WO2005098322A1 - 調湿装置 - Google Patents
調湿装置 Download PDFInfo
- Publication number
- WO2005098322A1 WO2005098322A1 PCT/JP2005/005548 JP2005005548W WO2005098322A1 WO 2005098322 A1 WO2005098322 A1 WO 2005098322A1 JP 2005005548 W JP2005005548 W JP 2005005548W WO 2005098322 A1 WO2005098322 A1 WO 2005098322A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- refrigerant
- circulation
- heat exchanger
- switching
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- 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
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
Definitions
- the present invention relates to a humidity control apparatus using an adsorbent, and more particularly to a measure for circulating a refrigerant in a refrigerant circuit that alternately adsorbs and desorbs moisture by switching a circulating direction of the refrigerant. .
- the humidity control apparatus includes a refrigerant circuit in which a refrigerant circulates to perform a refrigeration cycle.
- a mesh container around which an adsorbent is sealed is provided in a part of the piping of the refrigerant circuit.
- the pipe functions as an evaporator or a condenser by switching the direction of circulation of the refrigerant in the refrigerant circuit.
- the adsorbent of the mesh container absorbs moisture of the indoor air or the outdoor air when the pipe functions as an evaporator, and is cooled by a refrigerant flowing through the pipe.
- the adsorbent in the mesh container desorbs moisture by being heated by a refrigerant flowing through the pipe, and the adsorbent is regenerated.
- dehumidified or humidified operation is continuously performed by continuously supplying dehumidified or humidified air to the room.
- the present invention has been made in view of the above point, and an object thereof is to occur at the time of a dehumidifying operation or a humidifying operation of a humidity control device, and at the time of switching of refrigerant circulation.
- the purpose is to enable continuous operation without damaging the compressor by absorbing excess refrigerant. Disclosure of the invention
- a first solution is that a compressor (63), a first heat exchange (61), an expansion mechanism (65), and a second heat exchanger (62) are connected by piping and a refrigerant
- the first heat exchanger (61) and the second heat exchanger (62) each have a refrigerant circuit (60) that has a reversible circulation and performs a vapor compression refrigeration cycle.
- the first and second heat exchangers (61) and (62) alternately adsorb and desorb water by switching the direction of circulation of the refrigerant in the refrigerant circuit (60). It is assumed that a humidity control device is used.
- the refrigerant circuit (60) is provided with a refrigerant adjusting means (66) for absorbing at least the excess refrigerant in a high pressure state when the circulation direction of the refrigerant is switched.
- the first heat exchanger (61) or the second heat exchanger (62) that adsorbs moisture functions as an evaporator.
- the second heat exchanger (62) or the first heat exchanger (61) for desorbing moisture functions as a condenser.
- the refrigerant in the high pressure state that becomes excessive in the high pressure line when the refrigerant circulation is switched is absorbed by the refrigerant adjusting means (66).
- the refrigerant adjusting means (66) Even if the refrigerant circulation is switched and the high pressure line is switched to the low pressure line, no excess refrigerant is generated in the low pressure line. Therefore, only the necessary amount of refrigerant flows into the first heat exchanger (61) or the second heat exchanger (62), which has been switched as an evaporator, and evaporates. 63). As a result, the flow of the liquid refrigerant into the compressor (63) is suppressed, and damage to the compressor (63) is prevented.
- the second solution is the rectifier mechanism according to the first solution, wherein a rectifying mechanism is provided between the first heat exchange (61) and the second heat exchange (62) in the refrigerant circuit (60).
- the (72) forms a one-way passage (71) through which the refrigerant always flows in the minus direction, and the expansion mechanism (65) is provided in the minus direction passage (71).
- the refrigerant adjusting means (66) is a liquid reservoir (66) capable of storing a liquid refrigerant.
- the liquid reservoir (66) is provided upstream of the expansion mechanism (65) in the one-way passage (71).
- the refrigerant flows through the expansion mechanism (65) and the liquid reservoir (66) in order. That is, the liquid reservoir (66) is always located in the high-pressure line. This ensures that the excess amount of refrigerant in the high-pressure state generated in the high-pressure line is absorbed by the liquid reservoir (66). Therefore, an excessive amount of refrigerant does not occur in the low-pressure line when the refrigerant circulation is switched.
- the liquid reservoir (66) is always located in the high pressure line, the liquid refrigerant stored in the liquid reservoir (66) flows to the suction side of the compressor (63) even if the refrigerant circulation is switched. Hana! / ⁇ .
- the expansion mechanism includes a first expansion mechanism (65) and a second expansion mechanism (67).
- the refrigerant adjusting means (66) is a liquid reservoir (66) capable of storing a liquid refrigerant.
- the liquid reservoir (66) is provided between the first expansion mechanism (65) and the second expansion mechanism (67) in the refrigerant circuit (60).
- the first expansion mechanism (65) and the second expansion mechanism (67) are configured such that the pressure of the refrigerant is reduced in one of the first expansion mechanism (65) and the second expansion mechanism (67).
- the fourth solution is the first solution, wherein the refrigerant adjusting means (66) switches the first heat exchanger (61) or the second heat exchanger (61) in the high pressure line before switching the circulation direction of the refrigerant. It is configured to store at least the liquid refrigerant of the heat exchange (62).
- the refrigerant before switching the refrigerant circulation, the refrigerant is located at least in the high-pressure line. Since the high-pressure liquid refrigerant in the condenser is stored in the refrigerant adjusting means (66), at least the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched thereafter. This further suppresses the flow of the liquid refrigerant into the compressor (63).
- the fifth solution is the air conditioner according to any one of the second to fourth aspects, wherein air is blown to the first heat exchanger (61) or the second heat exchanger (62) in the high-pressure line.
- the switching means (91) removes the air to the condenser or reduces the amount of air to be supplied to the condenser for a predetermined time before switching the refrigerant circulation.
- the amount of air taken in decreases.
