WO2004109192A1 - 複数台の室外ユニットを備えた空気調和機 - Google Patents
複数台の室外ユニットを備えた空気調和機 Download PDFInfo
- Publication number
- WO2004109192A1 WO2004109192A1 PCT/JP2004/007987 JP2004007987W WO2004109192A1 WO 2004109192 A1 WO2004109192 A1 WO 2004109192A1 JP 2004007987 W JP2004007987 W JP 2004007987W WO 2004109192 A1 WO2004109192 A1 WO 2004109192A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- capacity
- unit
- variable
- compressors
- compressor
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
-
- 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
- F24F1/08—Compressors specially adapted for separate outdoor units
-
- 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
- F24F1/60—Arrangement or mounting of the outdoor unit
- F24F1/68—Arrangement of multiple separate outdoor 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
-
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
- F25B2400/0751—Details of compressors or related parts with parallel compressors the compressors having different capacities
-
- 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
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- 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
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the present invention relates to an air conditioner including a plurality of outdoor units, each having a variable capacity compressor.
- An air conditioner which includes one outdoor unit having a variable capacity as a master unit and a plurality of outdoor units having a fixed capacity as slave units (for example, there are known air conditioners).
- the master unit has one variable capacity compressor whose rotation speed (capacity) changes by driving the inverter. It operates at a constant rotation speed (capacity) driven by commercial power. It has a constant capacity compressor.
- Each of the above slave units has a capacity compressor of 2 m or more. The capacity of the variable capacity compressor is controlled according to the required capacity from the indoor side, and the operation of each capacity compressor is controlled on and off.
- Variable capacity compressors with variable speeds are more likely to fail than constant capacity compressors with constant speed. If the variable-capacity compressor breaks down, it becomes difficult to perform variable-capacity operation in a weekly manner according to the required capacity from the indoor side.
- each of the above-mentioned variable capacity compressors has its own maximum capacity, and each capacity variable compressor is operated with the maximum capacity as an upper limit.
- Each variable-capacity compressor has a life span, and the life span decreases as the number of times of operation at the maximum capacity increases. Disclosure of the invention
- An object of the present invention is to provide an air conditioner capable of extending the life of each variable capacity compressor as much as possible and improving the operation efficiency.
- the air conditioner of the present invention is the air conditioner of the present invention.
- One parent outdoor unit with at least one variable capacity compressor
- a plurality of child outdoor units having at least one variable capacity compressor
- a first detection unit for detecting a total of required capacity of each of the indoor units
- a second detection unit for detecting the sum of the maximum capacities of the variable capacity compressors
- a calculating unit that calculates a ratio of a total required capacity detected by the first detecting unit to a total maximum capacity detected by the second detecting unit;
- a determining unit that determines whether the ratio calculated by the calculating unit is equal to or less than a set value
- the high efficiency operation A setting unit that sets a normal operation mode when the determination result of the determination unit is negative;
- a first control unit that operates the variable capacity compressor with a capacity lower than the maximum capacity by a predetermined value as an upper limit capacity when the high efficiency operation mode is set;
- FIG. 1 is a diagram showing a configuration of an embodiment.
- FIG. 2 is a flow chart for explaining the operation of one embodiment.
- Figure 3 is a flow chart following Figure 2.
- FIG. 4 is a diagram showing a change in capacity of each compressor in one embodiment.
- one parent outdoor unit 1a and multiple child outdoor units 1b and 1c are connected to each other via a gas side pipe 3 and a liquid side pipe 4. They are connected in parallel. Further, a plurality of indoor units 2 a,... 2 n are connected to the gas side pipe 3 and the liquid side pipe 4. These connections constitute a refrigeration cycle.
- Master outdoor unit 1 a is, the rotational speed Ri by the Lee Npata drive (capacity It has two variable capacity compressors 1 1 and 1 2 whose power varies. At least one variable capacity compressor, or at least one constant capacity compressor that operates at a constant speed (constant capacity) driven by commercial power supply Machine.
- the child room unit 1b has two variable capacity compressors 13 and 14, and the child room unit lc also has two variable capacity compressors 15 and 16. I have.
- the maximum capacity F (i) of the variable capacity compressors 11, 12, 13, 14, 15, 16 is 5 horsepower each. Therefore, the maximum capacity of the unit 1a outside the parent room is 10 hp, and the maximum capacity of the units 1b and 1c outside the room is 10 hp, respectively.
- the total maximum capacity F (a) of the outdoor unit 1a, lb, 1c is 30 horsepower.
