KR100441091B1 - high effective cooling system of air conditioner - Google Patents

high effective cooling system of air conditioner Download PDF

Info

Publication number
KR100441091B1
KR100441091B1 KR10-2001-0089235A KR20010089235A KR100441091B1 KR 100441091 B1 KR100441091 B1 KR 100441091B1 KR 20010089235 A KR20010089235 A KR 20010089235A KR 100441091 B1 KR100441091 B1 KR 100441091B1
Authority
KR
South Korea
Prior art keywords
refrigerant
valve
compressor
heat exchanger
air conditioner
Prior art date
Application number
KR10-2001-0089235A
Other languages
Korean (ko)
Other versions
KR20030058704A (en
Inventor
최민구
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR10-2001-0089235A priority Critical patent/KR100441091B1/en
Publication of KR20030058704A publication Critical patent/KR20030058704A/en
Application granted granted Critical
Publication of KR100441091B1 publication Critical patent/KR100441091B1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B6/00Compression machines, plant, or systems, with several condenser circuits
    • F25B6/02Compression machines, plant, or systems, with several condenser circuits arranged in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/04Condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B2339/00Details of evaporators; Details of condensers
    • F25B2339/04Details of condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/07Details of compressors or related parts
    • F25B2400/075Details of compressors or related parts with parallel compressors
    • F25B2400/0751Details of compressors or related parts with parallel compressors the compressors having different capacities

Abstract

본 발명의 공기조화기의 고효율 냉동시스템은 냉매를 압축하는 압축기와, 압축된 상기 냉매를 주위의 공기와 열교환하여 냉각시키는 열교환기와, 열교환된 상기 냉매를 팽창시키는 팽창밸브와, 팽창된 상기 냉매가 증발하며 냉각되는 증발기를 포함하여 구성된 공기조화 시스템에 있어서, 상기 열교환기는 물의 상변화에너지를 이용하여 상기 냉매의 냉각온도를 저하시키는 빙축열 냉동수단을 포함하여 구성되어, 응축온도가 낮아져 냉동효율이 향상되고, 심야전력을 사용할 수 있어 전력비가 절감되는 효과가 있다.The high-efficiency refrigeration system of the air conditioner of the present invention includes a compressor for compressing a refrigerant, a heat exchanger for cooling the compressed refrigerant by heat exchange with surrounding air, an expansion valve for expanding the heat exchanged refrigerant, and the expanded refrigerant In the air conditioning system comprising an evaporator to be evaporated and cooled, the heat exchanger is configured to include an ice storage refrigerating means for lowering the cooling temperature of the refrigerant by using the phase change energy of water, thereby improving the refrigeration efficiency is lowered In addition, since the midnight power can be used, the power cost is reduced.

