JPS5813486U - Door alarm device for refrigerators, etc. - Google Patents
Door alarm device for refrigerators, etc.Info
- Publication number
- JPS5813486U JPS5813486U JP10703281U JP10703281U JPS5813486U JP S5813486 U JPS5813486 U JP S5813486U JP 10703281 U JP10703281 U JP 10703281U JP 10703281 U JP10703281 U JP 10703281U JP S5813486 U JPS5813486 U JP S5813486U
- Authority
- JP
- Japan
- Prior art keywords
- door
- refrigerators
- alarm device
- circuit
- refrigerator
- 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
Landscapes
- Refrigerator Housings (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示す電気回路図である。
１・・・庫内灯、２・・・リレー接点、３・・・扉スィ
ッチ、４・・・検出部、１４・・・タイマ回路、２０・
・・発振回路。The drawing is an electrical circuit diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Interior light, 2... Relay contact, 3... Door switch, 4... Detection part, 14... Timer circuit, 20...
...Oscillation circuit.
Claims (1)
閉に応動する扉スィッチと電源との直列回路と、前記扉
スィッチに並列に接続され前記層の開閉状態を検出する
検出部と、該検出部からの信号により動作するタイマ回
路と、該タイマ回路の動作にて動作する発振回路と、該
発振回路によって制御され、前記リレー接点を動作する
リレーコイルの導通、非導通を繰り返すスイッチング回
路とから成る冷蔵庫等の扉警報装置。a series circuit of an interior light of a refrigerator, a relay contact, a door switch that responds to the opening and closing of a door of the refrigerator, and a power supply; a detection unit that is connected in parallel to the door switch and detects the open/close state of the layer; a timer circuit operated by a signal from the detection section; an oscillation circuit operated by the operation of the timer circuit; and a switching circuit that is controlled by the oscillation circuit and repeats conduction and nonconduction of a relay coil that operates the relay contact. A door alarm device for refrigerators, etc., consisting of
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10703281U JPS5813486U (en) | 1981-07-17 | 1981-07-17 | Door alarm device for refrigerators, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10703281U JPS5813486U (en) | 1981-07-17 | 1981-07-17 | Door alarm device for refrigerators, etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5813486U true JPS5813486U (en) | 1983-01-27 |
| JPS615582Y2 JPS615582Y2 (en) | 1986-02-20 |
Family
ID=29901481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10703281U Granted JPS5813486U (en) | 1981-07-17 | 1981-07-17 | Door alarm device for refrigerators, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5813486U (en) |
-
1981
- 1981-07-17 JP JP10703281U patent/JPS5813486U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS615582Y2 (en) | 1986-02-20 |
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