JP5322021B2 - Hot water storage type hot water supply device and channel opening / closing device for hot water storage type hot water heater - Google Patents
Hot water storage type hot water supply device and channel opening / closing device for hot water storage type hot water heater Download PDFInfo
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- JP5322021B2 JP5322021B2 JP2008159898A JP2008159898A JP5322021B2 JP 5322021 B2 JP5322021 B2 JP 5322021B2 JP 2008159898 A JP2008159898 A JP 2008159898A JP 2008159898 A JP2008159898 A JP 2008159898A JP 5322021 B2 JP5322021 B2 JP 5322021B2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 386
- 238000001514 detection method Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000008399 tap water Substances 0.000 claims description 2
- 235000020679 tap water Nutrition 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 16
- 238000009835 boiling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Description
本発明は、元止め式の貯湯式温水供給装置、及び、元止め式の貯湯式温水器と共に設置されて利用される流路開閉装置に関する発明である。 The present invention relates to a main-stop type hot water storage type hot water supply device and a flow path opening / closing device that is installed and used together with a main stop type hot water storage type hot water heater.
洗面器等に設置された水栓に対して専用に湯を供給するための小型の貯湯式電気温水器としては、電気ヒータによって湯を沸かしす電気温水器を用いること一般的である。この電気温水器には、先止め式と元止め式とがある。温水器を先止め式とする場合、安全基準を満たす必要があるので、減圧弁及び過圧逃し弁を装着して貯湯槽内の圧力を０．１ＭＰａ以下に保っている。このように減圧弁及び過圧逃し弁などを装着する必要があるために、従来の元止め式に比べて構成機器が多くなり、設備費用が高くなる不都合があった。また、減圧弁は及び過圧逃し弁、経年変化によって水漏れを起こす虞があるので、メンテナンスにも手間を要するものであった。 As a small hot water storage type electric water heater for supplying hot water exclusively to a faucet installed in a basin or the like, it is common to use an electric water heater that boils hot water with an electric heater. There are two types of electric water heaters: a front stop type and a main stop type. When the hot water heater is a first-stop type, it is necessary to satisfy safety standards, so a pressure reducing valve and an overpressure relief valve are attached to keep the pressure in the hot water tank at 0.1 MPa or less. As described above, since it is necessary to attach a pressure reducing valve, an overpressure relief valve, and the like, there are inconveniences that the number of components is increased and the equipment cost is increased as compared with the conventional stop type. In addition, the pressure reducing valve, the overpressure relief valve, and water leakage may occur due to secular change, so that maintenance is also required.
一方、温水器を元止め式とする場合は、貯湯槽の前で止水する構造なので、先止め式の温水器のように、減圧弁の装着は不要である。しかし、貯湯槽から先の二次側を開放にして貯湯槽内の膨張水を排出させるので、湯水混合水栓の蛇口から、この膨張水が自然排出される構造にならねばならず、そのため、この自然排出される膨張水が給湯器の故障によるものと勘違いされるケースがあり、また、利用できる水栓が限られてしまい、ユーザーに不満を与えることがあった。 On the other hand, when the water heater is of the original stop type, the structure is such that the water is stopped in front of the hot water tank, so that it is not necessary to install a pressure reducing valve as in the case of the front stop type water heater. However, since the secondary side from the hot water tank is opened and the expanded water in the hot water tank is discharged, the expanded water must be drained naturally from the faucet of the hot and cold water mixing faucet. There are cases where this naturally discharged expansion water is misunderstood to be due to a malfunction of the water heater, and the water faucets that can be used are limited, which may be frustrating for the user.
先止め式と元止め式との従来の長所を残し、且つ従来の欠点を改善するために、貯湯槽の給湯路側に混合機能を有する給湯バルブを装着し、給水路に開閉機能を有する給水バルブを装着し、これらの給湯バルブ、給水バルブを一つの混合水栓として連動して開閉すると共に、前記混合給水口から貯湯槽に至る給水路に、貯湯槽内の圧力を調整する圧力逃し弁を装着した貯湯電気温水器が提案されている（例えば、特許文献１参照。）。
この先行文献でも、先止め式の不具合要因であった減圧弁を廃止でき、従来の元止め式の不具合であった水栓からの膨張水排出を防止することができるが、そのためには専用水栓を用いる必要があり、電気温水器の設置に伴い、水栓を専用水栓に買い換えねばならない問題があった。
Even in this prior document, the pressure reducing valve that was the cause of the failure of the first stop type can be abolished and the discharge of the expansion water from the faucet, which was a problem of the previous stop type, can be prevented. There was a problem that it was necessary to replace the faucet with a dedicated faucet with the installation of the electric water heater.
本発明は、上記問題を解決するためになされたもので、本発明の課題は、元止め式電気温水器用の専用水栓を用いることなく、先止め式と元止め式との従来の長所を残し、且つ従来の欠点を改善した元止め式の貯湯式温水装置を提供することを目的とする。 The present invention has been made to solve the above-mentioned problems, and the object of the present invention is to provide the advantages of the conventional pre-stop type and the pre-stop type without using a dedicated water faucet for the pre-stop type electric water heater. It is an object of the present invention to provide a hot water storage type hot water storage device that remains and has improved the conventional drawbacks.
