JPH0420101U - - Google Patents
Info
- Publication number
- JPH0420101U JPH0420101U JP1990058509U JP5850990U JPH0420101U JP H0420101 U JPH0420101 U JP H0420101U JP 1990058509 U JP1990058509 U JP 1990058509U JP 5850990 U JP5850990 U JP 5850990U JP H0420101 U JPH0420101 U JP H0420101U
- Authority
- JP
- Japan
- Prior art keywords
- output
- level
- driving
- counter
- control circuit
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
Landscapes
- Safety Devices In Control Systems (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Stepping Motors (AREA)
Description
第１図は本考案の一実施例の駆動装置２１の電
気的構成を示すブロツク図、第２図は駆動装置２
１が用いられるアンチロツクブレーキ装置の構成
を示すブロツク図、第３図はアンチロツクブレー
キ装置の動作を説明するための車輪速と制動油圧
との関係を示すタイミングチヤート、第４図〜第
８図はインレツトバルブ３３の電磁ソレノイドお
よび出力回路２３の異常検出動作を説明するため
の波形図、第９図は第４図〜第８図で示される異
常検出動作を説明するためのフローチヤート、第
１０図は従来技術の駆動装置１の電気的構成を示
すブロツク図、第１１図および第１２図は駆動装
置１の出力回路７および負荷２の異常検出動作を
説明するためのタイミングチヤートである。
２１……駆動装置、２２……処理回路、２３…
…出力回路、２４……出力モニタ回路、３１……
ブレーキペダル、３３，３９……バルブ、４０…
…油圧ポンプ、４１……制御部、４２，４３……
比較部、４４，４５……カウンタ、６３……出力
トランジスタ。
FIG. 1 is a block diagram showing the electrical configuration of a drive device 21 according to an embodiment of the present invention, and FIG.
1 is a block diagram showing the configuration of an anti-lock brake system in which the anti-lock brake system is used, FIG. 3 is a timing chart showing the relationship between wheel speed and braking oil pressure to explain the operation of the anti-lock brake system, and FIGS. 4 to 8 are 9 is a waveform diagram for explaining the abnormality detection operation of the electromagnetic solenoid of the inlet valve 33 and the output circuit 23, FIG. 9 is a flowchart for explaining the abnormality detection operation shown in FIGS. 4 to 8, and FIG. FIG. 10 is a block diagram showing the electrical configuration of the conventional drive device 1, and FIGS. 11 and 12 are timing charts for explaining the abnormality detection operation of the output circuit 7 and load 2 of the drive device 1. 21... Drive device, 22... Processing circuit, 23...
...Output circuit, 24...Output monitor circuit, 31...
Brake pedal, 33, 39...Valve, 40...
...Hydraulic pump, 41...Control unit, 42, 43...
Comparison section, 44, 45... Counter, 63... Output transistor.
Claims (1)
負荷へ駆動出力を導出する負荷駆動装置において
、 前記駆動出力のレベルと駆動信号のレベルとを
比較する比較手段と、 前記比較手段の出力に応答し、駆動出力が一方
レベルであり、駆動信号が他方レベルである不一
致期間を積算する第１カウンタと、 比較手段の出力に応答し、駆動出力が他方レベ
ルであり、駆動信号が一方レベルである不一致期
間を積算する第２カウンタとを含み、 前記制御回路は、前記第１および第２カウンタ
の出力に応答し、第１または第２カウンタの積算
値が予め定める値以上となつた時点で、前記駆動
信号の出力を停止することを特徴とする負荷駆動
装置。[Claims for Utility Model Registration] In a load driving device in which an output circuit derives a driving output to a load in response to a driving signal from a control circuit, a comparison means for comparing the level of the driving output and the level of the driving signal; , a first counter responsive to the output of the comparing means, for integrating a mismatch period in which the drive output is at one level and the drive signal is at the other level; , a second counter that integrates the mismatch period when the drive signal is at one level, and the control circuit is responsive to the outputs of the first and second counters, and the control circuit is configured such that the integrated value of the first or second counter is predetermined. A load driving device characterized in that outputting the drive signal is stopped when the value exceeds a value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990058509U JP2555862Y2 (en) | 1990-06-01 | 1990-06-01 | Load drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990058509U JP2555862Y2 (en) | 1990-06-01 | 1990-06-01 | Load drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0420101U true JPH0420101U (en) | 1992-02-20 |
| JP2555862Y2 JP2555862Y2 (en) | 1997-11-26 |
Family
ID=31584183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990058509U Expired - Lifetime JP2555862Y2 (en) | 1990-06-01 | 1990-06-01 | Load drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2555862Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56169666A (en) * | 1980-06-03 | 1981-12-26 | Sagami Chem Res Center | Perfluoroalkyl substituted alkylcarboxylic acid |
| JPS62147501A (en) * | 1985-12-21 | 1987-07-01 | Aisin Seiki Co Ltd | Output state supervisory unit |
-
1990
- 1990-06-01 JP JP1990058509U patent/JP2555862Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56169666A (en) * | 1980-06-03 | 1981-12-26 | Sagami Chem Res Center | Perfluoroalkyl substituted alkylcarboxylic acid |
| JPS62147501A (en) * | 1985-12-21 | 1987-07-01 | Aisin Seiki Co Ltd | Output state supervisory unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2555862Y2 (en) | 1997-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |