JPH07153552A - Ptc heater unit - Google Patents
Ptc heater unitInfo
- Publication number
- JPH07153552A JPH07153552A JP29985693A JP29985693A JPH07153552A JP H07153552 A JPH07153552 A JP H07153552A JP 29985693 A JP29985693 A JP 29985693A JP 29985693 A JP29985693 A JP 29985693A JP H07153552 A JPH07153552 A JP H07153552A
- Authority
- JP
- Japan
- Prior art keywords
- ptc
- ptc heater
- solder
- heat
- heater
- 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.)
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- Resistance Heating (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、比較的低温度で使用す
る暖房器用等のＰＴＣヒータによる発熱装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat generating device using a PTC heater for a heater used at a relatively low temperature.
【０００２】[0002]
【従来の技術】従来、暖房器等に使用する発熱装置にお
いて、例えば特公昭６３−１０８７３号公報に記載され
ているように、ＰＴＣヒータを暖房器等に使用すると
き、ＰＴＣヒータ素子の電極と電源を供給する電極材と
の電気的接触部は、発熱温度が高いため機械的圧力によ
って接触させていた。したがって、発熱装置全体を防湿
気密等の構造にするために、後で硬化あるいは半硬化す
る液状絶縁性樹脂を真空含浸で充填したとき、前記電気
的接触部に当該液状絶縁性樹脂が入り込み、電気的接触
が保てなくなるおそれがある。2. Description of the Related Art Conventionally, in a heat generating device used for a heater or the like, when a PTC heater is used for a heater or the like as described in, for example, Japanese Patent Publication No. 63-10873, the electrodes of the PTC heater element are not used. Since the heat generation temperature is high, the electrical contact portion with the electrode material that supplies the power source is brought into contact by mechanical pressure. Therefore, when a liquid insulating resin that is cured or semi-cured later is filled by vacuum impregnation in order to make the entire heat generating device have a moisture-proof and dense structure, the liquid insulating resin enters into the electrical contact portion, and Physical contact may not be maintained.
【０００３】その他の従来例としては、実公昭５４−２
４３５７号公報及び実公昭５４−２１７８６号公報等に
記載されているような構造のＰＴＣヒータによる発熱装
置が一般に知られている。Another example of the prior art is Jitsuko 54-2.
A heat generating device using a PTC heater having a structure as described in Japanese Patent No. 4357 and Japanese Utility Model Publication No. 54-21786 is generally known.
【０００４】[0004]
【発明が解決しようとする課題】従来のＰＴＣヒータに
よる発熱装置は、例えば実開平４−１１９９８９号公報
のように防湿気密機能が無いため、高湿状態雰囲気中の
床下に設置する床暖房用発熱装置には適していなかっ
た。また、これを解決するため、例えば実公昭６３−７
２８８５号公報及び実公昭４５−３２２０２号公報のよ
うに、非防湿気密機能のＰＴＣヒータを形状の大きいパ
ネル状筐体に取付けた後、全体を防湿気密加工をする
と、その加工コストが高価となり実現性が乏しい。Since the conventional PTC heater-based heat generating device does not have a moisture-proof and dense function as disclosed in, for example, Japanese Utility Model Laid-Open No. 4-119989, heat generation for floor heating installed under the floor in a high humidity atmosphere. Not suitable for the device. Also, in order to solve this, for example, Jikken Sho 63-7
As described in JP-A-2885 and JP-B-45-32202, when a PTC heater having a non-moisture-proof and dense function is attached to a large panel-shaped housing and then the entire moisture-proof dense processing is performed, the processing cost becomes high. Poor nature.
【０００５】本発明が解決すべき課題は、できるだけ低
コストで高湿状態雰囲気中の床下に設置する床暖房発熱
装置用等として使用できる防湿気密機能をもった信頼性
の高いＰＴＣヒータユニットを提供することにある。The problem to be solved by the present invention is to provide a highly reliable PTC heater unit having a moisture-proof and dense function which can be used as a floor heating and heating device installed under the floor in a high humidity atmosphere at the lowest possible cost. To do.
