WO2019224865A1 - Ensemble de climatiseur et d'emballage pour climatiseur - Google Patents

Ensemble de climatiseur et d'emballage pour climatiseur Download PDF

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Publication number
WO2019224865A1
WO2019224865A1 PCT/JP2018/019456 JP2018019456W WO2019224865A1 WO 2019224865 A1 WO2019224865 A1 WO 2019224865A1 JP 2018019456 W JP2018019456 W JP 2018019456W WO 2019224865 A1 WO2019224865 A1 WO 2019224865A1
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WO
WIPO (PCT)
Prior art keywords
refrigerant
air conditioner
heat exchanger
sensor
refrigerating machine
Prior art date
Application number
PCT/JP2018/019456
Other languages
English (en)
Japanese (ja)
Inventor
英明 前山
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2020520865A priority Critical patent/JP7009624B2/ja
Priority to EP18919943.3A priority patent/EP3798527A4/fr
Priority to PCT/JP2018/019456 priority patent/WO2019224865A1/fr
Priority to EP21203214.8A priority patent/EP3961119B1/fr
Priority to CN201880093339.7A priority patent/CN112154292B/zh
Priority to CN202210521435.5A priority patent/CN114777285A/zh
Publication of WO2019224865A1 publication Critical patent/WO2019224865A1/fr
Priority to JP2021195333A priority patent/JP7256248B2/ja
Priority to JP2023034595A priority patent/JP2023060225A/ja

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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
    • 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
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
    • 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
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the 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
    • F24F11/62—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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/60—Odour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222—Detecting refrigerant leaks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices

Definitions

  • the present invention relates to an air conditioner having a leakage detection function for a flammable refrigerant and a packaging set of the air conditioner.
  • Patent Document 1 discloses an air conditioner including a refrigerant detecting means for detecting the concentration of a combustible refrigerant in a room.
  • the indoor fan is operated with a preset air volume.
  • Refrigeration oil stored in the compressor is normally discharged from the compressor together with the refrigerant and circulates in the air conditioner. Therefore, when the refrigerant is leaking, the refrigeration oil is also almost leaking. However, in patent document 1, it is not considered about refrigeration oil leaking with a refrigerant
  • the present invention has been made to solve the above-described problems, and an object thereof is to improve the safety of the air conditioner.
  • the combustible refrigerant circulates in the order of the compressor, the first heat exchanger, the expansion valve, and the second heat exchanger.
  • the compressor stores the refrigerating machine oil and discharges the refrigerating machine oil together with the refrigerant.
  • the refrigerating machine oil circulates together with the refrigerant in the order of the compressor, the first heat exchanger, the expansion valve, and the second heat exchanger.
  • the first heat exchanger is disposed in the first space.
  • the second heat exchanger is disposed in the second space.
  • the air conditioner includes a first sensor, a second sensor, and a control device.
  • the first sensor detects the refrigerant in the first space.
  • the second sensor detects the odor of the refrigerating machine oil in the first space.
  • the control device detects the leakage of the refrigerant using the first detection signal from the first sensor and the second detection signal from the second sensor.
  • the combustible refrigerant circulates in the order of the compressor, the first heat exchanger, the expansion valve, and the second heat exchanger.
  • the compressor stores the refrigerating machine oil and discharges the refrigerating machine oil together with the refrigerant.
  • the refrigerating machine oil circulates together with the refrigerant in the order of the compressor, the first heat exchanger, the expansion valve, and the second heat exchanger.
  • the first heat exchanger is disposed in the first space.
  • the second heat exchanger is disposed in the second space.
  • the air conditioner includes a sensor, a sample storage unit, and a control device.
  • the sensor detects the refrigerant in the first space.
  • the sample storage unit stores a sample of refrigerating machine oil and can release the odor of the sample to the outside.
  • the control device detects the leakage of the refrigerant using a detection signal from the sensor.
  • An air conditioner packaging set is an air conditioner packaging set in which a combustible refrigerant circulates in the order of a compressor, a first heat exchanger, an expansion valve, and a second heat exchanger. It is.