Description

공기조화기의 고효율 냉동시스템 {high effective cooling system of air conditioner}High effective cooling system of air conditioner
본 발명은 실내 공기를 쾌적하게 조절하는 공기조화기에 관한 것으로서, 특히 실내 공기를 흡입하여 냉각한 후 실내로 토출하여 실내를 냉동하는 공기조화기에서 심야전력이나 산업용전력 등의 값싼 전력을 사용하여 냉매를 응축시키는 실외기의 열교환시스템을 개선하여 냉동효율을 증가시키는 공기조화기의 고효율 냉동시스템에 관한 것이다.The present invention relates to an air conditioner for comfortably controlling indoor air, and in particular, a refrigerant using inexpensive power such as late-night power or industrial power in an air conditioner that inhales and cools the indoor air and then discharges it into the room. It relates to a high efficiency refrigeration system of an air conditioner to improve the heat exchange system of the outdoor unit to condense the increase of the refrigeration efficiency.
일반적으로 공기조화기는 난방기, 냉방기, 공기조화기 등으로 실내를 냉난방 시키거나 공기를 정화하며 인간에게 보다 쾌적한 실내 환경을 조성하기 위해 설치되는데, 크게 일체형(윈드형)과 분리형(세퍼레이트형 또는 스플릿형)으로 구분된다.In general, air conditioners are installed to heat or cool the room with a heater, air conditioner, or air conditioner, or to purify the air and create a more comfortable indoor environment for human beings.It is largely integrated (wind type) and separate type (separated or split type). ).
상기한 일체형과 분리형은 기능적으로는 같지만 일체형은 냉각 방열의 기능을 일체화하여 가옥의 벽이나 창에 직접 설치하고, 분리형은 냉각기능을 수행하는 실내기와, 방열 및 압축기능을 수행하는 실외기를 각각 별도로 형성하여 실내, 외에 각각 설치한다.The integrated type and the separated type are functionally the same, but the integrated type integrates the function of cooling heat dissipation and installs them directly on the wall or window of the house, and the separate type separates the indoor unit performing the cooling function and the outdoor unit performing the heat dissipation and compression function separately. To form and install each indoor, besides.
도 1은 종래 기술에 의한 공기조화기의 냉동시스템의 구성도이다.1 is a configuration diagram of a refrigeration system of an air conditioner according to the prior art.
종래 기술에 의한 공기조화기의 냉동시스템은 도 1에 도시된 바와 같이, 기체냉매를 압축하는 압축기(11)와, 냉각팬(15)이 설치되어 상기 압축된 기체냉매를 공기로 냉각시켜 액체냉매로 만드는 응축기(12)와, 상기 응축된 액체냉매를 감압시켜 액체냉매로 만드는 팽창밸브(13)와, 상기 감압된 냉매를 열교환시켜 주위의 온도를 빼앗아 기체냉매로 상변화시키는 증발기(14)로 구분되고, 상기 증발된 냉매는 다시 압축기(11)로 순환되는 냉동시스템을 이룬다.As shown in FIG. 1, the refrigerating system of the air conditioner according to the prior art has a compressor 11 for compressing a gas refrigerant and a cooling fan 15 installed to cool the compressed gas refrigerant with air to cool the liquid refrigerant. A condenser 12 to make a condenser, an expansion valve 13 to depressurize the condensed liquid refrigerant to form a liquid refrigerant, and an evaporator 14 to exchange the reduced pressure refrigerant to take ambient temperature and change the phase into a gas refrigerant. Separated, the evaporated refrigerant forms a refrigeration system circulated back to the compressor (11).
도 2는 종래 기술에 의한 공기조화기의 냉동시스템의 P-h선도이다.2 is a P-h diagram of a refrigeration system of an air conditioner according to the prior art.
여기서, h축은 엔탈피를 나타내고, P축은 압력을 나타낸다. 상기 P-h선도에서 온도는 압력과 비례한다.Here, the h axis represents enthalpy and the P axis represents pressure. In the P-h diagram, the temperature is proportional to the pressure.
상기한 공기조화기는 도 2에 도시된 바와 같이, 전원이 인가되어 상기 압축기(11)가 작동하여 단열압축하여 고온저압인 a상태의 냉매를 압축하여 고온고압상태인 b상태의 냉매로 압축하고, 상기 b상태의 냉매는 상기 냉각팬(15)이 설치된 상기 응축기(12)를 거쳐 저온고압상태인 c상태의 냉매로 상변화된다.As shown in FIG. 2, the air conditioner is supplied with power, and the compressor 11 operates to adiabatic to compress a refrigerant in a state of high temperature and low pressure to a b state refrigerant in a high temperature and high pressure state. The refrigerant in the b state is phase-changed into the c state refrigerant at a low temperature and high pressure state through the condenser 12 provided with the cooling fan 15.
