WO2000036345A1 - Conditionneur d'air - Google Patents
Conditionneur d'air Download PDFInfo
- Publication number
- WO2000036345A1 WO2000036345A1 PCT/JP1999/006933 JP9906933W WO0036345A1 WO 2000036345 A1 WO2000036345 A1 WO 2000036345A1 JP 9906933 W JP9906933 W JP 9906933W WO 0036345 A1 WO0036345 A1 WO 0036345A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air
- water
- compressed air
- discharged
- room
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0085—Systems using a compressed air circuit
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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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/004—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being air
Definitions
- the present invention relates to an air conditioner using an air cycle using air as a refrigerant, and particularly relates to a measure for improving efficiency.
- an air cycle type cooling device using air as a cooling medium includes a compressor, a heat exchanger, and an expander.
- the air is sucked into the compressor and compressed.
- the compressed air is cooled by the heat exchanger and then expanded by the expander. It is configured to obtain low temperature, low temperature air.
- the cooling device disclosed in the above publication the room is cooled with the obtained cooling air.
- the cooling device sprays water onto the low-temperature air expanded by the expander, and further reduces the temperature of the low-temperature air by evaporating the water to increase the cooling capacity.
- the present invention has been made in view of such a point, and an object of the present invention is to improve C 0 P while maintaining the cooling capacity of an air conditioner using an air cycle.
- the present invention reduces the temperature of compressed air after cooling, and reduces compressor power while maintaining cooling capacity.
- the first solution taken by the present invention is directed to an air conditioner that cools and cools room air by an air cycle using air as a refrigerant.
- Cooling means (30) for cooling, and an expander (23) for expanding the compressed air cooled by the cooling means (30) are provided, and the low-temperature air expanded to a low temperature by the expander (23) is cooled. It is supplied indoors.
- a third solution taken by the present invention is the first solution described above, wherein the cooling means (30) cools the compressed air using the latent heat of vaporization of the water to discharge the air. And a water supply means (42) for supplying water.
- the fourth solution taken by the present invention is the second solution or the third solution, wherein the relative humidity of the discharged air is 80% or more and 10% when discharged from the cooling means (30).
- the water supply means (41, 42) supplies a predetermined amount of water to the discharged air so as to be less than 0%.
- the moisture supply means (41, 42) is provided with a moisture permeable air discharged through a moisture permeable membrane. It is configured to supply
- a sixth solution taken by the present invention is the first solution described above, further comprising a separation membrane configured to allow water vapor in the air to permeate from the high side to the low side of the partial pressure of water vapor.
- a water removing means (22) for separating water vapor contained in the compressed air from the compressed air without condensing the compressed air is provided.
- the seventh solution taken by the present invention is the sixth solution, wherein one side of the separation membrane is provided in order to secure a partial pressure difference of water vapor on both sides of the separation membrane in the water removing means (22). And a pressure reducing means (36) for reducing the pressure.
- the water vapor in the air is configured to be able to permeate from the high side of the water vapor partial pressure to the low side.
- a water removing means (22) having a separation membrane and separating water vapor contained in the compressed air from the compressed air without condensing the water is provided.
- a ninth solution according to the present invention is the eighth solution according to the eighth solution, wherein one side of the separation membrane is used to secure a partial pressure difference of water vapor on both sides of the separation membrane in the water removing means (22). And a pressure reducing means (36) for reducing the pressure.
- a tenth solution according to the present invention is the sixth solution or the eighth solution, wherein the water removing means (22) is brought into contact with one surface of the separation membrane and the compressed air and the other. The compressed air is brought into contact with the surface of the compressed air and the discharged air is moved to the discharged air.
- the eleventh solution taken by the present invention is the solution according to any one of the sixth to ninth aspects, wherein a part or all of the water separated from the compressed air by the water removing means (22). Is supplied indoors together with the low-temperature air from the expander (23).
