JPH0445935U - - Google Patents
Info
- Publication number
- JPH0445935U JPH0445935U JP8634390U JP8634390U JPH0445935U JP H0445935 U JPH0445935 U JP H0445935U JP 8634390 U JP8634390 U JP 8634390U JP 8634390 U JP8634390 U JP 8634390U JP H0445935 U JPH0445935 U JP H0445935U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- reached
- measuring device
- pair
- knowing
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図における反射パルスと時間との関係を
示す説明図である。第３図は公知のＴＤＲ方式の
温度測定装置を示す説明図、第４図は第３図にお
ける反射パルスと距離の関係を示す説明図である
。
１……ＴＤＲ測定装置、２……一対の電線、３
……終端抵抗、４，５，６……温度スイツチＴ１
，Ｔ２，Ｔ３。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is an explanatory diagram showing the relationship between the reflected pulse and time in FIG. 1. FIG. 3 is an explanatory diagram showing a known TDR type temperature measuring device, and FIG. 4 is an explanatory diagram showing the relationship between the reflected pulse and distance in FIG. 3. 1... TDR measuring device, 2... A pair of electric wires, 3
... Termination resistor, 4, 5, 6 ... Temperature switch T 1
, T 2 , T 3 .
Claims (1)
なる複数の温度スイツチを一対の電線の所望の位
置で並列的に接続し、上記電線の一端から電気パ
ルスを送り、その反射波を調べてオン又はオフと
なつた温度スイツチの位置と到達温度を知ること
を特徴とするＴＤＲ式温度測定装置。 Multiple temperature switches, each of which turns on or off when a specific temperature is reached, are connected in parallel at a desired position on a pair of electric wires, an electric pulse is sent from one end of the wire, and the reflected waves are examined to turn them on or off. A TDR type temperature measuring device characterized by knowing the position of a temperature switch and the temperature reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8634390U JPH0445935U (en) | 1990-08-17 | 1990-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8634390U JPH0445935U (en) | 1990-08-17 | 1990-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445935U true JPH0445935U (en) | 1992-04-20 |
Family
ID=31817973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8634390U Pending JPH0445935U (en) | 1990-08-17 | 1990-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016194422A (en) * | 2015-03-31 | 2016-11-17 | 株式会社関電工 | Reactor temperature measurement method, molten state detection method, and devices in an emergency |
-
1990
- 1990-08-17 JP JP8634390U patent/JPH0445935U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016194422A (en) * | 2015-03-31 | 2016-11-17 | 株式会社関電工 | Reactor temperature measurement method, molten state detection method, and devices in an emergency |