JP2001263818A - Water heater - Google Patents
Water heaterInfo
- Publication number
- JP2001263818A JP2001263818A JP2000074018A JP2000074018A JP2001263818A JP 2001263818 A JP2001263818 A JP 2001263818A JP 2000074018 A JP2000074018 A JP 2000074018A JP 2000074018 A JP2000074018 A JP 2000074018A JP 2001263818 A JP2001263818 A JP 2001263818A
- Authority
- JP
- Japan
- Prior art keywords
- water
- water supply
- storage container
- full
- heating
- 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
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
- Cookers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は水などを貯水容器に
貯めて加熱、保温を行う給湯装置で、貯水容器に給水し
ても吐出するお湯の温度は所定温度以上を維持する手段
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water supply apparatus for storing and heating water or the like in a water storage container and for maintaining the temperature of hot water discharged from the water storage container at a predetermined temperature or higher even when the water is supplied to the water storage container. is there.
【０００２】[0002]
【従来の技術】従来の方法では、例えば「特公平０６−
７７５４０」に記載される内容のように、貯水タンク内
の水位を複数レベルで検出するセンサが、所定の水位低
下を検出すると給水し、水位が所定量上昇すると給水を
中断し、中断中にタンク内の水を所定の温度まで加熱
し、満タンまで繰り返して、常に定温の湯を供給する、
といったものがある。2. Description of the Related Art In a conventional method, for example, "
77540 ", a sensor that detects the water level in the water storage tank at a plurality of levels detects a predetermined decrease in the water level, supplies water when the water level rises by a predetermined amount, and interrupts the water supply. Heat the water inside to a predetermined temperature, repeat until it is full, always supply hot water at a constant temperature,
There is something like that.
【０００３】[0003]
【発明が解決しようとする課題】しかし上記の方法では
貯水タンク内の水位を複数レベルで検出するセンサが必
要であ。故に、一回の給水量を少なくして所定温度以上
の水の増加サイクルを短くするには、精度の良い水位セ
ンサあるいは一点水位検知のセンサを複数個設ける必要
があり、コストが高くなるといった課題があった。ま
た、貯水タンクへ給水する際に供給水の流勢により、あ
らかじめ貯水タンク内に貯えられていた高温の水と給水
した水が混合されて水温が低下してしまうといった課題
があった。However, the above method requires a sensor for detecting the water level in the water storage tank at a plurality of levels. Therefore, in order to reduce the amount of water supply at one time and shorten the cycle of increasing water at a predetermined temperature or more, it is necessary to provide a plurality of accurate water level sensors or sensors for detecting one-point water level, resulting in an increase in cost. was there. In addition, when supplying water to the water storage tank, there is a problem that due to the flow of the supply water, the high-temperature water previously stored in the water storage tank and the supplied water are mixed to lower the water temperature.
【０００４】本発明はこれらの課題を解決し、安価な構
成で給水しても貯湯タンク内のお湯の温度が低下するこ
となく、貯湯量を満水まで増量することが可能な給湯装
置を提供することを目的とする。[0004] The present invention solves these problems, and provides a hot water supply device capable of increasing the amount of hot water stored in the hot water storage tank to the full level without lowering the temperature of the hot water in the hot water storage tank even when the water is supplied with an inexpensive configuration. The purpose is to:
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
の本願第１の発明は、貯水容器と、この貯水容器の水量
が満水であることを検知する満水検知手段と、前記貯水
容器に貯えられる水を加熱する加熱手段と、前記貯水容
器に水を供給する際に一旦水を貯める給水バッファと、
この給水バッファの水を自然落下により貯水容器の水面
上へ供給し落下流量が所定量以下の給水パイプと、前記
給水バッファへの水の供給路を開閉する給水手段と、前
記給水バッファへの給水量を検出する給水量検出手段
と、前記貯水容器の水を吐出する吐出ポンプと、前記貯
水容器内の水の温度を検出する温度検出手段と、前記満
水検知手段の検出結果が満水でなければ給水弁を駆動し
て給水を開始すると共に、前記加熱手段を駆動して加熱
を行い、前記満水検知手段の検出結果が満水になると給
水および加熱を停止する第一の給水加熱制御手段とから
構成することを特徴とする。これにより貯湯容器の水の
温度を所定温度以上に保ちながら貯水量を増量すること
ができる。According to a first aspect of the present invention, there is provided a water storage container, means for detecting that the amount of water in the water storage container is full, and storage in the water storage container. Heating means for heating the water to be supplied, a water supply buffer for temporarily storing water when supplying water to the water storage container,
A water supply pipe that supplies the water in the water supply buffer onto the water surface of the water storage container by natural fall and that has a falling flow rate equal to or less than a predetermined amount, water supply means that opens and closes a water supply path to the water supply buffer, and water supply to the water supply buffer Water supply amount detecting means for detecting an amount, a discharge pump for discharging water in the water storage container, a temperature detecting means for detecting a temperature of water in the water storage container, and a detection result of the full water detecting means is not full if the detection result is not full. A water supply valve is driven to start water supply, the heating means is driven to perform heating, and the first water supply heating control means is configured to stop water supply and heating when the detection result of the full water detection means becomes full. It is characterized by doing. Thereby, the amount of water stored can be increased while maintaining the temperature of the water in the hot water storage container at a predetermined temperature or higher.
