JP2002310499A - Heat pump type hot-water supplier - Google Patents

Heat pump type hot-water supplier

Info

Publication number
JP2002310499A
JP2002310499A JP2001112075A JP2001112075A JP2002310499A JP 2002310499 A JP2002310499 A JP 2002310499A JP 2001112075 A JP2001112075 A JP 2001112075A JP 2001112075 A JP2001112075 A JP 2001112075A JP 2002310499 A JP2002310499 A JP 2002310499A
Authority
JP
Japan
Prior art keywords
heat pump
hot water
water storage
evaporator
water 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
JP2001112075A
Other languages
Japanese (ja)
Inventor
Koji Shimazaki
幸治 島崎
Masaaki Ishiyama
正昭 石山
Shinji Kuramoto
新治 蔵本
Tsuyoshi Yokomizo
剛志 横溝
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.)
Hitachi Appliances Inc
Original Assignee
Hitachi Air Conditioning Systems Co 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 Hitachi Air Conditioning Systems Co Ltd filed Critical Hitachi Air Conditioning Systems Co Ltd
Priority to JP2001112075A priority Critical patent/JP2002310499A/en
Publication of JP2002310499A publication Critical patent/JP2002310499A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00Fluid heaters characterised by the use of heat pumps
    • F24H4/02Water heaters
    • F24H4/04Storage heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2309/00Gas cycle refrigeration machines
    • F25B2309/06Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00Details of evaporators; Details of condensers
    • F25B2339/04Details of condensers
    • F25B2339/047Water-cooled condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008Compression 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

Abstract

PROBLEM TO BE SOLVED: To provide a heat pump type hot-water supplier, contriving the space saving of the place of installation as well as the simplification of a work at site and capable of improving the reliability of the same. SOLUTION: The heat pump type hot-water supplier is constituted of a hot-water storage unit, consisting of a hot-water storage tank 1 and a pump 2 for circulation, and a refrigerating cycle unit, constituted of a gas cooler 5, a compressor 6, an evaporator 7 and an expansion valve 9 so as to circulate refrigerant through them, while the hot-water storage unit and the refrigerating cycle unit are housed in the same cabinet 13 to integrate them.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、ヒートポンプ式給
湯機に関し、特に、炭酸ガス冷媒を使用したヒートポン
プ式給湯機に好適に用いることができる、設置場所の省
スペース化及び現地施工の簡易化を図り、かつ信頼性を
向上させることができるヒートポンプ式給湯機に関する
ものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat pump type water heater, and more particularly to a heat pump type water heater using a carbon dioxide gas refrigerant. The present invention relates to a heat pump water heater capable of improving reliability.

【0002】[0002]

【従来の技術】従来の炭酸ガス冷媒を使用したヒートポ
ンプ式給湯機は、図2に示すように、貯湯槽1及び循環
用ポンプ2を備えた貯湯部15と、ガスクーラ5、圧縮
機6、蒸発器用ファン8を備えた蒸発器7及び膨張弁9
間を、冷媒としての炭酸ガス(CO2)が循環するよう
に封入した冷凍サイクル部17とを個別に製作し、これ
を現地において設置した後、貯湯部15と冷凍サイクル
部17間を水配管11、12若しくは冷媒配管(図示省
略)で接続し、さらに、貯湯槽1の下部には給水管3
を、上部位置に給湯管4をそれぞれ接続し、給水を下部
から、給湯を蛇口18等を操作することにより行えるよ
うに構成している。
2. Description of the Related Art As shown in FIG. 2, a conventional heat pump water heater using a carbon dioxide gas refrigerant has a hot water storage section 15 having a hot water tank 1 and a circulation pump 2, a gas cooler 5, a compressor 6, and an evaporator. Evaporator 7 equipped with dexterous fan 8 and expansion valve 9
A refrigeration cycle unit 17 in which carbon dioxide gas (CO 2 ) as a refrigerant is circulated is separately manufactured between the hot water storage unit 15 and the refrigeration cycle unit 17. 11 and 12 or a refrigerant pipe (not shown), and a water supply pipe 3
The hot water supply pipe 4 is connected to the upper position, and the hot water can be supplied from the lower portion by operating the faucet 18 or the like.

