WO2022097757A1 - ハイブリッド冷却による冷房乃至は冷却装置 - Google Patents

ハイブリッド冷却による冷房乃至は冷却装置 Download PDF

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Publication number
WO2022097757A1
WO2022097757A1 PCT/JP2021/042346 JP2021042346W WO2022097757A1 WO 2022097757 A1 WO2022097757 A1 WO 2022097757A1 JP 2021042346 W JP2021042346 W JP 2021042346W WO 2022097757 A1 WO2022097757 A1 WO 2022097757A1
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Prior art keywords
air
cooling
cooled
heat
water
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PCT/JP2021/042346
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English (en)
French (fr)
Japanese (ja)
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健兒 梅津
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株式会社Ｇｆ技研
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Priority to JP2022560842A priority Critical patent/JPWO2022097757A1/ja
Publication of WO2022097757A1 publication Critical patent/WO2022097757A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/039—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing using water to enhance cooling, e.g. spraying onto condensers

Definitions

  • the device that cools the indoor air with the outdoor air is called a heat pump air conditioner and uses a refrigerant.
  • An air conditioner in which this refrigerant is compressed by a compressor and the high-temperature refrigerant is cooled by outdoor or indoor air has been realized and is widely used worldwide.
  • this method consumes a large amount of power from the compressor, and when the power is generated, the exhaust gas of the generator or the leaked gas of the refrigerant is one of the causes of global warming. It is thought that the spread of air conditioners will increase worldwide in the future, and there is a possibility that it will have a more adverse effect on global warming than the exhaust gas of cars, so it can be said that it has a big problem on a global scale.
  • the so-called fin tube heat exchanger which is a heat exchanger between the refrigerant and air used in the above-mentioned heat pump air conditioner, is designed to achieve extremely high performance, reliability, and compactness, and can be mass-produced. Since the method has been established, reduction of the compression power applied to the refrigerant compressor, that is, reduction of power consumption has been promoted, but now it has reached the limit. Moreover, the spread of air conditioners is constantly increasing, and the increase in greenhouse gas emissions is unstoppable.
  • the air-to-air heat exchanger used for cooling and cooling by the water evaporation utilization cooling method which is a further advanced method, that is, the water evaporation indirect cooling heat exchanger IDEC (Indirect Evaporative Cooler) is a refrigerant circulation type cooling device. It has hardly been realized in the product field of air conditioners and air conditioners. The reason is that the performance comparable to that of the refrigerant compression type air conditioner has not been obtained, but it is also because the excellent design and manufacturing method have not been realized, and sufficient marketing is not done and the product concept is insufficient. Therefore, the final products such as air cooling devices, cooling devices, and heating devices are not ensured in size, low cost, sufficient performance, and reliability, and are not mass-produced.
  • IDEC Direct Evaporative Cooler
  • Patent Document 1 presents a technique for realizing a cooling / dehumidifying system utilizing the latent heat of vaporization of water. According to the summary, it is equipped with an indirect vaporization cooling device (referred to as a water evaporation indirect cooling heat exchanger in this proposal) and a desiccant humidity control device to realize a cooling and dehumidifying system with high cooling capacity and dehumidifying capacity. Presenting new technology.
  • Cooled air is passed through the wet channel to form a wet film by attaching a water retaining agent to the heat transfer surface in order to utilize the wet-bulb temperature, and the cooled air (treated air) passes through the dry channel through the heat transfer surface. ) Is cooling. 2. In order to enhance the cooling effect, cooling air and non-cooling air are flowed in a countercurrent flow. 3. By taking out a part of the air at the outlet of the cooled air flowing through the dry channel and flowing it to the wet channel in the direction opposite to the dry channel, the processed air of the dry channel is separated by this part of the air. Cool more efficiently.
  • the above three techniques are extremely effective techniques for cooling the treated air.
  • Patent Document 2 presents a technique for further enhancing the cooling effect. Using a thin aluminum heat transfer plate, it is molded into a corrugated plate shape, and many improvement items are presented, such as making the two air flows countercurrent. However, although some improvement can be expected with this alone, a sufficient effect cannot be expected.
