WO2010035424A2 - 空気調和機 - Google Patents
空気調和機 Download PDFInfo
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- WO2010035424A2 WO2010035424A2 PCT/JP2009/004598 JP2009004598W WO2010035424A2 WO 2010035424 A2 WO2010035424 A2 WO 2010035424A2 JP 2009004598 W JP2009004598 W JP 2009004598W WO 2010035424 A2 WO2010035424 A2 WO 2010035424A2
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- WIPO (PCT)
- Prior art keywords
- indoor
- upper limit
- unit
- indoor units
- capacity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
- F24F11/84—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 valves
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- 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
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- 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
- F25B49/025—Motor 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
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- 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
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- 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
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- 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
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- 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
- F25B2600/2521—On-off valves controlled by pulse signals
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- 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 a multi-type air conditioner composed of an outdoor unit and a plurality of indoor units.
- a save operation switch is provided, and when the save operation switch is turned on, the room temperature set by the user is raised by a predetermined temperature range during cooling operation and dry operation.
- a predetermined temperature range during cooling operation for example, Patent Document 1
- Patent Document 2 there is known an apparatus in which an upper limit and a lower limit of a set temperature are determined in advance so that energy-saving operation can be performed so that it cannot be set higher during heating and lower during cooling.
- Both the air conditioner equipped with the save operation switch and the air conditioner that variably sets the upper limit value and lower limit value of the set temperature range have a set temperature different from the set temperature desired by the user (displayed set temperature). Will be.
- the operation is interrupted before the room temperature is lowered to the temperature desired by the user. Further, in the heating operation, a so-called early thermo-off occurs in which the operation is interrupted before the room temperature rises to a temperature desired by the user. For this reason, an unpleasant feeling may be given to a user.
- the present invention has been made in consideration of the above circumstances, and an object of the present invention is to provide an air conditioner that can achieve an energy saving effect without changing the set temperature determined by the user and without causing discomfort to the user. Is to provide.
- an air conditioner of the present invention includes an outdoor unit having a variable capacity compressor and an outdoor heat exchanger, a plurality of indoor units having an indoor heat exchanger, and the indoor units.
- a first control means provided for informing the outdoor unit of the required capacity according to the air conditioning load; and the capacity of the variable capacity compressor is controlled according to the sum of the required capacity of the indoor units.
- Second control means that is provided in each of the indoor units, an operating means for designating a capacity suppression mode, and provided in each of the indoor units, and when the capacity suppression mode is set by the operation means, And third control means for setting an upper limit value for the required capacity corresponding to the air conditioning load.
- an air conditioner that can obtain an energy saving effect without changing the set temperature determined by the user and without causing discomfort to the user.
- the block diagram which shows the structure of each Example of this invention. 5 is a flowchart for explaining the operation of the first embodiment.
- the figure which shows the several upper limit set with respect to the required capability determination conditions of FIG. The figure which shows the relationship between the designation
- Embodiment 1 of the present invention will be described below with reference to the drawings.
- the refrigerant discharged from the compressor 1 is supplied to the outdoor heat exchanger 3 via the four-way valve 2, and the refrigerant passing through the outdoor heat exchanger 3 is the expansion valve 4, packed valves 5, 21. , And a flow control valve (PMV; pulse motor valve) 22 flows to the indoor heat exchanger 23.
- PMV pulse motor valve
- the refrigerant that has passed through the outdoor heat exchanger 3 flows to the indoor heat exchanger 33 through the expansion valve 4, the packed valves 5, 31, and the flow rate adjustment valve 32.
- the refrigerant that has passed through the indoor heat exchanger 23 is sucked into the compressor 1 through the packed valves 24 and 6 and the four-way valve 2.
- the refrigerant having passed through the indoor heat exchanger 33 is sucked into the compressor 1 through the packed valves 34 and 6 and the four-way valve 2.
- the refrigerant flow indicated by the solid arrows described above is for cooling operation and dry operation, and the outdoor heat exchanger 3 functions as a condenser and the indoor heat exchangers 23 and 33 function as an evaporator.
- the four-way valve 2 is switched, so that the refrigerant flows in the direction of the broken arrow, the indoor heat exchangers 23 and 33 function as a condenser, and the outdoor heat exchanger 3 functions as an evaporator.
- the compressor 1 has a motor 1M and uses a variable capacity compressor in which the rotational speed changes according to the frequency F of the drive voltage supplied from the inverter 7.
- An outdoor fan 8 is provided in the vicinity of the outdoor heat exchanger 3. The inverter 7 and the outdoor fan 8 are driven and controlled by the outdoor control unit 10.
