JP2002089957A - Warm water and chilled water supplying system - Google Patents
Warm water and chilled water supplying systemInfo
- Publication number
- JP2002089957A JP2002089957A JP2000276338A JP2000276338A JP2002089957A JP 2002089957 A JP2002089957 A JP 2002089957A JP 2000276338 A JP2000276338 A JP 2000276338A JP 2000276338 A JP2000276338 A JP 2000276338A JP 2002089957 A JP2002089957 A JP 2002089957A
- Authority
- JP
- Japan
- Prior art keywords
- water
- cold
- hot
- tank
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＣＯ２給湯器を利
用して温水のみならず、冷水又は温水と冷水との混合水
を供給できるようにした温水・冷水供給装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water / cold water supply device which can supply not only hot water but also cold water or a mixture of hot water and cold water using a CO 2 water heater.
【０００２】[0002]
【従来の技術】従来、住宅等に付設される給湯器が知ら
れており、この給湯器のタンクに供給される市水を加熱
して温水にし、住宅等のキッチン、風呂場、洗面所等の
水回りの箇所に温水を供給できるように配管されてい
る。2. Description of the Related Art Conventionally, a water heater attached to a house or the like is known, and city water supplied to a tank of the water heater is heated to make it hot water, and a kitchen, a bathroom, a washroom, etc. of a house or the like is used. It is piped so that hot water can be supplied to the area around the water.
【０００３】[0003]
【発明が解決しようとする課題】給湯器の熱源に電気ヒ
ータを用いず高温の温水を得ることが可能なＣＯ２給湯
器が考えられており、このＣＯ２給湯器はＣＯ２を作動
媒体とする冷凍サイクルが形成され、この冷凍サイクル
は要所にコンプレッサ、放熱器、蒸発器等が配設され、
ＣＯ２が放熱器で前記給湯器に供給される市水を加熱し
ている。放熱器で放熱した後のＣＯ２は、減圧装置を介
して蒸発器に送り込まれここで気化されてから再びコン
プレッサに戻される。ＣＯ２が蒸発器で気化される際に
は蒸発熱（冷熱）が発生するが、この蒸発熱は従来廃熱
として捨てられている。There has been proposed a CO 2 water heater capable of obtaining high-temperature hot water without using an electric heater as a heat source of the water heater. This CO 2 water heater uses CO 2 as a working medium. A refrigeration cycle is formed, and this refrigeration cycle is provided with a compressor, a radiator, an evaporator, etc.
CO 2 heats city water supplied to the water heater with a radiator. The CO 2 radiated by the radiator is sent to the evaporator via the pressure reducing device, is vaporized therein, and is returned to the compressor again. When CO 2 is vaporized in the evaporator, heat of evaporation (cold heat) is generated, and this heat of evaporation is conventionally discarded as waste heat.
【０００４】そこで、本発明は、従来捨てられていたＣ
Ｏ２の蒸発熱を有効利用し、この蒸発熱によって市水を
冷却することで冷水を供給すると共に、前記放熱器で加
熱された温水と混合することで市水より低い温度の混合
水を供給できるようにした温水・冷水供給装置を提供す
ることを目的とする。Accordingly, the present invention provides a C
By effectively utilizing the heat of evaporation of O 2, the city water is cooled by the heat of evaporation to supply cold water, and the mixed water with the warm water heated by the radiator supplies mixed water having a lower temperature than the city water. It is an object of the present invention to provide a hot / cold water supply device that can be used.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めの手段として、本発明は、ＣＯ２を熱媒体とする冷凍
サイクルを備え、圧縮機で圧縮されたＣＯ２の放熱を用
いて貯湯タンク内に貯湯する給湯器と、前記冷凍サイク
ルの蒸発器で生成される冷熱を用いて冷却された水を蓄
える水タンクと、前記給湯器から供給される湯水と水タ
ンクから供給される冷水とを混合する混合栓とを備えた
温水・冷水供給装置を要旨とする。前記混合栓には更に
市水からの水が供給される。又、ＣＯ２を熱媒体とする
冷凍サイクルを備え、圧縮機で圧縮されたＣＯ２の放熱
を用いて貯湯タンク内に貯湯する給湯器と、前記冷凍サ
イクルの蒸発器で生成される冷熱を用いて冷却された水
を蓄える水タンクと、前記給湯器から供給される湯水も
しくは前記水タンクから供給される冷水と市水とを混合
する混合栓とを備える温水・冷水供給装置を要旨とす
る。これらの温水・冷水供給装置において、前記水タン
クは蓄冷材を備え、前記蒸発器で生成される冷熱で前記
蓄冷材を冷却すること、前記水タンクに関連する配管に
凍結防止手段を設けたことを特徴とする。更に、ＣＯ２
を熱媒体とする冷凍サイクルを備え、圧縮機で圧縮され
たＣＯ２の放熱を用いて貯湯タンク内に貯湯する給湯器
と、前記冷凍サイクルの蒸発器で生成される冷熱を用い