- the twelfth solution of the present invention is the ninth solution, wherein a part or all of the water separated from the compressed air by the water removing means (22) is supplied to the water supply means (41, 41). 42) to supply to the exhaust air.
- a thirteenth solution taken by the present invention is the solution according to any one of the sixth to twelve solutions, wherein the separation membrane is formed of a polymer film, and water is diffused in the film by diffusion inside the film. It is configured so that steam can pass through.
- a fourteenth solution taken by the present invention is the solution according to any one of the sixth to the twelfth, wherein the separation membrane has a large number of pores having the same size as the molecular free path.
- the water vapor is transmitted by capillary condensation and diffusion of water molecules.
- a fifteenth solution taken by the present invention is a solution of any one of the above first to fourteenth aspects.
- the compressor (21) is configured to suck indoor air and supply air supplied from outside to the room.
- the low-temperature air from the expander (23) is mixed with the room air and then supplied to the room. Is what you do.
- the compressor (21) compresses at least room air into high-pressure compressed air.
- the compressed air is cooled by the cooling means (30) and then expanded by the expander (23) to become low-temperature low-temperature air.
- the low-temperature air is supplied into the room to cool the room.
- the temperature of the exhaust air discharged from the room due to ventilation or the like is almost the same as the room temperature and lower than the outside air temperature.
- the cooling means (30) cools the compressed air with the discharged air having a lower temperature than the outside air.
- the water supply means (41) supplies water to the discharged air, and the temperature of the discharged air is further reduced from the room temperature by evaporation of the water. Then, the cooling means (30) exchanges heat between the discharged air having a temperature lower than the room temperature and the compressed air.
- the moisture supply means (42) supplies moisture to the exhaust air
- the cooling means (30) cools the compressed air using the sensible heat of the exhaust air and the latent heat of evaporation of the moisture. Reject. That is, in the cooling means (30), while the compressed air is cooled, the exhaust air is warmed and the moisture supplied to the exhaust air evaporates. At that time, the temperature rise of the discharged air is suppressed by the evaporation of the water, and the temperature difference between the discharged air and the compressed air is maintained.
- the water supply means (41, 42) supplies the maximum amount of water to the discharge air within a range that does not cause condensation in the discharge air when discharged from the cooling means (30). Be paid. Therefore, the compressed air is cooled using the latent heat of evaporation of the water to the maximum.
- the water removing means (22) Moisture is removed from the compressed air compressed by the machine (21). At this time, since the water removing means (22) has a predetermined separation membrane, the water in the compressed air is separated from the compressed air while maintaining the state of steam.
- the partial pressure difference of steam on both sides of the separation membrane is secured by the pressure reduction by the pressure reducing means (36). That is, one surface of the separation membrane comes into contact with the compressed air, and the other surface is depressurized by the decompression means (36). Therefore, the partial pressure of water vapor on the other surface side of the separation membrane is maintained lower than the partial pressure of water vapor of the compressed air.
- one surface of the separation membrane comes into contact with compressed air, and the other surface comes into contact with exhaust air. Therefore, in the operating state where the steam partial pressure of the exhaust air is lower than the steam partial pressure of the compressed air, the moisture in the compressed air moves to the exhaust air without any external action.
- the water separated from the compressed air is used for indoor humidification.
- the indoor humidity may gradually decrease.
- the present solution since part or all of the separated water is returned to the room again, an excessive decrease in the room humidity is prevented.
- the water separated from the compressed air is supplied to the discharged air by the water supply means (41, 42), and the latent heat of evaporation of the water is supplied to the compressed air in the cooling means (30). It is used for cooling.
- the separation membrane is configured to allow water vapor to pass through a predetermined process.
- the supply air supplied from outside to the room is supplied to the compressor (21) together with the room air.
- This supply air is for ventilation, and the temperature of the supply air is almost the same as the outside air temperature.
- the supply air flows in order with the compressor (21), the cooling means (30), and the expander (23) together with the room air, and is supplied to the room after being cooled.
