JPH08338771A - High-temperature-gas temperature measuring apparatus - Google Patents
High-temperature-gas temperature measuring apparatusInfo
- Publication number
- JPH08338771A JPH08338771A JP7169180A JP16918095A JPH08338771A JP H08338771 A JPH08338771 A JP H08338771A JP 7169180 A JP7169180 A JP 7169180A JP 16918095 A JP16918095 A JP 16918095A JP H08338771 A JPH08338771 A JP H08338771A
- Authority
- JP
- Japan
- Prior art keywords
- temperature measuring
- gas
- temperature
- outer cylinder
- gas conduit
- 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
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高温のガスの温度を測
定する測定器に関し、特に輻射熱の影響を受けることな
くガスの温度そのものを測定可能とした測定器に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measuring instrument for measuring the temperature of high-temperature gas, and more particularly to a measuring instrument capable of measuring the temperature of gas itself without being affected by radiant heat.
【０００２】[0002]
【従来の技術】従来使用されているこの種の温度測定器
は、耐熱性のある管状の外筒の対向する周壁部分に設け
られた通孔にわたって、同外筒の内部にガスが流通可能
な管状のガス導管を配置し、外筒の内部に通した熱電対
の測温点を、前記ガス導管の内部に配置したものであ
る。この温度測定器を高温ガス雰囲気中におくと、前記
外筒とガス導管とによって周囲からの複写熱が遮断され
る一方、ガス導管には周囲の高温ガスが流通するため、
輻射熱の影響を受けず、測温点で高温ガスの温度そのも
のを正確に測定することができる。2. Description of the Related Art In a conventional temperature measuring instrument of this type, a gas can flow through a through hole provided in a peripheral wall portion of a heat-resistant tubular outer cylinder facing each other. A tubular gas conduit is arranged, and the temperature measuring point of the thermocouple passed through the inside of the outer cylinder is arranged inside the gas conduit. When this temperature measuring device is placed in a high temperature gas atmosphere, copying heat from the surroundings is blocked by the outer cylinder and the gas conduit, while the high temperature surrounding gas flows through the gas conduit.
The temperature itself of the high temperature gas can be accurately measured at the temperature measuring point without being affected by radiant heat.
【０００３】[0003]
【発明が解決しようとしている課題】この温度測定器に
おいて、温度の測定精度を高めるため、熱電対の測温点
と熱電対の支持部分とはできるだけ離れて配置するのが
よい。しかし、この温度測定器は、高温ガスが高速で流
れる空間で使用されることも多い。このような場合、ガ
ス導管を高温ガスが流れる方向に向けて設置すると熱電
対の測温点側に風圧が加わる。このとき、熱電対の支持
部分から先端の測温点までの距離が長いため、熱電対の
測温点側に加わった高温ガスの風圧により、熱電対の支
持部分を起点とするモーメントが大きい。このため、ガ
ス導管内部に突出した熱電対の先端側がその支持部分を
起点として折れ曲がり、熱電対の測温点側が他の部材と
接触してしまうことがある。そうなると、正確なガス温
度の測定は不可能となる。本発明は、従来の高温ガス温
度測定器における前記の課題に鑑み、高温ガスが高速で
流れる空間で使用する場合も、安定して使用することが
できる高温ガス温度測定器を提供することを目的とす
る。In this temperature measuring device, in order to improve the accuracy of temperature measurement, it is preferable to dispose the temperature measuring point of the thermocouple and the supporting portion of the thermocouple as far apart as possible. However, this temperature measuring device is often used in a space where hot gas flows at high speed. In such a case, if the gas conduit is installed in the direction in which the high temperature gas flows, wind pressure is applied to the temperature measuring point side of the thermocouple. At this time, since the distance from the supporting portion of the thermocouple to the temperature measuring point at the tip is long, the moment from the supporting portion of the thermocouple as a starting point is large due to the wind pressure of the high temperature gas applied to the temperature measuring point side of the thermocouple. For this reason, the tip side of the thermocouple protruding into the gas conduit may be bent from the supporting portion as a starting point, and the temperature measuring point side of the thermocouple may come into contact with other members. Then, accurate gas temperature measurement becomes impossible. In view of the above problems in the conventional high temperature gas temperature measuring device, the present invention aims to provide a high temperature gas temperature measuring device that can be used stably even when used in a space where high temperature gas flows at high speed. And
