CN114591073A - 一种用于新能源汽车的防爆陶瓷管 - Google Patents

一种用于新能源汽车的防爆陶瓷管 Download PDF

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CN114591073A
CN114591073A CN202011398027.2A CN202011398027A CN114591073A CN 114591073 A CN114591073 A CN 114591073A CN 202011398027 A CN202011398027 A CN 202011398027A CN 114591073 A CN114591073 A CN 114591073A
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explosion
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刘澄
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Lengshuijiang Runchen New Material Co ltd
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Abstract

本发明公开了一种用于新能源汽车的防爆陶瓷管，其特征在于，所述防爆陶瓷管由以下组分的陶瓷材料制成，堇青石82.0～88.0wt％，三氧化二磷3.00～6.00wt％，碳酸锶2.00～3.00wt％，二氧化钛3.00～6.00wt％，氧化钇0～2.00wt％，二氧化硅1.00～3.00wt％。通过采用堇青石为主晶相的陶瓷材料制造该汽车防爆保险丝用瓷管，具有很低的膨帐系数，达到防开裂的效果。同时可以放置保险丝熔断时产生的大量热量对周围电路及电子元件的污染。

Description

一种用于新能源汽车的防爆陶瓷管
技术领域
本发明涉及防爆设备技术领域，特别涉及一种用于新能源汽车的防爆陶瓷管。
背景技术
随着汽车工业的高速发展，在追求舒适性和易操控性的同时，安全性和节能环保也被越来越重视。汽车中许多部件需要安装防爆保险丝，特别是LED灯中，在这些防爆保险丝的外部需要套设一根绝缘管。目前，这些绝缘套管通常是采用α-Al2O3作为主晶相的陶瓷制成。
α-Al2O3陶瓷中存在的化学键是离子键和共价键，对于离子键一旦原子间距因受热膨胀增大，库伦力将显著降低，势能显著增加，即只需膨胀少许，就会将外界的能量吸收掉。换句话说，要膨胀较多的话必须提供更多的能量，而外界提供能量太大时，离子键将断裂，陶瓷就会开裂，而不是继续发生膨胀。对于共价键，由于共价键具有显著的方向性，陶瓷授热膨胀时，原子发生一定程度的错位，将导致共价键显著削弱，势能显著增大，同样吸收大量外界能量，使膨胀不能继续增大。
目前，大多数汽车生产厂商所采用的α-Al2O3防爆保险丝用瓷管，膨帐系数在6.7～8.0左右，隔热性和韧性差，不能满足工作电流较大的电路环境中。当保险丝熔断时的瞬间电流是非常大，特别是负载短路造成的保险丝熔断，若在熔断时瓷管不能隔热或开裂就会对周围电路造成损坏或环境污染。
发明内容
为了解决现有技术的问题，本发明实施例提供了一种用于新能源汽车的防爆陶瓷管。所述技术方案如下：
提供了一种用于新能源汽车的防爆陶瓷管，所述防爆陶瓷管由以下组分的陶瓷材料制成，堇青石82.0～88.0wt％，三氧化二磷3.00～6.00wt％，碳酸锶2.00～3.00wt％，二氧化钛3.00～6.00wt％，氧化钇0～2.00wt％，二氧化硅1.00～3.00wt％。
进一步地，所述防爆陶瓷管由以下步骤制作而成：
S1，将堇青石粉料烘干至含水量低于或者等于0.03％，按照预定比例将三氧化二磷、碳酸锶、二氧化钛、氧化钇和二氧化硅粉料加入到烘干后的堇青石粉料中，并搅拌均匀；
S2，将步骤S2混合均匀后的混合粉料放入到球磨机中进行球磨，球磨时按照粉料与磨球重量比为1:2～4配比，持续球磨15～20小时；
球磨后，混合粉料的水泥比表面积测量值为500～600m2/Kg；
S3，在步骤S2球磨后的混合粉料中添加混合粉料重量8～15％的白蜡和混合粉料重量0.2～0.8％的黄蜡；
然后加热熔化、搅拌，去除白蜡和黄蜡中的水分，再将加入白蜡和黄蜡后的混合粉料放入到搅拌机中搅拌3小时以上，充分搅拌将空气排除干净的料浆制成蜡饼；
S4，将步骤S3中制成的蜡饼热压成型加工成汽车防爆保险丝用瓷管坯体。
进一步地，所述防爆陶瓷管的制作还包括以下步骤：
S5，在步骤S4加工成瓷管坯体后，将瓷管坯体送入到排蜡炉内进行排蜡，排蜡时的炉内温度按照230℃、450℃、590℃和890℃逐级升温；
排蜡后的瓷管坯体使用震洗方式进行清灰处理，震洗时在震洗机内添加适量的金刚砂料。
进一步地，所述防爆陶瓷管的制作还包括以下步骤：
S6，将步骤S5中排蜡以及清灰后的瓷管坯体放入到烧结炉中进行烧结，烧结时，烧结炉的炉内温度在200分钟～300分钟的时间内从室温逐渐升温到1150℃，再在60分钟～100分钟时间内从1150℃升温到1205℃，然后保温40分钟～60分钟，最后自然冷却。
本发明实施例提供的技术方案带来的有益效果是：
通过采用堇青石为主晶相的陶瓷材料制造该汽车防爆保险丝用瓷管，具有很低的膨帐系数，达到防开裂的效果。同时可以放置保险丝熔断时产生的大量热量对周围电路及电子元件的污染。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面对本发明实施方式作进一步地详细描述。
本实施例提供了一种用于新能源汽车的防爆陶瓷管，所述防爆陶瓷管由以下组分的陶瓷材料制成，堇青石82.0～88.0wt％，三氧化二磷3.00～6.00wt％，碳酸锶2.00～3.00wt％，二氧化钛3.00～6.00wt％，氧化钇0～2.00wt％，二氧化硅1.00～3.00wt％。
优选地，所述防爆陶瓷管由以下步骤制作而成：
S1，将堇青石粉料烘干至含水量低于或者等于0.03％，按照预定比例将三氧化二磷、碳酸锶、二氧化钛、氧化钇和二氧化硅粉料加入到烘干后的堇青石粉料中，并搅拌均匀；
S2，将步骤S2混合均匀后的混合粉料放入到球磨机中进行球磨，球磨时按照粉料与磨球重量比为1:2～4配比，持续球磨15～20小时；
球磨后，混合粉料的水泥比表面积测量值为500～600m2/Kg；
S3，在步骤S2球磨后的混合粉料中添加混合粉料重量8～15％的白蜡和混合粉料重量0.2～0.8％的黄蜡；
然后加热熔化、搅拌，去除白蜡和黄蜡中的水分，再将加入白蜡和黄蜡后的混合粉料放入到搅拌机中搅拌3小时以上，充分搅拌将空气排除干净的料浆制成蜡饼；
S4，将步骤S3中制成的蜡饼热压成型加工成汽车防爆保险丝用瓷管坯体。
优选地，所述防爆陶瓷管的制作还包括以下步骤：
S5，在步骤S4加工成瓷管坯体后，将瓷管坯体送入到排蜡炉内进行排蜡，排蜡时的炉内温度按照230℃、450℃、590℃和890℃逐级升温；
排蜡后的瓷管坯体使用震洗方式进行清灰处理，震洗时在震洗机内添加适量的金刚砂料。
优选地，所述防爆陶瓷管的制作还包括以下步骤：
S6，将步骤S5中排蜡以及清灰后的瓷管坯体放入到烧结炉中进行烧结，烧结时，烧结炉的炉内温度在200分钟～300分钟的时间内从室温逐渐升温到1150℃，再在60分钟～100分钟时间内从1150℃升温到1205℃，然后保温40分钟～60分钟，最后自然冷却。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (4)