上記目的を達成するために本発明の貯湯式温水供給装置においては、ヒータを備え、給水された水を所定温度に加熱して貯湯しておく貯湯槽と、この貯湯槽へ給水源からの水を供給する給水路に設けられ、この給水路を開閉する給水弁と、前記貯湯槽から出湯先へ湯を供給する出湯路に設けられ、この出湯路内の流動を検知する流動検知手段と、前記給水弁より下流側に設けられ、前記貯湯槽内の圧力を蓄圧しておくアキュームレーターとを備え、前記流動検知手段が前記出湯路内の流動検知すると前記給水弁を開弁駆動し、流動停止を検知すると閉弁駆動する制御手段を備え、前記制御手段は、前記流動検知手段が前記出湯路内の流動停止を検知してから所定ディレイ時間の経過後に前記給水弁を閉弁することを特徴とする。
In order to achieve the above object, in the hot water storage type hot water supply apparatus of the present invention, there is provided a heater, a hot water storage tank for storing hot water by heating the supplied water to a predetermined temperature, and water from the water supply source to the hot water storage tank. A water supply valve that opens and closes the water supply path, a water supply passage that supplies hot water from the hot water storage tank to the hot water outlet, and a flow detection means that detects the flow in the hot water supply path, wherein provided on the downstream side of the water supply valve, wherein a Accu over Mureta to be pressed 蓄pressure of the hot water storage tank, said flow detection means is opened drives the water supply valve to flow detection in the tapping passage, Control means for driving the valve to close when detecting a flow stop is provided , and the control means closes the water supply valve after a lapse of a predetermined delay time after the flow detection means detects a flow stop in the tap water passage. It is characterized by.
この貯湯式温水供給装置においては、給水路の給水弁を開閉して出湯する元止め式であるため、減圧弁や過圧逃し弁を用いる必要がなく、減圧弁や過圧逃し弁の劣化による水漏れなどの心配を無くせる。また、給湯路に設けたアキュームレーターに蓄圧しておくことにより、水栓を開くと給湯路に流動発生するようにし、その流動検知して給水弁を開く構成であり、しかも、アキュームレーターによって、膨張水分の容積を吸収することができるため、水栓としては元止め式の専用水栓を用いる必要がなく、既設の先止め用水栓を利用することができる。また従来先止め水栓を電気温水器で使用する場合には必ず必要であった膨張水排水処理装置も、アキュームレーターによって膨張水を吸収するため設置する必要が無くなり、施工性の向上や配管周りの意匠、また膨張水処理装置による排水管からの汚水逆流などが無くなり、信頼性を向上することができる。
また、流動停止してから給水弁を閉じるまでに所定のタイムラグを発生させることができ、そのタイムラグの間に給水源の水圧を利用してアキュームレーターに蓄圧することができ、水栓を開くと確実に給湯路内に流動を生じさせて、給水弁を開くことが可能となる。
In this hot water storage type hot water supply device, since it is a main stop type that opens and closes the water supply valve of the water supply passage, it is not necessary to use a pressure reducing valve or an overpressure relief valve. Eliminate worries about water leaks. Further, by previously accumulated in Accu over Suit of Lights over that provided in the hot water supply passage and open the faucet so as to flow generator to the hot water supply path is its flow detection to open the water supply valve structure, moreover, the accumulator Les by COMPUTER, it is possible to absorb the volume of the expansion water, the faucet is not necessary to use a dedicated faucet stop type, it can be utilized existing previous stop faucet. In addition, the expansion water drainage treatment device, which was always necessary when using a water tap with a conventional water faucet, is no longer required to be installed because the accumulator absorbs the expansion water. In addition, the backflow of sewage from the drain pipe by the expanded water treatment apparatus is eliminated, and the reliability can be improved.
In addition, a predetermined time lag can be generated from when the flow is stopped until the water supply valve is closed, and during that time lag, the water pressure of the water supply source can be used to accumulate pressure in the accumulator, and when the faucet is opened It is possible to reliably cause a flow in the hot water supply path and open the water supply valve.
また、前記の貯湯式温水供給装置においては、前記アキュームレータは、前記給水弁と前記貯湯タンクとの間の給水路に接続されているものとすることにより、アキュムレータが給水路に接続されているため、貯湯槽で加熱された温水が流入しないため、アキュームレータの信頼性を向上させることができる。 Further, in the hot water storage type hot water supply device, the accumulator is connected to a water supply path between the water supply valve and the hot water storage tank so that the accumulator is connected to the water supply path. Since the hot water heated in the hot water storage tank does not flow, the reliability of the accumulator can be improved.
また、前記の貯湯式温水供給装置においては、前記給水路の前記給水弁より上流側に分岐継手を備え、この分岐継手によって前記給水路から出湯先へ向かうバイパス給水路が形成されているものとすることにより、分岐継手という簡単な構成により、水栓として混合機能タイプのものを用いることも可能となる。 Further, in the hot water storage type hot water supply apparatus, a branch joint is provided on the upstream side of the water supply valve of the water supply path, and a bypass water supply path from the water supply path to the hot water outlet is formed by the branch joint. By doing so, it is possible to use a mixing function type faucet with a simple structure called a branch joint.
また、本発明の貯湯式温水器用の流路開閉装置においては、第一流入口と第一流出口とを結ぶ管路に設けられた給水弁と、第二流入口と第二流出口とを結ぶ管路に設けられた流動検知手段と、前記給水弁と前記第一流出口との間、又は、前記第二流入口と前記流動検知手段との間に設けられたアキュームレーターと、前記流動検知手段が流動検知すると前記給水弁を開閉駆動する制御手段とを備え、前記制御手段は、前記流動検知手段が前記第二流入口と前記第二流出口とを結ぶ前記管路内の流動停止を検知してから所定ディレイ時間の経過後に前記給水弁を閉弁することを特徴とする。
Moreover, in the flow path opening / closing device for a hot water storage type hot water heater according to the present invention, a water supply valve provided in a pipe line connecting the first inlet and the first outlet, and a pipe connecting the second inlet and the second outlet A flow detection means provided in a passage; and an accumulator provided between the water supply valve and the first outlet or between the second inlet and the flow detection means; and the flow detection means. Control means for opening and closing the water supply valve when the flow is detected, and the control means detects a flow stop in the pipe line connecting the second inlet and the second outlet. The water supply valve is closed after a predetermined delay time has elapsed .
