JPS58193428A - Apparatus for measuring temperature of product in annealing furnace - Google Patents
Apparatus for measuring temperature of product in annealing furnaceInfo
- Publication number
- JPS58193428A JPS58193428A JP57077077A JP7707782A JPS58193428A JP S58193428 A JPS58193428 A JP S58193428A JP 57077077 A JP57077077 A JP 57077077A JP 7707782 A JP7707782 A JP 7707782A JP S58193428 A JPS58193428 A JP S58193428A
- Authority
- JP
- Japan
- Prior art keywords
- rotary disk
- optical
- optical fibers
- furnace
- side end
- 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
- 238000000137 annealing Methods 0.000 title claims abstract description 25
- 239000013307 optical fiber Substances 0.000 claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 description 18
- 238000012545 processing Methods 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101100085225 Homo sapiens PTPRN gene Proteins 0.000 description 1
- 102100034091 Receptor-type tyrosine-protein phosphatase-like N Human genes 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0044—Furnaces, ovens, kilns
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0808—Convex mirrors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0818—Waveguides
- G01J5/0821—Optical fibres
Abstract
Description
【発明の詳細な説明】
本発明は焼鈍炉の中を搬送される製品の温度変化を測定
する測温装置に関し、その目的は炉中の複数位置におい
て連続移動する各製品の温度を測定し、各製品の焼鈍温
度履歴の把握、炉の温度制御に利用できるものを提供す
ることにある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a temperature measuring device for measuring temperature changes of products conveyed in an annealing furnace, and its purpose is to measure the temperature of each product continuously moving at a plurality of positions in the furnace, The objective is to provide something that can be used to understand the annealing temperature history of each product and control the furnace temperature.
従来、バイ１生産設備の中の焼鈍炉の工程においては、
作業員が付きっきりで炉中の所定位置の雰囲気を検出し
て、各パイプの焼鈍温度履歴の把握に利用されている。Conventionally, in the annealing furnace process in the Bi1 production facility,
A worker is present at a specific location in the furnace to detect the atmosphere and is used to understand the annealing temperature history of each pipe.
しかしこのような測定方法では次のような問題点が発生
している。However, this measurement method has the following problems.
０ 作業員の作業環境が悪い。0 The working environment for workers is poor.
０ 多数の測定ポイントをカバーするには限界がある。0 There is a limit to covering a large number of measurement points.
０ 個人誤差が出やすい。0 Individual errors are likely to occur.
０ 雰囲気管理のため、パイプの実際の焼鈍温度Ｉｔ歴
を正確に把握できない。0 Due to atmosphere control, the actual annealing temperature It history of the pipe cannot be accurately determined.
０ データの格理に時間がかかり、生産ラインでのＶ埋
に適さない。0 Data processing takes time, making it unsuitable for V-embedding on a production line.
本発明は、焼鈍炉中の製品搬送経路に沿って入射一端面
が配同された複数本の光ファイバーを設け、前記複数本
の光ファイバーの出射側端面が周方向に所定の回動角度
間隔をもって接続されたり一タリーディスクを設け、前
記ロータリーディスクに接続された出射側端面の検出光
のうち前記口−タリーディスクの所定位置の光ファイバ
ーの検出光を測定する光学温度計を設け、前記ロータリ
ーディスクを前記製品の搬送に同期して所定の回動角度
で往復回動させるパルスモータを設は九ことを特徴とし
、光ファイバーの入射側端面で製品から出る光を検出し
て温度検出するため、雰囲気の温度を測定していた従来
のもの（比べて焼鈍温度を正確に把握でき、１つの光学
温度計に検出光を順に導いて測定するため、多数の測定
ポイントを十分にカバーすることができ、従って１つの
パイプについての焼鈍温度履歴を正確に把握でき、ま次
光ファイバーで検出光を所定位置まで導くため、作業員
を悪い作業環境から解放できる効果が得られる。The present invention provides a plurality of optical fibers having one input end face arranged along a product conveyance path in an annealing furnace, and the output side end faces of the plurality of optical fibers are connected at predetermined rotation angle intervals in the circumferential direction. A rotary disk is provided, and an optical thermometer is provided for measuring the detected light of the optical fiber at a predetermined position of the rotary disk among the detected light of the output side end face connected to the rotary disk. It is characterized by a pulse motor that rotates back and forth at a predetermined rotation angle in synchronization with the conveyance of the product, and the temperature is detected by detecting the light emitted from the product at the input end of the optical fiber. The annealing temperature can be grasped more accurately compared to conventional methods, which measure Since the annealing temperature history of each pipe can be accurately determined and the detection light is guided to a predetermined position using a linear optical fiber, it is possible to relieve workers from a bad working environment.
