WO2005098325A1 - 空気調和機およびその制御方法 - Google Patents
空気調和機およびその制御方法 Download PDFInfo
- Publication number
- WO2005098325A1 WO2005098325A1 PCT/JP2005/005345 JP2005005345W WO2005098325A1 WO 2005098325 A1 WO2005098325 A1 WO 2005098325A1 JP 2005005345 W JP2005005345 W JP 2005005345W WO 2005098325 A1 WO2005098325 A1 WO 2005098325A1
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- WO
- WIPO (PCT)
- Prior art keywords
- air
- air conditioner
- heat load
- priority
- heat exchanger
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000003507 refrigerant Substances 0.000 claims abstract description 103
- 239000003463 adsorbent Substances 0.000 claims description 98
- 238000001179 sorption measurement Methods 0.000 claims description 38
- 230000008929 regeneration Effects 0.000 claims description 24
- 238000011069 regeneration method Methods 0.000 claims description 24
- 238000009833 condensation Methods 0.000 claims description 16
- 230000005494 condensation Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 238000005057 refrigeration Methods 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 108
- 230000007246 mechanism Effects 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 16
- 238000005192 partition Methods 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000009423 ventilation Methods 0.000 description 14
- 239000002274 desiccant Substances 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 6
- 230000001143 conditioned effect Effects 0.000 description 5
- 238000007791 dehumidification Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
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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
- F24F3/12—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 treatment of the air otherwise than by heating and cooling
- F24F3/14—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 treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—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 treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/48—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring prior to normal operation, e.g. pre-heating or pre-cooling
-
- 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
- F24F3/12—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 treatment of the air otherwise than by heating and cooling
- F24F3/14—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 treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1411—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 treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
- F24F3/1429—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 treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant alternatively operating a heat exchanger in an absorbing/adsorbing mode and a heat exchanger in a regeneration 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
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/20—Feedback from users
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
- F24F2203/021—Compression 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
- 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
- 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
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/26—Problems to be solved characterised by the startup of the refrigeration 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
- F25B2600/00—Control issues
- F25B2600/01—Timing
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/02—Humidity
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2104—Temperatures of an indoor room or compartment
Definitions
- Air conditioner and control method thereof Air conditioner and control method thereof
- the present invention relates to an air conditioner having a function of performing a sensible heat treatment and a function of performing a latent heat treatment, and a control method thereof.
- an air conditioner having a function of processing a sensible heat load and a latent heat load existing in an indoor space has been provided in order to keep the indoor space in a comfortable environment.
- a sensible heat treatment section for performing sensible heat treatment and a latent heat treatment section for performing latent heat treatment are separately provided.
- control is performed to change the balance between sensible heat treatment and latent heat treatment, such as by measuring the temperature and humidity in the indoor space during normal operation, to make the indoor space an efficient and comfortable environment. I have.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-69257 (published March 4, 2004)
- control is performed in consideration of the balance between sensible heat treatment and latent heat treatment during normal operation, but operation control during startup is not particularly considered. Helped. Therefore, for example, when the latent heat load in the indoor space is large at the time of start-up, efficient operation control is performed immediately after start-up.
- An object of the present invention is to provide an air conditioner capable of performing optimal control according to the indoor space environment at the time of startup and a control method thereof.
- An air conditioner is an air conditioner that processes a sensible heat load and a latent heat load in an indoor space by performing a vapor compression refrigeration cycle operation, and includes a control unit. ing.
- the control unit performs a priority control operation that prioritizes one of the sensible heat load process and the latent heat load process from the time of startup to the time when normal operation is started. Perform a rollover.
- control unit performs control such that priority is given to the processing of any one of sensible heat treatment and latent heat treatment at the time of startup.
- control is performed such that the latent heat treatment is prioritized, and an operation that prioritizes appropriate processing according to the indoor environment at the time of startup can be performed.
- priority control operation to optimize the driving characteristics according to the environment at the time of startup in the indoor space, a comfortable environment is provided to the user more efficiently than normal operation immediately after startup. This comes out.
- control unit performs control to switch to the normal operation when the priority control operation at the time of start-up is completed by a timer, for example.
- a timer for example.
- An air conditioner according to a second invention is the air conditioner according to the first invention, further comprising a detection unit that detects at least one of temperature and humidity in the indoor space.
- a detection unit that detects temperature and humidity in the indoor space is provided. For this reason, the control unit can determine whether to give priority to either the sensible heat treatment or the latent heat treatment and start the priority control operation based on the detection result of the detection unit.
- An air conditioner according to a third invention is the air conditioner according to the second invention, wherein the control unit controls at least one of temperature and humidity in the indoor space by the detection unit. Alternatively, it detects that humidity has been reached and switches from priority control operation to normal operation.
- the priority operation is continued until the temperature and Z or humidity in the indoor space reach, for example, a desired temperature and Z or humidity set by the user.
- the priority control operation is continued until the humidity in the indoor space reaches the predetermined value, and after the humidity reaches the predetermined value, the operation is switched to the normal operation. be able to.
- An air conditioner according to a fourth invention is directed to the air conditioner according to any one of the first to third inventions.
- the harmony device further includes a time limit unit in which a time for limiting the time for performing the priority control operation is set, and the control unit changes the priority control operation to the normal operation based on the time set in the time limit unit. Switch to.
- the priority control driving force also controls the switching to the normal operation according to the time set in the timer (timer). Therefore, after performing the priority control operation for a predetermined time, it is possible to switch to the normal operation.
- An air conditioner according to a fifth invention is the air conditioner according to any one of the first to fourth inventions, wherein the control unit performs a priority control operation when a manual input is performed by a user. Switch to normal operation.
- An air conditioner according to a sixth invention is the air conditioner according to the second invention, wherein the control unit controls the sensible heat load based on the detection result by the detection unit even during the priority control operation.
- the priority control operation that prioritizes the processing of the first heat is switched to the priority control operation that prioritizes the processing of the latent heat load, or the priority control operation that prioritizes the processing of the latent heat load is switched to the priority control operation that prioritizes the processing of the sensible heat load.
- the detection unit detects an increase in the sensible heat load in the indoor space, even if the priority control operation in which the latent heat treatment is prioritized, Switch to the priority control operation that gives priority to heat treatment.
- more flexible priority control operation can be performed in response to a change in the indoor environment and the like.
- An air conditioner according to a seventh invention is the air conditioner according to any one of the first to sixth inventions, wherein the control unit activates the air conditioner at startup based on the initial setting. Decide whether to give priority to either the heat load processing or the latent heat load processing to perform the priority control operation.
- the process that is performed with priority at the time of startup is determined by the initial setting. Therefore, initial settings can be made so that appropriate processing is prioritized according to the season. As a result, optimal control according to changes in the environment and the like can be performed, and the interior space can be quickly made comfortable.
- An air conditioner according to an eighth invention is the air conditioner according to any one of the first to seventh inventions, wherein the adsorbent that adsorbs moisture in the air and a refrigerant that constitutes a refrigeration cycle A heat exchanger to which a refrigerant flowing in the circuit is supplied, wherein the control unit operates the heat exchanger as a condenser to perform a regeneration operation for desorbing moisture from the adsorbent; and a heat exchanger. The operation is performed while alternately switching between the operation of functioning as a vaporizer and the operation of adsorbing moisture in the air to the adsorbent every time a predetermined batch switching time elapses.
- control unit operates while alternately switching between the regeneration operation in which the heat exchange functions as a condenser and the adsorption operation in which the heat exchange functions as an evaporator every time a predetermined batch switching time elapses. Do. This makes it possible to perform so-called batch-type control in which sensible heat load and latent heat load are processed using heat exchange.
- An air conditioner according to a ninth invention is the air conditioner according to the eighth invention, wherein the control unit normally sets the batch switching time to a priority when the processing of the sensible heat load is prioritized in the priority control operation. At least one of control of setting longer than during operation and setting the target value of the condensation temperature of the refrigerant in the refrigeration cycle higher than during normal operation is performed.
- control is performed by setting the batch switching time and the Z or the condensing temperature target value to appropriate values.
