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2. 发明公开

EP1380456A1 Method for controlling a refrigeration circle 有权
标题翻译： Verfahren zur Regelung einesKältemittelkreislaufs
公开(公告)号：EP1380456A1
公开(公告)日：2004-01-14
申请号：EP03015305.0
申请日：2003-07-07
申请人： TGK CO., Ltd.
发明人： Saeki, Shinji, c/o TGK CO., LTD. , Hirota, Hisatoshi, c/o TGK CO. LTD.
IPC分类号： B60H1/32
CPC分类号： B60H1/3216 , B60H1/3208
摘要： In a refrigeration cycle electric signals for a capacity control valve 5 of a variable displacement compressor 1 and an electronic expansion valve 3 are directly measured. The differential pressure across the refrigeration cycle and the refrigerant flow rate are estimated based on these electric signals, to estimate the energy condition of the refrigeration cycle. Considering an engine rotational speed, the driving torque demand of the compressor is estimated, to carry out energy control for e.g. a maximum refrigerating capacity operation, maximum efficiency operation, required minimum refrigerating capacity operation, to save fuel consumption and to carry out energy control for reducing the burden on the engine e.g. during engine idling and acceleration.
摘要翻译：在制冷循环中，直接测量可变排量压缩机1的容量控制阀5和电子膨胀阀3的电信号。基于这些电信号来估计制冷循环两端的压差和制冷剂流量，以估计制冷循环的能量状态。考虑到发动机转速，估计压缩机的驱动扭矩需求，以执行例如压缩机的能量控制。最大制冷能力运行，最大效率运行，所需的最低制冷能力运行，以节省燃料消耗并进行能量控制以减轻发动机的负担。在发动机空转和加速期间。

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