KR100926808B1 - Heat pump type heating and cooling system for floor heating and hot water supply - Google Patents

Heat pump type heating and cooling system for floor heating and hot water supply Download PDF

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KR100926808B1
KR100926808B1 KR1020080125471A KR20080125471A KR100926808B1 KR 100926808 B1 KR100926808 B1 KR 100926808B1 KR 1020080125471 A KR1020080125471 A KR 1020080125471A KR 20080125471 A KR20080125471 A KR 20080125471A KR 100926808 B1 KR100926808 B1 KR 100926808B1
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heating
hot water
indoor unit
cooling
water supply
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박정식
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주식회사 강남
이성우
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    • 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
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems 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
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/04—Other domestic- or space-heating systems 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
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/02—Fluid distribution means
    • F24D2220/0242—Multiple way valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
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Abstract

본 발명은 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템에 관한 것으로, 실내의 냉난방과 상관없이 즉, 하절기와 동절기에 상관없이 항상 급탕수를 생산하고, 급탕수와 별개로 실내를 냉방 및 난방함을 목적으로 한다.

본 발명에 의한 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템은, 냉매를 고온고압으로 압축하는 압축기(1), 실외기(4), 냉매를 감압하는 팽창밸브(3), 실내를 냉난방하는 실내기(2), 냉매의 흐름방향을 제어하여 상기 압축기에 의해 압축된 냉매를 실외기 또는 실내기로 유도함으로써 상기 실내기를 통해 냉난방이 이루어지도록 하는 사방밸브(5a), 상기 실외기와 실내기 사이에 설치되어 냉매의 역류를 방지하는 역류방지밸브(5b), 상기 압축기의 토출측과 사방밸브의 사이에 직렬로 연결되어 상기 압축기에 의해 토출되는 고온고압의 냉매가 흐르는 급탕용 열교환기(10)와; 원수를 급탕수 탱크를 거쳐 상기 급탕용 열교환기에 공급하는 원수 공급관(20)과; 상기 급탕용 열교환기와 급탕수 탱크에 연결되어 상기 원수 공급관을 통해 공급되어 상기 급탕용 열교환기의 냉매와 열교환된 급탕수를 급탕수 탱크에 공급하는 급탕수 공급관(30)과; 바닥에 매설된 난방 배관과 상기 실내기에 연결되어 상기 실내기가 응축기로 사용될 때 상기 난방 배관에서 토출된 난방수를 상기 실내기에 연속 순환시켜 상기 난방 배관에 공급하는 난방수 순환관(50)과; 냉방을 위한 팬코일 유니트와 상기 실내기에 연결되어 상기 실내기가 증발기로 사용될 때 상기 팬코일 유니트에서 토출된 냉방수를 상기 실내기에 연속 순환시켜 상기 팬코일 유니트에 공급하는 냉방수 순환관(60)이 포함된다.

Figure R1020080125471

히트펌프, 고온수, 저온수, 열교환

The present invention relates to a heat pump type heating and cooling system capable of simultaneous hot water supplying with floor heating, regardless of the heating and cooling of the room, that is, regardless of summer and winter, always produces hot water, and cooling and heating the room separately from the hot water supply For the purpose of

The heat pump type air-conditioning system capable of simultaneously heating the floor with hot water according to the present invention includes a compressor (1) for compressing a refrigerant at high temperature and high pressure, an outdoor unit (4), an expansion valve (3) for reducing the refrigerant, and an indoor unit for heating and heating the room. (2), a four-way valve (5a) is provided between the outdoor unit and the indoor unit by controlling the flow direction of the refrigerant to guide the refrigerant compressed by the compressor to the outdoor unit or the indoor unit to perform cooling and heating through the indoor unit, A non-return valve (5b) for preventing backflow, a heat exchanger (10) for hot water supply, connected in series between the discharge side of the compressor and the four-way valve, in which a high-temperature high-pressure refrigerant discharged by the compressor flows; A raw water supply pipe 20 for supplying raw water to the hot water heat exchanger via a hot water tank; A hot water supply pipe 30 connected to the hot water supply heat exchanger and the hot water supply tank and supplied through the raw water supply pipe to supply the hot water that is heat exchanged with the refrigerant of the hot water heat exchanger to the hot water tank; A heating water circulation pipe 50 connected to the heating pipe embedded in the floor and the indoor unit and continuously circulating the heating water discharged from the heating pipe to the indoor unit when the indoor unit is used as a condenser; A cooling water circulation pipe (60) connected to the fan coil unit for cooling and the indoor unit to circulate the cooling water discharged from the fan coil unit to the indoor unit when the indoor unit is used as an evaporator is supplied to the fan coil unit. Included.