て冷却された水を蓄える水タンクとを備え、この水タン
クからの冷水を利用可能に構成することを本発明は、給
湯器と、ＣＯ２を熱媒体とする冷凍機と、冷水器とを組
み合わせ、給湯器に供給される水をＣＯ２の凝縮熱で温
水にすると共に、冷水器に供給される水をＣＯ２の蒸発
熱で冷水にし、給湯器から取り出す温水と、冷水器から
取り出す冷水とを混合栓に導いて所要温度の温水及び冷
水を供給できるようにした温水・冷水供給装置を要旨と
するものである。As means for achieving the above object, the present invention provides a refrigeration cycle using CO 2 as a heat medium, and stores hot water using heat release of CO 2 compressed by a compressor. A water heater for storing hot water in a tank, a water tank for storing water cooled using cold heat generated by the evaporator of the refrigeration cycle, and hot and cold water supplied from the water heater and cold water supplied from a water tank. And a hot / cold water supply device provided with a mixing tap for mixing water. The mixer tap is further supplied with water from city water. In addition, a refrigeration cycle using CO 2 as a heat medium is provided, and a water heater that stores hot water in a hot water storage tank using heat radiation of CO 2 compressed by a compressor, and cold generated by an evaporator of the refrigeration cycle is used. The gist of the present invention is a hot / cold water supply device including a water tank for storing cooled water and a mixing tap for mixing hot water supplied from the water heater or cold water supplied from the water tank with city water. In these hot / cold water supply devices, the water tank is provided with a cold storage material, the cold storage material is cooled by cold generated by the evaporator, and freezing prevention means is provided on piping related to the water tank. It is characterized by. Furthermore, CO 2
And a water heater for storing hot water in a hot water storage tank using heat radiation of CO 2 compressed by a compressor, and cooled by using cold heat generated by an evaporator of the refrigeration cycle. SUMMARY OF THE INVENTION The present invention provides a water heater that includes a water tank for storing water and that can use cold water from the water tank by combining a water heater, a refrigerator using CO 2 as a heat medium, and a water heater. The water supplied to the water is heated by the heat of condensation of CO 2 , the water supplied to the water cooler is cooled by the heat of evaporation of CO 2 , and the hot water taken out of the water heater and the cold water taken out of the water cooler are mixed. And a hot water / cold water supply device capable of supplying hot water and cold water at a required temperature.
【０００６】本発明では、ＣＯ２給湯器により温水のみ
ならず、冷水をも生成することができ、混合栓によって
温水のみ、或は冷水のみ、温水と冷水又は冷水と市水と
の混合水を得ることができる。According to the present invention, not only hot water but also cold water can be generated by the CO 2 water heater, and only the hot water or only the cold water, or the mixed water of the hot water and the cold water or the cold water and the city water can be generated by the mixer tap. Obtainable.
【０００７】[0007]
【発明の実施の形態】次に、本発明に係る温水・冷水供
給装置の実施形態を添付図面に基づいて説明する。図１
は、本発明に用いるユニットＵのシステム構成図であ
り、給湯器１と、ＣＯ２を熱媒体とする冷凍機２と、冷
水器３とを組み合わせて構成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a hot / cold water supply device according to the present invention will be described with reference to the accompanying drawings. FIG.
FIG. 1 is a system configuration diagram of a unit U used in the present invention, which is configured by combining a water heater 1, a refrigerator 2 using CO 2 as a heat medium, and a water cooler 3.
