JPS5952360U

JPS5952360U - Cooling system

Info

Publication number: JPS5952360U
Application number: JP5887983U
Authority: JP
Inventors: 祥一喜多; 岩本　敬一; 順一久保田; 腰高　正典
Original assignee: 三洋電機株式会社
Priority date: 1983-04-19
Filing date: 1983-04-19
Publication date: 1984-04-06

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]

各図は本考案の実施例を示すもので、第１図は冷蔵庫の
側断面図、第２図は冷媒回路図、第３図は電磁弁の縦断
面図、第４図は制御回路図、第５図はタイミングチャー
トである。５・・・蒸発器、７・・・電動圧縮機、７Ｍ・・・電動
圧縮機モータ、８・・・凝縮器、９・・・電磁弁、１．
０・・・キャピラリチューシ、２２・・・サーミスタ、
２３・・・比較器、２６．２９・・・微分回路。第１図 −第３図Each figure shows an embodiment of the present invention. Figure 1 is a side sectional view of a refrigerator, Figure 2 is a refrigerant circuit diagram, Figure 3 is a longitudinal sectional view of a solenoid valve, and Figure 4 is a control circuit diagram. FIG. 5 is a timing chart. 5... Evaporator, 7... Electric compressor, 7M... Electric compressor motor, 8... Condenser, 9... Solenoid valve, 1.
0... Capillary tube, 22... Thermistor,
23... Comparator, 26.29... Differential circuit. Figures 1-3

Claims

[Scope of utility model registration request]

A self-holding solenoid valve that opens and closes the refrigerant flow path is connected to the refrigerant circuit consisting of the compressor, condenser, pressure reduction means, evaporator, etc., and it senses the temperature of the space to be cooled and switches the output within a predetermined temperature range. It has a temperature control circuit that controls the operation of an electric motor that drives the compressor, and a pulse generation circuit that generates a predetermined pulse current that operates the self-holding electromagnetic valve when the output of the temperature control circuit is switched. The self-holding solenoid valve closes the flow path by applying the pulse current in the direction of closing the flow path and maintains that state after closing the flow path, and the self-holding type solenoid valve maintains the state after closing the flow path by applying the pulse current in the direction of opening the flow path. A cooling device characterized in that it is configured to open and maintain that state thereafter.