Figure R1020080125471

Heat pump, high temperature water, low temperature water, heat exchange

Description

바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템{HEAT PUMP AIR CONDITIONING SYSTEM FOR ENABLING FLOOR HEATING AND HOT-WATER SUPPLY AT THE SAME}HEAT PUMP AIR CONDITIONING SYSTEM FOR ENABLING FLOOR HEATING AND HOT-WATER SUPPLY AT THE SAME}

본 발명은 히트펌프식 냉난방 시스템에 관한 것으로서, 더욱 상세하게는 동절기와 하절기 상관없이 항상 고온 냉매와 열교환된 급탕수를 공급할 수 있으며 급탕수의 생산시 열교환기를 열원으로 하지 않고 압축기에서 토출되는 고온 냉매를 열원으로 하여 기기의 안정을 도모하고, 급탕수 공급과 동시에 실내를 냉난방할 수 있는 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템에 관한 것이다.The present invention relates to a heat pump type heating and cooling system, and more particularly, hot water can be always supplied to the hot water heat exchanged with the hot refrigerant regardless of winter and summer, and hot water discharged from the compressor without the heat exchanger as a heat source during the production of hot water. The present invention relates to a heat pump air-conditioning system capable of stabilizing equipment by supplying a heat source, and simultaneously supplying hot water and floor heating and hot water supply.

주지된 바와 같이 히트펌프식 냉난방 시스템은, 냉매의 선택적 양방향 흐름을 통해 난방계절 동안은 고압측(응축기)에서의 방출열을 활용하여 난방 및 온수를 제공하고 냉방계절 동안은 저압측(증발기)에서의 주변열 흡수를 활용하여 냉기를 제공할 수 있도록 된 시스템을 말한다.As is well known, the heat pump type heating and cooling system utilizes the heat emitted from the high pressure side (condenser) during the heating season through the selective bi-directional flow of the refrigerant to provide heating and hot water, and the low pressure side (evaporator) during the cooling season. It is a system that can provide cold air by utilizing the absorption of ambient heat.

이와 같은 히트펌프식 냉난방 시스템은 그 적용환경에 따라 다양한 구조로 응용되어 사용되고 있으나 기본적으로 압축기, 응축기, 팽창밸브 및 증발기 등 냉동 사이클을 이루는 4개의 기본 요소기기로 이루어져 있으며, 이러한 냉동 사이클의 구성에 냉매의 유동방향을 전환하여 냉방 또는 난방기기로의 선택적 활용이 가능토록 사방밸브를 더 포함하고 있다.The heat pump type air-conditioning system is used in various structures according to its application environment, but it basically consists of four basic elements that form a refrigeration cycle such as a compressor, a condenser, an expansion valve, and an evaporator. It further includes a four-way valve to selectively change the flow direction of the refrigerant to be used as cooling or heating equipment.

즉, 도 1에 도시된 바와 같이 종래의 일반적인 히트펌프식 냉난방 시스템은, 압축기(1), 실내기(2), 팽창밸브(3), 실외기(4) 등의 기본구성요소를 포함하여 이루어진 통상의 냉방 시스템과, 이러한 냉방 시스템에 있어 상기 팽창밸브(3)와 실외기(4) 사이 그리고 압축기(1)와 실내기(2) 사이에 선택적으로 포트를 전환하여 냉매의 순환방향을 전환시키기 위해 마련되는 사방밸브(5a)를 포함하여 이루어진다. 도면 중 미설명부호 5b는 실내기(2)와 실외기(4) 사이에 설치되어 냉매의 역류를 방지하는 역류방지밸브(5b)이고, 도면 부호 9는 어큐뮬레이터이다.That is, as shown in FIG. 1, a conventional heat pump type heating and cooling system according to the related art includes a basic component including a compressor 1, an indoor unit 2, an expansion valve 3, an outdoor unit 4, and the like. Cooling system and in this cooling system are provided for changing the circulation direction of the refrigerant by selectively switching ports between the expansion valve (3) and the outdoor unit (4) and between the compressor (1) and the indoor unit (2) It comprises a valve (5a). In the figure, reference numeral 5b denotes a non-return valve 5b installed between the indoor unit 2 and the outdoor unit 4 to prevent the backflow of the refrigerant, and reference numeral 9 denotes an accumulator.

이와 같이 구성된 히트펌프식 냉난방 시스템은, 압축-응축-팽창-증발 등의 일련의 냉방 사이클을 통해 통상의 난방기기로 활용되며, 사방밸브(5a)의 동작에 따른 냉매의 역순환에 따라 냉방기기로 활용되기도 한다.The heat pump type air-conditioning system configured as described above is utilized as a normal heating device through a series of cooling cycles such as compression, condensation, expansion, and evaporation, and is cooled by the reverse circulation of the refrigerant according to the operation of the four-way valve 5a. Also used as.

