The invention discloses a diesel-electricity-electricity hybrid power system for a trackless truck. The diesel-electricity-electricity hybrid power system for the trackless truck comprises a power source device, an electric power transmission device and a power transmission device, the power source device comprises a diesel engine, a generator, a pantograph, a motor and a power battery, and the electric power transmission device comprises a DC/DC, an inverter, a rectifier and a circuit connected with the rectifier. The power transmission device comprises an AMT gearbox, a transmission shaft, a main speed reducer assembly and rear wheels. By means of independent or combined operation of three power sources of the diesel engine, the external power grid and the power battery, various hybrid power modes such as pure electric mode, combined driving mode and braking energy recovery mode can be achieved; according to the system, the fuel economy and the working condition adaptability of the commercial vehicle can be effectively improved, the low-power-grade engine arranged on the system can effectively reduce the working noise and improve the driving environment of the commercial vehicle, the emission performance is excellent, and the policy requirements of energy conservation and environmental protection are met.
本发明公开了一种用于无轨卡车的柴‑电‑电混合动力系统,包括动力源装置、电力输送装置和动力传动装置,动力源装置包括柴油发动机、发电机、受电弓、电动机和动力电池,电力输送装置包括DC/DC、逆变器、整流器及其连接的线路,动力传动装置包括AMT变速箱、传动轴、主减速器总成和后车轮;利用本发明设计的柴油发动机、外接电网和动力电池三动力源的单独或联合工作,能够实现纯电动、联合驱动和制动能量回收等多种混动模式;本发明可以有效提升商用车的燃油经济性和工况适应性,系统配备的低功率等级发动机可以有效减小工作噪声,改善商用车的驾乘环境,且排放性能优良,满足节能环保的政策需求。
Diesel-electricity-electricity hybrid power system for trackless truck
一种用于无轨卡车的柴-电-电混合动力系统
2021-09-10
Patent
Electronic Resource
Chinese
Electricity-electricity hybrid power system for double-source trackless truck
European Patent Office | 2021
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