  • the compressor stores refrigeration oil and discharges the refrigeration oil together with the refrigerant.
  • the refrigerating machine oil circulates together with the refrigerant in the order of the compressor, the first heat exchanger, the expansion valve, and the second heat exchanger.
  • the first heat exchanger is disposed in the first space.
  • the second heat exchanger is disposed in the second space.
  • the air conditioner includes a sensor and a control device. The sensor detects the refrigerant in the first space.
  • the control device detects the leakage of the refrigerant using a detection signal from the sensor.
  • the packing set includes a sample of refrigeration oil and a packing box.
  • the packaging box contains at least one of a compressor, a first heat exchanger, an expansion valve, a second heat exchanger, a sensor, and a control device and a sample.
  • the air conditioner and the air conditioner packaging set according to the present invention it is possible to detect the refrigerant leaked into the first space even by the odor of the refrigeration oil. Therefore, the detection accuracy of the refrigerant leak in the first space is improved. be able to. As a result, the safety of the air conditioner can be improved.
  • FIG. 2 is a functional block diagram illustrating a configuration of the air conditioner according to Embodiment 1.
  • FIG. It is a schematic external view of the indoor unit of the air conditioner of FIG. It is a flowchart which shows the flow of the refrigerant
  • FIG. 6 is a functional block diagram illustrating a configuration of an air conditioner according to Embodiment 2.
  • FIG. 6 is a functional block diagram illustrating a configuration of an air conditioner according to Embodiment 3.
  • FIG. It is a schematic external view of the indoor unit of the air conditioner of FIG.
  • FIG. 10 is a schematic external view of the sample container of FIG. 9. It is a figure which shows a mode that the indoor unit is packed by the packing set of the air conditioner which concerns on Embodiment 4.
  • FIG. It is a figure which shows a mode that the packing set of FIG. 11 was unpacked.
  • FIG. 1 is a functional block diagram illustrating a configuration of an air conditioner 100 according to Embodiment 1.
  • FIG. 2 is a schematic external view of the indoor unit 10 of the air conditioner 100 of FIG.
  • a refrigerant containing combustible R290 propane
  • the air conditioner 100 includes a heating mode, a cooling mode, and a defrosting mode as operation modes.
  • the air conditioner 100 includes an indoor unit 10 and an outdoor unit 11. Both the indoor unit 10 and the outdoor unit 11 are supplied with power from the main power source Ps1 (first power source).
  • Ps1 first power source
  • the indoor unit 10 is arranged indoors (first space).
  • the indoor unit 10 includes an indoor heat exchanger 1 (first heat exchanger), an indoor fan 2, a refrigerant sensor s1 (first sensor), and an odor sensor s2 (second sensor).
  • the outdoor unit 11 is disposed outside (second space).
  • the outdoor unit 11 includes a compressor 3, a four-way valve 4, an expansion valve 5, an outdoor heat exchanger 6 (second heat exchanger), an outdoor fan 7, and a control device 8.
  • the compressor 3 stores refrigerating machine oil for lubricating the compression mechanism.
  • the refrigerating machine oil is a refrigerating machine oil having a unique odor and includes, for example, PAG (PolyAlkylene Glycol) oil.
  • the control device 8 controls the four-way valve 4 to form a flow path so that the refrigerant circulates in the order of the compressor 3, the indoor heat exchanger 1, the expansion valve 5, and the outdoor heat exchanger 6. .
  • the indoor heat exchanger 1 functions as a condenser
  • the outdoor heat exchanger 6 functions as an evaporator.
  • the control device 8 controls the four-way valve 4 so that the refrigerant circulates in the order of the compressor 3, the outdoor heat exchanger 6, the expansion valve 5, and the indoor heat exchanger 1. Form a road.
  • the indoor heat exchanger 1 functions as an evaporator
  • the outdoor heat exchanger 6 functions as a condenser.
  • the control device 8 controls the amount of refrigerant discharged by the compressor 3 per unit time by controlling the driving frequency of the compressor 3.
