WO2015087654A1 - Dispositif d'affichage de temps, système de climatisation équipé de celui-ci, procédé d'affichage de temps, et programme - Google Patents

Dispositif d'affichage de temps, système de climatisation équipé de celui-ci, procédé d'affichage de temps, et programme Download PDF

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Publication number
WO2015087654A1
WO2015087654A1 PCT/JP2014/079882 JP2014079882W WO2015087654A1 WO 2015087654 A1 WO2015087654 A1 WO 2015087654A1 JP 2014079882 W JP2014079882 W JP 2014079882W WO 2015087654 A1 WO2015087654 A1 WO 2015087654A1
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WO
WIPO (PCT)
Prior art keywords
time
backup operation
compressor
air
display device
Prior art date
Application number
PCT/JP2014/079882
Other languages
English (en)
Japanese (ja)
Inventor
崇 濱千代
隆博 加藤
恵介 三苫
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to EP14870149.3A priority Critical patent/EP3054232A4/fr
Publication of WO2015087654A1 publication Critical patent/WO2015087654A1/fr

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Classifications

    • 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
    • F25B49/022—Compressor control arrangements
    • 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
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers

Definitions

  • the present invention relates to a time display device, an air conditioning system including the time display device, a time display method, and a program.
  • an air-conditioning system that connects a plurality of compressors to a refrigeration cycle and supplies refrigerant to a large number of indoor units has been widely used, and even when some compressors become inoperable
  • a backup operation function is known in which operation is performed using another compressor except for the compressor that has become inoperable.
  • Patent Document 1 in a refrigeration apparatus provided with two compressors, when an individual abnormality is detected in an operating compressor when the compressor is performing low-performance operation of only one compressor, A technology is described in which a backup operation is performed in which a compressor that is in operation is stopped and a compressor that is in operation is operated.
  • the fact that the air-conditioning operation is performed in the backup operation is managed by the outdoor unit of the air conditioning system, and the maintenance person on the service provider side who introduced the air conditioning system connects the maintenance equipment to the outdoor unit. By doing so, the status of the backup operation was confirmed. In addition, the fact that the air-conditioning operation is performed in the backup operation is notified to the indoor unit, and the user of the air conditioning system can confirm that the backup operation is being performed.
  • the backup operation is a function to reduce the number of compressors to be used and to continue the operation of the air conditioning system as much as possible with only the compressors that can be operated, and the duration of the backup operation is limited. .
  • the air conditioning system is stopped, and the user cannot operate until the next maintenance.
  • it is preferable to be notified immediately there is a problem that the user cannot recognize the urgency because the air-conditioning operation is continued and the communication from the user to the maintenance staff is delayed. .
  • even if the user notices backup operation and contacts the maintenance staff it is unclear whether it has just shifted to backup operation at that time or the allowable duration of backup operation is about to expire. There was a problem that maintenance staff who received from multiple customers could not decide the priority of dealing.
  • the present invention has been made to solve the above-mentioned problem, supports time alert for maintenance to users, and is useful for determining the priority of maintenance, an air conditioning system including the time display device, And a time display method and program.
  • 1st aspect of this invention is a time display apparatus applied to an air conditioning system provided with the outdoor unit provided with the some compressor, Comprising: The detection means which detects that the said compressor is inoperable state, A time measuring means for measuring a backup operation time which is an elapsed time since the transition to a backup operation for performing an air conditioning operation using the compressor other than the compressor detected to be in an inoperable state; The backup operation remaining time calculated by subtracting the backup operation time from the allowable time during which the air-conditioning operation can be performed by the backup operation when an inoperable state of at least one of the compressors is detected and the shift to the backup operation is performed.
  • a time display device comprising display means for displaying.
  • the compressor other than the compressor in which the inoperable state is detected is detected.
  • Transition to backup operation where air conditioning operation is performed using another compressor.
