JPS6010177U

JPS6010177U - refrigeration cycle

Info

Publication number: JPS6010177U
Application number: JP10024783U
Authority: JP
Inventors: 明彦杉山
Original assignee: 株式会社東芝
Priority date: 1983-06-30
Filing date: 1983-06-30
Publication date: 1985-01-24

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図は従来の冷凍サイクルを示す図、第２図はコンプ
レッサの運転周波数と冷媒吐出温度との関係を示すもの
で従来とこの考案の冷凍サイクルを比較して示すグラフ
、第３図はこの考案に係る冷凍サイクルの一実施例を示
す図、第４図はコンプレッサの運転状態における高圧側
分離器と低圧側アキュムレータの液面状態を示す図であ
る。１０・・・冷凍サイクル、１１・・・コンプレッサ、１
２・・・四方弁、１３・・・室外側熱交換器、１４ａ。１４ｂ・・・キャピラリチューブ（固定絞り機構）、１
５・・・室内側熱交換器、１６・・・インバータ、１８
・・・液バイパス回路、２０・・・分離器、２２・・・
アキュムレータ。Figure 1 is a diagram showing a conventional refrigeration cycle, Figure 2 is a graph showing the relationship between compressor operating frequency and refrigerant discharge temperature, and is a graph comparing the conventional refrigeration cycle and the refrigeration cycle of this invention. FIG. 4 is a diagram showing an embodiment of the refrigeration cycle according to the invention, and is a diagram showing the liquid level state of the high-pressure side separator and the low-pressure side accumulator in the operating state of the compressor. 10... Refrigeration cycle, 11... Compressor, 1
2...Four-way valve, 13...Outdoor heat exchanger, 14a. 14b... Capillary tube (fixed aperture mechanism), 1
5... Indoor heat exchanger, 16... Inverter, 18
...Liquid bypass circuit, 20...Separator, 22...
accumulator.

Claims

[Claims for Utility Model Registration] 1. A compressor, a four-way valve, an outdoor heat exchanger, a fixed throttle mechanism, and an indoor heat exchanger are connected in sequence to form a closed refrigerant circulation circuit, and the liquid in the refrigerant circulation circuit is In a refrigeration cycle in which a liquid bypass circuit branched from the refrigerant side piping is connected to the suction side of the compressor and the compressor is driven via an inverter, an accumulator is provided on the refrigerant suction side piping of the compressor, and the accumulator and the compressor are connected to each other. A refrigeration cycle characterized in that the liquid bypass circuit is connected between the refrigeration cycle and the liquid bypass circuit for cooling a compressor. 2. The refrigeration cycle according to claim 1, wherein the liquid bypass circuit has a separator on the upstream side, and the separator is provided in the middle of the fixed throttle mechanism. 3. The refrigeration cycle according to claim 1, wherein the liquid bypass circuit has an upstream inlet opening at the upper part of the separator.