【０００８】前記給湯器１は、タンク１ａを備えており
このタンク１ａの底部にはバルブ１ｂを介して市水が供
給され、タンク１ａの上部からは温水が圧力調整弁１ｃ
を介して取り出され、混合栓４に送り込まれる。又、タ
ンク１ａの下端部と上端部を結ぶバイパス１ｄが設けら
れ、このバイパス１ｄにはポンプ１ｅが設けられてい
る。The water heater 1 has a tank 1a. City water is supplied to the bottom of the tank 1a via a valve 1b. Hot water is supplied from the top of the tank 1a to a pressure regulating valve 1c.
And sent to the mixing tap 4. Further, a bypass 1d connecting the lower end and the upper end of the tank 1a is provided, and the bypass 1d is provided with a pump 1e.
【０００９】前記冷凍機２は、熱媒体としてＣＯ２が用
いられコンプレッサ２ａにより冷凍サイクル中を循環さ
せられ、その冷凍サイクル途中には放熱器２ｂと、蒸発
器２ｃと、減圧バルブ２ｄとが配設されている。The refrigerating machine 2 uses CO 2 as a heat medium and is circulated through a refrigerating cycle by a compressor 2a. A radiator 2b, an evaporator 2c and a pressure reducing valve 2d are arranged in the refrigerating cycle. Has been established.
【００１０】前記冷水器３は、給湯器１への市水供給路
が分岐された分岐路３ａにより市水が供給され、この分
岐路３ａは冷水器３を経て前記混合栓４に接続されてい
る。又、分岐路３ａの要所には、バルブ３ｂと切り替え
バルブ３ｃとが設けられ、更にエアポンプ３ｄが取り付
けられている。The water cooler 3 is supplied with city water through a branch 3a in which a city water supply path to the water heater 1 is branched, and the branch 3a is connected to the mixing tap 4 via the water cooler 3. I have. Further, a valve 3b and a switching valve 3c are provided at a key point of the branch path 3a, and an air pump 3d is further mounted.
【００１１】前記冷凍機２のＣＯ２は、コンプレッサ２
ａで圧縮された後に放熱器２ｂで、前記ポンプ１ｅによ
りタンク１ａの下部から取り出されてバイパス１ｄを通
過する水を加熱する。即ち、バイパス１ｄ内を通過する
水は、加熱部Ａにおいて熱せられ温水となった後にタン
ク１ａの上部に流入し、貯湯される。The CO 2 of the refrigerator 2 is
After being compressed by a, the radiator 2b heats the water taken out from the lower part of the tank 1a by the pump 1e and passing through the bypass 1d. That is, the water passing through the bypass 1d is heated in the heating unit A and becomes hot water, then flows into the upper portion of the tank 1a and is stored.
【００１２】一方、減圧バルブ２ｄを介して蒸発器２ｃ
に送り込まれたＣＯ２はここで蒸発させられ、その際に
発生する蒸発熱（冷熱）と、蒸発器２ｃに関連して設け
られたエア回路５を通過するエアとの間で熱交換が行わ
れる。即ち、ファン５ａを介してエア回路５を循環する
エアは、冷却部Ｂにおいて冷却された後に冷水器３に流
入する。On the other hand, the evaporator 2c passes through the pressure reducing valve 2d.
The CO 2 sent to the evaporator 2 is evaporated here, and heat exchange takes place between the evaporative heat (cold heat) generated at that time and the air passing through the air circuit 5 provided in association with the evaporator 2c. Will be That is, the air circulating in the air circuit 5 via the fan 5a flows into the water cooler 3 after being cooled in the cooling unit B.
【００１３】この冷水器３では、冷却部Ｂにおいて冷却
されたエアと冷水器３内を通過する市水との間で熱交換
が行われ、市水は冷却されて冷水となる。この場合、市
水の冷却は冷却部ｂに関連して設けられたエア回路５の
冷却エアを介して行われるが、図２のようにエア回路５
を設けないで、冷水器３（タンク形式とする）の中に蒸
発器２ｃを設けてＣＯ２の蒸発熱で直接冷水器３内に供
給した市水を直接冷却するように構成しても良い。冷水
器３の容量が充分に取れない場合は、蓄熱材（蓄冷材）
を介して冷水器３内の水を冷却するように構成しても良
い。冷凍機２の媒体としてＣＯ２を用いたのは、他の媒
体よりも熱交換効率が良く、コンプレッサ２ａでの圧縮
後の温度が高くできるからであり、給湯器１では約８５
℃〜９０℃の温水が貯湯され、冷水器３では約５℃〜１
０℃の冷水が得られる。In the water cooler 3, heat exchange is performed between the air cooled in the cooling unit B and city water passing through the water cooler 3, and the city water is cooled to become cold water. In this case, the city water is cooled through the cooling air of the air circuit 5 provided in association with the cooling section b.
