小米YU7刹车片起火！小米汽车回应

滚动播报2025-06-30

来源：半岛都市报　　日前，有媒体发布了在赛道测试小米YU7时刹车片起火的视频。小米汽车28日回应称，视频中，小米YU7 Max在天津V1赛车场进行1个暖胎圈+1个飞行圈后，在未进行散热圈的极端情况下，直接驻车，高温导致制动片有机物材料发生起火，但制动系统整体未出现任何制动失效等问题，功能健全，使用正常。　　全文如下：　　问：看到有媒体在赛道测试小米YU7时刹车片起火了，这是什么情况？　　...

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(HKD) ACC"},"translate_title":"Xiaomi YU7 brake pads caught fire! Xiaomi Motors responds","themeId":"2b38986d60e36a00400cb7676d0af8ae","isJumpTheme":false,"ttsUrl":null,"symbols_score_info":{"81810":0.6,"MIUmain":1,"XIACY":0.6,"HXXD.SI":0.6,"01810":1},"content_text":"来源：半岛都市报\n　　日前，有媒体发布了在赛道测试小米YU7时刹车片起火的视频。小米汽车28日回应称，视频中，小米YU7 Max在天津V1赛车场进行1个暖胎圈+1个飞行圈后，在未进行散热圈的极端情况下，直接驻车，高温导致制动片有机物材料发生起火，但制动系统整体未出现任何制动失效等问题，功能健全，使用正常。\n\n　　全文如下：\n　　问：看到有媒体在赛道测试小米YU7时刹车片起火了，这是什么情况？\n　　答：视频中，小米YU7 Max在天津V1赛车场进行1个暖胎圈+1个飞行圈后，在未进行散热圈的极端情况下，直接驻车，高温导致制动片有机物材料发生起火，但制动系统整体未出现任何制动失效等问题，功能健全，使用正常。\n　　此外，测试车辆未使用小米YU7 Max大师模式中的“能量回收增强”功能。该功能会增强赛道工况下的能量回收强度，降低机械制动系统的负荷，即便出现ABS抱死情况，依然可以提供最大0.2G的制动能量回收，有效减少制动系统温度超过600℃的极端情况发生。\n　　在赛道驾驶时，车辆往往需要频繁在超高速行驶中紧急制动，此时制动系统承受的负荷将远高于日常驾驶。在这种工况下，制动盘温度会急剧上升，若未采取有效散热，将引发材料起火。同时，小米YU7作为中大型SUV，相比尺寸更小的SUV车重更高，同时高动力带来的赛道尾速更快，制动系统在猛烈制动过程中产热也会更加明显。因此，有效散热是非常关键且基本的赛道驾驶常识。\n　　小米YU7 Max采用低金属制动片，材料包含金属纤维、磨料、树脂等有机物。树脂及其他有机物在高温下（一般大于300℃）产生聚合物支链裂解反应产生部分气体，如水分、一氧化碳、二氧化碳、烷基、芳香族气体等，其中部分可燃气体在高温（一般制动盘温度＞600℃）及氧气充足的环境下可能会产生短暂明火现象。这属于一种正常的物理现象，但制动性能不会失效。\n　　小米YU7定位于城市豪华高性能SUV，我们强烈倡议大家注意驾驶安全，未经过专业升级与整备的原厂车，不要贸然进行赛道尝试。需要在充分了解产品性能边界及专业驾驶知识的前提下，再进行驾驶技能的逐步学习与进阶。若尝试进行专业赛道驾驶，也需要对于车辆的轮胎、制动系统及散热进行必要的升级，并使用大师模式且打开能量回收增强功能，避免在极端工况下出现安全隐患。\n　　--------------------\n　　●来源：中国新闻网、@小米汽车等\n\n\n海量资讯、精准解读，尽在新浪财经APP\n\n责任编辑：石秀珍 SF183","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"-1","news_tag":"productRelease","news_rank":0,"symbols":[],"gpt_button":0,"need_auth":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","isDev":false,"isTTM":false,"tenantId":"TBCN","deviceId":"web-server-community-laohu8-v3","version":"4.36.2","shortVersion":"4.36.2","platform":"web","vendor":"web","appName":"laohu8","isIOS":false,"isAndroid":false,"isTiger":false,"isTHS":false,"isWeiXin":false,"isWeiXinMini":false,"isWeiBo":false,"isQQ":false,"isBaiduSwan":false,"isBaiduBox":false,"isDingTalk":false,"isToutiao":false,"isOnePlus":false,"isHuaWei":false,"isXiaomi":false,"isXiaomiWebView":false,"isOppo":false,"isVivo":false,"isSamsung":false,"isMobile":false},"href":"/m/news/2547354810","isCrawlerRequest":true}