JPS5574430A - Temperature integrating meter for cold storage and its using method - Google Patents
Temperature integrating meter for cold storage and its using methodInfo
- Publication number
- JPS5574430A JPS5574430A JP14866278A JP14866278A JPS5574430A JP S5574430 A JPS5574430 A JP S5574430A JP 14866278 A JP14866278 A JP 14866278A JP 14866278 A JP14866278 A JP 14866278A JP S5574430 A JPS5574430 A JP S5574430A
- Authority
- JP
- Japan
- Prior art keywords
- output
- temperature
- cpu
- fed
- sensor
- 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
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
PURPOSE: To reduce the power consumption and to decide whether temperature of the goods are properly maintained in the marketing channel by operating the apparatus, which forms the temperature integrating meter, for a fixed time periodically.
CONSTITUTION: The semiconductor sensor 1 detects temperature and provides a temperature signal to the next stage when power is fed from the analog switch 2 to the sensor. Output of the sensor is converted into frequency by the V-F transducer 3, counted by the counter 4, the output of which is fed to the CPU5. Output of the oscillator 6 of a fixed frequency is fed to the frequency divider 7, the output of the oscillator is divided when a start signal is given by the CPU, a pulse is delivered to the CPU. Data processed by the CPU is stored in the memory 8, the integrated quantity in the time interval in the range of required temperature is recorded. The CPU operates the switch 2 and counter 4 for a fixed time according to the output of the frequency divider and processes the obtained data.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14866278A JPS5574430A (en) | 1978-11-30 | 1978-11-30 | Temperature integrating meter for cold storage and its using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14866278A JPS5574430A (en) | 1978-11-30 | 1978-11-30 | Temperature integrating meter for cold storage and its using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5574430A true JPS5574430A (en) | 1980-06-05 |
| JPS6134610B2 JPS6134610B2 (en) | 1986-08-08 |
Family
ID=15457808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14866278A Granted JPS5574430A (en) | 1978-11-30 | 1978-11-30 | Temperature integrating meter for cold storage and its using method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5574430A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493191A (en) * | 1984-02-14 | 1985-01-15 | Thermo King Corporation | Transport refrigeration system with control for top freezing avoidance |
| US4733974A (en) * | 1986-07-29 | 1988-03-29 | Qualitrol Corporation | Transformer life consumption indicator |
| US7004621B2 (en) * | 2004-06-17 | 2006-02-28 | Cryovac, Inc. | Method of monitoring temperature exposure |
-
1978
- 1978-11-30 JP JP14866278A patent/JPS5574430A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493191A (en) * | 1984-02-14 | 1985-01-15 | Thermo King Corporation | Transport refrigeration system with control for top freezing avoidance |
| US4733974A (en) * | 1986-07-29 | 1988-03-29 | Qualitrol Corporation | Transformer life consumption indicator |
| US7004621B2 (en) * | 2004-06-17 | 2006-02-28 | Cryovac, Inc. | Method of monitoring temperature exposure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6134610B2 (en) | 1986-08-08 |
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