CN202473310U - Environment-friendly type intrinsic safe compensation cable for high temperature resistant cold resistant oil resistant temperature measurement system - Google Patents

Environment-friendly type intrinsic safe compensation cable for high temperature resistant cold resistant oil resistant temperature measurement system Download PDF

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Publication number
CN202473310U
CN202473310U CN2012200099028U CN201220009902U CN202473310U CN 202473310 U CN202473310 U CN 202473310U CN 2012200099028 U CN2012200099028 U CN 2012200099028U CN 201220009902 U CN201220009902 U CN 201220009902U CN 202473310 U CN202473310 U CN 202473310U
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CN
China
Prior art keywords
layer
cable
resistant
friendly type
high temperature
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Expired - Fee Related
Application number
CN2012200099028U
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Chinese (zh)
Inventor
汤传盛
刘玉明
常峻
黄军
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Anhui Wuzhou Special Cable Group Co Ltd
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Anhui Wuzhou Special Cable Group Co Ltd
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Priority to CN2012200099028U priority Critical patent/CN202473310U/en
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Publication of CN202473310U publication Critical patent/CN202473310U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an environment-friendly type intrinsic safe compensation cable for a high temperature resistant cold resistant oil resistant temperature measurement system, comprising a plurality of pair-twisting groups, wherein each pair-twisting group twisted by two conductors respectively wrapped by an insulating layer, between the conductors and the insulating layer there is provided a layer of polyester belt in a manner of lapping to form a protection layer, the plurality of pair-twisting groups are respectively lapped by an inner wrapping belt layer formed by a polyester belt and a branch shielding layer formed by an embossing longitudinal wrapping belt, between the inner wrapping belt layer and the branch shielding layer there is provided an inner drainage wire, the plurality of pair twisting groups wrapped by the insulating layer are longitudinally arranged to form a cable core, the cable core is orderly wrapped by an outer wrapping belt layer, and a master shielding layer formed by a longitudinal wrapping embossing copper belt, between the outer wrapping belt layer and the master shielding layer there is provided an outer drainage wire, the cross section of the outer drainage wire is crescent, and outside the master shielding layer there is provided an outer sheath layer in a manner of extrusion molding. The environment-friendly type intrinsic safe compensation cable has an excellent bending performance, the protection layer can reduce the influence on the mechanical performance of the insulating layer, caused by the surface of the conductors in the process of production, and the cable has characteristics of retarding flame and being suitable to special severe environment such as climate change.