- the heat exchanger on the side that functions as an evaporator is sufficiently cooled, and the amount of water adsorbed by the adsorbent (the amount of latent heat treatment) is reduced. Since it decreases with time and the heat of adsorption on the surface of the heat exchanger decreases, the sensible heat treatment ability can be improved. Thereby, it is possible to perform an operation in which the sensible heat treatment is prioritized according to the amount of the sensible heat load included in the indoor space at the time of startup.
- the priority control operation can be performed flexibly by dividing the sensible heat processing capacity into several stages. .
- An air conditioner according to a tenth invention is the air conditioner according to the eighth invention, wherein the control unit performs batch switching when giving priority to the processing of the latent heat load in the priority control operation. At least one of the control of setting the time shorter than in the normal operation and the setting of the refrigerant condensation temperature target value in the refrigeration cycle higher than in the normal operation is performed.
- control is performed by setting appropriate values for the batch switching time and the Z or condensing temperature target value.
- the batch switching time is set to be shorter than that during the normal operation during the cooling operation, the switching between the adsorption operation and the regeneration operation is performed in a short time, so that the adsorption power of the adsorbent is always high. Can be maintained.
- priority control operation can be performed by flexibly switching the latent heat treatment capacity according to the amount of latent heat load contained in the indoor space at startup. It can be performed.
- An air conditioner according to an eleventh invention is the air conditioner according to the eighth invention, which performs processing of a sensible heat load or processing of a latent heat load on air taken in from an indoor space. Then, a circulating operation is performed in which the treated air is discharged into the indoor space, and a sensible heat load or a latent heat load is supplied to the air taken in from the outdoor to discharge the air to the outdoor.
- the operation is performed while circulating the air in the indoor space.
- the air conditioner is, for example, a desiccant humidifier that does not have a ventilation function, or an air conditioner that operates in a circulation mode without adjusting the flow path and performing ventilation. In such a case, the circulation dehumidification operation can be performed.
- An air conditioner according to a twelfth invention is the air conditioner according to the eleventh invention, wherein the control unit, when giving priority to the processing of the sensible heat load in the priority control operation, sets the batch switching time. At least one of the following controls is performed: setting a longer time than during normal operation, setting a target refrigerant condensation temperature in the refrigeration cycle higher than during normal operation, and increasing the circulation amount of air taken in from outside.
- the control unit selects the sensible heat treatment as a priority control operation at the time of startup, the batch switching time, the condensing temperature target Adjust the value and the setting of the amount of air circulated from outside. This allows priority control operation to be performed with improved sensible heat treatment capability even for a humidifier that performs circulation operation. Wear.
- An air conditioner according to a thirteenth invention is the air conditioner according to the eleventh invention, wherein the control unit sets a batch switching time when giving priority to the processing of the latent heat load in the priority control operation. At least one of control of setting shorter than during normal operation and setting the target value of the condensing temperature of the refrigerant in the refrigeration cycle higher than during normal operation is performed.
- the control unit selects priority on the latent heat treatment as the priority control operation at the time of startup, the setting of the batch switching time and the condensing temperature target value is adjusted.
- the priority control operation can be performed while improving the latent heat processing capability.
- a control method for an air conditioner according to a fourteenth invention is a method for controlling an air conditioner that processes a sensible heat load and a latent heat load in an indoor space by performing a vapor compression refrigeration cycle operation. Then, from the start-up to the start of the normal operation, the priority control operation for giving priority to one of the sensible heat load process and the latent heat load process is performed.
- control unit performs control such that one of the sensible heat treatment and the latent heat treatment is prioritized at the time of startup.
- control is performed such that the latent heat treatment is prioritized, and an operation that prioritizes appropriate processing according to the indoor environment at the time of startup can be performed. Will be possible. Therefore, by performing the priority control operation so as to optimize the operation characteristics according to the indoor environment at the time of startup, the efficiency is improved compared to the conventional operation in which the sensible heat treatment and the latent heat treatment are always processed in a predetermined balance. A comfortable environment can be provided to the user.
- FIG. 1 is a plan view showing a configuration of an air conditioner according to one embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along the line II of FIG. 1, showing the internal structure of the casing.
- FIG. 3 is a cross-sectional view taken along the line II-II of FIG. 1, showing the internal structure of the casing.
- FIG. 4 is a perspective view showing a heat exchanger included in the air conditioner of FIG. 1.
- FIG. 5 is a circuit diagram showing a refrigerant circuit provided in the air conditioner of FIG.
- FIGS. 6 (a) and (b) are circuit diagrams showing control states of a refrigerant circuit provided in the air conditioner of FIG. 1.
- FIG. 7 is a plan view showing the flow of air in the air conditioner of FIG. 1.
- FIG. 8 is a plan view showing the flow of air in the air conditioner of FIG. 1.
- FIG. 9 is a plan view showing the flow of air in the air conditioner of FIG. 1.
- FIG. 10 is a plan view showing the flow of air in the air conditioner of FIG. 1.
- FIG. 11 A block diagram showing a configuration connected to a control unit included in the air conditioner of FIG.
- FIG. 12 is a flowchart showing an example of a priority control operation in the air conditioner of FIG. 1.
- FIG. 13 is a flowchart showing another example of the priority control operation in the air conditioner of FIG. 1.
- FIG. 14 is a refrigerant circuit diagram showing a configuration of an air conditioner according to another embodiment of the present invention.
- FIG. 15 is a refrigerant circuit diagram showing a configuration of an air conditioner according to still another embodiment of the present invention. Explanation of symbols
- the air conditioner 10 of the present embodiment is a desiccant type external conditioner in which an adsorbent such as silica gel is carried on the surface of a heat exchanger, and performs cooling / dehumidifying operation or heating of air supplied to the indoor space. Perform humidification operation.
- the air conditioner 10 includes a first heat exchanger (heat exchanger) 3, a second heat exchanger (heat exchanger) 5 (see FIGS. 1 and 3, 5), thermistors 3a and 5a, and a humidity sensor. (Detector) 3b, 5b, temperature sensor (detector) 4 (see Fig. 5), blower fans 77, 79, compressor 7, casing 17, control unit 80 (see Fig. 11), etc. Circuit 1 is formed.
- the first heat exchanger 3 and the second heat exchanger 5 are cross-fin type fin-and-tube heat exchangers, and are formed in a rectangular plate shape. It has a number of fins 13 made of aluminum and a copper heat transfer tube 15 penetrating the fins 13. An adsorbent for adsorbing moisture contained in the air passing through the first and second heat exchangers 5 is carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 by dip molding (immersion molding) or the like.
- the first and second heat exchangers 3 and 5 are divided into a first state in which the first heat exchanger 3 functions as a condenser and a second state of the heat exchanger 5 as an evaporator.
- a so-called batch-type control is performed in which the control unit 80, which will be described later, alternately switches between the evaporator and the second state in which the second heat exchanger 5 functions as a condenser.
- the adsorbent regenerates an operation of desorbing moisture from the adsorbent
- the second heat exchange 5 functions as an evaporator
- Adsorption operation to adsorb moisture to adsorbent is performed It is.
- the adsorption operation causes the adsorbent to adsorb moisture
- the second heat exchanger 5 functions as a condenser
- the adsorption operation occurs.
- the regeneration operation of the adsorbent for desorbing water from the agent is performed.
- the adsorption operation and the regeneration operation are alternately repeated, and the air supplied to the indoor and outdoor through each heat exchange ⁇ 3, 5
- the adsorption and release (desorption) of water by the adsorbent can be performed continuously. Therefore, various operations can be stably performed while maintaining the dehumidifying performance or the humidifying performance.
- first heat exchanger 3 and second heat exchanger 5 exchange heat between refrigerant flowing through heat exchangers 3 and 5 and air passing through heat exchange 5.
- the sensible heat load is treated by the exchange, and the latent heat treatment is performed by adsorbing moisture contained in the air passing through the heat exchangers 3 and 5 by the adsorbent carried on the surfaces of the heat exchangers 3 and 5.
