JP2004057573A - Heated toilet seat - Google Patents

Heated toilet seat Download PDF

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Publication number
JP2004057573A
JP2004057573A JP2002221498A JP2002221498A JP2004057573A JP 2004057573 A JP2004057573 A JP 2004057573A JP 2002221498 A JP2002221498 A JP 2002221498A JP 2002221498 A JP2002221498 A JP 2002221498A JP 2004057573 A JP2004057573 A JP 2004057573A
Authority
JP
Japan
Prior art keywords
toilet seat
thickness
outer layer
layer
inner 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
Application number
JP2002221498A
Other languages
Japanese (ja)
Inventor
Yoshifumi Sugiyama
杉山 好文
Tetsuya Abe
阿部 哲弥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Housetec Inc
Original Assignee
Housetec Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Housetec Inc filed Critical Housetec Inc
Priority to JP2002221498A priority Critical patent/JP2004057573A/en
Publication of JP2004057573A publication Critical patent/JP2004057573A/en
Pending legal-status Critical Current

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a heated toilet seat by which the outer front surface of the toilet seat is heated up to proper temperature in a comparatively short time after energization, and the rise/reduction of set temperature in the heated toilet seat is controlled in excellent response. <P>SOLUTION: The shell 10 of the heated toilet seat includes an outer layer 1 made of a synthetic resin at the side of a front surface which is not more than 1mm in thickness, and an inner layer 2 which is formed of a material with a heat conductivity being higher than that of the outer layer so as to have a thickness being equal to or thicker than that of the outer layer, and also to which a heat source 5 is made contact. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、温水洗浄装置の便座などに使用する暖房便座に関する。
【0002】
【従来の技術】
従来この種の暖房便座として図3に示すように、厚さ3mm程度の肉厚に形成したアクリロニトリル−ブタジエン−スチレン樹脂(ABS樹脂)又はポリプロピレン樹脂の成形品による外郭10の内側に、アルミ箔11(厚さ0.3〜0.4mm程度)を介して熱源5であるヒータを張り付ける層構成として、便座表面を昇温させるようにしたものが知られている。
【0003】
しかし、従来の技術で述べた暖房便座は、比較的熱伝導率の低いABS樹脂やポリプロピレン樹脂などの合成樹脂を用い、便座の強度面の配慮から肉厚を厚く形成しているため、便座の外郭10に触れる人体に熱源5からの熱が伝わりにくく、通電してから外郭表面側が適温になるまでに時間を要する。
このため、便座の未使用時には電源を切り、使用時に通電するといった省エネルギー制御が難しい問題を有していた。
【0004】
【発明が解決しようとする課題】
本発明は、通電後比較的短時間で便座の外郭表面を適温に加温することができて、暖房便座設定温度の上昇下降をレスポンスよく制御することができる暖房便座を提供しようとするものである。
【0005】
【課題を解決するための手段】
本発明は、次のものに関する。
(1)外郭の内側からの発熱体による熱源で外郭表面に接する人体を暖房する暖房便座において、前記外郭は、厚さ1mm以下の表面側の合成樹脂からなる外層と、この外層よりも熱伝導率が高い材料で、外層と略同等の肉厚又は外層の肉厚よりも厚く形成され前記熱源が当接する内層を設けた暖房便座。
(2)内層が、金属フィラ−を混合分散させた合成樹脂からなる上記(1)記載の暖房便座。
(3)内層が、金属板からなる上記(1)記載の暖房便座。
【0006】
【作用】
厚さ1mm以下の表面側の合成樹脂からなる外層と、この外層よりも熱伝導率が高い材料で、外層と略同等の肉厚又は外層の肉厚よりも厚く形成された内層とを備える層構成の外郭とし、外層と略同等の肉厚又は外層の肉厚よりも厚く形成した内層により便座としての強度を確保して熱伝導率の低い外層を1mm以下の厚さに薄くすることによって、内層に当接する熱源からの熱が、熱伝導率は低いもののその厚さが1mm以下と薄いため外層の表面側にも通電後比較的短い時間で伝わって加温される。
