JPH0252972U - - Google Patents
Info
- Publication number
- JPH0252972U JPH0252972U JP12998388U JP12998388U JPH0252972U JP H0252972 U JPH0252972 U JP H0252972U JP 12998388 U JP12998388 U JP 12998388U JP 12998388 U JP12998388 U JP 12998388U JP H0252972 U JPH0252972 U JP H0252972U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- discharged
- engine
- prevention device
- conduction
- 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
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図はこの考案の一実施例による機関の過回
転防止装置の構成回路図、第２図は第１図の動作
波形図、第３図は従来の機関の過回転防止装置の
構成回路図、第４図は第３図の動作波形図である
。
図において、１…発電コイル、５…信号コイル
、２３，２４，２６…ダイオード、１９，２２，
２７，２８，３０，３３，３４…抵抗、２１，２
５，３１…コンデンサ、３５…サイリスタである
。なお、各図中同一符号は同一又は相当部分を示
す。
Fig. 1 is a configuration circuit diagram of an engine overspeed prevention device according to an embodiment of this invention, Fig. 2 is an operating waveform diagram of Fig. 1, and Fig. 3 is a configuration circuit diagram of a conventional engine overspeed prevention device. , FIG. 4 is an operating waveform diagram of FIG. 3. In the figure, 1... Generator coil, 5... Signal coil, 23, 24, 26... Diode, 19, 22,
27, 28, 30, 33, 34...Resistance, 21, 2
5, 31... capacitor, 35... thyristor. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
コイル、前記回転信号の周期ごとに一定電荷を充
電、放電する第１のコンデンサ、このコンデンサ
の放電電荷により充電され放電する第２のコンデ
ンサ、この第２のコンデンサの端子電圧を検出し
て導通、遮断する開閉素子、この開閉素子の導通
により充電されて放電する第３のコンデンサを有
する機関の過回転防止装置において、前記第３の
コンデンサの一端と電源間に抵抗を接続し、前記
第３のコンデンサの放電時、０レベル以上の予め
設定されたレベルに向けて放電するようにしたこ
とを特徴とする機関の過回転防止装置。 a signal coil that generates a rotation signal synchronized with the rotation of the engine; a first capacitor that charges and discharges a constant charge every cycle of the rotation signal; a second capacitor that is charged and discharged by the discharged charge of this capacitor; In an overspeed prevention device for an engine, the engine overspeed prevention device includes a switching element that detects the terminal voltage of the second capacitor and conducts or interrupts the conduction, and a third capacitor that is charged and discharged by the conduction of the switching element. An over-speed prevention device for an engine, characterized in that a resistor is connected between the power sources, and when the third capacitor is discharged, the discharge is made toward a preset level higher than 0 level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12998388U JPH0252972U (en) | 1988-10-05 | 1988-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12998388U JPH0252972U (en) | 1988-10-05 | 1988-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0252972U true JPH0252972U (en) | 1990-04-17 |
Family
ID=31384745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12998388U Pending JPH0252972U (en) | 1988-10-05 | 1988-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0252972U (en) |
-
1988
- 1988-10-05 JP JP12998388U patent/JPH0252972U/ja active Pending
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