WO2020085354A1 - 熱交換機を用いた空気調和機、空調システム、管理サーバ、および熱交換機 - Google Patents

熱交換機を用いた空気調和機、空調システム、管理サーバ、および熱交換機 Download PDF

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Publication number
WO2020085354A1
WO2020085354A1 PCT/JP2019/041435 JP2019041435W WO2020085354A1 WO 2020085354 A1 WO2020085354 A1 WO 2020085354A1 JP 2019041435 W JP2019041435 W JP 2019041435W WO 2020085354 A1 WO2020085354 A1 WO 2020085354A1
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Prior art keywords
heat exchanger
air
medium
air conditioner
temperature
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PCT/JP2019/041435
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English (en)
French (fr)
Japanese (ja)
Inventor
賢治 岩澤
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Ｍｄｉ株式会社
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Priority to JP2020553418A priority Critical patent/JPWO2020085354A1/ja
Publication of WO2020085354A1 publication Critical patent/WO2020085354A1/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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units 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
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag

Definitions

  • the present invention relates to a technology of an air conditioner that has high cooling efficiency or heating efficiency while suppressing energy consumption.
  • Patent Document 1 discloses an air conditioner for realizing energy saving in a plant factory. The basic principle is to pass well water through a fin tube to create cold air and supply it to the factory.
  • Patent Document 1 the technology of passing well water through the fin tube as disclosed in Patent Document 1 requires a large amount of water. Further, depending on the required cool air, it is often a condition that the temperature of the supplied water is low. Therefore, the equipment that can be introduced was limited.
  • Patent Document 2 as an air conditioner for the interior of an electric vehicle, each air conditioning mode of cooling, dehumidifying cooling, heating, and dehumidifying heating can be switched without using a four-way valve, and waste heat of a heating element is used.
  • An air conditioner that improves heat exchange efficiency is disclosed.
  • Patent Document 3 as a cooling device having a simple and compact structure, excellent maintainability, no restriction on installation location, and high cooling efficiency, cooling water returning from a device to be cooled is cooled by a finned radiator. A technique of sending to the device is disclosed.
  • Patent Document 4 discloses a technique of a heat exchanger that makes the cooling operation efficient by exchanging waste heat of the gas engine and heat exchange of the refrigerant side without affecting each other.
  • the entire structure that can withstand pressure loss is required, and as a result, the entire structure becomes larger.
  • the increase in size leads to high manufacturing costs, transportation costs, and the like, and also limits installation locations.
  • the problem to be solved by the present invention is a heat exchanger capable of realizing miniaturization while improving heat exchange efficiency, and an air conditioner using the heat exchanger, and a natural refrigerant such as well water (ground water, well water) or water supply. It is to provide technology that makes it easy to utilize natural energy from towers. At the same time, it is also an issue to provide a technology related to an air conditioner that can realize downsizing while improving the heating efficiency by utilizing natural heat sources such as geothermal heat and various artificial heat sources such as industrial wastewater.
  • an air conditioner capable of realizing miniaturization while improving heat exchange efficiency
  • a second invention an air conditioning system provided with a plurality of air conditioners according to the first invention
  • a third invention A management server for controlling the air conditioner according to one invention, a management server for controlling the air conditioning system according to the second invention as the fourth invention, and a management server for the air conditioner according to the first invention as the fifth invention.
  • the first invention relates to an air conditioner (10) for bringing the air to be adjusted close to the temperature of the medium of the heat exchanger. That is, the gas to be adjusted is taken into the air adjustment space (CS, WS) by the fan (40, 41), and the temperature of the gas to be adjusted is the temperature of the heat exchanger when it is discharged from the air adjustment space (CS, WS).
  • An air conditioner (10) for approaching the temperature of a medium A plurality of heat exchangers theoretically exist for the passage from the inlet to the outlet of the gas to be adjusted that passes through the air adjustment space (CS, WS), The plurality of heat exchangers (11, 12) are arranged in parallel from the inlet side to the outlet side of the air adjustment space (CS, WS), The temperature of the medium of the heat exchanger (12) arranged on the inlet side, and the difference between the temperature before adjustment of the gas to be adjusted are reduced, The difference between the temperature of the medium of the heat exchanger (11) arranged on the outlet side and the temperature of the gas to be adjusted before adjustment is increased.
  • the “fan” is installed on the inlet side of the air conditioner (10) and sends the gas (air) to be adjusted into the air cooling space (CS) (see FIG. 2), and the air conditioner (10).
  • the “fan” is not limited to the propeller type mechanism as long as it can send the gas to be adjusted to the air adjusting space (CS, WS).
  • the “medium” used to cool the “heat exchangers (for example, the chillers 11 and 12)” may be different media for each heat exchanger ("cold water (C1W)" in FIGS. 2 and 8). And “quasi-chilled water (C2W)”), the same medium may be used for all heat exchangers, and the medium that has passed through the heat exchanger located on the outlet side may be moved to the heat exchanger on the inlet side and circulated. (See FIGS. 6 and 7).
  • the unadjusted gas (HA) enters the heat exchanger (inlet cooler 12) arranged on the most inlet side in the air adjusting space (CS).
  • the air (HA) to be adjusted approaches the temperature of the medium (C2W) of the heat exchanger (12).
  • the gas to be adjusted which is adjusted by the heat exchanger (12), is sent to the heat exchanger (outlet cooler 11) arranged closest to the outlet side in the air cooling space (CS).
  • the gas to be adjusted is further adjusted so as to approach the temperature of the medium of the heat exchanger (11).
  • the temperature of the refrigerant (C2W) used in the inlet cooler (12) has only to be lower than the temperature of the gas to be cooled before adjustment, so that the number of refrigerant options increases.
  • ground water, sea water, river water, water cooled in a cooling tower, or the like for example, a refrigerant having a temperature of 30 degrees Celsius or higher can also be used.
  • hot water such as hot springs, hot water heated by a refuse incinerator, and hot waste water generated by cooling factory equipment can be used.
  • it contributes to reduce the total amount of electric energy required to cool the gas to be cooled and the energy required to warm the gas to be heated.
  • the heat exchanger in the air conditioner according to the first invention can use the fifth invention (described later).