상기 c상태의 냉매는 팽창밸브(13)를 거쳐 저온저압상태인 d상태의 냉매로 팽창되고, 상기 d상태의 냉매는 증발기(14)를 거쳐 a상태의 냉매로 상변화되는 순환사이클을 이룬다.The coolant in the c state is expanded into the coolant in the d state at low temperature and low pressure state through the expansion valve 13, and the coolant in the d state forms a circulation cycle which is phase-changed into the coolant in the a state via the evaporator 14.
이때, 공기조화기내로 흡입된 실내공기는 상기 증발기(14)를 통과하면서 열교환되어 실내를 냉방한다.At this time, the indoor air sucked into the air conditioner is heat-exchanged while passing through the evaporator 14 to cool the room.
상기 공기조화기의 효율을 향상시키는 방법은 압축일을 줄이는 방법과, 냉동능력을 증가시키는 방법 등이 있으나, 냉매의 사용에 제한이 있는 냉동능력을 증가시키는 방법보다 응축온도를 저하시켜 압축일을 줄이는 방법이 주로 사용된다.Methods for improving the efficiency of the air conditioner include a method of reducing the compression work, and a method of increasing the freezing capacity, but the compression work by lowering the condensation temperature than the method of increasing the freezing capacity that is limited to the use of the refrigerant The reduction method is mainly used.
그런데, 종래의 기술에 의한 공기조화기의 고효율 냉동시스템은 응축온도는 낮추는데 한계가 있는 문제점과, 상기 냉각팬(15)의 구동으로 전력이 많이 소요되고, 상기 냉각팬(15)의 노후화로 소음이 발생하고 응축효율이 저하되는 문제점이 있다.By the way, the high efficiency refrigeration system of the air conditioner according to the prior art has a problem that there is a limit to lower the condensation temperature, the power is driven by the driving of the cooling fan 15, noise due to aging of the cooling fan 15 This occurs and there is a problem that the condensation efficiency is lowered.
최근의 공기조화기는 상기 응축온도를 저하시켜 공기조화기의 효율을 향상시키는 다양한 기술이 개발되고 있는바, 이러한 기술로서는 공개 특허 2000-0026209호에 기재된 공기를 유도하는 쉬라우드를 설치하는 것과, 증발기에서 발생하는 응축수를 이용하는 것과, 방열팬을 공기의 유동방향과 일치시킨 것과, 응축기를 냉각시키는 별도의 냉동기를 설치한 것 등이 알려져 있다.In recent years, various techniques for reducing the condensation temperature to improve the efficiency of an air conditioner have been developed. As such techniques, the installation of a shroud for inducing air described in Korean Patent Application Publication No. 2000-0026209 and an evaporator It is known to use the condensate generated in the, to match the heat radiating fan to the flow direction of the air, to install a separate refrigerator to cool the condenser.
그러나, 상기한 바와 같은 공기조화기의 고효율 냉동시스템은 효율향상이 크지 않고, 냉각팬을 이용한 강제 송풍방식으로는 응축온도는 낮추는데 한계가 있는 문제점과, 응축온도를 낮추는데 과도한 비용이 소요되는 문제점이 있다.However, the high efficiency refrigeration system of the air conditioner as described above does not significantly improve the efficiency, the forced blow method using a cooling fan has a problem that there is a limit to lower the condensation temperature, and excessive cost is required to lower the condensation temperature have.
본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 냉매를 응축시키는 실외기의 열교환시스템을 개선하여 응축온도를 저하시켜 냉동효율을 향상시키고, 전력비가 절감시키는 공기조화기의 고효율 냉동시스템을 제공하는데 있다.The present invention has been made to solve the above problems, to improve the heat exchange system of the outdoor unit condensing the refrigerant to reduce the condensation temperature to improve the refrigeration efficiency, to provide a high efficiency refrigeration system of the air conditioner to reduce the power cost have.
도 1은 종래 기술에 의한 공기조화기의 냉동시스템의 구성도,1 is a configuration diagram of a refrigeration system of an air conditioner according to the prior art,
도 2는 종래 기술에 의한 공기조화기의 냉동시스템의 P-h선도,2 is a P-h diagram of a refrigeration system of an air conditioner according to the prior art,
도 3은 본 발명에 의한 공기조화기의 고효율 냉동시스템의 구성도,3 is a configuration diagram of a high efficiency refrigeration system of an air conditioner according to the present invention;
도 4는 본 발명에 의한 공기조화기의 고효율 냉동시스템의 P-h선도이다.4 is a P-h diagram of a high efficiency refrigeration system of an air conditioner according to the present invention.
