CN202549386U - Shielded twisted pair cable for electronic computer - Google Patents
Shielded twisted pair cable for electronic computer Download PDFInfo
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- 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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- 239000004020 conductor Substances 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 4
- 229920006267 polyester film Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 3
- 238000000576 coating method Methods 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000005030 aluminium foil Substances 0.000 claims 1
- 230000004888 barrier function Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 230000009970 fire resistant effect Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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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
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
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
绝缘层2、护套层11采用材料为阻燃聚乙烯。
The
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012201066290U CN202549386U (en) | 2012-03-20 | 2012-03-20 | Shielded twisted pair cable for electronic computer |
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CN2012201066290U CN202549386U (en) | 2012-03-20 | 2012-03-20 | Shielded twisted pair cable for electronic computer |
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CN202549386U true CN202549386U (en) | 2012-11-21 |
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CN2012201066290U Expired - Fee Related CN202549386U (en) | 2012-03-20 | 2012-03-20 | Shielded twisted pair cable for electronic computer |
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Cited By (5)
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 |
-
2012
- 2012-03-20 CN CN2012201066290U patent/CN202549386U/en not_active Expired - Fee Related
Cited By (6)
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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C14 | Grant of patent or utility model | ||
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20140320 |