JP4067008B2 - Heating toilet seat - Google Patents

Heating toilet seat Download PDF

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JP4067008B2
JP4067008B2 JP2005126049A JP2005126049A JP4067008B2 JP 4067008 B2 JP4067008 B2 JP 4067008B2 JP 2005126049 A JP2005126049 A JP 2005126049A JP 2005126049 A JP2005126049 A JP 2005126049A JP 4067008 B2 JP4067008 B2 JP 4067008B2
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toilet seat
temperature
seating
heating
toilet
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JP2006296909A (en
JP2006296909A5 (en
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誠 西村
雅篤 井上
英穂 篠田
満之 古林
英彦 新田
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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本発明は、暖房機能を有する便座に関するものである。   The present invention relates to a toilet seat having a heating function.

従来のこの種の暖房便座には、面状のヒーターを便座内に埋設するか、便座裏面に貼り付けている(例えば特許文献1参照)。   In this type of conventional heated toilet seat, a planar heater is embedded in the toilet seat or attached to the back of the toilet seat (see, for example, Patent Document 1).

図5は、前記公報に記載された、従来の暖房便座を示すものである。図5に示すように、便座本体1の断面形状は、上方に向かって膨出され、しかも、上面がその内周縁および外周縁に向けてゆるやかに傾斜する形状となっており、さらに、裏面には合成樹脂あるいはゴム製の当片2が所要の間隔を空けて設けられていた。   FIG. 5 shows a conventional heated toilet seat described in the publication. As shown in FIG. 5, the sectional shape of the toilet seat body 1 is bulged upward, and the top surface is gently inclined toward the inner and outer peripheral edges. In this case, a piece 2 made of synthetic resin or rubber is provided with a predetermined interval.

また、便座本体1の上面には、導電材料を両面より絶縁シートで覆った可撓性の面発熱体3が貼着又は便座本体1の表面に露出させた状態で便座本体1に埋設する等して設けられていた。この面発熱体3は、所定のパターンに印刷配線を形成し、表面に合成樹脂シートを貼着することにより構成されていた。   Further, a flexible surface heating element 3 in which a conductive material is covered with an insulating sheet from both sides is attached to the upper surface of the toilet seat body 1 or is embedded in the toilet seat body 1 while being exposed on the surface of the toilet seat body 1. Was provided. The surface heating element 3 is configured by forming printed wiring in a predetermined pattern and sticking a synthetic resin sheet on the surface.

4は便座本体1の上面に設けた面発熱体3上を被覆するようにして便座本体1上に被着されたポリアミドあるいはポリエステル等の合成樹脂からなる絶縁樹脂層である。   Reference numeral 4 denotes an insulating resin layer made of a synthetic resin such as polyamide or polyester, which is coated on the toilet seat body 1 so as to cover the surface heating element 3 provided on the upper surface of the toilet seat body 1.

絶縁樹脂層4が薄膜状に構成されているので、便座本体1の上面に設けた面発熱体3に通電を行うことにより、便座本体1を加温することなく直ちに人体の要部を適温で暖めることができ、ヒーターを常時通電させておいて便座を加温させておく必要がなく、非常に省エネになるものである。
実開昭59−194897号公報
Since the insulating resin layer 4 is formed in a thin film shape, by energizing the surface heating element 3 provided on the upper surface of the toilet seat body 1, the main part of the human body is immediately heated to an appropriate temperature without heating the toilet seat body 1. It can be warmed up, and it is not necessary to keep the toilet seat warm by always energizing the heater, which is very energy saving.
Japanese Utility Model Publication No.59-194897

