KR20120130358A - Heat pump system - Google Patents

Heat pump system Download PDF

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KR20120130358A
KR20120130358A KR1020110048232A KR20110048232A KR20120130358A KR 20120130358 A KR20120130358 A KR 20120130358A KR 1020110048232 A KR1020110048232 A KR 1020110048232A KR 20110048232 A KR20110048232 A KR 20110048232A KR 20120130358 A KR20120130358 A KR 20120130358A
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South Korea
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heat
heat exchanger
conduit
refrigerant
medium
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KR1020110048232A
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Korean (ko)
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KR101218546B1 (en
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진주환
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진주환
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Priority to KR1020110048232A priority Critical patent/KR101218546B1/en
Priority to PCT/KR2012/003750 priority patent/WO2012161447A2/en
Priority to PCT/KR2012/003821 priority patent/WO2012161457A2/en
Publication of KR20120130358A publication Critical patent/KR20120130358A/en
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    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0095—Devices for preventing damage by freezing
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/003—Indoor 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
    • F25B2313/0211—Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit the auxiliary heat exchanger being only used during defrosting
    • 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
    • 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
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0254—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in series arrangements
    • 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

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

Abstract

PURPOSE: A heat pump system is provided to improve the coefficient of performance, and to increase the utilization efficiency of a heat source when the heat source and heat exchanged heat medium circulate in a heat exchanger. CONSTITUTION: A heat pump system comprises a basic cooling cycle(10), a hot water heating circuit(20), a condenser, a defroster(30), a defrosting and cooling unit(40), and a function improving unit(50). The defroster connects a pipe for supplying a heat storage medium to a return pipe so that a closed circulation circuit is formed. A heat exchanger comprises a heat source reservoir. The defroster comprises a closed circulation circuit for a heat storage medium. The defrosting and cooling unit is connected to the closed circulation circuit, and circulates a heat medium in a sub heat exchanger. The function improving unit is installed between an outdoor heat exchanger and a four way valve.

Description

히트 펌프 시스템{HEAT PUMP SYSTEM}[0001] HEAT PUMP SYSTEM [0002]

본 발명은 히트 펌프 시스템에 관한 것이며, 상세하게는 공기 열원형 히트 펌프 시스템의 온수생성과, 실외 열교환기의 제상 및 냉각구조에 관한 것이다.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 to defrost and cooling structure of an outdoor heat exchanger.

주지하는 바와 같이, 히트 펌프는 증기 압축식 냉동 사이클을 냉각(냉동) 운전시와 반대로 운전하여 즉 가열운전시는 실내 열교환기를 응축기로, 실외 열교환기를 증발기로 작용하게 하고, 냉각운전시는 실외 열교환기를 응축기로, 실내 열교환기를 증발기로 작용하게 하는 것임으로 성적계수를 향상하기 위하여서는 실외 열교환기에서 냉매의 증발 또는 응축이 양호하여야 한다.As is well known, 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. In order to improve the coefficient of performance, the refrigerant is evaporated or condensed in the outdoor heat exchanger.

그런데 공기 열원형 히트 펌프는 상기 실외 열교환기를 외기에 노출되게 설치하여 외기에 의하여 냉매를 증발시키거나 응축시킴으로 특히 가열운전시 외기온도가 노점온도 이하로 하강하면 증발기로 작용하는 실외 열교환기의 표면에 서리가 맺힘으로 냉매가스의 증발 저하 내지 불가능 현상이 발생하여 성적계수가 대폭 저하되거나, 운전불능 현상을 초래하고, 한편 냉각운전시 외기온도가 높을 때에는 응축기로 작용하는 실외 열교환기에서 냉매액의 응축이 불량하여 성적계수가 저하되고 있는바, 상기한 문제점의 해결이 히트 펌프의 기술개발 핵심주제 중 하나가 되고 있다.However, 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.

상기한 문제점 중 가열운전시의 성적계수의 저하 또는 운전불능을 해결하기 위하여 냉동 사이클을 역 사이클로 변환 운전하여 즉 증발기로 작용시키던 실외 열교환기를 응축기로 작용시키거나, 실외 열교환기에 전열 히터를 부설하여서, 그 표면에 부착된 서리를 제상함으로써 성적계수의 저하를 방지하는 것이 주지되었으나, 전자는 가열 운전 중단 상태를 초래하고, 후자는 성적계수의 개선이 미미할 뿐 아니라 별도의 에너지가 필요하게 되는 것이다.  In order to solve the degradation or inoperability of the above-mentioned problems during the heating operation, 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. It is well known to deteriorate the coefficient of frost by defrosting the frost attached to the surface, but the former causes the heating operation to be stopped, and the latter is not only to improve the coefficient of coefficient but also requires extra energy.

한편 최근에는 대기 공해에 따른 환경오염의 저감과 에너지 비용의 절감이 사회문제로 대두됨으로써 특히 각 산업분야에서 상기 사회문제의 해결에 총력을 경주하고 있는 실정이고, 또한 삶의 질의 향상에 따라 항상 온수의 사용이 일반화되고 있다.On the other hand, in recent years, the reduction of environmental pollution and energy cost due to air pollution has emerged as a social problem, and in particular, all industries are striving to solve the above-mentioned social problems. The use of is becoming common.

상기한 주지된 제상기술 즉 역 사이클 운전 및 전열 히터의 부설에 따른 문제점을 시정하고, 무비용 열원에 의하여 성적계수를 향상한 공기 열원형 히트 펌프 시스템의 실외 열교환기의 제상 및 냉각 촉진구조에 대한 발명이 특허문헌 1 에 개시되어 있다. The defrosting and cooling acceleration structure of the outdoor heat exchanger of the air heat source heat pump system which corrects the problems caused by the above-mentioned well-known defrosting technology, namely, the reverse cycle operation and the installation of the electrothermal heater, and improves the grade coefficient by the non-heating heat source. The invention is disclosed in Patent Document 1.

상기한 특허문헌 1 의 공기 열원형 히트 펌프 시스템의 실외 열교환기의 제상 및 냉각 촉진구조는 압축기, 4 웨이 밸브, 실내 열교환기, 냉각용 팽창밸브, 가열용 팽창밸브, 실외 열교환기 및 상기 4 웨이 밸브를 냉매도관으로 순서대로 연결하고, 상기 4 웨이 밸브와 압축기를 냉매 흡입도관으로 연결한 기본 냉동회로와; 상기 냉매도관의 냉각용 및 가열용 팽창밸브 사이에 바이패스 냉매도관의 양단을 연결하여 상기 바이패스 냉매도관에 가열용 열교환기를 설치함과 아울러 상기 가열용 열교환기를 포위하여 설치하고, 내부에 열매체를 주입한 축열조와; 상기 축열조에 열매체 순환펌프를 부설한 열매체 공급관과 열매체 복귀관으로 연결하여 상기 실외 열교환기에 설치한 보조 열교환기와; 상기 열매체 공급관 및 열매체 복귀관에 열매체 순환펌프를 부설한 열매체 공급관과 열매체 복귀관으로 열교환기를 설치하고, 상기 열교환기의 주위에 무비용 열원 저장조를 설치한 실외 열교환기 제상 및 냉각수단을 포함하여 구성한 것이다.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. Injected heat storage tank; 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 in the heat medium supply pipe and the heat medium return pipe. will be.