【0003】[0003]

【発明が解決しようとする課題】ところで、上記従来の
ヒートポンプ式給湯機においては、貯湯部15と冷凍サ
イクル部17の両者を設置するためのスペースを確保す
る必要があり、また、両者の間の配管接続を現地にて行
うようにしているため、手間がかかり、さらには、配管
の信頼性が劣るという問題があった。また、貯湯部15
と冷凍サイクル部17間を冷媒配管で接続するように構
成した場合、炭酸ガス冷媒は10MPaと非常に高圧の
ため、従来の冷媒配管と同様の施工では信頼性に劣ると
いう問題もあった。
In the above-mentioned conventional heat pump water heater, it is necessary to secure a space for installing both the hot water storage unit 15 and the refrigeration cycle unit 17. Since the pipe connection is performed on site, there is a problem that it takes time and furthermore, the reliability of the pipe is inferior. In addition, hot water storage unit 15
And the refrigeration cycle unit 17 are connected by a refrigerant pipe, the carbon dioxide gas refrigerant has a very high pressure of 10 MPa, so that there is also a problem that the reliability is poor in the same construction as the conventional refrigerant pipe.

【0004】本発明は、上記従来のヒートポンプ式給湯
機の有する問題点に鑑み、炭酸ガス冷媒を使用したヒー
トポンプ式給湯機に好適に用いることができる、設置場
所の省スペース化及び現地施工の簡易化を図り、かつ信
頼性を向上させることができるヒートポンプ式給湯機を
提供することを目的とする。
The present invention has been made in view of the above-mentioned problems of the conventional heat pump water heater, and can be suitably used for a heat pump water heater using a carbon dioxide gas refrigerant. It is an object of the present invention to provide a heat pump water heater capable of improving the reliability and improving the reliability.

【0005】[0005]

【課題を解決するための手段】上記目的を達成するた
め、本発明のヒートポンプ式給湯機は、ガスクーラ、圧
縮機、蒸発器及び膨張弁間を冷媒が循環するように構成
した冷凍サイクル部と、貯湯槽及び循環用ポンプより構
成した貯湯部とからなり、前記冷凍サイクル部及び貯湯
部を同一のキャビネット内に収容して一体化したことを
特徴とする。
To achieve the above object, a heat pump water heater according to the present invention comprises: a refrigeration cycle unit configured to circulate refrigerant between a gas cooler, a compressor, an evaporator, and an expansion valve; The refrigeration cycle unit and the hot water storage unit are housed and integrated in the same cabinet, and the hot water storage unit includes a hot water storage tank and a circulation pump.

【0006】このヒートポンプ式給湯機は、冷凍サイク
ル部及び貯湯部を同一のキャビネット内に収容して一体
化しているため、設置場所の省スペース化及び現地施工
の簡易化を図ることができ、また、現地で行う配管、特
に、高圧配管の接続工事がなく、このため、配管不良に
よる水漏れ、冷媒漏れ等のない信頼性の高い配管構造と
することができる。
In this heat pump water heater, the refrigeration cycle section and the hot water storage section are housed and integrated in the same cabinet, so that the installation space can be saved and the on-site construction can be simplified. In addition, there is no need to connect pipes, particularly high-pressure pipes, to be made on site, and therefore, it is possible to provide a highly reliable pipe structure free from water leakage, refrigerant leakage, and the like due to poor piping.

【0007】この場合において、キャビネット内を仕切
板にて上下に仕切り、高温となるガスクーラ及び圧縮機
並びに貯湯槽をドレンパンを兼ねる仕切板より下部位置
に、低温となる蒸発器及び蒸発器用ファンを上部位置に
配置することができる。
In this case, the interior of the cabinet is vertically divided by a partition plate, and the high-temperature gas cooler and compressor and the hot water storage tank are positioned below the partition plate also serving as a drain pan, and the low-temperature evaporator and the evaporator fan are positioned above the partition plate. Position.