May be provided, and the evaporator 2c may be provided in the water cooler 3 (in the form of a tank) to directly cool the city water supplied into the water cooler 3 directly by the heat of evaporation of CO 2. . If the capacity of the water cooler 3 is not sufficient, a heat storage material (cool storage material)
It may be configured to cool the water in the water cooler 3 via the cooling water. The reason why CO 2 was used as the medium of the refrigerator 2 is that the heat exchange efficiency is higher than the other medium and the temperature after compression by the compressor 2 a can be increased.
Hot water of 90 ° C. to 90 ° C. is stored.
0 ° C. cold water is obtained.
【００１４】このようにして、冷凍機２の作用により給
湯器１で温水が生成されると共に冷水器３で冷水が生成
され、これらの温水及び冷水は前記のように混合栓４に
送り込まれる。図１では、混合栓４は１つであるが現実
の使用においてはキッチン、風呂場、洗面所等にそれぞ
れ設け、各混合栓に前記温水及び冷水がそれぞれ供給さ
れるように分岐配管しても良い。これらの混合栓４によ
り、温水のみ或は冷水のみ又は温水と冷水との混合率を
自在に変えることで所要温度（市水より低い温度を含
む）の混合水を出すことができる。市水より低い温度の
混合水を得る際に、温水を用いるのは省エネに反するの
で冷水と市水との混合で混合水が得られるように、混合
栓４が市水と温水又は冷水のいずれかとを混合するよう
に切り換えを設けても良い。前記ユニットＵは、住宅の
外部に隣接して設置することが可能である。As described above, the hot water is generated by the water heater 1 by the operation of the refrigerator 2 and the cold water is generated by the water cooler 3, and the hot water and the cold water are sent to the mixing tap 4 as described above. In FIG. 1, the number of mixing taps 4 is one, but in actual use, it is provided in a kitchen, a bathroom, a lavatory, etc., and a branch pipe is provided so that the hot and cold water is supplied to each mixing tap. good. By using these mixing taps 4, mixed water of a required temperature (including a temperature lower than city water) can be output by freely changing the mixing ratio of only hot water, only cold water, or hot water and cold water. When using mixed water at a lower temperature than city water, using hot water is against energy conservation, so that the mixing tap 4 is used to mix the city water and hot or cold water so that mixed water can be obtained by mixing cold and city water. Switching may be provided to mix the heel. The unit U can be installed adjacent to the outside of the house.
【００１５】前記冷水器３に通じる分岐路３ａ（配水
管）に設けたエアポンプ３ｄは、混合栓４まで連通して
いる分岐路３ａ中に冷水が溜まることにより凍結するの
を防止するためのものである。冬期において夜間凍結す
る恐れのある時には、前記バルブ３ｂを閉にすると共に
切り替えバルブ３ｃを開に切り替え、分岐路３ａ中の冷
水が排水路３ｅに流れるようにし、エアポンプ３ｄから
エアを送り込んで分岐路３ａ中の水を強制的に排除す
る。An air pump 3d provided in a branch 3a (water pipe) communicating with the water cooler 3 is for preventing freezing due to accumulation of cold water in the branch 3a communicating with the mixing tap 4. It is. When there is a risk of freezing at night in winter, the valve 3b is closed and the switching valve 3c is opened to allow the cold water in the branch 3a to flow to the drain 3e, and air is sent from the air pump 3d to branch the passage. The water in 3a is forcibly eliminated.
【００１６】凍結防止の他の手段としては、図１に仮想
線で示すように冷水器３と混合栓４との間にヒータＨを
設けるようにしても良い。このヒータＨの熱源としては
前記コンプレッサ２ａの排熱を利用することも可能であ
る。As another means for preventing freezing, a heater H may be provided between the water cooler 3 and the mixing tap 4 as shown by a virtual line in FIG. As the heat source of the heater H, the exhaust heat of the compressor 2a can be used.
