JPH0226043Y2 - - Google Patents
Info
- Publication number
- JPH0226043Y2 JPH0226043Y2 JP1982105742U JP10574282U JPH0226043Y2 JP H0226043 Y2 JPH0226043 Y2 JP H0226043Y2 JP 1982105742 U JP1982105742 U JP 1982105742U JP 10574282 U JP10574282 U JP 10574282U JP H0226043 Y2 JPH0226043 Y2 JP H0226043Y2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- converter
- verification
- output
- temperature measurement
- 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.)
- Expired
Links
- 238000009529 body temperature measurement Methods 0.000 claims description 36
- 238000012795 verification Methods 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- LIXXICXIKUPJBX-UHFFFAOYSA-N [Pt].[Rh].[Pt] Chemical compound [Pt].[Rh].[Pt] LIXXICXIKUPJBX-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Description
【考案の詳細な説明】
本考案は、測温装置に係り、特に、消耗型熱電
対を用いて溶鋼等の温度を測定する際に用いるの
に好適な、測温箇所に配設される測温センサを含
む測温部と、前記測温センサの出力を温度信号に
変換して表示、或いは、外部に出力する温度変換
部とを有してなる測温装置の改良に関する。[Detailed description of the invention] The present invention relates to a temperature measurement device, and in particular, a temperature measurement device that is suitable for use when measuring the temperature of molten steel, etc. using a consumable thermocouple. The present invention relates to an improvement of a temperature measuring device comprising a temperature measuring section including a temperature sensor, and a temperature converting section that converts the output of the temperature sensor into a temperature signal and displays or outputs it to the outside.
一般に、消耗型熱電対等の測温センサを用いて
溶鋼等の温度を測定するのに際して、転炉等の測
温箇所に配設される測温センサを含む測温部と、
前記測温センサの出力を温度信号に変換する温度
変換器を含み、該温度変換器の出力を表示、或い
は、外部に出力する温度変換部とを有してなる測
温装置が用いられている。このような測温装置に
おいては、測温センサ或いは温度変換部の不良に
基づく誤測定を防止するために、定期的に、或い
は、必要に応じて検定を行なうのが通常である。 Generally, when measuring the temperature of molten steel using a temperature sensor such as a consumable thermocouple, a temperature measurement unit including a temperature sensor installed at a temperature measurement point such as a converter,
A temperature measuring device is used that includes a temperature converter that converts the output of the temperature sensor into a temperature signal, and a temperature converter that displays or outputs the output of the temperature converter to the outside. . In such a temperature measurement device, in order to prevent erroneous measurements due to defects in the temperature measurement sensor or the temperature conversion section, it is normal to perform verification periodically or as necessary.
しかしながら従来は、適切な検定装置が開発さ
れていなかつたため、温度変換部の検定に際して
は、例えば転炉等の測温箇所に配設された、消耗
型熱電対等からなる測温センサを取りはずし、代
りに、定電圧発生器を温度変換部に接続して、基
準電圧を印加し、これに対して、温度変換器が規
定の出力を発生するか、或いは、規定の温度表示
が行なわれるか否か確認しなければならず、検定
作業に時間がかかつていた。 However, in the past, appropriate testing equipment had not been developed, so when testing a temperature converter, for example, the temperature sensor consisting of a consumable thermocouple installed at a temperature measuring point such as a converter was removed and replaced. First, connect a constant voltage generator to the temperature converter, apply a reference voltage, and check whether the temperature converter generates a specified output or displays a specified temperature. The verification process was time consuming as it had to be confirmed.
又、主として温度変換器の経時変化に起因し
て、生産現場における温度測定精度が徐々に低下
してゆく場合には、前記のような方法では、比較
検定が困難であり、操業管理上支障を来たすこと
があつた。 In addition, if the temperature measurement accuracy at the production site gradually decreases mainly due to changes over time in the temperature converter, it is difficult to perform comparative tests using the above method, which may cause problems in operational management. Something was coming.
