JPS6370019U - - Google Patents
Info
- Publication number
- JPS6370019U JPS6370019U JP16428186U JP16428186U JPS6370019U JP S6370019 U JPS6370019 U JP S6370019U JP 16428186 U JP16428186 U JP 16428186U JP 16428186 U JP16428186 U JP 16428186U JP S6370019 U JPS6370019 U JP S6370019U
- Authority
- JP
- Japan
- Prior art keywords
- level signal
- sensor
- comparing
- signal value
- control device
- 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
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000004092 self-diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案のクレーム対応図、第２図は本
考案を適用したエンジンの実施例をあらわす概略
構成図、第３図は制御装置をあらわすブロツク図
、第４図は本考案の実施例をあらわすフローチヤ
ート、第５図は機関の水温信号系統の検出レベル
信号値をあらわすグラフ、第６図は各制御系統で
異常が発生した場合のチエツクエンジンランプの
点滅状態をあらわす説明図である。
１…エンジン本体、１５…水温センサ、５０…
制御装置、５１…中央処理ユニツト（ＣＰＵ）、
５２…リードオンリメモリ（ＲＯＭ）、５３…ラ
ンダムアクセスメモリ（ＲＡＭ）、５４…バツク
アツプランダムアクセスメモリ、５５…Ａ／Ｄ変
換回路。
Fig. 1 is a complaint correspondence diagram of the present invention, Fig. 2 is a schematic configuration diagram showing an embodiment of an engine to which the present invention is applied, Fig. 3 is a block diagram showing a control device, and Fig. 4 is an embodiment of the present invention. 5 is a graph showing the detection level signal value of the engine water temperature signal system, and FIG. 6 is an explanatory diagram showing the blinking state of the check engine lamp when an abnormality occurs in each control system. 1...Engine body, 15...Water temperature sensor, 50...
Control device, 51... central processing unit (CPU),
52... Read only memory (ROM), 53... Random access memory (RAM), 54... Backup random access memory, 55... A/D conversion circuit.
Claims (1)
イミング毎に出力する手段と、この手段の出力す
るレベル信号値を前回のレベル信号値と比較する
手段と、該比較手段により比較された両レベル信
号値が所定値を超えて大きく違うとき異常と判定
する手段とを備えたことを特徴とする制御装置用
センサの自己診断装置。 means for outputting a level signal corresponding to the output of the sensor at every predetermined timing; means for comparing the level signal value outputted by this means with the previous level signal value; and both level signal values compared by the comparing means. 1. A self-diagnosis device for a sensor for a control device, comprising means for determining an abnormality when the difference greatly exceeds a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16428186U JPS6370019U (en) | 1986-10-28 | 1986-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16428186U JPS6370019U (en) | 1986-10-28 | 1986-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6370019U true JPS6370019U (en) | 1988-05-11 |
Family
ID=31093254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16428186U Pending JPS6370019U (en) | 1986-10-28 | 1986-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6370019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0447223A (en) * | 1990-06-14 | 1992-02-17 | Tokyo Gas Co Ltd | Integrated type flowmeter |
| JP2013099553A (en) * | 2004-07-13 | 2013-05-23 | Dexcom Inc | Method for evaluating sensor data and method for processing glucose sensor data |
-
1986
- 1986-10-28 JP JP16428186U patent/JPS6370019U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0447223A (en) * | 1990-06-14 | 1992-02-17 | Tokyo Gas Co Ltd | Integrated type flowmeter |
| JP2013099553A (en) * | 2004-07-13 | 2013-05-23 | Dexcom Inc | Method for evaluating sensor data and method for processing glucose sensor data |