상기한 공기 열원형 히트 펌프 시스템의 실외 열교환기의 제상 및 냉각 촉진구조는 무비용 열원 저장조에 공급되는 무비용 열원과 열교환기를 순환하는 열매체를 열교환하여 일정온도를 유지시켜 그 일정온도를 유지한 열매체를 실외 열교환기에 설치한 보조 열교환기에 순환시켜 가열운전시에는 실외 열교환기에 부착된 서리를 제상하고, 냉각운전시에는 실외 열교환기를 냉각함으로써 성적계수를 향상한 것이다.The defrosting and cooling facilitation structure of the outdoor heat exchanger of the air heat source heat pump system is a heat medium that maintains a constant temperature by maintaining a constant temperature by heat-exchanging the heat source circulating the heat source and the heat medium circulating in the heat source storage tank. 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 and to cool the outdoor heat exchanger during the cooling operation to improve the coefficient of performance.

그리고 상기와 같이 무비용 열원에 의하여 열매체를 가열할 때 무비용 열원의 발생이 없거나 작을 경우에는 축열조 내에 설치한 가열 열교환기를 경유하는 냉매액이 재응축될 때의 응축열에 의하여 가열된 열매체를 상기 보조 열교환기에 순환시킴으로써 가열 운전시에 성적계수를 양호하게 유지하며, 또한 상기 축열조는 실내 또는 실외 열교환기에서 토출되는 냉매액이 일정온도 이상일 경우 온도 센서의 검출 신호에 의하여 가열 열교환기를 바이패스시켜 냉각함으로써 온도를 낮추어 실내 또는 실외 열교환기에서의 냉매액의 증발을 양호하게 한 것이다.
When the heating medium is heated by the non-heating heat source as described above, if no heating source is generated or small, the heating medium heated by the condensation heat when the refrigerant liquid passing through the heating heat exchanger installed in the heat storage tank is recondensed. By circulating the heat exchanger to maintain good coefficients during heating operation, the heat storage tank by cooling by heating the heat exchanger by the detection signal of the temperature sensor when the refrigerant liquid discharged from the indoor or outdoor heat exchanger is a certain temperature or more By lowering the temperature, the evaporation of the refrigerant liquid in the indoor or outdoor heat exchanger is improved.

*[특허문헌 1] KR 10-0970870 (B1)
* [Patent Document 1] KR 10-0970870 (B1)

그러나 상기한 공기 열원형 히트 펌프 시스템의 실외 열교환기의 제상 및 냉각 촉진구조는 보조 열교환기와 실외 열교환기 제상 및 냉각수단을 결합할 때 보조 열교환기의 열매체 공급관과 열매체 복귀관에, 실외 열교환기 제상 및 냉각수단의 브라인(열매체) 공급관과 브라인(열매체) 복귀관을 연결하고, 상기 열매체 공급관과 브라인(열매체) 공급관에 각각 순환펌프와 솔레노이드 밸브를 설치하였음으로 그 구조가 복잡하고, 유로마찰이 커서 열매체의 순환이 원할하지 못한 것이다.However, the defrosting and cooling promotion structure of the outdoor heat exchanger of the air heat source heat pump system is based on the heat medium supply pipe and the heat medium return pipe of the auxiliary heat exchanger when the auxiliary heat exchanger and the outdoor heat exchanger defrosting and cooling means are combined. And a brine (heat medium) supply pipe and a brine (heat medium) return pipe of the cooling means, and a circulation pump and a solenoid valve are installed in the heat medium supply pipe and the brine (heat medium) supply pipe, respectively, so that the structure is complicated and the euro friction is large. The heat cycle is not desired.

그리고 실외 열교환기를 순환하는 냉매액 또는 냉매증기를 대기에 의하여 증발시키거나 응축시킬 때 공기 중에 포함된 열원(잠열)을 양호하게 이용하기 위하여 팬을 설치하는 강제 대류형 실외 열교환기를 사용하여야하며, 상기와 같이 강제 대류형 실외 열교환기에 설치한 보조 열교환기에 무비용 열원 저장조에서 열교환된 일정 온도(20℃ 내외)의 열매체(브라인)를 순환시키면서 팬을 구동하여 실외 열교환기에 부착한 서리를 제상시킬 때 팬의 흡인력 또는 압송력에 의하여 무비용 열원과 열교환된 열매체의 보유열이 대기 중으로 손실(방출)됨으로써 무비용 열원의 활용 효율이 낮고, 상기와 같이 무비용 열원의 활용효율이 낮으면 성적계수의 향상도 저조하게 되는 문제점이 있게 되는 것이다.A forced convection type outdoor heat exchanger installed with a fan must be used to use the heat source (latent heat) contained in the air well when evaporating or condensing the refrigerant liquid or refrigerant vapor circulating in the outdoor heat exchanger. When defrosting the frost attached to the outdoor heat exchanger by driving the fan while circulating the heat medium (Brine) of a certain temperature (about 20 ° C) heat exchanged in a heat-free heat source tank to an auxiliary heat exchanger installed in a forced convection outdoor heat exchanger as shown in FIG. As the retention heat of the heat medium heat-exchanged with the no-heat heat source by the suction force or the pressure of the heat is lost (discharged) to the air, the utilization efficiency of the no-heat heat source is low, and the utilization coefficient of the no-heat heat source is low as described above. There is also a problem that is poor.

본 발명은 상기한 문제점을 시정하여, 축열조와 제상 및 냉각수단의 구조를 간단하게 하고, 열매체의 순환을 원활하게 하며, 무비용 열원과 열교환된 열매체를 실외 열교환기에 순환시킬 때 무비용 열원의 활용효율을 높이고, 성적계수를 양호하게 향상할 수 있도록 한 공기 열원형 히트 펌프 시스템을 제공하는 것을 목적으로 한다.The present invention corrects the above problems, simplifies the structure of the heat storage tank, defrosting and cooling means, facilitates circulation of the heat medium, and utilizes the non-heat source when circulating the heat medium heat-exchanged with the heat source for the outdoor heat exchanger. It is an object of the present invention to provide an air heat source heat pump system capable of improving efficiency and improving the coefficient of performance.

본 발명의 다른 목적은 가열운전 또는 냉각운전시 항상 다목적 온수를 양호하게 생성할 수 있도록 한 공기 열원형 히트 펌프 시스템을 제공하는 것이다.
Another object of the present invention is to provide an air heat source heat pump system capable of producing good multi-purpose hot water at all times during a heating operation or a cooling operation.

