WO2019106808A1 - Conditionneur d'air - Google Patents

Conditionneur d'air Download PDF

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Publication number
WO2019106808A1
WO2019106808A1 PCT/JP2017/043175 JP2017043175W WO2019106808A1 WO 2019106808 A1 WO2019106808 A1 WO 2019106808A1 JP 2017043175 W JP2017043175 W JP 2017043175W WO 2019106808 A1 WO2019106808 A1 WO 2019106808A1
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WO
WIPO (PCT)
Prior art keywords
abnormality
time
air conditioner
control unit
detected
Prior art date
Application number
PCT/JP2017/043175
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English (en)
Japanese (ja)
Inventor
正夫 玉富
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 JP2019556495A priority Critical patent/JP6884229B2/ja
Priority to PCT/JP2017/043175 priority patent/WO2019106808A1/fr
Publication of WO2019106808A1 publication Critical patent/WO2019106808A1/fr

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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
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to an air conditioner having an abnormality detection function.
  • Patent Document 1 detects an abnormality of an air conditioner using a temperature detected by a temperature sensor, and when an abnormality is detected, stops the compressor and automatically restarts the compressor after a predetermined time has elapsed. Machine will be disclosed.
  • the conventional air conditioner described above is not caused by deterioration or failure of parts, and detects an abnormality due to an external factor such as a rapid temperature rise of the outside air, and stops the compressor. Therefore, if there is no problem in continuing the operation of the air conditioner, that is, even if it is an erroneous detection of an abnormality, the operation of the air conditioner may be temporarily stopped, that is, a temporary stop may occur. It will be.
  • This invention is made in view of the above, Comprising: It aims at obtaining the air conditioner which can suppress the temporary stop of the air conditioner by the misdetection of abnormality.
  • the air conditioner according to the present invention includes an actuator device that performs air conditioning, and an abnormality that is detected, and the detected abnormality needs to stop the actuator device. It is estimated using the time from the detection of the previous abnormality to the detection of the current abnormality, whether the abnormality of 1 or the second abnormality that does not require stopping the actuator device, and the abnormality detected this time is the first abnormality.
  • the operation control unit is configured to stop the operation of the actuator device and to continue the operation of the actuator device if the abnormality detected this time is the second abnormality.
  • FIG. 2 is a functional block diagram of the air conditioner according to the first embodiment.
  • FIG. 2 is a diagram showing an example of configuration of a control circuit according to a first embodiment.
  • a flowchart showing an example of an operation in which the first measurement unit according to the first embodiment measures the integrated operation time Flow chart showing an example of operation when the operation control unit according to the first embodiment detects an abnormality
  • Flow chart showing an example of the abnormality estimation process according to the first embodiment The figure which shows the functional block of the air conditioner concerning Embodiment 2.
  • FIG. 1 is a diagram showing functional blocks of the air conditioner according to the first embodiment.
  • the air conditioner 100 includes an operation control unit 11, an actuator device 12, a first measurement unit 13, a second measurement unit 14, a storage unit 15, and an operation device 16.
  • the operation control unit 11 controls the operation of the air conditioner 100 and controls the operation of the compressor.
  • the operation control unit 11 also detects an abnormality in the air conditioner 100.
  • the abnormality of the air conditioner 100 means, for example, that the amount of current flowing through the motor for driving the compressor provided in the air conditioner 100 becomes a value larger than a specified value, and the pressure value of compression in the process of compressing the refrigerant. Becomes a value larger than the specified value, the fan increases to the fan rotation speed higher than the specified value, or the rotation speed of the fan becomes 0 rpm although the operation control unit 11 tries to drive the fan It is.
  • the operation control unit 11 detects an abnormality in the air conditioner 100, the integrated operation time, the first time threshold, or the second operation control unit 11 determines whether this is a first abnormality or a second abnormality.
  • the estimation is performed using at least one of the time threshold, the number of times of abnormality detection, the number of times of detection threshold, and the time until the present abnormality is detected from the previous abnormality.
  • the first abnormality is an abnormality that requires the operation control unit 11 to stop the compressor.
  • the second abnormality is an abnormality in which the operation control unit 11 does not have to stop the compressor.