Description

A kind of high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable
Technical field
The utility model relates to the electric wire field, relates in particular to a kind of high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable.
Background technology
Along with the industrial automation level improves constantly, the continuous development of instrument and meter, to the temp measuring system of instrument and meter have higher requirement, temperature measuring device instrument environment of living in is comparatively abominable, these performance index to compensating cable propose requirements at the higher level.Characteristics such as such cable need have in use that softness, bending radius are little, high temperature resistant, cold-resistant, oil resistant, essential safety and environmental protection.But, also do not have at present a kind ofly can better satisfy the corresponding requirements cable.
The utility model is employed in the protective layer that wrapped one deck polyester belt constitutes between conductor and the insulating barrier of cable, can effectively reduce because of the influence of conductive surface in the production process to the insulating barrier mechanical performance, thereby reduce product manufacturing loss, effect such as boost productivity; Outside the cable unit group, adopt simultaneously copper strips embossing vertical bag screen and the soft drainage thread of Duo Gen copper wire, compare with copper wire braiding type shielding, shield effectiveness is good; Compare with the directly vertical bag of copper strips; It is good to have flexibility; Cable insulation, sheath adopt high-low temperature resistant modification perfluoroethylene-propylene material and the cold-resistant material of tension silk modified silicon rubber; Can realize that product is soft, bending radius is little, high temperature resistant, cold-resistant, combination properties such as oil resistant, essential safety and environmental protection, effectively solved above-mentioned technical problem.
The utility model content
To the prior art problem; The purpose of the utility model provides a kind of high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable; Be applicable to and connect thermocouple and measurement mechanism; With the error that the variations in temperature that compensates they and thermocouple junction produces, have in the use that softness, bending radius are little, high temperature resistant, cold-resistant, comprehensive characteristics such as oil resistant, essential safety and environmental protection.
The technical scheme of the utility model is following:
High temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable; Comprise several pair twist groups; It is characterized in that: described several pair twist groups adopt the conductor pair twist of two wrap insulate layers to constitute, and wrapped one deck polyester belt constitutes protective layer between conductor and the insulating barrier, and the vertical copper-clad band of interior belting layer, embossing that several pair twist groups are surrounded with the polyester belt formation outward respectively constitutes sub-shield; Be respectively equipped with interior drainage thread between interior belting layer and the sub-shield; The vertical formation cable core of putting of several pair twist groups of parcel sub-shield, cable core are enclosed with total screen of outer belting layer, vertical bag embossing copper strips formation outward successively, are provided with the external drainage line between described outer belting layer and the total screen; The cross section of external drainage line is a crescent, and the outer extrusion moulding of described total screen has the external sheath layer of modification tension silk silastic material.
Described high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable, it is characterized in that: described conductor is that multiply alloy skein silk closes formation, and the stranded lay ratio of conductor is 13 ~ 21, and the single wire fracture percentage elongation is not less than 18%.
Described high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable, it is characterized in that: described several pair twist group quantity are 1 ~ 50.
Compared with present technology, the utility model beneficial effect is embodied in:
1. conductor adopts the alloy skein silk to close structure in the utility model, has improved the bending property of cable greatly, and bending radius is littler, and cable is more soft, is adapted at small space and lays;
2. conductor is outer in the utility model adopts wrapped polyester band can reduce because of the influence of conductive surface in the production process to the insulating barrier mechanical performance, thereby reduces product manufacturing loss, effect such as boost productivity;
3. the pair twist group adopts copper strips embossing vertical bag screen and the soft drainage thread of Duo Gen copper wire outward in the utility model, compares with copper wire braiding type shielding, and shield effectiveness is good; Compare with the directly vertical bag of copper strips, it is good to have flexibility;
4. the utility model is through adopting the pair twist group twisting pitch in the same cable core different the setting; Can reduce the influence of cross-talk to the cable transmission signal; Guaranteed the stability of cable signal transmission; Reduce the electromagnetic coupled between cable pair simultaneously, realize transmission performances such as cable high transfer rate, low transmission impedance, low decay;
Sub-shield be for the line realizing reducing cable to an electromagnetic interference, total shielding is surrounding environment is produced electromagnetic interference or surrounding environment cable is produced to disturb in order to realize reducing cable.The utility model has adopted copper strips embossing pack arrangement, has improved the cable flexibility on the one hand, and is better than copper wire braid shielded effect on the other hand
6. insulating barrier has adopted the modification perfluoroethylene-propylene material of high electrical property and high-mechanical property; This material has that dielectric coefficient is stable, specific insulation is high, heat resistance is high, chemical-resistant stability, and have fire-retardant,, environmental protection function, and can satisfy the characteristics of using in the humid area;
7. the modification tension that external sheath layer adopts in the utility model is torn silastic material, is environmental protection, safety, recyclable reusable new material, have heat-resisting, cold-resistant, anti-corona and anti-electric arc, anti-ozone always, light aging and atmospheric aging, watertightness performance.The characteristic that adapts to special adverse circumstances such as fire-retardant and climate change.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Referring to Fig. 1:
High temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable; Comprise several pair twist groups; Several pair twist groups adopt conductor 1 pair twist of two wrap insulate layers 2 to constitute, and wrapped one deck polyester belt constitutes protective layer 3 between conductor 1 and the insulating barrier 2, and the vertical copper-clad band of interior belting layer 4, embossing that several pair twist groups are surrounded with the polyester belt formation outward respectively constitutes sub-shield 5; Drainage thread 6 in being respectively equipped with between interior belting layer 4 and the sub-shield 5; The vertical formation cable core of putting of several pair twist groups of parcel sub-shield 5, cable core are enclosed with total screen 8 that outer belting layer 7, vertical bag embossing copper strips constitute outward successively, outer belting layer 7 and always be provided with external drainage line 9 between the screen 8; The cross section of external drainage line 9 is a crescent, and total screen 8 outer extrusion moulding have the external sheath layer 10 of modification tension silk silastic material.
Conductor 1 closes formation for multiply alloy skein silk, and the stranded lay ratio of conductor 1 is 13 ~ 21, and the single wire fracture percentage elongation is not less than 18%.
Several pair twist group quantity are 1 ~ 50.

