WO2014137094A1 - Appareil de chauffage et de refroidissement sensible à la température extérieure - Google Patents

Appareil de chauffage et de refroidissement sensible à la température extérieure Download PDF

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Publication number
WO2014137094A1
WO2014137094A1 PCT/KR2014/001550 KR2014001550W WO2014137094A1 WO 2014137094 A1 WO2014137094 A1 WO 2014137094A1 KR 2014001550 W KR2014001550 W KR 2014001550W WO 2014137094 A1 WO2014137094 A1 WO 2014137094A1
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WIPO (PCT)
Prior art keywords
heat exchanger
refrigerant
water tank
tank
heat
Prior art date
Application number
PCT/KR2014/001550
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English (en)
Korean (ko)
Inventor
전종길
김영철
백이
이동건
Original Assignee
대한민국(농촌진흥청장)
주식회사 티알엑서지
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Application filed by 대한민국(농촌진흥청장), 주식회사 티알엑서지 filed Critical 대한민국(농촌진흥청장)
Priority to JP2015561263A priority Critical patent/JP6161735B2/ja
Publication of WO2014137094A1 publication Critical patent/WO2014137094A1/fr

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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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/003—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
    • F25B2313/004—Outdoor unit with water as a heat sink or heat source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0234—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor 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
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the present invention relates to an outside air temperature-sensitive air-conditioning apparatus, and more particularly, a load-side heat exchanger for directly maintaining a refrigerant flow passage and performing heat exchange directly to an object space requiring cooling or heating.
  • the heat source is supplied and the heat source can be stably obtained to ensure that the heat source is responsive to the weather forecast and outside temperature. It relates to an outdoor temperature-sensitive air-conditioning device capable of cooling or heating an object.
  • Heat pump system that performs cooling and heating using geothermal heat as a heat source.
  • Heat pump system using geothermal heat is a technology that uses heat exchanger to install heat exchanger to recover heat in the ground of 10 ⁇ 20 °C or discharge heat into the ground.
  • an air heat source method of obtaining or discharging heat in the air such as an air conditioner, and a water heat source method of discharging heat through a cooling tower are used.
  • geothermal sources has the advantage that the energy efficiency is very high compared to air heat sources.
  • the air heat source temperature is consumed a lot of power to discharge the cooling heat to 30 °C or more, while the geothermal heat source is smoothly discharged to 10 ⁇ 20 °C shows a high efficiency.
  • the air heat source is difficult to supply the heat necessary for heating at the lowest temperature of -20 ° C, while the underground heat source is 10 to 20 ° C, which can stably supply the heating heat to the heat pump.
  • the geothermal heat pump system is known to have the highest energy efficiency among all air-conditioning technologies. Therefore, it is an essential technology in a situation where energy resources are scarce and energy costs are high.
  • the heat pump system using the geothermal heat not only has to have a constant water temperature and geological characteristics but not a soft layer, and also requires a long construction time and high cost during installation, and requires a separate site space.
  • the prior art is a system that is operated directly regardless of the outside temperature, and also consists of two cycles of air conditioning and heating, and the basic system performs the process of cooling and heating according to the season, so that the energy efficiency is rapidly changed according to the outside temperature. It has a problem that is falling.
  • the present invention is to solve the problems of the prior art as described above, even in the state without using a coil-shaped heat exchanger and a four-way valve that can be used for both cooling and heating due to seasonal differences in summer and winter in the tank, Cooling and heating can be performed by a single flow, so it can be easily installed in a relatively small space, and installation cost can be reduced, and the remaining heat on the load side can be recovered and regenerated to increase efficiency according to system operation. It is intended to provide an improved new outside air temperature sensitive heating and cooling system.
  • the present invention provides an outdoor air temperature-sensitive air-conditioning apparatus having a load side heat exchanger connected to a compressor 110 for compressing and discharging a refrigerant, the compressor 110, and a first refrigerant main pipe 210.