- the adsorption operation and the regeneration operation are alternately performed using the two heat exchangers 3 and 5, so that the adsorption force by the adsorbent is not reduced and the stability is maintained. In this state, both the sensible heat treatment and the latent heat treatment can be performed.
- the thermistor 3a is attached to the first heat exchanger 3, and in the first state in which the first heat exchanger 3 functions as a condenser and the second state in which the first heat exchanger 3 functions as an evaporator, Measure the surface temperature (coolant temperature) of 3.
- the humidity sensor 3b measures the humidity of the air before or after passing through the first heat exchanger 3 according to the switching of the air flow path in the air flow switching mechanism 91.
- the temperature sensor 4 measures the temperature in the indoor space.
- the thermistor 5a is attached to the second heat exchanger 5, and in the first state in which the second heat exchanger 5 functions as an evaporator and the second state in which it functions as a condenser, the second heat exchanger 5 Measure the surface temperature (coolant temperature) of 5.
- the humidity sensor 5b measures the humidity of the air before or after passing through the second heat exchanger 5 according to the switching of the air channel in the air channel switching mechanism 91.
- the first fan 79 is attached corresponding to the position of the first outlet 23, and sends out the air with the internal force of the casing 17 also directed outward.
- the second fan 77 is mounted corresponding to the position of the second outlet 25, and the casing 1
- the internal force of 7 also sends air out of the air.
- the first and second fans 77 and 79 flow through the first air inlet 19, the second air inlet 21, the first air outlet 23, and the second air outlet 25, which will be described later, through the air flow in the air conditioner 10.
- the casing 17 is a box having a substantially rectangular parallelepiped shape, and houses a refrigerant circuit 1 described later.
- the left side plate 17a of the casing 17 is formed with a first suction port 19 for taking in the outdoor air OA and a second suction port 21 for taking in the room air RA as return air.
- a first outlet 23 for discharging the exhaust air EA to the outside and a second outlet 25 for supplying the conditioned air SA to the room are formed in the right side plate 17b of the casing 17.
- a partition plate 27 is provided inside the casing 17 as a partition member for partitioning the inside of the casing 17.
- the casing 17 has an air chamber 29a and an equipment chamber 29b formed by the partition plate 27.
- the partition plate 27 is provided from the front plate 17c, which is the lower end of the casing 17, to the rear plate 17d, which is the upper end, and is disposed slightly to the right of the center of the casing 17. I have. Further, the partition plate 27 is provided in the vertical direction which is the thickness direction of the casing 17, and as shown in FIGS. 2 and 3, the upper plate 17e which is the upper end of the casing 17 and the lower plate 17f which is the lower end thereof. Is provided.
- the air chamber 29a is provided with a first end face plate 33, a second end face plate 31, and a central partition plate 67 as partition members.
- the first end plate 33 and the second end plate 31 are provided from the left side plate 17a of the casing 17 to the partition plate 27, as shown in FIG.
- the first end plate 33 is disposed slightly above the center of the casing 17 as shown in FIG. 1, and the second end plate 31 is slightly below the center of the casing 17 as shown in FIG. Is located on the side.
- the first end face plate 33 and the second end face plate 31 are provided from the upper surface plate 17e to the lower surface plate 17f of the casing 17, as shown in FIGS.
- the partition plate 67 is provided from the first end plate 33 to the second end plate 31 as shown in FIG.
- the compressor 7 and the like excluding the heat exchange 3, 5 are housed, and the first fan 79 and the second fan 77 are housed. Have been.
- the casing 17 includes, in the air chamber 29a, a first heat exchange chamber 69 formed by the first end face plate 33, the second end face plate 31, the partition plate 67, and the partition plate 27, the first end face plate 33, and the second end face plate. 2 End plate 31 And a second heat exchange chamber 73 formed by the partition plate 67 and the left side plate 17a.
- the first heat exchanger 3 is arranged in the first heat exchange chamber 69
- the second heat exchanger 5 is arranged in the second heat exchange chamber 73.
- a horizontal plate 61 serving as a partition member is provided between the first end face plate 33 and the rear plate 17d.
- a first inflow channel 63 and a first outflow channel 65 are formed.
- a horizontal plate 55 as a partition member is provided between the second end face plate 31 and the front plate 17c to form a second inflow channel 57 and a second outflow channel 59.
- the horizontal plates 61 and 55 partition the internal space of the casing 17, and as shown in FIG. 2, a first inflow channel 63 is formed on the upper surface side, and a first outflow channel 65 is formed on the lower surface side.
- the second inflow path 57 is formed on the upper surface side
- the second outflow path 59 is formed on the lower surface side.
- the first inflow channel 63 and the first outflow channel 65 are formed along one end face in the thickness direction where one surface of each of the first heat exchange chamber 69 and the second heat exchange chamber 73 is continuous.
- the heat exchange chamber 69 and the second heat exchange chamber 73 are arranged so as to overlap in the thickness direction.
- the second inflow path 57 and the second outflow path 59 are formed along an opposing surface opposing one end surface at an end surface where one surface of each of the first heat exchange chamber 69 and the second heat exchange chamber 73 is continuous,
- the first heat exchange chamber 69 and the second heat exchange chamber 73 are arranged so as to overlap in the thickness direction.
- the first inflow channel 63 and the first outflow channel 65 and the second inflow channel 57 and the second outflow channel 59 are vertically symmetrically arranged as shown in FIG. 1, that is, the first heat exchange chamber 69 and the second (2) They are arranged symmetrically with respect to the center line that crosses the heat exchange room 73!
- first inflow path 63 communicates with the first suction port 19, and the first outflow path 65 communicates with the first outlet 23 via the first fan 79.
- second inflow path 57 communicates with the second suction port 21, and the second outflow path 59 communicates with the second outlet 25 via the second fan 77.
- the first end face plate 33 has four openings 33a-33d as shown in FIG. Each of the openings 33a-33d is provided with a first dambar 47, a second damno 48, a third dambar 49, and a fourth dambar 50.
- the four openings 33a-33d are arranged close to each other in the row and column direction, that is, arranged in two grids at the top, bottom, left, and right, and the first opening 33a and the third opening 33c are the first heat exchange.
- the second opening 33b and the fourth opening 33d are formed inside the chamber 69, and are formed inside the second heat exchange chamber 73.
- the first opening 33a allows the first inflow channel 63 to communicate with the first heat exchange chamber 69
- the third opening 33c allows the first outflow channel 65 to communicate with the first heat exchange chamber 69
- the second opening 33b allows the first inflow path 63 to communicate with the second heat exchange chamber 73
- the fourth opening 33d allows the first outflow path 65 to communicate with the second heat exchange chamber 73.
- the second end face plate 31 is formed with four openings 31a-31d.
- a fifth dambar 35, a sixth dambar 36, a seventh dambar 37, and an eighth dambar 38 are provided in each of the openings 31a-31d.
- the four openings 31a-31d are arranged close to each other in the matrix direction. In other words, the four openings 31a-31d are arranged in a grid shape in two at the top, bottom, left and right.
- a fifth opening 31a and a seventh opening 31c are formed inside the first heat exchange chamber 69
- a sixth opening 31b and an eighth opening 31d are formed inside the second heat exchange chamber 73. Have been.
- the fifth opening 31a allows the second inflow path 57 to communicate with the first heat exchange chamber 69
- the seventh opening 31c allows the second outflow path 59 to communicate with the first heat exchange chamber 69
- the sixth opening 31b allows the second inflow path 57 to communicate with the second heat exchange chamber 73
- the eighth opening 31d allows the second outflow path 59 to communicate with the second heat exchange chamber 73.
- the first to eighth dampers 47-50, 35-38 have opening / closing means (air flow path cut-out structure 91) for opening and closing the openings 33a-33d and the openings 31a-31d. Then, using this opening / closing means, the air flow path is changed at the time of switching between the first state and the second state.
- the air conditioner 10 of the present embodiment includes a control unit 80 shown in FIG. 11, and the control unit 80 controls the dehumidification operation and the humidification operation so as to be switchable.
