JPH05146357A - Electric water boiler - Google Patents

Abstract

PURPOSE:To improve a removing rate of chlorine or mold odors or trihalomethane from water in a container, and also improve convenience. CONSTITUTION:The title water boiler is provided with water-feeding pumps 6, 7 having an opening 9 provided in the bottom of a container 1 as an inlet 8, a water-conducting pipe 12 which communicates an outlet 10 of the pump 6 with an opening 11 at an upper part of the container, a water-discharging pipe 15 which communicates an outlet 13 of the pipe 7 with an outlet 14 provided outside of the container, and a clear water filter 16 provided at the upper part inside of the container. The opening 11 is positioned above the filter 16 so as to circulate water in the container 1 through the filter 16 by the pump 6. Also, a hot water supply knob to switch energization to either of the pumps 6, 7, a floating element 19 and stopper 20 put into the water-conducting pipe made of transparent material, and a through hole 21 in a part of an outer housing 2, and in front of the water-conducting pipe are provided.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、収容液体を加熱・保温
し、かつ浄水機能を有する電気湯沸かし器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric water heater which heats and keeps a contained liquid and has a water purifying function.

【０００２】[0002]

【従来の技術】従来のこの種の電気湯沸かし器の浄水方
法は沸騰時間を約３分間延長して行うようにしたものが
提案されていた。2. Description of the Related Art A conventional water purifying method for an electric water heater of this type has been proposed in which the boiling time is extended by about 3 minutes.

【０００３】すなわち、発熱体による加熱を容器内の水
が１００℃に達した後、約３分間は強制的に通電を継続
して沸騰を続けさせ、沸騰により水に含まれる塩素臭や
かび臭およびトリハロメタンを除去して水を浄化させる
方法である。That is, after the water in the container has been heated by the heating element to 100 ° C., the current is forcibly continued for about 3 minutes to continue boiling, and the chlorine smell or musty odor contained in the water due to boiling It is a method of purifying water by removing trihalomethane.

【０００４】[0004]

【発明が解決しようとする課題】しかしながら上記の従
来の構成では、塩素臭やかび臭およびトリハロメタンの
除去率は約７０％で、しかも沸騰蒸気によりゴム製のパ
ッキンや蒸気の排出径路を形成する樹脂製の部品は耐蒸
気性のものを使用しても劣化が早く、製品の耐久性を低
下させるという問題点を有していた。However, in the above-mentioned conventional structure, the removal rate of chlorine odor, musty odor, and trihalomethane is about 70%, and the resin packing that forms the rubber packing and the steam discharge path by boiling steam is used. However, even if a component having steam resistance is used, the component deteriorates quickly, and the durability of the product is deteriorated.

【０００５】本発明は、上記従来の問題点を解決するも
ので、第１の目的として水の味を悪くする塩素臭やかび
臭およびトリハロメタンの除去率を高め、かつ製品の耐
久性を低下させず、また、第２の目的として、浄水時や
保温時の給湯操作を簡単にして使い勝手がよく、しかも
原価を低減でき、さらに第３の目的として、浄水時の動
作を器体外から目視できるようにした電気湯沸かし器を
提供することである。The present invention solves the above-mentioned conventional problems. As a first object thereof, the removal rate of chlorine odor, musty odor and trihalomethane, which make the taste of water bad, is increased, and the durability of the product is not deteriorated. Also, as a second purpose, the hot water supply operation at the time of water purification and heat retention is simple and convenient, and the cost can be reduced. Furthermore, as a third purpose, the operation at the time of water purification can be visually observed from outside the body. Is to provide an electric water heater.

【０００６】[0006]

【課題を解決するための手段】本発明の電気湯沸かし器
は、第１の目的を達成するために、容器の底面に設けた
開口Ａを給入口とした給水ポンプＡおよび給水ポンプＢ
と、給水ポンプＡの吐出口Ａと容器上部の開口Ｂを連通
した導水ポンプと、給水ポンプＢの吐出口Ｂと器体外に
開口した排出口を連通した排水パイプと、容器内の上部
に配設した浄水フィルターを備え、開口Ｂを浄水フィル
ターの上部に位置させて、給水ポンプＡで容器内の水を
浄水フィルターを介して循環させるようにした構成、ま
た第２の目的を達成するために、給水ポンプＡまたは給
水ポンプＢのいずれかへ通電を切り替える給湯つまみを
備えた構成、さらに第３の目的を達成するために透明材
製の導水パイプ内に装入した浮き子および容器の満水線
より上方に配設した浮き子のストッパーと、外装体の一
部に導水パイプの前方に位置した透孔を備えた構成とし
たものである。In order to achieve the first object of the electric water heater of the present invention, a water supply pump A and a water supply pump B having an opening A provided at a bottom surface of a container as an inlet.
And a water-conducting pump that connects the discharge port A of the water supply pump A and the opening B at the upper part of the container, a drain pipe that connects the discharge port B of the water supply pump B and a discharge port that is open to the outside of the body, and In order to achieve the second purpose, the structure is provided with the water purification filter installed, the opening B is located above the water purification filter, and the water in the container is circulated through the water purification filter by the water supply pump A. , A structure provided with a hot water supply knob for switching the electric power supply to either the water supply pump A or the water supply pump B, and a float and a full line of a container loaded in a transparent water pipe to achieve the third object. This is a structure in which a float stopper arranged above and a through hole located in front of the water guiding pipe are provided in a part of the exterior body.

