EP2137466B1 - Rohrabtastverfahren für eine klimaanlage - Google Patents

Rohrabtastverfahren für eine klimaanlage Download PDF

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Publication number
EP2137466B1
EP2137466B1 EP07833593.2A EP07833593A EP2137466B1 EP 2137466 B1 EP2137466 B1 EP 2137466B1 EP 07833593 A EP07833593 A EP 07833593A EP 2137466 B1 EP2137466 B1 EP 2137466B1
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EP
European Patent Office
Prior art keywords
indoor unit
probing
indoor
pipe
dispensers
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP07833593.2A
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English (en)
French (fr)
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EP2137466A4 (de
EP2137466A1 (de
Inventor
Ki-Baik Kwon
Il-Nahm Hwang
Jin-Ha Choi
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LG Electronics Inc
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LG Electronics Inc
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Publication date
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Publication of EP2137466A4 publication Critical patent/EP2137466A4/de
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Publication of EP2137466B1 publication Critical patent/EP2137466B1/de
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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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
    • 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
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/32—Details or features not otherwise provided for preventing human errors during the installation, use or maintenance, e.g. goofy proof
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units

Definitions

  • the present disclosure relates to a method for probing pipes of an air conditioner.
  • an air conditioner heats and cools an indoor space by circulating a refrigerant.
  • the air conditioner is classified into a single type air conditioner and a multi type air conditioner in accordance with the number of indoor units connected to each other.
  • the single-type air conditioner has one outdoor unit and one indoor unit connected to the outdoor unit.
  • the multi-type air conditioner has a plurality of indoor units connected to an outdoor unit.
  • the multi-type air conditioner includes a dispenser for dispensing the refrigerant to the plurality of indoor units.
  • a dispenser for dispensing the refrigerant to the plurality of indoor units.
  • a plurality of dispensers may be provided.
  • each of the dispensers has a plurality of valves and a pipe is connected to each of the valves.
  • the indoor unit is connected to each pipe.
  • the multi type air conditioner is classified into a switched air conditioner and a synchronous air conditioner in accordance with a refrigerant flow method.
  • the switched air conditioner the indoor unit is switched from a cooling mode operation to a heating mode operation or vice versa.
  • the synchronous air conditioner some of the indoor units operate with the heating mode and others operate with the cooling mode.
  • test run After the air conditioner is installed on a building, a test run is performed before performing a normal operation. In the test run, a pipe probing run for probing pipes connected to respective indoor units is performed. By performing the pipe probing run, it becomes possible to individually control the indoor units.
  • a pipe probing method of a multi-type air conditioner of a related art has following problems.
  • the multi-type air conditioner performs the pipe probing for the indoor units one by one by controlling valves that are arranged on one pipe. Therefore, when there are many interconnected indoor units, the probing time increases significantly. Furthermore, after the pipe probing is completed for one indoor unit, the refrigerant cycle should be stopped for a predetermined time so that a temperature of the indoor unit that is probed can be almost same as that of other indoor units. Therefore, the overall pipe probing time further increases. This causes the increase of the overall test run time of the air conditioner.
  • JP 8 221 0739 A relates to a motor-operated expansion valve control device for an air-conditioner comprising indoor piping temperatures sensors which detect a piping temperature and are arranged to a respective piping of indoor units, an electronic control unit to compute and process signals from the indoor piping temperature sensor and an expansion valve control means to receive a signal from the electronic control unit.
  • JP 3 236 553 relates to a multi control part when a check signal is received, an outdoor air temperature is detected, and when an outdoor air temperature exceeds a set value, a cooling operation mode command and a given frequency operation command are transmitted to an outdoor control part.
  • JP 7 129 838 A relates to a temperature sensor which is arranged near an inlet port of a refrigerant heat exchanger of each of indoor devices
  • Embodiments provide a method for probing pipes of an air conditioner, which can reduce a time for probing the pipes connected to respective indoor units.
