JPS61151988A - Heat generator - Google Patents
Heat generatorInfo
- Publication number
- JPS61151988A JPS61151988A JP27714984A JP27714984A JPS61151988A JP S61151988 A JPS61151988 A JP S61151988A JP 27714984 A JP27714984 A JP 27714984A JP 27714984 A JP27714984 A JP 27714984A JP S61151988 A JPS61151988 A JP S61151988A
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- heat generating
- electrodes
- generating device
- insulating layer
- 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
Landscapes
- Resistance Heating (AREA)
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】
産業上の利用分野
本発明は正抵抗温度係数を有する発熱体に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a heating element having a positive temperature coefficient of resistance.
従来の技術
従来のこの種の発熱体は、第７図、第８図に示すように
、電極２間に発熱体１で構成されており。2. Description of the Related Art A conventional heating element of this type is comprised of a heating element 1 between two electrodes, as shown in FIGS. 7 and 8.
第７図、第８図のいずれも、電極面から圧力（机の足等
）が加わると発熱体１が変形して１両電極が接触する恐
れがあった。（特公昭４４−７９７２号公報、実開昭５
９−１２５０９０号公報）。In both FIGS. 7 and 8, when pressure (such as from a desk leg) is applied from the electrode surface, the heating element 1 deforms and there is a risk that one and both electrodes may come into contact with each other. (Special Publication No. 44-7972, Utility Model Publication No. 5
9-125090).
発明が解決しようとする問題点
しかしながら上記のような構成では、発熱体の電極に外
圧が加わると電極が接解するという問題点を有していた
。Problems to be Solved by the Invention However, the above configuration has a problem in that when external pressure is applied to the electrodes of the heating element, the electrodes come into contact.
本発明はかかる従来の問題を解消するもので樹脂本来の
クリープによる電極の接触を解消するもので安全性の向
上を目的とする。The present invention solves such conventional problems and aims to improve safety by eliminating contact between electrodes due to creep inherent in the resin.
問題点を解決するための手段
上記問題点を解決するために本発明の発熱体に、発熱体
よりも融点が高い樹脂繊維又は植物性繊維の網又は糸を
挿入した構成によって、電極間に外圧が加わっても電極
の接触を防ぐという構成を備えたものである。Means for Solving the Problems In order to solve the above problems, the heating element of the present invention has a structure in which a net or thread made of resin fibers or vegetable fibers having a higher melting point than the heating element is inserted, so that the external pressure can be reduced between the electrodes. It has a structure that prevents the electrodes from coming into contact even if
作用
本発明は上記した構成によって１発熱体に挿入した網又
は糸が電極の接触を防ぐことになるのである。Function: According to the present invention, the above-described structure prevents the mesh or thread inserted into one heating element from coming into contact with the electrodes.
実施例
以下、本発明の一実施例を添付図面にもとづいて説明す
る。Embodiment Hereinafter, one embodiment of the present invention will be described based on the accompanying drawings.
第１図〜第３図において％１は面状ヒータの発熱体で、
２は電極、３は被覆カバー、４は網又は糸の絶縁層であ
る。この発熱体１に、網又は糸の絶縁層４を挿入した構
成としている。なお４は網状（第２図）、又は糸を平行
にしたもの（第３図）でも良い。In Figures 1 to 3, %1 is the heating element of the sheet heater,
2 is an electrode, 3 is a covering cover, and 4 is an insulating layer of mesh or thread. This heating element 1 has a structure in which an insulating layer 4 of a net or thread is inserted. Note that 4 may have a net shape (FIG. 2) or one made of parallel threads (FIG. 3).
上記構成において発熱体の変形（クリープ性）が起って
も網又は糸の絶縁層が電極間で接近を防止し短落防止の
効果がある。In the above structure, even if the heating element is deformed (creep property), the insulating layer of the net or thread prevents the electrodes from coming close to each other, and has the effect of preventing the electrodes from falling short.
次に本発明の他の実施例を第４図〜第６図を用いて説明
する。第４図において前記実施例と相違する点は紐状に
構成したヒータである。紐状発熱体に絶縁層を挿入した
もので発熱体１に挿入する絶縁層４として袋状網（第５
図）、巻いたのも（第６図）、又は発熱体に平行に配置
したもの（第４図）を用いるものである。この構成によ
れば、外部からの加圧によっても、外周電極２ａと内部
中心電極２ｂの接触を防止するという効果がある。Next, another embodiment of the present invention will be described using FIGS. 4 to 6. In FIG. 4, the difference from the previous embodiment is that the heater is constructed in the form of a string. An insulating layer is inserted into a string-like heating element, and the insulating layer 4 inserted into the heating element 1 is a bag-like mesh (the fifth
(Fig. 6), a rolled one (Fig. 6), or one arranged parallel to the heating element (Fig. 4). This configuration has the effect of preventing contact between the outer peripheral electrode 2a and the inner center electrode 2b even when pressure is applied from the outside.