しかしながら、冬季などトイレの室温が低い場合には、便座の使用温度まで昇温するまで多少時間がかかるため、期待した暖感覚が得られずに不快である。仮に春秋でトイレ室温が15℃の場合と真冬のトイレ室温が5℃の場合では便座の使用温度の35℃に上昇するまでの時間は10秒と15秒とになる。トイレ入室から同じ10秒後に着座すると冬場では25℃の座面に座ることになり冷たく不快である。トイレに入室した使用者が便座に着座するまでの時間は数秒程度であるが、安全面での配慮や消費電力の制約により、使用者が着座するまでに便座の使用温度まで瞬時に昇温するのは困難であった。また逆に、温度変化が速すぎると昇温中に着座した場合には実際の温度よりも熱く感じて不快であるため、適正な昇温速度に制御する必要がある。本発明は、前記従来の課題を解決するもので、トイレの室温が低い場合においても座面を速やかに使用温度まで昇温し、快適に使用できる暖房便座を提供することを目的とする。   However, when the room temperature of the toilet is low, such as in winter, it takes some time to raise the temperature to the use temperature of the toilet seat, which is uncomfortable without the expected warm feeling. If the toilet room temperature is 15 ° C. in spring and autumn and the toilet room temperature in mid-winter is 5 ° C., the time until the toilet seat usage temperature rises to 35 ° C. is 10 seconds and 15 seconds. If you sit 10 seconds after entering the toilet room, you will sit on a seat at 25 ° C in the winter and will be cold and uncomfortable. The time required for a user entering the toilet to sit on the toilet seat is only a few seconds, but due to safety considerations and power consumption constraints, the temperature rises to the toilet seat's operating temperature instantly before the user is seated. It was difficult. On the other hand, if the temperature change is too fast, it will be uncomfortable to feel hotter than the actual temperature when seated during the temperature rise, so it is necessary to control the temperature to an appropriate temperature rise rate. An object of the present invention is to solve the conventional problems described above, and an object of the present invention is to provide a heated toilet seat that can be used comfortably by quickly raising the seating surface to the use temperature even when the room temperature of the toilet is low.

前記従来の課題を解決するために、本発明の便座装置は、便座と、前記便座の少なくとも使用者の皮膚が接触する着座面を加温する発熱体と、便座の温度検出手段と、人体の便座への接近を検知する人体検知手段と、前記発熱体への通電を制御する制御部と、使用者の便座への着座を検知する着座検知手段を備え、前記制御部は便座を所定の保温温度で保温待機し、人体検知がなされると前記保温温度から体温に近い使用温度まで昇温制御するとともに、着座を検知した時の前記温度検知手段の検出温度に応じて着座後の昇温速度を変化させるものである。 In order to solve the above conventional problems, the toilet seat apparatus of the present invention, the toilet seat and a heating element for heating at least a seating surface for the user's skin contacts the toilet seat, a temperature detector of the toilet seat, a human body Human body detection means for detecting the approach to the toilet seat, a control unit for controlling energization to the heating element, and a seating detection means for detecting the user's seating on the toilet seat, wherein the control unit holds the toilet seat at a predetermined temperature. When the human body is detected, the temperature rise control is performed from the heat retention temperature to the use temperature close to the body temperature, and the temperature rise rate after sitting according to the temperature detected by the temperature detecting means when seating is detected. Is something that changes.

所定温度より低くならないように便座を保温しているので、使用者がトイレに入室して便座に着座するまでの数秒間で、便座を体温に近い適温に昇温するので、冬季などのトイレ室温が低い場合においても室温に影響されること無く、期待した暖感覚を得られるので快適である。また、着座検出直後の座面の温度に応じて昇温速度を変化させることにより、人体検知から着座までの時間が短くて便座温度が低い場合には高い昇温速度を維持し、逆に使用温度に近い場合には昇温速度を下げることにより使用者が不安や不快に感じることがない。   Since the toilet seat is kept warm so that it does not fall below the predetermined temperature, the temperature of the toilet seat is raised to an appropriate temperature close to the body temperature within a few seconds until the user enters the toilet and sits on the toilet seat. Even when the temperature is low, the expected warm feeling can be obtained without being affected by the room temperature. Also, by changing the heating rate according to the temperature of the seating surface immediately after detection of seating, when the time from human body detection to seating is short and the toilet seat temperature is low, a high heating rate is maintained and used in reverse. When the temperature is close, the user does not feel uneasy or uncomfortable by lowering the heating rate.