【０００７】[0007]

【作用】これらの構成により湯沸かし中に給水ポンプＡ
を動作させて、容器内の水を浄水フィルターを介して循
環させることとなり、また出湯は任意の時期に給湯つま
みを操作することとなり、かつ駆動電源を共用すること
となり、さらに、導水パイプ内の浮き子の位置で浄水中
を確認することとなる。[Function] With these configurations, the water supply pump A is used during boiling water.
Is operated to circulate the water in the container through the water purification filter, the tap water is operated by the hot water supply knob at any time, and the drive power source is shared. The clean water will be confirmed at the position of the float.

【０００８】[0008]

【実施例】以下、本発明の一実施例について図面を参照
しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

【０００９】図１ないし図３に示すように、外装体２の
内部に配設されている有底筒状の容器１の底部の外面
に、発熱体３を背面板４により押圧固着している。As shown in FIGS. 1 to 3, a heating element 3 is pressed and fixed by a back plate 4 to the outer surface of the bottom of a bottomed cylindrical container 1 disposed inside the exterior body 2. ..

【００１０】容器１の中央底部の外面に、サーミスタな
どで構成した温度検知装置５を固着している。A temperature detecting device 5 composed of a thermistor or the like is fixed to the outer surface of the central bottom of the container 1.

【００１１】給水ポンプＡ６および給水ポンプＢ７を容
器１の底面の下方に配設し、給水ポンプＡ６と給水ポン
プＢ７の共通の給入口８を容器１の底面に設けた開口Ａ
９と連通している。給水ポンプＡ６の吐出口Ａ１０は、
容器１内の上部に配設した浄水フィルター１６の上方に
位置した開口Ｂ１１と透明な材料製の導水パイプ１２で
連通されている。また給水ポンプＢ７の吐出口Ｂ１３
は、器体外に開口した排出口１４と排水パイプ１５で連
通されている。マイクロスイッチ（図示せず）を作動す
る給湯つまみ１７は、外装体２の上面に外部から操作が
できるように配設されている。導水パイプ１２内に配設
したストッパー２０が容器１の満水線（２点鎖線で表
示）より上方の位置で、導水パイプ１２内に装入されて
いる浮き子１９を位置規制している。外装体２の一部
に、導水パイプ１２の前方に位置して透孔２１が設けら
れている。A water supply pump A6 and a water supply pump B7 are arranged below the bottom surface of the container 1, and a common inlet 8 for the water supply pump A6 and the water supply pump B7 is provided on the bottom surface of the container 1 for opening A.
It communicates with 9. The discharge port A10 of the water supply pump A6 is
The opening B11 located above the water purifying filter 16 arranged in the upper part of the container 1 is connected to the water guiding pipe 12 made of a transparent material. In addition, the discharge port B13 of the water supply pump B7
Is communicated with a discharge port 14 opened to the outside of the body by a drain pipe 15. A hot water supply knob 17 for operating a micro switch (not shown) is arranged on the upper surface of the exterior body 2 so as to be operated from the outside. The stopper 20 arranged in the water guiding pipe 12 is located above the water filling line (indicated by a two-dot chain line) of the container 1 to regulate the position of the float 19 inserted in the water guiding pipe 12. A through hole 21 is provided in a part of the exterior body 2 in front of the water conduit 12.

【００１２】次に電気回路について図４を用いて説明す
る。温度検知装置５の情報をマイコン２２で処理して、
リレー２３およびトライアック２４の通電を制御してい
る。発熱体３はマイコン２２を介して電源回路に接続し
ている。吐出口Ａ１０と吐出口１３は並列に接続し、給
湯つまみ１７と駆動電源回路２５およびトライアック２
４を介して電源回路に接続している。Next, the electric circuit will be described with reference to FIG. The information of the temperature detection device 5 is processed by the microcomputer 22,
Energization of the relay 23 and the triac 24 is controlled. The heating element 3 is connected to the power supply circuit via the microcomputer 22. The outlet A10 and the outlet 13 are connected in parallel, and the hot water supply knob 17, the drive power supply circuit 25, and the triac 2 are connected.
4 to the power supply circuit.