  • a pipe probing method for an air conditioner includes: probing indoor unit groups, to which respective dispensers are connected, by operating the indoor unit groups connected to the respective dispensers one by one and detecting the indoor unit group that is operating; and probing pipes of the dispensers, to which respective the indoor units are connected, by operating the indoor units of each indoor unit group one by one and detecting the indoor units that are operating.
  • a temperature variation of the indoor units may be detected.
  • a pressure variation of the indoor units may be detected.
  • the indoor units may operate with a heating or cooling mode.
  • the indoor unit group that is operating may operate with an opposite mode for a predetermined time.
  • the indoor units that are operating may operate with an opposite mode for a predetermined time.
  • a pipe probing method for an air conditioner includes:
  • the pipe probing method may further include operating all of the indoor unit groups between the probing of the indoor unit groups and the probing of the indoor units.
  • a temperature variation of the indoor units may be detected.
  • a pressure variation of the indoor units may be detected.
  • the stopped indoor unit group may operate again.
  • the stopped indoor unit group may operate with a same mode as other indoor unit groups.
  • a pipe probing method includes: probing indoor unit groups connected to respective dispenser; and pipe-probing indoor units of each indoor unit group one by one.
  • the pipe probing time can be significantly reduced. Especially, the more the number of the indoor units interconnected, the higher the pipe probing time reducing effect.
  • Fig. 1 is a block diagram illustrating a pipe probing method for an air conditioner according to a first embodiment of the present invention.
  • an air conditioner includes one or more outdoor units each having one or more compressors (not shown) and one or more outdoor heat exchangers (not shown).
  • a control unit (not shown) is provided in the outdoor unit 10.
  • a plurality of dispensers 20 and 30 are connected to the outdoor unit 10 by pipes.
  • the pipes may include high pressure pipes along witch a compressed refrigerant flows and low pressure pipes along which an expanded refrigerant flows.
  • the pipes may include high pressure pipes along which a compressed refrigerant flows, liquid pipes along which a condensed refrigerant flows, and low pressure pipes along which an expanded refrigerant flows.
  • a plurality of valves 21, 22, and 23 are arranged on each of the dispensers 20 and 30. Pipes are connected to the respective valves 21, 22, 23, 31, 32, and 33.
  • the structure of the pipes and valves may vary in accordance with whether the air conditioner is a switched or synchronous air conditioner. Therefore, the valves and pipes for introducing and discharging the refrigerant into and from the indoor units 51, 52, 53, 61, 62, and 63 are schematically illustrated in Fig. 1 .
  • Indoor unit groups 50 and 60 are connected to the respective dispensers 20 and 30.
  • Each of the indoor unit groups 50 and 60 includes the plurality of indoor units 51, 52, and 53 (61, 62, and 63).
  • Detecting units 51a, 52a, 53a, 61a, 62a, and 63a are provided on the respective indoor units 51, 52, 53, 61, 62, and 63.
  • the detecting units 51a, 52a, 53a, 61a, 62a, and 63a may be temperature sensors or pressure sensors. The following with describe a case where the detecting units 51a, 52a, 53a, 61a, 62a, and 63a are the temperature sensors.
  • valves 21, 22, 23, 31, 32, and 33 of the dispensers 20 and 30, and the temperature sensors 51a, 52a, 53a, 61a, 62a, and 63a are connected to the control unit through a wire or wireless comnunication.
  • the pipes extend from the respective dispensers 20 and 30 and the indoor units 51, 52, 53, 61, 62, and 63 are connected to the respective pipes. Therefore, a pipe probing process for probing the pipes connected to the respective indoor units is performed before the air conditioner operates normally.
  • Information on the valves 21, 22, 23, 31, 32, and 33 arranged on the dispensers 20 and 30 is transmitted to and stored in the control unit by the communication. That is, the control unit stores information on valves to which the dispensers 20 and 30 are connected. The control unit closes all of the valves 21, 22, 23, 31, 32, and 33 arranged on the dispensers 20 and 30.
  • a group probing process for probing indoor unit groups to which the dispensers are connected is performed.
  • an individual probing process for simultaneously probing pipes of the dispensers, to which the indoor units in each of the groups 50 and 60 are connected, one by one is performed.
