JPS6375830U - - Google Patents
Info
- Publication number
- JPS6375830U JPS6375830U JP16356987U JP16356987U JPS6375830U JP S6375830 U JPS6375830 U JP S6375830U JP 16356987 U JP16356987 U JP 16356987U JP 16356987 U JP16356987 U JP 16356987U JP S6375830 U JPS6375830 U JP S6375830U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- output
- changeover switch
- output terminal
- potential
- 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
- 238000010586 diagram Methods 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図はこの種の温度測定装置の概略構成図、
第２図は第１図を具体化した従来の回路の一例を
示す回路図、第３図は本考案の前提となる装置の
構成例を示す回路図、第４図および第６図は測温
回路の他の例を示す回路図、第５図は本考案で用
いる測温回路の一実施例を示す回路図、第７図お
よび第８図は第５図の測温回路Ａから送出される
信号を演算処理するための回路例である。
Ａ…測温回路、Ｂ…自動平衡装置、Ｒｔ１〜Ｒ
ｔ６…測温抵抗体、ＡＳＷ１〜ＡＳＷ３…半導体
アナログスイツチ、ＡＤＥ…アドレスエンコーダ
。
Figure 1 is a schematic configuration diagram of this type of temperature measuring device.
Fig. 2 is a circuit diagram showing an example of a conventional circuit that embodies Fig. 1, Fig. 3 is a circuit diagram showing an example of the configuration of a device that is the premise of the present invention, and Figs. 4 and 6 are temperature measuring circuits. A circuit diagram showing another example of the circuit, FIG. 5 is a circuit diagram showing one embodiment of the temperature measuring circuit used in the present invention, and FIGS. 7 and 8 are sent from the temperature measuring circuit A in FIG. 5. This is an example of a circuit for processing signals. A... Temperature measurement circuit, B... Automatic balance device, Rt 1 to R
t6 ...Resistance temperature sensor, ASW1 to ASW3...Semiconductor analog switch, ADE...Address encoder.
Claims (1)
基準抵抗を介して共通電位点に接続される複数の
測温抵抗体と、 これら各測温抵抗体の第１の端子に第２の切換
スイツチを介して選択的に接続される定電流源と
、 これら第２の切換スイツチと各測温抵抗体の第
１の端子との接続端が第１の切換スイツチを介し
て選択的に接続される第１の出力端子Ｔ１と、 測温抵抗体の第２の端子が第３の切換スイツチ
を介して選択的に接続される第２の出力端子Ｔ２
と、 これら出力端子Ｔ１，Ｔ２間に接続され、出力
端子Ｔ１に出力される電位をｅ１とし、出力端子
Ｔ２に出力される電位をｅ２として、 ２ｅ２−ｅ１ を演算する演算回路、 とで構成されたことを特徴とする多点温度測定装
置。[Claims for Utility Model Registration] A plurality of resistance temperature sensors each having three terminals, each third terminal of which is connected to a common potential point via a common reference resistance; A constant current source selectively connected to a first terminal via a second changeover switch, and a connection end between the second changeover switch and the first terminal of each resistance temperature sensor is a first changeover switch. A first output terminal T1 is selectively connected via a switch, and a second output terminal T2 is selectively connected to a second terminal of the resistance temperature detector via a third changeover switch.
And, the potential connected between these output terminals T 1 and T 2 and output to the output terminal T 1 is set to e 1 , and the potential output to the output terminal T 2 is set to e 2 , and 2e 2 - e 1 is calculated. A multi-point temperature measuring device characterized by comprising: an arithmetic circuit that performs a calculation;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16356987U JPH0241546Y2 (en) | 1987-10-26 | 1987-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16356987U JPH0241546Y2 (en) | 1987-10-26 | 1987-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6375830U true JPS6375830U (en) | 1988-05-20 |
| JPH0241546Y2 JPH0241546Y2 (en) | 1990-11-06 |
Family
ID=31091886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16356987U Expired JPH0241546Y2 (en) | 1987-10-26 | 1987-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241546Y2 (en) |
-
1987
- 1987-10-26 JP JP16356987U patent/JPH0241546Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0241546Y2 (en) | 1990-11-06 |
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