JPH02107224U - - Google Patents
Info
- Publication number
- JPH02107224U JPH02107224U JP1675889U JP1675889U JPH02107224U JP H02107224 U JPH02107224 U JP H02107224U JP 1675889 U JP1675889 U JP 1675889U JP 1675889 U JP1675889 U JP 1675889U JP H02107224 U JPH02107224 U JP H02107224U
- Authority
- JP
- Japan
- Prior art keywords
- load
- detecting
- controlling
- change
- drive 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.)
- Pending
Links
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Protection Of Static Devices (AREA)
- Control Of Voltage And Current In General (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は同実施例の各部分の波形図、第３図は本考案
の異なる例を示す構成図、第４図は本考案の更に
異なる例を示す構成図、第５図は第４図に示した
異なる例のフローチヤートである。
１……スイツチ回路、２……定電流回路、３…
…異常検出手段、４……負荷、Ｉ……負荷電流。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a waveform diagram of each part of the same embodiment, FIG. 3 is a block diagram showing a different example of the present invention, FIG. 4 is a block diagram showing a further different example of the present invention, and FIG. 5 is a block diagram shown in FIG. This is a flowchart of different examples. 1... Switch circuit, 2... Constant current circuit, 3...
...Abnormality detection means, 4...Load, I...Load current.
Claims (1)
荷電流を制御する指令電圧の変化を検出し、その
変化の有無により負荷電流の異常を検出する異常
検出手段を設けたことを特徴とする負荷駆動回路
。 A load drive circuit for driving and controlling a load, characterized in that the load drive circuit is provided with an abnormality detection means for detecting a change in a command voltage for controlling a load current and detecting an abnormality in the load current based on the presence or absence of the change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1675889U JPH02107224U (en) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1675889U JPH02107224U (en) | 1989-02-15 | 1989-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02107224U true JPH02107224U (en) | 1990-08-27 |
Family
ID=31229963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1675889U Pending JPH02107224U (en) | 1989-02-15 | 1989-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02107224U (en) |
-
1989
- 1989-02-15 JP JP1675889U patent/JPH02107224U/ja active Pending