<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>
21 : 압축기 22 : 열교환기21 compressor 22 heat exchanger
23 : 팽창밸브 24 : 증발기23 expansion valve 24 evaporator
25 : 제 1밸브 26 : 제 2밸브25: first valve 26: second valve
27 : 제 3밸브 30 : 빙축냉동수단27: third valve 30: ice storage freezing means
31 : 응축기 32 : 보조팽창밸브31: condenser 32: auxiliary expansion valve
33 : 아이스볼 35 : 제 4밸브33: ice ball 35: fourth valve
36 : 제 5밸브 37 : 제 6밸브36: fifth valve 37: sixth valve
40 : 교반기 50 : 케이스40: stirrer 50: case
51 : 단열수단51: insulation means
상기한 과제를 해결하기 위한 본 발명에 의한 공기조화기의 고효율 냉동시스템은 냉매를 압축하는 압축기와, 상기 압축된 냉매를 열교환하여 냉각시키는 열교환기와, 상기 열교환된 냉매를 팽창시키는 팽창밸브와, 상기 팽창된 냉매가 증발하며 냉각되는 증발기와, 상기 열교환기가 내장되고 상변화 에너지를 이용하여 상기 압축기의 압축일 및 냉매의 응축온도를 저하시킬 수 있는 축열재가 구비된 케이스와, 상기 압축기에 의해 압축된 냉매를 냉각시키는 응축기와, 상기 응축기를 통과한 상기 냉매를 팽창시켜 상기 열교환기로 보내는 보조팽창밸브와, 상기 냉매의 순환 경로를 가변시키는 유로변경수단을 포함하여 구성되고; 상기 유로변경수단은 냉매를 상기 압축기, 열교환기, 팽창밸브, 증발기로 순환시켜 실내 냉동사이클을 이루게 하는 일반밸브군과; 냉매를 상기 압축기, 응축기, 보조팽창밸브, 열교환기로 순환시켜 빙축열 냉동사이클을 이루게 하는 빙축열 밸브군을 포함하여 구성된 것을 특징으로 한다.The high efficiency refrigeration system of the air conditioner according to the present invention for solving the above problems is a compressor for compressing a refrigerant, a heat exchanger for heat-exchanging the compressed refrigerant, an expansion valve for expanding the heat-exchanged refrigerant, An evaporator to which the expanded refrigerant evaporates and is cooled, a case having a heat exchanger and a heat storage material capable of lowering the compression work of the compressor and the condensation temperature of the refrigerant by using phase change energy, and compressed by the compressor. A condenser for cooling the refrigerant, an auxiliary expansion valve for expanding the refrigerant having passed through the condenser and sending it to the heat exchanger, and a flow path changing means for varying a circulation path of the refrigerant; The flow path changing means includes a general valve group for circulating a refrigerant to the compressor, the heat exchanger, the expansion valve, and the evaporator to form an indoor refrigeration cycle; And a ice storage valve group configured to circulate the refrigerant to the compressor, the condenser, the auxiliary expansion valve, and the heat exchanger to form an ice storage refrigeration cycle.
이하, 본 발명의 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 3은 본 발명에 의한 공기조화기의 고효율 냉동시스템의 구성도이다.3 is a block diagram of a high efficiency refrigeration system of the air conditioner according to the present invention.
본 발명에 의한 공기조화기의 고효율 냉동시스템은 도 3에 도시된 바와 같이, 냉매를 압축기(21)로 압축하고, 압축된 상기 냉매를 주위의 공기와 열교환하여 냉각시키는 열교환기(22)에 통과시킨다.As shown in FIG. 3, the high-efficiency refrigeration system of the air conditioner according to the present invention passes through a heat exchanger 22 which compresses a refrigerant with a compressor 21 and heats the compressed refrigerant by heat exchange with ambient air. Let's do it.
열교환된 상기 냉매를 팽창밸브(23)를 거쳐 팽창시키고, 팽창된 상기 냉매가 주위의 온도를 낮추는 증발기(24)를 통과하며 증발된다.The heat exchanged refrigerant is expanded through the expansion valve (23), and the expanded refrigerant is evaporated through the evaporator 24 to lower the ambient temperature.
한편, 상기 열교환기(22)는 물의 상변화에너지를 이용하여 상기 냉매의 냉각온도를 저하시키는 빙축열 냉동수단(30)을 포함하여 구성된다.On the other hand, the heat exchanger 22 is configured to include ice storage refrigeration means 30 for lowering the cooling temperature of the refrigerant by using the phase change energy of the water.
상기 빙축열은 물의 상변화에너지를 열량을 이용하는 것으로서, 15℃의 물 1Kg을 0℃의 얼음 1Kg으로 상변화될 때, 물의 열량 15Kcal과 얼음으로 상변화되는응고열 80Kcal이 축열되고, 얼음 1Kg이 15℃의 물 1Kg으로 상변화될 때, 물로 상변화되는 융해열 80Kcal과 물의 열량 15Kcal이 방열된다.The ice heat storage is to use the heat of the phase change energy of water, when the phase change of 1Kg of water at 15 ℃ to 1Kg of ice at 0 ℃, the heat of coagulation heat 80Kcal which is phase-changed into 15Kcal of water and ice is accumulated, 1Kg of ice is 15 ℃ When phase changes to 1Kg of water, 80Kcal of heat of fusion and 15Kcal of water are dissipated.