  • the control device 8 adjusts the opening degree of the expansion valve 5.
  • the control device 8 controls the air volume per unit time of the indoor fan 2 and the outdoor fan 7.
  • the refrigerant sensor s ⁇ b> 1 and the odor sensor s ⁇ b> 2 are disposed further down than the indoor heat exchanger 1 with respect to the blowing direction by the indoor fan 2.
  • the refrigerant sensor s1 outputs a detection signal (first detection signal) indicating the refrigerant concentration to the control device 8.
  • the odor sensor s2 outputs a detection signal (second detection signal) indicating the odor of the refrigeration oil to the control device 8.
  • the refrigerating machine oil stored in the compressor 3 is normally discharged from the compressor 3 together with the refrigerant and circulates through the air conditioner 100. Therefore, when the refrigerant is leaking, the refrigeration oil is also almost leaking.
  • refrigerant leakage in the room is detected using the refrigerant concentration and the odor of the refrigerating machine oil.
  • the accuracy of refrigerant leakage detection can be improved compared to the case of detecting refrigerant leakage using only the refrigerant concentration, thereby improving the safety of the air conditioner. Can do.
  • FIG. 3 is a flowchart showing the flow of the refrigerant leakage detection process performed by the control device 8.
  • the process shown in FIG. 3 is called regularly or irregularly by a main routine (not shown) that controls the operation of the air conditioner 100.
  • the step is also referred to as S.
  • the detection level L1 represents the level of the detection signal of the refrigerant sensor s1
  • the detection level L2 represents the level of the detection signal of the odor sensor s2.
  • control device 8 determines in S11 whether or not the detection level L1 of the indoor refrigerant concentration is greater than a threshold A1 (first threshold).
  • a threshold A1 first threshold
  • control device 8 returns the process to the main routine after performing the safety ensuring process in S14.
  • the indoor fan 2 is used to stir the indoor air to make the refrigerant distribution in the room uniform, thereby reducing the refrigerant concentration, generating an alarm sound, blinking the lamp, and displaying a message.
  • the control device 8 determines in S12 whether the indoor refrigeration oil detection level L2 is greater than the threshold value B1 (second threshold value). Determine.
  • the control device 8 returns the process to the main routine after performing the safety ensuring process in S14.
  • the control device 8 returns the process to the main routine.
  • the refrigerant leakage determination using the refrigerant concentration (S11) and the refrigerant leakage determination using the odor of the refrigerating machine oil (S12) are performed in different steps.
  • the refrigerant leakage determination may be performed using both the refrigerant concentration and the odor of the refrigerating machine oil in the same step.
  • the process shown in FIG. 4 may be performed instead of the process shown in FIG. In FIG.
  • the detection level L1 is equal to or lower than the threshold value A1 (NO in S11) in the refrigerant leakage determination using the refrigerant concentration
  • the detection level L2 is equal to or lower than the threshold value B1 in the refrigerant leakage determination using the odor of the refrigerating machine oil ( If NO in S12, a refrigerant leakage determination (S13) is performed using the refrigerant concentration and the odor of the refrigerating machine oil together.
  • the detection level L1 is not more than the threshold A1 and the detection level L2 is not more than the threshold B1 at the time when S13 is performed, the detection level L1 is not more than the threshold A1 and the detection level L2 is not more than the threshold B1 in S13. It is necessary to set conditions to be determined as refrigerant leakage in the following range. Therefore, in FIG. 4, the threshold A2 (third threshold) is smaller than the threshold A1, and the threshold B2 (fourth threshold) is smaller than the threshold B1.
  • control device 8 determines that the detection level L1 is larger than the threshold value A2 and is detected in S13. It is determined whether level L2 is greater than threshold value B2. When detection level L1 is greater than threshold value A2 and detection level L2 is greater than threshold value B2 (YES in S13), control device 8 performs a safety ensuring process in S14 and returns the process to the main routine. When detection level L1 is equal to or lower than threshold A2, or detection level L2 is equal to or lower than threshold B2 (NO in S13), control device 8 returns the process to the main routine.
