JPH07190862A - Detecting apparatus of temperature distribution of flame - Google Patents
Detecting apparatus of temperature distribution of flameInfo
- Publication number
- JPH07190862A JPH07190862A JP5331891A JP33189193A JPH07190862A JP H07190862 A JPH07190862 A JP H07190862A JP 5331891 A JP5331891 A JP 5331891A JP 33189193 A JP33189193 A JP 33189193A JP H07190862 A JPH07190862 A JP H07190862A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- temperature distribution
- burning flow
- camera
- flame
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 230000005855 radiation Effects 0.000 claims description 27
- 239000011521 glass Substances 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 32
- 239000000567 combustion gas Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は火炎温度分布検出装置に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flame temperature distribution detecting device.
【０００２】[0002]
【従来の技術】図４は近年、研究開発が行なわれている
エアターボラムジェットエンジンの燃焼部の一例を示す
もので、１は筒状の燃焼器ケーシング、２は流体混合
器、３は保炎器である。2. Description of the Related Art FIG. 4 shows an example of a combustion portion of an air turbo ramjet engine, which has been researched and developed in recent years. 1 is a cylindrical combustor casing, 2 is a fluid mixer, and 3 is a retainer. It is a firearm.
【０００３】流体混合器２は燃焼器ケーシング１の前方
に配置され、タービン（図示せず）を回転させたのちの
燃焼ガス流４と前記のタービンによって駆動されるファ
ン（図示せず）により吸入圧縮された空気流５とを混合
させるようになっている。A fluid mixer 2 is arranged in front of the combustor casing 1 and is sucked by the combustion gas stream 4 after rotating a turbine (not shown) and a fan (not shown) driven by said turbine. It is adapted to mix with the compressed air stream 5.
【０００４】また、保炎器３は燃焼器ケーシング１の内
部に配置され、前記の燃焼ガス流４と空気流５との混合
流が着火した際に発生する高温高速燃焼流６が吹き消え
るのを防止するようになっている。Further, the flame stabilizer 3 is arranged inside the combustor casing 1 so that the high-temperature high-speed combustion stream 6 generated when the mixed stream of the combustion gas stream 4 and the air stream 5 is ignited is blown off. It is designed to prevent
【０００５】上述のようなエアターボラムジェットエン
ジンにおいて、所要の推力を得るためには、熱電対等の
温度検出手段を用いて高温高速燃焼流６の温度分布を的
確に把握し、該高温高速燃焼流６の温度分布が適切な状
態になるように保炎器３等の構造物の形状を修正する必
要がある。In the air turbo ramjet engine as described above, in order to obtain the required thrust, the temperature distribution of the high temperature high speed combustion flow 6 is accurately grasped by using a temperature detecting means such as a thermocouple, and the high temperature high speed combustion is conducted. It is necessary to modify the shape of the structure such as the flame stabilizer 3 so that the temperature distribution of the flow 6 becomes appropriate.
【０００６】[0006]
【発明が解決しようとする課題】ところが、高温高速燃
焼流６の温度検出を熱電対を用いて行う場合には、熱電
対に対して積極的に冷却を行なわないと該熱電対が焼損
してしまうので、熱電対に冷却構造を付加しなければな
らない。However, when the temperature of the high-temperature high-speed combustion stream 6 is detected by using a thermocouple, the thermocouple is burned out unless the thermocouple is actively cooled. Therefore, a cooling structure must be added to the thermocouple.
【０００７】また、高温高速燃焼流６の温度分布を的確
に把握するためには、複数箇所において同時に温度を検
出する必要があるため、多数の熱電対を適宜の位置に配
置しなければならない。Further, in order to accurately grasp the temperature distribution of the high-temperature and high-velocity combustion flow 6, it is necessary to detect the temperature at a plurality of locations at the same time, and therefore a large number of thermocouples must be arranged at appropriate positions.
【０００８】従って、高温高速燃焼流６に対して冷却構
造を具備した多数の熱電対を設けることとなり、該冷却
構造を具備した熱電対によって高温高速燃焼流６の燃焼
状態が乱れ、該高温高速燃焼流６の温度分布を的確に把
握できなくなることが懸念されるという問題がある。Therefore, a large number of thermocouples having a cooling structure are provided for the high-temperature high-speed combustion stream 6, and the combustion state of the high-temperature high-speed combustion stream 6 is disturbed by the thermocouples having the cooling structure, so that the high-temperature high-speed combustion stream is There is a concern that the temperature distribution of the combustion flow 6 may not be accurately grasped.
