铁路信号电缆说明.doc

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1、-*铁路信号电缆说明 1、电缆用途 本产品适用于额定电压交流750V或直流1100V铁路信号系统轨道电路、列控自动装置和超速防护系统地面设备、计轴、车站电码化、微机联锁、计算机监测、调度集中、调度监督、大功率电动转辙机等有关信号控制装置和设备之间传输控制信息，监测信息和电能，可做为DMIS底层系统数字信息和业务电话的传输通道。当用于ZPW2000、UM71无绝缘轨道电路自动闭塞时，传输距离可达10km。其中内屏蔽铁路数字信号电缆，对传输四线组进行了单独屏蔽（分A型、B型，结构及电缆组序排列见示意图），因而提高了电缆近端串音衰减，有效解决了在同根电缆内传输相同频率的铁路信号信息时，各传输线组之间

2、的干扰防卫问题。达到信号系统及设备之间，同缆同数量级电平的同频信息及最高2Mbit/s数字信息传输。同时可在铁路电气化和非电气化区段使用。本电缆除基本型外还有阻燃型、防白蚁型、耐寒型、高屏蔽型等用于特殊环境的产品。在电缆制造工艺方面，电缆主要原材料选用与IEC国际标准规定基本一致。绝缘导电线芯采用具有国际先进水平的皮-泡-皮物理发泡三层共挤技术。2、电缆使用特性 2.1 电缆导体长期工作温度不超过70； Use of the cable The product is suitable for signal system track circuit for railway with rated

3、voltage AC 750V or DC 1100V, train controlling automatic equipment and ground equipment of super-speed guarding system, axle counting system, station code, microcomputer interlocking, microcomputer monitoring system, and transmitting controlling information, monitoring information or power between s

4、ignal equipment and control equipment such as some high-power electro-motive switch. The cable can be served as communication channel for DMIS skeleton information, business telephone or local communication.The cable is suitable for ZPW-2000 and UM71 non-insulated rail circuit automatic blocking sys

5、tem, can meet the requirement of 10km transmission. Inner screen digital signal cable for railway, make separated shielding for transmit quad group (divided into A and B type, see the cable groups arrange the sketch map in structure), so increased near-end cross-talk attenuation of cable, effectivel

6、y solved interference and defend problem in transmit line groups while transmit the railway signal information of the same frequency with the one cable. It has the transmit ability of same frequency of same level in one cable and transmit up to 2Mbit/s digital information between signal system and e

7、quipment. It can be used in section with electrifiedThere are flame-retardant, anti-termite, cold-resistant and high screening types cables for special environmentIn manufacturing processing of the cable, the exertion of cable main material stipulates with international standards, such as IEC. Insul

8、ating core adopt with international state-of the arts physical foamed skin-foam-skin 3-layer coating co-extruded technology.Operating characteristicsThe long-term working temperature of conductor is not more than 70； 2.2电缆使用环境温度为-4060；2.3电缆敷设时的环境温度应不低于-10；2.4敷设时的弯曲半径：塑料护套、综合护套、铝护套铁路数字信号电缆非铠装电缆应不小于电缆

9、外径的10倍；铠装电缆应不小于电缆外径的15倍；内屏蔽铁路数字信号电缆应不小于电缆外径的20倍； 2.5电缆机械强度高、防腐蚀、耐寒性能好，抗冲击力强；2.6电缆屏蔽线组具有良好的屏蔽性能，可提高线组间的抗干扰能力。3. 电缆施工要求 3.1电缆选用原则和敷设防护，建议参考TB 10007-99铁路信号设计规范、TB 10206-99铁路信号施工规范；3.2 内屏蔽铁路数字信号电缆敷设防护，建议参考中国铁路通信信号集团公司信号施工工艺研究所规定的铁路内屏蔽数字信号电缆施工工艺。 The cable can work at the environment temperature -40 to +

10、60；During installation, the environment temperature is not less 10 ;The bending radius during installation: For non-armored digital signal cable for railway with plastic sheath, composite sheath and Al sheath, the bending radius is not less than 10 times of outer diameter of cable; For armored cable

11、, the bending radius is not less than 15 times of its outer diameter; For railway inner digital signal cable, the bending radius is not less than 20 times of its outer diameter.The cable has property of strong mechanical strength, anti-corrosion, cold-resistant and anti-impulse.It has good screen pe

12、rformance between screen groups of cable, so the performance of anti-interference will be proved.Cable construction requiringThe choosing principle and laying guard of the cable, please refer to TB 10007-99 “Designing Specification of Railway Signal Cable” and TB 10206-99 “Construction Specification