- the compressor 1, the four-way valve 2, the outdoor heat exchanger 3, the expansion valve 4, the inverter 7, the outdoor fan 8, the outdoor control unit 10, the refrigerant pipe, and the like constitute an outdoor unit X.
- an indoor fan 25 and an indoor temperature sensor 26 are provided in the vicinity of the indoor heat exchanger 23.
- the indoor fan 25 is driven and controlled by the indoor control unit 27.
- the indoor temperature sensor 26 detects the indoor temperature Ta, and the detected temperature Ta is monitored by the indoor control unit 27.
- the indoor unit Y1 is comprised by the flow regulating valve 22, the indoor heat exchanger 23, the indoor fan 25, the indoor temperature sensor 26, the indoor control part 27, refrigerant
- an indoor fan 35 and an indoor temperature sensor 36 are provided in the vicinity of the indoor heat exchanger 33.
- the indoor fan 35 is driven and controlled by the indoor control unit 37.
- the indoor temperature sensor 36 detects the indoor temperature Ta, and the detected temperature Ta is monitored by the indoor control unit 37.
- the indoor unit Y2 is comprised by the flow regulating valve 32, the indoor heat exchanger 33, the indoor fan 35, the indoor temperature sensor 36, the indoor control part 37, refrigerant
- a multi-type air conditioner is configured by the outdoor unit X and the plurality of indoor units Y1, Y2, and a heat pump refrigeration cycle is mounted on the outdoor unit X and the indoor units Y1, Y2.
- Remote control units 28 and 38 are connected to the indoor control units 27 and 37 as remote control type operating devices for setting the set temperature Ts and the operation mode, respectively.
- the remote control unit 28 of the indoor unit Y1 includes a liquid crystal display unit 28a and an operation unit, and whether the save switch 28b, which is an operation means for designating the capability suppression mode, and the capability suppression mode are specified in the operation unit.
- a save lamp (light-emitting diode) 28c for informing whether or not is provided.
- the remote control unit 38 of the indoor unit Y2 includes a liquid crystal display unit 38a and an operation unit.
- the save switch 38b which is an operation means for designating the capability suppression mode, and the capability suppression mode are designated in the operation unit.
- a save lamp (light emitting diode) 38c for informing whether or not the lamp is being operated.
- the indoor control units 27 and 37 of the indoor units Y1 and Y2 are connected to the outdoor control unit 10 of the outdoor unit X.
- the indoor control units 27 and 37 have the following means (1) to (3) as main functions.
- Control means for notifying the outdoor unit X of the required capacity corresponding to the air conditioning load ⁇ T detected by the detection means as an operation frequency command (any of S0, S3, S5 to SF) ).
- control means for setting an upper limit value for the required capacity corresponding to the air conditioning load ⁇ T (first 3 control means).
- the outdoor control unit 10 has the following means (11) as a main function.
- Control means (second control means) for controlling the capacity of the compressor 1 (the output frequency F of the inverter 7) in accordance with the sum of the required capacity (operation frequency command) of the indoor units Y1 and Y2.
- the operating frequency is determined as the required capacity corresponding to the air conditioning load ⁇ T.
- a command (any of S0, S3, S5 to SF) is determined (step 102).
- the air conditioning load ⁇ T becomes the B zone of “+ 1.6 ° C.”, and the required capacity As a result, the operation frequency command SD is determined.
- the air conditioning load ⁇ T becomes the “+ 1.3 ° C.” C zone, and the operation frequency command SB is set as the required capacity. It is determined.
- the capacity suppression mode is set in the indoor unit Y1, and an upper limit value is set for the required capacity corresponding to the air conditioning load ⁇ T.
- the operating frequency command determined by the indoor units Y1 and Y2 includes the indoor unit Y1 and Y2 indoor horsepower information (also referred to as capability rank) and information indicating the state of the save switches 28b and 38b, as well as the outdoor unit. (Step 103).
- the total required capacity of the indoor units Y1 and Y2 is calculated based on the operation frequency command from the indoor units Y1 and Y2 and the indoor horsepower information (step 104). In this calculation, in detail, a correction calculation according to the inflow refrigerant temperature and the outflow refrigerant temperature of the indoor heat exchangers 23 and 33 is taken into account).
- the operating frequency (output frequency of the inverter 7) F of the compressor 1 is determined according to the calculated total required capacity, and the compressor 1 is actually driven at the operating frequency F (step 105).
- the refrigerant distribution ratio for the indoor units Y1 and Y2 is calculated, and the flow rate adjustment valves (PWM) 22 and 32 corresponding to the refrigerant distribution ratio are opened.