以下本発明の一実施例を第１肉と第２図に基ついて説明
する。、 （１）は焼鈍炉で、炉入口［（Ａ）から炉出
口＠ １３１ Ｋ向って連続駆動される炉床（２）を有
し、炉入口１ＩｌＩ囚で炉床（２）上に載置された製品
としてのパイプ（３）は、炉中ｔｃ＋を経て炉出口［田
）へ搬送される。（４１）〜（４５）は光ファイバーで
、各入射側端面（５１）〜（５５）ｉｊ前記焼鈍炉（１
）の天井部に炉入口８（Ａ）から炉出口側［Ｆ］）に向
けて等間隔ｌおき配設され、各入射側端１ＩＩｉ（５，
）〜（５５）はパイプ（３）からの光を受光するように
前記炉床（２）（対向して取付けられている。（６）は
ロータリーディスクで、周方向に沿って一定角度θおき
に前記光ファイバー（４，）〜（４５）回動駆動される
。（９） Ｆｉ光学温度計としての２色温度計で、前記
ロータリーディスク（６）の周方向を１時〜１２時の１
２等分した場合に第１図では前記光ファイバー（４，）
〜（４５）のうちの出射側端面が１２時の位置にある光
ファイバーと光軸が一致して、その検出光の温度に耐じ
たアナログ信号が出力される。An embodiment of the present invention will be described below with reference to the first material and FIG. 2. , (1) is an annealing furnace, which has a hearth (2) that is continuously driven from the furnace inlet [(A) to the furnace outlet @131K, and is placed on the hearth (2) at the furnace inlet 1IlI. The pipe (3) as a finished product is conveyed to the furnace outlet via tc+ in the furnace. (41) to (45) are optical fibers, each of which has an end face on the incident side (51) to (55) ij said annealing furnace (1
) are arranged at equal intervals l from the furnace inlet 8 (A) to the furnace outlet side [F]), and each entrance side end 1IIi (5,
) to (55) are installed opposite the hearth (2) so as to receive light from the pipe (3). The optical fibers (4,) to (45) are rotationally driven.(9) A two-color thermometer serving as an Fi optical thermometer is used to rotate the rotary disk (6) in the circumferential direction from 1 o'clock to 12 o'clock.
In Fig. 1, the optical fiber (4,) is divided into two equal parts.
The output side end face of (45) coincides with the optical axis of the optical fiber located at the 12 o'clock position, and an analog signal that withstands the temperature of the detected light is output.
０１は増幅′ａ０を介して入力された前記２色温度計（
９）出力信号をデジタル変換するアナログ・デジタル変
換器、（６）に中央処理装置で、炉床（２）の前記連縦
移送に同期して前記パルスモータ（８）に駆動用の ！
パルスを送ると共にアナログ−デジタル変換器α０を介
して収り込んだ２色温度計（９）出力データの処理が実
行される。（至）Ｆｉ２色温度計（９）からの出力デー
タを記憶するメモリで、前記中央処理袋Ｗｔ（６）はこ
のメモリ（至）からデータを読み出して所定のデータ処
理が゛実行される００４Ｆｉ出力装置で、ＣＲＴディス
プレー、プリンタ等から成る。01 is the two-color thermometer (
9) an analog-to-digital converter for digitally converting the output signal; and (6) a central processing unit for driving the pulse motor (8) in synchronization with the continuous vertical transfer of the hearth (2).