  • Backup operation in the future can be performed by subtracting the backup operation time, which is the elapsed time from the transition to backup operation, from the allowable operation time of backup operation that can be air-conditioned using other compressors except for compressors that are inoperable.
  • the remaining backup operation time which is the remaining time during which air-conditioning operation can be performed, is calculated and displayed.
  • the compressor is not operated and the outdoor unit is stopped until it is maintained by the service provider, and it cannot be controlled from the user side of the air conditioning system.
  • the remaining time that can be air-conditioned by backup operation (remaining backup operation time) is presented to the user of the air conditioning system so that the allowable time for backup operation is not exceeded. It is possible to alert the user that a countermeasure (for example, maintenance by a service provider) is necessary. Further, by reporting the remaining backup operation time from the user to the service providing side, the service providing side can prioritize the service provision among the customers who have introduced the air conditioning system.
  • a remote controller associated with the indoor unit of the air conditioning system may include the display unit.
  • the user of an air conditioning system can grasp
  • the outdoor unit may include the display unit.
  • the outdoor unit can easily present the remaining backup operation time by providing the display means.
  • the display means provided in the outdoor unit is preferably, for example, a device that displays an error code that identifies an error in the operating state of the outdoor unit, or a device that displays the outside air temperature in the outdoor unit.
  • a device that displays the error code and the outside air temperature By using a device that displays the error code and the outside air temperature to display the remaining time for backup operation, the existing device can be used, and it can be handled only by changing the software.
  • the device that displays the error code and the device that displays the outside air temperature are, for example, a 7-segment display.
  • the display means of the time display device display the backup operation remaining time preferentially and display by a display method for identifying the backup operation.
  • the display method for identifying backup operation is, for example, that the display means is turned on when displaying the normal operation state, and blinked when identifying the backup operation. is there.
  • the display means of the time display device may display the backup operation time. By displaying the backup operation time, it is possible to present the duration of the backup operation and alert the user of the air conditioning system.
  • the display means of the time display device includes a plurality of lighting devices that indicate a predetermined time of the backup operation remaining time by turning on and off, and turns off the plurality of lighting devices in stages, and the backup operation remaining time. It is good also as a structure which shows. Thereby, the backup operation remaining time can be notified easily.
  • a second aspect of the present invention is an air conditioning system including any of the time display devices described above.
  • a time display method applied to an air conditioning system including an outdoor unit including a plurality of compressors, wherein the first process detects that the compressor is in an inoperable state. And a second process of measuring a backup operation time that is an elapsed time since the transition to a backup operation in which the air-conditioning operation is performed using the compressor other than the compressor that has been detected as being inoperable.
  • the backup operation remaining time calculated by subtracting the backup operation time from the allowable time during which the air-conditioning operation can be performed by the backup operation when an inoperable state of at least one of the compressors is detected and the operation shifts to the backup operation
  • a time display method having a third step of displaying.
  • 4th aspect of this invention is a time display program applied to an air conditioning system provided with the outdoor unit provided with the some compressor, Comprising: The 1st process which detects that the said compressor is an inoperable state And a second process for measuring a backup operation time that is an elapsed time since the shift to the backup operation in which the air-conditioning operation is performed using the compressor other than the compressor detected to be in an inoperable state; The backup operation remaining time calculated by subtracting the backup operation time from the allowable time during which the air-conditioning operation can be performed by the backup operation when an inoperable state of at least one of the compressors is detected and the operation shifts to the backup operation
  • This is a time display program for causing a computer to execute the third process for displaying.
  • the present invention has an effect of supporting the alerting of the maintenance to the user and being useful for determining the priority of the maintenance.
  • FIG. 1 It is a schematic block diagram of the air conditioning system which concerns on this invention. It is the figure which showed an example of the 7 segment display provided in the outdoor unit of the air conditioning system which concerns on this invention. It is the figure which showed an example of the remote control matched with the indoor unit of the air conditioning system which concerns on this invention. It is the figure which showed the operation
  • the air conditioning system 1 shown in FIG. 1 includes an outdoor unit 2 including a plurality of compressors 4a and 4b, an indoor unit 3, and a time display device 10.
  • an outdoor unit 2 including a plurality of compressors 4a and 4b, an indoor unit 3, and a time display device 10.
  • the case where there are two compressors provided in the outdoor unit 2 will be described as an example, but the number of compressors is not particularly limited.
  • the time display device 10 includes a detection unit (detection unit) 11, a time measurement unit (time measurement unit) 12, display units (display units) 13a and 13b, and a control unit 14.
  • the detection unit 11, the time measurement unit 12, the display unit 13a, and the control unit 14 are provided in the outdoor unit 2, and the display unit 13b is provided in the indoor unit 3.
  • the display unit is the display unit 13 and the compressor is the compressor 4.
  • the detection unit 11 detects a failure or the like of the compressor 4, detects that the compressor 4 is in an inoperable state, and notifies the control unit 14 that the inoperable state of the compressor 4 has been detected.
  • the time measuring unit 12 measures a backup operation time which is an elapsed time after the shift to the backup operation in which the air-conditioning operation is performed using the compressor 4 other than the compressor 4 detected to be in an inoperable state. The measurement result is output to the control unit 14.
  • the control unit 14 includes, for example, a CPU (Central Processing Unit) (not shown), a RAM (Random Access Memory), a computer-readable recording medium, and the like. A series of processing steps for realizing various functions to be described later are recorded in a recording medium or the like in the form of a program, and the CPU reads the program into a RAM or the like to execute information processing / arithmetic processing. Thus, various functions described later are realized. Specifically, the control unit 14 controls the start and stop of the operation of the outdoor unit 2 and stops the outdoor unit 2 when it is determined that the remaining backup operation time is zero.
  • a CPU Central Processing Unit
  • RAM Random Access Memory
  • the control unit 14 holds information on the allowable time during which the air-conditioning operation can be performed by the backup operation, subtracts the backup operation time from the allowable time, calculates the backup operation remaining time, and displays the calculation result on the display unit 13. Output.
  • the allowable time is, for example, about 80 hours, and the air conditioning system 1 can perform the air conditioning operation for about several days after the transition to the backup operation.
  • the control unit 14 determines whether or not the remaining backup operation time is 0, and if it is not 0, continues the backup operation, and if it is 0, outputs a control command to stop the outdoor unit 2.
  • the display unit 13 displays the remaining backup operation time when the inoperable state of at least one compressor 4 is detected and the operation shifts to the backup operation.
  • the display unit 13 may display the backup operation time measured by the time measurement unit 12.
  • the display unit 13a provided in the outdoor unit 2 is a device that displays an error code for identifying an error in the operation state of the outdoor unit 2 and an outside air temperature. For example, a 7-segment display is used.
  • FIG. 2 shows an example in which the display unit 13a provided in the outdoor unit 2 is a 7-segment display.
  • the display part 13b may be provided in the remote control matched with the indoor unit 3 of the air conditioning system 1.
  • FIG. 3 the example of a screen of the display containing the display part 13b provided in the remote control of the indoor unit 3 is shown.
  • “backup available operation time remaining XX hours” is displayed on the remote control display, and is currently in backup operation, and the remaining number of available operation times as backup operation. Is presented as XX time.
  • the user of the air conditioning system 1 can easily identify the backup operation, and if the remaining time becomes 0, the air conditioning system 1 is stopped. Since the height can be indicated, the user can be alerted.
  • the maintenance staff on the service provider side receives maintenance requests from multiple customers (users) by communicating the remaining backup operation hours. Even in this case, the priority of maintenance can be determined in consideration of the remaining time.
