JPH038733U - - Google Patents
Info
- Publication number
- JPH038733U JPH038733U JP6871789U JP6871789U JPH038733U JP H038733 U JPH038733 U JP H038733U JP 6871789 U JP6871789 U JP 6871789U JP 6871789 U JP6871789 U JP 6871789U JP H038733 U JPH038733 U JP H038733U
- Authority
- JP
- Japan
- Prior art keywords
- resistance temperature
- temperature detector
- diagram showing
- resistance
- conductor
- 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
- 239000004020 conductor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Temperature (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
である。第２図はこの考案の他の実施例を示すブ
ロツク図である。第３Ａ図は２導線式測温抵抗体
を示す図解図である。第３Ｂ図は３導線式測温抵
抗体を示す図解図である。第３Ｃ図は４導線式測
温抵抗体を示す図解図である。第４図はこの考案
の背景となる従来の温度検出器の一例を示す回路
図である。第５図は第４図に示す従来の温度検出
器において測温抵抗体の引き出し導線部分の抵抗
を表示した等価回路図である。
図において、１０…温度検出器、１２…測温抵
抗体、１４…定電流電源、１６および３６…ＡＤ
コンバータ、１８…ＣＰＵ、２０…ＲＯＭ、２２
および３８…デコーダドライバ、２４および４０
…表示装置、３０…差動増幅器、３２…アナログ
演算器、３４…増幅器を示す。
FIG. 1 is a block diagram showing one embodiment of this invention. FIG. 2 is a block diagram showing another embodiment of this invention. FIG. 3A is an illustrative diagram showing a two-conductor type resistance temperature detector. FIG. 3B is an illustrative diagram showing a three-conductor type resistance temperature sensor. FIG. 3C is an illustrative diagram showing a four-conductor type resistance temperature detector. FIG. 4 is a circuit diagram showing an example of a conventional temperature detector which is the background of this invention. FIG. 5 is an equivalent circuit diagram showing the resistance of the lead wire portion of the temperature-measuring resistor in the conventional temperature sensor shown in FIG. In the figure, 10...temperature detector, 12...resistance temperature detector, 14...constant current power supply, 16 and 36...AD
Converter, 18...CPU, 20...ROM, 22
and 38...decoder driver, 24 and 40
. . . display device, 30 . . . differential amplifier, 32 . . . analog computing unit, 34 . . . amplifier.
Claims (1)
抗温度特性および前記測温抵抗体の前記導線の抵
抗とその抵抗温度特性を予め求め、それに基づい
て前記測温抵抗体の出力を補正するための補正手
段とを含む、温度検出器。 A two-conductor type resistance temperature detector, the resistance temperature characteristics of the resistance temperature detector, the resistance of the conductor of the resistance temperature detector, and the resistance temperature characteristics thereof are determined in advance, and the output of the resistance temperature detector is determined based on the results. and a compensation means for compensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6871789U JPH038733U (en) | 1989-06-12 | 1989-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6871789U JPH038733U (en) | 1989-06-12 | 1989-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH038733U true JPH038733U (en) | 1991-01-28 |
Family
ID=31603393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6871789U Pending JPH038733U (en) | 1989-06-12 | 1989-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH038733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042854A (en) * | 2001-07-27 | 2003-02-13 | Yokogawa Electric Corp | Temperature measurement device |
| WO2023248629A1 (en) * | 2022-06-23 | 2023-12-28 | 立山科学株式会社 | Temperature measurement system |
-
1989
- 1989-06-12 JP JP6871789U patent/JPH038733U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042854A (en) * | 2001-07-27 | 2003-02-13 | Yokogawa Electric Corp | Temperature measurement device |
| WO2023248629A1 (en) * | 2022-06-23 | 2023-12-28 | 立山科学株式会社 | Temperature measurement system |
| JP2024001963A (en) * | 2022-06-23 | 2024-01-11 | 立山科学株式会社 | temperature measurement system |