13、 of Railway Signal Cable”.The laying guard of railway inner screen digital signal cable, please refer to “Construction Craft of Railway Inner Screen Digital Signal Cable” which stipulated by The Signal Construction Craft Research Institute of China Railway Communication & Signal Company. -2-4、电缆型号、名

14、称及敷设范围 Type, Name and Range of application4.1基本型的电缆型号、名称及适用范围 Type, name and range application for ordinary cable 型 号Type 名 称Name 适 用 范 围Range of application SPTYW03 铜芯皮泡皮物理发泡聚烯烃绝缘聚乙烯外护套铁路数字信号电缆Digital signal cable for railway with copper core, skin-foam-skin physical foamed polyolefin insulation an

15、d PE outer sheath 适用于非电气化铁路。敷设在室内电缆架或室外电缆槽、管中。The cable is applicable for non-electrified railway and suitable for being laid cable support indoors or cable trough, duct outdoors. SPTYW23 铜芯皮泡皮物理发泡聚烯烃绝缘双钢带铠装聚乙烯外护套铁路数字信号电缆Digital signal cable for railway with copper core, skin-foam-skin physical foam

16、ed polyolefin insulation, double steel tape armor and PE outer sheath 适用于非电气化铁路。敷设在土壤、电缆槽、管中，能承受较大的机械外力。The cable is applicable for non-electrified railway and suitable for being laid in soil, cable trough, duct, capable of withstanding external mechanical force. SPTYWA23 铜芯皮泡皮物理发泡聚烯烃绝缘综合护层双钢带铠装聚乙烯外

17、护套铁路数字信号电缆Digital signal cable for railway with copper core, skin-foam-skin physical foamed polyolefin insulation, composite shielding, double steel tape armor and PE outer sheath 适用于一般电场干扰的电气化铁路。敷设在土壤、电缆槽、管中，能承受较大的机械外力。The cable is applicable for electrified railway with disturbance of electric fie

18、ld, and suitable for being laid in soil, cable trough, duct, capable of withstanding external mechanical force. SPTYWL23 铜芯皮泡皮物理发泡聚烯烃绝缘铝护套双钢带铠装聚乙烯外护套铁路数字信号电缆Digital signal cable for railway with copper core, skin-foam-skin physical foamed polyolefin insulation, double steel tape armor and PE outer s

19、heath 适用于有强电场干扰的电气化铁路。敷设在土壤、电缆槽、管中，能承受较大的机械外力。The cable is applicable for electrified railway with disturbance of heavy electric field, and suitable for being laid in soil, cable trough, duct, capable of withstanding external mechanical force. SPTYWP03 铜芯皮泡皮物理发泡聚烯烃绝缘聚乙烯外护套内屏蔽铁路数字信号电缆Inner screen dig

20、ital signal cable for railway with copper core, skin-foam-skin physical foamed polyolefin insulation and PE outer sheath 适用于铁路敷设在电缆槽、管中或没有重压力的土壤中。 SPTYWP23 铜芯皮泡皮物理发泡聚烯烃绝缘钢带铠装聚乙烯外护套内屏蔽铁路数字信号电缆Inner screen digital signal cable for railway with copper core, skin-foam-skin physical foamed polyolefin ins

21、ulation, steel tape armor and PE outer sheath SPTYWPA23 铜芯皮泡皮物理发泡聚烯烃绝缘综合护层钢带铠装聚乙烯外护套内屏蔽铁路数字信号电缆Inner screen digital signal cable for railway with copper core, skin-foam-skin physical foamed polyolefin insulation, composite shielding, steel tape armor and PE outer sheath 适用于一般电场干扰的电气化铁路。敷设在土壤、电缆槽、管中，

22、能承受较大的机械外力。The cable is applicable for electrified railway with disturbance of electric field, and suitable for being laid in soil, cable trough, duct, capable of withstanding external mechanical force. SPTYWPL23 铜芯皮泡皮物理发泡聚烯烃绝缘铝护套钢带铠装聚乙烯外护套内屏蔽铁路数字信号电缆Inner screen digital signal cable for railway wit

23、h copper core, skin-foam-skin physical foamed polyolefin insulation, Al sheath, steel tape armor and PE outer sheath 适用于有强电场干扰的电气化铁路。敷设在土壤、电缆槽、管中，能承受较大的机械外力。The cable is applicable for electrified railway with strong disturbance of electric field, and suitable for being laid in soil, cable trough, d

