WO2010024553A2 - 히트 펌프 시스템 - Google Patents

히트 펌프 시스템 Download PDF

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Publication number
WO2010024553A2
WO2010024553A2 PCT/KR2009/004625 KR2009004625W WO2010024553A2 WO 2010024553 A2 WO2010024553 A2 WO 2010024553A2 KR 2009004625 W KR2009004625 W KR 2009004625W WO 2010024553 A2 WO2010024553 A2 WO 2010024553A2
Authority
WO
WIPO (PCT)
Prior art keywords
heat
heat exchanger
conduit
refrigerant
heating
Prior art date
Application number
PCT/KR2009/004625
Other languages
English (en)
French (fr)
Korean (ko)
Other versions
WO2010024553A3 (ko
Inventor
진금수
Original Assignee
Jin Kum-Soo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jin Kum-Soo filed Critical Jin Kum-Soo
Priority to US13/060,594 priority Critical patent/US20110146321A1/en
Priority to JP2011523741A priority patent/JP2012500379A/ja
Priority to EP09810158A priority patent/EP2320163A2/en
Priority to CN2009801328557A priority patent/CN102132110A/zh
Publication of WO2010024553A2 publication Critical patent/WO2010024553A2/ko
Publication of WO2010024553A3 publication Critical patent/WO2010024553A3/ko

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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
    • F25B30/00—Heat pumps
    • 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
    • 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
    • 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
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/24—Storage receiver 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
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system

