JPS62237690A - Panel heating unit - Google Patents
Panel heating unitInfo
- Publication number
- JPS62237690A JPS62237690A JP7975186A JP7975186A JPS62237690A JP S62237690 A JPS62237690 A JP S62237690A JP 7975186 A JP7975186 A JP 7975186A JP 7975186 A JP7975186 A JP 7975186A JP S62237690 A JPS62237690 A JP S62237690A
- Authority
- JP
- Japan
- Prior art keywords
- heating resistor
- heating element
- coating film
- heating unit
- metal foil
- 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
- 238000010438 heat treatment Methods 0.000 title claims description 31
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 239000003973 paint Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 6
- 239000011888 foil Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920006038 crystalline resin Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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、冷蔵庫、冷凍庫等の冷却器の除霜用等に用い
る面状発熱体に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a sheet heating element used for defrosting coolers such as refrigerators and freezers.
従来の技術
従来例を第４図、第６図、第６図を参考に説明する。従
来は、第４図、第５図、第６図に示すように、絶縁基板
１上に、帯状の金属箔２を接着して対向電極を形成し、
その後、例えば、カーボン粒子を結晶性樹脂に分散させ
た、発熱抵抗体用の導電性塗料を塗布し、かつ乾燥させ
て発熱抵抗体１ 塗膜３を形成することにより面状発
熱体を構成していた。Prior Art A conventional example will be explained with reference to FIGS. 4, 6, and 6. Conventionally, as shown in FIGS. 4, 5, and 6, a band-shaped metal foil 2 is bonded onto an insulating substrate 1 to form a counter electrode.
Thereafter, for example, a conductive paint for a heating resistor in which carbon particles are dispersed in a crystalline resin is applied and dried to form a heating resistor 1 and a coating film 3 to form a planar heating element. was.
発明が解決しようとする問題点
しかしながら、この場合は、前記発熱抵抗体用の導電性
塗料がカーボン粒子を結晶性樹脂に分散させた塗料等で
は、塗膜形成後の電気特性か、比較的低抵抗でかつある
特定の正の抵抗温度係数を有するように設定するために
は、導電性塗料を塗布した後の工程で、約２００°Ｃに
近い温度を必要とする。ところが、この温度で乾燥を行
なった場合は、金属箔２の熱歪みや、金属箔２の接着剤
の吹き出し等が生じ、その結果、金属箔２の端面部で、
発熱抵抗体塗膜３に断線現象又は亀裂現象４が発生する
場合があり、ヒータとしての信頼性に欠けるものであっ
た。Problems to be Solved by the Invention However, in this case, if the conductive paint for the heating resistor is a paint in which carbon particles are dispersed in a crystalline resin, the electrical properties after the coating film is formed are relatively low. In order to set the resistor to have a certain positive temperature coefficient of resistance, a temperature close to about 200° C. is required in the process after applying the conductive paint. However, when drying is carried out at this temperature, thermal distortion of the metal foil 2 and blown-out of the adhesive on the metal foil 2 occur, and as a result, the edges of the metal foil 2 are
A disconnection phenomenon or a cracking phenomenon 4 may occur in the heat generating resistor coating 3, resulting in a lack of reliability as a heater.
本発明は、上記欠点を解消し、信頼性の高い面状発熱体
を提供するものである。The present invention solves the above-mentioned drawbacks and provides a highly reliable planar heating element.
問題点を解決するだめの手段
この目的を達成するために、本発明は、絶縁基板上に発
熱体塗膜を形成した後、電極となる帯状の金属箔を導電
性接着剤等導電性樹脂を介して発熱体塗膜上に接着し、
面状発熱体を構成したものである。Means to Solve the Problems In order to achieve this object, the present invention involves forming a heating element coating on an insulating substrate, and then applying a conductive resin such as a conductive adhesive to the strip-shaped metal foil that will become the electrode. Glue onto the heating element coating through
This is a planar heating element.
作 用
本発明は、上記した構成によシ、従来の欠点である発熱
抵抗体塗膜形成時の乾燥工程における熱により生じる金
属箔の熱歪みや金属箔の接着剤の吹き出しが解消され、
その結果、発熱抵抗体塗膜の断線現象、又は亀裂現象が
無くなり、面状発熱体の信頼性が、大巾に改善されるも
のである。Effects of the present invention Due to the above-described configuration, the conventional drawbacks such as thermal distortion of the metal foil and blow-out of the adhesive on the metal foil caused by heat in the drying process during the formation of the heating resistor coating film are eliminated.
As a result, disconnection or cracking of the heating resistor coating is eliminated, and the reliability of the planar heating element is greatly improved.
