JP2003173864A - Freeze prevention heating element - Google Patents
Freeze prevention heating elementInfo
- Publication number
- JP2003173864A JP2003173864A JP2001370867A JP2001370867A JP2003173864A JP 2003173864 A JP2003173864 A JP 2003173864A JP 2001370867 A JP2001370867 A JP 2001370867A JP 2001370867 A JP2001370867 A JP 2001370867A JP 2003173864 A JP2003173864 A JP 2003173864A
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- flange portion
- freeze prevention
- soaking plate
- jacket
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】各種排水管などの凍結防止用
加熱体に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a freezing prevention heating element such as various drainage pipes.
【０００２】[0002]
【従来の技術】従来の各種排水管などの凍結防止用加熱
体は、既設排水管の外径に略一致する内径を有する一対
の半割り筒状体のものが提案されているが、一定寸法の
外径をもつ既設管にしか使用できず、異なる外径を有す
る既設管のサイズに応じて、凍結防止用加熱体の種類を
多くする必要があった。（例えば、特公平１０−１６０
０８９号公報参照）。2. Description of the Related Art As a conventional antifreeze heating body for various drainage pipes, a pair of half-divided tubular bodies having an inner diameter substantially matching the outer diameter of an existing drainage pipe have been proposed. It can be used only for existing pipes having different outer diameters, and it was necessary to increase the number of types of antifreeze heating bodies according to the sizes of existing pipes having different outer diameters. (For example, Japanese Patent Publication No. 10-160
089 publication).
【０００３】一般に水道凍結防止帯として、市販されて
いる凍結防止用加熱体の発熱体は、ニクロム線ヒーター
等が使用されているが、自己温度制御の機能がなく、温
度センサ、サーモスタットおよびサーモコードの取付け
が必要であり、その構造や施工が煩雑であった。Generally, a nichrome wire heater or the like is used as a heating element of a commercially available antifreezing heating element for a water supply antifreezing band, but it does not have a self-temperature control function, and a temperature sensor, a thermostat, and a thermocord. Was required, and its structure and construction were complicated.
【０００４】従来の水道凍結防止帯にあっては、断熱材
を格納していないため、加熱体を水道管に取付のとき、
別途、外側から保温用テープを施工する必要があった。In the conventional antifreezing zone for water supply, since the heat insulating material is not stored, when the heating body is attached to the water pipe,
It was necessary to separately apply a heat insulating tape from the outside.
【０００５】[0005]
【発明が解決しようとする課題】従来の凍結防止用加熱
体にあっては、上記のように装着を必要とする異なる外
径を有する既設管に自在に装着ができなかった。However, the conventional antifreeze heater cannot be freely attached to the existing pipes having different outer diameters that need to be attached as described above.
【０００６】従来の凍結防止用加熱体は市販の水道凍結
帯にみられる、ニクロム線ヒータを使用しているため、
温度センサ、サーモスタットおよびサーモコードの取付
けが必要であったSince the conventional antifreeze heating body uses the nichrome wire heater found in commercial water freezing zones,
Installation of temperature sensor, thermostat and thermocord was required
【０００７】従来の凍結防止用加熱体は市販の水道凍結
帯にみられる、別途保温テープによって被加熱部と加熱
体の外側を巻き付け、保温効果を上げる必要があった。The conventional antifreeze heating element, which is found in commercial water freezing zones, requires a separate heat insulating tape to wrap the heated portion and the outside of the heating element to improve the heat insulating effect.
【０００８】本発明は、上記のような従来の課題を解消
し、装着を必要とする異なる外径を有する既設管面に、
自在に装着できる構造とし、温度センサ、サーモスタッ
トおよびサーモコード、保温テープの施工の必要をなく
した凍結防止用加熱体１を提供することを目的とした。The present invention solves the above-mentioned problems of the prior art and provides an existing pipe surface having a different outer diameter that needs to be mounted,
It is an object of the present invention to provide a freezing prevention heating body 1 which has a structure that can be freely attached and does not require the construction of a temperature sensor, a thermostat, a thermocord, and a heat insulating tape.
