JPS60162348U - switch device - Google Patents

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のスイッチ装置を示す回路図、第２図はこ
の考案の一実施例を示す回路図、第３図はこの考案の他
の実施例を示す回路図である。 図中、１は起動スイッチ、２は制御回路、３はリレー、
４はトランジスタ、５及び６はリレー３による接点、７
及び９は抵抗、８はコンデンサである。なお、図中同一
符号は同一または相当部分を示す。FIG. 1 is a circuit diagram showing a conventional switch device, FIG. 2 is a circuit diagram showing one embodiment of this invention, and FIG. 3 is a circuit diagram showing another embodiment of this invention. In the figure, 1 is a start switch, 2 is a control circuit, 3 is a relay,
4 is a transistor, 5 and 6 are contacts by relay 3, 7
9 is a resistor, and 8 is a capacitor. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端を直流電源に接続した常時開型スイッチと、このス
イッチの他端に操作コイルの一端を接続したリレーと、
このリレーの操作コイルの他端にコレクタを接続し、グ
ランドにエミッタを接続したトランジスタと、一端を上
記直流電源に接続し他端を上記リレーとスイッチの接続
点に接続し、上記リレーにより駆動される切換接点部と
、上記リレーとスイッチの接続点とトランジスタのベー
ス間に接続された抵抗、又は常閉接点とコンデンサの並
列回路に直列に抵抗を付加した直並列回路と、上記リレ
ーとスイッチの接続点より電源を供給されトランジスタ
のベースに接続された制御回路とを備えたことを特徴と
するスイッチ装置。A normally open switch with one end connected to a DC power supply, and a relay with one end of an operating coil connected to the other end of this switch.
A transistor whose collector is connected to the other end of the operating coil of this relay and whose emitter is connected to the ground, one end of which is connected to the above DC power supply and the other end of which is connected to the connection point of the above relay and switch, is driven by the above relay. A resistor connected between the connection point of the relay and switch and the base of the transistor, or a series-parallel circuit in which a resistor is added in series to a parallel circuit of a normally closed contact and a capacitor, and a resistor connected between the connection point of the relay and switch and the base of the transistor, A switch device comprising: a control circuit supplied with power from a connection point and connected to a base of a transistor.