この貯湯式温水器用の流路開閉装置においては、第一流入口を給水源に、第一流出口を元止め式の貯湯式温水器の給水口に、第二流入口をその貯湯式温水器の出湯口に、第二流出口を水栓に接続した場合に、その貯湯式温水器の貯湯槽から流出する膨張水をアキュームレーターに蓄圧しておくことが可能となり、その状態で水栓が開くと発生する流動を流動検知して給水弁を開いて水栓からの出湯を継続することができるため、水栓としては元止め式の専用水栓を用いる必要がなく、既設の先止め用水栓を利用することができる。また従来先止め水栓を電気温水器で使用する場合には必ず必要であった膨張水排水処理装置も、アキュームレーターによって膨張水を吸収するため設置する必要が無くなり、施工性の向上や配管周りの意匠、また膨張水処理装置による排水管からの汚水逆流などが無くなり、信頼性を向上することができる。
また、流動停止してから給水弁を閉じるまでに所定のタイムラグを発生させることができ、そのタイムラグの間に給水源の水圧を利用してアキュームレーターに蓄圧することができ、水栓を開くと確実に給湯路内に流動を生じさせて、給水弁を開くことが可能となる。
In this hot water heater, the first inlet is used as the water supply source, the first outlet is used as the water supply outlet of the non-retaining hot water heater, and the second inlet is used as the outlet of the hot water heater. the sprue, when the second outlet connected to a water faucet, its storage type it becomes possible to keep accumulating expansion water ACCU over Suit of Lights over flowing out from the hot water tank of the water heater, faucet in this state Since the flow generated when it is opened can be detected and the water supply valve can be opened to continue the hot water from the faucet, there is no need to use a dedicated water faucet as the faucet. A plug can be used. In addition, the expansion water drainage treatment device, which was always necessary when using a water tap with a conventional water faucet, is no longer required to be installed because the accumulator absorbs the expansion water. In addition, the backflow of sewage from the drain pipe by the expanded water treatment apparatus is eliminated, and the reliability can be improved.
In addition, a predetermined time lag can be generated from when the flow is stopped until the water supply valve is closed, and during that time lag, the water pressure of the water supply source can be used to accumulate pressure in the accumulator, and when the faucet is opened It is possible to reliably cause a flow in the hot water supply path and open the water supply valve.
また、前記の貯湯式温水器用の流路開閉装置においては、前記給水路の前記給水弁より上流側に分岐継手を備え、この分岐継手によって前記給水路から出湯先へ向かうバイパス給水路が形成されているものとすることにより、分岐継手という簡単な構成により、水栓として混合機能タイプのものを用いることも可能となる。 Further, in the flow path opening and closing device for the hot water storage type hot water heater, a branch joint is provided on the upstream side of the water supply valve of the water supply path, and a bypass water supply path from the water supply path to the hot water outlet is formed by the branch joint. Therefore, it is possible to use a mixing function type faucet with a simple structure called a branch joint.
本発明によれば、元止め式電気温水器用の専用水栓を用いることなく、先止め式と元止め式との従来の長所を残し、且つ従来の欠点を改善するこが可能な貯湯式温水供給装置を提供することができる。 According to the present invention, the hot water storage type hot water capable of leaving the conventional advantages of the front-stop type and the main-stop type and improving the conventional drawbacks without using a dedicated faucet for the main-stop type electric water heater. A feeding device can be provided.
以下に、図面を参照しつつ、本発明の実施形態について説明する。
図１は、本発明の第１の実施形態に係る貯湯式温水供給装置の構成を例示する模式図である。図１において、１００は元止め式電気温水器を、２００は先止め用湯水混合水栓を、３００は流路開閉装置としての変換ユニットをそれぞれ示す。図示しない水道管（給水源）から管路１は延接されており、変換ユニット３００の分岐継手としての給水接続分岐口３０１に接続された後二方向に分岐され、そのうちの一方は管路２により先止め用湯水混合水栓２００の給水口２０１を経て湯水混合バルブ２０３へ、もう一方は給水弁としての給水電磁弁３０２に接続されている。
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic view illustrating the configuration of a hot water storage type hot water supply device according to a first embodiment of the invention. In FIG. 1, reference numeral 100 denotes a main stop type electric water heater, 200 denotes a front stop hot water / water mixing faucet, and 300 denotes a conversion unit as a flow path opening / closing device. Pipe line 1 extends from a water pipe (water supply source) (not shown) and is branched into two directions after being connected to water supply connection branch port 301 as a branch joint of conversion unit 300, one of which is pipe line 2. Is connected to the hot water mixing valve 203 through the water supply port 201 of the front stop hot water mixing faucet 200, and the other is connected to a water supply electromagnetic valve 302 as a water supply valve.
給水電磁弁３０２からは管路３により元止め式電気温水器１００の給水接続口１０５に接続され、給水接続口１０５から接続された給水管路１０３により更に貯湯槽１０１の底面へと接続され、元止め式電気温水器１００の内部に収納された貯湯槽１０１内に給水される。貯湯槽１０１の内部には貯湯槽１０１に給水された水を加熱するためのヒータ１０２が設けられており、加熱された水は貯湯槽１０１の天面に接続されている出湯管路１０４及びその先端に接続された出湯接続口１０６より、給水圧力により出湯される。 The water supply solenoid valve 302 is connected to the water supply connection port 105 of the main-stop electric water heater 100 through the pipe line 3, and further connected to the bottom surface of the hot water storage tank 101 through the water supply pipe line 103 connected from the water supply connection port 105. Water is supplied into a hot water storage tank 101 housed in the main stop type electric water heater 100. A heater 102 for heating the water supplied to the hot water storage tank 101 is provided inside the hot water storage tank 101, and the heated water is connected to the top surface of the hot water storage tank 101 and the hot water discharge pipe 104 and its Hot water is discharged from the hot water connection port 106 connected to the tip by the supply water pressure.
