JPH0163748U - - Google Patents
Info
- Publication number
- JPH0163748U JPH0163748U JP1987159384U JP15938487U JPH0163748U JP H0163748 U JPH0163748 U JP H0163748U JP 1987159384 U JP1987159384 U JP 1987159384U JP 15938487 U JP15938487 U JP 15938487U JP H0163748 U JPH0163748 U JP H0163748U
- Authority
- JP
- Japan
- Prior art keywords
- clipping
- abnormality detection
- exclusive
- circuit system
- moving 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.)
- Pending
Links
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図から第３図までの図面は本考案の一実施
例を示すものであり、第１図は制御用回路系と異
常検出装置の回路ブロツク図、第２図はガバナア
クチユエータの概略図、第３図はタイムチヤート
、第４図はコンピユータを用いた場合のプログラ
ムのフローチヤートである。また、第５図は制御
用回路系と従来の異常検出装置とを示す回路図で
ある。
１……燃料噴射ポンプ、２……ガバナ、３……
コントロール部材、５……ガバナアクチユエータ
、６……磁石、８……可動コイル、１０……制御
用回路系、１１……駆動信号発生回路、１２……
駆動回路、２０……異常検出装置、２１，２２…
…クリツプ手段、２５……排他的論理和手段、２
６……判定手段（第１分周器）。
The drawings from Fig. 1 to Fig. 3 show one embodiment of the present invention, Fig. 1 is a circuit block diagram of the control circuit system and abnormality detection device, and Fig. 2 is a schematic diagram of the governor actuator. 3 is a time chart, and FIG. 4 is a flowchart of a program when a computer is used. Further, FIG. 5 is a circuit diagram showing a control circuit system and a conventional abnormality detection device. 1...Fuel injection pump, 2...Governor, 3...
Control member, 5... Governor actuator, 6... Magnet, 8... Moving coil, 10... Control circuit system, 11... Drive signal generation circuit, 12...
Drive circuit, 20... Abnormality detection device, 21, 22...
...Clip means, 25...Exclusive OR means, 2
6... Judgment means (first frequency divider).
Claims (1)
電圧を交互に付与して交番磁界を生じさせ、その
デユーテイ比に応じて磁石に対する可動コイルの
位置を制御するための回路系における異常を検出
する装置であつて、上記可動コイルの両端の電圧
をクリツプする一対のクリツプ手段と、両クリツ
プ手段からの出力を受ける排他的論理和手段と、
排他的論理和手段の出力を受けその出力が所定時
間Ｌレベルを維持した時に異常検出信号を出力す
る判定手段とを備えたことを特徴とするガバナア
クチユエータ制御用回路系の異常検出装置。 A device that detects abnormalities in the circuit system that alternately applies reverse voltages to the moving coil of the governor actuator to generate an alternating magnetic field and controls the position of the moving coil with respect to the magnet according to the duty ratio. a pair of clipping means for clipping the voltage at both ends of the movable coil; and exclusive OR means for receiving outputs from both clipping means;
1. An abnormality detection device for a governor actuator control circuit system, comprising determining means for receiving the output of the exclusive OR means and outputting an abnormality detection signal when the output maintains an L level for a predetermined period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159384U JPH0163748U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159384U JPH0163748U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163748U true JPH0163748U (en) | 1989-04-24 |
Family
ID=31440549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159384U Pending JPH0163748U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163748U (en) |
-
1987
- 1987-10-20 JP JP1987159384U patent/JPH0163748U/ja active Pending
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