【０００９】[0009]
【課題を解決するための手段】本願の請求項１記載の凍
結防止用加熱体１（以下本発明１と言う）は、四周にフ
ランジ部２３を有し、下方が開口した箱状であって、箱
状の天部２１および側部２２が蛇腹状になされている外
被部２のフランジ部２３の下方に、外被部２と略一致す
る寸法の均熱板５をフランジ部２３の下面に当接し、均
熱板５と外被部２の天部２１および側部２２とで形成さ
れた箱状空間に、断熱材３と発熱体６とを格納し、フラ
ンジ部２３と均熱板５の当接した外周の全周を軟質の樹
脂で被覆して、外縁部４を形成せしめたことを特徴とす
る凍結防止用加熱体１である。The heating body 1 for freeze prevention according to claim 1 of the present application (hereinafter referred to as the present invention 1) has a box-like shape having a flange portion 23 on the four circumferences and an opening at the bottom. Below the flange portion 23 of the jacket portion 2 in which the box-shaped top portion 21 and the side portion 22 are bellows-shaped, a soaking plate 5 having a size substantially matching the jacket portion 2 is provided on the lower surface of the flange portion 23. A heat-insulating material 3 and a heating element 6 in a box-shaped space formed by the heat equalizing plate 5 and the top portion 21 and the side portion 22 of the jacket 2, and the flange portion 23 and the heat equalizing plate. The antifreeze heating body 1 is characterized in that the outer periphery of the outer periphery of the contacting member 5 is covered with a soft resin to form the outer edge portion 4.
【００１０】本願の請求項２記載の凍結防止用加熱体１
（以下本発明２と言う）は、本発明１の発熱体６が、自
己温度制御機能をもつ正温度係数（Positive Temperat
ureCoefficient）面状発熱体であることを特徴とする凍
結防止用加熱体１である。The antifreeze heating element 1 according to claim 2 of the present application
(Hereinafter, referred to as the present invention 2), the heating element 6 of the present invention 1 has a positive temperature coefficient (Positive Temperat) having a self-temperature control function.
(ureCoefficient) A heating element 1 for freeze prevention, which is a planar heating element.
【００１１】本発明において、外被部２の構成材料はス
テンレス板の絞り成形加工、ナイロン樹脂等を成型加工
し、機械的強度の高いものが好適に使用される。In the present invention, as the constituent material of the jacket portion 2, a material having a high mechanical strength, which is formed by drawing a stainless steel plate, molding a nylon resin or the like, is preferably used.
【００１２】本発明において、断熱材３の材料は耐熱性
があって、既述の蛇腹状の箱部に沿って柔軟に対応でき
る独立気泡ＰＥフォーム材が好適に使用される。In the present invention, the material of the heat insulating material 3 is heat resistant, and the closed cell PE foam material which can flexibly cope with the above-mentioned bellows-shaped box portion is preferably used.
【００１３】本発明において、外縁部４の材料は柔軟
性、機密性のある難燃性ナイロン材が好適に使用され
る。In the present invention, as the material of the outer edge portion 4, a flame-retardant nylon material having flexibility and airtightness is preferably used.
【００１４】本発明において、均熱板５の材料は、伝熱
性があって、発熱体６に面接して折り曲げ可能なブリキ
又はステンレス板、等が好適に使用される。In the present invention, the material of the heat equalizing plate 5 is preferably a tin plate or a stainless plate which has heat conductivity and can be bent by contacting the heating element 6 in a face-to-face manner.
【００１５】本発明において、装着すべき被加熱面への
固定は、図５に示されるように外被部２に取付け紐を形
成、もしくは、従来公知のフィットタイと呼ばれる取付
け紐や取付金具を取付けて施工固定される。In the present invention, the fixing to the heated surface to be mounted is carried out by forming an attachment cord on the outer cover 2 as shown in FIG. 5, or by attaching a attachment cord or an attachment metal fitting known as a conventionally known fit tie. It is installed and fixed.