  • Fig. 1 is a block diagram illustrating a pipe probing method for an air conditioner according to a first embodiment of the present invention.
  • valves 21, 22, and 23 of the first dispenser 20 are opened to supply the refrigerant only to the first indoor unit group 50 connected to the first dispenser 20. At this point, the valves of other dispensers except for the first dispenser 20 are closed.
  • the first indoor unit group 50 connected to the first dispenser 20 may operate with a cooling or heating mode.
  • the temperature sensors 51a, 52a, and 53a arranged in the first indoor unit group 50 transmit information on a temperature variation of the first indoor unit group 50 to the control unit by the comnunication.
  • the control unit stores on the information on an indoor unit group to which the first dispenser 20 is connected. As described above, the first indoor unit group 50 connected to the first dispenser 20 is probed.
  • the first indoor unit group 50 that is pipe-probed operates for a predetermined time with an opposite mode to that when the pipe-probing is being performed so that a temperature of the first indoor unit group 50 becomes identical to that of the indoor unit group 60 that is not pipe-probed. That is, if the first indoor unit group 50 operated with the heating mode during the pipe-probing, the first indoor unit group 50 operates with the cooling mode after the pipe-probing is finished.
  • the first indoor unit group 50 may have a predetermined gage period for which the temperature of the first indoor unit group 50 becomes similar to those of other indoor unit groups that are not pipe-probed.
  • the pressure sensors are provided as the detecting units of the indoor unit groups 50 and 60 and all of the valves 21, 22, and 23 arranged in the first dispenser 20 are opened, the refrigerant is introduced into the first indoor unit group 50.
  • the pressure sensors detect a pressure variation and transmit the information on the pressure variation to the control unit by the comnunication.
  • a dispenser to which the first indoor unit group 50 is connected can be probed.
  • Fig. 2 is a block diagram illustrating a process for probing indoor unit groups connected to respective dispensers in the pipe probing method of Fig. 1 .
  • valves 31, 32, and 33 of the second dispenser 30 are opened by the control unit to supply the refrigerant only to the second indoor unit group 60 connected to the second dispenser 30. At this point, the valves of other dispensers except for the second dispenser 30 are closed.
  • the second indoor unit group 60 connected to the second dispenser 30 may operate with a cooling or heating mode.
  • the temperature sensors 61a, 62a, and 63a arranged in the second indoor unit group 60 transmit information on a temperature variation of the second indoor unit group 60 to the control unit by the comnunication.
  • the control unit stores on the information on an indoor unit group to which the second dispenser 30 is connected.
  • the second indoor unit group 60 connected to the second dispenser 30 is probed.
  • the second indoor unit group 60 that is pipe-probed operates for a predetermined time with an opposite mode to that when the pipe-probing is being performed so that a temperature of the second indoor unit group 60 becomes similar to those of other indoor unit groups. That is, if the second indoor unit group 60 operated with the heating mode during the pipe-probing, the second indoor unit group 60 operates with the cooling mode after the pipe-probing is finished.
  • the second indoor unit group 60 may have a predetermined gage period for which the temperature of the second indoor unit group 60 becomes similar to that of the indoor unit group 60 that is not pipe-probed.
  • the pressure sensors are provided as the detecting units of the indoor unit groups 50 and 60 and all of the valves 31, 32, and 33 arranged in the second dispenser 30 are opened, the refrigerant is introduced into the second indoor unit group 60.
  • the pressure sensors detect a pressure variation and transmit the information on the pressure variation to the control unit by the communication.
  • a dispenser to which the second indoor unit group 50 is connected can be probed.
  • the pipe probing is performed by the number of the dispensers 20 and 30. Therefore, indoor groups to which the dispensers 20 and 30 are connected can be probed. Further, the control unit stores information on indoor groups to which the dispensers 20 and 30 are connected.
  • Figs. 3 and 4 are block diagrams illustrating a process for individually probing indoor units connected to respective dispensers in the pipe probing method of Fig. 1 .
  • the indoor units 51, 52, and 53 (61, 62, and 63) of each of the indoor unit groups 50 and 60 are sequentially operated one by one.