- the stoppage of the air supply or the reduction of the air supply amount is performed, for example, by lowering the driving force of the fan for the condenser or the frequency of the fan to a predetermined value or less.
- the liquid refrigerant in the condenser is stored in the refrigerant adjusting means (66) during the predetermined time. Therefore, the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, and the flow of the liquid refrigerant into the compressor (63) is suppressed.
- a sixth solution is the solution of any one of the second to fourth solutions, wherein the frequency of the compressor (63) is increased to a predetermined value or more for a predetermined time and then the refrigerant is circulated. Switching means (91) for switching the direction is provided.
- the circulation speed of the refrigerant in the condenser is increased.
- the inflowing refrigerant flows as it is without being completely condensed, and the interposed liquid refrigerant flows into the liquid reservoir (66). That is, the liquid refrigerant in the condenser is stored in the refrigerant adjusting means (66) during the predetermined time. Therefore, the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, and the flow of the liquid refrigerant into the compressor (63) is suppressed.
- a seventh solution is the above-mentioned second or fourth solution, wherein the inflation mechanism is provided.
- a switching means (91) is provided for switching the circulation direction of the refrigerant after the opening degree of the expansion valve (65) is made smaller than the normal opening degree for a predetermined time.
- An eighth solution is the above-mentioned third solution, wherein the first expansion valve (65) as the first expansion mechanism and the second expansion valve (67) as the second expansion mechanism are different from each other.
- a switching means (91) is provided for switching the circulation direction of the refrigerant after the opening of the expansion valves (65, 67) for reducing the pressure of the refrigerant is made smaller than the normal opening for a predetermined time.
- the opening degree of the first expansion valve (65) or the second expansion valve (67) in which the pressure of the refrigerant is reduced by the switching means (91) for a predetermined time before the refrigerant circulation is switched In order to reduce the pressure, the high pressure state in the high pressure line increases, and the pressure of the liquid refrigerant in the liquid reservoir (66) always located in the high pressure line also increases. Thereby, in the high pressure line when the refrigerant circulation is switched, the time required for the low pressure state force to reach the predetermined high pressure state is also shortened. Therefore, the pressure state at the time of switching of the refrigerant circulation is stabilized quickly, and the operation efficiency is improved.
- a ninth solution is the liquid storage device according to the second or third solution, wherein
- the (66) is provided with a degassing pipe (81) having an on-off valve (82), connected to the suction side of the compressor (63), and through which gas refrigerant flows. Further, a switching means (91) for switching the circulation direction of the refrigerant after opening the on-off valve (82) for a predetermined time is provided.
- the switching means (91) allows the gas refrigerant in the liquid reservoir (66) to pass through the degassing pipe (81) for a predetermined period of time before switching the refrigerant circulation. ), The pressure in the liquid reservoir (66) drops. Thereby, the high-pressure liquid refrigerant such as the condenser flows into the liquid reservoir (66) and is stored therein. Therefore, the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, and the flow of the liquid refrigerant into the compressor (63) is suppressed. [0028] Effect
- the refrigerant circulation means (66) for absorbing at least the excess refrigerant in the high pressure state when the circulation direction of the refrigerant is switched is provided.
- the generation of excess refrigerant in the low pressure line can be prevented.
- an expansion mechanism (65) is provided in the one-way passage (71) through which the refrigerant always flows in the negative direction by the direction control circuit (72), and the expansion mechanism (65)
- a liquid reservoir (66) capable of storing liquid refrigerant is provided upstream of the tank, so that the liquid reservoir (66) is always positioned on the high-pressure line to ensure that excess refrigerant in the high-pressure line in the high-pressure line is stored.
- Vessel (66) Can be absorbed.
- two expansion mechanisms (65, 67) are provided, and a liquid reservoir (66) capable of storing a liquid refrigerant is provided between the two expansion mechanisms (65, 67). , 67), so that the liquid reservoir (66) is always positioned on the high-pressure line, and the high-pressure excess refrigerant in the high-pressure line is reliably absorbed by the liquid reservoir (66). It can be done.
- the refrigerant adjusting means (66) is configured so that the liquid refrigerant is interposed in the first heat exchanger (61) or the second heat exchanger (62), which is the evaporator when the refrigerant circulation is switched. And the flow of the liquid coolant into the compressor (63) can be further suppressed.
- the circulation of the refrigerant is switched after the air supply to the heat exchange (61, 62) functioning as a condenser is stopped for a predetermined time, or the amount of the air is reduced. Since the switching means (91) for switching the refrigerant circulation after reducing the refrigerant to a predetermined value or less for a predetermined time is provided, the amount of refrigerant condensed in the condenser is reduced and the liquid refrigerant is transferred to the liquid reservoir (66). Can be shed. That is, the liquid refrigerant in the condenser is transferred to the liquid reservoir (66) during the predetermined time. It can be poured and stored. Accordingly, the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, so that the flow of the liquid refrigerant into the compressor (63) can be further suppressed.
- the switching means (91) for switching the refrigerant circulation after increasing the frequency of the compressor (63) to a predetermined value or more for a predetermined time is provided.
- the flow rate of the refrigerant in the heat exchange (61, 62) functioning as a condenser can be increased.
- a switching means (91) for switching the refrigerant circulation after the opening degree of the expansion valve (65) as the expansion mechanism is made smaller than the normal opening degree for a predetermined time is provided.
- the switching means (91) for switching the refrigerant circulation after the opening of the expansion valve (65, 67) for reducing the pressure of the refrigerant is made smaller than the normal opening for a predetermined period of time is provided. Since it is provided, the internal pressure of the refrigerant adjusting means (66) can be increased in any of the inventions.
- the pressure in the high pressure line when the refrigerant circulation is switched can be quickly brought to a predetermined high pressure state by the internal pressure of the refrigerant adjusting means (66). That is, in the high-pressure line immediately after the switching of the refrigerant circulation, the so-called transition period from the low-pressure state to the predetermined high-pressure state can be shortened. Therefore, the pressure state at the time of switching of the refrigerant circulation is stabilized quickly, so that the operation efficiency can be improved.