상기한 목적을 달성하기 위하여, 본 발명은 압축기, 4 웨이 밸브, 실내 열교환기, 냉각용 팽창밸브, 가열용 팽창밸브, 실외 열교환기 및 상기 4 웨이 밸브를 냉매도관으로 순서대로 연결하고, 상기 4 웨이 밸브와 압축기를 냉매 흡입도관으로 연결한 기본 냉동 사이클과; 상기 냉매도관의 압축기와 4 웨이 밸브 사이에 설치한 온수 가열회로와; 상기 냉매도관의 냉각용 팽창밸브와 가열용 팽창밸브 사이에 냉매 바이패스도관을 연결하여 상기 냉매 바이패스도관에 응축기를 형성하고, 상기 응축기를 축열매체가 주입된 축열조로 포위하며, 상기 실외 열교환기에 보조 열교환기를 설치하여서, 상기 축열조와 보조 열교환기를 축열매체 순환펌프를 부설한 축열매체 공급관과 축열매체 복귀관으로 축열매체 폐순환회로가 형성되게 연결한 제상수단과; 상기 축열매체 공급관의 축열매체 순환펌프 후방에, 열매체도관의 양단을 연결하여서, 상기 열매체도관에 열교환기를 형성하고, 상기 열교환기에 무비용 열원 저장조를 형성함과 아울러 상기 제상수단에 형성되는 축열매체 폐순환회로와 결합하여 열매체 폐순환회로를 형성하여서, 상기 보조 열교환기에 열매체를 순환시키는 제상 및 냉각수단과; 상기 열매체도관의 열교환기의 출구측 및 냉매도관의 실외 열교환기와 4 웨이 밸브 사이에 설치한 성능 향상수단;을 포함하여 구성한 것이다.
In order to achieve the above object, 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; A refrigerant bypass conduit is connected between the cooling expansion valve and the heating expansion valve of the refrigerant conduit to form a condenser in the refrigerant bypass conduit, and the condenser is surrounded by a heat storage tank in which a heat storage medium is injected. A defrosting means having an auxiliary heat exchanger connected to the heat storage tank and the auxiliary heat exchanger such that a heat storage medium circulation circuit is formed by a heat storage medium supply pipe having a heat storage medium circulation pump and a heat storage medium return pipe; By connecting both ends of the heat medium conduit to the heat storage medium circulation pump of the heat storage medium supply pipe, a heat exchanger is formed in the heat medium conduit, a heat source storage tank for the heat exchanger is formed in the heat exchanger, and the heat storage medium waste circulation formed in the defrosting means. Defrosting and cooling means combined with a circuit to form a heat medium closed circulation circuit for circulating a heat medium in said auxiliary heat exchanger; And a performance improving means installed between the outlet side of the heat exchanger of the heat medium conduit and the outdoor heat exchanger and the 4-way valve of the refrigerant conduit.

이상과 같이 본 발명은 가열운전시 축열조에서 냉매액의 응축열에 의하여 가열된 축열매체를 실외 열교환기에 설치한 보조 열교환기에 순환시켜 실외 열교환기에 서리의 부착을 방지하거나 부착된 서리를 제상할 때 또는 가열운전 및 냉각 운전시 무비용 열원 저장조에서 무비용 열원과 열교환기를 순환하는 열매체를 열교환시켜 가열 또는 냉각시킨 후 그 가열 또는 냉각된 열매체를 상기 보조 열교환기에 순환시켜 상기와 같은 제상 등을 하거나 냉매가스를 응축시킬 때 실외 열교환기에 설치한 팬을 구동하여도 무비용 열원에 의하여 가열된 열매체에 의한 가열운전의 경우에는 열교환기에서 가열된 열매체를 성능 향상수단의 방열 열교환기에서 방출하여 온도를 저하 시킨 후 보조 열교환기를 순환시킴으로서 팬에 의하여 대기에 방출되는 열의 낭비를 방지함과 아울러 상기 방열 열교환기 방출열을 흡열겸 방열열교환기에 공급함으로써 실외 열교환기에서 증발된 습포화증기를 건포화 또는 과열증기화 할 수 있기 때문에 압축기의 액백 또는 액격을 방지하여 압축기의 손상을 방지함과 아울러 성적계수를 향상할 수 있는 것이다.As described above, the present invention circulates the heat storage medium heated by the condensation heat of the refrigerant liquid in the heat storage tank in the heat storage tank to the auxiliary heat exchanger installed in the outdoor heat exchanger to prevent frost from being attached to the outdoor heat exchanger or to defrost the frost attached thereto. During operation and cooling operation, the heat medium for circulating the heat source and the heat exchanger is heated or cooled in a heat-free storage tank for heat, and the heated or cooled heat medium is circulated to the auxiliary heat exchanger to perform defrost or the like as described above. In case of heating operation by heat medium heated by non-heating source even if driving fan installed in outdoor heat exchanger during condensation, after discharging the heat medium heated in heat exchanger from heat radiation heat exchanger of performance enhancing means to lower the temperature Bag of heat released to the atmosphere by the fan by circulating an auxiliary heat exchanger By preventing the rain and supplying the heat of the heat dissipating heat exchanger to the endothermic and heat dissipating heat exchanger, the wet-saturated steam evaporated from the outdoor heat exchanger can be dried or superheated. In addition to preventing damage, you can improve your score.

그리고 냉각운전의 경우에는 압축기에서 압축된 고온·고압의 냉매증기가 실외 열교환기에서 응축되기 전에 성능 향상수단의 흡열겸 방열 열교환기에서 1 차 응축된 후 실외 열교환기에서 재응축됨으로 냉매증기의 응축이 양호하기 때문에 이 또한 성적계수의 향상 요인이 되어 양호한 성능 향상을 할 수 있는 것이다. In the case of the cooling operation, the refrigerant vapor of the high temperature and high pressure compressed by the compressor is first condensed in the endothermic and radiant heat exchanger of the performance improving means before condensing in the outdoor heat exchanger, and then condensed in the outdoor heat exchanger. Since this is good, this is also a factor for improving the coefficient of performance, and thus can improve the performance.

또한 본 발명은 축열매체 폐순환회로와 열매체 폐순환회로를 간단한 구조로 결합함으로써 구조가 단순화되어 원가를 절감하고 시공이 간편하며, 그리고 특히 축열매체 및 열매체 순환시에 유로 저항이 적음으로 순환장애 없이 실외 열교환기의 제상 및 냉각을 양호하게 실시할 수 있는 것이다.In addition, the present invention is simplified by combining the heat storage medium circulation circuit and the heat medium circulation circuit in a simple structure to reduce the cost and easy construction, and in particular, the outdoor heat exchange without a circulation obstacle due to the low flow resistance during the heat storage medium and heat medium circulation Defrosting and cooling of group can be performed favorably.

그 뿐만 아니라 본 발명은 가열운전 또는 냉각운전과 동시에 항상 온수를 생성하여 다목적으로 사용함으로써 삶의 질을 더욱더 향상할 수 있는 것이다.In addition, the present invention is to improve the quality of life even more by using a multi-purpose to always produce hot water at the same time heating operation or cooling operation.

도 1 은 본 발명의 실시예의 구성도1 is a block diagram of an embodiment of the present invention

도 1 은 본 발명의 실시예의 구성도로서, 상기 도 1 에서, 10 은 기본 냉동 사이클이며, 상기 기본 냉동 사이클(10)은 압축기(11), 4 웨이 밸브(12), 실내 열교환기(13), 냉각용 팽창밸브(14), 가열용 팽창밸브(15), 실외 열교환기(16) 및 상기 4 웨이 밸브(12)를 냉매도관(17)으로 순서대로 연결하고, 상기 4 웨이 밸브(12)와 압축기(11)를 냉매 흡입도관(18)으로 연결한 것으로서, 상기 기본 냉동 사이클(10)은 공기 열원형을 기본으로 한다.1 is a block diagram of an embodiment of the present invention, in FIG. 1, 10 is a basic refrigeration cycle, the basic refrigeration cycle 10 is a compressor 11, a four-way valve 12, an indoor heat exchanger 13 The cooling expansion valve 14, the heating expansion valve 15, the outdoor heat exchanger 16, and the four-way valve 12 are sequentially connected to the refrigerant conduit 17, and the four-way valve 12 is connected. And the compressor 11 connected to the refrigerant suction conduit 18, the basic refrigeration cycle 10 is based on the air heat source type.

