JP2001099503A - Heat pump system - Google Patents
Heat pump systemInfo
- Publication number
- JP2001099503A JP2001099503A JP27810599A JP27810599A JP2001099503A JP 2001099503 A JP2001099503 A JP 2001099503A JP 27810599 A JP27810599 A JP 27810599A JP 27810599 A JP27810599 A JP 27810599A JP 2001099503 A JP2001099503 A JP 2001099503A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- refrigerant
- heat exchanger
- stage compressor
- hot water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- 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
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、外部への熱供与を
効率的に行えるようにしたヒートポンプ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat pump device capable of efficiently supplying heat to the outside.
【０００２】[0002]
【従来の技術】従来、ヒートポンプ装置は種々の装置に
用いられ、例えば図４にす示すような給湯機における給
湯水の加熱に用いられている。2. Description of the Related Art Conventionally, a heat pump device has been used for various devices, for example, for heating hot water in a water heater as shown in FIG.
【０００３】ヒートポンプ装置１１０は、冷媒を圧縮す
る圧縮機１１１、冷媒と給湯水とを熱交換させる凝縮器
１１２、冷媒を減圧又は絞る減圧装置１１３、冷媒を蒸
発させる蒸発器１１４等を有している。The heat pump device 110 has a compressor 111 for compressing a refrigerant, a condenser 112 for exchanging heat between the refrigerant and hot water, a decompression device 113 for depressurizing or narrowing the refrigerant, an evaporator 114 for evaporating the refrigerant, and the like. I have.
【０００４】このヒートポンプ装置１１０に給湯機１２
０が接続されている。給湯機１２０は、給湯水を貯留す
る給湯タンク１２１、該給湯水を凝縮器１１２を介して
循環させるポンプ１２２等を有している。[0004] The water heater 12 is connected to the heat pump device 110.
0 is connected. Water heater 120 has a hot water tank 121 for storing hot water, a pump 122 for circulating the hot water via condenser 112, and the like.
【０００５】そして、圧縮機１１１で圧縮されて高温高
圧のホットガスとなった冷媒は、凝縮器１１２で給湯水
と熱交換する。これにより、給湯水が加熱されて湯とな
り、冷媒は熱を失って凝縮する。[0005] The refrigerant which has been compressed by the compressor 111 to become a high-temperature and high-pressure hot gas exchanges heat with hot water in the condenser 112. Thereby, the hot water is heated to become hot water, and the refrigerant loses heat and condenses.
【０００６】凝縮した冷媒は、減圧装置１１３により減
圧又は絞られて蒸発器１１４に供給される。この蒸発器
１１４には外熱源である外気等がファン１１５により送
風されており、当該外気と熱交換して蒸発する。The condensed refrigerant is decompressed or throttled by the decompression device 113 and supplied to the evaporator 114. External air or the like, which is an external heat source, is sent to the evaporator 114 by a fan 115, and exchanges heat with the external air to evaporate.
【０００７】この際の蒸発熱は、外気により供給される
ので、ヒートポンプ装置１１０としては熱を外気から汲
上げたことになり、その冷媒が圧縮機１１１に戻ってサ
イクルが１巡する。Since the heat of evaporation at this time is supplied by the outside air, the heat is pumped from the outside air by the heat pump device 110, and the refrigerant returns to the compressor 111 to make one cycle.
【０００８】このようなヒートポンプ装置１１０に用い
られている冷媒として、従来Ｒ−２２等の塩素を含む冷
媒（以下、特定フロンガスと記載する）が用いられてき
た。As a refrigerant used in such a heat pump device 110, a refrigerant containing chlorine (hereinafter, referred to as a specific Freon gas) such as R-22 has been used.
【０００９】しかし、このＲ−２２冷媒はオゾン層を破
壊する原因となることが判明し使用が規制され、これに
代わる冷媒として、地球温暖化係数の小さなＨＣ２９０
（プロパン）等が用いられるようになっている。However, it has been found that this R-22 refrigerant causes destruction of the ozone layer, and its use is regulated. As an alternative refrigerant, HC290 having a small global warming potential is used.