- the degree is calculated (step 106).
- the opening information is sent to the indoor units Y1 and Y2 (step 107).
- the opening degree of the flow rate adjusting valves 22 and 32 is controlled according to the opening degree information from the outdoor unit X (step 108).
- the compressor 1 when the capacity restriction mode is set on at least one of the indoor units Y1 and Y2, the compressor 1 is operated with a lower capacity than usual, so that an energy saving effect is obtained.
- the set temperature Ts in the indoor units Y1 and Y2 remains the value set by the user with the remote control units 28 and 38 and is not changed. Therefore, the room temperature is sufficiently high during cooling operation or dry operation. It does not cause an early thermo-off such as driving being interrupted before it drops, and does not give the user discomfort such as sultry heat.
- thermo-off such as the operation being interrupted before the room temperature rises sufficiently, and the user does not experience discomfort such as chills.
- the D zone of the required capacity determination condition is set as the upper limit value.
- the set zone is not limited and can be set as appropriate according to the indoor horsepower and the like.
- the remote control units 28 and 38 are wired is described as an example, but may be wireless.
- a plurality of, for example, four ability suppression modes can be selectively designated by the save switches 28b, 38b of the remote control units 28, 38.
- the indoor control units 27 and 37 of the indoor units Y1 and Y2 have the following means (3a) instead of the means (3) of the first embodiment.
- the upper limit value Max1 is set for the required capacity corresponding to the air conditioning load ⁇ T.
- the F zone is set as the upper limit value among the operation frequency commands of the required capacity determination condition, and all the F zone operation frequency commands S5 for the air conditioning load ⁇ T of “ ⁇ 0.5 ° C.” or more. Is determined.
- an upper limit value Max2 is set for the required capacity corresponding to the air conditioning load ⁇ T. That is, as shown in FIG. 5, the E zone is set as the upper limit value among the operation frequency commands of the required capacity determination condition, and the E frequency operation frequency command S7 is determined for all air conditioning loads ⁇ T of “0 ° C.” or more.
- an upper limit value Max3 is set for the required capacity corresponding to the air conditioning load ⁇ T. That is, as shown in FIG. 5, the D zone is set as the upper limit value in the operation frequency command of the required capacity determination condition, and the operation frequency command S9 of the D zone is all set for the air conditioning load ⁇ T of “+ 0.5 ° C.” or more. It is determined.
- an upper limit value Max4 is set for the required capacity corresponding to the air conditioning load ⁇ T. That is, as shown in FIG. 5, the C zone is set as the upper limit value in the operation frequency command of the required capacity determination condition, and the operation frequency command SB of the C zone is all set for the air conditioning load ⁇ T of “+ 1.0 ° C.” or more. It is determined.
- the total required capacity of the indoor units Y1 and Y2 is calculated based on the operating frequency command and the indoor horsepower information from the indoor units Y1 and Y2, and the operating frequency of the compressor 1 is calculated according to the calculated total required capacity. F is determined.
- a plurality of capacity suppression modes can be selectively set in the indoor units Y1 and Y2, and the capacity reduction width of the compressor 1 is variable according to each capacity suppression mode.
- the user can freely select the ability suppression width according to his / her preference.
- Other configurations, operations, and effects are the same as those of the first embodiment, and thus description thereof is omitted.
- the capacity control limit ratio can be designated by a numerical value from “0%” to “100%” by the save switches 28a and 38 of the remote control units 28 and 38.
- the indoor control units 27 and 37 of the indoor units Y1 and Y2 have the following means (3b) instead of the means (3) of the first embodiment.
- the A zone is set as the upper limit value in the operation frequency command of the required capacity determination condition, and the air conditioning load of “+ 2.0 ° C.” or more.
- the operating frequency command SF for the A zone is determined.
- the C zone is set as the upper limit value in the operation frequency command of the required capacity determination condition, and the air conditioning at “+ 1.0 ° C.” or higher.
- the operation frequency command SF for all C zones is determined.
- the F zone is set as the upper limit value in the operation frequency command of the required capacity determination condition, and the air conditioning at “ ⁇ 0.5 ° C.” or higher.
- the operating frequency command S5 for all F zones is determined.
- the total required capacity of the indoor units Y1 and Y2 is calculated based on the operating frequency command and the indoor horsepower information from the indoor units Y1 and Y2, and the operating frequency of the compressor 1 is calculated according to the calculated total required capacity. F is determined.
- the capacity suppression ratio can be freely set as a continuous numerical value.
- Other configurations, operations, and effects are the same as those of the first embodiment, and thus description thereof is omitted.
