JPS61246541A - Heat pump type hot water supplier - Google Patents
Heat pump type hot water supplierInfo
- Publication number
- JPS61246541A JPS61246541A JP60084618A JP8461885A JPS61246541A JP S61246541 A JPS61246541 A JP S61246541A JP 60084618 A JP60084618 A JP 60084618A JP 8461885 A JP8461885 A JP 8461885A JP S61246541 A JPS61246541 A JP S61246541A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- water
- heat exchanger
- temperature
- feed
- 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
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明はヒートポンプ式給湯機に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a heat pump water heater.
（従来の技術）
従来のヒートポンプ式給湯機においては、第３図に示さ
れるように、圧縮機０１から吐出された高温・高圧の冷
媒ガスは給湯用熱交換器０２に入り、ここで給水と熱交
換してこれを加熱すると同時に自身は冷却されて凝縮し
、低温・高圧の冷媒液となる。この冷媒液はキャピラリ
ーチューブ又は膨張弁等の膨張機構０３に入り、ここで
断熱膨張して低温・低圧の気液二相流となる。次いで、
この気液二相流は熱源側熱交換器０４に入り、ここで冷
却水流入管０５から供給される井戸水等の冷却水によっ
て冷却されることにより蒸発して、低温・低圧の冷媒ガ
スとなり、この状態で圧縮機ＯＩに戻る。(Prior Art) In a conventional heat pump type water heater, as shown in Fig. 3, high-temperature, high-pressure refrigerant gas discharged from a compressor 01 enters a hot water supply heat exchanger 02, where it is exchanged with the water supply. While exchanging heat and heating it, it simultaneously cools itself and condenses, becoming a low-temperature, high-pressure refrigerant liquid. This refrigerant liquid enters an expansion mechanism 03 such as a capillary tube or an expansion valve, where it undergoes adiabatic expansion and becomes a low-temperature, low-pressure gas-liquid two-phase flow. Then,
This gas-liquid two-phase flow enters the heat source side heat exchanger 04, where it is cooled by cooling water such as well water supplied from the cooling water inflow pipe 05, evaporates, and becomes a low-temperature, low-pressure refrigerant gas. Return to compressor OI.
給水は給湯タンク０６からポンプ０７を経て給湯用熱交
換器０２に供給され、給湯用熱交換器０２を流過する過
程で冷媒ガスによって加熱されて昇温した後、温水回路
０８を経て給湯タンク０６に帰る。０９は補給水回路、
０１０は温水吐出回路、０１１は給湯タンク０６内の湯
温を検知するための温度センサーである。The water is supplied from the hot water tank 06 to the hot water heat exchanger 02 via the pump 07, and in the process of flowing through the hot water heat exchanger 02, it is heated by refrigerant gas to raise its temperature, and then passes through the hot water circuit 08 to the hot water tank. Return to 06. 09 is the make-up water circuit,
010 is a hot water discharge circuit, and 011 is a temperature sensor for detecting the temperature of water in the hot water tank 06.
しかして、給湯タンク０６からその貯湯量の約２０〜３
０％の量の湯を温水吐出回路０１０を経て取り出すと、
補給水が補給水回路０９より給湯タンク０６内に補給さ
れる。そして、給湯タンク０６内の湯温が設定値例えば
５０〜５５℃より３〜５℃低下すると、これを温度セン
サー０１１が検知して、これがらの信号により圧縮機０
１及びポンプ０７等を起動し、給湯タンク０６内の湯を
ポンプ０７を経て、給湯用熱交換器０２に循環させるこ
とによってこれを加温し、給湯タンク０６内の湯温が設
定値まで上昇すれば、温度センサー０１１からの信号に
より圧縮機０１、ポンプ０７等を停止するようになって
いる。Therefore, the amount of hot water stored in the hot water tank 06 is about 20 to 3
When 0% amount of hot water is taken out through the hot water discharge circuit 010,
Makeup water is supplied into the hot water tank 06 from a make-up water circuit 09. When the water temperature in the hot water tank 06 drops by 3 to 5 degrees Celsius from the set value, for example, 50 to 55 degrees Celsius, the temperature sensor 011 detects this, and these signals cause the compressor to
1 and pump 07, etc., the hot water in the hot water tank 06 is circulated through the pump 07 and into the hot water heat exchanger 02 to warm it, and the temperature of the hot water in the hot water tank 06 rises to the set value. Then, the compressor 01, pump 07, etc. are stopped by a signal from the temperature sensor 011.
（発明が解決しようとする問題点）
上記従来のヒートポンプ式給湯機においては、給湯タン
ク０６内の貯湯量の約２０〜３０％を取り出すと給湯タ
ンク０６内に冷たい補給水が補給されるので、給湯タン
ク０６内の湯温が低下し、以後、温水吐出管０１０から
取り出される温水は所定の給湯温度以下となって使用に
耐えなくなるという不具合えあった。(Problems to be Solved by the Invention) In the conventional heat pump type water heater described above, when about 20 to 30% of the amount of hot water stored in the hot water tank 06 is taken out, cold make-up water is replenished into the hot water tank 06. There was a problem in that the temperature of the hot water in the hot water supply tank 06 decreased, and the hot water taken out from the hot water discharge pipe 010 thereafter became lower than the predetermined hot water supply temperature and became unusable.
（問題点を解決するための手段）
本発明は上記問題点を解消すると同時に瞬間的に高温の
温水を得ることができ、しかも、高効率で高性能なヒー
トポンプ式給湯機を提供しようとするものであって、そ
の要旨とするところは圧縮機から吐出された冷媒が給湯
用熱交換器、膨張機構、熱源側熱交換器をこの順に経て
上記圧縮機に循環するヒートポンプ式給湯機において、
上記給湯用熱交換器内を流過する冷媒に対して給水を対
向流として流過させるとともに上記給湯用熱交換器で冷
媒と熱交換して加熱された温水を導出する温水吐出回路
に温度調整弁を介装したことを特徴とするヒートポンプ
式給湯機にある。(Means for Solving the Problems) The present invention aims to solve the above problems and at the same time provide a heat pump type water heater that can instantaneously obtain high-temperature hot water and is highly efficient and high-performance. The gist of this is that in a heat pump water heater, the refrigerant discharged from the compressor circulates to the compressor through a hot water supply heat exchanger, an expansion mechanism, and a heat source side heat exchanger in this order.
The temperature is adjusted in the hot water discharge circuit which causes the supplied water to flow in a counter-flow to the refrigerant flowing through the hot water supply heat exchanger, and exchanges heat with the refrigerant in the hot water supply heat exchanger to deliver heated hot water. A heat pump type water heater characterized by having a valve installed therein.
（実施例） 本発明の１実施例が第１図に示されている。(Example) One embodiment of the invention is shown in FIG.
第１図に矢印で示すように、圧縮機１から吐出された冷
媒は給湯用熱交換器２、膨張機構３、熱源側熱交換器４
をこの順に経て圧縮機ｌに循環する。As shown by the arrows in FIG.
are circulated to the compressor 1 in this order.
給水は補給水回路９から給湯用熱交換器２内に供給され
、この中を流過する冷媒に対して対向流となるように流
過させる。そして、この過程で冷媒と熱交換してこれを
凝縮させる一方自身は加熱されて昇温し、その後、温水
吐出回路１２を経て給湯タンク６内に貯溜される。温水
吐出回路１２にはこの温水温度又は冷媒の凝縮圧力信号
によって開閉される温度調整弁１３が介装されている。Feed water is supplied from the make-up water circuit 9 into the hot water supply heat exchanger 2, and is caused to flow through the water supply heat exchanger 2 in a counter flow to the refrigerant flowing therethrough. In this process, the refrigerant exchanges heat with the refrigerant to condense it, and the refrigerant itself is heated and raised in temperature, and is then stored in the hot water tank 6 via the hot water discharge circuit 12. The hot water discharge circuit 12 is provided with a temperature regulating valve 13 that is opened and closed depending on the temperature of the hot water or the condensation pressure signal of the refrigerant.
１４は給湯用配管である。そして、給湯用熱交換器２
の伝熱面積は第３図に示す従来のもののそれより１．５
ないし２倍程度とされ、熱源側熱交換器４の伝熱面積は
第３図に示すもののそれと同程度であるが、されを流れ
る冷却水量は１．３倍程度とする。圧縮機１として容量
７．５Ｌｗのものを用い、給湯用熱交換器２に補給され
る給水及び熱源側熱交換器４に供給される冷却水の温度
をそれぞれ１３℃、冷媒の凝縮圧力を２５ｋｉｒ／ａＪ
、蒸発圧力を４．５１ｕｒ／ｃｊで運転すると、圧縮機
ｌから吐出される冷媒ガスの温度は９３℃、給湯用熱交
換器２で１！縮され過冷却された冷媒液の温度は２０℃
、給湯用熱交換器２から吐出される給湯温度は７３℃と
なる。14 is a hot water supply pipe. And hot water heat exchanger 2
The heat transfer area is 1.5 times smaller than that of the conventional one shown in Figure 3.
The heat transfer area of the heat source side heat exchanger 4 is approximately the same as that shown in FIG. 3, but the amount of cooling water flowing therethrough is approximately 1.3 times. A compressor 1 with a capacity of 7.5 Lw was used, the temperature of the water supplied to the hot water supply heat exchanger 2 and the cooling water supplied to the heat source side heat exchanger 4 was 13°C, and the condensation pressure of the refrigerant was 25 kir. /aJ
When operating at an evaporation pressure of 4.51 ur/cj, the temperature of the refrigerant gas discharged from the compressor 1 is 93°C, and the temperature of the hot water heat exchanger 2 is 1! The temperature of the compressed and supercooled refrigerant liquid is 20℃
, the temperature of the hot water discharged from the hot water heat exchanger 2 is 73°C.
ここで、上記実施例に示す給湯機と第３図に示す従来の
給湯機とを共に圧縮機容１７．５Ｋｗ、冷媒の凝縮圧力
２５ｋｉｒ／ａＪ、冷媒の蒸発圧力を４．５ ｋｇ／ｄ
、給水及び冷却水の温度を共に１３℃で運転してその性
能を対比すると第１表の通りとなる。Here, both the water heater shown in the above embodiment and the conventional water heater shown in FIG. 3 have a compressor capacity of 17.5 Kw, a refrigerant condensation pressure of 25 kir/aJ, and a refrigerant evaporation pressure of 4.5 kg/d.
Table 1 shows the comparison of performance when operating at a temperature of both the feed water and cooling water at 13°C.
第１表
上記第１表に示される通り、この実施例は従来のものよ
り給湯温度が１９℃も上昇するのみならず、性能が向上
し、効率が向上する。また、この実施例の給湯温度と第
３図に示す従来の給湯機の給湯温度が５５℃となるよう
にし、他の条件を上記第１表のそれと同様になるよう運
転してその性能を対比すると第２表の通りとなる。Table 1 As shown in Table 1 above, this embodiment not only increases the hot water supply temperature by 19°C compared to the conventional system, but also improves performance and efficiency. In addition, the hot water supply temperature of this example and the conventional water heater shown in Fig. 3 were set to 55°C, and the performance was compared by operating under the same conditions as those in Table 1 above. Then, it will be as shown in Table 2.
第２表
上記第２表に示す通り、給湯温度を一定とすると、加熱
能力及びｃ−ｏ−ｐがいずれも大幅に増大し、性能も大
幅に向上する。Table 2 As shown in Table 2 above, when the hot water supply temperature is kept constant, both the heating capacity and the co-op increase significantly, and the performance also improves significantly.
なお、上記実施例においては給湯用熱交換器２の伝熱面
積を増加させたが、これに代えて、第２図に示すように
、給湯用熱交換器２の伝熱面積を通常のままとし、この
上流側即ちこれと圧縮ｊｌ！１１との間にこの能力の０
．５〜１倍程度の補助給湯用熱交換器１５を設置し、給
水を給湯用熱交換器２を経て補助給湯用熱交換器１５に
供給されるように流過させることができる。また、上記
第１の実施例では熱源側熱交換器４に供給される冷却水
の流量を１．３倍程度増大させたが、これに代えて冷却
水の流量を増大させずに熱源側熱交換器４の伝熱面積を
１．３倍程度増大させることもでき、また、第２図に示
すように、熱源側熱交換器４として空冷式熱交換器を用
いて、その伝熱面積を増大させ或いはこれを流過する風
量をファン１６を駆動するための電動機１７の周波数を
インバータにより増大させることによって増大させても
良い。In the above embodiment, the heat transfer area of the hot water supply heat exchanger 2 was increased, but instead, as shown in FIG. 2, the heat transfer area of the hot water supply heat exchanger 2 was kept unchanged. And this upstream side, that is, this and compression jl! 0 of this ability between 11 and 11
．． It is possible to install a heat exchanger 15 for auxiliary hot water supply with a capacity of about 5 to 1 times, and to allow the supplied water to flow through the heat exchanger 2 for hot water supply so as to be supplied to the heat exchanger 15 for auxiliary hot water supply. In addition, in the first embodiment, the flow rate of the cooling water supplied to the heat source side heat exchanger 4 was increased by about 1.3 times, but instead of increasing the flow rate of the cooling water, the heat source side heat exchanger 4 was increased by about 1.3 times. The heat transfer area of the exchanger 4 can be increased by about 1.3 times, and as shown in FIG. The frequency of the electric motor 17 for driving the fan 16 may be increased by increasing the frequency of the electric motor 17 for driving the fan 16 by using an inverter.
（発明の作用及び効果）
以上、実施例について具体的に説明したが、本発明にお
いては、給湯用熱交換器内において、これを流過する冷
媒に対して給水を対向流として流過させるので、給湯用
熱交換器の出口における温水は圧縮機の吐出冷媒ガス温
度に近い高温に瞬間的に昇温する。そして、従来のもの
のように、給湯によって冷たい補給水が貯湯タンク内に
流入することがなく、従って、従来のように給湯温度が
低下して使用できなくなることはない。(Operations and Effects of the Invention) The embodiments have been described in detail above, but in the present invention, the feed water is caused to flow in a counter flow to the refrigerant flowing through the heat exchanger for hot water supply. The hot water at the outlet of the hot water supply heat exchanger is instantaneously heated to a high temperature close to the temperature of the refrigerant gas discharged from the compressor. Unlike the conventional system, cold make-up water does not flow into the hot water storage tank due to hot water supply, and therefore, the hot water temperature does not drop and become unusable, as in the conventional system.
また、本発明においては、給湯用熱交換器で加熱された
温水を貯湯タンクに導く温水吐出回路に温度調整弁を介
装し、この温度調整弁の開度を温水温度又は冷媒の凝縮
圧力信号等により調整して給湯用熱交換器から導出され
る温水の温度を所期の給湯温度に維持することができる
。Furthermore, in the present invention, a temperature adjustment valve is interposed in the hot water discharge circuit that leads hot water heated by the hot water supply heat exchanger to the hot water storage tank, and the opening degree of this temperature adjustment valve is determined by the hot water temperature or refrigerant condensation pressure signal. The temperature of the hot water drawn out from the hot water supply heat exchanger can be maintained at the desired hot water supply temperature by adjusting the temperature of the hot water, etc.
第１図は本発明の１実施例を示す系統図、第２図は本発
明の他の実施例を示す系統図である。第３図は従来のヒ
ートポンプ式給湯機の１例を示す系統図である。
圧縮機−１、給湯用熱交換器−２、FIG. 1 is a system diagram showing one embodiment of the present invention, and FIG. 2 is a system diagram showing another embodiment of the invention. FIG. 3 is a system diagram showing an example of a conventional heat pump water heater. Compressor-1, hot water heat exchanger-2,
Claims (1)
、熱源側熱交換器をこの順に経て上記圧縮機に循環する
ヒートポンプ式給湯機において、上記給湯用熱交換器内
を流過する冷媒に対して給水を対向流として流過させる
とともに上記給湯用熱交換器で冷媒と熱交換して加熱さ
れた温水を導出する温水吐出回路に温度調整弁を介装し
たことを特徴とするヒートポンプ式給湯機。In a heat pump water heater in which refrigerant discharged from a compressor circulates to the compressor after passing through a hot water supply heat exchanger, an expansion mechanism, and a heat source side heat exchanger in this order, the refrigerant flowing through the hot water supply heat exchanger. A heat pump type heat pump type characterized in that a temperature adjustment valve is interposed in a hot water discharge circuit that causes the supplied water to flow through the water as a counterflow and exchanges heat with the refrigerant in the hot water supply heat exchanger to derive heated hot water. Water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60084618A JPS61246541A (en) | 1985-04-22 | 1985-04-22 | Heat pump type hot water supplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60084618A JPS61246541A (en) | 1985-04-22 | 1985-04-22 | Heat pump type hot water supplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61246541A true JPS61246541A (en) | 1986-11-01 |
Family
ID=13835675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60084618A Pending JPS61246541A (en) | 1985-04-22 | 1985-04-22 | Heat pump type hot water supplier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61246541A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069236A1 (en) * | 2002-02-12 | 2003-08-21 | Matsushita Electric Industrial Co., Ltd. | Heat pump water heater |
| JP2010223492A (en) * | 2009-03-23 | 2010-10-07 | Toshiba Carrier Corp | Water heat exchanger and heat pump type water heater |
| JP2013181730A (en) * | 2012-03-05 | 2013-09-12 | Mitsubishi Electric Corp | Heat pump type water heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122232A (en) * | 1981-01-22 | 1982-07-30 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supply device |
| JPS58224256A (en) * | 1982-06-22 | 1983-12-26 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supply device |
| JPS6053733A (en) * | 1983-09-05 | 1985-03-27 | Matsushita Electric Ind Co Ltd | Heat pump hot-water supplying machine |
-
1985
- 1985-04-22 JP JP60084618A patent/JPS61246541A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122232A (en) * | 1981-01-22 | 1982-07-30 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supply device |
| JPS58224256A (en) * | 1982-06-22 | 1983-12-26 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supply device |
| JPS6053733A (en) * | 1983-09-05 | 1985-03-27 | Matsushita Electric Ind Co Ltd | Heat pump hot-water supplying machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069236A1 (en) * | 2002-02-12 | 2003-08-21 | Matsushita Electric Industrial Co., Ltd. | Heat pump water heater |
| US7316267B2 (en) | 2002-02-12 | 2008-01-08 | Matsushita Electric Industrial Co., Ltd. | Heat pump water device |
| JP2010223492A (en) * | 2009-03-23 | 2010-10-07 | Toshiba Carrier Corp | Water heat exchanger and heat pump type water heater |
| JP2013181730A (en) * | 2012-03-05 | 2013-09-12 | Mitsubishi Electric Corp | Heat pump type water heater |
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