JPS6080729A - Light receiving part of optical temperature measuring device - Google Patents

Light receiving part of optical temperature measuring device

Info

Publication number
JPS6080729A
JPS6080729A JP58188980A JP18898083A JPS6080729A JP S6080729 A JPS6080729 A JP S6080729A JP 58188980 A JP58188980 A JP 58188980A JP 18898083 A JP18898083 A JP 18898083A JP S6080729 A JPS6080729 A JP S6080729A
Authority
JP
Japan
Prior art keywords
light receiving
measuring device
temperature measuring
light
receiving part
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
Application number
JP58188980A
Other languages
Japanese (ja)
Inventor
Seiichi Okuhara
奥原 精一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP58188980A priority Critical patent/JPS6080729A/en
Publication of JPS6080729A publication Critical patent/JPS6080729A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/05Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0037Radiation pyrometry, e.g. infrared or optical thermometry for sensing the heat emitted by liquids
    • G01J5/004Radiation pyrometry, e.g. infrared or optical thermometry for sensing the heat emitted by liquids by molten metals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0044Furnaces, ovens, kilns
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/05Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path
    • G01J5/051Means for preventing contamination of the components of the optical system; Means for preventing obstruction of the radiation path using a gas purge
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/08Optical arrangements
    • G01J5/0818Waveguides
    • G01J5/0821Optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/08Optical arrangements
    • G01J5/0831Masks; Aperture plates; Spatial light modulators
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/08Optical arrangements
    • G01J5/0856Slit arrangements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/08Optical arrangements
    • G01J5/0887Integrating cavities mimicking black bodies, wherein the heat propagation between the black body and the measuring element does not occur within a solid; Use of bodies placed inside the fluid stream for measurement of the temperature of gases; Use of the reemission from a surface, e.g. reflective surface; Emissivity enhancement by multiple reflections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/04Casings
    • G01J5/041Mountings in enclosures or in a particular environment
    • G01J5/042High-temperature environment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiation Pyrometers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 この発明側よ、溶融金属の温度測定を光学的に行なう温
瓜測定装詣に[!lする。
DETAILED DESCRIPTION OF THE INVENTION The inventors have developed a warm melon measuring device that optically measures the temperature of molten metal. I do it.

溶融金属、例えば、溶鋼は、イの表面がスラグrgわれ
ている/jめに、溶鋼自体がら輻射された光線を受光り
るごとは囲動ぐあった。
Molten metal, for example, molten steel, whose surface is slag-like, moves whenever it receives light rays radiated from the molten steel itself.

そのために、溶鋼の温度測定には、従来より浸漬型熱電
対が用いられCいた。
For this reason, immersion type thermocouples have traditionally been used to measure the temperature of molten steel.

浸漬型熱雷対は、紙筒の先端に伯芙キトツブを設け、そ
の石英キャップ内にアルメル−クロメル。
The immersion type thermal lightning pair has a cylindrical tube at the tip of a paper tube, and alumel-chromel is placed inside the quartz cap.

白金−白金ロジウムのような熱雷対を収めたものであり
、一度か1度しか使用できず、頼回の使用に耐えない消
耗品である。
It contains thermal lightning pairs such as platinum-platinum rhodium, and is a consumable item that can only be used once or once, and cannot be used repeatedly.

浸漬型熱電対のうち、特に白金を使用したものは高価で
あり、一方、製品の品質管理」−1溶鋼の温度測定は不
可欠であるから、渇1立測定のlこめに多くの費用を費
やし−Cいた。
Among immersion type thermocouples, those that use platinum in particular are expensive, and on the other hand, because measuring the temperature of molten steel is essential for product quality control, a lot of money is spent on single-stand measurements. -C was there.

そこで、この発明は、このにうな浸漬゛緑N熱電対が備
え−Cいた問題点を解決覆るために考えられたものであ
り、次に図面に基づいC詳細に説明づる。
Therefore, the present invention was devised to solve and overcome the problems that the immersion green N thermocouple had, and will now be explained in detail with reference to the drawings.

