WO2002077535A1 - Climatiseur et procede d'installation de ce climatiseur - Google Patents

Climatiseur et procede d'installation de ce climatiseur Download PDF

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Publication number
WO2002077535A1
WO2002077535A1 PCT/JP2001/002352 JP0102352W WO02077535A1 WO 2002077535 A1 WO2002077535 A1 WO 2002077535A1 JP 0102352 W JP0102352 W JP 0102352W WO 02077535 A1 WO02077535 A1 WO 02077535A1
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WO
WIPO (PCT)
Prior art keywords
air
indoor
room
ventilation
heat exchanger
Prior art date
Application number
PCT/JP2001/002352
Other languages
English (en)
Japanese (ja)
Inventor
Seiji Inoue
Norikazu Ishikawa
Akio Fukushima
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to US10/258,575 priority Critical patent/US20040011072A1/en
Priority to GB0211234A priority patent/GB2376291A/en
Priority to AU2001239565A priority patent/AU2001239565B2/en
Priority to PCT/JP2001/002352 priority patent/WO2002077535A1/fr
Priority to JP2002575544A priority patent/JPWO2002077535A1/ja
Priority to CN01807014A priority patent/CN1419645A/zh
Publication of WO2002077535A1 publication Critical patent/WO2002077535A1/fr
Priority to HK02109105.1A priority patent/HK1047616A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature

Definitions

  • the present invention relates to an air conditioner, particularly to an air conditioner suitable for air-conditioning an unmanned room accommodating heat-generating equipment, and a method of installing the same.
  • FIG. 9 is a cross-sectional view showing a mounting state during cooling
  • FIG. 10 is a cross-sectional view showing a mounting state during heating.
  • 1 is a housing
  • 2 is partitioned on the upper part of the housing 1, in the posture of FIG. 9, the first room where the side of the room A is open, 3 is partitioned in the center of the housing 1,
  • a second room 4 is open on the outside B side in the opposite direction to the first room 2
  • a third room 4 is defined at the bottom of the housing 1.
  • 5 is a compressor provided in the third room 4
  • 6 is a condenser provided in the second room 3
  • 7 is an evaporator provided in the first room 2
  • 8 is a blower for the condenser
  • 9 Is a blower for the evaporator.
  • Reference numeral 10 denotes an indoor louver
  • 11 denotes an outdoor louver.
  • louvers 10 and 11 are both detachable, can be turned upside down, and can adjust the blowing angle.
  • the compressor 5, the condenser 6, the expansion device, the evaporator 7, and the compressor 5, which are not illustrated, are arranged in this order. They are connected by refrigerant piping to form a refrigeration cycle.
  • Reference numerals 12 and 13 denote shafts provided coaxially on the upper and lower end surfaces of the housing 1 on the vertical axis, respectively, and the housing 1 is turned around the shafts 12 and 13. You can move.
  • 14 is a side wall facing the outdoor B, and 15 is an opening of the side wall 14.
  • the housing 1 is opened in the side wall 14 so that the posture shown in FIG. 9 and the posture shown in FIG. 10 can be arbitrarily selected by rotating about the shafts 12 and 13.
  • the same or corresponding parts are denoted by the same reference numerals throughout the drawings, and description thereof will be omitted.
  • the posture shown in Fig. 9 is adopted, so that the opening of the first room 2 containing the evaporator 7 faces the room side and the second room containing the condenser 6
  • the opening of room 3 faces outside.
  • the high-temperature and high-pressure refrigerant compressed by the compressor 5 is cooled in the condenser 6 by exchanging heat with the outside air introduced by the blower 8, radiating heat to the outdoor B and condensing.
  • the condensed refrigerant enters the evaporator 7 through an expansion valve (not shown), and removes heat from the air in the room A, so that the room A is cooled.
  • the room air is sucked by the blower 9 for the evaporator 7 into the first room 2 located at the top of the housing 1 as shown by the arrow a in FIG. Cool air is blown from the lower part of the room A diagonally downward as indicated by the arrow b.
  • cabinet 1 is rotated halfway around shafts 12 and 13 to achieve the posture shown in Fig. 10.
  • both the indoor louver 10 and the outdoor louver 11 are temporarily removed before rotating them.c
  • the indoor louver 10 is mounted on the indoor side by changing the top and bottom. The indoor air is sucked into the condenser 6 in the direction of arrow c in FIG. 10, and the air warmed by the condenser 6 is directed downward from the second room 3 in the direction of arrow d. Change the angle of the louver so that it blows out.
  • FIG. 11 is a diagram showing the flow of air when the conventional air conditioner configured as described above is used for air conditioning in a room containing devices such as a communication device having a high heat generation density.
  • Fig. 1 (a) shows the case where the air conditioner is installed on the upper part of the side wall
  • Fig. 11 (b) shows the case where it is mounted on the lower part of the side wall.
  • 16 is a conventional air conditioner configured as shown in FIGS.
  • 17 is an air inlet of the air conditioner 16
  • 18 is an air conditioner 16 is an air outlet
  • 19 is a room to be air-conditioned to accommodate the equipment 20 to be cooled
  • 20a is provided at the top of the equipment 20 to be cooled, and generates heat generated inside the equipment 20
  • the air conditioner 16 was installed above the air conditioning room side wall 14 and was installed in the room 19 as shown in Fig. 11 (a).
