CN115074177B - 一种适用于电动摩托车轮毂油冷电机的液体介质组合物及其制备方法 - Google Patents

一种适用于电动摩托车轮毂油冷电机的液体介质组合物及其制备方法 Download PDF

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CN115074177B
CN115074177B CN202210788545.8A CN202210788545A CN115074177B CN 115074177 B CN115074177 B CN 115074177B CN 202210788545 A CN202210788545 A CN 202210788545A CN 115074177 B CN115074177 B CN 115074177B
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李成
张国茹
杜雪岭
雷凌
赵海鹏
闫淑颖
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Abstract

本发明提供了一种适用于电动摩托车轮毂油冷电机的液体介质组合物及其制备方法，以所述液体介质组合物的总质量为基准，所述液体介质组合物中包括：0.1～5重量％的摩擦改进剂、0.001～3重量％的防锈剂、0.01～2重量％的金属减活剂、0.005～0.5重量％的抗泡剂、0.01～3重量％的降凝剂、0.01～20重量％的黏度指数改进剂、0.1‑4重量％的抗氧剂和余量的基础油；所述抗氧剂选自2,6‑二叔丁基对甲酚、二烷基二苯胺、3,5‑二叔丁基‑4‑羟基苯基丙烯酸甲酯和4,4’‑亚甲基双(2,6‑二叔丁基酚)中的一种或几种；所述防锈剂选自十二烯基丁二酸、十二烯基丁二酸半脂和石油磺酸钡中的一种或几种。该组合物具有良好的抗磨保护、氧化安定性、防腐蚀性能和电机材料、密封材料兼容性。

Description

一种适用于电动摩托车轮毂油冷电机的液体介质组合物及其 制备方法
技术领域
本公开涉及液态冷却介质领域，具体地，涉及一种适用于电动摩托车轮毂油冷电机的液体介质组合物及其制备方法。
背景技术
为早日实现碳达峰碳中和战略目标，摩托车的电动化发展趋势越发明显。相比以柴油或者汽车为动力来源的传统燃油摩托车，电动摩托车使用清洁的电力作为动力驱动，能够降低能源消耗，节约资源，实现环境保护；同时，电动摩托车的车速高、加速性能好、爬坡能力强等优势，便于短途出行，认可度高，应用范围广。因此电动摩托车代替传统燃油摩托车是必然发展趋势。
新的动力单元发展，要求电动摩托车轮毂电机具有更加紧凑的结构，进而降低车重，提升续航里程；轮毂电机的润滑冷却普遍采用润滑脂和冷却液或者直接风扇冷却，这样的润滑冷却效果较差，影响电机效率。轮毂电机直接使用液体介质，一方面对轴承进行润滑，另一方面能直接通过液体介质，使得电机的散热性能更优，进而实现更高效的电机运转，实现更高的续航里程。而目前暂无针对电动摩托车轮毂电机油冷的液体介质。鉴于此，为实现轮毂电机的更高效润滑冷却，解决电动摩托车轮毂电机油冷的液体介质技术空白，特提出本发明。
发明内容
本公开的目的在于提供一种适用于电动摩托车轮毂油冷电机的液体介质组合物及其制备方法，该组合物具备优良的氧化安定性、防腐蚀性能、电气绝缘性能和电机材料、密封材料兼容性，能够完全满足电动摩托车的技术进步对液体介质的冷却需求，可完全适应电动摩托车的技术进步带来的对液体介质性能新的要求。
为了实现上述目的，本公开提供了一种适用于电动摩托车轮毂油冷电机的液体介质组合物，以所述液体介质组合物的总质量为基准，所述液体介质组合物中包括：
0.1～5重量％的摩擦改进剂、0.001～3重量％的防锈剂、0.01～2重量％的金属减活剂、0.005～0.5重量％的抗泡剂、0.01～3重量％的降凝剂、0.01～20重量％的黏度指数改进剂、0.1～4重量％的抗氧剂和余量的基础油；
所述抗氧剂选自2,6-二叔丁基对甲酚、二烷基二苯胺、3,5-二叔丁基-4-羟基苯基丙烯酸甲酯和4,4’-亚甲基双(2,6-二叔丁基酚)中的一种或几种；
所述防锈剂选自十二烯基丁二酸、十二烯基丁二酸半脂和石油磺酸钡中的一种或几种。
本公开第二方面提供了第一方面所述液体介质组合物的制备方法，该方法包括以下步骤：
(1)将所述摩擦改进剂、防锈剂、金属减活剂、抗氧剂、降凝剂、黏度指数改进剂、基础油按配比混合后在30～90℃搅拌1～3小时，得到第一混合液；
(2)以0.1～20滴/秒的滴加速率将抗泡剂加入到第一混合液中，并继续搅拌0.2～2小时。
通过上述技术方案，本公开具有多处有益效果：
(1)本公开提供的液体介质组合物具备优良的氧化安定性、防腐蚀性能、电气绝缘性能、优异电机材料和密封材料兼容性，可满足电动摩托车轮毂油冷电机的润滑冷却需求，可完全适应电动摩托车的技术进步对液体冷却介质性能新的要求。
(2)本发明提供的适用电动摩托车轮毂油冷电机液体介质组合物为首次提出，为电动摩托车轮毂电机的高效润滑冷却带来了可能。
本公开的其他特征和优点将在随后的具体实施方式部分予以详细说明。
具体实施方式
以下对本公开的具体实施方式进行详细说明。应当理解的是，此处所描述的具体实施方式仅用于说明和解释本公开，并不用于限制本公开。
本公开提供了一种液体介质组合物，以所述液体介质组合物的总质量为基准，所述液体介质组合物中包括：
0.1～5重量％的摩擦改进剂、0.001～3重量％的防锈剂、0.01～2重量％的金属减活剂、0.005～0.5重量％的抗泡剂、0.01～3重量％的降凝剂、0.01～20重量％的黏度指数改进剂、0.1～4重量％的抗氧剂和余量的基础油；
所述抗氧剂选自2,6-二叔丁基对甲酚、二烷基二苯胺、3,5-二叔丁基-4-羟基苯基丙烯酸甲酯和4,4’-亚甲基双(2,6-二叔丁基酚)中的一种或几种；
所述防锈剂选自十二烯基丁二酸、十二烯基丁二酸半脂和石油磺酸钡中的一种或几种。
根据本公开，以所述液体介质组合物的总质量为基准，所述液体介质组合物中包括：
0.1～3重量％的摩擦改进剂、0.02～2重量％的防锈剂、0.02～1.2重量％的金属减活剂、0.01～0.3重量％的抗泡剂、0.01～2重量％的降凝剂、0.1～10重量％的黏度指数改进剂、0.2～3重量％的抗氧剂和余量的基础油。
根据本公开，所述摩擦改进剂包括苯三唑脂肪胺盐、二烷基而硫代磷酸钼和硫化烯烃棉籽油中的一种或几种。
根据本公开，所述金属减活剂选自2,5-二巯基-1,3,4-噻二唑衍生物、甲基苯三唑衍生物和N,N-(2-乙基己基)-甲基-1H-苯并三唑-1-1甲苯中的一种或几种。
根据本公开，所述降凝剂包括富马酸酯-醋酸乙烯共聚物和/或聚甲基丙烯酸酯。
根据本公开，所述黏度指数改进剂选自乙烯丙烯共聚物、甲基丙烯酸甲酯、氢化苯乙烯-异戊二烯星型共聚物中的一种或几种；
根据本公开，所述抗泡剂选自聚甲基硅油、丙烯酸酯共聚物和氟改性的聚甲基硅油的一种或几种；
所述基础油选自矿物基础油、加氢基础油、聚亚烷基二醇、多元醇酯合成基础油、聚α-烯烃合成基础油和双酯类合成基础油中的一种或几种。
以所述液体介质组合物的总质量为基准，所述液体介质组合物中包括：
0.1～5重量％的硫化烯烃棉籽油、0.001～3重量％的十二烯基丁二酸、0.01～2重量％的N,N-(2-乙基己基)-甲基-1H-苯并三唑-1-1甲苯、0.01～0.5重量％的氟改性的聚甲基硅油、0.1～4重量％的2,6-二叔丁基对甲酚和4,4’-亚甲基双(2,6-二叔丁基酚)、0.01～3重量％的聚甲基丙烯酸酯和0.01～20重量％的乙烯丙烯共聚物和余量的基础油。
根据本公开，以所述液体介质组合物的总质量为基准，所述液体介质组合物中包括：
0.2重量％的硫化烯烃棉籽油、0.22重量％的十二烯基丁二酸、0.5重量％的N,N-(2-乙基己基)-甲基-1H-苯并三唑-1-1甲苯、0.01重量％的氟改性的聚甲基硅油、3重量％的2,6-二叔丁基对甲酚和4,4’-亚甲基双(2,6-二叔丁基酚)、0.02重量％的聚甲基丙烯酸酯和0.1～3重量％的乙烯丙烯共聚物和余量的基础油。
本公开第二方面提供了第一方面所述液体介质组合物的制备方法，该方法包括以下步骤：
(1)将所述摩擦改进剂、防锈剂、金属减活剂、抗氧剂、降凝剂、黏度指数改进剂、基础油按配比混合后在30～90℃搅拌1～3小时，得到第一混合液；
(2)以0.1～20滴/秒的滴加速率将抗泡剂加入到第一混合液中，并继续搅拌0.2～2小时。
以下结合实施例进一步详细说明本发明，但是本发明的范围并不限制于以下实施例中。
液体介质基本性能方面，运动黏度用GB/T 265《石油产品运动粘度测定法和动力粘度计算法》测试；黏度指数用GB/T 1995《石油产品粘度指数计算法》测试；倾点用GB/T3535《石油产品倾点测定法》测试；铜片腐蚀用GB/T 5096《石油产品铜片腐蚀的试验方法》；抗磨性能用磨斑直径体现，用NB/SH/T 0189《润滑油抗磨损性能的测定四球法》分析；氧化安定性用CEC L-48-00《自动传动液氧化安定性的测定》评价；用GB/T 5654-2007《液体材料相对电容率、介质损耗因数和直流电阻率的测量》测试液体介质的体积电阻率，评价液体介质电气绝缘性能；用ASTM D7896《用瞬态热线液体热导率法测定发动机冷却剂和相关流体的热导率、热扩散率和体积热容量的标准试验方法》测试液体介质导热系数，评价液体介质的冷却性能；用NB/SH/T 0877《润滑油橡胶相容性测试法》评价液体介质对材料的兼容性情况；用团体标准TCEEIA 415《新能源汽车驱动电机绝缘结构技术要求》评价电机绝缘材料与液体介质的兼容性情况。
实施例1
本实施例液体介质组合物的制备方法：(1)将各组分按配比混合后在50℃下搅拌2小时，得到第一混合液；(2)以5滴/秒的滴加速率将抗泡剂加入到第一混合液中，并继续搅拌1小时。
具体组分及含量如表1所示。
实施例2-4
本实施例制备方法与实施例1相同，不同之处在于组分含量不同，具体组分及含量如表1所示。
对比例1-2
本对比例与实施例1制备方法相同，不同之处在于组分及其含量不同，具体组分及含量如表1所示。
本公开实施例1～4和对比例1～2中所述的适用电动摩托车轮毂油冷电机液体介质组合物具体成分和产品性能见表1。
注：(1)铜片腐蚀等级：1级最好，4级最差，且每一级中a优于b，b优于c；
根据表1可见，实施例1～4中按照本公开的液体介质组合物配比，制备得到的电动摩托车轮毂油冷电机液体介质组合物具备优良的氧化安定性、防腐蚀性能和电极材料、电气绝缘性能和电机材料、密封材料兼容性。而对比例1～2中所述的适用电动摩托车轮毂油冷电机液体介质组合物，在抗氧化、抗金属腐蚀和与电机材料的兼容性方面存在性能不足，不能满足电动摩托车轮毂油冷电机的润滑冷却需求。因此，本公开的适用电动摩托车轮毂油冷电机液体介质组合物，可完全适应电动摩托车的技术进步带来的对液体介质性能新的要求。
以上详细描述了本公开的优选实施方式，但是，本公开并不限于上述实施方式中的具体细节，在本公开的技术构思范围内，可以对本公开的技术方案进行多种简单变型，这些简单变型均属于本公开的保护范围。
另外需要说明的是，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合。为了避免不必要的重复，本公开对各种可能的组合方式不再另行说明。
此外，本公开的各种不同的实施方式之间也可以进行任意组合，只要其不违背本公开的思想，其同样应当视为本公开所公开的内容。