【0008】これにより、熱効率が向上するとともに、
蒸発器のドレン水及び空気吹出口から入り込む雨水を同
時に処理することができ、さらに、重量のあるガスクー
ラ、圧縮機等が下部位置に配置することにより、重量的
にバランスがよくなり、貯湯槽が空の場合でも運搬時等
の安定性を増すことができる。
As a result, the thermal efficiency is improved,
The drain water of the evaporator and the rainwater entering from the air outlet can be treated at the same time.Furthermore, the heavy gas cooler, compressor, etc. are arranged at the lower position, so that the weight is well balanced and the hot water storage tank is Even when empty, stability during transportation can be increased.

【0009】また、蒸発器を、キャビネットの正面、側
面又は背面に沿って配置することができる。
Further, the evaporator can be arranged along the front, side or back of the cabinet.

【0010】これにより、キャビネットを、壁との間に
スペースを設けることなく設置することができる。
Thus, the cabinet can be installed without providing a space between the cabinet and the wall.

【0011】また、冷媒に、炭酸ガスを用いることがで
きる。
Further, carbon dioxide can be used as the refrigerant.

【0012】これにより、ガスクーラにおいて、高温高
圧化が可能な炭酸ガス冷媒と、貯湯槽の水との間で、効
率よく熱交換を行うことができる。
Thus, in the gas cooler, heat exchange can be efficiently performed between the carbon dioxide gas refrigerant capable of increasing the temperature and the pressure and the water in the hot water storage tank.

【0013】[0013]

【発明の実施の形態】以下、本発明のヒートポンプ式給
湯機の実施の形態を図面に基づいて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a heat pump water heater according to the present invention will be described below with reference to the drawings.

【0014】図1に、本発明のヒートポンプ式給湯機の
一実施例を示す。このヒートポンプ式給湯機は、貯湯槽
1及び循環用ポンプ2より構成した貯湯部と、ガスクー
ラ5、圧縮機6、蒸発器7及び膨張弁9間を炭酸ガス等
の冷媒が循環するように配管14を介して接続した冷凍
サイクル部とからなり、これらの貯湯部及び冷凍サイク
ル部を同一のキャビネット13内に収容して一体化した
もので、さらに、キャビネット13内を仕切板10にて
上下に仕切り、高温となるガスクーラ5及び圧縮機6並
びに貯湯槽1をドレンパンを兼ねる仕切板10より下方
に、望ましくは、貯湯槽1の下方の空間にガスクーラ5
及び圧縮機6を配置するようにし、一方、低温となる蒸
発器7及び蒸発器用ファン8を仕切板10より上方に配
置するようにしている。
FIG. 1 shows an embodiment of a heat pump water heater according to the present invention. This heat pump type hot water supply system has a pipe 14 for circulating a refrigerant such as carbon dioxide gas between a hot water storage section including a hot water storage tank 1 and a circulation pump 2 and a gas cooler 5, a compressor 6, an evaporator 7, and an expansion valve 9. And a refrigeration cycle unit connected via a chiller. The hot water storage unit and the refrigeration cycle unit are housed and integrated in the same cabinet 13, and the interior of the cabinet 13 is vertically partitioned by a partition plate 10. The gas cooler 5, the compressor 6, and the hot water storage tank 1, which become high temperature, are located below the partition plate 10 serving also as a drain pan, preferably in a space below the hot water storage tank 1.
And the compressor 6, while the evaporator 7 and the evaporator fan 8, which have low temperatures, are arranged above the partition plate 10.

【0015】これにより、熱効率を向上させるととも
に、蒸発器7のドレン水及びキャビネット13の空気吹
出口から入り込む雨水を同時に処理することができ、さ
らに、重量のあるガスクーラ5、圧縮機6等が下部位置
に配置することにより、重量的にバランスがよくなり、
貯湯槽1が空の場合でも運搬時等の安定性を増すことが
できるものとなる。
Thus, the heat efficiency can be improved, and the drain water of the evaporator 7 and the rainwater entering from the air outlet of the cabinet 13 can be simultaneously treated. Further, the heavy gas cooler 5, the compressor 6, etc. By arranging in the position, the weight balance is improved,
Even when the hot water storage tank 1 is empty, stability during transportation and the like can be increased.