  • a part of the cool air blown out from the outlet 18 is an updraft due to the heat generated by the device 20 to be cooled as shown by an arrow e, or the air generated by the cooling fan 20a.
  • a part of the high-temperature air discharged from the device 20 is blown up by the flow, so that it is directly inside the room 19 in the direction of the arrow f.
  • the temperature of the air that was drawn downward and was sucked from the lower part of the device 20 gradually increased, and the reliability of the device 20 deteriorated due to failure of the device.
  • the present invention has been made in order to solve such problems of the conventional technology, in which the cool air blown out from the outlet is directly sucked into the inlet, the cold air is trapped in the target room, or the hot air is discharged. It is an object of the present invention to provide an air conditioner capable of suppressing the occurrence of snow pools and efficiently cooling a heat generating device housed in a target room, and an installation method thereof.
  • An air conditioner according to the present invention is an air conditioner using a refrigeration cycle, wherein the indoor air passage formed to extend from one end to the other end.
  • a first ventilation port which is provided at one end of the housing so as to open in the indoor direction when in use and communicates with the indoor side ventilation path, and which is used at the other end of the housing.
  • a second ventilation port provided to open in the indoor direction and communicating with the indoor ventilation path; an indoor heat exchanger provided in the indoor ventilation path; and a second heat exchanger provided in the indoor ventilation path.
  • An indoor blower that allows air to flow in through one of the first and second ventilation openings and discharges air through the other ventilation opening, and allows outside air to flow outside the indoor ventilation passage in the housing.
  • An outdoor heat exchanger disposed at different positions in the direction connecting the first and second ventilation holes with respect to the indoor heat exchanger; and And an outdoor blower for ventilating outside air.
  • the casing and the indoor ventilation path are formed vertically long, so that air is sucked in from the upper ventilation port and cooling air is discharged from the lower ventilation port during cooling.
  • a separate member is provided to partition the inside of one end side of the housing into an indoor side and an outdoor side, and the indoor side of the separate member is provided with an indoor side ventilation path and one ventilation opening communicating with the indoor side ventilation path.
  • An outdoor heat exchanger is provided outside the separate member.
  • a first communication portion provided on the separate member and capable of communicating between the indoor side ventilation path and the outside.
  • the first communication portion is provided on the first communication portion.
  • the first communication portion In the first state, the first communication portion is shielded.
  • the indoor-side ventilation path In the second state, the indoor-side ventilation path is shielded and the first communication section is opened in the second state, and the room air sucked in from one of the ventilation ports passes through the first communication section.
  • a first damper that is exhausted to the outside by the outdoor blower, and is provided between the first communication portion and the indoor blower in the indoor ventilation passage, and is provided between the first ventilation passage and the indoor ventilation passage.
  • a second communication portion that can communicate outside air, and is provided so as to be able to open and close the second communication portion.
  • the second communication portion In the first state, the second communication portion is shielded.
  • a second damper is provided that opens the second communication portion and allows the outside air sucked from the second communication portion by the indoor side blower to be blown into
  • a temperature sensor that outputs a signal corresponding to a room temperature; temperature setting means that can set a first temperature level and a second temperature level lower than the first temperature level; and an output signal from the temperature sensor.
  • temperature setting means that can set a first temperature level and a second temperature level lower than the first temperature level
  • an output signal from the temperature sensor When the temperature exceeds the first temperature level set by the temperature setting means, the first damper and the second damper are set, and when the temperature falls below the second temperature level, the first damper and the second damper are set.
  • a control circuit for controlling to close the damper.
  • the housing is located outside the room rather than inside the room at the time of attachment.
  • the indoor heat exchanger is disposed above and the outdoor heat exchanger is disposed below, and drain water generated when the indoor heat exchanger is used as an evaporator is dropped on the outdoor heat exchanger. It is configured as follows.
  • an installation method of an air conditioner according to the present invention includes a housing having an indoor-side ventilation passage formed to extend from one end to the other end, and an indoor air passage at one end of the housing.
  • a first ventilation port provided to open in the direction and communicating with the indoor ventilation path; and a second ventilation port provided in the other end of the housing so as to open in the indoor direction when used.
  • An air conditioner using a refrigeration cycle that includes an outdoor heat exchanger disposed at different positions in the direction connecting the ventilation ports and an outdoor blower that ventilates outside air to the outdoor heat exchanger is used.
  • the air inlet and the cooling air outlet of the indoor air of the air conditioner are mounted in a room in which convection is promoted in a room in which convection is generated by the heat generating device.
  • the indoor air suction port is located above the room, and the cooling air outlet is oriented downward in the room.
  • FIG. 1 is a side view showing a main part of an air conditioner according to Embodiment 1 of the present invention.
  • FIG. 2 is a side view illustrating an installation mode of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • FIG. 3 is a side view showing a main part of an air conditioner according to Embodiment 2 of the present invention.
  • FIG. 4 is a side view illustrating a method of installing an air conditioner according to a third embodiment of the present invention.
  • FIG. 5 is a side view illustrating another method of installing the air conditioner according to the fourth embodiment of the present invention.
  • FIG. 6 is a side view showing a main part of an air conditioner according to Embodiment 5 of the present invention.
  • FIG. 7 is a side view showing a main part of an air conditioner according to Embodiment 6 of the present invention.
  • FIG. 8 is a configuration diagram showing control means of a damper used for an air conditioner according to Embodiment 6 of the present invention.
  • FIG. 9 is a cross-sectional view showing an example of a mounting state of a conventional air conditioner at the time of cooling.
  • FIG. 10 is a cross-sectional view showing an example of a mounting state of a conventional air conditioner at the time of heating.
  • FIG. 11 is an explanatory diagram showing the flow of air when performing air conditioning of a heat-generating equipment housing room using a conventional air-conditioning apparatus.
  • FIG. 1 is a cross-sectional configuration diagram illustrating a main part of an air conditioner according to Embodiment 1 of the present invention
  • FIG. 2 is a diagram illustrating an installation example of the air conditioner illustrated in FIG.
  • 21 is a vertically long case, and the right side of the figure is a housing configured to be attached to the side wall of the room to be air-conditioned, and 22 is one end side in the case 21.
  • a separate member provided so as to partition the space between the indoor side and the outdoor side.
  • Reference numeral 23 denotes an indoor ventilation passage formed to extend from one end of the housing 21 toward the other end. One end of the ventilation path 23 is formed by a space on the indoor side of the housing 21 partitioned by the separation member 22.
  • Reference numeral 24 denotes a first ventilation port which is provided at one end of the housing 21 so as to open to the indoor side and communicates with the indoor ventilation path 23, and reference numeral 25 denotes a first ventilation port at the other end of the housing 21.
  • a second ventilation port which is provided to open to the indoor side and communicates with the indoor ventilation path 23, is provided in the indoor ventilation path 23 at the other end of the housing 21.
  • the indoor heat exchanger 27 is installed in the indoor ventilation passage 23.
  • a chamber through which air flows in from one of the first and second ventilation ports 24, 25 and air that flows through the indoor heat exchanger 26 is discharged from the other ventilation port
  • An inner blower 28 is an outdoor heat exchanger provided so as to allow outside air to flow into the outdoor space of the separate member 21 inside the housing 21.
  • the outdoor heat exchanger 28 is an indoor heat exchanger.
  • the heat exchanger 26 is arranged so as to be shifted from the heat exchanger 26 at a different position in a direction connecting the first and second ventilation holes 24 and 25.
  • 29 is an outdoor blower that ventilates outside air to the outdoor heat exchanger 28, 30 is a compressor provided at the other end of the housing 1, 31 is an outdoor heat exchanger 28 and indoor heat
  • a decompression device provided in the pipe connecting the heat exchanger 26 and 32 collects water droplets condensed on the surface of the indoor heat exchanger 26 and discharges it to the outside of the housing 21 Drain pan and drain Exit.
  • the compressor 30, the outdoor heat exchanger 28, the pressure reducing device 31, the indoor heat exchanger 26, and the compressor 30 are sequentially connected by a refrigerant pipe as shown in FIG.
  • the working fluid is sealed inside the piping to form a vapor compression refrigeration cycle.
  • the outdoor heat exchanger 28 functions as a condenser
  • the indoor heat exchanger 26 functions as an evaporator
  • the first ventilation port 24 functions as an indoor air suction port
  • the second The ventilation holes 25 are operated as cooling air outlets.
  • a fluorocarbon hydrogen (HFC) based refrigerants containing no chlorine for example R 4 0 7 C, R 4 1 0 A, R 3 2 etc.
  • HFC-based refrigerants such as polyol ester oil or polyvinyl ether oil or HFC-based refrigerant that are compatible with HFC-based refrigerants (not shown).
  • Soluble for example, hard alkylbenzene oil is used.
  • each component is integrally housed in the housing 21.
  • separate The member 22 houses the inside of the housing 21 at one end side where the outdoor heat exchanger 23 and the outdoor blower 29 are housed, and the indoor heat exchanger 26 and the indoor blower 27 are housed. It prevents the mixture of indoor air and outdoor air.
  • a third ventilation port which is an outlet of the outdoor blower 29, is opened in the upper front part of the housing 21 when viewed from the left side of the figure.
  • a fourth ventilation port which is a suction port for the outdoor heat exchanger 23, is opened in the upper surface portion and / or upper portion of the side surface, respectively, but none of them is shown.
  • the outdoor blower 29 When the outdoor blower 29 was operated, the outside air taken in from the fourth ventilation port provided on the upper surface and / or the side surface of the housing was provided outside the separate member 22 inside the housing 21. The heat is exchanged with the refrigerant in the outdoor heat exchanger 28 to become high temperature, and is blown out from the third ventilation port on the upper front surface of the housing 21 via the outdoor blower 29.
  • the compressor 30 and the pressure reducing device 31 may be housed at the other end of the housing 21 housing the indoor heat exchanger 26 as shown in FIG.
  • the heat exchanger 28 may be housed inside the room at one end of the housing 21.
  • reference numeral 19 denotes an air-conditioned room containing heat-generating equipment
  • 19a is a ventilation fan for introducing outside air into the room 19
  • 19b is air in the emergency room 19.
  • 20a is a device blower attached to the device 20 for forced exhaust.