- the indoor control units 27 and 37 have the following means (4) and (5) in addition to the means (1) to (3) of the first embodiment.
- Control means (fourth control means) to perform.
- an inquiry signal is sent from the indoor control units 27 and 37 to the outdoor control unit 10 as to whether or not capability suppression can be accepted.
- a response signal of the outdoor control unit 10 to the inquiry signal it is determined in the indoor control units 27 and 37 whether or not the outdoor unit X is a model that can accept the capability suppression.
- the words “no ability suppression function” is displayed on the liquid crystal display sections 28a and 38a of the remote control units 28 and 38. The user can know from this display that the ability cannot be limited.
- the setting of the capacity restriction mode is automatically permitted or prohibited on the indoor units Y1 and Y2 side according to the type and setting of the outdoor unit X, the labor for setting the conditions for each of the indoor units Y1 and Y2 is saved. be able to.
- the current outdoor unit X is a model that cannot accept capacity control, it is possible to purchase and use an energy-saving type outdoor unit X that is planned to be lined up in the future and capable of suppressing capacity. .
- Other configurations, operations, and effects are the same as those of the first embodiment, and thus description thereof is omitted.
- the indoor control units 27 and 37 have the following means (6) and (7) in addition to the means (1) to (3) of the first embodiment.
- Control means for prohibiting setting of the upper limit value by the third control means when the valid / invalid information in the storage means indicates invalidity regardless of designation by the save switches 28b and 38b (fifth) Control means)
- the validity / invalidity information indicating that the designation by the save switches 28b and 38b is valid is stored in the internal memory of the indoor control units 27 and 37, the setting of the capacity suppression mode by the operation of the save switches 28b and 38b is performed. It becomes possible.
- the save switches 28b and 38b can be operated no matter how much.
- the ability suppression mode is not set.
- the case where there are two indoor units has been described as an example.
- the number of indoor units is not limited to two, and there may be three or more.
- the present invention is not limited to the above-described embodiments, such as a configuration in which the above-described embodiments are appropriately combined, and various modifications can be made without departing from the scope of the invention.
- the operation since the set temperature set by the user is not changed, the operation is not interrupted before the room temperature is sufficiently lowered during the cooling operation or the dry operation. In addition, during the heating operation, the operation is not interrupted while the room temperature is not sufficiently increased. Therefore, it is possible to provide an air conditioner that does not cause discomfort to the user in any case.
Abstract
Description
(1)室内温度センサ26,36の検知温度Taとユーザによりリモコンユニット28,38で定められる設定温度Tsとの差ΔTを空調負荷として検出する検出手段。
(11)室内機Y1,Y2の要求能力(運転周波数指令)の総和に応じて圧縮機1の能力(インバータ7の出力周波数F)を制御する制御手段(第2制御手段)。
