JPS6387557A - Heat pump - Google Patents
Heat pumpInfo
- Publication number
- JPS6387557A JPS6387557A JP23122086A JP23122086A JPS6387557A JP S6387557 A JPS6387557 A JP S6387557A JP 23122086 A JP23122086 A JP 23122086A JP 23122086 A JP23122086 A JP 23122086A JP S6387557 A JPS6387557 A JP S6387557A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- heat pump
- evaporator
- compressor
- path
- 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
- 239000003507 refrigerant Substances 0.000 claims description 90
- 239000007788 liquid Substances 0.000 claims description 18
- 238000001704 evaporation Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 238000009835 boiling Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Central Heating Systems (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (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) [Abstract] 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たヒートポンプに関す
るものである。なお、本明細書においては「ヒートポン
プ」にいわゆる「冷凍機」も含むものとする。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a heat pump using a non-azeotropic mixed refrigerant. In addition, in this specification, the so-called "refrigerator" is also included in the term "heat pump."
近年、省エネルギの観点から、冷暖房装置その他にヒー
トポンプが多く賞月されるようになり、特に、その作動
冷媒として非共沸混合冷媒を用いたものが注目されてい
る。In recent years, from the viewpoint of energy saving, heat pumps have been increasingly used in air-conditioning and heating systems, and in particular, heat pumps using non-azeotropic mixed refrigerants as their operating refrigerants are attracting attention.
しかしながら、非共沸混合冷媒を、従来のヒートポンプ
にそのまま適用すると、蒸発器内において高沸点系冷媒
に冨んだ液が滞留して伝熱を阻害するので、熱交換性能
が単一の冷媒を用いた場合に比べて劣化する、という問
題点があった。However, if a non-azeotropic mixed refrigerant is applied directly to a conventional heat pump, a liquid rich in high-boiling refrigerants will remain in the evaporator and inhibit heat transfer, resulting in heat exchange performance that is lower than that of a single refrigerant. There was a problem in that it deteriorated compared to when it was used.
本発明は、上記の問題点を解決し、非共沸混合冷媒を用
いながらも熱交換性能が劣化することのないヒートポン
プを提供することを目的とする。An object of the present invention is to solve the above-mentioned problems and provide a heat pump in which heat exchange performance does not deteriorate even though a non-azeotropic mixed refrigerant is used.
本発明は、上記の問題点を解決するための手段として、
圧縮機、凝縮器、蒸発器、減圧機構を備え、これらの機
器を冷媒経路で接続して冷媒循環流路を形成し、冷媒と
して非共沸混合冷媒を用いるヒートポンプにおいて、前
記蒸発器内の未蒸発液冷媒を、前記蒸発器以外の、前記
ヒートポンプの一部であって蒸発作用を行う蒸発作用部
分に導き蒸発せしめ、該蒸発冷媒を前記冷媒循環流路の
一部に導くことにしたことを特徴とするヒートポンプを
提供せんとするものである。The present invention, as a means for solving the above problems,
In a heat pump that includes a compressor, a condenser, an evaporator, and a pressure reduction mechanism, these devices are connected by a refrigerant path to form a refrigerant circulation flow path, and uses a non-azeotropic mixed refrigerant as the refrigerant. The evaporated liquid refrigerant is led to an evaporation action part that is a part of the heat pump other than the evaporator and performs an evaporation action, and the evaporated refrigerant is led to a part of the refrigerant circulation flow path. The purpose of this invention is to provide a heat pump with the following characteristics.
本発明の実施例につき図面を用いて説明する。 Embodiments of the present invention will be described with reference to the drawings.
第１図において、１は圧縮機、２は凝縮器、３は蒸発器
、４は減圧機構であり、これらの機器の間を冷媒経路５
，６，７．８が接続し、各機器と共に冷媒循環流路を形
成している。暖房用の温水などを製造する場合は、９は
負荷流体配管、１゜は熱源水配管である。In Fig. 1, 1 is a compressor, 2 is a condenser, 3 is an evaporator, and 4 is a pressure reduction mechanism, and a refrigerant path 5 is connected between these devices.
, 6, 7.8 are connected to form a refrigerant circulation channel together with each device. When producing hot water for heating, etc., 9 is a load fluid pipe and 1° is a heat source water pipe.
蒸発器３の下記の、高沸点系冷媒に冨んだ冷媒液が滞留
する部分に冷媒経路１１が接続されて、該液の一部をポ
ンプ１２にて昇圧し、冷媒経路１３゜１４．１５を経て
、圧縮機１の吐出冷媒ガスを冷却するため圧縮機１の内
部（中間圧部分）或いは出口付近（高圧部分）に開口す
る液噴霧機構１６或いは１７より噴射され、蒸発して冷
媒循環流路に合流する。この場合、液噴霧機構１６或い
は１７が高沸点系冷媒に冨んだ冷媒液を蒸発せしめる蒸
発作用部分として作用する。A refrigerant path 11 is connected to the following part of the evaporator 3 where a refrigerant liquid rich in high boiling point refrigerant accumulates, and a part of the liquid is pressurized by a pump 12, and the refrigerant path 13° 14.15 The refrigerant gas discharged from the compressor 1 is injected from a liquid spraying mechanism 16 or 17 that opens inside the compressor 1 (intermediate pressure part) or near the outlet (high pressure part), evaporates, and becomes a refrigerant circulating flow. join the road. In this case, the liquid spray mechanism 16 or 17 acts as an evaporating part that evaporates the refrigerant liquid that is rich in the high boiling point refrigerant.
このようなヒートポンプを運転した場合、蒸発器３にお
いて、第２図に示す冷媒経路１１が接続するノズルの付
近に停留し易い高沸点系冷媒に冨む冷媒液がポンプ１２
に吸引されて除去されるので、蒸発器３内における伝熱
性能は劣化することなく良好に保たれる。ポンプ１２に
より昇圧された高沸点系冷媒に冨む冷媒液は液噴霧機構
１６或いは１７から噴射され蒸発して冷媒ガスとなり、
蒸発熱により吐出ガスを冷却しながら混入し、冷媒循環
流路に合流して循環する。When such a heat pump is operated, in the evaporator 3, the refrigerant liquid rich in high boiling point refrigerant that tends to stay near the nozzle to which the refrigerant path 11 shown in FIG.
The heat transfer performance within the evaporator 3 is maintained at a good level without deterioration. The refrigerant liquid contained in the high boiling point refrigerant pressurized by the pump 12 is injected from the liquid spray mechanism 16 or 17 and evaporated to become refrigerant gas.
The discharged gas is mixed while being cooled by the heat of evaporation, joins the refrigerant circulation flow path, and is circulated.
このとき、吐出ガス冷却作用により、特に高温度ヒート
ポンプの如く、圧縮機１の出口における冷媒ガスの温度
がその冷媒の使用限界を越え、分解が起こるような場合
に、冷媒ガスが冷却され、冷媒の安定性を確保すること
ができる。At this time, the discharge gas cooling effect cools the refrigerant gas, especially when the temperature of the refrigerant gas at the outlet of the compressor 1 exceeds the usage limit of the refrigerant and decomposition occurs, such as in a high temperature heat pump. stability can be ensured.
圧縮機ｌとしては遠心式、往復動式、スクリュー式、ル
ーツ式など、種々の形式の圧縮機が用いられる。As the compressor l, various types of compressors are used, such as a centrifugal type, a reciprocating type, a screw type, and a Roots type.
蒸発作用部分としては、蒸発器３から凝縮器２までの間
の冷媒循環流路の気相部であればどこでもよく、単数で
も複数でもよく、複数の場合、蒸発器３からそれぞれ別
の冷媒経路で導いてもよい。The evaporation action part may be anywhere as long as it is the gas phase part of the refrigerant circulation flow path between the evaporator 3 and the condenser 2, and may be singular or plural. If there are multiple parts, each part may be connected to a separate refrigerant path from the evaporator 3 to the condenser 2. You can also guide it by
第３図は別の実施例であり、電動機１８が冷媒冷却方式
となっており、高沸点系冷媒に冨む冷媒液は冷媒経路１
９を経てポンプ１２により昇圧され、冷媒経路２０を経
て電動機１８のケーシング内に入り、蒸発してケーシン
グ内部を冷却し、蒸発した冷媒ガスは冷媒経路２１を経
て蒸発器３に戻り、冷媒循環流路に合流して蒸発器３に
おいて蒸発した冷媒ガスと共に圧縮機１に吸い込まれて
循環する。FIG. 3 shows another embodiment in which the electric motor 18 is of a refrigerant cooling type, and the refrigerant liquid rich in high boiling point refrigerant flows through the refrigerant path 1.
9 and is pressurized by the pump 12, enters the casing of the electric motor 18 through the refrigerant path 20, evaporates and cools the inside of the casing, and the evaporated refrigerant gas returns to the evaporator 3 through the refrigerant path 21, creating a refrigerant circulation flow. The refrigerant gas is evaporated in the evaporator 3 and sucked into the compressor 1 for circulation.
この場合、電動機１８のケーシング内が蒸発作用部分の
作用を行う。In this case, the inside of the casing of the electric motor 18 acts as an evaporative part.
第４図は別の実施例であり、圧縮機１の軸受２２の潤滑
油をポンプ２３によりオイルクーラ２４に循環するよう
にしたものである。高沸点系冷媒に冨む液冷媒は冷媒経
路２５を経てポンプ１２により昇圧され、冷媒経路２６
を経てオイルクーラ内に入り、蒸発して潤滑油を冷却し
、蒸発した冷媒ガスは冷媒経路２７を経て冷媒経路８に
混入して冷媒循環流路に合流して圧縮機１に吸い込まれ
て循環する。FIG. 4 shows another embodiment in which the lubricating oil in the bearing 22 of the compressor 1 is circulated to an oil cooler 24 by a pump 23. The liquid refrigerant enriched in the high boiling point refrigerant passes through the refrigerant path 25, is pressurized by the pump 12, and then enters the refrigerant path 26.
The evaporated refrigerant gas enters the oil cooler and evaporates to cool the lubricating oil.The evaporated refrigerant gas passes through the refrigerant path 27, mixes into the refrigerant path 8, joins the refrigerant circulation flow path, and is sucked into the compressor 1 for circulation. do.
この場合、オイルクーラ２４が蒸発作用部分の作用を行
う。In this case, the oil cooler 24 performs the function of the evaporation function.
以上の各々の実施例において、ポンプ１２で昇圧せしめ
て送る代わりに、ヒートポンプサイクル内の吐出圧力又
は凝縮圧力の冷媒を利用したエジェクタを用いてもよい
。また、第３図、第４図の例で蒸発作用部分で蒸発した
冷媒を圧縮ａ１の吸込口側に送るとき、圧縮機１の吸込
側の冷媒通路８の一部を絞り、その絞り部分に冷媒通路
２１又は２６を接続する方法、冷媒通路を毛細管として
毛細管現象を利用して送る方法、蒸発器３を圧縮機１よ
り高い所に置いて重力を利用して送る方法、などが用い
られる。In each of the above embodiments, instead of raising the pressure with the pump 12 and sending the refrigerant, an ejector may be used that uses the refrigerant at the discharge pressure or condensation pressure in the heat pump cycle. In addition, when sending the refrigerant evaporated in the evaporating portion to the suction port side of the compressor a1 in the example of FIGS. 3 and 4, a part of the refrigerant passage 8 on the suction side of the compressor 1 is throttled, and the A method of connecting the refrigerant passages 21 or 26, a method of using the refrigerant passage as a capillary tube to send the refrigerant using capillary phenomenon, a method of placing the evaporator 3 higher than the compressor 1 and using gravity to send the refrigerant, and the like are used.
以上の説明は単段圧縮機を用いたものに対するものであ
るが、多段圧縮機を用いる場合でも同様に構成され作用
する。Although the above description has been made with respect to a system using a single-stage compressor, the structure and operation are the same even when a multi-stage compressor is used.
本発明により、蒸発器内の高沸点系冷媒に冨んだ冷媒液
は取り除かれるので、蒸発器内に滞留することなく、熱
交換性能は劣化せず良好に保つことができ、また、サイ
クル内での混合冷媒の成分が変化せず安定した、非共沸
混合冷媒を用いたヒートポンプを提供することができ、
実用上極めて大なる効果を奏する。According to the present invention, the refrigerant liquid rich in high boiling point refrigerant in the evaporator is removed, so it does not remain in the evaporator and the heat exchange performance can be maintained at a good level without deteriorating. It is possible to provide a heat pump using a non-azeotropic mixed refrigerant in which the components of the mixed refrigerant do not change and are stable.
It has a great practical effect.
図面は本発明の実施例に関するもので、第１図はフロー
図、第２図は蒸発器の説明図、第３図と第４図は別の実
施例のフロー図である。
１・・・圧縮機、２・・・凝縮器、３・・・蒸発器、４
・・・減圧機構、５・・・冷媒経路、６・・・冷媒経路
、７・・・冷媒経路、８・・・冷媒経路、９・・・負荷
流体配管、１０・・・熱源水配管、１１・・・冷媒経路
、１２・・・ポンプ、１３・・・冷媒経路、１４・・・
冷媒経路、１５・・・冷媒経路、１６・・・液噴霧機構
、１７・・・液噴霧機構、１８・・・電動機、１９・・
・冷媒経路、２０・・・冷媒経路、２１・・・冷媒経路
、２２・・・軸受、２３・・・ポンプ、２４・・・オイ
ルクーラ、２５・・・冷媒経路、２６・・・冷媒経路、
２７・・・冷媒経路。The drawings relate to an embodiment of the present invention; FIG. 1 is a flow diagram, FIG. 2 is an explanatory diagram of an evaporator, and FIGS. 3 and 4 are flow diagrams of another embodiment. 1... Compressor, 2... Condenser, 3... Evaporator, 4
... Pressure reduction mechanism, 5... Refrigerant path, 6... Refrigerant path, 7... Refrigerant path, 8... Refrigerant path, 9... Load fluid piping, 10... Heat source water piping, 11... Refrigerant path, 12... Pump, 13... Refrigerant path, 14...
Refrigerant path, 15... Refrigerant path, 16... Liquid spray mechanism, 17... Liquid spray mechanism, 18... Electric motor, 19...
- Refrigerant path, 20... Refrigerant path, 21... Refrigerant path, 22... Bearing, 23... Pump, 24... Oil cooler, 25... Refrigerant path, 26... Refrigerant path ,
27... Refrigerant path.
Claims (5)
らの機器を冷媒経路で接続して冷媒循環流路を形成し、
冷媒として非共沸混合冷媒を用いるヒートポンプにおい
て、前記蒸発器内の未蒸発液冷媒を、前記蒸発器以外の
、前記ヒートポンプの一部であって蒸発作用を行う蒸発
作用部分に導き蒸発せしめ、該蒸発冷媒を前記冷媒循環
流路の一部に導くことにしたことを特徴とするヒートポ
ンプ。(1) It is equipped with a compressor, a condenser, an evaporator, and a pressure reduction mechanism, and these devices are connected by a refrigerant path to form a refrigerant circulation flow path,
In a heat pump that uses a non-azeotropic mixed refrigerant as a refrigerant, the unevaporated liquid refrigerant in the evaporator is led to an evaporation action part that is a part of the heat pump other than the evaporator and performs an evaporation action, and is evaporated. A heat pump characterized in that evaporative refrigerant is introduced into a part of the refrigerant circulation flow path.
作用部分に導くようにした特許請求の範囲第１項記載の
ヒートポンプ。(2) The heat pump according to claim 1, wherein unevaporated liquid refrigerant in the evaporator is pressurized and guided to the evaporation action section.
ーシング内である特許請求の範囲第１項又は第２項記載
のヒートポンプ。(3) The heat pump according to claim 1 or 2, wherein the evaporation action portion is within a casing of an electric motor that cools the refrigerant.
油のオイルクーラである特許請求の範囲第１項又は第２
項記載のヒートポンプ。(4) Claim 1 or 2, wherein the evaporation action part is an oil cooler for compressor lubricating oil that is cooled with a refrigerant.
Heat pump as described in section.
却するための液噴霧機構である特許請求の範囲第１項又
は第２項記載のヒートポンプ。(5) The heat pump according to claim 1 or 2, wherein the evaporation action part is a liquid spraying mechanism for cooling discharge gas of the compressor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61231220A JPH0641820B2 (en) | 1986-10-01 | 1986-10-01 | heat pump |
| US07/103,523 US4843837A (en) | 1986-02-25 | 1987-09-29 | Heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61231220A JPH0641820B2 (en) | 1986-10-01 | 1986-10-01 | heat pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6387557A true JPS6387557A (en) | 1988-04-18 |
| JPH0641820B2 JPH0641820B2 (en) | 1994-06-01 |
Family
ID=16920201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61231220A Expired - Fee Related JPH0641820B2 (en) | 1986-02-25 | 1986-10-01 | heat pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0641820B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63286666A (en) * | 1987-05-19 | 1988-11-24 | 工業技術院長 | Heat pump |
| JPH02219961A (en) * | 1989-02-20 | 1990-09-03 | Daikin Ind Ltd | Turbo freezer |
| JP2012177543A (en) * | 2012-06-18 | 2012-09-13 | Sasakura Engineering Co Ltd | Evaporation type air conditioning device |
| WO2012144182A1 (en) * | 2011-04-20 | 2012-10-26 | 東京電力株式会社 | Condensing device |
| CN104949369A (en) * | 2014-03-31 | 2015-09-30 | 荏原冷热系统株式会社 | Turbine refrigerator |
| JP2019027628A (en) * | 2017-07-27 | 2019-02-21 | パナソニックＩｐマネジメント株式会社 | Refrigeration cycle device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434407U (en) * | 1977-08-12 | 1979-03-06 | ||
| JPS55118554A (en) * | 1979-03-07 | 1980-09-11 | Hitachi Ltd | Cooler for electric motor of refrigerating machine |
| JPS61159053A (en) * | 1984-12-28 | 1986-07-18 | 株式会社荏原製作所 | Heat pump |
| JPS61197959A (en) * | 1985-02-28 | 1986-09-02 | 三菱電機株式会社 | Refrigerator |
-
1986
- 1986-10-01 JP JP61231220A patent/JPH0641820B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434407U (en) * | 1977-08-12 | 1979-03-06 | ||
| JPS55118554A (en) * | 1979-03-07 | 1980-09-11 | Hitachi Ltd | Cooler for electric motor of refrigerating machine |
| JPS61159053A (en) * | 1984-12-28 | 1986-07-18 | 株式会社荏原製作所 | Heat pump |
| JPS61197959A (en) * | 1985-02-28 | 1986-09-02 | 三菱電機株式会社 | Refrigerator |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63286666A (en) * | 1987-05-19 | 1988-11-24 | 工業技術院長 | Heat pump |
| JPH02219961A (en) * | 1989-02-20 | 1990-09-03 | Daikin Ind Ltd | Turbo freezer |
| WO2012144182A1 (en) * | 2011-04-20 | 2012-10-26 | 東京電力株式会社 | Condensing device |
| CN103518106A (en) * | 2011-04-20 | 2014-01-15 | 东京电力株式会社 | Condensing device |
| CN103518106B (en) * | 2011-04-20 | 2016-10-05 | 东京电力株式会社 | Condensing unit |
| US9625191B2 (en) | 2011-04-20 | 2017-04-18 | Tokyo Electric Power Company, Incorporated | Condensing apparatus |
| JP2012177543A (en) * | 2012-06-18 | 2012-09-13 | Sasakura Engineering Co Ltd | Evaporation type air conditioning device |
| CN104949369A (en) * | 2014-03-31 | 2015-09-30 | 荏原冷热系统株式会社 | Turbine refrigerator |
| JP2015194300A (en) * | 2014-03-31 | 2015-11-05 | 荏原冷熱システム株式会社 | turbo refrigerator |
| JP2019027628A (en) * | 2017-07-27 | 2019-02-21 | パナソニックＩｐマネジメント株式会社 | Refrigeration cycle device |
| EP3434999B1 (en) * | 2017-07-27 | 2023-11-08 | Panasonic Intellectual Property Management Co., Ltd. | Refrigeration cycle apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0641820B2 (en) | 1994-06-01 |
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