Claims (3)

1. high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable; Comprise several pair twist groups; It is characterized in that: described several pair twist groups adopt the conductor pair twist of two wrap insulate layers to constitute, and wrapped one deck polyester belt constitutes protective layer between conductor and the insulating barrier, and the vertical copper-clad band of interior belting layer, embossing that several pair twist groups are surrounded with the polyester belt formation outward respectively constitutes sub-shield; Be respectively equipped with interior drainage thread between interior belting layer and the sub-shield; The vertical formation cable core of putting of several pair twist groups of parcel sub-shield, cable core are enclosed with total screen of outer belting layer, vertical bag embossing copper strips formation outward successively, are provided with the external drainage line between described outer belting layer and the total screen; The cross section of external drainage line is a crescent, and the outer extrusion moulding of described total screen has the external sheath layer of modification tension silk silastic material.
2. high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable according to claim 1, it is characterized in that: described conductor is that multiply alloy skein silk closes formation, and the stranded lay ratio of conductor is 13 ~ 21, and the single wire fracture percentage elongation is not less than 18%.
3. high temperature resistant Cold-proof oilproof temp measuring system environment-friendly type intrinsic safety compensating cable according to claim 1, it is characterized in that: described several pair twist group quantity are 1 ~ 50.
CN2012200099028U 2012-01-11 2012-01-11 Environment-friendly type intrinsic safe compensation cable for high temperature resistant cold resistant oil resistant temperature measurement system Expired - Fee Related CN202473310U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200099028U CN202473310U (en) 2012-01-11 2012-01-11 Environment-friendly type intrinsic safe compensation cable for high temperature resistant cold resistant oil resistant temperature measurement system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200099028U CN202473310U (en) 2012-01-11 2012-01-11 Environment-friendly type intrinsic safe compensation cable for high temperature resistant cold resistant oil resistant temperature measurement system

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CN202473310U true CN202473310U (en) 2012-10-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871584A (en) * 2014-02-24 2014-06-18 安徽华海特种电缆集团有限公司 Low-smoke halogen-free K3-grade compensation cable for 1E type nuclear power station
CN106876009A (en) * 2017-02-22 2017-06-20 江苏通鼎光电科技有限公司 A kind of Aviation cable
CN112071498A (en) * 2020-09-01 2020-12-11 扬州亚光电缆有限公司 Low-loss high-frequency phase-stable coaxial cable and manufacturing method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871584A (en) * 2014-02-24 2014-06-18 安徽华海特种电缆集团有限公司 Low-smoke halogen-free K3-grade compensation cable for 1E type nuclear power station
CN103871584B (en) * 2014-02-24 2016-04-27 安徽华海特种电缆集团有限公司 A kind of low smoke and zero halogen 1E type used in nuclear power station K3 level compensating cable
CN106876009A (en) * 2017-02-22 2017-06-20 江苏通鼎光电科技有限公司 A kind of Aviation cable
CN112071498A (en) * 2020-09-01 2020-12-11 扬州亚光电缆有限公司 Low-loss high-frequency phase-stable coaxial cable and manufacturing method thereof
CN112071498B (en) * 2020-09-01 2021-02-26 扬州亚光电缆有限公司 Low-loss high-frequency phase-stable coaxial cable and manufacturing method thereof

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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: 20121003

Termination date: 20160111