本考案は、前記従来の欠点を解消するべくなさ
れたもので、測温部と温度変換部を接続したまま
の状態で温度変換部の温度検定を行なうことがで
き、しかも、温度変換器の経時変化による測定精
度の劣化も明確に検知でき、更に、保守要員の手
作業を要することなく、自動的に温度変換部の検
定を行なうことも可能な測温装置を提供すること
を目的とする。 The present invention has been developed to eliminate the above-mentioned drawbacks of the conventional technology, and it is possible to perform temperature verification of the temperature converter while the temperature measuring unit and temperature converter are connected, and also It is an object of the present invention to provide a temperature measurement device that can clearly detect deterioration in measurement accuracy due to changes, and can also automatically verify a temperature conversion section without requiring manual work by maintenance personnel.
本考案は、測温箇所に配設される測温センサを
含む測温部と、前記測温センサの出力を温度信号
に変換する温度変換器を含み、該温度変換器の出
力を表示、或いは、外部に出力する温度変換部と
を有してなる測温装置において、前記温度変換部
内で、前記測温部出力の引込線の一つに常時直列
接続される抵抗を含む検定用の定電圧発生器と、
通常測温時は、該定電圧発生器を作用させず、前
記測温センサの出力が前記抵抗を経て前記温度変
換器にそのまま入力されるようにし、一方検定時
は、前記測温部出力の引込線を互いに短絡すると
共に、前記定電圧発生器を作用させ、前記抵抗を
検定用測温センサとして機能させる切換スイツチ
と、検定時の温度変換器の温度信号出力を記憶す
る記憶装置とを設け、測温部と温度変換部を接続
したままの状態で温度変換部の検定、及び、検定
時の温度信号の経時比較が行なえるようにして、
前記目的を達成したものである。 The present invention includes a temperature measurement unit including a temperature measurement sensor disposed at a temperature measurement location, and a temperature converter that converts the output of the temperature measurement sensor into a temperature signal, and displays the output of the temperature converter, or , a temperature measuring device that has a temperature converting section that outputs to the outside, in which a constant voltage for verification is generated in the temperature converting section, including a resistor that is always connected in series with one of the lead-in wires of the output of the temperature measuring section. The vessel and
During normal temperature measurement, the constant voltage generator is not activated, and the output of the temperature sensor is directly input to the temperature converter via the resistor.On the other hand, during verification, the output of the temperature measurement section is input directly to the temperature converter. A changeover switch is provided that shorts the lead-in wires to each other, operates the constant voltage generator, and causes the resistor to function as a temperature measurement sensor for verification, and a storage device that stores the temperature signal output of the temperature converter at the time of verification, The temperature converter can be verified while the temperature measuring part and the temperature converter are connected, and the temperature signals at the time of verification can be compared over time.
The above objective has been achieved.
以下図面を参照して、本考案の実施例を詳細に
説明する。 Embodiments of the present invention will be described in detail below with reference to the drawings.
本実施例は、第１図に示す如く、測定箇所、例
えば転炉に配設される、例えば消耗型熱電対から
なる測温センサ１２、及び、該測温センサ１２を
保持するサブランス等の測温ホルダ１４からなる
測温部１０と、前記測温センサ１２の出力を温度
信号に変換する温度変換器２２、該温度変換器２
２の出力をチヤート上に記録する記録計２４、或
いは／及び、同じく温度変換器２２の出力を表示
するシンクロスコープ等の表示器２６からなる温
度変換部２０とを有してなる溶鋼の温度測定装置
において、前記温度変換部２０内に、前記測温セ
ンサ１２出力の引込線の一つに常時直列接続され
る抵抗３６及び定電圧発生器３５よりなる定電圧
発生器３０を設け、通常測温時には、切換スイツ
チ３２の常開型切換接点３２ａ，３２ｂをオフと
することにより、定電圧発生器３０を不通状態と
して作用させず、温度センサ１２で発生した超電
力を、そのまま、温度変換器２２へ伝送し、一
方、検定時には、切換接点３２ａ，３２ｂをオン
とすることにより、測温センサ１２出力の引込線
を互いに短絡すると共に、定電圧発生器３０を作
用させ、前記抵抗３６の両端に検定電圧を発生し
て温度変換器２２へ伝送すると共に、前記温度変
換器２２からの出力を外部計算機３４で記憶する
ようにして、測温部１０と温度変換部２０を接続
したままの状態で温度変換部２０の検定が行なえ
ると共に、外部計算機３４で、検定時の温度信号
の経時比較が行なえるようにしたものである。 As shown in FIG. 1, this embodiment measures a temperature sensor 12 disposed in a converter, such as a consumable thermocouple, and a sub-lance that holds the temperature sensor 12. A temperature measuring unit 10 consisting of a temperature holder 14, a temperature converter 22 that converts the output of the temperature sensor 12 into a temperature signal, and the temperature converter 2