  • a receiver 140 connected to the load-side heat exchanger 120 and the second refrigerant main pipe 220 to store the liquefied refrigerant, a tank 130 in which the receiver 140 is accommodated, and the tank ( 130 is disposed, and connected to the water tank heat exchanger 150 and the water tank heat exchanger 150 and the fourth refrigerant main pipe 240 connected to the receiver 140 and the third refrigerant main pipe 230.
  • the latent heat exchanger 160 is characterized in that to selectively control the heat storage or heat storage function.
  • the controller may control one or more on / off valves disposed in the refrigerant pipe including the first to fourth refrigerant main pipes.
  • the latent heat exchanger 160 may be a heat storage cooler 161, a solar heat plate, or a heat storage cooler 165 of a combination of solar panels.
  • the air conditioning apparatus may further include an expansion valve 190 disposed on the third refrigerant main pipe 230 connecting the receiver 140 and the water tank heat exchanger 150.
  • the tank 130 includes a first tank 131 embedded in the ground and a second tank 132 accommodated in the first tank 131, wherein the first tank 131 and the second tank ( 132 may be preferably spaced a predetermined distance apart.
  • the cooling and heating device may be provided with pumping means for supplying or discharging water in the space between the first tank 131 and the second tank 132.
  • the air-conditioning device the water tank 130 includes an underground coil 133 is embedded in the ground so as to receive the heat of the ground, the space in which water flows inside the underground coil 133 It may be desirable to form this.
  • the refrigerant flows into the compressor 110 through the compressor 110, the latent heat exchanger 160, the receiver 140, the load side heat exchanger 120, and the liquid separator 180. It may be desirable.
  • the flow of the refrigerant to the latent heat exchanger 160 is blocked.
  • the refrigerant passes through the compressor 110, the load side heat exchanger 120, the receiver 140, the water tank heat exchanger 150, and the liquid separator 180 to the compressor 110. It may be desirable to enter.
  • the refrigerant may be introduced into the compressor 110 through the compressor 110, the water tank heat exchanger 150, the latent heat exchanger 160, and the liquid separator 180. have.
  • the auxiliary condensation heat exchange part 145 disposed on the second refrigerant main pipe 220 may further include, and the auxiliary condensation heat exchange part 145 may be disposed in the water tank 130.
  • the present invention provides a relatively small space by allowing the cooling and heating to be performed by a single flow of refrigerant without using a coil-type heat exchanger and a four-way valve that can be used for both cooling and heating in a single reservoir.
  • it can be easily installed and the installation cost can be reduced, and the remaining heat on the load side can be recovered and regenerated to reduce energy consumption due to system operation.
  • the present invention provides a heating and cooling device with efficiency and practicality by enabling the complete condensation of the refrigerant by the auxiliary heat exchanger to allow the overall efficiency to be increased.
  • FIG. 1 is a schematic diagram of an outside air temperature-sensitive air conditioning device according to an embodiment of the present invention
  • FIG. 5 is a system diagram showing a case where the water tank is installed in the ground in the air temperature-sensitive air-conditioning device according to another embodiment of the present invention.
  • the air temperature-sensing air-conditioning device of the present invention may be manufactured integrally or separately separated as needed. In addition, some components may be omitted depending on the form of use.
  • the refrigerant main pipe and the refrigerant auxiliary pipe disposed in the present invention are referred to collectively as the refrigerant pipe.
  • the outside temperature-sensitive air-conditioning and heating device 100 is a compressor 110 for compressing and discharging a refrigerant, a load side heat exchanger 120 and a load side heat exchanger 120 connected to the compressor 110 and the first refrigerant main pipe 210.
  • a compressor 110 for compressing and discharging a refrigerant
  • a load side heat exchanger 120 for compressing and discharging a refrigerant
  • a load side heat exchanger 120 and a load side heat exchanger 120 connected to the compressor 110 and the first refrigerant main pipe 210.
  • the tank 130 in which the receiver 140 is accommodated the receiver 140 and the third refrigerant main pipe 230.
  • An expansion valve 190 connected to the third heat exchanger unit 150 connected to the water tank 130, the receiver 140, and the third refrigerant main pipe 230 connecting the water tank heat exchanger 150,
  • the sixth refrigerant main pipe while communicating with the fourth refrigerant main pipe 240 through the latent heat exchanger 160 connected to the water tank heat exchanger 150 and the fourth refrigerant main pipe 240 and the fifth refrigerant main pipe 250.
  • the load side heat exchanger 120 is provided such that the refrigerant flow passage and the water flow passage exchange heat with each other.
  • the load side heat exchanger 120 may adopt a plate heat exchanger as an embodiment.
  • the load-side heat exchanger 120 of the present invention may constitute a collection evaporator and a cooling condenser so as to easily evaporate and condense.
  • Water is stored in the tank (130).
  • the tank 130 may be buried underground or installed on the ground. Meanwhile, rainwater storage tanks, living water tanks, digestive water tanks, sewage tanks, water purification tanks, and other various types of water tanks provided for energy use can be used as a combination.
  • the receiver 140 stores the liquefied refrigerant.
  • the receiver 140 is provided in the tank 130 as an embodiment.
  • the water tank 130 is provided with a heat exchange unit 150 for the water tank.
  • the tank heat exchanger 150 uses a coil heat exchanger.
  • the latent heat exchanger 160 includes a heat storage cooler 161 that can be used as a condenser, a solar heat plate, and a heat storage cooler 165 of a combination of solar panels.
  • the heat storage cooler 161 may be used for cooling in summer, and the heat storage cooler 165 may be used for heating in winter.
  • first to sixth refrigerant main pipes 210, 220, 230, 240, 250, and 260 may represent a movement path of the refrigerant when the external temperature sensitive air conditioning apparatus 100 of the present invention is driven in a heating mode.
  • the refrigerant auxiliary pipes connecting the components and the refrigerant main pipes 210, 220, 230, 240, 250, 260 constituting the air temperature-sensitive air-conditioning device 100 of the present invention can be used.
  • One end of the first refrigerant auxiliary pipe 310 is connected to the first refrigerant main pipe 210, and the other end thereof is connected to the latent heat exchanger 160.
  • One end of the second refrigerant auxiliary pipe 320 is connected to the latent heat exchanger 160, and the other end thereof is connected to the inlet of the receiver 140.
  • One end of the third refrigerant auxiliary pipe 330 is connected to the third refrigerant main pipe 230 and the other end thereof is connected to the first refrigerant main pipe 210.
  • One end of the fourth refrigerant auxiliary pipe 340 is connected to the load side heat exchanger 120, and the other end thereof is connected to the fourth refrigerant main pipe 240.
  • One end of the fifth refrigerant auxiliary pipe 350 is connected to the water tank heat exchanger 150, and the other end thereof is connected to the latent heat exchanger 160.
  • the circulation flow and the heat storage flow of the refrigerant for cooling in summer are possible.
  • the first to sixth refrigerant main pipes 210, 220, 230, 240, 250 and 260 and the first to fifth refrigerant auxiliary pipes 310, 320, 330, 340 and 350 may be provided with an on / off valve electrically connected to a control unit, a flow meter, a pressure gauge, a thermometer, and the like. The number, interval, etc. can be changed.
  • the outside temperature sensing unit 170 is electrically connected to the latent heat exchanger 160 and the plurality of open / close valves disposed in the refrigerant main pipe and the refrigerant auxiliary pipe through the control unit. That is, the controller selectively operates the driving mode of any one of the heating mode, the cooling mode, and the heat storage mode by selectively providing the opening / closing signal to the plurality of opening / closing valves according to the temperature result measured from the outside temperature sensing unit 170.
  • the control unit causes the latent heat exchanger 160 to perform heat storage or heat storage according to the result of the outside temperature. Specifically, in the case of heating in winter, it is easier to acquire a heat source during the day than at night, and thus, a heat storage cooler having a solar panel or a solar panel composite using a temperature sensed by the outside temperature sensing unit 170. After the evaporation of the flowing refrigerant to store the heat stored in the coolant in the water tank 130 and to use for heating at night.
