CN110517811A - 一种线型感温探测器用感温电缆 - Google Patents
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Abstract
本发明公开了一种线型感温探测器用感温电缆,属于电线电缆领域,一种线型感温探测器用感温电缆,包括内防护层,所述内防护层内部设有三个呈倒三角形排布的电缆缆芯,所述内防护层的内部还设有一个倒Y形橡胶骨架,三个电缆缆芯均与所述倒Y形橡胶骨架贴合设置,每个电缆缆芯均包括有贴合设置的第一导体和第二导体、包裹在第一导体和第二导体外侧的第一耐火层、绕包在第一耐火层外侧的第一屏蔽层,所述第一导体和所述第二导体的外侧均包裹有一层热敏绝缘层。可以实现电缆温度过高自动报警的功能,屏蔽效果好、抗干扰能力强,柔软性好、抗拉强度强,可以适应高低温、腐蚀、潮湿等各种复杂的环境,提高了电缆的适用性。
Description
技术领域
本发明涉及电线电缆领域,更具体地说,涉及一种线型感温探测器用感温电缆。
背景技术
从我国多年来火灾的情况来看,随着经济建设的发展,城镇数量和规模的扩大,人民物质文化生活水平的挺高,在生产和生活中用火、用电、用易燃物和可燃物以及采用具有火灾危险性的设备、工艺日渐增多,因而发生火灾的危险性也相应增大,火灾发生的次数增多造成的财产损失,人员伤亡呈现上升趋势。据不完全统计,我国电气火灾有80%由于电气火灾引起。故合理的对电气设备及电气线路进行火灾早期探测及预警成为了重中之重。火灾危险性大的发电站、变电站、电缆沟道、隧道、夹层、传送带等场所,使用环境恶劣,发生火灾也不容易提早发现,故需要用专门线型感温用电缆进行早期探测及预警报警功能。
现有感温电缆由于出现传输信号慢且容易被其他信号干扰,已经满足不了目前发展的市场的需求。
发明内容
1.要解决的技术问题
针对现有技术中存在的问题,本发明的目的在于提供一种线型感温探测器用感温电缆,可以实现电缆温度过高自动报警的功能,屏蔽效果好、抗干扰能力强,柔软性好、抗拉强度强,可以适应高低温、腐蚀、潮湿等各种复杂的环境,提高了电缆的适用性。
2.技术方案
为解决上述问题,本发明采用如下的技术方案。
一种线型感温探测器用感温电缆,包括内防护层,所述内防护层内部设有三个呈倒三角形排布的电缆缆芯,所述内防护层的内部还设有一个倒Y形橡胶骨架,三个电缆缆芯均与所述倒Y形橡胶骨架贴合设置,每个电缆缆芯均包括有贴合设置的第一导体和第二导体、包裹在第一导体和第二导体外侧的第一耐火层、绕包在第一耐火层外侧的第一屏蔽层,所述第一导体和所述第二导体的外侧均包裹有一层热敏绝缘层,所述内防护层的外侧包裹有缓冲层,所述内防护层和所述缓冲层之间沿周向等间距分布有多个弹性橡胶棒,所述缓冲层的外侧由内而外包裹有第二屏蔽层、第三屏蔽层、外防护层、外护套。
进一步的,所述第一导体和所述第二导体均采用弹性铝丝导体,抗挤压效果好,可以有效抵抗外界环境各种挤压。
进一步的,所述第一耐火层采用耐火云母带,有效的提高了电缆的耐火、防火性能。
进一步的,所述内防护层的内部缝隙中填充有耐火云母颗粒,进一步的提高了电缆的耐火、防火性能,且填充的耐火云母颗粒能够有效提高电缆整体的抗压性能。
进一步的,所述缓冲层由玻璃纤维布绕包制成,能够有效提高电缆受压时的缓冲性能。
进一步的,所述第一屏蔽层为编织镀锡铜丝屏蔽层,所述第二屏蔽层为铝箔屏蔽层,所述第三屏蔽层为复合屏蔽层,复合屏蔽层由镀锡铜丝与高密度纤维编织而成,采用三层屏蔽材料层配合进行屏蔽,能够有效抵御外来电磁干扰的能力,大大的提高了电缆的抗干扰能力,保证了电缆在电磁环境下的传输稳定性。
