JPS6160350B2 - - Google Patents
Info
- Publication number
- JPS6160350B2 JPS6160350B2 JP55102146A JP10214680A JPS6160350B2 JP S6160350 B2 JPS6160350 B2 JP S6160350B2 JP 55102146 A JP55102146 A JP 55102146A JP 10214680 A JP10214680 A JP 10214680A JP S6160350 B2 JPS6160350 B2 JP S6160350B2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- expander
- valve
- compressor
- indoor
- 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
【発明の詳細な説明】
本発明はランキンサイクルによつて発生する動
力で圧縮機を駆動させ、ヒートポンプサイクルを
作動させる空気調和装置に関し、ランキンサイク
ルの凝縮熱を暖房の熱源として有効利用すると共
に、室外熱交換器の有効利用を図つた空気調和装
置の回路構成を提供するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an air conditioner that drives a compressor with the power generated by the Rankine cycle to operate a heat pump cycle, and effectively utilizes the condensation heat of the Rankine cycle as a heat source for heating. The present invention provides a circuit configuration of an air conditioner that makes effective use of an outdoor heat exchanger.
従来、この種の空気調和装置は第２図に示すよ
うに、凝縮器１、ポンプ２、ガスバーナなどの加
熱源３により加熱される発生器４、膨張機５を順
次連結したランキンサイクルと、圧縮機６、四方
切換弁７、室内熱交換器８、キヤピラリチユーブ
９、室外熱交換器１０を順次連結したヒートポン
プサイクルとを結合すると共に、ランキンサイク
ルの凝縮熱を暖房の熱源として有効利用するため
には、冷暖切換用の開閉弁１１，１１′および補
助室内熱交換器１２を用いて暖房時には上記補助
室内熱交換器１２をランキンサイクルの凝縮器と
して使用するようにしていた。このため、凝縮器
１は暖房時には不用の物であるにもかかわらず、
冷房時に必要であるため取り除くことができず、
空気調和装置が大型で高コストになるという欠点
があつた。 Conventionally, this type of air conditioner has a Rankine cycle, in which a condenser 1, a pump 2, a generator 4 heated by a heat source 3 such as a gas burner, and an expander 5 are successively connected, and a compressor. In order to combine with a heat pump cycle which sequentially connects a heat exchanger 6, a four-way switching valve 7, an indoor heat exchanger 8, a capillary tube 9, and an outdoor heat exchanger 10, and to effectively use the condensed heat of the Rankine cycle as a heat source for heating. In this system, on-off valves 11 and 11' for switching between cooling and heating and an auxiliary indoor heat exchanger 12 are used, and during heating, the auxiliary indoor heat exchanger 12 is used as a condenser of the Rankine cycle. For this reason, even though the condenser 1 is not needed during heating,
It cannot be removed because it is necessary for cooling,
The drawback was that the air conditioner was large and expensive.
本発明はランキンサイクルの凝縮熱を暖房の熱
源として有効利用すると共にランキンサイクルと
ヒートポンプサイクルの作動流体を同一とし、室
外熱交換器を有効利用することにより、空気調和
装置の小型、低コスト化を図つたものである。 The present invention effectively uses the condensed heat of the Rankine cycle as a heat source for heating, uses the same working fluid for the Rankine cycle and the heat pump cycle, and effectively uses the outdoor heat exchanger, thereby reducing the size and cost of air conditioners. It's a diagram.
以下、本発明の一実施例について第１図に基づ
いて説明する。 Hereinafter, one embodiment of the present invention will be described based on FIG. 1.
第１図において、１３は室外熱交換器で、冷房
時はランキンサイクルおよびヒートポンプサイク
ルの凝縮器として作用し、暖房時はヒートポンプ
サイクルの蒸発器として作用する。１４は室内熱
交換器で冷房時はヒートポンプサイクルの蒸発器
として作用して室内空気を冷却すると共に、暖房
時はヒートポンプサイクルの凝縮器として作用し
て、室内空気を加熱する。１５は補助室内熱交換
器で、暖房時にランキンサイクルの凝縮器として
作用して、室内空気を加熱する。１６は発生器で
あり、ガスバーナ、灯油バーナ、排熱等の加熱源
１７により加熱される。１８は膨張機、１９は上
記膨張機１８により駆動される圧縮機、２０はポ
ンプ、２１はヒートポンプサイクル用の四方切換
弁、２２はキヤピラリチユーブである。すなわ
ち、ランキンサイクルはポンプ２０、発生器１
６、膨張機１８、室外熱交換器１３あるいは補助
室内熱交換器１５により構成され、ヒートポンプ
サイクルは圧縮機１９、四方切換弁２１、室外熱
交換器１３、キヤピラリチユーブ２２、室内熱交
換器１４で構成されている。なお２３，２４は逆
止弁であり、２５は冷房時に開成され、暖房時に
閉止される開閉弁であり、２６は冷房時に閉止さ
れ、暖房時に開閉される開閉弁である。また、２
７は室外熱交換器用フアン、２８は室内熱交換器
用フアンである。 In FIG. 1, reference numeral 13 denotes an outdoor heat exchanger, which acts as a condenser for the Rankine cycle and the heat pump cycle during cooling, and as an evaporator for the heat pump cycle during heating. Reference numeral 14 denotes an indoor heat exchanger which acts as an evaporator of a heat pump cycle to cool indoor air during cooling, and acts as a condenser of a heat pump cycle during heating to heat indoor air. Reference numeral 15 denotes an auxiliary indoor heat exchanger, which acts as a Rankine cycle condenser during heating to heat indoor air. 16 is a generator, which is heated by a heat source 17 such as a gas burner, a kerosene burner, or exhaust heat. 18 is an expander, 19 is a compressor driven by the expander 18, 20 is a pump, 21 is a four-way switching valve for the heat pump cycle, and 22 is a capillary tube. That is, the Rankine cycle consists of pump 20, generator 1
6. Consists of an expander 18, an outdoor heat exchanger 13 or an auxiliary indoor heat exchanger 15, and the heat pump cycle includes a compressor 19, a four-way switching valve 21, an outdoor heat exchanger 13, a capillary tube 22, and an indoor heat exchanger 14. It consists of Note that 23 and 24 are check valves, 25 is an on-off valve that is opened during cooling and closed during heating, and 26 is an on-off valve that is closed during cooling and opened and closed during heating. Also, 2
7 is a fan for an outdoor heat exchanger, and 28 is a fan for an indoor heat exchanger.
上記構成において、まず冷房時の作用を説明す
る。冷房時には開閉弁２５は開閉され、開閉弁２
６は閉止される。また、四方切換弁２１は実線で
示される方向に接続されて、室外熱交換器１３は
ランキンサイクルおよびヒートポンプサイクルの
凝縮器として作用し、室内熱交換器１４はヒート
ポンプサイクルの蒸発器として作用する。 In the above configuration, the effect during cooling will be explained first. During cooling, the on-off valve 25 is opened and closed;
6 is closed. Furthermore, the four-way switching valve 21 is connected in the direction shown by the solid line, so that the outdoor heat exchanger 13 acts as a condenser for the Rankine cycle and the heat pump cycle, and the indoor heat exchanger 14 acts as an evaporator for the heat pump cycle.
すなわち、膨張機１８で動力を発生した後に開
閉弁２５を通過した作動流体と、上記動力により
駆動される圧縮機１９で圧縮され吐出されて、四
方切換弁２１を通過した作動流体は合流したのち
室外熱交換器１３に導かれる。ここで室外熱交換
器用フアン２７の作用により放熱し、凝縮液化す
る。そしてこの凝縮液化した作動流体は室外熱交
換器１３を出たのち分流され、その一部はキヤピ
ラリチユーブ２０で蒸発圧力まで減圧されて、室
内熱交換器１４に導かれ、ここで室内熱交換器用
フアン２８により送風される室内空気より吸熱し
て蒸発し、冷房作用を行つたのち、四方切換弁２
１を介して圧縮機１９に吸入される。 That is, the working fluid that has passed through the on-off valve 25 after generating power in the expander 18 and the working fluid that has been compressed and discharged by the compressor 19 driven by the power and has passed through the four-way switching valve 21 are combined. It is guided to the outdoor heat exchanger 13. Here, heat is radiated by the action of the outdoor heat exchanger fan 27, and the heat is condensed and liquefied. After this condensed and liquefied working fluid exits the outdoor heat exchanger 13, it is divided, and a part of it is reduced in pressure to the evaporation pressure in the capillary tube 20 and guided to the indoor heat exchanger 14, where it is used for indoor heat exchange. After absorbing heat from the indoor air blown by the dexterous fan 28 and evaporating it to perform a cooling effect, the four-way switching valve 2
1 to the compressor 19.
一方、分流された残りの液化作動流体は逆止弁
２４を介してポンプ２０に吸入され、昇圧されて
発生器１６へ送られる。ここで加熱源１７により
加熱され温度が上昇し、まず飽和液となり続いて
遂次蒸発して湿り飽和蒸気となり、次いで乾き飽
和蒸気となり多少の過熱蒸気の状態で膨張機１８
に流入し、圧縮機１９を駆動する動力を発生する
のである。 On the other hand, the remaining liquefied working fluid that has been diverted is sucked into the pump 20 via the check valve 24, is pressurized, and is sent to the generator 16. Here, it is heated by the heat source 17 and its temperature rises, and it first becomes a saturated liquid, then successively evaporates to become wet saturated steam, and then becomes dry saturated steam, which is slightly superheated steam and is sent to the expander 18.
This generates the power that drives the compressor 19.
次に、暖房時の作用について説明する。暖房時
には開閉弁２５は閉止され、開閉弁２６は開閉さ
れる。また四方切換弁２１は破線で示される方向
に接続されて、室外熱交換器１３はヒートポンプ
サイクルの蒸発器として作用し、室内熱交換器１
４はヒートポンプサイクルの凝縮器として、補助
室内熱交換器１５はランキンサイクルの凝縮器と
して作用する。 Next, the effect during heating will be explained. During heating, the on-off valve 25 is closed, and the on-off valve 26 is opened and closed. Furthermore, the four-way switching valve 21 is connected in the direction shown by the broken line, so that the outdoor heat exchanger 13 acts as an evaporator of the heat pump cycle, and the indoor heat exchanger 1
4 acts as a condenser of the heat pump cycle, and the auxiliary indoor heat exchanger 15 acts as a condenser of the Rankine cycle.
すなわち膨張機１８で動力を発生した後に開閉
弁２６を通過した作動流体と、上記動力により駆
動される圧縮機１９で圧縮され吐出されて、四方
切換弁２１を通過した作動流体は、それぞれ補助
室内熱交換器１５および室内熱交換器１４に導か
れる。ここで室内熱交換器用フアン２８により送
風される室内空気に放熱して凝縮液化し、暖房作
用を行う。そしてこの凝縮液化した作動流体は、
それぞれ補助室内熱交換器１５および室内熱交換
器１４を出たのち合流して室外側に導かれ、そこ
で分流され、その一部はキヤピラリチユーブ２２
で蒸発圧力まで減圧されて室外熱交換器１３に流
入し、室外熱交換器用フアン２７の作用により、
室外空気より吸熱して蒸発したのち、四方弁２１
を介して圧縮機１９に吸入される。 That is, the working fluid that has passed through the on-off valve 26 after generating power in the expander 18, and the working fluid that has been compressed and discharged by the compressor 19 driven by the power and has passed through the four-way switching valve 21, are respectively placed in the auxiliary chamber. It is guided to heat exchanger 15 and indoor heat exchanger 14. Here, heat is radiated to the indoor air blown by the indoor heat exchanger fan 28, and the indoor air is condensed and liquefied to perform a heating effect. This condensed and liquefied working fluid is
Those exiting the auxiliary indoor heat exchanger 15 and the indoor heat exchanger 14 are joined together and guided to the outside, where they are divided, and a part of the flow flows into the capillary tube 22.
The pressure is reduced to the evaporation pressure and flows into the outdoor heat exchanger 13, and by the action of the outdoor heat exchanger fan 27,
After absorbing heat from the outdoor air and evaporating, the four-way valve 21
The air is sucked into the compressor 19 via.
一方、分流された残りの液化作動流体は、逆止
弁２３を介してポンプ２０に吸入され昇圧され
て、発生器１６へ送られる。ここで加熱源１７に
より加熱され、多少の過熱蒸気の状態で膨張機１
８に流入し、圧縮機１９を駆動する動力を発生す
るのである。以上の実施例においては、暖房時に
室内熱交換器１４および補助室内熱交換器１５の
２つの熱交換器を用いたが、本発明はこれに限ら
ず、一体化された１つの室内熱交換器を用いても
同様の作用・効果を発揮できることは明らかであ
る。 On the other hand, the remaining divided liquefied working fluid is sucked into the pump 20 via the check valve 23, pressurized, and sent to the generator 16. Here, it is heated by the heating source 17, and the expander 1 is heated in a state of somewhat superheated steam.
8 and generates power to drive the compressor 19. In the above embodiment, two heat exchangers, the indoor heat exchanger 14 and the auxiliary indoor heat exchanger 15, were used during heating, but the present invention is not limited to this, and the present invention is not limited to this. It is clear that the same action and effect can be achieved by using .
以上の説明より明らかなように、本発明の空気
調和装置はランキンサイクルとヒートポンプサイ
クルともに共用する室外熱交換器を設け、前記共
用する室外熱交換器、室内熱交換器、発生器、膨
張機、圧縮機、減圧機構等々よりランキンサイク
ルおよびヒートポンプサイクルを構成すると共
に、上記室外熱交換器を冷房時にはランキンサイ
クルおよびヒートポンプサイクルの凝縮器とし
て、暖房時にはヒートポンプサイクルの蒸発器と
して作用させるように構成したものであるから、
暖房時にランキンサイクルの凝縮熱を暖房の熱源
として有効利用する場合にも、室外熱交換器を有
効利用することにより、従来のように設置されて
いる熱交換器を無駄にすることがなくなる。また
冷房時にも上記室外熱交換器は従来のヒートポン
プサイクル用の室外熱交換器とランキンサイクル
用の凝縮器としての２つの機能を１台で行なうた
め、ランキンサイクル駆動の空気調和装置の小
型、低コスト化が図れる。 As is clear from the above description, the air conditioner of the present invention is provided with an outdoor heat exchanger that is shared by both the Rankine cycle and the heat pump cycle, and the shared outdoor heat exchanger, indoor heat exchanger, generator, expander, A compressor, a pressure reduction mechanism, etc. constitute a Rankine cycle and a heat pump cycle, and the outdoor heat exchanger is configured to function as a condenser for the Rankine cycle and heat pump cycle during cooling, and as an evaporator for the heat pump cycle during heating. Because it is,
Even when the condensed heat of the Rankine cycle is effectively used as a heat source for heating during heating, by effectively using the outdoor heat exchanger, the heat exchanger installed in the past is not wasted. Also, during cooling, the outdoor heat exchanger performs two functions in one unit: an outdoor heat exchanger for the conventional heat pump cycle and a condenser for the Rankine cycle. Cost reduction can be achieved.
さらに本発明の空気調和装置では、ランキンサ
イクルの作動流体とヒートポンプサイクルの冷媒
となる作動流体は同一の作動流体を使用すること
ができるため、膨張機と圧縮機の一体化に伴う小
型化、軸シールの簡略化が図れるなど多大な効果
が得られるものである。 Furthermore, in the air conditioner of the present invention, the same working fluid can be used as the working fluid for the Rankine cycle and the working fluid that serves as the refrigerant for the heat pump cycle. This has great effects such as simplifying the seal.
第１図は本発明の一実施例における空気調和装
置の回路構成図、第２図は従来の空気調和装置の
回路構成図である。
１３……室外熱交換器、１４……室内熱交換
器、１５……補助室内熱交換器、１６……発生
器、１８……膨張機、１９……圧縮機。
FIG. 1 is a circuit diagram of an air conditioner according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional air conditioner. 13... Outdoor heat exchanger, 14... Indoor heat exchanger, 15... Auxiliary indoor heat exchanger, 16... Generator, 18... Expander, 19... Compressor.
Claims (1)
れ冷房時開成される開閉弁および四方切換弁を介
して合流接続したのち、室外熱交換器に接続し、
上記室外熱交換器の他方は二方向に分流され、一
方はポンプ、発生器を介して上記膨張機の吸入側
に接続し、他方は絞り装置、室内熱交換器、四方
切換弁を介して上記圧縮機の吸入側に接続すると
共に、膨張機吐出側より暖房時開成される開閉弁
を介して室内熱交換器に接続する回路を設け、ラ
ンキンサイクル駆動のヒートポンプサイクルを構
成した空気調和装置。1. The discharge side of the expander and the discharge side of the compressor are connected together via an on-off valve and a four-way switching valve that are opened during cooling, respectively, and then connected to an outdoor heat exchanger,
The other side of the outdoor heat exchanger is divided into two directions, one is connected to the suction side of the expander through a pump and a generator, and the other is connected to the suction side of the expander through a throttling device, an indoor heat exchanger, and a four-way switching valve. An air conditioner configured with a heat pump cycle driven by a Rankine cycle, with a circuit connected to the suction side of the compressor and connected to the indoor heat exchanger via an on-off valve that is opened during heating from the discharge side of the expander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10214680A JPS5726358A (en) | 1980-07-24 | 1980-07-24 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10214680A JPS5726358A (en) | 1980-07-24 | 1980-07-24 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5726358A JPS5726358A (en) | 1982-02-12 |
| JPS6160350B2 true JPS6160350B2 (en) | 1986-12-20 |
Family
ID=14319601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10214680A Granted JPS5726358A (en) | 1980-07-24 | 1980-07-24 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5726358A (en) |
-
1980
- 1980-07-24 JP JP10214680A patent/JPS5726358A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5726358A (en) | 1982-02-12 |
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