JPH0229541A - Mobile hot water supply apparatus - Google Patents

Mobile hot water supply apparatus

Info

Publication number
JPH0229541A
JPH0229541A JP17859388A JP17859388A JPH0229541A JP H0229541 A JPH0229541 A JP H0229541A JP 17859388 A JP17859388 A JP 17859388A JP 17859388 A JP17859388 A JP 17859388A JP H0229541 A JPH0229541 A JP H0229541A
Authority
JP
Japan
Prior art keywords
water
tank
hot water
hot
heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17859388A
Other languages
Japanese (ja)
Inventor
Fumio Nohara
文男 野原
Teruaki Oda
小田 輝明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NIPPON ITOMITSUKU KK
Nikken Sekkei Ltd
Original Assignee
NIPPON ITOMITSUKU KK
Nikken Sekkei Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NIPPON ITOMITSUKU KK, Nikken Sekkei Ltd filed Critical NIPPON ITOMITSUKU KK
Priority to JP17859388A priority Critical patent/JPH0229541A/en
Publication of JPH0229541A publication Critical patent/JPH0229541A/en
Pending legal-status Critical Current

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  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

PURPOSE:To allow supplying tea efficiently in an office building, hotel, etc., and to prevent dripping down of hot water after stop of water supply by housing a water heating tank, a water storage, and a hot water outlet in a mobile cabinet with casters, and letting hot water overflow by supplying water to the bottom of the water heating tank. CONSTITUTION:A hot water supply apparatus A consists of a water heating tank 1 in which water is heated by a heater 3 installed at a lower portion of the tank, a water storage 2 from which water is supplied to the lower portion of the water heating tank 1 through water supply pipe 4 by a motor driven pump 5, and a hot water outlet 6 which is installed on an upper portion of the water heating tank 1 so as to let hot water overflow from the outlet by supplying water to the tank. They are housed in a cabinet 30 that is equipped with casters 31 on its bottom. With this construction, when a hot water supply switch 7 is turned on to operate the motor driven pump 5, water is supplied from the water storage 2 to the bottom of the water heating tank 1 causing hot water to overflow for supply. A buffer 7 is furnished above the outlet of the water supply pipe 4 to mitigate the pressure due to water supply, so that the hot water heated in the water heating tank 1 is sent towards the bottom of the water heating tank 1 without mixing up. The hot water supply apparatus A can be arranged in such required places as corners of each room, corridor, etc., so as to save labor.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は移動式給湯器に係り、キャスターが配設された
移動自在な函体に給湯装置を備えて、事務所ビル、ホテ
ル等の各部屋、成るいは展示場、屋外・屋上筒でのパー
ティ−において移動して給湯できる移動式給湯器に関す
る。
[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a mobile water heater, which is equipped with a water heater in a movable box equipped with casters, and is installed in office buildings, hotels, etc. This invention relates to a mobile water heater that can move and supply hot water in a room, an exhibition hall, or a party outdoors or on a rooftop.

(従来の技術) 従来の給湯器は、壁掛は型または置台型のいわゆる据置
タイプであり、通常給湯室に固定されており、茶、コー
ヒー等を用意する際に給湯室に出向いて用意し、各人の
席へ盆で運ぶのが一般的であった。
(Prior art) Conventional water heaters are of the so-called stationary type, either wall-mounted or stand-mounted, and are usually fixed in the hot water supply room. It was common to carry trays to each person's seat.

そして、この給湯器は、いわゆる貯湯式湯沸器であり、
湯沸槽内で加熱されて沸し上げられた湯が、湯沸槽の下
方位置に設けられた出湯口からその自重により出湯する
ものであった。
This water heater is a so-called storage type water heater,
The hot water heated and boiled in the water boiling tank was discharged by its own weight from a tap provided at the bottom of the water boiling tank.

(発明が解決しようとする問題点) しかしながら、この従来の給湯器は、据置タイプで移動
できなかったため、いちいち給湯室に出向いて給茶の用
意をしなければならない煩わしさがあり、給湯室も混雑
するなどの問題があった。
(Problems to be solved by the invention) However, since this conventional water heater was a stationary type and could not be moved, there was a hassle of having to go to the hot water supply room every time to prepare tea, and the hot water supply room was also inconvenient. There were problems such as congestion.

特に近年のビルの大型化により、給湯室までの距離が長
くなり給茶作業がますます非能率的となり、給茶に携わ
る人の負担が増えて効率の良い人材活用ができなかった
In particular, as buildings have become larger in recent years, the distance to the hot water supply room has become longer, making tea serving operations increasingly inefficient, increasing the burden on those involved in tea serving, and making efficient use of human resources impossible.

しかも、従来の給湯器は貯湯式湯沸器で、前述の如く、
湯の自重による落差給湯方式であるから、止水後の湯止
まりが悪く、いわゆる湯の後だれを生ずる欠点があった
Moreover, conventional water heaters are storage type water heaters, and as mentioned above,
Since the hot water supply method is based on the water's own weight, it is difficult to stop the hot water after the water has stopped, resulting in what is called dripping.

そこで、本発明は、従来存した叙上の問題点に鑑み、事
務所ビル、ホテル等にても効率良く給茶すべく、任意の
場所に簡単に移動させることができ、しかも止水後の湯
の後だれが完全に防止できる移動式給湯器を提供するこ
とを課題として創出されたものである。
Therefore, in view of the above-mentioned problems, the present invention has been developed to efficiently serve tea even in office buildings, hotels, etc., so that it can be easily moved to any location, and even after the water has stopped. It was created with the aim of providing a mobile water heater that can completely prevent hot water from dripping.