【０００６】[0006]
【課題を解決するための手段】前記課題を解決するた
め、本発明のＰＴＣ発熱装置は、面状絶縁材間にＰＴＣ
ヒータを複数個並設し、当該ＰＴＣヒータの幅方向の両
側に導電性の線材又は帯状材からなる接続体を配設し、
当該接続体と前記各ＰＴＣヒータの電極部との間を接続
手段で電気的に接続し、これらの面状絶縁材，ＰＴＣヒ
ータ，接続体の周囲を放熱体兼カバー材で被覆し、かつ
放熱体兼カバー材の内部空間部に、耐熱性充填絶縁材を
気密充填したものである。In order to solve the above-mentioned problems, the PTC heat-generating device of the present invention is provided with a PTC between planar insulating materials.
A plurality of heaters are arranged in parallel, and a connecting body made of a conductive wire or strip is arranged on both sides of the PTC heater in the width direction.
The connection body and the electrode portion of each PTC heater are electrically connected by connection means, and the sheet insulating material, the PTC heater, and the periphery of the connection body are covered with a heat radiator / cover material, and heat is radiated. The interior space of the body / cover material is hermetically filled with a heat-resistant filling insulating material.
【０００７】接続体とＰＴＣヒータの電極部は半田ろう
または導電性接着剤により電気的に接続したものとする
ことができる。The connecting body and the electrode portion of the PTC heater may be electrically connected by soldering solder or a conductive adhesive.
【０００８】この場合、ＰＴＣヒータのキュリー点を、
半田ろうの融点以下の温度、あるいは導電性接着剤の耐
熱温度以下の温度とする。In this case, the Curie point of the PTC heater is
The temperature is below the melting point of the solder solder or below the heat resistant temperature of the conductive adhesive.
【０００９】また、半田ろうまたは導電性接着剤により
接続される接続体のＰＴＣヒータの電極部の近傍に応力
吸収部を設けることができる。Further, the stress absorbing portion can be provided in the vicinity of the electrode portion of the PTC heater of the connecting body connected by the solder brazing or the conductive adhesive.
【００１０】さらに、ＰＴＣヒータの背面と放熱体兼カ
バー材との間に弾力性のあるスペーサーを設けることが
できる。Further, an elastic spacer can be provided between the back surface of the PTC heater and the cover member that also serves as a radiator.
【００１１】[0011]
【作用】上記の構成にすることにより、高湿状態雰囲気
中の床下に設置する床暖房用発熱装置等に適し、防湿気
密機能をもったＰＴＣヒータユニットが低コストで得ら
れる。With the above structure, a PTC heater unit having a moisture-proof and dense function can be obtained at low cost, which is suitable for a floor heating heat generating device or the like installed under the floor in a high humidity atmosphere.
【００１２】本構成によれば、ＰＴＣヒータ１と接続体
６が間隔をもって位置しているため、加熱、冷却の際に
ＰＴＣヒータ１と接続体６の熱膨張率の差により発生す
る応力の影響が小さく、長期耐久性に優れるという作用
がある。According to this structure, since the PTC heater 1 and the connecting body 6 are positioned with a space therebetween, the influence of stress generated by the difference in the coefficient of thermal expansion between the PTC heater 1 and the connecting body 6 during heating and cooling. Has a small value and is excellent in long-term durability.
【００１３】[0013]
【実施例】以下、本発明を図１〜図３に示す一実施例を
参照しながら具体的に説明する。図１は本発明の一実施
例の平面部分断面図、図２はその断面図、図３は接続体
の応力吸収部を説明するための部分拡大平面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to an embodiment shown in FIGS. FIG. 1 is a plan partial cross-sectional view of an embodiment of the present invention, FIG. 2 is a cross-sectional view thereof, and FIG. 3 is a partial enlarged plan view for explaining a stress absorbing portion of a connection body.
【００１４】図１及び図２において、１はＰＴＣヒー
タ、２は面状絶縁材、３は放熱体兼カバー材、４は耐熱
性充填絶縁材５を充填する前の空間部、６は端末部６ａ
をもつ接続体、７はＰＴＣヒータの電極部、８は半田ろ
う、９は導電性接着剤、１０は応力吸収部、１１は弾力
性スペーサー、１２は気密絶縁体である。In FIGS. 1 and 2, 1 is a PTC heater, 2 is a planar insulating material, 3 is a radiator / cover material, 4 is a space portion before the heat-resistant filling insulating material 5 is filled, and 6 is a terminal portion. 6a
And 7 are electrodes of a PTC heater, 8 is solder solder, 9 is a conductive adhesive, 10 is a stress absorbing part, 11 is a resilient spacer, and 12 is an airtight insulator.
【００１５】すなわち、ＰＴＣヒータ１は、例えば半田
ろう８の融点や導電性接着剤９の耐熱温度以下の比較的
低温度のキュリー点をもつチタン酸バリウム等の組成か
らなる半導体サーミスタで、一対の電極７をもち、当該
電極７は電気的に接続するため接続体６とは半田ろう
８、導電性接着剤９等で密着接続される。That is, the PTC heater 1 is a semiconductor thermistor made of a composition such as barium titanate having a Curie point at a relatively low temperature below the melting point of the solder solder 8 or the heat resistant temperature of the conductive adhesive 9, and is composed of a pair of semiconductor thermistors. It has an electrode 7, and since the electrode 7 is electrically connected, it is closely connected to the connecting body 6 with a solder solder 8, a conductive adhesive 9, or the like.
【００１６】面状絶縁材２は、ＰＴＣヒータ１及び接続
体６の充電部と放熱体兼カバー材３を絶縁するもので、
主たる放熱面側３ａとその反対面側３ｂの耐熱温度及び
熱抵抗値の異なる絶縁材とする場合もある。またＰＴＣ
ヒータ１と面状絶縁材２の間にＰＴＣヒータ１の放熱量
を増やすため、熱伝導のよい金属板を介在させることも
できる。The planar insulating material 2 insulates the charging portion of the PTC heater 1 and the connection body 6 from the radiator / cover material 3, and
There may be a case where the main heat radiation surface side 3a and the opposite surface side 3b are made of insulating materials having different heat resistant temperatures and thermal resistance values. Also PTC
In order to increase the heat radiation amount of the PTC heater 1 between the heater 1 and the planar insulating material 2, it is possible to interpose a metal plate having good heat conduction.
【００１７】放熱体兼カバー材３は、ＰＴＣヒータ１と
面状絶縁材２を介した主たる放熱面側３ａとその反対面
側３ｂを持つ。当該カバー材３の材質は、放熱伝熱の良
い金属材が一般的であるが低温度あるいは小出力の場
合、非金属材も可能である。また当該カバー材３の機能
として、耐熱性充填絶縁材５を空間部４に充填すると
き、当該カバー外に耐熱性充填絶縁材５が漏れ出ないよ
うにする。The radiator / cover material 3 has a main heat radiation surface side 3a and a surface 3b opposite to the main heat radiation surface 3a with the PTC heater 1 and the planar insulating material 2 interposed therebetween. The material of the cover material 3 is generally a metal material having good heat dissipation and heat transfer, but in the case of low temperature or low output, a non-metal material is also possible. Further, as a function of the cover material 3, when the space portion 4 is filled with the heat resistant filling insulating material 5, the heat resistant filling insulating material 5 is prevented from leaking out of the cover.
【００１８】空間部４は、図１及び図２において部分的
に示しているが、放熱体兼カバー材３内の全ての空間部
を意味する。特にＰＴＣヒータ１あるいは接続体６等充
電部の周囲に部分的に外気と通ずる空間部４があると、
多湿時は結露等により漏電のおそれがある。Although the space portion 4 is partially shown in FIGS. 1 and 2, it means all space portions inside the radiator / cover member 3. In particular, if there is a space 4 that partially communicates with the outside air around the charging part such as the PTC heater 1 or the connector 6,
When the humidity is high, there is a risk of electric leakage due to condensation.
【００１９】耐熱性充填絶縁材５は、前記の空間部４を
無くすためのもので、ＰＴＣヒータ１の発熱温度に充分
耐える耐熱性を持ちかつ耐湿絶縁特性が良く、空間充填
時の作業性の良いものが適当である。さらには充填後の
熱膨張収縮特性が良好でないと長期間の使用では機械的
ストレスによりＰＴＣヒータ１への影響が考えられる。
したがって、充填後の当該絶縁材５の固さは、完全に硬
化するものより弾力性を持った状態で安定化するものが
好ましい。The heat-resistant filling insulating material 5 is for eliminating the above-mentioned space portion 4, has heat resistance enough to endure the heat generation temperature of the PTC heater 1 and has good moisture-proof insulation characteristics, and has good workability during space filling. Good things are appropriate. Furthermore, if the thermal expansion and contraction characteristics after filling are not good, it is considered that the PTC heater 1 is affected by mechanical stress during long-term use.