상기 온수 가열회로(20)는 상기 냉매도관(17)의 압축기(11)와 4 웨이 밸브(12) 사이에 설치하여 상기 기본 냉동 사이클(10)의 운전 즉 가열운전 또는 냉각운전과 동시에 항상 온수를 생성하여, 목욕 또는 급탕용으로 사용하거나 다른 복사열 발생수단으로서 상기 실내 열교환기(13)의 설치위치 또는 실내 열교환기(13)와 다른 위치에 설치되는 바닥부설 방열 코일, 라디에이터 및 팬 코일 유닛 등에 공급하여 난방 또는 건조용 등으로 사용하는 것이다.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.

상기 온수 가열회로(20)는 상기 냉매도관(17)의 압축기(17)와 4 웨이 밸브(12) 사이에 냉매증기 바이패스도관(21)의 양단을 일정간격으로 연결하여 상기 냉매증기 바이패스도관(21)에 응축기(21)를 설치하고, 상기 응축기(21)에 상기 응축기(21)와 열교환관계를 유지하도록 가열 열교환기(23)를 설치함과 아울러 상기 가열 열교환기(23)와 저탕조(24)를 공급관(25) 및 순환펌프(26)를 부설한 흡입관(25b)으로 연결하며, 상기 냉매증기 바이패스도관(21)의 입구와 상기 냉매도관(17)의 냉매증기 바이패스도관(21)의 양단 연결부 사이에 솔레노이드 밸브(27a)(27b)를 설치하여, 압축기(11)에서 압축된 고온·고압의 냉매증기를 냉매증기 바이패스도관(21)으로 흐르게 하면 그 냉매증기가 응축기(22)에서 응축되면서 그 웅축열에 의하여 가열 열교환기(23)를 흐르는 온수를 가열하여서 저탕조(24)에 저장하여 필요한 용도에 사용하는 것이다.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 21 is provided at the 21, a heating heat exchanger 23 is installed at the condenser 21 to maintain a heat exchange relationship with the condenser 21, and a heating tank and the heating bath 23 are disposed at the condenser 21. 24 is connected to a suction pipe 25b provided with a supply pipe 25 and a circulation pump 26, the inlet of the refrigerant vapor bypass conduit 21 and the refrigerant vapor bypass conduit of the refrigerant conduit 17 ( 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 heat exchanger 23 by the heat of the condensation It is stored in the storage tank 24 and used for a necessary use.

30 은 제상수단으로서, 상기 제상수단(30)은 상기 냉매도관(17)의 냉각용 팽창밸브(14)와 가열용 팽창밸브(15) 사이에 냉매 바이패스도관(31)을 일정 간격을 두고 연결하여 상기 냉매 바이패스도관(31)에 응축기(32)를 형성하고, 상기 응축기(32)를 축열매체가 주입된 축열조(33)로 포위하며, 상기 실외 열교환기(16)의 전열관 사이사이에 보조 열교환기(34)의 전열관을 설치하거나, 실외 열교환기(16)의 측면에 보조 열교환기(34)를 핀(fin)을 일체형으로하여 일체로 형성하거나, 실외 열교환기(16)의 측면에 별개의 보조 열교환기(34)를 설치하여서, 상기 축열조(33)와 보조 열교환기(34)를 축열매체 순환펌프(36)를 부설한 축열매체 공급관(35a)과 축열매체 복귀관(35b)으로 연결하여 축열매체 폐순환회로를 형성한 것이다. 30 is a defrosting means, and the defrosting means 30 connects the refrigerant bypass conduit 31 at regular intervals between the cooling expansion valve 14 and the heating expansion valve 15 of the refrigerant conduit 17. To form a condenser 32 in the refrigerant bypass conduit 31, surround the condenser 32 with a heat storage tank 33 into which a heat storage medium is injected, and assist between the heat transfer tubes of the outdoor heat exchanger 16. The heat exchanger tube of the heat exchanger 34 is installed, the auxiliary heat exchanger 34 is integrally formed on the side of the outdoor heat exchanger 16 by integrally fining, or is separately formed on the side of the outdoor heat exchanger 16. An auxiliary heat exchanger (34) of the heat storage tank (33) and the auxiliary heat exchanger (34) are connected to the heat storage medium supply pipe (35a) having the heat storage medium circulation pump (36) and the heat storage medium return pipe (35b). To form a closed circuit for the heat storage medium.

그리고 상기 냉매도관(17)과 냉매 바이패스도관(31)의 입구측 연결부에 통상시 냉매도관(17)으로 냉매액이 흐르도록 3 웨이 밸브(47)를 설치하고, 상기 냉매도관(17)의 가열운전시의 실내 열교환기(13)의 출구측에 온도센서(37)를 설치하여 실내 열교환기(13)의 출구측의 냉매액의 온도가 설정온도(예 35℃)이상일 때 3 웨이 밸브(47)를 냉매 바이패스도관(31) 측으로 전환 개방하여서 설정 온도 이상의 냉매액을 응축기(32)에서 응축시킴으로서 실외 열교환기(16)에 공급되는 냉매액의 비체적이 작아지는 것을 방지하여 성적 계수가 저하하는 것을 방지하고, 또한 상기 응축기(32)의 응축열에 의하여 축열매체를 가열하여 축열조(33)에 저장하였다가 가열운전시 실외 열교환기(16)의 제상시에 사용하는 것이다.And a three-way valve 47 is installed at the inlet side connection portion of the refrigerant conduit 17 and the refrigerant bypass conduit 31 so that the refrigerant liquid flows into the refrigerant conduit 17 normally. When the temperature sensor 37 is installed on the outlet side of the indoor heat exchanger 13 during the heating operation and the temperature of the refrigerant liquid on the outlet side of the indoor heat exchanger 13 is higher than the set temperature (eg 35 ° C.), the 3-way valve ( 47) is switched to the refrigerant bypass conduit 31 to condense the refrigerant liquid above the set temperature in the condenser 32 to prevent the specific volume of the refrigerant liquid supplied to the outdoor heat exchanger 16 from decreasing, resulting in a decrease in the coefficient of performance. The heat storage medium is heated by the condensation heat of the condenser 32 and stored in the heat storage tank 33 and used for defrosting the outdoor heat exchanger 16 during the heating operation.

40 은 제상 및 냉각수단으로서, 상기 제상 및 냉각수단(40)은 상기 축열매체 공급관(35a)의 축열매체 순환펌프(36)의 후방에, 열매체도관(43)의 양단을 일정 간격을 두고 연결하여서, 상기 열매체도관(43)에 열교환기(41)를 형성하고, 상기 열교환기(41)에 무비용 열원 저장조(42)를 형성함과 아울러 상기 제상수단(30)의 축열매체 폐순환회로 즉 보조 열교환기(34), 축열매체 복귀관(35b), 축열조(33), 축열매체 순환펌프(36) 및 축열매체 공급관(35a)과 결합하여 열매체 폐순환회로를 형성하며, 상기 열교환기(41) 등에는 열매체(에틸렌 글리콜 등과 같은 결빙 온도가 낮은 물질)를 주입하는 것이다.40 denotes defrosting and cooling means, and the defrosting and cooling means 40 is connected to both ends of the heat medium conduit 43 at regular intervals to the rear of the heat storage medium circulation pump 36 of the heat storage medium supply pipe 35a. The heat exchanger 41 is formed in the heat medium conduit 43, and the heat source storage tank 42 for the heat exchanger 41 is formed, and the heat storage medium closed circulation circuit of the defrosting means 30, that is, auxiliary heat exchange. Unit 34, heat storage medium return pipe 35b, heat storage tank 33, heat storage medium circulation pump 36, and heat storage medium supply pipe 35a to form a heat medium closed circulation circuit. It is to inject the heat medium (material having low freezing temperature such as ethylene glycol).

또한 상기 축열매체 공급관(35a)의 열매체도관(43)의 입구 연결부에 3 웨이 밸브(46)를 설치하여서, 축열조(33)에 설치한 온도센서(45a)와 무비용 열원 저장조(42)에 설치한 온도센서(45b)의 검출치가 높은쪽으로 3 웨이 밸브(46)를 전환 개방하여서, 즉 가열운전시 축열조(33)에서 가열된 축열매체의 온도가 높으면 그 축열매체를 보조 열교환기(34)에 순환시켜 실외 열교환기(16)를 제상하고, 열교환기(41)를 순환하면서 무비용 열원과 열교환되는 열매체의 온도가 높으면 그 열매체를 보조 열교환기(34)에 순환시켜 실외 열교환기(16)의 제상을 실시하는 것이다. 그리고 냉각운전시에는 열교환기(41)를 순환하면서 무비용 열원과 열교환되어 냉각되는 열매체는 보조 열교환기(34)에 순환시켜 실외 열교환기(16)의 냉각을 실시하는 것이다. In addition, a three-way valve 46 is provided at the inlet connection portion of the heat medium conduit 43 of the heat storage medium supply pipe 35a, and is installed in the temperature sensor 45a installed in the heat storage tank 33 and the heat source storage tank 42 for the film. When the three-way valve 46 is switched to open toward the higher detection value of one temperature sensor 45b, that is, when the temperature of the heat storage medium heated in the heat storage tank 33 is high during the heating operation, the heat storage medium is transferred to the auxiliary heat exchanger 34. When the outdoor heat exchanger 16 is circulated to defrost the heat exchanger 41 and the temperature of the heat medium to be heat-exchanged with the non-heat heat source is high, the heat medium is circulated to the auxiliary heat exchanger 34 to circulate the heat exchanger 41. It is to perform defrost. In the cooling operation, the heat medium that is exchanged with the heat source for cooling while circulating the heat exchanger 41 is circulated through the auxiliary heat exchanger 34 to cool the outdoor heat exchanger 16.

상기 무비용 열원 저장조(42)에 공급되는 열원은 강물, 바닷물, 채수된 지하수, 태양열 집열장치로서 집열한 유체(공기 또는 온수), 우수, 폐수 등의 재생 에너지를 사용함으로써 환경파괴를 방지한 것이며, 상기 무비용 열원의 온도는 가열운전시 특히 혹한기에는 높을수록 좋고, 냉각 운전시에는 25℃를 넘지 않는 것이 좋다.The heat source supplied to the unheated heat source storage tank 42 is to prevent environmental destruction by using renewable energy such as river water, sea water, groundwater collected, solar heat collecting device (air or hot water), rainwater, waste water, etc. The higher the temperature of the non-heating heat source is, the higher the temperature is particularly good in a cold operation, and the temperature is not to exceed 25 ° C in the cooling operation.

50 은 성능 향상수단으로서, 상기 성능 향상수단(50)은 상기 열매체 도관(43)의 열교환기(41) 출구측 및 냉매도관(17)의 실외 열교환기(16)와 4 웨이 밸브(12) 사이에 설치하여서, 가열운전시에는 열매체의 보유열에 의하여 압축기(11)에 흡입되는 습포화 증기를 가열하고, 냉각운전시에는 압축기(11)에서 압축된 고온·고압의 냉매증기가 실외 열교환기(16)에 공급되기 전에 1 차 냉각하는 것이다.50 is a performance improving means, wherein the performance improving means 50 is provided between the outlet of the heat exchanger 41 of the heat medium conduit 43 and the outdoor heat exchanger 16 and the 4-way valve 12 of the refrigerant conduit 17. In the heating operation, the wet saturated vapor sucked into the compressor 11 is heated by the heat of retaining of the heat medium, and during the cooling operation, the high-temperature / high-pressure refrigerant vapor compressed by the compressor 11 is heated in the outdoor heat exchanger 16. ) To be cooled first before being supplied.

상기 성능 향상수단(50)은 상기 열매체도관(43)의 열교환기(41)의 출구측에 방열 열교환기(51)를 설치하고, 상기 냉매도관(17)의 실외 열교환기(16)와 4 웨이 밸브(12) 사이에 상기 방열 열교환기(51)와 열교환관계를 유지하도록 흡열겸 방열 열교환기(52)를 설치한 것이다. The performance improving means (50) is provided with a heat dissipation heat exchanger (51) at the outlet side of the heat exchanger (41) of the heat medium conduit (43), and the 4-way heat exchanger (16) with the outdoor heat exchanger (16). An endothermic and heat dissipation heat exchanger 52 is installed between the valves 12 so as to maintain a heat exchange relationship with the heat dissipation heat exchanger 51.

그리고 상기 열매체도관(43)의 열교환기(41)의 출구측에 방열 열교환기(51)를 바이패스하는 바이패스도관(48)을 연결하고, 상기 열매체도관(43)의 바이패스 도관(48)의 입구측 연결부에 3 웨이 밸브(49)를 설치하여서, 가열운전시에는 열매체가 방열 열교환기(51)에 공급되도록 조작하고, 냉각운전시에는 열매체가 바이패스도관(48)으로 흐르게 함으로써 열매체의 가열을 방지함과 아울러 흡열겸 방열 열교환기(52)에서 냉매증기의 응축을 양호하게 한 것이다.A bypass conduit 48 for bypassing the heat dissipation heat exchanger 51 is connected to an outlet side of the heat exchanger 41 of the heat medium conduit 43, and the bypass conduit 48 of the heat medium conduit 43. A three-way valve 49 is provided at the inlet side connection of the heating medium so that the heating medium is supplied to the heat radiating heat exchanger 51 during the heating operation, and the heating medium flows into the bypass conduit 48 during the cooling operation. In addition to preventing heating, condensation of the refrigerant vapor in the endothermic and heat dissipating heat exchanger 52 is improved.

미설명부호 28a는 급수관이고, 28b는 온수 공급관이며, 61,62,63,64 는 체크 밸브이다. 그리고 상기 실외 열교환기(16)에는 흡입형 또는 압입형 팬(미도시)을 설치하여 냉매액의 증발과 냉매증기의 응축을 양호하게 한 것으로서, 이는 공기 열원형 히트 펌프에서 주지된 것이다.Reference numeral 28a is a water supply pipe, 28b is a hot water supply pipe, and 61, 62, 63, and 64 are check valves. In addition, 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.