  • valves 21, 22, and 23 (31, 32, and 33) arranged in each of the dispensers 20 and 30, only the valve 21 (31) is opened so that the refrigerant is supplied only to the first indoor unit 51 (61) of each of the indoor unit groups 50 and 60.
  • the first indoor unit 51, 61 of the indoor unit group 50, 60 operates with the heating or cooling mode.
  • the temperature sensor 51a, 61a arranged in the first indoor unit 51, 61 of the indoor unit group 50, 60 transmits information on a temperature variation to the control unit.
  • the control unit probes pipes of the dispensers 20 and 30, to which the first indoor units 51 and 61 of the indoor unit groups 50 and 60 are connected.
  • the pressure sensors are arranged in the indoor unit groups 50 and 60 and the valves 21 and 31 disposed in the dispensers 20 and 30 are opened, the refrigerant is introduced into the first indoor units 51 and 61 of the indoor unit groups 50 and 60.
  • the pressure sensors detect a pressure variation and transmit the information on the pressure variation to the control unit.
  • the control unit stores the information on pipes of the dispensers 20 and 30, to which the first indoor units 51 and 61 are connected.
  • the first indoor units 51 and 61 of the indoor unit groups 50 and 60 which are pipe-probed, operate for a predetermined time with an opposite mode to that when the pipe-probing is being performed so that temperatures of the first indoor units 51 and 61 of the indoor unit groups 50 and 60 become similar to those of other indoor units that are not pipe-probed.
  • the first indoor units 51 and 61 may have a predetermined gage period for which the temperatures of the first indoor units 51 and 61 become similar to those of other indoor units that are not pipe-probed.
  • valves 21, 22, and 23 (31, 32, and 33) arranged in each of the dispensers 20 and 30, only the valve 22 (32) is opened so that the refrigerant is supplied only to the second indoor unit 52 (62) of each of the indoor unit groups 50 and 60.
  • the second indoor unit 52, 62 of the indoor unit group 50, 60 operates with the heating or cooling mode.
  • the temperature sensor 52a, 62a arranged in the second indoor unit 52, 62 of the indoor unit group 50, 60 transmits information on a temperature variation to the control unit.
  • the control unit probes pipes of the dispensers 20 and 30, to which the second indoor units 51 and 61 of the indoor unit groups 50 and 60 are connected.
  • the pressure sensors are arranged in the indoor unit groups 50 and 60 and the valves 21 and 31 disposed in the dispensers 20 and 30 are opened, the refrigerant is introduced into the second indoor units 52 and 62 of the indoor unit groups 50 and 60.
  • the pressure sensors detect a pressure variation and transmit the information on the pressure variation to the control unit.
  • the control unit stores the information on pipes of the dispensers 20 and 30, to which the second indoor units 52 and 62 are connected.
  • the second indoor units 52 and 62 of the indoor unit groups 50 and 60 which are pipe-probed, operate for a predetermined time with an opposite mode to that when the pipe-probing is being performed so that temperatures of the second indoor units 52 and 62 of the indoor unit groups 50 and 60 become similar to those of other indoor units that are not pipe-probed.
  • the second indoor units 52 and 62 may have a predetermined gage period for which the temperatures of the first indoor units 51 and 61 become similar to those of other indoor units that are not pipe-probed.
  • the indoor unit groups 50 and 60 that are respectively connected to the dispensers 20 and 30 are sequentially pipe-probed, after which the indoor units 51, 52, and 53 (61, 62, and 63) of each of the indoor unit groups 50 and 60) are simultaneously pipe-probed one by one by the number of the dispensers 20 and 30. Therefore, the pipe probing time can be significantly reduced as compared with the related art where all of the pipes are probed one by one without being grouped. Especially, the more the number of the indoor units interconnected, the higher the pipe probing time reducing effect.
  • the pipe probing method of the second embodiment is substantially identical to that of the first embodiment from the point that the individual probing process is performed after the group probing process is performed.
  • a feature of the second embodiment is that the pipe probing is performed while sequentially stopping the indoor groups 50 and 60 one by one in the individual probing process.
  • Fig. 5 is a block diagram illustrating a pipe probing method for an air conditioner according to a second embodiment of the present invention
  • Fig. 6 is a block diagram illustrating a process for probing indoor unit groups connected to respective dispensers in the pipe probing method of Fig. 5 .
  • the indoor unit groups 50 and 60 are sequentially stopped one by one. At this point, the valves 21, 22, and 23 of the first dispenser 20 are closed while the valves 31, 32, and 33 of the second dispenser 30 are opened.
  • the temperature sensors 51a, 52a, and 53a disposed in the first indoor unit group 50 transmit information on the temperature variation of the first indoor unit group 50. Then, the control unit stores the information on an indoor group to which the first dispenser 20 is connected. As described above, it is probed that the first indoor unit group 50 is connected to the first dispenser 20.
  • the first indoor unit group 50 that is pipe-probed operates for a predetermined time with a same mode as that of other indoor unit groups that are not pipe-probed so that a temperature of the first indoor unit group 50 becomes identical to that of the indoor unit group 60 that is not pipe-probed. That is, if the first indoor unit group 50 operated with the heating mode during the pipe-probing, the first indoor unit group 50 operates with the cooling mode after the pipe-probing is finished.
  • the pressure sensor of the first indoor unit group 50 detects a pressure variation and transmits the information on the pressure variation to the control unit by the comnunication. As described above, by detecting the pressure variation, a dispenser to which the first indoor unit group 50 is connected can be probed.
  • valves 31, 32, and 33 disposed in the second dispenser 30 are closed so that the refrigerant cannot be introduced into the second indoor unit group 60 while the valves 21, 22, and 23 disposed in the dispenser 20 are opened.
  • the temperature sensors 61a, 62a, and 63a disposed in the second indoor unit group 60 transmit information on the temperature variation of the second indoor unit group 60.
  • the second indoor unit group 60 that is pipe-probed operates for a predetermined time with a same mode as that of other indoor unit groups that are not pipe-probed so that a temperature of the second indoor unit group 60 becomes similar to that of the indoor unit group 60 that is not pipe-probed. That is, if the second indoor unit group 60 operated with the heating mode during the pipe-probing, the second indoor unit group 60 operates with the cooling mode after the pipe-probing is finished.
  • the pressure sensor of the second indoor unit group 60 detects a pressure variation and transmits the information on the pressure variation to the control unit by the communication.
  • the pipe probing is performed by the number of the dispensers 20 and 30. Therefore, indoor groups to which the dispensers 20 and 30 are connected can be probed. Further, the control unit stores information on indoor groups to which the dispensers 20 and 30 are connected.
  • Figs. 7 and 8 are block diagrams illustrating a process for individually probing indoor units connected to respective dispensers in the pipe probing method of Fig. 5 .
  • the indoor units 51, 52, and 53 (61, 62, and 63) of each of the indoor unit groups 50 and 60 are sequentially stopped or operated one by one.
  • the pipe probing process that is performed while sequentially operating the indoor units of each of the indoor unit groups 50 and 60 is already described with reference to Figs. 3 and 4 . Therefore, the following will describe a pipe probing process that is performed while sequentially stopping the indoor units of each of the indoor unit groups 50 and 60.
  • valve 21 (31) is closed so that the refrigerant is not supplied to the first indoor unit 51 (61) of each of the indoor unit groups 50 and 60.
  • the first indoor unit 51, 61 of the indoor unit group 50, 60 operates with the heating or cooling mode.
  • the temperature sensor 51a, 61a arranged in the first indoor unit 51, 61 of the indoor unit group 50, 60 transmits information on a temperature variation to the control unit.
  • the control unit probes pipes of the dispensers 20 and 30, to which the first indoor units 51 and 61 of the indoor unit groups 50 and 60 are connected.
  • the pressure sensors are arranged in the indoor unit groups 50 and 60 and the valves 21 and 31 disposed in the dispensers 20 and 30 are opened, the refrigerant is introduced into the first indoor units 51 and 61 of the indoor unit groups 50 and 60.