  • the air conditioner 33 configured as shown in FIG. 1 is formed to be vertically long, with the suction port 24 facing the upper inside of the chamber 19 and the outlet 25 facing the lower inside of the chamber 19. As shown, it is installed from the outside of the side wall of the room 19.
  • Examples of the heat-generating device 20 to be cooled include devices having a large calorific value, such as a communication device, a wireless device, and a computer.However, the heat-generating device 20 is not particularly limited to these devices. Any device that requires air conditioning such as Such equipment 20 generally has a heating density Is very high and local high temperature is likely to occur inside the equipment, so the blower 20a draws relatively low-temperature air, which tends to accumulate below the interior of the chamber 19, into the interior of the equipment 20, and blows it upwards As a result, the air inside the room 19 is supplied to and exhausted from the device 20 to forcibly cool the device. In addition, such equipment is not susceptible to dust and dirt in the air, so that the room 19 is generally made with high hermeticity.
  • the device 20 inside the room 19 is assumed to be a device with a large amount of heat generation such as a communication device, a radio device, and a computer, a cooling operation for cooling the air inside the room 19 will be described as an example. I do.
  • the refrigerant compressed to a high temperature and a high pressure by the compressor 30 flows into the outdoor heat exchanger 28, where it radiates heat to outdoor air sent by the outdoor blower 29 to condense and liquefy.
  • This liquid refrigerant becomes a low-temperature, low-pressure gas-liquid two-phase refrigerant in the pressure reducing device 31, flows into the indoor heat exchanger 26, where the air inside the chamber 19, which is sent by the indoor blower 27, After being absorbed, evaporated and gasified, it returns to the compressor 30.
  • the refrigerant in the vessel 26 is cooled by the latent heat of vaporization of the refrigerant, and is blown downward from the outlet 25 into the chamber 19.
  • the cooling air is blown upward from below by a device blower 20 a attached to the device 20 housed in the room 19 and cools the device 20. At this time, the cooling air is heated by the heat generated by the device 20, and the heated air is blown upward by the device blower 20a as shown by a solid line arrow in FIG.
  • Electronic devices such as communication devices, wireless devices, and computers that are mainly cooled by the present invention.
  • the equipment room 19 as shown in Fig. 2 is usually designed to be highly sealed, and outside air is It is operated so that it does not get mixed in and restricts human access.
  • the room 19 has ventilation fans 19a and 19b for exhaust and suction. Is installed. When the air temperature inside the room 19 exceeds the set value, these ventilation fans are operated synchronously to introduce outside air into the room 19, lower the room temperature, and malfunction of the equipment 20 due to abnormally high temperature. prevent.
  • the suction port 24 and the air outlet 25 are provided on the one end side and the other end side of the vertically formed casing 21 so as to be separated from each other.
  • the suction port is located above the target room to suck in the air above, and the outlet is located below the target room to blow cool air down.
  • the convection in the target room 19 is on the side wall of the target room 19
  • the air conditioner was installed in the direction that facilitates convection in the direction of The air blown into the chamber 19 and blown out from the outlet 25 opened below the side wall of the chamber 19 can disturb the air flow inside the chamber 19 created by the device blower 20a. Therefore, there is an effect that the device 20 such as a communication device having a high heat generation density can be efficiently cooled.
  • the intake air temperature of the air conditioner can be kept high, the air conditioner can be operated efficiently, and the power consumption of the air conditioner can be suppressed.
  • one end of the housing 21 is divided into an indoor side and an outdoor side.
  • a first ventilation port 24 is provided at the end of the indoor-side ventilation path 23, and an outdoor heat exchanger is disposed outside the room via a separating member 22.
  • the air conditioner of the above embodiment is integrally installed on the outside of the side wall of the room 19 containing the equipment to be cooled. Therefore, compared to installing a separate type air conditioner, which is the mainstream in current air conditioners, there is no need to secure an indoor unit installation space inside room 19, resulting in higher space efficiency.
  • the size of the room 19 can be reduced.
  • the labor and cost for construction work for installing the refrigerant pipe connecting the outdoor unit and the indoor unit can be reduced.
  • the causes of poor air-conditioning such as insufficient evacuation of the refrigeration cycle due to poor piping work, foreign matter in the cycle, excessive or insufficient refrigerant charge, refrigerant leakage, and forgetting to open the connection valve have been eliminated.
  • the operation reliability of the object to be cooled can be improved.
  • the air-conditioning apparatus according to Embodiment 1 can be installed with the indoor side surface of the housing 21 in close contact with the side wall surface of the equipment room 19 as shown in FIG. 1 and FIG. Therefore, it is possible to perform all maintenance of the housing 21 and its internal components from the outdoor side. Therefore, there is no need for humans to enter the room 19 during maintenance of the air conditioner. Therefore, it is possible to suppress dust and dust from entering the room 19, thereby improving the reliability of the device 20.
  • R 407 C, R 410 A, R 32, etc. which are HFC-based refrigerants containing no hydrogen fluoride and containing chlorine. or C 0 2, HC, etc. and material working fluid ozone destruction coefficient number 0, refrigerating machine oil miscible or polyol ester oil or polyvinyl ether oil to HFC-based refrigerant as, the HFC refrigerant incompatible hard Since alkylbenzene oil and the like are used, an air conditioner that considers the global environment can be obtained without destroying the ozone layer.
  • the air conditioner according to the present embodiment is intended to cool the equipment housed in the room 19 having a relatively high airtightness, the latent heat load (dehumidification load) during the cooling operation is reduced to the ordinary personal air conditioning. Small in comparison.
  • the sensible heat ratio (the ratio of the sensible heat load to the total air-conditioning load) becomes high sensible heat operation, for example, 0.9 or more.
  • the capacity of the indoor heat exchanger 26 and / or the capacity of the indoor blower 27 are larger than that of the humidifier. With this configuration, the heat generated by the equipment can be efficiently handled, and the temperature of the cooling air blown out becomes higher than that of a normal air conditioner. No problem occurs.
  • the outdoor heat exchanger 28 is disposed above the housing 21 and the indoor heat exchanger 26 is disposed below the housing 21.
  • a thin air conditioner can be obtained.
  • a specific description will be given.
  • FIG. 3 is a sectional configuration diagram showing an air conditioner according to Embodiment 2 of the present invention. is there.
  • an outdoor heat exchanger 28 and an outdoor blower 29 are disposed below the other end of the housing 21, and an indoor heat exchanger 26 and an indoor blower 27 are mounted on the housing 21.
  • This embodiment is significantly different from the first embodiment in that it is disposed above one end.
  • the indoor air suction port 24 is disposed above the air conditioner 33 so as to draw in high-temperature air above the room as in the first embodiment, and the air outlet 25 is also the same as in the first embodiment.
  • the equipment to be cooled is arranged below the air conditioner 33 so as to blow cool air to the suction side of the blower.
  • the inlet 24 is located on the indoor side (room 19 side) of the indoor heat exchanger 26, and the outlet 25 is located on the indoor side (room 19 side) of the outdoor heat exchanger 28. are doing.
  • a separate member 22 that partitions the inside of the housing 21 so that the outdoor air and the indoor air do not mix inside the air conditioner is provided on the other end side of the housing 1 (below the figure).
  • the other end of the indoor-side ventilation path 23 is formed, and further, an air outlet 25 communicating with the indoor-side ventilation path 23 is provided.
  • An outdoor heat exchanger 28, an outdoor blower 29, a compressor 30 and a decompression device 3 are located on the outdoor side of the separate member 22.
  • the condensed water (drain) resulting from cooling the indoor air with the indoor heat exchanger 26 installed above is distributed to the outdoor heat exchanger 28 via the drain pan and the drain outlet 32.
  • the drain outlet 32 is located above the outdoor heat exchanger 28.
  • Blow-off port (2) Blows out from the target room into the target room, effectively using the equipment in the target room Can be cooled.
  • the drain water condensed from the indoor air is dropped and sprayed from the drain outlet 32 to the outdoor heat exchanger 28, so that the drain water is particularly high when the outside air temperature is high in summer. Since the latent heat of evaporation can be used, the rise in condensation temperature can be suppressed, and there is also the effect that the operating efficiency of the refrigeration cycle improves.
  • the air conditioner 33 is installed on the side wall of the chamber 19, so that the room 1 9
  • Example 3 installation was performed when the equipment to be cooled had a horizontal blower. The method is explained.
  • FIG. 4 is a side view at the time of installation showing a method of installing an air conditioner according to Embodiment 3 of the present invention.
  • the equipment 20 to be cooled such as a communication device, a wireless device, and a computer, sucks air from the front part (the left side in FIG. 4) as indicated by the solid line arrow, and the back part (in FIG. It has a cooling blower 20a that blows out to the right side).
  • the air conditioner 33 is installed on the ceiling of the room 19 with the inlet 24 and the outlet 25 facing downward.
  • the suction port 24 is arranged on the right side of the room 19 (to the rear of the equipment) in accordance with the flow of air in the direction of the solid arrow by the device blower 20a. 5 is installed and installed so as to open to the left of the room 19 ceiling (the front side of the equipment).
  • the equipment 20 As described above, by adopting an installation method in which the direction of the inlet 24 and the outlet 25 of the air conditioner 33 is set in accordance with the direction of convection by the equipment 20 in the room 19, the equipment 20
  • the room air which has become high temperature by processing the heat generated inside the room, goes to the upper right of the figure by the equipment blower 20a, and the air conditioner 3 3
  • the air As shown by the dashed arrow from the inlet 24 provided at the right end of the air conditioner 33, the air is sucked in by the indoor blower 27 inside the air conditioner 27, cooled by the indoor heat exchanger 26, and then It is blown out from 25 toward the lower left side of the room. This cool air is sucked in from the front of the equipment (left side in Fig. 4) by the equipment blower 20a, and cools the equipment 20.
  • the air blower 20 a directs the suction port 24 of the air conditioner 33 toward the ceiling surface on the side from which the exhaust heat is blown out, and the equipment blower 20 a
  • the air conditioner 3 3 was installed with the outlet 25 facing the ceiling on the left side of the figure, which is the side that sucks air. It is possible to efficiently cool equipment with a high heat generation density without disturbing heat and improve the reliability of equipment. Furthermore, since the intake air temperature of the air conditioner 33 can be kept high, the air conditioner can be operated efficiently and the power consumption of the air conditioner can be suppressed.
  • the air conditioner 33 is installed laterally on the roof of the room 19 in order to cool the equipment 20 having the side-blower blower 20a. It is not limited to the section and the ceiling.
  • FIG. 5 is a side view showing an installation method of an air conditioner according to Embodiment 4 of the present invention at the time of installation.
  • the air conditioner shown in the figure the same configuration example as that shown in FIG. 1 of Embodiment 1 is used, and the side wall surface of the room 19 is located below the room 19 which is the suction side of the equipment blower 20.
  • the air outlet 25 of the air conditioner 33 is connected to the air conditioner 33, and the suction port 24 of the air conditioner 33 is installed above the same surface of the chamber 19.
  • Example 4 the air outlet 25 of the air conditioner 33 was It is arranged toward the suction side of the machine 20a, and is sucked into the position where the high-temperature air that has been discharged to the rear of the machine 20 (right side in the figure) by the machine blower 20a and moved above the chamber 19 is sucked.
  • the port 24 By arranging and installing the port 24, air flows through the inside of the air conditioner 33 as indicated by the dashed arrow, and cool air blown out from the air conditioner 33 is sucked into the device blower 20a.
  • air flows in the direction indicated by the solid arrow, and air flows in a direction that promotes convection by the device 20 as a whole, similarly to the third embodiment shown in FIG. 4, and the air blows into the chamber 19.
  • the occurrence of pooling can be prevented. Therefore, the device 20 can be efficiently cooled, so that the reliability of the device can be improved and the power consumption of the air conditioner can be suppressed.
  • FIG. 6 is a side view showing a main part of an air conditioner according to Embodiment 5 of the present invention.
  • 34 is a pipe connecting the discharge side of the compressor 30 and the condenser 28, 35 is a pipe connecting the compressor 30 suction side and the evaporator 26, and 36 is the above.
  • a bypass pipe 37 provided to bypass between the two pipes 3 4 and 3 5 is provided inside the bypass pipe 36, and is provided between the discharge side 34 and the suction side 35 of the compressor 30. This is a check valve that blocks the flow of the refrigerant.
  • the refrigerant liquid condensed by the low-temperature outside air in the condenser 28 almost opens. After passing through the decompression device 31 that is fully open, it flows into the evaporator 26 that is installed below by gravity, and the indoor air and heat Exchange and evaporate. At this time, since the pressure of the evaporator 26 is higher than the pressure of the condenser 28 by a pressure difference based on the height difference from the condenser 28, the evaporator 26 passes through the bypass pipe 36 and the check valve 37. To the condenser 28. Here, the heat is radiated again to the low-temperature outside air, condensed and liquefied, and the natural circulation refrigeration cycle operates.
  • the refrigerant will have a difference in height between the condenser 28 and the evaporator 26, as well as the Since the air is circulated by the pressure difference caused by the density difference, the inside of the room 19 can be cooled very efficiently with little power consumption without supplying power to the compressor 30. Power can be greatly reduced.
  • an indoor temperature sensor that detects the temperature of the air sucked from the target room 19
  • an outside air temperature sensor that detects the outside air temperature
  • a compressor based on the information of these two sensors
  • the compressor 30 is of a capacity control type with variable rotation speed, high / low pressure bypass, etc. It is possible to further reduce power consumption by reducing.
  • FIG. 7 and 8 show a main part of an air conditioner according to Embodiment 6 of the present invention.
  • FIG. 7 is a side view of the air conditioner
  • FIG. 8 shows a damper control means.
  • It is a block diagram.
  • reference numeral 38 denotes a first communication portion provided on the separate member 22 downward from the lower end of the first ventilation port 24 to allow communication between the indoor ventilation path 23 and the outside.
  • the first communication portion 38 is provided in the first communication portion 38. In the first state, which is a normal state, the first communication portion 38 is shielded.
  • the indoor side ventilation path 23 is opened, and the indoor side ventilation path 23 is shielded, and the first communication part 38 is opened to suck air from one of the ventilation ports 24.
  • a first damper 40 for allowing the indoor air that has flowed through the first communication section 38 to be exhausted to the outside by the outdoor blower 29, 40 is the first communication section in the indoor inside ventilation path 23.
  • a second communication portion which is provided so as to open the outer wall of the housing 21 located between the inside air passage 23 and the inside air blower 27, and can communicate outside air with the inside air passage 23, 4 1 Is provided so as to be able to open and close the second communication part 40, shields the second communication part 40 in the first state, and closes the second communication part 40 in the second state.
  • a second air outlet that opens to allow the outside air sucked from the second communication portion 40 by the indoor air blower 27 to be blown into the room through the other air vent 25. It is a damper.
  • Reference numeral 2 denotes a temperature sensor that outputs a signal corresponding to the room temperature, for example, a thermosensitive antibody is used, and the vicinity of the suction port 24 inside the indoor ventilation passage 23 or the remote controller attached to the air conditioner 33 is provided. Installed inside the controller (not shown).
  • Reference numeral 43 denotes opening / closing means for the dampers 39, 44 denotes opening / closing means for the dampers 41.
  • the damper opening / closing means 43, 44 have, for example, an electromagnetic actuator, and an electric signal from the control circuit 45.
  • the dampers 39, 41 can be kept in a closed state or an open state, respectively.
  • Reference numeral 46 denotes temperature setting means for setting the first temperature and the second temperature to the control circuit 45 in advance.
