CHILLER SYSTEM, METHOD FOR OBTAINING MIDDLE WATER TEMPERATURE AND CONTROL METHOD THEREOF
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United States of America Patent
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May 9, 2019
app pub date -
Apr 12, 2017
filing date -
Apr 12, 2017
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Abstract
A cooler system includes a plurality of cooler units; a condensed water flow path, an aqueous medium in the condensed water flow path sequentially flowing through each of the cooler units; a cooling water flow path, an aqueous medium in the cooling water flow path sequentially flowing through each of the cooler units in a flow direction opposite to a flow direction of the aqueous medium in the condensed water flow path; a plurality of current sensors used for detecting working currents of the cooler units; water temperature sensors used for detecting an entering water temperature and a leaving water temperature of the cooling water flow path; at least one virtual temperature sensor arranged between the cooler units and used for acquiring a middle water temperature between the cooler units; and a controller.
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