実゛施例
以下、本発明の一実施例を、第１図〜第３図に従って説
明する。すなわち第１図、第２図、第３図に示すように
、絶縁基板５の表面上に発熱抵抗体用の導電性塗料を塗
布し、かつ乾燥させて発熱抵抗体塗膜６ｔ−形成し、そ
の発熱抵抗体塗膜６の表面上に電極となる一対以上の帯
状電極となる金属箔７を、導電性接着剤等の導電性樹脂
８を介して接着し、面状発熱体を構成したものである。Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. That is, as shown in FIGS. 1, 2, and 3, a conductive paint for a heating resistor is applied on the surface of an insulating substrate 5 and dried to form a heating resistor coating 6t. A planar heating element is constructed by bonding on the surface of the heating resistor coating 6 a pair or more of metal foils 7 serving as electrodes via a conductive resin 8 such as a conductive adhesive. It is.
尚、前記導電性樹脂８は、樹脂中にカーボンや金属粒子
等を分散させた複合材料でも可能である。The conductive resin 8 may also be a composite material in which carbon, metal particles, etc. are dispersed in the resin.
このように、発熱抵抗体を形成した後に、導電性樹脂８
を介し帯状電極を接着するため、発熱抵抗体用の導電性
塗料を乾燥する工程での帯状電極に対する熱影響がなく
、従って、帯状電極端部の断線現象や亀裂現象が無くな
り、信頼性の高い面状発熱体を提供することができる。In this way, after forming the heating resistor, the conductive resin 8
Since the strip electrode is bonded through the wire, there is no heat effect on the strip electrode during the process of drying the conductive paint for the heating resistor, and therefore there is no disconnection or cracking at the end of the strip electrode, resulting in high reliability. A planar heating element can be provided.
発明の効果
以上の説明より明らかなように、本発明によると、絶縁
基板の表面上に発熱抵抗体用塗料を塗布して発熱抵抗体
塗膜を形成し、この発熱抵抗体塗膜の表面上に一対以上
の帯状電極を導電性樹脂を介し接着するという構成によ
り、発熱抵抗体用の導電性塗料の乾燥工程における熱が
、帯状電極に影響することが無く、帯状電極端部の断線
現象や亀裂現象が発生することが無くなり、信頼性の高
い面状発熱体を提供することができる。Effects of the Invention As is clear from the above explanation, according to the present invention, a heating resistor paint is applied on the surface of an insulating substrate to form a heating resistor coating film, and a heating resistor coating film is formed on the surface of the heating resistor coating film. By bonding at least one pair of strip-shaped electrodes through a conductive resin, the heat during the drying process of the conductive paint for the heating resistor does not affect the strip-shaped electrodes, preventing disconnection of the ends of the strip-shaped electrodes. A highly reliable planar heating element can be provided without the occurrence of cracking phenomena.
第１図は本発明の一実施例における面状発熱体発熱体の
上面図、第５図は同第４図の断面図、第６図は同第４図
の要部拡大断面図である。
５・・・・・・絶縁基板、６・・・・・・発熱抵抗体塗
膜、７・・・・・・帯状の金属箔、８・・・・・・導電
性樹脂。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名５−
尼繕羞坂
６− 児舛抵抗体墨狭
第２図
第３図FIG. 1 is a top view of a planar heating element according to an embodiment of the present invention, FIG. 5 is a sectional view of FIG. 4, and FIG. 6 is an enlarged sectional view of a main part of FIG. 4. 5... Insulating substrate, 6... Heat generating resistor coating, 7... Band-shaped metal foil, 8... Conductive resin. Name of agent: Patent attorney Toshio Nakao and 1 other person5-
Ni-keishizaka 6 - Komasu Resistance Body Bokusa Figure 2 Figure 3
Claims (1)
抗体塗膜を形成し、前記発熱抵抗体塗膜上に、一対以上
の帯状電極を導電性樹脂を介して接着したことを特徴と
する面状発熱体。A heating resistor coating film is formed by applying a heating resistor paint on the surface of an insulating substrate, and one or more pairs of strip electrodes are adhered to the heating resistor coating film via a conductive resin. A planar heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7975186A JPS62237690A (en) | 1986-04-07 | 1986-04-07 | Panel heating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7975186A JPS62237690A (en) | 1986-04-07 | 1986-04-07 | Panel heating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62237690A true JPS62237690A (en) | 1987-10-17 |
Family
ID=13698927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7975186A Pending JPS62237690A (en) | 1986-04-07 | 1986-04-07 | Panel heating unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62237690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015189890A1 (en) * | 2014-06-09 | 2015-12-17 | 美津子 馬場 | Heat generating body |
-
1986
- 1986-04-07 JP JP7975186A patent/JPS62237690A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015189890A1 (en) * | 2014-06-09 | 2015-12-17 | 美津子 馬場 | Heat generating body |
| JPWO2015189890A1 (en) * | 2014-06-09 | 2017-04-20 | 美津子 馬場 | Heating element |
| US10149349B2 (en) | 2014-06-09 | 2018-12-04 | Mitsuko BABA | Heat generating body |
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