JPH0447151U - - Google Patents
Info
- Publication number
- JPH0447151U JPH0447151U JP8949590U JP8949590U JPH0447151U JP H0447151 U JPH0447151 U JP H0447151U JP 8949590 U JP8949590 U JP 8949590U JP 8949590 U JP8949590 U JP 8949590U JP H0447151 U JPH0447151 U JP H0447151U
- Authority
- JP
- Japan
- Prior art keywords
- spark plug
- current detection
- electrode
- cylinder
- output terminal
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 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を示す構成図、第
２図は従来の内燃機関の燃焼検出装置を示す構成
図である。
２……点火コイル、３……高圧コード、５……
点火プラグ、６……放電用電極、７……グランド
電極、８……イオン電流検出用電極、９……出力
端子、１０……気筒、１２……燃焼室、１６，１
８……抵抗器、１７……コンデンサ、２０……Ｅ
ＣＵ、２２……ＤＣ／ＤＣコンバータ（電源手段
）、Ｉ……イオン電流、尚、図中、同一符号は同
一又は相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional combustion detection device for an internal combustion engine. 2...Ignition coil, 3...High voltage cord, 5...
Spark plug, 6... Discharge electrode, 7... Ground electrode, 8... Ion current detection electrode, 9... Output terminal, 10... Cylinder, 12... Combustion chamber, 16, 1
8...Resistor, 17...Capacitor, 20...E
CU, 22...DC/DC converter (power supply means), I...Ion current, and in the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (1)
続された点火プラグと、 この点火プラグに設けられて前記気筒の燃焼室
内に露出された放電用電極、グランド電極及びイ
オン電流検出用電極と、 前記点火プラグに設けられて前記イオン電流検
出用電極に接続された出力端子と、 この出力端子に接続された電源手段及びこの電
源手段に接続されたイオン電流検出回路を含むＥ
ＣＵと、 を備えた内燃機関の燃焼検出装置。[Claims for Utility Model Registration] A spark plug provided in a cylinder and connected to a high-voltage cord of an ignition coil, and a discharge electrode, a ground electrode, and ions provided in the spark plug and exposed inside the combustion chamber of the cylinder. A current detection electrode, an output terminal provided on the spark plug and connected to the ion current detection electrode, a power supply means connected to the output terminal, and an ion current detection circuit connected to the power supply means. E
A combustion detection device for an internal combustion engine, comprising: a CU;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8949590U JPH0447151U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8949590U JPH0447151U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447151U true JPH0447151U (en) | 1992-04-22 |
Family
ID=31823515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8949590U Pending JPH0447151U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447151U (en) |
-
1990
- 1990-08-29 JP JP8949590U patent/JPH0447151U/ja active Pending
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