상기 빙축열 냉동수단(30)은 상기 압축기(21)에 의해 압축된 냉매의 순환 경로를 가변시키는 유로변경수단과, 상기 냉매를 냉각시키는 응축기(31)와, 상기 응축기(31)를 통과한 상기 냉매를 팽창시키는 보조팽창밸브(32)와, 상기 열교환기(22)가 내장된 케이스(50)와, 상기 케이스(50) 내에 구비되어 압축일 및 냉매의 응축온도를 저하시킬 수 있도록 축열재인 물의 상변화에너지에 의해 상기 열교환기(22)에 냉기를 공급하는 아이스볼(33)을 포함하여 구성된다.The ice storage refrigerating means (30) is a flow path changing means for varying the circulation path of the refrigerant compressed by the compressor (21), a condenser (31) for cooling the refrigerant, and the refrigerant passing through the condenser (31) The auxiliary expansion valve 32, the case 50 having the heat exchanger 22 therein, and the water of the heat storage material are provided in the case 50 to reduce the compression work and the condensation temperature of the refrigerant. It is configured to include an ice ball 33 for supplying cold air to the heat exchanger 22 by the change energy.
상기 유로변경수단은 상기 냉매를 압축기(21), 열교환기(22), 팽창밸브(23), 증발기(24)를 거쳐 다시 압축기(21)로 순환시켜 실내 냉동사이클을 이루게 하는 일반밸브군과, 상기 냉매를 압축기(21), 응축기(31), 보조팽창밸브(32), 열교환기(22)를 거쳐 다시 압축기(21)로 순환시켜 빙축열 냉동사이클을 이루게 하는 빙축열 밸브군으로 구성된다.The flow path changing means is a general valve group for circulating the refrigerant back to the compressor 21 through the compressor 21, the heat exchanger 22, the expansion valve 23, the evaporator 24 to form an indoor refrigeration cycle, The refrigerant is composed of a group of ice heat storage valves circulating back to the compressor 21 through the compressor 21, the condenser 31, the auxiliary expansion valve 32, and the heat exchanger 22 to form an ice heat storage refrigeration cycle.
상기 일반밸브군은 상기 압축기와 열교환기 사이에 설치되는 제 1밸브(25)와, 상기 열교환기와 팽창밸브 사이에 설치되는 제 2밸브(26)와, 상기 증발기와 압축기 사이에 설치되는 제 3밸브(27)로 구성되어, 상기 일반밸브군이 열릴 때 실내를 냉동하는 냉동사이클을 이루도록 구성된다.The general valve group includes a first valve 25 installed between the compressor and a heat exchanger, a second valve 26 installed between the heat exchanger and an expansion valve, and a third valve installed between the evaporator and the compressor. It consists of (27), it is configured to form a refrigeration cycle for freezing the room when the general valve group is opened.
또한, 상기 빙축열 밸브군은 상기 압축기와 응축기 사이에 설치되는 제 4밸브(35)와, 상기 보조팽창밸브와 열교환기 사이에 설치되는 제 5밸브(36)와, 상기 열교환기와 압축기 사이에 설치되는 제 6밸브(37)로 구성되어, 상기 일반밸브군이 닫힐 경우에 개방되어 상기 아이스볼(33)을 얼림작용하도록 구성된다.In addition, the ice storage valve group is provided between the fourth valve (35) installed between the compressor and the condenser, the fifth valve (36) provided between the auxiliary expansion valve and the heat exchanger, and is provided between the heat exchanger and the compressor. The sixth valve 37 is configured to open when the general valve group is closed to freeze the ice ball 33.
상기 케이스(50)는 내부에 부동액(미도시)이 포함되어 상기 아이스볼(33)의 열교환을 원활하게 한다.The case 50 includes an antifreeze (not shown) therein to facilitate heat exchange of the ice ball 33.
또한, 상기 케이스(50)는 일측에 교반기(40)가 설치되어 상기 아이스볼(33)과 상기 부동액(미도시)을 순환시키고, 상기 케이스(50)의 내측에 단열수단(51)이 설치되어 상기 아이스볼(33)과 상기 부동액(미도시)이 외부와 열교환되는 것을 차단한다.In addition, the case 50 is provided with a stirrer 40 on one side to circulate the ice ball 33 and the antifreeze (not shown), and the heat insulation means 51 is provided inside the case 50. The ice ball 33 and the antifreeze (not shown) to block the heat exchange with the outside.
상기와 같이 구성된 본 발명의 동작을 살펴보면 다음과 같다.Looking at the operation of the present invention configured as described above are as follows.
도 4는 본 발명에 의한 공기조화기의 고효율 냉동시스템의 P-h선도이다.4 is a P-h diagram of a high efficiency refrigeration system of an air conditioner according to the present invention.