(Propane) and the like are used.
【００１０】しかし、ＨＣ２９０等は強燃性があるた
め、かかる危険性のない冷媒として二酸化炭素が検討さ
れている。However, since HC290 and the like are highly flammable, carbon dioxide is being studied as a refrigerant having no such danger.
【００１１】[0011]
【発明が解決しようとする課題】しかしながら、上記構
成では凝縮器１１２から取出すことができる熱に限界が
あり、例えば給湯機に場合には給湯水の温度を十分に高
温にすることが困難である問題があった。However, in the above configuration, there is a limit to the heat that can be extracted from the condenser 112. For example, in the case of a water heater, it is difficult to make the temperature of hot water sufficiently high. There was a problem.
【００１２】そこで、本発明は、凝縮器から十分な熱が
取出せるようにして熱効率を高めたヒートポンプ装置を
提供することを目的とする。Accordingly, an object of the present invention is to provide a heat pump device capable of extracting sufficient heat from a condenser to improve thermal efficiency.
【００１３】[0013]
【課題を解決するための手段】上記課題を解決するた
め、請求項１にかかる発明は、冷媒を圧縮する圧縮機
と、冷媒と利用側熱媒体とが熱交換して当該利用側熱媒
体を加熱する熱利用側熱交換器と、冷媒を減圧又は絞る
減圧装置と、外熱源と熱交換して当該外熱源から熱を汲
上げる外熱源側熱交換器とを有したヒートポンプ装置に
おいて、熱利用側熱交換器が、第１及び第２熱交換器に
より形成されて、第１熱交換器で冷媒と熱交換した利用
側熱媒体が分流して、その一部が第２熱交換器機に供給
されて当該第２熱交換器を循環する冷媒と熱交換した
後、合流するようにして、利用側熱交換器から十分な熱
が取出せるようにたことを特徴とする。In order to solve the above-mentioned problems, the invention according to claim 1 is directed to a compressor for compressing a refrigerant, and a heat exchange between the refrigerant and the use-side heat medium to form the use-side heat medium. In a heat pump device having a heat utilization side heat exchanger for heating, a decompression device for decompressing or throttling a refrigerant, and an external heat source side heat exchanger for exchanging heat with an external heat source and pumping heat from the external heat source, A side heat exchanger is formed by the first and second heat exchangers, and the utilization side heat medium that has exchanged heat with the refrigerant in the first heat exchanger is diverted, and a part thereof is supplied to the second heat exchanger. Then, after the heat exchange with the refrigerant circulating in the second heat exchanger, the heat is merged, so that sufficient heat can be extracted from the use side heat exchanger.
【００１４】請求項２にかかる発明は、圧縮機が、前段
圧縮機と該前段圧縮機からの冷媒を更に圧縮する後段圧
縮機とから形成されると共に、熱利用側熱交換器が前段
圧縮機と後段圧縮機との間に配設された第３熱交換器を
備えて、第１熱交換器からの利用側熱媒体が分流して、
一方が第２熱交換器に供給され、他方が第３熱交換器に
供給されて、当該第２及び第３熱交換器で冷媒と熱交換
した後合流するようにして、利用側熱交換器から十分な
熱が取出せるようにたことを特徴とする。According to a second aspect of the present invention, the compressor is formed of a first-stage compressor and a second-stage compressor for further compressing the refrigerant from the first-stage compressor, and the heat utilization-side heat exchanger is a first-stage compressor. And a third heat exchanger disposed between the first heat exchanger and the second heat exchanger.
One is supplied to the second heat exchanger, and the other is supplied to the third heat exchanger. After the heat exchange with the refrigerant in the second and third heat exchangers, the merging is performed. It is characterized in that sufficient heat can be taken out from the.
