JPS61185883A - Spiral type heat generating body - Google Patents
Spiral type heat generating bodyInfo
- Publication number
- JPS61185883A JPS61185883A JP2699185A JP2699185A JPS61185883A JP S61185883 A JPS61185883 A JP S61185883A JP 2699185 A JP2699185 A JP 2699185A JP 2699185 A JP2699185 A JP 2699185A JP S61185883 A JPS61185883 A JP S61185883A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- heating element
- spiral
- terminals
- spiral type
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は螺線状の電流流路を有するスパイラル型発熱体
の端子の改良に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an improvement in a terminal for a spiral heating element having a spiral current flow path.
従来のスパイラル型発熱体を第３図及び第４図を参照し
て説明する。第３図及び第４図においは、その一端の２
箇所からそれぞれ一端側の部分で本体１の長手方向に沿
い、本体ｌ中央部から他端側までの部分で！ｌ！ｌｊ線
状をなすような２本の溝２．２が切込まれている。この
本体ｌは一端側の溝２．２に例えばアルミナ製のスペー
サ３．３を挟持した後１本体ｌの一部を例えばアルミナ
製の半円弧状の締付治具４．４ではさみ、その外周に金
属ベルト５を巻付けることにより締付けられる。また、
前記スペーサ３，３が挟持されている本体ｌの一端側の
外周には例えばステンレス製の半円弧状の端子金具６１
．６□が取付けられ、これら端子金具６１，６２はスペ
ーサ３．３を貫通するポルト７．７とナツト８．８によ
って固定されている。前記端子金具６１．６２にはそれ
ぞれリード線９１．９２が接続される。A conventional spiral heating element will be explained with reference to FIGS. 3 and 4. The odor in Figures 3 and 4 is 2 at one end.
Along the longitudinal direction of the main body 1 from each point on one end side, and from the center of the main body l to the other end side! l! Two linear grooves 2.2 are cut. This main body 1 is made by sandwiching a spacer 3.3 made of, for example, alumina in a groove 2.2 on one end side, and then sandwiching a part of the main body 1 with a semicircular arc-shaped tightening jig 4.4 made of, for example, alumina. It is tightened by wrapping a metal belt 5 around the outer circumference. Also,
A semicircular arc-shaped terminal fitting 61 made of stainless steel, for example, is provided on the outer periphery of one end side of the main body l where the spacers 3, 3 are sandwiched.
．． 6□ is attached, and these terminal fittings 61, 62 are fixed by a port 7.7 and a nut 8.8 passing through the spacer 3.3. Lead wires 91 and 92 are connected to the terminal fittings 61 and 62, respectively.
上記スパイラル型発熱体では、電流はリード線９８、端
子金具６□、本体１、端子金具６２、リード線９２の経
路を通過するが、本体ｌが高抵抗のＳｉＣからなり、螺
線状の長い電流流路を有〔背景技術の問題点〕
しかし、従来のスパイラル型発熱体の端子構造では、長
時間使用するうちにＳｉＣからなる本体１とステンレス
からなる端子金具６１．６２との熱膨張係数の違いから
両者の間に間隙が生じて接触抵抗が大きくなり、本体ｌ
へ電流が流れにくくなって発熱不良を起す原因となって
いた。In the spiral heating element described above, the current passes through the path of the lead wire 98, the terminal fitting 6□, the main body 1, the terminal fitting 62, and the lead wire 92, but the main body 1 is made of high resistance SiC and has a long spiral shape. [Problem in background technology] However, in the terminal structure of the conventional spiral heating element, the coefficient of thermal expansion between the main body 1 made of SiC and the terminal fitting 61 made of stainless steel changes over a long period of time. Due to the difference in
This made it difficult for current to flow to the capacitors, causing heat generation defects.
本発明は上記欠点を解消するためになされたものであり
、端子構造を変えることにより、長時間使用しても発熱
不良を生じないスパイラル型発熱体を提供しようとする
ものである。The present invention has been made in order to eliminate the above-mentioned drawbacks, and aims to provide a spiral type heating element that does not cause heating defects even when used for a long time by changing the terminal structure.
