JPS6068362U

JPS6068362U - Refrigerant circuit switching device

Info

Publication number: JPS6068362U
Application number: JP16017583U
Authority: JP
Inventors: 宮脇　康雄; 立木　広
Original assignee: 日本電信電話株式会社; ダイキン工業株式会社
Priority date: 1983-10-18
Filing date: 1983-10-18
Publication date: 1985-05-15
Also published as: JPH0127020Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す冷媒回路切替装置の構
成図、第２図は本考案の実施例の説明図で電磁弁の動作
例の図、第３図は本考案の実施例の運転モードの制御フ
ロー、第４図〜第６図は、本考案の実施例の冷媒回路切
替装置を用いた空冷ヒートポンプ空調装置の動作態様図
。 −ａ・・・室内ユニット、□ｂ・・・室外ユニット、Ｃ
・・・熱回収ユニット、ｄ・・・冷媒回路切替装置、１
・・・圧縮機、２・・・四路切換弁、３・・・室内側熱
交換器、４・・・膨張弁、５・・・逆止弁、６・・・ド
ライヤフ、イルター、７・・・受液器、８・・・サクシ
ョンアキュムレーター、　・９・・・ファン、１０・・
・止弁、１１・・・電磁弁、１２・・・電磁弁、１３・
・・制御装置、１４・・・逆止弁、１５・・・逆止弁、
１６．１６’・・・冷媒配管、１７・・・膨張弁、１８
・・・逆止弁、１９・・・室外側熱交換器、２０・・・
ファン、２１・・・キャピラリーチューブ、２２・・・
室内側熱交換器、２３・・・ファン、２４．２４’・・
・　、冷媒配管、２５．２５’・・・冷媒配管、３０・
・・収納箱。Fig. 1 is a block diagram of a refrigerant circuit switching device showing an embodiment of the present invention, Fig. 2 is an explanatory diagram of the embodiment of the invention and shows an example of the operation of a solenoid valve, and Fig. 3 is an embodiment of the invention. 4 to 6 are operational mode diagrams of an air-cooled heat pump air conditioner using the refrigerant circuit switching device of the embodiment of the present invention. -a...Indoor unit, □b...Outdoor unit, C
...Heat recovery unit, d...Refrigerant circuit switching device, 1
... Compressor, 2... Four-way switching valve, 3... Indoor heat exchanger, 4... Expansion valve, 5... Check valve, 6... Dryer filter, Ilter, 7... ...Liquid receiver, 8...Suction accumulator, 9...Fan, 10...
・Stop valve, 11... Solenoid valve, 12... Solenoid valve, 13.
...Control device, 14...Check valve, 15...Check valve,
16.16'... Refrigerant piping, 17... Expansion valve, 18
...Check valve, 19...Outdoor heat exchanger, 20...
Fan, 21... Capillary tube, 22...
Indoor heat exchanger, 23...Fan, 24.24'...
・ , Refrigerant piping, 25.25'... Refrigerant piping, 30.
・Storage box.

Claims

[Scope of utility model registration request]

An indoor unit for heating and cooling equipped with a compressor, a heat exchanger, a fan, and a four-way switching valve; an outdoor unit equipped with a heat exchanger and fan connected to this indoor unit via refrigerant piping; a heat exchanger; and a fan. In an air-cooled heat pump air conditioner consisting of one or more heat recovery units equipped with
A storage box 30 is disposed between the refrigerant circuits connecting the indoor unit and the outdoor unit, and the indoor unit and the heat recovery unit, respectively. A liquid container 7 and a solenoid valve 12 are provided, and a refrigerant pipe 25 is installed between the liquid receiver 7 and the solenoid valve 12.
A liquid refrigerant circuit is provided with a solenoid valve 11 and a check valve 14 in parallel, and has refrigerant pipes 16' and 24'. 1
5, a gas refrigerant circuit having parallel refrigerant pipes 16 and 24, and a control device 13 having a sushi, a timer, a pressure switch, and connection means for these, and is used for cooling, heating, Adapts to each operation mode of heat recovery,
A refrigerant circuit switching device characterized in that the refrigerant circuit switching device is configured to switch between two refrigerant circuits consisting of the liquid refrigerant circuit and the gas refrigerant circuit of the air-cooled human pump air conditioner.