여기서, h축은 엔탈피를 나타내고, P축은 압력을 나타내고, 상기 P-h선도에서 온도는 압력과 비례한다.Here, the h axis represents enthalpy, the P axis represents pressure, and the temperature is proportional to the pressure in the P-h diagram.
상기한 고효율 공기조화기는 상기 제 1, 2, 3밸브(25)(26)(27)를 막고, 제 4, 5, 6밸브(35)(36)(37)를 개방한후 상기 공기조화기의 냉동사이클을 빙축열 사이클로 전환시키고, 심야전력을 인가하여 상기 압축기(21)를 작동시키면 단열압축하여 고온저압인 a상태의 냉매를 압축하여 고온고압상태인 b상태의 냉매로 압축하고, 저온고압상태인 상기 b상태의 냉매는 상기 응축기(31)를 거쳐 저온고압상태인 c상태의 냉매로 상변화된다.The high efficiency air conditioner closes the first, second and third valves 25, 26 and 27, and opens the fourth, fifth and sixth valves 35, 36 and 37. When the refrigeration cycle of the cooling cycle to the ice storage heat cycle, and when the compressor 21 is operated by applying a late-night power, the adiabatic compression to compress the refrigerant of a state of high temperature and low pressure to the refrigerant of state b of high temperature and high pressure, the state of low temperature and high pressure The b state of the refrigerant is phase-changed into the c state of the low temperature and high pressure state via the condenser (31).
또한, 상기 c상태의 냉매는 팽창밸브(32)를 거쳐 저온저압상태인 d상태의 냉매로 팽창되고, 상기 d상태의 냉매는 열교환기(22)를 거쳐 고온저압상태의 a냉매로 상변화되는 순환사이클을 이룬다.In addition, the coolant in the c state is expanded into the coolant in the d state of the low temperature low pressure state through the expansion valve 32, the coolant in the d state is phase-changed into a coolant in the high temperature low pressure state through the heat exchanger (22) A circular cycle is achieved.
상기 열교환기(22)는 상기 아이스볼(33)과 상기 부동액을 냉각시키고, 상기 아이스볼(33)에 담긴 물은 냉각되어 얼음으로 상변화된다.The heat exchanger 22 cools the ice ball 33 and the antifreeze, and the water contained in the ice ball 33 is cooled to phase change into ice.
한편, 제 1, 2, 3밸브(25)(26)(27)를 열고, 제 4, 5, 6밸브(35)(36)(37)를 막은후 전력을 인가하여 상기 빙축열 사이클을 실내 냉동사이클로 전환하여 상기 압축기(21)를 작동시키면 단열압축하여 고온저압인 a상태의 기체냉매를 압축하여 고온고압상태인 b'상태의 기체냉매로 압축한다.Meanwhile, the first, second, and third valves 25, 26, 27 are opened, and the fourth, fifth, and sixth valves 35, 36, 37 are closed and electric power is applied to the ice storage cycle. When the compressor 21 is operated by switching to a cycle, the compressor 21 is adiabaticly compressed to compress a gas refrigerant having a high temperature and a low pressure a state into a gas refrigerant having a high temperature and high pressure b 'state.
이때, 상기 b'상태의 냉매는 빙축열 수단에 의해 응축온도가 낮아진 상기 열교환기(22)를 거쳐 저온저압상태인 c'상태의 액체냉매로 상변화된다.At this time, the refrigerant in the b 'state is converted into a liquid refrigerant in the c' state of the low temperature low pressure state through the heat exchanger 22, the condensation temperature is lowered by the ice storage means.
또한, 상기 c'상태의 액체냉매는 팽창밸브(23)를 거쳐 저온고압상태인 d'상태의 액체냉매로 팽창되고, 상기 d'상태의 액체냉매는 증발기(24)를 거쳐 a상태의 기체냉매로 상변화되는 순환사이클을 이룬다.Further, the liquid refrigerant in the c 'state is expanded into the liquid refrigerant in the d' state at a low temperature and high pressure state through the expansion valve 23, and the liquid refrigerant in the d 'state is the gas refrigerant in the a state via the evaporator 24. To form a cyclic cycle.
상기와 같이 구성되는 본 발명의 공기조화기의 고효율 냉동시스템은 물의 상변화에너지를 이용하여 상기 냉매의 냉각온도를 저하시키는 빙축열 냉동수단을 포함하여 구성되어, 응축온도가 낮아져 냉동효율이 향상되고, 심야전력을 사용할 수 있어 전력비가 절감되는 효과가 있다.The high-efficiency refrigeration system of the air conditioner of the present invention configured as described above is configured to include an ice storage refrigeration means for lowering the cooling temperature of the refrigerant by using the phase change energy of water, the condensation temperature is lowered to improve the refrigeration efficiency, Since midnight power can be used, the power cost is reduced.