本発明のスパイラル型発熱体は、一端側で２本の溝によ
って分離されている本体の２つの部分にそれぞれ本体と
ほぼ同一の熱膨張係数を有する材質からなる端子を取付
け、これら端子の先端に端ｆ金具を設けたことを特徴と
するものである。In the spiral heating element of the present invention, terminals made of a material having almost the same coefficient of thermal expansion as the main body are attached to two parts of the main body separated by two grooves on one end side, and the tips of these terminals are attached to two parts of the main body separated by two grooves on one end side. It is characterized in that a metal fitting is provided at the end.
このようなスパイラル型発熱体によれば、端子金具が本
体から離れているので、熱伝導によって端子金具がゆる
むことが少なく、接触抵抗の増大による発熱不良を低減
することができる。According to such a spiral heating element, since the terminal fittings are separated from the main body, the terminal fittings are less likely to loosen due to heat conduction, and it is possible to reduce heating defects due to increased contact resistance.
以下゛、本発明の実施例を第１図及び第２図を参照して
説明する。Embodiments of the present invention will be described below with reference to FIGS. 1 and 2.
第１図及び第２図において１例えばＳｉＣからなる中空
円筒状の本体１１には、その一端の２箇所からそれぞれ
一端側の部分で本体１１の長手方向に沿い本体１１中央
部から他端側までの部分で螺線状をなすような２本の溝
１２．１２が切込まれている。この本体１１は一端側の
溝１２．１２に例えばアルミナ製のスペーサ１３を挟持
した後、本体１１の一部を例えばアルミナ製の半円弧状
の締付治具１４．１４ではさみ、その外周に金属ベルト
１５を巻付けることにより締付けられる。また１本体１
１の一端側の溝１２．１２及び１４１２．１２に挟持さ
れたスペーサ１３によって分離された２つの部分にはそ
れぞれ端子１６１．１６２が取付けられている。これら
端子１６１゜１６２はＳｉ含含浸Ｓｉ線棒らなり、本体
１１に開孔された孔に挿入し、Ｓｔを含む接着ペースト
１７により接着含浸したものである。更９、。れら端子
１６１．１６２の先端にはそれぞれ端子金具１８□、１
８□がポルト１９．１９及び図示しないナツトにより取
付けられ、これら端子金具１８、．１８２ニハ！Ｊ−ド
線２０．．２ｏ２が接続されている。In FIGS. 1 and 2, a hollow cylindrical main body 11 made of SiC, for example, has two parts at one end extending along the longitudinal direction of the main body 11 from the center of the main body 11 to the other end. Two spiral grooves 12 and 12 are cut in the portion. This main body 11 is made by sandwiching a spacer 13 made of, for example, alumina in a groove 12.12 on one end side, and then sandwiching a part of the main body 11 with a semicircular arc-shaped tightening jig 14.14 made of, for example, alumina. It is tightened by wrapping a metal belt 15 around it. Also 1 body 1
Terminals 161 and 162 are respectively attached to two portions separated by a spacer 13 sandwiched between grooves 12.12 and 1412.12 on one end side of 1. These terminals 161 and 162 are made of Si-impregnated Si wire rods, inserted into holes made in the main body 11, and adhesively impregnated with an adhesive paste 17 containing St. Further 9. Terminal fittings 18□ and 1 are attached to the tips of these terminals 161 and 162, respectively.
8□ are attached by ports 19, 19 and nuts (not shown), and these terminal fittings 18, . 182 Niha! J-Do line 20. ．． 2o2 is connected.
このようなスパイラル型発熱体によれば、端子金具１８
．．１８２が端子１６１．１６２の先端に取付けられて
本体１１から離れているので、長時間使用しても熱伝導
によって端子金具１８．．１８２がゆるむことが少なく
、接触抵抗の増大による発熱不良を低減することができ
る。According to such a spiral heating element, the terminal fitting 18
．． ．． 182 is attached to the tips of the terminals 161 and 162 and is away from the main body 11, so even if used for a long time, the terminal fittings 18. ．． 182 is less likely to loosen, and heat generation defects due to increased contact resistance can be reduced.
なお、上記実施例ではスパイラル型発熱体の本体の材質
を５ｉＣ１端子の材質をＳｉ含浸Ｓｉ０杯としたが、こ
れらは他の材質でもよく、両者の熱膨張係数がほぼ同一
のものであればよい。In the above embodiment, the material of the main body of the spiral heating element is 5i, and the material of the terminal is Si impregnated with Si0, but these may be made of other materials as long as they have approximately the same coefficient of thermal expansion. .