【０００９】本発明は、前述の実情に鑑み、高温高速燃
焼流の燃焼状態を可能なかぎり乱さずに、該高温高速燃
焼流の温度分布を的確に把握し得る火炎温度分布検出装
置を提供することを目的としてなしたものである。In view of the above situation, the present invention provides a flame temperature distribution detecting device capable of accurately grasping the temperature distribution of the high temperature high speed combustion flow without disturbing the combustion state of the high temperature high speed combustion flow as much as possible. It was made for that purpose.
【００１０】[0010]
【課題を解決するための手段】上記目的を達成するた
め、本発明の請求項１に記載した火炎温度分布検出装置
においては、温度分布を検出すべき火炎中に挿入され赤
外線放射率が高く且つ耐熱性を有する棒状の検出体と、
該検出体から放射される赤外線を検出する赤外線放射温
度カメラと、該赤外線放射温度カメラから出力される温
度検出信号に基づいた前記検出体の温度分布を画像表示
する画像表示装置とを備えている。In order to achieve the above object, in the flame temperature distribution detecting device according to the first aspect of the present invention, the infrared ray emissivity which is inserted in the flame whose temperature distribution is to be detected is high and A rod-shaped detector having heat resistance,
An infrared radiation temperature camera that detects infrared radiation emitted from the detection body, and an image display device that displays an image of the temperature distribution of the detection body based on a temperature detection signal output from the infrared radiation temperature camera are provided. .
【００１１】また、同様に本発明の請求項２に記載した
火炎温度分布検出装置においては、前記検出体、赤外線
放射温度カメラ及び画像表示装置と、該画像表示装置に
表示された画像を記録・再生し得る録画装置とを備えて
いる。Similarly, in the flame temperature distribution detection device according to the second aspect of the present invention, the detection body, the infrared radiation temperature camera and the image display device, and the image displayed on the image display device are recorded / recorded. And a reproducible recording device.
【００１２】[0012]
【作用】本発明の請求項１に記載した火炎温度分布検出
装置では、検出体を高温高速燃焼流中に置くと、該検出
体は、高温高速燃焼流内の温度分布に対応して各部位の
表面温度が上昇し、該表面温度に依存する量の赤外線を
放射する。In the flame temperature distribution detection device according to the first aspect of the present invention, when the detection body is placed in the high-temperature high-speed combustion flow, the detection body is divided into parts corresponding to the temperature distribution in the high-temperature high-speed combustion flow. Its surface temperature rises and emits an amount of infrared rays depending on the surface temperature.
【００１３】赤外線放射温度カメラが前記検出体が放射
する赤外線を撮影し、該赤外線に基づいて検出体の温度
分布を温度検出信号として出力し、該温度検出信号を受
信した画像表示装置が、前記温度検出信号に基づいて赤
外線放射温度カメラが撮影した検出体の温度分布を画像
表示する。The infrared radiation temperature camera photographs the infrared rays emitted by the detection body, outputs the temperature distribution of the detection body as a temperature detection signal based on the infrared rays, and the image display device receiving the temperature detection signal is Based on the temperature detection signal, the temperature distribution of the detection body photographed by the infrared radiation temperature camera is displayed as an image.
【００１４】また、本発明の請求項２に記載した火炎温
度分布検出装置では、前記赤外線温度カメラから出力さ
れた温度検出信号に基づいて赤外線放射温度カメラが撮
影した検出体の温度分布を記録し、且つ適時必要に応じ
て画像表示装置上に再生する。Further, in the flame temperature distribution detecting apparatus according to the second aspect of the present invention, the temperature distribution of the detection body photographed by the infrared radiation temperature camera is recorded based on the temperature detection signal output from the infrared temperature camera. And, when necessary, the image is reproduced on the image display device.
【００１５】[0015]
【実施例】以下、本発明の実施例を図面を参照しつつ説
明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１６】図１及び図２は本発明の請求項１に記載し
た火炎温度分布検出装置の一実施例を示すもので、図
中、図４と同一の符号を付した部分は同一物を表してい
る。1 and 2 show an embodiment of the flame temperature distribution detecting apparatus according to claim 1 of the present invention. In the drawings, the same reference numerals as those in FIG. 4 represent the same parts. ing.
【００１７】高温高速燃焼流６の測定すべき部位に相当
する燃焼器ケーシング１の所定部分に、燃焼器ケーシン
グ１径方向へ貫通する検出体挿通孔７を設け、該検出体
挿通孔７に棒状の検出体８を燃焼器ケーシング１径方向
へ挿通し、該検出体８の基部を燃焼器ケーシング１に固
定する。A detection body insertion hole 7 penetrating in the radial direction of the combustor casing 1 is provided in a predetermined portion of the combustor casing 1 corresponding to a portion of the high temperature high speed combustion flow 6 to be measured, and the detection body insertion hole 7 has a rod shape. The detector 8 is inserted in the radial direction of the combustor casing 1, and the base of the detector 8 is fixed to the combustor casing 1.
