JPS59210333A - Temperature detector - Google Patents
Temperature detectorInfo
- Publication number
- JPS59210333A JPS59210333A JP7610584A JP7610584A JPS59210333A JP S59210333 A JPS59210333 A JP S59210333A JP 7610584 A JP7610584 A JP 7610584A JP 7610584 A JP7610584 A JP 7610584A JP S59210333 A JPS59210333 A JP S59210333A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- thermistor element
- sheath tube
- resistant
- heat resistant
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
-
- 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
- G01K1/08—Protective devices, e.g. casings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は温度検出器に関するものであシ、サーミスタ素
子を耐熱シース管の一端に封じ込め、芯線の溶融および
シース管の鋏めによって固定することにより、常温から
高温域に至る環境での耐振。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a temperature detector, and by sealing a thermistor element in one end of a heat-resistant sheath tube and fixing it by melting the core wire and scissoring the sheath tube, it can be used in a temperature range from room temperature to high temperature. Vibration resistant in various environments.
衝撃、冷熱振動性を有し、かつ従来のように貴金属全極
線と二層シース管を使用せずに、１ｍｌ熱電極ペースト
と一芯シースＶを使用することにより、コストと工数の
低減をはかることを目的とする。It has shock and cold vibration properties, and reduces cost and man-hours by using 1ml thermal electrode paste and single-core sheath V instead of using the conventional noble metal all-pole wire and double-layer sheath tube. The purpose is to measure.
そして、利用分野としては、振動や衝撃に対する耐久性
を要求される自動車用や産業用等の１０００°Ｃ付近捷
での高温用温度検出器を提供しようとするものである。As for the field of application, it is intended to provide a high-temperature sensor for use at temperatures around 1000° C. for automobiles, industrial applications, etc., which require durability against vibrations and shocks.
従来の温度検出器は、第１図および第２図に示すように
、サーミスタ素子１に埋込捷れた白金等の電極線２を耐
熱二層ソース管３の耐熱引き出し線４と溶接し、サーミ
スタ素子１と溶接部５に磁器管６を耐熱金属ケース７と
の絶縁のためかぶせた状態でこの耐熱金属ケースＴ内に
収納し、ケース鋏め８にて二層シース管３を固定し寸た
熱絞め９により磁器管６を固定していた。また、図て１
０は二層シース管３内に充填されたＭｇＯ＠の耐熱無機
充填材である。As shown in FIGS. 1 and 2, a conventional temperature sensor is constructed by welding a twisted electrode wire 2 of platinum or the like embedded in a thermistor element 1 to a heat-resistant lead wire 4 of a heat-resistant double-layer source tube 3. A porcelain tube 6 is placed over the thermistor element 1 and the welded portion 5 to insulate it from the heat-resistant metal case 7, and the two-layer sheath tube 3 is fixed with the case scissors 8, and the dimensions are adjusted. The porcelain tube 6 was fixed by a heat choke 9. Also, try 1
0 is a heat-resistant inorganic filler of MgO@ filled in the double-layer sheath tube 3.
上記構造の場合、熱銭めによる磁器管の固定状態の信頼
性不安と高温、冷熱振動環境における貴金属電不反線、
溶接部への応用集中により、断線や特性劣化の傾向があ
るという欠点を有していた。In the case of the above structure, there is concern about the reliability of the fixed state of the porcelain tube due to heat exchange, and the precious metal electric nonreflection wire in high temperature and cold vibration environments.
Due to the concentration of application on welded parts, it has the disadvantage of being prone to wire breakage and characteristic deterioration.
本発明は上記のような従来品における欠点を除去すべく
創案され／ζものであり、以下本発明の実施例について
第３図〜第５図を用いて説明する。The present invention was devised to eliminate the drawbacks of the conventional products as described above, and embodiments of the present invention will be described below with reference to FIGS. 3 to 5.
捷ず、図に示すように内、外周に耐熱電極１１を焼付け
た抵抗値が負の温度係数を持つ段イ」円筒状サーミスタ
素子１２を、内部に耐熱芯線１４と粉体１５を収納した
耐熱−芯シース管１３の先端（感熱側）に封じ込め、芯
線１４の溶融玉１６と耐熱金属ワッシャー１７を介して
耐熱シース管１３の円周鋏め１８によりサーミスタ素子
１２を固定したものに、スペーサ−１９を溶接またハ鋏
め２０により取付ける。そして、上記ユニノトヲ耐熱金
属ケース２１内に挿入し、スペーサー１９の上から耐熱
金属保護ケース２１を鋏め固定２２して構成されている
ものである。As shown in the figure, a heat-resistant cylindrical thermistor element 12 with a resistance value having a negative temperature coefficient and heat-resistant electrodes 11 baked on the inner and outer peripheries is housed inside a heat-resistant core wire 14 and powder 15. - The thermistor element 12 is sealed at the tip (heat-sensitive side) of the core sheath tube 13 and fixed by the circumferential scissors 18 of the heat resistant sheath tube 13 via the molten ball 16 of the core wire 14 and the heat resistant metal washer 17, and the spacer 19 is attached by welding or using scissors 20. Then, the unit is inserted into the heat-resistant metal case 21, and the heat-resistant metal protective case 21 is fixed with scissors 22 from above the spacer 19.
以上のように本発明は構成されているものであり、つぎ
の通りの効果を有する。The present invention is constructed as described above, and has the following effects.
（１）貴金属電極線を使用していない、二層シース管を
一、−？：、シース省に変更している、溶接エイ−′Ｉ
゛の省略等で低コスト、工程歩留の向上を実現すること
ができる。(1) A two-layer sheath tube that does not use noble metal electrode wires. :, changed to sheath saving, welding A-'I
By omitting ``, etc., it is possible to realize lower costs and an improvement in process yield.
（２）サーミスタ素子が中空状態で保持される従来構造
と異なり、サーミスタ素子がシース管と一体構造にな−
ているため、サーミスタ素子と電極に応力が加わること
なく、耐振、衝撃、冷熱振動等の耐久性に優れ、かつ電
極に応力が加わるととがないため、サーミスタ素子特性
が安定する。(2) Unlike the conventional structure in which the thermistor element is held in a hollow state, the thermistor element is integrated with the sheath tube.
Therefore, stress is not applied to the thermistor element and electrodes, and the thermistor element has excellent durability against vibrations, shocks, and cold vibrations, and does not warp when stress is applied to the electrodes, resulting in stable thermistor element characteristics.
（３）耐熱金属ワッシャーを使用することにより、素子
外周と７一ス管内面との導通性良化とシース管内局鋏め
応力がサーミスタ素子に集中せず、耐熱全屈ワッシャー
にて鋏め応力を吸収することができる。(3) By using a heat-resistant metal washer, the conductivity between the outer periphery of the element and the inner surface of the 7th tube is improved, and the local scissoring stress inside the sheath tube is not concentrated on the thermistor element. can be absorbed.
第１図は従来例における温度検出器の側断面図、第２図
は同面」熱金属ケースに挿入前のユニ７ ｔ・の側断面
図、第３図は本発明にかかる温度検出器の一実施例を示
す側断面図、第４図は同耐熱金属ケーヌに挿入前のユニ
ットのＩＩＩ断面図、第５図は同第４図Ａ部で示すサー
ミスタ周辺の拡大側断面図である。
１１・ −耐熱電極、１２・・・サーミスタ素子、１３
・・・・・耐熱−芯シース管、１４・・・・・耐熱芯線
、１７・・・耐熱金時ワッシャー、２１・・・・耐熱金
属ケース。Fig. 1 is a side sectional view of a conventional temperature sensor, Fig. 2 is a side sectional view of the temperature sensor before insertion into the thermal metal case, and Fig. 3 is a side sectional view of the temperature sensor according to the present invention. FIG. 4 is a side sectional view showing one embodiment, FIG. 4 is a III sectional view of the unit before insertion into the same heat-resistant metal cane, and FIG. 5 is an enlarged side sectional view of the thermistor periphery shown in section A of FIG. 4. 11. - heat resistant electrode, 12... thermistor element, 13
... Heat-resistant core sheath tube, 14 ... Heat-resistant core wire, 17 ... Heat-resistant metal washer, 21 ... Heat-resistant metal case.
Claims (1)
子を信号引き出し用の耐熱−芯シース管の感熱側端面に
埋込み、上記シース管の鋏め及び−芯線の溶融にょシ上
記サーミスタ素子を固定すると共に上記サーミスタ素子
外周と該シース管内面を耐熱電極及び耐熱金属ワッシャ
ーを介して一方の信号引き出し電極とし、他方の電極は
上記サーミスタ素子内周面と」二記サーミスタ素子内を
貫通した耐熱芯線を耐熱電極を介して信号を引き出す構
造を有するユニットを耐熱金属ケース内に収納した温度
検出器。A stepped cylindrical thermistor element whose resistance value has a negative temperature coefficient is embedded in the heat-sensitive end face of a heat-resistant core sheath tube for signal extraction, and when the sheath tube is clamped and the core wire is melted, the thermistor element is inserted. While fixing the thermistor element, the outer periphery of the thermistor element and the inner surface of the sheath tube are used as one signal extraction electrode via a heat-resistant electrode and a heat-resistant metal washer, and the other electrode is connected to the inner circumferential surface of the thermistor element and a heat-resistant electrode that penetrates through the inside of the thermistor element. A temperature sensor with a unit that extracts signals from a core wire through heat-resistant electrodes housed in a heat-resistant metal case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7610584A JPS59210333A (en) | 1984-04-16 | 1984-04-16 | Temperature detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7610584A JPS59210333A (en) | 1984-04-16 | 1984-04-16 | Temperature detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59210333A true JPS59210333A (en) | 1984-11-29 |
| JPS6155056B2 JPS6155056B2 (en) | 1986-11-26 |
Family
ID=13595604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7610584A Granted JPS59210333A (en) | 1984-04-16 | 1984-04-16 | Temperature detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59210333A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0546786A1 (en) * | 1991-12-10 | 1993-06-16 | Schlumberger Industries Limited | Thermocouples |
| EP1139081A1 (en) * | 2000-03-29 | 2001-10-04 | Heraeus Electro-Nite International N.V. | Sensor with a temperature dependent measuring element |
| WO2004052613A2 (en) | 2002-12-11 | 2004-06-24 | Priamus System Technologies Ag | Device for measuring, monitoring and/or controlling a temperature |
| FR3094247A1 (en) * | 2019-03-26 | 2020-10-02 | Société d'Assemblages par Faisceaux d'Electrons et Laser (SAFEL) | Crimping process by plastic deformation obtained by laser impacts |
-
1984
- 1984-04-16 JP JP7610584A patent/JPS59210333A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0546786A1 (en) * | 1991-12-10 | 1993-06-16 | Schlumberger Industries Limited | Thermocouples |
| EP1139081A1 (en) * | 2000-03-29 | 2001-10-04 | Heraeus Electro-Nite International N.V. | Sensor with a temperature dependent measuring element |
| US6462640B2 (en) | 2000-03-29 | 2002-10-08 | Heraeus Electro-Nite International N.V. | Sensor with a temperature-dependent measuring element |
| WO2004052613A2 (en) | 2002-12-11 | 2004-06-24 | Priamus System Technologies Ag | Device for measuring, monitoring and/or controlling a temperature |
| WO2004052613A3 (en) * | 2002-12-11 | 2004-10-07 | Priamus System Technologies Ag | Device for measuring, monitoring and/or controlling a temperature |
| FR3094247A1 (en) * | 2019-03-26 | 2020-10-02 | Société d'Assemblages par Faisceaux d'Electrons et Laser (SAFEL) | Crimping process by plastic deformation obtained by laser impacts |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6155056B2 (en) | 1986-11-26 |
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