WO2017005036A1 - 多联机系统的冷媒分流控制方法和装置 - Google Patents

多联机系统的冷媒分流控制方法和装置 Download PDF

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Publication number
WO2017005036A1
WO2017005036A1 PCT/CN2016/080246 CN2016080246W WO2017005036A1 WO 2017005036 A1 WO2017005036 A1 WO 2017005036A1 CN 2016080246 W CN2016080246 W CN 2016080246W WO 2017005036 A1 WO2017005036 A1 WO 2017005036A1
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WO
WIPO (PCT)
Prior art keywords
expansion valve
electronic expansion
opening degree
line system
internal machine
Prior art date
Application number
PCT/CN2016/080246
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English (en)
French (fr)
Chinese (zh)
Inventor
罗彬�
李元阳
Original Assignee
广东美的暖通设备有限公司
美的集团股份有限公司
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Application filed by 广东美的暖通设备有限公司, 美的集团股份有限公司 filed Critical 广东美的暖通设备有限公司
Priority to EP16820687.8A priority Critical patent/EP3182039B1/de
Priority to US15/326,184 priority patent/US20170198956A1/en
Publication of WO2017005036A1 publication Critical patent/WO2017005036A1/zh

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
    • 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
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23—Separators
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2509—Economiser valves
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves

Definitions

  • the invention relates to the technical field of air conditioners, and in particular to a refrigerant split control method and device for a multi-line system.
  • the two-regulated heat recovery multi-line system When the two-regulated heat recovery multi-line system is operated in the main heating mode, some of the refrigerant recooled by the heat exchanger enters the low-pressure pipe of the outdoor unit through the electronic expansion valve and the heat exchanger, and the other part enters through another electronic expansion valve. After the internal heat of the refrigeration unit absorbs heat, it finally enters the low pressure pipe of the outdoor unit.
  • the opening of the electronic expansion valve affects the refrigerant flow and exhaust superheat entering the refrigerating internal machine.
  • the flow rate of the refrigerant entering the refrigerating internal machine is lowered due to the improper opening of the electronic expansion valve, the cooling effect of the refrigerating internal machine is affected; when the superheat of the exhaust is lowered due to the improper opening of the electronic expansion valve, This can cause the compressor to slam and cause damage to the compressor.
  • an object of the present invention is to provide a refrigerant shunt control method for a multi-line system, which can ensure the cooling effect of the refrigerating internal machine in the main heating mode, and at the same time prevent the liquid blow of the compressor and ensure the safety and reliability of the compressor. Run.
  • a second object of the present invention is to provide a refrigerant split control device for a multi-line system.
  • a refrigerant shunt control method for a multi-line system according to an embodiment of the first aspect of the present invention, wherein the multi-line system includes a first heat exchanger, a second heat exchanger, a first electronic expansion valve, and a second electronic expansion valve a recooling circuit, and a shunt, the method comprising the steps of: controlling the second electronic expansion valve to close when the multi-line system enters the main heating mode; controlling the electronic expansion valve corresponding to the refrigerating internal machine Opening degree adjustment; when the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine reaches the maximum opening degree, calculating the second electronic expansion according to the total opening degree and the maximum opening degree of the electronic expansion valve corresponding to the refrigerating internal machine a target opening degree of the valve; and performing the second electronic expansion valve according to the target opening degree control.
  • the second electronic expansion valve is controlled to be closed, and the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine is controlled, and After the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine reaches the maximum opening degree, the opening degree of the second electronic expansion valve is controlled according to the total opening degree, thereby controlling the refrigerating internal machine by controlling the flow rate of the refrigerant flowing to the refrigerating internal machine
  • the cooling capacity ensures the cooling effect of the internal cooling machine.
  • the exhaust superheat degree is effectively controlled, thereby preventing the compressor from being hit and ensuring safe and reliable operation of the compressor.
  • the refrigerant shunt control method of the multi-line system according to the above embodiment of the present invention may further have the following additional technical features:
  • the total opening degree is obtained by: obtaining the exhaust superheat when the multi-line system enters the pure heating mode; according to the superheat of the exhaust according to PI (Proportional- The Integral, Proportional Integral algorithm calculates the total opening.
  • ⁇ EXV2 is a target opening degree of the second electronic expansion valve
  • the EXV2 (PI) is the total opening degree
  • the EV (cold inner) MAX is an electronic expansion valve corresponding to the refrigeration internal machine
  • the A EV (cold inside) is a valve body flow area of the electronic expansion valve corresponding to the refrigeration internal machine
  • the A EXV2 is a valve body flow area of the second electronic expansion valve.
  • a refrigerant flow control device for a multiple-line system wherein the multiple-line system includes a first heat exchanger, a second heat exchanger, a first electronic expansion valve, and a second electronic expansion valve a recooling circuit, and a shunt, the device comprising: a first control module, configured to control the second electronic expansion valve to be closed when the multi-line system enters the main heating mode; the second control module, The electronic expansion valve corresponding to the cooling internal machine is used for adjusting the opening degree; and the calculating module is configured to: when the opening degree of the electronic expansion valve corresponding to the cooling internal machine reaches the maximum opening degree, according to the total opening degree and the cooling inside Calculating a target opening degree of the second electronic expansion valve; and a third control module for controlling the second electronic expansion valve according to the target opening degree.
  • the second electronic expansion valve when the multi-line system enters the main cooling mode, the second electronic expansion valve is controlled to be closed, and the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine is controlled, and the cooling is performed.
  • the opening degree of the electronic expansion valve corresponding to the internal machine reaches the maximum opening degree, the opening degree of the second electronic expansion valve is controlled according to the total opening degree, thereby controlling the cooling of the refrigerating internal machine by controlling the flow rate of the refrigerant flowing to the refrigerating internal machine The quantity ensures the cooling effect of the internal cooling machine.