【００１７】図３は、本発明の他の実施形態を示すシス
テム構成図であり、ユニットにおける冷凍機のＣＯ２を
二段圧縮方式にして性能を高めたものである。この場
合、ＣＯ２は冷凍機２１におけるコンプレッサ２１ａで
１段目圧縮されてから空冷器２１ｅで冷却され、先に放
熱器２１ｂで放熱した後に分岐点Ｃで分流すると共に分
岐路Ｃ１を通って膨張弁Ｄ１及び蒸発器Ｅ１を経て戻さ
れる一部のＣＯ２と合流して前記コンプレッサ２１ａで
２段目圧縮され、この２段目圧縮されたＣＯ２が放熱器
２１ｂに供給される。[0017] FIG. 3 is a system configuration diagram showing another embodiment of the present invention, in which the CO 2 of the refrigerator in unit enhanced to performance two-stage compression system. In this case, the CO 2 is first compressed by the compressor 21a of the refrigerator 21 and then cooled by the air cooler 21e. The CO 2 is first radiated by the radiator 21b, then diverted at the branch point C, and expanded through the branch C1. A part of the CO 2 returned via the valve D1 and the evaporator E1 is merged with the CO 2 to be compressed in the second stage by the compressor 21a, and the second-stage compressed CO 2 is supplied to the radiator 21b.
【００１８】この放熱器２１ｂの放熱で給湯器１１のバ
イパス１１ｄを通過する水を温め、前記分岐点Ｃで分流
した一部のＣＯ２は前記分岐路Ｃ１側に流れ、分岐路Ｃ
２側に流入したＣＯ２は、蒸発器Ｅ１で冷却された後に
三方弁Ｆ１により再度分流される。三方弁Ｆ１から分岐
路Ｇ１に流入したＣＯ２は膨張弁Ｄ２、蒸発器Ｅ２、三
方弁Ｆ２を経てコンプレッサ２１ａに戻される。一方、
三方弁Ｆ１から分岐路Ｇ２に流入したＣＯ２は、膨張弁
Ｄ３を経て蒸発器２１ｃで蒸発され、その際発生する蒸
発熱（冷熱）により冷水器３１の水を冷却した後、前記
三方弁Ｆ２を介して前記分岐路Ｇ１からのＣＯ２に合流
してコンプレッサ２１ａに戻される。The water passing through the bypass 11d of the water heater 11 is heated by the heat radiation of the radiator 21b, and a part of the CO 2 diverted at the branch point C flows to the branch path C1 side, and the branch path C
The CO 2 that has flowed into the second side is cooled by the evaporator E1 and then split again by the three-way valve F1. The CO 2 flowing from the three-way valve F1 into the branch G1 is returned to the compressor 21a via the expansion valve D2, the evaporator E2, and the three-way valve F2. on the other hand,
The CO 2 flowing from the three-way valve F1 into the branch path G2 is evaporated by the evaporator 21c via the expansion valve D3, and the water of the water cooler 31 is cooled by the heat of evaporation (cold heat) generated at that time. It joins the CO 2 from the branch passage G1 via the back to the compressor 21a by.
【００１９】前記蒸発器２１ｃは冷水器３１のタンク内
に設置され、蓄冷材及び放熱フィンを備えこの蓄冷材を
直接冷却し、分岐路３１ａを経て供給される市水を冷却
し、冷却された冷水は給水路３１ｆ（配水管）を経て混
合栓４１に供給される。混合栓４１は、温水、冷水、市
水を混合するものである。The evaporator 21c is provided in a tank of the water cooler 31 and is provided with a cool storage material and a radiating fin. The cool storage material is directly cooled, and the city water supplied through the branch passage 31a is cooled. The cold water is supplied to the mixing tap 41 via a water supply passage 31f (water distribution pipe). The mixing tap 41 mixes hot water, cold water, and city water.
【００２０】[0020]
【発明の効果】以上説明したように、本発明は、住宅に
付設されるＣＯ２給湯ユニットにおいて、従来廃熱され
ていたＣＯ２蒸発熱を有効利用して冷水を生成し、この
冷水と給湯器で生成した温水とを混合栓に供給するよう
に構成したので、キッチン、風呂場、洗面所等で温水、
冷水のみならず、温水と冷水とを自在に混合することで
市水より低い所要温度の混合水を得ることができる。こ
の場合、市水以下の冷水が得られ、特に夏期において手
洗い、洗顔等が快適になり、その他果物等の簡易冷却や
子供の熱さまし用水として使用できる等の優れた効果が
得られる。又、冷水機構に関連させて凍結防止手段を設
けたので、冬期に凍結することはない。As described above, according to the present invention, in a CO 2 hot water supply unit attached to a house, cold water is generated by effectively utilizing the CO 2 evaporation heat that has been conventionally waste heat. It is configured to supply the hot water generated by the vessel to the mixing tap, so that hot water can be used in kitchens, bathrooms, washrooms, etc.