  • estimating whether the abnormality detected by the operation control unit 11 is the first abnormality or the second abnormality is referred to as abnormality estimation processing. Details of the abnormality estimation processing will be described later.
  • the operation control unit 11 stops the compressor.
  • the operation control unit 11 continues the operation of the compressor.
  • the integrated operation time is the integrated operation time of the compressor from the first operation of the air conditioner 100 installed in a building or the like to the present.
  • the first time threshold, the second time threshold, and the detection frequency threshold are detected when the operation control unit 11 detects an abnormality in the air conditioner 100, the detected abnormality is a first abnormality. This value is used to estimate whether the second abnormality or the second abnormality, the details will be described later.
  • the number of times of abnormality detection is the number of times of continuously detecting the second abnormality since the power of the air conditioner 100 is turned on.
  • the actuator device 12 includes a compressor provided with a motor and a fan provided with the motor.
  • the compressor and the fan are devices for adjusting the temperature of the air in the space where the air conditioner 100 is installed, that is, performing the air conditioning.
  • the compressor compresses a refrigerant for heat exchange, which is not illustrated, to perform heat exchange.
  • the fan generates a wind as it rotates, urges the heat exchanger to exchange heat, and creates a cold or warm air.
  • FIG. 2 is a view showing the relationship among the power supply, the operation device 16, the compressor, and the operation time according to the first embodiment.
  • the power supply is a breaker.
  • the power is turned on when the power is turned on, or turned off when the power is turned off.
  • the operating device 16 issues an operation command to operate or stop the air conditioner 100. Even when there is a command for driving operation by the operating device 16, the compressor does not operate if the temperature set by the operating device 16 and the temperature of the room in which the air conditioner 100 is installed are not separated. That is, when the power is on and there is an operation to operate the air conditioner 100 by the operating device 16 and the temperature set by the operating device 16 is separated from the temperature in the room, the compressor operates. Start.
  • the first measuring unit 13 measures an operating time which is a time during which the compressor operates.
  • the first measuring unit 13 holds the operating time in the first measuring unit 13 while measuring the operating time.
  • the operation time is added to the integrated operation time stored in the storage unit 15 before the power of the air conditioner 100 is turned off. For example, if the integrated operation time so far is 100 hours, the compressor is operated for 10 hours, then the compressor is stopped for 5 hours, and then the compressor is operated for 15 hours, the first measuring unit 13 Measures and holds that the compressor has been operating for 25 hours.
  • the storage unit 15 stores an integrated operating time 125 which is obtained by adding 25 hours which is an operating time to 100 hours which is an integrated operating time.
  • the unit of time for measuring the operating time and the integrated operating time is one hour.
  • the storage unit 15 may store the operating time and the integrated operating time in other time units, for example, in units of one minute without being limited to the one-hour unit.
  • the operation control unit 11 can obtain the integrated operation time stored in the first measurement unit 13 so that the integrated time of operation after the air conditioner 100 is installed can be grasped.
  • the second measurement unit 14 measures and stores the time which is detected by the operation control unit 11 from the previous abnormality until the present abnormality is detected.
  • the second measurement unit 14 measures, for each abnormality cause, the time from the previous abnormality to the detection of the present abnormality, and stores the measured time for each abnormality cause.
  • the abnormality factor is a factor causing an abnormality in the air conditioner 100, and is an element formed by combining the place where the abnormality has occurred and the item in which the abnormality is detected. For example, the compression pressure value of the compressor, the amount of current flowing to the motor provided in the compressor, or the amount of current flowing to the motor provided in the fan.
  • the second measuring unit 14 separately measures the time when the abnormality of the compressor is detected and the time when the abnormality of the fan is detected.
  • the operation control unit 11 acquires the time from the previous abnormality to the current abnormality for each abnormality cause by acquiring the time from the previous abnormality to the detection of the current abnormality, which is stored in the second measurement unit 14. The time until detection can be determined.
  • the time from the previous abnormality to the detection of the present abnormality is stored in units of one minute.
  • the second measuring unit 14 is not limited to a unit of one minute, for example, even if it stores the time from the previous abnormality to the detection of the present abnormality in another time unit as in the unit of one hour. Good.
  • stores may not be separately limited, but may be in the form of putting together.
  • a common form of abnormality factor is an example of using a current value flowing to an actuator device 12 provided with a compressor and a fan.
