JPS5939622Y2 - thermocouple - Google Patents
thermocoupleInfo
- Publication number
- JPS5939622Y2 JPS5939622Y2 JP17348382U JP17348382U JPS5939622Y2 JP S5939622 Y2 JPS5939622 Y2 JP S5939622Y2 JP 17348382 U JP17348382 U JP 17348382U JP 17348382 U JP17348382 U JP 17348382U JP S5939622 Y2 JPS5939622 Y2 JP S5939622Y2
- Authority
- JP
- Japan
- Prior art keywords
- thermocouple element
- thermocouple
- support
- ferrule
- jacket
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Endoscopes (AREA)
Description
【考案の詳細な説明】
本考案は熱電対に関し、さらには長さの長い熱電対素子
の機械的支持装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a thermocouple, and more particularly to a mechanical support device for a long thermocouple element.
高温にしてかつ高レベルの振動に耐え応答性の速い長さ
の長い熱電対を使用しなければならない場合がある。It may be necessary to use long thermocouples that can withstand high temperatures and high levels of vibration and have a fast response.
よってこのような熱電対素子を支持する装置を個々に設
計する場合に熱電対素子の長さと温度と振動の使用状況
を充分考慮に入れなければならない。Therefore, when designing an individual device for supporting such a thermocouple element, sufficient consideration must be given to the length, temperature, and vibration usage conditions of the thermocouple element.
補強と支持の目的で外被内に熱電対素子を装着すること
が従来行なわれている。It is conventional practice to mount thermocouple elements within the envelope for reinforcement and support purposes.
この熱電素子とこれを囲む外被の間にある種の支指を提
供することももちろん必要なことである。It is of course also necessary to provide some kind of support between the thermoelectric element and the surrounding envelope.
しかしながらこのような方式においては外被と熱電対素
子との間の熱膨張差の問題、振動の吸収緩和、外被内で
の熱電対素子の同軸配置の問題むよび熱電対素子の即応
容性の問題を検討しなければならない。However, in this method, there are problems such as the difference in thermal expansion between the jacket and the thermocouple element, vibration absorption and mitigation, coaxial arrangement of the thermocouple element within the jacket, and the rapid response capacity of the thermocouple element. issue must be considered.
本考案の目的の一つとしては、上記検討事項に関して好
１しき解決策を提供する機械的支持装置を有する熱電対
素子を提示することにある。One of the objects of the invention is to present a thermocouple element with a mechanical support device that provides a favorable solution with respect to the above considerations.
本考案による熱電対は、比較的大径の第一の部分と比較
的小径の第二の部分を有する熱応答性熱電対素子と該熱
電対素子を同軸で囲む剛性外被と該熱電対素子の前記第
二の部分に取付けた支持装置とを有し、使用中にお−け
る該支持装置は熱電対素子に関し滑動不可能であり、か
つその表面の少なくとも一つが前記外被の内壁に接触し
該熱電対素子を該外被以内で滑動させるようになってい
るものである。A thermocouple according to the present invention includes a thermoresponsive thermocouple element having a first portion having a relatively large diameter and a second portion having a relatively small diameter; a support device attached to the second portion of the thermocouple element, the support device being non-slip relative to the thermocouple element in use and having at least one of its surfaces in contact with an inner wall of the jacket. The thermocouple element is adapted to slide within the jacket.
好運しくは円錐台形の薄壁の支持フエルール二つを熱電
対素子にそって隔置して使用し外被の内壁に接触滑動す
る支持接触面を提供する。Two thin-walled support ferrules, preferably frustoconically shaped, are used spaced apart along the thermocouple element to provide a support contact surface that slides into contact with the inner wall of the envelope.
これらの支持フェルールは熱電対素子にろう付けしても
良い。These support ferrules may be brazed to the thermocouple element.
本考案の実施例を添付図を参照して説明する。Embodiments of the present invention will be described with reference to the accompanying drawings.
