[{"data":1,"prerenderedAt":248},["ShallowReactive",2],{"article-20260403":3,"article-related-20260403":241},{"doc":4},{"id":5,"title":6,"body":7,"category":228,"coverImage":229,"date":230,"description":13,"extension":231,"featured":232,"highlights":233,"meta":234,"navigation":232,"path":235,"seo":236,"sortOrder":237,"stem":238,"summary":239,"__hash__":240},"articles/articles/20260403.md","保姆级深入浅出聊聊JTT808车载监控",{"type":8,"value":9,"toc":221},"minimark",[10,14,17,22,25,38,42,47,54,57,68,80,84,89,92,106,115,119,122,127,132,135,146,150,155,158,171,180,184,189,192,195,198,205,209,212,218],[11,12,13],"p",{},"如果你在路上看到网约车、大货车、公交车、危险品运输车等营运车辆，有心的你可能会注意到驾驶台或挡风玻璃上有若干个摄像头和一个时不时闪灯的黑盒子。",[11,15,16],{},"普通用户可能会把这套设备当成行车记录仪，但在一个专业的车载监控系统开发者眼中，这是一个移动的物联网中心。今天我们就剥开外壳，看看这套被成为车载监控的系统到底是什么。",[18,19,21],"h2",{"id":20},"一车载监控系统的铁三角架构","一.车载监控系统的铁三角架构",[11,23,24],{},"在聊监控内容之前，我们得先知道这套系统是怎么运转的。监控系统由三部分组成：",[26,27,28,32,35],"ul",{},[29,30,31],"li",{},"车载终端：俗称定位器、视频一体机、黑匣子等，由终端负责采集数据。",[29,33,34],{},"监控平台：基于部标jtt808、jtt809、jtt1078等协议开发的一套软件系统，由监控平台负责接收、存储和分析数据。",[29,36,37],{},"运营管理：通常是一个电脑管理端，看着和OA系统、CRM系统等常见的电脑软件系统类似，此端主要给政府、企业等人员使用或操作。",[18,39,41],{"id":40},"二车载监控系统到底在监控什么","二.车载监控系统到底在监控什么？",[43,44,46],"h4",{"id":45},"_21-轨迹与状态车辆在哪里","2.1 轨迹与状态：车辆在哪里",[11,48,49],{},[50,51],"img",{"alt":52,"src":53},"","/articles/images/track.png",[11,55,56],{},"这是最基础的，基于JTT808协议实现。",[26,58,59,62,65],{},[29,60,61],{},"速度：实时车速",[29,63,64],{},"位置：经纬度、海拔",[29,66,67],{},"状态：ACC、各种基础报警",[69,70,71],"blockquote",{},[11,72,73],{},[74,75,76],"em",{},[77,78,79],"strong",{},"说人话：就像你的手机定位，但更精准，且每隔几秒就必须向服务器打一次卡。",[43,81,83],{"id":82},"_22-音视频现场发生了什么","2.2 音视频：现场发生了什么",[11,85,86],{},[50,87],{"alt":52,"src":88},"/articles/images/video.png",[11,90,91],{},"基于JTT1078协议实现",[26,93,94,97,100,103],{},[29,95,96],{},"多路实时画面：可以同时查看多个摄像头，比如驾驶舱、前面、后面、车厢、上下车门等",[29,98,99],{},"远程云台控制：如果摄像头支持转动，后台可以远程控制旋转、缩放",[29,101,102],{},"录像远程回放：可以调取存储在设备终端SD卡或硬盘里的历史录像，像在视频网站看视频一样，可以任意拖动、快进、快退",[29,104,105],{},"语音对讲：平台下发语音，司机通过车载喇叭听到，然后通过手咪实现双向沟通",[69,107,108],{},[11,109,110],{},[74,111,112],{},[77,113,114],{},"说人话：就像给车安装了一套定制版的移动直播系统，操作人员坐在办公室可以像打开直播间列表，想看哪台车就看哪台车。",[43,116,118],{"id":117},"_23-主动安全事故预防针","2.3 主动安全：事故预防针",[11,120,121],{},"这是目前行业最硬核的领域，主要由ADAS和DSM两大AI模块组成，它们不只是简单的传感器，更是两双24小时不眨眼的眼睛。",[123,124,126],"h5",{"id":125},"_231-adas高级驾驶辅助系统盯着路况","2.3.1 