  • the time from the previous abnormality to the detection of the current abnormality is referred to as a first time interval.
  • the second measurement unit 14 does not store the first time interval in the storage unit 15, but may store the first time interval in the storage unit 15.
  • the storage unit 15 stores a first time threshold, a second time threshold, and an integrated operation time.
  • the values stored in the storage unit 15 are held in the storage unit 15 even if the power of the air conditioner 100 is turned off. Therefore, the value can be reproduced when the power of the air conditioner 100 is turned on again.
  • the first time threshold and the second time threshold are not limited to the example defined as one value each, and when it is necessary for the processing of the operation control unit 11, each threshold may be plural. It may be defined and stored.
  • a plurality of first time threshold values are defined in relation to a failure rate corresponding to the integrated operation time of the air conditioner 100 described later.
  • the second time threshold is defined for each abnormality factor that detects an abnormality in the air conditioner 100.
  • the first time threshold and the second time threshold can be changed by using the operating device 16.
  • the operating device 16 is a device for the user to operate the air conditioner 100.
  • the user operates the operation device 16 to start the operation of the air conditioner 100, that is, to turn on the power of the air conditioner 100.
  • the user operates the operation device 16 to stop the operation of the air conditioner 100, that is, to turn off the power of the air conditioner 100.
  • the user uses the operation device 16 to set the room temperature or the wind flow rate of the air conditioner 100.
  • the compressor starts or stops the operation based on the room temperature set by the user or the air flow rate.
  • the controller device 16 includes a display unit and a communication unit (not shown), and can display information sent from the operation control unit 11 on the display unit.
  • the communication method between the operation device 16 and the operation control unit 11 is not limited to a wired method, and may be a wireless method.
  • the hardware configurations of the operation control unit 11, the actuator device 12, the first measurement unit 13, the second measurement unit 14, the storage unit 15, and the operation device 16 according to the first embodiment will be described.
  • the operation control unit 11, the first measurement unit 13, and the second measurement unit 14 are realized by a processing circuit that is an electronic circuit that performs each process.
  • the processing circuit may be a dedicated hardware or a control circuit including a CPU and a central processing unit (CPU) that executes a program stored in the memory and the memory.
  • the memory corresponds to, for example, a nonvolatile or volatile semiconductor memory such as a random access memory (RAM), a read only memory (ROM), or a flash memory, a magnetic disk, an optical disk, or the like.
  • RAM random access memory
  • ROM read only memory
  • flash memory a nonvolatile or volatile semiconductor memory
  • magnetic disk an optical disk, or the like.
  • the control circuit 200 includes a processor 200a, which is a CPU, and a memory 200b.
  • the processor 200a implements the process by reading and executing the program corresponding to each process stored in the memory 200b.
  • the memory 200 b is also used as a temporary memory in each process performed by the processor 200 a.
  • the processing circuit is dedicated hardware, the processing circuit is, for example, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or a combination thereof.
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the actuator device 12 is a device that converts electrical energy into physical motion.
  • the storage unit 15 is a non-volatile memory such as a ROM or a flash memory.
  • the operating device 16 is, for example, a remote controller provided with a display and a communication circuit.
  • FIG. 4 is a diagram showing the relationship between the failure rate of the air conditioner 100 according to the first embodiment and the integrated operation time.
  • the failures occurring in the air conditioner 100 are classified into the areas of initial failure, accidental failure, and wear failure according to the integrated operation time.
  • the initial failure is a failure that occurs in a short period of time after the start of operation of the air conditioner 100, such as an initial failure of a product or a failure at the installation of the air conditioner 100.
  • the initial failure is a failure that occurs when the integrated operation time of the air conditioner 100 is 3,000 hours or less.
  • Accidental failure is a failure that occurs in a stable state as a product without causes such as initial failure.
  • the accidental failure is a failure that occurs when the integrated operating time of the air conditioner 100 is greater than 3,000 hours and less than 30,000 hours.
  • the wear failure is a failure that occurs due to wear or deterioration of parts because the integrated operation time also becomes long.
  • the wear failure is a failure that occurs when the integrated operating time of the air conditioner 100 is 30,000 hours or more.
  • the first time threshold that divides the area between the initial failure and the random failure is referred to as a first failure threshold.