  • Water evaporation Indirect cooling heat exchanger A power refrigeration cycle device that uses a refrigerant based on a cooling device that uses an air-to-air heat exchanger called IDEC, and a dehumidifying device that uses a desiccant unit that uses a heat source such as a solar heat source. It is to clarify the method and technology to use the above in combination with the hybrid. The purpose of solving the problem is as follows: 1) While sufficiently improving the cooling performance, 2) Reducing the amount of electric power energy used, 3) Significantly reducing the amount of refrigerant used, and 4) Improving the air quality of the treatment space.
  • the advantage of this method is that it is easy to obtain a stable drive power supply anywhere and anytime.
  • the problems of this method are that it consumes a large amount of power and that it uses a fluorocarbon refrigerant whose use is about to be regulated internationally.
  • the main reason for the large power consumption is that the outdoor air temperature reaches 35 ° C. in the summer, so that the condensation pressure increases and the compression power of the compressor increases.
  • Means 2 method using water evaporation indirect cooling type heat exchanger ...
  • the main method adopted and proposed is cooling by water evaporation indirect cooling type heat exchanger and a command chamber device.
  • More than 100 thin aluminum plates are laminated with a certain gap, and the outdoor air and indoor air are flowed independently in each gap so that they do not mix, and heat is exchanged between them.
  • both air are cooled by the heat of vaporization of tap water and flow out.
  • the indoor air is cooled without being humidified, that is, it is cooled.
  • the outdoor air is humidified and cooled. Therefore, if the cooling heat of both the indoor air and the outdoor air to be cooled can be used together, the cooling effect will be doubled.
  • the advantage of this method is that when cooling, only the blower power is used, the power consumption is low, and the energy efficiency is high.
  • the problem is that the cooling capacity is reduced when the humidity of the treated air, especially the outdoor air, is high.
  • the third means for cooling and cooling is cooling with a water evaporation indirect cooling heat exchanger using desiccant member, before processing with a command chamber device. It is a method to enhance the cooling and cooling effect by adsorbing and dehumidifying the moisture of the indoor air. Therefore, it is necessary to first remove (dehumidify) the moisture from the member by using outdoor air heated to about 60 ° C. as a pretreatment.
  • the structure of the desiccant member is such that a hygroscopic material made of silica gel, zeolite, polymer resin, etc., which has hygroscopic properties, is supported on the surface and inside, and is molded in a wavy shape with the paper or resin sheet flat plate that is the base material.
  • a cardboard sheet is formed by laminating a molded plate that has been (processed) or a triangular shape continuously molded into a cardboard shape with a space for air passage inside, and then stacking a large number of them inside.
  • the air enthalpy is lowered by dehumidifying the air, and the air is cooled and cooled in combination with the above two methods.
  • the advantages of this method are that it can reduce the amount of power consumed by using heat without using power, and that the hot water storage tank required for storing heat such as solar heat in hot water is not required, and the desiccant box itself is a heat storage layer. The required volume can be reduced compared to the hot water tank method that uses the sensible heat of water to store heat by using the latent heat of water, and the energy stored by heat leaks that occur in hot water storage tanks, etc.
  • the technique described in claim 1 is a technique for cooling the air to be cooled to a lower temperature by combining means 1, a heat pump method and means 2, and a method using a water evaporation indirect cooling heat exchanger.
  • the air to be cooled is cooled to near the wet bulb temperature of the cooling air with almost no power consumption by the means 2, but when the wet bulb temperature is high due to rainy weather or the like, the cooled air is only about 1 to 2 ° C. It may not be cooled. Therefore, when the heat pump of the means 2 is used for additional cooling, the cooling effect can be sufficiently obtained, but the power consumption of the heat pump, that is, the power consumption of the compressor is added, and the water evaporation cooling type heat exchanger of the main means can be used.
  • claim 1 is a technique of using the cooling side air cooled by the water evaporation cooling type heat exchanger as the cooling air of the find tube refrigerant condensed radiator which is the condenser of the heat pump.
  • the electric power required for the compressor to compress the refrigerant is reduced to about 40% compared to using the air on the cooling side as it is, and the cooling capacity of the heat pump is reduced to 130%.
  • the air to be cooled is first cooled by a water evaporation indirect cooling type heat exchanger, and further cooled by a fin tube refrigerant evaporation cooler as described in claim 1, and at the same time, from the cooled air.