상기와 같은 히트펌프식 냉반방 시스템을 좀 더 구체적으로 살펴보면, 냉방 시 냉매가 실내기(2)내에서 증발하면서 주변의 열원을 흡수하는 흡열과정을 거친 후 실외기(4)에서 방열될 때, 상기 실내기(2)측의 흡열량을 이용하면 냉방기로 활용될 수 있는 것이고, 이와는 달리 사방밸브(5a)의 조작에 의해 냉매의 흐름방향이 냉방시와는 역으로 전환되는 경우에는 상기 냉방시의 실내기(2)가 응축기로 활용되고 실외기(4)가 증발기로 활용되기 때문에 실내기(2)에의 방출열량을 이용하면 난방기기로 활용할 수 있게 되는 것이다. 즉, 냉동시에는 저압측 증발기에서의 흡열량을 이용하고, 난방시에는 고압측 응축기에서의 방출열량을 이용하는 것이다.Looking at the heat pump type cold half system as described above in more detail, when the refrigerant is radiated in the outdoor unit (4) after undergoing an endothermic process of absorbing the surrounding heat source while evaporating in the indoor unit (2), the indoor unit If the endothermic amount on the (2) side is used, it can be utilized as a cooler. On the contrary, when the flow direction of the coolant is reversed from the cooling time by the operation of the four-way valve 5a, the indoor unit at the time of cooling ( Since 2) is used as a condenser and the outdoor unit 4 is used as an evaporator, the amount of heat emitted to the indoor unit 2 can be used as a heating device. In other words, the endothermic amount of the low pressure side evaporator is used for freezing, and the amount of heat released from the high pressure side condenser is used for heating.

그러나 상기와 같은 구성과 작동원리를 갖는 종래의 일반적인 히트펌프식 냉난방 시스템에는 별도의 온수공급수단이 마련되어 있지 않기 때문에, 냉방기로 활용되는 하절기나 환절기에 온수를 제공받기 위해서는 별도로 보일러를 가동시켜야 하므로 경제적 측면에서 효율적이지 못하다는 문제가 있다.However, in the conventional general heat pump type heating and cooling system having the above-described configuration and operation principle, since a separate hot water supply means is not provided, a boiler must be operated separately in order to receive hot water in a summer or a season used as a cooler. There is a problem that is not efficient in terms of.

더욱이, 히트펌프식 냉난방 시스템이 냉방기기로 활용될 경우에 증발기를 통해 흡수된 열량을 충분히 재사용할 수 있음에도 불구하고 응축기를 통해 그대로 방열되어 폐기되므로 에너지의 효율적 이용이라는 관점에서 보면 매우 비경제적인 것이다.Moreover, even when the heat pump type air-conditioning system is utilized as a cooling device, even though the heat absorbed through the evaporator can be sufficiently reused, it is uneconomical in terms of efficient use of energy since it is radiated and disposed of as it is through the condenser.

이러한 문제점을 해결하기 위하여 히트펌프식 냉난방 시스템이 냉방기기로 활용되는 경우의 실내기와 실외기 사이에 관로를 흐르는 냉매의 열원을 이용하여 물의 온도를 상승시킬 수 있는 온수공급장치를 마련하여, 냉방시스템으로 활용되는 하절기 또는 환절기에도 온수를 제공할 수 있는 기술이 제안된 바 있다.In order to solve this problem, by providing a hot water supply device that can raise the temperature of the water by using a heat source of the refrigerant flowing through the pipe between the indoor unit and the outdoor unit when the heat pump type air-conditioning system is used as a cooling device, It has been proposed a technology that can provide hot water even in the summer or the season used.

그러나, 종래 온수공급장치는 실내기와 실외기를 통과하는 냉매의 열을 열원으로 온수를 생산하기 때문에 실내의 난방 효율이 떨어지고 이를 해결하기 위하여 압축기의 운전율을 높이는 등의 문제점이 있다.However, in the conventional hot water supply device, since hot water is produced by using heat of a refrigerant passing through the indoor unit and the outdoor unit as a heat source, the heating efficiency of the indoor unit decreases and the operation rate of the compressor is increased to solve this problem.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 동절기와 하절기 상관없이 기기를 안정적으로 가동하면서 급탕수를 생산할 수 있는 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템을 제공하는데 그 목적이 있다. An object of the present invention is to provide a heat pump type heating and cooling system capable of simultaneously heating water with floor heating capable of producing hot water while stably operating the device regardless of winter and summer.

그리고, 본 발명의 다른 목적은 실내를 난방하기 위한 실내측 열교환기의 냉매에 온도 변화를 주지 않고 계절에 상관없이 고온의 냉매를 공급하는 압축기측에서 열원을 확보하여 기기를 안정적으로 가동하면서 급탕수를 공급하고, 급탕수의 생산과 동시에 실내를 냉난방하려는데 있다.In addition, another object of the present invention is to secure a heat source on the compressor side for supplying a high temperature refrigerant regardless of the season without changing the temperature of the refrigerant of the indoor side heat exchanger for heating the room while operating the device stably It is to supply air, and to heat the room simultaneously with the production of hot water.