【００１８】検出体８は、赤外線の放射率が高く、耐熱
性を有するカーボン／カーボン複合材料によって形成さ
れている。The detector 8 is made of a carbon / carbon composite material having a high infrared emissivity and heat resistance.
【００１９】また、前記検出体８の挿通方向に直交する
燃焼器ケーシング１径方向へ貫通する所要径の観察孔９
を燃焼器ケーシング１に設け、該観察孔９に耐熱ガラス
１０を嵌合する。Further, an observation hole 9 of a required diameter which penetrates in the radial direction of the combustor casing 1 orthogonal to the insertion direction of the detection body 8 is provided.
Is provided in the combustor casing 1, and the heat resistant glass 10 is fitted into the observation hole 9.
【００２０】そして、前記検出体８から放射される赤外
線に基づき検出体８の温度分布を温度検出信号として出
力する赤外線放射温度カメラ１１を、前記観察孔９の耐
熱ガラス１０に対峙するように燃焼器ケーシング１の外
部に配置する。Then, the infrared radiation temperature camera 11 which outputs the temperature distribution of the detection body 8 as a temperature detection signal based on the infrared rays emitted from the detection body 8 is burned so as to face the heat-resistant glass 10 of the observation hole 9. It is arranged outside the container casing 1.
【００２１】さらに、前記赤外線放射温度カメラ１１が
出力する温度検出信号に基づいて赤外線放射温度カメラ
１１が撮影した検出体８の温度分布を画像表示するテレ
ビモニタ１２を、前記赤外線放射温度カメラ１１に接続
する。Further, the infrared radiation temperature camera 11 is provided with a television monitor 12 for displaying an image of the temperature distribution of the detection body 8 photographed by the infrared radiation temperature camera 11 based on the temperature detection signal output from the infrared radiation temperature camera 11. Connecting.
【００２２】エンジンを作動し高温高速燃焼流６を発生
させると、該高温高速燃焼流６に曝された検出体８は、
高温高速燃焼流６内の温度分布に対応して各部位の表面
温度が上昇し、該表面温度に依存する量の赤外線を放射
する。When the engine is operated to generate the high-temperature high-speed combustion flow 6, the detector 8 exposed to the high-temperature high-speed combustion flow 6
The surface temperature of each part rises corresponding to the temperature distribution in the high-temperature high-speed combustion flow 6, and radiates infrared rays in an amount depending on the surface temperature.
【００２３】赤外線放射温度カメラ１１が前記検出体８
が放射する赤外線を観察孔９の耐熱ガラス１０を介して
撮影し、該赤外線に基づいて検出体８の温度分布を温度
検出信号として出力し、該温度検出信号を受信したテレ
ビモニタ１２が、前記温度検出信号に基づいて赤外線放
射温度カメラ１１が撮影した検出体８の温度分布を画像
表示する。The infrared radiation temperature camera 11 has the detection body 8
The infrared radiation radiated by the camera is photographed through the heat-resistant glass 10 of the observation hole 9, the temperature distribution of the detection body 8 is output as a temperature detection signal based on the infrared radiation, and the television monitor 12 that receives the temperature detection signal is The temperature distribution of the detection body 8 photographed by the infrared radiation temperature camera 11 is displayed as an image based on the temperature detection signal.
【００２４】本実施例においては、高温高速燃焼流６中
に配置した検出体８が放射する赤外線量に依存する検出
体８の温度分布が、赤外線放射温度カメラ１１を介して
テレビモニタ１２により二次元的に画像表示されるの
で、高温高速燃焼流６の温度分布を的確に把握すること
ができる。In the present embodiment, the temperature distribution of the detector 8 depending on the amount of infrared rays emitted by the detector 8 arranged in the high-temperature and high-velocity combustion flow 6 is monitored by the television monitor 12 via the infrared radiation temperature camera 11. Since the images are three-dimensionally displayed, the temperature distribution of the high-temperature high-speed combustion flow 6 can be accurately grasped.
【００２５】図３は本発明の請求項２に記載した火炎温
度分布検出装置の一実施例を示すもので、図中、図２と
同一の符号を付した部分は同一物を表している。FIG. 3 shows an embodiment of the flame temperature distribution detecting device according to the second aspect of the present invention. In the figure, the same reference numerals as those in FIG. 2 represent the same parts.
【００２６】本実施例では、テレビモニタ１２に表示さ
れた画像を記録するビデオテープレコーダ１３を、図２
に示す火炎温度分布検出装置のテレビモニタ１２に接続
しているほかは、図１及び図２に示す第１の発明と変わ
るところがない。In this embodiment, the video tape recorder 13 for recording the image displayed on the television monitor 12 is shown in FIG.
1 is the same as the first invention shown in FIGS. 1 and 2 except that the flame temperature distribution detecting apparatus shown in FIG.
【００２７】ビデオテープレコーダ１３は、赤外線放射
温度カメラ１１が出力する温度検出信号を記録し、また
記録した温度検出信号を温度記録信号としてテレビモニ
タ１２に対して出力し得るようになっている。The video tape recorder 13 records the temperature detection signal output from the infrared radiation temperature camera 11 and can output the recorded temperature detection signal to the television monitor 12 as a temperature recording signal.
【００２８】赤外線放射温度カメラ１１が前記検出体８
が放射する赤外線を観察孔９の耐熱ガラス１０を介して
撮影し、該赤外線に基づいて検出体８の温度分布を温度
検出信号として出力し、該温度検出信号を受信したテレ
ビモニタ１２が、前記温度検出信号に基づいて赤外線放
射温度カメラ１１が撮影した検出体８の温度分布を画像
表示する。The infrared radiation temperature camera 11 is used for the detection body 8
The infrared radiation radiated by the camera is photographed through the heat-resistant glass 10 of the observation hole 9, the temperature distribution of the detection body 8 is output as a temperature detection signal based on the infrared radiation, and the television monitor 12 receiving the temperature detection signal is The temperature distribution of the detection body 8 photographed by the infrared radiation temperature camera 11 is displayed as an image based on the temperature detection signal.
【００２９】また、ビデオテープレコーダ１３が前記赤
外線放射温度カメラ１１が出力する温度検出信号を記録
し、また記録した温度検出信号を温度記録信号としてテ
レビモニタ１２に対して出力する。Further, the video tape recorder 13 records the temperature detection signal output from the infrared radiation temperature camera 11, and outputs the recorded temperature detection signal to the television monitor 12 as a temperature recording signal.
【００３０】本実施例においては、高温高速燃焼流６中
に配置した検出体８が放射する赤外線量に依存する検出
体８の温度分布が、赤外線放射温度カメラ１１を介して
テレビモニタ１２により二次元的に画像表示され、同時
にビデオテープレコーダ１３に記録され、且つビデオテ
ープレコーダに記録された温度検出信号を温度記録信号
としてテレビモニタ１２に対して出力できるので、高温
高速燃焼流６の温度分布を的確に把握することができる
とともに、テレビモニタ１２上に適時に再生表示して検
討できるため高温高速燃焼流６の温度分布の経時変化を
確認することができる。In this embodiment, the temperature distribution of the detector 8 depending on the amount of infrared rays emitted by the detector 8 arranged in the high-temperature high-velocity combustion flow 6 is monitored by the television monitor 12 via the infrared radiation temperature camera 11. The temperature distribution of the high-temperature high-speed combustion flow 6 can be displayed as a temperature recording signal, which is displayed as a three-dimensional image and simultaneously recorded on the video tape recorder 13 and which is recorded on the video tape recorder as a temperature recording signal. Can be accurately grasped and can be reproduced and displayed on the TV monitor 12 in a timely manner so that the temperature distribution of the high-temperature high-speed combustion flow 6 can be checked for changes over time.
【００３１】なお、前述の各実施例では、検出体８を高
温高速燃焼流６に直交する燃焼器ケーシング１径方向へ
挿通した場合について説明したが、高温高速燃焼流６に
対して斜めに設けてもよく、また検出体８を赤外線の放
射率が高く耐熱性を有する他の任意の材料によって形成
したりあるいはその本数を複数としたりしてもよく、更
に赤外線放射温度カメラ１１の位置を適宜変更してもよ
いことなど、その他、本発明の要旨を逸脱しない範囲内
において種々変更を加え得ることは勿論である。In each of the above-described embodiments, the case where the detector 8 is inserted in the radial direction of the combustor casing 1 orthogonal to the high-temperature high-speed combustion flow 6 has been described. Alternatively, the detection body 8 may be formed of any other material having a high infrared emissivity and heat resistance, or the number thereof may be plural, and the position of the infrared radiation temperature camera 11 may be appropriately determined. Needless to say, various changes may be made without departing from the scope of the present invention, such as changes.
【００３２】[0032]
【発明の効果】本発明の火炎温度分布検出装置によれ
ば、下記のごとき種々の優れた効果を奏し得る。According to the flame temperature distribution detecting device of the present invention, various excellent effects as described below can be obtained.
【００３３】１）本発明の請求項１、あるいは請求項２
に記載した火炎温度分布検出装置のいずれにおいても、
火炎温度分布を検出体を介し画像表示装置により二次元
的に画像表示されるので、高温高速燃焼流の温度分布を
的確に把握でき、また、燃焼流内に検出体のみを配置し
ているので高温高速燃焼流の燃焼状態の乱れを小さくで
きる。1) Claim 1 or Claim 2 of the present invention
In any of the flame temperature distribution detection devices described in
Since the flame temperature distribution is displayed two-dimensionally by the image display device through the detector, the temperature distribution of the high-temperature high-speed combustion flow can be accurately grasped, and only the detector is placed in the combustion flow. The disturbance of the combustion state of the high-temperature high-speed combustion flow can be reduced.
【００３４】２）本発明の請求項２に記載した火炎温度
分布検出装置では、録画装置を有しているので、高温高
速燃焼流の温度分布の経時変化を確認することができ
る。2) Since the flame temperature distribution detecting device according to the second aspect of the present invention has the recording device, it is possible to confirm the change with time of the temperature distribution of the high temperature and high speed combustion flow.
【図１】本発明の請求項１に記載した火炎温度分布検出
装置の一実施例を表す縦断面図である。FIG. 1 is a vertical cross-sectional view showing an embodiment of a flame temperature distribution detecting device according to claim 1 of the present invention.
【図２】図１のＩＩ−ＩＩ矢視図である。FIG. 2 is a view taken along the line II-II of FIG.
【図３】本発明の請求項２に記載した火炎温度分布検出
装置の一実施例を表す横断面図である。FIG. 3 is a cross-sectional view showing an embodiment of the flame temperature distribution detecting device according to claim 2 of the present invention.
【図４】エアターボラムジェットエンジンの燃焼部の一
例を示す縦断面図である。FIG. 4 is a vertical cross-sectional view showing an example of a combustion section of an air turbo ramjet engine.
８ 検出体 １１ 赤外線放射温度カメラ １２ テレビモニタ（画像表示装置） １３ ビデオテープレコーダ（録画装置） 8 Detection Object 11 Infrared Radiation Temperature Camera 12 Television Monitor (Image Display Device) 13 Video Tape Recorder (Recording Device)
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大北 洋治 東京都西多摩郡瑞穂町殿ヶ谷229番地 石 川島播磨重工業株式会社瑞穂工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoji Okita No.229 Tonogaya, Mizuho-cho, Nishitama-gun, Tokyo Ishikawajima Harima Heavy Industries Co., Ltd. Mizuho Plant
Claims (2)
赤外線放射率が高く且つ耐熱性を有する棒状の検出体
と、該検出体から放射される赤外線を検出する赤外線放
射温度カメラと、該赤外線放射温度カメラから出力され
る温度検出信号に基づいた前記検出体の温度分布を画像
表示する画像表示装置とを備えたことを特徴とする火炎
温度分布検出装置。1. A rod-shaped detection body having a high infrared emissivity and heat resistance, which is inserted into a flame whose temperature distribution is to be detected, and an infrared radiation temperature camera which detects infrared rays emitted from the detection body. An image display device for displaying an image of a temperature distribution of the detection body based on a temperature detection signal output from an infrared radiation temperature camera, and a flame temperature distribution detection device.
再生し得る録画装置を画像表示装置に接続したことを特
徴とする請求項１に記載の火炎温度分布検出装置。2. Recording an image displayed on an image display device
The flame temperature distribution detecting device according to claim 1, wherein a reproducible recording device is connected to the image display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5331891A JPH07190862A (en) | 1993-12-27 | 1993-12-27 | Detecting apparatus of temperature distribution of flame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5331891A JPH07190862A (en) | 1993-12-27 | 1993-12-27 | Detecting apparatus of temperature distribution of flame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07190862A true JPH07190862A (en) | 1995-07-28 |
Family
ID=18248785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5331891A Pending JPH07190862A (en) | 1993-12-27 | 1993-12-27 | Detecting apparatus of temperature distribution of flame |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07190862A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010112718A (en) * | 2008-11-04 | 2010-05-20 | Takasago Thermal Eng Co Ltd | Method for measuring temperature distribution in air path |
-
1993
- 1993-12-27 JP JP5331891A patent/JPH07190862A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010112718A (en) * | 2008-11-04 | 2010-05-20 | Takasago Thermal Eng Co Ltd | Method for measuring temperature distribution in air path |
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