【００１３】以上のように構成された電気湯沸かし器に
ついて、以下、その動作を説明する。The operation of the electric water heater configured as described above will be described below.

【００１４】容器１内に液体を収容し、通電を開始する
と温度検知装置５による検知温度が低いときは、発熱体
３に通電され、容器１内の液体が加熱されるとともに、
温度検知装置５の検知温度も上昇する。When the liquid is contained in the container 1 and the energization is started, when the temperature detected by the temperature detecting device 5 is low, the heating element 3 is energized to heat the liquid in the container 1 and
The temperature detected by the temperature detection device 5 also rises.

【００１５】温度検知装置５の温度が浄水開始温度に達
すると、トライアック２４がオンして給水ポンプＡ６に
通電が開始され、容器１内の水は給水ポンプＡ６と導水
パイプ１２を介して浄水フィルター１６上に注がれる。
このとき浄水フィルター１６内で活性炭などの触媒作用
により、水に含まれる塩素臭やかび臭およびトリハロメ
タンが除去される。このようにして浄化された水は再
度、容器１内に戻る。When the temperature of the temperature detecting device 5 reaches the water purification start temperature, the triac 24 is turned on to start energizing the water supply pump A6, and the water in the container 1 passes through the water supply pump A6 and the water pipe 12 to the water purification filter. Poured on 16.
At this time, chlorine odor, musty odor, and trihalomethane contained in water are removed by the catalytic action of activated carbon or the like in the water purification filter 16. The water purified in this way returns to the container 1 again.

【００１６】容器１内の温度が沸騰点に達すると、温度
検知装置５の検知温度でマイコン２２によりリレー２３
をオフして、発熱体３への通電を停止するとともに、マ
イコン２２によりトライアック２４をオフして、給水ポ
ンプＡ６の通電を停止する。When the temperature in the container 1 reaches the boiling point, the temperature detected by the temperature detecting device 5 causes the microcomputer 23 to relay 23.
Is turned off to stop energization of the heating element 3, and the microcomputer 22 turns off the triac 24 to stop energization of the water supply pump A6.

【００１７】また出湯したい時には、任意の時期に給湯
つまみ１７を操作すると、マイクロスイッチ１８が動作
して、給水ポンプＡ６への通電回路から給水ポンプＢ７
への通電回路へ切り替わり、給水ポンプＢ７が動作して
容器１内の水は排水パイプ１５を介して、排出口１４か
ら排出される。Further, when hot water is desired to be discharged, when the hot water supply knob 17 is operated at an arbitrary time, the micro switch 18 is actuated so that the water supply pump A6 is energized by the power supply circuit B7.
Then, the water supply pump B7 operates and the water in the container 1 is discharged from the discharge port 14 through the drain pipe 15.

【００１８】なお、循環中は、導水パイプ１２内に装入
した浮き子１９はストッパー２０により規制される位置
まで上昇し、満水位置より上方に位置する。この位置に
設けた外装体２の表示により、水が循環中であることが
わかる。During the circulation, the float 19 inserted in the water conduit 12 rises to a position regulated by the stopper 20 and is located above the full water position. The display of the exterior body 2 provided at this position indicates that water is circulating.