【0016】この場合において、貯湯槽1には、その下
部位置に吸水管3を、上部位置に給湯管4をそれぞれ接
続し、特に限定されるものではないが、給湯管4の先端
付近に蛇口18を配設するとともに、貯湯槽1の下部と
上部とを水循環用配管16により接続し、この水循環用
配管16の途中に、循環用ポンプ2及びガスクーラ5を
配設し、循環用ポンプ2により貯湯槽1の水を循環させ
ることによって、貯湯槽1の水をガスクーラ5によって
加熱し、貯湯されるようにする。
In this case, the hot water storage tank 1 is connected with a water absorption pipe 3 at a lower position and a water supply pipe 4 at an upper position, and is not particularly limited. 18, the lower part and the upper part of the hot water storage tank 1 are connected by a water circulation pipe 16, and a circulation pump 2 and a gas cooler 5 are arranged in the middle of the water circulation pipe 16. By circulating the water in the hot water tank 1, the water in the hot water tank 1 is heated by the gas cooler 5 so that the hot water is stored.

【0017】また、蒸発器7は、キャビネット13の正
面、側面又は背面に沿って配置することが好ましく、こ
れにより、キャビネット13を、壁との間にスペースを
設けることなく設置することができるものとなる。
The evaporator 7 is preferably arranged along the front, side or back of the cabinet 13, so that the cabinet 13 can be installed without providing a space between the cabinet 13 and the wall. Becomes

【0018】上記のように構成されたヒートポンプ式給
湯機は、圧縮機6及び蒸発器用ファン8を運転し、高温
高圧の炭酸ガス等の冷媒をガスクーラ5に供給し、貯湯
槽1の下部の水を循環ポンプ2によりガスクーラ5に供
給、加熱し、貯湯槽1の上部に導入することにより、貯
湯槽1への蓄熱運転が行われる。このとき、ガスクーラ
5において貯湯槽1の水と熱交換することにより冷却さ
れた炭酸ガス等の冷媒は、膨張弁9において低温のガス
と液体の二相流となり、さらに、蒸発器7において低
温、低圧のガスになって圧縮機6に導入され、以下、同
様のヒートポンプサイクルを継続する。これにより、貯
湯槽1に高温の湯が上部より順次貯まることになり、貯
湯槽1内の水が所定温度の湯になると圧縮機6及び蒸発
器用ファン8の運転を停止する。
The heat pump type water heater configured as described above operates the compressor 6 and the evaporator fan 8 to supply a high-temperature and high-pressure refrigerant such as carbon dioxide to the gas cooler 5, and to supply water to the lower part of the hot water storage tank 1. Is supplied to the gas cooler 5 by the circulation pump 2, heated, and introduced into the upper part of the hot water storage tank 1, whereby the heat storage operation for the hot water storage tank 1 is performed. At this time, the refrigerant such as carbon dioxide gas cooled by heat exchange with the water in the hot water storage tank 1 in the gas cooler 5 becomes a two-phase flow of a low-temperature gas and a liquid in the expansion valve 9, and further, a low-temperature flow in the evaporator 7. Low-pressure gas is introduced into the compressor 6, and the same heat pump cycle is continued thereafter. Thereby, high-temperature hot water is sequentially stored in the hot water storage tank 1 from above, and when the water in the hot water storage tank 1 becomes hot water of a predetermined temperature, the operation of the compressor 6 and the evaporator fan 8 is stopped.