- the low-temperature air may have a considerably low temperature depending on the operating condition.However, even in such a case, the low-temperature air and the mixed air are mixed. The temperature when it is supplied to the room does not drop so much.
- the compressed air since the compressed air is cooled by the discharged air, the compressed air can be cooled to a lower temperature than when cooled by the outside air. For this reason, the input to the compressor (21) can be reduced while maintaining the cooling capacity, and the COP can be improved.
- the compressed air is cooled with discharged air at a lower temperature than outside air, heat can be released from the compressed air to the discharged air even if the compression ratio is reduced.
- the air only needs to be compressed from point A to point B, and the compression work in the compressor (21) is Wcom.
- the compressed air is cooled from point B to point C, and then expanded from point C to point D by the expander (23) to become low-temperature air.
- the recovery work recovered by the expander (23) is Wexp. Therefore, the required input is (Wcom-Wexp).
- the compressed air is to be cooled by the exhaust air, the required input is reduced from (Wcom '-Wexp') to (Wcom-Wexp).
- the cooling capacity is Qref.
- COP is obtained by dividing the cooling capacity by the input. Therefore, if the compressed air is cooled by the exhaust air, the input can be reduced while maintaining the cooling capacity, and the COP can be improved.
- the compressed air can be cooled by the discharged air having a temperature lower than the room temperature. Therefore, the compressed air can be cooled to a lower temperature, and the COP can be further improved.
- the third solving means it is possible to suppress an increase in the temperature of the exhaust air in the cooling means (30) due to evaporation of the supplied water. For this reason, the temperature difference between the exhaust air and the compressed air can be maintained, and the heat transfer from the compressed air to the exhaust air can be promoted. As a result, the compressed air can be cooled to a lower temperature, and the COP can be further improved.
- the compressed air can be cooled by making the most of the latent heat of evaporation of the moisture within a range where no dew condensation occurs in the discharged air. Therefore, the compressed air can be cooled using the latent heat of evaporation of the water without performing the drain water treatment.
- the water in the compressed air can be separated from the compressed air as water vapor without being condensed.
- the cooling capacity can be increased, and thereby the COP can be improved.
- the refrigeration cycle is indicated by points A, B, C ', and D', and the cooling capacity at that time is Qref.
- the compressed air can be in the state of point C, and the refrigeration cycle in this case is indicated by points A, B, C, and D, and the cooling capacity at that time is Qref.
- the compression work in the compressor (21) and the recovery work in the expander (23) g Almost the same, the input hardly changes. Therefore, the cooling power can be increased from Qref to Qref without increasing the input, thereby improving C ⁇ P.
- the water vapor separated from the compressed air can be discharged to the outside together with the discharged air. Therefore, a configuration for treating the separated steam is not required, and the configuration can be simplified.
- the eleventh solution it is possible to prevent the room humidity from excessively lowering, and to maintain not only the temperature but also the humidity within a predetermined range to improve the comfort of the occupants. it can.
- the water separated from the compressed air can be used for cooling the compressed air in the cooling means (30). As a result, the amount of water required for operation can be reduced.
- a separation membrane having a predetermined function can be reliably formed.
- the operation can be performed using the supply air as the refrigerant together with the indoor air.
- FIG. 1 is a schematic configuration diagram illustrating a configuration of the air-conditioning apparatus according to the embodiment.
- FIG. 2 is an air state diagram showing the operation of the air-conditioning apparatus according to the embodiment.
- FIG. 3 is a characteristic diagram showing the relationship between pressure and air ruby in an air cycle, for explaining that C 0 P is improved by reducing the temperature of compressed air.
- FIG. 4 is a characteristic diagram showing the relationship between pressure and air ruby in an air cycle to explain that cooling capacity is improved by separating water vapor from compressed air.
- the air conditioner (10) of the present embodiment includes a cycle-side system (20) and a heat-dissipation-side system (40).