【０００６】本願第２の発明は、貯水容器と、この貯水
容器の水量が満水であることを検知する満水検知手段
と、前記貯水容器に貯えられる水を加熱する加熱手段
と、前記貯水容器に水を供給する際に一旦水を貯める給
水バッファと、この給水バッファから水の自然落下によ
り貯水容器の底部へ水を供給する給水パイプと、外部の
給水源から前記給水バッファへの水の供給路を開閉する
給水手段と、前記貯水容器の水を吐出する吐出ポンプ
と、前記貯水容器の底部より高い位置から水を引き出し
前記吐出ポンプに供給する吐出パイプと、前記貯水容器
内の水の温度を検出する温度検出手段と、前記満水検知
手段の検出結果が満水ではなく、且つ前記温度検出手段
の検出値が第一の所定値以上であれば前記給水手段を駆
動して給水を開始し、前記温度検出手段の検出値が第二
の所定値以下になると給水を停止すると共に、前記温度
検出手段の検出値が第一の所定値未満の間は前記加熱手
段を駆動して加熱を行う第二の給水加熱制御手段とから
構成することを特徴とする。これにより吐出ポンプによ
り吐出される水の温度を所定温度以上に保ちながら貯水
量を増量することができる。The second invention of the present application is directed to a water storage container, a full water detecting means for detecting that the amount of water in the water storage container is full, a heating means for heating the water stored in the water storage container, and a water storage container. A water supply buffer for temporarily storing water when supplying water, a water supply pipe for supplying water from the water supply buffer to the bottom of the water storage container by natural fall of water, and a water supply path from an external water supply source to the water supply buffer A water supply means for opening and closing, a discharge pump for discharging water from the water storage container, a discharge pipe for drawing water from a position higher than a bottom of the water storage container and supplying the water to the discharge pump, and controlling a temperature of water in the water storage container. If the temperature detection means to be detected and the detection result of the full water detection means is not full and the detection value of the temperature detection means is equal to or more than a first predetermined value, the water supply means is driven to start water supply, and When the detected value of the temperature detecting means is equal to or less than the second predetermined value, the water supply is stopped, and while the detected value of the temperature detecting means is less than the first predetermined value, the heating means is driven to perform the second heating. And water supply heating control means. Thus, the water storage amount can be increased while maintaining the temperature of the water discharged by the discharge pump at a predetermined temperature or higher.
【０００７】本願第３の発明は、貯水容器と、この貯水
容器の水量が満水であることを検知する満水検知手段
と、前記貯水容器に貯えられる水を加熱する加熱手段
と、前記貯水容器に水を供給する際に一旦水を貯める給
水バッファと、この給水バッファから水の自然落下によ
り貯水容器の底部へ水を供給し落下流量が所定量以下の
給水パイプと、外部の給水源から前記給水バッファへの
水の供給路を開閉する給水手段と、前記給水バッファへ
の給水量を検出する給水量検出手段と、前記貯水容器の
水を吐出する吐出ポンプと、前記貯水容器の底部より高
い位置から水を引き出し前記吐出ポンプに供給する吐出
パイプと、前記貯水容器内の水の温度を検出する温度検
出手段と、前記満水検知手段の検出結果が満水ではな
く、且つ前記温度検出手段の検出値が第一の所定値以上
であれば前記給水手段を駆動して給水を開始し、前記給
水量検出手段により検出される給水量が所定量になると
給水を停止する共に、給水開始と同時に加熱手段を駆動
して加熱を開始して、前記温度検出手段の検出値が第一
の所定値未満の間は前記加熱手段を駆動して加熱を行う
第三の給水加熱制御手段とから構成することを特徴とす
る。これにより、給水源の水圧変動などの影響による給
水流量の変動に関わらず、貯水容器への一回の給水量を
一定にできるので、吐出ポンプから吐出される水の温度
を所定温度以上に保ちながら貯水容器内の水量を増量す
ることができる。The third invention of the present application is directed to a water storage container, a full water detecting means for detecting that the water volume of the water storage container is full, a heating means for heating water stored in the water storage container, and a water storage container. A water supply buffer for temporarily storing water when supplying water, a water supply pipe that supplies water to the bottom of the water storage container by a natural fall of the water from the water supply buffer and has a falling flow rate of a predetermined amount or less, and the water supply from an external water supply source. Water supply means for opening and closing a water supply path to the buffer, water supply amount detection means for detecting the water supply amount to the water supply buffer, a discharge pump for discharging water from the water storage container, and a position higher than the bottom of the water storage container A discharge pipe that draws water from the discharge pump and supplies the discharge pump to the discharge pump; a temperature detection unit that detects a temperature of the water in the water storage container; If the detected value is equal to or greater than the first predetermined value, the water supply means is driven to start water supply, and when the water supply amount detected by the water supply amount detection means reaches a predetermined amount, water supply is stopped, and water supply is started. At the same time, the heating means is driven to start heating, and while the detected value of the temperature detecting means is less than the first predetermined value, the heating means is driven to heat the third water supply heating means. It is characterized by doing. This makes it possible to maintain a constant amount of water supplied to the water storage container regardless of fluctuations in the water supply flow rate caused by fluctuations in the water pressure of the water supply source, etc., so that the temperature of the water discharged from the discharge pump is maintained at a predetermined temperature or higher. The amount of water in the water storage container can be increased while increasing the amount of water.
【０００８】本願第４の発明は、前記第１〜第３の発明
において給水バッファは貯水容器内に装着されているこ
とを特徴とする。これによりコンパクトに実現すること
ができる。また蒸気などの熱を給水バッファで吸収し
て、補給水の水に伝達するので簡易な熱回収システムが
構成され熱効率の良い給湯装置が実現できる本願第５の
発明は、前記第４の発明において給水バッファは断熱性
の高い材料あるいは構造でできていることを特徴とす
る。これにより貯水容器の水の放熱を低減することがで
きる。In a fourth aspect of the present invention, the water supply buffer according to the first to third aspects is mounted in a water storage container. Thereby, it can be realized compactly. Further, the fifth invention of the present application, in which the heat of steam or the like is absorbed by the water supply buffer and transmitted to the makeup water, so that a simple heat recovery system is configured and a water heater with high thermal efficiency can be realized, The water supply buffer is characterized by being made of a highly heat-insulating material or structure. Thereby, the heat radiation of the water in the water storage container can be reduced.
【０００９】本願第６の発明は、前記第４の発明におい
て貯水容器の側面と給水バッファとの隙間を一部分に限
定する構成とし、貯湯容器の上面を覆う蓋に設けた蒸気
抜き口を、前記の隙間から離れた位置に設けていること
を特徴とする。これにより沸騰時に熱湯が蒸気抜き口か
ら噴出することを防止することができる。In a sixth aspect of the present invention, in the fourth aspect, the gap between the side surface of the water storage container and the water supply buffer is limited to a part, and the steam vent provided in the lid for covering the upper surface of the hot water storage container is provided. Is provided at a position away from the gap. Thereby, it is possible to prevent the hot water from spouting from the steam vent at the time of boiling.
【００１０】本願第７の発明は、前記第４の発明におい
て、給水バッファは上部が開放で給水バッファへの給水
量が給水バッファの貯水量を超えると、開放部から溢水
して貯水タンクに注水される構成で、満水検知手段によ
る検出値が満水を示すまで給水手段を駆動して給水を行
う第四の給水加熱制御手段とから構成されることを特徴
とする。電源投入時の貯水容器内の水量に関わらず安定
した動作を行うことができる。また貯水容器の洗浄時な
どに迅速に貯水容器に給水することができる。According to a seventh aspect of the present invention, in the fourth aspect, when the upper portion of the water supply buffer is open and the amount of water supplied to the water supply buffer exceeds the amount of water stored in the water supply buffer, the water overflows from the open portion and is injected into the water storage tank. And a fourth water supply heating control unit that drives the water supply unit to supply water until the value detected by the full water detection unit indicates that the water is full. A stable operation can be performed regardless of the amount of water in the water storage container when the power is turned on. Further, water can be quickly supplied to the water storage container when the water storage container is washed.
