CN109036847A - 一种汽车电容器及其制作方法 - Google Patents
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Abstract
本发明公开了一种汽车电容器及其制作方法，汽车电容器，包括电容芯、电极、外壳、树脂填充层，所述电容芯为卷绕成圆筒状构造的薄膜电容，所述电容芯数量为多个并采用电极串联；所述外壳为上部敞口的盒状结构，所述电容芯及电极设置在外壳内，所述外壳与电容芯及电极之间填充有树脂填充层；所述电极的一端与电容芯相连，所述电极的另一端露出在树脂填充层的外部；所述外壳的后侧两端设有固定板；制作过程包括组装、焊接、填充、检测。本发明提供的电容器容量大，耐冲击力；散热快、韧性好，防止开裂及气泡产生。
Description
技术领域
本发明涉及电容器技术领域，尤其涉及一种汽车电容器及其制作方法。
背景技术
电容器，通常简称其容纳电荷的本领为电容；电容器，顾名思义，是“装电的容器”，是一种容纳电荷的器件；是由两块金属电极之间夹一层绝缘电介质构成。当在两金属电极间加上电压时，电极上就会存储电荷，所以电容器是储能元件。任何两个彼此绝缘又相距很近的导体，组成一个电容器。
汽车电容器又叫电化学电容器、双电层电容器，是一种新型的电容器，它的出现使得电容器的极限容量骤然上升。
现有的汽车电容器采用单个电容芯，储能不能满足使用要求，需进一步提升储能容量。
发明内容
本发明的目的是解决上述不足，提供一种汽车电容器及其制作方法。
本发明提供的一种汽车电容器，包括电容芯、电极、外壳、树脂填充层，所述电容芯为卷绕成圆筒状构造的薄膜电容，所述电容芯数量为多个并采用电极串联；所述外壳为上部敞口的盒状结构，所述电容芯及电极设置在外壳内，所述外壳与电容芯及电极之间填充有树脂填充层；所述电极的一端与电容芯相连，所述电极的另一端露出在树脂填充层的外部；所述外壳的后侧两端设有固定板。
进一步的，所述电极的露出端上设有接线孔。
进一步的，所述外壳的两侧设有与固定板连接的加强肋。
进一步的，所述树脂填充层采用包括如下重量份组分：环氧树脂80-90份、增韧剂8-12份、环氧活性稀释剂8-15份、分散防沉剂0.5-1份、消泡剂0.5-1份、氧化锌20-25份、氮化硼30-35份、结晶二型聚磷酸铵3-5份、双季戊四醇12-15份；甲基四氢酸酐8-10份和甲基六氢二甲酸酐25-35份、固化促进剂0.3-0.8份、消泡剂0.3-0.5份。
所述的一种汽车电容器的制备方法，包括以下步骤：
步骤1、将电容芯用胶带纸并联两排进行缠绕，胶带纸缠绕2圈；
步骤2、焊接电极，将电极铜排按位置进行焊接，每个电极与每个电容芯焊接一个焊接点，然后将电容芯及电极放入外壳中并进行预固定；
步骤3、将液态树脂注入电容器塑的外壳中，液态树脂灌注面比外壳开口面低0.5mm,然后放入烘箱中，烘箱温度80℃，4小时后取出，检查灌注面是否有气泡和表面平整性，如有气泡则将气泡挑破并补充树脂；
步骤4、成品检验测试及包装。
本发明提供的一种汽车电容器及其制作方法有以下有益效果：采用多个电容芯进行并联连接，电容容量大；电容的设有固定板且连接加强肋，能够承受电容增大后的重量及固定冲击力；电容器内填充专用配方的树脂填充层，能够更好的散热，具有高韧性，能够防止制作过程产生气泡，且能够防止使用后开裂；制作方法合理，过程中通过烘箱进行烘烤，能够提高生产效率。
本发明提供的一种汽车电容器，容量大，耐冲击力；散热快、韧性好，防止开裂及气泡产生。
附图说明：
图1为本发明的汽车电容器的正视示意图。
图2为本发明的汽车电容器的侧视断面示意图。
图3为本发明的汽车电容器的俯视示意图。
图4为本发明的汽车电容器的俯视断面示意图。
具体实施方式
下面通过实施例对本发明进一步的说明，本发明的实施例在以本发明的技术方案为前提下进行实施，给出了详细的实施方式和具体的操作过程，但本发明的保护范围不限于下述实施例：
如图1、图2、图3及图4所示，本发明提供的一种汽车电容器，包括电容芯1、电极2、外壳3、树脂填充层4，所述电容芯1为卷绕成圆筒状构造的薄膜电容，所述电容芯1数量为多个并采用电极2串联；所述外壳3为上部敞口的盒状结构，所述电容芯1及电极2设置在外壳3内，所述外壳3与电容芯1及电极2之间填充有树脂填充层4；所述电极2的一端与电容芯1相连，所述电极2的另一端露出在树脂填充层4的外部；所述外壳3的后侧两端设有固定板31。
进一步的，所述电极2的露出端上设有接线孔21。
进一步的，所述外壳3的两侧设有与固定板31连接的加强肋32。
进一步的，所述树脂填充层采用包括如下重量份组分：环氧树脂80-90份、增韧剂8-12份、环氧活性稀释剂8-15份、分散防沉剂0.5-1份、消泡剂0.5-1份、氧化锌20-25份、氮化硼30-35份、结晶二型聚磷酸铵3-5份、双季戊四醇12-15份；甲基四氢酸酐8-10份和甲基六氢二甲酸酐25-35份、固化促进剂0.3-0.8份、消泡剂0.3-0.5份。
所述的一种汽车电容器的制备方法，包括以下步骤：
步骤1、将电容芯用胶带纸并联两排进行缠绕，胶带纸缠绕2圈；
步骤2、焊接电极，将电极铜排按位置进行焊接，每个电极与每个电容芯焊接一个焊接点，然后将电容芯及电极放入外壳中并进行预固定；
步骤3、将液态树脂注入电容器塑的外壳中，液态树脂灌注面比外壳开口面低0.5mm,然后放入烘箱中，烘箱温度80℃，4小时后取出，检查灌注面是否有气泡和表面平整性，如有气泡则将气泡挑破并补充树脂；
步骤4、成品检验测试及包装。
Claims (5)
1.一种汽车电容器，其特征在于：包括电容芯、电极、外壳、树脂填充层，所述电容芯为卷绕成圆筒状构造的薄膜电容，所述电容芯数量为多个并采用电极串联；所述外壳为上部敞口的盒状结构，所述电容芯及电极设置在外壳内，所述外壳与电容芯及电极之间填充有树脂填充层；所述电极的一端与电容芯相连，所述电极的另一端露出在树脂填充层的外部；所述外壳的后侧两端设有固定板。
2.如权利要求1所述的一种汽车电容器，其特征在于：所述电极的露出端上设有接线孔。
3.如权利要求1所述的一种汽车电容器，其特征在于：所述外壳的两侧设有与固定板连接的加强肋。
4.如权利要求1所述的一种汽车电容器，其特征在于：所述树脂填充层采用包括如下重量份组分：环氧树脂80-90份、增韧剂8-12份、环氧活性稀释剂8-15份、分散防沉剂0.5-1份、消泡剂0.5-1份、氧化锌20-25份、氮化硼30-35份、结晶二型聚磷酸铵3-5份、双季戊四醇12-15份；甲基四氢酸酐8-10份和甲基六氢二甲酸酐25-35份、固化促进剂0.3-0.8份、消泡剂0.3-0.5份。
5.如权利要求1所述的一种汽车电容器的制备方法，其特征在于：包括以下步骤：
步骤1、将电容芯用胶带纸并联两排进行缠绕，胶带纸缠绕2圈；
步骤2、焊接电极，将电极铜排按位置进行焊接，每个电极与每个电容芯焊接一个焊接点，然后将电容芯及电极放入外壳中并进行预固定；
步骤3、将液态树脂注入电容器塑的外壳中，液态树脂灌注面比外壳开口面低0.5mm,然后放入烘箱中，烘箱温度80℃，4小时后取出，检查灌注面是否有气泡和表面平整性，如有气泡则将气泡挑破并补充树脂；
步骤4、成品检验测试及包装。
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