  • the exhaust superheat degree is effectively controlled, thereby preventing the compressor from being hit and ensuring the compressor is safe and reliable. Run.
  • the refrigerant shunt control apparatus of the multi-line system may further have the following additional technical features:
  • the total opening degree is obtained by: obtaining the exhaust superheat degree when the multi-line system enters the pure heating mode; and calculating according to the PI algorithm according to the exhaust superheat degree The total opening degree.
  • ⁇ EXV2 EXV2 (PI) -EV ( the cold) MAX * (A EV (the cold) / A EXV2)
  • ⁇ EXV2 is a target opening degree of the second electronic expansion valve
  • the EXV2 (PI) is the total opening degree
  • the EV (cold inner) MAX is an electronic expansion valve corresponding to the refrigeration internal machine
  • the maximum opening degree, the A EV (cold inside) is a valve body flow area of the electronic expansion valve corresponding to the refrigeration internal machine, and the A EXV2 is a valve body flow area of the second electronic expansion valve.
  • FIG. 1 is a flow chart of a refrigerant shunt control method for a multi-line system according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a multi-line system according to an embodiment of the present invention.
  • FIG. 3 is a block diagram showing the structure of a refrigerant shunt control apparatus for a multi-line system according to an embodiment of the present invention.
  • FIG. 1 is a flow chart of a refrigerant shunt control method for a multi-line system according to an embodiment of the present invention.
  • the multi-line system includes a recooling circuit composed of a first heat exchanger, a second heat exchanger, a first electronic expansion valve, and a second electronic expansion valve, and a shunt Device.
  • a refrigerant shunt control method for a multi-line system includes the following steps:
  • the exhaust superheat of the outdoor unit can be controlled by controlling the opening degree of the second electronic expansion valve, and in the main heating mode, the second electronic expansion valve and the refrigerating internal machine can be controlled.
  • the opening degree of the electronic expansion valve controls the exhaust superheat of the outdoor unit and the flow rate of the refrigerant flowing to the refrigerating machine.
  • the second electronic expansion valve can be calculated according to the refrigerant flow rate for cooling required by the refrigerating machine.
  • the opening of the electronic expansion valve corresponding to the refrigeration internal machine.
  • the electronic expansion valve corresponding to the refrigeration internal machine in the main heating mode, can also function as the second electronic expansion valve, that is, the refrigerant passing through the refrigeration internal machine meets the requirements of indoor refrigeration. Then, the refrigerant passing through the refrigerating internal machine is also overheated, so that the effect of preventing the liquid blow of the compressor can be satisfied. Therefore, in this mode, the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine can be preferentially controlled, that is, in step S101.
  • the second electronic expansion valve Before controlling the electronic expansion valve corresponding to the refrigeration internal machine to adjust the opening degree, the second electronic expansion valve can be controlled to be closed, and at this time, the superheat of the exhaust of the outdoor unit and the flow rate of the refrigerant flowing to the refrigerating internal machine can be controlled.
  • the target opening degree of the second electronic expansion valve is calculated according to the total opening degree and the maximum opening degree of the electronic expansion valve corresponding to the refrigeration internal machine.
  • the target opening degree of the second electronic expansion valve can be calculated by the following formula:
  • EXV2 is the target opening degree of the second electronic expansion valve
  • EXV2 (PI) is the total opening degree
  • EV (cold inside) MAX is the maximum opening degree of the electronic expansion valve corresponding to the refrigeration internal machine
  • a EV (cold inside) is The valve body flow area of the electronic expansion valve corresponding to the refrigeration internal machine
  • a EXV2 is the valve body flow area of the second electronic expansion valve.
  • the total opening can be obtained by calculation in the pure heating mode.
  • the second electronic expansion valve controls the exhaust superheat, the exhaust temperature, and the return superheat of the outdoor unit to ensure the reliability of the compressor and prevent the compressor from hitting.
  • the exhaust superheat degree is acquired, and the total opening degree is calculated according to the PI algorithm according to the exhaust superheat degree.
  • the second electronic expansion valve can be controlled according to the calculated target opening degree, so that the exhaust superheat of the outdoor unit can be controlled.
  • the second electronic expansion valve is controlled to be closed, and the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine is controlled, and After the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine reaches the maximum opening degree, the opening degree of the second electronic expansion valve is controlled according to the total opening degree, thereby controlling the flow of the refrigerant flowing to the refrigerating internal machine
  • the amount of cooling to control the cooling capacity of the internal cooling machine ensures the cooling effect of the internal cooling machine.
  • the exhaust superheat degree is effectively controlled, thereby preventing the compressor from being hit and ensuring safe and reliable operation of the compressor.
  • the present invention also provides a refrigerant shunt control device for a multi-line system.
  • FIG. 3 is a block diagram showing the structure of a refrigerant shunt control apparatus for a multi-line system according to an embodiment of the present invention.