Claims (9)

  1. 냉매를 압축하는 압축기와, 상기 압축된 냉매를 열교환하여 냉각시키는 열교환기와, 상기 열교환된 냉매를 팽창시키는 팽창밸브와, 상기 팽창된 냉매가 증발하며 냉각되는 증발기와, 상기 열교환기가 내장되고 상변화 에너지를 이용하여 상기 압축기의 압축일 및 냉매의 응축온도를 저하시킬 수 있는 축열재가 구비된 케이스와, 상기 압축기에 의해 압축된 냉매를 냉각시키는 응축기와, 상기 응축기를 통과한 상기 냉매를 팽창시켜 상기 열교환기로 보내는 보조팽창밸브와, 상기 냉매의 순환 경로를 가변시키는 유로변경수단을 포함하여 구성되고;A compressor for compressing a refrigerant, a heat exchanger for exchanging and cooling the compressed refrigerant, an expansion valve for expanding the heat exchanged refrigerant, an evaporator for evaporating and cooling the expanded refrigerant, a heat exchanger, and a phase change energy A heat storage material capable of lowering the compression work of the compressor and the condensation temperature of the refrigerant by using a condenser, a condenser for cooling the refrigerant compressed by the compressor, and expanding the refrigerant passing through the condenser to heat the heat exchanger. An auxiliary expansion valve to be sent to the air, and a flow path changing means for varying the circulation path of the refrigerant;
    상기 유로변경수단은 냉매를 상기 압축기, 열교환기, 팽창밸브, 증발기로 순환시켜 실내 냉동사이클을 이루게 하는 일반밸브군과; 냉매를 상기 압축기, 응축기, 보조팽창밸브, 열교환기로 순환시켜 빙축열 냉동사이클을 이루게 하는 빙축열 밸브군을 포함하여 구성된 것을 특징으로 하는 공기조화기의 고효율 냉동시스템The flow path changing means includes a general valve group for circulating a refrigerant to the compressor, the heat exchanger, the expansion valve, and the evaporator to form an indoor refrigeration cycle; A high efficiency refrigeration system of an air conditioner comprising a group of ice heat storage valves circulating the refrigerant to the compressor, condenser, auxiliary expansion valve, heat exchanger to form an ice heat storage refrigeration cycle.
  2. 제 1 항에 있어서,The method of claim 1,
    상기 일반밸브군은 상기 압축기와 열교환기 사이에 설치되는 밸브와, 상기 열교환기와 팽창밸브 사이에 설치되는 밸브와, 상기 증발기와 압축기 사이에 설치되는 밸브로 구성되어,The general valve group is composed of a valve installed between the compressor and the heat exchanger, a valve provided between the heat exchanger and the expansion valve, and a valve provided between the evaporator and the compressor,
    상기 일반밸브군이 열릴 때 실내를 냉동하는 냉동사이클을 이루도록 구성된 것을 을 특징으로 하는 공기 조화기의 고효율 냉동시스템.High efficiency refrigeration system of the air conditioner, characterized in that configured to form a refrigeration cycle for freezing the room when the general valve group is opened.
  3. 제 1 항 또는 제 2 항에 있어서,The method according to claim 1 or 2,
    상기 빙축열 밸브군은 상기 압축기와 응축기 사이에 설치되는 밸브와, 상기 보조팽창밸브와 열교환기 사이에 설치되는 밸브와, 상기 열교환기와 압축기 사이에 설치되는 밸브로 구성되어,The ice heat storage valve group is composed of a valve provided between the compressor and the condenser, a valve provided between the auxiliary expansion valve and the heat exchanger, and a valve provided between the heat exchanger and the compressor,
    상기 일반밸브군이 닫힐 경우에 개방되어 상기 축열재를 냉각시키도록 구성된 것을 특징으로 하는 공기조화기의 고효율 냉동시스템.A high-efficiency refrigeration system of an air conditioner, characterized in that open when the general valve group is closed to cool the heat storage material.
  4. 삭제delete
  5. 삭제delete
  6. 삭제delete
  7. 삭제delete
  8. 삭제delete
  9. 삭제delete
KR10-2001-0089235A 2001-12-31 2001-12-31 high effective cooling system of air conditioner KR100441091B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2001-0089235A KR100441091B1 (en) 2001-12-31 2001-12-31 high effective cooling system of air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR10-2001-0089235A KR100441091B1 (en) 2001-12-31 2001-12-31 high effective cooling system of air conditioner