- the cycle side system (20) is configured by connecting a compressor (21), a heat exchanger (30), a water remover (22), and an expander (23) in this order in a duct. It is configured to perform an operation.
- the cycle side system (20) includes a suction duct (24) connected to the inlet side of the compressor (21) and an outlet duct (25) connected to the outlet side of the expander (23). ing.
- the suction duct (24) is branched into two at the start end, and is configured to send indoor air and supply air supplied from outside for ventilation to the compressor (21).
- the outlet duct (25) is configured to guide the low-temperature air from the expander (23) into the room.
- the exhaust heat side system (40) is configured by duct-connecting the humidifying cooler (41) and the heat exchanger (30), and has an inlet duct (43) connected to the humidifying cooler (41). ) And an outlet duct ( 44 ) connected to the heat exchanger (30). One end of the inlet duct 3) opens into the room, and a branch duct (45) connected to the outlet duct (25) at one end is connected in the middle.
- the inlet duct (43) guides a portion of the room air flowing through the duct to the humidifying cooler (41) as exhaust air that is exhausted from the room for ventilation, and the rest into the outlet duct (25).
- the outlet duct (44) has one end open to the outside of the room, and is configured to discharge the air discharged from the heat exchanger (30) to the outside of the room.
- a motor (35) is connected to the compressor (21).
- the compressor (21) is connected to the expander (23).
- the compressor (21) is configured to be driven by the driving force of the motor (35) and the expansion work when air is expanded by the expander (23).
- the heat exchanger (30) is formed with a compressed air passage (31) through which compressed air flows and a discharge air passage (32) through which discharged air flows.
- One end of the compressed air passage (31) is connected to the compressor (21), and the other end is connected to the moisture remover (22).
- One end of the discharge air passage (32) is duct-connected to the humidifier / cooler (41), and the other end is connected to the outlet duct (44).
- the heat exchanger (30) is configured to exchange heat between the compressed air in the compressed air passage (31) and the exhaust air in the exhaust air passage (32). That is, the heat exchanger (30) constitutes cooling means for cooling the compressed air by heat exchange with the exhaust air.
- the heat exchanger (30) is provided with a humidifying section (42).
- the discharge air passage (32) is formed of a moisture-permeable film, and a water-side space is formed on the opposite side across the moisture-permeable film.
- a water supply pipe (50) is connected to the water side space, and tap water or the like is supplied through the water supply pipe (50).
- the moisture permeable membrane is configured to allow moisture to pass therethrough, and the moisture in the water-side space is supplied to the discharge air in the discharge air passage (32) by passing through the moisture permeable membrane.
- the humidifying section (42) constitutes a water supply means (42) for supplying water to the discharged air for cooling the compressed air using the latent heat of evaporation.
- the humidifying section (42) is provided with a predetermined amount so that the humidity of the exhaust air at the outlet of the exhaust air passage (32) of the heat exchanger (30) is 80% or more and less than 100%. It is configured to supply moisture to the exhaust air. As a result, moisture is supplied to the discharged air to the extent that condensation does not occur in the discharged air when discharged outside the room.
- U The water remover (22) has a separation membrane, and includes a high-pressure space and a low-pressure space separated by the separation membrane. In this high-pressure space, the inlet side is connected to the compressed air passageway (31) of the heat exchanger (30), and the outlet side is connected to the expander (23). Therefore, the compressed air cooled by the heat exchanger (30) flows through the high-pressure space.
- the moisture remover (22) is configured to move the water vapor from the high-pressure space side to the low-pressure space side by allowing water vapor in the compressed air to pass through the separation membrane. That is, the moisture remover (22) constitutes a moisture removing means for removing moisture from the compressed air.
- the separation membrane is formed of a polymer membrane such as a fluororesin.
- the separation membrane is configured such that water vapor permeates by diffusion of water molecules into the membrane.
- the separation membrane may be formed by a gas separation porous membrane made of xerogel or the like. In this case, the water vapor in the compressed air permeates the separation membrane by capillary condensation and diffusion of water molecules.