- a degassing pipe (81) having an open / close valve (82) is connected between the liquid reservoir (66) and the suction side of the compressor (63).
- the switching means (91) for switching the refrigerant circulation direction is provided after the on-off valve (82) is opened for a predetermined time, so that the gas refrigerant in the liquid reservoir (66) is compressed.
- the pressure in the liquid reservoir (66) can be reduced by being sucked into the machine (63).
- the liquid coolant such as heat exchange (61, 62) that functions as a condenser can be absorbed in the liquid reservoir (66). That is, the liquid refrigerant in the condenser can be stored in the liquid reservoir (66) during the predetermined time. Therefore, the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, and the flow of the liquid refrigerant into the compressor (63) can be suppressed.
- FIG. 1 is a schematic configuration diagram showing a humidity control apparatus according to an embodiment.
- FIG. 2 is a perspective view showing a heat exchanger according to the embodiment.
- FIG. 3 is a circuit diagram showing a refrigerant circuit of the humidity control apparatus according to Embodiment 13;
- FIG. 4 is a schematic configuration diagram of a humidity control apparatus showing an air flow in a first refrigeration cycle operation of a dehumidifying operation.
- FIG. 5 is a schematic configuration diagram of a humidity control apparatus showing an air flow in a second refrigeration cycle operation of the dehumidifying operation.
- FIG. 6 is a schematic configuration diagram of a humidity control apparatus showing an air flow in a first refrigeration cycle operation of a humidification operation.
- FIG. 7 is a schematic configuration diagram of a humidity control apparatus showing an air flow in a second refrigeration cycle operation of the humidification operation.
- FIG. 8 is a circuit diagram showing a refrigerant circuit of a humidity control apparatus according to Embodiment 4.
- FIG. 9 is a circuit diagram showing a refrigerant circuit of a humidity control apparatus according to Embodiment 5.
- the humidity control apparatus (10) of the present embodiment performs dehumidification and humidification of room air, and includes a hollow rectangular parallelepiped box-shaped casing (11).
- the casing (11) houses a refrigerant circuit (60) and the like.
- the refrigerant circuit (60) includes a compressor (63), a four-way switching valve (64) that is a flow path switching unit, a first heat exchanger (61), and an expansion valve (an expansion mechanism). 65) and a second heat exchanger (62) in a closed circuit in which the refrigerant is charged.
- the refrigerant circuit (60) is configured so that the charged refrigerant circulates to perform a vapor compression refrigeration cycle. The details of the refrigerant circuit (60) will be described later.
- the casing (11) is formed in a flat box shape having a substantially square shape in plan view.
- the left side plate (12) and the right side plate (13), and the front plate (14) and the rear plate (15) are located in the thickness direction of the casing (11), and are mutually separated. It comprises two opposing end faces.
- the left side plate (12) has an outdoor air intake (21) formed near the rear plate (15), and an indoor air intake (22) formed near the front plate (14).
- an exhaust air outlet (23) is formed near the back plate (15), and an air supply air outlet (24) is formed near the front plate (14).
- the outdoor air inlet (21) and the indoor air inlet (22) constitute an air inlet
- the exhaust outlet (23) and the supply air outlet (24) constitute an air outlet. ing.
- a first partition plate (31) is provided upright toward the right side plate (13) from the center in the left-right direction.
- the internal space (16) of the casing (11) is partitioned left and right by a first partition plate (31).
- the right side of the first partition plate (31) becomes the first space (17), and the left side of the first partition plate (31) becomes the second space (18).
- the first space (17) of the casing (11) is partitioned into a front space and a back space by a seventh partition plate (37).
- the compressor (63) and the exhaust fan (26) of the refrigerant circuit (60) are arranged in a space on the back side of the first space (17).
- an expansion valve (65) and a four-way switching valve (64) of the refrigerant circuit (60) are also arranged in the space on the rear side (not shown).
- an air supply fan (25) is arranged in a space on the front side in the first space (17).
- the exhaust fan (26) is connected to an exhaust outlet (23), and the air supply fan (25) is connected to an air outlet (24).
- a second partition (32), a third partition (33), and a sixth partition (36) are provided in the second space (18) of the casing (11).
- the second partition plate (32) is set up near the front plate (14), and the third partition plate (33) is set up near the back plate (15).
- the second space (18) is partitioned into three spaces by a second partition plate (32) and a third partition plate (33) with a frontal force and a backward force.
- the sixth partition plate (36) is provided in a space between the second partition plate (32) and the third partition plate (33).
- the sixth partition (36) is provided upright at the center in the left-right direction of the second space (18).
- the space sandwiched between the second partition plate (32) and the third partition plate (33) is partitioned left and right by a sixth partition plate (36).
- the space on the right side constitutes a first heat exchange chamber (41), in which the first heat exchanger (61) is arranged.
- the space on the left side constitutes a second heat exchange chamber (42), in which the second heat exchanger (62) is arranged. That is, the first heat exchange chamber (41) and the second heat exchange chamber (42) are disposed adjacent to each other.
- the first heat exchanger (61) and the second heat exchanger (62) are each composed of a cross-fin type fin-and-tube heat exchanger! You. Specifically, the first heat exchanger (61) and the second heat exchanger (62) have a large number of aluminum fins (6a) formed in a rectangular plate shape and penetrate the fins (6a). Copper heat transfer tube (6b).
- an absorbent capable of absorbing and desorbing moisture is carried by dip molding (immersion molding).
- the adsorbent include zeolite, silica gel, activated carbon, organic polymer materials having hydrophilicity or water absorption, ion-exchange resin materials having sulfonic acid groups or sulfonic acid groups, and temperature-sensitive polymers. A functional polymer material or the like is used.
