JPH03113179U - - Google Patents
Info
- Publication number
- JPH03113179U JPH03113179U JP2096490U JP2096490U JPH03113179U JP H03113179 U JPH03113179 U JP H03113179U JP 2096490 U JP2096490 U JP 2096490U JP 2096490 U JP2096490 U JP 2096490U JP H03113179 U JPH03113179 U JP H03113179U
- Authority
- JP
- Japan
- Prior art keywords
- integrating
- current
- load
- amplifying
- voltage
- 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
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図イは電流監視回路のタイミングチヤート図、第
２図ロは第２図イの時間軸スケールを拡大した図
、第３図は遮断動作を説明するためのタイミング
チヤート図、第４図は他の実施例を示す回路図で
ある。
図において、１……間欠駆動回路、２……スイ
ツチ、３……発光ダイオード、４……微小抵抗器
、５……増幅回路、６……積分回路、６ｃ……抵
抗、６ｄ……コンデンサ、６ｅ……スイツチ、７
……クリア信号発生回路、８……比較回路、９…
…基準電圧生成回路、１０……遮断回路である。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
Figure A is a timing chart of the current monitoring circuit, Figure 2B is an enlarged view of the time axis scale of Figure 2B, Figure 3 is a timing chart for explaining the interrupting operation, and Figure 4 is a diagram of other FIG. 2 is a circuit diagram showing an example. In the figure, 1... Intermittent drive circuit, 2... Switch, 3... Light emitting diode, 4... Micro resistor, 5... Amplifying circuit, 6... Integrating circuit, 6c... Resistor, 6d... Capacitor, 6e...Switch, 7
...Clear signal generation circuit, 8...Comparison circuit, 9...
. . . reference voltage generation circuit, 10 . . . cutoff circuit.
Claims (1)
間欠駆動回路において、 負荷に流れる電流を電圧に変換する電流／電圧
変換手段と、 この電流／電圧変換手段からの電圧信号を増幅
する増幅手段と、 この増幅手段により増幅された電圧信号を積分
する積分手段と、 この積分手段を所定時間ごとにリセツトするリ
セツト手段と、 上記積分手段の出力を基準電圧と比較する比較
手段と、 この比較手段による比較結果に応答して負荷へ
の電流供給を遮断する遮断手段とを有することを
特徴とする間欠駆動回路の電流監視回路。[Claims for Utility Model Registration] An intermittent drive circuit that intermittently supplies current for driving a load, comprising: current/voltage conversion means for converting the current flowing through the load into voltage; an amplifying means for amplifying the voltage signal; an integrating means for integrating the voltage signal amplified by the amplifying means; a reset means for resetting the integrating means at predetermined time intervals; and comparing the output of the integrating means with a reference voltage. 1. A current monitoring circuit for an intermittent drive circuit, comprising a comparison means and a cutoff means for cutting off current supply to a load in response to a comparison result by the comparison means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2096490U JPH03113179U (en) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2096490U JPH03113179U (en) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03113179U true JPH03113179U (en) | 1991-11-19 |
Family
ID=31524043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2096490U Pending JPH03113179U (en) | 1990-02-28 | 1990-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03113179U (en) |
-
1990
- 1990-02-28 JP JP2096490U patent/JPH03113179U/ja active Pending