  • the display unit 13 displays the remaining backup operation time preferentially and displays it by a display method for identifying the backup operation. For example, the display unit 13 illuminates and displays an error code (number determined for each error) on the 7-segment display by switching a button (not shown) or the like during normal times, When the operation is shifted, even if the button is not switched (priority), the remaining number of hours of the backup operation is blinked. As described above, the display method can be emphasized and displayed by changing the display method between the normal operation and the backup operation.
  • FIGS. 1-4 the effect
  • the compressor 4a fails while the compressors 4a and 4b are operating and then the backup operation is performed only by the compressor 4b will be described as an example.
  • the present invention is not limited to this. Needless to say.
  • the compressors 4a and 4b are operating, and the air conditioning system 1 including the outdoor unit 2 and the indoor unit 3 is air-conditioned.
  • a failure of the compressor 4a is detected, and it is detected that the compressor 4a is in an inoperable state (step SA1 in FIG. 4).
  • the outdoor unit 2 continues the air-conditioning operation using only the compressor 4b other than the compressor 4a that detects the failure, and automatically performs the backup operation. It is transferred to.
  • step SA2 in FIG. 4 The elapsed time after the start of the transition to the backup operation of the compressor 4b is measured (step SA2 in FIG. 4).
  • the backup operation remains on the remote control associated with the indoor unit 3 in addition to the backup operation that can be continued in the future. Time information is presented. Further, the remaining number of hours of backup operation is displayed on the 7-segment display of the outdoor unit 2 by “flashing” which is a display method for notifying that the operation is a backup operation (step SA3 in FIG. 4). It is determined whether or not the remaining backup operation time is 0 (step SA4 in FIG. 4). If it is not 0, the backup operation is continued and the process returns to step SA2 in FIG. When the backup operation remaining time is 0, the outdoor unit 2 is stopped and the air conditioning system 1 is stopped.
  • the person in charge of maintenance maintains the outdoor unit 2 in a state where the air conditioning system 1 can be operated, and resets the counter that measures the backup operation time of the time measuring unit 12.
  • the backup operation counter can be newly started even if the outdoor operation 2 shifts to the next backup operation.
  • the counter for measuring the backup operation time of the time measuring unit 12 is described as being reset at every maintenance, but is not limited to this.
  • the counter is not reset even after the maintenance of the failed compressor 4a.
  • the integration of the counter may be continued as it is. In this way, by using the integrated value of the counter without resetting it, it is possible to set a countermeasure according to the number of times the backup operation has been performed.
  • the air conditioning system 1 including the time display device 10, the time display method, and the program according to the present embodiment, an inoperable state of at least one compressor 4 is detected. Then, the operation shifts to a backup operation in which the air-conditioning operation is performed using a compressor other than the compressor 4 that is detected to be in an inoperable state.
  • a backup operation time which is the elapsed time from the transition to the backup operation
  • the backup operation remaining time which is the remaining time that can be air-conditioned by the backup operation, is calculated and displayed.
  • the compressor 4 cannot be operated and the outdoor unit is stopped until it is maintained by the service provider, and cannot be controlled by the user of the air conditioning system 1
  • the user of the air conditioning system 1 is simply notified of the remaining time during which the air-conditioning operation can be performed by the backup operation (remaining backup operation time) so that the allowable time for the backup operation is not exceeded. Accordingly, when the remaining time is short, it is possible to alert the user that an urgent countermeasure (for example, maintenance by a service provider) is necessary. Further, by reporting the remaining backup operation time from the user to the service providing side, the service providing side can prioritize the service provision among the customers who have introduced the air conditioning system.
  • the display unit 13a provided in the outdoor unit 2 uses a 7-segment display for displaying the error code of the outdoor unit 2 or displaying the outside air temperature, and the backup operation remaining time on the 7-segment display.
  • the display unit includes a plurality of lighting devices (for example, LEDs (Light Emitting Diodes)) that indicate a predetermined time of the remaining backup operation time by turning on and off, and turns off the plurality of lighting devices in stages to perform backup. You may comprise so that driving remaining time may be shown.
  • the remaining time may be indicated by a lighting position and a lighting position.
  • the backup operation remaining time can be simply indicated by turning on and off the plurality of lighting devices.