Definitions

  • the present invention relates to a heat pump system, and more particularly, to a defrosting and cooling promoting structure of an outdoor heat exchanger in a heat pump system.
  • the heat pump operates the steam compression refrigeration cycle as opposed to during the cooling operation, i.e., the indoor heat exchanger acts as the condenser, the outdoor heat exchanger as the evaporator during the heating operation, and the outdoor heat exchanger as the condenser during the cooling operation.
  • the indoor heat exchanger acts as the condenser
  • the outdoor heat exchanger as the evaporator during the heating operation
  • the outdoor heat exchanger as the condenser during the cooling operation.
  • the evaporation or condensation of the refrigerant in the outdoor heat exchanger should be good.
  • an 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 particularly, when the outside air temperature falls below the dew point temperature during the heating operation, the surface of the outdoor heat exchanger acts as an evaporator. Condensation of the refrigerant liquid in the outdoor heat exchanger, which acts as a condenser when frost condenses, may result in a low or impossible evaporation of the refrigerant gas, resulting in a drastic drop in the coefficient of performance or an inoperability. The poor coefficient of performance is deteriorating, and the solution of the above problems has become one of the key topics in the development of heat pump technology.
  • the heat pump cycle is converted to a cooling cycle, that is, the outdoor heat exchanger acting as an evaporator acts as a condenser to defrost frost formed on the surface or indoors. It is known to prevent the deterioration of the coefficient by installing an electrothermal heater in the heat exchanger, but the former causes the heating operation to be stopped, and the latter requires not only an improvement in the coefficient but also additional energy.
  • the inventors and applicants of the present invention propose a heat pump system for solving the above-mentioned core theme of the heat pump and disclosed in Patent Document 1.
  • the heat pump system is a compressor, a four-way valve, an indoor heat exchanger, for cooling
  • a basic refrigeration circuit connecting an expansion valve, a heating expansion valve, an outdoor heat exchanger, and the four-way valve in order with a conduit, and connecting the four-way valve and the compressor with a suction conduit
  • a heat storage tank installed between the cooling expansion valve and the heating expansion valve of the conduit to fill the heat medium and to embed the latent heat storage material;
  • the first and second endothermic heat exchangers installed in parallel to the suction conduit and built in the heat storage tank and selectively acting according to the temperature of the refrigerant vapor
  • the heat medium stored in the heat medium is stored to maintain a constant temperature, and when the outside temperature falls below the dew point and at a set temperature or more, the heat medium is circulated to the heat exchanger installed in the outdoor heat exchange to heat or cool the outside air sucked into the outdoor heat exchanger. It is possible to prevent the formation of frost on the outdoor heat exchanger or to defrost the frost in the outdoor heat exchanger during the heating operation with low outside temperature, and to improve the condensation of refrigerant vapor during the cooling operation with the high outside temperature to increase the coefficient of performance even when the outside temperature is low or high. Can also be sucked into the compressor by dry or superheated steam This also meant to increase the grade factor.
  • Patent Document 1 JP 3,662,557 (B2)
  • the heat pump system of Patent Document 1 has a significant advantage of improving the coefficient of performance without interruption of operation even at high and low temperatures by supercooling the refrigerant liquid and heating or cooling the outside air sucked into the outdoor heat exchanger.
  • the supercooling of the coolant liquid becomes severe. If the overcooling of the coolant liquid exceeds the appropriate level, the coefficient of performance is improved but the specific volume of the coolant liquid is reduced.
  • the outside temperature is low, as the evaporation of the refrigerant liquid supplied to the outdoor heat exchanger becomes even worse, the wet saturated vapor is sucked into the compressor.
  • the present invention is to correct the above problems, by using the subcooled heat source and the supercooled condensation heat of the refrigerant liquid to heat or cool the outdoor heat exchanger to maintain the proper supercooling degree of the refrigerant liquid, without using a separate paid heat source It is an object of the present invention to provide an increased heat pump system.
  • 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 circuit connecting the way valve and the compressor to the refrigerant suction conduit;
  • a heat storage tank in which both ends of the bypass refrigerant conduit are connected between both expansion valves of the refrigerant conduit to install a heat exchanger for the bypass refrigerant conduit, and surround the heating heat exchanger, and inject a heat medium therein;
  • An auxiliary heat exchanger connected to the heat storage tank by a heat medium circulation pump attached to a heat medium supply pipe and a heat medium return pipe and installed in the outdoor heat exchanger;
  • a heat exchanger is installed in the heat medium supply pipe and the heat medium return pipe by a brine circulation pump and a brine return pipe, and a defrosting and cooling means of an outdoor heat exchanger having a non-heat heat storage tank installed around the heat exchanger.
  • the present invention maintains a constant temperature of the heat exchanger by the non-heating heat source flowing in the storage tank when the outside temperature is below a certain temperature (Example 5 °C) or above a certain temperature (Example 30 °C).
  • a certain temperature Example 5 °C
  • a certain temperature Example 30 °C
  • the outdoor heat exchanger is prevented from defrosting or forming frost when the outside air temperature is low during the heating operation, and the coolant liquid in the outdoor heat exchanger during the cold weather, etc., during the cold operation.
  • the coefficient of performance can be maintained as a heat source for the non-heating.
  • the coefficient of coefficient is increased by supercooling the refrigerant liquid in which condensation is insufficient due to the reduction of the load of the indoor heat exchanger during heating operation. Insufficient heat source for raining or no waste water during heating operation In instances of occurrence it will be kept good in the coefficient of performance during the heating operation by circulating a heated heat medium in the heat storage tank to a heat exchanger installed in the outdoor heat groups.