  • the load of the power (for example, the fan (40)) for flowing the gas (HA) whose temperature is to be adjusted on the heat exchanger can be small. Moreover, since the gas to be adjusted has a large area in contact with the medium pipe (11, 12) per length in the traveling direction, the efficiency of heat exchange can be improved. Therefore, it contributes to downsizing of the air conditioner.
  • the first invention can also be formed as follows. That is, the medium after the heat exchange with the gas to be adjusted in the outlet side heat exchanger (11), the heat exchanger adjacent to the inlet side than the outlet side heat exchanger (11) (for example, It is provided with a reuse pipe (recooling pipe 26) for sending it as a medium before heat exchange to the inlet side heat exchanger 12) (see FIG. 6, FIG. 16, etc.).
  • the first invention can also be formed as follows. That is, the medium nozzle (refrigerant nozzle 11B, 11C) capable of flowing the medium (coolest refrigerant C1W) into and out of the outlet side heat exchanger (11) is the outlet side heat exchanger (11). Prepare both near the upper end and near the lower end.
  • the nozzle for medium (refrigerant nozzle 12B, 12C) capable of flowing in and out of the medium to the heat exchanger (12) on the inlet side is also provided near both the upper end and the lower end of the heat exchanger (12) on the inlet side. (See FIGS. 2 and 6).
  • the medium nozzles (11B, 11C) are provided near the upper and lower ends of the heat exchanger (11) on the outlet side, and the medium nozzles (12B, 12C) are provided near the upper and lower ends of the heat exchanger (12) on the inlet side.
  • the degree of freedom in layout including the type of medium and peripherals for feeding the medium can be increased (see comparison between FIG. 2 and FIG. 6).
  • the first invention can also be formed as follows. That is, provided with a feed pipe (25) for feeding the medium flowing through the outlet side heat exchanger (11) from the lower portion of the outlet side heat exchanger (11),
  • the outlet side heat exchanger (11) is provided with an overflow port (11D) at the upper part for overflowing the medium that has finished heat exchange with the gas to be adjusted.
  • the upper side of the heat exchanger inlet cooler 12 or intercooler 13
  • the upper side of the heat exchanger arranged adjacent to the inlet side than the heat exchanger (11) on the outlet side, the medium overflowing from the overflow port (11D), It is provided with receiving ports (12D, 13D) for receiving as a medium before heat exchange in the heat exchanger (see FIGS. 7 and 21).
  • the first invention can also be formed as follows. That is, the medium sent to the heat exchanger (11) on the outlet side and / or the heat exchanger (12) on the inlet side is a refrigerant cooled by a radiator (20), The radiator (20) is water-cooled and the water supplied to cool the radiator (20) is well water (see FIG. 6).
  • the "well water” is groundwater, river water, seawater, or the like. When the gas to be adjusted is the air in the room where a person is active, it is desirable that the temperature is 20 degrees Celsius or less in order to obtain the cooling effect.
  • the well water for cooling the refrigerant sent to the inlet cooler (12) may be higher than the temperature of the refrigerant sent to the outlet cooler (11).
  • the "radiator (20)” is, for example, a radiator used for an internal combustion engine. The cooler described in Variation 1 can also be used.
  • a second invention relates to an air conditioning system including a plurality of air conditioners according to the first invention. That is, an air conditioner that takes in the gas to be adjusted into the air adjusting space by a fan and makes the temperature of the gas to be adjusted approach the temperature of the medium of the heat exchanger when the gas is discharged from the air adjusting space, This is an air conditioning system provided in plural for the air adjustment space (see FIGS. 8, 26, 30, 31, and 32).
  • Each air conditioner theoretically has a plurality of heat exchangers for the passage from the inlet to the outlet of the gas to be cooled that passes through the air conditioning space,
  • the plurality of heat exchangers are arranged in parallel from the inlet side to the outlet side of the air adjustment space, The difference between the temperature of the medium of the heat exchanger arranged on the inlet side and the temperature before adjustment of the gas to be adjusted is reduced, The temperature of the medium of the heat exchanger arranged on the outlet side and the temperature before adjustment of the gas to be adjusted are to be increased,
  • the medium of the heat exchanger arranged on the inlet side of each of the air conditioners is an air conditioning system that uses natural energy to exchange heat.
  • Natural energy in “medium that exchanges heat using natural energy” means, for example, groundwater, seawater, river water, etc. as well as a cooling tower that uses heat of vaporization as a refrigerant when obtaining cold heat. Chilled water shall be included.
  • the heating medium for obtaining heat include hot spring water and hot water heated by sunlight, as well as hot water after being used as cooling water in incinerators and factory equipment (actively to perform heating. It does not use energy).
  • a third invention relates to a management server for controlling the air conditioner according to the first invention. That is, various data (CA1, CA2, CB1, CB2, ...) Is received from the single or plural air conditioners (10A, 10B, ...) According to the first aspect of the invention, and various received data (CA1 , CA2, CB1, CB2, ...) based on the control data (FA1, FB2, ...) to the air conditioner (10A, 10B, %) according to the second invention Is.
  • the management server is Measurement data receiving means for receiving the various data from the air conditioner (10A, 10B, ...), A measurement database that stores various data (CA1, CA2, CB1, CB2, ...) Received by the measurement data receiving means, The air conditioner (10A, 10B, %) Using the data accumulated in the measurement database and various data (CA1, CA2, CB1, CB2, ...) Received by the measurement data receiving means.
  • the data receiving means receives various data (CA1, CA2, CB1, CB2, %) From the air conditioners (10A, 10B, ).
  • the measurement database stores various data (CA1, CA2, CB1, CB2, ...) Received by the data receiving means.
  • the air conditioner (10A, 10B, 7) The calculation means calculates control data (FA1, FB2, %) For controlling the.
  • the control data transmitting unit transmits the control data (FA1, FB2, %) Calculated by the calculating unit to the air conditioner (10A, 10B, ).
  • the air conditioner (10A, 10B, ...) Having received the control data (FA1, FB2, %), various operations and their stop based on the control data (FA1, FB2, ). Is controlled. Since the management server can store various data (FA1, FB2, %) for each target equipment, it contributes to data analysis based on the various data and creation of control data for more efficient and effective operation. Data can be obtained.
  • the measurement data received by the measurement data receiving means is not only the data in the air conditioner (10A, 10B, ...), but also the temperature of the related equipment (for example, cooling tower), the refrigerant temperature, the outside temperature, and the water temperature of the well water. Of course, it is possible to include such as.
