JPH0446686U - - Google Patents
Info
- Publication number
- JPH0446686U JPH0446686U JP8969490U JP8969490U JPH0446686U JP H0446686 U JPH0446686 U JP H0446686U JP 8969490 U JP8969490 U JP 8969490U JP 8969490 U JP8969490 U JP 8969490U JP H0446686 U JPH0446686 U JP H0446686U
- Authority
- JP
- Japan
- Prior art keywords
- case
- door
- refrigerated
- control circuit
- circuit
- 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
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Refrigerator Housings (AREA)
Description
第１図は本考案の冷凍冷蔵クローズドシヨーケ
ースの集中扉警報装置の実施例を示す制御回路図
、第２図は従来例を示す制御回路図である。
１ａ，１ｂ…１ｎ……冷凍冷蔵クローズドシヨ
ーケース、２ａ，２ｂ…２ｎ……扉スイツチ、３
ａ，３ｂ…３ｎ……制御回路、４ａ，４ｂ…４ｎ
……送信回路、５……集中扉警報装置、６……受
信回路、７……制御回路、８ａ，８ｂ…８ｎ……
扉警報ランプ、９ａ，９ｂ…９ｎ……制御回路、
１０……集中扉警報装置、１１……信号伝送線、
１２……接続線、１３ａ，１３ｂ，１３ｎ……信
号線。
FIG. 1 is a control circuit diagram showing an embodiment of the centralized door alarm device for a closed refrigerator/freezer case of the present invention, and FIG. 2 is a control circuit diagram showing a conventional example. 1a, 1b...1n...Frozen/refrigerated closed show case, 2a, 2b...2n...Door switch, 3
a, 3b...3n...control circuit, 4a, 4b...4n
...Transmission circuit, 5...Central door alarm device, 6...Reception circuit, 7...Control circuit, 8a, 8b...8n...
Door alarm lamp, 9a, 9b...9n...control circuit,
10... Centralized door alarm device, 11... Signal transmission line,
12... Connection line, 13a, 13b, 13n... Signal line.
Claims (1)
時間以上の扉の開放を検知する制御回路をそれぞ
れ設け、各シヨーケースに対応して設けた扉警報
ランプのうち前記制御回路からの出力により扉が
開かれたショーケースに対応するものを点灯する
ようにした冷凍冷蔵クローズドシヨーケースの集
中扉警報装置において、前記制御回路に当該シヨ
ーケースを特定する信号を発信する送信回路を接
続し、これら複数の送信回路を１本の信号伝送線
で受信回路に接続し、またこの受信回路には、該
信号伝送線からの信号で特定されたシヨーケース
を判定し、当該シヨーケースに対応する扉警報ラ
ンプに出力する制御回路を接続したことを特徴と
する冷凍冷蔵クローズドシヨーケース集中扉警報
装置。 Each of the multiple refrigerated/refrigerated closed show cases is equipped with a control circuit that detects when the door is opened for a predetermined period of time, and one of the door alarm lamps provided corresponding to each show case indicates that the door has been opened by the output from the control circuit. In a centralized door alarm system for a refrigerated/refrigerated closed case that lights up a door corresponding to the case, a transmitting circuit for emitting a signal identifying the concerned case is connected to the control circuit, and these multiple transmitting circuits are combined into one. A signal transmission line is connected to a receiving circuit, and a control circuit is connected to this receiving circuit, which determines the case specified by the signal from the signal transmission line and outputs an output to the door alarm lamp corresponding to the case. A central door alarm device for a refrigerated closed-door case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8969490U JPH0446686U (en) | 1990-08-27 | 1990-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8969490U JPH0446686U (en) | 1990-08-27 | 1990-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446686U true JPH0446686U (en) | 1992-04-21 |
Family
ID=31823852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8969490U Pending JPH0446686U (en) | 1990-08-27 | 1990-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446686U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01291085A (en) * | 1988-02-09 | 1989-11-22 | Fuji Electric Co Ltd | Centralized controller for showcase |
-
1990
- 1990-08-27 JP JP8969490U patent/JPH0446686U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01291085A (en) * | 1988-02-09 | 1989-11-22 | Fuji Electric Co Ltd | Centralized controller for showcase |
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