JPH01118087U - - Google Patents
Info
- Publication number
- JPH01118087U JPH01118087U JP1280888U JP1280888U JPH01118087U JP H01118087 U JPH01118087 U JP H01118087U JP 1280888 U JP1280888 U JP 1280888U JP 1280888 U JP1280888 U JP 1280888U JP H01118087 U JPH01118087 U JP H01118087U
- Authority
- JP
- Japan
- Prior art keywords
- alarm device
- circuit
- control panel
- terminal
- alarm
- 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
- 230000004913 activation Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
図面は、本考案に係る電動シヤツター用制御盤
の短絡防止構造の実施例を示したものであつて、
第１図は電動シヤツターの全体概略正面図、第２
図は本考案の警報作動回路を示す回路図、第３図
は従来の警報作動回路を示す回路図である。
図中、１はシヤツターカーテン、４は第一制御
盤、１０は警報ブザー、１２は外部警報装置、１
３は短絡防止回路、１３ａは安全回路、１３ｂは
警報作動回路である。
The drawings show an embodiment of the short-circuit prevention structure of the electric shutter control panel according to the present invention.
Figure 1 is a general front view of the electric shutter;
The figure is a circuit diagram showing an alarm activation circuit of the present invention, and FIG. 3 is a circuit diagram showing a conventional alarm activation circuit. In the figure, 1 is a shutter curtain, 4 is a first control panel, 10 is an alarm buzzer, 12 is an external alarm device, 1
3 is a short circuit prevention circuit, 13a is a safety circuit, and 13b is an alarm activation circuit.
Claims (1)
置と、該警報装置と並列に外部警報装置を接続す
るための外部警報装置用端子とが設けられる電動
シヤツター用制御盤であつて、該制御盤に、前記
外部警報装置用端子のプラス側端子とマイナス側
端子の短絡があつた場合に、過電流が流れること
を防止する安全回路と、該安全回路が働いたこと
を検知して前記警報装置を作動させる警報作動回
路を設けたことを特徴とする電動シヤツター用制
御盤の短絡防止構造。 A control panel for an electric shutter, which is provided with an alarm device that activates an alarm upon input of an abnormality detection signal, and an external alarm device terminal for connecting an external alarm device in parallel with the alarm device, the control panel including: A safety circuit that prevents overcurrent from flowing when there is a short circuit between the positive terminal and the negative terminal of the external alarm device terminal, and the alarm device is activated by detecting that the safety circuit is activated. A short-circuit prevention structure for a control panel for an electric shutter, characterized by being provided with an alarm activation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1280888U JPH0750554Y2 (en) | 1988-02-02 | 1988-02-02 | Control panel short-circuit prevention structure for electric shutters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1280888U JPH0750554Y2 (en) | 1988-02-02 | 1988-02-02 | Control panel short-circuit prevention structure for electric shutters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01118087U true JPH01118087U (en) | 1989-08-09 |
| JPH0750554Y2 JPH0750554Y2 (en) | 1995-11-15 |
Family
ID=31222580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1280888U Expired - Lifetime JPH0750554Y2 (en) | 1988-02-02 | 1988-02-02 | Control panel short-circuit prevention structure for electric shutters |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750554Y2 (en) |
-
1988
- 1988-02-02 JP JP1280888U patent/JPH0750554Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0750554Y2 (en) | 1995-11-15 |
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