  • the fourth invention receives various data (CA1, CA2, CB1, CB2, %) From the air conditioning system according to the second invention, and receives various data (CA1, CA2, CB1, CB2, . ) Is a management server that transmits control data (FA1, FB2, ...) Based on (4) to the air conditioning system according to the third invention.
  • the management server is Measurement data receiving means for receiving the various data from the air conditioner (10A, 10B, ...), A measurement database that stores various data (CA1, CA2, CB1, CB2, ...) Received by the measurement data receiving means, The air conditioner (10A, 10B, %) Using the data accumulated in the measurement database and various data (CA1, CA2, CB1, CB2, ...) Received by the measurement data receiving means.
  • the third and fourth inventions may be formed as follows. That is, the management server includes weather forecast data receiving means for receiving weather forecast data, The calculation means calculates the control data also using the received weather forecast data (see FIG. 28).
  • the weather forecast data receiving unit receives the weather forecast data, and the computing unit computes the control data also using the received weather forecast data. It contributes to predicting changes in temperature and humidity and controlling so that total operation is rational.
  • a fifth invention is a medium pipe (refrigerant pipes 11 and 12) in which the direction of travel of the medium for heat exchange is a continuous crank shape and the thickness direction remains the continuous crank shape.
  • the “heat exchanger” according to the present invention can be used for cooling by using a refrigerant (for example, antifreeze) as a medium for heat exchange, and for heating by using a medium for heating (hot water).
  • a refrigerant for example, antifreeze
  • the "crank shape” does not mean only a square shape, but includes a shape with rounded corners.
  • the first aspect of the present invention it is possible to provide an air conditioner capable of realizing miniaturization while improving heat exchange efficiency.
  • the second invention it is possible to provide an air conditioning system including a plurality of air conditioners according to the first invention.
  • the management server for controlling the air conditioner according to the first invention can be provided.
  • the management server for controlling the air conditioning system according to the second invention can be provided.
  • the fifth aspect of the present invention it is possible to provide a heat exchanger capable of realizing miniaturization while improving heat exchange efficiency.
  • FIG. 7 is a side view of the embodiment shown in FIG. 6.
  • FIG. 7 is a plan view of the embodiment shown in FIG. 6. It is the front view seen from the fan side of the embodiment shown in FIG. It is the perspective view which looked at the fan side of the embodiment shown in FIG. 6 to this side.
  • FIG. 8 is a side view of the embodiment shown in FIG. 7.
  • FIG. 8 is a side view of the embodiment shown in FIG. 7. It is a perspective view which shows the cooling machine in the embodiment shown in FIG. It is a figure which shows the embodiment provided with three coolers. It is a figure which shows the embodiment provided with four coolers. It is a figure which shows the embodiment provided with two air conditioners.
  • FIG. 1 It is a figure showing an embodiment which carries out primary cooling of the air used as an object of cooling by an air harmony machine with an outside air heat exchanger. It is a figure which shows the open air heat exchanger shown in FIG. It is a figure which shows the embodiment provided with three coolers. It is a figure which shows the embodiment which employ
  • FIG. 3 is a model diagram showing a case where two air conditioners according to the present invention are installed in a predetermined cooling target space (CP) and data acquisition relating to the two units.
  • FIG. 27 is a conceptual diagram for controlling the cooling target space (CP) shown in FIG. 26 so as to be within a desired range of temperature and humidity.
  • FIG. 27 is a conceptual diagram for controlling the cooling target space (CP) shown in FIG. 26 so as to be within a desired range of temperature and humidity by also using weather data.
  • It is a key map showing an example of an air-conditioning system which heats a large air heating space using a plurality of air harmony machines concerning the present invention.
  • FIG. 33 is a side view showing an air conditioner (simplified type) used in the air conditioning system shown in FIG. 32.
  • FIG. 2 shows the basic structure of an air conditioner (cooling machine) 10 according to the present invention.
  • the pre-cooling air HA is taken into the air cooling space CS by the fan 40, cooled by the coolers 11 and 12, and is discharged from the air cooling space CS as post-cooling air CA.
  • the outlet cooler 11 is located on the outlet side of the air cooling space CS, and the inlet cooler 12 is located on the inlet side.
  • the coldest coldest water C1W is taken into the outlet cooler 11 as a refrigerant to cool the outlet cooler 11, and instead of cooling the air to be cooled, the coldest post-cooled water C1Wa is discharged from the outlet cooler 11.
  • refrigerant outlet nozzles 11A and 11B are provided at the upper and lower ends of the outlet cooler 11. Then, the coldest water C1W is shown to be taken in from the refrigerant nozzle 11B at the lower end connected to the feed pipe 25 and discharged as the coldest water C1Wa from the nozzle 11C for the refrigerant at the upper end.
  • the inlet cooler 12 takes in, as a refrigerant, the sub-cooled water C2W which is a refrigerant having a temperature higher than that of the coldest water C1W described above but a temperature lower than that of the air to be cooled.
  • the inlet cooling machine is cooled with the semi-cooled water C2W, and the pre-cooling air HA that has just been taken in by the fan 40 is discharged from the inlet cooling machine 12 as semi-cooled water C2Wa instead of being cooled in the first cooling space CS1.
  • refrigerant nozzles 12A and 12B are also provided at the upper and lower ends of the inlet cooler 12. Then, the semi-cooled water C2W is taken in from the refrigerant nozzle 12B at the lower end, and discharged from the upper nozzle 12C for the refrigerant to the return pipe 27 as semi-cooled water C2Wa.
  • the air cooled by passing through the inlet cooler 12 by the power of the fan 40 is sent to the outlet cooler 11 and further cooled.
  • coolers in two stages of the inlet cooler 12 and the outlet cooler 11 are described in FIG. 2, three or more coolers may be used (three coolers in FIG. 16 and four coolers in FIG. 17). Is used.).
  • FIG. 3 shows corrugated cold water generators 11 and 12 in which elliptical pipes (cold water pipes 11A and 12A) are continuous through fins. Since it is made of aluminum and used in automobile radiators, etc., it is easily available and inexpensive. However, a swirl easily occurs before the pre-cooling air HA is discharged as the post-cooling air CA. The pressure loss is also high due to the presence of fins. Therefore, the power required by the fan increases.
