CN104864495A - Air conditioner device - Google Patents

Air conditioner device Download PDF

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Publication number
CN104864495A
CN104864495A CN201410059992.5A CN201410059992A CN104864495A CN 104864495 A CN104864495 A CN 104864495A CN 201410059992 A CN201410059992 A CN 201410059992A CN 104864495 A CN104864495 A CN 104864495A
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CN
China
Prior art keywords
switching
shifter
aircondition
heat exchanger
indoor
Prior art date
Application number
CN201410059992.5A
Other languages
Chinese (zh)
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CN104864495B (en
Inventor
岡本敦
Original Assignee
大金工业株式会社
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Priority to CN201410059992.5A priority Critical patent/CN104864495B/en
Publication of CN104864495A publication Critical patent/CN104864495A/en
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Publication of CN104864495B publication Critical patent/CN104864495B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14Heat exchangers specially adapted for separate outdoor units
    • F24F1/16Arrangement or mounting thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26Refrigerant piping
    • F24F1/32Refrigerant piping for connecting the separate outdoor units to indoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode

Abstract

An air conditioner comprises an outdoor unit and a dehumidifying reheating indoor unit. The air conditioner device can avoid the phenomenon that the temperature distribution of the airflow provided by the dehumidifying reheating indoor unit for a room is uneven and fully develops the action of a dehumidifying heat exchanger and a reheating heat exchanger of the dehumidifying reheating indoor unit. The outdoor unit of the air conditioner device comprises a compression mechanism and an outdoor heat exchanger, and the dehumidifying reheating indoor unit comprises the dehumidifying heat exchanger and a first indoor side refrigerating agent adjusting device; a suction pipe, an exhaust pipe, a first distribution pipe and a second distribution pipe are utilized by the air conditioner device for connecting the compression mechanism, the outdoor heat exchanger, the first indoor side refrigerating agent adjusting device and the dehumidifying heat exchanger; the air conditioner device further comprises a reheating heat exchanger, a second indoor side refrigerating agent adjusting device, a third distribution pipe and a forked pipe; and a first intersection portion, between the first indoor side refrigerating agent adjusting device and the outdoor heat exchanger, of the first distribution pipe, the second indoor side refrigerating agent adjusting device, the reheating heat exchanger and the forked pipe are sequentially connected through the third distribution pipe.

Description

Aircondition
Technical field
The present invention relates to aircondition.
Background technology
Along with the raising of people's living standard, people highlight day by day to the demand that living environment controls, therefore, the function of aircondition also from single adjustment temperature gradually to diversified development.At moist area of heavy rainfull and plum rain season, the humidity of air is higher, and cause body sense uncomfortable, therefore, the aircondition with moisture control function just arises at the historic moment.
Aircondition adopts following principle to dehumidify usually: by making air flow through the heat exchanger of surface temperature lower than air dew point, make air setting, thus by the moisture removal in air.According to above-mentioned dehumidification principle, the lower then effect on moisture extraction of surface temperature of known heat exchanger is better.But although can reduce humidity after low temperature dehumidification, air themperature also declines thereupon, therefore, having in the environment of requirement to effect on moisture extraction and temperature, such as bathroom etc., heat again (below also referred to as reheating), to maintain the comfort level of body sense after just needing to dehumidify to air.
For realizing reheat dehumidification, usually as shown in Figure 7, the structure at the wind path added downstream electric heating unit 29X except wet heat exchanger 21X is adopted.But, electric heating unit utilizes heating (such as heating wire etc.) to be heat energy by electric energy conversion usually, absorbs heat thus improves leaving air temp, therefore, can bring the increase of energy consumption when air is flowed through.In addition, the air-flow after electrical heating elements heat exchange can cause the temperature distributing disproportionation of air-flow even because being heated uneven, reduces comfort.
For realizing reheat dehumidification, also can consider to adopt the structure disclosed in patent document CN1590890A, as shown in Figure 8, to be connected in indoor refrigerant loop except wet heat exchanger 21X1 and reheating heat exchanger 22X, and successively will be arranged in wind path except wet heat exchanger 21X1 and reheating heat exchanger 22X, throttling arrangement 25X is set in pipeline betwixt.But, when utilizing said structure to carry out reheat dehumidification, owing to first being taken away by air-flow for heating with the cold-producing medium heat of a part, be used further to refrigeration, therefore except wet heat exchanger 21X1 and reheating heat exchanger 22X can not play one's part to the full, namely dehumidify insufficient, add heat also not enough.
Summary of the invention
The present invention completes in view of the above problems, its object is to provide a kind of aircondition comprising outdoor unit and dehumidifying reheating indoor unit, the temperature distributing disproportionation of the air-flow that its reheating indoor unit of avoiding dehumidifying provides to indoor is even, and can give full play to the effect except wet heat exchanger and heat-heat exchanger again of dehumidifying reheating indoor unit.
For achieving the above object, the aircondition of first aspect present invention comprises outdoor unit and dehumidifying reheating indoor unit, described outdoor unit comprises compressing mechanism and outdoor heat converter, described dehumidifying reheating indoor unit comprises except wet heat exchanger and the first indoor refrigerant adjusting device, described aircondition also comprises: the discharge pipe be connected with the discharge side of described compressing mechanism, the suction line be connected with the suction side of described compressing mechanism, connect described discharge pipe successively, described outdoor heat converter, described first indoor refrigerant adjusting device, described the first pipe arrangement except wet heat exchanger, and connect described the second pipe arrangement removing wet heat exchanger and described suction line, thus formation loop dehumidification, described dehumidifying reheating indoor unit also comprises heat-heat exchanger again, second indoor refrigerant adjusting device and the thermocirculator for the heat of described dehumidifying reheating indoor unit or cold being sent into indoor, the bifurcated pipe that described aircondition also comprises the 3rd pipe arrangement and diverges out from described discharge pipe, described 3rd pipe arrangement is by the first intersection of described first pipe arrangement, described second indoor refrigerant adjusting device, described heat-heat exchanger is again connected successively with described bifurcated pipe, thus formation reheat loop, wherein, described first intersection is between described first indoor refrigerant adjusting device and described outdoor heat converter.
The aircondition of second aspect present invention is on the basis of the aircondition of first aspect present invention, described outdoor unit also comprises the first switching device shifter, this first switching device shifter can switch between the first switching device shifter first switching state and the first switching device shifter second switching state, under described first switching device shifter first switching state, described first switching device shifter makes described first pipe arrangement be communicated with described suction line and described second pipe arrangement is communicated with described discharge pipe, under described first switching device shifter second switching state, described first switching device shifter makes described first pipe arrangement be communicated with described discharge pipe and described second pipe arrangement is communicated with described suction line.
The aircondition of third aspect present invention is on the basis of the aircondition of second aspect present invention, described aircondition also comprises the second switching device shifter, this second switching device shifter can switch between the second switching device shifter first switching state and the second switching device shifter second switching state, under described second switching device shifter first switching state, described second switching device shifter makes described 3rd pipe arrangement be communicated with described bifurcated pipe, under described second switching device shifter second switching state, described second switching device shifter makes described 3rd pipe arrangement be communicated with described suction line.
The aircondition of fourth aspect present invention is on the basis of the aircondition of third aspect present invention, and described first switching device shifter is cross valve.
The aircondition of fifth aspect present invention is on the basis of the aircondition of third aspect present invention, and described second switching device shifter is arranged in described outdoor unit.
The aircondition of sixth aspect present invention is on the basis of the aircondition of first aspect present invention, and described first indoor refrigerant adjusting device and described second indoor refrigerant adjusting device are motor-driven valve or magnetic valve.
The aircondition of seventh aspect present invention is on the basis of the aircondition of first aspect present invention, described thermocirculator is air-supply arrangement, is describedly arranged in the circulation path of the air-flow formed by described air-supply arrangement except wet heat exchanger and described heat-heat exchanger again.
The aircondition of eighth aspect present invention is on the basis of the aircondition of seventh aspect present invention, on described circulation path, described except wet heat exchanger be arranged on described in the upstream side of heat-heat exchanger or downstream again, or, on described circulation path, described except described in wet heat exchanger again heat-heat exchanger be arranged side by side.
The aircondition of ninth aspect present invention is on the basis of the aircondition of first aspect present invention, and described suction line is provided with device for storing liquid.
The aircondition of tenth aspect present invention is on the basis of the aircondition of first aspect present invention, described aircondition also comprises: the first tube connector diverged out from the second intersection of described first pipe arrangement, and from the second tube connector that described second pipe arrangement diverges out, described second intersection is between described first indoor refrigerant adjusting device and described outdoor heat converter, described aircondition also comprises multiple indoor unit, and described multiple indoor unit is connected in parallel on described first tube connector and described second tube connector.