以上詳述した如く本発明によれば１発熱不良を起スこと
なく長時間使用できるスパイラル型発熱体を提供できる
ものである。As described in detail above, according to the present invention, it is possible to provide a spiral heating element that can be used for a long time without causing any heating defects.
第１図は本発明の実施例におけるスパイラル型発熱体の
正面図、第２図は第１図のｎ−ｎ’線に沿う断面図、第
３図は従来のスパイラル型発熱体の正面図、第４図は第
３図のｒＶ−ｒＶ ’線に沿う断面図である。
ｌｌ・・・発熱体本体、１２・・・溝、１３・・・スペ
ーサ、１４・・・締付治具、１５・・・金属ベルト、１
６１．１６□・・・端子、１７・・・接着ペースト、１
８１．１８２・・・端子金具、１９・・・ボルト、２０
・１．２０２・・・リード線。
出願人代理人 弁理士 鈴江 武彦
第１図
■
第３図
■FIG. 1 is a front view of a spiral heating element according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line nn' in FIG. 1, and FIG. 3 is a front view of a conventional spiral heating element. FIG. 4 is a sectional view taken along the line rV-rV' in FIG. 3. ll... Heating element body, 12... Groove, 13... Spacer, 14... Tightening jig, 15... Metal belt, 1
61.16□...Terminal, 17...Adhesive paste, 1
81.182...Terminal fitting, 19...Bolt, 20
・1.202...Lead wire. Applicant's agent Patent attorney Takehiko Suzue Figure 1■ Figure 3■
Claims (1)
それぞれ部分的に螺線状をなすように２本の溝を切込ん
だ本体を有するスパイラル型発熱体において、一端側で
２本の溝によって分離されている本体の２つの部分にそ
れぞれ本体とほぼ同一の熱膨張係数を有する材質からな
る端子を取付け、これら端子の先端に端子金具を設けた
ことを特徴とするスパイラル型発熱体。In a spiral type heating element, the main body is made of a cylindrical non-metallic hollow tube, and has two grooves partially cut in a spiral shape from two places on one end of the body. A spiral heating element characterized in that terminals made of a material having approximately the same coefficient of thermal expansion as the main body are attached to two parts of the main body separated by a groove, and terminal fittings are provided at the tips of these terminals. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60026991A JPH0612691B2 (en) | 1985-02-14 | 1985-02-14 | Spiral heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60026991A JPH0612691B2 (en) | 1985-02-14 | 1985-02-14 | Spiral heating element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61185883A true JPS61185883A (en) | 1986-08-19 |
| JPH0612691B2 JPH0612691B2 (en) | 1994-02-16 |
Family
ID=12208622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60026991A Expired - Fee Related JPH0612691B2 (en) | 1985-02-14 | 1985-02-14 | Spiral heating element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0612691B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017079149A (en) * | 2015-10-20 | 2017-04-27 | 日本重化学工業株式会社 | Immersion heater |
| JP2022543720A (en) * | 2020-07-17 | 2022-10-14 | 恵州市沛格斯科技有限公司 | Exothermic module and smoke generator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487950A (en) * | 1977-12-24 | 1979-07-12 | Tokai Konetsu Kogyo Kk | Linear or banddshaped carbonized silicon heater |
| JPS5835291U (en) * | 1981-09-01 | 1983-03-08 | 東芝セラミツクス株式会社 | Heating element mounting device |
-
1985
- 1985-02-14 JP JP60026991A patent/JPH0612691B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487950A (en) * | 1977-12-24 | 1979-07-12 | Tokai Konetsu Kogyo Kk | Linear or banddshaped carbonized silicon heater |
| JPS5835291U (en) * | 1981-09-01 | 1983-03-08 | 東芝セラミツクス株式会社 | Heating element mounting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017079149A (en) * | 2015-10-20 | 2017-04-27 | 日本重化学工業株式会社 | Immersion heater |
| JP2022543720A (en) * | 2020-07-17 | 2022-10-14 | 恵州市沛格斯科技有限公司 | Exothermic module and smoke generator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0612691B2 (en) | 1994-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |