WO2019244225A1 - Dispositif de détection d'état pour climatiseurs, procédé de détection d'état pour climatiseurs et programme - Google Patents

Dispositif de détection d'état pour climatiseurs, procédé de détection d'état pour climatiseurs et programme Download PDF

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Publication number
WO2019244225A1
WO2019244225A1 PCT/JP2018/023179 JP2018023179W WO2019244225A1 WO 2019244225 A1 WO2019244225 A1 WO 2019244225A1 JP 2018023179 W JP2018023179 W JP 2018023179W WO 2019244225 A1 WO2019244225 A1 WO 2019244225A1
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Prior art keywords
power consumption
air conditioners
value
state
air conditioner
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PCT/JP2018/023179
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English (en)
Japanese (ja)
Inventor
井上　貴至
内藤　宏治
隼人 森
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日立ジョンソンコントロールズ空調株式会社
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Priority to PCT/JP2018/023179 priority Critical patent/WO2019244225A1/fr
Priority to JP2020525106A priority patent/JPWO2019244225A1/ja
Publication of WO2019244225A1 publication Critical patent/WO2019244225A1/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
    • F24F11/62—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

Definitions

  • the present invention relates to an air conditioner state detection device, an air conditioner state detection method, and a program.
  • the present invention provides an on-line system identifier for system identification of an air conditioner, which sequentially identifies parameters indicating the characteristics of a utilization unit, According to the present invention, there is provided an air conditioner that is suitably controlled in response to a large change in the thermal environment of a utilization unit that performs air conditioning. Yes. "
  • the online system identifier identifies another air conditioner whose system is different from that of the target air conditioner.
  • the parameters of the other air conditioners were considered to have no relation in grasping the state of the target air conditioner. Therefore, the state of the target air conditioner may not be able to be properly grasped.
  • the present invention has been made in view of the above circumstances, and has as its object to provide an air conditioner state detection device, an air conditioner state detection method, and a program that can appropriately grasp the state of an air conditioner. .
  • the air conditioner state detection device of the present invention from a plurality of air conditioners, power consumption measured value, and a parameter value that can affect power consumption, a data communication unit that receives each, An output unit that outputs a state of any of the air conditioners based on a correlation between a plurality of the parameter values and a correlation between the plurality of measured power consumption values.
  • the state of the air conditioner can be properly grasped.
  • FIG. 5 is a diagram illustrating an example of a relationship between a trial calculation value of power consumption and a measured power consumption value in the first embodiment. 5 is a flowchart of an analysis routine according to the first embodiment. It is a figure showing an example of the frequency characteristic of occurrence of a power consumption ratio in a 2nd embodiment.
  • FIG. 1 is a block diagram of an air conditioning management system S1 according to the first embodiment of the present invention.
  • the air conditioning management system S1 includes a plurality of air conditioners 120, 130, 170, 180, building management devices 110, 160, and an analysis device 300 (computer, air conditioner state detection device). Have.
  • the air conditioners 120 and 130 and the in-building management device 110 are installed in the building 100.
  • the air conditioners 170 and 180 and the in-building management device 160 are installed in the building 150.
  • Each of the air conditioners 120, 130, 170, and 180 includes one outdoor unit 30, N (N is a natural number) indoor units 60-1 to 60-N, a refrigerant pipe 10 connecting these, and an outdoor unit. And a control device 20 for controlling the indoor units 30 and the indoor units 60-1 to 60-N.
  • N is a natural number
  • the number N of indoor units is “8” for the air conditioners 120 and 170, “2” for the air conditioner 130, and “4” for the air conditioner 180.
  • each of the air conditioners 120, 130, 170, and 180 includes one outdoor unit 30, but the number of the outdoor units 30 may be plural.
  • one (or one system) air conditioner refers to one or more outdoor units 30 and one or more indoor units 60-1 to 60-N.
  • the building management device 110 controls the air conditioners 120 and 130 while communicating with the control device 20 of the air conditioners 120 and 130 provided in the building 100. That is, the in-building management device 110 performs management of the peak value of the total power consumption of the air conditioners 120 and 130, rotation management of the air conditioners 120 and 130, and the like.
  • the air conditioners 120 and 130 are provided with various sensors.
  • the detection values of these sensors are supplied to the in-building management device 110 via the respective control devices 20.
  • the in-building management device 160 provided in the building 150 has the same configuration as the in-building management device 160 described above. That is, the in-building management device 160 performs various managements of the air conditioners 170 and 180, and collects detection values of various sensors in the air conditioners 170 and 180.
  • the in-building management devices 110 and 160 perform two-way communication with the analysis device 300 via a network 350 such as the Internet. Also, a large number of in-building management devices (not shown) configured similarly to the in-building management devices 110 and 160 are connected to the network 350, and these in-building management devices are also bidirectional with the analysis device 300. Perform communication.
  • FIG. 2 is a system diagram of the air conditioner 130 described above.
  • the air conditioner 130 includes the two indoor units 60-1 and 60-2, the one outdoor unit 30, and the control device 20 that controls these. Since the two indoor units 60-1 and 60-2 have the same configuration, hereinafter, they may be collectively referred to as "the indoor unit 60".
  • Each indoor unit 60 sets an operation mode (cooling, heating, dehumidification, ventilation, etc.), a target indoor temperature, and the like according to a signal input from the remote controller 90.
  • the outdoor unit 30 includes a compressor 32, a four-way valve 34, an outdoor heat exchanger 36, and an outdoor expansion valve 38.
  • the compressor 32 includes a motor 32a and has a function of compressing the refrigerant flowing through the four-way valve 34.
  • a suction-side temperature sensor 41 for detecting the temperature of the refrigerant drawn into the compressor 32 and a suction-side pressure sensor 45 for detecting the pressure of the refrigerant drawn into the compressor 32 are provided.
  • the pipe a2 shown in FIG. 1 includes a discharge-side temperature sensor 42 for detecting the temperature of the refrigerant discharged from the compressor 32, and a discharge-side pressure sensor 46 for detecting the pressure of the refrigerant discharged from the compressor 32. , Is installed.
  • the compressor 32 is provided with a compressor temperature sensor 43 for detecting the temperature of the compressor 32.
  • the four-way valve 34 has a function of switching the direction of the refrigerant supplied to the indoor unit 60 between the cooling operation and the heating operation. During the cooling operation, the four-way valve 34 is switched to connect the pipes a2 and a3 and connect the pipes a1 and a6 along the path indicated by the solid line. In this case, the high-temperature and high-pressure refrigerant discharged from the compressor 32 is cooled by the outdoor heat exchanger 36. The cooled refrigerant is decompressed by the indoor expansion valve 62 sequentially through the pipe a4, the outdoor expansion valve 38, the pipe a5, the indoor liquid side connection d9, and the pipes a9 and b9. -1, 60-2.
  • the four-way valve 34 is switched to connect the pipes a2 and a6 and connect the pipes a1 and a3 along the path indicated by the broken line.
  • the high-temperature and high-pressure refrigerant discharged from the compressor 32 is supplied to the indoor units 60-1 and 60-2 via the pipes a2 and a6, the indoor gas side connection d7, and the pipes a7 and b7.
  • the outdoor fan 48 includes a motor 48a and sends air to the outdoor heat exchanger 36.
  • the outdoor heat exchanger 36 is a heat exchanger that exchanges heat between the air sent from the outdoor fan 48 and the refrigerant, and is connected to the compressor 32 via the four-way valve 34.
  • the outdoor unit 30 has an outdoor heat exchanger inlet temperature sensor 51 for detecting the temperature of the air flowing into the outdoor heat exchanger 36, and an outdoor heat exchange for detecting the temperature of the air discharged from the outdoor heat exchanger 36. And a container discharge temperature sensor 52.
  • the outdoor expansion valve 38 is inserted between the pipes a4 and a5 to adjust the flow rate of the refrigerant flowing through the pipes a4 and a5, and to reduce the refrigerant on the secondary side of the outdoor expansion valve 38.
  • the power supply unit 54 receives a three-phase AC voltage from the commercial power supply 22 and converts this into a DC voltage.
  • the power measurement unit 58 is connected to the power supply unit 54, and the power consumption of the air conditioner 130 is measured by this.
  • the measured power consumption is referred to as a measured power consumption value Pr.
  • the DC voltage output from the power supply unit 54 is supplied to each unit of the outdoor unit 30 and the indoor unit 60. In particular, the DC voltage is supplied to the motor control unit 56.
  • the motor control unit 56 includes an inverter (not shown), and supplies an AC voltage to the motor 32a of the compressor 32 and the motor 48a of the outdoor fan 48. Further, the motor control unit 56 controls the motors 32a and 48a without sensors, and thereby detects the rotation speed of the motors 32a and 48a.
  • the indoor unit 60 includes an indoor expansion valve 62, an indoor heat exchanger 64, an indoor fan 66, a motor control unit 67, and a remote control communication unit 68 that performs bidirectional communication with the remote control 90.
  • the indoor fan 66 includes a motor 66a and blows air to the indoor heat exchanger 64.
  • the motor control section 67 includes an inverter (not shown) and supplies an AC voltage to the motor 66a.
  • the motor control unit 67 controls the motor 66a without a sensor, and thereby detects the rotation speed of the motor 66a.
  • the indoor expansion valve 62 is inserted between the pipes a8 and a9, and has a function of adjusting the flow rate of the refrigerant flowing through the pipes a8 and a9 and depressurizing the refrigerant on the secondary side of the indoor expansion valve 62. are doing.
  • the indoor heat exchanger 64 is a heat exchanger that exchanges heat between the indoor air sent from the indoor fan 66 and the refrigerant, and is connected to the indoor expansion valve 62 via a pipe a8.
  • the indoor unit 60 includes an indoor heat exchanger inlet air temperature sensor 70, an indoor heat exchanger exhaust air temperature sensor 72, an indoor heat exchanger inlet humidity sensor 74, an indoor heat exchanger refrigerant liquid temperature sensor 25,
  • the indoor heat exchanger includes a refrigerant gas temperature sensor 26, an indoor radiation temperature sensor 80, a refrigerant leak sensor 82, and a carbon dioxide concentration detection sensor 84.
  • the indoor heat exchanger inlet air temperature sensor 70 detects the temperature of the air sucked by the indoor fan 66.
  • the indoor heat exchanger discharge air temperature sensor 72 detects the temperature of the air discharged from the indoor heat exchanger 64.
  • the indoor heat exchanger inlet humidity sensor 74 detects the humidity of the air sucked by the indoor fan 66. Further, the indoor heat exchanger refrigerant liquid temperature sensor 25 and the indoor heat exchanger refrigerant gas temperature sensor 26 are provided at a connection point between the indoor heat exchanger 64 and the pipes a7 and a8, and are provided for the refrigerant flowing therethrough. Detect temperature.
  • the indoor radiation temperature sensor 80 detects the radiation temperature of each part in the room, and is used, for example, as a sensor for detecting a person. Further, the refrigerant leak sensor 82 detects refrigerant leakage.
  • the pipes a5, a6, a7, a9, b7, b9, the indoor gas side connection d7, and the indoor liquid side connection d9 correspond to the refrigerant pipe 10 of the air conditioner 130 shown in FIG.
  • the carbon dioxide concentration detection sensor 84 detects the indoor carbon dioxide concentration. This is applied to applications such as operating a ventilation device (not shown) when the carbon dioxide concentration is high. Further, a remote control temperature sensor 92 is mounted on the remote control 90. This is provided for detecting room temperature.
  • the configuration of the air conditioner 130 has been described in detail above, but the other air conditioners 120, 170, and 180 have the same configuration except that the number of indoor units 60 is different. However, the configurations of the outdoor unit 30 and the indoor unit 60 may be various configurations other than those shown in FIG.
  • the outdoor unit 30 illustrated in FIG. 2 includes one compressor 32, but the outdoor unit 30 may include a plurality of compressors 32.
  • the analysis device 300 includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a HDD (Hard Disk Drive), a communication I / F (Interface), a speaker, a lamp, A general computer hardware such as a display is provided, and the HDD stores an OS (Operating System), application programs, various data, and the like.
  • the OS and the application programs are expanded in the RAM and executed by the CPU.
  • the analysis device 300 includes a data communication unit 302 (data communication unit), an operation database 304, a power estimation unit 306, an analysis unit 308 (analysis unit), and a notification unit 310.
  • the data communication unit 302 performs bidirectional data communication with a plurality of in-building management devices (110, 160, etc.) via the network 350 by way of a communication I / F as an example. That is, the building management devices (110, 160, etc.) transmit detection values and various states of various sensors in the air conditioners (120, 130, 170, 180, etc.) to be managed to the data communication unit 302.
  • the operation database 304 is built in the HDD as an example, and stores the detected values and states supplied via the data communication unit 302.
  • air conditioner parameters The parameters supplied from the control device 20 such as the air conditioner 130 to the analysis device 300 via the in-building management device 110 and the network 350 are referred to as “air conditioner parameters”.
  • air conditioner parameters those mainly relating to the outdoor unit 30 are, for example, as follows. -Model name of the outdoor unit 30-Number and operating number of the compressor 32-Rotation speed of the compressor 32 and the outdoor fan 48-Operation mode (cooling, heating, dehumidification, ventilation, etc.) -Detection results of temperature sensors 41, 42, 43, 51, 52-Detection results of pressure sensors 45, 46-Actual measured value of power consumption Pr (measurement result of power measurement unit 58)
  • those mainly relating to the indoor unit 60 are, for example, as follows. -Model name of the indoor unit 60-Orientation of the outdoor heat exchanger 36 of the indoor unit 60-Set temperature set by the remote control 90-Number N and number of operating indoor units 60-Rotation speed of indoor fan 66-Temperature sensor 25, 26, 70, 72, 80, 92 detection results, humidity sensor 74 detection results, refrigerant leakage sensor 82 detection results, carbon dioxide concentration detection sensor 84 detection results
  • parameters other than the measured power consumption value Pr are parameters that can affect the power consumption.
  • the power estimation unit 306 performs a trial calculation of the power consumption Pi, that is, the power consumption, based on all the air conditioner parameters other than the actually measured power consumption value Pr or some of the air conditioner parameters by the processing of the CPU. Calculate the value.
  • the parameter on which the power consumption trial calculation value Pi is calculated is referred to as a “parameterization parameter”, and its value is referred to as a “parameterization parameter value”.
  • the air conditioner parameters parameters that are not included as the basis for calculating the power consumption estimated value Pi and parameters that are not measured in the air conditioner 130 in the first place are referred to as “latent parameters”.
  • the parameters not measured by the air conditioner 130 include “rainfall”, “wind speed”, “wind direction”, “illuminance to the outdoor heat exchanger 36”, and “atmospheric pressure”.
  • the heat exchange efficiency of the outdoor heat exchanger 36 decreases, and the measured power consumption value Pr tends to increase.
  • the heat exchange efficiency of the outdoor heat exchanger 36 increases, and the measured power consumption Pr tends to decrease.
  • the measured power consumption Pr tends to increase.
  • the relationship between the actualization parameter value and the estimated power consumption value Pi it is conceivable to define a relational expression based on design data for each model of the air conditioner. That is, based on the relational expression, the power consumption trial calculation value Pi may be calculated from the actualization parameter value.
  • a predetermined period for example, one year
  • a relational expression for calculating the estimated power consumption value Pi may be determined based on the relationship between the parameter value and the measured power consumption value Pr during the predetermined period.
  • FIG. 3 is a diagram illustrating an example of the relationship between the estimated power consumption value Pi and the actually measured power consumption value Pr.
  • the horizontal axis in FIG. 3 is the power consumption
  • the estimated power consumption Pi shown in the figure is the estimated power consumption Pi when the manifestation parameter value is in a predetermined state.
  • the vertical axis in FIG. 3 is the frequency of occurrence.
  • the characteristic of the occurrence frequency ⁇ Pr shown in the figure indicates the measured power consumption value Pr in the above-described predetermined state, that is, the occurrence frequency on the horizontal axis.
  • the measured power consumption value Pr varies depending on the latent parameter.
  • the range of power consumption shown in FIG. 3 is a range from the minimum value Prmin to the maximum value Prmax. This range is the range of the actually measured power consumption Pr that can be taken in accordance with the estimated power consumption Pi when the target air conditioner is normal. That is, if the measured power consumption value Pr is equal to or larger than the minimum value Prmin and equal to or smaller than the maximum value Prmax, a failure or a sign of failure of the air conditioner is detected based only on the measured power consumption value Pr of the air conditioner. It is difficult. For example, in FIG. 3, when the measured power consumption value Pr of an air conditioner is the power Pra shown in the drawing, it is difficult to detect a failure or a sign of failure of the air conditioner based only on the fact. .
  • the analysis unit 308 performs, for example, the mutual relationship between the measured power consumption values Pr for a plurality of air conditioners that are located close to each other and have approximately the same estimated power consumption Pi by the processing of the CPU, for example, Analyze the state of dispersion.
  • the “neighborhood” is a range in which the latent parameter is predicted to approximate.
  • the range may be the same building (for example, the building 100 shown in FIG. 1), a range within a radius of 1 km, or a range within a radius of 100 km.
  • substantially coincide with” the estimated power consumption value Pi means that the difference between the two estimated power consumption values Pi falls within a predetermined approximate range (for example, within ⁇ 5%).
  • the manifestation parameters of the two air conditioners are substantially the same, the estimated power consumption value Pi is inevitably substantially the same.