【００１５】請求項３にかかる発明は、冷媒が二酸化炭
素であることを特徴とする。The invention according to claim 3 is characterized in that the refrigerant is carbon dioxide.
【００１６】[0016]
【発明の実施の形態】本発明の実施の形態を図を参照し
て説明する。図１は本発明の実施の形態に係るヒートポ
ンプ装置３０の回路図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a circuit diagram of a heat pump device 30 according to an embodiment of the present invention.
【００１７】このヒートポンプ装置３０は、冷媒を圧縮
する前段及び後段圧縮機３１，３２、冷媒と利用側熱媒
体である給湯水との熱交換を行う熱利用側熱交換器であ
る第１〜第３熱交換器３３〜３５、冷媒を減圧又は絞る
減圧装置３６、冷媒を蒸発させる外熱源側熱交換器であ
る蒸発器３７等を有している。The heat pump device 30 includes first and second compressors 31 and 32 for compressing the refrigerant, and first to first heat exchangers for exchanging heat between the refrigerant and hot water as the utilization heat medium. It has three heat exchangers 33 to 35, a decompression device 36 for decompressing or narrowing the refrigerant, an evaporator 37 as an external heat source side heat exchanger for evaporating the refrigerant, and the like.
【００１８】また、第１〜第３熱交換器３３〜３５には
給湯ポンプ２２から圧送された給湯水が循環するように
なっている。Hot water supplied from the hot water supply pump 22 is circulated through the first to third heat exchangers 33 to 35.
【００１９】このような構成のヒートポンプ装置３０を
循環する冷媒として、二酸化炭素のように超臨界状態で
使用する冷媒やＨＣ２９０のように凝縮状態を経て使用
する冷媒のように種々の冷媒が適用可能である。Various refrigerants such as a refrigerant used in a supercritical state, such as carbon dioxide, or a refrigerant used through a condensed state, such as HC290, can be applied as a refrigerant circulating in the heat pump device 30 having such a configuration. It is.
【００２０】図２は超臨界状態で使用する冷媒を用いた
場合の温度−エンタルピー線図であり、図３は凝縮状態
を経て使用する冷媒を用いた場合の温度−エンタルピー
線図である。FIG. 2 is a temperature-enthalpy diagram when a refrigerant used in a supercritical state is used, and FIG. 3 is a temperature-enthalpy diagram when a refrigerant used through a condensed state is used.
【００２１】そこで、以下の説明では図２を中心に説明
するが、図２及び図３は同一符号を用いていることから
も分るように、基本的に同じ動作を行う。Therefore, in the following description, FIG. 2 will be mainly described, but basically the same operation is performed as can be seen from the use of the same reference numerals in FIGS.
【００２２】なお、以下の文章中で、例えばＰ１→Ｐ２
やＷ１→Ｗ２と記載すると、温度−エンタルピー線図上
で点Ｐ１から点Ｐ２或は点Ｗ１から点Ｗ２に状態が変化
することを意味するものとする。In the following text, for example, P1 → P2
Or W1 → W2 means that the state changes from point P1 to point P2 or from point W1 to point W2 on the temperature-enthalpy diagram.
【００２３】なお、Ｐは冷媒の状態点を示し、Ｗは給湯
水の状態点を示すものとするが、このとき図２及び図３
は冷媒の温度−エンタルピー線図であり、そこに給湯水
の温度を表示したために、例えばＷ２とＷ４は本来同じ
熱学的状態であるにも関わらず異なる点として記載され
ていることに注意を要する。In addition, P indicates the state point of the refrigerant, and W indicates the state point of the hot water.
Is a temperature-enthalpy diagram of the refrigerant, in which the temperature of the hot water is indicated, and for example, it is noted that W2 and W4 are described as different points despite being originally in the same thermal state. It costs.