【0007】
【発明の実施の形態】
本発明による暖房便座の外層には、比較的熱伝導率が低く且つ人体の肌触りをよくするために、ABS樹脂、ポリプロピレン樹脂、セルロイドなどを使用し、その肉厚は、肌触りを保つために必要な層として1mm以下に形成する。なお、肉厚が1mmを越えると、外層表面側への熱源からの熱の伝導にかなり時間がかかって、通電後短時間で便座の外郭表面を適温にすることが難しくなる。
外層は肌触りが保てればその肉厚はできるだけ薄くするのが好ましい。
【0008】
内層は、この内層に当接して設ける熱源からの熱を外層側に導き易く、外層の表面の温度むらを少なくするため、外層よりも熱伝導率が高く、且つ熱容量の大きい材料を使用する。
内層の材料としては、アルミニウム板又は銅板などの金属板、又は、熱伝導率を高めるためにアルミニウムなどの金属フィラーを混合分散させた合成樹脂が使用される。
内層の肉厚は、外層と併せて便座としての強度が保てるように、外層の肉厚が1.0mmの場合は、1.0〜2.0mm程度の厚さに形成される。
なお、外層と内層のみで便座としての強度が不足する場合には、内層の内側にさらに合成樹脂などによる裏面層を設けるようにしてもよい。
【0009】
【実施例】
以下、本発明による暖房便座の実施例を図1乃至図2により説明する。
図1は暖房便座の平面図、図2は図1中のA−A断面部紛における本発明の実施例による暖房便座の断面図である。
図2において、暖房便座の外郭10は、熱伝導率の低い比較的安価で成形し易いポリプロピレン樹脂(熱伝導率0.15〜0.2W/m・K)により肌触りを保つために肉厚1.0mmとした表面側の外層1と、この内側に外層1と同じポリプロピレン樹脂の基材に熱伝導率を高めるためのアルミニウムの粒状のフィラ−を混合分散させて形成した肉厚1.5mmの内層2(熱伝導率50W/m・K程度)とを一体成形により形成し、さらに、内層2の内側にポリプロピレン樹脂による肉厚1.0mmの裏面層3を接着により張り付ける層構成とした。
裏面層3に設けた溝3aには、面積が広く内層2との接触面積が大きくとれるパターンヒータからなる熱源5を当接して設けた。
なお、熱源5のヒータは、内層2を金属のような導電性の材料で構成する場合は、外皮をシリコンや塩化ビニル樹脂などの絶縁性の材質で覆うようにする必要がある。
【0010】
裏面層3及び外層1と底フタ4とは、図2中に示すA部分の溶剤による接着や溶着などにより接合される。
【0011】
【発明の効果】
以上説明したように、本発明の暖房便座によれば、便座の外郭を、厚さ1mm以下の表面側の合成樹脂からなる外層と、この外層よりも熱伝導率が高い材料で、外層と略同等の肉厚又は外層の肉厚よりも厚く形成され熱源が当接する内層を設けた構成としており、熱源が当接される内層を外層と略同等の肉厚又は外層の肉厚よりも厚く形成することで内層によって便座としての強度を確保することで、熱伝導率の低い外層の厚さを1mm以下と薄くすることができ、外層表面側の設定温度の上昇下降が従来の便座よりもレスポンスよく制御することができるようになり、熱源(ヒータ)の熱を無駄無く便座表面に導くことができるため、節電が行え省エネ効果が期待できる。
また、トイレに入る前に通電すること無く入室と同時に通電しても冷感を感じることなく便座に座ることができるようになる。
【図面の簡単な説明】
【図1】暖房便座の平面図である。
【図2】図1のA−A断面部における本発明の暖房便座の実施例による断面図である。
【図3】従来例による暖房便座の断面図である。
【符号の説明】
1 外層          2 内層
3 裏面層         3a 溝
4 底フタ         5 熱源(ヒータ)
10 外郭         11 アルミ箔
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a heating toilet seat used for a toilet seat or the like of a hot water washing device.
[0002]
[Prior art]
Conventionally, as shown in FIG. 3, as a heating toilet seat of this type, an aluminum foil 11 is provided inside an outer shell 10 made of a molded article of acrylonitrile-butadiene-styrene resin (ABS resin) or polypropylene resin having a thickness of about 3 mm. As a layer configuration in which a heater serving as a heat source 5 is attached via a thickness of about 0.3 to 0.4 mm, a configuration in which the surface of the toilet seat is heated is known.
[0003]
However, the heating toilet seat described in the prior art uses a synthetic resin such as an ABS resin or a polypropylene resin having a relatively low thermal conductivity and is made thicker in consideration of the strength of the toilet seat. It is difficult for heat from the heat source 5 to be transmitted to the human body touching the shell 10, and it takes time from when power is supplied to when the outer surface of the shell reaches an appropriate temperature.