전술한 바와 같은 목적을 달성하기 위한 본 발명에 의한 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템은, 압축기의 토출측과 사방밸브 사이에 직렬로 연결되어 상기 압축기에 의해 토출되는 고온고압의 냉매가 흐르는 급탕용 열교환기와; 원수를 급탕수 탱크를 거쳐 상기 급탕용 열교환기에 공급함으로써 냉매와 열교환시켜 급탕수를 급탕수 탱크에 공급하는 급탕수 공급관과; 바닥에 매설된 난방 배관과 실내기에 연결되어 상기 실내기가 응축기로 사용될 때 난방 배관에서 토출된 난방수를 상기 실내기에 연속 순환시켜 상기 난방 배관에 공급하는 난방수 순환관과; 냉방을 위한 팬코일 유니트와 상기 실내기에 연결되어 상기 실내기가 증발기로 사용될 때 상기 팬코일 유니트에서 토출된 냉방수를 상기 실내기에 연속 순환시켜 상기 팬코일 유니트에 공급하는 냉방수 순환관을 포함하는 것을 특징으로 한다.In the heat pump type heating and cooling system capable of simultaneous hot water supply and floor heating according to the present invention for achieving the above object, the high temperature and high pressure refrigerant discharged by the compressor is connected in series between the discharge side of the compressor and the four-way valve. A flowing hot water heat exchanger; A hot water supply pipe for supplying hot water to the hot water supply tank by exchanging raw water with the refrigerant by supplying raw water to the hot water heat exchanger; A heating water circulation pipe connected to a heating pipe embedded in a floor and an indoor unit, and configured to continuously circulate the heating water discharged from the heating pipe to the indoor unit when the indoor unit is used as a condenser and to supply the heating pipe to the indoor unit; And a cooling water circulation pipe connected to the fan coil unit for cooling and the indoor unit to circulate the cooling water discharged from the fan coil unit to the indoor unit when the indoor unit is used as an evaporator to supply the fan coil unit. It features.

본 발명에 따른 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템에 의하면, 압축기에서 토출된 고온의 냉매로부터 고온의 열원을 확보하여 이 열원을 통하여 급탕수를 생산하며, 압축기에서 토출된 냉매는 냉방과 난방시 모두 고온을 유지하므로 열교환기에 부담을 주지 않고 동절기와 하절기 모두 급탕수를 공급할 수 있다. 결과적으로 고온의 냉매를 토출하는 압축기측에서 고온의 열원을 확보하여 열교환기의 냉매로부터 열원을 빼앗지 않기 때문에 열교환기를 통과하는 고온 냉매의 열을 손실없이 실내에 공급할 수 있으므로 난방효율을 높일 수 있다.According to the heat pump type heating and cooling system capable of simultaneously heating the floor according to the present invention, the hot water is secured from the high temperature refrigerant discharged from the compressor to produce hot water supply through the heat source, and the refrigerant discharged from the compressor is cooled. Hot and cold water can be supplied in both winter and summer without burdening the heat exchanger. As a result, since a high temperature heat source is secured on the compressor side that discharges the high temperature refrigerant, and the heat source is not removed from the refrigerant of the heat exchanger, heat of the high temperature refrigerant passing through the heat exchanger can be supplied to the room without loss, thereby improving heating efficiency.

그리고, 급탕수를 항상 제공하면서 실내를 냉방 및 난방하므로 냉난방 시스템의 효용성을 높일 수 있고 신뢰성을 향상할 수 있다.In addition, since the room is cooled and heated while always providing hot water, the utility of the air conditioning system can be improved and reliability can be improved.

도 2에서 보이는 것처럼, 본 발명에 따른 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템은, 냉매를 고온고압으로 압축하는 압축기(1), 실외에 배치되는 실외기(4), 실내를 냉난방하는 실내기(2), 실외기(4) 또는 실내기(2)를 통과한 냉매를 감압하는 팽창밸브(3), 냉매의 흐름방향을 제어하여 압축기(1)에 의해 압축된 냉매를 실외기(4) 또는 실내기(2)로 유도함으로써 실내기(2)를 통해 실내의 냉난방이 이루어지도록 하는 사방밸브(5a), 실외기(4)와 실내기(2) 사이에 설치되어 냉매의 역류를 방지하는 역류방지밸브(5b)를 포함한다.As shown in Fig. 2, the heat pump type heating and cooling system capable of simultaneously heating the floor according to the present invention includes a compressor (1) for compressing a refrigerant at high temperature and high pressure, an outdoor unit (4) arranged outdoors, and an indoor unit for heating and cooling the room. (2), an expansion valve (3) for reducing the refrigerant passing through the outdoor unit (4) or the indoor unit (2), and the refrigerant compressed by the compressor (1) by controlling the flow direction of the refrigerant to the outdoor unit (4) or the indoor unit ( 2) the four-way valve (5a) for the cooling and cooling of the room through the indoor unit (2) by the guide, and installed between the outdoor unit (4) and the indoor unit (2) to prevent the backflow of the refrigerant (5b) Include.

전술한 히트펌프 사이클의 구성요소는 기존과 동일하므로 구체적인 설명을 생략한다.Since the components of the above-described heat pump cycle are the same as before, a detailed description thereof will be omitted.

본 발명은 실내의 냉난방과 상관없이 항상 급탕수를 제공할 수 있도록 급탕용 열교환기(10), 원수 공급관(20), 급탕수 공급관(30) 및 급탕수 탱크(40)가 갖추어진다.In the present invention, the hot water supply heat exchanger 10, the raw water supply pipe 20, the hot water supply pipe 30, and the hot water supply tank 40 are provided so that hot water is always provided regardless of the indoor heating and cooling.