- the adsorbent is carried on the outer surfaces of each fin (13) and the heat transfer tube (15) by dip molding.
- the present invention is not limited to this.
- the adsorbent may be supported on the outer surface by a method.
- a fifth partition plate (35) is provided in a space between the third partition plate (33) and the rear plate (15) of the casing (11) in the second space (18). .
- the fifth partition plate (35) is provided so as to cross the center in the height direction of the space, and partitions the space up and down (see FIG. 1 (A)).
- the space above the fifth partition plate (35) forms a first inflow channel (43), and the space below the fifth partition plate (35) forms a first outflow channel (44).
- the first inflow path (43) communicates with the outdoor air suction port (21), and the first outflow path (44) communicates with the exhaust air outlet (23) via the exhaust fan (26).
- a fourth partition plate (34) is provided in the space between the second partition plate (32) and the front plate (14) of the casing (11) in the second space (18). ing.
- This fourth partition plate (34) is provided so as to cross the center of the space in the height direction, and partitions the space up and down (Fig. 1 (C) See).
- the space above the fourth partition plate (34) forms a second inflow channel (45), and the space below the fourth partition plate (34) forms a second outflow channel (46).
- the second inflow path (45) communicates with the indoor air suction port (22), and the second outflow path (46) communicates with the air supply outlet (24) via the air supply fan (25). I have.
- openings (51-54) are formed in the third partition plate (33) (see Fig. 1 (A)). These four openings (51-54) are located close to each other in the row and column direction, that is, are arranged in a grid pattern in two at the top, bottom, left and right.
- the first opening (51) connects the first inflow path (43) to the first heat exchange chamber (41)
- the second opening (52) connects the first inflow path (43) to the first inflow path (43). 2 It communicates with the heat exchange chamber (42).
- the third opening (53) connects the first outflow passage (44) to the first heat exchange chamber (41)
- the fourth opening (54) connects the first outflow passage (44) to the first outflow passage (44). 2 Communicates with the heat exchange chamber (42).
- openings (55-58) are formed in the second partition plate (32) (see Fig. 1 (C)). These four openings (55-58) are located close to each other in the row and column direction, that is, are arranged in two grids at the top, bottom, left and right.
- the fifth opening (55) communicates the second inflow path (45) with the first heat exchange chamber (41)
- the sixth opening (56) communicates with the second inflow path (45). 2 It communicates with the heat exchange chamber (42).
- the seventh opening (57) connects the second outflow passage (46) with the first heat exchange chamber (41)
- the eighth opening (58) connects the second outflow passage (46) with the second outflow passage (46). 2 Communicates with the heat exchange chamber (42).
- each opening (51-58) of the third partition plate (33) and the second partition plate (32) has a damper as an opening / closing means. These dampers are configured to switch each opening (51-58) between an open state and a closed state by opening and closing, and to switch a flow path of the first air and the second air.
- the four-way switching valve (64) of the refrigerant circuit (60) has a first port connected to the discharge side of the compressor (63), and a second port connected to the suction side of the compressor (63). It is connected.
- the third port of the four-way switching valve (64) is connected to the first heat exchanger (61), and the fourth port is connected to the second heat exchanger (62).
- the refrigerant circuit (60) switches the refrigerant circulation direction by switching the four-way switching valve (64). It is configured to be replaced. That is, the four-way switching valve (64) is in a state where the first port and the third port are in communication with each other and at the same time the second port and the fourth port are in communication (the state indicated by the solid line in FIG. 3). Then, the state is switched to a state in which the first port and the fourth port communicate with each other and at the same time the second port and the third port communicate with each other (a state indicated by a broken line in FIG. 3). When the four-way switching valve (64) is switched to the state indicated by the solid line in FIG.
- the refrigerant circuit (60) is compressed by the compressor (63) and the discharged refrigerant is condensed in the first heat exchanger (61). After that, the first refrigeration cycle operation in which the coolant circulates so as to evaporate in the second heat exchanger (62) is performed. Further, when the four-way switching valve (64) is switched to the state shown by the broken line in FIG. 3, the refrigerant circuit (60) sends the refrigerant discharged by the compressor (63) to the second heat exchanger (62). After the condensation, a second refrigeration cycle operation in which the refrigerant circulates so as to evaporate in the first heat exchanger (61) is performed.
- the humidity control device (10) is configured to switch between a dehumidifying operation and a humidifying operation.
- the humidity control device (10) adsorbs the moisture of the air flowing through the second heat exchanger (62) or the first heat exchanger (61) where the refrigerant evaporates with the adsorbent. Then, the water flowing through the first heat exchange (61) or the second heat exchange (62), in which the refrigerant condenses, releases moisture to regenerate the adsorbent and supply the air dehumidified by the adsorbent to the room.
- the refrigerant circulation of the refrigerant circuit (60) and the air circulation path are switched.
- the humidity control device (10) is connected to the first heat exchanger in which the refrigerant evaporates.
- the humidity control apparatus (10) switches the circulation of the refrigerant in the refrigerant circuit (60) in any of the operation modes, and switches between the first heat exchanger (61) and the second heat exchanger (62).
- the dehumidifying operation and the humidifying operation are continuously performed by alternately absorbing and desorbing moisture. That is, the first heat exchange (61) and the second heat exchange (62) in the refrigerant circuit (60) are performed by switching the circulation of the refrigerant so that the refrigerant in the high-pressure state and the evaporator in the low-pressure state are separated. It switches alternately to.
- the refrigerant circuit (60) includes a liquid reservoir (66) capable of storing a liquid refrigerant.
- the liquid reservoir (66) is provided on a high-pressure line that is always in a high-pressure state by a rectifying mechanism.
- the refrigerant circuit (60) includes a storage circuit (70) connected by piping between the first heat exchange (61) and the second heat exchange (62).
- the storage circuit (70) is composed of a direction control circuit (72), which is a rectifying mechanism constituted by a bridge circuit, and a one-way passage (71) in which the refrigerant always flows in the negative direction.