  • the first temperature is set to the maximum value of the allowable ambient temperature of the equipment to be air-conditioned.
  • the second set temperature is preset to a lower temperature.
  • the control circuit 45 sends a signal to the damper opening / closing means 43, 44 when the room temperature detected by the temperature sensor 42 exceeds the first set temperature set by the temperature setting means 46, and sends the signal to the damper.
  • the control is performed so that the dampers 39 and 41 are closed by sending signals to the damper opening / closing means 43 and 44 when the temperature falls below the second set temperature. Next, the operation will be described.
  • the temperature of the air inside the room 19 is detected by the temperature sensor 42 installed in the air conditioner 33. If the detected value does not exceed the first set temperature, which is a preset abnormal set value, the first and second dampers 39 and 41 are closed, which is completely different from the first embodiment. It works similarly.
  • the first and second dampers 39 and 41 are opened, and the outdoor blower 29 is used.
  • the room air that has become abnormally high temperature is discharged outside through the first damper 39 as shown by the arrow i, and the outside air is blown into the room through the second damper 41 by the indoor blower 27 to lower the room temperature.
  • the first and second dampers 39 and 4 Close 1 to return to normal cooling operation. If the air conditioner 33 is out of order, an alarm signal may be transmitted to a predetermined management site (not shown) while the dampers 39 and 41 are opened.
  • the first and second dampers 39, 41 are opened to make room air outside. Since the air can be discharged and the outdoor air can be introduced into the room, the reliability of operation can be secured without exposing the cooling object inside the room 19 to abnormally high temperatures even in the event of an air conditioner malfunction. .
  • the communication sections 38, 40 and the open / close dampers 39, 41 discharge indoor air. It can be located at either one of the suction side and the suction side. However, when it is installed in an airtight room, it is preferable to install it on both the discharge side and the suction side as in this embodiment.
  • the outdoor heat exchanger 28 is provided above the housing 21 and the indoor heat exchanger 26 is provided below the housing 21 with an open / close damper.
  • the outdoor heat exchanger 28 is disposed below the housing 21 and the indoor heat exchanger 26 is disposed above the housing 21. It is permissible to provide an open / close damper on the device.
  • the separate member 22 provided on one end side of the housing 21 is arranged so that the inside of the one end side of the housing 21 extends along a plane parallel to the surface of the outer wall to be attached. 1 is formed in the vertical direction at one end, but is not necessarily limited to this.
  • the same effect can be expected even if it is formed in the vertical direction of the part.
  • the positional relationship between the indoor heat exchanger 26 and the blower 27 is not limited to the embodiment.
  • each of the cooling target devices 20 has a blower 20 a for cooling the device itself has been described as an example, but the cooling device necessarily has a blower. Similar effects can be expected even for devices that do not have this.
  • the suction port 24 of the air conditioner 33 is designed so that the cool air is blown to the upstream side (suction side) of the natural convection inside the equipment and the high-temperature air is sucked downstream (outlet side).
  • 1 9 It is arranged so that it is located above the side wall surface. However, it may be arranged in a direction that helps convection.
  • the refrigeration cycle has been described as being exclusively used for cooling on the premise that the heat-generating equipment is cooled.
  • the connection between the outdoor heat exchanger and the indoor heat exchanger is performed using a four-way valve (not shown).
  • the heat pump may be configured to switch between cooling and heating as desired by switching.
  • the inside of the room 19 can be heated, for example, when a worker enters the room 19 due to maintenance of the equipment during a low outside air temperature, such as in a severe winter, so that the worker can be heated. This has the effect of improving workability.
  • the air blowing direction of the indoor blower 27 is reversed, and the air is blown through the lower second ventilation opening 25. It is also possible to add a function to suck indoor air and blow cool air into the room 19 from the first ventilation port 24 provided in the upper part, in which case the workability is improved. More preferred above.
  • the temperature may be too low during operation of the equipment in winter, when the outside air temperature is low. , The operation reliability of the device can be improved.
  • a housing having an indoor ventilation passage formed to extend from one end to the other end, and is opened at one end of the housing in a direction toward the inside of the use chamber.
  • a first ventilation port that communicates with the indoor-side ventilation path
  • a second ventilation port that is provided at the other end of the housing so as to open toward the room when in use and communicates with the indoor-side ventilation path.
  • An outdoor heat exchanger provided so as to allow air to flow therethrough and arranged at different positions in the direction connecting the first and second ventilation holes to the indoor heat exchanger; and
  • the air conditioner is equipped with an outdoor blower that ventilates outside air to the exchanger.
  • the air conditioner and the method for installing the same according to the present invention are particularly preferably used for air conditioning in a room accommodating a heating device which is operated unattended.

Abstract

L'invention concerne un climatiseur constitué d'un coffret (21) comportant une voie de ventilation (23) section intérieure formé entre deux parties d'extrémité du climatiseur, des premier et second accès de ventilation (24) et (25) disposés chacun à une extrémité du coffret (21) de façon à communiquer, lors de l'utilisation, avec la section intérieure et avec la voie de ventilation (23), un échangeur de chaleur intérieur (26) et un ventilateur (27) de section intérieure disposé dans la voie de ventilation (23), un échangeur de chaleur (28) section extérieure installé de façon à ventiler de l'air frais sur l'extérieur de la voie de ventilation (23) à l'intérieur du coffret (21) et positionné à un endroit différent de celui de l'échangeur de chaleur intérieur (26) dans la direction formée par la connexion entre eux des premier et second accès de ventilation (24) et (25), et un ventilateur (29) section extérieure soufflant de l'air frais vers l'échangeur de chaleur extérieur. Grâce à ce climatiseur, une pièce comportant un équipement de chauffage peut être climatisée avec efficacité sans perturber l'écoulement d'air.