进一步的,所述外护套为尼龙丝编织外护套,可以适应高低温、腐蚀、潮湿等各种复杂的环境,提高了电缆的适用性。
进一步的,所述内防护层采用以下方法制备的材料挤出制成,其包括以下过程:按重量份,将醋酸乙烯树脂5-10份和酚醛树脂3-8份加入到50-60份甲基硅油中,搅拌均匀后加入卡拉胶3-6份和陶土2-4份,边加热边搅拌5h,待温度升至80-90℃时,加入三聚氰胺磷酸酯2-5份、三硬脂酸甘油酯2-4份,继续加温搅拌3h,待温度升至150-160℃,停止加温,保温搅拌4h后,加入N-苯基-α-苯胺2-4份后继续搅拌2h,然后再降温冷却至100℃,加入聚乙二醇3份和含氮二烷基二硫代磷酸氧钼2-4份,充分搅拌4h后,经真空脱气、过滤,得到制备内防护层的材料,使用该材料的内防护层的阻水、抗氧化性能优异。
进一步的,所述外防护层的制备方法为:将20份纳米二氧化钛、4-6份聚乙二醇、100-130份水搅拌10-20min,设定搅拌温度为85-95℃,加入4-6份羧甲基纤维素搅拌均匀,超声处理20-30s,超声功率为120-150W/L,继续进行搅拌,同时加入1-1.5份丁二烯基三乙氧基硅烷联剂,继续搅拌10min,加入5-8份浓度为1.2g/L戊二醛水溶液,继续搅拌12min,冷却至室温得到预制料;
将100-120份氯丁橡胶、60-80份顺丁橡胶、4-8份乙烯醋酸乙烯共聚物、30-40份预制料、40-50份硅藻土、10-15份玻璃纤维、1-1.5份环氧基硅烷偶联剂、0.5-1份羟基硅油混炼均匀,混炼温度为110-120℃,混炼结束后真空静置2h,得到预混料;
向180-200份预混料中加入0.5份硫化促进剂、0.5份抗紫外线吸收剂、1.5-3份抗氧化剂,薄通5次,接着在180℃硫化5min,得到外防护层。
进一步的,所述硫化促进剂选用黄原酸盐和次磺酰胺中的一种,所述抗氧化剂为丁基羟基茴香醚、二丁基羟基甲苯和叔丁基对苯二酚中的一种。
3.有益效果
相比于现有技术,本发明的优点在于:
(1)第一导体和第二导体采用弹性铝丝导体,抗挤压效果好,可以有效抵抗外界环境各种挤压且在第一导体和第二导体的外侧均包裹有一层热敏绝缘层,当电缆的温度过高时,热敏绝缘层熔融,热敏性绝缘材料将破裂,两根铝丝会产生短路,输入模块检查到短路信号后立即产生报警,即可达到报警功能。
(2)采用三层屏蔽材料层配合进行屏蔽,能够有效抵御外来电磁干扰的能力,大大的提高了电缆的抗干扰能力,保证了电缆在电磁环境下的传输稳定性。
(3)设置的弹性橡胶棒能够有效提高电缆的柔软性,避免电缆长时间弯曲造成的损坏。
(4)外护套为尼龙丝编织外护套,可以适应高低温、腐蚀、潮湿等各种复杂的环境,提高了电缆的适用性。
(5)采用内防护层和外防护层对电缆进行双层防护,内防护层具备优异的阻水、防水性能和抗氧化性能,外防护层的耐热、耐老化性能优良,化学稳定性较高,具有特别优异的耐寒性、耐磨性和弹性,还具有较好的耐老化性能,另外阻燃、耐磨性能优异,大大的延长了电缆的使用寿命。
附图说明
图1为本发明的结构示意图;
图2为本发明中电缆缆芯的结构示意图。
1内防护层、2电缆缆芯、3第一导体、4第二导体、5热敏绝缘层、6第一耐火层、7第一屏蔽层、8倒Y形橡胶骨架、9缓冲层、10弹性橡胶棒、11第二屏蔽层、12第三屏蔽层、13外防护层、14耐火云母颗粒、15外护套。
