JPS63129253A - Heat pump device - Google Patents
Heat pump deviceInfo
- Publication number
- JPS63129253A JPS63129253A JP27385786A JP27385786A JPS63129253A JP S63129253 A JPS63129253 A JP S63129253A JP 27385786 A JP27385786 A JP 27385786A JP 27385786 A JP27385786 A JP 27385786A JP S63129253 A JPS63129253 A JP S63129253A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- heat exchanger
- gas
- way valve
- compressor
- 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
- 239000003507 refrigerant Substances 0.000 claims description 60
- 239000007788 liquid Substances 0.000 claims description 21
- 238000009835 boiling Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 14
- 238000001816 cooling Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は非共沸混合冷媒を用いて、冷暖房時の能力調節
を行う空気調和機等のヒートポンプ装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a heat pump device such as an air conditioner that uses a non-azeotropic mixed refrigerant to adjust the capacity during heating and cooling.
一般に空気調和機に要求される能力は、冷房時に比べ暖
房時の方ば大でおる。Generally, the capacity required of an air conditioner is greater for heating than for cooling.
一方、非共沸混合冷媒を用いた空気調和機は。On the other hand, air conditioners using non-azeotropic mixed refrigerants.
サイクル内を循環する冷媒濃度を変えることにより能力
を可変することができる。すなわち、循環する混合冷媒
か低沸点冷媒濃度か高い場合には能力は高く、逆に高沸
点冷媒濃度が高い場合には能力が低くなる。Capacity can be varied by varying the concentration of refrigerant circulating within the cycle. That is, when the concentration of the circulating mixed refrigerant or the low boiling point refrigerant is high, the capacity is high, and conversely, when the concentration of the high boiling point refrigerant is high, the capacity is low.
そこで、このような非共沸混合冷媒の容量制御特性を利
用した空調機は１例えば特開昭５７−１９８９６８号公
報に記載されている。第２図にはこの従来例の概略構成
図を示している。Therefore, an air conditioner that utilizes the capacity control characteristics of such a non-azeotropic mixed refrigerant is described in, for example, Japanese Patent Laid-Open No. 198968/1983. FIG. 2 shows a schematic configuration diagram of this conventional example.
第２図において１は圧縮機、２は室内側熱交換器、３は
室外側熱交換器、４ｉｄ、四方弁、５と６は絞り装置、
７は気液分離器、８．９は熱交換器である。In Fig. 2, 1 is a compressor, 2 is an indoor heat exchanger, 3 is an outdoor heat exchanger, 4id is a four-way valve, 5 and 6 are throttle devices,
7 is a gas-liquid separator, and 8.9 is a heat exchanger.
暖房時と冷房時に、冷媒は＠２図中の実線矢印及び破線
矢印の方向へ循環する。気液分離器７は気中に、逆に蒸
発し難い高沸点冷媒は液中に濃縮される。During heating and cooling, the refrigerant circulates in the directions of the solid and broken arrows in Figure @2. The gas-liquid separator 7 concentrates the refrigerant into air, and conversely, the high-boiling refrigerant that is difficult to evaporate is concentrated into liquid.
暖房時には、熱交換器８と９はそれぞれ高温および低温
であるため、熱交換器８内は空でアシ。During heating, the heat exchangers 8 and 9 are at high and low temperatures, respectively, so the inside of the heat exchanger 8 is empty.
又熱交換器９内には高沸点冷媒の濃度の高い液が溜まる
。また冷房時には熱交換器８と９はそれぞれ低温および
高温でおる。このため熱交換器８内には低沸点冷媒の濃
度の高い蒸気か凝縮して溜まシ、熱交換器９内には液が
溜まらない。In addition, a liquid with a high concentration of high boiling point refrigerant accumulates in the heat exchanger 9. Also, during cooling, the heat exchangers 8 and 9 are at low and high temperatures, respectively. Therefore, the high concentration vapor of the low boiling point refrigerant condenses and accumulates in the heat exchanger 8, and no liquid accumulates in the heat exchanger 9.
従って、サイクルを循環する冷媒は暖房時には低沸点冷
媒濃度が高く、冷房時にＬ高洲点冷媒濃度か高くなる。Therefore, the refrigerant circulating in the cycle has a high concentration of low boiling point refrigerant during heating, and a high concentration of L high point refrigerant during cooling.
その結果として能力は暖房時に高く、冷房時には低くな
り冷暖房時の能力調節を行うことができる。As a result, the capacity is high during heating and low during cooling, making it possible to adjust the capacity during cooling and heating.
上記の従来例では以下の問題が生じていた。 The above conventional example had the following problems.
（１）冷房と暖房の間で容量制御は可能であるが、冷房
モードの間でも熱負荷の変動に対応するための容量制御
が出来ない。又、＠房モード中に。(1) Capacity control is possible between cooling and heating, but capacity control to accommodate changes in heat load is not possible even during cooling mode. Also, while in @fusa mode.
熱負荷の変動に対応するための容量制御ができない。Capacity cannot be controlled to respond to changes in heat load.
（２）従来例では、高沸点冷媒が多く循環する冷房時と
低沸点冷媒が多く循環する暖房時では、冷媒循環量や、
冷媒の特性が異なるにも拘わらず同一の絞り装置５，６
で対応している。更に、絞り装置５，６によって、気液
分離器７内でガス相と液相が存在するように制御してや
ることは、上記冷媒循環量が大きく変動することも加え
て非常に困難であつた。(2) In the conventional example, during cooling when a large amount of high boiling point refrigerant is circulated and during heating when a large amount of low boiling point refrigerant is circulated,
The same throttling device 5, 6 despite the different characteristics of the refrigerant
It is supported by Furthermore, it is extremely difficult to control the gas-liquid separator 7 so that a gas phase and a liquid phase exist using the throttling devices 5 and 6, since the amount of refrigerant circulated varies greatly.
本発明は上記従来の問題点を解消し、冷媒流量制御と同
時に気液分離を確実に行なうことができると＼もに、暖
房および冷房運転時にも能力可変ができるヒートポンプ
装置を提供することを目的とする。It is an object of the present invention to solve the above-mentioned conventional problems and provide a heat pump device that can reliably perform gas-liquid separation at the same time as refrigerant flow rate control, and can also change capacity during heating and cooling operations. shall be.
本発明によるヒートポンプ装置は、圧縮機、四方弁、室
内側熱交換器、絞り装置、および室外側熱交換器を順次
接続すると共に非共済混合冷媒を用いてなるヒートポン
プ装置において、前記絞υ装置と並列に、絞り装置、気
液分離器および絞多装置を１＠次接続した回路を設け、
前記気液分離器の上部と、前記四方弁と圧縮機間の吸入
配管と熱交換可能に設置された冷媒貯蔵容器とを開閉弁
を有する回路で接続すると共に前記冷媒貯蔵容器と前記
吸入配管とを開閉弁を有する回路で接続したことを特徴
とし、冷媒流量制御用絞り装置と気液分離器用の絞り装
置を別々に設け、これらを並列に配置し、また気液分離
器内のガス相の低沸点成分を多く含んだ冷媒を、圧縮機
の吸入口と四方弁の間の配管と熱交換可能な冷媒貯蔵容
器内へ導き、さらに該容器を圧縮機の吸入管とも連結し
。The heat pump device according to the present invention includes a compressor, a four-way valve, an indoor heat exchanger, a throttling device, and an outdoor heat exchanger connected in sequence, and uses a non-mutual mixed refrigerant. A circuit is provided in which a throttling device, a gas-liquid separator, and a throttling device are connected in parallel.
The upper part of the gas-liquid separator is connected to a suction pipe between the four-way valve and the compressor, and a refrigerant storage container installed to enable heat exchange through a circuit having an on-off valve, and the refrigerant storage container and the suction pipe are connected to each other by a circuit having an on-off valve. It is characterized in that it is connected by a circuit having an on-off valve, and a throttling device for controlling the refrigerant flow rate and a throttling device for the gas-liquid separator are provided separately, and these are arranged in parallel. A refrigerant containing a large amount of low boiling point components is introduced into a refrigerant storage container that can exchange heat with the pipe between the compressor suction port and the four-way valve, and the container is also connected to the compressor suction pipe.
これらの連結回路に２方弁を設置し、冷媒貯蔵容器中に
心太に応じて選択的に冷媒貯蔵を可能としたものである
。Two-way valves are installed in these connection circuits to enable selective storage of refrigerant in the refrigerant storage container depending on core thickness.
本発明は上記構成を備えているため、冷媒流量制御用の
絞り装置と、気液分離用の絞り装置とを分離したので、
混合冷媒の組成か変動し容量制御で冷媒流量変動か生じ
ても確実に本機能を果すことができ、冷媒貯蔵容器中に
、低沸点成分を多く含んだ冷媒を、２方弁の作用によシ
選択的に貯蔵したシ又は空にすることが出来るようにな
り。Since the present invention has the above configuration, the throttling device for controlling the refrigerant flow rate and the throttling device for gas-liquid separation are separated.
This function can be reliably performed even if the composition of the mixed refrigerant fluctuates and the refrigerant flow rate fluctuates due to capacity control, and the refrigerant containing a large amount of low-boiling components can be transferred into the refrigerant storage container by the action of the two-way valve. You can now selectively store or empty your storage.
このため冷房そ−ド中だけ又は暖房モード中だけでもそ
れぞれサイクル中を循環する冷媒の組成を変え能力の制
御が可能となった。For this reason, it has become possible to control the capacity by changing the composition of the refrigerant circulating in the cycle only during the cooling mode or only during the heating mode.
第１図は本発明の一実施例のヒートポンプ冷凍装置の冷
媒系統図である。FIG. 1 is a refrigerant system diagram of a heat pump refrigeration system according to an embodiment of the present invention.
第１図において、１は圧縮機、２は室内側熱交換器、３
は室外側熱交換器、４は四方弁％ ５．舊は絞り装置、
７は気液分離器、１０は圧縮機１の吸込口と四方弁４の
間の配管に設けた熱交換器、１１．１２は２方弁、１３
は冷媒絞り装置、１４は冷媒貯蔵容器を示す。In Fig. 1, 1 is a compressor, 2 is an indoor heat exchanger, and 3 is a compressor.
is an outdoor heat exchanger, 4 is a four-way valve%5. The neck is a squeezing device,
7 is a gas-liquid separator, 10 is a heat exchanger installed in the pipe between the suction port of the compressor 1 and the four-way valve 4, 11.12 is a two-way valve, 13
14 represents a refrigerant expansion device and a refrigerant storage container.
なお１本実施例のヒートポンプ装置には、非共沸混合冷
媒が充填され、例えば低沸点冷媒としてＲ１３Ｂ１ 、
高沸点冷媒としてＲ２２が用いられている。また本実施
例の暖房運転時には冷媒の流れは第１図中の実線で示さ
れている。Note that the heat pump device of this embodiment is filled with a non-azeotropic mixed refrigerant, such as R13B1 as a low boiling point refrigerant,
R22 is used as a high boiling point refrigerant. Further, during the heating operation of this embodiment, the flow of the refrigerant is shown by a solid line in FIG.
第１図に示す本発明の一実施例の作用について説明する
。The operation of the embodiment of the present invention shown in FIG. 1 will be explained.
圧縮機１を吐出した冷媒は四方弁４を通り、室内側熱交
換器２に入る。ここで凝縮液化した冷媒の、主流は、冷
媒絞り装（ｉ！ｅ１３を介して室外側熱交換器３に流れ
ると共に、一部は絞り装置５、気液分離器７．絞９装置
６を経て室外側熱交換器３に流れる。室外側熱交換器３
内では混合冷媒は蒸発気化し、四方弁４．熱交換器１０
を経て圧縮機１に吸込まれる。The refrigerant discharged from the compressor 1 passes through the four-way valve 4 and enters the indoor heat exchanger 2. The main stream of the refrigerant condensed and liquefied here flows to the outdoor heat exchanger 3 via the refrigerant throttling device (i!e13), and a portion also passes through the throttling device 5, gas-liquid separator 7, and throttling device 6. Flows to the outdoor heat exchanger 3.Outdoor heat exchanger 3
The mixed refrigerant evaporates inside the four-way valve 4. heat exchanger 10
and is sucked into the compressor 1.
気液分離器７は絞り装置５と絞９装置６の作用で中間圧
に保持され、内部には蒸気と液か存在し。The gas-liquid separator 7 is maintained at an intermediate pressure by the action of the throttle device 5 and the throttle device 6, and vapor and liquid exist inside.
蒸発し易い低沸点冷媒（Ｒ１３Ｂ１）は蒸気中に、逆に
蒸発し難い高沸点冷媒（Ｒ２２）は液中に濃縮される。The low-boiling refrigerant (R13B1), which is easily evaporated, is concentrated into vapor, and the high-boiling refrigerant (R22), which is difficult to evaporate, is concentrated into liquid.
このときに２万弁１ノが開、２方弁１２が閉の状態にあ
るときには冷媒貯蔵容器１４内は、熱交換器１０により
冷却されているので低沸点冷媒（Ｒ１３Ｂ１） の濃
度の高い蒸気が、この内部で凝縮する。このためサイク
ル中には高沸点冷媒（Ｒ２２）の濃度の高い冷媒が流れ
、暖房能力は容量制御される。At this time, when the 2-way valve 1 is open and the 2-way valve 12 is closed, the inside of the refrigerant storage container 14 is cooled by the heat exchanger 10, so the vapor with a high concentration of low boiling point refrigerant (R13B1) is generated. is condensed inside this. For this reason, a refrigerant with a high concentration of high boiling point refrigerant (R22) flows during the cycle, and the heating capacity is controlled by capacity.
本発明においては次の如き優れた効果が奏せられる。 The present invention provides the following excellent effects.
（１）サイクル中を流れる冷媒組成が大きく変っても、
冷媒流量制御用の絞り装置と気液分離用の絞υ装置とを
分離したので流量制御と同時に気液分離を確実に行なう
ことができる。(1) Even if the composition of the refrigerant flowing through the cycle changes significantly,
Since the throttling device for controlling the refrigerant flow rate and the throttling device for gas-liquid separation are separated, gas-liquid separation can be reliably performed at the same time as flow rate control.
（２）暖房運転時にも、また冷房運転時にも能力可変が
できる。(2) Capacity can be varied both during heating operation and during cooling operation.
第１図は本発明の一実施例のヒートポンプ冷凍装置の冷
媒系統図、第２図は従来のヒートポンプ冷凍装置の冷媒
系統図である。
１・・・圧縮機、５，６・・・絞り装置、７・・・気液
分離器、７０・・・熱交換器、１１，１２・・・２方弁
、１３・・・冷媒絞９装置、１４・・・冷媒貯蔵容器。FIG. 1 is a refrigerant system diagram of a heat pump refrigeration system according to an embodiment of the present invention, and FIG. 2 is a refrigerant system diagram of a conventional heat pump refrigeration system. DESCRIPTION OF SYMBOLS 1... Compressor, 5, 6... Throttle device, 7... Gas-liquid separator, 70... Heat exchanger, 11, 12... 2-way valve, 13... Refrigerant throttle 9 Device, 14... Refrigerant storage container.
Claims (1)
外側熱交換器を順次接続すると共に非共沸混合冷媒を用
いてなるヒートポンプ装置において、前記絞り装置と並
列に、絞り装置、気液分離器および絞り装置を順次接続
した回路を設け、前記気液分離器の上部と、前記四方弁
と圧縮機間の吸入配管と熱交換可能に設置された冷媒貯
蔵容器とを開閉弁を有する回路で接続すると共に前記冷
媒貯蔵容器と前記吸入配管とを開閉弁を有する回路で接
続したことを特徴とするヒートポンプ装置。In a heat pump device in which a compressor, a four-way valve, an indoor heat exchanger, a throttle device, and an outdoor heat exchanger are connected in sequence and a non-azeotropic mixed refrigerant is used, a throttle device, a gas A circuit is provided in which a liquid separator and a throttling device are sequentially connected, and an opening/closing valve is provided between the upper part of the gas-liquid separator and a refrigerant storage container installed to enable heat exchange with the suction pipe between the four-way valve and the compressor. A heat pump device characterized in that the refrigerant storage container and the suction pipe are connected by a circuit and connected by a circuit having an on-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27385786A JPS63129253A (en) | 1986-11-19 | 1986-11-19 | Heat pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27385786A JPS63129253A (en) | 1986-11-19 | 1986-11-19 | Heat pump device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63129253A true JPS63129253A (en) | 1988-06-01 |
Family
ID=17533520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27385786A Pending JPS63129253A (en) | 1986-11-19 | 1986-11-19 | Heat pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63129253A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5062275A (en) * | 1989-03-09 | 1991-11-05 | Nippondenso Co., Ltd. | Automotive air conditioner |
| WO2018025900A1 (en) * | 2016-08-04 | 2018-02-08 | 三菱重工サーマルシステムズ株式会社 | Refrigeration device and control method therefor |
-
1986
- 1986-11-19 JP JP27385786A patent/JPS63129253A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5062275A (en) * | 1989-03-09 | 1991-11-05 | Nippondenso Co., Ltd. | Automotive air conditioner |
| WO2018025900A1 (en) * | 2016-08-04 | 2018-02-08 | 三菱重工サーマルシステムズ株式会社 | Refrigeration device and control method therefor |
| JP2018021721A (en) * | 2016-08-04 | 2018-02-08 | 三菱重工サーマルシステムズ株式会社 | Freezer and its control method |
| EP3462108A4 (en) * | 2016-08-04 | 2019-05-22 | Mitsubishi Heavy Industries Thermal Systems, Ltd. | Refrigeration device and control method therefor |
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