  • the pressure sensors detect a pressure variation and transmit the information on the pressure variation to the control unit.
  • the control unit stores the information on pipes of the dispensers 20 and 30, to which the first indoor units 51 and 61 are connected.
  • the first indoor units 51 and 61 of the indoor unit groups 50 and 60 which are pipe-probed, operate for a predetermined time with a same mode as that when the pipe-probing is being performed so that temperatures of the first indoor units 51 and 61 of the indoor unit groups 50 and 60 become similar to those of other indoor units that are not pipe-probed.
  • valve 22 (32) is closed so that the refrigerant is not supplied to the second indoor unit 52 (62) of each of the indoor unit groups 50 and 60.
  • the second indoor unit 52, 62 of the indoor unit group 50, 60 operates with the heating or cooling mode.
  • the temperature sensor 52a, 62a arranged in the second indoor unit 52, 62 of the indoor unit group 50, 60 transmits information on a temperature variation to the control unit.
  • the control unit probes pipes of the dispensers 20 and 30, to which the second indoor units 51 and 61 of the indoor unit groups 50 and 60 are connected.
  • the pressure sensors disposed in the second indoor units 52 and 62 of the indoor unit groups 50 and 60 detect a pressure variation and transmit the information on the pressure variation to the control unit.
  • the control unit stores the information on pipes of the dispensers 20 and 30, to which the second indoor units 52 and 62 are connected.
  • the second indoor units 52 and 62 of the indoor unit groups 50 and 60 which are pipe-probed, operate for a predetermined time with a same mode as that when the pipe-probing is being performed so that temperatures of the second indoor units 52 and 62 of the indoor unit groups 50 and 60 become similar to those of other indoor units that are not pipe-probed.
  • the indoor unit groups 50 and 60 that are respectively connected to the dispensers 20 and 30 are sequentially pipe-probed, after which the indoor units 51, 52, and 53 (61, 62, and 63) of each of the indoor unit groups 50 and 60) are simultaneously pipe-probed one by one by the number of the dispensers 20 and 30. Therefore, the pipe probing time can be significantly reduced as compared with the related art where all of the pipes are probed one by one without being grouped. Especially, the more the number of the indoor units interconnected, the higher the pipe probing time reducing effect.
  • the present invention can reduce the pipe probing time taken for probing pipes to which the indoor units are connected.
  • the industrial applicability is very high.

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

Claims (12)

  1. Rohruntersuchungsverfahren für eine Klimaanlage, wobei die Klimaanlage mehrere Verteiler (20, 30) und mehrere Inneneinheitsgruppen (50, 60), die mit jedem der Verteiler (20, 30) verbunden sind, umfasst, das aufweist:
    Untersuchen der Inneneinheitsgruppen (50, 60), mit denen jeweilige Verteiler (20, 30) verbunden sind, indem die Inneneinheitsgruppen (50, 60), die mit den jeweiligen Verteilern (20, 30) verbunden sind, eine nach der anderen betrieben werden und die Inneneinheitsgruppe (50, 60) erfasst wird, die arbeitet, wobei die Inneneinheitsgruppen (50, 60) jeweils mehrere Inneneinheiten (51, 52, 53, 61, 62, 63) umfassen und mehrere Ventile (21, 22, 23, 31, 32, 33) auf jedem der Verteiler (20, 30) eingerichtet sind, um ein Kältemittel in die Inneneinheiten (51, 52, 53, 61, 62, 63) und aus ihnen strömen zu lassen; und
    Untersuchen von Rohren der Verteiler (20, 30), mit denen die jeweiligen Inneneinheiten (51, 52, 53, 61, 62, 63) verbunden sind, indem die Inneneinheiten (51, 52, 53, 61, 62, 63) jeder Inneneinheitsgruppe (50, 60) eine nach der anderen betrieben werden und die Inneneinheiten (51, 52, 53, 61, 62, 63) erfasst werden, die arbeiten,
    dadurch gekennzeichnet, dass
    erste Ventile (21, 22, 23, 31, 32, 33) eines Verteilers (20, 30) geöffnet werden, um eine erste Inneneinheitsgruppe (50, 60) zu betreiben, und zweite Ventile (21, 22, 23, 31, 32, 33) der anderen Verteiler (20, 30) geschlossen werden, um die anderen Inneneinheiten (51, 52, 53, 61, 62, 63) nicht zu betreiben, wenn Inneneinheitsgruppen (50, 60) untersucht werden, und
    wobei ein Ventil (21, 22, 23, 31, 32, 33) der ersten Ventile (21, 22, 23, 31, 32, 33) geöffnet wird, um eine Inneneinheit (51, 52, 53, 61, 62, 63) der ersten Inneneinheitsgruppe (50, 60) zu betreiben, und die anderen Ventile (21, 22, 23, 31, 32, 33) der ersten Ventile (21, 22, 23, 31, 32, 33) geschlossen werden, um die anderen Inneneinheiten (51, 52, 53, 61, 62, 63) der ersten Inneneinheitsgruppe (50, 60) nicht zu betreiben, wenn Rohre der Verteiler (20, 30) abgetastet werden.