(問題点を解決するための手段) このため本発明は、第1手段として、下方に配置したヒ
ーターにて湯を沸し上げる湯沸槽と、電動ポンプにより
湯沸槽下方位置へ送水管を介して水を送給する貯水槽と
、湯沸槽下方位置に送給された水により湯が溢れ出るよ
う湯沸槽上方に設けられた出湯口とを、キャスターが配
設された移動自在な函体に格納したことにより、 更に第2手段として、貯水槽の水を湯沸槽に送給する送
水管の中途に、通電停止後の電動ポンプの惰性空まわり
による送水を遮断する弁装置を設けたことにより、 第3手段として、湯沸槽の下方に貯水槽を配置し、湯沸
槽と貯水槽とに連通し、先端部が湯沸槽の出湯口より低
い位置まで突出する戻湯管を設け、戻湯管の中途には、
電動ポンプへ通電中は閉鎖状態となり、該通電が停止さ
れると開放状態となるよう作動する弁装置を設けたこと
により、また、第4手段として、下方1こ配置したヒー
ターにて湯を沸し上げる湯沸槽と、湯沸槽上方に配置さ
れ、水の自重により送水管を介して湯沸槽に水を送給す
・る貯水槽と、湯沸槽に送給された水により湯が溢れ出
るよう湯沸槽上方に設けられた出湯口とを、キャスター
が配設された移動自在な函体に格納したことにより、 上述した問題点を解決した。
(Means for Solving the Problems) Therefore, as a first means, the present invention includes a water boiling tank that boils water with a heater placed below, and a water pipe that is connected to a position below the water boiling tank using an electric pump. A movable structure equipped with casters connects the water storage tank through which water is supplied through the water tank, and the hot water outlet provided above the water boiling tank so that hot water overflows from the water delivered to the lower position of the water boiling tank. By storing it in a box, as a second means, a valve device is installed in the middle of the water pipe that feeds water from the water tank to the hot water tank to cut off the water supply due to the inertia of the electric pump after the power supply is stopped. As a third means, a water storage tank is arranged below the water boiling tank, the water boiling tank and the water tank are communicated with each other, and the tip of the return hot water is protruded to a position lower than the hot water outlet of the water boiling tank. A pipe is installed, and in the middle of the return pipe,
By providing a valve device that operates so that the electric pump is in a closed state while electricity is being supplied and is in an open state when the electricity supply is stopped, as a fourth means, water is boiled using a heater placed at the bottom. There is a water tank that is placed above the water boiler and uses the weight of the water to send water to the water heater via a water pipe, and a The above-mentioned problem was solved by storing the tap above the water boiling tank in a movable box equipped with casters so that water could overflow.

(作用) しかして、本発明の移動式給湯器にあっては、電動ポン
プ5にて貯水槽2から送水管4を介して湯沸槽1下方位
置へ水が送給され、湯沸槽1の下方に配置されたヒータ
ー3にて加熱され、湯が沸かされる。
(Function) Therefore, in the mobile water heater of the present invention, water is fed from the water tank 2 to the lower position of the water boiling tank 1 via the water pipe 4 by the electric pump 5, and The water is heated by a heater 3 placed below it to boil the water.

沸かされた湯は、湯沸槽1の下方から送給される水によ
り、湯沸槽上方に設けられた出湯口6がら盛れ出ること
で、給湯される。湯沸槽1内ではヒーター3により加熱
された最も熱い上方の湯から効率良く給湯され、しかも
、この給湯は出湯口6から溢れ出ることで行なわれ、電
動ポンプ5がらの送水停止後は湯が後だれすることはな
い。
Boiled hot water is supplied by water fed from below the water boiling tank 1 and flowing out of a hot water outlet 6 provided above the water boiling tank. In the water boiling tank 1, hot water is efficiently supplied from the hottest hot water heated by the heater 3 at the top.Moreover, this hot water is supplied by overflowing from the hot water outlet 6, and after the water supply from the electric pump 5 is stopped, the hot water is There's nothing left to do.

また、これらの装置は函体30に格納され、キャスター
31により任意の場所に移動される。
Further, these devices are stored in a box 30 and moved to any desired location by casters 31.

更に、貯水槽2の水を湯沸槽1に送給する送水管4の中
途に設けた弁装置8により、通電停止後の電動ポンプ5
の惰性空まわりによる送水が完全に遮断される。
Furthermore, a valve device 8 provided in the middle of the water pipe 4 that supplies water from the water storage tank 2 to the water boiling tank 1 allows the electric pump 5
Water supply due to inertia is completely cut off.

また、湯沸槽1の下方に貯水槽2が配置され、この湯沸
槽1と貯水槽2とに連通し、先端部が湯沸槽1の出湯口
18.24より低い位置まで突出する戻湯管19には、
中途部分に開閉動作を行なう弁装置20を設け、電動ポ
ンプ5へ通電中は閉鎖状態となり、湯沸槽1内に給水さ
れる。この際、湯沸槽1内の水はヒーターにより加熱さ
れ、湯が沸かし上げられており、戻湯管19の先端を越
えて出湯口6の位置を越える分が溢れ出て給湯される。
Further, a water storage tank 2 is disposed below the water boiling tank 1, and the water tank 2 communicates with the water boiling tank 1 and the water storage tank 2. In the hot water pipe 19,
A valve device 20 that opens and closes is provided in the middle, and is closed while the electric pump 5 is energized, and water is supplied to the water boiling tank 1. At this time, the water in the water boiling tank 1 is heated by the heater, the hot water is boiled, and the amount that exceeds the tip of the hot water return pipe 19 and the position of the hot water outlet 6 overflows and is supplied.

そして電動ポンプ5への通電が停止されると、戻湯管1
9の該弁装置20は開放状態となり、戻湯管19先端位
置を越える湯が、戻湯管19を介して貯水槽2に戻る。
Then, when the electricity to the electric pump 5 is stopped, the return pipe 1
The valve device 20 of No. 9 is in an open state, and hot water exceeding the tip position of the return hot water pipe 19 returns to the water storage tank 2 via the return hot water pipe 19.