【００１６】本発明２で用いる自己温度制御機能をもつ
正温度係数（Positive TemperatureCoefficient）面状
発熱体とは、通電することによって発熱し、発熱するこ
とによって発熱体６の温度が上昇し、温度上昇によっ
て、発熱体６の電気抵抗が増加して通電電流が低下し、
結果として発熱温度が一定となる発熱体であって、形状
が平板状の発熱体６である。The positive temperature coefficient (Positive Temperature Coefficient) sheet-like heating element having a self-temperature control function used in the present invention 2 generates heat when energized, and the temperature of the heating element 6 rises due to the heat generation. Causes the electric resistance of the heating element 6 to increase and the energizing current to decrease,
As a result, the heat generating element 6 has a flat heat generating temperature and has a constant heat generating temperature.
【００１７】本発明において、発熱体６の形状は平板状
であって、外被部２の天部２１および側部２２とで形成
された箱状空間の面積寸法に略一致した寸法形状が望ま
しい。In the present invention, the shape of the heating element 6 is a flat plate shape, and it is desirable that the heating element 6 has a size and shape that substantially match the area size of the box-shaped space formed by the top portion 21 and the side portions 22 of the outer cover 2. .
【００１８】[0018]
【発明の実施の形態】発明の実施の形態を実施例にもと
づき図面を参照して説明する。図１は、本発明の凍結防
止用加熱体１実施形態の一例を示す斜視図である。図１
において、四周にフランジ部２３を有し下方が開口した
箱状であって、箱状の天部２１および側部２２とが蛇腹
状になされている耐熱性樹脂材の外被部２とステンレス
板の厚さ０・３ＭＭの均熱板５とで形成された空間に弾
力性のある独立気泡ＰＥフォーム製樹脂の断熱材３と発
熱体６とを格納し、外被部２のフランジ部２３の下方
に、外被部２と略一致する寸法の均熱板５をフランジ部
２３の下面に当接し、フランジ部２３と均熱板５の当接
した外周の全周を軟質のナイロン樹脂で被覆して、外縁
部４を形成した。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described based on examples with reference to the drawings. FIG. 1 is a perspective view showing an example of an embodiment of a freeze prevention heating body 1 of the present invention. Figure 1
In a box-like shape having a flange portion 23 on four circumferences and an opening at the bottom, and a box-like top portion 21 and side portions 22 in a bellows-like shape, a jacket portion 2 of a heat-resistant resin material and a stainless steel plate. In the space formed by the soaking plate 5 having a thickness of 0.3 mm, the heat insulating material 3 and the heating element 6 made of a resin having a closed-cell PE foam having elasticity are stored, and the flange portion 23 of the jacket portion 2 is Below, a heat equalizing plate 5 having a size substantially matching that of the jacket portion 2 is brought into contact with the lower surface of the flange portion 23, and the entire outer circumference of the contact between the flange portion 23 and the heat equalizing plate 5 is covered with a soft nylon resin. Then, the outer edge portion 4 was formed.
【００１９】図２は、図１のＡ−Ａ断面図である。図
１、２において、ケーブル７は発熱体６の電極に接続さ
れ、外被部２、断熱材３をとおして、外部電源に接続す
るため導出されている。FIG. 2 is a sectional view taken along the line AA of FIG. In FIGS. 1 and 2, the cable 7 is connected to the electrodes of the heating element 6 and is led out to connect to an external power source through the jacket portion 2 and the heat insulating material 3.
【００２０】図３は、図２のB部分の拡大図３である。
図３において、発熱体６は自己温度制御機能をもつ正温
度係数（Positive Temperature Coefficient）面状発
熱体（ミタケ電子工業株式会社製 コータタイプもしく
は、印刷タイプのPTC面状発熱体）であって、断熱材３
と発熱体６は、外被部２の天部２１の下方に断熱材３
を、さらに、断熱材３の下面に発熱体６を格納し、外被
部２と略一致する寸法の均熱板５をフランジ部２３の下
面に当接した外周の全周を軟質の樹脂で被覆して、外縁
部４を形成した。FIG. 3 is an enlarged view 3 of the portion B of FIG.
In FIG. 3, the heating element 6 is a positive temperature coefficient (Positive Temperature Coefficient) planar heating element having a self-temperature control function (a coating type PTC planar heating element manufactured by Mitake Electronics Co., Ltd.), Insulation 3
The heat generating element 6 and the heat generating element 6
Further, the heating element 6 is housed in the lower surface of the heat insulating material 3, and the heat equalizing plate 5 having a size substantially equal to that of the jacket portion 2 is in contact with the lower surface of the flange portion 23. The outer edge 4 was formed by coating.