Therefore, it is preferable that the hardness of the insulating material 5 after filling is stabilized in an elastic state rather than that which is completely cured.
【００２０】端末部６ａをもつ接続体６は、ＰＴＣヒー
タ１に電源を供給するもので、ＰＴＣヒータ１の電極部
７に半田付け可能な銅または銅合金製の帯状のものが生
産性が高く好ましいが、ＰＴＣヒータ１の数や配置によ
っては軟銅線を成型したものでも可能である。またＰＴ
Ｃヒータ１の数が多い場合は熱膨張収縮や撓んだときの
機械的応力によりＰＴＣヒータ１の電極部７の接続体６
との接続部にその応力が直接加わらないように、例えば
切り込み等の応力吸収部１０を設ける。また、応力吸収
部は、図３に示す例のほか、図４や図５に示すように、
波型、螺旋型あるいはその他の形状でも機能を満足すれ
ばよく、材質、作業性、コスト等に応じて選択される。The connector 6 having the terminal portion 6a supplies power to the PTC heater 1, and a strip of copper or copper alloy that can be soldered to the electrode portion 7 of the PTC heater 1 has high productivity. Although preferable, an annealed copper wire may be molded depending on the number and arrangement of the PTC heaters 1. Also PT
When the number of the C heaters 1 is large, the connecting body 6 of the electrode portion 7 of the PTC heater 1 is caused by the thermal expansion and contraction or the mechanical stress when the C heater 1 is bent.
The stress absorbing portion 10 such as a notch is provided so that the stress is not directly applied to the connection portion with the. In addition to the example shown in FIG. 3, the stress absorbing portion is, as shown in FIG. 4 and FIG.
A corrugated shape, a spiral shape, or any other shape may be used as long as the function is satisfied, and the shape is selected depending on the material, workability, cost, and the like.
【００２１】ＰＴＣヒータ１の電極部７は、当該ヒータ
１の表面の端部に一対設け、電流分布や温度分布を均一
化し、さらに突入電流が大きい場合はその考慮をしたも
のとする。また接続体６と半田ろう８による半田付けあ
るいは導電性接着剤９による接続が確実になされるよう
な組成物が必要である。A pair of electrode portions 7 of the PTC heater 1 are provided at the end portion of the surface of the heater 1 so as to make the current distribution and the temperature distribution uniform, and when the inrush current is large, this is taken into consideration. Further, a composition is required so that soldering with the connecting body 6 and the solder solder 8 or connection with the conductive adhesive 9 can be surely performed.
【００２２】半田ろう８および導電性接着剤９は、ＰＴ
Ｃヒータ１の電極部７と接続体６との接続が確実になさ
れるよう重要な部材で、その組成や融点あるいは接着性
や密着性それに耐熱性や長期耐久性等を充分吟味しなけ
ればならない。ここで、ＰＴＣヒータ１の電極部７と接
続体６との接続を半田ろう８等を用いず機械的接触のみ
にすると、耐熱性充填絶縁材５を充填したときその液状
充填絶縁材が電極部７と接続体６との間に入り込み、電
気的接続が保てなくなる恐れがある。The solder solder 8 and the conductive adhesive 9 are PT
It is an important member to ensure the connection between the electrode portion 7 of the C heater 1 and the connection body 6, and its composition, melting point, adhesiveness, adhesion, heat resistance, long-term durability, etc. must be thoroughly examined. . Here, when the connection between the electrode portion 7 of the PTC heater 1 and the connection body 6 is made only by mechanical contact without using the soldering solder 8 or the like, when the heat resistant filling insulating material 5 is filled, the liquid filling insulating material is filled with the electrode portion. There is a risk that it may enter between the connection body 7 and the connection body 6 and lose electrical connection.
