JPH0285342U - - Google Patents
Info
- Publication number
- JPH0285342U JPH0285342U JP16443288U JP16443288U JPH0285342U JP H0285342 U JPH0285342 U JP H0285342U JP 16443288 U JP16443288 U JP 16443288U JP 16443288 U JP16443288 U JP 16443288U JP H0285342 U JPH0285342 U JP H0285342U
- Authority
- JP
- Japan
- Prior art keywords
- value
- temperature sensor
- integrating
- angular frequency
- memorization
- 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
- 230000010354 integration Effects 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000008646 thermal stress Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Description
第１図は、本考案の一実施例に係るブロツク図
、第２図は第１図の表示装置における表示例を示
す図である。
１…配管、２１〜２３…温度センサ、３１〜３
３…温度記憶器、４１〜４３…フーリエ変換器、
５１〜５３…逆周波数伝達関数乗算器、６１〜６
２…応力推定器、７１〜７２…積算器、８１〜８
２…判定器、９…表示装置。
FIG. 1 is a block diagram according to an embodiment of the present invention, and FIG. 2 is a diagram showing an example of display on the display device of FIG. 1. 1...Piping, 21-23...Temperature sensor, 31-3
3...Temperature memory device, 41-43...Fourier transformer,
51-53...inverse frequency transfer function multiplier, 61-6
2... Stress estimator, 71-72... Integrator, 81-8
2... Judgment device, 9... Display device.
Claims (1)
れとりつけられた各温度センサと、前記各温度セ
ンサの出力をそれぞれ一定時間記憶する手段と、
記憶が完了した後、その波形をフーリエ変換する
手段と、フーリエ変換された結果に配管の伝熱特
性の逆周波数伝達関数を乗じる手段と、得られた
結果を用いて、上面（又は下面）と側面の減算値
の絶対値に角周波数を乗じ角周波数について積分
する手段と、積分結果を積算する手段と、積算値
を所定の値と比較する手段と、比較結果を表示す
る手段とを具備してなることを特徴とする熱応力
監視装置。 each temperature sensor attached to the top, bottom, and side of the circumference of the outer surface of the pipe, and means for storing the output of each temperature sensor for a certain period of time;
After the memorization is completed, the upper surface (or lower surface) and the It comprises means for multiplying the absolute value of the subtracted value of the side surface by an angular frequency and integrating the angular frequency, means for integrating the integration result, means for comparing the integrated value with a predetermined value, and means for displaying the comparison result. A thermal stress monitoring device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16443288U JPH0285342U (en) | 1988-12-21 | 1988-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16443288U JPH0285342U (en) | 1988-12-21 | 1988-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285342U true JPH0285342U (en) | 1990-07-04 |
Family
ID=31450036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16443288U Pending JPH0285342U (en) | 1988-12-21 | 1988-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658554A (en) * | 1990-07-18 | 1994-03-01 | Carl Zeiss:Fa | Method and device for indicating abnormal thermal stress state in heating surface manufactured from glass ceramic or similar material |
-
1988
- 1988-12-21 JP JP16443288U patent/JPH0285342U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658554A (en) * | 1990-07-18 | 1994-03-01 | Carl Zeiss:Fa | Method and device for indicating abnormal thermal stress state in heating surface manufactured from glass ceramic or similar material |
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