PCT/JP2001/002352 2001-03-23 2001-03-23 Climatiseur et procede d'installation de ce climatiseur WO2002077535A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US10/258,575 US20040011072A1 (en) 2001-03-23 2001-03-23 Air conditioner and method of installing the air conditioner
GB0211234A GB2376291A (en) 2001-03-23 2001-03-23 Air conditioner and method of installing the air conditioner
AU2001239565A AU2001239565B2 (en) 2001-03-23 2001-03-23 Air conditioner and method of installing the air conditioner
PCT/JP2001/002352 WO2002077535A1 (fr) 2001-03-23 2001-03-23 Climatiseur et procede d'installation de ce climatiseur
JP2002575544A JPWO2002077535A1 (ja) 2001-03-23 2001-03-23 空気調和装置及びその設置方法
CN01807014A CN1419645A (zh) 2001-03-23 2001-03-23 空气调节装置及其设置方法
HK02109105.1A HK1047616A1 (zh) 2001-03-23 2002-12-16 空氣調節器及其安裝方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/002352 WO2002077535A1 (fr) 2001-03-23 2001-03-23 Climatiseur et procede d'installation de ce climatiseur

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WO2002077535A1 true WO2002077535A1 (fr) 2002-10-03

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US (1) US20040011072A1 (fr)
JP (1) JPWO2002077535A1 (fr)
CN (1) CN1419645A (fr)
AU (1) AU2001239565B2 (fr)
GB (1) GB2376291A (fr)
HK (1) HK1047616A1 (fr)
WO (1) WO2002077535A1 (fr)

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JP2006329601A (ja) * 2005-05-30 2006-12-07 Mayekawa Mfg Co Ltd 冷却器及びその運転方法
JP2008293779A (ja) * 2007-05-24 2008-12-04 Fuji Electric Holdings Co Ltd 燃料電池発電装置
KR101351857B1 (ko) 2011-09-09 2014-01-15 김홍운 난방장치의 열교환기 배치구조
KR101423137B1 (ko) 2011-09-09 2014-07-29 김홍운 실외기 없는 난방장치
JP2017009149A (ja) * 2015-06-18 2017-01-12 東芝キヤリア株式会社 空気調和機
JP2017138069A (ja) * 2016-02-05 2017-08-10 株式会社デンソー 一体型空調装置

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JP5610839B2 (ja) * 2010-05-11 2014-10-22 株式会社日立製作所 冷却システム
US20140352923A1 (en) * 2013-05-30 2014-12-04 Chung-Chien Chang Cooling apparatus and method thereof for apparatus room
CN105874283A (zh) * 2013-11-29 2016-08-17 东芝三菱电机产业系统株式会社 电气设备壳体
CN104170688B (zh) * 2014-09-01 2016-11-02 湖南省烟草公司衡阳市公司 育苗温室保温除湿机
US10451295B2 (en) * 2014-12-22 2019-10-22 Diversified Control, Inc. Equipment enclosure with multi-mode temperature control system
CN207179851U (zh) * 2015-12-18 2018-04-03 三菱电机株式会社 制冷循环装置的室外机
KR102517410B1 (ko) * 2016-03-25 2023-04-03 엘지전자 주식회사 냉장고
JP6800649B2 (ja) * 2016-08-03 2020-12-16 伸和コントロールズ株式会社 空気調和装置
DE102016117380B4 (de) * 2016-09-15 2018-04-12 Rittal Gmbh & Co. Kg Schaltschrankkühlgerät mit einem Kondensatabscheider
CN114719341A (zh) * 2022-03-23 2022-07-08 青岛海尔空调器有限总公司 一种新风空调及其控制方法

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Publication number Priority date Publication date Assignee Title
JP2006329601A (ja) * 2005-05-30 2006-12-07 Mayekawa Mfg Co Ltd 冷却器及びその運転方法
JP2008293779A (ja) * 2007-05-24 2008-12-04 Fuji Electric Holdings Co Ltd 燃料電池発電装置
KR101351857B1 (ko) 2011-09-09 2014-01-15 김홍운 난방장치의 열교환기 배치구조
KR101423137B1 (ko) 2011-09-09 2014-07-29 김홍운 실외기 없는 난방장치
JP2017009149A (ja) * 2015-06-18 2017-01-12 東芝キヤリア株式会社 空気調和機
JP2017138069A (ja) * 2016-02-05 2017-08-10 株式会社デンソー 一体型空調装置

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AU2001239565B2 (en) 2004-03-11
HK1047616A1 (zh) 2003-02-28
US20040011072A1 (en) 2004-01-22
JPWO2002077535A1 (ja) 2004-07-15
GB2376291A (en) 2002-12-11
GB0211234D0 (en) 2002-06-26
CN1419645A (zh) 2003-05-21

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