【００１９】以上のように本実施例によれば、容器１の
底面に設けた開口Ａ９を給入口８とする給水ポンプＡ６
および給水ポンプＢ７と、給水ポンプＡ６の吐出口Ａ１
０と容器上部の開口Ｂ１１とを連結する導水パイプ１２
と、給水ポンプＢ７の吐出口Ｂ１３と排出口１４を連結
する排水パイプ１５と、容器１内の上部に配設した浄水
フィルター１６を設け、開口Ｂ１１を浄水フィルター１
６の上部に設けて、給水ポンプＡ６で容器１内の水を浄
水フィルター１６を介して循環させる構成とすることに
より、浄水フィルター１６内の活性炭などの触媒作用を
利用して水中に含まれる塩素臭やかび臭およびトリハロ
メタンを高度に除去することができるので、従来の浄水
方法のように約３分間の沸騰時間の継続を必要としな
い。このことにより沸騰蒸気によるゴム製のパッキンや
樹脂製の部品の劣化を防止し、製品の耐久性を低下させ
ない効果が得られる。As described above, according to this embodiment, the water supply pump A6 having the opening A9 provided at the bottom surface of the container 1 as the inlet 8 is provided.
And the water supply pump B7 and the discharge port A1 of the water supply pump A6
0 and the conduit B12 connecting the opening B11 at the top of the container
And a drainage pipe 15 connecting the discharge port B13 and the discharge port 14 of the water supply pump B7, and a water purification filter 16 disposed in the upper part of the container 1, and the opening B11 is provided in the water purification filter 1
6 is provided above the water supply pump A6 to circulate the water in the container 1 through the water purification filter 16, so that chlorine contained in the water can be utilized by utilizing the catalytic action of activated carbon in the water purification filter 16. Since the odor, musty odor and trihalomethane can be highly removed, it is not necessary to continue the boiling time of about 3 minutes as in the conventional water purification method. As a result, it is possible to prevent the deterioration of the rubber packing and the resin parts due to the boiling steam and to prevent the durability of the product from being deteriorated.

【００２０】また器体上面に設けた給湯つまみ１７で、
給水ポンプＡ６または給水ポンプＢ７への通電を切り替
える構成とすることにより、出湯は任意の時期に給湯つ
まみ１７を操作することででき、しかも給水ポンプＡ６
と、給水ポンプＢ７の通電を切り替え式にしたことによ
り、駆動電源を共用することができるので安価で使い勝
手のよいものとすることができる。In addition, with the hot water supply knob 17 provided on the upper surface of the body,
With the configuration in which the power supply to the water supply pump A6 or the water supply pump B7 is switched, hot water can be discharged by operating the hot water supply knob 17 at any time, and the water supply pump A6 can be used.
Since the energization of the water supply pump B7 is switched, the driving power source can be shared, so that it can be made inexpensive and easy to use.

【００２１】さらに導水パイプ１２内に浮き子１９を装
入するとともに、容器１の満水線より上方に浮き子１９
のストッパー２０を設け、外装体２の一部に導水パイプ
１２を透視できる透孔２１を設けることにより、導水パ
イプ１２内の浮き子１９の位置が外部より確認でき、し
かも循環浄水中は浮き子１９が送水ポンプＡ６の送水に
より上昇しストッパー２０に当接するので、この位置に
浄水中の表示を設けると、外部から浄水中が簡単に確認
でき使い勝手のよいものとすることができる。Further, the float 19 is loaded into the water pipe 12, and the float 19 is located above the full line of the container 1.
By providing the stopper 20 and the through hole 21 through which the water guiding pipe 12 can be seen in a part of the exterior body 2, the position of the float 19 in the water guiding pipe 12 can be confirmed from the outside, and the float in the circulating purified water can be confirmed. Since 19 is raised by the water supply of the water supply pump A6 and abuts on the stopper 20, it is possible to easily confirm the purified water from the outside by providing an indication of the purified water at this position, which is convenient.

【００２２】[0022]

【発明の効果】以上の実施例の説明からも明らかなよう
に本発明は、容器の底面に設けた開口Ａを給入口とした
給水ポンプＡおよび給水ポンプＢと、給水ポンプＡの吐
出口Ａと容器上部の開口Ｂを連通した導水パイプと、給
水パイプＢの吐出口Ｂと器体外に開口した排出口を連通
した排水パイプと、容器内の上部に配設した浄水フィル
ターを備え、開口Ｂを浄水フィルターの上部に位置させ
て給水ポンプＡで容器内の水を浄水フィルターを介して
循環させるようにした構成、また給水ポンプＡまたは給
水ポンプＢのいずれかへ通電を切り替える給湯つまみを
備えた構成、さらに透明材製の導水パイプ内に装入した
浮き子および容器の満水線より上方に配設した浮き子の
ストッパーと、外装体の一部に導水パイプの前方に位置
した透孔を備えた構成により、水の味を悪くする塩素臭
やかび臭およびトリハロメタンの除去率を高め、かつ製
品の耐久性を低下させず、また、浄水時や保温時の給湯
操作を簡単にして使い勝手がよく、しかも原価を低減で
き、さらに浄水時の動作を器体外から目視できる優れた
電気湯沸かし器を実現できるものである。As is apparent from the above description of the embodiments, the present invention provides the water supply pump A and the water supply pump B having the opening A provided at the bottom surface of the container as the inlet, and the outlet A of the water supply pump A. And a water pipe connecting the opening B at the upper part of the container, a drain pipe connecting the discharge port B of the water supply pipe B and a discharge port opening to the outside of the body, and a water purifying filter arranged at the upper part of the container. Is located above the water purification filter so that the water in the container is circulated through the water purification filter by the water supply pump A, and a hot water supply knob for switching the power supply to either the water supply pump A or the water supply pump B is provided. In addition, it is equipped with a float stopper installed above the water filling line of the float and the container, and a through hole located in front of the water guide pipe in a part of the exterior structure. Was This improves the removal rate of chlorine odors, musty odors and trihalomethanes that make the water unpleasant, and does not reduce the durability of the product.It is also easy to use, and the hot water supply operation during clean water and heat retention is easy to use. It is possible to realize an excellent electric water heater that can reduce the cost and can visually check the operation during water purification from the outside of the container.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の一実施例の電気湯沸かし器の断面略図FIG. 1 is a schematic sectional view of an electric water heater according to an embodiment of the present invention.

