JPS582585U - Automatic door detection device for freezers - Google Patents
Automatic door detection device for freezersInfo
- Publication number
- JPS582585U JPS582585U JP9628681U JP9628681U JPS582585U JP S582585 U JPS582585 U JP S582585U JP 9628681 U JP9628681 U JP 9628681U JP 9628681 U JP9628681 U JP 9628681U JP S582585 U JPS582585 U JP S582585U
- Authority
- JP
- Japan
- Prior art keywords
- automatic door
- door detection
- detection device
- freezer
- detection 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
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案を適用することのできる自動ドアシス
テムを説明するための図、第２図はこの考案に用いる自
動ドア検知回路を示すブロック図、第３図はこの考案の
一実施例を示す断面構造図である。
１・・・・・・自動ドア、２・・・・・・天井、３．
４． ２０・・・・・・自動ドア検知回路、５・・・・
・・通行人、６・・・・・・無目、７・・・・・・駆動
機構、３１・・・・・・発振回路、３２・・・・・・増
幅器、３３・・・・・・検波回路、３４・・・・・・比
較器、３５・・・・・・リレー回路、２１・・・・・・
温度調節機構、２２・・・・・・ヒータ、２３・・・・
・・保温箱。Figure 1 is a diagram for explaining an automatic door system to which this invention can be applied, Figure 2 is a block diagram showing an automatic door detection circuit used in this invention, and Figure 3 is an illustration of an embodiment of this invention. FIG. 1...Automatic door, 2...Ceiling, 3.
4. 20... Automatic door detection circuit, 5...
...Passerby, 6...No eyes, 7...Drive mechanism, 31...Oscillation circuit, 32...Amplifier, 33...・Detection circuit, 34... Comparator, 35... Relay circuit, 21...
Temperature adjustment mechanism, 22... Heater, 23...
・Thermal box.
Claims (1)
知回路と、この自動ドア検知回路の近傍に配設された温
度調節機構を有するヒータと、前記自動ドア検知回路及
びヒータを囲繞する断熱材で成る保温箱とで構成され、
前記ヒータによって前記自動ドア検知回路を所定温度範
囲に保持することにより、前記冷凍庫内の低温において
も正常に開閉動作し得るようにしたこと蕃特徴とする冷
凍庫用自動ドア検知装置。 ２ 前記保温箱を多層構造とした実用新案登録請求の範
囲第１項記載の冷凍庫用自動ドア検知装置。 ３ 前記断熱材を発泡樹脂で形成した実用新案登録請求
の範囲第１項又は第２項記載の冷凍庫用自動ドア検知装
置。′[Claims for Utility Model Registration] 1. An automatic door detection circuit that detects entry and exit at the entrance and exit of a freezer, a heater having a temperature control mechanism disposed near the automatic door detection circuit, and the automatic door detection circuit and heater. It consists of a heat insulating box made of insulating material surrounding the
An automatic door detection device for a freezer, characterized in that the automatic door detection circuit is maintained within a predetermined temperature range by the heater so that it can normally open and close even at low temperatures inside the freezer. 2. The automatic door detection device for a freezer according to claim 1, wherein the heat insulating box has a multilayer structure. 3. The automatic door detection device for a freezer according to claim 1 or 2, wherein the heat insulating material is made of foamed resin. ′
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9628681U JPS582585U (en) | 1981-06-29 | 1981-06-29 | Automatic door detection device for freezers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9628681U JPS582585U (en) | 1981-06-29 | 1981-06-29 | Automatic door detection device for freezers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS582585U true JPS582585U (en) | 1983-01-08 |
Family
ID=29891157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9628681U Pending JPS582585U (en) | 1981-06-29 | 1981-06-29 | Automatic door detection device for freezers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS582585U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838733A (en) * | 1971-09-17 | 1973-06-07 |
-
1981
- 1981-06-29 JP JP9628681U patent/JPS582585U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838733A (en) * | 1971-09-17 | 1973-06-07 |
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