JP2777564B2 - Electric water heater - Google Patents
Electric water heaterInfo
- Publication number
- JP2777564B2 JP2777564B2 JP19989296A JP19989296A JP2777564B2 JP 2777564 B2 JP2777564 B2 JP 2777564B2 JP 19989296 A JP19989296 A JP 19989296A JP 19989296 A JP19989296 A JP 19989296A JP 2777564 B2 JP2777564 B2 JP 2777564B2
- Authority
- JP
- Japan
- Prior art keywords
- tank
- supply pipe
- water supply
- hot water
- water
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 84
- 239000008399 tap water Substances 0.000 description 11
- 235000020679 tap water Nutrition 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003260 vortexing Methods 0.000 description 1
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は電気温水器に関
し、特に温水の供給と同時にタンク内を自動的に洗浄で
きるとともに、断水時及び停電時に温水の供給を可能と
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric water heater, and more particularly to an electric water heater which can automatically clean the inside of a tank simultaneously with the supply of hot water, and can supply hot water at the time of water cutoff or power failure.
【０００２】[0002]
【従来の技術】電気温水器は、図３に示すように、水道
管２０に直結したタンク２１内に電気ヒーター２２を設
け、深夜電力又は通常電力を利用し加熱することによ
り、タンク２１の上部に接続した給湯配管２３から常時
温水を供給できるようにした装置であるが、水道水に含
まれる鉄分（水道管等の錆）や水垢が長期に亙る使用に
よりタンク２１内壁に付着したり、沈殿物として堆積す
るため、水質悪化を来して一定期間毎の清掃作業が必要
になって来る。しかしながら、タンク２１は密閉型であ
るため、一般家庭においては内部清掃が非常に困難であ
る。2. Description of the Related Art As shown in FIG. 3, an electric water heater is provided with an electric heater 22 in a tank 21 directly connected to a water pipe 20, and heated by using midnight electric power or ordinary electric power. The hot water supply pipe 23 is connected to the hot water supply pipe 23, so that hot water can be supplied at all times. Since it accumulates as a material, the quality of the water deteriorates and cleaning work must be performed at regular intervals. However, since the tank 21 is a closed type, it is very difficult to clean the inside in a general household.
【０００３】もっとも、タンク２１の下部にはドレン排
出口２４が設けられているのが通例であるから、そのド
レン排出口２４を開けば沈殿物の幾分かは除去すること
はできても完全ではなく、しかも、タンク２１の内壁に
付着する水垢まで除去することはできない。したがっ
て、タンク２１内の完全な清掃をするためには、業者に
清掃依頼をして業者が行わなければできなかった。However, since a drain outlet 24 is generally provided at the lower portion of the tank 21, opening the drain outlet 24 can remove some of the sediment but not completely. In addition, it is not possible to remove the scale attached to the inner wall of the tank 21. Therefore, in order to completely clean the inside of the tank 21, it was not possible to perform a cleaning request to a trader and the trader would not perform the cleaning.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、タンク
１内の清掃を欠かすことはできず、少なくとも一定期間
毎の清掃を業者に依頼しなければ、例えば温水をそのま
ま飲用することができないのが現状である。したがっ
て、清掃を依頼することによるその費用が必要であり、
また、その清掃期間内は温水を使用できないと言う不具
合が生じる。However, cleaning of the inside of the tank 1 is indispensable, and at least, for example, hot water cannot be drunk as it is without asking the contractor to perform cleaning at least at regular intervals. is there. Therefore, the cost of asking for cleaning is necessary,
Further, there is a problem that hot water cannot be used during the cleaning period.
【０００５】そこで、この発明はタンク内部の清掃作業
を自動的に行うことができる電気温水器を提供する。Accordingly, the present invention provides an electric water heater capable of automatically performing a cleaning operation of the inside of the tank.