また、湯の加熱時の膨張分の熱量を貯水槽2に戻すこと
で熱ロスを少なくし、加熱による給湯効率を向上させる
と共に、出湯口18からの湯の後だれも完全に防止され
る。
Furthermore, heat loss is reduced by returning the amount of heat corresponding to the expansion during heating of the hot water to the water storage tank 2, improving the efficiency of hot water supply by heating, and completely preventing hot water from flowing out from the hot water outlet 18.

尚、湯沸゛槽上力に貯水槽を配置すれば、この貯水槽か
ら水の自重により送水管を介して湯沸槽へ水が送給され
、湯沸槽の下方に配置されたヒーターにて加熱され、湯
が沸かされる。
Furthermore, if a water storage tank is placed above the water boiling tank, water will be sent from this water storage tank to the water boiling tank via the water pipe due to its own weight, and will be sent to the heater located below the water boiling tank. The water is heated and the water is boiled.

そして前述の如く沸かされた湯は、湯沸槽に送給される
水により、湯沸槽上方に設けられた出湯口から溢れ出る
ことで給湯され、湯が後だれすることはない。
The hot water that has been boiled as described above is supplied by the water sent to the water boiling tank and overflows from the outlet provided above the water boiling tank, so that hot water does not drip.

(実施例) 以下、図面を参照して本発明の詳細な説明する。(Example) Hereinafter, the present invention will be described in detail with reference to the drawings.

図において示される符号Aは、下方に配置したヒーター
3にて湯を沸し上げる湯沸槽1と、電動ポンプ5により
湯沸槽1下方位置へ送水管4を介して水を送給する貯水
槽2と、/A沸槽1の下方位置に送給された水により湯
が溢れ出るようf:i沸槽1上方に設けられた出湯口6
とを函体30に格納し、函体30底部にキャスター31
を配設して成る給湯器本体である。
Reference numeral A shown in the figure indicates a water tank 1 in which hot water is boiled by a heater 3 disposed below, and a water storage tank 1 in which water is sent to a position below the water boiler tank 1 by an electric pump 5 via a water pipe 4. A hot water outlet 6 is provided above f:i boiling tank 1 so that hot water overflows from the water fed to the lower position of tank 2 and /A boiling tank 1.
and are stored in the box 30, and casters 31 are placed on the bottom of the box 30.
This is the main body of the water heater.

すなわち、第3図で示す如く、貯水槽2から湯沸槽1の
底部に接続された送水管4の中途に、貯水槽2内に貯水
された水を湯沸槽1へ送給するための電動ポンプ5が設
けられ、この電動ポンプ5を作動させるモーター5Aに
、押圧状態で通電させる出湯スイッチ7が配線されてい
る。そして、送水管4の湯沸槽1と電動ポンプ5との間
には、出湯スイッチ7を押圧して“ON“状態のときに
は“開”状態で貯水槽2内の水が湯沸槽1内に送給でき
、出湯スイッチ7の押圧を止めて“Or’F“状態のと
きには“閉“状態となり、通電停止後の電動ポンプ5の
惰性空まわりによる送水が遮断される弁装置8が設けら
れている。しかしてこの弁装置8は、第3図に示す如く
、送水管4の送水口を閉塞すべくスプリング8b先端に
球体8aが配設されており、出湯スイッチ7“ON”で
電動ポンプ5が作動して送水中はその水圧により球体8
aが押されて“開”状態となる一方、出湯スイッチ7“
OFF“とするも電動ポンプ5の惰性空まわりにより送
水された際は、スプリング8bの押圧力で球体8aによ
り閉塞され、その送水が完全に遮断されるもの′であり
、スプリング8bを押圧して圧力を調整する摘部8Cが
設けられて成る。このように弁装置8の構成を球体8a
、スプリング8b、摘部8cとから構成すれば、貯水槽
2から湯沸槽1への送水を確実に遮断することができ、
しかもその構成が簡単で低コストにて提供できる。
That is, as shown in FIG. 3, a water pipe 4 connected from the water storage tank 2 to the bottom of the water heating tank 1 is provided with a pipe for feeding water stored in the water storage tank 2 to the water heating tank 1. An electric pump 5 is provided, and a motor 5A that operates the electric pump 5 is wired with a hot water tap switch 7 that energizes when pressed. Between the water boiling tank 1 and the electric pump 5 of the water pipe 4, when the hot water tap switch 7 is pressed and turned on, the water in the water tank 2 is opened and the water flows into the water boiling tank 1. A valve device 8 is provided, which is in a "closed" state when the press of the hot water switch 7 is stopped and the water is in the "Or'F" state, thereby cutting off water supply due to inertia of the electric pump 5 after energization is stopped. ing. However, as shown in FIG. 3, the lever valve device 8 has a sphere 8a disposed at the tip of a spring 8b to close the water inlet of the water pipe 4, and the electric pump 5 is activated when the hot water tap switch 7 is turned on. When water is supplied, the water pressure causes the sphere 8 to
a is pressed and enters the "open" state, while the hot water tap switch 7"
When water is supplied by the inertia of the electric pump 5, it is blocked by the sphere 8a due to the pressing force of the spring 8b, and the water supply is completely cut off. A knob 8C for adjusting the pressure is provided.In this way, the configuration of the valve device 8 is changed to the spherical body 8a.
, the spring 8b, and the gripping part 8c, the water supply from the water tank 2 to the water boiling tank 1 can be reliably blocked.
Furthermore, the configuration is simple and can be provided at low cost.