  • the air to be cooled contains oil, oil stains will also adhere, but if alkaline cleaning is performed to remove the oil stains, aluminum will corrode.
  • acid typically a factory that handles soy sauce, vinegar, bread, and eggs
  • pinhole cracks in fins also occur.
  • FIG. 4 the structure of the main part of the heat exchanger according to the present application is shown together with the relationship with the air to be cooled.
  • the main part of the heat exchanger used as the cooler (the inlet cooler 11 and the outlet cooler 12) in FIG. 2 has a continuous crank shape in which the refrigerant travels and has a thickness.
  • the refrigerant pipes 11A and 12A are kept in the direction of the continuous crank and the gas passages through which the cooling target gas flows through the crank-shaped gaps in the refrigerant pipes 11A and 12A.
  • the flow direction of the refrigerant shown in FIG. 4A the direction from the bottom to the top along the crank shape matched with the refrigerant tubes 11A and 12A is indicated by a combination of arrows. However, it may flow from the bottom to the top depending on the selection of the refrigerant nozzle that is determined by the conditions such as the installation location and layout of the air conditioner.
  • the gas to be cooled has a large area in contact with the refrigerant pipes 11A and 12A around the length in the traveling direction, so that it is efficiently cooled. Since the pressure loss is small, the load on the fan is small, which contributes to downsizing of the air conditioner as a whole.
  • the refrigerant tubes 11A and 12A also serve as fins of the conventional structure, they are stronger than the conventional structure and can withstand jet cleaning. Therefore, even if dust or the like attached to the air to be cooled adheres to the outside of the cold water pipes 11A and 12A, the cleaning is easy. With respect to oil stains, it can be cleaned by dynamic GCS and is less likely to corrode. Since there is no thin portion like the fin of the conventional structure, pinhole cracking due to acid is unlikely to occur.
  • FIG. 5 only differs from the embodiment shown in FIG. 2 in the position of the fan 40. That is, it only functions as a suction fan. It is easy to change the position of the fan 40 according to conditions such as the installation location and layout of the air conditioner 10 because the structure of the air conditioner 10 is simple.
  • FIG. 6 shows an air conditioner 10 as an embodiment to be installed in an environment where well water that is sufficiently cold can be used.
  • the air conditioner 10 is a cooling-only machine that sends a cooling target gas by a fan 40 to the air cooling space CS near the outer circumferences of the cooling devices 11 and 12 that are cooled by a refrigerant of an antifreezing liquid to cool the air.
  • the air conditioner 10 includes a pump 30 for circulating the antifreeze liquid in the coolers 11 and 12, a fan 40 for feeding a gas to be cooled into the air cooling space CS, and a gas to be cooled in the air cooling space CS.
  • a return pipe 27 for returning the exchanged refrigerant to the radiator 40.
  • the coolers 11 and 12 are an outlet cooler 11 arranged on the outlet side in the air cooling space CS and an inlet cooler 12 arranged adjacent to the inlet side of the outlet cooler 11. Between the outlet cooler 11 and the inlet cooler 12, a recooling pipe 26 that connects the refrigerant is connected. The re-cooling pipe 26 sends the refrigerant that has passed through the outlet cooler 11 to the inlet cooler 12.
  • Both the outlet cooler 11 and the inlet cooler 12 are arranged such that the refrigerant inlet is arranged at the lower position and the refrigerant outlet is arranged at the higher position. That is, the feed pipe 25 is connected to the lower part of the outlet cooler 11, and the recooling pipe 26 is connected to the upper part of the outlet cooler 11. The re-cooling pipe 26 is connected to the lower part of the inlet cooler 12, and the return pipe 27 is connected to the upper part of the inlet cooler 12. The return pipe 27 is connected to the pump 30.
  • the refrigerant cooled by the radiator 20 is sent to the outlet cooler 11 from the sending pipe 25 with the kinetic energy given to the pump 30.
  • the outlet cooler 11 into which the refrigerant is fed from the feed pipe 25 is arranged at a position closest to the outlet in the air cooling space CS.
  • the refrigerant passing through the outlet cooler 11 cools the outlet cooler 11 and cools the inlet cooler 12 via the recooling pipe 26. Then, the return pipe 27 returns to the radiator 20.
  • the inlet cooler 12 located near the inlet of the air cooling space CS is cooled by the refrigerant after cooling the outlet cooler 11 near the outlet of the air cooling space CS. Becomes Therefore, the temperature of the inlet cooler 12 near the inlet in the air cooling space CS is higher than that of the outlet cooler 11 near the outlet.
  • the gas to be cooled is taken into the air cooling space CS by the energy generated by the fan 40. Then, the temperature is lowered when passing through the inlet cooler 12 near the inlet, and further lowered when passing through the outlet cooler 11 near the outlet.
  • the cooling efficiency is high because it is lowered by first passing through the inlet cooler 12 having a small temperature difference from the gas to be cooled, and then passes through the outlet cooler 11 having a lower temperature.
  • the refrigerant that circulates in the outlet cooler 11 and the inlet cooler 12 and the refrigerant (well water) that cools the refrigerant in the radiator 20 exist at physically different places.
  • Well water that may be dirty does not circulate and maintenance is easy. That is, since the refrigerant circulating through the outlet cooler 11 and the inlet cooler 12 circulates in the closed space, dirt hardly occurs and maintenance is hardly required.
  • Well water that may be impurities only passes through the refrigerant pipe 23 in the radiator 20, and the refrigerant pipe 23 may be maintained (or replaced).
  • FIG. 7 The embodiment shown in FIG. 7 also shows the air conditioner 10 installed in an environment in which well water is sufficiently cold. The difference from the embodiment shown in FIG. 6 is that the recooling pipe 26 is omitted.
  • the refrigerant that has passed through the outlet cooler 11 from bottom to top overflows from the overflow port 11D provided at the upper end of the outlet cooler 11, receives the overflow refrigerant from the receiving port 12D provided at the upper end of the inlet cooler 12, and
  • the nozzle provided at the lower end of the cooler 12 returns to the pump 30 via the return pipe 27.
  • FIG. 9-10 show a state in which the main part of the air conditioner 10 shown in FIG. 6 is supported by the frame 17 and the casters 18. Further, a drain receiver 50 that receives drain (water droplets) generated from the outlet cooler 11 and the inlet cooler 12 is installed below the outlet cooler 11 and the inlet cooler 12.
