电驱动桥技术及技术路线

电驱动桥开发主要内容简介电驱动桥技术背景电驱动桥技术路线电驱动桥市场需求分析目录电驱动桥解决方案总结电驱动桥技术背景国际形势欧洲《欧盟2020年战略创新计划》德国2030年机动车零排放登记，英国法国2040年禁售汽柴油车，美国《新能源汽车战略规划蓝图》、零排放、碳配额，日本《日本汽车战略2014》·····国内形势国家“863”、“973”计划及“十一五”“十二五”规划等重大科技项目列为重点领域并给与经费支持。中国《中国制造2025》、“节能与新能源汽车技术路线图“，规划产销2020年210万辆，2025年525万辆，2030年1520万辆。“汽车产业中长期发展规划”，明确新能源汽车销量2020年200万辆，2025年700万辆。碳排放积分交易政策实施、双积分政策实施财政补贴国家四部委下发新能源汽车推广补贴方案，明确中央对各类新能源汽车提供财政补贴，加快推动新能源汽车产业化进程。企业战略电驱动桥作为未来电新能源动力总成的发展方向，是各大企业重点争夺的制高点。电驱动桥技术背景传动产业链驱动电机系统生产企业电驱桥市场电驱桥相关研发能力电驱桥生产制造能力电驱桥市场驱动电机相关研发能力驱动电机设计控制器生产制造能力驱动电机自动化生产线新能源乘用车市场驱动电机及控制器集成能力变速箱生产企业新能源乘用车驱动电机控制器设计及系统集成电机控制器装配线新能源公交市场VCU技术车桥生产企业新能源物流车驱动电机系统测试台架电机控制器检测设备新能源轻型载货市场整车标定能力铸锻企业新能源客车新能源重型载货市场新能源汽车及零部件各类测试台架设备齿轮加工企业新能源专用车新能源特种车电驱动桥技术背景方案切实可行方案原则电驱桥项目应结合实际技术水平和工艺实力，兼顾乘用车和商用车用电驱动桥的需求及各类别新能源车辆电驱桥的通用性。明确目标市场电驱桥项目开展根据实际及市场情况明确目标市场，确立方案可行性。产品原则应具备集成化、通用化、系列化和可扩展化的基本特点。产品集成化、通用化、系列化、可扩展化项目展开应在兼顾以上原则的基础上，选定某一特定市场、产品展开详细设计。应考虑以下几点：1、电驱桥集成产品技术指标；2、驱动电机系统技术水平及可扩展性；3、电驱桥相关技术、工艺水平及可行性。电驱动桥技术背景降低成本减小体积重量提高产品可靠性动力系统一体化提高系统效率提升产品性能产品模块化便于批量生产电驱动桥技术案例EP-Axle6-3500kg电驱动桥外观额定载荷（kg）轴距（mm）3500/45001396簧距（mm）85057/135136/3104000/12000持续/峰值功率（kW）持续/峰值扭矩（Nm）额定/最高转速（r/min）传动比17.4EP-Axle6-4500kg电驱动桥外观电机合作商

上海大郡该方案电机桥一体化运用传动比较大的主减速器，电

机适配上有更多选择，方案总重量较传统方案轻20%。电驱动桥技术案例博格华纳eGearDrive

31-03单速比电子驱动桥具体参数重量

28kg可供选择的传动比6.54、7.17、8.00、8.28、8.76、9.07传动效率大于97%峰值额定输入扭矩300N·m该桥承载峰值转矩400Nm，传动比8.28，最高输入转速14000r/min，传动效率97%。最大输入转速14000rpm电子-机械接口法兰连接电驱动桥技术背景特斯拉、奔驰、斯堪尼亚、沃尔沃等传统商用车强企纷纷推出了电驱动桥重卡电驱动桥技术背景传统车桥中央电驱桥轮边电驱桥无论最终推动电动车产业发展的是排放法规，还是消费者需求，电驱动桥行业都将迎来重大变化轮毂电驱桥电驱动桥技术背景电驱动桥技术路线电驱动桥市场需求分析目录电驱动桥解决方案总结电驱动桥技术路线电驱动桥测试台架电驱动桥技术路线中央电驱动桥单减速比电驱动桥轮边电驱动桥可变速电驱动桥轮毂电驱动桥电驱动桥技术路线中央驱动桥中央电机驱动桥取消了变速箱和传动轴，工程上可以取消某一个零部件，但是其功能必须保留。①变速箱和传动轴的功能一是改变传动比，使发动机在有利的工况下工作；二是在发动机旋转方向不变情况下，使汽车能倒退行驶；三是用空挡，中断动力传递，以发动机能够起动、怠速，并便于变速器换档或进行动力输出。②电动机的替代变速箱的可能性分析有启停、顺转、反向转，工况区域。这就从原理上告诉了大家，

发动机系统，必须要有变速箱，电动机可以不要变速箱。原理上

逻辑通了，工程上要科学（工艺）设计，要保障电机取消变速箱，产品质量不能低于以前的产品。电驱动桥技术路线中央驱动桥电驱动桥技术路线中央驱动桥电驱动桥技术路线中央驱动桥电驱动桥技术路线中央驱动桥电驱动桥技术路线东风德纳EP-Axle6系列3500kg电驱动桥东风德纳EP-Axle6系列4500kg电驱动桥中央驱动桥电驱动桥技术路线轮边驱动电驱动桥驱动系统改变了新能源汽车过去所采用的中央电机集中驱动

方式，直接由2台安装在电动汽车车桥两侧的永磁轮边电机进行驱动。其中，永磁电机额定功率、转速、扭矩等各项技术指标优异，最高效率可达96%，电机控制器输出频率高达600Hz，提升了电

动汽车运行的平稳性与舒适性轮边直驱电机或轮毂电机均属于该

类。适用于断开式车桥或门式桥，可带轮边减速。两个轮边独立驱动，独立控制，可起到辅助行驶稳定作用。采用轮间电子差速。但控制复杂、成本高、轮边空间紧张，一般不布置多速换挡。电驱动桥技术路线轮边驱动桥电驱动桥技术路线轮边驱动桥电驱动桥技术路线轮边驱动桥电驱动桥技术路线轮毂电驱动桥——TM4电驱动桥技术路线单位米其林wheel

motor质量kg42额定功率kW30峰值功率kW60轮毂电驱动桥——米其林电驱动桥技术路线轮毂电驱动桥——PROTEAN

ELECTRIC电驱动桥技术路线轮毂电驱动桥——普利司通电驱动桥技术路线轮毂电驱动桥——e-Traction电驱动桥技术路线博格华纳eGearDrive

31-03单速比电子驱动桥具体参数重量

28kg可供选择的传动比6.54、7.17、8.00、8.28、8.76、9.07传动效率大于97%峰值额定输入扭矩300N·m该桥承载峰值转矩400Nm，传动比8.28，最高输入转速14000r/min，传动效率97%。最大输入转速14000rpm电子-机械接口法兰连接电驱动桥技术路线EP-Axle6-3500kg电驱动桥外观额定载荷（kg）轴距（mm）3500/45001396簧距（mm）85057/135136/3104000/12000持续/峰值功率（kW）持续/峰值扭矩（Nm）额定/最高转速（r/min）传动比17.4EP-Axle6-4500kg电驱动桥外观电机合作商

上海大郡该方案电机桥一体化运用传动比较大的主减速器，电

机适配上有更多选择，方案总重量较传统方案轻20%。电驱动桥技术路线奔驰电动重卡电驱桥奔驰电动重卡奔驰电动重卡底盘电驱动桥技术路线特斯拉电驱动桥特斯拉电动重卡特斯拉电动重卡底盘电驱动桥技术路线ZF电驱动桥ZF电驱动桥尺寸ZF电驱动桥匹配参数电驱动桥技术路线汉德电驱动车桥额定载荷（kg）5000传动形式圆柱齿轮平行传动最高车速（km/h）94驱动电机持续/峰值功率（kW）65/149驱动电机持续/峰值扭矩（Nm）220/455驱动桥最大输出扭矩（Nm）6100~7500驱动电机额定/最高转速（r/min）2900/8000电驱动桥技术背景电驱动桥技术路线电驱动桥市场需求分析目录电驱动桥解决方案总结电驱动桥市场需求电驱动桥市场需求电驱动桥市场需求目前电机水准，取消变速箱以后，电动汽车新产品的性能，与传统汽车的性能是下降的。是，将（5-6）档变速箱换成（2-3）变速箱。当然，如果电机能安装到桥手上，传动轴的长度可以是0。电驱动桥技术背景电驱动桥技术路线电驱动桥市场需求分析目录电驱动桥解决方案总结电驱动桥解决方案电驱动桥解决方案电驱动桥解决方案电驱动桥解决方案电驱动桥解决方案电驱动桥解决方案比亚迪电驱桥解决方案电驱动桥解决方案AxleTech电动轮边减速器电驱桥解决方案电驱动桥解决方案整套装置的重量只有20.2

kg且体积较小，长宽高分别为457mm、229mm、259mm，便于在有限空间内安装。GKN吉凯恩三合一电驱系统（电控+电机+减速器）GKN电驱桥解决方案电驱动桥解决方案BOSCHe-axle将3个动力系统零件：马达、电力电子及变速箱合而为一，形成精实的单一机组。具体产品系列按照平台设计可实现输出功率从50kW到300kW，扭矩从1000NM到6000NM不同的变型产品。用以覆盖混合动力与纯电动车型对电驱动桥的不同需求。BOSCH电驱桥解决方案电驱动桥解决方案20000180001600014000100008000750060004500350030%5857352716468584100129286234292196517572131791025029%568505116545480397952842522740213191705512791994928%551124960144090385792755622045206671653412400964527%533614802542689373532668121344200101600812006933826%515974643741277361182579820639193491547911609902925%498194483739855348732490919928186821494611209871824%480284322538423336202401419211180111440810806840523%462254160336980323582311318490173341386810401808922%44410399693552831087222051776416654133239992777221%42583383253406729808212921703315969127759581745220%40745366713259628522203731629815279122249168713019%38896350073111727227194481555814586116698752680718%37037333332962925926185181481513889111118333648117%35167316512813424617175841406713188105507913615416%3328929960266312330216644133151248399877490582615%3140128261251212198015700125601177594207065549514%2950426554236032065314752118021106488516638516313%2760024840220801932013800110401035082806210483012%256882311920550179811284410275963377065780449511%23769213921901516638118849507891371315348416010%2184319659174741529010922873781916553491538239%199121792015929139389956796574675973448034858%179751617714380125828987719067405392404431467%160331442912826112238016641360124810360728066%14087126781126998617043563552834226317024655%121371092397098496606848554551364127312124电驱动桥解决方案20000180001600014000100008000750060004500350030%23922215301913816746119619569897171775383538329%23219208971857516253116099287870769665224522428%22509202581800715756112559004844167535065506527%21794196141743515256108978718817365384904490426%21073189661685814751105378429790263224741474125%20347183121627814243101748139763061044578457824%1961617654156931373198087846735658854414441423%1887916991151031321694407552708056644248424822%1813816324145101269790697255680254414081408121%1739215653139131217486966957652252183913391320%1664114977133131164983216656624049923744374419%1588614297127091112079436354595747663574357418%1512713614121011058975636051567245383403340317%1436312927114911005471825745538643093232323216%135961223610877951767985438509840793059305915%128251154210260897764125130480938472886288614%12050108459640843560254820451936152711271113%11272101459018789156364509422733822536253612%1049194428393734452464197393431472361236111%970887377766679548543883364029122184218410%89218029713762454461356833452676200720079%81327319650656934066325330502440183018308%73416607587351393671293627532202165216527%65485893523845843274261924561964147314736%57535178460340272877230121571726129412945%4957446139663470247819831859148711151115电驱动桥解决方案20000180001600014000100008000750060004500350030%74.867.359.852.337.429.928.022.416.813.129%72.665.358.050.836.329.027.221.816.312.728%70.363.356.349.235.228.126.421.115.812.327%68.161.354.547.734.127.225.520.415.311.926%65.959.352.746.132.926.324.719.814.811.525%63.657.250.944.531.825.423.819.114.311.124%61.355.249.042.930.624.523.018.413.810.723%59.053.147.241.329.523.622.117.713.310.322%56.751.045.339.728.322.721.317.012.89.921%54.348.943.538.027.221.720.416.312.29.520%52.046.841.636.426.020.819.515.611.79.119%49.644.739.734.824.819.918.614.911.28.718%47.342.537.833.123.618.917.714.210.68.317%44.940.435.931.422.418.016.813.510.17.916%42.538.234.029.721.217.015.912.79.67.415%40.136.132.128.120.016.015.012.09.07.014%37.733.930.126.418.815.114.111.38.56.613%35.231.728.224.717.614.113.210.67.96.212%32.829.526.222.916.413.112.39.87.45.711%30.327.324.321.215.212.111.49.16.85.310%27.925.122.319.513.911.210.58.46.34.99%25.422.920.317.812.710.29.57.65.74.48%22.920.618.416.111.59.28.66.95.24.07%20.518.416.414.310.28.27.76.14.63.66%18.016.214.412.69.07.26.75.44.03.15%15.513.912.410.87.76.25.84.63.52.7电驱动桥解决方案总速比需求表电机扭矩（Nm）70020000180001600014000100008000750060004500350030%34.230.827.323.917.113.712.810.37.76.029%33.229.926.523.216.613.312.410.07.55.828%32.228.925.722.516.112.912.19.67.25.627%31.128.024.921.815.612.511.79.37.05.426%30.127.124.121.115.112.011.39.06.85.325%29.126.223.320.314.511.610.98.76.55.124%28.025.222.419.614.011.210.58.46.34.923%27.024.321.618.913.510.810.18.16.14.722%25.923.320.718.113.010.49.77.85.84.521%24.822.419.917.412.49.99.37.55.64.320%23.821.419.016.611.99.58.97.15.34.219%22.720.418.215.911.39.18.56.85.14.018%21.619.417.315.110.88.68.16.54.93.817%20.518.516.414.410.38.27.76.24.63.616%19.417.515.513.69.77.87.35.84.43.415%18.316.514.712.89.27.36.95.54.13.214%17.215.513.812.18.66.96.55.23.93.013%16.114.512.911.38.16.46.04.83.62.812%15.013.512.010.57.56.05.64.53.42.611%13.912.511.19.76.95.55.24.23.12.410%12.711.510.28.96.45.14.83.82.92.29%11.610.59.38.15.84.64.43.52.62.08%10.59.48.47.35.24.23.93.12.41.87%9.48.47.56.54.73.73.52.82.11.66%8.27.46.65.84.13.33.12.51.81.45%7.16.45.75.03.52.82.72.11.61.2电驱动桥解决方案20000180001600014000100008000750060004500350030%19.917.915.914.010.08.07.56.04.53.529%19.317.415.513.59.77.77.35.84.43.428%18.816.915.013.19.47.57.05.64.23.327%18.216.314.512.79.17.36.85.44.13.226%17.615.814.012.38.87.06.65.34.03.125%17.015.313.611.98.56.86.45.13.83.024%16.314.713.111.48.26.56.14.93.72.923%15.714.212.611.07.96.35.94.73.52.822%15.113.612.110.67.66.05.74.53.42.621%14.513.011.610.17.25.85.44.33.32.520%13.912.511.19.76.95.55.24.23.12.419%13.211.910.69.36.65.35.04.03.02.318%12.611.310.18.86.35.04.73.82.82.217%12.010.89.68.46.04.84.53.62.72.116%11.310.29.17.95.74.54.23.42.52.015%10.79.68.57.55.34.34.03.22.41.914%10.09.08.07.05.04.03.83.02.31.813%9.48.57.56.64.73.83.52.82.11.612%8.77.97.06.14.43.53.32.62.01.511%8.17.36.55.74.03.23.02.41.81.410%7.46.75.95.23.73.02.82.21.71.39%6.86.15.44.73.42.72.52.01.51.28%6.15.54.94.33.12.42.31.81.41.17%5.54.94.43.82.72.22.01.61.21.06%4.84.33.83.42.41.91.81.41.10.85%4.13.73.32.92.11.71.51.20.90.7电驱动桥解决方案车速（km/h）200001800016000140001000080007500600045003500120216.31208.05199.80191.55175.04166.79164.73158.54152.35148.22115196.83188.92181.02173.11157.29149.38147.40141.47135.54131.59110178.69171.13163.56156.00140.87133.31131.41125.74120.07116.28105161.83154.61147.39140.17125.73118.51116.70111.29105.87102.26100146.19139.31132.44125.56111.81104.93103.2198.0592.8989.4595131.71125.18118.64112.1199.0492.5190.8885.9881.0877.8190118.33112.14105.9599.7787.3981.2079.6575.0170.3767.2785106.00100.1694.3188.4676.7770.9369.4765.0860.7057.788094.6689.1583.6578.1567.1561.6560.2756.1452.0249.277584.2479.0873.9268.7758.4553.2952.0048.1444.2741.697074.7069.8865.0760.2550.6345.8144.6141.0037.3934.986565.9661.4957.0252.5543.6139.1438.0234.6731.3229.086057.9953.8649.7345.6137.3533.2332.2029.1026.0123.945550.7146.9243.1439.3631.7928.0127.0624.2321.3919.505044.0640.6237.1933.7526.8723.4322.5719.9917.4115.704538.0034.9131.8128.7222.5319.4318.6616.3414.0212.474032.4629.7126.9624.2118.7115.9615.2713.2111.149.773527.3924.9822.5820.1715.3512.9512.3510.548.747.533022.7220.6618.6016.5312.4110.349.838.286.735.702518.4016.6814.9613.249.818.097.666.375.084.222014.3713.0011.6210.257.506.125.784.753.713.031510.589.558.517.485.424.394.133.362.582.07106.956.275.584.893.522.832.662.141.621.2853.453.102.762.421.731.391.301.040.780.6100.000.000.000.000.000.000.000.000.000.00电驱动桥解决方案车速（km/h）车轮转速（rpm）电机转速（rpm）车轮转速（rpm）电机转速（rpm）车轮转速（rpm）电机转速（rpm）车轮转速（rpm）电机转速（rpm）车轮转速（rpm）电机转速（rpm）0000000000053562833597295312747725450107012566611945910615395550901151051885991790881592801432751351201402513133238711821221061910100180225175314116629841472653133238712522523020937691993581177318315928651502703352444398232417820637141863342175315340279502626547752364244212382020036034531456542985371265477523942972254054503496282332596829553052654775250450455384691136565653245836292525227549556041975393987162354636631857293005405654548167431775938368973456207325585670489879546483554137427371668435063067552494234978952442795839871623756756805581005253195494728488424763940072078559310680564101465019019451811742576579062811308597107435319549477859445081089566311936630113405601008050490724758558100698125656631193658910610531954950090091057331319369612533619111415571002752594591107681382172913130648116715841050