  • the refrigerant leakage determination condition is a condition that the refrigerant concentration detection level L1 or the refrigerating machine oil detection level L2 is greater than a threshold value. Whether the refrigerant leakage determination condition includes a point specified by the detection level L1 and the detection level L2 in the refrigerant leakage region to be determined as refrigerant leakage on the coordinate plane indicating the relationship between the detection level L1 and the detection level L2. It may be determined depending on whether or not.
  • FIG. 5 is a coordinate plane showing the relationship between the detection level L1 and the detection level L2, with the X axis being the refrigerant concentration detection level L1 and the Y axis being the refrigeration oil detection level L2.
  • the refrigerant leakage area shown in FIG. 5 is expressed as the following equation (1).
  • the detection level L1 and the detection level L2 that satisfy Equation (1) are included in the refrigerant leakage region.
  • the threshold value A2 of the detection level L1 and the threshold value B2 of the detection level L2 in FIG. 4 are, for example, the boundary line (point P1 (A1, 0) between the refrigerant leakage region and the non-refrigerant leakage region (region not satisfying the expression (1)). )
  • the point P2 (0, B1) are set to the detection level L1 and the detection level L2 of the point P3 on the line).
  • FIG. 6 is a flowchart showing a flow of processing for determining refrigerant leakage using the equation (1).
  • the flowchart shown in FIG. 6 is a flowchart in which S11 and S12 in FIG. 3 are replaced with S10.
  • the control device 8 determines whether or not the detection level L1 and the detection level L2 satisfy Expression (1).
  • detection level L1 and detection level L2 satisfy Expression (1) (YES in S10)
  • control device 8 performs a safety ensuring process in S14 and returns the process to the main routine.
  • detection level L1 and detection level L2 do not satisfy Expression (1) NO in S10), control device 8 returns the process to the main routine.
  • the safety of the air conditioner can be improved.
  • Embodiment 2 the case where the refrigerant sensor and the odor sensor are supplied with power from the power supply of the air conditioner has been described.
  • the second embodiment a case where at least one of the refrigerant sensor and the odor sensor is supplied with power from a power source different from the power source of the air conditioner will be described. With such a configuration, even when power is not supplied to the air conditioner (when the air conditioner and the power source are not connected or when there is a power failure), at least one of the refrigerant sensor or the odor sensor is Since it is operating, it is possible to detect refrigerant leakage.
  • FIG. 7 is a functional block diagram showing the configuration of the air conditioner 200 according to the second embodiment.
  • the configuration of the air conditioner 200 is that the auxiliary power source Ps2 (second power source) is added to the configuration of the air conditioner 100 of FIG. It is a configuration. Since the other configuration is the same, the description will not be repeated.
  • the auxiliary power supply Ps2 supplies power to the odor sensor s22.
  • Auxiliary power supply Ps2 includes, for example, a battery.
  • the detection level L2 exceeds the threshold value B1
  • the odor sensor s22 notifies the refrigerant leakage by, for example, an alarm sound, a blinking lamp, or a message display.
  • the sensor to which power is supplied from the auxiliary power source Ps2 when the power supply from the main power source Ps1 is stopped (for example, when the outlet of the air conditioner 200 is disconnected from the main power source Ps1 or in the event of a power failure)
  • the sensor s21 may be used.
  • the refrigerant sensor s21 when the detection level L1 exceeds the threshold value A1, the refrigerant sensor s21 notifies the refrigerant leakage by, for example, an alarm sound, blinking of a lamp, or display of a message. Even when the power supply from the main power supply Ps1 is stopped, since at least one of the refrigerant sensor s1 and the odor sensor s22 is operating, the refrigerant leakage can be detected by the operating sensor.
  • the sensor supplied with the power from the auxiliary power source Ps2 normally receives the power from the main power source Ps1 and receives the auxiliary power source. It is preferable that the power of Ps2 is not consumed and the power is received from the auxiliary power source Ps2 in an emergency.
