JPH0252967U - - Google Patents
Info
- Publication number
- JPH0252967U JPH0252967U JP13172088U JP13172088U JPH0252967U JP H0252967 U JPH0252967 U JP H0252967U JP 13172088 U JP13172088 U JP 13172088U JP 13172088 U JP13172088 U JP 13172088U JP H0252967 U JPH0252967 U JP H0252967U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- speed detection
- detection circuit
- circuit
- output
- 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点火装
置の回路図、第２図は従来の機関点火装置の回路
図である。
図において、１…発電コイル、２…ダイオード
、３…コンデンサ、８…点火コイル、９…サイリ
スタ、１１…点火プラグ、１７…回転数検出回路
、１８…サイリスタ、２０…ダイオード、２９，
３２…コンデンサ、３５…第１のトランジスタ、
３６…第２のトランジスタ、３７…抵抗である。
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 circuit diagram of an engine ignition system according to an embodiment of this invention, and FIG. 2 is a circuit diagram of a conventional engine ignition system. In the figure, 1... Generator coil, 2... Diode, 3... Capacitor, 8... Ignition coil, 9... Thyristor, 11... Spark plug, 17... Rotation speed detection circuit, 18... Thyristor, 20... Diode, 29,
32... Capacitor, 35... First transistor,
36...Second transistor, 37...Resistor.
Note that the same reference numerals in each figure indicate the same or corresponding parts.
補正 平２．１．１１
実用新案登録請求の範囲を次のように補正する
。Amendment 2.1.11. The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
一つの発電コイルで発生される交流出力の正波
で点火用電源を、この交流出力の負波で点火時期
信号を得ている自己トリガ方式の機関点火装置に
おいて、前記交流出力の負波により機関の回転数
を検出する回転数検出回路と、この回転数検出回
路の入力側に接続され、前記交流出力の負波によ
り充電されるコンデンサ回路と、前記回転数検出
回路の出力に応じて前記回転数検出回路の出力側
に接続されたサイリスタの接続／遮断を切換える
スイツチング回路とを備え、前記回転数検出回路
および前記スイツチング回路の電源は前記コンデ
ンサ回路より得ていることを特徴とする機関点火
装置。[Claim for Utility Model Registration] In a self-trigger type engine ignition system, the ignition power source is obtained from the positive wave of the AC output generated by one power generation coil, and the ignition timing signal is obtained from the negative wave of the AC output, a rotation speed detection circuit that detects the rotation speed of the engine using the negative wave of the AC output; a capacitor circuit connected to the input side of the rotation speed detection circuit and charged by the negative wave of the AC output; and the rotation speed detection circuit. and a switching circuit that switches connection/cutoff of a thyristor connected to the output side of the rotational speed detection circuit according to the output of the circuit, and the power for the rotational speed detection circuit and the switching circuit is obtained from the capacitor circuit. An engine ignition system characterized by:
Claims (1)
で点火用電源を、この交流出力の負波で点火時期
信号を得ている自己トリガ方式の機関点火装置に
おいて、前記交流出力の負波により機関の回転数
を検出する回転数検出回路と、この回転数検出回
路の入力側に接続され、前記交流出力の負波によ
り充電されるコンデンサ回路と、前記回転数検出
回路の出力に応じて前記回転数検出回路の出力側
に接続された抵抗の接続／遮断を切換えるスイツ
チング回路とを備え、前記回転数検出回路および
前記スイツチング回路の電源は前記コンデンサ回
路より得ていることを特徴とする機関点火装置。 In a self-trigger type engine ignition system, the positive wave of the AC output generated by one generating coil is used as the ignition power source, and the negative wave of the AC output is used to obtain the ignition timing signal. a rotation speed detection circuit that detects the rotation speed of the rotation speed detection circuit; a capacitor circuit connected to the input side of the rotation speed detection circuit and charged by the negative wave of the AC output; and a switching circuit for switching connection/cutoff of a resistor connected to the output side of the rotation speed detection circuit, and the engine ignition device is characterized in that the power source for the rotation speed detection circuit and the switching circuit is obtained from the capacitor circuit. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13172088U JPH0252967U (en) | 1988-10-11 | 1988-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13172088U JPH0252967U (en) | 1988-10-11 | 1988-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0252967U true JPH0252967U (en) | 1990-04-17 |
Family
ID=31388048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13172088U Pending JPH0252967U (en) | 1988-10-11 | 1988-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0252967U (en) |
-
1988
- 1988-10-11 JP JP13172088U patent/JPH0252967U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH023067U (en) | ||
| JPS61184872U (en) | ||
| JPH0452967U (en) | ||
| JPH01166773U (en) | ||
| JPH0252967U (en) | ||
| JPS6216771U (en) | ||
| JPS6216769U (en) | ||
| JPH0250179U (en) | ||
| JPS6216773U (en) | ||
| JPH01158566U (en) | ||
| JPS6247775U (en) | ||
| JPH02126077U (en) | ||
| JPH01158567U (en) | ||
| JPS6287179U (en) | ||
| JPS62190866U (en) | ||
| JPS6411374U (en) | ||
| JPS6216770U (en) | ||
| JPS6326773U (en) | ||
| JPS58191382U (en) | Ignition system for internal combustion engines | |
| JPS62171381U (en) | ||
| JPS6353889U (en) | ||
| JPS63198472U (en) | ||
| JPS6216772U (en) | ||
| JPS6247776U (en) | ||
| JPS63164570U (en) |