- the control unit 80 includes a humidity sensor 3b, 5b, a temperature sensor 4, a storage unit 81, a timer (timed unit) 82, a manual input unit 83, an air flow switching mechanism 91, a four-way
- the humidity sensors 3b and 5b and the temperature sensor 4 connected to the switching valve 9 and the expansion valve 11 are as described above.
- the storage unit 81 stores target set values for temperature and humidity control, initial setting of operation control, an operation control program of the air conditioner 10, and the like.
- the air conditioner 10 is controlled based on the contents stored in the unit 81.
- Timer 82 is an on / off timer during normal operation and is used to limit the continuation of priority control operation. Function as a limit part.
- the manual input unit 83 receives an input from the user at the time of starting, switching of normal operation, switching of priority operation, and the like.
- the air flow path cutting mechanism 91 is switching means (not shown) provided in the first to fourth dampers 35 to 38, and switches the air flow path in accordance with an instruction from the control unit 80.
- the four-way switching valve 9 switches the flow path of the refrigerant in the refrigerant circuit 1 described later.
- the four-way switching valve 9 will be described in detail later in the description of the refrigerant circuit 1.
- the expansion valve 11 adjusts the pressure of the refrigerant in the refrigerant circuit 1 described later.
- the control unit 80 causes the first heat exchange 3 and the second heat exchange 5 to alternately function as an evaporator, and the first heat exchange 3 or the second heat exchange 3 Moisture contained in air flowing through the air conditioner 10 via the heat exchanger 5 is adsorbed by the adsorbent.
- the second heat exchange 5 or the first heat exchange 3 is made to function as a condenser, and the heat of condensation causes the inside of the air conditioner 10 to pass through the second heat exchanger 5 or the first heat exchanger 3.
- the adsorbent is regenerated by releasing the water adsorbed by the adsorbent to the flowing air.
- the control unit 80 when performing the humidifying operation, includes the air flowing through the air conditioner 10 by the heat absorbing action of the first heat exchanger 3 or the second heat exchanger 5 functioning as an evaporator.
- the absorbed water is adsorbed by the adsorbent.
- the adsorbent is regenerated by releasing the water adsorbed by the adsorbent to the air flowing through the air conditioner 10 due to the heat radiation effect of the second heat exchange 5 or the first heat exchanger 3, which functions as a condenser. I do.
- the refrigerant circulation of the refrigerant circuit 1 and the air circulation by the dampers 47-50, 35-38 are switched so that the humidified air from which moisture is released from the adsorbent is supplied to the room.
- the control unit 80 takes in outdoor air and is carried on the surface of the first heat exchanger 3 or the second heat exchanger 5 functioning as an evaporator.
- the adsorbent absorbs the moisture of the outdoor air and converts the outdoor air into dehumidified air and supplies it to the room.
- the second heat exchange that takes in indoor air and functions as a condenser
- the adsorbent carried on the surface of 5 or 1st heat exchange 3 releases moisture from the adsorbent to regenerate the adsorbent, and releases humidified air to the outside of the room.
- the control unit 80 takes in the room air and adsorbs the air carried on the surface of the first heat exchange 3 or the second heat exchange 5 functioning as an evaporator.
- the agent absorbs the moisture of room air and supplies dehumidified air to the room.
- the outdoor air is taken in, the adsorbent carried on the surface of the second heat exchanger 5 or the first heat exchanger 3 functioning as a condenser is released to release moisture, and the adsorbent is regenerated.
- the dehumidification operation is performed by discharging to the outside.
- the control unit 80 takes in the indoor air and adsorbent carried on the surface of the first heat exchanger 3 or the second heat exchanger 5 functioning as an evaporator. Absorbs the moisture contained in the air taken in and discharges the dehumidified air outside the room.
- the humidified air is taken in by taking in the outdoor air and releasing moisture from the adsorbent carried on the surface of the second heat exchange 5 or the first heat exchange 3 functioning as a condenser to release the adsorbent. Is supplied indoors.
- the control unit 80 takes in the outdoor air and adsorbs the air carried on the surface of the first heat exchange 3 or the second heat exchange 5 functioning as an evaporator. Adsorbs moisture contained in the air taken in the agent and releases dehumidified air to the outside.
- the indoor air is taken in, the adsorbent carried on the surface of the second heat exchanger 5 or the first heat exchanger 3 functioning as a condenser releases moisture to regenerate the adsorbent, and the humidified air is released. Is released indoors.
- the refrigerant circuit 1 includes a compressor 7, a four-way switching valve 9, a first heat exchanger 3, an expansion valve 11, and a second heat exchanger 5 in this order via a refrigerant pipe. It is formed as a closed circuit connected by Further, the refrigerant circuit 1 is filled with refrigerant, and the refrigerant circulates through the refrigerant circuit 1 to form a vapor compression refrigeration cycle.
- the first heat exchanger 3 has one end connected to the four-way switching valve 9 and the other end connected to one end of the second heat exchanger 5 via the expansion valve 11.
- One end of the second heat exchanger 5 is connected to the first heat exchanger 3 via the expansion valve 11, and the other The end is connected to the four-way switching valve 9.
- the four-way switching valve 9 is a refrigerant flow switching means, and as shown in FIG. 6 (a), the first port and the third port communicate with each other and at the same time, the second port and the fourth port. Switchable between a state where the port communicates and a state where the first port and the fourth port communicate with the second port and the third port at the same time as shown in FIG. 6 (b). It is.
- the switching of the four-way switching valve 9 changes the flow path of the refrigerant in the refrigerant circuit, so that the first heat exchanger 3 functions as a condenser and the second heat exchanger 5 functions as an evaporator at the same time. It is possible to switch between the state and the second state in which the first heat exchange 3 functions as an evaporator and the second heat exchange 5 functions as a condenser.
- the air conditioner 10 takes in the first air and the second air, and switches between the dehumidifying operation and the humidifying operation. Further, the air conditioner performs the dehumidifying operation and the humidifying operation continuously by alternately repeating the first state and the second state. Further, the air conditioner 10 performs a dehumidifying operation and a humidifying operation in a full ventilation mode and a dehumidifying operation and a humidifying operation in a circulation mode.
- the control contents in each operation mode will be described in detail.
- control unit 80 When performing the cooling / dehumidifying operation in the full ventilation mode in the air conditioner 10, the control unit 80 supplies the first air taken in as the outdoor air OA to the room as the conditioned air SA while the indoor air RA Each part is controlled so that the second air taken in as air is discharged outside as outdoor air EA.
- the adsorption operation is performed in the second heat exchange 5
- the regeneration (desorption) operation is performed in the first heat exchange 3. That is, in the first operation, as shown in FIGS. 6A and 7, the moisture in the outdoor air OA taken into the second heat exchanger 5 as the first air is adsorbed, and the first heat exchange 3 Adsorbent force carried on the surface The desorbed moisture is applied to the second air.
- the four-way switching valve 9 has a first port and a third port connected as shown in FIG. The state is switched to the state where the second port and the fourth port are connected.
- the first heat exchanger 3 of the refrigerant circuit 1 functions as a condenser
- the second heat exchanger 5 functions as an evaporator. That is, the high-temperature and high-pressure refrigerant discharged from the compressor 7 flows to the first heat exchanger 3 as a heating medium for heating.
- the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 is heated by the refrigerant, and water is desorbed from the adsorbent to regenerate the adsorbent.
- the refrigerant condensed in the first heat exchanger 3 is decompressed by the expansion valve 11.
- the depressurized refrigerant flows to the second heat exchanger 5 as a heat medium for cooling.
- heat of adsorption is generated when the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 adsorbs moisture.
- the refrigerant in the second heat exchanger 5 absorbs the heat of adsorption and evaporates.
- the evaporated refrigerant returns to the compressor 7, and the circulation is repeated.
- the room air RA that has flowed in as the second air from the second suction port 21 flows through the second inflow path 57, and the first heat from the fifth opening 31a. It flows into the exchange room 69.
- the desorbed moisture is released from the adsorbent of the first heat exchanger 3 and the second air is humidified.
- the humidified second air flows from the first heat exchange chamber 69 through the third opening 33c through the first outflow passage 65, passes through the first fan 79, and exits the first outlet 23 as exhaust air EA. Is discharged.
- the outdoor air OA flowing from the first suction port 19 flows through the first inflow path 63 as first air, and flows from the second opening 33b to the second heat exchange chamber 73.
- the first air is dehumidified by adsorbing moisture to the adsorbent of the second heat exchange 5. Further, the first air is deprived of sensible heat by the heat of evaporation of the refrigerant in the second heat exchanger 5.
- the first air thus cooled and dehumidified flows from the second heat exchange chamber 73 through the eighth opening 31d, flows through the second outflow passage 59, passes through the second fan 77, and flows out of the second air outlet 25 through the second air outlet 25. Supplied indoors as SA.
- the adsorption operation in the first heat exchanger 3 and the regeneration operation in the second heat exchanger 5 Is performed. That is, In the second operation, as shown in FIG. 6 (b) and FIG. 8, the moisture in the outdoor air OA taken into the first heat exchanger 3 as the first air is adsorbed, and the surface of the second heat exchange 5 Moisture desorbed from the sorbent carried on the first air is given to the first air and supplied to the room as room air SA.
- the four-way switching valve 9 is switched to a state in which the first port and the fourth port are connected and the second port and the third port are connected. .
- the second heat exchange 5 functions as a condenser
- the first heat exchange 3 functions as an evaporator.
- the high-temperature and high-pressure refrigerant discharged from the compressor 7 It flows to the second heat exchanger 5 as a medium.
- the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 is heated by the refrigerant to remove adsorbent water from the adsorbent and regenerate the adsorbent.
- the refrigerant condensed in the second heat exchanger 5 is decompressed by the expansion valve 11.
- the depressurized refrigerant flows to the first heat exchanger 3 as a heat medium for cooling.
- the first heat exchanger 3 when the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 adsorbs moisture, heat of adsorption is generated.
- the refrigerant in the first heat exchanger 3 evaporates by absorbing the heat of adsorption.
- the evaporated refrigerant returns to the compressor 7, and the refrigerant repeats this circulation.
- the second air that has flowed in from the second suction port 21 as the room air R flows through the second inflow path 57, and from the sixth opening 31b. It flows to the second heat exchange chamber 73.
- the second air is humidified by releasing the water desorbed from the adsorbent of the second heat exchange 5.
- the humidified second air flows from the second heat exchange chamber 73 through the fourth opening 33d to the first outflow path 65, passes through the first fan 79, and flows out of the first outlet 23 as the exhaust air EA. Is discharged.
- the first air that has flowed in as the outdoor air OA from the first suction port 19 flows through the first inflow path 63, and flows from the first opening 33a to the first heat exchange chamber 69.
- the moisture of the first air is adsorbed by the adsorbent of the first heat exchange 3 to be dehumidified.
- the first air is deprived of sensible heat by the heat of evaporation of the refrigerant in the first heat exchanger 3.
- the first air thus cooled and dehumidified flows from the first heat exchange chamber 69 through the seventh opening 31c to the second outflow passage 5c. 9 flows through the second fan 77 and is supplied from the second outlet 25 to the room as conditioned air SA.
- the first operation is performed again. Then, the first operation and the second operation are repeated each time a predetermined batch switching time elapses, so that dehumidification in the indoor space is continuously performed.
- control unit 80 1S When performing the heating and humidifying operation in the full ventilation mode in the air conditioner 10, the control unit 80 1S first air taken in as indoor air RA is discharged outside as outdoor air EA, and taken in as outdoor air OA. Each part is controlled so that the second air is supplied indoors as room air SA.
- the adsorption operation in the second heat exchange 5 and the regeneration operation in the first heat exchanger 3 are performed. That is, in the first operation, as shown in FIGS. 6A and 9, the moisture in the indoor air RA taken into the second heat exchanger 5 as the first air is adsorbed, and the first heat exchange 3 is performed. Adsorbent force carried on the surface Desorbed moisture force Applied to the second air taken in as SOA.
- the four-way switching valve 9 is switched to a state in which the first and third ports are connected and the second and fourth ports are connected. .
- the first heat exchanger 3 of the refrigerant circuit 1 functions as a condenser
- the second heat exchanger 5 functions as an evaporator. That is, the high-temperature and high-pressure refrigerant discharged from the compressor 7 flows to the first heat exchanger 3 as a heating medium for heating.
- the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 is heated by the refrigerant to remove adsorbent water from the adsorbent and regenerate the adsorbent.
- the refrigerant condensed in the first heat exchange 3 is decompressed by the expansion valve 11.
- the depressurized refrigerant flows to the second heat exchanger 5 as a heat medium for cooling.
- heat of adsorption is generated when the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 adsorbs moisture.
- the refrigerant in the second heat exchanger 5 absorbs the heat of adsorption and evaporates.
- the evaporated refrigerant returns to the compressor 7, and the refrigerant repeats this circulation.
- the first air that has flowed in as room air RA from the second suction port 21 flows through the second inflow path 57, and flows through the sixth opening 31b into the second air path RA. 2 Flow to heat exchange room 73.
- the moisture contained in the first air is adsorbed by the adsorbent of the second heat exchange 5 and dehumidified.
- the dehumidified first air becomes the exhaust air EA, flows from the second heat exchange chamber 73 through the fourth opening 33d, flows through the first outflow passage 65, passes through the first fan 79, and flows out of the first outlet 23 through the first outlet 23. Is discharged.
- the second air that has flowed in as the outdoor air OA from the first suction port 19 flows through the first inflow path 63, and flows from the first opening 33a to the first heat exchange chamber 69.
- the second air is humidified in the first heat exchange chamber 69 by releasing moisture released from the adsorbent of the first heat exchanger 3. Further, the second air is given sensible heat by the heat of condensation of the refrigerant in the first heat exchange 3.
- the second air heated and humidified in this way flows from the first heat exchange chamber 69 through the seventh opening 31c to the second outflow passage 59, passes through the second fan 77, and flows from the second outlet 25 to the humidified air SA. Is supplied indoors.
- the second operation After performing the first operation until a predetermined batch switching time has elapsed, the second operation is performed.
- the adsorption operation in the first heat exchange 3 and the regeneration operation in the second heat exchanger 5 are performed.
- the second operation as shown in FIGS. 6 (b) and 10
- moisture in the first air taken into the first heat exchanger 3 as the indoor air RA is adsorbed, and the second heat exchange 5
- the moisture desorbed from the air is given to the second air taken in as outdoor air OA.
- the four-way switching valve 9 is switched to a state in which the first port and the fourth port are connected, and the second port and the third port are connected.
- the second heat exchange 5 functions as a condenser
- the first heat exchange 3 functions as an evaporator.
- the high-temperature and high-pressure refrigerant discharged from the compressor 7 flows to the second heat exchanger 5 as a heating medium for heating.
- the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 is heated by the refrigerant to remove adsorbent water from the adsorbent and regenerate the adsorbent.
- the refrigerant condensed in the second heat exchanger 5 is decompressed by the expansion valve 11. The depressurized refrigerant flows to the first heat exchanger 3 as a heat medium for cooling.
- the first heat exchanger 3 heat of adsorption is generated when the adsorbent carried on the outer surfaces of the fins 13 and the heat transfer tubes 15 adsorbs moisture.
- the refrigerant in the first heat exchanger 3 evaporates by absorbing the heat of adsorption.
- the evaporated refrigerant returns to the compressor 7, and the refrigerant repeats this circulation.
- the first air that has flowed in as room air RA from the second suction port 21 by the driving of the first fan 79 and the second fan 77 flows through the second inflow passage 57, and the first heat exchange Flows into room 69.
- the moisture contained in the first air is adsorbed by the adsorbent of the first heat exchange 3 and dehumidified.
- the first air is deprived of sensible heat by the heat of evaporation of the refrigerant in the first heat exchange 3.