  2. Rohruntersuchungsverfahren nach Anspruch 1, wobei beim Untersuchenen der Inneneinheitsgruppen (50, 60) und/oder Untersuchenen der Rohre eine Temperaturänderung der Inneneinheiten (51, 52, 53, 61, 62, 63) erfasst wird.
  3. Rohruntersuchungsverfahren nach Anspruch 1, wobei beim Untersuchen der Inneneinheitsgruppen (50, 60) und/oder Untersuchen der Rohre eine Druckänderung der Inneneinheiten (51, 52, 53, 61, 62, 63) erfasst wird.
  4. Rohruntersuchungsverfahren nach Anspruch 1, wobei beim Untersuchen der Inneneinheitsgruppen (50, 60) und/oder Untersuchen der Rohre die Inneneinheiten (51, 52, 53, 61, 62, 63) in einer Heiz-oder Kühlbetriebsart arbeiten.
  5. Rohruntersuchungsverfahren nach Anspruch 4, wobei, nachdem das Untersuchen der Inneneinheitsgruppen (50, 60) beendet ist, die Inneneinheitsgruppe (50, 60), die arbeitet, eine vorgegebene Zeit lang in einer umgekehrten Betriebsart arbeitet.
  6. Rohruntersuchungsverfahren nach Anspruch 4, wobei, nachdem das Untersuchen der Inneneinheitsgruppen (50, 60) beendet ist, die Inneneinheiten (51, 52, 53, 61, 62, 63), die arbeiten, eine vorgegebene Zeit lang in einer umgekehrten Betriebsart arbeiten.
  7. Rohruntersuchungsverfahren für eine Klimaanlage, wobei die Klimaanlage mehrere Verteiler (20, 30) und mehrere Inneneinheitsgruppen (50, 60), die mit jedem der Verteiler (20, 30) verbunden sind, umfasst, das aufweist:
    Betreiben aller Inneneinheitsgruppen (50, 60), indem alle Ventile (21, 22, 23, 31, 32, 33), die auf den Verteilern (20, 30) angeordnet sind, geöffnet werden;
    Untersuchen der Inneneinheitsgruppen (50, 60), mit denen jeweilige Verteiler (20, 30) verbunden sind, indem die Inneneinheitsgruppen (50, 60), die mit den jeweiligen Verteilern (20, 30) verbunden sind, eine nach der anderen gestoppt werden und die Inneneinheitsgruppe (50, 60) erfasst wird, die gestoppt ist, wobei die Inneneinheitsgruppen (50, 60) jeweils mehrere Inneneinheiten (51, 52, 53, 61, 62, 63) umfassen und mehrere Ventile (21, 22, 23, 31, 32, 33) auf jedem der Verteiler (20, 30) eingerichtet sind, um ein Kältemittel in die Inneneinheiten (51, 52, 53, 61, 62, 63) und aus ihnen strömen zu lassen; und
    Untersuchen von Rohren der Verteiler (20, 30), mit denen die jeweiligen Inneneinheiten (51, 52, 53, 61, 62, 63) verbunden sind, indem die Inneneinheiten (51, 52, 53, 61, 62, 63) jeder Inneneinheitsgruppe (50, 60) eine nach der der anderen gestoppt werden und die Inneneinheiten (51, 52, 53, 61, 62, 63) erfasst werden, die gestoppt sind,
    dadurch gekennzeichnet, dass