By freely mixing not only cold water but also hot water and cold water, mixed water having a required temperature lower than city water can be obtained. In this case, cold water equal to or less than city water can be obtained, and in particular, excellent effects such as easy washing of hands and face washing can be obtained in summer, and other effects such as simple cooling of fruits and the like and use as water for cooling children can be obtained. Further, since the anti-freezing means is provided in connection with the chilled water mechanism, it does not freeze in winter.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明に係る温水・冷水供給装置の実施形態を
示す説明図FIG. 1 is an explanatory view showing an embodiment of a hot / cold water supply device according to the present invention.
【図２】冷水器の他の実施形態を示す説明図FIG. 2 is an explanatory view showing another embodiment of the water cooler.
【図３】本発明に係る温水・冷水供給装置の他の実施形
態を示す説明図FIG. 3 is an explanatory view showing another embodiment of the hot / cold water supply device according to the present invention.
１…給湯器 ２…冷凍機 ３…冷水器 ４…混合栓 ５…エア回路 １１…給湯器 ２１…冷凍機 ３１…冷水器 ４１…混合栓 DESCRIPTION OF SYMBOLS 1 ... Water heater 2 ... Refrigerator 3 ... Water cooler 4 ... Mixer tap 5 ... Air circuit 11 ... Water heater 21 ... Refrigerator 31 ... Water cooler 41 ... Mixer tap
───────────────────────────────────────────────────── フロントページの続き (72)発明者 青木 均史 大阪府守口市京阪本通２丁目５番５号 三 洋電機株式会社内 (72)発明者 柿沼 裕貴 大阪府守口市京阪本通２丁目５番５号 三 洋電機株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hitoshi Aoki 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Yuki Kakinuma 2-chome Keihanhondori, Moriguchi-shi, Osaka No. 5-5 in Sanyo Electric Co., Ltd.
Claims (6)
え、圧縮機で圧縮されたＣＯ２の放熱を用いて貯湯タン
ク内に貯湯する給湯器と、前記冷凍サイクルの蒸発器で
生成される冷熱を用いて冷却された水を蓄える水タンク
と、前記給湯器から供給される湯水と水タンクから供給
される冷水とを混合する混合栓とを備えることを特徴と
する温水・冷水供給装置。1. A water heater that includes a refrigeration cycle using CO 2 as a heat medium, stores water in a hot water storage tank using heat radiation of CO 2 compressed by a compressor, and is generated by an evaporator of the refrigeration cycle. A hot / cold water supply device, comprising: a water tank for storing water cooled using cold heat; and a mixing tap for mixing hot water supplied from the water heater and cold water supplied from the water tank.
れる請求項１記載の温水・冷水供給装置。2. The hot / cold water supply device according to claim 1, wherein water from city water is further supplied to said mixing tap.
え、圧縮機で圧縮されたＣＯ２の放熱を用いて貯湯タン
ク内に貯湯する給湯器と、前記冷凍サイクルの蒸発器で
生成される冷熱を用いて冷却された水を蓄える水タンク
と、前記給湯器から供給される湯水もしくは前記水タン
クから供給される冷水と市水とを混合する混合栓とを備
えることを特徴とする温水・冷水供給装置。3. A water heater that includes a refrigeration cycle using CO 2 as a heat medium, stores hot water in a hot water storage tank using heat radiation of CO 2 compressed by a compressor, and is generated by an evaporator of the refrigeration cycle. A water tank for storing water cooled using cold heat, and a hot water / water mixer comprising a mixing tap for mixing cold water supplied from the water heater or cold water supplied from the water tank with city water. Cold water supply device.
で生成される冷熱で前記蓄冷材を冷却する請求項１乃至
３いずれか記載の温水・冷水供給装置。4. The hot / cold water supply device according to claim 1, wherein the water tank includes a cold storage material, and the cold storage material is cooled by cold generated by the evaporator.
