JPH0373874U

JPH0373874U -

Info

Publication number: JPH0373874U
Application number: JP13395689U
Authority: JP
Priority date: 1989-11-20
Filing date: 1989-11-20
Publication date: 1991-07-25

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の冷媒回路図、第２
図は上記実施例のアキユムレータの拡大断面図、
第３図は従来の空気調和機の冷媒回路図、第４図
は従来のアキユムレータの拡大断面図である。１…圧縮機、２…四方弁、３，３Ａ…アキユム
レータ、３ａ…ハウジング、３ｂ…入口管、３ｃ
…液分離部、３ｄ…出口管、３ｅ…油戻し管、３
ｆ…油戻し穴、４…室外熱交換器、５…室内熱交
換器、６…暖房用絞り、７…冷房用絞り、８…室
内熱交換器、９…流量調整弁、１０…圧力センサ
、１１…温度センサ、１２…制御器、１３…吸入
管。 Fig. 1 is a refrigerant circuit diagram of an embodiment of the present invention;
The figure is an enlarged sectional view of the accumulator of the above embodiment.
FIG. 3 is a refrigerant circuit diagram of a conventional air conditioner, and FIG. 4 is an enlarged sectional view of a conventional accumulator. 1... Compressor, 2... Four-way valve, 3, 3A... Accumulator, 3a... Housing, 3b... Inlet pipe, 3c
...liquid separation section, 3d...outlet pipe, 3e...oil return pipe, 3
f... Oil return hole, 4... Outdoor heat exchanger, 5... Indoor heat exchanger, 6... Heating throttle, 7... Cooling throttle, 8... Indoor heat exchanger, 9... Flow rate adjustment valve, 10... Pressure sensor, 11...Temperature sensor, 12...Controller, 13...Suction pipe.

Claims

[Scope of utility model registration request]

In an air conditioner equipped with an accumulator and a compressor, a flow rate adjustment valve provided on an oil return pipe leading to the accumulator and merging into the suction pipe of the compressor, a pressure sensor detecting the internal pressure of the compressor;
A temperature sensor that detects the dome temperature of the compressor,
and a controller that controls the flow rate adjustment valve so as to maintain the compressor dome temperature detected by the temperature sensor at a predetermined temperature difference with respect to the pressure saturation temperature of the compressor internal pressure detected by the pressure sensor. air conditioner.