Publications (2)

Publication Number Publication Date
KR20030058704A KR20030058704A (en) 2003-07-07
KR100441091B1 true KR100441091B1 (en) 2004-07-21

Family

ID=32216597

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2001-0089235A KR100441091B1 (en) 2001-12-31 2001-12-31 high effective cooling system of air conditioner

Country Status (1)

Country Link
KR (1) KR100441091B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015156555A1 (en) * 2014-04-09 2015-10-15 진정홍 Heat-pump system having heat-energy storage tank provided therein and heating device using same
CN105352234A (en) * 2015-11-02 2016-02-24 长沙理工大学 Self-adaptive phase-change condensing air conditioner system and implementation method thereof
KR101739527B1 (en) 2016-04-07 2017-05-24 한영테크노켐(주) Vapor oil recycling apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105640164B (en) * 2015-12-30 2019-02-05 西安交通大学 A kind of cold fresh showcase of ice storage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015156555A1 (en) * 2014-04-09 2015-10-15 진정홍 Heat-pump system having heat-energy storage tank provided therein and heating device using same
CN105352234A (en) * 2015-11-02 2016-02-24 长沙理工大学 Self-adaptive phase-change condensing air conditioner system and implementation method thereof
CN105352234B (en) * 2015-11-02 2017-12-08 长沙理工大学 A kind of adaptive phase transformation condensation air conditioner system and its implementation
KR101739527B1 (en) 2016-04-07 2017-05-24 한영테크노켐(주) Vapor oil recycling apparatus

Also Published As

Publication number Publication date
KR20030058704A (en) 2003-07-07

Similar Documents

Publication Publication Date Title
KR100512278B1 (en) Method for power saving motion for dehumidification of air canditioner
US4071080A (en) Air conditioning system
JP3485379B2 (en) Vehicle air conditioner
JP3334660B2 (en) Refrigeration cycle control device and control method thereof
KR100867469B1 (en) Multi-range indoor air-conditioning heating system and ventilation control system and the energy-efficient control method of the same
US6874326B2 (en) Air conditioning system with two compressors and method for operating the same
JP3708536B1 (en) Refrigeration cycle apparatus and control method thereof
JP4468682B2 (en) Power-saving dehumidifying operation method of air conditioner
JP3925545B2 (en) Refrigeration equipment
ES2647475T3 (en) Air conditioner
KR100442392B1 (en) Heating and cooling air conditioner with dual out door heat exchanger
CN100595490C (en) Water chilling unit based on hot moisture independent process as well as air-treatment method thereof
EP1489367A1 (en) Refrigerating cycle device
JP4298990B2 (en) Refrigeration equipment using carbon dioxide as refrigerant
US8001802B2 (en) Air conditioner
KR20040093632A (en) Air conditioning system for vehicle
KR20040069614A (en) Method for dehumidification of air conditioner
JP2006258343A (en) Air conditioning system
US7984621B2 (en) Air conditioning system for communication equipment and controlling method thereof
WO2013171803A1 (en) Heat pump device
US5740679A (en) Binary refrigerating apparatus
US8667810B2 (en) Air conditioning system for communication equipment
JP4258363B2 (en) Refrigeration air conditioner, operation method of refrigeration air conditioner
JP2010216783A (en) Air conditioning system
JP2003075009A (en) Heat pump system

Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20100630

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee