CN202549386U - Shielded twisted pair cable for electronic computer - Google Patents

Shielded twisted pair cable for electronic computer Download PDF

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Publication number
CN202549386U
CN202549386U CN2012201066290U CN201220106629U CN202549386U CN 202549386 U CN202549386 U CN 202549386U CN 2012201066290 U CN2012201066290 U CN 2012201066290U CN 201220106629 U CN201220106629 U CN 201220106629U CN 202549386 U CN202549386 U CN 202549386U
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layer
cable
sub
wrapped
cable core
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Expired - Fee Related
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CN2012201066290U
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唐前进
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NHUI CONSTANT CRYSTAL CABLE GROUP CO Ltd
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NHUI CONSTANT CRYSTAL CABLE GROUP CO Ltd
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract

本实用新型公开了一种电子计算机用对绞屏蔽电缆,包括三个导体组,三个导体组分别由两根包裹绝缘层的导体相互绞合构成,导体内分别设有抗拉芯,三个导体组外分别依次包裹有内绕包层、分屏蔽层,内绕包层与分屏蔽层之间设有接地线,包裹分屏蔽层的三个导体组相互绞合构成缆芯,缆芯外包裹有外绕包层、总屏蔽层,缆芯中心及缆芯与外绕包层之间设有填充物构成的填充层,填充层内设有抗拉钢丝,总屏蔽层外侧包裹有防水层、护套层。本实用新型的结构设计合理,采用内外包带层不同的绕包重叠率来提高电缆的耐火性能,电缆的整体结构强度性能得到有效地提升,此外护套层内侧设有防水层,防水性能良好,延长了电缆的使用寿命。

The utility model discloses a twisted shielded cable for an electronic computer, which comprises three conductor groups. The three conductor groups are respectively formed by twisting two conductors wrapped with an insulating layer. The conductors are respectively provided with tensile cores. The conductor group is respectively wrapped with an inner wrapping layer and a sub-shielding layer in turn, and a grounding wire is arranged between the inner wrapping layer and the sub-shielding layer, and the three conductor groups wrapped around the sub-shielding layer are twisted with each other to form a cable core. Wrapped with an outer wrapping layer and a total shielding layer, a filling layer composed of fillers is provided in the center of the cable core and between the cable core and the outer wrapping layer. Tensile steel wires are arranged in the filling layer, and a waterproof layer is wrapped outside the total shielding layer , Sheath layer. The structure design of the utility model is reasonable, and the fire-resistant performance of the cable is improved by adopting different wrapping ratios of the inner and outer wrapping layers, and the overall structural strength performance of the cable is effectively improved. In addition, a waterproof layer is provided on the inner side of the sheath layer, and the waterproof performance is good. , prolong the service life of the cable.

Description

一种电子计算机用对绞屏蔽电缆Twisted pair shielded cable for electronic computer

技术领域:Technical field:

本实用新型涉及计算机电缆领域,尤其涉及一种电子计算机用对绞屏蔽电缆。 The utility model relates to the field of computer cables, in particular to a pair-twisted shielded cable for an electronic computer.

背景技术:Background technique:

本实用新型适用于交流300/500V电力、冶金、石化等行业具有耐高低温、耐腐蚀以及对放油酸碱等特殊要求场合以电子计算机为主的自动控制,尤其适用于计算机集散控制系统、自动化控制系统作控制线以及检测用仪器仪表。 The utility model is suitable for AC 300/500V electric power, metallurgy, petrochemical and other industries with high and low temperature resistance, corrosion resistance, and special requirements for oil discharge, acid and alkali, etc. The automatic control is mainly based on electronic computers, especially suitable for computer distributed control systems, The automatic control system is used as the control line and the instrumentation for detection.

电缆的基本构造是绝缘线芯以两根绞合成对或三根绞合成组,屏蔽形式可对分屏蔽、总屏蔽、分屏蔽加总屏蔽等屏蔽形式,绕后外加护套等。但是先前的电缆的耐高温性能和抗拉强度以及防水性能等远远达不到实际工作过程中的要求。  The basic structure of the cable is that the insulated wire cores are twisted into a pair or three into a group. The shielding form can be split shielding, total shielding, separate shielding and total shielding, etc., and a sheath is added after winding. However, the high temperature resistance, tensile strength and waterproof performance of the previous cables are far from the requirements in the actual working process. the

实用新型内容:Utility model content:

为了弥补现有技术的不足,本实用新型的目的是提供一种电子计算机用对绞屏蔽电缆,结构设计合理,提高了电缆的绝缘性能和抗拉性能及防水性能。 In order to make up for the deficiencies of the prior art, the purpose of this utility model is to provide a pair-twisted shielded cable for electronic computers, which has a reasonable structure design and improves the insulation performance, tensile performance and waterproof performance of the cable.