The aircondition of the present invention the 11 aspect is on the basis of the aircondition of first aspect present invention, described thermocirculator is water circle device, and heat or cold are sent into indoor by the described recirculated water passing through to flow in described water circle device except wet heat exchanger and described heat-heat exchanger again.
The aircondition of the present invention the 12 aspect be first aspect present invention to the 11 in either side aircondition basis on, described aircondition comprises multiple described outdoor unit, first pipe arrangement of multiple described outdoor unit confluxes, second pipe arrangement of multiple described outdoor unit confluxes, and the 3rd pipe arrangement of multiple described outdoor unit confluxes.
The control method of the aircondition of the present invention the 13 aspect, for controlling the aircondition of either side in third aspect present invention to the 12 aspect, control unit is utilized to make described aircondition at first mode, second pattern, 3rd switches between pattern and four-mode, in the first mode, described first switching device shifter is switched to described first switching device shifter first switching state, and described second switching device shifter is switched to described second switching device shifter first switching state, in the second mode, described first switching device shifter is switched to described first switching device shifter second switching state, and described second switching device shifter is switched to described second switching device shifter second switching state, under described 3rd pattern, described first switching device shifter is switched to described first switching device shifter second switching state, and described second switching device shifter is switched to described second switching device shifter first switching state, under described four-mode, described first switching device shifter is switched to described first switching device shifter second switching state, and described second switching device shifter is switched to described second switching device shifter second switching state, and described thermocirculator is shut down.
The aircondition of fourteenth aspect of the present invention is on the basis of the control method of the aircondition in the present invention the 13, under described 3rd pattern, makes described aircondition carry out defrosting running.
According to aircondition of the present invention, while utilization dehumidifies dehumidifying to room air except wet heat exchanger of reheating indoor unit, the heat-heat exchanger again of dehumidifying reheating indoor unit can be utilized to carry out reheating to room air.Therefore, with in the wind path formed at indoor fan except wet heat exchanger added downstream electric heating unit structure compared with, can energy consumption be reduced, and dehumidifying reheating indoor unit can be avoided even to the temperature distributing disproportionation of the air of indoor supply, improve the comfort of indoor occupant.In addition, as compared to by the structure be successively set in the wind path that indoor fan formed except wet heat exchanger and heat-heat exchanger be again connected in indoor refrigerant loop, can make except wet heat exchanger and again heat-heat exchanger can play one's part to the full, thus avoid dehumidifying insufficient with add shortage of heat.In addition, because a part of used heat that script outdoor unit can be entered air is used for heat-heat exchanger again, realizes Waste Heat Reuse, therefore can improve observable index, realize energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the refrigerant loop structure of the aircondition representing embodiment of the present invention 1.
Fig. 2 is the schematic diagram of the refrigerant loop structure of the aircondition representing embodiment of the present invention 2.
Fig. 3 is the schematic diagram of the refrigerant loop structure of the aircondition representing embodiment of the present invention 3.
Fig. 4 is the schematic diagram of the refrigerant loop structure of the aircondition representing embodiment of the present invention 4.
Fig. 5 is the schematic diagram of the refrigerant loop structure of the aircondition representing embodiment of the present invention 5.
Fig. 6 is the schematic diagram of the variation representing aircondition of the present invention.
Fig. 7 is the schematic diagram representing existing reheat dehumidification loop structure.
Fig. 8 is the schematic diagram representing another existing reheat dehumidification loop structure.
(symbol description)
1,1A, 1B, 1C, 1D aircondition
100,100 ', 100 " 100 " A outdoor unit
11 compressors
12 outdoor heat converters
13 outdoor fans
14 fluid reservoirs
200 dehumidifying reheating indoor units
200A indoor unit
200B indoor unit
21 except wet heat exchanger
22 heat-heat exchangers again
23 indoor fans
V1 four-way switching valve
V2 valve
V3 four-way switching valve
V4 throttling arrangement
V5 valve
V6 valve
PO discharge pipe
PI suction line
P1, P1A first pipe arrangement
P2, P2A second pipe arrangement
P3, P3A the 3rd pipe arrangement
P4 ~ P6 bifurcated pipe
P5 ' manages
P7 first tube connector
P8 second tube connector
K0 ~ K11 point
Detailed description of the invention
Below, be described with reference to each embodiment of accompanying drawing to aircondition of the present invention.
(1) embodiment 1
First, be described with reference to the basic structure of Fig. 1 to the aircondition 1 of embodiment 1.