Therefore, there has been a problem that it is difficult to perform energy saving control such as turning off the power when the toilet seat is not used and turning on the power when the toilet seat is used.
[0004]
[Problems to be solved by the invention]
The present invention aims to provide a heating toilet seat that can heat the outer surface of the toilet seat to an appropriate temperature in a relatively short time after energization, and can control rising and falling of the heating toilet seat set temperature with good response. is there.
[0005]
[Means for Solving the Problems]
The present invention relates to the following.
(1) In a heating toilet seat for heating a human body in contact with the outer surface with a heat source from a heating element from the inner side of the outer surface, the outer surface has an outer layer made of a synthetic resin on the surface side having a thickness of 1 mm or less, and heat conduction more than this outer layer A heating toilet seat which is made of a material having a high rate, is formed to have a thickness substantially equal to the thickness of the outer layer or is thicker than the thickness of the outer layer, and is provided with an inner layer in contact with the heat source.
(2) The heating toilet seat according to the above (1), wherein the inner layer is made of a synthetic resin in which a metal filler is mixed and dispersed.
(3) The heating toilet seat according to (1), wherein the inner layer is made of a metal plate.
[0006]
[Action]
A layer comprising an outer layer made of a synthetic resin on the surface side having a thickness of 1 mm or less, and an inner layer formed of a material having a higher thermal conductivity than the outer layer and having a thickness substantially equal to or larger than the thickness of the outer layer. The outer shell of the configuration, by securing the strength as a toilet seat by the inner layer formed to be substantially the same thickness as the outer layer or thicker than the outer layer, by thinning the outer layer having a low thermal conductivity to a thickness of 1 mm or less, Although the heat from the heat source in contact with the inner layer has a low thermal conductivity but a thin thickness of 1 mm or less, the heat is transmitted to the surface side of the outer layer in a relatively short time after energization and heated.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
For the outer layer of the heating toilet seat according to the present invention, ABS resin, polypropylene resin, celluloid, etc. are used in order to have relatively low thermal conductivity and to improve the touch of the human body, and the thickness thereof is necessary to keep the touch. Layer of less than 1 mm. If the thickness exceeds 1 mm, it takes a considerable time to conduct heat from the heat source to the outer layer surface side, and it becomes difficult to make the outer surface of the toilet seat an appropriate temperature in a short time after energization.
It is preferable that the thickness of the outer layer be as thin as possible if the touch can be maintained.
[0008]
The inner layer is made of a material having a higher thermal conductivity and a larger heat capacity than the outer layer in order to easily conduct heat from a heat source provided in contact with the inner layer to the outer layer side and to reduce temperature unevenness on the surface of the outer layer.
As a material of the inner layer, a metal plate such as an aluminum plate or a copper plate, or a synthetic resin in which a metal filler such as aluminum is mixed and dispersed to increase thermal conductivity is used.
When the thickness of the outer layer is 1.0 mm, the inner layer is formed to have a thickness of about 1.0 to 2.0 mm so as to maintain the strength of the toilet seat together with the outer layer.
When the outer layer and the inner layer alone have insufficient strength as a toilet seat, a back layer made of a synthetic resin or the like may be further provided inside the inner layer.
[0009]
【Example】
An embodiment of a heating toilet seat according to the present invention will be described below with reference to FIGS.
FIG. 1 is a plan view of a heating toilet seat, and FIG. 2 is a cross-sectional view of the heating toilet seat according to an embodiment of the present invention in AA cross section powder in FIG.
In FIG. 2, the outer shell 10 of the heating toilet seat is made of a relatively inexpensive, easily heat-moldable polypropylene resin (heat conductivity of 0.15 to 0.2 W / m · K) having a low heat conductivity so as to maintain a soft touch. The outer layer 1 having a thickness of 1.5 mm was formed by mixing and dispersing an outer layer 1 on the front side having a thickness of 0.0 mm and a granular filler of aluminum for increasing the thermal conductivity on the same polypropylene resin substrate as the outer layer 1. An inner layer 2 (with a thermal conductivity of about 50 W / m · K) was formed by integral molding, and a back layer 3 having a thickness of 1.0 mm made of polypropylene resin was adhered to the inner side of the inner layer 2 by adhesion.
