JPS594978U - Defrost control device - Google Patents
Defrost control deviceInfo
- Publication number
- JPS594978U JPS594978U JP9991882U JP9991882U JPS594978U JP S594978 U JPS594978 U JP S594978U JP 9991882 U JP9991882 U JP 9991882U JP 9991882 U JP9991882 U JP 9991882U JP S594978 U JPS594978 U JP S594978U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- circuit
- control device
- defrost control
- detection level
- 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
- Defrosting Systems (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図は本考案の一実施例の除霜制御装置に使用する霜
検知器の断面図、第２図は冷蔵庫における除霜制御装置
の概略電気回路図、第３図、第４図は着霜に伴う検知回
路出力電圧の変化を示している。
１・・・・・・霜検知器、４・・・・・・圧電素子（検
知素子）、９・・・・・・発振回路（素子駆動回路）、
１０・・・・・・検知回路、１１・・・・・・検知レベ
ル変更回路。Fig. 1 is a sectional view of a frost detector used in a defrosting control device according to an embodiment of the present invention, Fig. 2 is a schematic electrical circuit diagram of a defrosting control device in a refrigerator, and Figs. It shows the change in the detection circuit output voltage due to frost. 1... Frost detector, 4... Piezoelectric element (detection element), 9... Oscillation circuit (element drive circuit),
10...Detection circuit, 11...Detection level change circuit.
Claims (1)
検知素子を駆動する素子駆動回路と、前記検知素子によ
り蒸発器の着霜状態に対応した信号を出力する検知回路
と、前記検知回路出力の検知レベルを圧縮機運転積算時
間に応じて変更させる検知レベル変更回路と、前記検知
レベル変更回路の出力により除霜運転と冷却運転とを選
択切換するリレー駆動回路とより成る除霜制御装置。A frost detector having a built-in detection element such as a piezoelectric element, an element drive circuit for driving the detection element, a detection circuit for outputting a signal corresponding to the frosting state of the evaporator by the detection element, and the detection Defrosting control comprising a detection level changing circuit that changes the detection level of the circuit output according to the cumulative operating time of the compressor, and a relay drive circuit that selectively switches between defrosting operation and cooling operation based on the output of the detection level changing circuit. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9991882U JPS594978U (en) | 1982-06-30 | 1982-06-30 | Defrost control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9991882U JPS594978U (en) | 1982-06-30 | 1982-06-30 | Defrost control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS594978U true JPS594978U (en) | 1984-01-13 |
| JPH0243030Y2 JPH0243030Y2 (en) | 1990-11-15 |
Family
ID=30236586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9991882U Granted JPS594978U (en) | 1982-06-30 | 1982-06-30 | Defrost control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS594978U (en) |
-
1982
- 1982-06-30 JP JP9991882U patent/JPS594978U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0243030Y2 (en) | 1990-11-15 |
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