【０００６】[0006]
【課題を解決するための手段】この発明にかかる電気温
水器は、請求項１によれば、タンクの上部に給湯配管を
接続するとともに、該給湯配管にエアポンプを接続し、
前記タンクの内底部を略円錐形の下り勾配としてその中
心部に給水配管を接続し、該内底部に向けて吐出する水
道配管を前記タンクに接続し、かつ、前記内底部よりも
上位の前記タンク内に一又は複数の電気ヒーターを配設
してなることを特徴とする。According to an electric water heater according to the present invention, a hot water supply pipe is connected to an upper portion of a tank, and an air pump is connected to the hot water supply pipe.
A water supply pipe is connected to the center of the inner bottom of the tank as a substantially conical downward slope, a water pipe discharged toward the inner bottom is connected to the tank, and the tank is located higher than the inner bottom. One or more electric heaters are provided in the tank.
【０００７】また、請求項２によれば、タンクの上部に
給湯配管を接続するとともに、該給湯配管にエアポンプ
を接続し、前記タンクの内底部を略円錐形の下り勾配と
してその中心部に給水配管を接続し、該給水配管と前記
給湯配管とを三方切替弁を介在して接続し、前記内底部
に向けて吐出する水道配管を前記タンクに接続し、か
つ、前記内底部よりも上位の前記タンク内に一又は複数
の電気ヒーターを配設してなることを特徴とする。According to a second aspect of the present invention, a hot water supply pipe is connected to an upper portion of the tank, and an air pump is connected to the hot water supply pipe. A pipe is connected, the water supply pipe and the hot water supply pipe are connected via a three-way switching valve, a water supply pipe discharged toward the inner bottom is connected to the tank, and a higher level than the inner bottom is connected. One or more electric heaters are provided in the tank.
【０００８】したがって、タンク内に温水が蓄えられて
いるときであっても、給水配管から水道水を吐出させれ
ば、水道配管から水道水がタンクの内底部に向けて吐出
することにより、内底部に旋回流が生じて底に付着し又
は沈殿している水垢や鉄分が掻き落とされ、又は、舞い
上げられて水道水と共に排出されるから、タンク内部の
清掃を必要時に簡便容易にできるようになる。そのた
め、タンク内を常に清潔に保持できるから、温水を飲用
することもできるようになる。[0008] Therefore, even when hot water is stored in the tank, if tap water is discharged from the water supply pipe, the tap water is discharged from the water pipe toward the inner bottom of the tank. Swirl flow occurs at the bottom and scale or iron attached to or settled on the bottom is scraped off or flung up and discharged together with tap water, so that the inside of the tank can be easily and easily cleaned when necessary. become. Therefore, since the inside of the tank can be kept clean at all times, it becomes possible to drink hot water.
【０００９】[0009]
【発明の実施の形態】以下この発明の実施の形態を図に
基づき説明する。図１に示すように、タンク１は上部に
給湯配管２が接続され、該給湯配管２は適宜延伸して洗
面所又は台所等の湯栓３に接続されている。タンク１の
下部には円錐形の下り勾配の内底部５が形成され、その
中心部には給水配管６が接続され、その給水配管６は適
宜延伸して洗面所における洗濯機用又はトイレの水洗用
水供給口としての水栓７に接続されている。内底部５の
上部には一又は複数の電気ヒーター４が配設され、この
電気ヒーター４は適宜の商用電源等に接続される。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, a hot water supply pipe 2 is connected to an upper portion of the tank 1, and the hot water supply pipe 2 is appropriately extended and connected to a faucet 3 such as a washroom or a kitchen. At the lower part of the tank 1, a conical inner bottom part 5 having a downward slope is formed, and a water supply pipe 6 is connected to a central part thereof. It is connected to a faucet 7 as a water supply port. One or more electric heaters 4 are arranged on the upper part of the inner bottom part 5, and this electric heater 4 is connected to an appropriate commercial power supply or the like.