  • a spare nozzle 16 that is not connected to the feed pipe 25, the recooling pipe 26, the return pipe 27, etc. (modeled as the refrigerant nozzles 12B, 12C in FIG. 2) are provided respectively.
  • the work of adapting the air conditioner 10 according to the present embodiment to the pipe or the like laid in advance at the place where the air conditioner 10 is to be installed is rationalized.
  • FIG. 12-14 12 to 14 show a state in which the main part of the air conditioner 10 shown in FIG. 7 is supported by the frame 17 and the casters 18. Since the recooling pipe 26 is omitted, the structure is simple and the appearance is refreshing.
  • the nozzles (only 12B and 12B in this figure) used in the outlet cooler 11 and the inlet cooler 12 are provided only in the lower end portion, but a spare nozzle 16 is also provided in the upper end portion. . This is to deal with layout changes and the like.
  • FIG. 8 shows an air conditioning system using a cooling heat source such as a cooling tower 71 and a chiller 60.
  • a cooling heat source such as a cooling tower 71 and a chiller 60.
  • the cooling tower 71 is utilized to save energy in the chiller 60 that uses electric power.
  • the cooling tower 71 can obtain water of 36 degrees Celsius as the pre-cooling air HA even at 40 degrees Celsius which is the same as the outside temperature. Some or all of the water of 36 degrees Celsius (controlled by the valve 61) is lowered to 31 degrees Celsius by the chiller 60 and supplied to the inlet cooler 12 as the quasi-refrigerant C2W. The outside air temperature is lowered to 33.6 degrees Celsius by the inlet cooler 12. On the other hand, the refrigerant C2Wa, which has finished the heat exchange with the outside air temperature, is returned to the cooling tower at 36 degrees Celsius.
  • the chiller 60 creates the maximum refrigerant C1W of 18 degrees Celsius and sends it to the outlet cooler 11 in order to achieve 22 degrees Celsius of the air CA after cooling.
  • the refrigerant C1Wa that has completed the heat exchange reaches 24 degrees Celsius and is returned to the chiller 60.
  • the chiller 60 cools the refrigerant supplied from the cooling tower 71 as needed, it is possible to save 40% or more electricity as compared with the case without the cooling tower 71.
  • the cooling target air is cooled stepwise by the cooling devices 11 and 12 in a plurality of stages, so that the capacity of the cooling tower 71 can be maximized.
  • FIG. 16 The embodiment shown in FIG. 16 is different from the above-described embodiments in that the third cooler 13 is provided at a position closest to the inlet in the air cooling space CS. Depending on the environment of the installation site, such as the cooling target air and well water, it may be possible to cool more efficiently than the air conditioner according to the first embodiment.
  • FIG. 17 differs from the embodiments shown in other than FIG. 5 in that the fan 41 is installed on the outlet side of the cooling target space CS. This is because it is more efficient to provide the blower fan 41 on the outlet side of the air cooling space CS than in the embodiment in which the fan 40 is provided at the inlet for taking in the gas to be cooled, and to cope with various indoor conditions.
  • the point that the fourth cooler 14 is provided at a position closest to the inlet in the air cooling space CS also differs from the embodiments shown in FIGS. 2 to 15.
  • the vertical dimension of the air conditioner 10 can be made compact without lowering the cooling performance (the same applies to the embodiment shown in FIG. 16).
  • the fourth embodiment shown in FIG. 18 is an air conditioning system including a plurality of air conditioners (two units 10A and 10B in FIG. 18) shown in the embodiments of FIG. 6 and the like.
  • the refrigerant cooled in the second air conditioner 10B executes heat exchange with the first well water in the radiator 20B.
  • the well water that has finished heat exchange in the radiator 20B is sent to the radiator 20A of the first air conditioner 10A by the first air conditioner pump 31 to perform heat exchange.
  • the temperature of the first air conditioner 10A becomes higher than that of the second air conditioner 10B after cooling the gas to be cooled. Since the gas to be cooled is cooled in the first air conditioner 10A and then in stages in the second air conditioner 10B, the energy efficiency may be improved.
  • the cold heat of the well water can be effectively used when the flow rate of the well water is abundant. .
  • the air cooling space CS is shown in an independent state.
  • the air conditioning system shown in FIG. 18 is suitable.
  • the air cooling space CS may be a single unit.
  • the well water, which exchanges heat with the refrigerant of the air conditioner 10 is taken into the radiator 20, then taken into the outside air heat exchanger 70 by the outside air heat exchanger pump 32, and exchanges heat with the outside air heat exchanger 70. Used for.
  • the detailed structure of the outside air heat exchanger 70 will be described in detail with reference to FIG.
  • FIG. 20 shows the structure of the outside air heat exchanger 70 schematically shown in FIG.
  • the outside air heat exchanger 70 is suitable for cooling indoor air (target air) in a server room as target equipment. It does not use the cold generated in expanding the compressor and the medium compressed by the compressor. This is so-called free cooling, and is called an "outside air heat exchanger" for convenience, but it also functions as an air conditioner by itself.
  • the outside air heat exchanger 70 includes an air cooler for taking in and cooling the outside air, an outside air drawing fan for sucking the outside air into the air cooler, and a first sprinkler for cooling the outside air stored in the air cooler by water sprinkling.
  • Machine a heat exchanger for exchanging heat with the target air by using the cool air cooled in the air cooler, and the treated air after the heat exchange while drawing the target air into the heat exchanger.
  • the adjusted air blower fan for returning the air into the target equipment, and the outside air drawn into the air cooler by the outside air intake fan is humidified before being discharged as outside air via the heat exchanger.
  • a second water sprinkler is used to control the outside air to the air.
  • the heat exchanger includes a first heat heat exchanger that performs heat exchange between the outside air cooled by being humidified by the second sprinkler and the target air, and the inside of the target air and the air cooler. And a second heat exchanger for exchanging heat of the cool air cooled by.
  • the first heat exchanger is located above the second heat exchanger. Then, the second sprinkler sprays from above the second heat exchanger.
  • the outside air drawing fan discharges outside air sucked into the air cooler through the second heat exchanger and the first heat exchanger. Further, the adjusted air blowing fan returns to the target equipment via the first heat exchanger and the second heat exchanger.
