CN202434257U - Capacity-increased energy-saving flexible cable for power station - Google Patents
Capacity-increased energy-saving flexible cable for power station Download PDFInfo
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- CN202434257U CN202434257U CN2011205158884U CN201120515888U CN202434257U CN 202434257 U CN202434257 U CN 202434257U CN 2011205158884 U CN2011205158884 U CN 2011205158884U CN 201120515888 U CN201120515888 U CN 201120515888U CN 202434257 U CN202434257 U CN 202434257U
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- 239000004020 conductor Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 11
- 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 claims description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 4
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229920002681 hypalon Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 4
- 238000000576 coating method Methods 0.000 claims 4
- 230000004888 barrier function Effects 0.000 claims 2
- 238000009422 external insulation Methods 0.000 claims 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000000126 substance Substances 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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
本实用新型提供了一种电站用增容节能软电缆，其导体外依次包裹有导体屏蔽层、绝缘层、绝缘屏蔽层、铜带铠装层、外绝缘层、耐火层及护套层。本实用新型具有节能、抗拉、耐火、耐气候性及较好的弯曲半径等特性，特别适合作为电站机组的主干线路电缆。
The utility model provides a capacity-increasing and energy-saving flexible cable for a power station. The outer conductor of the cable is sequentially wrapped with a conductor shielding layer, an insulating layer, an insulating shielding layer, a copper tape armoring layer, an outer insulating layer, a refractory layer and a sheath layer. The utility model has the characteristics of energy saving, tensile resistance, fire resistance, weather resistance and better bending radius, and is especially suitable as the main line cable of the power station unit.
Description
技术领域 technical field
本实用新型涉及一种电缆，具体涉及一种电站用增容节能软电缆。 The utility model relates to a cable, in particular to a capacity-increasing and energy-saving flexible cable for a power station. the
背景技术 Background technique
电站机组用软电缆一般采用三芯结构，敷设安装一次性完成，但是电缆散热差、缆芯间热阻大，电缆在传导电能的时候导体电阻变大，电能损耗大量增加；截面400平方毫米及以上的电缆，在生产环节中废品率相当高，在国内绝大部分电缆厂不具备此截面的生产能力。如果选用常规的单芯结构，其散热好，相对同截面三芯结构其导体载流量提高了30％，但是电缆敷设工作量大，容易造成三相负载不均衡。结合三芯电缆和单芯电缆的优缺点，一种生产工艺简单、施工安装方便、散热优异、弯曲半径大的电缆不但能够节省贵金属的用量，还能在电缆生产过程中减少各项浪费。 Flexible cables for power station units generally adopt a three-core structure, and the laying and installation is completed at one time. However, the heat dissipation of the cable is poor and the thermal resistance between the cable cores is large. When the cable conducts electric energy, the conductor resistance becomes larger and the power loss increases greatly; The above cables have a high scrap rate in the production process, and most domestic cable factories do not have the production capacity of this section. If the conventional single-core structure is used, it can dissipate heat well, and its conductor carrying capacity is increased by 30% compared with the three-core structure with the same cross section. Combining the advantages and disadvantages of three-core cables and single-core cables, a cable with simple production process, convenient construction and installation, excellent heat dissipation, and large bending radius can not only save the amount of precious metals, but also reduce various wastes in the cable production process. the
实用新型内容 Utility model content
本实用新型的目的是提供具有优异的散热、环保、节能、弯曲半径大、敷设简便的电站用增容节能软电缆。 The purpose of the utility model is to provide a capacity-increasing and energy-saving flexible cable for power stations with excellent heat dissipation, environmental protection, energy saving, large bending radius and easy laying. the
为实现上述目的，本实用新型技术方案如下： In order to achieve the above object, the technical solution of the utility model is as follows:
本实用新型提供了一种电站用增容节能软电缆，包括其导体外依次包裹有导体屏蔽层、绝缘层、绝缘屏蔽层、铜带铠装层、外绝缘层、耐火层及护套层。 The utility model provides a capacity-increasing and energy-saving flexible cable for a power station, which comprises a conductor shielding layer, an insulating layer, an insulating shielding layer, a copper tape armoring layer, an outer insulating layer, a refractory layer and a sheath layer wrapped in sequence outside a conductor. the
所述导体采用多股镀锡铜丝复绞而成，大大的增加了电缆的防腐蚀性、 柔软性、抗拉性及电场均匀性。 The conductor is made of multi-strand tinned copper wires, which greatly increases the corrosion resistance, flexibility, tensile resistance and electric field uniformity of the cable. the
所述绝缘层采用乙丙橡胶挤制，具有较高的绝缘性能及优异的防水性能。 The insulating layer is extruded from ethylene-propylene rubber, which has high insulating performance and excellent waterproof performance. the
所述导体屏蔽层和绝缘屏蔽层由半导电胶挤制，可起到均匀电场、提高电缆耐高电压性能。 The conductor shielding layer and the insulating shielding layer are extruded by semi-conductive rubber, which can uniform the electric field and improve the high-voltage resistance performance of the cable. the
所述铜带铠装层采用S型双扣铠装结构，使电缆具有优异的承压力，也可承受较强的斜拉力，施工安装十分方便；铜带铠装层与绝缘屏蔽层之间形成中空的螺旋通道，有利于单芯电缆的散热，减少电能损耗，亦可起到均匀电场，用于接地保护，在不可抗拒的突发事件中可避免人员伤亡。 The copper tape armor layer adopts S-shaped double-buckle armor structure, so that the cable has excellent bearing pressure, and can also withstand strong oblique tension. The construction and installation are very convenient; the copper tape armor layer and the insulating shielding layer form a The hollow spiral channel is conducive to the heat dissipation of single-core cables, reducing power loss, and can also play a uniform electric field for grounding protection, which can avoid casualties in irresistible emergencies. the
所述外绝缘层采用聚酰亚胺带叠包而成，是各类绝缘材料中综合性能最佳的有机高分子材料之一，耐高温达400℃以上，长期使用温度范围-200～300℃，无明显熔点，高绝缘性能，103赫下介电常数4.0，介电损耗仅0.004～0.007，属F至H级绝缘材料。 The outer insulating layer is made of polyimide tape, which is one of the organic polymer materials with the best comprehensive performance among all kinds of insulating materials. , no obvious melting point, high insulation performance, dielectric constant 4.0 at 103 Hz, dielectric loss only 0.004~0.007, belonging to F to H class insulating materials. the
所述耐火层采用双层合成云母带绕包，其抗拉强度好，防火性极高。 The refractory layer is wrapped with double-layer synthetic mica tape, which has good tensile strength and high fire resistance. the
所述护套层采用氯磺化聚乙烯，其优异的耐臭氧性、耐大气老化性、耐化学腐蚀性等，较好的物理机械性能、耐老化性能、耐热及耐低温性、耐油性、耐燃性、耐磨性、及耐电绝缘性。 The sheath layer is made of chlorosulfonated polyethylene, which has excellent ozone resistance, atmospheric aging resistance, chemical corrosion resistance, etc., good physical and mechanical properties, aging resistance, heat resistance and low temperature resistance, and oil resistance. , Flame resistance, wear resistance, and electrical insulation resistance. the
本实用新型的优点在于： The utility model has the advantages of:
1、导体采用多股镀锡铜丝复绞而成，大大的增加了电缆的防腐蚀性、柔软性、抗拉性及电场均匀性。 1. The conductor is made of multi-strand tinned copper wires, which greatly increases the corrosion resistance, flexibility, tensile resistance and electric field uniformity of the cable. the
2、绝缘层采用乙丙橡胶挤制，具有较高的绝缘性能及优异的防水性能。 2. The insulation layer is made of ethylene-propylene rubber, which has high insulation performance and excellent waterproof performance. the
3、主线芯导体屏蔽层和主线芯绝缘屏蔽层由半导电胶挤制，可起到均 匀电场、提高电缆耐高电压性能。 3. The shielding layer of the main core conductor and the insulation shielding layer of the main core are extruded by semi-conductive rubber, which can uniform the electric field and improve the high voltage resistance performance of the cable. the
4、铜带铠装层采用S型双扣铠装结构，使电缆具有优异的承压力，也可承受较强的斜拉力，施工安装十分方便；铜带铠装层与绝缘屏蔽层之间形成中空的螺旋通道，有利于单芯电缆的散热，减少电能损耗，亦可起到均匀电场，用于接地保护，在不可抗拒的突发事件中可避免人员伤亡。 4. The copper tape armor layer adopts S-shaped double-buckle armor structure, so that the cable has excellent bearing pressure, and can also withstand strong oblique tension. The construction and installation are very convenient; the copper tape armor layer and the insulating shielding layer form a The hollow spiral channel is conducive to the heat dissipation of single-core cables, reducing power loss, and can also play a uniform electric field for grounding protection, which can avoid casualties in irresistible emergencies. the
