JPH0328705U - - Google Patents
Info
- Publication number
- JPH0328705U JPH0328705U JP6638089U JP6638089U JPH0328705U JP H0328705 U JPH0328705 U JP H0328705U JP 6638089 U JP6638089 U JP 6638089U JP 6638089 U JP6638089 U JP 6638089U JP H0328705 U JPH0328705 U JP H0328705U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- switching element
- electromagnetic coil
- capacitor
- parallel
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Magnetically Actuated Valves (AREA)
Description
第１図は本考案の電磁コイル駆動回路図、第２
図は本考案の他の実施例を示す電磁コイル駆動回
路図、第３図は別の実施例を示す電磁コイル駆動
回路図である。第４図は第１図の電磁コイル駆動
回路の動作を説明するためのタイムチヤート、第
５図は従来の電磁コイル駆動回路の概要を示す回
路図である。
１〜７……スイツチングトランジスタ、８，９
……ＭＯＳ−ＦＥＴ、２１，２２……ダイオード
、２３……ツエナーダイオード、２４……バリス
タ、２５……コンデンサ、２６……電磁コイル、
３１〜３８……抵抗。
Figure 1 is the electromagnetic coil drive circuit diagram of the present invention, Figure 2
The figure is an electromagnetic coil drive circuit diagram showing another embodiment of the present invention, and FIG. 3 is an electromagnetic coil drive circuit diagram showing another embodiment. FIG. 4 is a time chart for explaining the operation of the electromagnetic coil drive circuit shown in FIG. 1, and FIG. 5 is a circuit diagram showing an outline of the conventional electromagnetic coil drive circuit. 1 to 7...Switching transistor, 8, 9
...MOS-FET, 21, 22 ... diode, 23 ... Zener diode, 24 ... varistor, 25 ... capacitor, 26 ... electromagnetic coil,
31-38...Resistance.
Claims (1)
御する直列に接続された第１のスイツチング素子
と、該第１のスイツチング素子に並列に接続され
たコンデンサとダイオートと、該ダイオートは該
コンデンサに蓄積された電荷を該第１のスイツチ
ング素子を通して放電するのを阻止し、該電磁コ
イルと該ダイオードとに並列に接続された該第２
のスイツチング素子と、該コンデンサに蓄積され
た電荷を電源に回生されるのを阻止する第２のダ
イオードとからなることを特徴とする電磁コイル
駆動回路。 a power supply source for the electromagnetic coil; a first switching element connected in series to control the coil current; a capacitor and a diode connected in parallel to the first switching element; the diode being stored in the capacitor; the second switching element connected in parallel to the electromagnetic coil and the diode.
1. An electromagnetic coil drive circuit comprising: a switching element; and a second diode that prevents the charge accumulated in the capacitor from being regenerated into a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989066380U JPH0727616Y2 (en) | 1989-06-06 | 1989-06-06 | Electromagnetic coil drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989066380U JPH0727616Y2 (en) | 1989-06-06 | 1989-06-06 | Electromagnetic coil drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0328705U true JPH0328705U (en) | 1991-03-22 |
| JPH0727616Y2 JPH0727616Y2 (en) | 1995-06-21 |
Family
ID=31599049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989066380U Expired - Lifetime JPH0727616Y2 (en) | 1989-06-06 | 1989-06-06 | Electromagnetic coil drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727616Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228709A (en) * | 2008-03-19 | 2009-10-08 | Smc Corp | Solenoid valve drive control apparatus and method for driving solenoid valve |
| JP2009289689A (en) * | 2008-05-30 | 2009-12-10 | Yazaki Corp | Relay control device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101415219B1 (en) * | 2011-03-09 | 2014-07-04 | 주식회사 만도 | Coil driving device for electronic brake system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5760811A (en) * | 1980-09-29 | 1982-04-13 | Matsushita Electric Ind Co Ltd | Electromagnetic solenoid driving equipment |
-
1989
- 1989-06-06 JP JP1989066380U patent/JPH0727616Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5760811A (en) * | 1980-09-29 | 1982-04-13 | Matsushita Electric Ind Co Ltd | Electromagnetic solenoid driving equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009228709A (en) * | 2008-03-19 | 2009-10-08 | Smc Corp | Solenoid valve drive control apparatus and method for driving solenoid valve |
| JP2009289689A (en) * | 2008-05-30 | 2009-12-10 | Yazaki Corp | Relay control device |
| US8680717B2 (en) | 2008-05-30 | 2014-03-25 | Yazaki Corporation | Relay controller |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727616Y2 (en) | 1995-06-21 |
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