- the operation priority of the outdoor units l a, 1 b, and l c is set in advance in the order of “l a> l b> l c”. Accordingly, the capacity variable compressors 11, 12, 13, 14, 15, and 16 of the outdoor units la, 1 b, and lc have “11> 1 2 ⁇ 13> 14
- the operation priorities are set in advance in the order of> 15> 16 ".
- An outdoor controller 20 is provided in the parent outdoor unit 1a, and an outdoor controller 21 is provided in each of the child outdoor units 1b and 1c.
- Each indoor unit 2a,... 2n is provided with an indoor controller 30.
- the outdoor controllers 20 and 21 and the indoor controller 30 are connected to each other by signal lines, and the outdoor controller 20 controls the entire air conditioner as a whole. Is done.
- the outdoor controller 20 has the following sections [1] to [9] as main functions.
- a first determination unit that determines whether or not all of the compressors in the child outdoor units l b and l c are variable capacity compressors.
- a second determination unit that determines whether the ratio calculated by the calculation unit is equal to or less than a set value Q (for example, 80%).
- a setting section that sets the high-efficiency operation mode when the determination result of the second determination section is positive, and sets the normal operation mode when the determination result of the second determination section is negative.
- variable capacity compressors are set in order according to the priority described above, with the capacity lower than their maximum capacity (5 horsepower) by a predetermined value (for example, 80% of the maximum capacity).
- a predetermined value for example, 80% of the maximum capacity.
- each variable capacity compressor is operated at its maximum capacity (5 hp) and sequentially according to the above priority, and the total operating capacity of the variable capacity compressor in operation
- F (a) becomes excessive with respect to the total required capacity n detected by the first detection unit
- each of the variable capacity compressors is not newly operated, and the unit outside the parent room is added by the excess amount.
- Variable capacity in 1a The second control unit reduces the operating capacity of the compressors 11 and 12.
- the outdoor unit la, lb, and lc compressors are set to their maximum capacity or constant capacity.
- the compressors are sequentially operated according to the priorities described above, and when the total operating capacity F (a) of the operating compressor becomes excessive with respect to the total required capacity n detected by the first detection unit, A third control unit for reducing the operating capacity of the compressors 11 and 12 in the parent outdoor unit 1a by the excess amount without newly operating the compressor.
- step S1 From the outdoor unit 1b, 1c to the outdoor unit 1a, the number of compressors in the outdoor units lb, lc, the type of each compressor (variable capacity compressor / constant capacity compressor), Data such as the capacity (maximum capacity or rated capacity) of each compressor is collected (step S1).
- Step S2 Based on the transmission of data from the child unit 1b, 1c to the parent unit 1a, the indoor units 2a, ... 2n have the required capacity.
- a total (also called air conditioning load) n is detected (step S2).
- step S6 If the calculated ratio is equal to or smaller than the set value Q (YES in step S6), the high-efficiency operation mode is set (step S7). If the calculated ratio is larger than the set ratio Q (NO in step S6), the normal operation mode is set (step S8). In the high-efficiency operation mode, the variable capacity compressors 11, 12, 13, 14, 14, 15, and 16 are sequentially reduced by a predetermined value (80% of the maximum capacity) below their respective maximum capacity. (Step S 9). Then, the total operating capacity F (0) of the variable capacity compressor during operation is determined (step S10), and the total operating capacity F (0) is detected in step S2. It is determined whether or not the total required capacity n is excessive (step S11).
- variable capacity compressors 11, 12, 13, 14, 15 and 16 have their capacity lower than their respective maximum capacity by a predetermined value (the maximum capacity of 80%). %) As the upper limit.
- variable capacity compressors 11, 12, 13, 14, 15, and 16 are sequentially operated at their maximum capacities (step S 14). Then, the total operating capacity F (0) of the variable capacity compressor during operation is determined (step S15), and the total operating capacity F (0) is calculated as the total required capacity detected in step S2. It is determined whether the force n is excessive or not (step S16).
- step S3 If the determination result of step S3 is negative (N0 of step S3), the variable capacity compressors 11, 12, 12, 13, 14, 15, and 16 have their maximum capacities.
- the operation is sequentially performed with the constant capacity (step S17). Then, the total operating capacity F (0) of the variable capacity compressor during operation is determined (step S18), and the total operating capacity F (0) is calculated as the total detected in step S2. It is determined whether or not the required capacity n is excessive (step S19). If the total operation capacity F (0) becomes excessive with respect to the total required capacity n detected in step S2 (YES in step S19), the new operation of each capacity variable compressor is stopped.
- variable capacity compressors 11, 12, 13, 14, 15, and 16 are operated with the lower capacity than their respective maximum capacity as the upper limit capacity
- the chance of each capacity variable compressor being operated at the maximum capacity is reduced. Therefore, the life of each of the variable capacity compressors 11, 12, 13, 14, 15, and 16 can be extended as much as possible.
- the variable capacity compressors 11, 12, 13, 14, 15, and 16 are operated at lower capacities than their respective maximum capacities. The operating efficiency of the variable capacity compressors 11, 12, 13, 14, 15, 16 is improved.
- variable capacity compressors 11 and 12 When the total operating capacity F (0) of the variable capacity compressor becomes excessive with respect to the total required capacity n, the operating capacity of the variable capacity compressors 11 and 12 is reduced by the excess. Therefore, the operation time at the maximum capacity of the variable capacity compressors 11 and 12 is further shortened, and the life of the variable capacity compressors 11 and 12 is further extended.
- variable-capacity operation is borne by the variable-capacity compressors 11, 1 and 12 of the master unit 1a, and the variable-capacity compressors 13, 14, 15, and 16 of the sub-units 1b and 1c are variable. Since the variable capacity operation is not burdened, the hunting and acceleration / deceleration of the variable capacity compressors 13, 14, 15, 15 and 16 of the child outdoor units lb and lc are reduced. Therefore, the life of the variable capacity compressors 13, 14, 15, and 16 is further improved. Industrial applicability
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES04735805.6T ES2649262T3 (es) | 2003-06-03 | 2004-06-02 | Acondicionador de aire equipado con una pluralidad de unidades exteriores |
EP04735805.6A EP1630484B1 (en) | 2003-06-03 | 2004-06-02 | Air conditioner equipped with a plurality of outdoor units |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003158391A JP4316933B2 (ja) | 2003-06-03 | 2003-06-03 | 空気調和機 |
JP2003-158391 | 2003-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004109192A1 true WO2004109192A1 (ja) | 2004-12-16 |
Family
ID=33508430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/007987 WO2004109192A1 (ja) | 2003-06-03 | 2004-06-02 | 複数台の室外ユニットを備えた空気調和機 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1630484B1 (ja) |
JP (1) | JP4316933B2 (ja) |
KR (1) | KR100790203B1 (ja) |
CN (1) | CN100394118C (ja) |
ES (1) | ES2649262T3 (ja) |
WO (1) | WO2004109192A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103375846A (zh) * | 2012-04-27 | 2013-10-30 | 苏州惠林节能材料有限公司 | 多拖一空调控制系统 |
CN103900206A (zh) * | 2014-03-25 | 2014-07-02 | 四川长虹电器股份有限公司 | 一种信息传输方法及空调 |
EP1985939B1 (en) * | 2006-02-17 | 2018-01-24 | Daikin Industries, Ltd. | Air conditioner |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100635854B1 (ko) | 2005-09-27 | 2006-10-19 | 삼성전자주식회사 | 멀티형 공기조화기 |
KR101253231B1 (ko) * | 2005-10-21 | 2013-04-16 | 삼성전자주식회사 | 멀티형 공기조화기의 제어방법 |
KR20090048978A (ko) * | 2007-11-12 | 2009-05-15 | 삼성전자주식회사 | 멀티형 공기조화기 및 그 제어방법 |
KR101564727B1 (ko) * | 2007-12-21 | 2015-10-30 | 엘지전자 주식회사 | 공기조화기 |
JP5233470B2 (ja) * | 2008-07-23 | 2013-07-10 | ダイキン工業株式会社 | 群管理装置および群管理システム |
