Title:
HYBRID AIR CONDITIONING SYSTEM
Document Type and Number:
Japanese Patent JP2023049068
Kind Code:
A
Abstract:
To provide a hybrid air conditioning system capable of sufficiently presenting a rating capability of a cold/hot water unit (radiation air conditioning) in a simple structure.SOLUTION: A hybrid air conditioning system comprises: an indoor air conditioner which prepares a cold wind or a hot wind by circulating a coolant between the indoor air conditioner and a heat pump outdoor unit; a coolant heat exchanger coupled to a coolant pipe, in which the coolant is circulated, and preparing cold water or hot water by a heat exchange with the coolant; a cold/hot water type radiation panel which performs radiation cooling/heating with the cold water or the hot water supplied through a cold/hot water pipe by the coolant heat exchanger; a direct heat exchange type hermetic tank of which the primary side is coupled through the cold/hot water pipe to the coolant heat exchanger and the secondary side is coupled through the cold/hot water pipe to the cold/hot water type radiation panel and which varies flow rates at the primary side and the secondary side; an expansion tank, which is coupled to the direct heat exchange type hermetic tank, for absorbing thermal expansion of cold water or hot water; and a proportional three-way valve which is coupled through the cold/hot water pipe to the secondary side of the direct heat exchange type hermetic tank and capable of adjusting a temperature of water feeding to the cold/hot water type radiation panel.SELECTED DRAWING: Figure 1
Inventors:
SAKO HIROSHI
Application Number:
JP2021158583A
Publication Date:
April 10, 2023
Filing Date:
September 29, 2021
Export Citation:
Assignee:
INTER CENTRAL KK
International Classes:
F24F5/00; F24F3/00; F24F7/10
Attorney, Agent or Firm:
Yuji Iizuka