第1の発明は、便座と、前記便座の少なくとも使用者の皮膚が接触する着座面を加温する発熱体と、便座の温度検出手段と、人体の便座への接近を検知する人体検知手段と、前記発熱体への通電を制御する制御部と、使用者の便座への着座を検知する着座検知手段を備え、前記制御部は便座を所定の保温温度で保温待機し、人体検知がなされると前記保温温度から体温に近い使用温度まで昇温制御するとともに、着座を検知した時の前記温度検知手段の検出温度に応じて着座後の昇温速度を変化させることにより、使用者のトイレへの入室を検知してから短時間で体温に近い使用温度まで便座の温度が上昇するので、冬季などのトイレ室温が低い場合においても室温に影響されること無く一定の時間で座面を速やかに使用温度まで昇温するので快適である。 First invention comprises a toilet seat, a heating element for heating at least a seating surface for the user's skin contacts the toilet seat, a temperature detector of the toilet seat, and the human body detecting means for detecting the approach of the human body of the toilet seat A control unit that controls energization of the heating element and a seating detection unit that detects seating of the user on the toilet seat, and the control unit waits to warm the toilet seat at a predetermined temperature to detect a human body. To the user's toilet by changing the temperature rising speed after sitting according to the temperature detected by the temperature detecting means when the sitting is detected. Since the temperature of the toilet seat rises to the operating temperature close to the body temperature in a short time after the entrance of the toilet is detected, even if the toilet room temperature is low, such as in winter, the seat surface can be quickly moved without being affected by the room temperature. Raise the temperature to the working temperature It is comfortable.

また、着座検出直後の座面の温度に応じて昇温速度を変化させることにより、人体検知から着座までの時間が短くて便座温度が低い場合には高い昇温速度を維持し、逆に使用温度に近い場合には昇温速度を下げることにより使用者が不安や不快に感じることがない。   Also, by changing the heating rate according to the temperature of the seating surface immediately after detection of seating, when the time from human body detection to seating is short and the toilet seat temperature is low, a high heating rate is maintained and used in reverse. When the temperature is close, the user does not feel uneasy or uncomfortable by lowering the heating rate.

第2の発明は、第1の発明において、人体検知から着座検知までの経過時間に応じて着座後の昇温速度を変化させることにより、便座温度の上昇速度に対して便座の温度検知の応答遅れが生じる場合においても、経過時間から温度を予測することにより、正確に発熱体への通電を制御することができる。 According to a second invention, in the first invention, the temperature detection response of the toilet seat is changed with respect to the rising speed of the toilet seat temperature by changing the temperature rising speed after the seating according to the elapsed time from the human body detection to the seating detection. Even when a delay occurs, the current supply to the heating element can be accurately controlled by predicting the temperature from the elapsed time.

第3の発明は、第1の発明の保温温度を使用者が予め任意に設定可能とすることにより、使用者の着座までの時間の個人差や生活パターンあるいは省エネ意識に合わせて保温温度を任意に選ぶことができるので快適で経済的である。   In the third aspect of the invention, the user can arbitrarily set the warming temperature of the first invention in advance, so that the warming temperature can be arbitrarily set in accordance with individual differences in the time until seating of the user, lifestyle patterns, or energy conservation awareness. You can choose to be comfortable and economical.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、本実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the present embodiment.

(実施の形態1)
図1は本発明の第1の実施の形態における温水洗浄機能付き暖房便座の斜視図を示すものであり、図2は便座22の一部切り欠き平面図を示すものであり、図3は同実施例の便座22の要部断面図を示すものである。
(Embodiment 1)
FIG. 1 shows a perspective view of a heated toilet seat with a hot water washing function in the first embodiment of the present invention, FIG. 2 shows a partially cutaway plan view of the toilet seat 22, and FIG. The principal part sectional drawing of the toilet seat 22 of an Example is shown.