【００１０】そして上記内底部５に向けて開口する水道
配管８がタンク１に接続され、水道配管８は量水器９の
ある水道本管１０から導かれる。さらに、給湯配管２に
はエアポンプ１１が接続されており、この給湯配管２と
給水配管６とは三方切替弁１２を介在している。なお、
三方切替弁１２は適宜の手動切替弁に代えてもよい。ま
た、給水配管６にはドレンバルブ１３が設けられる。な
お、内底部５は下り勾配の円錐形としたが、ドーム型で
あっても同等の作用効果を果すものである。A water pipe 8 opening toward the inner bottom 5 is connected to the tank 1, and the water pipe 8 is led from a water main pipe 10 having a water meter 9. Further, an air pump 11 is connected to the hot water supply pipe 2, and the three-way switching valve 12 is interposed between the hot water supply pipe 2 and the water supply pipe 6. In addition,
The three-way switching valve 12 may be replaced with an appropriate manual switching valve. Further, a drain valve 13 is provided in the water supply pipe 6. Although the inner bottom portion 5 is formed in a conical shape with a downward slope, the same effect can be achieved even if it is a dome shape.
【００１１】そこで、上記形態の作用を説明すると、水
道配管８からタンク１内に導入された水道水は内底部５
に向けて吐出し、タンク１内が水道水で充満すると湯栓
３から吐出する。そこで、湯栓３を閉じて深夜電力又は
通常電力利用により電気ヒーター４が加熱すると、水道
水はタンク１内で８５〜９５℃に加熱され、加熱された
水道水は比重が軽くなるのでタンク１の上部側へ移動
し、かつ、緩やかに対流しながらタンク１内の水道水は
温水になる。そこで、給湯配管２の湯栓３を開けば温水
は三方切替弁１２又は手動切替を経て吐出する。The operation of the above embodiment will be described. Tap water introduced into the tank 1 from the water pipe 8 is supplied to the inner bottom 5.
When the inside of the tank 1 is filled with tap water, the water is discharged from the hot water tap 3. Then, when the hot water tap 3 is closed and the electric heater 4 is heated by using midnight electric power or ordinary electric power, the tap water is heated to 85 to 95 ° C. in the tank 1 and the specific gravity of the heated tap water is reduced. The tap water in the tank 1 becomes warm while moving to the upper side of the tank 1 and gently convection. Then, when the hot water tap 3 of the hot water supply pipe 2 is opened, the hot water is discharged through the three-way switching valve 12 or the manual switching.
【００１２】次いで、水道本管１０の断水時には、タン
ク１内に水道水が供給されなくなるめに、タンク１内の
圧力は給湯できる状態でないため、エアポンプ１１を駆
動し三方切替弁１２を操作して給湯配管２を閉じてタン
ク１の内底部５付近の水道水が吐出し、次いで、タンク
１内上部の湯が吐出する。Next, when the water main 10 is cut off, the pressure in the tank 1 is not in a state where hot water can be supplied so that the tap water is no longer supplied into the tank 1. Therefore, the air pump 11 is driven and the three-way switching valve 12 is operated. The hot water supply pipe 2 is closed to discharge tap water near the inner bottom 5 of the tank 1 and then the hot water in the upper part of the tank 1 is discharged.
【００１３】さらに、給水配管６の水栓７を開いて洗濯
機等に注水をするとき、又は、タンク１内に水垢が付着
したり鉄分が沈殿していると思われるために、タンク１
内を洗浄したいときは、三方切替弁１２又は手動切替弁
を動作させて水栓７側の給水配管６を閉じるとともに、
エアポンプ１１を駆動してタンク１内に圧縮空気を供給
すると、水道配管８から吐出する水道水は内底部５が下
り勾配の円錐形であるために渦流となりながら下降す
る。Further, when the faucet 7 of the water supply pipe 6 is opened to pour water into a washing machine or the like, or because it is considered that water scale adheres to the tank 1 or iron is precipitated, the tank 1
When it is desired to clean the inside, the three-way switching valve 12 or the manual switching valve is operated to close the water supply pipe 6 on the faucet 7 side,
When compressed air is supplied into the tank 1 by driving the air pump 11, the tap water discharged from the tap pipe 8 descends while vortexing because the inner bottom 5 has a downwardly conical shape.