一方、湯沸槽1内に送給された水は、湯沸槽1の出湯ロ
6位置までは常に貯水されており、同時にヒーター3に
より加熱される。ヒーター3は、出湯ロ6位置より稍下
方に配設された温度センサー9にて湯の温度が感知され
、コントローラー10により所定温度に維持されるべく
制御されている。
On the other hand, the water fed into the water boiling tank 1 is always stored up to the hot water outlet 6 position of the water boiling tank 1, and is heated by the heater 3 at the same time. The temperature of the hot water in the heater 3 is sensed by a temperature sensor 9 disposed slightly below the hot water outlet 6 position, and is controlled by a controller 10 to maintain the temperature at a predetermined temperature.

そして、出湯口6は、第3図に示す如く管材にて成形さ
れ、湯沸槽1上方に配設されており、出湯スイッチ7押
圧による電動ポンプ5の作動により、貯水槽2の水を湯
沸槽1内の底部へ送水することで溢れた熱湯が、流れ出
て給湯されるよう形成されている。この湯沸槽1底部の
送水管4の出口上方には、緩衝体11が配設されており
、送水管4からの送水による水圧を和らげ、湯沸槽1内
で沸し上げられた熱湯が撹拌されることなく湯沸槽1底
部に水が送給される。
As shown in FIG. 3, the hot water outlet 6 is formed of a pipe material and is disposed above the hot water tank 1, and the water in the water tank 2 is turned into hot water by operating the electric pump 5 when the hot water tap switch 7 is pressed. The boiling tank 1 is configured so that the overflowing hot water that flows to the bottom of the boiling tank 1 flows out and is supplied with hot water. A buffer body 11 is disposed above the outlet of the water pipe 4 at the bottom of the water boiling tank 1, which relieves the water pressure caused by the water sent from the water pipe 4 and prevents the boiling water boiling in the water boiling tank 1 from flowing. Water is fed to the bottom of the water boiling tank 1 without being stirred.

符号12は出湯口6から溢れ出た熱湯を受けるシンクで
あり、給湯中に零れた熱湯を排湯管13を介して排湯槽
14に流すものである。
Reference numeral 12 is a sink for receiving hot water overflowing from the hot water outlet 6, and is for flowing hot water spilled during hot water supply into a hot water tank 14 via a hot water drain pipe 13.

尚、符号15は、排湯槽14内での排湯の満水状態を感
知する排湯満水警報電極、16は貯水槽2内の渇水状態
を感知する渇水警報電極、17は湯沸槽1の渇水状態を
感知する空焚防止センサーであり、排湯満水警報電極1
5、渇水警報電極16、空焚防止センサー17は温度セ
ンサー9同様夫々コントローラー10に配線されて、排
湯槽14の満水状態、貯水槽2、湯沸槽1の渇水状態が
感知されるとアラーム表示が点燈しくブザー等を併用し
ても良い)、ヒーター3及び電動ポンプ5への通電が停
止される安全装置となっている。尚、排湯満水警報電極
15、渇水警報電極16はこれに限定されず、他の液面
制御装置を使用できることは勿論である。
In addition, reference numeral 15 is a discharge hot water full alarm electrode that senses the full state of discharged hot water in the discharge hot water tank 14, 16 is a water shortage alarm electrode that detects a water shortage state in the water storage tank 2, and 17 is a water shortage state of the hot water tank 1. It is a dry heating prevention sensor that detects the state, and the exhaust water full water alarm electrode 1
5. The water shortage alarm electrode 16 and the dry heating prevention sensor 17 are wired to the controller 10 as well as the temperature sensor 9, and an alarm is displayed when a full water state of the hot water tank 14 or a dry state of the water storage tank 2 and the hot water tank 1 is detected. This is a safety device in which the heater 3 and the electric pump 5 are stopped from being energized. It should be noted that the exhaust hot water full alarm electrode 15 and the water shortage alarm electrode 16 are not limited to these, and it goes without saying that other liquid level control devices can be used.

次に本発明の第2実施例について第4図を参照して説明
する。
Next, a second embodiment of the present invention will be described with reference to FIG.

しかして、湯沸槽1の下方に貯水槽2を配置し、湯沸槽
1と貯水槽2とに連通し、先端部が湯沸槽1の出湯口1
8より低い位置まで突出する戻湯管19が設けである。
Therefore, a water storage tank 2 is arranged below the water boiling tank 1, and communicates with the water boiling tank 1 and the water storage tank 2, and the tip thereof is connected to the outlet 1 of the water boiling tank 1.
A return pipe 19 that protrudes to a position lower than 8 is provided.

この戻湯管19の中途には、電動ポンプ5へ通電中は閉
鎖状態となり、通電が停止されると開放状態となる弁装
置20が配設されている。すなわち、この弁装置20は
出湯スイッチ7に配線され、出湯スイッチ7押圧による
“ON”状態で通電されて“閉”状態となる電磁弁であ
る。
A valve device 20 is disposed in the middle of the return pipe 19, which is in a closed state while the electric pump 5 is energized and is in an open state when the energization is stopped. That is, this valve device 20 is an electromagnetic valve that is wired to the hot water tap switch 7 and is energized to be in the "closed" state when the hot water tap switch 7 is pressed in the "ON" state.

そしてその他は、前述した第3図で示す第1実施例の場
合とほぼ同様の構成を有し、注水口21から注水されて
貯水槽2中に貯水され、た水は、出湯スイッチ7抑圧に
よる通電状態で弁装置20が閉鎖されると共に電動ポン
プ5が作動し、送水管4を介して湯沸槽1底部に送給さ
れる。22は、この電動ポンプ5により送られる水量を
調整するための送水量調整バルブ22である。一方、湯
沸槽1内に送給された水は、温度センサー9、空焚防止
センサー17に感知され、コントローラー10によりヒ
ーター3が管理制御されることで所定温度となるよう加
熱され、貯水槽2からの送水で出湯口18から溢れて出
湯される。
The rest of the structure is almost the same as that of the first embodiment shown in FIG. In the energized state, the valve device 20 is closed, the electric pump 5 is activated, and water is supplied to the bottom of the water boiling tank 1 via the water pipe 4. Reference numeral 22 denotes a water supply amount adjustment valve 22 for adjusting the amount of water sent by this electric pump 5. On the other hand, the water fed into the water boiling tank 1 is sensed by the temperature sensor 9 and the dry heating prevention sensor 17, and is heated to a predetermined temperature by controlling the heater 3 by the controller 10. The water supplied from 2 overflows from the hot water outlet 18 and is tapped out.