- the first air that has been cooled and dehumidified flows from the first heat exchange chamber 69 through the third opening 33c to the first outflow passage 65, passes through the first fan 79, and exits from the first outlet 23. Released into the room as EA.
- the second air that has flowed in as the outdoor air OA from the first suction port 19 flows through the first inflow path 63, and flows from the second opening 33b to the second heat exchange chamber 73.
- the water desorbed from the adsorbent of the second heat exchanger 5 is released and humidified into the second air.
- the humidified second air flows from the second heat exchange chamber 73 through the eighth opening 31d to the second outflow passage 59, passes through the second fan 77, and flows from the second outlet 25 to the outside as humidified air SA. Supplied.
- the first operation is performed again.
- the first operation and the second operation are repeated each time a predetermined batch switching time elapses, and humidification is continuously performed on the indoor space.
- control unit 80 takes in the indoor air RA and supplies it to the room as the first air, while taking in the outdoor air OA as the second air and discharges it to the outside. Control each part so that The circulation of the refrigerant in the refrigerant circuit 1 is the same as in the above-described full ventilation mode.
- the adsorption operation in the second heat exchanger 5 and the regeneration (desorption) operation in the first heat exchanger 3 are performed.
- the second heat exchange 5 takes in the room air RA.
- the moisture in the first air thus absorbed is adsorbed, and the moisture desorbed from the adsorbent carried on the surface of the first heat exchanger 3 is given to the second air taken in as outdoor air OA.
- the desorbed water is released from the adsorbent of the first heat exchanger 3 and the second air is humidified.
- the humidified second air flows from the first heat exchange chamber 69 through the third opening 33c to the first outflow passage 65, passes through the first fan 79, and flows out of the first outlet 23 as the exhaust air EA. Is discharged.
- the first air that has flowed in from the second suction port 21 as room air RA flows through the second inflow path 57, and flows from the sixth opening 31b to the second heat exchange chamber 73.
- the moisture contained in the second air is adsorbed by the adsorbent of the second heat exchange 5 and dehumidified.
- the second air is deprived of sensible heat by the heat of evaporation of the refrigerant in the second heat exchanger 5.
- the second air thus cooled and dehumidified flows from the second heat exchange chamber 73 through the eighth opening 31d, flows through the second outflow passage 59, passes through the second fan 77, and flows through the second outlet 25 to the conditioned air SA. Is supplied indoors.
- the adsorption operation in the first heat exchanger 3 and the regeneration operation in the second heat exchanger 5 are performed.
- the moisture in the first air taken into the first heat exchanger 3 as the indoor air RA is adsorbed, and the adsorbent force carried on the surface of the second heat exchanger 5 releases the desorbed moisture. Applied to the second air.
- the desorbed water is released from the adsorbent of the second heat exchanger 5 and the second air is humidified.
- the first air that has flowed in as room air RA from the second suction port 21 flows through the second inflow path 57, and flows from the fifth opening 31a to the first heat exchange chamber 69.
- the moisture contained in the first air is adsorbed by the adsorbent of the first heat exchange 3 and dehumidified. More
- the first air is deprived of sensible heat by the heat of evaporation of the refrigerant in the second heat exchanger 5.
- the first air that has been cooled and dehumidified flows from the first heat exchange chamber 69 through the seventh opening 31c, flows through the second outflow passage 59, passes through the second fan 77, and flows through the second outlet 25 into the conditioned air. Supplied indoors as SA.
- the first operation After performing the second operation until a predetermined batch switching time has elapsed, the first operation is performed again. Then, the first operation and the second operation are repeated every time a predetermined batch switching time elapses, and the dehumidification in the indoor space is continuously performed.
- the control unit 80 discharges the first air taken in as outdoor air OA to the outside, Each part is controlled so that the second air taken in as RA is supplied into the room.
- the circulation of the refrigerant in the refrigerant circuit 1 is the same as in the above-described full ventilation mode.
- the adsorption operation in the second heat exchanger 5 and the regeneration operation in the first heat exchanger 3 are performed.
- the moisture in the first air taken in as the outdoor air OA by the second heat exchanger 5 is adsorbed, and the adsorbent force carried on the surface of the first heat exchanger 3
- the desorbed moisture becomes the indoor heat.
- Air is given to the second air taken in as RA.
- the desorbed water is released from the adsorbent of the first heat exchanger 3 and the second air is humidified.
- the second air is given sensible heat by the heat of condensation of the refrigerant in the first heat exchange 3.
- the second air heated and humidified in this way flows from the first heat exchange chamber 69 through the seventh opening 31c to the second outflow passage 59, is supplied to the room from the second outlet 25 through the second fan 77, and is supplied to the room. You.
- the first air that has flowed in as the outdoor air OA from the first suction port 19 flows through the first inflow path 63, and flows from the second opening 33b to the second heat exchange chamber 73.
- the moisture contained in the first air is adsorbed by the adsorbent of the second heat exchange 5 and dehumidified.
- the dehumidified first air flows from the second heat exchange chamber 73 through the fourth opening 33d to the first outflow path 65, passes through the first fan 79, and is discharged from the first outlet 23 as exhaust air EA outside the room. Is done.
- the second operation is performed. ⁇ 2nd movement ⁇
- the adsorption operation in the first heat exchanger 3 and the regeneration operation in the second heat exchanger 5 are performed.
- the moisture in the first air taken in as the outdoor air OA by the first heat exchanger 3 is adsorbed, and the adsorbent force carried on the surface of the second heat exchanger 5 releases the desorbed moisture. It is given to the second air taken in as room air RA.
- the desorbed water is released from the adsorbent of the second heat exchanger 5 and the second air is humidified. Further, the second air is given sensible heat by the heat of condensation of the refrigerant in the second heat exchange 5. in this way
- the heated and humidified second air flows from the second heat exchange chamber 73 through the eighth opening 31d, flows through the second outflow passage 59, passes through the second fan 77, and flows from the second outlet 25 as humidified air SA into the room. Supplied to
- the moisture contained in the first air is adsorbed by the adsorbent of the first heat exchange 3 and dehumidified.
- the dehumidified first air flows from the first heat exchange chamber 69 through the third opening 33c through the first outflow passage 65, passes through the first fan 79, and is discharged from the first outlet 23 as exhaust air EA outside the room. Is done.
- the first operation is performed again.
- the first operation and the second operation are repeated each time a predetermined batch switching time elapses, and the humidification of the indoor space is continuously performed.
- the air conditioner 10 of the present embodiment has the above configuration, and the control unit 80 performs control according to the flowcharts shown in FIGS. 12 and 13 at the time of startup.
- the air conditioner 10 is started in step (hereinafter, referred to as S) 1 as shown in FIG. After that, in S2, the humidity sensors 3b and 5b and the temperature sensor 4 The temperature and humidity of the indoor space at the time are measured.
- a desired target temperature value and a desired humidity value are set in the storage unit 81 provided in the air conditioner 10 by the user.
- the control unit 80 calculates the ratio of the difference between the measured temperature and humidity and the temperature and humidity preset by the user. As a result, in S4, the control unit 80 selects one of the temperature and the humidity having a larger ratio of the difference between the measured value and the set value, and in S5, gives priority to the sensible heat treatment or the latent heat treatment. To determine. Then, in S6, the air conditioner 10 performs a priority control operation such that an appropriate process of the sensible heat treatment and the latent heat treatment is prioritized according to the temperature and humidity at the time of startup in the indoor space. The control unit 80 continues the priority control operation until a predetermined condition described in detail later is satisfied, and switches to the normal operation in S7 when the predetermined condition is satisfied.
- control unit 80 calculates that the ratio of the difference between the measured temperature value and the set target temperature value is greater than the humidity, and determines to perform the sensible heat priority control operation in which the sensible heat treatment is prioritized.
- the batch switching time for switching between the adsorption operation and the regeneration operation in the first heat exchange 3 and the second heat exchange 5 is made longer than in the normal operation.
- heat exchange between the air and the refrigerant can be performed in a state where the heat exchanger on the side functioning as the evaporator is sufficiently cooled, and heat exchange occurs when the time functioning as the evaporator becomes longer. Since the adsorbing ability of the adsorbent supported on the surface decreases, the sensible heat treatment must be prioritized over the latent heat treatment.