図面にツJζりように、紙筒(2)の先端に耐火物(3
)によって?−i英キ1アップ(4)を」t1着しlと
筒体(1)と、この筒体(1)の中へ挿入される受光棒
(10)で受光部が41へ成され(いる、1受光棒(1
0)は、円筒(’I 1 >の先端J3よび中間部に、
視野限定用の小孔(12)、(14)を右りる板(13
)、(IFi>が設けられ、円筒(’+ 1 )の後端
より光学繊維< −16>が挿入され、この光学繊維(
16)の先端にある光入射面(17)は、筒体く1)を
装置した状態において、2つの小孔(12)、(14)
を経て石英キャップ(4)の内面に指向している。
As shown in the drawing, attach a refractory (3) to the tip of the paper tube (2).
) by? -I Attach the 1-up (4) to the cylindrical body (1), and the light-receiving part is formed into the 41 by the light-receiving rod (10) inserted into the cylindrical body (1). , 1 light receiving rod (1
0) is a cylinder ('I 1 >'s tip J3 and middle part,
A plate (13) that goes through the small holes (12) and (14) for limiting the field of view.
), (IFi> are provided, an optical fiber <-16> is inserted from the rear end of the cylinder ('+ 1 ), and this optical fiber (
The light entrance surface (17) at the tip of 16) has two small holes (12) and (14) when the cylindrical body 1) is installed.
is directed to the inner surface of the quartz cap (4).

そして、この受光棒(1o)の後端外周部には、螺旋状
のねじ(18)が段GJられ、筒体(1)をねじ込むこ
とにJ:り受光枠(10)に部体(1)を固定づるにう
に構成されている。
A spiral screw (18) is provided on the outer periphery of the rear end of the light receiving rod (1o), so that the cylinder body (1) can be screwed into the light receiving frame (10). ) is configured on a fixed scale.

さらに、受光棒(1o〉の後部には、手話性ガスまたは
清浄な空気を受光棒(1o)内に吹き込む通気孔(19
〉が段1)られでいる。
Furthermore, at the rear of the light receiving rod (1o), there is a ventilation hole (19) that blows sign language gas or clean air into the light receiving rod (1o).
> is shown in step 1).

光学繊維(′l 6 )の後端(2o)は、2邑温度8
1のにうな光学的温度測定装置(2’f)の光電変@素
子(22)に指向している。
The rear end (2o) of the optical fiber ('l 6 ) has a temperature of 8
It is directed toward the photoelectric conversion element (22) of the optical temperature measuring device (2'f) in No. 1.

溶鋼の温度を測定1する際には、受光棒(10)に筒体
く1)をねじ込/ν′c′装看し、通気孔(15)より
不l古性ガスまたは清浄な空気を吹き込みながら筒イ本
(1)の先端をスラグく23)の1・にある溶m(24
>まで突−〕込むと、L3英−II・ツーf(4)が溶
鋼(24)の温1頁よ(゛加熱され(光線を輻射するか
ら、この石英キャップ(4)の内面より幅側された光線
は、視野限定用の小孔(12)。
When measuring the temperature of molten steel, screw the cylindrical body 1) onto the light receiving rod (10) and inject inert gas or clean air through the vent hole (15). While blowing, slug the tip of the tube (1) and remove the molten metal (24) at 1.
When the L3-II-2 f (4) is heated up to the temperature of the molten steel (24), the quartz cap (4) radiates a light beam, so the width side of the quartz cap (4) The emitted light ray is a small hole (12) for limiting the field of view.

(14)を経て光学繊維(16)の先入川面(17)に
八〇・1し、光学的温度測定装置(21)の光電変19
!素子(22)へ導かれ(測温されるのである。
(14) to the front surface (17) of the optical fiber (16), and the photoelectric converter 19 of the optical temperature measuring device (21)
! It is guided to the element (22) (its temperature is measured).

受光棒(10)にある通気孔(19)J:り不活1つガ
スまたは清浄な空気を吹き込んrJ5<と、筒体(1)
が焼りて内部に煙が立らこめ−Cも、掃気し−(温度測
定に必要な視野を確保りることhド(゛き、また光学繊
Ill (16>の先端のE’j染を防止りることがで
きる。
Vent hole (19) in the light receiving rod (10) J: Blow inert gas or clean air into the cylinder body (1).
It burns and smoke rises inside, and it is necessary to scavenge the air (to secure the field of view necessary for temperature measurement), and also to remove the E'j dye at the tip of the optical fiber (16). can be prevented.