  • the water sprayed from the first sprinkler which is used to cool the outside air taken into the air cooler, is received by the lower water tank installed below the air cooler.
  • the water stored in the lower water tank is sucked up by the pump (P) and can be circulated as water sprinkled from the first sprinkler.
  • the amount of water supplied is continuously measured by a water meter (F1).
  • the second sprinkler sprays water to the outside air in order to lower the temperature by raising the humidity of the outside air whose temperature has risen after finishing the heat exchange in the second heat exchanger.
  • the water sprayed by the second sprinkler is illustrated as being supplied from a water storage tank labeled "Supply Water”. This supply water is sent from the outside air heat exchanger pump 32 of FIG.
  • the temperature is measured with a thermometer (T1) and the humidity is measured with a hygrometer (H1).
  • T1 thermometer
  • H1 hygrometer
  • T2 thermometer
  • H2 hygrometer
  • thermometer (T3) the temperature before adjustment of the indoor air of the target equipment (air to be cooled) is measured with a thermometer (T3) and the humidity is measured with a hygrometer (H3). Then, the temperature after being adjusted by the adjustment air blowing fan is measured by a thermometer (T4) and the humidity is measured by a hygrometer (H5).
  • thermometer (T5) The temperature of the outside air first cooled by the watering by the first water sprinkler is measured by a thermometer (T5), and the humidity is measured by a hygrometer (H5).
  • thermometer (T0) The temperature discharged by the outside air intake fan is measured by a thermometer (T0), and the humidity is measured by a hygrometer (H0).
  • the water sprinkled by the first sprinkler is supplied by a pump that pumps the water in the lower water tank, and its flow rate is measured by a flow meter (F1) and its temperature is measured by a thermometer (T6).
  • the watering by the second watering machine is provided by the pump for pumping up the water in the lower water tank and the supply water.
  • the temperature of the supply water is a thermometer (T7)
  • the flow rate provided to the second sprinkler by the pump is the flow meter (F2)
  • the flow rate of the supply water to the second sprinkler is the flow meter (F3). So, each is measured.
  • the control means for calculating the spray amount to be sprayed by the second sprinkler is the air conditioner in the present embodiment. Is equipped with.
  • the outside air which has been cooled by the air cooler but has undergone heat exchange by the second heat exchanger (the temperature has risen), is sprayed by the second sprinkler at the spray amount calculated by the control means.
  • the target air is cooled by the outside air whose temperature is lowered and humidity is increased.
  • the cooling of the target air since the cooling of the target air is continuously performed, it is first cooled by the first heat exchanger using the outside air cooled by the second water sprinkler, and is cooled by the first water sprinkler. After being cooled in the second heat exchanger using the outside air cooled in the cooler, it is returned to the target equipment by the adjusted air blowing fan.
  • the three-way valve turns on and off the supply to three locations.
  • the float valve turns the supply on and off.
  • the amount of supply to the first sprinkler is measured by the flow meter (F1), and the third valve turns the supply on and off.
  • the temperature of the supplied water is measured by a thermometer (T6).
  • the amount of supply to the second sprinkler is measured by the flow meter (F2) and the second valve turns the supply on and off. In addition, it also controls on / off of the supply from the three-way valve. The amount supplied from the three-way valve is measured by a flow meter (F3).
  • the lower water tank receives excess water droplets and dew condensation sprayed by the first and second sprinklers. Water that is likely to overflow from the lower water tank is discharged through the overflow nozzle. Condensation on the outer surface of the lower water tank is discharged through the drain nozzle. The water temperature of the lower water tank is measured with a water temperature gauge (T8).
  • the air to be cooled is once cooled by the outside air heat exchanger 70 described above and then cooled by the air conditioner 10, there are cases where the cooling efficiency is good. Also, the cold heat of well water can be effectively used.
  • FIG. 21 In the embodiment shown in FIG. 21, the same structure as the internal overflow type air conditioner 10 described in the embodiment shown in FIG. 7 is adopted between the central cooling machine 13 adjacent to the outlet cooling machine 11. There is. That is, by providing the overflow port 11D at the upper end of the outlet cooling device 11 and the receiving port 13D at the upper end of the central cooling device 13, the refrigerant that has been sent to the outlet cooling device 11 as the coldest water and has finished heat exchange is centrally cooled. Used by machine 13. The refrigerant used by the central cooling machine 13 is further used in the inlet cooling machine 12.
  • the shape of the water cooler 15 is easier to set than the other embodiments.
  • the dead space can be effectively used, for example, by forming a CS that matches the winding dead space and using a coiled water cooler for piping inside the CS.
  • FIG. 23 The embodiment shown in FIG. 23 is an air conditioning system that exchanges heat with a coolant for cooling the air to be cooled in an environment where seawater can be used as cold heat.
  • the seawater heat exchanger 72 using the seawater exchanges heat to 21.4 degrees Celsius as a refrigerant and provides it to the chiller 60.
  • the refrigerant is further cooled and supplied to the outlet cooler 11 of the air conditioner 10 at 18.7 degrees Celsius.
  • the refrigerant that has passed through the outlet cooler 11 is sent to the inlet cooler 12 through the recooling pipe 26 and cools the pre-cooling air HA at 40 degrees Celsius.
  • the refrigerant discharged from the inlet cooler 12 has a temperature of 28.7 degrees Celsius, and the sea water heat exchanger 72 cools it to 21.4 degrees Celsius, and returns to the chiller 60 again via the pump 30.
  • the seawater of 20 degrees Celsius taken into the sea water heat exchanger becomes 31.5 degrees Celsius and is discharged to the sea. This embodiment is effective when a large amount of cold heat sources such as river water and lake water are present in the vicinity as well as seawater.
  • FIG. 24 shows the air conditioning performance and the cost reduction effect when the air conditioner according to the above-described embodiment is adopted. Both adopt the air conditioner according to the present invention that performs cooling in multiple stages of cooling with a semi-cooled refrigerant before cooling with the coldest refrigerant, utilizing natural energy as the semi-cooled refrigerant, or heat. The refrigerant that has been exchanged is once cooled with natural energy and then cooled with electric energy.
  • FIG. 25 shows another example of the shapes of the refrigerant pipes 11A and 12A of the continuous crank pipe shown in FIG.