【００２１】上記外被部２については、外被部２の天部
２１と側部２２が蛇腹状であることおよび、天部２１と
側部２２に遠設されたフランジ部２３を図４の拡大斜視
図に示した。With respect to the outer cover portion 2, the top portion 21 and the side portion 22 of the outer cover portion 2 are bellows-like, and the flange portion 23 distant from the top portion 21 and the side portion 22 is provided in FIG. It is shown in an enlarged perspective view.
【００２２】図５は本発明の凍結防止用加熱体１が柔軟
性を維持し、異なる外径の既設配管の表面にも、自在に
密着取付けを実施した一例を示した。図５において取付
け紐１５は外被部２に遠設されることも考えられる。凍
結防止用加熱体１の均熱板５の内側に接着剤、接着テー
プ等で各種曲面部に取付けられる。FIG. 5 shows an example in which the antifreeze heating element 1 of the present invention maintains flexibility and is freely attached in close contact with the surface of an existing pipe having a different outer diameter. It is also conceivable that the attachment string 15 is provided to be remote from the outer cover 2 in FIG. It is attached to various curved surface portions inside the heat equalizing plate 5 of the antifreeze heating body 1 with an adhesive, an adhesive tape or the like.
【００２３】[0023]
【発明の効果】本発明は以上説明したように構成されて
いるので、以下に記載されるような効果を奏する。Since the present invention is configured as described above, it has the following effects.
【００２４】四周にフランジ部２３を有し下方が開口し
た箱状であって、箱状の天部２１および側部２２が蛇腹
状になされている外被部２を形成することによって、保
温効果をあげる断熱材３の厚さが大きくなっても、凍結
防止用加熱体の柔軟性を維持し、異なる外径の既設配管
の表面にも、自在に密着取付けができ、熱効率の高い凍
結防止用加熱体１を提供できた。By forming the outer cover 2 having a box-like top part 21 and side parts 22 which are bellows-like and which has a flange part 23 on the four circumferences and which opens downward, a heat retaining effect is obtained. Even if the thickness of the heat insulating material 3 increases, the flexibility of the antifreeze heating element is maintained, and it can be freely and closely attached to the surface of the existing pipe with a different outer diameter for high antifreeze performance. The heating element 1 could be provided.
【００２５】外被部２のフランジ部２３の下方に、外被
部２と略一致する寸法の均熱板５をフランジ部２３の下
面に当接し、フランジ部２３と均熱板５の当接した外周
の全周を軟質の樹脂で被覆して、外縁部４を形成したこ
とによって、防水構造とした凍結防止用加熱体１を提供
できた。Below the flange portion 23 of the jacket portion 2, a soaking plate 5 having a size substantially matching the jacket portion 2 is brought into contact with the lower surface of the flange portion 23, and the flange portion 23 and the soaking plate 5 are brought into contact with each other. By covering the entire circumference of the outer circumference with a soft resin to form the outer edge portion 4, it is possible to provide the antifreeze heating element 1 having a waterproof structure.
【００２６】発熱体６は自己温度制御機能をもつ正温度
係数（Positive Temperature Coefficient）面状発熱
体（ミタケ電子工業株式会社製 コータタイプもしく
は、印刷タイプPTC面状発熱体）であることによって、
温度センサ、サーモスタットおよびサーモコード、保温
テープの施工の必要をなくした凍結防止用加熱体１を提
供できた。Since the heating element 6 is a positive temperature coefficient sheet heating element having a self-temperature control function (coater type PTC sheet heating element manufactured by Mitake Electronics Co., Ltd.),
It was possible to provide the antifreeze heating element 1 that did not require the construction of a temperature sensor, a thermostat, a thermocord, and a heat insulating tape.
【００２７】[0027]
【図１】凍結防止用加熱体１の実施例の斜視図。FIG. 1 is a perspective view of an embodiment of a freeze prevention heating body 1. FIG.
【図２】図１のＡ−Ａ断面図。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】図２の部分拡大図。FIG. 3 is a partially enlarged view of FIG.