  • the multi-line system includes a recooling circuit composed of a first heat exchanger, a second heat exchanger, a first electronic expansion valve, and a second electronic expansion valve, and a shunt Device.
  • the refrigerant shunt control device of the multi-line system of the embodiment of the present invention includes: a first control module 10, a second control module 20, a calculation module 30, and a third control module 40.
  • the first control module 10 is configured to control the second electronic expansion valve to be closed when the multi-line system enters the main heating mode.
  • the second control module 20 is configured to control the electronic expansion valve corresponding to the refrigeration internal machine to perform opening degree adjustment.
  • the exhaust superheat of the outdoor unit can be controlled by controlling the opening degree of the second electronic expansion valve, and in the main heating mode, the second electronic expansion valve and the refrigerating internal machine can be controlled.
  • the opening degree of the electronic expansion valve controls the exhaust superheat of the outdoor unit and the flow rate of the refrigerant flowing to the refrigerating machine.
  • the second electronic expansion valve can be calculated according to the refrigerant flow rate for cooling required by the refrigerating machine.
  • the opening of the electronic expansion valve corresponding to the refrigeration internal machine.
  • the electronic expansion valve corresponding to the refrigeration internal machine in the main heating mode, can also function as the second electronic expansion valve, that is, the refrigerant passing through the refrigeration internal machine meets the requirements of indoor refrigeration. Then, the refrigerant passing through the refrigerating internal machine is also overheated, so that the effect of preventing the liquid hammer of the compressor can be satisfied. Therefore, in this mode, the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine can be preferentially controlled by the second control module 20.
  • the second electronic expansion valve may be controlled to be closed by the first control module 10, and the exhaust superheat of the outdoor unit can still be achieved. And control of the flow of refrigerant to the refrigeration internal machine.
  • the calculation module 30 is configured to calculate the target opening degree of the second electronic expansion valve according to the total opening degree and the maximum opening degree of the electronic expansion valve corresponding to the refrigeration internal machine when the opening degree of the electronic expansion valve corresponding to the refrigeration internal machine reaches the maximum opening degree. .
  • the calculation module 30 can calculate the target opening degree of the second electronic expansion valve by the following formula:
  • EXV2 is the target opening degree of the second electronic expansion valve
  • EXV2 (PI) is the total opening degree
  • EV (cold inside) MAX is the maximum opening degree of the electronic expansion valve corresponding to the refrigeration internal machine
  • a EV (cold inside) is The valve body flow area of the electronic expansion valve corresponding to the refrigeration internal machine
  • a EXV2 is the valve body flow area of the second electronic expansion valve.
  • the total opening can be obtained by calculation in the pure heating mode.
  • the second electronic expansion valve controls the exhaust superheat, the exhaust temperature, and the return superheat of the outdoor unit to ensure the reliability of the compressor and prevent the compressor from hitting.
  • the exhaust superheat degree is acquired, and the total opening degree is calculated according to the PI algorithm according to the exhaust superheat degree. .
  • the third control module 40 is configured to control the second electronic expansion valve according to the target opening degree.
  • the third control module 40 can control the second electronic expansion valve according to the calculated target opening degree, so that the exhaust superheat of the outdoor unit can be controlled.
  • the second electronic expansion valve when the multi-line system enters the main cooling mode, the second electronic expansion valve is controlled to be closed, and the opening degree of the electronic expansion valve corresponding to the refrigerating internal machine is controlled, and the cooling is performed.
  • the opening degree of the electronic expansion valve corresponding to the internal machine reaches the maximum opening degree, the opening degree of the second electronic expansion valve is controlled according to the total opening degree, thereby controlling the cooling of the refrigerating internal machine by controlling the flow rate of the refrigerant flowing to the refrigerating internal machine The quantity ensures the cooling effect of the refrigeration internal machine.
  • the exhaust superheat degree is effectively controlled, thereby preventing the compressor from being hit and ensuring safe and reliable operation of the compressor.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms "installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable, unless otherwise explicitly defined and defined. Unconnected, or integrated; can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
  • the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
PCT/CN2016/080246 2015-07-06 2016-04-26 多联机系统的冷媒分流控制方法和装置 WO2017005036A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16820687.8A EP3182039B1 (de) 2015-07-06 2016-04-26 Verfahren und vorrichtung zur steuerung des kältemittelflusses eines einrichtungssystems mit mehreren leitungen
US15/326,184 US20170198956A1 (en) 2015-07-06 2016-04-26 Method and device for controlling refrigerant distribution of multi-split air-conditioning system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510395506.1A CN105115199B (zh) 2015-07-06 2015-07-06 多联机系统的冷媒分流控制方法和装置
CN201510395506.1 2015-07-06