    erste Ventile (21, 22, 23, 31, 32, 33) eines Verteilers (20, 30) geschlossen werden, um eine erste Inneneinheitsgruppe (50, 60) nicht zu betreiben, und zweite Ventile (21, 22, 23, 31, 32, 33) der anderen Verteiler (20, 30) geöffnet werden, um die anderen Inneneinheiten (51, 52, 53, 61, 62, 63) zu betreiben, wenn Inneneinheitsgruppen (50, 60) abgetastet werden, und
    wobei ein Ventil (21, 22, 23, 31, 32, 33) der ersten Ventile (21, 22, 23, 31, 32, 33) geschlossen wird, um eine Inneneinheit (51, 52, 53, 61, 62, 63) der ersten Inneneinheitsgruppe (50, 60) nicht zu betreiben, und die anderen Ventile (21, 22, 23, 31, 32, 33) der ersten Ventile (21, 22, 23, 31, 32, 33) geöffnet werden, um die anderen Inneneinheiten (51, 52, 53, 61, 62, 63) der ersten Inneneinheitsgruppe (50, 60) zu betreiben, wenn Rohre der Verteiler (20, 30) abgetastet werden.
  8. Rohruntersuchungsverfahren nach Anspruch 7, das ferner das Betreiben aller der Inneneinheitsgruppen (50, 60) zwischen dem Untersuchen der Inneneinheitsgruppen (50, 60) und dem Untersuchen der Inneneinheiten (51, 52, 53, 61, 62, 63) aufweist.
  9. Rohruntersuchungsverfahren nach Anspruch 7, wobei beim Untersuchen der Inneneinheitsgruppen (50, 60) und/oder Untersuchen der Rohre eine Temperaturänderung der Inneneinheiten (51, 52, 53, 61, 62, 63) erfasst wird.
  10. Rohruntersuchungsverfahren nach Anspruch 7, wobei beim Untersuchen der Inneneinheitsgruppen (50, 60) und/oder Untresuchen der Rohre eine Druckänderung der Inneneinheiten (51, 52, 53, 61, 62, 63) erfasst wird.
  11. Rohruntersuchungsverfahren nach Anspruch 7, wobei beim Untersuchen der Inneneinheitsgruppen (50, 60), nachdem das Untersuchen der Inneneinheitsgruppe (50, 60), die gestoppt ist, abgeschlossen ist, die gestoppte Inneneinheitsgruppe (50, 60) wieder arbeitet.
  12. Rohruntresuchungsverfahren nach Anspruch 8, wobei die gestoppte Inneneinheitsgruppe (50, 60) in einer gleichen Betriebsart wie andere Inneneinheitsgruppen (50, 60) arbeitet.
EP07833593.2A 2007-03-16 2007-10-25 Rohrabtastverfahren für eine klimaanlage Not-in-force EP2137466B1 (de)

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KR1020070026152A KR100861598B1 (ko) 2007-03-16 2007-03-16 공기조화기의 배관탐색방법
PCT/KR2007/005284 WO2008114919A1 (en) 2007-03-16 2007-10-25 Pipe probing method for air conditioner

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KR101864280B1 (ko) * 2016-01-28 2018-06-04 엘지전자 주식회사 공기조화기의 배관탐색방법
KR102582538B1 (ko) 2019-05-17 2023-09-26 엘지전자 주식회사 공기 조화 장치 및 공기 조화 장치의 배관탐색방법

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KR100861598B1 (ko) 2008-10-07
EP2137466A4 (de) 2012-01-25
ES2637162T3 (es) 2017-10-11
WO2008114919A1 (en) 2008-09-25
KR20080084433A (ko) 2008-09-19
EP2137466A1 (de) 2009-12-30

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