Temperature measurement of molten steel comprising: a recorder 24 for recording the output of the temperature converter 22 on a chart; In the device, a constant voltage generator 30 consisting of a resistor 36 and a constant voltage generator 35 which are always connected in series to one of the lead-in lines of the output of the temperature sensor 12 is provided in the temperature conversion section 20, and when normally measuring temperature, a constant voltage generator 30 is provided. By turning off the normally open switching contacts 32a and 32b of the switching switch 32, the constant voltage generator 30 is not turned off and the superpower generated by the temperature sensor 12 is directly transferred to the temperature converter 22. On the other hand, at the time of verification, the switching contacts 32a and 32b are turned on to short-circuit the lead-in wires of the temperature sensor 12 output, and the constant voltage generator 30 is activated to apply the verification voltage to both ends of the resistor 36. is generated and transmitted to the temperature converter 22, and the output from the temperature converter 22 is stored in the external computer 34, so that temperature conversion can be performed while the temperature measuring section 10 and the temperature converting section 20 are still connected. In addition to being able to perform the verification of the section 20, the external computer 34 can also compare the temperature signals during the verification over time.
図において、１４ａ及び２０ａは、それぞれ、
測温ホルダ１４及び温度変換部２０に配設された
コネクタ、１６は、前記コネクタ１４ａ，２０ａ
間を接続するリード線である。 In the figure, 14a and 20a are respectively
The connectors 16 disposed on the temperature measurement holder 14 and the temperature conversion section 20 are connected to the connectors 14a and 20a.
This is the lead wire that connects the two.
前記定電圧発生器３０で発生される基準電圧
は、検定温度に応じて、予め、起電力−温度特性
表等により設定されており、例えば、測温センサ
１２が白金−白金ロジウム熱電対である場合に
は、検定時の温度指示値が1600℃になるように、
18.842mVに調整されている。 The reference voltage generated by the constant voltage generator 30 is set in advance based on an electromotive force-temperature characteristic table, etc., depending on the test temperature. For example, the temperature sensor 12 is a platinum-platinum rhodium thermocouple. In case, the temperature indication value at the time of verification is 1600℃,
It is adjusted to 18.842mV.
以下作用を説明する。 The action will be explained below.
まず、通常測温時には、切換接点３２ａ，３２
ｂはオフとされ、定電圧発生器３０は不通状態と
なつている。従つて、従来と同様に、例えば消耗
型熱電対からなる測温センサ１２を溶鋼に浸漬
し、測温センサ１２より発生した起電力を、温度
変換部２０の温度変換器２２で増幅して温度信号
に変換し、記録計24或いは／及び表示器２６に出
力して、記録或いは／及び表示することによつ
て、正常な測温が行なわれる。 First, during normal temperature measurement, the switching contacts 32a, 32
b is turned off, and the constant voltage generator 30 is in a disconnected state. Therefore, as in the past, the temperature sensor 12 made of, for example, a consumable thermocouple is immersed in molten steel, and the electromotive force generated by the temperature sensor 12 is amplified by the temperature converter 22 of the temperature converter 20 to convert the temperature. Normal temperature measurement is performed by converting the signal into a signal, outputting it to the recorder 24 and/or display 26, and recording and/or displaying the signal.
一方、温度変換部２０の検定を行なう際には、
切換接点３２ｂをオンとすることにより、定電圧
発生器３０が検定温度に対応する基準電圧を発生
すると共に、切換接点３２ａがオンとなり、温度
センサ１２側は短絡されて温度変換部２０の入力
が導通状態となり、定電圧発生器３０で発生した
基準電圧が温度変換器２２に入力されるようにな
る。従つて、この検定時に、記録計２４或いは／
及び表示器２６に検定温度（例えば1600℃）±許
容誤差内の温度が指示されれば、温度変換部２０
が正常であると判定できる。一方、検定温度と異
なる温度が指示された場合には、温度変換器２２
以降に異常があると判定される。 On the other hand, when testing the temperature converter 20,
By turning on the switching contact 32b, the constant voltage generator 30 generates a reference voltage corresponding to the test temperature, and the switching contact 32a is also turned on, so that the temperature sensor 12 side is short-circuited and the input to the temperature converter 20 is turned on. A conductive state is established, and the reference voltage generated by the constant voltage generator 30 is input to the temperature converter 22. Therefore, at the time of this test, the recorder 24 or
And if the verification temperature (for example, 1600°C) ± the temperature within the tolerance is indicated on the display 26, the temperature converter 20
can be determined to be normal. On the other hand, if a temperature different from the verification temperature is specified, the temperature converter 22
After that, it is determined that there is an abnormality.