図において、トイレ室内に設置した便器20に本体21が取り付けられており、この本体21に便座22および便蓋23が回動自在に設けられている。また、本体21の袖部24には赤外線透過部が設けられ、その内側には人体の着座を検知する着座検知手段である赤外線センサー25が内装されている。また、便器20を設置したトイレ室の壁面には、赤外線により便座20に近づく人体を検知する人体検知手段10と、便座22の保温温度を設定する温度調節手段11が設置してあり、本体21内に設置した制御部(図示せず)と電気的に接続している。   In the figure, a main body 21 is attached to a toilet 20 installed in a toilet room, and a toilet seat 22 and a toilet lid 23 are rotatably provided on the main body 21. The sleeve portion 24 of the main body 21 is provided with an infrared transmitting portion, and an infrared sensor 25 serving as a seating detecting means for detecting seating of a human body is provided inside the sleeve portion 24. Further, on the wall surface of the toilet room in which the toilet bowl 20 is installed, a human body detecting means 10 for detecting a human body approaching the toilet seat 20 by infrared rays and a temperature adjusting means 11 for setting a heat retaining temperature of the toilet seat 22 are installed. It is electrically connected to a control unit (not shown) installed inside.

図2、図3に示すように、便座22は、合成樹脂製の上ケース26と下ケース27のそれぞれの内周縁および外周縁を接合固定することにより、内部に空洞部28を有する構造となっている。その空洞部28の内部には便座22の着座部に対向して、アルミ板を鏡面仕上げした輻射反射板29と輻射型発熱体であるランプヒーター30とが設けられている。   As shown in FIGS. 2 and 3, the toilet seat 22 has a structure having a hollow portion 28 by bonding and fixing the inner peripheral edge and the outer peripheral edge of each of the upper case 26 and the lower case 27 made of synthetic resin. ing. Inside the cavity 28, a radiation reflecting plate 29 having a mirror finished aluminum plate and a lamp heater 30 which is a radiation type heating element are provided facing the seating portion of the toilet seat 22.

輻射反射板29の端部は全周にわたり上方への折り曲げ部を有しており、その折り曲げ部によりランプヒーター30からの熱輻射が偏向されるので、ランプヒーター30から離れている外周縁部および内周縁部の輻射密度を上げるように作用し、上ケース26への輻射分布の均一化を図っている。   The end portion of the radiation reflecting plate 29 has an upward bent portion over the entire circumference, and since the heat radiation from the lamp heater 30 is deflected by the bent portion, an outer peripheral edge portion away from the lamp heater 30 and It acts to increase the radiation density of the inner peripheral edge, and the radiation distribution to the upper case 26 is made uniform.

ランプヒーター30の近傍には、ランプヒーター30と直列に電気接続したサーモスタット31および温度ヒューズ32が設けられ、万一の不安全事態に対して温度過昇を防止するよう作用する。   A thermostat 31 and a thermal fuse 32 that are electrically connected in series with the lamp heater 30 are provided in the vicinity of the lamp heater 30 and act to prevent an excessive temperature rise in the event of an unsafe situation.

また、上ケース26の内面に設けられた凹部にはサーミスタ33がはめ込まれており、このサーミスタ33の信号に基づいて採暖面の温度が所定の温度になるようランプヒーター30への通電を制御する制御器(図示せず)が本体21に設けられている。   In addition, a thermistor 33 is fitted in a recess provided on the inner surface of the upper case 26, and energization to the lamp heater 30 is controlled based on a signal from the thermistor 33 so that the temperature of the warming surface becomes a predetermined temperature. A controller (not shown) is provided in the main body 21.

