从2007年左右开(kai)(kai)始(shi)到现在，EHB技术开(kai)(kai)始(shi)进(jin)(jin)入(ru)网络(luo)整(zheng)合时(shi)代(dai)。制动(dong)系(xi)(xi)统(tong)(tong)(tong)不再是(shi)一(yi)个单(dan)独的(de)(de)系(xi)(xi)统(tong)(tong)(tong)，电子控制单(dan)元将(jiang)它和(he)(he)转(zhuan)向系(xi)(xi)统(tong)(tong)(tong)、动(dong)力(li)系(xi)(xi)统(tong)(tong)(tong)及辅(fu)助驾驶系(xi)(xi)统(tong)(tong)(tong)通(tong)过网络(luo)进(jin)(jin)行集中控制。该系(xi)(xi)统(tong)(tong)(tong)对动(dong)力(li)系(xi)(xi)统(tong)(tong)(tong)、转(zhuan)向系(xi)(xi)统(tong)(tong)(tong)和(he)(he)制动(dong)系(xi)(xi)统(tong)(tong)(tong)等主要(yao)总成(cheng)进(jin)(jin)行集中控制，通(tong)过传感(gan)(gan)器(qi)采集驾驶员(yuan)的(de)(de)驾驶状(zhuang)(zhuang)况和(he)(he)汽(qi)车(che)行驶状(zhuang)(zhuang)态，在汽(qi)车(che)动(dong)态达到不稳(wen)定(ding)行驶临界状(zhuang)(zhuang)态前就开(kai)(kai)始(shi)控制，以便(bian)保持汽(qi)车(che)的(de)(de)稳(wen)定(ding)性，进(jin)(jin)一(yi)步提高(gao)了该车(che)的(de)(de)驾驶稳(wen)定(ding)性能和(he)(he)主动(dong)安全性能。系(xi)(xi)统(tong)(tong)(tong)的(de)(de)响应(ying)时(shi)间更快，压(ya)力(li)波动(dong)跟小，并(bing)能明显改善驾驶员(yuan)制动(dong)时(shi)的(de)(de)感(gan)(gan)觉。EHB用一(yi)个综(zong)合制动(dong)模(mo)块取(qu)代(dai)传统(tong)(tong)(tong)制动(dong)器(qi)中的(de)(de)压(ya)力(li)调节(jie)器(qi)和(he)(he)ABS模(mo)块。扬州(zhou)踏板行程(cheng)传感(gan)(gan)器(qi)

