Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Independent heat dissipation system for hydraulic excavator and control method
The invention discloses an independent heat dissipation system for a hydraulic excavator and a control method. The system comprises a circulating oil path, wherein the circulating oil path comprises an oil suction filter, a heat dissipation variable pump, a safety valve and a return oil filter which are connected in sequence, and the oil suction filter and the return oil filter are connected withan oil tank; the system further comprises a controller, a system pressure sensor, a constant displacement motor and a variable displacement motor, the system pressure sensor is connected with the circulating oil path, and the constant displacement motor and the variable displacement motor are connected into the circulating oil path in parallel; the constant displacement motor is connected with a water cooling motor speed sensor and a water cooling fan, the water cooling fan is matched with a water radiator, and a water temperature sensor is installed on the water radiator; the variable displacement motor is connected with an oil cooling motor speed sensor and an oil cooling fan, and the oil cooling fan is matched with an oil radiator; and the controller is connected with an oil temperaturesensor, the system pressure sensor, the water cooling motor speed sensor, the water temperature sensor and the oil cooling motor speed sensor. According to the system, the water radiator and the oilradiator can work at respective optimal working temperatures under different fan speeds.
本发明公开一种液压挖掘机用独立散热系统及控制方法，包括循环油路，循环油路包括依次连接的吸油过滤器、散热变量泵、安全阀和回油过滤器，吸油过滤器、回油过滤器分别与油箱连接；还包括控制器、与循环油路连接的系统压力传感器、及并联连接在循环油路中的定量马达和变量马达；定量马达与水散马达转速传感器、水散风扇连接，水散风扇与水散热器配合，水散热器上安装有水温传感器；变量马达与油散马达转速传感器、油散风扇连接，油散风扇与油散热器配合；控制器分别与油温传感器、系统压力传感器、水散马达转速传感器、水温传感器和油散马达转速传感器连接。本发明实现了水散热器和油散热器在不同风扇转速下，以各自最佳的工作温度进行工作。
Independent heat dissipation system for hydraulic excavator and control method
The invention discloses an independent heat dissipation system for a hydraulic excavator and a control method. The system comprises a circulating oil path, wherein the circulating oil path comprises an oil suction filter, a heat dissipation variable pump, a safety valve and a return oil filter which are connected in sequence, and the oil suction filter and the return oil filter are connected withan oil tank; the system further comprises a controller, a system pressure sensor, a constant displacement motor and a variable displacement motor, the system pressure sensor is connected with the circulating oil path, and the constant displacement motor and the variable displacement motor are connected into the circulating oil path in parallel; the constant displacement motor is connected with a water cooling motor speed sensor and a water cooling fan, the water cooling fan is matched with a water radiator, and a water temperature sensor is installed on the water radiator; the variable displacement motor is connected with an oil cooling motor speed sensor and an oil cooling fan, and the oil cooling fan is matched with an oil radiator; and the controller is connected with an oil temperaturesensor, the system pressure sensor, the water cooling motor speed sensor, the water temperature sensor and the oil cooling motor speed sensor. According to the system, the water radiator and the oilradiator can work at respective optimal working temperatures under different fan speeds.
本发明公开一种液压挖掘机用独立散热系统及控制方法，包括循环油路，循环油路包括依次连接的吸油过滤器、散热变量泵、安全阀和回油过滤器，吸油过滤器、回油过滤器分别与油箱连接；还包括控制器、与循环油路连接的系统压力传感器、及并联连接在循环油路中的定量马达和变量马达；定量马达与水散马达转速传感器、水散风扇连接，水散风扇与水散热器配合，水散热器上安装有水温传感器；变量马达与油散马达转速传感器、油散风扇连接，油散风扇与油散热器配合；控制器分别与油温传感器、系统压力传感器、水散马达转速传感器、水温传感器和油散马达转速传感器连接。本发明实现了水散热器和油散热器在不同风扇转速下，以各自最佳的工作温度进行工作。
Independent heat dissipation system for hydraulic excavator and control method
一种液压挖掘机用独立散热系统及控制方法
LI XIANJUN (Autor:in) / QIN JIASHENG (Autor:in) / ZHANG YI (Autor:in) / SHI LIJING (Autor:in) / SHI JIJIANG (Autor:in) / WANG ZHENXING (Autor:in) / TANG XIAOPENG (Autor:in) / LIU DENG (Autor:in) / HU YI (Autor:in) / WANG ZHENGHUA (Autor:in)
05.01.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
E02F
Baggern
,
DREDGING
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