【図４】本発明に用いられる、外被部２の拡大斜視図。FIG. 4 is an enlarged perspective view of a jacket portion 2 used in the present invention.
【図５】本発明の凍結防止用加熱体１の実施例を示す説
明図。FIG. 5 is an explanatory view showing an embodiment of the antifreezing heating body 1 of the present invention.
【００２８】[0028]
１ 凍結防止用加熱体 ２ 外被部 ３ 断熱材 ４ 外縁部 ５ 均熱板 ６ 発熱体 ７ ケーブル １４ 既設配管 １５ 取付け紐 ２１ 天部 ２２ 側部 ２３ フランジ部 1 Freezing prevention heating element 2 jacket 3 insulation 4 outer edge 5 soaking plate 6 heating element 7 cable 14 Existing piping 15 Attachment string 21 Heaven 22 side 23 Flange
Claims (2)
した箱状であって、箱状の天部２１および側部２２が蛇
腹状になされている外被部２のフランジ部２３の下方
に、外被部２と略一致する寸法の均熱板５をフランジ部
２３の下面に当接し、均熱板５と外被部２の天部２１お
よび側部２２とで形成された箱状空間に、断熱材３と発
熱体６とを格納し、フランジ部２３と均熱板５の当接し
た外周の全周を軟質の樹脂で被覆して、外縁部４を形成
せしめたことを特徴とする凍結防止用加熱体１。1. A lower portion of a flange portion 23 of a jacket portion 2 having a box-shaped top portion 21 and side portions 22 which are bellows-shaped and which have a flange portion 23 on four circumferences and open downward. In addition, a soaking plate 5 having substantially the same size as that of the jacket portion 2 is brought into contact with the lower surface of the flange portion 23 to form a box shape formed by the soaking plate 5 and the top portion 21 and the side portion 22 of the jacket portion 2. The heat insulating material 3 and the heating element 6 are housed in the space, and the entire outer circumference of the outer periphery where the flange portion 23 and the heat equalizing plate 5 are in contact with each other is covered with a soft resin to form the outer edge portion 4. The antifreeze heating element 1.
正温度係数（Positive Temperature Coefficient）面
状発熱体であることを特徴とする請求項１記載の凍結防
止用加熱体１。2. The antifreeze heating element 1 according to claim 1, wherein the heating element 6 is a positive temperature coefficient planar heating element having a self-temperature control function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001370867A JP2003173864A (en) | 2001-12-05 | 2001-12-05 | Freeze prevention heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001370867A JP2003173864A (en) | 2001-12-05 | 2001-12-05 | Freeze prevention heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003173864A true JP2003173864A (en) | 2003-06-20 |
Family
ID=19180025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001370867A Pending JP2003173864A (en) | 2001-12-05 | 2001-12-05 | Freeze prevention heating element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003173864A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008164115A (en) * | 2006-12-28 | 2008-07-17 | Taiyo Nippon Sanso Corp | Heater device for heating piping |
| KR20180049096A (en) * | 2015-09-14 | 2018-05-10 | 포그텍 브란드슈츠 게엠베하 운트 컴파니 카게 | Tubular heating device |
| JP2018100547A (en) * | 2016-12-21 | 2018-06-28 | 積水化学工業株式会社 | Support post reinforcement method and heating system |
-
2001
- 2001-12-05 JP JP2001370867A patent/JP2003173864A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008164115A (en) * | 2006-12-28 | 2008-07-17 | Taiyo Nippon Sanso Corp | Heater device for heating piping |
| KR20180049096A (en) * | 2015-09-14 | 2018-05-10 | 포그텍 브란드슈츠 게엠베하 운트 컴파니 카게 | Tubular heating device |
| KR102001194B1 (en) * | 2015-09-14 | 2019-07-17 | 포그텍 브란드슈츠 게엠베하 운트 컴파니 카게 | Tubular heating device |
| US11147994B2 (en) | 2015-09-14 | 2021-10-19 | Fogtec Brandschutz Gmbh | Pipe heating installation |
| JP2018100547A (en) * | 2016-12-21 | 2018-06-28 | 積水化学工業株式会社 | Support post reinforcement method and heating system |
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