급탕용 열교환기(10)는 압축기(1)의 토출측과 사방밸브(5a) 사이에는 항상 압축기(10)에 의해 고온고압으로 압축된 냉매가 흐르는 점에 착안하여 압축기(1)의 토출측과 사방밸브(5a) 사이에 직렬로 연결되며(여기서, 직렬은 압축기(1)에서 토출된 냉매가 급탕용 열교환기(10)를 거쳐 사방밸브(5a)로 흐르도록 연결된 것을 말함), 이에 따라 냉매가 압축기(1) - 급탕용 열교환기(10) - 사방밸브(5a)의 순으로 흐르도록 한다.The hot water heat exchanger for hot water supply 10 is a discharge valve of the compressor 1 and a four-way valve, paying attention to the fact that a refrigerant compressed at high temperature and high pressure by the compressor 10 always flows between the discharge side of the compressor 1 and the four-way valve 5a. (A series means that the refrigerant discharged from the compressor 1 flows through the hot water heat exchanger 10 to the four-way valve 5a), and thus the refrigerant is connected to the compressor 5a. (1)-Hot water heat exchanger (10)-Four-way valve (5a) in order to flow.

급탕용 열교환기(10)는 내부에 서로 구획된 2개의 유로가 형성된 구조일 수 있으며, 상기 2개의 유로를 따라 냉매와 원수가 각각 흐르면서 서로 열교환이 이루어지도록 한다.The heat exchanger 10 for hot water supply may have a structure in which two flow paths separated from each other are formed, and the refrigerant and the raw water flow along the two flow paths to allow heat exchange to each other.

원수 공급관(20)은 급탕용 열교환기(10)의 원수측 유로의 유입단과 급탕수 탱크(40)에 관이음되어 급탕수 탱크(40) 내의 원수를 급탕용 열교환기(10)에 투입한다.The raw water supply pipe 20 is piped to the inlet end of the raw water side flow path of the hot water supply heat exchanger 10 and the hot water supply tank 40 to feed the raw water in the hot water supply tank 40 to the hot water heat exchanger 10.

급탕수 공급관(30)은 양측이 각각 급탕용 열교환기(10)의 원수측 유로의 출구단과 급탕수 탱크(40)에 관이음되어 급탕용 열교환기(10)를 통과하면서 고온 냉매와 열교환되어 온도가 상승한 급탕수를 급탕수 탱크(40)로 안내한다.The hot water supply pipe 30 is connected to the outlet end of the raw water side flow path of the hot water heat exchanger 10 and the hot water tank 40 by heat exchange with the high temperature refrigerant while passing through the hot water heat exchanger 10. The hot water is raised to guide the hot water tank (40).

본 발명은 급탕수를 제공함과 아울러 실내 바닥을 난방할 수 있도록 구성됨을 특징으로 하며, 난방수 순환관(50)과 냉방수 순환관(60)을 통해 열교환수가 실내기(2)의 냉매와 열교환하여 바닥에 매설된 난방 배관(53)과 실내의 냉방을 위한 팬코일 유니트(63)에 난방수와 냉방수를 공급한다.The present invention is characterized in that it is configured to provide a hot water and to heat the indoor floor, heat exchange water through the heating water circulation pipe 50 and the cooling water circulation pipe (60) heat exchange with the refrigerant of the indoor unit (2) Heating water and cooling water are supplied to the heating pipe 53 embedded in the floor and the fan coil unit 63 for cooling the room.

난방수 순환관(50)은 난방수 회수관(51), 난방수 공급관(52)으로 구성된다.The heating water circulation pipe 50 is composed of a heating water recovery pipe 51 and a heating water supply pipe 52.

난방수 회수관(51)은 난방 배관(53)의 토출단과 실내기(2)의 유입단(실내기(2)를 통과하는 냉매와 열교환될 수 있도록 구성되어 난방수가 흐르는 유로의 입구단)에 연결되어 난방 배관(53)을 순환하여 토출된 난방수를 실내기(2)에 공급한다.The heating water recovery pipe 51 is connected to the discharge end of the heating pipe 53 and the inlet end of the indoor unit 2 (which is configured to exchange heat with the refrigerant passing through the indoor unit 2 and the inlet end of the flow path through which the heating water flows). The heating water discharged by circulating the heating pipe 53 is supplied to the indoor unit 2.

난방수 공급관(52)은 실내기(2)의 토출단과 난방 배관(53)의 유입단에 유체 연통 가능하게 관이음되어 실내기(2)를 통과하여 온도가 상승된 난방수를 난방 배관(53)에 공급한다. The heating water supply pipe 52 is connected to the discharge end of the indoor unit 2 and the inlet end of the heating pipe 53 so as to be in fluid communication, and passes the indoor unit 2 to supply the heating water whose temperature rises to the heating pipe 53. Supply.