本实用新型的技术方案如下:  The technical scheme of the utility model is as follows:

电子计算机用对绞屏蔽电缆,包括三个导体组,其特征在于:所述的三个导体组分别由两根包裹绝缘层的导体相互绞合构成,导体内分别设有抗拉芯,所述的三个导体组外分别依次包裹有内绕包层、分屏蔽层,内绕包层与分屏蔽层之间设有接地线,包裹分屏蔽层的三个导体组相互绞合构成缆芯,缆芯外包裹有外绕包层、总屏蔽层,缆芯中心及缆芯与外绕包层之间设有填充物构成的填充层,填充层内设有四根抗拉钢丝,三根抗拉钢丝其中一个位于缆芯中心,其余三根分别设在分屏蔽层与外绕包层之间,所述的总屏蔽层外侧包裹有护套层,护套层内壁设有防水层,防水层厚度不小于0.10mm。 The shielded twisted pair cable for electronic computer includes three conductor groups. The three conductor groups are respectively wrapped with an inner wrapping layer and a sub-shielding layer in turn, and a grounding wire is arranged between the inner wrapping layer and the sub-shielding layer, and the three conductor groups wrapped around the sub-shielding layer are twisted with each other to form a cable core. The cable core is wrapped with an outer wrapping layer and a total shielding layer. There is a filling layer composed of fillers in the center of the cable core and between the cable core and the outer wrapping layer. There are four tensile steel wires in the filling layer, and three tensile steel wires. One of the steel wires is located in the center of the cable core, and the other three are respectively arranged between the sub-shielding layer and the outer wrapping layer. The outer side of the overall shielding layer is wrapped with a sheath layer, and the inner wall of the sheath layer is provided with a waterproof layer. The thickness of the waterproof layer is different. Less than 0.10mm.

所述的电子计算机用对绞屏蔽电缆,其特征在于:所述的内绕包层、外绕包层采用聚酯薄膜或铝箔绕包构成,内绕包层的重叠率不小于45%,外绕包层的重叠率不小于55%。  The shielded twisted pair cable for electronic computer is characterized in that: the inner wrapping layer and the outer wrapping layer are made of polyester film or aluminum foil wrapping, the overlap rate of the inner wrapping layer is not less than 45%, and the outer wrapping layer is wrapped with polyester film or aluminum foil. The overlapping rate of the wrapping layer is not less than 55%. the

所述的电子计算机用对绞屏蔽电缆,其特征在于:所述的绝缘层、护套层采用材料为阻燃聚乙烯。  The twisted pair shielded cable for electronic computer is characterized in that the insulation layer and the sheath layer are made of flame-retardant polyethylene. the

本实用新型的优点是:  The utility model has the advantages of:

本实用新型的结构设计合理,采用内外包带层不同的绕包重叠率来提高电缆的耐火性能,四根抗拉钢丝与含有抗拉芯的导体相配合增强了电缆的抗拉强度,使得电缆的整体结构强度性能得到有效地提升,此外护套层内侧设有防水层,防水性能良好,延长了电缆的使用寿命。 The structure design of the utility model is reasonable, and the fire-resistant performance of the cable is improved by adopting different lapping ratios of the inner and outer wrapping layers. The overall structural strength performance of the cable has been effectively improved. In addition, there is a waterproof layer inside the sheath layer, which has good waterproof performance and prolongs the service life of the cable.

附图说明:Description of drawings:

图1为本实用新型的结构示意图。 Fig. 1 is the structural representation of the utility model.

具体实施方式:Detailed ways:

参见图1: See Figure 1:

电子计算机用对绞屏蔽电缆,包括三个导体组,三个导体组分别由两根包裹绝缘层2的导体1相互绞合构成,导体1内分别设有抗拉芯3,三个导体组外分别依次包裹有内绕包层4、分屏蔽层5,内绕包层4与分屏蔽层5之间设有接地线6,包裹分屏蔽层5的三个导体组相互绞合构成缆芯,缆芯外包裹有外绕包层7、总屏蔽层8,缆芯中心及缆芯与外绕包层7之间设有填充物构成的填充层9,填充层9内设有四根抗拉钢丝10,三根抗拉钢丝其中一个位于缆芯中心,其余三根分别设在分屏蔽层与外绕包层7之间,总屏蔽层8外侧包裹有护套层11,护套层11内壁设有防水层,防水层12厚度不小于0.10mm。 Twisted pair shielded cables for electronic computers, including three conductor groups. The three conductor groups are respectively formed by twisting two conductors 1 wrapped with an insulating layer 2. The conductors 1 are respectively equipped with tensile cores 3, and the outer conductors of the three conductor groups are The inner wrapping layer 4 and the sub-shielding layer 5 are respectively wrapped in turn, and the grounding wire 6 is arranged between the inner wrapping layer 4 and the sub-shielding layer 5, and the three conductor groups wrapped around the sub-shielding layer 5 are twisted with each other to form a cable core. The cable core is wrapped with an outer wrapping layer 7 and a total shielding layer 8. A filling layer 9 composed of fillers is provided in the center of the cable core and between the cable core and the outer wrapping layer 7. Inside the filling layer 9, there are four tensile Steel wire 10, one of the three tensile steel wires is located in the center of the cable core, and the other three are respectively arranged between the sub-shielding layer and the outer wrapping layer 7, the outer side of the total shielding layer 8 is wrapped with a sheath layer 11, and the inner wall of the sheath layer 11 is provided with Waterproof layer, the thickness of waterproof layer 12 is not less than 0.10mm.

内绕包层4、外绕包层7采用聚酯薄膜或铝箔绕包构成,内绕包层4的重叠率不小于45%,外绕包7层的重叠率不小于55%。  The inner wrapping layer 4 and the outer wrapping layer 7 are made of polyester film or aluminum foil wrapping, the overlapping rate of the inner wrapping layer 4 is not less than 45%, and the overlapping rate of the outer wrapping layer 7 is not less than 55%. the

绝缘层2、护套层11采用材料为阻燃聚乙烯。  The insulation layer 2 and the sheath layer 11 are made of flame retardant polyethylene. the

Claims (3)

1. an electronic computer is used the pair twist shielded type cable, comprises three conductor groups, it is characterized in that: described three conductor groups constitute by the conductor of two wrap insulate layers is stranded each other respectively; Be respectively equipped with tensile core in the conductor; Described three conductor groups are enclosed with interior lapping layer, sub-shield outward respectively successively, are provided with earth connection between interior lapping layer and the sub-shield, the mutual stranded formation cable core of three conductor groups of parcel sub-shield; Cable core is wrapped with outer lapping layer, total screen; Be provided with the packed layer that filler constitutes between cable core center and cable core and the outer lapping layer, be provided with four tension steel wires in the packed layer, one of them is positioned at the cable core center three tension steel wires; Its excess-three root is located at respectively between sub-shield and the outer lapping layer; Described total screen outside is enclosed with restrictive coating, and the restrictive coating inwall is provided with watertight composition, and waterproofing layer thickness is not less than 0.10mm.
2. electronic computer according to claim 1 is used the pair twist shielded type cable; It is characterized in that: lapping layer, outer lapping layer adopt polyester film or the wrapped formation of aluminium foil in described; The Duplication of interior lapping layer is not less than 45%, and the Duplication of outer lapping layer is not less than 55%.
3. electronic computer according to claim 1 is used the pair twist shielded type cable, it is characterized in that: it is flame-proof polyethylene that described insulating barrier, restrictive coating adopt material.
CN2012201066290U 2012-03-20 2012-03-20 Shielded twisted pair cable for electronic computer Expired - Fee Related CN202549386U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201066290U CN202549386U (en) 2012-03-20 2012-03-20 Shielded twisted pair cable for electronic computer

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Application Number Priority Date Filing Date Title
CN2012201066290U CN202549386U (en) 2012-03-20 2012-03-20 Shielded twisted pair cable for electronic computer

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103903752A (en) * 2014-03-04 2014-07-02 安徽华泰电缆科技有限公司 Insulation shielding cable with drainage wires
CN103915186A (en) * 2014-03-13 2014-07-09 安徽猎塔电缆集团有限公司 Water-resisting, inflaming-retarding and halogen-free computer shield cable
CN105845228A (en) * 2016-05-05 2016-08-10 安徽南洋电缆有限公司 High-temperature-resistant computer shielding cable
CN112216424A (en) * 2020-10-12 2021-01-12 安徽蒙特尔电缆集团有限公司 Low-capacitance longitudinal differential protection control cable for subway
CN115312256A (en) * 2022-09-19 2022-11-08 安徽徽宁电器仪表集团有限公司 An elastic anti-extrusion power cable

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103903752A (en) * 2014-03-04 2014-07-02 安徽华泰电缆科技有限公司 Insulation shielding cable with drainage wires
CN103915186A (en) * 2014-03-13 2014-07-09 安徽猎塔电缆集团有限公司 Water-resisting, inflaming-retarding and halogen-free computer shield cable
CN105845228A (en) * 2016-05-05 2016-08-10 安徽南洋电缆有限公司 High-temperature-resistant computer shielding cable
CN112216424A (en) * 2020-10-12 2021-01-12 安徽蒙特尔电缆集团有限公司 Low-capacitance longitudinal differential protection control cable for subway
CN115312256A (en) * 2022-09-19 2022-11-08 安徽徽宁电器仪表集团有限公司 An elastic anti-extrusion power cable
CN115312256B (en) * 2022-09-19 2025-05-06 安徽徽宁电器仪表集团有限公司 A kind of elastic anti-extrusion power cable

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121121

Termination date: 20140320