HOT WATER SUPPLY SYSTEM

• Main Authors: MITSU YUYA, OTANI KAZUYUKI
• Format: Patent
• Language: English; Japanese
• Published: 16.02.2022
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; RANGES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; VENTILATING; WEAPONS

To provide a hot water supply system that can prevent damage applied to a compressor.SOLUTION: A hot water supply system 1 comprises: a vapor compression type heat pump circuit 10 in which a compressor 11, a first heat dissipation heat exchanger 12A, a second heat dissipation heat exchanger 12B, an expansion valve 13, and a heat absorption heat exchanger 14 are annularly connected by a refrigerant circulation line L9, and heat is extracted in the first heat dissipation heat exchanger 12A and/or the second heat dissipation heat exchanger 12B by driving the compressor 11; a hot water storage tank 60 for storing makeup water W2; a water circulation line L1 for circulating stored water W3 in the hot water storage tank 60 through the first heat dissipation heat exchanger 12A; a makeup water line L2 for supplying the makeup water W2 to the hot water storage tank 60 while passing the makeup water through the second heat dissipation heat exchanger 12B; refrigerant temperature adjustment means 50 for adjusting a temperature of a liquid refrigerant R flowing into the expansion valve 13; and control means 100 for controlling the refrigerant temperature adjustment means 50.SELECTED DRAWING: Figure 1 【課題】圧縮機の破損を防止することが可能な給湯システムを提供する。【解決手段】給湯システム１であって、圧縮機１１、第１放熱用熱交換器１２Ａ、第２放熱用熱交換器１２Ｂ、膨張弁１３および吸熱用熱交換器１４が冷媒循環ラインＬ９により環状に接続され、圧縮機１１の駆動により第１放熱用熱交換器１２Ａおよび／または第２放熱用熱交換器１２Ｂで温熱を取り出す蒸気圧縮式のヒートポンプ回路１０と、補給水Ｗ２を貯留する貯湯タンク６０と、貯湯タンク６０内の貯留水Ｗ３を第１放熱用熱交換器１２Ａに循環させる水循環ラインＬ１と、補給水Ｗ２を第２放熱用熱交換器１２Ｂに流通させつつ、貯湯タンク６０へ送給する補給水ラインＬ２と、膨張弁１３に流入する液冷媒Ｒの温度を調整する冷媒温度調整手段５０と、冷媒温度調整手段５０を制御する制御手段１００と、を備える。【選択図】図１