  • Dehumidify This air is heated and reheated by the upstream find tube refrigerant condensed radiator provided separately from the find tube refrigerant condensed radiator described above in the heat pump, and as a result, the cooled air is output without being excessively cooled. Since it is output mainly in a dehumidified state, the dry operation effect usually referred to can be obtained.
  • Claim 3 is a technique for further improving the efficiency and cooling performance of the method according to claim 1 by a simple method.
  • the cooling efficiency of a heat pump is significantly improved by sprinkling water on the heat radiation fin portion on the outer surface of the fin tube condenser which is a heat sink.
  • a method in which a water tank and a pump for sprinkling water on a water evaporation indirect cooling type heat exchanger are installed in claim 1, and the cooling performance of the heat pump can be easily improved by sprinkling the water on a fin tube condenser. Is proposed as a new technology.
  • the technique of claim 4 is used by dividing a part of the cooled air after cooling and returning it as cooling air, and when the air volume of about 30% is returned, the cooling air is output. It is known that the temperature can be reduced by about 1.0 ° C.
  • the returned 30% of the air is also the ventilation air from the room to the outside. If the indoor air cooled by the normal cooling operation is ventilated by the above effect, the outdoor air having a higher temperature will enter the room in terms of balance. It has the effect of recovering about 50% of the heat loss (called ventilation energy loss) due to ventilation.
  • ventilation energy loss due to ventilation.
  • both the cooling air and the cooled air are cooled by the heat of vaporization of water and discharged.
  • the technique of claim 5 is an idea of blowing both output airs into different spaces and using them for cooling and cooling of both spaces.
  • the technique of claim 6 is to stop sprinkling and operate the heat pump when the temperature of the space where there is a heat generating source in the space and the air to be cooled is blown out is higher than the temperature of the air to be cooled. It is a technology that cools and cools the space cooled by the water evaporation indirect cooling type heat exchanger without sprinkling water only by stopping and blowing air. Of course, the main purpose is to save energy. Typical examples are factory spaces with a lot of internal heat generation and office spaces in the evening when the outside air is cold.
  • a seventh aspect of the present invention is a technique for heating in the cooling / cooling device according to the first aspect.
  • a switching valve called a four-way switching valve
  • the fin tube refrigerant evaporative cooler according to claim 1 changes to the fin tube refrigerant reduced radiator to heat the cooled air for heating.
  • the heat source absorbs heat from the cooling air with a cooler that has changed from a fin tube refrigerant condensation radiator to a fin tube refrigerant evaporation cooler.
  • Claim 8 presents a standard basic technique for cooling a room.
  • claim 9 presents a method of cooling by releasing the cooled air into the room by using the outdoor air for both the cooling air and the cooling air. In this case, we aim to achieve the maximum air supply / ventilation effect by releasing a large amount of outdoor air into the indoor space.
  • Claim 10 presents a technique for supplying and ventilating outdoor air and at the same time exhausting and ventilating indoor air. According to this, if the air supply and exhaust volume are equalized to increase the ventilation volume and the air volume flows in and out equally, the indoor air pressure is equalized to the outdoor air pressure, and it becomes positive pressure or negative pressure.
  • Claim 11 presents a method of easily installing a ventilation air passage to perform supply air ventilation and exhaust ventilation in the proposed devices of claims 1, 2, 3, 4, and 5.
  • Most of the equipment is air passages that pass air on the cooling side and air on the cooling side, and since both air passages are adjacent to each other, a ventilation hole (ventilation port) is provided in the partition wall (partition wall). If a blower is installed there, it is possible to easily transfer air from one air passage to the other air passage.
  • Claim 12 presents a technique for controlling cooling and cooling capacities.
  • the desiccant slip is a flat plate made of paper or resin carrying a desiccant material (hygroscopic material) such as silica gel, zeolite, or a polymer hygroscopic material, and a flat plate made of resin, which is molded into a wavy shape.
  • a desiccant material hygroscopic material
  • the corrugated sheets are overlapped as shown in FIG. 4 and the whole is joined in a flat shape, and the planar shape is a quadrangle.
  • FIG. 4 shows the cross section so that the wavy shape can be seen.
