JPS5857296U - Simultaneous input prevention circuit in forward/reverse rotation switching circuit of three-phase AC motor - Google Patents

Simultaneous input prevention circuit in forward/reverse rotation switching circuit of three-phase AC motor

Info

Publication number
JPS5857296U
JPS5857296U JP15265281U JP15265281U JPS5857296U JP S5857296 U JPS5857296 U JP S5857296U JP 15265281 U JP15265281 U JP 15265281U JP 15265281 U JP15265281 U JP 15265281U JP S5857296 U JPS5857296 U JP S5857296U
Authority
JP
Japan
Prior art keywords
reverse rotation
motor
phase
switching circuit
rotation switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15265281U
Other languages
Japanese (ja)
Inventor
柳井　賢治
Original Assignee
東洋シヤツタ−株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東洋シヤツタ−株式会社 filed Critical 東洋シヤツタ−株式会社
Priority to JP15265281U priority Critical patent/JPS5857296U/en
Publication of JPS5857296U publication Critical patent/JPS5857296U/en
Pending legal-status Critical Current

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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]

図面は本考案の実施例を従来例との比較において示すも
ので、第１図は従来例の回路図、第２図は本考案の回路
図、第３図は交流の時間的電圧の変化を示す線図である
。 ２・・・・・・正転用電磁継電器、５・・・・・・逆転
用電磁継電器、Ａ、　Ｂ・・・・・・ダイオード。The drawings show an embodiment of the present invention in comparison with a conventional example. Fig. 1 is a circuit diagram of the conventional example, Fig. 2 is a circuit diagram of the invention, and Fig. 3 shows the change in alternating current voltage over time. FIG. 2... Electromagnetic relay for forward rotation, 5... Electromagnetic relay for reverse rotation, A, B... Diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 正転用電磁継電器２と逆転用電磁継電器５等を備えた文
体電動機Ｍの正逆回転切換回路において、各電磁継電器
２及び５のコイルと直列に夫々ダイオードＡ及びダイオ
ードＢを接続し、それらダイオードＡとダイオードＢの
向きを相互に逆方向“に配設したことを特徴とする三相
交流電動機の正逆回転切換回路における同時投入防止回
路。In a forward/reverse rotation switching circuit of a motor M equipped with a forward rotation electromagnetic relay 2, a reverse rotation electromagnetic relay 5, etc., a diode A and a diode B are connected in series with the coils of the electromagnetic relays 2 and 5, respectively. A simultaneous input prevention circuit in a forward/reverse rotation switching circuit of a three-phase AC motor, characterized in that diode B and diode B are arranged in opposite directions.
JP15265281U 1981-10-13 1981-10-13 Simultaneous input prevention circuit in forward/reverse rotation switching circuit of three-phase AC motor Pending JPS5857296U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15265281U JPS5857296U (en) 1981-10-13 1981-10-13 Simultaneous input prevention circuit in forward/reverse rotation switching circuit of three-phase AC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15265281U JPS5857296U (en) 1981-10-13 1981-10-13 Simultaneous input prevention circuit in forward/reverse rotation switching circuit of three-phase AC motor

Publications (1)

Publication Number Publication Date
JPS5857296U true JPS5857296U (en) 1983-04-18

Family

ID=29945293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15265281U Pending JPS5857296U (en) 1981-10-13 1981-10-13 Simultaneous input prevention circuit in forward/reverse rotation switching circuit of three-phase AC motor

Country Status (1)

Country Link
JP (1) JPS5857296U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5482011A (en) * 1977-12-13 1979-06-29 Nippon Shiyatsutaa Gijiyutsu K Interlocking circuit for rotation switching circuit of motor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5482011A (en) * 1977-12-13 1979-06-29 Nippon Shiyatsutaa Gijiyutsu K Interlocking circuit for rotation switching circuit of motor

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