発明の効果
以上のように本発明の正抵抗温度係数を有する発熱体に
よれば次の効果が得られる。Effects of the Invention As described above, the heating element having a positive temperature coefficient of resistance of the present invention provides the following effects.
（１） 網又は糸を１層又は複数の絶縁層として発熱
体中に挿入しているので短落防止の効果がある。(1) Since the net or thread is inserted as one or more insulating layers into the heating element, it is effective in preventing shortening.
（巧 網又は糸を１層又は複数の絶縁層として発熱体中
に挿入しているので引張強度、折曲げ強度が向上する効
果がある。(Takumi) Since one or more insulating layers of mesh or thread are inserted into the heating element, the tensile strength and bending strength are improved.
第１図は本発明の第１実施例における面状発熱体の斜視
図、第２図、第３図はそれぞれ絶縁層の斜視図、第４図
は、第２の実施例における紐状発熱体の斜視図、第６図
、第６図はそれぞれ絶縁層の斜視図、第７図、第８図は
従来の面状発熱体及び紐状発熱体の斜視図である。
１・・・・・・発熱体、２・・・・・・電極、３・・・
・・・被服カバー。
４・・・・・・絶縁層。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図
第２図
第３図
第４図
第５図
第６図
第７図
ｔ、、、 ＊ ＠ ｎ
２・・・を楊
３・・・滅服カバ°−
４１０，絶線層
第８図FIG. 1 is a perspective view of a planar heating element in a first embodiment of the present invention, FIGS. 2 and 3 are perspective views of an insulating layer, and FIG. 4 is a string-shaped heating element in a second embodiment. FIGS. 6 and 6 are perspective views of an insulating layer, respectively, and FIGS. 7 and 8 are perspective views of a conventional sheet heating element and a string heating element. 1... Heating element, 2... Electrode, 3...
...Clothing cover. 4...Insulating layer. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7
Claims (4)
網状又は糸状の１層又は複数の絶縁層入れたことを特徴
とする発熱装置。(1) A heat generating device characterized in that one or more net-like or thread-like insulating layers are inserted into a heat generating element in which a conductive material is mixed with a crystalline resin.
たは植物性繊維を用いたことを特徴とする特許請求の範
囲第１項記載の発熱装置。(2) The heat generating device according to claim 1, characterized in that the insulating layer is made of resin fiber or vegetable fiber having a higher melting point than the heat generating element.
のものを用いてなる特許請求の範囲第１項記載の発熱装
置。(3) The heat generating device according to claim 1, which uses a sheet-like body integrally having electrodes on both sides as the heat generating body.
あるいは円柱状のものを用いてなる特許請求の範囲第１
項記載の発熱装置。(4) Claim 1 in which a prismatic or cylindrical body with electrodes provided at the center and periphery is used as the heating element.
Heat-generating device as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27714984A JPS61151988A (en) | 1984-12-24 | 1984-12-24 | Heat generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27714984A JPS61151988A (en) | 1984-12-24 | 1984-12-24 | Heat generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61151988A true JPS61151988A (en) | 1986-07-10 |
Family
ID=17579480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27714984A Pending JPS61151988A (en) | 1984-12-24 | 1984-12-24 | Heat generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61151988A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361799U (en) * | 1986-10-14 | 1988-04-23 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5598491A (en) * | 1979-01-20 | 1980-07-26 | Matsushita Electric Ind Co Ltd | Heating element |
| JPS5727693B2 (en) * | 1977-09-28 | 1982-06-11 | ||
| JPS58212089A (en) * | 1982-06-01 | 1983-12-09 | 日立電線株式会社 | Self-temperature controllable heater |
| JPS58220377A (en) * | 1982-06-15 | 1983-12-21 | カネボウ株式会社 | Linear heater |
-
1984
- 1984-12-24 JP JP27714984A patent/JPS61151988A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5727693B2 (en) * | 1977-09-28 | 1982-06-11 | ||
| JPS5598491A (en) * | 1979-01-20 | 1980-07-26 | Matsushita Electric Ind Co Ltd | Heating element |
| JPS58212089A (en) * | 1982-06-01 | 1983-12-09 | 日立電線株式会社 | Self-temperature controllable heater |
| JPS58220377A (en) * | 1982-06-15 | 1983-12-21 | カネボウ株式会社 | Linear heater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6361799U (en) * | 1986-10-14 | 1988-04-23 |
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