Claims (2)

1.一种适用于电动摩托车轮毂油冷电机的液体介质组合物，其中，以所述液体介质组合物的总质量为基准，所述液体介质组合物中包括：
0.2重量%的硫化烯烃棉籽油、0.22重量%的十二烯基丁二酸、0.5重量%的N,N-（2-乙基己基）-甲基-1H-苯并三唑-1-1甲苯、0.01重量%的氟改性的聚甲基硅油、1重量%的2,6-二叔丁基对甲酚和2重量%的4,4’-亚甲基双（2,6-二叔丁基酚）、0.02重量%的聚甲基丙烯酸酯和2重量%的乙烯丙烯共聚物和余量的基础油。
2.权利要求1所述的液体介质组合物的制备方法，其特征在于，所述方法包括如下步骤：
（1）将摩擦改进剂、防锈剂、金属减活剂、抗氧剂、降凝剂、黏度指数改进剂、基础油按配比混合后在30~90℃下搅拌1~3小时，得到第一混合液；
（2）以0.1~20滴/秒的滴加速率将抗泡剂加入到第一混合液中，并继续搅拌0.2~2小时。
CN202210788545.8A 2022-07-04 2022-07-04 一种适用于电动摩托车轮毂油冷电机的液体介质组合物及其制备方法 Active CN115074177B (zh)

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