【００１１】本願第８の発明は、前記第１〜第６の発明
において、給水パイプ内をスムーズに水が流れるように
給水パイプ内の空気などを抜くガス抜き手段を設けてあ
ることを特徴とする。給水パイプ内の空気が抜けないた
めに給水バッファの水が貯水容器へ供給されずに給水バ
ッファに滞留する問題を解消し、安定した給水動作が可
能となる。According to an eighth aspect of the present invention, in the first to sixth aspects of the present invention, a gas releasing means for removing air or the like in the water supply pipe is provided so that water flows smoothly in the water supply pipe. I do. This eliminates the problem that the water in the water supply buffer is not supplied to the water storage container and stays in the water supply buffer because the air in the water supply pipe does not escape, and a stable water supply operation can be performed.
【００１２】[0012]
【００１３】[0013]
【実施例】（実施例１）実施例１について図１、図２を
もとに説明する。水道の蛇口１から分岐水栓２により水
道水を分岐して給湯装置の給水手段３に給水ホース４が
接続されている。給水手段３から給水管５を経て給水バ
ッファ６に給水される構成となっている。給水量検出手
段は、流量に比例して回転数が変化する磁石でできた回
転翼と、この回転翼の回転をパルス信号に変換するホー
ル素子と、このホール素子のパルス信号をカウントする
カウンタと、時間を計る計時手段とから構成されてお
り、計時手段で計る給水時間とパルス数から給水量を求
められる。給水バッファ６の底部には給水パイプ８が接
続されており、給水バッファ６に供給される水の自然落
下で給水パイプ７を経由して貯水容器９に給水される。
吐出ポンプ１０は吐出パイプ１１より供給される水を吐
出口１２に吐出する。満水検知手段１３は貯水容器の底
に接続された透明な連通管１４に満水の高さに設置さ
れ、フォトダイオード１５とフォトトランジスタ１６が
連通管１４を挟んで対向するようになっている。連通管
の中には不透明の浮き玉１７が挿入されており、貯水容
器８に給水した時に浮き玉１７が満水の高さに到達する
とフォトダイオードの光が浮き玉に遮られてフォトトタ
ンジスタに届かないのでフォトトランジスタがオフの状
態となる。これによって満水検知が行われる。貯水容器
８の底裏にはヒータなどの加熱手段１８が備えられてい
る。また貯水容器８の低裏に設置されているサーミスタ
等で成る温度検出手段１９が貯水容器８の水の温度を検
出する。給水加熱制御手段１９には給水手段３、加熱手
段１８、満水検知手段１３、温度検出手段１９、給水量
検出手段７、吐出ポンプ１０が接続されており、給水手
段３の開閉、加熱手段１８のオン・オフ、満水の検知、
水温の検出、給水量の検出、吐出ポンプ１０のオン・オ
フが可能となっている。(Embodiment 1) Embodiment 1 will be described with reference to FIGS. Tap water is branched from a tap faucet 1 by a branch faucet 2 and a water supply hose 4 is connected to a water supply means 3 of the water heater. Water is supplied from the water supply means 3 to the water supply buffer 6 via the water supply pipe 5. The water supply amount detection means includes a rotor made of a magnet whose rotation speed changes in proportion to the flow rate, a Hall element that converts the rotation of the rotor into a pulse signal, and a counter that counts the pulse signal of the Hall element. And a time measuring means for measuring the time, and the water supply amount can be obtained from the water supply time and the number of pulses measured by the time measuring means. A water supply pipe 8 is connected to the bottom of the water supply buffer 6, and water is supplied to the water storage container 9 via the water supply pipe 7 by natural fall of water supplied to the water supply buffer 6.
The discharge pump 10 discharges water supplied from a discharge pipe 11 to a discharge port 12. The full-water detecting means 13 is installed at a level of full water in a transparent communication pipe 14 connected to the bottom of the water storage container, and a photodiode 15 and a phototransistor 16 are opposed to each other with the communication pipe 14 interposed therebetween. An opaque floating ball 17 is inserted into the communication pipe, and when the floating ball 17 reaches the full water level when water is supplied to the water storage container 8, the light of the photodiode is blocked by the floating ball and the photototist is released. Since it does not reach, the phototransistor is turned off. In this way, full water detection is performed. A heating means 18 such as a heater is provided on the back of the bottom of the water storage container 8. Further, a temperature detecting means 19 such as a thermistor installed at the lower back of the water storage container 8 detects the temperature of the water in the water storage container 8. The water supply heating control means 19 is connected to the water supply means 3, the heating means 18, the full water detection means 13, the temperature detection means 19, the water supply amount detection means 7, and the discharge pump 10. On / off, full water detection,
The detection of the water temperature, the detection of the water supply amount, and the turning on / off of the discharge pump 10 are possible.
【００１４】給水加熱制御手段２０は、満水検知手段
１３の検知結果が満水ではなく且つ、温度検出手段１９
の検出値が所定温度Ｔ１以上の場合は、給水手段３を駆
動して給水路を開けて給水する。給水開始後に給水量
検出手段２０の検出値が所定値Ｖになると給水手段３を
駆動して給水路を閉じ給水を停止する。そして加熱手
段１８を駆動して貯水容器８の水を加熱する。温度検
出手段１９の検出値が所定温度Ｔ１以上に達すると加熱
手段１８の駆動を止め加熱を停止する。〜の行程を
繰り返すことによって所定温度Ｔ２以上の水を満水まで
貯めることができる。尚、吐出ポンプ１０による出湯
は、図示していない操作入力信号を給水加熱制御手段２
０が受けることにより、吐出ポンプ１０を駆動して行わ
れる。The water supply heating control means 20 determines that the detection result of the full water detection means 13 is not full and the temperature detection means 19
If the detected value is equal to or higher than the predetermined temperature T1, the water supply means 3 is driven to open the water supply passage to supply water. When the detection value of the water supply amount detection means 20 reaches the predetermined value V after the start of water supply, the water supply means 3 is driven to close the water supply passage and stop water supply. Then, the heating means 18 is driven to heat the water in the water storage container 8. When the detected value of the temperature detecting means 19 reaches the predetermined temperature T1 or more, the driving of the heating means 18 is stopped and the heating is stopped. By repeating the steps (1) to (3), water having a temperature equal to or higher than the predetermined temperature T2 can be stored until it is full. It should be noted that the tapping of the hot water by the discharge pump 10 is performed by sending an operation input signal (not shown) to the feedwater heating control means 2.