出湯接続口１０６より接続された管路４は変換ユニット３００の給湯分岐継手３０３に接続された後二方向に分岐され、そのうちの一方は管路５によりアキュームレーター３０４に接続され、もう一方は管路６により流動検知手段としてのフロースイッチ３０５に接続される。フロースイッチ３０５と給水電磁弁３０２は制御手段３０６へ接続されており、フロースイッチ３０５が流れを検知すると給水電磁弁３０２を開くように構成されている。フロースイッチ３０５を通過した経路は管路７を経て先止め用湯水混合水栓２００の給湯口２０２を経て湯水混合バルブ２０３へ接続されている。 The pipe 4 connected from the hot water connection port 106 is connected to the hot water supply branch joint 303 of the conversion unit 300 and then branched in two directions, one of which is connected to the accumulator 304 by the pipe 5 and the other is the pipe. The path 6 is connected to a flow switch 305 as a flow detection means. The flow switch 305 and the water supply electromagnetic valve 302 are connected to the control means 306, and are configured to open the water supply electromagnetic valve 302 when the flow switch 305 detects a flow. The path that passes through the flow switch 305 is connected to the hot and cold water mixing valve 203 via the pipe line 7 and the hot water supply port 202 of the hot water mixing water faucet 200 for stopping.
ここで、貯湯槽１０１が満水状態で且つ先止め用湯水混合水栓２００のハンドル２０５が閉まった状態（つまり図１の回路が満水で閉の状態）でヒータ１０２を通電させて設定温度まで沸き上げを行うと、貯湯槽１０１内の水は給水温度や沸き上げ設定温度によもよるが貯湯量の３％程度の体積膨張が発生して、内部の圧力が上昇する。膨張した圧力、即ち膨張水は、出湯管路１０４、管路４、給湯分岐継手３０３及び管路５を経てアキュームレータ３０４で蓄圧される為、経路外へ排出される事は無い。 Here, when the hot water storage tank 101 is full and the handle 205 of the hot water mixing faucet for stoppage 200 is closed (that is, the circuit in FIG. 1 is full and closed), the heater 102 is energized to boil to the set temperature. When the water is raised, the water in the hot water storage tank 101 expands in volume by about 3% of the amount of hot water, depending on the feed water temperature and the set boiling temperature, and the internal pressure rises. The expanded pressure, that is, the expanded water is accumulated in the accumulator 304 through the outlet hot water pipe 104, the pipe 4, the hot water supply branch joint 303, and the pipe 5, so that it is not discharged out of the path.
先止め用湯水混合水栓２００のハンドル２０５を開くと混合バルブ２０３には、管路２を経由して給水口２０１から水が流入し、アキュームレータ３０４で蓄圧されていた圧力によって貯湯槽１０１内のお湯が流れ出しフロースイッチ３０５を経由して給湯口２０２からお湯が流入する。この時、フロースイッチ３０５は流れを検知する為、給水電磁弁３０２が開き管路１から給水が開始され、先止め用湯水混合水栓２００の混合バルブ２０３で任意の温度に混合して吐水口２０４より吐水する事が出きる。前述の様な機構を用いる事により、膨張水を経路外に排出する事が無く、また元止め電気温水器で先止め水栓を使用することが可能となる。 When the handle 205 of the front stop hot water mixing faucet 200 is opened, water flows into the mixing valve 203 from the water supply port 201 via the pipe line 2 and is stored in the hot water storage tank 101 by the pressure accumulated in the accumulator 304. Hot water flows out and hot water flows from the hot water supply port 202 via the flow switch 305. At this time, since the flow switch 305 detects the flow, the water supply electromagnetic valve 302 is opened and water supply is started from the pipe line 1, and the water is mixed into an arbitrary temperature by the mixing valve 203 of the hot water mixing faucet 200 for stoppage. It is possible to discharge water from 204. By using the mechanism as described above, the expansion water is not discharged out of the path, and it is possible to use the first stop water faucet in the front stop electric water heater.
次に、本発明の第２の実施形態について説明する。なお、前出したものと同様の要素については、同符号を付して詳細な説明は省略する。 Next, a second embodiment of the present invention will be described. In addition, about the element similar to what was mentioned above, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.
図２は、本発明の第２の実施形態に係る貯湯式温水供給装置の構成を例示する模式図である。図２において、１００は元止め式電気温水器を、２００は先止め用湯水混合水栓を、３００Ａは流路開閉装置としての変換ユニットをそれぞれ示す。図示しない水道管（給水源）から管路１は延接されており、変換ユニット３００Ａの分岐継手としての給水接続分岐口３０１に接続された後二方向に分岐され、そのうちの一方は管路２により先止め用湯水混合水栓２００の給水口２０１を経て湯水混合バルブ２０３へ、もう一方は給水電磁弁３０２に接続されている。 FIG. 2 is a schematic view illustrating the configuration of a hot water storage type hot water supply device according to a second embodiment of the invention. In FIG. 2, reference numeral 100 denotes a main stop electric water heater, 200 denotes a front stop hot water / water mixing faucet, and 300A denotes a conversion unit as a flow path opening / closing device. A pipe line 1 extends from a water pipe (water supply source) (not shown) and is branched into two directions after being connected to a water supply connection branch port 301 as a branch joint of the conversion unit 300A, one of which is a pipe line 2 Thus, the hot water mixing valve 203 of the leading stop water mixing faucet 200 is connected to the hot water mixing valve 203, and the other is connected to the water supply electromagnetic valve 302.