  • a number of these desiccant slips are stacked so that the wave shapes are in the same direction to form a desiccant block.
  • the air to be cooled is passed through the desiccant block in advance to absorb moisture by the desiccant hygroscopic material, and the temperature is raised by a corresponding amount.
  • the amount of cooling heat when cooled in the water evaporation indirect cooling type heat exchanger and the fin tube refrigerant evaporation cooler is larger than that in the case where the desiccant block is not passed. To increase. If it is humidified and adjusted before it is finally blown out as output air, it will be possible to output cooler air at the optimum humidity.
  • two types of steps a so-called drying preparation step of heating and releasing the hygroscopic agent in the desiccant block and a step of absorbing moisture and absorbing moisture from the air-conditioned air, may be performed at the same time, so two blocks are prepared. However, it is necessary to operate these two steps simultaneously or separately.
  • the drying preparation step of heating and releasing the hygroscopic agent in the desiccant block and a step of absorbing moisture and absorbing moisture from the air-conditioned air
  • two blocks are prepared. However, it is necessary to operate these two steps simultaneously or separately.
  • In the daytime it is possible to dehumidify the air-conditioned air by the moisture absorption process during the daytime cooling process by drying both blocks using solar heat, and using separate blocks one by one during the daytime. It is also possible to perform the drying step and the moisture absorbing step for cooling at the same time.
  • This desiccant block has a kind of heat storage layer function that utilizes the latent heat of water.
  • Claim 15 presents that it is easy to install and store in a narrow space such as a ceiling, an attic, or an underfloor space of a high-rise building or a house, or a space with a weight limit. Its characteristics are extremely effective as part of the air conditioner of the building.
  • FIG. 1 is an internal configuration diagram viewed from the side of the hybrid cooling device according to the present invention.
  • FIG. 2 is a side view of the 100% ventilated cooling / cooling device according to the present invention.
  • FIG. 3 is a side view of the 100% ventilation / exhaust type cooling / cooling device according to the present invention.
  • FIG. 4 is a cross-sectional view of the desiccant slip according to the present invention.
  • FIG. 1 shown in FIGS. 1 and 2 shows a side view of the hybrid cooling / cooling device 1 according to the present invention.
  • 16 indicates the outer wall of the building, the left side of which is indoors and the right side is outdoor.
  • the indoor air 7 is sucked from the suction port of the air 20 to be cooled, advances to the right on the front side of the upper part of the apparatus, makes a U-turn to the middle part, and is cooled in the water evaporation indirect cooling type heat exchanger 2. It is cooled while proceeding from right to left in the flow path of the flowing air. After that, it passes through the fin tube refrigerant evaporation cooler 3 and is further cooled to a lower temperature to be dehumidified. As a result, hybrid cooling is performed.
  • the dry fin tube refrigerant condensed radiator 5 When the dry fin tube refrigerant condensed radiator 5 is operating, it is heated by the dry fin tube and is sent out by the air blower 8 on the side where the temperature becomes substantially the same as the indoor air temperature and is cooled into the room. When no refrigerant is flowing in the dry fin tube 5, the cooled air is blown into the room in a cooled state for cooling. On the other hand, the outdoor air on the cooling side is sucked from the suction port 19, passes through the inner side of the upper part of the apparatus, and is sucked from the upper surface of the water evaporative cooling type heat exchanger 2.
  • water is sprayed by three sprinklers 15 as indicated by the arrows, and together with the outdoor air, flows down the flow path of the cooling air of the heat exchanger 2, and the surface of the flow path at that time is sprinkled. It flows together with the water and cools the surface of the flow path by evaporating the water.
  • the water evaporation indirect cooling heat exchanger 2 is not shown, 129 vertical and 129 thin aluminum plates having a plane area of 300 mm in length and width and about 260 sheets are laminated in a state where the pitch is 3 mm. Every other air passage that flows in the direction and 129 in the horizontal direction is configured, and the vertical air passage and the horizontal air passage are configured to exchange heat between the air flowing across the thin aluminum plate. ing.
  • the cooling air flowing through the vertical air passage and the cooling air flowing through the horizontal air passage are completely separated and are configured so as not to be mixed.