冷房運転時あるいはドライ運転時、室内機Y1,Y2において、室内温度センサ26,36の検知温度Taとリモコンユニット28,38で定められた設定温度Tsとの差ΔT(=Ta-Ts)がそれぞれ空調負荷として検出される(ステップ101)。
(3a)リモコンユニット28,38のセーブスイッチ28b,38bで指定される能力制御モードに応じて、空調負荷ΔTに応じた要求能力に対し、上限値を設定する制御手段(第3制御手段)。
セーブスイッチ28bまたはセーブスイッチ38bで第1能力抑制モードが設定されると、空調負荷ΔTに応じた要求能力に対し、上限値Max1が設定される。
他の構成、作用、効果は実施例1と同じであるので、その説明は省略する。
(3b)上限値をセーブスイッチ28a,38で指定される数値“0%”~“100%”に合せて可変設定する制御手段(第3制御手段)。
図3の要求能力決定条件におけるゾーンH~Aに対し、図6に示すように数値“0%”~“100%”が割り当てられている。
他の構成、作用、効果は実施例1と同じであるので、その説明は省略する。
(4)室外機Xが能力抑制を受入れ可能か否かを判定する判定手段。
(5)上記判定手段の判定結果が肯定の場合に(3)の制御手段による上限値の設定を許容し、同判定結果が否定の場合に(3)の制御手段による上限値の設定を禁止する制御手段(第4制御手段)。
他の構成、作用、効果は実施例1と同じであるので、その説明は省略する。
(6)セーブスイッチ28b,38bによる指定を有効とするか無効とするかの有効/無効情報を、例えばパーソナルコンピュータからのロードにより、内部メモリに記憶しておく記憶手段。
(7)上記記憶手段内の有効/無効情報が無効を表している場合に、セーブスイッチ28b,38bによる指定にかかわらず、前記第3制御手段による上限値の設定を禁止する制御手段(第5制御手段)、
すなわち、セーブスイッチ28b,38bによる指定を有効とする旨の有効/無効情報が室内制御部27,37の内部メモリに記憶されていれば、セーブスイッチ28b,38bの操作による能力抑制モードの設定が可能となる。
他の構成、作用、効果は実施例1と同じであるので、その説明は省略する。
2…四方弁、
3…室外熱交換器、
4…膨張弁、
7…インバータ、
10…室外制御部、
22,32…流量調整弁、
23,33…室内熱交換器、
27,37…室内制御部、
28,38…リモコンユニット、
28a,38a…液晶表示部、
28b,38b…セーブスイッチ、
28c,38c…セーブランプ
Claims (5)
- 能力可変型の圧縮機および室外熱交換器を有する室外機と、
室内熱交換器を有する複数の室内機と、
前記各室内機に設けられ、空調負荷に応じた要求能力を前記室外機に知らせる第1制御手段と、
前記室外機に設けられ、前記各室内機の要求能力の総和に応じて前記圧縮機の能力を制御する第2制御手段と、
前記各室内機に設けられ、能力抑制モードを指定するための操作手段と、
前記各室内機に設けられ、前記操作手段で能力抑制モードが設定された場合に、前記空調負荷に応じた要求能力に対し上限値を設定する第3制御手段と、
を備えることを特徴とする空気調和機。 - 前記操作手段は、複数の能力抑制モードを選択的に指定するためのもので、
前記第3制御手段は、前記上限値として複数段の上限値を有し、これら上限値のいずれかを、前記操作手段で指定される能力抑制モードに応じて選択的に設定することができるようにした、
ことを特徴とする請求項1記載の空気調和機。 - 前記操作手段は、能力抑制の制限割合を数値により指定するためのもので、
前記第3制御手段は、前記上限値を前記操作手段で指定される数値に合せて可変設定することができるようにした、
ことを特徴とする請求項1記載の空気調和機。 - 前記各室内機に設けられ、前記室外機が能力抑制を受入れ可能か否かを判定する判定手段と、
前記各室内機に設けられ、前記判定手段の判定結果が肯定の場合に前記第3制御手段による上限値の設定を許容し、前記判定手段の判定結果が否定の場合に前記第3制御手段による上限値の設定を禁止する第4制御手段と、
をさらに備えることを特徴とする請求項1記載の空気調和機。 - 前記各室内機に設けられ、前記操作手段による指定を有効とするか無効とするかの有効/無効情報を記憶する記憶手段と、
前記各室内機に設けられ、前記記憶手段内の有効/無効情報が無効を表している場合に、前記操作手段による指定にかかわらず、前記第3制御手段による上限値の設定を禁止する第5制御手段、
をさらに備えることを特徴とする請求項1乃至請求項4のいずれかに記載の空気調和機。
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BRPI0919271-9A BRPI0919271B1 (pt) | 2008-09-24 | 2009-09-15 | condicionador de ar |
CN2009801402057A CN102177402B (zh) | 2008-09-24 | 2009-09-15 | 空调机 |
US13/120,841 US9010137B2 (en) | 2008-09-24 | 2009-09-15 | Air conditioner |
RU2011116233/12A RU2471126C1 (ru) | 2008-09-24 | 2009-09-15 | Воздушный кондиционер |
EP09815846.2A EP2354693B1 (en) | 2008-09-24 | 2009-09-15 | Air conditioner |
KR1020117009247A KR101317980B1 (ko) | 2008-09-24 | 2009-09-15 | 공기조화기 |
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US (1) | US9010137B2 (ja) |
EP (1) | EP2354693B1 (ja) |
JP (1) | JP2010078191A (ja) |
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CN (1) | CN102177402B (ja) |
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US20110257793A1 (en) | 2011-10-20 |
BRPI0919271A2 (pt) | 2020-05-26 |
EP2354693A4 (en) | 2014-07-23 |
KR20110073542A (ko) | 2011-06-29 |
EP2354693A2 (en) | 2011-08-10 |
EP2354693B1 (en) | 2018-10-17 |
US9010137B2 (en) | 2015-04-21 |
JP2010078191A (ja) | 2010-04-08 |
CN102177402A (zh) | 2011-09-07 |
WO2010035424A3 (ja) | 2010-06-10 |
RU2471126C1 (ru) | 2012-12-27 |
TR201815986T4 (tr) | 2018-11-21 |
CN102177402B (zh) | 2013-07-17 |
BRPI0919271B1 (pt) | 2021-01-26 |
KR101317980B1 (ko) | 2013-10-14 |
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