즉, 난방수는 실내기(2) - 난방수 공급관(52) - 난방 배관(53) - 난방수 회수관(51)을 연속 순환하면서 바닥을 난방한다.That is, the heating water heats the floor while continuously circulating the indoor unit (2)-the heating water supply pipe (52)-the heating pipe (53)-the heating water recovery pipe (51).

냉방수 순환관(60)은 예컨대 팬코일 유니트(63)에서 토출된 냉방수를 실내기(2)으로 회수하는 냉방수 회수관(61) 및 냉방수 회수관(61)을 통해 공급되어 실내기(2)의 냉매와 열교환된 저온의 냉방수를 팬코일 유니트(63)에 공급하는 냉방수 공급관(62)으로 구성된다.The cooling water circulation pipe 60 is supplied through, for example, a cooling water recovery pipe 61 and a cooling water recovery pipe 61 for recovering the cooling water discharged from the fan coil unit 63 to the indoor unit 2. It is composed of a cooling water supply pipe 62 for supplying low-temperature cooling water heat exchanged with the refrigerant of the fan to the fan coil unit (63).

냉방수 회수관(61)과 냉방수 공급관(62)은 난방수 회수관(51) 및 난방수 공급관(52)과 별도로 실내기(2)에 연결될 수도 있지만, 실내기(2)의 구조를 단순화하기 위하여 난방수 회수관(51) 및 난방수 공급관(52)에 각각 연결되어 실내기(2)에 형성된 유로를 공유한다.The cooling water recovery pipe 61 and the cooling water supply pipe 62 may be connected to the indoor unit 2 separately from the heating water recovery pipe 51 and the heating water supply pipe 52, but to simplify the structure of the indoor unit 2. It is connected to the heating water recovery pipe 51 and the heating water supply pipe 52, respectively, and shares a flow path formed in the indoor unit 2.

즉, 냉방수 회수관(61)과 난방수 회수관(51)의 연결부, 냉방수 공급관(62)과 난방수 공급관(52)의 연결부에는 밸브(V1,V2)가 설치되어 냉방과 난방이 선택적으로 이루어지도록 구성된다.That is, valves V1 and V2 are installed at the connection portion between the cooling water recovery pipe 61 and the heating water recovery pipe 51, and the connection portion between the cooling water supply pipe 62 and the heating water supply pipe 52. It is configured to be made.

도면 중 미 설명 부호 54와 64는 난방수와 냉방수를 각각 펌핑하는 펌프이고, C는 펌프(54,64)의 온/오프를 제어하는 제어기이다.In the drawings, reference numerals 54 and 64 denote pumps for pumping heating water and cooling water, respectively, and C denotes a controller for controlling on / off of the pumps 54 and 64.

이와 같이 구성된 본 발명에 의한 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템의 작용은 다음과 같다.The action of the heat pump type heating and cooling system capable of simultaneous hot water supply and floor heating according to the present invention is as follows.

1. 급탕1. Hot water

압축기(1)에 의해 고온고압으로 압축된 냉매는 사방밸브(5a)을 거쳐 실내기(2) 또는 실외기(4)에 공급되기 전에 급탕용 열교환기(10)를 거치게 된다. The refrigerant compressed by the compressor 1 at high temperature and high pressure passes through the hot water heat exchanger 10 before being supplied to the indoor unit 2 or the outdoor unit 4 via the four-way valve 5a.

한편, 원수는 급탕수 탱크(40)에 유입되고, 급탕수 탱크(40)내의 원수는 원수 공급관(20)을 통해 급탕용 열교환기(10)에 투입된다.On the other hand, the raw water is introduced into the hot water supply tank 40, the raw water in the hot water supply tank 40 is introduced into the hot water heat exchanger 10 through the raw water supply pipe (20).

급탕용 열교환기(10)에서는 고온의 냉매와 원수가 통과하며, 이 과정에서 냉매와 원수가 열교환하여 원수의 온도가 상승함에 따라 급탕수가 생성된다. 급탕수는 급탕수 공급관(30)을 통해 급탕수 탱크(40)에 저장된다.In the hot water heat exchanger 10, the hot refrigerant and the raw water pass through, and in this process, the hot water is generated as the refrigerant and the raw water heat exchange to increase the temperature of the raw water. The hot water supply water is stored in the hot water supply tank 40 through the hot water supply pipe 30.

즉, 본 발명은 사방밸브(5a)를 통해 실내를 난방하거나 냉방하도록 냉매의 흐름을 제어할 때, 즉, 압축기(1)에 의해 고온고압으로 상변화된 냉매가 실내기(2) 또는 실외기(4)에 선택적으로 공급되더라도 급탕용 열교환기(10)에는 항상 고온의 냉매가 통과하므로 실내의 냉방과 난방에 상관없이 항상 급탕수를 생산할 수 있다.That is, according to the present invention, when the flow of the refrigerant is controlled to heat or cool the room through the four-way valve 5a, that is, the refrigerant phase-changed to the high temperature and high pressure by the compressor 1 is the indoor unit 2 or the outdoor unit 4. Even if it is selectively supplied to the hot water supply heat exchanger (10) always passes through the high-temperature refrigerant can be produced hot water regardless of the cooling and heating of the room at all times.

