冬季冷车水温油温变化趋势监测
[{"id":"83b2878d15e9cdbc","type":1,"content":"监测对象:\n1.发动机冷却液温度:原车仪表无数值参考,采用OBD读数。顺便可以看到仪表指针与实际数据的对应关系(实际上LSY发动机有多个水温传感器,此数值为综合计算值。)\n2.发动机机油温度:原车仪表有大致数值参考。据信数值采集于油底壳内机油温度,而非发动机流道内。\n3.变速箱油温度:原车仪表无此数据,采用OBD读数。\n\n测试环境:\n车库 14摄氏度\n室外 9摄氏度\n\n总测试里程15公里,其中大部分是高架路。\n总用时28分钟\n\n下面是详细过程记录(照片采用副驾辅助固定机位拍摄,驾驶安全无影响)","order":1},{"id":"27c0a424b42dfa53","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/64dbf3e8ec4447168a2205b9dbda3d2e_800_0_max_jpg.jpg","order":2,"note":"","width":4000,"height":2250},{"id":"7b1cd93b1a083bb8","type":1,"content":"冷车起步时状态\n起始里程数30217\n请注意图上注解各处数据的位置。\n因车库较为温暖,大约14摄氏度,故各项油液起点温度较高。\n此时\n水温19度\n机油小于40度,估计在16-19之间,不会高过水温也不会低过变速箱油温度\n变速箱油16度","order":3},{"id":"623e117b0ef292ce","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/a5fc81b2065446598b5c7b0ac2222d0b_800_0_max_jpg.jpg","order":4,"note":"","width":2250,"height":4000},{"id":"2e993f5269bf622f","type":1,"content":"行驶1公里后\n里程数30218\n此时\n水温56度\n机油约50度\n变速箱油27度","order":5},{"id":"29d28a8cac9c0997","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/cff3e6695fec4a9ea50b11de0ea01b9f_800_0_max_jpg.jpg","order":6,"note":"","width":2250,"height":4000},{"id":"b4a57a89c82439b1","type":1,"content":"行驶2公里后\n里程数30219\n此时\n水温61度\n机油约55度\n变速箱油29度","order":7},{"id":"1c9b3c1c52f0b862","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/741212aa3a1e4c80b3db02758c631a15_800_0_max_jpg.jpg","order":8,"note":"","width":4000,"height":2250},{"id":"c1e31e5df4029683","type":1,"content":"同为行驶2公里后\n里程数30219\n可以看到室外温度为9摄氏度\n此时\n水温64度\n机油约58度\n变速箱油32度\n\n此时正行驶到高架桥入口","order":9},{"id":"e33e666c2d7e27bc","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/a20480f24dde49d4a6eaa7e52d5cec7c_800_0_max_jpg.jpg","order":10,"note":"","width":2250,"height":4000},{"id":"4a078b5a4b26b2f6","type":1,"content":"行驶6公里后\n里程数30223\n此时\n水温81度,已达热车水温\n机油约75度\n变速箱油46度","order":11},{"id":"059967c4025cd4c2","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/02ff9ab157774f69838647c200509ade_800_0_max_jpg.jpg","order":12,"note":"","width":2250,"height":4000},{"id":"b4bb41e8d52c8429","type":1,"content":"行驶9公里后\n里程数30226\n此时\n水温87度\n机油约80度\n变速箱油依然只有55度","order":13},{"id":"f6f1b1892a69049a","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/b612ae3d2b9841378b4453bde64155de_800_0_max_jpg.jpg","order":14,"note":"","width":2250,"height":4000},{"id":"3d09a664b911d379","type":1,"content":"行驶12公里后\n里程数30229\n此时\n水温92度\n机油约90度\n变速箱油64度\n\n此时依然在高架桥上","order":15},{"id":"cf35f6e2e60e2dab","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/2fb60013e3dc4adc91303096087421a5_800_0_max_jpg.jpg","order":16,"note":"","width":4000,"height":2250},{"id":"14f0d2bebecc09c9","type":1,"content":"下高架\n此时已行驶13公里\n里程数30230\n此时\n水温94度\n机油约92度\n变速箱油72度","order":17},{"id":"56dbcc5618a18f94","type":2,"content":"https://img3.baa.bitautotech.com/img/V2img3.baa.bitautotech.com/dzusergroupFiles/2021/12/19/acc4c49e1cb44ec48f7b121bf84af8ce_800_0_max_jpg.jpg","order":18,"note":"","width":2250,"height":4000},{"id":"e6ec141385da5baa","type":1,"content":"下高架后继续行驶2公里,此时总体已行驶15公里,共用时28分钟\n里程数30232\n此时\n水温94度\n机油约99度\n变速箱油终于达到了83度\n\n\n总结:\n1.冷车启动后水温上升最快,机油温度其次,变速箱油温上升最慢。道理也很简单,离热源(汽缸)太远了。\n2.机油温度与水温上升速率较为接近,故平时冷车启动后只要关注水温上升情况,基本不用单独再看机油温度。\n3.AT变速箱油的作用不仅是润滑,更要充当变速箱换挡执行机构的液压油。大家都知道AT变速箱的节流阀板复杂无比,故在油温未升至正常水平前是有可能出现动作迟滞等顿挫问题的。而冬季气温低,会比夏天需要更长的行驶才能使变速箱油升温。此次监测足足15公里28分钟才使变速箱油升到83度,便是很说明这个问题。\n\n当然,变速箱没有那么脆弱,车该怎么开就怎么开,没必要因噎废食。\n只是冬天冷车时偶尔感觉变速箱顿挫不必觉得奇怪便是。","order":19}]