The invention relates to the technical field of fire fighting trucks, in particular to an electric control system of a parallel oil-electricity hybrid airport fire fighting truck chassis. The electriccontrol system comprises the following steps of S1, starting an engine and a driving motor to drive the chassis to run; S2, using the engine for driving the chassis to run, using the driving motor for disconnecting with a chassis transmission system through a clutch, using a power takeoff for driving a water pump to act, wherein the driving motor is electrically connected with a power battery, and executing the step S3; and S3, if the electric quantity SOC of the power battery is larger than an upper limit threshold value, using the engine for driving the chassis, and using a generator for assisting with the power battery in supplying power to the driving motor; if the electric quantity SOC of the power battery is smaller than a lower limit threshold value, using the engine for driving the chassis, and using the generator for charging the power battery and supplying power to the driving motor; and if the electric quantity SOC of the power battery is larger than the lower limit threshold value and smaller than the upper limit threshold value, using the engine for driving the chassis, and using the power battery for assisting with the generator in supplying power to the driving motor. According to the electric control system, the problem that the starting acceleration performance of the engine is poor is solved, it is guaranteed that no engine tail gas is exhausted from the automobile in a garage, and the overall cost is reduced.
本发明涉及消防车技术领域,具体是一种并联油电混合机场消防车底盘的电控系统,包括有步骤:S1:启动发动机和驱动电机驱动底盘行驶;S2:发动机驱动底盘行驶,驱动电机通过离合器断开与底盘传动系统连接,并通过取力器驱动水泵动作,驱动电机电连有动力电池,进入步骤S3;S3:若动力电池电量SOC大于上限阈值,发动机驱动底盘,发电机辅助动力电池给驱动电机供电;若动力电池电量SOC小于下限阈值,发动机驱动底盘,发电机对动力电池充电和对驱动电机供电;若下限阈值<动力电池电量SOC<上限阈值时,发动机驱动底盘,动力电池辅助发电机给驱动电机供电,本发明解决发动机启动加速性能较差的问题,确保汽车在车库中无发动机尾气排放,降低整体成本。
Electric control system of parallel oil-electricity hybrid airport fire fighting truck chassis
一种并联油电混合机场消防车底盘的电控系统
2020-12-22
Patent
Elektronische Ressource
Chinesisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / A62C FIRE-FIGHTING , Feuerbekämpfung / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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