By receiving 0, the discharge pump 10 is driven.
【００１５】次に給水バッファ６の役割を説明する。給
水パイプ７の流路断面積は給水バッファ６の水の自然落
下の流量が所定値以下になるように設定されている。図
２は給水パイプ７の断面積と水の自然落下の流量との関
係、および加熱状態で給水した場合の落下流量と貯水容
器９の水の温度低下速度の関係を表している。この図に
示すように落下流量が(ａ)点以下ならば貯水容器８の水
温は低下することがない。よって給水パイプ７の断面積
を所定値（図中(ｂ)）以下にすれば良いことが分かる。Next, the role of the water supply buffer 6 will be described. The flow path cross-sectional area of the water supply pipe 7 is set so that the flow rate of the natural fall of the water in the water supply buffer 6 becomes equal to or less than a predetermined value. FIG. 2 shows the relationship between the cross-sectional area of the water supply pipe 7 and the flow rate of natural fall of water, and the relationship between the fall flow rate when water is supplied in a heated state and the temperature drop rate of water in the water storage container 9. As shown in this figure, if the falling flow rate is below the point (a), the water temperature of the water storage container 8 does not decrease. Therefore, it is understood that the cross-sectional area of the water supply pipe 7 should be smaller than a predetermined value ((b) in the figure).
【００１６】（実施例２）実施例２について図３をもと
に説明する。この実施形態では給水バッファ６の底部に
接続されている給水パイプ８は貯水容器９の底部にまで
達していて給水は貯水容器９の底部に流し込まれる。(Embodiment 2) Embodiment 2 will be described with reference to FIG. In this embodiment, the water supply pipe 8 connected to the bottom of the water supply buffer 6 reaches the bottom of the water storage container 9, and the water supply flows into the bottom of the water storage container 9.
【００１７】また吐出パイプ１１は貯水容器９の水を吐
出ポンプ１０に導く役目を成すが、その給水口２１は貯
水容器９の底部より高い位置にあり、その位置より低い
部分の水は吐出されない構造となっている。また給水加
熱制御手段２０は、満水検知手段１３の検知結果が否
満水で且つ、温度検出手段１９の検出値が所定温度Ｔ１
以上の場合は、給水手段３を駆動して給水路を開けて給
水する。給水開始後に温度検出手段１９の検出値が所
定温度Ｔ２以下になると給水手段３を駆動して給水路を
閉じ給水を停止する。そして加熱手段１８を駆動して
貯水容器８の底部に供給された水を加熱する。温度検
出手段１９の検出値が所定温度Ｔ１以上に達すると加熱
手段１８の駆動を止め加熱を停止する。〜の行程を
繰り返すことによって所定温度Ｔ１以上の水を満水まで
貯めることができる。の行程で給水水位が給水口２１
より低い位置になるように給水口２１を設定することに
より、あらかじめ貯水容器に貯まっている高温の水と補
給される低温の水が混合することなく、吐出ポンプ１０
により吐出される水の温度は所定値以上を保ちながら満
水まで貯水量を増量することができる。その他の構成、
動作は実施例１と同様である。The discharge pipe 11 serves to guide the water in the water storage container 9 to the discharge pump 10, but the water supply port 21 is located at a position higher than the bottom of the water storage container 9, and the water below the position is not discharged. It has a structure. Further, the feed water heating control means 20 determines that the detection result of the full water detection means 13 is no water full and the detection value of the temperature detection means 19 is a predetermined temperature T1
In the above case, the water supply means 3 is driven to open the water supply passage to supply water. When the detection value of the temperature detecting means 19 becomes equal to or lower than the predetermined temperature T2 after the start of water supply, the water supply means 3 is driven to close the water supply passage and stop water supply. Then, the heating means 18 is driven to heat the water supplied to the bottom of the water storage container 8. When the detected value of the temperature detecting means 19 reaches the predetermined temperature T1 or more, the driving of the heating means 18 is stopped and the heating is stopped. By repeating the steps (1) to (4), water having a temperature equal to or higher than the predetermined temperature T1 can be stored until the water is full. Water level is water inlet 21 in the process of
By setting the water supply port 21 so as to be at a lower position, the high-temperature water previously stored in the water storage container and the low-temperature water to be supplied do not mix, and the discharge pump 10
The temperature of the discharged water can be maintained at a predetermined value or more, and the water storage amount can be increased until the water is full. Other configurations,
The operation is the same as in the first embodiment.
【００１８】（実施例３）実施例３について図４をもと
に説明する。この実施形態では、給水手段３から給水バ
ッファ６への給水経路、即ち給水管５の途中に給水量検
出手段２０が設置されている。この給水量検出手段は給
水加熱制御手段に接続されている。給水加熱制御手段は
前記満水検知手段の検出結果が満水ではなく、且つ前記
温度検出手段の検出値が第二の所定値以上であれば前記
給水手段を駆動して給水を開始し、給水量検出手段によ
る給水量が所定値になると給水を停止する共に、給水開
始と同時に加熱手段を駆動して加熱を開始して、前記温
度検出手段の検出値が一旦第二の所定値以下になった後
に再び第二の所定値以上に到達すると加熱を停止する制
御を行う。これにより給水源の水圧変動などに関わらず
給水バッファへの１回の給水量を一定量に保つことがで
きるので、給水口１１の設置高さを最低限に設定するこ
とができる。これにより吐出ポンプ１０で吐出不可能な
水を最低量にすることができ、貯水容器をコンパクトに
構成することができる。その他の構成は実施例２と同様
である。(Embodiment 3) Embodiment 3 will be described with reference to FIG. In this embodiment, a water supply path from the water supply means 3 to the water supply buffer 6, that is, a water supply amount detection means 20 is provided in the middle of the water supply pipe 5. The water supply amount detection means is connected to the water supply heating control means. The water supply heating control means starts the water supply by driving the water supply means if the detection result of the full water detection means is not full and the detection value of the temperature detection means is equal to or more than a second predetermined value, and detects the water supply amount. The water supply is stopped when the amount of water supplied by the means reaches a predetermined value, and heating is started by driving the heating means simultaneously with the start of water supply, and after the detection value of the temperature detection means once becomes equal to or less than the second predetermined value, When the temperature reaches the second predetermined value or more again, control to stop heating is performed. As a result, the amount of water supplied to the water supply buffer at one time can be kept constant irrespective of fluctuations in the water pressure of the water supply source, so that the installation height of the water supply port 11 can be set to the minimum. As a result, the amount of water that cannot be discharged by the discharge pump 10 can be minimized, and the water storage container can be made compact. Other configurations are the same as those of the second embodiment.