上記の判定は、作業員が記録計２４或いは表示
器２６上の指示値を視認することによつて行なつ
てもよいし、又、外部計算機３４内で自動的に判
定し、判定結果をランプ、警報器等で作業員に告
知するようにしてもよい。 The above judgment may be made by a worker visually checking the indicated value on the recorder 24 or the display 26, or may be made automatically in the external computer 34 and the judgment result displayed on a lamp. , workers may be notified using an alarm or the like.
更に、検定時の温度指示値を外部計算機３４で
記憶しているので、その時系列変化を調べること
によつて、特に温度変換器２２の経年変化を知る
ことができ、設備診断に役立てることができる。 Furthermore, since the temperature indication value at the time of verification is stored in the external computer 34, by examining its time-series changes, it is possible to know especially the secular change of the temperature converter 22, which can be useful for equipment diagnosis. .
なお前記実施例においては、切換スイツチ３２
を手動によりオンオフするようにしていたが、例
えば、測温センサ１２として消耗型熱電対が用い
られている場合には、測温センサ１２の測温ホル
ダ１４に対する装着信号により、自動的に切換ス
イツチ３２をオンとし、所定時間、例えば５秒後
にオフとなるようにして、測温センサ装着時に自
動的に検定が行なわれるようにすることも可能で
ある。検定完了後は、異常がなければ、測温可能
の指示を出力して、そのまま溶鋼等の温度測定を
開始することができる。このような場合には、測
定開始前に必ず自動的に検定が行なわれることと
なり、測温不良を未然に防止して、高い測定精度
を容易に維持することができる。 In the above embodiment, the changeover switch 32
However, if a consumable thermocouple is used as the temperature sensor 12, the changeover switch is automatically turned on or off by the attachment signal of the temperature sensor 12 to the temperature measurement holder 14. 32 may be turned on and turned off after a predetermined period of time, for example, 5 seconds, so that the verification is automatically performed when the temperature sensor is attached. After the verification is completed, if there are no abnormalities, an instruction to enable temperature measurement is output and temperature measurement of molten steel, etc. can be started immediately. In such a case, verification is always performed automatically before starting measurement, and temperature measurement failures can be prevented and high measurement accuracy can be easily maintained.
前記実施例は、本考案を、消耗型熱電対を用い
た溶鋼の温度測定装置に適用したものであるが、
本考案の適用範囲はこれに限定されず、他の測温
センサを用いた一般の測温装置にも、同様に適用
可能である。又、測温装置以外の一般の計測装置
にも同様に適用可能である。 In the above embodiment, the present invention is applied to a molten steel temperature measuring device using a consumable thermocouple.
The scope of application of the present invention is not limited to this, and can be similarly applied to general temperature measurement devices using other temperature measurement sensors. Moreover, it is similarly applicable to general measuring devices other than temperature measuring devices.
以上説明した通り、本考案によれば、測温部と
温度変換部を接続したままの状態で温度変換部の
温度検定を行なうことができ、測温装置の検定を
行なうことができる。又、検定時の出力を記憶し
ておくことによつて、特に温度変換器における経
時変化を監視することができ、経時変化による測
定精度の劣化状態を明確に知ることができるの
で、操業管理が容易となる。更に、保守要員の手
作業を要することなく、自動的に温度変換部の検
定を行なうことも可能となる等の優れた効果を有
する。 As described above, according to the present invention, the temperature of the temperature converting section can be verified while the temperature measuring section and the temperature converting section remain connected, and the temperature measuring device can be verified. In addition, by storing the output at the time of verification, it is possible to monitor changes over time, especially in the temperature converter, and it is possible to clearly see the state of deterioration in measurement accuracy due to changes over time, making it easier to manage operations. It becomes easier. Furthermore, it has excellent effects such as being able to automatically verify the temperature converter without requiring manual work by maintenance personnel.
