JPS6328884U - - Google Patents
Info
- Publication number
- JPS6328884U JPS6328884U JP12201086U JP12201086U JPS6328884U JP S6328884 U JPS6328884 U JP S6328884U JP 12201086 U JP12201086 U JP 12201086U JP 12201086 U JP12201086 U JP 12201086U JP S6328884 U JPS6328884 U JP S6328884U
- Authority
- JP
- Japan
- Prior art keywords
- timing sensor
- integrator
- ignition timing
- output signal
- ignition
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は、本考案に係る着火時期センサの劣化
検知装置の第１実施例の構成を示す、一部ブロツ
ク線図を含む回路図、第２図は、前記第１実施例
が適用されるデイーゼルエンジンの全体構成を示
す、一部ブロツク線図を含む断面図、第３図は、
前記実施例で用いられる着火時期センサの構成の
例を示す縦断面図、第４図は、本考案の第２実施
例の構成を示す、一部ブロツク線図を含む回路図
である。
１０……デイーゼルエンジン、３８……着火時
期センサ、４２……噴射ポンプ、５６……電子制
御ユニツト（ＥＣＵ）、５６Ａ……中央処理ユニ
ツト（ＣＰＵ）、５６Ｒ……信号処理回路、６０
……タイミング検出回路、６１……劣化検出回路
、６２……増幅器、６３，６５……比較器、６４
……積分器、６６……ゲイン調整回路、ＲＬ……
負荷抵抗。
FIG. 1 is a circuit diagram, including a partial block diagram, showing the configuration of a first embodiment of a deterioration detection device for an ignition timing sensor according to the present invention, and FIG. 2 is a circuit diagram to which the first embodiment is applied. FIG. 3 is a sectional view including a partial block diagram showing the overall configuration of the diesel engine.
FIG. 4 is a vertical cross-sectional view showing an example of the configuration of the ignition timing sensor used in the embodiment, and is a circuit diagram, including a partial block diagram, showing the configuration of the second embodiment of the present invention. 10... Diesel engine, 38... Ignition timing sensor, 42... Injection pump, 56... Electronic control unit (ECU), 56A... Central processing unit (CPU), 56R... Signal processing circuit, 60
...Timing detection circuit, 61...Deterioration detection circuit, 62...Amplifier, 63, 65...Comparator, 64
...Integrator, 66...Gain adjustment circuit, RL...
Load resistance.
Claims (1)
器と、 該積分器の出力信号から前記着火時期センサの
劣化を検知する手段と、 を備えたことを特徴とする着火時期センサの劣化
検知装置。[Claims for Utility Model Registration] An ignition system comprising: an integrator that integrates an output signal waveform of an ignition timing sensor; and means for detecting deterioration of the ignition timing sensor from the output signal of the integrator. Timing sensor deterioration detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12201086U JPS6328884U (en) | 1986-08-08 | 1986-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12201086U JPS6328884U (en) | 1986-08-08 | 1986-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6328884U true JPS6328884U (en) | 1988-02-25 |
Family
ID=31011810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12201086U Pending JPS6328884U (en) | 1986-08-08 | 1986-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6328884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03261403A (en) * | 1990-01-22 | 1991-11-21 | Yoshito Akutsu | Rotation and fall-out preventing device in tie pin or badge or the like fixed with needle |
-
1986
- 1986-08-08 JP JP12201086U patent/JPS6328884U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03261403A (en) * | 1990-01-22 | 1991-11-21 | Yoshito Akutsu | Rotation and fall-out preventing device in tie pin or badge or the like fixed with needle |
| JPH0534001B2 (en) * | 1990-01-22 | 1993-05-21 | Yoshito Akutsu |
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