- the expansion valve (65) is provided in the one-way passage (71).
- the liquid reservoir (66) is provided upstream of the expansion valve (65) in the one-way passage (71). That is, the one-way passage (71) is configured so that the refrigerant always flows through the liquid reservoir (66) and the expansion valve (65) in order.
- the direction control circuit (72) is configured such that the first inflow pipe (73) and the second inflow pipe (74) are connected to the first outflow pipe (75) and the second outflow pipe (76) in a bridge shape. It is configured. Each of the inflow pipes (73, 74) and the outflow pipes (75, 76) is provided with a check valve (CV).
- the direction control circuit (72) allows the refrigerant having the power of the first heat exchanger (61), which is a condenser, to flow through the first inflow pipe (73) to the one-way passage (71). , Configured to flow through a second outlet pipe (76) to a second heat exchanger (62) which is an evaporator!
- the direction control circuit (72) allows the refrigerant from the second heat exchanger (62), which is a condenser, to pass through the second inflow pipe (74) through the one-way passage (71). Through the first outlet pipe (75) to the first heat exchanger (61), which is an evaporator.
- the storage circuit (70) is located in the high-pressure line where the liquid storage device (66) is always in a high-pressure state in both the first refrigeration cycle operation and the second refrigeration cycle operation. Is configured.
- the liquid reservoir (66) is configured as a refrigerant adjusting means that at least absorbs excess refrigerant in a high pressure state when the refrigerant circulation is switched during the dehumidifying operation and the humidifying operation. That is, for example, when the first heat exchanger (61) is switched from the evaporator (low pressure state) to the condenser (high pressure state) by switching the refrigerant circulation, the high pressure line in the high pressure line is overheated. Excess refrigerant is absorbed by the liquid reservoir (66).
- the refrigerant circuit (60) includes a controller (90).
- the controller (90) is provided with a circulation switching section (91) as switching means for switching the circulation direction of the refrigerant.
- the circulation switching section (91) includes a first heat exchanger (61) or a second heat exchanger functioning as a condenser.
- the circulation switching unit (91) switches the circulation direction of the refrigerant in the refrigerant circuit (60) after stopping the driving of the air supply fan (25) or the exhaust fan (26) for a predetermined time.
- the first heat exchange (61) or the second heat exchange (62) which is a condenser
- the inflowing refrigerant flows as it is without being condensed, and the interposed liquid refrigerant is stored in the liquid.
- the liquid refrigerant in the condenser is stored in the liquid reservoir (66) during the predetermined time.
- the liquid reservoir (66) is configured to store at least the liquid coolant of the first heat exchange (61) or the second heat exchange (62) in the high-pressure line before switching the refrigerant circulation direction. Being done.
- the circulation switching unit (91) is configured to stop the air supply fan (25) and the like for a predetermined time, but the circulation switching unit (91) is configured to stop the air supply fan (25) and the like for a predetermined time.
- the frequency may be reduced to a predetermined value or less. In this case, the amount of air taken into the condenser decreases, and the amount of refrigerant condensed in the condenser decreases.
- the liquid refrigerant in the condenser is stored in the liquid reservoir (66) for a predetermined time. .
- a force that reduces the amount of refrigerant condensed in the condenser by controlling the driving of the air supply fan (25) or the exhaust fan (26).
- the amount of refrigerant condensed in the condensing device may be reduced. That is, for example, when the first heat exchange (61) functions as a condenser, the force or normal opening of the damper of the opening (51, 53, 55, 57) in the first heat exchange chamber (41) is set to a fully closed state. Degree, the amount of air taken into the first heat exchanger (61) is reduced, and the amount of refrigerant condensed in the condenser is reduced. That is, the present invention, if the air blow to the first heat exchanger (61) or the second heat exchanger (62) as a condenser is stopped or the air flow is reduced to a predetermined value or less, You can use any means.
- the humidity control operation of the humidity control device (10) will be described. In this humidity control device (10), switching between dehumidification operation and humidification operation is possible.
- the air supply fan (25) and the exhaust fan (26) are operated in the humidity control device (10).
- the humidity control device (10) takes in the outdoor air (OA) as the first air and supplies it to the room, while taking in the room air (RA) as the second air and discharges it to the outside.
- the first refrigeration cycle operation during the dehumidifying operation will be described with reference to FIGS. 3 and 4.
- the adsorbent is regenerated in the first heat exchange (61), and the outdoor air (OA) as the first air is dehumidified in the second heat exchanger (62).
- the four-way switching valve (64) is switched to the state indicated by the solid line in FIG.
- the compressor (63) is operated in this state, the refrigerant circulates in the refrigerant circuit (60), the first heat exchanger (61) becomes a condenser, and the second heat exchanger (62) becomes an evaporator.
- the first refrigeration cycle operation is performed.
- the refrigerant discharged from the compressor (63) radiates heat in the first heat exchange (61) and condenses, and then is sent to the expansion valve (65) to be decompressed.
- the decompressed refrigerant absorbs heat in the second heat exchanger (62), evaporates, and is then sucked into the compressor (63) and compressed. Then, the compressed refrigerant is discharged again from the compressor (63).
- the second air flowing from the indoor air suction port (22) flows from the second inflow path (45) to the first heat exchange chamber (41) through the fifth opening (55). Sent in. In the first heat exchange chamber (41), the second air passes through the first heat exchange (61) from top to bottom. In the first heat exchange (61), the adsorbent carried on the outer surface is heated by the refrigerant, and the moisture of the adsorbent is released. The desorbed water is released to the second air passing through the first heat exchange (61). The second air to which the moisture has been given by the first heat exchange (61) flows out of the first heat exchange chamber (41) through the third opening (53) to the first outflow path (44). After that, the second air is sucked into the exhaust fan (26), and is discharged from the exhaust air outlet (23) to the outside as exhaust air (EA).