【００１９】（実施例４）実施例４について図５をもと
に説明する。この実施形態では貯水容器は蓋で覆われて
いるが、湯沸かし時に蓋に設けられた蒸気抜き口から熱
湯が噴出しないように、満水時の水面と蓋との間に一定
の距離を設けている。給水バッファ６は、この一定の距
離の間に納まるように設置されている。これによりコン
パクトに実現することができる。また蒸気などの熱を給
水バッファで吸収して、補給水の水に伝達するので簡易
な熱回収システムが構成され熱効率の良い給湯装置が実
現できる。その他の構成は上記実施例１〜４と同様であ
る。(Embodiment 4) Embodiment 4 will be described with reference to FIG. In this embodiment, the water storage container is covered with a lid, but a certain distance is provided between the water surface when the water is full and the lid so that hot water does not squirt from a steam vent provided in the lid when boiling water. . The water supply buffer 6 is installed so as to fit within this fixed distance. Thereby, it can be realized compactly. In addition, since heat such as steam is absorbed by the water supply buffer and transmitted to the makeup water, a simple heat recovery system is configured, and a water heater with high thermal efficiency can be realized. Other configurations are the same as those of the first to fourth embodiments.
【００２０】（実施例５）実施例５について図６をもと
に説明する。この実施形態では給水バッファは上ケース
２５と下ケース２６とで密閉空間を形成し、空気断熱層
としている。これにより貯水容器内の熱が上方の蓋方向
へ放熱されるのを低減できる。その他の構成は上記実施
例１〜３と同様である。(Embodiment 5) Embodiment 5 will be described with reference to FIG. In this embodiment, the water supply buffer forms a closed space between the upper case 25 and the lower case 26 and serves as an air heat insulating layer. Thereby, the heat in the water storage container can be reduced from being dissipated toward the upper lid. Other configurations are the same as those of the first to third embodiments.
【００２１】（実施例６）実施例６について図７をもと
に説明する。この実施形態では、貯水容器の側面と給水
バッファとの隙間を一部分に限定する構成とし、ガス抜
き口をその隙間から離れた位置に設けている。これによ
り沸騰により水面より噴出する熱湯を図中の矢印のよ
うに蓋で勢いを止めて給水バッファから貯水容器に戻す
ことができる。蒸気は図中の矢印のように蒸気抜き口
から外部へ放出される。これにより沸騰時に熱湯が蒸気
抜き口から噴出することを防止することができる。その
他の構成は前記実施例１〜３と同様である。(Embodiment 6) Embodiment 6 will be described with reference to FIG. In this embodiment, the gap between the side surface of the water storage container and the water supply buffer is limited to a part, and the gas vent is provided at a position away from the gap. As a result, the hot water spouting from the water surface due to boiling can be stopped by the lid as shown by the arrow in the drawing and returned from the water supply buffer to the water storage container. The steam is released to the outside from the steam vent as shown by the arrow in the figure. Thereby, it is possible to prevent the hot water from spouting from the steam vent at the time of boiling. Other configurations are the same as those of the first to third embodiments.
【００２２】（実施例７）実施例７について図７をもと
に説明する。この実施形態では、給水バッファは上部が
開放の受け皿形状をしていて給水バッファへの給水流量
の方が給水パイプを通じて貯水タンクへ供給される流量
より多いため、給水を続けるといずれ給水バッファの容
量を超えて、開放部から溢水して貯水タンクに注水され
る。給水加熱手段は図示していない電源を投入した時な
ど、給水手段３を駆動して給水を開始し、満水検知手段
による検出値が満水を示すと給水手段３を駆動して給水
を停止する制御を行う。これにより電源投入直前の貯水
容器内の水量に関わらず安定した初期動作が可能であ
る。また貯水容器の洗浄時などに使用者が図示していな
い給水操作入力により給水を意図した場合に、迅速に貯
水容器に給水することができる。(Embodiment 7) Embodiment 7 will be described with reference to FIG. In this embodiment, the water supply buffer has a tray shape with an open top, and the flow rate of water supplied to the water supply buffer is greater than the flow rate supplied to the water storage tank through the water supply pipe. Over the opening, water overflows from the opening and is injected into the water storage tank. When the power supply (not shown) is turned on, the water supply heating means drives the water supply means 3 to start water supply, and controls the water supply means 3 to stop water supply when the detection value by the full water detection means indicates full water. I do. Thus, a stable initial operation can be performed regardless of the amount of water in the water storage container immediately before turning on the power. Further, when the user intends to supply water by a water supply operation input (not shown) at the time of washing the water storage container, the water can be quickly supplied to the water storage container.
【００２３】その他の構成は前記実施例１〜３と同様で
ある。Other configurations are the same as those of the first to third embodiments.
【００２４】（実施例８）実施例８について図８をもと
に説明する。この実施形態では給水バッファに取り付け
られている給水パイプの上端側面にガス抜き手段として
ガス抜き穴が設けられている。これにより給水バッファ
の水が給水パイプを通過する際に給水パイプ内の空気が
ガス抜き穴から抜け出るために、給水パイプ内をスムー
ズに水が通過して貯水容器に供給することができる。(Eighth Embodiment) An eighth embodiment will be described with reference to FIG. In this embodiment, a gas vent hole is provided as a gas vent in the upper end side surface of a water supply pipe attached to a water supply buffer. Thereby, when the water in the water supply buffer passes through the water supply pipe, the air in the water supply pipe escapes from the gas vent hole, so that the water can smoothly pass through the water supply pipe and be supplied to the water storage container.