給水電磁弁３０２からは管路３を経て出水分岐継手３０３Ａに接続された後二方向に分岐され、そのうちの一方は管路５Ａによりアキュームレーター３０４Ａに接続され、もう一方は管路３Ａにより元止め式電気温水器１００の給水接続口１０５に接続され、給水接続口１０５から接続された給水管路１０３により更に貯湯槽１０１の底面へと接続され、元止め式電気温水器１００の内部に収納された貯湯槽１０１内に給水される。貯湯槽１０１の内部には貯湯槽１０１に給水された水を加熱するためのヒータ１０２が設けられており、加熱された水は貯湯槽１０１の天面に接続されている出湯管路１０４及びその先端に接続された出湯接続口１０６より、給水圧力により出湯される。 The water supply solenoid valve 302 is connected to the water outlet branch joint 303A through the pipe 3 and then branched in two directions, one of which is connected to the accumulator 304A through the pipe 5A, and the other is fixed by the pipe 3A. Connected to the water supply connection port 105 of the electric water heater 100, and further connected to the bottom surface of the hot water storage tank 101 through the water supply pipe 103 connected from the water supply connection port 105, and is housed inside the main electric water heater 100. Water is supplied into the hot water storage tank 101. A heater 102 for heating the water supplied to the hot water storage tank 101 is provided inside the hot water storage tank 101, and the heated water is connected to the top surface of the hot water storage tank 101 and the hot water discharge pipe 104 and its Hot water is discharged from the hot water connection port 106 connected to the tip by the supply water pressure.
出湯接続口１０６より接続された管路４Ａは変換ユニット３００Ａの流動検知手段としてのフロースイッチ３０５に接続される。フロースイッチ３０５と給水電磁弁３０２は制御手段３０６へ接続されており、フロースイッチ３０５が流れを検知すると給水電磁弁３０２を開くように構成されている。フロースイッチを通過した経路は管路７を経て先止め用湯水混合水栓２００の給湯口２０２を経て湯水混合バルブ２０３へ接続されている。 The pipe line 4A connected from the hot water connection port 106 is connected to a flow switch 305 as flow detection means of the conversion unit 300A. The flow switch 305 and the water supply electromagnetic valve 302 are connected to the control means 306, and are configured to open the water supply electromagnetic valve 302 when the flow switch 305 detects a flow. The path passing through the flow switch is connected to the hot and cold water mixing valve 203 via the pipe line 7 and the hot water supply port 202 of the hot water mixing water faucet 200 for stopping.
ここで、貯湯槽１０１が満水状態で且つ先止め用湯水混合水栓２００のハンドル２０５が閉まった状態（つまり図１の回路が満水で閉の状態）でヒータ１０２を通電させて設定温度まで沸き上げを行うと、貯湯槽１０１内の水は給水温度や沸き上げ設定温度によもよるが貯湯量の３％程度の体積膨張が発生して、内部の圧力が上昇する。膨張した圧力は給水管路１０３、管路３Ａ、出水分岐継手３０３Ａ及び管路５Ａを経てアキュームレータ３０４で蓄圧される。ここで、アキュームレータは通常内部のバルーンはＮＢＲなどのゴムで製作されており、通常ゴム材質は温水側で使用するよりも水側で使用する方が信頼性や耐久性は向上する。 Here, when the hot water storage tank 101 is full and the handle 205 of the hot water mixing faucet for stoppage 200 is closed (that is, the circuit in FIG. 1 is full and closed), the heater 102 is energized to boil to the set temperature. When the water is raised, the water in the hot water storage tank 101 expands in volume by about 3% of the amount of hot water, depending on the feed water temperature and the set boiling temperature, and the internal pressure rises. The expanded pressure is accumulated in the accumulator 304 through the water supply pipe 103, the pipe 3A, the outlet branch joint 303A, and the pipe 5A. Here, in the accumulator, the balloon inside is usually made of rubber such as NBR, and the reliability and durability of the rubber material are usually improved when used on the water side rather than on the hot water side.
先止め用湯水混合水栓２００のハンドル２０５を開くと混合バルブ２０３には、管路２を経由して給水口２０１から水が流入し、アキュームレータ３０４で蓄圧されていた圧力によって貯湯槽１０１内のお湯が流れ出しフロースイッチ３０５を経由して給湯口２０２からお湯が流入する。この時、フロースイッチ３０５は流れを検知する為、給水電磁弁３０２が開き管路１から給水が開始され、先止め用湯水混合水栓２００の混合バルブ２０３で任意の温度に混合して吐水口２０４より吐水する。 When the handle 205 of the front stop hot water mixing faucet 200 is opened, water flows into the mixing valve 203 from the water supply port 201 via the pipe line 2 and is stored in the hot water storage tank 101 by the pressure accumulated in the accumulator 304. Hot water flows out and hot water flows from the hot water supply port 202 via the flow switch 305. At this time, since the flow switch 305 detects the flow, the water supply electromagnetic valve 302 is opened and water supply is started from the pipe line 1, and the water is mixed into an arbitrary temperature by the mixing valve 203 of the hot water mixing faucet 200 for stoppage. Water is discharged from 204.
上記の図１及び図２に示す実施形態においては、元止め式電気温水器１００と流路開閉装置としての変換ユニット３００，３００Ａとは別々のケーシングに収納された形態となっている。
そのため、変換ユニット３００，３００Ａを元止め式電気温水器１００のケーシング内に一体にとして収納しておく場合に比べて、元止め式電気温水器１００の設置場所に応じた空きスペースに変換ユニット３００，３００Ａを固定することができ、設置スペースに対する要求レベルを下げることができる。また、既に元止め式電気温水器１００が設置されている現場で、元止め式専用水栓から先止め式水栓に取り替えたい場合でも、元止め式電気温水器１００を既設のものを使用することが可能となる。
In the embodiment shown in FIG. 1 and FIG. 2 described above, the main-stop electric water heater 100 and the conversion units 300 and 300A as the flow path opening / closing devices are housed in separate casings.