【図２】同電気湯沸かし器の外観斜視図FIG. 2 is an external perspective view of the electric water heater.

【図３】同電気湯沸かし器の水路構成の概念を示した断
面略図FIG. 3 is a schematic cross-sectional view showing the concept of the water channel structure of the electric water heater.

【図４】同電気湯沸かし器の電気回路図FIG. 4 is an electric circuit diagram of the electric water heater.

【符号の説明】[Explanation of symbols]

１ 容器 ３ 発熱体 ５ 温度検知装置 ６ 給水ポンプＡ ７ 給水ポンプＢ ８ 給入口 ９ 開口Ａ １０ 吐出口Ａ １１ 開口Ｂ １２ 導水パイプ １３ 吐出口Ｂ １４ 排出口 １５ 排水パイプ １６ 浄水フィルター １７ 給湯つまみ １９ 浮き子 ２０ ストッパー ２１ 透孔 1 Container 3 Heating Element 5 Temperature Detection Device 6 Water Supply Pump A 7 Water Supply Pump B 8 Inlet 9 Opening A 10 Discharge Port A 11 Opening B 12 Water Transfer Pipe 13 Discharge Port B 14 Discharge Port 15 Drain Pipe 16 Clean Water Filter 17 Hot Water Supply Knob 19 Float 20 Stopper 21 Through hole

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】外装体内に設けた有底筒状の容器と、前記
容器の底部の外面に固着させた発熱体と、前記容器の底
面に設けた開口Ａを給入口とする給水ポンプＡおよび給
水ポンプＢと、前記給水ポンプＡの吐出口Ａと前記容器
の上部の開口Ｂとを連通した導水パイプと、前記給水ポ
ンプＢの吐出口Ｂと器体外に開口した排出口を連通した
排水パイプと、前記容器内の上部に配設した浄水フィル
ターと、前記容器の中央底部の外面に固着した温度検知
装置と、前記温度検知装置からの電気的信号で前記発熱
体および前記給水ポンプＡへの通電を制御する制御基板
を備え、前記開口Ｂを前記浄水フィルターの上部に位置
させて、前記給水ポンプＡで前記容器内の水を前記浄水
フィルターを介して循環させるようにした電気湯沸かし
器。1. A bottomed cylindrical container provided in an exterior body, a heating element fixed to the outer surface of the bottom of the container, and a water supply pump A having an opening A provided at the bottom surface of the container as an inlet. A water supply pump B, a water guiding pipe that communicates the discharge port A of the water supply pump A with an opening B in the upper part of the container, and a drain pipe that communicates the discharge port B of the water supply pump B with a discharge port opened outside the body. A water purifying filter disposed in the upper part of the container, a temperature detecting device fixed to the outer surface of the central bottom of the container, and an electric signal from the temperature detecting device to the heating element and the water supply pump A. An electric water heater equipped with a control board for controlling energization, wherein the opening B is located above the water filter, and the water in the container is circulated by the water supply pump A through the water filter. 【請求項２】給水ポンプＡまたは給水ポンプＢのいずれ
かへ通電を切り替える給湯つまみを備えた請求項１記載
の電気湯沸かし器。2. The electric water heater according to claim 1, further comprising a hot water supply knob for switching the power supply to either the water supply pump A or the water supply pump B. 【請求項３】透明材製の導水パイプ内に装入した浮き子
および容器の満水線より上方に配設した浮き子のストッ
パーと、外装体の一部に前記導水パイプの前方に位置し
た透孔を備えた請求項１記載の電気湯沸かし器。3. A float stopper inserted in a transparent pipe made of transparent material and a float stopper arranged above the water filling line of the container, and a transparent member positioned in front of the transparent pipe in a part of the exterior body. The electric water heater according to claim 1, which is provided with a hole.