【００２５】[0025]
【発明の効果】本願第１の発明によれば、給水バッファ
に設けた給水パイプの断面積を適当に設定することで、
加熱しながら給水を行った場合に貯水容器にあらかじめ
貯えられている水の温度が所定温度以上に保つように給
水流量を制御することができる。よって貯水容器の水の
温度を所定温度以上に保ちながら貯水量を増量して満水
状態にできる給湯装置を実現できる。According to the first aspect of the present invention, by appropriately setting the cross-sectional area of the water supply pipe provided in the water supply buffer,
When the water is supplied while heating, the flow rate of the supplied water can be controlled so that the temperature of the water previously stored in the water storage container is maintained at a predetermined temperature or higher. Therefore, it is possible to realize a hot water supply device capable of increasing the water storage amount and keeping the water in a full state while maintaining the temperature of the water in the water storage container at or above the predetermined temperature.
【００２６】本願第２の発明によれば、給水バッファに
設けた給水パイプの出水口を貯水容器の底部に設け、吐
出ポンプへ貯水容器の水を導く吐出口が貯水容器の底部
から十分に高い位置に設定することにより、あらかじめ
貯水容器に貯えられている高温の水と、給水される低温
の水とが混合すること無く、低温の水は吐出口より低い
場所に滞留する。よって給水時あるいは給水後でも吐出
ポンプを駆動して吐出される水は所定温度以上を保たれ
てる給湯装置を実現できる。According to the second aspect of the present invention, the water outlet of the water supply pipe provided in the water supply buffer is provided at the bottom of the water reservoir, and the discharge port for guiding the water of the water reservoir to the discharge pump is sufficiently high from the bottom of the water reservoir. By setting the position, the low-temperature water stays at a position lower than the discharge port without mixing the high-temperature water stored in the water storage container in advance and the supplied low-temperature water. Therefore, it is possible to realize a hot water supply device in which the water discharged by driving the discharge pump is maintained at a predetermined temperature or higher even during or after water supply.
【００２７】本願第３の発明によれば、給水バッファへ
の１回の給水量を給水源の水圧変動などに影響されるこ
となく所定量に制御することができるので、吐出口の貯
水容器底面からの高さを最低限に設定することができ
る。よって吐出ポンプで吐出する事のできない水量を最
低限に抑えることができコンパクトな貯水容器の給湯装
置を実現できる。According to the third aspect of the present invention, the amount of water supplied to the water supply buffer at one time can be controlled to a predetermined amount without being affected by fluctuations in the water pressure of the water supply source. Height can be set to a minimum. Therefore, the amount of water that cannot be discharged by the discharge pump can be minimized, and a compact hot water supply device for a water storage container can be realized.
【００２８】本願第４の発明によれば、給水バッファを
貯水容器の中に設置する構成とすることによりコンパク
トに実現することができるとともに、蒸気などの熱を給
水バッファで吸収して、補給水の水に伝達するので簡易
な熱回収システムが構成され熱効率の良い給湯装置を実
現できる。According to the fourth aspect of the present invention, by providing the water supply buffer in the water storage container, the water supply buffer can be compactly realized, and heat such as steam is absorbed by the water supply buffer to make up the makeup water. Therefore, a simple heat recovery system is configured, and a hot water supply device with high thermal efficiency can be realized.
【００２９】本願第５の発明によれば、前記第４の発明
の効果に加え、給水バッファの材質あるいは構造を断熱
性の高い特性にすることで、貯水容器の水の放熱を低減
できる給湯装置を実現できる。According to the fifth aspect of the present invention, in addition to the effect of the fourth aspect, the water supply device can reduce the heat radiation of the water in the water storage container by making the material or structure of the water supply buffer high in heat insulating properties. Can be realized.
【００３０】本願第６の発明によれば、前記第４の発明
の効果に加え、貯水容器の側面と給水バッファとの隙間
を一部分に限定する構成とし、貯湯容器の上面を覆う蓋
に設けた蒸気抜き口を、前記の隙間から離れた位置に設
ける構成とすることで、沸騰時に熱湯が蒸気抜き口から
噴出することを防止する給湯装置を実現できる。According to the sixth aspect of the present invention, in addition to the effect of the fourth aspect, the gap between the side surface of the water storage container and the water supply buffer is limited to a part, and is provided on the lid that covers the upper surface of the hot water storage container. By employing a configuration in which the steam vent is provided at a position away from the gap, it is possible to realize a hot water supply apparatus that prevents hot water from spouting from the steam vent during boiling.
【００３１】本願第７の発明によれば、前記第４の発明
の効果に加え、給水バッファは上部が開放で給水バッフ
ァへの給水量が給水バッファの貯水量を超えると、開放
部から溢水して貯水タンクに注水される構成で、満水検
知手段による検出値が満水を示すまで給水手段を駆動し
て給水を行う第四の給水加熱制御手段とから構成するこ
とで、電源投入時の貯水容器内の水量に関わらず安定し
た動作を行う給湯装置を実現できる。また貯水容器の洗
浄時などに迅速に貯水容器に給水できる給湯装置を実現
できる。According to the seventh aspect of the present invention, in addition to the effect of the fourth aspect, when the upper portion of the water supply buffer is open and the amount of water supplied to the water supply buffer exceeds the stored amount of the water supply buffer, the water overflows from the opening. And a fourth water supply heating control means for supplying water by driving the water supply means until the value detected by the full water detection means indicates that the water is full. A hot water supply device that performs a stable operation regardless of the amount of water in the inside can be realized. Further, it is possible to realize a hot water supply device that can quickly supply water to the water storage container when the water storage container is washed.
【００３２】本願第８の発明によれば、前記第１〜第６
の発明の効果に加え、給水パイプ内をスムーズに水が流
れるように給水パイプ内の空気などを抜くガス抜き手段
を設けることにより、給水パイプ内の空気が抜けないた
めに給水バッファの水が貯水容器へ供給されずに給水バ
ッファに滞留する問題を解消し、安定した給水動作が可
能である給湯装置を実現できる。According to the eighth invention of the present application, the first to sixth embodiments
In addition to the effect of the invention of the present invention, by providing a degassing means for bleeding air etc. in the water supply pipe so that water flows smoothly in the water supply pipe, water in the water supply buffer is stored because the air in the water supply pipe does not escape. The problem of staying in the water supply buffer without being supplied to the container is eliminated, and a hot water supply device capable of performing a stable water supply operation can be realized.
【図１】本発明の実施例１の給湯装置の概略構成を示す
説明図FIG. 1 is an explanatory diagram illustrating a schematic configuration of a hot water supply apparatus according to a first embodiment of the present invention.
【図２】本発明の給水パイプの断面積と流量の関係を示
す説明図FIG. 2 is an explanatory diagram showing a relationship between a cross-sectional area and a flow rate of a water supply pipe of the present invention.