- the control may be performed such that the refrigerant condensation temperature target value is set higher than that in the normal operation. Good. This makes it possible to increase the sensible heat treatment capability and perform an operation for processing more sensible heat treatment.
- the air conditioner 10 of the present embodiment is a desiccant humidifier having no ventilation function, or when the desiccant external humidifier performs the above-described circulation operation, Control for increasing the circulation amount of air taken in from the outdoor may be performed.
- the sky By increasing the amount of air circulation, the sensible heat treatment capability can be improved and priority control operation of sensible heat treatment can be performed.
- the control unit 80 determines to perform the priority control operation for giving priority to the latent heat treatment
- the batch switching time for switching between the adsorption operation and the regeneration operation in the first heat exchange 3 and the second heat exchange 5 is set. Shorter than during normal operation.
- the adsorbent carried on the surface of the heat exchanger on the side functioning as an evaporator can always be maintained in a state having a high adsorption capacity, and if the batch switching time is shortened, the heat exchange becomes sufficient. Since the switching is performed before cooling (warming), the latent heat treatment can be prioritized over the sensible heat treatment.
- the control is performed such that the target value of the condensing temperature of the refrigerant is set higher than that in the normal operation, in addition to the above control. May be. This makes it possible to increase the latent heat treatment capacity and perform an operation for processing more latent heat treatment.
- control unit 80 is connected to the timer 82 capable of setting the time for performing the priority control operation. For this reason, after the start of the priority control operation, the control unit 80 determines that the predetermined condition has been satisfied when the predetermined time set in the timer 82 has elapsed, and switches to the priority control operation force normal operation.
- Priority control driving force Switching to normal operation is not limited to switching based on the passage of time set in timer 82.
- the control unit 80 can switch to the priority control driving force normal operation assuming that the control unit 80 satisfies the predetermined condition.
- the priority control driving force can be switched to the normal operation on the assumption that the control unit 80 satisfies the predetermined condition. Then, by combining these plural switching conditions, it becomes possible to perform more various controls.
- switching from the priority control operation to another priority control operation can be performed. Specifically, from the measurement results of the humidity sensors 3b and 5b and the temperature sensor 4 during the priority control operation, for example, when the priority control operation is performed with priority given to the sensible heat treatment, the increase in the latent heat load (the humidity If the rise is found, switch to priority control operation that gives priority to latent heat treatment! Priority control operation force that gives priority to latent heat treatment The same applies to switching to priority control operation that gives priority to sensible heat treatment
- the air conditioner 10 is started in S11 as shown in FIG. Thereafter, in S12, the control unit 80 confirms the contents of the initial settings stored in the storage unit 81.
- the initial settings are set, for example, to give priority to latent heat treatment during the rainy season with high humidity, and to give priority to sensible heat treatment in midsummer, when the temperature rises. Te ru.
- control unit 80 determines whether to give priority to the sensible heat treatment or to the latent heat treatment based on the contents stored in the storage unit 81 as the initial settings. Then, the air conditioner 10 starts the priority control operation in S14. The control unit 80 continues this priority control operation until the above-described predetermined condition is satisfied, and switches to the normal operation in S15 when the predetermined condition is satisfied.
- the operation can be controlled so that the sensible heat treatment is prioritized when the temperature is extremely high in the indoor space at the time of startup, and the latent heat treatment is prioritized when the humidity is extremely high. Therefore, by starting the priority control operation with the start-up force, an optimum operation can be performed according to the indoor space environment at the start-up time, and an efficient and comfortable environment can be provided.
- the air conditioner 10 of the present embodiment includes humidity sensors 3b, 5b and a temperature sensor 4 for measuring the temperature and humidity in the indoor space, respectively.
- the control unit 80 can use this measurement result as a material to determine whether to give priority to sensible heat treatment or latent heat treatment for the priority control operation by measuring the temperature and humidity of the space. it can.
- the control unit 80 After the control unit 80 starts the priority operation, the temperature, Z, or humidity reaches the predetermined set values in the humidity sensors 3b, 5b, and the temperature sensor 4 described above. When the control unit 80 detects that, the priority control operation is switched to the normal operation.
- control unit 80 is connected to the timer 82 as shown in FIG. 11, and the priority control operation force is switched to the normal operation according to the time set in the timer 82.
- control unit 80 is connected to the manual input unit 83. Then, when the manual input unit 83 receives an input from the user, the control unit 80 switches the priority control operation to the normal operation.
- the priority control operation can be switched to the normal operation at the timing desired by the user.
- the control unit 80 switches to the other priority control operation. For example, if the temperature sensor 4 detects an increase in air temperature in the indoor space (increase of sensible heat load!) During the priority control operation that gives priority to latent heat treatment, It is possible to switch to the priority control operation that prioritizes the sensible heat treatment even if the process does not proceed to the state.
- the air conditioner 10 is connected to the storage unit 81, and before the normal operation is started from the start according to the initial setting stored in the storage unit 81. Then, a predetermined priority control operation is performed.
- the initial settings are changed, for example, every season in response to changes in the environment, etc., so that the temperature and humidity in the indoor space are measured at each start-up, and the contents of priority control operation are determined immediately.
- the priority control operation determined by the setting can be started.
- the air conditioner 10 of the present embodiment has two heat exchangers (first heat exchange 3 and second heat exchange 5) and is supported on the surface of each heat exchange 5, as shown in FIGS. Adsorbent. Further, as shown in FIG. 11, the control section 80 is connected to the air flow path switching mechanism 91 and the four-way switching valve 9 for switching the flow path of the refrigerant. The control unit 80 switches the air flow path switching mechanism 91 and the like every time a predetermined batch switching time elapses to condense the first heat exchanger 3.
- V and so-called batch-type control can be performed using a plurality of heat exchangers alternately as an evaporator and a condenser every time a predetermined batch switching time elapses.
- the air conditioner 10 of the present embodiment is an air conditioner that performs the above-described batch control, and when performing a priority control operation that gives priority to sensible heat treatment, sets the batch switching time to be longer than that during the normal operation. .
- each heat exchanger 3, 5 can function as a condenser or evaporator until the temperature rises and falls sufficiently. It can be performed.
- the target condensation temperature of the refrigerant flowing through the refrigerant circuit 1 shown in FIG. 5 may be set higher than during normal operation.
- the sensible heat treatment capability can be improved, so that the priority control operation giving priority to the sensible heat treatment can be performed.
- the priority control operation for giving priority to the sensible heat treatment is performed under the same conditions as described herein. be able to.
- the air conditioner 10 of the present embodiment is an air conditioner that performs the above-described batch control, and when performing a priority control operation that gives priority to latent heat treatment, the batch switching time is set shorter than in the normal operation.
- the air conditioner 10 of the present embodiment is an air conditioner that performs the above-described batch control, and performs a priority control operation that gives priority to latent heat treatment.
- the target temperature of condensation of the refrigerant flowing through is set higher than during normal operation.
- the priority control operation giving priority to the latent heat treatment can be performed.
- the priority control operation that gives priority to the sensible heat treatment can be performed under the same conditions as described above even during the circulation mode operation.
- the control unit 80 is connected to the air flow path switching mechanism 91, and the air taken in from the indoor space in the batch control operation described above.
- Process sensible heat load or latent heat load to discharge and circulate the processed air to the indoor space, and supply sensible heat load or latent heat load to the air taken in from outside. And perform a circulation operation to discharge to the outside.
- the control unit 80 controls the operation of the air flow path structure 91 so as to increase the amount of circulation of the air including the outdoor force. You.
- an operation in which the sensible heat treatment is prioritized may be performed by a method such as extending the batch switching time or setting a high condensation temperature of the refrigerant.
- the priority control operation at the time of startup is performed according to the flowcharts shown in FIGS. That is, the temperature and humidity of the indoor space at the time of startup are measured, and it is determined whether to perform the sensible heat treatment or the latent heat treatment! / ⁇ deviation priority control operation.
