JPS60117996U - Shutter control circuit - Google Patents
Shutter control circuitInfo
- Publication number
- JPS60117996U JPS60117996U JP341584U JP341584U JPS60117996U JP S60117996 U JPS60117996 U JP S60117996U JP 341584 U JP341584 U JP 341584U JP 341584 U JP341584 U JP 341584U JP S60117996 U JPS60117996 U JP S60117996U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- control circuit
- shutter control
- predetermined value
- shutter
- 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
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案によるシャッター制御回路の１実施例
を示す回路図、第２図はこの考案によるシャッター制御
回路の第２実施例を示す回路図、第３図はこの考案によ
るシャッター制御回路の第３実施例を示す回路図であ・
る。
１・・・直流モータ、２・・・シャッター、５ａ、５ｂ
・・・モータ負荷検出部、７・・・負荷値判別部。FIG. 1 is a circuit diagram showing one embodiment of the shutter control circuit according to this invention, FIG. 2 is a circuit diagram showing a second embodiment of the shutter control circuit according to this invention, and FIG. 3 is a circuit diagram showing a second embodiment of the shutter control circuit according to this invention. This is a circuit diagram showing the third embodiment.
Ru. 1... DC motor, 2... Shutter, 5a, 5b
...Motor load detection section, 7...Load value discrimination section.
Claims (1)
列または並列に接続されこの直流モータに供給される駆
動電流または駆動電圧を検出するモータ負荷検出部と、
該モータ負荷検出部からの信号により、前記直流モータ
の逆起電力によって該直流モータに流れる電流が所定値
以上となったとき、または該直擁モータの端子間電圧が
所定値以上となったときこの直流モータに供給される電
源を切断する負荷値判別部とを具備したことを特徴とす
るシャッター制御回路。a DC motor for opening and closing the shutter; a motor load detection unit that is connected in series or parallel to the DC motor and detects a drive current or drive voltage supplied to the DC motor;
When the current flowing through the DC motor due to the back electromotive force of the DC motor exceeds a predetermined value according to a signal from the motor load detection section, or when the voltage between the terminals of the directly supported motor exceeds a predetermined value. A shutter control circuit comprising: a load value determining section that cuts off power supplied to the DC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP341584U JPS60117996U (en) | 1984-01-17 | 1984-01-17 | Shutter control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP341584U JPS60117996U (en) | 1984-01-17 | 1984-01-17 | Shutter control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60117996U true JPS60117996U (en) | 1985-08-09 |
Family
ID=30478022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP341584U Pending JPS60117996U (en) | 1984-01-17 | 1984-01-17 | Shutter control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60117996U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62146897U (en) * | 1986-03-12 | 1987-09-17 | ||
| JPH04111900U (en) * | 1991-03-14 | 1992-09-29 | 文化シヤツター株式会社 | Overload detection circuit for DC motor for shutters |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6019886A (en) * | 1983-07-09 | 1985-02-01 | 松下電工株式会社 | Load drive apparatus |
-
1984
- 1984-01-17 JP JP341584U patent/JPS60117996U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6019886A (en) * | 1983-07-09 | 1985-02-01 | 松下電工株式会社 | Load drive apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62146897U (en) * | 1986-03-12 | 1987-09-17 | ||
| JPH04111900U (en) * | 1991-03-14 | 1992-09-29 | 文化シヤツター株式会社 | Overload detection circuit for DC motor for shutters |
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