WO2012161456A2 - Système de pompe à chaleur - Google Patents

Système de pompe à chaleur Download PDF

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Publication number
WO2012161456A2
WO2012161456A2 PCT/KR2012/003820 KR2012003820W WO2012161456A2 WO 2012161456 A2 WO2012161456 A2 WO 2012161456A2 KR 2012003820 W KR2012003820 W KR 2012003820W WO 2012161456 A2 WO2012161456 A2 WO 2012161456A2
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
heat
way valve
refrigerant
conduit
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.)
Ceased
Application number
PCT/KR2012/003820
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English (en)
Korean (ko)
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WO2012161456A3 (fr
Inventor
진주환
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of WO2012161456A2 publication Critical patent/WO2012161456A2/fr
Publication of WO2012161456A3 publication Critical patent/WO2012161456A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • 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
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/004—Outdoor unit with water as a heat sink or heat source
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/021—Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit

Definitions

  • the present invention relates to a heat pump system, and more particularly, to hot water generation of an air heat source heat pump system, and a defrost and cooling structure of an outdoor heat exchanger.
  • the heat pump operates the steam compression refrigeration cycle in the opposite direction to the cooling (freezing) operation, i.e., the indoor heat exchanger acts as the condenser and the outdoor heat exchanger as the evaporator during the heating operation, and the outdoor heat exchanger during the cooling operation.
  • the refrigerant is evaporated or condensed in the outdoor heat exchanger.
  • the air heat source heat pump is installed to expose the outdoor heat exchanger to the outside air to evaporate or condense the refrigerant by the outside air, and especially on the surface of the outdoor heat exchanger acting as an evaporator when the outside air temperature falls below the dew point temperature during the heating operation.
  • Condensation of the refrigerant liquid in the outdoor heat exchanger which acts as a condenser when the frost condenses, may cause the evaporation of the refrigerant gas to decrease or become impossible, leading to a significant drop in the coefficient of performance or to an inoperability.
  • the poor coefficient of performance is deteriorating, and the above-mentioned problem has been solved, which is one of the key topics in the development of heat pump technology.
  • the refrigeration cycle is converted into a reverse cycle, that is, the outdoor heat exchanger acting as an evaporator is acted as a condenser, or an electrothermal heater is installed in the outdoor heat exchanger.
  • the outdoor heat exchanger acting as an evaporator is acted as a condenser, or an electrothermal heater is installed in the outdoor heat exchanger.
  • the defrosting and cooling promotion structure of the outdoor heat exchanger of the air heat source heat pump system of Patent Document 1 includes a compressor, a four-way valve, an indoor heat exchanger, a cooling expansion valve, a heating expansion valve, an outdoor heat exchanger, and the four-way.
  • a basic refrigeration circuit connecting the valves in order to the refrigerant conduit and connecting the four-way valve and the compressor to the refrigerant suction conduit; Both ends of the bypass refrigerant conduit are connected between the cooling and heating expansion valves of the refrigerant conduit to install a heating heat exchanger in the bypass refrigerant conduit, and surround the heating heat exchanger and install a heat medium therein.
  • An auxiliary heat exchanger installed in the outdoor heat exchanger by connecting a heat medium supply pipe having a heat medium circulation pump to the heat storage tank and a heat medium return pipe;
  • a heat exchanger is installed in the heat medium supply pipe and the heat medium return pipe, and the heat medium supply pipe and the heat medium return pipe are installed, and an outdoor heat exchanger defrost and cooling means is provided around the heat exchanger.
  • the defrost and cooling promotion structure of the outdoor heat exchanger of the air heat source heat pump system is heat transfer between the non-heat source and the heat medium circulating the heat exchanger supplied to the non-heat heat source storage tank to maintain a constant temperature to maintain a constant temperature Is circulated to the auxiliary heat exchanger installed in the outdoor heat exchanger to defrost the frost attached to the outdoor heat exchanger during the heating operation, to improve the coefficient of performance by cooling the outdoor heat exchanger during the cooling operation, and the heating medium heated in the heat storage tank is
  • the auxiliary heat exchanger is circulated to defrost the outdoor heat exchanger during the heating operation, and the cooling coefficient is maintained to be satisfactorily maintained by supercooling the refrigerant liquid condensed in the indoor or outdoor heat exchanger.
  • the defrosting and cooling facilitation structure of the outdoor heat exchanger of the air heat source heat pump system provides good heat source (latent heat) contained in the air when the refrigerant liquid or refrigerant vapor circulating the outdoor heat exchanger is evaporated or condensed by the atmosphere.
  • a forced convection type outdoor heat exchanger installed with a fan should be used for the purpose of use.
  • the auxiliary heat exchanger installed in the forced convection type outdoor heat exchanger as described above has a heating medium (with brine) of a predetermined temperature (about 20 ° C.) heated in a heat-free storage tank for free use.
  • the heat of the heat source for the non-heat source is lost (discharged) due to the suction or pressure of the fan.
  • Low and low utilization efficiency of the non-heat source for heat as described above, the improvement of the grade coefficient is also low Claim to being able dots.
  • the present invention is to correct the above problems, to improve the utilization efficiency of the non-heat source for circulating the heat medium heat-exchanged with the non-heat source for heat to the outdoor heat exchanger, to improve the coefficient of performance well, during heating operation or cooling operation It is an object to provide an air heat source heat pump system that is capable of producing good multi-purpose hot water at all times.
  • the present invention is connected to the compressor, 4-way valve, indoor heat exchanger, cooling expansion valve, heating expansion valve, outdoor heat exchanger and the 4-way valve in order to the refrigerant conduit,
  • a basic refrigeration cycle connecting the way valve and the compressor to the refrigerant suction conduit;
  • a hot water heating circuit disposed between the compressor of the refrigerant conduit and the 4-way valve;
  • Defrosting and cooling means for installing an auxiliary heat exchanger in the outdoor heat exchanger and installing a heat exchanger in a heat-free storage source for heat, connecting the auxiliary heat exchanger and the heat exchanger so that a closed circuit is formed by a heat medium supply pipe and a heat medium return pipe provided with a circulation pump;
  • a performance improving means installed between the outdoor heat exchanger and the 4-way valve of the heat medium supply pipe and the refrigerant conduit.
  • the present invention heats and heats an auxiliary heat exchanger installed in an outdoor heat exchanger by heating a heat source for circulating a heat source and a heat exchanger to heat or cool and then circulating the heated or cooled heat medium and driving a fan.
  • the refrigerant vapor of the high temperature and high pressure compressed by the compressor is first condensed in the endothermic and heat radiating heat exchanger of the performance improving means before condensing in the outdoor heat exchanger, and then recondensed in the outdoor heat exchanger. Because of the good condensation, this also contributes to the improvement of the coefficient of performance, which can improve the performance.
  • the present invention can improve the quality of life even more by using a multi-purpose to generate hot water at the same time the heating operation or cooling operation at all times.
  • FIG. 1 is a block diagram of an embodiment of the present invention.
  • FIG. 1 is a block diagram of an embodiment of the present invention, which is roughly divided into a basic refrigeration cycle 10, a hot water heating circuit 20, a defrosting and cooling means 30, and a performance improving means 40. As shown in FIG.
  • the basic refrigeration cycle 10 includes a compressor 11, a 4-way valve 12, an indoor heat exchanger 13, a cooling expansion valve 14, a heating expansion valve 15, an outdoor heat exchanger 16 and
  • the 4-way valve 12 is connected in sequence to the refrigerant conduit 17, and the 4-way valve 12 and the compressor 11 are connected to the refrigerant suction conduit 18, and the basic refrigeration cycle 10 Is based on the air heat source.
  • the hot water heating circuit 20 is installed between the compressor 11 of the refrigerant conduit 17 and the four-way valve 12 to always supply hot water at the same time as the operation of the basic refrigeration cycle 10, that is, heating operation or cooling operation. Generated and used for bathing or hot water supply, or as other radiant heat generating means, and supplied to the floor-mounted heat dissipation coil, radiator and fan coil unit installed at a different position from the indoor heat exchanger 13 or a different position from the indoor heat exchanger 13. To use for heating or drying.
  • the hot water heating circuit 20 connects both ends of the refrigerant vapor bypass conduit 21 at regular intervals between the compressor 17 of the refrigerant conduit 17 and the four-way valve 12 to provide the refrigerant vapor bypass conduit.
  • a condenser 22 is provided at the 21, a heating heat exchanger 23 is provided at the condenser 22 to maintain a heat exchange relationship with the condenser 22, and a heating bath with the heating heat exchanger 23 is provided.
  • the solenoid valves 27a and 27b are provided between the connecting portions of both ends 21 so that the refrigerant vapor compressed by the compressor 11 flows into the refrigerant vapor bypass conduit 21. 22 to heat the hot water flowing through the heating heat exchanger 23 by the heat of the condensation And stored in a low tangjo 24 is used for the required purpose.
  • the defrosting and cooling means 30 may install the heat exchanger tube of the auxiliary heat exchanger 32 between the heat exchanger tubes of the outdoor heat exchanger 16, or fin the auxiliary heat exchanger 32 on the side of the outdoor heat exchanger 16. fins are integrally formed and integrally formed, or a separate auxiliary heat exchanger 32 is provided on the side of the outdoor heat exchanger 16, and a heat exchanger 31 is provided in the heat source storage tank 33 for the non-thermal.
  • the auxiliary heat exchanger 32 and the heat exchanger 31 are connected to each other in such a way that a closed circuit is formed by the heat medium supply pipe 34a and the heat medium return pipe 34b provided with the circulation pump 35, and the heat exchanger 31 and the like. Is injecting a heat medium (a material having a low freezing temperature such as ethylene glycol).
  • the heat source supplied to the unheated heat source storage tank 33 is to prevent environmental destruction by using renewable energy such as river water, sea water, ground water collected, solar heat collecting device (air or hot water), rainwater, waste water, etc.
  • renewable energy such as river water, sea water, ground water collected, solar heat collecting device (air or hot water), rainwater, waste water, etc.
  • the performance improving means 40 is provided between the heat exchanger supply pipe 34a and the outdoor heat exchanger 16 of the refrigerant conduit 17 and the four-way valve 12.
  • the wet saturated vapor sucked into 11) is heated, and during the cooling operation, the high temperature and high pressure refrigerant vapor compressed by the compressor 11 is first cooled before being supplied to the outdoor heat exchanger 16.
  • the performance improving means 40 is provided with a heat dissipation heat exchanger 41 in the heat medium supply pipe (34a), the heat dissipation heat exchange between the four-way valve 12 and the outdoor heat exchanger (16) of the refrigerant conduit (17)
  • the heat absorption and heat dissipation heat exchanger 42 is provided so as to maintain a heat exchange relationship with the gas 41.
  • a bypass conduit 37 for bypassing the heat dissipation heat exchanger 41 is connected to the heat medium supply pipe 24a, and a 3-way valve is connected to the inlet side connection portion of the heat medium supply pipe 34a and the bypass conduit 37. 38) is installed so that the heating medium is supplied to the heat dissipation heat exchanger 41 during the heating operation, and the heating medium flows through the bypass conduit 37 during the cooling operation to prevent heating of the heating medium, In the cooling heat exchanger 42, the condensation of the refrigerant vapor is improved.
  • Reference numeral 28a is a water supply pipe
  • 28b is a hot water supply pipe
  • 51 and 52 are check valves.
  • the outdoor heat exchanger 16 is provided with a suction type or a pressurized fan (not shown) to improve the evaporation of the refrigerant liquid and the condensation of the refrigerant vapor, which is well known in an air heat source heat pump.
  • the indoor heat exchanger 13 is heated by operating the 4-way valve 12 so that the refrigerant flows in the solid line of the arrow in FIG. It functions as a condenser at the time of operation and as an evaporator at the time of cooling operation, and functions as a heating function and a cooling function is the same as the conventional thing.
  • the outside air temperature falls below the dew point temperature during the heating operation and the cooling operation as described above, or when the non-thermal heat source is circulated to the non-thermal heat source storage tank 33 in a cold weather or the like, it is heat-exchanged with the heat medium in the heat exchanger 31, and the heat medium is heated. In operation, the temperature is higher than the outside temperature, and in the cooling operation, the temperature is lower than the outside temperature.
  • the heat medium higher or lower than the outside temperature is circulated in the auxiliary heat exchanger 32 by driving the circulation pump 35, the heating operation is performed. It prevents frost from forming on the heat exchanger tube and fin of the outdoor heat exchanger 16 or defrosts the formed frost.
  • the heat transfer tube and fin of the outdoor heat exchanger 16 is cooled to improve the condensation of the refrigerant gas.
  • the temperature of the non-heating heat source is better in cold weather during the heating operation, and exceeds 25 ° C. during the cooling operation. Preferably it is.
  • the wet saturated vapor vaporized in the outdoor heat exchanger 16 and sucked into the compressor 11 is heated by heat radiation (heat exchange) of the heat medium circulating through the heat radiating heat exchanger 41 to dry the saturated steam or superheated steam.
  • the lower surface of the compressor 11 prevents liquid bag or liquid from occurring, thereby improving the reliability of the compressor 11 and improving the coefficient of performance.
  • the high-temperature / high-pressure refrigerant vapor compressed by the compressor 11 is transferred to the outdoor heat exchanger 16.
  • the first condensation is passed through the endothermic and heat dissipating heat exchanger 32 before condensation and then recondensed in the outdoor heat exchanger 16, thereby improving the condensation of the refrigerant vapor.
  • the three-way valve 38 is operated so that the heat medium flows toward the bypass conduit 37 to prevent the heat medium from being heated by the heat of release of the endothermic and heat dissipating heat exchanger 42. Only the following heat medium is circulated to improve the condensation of the refrigerant vapor.
  • the solenoid valve 27a When the hot water is to be generated during the heating operation or the cooling operation as described above, the solenoid valve 27a is opened and the solenoid valve 27b is kept open or fully closed or partially closed. All or part of the high-temperature and high-pressure refrigerant vapor compressed in (11) flows into the above-mentioned heating circuit or cooling circuit while condensing in the condenser 22 while flowing into the refrigerant vapor bypass conduit 21, and the refrigerant in the condenser 22.
  • the condensation heat when the steam is condensed is exchanged with the hot water to be heated flowing in the heating heat exchanger 23 to heat the hot water and stored in the water storage tank 24 along the supply pipe 25a and also by the circulation pump 26.
  • the heated hot water is used for multipurpose purposes such as bathing, hot water supply, heating, drying and the like.
  • the opening and closing amount of the solenoid valve (27a) (27b) can be adjusted according to the production amount of hot water or the purpose of use of the indoor heat exchanger (13).

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

La présente invention concerne un système de pompe à chaleur et, plus spécifiquement, la production d'eau chaude d'un système de pompe à chaleur de type air-air ainsi qu'une structure de dégivrage et refroidissement pour un échangeur thermique extérieur, afin d'augmenter l'efficacité d'utilisation d'une source de chaleur gratuite, d'amener le coefficient de performance à un niveau satisfaisant et de générer de l'eau chaude à tout moment. Le système selon la présente invention comprend: un cycle de congélation de base (10) pourvu d'un compresseur (11), un robinet à quatre voies (12), un échangeur thermique intérieur (13), un détendeur (14) assurant le refroidissement, un détendeur (15) assurant le chauffage, un échangeur thermique extérieur (16) et un robinet à quatre voies (12), qui sont reliés à une conduite (17) de fluide frigorigène dans l'ordre respectif; le robinet à quatre voies (12) et le compresseur étant reliés à une conduite d'aspiration de fluide frigorigène (18); un circuit de chauffage à eau chaude (20) placé entre le compresseur (11) et le robinet à quatre voies (12) de la conduite de fluide frigorigène; un moyen de dégivrage et de refroidissement (30) permettant de monter un échangeur thermique auxiliaire (32) sur l'échangeur thermique extérieur (16),et de monter un échangeur thermique (31) sur un réservoir de stockage de source de chaleur gratuite (33), de sorte que l'échangeur thermique auxiliaire (32) et l'échangeur thermique (31) sont reliés à une canalisation d'alimentation en milieu chauffant (34a), de manière à former un circuit fermé; et un moyen permettant d'améliorer les performances placé au niveau de la canalisation d'alimentation en milieu chauffant (34a) et entre l'échangeur thermique extérieur (16) et le robinet à quatre voies (12) de la conduite (17) de fluide frigorigène .
PCT/KR2012/003820 2011-05-23 2012-05-16 Système de pompe à chaleur Ceased WO2012161456A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0048231 2011-05-23
KR1020110048231A KR101258181B1 (ko) 2011-05-23 2011-05-23 히트 펌프 시스템

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WO2012161456A2 true WO2012161456A2 (fr) 2012-11-29
WO2012161456A3 WO2012161456A3 (fr) 2013-03-21

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PCT/KR2012/003749 Ceased WO2012161446A2 (fr) 2011-05-23 2012-05-14 Système de pompe à chaleur
PCT/KR2012/003820 Ceased WO2012161456A2 (fr) 2011-05-23 2012-05-16 Système de pompe à chaleur

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PCT/KR2012/003749 Ceased WO2012161446A2 (fr) 2011-05-23 2012-05-14 Système de pompe à chaleur

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WO (2) WO2012161446A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111426090B (zh) * 2020-03-24 2022-09-16 青岛海尔空调电子有限公司 控制装置、空调热泵系统及其控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796437A (en) * 1987-10-23 1989-01-10 James Larry S Multifluid heat pump system
JP3410583B2 (ja) * 1995-06-30 2003-05-26 東京瓦斯株式会社 エンジン廃熱回収型ガスエンジン駆動ヒートポンプにおける着霜防止装置
KR100389272B1 (ko) * 2001-03-17 2003-06-27 진금수 히트 펌프식 냉·난방장치
KR100970870B1 (ko) * 2008-08-26 2010-07-16 진금수 히트 펌프 시스템
KR101060512B1 (ko) * 2009-09-28 2011-08-30 진금수 냉·온수 생성장치

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WO2012161446A2 (fr) 2012-11-29
KR101258181B1 (ko) 2013-04-25
KR20120130357A (ko) 2012-12-03
WO2012161446A3 (fr) 2013-03-21
WO2012161456A3 (fr) 2013-03-21

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