第１図は、本考案に係る測温装置の実施例の構
成を示すブロツク線図である。
１０……測温部、１２……測温センサ、２０…
…温度変換部、２２……温度変換器、２４……記
録計、２６……表示器、３０……定電圧発生器、
３２……切換スイツチ、３２ａ，３２ｂ……常開
型切換接点、３４……外部計算機、３５……定電
流発生器、３６……抵抗。
FIG. 1 is a block diagram showing the configuration of an embodiment of a temperature measuring device according to the present invention. 10...Temperature measurement section, 12...Temperature measurement sensor, 20...
... Temperature converter, 22 ... Temperature converter, 24 ... Recorder, 26 ... Display, 30 ... Constant voltage generator,
32... Changeover switch, 32a, 32b... Normally open type changeover contact, 34... External computer, 35... Constant current generator, 36... Resistor.
Claims (1)
と、前記測温センサの出力を温度信号に変換する
温度変換器を含み、該温度変換器の出力を表示、
或いは、外部に出力する温度変換器とを有してな
る測温装置において、 前記温度変換部内で、前記測温部出力の引込線
の一つに常時直列接続される抵抗を含む検定用の
定電圧発生器と、 通常測温時は、該定電圧発生器を作用させず、
前記測温センサの出力が前記抵抗を経て前記温度
変換器にそのまま入力されるようにし、一方検定
時は、前記測温部出力の引込線を互いに短絡する
と共に、前記定電圧発生器を作用させ、前記抵抗
を検定用測温センサとして機能させる切換スイツ
チと、 検定時の温度変換器の温度信号出力を記憶する
記憶装置とを設け、 測温部と温度変換部を接続したままの状態で温
度変換部の検定、及び、検定時の温度信号の経時
比較が行なえるようにしたことを特徴とする測温
装置。[Scope of Claim for Utility Model Registration] A temperature measurement unit including a temperature measurement sensor disposed at a temperature measurement point, and a temperature converter that converts the output of the temperature measurement sensor into a temperature signal, the output of the temperature converter Show,
Alternatively, in a temperature measuring device comprising a temperature converter that outputs to the outside, a constant voltage for verification including a resistor that is always connected in series with one of the lead-in wires of the output of the temperature measuring section in the temperature converting section. During normal temperature measurement, the constant voltage generator is not activated.
The output of the temperature sensor is directly input to the temperature converter via the resistor, while during verification, the lead wires of the temperature measurement section output are short-circuited to each other, and the constant voltage generator is activated; A changeover switch that allows the resistor to function as a temperature measurement sensor for verification, and a storage device that stores the temperature signal output of the temperature converter at the time of verification are provided, and temperature conversion is performed while the temperature measurement section and temperature conversion section are connected. 1. A temperature measurement device that is capable of performing temperature verification and comparison over time of temperature signals at the time of verification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10574282U JPS5910032U (en) | 1982-07-13 | 1982-07-13 | Temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10574282U JPS5910032U (en) | 1982-07-13 | 1982-07-13 | Temperature measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5910032U JPS5910032U (en) | 1984-01-21 |
| JPH0226043Y2 true JPH0226043Y2 (en) | 1990-07-17 |
Family
ID=30247728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10574282U Granted JPS5910032U (en) | 1982-07-13 | 1982-07-13 | Temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5910032U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4927272A (en) * | 1972-06-30 | 1974-03-11 | ||
| JPS50106682A (en) * | 1974-01-29 | 1975-08-22 | ||
| JPS56124027A (en) * | 1980-03-06 | 1981-09-29 | Chino Works Ltd | Measuring device for temperature |
-
1982
- 1982-07-13 JP JP10574282U patent/JPS5910032U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4927272A (en) * | 1972-06-30 | 1974-03-11 | ||
| JPS50106682A (en) * | 1974-01-29 | 1975-08-22 | ||
| JPS56124027A (en) * | 1980-03-06 | 1981-09-29 | Chino Works Ltd | Measuring device for temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5910032U (en) | 1984-01-21 |
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