CN103307698B (zh) * | 2012-03-16 | 2016-12-14 | 珠海格力电器股份有限公司 | 空调系统及其控制方法和装置 |
CN102748815B (zh) * | 2012-07-28 | 2016-06-01 | Tcl空调器(中山)有限公司 | 一种空调器及其控制方法 |
CN103512154A (zh) * | 2013-08-19 | 2014-01-15 | 南京天加空调设备有限公司 | 一种模块式多联机控制方法 |
EP3156747B1 (en) * | 2014-06-10 | 2019-08-14 | Toshiba Carrier Corporation | Heat source machine and heat source device |
CN104833047B (zh) * | 2015-04-22 | 2017-11-24 | 四川长虹电器股份有限公司 | 一种控制方法及温度调节系统 |
CN104864633B (zh) * | 2015-06-05 | 2017-11-14 | 珠海格力电器股份有限公司 | 空调系统的均油控制方法 |
CN106352637A (zh) * | 2016-11-28 | 2017-01-25 | 重庆美的通用制冷设备有限公司 | 空调器及其控制方法和控制装置 |
CN107490151A (zh) * | 2017-09-06 | 2017-12-19 | 重庆美的通用制冷设备有限公司 | 冷热水机组、空调系统及其能调控制方法 |
WO2019087400A1 (ja) * | 2017-11-06 | 2019-05-09 | ダイキン工業株式会社 | 空気調和装置 |
CN109237708A (zh) * | 2018-08-28 | 2019-01-18 | 青岛海尔空调电子有限公司 | 用于空调机组的控制方法 |
CN109855192B (zh) * | 2019-03-06 | 2021-05-25 | 杭州享福多智能科技有限公司 | 一种外机分级调控的空调 |
CN113203231B (zh) * | 2021-05-07 | 2023-01-03 | 广州市华德工业有限公司 | 机组的能量调节方法、装置和机组 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543622A2 (en) | 1991-11-18 | 1993-05-26 | Sanyo Electric Co., Limited. | Air conditioner and control apparatus therefor |
JP3291362B2 (ja) | 1993-07-02 | 2002-06-10 | 三洋電機株式会社 | 空気調和装置 |
JP2003156262A (ja) * | 2002-09-24 | 2003-05-30 | Sanyo Electric Co Ltd | 冷凍機の制御装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3163121B2 (ja) * | 1991-06-28 | 2001-05-08 | 東芝キヤリア株式会社 | 空気調和機 |
TW212224B (ja) * | 1992-02-28 | 1993-09-01 | Sanyo Denki Kk | |
CN1095976C (zh) * | 1994-02-28 | 2002-12-11 | 达金工业株式会社 | 致冷设备 |
JPH07305915A (ja) * | 1994-05-12 | 1995-11-21 | Sanyo Electric Co Ltd | 空気調和装置 |
US5832733A (en) * | 1996-02-23 | 1998-11-10 | Sanyo Electric Co., Ltd | Power controllable type air conditioner |
JP4489890B2 (ja) * | 2000-01-21 | 2010-06-23 | 東芝キヤリア株式会社 | マルチ形空気調和機 |
-
2003
- 2003-06-03 JP JP2003158391A patent/JP4316933B2/ja not_active Expired - Lifetime
-
2004
- 2004-06-02 KR KR1020057022880A patent/KR100790203B1/ko active IP Right Grant
- 2004-06-02 CN CNB2004800152117A patent/CN100394118C/zh active Active
- 2004-06-02 WO PCT/JP2004/007987 patent/WO2004109192A1/ja active Application Filing
- 2004-06-02 ES ES04735805.6T patent/ES2649262T3/es active Active
- 2004-06-02 EP EP04735805.6A patent/EP1630484B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0543622A2 (en) | 1991-11-18 | 1993-05-26 | Sanyo Electric Co., Limited. | Air conditioner and control apparatus therefor |
JP3291362B2 (ja) | 1993-07-02 | 2002-06-10 | 三洋電機株式会社 | 空気調和装置 |
JP2003156262A (ja) * | 2002-09-24 | 2003-05-30 | Sanyo Electric Co Ltd | 冷凍機の制御装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1985939B1 (en) * | 2006-02-17 | 2018-01-24 | Daikin Industries, Ltd. | Air conditioner |
CN103375846A (zh) * | 2012-04-27 | 2013-10-30 | 苏州惠林节能材料有限公司 | 多拖一空调控制系统 |
CN103900206A (zh) * | 2014-03-25 | 2014-07-02 | 四川长虹电器股份有限公司 | 一种信息传输方法及空调 |
Also Published As
Publication number | Publication date |
---|---|
JP4316933B2 (ja) | 2009-08-19 |
EP1630484B1 (en) | 2017-08-30 |
ES2649262T3 (es) | 2018-01-11 |
EP1630484A4 (en) | 2008-07-02 |
CN1798942A (zh) | 2006-07-05 |
EP1630484A1 (en) | 2006-03-01 |
CN100394118C (zh) | 2008-06-11 |
KR100790203B1 (ko) | 2008-01-02 |
JP2004360966A (ja) | 2004-12-24 |
KR20060030856A (ko) | 2006-04-11 |
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