- the humidifying cooler (41) has a moisture-permeable membrane, and has an air-side space and a water-side space separated by the moisture-permeable membrane.
- the inlet duct (43) is connected to the inlet side, and the outlet side is duct-connected to the exhaust air passage (32) of the heat exchanger (30). Therefore, exhaust air flows into the air side space.
- the water supply space has a moisture-permeable membrane, and has an air-side space and a water-side space separated by the moisture-permeable membrane.
- the inlet duct (43) is connected to the inlet side, and the outlet side is duct-connected to the exhaust air passage (32) of the heat exchanger (30). Therefore, exhaust air flows into the air side space.
- the water supply space is a moisture-permeable membrane, and has an air-side space and a water-side space separated by the moisture-permeable membrane.
- the inlet duct (43) is connected to the inlet side, and the outlet side is duct-connected to the exhaust air passage (3
- the humidifying cooler (41) is configured to lower the temperature of the discharged air by evaporating the water supplied to the discharged air. That is, the humidifying cooler (41) constitutes a water supply means (41) for pre-cooling the discharged air and sending it to the heat exchanger (30).
- a vacuum pump (36) is connected to the low-pressure space of the water remover (22).
- the vacuum pump (36) is for reducing the pressure in the low-pressure space, and constitutes a pressure reducing means for securing a difference in partial pressure of steam between the low-pressure space and the high-pressure space.
- the compressor (21) when the compressor (21) is driven by the motor (35), room air and supply air are supplied to the compressor (21) through the suction duct (24). Specifically, the supply air at the flow rate of M0 and the indoor air at the flow rate of M are mixed and supplied to the compressor (21). In the compressor (21), the supplied air is compressed from point 1 to point 2 to generate compressed air having a flow rate of M0 + M. This compressed air is sent to the compressed air passage (31) of the heat exchanger (30).
- the heat exchanger (30) exchanges heat with the exhaust air from the exhaust air passage (32) while the compressed air flows through the compressed air passage (31). As a result, the compressed air is cooled from point 2 to point 3. The cooled compressed air is led to the high-pressure space of the moisture remover (22).
- the moisture: dm is removed from the compressed air from point 3 to point 3, and the entropy of the compressed air is reduced.
- the low-pressure space is depressurized by the vacuum pump (36), and the partial pressure of steam in the low-pressure space is always kept lower than the partial pressure of steam in the high-pressure space.
- water vapor in the compressed air permeates the separation membrane due to the difference in the partial pressure of water vapor in both spaces, and moisture is removed from the compressed air.
- the water vapor in the compressed air is separated from the compressed air in a state of water vapor without being condensed. Therefore, the amount of compressed air is reduced by the amount of separated water vapor.
- the compressed air is sent to the expander (23).
- This expander (23) The air expands from point 3 'to point 4 and becomes cold air.
- the low-temperature air is supplied into the room through the blow duct (25), whereby the room is cooled.
- room air is sent into the outlet duct (25) through the branch duct (45). Therefore, the low-temperature air is supplied to the room after being mixed with a predetermined amount of room air.
- exhaust air having a flow rate of M0 is sent to the air side space of the humidifier / cooler (41) through the inlet duct (43).
- the same amount of discharged air as the supplied air is sent to the humidification cooler (41).
- the exhaust air exchanges heat with the compressed air in the compressed air passage (31) from point 6 to point 7. That is, in this heat exchanger (30), the compressed air is cooled by the low-temperature exhaust air from the humidifying cooler (41).
- a mixture of room air and supply air for ventilation flows in the cycle side system (20), while only exhaust air for ventilation flows in the exhaust side system (40). . Therefore, in the heat exchanger (30), the compressed air having a flow rate of M0 + M and the exhaust air having a flow rate of M0 exchange heat. In other words, the compressed air is cooled with the discharged air having a smaller flow rate than the compressed air, and the compressed air may not be cooled sufficiently.