具体实施方式
下面将结合本发明实施例中的附图;对本发明实施例中的技术方案进行清楚、完整地描述;显然;所描述的实施例仅仅是本发明一部分实施例;而不是全部的实施例,基于本发明中的实施例;本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例;都属于本发明保护的范围。
在本发明的描述中,需要说明的是,术语“上”、“下”、“内”、“外”、“顶/底端”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“设置有”、“套设/接”、“连接”等,应做广义理解,例如“连接”,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
实施例1:
请参阅图1-2,一种线型感温探测器用感温电缆,包括内防护层1,内防护层1内部设有三个呈倒三角形排布的电缆缆芯2,内防护层1的内部还设有一个倒Y形橡胶骨架8,三个电缆缆芯2均与倒Y形橡胶骨架8贴合设置,每个电缆缆芯2均包括有贴合设置的第一导体3和第二导体4、包裹在第一导体3和第二导体4外侧的第一耐火层6、绕包在第一耐火层6外侧的第一屏蔽层7,第一导体3和第二导体4的外侧均包裹有一层热敏绝缘层5,内防护层1的外侧包裹有缓冲层9,内防护层1和缓冲层9之间沿周向等间距分布有多个弹性橡胶棒10,缓冲层9的外侧由内而外包裹有第二屏蔽层11、第三屏蔽层12、外防护层13、外护套15。
第一导体3和第二导体4均采用弹性铝丝导体,抗挤压效果好,可以有效抵抗外界环境各种挤压。
第一导体3和第二导体4采用弹性铝丝导体,且在第一导体3和第二导体4的外侧均包裹有一层热敏绝缘层5,当电缆的温度过高时,热敏绝缘层熔融,热敏性绝缘材料将破裂,两根铝丝会产生短路,输入模块检查到短路信号后立即产生报警,即可达到报警功能。
第一耐火层6采用耐火云母带,有效的提高了电缆的耐火、防火性能。
内防护层1的内部缝隙中填充有耐火云母颗粒14,进一步的提高了电缆的耐火、防火性能,且填充的耐火云母颗粒14能够有效提高电缆整体的抗压性能。
缓冲层9由玻璃纤维布绕包制成,能够有效提高电缆受压时的缓冲性能。
第一屏蔽层7为编织镀锡铜丝屏蔽层,第二屏蔽层11为铝箔屏蔽层,第三屏蔽层12为复合屏蔽层,复合屏蔽层由镀锡铜丝与高密度纤维编织而成,采用三层屏蔽材料层配合进行屏蔽,能够有效抵御外来电磁干扰的能力,大大的提高了电缆的抗干扰能力,保证了电缆在电磁环境下的传输稳定性。
设置的弹性橡胶棒10能够有效提高电缆的柔软性,避免电缆长时间弯曲造成的损坏。
外护套15为尼龙丝编织外护套,可以适应高低温、腐蚀、潮湿等各种复杂的环境,提高了电缆的适用性。
内防护层1采用以下方法制备的材料挤出制成,其包括以下过程:按重量份,将醋酸乙烯树脂5-10份和酚醛树脂3-8份加入到50-60份甲基硅油中,搅拌均匀后加入卡拉胶3-6份和陶土2-4份,边加热边搅拌5h,待温度升至80-90℃时,加入三聚氰胺磷酸酯2-5份、三硬脂酸甘油酯2-4份,继续加温搅拌3h,待温度升至150-160℃,停止加温,保温搅拌4h后,加入N-苯基-α-苯胺2-4份后继续搅拌2h,然后再降温冷却至100℃,加入聚乙二醇3份和含氮二烷基二硫代磷酸氧钼2-4份,充分搅拌4h后,经真空脱气、过滤,得到制备内防护层1的材料,使用该材料的内防护层1的阻水、抗氧化性能优异。
外防护层13的制备方法为:将20份纳米二氧化钛、4-6份聚乙二醇、100-130份水搅拌10-20min,设定搅拌温度为85-95℃,加入4-6份羧甲基纤维素搅拌均匀,超声处理20-30s,超声功率为120-150W/L,继续进行搅拌,同时加入1-1.5份丁二烯基三乙氧基硅烷联剂,继续搅拌10min,加入5-8份浓度为1.2g/L戊二醛水溶液,继续搅拌12min,冷却至室温得到预制料;
将100-120份氯丁橡胶、60-80份顺丁橡胶、4-8份乙烯醋酸乙烯共聚物、30-40份预制料、40-50份硅藻土、10-15份玻璃纤维、1-1.5份环氧基硅烷偶联剂、0.5-1份羟基硅油混炼均匀,混炼温度为110-120℃,混炼结束后真空静置2h,得到预混料;
向180-200份预混料中加入0.5份硫化促进剂、0.5份抗紫外线吸收剂、1.5-3份抗氧化剂,薄通5次,接着在180℃硫化5min,得到外防护层13。
硫化促进剂选用黄原酸盐和次磺酰胺中的一种,抗氧化剂为丁基羟基茴香醚、二丁基羟基甲苯和叔丁基对苯二酚中的一种。
氯丁橡胶具有抗张强度高,耐热、耐老化性能优良,具有较强的耐燃性和优异的抗延燃性,其化学稳定性较高,耐水性良好;顺丁橡胶具有特别优异的耐寒性、耐磨性和弹性,还具有较好的耐老化性能,采用氯丁橡胶和顺丁橡胶为主原料,辅以抗氧化剂、阻燃剂、硅藻土等制成的外防护层,兼具氯丁橡胶和顺丁橡胶的性能,且抗氧化、阻燃、耐磨性能优异。
综上所述:第一导体和第二导体采用弹性铝丝导体,抗挤压效果好,可以有效抵抗外界环境各种挤压且在第一导体和第二导体的外侧均包裹有一层热敏绝缘层,当电缆的温度过高时,热敏绝缘层熔融,热敏性绝缘材料将破裂,两根铝丝会产生短路,输入模块检查到短路信号后立即产生报警,即可达到报警功能。
采用三层屏蔽材料层配合进行屏蔽,能够有效抵御外来电磁干扰的能力,大大的提高了电缆的抗干扰能力,保证了电缆在电磁环境下的传输稳定性。
设置的弹性橡胶棒能够有效提高电缆的柔软性,避免电缆长时间弯曲造成的损坏。
外护套为尼龙丝编织外护套,可以适应高低温、腐蚀、潮湿等各种复杂的环境,提高了电缆的适用性。
采用内防护层和外防护层对电缆进行双层防护,内防护层具备优异的阻水、防水性能和抗氧化性能,外防护层的耐热、耐老化性能优良,化学稳定性较高,具有特别优异的耐寒性、耐磨性和弹性,还具有较好的耐老化性能,另外阻燃、耐磨性能优异,大大的延长了电缆的使用寿命。
以上所述;仅为本发明较佳的具体实施方式;但本发明的保护范围并不局限于此;任何熟悉本技术领域的技术人员在本发明揭露的技术范围内;根据本发明的技术方案及其改进构思加以等同替换或改变;都应涵盖在本发明的保护范围内。
Claims (10)
1.一种线型感温探测器用感温电缆,包括内防护层(1),其特征在于:所述内防护层(1)内部设有三个呈倒三角形排布的电缆缆芯(2),所述内防护层(1)的内部还设有一个倒Y形橡胶骨架(8),三个电缆缆芯(2)均与所述倒Y形橡胶骨架(8)贴合设置,每个电缆缆芯(2)均包括有贴合设置的第一导体(3)和第二导体(4)、包裹在第一导体(3)和第二导体(4)外侧的第一耐火层(6)、绕包在第一耐火层(6)外侧的第一屏蔽层(7),所述第一导体(3)和所述第二导体(4)的外侧均包裹有一层热敏绝缘层(5),所述内防护层(1)的外侧包裹有缓冲层(9),所述内防护层(1)和所述缓冲层(9)之间沿周向等间距分布有多个弹性橡胶棒(10),所述缓冲层(9)的外侧由内而外包裹有第二屏蔽层(11)、第三屏蔽层(12)、外防护层(13)、外护套(15)。