【００２３】弾力性スペーサー１１は、ＰＴＣヒータ１
を面状絶縁材２を介して放熱体兼カバー材３の主たる放
熱面側３ａに押し付け当該ヒータ１の伝熱放熱を良好な
らしめるためのものである。The elastic spacer 11 is used for the PTC heater 1.
Is pressed against the main radiating surface side 3a of the radiator / cover member 3 through the planar insulating material 2 so that the heat transfer and radiating of the heater 1 can be made good.
【００２４】気密絶縁体１２は、接続体６の放熱体兼カ
バー材３の貫通部から電気的に絶縁するためのもので、
この部分を気密構造にしないと当該カバー材３内の絶縁
性能が次第に低下する恐れがある。The airtight insulator 12 is for electrically insulating from the penetrating portion of the radiator / cover member 3 of the connector 6.
If this portion is not made airtight, the insulation performance in the cover material 3 may gradually decrease.
【００２５】以上のような構成よりなる本発明のＰＴＣ
発熱装置についてその作用を説明する。The PTC of the present invention having the above structure
The operation of the heat generating device will be described.
【００２６】放熱体兼カバー材３で囲んだ組立品の空間
部に耐熱性充填絶縁材５を気密充填することにより、Ｐ
ＴＣヒータ１自身はもちろんその電極部７と接続体６と
その接続部を、高湿あるいは腐食性ガス等の環境から守
ることができる。またそれらの充電部との絶縁距離を外
力等から保護する作用もある。The space of the assembly surrounded by the radiator / cover member 3 is hermetically filled with the heat-resistant filling insulating material 5 so that P
Not only the TC heater 1 itself, but also the electrode portion 7, the connecting body 6 and the connecting portion thereof can be protected from the environment such as high humidity or corrosive gas. It also has the function of protecting the insulation distance between these charged parts from external forces.
【００２７】ＰＴＣヒータ１のキュリー点を、半田ろう
８の融点や導電性接着剤９の耐熱温度を下回る比較的低
温度にすることにより、ＰＴＣヒータ１の電極部７と接
続体６との接続信頼性が保てる。By connecting the Curie point of the PTC heater 1 to a relatively low temperature below the melting point of the solder solder 8 and the heat resistant temperature of the conductive adhesive 9, the electrode portion 7 of the PTC heater 1 and the connection body 6 are connected. You can maintain reliability.
【００２８】ＰＴＣヒータ１の電極部７と接続体６との
接続を密着性の良い半田ろう８や導電性接着剤９を用い
ることにより、耐熱性充填絶縁材５を充填したとき、そ
の液状の充填絶縁材５が機械的接触のみの場合のように
電極部７と接続体６との間に入り込まずその両者の接続
信頼性が保てる。When the heat-resistant filling insulation material 5 is filled with the liquid solder when the electrode portion 7 of the PTC heater 1 and the connecting body 6 are connected to each other by using the soldering solder 8 and the conductive adhesive 9 having good adhesion, As in the case where the filling insulating material 5 is only in mechanical contact, it does not enter between the electrode portion 7 and the connection body 6, and the connection reliability of both can be maintained.
【００２９】応力吸収部１０を接続体６に設けることに
より、本発明のＰＴＣ発熱装置製造時はもちろん、通電
加熱時における機械的応力からＰＴＣヒータ１を保護す
ることができる。By providing the stress absorbing portion 10 in the connecting body 6, the PTC heater 1 can be protected from mechanical stress not only when manufacturing the PTC heat generating device of the present invention but also when electrically heating.
【００３０】[0030]
【発明の効果】以上述べたように、本発明によれば、絶
縁材間にＰＴＣヒータを複数個併設し、その周囲をカバ
ー材で囲んだ組立品の空間部に耐熱性充填絶縁材を気密
充填し、ＰＴＣヒータの電気的接続を、接続体とＰＴＣ
ヒータの電極部を半田ろうまたは導電性接着材により密
着接続し、さらにその接続する近傍の接続体の応力発生
部に応力吸収部を設けたことにより、高湿状態雰囲気中
の床下に設置する床暖房発熱装置用等として長期間使用
に耐える防湿気密構造のＰＴＣヒータユニットを低コス
トで提供できる。As described above, according to the present invention, a plurality of PTC heaters are provided side by side between insulating materials, and a heat-resistant filling insulating material is hermetically sealed in the space of the assembly surrounded by the cover material. Filling and electrical connection of PTC heater, connecting body and PTC
Floors installed under the floor in a high-humidity atmosphere by closely connecting the heater electrodes with solder solder or a conductive adhesive, and by providing a stress absorbing part in the stress-generating part of the connected body near the connection. A PTC heater unit having a moisture-proof and dense structure that can be used for a long period of time, such as for a heating and heating device, can be provided at low cost.