EHB该系统(tong)可以非(fei)常方(fang)便(bian)地替代传统(tong)的(de)(de)(de)真空助力器，实现(xian)更多的(de)(de)(de)功能(neng)(neng)(neng)、更优(you)的(de)(de)(de)性(xing)能(neng)(neng)(neng)、更低的(de)(de)(de)整(zheng)(zheng)车(che)成本，已(yi)经为国(guo)内乘用车(che)、商用车(che)、无(wu)人(ren)车(che)等百余款车(che)型(xing)配套。EHB具有(you)以下亮点：高(gao)(gao)(gao)精度、快速响应、高(gao)(gao)(gao)建压能(neng)(neng)(neng)力、高(gao)(gao)(gao)可靠性(xing)的(de)(de)(de)主动(dong)(dong)(dong)制(zhi)(zhi)动(dong)(dong)(dong)力控(kong)制(zhi)(zhi)，满(man)足智(zhi)能(neng)(neng)(neng)驾(jia)(jia)(jia)驶(shi)(shi)(shi)、无(wu)人(ren)驾(jia)(jia)(jia)驶(shi)(shi)(shi)对制(zhi)(zhi)动(dong)(dong)(dong)系统(tong)性(xing)能(neng)(neng)(neng)的(de)(de)(de)高(gao)(gao)(gao)要求提(ti)供(gong)完整(zheng)(zheng)的(de)(de)(de)智(zhi)能(neng)(neng)(neng)驾(jia)(jia)(jia)驶(shi)(shi)(shi)制(zhi)(zhi)动(dong)(dong)(dong)系统(tong)硬(ying)件模(mo)(mo)(mo)块，具有(you)很强(qiang)的(de)(de)(de)可扩展性(xing)，可便(bian)捷(jie)地实现(xian)多种智(zhi)能(neng)(neng)(neng)驾(jia)(jia)(jia)驶(shi)(shi)(shi)功能(neng)(neng)(neng)高(gao)(gao)(gao)性(xing)能(neng)(neng)(neng)的(de)(de)(de)制(zhi)(zhi)动(dong)(dong)(dong)能(neng)(neng)(neng)量回收控(kong)制(zhi)(zhi)算法，大幅提(ti)高(gao)(gao)(gao)新(xin)能(neng)(neng)(neng)源汽车(che)的(de)(de)(de)续(xu)驶(shi)(shi)(shi)里程机械/液压+电控(kong)式制(zhi)(zhi)动(dong)(dong)(dong)感觉模(mo)(mo)(mo)拟方(fang)案(an)，支持运动(dong)(dong)(dong)型(xing)、舒适(shi)型(xing)不同模(mo)(mo)(mo)式制(zhi)(zhi)动(dong)(dong)(dong)感觉选择，提(ti)供(gong)优(you)异(yi)的(de)(de)(de)驾(jia)(jia)(jia)驶(shi)(shi)(shi)体验支持坡道起(qi)步辅(fu)助、陡坡缓(huan)降(jiang)、舒适(shi)停车(che)、Autohold等多种功能(neng)(neng)(neng)，改(gai)善驾(jia)(jia)(jia)驶(shi)(shi)(shi)的(de)(de)(de)便(bian)利性(xing)紧(jin)急制(zhi)(zhi)动(dong)(dong)(dong)辅(fu)助功能(neng)(neng)(neng)（EBA），缩短紧(jin)急制(zhi)(zhi)动(dong)(dong)(dong)下的(de)(de)(de)制(zhi)(zhi)动(dong)(dong)(dong)距离，提(ti)高(gao)(gao)(gao)安全性(xing)实时(shi)故障监测与备(bei)份制(zhi)(zhi)动(dong)(dong)(dong)功能(neng)(neng)(neng)，保证驾(jia)(jia)(jia)驶(shi)(shi)(shi)安全。上海踏板行程传感器直销EHB通过分析(xi)判断决策出各制(zhi)(zhi)动(dong)(dong)(dong)器所需较好的(de)(de)(de)制(zhi)(zhi)动(dong)(dong)(dong)力，达到良好制(zhi)(zhi)动(dong)(dong)(dong)效果。

当(dang)今汽(qi)车新(xin)(xin)四化(hua)(hua)发展——电(dian)动(dong)(dong)(dong)(dong)化(hua)(hua)、智能(neng)化(hua)(hua)、网(wang)联化(hua)(hua)、共(gong)享化(hua)(hua)，对汽(qi)车制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)提出了(le)(le)很多新(xin)(xin)的(de)需求(qiu)，传(chuan)统(tong)(tong)(tong)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)已难以满足，新(xin)(xin)型(xing)的(de)线控(kong)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)应(ying)运(yun)而生。线控(kong)电(dian)子液压(ya)(ya)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)（Electro-HydraulicBrakingSystem，EHB）是一(yi)种先进的(de)电(dian)控(kong)化(hua)(hua)的(de)新(xin)(xin)型(xing)汽(qi)车制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)。由内置踏(ta)板位(wei)移(yi)传(chuan)感器(qi)(qi)、踏(ta)板感觉模拟器(qi)(qi)、电(dian)机、减速(su)传(chuan)动(dong)(dong)(dong)(dong)机构、制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)主(zhu)缸(gang)、壳体(ti)、控(kong)制(zhi)(zhi)(zhi)(zhi)器(qi)(qi)等组(zu)成。传(chuan)统(tong)(tong)(tong)的(de)真空助力(li)(li)器(qi)(qi)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)是一(yi)种依(yi)靠真空实现(xian)助力(li)(li)的(de)纯(chun)机械的(de)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)，而线控(kong)电(dian)子液压(ya)(ya)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)以电(dian)机为动(dong)(dong)(dong)(dong)力(li)(li)源，摆脱真空依(yi)赖(lai)，并引入了(le)(le)电(dian)控(kong)单元和(he)多种传(chuan)感器(qi)(qi)，使得制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)实现(xian)电(dian)控(kong)化(hua)(hua)。与传(chuan)统(tong)(tong)(tong)真空助力(li)(li)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)相比，线控(kong)电(dian)子液压(ya)(ya)制(zhi)(zhi)(zhi)(zhi)动(dong)(dong)(dong)(dong)系(xi)统(tong)(tong)(tong)具有诸多优势(shi)。