  • both the refrigerant sensor s1 and the odor sensor s2 are operated so that both the refrigerant sensor s1 and the odor sensor s2 operate even when the power supply from the main power supply Ps1 is stopped. It is more preferable to supply power from the auxiliary power source Ps2.
  • the air conditioner according to the second embodiment refrigerant leakage can be detected even when power is not supplied to the air conditioner. Therefore, the safety of the air conditioner is improved compared to the first embodiment. Further improvement can be achieved.
  • Embodiments 3 and 4 In Embodiment 1, 2, the structure which detects the odor of refrigerating machine oil with a sensor was demonstrated. In Embodiments 3 and 4, a configuration will be described in which the user himself / herself can recognize that the refrigeration oil is leaking indoors by making the user recognize the odor of the cooling oil.
  • R290 contained in the refrigerant used in the air-conditioning apparatus according to Embodiment 1 is almost odorless.
  • an odorant is not usually mixed with the refrigerant. Therefore, it is often difficult for the user to notice the odor of the refrigerant leaked into the room.
  • the odor of the refrigerating machine oil is made to be recognized by the user in advance using a sample of refrigerating machine oil used for lubrication in the compressor of the air conditioner.
  • the user feels the odor in the room, the user can notice that the refrigerating machine oil is leaking into the room.
  • the user can notice the odor of the refrigerator oil in the room, so the safety of the air conditioner is better than when the user does not know the odor of the refrigerator oil Can be improved.
  • the odor sensor is unnecessary, and therefore the manufacturing costs of the third and fourth embodiments can be reduced compared to the first and second embodiments.
  • Embodiment 3 an air conditioner in which an indoor unit is provided with a sample storage unit for refrigeration oil will be described.
  • Embodiment 4 a packaging set of an air conditioner in which a sample container of refrigeration oil separate from the air conditioner is packaged together with the air conditioner will be described.
  • FIG. FIG. 8 is a functional block diagram showing the configuration of the air conditioner 300 according to Embodiment 3.
  • the configuration of the air conditioner 300 is a configuration in which the indoor unit 10 of the air conditioner 100 in FIG. 1 is replaced with the indoor unit 30, and the control device 8 of the outdoor unit 11 is replaced with the control device 38.
  • the configuration of the indoor unit 30 is a configuration in which the odor sensor s2 is removed from the configuration of the indoor unit 10 and a sample container 31 (sample storage unit) is detachably attached as shown in FIG.
  • the control device 38 receives the detection signal from the refrigerant sensor s1, and performs refrigerant leakage determination using the refrigerant concentration, but does not perform refrigerant leakage determination using the odor of the refrigerating machine oil.
  • the control device 38 performs safety ensuring processing when the refrigerant concentration detection level L1 is greater than the threshold value A1. Since the configuration other than these is the same, the description will not be repeated.
  • FIG. 10 is a schematic external view of the sample container 31 of FIG.
  • the sample container 31 includes a resin main body 311 and a resin lid 312.
  • the main body 311 accommodates a sponge Spg in which a sample of refrigerating machine oil used for lubricating the compressor 3 of FIG.
  • the lid 312 is attached to the main body 311 (FIG. 10A)
  • the odor of the refrigerating machine oil is sealed inside the sample container 31 and hardly leaks outside the sample container 31.
  • It is attached to the air conditioner 300 in the state shown in FIG.
  • the sample container 31 can release the odor of the sample of the refrigerating machine oil to the outside in a state where the lid 312 is removed from the main body 311 (FIG. 10B).
  • the user removes the sample container 31 from the air conditioner 300, removes the lid 312 from the main body 311 as shown in FIG. 10B, and confirms the odor of the refrigerating machine oil.
  • Embodiment 3 while being able to improve the safety
  • FIG. FIG. 11 is a diagram illustrating a state where the indoor unit 40 is packed by the air conditioner packing set 400 according to the fourth embodiment.