【００３１】本構成によれば、ＰＴＣヒータ１と接続体
６が間隔をもって位置しているため、加熱、冷却の際に
ＰＴＣヒータ１と接続体６の熱膨張率の差により発生す
る応力の影響が小さく、長期耐久性に優れるという効果
がある。According to this structure, since the PTC heater 1 and the connecting body 6 are positioned with a space therebetween, the influence of the stress generated by the difference in the coefficient of thermal expansion between the PTC heater 1 and the connecting body 6 during heating and cooling. Has a small value and is excellent in long-term durability.
【図１】 本発明の一実施例を示す横断面図である。FIG. 1 is a cross-sectional view showing an embodiment of the present invention.
【図２】 図１の実施例の縦断面図である。2 is a longitudinal sectional view of the embodiment of FIG.
【図３】 本発明の一実施例を示す接続体の応力吸収部
を説明するための部分拡大平面図である。FIG. 3 is a partial enlarged plan view for explaining the stress absorbing portion of the connection body showing the embodiment of the present invention.
【図４】 本発明の接続体の応力吸収部の他の例を示す
拡大平面図である。FIG. 4 is an enlarged plan view showing another example of the stress absorbing portion of the connection body of the present invention.
【図５】 本発明の接続体の応力吸収部のまた他の例を
示す拡大平面図である。FIG. 5 is an enlarged plan view showing still another example of the stress absorbing portion of the connection body of the present invention.
１ ＰＴＣヒータ、２ 面状絶縁材、３ 放熱体兼カバ
ー材、４ 空間部、５耐熱性充填絶縁材、６ 接続体、
７ ＰＴＣヒータの電極部、８ 半田ろう、９導電性接
着剤、１０ 応力吸収部、１１ 弾力性スペーサー、１
２ 気密絶縁体1 PTC heater, 2 planar insulating material, 3 radiator / cover material, 4 space part, 5 heat resistant filling insulating material, 6 connection body,
7 PTC heater electrode part, 8 Solder solder, 9 Conductive adhesive, 10 Stress absorbing part, 11 Elastic spacer, 1
2 Airtight insulator
───────────────────────────────────────────────────── フロントページの続き (72)発明者 貝本 隆 福岡県福岡市南区清水２丁目20番31号 日 本タングステン株式会社内 (72)発明者 有木 一夫 福岡県福岡市南区清水２丁目20番31号 日 本タングステン株式会社内 (72)発明者 中野 修 福岡県福岡市南区清水２丁目20番31号 日 本タングステン株式会社内 (72)発明者 新美 健一郎 千葉県柏市新十余二３番地１ 株式会社日 立ホームテック内 (72)発明者 三友 明夫 千葉県柏市新十余二３番地１ 株式会社日 立ホームテック内 (72)発明者 阿部 輝男 千葉県柏市新十余二３番地１ 株式会社日 立ホームテック内 (72)発明者 阿南 文政 福岡県福岡市南区塩原２丁目１番47号 九 州電力株式会社総合研究所内 (72)発明者 八牟礼 正信 福岡県福岡市南区塩原２丁目１番47号 九 州電力株式会社総合研究所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Kaimoto 2-2031 Shimizu, Minami-ku, Fukuoka-shi, Fukuoka Nihon Tungsten Co., Ltd. (72) Inventor Kazuo Ariki 2 Shimizu, Minami-ku, Fukuoka-shi, Fukuoka 20-31 Nihon Tungsten Co., Ltd. (72) Inventor Osamu Nakano 2-20-31 Shimizu Minami-ku, Fukuoka-shi, Fukuoka Nihon Tungsten Co., Ltd. (72) Kenichiro Niimi Shin Kashiwa-shi, Chiba Prefecture 3rd Juichi 1 in Hirtitsu Hometec Co., Ltd. (72) Inventor Akio Sanyu 3-3 Shinjuiju 12 Kashiwa-shi, Chiba Prefecture 1st in Hirate Hometech Co., Ltd. (72) Teruo Abe 1 3rd Shinjyoji-12 Kashiwa-shi, Chiba Nitrate Home Tech Co., Ltd. (72) Inventor Bunsei Anan 2-47 Shiobara, Minami-ku, Fukuoka-shi, Fukuoka Prefecture Kyushu Electric Power Co., Inc. Research Institute (72) Inventor Masanobu Hachimure 2-147 Shiobara, Minami-ku, Fukuoka City, Fukuoka Prefecture Kyushu Electric Power Co., Inc. Research Institute
Claims (5)
個並設し、当該ＰＴＣヒータ１の幅方向の両側に導電性
の線材又は帯状材からなる接続体６を配設し、当該接続
体６と前記各ＰＴＣヒータ１の電極部７との間を接続手
