JPS58108792U

JPS58108792U - Single phase induction motor starting device

Info

Publication number: JPS58108792U
Application number: JP629182U
Authority: JP
Inventors: 御園生　常男
Original assignee: 株式会社東芝
Priority date: 1982-01-20
Filing date: 1982-01-20
Publication date: 1983-07-25

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の始動装置を有する冷蔵庫制御回路の一例
を示す構成図、第２図はこの考案の一実施例を示す電気
回路の構成図、−第３図ａ、　ｂ、　　ｃＬｊ同実施例
における正特性サーミスタユニットの外観構成図でａは
正面図、ｂは側面図、Ｃは平面図、第４図は同実施例に
おいて必要に応じて用いるファストン端子の一例を示す
構成−１第５図は同実施例の変形例を示す電気回路の構
成図、第６図ａ、　　ｂは同実施例における正特性サー
ミスタユニットの変形例をそれぞれ示す電気回路の構成
図、第７図ａ、　　ｂ、　　ｃは第６図ａ、　ｂの外観
構成図でａは正面図、ｂは側面図、Ｃは平面図、第８図
ａ。ｂｃｔ第７図ａ、　ｂ、　　ｃにおける接続子を具体的
に　　　、示す斜視構成図である。１・・・単相誘導電動機、２・・・正特性サーミスタユ
ニット、２ａ、　２ｂ、　　２ｂ’−・・外部導出端子
、２Ｃ。２ｄ・・・中継端子、３・・・正特性サーミスタ、４・
・・交流電源、５・・・過電流継電器、６・・・始動装
置、Ｐ１＋’Ｐ２．　Ｐ、、　Ｐ４・・・接続部。、第４図〉（ａ）　　　　　　　　　（ｂ）− 耐７図　　−Fig. 1 is a block diagram showing an example of a conventional refrigerator control circuit having a starter device, Fig. 2 is a block diagram of an electric circuit showing an embodiment of this invention, - Fig. 3 a, b, c Lj Same embodiment In the external configuration diagram of the positive temperature coefficient thermistor unit in the embodiment, a is a front view, b is a side view, C is a plan view, and FIG. 4 is a configuration-1 diagram showing an example of a Faston terminal used as necessary in the same embodiment 6 is a block diagram of an electric circuit showing a modification of the same embodiment, FIGS. 6a and 6b are block diagrams of an electric circuit showing a modification of the positive temperature coefficient thermistor unit in the same embodiment, and FIGS. 7a, b, c 6a and 6b are external configuration diagrams, where a is a front view, b is a side view, C is a plan view, and FIG. 8a. bct is a perspective configuration diagram specifically showing the connectors in FIGS. 7a, b, and c. DESCRIPTION OF SYMBOLS 1...Single-phase induction motor, 2...Positive characteristic thermistor unit, 2a, 2b, 2b'-...External lead-out terminal, 2C. 2d...Relay terminal, 3...Positive characteristic thermistor, 4.
...AC power supply, 5...overcurrent relay, 6...starting device, P1+'P2. P,, P4...Connection part. , Fig. 4〉 (a) (b) - Endurance figure 7 -

Claims

[Scope of utility model registration request]

A positive characteristic thermistor unit that houses a positive characteristic thermistor for starting and is connected between the single-phase induction motor and the power source via an external lead-out terminal, and a positive characteristic thermistor unit that is connected to the current carrying path to the single-phase induction motor. 1. A starting device for a single-phase induction motor, comprising a current relay, and a relay terminal for circuit wiring on one side of the periphery is provided on the outer periphery of the positive temperature coefficient thermistor unit.