JPS63167636U - - Google Patents

Description

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

第１図は本考案リレー回路の一実施例を示す電
気回路図、第２図ａは同じく電源電圧を低い場合
を示すタイミングチヤート、第２図ｂは同じく電
源電圧が高い場合を示すタイミングチヤート、第
２図ｃは同図ｂにおいて符号Ｐで示す部分の拡大
図、第２図ｄは同図ｃにおいて符号Ｑで示す部分
の拡大図、第３図は従来のリレー回路を示す電気
回路図、第４図は同じくタイミングチヤートであ
る。 １：電圧検知回路、２：制御回路、３：リレー
、３ａ：リレーコイル、３ｂ：接点、ＡＣ：商用
電源、Ｂ：負荷。 FIG. 1 is an electric circuit diagram showing an embodiment of the relay circuit of the present invention, FIG. 2a is a timing chart showing a case where the power supply voltage is low, and FIG. 2b is a timing chart showing a case where the power supply voltage is high. FIG. 2c is an enlarged view of the part indicated by the symbol P in FIG. 2b, FIG. 2d is an enlarged view of the part indicated by the symbol Q in FIG. FIG. 4 is also a timing chart. 1: Voltage detection circuit, 2: Control circuit, 3: Relay, 3a: Relay coil, 3b: Contact, AC: Commercial power supply, B: Load.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源電圧の高低を検知する電圧検知回路と、該
電圧検知回路の検知結果に基づきＯＮ時間の割合
の異なるパルス信号を出力する制御回路と、該制
御回路の出力に基づき電源に接続された負荷の電
源回路をＯＮ―ＯＦＦするリレーとが設けられた
ことを特徴とするリレー回路。 A voltage detection circuit that detects the level of the power supply voltage, a control circuit that outputs pulse signals with different ON time ratios based on the detection results of the voltage detection circuit, and a control circuit that detects the load connected to the power supply based on the output of the control circuit. A relay circuit characterized by being provided with a relay that turns on and off a power supply circuit.