  • the appearance of the indoor unit 40 is the same as that of the indoor unit 10 shown in FIG. Moreover, the indoor unit 40 does not include an odor sensor like the indoor unit 30 shown in FIG.
  • the indoor unit 40 is housed in a packing box 41 with both ends covered with buffering agents 42 and 43. When the packaging box 41 is slid in the longitudinal direction of the indoor unit 40, the packaging set 400 is unpacked.
  • FIG. 12 is a view showing a state where the packing set 400 of FIG. 11 is unpacked.
  • a remote controller Rm an instruction manual packed together with a sample container 31 for refrigerating machine oil, and the like are attached to the rear surface of the indoor unit 40.
  • the sample container 31 is the same as that shown in FIG. 10, and contains a sponge in which refrigeration oil is soaked. The user can check the odor of the refrigerating machine oil using the sample container 31.
  • the safety of the air conditioner can be improved and the manufacturing cost of the air conditioner can be reduced as compared with the first and second embodiments. Can do.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)

Abstract

La présente invention concerne un climatiseur (100), selon un aspect, permettant à un fluide frigorigène inflammable de circuler à travers, dans l'ordre, un compresseur (3), un premier échangeur de chaleur (1), un détendeur (5), et un second échangeur de chaleur (6). Le compresseur (3) stocke une huile de machine frigorifique et l'évacue avec le fluide frigorigène. L'huile de machine frigorifique circule à travers, dans l'ordre, le compresseur (3), le premier échangeur de chaleur (1), le détendeur (5) et le second échangeur de chaleur (6) avec le fluide frigorigène. Le premier échangeur de chaleur (1) est disposé dans une première pièce. Le second échangeur de chaleur (6) est disposé dans une seconde pièce. Le climatiseur (100) est pourvu d'un premier capteur (s1), d'un second capteur (s2) et d'un dispositif de commande (8). Le premier capteur (s1) détecte un fluide frigorigène dans la première pièce. Le second capteur (s2) détecte une odeur d'une huile de machine frigorifique dans la première pièce. Le dispositif de commande (8) détecte la fuite d'un fluide frigorigène à l'aide d'un premier signal détecté provenant du premier capteur (s1) et d'un second signal détecté provenant du second capteur (s2).
PCT/JP2018/019456 2018-05-21 2018-05-21 Ensemble de climatiseur et d'emballage pour climatiseur WO2019224865A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2020520865A JP7009624B2 (ja) 2018-05-21 2018-05-21 空気調和機および空気調和機の梱包セット
EP18919943.3A EP3798527A4 (fr) 2018-05-21 2018-05-21 Ensemble de climatiseur et d'emballage pour climatiseur
PCT/JP2018/019456 WO2019224865A1 (fr) 2018-05-21 2018-05-21 Ensemble de climatiseur et d'emballage pour climatiseur
EP21203214.8A EP3961119B1 (fr) 2018-05-21 2018-05-21 Climatiseur
CN201880093339.7A CN112154292B (zh) 2018-05-21 2018-05-21 空调机以及空调机的捆包套组
CN202210521435.5A CN114777285A (zh) 2018-05-21 2018-05-21 空调机以及空调机的捆包套组
JP2021195333A JP7256248B2 (ja) 2018-05-21 2021-12-01 空気調和機の梱包セット
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US11636870B2 (en) 2020-08-20 2023-04-25 Denso International America, Inc. Smoking cessation systems and methods
US11760169B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Particulate control systems and methods for olfaction sensors
US11760170B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Olfaction sensor preservation systems and methods
US11813926B2 (en) 2020-08-20 2023-11-14 Denso International America, Inc. Binding agent and olfaction sensor
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US11932080B2 (en) 2020-08-20 2024-03-19 Denso International America, Inc. Diagnostic and recirculation control systems and methods
US12017506B2 (en) 2021-03-31 2024-06-25 Denso International America, Inc. Passenger cabin air control systems and methods

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CN114777285A (zh) 2022-07-22
CN112154292A (zh) 2020-12-29
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EP3961119A1 (fr) 2022-03-02

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