Processing of the output data of the two-color thermometer (9), which is received via the analog-to-digital converter α0 while sending pulses, is executed. (To) A memory that stores output data from the Fi2 color thermometer (9).The central processing bag Wt (6) reads data from this memory (To) and performs predetermined data processing.004Fi output The device consists of a CRT display, printer, etc.
なお、各パイプ（３）は等間隔Ｌ＝／／２に配置されて
炉床（２）が速度Ｖで連続移動する場合を例（挙げて説
明する。また、先ず、前記ロータリーディスク（６）は
光ファイバー（４１）の光軸と２色温度計（９）の光軸
とが一致する状態にあって、ロータリーディスク（６）
は第２図ｆｃｌのパルスで時計方向に１パルスで角度θ
だけ回動し、第２図ｆｄ）のパルスで反時計方向に１パ
ルスで角度θだけ回転するよう構成されている。第２図
ｆａｌはＣＰＵ ０２のクロックパルスを表わす。The pipes (3) are arranged at equal intervals L=//2 and the hearth (2) moves continuously at a speed V as an example. The optical axis of the optical fiber (41) and the optical axis of the two-color thermometer (9) are aligned, and the rotary disk (6)
is the pulse of fcl in Figure 2, and the angle θ is one clockwise pulse.
It is configured to rotate by an angle θ per pulse in the counterclockwise direction according to the pulse shown in FIG. 2 (fd). FIG. 2 fal represents the clock pulse of the CPU 02.
ＣＰＵ ｔｌＪのデータ読み込みルーチンでは、例えば
、パイプ（３）のうちの特定パイプ（３ｏ）が光ファイ
バー（４１）の入射側端面（５，）の真下に来た時、／
＝２Ｌに設定されているため、光ファイバー（４２）〜
（４５）の各入射ｌｌ１ＩＩ端面（５２）〜（５５）の
真下にもバイ１（３）が米ている。この時、前記中央処
理装置〔以下、ＣＰＵと称す〕（２）から第２図（ｂ）
温度情報数り込みパルスデジタル変換器α１を介してデ
ジタル変換された特定パイプ（３゜）の温度情報が、メ
モ！Ｉ ＣＡ３へ格納される。これが終Ｙすると同時に
、第２図（ｃｌの時計方向送りパルスＣ４がＣＰＵ Ｕ
からパルスモータ（８）に出力されてロータリーディス
ク（６）がθだけ回動し、光ファイバー（４２）の光軸
が２色温度計（９１の光軸と一致する。これが終了する
と同時にパルスＢ２が出力されて光ファイバー（４２）
からの温度情報が先程と同様な経路でメモリＱ３に格納
される。以下、同様ニ、パルレスＣ２−パルスＢ、〔光
ファイバ（４ｓ ）ノ情報格納Ｊ−パルスＣ３−パルス
Ｂ４〔光ファイツク−（４４）の情報格納〕−パルスＣ
４−パルスＢ５〔光ファイバー（４５）の情報格納〕が
実行され、これが終了すると頓に反時計方向送りパルス
Ｄ ＋ ＋ Ｄ２１ Ｄ ５ ＋ Ｄ４がパルスモータ
（８）に出力されて、ロータリーディスク（６）が４θ
だけ反時計方向に回動し、再び光ファイバー（４，）の
光軸と２色温度肚（９）の光軸とが一致した状態に復帰
して次の測定に備える。In the data reading routine of the CPU tlJ, for example, when a specific pipe (3o) of the pipes (3) comes directly under the input side end face (5,) of the optical fiber (41), /
= 2L, so the optical fiber (42) ~
Bi1 (3) is also located directly below each of the incident end faces (52) to (55) of (45). At this time, from the central processing unit (hereinafter referred to as CPU) (2) to FIG. 2(b)
The temperature information of a specific pipe (3°) converted into digital data via the temperature information counting pulse digital converter α1 is a memo! Stored in ICA3. At the same time as this ends, the clockwise feed pulse C4 of cl (see Fig. 2) is sent to the CPU U.
is output to the pulse motor (8), the rotary disk (6) rotates by θ, and the optical axis of the optical fiber (42) coincides with the optical axis of the two-color thermometer (91).At the same time as this ends, pulse B2 is output. Output to optical fiber (42)
The temperature information from is stored in the memory Q3 through the same route as before. Hereinafter, similarly 2, pulseless C2-pulse B, [optical fiber (4s) information storage J-pulse C3-pulse B4 [optical fiber (44) information storage]-pulse C
4-Pulse B5 [storage of information in optical fiber (45)] is executed, and as soon as this is completed, a counterclockwise feed pulse D + + D21 D5 + D4 is output to the pulse motor (8), and the rotary disk (6 ) is 4θ
The optical axis of the optical fiber (4,) and the optical axis of the two-color temperature sensor (9) are returned to coincide with each other again in preparation for the next measurement.
次の測定までの間隔τは、ｆ−にで、５点の連続測定に
要する時間ＴｒＩｉ、Ｔ＝（１点当りの温度情報の読み
込みに要する時間）Ｘ’Ｎ＋（ロータリーディヌクの角
度θの回動に要する時間）×（Ｎ−１）で求められ、こ
こでＮ＃ｉ測定点数である。理想的には、入射側端面（
５１）〜（５５）の軸がパイプ゛（３）の中心上にある
ことが望ましいが、若干はずれていても差支えない。こ
の許容誤差をΔＸとすると、ｖ−Ｔ≦ΔＸ
なる条件を満せば測定可能である。なお、通常、速度υ
は非′確に小さいので、何ら問題はない。The interval τ until the next measurement is f-, the time required for continuous measurement of 5 points TrIi, T = (time required to read temperature information per point) It is determined by (time required for rotation) x (N-1), where N#i is the number of measurement points. Ideally, the input side end face (
It is desirable that the axes of 51) to 55 are on the center of the pipe (3), but there is no problem even if they are slightly offset. Assuming that this allowable error is ΔX, measurement is possible if the condition v-T≦ΔX is satisfied. Note that normally the speed υ
is extremely small, so there is no problem.
ＣＰＵ（２）のデータ処理ルーチンでは、焼鈍炉（１）
の炉出口１１ＨＢ）Ｋバイア°（３）が現われる度に１
そのパイプ゛（３）が尤ファイバー（４，）〜（４５）
の入射側端面（５，）〜（５５）の下方の測定ポイント
を通過した際の温す情報をメモＩＪ Ｑ３から読み出し
て、焼鈍ｆ（１）を通過した順番を表わすパイプ六ンバ
ーと共に各測定ポイントの温度情報が焼鈍温度ｌｉｔ埜
として出力装置Ｑ４を介して出力される。In the data processing routine of the CPU (2), the annealing furnace (1)
Furnace outlet 11HB) 1 each time K via ° (3) appears.
The pipe ゛(3) is a special fiber (4,)~(45)
The heating information when passing through the measurement points below the entrance side end face (5,) to (55) of is read out from the memo IJ Q3, and each measurement is carried out along with the pipe number 6 indicating the order in which it passed through the annealing f(1). Temperature information at the point is outputted as the annealing temperature via the output device Q4.
このように構成した九め、各パイプ（３）が測定ポイン
トを通過した際の焼鈍湿度を、バイ１（３）毎の＊ｍと
して即座ＫＲ埋することができ、生産ラインの管理に適
する。光ファイバー（４１）〜（４５）とロータリーデ
ィスク（６）を介して測定するため、測定ポイントが多
くてもこれを容易にカバーすることができると共に、ａ
敗の測定ポイントに対して同一の２色温度計（９）、増
幅器Ｑｌ） アナログ・デジタル髪換′ａｃｔｏで済
む九め、各測定ポイント間における１呉等もなく、正確
な測定が０Ｔ矩である。従来のような雰囲気管理では、
パイプ（３）の径や厚さによへて測定温度と実際の焼鈍
ｍ度との間にばらつきがあったが、この測ｆｆｌ装置に
よると光ファイバー（４Ｉ）γ（４５）と２色温度計（
９）によって焼鈍中のパイプ（３）の実際の温度を測定
できる次め、正確な温度管理を実施できる。・
□
上記実施例では、炉床（２）が連続移送されるものとし
て説明したが、これは間欠移送された場合であ。でも同
様に実施可能でおって、この場合に＃′ｉ連続移送の場
合に叱べて各種の制釣条什が緩和される。Ninthly, with this configuration, the annealing humidity when each pipe (3) passes the measurement point can be immediately filled in KR as *m for each bye 1 (3), which is suitable for production line management. Since the measurement is carried out via the optical fibers (41) to (45) and the rotary disk (6), even if there are many measurement points, it is possible to easily cover them.
The same two-color thermometer (9), amplifier Ql) for each measurement point. Analog-to-digital hair replacement is the 9th point, and there is no need for 1 minute between each measurement point, making accurate measurement possible with 0T rectangle. be. With conventional atmosphere management,
There were variations between the measured temperature and the actual annealing degree depending on the diameter and thickness of the pipe (3), but according to this ffl measurement device, the optical fiber (4I) γ (45) and the two-color thermometer (
9), the actual temperature of the pipe (3) during annealing can be measured, and then accurate temperature control can be carried out.・□ In the above embodiment, the hearth (2) was explained as being continuously transferred, but this is a case where it is being transferred intermittently. However, it can be implemented in the same way, and in this case, in the case of #'i continuous transfer, various fishing restrictions can be alleviated.
上記実施例では、各パイプ“（３）の間隔りがｌ／２、
速度υとして説明したが、パイプ（３）の間隔りと間隔
ｌがこの関係以外の場合であってもＣＰＵ（６）のソフ
トウェアを変更することで対処できる。また、光ファイ
バーの故が変っても同様にソフトウェアの変更で対処で
きる。In the above embodiment, the interval between each pipe "(3) is 1/2,
Although the speed υ has been explained, even if the interval between the pipes (3) and the interval l are not in this relationship, it can be handled by changing the software of the CPU (6). Additionally, even if the nature of the optical fiber changes, it can be dealt with by changing the software.
以上説明のように本発明によると、光ファイバーの入射
側端面で製品から出る光を検出して温度検出するため、
焼鈍炉内の雰囲気温度全測定していた従来のものに比べ
て焼鈍温度を正確に：ｌＳ定できる。各測定ポイントの
検出光を順に同一の光学温度計に導いて測定するため、
各測定ポイント相即間の誤差が少なくなると共に従来に
比べて多数の測定ポイントを十分にカバーすることがで
き、従って１つのパイプについての焼鈍温度履歴を正偏
に把握でき、また光ファイバーで検出光を所定位ｉＩｉ
まで導くため、作業員を悪い作業環境から解放すること
ができるものである。As explained above, according to the present invention, the temperature is detected by detecting the light emitted from the product at the input side end face of the optical fiber.
The annealing temperature can be determined more accurately than the conventional method, which measures the entire ambient temperature inside the annealing furnace. Since the detection light from each measurement point is guided to the same optical thermometer in order,
The error between each measurement point is reduced, and a large number of measurement points can be sufficiently covered compared to the conventional method. Therefore, the annealing temperature history of one pipe can be accurately determined, and the detection light can be detected using an optical fiber. Predetermined position ii
It can free workers from bad working environments.
