JPH0187410U - - Google Patents
Info
- Publication number
- JPH0187410U JPH0187410U JP18403087U JP18403087U JPH0187410U JP H0187410 U JPH0187410 U JP H0187410U JP 18403087 U JP18403087 U JP 18403087U JP 18403087 U JP18403087 U JP 18403087U JP H0187410 U JPH0187410 U JP H0187410U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- resistor
- count value
- sensitive resistor
- pulse count
- 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
- 238000009529 body temperature measurement Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Control Of Temperature (AREA)
Description
第１図は、この考案の一実施例を示す電子温度
調節器の温度測定部の回路ブロツク図、第２図は
、同温度測定部に使用されるサーミスタの構造を
示す図、第３図は、同サーミスタのリード線の断
面図、第４図は、従来の電子温度調節器の温度測
定部を示す概略ブロツク図である。
１：ＩＣチツプ、２：サーミスタ、２ｃ：シー
ルドテープ、３：基準抵抗、７：ＣＰＵ、１２：
ＣＲ発振回路、１６：ＲＯＭ、１９：リード線、
１９ｃ：シールド線。
Fig. 1 is a circuit block diagram of a temperature measuring section of an electronic temperature controller showing an embodiment of this invention, Fig. 2 is a diagram showing the structure of a thermistor used in the temperature measuring section, and Fig. 3 is a diagram showing the structure of a thermistor used in the temperature measuring section. , a cross-sectional view of the lead wire of the thermistor, and FIG. 4 is a schematic block diagram showing a temperature measuring section of a conventional electronic temperature controller. 1: IC chip, 2: Thermistor, 2c: Shield tape, 3: Reference resistance, 7: CPU, 12:
CR oscillation circuit, 16: ROM, 19: lead wire,
19c: Shield wire.
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、温度とその温度に対応するパルスカウント
値を温度変換テーブルとして、予め記憶する記憶
手段と、導出された前記パルスカウント値に対応
する温度を前記記憶手段から読出し、測定温度を
求める手段とからなり、前記基準抵抗、感温抵抗
及びコンデンサ以外のＣＲ発振回路部と前記各手
段を集積回路で構成し、この集積回路と前記感温
抵抗の接続リードをシールド被覆してなることを
特徴とする電子温度調節器の温度測定部。 A pulse count value corresponding to the temperature is derived from a CR oscillation circuit configured to switchably connect a temperature-sensitive resistor to a reference resistor, and oscillation pulses when the reference resistor is connected and when the temperature-sensitive resistor is connected to this CR oscillation circuit. storage means for storing in advance a temperature and a pulse count value corresponding to the temperature as a temperature conversion table; and means for reading out the temperature corresponding to the derived pulse count value from the storage means to determine the measured temperature. The CR oscillation circuit section other than the reference resistor, the temperature-sensitive resistor, and the capacitor and each of the means are constituted by an integrated circuit, and the connecting leads of the integrated circuit and the temperature-sensitive resistor are covered with a shield. Temperature measurement part of electronic temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18403087U JPH0187410U (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18403087U JPH0187410U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187410U true JPH0187410U (en) | 1989-06-09 |
Family
ID=31475420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18403087U Pending JPH0187410U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187410U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61148334A (en) * | 1984-12-21 | 1986-07-07 | Citizen Watch Co Ltd | Electronic clinical thermometer |
-
1987
- 1987-12-01 JP JP18403087U patent/JPH0187410U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61148334A (en) * | 1984-12-21 | 1986-07-07 | Citizen Watch Co Ltd | Electronic clinical thermometer |
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