이상과 같은 본 발명은 가열운전시에는 냉매를 도 1 의 화살표 실선으로, 냉각운전시에는 도 1 의 화살표 가상선으로 흐르도록 4 웨이 밸브(12)를 조작하여 실내 열교환기(13)는 가열운전시에는 응축기로, 냉각운전시는 증발기로 작용하게 하여 가열기능 및 냉각기능을 하는 것은 종래의 것과 동일하다.In the present invention as described above, 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. 1 during the heating operation and in the virtual line of the arrow in the cooling operation. 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.

상기와 같이 가열운전을 할 때 실외 열교환기(13)의 출구측의 냉매도관(17)에 설치한 온도센서(37)에서 검출되는 냉매액의 온도가 일정 온도(예 35℃) 이상이 되면 3 웨이 밸브(47)가 냉매 바이패스도관(31) 측으로 전환 개방됨으로써 냉매도관(17)을 순환하는 고온의 냉매액은 냉매 바이패스도관(31)으로 유입되어 응축기(32)를 경유하면서 재응축되면서 온도가 낮아진 후 실외 열교환기(16)에 공급됨으로 실외 열교환기(16)에서 냉매액의 증발이 양호하게 되고, 압축기(11)에서 냉매가스의 압축시 정상 온도를 유지할 수 있게 되는 것이며, 상기 온도센서(37)의 검출치가 일정 온도 이하이면 3 웨이 밸브(47)는 통상의 위치로 전환되어 냉매 바이패스도관(31)은 폐쇄되는 것이다.When the temperature of the coolant liquid detected by the temperature sensor 37 installed in the refrigerant conduit 17 on the outlet side of the outdoor heat exchanger 13 during the heating operation as described above becomes 3 or more (eg 35 ° C.) As the way valve 47 is switched to the refrigerant bypass conduit 31 and opened, the high temperature refrigerant liquid circulating in the refrigerant conduit 17 flows into the refrigerant bypass conduit 31 and recondenses through the condenser 32. Since the temperature is lowered and then supplied to the outdoor heat exchanger 16, the evaporation of the refrigerant liquid in the outdoor heat exchanger 16 becomes good, and the compressor 11 maintains a normal temperature when the refrigerant gas is compressed. If the detected value of the sensor 37 is below a certain temperature, the three-way valve 47 is switched to the normal position and the refrigerant bypass conduit 31 is closed.

한편 상기와 같이 냉매액의 응축열에 의하여 가열된 축열매체는 축열조(33)에 저장되었다가 가열운전시 외기 온도가 설정온도(예 10℃) 이하가 되거나 노점온도 이하로 하강되면 실외 열교환기(16)의 제상에 사용되는 것이다.On the other hand, the heat storage medium heated by the heat of condensation of the refrigerant liquid as described above is stored in the heat storage tank 33 and the outdoor heat exchanger 16 when the outside air temperature is lower than the set temperature (eg 10 ° C.) or lower than the dew point temperature during the heating operation. ) Is used for defrost.

그리고 상기와 같이 가열운전시에 외기온도가 설정온도(예 10℃) 이하가 되거나 노점온도 이하로 하강하면 축열조(33)에 저장된 축열매체와, 무비용 열원 저장조(32)에 공급되는 무비용 열원에 의하여 열교환기(41)를 순환하면서 열교환되는 열매체를 실외 열교환기(16)에 설치된 보조 열교환기(34)에 선택적으로 순환시켜 실외 열교환기(16)의 전열관 및 핀을 가열함으로써 서리가 부착되는 것을 방지하거나 부착된 서리를 제상하는 것이다.As described above, when the outside air temperature is lower than or equal to the set temperature (eg, 10 ° C.) or lower than the dew point temperature during the heating operation, the heat storage medium stored in the heat storage tank 33 and the non-heat heat source supplied to the non-thermal heat source storage tank 32. By circulating the heat exchanger 41 by means of circulating heat exchanger 41 selectively to the auxiliary heat exchanger 34 installed in the outdoor heat exchanger 16, the frost is attached by heating the heat pipes and fins of the outdoor heat exchanger 16. To prevent or defrost the frost attached.

상기한 축열매체와 열매체를 실외 열교환기(16)에 설치된 보조 열교환기(34)에 선택적으로 순환시키는 방법은 축열조(33)에 설치한 온도센서(45a)와 무비용 열원 저장조(32)에 설치한 온도센서(35b)의 검출치에 의하여 그 검출치가 높은쪽의 축열매체 또는 열매체가 보조 열교환기(34)에 순환되도록 3 웨이 밸브(46)를 전환 개방하여서, 즉 축열매체의 온도가 열매체의 온도보다 높을 경우에는 축열조(33)에 저장된 축열매체가 축열매체 공급관(35a)을 경유하여 축열매체 순환펌프(36)에 의하여 실외 열교환기(16)에 설치된 보조 열교환기(34)를 순환하면서 실외 열교환기(16)의 전열관 및 핀에 전열작용을 하여 제상 등을 한 후 축열매체 복귀관(35b)을 경유하여 축열조(33)에 되돌아 오는 축열매체 폐순환회로를 형성하고, 그리고 무비용 열원 저장조(42)에 저장된 무비용 열원의 온도가 축열조(33)에 저장된 축열매체의 온도보다 높을 경우에는 무비용 열원 저장조(32)에 공급되는 무비용 열원과 열교환기(41)에서 열교환되는 열매체는 실외 열교환기(16)에 설치된 보조 열교환기(34), 축열매체 복귀관(35b), 축열조(33), 축열매체 공급관(35a), 축열매체 순환펌프(36), 3 웨이 밸브(46) 및 열매체도관(43) 및 열교환기(41)에 의하여 형성되는 열매체 폐순환회로를 형성하면서 상기 축열매체와 동일한 요령으로 보조 열교환기(34)에서 제상 등을 하는 것이다.The method of selectively circulating the heat storage medium and the heat medium in the auxiliary heat exchanger 34 installed in the outdoor heat exchanger 16 may be installed in the temperature sensor 45a installed in the heat storage tank 33 and the heat source storage tank 32 for free use. The 3-way valve 46 is switched to open so that the heat storage medium or heat medium having the higher detection value is circulated to the auxiliary heat exchanger 34 by the detection value of the temperature sensor 35b, that is, the temperature of the heat storage medium is When the temperature is higher than the temperature, the heat storage medium stored in the heat storage tank 33 circulates through the auxiliary heat exchanger 34 installed in the outdoor heat exchanger 16 by the heat storage medium circulation pump 36 via the heat storage medium supply pipe 35a. After heat-transferring the heat transfer tube and fin of the heat exchanger 16 to perform defrosting, and then form a heat storage medium closed circulation circuit which returns to the heat storage tank 33 via the heat storage medium return pipe 35b, For movies stored in 42) When the temperature of the heat source is higher than the temperature of the heat storage medium stored in the heat storage tank 33, the heat source for heat transfer from the heat exchanger 41 and the non-heat heat source supplied to the heat-free storage source 32 for heat is installed in the outdoor heat exchanger 16. Auxiliary heat exchanger (34), heat storage medium return pipe (35b), heat storage tank (33), heat storage medium supply pipe (35a), heat storage medium circulation pump (36), 3-way valve (46) and heat medium conduit (43) and heat exchanger Defrosting and the like in the auxiliary heat exchanger 34 are carried out in the same manner as the heat storage medium while forming the heat medium closed circulation circuit formed by (41).