添付図は、本考案による実施例の熱電対素子の長手方向
断面図を示す。The accompanying drawing shows a longitudinal cross-section of an example thermocouple element according to the invention.
添付図にお・いて、熱電対は比較的小径の、例えば２間
径、スウエジエンド部分１２を有する鉱物質保護の熱電
対素子１０を一構成要素とする。In the accompanying drawings, the thermocouple comprises a mineral-protected thermocouple element 10 having a relatively small diameter, e.g., two diameter, swaged end portion 12.
この熱電素子１００本体の斗わりには円筒形の外被１４
がある。The thermoelectric element 100 has a cylindrical outer sheath 14 in place of the main body.
There is.
この外被は剛体であり、例えば外径力９．５３＋ｏｔ径
のステンレス鋼製フェルールである。The jacket is a rigid body, such as a stainless steel ferrule with an outside diameter of 9.53+ ot.
外被１４は熱電対素子のスウエジエンド部分１２に対し
同軸で延在しかつその外方端部には開口１５が提供され
、熱電素子の先端に対するガス体の流路を与えている。The jacket 14 extends coaxially to the swaged end portion 12 of the thermocouple element and is provided with an opening 15 at its outer end to provide a flow path for gas to the tip of the thermocouple element.
外被１４と熱電対素子の小径スウエジエンド部分との間
にかなりの空間を有することが好ましい。It is preferred to have a significant amount of space between the jacket 14 and the small diameter swaged end portion of the thermocouple element.
薄壁の円錐台形支持フェルール１８の二個がこの空間に
提供され熱電素子の小径部分１２の長さ方向に沿って隔
置されている。Two thin-walled frustoconical support ferrules 18 are provided in this space and spaced apart along the length of the small diameter portion 12 of the thermoelectric element.
各支持フェルール１８は熱電素子に固着される比較的小
径の第一の円筒部分１９と、外周面を外被１４の内面と
接触する比較的大径の第二の円筒部分２０と、該円筒部
分１９．２０の間に一体形で延在する円錐台形のテーパ
状中間部分２１とから構成される。Each support ferrule 18 includes a first cylindrical portion 19 of relatively small diameter fixed to the thermoelectric element, a second cylindrical portion 20 of relatively large diameter whose outer peripheral surface is in contact with the inner surface of jacket 14, and 19 and a truncated conical tapered intermediate portion 21 integrally extending between 19 and 20.
円筒部分２０は外被と接触するが外被以内をスムースに
滑動可能なような大きさにフェルール１８のサイズを決
定する。The ferrule 18 is sized such that the cylindrical portion 20 contacts the jacket but can slide smoothly within the jacket.
さらにフェルール１８は上記の設計条件を満足するよう
にしつつ熱電対素子の小径スウエジエンド部分１２を確
実に支持するものである。Further, the ferrule 18 reliably supports the small diameter swaged end portion 12 of the thermocouple element while satisfying the above design conditions.
フェルール１８の円筒部分１９を熱電対素子１２にニッ
ケルろう付けする場合に、熱電対素子１２の非常に薄い
外被のまわりはそのろう付は量はまったく少量なること
が必要である。When nickel-brazing the cylindrical portion 19 of the ferrule 18 to the thermocouple element 12, very little brazing is required around the very thin jacket of the thermocouple element 12.
すなわち活性的ろう付成分を多量に使用した場合に生じ
る熱電対素子のろう付浸食の危険性をこれにより防止し
なければならない。This means that the risk of braze erosion of the thermocouple element, which occurs when large amounts of active brazing components are used, must be avoided.
上記熱電対支持装置により、支持フェルールが低質量な
る故に熱電対素子の即応容性を達成することが可能とな
りかつ熱電対素子の長さ方向にそってフェルールを配置
するためにζ、の応答曲線を非常に使用容易な形にする
ことが可能となる。The thermocouple support device described above makes it possible to achieve rapid response of the thermocouple element due to the low mass of the support ferrule, and due to the placement of the ferrule along the length of the thermocouple element, the response curve of ζ can be made into a form that is extremely easy to use.
上記実施例においては支持のためにフェルールを二個使
用したものを示したが、熱電対を外被内に支持しかつ熱
電対素子を滑動させ得るその他の支持装置も使用可能で
ある。Although the above embodiment shows the use of two ferrules for support, other support devices that support the thermocouple within the envelope and allow sliding of the thermocouple element may also be used.
例えば−個あるいは数個のフェルールも使用可能である
。For example, - or even several ferrules can be used.
半径方向外方に延在する一個あるいは複数個のスパイダ
素子を使用しても良い。One or more radially outwardly extending spider elements may be used.
熱電対素子を支持するための中心孔を有する互に直角方
向にセットされた腕木の二個を使用しても良い。Two mutually orthogonally set arms having a central hole for supporting the thermocouple element may be used.
ろう付は等の方法により支持を恒久的に熱電対素子１２
に取付けることは必ずしも必要でない。The thermocouple element 12 is permanently supported by a method such as brazing or the like.
It is not necessarily necessary to install on.
熱電対素子１２に支持を装着するに際しては、たとえそ
れが恒久的に装着することが好ましいとはいえ、取外し
可能にすることも可能である。The mounting of the support on the thermocouple element 12 may be removable, although it is preferred that it be permanently mounted.
支持を貫通する熱電素子と相対的に使用中の該支持が滑
動することは不可能でなければならないとしても取外し
可能なように装着することはできる。It may be removably mounted, although it must be impossible for the support to slide during use relative to the thermoelectric element passing through the support.
添付図は本考案による実施例の熱電対素子の長手方向断
面図を示す。
１０は熱電対素子の大径の第一部分、１１は熱電対素子
の小径の第二部分、１４は外被、１５は開口、１８はフ
ェルール、１９はフェルールの小径第一円筒部分、２０
はフェルールの大径第二円筒部分、２１はフェルールの
中間テーパ部分。The attached figure shows a longitudinal cross-section of an exemplary thermocouple element according to the invention. 10 is a large-diameter first portion of the thermocouple element, 11 is a small-diameter second portion of the thermocouple element, 14 is an outer jacket, 15 is an opening, 18 is a ferrule, 19 is a small-diameter first cylindrical portion of the ferrule, 20
21 is the large-diameter second cylindrical portion of the ferrule, and 21 is the intermediate tapered portion of the ferrule.
Claims (1)
横断面の第２部分とを含む熱応答性の熱電対素子と、該
熱電対素子を囲む円筒形剛性外被と、該熱電対素子の前
記第２部分に取付た支持装置とを有し、該支持装置が、
前記熱電対素子の第２部分に結合された第１円筒部分と
、前記外被内壁に接触する第２円筒部分と、該第１と第
２円筒部分の間に延在するテーパ部分とを有する薄壁フ
ェルールで構成されている熱電対。a thermoresponsive thermocouple element including a first portion of relatively large cross-section and a second elongate and relatively small cross-section portion; a rigid cylindrical jacket surrounding the thermocouple element; a support device attached to the second portion of the
a first cylindrical portion coupled to a second portion of the thermocouple element; a second cylindrical portion contacting the inner wall of the envelope; and a tapered portion extending between the first and second cylindrical portions. A thermocouple constructed of a thin-walled ferrule.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9649/74 | 1974-03-04 | ||
| GB964974A GB1452681A (en) | 1974-03-04 | 1974-03-04 | Thermocouples |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58109038U JPS58109038U (en) | 1983-07-25 |
| JPS5939622Y2 true JPS5939622Y2 (en) | 1984-11-06 |
Family
ID=9876079
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2641975A Pending JPS50152784A (en) | 1974-03-04 | 1975-03-04 | |
| JP17348382U Expired JPS5939622Y2 (en) | 1974-03-04 | 1982-11-16 | thermocouple |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2641975A Pending JPS50152784A (en) | 1974-03-04 | 1975-03-04 |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS50152784A (en) |
| DE (1) | DE2509371C2 (en) |
| FR (1) | FR2263607B1 (en) |
| GB (1) | GB1452681A (en) |
| IT (1) | IT1029926B (en) |
| NL (1) | NL7502529A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4411859A (en) * | 1979-06-13 | 1983-10-25 | Scandpower, Inc. | Gamma sensor having combined thermal bridge and centering means |
| US4356061A (en) * | 1979-06-13 | 1982-10-26 | Scandpower, Inc. | Gamma thermometer having combined thermal bridge and centering means |
| GB2202083B (en) * | 1987-03-07 | 1990-02-21 | Schlumberger Ind Ltd | Thermocouples |
| GB2262837A (en) * | 1991-12-10 | 1993-06-30 | Schlumberger Ind Ltd | Thermocouples |
| DE19505588C2 (en) * | 1995-02-18 | 1998-09-17 | Miele & Cie | Temperature sensor arrangement for an oven |
| DE19544880B4 (en) * | 1995-12-01 | 2005-01-05 | Alstom | temperature probe |
| DE20005722U1 (en) * | 2000-03-28 | 2001-05-10 | Hydrogeologie Gmbh | Device for temperature measurement in the ground |
| DE202005011209U1 (en) | 2005-07-16 | 2005-09-29 | Rational Ag | Positioning aid for temperature sensor used in cooking has rigid rack with fixing section into which shaft of temperature sensor is press-fitted, such that longitudinal axis of shaft coincides with longitudinal axis of positioning aid |
| FR3070460B1 (en) * | 2017-08-31 | 2020-10-30 | Thermocoax Cie | DEVICE FOR DAMPING THE VIBRATIONS OF A FLEXIBLE CABLE OR WITH MINERAL INSULATION INTEGRATED IN A CAVITY, A CABLE THUS EQUIPPED WITH AND MANUFACTURING PROCESS |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3159032A (en) * | 1960-03-18 | 1964-12-01 | Gen Motors Corp | Thermocouple |
| US3266318A (en) * | 1963-04-03 | 1966-08-16 | Vincent V Abajian | Thermosensitive device for temperature indication and/or control |
| GB1113253A (en) * | 1966-04-27 | 1968-05-08 | Ultra Electronics Ltd | Improvements in or relating to thermocouples |
| FR2146544A5 (en) * | 1971-07-16 | 1973-03-02 | Cables De Lyon Geoffroy Delore | |
| FR2181175A5 (en) * | 1972-04-20 | 1973-11-30 | Commissariat Energie Atomique |
-
1974
- 1974-03-04 GB GB964974A patent/GB1452681A/en not_active Expired
-
1975
- 1975-03-03 IT IT4842475A patent/IT1029926B/en active
- 1975-03-04 NL NL7502529A patent/NL7502529A/en not_active Application Discontinuation
- 1975-03-04 DE DE19752509371 patent/DE2509371C2/en not_active Expired
- 1975-03-04 JP JP2641975A patent/JPS50152784A/ja active Pending
- 1975-03-04 FR FR7506696A patent/FR2263607B1/fr not_active Expired
-
1982
- 1982-11-16 JP JP17348382U patent/JPS5939622Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2509371A1 (en) | 1975-09-11 |
| JPS58109038U (en) | 1983-07-25 |
| FR2263607B1 (en) | 1980-01-04 |
| IT1029926B (en) | 1979-03-20 |
| FR2263607A1 (en) | 1975-10-03 |
| JPS50152784A (en) | 1975-12-09 |
| DE2509371C2 (en) | 1984-05-17 |
| NL7502529A (en) | 1975-09-08 |
| GB1452681A (en) | 1976-10-13 |
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