JPS60165773U

JPS60165773U - Air conditioner defrost cycle

Info

Publication number: JPS60165773U
Application number: JP5191484U
Authority: JP
Inventors: 加藤　鈞; 穐山　光雄; 一成南
Original assignee: 株式会社日立製作所
Priority date: 1984-04-11
Filing date: 1984-04-11
Publication date: 1985-11-02

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 drawings]

第１図は従±のヒートポンプ式空気調和機の冷媒回路図
、第２図は本考案によるヒートポンプ式空気調和機の冷
媒回路図をそれぞれ示す。　　　　　　１・・・四方弁
、２・・・室外熱交換器、３・・・室内熱交゛換器、４
・・・圧縮機、５・・・冷房用キャピラリチューブ、６
・・・暖房用キャピラ７リチ二−ブ、７・・・二方電磁
弁、８・・・逆止弁。FIG. 1 shows a refrigerant circuit diagram of a conventional heat pump type air conditioner, and FIG. 2 shows a refrigerant circuit diagram of a heat pump type air conditioner according to the present invention. 1...Four-way valve, 2...Outdoor heat exchanger, 3...Indoor heat exchanger, 4
...Compressor, 5...Capillary tube for cooling, 6
...Heating capillary 7-return valve, 7...Two-way solenoid valve, 8...Check valve.

Claims

[Scope of utility model registration request]

, In an air conditioner that has a compressor, a four-way valve, an outdoor heat exchanger, and an indoor heat exchanger, a cooling capillary tube and a heating capillary tube are installed in the refrigerant circuit between the outdoor heat exchanger and the indoor heat exchanger. - A solenoid valve and a check valve are connected in series to the heating capillary tube and the cooling capillary tube, and the two-way solenoid valve is opened during defrosting, and the two-way solenoid valve is The defrost cycle of an air conditioner consists of a defrost circuit in which refrigerant flows through a check valve and a check valve.