- exhaust air exhaust air
- the first air flowing from the outdoor air suction port (21) is sent from the first inflow path (43) to the second heat exchange chamber (42) through the second opening (52).
- the first air passes through the second heat exchanger (62) upward and downward.
- the moisture in the first air is adsorbed on the adsorbent carried on the outer surface.
- the heat of adsorption generated at that time is absorbed by the refrigerant.
- the first air dehumidified by the second heat exchanger (62) flows out to the second outflow path (46) through the second heat exchange chamber (42) and the eighth opening (58). Thereafter, the first air is sucked into the air supply fan (25), and is supplied from the air supply outlet (24) as supply air (SA) into the room.
- the second refrigeration cycle operation during the dehumidifying operation will be described with reference to FIGS. 3 and 5.
- the adsorbent is regenerated in the second heat exchanger (62), and the outdoor air (OA) as the first air is dehumidified in the first heat exchanger (61).
- the four-way switching valve (64) is switched to the state on the broken line side in Fig. 3.
- the compressor (63) is operated in this state, the refrigerant circulates in the refrigerant circuit (60), the first heat exchanger (61) becomes an evaporator, and the second heat exchanger (62) condenses.
- a second refrigeration cycle operation is performed.
- the refrigerant discharged from the compressor (63) dissipates heat in the second heat exchange (62) and condenses, and then is sent to the expansion valve (65) to be decompressed.
- the decompressed refrigerant absorbs heat in the first heat exchange (61), evaporates, and is then sucked into the compressor (63) and compressed. Then, the compressed refrigerant is discharged again from the compressor (63).
- the dampers of the openings (51-58), the first opening (51), the fourth opening (54), and the sixth opening (56) are switched.
- the seventh opening (57) is in an open state
- the second opening (52), the third opening (53), the fifth opening (55), and the eighth opening (58) are in a closed state.
- outdoor air (OA) as first air is supplied to the first heat exchanger (61)
- indoor air (RA) as second air is supplied to the second heat exchanger (62). ) Is supplied.
- the second air flowing from the indoor air suction port (22) flows from the second inflow path (45) to the second heat exchange chamber (42) through the sixth opening (56). Sent in. In the second heat exchange chamber (42), the second air passes through the second heat exchange (62) from top to bottom. In the second heat exchange (62), the adsorbent carried on the outer surface is heated by the refrigerant, and the moisture of the adsorbent is released. The desorbed water is released to the second air passing through the second heat exchange (62). The second air to which water has been imparted by the second heat exchange (62) flows out to the first outflow path (44) through the fourth opening (54) of the second heat exchange chamber (42). Thereafter, the second air is sucked into the exhaust fan (26), and is exhausted from the exhaust air outlet (23) to the outside as exhaust air (EA).
- EA exhaust air
- the first air that has flowed in from the outdoor air suction port (21) is sent from the first inflow path (43) to the first heat exchange chamber (41) through the first opening (51).
- the first air also passes downward through the first heat exchange (61).
- moisture in the first air is adsorbed on the adsorbent carried on the outer surface.
- the heat of adsorption generated at that time is absorbed by the refrigerant.
- the first air dehumidified by the first heat exchanger (61) flows out of the first heat exchange chamber (41) through the seventh opening (57) to the second outflow passage (46). Thereafter, the first air is sucked into the air supply fan (25), and is supplied from the air supply outlet (24) as supply air (SA) into the room.
- the humidity control device (10) operates the air supply fan (25) and the exhaust fan (26).
- the humidity control device (10) takes in the room air (RA) as the first air and discharges it outside the room, while taking in the outdoor air (OA) as the second air and supplies it to the room.
- the first refrigeration cycle operation during the humidification operation will be described with reference to FIGS. 3 and 6.
- the outdoor air (OA) as the second air is humidified in the first heat exchange (61), and the indoor air (RA) as the first air in the second heat exchange (62).
- Power Moisture recovery is performed.
- the four-way switching valve (64) of the refrigerant circuit (60) is switched to the state indicated by the solid line in FIG. 3, and the first refrigeration cycle operation is performed.
- the dampers of the openings (51-58) are switched to form the first opening (51), the fourth opening (54), and the sixth opening (56).
- the seventh opening (57) is in an open state, and the second opening (52), the third opening (53), the fifth opening (55), and the eighth opening (58) are in a closed state.
- outdoor air (OA) as second air is supplied to the first heat exchanger (61), and indoor air as first air is supplied to the second heat exchanger (62). (RA) is supplied.
- the first air flowing from the indoor air suction port (22) flows from the second inflow path (45) to the second heat exchange chamber (42) through the sixth opening (56). Sent in.
- the first air passes through the second heat exchange (62) from top to bottom.
- the moisture in the first air is adsorbed by the adsorbent carried on the outer surface. The heat of adsorption generated at this time is absorbed by the refrigerant.
- the dehydrated first air passes through the fourth opening (54), the first outflow passage (44), and the exhaust fan (26) in this order, and is discharged from the exhaust outlet (23) as exhaust air (EA). It is discharged outside the room.
- the second air that has flowed in from the outdoor air suction port (21) is sent from the first inflow path (43) to the first heat exchange chamber (41) through the first opening (51).
- the second air also passes downward through the first heat exchange (61).
- the adsorbent carried on the outer surface is heated by the refrigerant, and the moisture of the adsorbent is released. Moisture that has also desorbed from this adsorbent is transferred to the second air passing through the first heat exchange (61). Released.
- the humidified second air passes through the seventh opening (57), the second outflow passage (46), and the air supply fan (25) in this order, and is supplied from the air supply outlet (24) as supply air (SA). Supplied indoors.
- the second refrigeration cycle operation during the humidification operation will be described with reference to FIG. 3 and FIG.
- the second air (62) humidifies the outdoor air (OA) as the second air
- the first heat exchanger (61) humidifies the indoor air as the first air.
- Air (RA) power Moisture recovery is performed.