Therefore, compared with the case where the conversion units 300 and 300A are housed integrally in the casing of the main-stop electric water heater 100, the conversion unit 300 has an empty space corresponding to the installation location of the main-stop electric water heater 100. , 300A can be fixed, and the required level for the installation space can be lowered. Moreover, even if it is desired to replace the main stopper type water faucet with the front stopper type faucet at the site where the main stopper type electric water heater 100 is already installed, the existing one is used. It becomes possible.
なお、変換ユニット３００，３００Ａを元止め式電気温水器１００と組み合わせて施工することが容易となるように、元止め式電気温水器１００には、変換ユニット３００，３００Ａへの給電コートが接続できるポートを設けておくことが好ましいが、変換ユニット３００，３００Ａ内に電池や水力式発電機を設置しておけば、給電コードを不要とすることができて更に好ましい。 In addition, the power supply coat to the conversion units 300 and 300A can be connected to the main-stop electric water heater 100 so that the conversion units 300 and 300A can be easily combined with the main-stop electric water heater 100. It is preferable to provide a port. However, if a battery or a hydroelectric generator is installed in the conversion units 300 and 300A, it is more preferable that a power supply cord can be omitted.
次に、本発明の第３の実施形態について図３に基いて説明する。なお、前出したものと同様の要素については、同符号を付して詳細な説明は省略する。 Next, a third embodiment of the present invention will be described with reference to FIG. In addition, about the element similar to what was mentioned above, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.
図３は、本発明の第３の実施形態に係る貯湯式温水供給装置の構成を例示する模式図である。図３において、１００Ｂは元止め式電気温水器を、２００は先止め用湯水混合水栓ををそれぞれ示す。図示しない水道管（給水源）から管路１は延接されており、元止め電気温水器１００Ｂに収納されている分岐継手としての給水接続分岐口１０７Ｂに接続された後二方向に分岐され、そのうちの一方は管路２により先止め用湯水混合水栓２００の給水口２０１を経て湯水混合バルブ２０３へ、もう一方は元止め電気温水器１００の内部に収納されている給水電磁弁３０２に接続されている。 FIG. 3 is a schematic view illustrating the configuration of a hot water storage type hot water supply device according to a third embodiment of the invention. In FIG. 3, reference numeral 100B denotes a main-stop type electric water heater, and reference numeral 200 denotes a front-end hot water / water mixing faucet. The pipe line 1 is extended from a water pipe (water supply source) (not shown), and is branched into two directions after being connected to a water supply connection branch port 107B as a branch joint housed in the main stop electric water heater 100B. One of them is connected to the hot water mixing valve 203 through the water supply port 201 of the front stop hot water mixing faucet 200 by the pipe line 2, and the other is connected to the water supply electromagnetic valve 302 housed inside the main stop electric water heater 100. Has been.
給水電磁弁３０２からは管路３Ｂを経て出水分岐継手３０３Ｂに接続された後二方向に分岐され、そのうちの一方は管路５Ｂにより元止め電気温水器１００の内部に収納されているアキュームレーター３０４Ａに接続され、もう一方は給水管路１０３により貯湯槽１０１の底面へと接続され、元止め式電気温水器１００の内部に収納された貯湯槽１０１内に給水される。貯湯槽１０１の内部には貯湯槽１０１に給水された水を加熱するためのヒータ１０２が設けられている。加熱された水は貯湯槽１０１の天面に接続されている出湯管路１０４Ｂは元止め電気温水器１００の内部に収納されている流動検知手段としてのフロースイッチ３０５に接続される。フロースイッチ３０５と給水電磁弁３０２は制御手段３０６へ接続されており、フロースイッチ３０５が流れを検知すると給水電磁弁３０２を開くように構成されている。 The water supply solenoid valve 302 is connected to the water outlet branch joint 303B via the pipe line 3B and then branched in two directions, one of which is accumulator 304A housed in the main stop electric water heater 100 by the pipe line 5B. And the other is connected to the bottom surface of the hot water storage tank 101 by a water supply pipe 103, and water is supplied into the hot water storage tank 101 housed in the main retaining electric water heater 100. Inside the hot water storage tank 101, a heater 102 for heating the water supplied to the hot water storage tank 101 is provided. The heated water is connected to a flow switch 305 serving as a flow detection means accommodated in the main water heater 100, with a hot water outlet 104 </ b> B connected to the top surface of the hot water storage tank 101. The flow switch 305 and the water supply electromagnetic valve 302 are connected to the control means 306, and are configured to open the water supply electromagnetic valve 302 when the flow switch 305 detects a flow.
フロースイッチを通過した経路は管路６Ｂを経て出湯接続口１０６Ｂより、給水圧力により出湯され、管路７を経てその先端に接続された先止め用湯水混合水栓２００の給湯口２０２を経て湯水混合バルブ２０３へ接続されている。 The path that has passed through the flow switch is discharged from the hot water connection port 106B via the pipe 6B by the hot water supply pressure, and hot water via the hot water supply port 202 of the hot water mixing faucet 200 for the first stop connected via the pipe 7 to the tip. Connected to the mixing valve 203.
アキュームレーター３０４Ａを水側に設置している理由や、作動原理については図２で説明済みであるため割愛する。 The reason why the accumulator 304A is installed on the water side and the operation principle have already been described with reference to FIG.