【0019】なお、一般的には、このヒートポンプ運転
は、電気料金の安い夜間に行われることが多い。そし
て、昼間に貯湯槽1の湯を使う場合は、蛇口18を開く
ことにより行うが、この場合、貯湯槽1は、給水管3の
水道圧がかかるようにされているため(ただし、給水管
3には、減圧弁等を設けることにより、適当な水圧がか
かるようにする。)、蛇口18を開くだけで貯湯槽1か
ら湯を取り出すことができる。
Generally, this heat pump operation is often performed at night when the electricity rate is low. When the hot water in the hot water storage tank 1 is used in the daytime, the faucet 18 is opened. In this case, however, the hot water storage tank 1 is set so that the water pressure of the water supply pipe 3 is applied. 3 is provided with a pressure reducing valve or the like so that an appropriate water pressure is applied.) By simply opening the faucet 18, hot water can be taken out of the hot water storage tank 1.

【0020】そして、この炭酸ガス給湯機は、ヒートポ
ンプ式給湯機を構成する冷凍サイクル部及び貯湯部を同
一のキャビネット13内に収容して一体化しているた
め、設置場所の省スペース化及び現地施工の簡易化を図
ることができ、また、現地で行う配管、特に、高圧配管
の接続工事をなくすことができるものとなる。
In this carbon dioxide gas water heater, the refrigeration cycle unit and the hot water storage unit that constitute the heat pump water heater are housed and integrated in the same cabinet 13, so that the installation space can be saved and the construction site can be reduced. Can be simplified, and the connection work of the piping performed on site, particularly, the high-pressure piping can be eliminated.

【0021】以上、本発明のヒートポンプ式給湯機につ
いて、その実施例に基づいて説明したが、本発明は上記
実施例に記載した構成に限定されるものではなく、例え
ば、炭酸ガス冷媒以外の冷媒を使用したヒートポンプ式
給湯機に適用できる等、その趣旨を逸脱しない範囲にお
いて適宜その構成を変更することができるものである。
Although the heat pump water heater of the present invention has been described based on the embodiment, the present invention is not limited to the structure described in the above embodiment. The configuration can be appropriately changed without departing from the gist of the invention, such as being applicable to a heat pump type hot water heater using the same.

【0022】[0022]

【発明の効果】本発明のヒートポンプ式給湯機によれ
ば、冷凍サイクル部及び貯湯部を同一のキャビネット内
に収容して一体化しているため、設置場所の省スペース
化及び現地施工の簡易化を図ることができ、また、現地
で行う配管、特に、高圧配管の接続工事がなく、このた
め、配管不良による水漏れ、冷媒漏れ等のない信頼性の
高い配管構造とすることができ、施工コストを含む全体
のコストを低減することができる。このため、本発明の
ヒートポンプ式給湯機は、炭酸ガス冷媒を使用したヒー
トポンプ式給湯機に特に好適に用いることができ、ま
た、マンションのベランダ等の狭小で、かつ水漏れ等が
特に問題となる場所にも、支障なく据え付けることがで
きる。
According to the heat pump water heater of the present invention, the refrigeration cycle section and the hot water storage section are housed and integrated in the same cabinet, so that the installation space can be saved and the on-site construction can be simplified. In addition, there is no need to connect pipes, especially high-pressure pipes, to be carried out on-site, so that a highly reliable piping structure free of water leakage, refrigerant leakage, etc. due to poor piping can be provided, and construction costs can be reduced. And the overall cost can be reduced. For this reason, the heat pump water heater of the present invention can be particularly suitably used for a heat pump water heater using a carbon dioxide gas refrigerant. It can be installed in a place without any trouble.

【0023】また、キャビネット内を仕切板にて上下に
仕切り、高温となるガスクーラ及び圧縮機並びに貯湯槽
をドレンパンを兼ねる仕切板より下部位置に、低温とな
る蒸発器及び蒸発器用ファンを上部位置に配置すること
により、熱効率が向上するとともに、蒸発器のドレン水
及び空気吹出口から入り込む雨水を同時に処理すること
ができ、さらに、重量のあるガスクーラ、圧縮機等が下
部位置に配置することにより、重量的にバランスがよく
なり、貯湯槽が空の場合でも運搬時等の安定性を増すこ
とができる。
Further, the interior of the cabinet is vertically divided by a partition plate, and the gas cooler, compressor and hot water tank at high temperature are located below the partition plate also serving as a drain pan, and the evaporator and fan for evaporator at low temperature are located at the upper position. By arranging, the thermal efficiency is improved, and the drain water of the evaporator and the rainwater entering from the air outlet can be simultaneously treated.In addition, by disposing a heavy gas cooler, a compressor, etc. at the lower position, The balance is improved in weight, and the stability during transportation can be increased even when the hot water tank is empty.

