TEMPERATURE CONTROL DEVICE

• Main Authors: SUZUKI HIDEYUKI, URANO KOICHI, NAMIKI WATARU, KANAI MASAKI, KANO KYOHEI, EBISAWA TSUYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 17.05.2018
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; WEAPONS

PROBLEM TO BE SOLVED: To provide a temperature control device which performs temperature control of cooling or heating separately with respect to temperature control objects of a plurality of systems and which can improve energy efficiency.SOLUTION: A temperature control device includes: a compressor 2 for compressing a refrigerant; a condenser 3 for cooling and liquefying a refrigerant; a plurality of heat exchangers 61-63 for performing heat exchange with respect to heating mediums of a plurality of systems; a plurality of expansion valves 131-133 for throttling and expanding the refrigerant and supplying it to the plurality of heat exchangers; a plurality of refrigerant control valves 151-153 for supplying a high-temperature refrigerant compressed by the compressor to the plurality of heat exchangers; refrigerant circulation passage switching valves 141-143, 161-163 for switching circulation passages of the refrigerant in such a manner that the refrigerant outputted from the heat exchanger which performs a cooling operation is returned to the input side of the compressor and the refrigerant outputted from the heat exchanger which performs a heating operation is returned to the output side of the condenser; and a temperature control part 11 for switching the circulation passages of the refrigerant and for controlling the temperature of the heating mediums of the plurality of systems to a target temperature by controlling the supply quantity.SELECTED DRAWING: Figure 1 【課題】複数系統の温度制御対象に対して別個に冷却または加熱の温度制御を行うとともにエネルギー効率を向上させることができる温度制御装置を提供する。【解決手段】冷媒を圧縮する圧縮機２と、冷媒を冷却して液化する凝縮器３と、複数系統の熱媒体に対して熱交換を行う複数の熱交換器６１〜６３と、冷媒を絞り膨脹させ複数の熱交換器に供給する複数の膨張弁１３１〜１３３と、圧縮機で圧縮された高温の冷媒を複数の熱交換器に供給するための複数の冷媒制御弁１５１〜１５３と、冷却動作を行う熱交換器から出力された冷媒を圧縮機の入力側に戻すとともに加熱動作を行う熱交換器から出力された冷媒を凝縮器の出力側に戻すように冷媒の循環路を切り替える冷媒循環路切替弁１４１〜１４３，１６１〜１６３と、冷媒の循環路を切り替えるとともにその供給量を制御して複数系統の熱媒体の温度を目標温度に制御する温度制御部１１とを有する。【選択図】図１