【００２４】先ず、給湯水Ａの流れを説明する。給水管
から給湯タンク２１に給湯水が貯留され、その後バルブ
が切替えられて、当該給湯タンク２１に貯留された給湯
水がポンプで圧送される。そのときの水量は流量調整バ
ルブ２３で調整する。First, the flow of hot water A will be described. Hot water is stored in the hot water tank 21 from the water supply pipe, and then the valve is switched, and the hot water stored in the hot water tank 21 is pumped by the pump. The amount of water at that time is adjusted by the flow control valve 23.
【００２５】このようにして圧送された給湯水は、第１
熱交換器３３に供給されて冷媒と熱交換し（Ｗ１→Ｗ
２）、分流部Ｋ１で分流されて一方が第２熱交換器３４
に供給され、他方が第３熱交換器３５に供給される。The hot water supplied under pressure as described above is the first hot water.
It is supplied to the heat exchanger 33 and exchanges heat with the refrigerant (W1 → W
2) One of the second heat exchangers 34 is diverted by the diverter K1.
And the other is supplied to the third heat exchanger 35.
【００２６】その後、分流された給湯水は、それぞれ第
２及び第３熱交換器３４，３５で冷媒と熱交換して更に
温度が上昇し（Ｗ２→Ｗ３、Ｗ４→Ｗ５）、合流部Ｋ２
で合流されて給湯タンク２１に戻る。Thereafter, the split hot water exchanges heat with the refrigerant in the second and third heat exchangers 34 and 35, respectively, and the temperature further rises (W2 → W3, W4 → W5), and the junction K2
And return to the hot water supply tank 21.
【００２７】次に、冷媒の流れを説明する。前段圧縮機
３１で圧縮された冷媒（Ｐ１→Ｐ２）は、第３熱交換器
３５に供給され、ここで給湯水と熱交換する（Ｗ４→Ｗ
５）。Next, the flow of the refrigerant will be described. The refrigerant (P1 → P2) compressed by the first-stage compressor 31 is supplied to the third heat exchanger 35, where it exchanges heat with hot water (W4 → W).
5).
【００２８】冷媒は、第３熱交換器３５で熱を奪われ、
等圧状態で温度が下がり（Ｐ２→Ｐ３）、後段圧縮機３
２に供給されて、更に圧縮される（Ｐ３→Ｐ４）。The refrigerant is deprived of heat in the third heat exchanger 35,
The temperature decreases in the state of equal pressure (P2 → P3),
2 and further compressed (P3 → P4).
【００２９】後段圧縮機３２からの冷媒は、第２熱交換
器３４に供給され、ここで分流部Ｋ１で分流してきた給
湯水と熱交換し、この給湯水を加熱する（Ｗ２→Ｗ
３）。The refrigerant from the latter compressor 32 is supplied to the second heat exchanger 34, where it exchanges heat with the hot water diverted at the diverter K1, and heats this hot water (W2 → W).
3).
【００３０】第２熱交換器３４で熱交換した冷媒は、第
１熱交換器３３に供給され、ここで分流前の給湯水と熱
交換して（Ｗ１→Ｗ２）、過冷却状態となって減圧装置
３６に供給される。The refrigerant that has exchanged heat in the second heat exchanger 34 is supplied to the first heat exchanger 33, where it exchanges heat with hot water before branching (W1 → W2), and enters a supercooled state. The pressure is supplied to the pressure reducing device 36.
【００３１】減圧装置３６に供給された冷媒は、当該減
圧装置３６で減圧又は絞られて（Ｐ５→Ｐ６）、蒸発器
３７で外気と熱交換して加熱されて（Ｐ６→Ｐ１）、過
熱度状態となって前段圧縮機３１に戻る。The refrigerant supplied to the decompression device 36 is decompressed or throttled by the decompression device 36 (P5 → P6), is heated by exchanging heat with the outside air by the evaporator 37 (P6 → P1), and has a degree of superheat. The state is returned to the former stage compressor 31.
