CN109411118A - 船舰用防水耐热信号控制线结构 - Google Patents

船舰用防水耐热信号控制线结构 Download PDF

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CN109411118A
CN109411118A CN201811434106.7A CN201811434106A CN109411118A CN 109411118 A CN109411118 A CN 109411118A CN 201811434106 A CN201811434106 A CN 201811434106A CN 109411118 A CN109411118 A CN 109411118A
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signal control
heat resistant
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line structure
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曹弘皎
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PEOPLE'S CABLE GROUP CO Ltd
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Abstract

本发明涉及电缆领域，特别涉及一种船舰用防水耐热信号控制线结构，包括多组线对绞合成缆芯；每组线对包含两根绕包有聚酯带包绝缘层的绝缘线芯，聚酯带包绝缘层外设有编织层；每根绝缘线芯由七股无氧软铜丝绞合成软铜导体，无氧软铜丝之间填充有阻水纱，软铜导体上绕包有阻水带包；在绕包有阻水带包的软铜导体上涂覆有绝缘涂料形成绝缘层；所述缆芯间隙设有填充材料；在所述缆芯外依次为成缆绕包层、总屏蔽层、耐热层、环保层、防水粘结层、编织铠装层和外护层。本发明结构简单，设计科学、合理，产品结构紧凑，制作工艺简单，导电性能优、耐热，载流量大，可广泛应用于船舰、大型施工船舶、海上石油平台等场电气仪表装备信号的控制连接。