【００１４】この渦流でタンク１の内壁に付着している
水垢が掻き落とされ、かつ、鉄分が内底部５から冷水配
管６を経て湯栓３に至り、湯栓３を開くことにより排出
される。また、水栓７から当初には温水が排出されるも
のの、時間の経過とともに冷水となり、タンク１内の電
気ヒーター４よりも上にある温水は比重が軽いため給水
配管６から排出されることはない（次表１及び図２参
照）。The eddy current scrapes off the scale attached to the inner wall of the tank 1, and the iron reaches the faucet 3 from the inner bottom 5 through the cold water pipe 6 and is discharged by opening the faucet 3. . Although the hot water is initially discharged from the faucet 7, it becomes cold water with the lapse of time, and the hot water above the electric heater 4 in the tank 1 is discharged from the water supply pipe 6 because its specific gravity is light. No (see Table 1 and FIG. 2).
【００１５】[0015]
【表１】 [Table 1]
【００１６】したがって、毎日の洗濯があればその時に
水栓７を開くために、タンク１内の清掃は毎日出来、一
定期間毎のタンク１内の清掃を意図的に行う必要がない
ものである。そのため、タンク１を業者に洗浄依頼する
必要なく、各家庭において簡便容易に行うことができる
というものである。Therefore, if there is daily washing, the faucet 7 is opened at that time, so that the tank 1 can be cleaned every day, and there is no need to intentionally clean the tank 1 at regular intervals. . Therefore, the tank 1 can be easily and easily performed in each household without having to ask the trader to wash the tank.
【００１７】[0017]
【発明の効果】以上説明したこの発明によれば、水垢や
鉄分が付着したり沈殿する蓋然性の高い電気温水器のタ
ンク内の清掃を、簡単な操作で軽便にできるようにな
り、したがって、家庭において必要に応じて行うことが
でき、そのため従来は洗浄直後でなければ飲用できなか
った温水が常に飲用できるようになる。また、一定期間
毎の業者へのタンク清掃依頼も必要なくなり、したがっ
て、その清掃費用を省略でき、ランニングコストの低減
を図ることができる。According to the present invention described above, it is possible to easily and easily clean the inside of the tank of the electric water heater in which water scale or iron is likely to adhere or settle. Can be carried out as needed, so that hot water which could not be drunk unless it was immediately after washing can be drunk at all times. Further, it is not necessary to request a tanker to clean the tank at regular intervals, so that the cleaning cost can be omitted and the running cost can be reduced.
【図１】この発明にかかる電気温水器の原理的説明図FIG. 1 is a schematic explanatory view of an electric water heater according to the present invention.
【図２】給水使用時の温度変化を示す曲線図FIG. 2 is a curve diagram showing a temperature change when using water supply.
【図３】従来の電気温水器の原理的説明図FIG. 3 is a diagram illustrating the principle of a conventional electric water heater.
１…タンク ２…給湯配管 ３…湯栓 ４…電気ヒーター ５…内底部 ６…給水配管 ７…水栓 ８…水道配管 １０…水道本管 １１…エアポンプ １２…三方切替弁 DESCRIPTION OF SYMBOLS 1 ... Tank 2 ... Hot water supply pipe 3 ... Hot water tap 4 ... Electric heater 5 ... Inner bottom part 6 ... Water supply pipe 7 ... Water tap 8 ... Water supply pipe 10 ... Water main pipe 11 ... Air pump 12 ... Three-way switching valve
Claims (2)
もに、該給湯配管にエアポンプを接続し、前記タンクの
内底部を略円錐形の下り勾配としてその中心部に給水配
管を接続し、該内底部に向けて吐出する水道配管を前記
タンクに接続し、かつ、前記内底部よりも上位の前記タ
ンク内に一又は複数の電気ヒーターを配設してなること
を特徴とする電気温水器。1. A hot water supply pipe is connected to an upper part of a tank, an air pump is connected to the hot water supply pipe, and a water supply pipe is connected to a central part of the tank with a substantially conical downward slope. An electric water heater, wherein a water pipe discharged toward a bottom is connected to the tank, and one or a plurality of electric heaters are arranged in the tank higher than the inner bottom.