A heat source 5 composed of a pattern heater having a large area and a large contact area with the inner layer 2 was provided in contact with the groove 3 a provided in the back surface layer 3.
When the inner layer 2 of the heater of the heat source 5 is made of a conductive material such as metal, it is necessary to cover the outer skin with an insulating material such as silicon or vinyl chloride resin.
[0010]
The back surface layer 3 and the outer layer 1 and the bottom lid 4 are joined by bonding or welding of the portion A shown in FIG. 2 with a solvent.
[0011]
【The invention's effect】
As described above, according to the heating toilet seat of the present invention, the outer periphery of the toilet seat is formed of an outer layer made of a synthetic resin on the surface side having a thickness of 1 mm or less, and a material having a higher thermal conductivity than this outer layer. The inner layer to which the heat source abuts is formed so as to be thicker than the thickness of the outer layer or the same thickness as the outer layer. By securing the strength of the toilet seat by the inner layer, the thickness of the outer layer with low thermal conductivity can be reduced to 1 mm or less, and the rise and fall of the set temperature on the outer layer surface side is more responsive than the conventional toilet seat. Since the control can be performed well, and the heat of the heat source (heater) can be led to the surface of the toilet seat without waste, power can be saved and an energy saving effect can be expected.
In addition, even if the power is turned on at the same time as entering the room without energizing before entering the toilet, the user can sit on the toilet seat without feeling a cold feeling.
[Brief description of the drawings]
FIG. 1 is a plan view of a heating toilet seat.
FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 according to an embodiment of the heating toilet seat of the present invention.
FIG. 3 is a cross-sectional view of a conventional heating toilet seat.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Outer layer 2 Inner layer 3 Back layer 3a Groove 4 Bottom lid 5 Heat source (heater)
10 shell 11 aluminum foil

Claims (3)

外郭の内側からの発熱体による熱源で外郭表面に接する人体を暖房する暖房便座において、前記外郭は、厚さ1mm以下の表面側の合成樹脂からなる外層と、この外層よりも熱伝導率が高い材料で、外層と略同等の肉厚又は外層の肉厚よりも厚く形成され前記熱源が当接する内層を設けた暖房便座。In a heating toilet seat that heats a human body in contact with the outer surface with a heat source from a heating element from the inner side of the outer shell, the outer shell has an outer layer made of a synthetic resin on the surface side having a thickness of 1 mm or less, and has a higher thermal conductivity than this outer layer. A heating toilet seat which is formed of a material and has a thickness substantially equal to the thickness of the outer layer or a thickness greater than the thickness of the outer layer, and is provided with an inner layer in contact with the heat source. 内層が、金属フィラ−を混合分散させた合成樹脂からなる請求項1記載の暖房便座。2. The heating toilet seat according to claim 1, wherein the inner layer is made of a synthetic resin in which a metal filler is mixed and dispersed. 内層が、金属板からなる請求項1記載の暖房便座。The heating toilet seat according to claim 1, wherein the inner layer is made of a metal plate.
JP2002221498A 2002-07-30 2002-07-30 Heated toilet seat Pending JP2004057573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006118276A1 (en) * 2005-04-28 2006-11-09 Matsushita Electric Industrial Co., Ltd. Heated toilet seat and toilet device using the same
KR100949590B1 (en) * 2007-11-30 2010-03-25 주식회사 삼홍테크 Covering structure for toliet seat of bidet
JP2012045170A (en) * 2010-08-26 2012-03-08 Panasonic Electric Works Co Ltd Toilet seat
CN102379655A (en) * 2010-09-01 2012-03-21 Toto株式会社 Warm water closet
JP2014018283A (en) * 2012-07-13 2014-02-03 Panasonic Corp Toilet seat and method for manufacturing the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006118276A1 (en) * 2005-04-28 2006-11-09 Matsushita Electric Industrial Co., Ltd. Heated toilet seat and toilet device using the same
KR100949590B1 (en) * 2007-11-30 2010-03-25 주식회사 삼홍테크 Covering structure for toliet seat of bidet
JP2012045170A (en) * 2010-08-26 2012-03-08 Panasonic Electric Works Co Ltd Toilet seat
CN102379655A (en) * 2010-09-01 2012-03-21 Toto株式会社 Warm water closet
JP2014018283A (en) * 2012-07-13 2014-02-03 Panasonic Corp Toilet seat and method for manufacturing the same

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