한편 냉각운전시에는 축열조(33)의 기능은 정지되는 반면에 열매체 폐순환 회로는 기능을 수행하며, 냉각운전시 외기온이 높은 혹서기 등에는 열매체 폐순환 회로는 상기 가열운전시와 동일하게 운전되며, 무비용 열원과 열교환되어 냉각된 열매체가 상기 가열운전시와 같이 보조 열교환기(34)에 순환되면 실외 열교환기(16)의 전열관 및 핀에 전열함으로써 냉매증기의 응축이 촉진되어 성적계수를 향상할 수 있는 것이다.On the other hand, during the cooling operation, the function of the heat storage tank 33 is stopped while the heat medium waste circulation circuit performs the function, and during the cold operation, the heat medium waste circulation circuit is operated in the same manner as in the heating operation. When the heat medium cooled by heat exchange with the heat source is circulated through the auxiliary heat exchanger 34 as in the heating operation, the heat transfer to the heat transfer tube and the fin of the outdoor heat exchanger 16 promotes the condensation of the refrigerant vapor, thereby improving the coefficient of performance. will be.

상기와 열매체 폐순환회로가 기능을 수행할 때 무비용 열원의 온도는 가열 운전시의 혹한기에는 높을수록 좋고, 냉각운전시는 25℃ 넘지 않는 것이 좋다.When the above and the heat medium circulation circuit performs a function, the temperature of the non-heat source for heat is better in cold weather during heating operation, and it is good not to exceed 25 degreeC in cooling operation.

상기와 같이 열교환기(41)에서 열교환된 열매체를 보조 열교환기(34)에 순환시킬 때 가열운전시에는 3 웨이 밸브(49)를 열매체가 방열 열교환기(51) 측으로 흐르도록 조작하면 방열 열교환기(51)를 경유하는 열매체는 그 보유열을 실외 열교환기(16)에서 증발된 후 흡열겸 방열 열교환기(52)를 경유하여 압축기(11)에 흡입되는 습포화 증기에 방열하여 그 온도가 낮아진 후 실외 열교환기(16)에 설치된 보조 열교환기(34)에서 방열됨으로 팬을 구동하여도 열매체의 보유열이 대기중으로 손실되는 것을 저감함으로 무비용 열원의 활용효율을 높이고 성적계수를 양호하게 향상할 수 있는 것이다. When the heat medium heat-exchanged in the heat exchanger 41 is circulated to the auxiliary heat exchanger 34, the 3-way valve 49 is operated so that the heat medium flows to the heat radiating heat exchanger 51 during the heating operation. The heat medium passing through (51) is evaporated from the outdoor heat exchanger (16), and then radiates to the wet vaporized steam sucked into the compressor (11) via the endothermic and heat radiating heat exchanger (52), thereby lowering its temperature. After the heat is dissipated in the auxiliary heat exchanger 34 installed in the outdoor heat exchanger 16, the heat retention of the heat medium is reduced to the atmosphere even when the fan is driven, thereby improving the utilization efficiency of the heat source for the non-heating and improving the coefficient of performance. It can be.

상기와 같이 실외 열교환기(16)에서 증발된 후 압축기(11)에 흡입되는 습포화 증기를 방열 열교환기(51)를 순환하는 열매체와 열교환하여 가열하여서 건 포화증기 또는 과열 증기화하면 압축기(11)에 액백 또는 액격이 발생 되는 것을 방지함으로써 압축기(11)의 신뢰성을 향상하고, 성적계수를 증진할 수 있는 것이다.As described above, when the saturated vapor or the superheated vapor is heated by heat-exchanging the wet saturated vapor which is evaporated in the outdoor heat exchanger 16 and sucked into the compressor 11 with the heat medium circulating through the heat radiating heat exchanger 51, the steam is saturated or dried. By preventing the liquid bag or liquid to be generated in the), it is possible to improve the reliability of the compressor (11) and improve the coefficient of performance.

그리고 상기와 같이 열교환기(41)에서 열교환된 열매체를 보조 열교환기(34)에 순환시킬 때의 냉각운전시에는 압축기(11)에서 압축된 고온·고압의 냉매증기가 실외 열교환기(16)에서 응축되기 전에 흡열겸 방열 열교환기(52)를 경유하면서 1 차 응축된 후 실외 열교환기(16)에서 재응축됨으로 냉매증기의 응축이 양호하기 때문에 이 또한 성적계수의 향상요인이 되는 것이다. 이 때 3 웨이 밸브(49)는 열매체가 바이패스도관(48)측으로 흐르도록 조작하여 흡열겸 방열 열교환기(52)의 방출열에 의하여 열매체가 가열되는 것을 방지함으로써 보조 열교환기(34)에 일정 온도 이하의 열매체만 순환되게 하여 냉매증기의 응축을 양호하게 한 것이다.As described above, during the cooling operation when the heat medium heat-exchanged in the heat exchanger 41 is circulated to the auxiliary heat exchanger 34, the high-temperature / high-pressure refrigerant vapor compressed by the compressor 11 is transferred to the outdoor heat exchanger 16. Since the condensation of the refrigerant vapor is good as it is condensed in the outdoor heat exchanger 16 after the first condensation while passing through the endothermic and heat dissipating heat exchanger 52 before condensation, this is also an improvement factor of the coefficient of performance. At this time, the three-way valve 49 is operated so that the heat medium flows to the bypass conduit 48 side, thereby preventing the heat medium from being heated by the heat of release of the endothermic and heat dissipating heat exchanger 52. Only the following heat medium is circulated to improve the condensation of the refrigerant vapor.

그리고 본 발명은 축열매체 공급관(35a)에만 축열매체 순환펌프(36)를 설치하고, 상기 축열매체 공급관(35a)에 열매체도관(43)의 양단을 연결하여서, 상기 열매체도관(43)과 열교환기(41) 및 제상수단(20)의 축열매체 폐순환회로 즉 보조 열교환기(34), 축열매체 복귀관(35b), 축열조(33), 축열매체 순환펌프(36) 및 축열매체 공급관(35a)을 결합하여 열매체 폐순환회로를 형성함으로써 구조가 단순화되어 원가를 절감하고, 열매체의 순환장애 없이 실외 열교환기의 제상 및 냉각 운전 등을 양호하게 실시할 수 있는 것이다. In the present invention, the heat storage medium circulation pump 36 is installed only in the heat storage medium supply pipe 35a, and both ends of the heat medium conduit 43 are connected to the heat storage medium supply pipe 35a, thereby providing the heat medium conduit 43 and the heat exchanger. (41) and the heat storage medium closed circulation circuit of the defrosting means 20, that is, the auxiliary heat exchanger 34, the heat storage medium return pipe 35b, the heat storage tank 33, the heat storage medium circulation pump 36, and the heat storage medium supply pipe 35a. By combining to form a heat medium circulation circuit, the structure is simplified to reduce the cost, it is possible to perform a good defrost and cooling operation of the outdoor heat exchanger without a circulation obstacle of the heat medium.