- the humidifying cooler (41) and the humidifying section (42) To supply moisture to the exhaust air.
- the heat capacity of the exhaust air in the exhaust air passage (32) increases by the amount of steam of the supplied flow rate: ml + m2. Therefore, in this embodiment, the compressed air can be sufficiently cooled even if only the exhaust air for ventilation is supplied to the exhaust heat side system (40).
- a predetermined amount of water is supplied to the exhaust air so that the humidity of the exhaust air at the outlet of the exhaust air passage (32) is 80% or more and less than 100%.
- moisture is supplied to the discharged air to the extent that condensation does not occur in the discharged air when discharged outside the room. Therefore, the compressed air is cooled by making the most of the latent heat of vaporization of water while eliminating the need for drain treatment.
- Part of the water separated from the compressed air by the water remover (22) flows to the first water pipe (51), and the rest flows to the second water pipe (52).
- the water that has flowed into the first water pipe (51) is further divided and flows into the water-side space of the humidifier / cooler (41) and the water-side space of the humidifier (42) of the heat exchanger (30). Be guided.
- the moisture guided to the humidification cooler (41) is supplied to the exhaust air through the moisture permeable membrane, and is used for cooling the exhaust air.
- the moisture guided to the humidification section (42) is supplied to the exhaust air through the moisture permeable membrane, and is used to suppress a rise in the temperature of the exhaust air in the heat exchanger (30).
- the water that has flowed into the second water pipe (52) is guided into the branch duct (45), is supplied into the room together with room air and low-temperature air, and is used for indoor humidification.
- the exhaust air having a temperature lower than the outside air temperature is further cooled by the humidifying cooler (41), and then the heat is exchanged with the compressed air by the heat exchanger (30).
- the compressed air can be cooled to a lower temperature than when it is cooled by outside air.
- the humidifying section (42) of the heat exchanger (30) suppresses the temperature rise of the exhaust air in the heat exchanger (30).
- the temperature of the exhaust air and the compressed air The difference can be maintained, and the heat transfer from the compressed air to the exhaust air can be promoted. Therefore, according to the present embodiment, the compressed air compressed by the compressor (21) can be reliably cooled to a lower temperature. Therefore, the compression ratio in the compressor (21) can be reduced while maintaining the cooling capacity, and the input to the compressor (21) can be reduced. As a result, COP can be improved.
- the compressed air is cooled by using the exhaust air discharged from the room for ventilation.
- the cold heat of the discharged air is recovered into compressed air. Therefore, ventilation can be performed without significantly increasing the indoor air-conditioning load, and energy loss can be reduced.
- the humidifying section (42) of the heat exchanger (30) allows the compressed air to be cooled by making the most of the latent heat of evaporation of the moisture within a range in which no dew condensation occurs in the discharged air. For this reason, the compressed air can be cooled using the latent heat of evaporation of the water without performing the drain water treatment.
- the humidification cooling section and the humidification section (42) of the heat exchanger (30) are configured to gradually supply moisture to the discharged air via the moisture permeable membrane. Therefore, the supplied water can be reliably evaporated in the discharge air, and the water supplied to the discharge air does not remain in a liquid phase. Therefore, the compressed air can be cooled by taking full advantage of the latent heat of vaporization of the water, without any consideration of drain treatment.
- the compressed air can be sent to the expander (23). For this reason, compressed air that does not contain much moisture can be expanded, and condensation can be prevented from occurring in the expanded low-temperature air. As a result, the droplet does not blow out into the room together with the low-temperature air. Cooling can be performed.
- the water in the compressed air can be separated from the compressed air as water vapor without being condensed. Therefore, the amount of compressed air sent to the expander (23) can be further reduced. As a result, the cooling capacity can be increased, and the COP can be further improved.
