JPH0250179U - - Google Patents
Info
- Publication number
- JPH0250179U JPH0250179U JP12877388U JP12877388U JPH0250179U JP H0250179 U JPH0250179 U JP H0250179U JP 12877388 U JP12877388 U JP 12877388U JP 12877388 U JP12877388 U JP 12877388U JP H0250179 U JPH0250179 U JP H0250179U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- output
- circuit
- engine
- generator 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
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
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点火装
置の構成回路図、第２図は従来の機関点火装置の
構成回路図、第３図は第２図の動作波形図である
。
図において、１…発電コイル、３…コンデンサ
、４…信号コイル、７…点火コイル、８…サイリ
スタ、９…逆回転防止回路、１３…点火時期演算
回路、１４…回転数検出回路、１５…トランジス
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 ignition system according to an embodiment of the present invention, FIG. 2 is a configuration circuit diagram of a conventional engine ignition system, and FIG. 3 is an operating waveform diagram of FIG. 2. In the figure, 1... Generator coil, 3... Capacitor, 4... Signal coil, 7... Ignition coil, 8... Thyristor, 9... Reverse rotation prevention circuit, 13... Ignition timing calculation circuit, 14... Rotation speed detection circuit, 15... Transistor. It is. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
コイルと、この発電コイル出力によつて点火用高
電圧を発生する点火回路と、前記発電コイルの所
定極性出力に基づいて前記発電コイル出力が所定
極性である期間には前記点火回路の動作を阻止す
る逆回転防止回路と、機関の回転数を検出する回
転数検出回路と、この回転数検出回路が機関の所
定回転数以上を検出した時、前記逆回転数防止回
路の出力を無効にする回路とを備えたことを特徴
とする機関点火装置。 a generator coil that generates an alternating current output synchronized with the rotation of the engine; an ignition circuit that generates a high voltage for ignition by the output of the generator coil; and a generator coil output that has a predetermined polarity based on a predetermined polarity output of the generator coil A reverse rotation prevention circuit prevents operation of the ignition circuit during a certain period, a rotation speed detection circuit detects the engine rotation speed, and when the rotation speed detection circuit detects the engine rotation speed above a predetermined rotation speed, An engine ignition device comprising: a circuit for disabling the output of a reverse rotation speed prevention circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12877388U JPH0533732Y2 (en) | 1988-10-03 | 1988-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12877388U JPH0533732Y2 (en) | 1988-10-03 | 1988-10-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0250179U true JPH0250179U (en) | 1990-04-09 |
| JPH0533732Y2 JPH0533732Y2 (en) | 1993-08-26 |
Family
ID=31382426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12877388U Expired - Lifetime JPH0533732Y2 (en) | 1988-10-03 | 1988-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533732Y2 (en) |
-
1988
- 1988-10-03 JP JP12877388U patent/JPH0533732Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533732Y2 (en) | 1993-08-26 |
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