【0024】また、蒸発器を、キャビネットの正面、側
面又は背面に沿って配置することにより、キャビネット
を、壁との間にスペースを設けることなく設置すること
ができる。
Further, by disposing the evaporator along the front, side, or back of the cabinet, the cabinet can be installed without providing a space between the cabinet and the wall.

【0025】また、冷媒に、炭酸ガスを用いることによ
り、ガスクーラにおいて、高温高圧化が可能な炭酸ガス
冷媒と、貯湯槽の水との間で、効率よく熱交換を行うこ
とができる。
Further, by using carbon dioxide gas as the refrigerant, heat can be efficiently exchanged between the carbon dioxide gas refrigerant capable of increasing the temperature and the pressure and the water in the hot water storage tank in the gas cooler.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明のヒートポンプ式給湯機の一実施例を示
す説明図である。
FIG. 1 is an explanatory view showing one embodiment of a heat pump water heater according to the present invention.

【図2】従来のヒートポンプ式給湯機を示す説明図であ
る。
FIG. 2 is an explanatory view showing a conventional heat pump water heater.

【符号の説明】 1 貯湯槽 2 循環用ポンプ 3 給水管 4 給湯管 5 ガスクーラ 6 圧縮機 7 蒸発器 8 蒸発器用ファン 9 膨張弁 10 仕切板 11 水配管 12 水配管 13 キャビネット 14 配管 15 貯湯部 16 水循環用配管 17 冷凍サイクル部 18 蛇口[Description of Signs] 1 Hot water storage tank 2 Circulating pump 3 Water supply pipe 4 Hot water supply pipe 5 Gas cooler 6 Compressor 7 Evaporator 8 Evaporator fan 9 Expansion valve 10 Partition plate 11 Water pipe 12 Water pipe 13 Cabinet 14 Pipe 15 Hot water storage section 16 Water circulation piping 17 Refrigeration cycle section 18 Faucet

───────────────────────────────────────────────────── フロントページの続き (72)発明者 蔵本 新治 大阪府茨木市東太田4−5−11 株式会社 日立空調システム茨木工場内 (72)発明者 横溝 剛志 大阪府茨木市東太田4−5−11 株式会社 日立空調システム茨木工場内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shinji Kuramoto 4-5-11 Higashiota, Ibaraki City, Osaka Prefecture Inside Hitachi Air Conditioning System Ibaraki Plant (72) Inventor Takeshi Yokomizo 4-5-11 Higashiota, Ibaraki City, Osaka Prefecture Hitachi Air Conditioning System Ibaraki Plant

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 ガスクーラ、圧縮機、蒸発器及び膨張弁
間を冷媒が循環するように構成した冷凍サイクル部と、
貯湯槽及び循環用ポンプより構成した貯湯部とからな
り、前記冷凍サイクル部及び貯湯部を同一のキャビネッ
ト内に収容して一体化したことを特徴とするヒートポン
プ式給湯機。
A refrigeration cycle unit configured to circulate a refrigerant between a gas cooler, a compressor, an evaporator, and an expansion valve;
A heat pump type water heater comprising a hot water storage unit including a hot water storage tank and a circulation pump, wherein the refrigeration cycle unit and the hot water storage unit are housed and integrated in the same cabinet.
【請求項2】 キャビネット内をドレンパンを兼ねる仕
切板にて上下に仕切り、高温となるガスクーラ及び圧縮
機並びに貯湯槽を仕切板より下部位置に、低温となる蒸
発器及び蒸発器用ファンを上部位置に配置するようにし
たことを特徴とする請求項1記載のヒートポンプ式給湯
機。
2. The interior of the cabinet is vertically divided by a partition plate also serving as a drain pan, and a high-temperature gas cooler, a compressor, and a hot water storage tank are located below the partition plate, and a low-temperature evaporator and an evaporator fan are located at an upper position. 2. The heat pump water heater according to claim 1, wherein the heat pump water heater is arranged.
【請求項3】 蒸発器を、キャビネットの正面、側面又
は背面に沿って配置したことを特徴とする請求項1又は
2記載のヒートポンプ式給湯機。
3. The heat pump water heater according to claim 1, wherein the evaporator is arranged along the front, side, or back of the cabinet.
【請求項4】 冷媒に、炭酸ガスを用いたことを特徴と
する請求項1、2又は3記載のヒートポンプ式給湯機。
4. The heat pump water heater according to claim 1, wherein carbon dioxide gas is used as the refrigerant.
JP2001112075A 2001-04-11 2001-04-11 Heat pump type hot-water supplier Pending JP2002310499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001112075A JP2002310499A (en) 2001-04-11 2001-04-11 Heat pump type hot-water supplier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001112075A JP2002310499A (en) 2001-04-11 2001-04-11 Heat pump type hot-water supplier