- the low-pressure space of the water remover (22) is depressurized by the vacuum pump (36)
- a difference in partial pressure of water vapor between the low-pressure space and the high-pressure space can always be secured. Therefore, the water vapor in the compressed air always permeates the separation membrane, thereby reliably separating the water vapor from the compressed air. As a result, COP can be stably improved.
- the difference in partial pressure of water vapor on both sides of the separation membrane can be ensured even at the time of start-up, the time from start-up to when sufficient cooling capacity is exhibited can be shortened.
- the water separated from the compressed air is supplied to the low-temperature air through the second water pipe (52). For this reason, it is possible to prevent the room humidity from excessively lowering, and it is possible to maintain not only the temperature but also the humidity within a predetermined range, thereby improving the comfort of the occupants.
- the water separated from the compressed air is supplied to the humidifying cooler (41) and the humidifying section (42) through the first water pipe (51).
- This moisture can be supplied to the exhaust air in the humidifying cooler (41) and the humidifying section (42), and the moisture separated from the compressed air is used for cooling the compressed air in the heat exchanger (30). be able to. As a result, the amount of water required for operation can be reduced.
- the low-temperature air from the expander (23) and the room air are mixed and then supplied to the room. Instead, only the low-temperature air is supplied to the room. Is also good. That is, depending on the operating conditions, the low-temperature air may not be so low (for example, about 15 ° C). In such a case, supply only low-temperature air to the room. Since there is no danger of discomfort to the occupants even if the air is supplied, only low-temperature air may be blown into the room without mixing with room air.
- the moisture separated from the compressed air by the moisture remover (22) is supplied to the humidifier / cooler (41) and the humidifier (42).
- one end of the first water pipe (51) may be connected to the inlet duct (43), and the separated water may be supplied to the exhaust air in the inlet duct (43).
- one end of the first water pipe (51) is connected to the outlet duct (44), and the separated water is supplied to the exhaust air after heat exchange with the compressed air in the heat exchanger (30). Is also good.
- the water remover (22) is provided between the heat exchanger (30) and the expander (23) in the cycle system (20).
- a moisture remover (22) is provided between the compressor (21) and the heat exchanger (30) to separate moisture from the compressed air before being cooled by the heat exchanger (30). Is also good.
- the water separated from the compressed air may be supplied to the exhaust air in the inlet duct (43), or may be discharged in the outlet duct (44). It may be supplied to the air.
- the low-pressure space of the moisture remover (22) is depressurized by the vacuum pump (36), and the moisture separated from the compressed air by the moisture remover (22) is humidified in the room. It is used for etc.
- the vacuum pump (36) was not provided, and the configuration of the moisture remover (22) was changed so that the water in the compressed air was separated by the moisture remover (22). It may be configured to move through the membrane to the exhaust air.
- the water remover is provided with a cycle side space and a waste heat side space separated by the separation membrane.
- the compressed air cooled by the heat exchanger (30) is led into this cycle side space.
- the inlet duct (43) of the exhaust heat system (40) is connected to the exhaust heat side space, and the exhaust heat side space is arranged in the middle of the inlet duct (43).
- only the water supply pipe (50) is connected to the humidifier / cooler (41) and the humidifier (42), and only the water from the outside is supplied to the humidifier / cooler (41) and the humidifier (42). 42).
