JPS60185128A - Manufacture of thermal sensor - Google Patents
Manufacture of thermal sensorInfo
- Publication number
- JPS60185128A JPS60185128A JP4069584A JP4069584A JPS60185128A JP S60185128 A JPS60185128 A JP S60185128A JP 4069584 A JP4069584 A JP 4069584A JP 4069584 A JP4069584 A JP 4069584A JP S60185128 A JPS60185128 A JP S60185128A
- Authority
- JP
- Japan
- Prior art keywords
- sheath
- inorganic insulator
- cut
- vacant place
- glass powder
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000012212 insulator Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はサーモセンサーの製造方法に関するものである
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a thermosensor.
自動車の排気ガスによる大気の汚染を防止するためエン
ジンの燃焼室から排出される排気ガスを触媒コンバータ
等に導き、浄化してから大気に排出するようにされてい
る。この際、触媒コンバータの異常高温を検出するため
サーモセンサーが設けられる。高温の検出に゛は熱電対
やサーミスターを用いたものが使用されているが、これ
は検出信号が微弱なため増幅器により増幅せねばならず
、増幅器を必要とし高価なものとなっている。自動車の
ような大衆商品の構成部品は特に安価であることがめら
れ、最近、サーモセンサーに可溶融部月（ヒユーズ）を
用いたものが使用されている。In order to prevent air pollution caused by automobile exhaust gas, exhaust gas discharged from the engine's combustion chamber is guided to a catalytic converter or the like, where it is purified before being discharged into the atmosphere. At this time, a thermosensor is provided to detect abnormally high temperatures in the catalytic converter. Thermocouples and thermistors are used to detect high temperatures, but since the detection signal is weak, it must be amplified by an amplifier, which is expensive. Components of popular products such as automobiles are considered to be particularly inexpensive, and thermosensors using fusible fuses have recently been used.
再溶融部材を用いたサーモセンサーが使用されているが
、現在のところ製造工程が複雑で比較的高価なものとな
っている。そこで、本発明は大量生産に適し、安価にて
サーモセンサーを提供できる製造方法を開発したもので
ある。Thermosensors using remelted materials have been used, but the manufacturing process is currently complicated and relatively expensive. Therefore, the present invention has developed a manufacturing method that is suitable for mass production and can provide thermosensors at low cost.
本発明のサーモセンサーの製造方法は、第１図および第
２図に示すように、酸化マグネシウムＭｇＯ等の無機絶
縁体１を介在させて２本のリード線２を収容したシース
３を、全長にわたり絞搾し２所定の長さに切断する。次
に、第３図に示すように、シース３の一端部の無機絶縁
体１を所定量除去して空所４を形成する。その空所４の
リード線２端部が空所４の中間部に位置するようにその
一部を除去する。第４図に示すように切除したリード線
２端間に再溶融部材５（ヒユーズ）５を接続する。続い
て、第５図に示すように該可溶軸部材５部を覆うように
空所４にガラス粉末６を充填し加熱し溶融させ、空所４
先端部に酸化マグネシウムＭｇｏ等の無機絶縁体７を充
填する。次に、第６図に示すようにシース３の空所側先
端面を溶接８により閉蓋する。As shown in FIGS. 1 and 2, the method for manufacturing a thermosensor of the present invention involves a sheath 3 housing two lead wires 2 with an inorganic insulator 1 such as magnesium oxide MgO interposed therebetween over the entire length. Squeeze and cut into predetermined lengths. Next, as shown in FIG. 3, a predetermined amount of the inorganic insulator 1 at one end of the sheath 3 is removed to form a cavity 4. A portion of the lead wire 2 in the space 4 is removed so that the end portion of the lead wire 2 is located in the middle of the space 4. As shown in FIG. 4, a remelting member 5 (fuse) 5 is connected between the two ends of the cut lead wire. Subsequently, as shown in FIG. 5, glass powder 6 is filled into the space 4 so as to cover the fusible shaft member 5, heated and melted, and the space 4 is
The tip portion is filled with an inorganic insulator 7 such as magnesium oxide Mgo. Next, as shown in FIG. 6, the distal end surface of the sheath 3 on the cavity side is closed by welding 8.
本発明は、上述のように、無機絶縁体を介在させてリー
ド線を収容し絞搾したシースを予め製作しておき、それ
を所定の長さに切断して可溶融部相を後から接続するよ
うにしたものであるため、シースの量産加工が至極容易
で従来の絞搾したシースを使用しないで製作するサーモ
センサーに比して製造が簡単で安価に提供できる。した
がって、大量に使用される温度センサーとして最適であ
る。As described above, in the present invention, a sheath is produced in advance by accommodating and squeezing the lead wire with an inorganic insulator interposed therebetween, and the sheath is cut to a predetermined length and the fusible phase is connected later. Therefore, mass production of the sheath is extremely easy, and compared to conventional thermosensors that are manufactured without using a squeezed sheath, the thermosensor is easier to manufacture and can be provided at a lower cost. Therefore, it is most suitable as a temperature sensor used in large quantities.
第１図は本発明に使用するシースの縦断面図、第２図は
第１図の横断面図、第３図から第６図は本発明の製造工
程を示す縦断面図である。
１・・・無機絶縁体
２・・・リード線
３・・・シース
５・・・再溶融部材（ヒユーズ）
６・・・ガラス粉末
７・・・無ｔａ絶縁体
８・・・溶接
出願人 株式会社 岡 崎 製 作 所代理人 高 木
義 坏FIG. 1 is a longitudinal sectional view of a sheath used in the present invention, FIG. 2 is a cross-sectional view of FIG. 1, and FIGS. 3 to 6 are longitudinal sectional views showing the manufacturing process of the present invention. 1... Inorganic insulator 2... Lead wire 3... Sheath 5... Remelting member (fuse) 6... Glass powder 7... Ta-free insulator 8... Welding applicant stock Company: Okazaki Production Agent: Yoshimitsu Takagi
Claims (1)
したシースを所定長さに切断し、シース端部の無機絶縁
体を除去し、その空所のリード線端部が空所の中間に位
置するようにその一部を切除し、切除したリード線端部
に再溶融部材を接続し、該再溶融部材部を覆うように空
所にガラス粉末を充填し加熱溶融させ、空所先端部に無
機絶縁体を充填し、シースの空所側先端面を溶接により
閉蓋するようにしたサーモセンつ・−の製造方法(11) Cut the sheath into a predetermined length by accommodating and squeezing the lead wire with a ta-free insulator, and remove the inorganic insulator at the end of the sheath. A part of the lead wire is cut out so as to be located in the middle, a remelting member is connected to the cut end of the lead wire, and a glass powder is filled in the void so as to cover the remelting member and heated and melted to form the void. A method for manufacturing a thermosensor in which the tip is filled with an inorganic insulator and the tip surface on the cavity side of the sheath is closed by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4069584A JPS60185128A (en) | 1984-03-02 | 1984-03-02 | Manufacture of thermal sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4069584A JPS60185128A (en) | 1984-03-02 | 1984-03-02 | Manufacture of thermal sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60185128A true JPS60185128A (en) | 1985-09-20 |
Family
ID=12587686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4069584A Pending JPS60185128A (en) | 1984-03-02 | 1984-03-02 | Manufacture of thermal sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60185128A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187928A (en) * | 1992-01-16 | 1993-07-27 | Okazaki Seisakusho:Kk | Normally-closed thermo-sensor and its manufacture |
| JP2009115478A (en) * | 2007-11-02 | 2009-05-28 | Mitsubishi Heavy Ind Ltd | Quick-response thermocouple for high-speed fluid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57133328A (en) * | 1981-02-10 | 1982-08-18 | Ngk Spark Plug Co Ltd | Fuse plug |
-
1984
- 1984-03-02 JP JP4069584A patent/JPS60185128A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57133328A (en) * | 1981-02-10 | 1982-08-18 | Ngk Spark Plug Co Ltd | Fuse plug |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187928A (en) * | 1992-01-16 | 1993-07-27 | Okazaki Seisakusho:Kk | Normally-closed thermo-sensor and its manufacture |
| JPH0797051B2 (en) * | 1992-01-16 | 1995-10-18 | 株式会社岡崎製作所 | Normally closed thermosensor and manufacturing method thereof |
| JP2009115478A (en) * | 2007-11-02 | 2009-05-28 | Mitsubishi Heavy Ind Ltd | Quick-response thermocouple for high-speed fluid |
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