24、uct, capable of withstanding external mechanical force. 4.2用于特殊环境的电缆型号、名称及特点、适用范围Type, name, characteristic and application for special environment 型 号Type 名 称Name 特点、适用范围Characteristic and application DW-SPTYWL23DW-SPTYWA23 低烟无卤阻燃型铁路数字信号电缆Digital signal cable for railway with low smoke halogen free

25、 flame retardant 低烟无卤、环保无公害型。信号控制室内、地铁、轻轨Low smoke halogen free, environmental protection type cable without public hazards, which is suitable for signal control indoors, subway or light rail. FBY -SPTYWL23FBY -SPTYWA23 防白蚁型铁路数字信号电缆Digital signal calbe for railway with anti-termite 环保型无毒害防白蚁，热带或湿热带等

26、蚁害地区Environmental protection, poison free, anti-termite type cable, suitable for tropics or hot and humid area where subject to ant damage H-SPTYWL23H-SPTYWA23 耐寒型铁路数字信号电缆Digital signal cable for railway with cold-resistant 严寒地区Chilliness area GP-SPTYWL23 高屏蔽型铁路数字信号电缆Digital signal cable for railway

27、 with high-screen type 屏蔽系数0.1以下防止强电干扰的电气集中、轨道电路等信号系统Shielding coefficient under 0.1,suitable for signal systems, such as electric concentration, track circuit that the strong electricity interfere -4-5、 电缆型号组成及代号的含义Cable type composition and meaning of the code5.1 型号由以下部分组成，各部分用代号表示，见图1。The type is

28、 made up of following part, and each part is expressed with code. See figure 1. 5.2 代号的含义 Meaning of code 代 号Code 含 义Meaning 代 号Code 含 义Meaning SPT 铁路数字信号电缆Digital signal cable for railway 23 双钢带铠装聚乙烯外护套Double steel tape armor PE outer sheath YW 皮-泡-皮物理发泡聚烯烃绝缘Skin-foam-skin physical foamed polyolefi

29、n insulation H 耐寒型 Cold-retardant type P 内屏蔽 Inner screen DW 低烟无卤阻燃 Low smoke halogen free flame retardant L 铝护套 Al sheath FBY 防白蚁型 Anti-termite A 综合护套 Composite sheath GP 高屏蔽型 High-screen type 03 非铠装聚乙烯外护套Non-armor PE outer sheath 6、电缆主要技术指标 Main technical index of cable 序号Ser. No 项 目Item 指 标Index

30、试验方法Test method 换算公式Conversion formula 1 直流电阻 20 /kmDC resistant每根导体直流电阻DC resistant for each conductor工作对导体直流电阻不平衡 %Resistance unbalance of conductor working pair 22.51.0 1 GB/T3048.4 L/1000 2 绝缘电阻 DC 500V20 MkmInsulation resistant每根绝缘线芯对其它绝缘线芯接屏蔽及金属套Each insulated wire versus other insulated wire

31、connecting to screen and metal sheath 10000 GB/T3048.6 1000/L 3 绝缘介质强度 50Hz 2min VInsulated dielectric strength线芯间Between wires所有线芯连在一起（或每根线芯）对屏蔽与金属套All wires connected together(or each wire) versus screen and metal sheath 1000 2000 GB/T3048.8 - 4 电容 0.8KHz1.0kHz nF/kmCapacitance非屏蔽四线组 Non-screen qu

32、ad屏蔽四线组 Screen quad对线组 Pair每根绝缘线芯对连接到地的其它绝缘线芯间电容Capacitance between each insulated wire and other insulated wire connecting to ground 28328235470 GB5441.2 L/1000 5 电容耦合系数 0.8KHz1.0kHz pF/kmCapacitance coupling coefficient K1 平均值 Average value最大值 Maximum value K9K12 平均值 Average value最大值 Maximum value

33、四芯电缆K1值指标为最大值For 4-core cable, k1 is the maximum value 81330 119 230 GB5441.3 L/1000 L/1000 6 对地电容不平衡系数0.8KHz1.0KHz pF/kmCapacitance unbalance to earth ea1、ea2 平均值 Average value 最大值 Maximum value四芯电缆ea1、ea2指标为最大值For 4-core cable, e1、e2 are the maximum value允许有10%盘数的ea1、ea21294 pF/kme1、e2 of 10% drum