  • the basic structure of this heat exchanger is known as a plate-type air-to-air heat exchanger.
  • the outdoor air on the cooling side passes through the fin tube refrigerant condensed radiator 4, cools the outdoor air, and the temperature of the outdoor air rises by that amount and is exhausted to the outside of the device by the air blower 10 on the cooling side.
  • water is sprinkled in the direction of the arrow from the sprinkler 14 for the fin tube refrigerant condenser, and the radiator 4 is efficiently cooled by utilizing the latent heat of vaporization of the water.
  • the sprinkler 14 and the sprinkler 15 utilize the water pumped from the evaporative cooling water storage tank 13 by the evaporative cooling water water pump 12. Of the water sprinkled from all the sprinklers, the portion that has not evaporated is returned to the water storage tank 13 for evaporative cooling water and reused.
  • the additional cooling air blower 11 When the additional cooling air blower 11 is operated, the cooled air is sent to the cooling side air 9 after being cooled, and flows as the cooling air as shown by the arrow air volume shown in the figure to operate. Exhaust ventilation is performed by this amount of air. Since the temperature of this air is lowered, the downstream portion of the cooled air in the water evaporation indirect cooling heat exchanger 2 of the air 7 cooled by the temperature is further cooled, so that the temperature is lower.
  • the air supply / ventilation blower 17 When the air supply / ventilation blower 17 is operated, air supply / ventilation is performed for the air volume. When the two ventilation blowers 11 and 17 are operated at the same time, the air supply and the exhaust are balanced, so that there is an effect that the indoor air pressure can be ventilated in the atmospheric pressure state.
  • the heat exchangers of the refrigerant compressors 6 and 3, 4, and 5 have the same configuration as a general heat pump refrigeration cycle.
  • the refrigerant is not a Freon refrigerant, but a new refrigerant such as an HC refrigerant that does not affect global warming.
  • HC propane gas which is an operating refrigerant
  • a 6-refrigerant compressor to form a high-temperature, high-pressure gas refrigerant, which is dissipated by the fin tube refrigerant condensing radiator 4 to change to a liquid refrigerant.
  • this liquid refrigerant is not shown, the flow rate and pressure are controlled by an expansion valve, and the outlet becomes a low temperature liquid refrigerant, which is sent to the fin tube refrigerant evaporation cooler 30 to cool the room air.
  • the high temperature gas refrigerant discharged from the compressor is first guided to the 5-dry fin tube refrigerant condensed radiator and dissipated to the cooled indoor air. Is reheated, and then sent to the fin tube refrigerant condensed radiator 4 to flow as described above.
  • both the air on the cooling side and the air on the cooling side are cooled by the latent heat of evaporation of the sprinkled water. Both can be used as cooling and cooling devices.
  • the air installed in the office in the factory and cooled is used to cool the inside of the office, and the cooling air is used as a device to cool the inside of the factory around the office.
  • the air on the cooling side is humidified, it can be used as a cooling device in an open space factory.
  • a normal heat pump type air conditioner the air on the cooling side is exhausted at a high temperature, so a cooling effect cannot be expected, but in a cooling device using a water evaporation indirect cooling type heat exchanger, the effect of cooling not only the indoor side but also the outdoor side Can be expected.
  • the cooling water sprinkling is stopped, the flow of the refrigerant in the heat pump cycle is changed, and the fin tube heat exchangers shown in 3 and 5 are condensed radiators, and the fin tube heat exchangers shown in 4 are used. Switch the control valve (not shown) during the cycle to operate as an evaporative heat exchanger.
  • FIG. 2 shows a side configuration view of a fully ventilated hybrid cooling cooling system.
  • the device of FIG. 1 is based on zero ventilation, whereas the device of FIG. 2 is based on 100% ventilation. It is a device suitable for spaces with poor air environment, and is based on the fact that all the air handled is outdoor air. Outdoor air is also used for the air 7 on the cooling side, and outdoor air is also used for the air on the cooling side.
  • the air supply / ventilation blower 17 installed in the device of FIG. 1 is not installed. Air conditioners with high ventilation are desired in distribution warehouses, factories, open restaurants, etc. where the indoor air environment is poor.