出湯スイッチ7から手を離して通電が停止されると、電
動ポンプ5の作動が停止して湯沸槽1への送水が停止さ
れると同時に、弁装置20が開放されて湯沸槽1内の戻
湯管19の先端を越える熱湯が戻湯管19を介して貯水
槽2に流れ込む。したがって、ヒーター3による加熱時
の膨張部の熱量が貯水槽2に戻り、熱ロスが僅少となる
。しかも、出湯スイッチ7“OFF”後多少電動ポンプ
5の空まわりによる送水があったとしても、出湯口18
の位置から戻湯管19先端までの熱湯が戻湯管19によ
り流れ出るので、これにより熱湯が出湯口18から後だ
れすることもない。
When the hot water tap switch 7 is released and the electricity is turned off, the operation of the electric pump 5 is stopped and the water supply to the water boiling tank 1 is stopped, and at the same time, the valve device 20 is opened and the inside of the water boiling tank 1 is stopped. Hot water exceeding the tip of the return pipe 19 flows into the water storage tank 2 via the return pipe 19. Therefore, the amount of heat in the expanded portion during heating by the heater 3 is returned to the water tank 2, and heat loss is minimized. Moreover, even if some water is supplied due to the idle running of the electric pump 5 after the hot water tap switch 7 is turned OFF, the hot water tap 18
Since the hot water from the position to the tip of the return pipe 19 flows out through the return pipe 19, the hot water does not drip from the outlet 18.

尚、出湯口18の形状を第4図に示す如くクランク状に
形成しておけば、出湯スイッチ7″opp ’で送水停
止の際に、熱湯が出湯口18内で停滞することがないか
ら、いわゆる水切れが良くなる。
Furthermore, if the shape of the tap water outlet 18 is formed into a crank shape as shown in FIG. 4, the hot water will not stagnate in the tap hole 18 when the water supply is stopped by the hot water tap switch 7"opp'. So-called drainage becomes better.

そして第3実施例について、第5図を参照して説明すれ
ば、基本的な構成は第4図で示す第2実施例とほぼ同様
であるが、送水管4の湯沸槽1と送水量調整バルブ22
との間にも弁装置23を設けて出湯スイッチ7に配線さ
れている。弁装置23は弁装置20同様電磁弁であるが
、出湯スイッチ7を押圧して通電状態のときには弁装置
2oが閉鎖状態になるのに対して開放状態となり、電動
ポンプ5により貯水槽2から湯沸槽1へ送水される。一
方出湯スイッチ7から手を離して通電を停止すると弁装
置20は開放され、弁装置23は閉鎖されるよう作動し
、湯沸槽1内の出湯口24がら戻湯管19先端を越える
熱湯が戻湯管19に流れ込み、その水位が戻湯管19先
端位置まで下がると共に、電動ポンプ5の惰性窓まわり
による送水が完全に遮断される。
The third embodiment will be described with reference to FIG. 5. The basic configuration is almost the same as the second embodiment shown in FIG. Adjustment valve 22
A valve device 23 is also provided between the hot water supply switch 7 and the hot water supply switch 7. The valve device 23 is a solenoid valve like the valve device 20, but when the hot water tap switch 7 is pressed and the water is energized, the valve device 2o is in the closed state, whereas it is in the open state, and the electric pump 5 draws hot water from the water tank 2. Water is sent to boiling tank 1. On the other hand, when you release your hand from the hot water tap switch 7 to stop the power supply, the valve device 20 is opened and the valve device 23 is operated to close, causing hot water to flow through the hot water tap 24 in the water boiling tank 1 and beyond the tip of the return pipe 19. The hot water flows into the return pipe 19, and the water level drops to the tip of the return pipe 19, and the water supply around the inertia window of the electric pump 5 is completely shut off.

また、出湯口24は、側面略下向鉤状の管材にて成形さ
れ、基部が稍鋭角に折曲されて湯沸槽1内に突出するよ
う取付けられており、このように形成すれば、出湯スイ
ッチ7押圧による給湯時は、湯沸槽1内の水面は最も高
い位置となる出湯口24の折曲部まで至り、通電“OF
F”による給湯停止時には水面が戻湯管19先端位置ま
で下がり、出湯口24内で熱湯が停止することがないか
ら水切れが極めて良好となる。
Further, the tap water outlet 24 is formed of a tube material having a substantially downward hook-shaped side surface, and is attached so that the base part is bent at a slightly acute angle and protrudes into the water boiling tank 1. If formed in this way, When hot water is supplied by pressing the hot water tap switch 7, the water level in the water boiling tank 1 reaches the highest position, the bent part of the hot water tap 24, and the current is turned on.
When the hot water supply is stopped due to F'', the water level drops to the tip of the return pipe 19, and the hot water does not stop inside the hot water outlet 24, so water drains very well.

符号25は、湯沸槽1内の沸し上げられた熱湯を保温す
るための保温材である。
Reference numeral 25 denotes a heat insulating material for keeping the boiling hot water in the water boiling tank 1 warm.

尚、図示は省略したが、第4実施例について説明すれば
、例えば、下方に配置したヒーターにて湯を沸し上げる
湯沸槽上方に貯水槽を配置し、この貯水槽から湯沸槽に
送水管を連結して、送水管の途中に設けた弁装置の開閉
で水の自重により湯沸槽に水を送給すべく形成する。そ
して、湯沸槽に送給された水により湯が溢れ出るよう湯
沸槽上方に出湯口を設け、これらをキャスターが配設さ
れた移動自在な函体に格納するなど、その他の構成は、
他の実施例と同様である。
Although not shown in the drawings, the fourth embodiment will be described. For example, a water storage tank is placed above a water boiling tank in which water is boiled by a heater placed below, and a water tank is connected to the water boiling tank from the water storage tank. Water pipes are connected to each other, and water is supplied to the water boiling tank by the water's own weight by opening and closing a valve device installed in the middle of the water pipes. Other configurations include providing a hot water outlet above the water boiling tank so that hot water can overflow from the water fed to the water boiling tank, and storing these in a movable box equipped with casters.
This is similar to other embodiments.

また、湯沸槽からヒーターを外して単なる給湯槽とし、
貯水槽を予め沸かされた熱湯を溜めておく貯湯種薯と形
成しておいてもよい。この場合、給湯槽、貯湯槽は、例
えば魔法瓶の如く真空二重壁構造にする等充分保温力を
有するように形成しておくものである。
Also, you can remove the heater from the hot water tank and use it as a simple hot water tank.
The water storage tank may be formed as a hot water tank for storing pre-boiled hot water. In this case, the hot water supply tank and the hot water storage tank are formed to have sufficient heat retaining power, such as having a vacuum double wall structure like a thermos flask.

また、これらを格納する函体30には、第19図及び第
2図に示す如く、給湯器本体A移動させるための取手3
2、盆を収納しておく盆収納部33、紙コツプのデイス
ペンサー34、茶、コーヒーミルク、砂糖、カップ等を
収納しておくための収納棚35、使用済紙コツプ等の廃
棄物収納部(図示せず)の投入口36、給湯システムを
点検するための点検口37、排湯槽14内の排湯を捨て
るための排湯槽数出口38、貯水槽2に注水するため開
かれる給水口39、及びその給水口用取手40が夫々配
設されている。
In addition, as shown in FIGS. 19 and 2, the box 30 that stores these items has a handle 3 for moving the water heater main body A.
2. Tray storage section 33 for storing trays, paper cup dispenser 34, storage shelf 35 for storing tea, coffee milk, sugar, cups, etc., waste storage section for used paper cups, etc. (not shown), an inspection port 37 for inspecting the hot water supply system, a hot water tank number outlet 38 for discarding the hot water in the hot water tank 14, and a water supply port 39 that is opened to pour water into the water tank 2. , and a handle 40 for its water supply port are provided, respectively.

(発明の効果) 上述の如く構成した本発明は、下方に配置したヒーター
3にて湯を沸し上げる湯沸槽1と、電動ポンプ5により
湯沸槽1下方位置へ送水管4を介して水を送給する貯水
槽2と、この湯沸槽1下方位置に送給された水により湯
が溢れ出るよう湯沸槽1上方に設けられた出湯口6,1
8.24とをキャスター31が配設された移動自在な函
体3゜に格納したから、給湯システムをコンパクトにし
て必要な場所に自在に移動することができる。
(Effects of the Invention) The present invention configured as described above includes a water boiling tank 1 in which hot water is boiled by a heater 3 disposed below, and an electric pump 5 passing water to a position below the water boiling tank 1 via a water pipe 4. A water storage tank 2 for supplying water, and a hot water outlet 6, 1 provided above the water boiling tank 1 so that the water supplied to the lower position of the water boiling tank 1 overflows with hot water.
8.24 is housed in a movable 3° box equipped with casters 31, so the hot water supply system can be made compact and can be moved freely to any required location.

すなわち、給湯器本体Aを、各部屋、あるいは廊下等の
コーナ等必要とする各場所に分散して配置しておくこと
が簡単にでき、従来給湯室で行なっていた給茶作業を、
必要とする場所あるいはその近くで行なうことができる
。したがって、給茶作業に従事する人の負担を軽減する
ことができるから専従者を必要とせず、人材、の省力化
、効率の良い人材活用が図れる。
In other words, the water heater main unit A can be easily distributed and placed in various locations where it is needed, such as in each room or in the corner of a hallway, and the tea supply work that was conventionally done in the hot water supply room can now be done easily.
It can be done at or near the location where it is needed. Therefore, it is possible to reduce the burden on the person engaged in tea serving work, eliminating the need for full-time workers, resulting in labor savings and efficient use of human resources.

しかも、電動ポンプ5にて貯水槽2から送水管4を介し
て湯沸槽1に送給された水は、湯沸槽1の下方に配置さ
れたヒーター3にて加熱されて適宜熱湯となり、更に湯
沸槽1下方へ送給される水により、湯沸槽1上方に設け
られた出湯口6から溢れ出て給湯されるから、湯沸槽1
上方の熱い湯から効率良く給湯できると共に、送水管4
からの送水が停止゛されると直ちに出湯口6からの出湯
も停止することとなって、給湯停止後の湯の後だれがな
くなる。
Moreover, the water fed from the water storage tank 2 to the water boiling tank 1 via the water pipe 4 by the electric pump 5 is heated by the heater 3 disposed below the water boiling tank 1 and becomes appropriately hot water. Furthermore, the water supplied to the lower part of the water boiling tank 1 overflows from the hot water outlet 6 provided above the water boiling tank 1 and is supplied with hot water.
In addition to efficiently supplying hot water from the hot water above, the water pipe 4
Immediately after the supply of water from the outlet 6 is stopped, hot water from the hot water outlet 6 is also stopped, and there is no dripping of hot water after the hot water supply is stopped.