  • a first time threshold that divides the area between the accidental failure and the wear failure will be referred to as a second failure threshold.
  • the first failure threshold is 3,000 hours
  • the second failure threshold is 30,000 hours.
  • the operation control unit 11 performs the first detection of the detected abnormality.
  • the actuator device 12 is stopped assuming that it is abnormal.
  • FIG. 5 is a flowchart showing an example of an operation in which the first measurement unit 13 according to the first embodiment measures the integrated operation time. This flowchart starts from the state where the power supply of the air conditioner 100 is cut off, and after the power supply to the air conditioner 100 is turned on, the operation control unit 11 detects an abnormality and shows the process until the compressor is stopped.
  • the abnormal stop is that the operation control unit 11 detects an abnormality and the compressor is stopped.
  • the first measurement unit 13 acquires the integrated operation time from the storage unit 15 (step S01).
  • step S02 After the power of the air conditioner 100 is turned on, the compressor is stopped (step S02).
  • Step S03 If the compressor has started operation (Yes in step S03), the first measurement unit 13 starts measuring the operation time (step S04). In addition, the air conditioner 100 produces cold air or warm air by the operation of the compressor. When the compressor is stopped (Step S03, No), the process returns to Step S02.
  • the first measuring unit 13 increases the value of the operating time by one hour each time one hour has elapsed since the compressor was operated (step S05).
  • Step S06 When there is an operation to stop the operation by the operation device 16 or after the abnormality estimation processing is performed by the operation control unit 11, the result that the abnormality detected by the operation control unit 11 is estimated to be the first abnormality
  • the first measurement unit 13 adds the operation time to the integrated operation time, and stores the integrated operation time after the addition in the storage unit 15. In addition, increasing the value of the integrated operation time is stopped. (Step S07). If there is no operation for stopping the operation by the operation device 16 or if the abnormality detected by the operation control unit 11 is estimated to be not the first abnormality after the operation control unit 11 performs the abnormality estimation processing ( Step S06, No), this processing returns to step S05.
  • step S08 When the power of the air conditioner 100 is turned off (Yes in step S08), the process ends. In addition, when the power supply of the air conditioner 100 is not cut
  • FIG. 6 is a flowchart illustrating an example of an operation when the operation control unit 11 according to the first embodiment detects an abnormality. This flowchart starts from the state where the power supply of the air conditioner 100 is cut off, and after the power supply to the air conditioner 100 is turned on, the operation control unit 11 detects an abnormality and shows the process until the compressor is stopped.
  • the operation control unit 11 monitors an abnormality of the air conditioner 100 (step S11).
  • Step S12 If the operation control unit 11 detects an abnormality in the air conditioner 100 (Yes at Step S12), the second measuring unit 14 measures and holds the first time interval (Step S13). When the operation control unit 11 does not detect an abnormality in the air conditioner 100 (No in step S12), the process proceeds to step S17.
  • the operation control unit 11 performs an abnormality estimation process on the abnormality detected this time.
  • the operation control unit 11 estimates that the abnormality detected this time is the first abnormality (Yes in step S14)
  • the operation control unit 11 stops the operation of the compressor (step S15). The method of the abnormality estimation process will be described later.
  • the operation control unit 11 estimates that the abnormality detected this time is not the first abnormality (No in step S14), the operation control unit 11 limits the capability of the air conditioner 100. For example, when the abnormality detected this time makes the compressor an abnormality factor, the operation control unit 11 lowers the target frequency of the compressor. In addition, when the abnormality detected this time causes the fan as an abnormality factor, the operation control unit 11 lowers the target rotation speed per minute of the fan, that is, the value of the target rotation speed. (Step S16). For example, when the abnormality factor is a compressor, the operation control unit 11 lowers the target frequency of the compressor by 10 Hz.
  • the operation control unit 11 reduces, for example, the value of the target rotational speed of the fan by 50 rpm. In addition, each reduced value of a compressor and a fan is not limited to the illustrated value. Thereafter, the operation control unit 11 returns the process to step S11 without stopping the compressor.
  • the operation control unit 11 If the operation control unit 11 does not detect the abnormality of the same cause as the abnormality detected at the previous time again, and a predetermined time has elapsed since the detection of the previous abnormality (Yes at step S17), the operation control unit 11 detects the last time It is estimated that the abnormality is a second abnormality, and the value of the target frequency of the compressor lowered in step S16 or the target rotational speed of the lowered fan is restored (step S18). If the operation control unit 11 detects an abnormality having the same abnormality cause as the abnormality detected at the previous time again without detecting a predetermined time after detecting the previous abnormality (No at Step S17), the process proceeds to Step S11. .
  • FIG. 7 is a flowchart illustrating an example of the abnormality estimation process according to the first embodiment.
  • the operation control unit 11 stands by without performing an abnormality estimation process until an abnormality is detected in the air conditioner 100 (step S21).
  • the operation control unit 11 When an abnormality is detected in the air conditioner 100, the operation control unit 11 starts an abnormality estimation process, and the number of times of abnormality detection and the number of times of detection threshold, that is, the threshold of the number of times of abnormality detection before abnormal stop Are compared (step S22). If the number of times of abnormality detection is equal to or more than the detection number threshold (Yes in step S23), the operation control unit 11 estimates the detected abnormality as a first abnormality, stops the compressor, and ends this processing (step S29). In order to recover the abnormal stop, it is necessary to establish a condition for recovering the abnormal stop.
  • the condition for returning the abnormal stop is, for example, that the user confirms the content of the abnormality of the air conditioner 100 displayed by the operating device 16 and resets the operation operation of the air conditioner 100.
  • the operation control unit 11 measures the number of times of abnormality detection
  • the first measurement unit 13 or the second measurement unit 14 may measure it. Further, in the present embodiment, the number of times of abnormality detection is not stored in the storage unit 15, but may be stored in the storage unit 15.
  • the operation control unit 11 compares the number of times of abnormal detection with the threshold of the number of times of detection, and if the number of times of abnormal stop is less than the threshold of the number of times of detection (No in step S23)
  • the first failure threshold and the second failure threshold, which are values, are compared (step S24).
  • step S25 If the integrated operation time is equal to or less than the first failure threshold or equal to or more than the second failure threshold (step S25, Yes), that is, the abnormality detected by the operation control unit 11 is an initial failure or wear failure If the abnormality is in the range of (1), the operation control unit 11 estimates that the detected abnormality is the first abnormality, abnormally stops the compressor, and ends the process (step S29).
  • step S25 If the integrated operation time is larger than the first failure threshold and smaller than the second failure threshold (No in step S25), that is, the abnormality detected by the operation control unit 11 is a random failure. If there is an abnormality in the area, the operation control unit 11 compares the first time interval with the second time threshold (step S26).
  • step S27 If the first time interval is less than or equal to the second time threshold (Yes at step S27), the operation control unit 11 estimates that the detected abnormality is the first abnormality, and stops the compressor. The process ends (step S29).
  • step S27 If the first time interval is larger than the second time threshold (No at step S27), the operation control unit 11 estimates that the detected abnormality is a second abnormality at this time (step S28). . After this, the process returns to step S21. In the case where an abnormality is not detected even once after the processing of this flowchart is started, that is, when the previous abnormality is not detected, the first time interval is not calculated, so the process of step S27 is a step Go to S28.
  • step S26 the operation control unit 11 uses the first time interval to make an abnormality. Determine the type of detection.
  • the abnormality estimation processing may be performed except for step S24, step S25, step S26 and step S27. That is, the present process includes an abnormality estimation process that uses the first failure threshold and the second failure threshold, and an abnormality estimation process that compares the second time threshold with the first time interval. It may be excluded. By excluding this processing, the abnormality estimation processing can suppress the temporary stop of the compressor before detecting the abnormality and before permitting the second abnormality for the number of times of abnormality detection.
  • the operation control unit 11 performs an abnormality estimation process.
  • the operation control unit 11 determines the time from the previous detection of the abnormality to the current detection of the abnormality, the number of times the detected abnormality is estimated to be the second abnormality, and the integrated operation of the actuator device 12 By using time, it is estimated whether the detected abnormality is a first abnormality or a second abnormality.
  • the abnormality caused by the external factor is not detected again after a predetermined time from the abnormality detection. Therefore, when the abnormality detected by the operation control unit 11 is not estimated to be the first abnormality during the abnormality estimation process, the operation control unit 11 , The second anomaly, and reduce the output of the compressor without stopping the compressor.
  • the operation of the air conditioner 100 is continued by lowering the target frequency of the compressor.
  • the operation control unit 11 performs the abnormality estimation process, it is possible to suppress that the air conditioner 100 is temporarily stopped due to the erroneous detection of the abnormality due to the external factor. Further, by limiting the capacity of the air conditioner 100 and continuing the operation, it is possible to suppress the room temperature from deviating from the set temperature.
  • FIG. 8 is a diagram showing functional blocks of the air conditioner according to the second embodiment.
  • the air conditioner 100a includes an operation control unit 11a, an actuator device 12, a first measurement unit 13a, a second measurement unit 14a, a storage unit 15a, and an operation device 16.
  • the operation control unit 11a when the second abnormality is repeated a predetermined number of times or more, the operation control unit 11a causes the display unit of the operating device 16 to display a warning for prompting inspection of the air conditioner 100a.
  • the operation control unit 11a causes the display unit of the operation device 16 to display a warning prompting an inspection when the air conditioner 100a detects the second abnormality a certain number of times.
  • the operation control unit 11a measures a certain number of times, but the first measurement unit 13a or the second measurement unit 14a may measure it.
  • a threshold number of times for displaying a warning prompting inspection is stored in the storage unit 15a.
  • the second abnormality count is stored in the storage unit 15a, but may not be stored in the storage unit 15a.
  • the operation control unit 11a operates the operating device 16 By displaying a warning prompting the user to check the air conditioner 100a, it is possible to inform the user of the operating condition of the air conditioner 100a, the time of inspection of the product, or the implementation time of maintenance.
  • the operation control unit 11a can extend the product life of the air conditioner 100a by notifying the appropriate prevention or maintenance in this manner.
  • the configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. Parts can be omitted or changed.
  • 11 and 11a operation control unit 12 actuator devices, 13 and 13a first measurement unit, 14 and 14a second measurement unit, 15 and 15a storage unit, 16 operation device, 100 and 100a air conditioner, 200 control circuit, 200a processor, 200b memory.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un conditionneur d'air (100) qui comporte : un dispositif d'actionnement (12) pour effectuer un conditionnement d'air ; et une unité de commande de fonctionnement (11) pour détecter une anomalie, estimer, à l'aide du temps entre l'occasion précédente à laquelle une anomalie a été détectée et l'occasion actuelle à laquelle une anomalie est détectée, si l'anomalie détectée est une première anomalie qui nécessite l'arrêt du dispositif d'actionnement (12) ou une seconde anomalie qui ne nécessite pas l'arrêt du dispositif d'actionnement (12), arrêter le fonctionnement du dispositif d'actionnement (12) si l'anomalie détectée à cette occasion est une première anomalie, et poursuivre le fonctionnement du dispositif d'actionnement (12) si l'anomalie détectée à cette occasion est une seconde anomalie.
PCT/JP2017/043175 2017-11-30 2017-11-30 Conditionneur d'air WO2019106808A1 (fr)

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JP2019556495A JP6884229B2 (ja) 2017-11-30 2017-11-30 空気調和機
PCT/JP2017/043175 WO2019106808A1 (fr) 2017-11-30 2017-11-30 Conditionneur d'air

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JP2004205118A (ja) * 2002-12-25 2004-07-22 Mitsubishi Electric Corp 空気調和装置の制御装置
JP2010112696A (ja) * 2008-10-07 2010-05-20 Daikin Ind Ltd 空気調和装置の遠隔管理システムおよび遠隔管理方法
JP2010210121A (ja) * 2009-03-09 2010-09-24 Mitsubishi Electric Corp 空気調和装置

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JP2006125647A (ja) * 2004-10-26 2006-05-18 Sharp Corp 空気調和機，制御無効化プログラム

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JP2004205118A (ja) * 2002-12-25 2004-07-22 Mitsubishi Electric Corp 空気調和装置の制御装置
JP2010112696A (ja) * 2008-10-07 2010-05-20 Daikin Ind Ltd 空気調和装置の遠隔管理システムおよび遠隔管理方法
JP2010210121A (ja) * 2009-03-09 2010-09-24 Mitsubishi Electric Corp 空気調和装置

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