この発明の温度6111定* i!!fの受光部にJ、
るど、筒体(1)【ごは高1lIllな肖金属を使用1
ノでいないから1)li 1lliあり、消耗部分に要
Jる費用が少ないの−(゛温度測定の費用を大幅に減ら
りことがて′きる。
The temperature of this invention is 6111 constant* i! ! J to the light receiving part of f,
Cylinder body (1) [Using 1lIll high profile metal 1
1) There are 1 liters of temperature, so the cost required for consumable parts is low - (the cost of temperature measurement can be significantly reduced).

【図面の簡単な説明】[Brief explanation of the drawing]

図面は、この5し明の光学的iP I−(1−測定装置
6の受光部の一実施例を承り一縦断面図(・あく)。
The drawing is a longitudinal sectional view (open) of one embodiment of the light receiving section of the optical iP I-(1) measuring device 6.

Claims (1)

【特許請求の範囲】[Claims] 紙筒の先端に耐火物によって石英キトツブを」1名した
筒体と、視野限定用の小孔を有し、後端部より光学繊維
の先端が挿入され、上記筒1本にはめ込まれる円筒状の
受光棒とを具備し、上記受光棒に上記筒体をはめ込んだ
状態にa3い(、上記光学繊維の先端の売人川面が、」
−記小孔を経て上記石英キトツブの内面に指向しでいる
ことを特徴とりる光学的温度測定装置の受光部。
A cylindrical body with a quartz dowel made of refractory material at the tip of a paper tube, a small hole for limiting the field of view, and the tip of an optical fiber inserted from the rear end, which is fitted into the tube. and a light-receiving rod, and the cylinder body is fitted into the light-receiving rod.
- A light receiving section of an optical temperature measuring device, characterized in that the light receiving section is directed to the inner surface of the quartz tube through the small hole.
JP58188980A 1983-10-10 1983-10-10 Light receiving part of optical temperature measuring device Pending JPS6080729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58188980A JPS6080729A (en) 1983-10-10 1983-10-10 Light receiving part of optical temperature measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58188980A JPS6080729A (en) 1983-10-10 1983-10-10 Light receiving part of optical temperature measuring device

Publications (1)

Publication Number Publication Date
JPS6080729A true JPS6080729A (en) 1985-05-08

Family

ID=16233283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58188980A Pending JPS6080729A (en) 1983-10-10 1983-10-10 Light receiving part of optical temperature measuring device

Country Status (1)

Country Link
JP (1) JPS6080729A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62148928U (en) * 1986-03-12 1987-09-21
JPS62173025U (en) * 1986-03-27 1987-11-04
US4803365A (en) * 1987-05-08 1989-02-07 Biochem Technology Optical probe mounting device
JPH01142824U (en) * 1988-03-25 1989-09-29
JP2008545975A (en) * 2005-06-09 2008-12-18 ウジナス・シデルルジカス・デ・ミナス・ジェライス・ソシエダッド・アノニマ・ウジミナス Apparatus for continuous temperature measurement of molten steel in tundish using optical fiber and infrared pyrometer
WO2019000402A1 (en) * 2017-06-30 2019-01-03 沈阳泰合蔚蓝科技股份有限公司 Temperature measurement device and temperature measurement method for measuring temperature of molten metal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56106125A (en) * 1980-01-26 1981-08-24 Seiichi Okuhara Photodetecting part of optical temperature measuring device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56106125A (en) * 1980-01-26 1981-08-24 Seiichi Okuhara Photodetecting part of optical temperature measuring device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62148928U (en) * 1986-03-12 1987-09-21
JPS62173025U (en) * 1986-03-27 1987-11-04
US4803365A (en) * 1987-05-08 1989-02-07 Biochem Technology Optical probe mounting device
JPH01142824U (en) * 1988-03-25 1989-09-29
JP2008545975A (en) * 2005-06-09 2008-12-18 ウジナス・シデルルジカス・デ・ミナス・ジェライス・ソシエダッド・アノニマ・ウジミナス Apparatus for continuous temperature measurement of molten steel in tundish using optical fiber and infrared pyrometer
WO2019000402A1 (en) * 2017-06-30 2019-01-03 沈阳泰合蔚蓝科技股份有限公司 Temperature measurement device and temperature measurement method for measuring temperature of molten metal
US11536611B2 (en) 2017-06-30 2022-12-27 Shenyang Taco Blue-Tech Co., Ltd. Temperature measuring device and temperature measuring method for measuring temperature of molten metals

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