上記の図３に示す実施形態においては、元止め式電気温水器１００Ｂと、図２では別々のケーシングとしていた流路開閉装置としての変換ユニット３００Ａを元止め式電気温水器１００Ｂ内部に収納した形態とした。
そのため、変換ユニット３００，３００Ａを元止め式電気温水器１００のケーシングと別体にとして設置しておく場合に比べて、ユニット一式での施工となる為容易な施工とすることができる。また、外観上も別体に比べシンプルであり、元止め式電気温水器１００を露出設置させる場合であっても意匠を向上させることができる。
In the embodiment shown in FIG. 3 described above, the main-stop type electric water heater 100B and the conversion unit 300A as the flow path opening and closing device which is a separate casing in FIG. 2 are housed inside the main-stop electric water heater 100B. It was.
Therefore, compared with the case where the conversion units 300 and 300A are installed separately from the casing of the main-stop electric water heater 100, since the construction is performed as a unit, the construction can be facilitated. In addition, the appearance is simpler than that of a separate body, and the design can be improved even when the main-stop electric water heater 100 is exposed and installed.
次に、流路開閉装置としての変換ユニットの制御手段３０６で行われる制御について図４に基いて説明する。
制御手段３０６へは、フロースイッチ３０５からの信号が入力されており、ハンドル２０５が開かれてこのフロースイッチ３０５が所定以上の流量を検知するとＯＮ出力を制御手段３０６へ出力する。そして、この制御手段３０６ではＯＮ出力を受付けると速やかに給水電磁弁３０２を開弁する。そして、ハンドル２０５が閉じられてフロースイッチ３０５が所定未満の流量を検出してＯＦＦ信号を制御手段３０６へ出力しても、制御手段３０６は、一定のディレイ時間Ｔ１の間は給水電磁弁３０２を開状態としておく。
このようにディレイ時間Ｔ１の間は給水電磁弁３０２を開状態としておくことで、ハンドル２０５を閉めたと同時に給水電磁弁３０２を閉じてしまうと、経路内の圧力がない状態で閉になってしまうため、次回にハンドル２０５を開するまでの間に沸き上げが行われないと経路内に蓄圧が出来ずに、フロースイッチ３０５がＯＮせずに給水電磁弁３０２が開弁しないという不具合を解決する事が可能となる。
Next, the control performed by the control unit 306 of the conversion unit as the flow path opening / closing device will be described with reference to FIG.
A signal from the flow switch 305 is input to the control unit 306. When the handle 205 is opened and the flow switch 305 detects a flow rate higher than a predetermined level, an ON output is output to the control unit 306. And when this control means 306 receives ON output, the water supply solenoid valve 302 is opened quickly. Even when the handle 205 is closed and the flow switch 305 detects a flow rate less than a predetermined value and outputs an OFF signal to the control means 306, the control means 306 does not turn on the water supply electromagnetic valve 302 for a certain delay time T1. Leave open.
Thus, by keeping the water supply electromagnetic valve 302 open during the delay time T1, if the water supply electromagnetic valve 302 is closed at the same time as the handle 205 is closed, the water supply electromagnetic valve 302 is closed without any pressure in the path. Therefore, if boiling is not performed until the next time the handle 205 is opened, pressure cannot be accumulated in the path, and the problem that the water supply electromagnetic valve 302 does not open without the flow switch 305 being turned on is solved. Things will be possible.
流動検知手段としては、フロースイッチを用いたものについて説明してきたが、圧力センサーによって構成することもできる。また、先止め用水栓としては、混合機能のない、開閉機能のみの水栓を利用することもでき、その場合は、給水接続分岐口３０１を取り外すか、又は、この給水接続分岐口３０１から先止め用水栓へ向かう出水口を盲栓にて塞ぐことによって対応できる。 The flow detection means has been described using a flow switch, but it can also be constituted by a pressure sensor. In addition, as the front stop faucet, it is possible to use a faucet with no mixing function and only an opening / closing function. In this case, the water supply connection branch 301 is removed, or the water supply connection branch 301 is preceded by this. This can be dealt with by closing the outlet to the stop faucet with a blind plug.