2. 난방2. Heating

냉매는 압축기(1) - 사방변(5a) - 실내기(2) - 팽창변(3) - 실외기(4)를 순환하며, 이때, 실내기(2)는 응축기로서 고온의 냉매가 통과하고, 실외기(4)는 증발기의 기능을 수행한다. 난방모드를 선택하면, 도 2에서 보이는 것처럼, 밸브(V1,V2)에 의해 냉방수 공급관(60)은 폐쇄되고 난방수 공급관(50)만 개방된다. The refrigerant circulates through the compressor (1)-the four sides (5a)-the indoor unit (2)-the expansion valve (3)-the outdoor unit (4), wherein the indoor unit (2) is a condenser, the high-temperature refrigerant passes through, the outdoor unit (4) ) Performs the function of an evaporator. When the heating mode is selected, as shown in FIG. 2, the cooling water supply pipe 60 is closed and only the heating water supply pipe 50 is opened by the valves V1 and V2.

난방용 펌프(54)가 가동하면 난방수 회수관(51)을 통해 난방 배관(53) 내의 난방수가 실내기(2)에 투입되어 실내기(2) 내의 고온의 냉매와 열교환함으로써 온도가 상승한다.When the heating pump 54 operates, the heating water in the heating pipe 53 is introduced into the indoor unit 2 through the heating water recovery pipe 51, and the temperature is increased by heat exchange with the high temperature refrigerant in the indoor unit 2.

이 난방수는 난방수 공급관(52)을 통해 난방 배관(53)에 공급되어 난방 배관(53)을 순환하면서 실내 바닥을 난방한다.The heating water is supplied to the heating pipe 53 through the heating water supply pipe 52 to circulate the heating pipe 53 to heat the indoor floor.

3. 냉방3. Cooling

냉매가 압축기(1) - 사방변(5a) - 실외기(4) - 팽창변(3) - 실내기(2)를 순환하며, 실내기(2)는 저온의 냉매가 통과하여 증발기의 기능을 수행하고 실외기(4)는 응축기의 기능을 수행한다. 냉방모드를 선택하면, 도 3에서 보이는 것처럼, 밸브(V1,V2)에 의해 난방수 공급관(50)은 폐쇄되고 냉방수 공급관(60)만 개방된다. The refrigerant circulates through the compressor (1)-four sides (5a)-outdoor unit (4)-expansion valve (3)-indoor unit (2), and the indoor unit (2) passes the low temperature refrigerant to perform the function of the evaporator and the outdoor unit ( 4) performs the function of a condenser. When the cooling mode is selected, as shown in FIG. 3, the heating water supply pipe 50 is closed by the valves V1 and V2 and only the cooling water supply pipe 60 is opened.

냉방용 펌프(64)가 가동하면 냉방수 회수관(61)을 통해 팬코일 유니트(63)를 순환한 냉방수가 실내기(2)에 투입되어 실내기(2) 내의 저온의 냉매와 열교환함으로써 온도가 낮아진다.When the cooling pump 64 is operated, the cooling water circulated through the fan coil unit 63 through the cooling water recovery pipe 61 is introduced into the indoor unit 2, and the temperature is lowered by heat exchange with the low temperature refrigerant in the indoor unit 2. .

이 냉방수는 냉방수 공급관(62)을 통해 팬코일 유니트(63)에 공급되어 팬코 일 유니트(63)를 순환하면서 공기와 열교환됨으로써 이 공기에 의해 실내가 냉방되도록 한다.The cooling water is supplied to the fan coil unit 63 through the cooling water supply pipe 62 to heat the air while circulating the fan coil unit 63 so that the room is cooled by the air.

도 1은 종래 기술에 의한 히트펌프 시스템의 구성도.1 is a block diagram of a heat pump system according to the prior art.

도 2와 도 3은 각각 본 발명에 따른 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템의 작동도로서,2 and 3 is an operation diagram of a heat pump type heating and cooling system capable of simultaneous heating and floor heating according to the present invention, respectively,

도 2는 난방시이며,2 is a heating time,

도 3은 냉방시이다.3 is a cooling time.

< 도면의 주요 부분에 대한 부호 설명><Description of Signs for Main Parts of Drawings>

10 : 급탕용 열교환기, 20 : 원수 공급관10: heat exchanger for hot water supply, 20: raw water supply pipe

30 : 급탕수 공급관, 40 : 급탕수 탱크30: hot water supply pipe, 40: hot water supply tank

50 : 난방수 순환관, 60 : 냉방수 순환관50: heating water circulation pipe, 60: cooling water circulation pipe

Claims (2)