段を設けた請求項１乃至４いずれか記載の温水・冷水供
給装置。5. The hot / cold water supply device according to claim 1, wherein a freeze prevention means is provided in a pipe associated with the water tank.
え、圧縮機で圧縮されたＣＯ２の放熱を用いて貯湯タン
ク内に貯湯する給湯器と、前記冷凍サイクルの蒸発器で
生成される冷熱を用いて冷却された水を蓄える水タンク
とを備え、この水タンクからの冷水を利用可能に構成す
ることを特徴とする温水・冷水供給装置。6. A water heater that includes a refrigeration cycle using CO 2 as a heat medium, stores water in a hot water storage tank using heat radiation of CO 2 compressed by a compressor, and is generated by an evaporator of the refrigeration cycle. A hot water / cold water supply device comprising: a water tank for storing water cooled by using cold heat; and making available cold water from the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000276338A JP2002089957A (en) | 2000-09-12 | 2000-09-12 | Warm water and chilled water supplying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000276338A JP2002089957A (en) | 2000-09-12 | 2000-09-12 | Warm water and chilled water supplying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002089957A true JP2002089957A (en) | 2002-03-27 |
Family
ID=18761818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000276338A Pending JP2002089957A (en) | 2000-09-12 | 2000-09-12 | Warm water and chilled water supplying system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002089957A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006074572A1 (en) * | 2005-01-12 | 2006-07-20 | Matsushita Electric Industrial Co., Ltd. | Hot and cold water dispenser and method of controlling same |
| CN100419349C (en) * | 2004-07-07 | 2008-09-17 | 三洋电机株式会社 | Refrigeration system |
| US20080289811A1 (en) * | 2007-05-23 | 2008-11-27 | Ats Japan Corp. | Constant temperature controller |
| JP2008309365A (en) * | 2007-06-13 | 2008-12-25 | Sanyo Electric Co Ltd | Cooling device |
| EP2148143A2 (en) | 2008-07-21 | 2010-01-27 | César González Valiente | Electrical appliance producing hot water |
| ES2339523A1 (en) * | 2008-07-21 | 2010-05-20 | Cesar Gonzalez Valiente | Hot water producer electrodomestico (Machine-translation by Google Translate, not legally binding) |
| WO2014111020A1 (en) * | 2013-01-21 | 2014-07-24 | 深圳市庄合智能产业科技有限公司 | Hot and cold balancer set |
| JP2015194317A (en) * | 2014-03-31 | 2015-11-05 | ダイキン工業株式会社 | Hot water supply system |
| CN113405306A (en) * | 2021-07-19 | 2021-09-17 | 珠海格力电器股份有限公司 | Cold station and anti-freezing method thereof |
-
2000
- 2000-09-12 JP JP2000276338A patent/JP2002089957A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419349C (en) * | 2004-07-07 | 2008-09-17 | 三洋电机株式会社 | Refrigeration system |
| WO2006074572A1 (en) * | 2005-01-12 | 2006-07-20 | Matsushita Electric Industrial Co., Ltd. | Hot and cold water dispenser and method of controlling same |
| US20080289811A1 (en) * | 2007-05-23 | 2008-11-27 | Ats Japan Corp. | Constant temperature controller |
| JP2008309365A (en) * | 2007-06-13 | 2008-12-25 | Sanyo Electric Co Ltd | Cooling device |
| EP2148143A2 (en) | 2008-07-21 | 2010-01-27 | César González Valiente | Electrical appliance producing hot water |
| ES2339523A1 (en) * | 2008-07-21 | 2010-05-20 | Cesar Gonzalez Valiente | Hot water producer electrodomestico (Machine-translation by Google Translate, not legally binding) |
| EP2148143A3 (en) * | 2008-07-21 | 2011-12-28 | César González Valiente | Electrical appliance producing hot water |
| WO2014111020A1 (en) * | 2013-01-21 | 2014-07-24 | 深圳市庄合智能产业科技有限公司 | Hot and cold balancer set |
| JP2015194317A (en) * | 2014-03-31 | 2015-11-05 | ダイキン工業株式会社 | Hot water supply system |
| CN113405306A (en) * | 2021-07-19 | 2021-09-17 | 珠海格力电器股份有限公司 | Cold station and anti-freezing method thereof |
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