【図３】本発明の実施例２の給湯装置の概略構成を示す
説明図FIG. 3 is an explanatory diagram illustrating a schematic configuration of a hot water supply apparatus according to a second embodiment of the present invention.
【図４】本発明の実施例３の給湯装置の概略構成を示す
説明図FIG. 4 is an explanatory diagram illustrating a schematic configuration of a hot water supply apparatus according to a third embodiment of the present invention.
【図５】本発明の実施例４の給湯装置の概略構成を示す
説明図FIG. 5 is an explanatory diagram illustrating a schematic configuration of a hot water supply apparatus according to a fourth embodiment of the present invention.
【図６】本発明の実施例５の給湯装置の概略構成を示す
説明図FIG. 6 is an explanatory diagram illustrating a schematic configuration of a hot water supply apparatus according to a fifth embodiment of the present invention.
【図７】本発明の実施例６の給湯装置の概略構成を示す
説明図FIG. 7 is an explanatory diagram illustrating a schematic configuration of a hot water supply apparatus according to a sixth embodiment of the present invention.
【図８】本発明の実施例８の給湯装置のガス抜き手段の
一例を示す説明図FIG. 8 is an explanatory view showing an example of a degassing means of a hot water supply apparatus according to an eighth embodiment of the present invention.
３ 給水手段 ４ 給水バッファ ７ 給水量検出手段 ８ 給水パイプ ９ 貯水容器 １０ 吐出ポンプ １１ 吐出パイプ １７ 満水検知手段 １８ 加熱手段 １９ 温度検出手段 ２０ 給水加熱制御手段 ２７ ガス抜き口 Reference Signs List 3 water supply means 4 water supply buffer 7 water supply amount detection means 8 water supply pipe 9 water storage container 10 discharge pump 11 discharge pipe 17 full water detection means 18 heating means 19 temperature detection means 20 water supply heating control means 27 gas vent
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大橋 正治 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 浦田 隆行 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 志賀 あづさ 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 井上 隆幸 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 竹中 賢治 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 望月 裕介 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 (72)発明者 米久保 寛明 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 Ｆターム(参考） 4B055 AA37 BA28 BA36 CA11 CA85 CB08 CD02 CD15 CD61 DA02 DB02 EA03 GB04 GB15 GB20 GC04 GC31 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shoji Ohashi 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Takayuki Urata 1006 Okadoma Kadoma Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. ( 72) Inventor Shizuka Azusa 1006 Kadoma, Kazuma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Inventor Takayuki Inoue 1006 Odaka Kazuma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Kenji Takenaka Osaka 1006 Kadoma Kadoma, Matsushita Electric Industrial Co., Ltd. (72) Inventor Yusuke Mochizuki 1006 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Hiroaki Yonekubo 1006 Kadoma, Kadoma, Kadoma, Osaka Matsushita F-term (reference) in Denki Sangyo Co., Ltd. 4B055 AA37 BA28 BA36 CA11 CA85 CB08 CD02 CD15 CD61 DA02 DB02 EA03 GB04 GB15 GB20 GC04 GC31
Claims (8)
であることを検知する満水検知手段と、前記貯水容器に
貯えられる水を加熱する加熱手段と、前記貯水容器に水
を供給する際に一旦水を貯める給水バッファと、この給
水バッファの水を自然落下により貯水容器の水面上へ供
給し落下流量が所定量以下の給水パイプと、前記給水バ
ッファへの水の供給路を開閉する給水手段と、前記給水
バッファへの給水量を検出する給水量検出手段と、前記
貯水容器の水を吐出する吐出ポンプと、前記貯水容器内
の水の温度を検出する温度検出手段と、前記満水検知手
段の検出結果が満水でなければ給水弁を駆動して給水を
開始すると共に、前記加熱手段を駆動して加熱を行い、
前記満水検知手段の検出結果が満水になると給水および
加熱を停止する第一の給水加熱制御手段とから構成され
る給湯装置。1. A water storage container, full water detection means for detecting that the amount of water in the water storage container is full, heating means for heating water stored in the water storage container, and supplying water to the water storage container A water supply buffer for temporarily storing water, a water supply pipe for supplying the water in the water supply buffer onto the water surface of the water storage container by a natural fall, and a water supply pipe having a falling flow rate of a predetermined amount or less, and a water supply path for opening and closing a water supply path to the water supply buffer Means, a water supply amount detecting means for detecting a water supply amount to the water supply buffer, a discharge pump for discharging water from the water storage container, a temperature detection means for detecting a temperature of water in the water storage container, and the full water detection If the detection result of the means is not full, the water supply valve is driven to start water supply, and the heating means is driven to perform heating,
A hot water supply apparatus comprising: first water supply heating control means for stopping water supply and heating when the detection result of the full water detection means is full.
であることを検知する満水検知手段と、前記貯水容器に
貯えられる水を加熱する加熱手段と、前記貯水容器に水
を供給する際に一旦水を貯める給水バッファと、この給
水バッファから水の自然落下により貯水容器の底部へ水
を供給する給水パイプと、外部の給水源から前記給水バ
ッファへの水の供給路を開閉する給水手段と、前記貯水
容器の水を吐出する吐出ポンプと、前記貯水容器の底部
より高い位置から水を引き出し前記吐出ポンプに供給す
る吐出パイプと、前記貯水容器内の水の温度を検出する
温度検出手段と、前記満水検知手段の検出結果が満水で
はなく、且つ前記温度検出手段の検出値が第一の所定値
以上であれば前記給水手段を駆動して給水を開始し、前
記温度検出手段の検出値が第二の所定値以下になると給
水を停止すると共に、前記温度検出手段の検出値が第一
の所定値未満の間は前記加熱手段を駆動して加熱を行う
第二の給水加熱制御手段とから構成される給湯装置。2. A water storage container, full water detection means for detecting that the water volume of the water storage container is full, heating means for heating water stored in the water storage container, and supplying water to the water storage container. A water supply buffer for temporarily storing water, a water supply pipe for supplying water from the water supply buffer to the bottom of the water storage container by natural fall of water, and a water supply means for opening and closing a water supply path from an external water supply source to the water supply buffer. A discharge pump that discharges water from the water storage container, a discharge pipe that draws water from a position higher than a bottom of the water storage container and supplies the water to the discharge pump, and a temperature detection unit that detects the temperature of water in the water storage container If the detection result of the full-water detecting means is not full and the detection value of the temperature detecting means is equal to or more than a first predetermined value, the water-supplying means is driven to start water supply, and the detection of the temperature detecting means is performed. When the output value is equal to or less than a second predetermined value, the water supply is stopped, and while the detected value of the temperature detection means is less than the first predetermined value, the second water supply heating control for driving and heating the heating means. And a water heater.