  • the analysis unit 308 calculates a range (hereinafter, referred to as a reference range) in which the measured power consumption Pr is estimated to be normal based on the analyzed correlation, for example, the dispersion state.
  • the notification unit 310 detects a failure or failure of an air conditioner whose actual power consumption value Pr is out of a reference range by transmitting information to another communication device by a communication I / F, outputting an alarm from a speaker, or the like. Notify possible signs. For example, a failure sign result is displayed on a display or the like, or a failure sign result is transmitted to a portable information terminal of a user or a service person.
  • a hatched area is a reference area.
  • the minimum value of the reference range is called a reference range minimum value Prs
  • the maximum value of the reference range is called a reference range maximum value Pre.
  • the reference range minimum value Prs is, for example, a value at which the deviation value of the actually measured power consumption value Pr becomes “30”.
  • the reference range maximum value Pre is, for example, a value at which the deviation value of the actually measured power consumption value Pr becomes “70”. Assuming that the actually measured power consumption Pr is normally distributed, the range of deviation from 30 to 70 includes 95.4% of air conditioners.
  • the reference range minimum value Prs and the reference range maximum value Pre are as shown in FIG. 3 for a plurality of air conditioners located in the vicinity and having approximately the same estimated power consumption Pi. Then, at that time, it is assumed that the actually measured value Pr of the power consumption of a specific air conditioner, for example, the air conditioner 120 (see FIG. 1) is the power Pra in the drawing. Then, it is possible to determine that there is a high possibility that some abnormality or abnormality sign has occurred in the air conditioner 120. According to the present embodiment, in such a case, the notification unit 310 notifies the air conditioner 120 of the possibility of a failure or a sign of failure. Thus, the user or serviceman can perform inspection, maintenance, repair, and the like of the air conditioner 120, and can prevent a serious failure such that the air conditioner 120 becomes inoperable.
  • FIG. 4 is a flowchart of an analysis routine executed in the analysis device 300.
  • step S2 in FIG. 4 data communication is performed by the data communication unit 302. That is, the data communication unit 302 receives detection values and various states of various sensors in the air conditioners (120, 130, 170, 180, etc.) from a plurality of building management devices (110, 160, etc.).
  • step S4 a data accumulation process is executed by the operation database 304. That is, the operation database 304 stores the supplied detected values and states.
  • the power estimation unit 306 executes the power estimation process. That is, the power estimation unit 306 calculates the estimated power consumption value Pi of the air conditioners (120, 130, 170, 180, and the like) based on the actualization parameters of the air conditioners (120, 130, 170, 180, and the like).
  • the analysis unit 308 performs an analysis process. That is, the analysis unit 308 analyzes the mutual relationship between the measured power consumption values Pr, for example, the dispersion state, of a plurality of air conditioners that are located close to each other and have approximately the same estimated power consumption value Pi.
  • the analysis unit 308 calculates a reference range in which the measured power consumption value Pr is estimated to be normal based on the analyzed correlation, for example, the dispersion state.
  • the notifying unit 310 executes a notifying process. That is, the notifying unit 310 notifies the air conditioner whose actual measured power consumption Pr is out of the reference range, of the possibility of a failure or a sign of failure. Thereafter, the process returns to step S2, and the processes of steps S2 to S10 described above are repeated.
  • the output unit (310) determines the state of any of the air conditioners based on the correlation between a plurality of parameter values and the correlation between a plurality of measured power consumption values (Pr). Is output.
  • the parameter value and the measured power consumption value (Pr) of another air conditioner can be utilized, so that the state of the air conditioner can be grasped appropriately.
  • the output unit (310) outputs the state of any of the air conditioners based on the correlation between the plurality of estimated power consumption values (Pi) and the correlation between the plurality of measured power consumption values (Pr).
  • the estimated power consumption value (Pi) and the measured power consumption value (Pr) of another air conditioner can be utilized, so that the state of the air conditioner can be grasped more appropriately. it can.
  • the output unit (310) outputs any one of the air conditioners based on the dispersion state of the actually measured power consumption values (Pr) for the plurality of air conditioners whose estimated power consumption values (Pi) are within a predetermined approximate range. Outputs the state of the harmonic device. Thereby, the state of any one of the air conditioners can be grasped more appropriately based on the dispersion state of the measured power consumption values (Pr) of the plurality of air conditioners.
  • the meaning of “neighborhood” is the same as that described in the first embodiment.
  • the analyzing unit 308 calculates a range (hereinafter, referred to as a reference range) in which the power consumption ratio Q is estimated to be normal based on the analyzed dispersion state.