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WO2017005036A1 true WO2017005036A1 (zh) 2017-01-12

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US (1) US20170198956A1 (de)
EP (1) EP3182039B1 (de)
CN (1) CN105115199B (de)
WO (1) WO2017005036A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114838487A (zh) * 2022-05-16 2022-08-02 美的集团武汉暖通设备有限公司 多联机空调的控制方法、多联机空调以及存储介质

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105115199B (zh) * 2015-07-06 2017-10-31 广东美的暖通设备有限公司 多联机系统的冷媒分流控制方法和装置
CN105588284A (zh) * 2016-01-04 2016-05-18 广东美的暖通设备有限公司 空调系统室内机冷媒分流控制方法及装置
CN105698268B (zh) * 2016-03-23 2018-06-29 广东美的暖通设备有限公司 多联机系统及其制热节流元件的控制方法
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CN106524557B (zh) * 2016-11-07 2018-09-07 广东美的暖通设备有限公司 多联机系统及其除霜时的防回液控制方法
CN106524337B (zh) * 2016-11-21 2019-04-30 广东美的暖通设备有限公司 多联机系统及其的过冷回路阀体的控制方法
JP6468300B2 (ja) * 2017-02-13 2019-02-13 株式会社富士通ゼネラル 空気調和装置
CN106931604B (zh) * 2017-03-30 2019-07-30 四川长虹电器股份有限公司 商用多联机防冷媒堆积处理方法
CN107144054B (zh) * 2017-04-14 2019-04-16 珠海格力电器股份有限公司 电子膨胀阀的开度控制方法和装置
CN107940826B (zh) * 2017-11-10 2020-04-03 广东美的暖通设备有限公司 多联机系统及其冷媒分配控制方法和装置
CN107940827B (zh) * 2017-11-10 2020-04-10 广东美的暖通设备有限公司 多联机系统及其冷媒分配控制方法和装置
CN108518808B (zh) * 2018-06-12 2020-08-04 广东美的暖通设备有限公司 空调的控制方法、装置及具有其的空调
CN110887265B (zh) * 2019-11-25 2021-01-12 珠海格力电器股份有限公司 内循环叠加热泵系统、控制方法及热泵烘干机
CN115371302B (zh) * 2022-07-14 2024-04-19 浙江中广电器集团股份有限公司 一种热泵evi多联机制冷模式喷焓控制的控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1763451A (zh) * 2004-10-18 2006-04-26 三星电子株式会社 空气调节器和其控制方法
WO2014016865A1 (ja) * 2012-07-24 2014-01-30 三菱電機株式会社 空気調和装置
CN104748428A (zh) * 2015-03-31 2015-07-01 广东美的暖通设备有限公司 多联机系统
CN105115199A (zh) * 2015-07-06 2015-12-02 广东美的暖通设备有限公司 多联机系统的冷媒分流控制方法和装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6136671A (ja) * 1984-07-26 1986-02-21 三洋電機株式会社 冷媒流量制御装置
AU636215B2 (en) * 1990-04-23 1993-04-22 Mitsubishi Denki Kabushiki Kaisha Air conditioning apparatus
US5237833A (en) * 1991-01-10 1993-08-24 Mitsubishi Denki Kabushiki Kaisha Air-conditioning system
JP2004340568A (ja) * 2003-04-22 2004-12-02 Sanyo Electric Co Ltd マルチ型空気調和装置
CN101666559B (zh) * 2006-03-27 2012-04-04 三菱电机株式会社 冷冻空调装置
CN102272534B (zh) * 2009-01-15 2014-12-10 三菱电机株式会社 空气调节装置
JP5436575B2 (ja) * 2009-11-30 2014-03-05 三菱電機株式会社 空気調和装置
EP2557377B1 (de) * 2010-04-05 2021-06-02 Mitsubishi Electric Corporation Verbundsystem für klimatisierung und heisswasserversorgung
JP5984914B2 (ja) * 2012-03-27 2016-09-06 三菱電機株式会社 空気調和装置
EP2896911B1 (de) * 2012-09-07 2019-08-07 Mitsubishi Electric Corporation Klimaanlagenvorrichtung
CN104748429B (zh) * 2015-03-31 2017-01-18 广东美的暖通设备有限公司 多联机系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1763451A (zh) * 2004-10-18 2006-04-26 三星电子株式会社 空气调节器和其控制方法
WO2014016865A1 (ja) * 2012-07-24 2014-01-30 三菱電機株式会社 空気調和装置
CN104748428A (zh) * 2015-03-31 2015-07-01 广东美的暖通设备有限公司 多联机系统
CN105115199A (zh) * 2015-07-06 2015-12-02 广东美的暖通设备有限公司 多联机系统的冷媒分流控制方法和装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114838487A (zh) * 2022-05-16 2022-08-02 美的集团武汉暖通设备有限公司 多联机空调的控制方法、多联机空调以及存储介质

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