GROUP CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20210323 |