Description

船舰用防水耐热信号控制线结构
技术领域
本发明涉及电缆领域，特别涉及一种船舰用防水耐热信号控制线结构。
背景技术
随着中国船舰事业的快速发展，与之配套的船舰用电缆被应用的越来越广泛，电线电缆作为在船舰“神经系统”，对中国船舰业的发展起着重要的作用。国内船用电缆的发展起步较晚，各个厂家的技术水平参差不齐，加上近年来国际船舶对船用控制线的要求越来越高，致使许多厂家由于技术力量有限，不能设计、生产出满足技术要求的船用电缆产品。许多大的船舶制造厂，对于船舶用电缆大部分采用进口产品，然而进口电缆价格昂贵，生产周期长，不利于中国船舶产业的发展，在此基础上，有待研究开发新型防水耐热船舰用控制电缆。
发明内容
为此，本发明提供一种船舰用防水耐热信号控制线结构，导电性能优、耐热，载流量大，可广泛应用于船舰、大型施工船舶、海上石油平台等场电气仪表装备信号的控制连接。
按照本发明所提供的设计方案， 一种船舰用防水耐热信号控制线结构，包括多组线对绞合成缆芯；每组线对包含两根绕包有聚酯带包绝缘层的绝缘线芯，聚酯带包绝缘层外设有编织层；每根绝缘线芯由七股无氧软铜丝绞合成软铜导体，无氧软铜丝之间填充有阻水纱，软铜导体上绕包有阻水带包；在绕包有阻水带包的软铜导体上涂覆有绝缘涂料形成绝缘层；所述的缆芯间隙设有填充材料；在所述缆芯外依次为成缆绕包层、总屏蔽层、耐热层、环保层、防水粘结层、编织铠装层和外护层。
上述的，所述的编织层由编织密度为80%的无氧软铜丝形成。
上述的，所述的填充材料采用玻璃纤维绳和阻水纱。
上述的，所述的总屏蔽层采用无氧铜材料形成的铜管结构。
上述的，所述的耐热层包含第一耐热层和第二耐热层；所述的第一耐热层采用高阻燃玻璃纤维带和防水泥；所述的第二耐热层采用氧化镁材料。
上述的，所述的环保层为在耐热层外绕包的低烟无卤高阻燃包带。
上述的，所述的防水粘结层由挤包铝管和聚乙烯护套构成。
上述的，所述铠装层由在防水粘结层外编织的镀锌钢丝构成。
上述的，所述外护层采用聚氨酯弹性体护套成品。
上述的，包括两组线对绞合成的缆芯。
本发明的有益效果：
本发明结构简单，设计科学、合理，产品结构紧凑，制作工艺简单，安装使用和维护极为方便；通过多组线对绞合成缆芯，并在缆芯间隙设有填充材料，在缆芯外依次为成缆绕包层、总屏蔽层、耐热层、环保层、防水粘结层、编织铠装层和外护层，使得线缆导电性能更优、更耐热，载流量更大，且使用温度等级高、屏蔽性能好、抗压、柔软、防水等优点优异的电气特性，可广泛应用于船舰、大型施工船舶、海上石油平台等场电气仪表装备信号控制连接，具有较强的推广应用价值。
附图说明：
图1为实施例中信号控制线结构示意图。
具体实施方式：
图中标号，标号1代表软铜导体，标号2代表阻水纱，标号3代表阻水包带，标号4代表绝缘层，标号5代表聚酯带包绝缘层，标号6代表编织层，标号7代表填充材料，标号8代表成缆绕包层，标号9代表总屏蔽层，标号10代表第一耐热层，标号11代表第二耐热层，标号12代表环保层，标号13代表防水粘结层，标号14代表编织铠装层，标号15代表外护层。
下面结合附图和技术方案对本发明作进一步详细的说明，并通过优选的实施例详细说明本发明的实施方式，但本发明的实施方式并不限于此。
针对现有船舶制造厂大部分采用进口电缆，价格昂贵、生产周期长且不利于中国船舶产业的发展等的情形，本发明实施例，参见图1所示，提供一种船舰用防水耐热信号控制线结构，包括多组线对绞合成缆芯；每组线对包含两根绕包有聚酯带包绝缘层的绝缘线芯，聚酯带包绝缘层外设有编织层；每根绝缘线芯由七股无氧软铜丝绞合成软铜导体，无氧软铜丝之间填充有阻水纱，软铜导体上绕包有阻水带包；在绕包有阻水带包的软铜导体上涂覆有绝缘涂料形成绝缘层；所述的缆芯间隙设有填充材料；在所述缆芯外依次为成缆绕包层、总屏蔽层、耐热层、环保层、防水粘结层、编织铠装层和外护层。
上述的，所述的编织层由编织密度为80%的无氧软铜丝形成。
上述的，所述的填充材料采用玻璃纤维绳和阻水纱。
上述的，所述的总屏蔽层采用无氧铜材料形成的铜管结构。
上述的，所述的耐热层包含第一耐热层和第二耐热层；所述的第一耐热层采用高阻燃玻璃纤维带和防水泥；所述的第二耐热层采用氧化镁材料。
上述的，所述的环保层为在耐热层外绕包的低烟无卤高阻燃包带。
上述的，所述的防水粘结层由挤包铝管和聚乙烯护套构成。
上述的，所述铠装层由在防水粘结层外编织的镀锌钢丝构成。
上述的，所述外护层采用聚氨酯弹性体护套成品。
上述的，包括两组线对绞合成的缆芯。
产品的使用条件：安装敷设环境温度不低于0℃，固定敷设时环境温度不低于-10℃；电缆允许最小于弯曲半径不小于15D（D-电缆外径mm）。
本发明中，软铜导体可采用镀锡无氧软铜丝，绞合节距控制在12-14倍，节距小增加了导体的稳定性，镀锡类导体防止导体氧化，提高产品的使用寿命。绞合导体时加入阻水纱，高阻水带绕包，根据该类产品的使用场合，提高电缆的防水效果。绝缘采用涂覆方式，选用新型耐高温陶瓷绝缘涂料材料，该种材料具有较高体积电阻率，能承受较强电场而不被击穿，同时具有良好的化学稳定性、耐老化、耐水、耐腐蚀性，抗氧化性好，无闪点、燃点，硬度高，最主要的是耐高温等级可达1700℃。线芯成缆间隙选用玻璃纤维绳和阻水纱组合形成填充材料，同时起到防水和耐高温的效果。本发明中，产品设置分屏蔽和总屏蔽结构，总屏蔽结构与传统电缆结构相对比，采用挤出铜管形式，更加有效的提升抗电磁干扰性，在电磁干扰较高的场合较高程度的保持信号传输的稳定。耐热防火层采用双层加强型结构，第一层以重叠绕包高阻燃玻璃纤维带和挤出防火泥构成，第二层采用氧化镁高温材料，双重结构升级，共同提高耐温等级性能。防水层采用同步挤包铝管和挤包聚乙烯护套，不仅具有抗压性，还在一定程度上起到屏蔽外界信号的作用，使传输线芯信号免受外界信号的干扰，且生产制造工艺简单方便。挤包铝管外挤包聚乙烯护套，聚乙烯护套材质较硬，与挤包铝管粘合增加线芯的抗压性。铠装层采用编织镀锌钢丝，大大提高了电缆的弯曲性能和抗拉强度，同时有效的保护了内护套的损伤，提高电缆的使用寿命。外护套可采用90℃热塑性环保聚氨酯材料，使外护层具有较高的机械强度和断裂伸长率，且在船舰甲板上有耐油效果，提高电缆的使用寿命；外护层可采用新型聚氨酯弹性体材料，可以用普通挤塑机生产，比传统采用的连流线生产工艺简单、制造方便、成本低但性价比高。
本发明中信号控制线结构，技术性能指标：测试电压（U0/U）：1.5kV/5min电缆不击穿。绝缘的吸水性：温度85±2℃，持续时间336h，绝缘的重量最大增量为5mg/cm2。护套的收缩试验：试验温度80±2℃、温度持续5h，护套的最大允许收缩为3%。绝缘及护套的低温拉伸、低温冲击试验，试验温度为-55℃，试验后绝缘和护套表面应无裂纹现象。负重试验：整根电缆按导体截面积×15N进行负重试验，电缆的护套表面应无开裂。屏蔽性能试验：屏蔽抑制系数小于0.01。防水试验：取5m试样，注入0.5MPa的水压，持续加压7天，试样端头无水渗出。通过上述试验，可进一步验证本发明中的产品结构能够满足船舰用防水耐热补偿导线的要求。
本发明不局限于上述具体实施方式，本领域技术人员还可据此做出多种变化，但任何与本发明等同或者类似的变化都应涵盖在本发明权利要求的范围内。