- priority control operation is performed based on the contents determined by the initial setting.
- the air conditioner 10 is a desiccant type external conditioner.
- the present invention is not limited to this.
- the air conditioner may be an air conditioner constituting a refrigerant circuit 100 including a heat exchanger 6a for sensible heat treatment. Even with such a configuration, regardless of the existence of heat exchange 6a, priority control operation that preferentially processes sensible heat treatment or latent heat treatment in first heat exchange 3 and second heat exchange 5 It can be performed.
- the refrigerant circuit 100 includes one compressor 97, one expansion valve 98, and one four-way switching valve 99.
- the internal heat exchanger 6a and the heat exchangers 3 and 5 each constitute a use-side heat exchanger.
- the refrigerant circuit 100 is provided with an electromagnetic valve 96 and a capillary tube 95.
- the solenoid valve 96 is provided between the heat exchange 3, 5 and the indoor heat exchange 6 & .
- One end of the capillary tube 95 is connected between the solenoid valve 96 and the heat exchangers 3 and 5, and the other end is connected between the solenoid valve 96 and indoor heat exchange.
- the dehumidifying cooling operation and the humidifying heating operation are performed.
- the four-way switching valve 99 is set to the first state, the outdoor heat exchange 6b functions as a condenser, and the indoor heat exchange 6 & functions as an evaporator. Further, an adsorption operation in which the heat exchange 5 becomes an evaporator and a regeneration operation in which the heat exchange 5 becomes a condenser are alternately repeated. Further, during the dehumidifying and cooling operation, outdoor air is supplied to the outdoor heat exchanger 6b, and Indoor air is supplied to the heat exchanger 6a and the heat exchangers 3, 5. The air cooled by the indoor heat exchanger 6a is continuously supplied to the room, while the air dehumidified by the heat exchange 5 is intermittently supplied to the room.
- the pressure is reduced by the expansion valve 98, and thereafter, it evaporates while passing through the heat exchangers 3, 5 and the indoor heat exchanger 6a in order, and is sucked into the compressor 97 to be compressed.
- the outdoor air that has also absorbed the refrigerant gas in the outdoor heat exchanger 6b is discharged to the outside, and the indoor air cooled by the indoor heat exchange is returned to the room.
- the moisture in the indoor air is adsorbed by the adsorbent to dehumidify the indoor air, and the heat of adsorption generated at that time is absorbed by the refrigerant.
- the indoor air dehumidified by the heat exchangers 3, 5 is returned to the room.
- the outdoor air that has absorbed heat from the refrigerant in the outdoor heat exchanger 6b is discharged outside the room, and the room air cooled by the indoor heat exchange is returned to the room.
- the adsorbent is heated and regenerated by the refrigerant, and the moisture desorbed from the adsorbent is given to the indoor air.
- the moisture desorbed from the heat exchangers 3, 5 is discharged outside the room together with the room air.
- the air conditioner 10 includes the two heat exchangers (the first heat exchanger 3 and the second heat exchanger) and performs the batch control has been described.
- the present invention is not limited to this.
- a flow-type air conditioner that performs an adsorption operation and a regeneration operation by a method may be used.
- the air conditioner of the present invention may be provided with a ventilation function in comparison with the desiccant type external conditioner of the above embodiment having a ventilation function, and may be a desiccant type humidity controller! ,.
- the air conditioner 10 includes two heat exchangers (the first heat exchanger 3 and the second heat exchanger 5) has been described.
- the present invention is not limited to this.
- the air conditioner 10 may be a batch type control that switches between a regeneration state of the heat exchanger and a second state in which the other heat exchanger performs the adsorption operation.
- humidity control elements 102 and 103 each having an adsorbent are arranged near the first heat exchanger 3 and the second heat exchanger 5, and the first heat exchanger 3 and the (2)
- the air conditioner 101 may be provided with a configuration in which air before or after passing through the heat exchanger 5 passes through the humidity control elements 102 and 103. Even with such a configuration, the heat of evaporation and heat of condensation of each of the heat exchangers 3 and 5 is transmitted, so that the air conditioner 101 can perform the adsorption operation and the regeneration operation on the adsorbent.
- the directions of the flows of the refrigerant and the air in the humidifying operation are shown.
- first heat exchange 3 and the second heat exchange 5 are cross-fin type fin-and-tube heat exchangers.
- present invention is not limited to this.
- the adsorbent may be supported on the outer surface by any other method as long as the performance as the adsorbent is not impaired.
- a configuration including one of the temperature sensor 4 and the humidity sensors 3b and 5b may be employed.
- the priority control operation cannot be determined from both the temperature and the humidity. Therefore, in the case where the accurate control is performed according to the environment of the indoor space at the time of starting, the above-described embodiment will be described. It is more preferable to include a temperature sensor 4 for measuring the air temperature in the indoor space and humidity sensors 3b and 5b for measuring the humidity as described above.
- the humidity sensors 3b and 5b and the temperature sensor 4 may be provided with two forces and one force each.
- the air conditioner of the present invention has an effect that the indoor space can be efficiently made a comfortable environment by the priority control operation performed at the time of start-up. Therefore, both the sensible heat load and the latent heat load are provided. It can be widely applied to air conditioners such as desiccant humidifiers and air conditioners that have the function of treating air.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES05727083.7T ES2653809T3 (es) | 2004-03-31 | 2005-03-24 | Acondicionador de aire y procedimiento de control del mismo |
US10/593,474 US7841194B2 (en) | 2004-03-31 | 2005-03-24 | Air conditioner and method of controlling such |
AU2005230506A AU2005230506B2 (en) | 2004-03-31 | 2005-03-24 | Air conditioner and method of controlling such |
EP05727083.7A EP1757872B1 (en) | 2004-03-31 | 2005-03-24 | Air conditioner and method of controlling the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-104763 | 2004-03-31 | ||
JP2004104763A JP3712000B2 (ja) | 2004-03-31 | 2004-03-31 | 空気調和機およびその制御方法 |
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WO2005098325A1 true WO2005098325A1 (ja) | 2005-10-20 |
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PCT/JP2005/005345 WO2005098325A1 (ja) | 2004-03-31 | 2005-03-24 | 空気調和機およびその制御方法 |
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US (1) | US7841194B2 (ja) |
EP (1) | EP1757872B1 (ja) |
JP (1) | JP3712000B2 (ja) |
KR (1) | KR100781500B1 (ja) |
CN (1) | CN100559093C (ja) |
AU (1) | AU2005230506B2 (ja) |
ES (1) | ES2653809T3 (ja) |
WO (1) | WO2005098325A1 (ja) |
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CN104603549B (zh) * | 2012-09-04 | 2016-04-13 | 大金工业株式会社 | 加湿装置 |
CN106052006B (zh) * | 2016-05-12 | 2019-02-22 | 上海交通大学 | 空调系统温湿度弱关联控制方法 |
CN106200723A (zh) * | 2016-08-31 | 2016-12-07 | 中国科学院长春光学精密机械与物理研究所 | 一种用于空间相机高稳定性空心桁架杆的精密热控装置 |
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KR101973646B1 (ko) * | 2017-08-07 | 2019-04-29 | 엘지전자 주식회사 | 공기조화장치 및 그 제어방법 |
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Also Published As
Publication number | Publication date |
---|---|
CN1930423A (zh) | 2007-03-14 |
KR100781500B1 (ko) | 2007-11-30 |
AU2005230506B2 (en) | 2008-08-28 |
KR20060121946A (ko) | 2006-11-29 |
EP1757872A4 (en) | 2011-12-21 |
AU2005230506A1 (en) | 2005-10-20 |
JP3712000B2 (ja) | 2005-11-02 |
CN100559093C (zh) | 2009-11-11 |
EP1757872B1 (en) | 2017-11-22 |
US7841194B2 (en) | 2010-11-30 |
US20070144189A1 (en) | 2007-06-28 |
EP1757872A1 (en) | 2007-02-28 |
ES2653809T3 (es) | 2018-02-08 |
JP2005291570A (ja) | 2005-10-20 |
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