【０００４】[0004]
【課題を解決するための手段】前記の目的を達成するた
め、本発明では、ガス導管３内部に測温点５が配置され
る温度測定素子１の測温点５の近傍を、弾性部材１１を
介して固定部材２でガス導管３を保持したフレーム７に
固定したものである。すなわち、本発明による高温ガス
温度測定器は、周壁の対向する部分に通孔８、９を有す
る耐熱性のある管状の外筒６と、この外筒６の前記通孔
８、９にわたって外筒６の内部に設けられ、内部にガス
が流通可能な管状のガス導管３と、このガス導管３の内
部に測温点５が配置された測温素子１とを有するものに
おいて、前記測温素子１のガス導管３の内部に配置され
た測温点５の近傍が、ガス導管３を保持したフレーム７
に固定されたことを特徴とする。この場合に、測温素子
１は耐熱性の断熱材１１を介して同素子１を保持する固
定部材２でフレーム７に固定する。外筒６の内部の径方
向に収納されたガス導管３の一端は、外筒６の一方の周
面側の開口部９から挿入されたスリーブ４を嵌合し、保
持する。In order to achieve the above object, in the present invention, the elastic member 11 is provided near the temperature measuring point 5 of the temperature measuring element 1 in which the temperature measuring point 5 is arranged inside the gas conduit 3. It is fixed to the frame 7 holding the gas conduit 3 by the fixing member 2 via. That is, the high temperature gas temperature measuring device according to the present invention includes a heat-resistant tubular outer cylinder 6 having through holes 8 and 9 in opposite portions of the peripheral wall, and an outer cylinder extending over the through holes 8 and 9 of the outer cylinder 6. 6, which has a tubular gas conduit 3 in which gas can flow, and a temperature measuring element 1 in which a temperature measuring point 5 is arranged inside the gas conduit 3. The vicinity of the temperature measuring point 5 arranged inside the gas conduit 3 of No. 1 has a frame 7 holding the gas conduit 3.
It is characterized by being fixed to. In this case, the temperature measuring element 1 is fixed to the frame 7 with a fixing member 2 holding the element 1 through a heat resistant heat insulating material 11. One end of the gas conduit 3 accommodated in the radial direction inside the outer cylinder 6 fits and holds a sleeve 4 inserted from an opening 9 on one circumferential surface side of the outer cylinder 6.
【０００５】[0005]
【作用】前記本発明による高温ガス測定器では、測温素
子１のガス導管３の内部に配置された測温点５の近傍
を、ガス導管３を保持したフレーム７に固定したので、
測温素子１の支点からその端部である測温点５までの距
離を短くすることができる。これによって、測温素子１
の測温点５側に風圧が加わったときに、固定部分を起点
として熱電対に生じるモーメントが小さくなり、多少の
風圧では測温素子１の測温点５側が曲がらなくなる。し
かも、測温素子１は耐熱性の断熱材１１を介して同素子
１を保持する固定部材２によりフレーム７に固定されて
いるので、測温素子１の測温点５側の熱が固定部材２を
介してフレーム７側に逃げず、測定誤差の発生も抑える
ことができる。なお、外筒６の内部の径方向に収納され
たガス導管３の一端に、外筒６の一方の周面側の開口部
９から挿入されたスリーブ４を嵌合し、保持したもので
は、外筒６内にガス導管３を組み込むときに、ガス導管
３の位置ズレが起こりにくく、ガス導管３を所定の位置
に正確に組み込むことができる。In the high temperature gas measuring instrument according to the present invention, since the vicinity of the temperature measuring point 5 arranged inside the gas conduit 3 of the temperature measuring element 1 is fixed to the frame 7 holding the gas conduit 3,
The distance from the fulcrum of the temperature measuring element 1 to the temperature measuring point 5 which is the end thereof can be shortened. As a result, the temperature measuring element 1
When wind pressure is applied to the temperature measuring point 5 side, the moment generated in the thermocouple starting from the fixed portion becomes small, and the temperature measuring element 5 side of the temperature measuring element 1 does not bend with some wind pressure. Moreover, since the temperature measuring element 1 is fixed to the frame 7 by the fixing member 2 that holds the temperature measuring element 1 through the heat resistant heat insulating material 11, the heat on the temperature measuring point 5 side of the temperature measuring element 1 is fixed. It is also possible to suppress the occurrence of measurement error without escaping to the frame 7 side via 2. In the case where the sleeve 4 inserted from the opening 9 on one circumferential surface side of the outer cylinder 6 is fitted and held at one end of the gas conduit 3 accommodated in the outer cylinder 6 in the radial direction, When the gas conduit 3 is installed in the outer cylinder 6, the positional deviation of the gas conduit 3 is unlikely to occur, and the gas conduit 3 can be accurately installed in a predetermined position.
【０００６】[0006]
【実施例】次に、図面を参照しながら、本発明の実施例
について具体的且つ詳細に説明する。図１〜図３に本発
明の実施例による高温ガス温度測定器の先端部分が示さ
れている。この温度測定器は、白金やロジウム或はそれ
らの合金等からなる耐熱性、耐酸化性を有する外筒６を
有しており、この外筒６の周壁の対向する部分に一定の
間隔で５対の通孔８、９が穿孔されている。この通孔
８、９のうち、一方の通孔８の径は、後述するガス導管
３の内径に対応しており、通孔９の径は、やはり後述す
るスリーブ４の外径に対応している。Embodiments of the present invention will now be described specifically and in detail with reference to the drawings. 1 to 3 show a tip portion of a hot gas temperature measuring device according to an embodiment of the present invention. This temperature measuring device has an outer cylinder 6 made of platinum, rhodium, or an alloy thereof, which has heat resistance and oxidation resistance. A pair of through holes 8 and 9 are drilled. The diameter of one of the through holes 8 and 9 corresponds to the inner diameter of the gas conduit 3 described later, and the diameter of the through hole 9 corresponds to the outer diameter of the sleeve 4 also described later. There is.
【０００７】この外筒６の内部には、前記通孔８、９に
わたって外筒６の径方向にガス導管３が配置されてい
る。すなわち、このガス導管３は、その中心軸が前記通
孔８、９の中心を結ぶ直線と一致するように配置され
る。図示の実施例では、通孔８、９は５組設けられ、こ
れに対応してガス導管３が外筒６の長手方向に一定の間
隔で５つ配置される。このガス導管３は、白金やロジウ
ム或はそれらの合金等からなる耐熱性、耐酸化性を有す
るもので、同様の材料からなる板状のフレーム７に一定
の間隔で固定された状態で外筒６の内部に収納されてい
る。外筒６の側面に設けられた一方の通孔９からスリー
ブ４が嵌合され、これがガス導管３の外周側に嵌合され
てガス導管３を支持している。Inside the outer cylinder 6, a gas conduit 3 is arranged in the radial direction of the outer cylinder 6 across the through holes 8 and 9. That is, the gas conduit 3 is arranged so that its central axis coincides with the straight line connecting the centers of the through holes 8 and 9. In the illustrated embodiment, five sets of through holes 8 and 9 are provided, and correspondingly, five gas conduits 3 are arranged at regular intervals in the longitudinal direction of the outer cylinder 6. The gas conduit 3 is made of platinum, rhodium, or an alloy thereof and has heat resistance and oxidation resistance, and is fixed to a plate-like frame 7 made of the same material at regular intervals to form an outer cylinder. It is stored inside 6. The sleeve 4 is fitted through one of the through holes 9 provided on the side surface of the outer cylinder 6, and the sleeve 4 is fitted on the outer peripheral side of the gas conduit 3 to support the gas conduit 3.
【０００８】前記板状のフレーム７に沿って測温素子１
が配線されている。この測温素子１は前記ガス導管３と
同じ数だけ配線されており、図示の実施例では、５本の
測温素子１が配線されている。この測温素子１は、例え
ば白金線と白金ロジウム線とを対とする、いわゆるＢタ
イプシース形熱電対が使用され、一般にシースは白金シ
ースが使用される。これら測温素子１は、その途中で固
定部材２によりフレーム７に固定されており、その先端
である測温点５は、各々ガス導管３の側面に設けた通孔
を通ってその内部の中心軸上に配置されている。また、
この測温素子１の測温点５に近い部分もまた、固定部材
２により、フレーム７に固定されている。これら測温素
子１は、前記スリーブ４の側を通って外筒１の先端側へ
と配線されており、その途中の所々が固定部材２により
フレーム７に固定されている。The temperature measuring element 1 is arranged along the plate-shaped frame 7.
Is wired. The temperature measuring elements 1 are wired in the same number as the gas conduits 3, and in the illustrated embodiment, five temperature measuring elements 1 are wired. As the temperature measuring element 1, for example, a so-called B type sheath type thermocouple in which a platinum wire and a platinum rhodium wire are paired is used, and a platinum sheath is generally used as the sheath. These temperature measuring elements 1 are fixed to the frame 7 by fixing members 2 in the middle thereof, and the temperature measuring points 5 at the tips thereof pass through the through holes provided on the side surfaces of the gas conduit 3 and the center of the inside thereof. It is located on the axis. Also,
The portion of the temperature measuring element 1 near the temperature measuring point 5 is also fixed to the frame 7 by the fixing member 2. These temperature measuring elements 1 are wired to the front end side of the outer cylinder 1 through the sleeve 4 side, and the intermediate portions thereof are fixed to the frame 7 by fixing members 2.
【０００９】図２の（ａ）、（ｂ）、（ｄ）、（ｅ）
は、このような測温素子１を固定部材２によりフレーム
７に固定された部分を示しており、同図（ｃ）は、ガス
導管３内部に測温素子１の測温点５が配置された状態を
示している。さらに図３は、前記固定部材２を示してい
る。図３に示されたように、固定部材２は、アルミナ等
のセラミック繊維からなる断熱材１１を介して測温素子
１をフレーム７に固定しており、符号１０は白金、ロジ
ウム或はそれらの合金からなる固定部材２の外装部分で
ある。2 (a), (b), (d), (e)
Shows a portion in which such a temperature measuring element 1 is fixed to the frame 7 by a fixing member 2. In FIG. 1C, the temperature measuring point 5 of the temperature measuring element 1 is arranged inside the gas conduit 3. Shows the closed state. Further, FIG. 3 shows the fixing member 2. As shown in FIG. 3, the fixing member 2 fixes the temperature measuring element 1 to the frame 7 via a heat insulating material 11 made of ceramic fiber such as alumina, and the reference numeral 10 indicates platinum, rhodium or their It is an exterior part of the fixing member 2 made of an alloy.
【００１０】このような高温ガス温度測定器は、フレー
ム７にガス導管３及び測温素子１を組み込んでおき、図
４に示すように、このガス導管３と測温素子１を組み込
んだフレーム７を外筒６の一端側からその内部に挿入す
る。そして、ガス導管３の中心軸が通孔８、９の中心を
結ぶ線と一致したところで、一方の通孔９から矢印で示
すようにスリーブ４を嵌合し、ガス導管３を外筒６の所
定の位置に固定し、保持する。また、測温素子１等を交
換するため、分解するときは、スリーブ４をガス導管３
及び外筒６の通孔９から抜き取った後、フレーム７ごと
ガス導管３及び測温素子１を外筒から抜き取る。こうす
ることにより、組み立てる都度ガス導管３の取付位置を
正確に再現できる。In such a high temperature gas temperature measuring instrument, a gas conduit 3 and a temperature measuring element 1 are incorporated in a frame 7, and as shown in FIG. 4, a frame 7 incorporating the gas conduit 3 and the temperature measuring element 1. Is inserted from one end side of the outer cylinder 6 into the inside thereof. Then, when the central axis of the gas conduit 3 coincides with the line connecting the centers of the through holes 8 and 9, the sleeve 4 is fitted from one of the through holes 9 as shown by an arrow, and the gas conduit 3 is attached to the outer cylinder 6. Fix and hold in place. Further, in order to replace the temperature measuring element 1 and the like, when disassembling, the sleeve 4 is connected to the gas conduit 3
After removing the gas from the through hole 9 of the outer cylinder 6, the gas conduit 3 and the temperature measuring element 1 together with the frame 7 are removed from the outer cylinder. By doing so, the mounting position of the gas conduit 3 can be accurately reproduced each time the gas conduit 3 is assembled.
【００１１】図５は、本発明の高温ガス温度測定器の他
の実施例を示しており、この実施例では前記のスリーブ
４がその一端にフランジ１２を有している。すなわち、
このフランジ１２によってスリーブ４が外筒６の通孔９
に一定の深さだけ嵌合できるようになっている。その他
の構造は、前記実施例と同様である。FIG. 5 shows another embodiment of the hot gas temperature measuring device of the present invention, in which the sleeve 4 has a flange 12 at one end thereof. That is,
This flange 12 allows the sleeve 4 to pass through the through hole 9 of the outer cylinder 6.
It is possible to fit to a certain depth. The other structure is the same as that of the above-mentioned embodiment.
【００１２】[0012]
【発明の効果】以上説明した通り、本発明によれば、高
温ガスが高速で流れる空間で使用される場合でも、高温
ガスの風圧でガス導管内部に突出した熱電対の先端部が
折れ曲がることがなく、しかも測定誤差も生じない。こ
れにより、高温ガスが高速で流れる空間で使用する場合
も、安定して使用することができる高温ガス温度測定器
が得られる。As described above, according to the present invention, even when used in a space where high temperature gas flows at high speed, the tip of the thermocouple protruding into the gas conduit may bend due to the wind pressure of the high temperature gas. There is no measurement error. As a result, it is possible to obtain a high temperature gas temperature measuring instrument that can be used stably even when used in a space where high temperature gas flows at high speed.
【図１】本発明の実施例による高温ガス温度測定器の横
断底面図と縦断側面図である。1 is a cross-sectional bottom view and a vertical side view of a hot gas temperature measuring device according to an embodiment of the present invention.
【図２】図１におけるＡ−Ａ線、Ｂ−Ｂ線、Ｃ−Ｃ線、
Ｄ−Ｄ線及びＥ−Ｅ線拡大断面図である。2 is a line AA, a line B-B, a line C-C in FIG.
It is a DD sectional view and an EE line enlarged sectional view.
【図３】同実施例による高温ガス温度測定器の固定部材
の部分を示す縦断正面図である。FIG. 3 is a vertical sectional front view showing a portion of a fixing member of the high temperature gas temperature measuring device according to the embodiment.
【図４】同実施例による高温ガス温度測定器を組み立て
る手順を示す拡大縦断正面図と縦断側面図である。FIG. 4 is an enlarged vertical sectional front view and a vertical sectional side view showing a procedure for assembling the high temperature gas temperature measuring device according to the embodiment.
【図５】本発明の他の実施例による高温ガス温度測定器
の拡大縦断正面図と縦断側面図である。FIG. 5 is an enlarged vertical front view and a vertical side view of a high temperature gas temperature measuring device according to another embodiment of the present invention.
１ 測温素子 ２ 固定部材 ３ ガス導管 ４ スリーブ ５ 測温素子の測温点 ６ 外筒 ７ フレーム ８ 通孔 ９ 通孔 １１ 断熱材 1 temperature measuring element 2 fixing member 3 gas conduit 4 sleeve 5 temperature measuring point of temperature measuring element 6 outer cylinder 7 frame 8 through hole 9 through hole 11 heat insulating material
Claims (3)
（９）を有する耐熱性のある管状の外筒（６）と、この
外筒（６）の前記通孔（８）、（９）にわたって外筒
（６）の内部に設けられ、内部にガスが流通可能な管状
のガス導管（３）と、このガス導管（３）の内部に測温
点（５）が配置された測温素子（１）とを有する高圧ガ
ス温度測定器において、前記測温素子（１）のガス導管
（３）の内部に配置した測温点（５）の近傍が、ガス導
管（３）を保持したフレーム（７）に固定されたことを
特徴とする高温ガス温度測定器。1. A through hole (8) in an opposing portion of the peripheral wall,
A heat-resistant tubular outer cylinder (6) having (9), and the outer cylinder (6) provided inside the outer cylinder (6) over the through holes (8) and (9) of the outer cylinder (6), A high-pressure gas temperature measuring instrument having a tubular gas conduit (3) through which a gas can flow and a temperature measuring element (1) having a temperature measuring point (5) arranged inside the gas conduit (3), High temperature gas temperature, characterized in that the vicinity of a temperature measuring point (5) arranged inside the gas conduit (3) of the temperature element (1) is fixed to a frame (7) holding the gas conduit (3). Measuring instrument.
１）を介して同素子（１）を保持する固定部材（２）に
よりフレーム（７）に固定されていることを特徴とする
高温ガス温度測定器。2. The temperature measuring element (1) is a heat-resistant heat insulating material (1).
A high temperature gas temperature measuring instrument characterized by being fixed to a frame (7) by a fixing member (2) holding the element (1) through (1).
ガス導管（３）の一端に、外筒（６）の一方の周面側の
開口部（９）から挿入されたスリーブ（４）が嵌合して
いることを特徴とする高温ガス温度測定器。3. A sleeve inserted into one end of a gas conduit (3) housed in the radial direction inside the outer cylinder (6) through an opening (9) on one circumferential surface side of the outer cylinder (6). A high temperature gas temperature measuring instrument characterized in that (4) is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7169180A JP2734414B2 (en) | 1995-06-12 | 1995-06-12 | High temperature gas temperature measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7169180A JP2734414B2 (en) | 1995-06-12 | 1995-06-12 | High temperature gas temperature measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08338771A true JPH08338771A (en) | 1996-12-24 |
| JP2734414B2 JP2734414B2 (en) | 1998-03-30 |
Family
ID=15881736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7169180A Expired - Fee Related JP2734414B2 (en) | 1995-06-12 | 1995-06-12 | High temperature gas temperature measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2734414B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018136263A (en) * | 2017-02-23 | 2018-08-30 | 中国電力株式会社 | Temperature measuring device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674339B (en) * | 2013-12-15 | 2016-08-17 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of water-cooled Heat-resistance heat flux sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59112126U (en) * | 1983-01-18 | 1984-07-28 | 三菱重工業株式会社 | temperature measuring device |
| JPS59204731A (en) * | 1983-05-10 | 1984-11-20 | Natl Aerospace Lab | Thermometer for high-temperature, high-pressure air flow |
| JPS6259823U (en) * | 1985-10-03 | 1987-04-14 | ||
| JPH09504102A (en) * | 1993-09-17 | 1997-04-22 | ザ・ビー・エフ・グッドリッチ・カンパニー | Integrated wing total temperature sensor |
-
1995
- 1995-06-12 JP JP7169180A patent/JP2734414B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59112126U (en) * | 1983-01-18 | 1984-07-28 | 三菱重工業株式会社 | temperature measuring device |
| JPS59204731A (en) * | 1983-05-10 | 1984-11-20 | Natl Aerospace Lab | Thermometer for high-temperature, high-pressure air flow |
| JPS6259823U (en) * | 1985-10-03 | 1987-04-14 | ||
| JPH09504102A (en) * | 1993-09-17 | 1997-04-22 | ザ・ビー・エフ・グッドリッチ・カンパニー | Integrated wing total temperature sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018136263A (en) * | 2017-02-23 | 2018-08-30 | 中国電力株式会社 | Temperature measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2734414B2 (en) | 1998-03-30 |
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