Claims (10)

1.一种船舰用防水耐热信号控制线结构，其特征在于，包括多组线对绞合成缆芯；每组线对包含两根绕包有聚酯带包绝缘层的绝缘线芯，聚酯带包绝缘层外设有编织层；每根绝缘线芯由七股无氧软铜丝绞合成软铜导体，无氧软铜丝之间填充有阻水纱，软铜导体上绕包有阻水带包；在绕包有阻水带包的软铜导体上涂覆有绝缘涂料形成绝缘层；所述的缆芯间隙设有填充材料；在所述缆芯外依次为成缆绕包层、总屏蔽层、耐热层、环保层、防水粘结层、编织铠装层和外护层。
2.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述的编织层由编织密度为80%的无氧软铜丝形成。
3.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述的填充材料采用玻璃纤维绳和阻水纱。
4.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述的总屏蔽层采用无氧铜材料形成的铜管结构。
5.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述的耐热层包含第一耐热层和第二耐热层；所述的第一耐热层采用高阻燃玻璃纤维带和防水泥；所述的第二耐热层采用氧化镁材料。
6.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述的环保层为在耐热层外绕包的低烟无卤高阻燃包带。
7.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述的防水粘结层由挤包铝管和聚乙烯护套构成。
8.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述铠装层由在防水粘结层外编织的镀锌钢丝构成。
9.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，所述外护层采用聚氨酯弹性体护套成品。
10.根据权利要求1所述的船舰用防水耐热信号控制线结构，其特征在于，包括两组线对绞合成的缆芯。
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