混合动力汽车混动专用变速箱换挡线研究

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中图分类号：U469 收稿日期：2025-08-12 DOI: 10.19999/j.cnki.1004-0226.2025.11.003

Research on the Shift Line of Hybrid Special Transmission for Hybrid Electric Vehicles

Xu Guanming Li Defang Wang Liwei Li Hailong Zhang Panhong Weichai Lovol Smart Agriculture Technology Co.,Ltd.,Weifang 261ooo,China

Abstract:Thispaperfocusesontheresearchoftheshiftingrulesofhybridelectricvehicles indiferentmodes.Withtheincreasing demandfromuserstherequrementsforthecoecompoentoftetansmissionsystem,tegearbo，hichafects teoveralpower, economy，anddrivingsmoothnessofthevehicle,arealsobecominghigherandhigher.Whilemeetingthepowerrequirementsof the driver,itisimportanttoimproveefciencandeduceeergyonsumptionasuchasposibleBydevelopingareasonableinteligt shiftingstrategyfortebrdddicatedtransmisionontroer，brideiclescanaceveea-ti，safe，andeficieutoatic shiftinginvarious modes，whichisofgreatsgnificanceforimprovingtheoverallperformanceof tevehicle.Thisstudytakes3DHas anexample，andthroughthestudyofmotorandengineeficiency，modelsandanalyzes theshiftingrulesof threeparametershifting lines，anddevelopsanintellgentshiftinglinetatbalanceseconomyandpower，provdingimportantteoreticalbasisforthesubsequent research on shifting lines for hybrid dedicated transmissions.

KeyWords:Transmission case;Shift line;Modeling;Intelligence;Efficiency

1前言

随着全球油耗法规（如中国国Vb、欧盟EuroVII等)和碳排放要求的日趋严格，传统燃油车面临能耗高、尾气污染重的固有缺陷，而纯电动汽车受限于充电基础设施覆盖率（2025年全国充电桩密度仅为3.2个 /m2 及充电时长（快充仍需 30min 充至 80% ），短期内难以完全替代燃油车。（剩余10543字）