2.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述第一导体(3)和所述第二导体(4)均采用弹性铝丝导体。
3.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述第一耐火层(6)采用耐火云母带。
4.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述内防护层(1)的内部缝隙中填充有耐火云母颗粒(14)。
5.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述缓冲层(9)由玻璃纤维布绕包制成。
6.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述第一屏蔽层(7)为编织镀锡铜丝屏蔽层,所述第二屏蔽层(11)为铝箔屏蔽层,所述第三屏蔽层(12)为复合屏蔽层,复合屏蔽层由镀锡铜丝与高密度纤维编织而成。
7.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述外护套(15)为尼龙丝编织外护套。
8.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述内防护层(1)采用以下方法制备的材料挤出制成,其包括以下过程:按重量份,将醋酸乙烯树脂5-10份和酚醛树脂3-8份加入到50-60份甲基硅油中,搅拌均匀后加入卡拉胶3-6份和陶土2-4份,边加热边搅拌5h,待温度升至80-90℃时,加入三聚氰胺磷酸酯2-5份、三硬脂酸甘油酯2-4份,继续加温搅拌3h,待温度升至150-160℃,停止加温,保温搅拌4h后,加入N-苯基-α-苯胺2-4份后继续搅拌2h,然后再降温冷却至100℃,加入聚乙二醇3份和含氮二烷基二硫代磷酸氧钼2-4份,充分搅拌4h后,经真空脱气、过滤,得到制备内防护层(1)的材料。
9.根据权利要求1所述的一种线型感温探测器用感温电缆,其特征在于:所述外防护层(13)的制备方法为:将20份纳米二氧化钛、4-6份聚乙二醇、100-130份水搅拌10-20min,设定搅拌温度为85-95℃,加入4-6份羧甲基纤维素搅拌均匀,超声处理20-30s,超声功率为120-150W/L,继续进行搅拌,同时加入1-1.5份丁二烯基三乙氧基硅烷联剂,继续搅拌10min,加入5-8份浓度为1.2g/L戊二醛水溶液,继续搅拌12min,冷却至室温得到预制料;
将100-120份氯丁橡胶、60-80份顺丁橡胶、4-8份乙烯醋酸乙烯共聚物、30-40份预制料、40-50份硅藻土、10-15份玻璃纤维、1-1.5份环氧基硅烷偶联剂、0.5-1份羟基硅油混炼均匀,混炼温度为110-120℃,混炼结束后真空静置2h,得到预混料;
向180-200份预混料中加入0.5份硫化促进剂、0.5份抗紫外线吸收剂、1.5-3份抗氧化剂,薄通5次,接着在180℃硫化5min,得到外防护层(13)。
10.根据权利要求9所述的一种线型感温探测器用感温电缆,其特征在于:所述硫化促进剂选用黄原酸盐和次磺酰胺中的一种,所述抗氧化剂为丁基羟基茴香醚、二丁基羟基甲苯和叔丁基对苯二酚中的一种。
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