1.一种用于新能源汽车的防爆陶瓷管，其特征在于，所述防爆陶瓷管由以下组分的陶瓷材料制成，堇青石82.0～88.0wt％，三氧化二磷3.00～6.00wt％，碳酸锶2.00～3.00wt％，二氧化钛3.00～6.00wt％，氧化钇0～2.00wt％，二氧化硅1.00～3.00wt％。
2.根据权利要求1所述的一种用于新能源汽车的防爆陶瓷管，其特征在于，所述防爆陶瓷管由以下步骤制作而成：
S1，将堇青石粉料烘干至含水量低于或者等于0.03％，按照预定比例将三氧化二磷、碳酸锶、二氧化钛、氧化钇和二氧化硅粉料加入到烘干后的堇青石粉料中，并搅拌均匀；
S2，将步骤S2混合均匀后的混合粉料放入到球磨机中进行球磨，球磨时按照粉料与磨球重量比为1:2～4配比，持续球磨15～20小时；
球磨后，混合粉料的水泥比表面积测量值为500～600m2/Kg；
S3，在步骤S2球磨后的混合粉料中添加混合粉料重量8～15％的白蜡和混合粉料重量0.2～0.8％的黄蜡；
然后加热熔化、搅拌，去除白蜡和黄蜡中的水分，再将加入白蜡和黄蜡后的混合粉料放入到搅拌机中搅拌3小时以上，充分搅拌将空气排除干净的料浆制成蜡饼；
S4，将步骤S3中制成的蜡饼热压成型加工成汽车防爆保险丝用瓷管坯体。
3.根据权利要求2所述的一种用于新能源汽车的防爆陶瓷管，其特征在于，所述防爆陶瓷管的制作还包括以下步骤：
S5，在步骤S4加工成瓷管坯体后，将瓷管坯体送入到排蜡炉内进行排蜡，排蜡时的炉内温度按照230℃、450℃、590℃和890℃逐级升温；
排蜡后的瓷管坯体使用震洗方式进行清灰处理，震洗时在震洗机内添加适量的金刚砂料。
4.根据权利要求3所述的一种用于新能源汽车的防爆陶瓷管，其特征在于，所述防爆陶瓷管的制作还包括以下步骤：
S6，将步骤S5中排蜡以及清灰后的瓷管坯体放入到烧结炉中进行烧结，烧结时，烧结炉的炉内温度在200分钟～300分钟的时间内从室温逐渐升温到1150℃，再在60分钟～100分钟时间内从1150℃升温到1205℃，然后保温40分钟～60分钟，最后自然冷却。
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