- the air conditioner according to the present invention is useful as a device for cooling a room, and is particularly suitable for a device that performs a cooling operation by an air cycle.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69931811T DE69931811T2 (de) | 1998-12-16 | 1999-12-09 | Klimaanlage |
US09/857,486 US6539744B1 (en) | 1998-12-16 | 1999-12-09 | Air-conditioning apparatus |
EP99959742A EP1143208B1 (en) | 1998-12-16 | 1999-12-09 | Air conditioner |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/357370 | 1998-12-16 | ||
JP10357370A JP2000179963A (ja) | 1998-12-16 | 1998-12-16 | 空気調和装置 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/857,486 A-371-Of-International US6539744B1 (en) | 1998-12-16 | 1999-12-09 | Air-conditioning apparatus |
US10/403,510 Continuation US6792771B2 (en) | 1998-12-16 | 2003-04-01 | Air-conditioning apparatus |
Publications (1)
Publication Number | Publication Date |
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WO2000036345A1 true WO2000036345A1 (fr) | 2000-06-22 |
Family
ID=18453795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/006933 WO2000036345A1 (fr) | 1998-12-16 | 1999-12-09 | Conditionneur d'air |
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US (2) | US6539744B1 (ja) |
EP (1) | EP1143208B1 (ja) |
JP (1) | JP2000179963A (ja) |
CN (1) | CN100458309C (ja) |
DE (1) | DE69931811T2 (ja) |
WO (1) | WO2000036345A1 (ja) |
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US6705092B1 (en) * | 2001-11-14 | 2004-03-16 | Honeywell International Inc. | Vapor membrane dehumidification for air cycle environment control system |
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CN101158486B (zh) * | 2007-03-28 | 2012-03-14 | 宋学让 | 高能效采暖机 |
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KR101221606B1 (ko) * | 2011-03-07 | 2013-01-16 | 주식회사 넥스디 | 압축과 팽창이 독립적 구성에 의해 이루어지는 공기 순환 장치 |
DE102012222414A1 (de) * | 2012-12-06 | 2014-06-12 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Energieumwandlung und Wassergewinnung |
CN103115411A (zh) * | 2013-03-19 | 2013-05-22 | 关松生 | 直接压缩空气制冷空调 |
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CN105858774B (zh) * | 2016-06-21 | 2018-12-11 | 海南沁园环境工程有限公司 | 一种分子态气浮机 |
WO2018070893A1 (ru) | 2016-10-10 | 2018-04-19 | Общество с ограниченной ответственностью "ДЕТА Инжиниринг" | Приточно-вытяжное устройство |
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CN108826477A (zh) * | 2018-08-07 | 2018-11-16 | 珠海格力电器股份有限公司 | 一种空调系统 |
FR3098281B1 (fr) * | 2019-07-05 | 2022-06-10 | Prieur Andre | Climatiseur d’air |
CN111854295A (zh) * | 2020-07-28 | 2020-10-30 | 山东天瑞重工有限公司 | 一种气体制冷系统 |
CN113028670B (zh) * | 2021-02-10 | 2022-06-07 | 西安交通大学 | 一种全新风空调系统及方法 |
CN112902327A (zh) * | 2021-03-11 | 2021-06-04 | 珠海格力电器股份有限公司 | 压缩空气空调系统 |
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- 1999-12-09 US US09/857,486 patent/US6539744B1/en not_active Expired - Fee Related
- 1999-12-09 CN CNB998145157A patent/CN100458309C/zh not_active Expired - Fee Related
- 1999-12-09 EP EP99959742A patent/EP1143208B1/en not_active Expired - Lifetime
- 1999-12-09 WO PCT/JP1999/006933 patent/WO2000036345A1/ja active IP Right Grant
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---|---|---|---|---|
US6705092B1 (en) * | 2001-11-14 | 2004-03-16 | Honeywell International Inc. | Vapor membrane dehumidification for air cycle environment control system |
CN110319513A (zh) * | 2018-03-31 | 2019-10-11 | 吴其兵 | 一种新风空调系统 |
Also Published As
Publication number | Publication date |
---|---|
US6792771B2 (en) | 2004-09-21 |
DE69931811T2 (de) | 2006-11-16 |
CN100458309C (zh) | 2009-02-04 |
CN1330756A (zh) | 2002-01-09 |
US20030209028A1 (en) | 2003-11-13 |
EP1143208A1 (en) | 2001-10-10 |
JP2000179963A (ja) | 2000-06-30 |
DE69931811D1 (de) | 2006-07-20 |
EP1143208B1 (en) | 2006-06-07 |
US6539744B1 (en) | 2003-04-01 |
EP1143208A4 (en) | 2003-05-07 |
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