JPH0379406U - - Google Patents
Info
- Publication number
- JPH0379406U JPH0379406U JP13990689U JP13990689U JPH0379406U JP H0379406 U JPH0379406 U JP H0379406U JP 13990689 U JP13990689 U JP 13990689U JP 13990689 U JP13990689 U JP 13990689U JP H0379406 U JPH0379406 U JP H0379406U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- level signal
- outputs
- pulse signal
- closing
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Relay Circuits (AREA)
Description
図面は本考案の一実施例を示し、第１図は本考
案の電気的構成を示す結線図、第２図乃至第４図
は作用説明用の各部の信号波形図、第５図は従来
の回路図である。
図面中、４……操作コイル、５……ＦＥＴ（ス
イツチング素子）、６，７，８……フライホイー
ル回路用定電圧ダイオード、トランジスタ、ダイ
オード、１０……電圧検出回路、１１……タイマ
回路、１２……ゲイン回路、１３……基準波発生
回路、１４……比較回路、１５……パルス出力回
路、１９……積分回路を示す。
The drawings show one embodiment of the present invention. Fig. 1 is a wiring diagram showing the electrical configuration of the invention, Figs. 2 to 4 are signal waveform diagrams of various parts for explaining the operation, and Fig. 5 is a diagram of the conventional one. It is a circuit diagram. In the drawings, 4... operating coil, 5... FET (switching element), 6, 7, 8... constant voltage diode for flywheel circuit, transistor, diode, 10... voltage detection circuit, 11... timer circuit, 12...Gain circuit, 13...Reference wave generation circuit, 14...Comparison circuit, 15...Pulse output circuit, 19...Integrator circuit.
Claims (1)
よりオン、オフされて前記操作コイルに電源電圧
を供給するスイツチング素子と、前記電源電圧を
検出する電圧検出回路と、この電圧検出回路の検
出電圧に応じた投入用レベル信号を出力し、設定
時間後にその検出電圧に基づいて投入用レベル信
号よりも高い保持用レベル信号を出力するゲイン
回路と、この出力を積分する積分回路と、三角波
を発生する基準波発生回路と、この基準波発生回
路の三角波と前記ゲイン回路の投入用レベル信号
とを比較して一定周期の投入用パルス信号を出力
し、設定時間後に前記三角波と保持用レベル信号
とを比較して前記投入用パルス信号よりもデユー
テイ比の小なる保持用パルス信号を出力する比較
回路と、この比較回路の投入用パルス信号及び保
持用パルス信号を前記スイツチング素子に供給す
るパルス出力回路とを具備してなる電磁石のコイ
ル駆動装置。 an operating coil that excites the electromagnet; a switching element that is turned on and off by a pulse signal to supply a power supply voltage to the operating coil; a voltage detection circuit that detects the power supply voltage; A gain circuit that outputs a closing level signal and, after a set time, outputs a holding level signal higher than the closing level signal based on the detected voltage, an integrating circuit that integrates this output, and a reference wave that generates a triangular wave. The generating circuit compares the triangular wave of the reference wave generating circuit with the input level signal of the gain circuit, outputs a constant period input pulse signal, and compares the triangular wave with the holding level signal after a set time. and a pulse output circuit that supplies the closing pulse signal and the holding pulse signal of the comparison circuit to the switching element. An electromagnetic coil drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13990689U JPH0379406U (en) | 1989-12-04 | 1989-12-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13990689U JPH0379406U (en) | 1989-12-04 | 1989-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0379406U true JPH0379406U (en) | 1991-08-13 |
Family
ID=31686922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13990689U Pending JPH0379406U (en) | 1989-12-04 | 1989-12-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0379406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19526038B4 (en) * | 1994-07-15 | 2005-02-03 | Mitsubishi Denki K.K. | Electromagnetic circuit arrangement and control method |
-
1989
- 1989-12-04 JP JP13990689U patent/JPH0379406U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19526038B4 (en) * | 1994-07-15 | 2005-02-03 | Mitsubishi Denki K.K. | Electromagnetic circuit arrangement and control method |
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