34、s1294 pF/km is permissible 330800 GB5441.3 L/1000 回路间近端串音衰减 dB/1000mNear-end cross-talk attenuation between circuit 150kHz 组内 inner group组间 between groups 5151 5565 （） 回路间近端串音衰减 300m及以上Near-end cross-talk attenuation between circuit1000kHz 组内 inner group组间 between groups 3737 4254 8 回路间远端串音防卫度 dB/10

35、00mFar-end cross-talk ratio between circuit150 kHz 组内 inner group组间 between groups1000kHz 组内 inner group组间 between groups 5252627239394959 GB5441.6 -10Lg（L/1000） -6- 续表 contd 序号Ser.No 项 目Item 指 标Index 试验方法Test method 换算公式Conversion formula 9 特性阻抗 20 Characteristic impedance0.55kHz0.85kHz1.7kHz2.0kHz

36、2.3kHz2.6kHz150kHz1000kHz 67568545503322396241636722153432114325201316317171551616 GB/T 5441.7 10 线对衰减 20 dB/kmAttenuation of pair0.55kHz0.85kHz1.7kHz2.0kHz2.3kHz2.6kHz150kHz1000kHz 0.450.550.700.750.800.833.59.0 GB/T 5441.7 L/1000 11 相角 Phase angle0.55kHz0.85kHz1.7kHz2.0kHz2.3kHz2.6kHz -434.31.3-42

37、4.21.3-393.91.2-383.81.1-373.71.1-363.61.1 GB/T 5441.7 12 近端串音衰减 2.6kHz, 300mNear-end cross-talk attenuation(近端阻抗55，远端阻抗325) dB(Near-end impedance 55,far-end impedance 325)db两屏蔽四线组内，各有一线对的一线芯接地，此两线对间的近端串音衰减In two shielding quad, each working pair has a core connecting to ground 89 TB/T3100.52004附录A(

38、Appendix A) 13 屏蔽铜带与泄流线间直流电阻 20 DC resistance between screen copper tape and drain wire 0.01 GB/T 3048.4 注： 导体电阻不平衡，即工作线对两根导体的电阻之差与其电阻之和的比值。 Resistance unbalance of conductor, namely the difference of the resistance to two conductors of working pair and its ratio of the sum of the resistance当长度小于300

39、m时，近端串音换算公式为-10lg1-10-(L/5)/ 1-10-(0.3/5)。式中：为线对衰减， db/ km。 When the length is not more than 300m, conversion formula of near-end cross-talk is: -10lg1-10-(L/5)/ 1-10-(0.3/5),where: is attenuation of pair, dB/km20时的特性阻抗温度系数在0.55kHz2.6kHz时为0.002 1/。In 0.55kHz2.6kHz, characteristic impedance temperatu

40、re coefficient at 20 is 0.002 1/.20时的衰减温度系数为0.002 1/。Attenuation temperature coefficient at 20 is 0.002.表中第7、8、9、11条的数据为电缆的屏蔽四线组的指标或公差范围。 The data in clause 7, 8, 9, 11 which is in the table is the index or tolerance range of shielding quad of cable.7、电缆的缆芯结构、参考外径及参考重量Core construction, reference ou

41、ter diameter and weight of cable7.1塑料护套、综合护套、铝护套铁路数字信号电缆 Digital signal cable for railway with plastic sheath, composite sheath and Al sheath 规格（芯数） 缆 芯 结 构Core construction 塑料护套Plastic sheath 综合护套Composite sheath 铝护套Al sheath （四线组对线组绝缘线芯） 非铠装Non-armorSPTYW03 铠装ArmorSPTYW23 铠装ArmorSPTYWA23 铠装 ArmorS

42、PTYWL23 外径O.Dmm 重量Weightkg/km 外径O.Dmm 重量Weightkg/km 外径O.Dmm 重量Weightkg/km 外径O.Dmm 重量Weightkg/km 4(14)1.09.38012.316415.526920.95056(32)1.012.211615.424516.929423.17318(24)1.013.814317.028918.535124.17929(241)1.013.815217.029818.536024.180012(34)1.014.518217.733619.239825.688414(34+2)1.014.520017.735

43、319.241525.690116(44)1.016.322819.540021.447427.399019(443)1.016.325419.542621.449927.3101521(541)1.017.327720.545922.453727.3103724(64)1.017.830621.049422.957229.3112928(74)1.019.335122.555324.263430.5121630(742)1.019.336822.557124.265130.5123333(745)1.020.340023.561324.968931.5130037(74323)1.021.844425.067227.177332.7138742(74426)1.022.849426.073228.183433.7147144(74428)1.022.851126.074928.185133.7148948(124)1.025.156128.583231.5121636.7164552(1244)1.02