  • FIG. 5 is a diagram illustrating an example of an occurrence frequency characteristic of the power consumption ratio Q in the present embodiment.
  • the horizontal axis in FIG. 5 is the power consumption ratio Q.
  • Q 1.0
  • the measured power consumption value Pr and the estimated power consumption value Pi become equal.
  • the vertical axis in FIG. 5 is the frequency of occurrence.
  • the illustrated characteristic of the occurrence frequency ⁇ Q is similar to the characteristic of the occurrence frequency ⁇ Pr in the first embodiment (see FIG. 3).
  • the hatched area is the reference area.
  • the minimum value of the reference range is called a reference range minimum value Qrs, and the maximum value of the reference range is called a reference range maximum value Qre.
  • the reference range minimum value Qrs is, for example, a value at which the deviation value of the power consumption ratio Q becomes “30”.
  • the reference range maximum value Qre is, for example, a value at which the deviation value of the power consumption ratio Q becomes “70”.
  • the reference range minimum value Qrs and the reference range maximum value Qre are as shown in FIG. 5 for a plurality of air conditioners located in the vicinity.
  • the power consumption ratio Q of a specific air conditioner for example, the air conditioner 120 (see FIG. 1) is the power consumption ratio Qa in the figure.
  • the notification unit 310 notifies the air conditioner 120 of the possibility of a failure or a sign of failure.
  • the user or the service person can perform inspection, maintenance, repair, and the like of the air conditioner 120, and can prevent a serious failure that causes the air conditioner 120 to become inoperable. Can be prevented.
  • the output unit (310) is based on the dispersion state of the power consumption ratio (Q), which is the ratio between the measured power consumption value (Pr) and the estimated power consumption value (Pi). Then, the state of any of the air conditioners is output. Accordingly, the population for which the dispersion state is to be analyzed can be increased, and the state of any of the air conditioners can be grasped more appropriately.
  • Q the power consumption ratio
  • the present invention is not limited to the embodiments described above, and various modifications are possible.
  • the above-described embodiments are exemplarily illustrated for easy understanding of the present invention, and are not necessarily limited to those having all the configurations described above.
  • a part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of one embodiment can be added to the configuration of another embodiment.
  • a part of the configuration of each embodiment can be deleted, or another configuration can be added or replaced.
  • the control lines and information lines shown in the drawing indicate those which are considered necessary for the description, and do not necessarily indicate all the control lines and information lines necessary for the product. In fact, it may be considered that almost all components are interconnected. Possible modifications to the above embodiment are, for example, as follows.
  • the estimated power consumption value Pi is calculated based on the manifestation parameter value.
  • the estimated power consumption value Pi does not necessarily have to be calculated. That is, the measured power consumption value Pr is acquired for a plurality of air conditioners whose actualization parameter values are within a predetermined approximate range, and based on the dispersion state of the measured power consumption value Pr, whether or not there is a sign of abnormality of each air conditioner May be determined.
  • the analysis device 300 is configured as a device separate from the building management devices 110 and 160. However, the analysis device 300 may be included in the building management devices 110 and 160. . That is, the analysis device 300 may analyze only an air conditioner installed in a specific building (100 or 150).

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  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
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Abstract

L'objet de la présente invention est de fournir un dispositif de détection d'état pour des climatiseurs qui peuvent déterminer de manière appropriée l'état d'un climatiseur. À cet effet, un dispositif de détection d'état (300) pour des climatiseurs comprend : une unité de communication de données (302) qui reçoit, en provenance de chaque climatiseur parmi une pluralité de climatiseurs (120, 130, 170, 180), des valeurs de consommation d'énergie mesurées et des valeurs de paramètre permettant d'affecter la consommation d'énergie ; et une unité de sortie (310) qui délivre l'état de l'un des climatiseurs sur la base de la corrélation entre la pluralité de valeurs de paramètre et la corrélation entre la pluralité de valeurs de consommation d'énergie mesurées.
PCT/JP2018/023179 2018-06-19 2018-06-19 Dispositif de détection d'état pour climatiseurs, procédé de détection d'état pour climatiseurs et programme WO2019244225A1 (fr)

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PCT/JP2018/023179 WO2019244225A1 (fr) 2018-06-19 2018-06-19 Dispositif de détection d'état pour climatiseurs, procédé de détection d'état pour climatiseurs et programme
JP2020525106A JPWO2019244225A1 (ja) 2018-06-19 2018-06-19 空気調和機の状態検知装置、空気調和機の状態検知方法およびプログラム

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