EHB系(xi)(xi)统(tong)(tong)以电(dian)(dian)(dian)子(zi)元件加(jia)以替(ti)代(dai)原始制动(dong)系(xi)(xi)统(tong)(tong)中的部分机械(xie)元件，制动(dong)系(xi)(xi)统(tong)(tong)中原有的液(ye)压(ya)系(xi)(xi)统(tong)(tong)不作(zuo)大的改变。这样可以由液(ye)压(ya)系(xi)(xi)统(tong)(tong)提(ti)供(gong)(gong)动(dong)力(li)，电(dian)(dian)(dian)子(zi)系(xi)(xi)统(tong)(tong)提(ti)供(gong)(gong)柔性(xing)控(kong)制，是机电(dian)(dian)(dian)液(ye)一(yi)体化(hua)的高(gao)新技(ji)术产品，有很大的发展潜力(li)。EHB系(xi)(xi)统(tong)(tong)的主(zhu)(zhu)要包(bao)括(kuo)(kuo)两个部分：液(ye)压(ya)执行(xing)机构(gou)主(zhu)(zhu)要包(bao)括(kuo)(kuo)：高(gao)压(ya)蓄能(neng)器(qi)(qi)，液(ye)压(ya)泵，制动(dong)液(ye)储(chu)油杯，进(jin)、出液(ye)电(dian)(dian)(dian)磁阀等，电(dian)(dian)(dian)子(zi)控(kong)制单(dan)元主(zhu)(zhu)要包(bao)括(kuo)(kuo)：传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)信号输入单(dan)元，主(zhu)(zhu)控(kong)单(dan)元，执行(xing)器(qi)(qi)驱动(dong)单(dan)元，及(ji)一(yi)系(xi)(xi)列传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)：包(bao)括(kuo)(kuo)档(dang)位传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，方(fang)向盘(pan)转角传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，横摆角速度传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，制动(dong)踏(ta)板(ban)(ban)行(xing)程传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，油门踏(ta)板(ban)(ban)行(xing)程传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，离(li)合器(qi)(qi)行(xing)程传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，轮速传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)和压(ya)力(li)传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，纵(zong)向及(ji)侧向加(jia)速度传(chuan)(chuan)(chuan)感(gan)器(qi)(qi)等。EHB能(neng)完(wan)全单(dan)独(du)于制动(dong)踏(ta)板(ban)(ban)而进(jin)行(xing)制动(dong)。

新能(neng)(neng)源(yuan)(yuan)车(che)(che)(che)(che)EHB的渗透率高(gao)于(yu)(yu)(yu)(yu)燃(ran)油车(che)(che)(che)(che)：2019年(nian)(nian)新能(neng)(neng)源(yuan)(yuan)车(che)(che)(che)(che)EHB渗透率在(zai)17%左右(you)，明显高(gao)于(yu)(yu)(yu)(yu)2019年(nian)(nian)EHB在(zai)燃(ran)油车(che)(che)(che)(che)2%左右(you)的渗透率。我们认为(wei)是由于(yu)(yu)(yu)(yu)新能(neng)(neng)源(yuan)(yuan)车(che)(che)(che)(che)在(zai)真空助力、能(neng)(neng)量回收等(deng)方面的需求，EHB产品对于(yu)(yu)(yu)(yu)新能(neng)(neng)源(yuan)(yuan)车(che)(che)(che)(che)性价比更高(gao)，预(yu)(yu)计(ji)(ji)2025年(nian)(nian)EHB在(zai)新能(neng)(neng)源(yuan)(yuan)车(che)(che)(che)(che)渗透率将(jiang)保持高(gao)速增长，有(you)望达40%，高(gao)于(yu)(yu)(yu)(yu)燃(ran)油车(che)(che)(che)(che)15%的渗透率水平。燃(ran)油车(che)(che)(che)(che)渗透率低，预(yu)(yu)计(ji)(ji)增速相对慢：燃(ran)油车(che)(che)(che)(che)中EHB主(zhu)要适用(yong)(yong)智能(neng)(neng)驾驶的场景，我们预(yu)(yu)计(ji)(ji)渗透率目前在(zai)1%左右(you)，渗透率增速将(jiang)低于(yu)(yu)(yu)(yu)新能(neng)(neng)源(yuan)(yuan)车(che)(che)(che)(che)，但(dan)由于(yu)(yu)(yu)(yu)销(xiao)量高(gao)于(yu)(yu)(yu)(yu)新能(neng)(neng)源(yuan)(yuan)车(che)(che)(che)(che)，整(zheng)体(ti)市场规(gui)模更大，预(yu)(yu)计(ji)(ji)2025年(nian)(nian)有(you)望达30亿(yi)元，CAGR为(wei)32%。EHB以(yi)传统(tong)的液压制动系统(tong)为(wei)基(ji)础(chu)，用(yong)(yong)电子器件(jian)取代了(le)一部(bu)分机械部(bu)件(jian)的功能(neng)(neng)。制动踏(ta)板传感器批(pi)发价