【００３２】従って、図１に示す冷媒のサイクルはＰ１
→Ｐ２→Ｐ３→Ｐ４→Ｐ５→→Ｐ６→Ｐ１となり、給湯
水はＷ１→Ｗ２となって分流し、Ｗ２→Ｗ３及びＷ４→
Ｗ５の状態変化した後合流して給湯タンク２１に戻る。Therefore, the cycle of the refrigerant shown in FIG.
→ P2 → P3 → P4 → P5 →→ P6 → P1, and the hot water is diverted to W1 → W2, W2 → W3 and W4 →
After the state of W5 has changed, they merge and return to the hot water supply tank 21.
【００３３】なお、図２及び図３において示すＰ１→Ｐ
２’→Ｐ５→Ｐ６→Ｐ１のサイクルは図４に示す従来構
成の場合のヒートポンプ装置における温度−エンタルピ
ー線図を示し、Ｗ１→Ｗ２’はこのサイクルでの給湯水
の状態変化を示している。Note that P1 → P shown in FIG. 2 and FIG.
The cycle of 2 ′ → P5 → P6 → P1 shows a temperature-enthalpy diagram in the heat pump device in the case of the conventional configuration shown in FIG. 4, and W1 → W2 ′ shows the state change of hot water in this cycle.
【００３４】これらの比較を行うとわるように、従来の
構成では給湯水をＷ２’の状態までしか加熱できないに
もかかわらず、図１に示す本発明にかかる構成ではそれ
より高い温度まで加熱することが出きるようになって、
給湯機からの出湯の温度を高くすることが可能になる。As a comparison of these comparisons, hot water is heated only to the state of W2 'in the conventional configuration, but is heated to a higher temperature in the configuration according to the present invention shown in FIG. When things came out,
The temperature of hot water from the water heater can be increased.
【００３５】[0035]
【発明の効果】以上説明したように請求項１にかかる発
明によれば、熱利用側熱交換器が、第１及び第２熱交換
器により形成されて、第１熱交換器で冷媒と熱交換した
利用側熱媒体が分流して、その一部が第２熱交換器機に
供給されて当該第２熱交換器を循環する冷媒と熱交換し
た後、合流するようにしたので、利用側熱交換器から十
分な熱が取出せるようになってサイクル効率を向上させ
ることが可能になる。As described above, according to the first aspect of the present invention, the heat utilization side heat exchanger is formed by the first and second heat exchangers, and the first heat exchanger uses the refrigerant and heat. Since the exchanged use-side heat medium is diverted and partly supplied to the second heat exchanger to exchange heat with the refrigerant circulating through the second heat exchanger, the heat medium is merged. Sufficient heat can be extracted from the exchanger, and the cycle efficiency can be improved.
【００３６】請求項２にかかる発明によれば、圧縮機
が、前段圧縮機と該前段圧縮機からの冷媒を更に圧縮す
る後段圧縮機とから形成されると共に、熱利用側熱交換
器が前段圧縮機と後段圧縮機との間に配設された第３熱
交換器を備えて、第１熱交換器からの利用側熱媒体が分
流して、一方が第２熱交換器に供給され、他方が第３熱
交換器に供給されて、当該第２及び第３熱交換器で冷媒
と熱交換した後合流するようにしたので、利用側熱交換
器から十分な熱が取出せるようになってサイクル効率を
向上させることが可能になる。According to the second aspect of the present invention, the compressor is formed by the former-stage compressor and the latter-stage compressor that further compresses the refrigerant from the former-stage compressor, and the heat-use-side heat exchanger is formed by the former-stage heat exchanger. A third heat exchanger disposed between the compressor and the second-stage compressor, wherein the utilization-side heat medium from the first heat exchanger shunts, and one is supplied to the second heat exchanger; The other is supplied to the third heat exchanger and exchanges heat with the refrigerant in the second and third heat exchangers, so that the heat is merged, so that sufficient heat can be extracted from the use side heat exchanger. Cycle efficiency can be improved.
【００３７】請求項３にかかる発明によれば、冷媒を二
酸化炭素にしたので、環境保護を可能にすると共に利用
側熱交換器から十分な熱が取出せるようになる。According to the third aspect of the invention, since the refrigerant is carbon dioxide, it is possible to protect the environment and to extract sufficient heat from the use side heat exchanger.
【図１】本発明の実施の形態の説明に適用されるヒート
ポンプ装置の回路図である。FIG. 1 is a circuit diagram of a heat pump device applied to an embodiment of the present invention.
【図２】冷媒を超臨界状態で使用する場合の温度−エン
タルピー線図である。FIG. 2 is a temperature-enthalpy diagram when a refrigerant is used in a supercritical state.
【図３】冷媒を凝縮状態を経て使用する場合の温度−エ
ンタルピー線図である。FIG. 3 is a temperature-enthalpy diagram when a refrigerant is used after being condensed.
【図４】従来の技術の説明に適用されるヒートポンプ装
置の回路図である。FIG. 4 is a circuit diagram of a heat pump device applied to a description of a conventional technique.
３０ ヒートポンプ装置 ３３〜３５ 第１〜第３熱交換器 ３１ 前段圧縮機 ３２ 後段圧縮機 ３６ 減圧装置 ３７ 蒸発器 Ｋ１ 分流部 Ｋ２ 合流部 DESCRIPTION OF SYMBOLS 30 Heat pump device 33-35 1st-3rd heat exchanger 31 First stage compressor 32 Second stage compressor 36 Decompression device 37 Evaporator K1 Dividing part K2 Merging part
Claims (3)
熱媒体とが熱交換して当該利用側熱媒体を加熱する熱利
用側熱交換器と、冷媒を減圧又は絞る減圧装置と、外熱
源と熱交換して当該外熱源から熱を汲上げる外熱源側熱
交換器とを有したヒートポンプ装置において、 前記熱利用側熱交換器が、第１及び第２熱交換器により
形成されて、前記第１熱交換器で冷媒と熱交換した利用
側熱媒体が分流して、その一部が前記第２熱交換器機に
供給されて当該第２熱交換器を循環する冷媒と熱交換し
た後、合流するようにしたことを特徴とするヒートポン
プ装置。1. A compressor for compressing a refrigerant, a heat utilization side heat exchanger for exchanging heat between the refrigerant and the utilization side heat medium to heat the utilization side heat medium, a decompression device for decompressing or restricting the refrigerant, In a heat pump device having an external heat source side heat exchanger that exchanges heat with an external heat source and pumps heat from the external heat source, the heat utilization side heat exchanger is formed by first and second heat exchangers. The usage-side heat medium that has exchanged heat with the refrigerant in the first heat exchanger is divided, and a part of the heat medium is supplied to the second heat exchanger to exchange heat with the refrigerant circulating in the second heat exchanger. A heat pump device characterized by being joined afterwards.
機からの冷媒を更に圧縮する後段圧縮機とから形成され
ると共に、前記熱利用側熱交換器が前記前段圧縮機と後
段圧縮機との間に配設された第３熱交換器を備えて、第
１熱交換器からの利用側熱媒体が分流して、一方が第２
熱交換器に供給され、他方が第３熱交換器に供給され
て、当該第２及び第３熱交換器で冷媒と熱交換した後合
流するようにしたことを特徴とする請求項１記載のヒー
トポンプ装置。2. The compressor according to claim 1, wherein the compressor includes a first-stage compressor and a second-stage compressor that further compresses the refrigerant from the first-stage compressor, and the heat-use-side heat exchanger includes the first-stage compressor and the second-stage compressor. And a third heat exchanger disposed between the first heat exchanger and the second heat exchanger.
2. The heat exchanger according to claim 1, wherein the heat is exchanged with the refrigerant in the second and third heat exchangers after being supplied to the heat exchanger and the other being supplied to the third heat exchanger. Heat pump device.
とする請求項１又は２記載のヒートポンプ装置。3. The heat pump device according to claim 1, wherein the refrigerant is carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27810599A JP3625711B2 (en) | 1999-09-30 | 1999-09-30 | Heat pump equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27810599A JP3625711B2 (en) | 1999-09-30 | 1999-09-30 | Heat pump equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001099503A true JP2001099503A (en) | 2001-04-13 |
| JP3625711B2 JP3625711B2 (en) | 2005-03-02 |
Family
ID=17592709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27810599A Expired - Fee Related JP3625711B2 (en) | 1999-09-30 | 1999-09-30 | Heat pump equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3625711B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1554528A1 (en) * | 2002-10-24 | 2005-07-20 | Showa Denko K.K. | Refrigeration system, compressing and heat-releasing apparatus and heat-releasing device |
| WO2006087011A1 (en) * | 2005-02-18 | 2006-08-24 | Carrier Corporation | Co2-refrigeration device with heat reclaim |
| US7802441B2 (en) | 2004-05-12 | 2010-09-28 | Electro Industries, Inc. | Heat pump with accumulator at boost compressor output |
| US7849700B2 (en) | 2004-05-12 | 2010-12-14 | Electro Industries, Inc. | Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system |
| EP2309209A1 (en) * | 2008-05-02 | 2011-04-13 | Daikin Industries, Ltd. | Refrigeration unit |
| WO2012008431A1 (en) * | 2010-07-15 | 2012-01-19 | ダイキン工業株式会社 | Heat pump system |
| WO2012008479A1 (en) * | 2010-07-15 | 2012-01-19 | ダイキン工業株式会社 | Heat pump system |
| EP3872412A1 (en) * | 2020-02-25 | 2021-09-01 | Panasonic Intellectual Property Management Co., Ltd. | Refrigeration apparatus |
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1999
- 1999-09-30 JP JP27810599A patent/JP3625711B2/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1554528A4 (en) * | 2002-10-24 | 2014-04-30 | Showa Denko Kk | Refrigeration system, compressing and heat-releasing apparatus and heat-releasing device |
| EP1554528A1 (en) * | 2002-10-24 | 2005-07-20 | Showa Denko K.K. | Refrigeration system, compressing and heat-releasing apparatus and heat-releasing device |
| US7802441B2 (en) | 2004-05-12 | 2010-09-28 | Electro Industries, Inc. | Heat pump with accumulator at boost compressor output |
| US7849700B2 (en) | 2004-05-12 | 2010-12-14 | Electro Industries, Inc. | Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system |
| WO2006087011A1 (en) * | 2005-02-18 | 2006-08-24 | Carrier Corporation | Co2-refrigeration device with heat reclaim |
| US8893520B2 (en) | 2005-02-18 | 2014-11-25 | Carrier Corporation | CO2-refrigeration device with heat reclaim |
| EP2309209A1 (en) * | 2008-05-02 | 2011-04-13 | Daikin Industries, Ltd. | Refrigeration unit |
| EP2309209A4 (en) * | 2008-05-02 | 2014-11-19 | Daikin Ind Ltd | Refrigeration unit |
| WO2012008479A1 (en) * | 2010-07-15 | 2012-01-19 | ダイキン工業株式会社 | Heat pump system |
| CN102985767A (en) * | 2010-07-15 | 2013-03-20 | 大金工业株式会社 | Heat pump system |
| CN102985768A (en) * | 2010-07-15 | 2013-03-20 | 大金工业株式会社 | Heat pump system |
| JP2012021721A (en) * | 2010-07-15 | 2012-02-02 | Daikin Industries Ltd | Heat pump system |
| JP2012021720A (en) * | 2010-07-15 | 2012-02-02 | Daikin Industries Ltd | Heat pump system |
| WO2012008431A1 (en) * | 2010-07-15 | 2012-01-19 | ダイキン工業株式会社 | Heat pump system |
| EP3872412A1 (en) * | 2020-02-25 | 2021-09-01 | Panasonic Intellectual Property Management Co., Ltd. | Refrigeration apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3625711B2 (en) | 2005-03-02 |
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