  • the desiccant slip used here is a flat plate made of paper or resin carrying a desiccant (hygroscopic material) such as silica gel, zeolite, or a polymer hygroscopic material, and a wavy shape thereof.
  • a desiccant hygroscopic material
  • the corrugated sheets molded into the above are laminated and joined in a plane shape, and the plane shape is a quadrangle.
  • the figure shows the cross section so that the wavy shape can be seen.
  • a number of desiccant slips are stacked so that the wave shapes are in the same direction to form a desiccant block. Since the vertical pitch 32 and the wave pitch 33 exist, an air passage through which air passes is configured in the desiccant block.
  • Each of the two desiccant blocks is equipped with two blowers for ventilation, a total of four blowers (not shown), and the blower for passing the heat source air taken from the heat source and the air on the cooling side. It is a blower for passing 7.
  • one desiccant block is dried using the heat of the summer sun, and another desiccant block is used for cooling used in the cooling and cooling apparatus shown in FIGS. 1, 2, and 3.
  • a mode that uses the air on the side to dry and raise the temperature, and two desiccant blocks that are dried using the heat of the summer sun, and in the evening, these two desiccant blocks are used in the figure.
  • an air conditioner and an air conditioner can be realized by a new principle instead of the conventional refrigerant type air conditioner, and a new air conditioner market can be cultivated.
  • a new air conditioner market can be cultivated.
  • the world's new air conditioning industry will spread all over the world.
  • an air conditioner with zero energy consumption will be created by using solar heat.
  • Hybrid cooling and cooling device 2 Water evaporation indirect cooling heat exchanger 3 Fin tube refrigerant evaporation cooler 4 Fin tube refrigerant condensed radiator 5 Dry fin tube refrigerant condensed radiator 6 Refrigerator compressor 7 Air to be cooled 8 Blower for cooled air 9 Air on the cooling side 10 Blower for air on the cooling side 11 Blower for additional cooling air 12 Pump for evaporative cooling water 13 Water storage tank for evaporative cooling water 14 Fin tube Sprinkler for refrigerant condensed radiator 15 Water Evaporation Sprinkler for indirect cooling heat exchanger 16 Building outer wall 17 Air supply ventilation blower 19 Cooling air suction port 20 Cooled air suction port 30 Desiccant flat plate 31 Desiccant corrugated plate 32 Desiccant flat plate pitch 33 Desiccant wave Wave pitch of the board

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PCT/JP2021/042346 2020-11-05 2021-11-04 ハイブリッド冷却による冷房乃至は冷却装置 WO2022097757A1 (ja)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117168011A (zh) * 2022-05-27 2023-12-05 北京市京科伦工程设计研究院有限公司 一种基于水汽冷剂的新型制冷装置及其制冷方法
WO2024004319A1 (ja) * 2022-06-27 2024-01-04 シャープ株式会社 全熱交換器及び換気装置

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH044633U (enrdf_load_stackoverflow) * 1990-04-26 1992-01-16
JP2006313027A (ja) * 2005-05-06 2006-11-16 Mitsubishi Electric Corp 換気空調装置
CN102425822A (zh) * 2011-09-02 2012-04-25 张洪 新风空调
JP2016090136A (ja) * 2014-11-05 2016-05-23 梅津 健兒 水蒸発冷却による冷房装置
JP2018021711A (ja) * 2016-08-04 2018-02-08 梅津 健兒 水蒸発冷却器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH044633U (enrdf_load_stackoverflow) * 1990-04-26 1992-01-16
JP2006313027A (ja) * 2005-05-06 2006-11-16 Mitsubishi Electric Corp 換気空調装置
CN102425822A (zh) * 2011-09-02 2012-04-25 张洪 新风空调
JP2016090136A (ja) * 2014-11-05 2016-05-23 梅津 健兒 水蒸発冷却による冷房装置
JP2018021711A (ja) * 2016-08-04 2018-02-08 梅津 健兒 水蒸発冷却器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117168011A (zh) * 2022-05-27 2023-12-05 北京市京科伦工程设计研究院有限公司 一种基于水汽冷剂的新型制冷装置及其制冷方法
WO2024004319A1 (ja) * 2022-06-27 2024-01-04 シャープ株式会社 全熱交換器及び換気装置

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