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A platform for research: civil engineering, architecture and urbanism
Heat dissipation system of electric excavator
The invention relates to a heat dissipation system of an electric excavator. The system comprises the following control steps that S1, a VCU judges whether a motor is in a working state or a non-working state through a rotating speed sensor, and if the motor is in the non-working state, S2 is executed; otherwise, S3 is executed; S2, the VCU sends a heat dissipation fan stopping instruction; S3, an operator actively executes a dust blowing instruction or the VCU judges whether the dust blowing instruction is automatically executed or not according to the collected temperature, obtained by the temperature sensor, of a cooling medium in the current heat dissipation system, and then starting, stopping the rotating speed and the rotating direction of the heat dissipation fan are controlled according to the difference value between the collected temperature and the target temperature. The temperature control precision of the heat dissipation fan is high, the energy consumption of the system is reduced, the system can be dedusted, the cleanliness of the whole machine is improved, the heat dissipation fan does not need to be started in real time, the service life of the heat dissipation fan is prolonged, and the service life of the cooling medium is prolonged.
本发明涉及一种电动挖掘机散热系统，包括如下控制步骤，S1：VCU通过转速传感器判断电机处于工作或不工作状态，若电机处于不工作状态，跳至S2；否则跳至S3；S2：VCU发送关闭散热风扇指令；S3：操作人员主动执行吹灰指令或VCU根据温度传感器获取当前散热系统中冷却介质的采集温度判断是否自动执行吹灰指令后，将采集的温度与和目标温度的差值来控制散热风扇开关、转速、转向；本发明实现了散热风扇的温度控制精度高、降低了系统的能耗、可以对系统进行清灰，提高了整机的清洁度、无需实时开启散热风扇，提高了散热风扇的使用寿命、提高了冷却介质的使用寿命。
Heat dissipation system of electric excavator
The invention relates to a heat dissipation system of an electric excavator. The system comprises the following control steps that S1, a VCU judges whether a motor is in a working state or a non-working state through a rotating speed sensor, and if the motor is in the non-working state, S2 is executed; otherwise, S3 is executed; S2, the VCU sends a heat dissipation fan stopping instruction; S3, an operator actively executes a dust blowing instruction or the VCU judges whether the dust blowing instruction is automatically executed or not according to the collected temperature, obtained by the temperature sensor, of a cooling medium in the current heat dissipation system, and then starting, stopping the rotating speed and the rotating direction of the heat dissipation fan are controlled according to the difference value between the collected temperature and the target temperature. The temperature control precision of the heat dissipation fan is high, the energy consumption of the system is reduced, the system can be dedusted, the cleanliness of the whole machine is improved, the heat dissipation fan does not need to be started in real time, the service life of the heat dissipation fan is prolonged, and the service life of the cooling medium is prolonged.
本发明涉及一种电动挖掘机散热系统，包括如下控制步骤，S1：VCU通过转速传感器判断电机处于工作或不工作状态，若电机处于不工作状态，跳至S2；否则跳至S3；S2：VCU发送关闭散热风扇指令；S3：操作人员主动执行吹灰指令或VCU根据温度传感器获取当前散热系统中冷却介质的采集温度判断是否自动执行吹灰指令后，将采集的温度与和目标温度的差值来控制散热风扇开关、转速、转向；本发明实现了散热风扇的温度控制精度高、降低了系统的能耗、可以对系统进行清灰，提高了整机的清洁度、无需实时开启散热风扇，提高了散热风扇的使用寿命、提高了冷却介质的使用寿命。
Heat dissipation system of electric excavator
一种电动挖掘机散热系统
QIAN YONG (author) / JIANG SUJIE (author) / ZHU LIANGPENG (author) / YAN JIEYIN (author) / LIU HAO (author) / MENG QINGFENG (author) / SUN ZHONGLIN (author)
2021-12-24
Patent
Electronic Resource
Chinese
IPC:
E02F
Baggern
,
DREDGING
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