JPS607142U - Coil drive circuit device - Google Patents

Coil drive circuit device

Info

Publication number
JPS607142U
JPS607142U JP9905183U JP9905183U JPS607142U JP S607142 U JPS607142 U JP S607142U JP 9905183 U JP9905183 U JP 9905183U JP 9905183 U JP9905183 U JP 9905183U JP S607142 U JPS607142 U JP S607142U
Authority
JP
Japan
Prior art keywords
power supply
coil
transistor
circuit device
drive coil
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.)
Granted
Application number
JP9905183U
Other languages
Japanese (ja)
Other versions
JPH021007Y2 (en
Inventor
興一 岡村
熊本　正高
Original Assignee
株式会社ピ−エフユ−
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 株式会社ピ−エフユ− filed Critical 株式会社ピ−エフユ−
Priority to JP9905183U priority Critical patent/JPS607142U/en
Publication of JPS607142U publication Critical patent/JPS607142U/en
Application granted granted Critical
Publication of JPH021007Y2 publication Critical patent/JPH021007Y2/ja
Granted legal-status Critical Current

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  • Relay Circuits (AREA)

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 the drawing]

第１図は駆動装置の例を示し、第２図は従来コイル駆動
回路装置を示し、第３図は本考案の回路装置あ一実施例
を示し、第４図は第３図図示回路装置の動作を説明する
図を示す。 図中、１は駆動装置、２は可動鉄片、３は駆動コイル、
５−２．５−３はツェナダイオード、６゜７．８はトラ
ンジスタ、Ｔは本考案に係るフライバック電圧消去時間
、Ｔ′は従来の回路のフライバック電圧消去時間である
。Fig. 1 shows an example of a drive device, Fig. 2 shows a conventional coil drive circuit device, Fig. 3 shows an embodiment of the circuit device of the present invention, and Fig. 4 shows the circuit device shown in Fig. 3. A diagram illustrating the operation is shown. In the figure, 1 is a drive device, 2 is a movable iron piece, 3 is a drive coil,
5-2.5-3 is a Zener diode, 6°7.8 is a transistor, T is the flyback voltage erasing time according to the present invention, and T' is the flyback voltage erasing time of the conventional circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 駆動コイルの１端を正電源に接続する正電源用トランジ
スタおよび負電源に接続する負電源用トランジスタと、
前記駆動コイルの他端を接地する接地用トランジスタお
よび正電源に接続するツェナダイオードとからなり、前
記駆動コイルに電流を流す場合に前記正電源用トランジ
スタおよび前記接地用トランジスタを導通状態にし、前
記駆動コイルに流れている電流を遮断する場合に前記接
地用トランジスタを非導通状態にし、所定時間経過後に
前記正電源用トランジスタを非導通状態にするとともに
前記負電源用トランジスタを所定時−間導通状態にする
ことにより前記駆動コイルに電流を流し、フライバッグ
電圧を低下させるように構成したことを特徴とするコイ
ル駆動回路装置。a positive power supply transistor that connects one end of the drive coil to a positive power supply; a negative power supply transistor that connects one end of the drive coil to the negative power supply;
It consists of a grounding transistor that grounds the other end of the drive coil, and a Zener diode that connects to a positive power supply, and when a current flows through the drive coil, the positive power supply transistor and the grounding transistor are rendered conductive, and the drive coil When cutting off the current flowing through the coil, the grounding transistor is brought into a non-conducting state, and after a predetermined period of time, the positive power supply transistor is brought into a non-conducting state, and the negative power supply transistor is brought into a conductive state for a predetermined period of time. A coil drive circuit device characterized in that the coil drive circuit device is configured to cause a current to flow through the drive coil and thereby reduce a flybag voltage.
JP9905183U 1983-06-27 1983-06-27 Coil drive circuit device Granted JPS607142U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9905183U JPS607142U (en) 1983-06-27 1983-06-27 Coil drive circuit device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9905183U JPS607142U (en) 1983-06-27 1983-06-27 Coil drive circuit device

Publications (2)

Publication Number Publication Date
JPS607142U true JPS607142U (en) 1985-01-18
JPH021007Y2 JPH021007Y2 (en) 1990-01-11

Family

ID=30234901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9905183U Granted JPS607142U (en) 1983-06-27 1983-06-27 Coil drive circuit device

Country Status (1)

Country Link
JP (1) JPS607142U (en)

Also Published As

Publication number Publication date
JPH021007Y2 (en) 1990-01-11

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