CN202258449U - Direct-current 1500V halogen-free polyolefin flexible cable for track traffic - Google Patents
Direct-current 1500V halogen-free polyolefin flexible cable for track traffic Download PDFInfo
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- CN202258449U CN202258449U CN2011203806257U CN201120380625U CN202258449U CN 202258449 U CN202258449 U CN 202258449U CN 2011203806257 U CN2011203806257 U CN 2011203806257U CN 201120380625 U CN201120380625 U CN 201120380625U CN 202258449 U CN202258449 U CN 202258449U
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- Prior art keywords
- halogen
- flame
- free
- retardant
- cable
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- 229920000098 polyolefin Polymers 0.000 title claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 25
- 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 abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 9
- 230000000979 retarding effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- -1 waterproof Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920006124 polyolefin elastomer Polymers 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
Description
技术领域 technical field
本实用新型涉及一种电缆，具体是一种轨道交通用直流1500V电缆。The utility model relates to a cable, in particular to a DC 1500V cable for rail transit.
背景技术 Background technique
随着城市化进程的加快，我国城乡一体化将成为社会发展的必然趋势，大力发展城市轨道交通综合利用城市，带动整个区域的可持续发展具有十分重要的意义。With the acceleration of the urbanization process, the integration of urban and rural areas in my country will become an inevitable trend of social development. It is of great significance to vigorously develop urban rail transit comprehensive utilization cities and drive the sustainable development of the entire region.
轨道交通是铁路电气化的一个部分，其机车需用电力拖动，轨道交通供电系统中需要大量的直流、交流电力电缆，1500V直流牵引电缆是一个主要品种，轨道交通用直流电缆是敷设在人口密集的公共场所，并长期处于地下潮湿的特殊环境，因此所用电缆的安全性和可靠性是非常高，地铁设计部门明确规定该电缆必须满足无卤、低烟、阻燃、防水、耐油、耐候等性能要求，由于敷设空间狭小，电缆还需要柔软、弯曲半径小等，以满足特殊的使用要求。Rail transit is a part of railway electrification. Its locomotives need to be driven by electric power. The power supply system of rail transit requires a large number of DC and AC power cables. 1500V DC traction cables are a main variety. DC cables for rail transit are laid in densely populated areas. public places, and has been in a special environment of underground humidity for a long time, so the safety and reliability of the cables used are very high. The subway design department clearly stipulates that the cables must meet the requirements of halogen-free, low-smoke, flame-retardant, waterproof, oil-resistant, weather-resistant, etc. Performance requirements, due to the narrow laying space, the cable also needs to be flexible and have a small bending radius to meet special use requirements.
目前传统的电线电缆，护套采用传统的聚氯乙烯材料等，尚不能满足轨道交通地铁部门提出的上述要求，在实际使用过程中会带来安全隐患，一旦发生火灾将直接威胁着人民群众的人身安全和国家财产损失。故需要对上述传统电线电缆在轨道交通中应用时，带来的安全使用问题应及时进行解决。At present, the traditional wire and cable, the sheath is made of traditional polyvinyl chloride materials, etc., which cannot meet the above requirements put forward by the rail transit and subway departments, and will bring safety hazards in the actual use process. Once a fire breaks out, it will directly threaten the health of the people. Personal safety and loss of state property. Therefore, when the above-mentioned traditional wires and cables are used in rail transit, the safety problems caused by them should be solved in time.
实用新型内容 Utility model content
为了克服上述之不足，本实用新型目的在于提供一种阻燃能力强、低烟、无卤、无毒，安全可靠的轨道交通用直流1500V无卤聚烯烃软电缆。In order to overcome the above-mentioned deficiencies, the purpose of the utility model is to provide a safe and reliable DC 1500V halogen-free polyolefin flexible cable for rail transit with strong flame retardancy, low smoke, halogen-free, and non-toxic.