  • a water tank 130' is installed in the ground.
  • the tank 130 ′ includes a first tank 131 embedded in the ground and a second tank 132 disposed inside the first tank 131 spaced apart from the first tank 131 by a predetermined interval. do.
  • the space between the first tank 131 and the second tank 132 is defined as the heat conduction opening and closing part 131a.
  • the water tank 130 ′ has a double tank structure having first and second water tanks 131 and 132.
  • the heat conductive material accommodated in the second water tank 132 may have a structure surrounding both the outer wall and the bottom of the first water tank 131.
  • the water of the second tank 132 may be formed to surround only the outer wall of the first tank 131.
  • the first tank 131 receives geothermal heat directly from the ground.
  • the second tank 132 receives ground heat through the first tank 131.
  • the thermally conductive material accommodated in the thermally conductive opening and closing portion 131a may be filled with different materials according to seasons.
  • the thermally conductive material may be a material having excellent thermal insulation, such as air, in order to block the direct transfer of geothermal heat from the ground to the second tank 132 in summer, and the second tank 132 in the winter in the ground. It may be a relatively conductive material, such as water, so that it can be delivered to.
  • pumping means for emptying or filling water in the first water tank 131 may be provided. That is, the first tank 131 and the second tank 132 is capable of heat transfer through the water filled through the pumping means.
  • the second tank 132 receives geothermal heat through the water in the first tank 131, but when the water in the first tank 131 is empty, the second tank 132 is filled. 132 becomes a state insulated from geothermal heat.
  • the first tank 131 may be emptied using a pumping means, and the second tank 132 may block the geothermal heat so as not to receive the geothermal heat.
  • the water in the second tank 132 may be preferably cooled by blocking the water of the second tank 132 from receiving relatively high temperature geothermal heat.
  • the water in the first tank 131 may be filled in winter using a pumping means, and the second tank 132 may receive geothermal heat through the first tank 131.
  • the water of the second tank 130 may be heated by receiving geothermal heat of relatively high temperature.
  • the water tank (130, 130 ') is provided with an underground coil 133 in a form buried in the ground to receive the heat of the ground better.
  • the interior of the underground coil 133 has a space in which water in the tanks 130 and 130 'can flow. Accordingly, the water in the water tanks 130 and 130 'can effectively absorb the geothermal heat through the underground coil 133.
  • the underground coil 133 is provided with an underground coil pump 132a so that water in the water tanks 130 and 130 'circulates through the underground coil 133.
  • the underground coil pump 132a is mainly operated only in winter to allow the water of the tanks 130 and 130 'to receive geothermal heat. In summer, the water of the tanks 130 and 130 'is preferably not subjected to geothermal heat.
  • the underground coil pump 132a may be operated to mix the water in the water tanks 130 and 130 'by mixing the water in the water tanks 130 and 130'.
  • the heating mode of the outside air temperature sensitive air-conditioning apparatus 100 of the present invention will be described.
  • the change of refrigerant forms a circulation system of compression-> first condensation-> second condensation-> expansion-> evaporation-> compression.
  • the refrigerant gas of the high temperature and high pressure compressed by the compressor 110 flows into the refrigerant flow path of the load-side heat exchanger 120 after passing through the first refrigerant main pipe 210 and condenses first (first condensation). That is, the load side heat exchanger 120 functions as a condenser, and the refrigerant passing through the refrigerant flow path of the load side heat exchanger 120 discharges heat to water passing through the water flow path of the load side heat exchanger 120.
  • the refrigerant passing through the refrigerant flow path of the load-side heat exchanger 120 passes through the second refrigerant main pipe 220.
  • the refrigerant flows into the auxiliary heat exchange unit 145.
  • the auxiliary condensation heat exchanger 145 completely condenses the remaining refrigerant that is not condensed in the refrigerant flow path of the load-side heat exchanger 120 (second condensation).
  • the auxiliary condensation heat exchanger 145 releases heat to the water in the water tank 130.
  • the refrigerant passing through the auxiliary condensation heat exchanger 145 is stored in the receiver 140.
  • the air temperature-sensitive air-conditioning and heating device 100 is capable of fully condensing the refrigerant by the heat exchange unit 145 for auxiliary condensation, thereby increasing the overall efficiency.
  • the water of the water tank 130 may increase its constant temperature by the interaction between the water tank heat exchanger 150 and the auxiliary condensation heat exchanger 145.
  • the refrigerant of the receiver 140 is expanded by the expansion valve 190 on the third refrigerant main pipe 230 and then flows into the water tank heat exchange unit 150.
  • the refrigerant introduced into the tank heat exchanger 150 absorbs heat from the water of the tank 130 while evaporating. That is, the water of the tank 130 is cooled.
  • the refrigerant passing through the water tank heat exchanger 150 flows into the liquid separator 180 through the fourth and fifth refrigerant main pipes 240 and 250 and then flows into the compressor 110 through the sixth refrigerant main pipe 260.
  • the cooling mode of the outside air temperature-sensitive air-conditioning device 100 of the present invention will be described.
  • the change of refrigerant forms the circulation system of compression-> first condensation-> second condensation-> expansion-> evaporation-> compression.
  • the function at the load side heat exchanger 120 proceeds in the opposite manner to the heating mode. That is, the load-side heat exchanger 120 performs the condensation function in the heating mode but the evaporation function in the cooling mode.
  • the high temperature and high pressure refrigerant gas compressed by the compressor 110 is transferred to the latent heat exchanger 160 via the first refrigerant main pipe 210 and the first refrigerant auxiliary pipe 310.
  • the refrigerant condensed in the latent heat exchanger 160 is stored in the receiver 140 via the second refrigerant auxiliary pipe 320 and the second refrigerant main pipe 220.
  • evaporation is performed in the load-side heat exchanger 120 via the third refrigerant auxiliary pipe 330 and the third refrigerant main pipe 230.
  • the compressor 110 through the sixth refrigerant main pipe 260. Flows into).
  • the refrigerant gas of the high temperature and high pressure compressed by the compressor 110 is transferred to the water tank heat exchange part 150 through the first refrigerant main pipe 210 and the third refrigerant main pipe 230.
  • the refrigerant condensed in the water tank heat exchanger 150 is transferred to the latent heat exchanger 160 via the fifth refrigerant auxiliary pipe 350.
  • the refrigerant evaporated in the latent heat exchanger 160 flows into the liquid separator 180 through the fourth refrigerant main pipe 240 and the fifth refrigerant main pipe 250, and then passes through the sixth refrigerant main pipe 260 to the compressor 110. Flows into.
  • a heat storage cooler 165 having a solar plate or a combination of the solar plates may be preferable.
  • the heat condensation pressure is low because the water tank temperature on the heat source side is particularly low, so that the temperature of the heat source can be easily increased with little compression power.
  • the refrigerant gas compressed by the compressor 110 is transferred to the water tank heat exchange part 150 through the first refrigerant main pipe 210 and the third refrigerant main pipe 230.
  • the refrigerant evaporated in the water tank heat exchanger 150 is transferred to the latent heat exchanger 160 via the fifth refrigerant auxiliary pipe 350.
  • the refrigerant condensed in the latent heat exchanger 160 flows into the liquid separator 180 through the fourth refrigerant main pipe 240 and the fifth refrigerant main pipe 250, and then passes through the sixth refrigerant main pipe 260 to the compressor 110. Flows into.
  • the latent heat exchanger 160 may be a cool storage cooler 161.
  • the outside air temperature-sensitive air-conditioning apparatus 100 of the present invention may implement three cycles of heating, cooling, and heat storage (heat storage) cycles by implementing the heat storage and heat storage latent heat cycles with the same refrigerant without using a separate secondary refrigerant.
  • the change of the refrigerant in the heat storage and refrigerating cycle modes constitutes a circulation system of compression-> condensation-> expansion-> evaporation-> compression.
  • the temperature difference between the outside air temperature during winter and summer during the cooling and heating cycles is about 20 ° C. on average, but the natural energy of the temperature difference is not sufficiently utilized.
  • the refrigerant is stored in a water tank after compression, Make the best use of natural energy by using it as an evaporative heat source. This can increase your grade factor and efficiency.
  • Heating load heat of condensation (100%)
  • heat of compression (30%)
  • heat of evaporation 70%)
  • Heating load in the heating mode can be made by the above equation, wherein the heat of evaporation (70%) is the natural energy obtained by evaporation of the refrigerant itself through the water of the tank 130, the heat of compression (30%) is actually Since the energy used, if the refrigerant can continuously evaporate during heating, energy can be saved by 70%. Therefore, it can be said that securing a stable evaporation heat source is the most important, and if the securing of the evaporation heat source is secured above a certain condition, energy saving can be more than 70%.
  • a heat exchanger is installed to condense the refrigerant in a water tank at a location where the outside temperature is low at night, the energy density of light is low, or the waste cooling heat source is large. After cooling, by using it as a cooling heat source during the load-side operating time, the same effect as in heating can be obtained.
  • Cooling load heat of condensation (100%)-heat of compression (30%)
  • the cooling load may be achieved by the above equation.
  • the condensation heat source may be the most important since lowering the condensation temperature (100%) of the refrigerant in the latent heat exchanger 160 makes efficient use of energy. Can be.
  • the temperature difference is well sensed so that the latent heat exchanger 160 performs the evaporation or condensation process and then accumulates or accumulates in the water tank 130.
  • the load-side heat exchanger 120 By supplying heat during the use time of the load-side heat exchanger 120, it is possible to implement a cooling and heating system that effectively utilizes natural energy.
  • the present invention can be characterized in that it can be operated at any time in response to the outside temperature and various thermal properties without being greatly influenced by solar light energy.
  • the load-side heat exchanger 120 of the present invention may constitute a collection evaporator and a cooling condenser so as to easily evaporate and condense.
  • the heat condensation pressure is low because the water tank temperature on the heat source side is particularly low, so that the temperature of the heat source can be easily increased with little compression power.

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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)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

La présente invention porte sur un appareil de chauffage et de refroidissement sensible à la température extérieure, lequel appareil comprend : un compresseur (110) pour comprimer et évacuer un réfrigérant ; un échangeur de chaleur côté charge (120) relié au compresseur (110) par un premier tuyau principal de réfrigérant (210) ; un récepteur de liquide (140) pour stocker un réfrigérant liquéfié, le récepteur de liquide étant relié à l'échangeur de chaleur côté charge (120) par un deuxième tuyau principal de réfrigérant (220) ; un réservoir d'eau (130) pour renfermer le récepteur de liquide (140) ; un échangeur de chaleur (150) pour le réservoir d'eau disposé dans le réservoir d'eau (130) et relié au récepteur de liquide (140) par un troisième tuyau principal de réfrigérant (230) ; un échangeur de chaleur latente (160) relié à l'échangeur de chaleur (150) pour le réservoir d'eau par un quatrième tuyau principal de réfrigérant (240) ; un dispositif de commande électriquement connecté à l'échangeur de chaleur latente (160) ; et une unité de détection de température extérieure (170) connectée au dispositif de commande, le dispositif de commande commandant de façon sélective une fonction de stockage de chaleur ou une fonction de stockage de froid de l'échangeur de chaleur latente (160) par détection de la température extérieure mesurée par l'unité de détection de température extérieure (170).
PCT/KR2014/001550 2013-03-06 2014-02-26 Appareil de chauffage et de refroidissement sensible à la température extérieure WO2014137094A1 (fr)

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JP2015561263A JP6161735B2 (ja) 2013-03-06 2014-02-26 外気温度感応式冷暖房装置

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KR1020130024183A KR101465689B1 (ko) 2013-03-06 2013-03-06 외기 온도 감응식 냉난방 장치
KR10-2013-0024183 2013-03-06

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JP6161735B2 (ja) 2017-07-12
JP2016509196A (ja) 2016-03-24
KR20140109762A (ko) 2014-09-16

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