  • 10 is a basic refrigeration circuit
  • the basic refrigeration circuit 10 is a compressor 11, a four-way valve 12, an indoor heat exchanger 13, cooling and heating Expansion valves (14) (15), outdoor heat exchanger (16), and the four-way valves (12) in the order of the refrigerant conduits (17), and the four-way valves (12) and the compressor (11) in the refrigerant It is connected to the suction conduit (18).
  • the heat storage tank 20 denotes a heat storage tank, and the heat storage tank 20 connects both ends of the bypass refrigerant conduit 21 at regular intervals between the cooling and heating expansion valves 14 and 15, and the bypass refrigerant conduit (
  • the heat exchanger 22 for heat is provided in 21, and the heat exchanger 22 for heat is surrounded, and the heat medium 23 is injected inside.
  • the auxiliary heat exchanger 30 is an auxiliary heat exchanger, the auxiliary heat exchanger 30 is installed between the heat transfer tubes of the outdoor heat exchanger 16 at equal intervals, or the side of the outdoor heat exchanger 16.
  • the heat storage tank 20, the heat medium circulation pump 32, and the heat medium supply pipe 31 and the heat medium return pipe 33 are integrally installed or separately installed in the heat storage tank 20, and the heat transfer pipe of the auxiliary heat exchanger 30 is connected as described above. If the heat exchanger is installed at equal intervals between the heat exchanger tubes of the outdoor heat exchanger 16, the heat transfer efficiency is further improved. Therefore, it is preferable to install between the heat exchanger tubes of the outdoor heat exchanger 16 as described above.
  • the outdoor heat exchanger defrosting and cooling means 40 denotes an outdoor heat exchanger defrosting and cooling means, and the outdoor heat exchanger defrosting and cooling means 40 is connected to the heat medium supply pipe 31 and the heat medium return pipe 33 by a brine circulation pump 43 and a brine supply pipe 42.
  • Heat exchanger (41) is provided by the brine return pipe (44), and a heat-free storage source (45) is installed around the heat exchanger (41) to circulate the heat-free storage source in the storage tank (45).
  • the heat exchanger 41 is maintained in a heat exchange relationship so that the brine of a predetermined temperature (eg, about 20 ° C) is circulated to the auxiliary heat exchanger 30.
  • the non-heating heat source is a river, sea water, ground water collected, solar heat collector to prevent environmental damage by using renewable energy, such as collected fluid (air or hot water), rainwater, waste water, and easily obtained in the installation place of the present invention
  • the temperature of the non-heating heat source may be higher in particularly cold weather during heating operation, and may not exceed 25 ° C. in cooling operation.
  • the refrigerant suction conduit 18 is provided with a refrigerant suction bypass conduit 50 penetrating through the heat storage tank 20, and an endothermic heat exchanger 51 is installed at the through portion thereof, thereby allowing the refrigerant gas to be sucked into the compressor 11. It is possible to prevent the liquid back and liquid attack of the compressor (11) by heating to dry or superheated steam.
  • a solenoid valve S1 and a solenoid valve S2 are installed between the both ends of the bypass refrigerant conduit 21 of the refrigerant conduit 17 and near the connection of the refrigerant conduit 17 of the bypass conduit 21.
  • the solenoid valve S1 is closed when the temperature is higher than a predetermined temperature (for example, 35 ° C).
  • the solenoid valve S2 is opened to supercool the refrigerant liquid.
  • the solenoid valve (S3) and the solenoid valve (S4) are respectively installed on the discharge port side of each circulation pump (32) (43) of the heat medium supply pipe (31) and the brine supply pipe (42) and installed in the outdoor heat exchanger (16).
  • the solenoid valve S3 is closed and the solenoid valve S4 is closed when a certain temperature (for example, 10 ° C. or lower in the heating operation and 30 ° C. or higher in the cooling operation) is reached by the detection signal of the temperature sensor 61. Opening and circulating the brine heated in the heat exchanger 41 by the non-heat source for circulation to the auxiliary heat exchanger (30).
  • the solenoid valves S3 and S4 are opened and closed in response to the detection signal to the heat storage tank 20.
  • the heated heat medium is circulated to the auxiliary heat exchanger 30 to defrost the outdoor heat exchanger 16.
  • each of the solenoid valves (S5) (S6) are installed in the adjacent position of the connection inlet of the refrigerant suction bypass conduit (50) of the refrigerant suction conduit (18) and the connection inlet position of the refrigerant suction bypass conduit (50).
  • the solenoid valve S5 is closed and the solenoid valve S6 is opened and sucked into the compressor 11 when the set temperature (eg 5 ° C.) or less is detected by the detection signal of the temperature sensor 64 installed in the conduit 18.
  • the refrigerant gas is heated in the heat storage tank 20 to superheat steam.
  • Reference numerals 66 and 67 are check valves.
  • the indoor heat exchanger 13 cools the condenser during the heating operation.
  • it functions as an evaporator to perform a heating function or a cooling function is the same as the conventional one.
  • the solenoid valve S2 is opened by the detection signal of the temperature sensor 60 to operate the heat storage tank 20.
  • the coefficient of performance is improved by the supercooling of the refrigerant liquid, and the heat medium is heated and stored by the heat of condensation, and the heat medium stored as described above is a non-heating heat source storage tank 45 due to no rain or waste water generation. If the amount of the inlet is small by circulating in the auxiliary heat exchanger (30) it is possible to maintain a good coefficient of performance at all times during the heating operation.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
PCT/KR2009/004625 2008-08-26 2009-08-20 히트 펌프 시스템 WO2010024553A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US13/060,594 US20110146321A1 (en) 2008-08-26 2009-08-20 Heat pump system
JP2011523741A JP2012500379A (ja) 2008-08-26 2009-08-20 ヒートポンプシステム
EP09810158A EP2320163A2 (en) 2008-08-26 2009-08-20 Heat pump system
CN2009801328557A CN102132110A (zh) 2008-08-26 2009-08-20 热泵系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080083160A KR100970870B1 (ko) 2008-08-26 2008-08-26 히트 펌프 시스템
KR10-2008-0083160 2008-08-26

Publications (2)

Publication Number Publication Date
WO2010024553A2 true WO2010024553A2 (ko) 2010-03-04
WO2010024553A3 WO2010024553A3 (ko) 2010-06-17

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ID=41722080

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Application Number Title Priority Date Filing Date
PCT/KR2009/004625 WO2010024553A2 (ko) 2008-08-26 2009-08-20 히트 펌프 시스템

Country Status (6)

Country Link
US (1) US20110146321A1 (zh)
EP (1) EP2320163A2 (zh)
JP (1) JP2012500379A (zh)
KR (1) KR100970870B1 (zh)
CN (1) CN102132110A (zh)
WO (1) WO2010024553A2 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2960629A1 (fr) * 2010-05-31 2011-12-02 Valeo Systemes Thermiques Procede de controle d'un dispositif de stockage dans un circuit de refrigerant
CN102767921A (zh) * 2012-08-02 2012-11-07 广东工业大学 一种双路预冷的高效热泵装置及其控制方法
CN104515318B (zh) * 2013-09-30 2016-08-31 珠海格力电器股份有限公司 空调系统

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JP5693932B2 (ja) * 2010-11-29 2015-04-01 高砂熱学工業株式会社 冷却システム、及び冷却方法
KR200465485Y1 (ko) * 2010-12-31 2013-02-28 (주)세종엠엔이 하이브리드 히트펌프 시스템
US8701432B1 (en) 2011-03-21 2014-04-22 Gaylord Olson System and method of operation and control for a multi-source heat pump
KR101218546B1 (ko) * 2011-05-23 2013-01-09 진주환 히트 펌프 시스템
KR101258181B1 (ko) * 2011-05-23 2013-04-25 진주환 히트 펌프 시스템
CN103115456B (zh) * 2011-11-16 2015-03-25 山东天宝空气能热泵技术有限公司 复合冷暖系统
US9534818B2 (en) 2012-01-17 2017-01-03 Si2 Industries, Llc Heat pump system with auxiliary heat exchanger
KR101351826B1 (ko) 2012-03-28 2014-01-15 주식회사 신진에너텍 지하수를 이용한 온실용 히트펌프 냉난방 장치
KR101258182B1 (ko) * 2012-05-07 2013-04-30 진주환 히트 펌프 시스템
KR101218548B1 (ko) 2012-05-07 2013-01-09 진주환 히트 펌프 시스템
CN102692097A (zh) * 2012-06-11 2012-09-26 江苏望远节能科技开发有限公司 一种地下含水构造层蓄能循环系统
CN104704300B (zh) * 2012-10-10 2016-10-05 三菱电机株式会社 空调装置
KR101356276B1 (ko) 2013-11-14 2014-01-29 이정석 공기열 히트펌프의 빙축 및 냉난방 시스템
US20150267946A1 (en) * 2014-03-18 2015-09-24 Suntrac Solar Manufacturing, Llc Solar panel interface with air conditioning and/or heat pump unit system
US9976785B2 (en) * 2014-05-15 2018-05-22 Lennox Industries Inc. Liquid line charge compensator
US10330358B2 (en) 2014-05-15 2019-06-25 Lennox Industries Inc. System for refrigerant pressure relief in HVAC systems
CN105276874A (zh) * 2014-07-10 2016-01-27 南京理工大学 一种利用储存液体过冷热除霜的热泵空调机组
CN104807258B (zh) * 2015-05-25 2017-05-03 合肥美的暖通设备有限公司 空调系统及其的蓄热除霜装置、方法
ITUB20153364A1 (it) * 2015-09-03 2017-03-03 Begafrost S R L Sistema per lo sbrinamento dell?evaporatore esterno in un impianto a pompa di calore.
CN106642791A (zh) * 2016-12-28 2017-05-10 翁立波 一种容积式双工况多功能水风冷机组
CN106767079B (zh) * 2017-01-10 2019-01-22 美的集团武汉制冷设备有限公司 蓄热组件和空调器
US10663199B2 (en) 2018-04-19 2020-05-26 Lennox Industries Inc. Method and apparatus for common manifold charge compensator
US10830514B2 (en) 2018-06-21 2020-11-10 Lennox Industries Inc. Method and apparatus for charge compensator reheat valve

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2960629A1 (fr) * 2010-05-31 2011-12-02 Valeo Systemes Thermiques Procede de controle d'un dispositif de stockage dans un circuit de refrigerant
EP2400240A1 (fr) * 2010-05-31 2011-12-28 Valeo Systemes Thermiques Procédé de contrôle d`un dispositif de stockage dans un circuit de réfrigérant
CN102767921A (zh) * 2012-08-02 2012-11-07 广东工业大学 一种双路预冷的高效热泵装置及其控制方法
CN104515318B (zh) * 2013-09-30 2016-08-31 珠海格力电器股份有限公司 空调系统

Also Published As

Publication number Publication date
WO2010024553A3 (ko) 2010-06-17
US20110146321A1 (en) 2011-06-23
KR100970870B1 (ko) 2010-07-16
CN102132110A (zh) 2011-07-20
JP2012500379A (ja) 2012-01-05
EP2320163A2 (en) 2011-05-11
KR20100024551A (ko) 2010-03-08

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