段で電気的に接続し、これらの面状絶縁材２，ＰＴＣヒ
ータ１，接続体６の周囲を放熱体兼カバー材３で被覆
し、かつ放熱体兼カバー材３の内部空間部４に、耐熱性
充填絶縁材５を気密充填したことを特徴とするＰＴＣ発
熱装置。1. A plurality of PTC heaters 1 are arranged side by side between planar insulating materials 2, and a connecting body 6 made of a conductive wire or strip is arranged on both sides of the PTC heater 1 in the width direction. The connecting body 6 and the electrode portion 7 of each of the PTC heaters 1 are electrically connected by a connecting means, and the planar insulating material 2, the PTC heater 1, and the connecting body 6 are surrounded by a radiator / cover material 3. And a heat-resistant filling insulating material 5 is airtightly filled in the internal space 4 of the radiator / cover material 3.
半田ろう８または導電性接着剤９により電気的に接続し
た請求項１記載のＰＴＣ発熱装置。2. The PTC heating device according to claim 1, wherein the connection body 6 and the electrode portion 7 of the PTC heater 1 are electrically connected by a soldering solder 8 or a conductive adhesive 9.
う８の融点以下の温度、あるいは導電性接着剤９の耐熱
温度以下の温度としたことを特徴とする請求項２記載の
ＰＴＣ発熱装置。3. The PTC heating device according to claim 2, wherein the Curie point of the PTC heater 1 is set to a temperature equal to or lower than the melting point of the solder solder 8 or equal to or lower than the heat resistant temperature of the conductive adhesive 9.
接続される接続体６のＰＴＣヒータ１の電極部７の近傍
に応力吸収部１０を設けた請求項２記載のＰＴＣ発熱装
置。4. The PTC heat generating device according to claim 2, wherein a stress absorbing portion 10 is provided in the vicinity of the electrode portion 7 of the PTC heater 1 of the connecting body 6 connected by the solder solder 8 or the conductive adhesive 9.
材３との間に弾力性のあるスペーサー１１を設けた請求
項１記載のＰＴＣ発熱装置。5. The PTC heating device according to claim 1, wherein a spacer 11 having elasticity is provided between the rear surface of the PTC heater 1 and the radiator / cover member 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29985693A JPH07153552A (en) | 1993-11-30 | 1993-11-30 | Ptc heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29985693A JPH07153552A (en) | 1993-11-30 | 1993-11-30 | Ptc heater unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07153552A true JPH07153552A (en) | 1995-06-16 |
Family
ID=17877781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29985693A Withdrawn JPH07153552A (en) | 1993-11-30 | 1993-11-30 | Ptc heater unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07153552A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006302888A (en) * | 2005-04-19 | 2006-11-02 | Ngk Insulators Ltd | Power supply member and heating device |
| JP2021125383A (en) * | 2020-02-05 | 2021-08-30 | タチバナテクノス株式会社 | PTC planar heating element |
-
1993
- 1993-11-30 JP JP29985693A patent/JPH07153552A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006302888A (en) * | 2005-04-19 | 2006-11-02 | Ngk Insulators Ltd | Power supply member and heating device |
| JP2021125383A (en) * | 2020-02-05 | 2021-08-30 | タチバナテクノス株式会社 | PTC planar heating element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20010130 |