  • FIG. 25A shows coolers 11 and 12 provided with a refrigerant pipe formed by a continuous V-shaped pipe.
  • FIG. 25 (b) shows the coolers 11 and 12 provided with a refrigerant pipe made of a pipe having a shape of continuous semicircular arcs.
  • the flow direction of the refrigerant is illustrated from the bottom to the top, but depending on the conditions and the environment in which the air conditioner equipped with these coolers 11 and 12 is used, In some cases, the coolant may flow downward.
  • FIG. 26 is a conceptual diagram showing a case where a plurality of air conditioners 10 according to the first embodiment and the like are operated remotely.
  • the first air conditioner 10A and the second air conditioner 10B can send and receive data to and from the management server via the communication network (see FIG. 27).
  • the air conditioners 10 are separately provided, but the control devices of the air conditioners 10A and 10B can be provided in the management server and collectively controlled. .
  • the comprehensive control device in the management server may transmit the latest version of the control program to the local control device and update the control program. Good.
  • the measurement data from each thermometer, each hygrometer, and each flow meter is transmitted from the air conditioners 10A, 10B, ... To the management server.
  • measurement data receiving means for receiving measurement data transmitted from each air conditioner ⁇ , ⁇ , ..., Measurement database for accumulating the measurement data, received measurement data and past measurements It is provided with a computing means for computing the control data using the data, and a control data transmitting means for transmitting the computed control data to each of the air conditioners ⁇ , ⁇ , ....
  • Each of the air conditioners ⁇ , ⁇ , ... Having received the control data controls the outside air intake fan, the adjusted air blower fan, each pump, each valve, etc. by the received control data, Continue driving.
  • FIG. 28 is a conceptual diagram showing a variation of the management server shown in FIG. That is, the management server has a weather forecast data receiving means for receiving the weather forecast data.
  • Calculator calculates the control data also using the received weather forecast data. This contributes to predicting changes in temperature and humidity and controlling so that the total operation is rational. For example, increase the operation immediately before the expected maximum temperature time zone and weaken the operation during the maximum temperature time zone. In relation, contribute to rational driving.
  • the management server has been described on the premise that the cooling target space is controlled by a plurality of air conditioners in FIGS. However, even with the control by a single air conditioner, the management server may function in order to automatically control the cooling target space.
  • the air conditioning system of FIG. 8 will be described as an example.
  • the water temperature (and the water amount) of the coldest cold water C1W sent to the outlet cooler 11 and the water temperature (and the water amount) of the coldest cold water C1Wa that has finished heat exchange in the outlet cooler 11 are continuously measured, Data is received by the management server.
  • the temperature of the pre-cooling air HA and the temperature of the post-cooling air CA are continuously measured, and the management server receives these data.
  • the management server calculates the operating capacity of the chiller 60, the temperature of the chilled cold water C2W by the valve 61, and the amount of water so that the temperature of the air CA after cooling reaches the determined temperature. Then, the control signal based on the calculation result is transmitted to the chiller 60 and the valve 61.
  • control remote operation
  • FIGS. 6, 7, 16, 17, and 21 the air conditioner according to the embodiment illustrated in FIGS. 6, 7, 16, 17, and 21 is illustrated. It is natural that the management server can measure the necessary data, receive the data, and execute the necessary control even in the isolated operation.
  • the spare nozzles 16 are provided on both sides. It is easy to realize a piping layout that is compatible with the environment. Further, in the embodiments shown in FIGS. 6 and 7, it is easy to deal with the refrigerant and the water serving as the cold heat source for heat exchange even when the flow rate is large.
  • each air conditioner ⁇ , ⁇ , " is physically one air adjustment space (for example, Fig. 30, Fig. 31, Fig. 32), "each air conditioner ⁇ , ⁇ , ...
  • the management server controls one air conditioning system including "!.
  • each air conditioner ⁇ , ⁇ , ! is a physically different air conditioning space, for example, when one corporation manages air conditioning at multiple business sites, this management server is Will be in charge of air-conditioning management for the office.
  • FIG. 29 conceptually shows a case where the heat exchanger as the hardware configuration of the air conditioner described above is used for heating. In comparison with FIG. 2, it means that the cooling medium is the heating medium and the cooling target air is the heating target air.
  • the coolers 11 and 12 shown in FIG. 3 can also be used as heat exchangers for heating by using "refrigerant" as a heating medium. Moreover, as described above, the heat exchange efficiency is high.
  • the cold air blower shown in Fig. 5 can also be used as a warm air blower for heating if the "refrigerant" is used as the heating medium.
  • warm natural water for example, hot spring
  • artificial warm water for example, water used for cooling from a factory or an incinerator
  • the chiller 60 is a boiler
  • the cooling tower 71 is a hot water system using sunlight, energy consumption is suppressed. It can be an air conditioner as a heating device.
  • the air conditioner 10 shown in FIGS. 16, 17, 18, 21, and 22 is also used as a heating machine that suppresses energy consumption by using “refrigerant” as a heating medium and radiator 20 as a boiler. It can be an air conditioner.
  • the management server shown in FIGS. 27 and 28 can manage not only the air conditioner 10 used as the air conditioner but also the air conditioner 10 used as the heater.
  • FIG. 30 shows that the air heating space HS at 5 degrees Celsius is heated by a plurality (for example, 5) of air conditioners 10C in an environment where a large amount of hot water at 25 degrees Celsius (for example, 150 liters per minute or more) can be obtained. The case is shown.
  • a heat exchanger 60 based on hot water at 25 degrees Celsius, antifreeze at 24 degrees Celsius is obtained.
  • the antifreeze liquid is branched from a pipe provided with a spare valve 63 sandwiched between two spare nozzles 62, 62 and supplied to the air conditioner 10C installed in the air heating space HS.
  • Each air conditioner 10C is different from the one shown in FIG. 9 and the like which is provided with the pump 30 and the like, and the pump 30 is of a simplified type shared (see FIG. 33).
  • each air conditioner 10C includes two heat exchangers 11 and 12 as shown in FIG. Then, the antifreeze liquid first enters the heat exchanger 11 on the outlet side from which the heated air (about 18 degrees Celsius) heated by the air conditioner 10C comes out. Then, the antifreeze liquid (about 10 degrees Celsius) that has completed the heat exchange in the heat exchanger 11 on the outlet side again performs heat exchange with the air to be heated in the heat exchanger 12 on the inlet side.
