Method for calculation of heating value of brine-refrigerant type heat pump system using geothermal heat energy

According to the present invention, a brine-refrigerant type heat pump system using geothermal heat can calculate produced heating values of a heating source using brine, and calculate consumed heating values of a demand from the produced heating values of the heating source, and thus costs can be r...

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Bibliographische Detailangaben
Hauptverfasser: KIM, JONG RYUL, MOON, KI SUN, LEE, WON KEUN, CHO, SU JIN, KIM, SEOUNG WOOG
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:According to the present invention, a brine-refrigerant type heat pump system using geothermal heat can calculate produced heating values of a heating source using brine, and calculate consumed heating values of a demand from the produced heating values of the heating source, and thus costs can be reduced as high-priced refrigerant flowmeter is unnecessary to calculate heating values of the demand using a refrigerant. Moreover, on/off points of a brine pump and the heat pump are differently controlled, and the produced heating values of the heating source is calculated to be estimated while the brine pump is turned on. Therefore, heating values can be accurately calculated. 본 발명에 따른 지열을 이용한 브라인-냉매 방식 히트펌프 시스템에서는 브라인을 사용하는 열원측 생산열량을 계산하고, 상기 열원측 생산열량으로부터 수요측 소비열량을 계산함으로써, 냉매를 사용하는 수요측 열량을 계산하기 위해 고가의 냉매 유량계 등을 사용할 필요가 없으므로 비용이 절감되는 이점이 있다. 또한, 브라인 펌프와 히트펌프의 온,오프 시점을 다르게 제어하고, 브라인 펌프가 온되는 동안 열원측 생산열량을 계산하여 적산함으로써, 보다 정확하게 열량을 계산할 수 있다.