であることを検知する満水検知手段と、前記貯水容器に
貯えられる水を加熱する加熱手段と、前記貯水容器に水
を供給する際に一旦水を貯める給水バッファと、この給
水バッファから水の自然落下により貯水容器の底部へ水
を供給し落下流量が所定量以下の給水パイプと、外部の
給水源から前記給水バッファへの水の供給路を開閉する
給水手段と、前記給水バッファへの給水量を検出する給
水量検出手段と、前記貯水容器の水を吐出する吐出ポン
プと、前記貯水容器の底部より高い位置から水を引き出
し前記吐出ポンプに供給する吐出パイプと、前記貯水容
器内の水の温度を検出する温度検出手段と、前記満水検
知手段の検出結果が満水ではなく、且つ前記温度検出手
段の検出値が第一の所定値以上であれば前記給水手段を
駆動して給水を開始し、前記給水量検出手段により検出
される給水量が所定量になると給水を停止する共に、給
水開始と同時に加熱手段を駆動して加熱を開始して、前
記温度検出手段の検出値が第一の所定値未満の間は前記
加熱手段を駆動して加熱を行う第三の給水加熱制御手段
とから構成される給湯装置。3. A water storage container, full water detection means for detecting that the amount of water in the water storage container is full, heating means for heating the water stored in the water storage container, and supplying water to the water storage container. A water supply buffer that temporarily stores water, a water supply pipe that supplies water to the bottom of the water storage container by a natural fall of the water from the water supply buffer and that has a falling flow rate equal to or less than a predetermined amount, and water from an external water supply source to the water supply buffer. Water supply means for opening and closing a supply path, water supply amount detection means for detecting the amount of water supplied to the water supply buffer, a discharge pump for discharging water from the water storage container, and drawing water from a position higher than a bottom of the water storage container. A discharge pipe for supplying to a discharge pump, a temperature detection unit for detecting a temperature of water in the water storage container, and a detection result of the full water detection unit is not full, and a detection value of the temperature detection unit is a first value. If the water supply means is at or above a predetermined value, the water supply means is driven to start water supply, and when the water supply amount detected by the water supply amount detection means reaches a predetermined amount, water supply is stopped, and the heating means is driven simultaneously with water supply start. A hot water supply apparatus comprising: a third water supply heating control unit that starts heating and drives the heating unit to perform heating while the detected value of the temperature detection unit is less than a first predetermined value.
いる請求項１〜３のいずれか１項に記載の給湯装置。4. The hot water supply device according to claim 1, wherein the water supply buffer is mounted in a water storage container.
は構造でできており、貯水容器の水の放熱を低減するこ
とを特徴とする請求項１〜３のいずれか１項に記載の給
湯装置。5. The hot-water supply device according to claim 1, wherein the water-supply buffer is made of a material or a structure having a high heat insulating property, and reduces heat radiation of the water in the water storage container.
を一部分に限定する構成とし、貯湯容器の上面を覆う蓋
に設けたガス抜き口を、前記の隙間から離れた位置に設
けていることを特徴とする請求項１〜３のいずれか１項
に記載の給湯装置。6. A structure in which a gap between a side surface of a water storage container and a water supply buffer is limited to a part, and a gas vent provided in a lid covering an upper surface of the hot water storage container is provided at a position distant from the gap. The hot water supply device according to any one of claims 1 to 3, wherein
ァへの給水量が給水バッファの貯水量を超えると、開放
部から溢水して貯水タンクに注水される構成で、満水検
知手段による検出値が満水を示すまで給水手段を駆動し
て給水を行う第四の給水加熱制御手段とから構成される
ことを特徴とする請求項１〜３のいずれか１項に記載の
給湯装置。7. When the water supply buffer is open at the top and the amount of water supplied to the water supply buffer exceeds the amount of water stored in the water supply buffer, the water overflows from the open portion and is injected into the water storage tank. The hot water supply apparatus according to any one of claims 1 to 3, further comprising: fourth water supply heating control means for driving the water supply means to supply water until it indicates that water is full.
うに給水パイプ内の空気などを抜くガス抜き手段を設け
てあることを特徴とする請求項１〜３のいずれか１項に
記載の給湯装置。8. The hot water supply according to claim 1, further comprising a gas releasing means for removing air or the like in the water supply pipe so that water flows smoothly in the water supply pipe. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000074018A JP2001263818A (en) | 2000-03-16 | 2000-03-16 | Water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000074018A JP2001263818A (en) | 2000-03-16 | 2000-03-16 | Water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001263818A true JP2001263818A (en) | 2001-09-26 |
Family
ID=18592133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000074018A Pending JP2001263818A (en) | 2000-03-16 | 2000-03-16 | Water heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001263818A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003090591A1 (en) * | 2002-04-26 | 2003-11-06 | Matsushita Electric Industrial Co., Ltd. | Electric water heater |
| JP2005316560A (en) * | 2004-04-27 | 2005-11-10 | Fuji Electric Retail Systems Co Ltd | Hot water supply apparatus |
| CN110285570A (en) * | 2019-05-23 | 2019-09-27 | 南充市高坪区百斗福粮油有限公司 | A kind of supply equipment of energy-saving independent leveled heating |
-
2000
- 2000-03-16 JP JP2000074018A patent/JP2001263818A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003090591A1 (en) * | 2002-04-26 | 2003-11-06 | Matsushita Electric Industrial Co., Ltd. | Electric water heater |
| US7043149B2 (en) | 2002-04-26 | 2006-05-09 | Matsushita Electric Industrial Co., Ltd. | Electric water heater |
| KR100988674B1 (en) | 2002-04-26 | 2010-10-18 | 파나소닉 주식회사 | Electric water heater |
| JP2005316560A (en) * | 2004-04-27 | 2005-11-10 | Fuji Electric Retail Systems Co Ltd | Hot water supply apparatus |
| JP4529531B2 (en) * | 2004-04-27 | 2010-08-25 | 富士電機リテイルシステムズ株式会社 | Water heater |
| CN110285570A (en) * | 2019-05-23 | 2019-09-27 | 南充市高坪区百斗福粮油有限公司 | A kind of supply equipment of energy-saving independent leveled heating |
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