  • the antifreeze liquid that has completed heat exchange in the heat exchanger 12 on the inlet side returns to the heat exchanger 60 through the pump 30, the two auxiliary nozzles 62, 62 and the auxiliary valve 63 sandwiched between them. Then, it exchanges heat with the supplied hot water and is sent again to the air conditioner 10C and circulated.
  • FIG. 31 shows an additional heat pump 65 for branching the auxiliary nozzles 62, 62, 62, 62 to further heat the antifreeze when the heating system shown in FIG. 30 is insufficient or when the temperature of the hot water obtained is low. It was done.
  • a part of the antifreeze liquid (24 degrees Celsius) before being sent to the air conditioner 10C is further heated by the heat pump 65 to raise the temperature of the antifreeze liquid sent to the air conditioner 10C (30 degrees Celsius). ).
  • Part of the antifreeze liquid that has finished heat exchange by adjusting the spare valve 63 is sent to the heat pump 65. Then, it is returned to the heat exchanger 60.
  • the temperature after air conditioning can be raised only by adding the heat pump 65 as shown in FIG.
  • FIG. 32 shows a cooling system which uses a plurality of simple air conditioners 10D (the same type as FIG. 30 and FIG. 31 and an enlarged view is shown in FIG. 33) which does not include a pump and which is used for cooling to cool the air cooling space CS. Show.
  • the water of 30 degrees Celsius provided from the cooling tower 71 to the heat exchanger 60A is returned to the cooling tower 71 by the power supplied from the pump 30 through heat exchange.
  • the refrigerant that has undergone heat exchange in the heat exchanger 60A circulates for heat exchange in the next chiller 60.
  • the refrigerant (semi-cooling water C2W) that has undergone heat exchange in the chiller 60 is sent to the heat exchanger on the inlet side of the simple air conditioner 10D (the structure of the simple air conditioner 10D is shown in FIG. 33). .
  • the water of 30 degrees Celsius provided from the cooling tower 71 is also provided to the heat exchanger 60C. Then, the refrigerant (cooling water C1W) that is heat-exchanged in the heat exchanger 60C is sent to the heat exchanger on the outlet side in the simple air conditioner 10D.
  • the air cooling space CS is cooled to about 25 degrees Celsius without raising the humidity.
  • 14 simple air conditioners 10D and the cooling tower 71 have the ability to supply 40 liters of water at 30 degrees Celsius per minute, one chiller 60, the heat exchanger 60A has 780 kW, and the heat exchanger 60C has 170KW was enough.
  • Control by management server It is also possible to manage the air conditioning system as shown in FIGS. 30 to 32 by the management server shown in FIG. 27 or 28.
  • the inlet water temperature and the outlet water temperature of the five warm air conditioners 10C, the water temperature of the hot water flowing into the heat exchanger 60, the air temperature of the air heating space HS, and the like are displayed.
  • the measurement data receiving means of the management server receives the data.
  • control data as a result of calculation based on a measurement database in which past measurement data is accumulated is transmitted to various control devices (not shown) as control data for adjusting the amount of water flowing into the heat exchanger 60. To do.
  • the present invention has applicability in an air conditioner manufacturing industry, an information service industry that provides an air conditioner control program, an air conditioning consulting business, and the like.
  • Air conditioner 10A First air conditioner 10B; Second air conditioner 10C: Air conditioner (for heating, simple type) 10D; Air conditioner (for cooling, simple type) 11; Outlet cooler (outlet heater) 11A; Refrigerant pipe (hot water pipe) 11B: Refrigerant nozzle (hot water nozzle) 11C: Refrigerant nozzle (hot water nozzle) 11D; Overflow port 12; Inlet cooling device (inlet heating device) 12A; Refrigerant pipe 12B; Refrigerant nozzle (hot water nozzle) 12C;

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PCT/JP2019/041435 2018-10-25 2019-10-23 熱交換機を用いた空気調和機、空調システム、管理サーバ、および熱交換機 WO2020085354A1 (ja)

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JPS59113665U (ja) * 1982-12-23 1984-08-01 ネポン株式会社 大型冷暖房用熱交換装置
JP2002115863A (ja) * 2000-10-10 2002-04-19 Kiyoshi Yanagimachi 多段式外気調和器
JP2005121280A (ja) * 2003-10-16 2005-05-12 Sanken Setsubi Kogyo Co Ltd 空調システム
JP2008164187A (ja) * 2006-12-27 2008-07-17 Sasakura Engineering Co Ltd 地下水を利用した空調装置
JP2016061514A (ja) * 2014-09-19 2016-04-25 株式会社ケーヒン・サーマル・テクノロジー エバポレータおよびこれを用いた車両用空調装置
JP2016070639A (ja) * 2014-10-01 2016-05-09 株式会社日立製作所 海洋深層水利用冷却システム
WO2017159726A1 (ja) * 2016-03-16 2017-09-21 三菱電機株式会社 フィンレス型の熱交換器、そのフィンレス型の熱交換器を備えた空気調和機の室外機、及びそのフィンレス型の熱交換器を備えた空気調和機の室内機

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01157959U (enrdf_load_stackoverflow) * 1988-04-15 1989-10-31

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59113665U (ja) * 1982-12-23 1984-08-01 ネポン株式会社 大型冷暖房用熱交換装置
JP2002115863A (ja) * 2000-10-10 2002-04-19 Kiyoshi Yanagimachi 多段式外気調和器
JP2005121280A (ja) * 2003-10-16 2005-05-12 Sanken Setsubi Kogyo Co Ltd 空調システム
JP2008164187A (ja) * 2006-12-27 2008-07-17 Sasakura Engineering Co Ltd 地下水を利用した空調装置
JP2016061514A (ja) * 2014-09-19 2016-04-25 株式会社ケーヒン・サーマル・テクノロジー エバポレータおよびこれを用いた車両用空調装置
JP2016070639A (ja) * 2014-10-01 2016-05-09 株式会社日立製作所 海洋深層水利用冷却システム
WO2017159726A1 (ja) * 2016-03-16 2017-09-21 三菱電機株式会社 フィンレス型の熱交換器、そのフィンレス型の熱交換器を備えた空気調和機の室外機、及びそのフィンレス型の熱交換器を備えた空気調和機の室内機

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