第１図は本発明の一実施例の構成図、第２図ｆａｌ〜ｔ
ｄｌは第１図の湯部タイミング図である。
（１）・−・焼鈍炉、（２）・・・炉床、（３）・・・
パイプ゛〔製品〕、（４１）〜（４５）・・−光ファイ
バー、（５，）〜（５５）・・・入射側４［ｔｉ、１６
）・・・ロータリーディスク、（８）・−・ノ（ルスモ
ータ、（９）・・−２色温度計〔光学温度計〕、αＱ・
−・アナログ・デジタル変換器、＠・・・中央処理装置
、（２）・・・メモリ、（ロ）・・・出力装置
代理人 森 本 櫨 弘Fig. 1 is a configuration diagram of an embodiment of the present invention, Fig. 2 fal to t
dl is the timing diagram of the hot water part in FIG. (1)...Annealing furnace, (2)...Hearth, (3)...
Pipe [product], (41) to (45)...-Optical fiber, (5,) to (55)...Incidence side 4 [ti, 16
)...Rotary disk, (8)...-(Russ motor, (9)...-2 color thermometer [optical thermometer], αQ...
−・Analog-to-digital converter, @...Central processing unit, (2)...Memory, (B)...Output device agent Hiroshi Morimoto
Claims (1)
された複数本の光ファイバーを設け、前記複数本の光フ
ァイバーの出射側端面が周方向に所定の回動角度間隔を
もうて接続されたロータリーディスクを設け、前記ロー
タリーディスクに接続された出射側端面の検出光のうち
前記ロータリーディスクの所定位置の光ファイバーの検
出光を測定する光学温度計を設け、前記ロータリーディ
スクを前記製品の搬送に同期して所定の回動角度で往復
回動させるパルスモータを設けた焼鈍炉における製品測
温装置。1. A plurality of optical fibers whose input side end faces are arranged along the product conveyance path in the annealing furnace are provided, and the output side end faces of the plurality of optical fibers are connected at predetermined rotation angle intervals in the circumferential direction. an optical thermometer for measuring the detected light of an optical fiber at a predetermined position of the rotary disk among the detected light of the output side end face connected to the rotary disk, and the rotary disk is used for transporting the product. Product temperature measuring device in an annealing furnace equipped with a pulse motor that rotates reciprocatingly at a predetermined rotation angle in synchronization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57077077A JPS58193428A (en) | 1982-05-07 | 1982-05-07 | Apparatus for measuring temperature of product in annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57077077A JPS58193428A (en) | 1982-05-07 | 1982-05-07 | Apparatus for measuring temperature of product in annealing furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58193428A true JPS58193428A (en) | 1983-11-11 |
| JPH0350209B2 JPH0350209B2 (en) | 1991-08-01 |
Family
ID=13623716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57077077A Granted JPS58193428A (en) | 1982-05-07 | 1982-05-07 | Apparatus for measuring temperature of product in annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58193428A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6190023A (en) * | 1984-10-09 | 1986-05-08 | Fuji Electric Co Ltd | Temperature detecting device for billet |
| US4760225A (en) * | 1986-03-10 | 1988-07-26 | Alps Electric Co., Ltd. | Push button switch having a frame member for preventing solder penetration of switch contacts |
| JPH01124727A (en) * | 1987-11-10 | 1989-05-17 | Matsushita Electric Ind Co Ltd | Heating device |
| JPH02120040U (en) * | 1988-11-30 | 1990-09-27 | ||
| JP2007323971A (en) * | 2006-06-01 | 2007-12-13 | Seiko Epson Corp | Switch mechanism of electronic equipment |
-
1982
- 1982-05-07 JP JP57077077A patent/JPS58193428A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6190023A (en) * | 1984-10-09 | 1986-05-08 | Fuji Electric Co Ltd | Temperature detecting device for billet |
| US4760225A (en) * | 1986-03-10 | 1988-07-26 | Alps Electric Co., Ltd. | Push button switch having a frame member for preventing solder penetration of switch contacts |
| JPH01124727A (en) * | 1987-11-10 | 1989-05-17 | Matsushita Electric Ind Co Ltd | Heating device |
| JPH02120040U (en) * | 1988-11-30 | 1990-09-27 | ||
| JP2007323971A (en) * | 2006-06-01 | 2007-12-13 | Seiko Epson Corp | Switch mechanism of electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0350209B2 (en) | 1991-08-01 |
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