JPH0187225U - - Google Patents
Info
- Publication number
- JPH0187225U JPH0187225U JP18357387U JP18357387U JPH0187225U JP H0187225 U JPH0187225 U JP H0187225U JP 18357387 U JP18357387 U JP 18357387U JP 18357387 U JP18357387 U JP 18357387U JP H0187225 U JPH0187225 U JP H0187225U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- count value
- zones
- sensitive resistor
- basic
- 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
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 2
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Control Of Temperature (AREA)
Description
第１図は、この考案が実施される電子温度調節
器の温度測定部の動作を説明するためのフロー図
、第２図は、この考案が実施される電子温度調節
器の概略ブロツク図、第３図は、同電子温度調節
器の温度検出部の具体的回路例を示す図、第４図
は、同電子温度調節器のＲＯＭ４内のカウント値
温度変換テーブルの一例を示す図、第５図は、従
来の電子温度調節器の温度測定部の概略構成を示
すブロツク図である。
１：サーミスタ、２：温度検出部、３：ＣＰＵ
、４：ＲＯＭ、１４：発振コンデンサ、１５：基
準抵抗、１７：ＣＲ発振回路、１８：基本クロツ
ク源。
FIG. 1 is a flow diagram for explaining the operation of the temperature measuring section of an electronic temperature controller in which this invention is implemented, and FIG. 2 is a schematic block diagram of the electronic temperature controller in which this invention is implemented. 3 is a diagram showing a specific circuit example of the temperature detection section of the electronic temperature controller, FIG. 4 is a diagram showing an example of a count value temperature conversion table in ROM 4 of the electronic temperature controller, and FIG. 1 is a block diagram showing a schematic configuration of a temperature measuring section of a conventional electronic temperature controller. 1: Thermistor, 2: Temperature detection section, 3: CPU
, 4: ROM, 14: Oscillation capacitor, 15: Reference resistor, 17: CR oscillation circuit, 18: Basic clock source.
Claims (1)
されるＣＲ発振回路と、このＣＲ発振回路の基準
抵抗接続時と感温抵抗接続時の発振パルスにより
、温度に対応したパルスカウント値を導出する手
段と、前記感温抵抗を実測定時と同状態で接続し
て、予め測定される温度−カウント数の特性を、
所定の幅毎の温度帯、これらの温度帯に対応する
基本カウント値及びこれらの温度帯に対応する係
数として記憶する温度変換テーブル記憶手段と、
測定時に、前記温度変換テーブル記憶手段から、
前記パルスカウント値に対応する温度帯、基本カ
ウント値及び係数を読出す手段と、これら温度帯
、基本カウント値及び係数と、前記パルスカウン
ト値とから測定温度を算出する手段とからなる電
子温度調節器の温度測定部。 A CR oscillation circuit is configured to allow switchable connection of a temperature-sensitive resistor to a reference resistor, and the oscillation pulses of this CR oscillation circuit when the reference resistor is connected and when the temperature-sensitive resistor is connected are used to derive a pulse count value corresponding to the temperature. By connecting the means and the temperature-sensitive resistor in the same state as in the actual measurement, the temperature-count number characteristic measured in advance is
Temperature conversion table storage means for storing temperature zones of each predetermined width, basic count values corresponding to these temperature zones, and coefficients corresponding to these temperature zones;
At the time of measurement, from the temperature conversion table storage means,
An electronic temperature controller comprising means for reading a temperature range, basic count value and coefficient corresponding to the pulse count value, and means for calculating a measured temperature from these temperature ranges, basic count value and coefficient and the pulse count value. Temperature measurement part of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357387U JPH0187225U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357387U JPH0187225U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187225U true JPH0187225U (en) | 1989-06-08 |
Family
ID=31474991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18357387U Pending JPH0187225U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187225U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59225325A (en) * | 1983-06-06 | 1984-12-18 | Terumo Corp | Preparation of electronic thermometer |
| JPS6029624A (en) * | 1983-07-28 | 1985-02-15 | Sharp Corp | Thermometer |
-
1987
- 1987-11-30 JP JP18357387U patent/JPH0187225U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59225325A (en) * | 1983-06-06 | 1984-12-18 | Terumo Corp | Preparation of electronic thermometer |
| JPS6029624A (en) * | 1983-07-28 | 1985-02-15 | Sharp Corp | Thermometer |
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