그리고 상기와 같이 가열운전 또는 냉각운전을 할 때에 온수를 생성하려고 할 경우에는 솔레노드 밸브(27a)는 개방하고 솔레노이드 밸브(27b)는 개방한 상태를 유지하거나 전부 폐쇄 또는 일부 폐쇄 상태를 유지하면 압축기(11)에서 압축된 고온·고압의 냉매증기의 전부 또는 일부는 냉매증기 바이패스도관(21)으로 흐르면서 응축기(22)에서 응축되면서 상기한 가열회로 또는 냉각회로를 흐르고, 응축기(22)에서 냉매증기가 응축될 때의 응축열을 가열 열교환기(23)를 흐르는 가열하려는 온수와 열교환하여 그 온수를 가열하여 공급관(25a)을 따라 저탕조(24)에 저장됨과 아울러 순환펌프(26)에 의하여 가열 열교환기(23)를 반복하여 흐르면서 상기 냉매증기의 응축열에 의하여 가열되는 것이다. 상기한 가열된 온수는 다목적 예를 들어 목욕용, 급탕용, 난방용, 건조용 등에 사용하는 것이다. 그리고 상기 솔레노이드 밸브(27a)(27b)의 개폐량은 온수의 생성량 또는 실내 열교환기(13)의 사용목적 등에 따라 조절할 수 있는 것이다.
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. It is heated by the heat of condensation of the refrigerant vapor while repeatedly flowing the heat exchanger (23). The heated hot water is used for multipurpose purposes such as bathing, hot water supply, heating, drying and the like. And 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).

10 : 기본 냉동 사이클, 20 : 온수 가열회로, 30 : 제상수단,
34 : 보조 열교환기, 40 : 제상 및 냉각수단, 41 : 열교환기,
42 : 무비용 열원 저장조, 50 : 성능 향상수단, 51 : 방열 열교환기,
52 : 흡열겸 방열 열교환기
10: basic refrigeration cycle, 20: hot water heating circuit, 30: defrosting means,
34: auxiliary heat exchanger, 40 defrosting and cooling means, 41 heat exchanger,
42: heat source storage tank for movie, 50: means for improving the performance, 51: heat dissipation heat exchanger,
52: endothermic and heat dissipation heat exchanger

Claims (4)

압축기, 4 웨이 밸브, 실내 열교환기, 냉각용 팽창밸브, 가열용 팽창밸브, 실외 열교환기 및 상기 4 웨이 밸브를 냉매도관으로 순서대로 연결하고, 상기 4 웨이 밸브와 압축기를 냉매 흡입도관으로 연결한 기본 냉동 사이클과; 상기 냉매도관의 압축기와 4 웨이 밸브 사이에 설치한 온수 가열회로와; 상기 냉매도관의 냉각용 팽창밸브와 가열용 팽창밸브 사이에 냉매 바이패스도관을 연결하여 상기 냉매 바이패스도관에 응축기를 형성하고, 상기 응축기를 축열매체가 주입된 축열조로 포위하며, 상기 실외 열교환기에 보조 열교환기를 설치하여서, 상기 축열조와 보조 열교환기를 축열매체 순환펌프를 부설한 축열매체 공급관과 축열매체 복귀관으로 축열매체 폐순환회로가 형성되게 연결한 제상수단과; 상기 축열매체 공급관의 축열매체 순환펌프 후방에 열매체도관의 양단을 연결하여서 상기 열매체 도관에 열교환기를 형성하고, 상기 열교환기에 무비용 열원 저장조를 형성함과 아울러 상기 제상수단에 형성되는 축열매체 폐순환회로와 결합하여 열매체 폐순환 회로를 형성하여서, 상기 보조 열교환기에 열매체를 순환시키는 제상 및 냉각수단과; 상기 열매체도관의 열교환기의 출구측 및 냉매도관의 실외 열교환기와 4 웨이 밸브 사이에 설치한 성능 향상수단;을 포함하여 구성한 히트 펌프 시스템
A compressor, a 4-way valve, an indoor heat exchanger, a cooling expansion valve, a heating expansion valve, an outdoor heat exchanger, and the 4-way valve are sequentially connected to the refrigerant conduit, and the 4-way valve and the compressor are connected to the refrigerant suction conduit. A basic refrigeration cycle; A hot water heating circuit disposed between the compressor of the refrigerant conduit and the 4-way valve; A refrigerant bypass conduit is connected between the cooling expansion valve and the heating expansion valve of the refrigerant conduit to form a condenser in the refrigerant bypass conduit, and the condenser is surrounded by a heat storage tank in which a heat storage medium is injected. A defrosting means having an auxiliary heat exchanger connected to the heat storage tank and the auxiliary heat exchanger such that a heat storage medium circulation circuit is formed by a heat storage medium supply pipe having a heat storage medium circulation pump and a heat storage medium return pipe; A heat exchanger is formed in the heat medium conduit by connecting both ends of the heat medium conduit behind the heat storage medium circulation pump of the heat storage medium supply pipe, and a heat source storage tank for the heat exchanger is formed, and the heat storage medium closed circulation circuit formed in the defrosting means; Defrosting and cooling means for combining to form a heat medium closed circulation circuit to circulate the heat medium in the auxiliary heat exchanger; A heat pump system including a performance improving means installed between the outlet side of the heat exchanger of the heat medium conduit and the outdoor heat exchanger of the refrigerant conduit and the 4-way valve.
제1항에 있어서, 온수 가열회로는 냉매도관의 압축기와 4 웨이 밸브 사이에 냉매증기 바이패스도관의 양단을 연결하여 상기 냉매증기 바이패스도관에 응축기를 설치하고, 상기 응축기에, 상기 응축기와 열교환관계를 유지하도록 가열 열교환기를 설치함과 아울러 상기 가열 열교환기와 저탕조를 공급관 및 순환펌프를 부설한 흡입관으로 연결한 히트 펌프 시스템
The hot water heating circuit of claim 1, wherein both ends of the refrigerant vapor bypass conduit are connected between the compressor and the four-way valve of the refrigerant conduit to install a condenser in the refrigerant vapor bypass conduit, wherein the condenser, heat exchanger with the condenser A heat pump system in which a heating heat exchanger is installed to maintain a relationship, and the heating heat exchanger and the reservoir are connected to a suction pipe provided with a supply pipe and a circulation pump.
제 1 항에 있어서, 성능 향상수단은 열매체도관의 열교환기 출구측에 방열 열교환기를 설치하고, 냉매도관의 실외 열교환기와 4 웨이 밸브 사이에 흡열겸 방열 열교환기를 상기 방열 열교환기와 열교환관계를 유지할 수 있도록 설치한 히트 펌프 시스템
The heat dissipation heat exchanger is installed at the heat exchanger outlet side of the heat medium conduit, and the endothermic and heat dissipation heat exchanger between the outdoor heat exchanger and the 4-way valve of the refrigerant conduit can maintain the heat exchange relationship with the heat dissipation heat exchanger. Installed heat pump system
제 3 항에 있어서, 열매체도관에 방열 열교환기를 바이패스하는 바이패스도관을 연결하고, 상기 열매체도관과 바이패스도관의 입구측 연결부에 3 웨이 밸브를 설치한 히트 펌프 시스템The heat pump system according to claim 3, wherein a bypass conduit for bypassing the heat dissipation heat exchanger is connected to the heat medium conduit, and a 3-way valve is provided at an inlet side connection of the heat medium conduit and the bypass conduit.
KR1020110048232A 2011-05-23 2011-05-23 Heat pump system KR101218546B1 (en)

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