EHB主(zhu)要(yao)结构是在传统的(de)液(ye)压制(zhi)动器基础上发展(zhan)而来的(de)。扬州(zhou)踏板行程传感器

EHB可以(yi)根据各个车(che)(che)轮的(de)(de)(de)(de)(de)转速和(he)(he)附着(zhe)力为其分配(pei)恰当的(de)(de)(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)动(dong)力度(du)，这(zhei)就做到了制(zhi)(zhi)(zhi)(zhi)动(dong)的(de)(de)(de)(de)(de)高度(du)灵活(huo)性(xing)(xing)和(he)(he)高效(xiao)性(xing)(xing)。EHB不但能(neng)(neng)(neng)(neng)够提供高效(xiao)的(de)(de)(de)(de)(de)常(chang)规(gui)制(zhi)(zhi)(zhi)(zhi)动(dong)功能(neng)(neng)(neng)(neng)，还能(neng)(neng)(neng)(neng)发(fa)挥包(bao)括ABS在内的(de)(de)(de)(de)(de)更(geng)多辅(fu)助(zhu)功能(neng)(neng)(neng)(neng)。现代的(de)(de)(de)(de)(de)汽(qi)车(che)(che)电(dian)(dian)子(zi)化(hua)程度(du)越来(lai)越高，新能(neng)(neng)(neng)(neng)源汽(qi)车(che)(che)的(de)(de)(de)(de)(de)发(fa)展又进(jin)一(yi)步加快(kuai)了这(zhei)种趋势。传(chuan)统的(de)(de)(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)动(dong)系统在长期使(shi)用(yong)后，由于(yu)各部(bu)件(jian)的(de)(de)(de)(de)(de)磨损和(he)(he)变形(xing)，会(hui)导(dao)致制(zhi)(zhi)(zhi)(zhi)动(dong)性(xing)(xing)能(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)衰退。而EHB会(hui)利用(yong)算(suan)法弥补部(bu)件(jian)的(de)(de)(de)(de)(de)磨损和(he)(he)变形(xing)，使(shi)制(zhi)(zhi)(zhi)(zhi)动(dong)性(xing)(xing)能(neng)(neng)(neng)(neng)长期处于(yu)良好(hao)状态(tai)。EHB以(yi)传(chuan)统的(de)(de)(de)(de)(de)液压制(zhi)(zhi)(zhi)(zhi)动(dong)系统为基础，用(yong)电(dian)(dian)子(zi)器件(jian)取代了一(yi)部(bu)分机(ji)械(xie)部(bu)件(jian)的(de)(de)(de)(de)(de)功能(neng)(neng)(neng)(neng)。与飞机(ji)的(de)(de)(de)(de)(de)系统类似，制(zhi)(zhi)(zhi)(zhi)动(dong)踏(ta)板(ban)(ban)和(he)(he)制(zhi)(zhi)(zhi)(zhi)动(dong)缸没(mei)有任何机(ji)械(xie)连接，汽(qi)车(che)(che)驾驶员(yuan)的(de)(de)(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)动(dong)动(dong)作(zuo)被踏(ta)板(ban)(ban)上的(de)(de)(de)(de)(de)传(chuan)感(gan)器感(gan)转化(hua)成(cheng)电(dian)(dian)子(zi)信(xin)号(hao)，电(dian)(dian)子(zi)控制(zhi)(zhi)(zhi)(zhi)单元接受(shou)到信(xin)号(hao)后，命令液压执(zhi)行机(ji)构完成(cheng)制(zhi)(zhi)(zhi)(zhi)动(dong)的(de)(de)(de)(de)(de)操作(zuo)。扬州踏(ta)板(ban)(ban)行程传(chuan)感(gan)器

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