为了实现上述目的，本实用新型采用以下的技术方案：In order to achieve the above object, the utility model adopts the following technical solutions:
轨道交通用直流1500V无卤聚烯烃软电缆，由内到外是由线芯导体、绝缘层和外护套构成，线芯导体为软结构铜导体，其特特征在于：所述外护套是由交联型无卤低烟阻燃聚烯烃材料制成。The DC 1500V halogen-free polyolefin flexible cable for rail transit is composed of a core conductor, an insulating layer and an outer sheath from the inside to the outside. The core conductor is a soft structural copper conductor. Made of cross-linked halogen-free low-smoke flame-retardant polyolefin material.
所述绝缘层是由阻燃乙丙绝缘材料制成。The insulating layer is made of flame-retardant ethylene-propylene insulating material.
所述绝缘层的外围绕包有一层无卤阻燃带。The insulation layer is surrounded by a layer of halogen-free flame-retardant tape.
本实用新型的有益效果：由于外护套采用交联型无卤低烟阻燃聚烯烃护套，并且绝缘层采用阻燃乙丙绝缘材料进行绝缘，大大提高了电缆的阻燃能力，满足低烟、无卤、无毒等要求，使电缆更加安全可靠。Beneficial effects of the utility model: Since the outer sheath adopts a cross-linked halogen-free low-smoke flame-retardant polyolefin sheath, and the insulating layer is insulated with flame-retardant ethylene-propylene insulating material, the flame-retardant ability of the cable is greatly improved, and the low-smoke Smoke, halogen-free, non-toxic and other requirements, making the cable safer and more reliable.
附图说明 Description of drawings
下面结合附图对本实用新型作进一步的详细说明。Below in conjunction with accompanying drawing, the utility model is described in further detail.
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
图中：1、线芯导体；2、绝缘层；3、无卤阻燃带；4、外护套。In the figure: 1. Core conductor; 2. Insulation layer; 3. Halogen-free flame-retardant tape; 4. Outer sheath.
具体实施方式 Detailed ways
如图1所示，轨道交通用直流1500V无卤聚烯烃软电缆，由内到外是由线芯导体1、绝缘层2和外护套4构成，线芯导体为软结构铜导体，外护套是由交联型无卤低烟阻燃聚烯烃材料制成。绝缘层是由阻燃乙丙绝缘材料制成。绝缘层的外围绕包有一层无卤阻燃带3。As shown in Figure 1, the DC 1500V halogen-free polyolefin flexible cable for rail transit is composed of a core conductor 1, an insulating layer 2 and an outer sheath 4 from the inside to the outside. The core conductor is a soft structural copper conductor, and the outer sheath The cover is made of cross-linked halogen-free low-smoke flame-retardant polyolefin material. The insulating layer is made of flame retardant ethylene propylene insulating material. A layer of halogen-free flame-retardant tape 3 is wrapped around the insulation layer.
所述线芯导体符合GB/T3956-2008中规定的第5种镀锡软铜导体，所用镀锡铜芯符合GB/T4910-1985中规定的镀锡圆铜导线。导体20℃时的直流电阻符合GB/T3956-2008中规定要求，线芯经绞合柔软、弯曲性能优异。所述绝缘层采用电气性能优异、阻燃乙丙橡皮，耐温等级达90℃，绝缘标称厚度见表1。绝缘经受7200V4h的工频耐电压试验，绝缘老化前抗拉强度＞6.0N/mm2，氧指数＞28。所述阻燃带采用氧指数不小于50的低烟无卤阻燃带。The core conductor complies with the fifth tinned annealed copper conductor specified in GB/T3956-2008, and the tinned copper core used complies with the tinned round copper conductor specified in GB/T4910-1985. The DC resistance of the conductor at 20°C meets the requirements specified in GB/T3956-2008, and the wire core is soft after twisting and has excellent bending performance. The insulating layer is made of flame-retardant ethylene-propylene rubber with excellent electrical properties and a temperature resistance rating of 90°C. The nominal thickness of the insulation is shown in Table 1. The insulation withstands the power frequency withstand voltage test of 7200V4h, the tensile strength of the insulation before aging is >6.0N/mm 2 , and the oxygen index is >28. The flame-retardant tape adopts a low-smoke halogen-free flame-retardant tape with an oxygen index of not less than 50.