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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)
  • Air Conditioning Control Device (AREA)

Abstract

L'objectif de la présente invention est d'aider à alerter un utilisateur de la nécessité de procéder à l'entretien, et d'aider à déterminer l'ordre de priorité des opérations d'entretien. La présente invention est équipée : d'une unité de détection (11), qui détecte qu'un compresseur (4) est dans un état d'impossibilité de fonctionnement ; d'une unité de chronométrage (12), qui compte un temps de fonctionnement de secours, qui est le temps qui s'écoule après un passage au fonctionnement de secours, un compresseur (4) différent du compresseur (4) qui a été détecté comme incapable de fonctionner étant utilisé pour le fonctionnement de climatisation ; et d'une unité d'affichage (13) qui, quand un ou plusieurs compresseurs (4) ont été détectés comme incapables de fonctionner et que le fonctionnement est passé au fonctionnement de secours, affiche un temps de fonctionnement de secours restant qui est obtenu en soustrayant le temps de fonctionnement de secours du temps laissé fonctionnement de climatisation pour être exécuté au moyen du fonctionnement de secours.
PCT/JP2014/079882 2013-12-10 2014-11-11 Dispositif d'affichage de temps, système de climatisation équipé de celui-ci, procédé d'affichage de temps, et programme WO2015087654A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14870149.3A EP3054232A4 (fr) 2013-12-10 2014-11-11 Dispositif d'affichage de temps, système de climatisation équipé de celui-ci, procédé d'affichage de temps, et programme

Applications Claiming Priority (2)

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JP2013255298A JP6305745B2 (ja) 2013-12-10 2013-12-10 時間表示装置、それを備えた空気調和システム、及び時間表示方法並びにプログラム
JP2013-255298 2013-12-10

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WO2015087654A1 true WO2015087654A1 (fr) 2015-06-18

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WO (1) WO2015087654A1 (fr)

Families Citing this family (1)

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CN110726231B (zh) * 2019-10-29 2020-10-02 珠海格力电器股份有限公司 空调的控制方法和装置

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JPH02248674A (ja) 1989-03-22 1990-10-04 Daikin Ind Ltd 冷凍装置
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JP2003083594A (ja) * 2001-09-11 2003-03-19 Sharp Corp 空気調和機及び空気調和システム
JP2003312241A (ja) * 2002-04-19 2003-11-06 Denso Corp 車両用空調装置
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JP2007064555A (ja) * 2005-08-31 2007-03-15 Sharp Corp 電気機器
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JPS5831A (ja) * 1981-06-24 1983-01-05 Mitsubishi Electric Corp 空気調和機の表示装置
JPS59217434A (ja) * 1984-04-13 1984-12-07 Matsushita Seiko Co Ltd 冷暖房機の制御装置
JPH02248674A (ja) 1989-03-22 1990-10-04 Daikin Ind Ltd 冷凍装置
JPH1137532A (ja) * 1997-07-17 1999-02-12 Mitsubishi Electric Corp 空気調和装置
JP2003083594A (ja) * 2001-09-11 2003-03-19 Sharp Corp 空気調和機及び空気調和システム
JP2003312241A (ja) * 2002-04-19 2003-11-06 Denso Corp 車両用空調装置
JP2005055116A (ja) * 2003-08-06 2005-03-03 Dainichi Co Ltd 機器の制御装置
JP2007064555A (ja) * 2005-08-31 2007-03-15 Sharp Corp 電気機器
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Title
See also references of EP3054232A4

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JP6305745B2 (ja) 2018-04-04
JP2015114022A (ja) 2015-06-22
EP3054232A4 (fr) 2016-11-02
EP3054232A1 (fr) 2016-08-10

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