Publications (1)

Publication Number Publication Date
JP2002310499A true JP2002310499A (en) 2002-10-23

Family

ID=18963546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001112075A Pending JP2002310499A (en) 2001-04-11 2001-04-11 Heat pump type hot-water supplier

Country Status (1)

Country Link
JP (1) JP2002310499A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007192461A (en) * 2006-01-19 2007-08-02 Matsushita Electric Ind Co Ltd Heat pump type water heater
JP2007232236A (en) * 2006-02-28 2007-09-13 Noritz Corp Heat pump water heater
JP2009180487A (en) * 2008-02-01 2009-08-13 Daikin Ind Ltd Heat pump type water heater
JP2009180489A (en) * 2008-02-01 2009-08-13 Daikin Ind Ltd Heat pump type water heater
CN102538196A (en) * 2012-02-21 2012-07-04 广东美的暖通设备有限公司 Heat pump water heater
JP2013036739A (en) * 2012-10-19 2013-02-21 Daikin Industries Ltd Heat pump type water heater
JP5574069B1 (en) * 2013-05-29 2014-08-20 ダイキン工業株式会社 Hot water storage unit and water heater
JP5574026B1 (en) * 2013-07-09 2014-08-20 ダイキン工業株式会社 Hot water storage unit and water heater
CN104121694A (en) * 2014-08-15 2014-10-29 中山昊天节能科技有限公司 Novel integrated air energy water heater
CN106642662A (en) * 2016-11-25 2017-05-10 陈雪根 Compressor-type water heater

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007192461A (en) * 2006-01-19 2007-08-02 Matsushita Electric Ind Co Ltd Heat pump type water heater
JP2007232236A (en) * 2006-02-28 2007-09-13 Noritz Corp Heat pump water heater
JP2009180487A (en) * 2008-02-01 2009-08-13 Daikin Ind Ltd Heat pump type water heater
JP2009180489A (en) * 2008-02-01 2009-08-13 Daikin Ind Ltd Heat pump type water heater
CN102538196A (en) * 2012-02-21 2012-07-04 广东美的暖通设备有限公司 Heat pump water heater
JP2013036739A (en) * 2012-10-19 2013-02-21 Daikin Industries Ltd Heat pump type water heater
JP5574069B1 (en) * 2013-05-29 2014-08-20 ダイキン工業株式会社 Hot water storage unit and water heater
CN104214944A (en) * 2013-05-29 2014-12-17 大金工业株式会社 Hot water storage unit and hot water supplying device
CN104214944B (en) * 2013-05-29 2015-06-10 大金工业株式会社 Hot water storage unit and hot water supplying device
JP5574026B1 (en) * 2013-07-09 2014-08-20 ダイキン工業株式会社 Hot water storage unit and water heater
CN104121694A (en) * 2014-08-15 2014-10-29 中山昊天节能科技有限公司 Novel integrated air energy water heater
CN106642662A (en) * 2016-11-25 2017-05-10 陈雪根 Compressor-type water heater

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