냉매를 고온고압으로 압축하는 압축기(1), 실외에 배치되는 실외기(4), 실내를 냉난방하는 실내기(2), 상기 실외기 또는 실내기를 통과한 냉매를 감압하는 팽창밸브(3), 냉매의 흐름방향을 제어하여 압축기(1)에 의해 압축된 냉매를 상기 실외기 또는 실내기로 유도함으로써 상기 실내기를 통해 실내의 냉난방이 이루어지도록 하는 사방밸브(5a), 실외기(4)와 실내기(2) 사이에 설치되어 냉매의 역류를 방지하는 역류방지밸브(5b)를 포함하는 히트펌프식 냉난방 시스템에 있어서,Compressor (1) for compressing the refrigerant at high temperature and high pressure, outdoor unit (4) arranged outdoors, indoor unit (2) for heating and cooling the room, expansion valve (3) for reducing the refrigerant passing through the outdoor unit or indoor unit, flow of refrigerant It is installed between the four-way valve (5a), the outdoor unit (4) and the indoor unit (2) to control the direction to guide the refrigerant compressed by the compressor (1) to the outdoor unit or indoor unit to achieve the heating and cooling of the room through the indoor unit In the heat pump type heating and cooling system comprising a non-return valve (5b) to prevent the back flow of the refrigerant, 상기 압축기의 토출측과 사방밸브 사이에 직렬로 연결되어 상기 압축기에 의해 토출되는 고온고압의 냉매가 흐르는 급탕용 열교환기(10)와;A heat exchanger (10) for hot water supply, connected in series between the discharge side of the compressor and the four-way valve, in which a high-temperature high-pressure refrigerant discharged by the compressor flows; 원수를 상기 급탕용 열교환기에 공급하는 원수 공급관과;A raw water supply pipe for supplying raw water to the hot water heat exchanger; 상기 급탕용 열교환기와 급탕수 탱크에 연결되어 상기 원수 공급관을 통해 공급되어 상기 급탕용 열교환기의 냉매와 열교환된 급탕수를 급탕수 탱크에 공급하는 급탕수 공급관과;A hot water supply pipe connected to the hot water supply heat exchanger and the hot water supply tank and supplied through the raw water supply pipe to supply the hot water supply heat exchanged with the refrigerant of the hot water heat exchanger to the hot water supply tank; 바닥에 매설된 난방 배관과 상기 실내기에 연결되어 상기 실내기가 응축기로 사용될 때 상기 난방 배관에서 토출된 난방수를 상기 실내기에 연속 순환시켜 상기 난방 배관에 공급하는 난방수 순환관과;A heating water circulation pipe connected to the heating pipe embedded in the floor and the indoor unit and continuously circulating the heating water discharged from the heating pipe to the indoor unit when the indoor unit is used as a condenser; 냉방을 하기 위한 팬코일 유니트(63)와 상기 실내기에 연결되어 상기 실내기가 증발기로 사용될 때 상기 팬코일 유니트에서 토출된 냉방수를 상기 실내기에 연속 순환시켜 상기 팬코일 유니트에 공급하는 냉방수 순환관이 포함되어 이루어진 것을 특징으로 하는 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템.A cooling water circulation pipe connected to the fan coil unit 63 for cooling and the indoor unit, and continuously circulating the cooling water discharged from the fan coil unit to the indoor unit when the indoor unit is used as an evaporator to supply the fan coil unit. Heat pump type heating and cooling system capable of simultaneous hot water supply and floor heating, characterized in that it comprises. 청구항 1에 있어서, 상기 냉방수 순환관은 상기 난방수 순환관에 밸브를 통해 연결되어, 상기 밸브를 통해 상기 난방수 순환환과 냉방수 순환관이 선택적으로 개방되는 것을 특징으로 하는 바닥 난방과 동시 급탕이 가능한 히트펌프식 냉난방 시스템.The hot water circulation pipe according to claim 1, wherein the cooling water circulation pipe is connected to the heating water circulation pipe through a valve, and the heating water circulation ring and the cooling water circulation pipe are selectively opened through the valve. Heat pumped heating and cooling system available.
KR1020080125471A 2008-12-10 2008-12-10 Heat pump type heating and cooling system for floor heating and hot water supply Expired - Fee Related KR100926808B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102734981A (en) * 2011-03-31 2012-10-17 上海斯图华纳空调有限公司 Air-source modular three-in-one air-conditioning hot water system
KR20250113029A (en) 2024-01-18 2025-07-25 이광호 Cold and hot water production heat pump system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210770A (en) * 1988-02-18 1989-08-24 Toshiba Corp Air conditioning device
KR100468474B1 (en) 2003-03-14 2005-01-27 삼성전자주식회사 Cooling and heating system
KR200390333Y1 (en) 2005-04-25 2005-07-21 주식회사 이에이치피 Heat pump type air conditioning and heating system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210770A (en) * 1988-02-18 1989-08-24 Toshiba Corp Air conditioning device
KR100468474B1 (en) 2003-03-14 2005-01-27 삼성전자주식회사 Cooling and heating system
KR200390333Y1 (en) 2005-04-25 2005-07-21 주식회사 이에이치피 Heat pump type air conditioning and heating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102734981A (en) * 2011-03-31 2012-10-17 上海斯图华纳空调有限公司 Air-source modular three-in-one air-conditioning hot water system
KR20250113029A (en) 2024-01-18 2025-07-25 이광호 Cold and hot water production heat pump system

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