図4は上ケース26の要部断面図であり、上ケース26は透明ポリプロピレン樹脂材料を用いて射出成形で構成された上ケース本体37の上面に、カーボンブラックを多量に含有する輻射熱吸収層38を塗装し、さらにその上に表面硬度、耐薬品性能、光沢等を考慮した表面化粧層39を塗装したものである。   FIG. 4 is a cross-sectional view of the main part of the upper case 26. The upper case 26 has a radiant heat absorption layer 38 containing a large amount of carbon black on the upper surface of the upper case body 37 formed by injection molding using a transparent polypropylene resin material. Is coated with a surface decorative layer 39 in consideration of surface hardness, chemical resistance, gloss and the like.

以上のように構成された暖房便座について、以下その動作、作用を説明する。   About the heating toilet seat comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

まず、温度調節手段11により設定された保温温度で保温待機状態となっているランプヒーター30は、使用者がトイレに入室した場合、人体検知手段10がそれを検知し、その信号によりランプヒーター30への通電が増強される。これにより投入エネルギーは増強され瞬時に輻射エネルギーに変換され、ガラス管34および輻射反射板29を経て上ケース本体37の方向に放射される。   First, the lamp heater 30 that is in the warming standby state at the warming temperature set by the temperature adjusting means 11 is detected by the human body detecting means 10 when the user enters the toilet, and the lamp heater 30 is detected by the signal. Energization to is increased. As a result, the input energy is increased and instantly converted into radiant energy, which is radiated in the direction of the upper case body 37 through the glass tube 34 and the radiation reflector 29.

輻射エネルギーは上ケース本体37の内部で一部吸収あるいは反射されるが、その大半は透過し輻射熱吸収層38および表面化粧層39の昇温に寄与し、便座22の着座部の採暖面を毎秒約2K(ケルビン)の速度で加温することができる。上ケース26の温度が使用温度に到達するとサーミスタ33が検知し、その信号により制御部はランプヒーター30への通電を制御する。   The radiant energy is partially absorbed or reflected inside the upper case body 37, but most of it is transmitted and contributes to the temperature rise of the radiant heat absorption layer 38 and the surface decorative layer 39. Heating can be performed at a rate of about 2K (Kelvin). When the temperature of the upper case 26 reaches the operating temperature, the thermistor 33 detects, and the control unit controls energization to the lamp heater 30 by the signal.

また、昇温中に早く使用者が着座したときは、着座検知手段である赤外線センサー25がそれを検知し、着座時の便座温度が28℃以上では便座の通電率を50%に下げ毎秒1K(ケルビン)とすることにより、人体から座面への熱の供給により便座の温度が急激に上昇することを防止し、不安や不快を感じることがない。   In addition, when the user is seated early during the temperature rise, the infrared sensor 25 serving as a seating detection means detects this, and when the seat temperature at the time of seating is 28 ° C. or higher, the energization rate of the seat is lowered to 50% and 1K per second. By using (Kelvin), the temperature of the toilet seat is prevented from rapidly rising due to the supply of heat from the human body to the seating surface, and anxiety and discomfort are not felt.

以上のように、本実施の形態においてはトイレの室温が低下している場合においても、便座は温度調節手段により設定された保温温度(例えば18℃)で保温しているので、気温が下がる冬場においても使用温度との温度差は一定以下となり、トイレ室温に影響されずに常に10秒程度で体温よりやや高い快適な暖感覚を得ることができる。   As described above, in the present embodiment, even when the room temperature of the toilet is lowered, the toilet seat is kept warm at the warming temperature set by the temperature adjusting means (for example, 18 ° C.), so the winter time when the temperature falls The temperature difference from the use temperature is less than a certain value, and a comfortable warm sensation slightly higher than the body temperature can always be obtained in about 10 seconds without being affected by the toilet room temperature.

また、昇温途中で早めに着座しても使用者が早い温度変化を熱すぎて不快や不安に感じることがない。   Also, even if the user sits early during the temperature rise, the user does not feel uncomfortable or anxious because the rapid temperature change is too hot.