- the four-way switching valve (64) of the refrigerant circuit (60) is switched to the state indicated by the broken line in FIG. 3, and the second refrigeration cycle operation is performed.
- the dampers of the openings (51-58), the second opening (52), the third opening (53), and the fifth opening (55) are switched.
- the eighth opening (58) is in an open state, and the first opening (51), the fourth opening (54), the sixth opening (56), and the seventh opening (57) are in a closed state.
- the first heat exchanger (61) is supplied with indoor air (RA) as the first air
- the second heat exchanger (62) is supplied with the outdoor air as the second air. (OA) is supplied.
- the first air flowing from the indoor air suction port (22) flows from the second inflow path (45) to the first heat exchange chamber (41) through the fifth opening (55). Sent in.
- the first air passes through the first heat exchanger (61) from top to bottom.
- the moisture in the first air is adsorbed by the adsorbent carried on the outer surface. The heat of adsorption generated at this time is absorbed by the refrigerant.
- the dewatered first air passes through the third opening (53), the first outflow passage (44), and the exhaust fan (26) in order, and is discharged from the exhaust outlet (23) as exhaust air (EA). It is discharged outside the room.
- the second air that has flowed in from the outdoor air suction port (21) is sent from the first inflow path (43) through the second opening (52) to the second heat exchange chamber (42).
- the second air passes through the second heat exchanger (62) upward and downward.
- the adsorbent carried on the outer surface is heated by the refrigerant, and the moisture of the adsorbent is released.
- the water that has also desorbed from the adsorbent is applied to the second air passing through the second heat exchange (62).
- the humidified second air is supplied to the eighth opening (58), the second outflow passage (46),
- the air passes through the fan (25) in order and is supplied to the room from the air supply outlet (24) as supply air (SA).
- the dehumidifying operation and the humidifying operation are continuously performed by repeating the first refrigeration cycle operation and the second refrigeration cycle operation.
- the circulation of the refrigerant in the refrigerant circuit (60) at the time of switching between the first refrigeration cycle operation and the second refrigeration cycle operation will be described.
- the refrigerant circuit (60) When the refrigerant circulation in the refrigerant circuit (60) is switched from the first refrigeration cycle operation to the second refrigeration cycle operation or the second refrigeration cycle operation force, the refrigerant circuit (60) The evaporator (low pressure state) and condenser (high pressure state) in () are instantaneously switched.
- the first heat exchanger (61) is switched to a condenser-capacitor evaporator, that is, the high-pressure line is switched to a low-pressure line.
- the excess liquid refrigerant in the high-pressure line in the high-pressure line is absorbed and stored in the liquid reservoir (66), so that no excess liquid refrigerant is interposed in the low-pressure line.
- the first heat exchanger (61) which is an evaporator, evaporates, and is sucked into the compressor (63) as gas refrigerant.
- the exhaust fan (26) which is a fan of the second heat exchanger (62)
- the exhaust fan (26) is stopped for a predetermined time before switching to the low pressure line, so that the inside of the second heat exchanger (62)
- the liquid refrigerant flows as it is without being condensed and intervenes, and the liquid refrigerant flows into and accumulates in the liquid reservoir (66).
- the high-pressure line is switched to the low-pressure line, no liquid refrigerant is interposed in the second heat exchanger (62), so that the liquid refrigerant is prevented from flowing into the compressor (63).
- the operation of the second refrigeration cycle is switched to the first refrigeration cycle in the same manner as in the above-described refrigerant circulation.
- the liquid reservoir (66) capable of storing the liquid refrigerant is provided, and the excess refrigerant when the refrigerant circulation is switched is absorbed in a high pressure state. This can prevent the generation of excess refrigerant in the low pressure line that has been switched to. This allows only the necessary amount of refrigerant to flow into the evaporator and evaporates, so that the flow of liquid refrigerant into the compressor (63) can be suppressed. As a result, highly reliable operation can be performed continuously.
- an expansion valve (65) is provided in the one-way passage (71) through which the refrigerant always flows in the negative direction by the direction control circuit (72), and a liquid reservoir ( The provision of 66) makes it possible to reliably absorb the high-pressure excess refrigerant in the high-pressure line into the liquid reservoir (66).
- a circulation switching unit (91) for switching the refrigerant circulation after stopping the air supply fan (25) or the exhaust fan (26) of the heat exchanger (61, 62) functioning as a condenser for a predetermined time is provided. Since the controller is provided in the controller (90), the amount of refrigerant condensed in the condenser can be reduced and the liquid coolant can flow into the liquid reservoir (66). In other words, the liquid refrigerant in the condenser is allowed to flow into the liquid reservoir (66) for a predetermined time to be stored. Thereby, since the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, the inflow of the liquid refrigerant to the compressor (63) can be further suppressed.
- the humidity control apparatus (10) of the second embodiment is a modification of the configuration of the circulation switching unit (91) of the controller (90) in the first embodiment. That is, in the present embodiment, the circulation switching unit (91) is configured to switch the refrigerant circulation after increasing the frequency of the compressor (63) to a predetermined value or more for a predetermined time.
- the circulation speed of the refrigerant in the condenser increases.
- the inflowing refrigerant flows as it is without being completely condensed, and the intervening liquid refrigerant flows into the liquid reservoir (66). That is, the liquid refrigerant in the condenser can be stored in the liquid reservoir (66) during the predetermined time. Therefore, since the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, it is possible to suppress the liquid refrigerant from flowing into the compressor (63).
- Other configurations, operations, and effects are the same as those of the first embodiment.
- the humidity control device (10) of the third embodiment is a modification of the configuration of the circulation switching unit (91) of the controller (90) in the first embodiment. That is, in the present embodiment, the expansion valve (65) is opened.
- the circulation switching unit (91) is configured to switch the refrigerant circulation after the degree is made smaller than the normal opening degree for a predetermined time.
- the high pressure state in the high pressure line increases, and the pressure of the liquid refrigerant in the liquid reservoir (66) always located in the high pressure line also increases.