１００、１００Ｂ…元止め式電気温水器
１０１…貯湯槽
１０２…ヒータ
１０３…給水管路
１０４、１０４Ｂ…出湯管路
１０５…給水接続口
１０６、１０６Ｂ…出湯接続口
１０７Ｂ…給水接続分岐口
２００…先止め用湯水混合水栓
２０１…給水口
２０２…給湯口を
２０３…湯水混合バルブ
２０４…吐水口
２０５…ハンドル
３００、３００Ａ…変換ユニット（流路開閉装置）
３０１…給水接続分岐口（分岐継手）
３０２…給水電磁弁（給水弁）
３０３、３０３Ｂ…給湯分岐継手
３０３Ａ…出水分岐継手
３０４…アキュームレーター
３０５…フロースイッチ（流動検知手段）
３０６…制御手段
１…管路
２…管路
３、３Ａ、３Ｂ…管路
４、４Ａ…管路
５、５Ａ、５Ｂ…管路
６、６Ｂ…管路
７…管路
DESCRIPTION OF SYMBOLS 100, 100B ... Original stop type electric water heater 101 ... Hot water storage tank 102 ... Heater 103 ... Water supply pipeline 104, 104B ... Hot water supply pipeline 105 ... Water supply connection port 106, 106B ... Hot water connection port 107B ... Water supply connection branch port 200 ... tip Stop water mixing faucet 201 ... Water supply port 202 ... Hot water supply port 203 ... Hot water mixing valve 204 ... Water discharge port 205 ... Handle 300, 300A ... Conversion unit (channel opening / closing device)
301 ... Water supply connection branch (branch joint)
302 ... Water supply solenoid valve (water supply valve)
303, 303B ... Hot water supply branch joint 303A ... Outlet branch joint 304 ... Accumulator 305 ... Flow switch (flow detection means)
306 ... Control means 1 ... Pipe 2 ... Pipe 3,3A, 3B ... Pipe 4, 4A ... Pipe 5, 5A, 5B ... Pipe 6, 6B ... Pipe 7 ... Pipe
Claims (5)
給水された水を所定温度に加熱して貯湯しておく貯湯槽と、
この貯湯槽へ給水源からの水を供給する給水路に設けられ、
この給水路を開閉する給水弁と、
前記貯湯槽から出湯先へ湯を供給する出湯路に設けられ、
この出湯路内の流動を検知する流動検知手段と、
前記給水弁より下流側に設けられ、
前記貯湯槽内の圧力を蓄圧しておくアキュームレーターとを備え、
前記流動検知手段が前記出湯路内の流動検知すると前記給水弁を開弁駆動し、
流動停止を検知すると閉弁駆動する制御手段を備え、
前記制御手段は、
前記流動検知手段が前記出湯路内の流動停止を検知してから所定ディレイ時間の経過後に前記給水弁を閉弁することを特徴とする貯湯式温水供給装置。 With a heater,
A hot water storage tank for storing hot water by heating the supplied water to a predetermined temperature;
It is installed in the water supply channel that supplies water from the water supply source to this hot water tank
A water supply valve that opens and closes this water supply channel;
Provided in the hot water supply path for supplying hot water from the hot water tank to the hot water outlet
A flow detection means for detecting the flow in the outlet,
Provided downstream from the water supply valve,
A Accu over Mureta to keep the pressure of the hot water storage tank pressure 蓄,
When the flow detection means detects the flow in the tap water path, the water supply valve is driven to open,
Provided with a control means that drives to close when a flow stop is detected ,
The control means includes
The hot water storage type hot water supply apparatus , wherein the water supply valve is closed after a predetermined delay time has elapsed since the flow detecting means detects a flow stop in the hot water outlet .
前記給水弁と前記貯湯タンクとの間の給水路に接続されていることを特徴とする請求項１記載の貯湯式温水供給装置。 The accumulator is,
The hot water storage type hot water supply device according to claim 1, wherein the hot water storage type hot water supply device is connected to a water supply path between the water supply valve and the hot water storage tank.
この分岐継手によって前記給水路から出湯先へ向かうバイパス給水路が形成されていることを特徴とする請求項１又は請求項２に記載の貯湯式温水供給装置。 A branch joint is provided upstream of the water supply valve in the water supply path,
The hot water storage type hot water supply device according to claim 1 or 2, wherein a bypass water supply path from the water supply path to a hot water outlet is formed by the branch joint.
第二流入口と第二流出口とを結ぶ管路に設けられた流動検知手段と、A flow detection means provided in a pipeline connecting the second inlet and the second outlet;
前記給水弁と前記第一流出口との間、又は、前記第二流入口と前記流動検知手段との間に設けられたアキュームレーターと、An accumulator provided between the water supply valve and the first outlet, or between the second inlet and the flow detection means;
前記流動検知手段が流動検知すると前記給水弁を開閉駆動する制御手段と、を備え、Control means for opening and closing the water supply valve when the flow detection means detects flow,
前記制御手段は、The control means includes
前記流動検知手段が前記第二流入口と前記第二流出口とを結ぶ前記管路内の流動停止を検知してから所定ディレイ時間の経過後に前記給水弁を閉弁することを特徴とする貯湯式温水器用の流路開閉装置。The hot water storage system, wherein the water supply valve is closed after a predetermined delay time has elapsed since the flow detection means detects a flow stop in the pipe connecting the second inlet and the second outlet. Channel opening / closing device for water heater.
この分岐継手によって前記給水路から出湯先へ向かうバイパス給水路が形成されていることを特徴とする請求項４に記載の貯湯式温水器用の流路開閉装置。The flow path opening and closing device for a hot water storage type hot water heater according to claim 4, wherein a bypass water supply path from the water supply path to a hot water outlet is formed by the branch joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008159898A JP5322021B2 (en) | 2008-06-19 | 2008-06-19 | Hot water storage type hot water supply device and channel opening / closing device for hot water storage type hot water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008159898A JP5322021B2 (en) | 2008-06-19 | 2008-06-19 | Hot water storage type hot water supply device and channel opening / closing device for hot water storage type hot water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010002087A JP2010002087A (en) | 2010-01-07 |
| JP5322021B2 true JP5322021B2 (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2008159898A Expired - Fee Related JP5322021B2 (en) | 2008-06-19 | 2008-06-19 | Hot water storage type hot water supply device and channel opening / closing device for hot water storage type hot water heater |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101635897B1 (en) * | 2015-02-26 | 2016-07-04 | 린나이코리아 주식회사 | Water leakage blocking of the boiler and water heater with a flow control valve |
| KR101987293B1 (en) * | 2018-05-16 | 2019-06-10 | (주)나노에너텍 | Hot water supply apparatus and method for controlling the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6068326U (en) * | 1983-10-17 | 1985-05-15 | 東陶機器株式会社 | First stop water heater |
| JPS6395055U (en) * | 1986-12-11 | 1988-06-18 | ||
| JPH07260255A (en) * | 1994-03-25 | 1995-10-13 | Yamaha Corp | Hot water supplying apparatus |
| JP2003139404A (en) * | 2001-11-06 | 2003-05-14 | Nippon Itomic Co Ltd | End-stop/hot water storage type electric water heater provided with mixing valve |
| JP3932026B2 (en) * | 2002-04-05 | 2007-06-20 | 株式会社ノーリツ | Water heater using external collector |
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| JP2010002087A (en) | 2010-01-07 |
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