また、貯水槽2の水を湯沸槽1に送給する送水管4の中
途に、通電停止後の電動ポンプらの惰性空まわりによる
送水を遮断する弁装置8を採用したことで、通電停止後
の電動ポンプ5の惰性空まわりによる湯lJp槽1への
送水が完全に遮断され、通電停止後、たとえ電動ポンプ
5の惰性空まわりがあったとしても、これによる湯の後
だれが完全に防止できる。
In addition, a valve device 8 is installed in the middle of the water pipe 4 that supplies water from the water storage tank 2 to the hot water tank 1, which cuts off the water supply due to inertia of the electric pump etc. after the energization is stopped, so that the energization is stopped. The water supply to the hot water tank 1 due to the inertia of the electric pump 5 is completely cut off, and even if the electric pump 5 is idle due to inertia, after the electricity supply is stopped, the flow of hot water due to this is completely stopped. It can be prevented.

また、湯沸槽1の下方に貯水槽2が配置され、湯沸槽1
と貯水槽2とに連通し、先端部が湯沸槽1の出湯口6よ
り低い位置まで突出する戻湯管19を形成し、この戻湯
管19の中途には、電動ポンプ5に通電中は閉鎖状態と
なり、通電が停止されると開放状態となるよう作動する
弁装置20を採用したことで、送水管4により湯沸槽1
に送水中はこの弁装置20が閉鎖されて湯沸槽1内に給
水されると共に、ヒーター3により加熱されて湯が沸か
され、戻湯管19の先端を越えて出湯口6の位置を越え
る分が出湯口6から溢れ出て給湯される。一方、貯水槽
2からの送水を停止すると戻湯管19の弁装置20が開
放され、戻湯管19先端位置を越える湯が直ちに戻湯管
19を介して貯水槽2に戻る。
Further, a water storage tank 2 is arranged below the water boiling tank 1.
A hot water return pipe 19 is formed, which communicates with the water storage tank 2 and whose tip protrudes to a position lower than the hot water outlet 6 of the hot water tank 1. By adopting a valve device 20 that operates so that the water tank 1 is in a closed state and the water supply pipe 4 is in an open state when electricity is stopped, the water boiling tank 1 is
When water is being supplied, this valve device 20 is closed and water is supplied into the hot water tank 1, and at the same time, the water is heated by the heater 3 and boiled, passing over the tip of the hot water return pipe 19 and exceeding the position of the hot water outlet 6. The water overflows from the hot water outlet 6 and hot water is supplied. On the other hand, when the water supply from the water storage tank 2 is stopped, the valve device 20 of the return hot water pipe 19 is opened, and the hot water that exceeds the tip of the return hot water pipe 19 immediately returns to the water storage tank 2 via the return hot water pipe 19.

したがって、電動ポンプ5への通電を停止すると湯ig
cWJl内の湯の水位は、直ちに、しかも確実に出湯ロ
6位置から下がるため、給湯停止後の湯の後だれを確実
に防止できると共に、加熱時の熱湯の膨張分の熱量が貯
水槽2に戻り、熱ロスが僅少となって給湯の熱効率を著
しく向上できる。
Therefore, when the electricity to the electric pump 5 is stopped, the hot water
Since the water level in the cWJl immediately and reliably falls from the hot water outlet position 6, it is possible to reliably prevent the water from dripping after the hot water supply is stopped, and the amount of heat equivalent to the expansion of the hot water during heating is transferred to the water storage tank 2. As a result, heat loss is minimized and the thermal efficiency of hot water supply can be significantly improved.

尚、下方に配置したヒーターにて湯を沸し上げる湯沸槽
と、湯沸槽上方に配置され、水の自重により送水管を介
して湯沸槽に水を送給する貯水槽と、湯沸槽に送給され
た水により湯が溢れ出るよう湯沸槽上方に設けられた出
湯口とを、キャスターが配設された移動自在な函体に格
納したことで、電動ポンプ5を必要とすることなく、こ
の貯水槽から水の自重により送水管を介して湯沸槽へ水
が送給できるから、極めてコンバクとに形成できると共
に、湯沸槽に送給される水により、湯沸槽上方に設けら
れた出湯口から溢れ出ることで給湯されるから、湯が後
だれすることもない。
In addition, there is a water tank that boils water with a heater placed below, a water storage tank that is placed above the water tank and uses the water's own weight to send water to the water tank via a water pipe, and The electric pump 5 is not required because the hot water outlet provided above the water boiling tank is housed in a movable box equipped with casters so that hot water can overflow from the water fed to the boiling tank. Since water can be sent from this water storage tank to the water boiling tank via the water pipe by its own weight without causing any damage, it can be formed extremely compactly. The hot water is supplied by overflowing from the hot water spout located above, so there is no need for hot water to drip.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発明の実施例を例示し、第1図は前方向から見
た斜視図、第2図は後方向から見た斜視図、第3図は内
部構造及び制御回路を示す概略図であり、第4図及び第
5図は他の実施例を示し、第4図は第2実施例における
内部構造及び制御回路を示す概略図、第5図は第3実施
例における同上図である。 A・・・給湯器本体、1・・・湯沸槽、2・・・貯水槽
、3・・・ヒーター 4・・・送水管、5・・・電動ポ
ンプ、5A・・・モーター 6・・・出湯口、7・・・
出湯スイッチ、8・・・弁装置、8a・・・球体、8b
・・・スプリング、8c・・・摘部、9・・・温度セン
サー 10・・・コントローラ11・・・緩衝体、12
・・・シンク、13・・・排湯管、14・・・排湯槽、
15・・・排湯満水警報電極、16・・・渇水警報電極
、17・・・空焚防止センサー 18・・・出湯口、1
9・・・戻湯管、20・・・弁装置、21・・・注水口
、22・・・送水量調整バルブ、23・・・弁装置、2
4・・・出湯口、25・・・保温材、30・・・函体、
31・・・キャスター 32・・・取手、33・・・盆
収納部、34・・・デイスペンサー 35・・・収納棚
、36・・・投入口、37・・・点検口、38・・・排
湯槽数出口、39・・・給水口、40・・・給水口用取
手。
The drawings illustrate an embodiment of the present invention; FIG. 1 is a perspective view as seen from the front, FIG. 2 is a perspective view as seen from the rear, and FIG. 3 is a schematic diagram showing the internal structure and control circuit. , FIG. 4 and FIG. 5 show other embodiments, FIG. 4 is a schematic diagram showing the internal structure and control circuit in the second embodiment, and FIG. 5 is the same diagram as above in the third embodiment. A...Water heater body, 1...Water tank, 2...Water tank, 3...Heater 4...Water pipe, 5...Electric pump, 5A...Motor 6...・Outlet, 7...
Hot water tap switch, 8... Valve device, 8a... Sphere, 8b
. . . Spring, 8c . . . Clamping portion, 9 . . Temperature sensor 10 .
... Sink, 13... Discharge pipe, 14... Discharge tank,
15... Exhaust hot water full water alarm electrode, 16... Water shortage alarm electrode, 17... Dry firing prevention sensor 18... Tap water outlet, 1
9... Return hot water pipe, 20... Valve device, 21... Water inlet, 22... Water supply amount adjustment valve, 23... Valve device, 2
4... Tap water outlet, 25... Heat insulating material, 30... Box,
31... Caster 32... Handle, 33... Tray storage section, 34... Dispenser 35... Storage shelf, 36... Inlet, 37... Inspection port, 38... Exhaust water tank number outlet, 39...water inlet, 40...handle for water inlet.