もに、該給湯配管にエアポンプを接続し、前記タンクの
内底部を略円錐形の下り勾配としてその中心部に給水配
管を接続し、該給水配管と前記給湯配管とを三方切替弁
を介在して接続し、前記内底部に向けて吐出する水道配
管を前記タンクに接続し、かつ、前記内底部よりも上位
の前記タンク内に一又は複数の電気ヒーターを配設して
なることを特徴とする電気温水器。2. A hot water supply pipe is connected to an upper part of the tank, an air pump is connected to the hot water supply pipe, and a water supply pipe is connected to a central part of the inner bottom of the tank with a substantially conical downward slope. A pipe and the hot water supply pipe are connected via a three-way switching valve, a water pipe discharged toward the inner bottom is connected to the tank, and one or more pipes are provided in the tank higher than the inner bottom. An electric water heater comprising an electric heater as described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19989296A JP2777564B2 (en) | 1996-07-30 | 1996-07-30 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19989296A JP2777564B2 (en) | 1996-07-30 | 1996-07-30 | Electric water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1047774A JPH1047774A (en) | 1998-02-20 |
| JP2777564B2 true JP2777564B2 (en) | 1998-07-16 |
Family
ID=16415350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19989296A Expired - Lifetime JP2777564B2 (en) | 1996-07-30 | 1996-07-30 | Electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2777564B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007263467A (en) * | 2006-03-28 | 2007-10-11 | Chugoku Electric Power Co Inc:The | Hot water storage type hot water supply apparatus having contaminant discharge function |
| JP5598025B2 (en) * | 2010-03-05 | 2014-10-01 | ダイキン工業株式会社 | Hot water storage water heater |
| CN110986369B (en) * | 2019-12-29 | 2021-07-13 | 浙江豆豆宝中药研究有限公司 | Heat exchanger propulsion device capable of accelerating exchange speed |
-
1996
- 1996-07-30 JP JP19989296A patent/JP2777564B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1047774A (en) | 1998-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5660193A (en) | Waste water heat recovering unit and dishwashing machine | |
| JPS61502237A (en) | Waste energy recovery unit and method | |
| US11330960B2 (en) | Auxiliary gray water source device for commercial kitchens | |
| JPS63164929A (en) | Sink arranging type tableware washer | |
| AU678526B2 (en) | Screen box for a pasta cooker | |
| US2770248A (en) | Coil cleaner for beer distributing systems | |
| US4422932A (en) | Device for the removal of heat from waste water | |
| US20150014228A1 (en) | Auxiliary gray water source device for commercial kitchens | |
| JP2777564B2 (en) | Electric water heater | |
| CN104848545A (en) | Electric water heater liner cleaning method and electric water heater | |
| CN206561004U (en) | A kind of multifunctional product parts washer | |
| GB2269417A (en) | Augmented domestic water system | |
| CN109757990A (en) | Water dispenser | |
| WO2003027580A1 (en) | Liquid heating apparatus | |
| CN104474761B (en) | Intelligence backwashing water defecator and operational approach thereof | |
| US20170001130A1 (en) | Filter structure | |
| JPH01254596A (en) | Cleaning unit | |
| CN208301616U (en) | Cleaning machine | |
| EP2976469A2 (en) | Auxiliary gray water source device for commercial kitchens | |
| CN216694642U (en) | Waterway system and heating equipment thereof | |
| WO2019090968A1 (en) | Water dispenser | |
| US598301A (en) | Apparatus for cleansing beer-pipes | |
| JPH0949661A (en) | Hot water heater | |
| JPS6332693Y2 (en) | ||
| JPH08161629A (en) | Cup type automatic vending machine |