所述外护套为交联型的低烟、无卤阻燃聚烯烃弹性体护套料，护套标称厚度见表1。护套材料阻燃性能使成品电缆通过GB/T18380.33A类成束燃烧试验。护套材料燃烧时卤酸气体释出量Hcl含量不超过0.5％，氟含量不超过0.1％，PH值不小于4.3，电导率不超过10μs/mm，保证成品电缆在燃烧时烟密度试验透光率不小于60％，护套材料的耐低温性能可达-25℃。The outer sheath is a cross-linked low-smoke, halogen-free flame-retardant polyolefin elastomer sheath material, and the nominal thickness of the sheath is shown in Table 1. The flame retardant performance of the sheath material makes the finished cable pass the GB/T18380.33A bundled burning test. When the sheath material is burned, the Hcl content of halogen acid gas is not more than 0.5%, the fluorine content is not more than 0.1%, the pH value is not less than 4.3, and the electrical conductivity is not more than 10μs/mm, so as to ensure the light transmission of the finished cable in the smoke density test when it is burned The rate is not less than 60%, and the low temperature resistance of the sheath material can reach -25°C.
采用交联型低烟无卤聚烯烃弹性体护套解决热塑性无卤材料的护套开裂的问题，对护套耐候性能按GB14049标准规定的方法，模拟人工气候老化试验，在疝灯气候老化箱内对护套进行长达1008h的长期老化试验。同时电缆的耐弯曲性能优异，，弯曲半径可达6D。电缆不仅具有低烟、无卤、阻燃、低毒、耐油、耐候、防水、耐低温等性能，且电缆柔软、弯曲性能好，满足轨道交通设计部门对电缆提出的使用要求。The cross-linked low-smoke halogen-free polyolefin elastomer sheath is used to solve the problem of cracking of the sheath of thermoplastic halogen-free materials. The weather resistance of the sheath is according to the method specified in GB14049 standard, and the artificial weather aging test is simulated in the xenon lamp weather aging box. A long-term aging test of up to 1008h is carried out on the sheath. At the same time, the cable has excellent bending resistance, and the bending radius can reach 6D. The cable not only has low smoke, halogen-free, flame retardant, low toxicity, oil resistance, weather resistance, waterproof, low temperature resistance and other properties, but also the cable is soft and has good bending performance, which meets the requirements of the rail transit design department for cables.
表1 电缆结构尺寸和直流电阻Table 1 Cable structure size and DC resistance
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203806257U CN202258449U (en) | 2011-10-09 | 2011-10-09 | Direct-current 1500V halogen-free polyolefin flexible cable for track traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203806257U CN202258449U (en) | 2011-10-09 | 2011-10-09 | Direct-current 1500V halogen-free polyolefin flexible cable for track traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258449U true CN202258449U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203806257U Expired - Fee Related CN202258449U (en) | 2011-10-09 | 2011-10-09 | Direct-current 1500V halogen-free polyolefin flexible cable for track traffic |
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| Country | Link |
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| CN (1) | CN202258449U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169319A (en) * | 2016-08-29 | 2016-11-30 | 中铁电气化勘测设计研究院有限公司 | A kind of novel heavy in section EPR isolated dc service cable |
| CN107919184A (en) * | 2017-12-13 | 2018-04-17 | 江苏中利集团股份有限公司 | A kind of low-smoke zero-halogen fire-resistant flexible cable |
-
2011
- 2011-10-09 CN CN2011203806257U patent/CN202258449U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169319A (en) * | 2016-08-29 | 2016-11-30 | 中铁电气化勘测设计研究院有限公司 | A kind of novel heavy in section EPR isolated dc service cable |
| CN107919184A (en) * | 2017-12-13 | 2018-04-17 | 江苏中利集团股份有限公司 | A kind of low-smoke zero-halogen fire-resistant flexible cable |
| WO2019114208A1 (en) * | 2017-12-13 | 2019-06-20 | 江苏中利集团股份有限公司 | Low-smoke zero-halogen fire-resistant flexible power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120530 Termination date: 20191009 |