ADAS(高级驾驶辅助系统)：盯着路况",[11,128,129],{},[50,130],{"alt":52,"src":131},"/articles/images/adas.png",[11,133,134],{},"基于车头前方的摄像头，实时计算车辆与周围环境的关系，像一名经验丰富的老司机盯着周围情况：",[26,136,137,140,143],{},[29,138,139],{},"前车碰撞预警：实时计算与前车的相对速度和距离，当系统判断到两车即将追尾时会立即触发警报",[29,141,142],{},"车道偏离预警：实时识别车道线，如果车辆在没有开启转向灯的情况下偏离车道，系统会发出提醒",[29,144,145],{},"更多报警......",[123,147,149],{"id":148},"_232-dsm驾驶员行为监测系统盯着司机纠正违章","2.3.2 DSM(驾驶员行为监测系统)：盯着司机，纠正违章",[11,151,152],{},[50,153],{"alt":52,"src":154},"/articles/images/dsm.png",[11,156,157],{},"基于驾驶座上方的红外摄像头，即使司机戴着墨镜或在漆黑的夜晚，依然能精准捕捉面部细微动作：",[26,159,160,163,166,169],{},[29,161,162],{},"疲劳驾驶监测：通过检测闭眼频率、垂头角度、打哈欠时长等判断司机是否进入了疲劳状态",[29,164,165],{},"分心驾驶监测：识别司机长时间侧头(看窗外)、低头(玩手机)或者视线长时间偏离前方道路行为",[29,167,168],{},"抽烟打电话监测：自动识别司机点烟、持烟或拿手机贴近耳边动作",[29,170,145],{},[69,172,173],{},[11,174,175],{},[74,176,177],{},[77,178,179],{},"说人话：如果说1078视频是事后查监控，那么主动安全就是事前发预警。系统不仅会当场提醒司机，还会自动抓拍报警瞬间的图片和视频上传到平台(通常是3张图片1条短视频)。这也是为什么操作人员可以在电脑上就能看到司机几分几秒抽烟、打电话。",[18,181,183],{"id":182},"三数据的归宿从眼睛到大脑","三.数据的归宿：从“眼睛”到“大脑”",[11,185,186],{},[50,187],{"alt":52,"src":188},"/articles/images/big_data.png",[11,190,191],{},"说到这里，你可能会问，每天产生几万条位置数据、报警数据、图片和视频等，人眼能看得过来吗？",[11,193,194],{},"这时候，监控平台就展现出了作为大脑的一面。监控平台会自动把成千上万条碎片化原始数据变成可视化的运营仪表盘。比如，自动计算每台车跑了多少里程、谁疲劳驾驶最多、哪台车油耗异常；对于冷链车，车载监控系统会盯着温度有没有超过设定阈值；对于渣土车会监测车厢有没有在非合规区域举升倾倒。",[11,196,197],{},"监控系统把冷冰冰的代码数据翻译成了管理者最关心的问题：“省了多少油”、“谁在乱开车”、“货有没有坏”、“哪辆车在哪里违规”等。",[69,199,200],{},[11,201,202],{},[74,203,204],{},"(注：这些传感器接入、应用场景等涉及到比较庞大的数据挖掘逻辑，这篇文章只是一个基础扫盲，后续单开一篇细聊。)",[18,206,208],{"id":207},"四写在最后","四.写在最后",[11,210,211],{},"现在，我们再回过头来看驾驶台上那个时不时闪灯的黑盒子，它已经不再是一个简单的行车记录仪了。以JTT808协议为骨架，连接JTT1078视频神经和ADAS/DSM的AI小脑，黑盒子已经变成了一个标准的移动物联网终端。",[11,213,214,215],{},"对于普通人或者司机来说，它可能代表着“被监督”，但对于整个社会来说，它是一道隐形的防线---------拦住了打瞌睡的大车司机，护住了冷链箱里的疫苗，也盯住了违规倾倒的渣土车。",[50,216],{"alt":52,"src":217},"/articles/images/warm.png",[11,219,220],{},"这，就是车载监控系统存在的真正意义。",{"title":52,"searchDepth":222,"depth":222,"links":223},2,[224,225,226,227],{"id":20,"depth":222,"text":21},{"id":40,"depth":222,"text":41},{"id":182,"depth":222,"text":183},{"id":207,"depth":222,"text":208},"技术文档","/images/index_realtime.png","2026年4月","md",true,null,{},"/articles/20260403",{"title":6,"description":13},100,"articles/20260403","介绍JTT808、JTT1078、ADAS、DSM是什么，有哪些应用场景","FMVK3Sg8MXXBgC5Ygx66-lYM-dJCM8EDyk2_mhS6_3I",[242],{"id":243,"title":244,"coverImage":245,"date":246,"sortOrder":247},"articles/articles/tech-doc-api-integration.md","北斗安心联API接口集成指南","https://miaoda-site-img.cdn.bcebos.com/images/baidu_image_search_e4770393-06ca-4b43-ac79-86d9cd53f003.jpg","2024年12月",50,1775261451806]