- the pressure in the liquid reservoir (66) is higher than the predetermined high pressure state, the pressure in the high pressure line becomes the predetermined high pressure state earlier than usual. That is, the time of the transition period can be shortened. Therefore, the pressure state at the time of switching of the refrigerant circulation is quickly and stabilized, so that the operation efficiency can be improved.
- Other configurations, operations, and effects are the same as those of the first embodiment.
- the humidity control apparatus (10) of the fourth embodiment has a configuration in which the gas reservoir (66) of the first embodiment is provided with a degassing pipe (81).
- the degassing pipe (81) is connected to the suction side of the compressor (63).
- the gas vent pipe (81) is provided with an on-off valve (82) as a flow path opening / closing means.
- the gas refrigerant in the liquid reservoir (66) flows through the gas vent pipe (81) and is sucked into the compressor (63).
- the circulation switching section (91) is configured to switch the refrigerant circulation after the on-off valve (82) is opened for a predetermined time.
- the gas refrigerant in the liquid reservoir (66) is sucked into the compressor (63) through the degassing pipe (81) for a predetermined time before switching the refrigerant circulation.
- the pressure in (66) decreases.
- the liquid refrigerant such as the condenser is sucked into the liquid reservoir (66). That is, the liquid refrigerant in the condenser can be stored in the liquid reservoir (66) during the predetermined time. Therefore, the liquid refrigerant does not intervene in the evaporator when the refrigerant circulation is switched, and the flow of the liquid refrigerant into the compressor (63) can be suppressed.
- Other configurations, operations, and effects are the same as those of the first embodiment.
- the humidity control apparatus (10) of the fifth embodiment is a modification of the configuration of the refrigerant circuit (60) in the first embodiment. That is, the first embodiment has the direction control circuit (72 ) Or the like, the liquid reservoir (66) is always positioned in the high-pressure line.In this embodiment, the liquid reservoir (66) is configured by using two expansion valves (65, 67). At least during steady state, it is located in the high pressure line.
- a first expansion valve (65) and a second expansion valve (67) are provided between the first heat exchange (61) and the second heat exchange (62). ) are provided in series.
- the liquid reservoir (66) is provided between the first expansion valve (65) and the second expansion valve (67) in the refrigerant circuit (60).
- the first expansion valve (65) and the second expansion valve (67) both constitute an expansion mechanism.
- the liquid reservoir (66) is always located in the high-pressure line during the steady state of both the first refrigeration cycle operation and the second refrigeration cycle operation. Thereby, even if the refrigerant circulation in the refrigerant circuit (60) is switched, it is possible to reliably absorb and store the excess high-pressure liquid refrigerant in the high-pressure line in the liquid reservoir (66).
- Other configurations, operations, and effects are the same as those of the first embodiment.
- the configuration of the circulation switching unit (91) of the controller (90) is changed to the same configuration as that of the circulation switching unit (91) in the second or third embodiment.
- the gas vent pipe (81) in the fourth embodiment may be provided between the liquid reservoir (66) and the suction side of the compressor (63)!
- the direction control circuit (72) formed of a bridge circuit is used as the rectification mechanism in the storage circuit (70), but the rectification mechanism uses a four-way switching valve as a flow path switching means. Is also good. Industrial applicability
- the present invention is useful as a humidity control device that alternately performs the adsorption and desorption of moisture in an adsorbent by switching the refrigerant circulation in a refrigerant circuit.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Air Humidification (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Central Air Conditioning (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-104845 | 2004-03-31 | ||
| JP2004104845A JP3744524B2 (ja) | 2004-03-31 | 2004-03-31 | 調湿装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005098322A1 true WO2005098322A1 (ja) | 2005-10-20 |
Family
ID=35125162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/005548 Ceased WO2005098322A1 (ja) | 2004-03-31 | 2005-03-25 | 調湿装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3744524B2 (ja) |
| WO (1) | WO2005098322A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5195216B2 (ja) * | 2008-09-19 | 2013-05-08 | ダイキン工業株式会社 | 調湿システム |
| JP2011196610A (ja) * | 2010-03-19 | 2011-10-06 | Panasonic Corp | 冷凍サイクル装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114469U (ja) * | 1982-01-29 | 1983-08-04 | 株式会社竹中工務店 | ヒ−トポンプ式冷暖房装置 |
| JPH05264134A (ja) * | 1992-03-23 | 1993-10-12 | Daikin Ind Ltd | 冷凍装置の運転制御装置 |
| JPH05264113A (ja) * | 1992-03-23 | 1993-10-12 | Daikin Ind Ltd | 空気調和装置の運転制御装置 |
| JP2001280767A (ja) * | 2000-03-29 | 2001-10-10 | Daikin Ind Ltd | 冷凍装置 |
| JP2003161465A (ja) * | 2001-11-26 | 2003-06-06 | Daikin Ind Ltd | 調湿装置 |
-
2004
- 2004-03-31 JP JP2004104845A patent/JP3744524B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-25 WO PCT/JP2005/005548 patent/WO2005098322A1/ja not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114469U (ja) * | 1982-01-29 | 1983-08-04 | 株式会社竹中工務店 | ヒ−トポンプ式冷暖房装置 |
| JPH05264134A (ja) * | 1992-03-23 | 1993-10-12 | Daikin Ind Ltd | 冷凍装置の運転制御装置 |
| JPH05264113A (ja) * | 1992-03-23 | 1993-10-12 | Daikin Ind Ltd | 空気調和装置の運転制御装置 |
| JP2001280767A (ja) * | 2000-03-29 | 2001-10-10 | Daikin Ind Ltd | 冷凍装置 |
| JP2003161465A (ja) * | 2001-11-26 | 2003-06-06 | Daikin Ind Ltd | 調湿装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005291574A (ja) | 2005-10-20 |
| JP3744524B2 (ja) | 2006-02-15 |
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