また、保温温度のレベルは使用の実態に応じて任意にその段階を選択できるので、快適で経済的である。   In addition, since the level of the heat insulation temperature can be arbitrarily selected according to the actual condition of use, it is comfortable and economical.

なお、本実施の形態においては、温度調節手段を設置し保温温度を任意に設定可能としたが、これは必須の要件ではなく、保温温度を一定温度に設定することにより、よりシンプルな構成と使い勝手を実現することができる。   In the present embodiment, the temperature control means is installed and the heat retention temperature can be arbitrarily set, but this is not an essential requirement, and by setting the heat retention temperature to a constant temperature, a simpler configuration can be achieved. Usability can be realized.

本発明の暖房便座は、保温機能を設けることにより、室温に影響されること無く一定の時間で座面を速やかに使用温度まで昇温することが可能であるので、使用者が頻繁に使用場所を離れる場所で使用する暖房器具に適用することが可能である。   The heating toilet seat according to the present invention is capable of quickly raising the seating surface to the use temperature in a certain time without being affected by the room temperature by providing a heat retaining function. It is possible to apply to a heater used in a place away from.

本発明の実施の形態1における暖房便座の斜視図The perspective view of the heating toilet seat in Embodiment 1 of this invention 本発明の実施の形態1における暖房便座の一部切り欠き平面図The partially cutaway plan view of the heating toilet seat according to Embodiment 1 of the present invention 本発明の実施の形態1における暖房便座の要部断面図Sectional drawing of the principal part of the heating toilet seat in Embodiment 1 of this invention 本発明の実施の形態1における暖房便座の上ケースの要部断面図Sectional drawing of the principal part of the upper case of the heating toilet seat in Embodiment 1 of this invention 従来の暖房便座の要部断面図Cross section of the main part of a conventional heated toilet seat

符号の説明Explanation of symbols

10 人体検知手段
22 便座
25 赤外線センサー(着座検知手段)
30 ランプヒーター(発熱体)
33 サーミスタ(温度検出手段)
10 human body detection means 22 toilet seat 25 infrared sensor (sitting detection means)
30 Lamp heater (heating element)
33 Thermistor (temperature detection means)

Claims (3)

便座と、前記便座の少なくとも使用者の皮膚が接触する着座面を加温する発熱体と、便座の温度検出手段と、人体の便座への接近を検知する人体検知手段と、前記発熱体への通電を制御する制御部と、使用者の便座への着座を検知する着座検知手段を備え、前記制御部は便座を所定の保温温度で保温待機し、人体検知がなされると前記保温温度から体温に近い使用温度まで昇温制御するとともに、着座を検知した時の前記温度検知手段の検出温度に応じて着座後の昇温速度を変化させる暖房便座。 A toilet seat, a heating element the skin of at least a user of the toilet seat to heat the seating surface in contact, a temperature detector of the toilet seat, and the human body detecting means for detecting the approach of the human body of the toilet seat, to the heating element A control unit for controlling energization and seating detection means for detecting the user's seating on the toilet seat; the control unit waits for the toilet seat to be kept warm at a predetermined warming temperature; A heating toilet seat that controls the temperature rise to a use temperature close to 2 and changes the rate of temperature rise after sitting according to the temperature detected by the temperature detecting means when seating is detected. 人体検知から着座検知までの経過時間に応じて着座後の昇温速度を変化させる請求項1に記載の暖房便座。 The heating toilet seat according to claim 1, wherein the heating rate after sitting is changed according to an elapsed time from human body detection to seating detection. 保温温度は、使用者が予め任意に設定を可能とした請求項1に記載の暖房便座。 The heating toilet seat according to claim 1, wherein the user can arbitrarily set the warming temperature in advance.
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JP2006296909A5 JP2006296909A5 (en) 2007-03-15
JP4067008B2 true JP4067008B2 (en) 2008-03-26

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JP2012205844A (en) * 2011-03-30 2012-10-25 Toto Ltd Heating toilet seat device

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