5、耐火层采用双层合成云母带绕包，其抗拉强度好，防火性极高。 5. The refractory layer is wrapped with double-layer synthetic mica tape, which has good tensile strength and high fire resistance. the
6、外绝缘层采用聚酰亚胺带叠包而成，是各类绝缘材料中综合性能最佳的有机高分子材料之一，耐高温达400℃以上，长期使用温度范围-200～300℃，无明显熔点，高绝缘性能，103赫下介电常数4.0，介电损耗仅0.004～0.007，属F至H级绝缘材料。 6. The outer insulating layer is made of polyimide tape, which is one of the organic polymer materials with the best comprehensive performance among all kinds of insulating materials. , no obvious melting point, high insulation performance, dielectric constant 4.0 at 103 Hz, dielectric loss only 0.004~0.007, belonging to F to H class insulating materials. the
附图说明 Description of drawings
图1：本实用新型横截面示意图 Figure 1: Schematic diagram of cross section of the utility model
1、导体；2、导体屏蔽层；3、绝缘层；4、绝缘屏蔽层；5、铜带铠装层；6、外绝缘层；7、耐火层；8、护套层 1. Conductor; 2. Conductor shielding layer; 3. Insulation layer; 4. Insulation shielding layer; 5. Copper tape armor layer; 6. Outer insulation layer; 7. Refractory layer; 8. Sheath layer
具体实施方式 Detailed ways
以下为本实用新型的优选实施例，本实用新型可以按说明书所述内容推选任一种方法实施。 The following are preferred embodiments of the present utility model, and the present utility model can be implemented by selecting any method according to the content described in the description. the
下面结合附图来具体说明： The following will be explained in detail in conjunction with the accompanying drawings:
见附图1，电站用增容节能软电缆包括：导体(1)、导体屏蔽层(2)、绝缘层(3)、绝缘屏蔽层(4)、铜带铠装层(5)、外绝缘层(6)、阻燃层(7)、护套层(8)。 See accompanying drawing 1, the capacity-increasing and energy-saving flexible cable for power stations includes: conductor (1), conductor shielding layer (2), insulating layer (3), insulating shielding layer (4), copper tape armoring layer (5), outer insulation layer (6), flame retardant layer (7), sheath layer (8). the
导体(1)由多股镀锡铜丝复绞而成；导体屏蔽层(2)、绝缘屏蔽层(4)由半导电胶挤制；绝缘层(3)材料为乙丙橡胶；铜带铠装层(5)采用S型双扣铠装结构；外绝缘层(6)采用聚酰亚胺带多层叠包而成；耐火层(7)采用双层合成云母带绕包而成；护套层(8)采用氯磺化聚乙烯挤制。 The conductor (1) is made of multiple strands of tinned copper wire; the conductor shielding layer (2) and the insulating shielding layer (4) are extruded from semi-conductive rubber; the material of the insulating layer (3) is ethylene-propylene rubber; copper tape armor The armor layer (5) adopts S-shaped double-button armor structure; the outer insulating layer (6) is made of multi-layered polyimide tapes; the refractory layer (7) is made of double-layer synthetic mica tapes; the sheath Layer (8) is extruded from chlorosulfonated polyethylene. the
本实用新型提供了一种增容节能阻燃电力电缆的设计思路，具体实现该技术方案的方法和途径很多，以上所述仅是本实用新型的优选实施方法，还可以做出若干改进和润饰，这些改进和润饰也应该为本实用新型的保护范围。本实施例中未明确的各组成部分均可用现有技术加以实现。 The utility model provides a design idea of a capacity-increasing, energy-saving, flame-retardant power cable. There are many methods and approaches for realizing the technical solution. The above is only the preferred implementation method of the utility model, and some improvements and modifications can also be made , These improvements and modifications should also be within the protection scope of the present utility model. All components that are not specified in this embodiment can be realized by existing technologies. the
Claims (8)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165239A (en) * | 2011-12-12 | 2013-06-19 | 上海上力电线电缆有限公司 | Capacity-increasing and energy-saving flexible cable used in power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165239A (en) * | 2011-12-12 | 2013-06-19 | 上海上力电线电缆有限公司 | Capacity-increasing and energy-saving flexible cable used in power station |
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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: 20120912 Termination date: 20151212 |
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| EXPY | Termination of patent right or utility model |