Claims (1)

【特許請求の範囲】 1、下方に配置したヒーターにて湯を沸し上げる湯沸槽
と、電動ポンプにより湯沸槽下方位置へ送水管を介して
水を送給する貯水槽と、湯沸槽の下方位置に送給された
水により湯が溢れ出るよう湯沸槽上方に設けられた出湯
口とを、キャスターが配設された移動自在な函体に格納
したことを特徴とする移動式給湯器。 2、貯水槽の水を湯沸槽に送給する送水管の中途に、通
電停止後の電動ポンプの惰性空まわりによる送水を遮断
する弁装置を設けた請求項1記載の移動式給湯器。 3、湯沸槽の下方に貯水槽を配置し、湯沸槽と貯水槽と
に連通し、先端部が湯沸槽の出湯口より低い位置まで突
出する戻湯管を設け、戻湯管の中途には、電動ポンプへ
通電中は閉鎖状態となり、該通電が停止されると開放状
態となるよう作動する弁装置を設けた請求項1記載の移
動式給湯器。 4、下方に配置したヒーターにて湯を沸し上げる湯沸槽
と、湯沸槽上方に配置され、水の自重により送水管を介
して湯沸槽に水を送給する貯水槽と、湯沸槽に送給され
た水により湯が溢れ出るよう湯沸槽上方に設けられた出
湯口とを、キャスターが配設された移動自在な函体に格
納したことを特徴とする移動式給湯器。
[Claims] 1. A water boiler that boils water with a heater placed below, a water tank that supplies water to a position below the water boiler via a water pipe by an electric pump, and a water boiler. A mobile type characterized in that a hot water outlet provided above the water boiling tank so that hot water overflows from the water fed to the lower position of the tank is housed in a movable case equipped with casters. Water heater. 2. The mobile water heater according to claim 1, further comprising a valve device disposed in the middle of the water pipe that feeds water from the water storage tank to the hot water tank to shut off water feeding due to inertia of the electric pump after energization is stopped. 3. Place a water storage tank below the water boiling tank, provide a return pipe that communicates with the water tank and the water tank, and whose tip protrudes to a position lower than the hot water outlet of the water boiler. 2. The mobile water heater according to claim 1, further comprising a valve device which is operated to be in a closed state when the electric pump is energized and to be in an open state when the energization is stopped. 4. A water tank that boils water with a heater placed below, a water storage tank that is placed above the water tank and sends water to the water tank via a water pipe using the water's own weight; A mobile water heater characterized in that a hot water outlet provided above the water boiling tank so that hot water overflows from the water sent to the boiling tank is housed in a movable box equipped with casters. .
JP17859388A 1988-07-18 1988-07-18 Mobile hot water supply apparatus Pending JPH0229541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17859388A JPH0229541A (en) 1988-07-18 1988-07-18 Mobile hot water supply apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17859388A JPH0229541A (en) 1988-07-18 1988-07-18 Mobile hot water supply apparatus

Publications (1)

Publication Number Publication Date
JPH0229541A true JPH0229541A (en) 1990-01-31

Family

ID=16051173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17859388A Pending JPH0229541A (en) 1988-07-18 1988-07-18 Mobile hot water supply apparatus

Country Status (1)

Country Link
JP (1) JPH0229541A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002075224A1 (en) * 2001-03-02 2002-09-26 Yugen Kaisha Tfservice A heating apparatus using circulation of water
GB2394270A (en) * 2002-10-16 2004-04-21 R L T Design Ltd Water heater for portable toilets

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101946A (en) * 1973-01-11 1974-09-26
JPS53128033A (en) * 1977-04-15 1978-11-08 Sharp Corp Hot-water feeding apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49101946A (en) * 1973-01-11 1974-09-26
JPS53128033A (en) * 1977-04-15 1978-11-08 Sharp Corp Hot-water feeding apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002075224A1 (en) * 2001-03-02 2002-09-26 Yugen Kaisha Tfservice A heating apparatus using circulation of water
GB2394270A (en) * 2002-10-16 2004-04-21 R L T Design Ltd Water heater for portable toilets
GB2394270B (en) * 2002-10-16 2006-03-22 R L T Design Ltd Water heater

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