JPH0339394U - - Google Patents
Info
- Publication number
- JPH0339394U JPH0339394U JP1989097398U JP9739889U JPH0339394U JP H0339394 U JPH0339394 U JP H0339394U JP 1989097398 U JP1989097398 U JP 1989097398U JP 9739889 U JP9739889 U JP 9739889U JP H0339394 U JPH0339394 U JP H0339394U
- Authority
- JP
- Japan
- Prior art keywords
- linear motor
- motor mechanism
- electric curtain
- protection circuit
- current
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
- Control Of Linear Motors (AREA)
Description
第１図：本考案に係る電動カーテン装置の保護
回路を含む駆動系の電気系統図、第２図：同電動
カーテン装置におけるリニアモータ機構の縦断面
図、第３図：同リニアモータ機構における可動ユ
ニツトの正面図。
尚図面中、１……保護回路、２……制御トラン
ジスタ、３……電流制限回路、５……リニアモー
タ機構。
Figure 1: Electrical system diagram of the drive system including the protection circuit of the electric curtain device according to the present invention, Figure 2: Vertical sectional view of the linear motor mechanism in the electric curtain device, Figure 3: Movement in the linear motor mechanism Front view of the unit. In the drawings, 1... protection circuit, 2... control transistor, 3... current limiting circuit, 5... linear motor mechanism.
Claims (1)
る電動カーテン装置において、リニアモータ機構
に流れる駆動電流を一定の大きさ以下に制限する
電流制限回路の設けたことを特徴とする電動カー
テン装置の保護回路。 (2) 電流制限回路はリニアモータ機構に対して
直列接続する制御トランジスタを備え、制御トラ
ンジスタのバイアス電流（電圧）を制御して駆動
電流を制限することを特徴とする請求項１記載の
電動カーテン装置の保護回路。 (3) 電流制限回路は駆動電流を制御してリニア
モータ機構の速度制御を行う速度制御部を備える
ことを特徴とする請求項１記載のの電動カーテン
装置の保護回路。[Claims for Utility Model Registration] (1) An electric curtain device that opens and closes curtains using a linear motor mechanism, characterized by being provided with a current limiting circuit that limits the drive current flowing through the linear motor mechanism to below a certain level. Protection circuit for electric curtain equipment. (2) The electric curtain according to claim 1, wherein the current limiting circuit includes a control transistor connected in series with the linear motor mechanism, and controls the bias current (voltage) of the control transistor to limit the drive current. Equipment protection circuit. (3) The protection circuit for an electric curtain device according to claim 1, wherein the current limiting circuit includes a speed control section that controls the speed of the linear motor mechanism by controlling the drive current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989097398U JPH0339394U (en) | 1989-08-21 | 1989-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989097398U JPH0339394U (en) | 1989-08-21 | 1989-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0339394U true JPH0339394U (en) | 1991-04-16 |
Family
ID=31646541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989097398U Pending JPH0339394U (en) | 1989-08-21 | 1989-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339394U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912062B2 (en) * | 1980-11-28 | 1984-03-21 | インターナシヨナル ビジネス マシーンズ コーポレーシヨン | multiport modem |
-
1989
- 1989-08-21 JP JP1989097398U patent/JPH0339394U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912062B2 (en) * | 1980-11-28 | 1984-03-21 | インターナシヨナル ビジネス マシーンズ コーポレーシヨン | multiport modem |
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