As shown in Figure 1, the aircondition 1 of present embodiment comprises outdoor unit 100 and dehumidifying reheating indoor unit 200, wherein, described outdoor unit 100 has: as compressor 11, outdoor heat converter 12, outdoor fan 13, the valve V2 as outside refrigerant adjusting device, the fluid reservoir 14 as device for storing liquid of compressing mechanism, described dehumidifying reheating indoor unit 200 have as the first indoor heat converter except wet heat exchanger 21 and the valve V5 as the first indoor refrigerant adjusting device.Herein, valve V5 can use motor-driven valve or magnetic valve.
In addition, as shown in Figure 1, the aircondition 1 of present embodiment utilizes the first pipe arrangement group by the discharge side of compressor 11, outdoor heat converter 12, valve V2, valve V5, except wet heat exchanger 21, fluid reservoir 14 is connected successively with the suction side of compressor 11 and forms loop dehumidification, wherein, described first pipe arrangement group comprises the discharge pipe PO of series connection, first pipe arrangement P1, second pipe arrangement P2 and suction line PI, and, described discharge pipe PO is connected with the discharge side of compressor 11, described first pipe arrangement P1 is by discharge pipe PO, outdoor heat converter 12, valve V2, valve V5 is connected successively with except wet heat exchanger 21, described second pipe arrangement P2 will be connected with suction line PI except wet heat exchanger 21, described suction line PI is connected with the suction side of compressor 11.Herein, discharge pipe PO extends to the some K0 Fig. 1 always from the discharge side of compressor 11, first pipe arrangement P1 extends to the upstream-side-end in the flow of refrigerant direction (arrow with reference in Fig. 1) except wet heat exchanger 21 from the some K0 Fig. 1 always, second pipe arrangement P2 extends to the some K1 Fig. 1 always from the end of downstream side in the flow of refrigerant direction except wet heat exchanger 21, suction line PI extends to the suction side of compressor 11 from the some K1 Fig. 1 always, and fluid reservoir 14 is arranged on the midway of suction line PI.
Next, be described with reference to the feature structure of Fig. 1 to the aircondition 1 of embodiment 1.
As shown in Figure 1, the dehumidifying reheating indoor unit 200 of the aircondition 1 of present embodiment except as the first indoor heat converter except wet heat exchanger 21 and the valve V5 as the first indoor refrigerant adjusting device, also comprise: as the reheating heat exchanger 22 of the second indoor heat converter; As the air-supply arrangement of thermocirculator, i.e. indoor fan 23; And as the valve V6 of the second indoor refrigerant adjusting device; Further, except wet heat exchanger 21 and reheating heat exchanger 22 are arranged in the circulation path of the air formed by indoor fan 23.Herein, valve V6 can use motor-driven valve or magnetic valve.In addition, on the circulation path of the air formed by indoor fan 23, except wet heat exchanger 21 is arranged on the upstream side of reheating heat exchanger 22.
In addition, as shown in Figure 1, the aircondition 1 of present embodiment utilizes the second pipe arrangement group the half-way of discharge pipe PO, reheating heat exchanger 22, valve V6 to be connected successively with the half-way of the first pipe arrangement P1 and to form reheat loop, wherein, described second pipe arrangement group comprises bifurcated pipe P4 and the 3rd pipe arrangement P3 of series connection, and, described bifurcated pipe P4 diverges out from the half-way of discharge pipe PO, and bifurcated pipe P4, reheating heat exchanger 22, valve V6 are connected with the half-way of the first pipe arrangement P1 by described 3rd pipe arrangement P3 successively.Herein, bifurcated pipe P4 diverges from the some K2 Fig. 1 and extends to the some K4 in Fig. 1 always, and the some K5(that the 3rd pipe arrangement P3 extends in the Fig. 1 between valve V2 and valve V5 from the some K4 Fig. 1 is always equivalent to the first intersection of the present invention).
In addition, the aircondition 1 of present embodiment also comprises control unit (not shown), and this control unit is used for controlling the action of the parts such as compressor 11, outdoor fan 13, valve V2, indoor fan 23, valve V5, valve V6 of aircondition 1.
Based on said structure, the aircondition 1 of present embodiment can operate under dehumidifying reheating operation mode.
Next, the running that the aircondition 1 of present embodiment carries out under dehumidifying reheating operation mode is described.
After aircondition 1 starts, compressor 11 pairs of cold-producing mediums of outdoor unit 100 compress, a part for the cold-producing medium of discharging after compression in compressor 11 is transported to outdoor heat converter 12, and the remainder of the cold-producing medium of discharging after compression in compressor 11 is then transported to the reheating heat exchanger 22 of dehumidifying reheating indoor unit 200.
The cold-producing medium being transported to outdoor heat converter 12 carries out heat exchange with the outdoor air sent here by outdoor fan 13 in outdoor heat converter 12, then flows through valve V2.The cold-producing medium flow through after valve V2 is transported to dehumidifying reheating indoor unit 200.
On the other hand, the cold-producing medium being transported to the reheating heat exchanger 22 of dehumidifying reheating indoor unit 200 carries out heat exchange with the room air sent here by indoor fan 23 in reheating heat exchanger 22, thus heats (below also referred to as reheating) room air again.Cold-producing medium carry out heat exchange with room air in reheating heat exchanger 22 after flows through valve V6, then, confluxes with the cold-producing medium that unit 100 is transported to via the first pipe arrangement P1 the reheating indoor unit 200 that dehumidifies outdoor.
Cold-producing medium after confluxing flows through the valve V5 of dehumidifying reheating indoor unit 200, then, be transported to except wet heat exchanger 21, the cold-producing medium be transported to except wet heat exchanger 21 carries out heat exchange with the room air sent here by indoor fan 23, thus dehumidifies to room air in this is except wet heat exchanger 21.Be transported to outdoor unit 100 except in wet heat exchanger 21 with the cold-producing medium after room air carries out heat exchange, and turning back in compressor 11 via fluid reservoir 14.
Aircondition 1 according to the present embodiment, dehumidifying reheating indoor unit 200 comprise to carry out with the air sent here by indoor fan 23 heat exchange except wet heat exchanger 21 and reheating heat exchanger 22, while utilization dehumidifies dehumidifying to the room air sent here by indoor fan except wet heat exchanger 21 of reheating indoor unit 200, the reheating heat exchanger 22 of dehumidifying reheating indoor unit 200 can be utilized to carry out reheating to the room air sent here by indoor fan.Therefore, with in the wind path formed at indoor fan except wet heat exchanger added downstream electric heating unit structure compared with, the aircondition 1 of present embodiment can reduce energy consumption, and dehumidifying reheating indoor unit can be avoided even to the temperature distributing disproportionation of the air of indoor supply, improve the comfort of indoor occupant.In addition, as compared to by the structure be successively set in the wind path that indoor fan formed except wet heat exchanger and heat-heat exchanger be again connected in indoor refrigerant loop, the aircondition 1 of present embodiment can make except wet heat exchanger and again heat-heat exchanger can play one's part to the full, thus avoid dehumidifying insufficient with add shortage of heat.In addition, because a part of used heat that script outdoor unit can be entered air is used for heat-heat exchanger again, realizes Waste Heat Reuse, therefore can improve observable index, realize energy-conserving and environment-protective.
(2) embodiment 2
Fig. 2 is the schematic diagram of the loop structure of the aircondition 1A representing embodiment of the present invention 2.The aircondition 1A of present embodiment is substantially identical in configuration aspects with the aircondition 1 of above-mentioned embodiment 1, at this, identical sign flag is marked to the parts identical with above-mentioned embodiment 1, and by with the difference of above-mentioned embodiment 1 centered by be described.
In the present embodiment, as shown in Figure 2, outdoor unit 100 ' comprises the four-way switching valve V1 as the first switching device shifter, this four-way switching valve V1 connects discharge pipe PO, first pipe arrangement P1, second pipe arrangement P2 and suction line PI, and can switch between the first switching state and the second switching state, under described first switching state, four-way switching valve V1 makes the first pipe arrangement P1 be communicated with suction line PI and the second pipe arrangement P2 is communicated with discharge pipe PO, under described second switching state, four-way switching valve V1 makes the first pipe arrangement P1 be communicated with discharge pipe PO and the second pipe arrangement P2 is communicated with suction line PI.
Based on said structure, the aircondition 1A of present embodiment operates in a heating mode by the four-way switching valve V1 of outdoor unit 100 ' is switched to the first switching state, and by the four-way switching valve V1 of outdoor unit 100 ' being switched to the second switching state and operating dehumidifying again under heat pattern.
Because the aircondition 1A of present embodiment is identical in the running carried out under heat pattern of dehumidifying again at the aircondition 1 of dehumidify the again running carried out under heat pattern and above-mentioned embodiment 1, therefore the description thereof will be omitted.At this, with reference to Fig. 2, only the running that the aircondition 1A of present embodiment carries out in a heating mode is described.
In a heating mode, aircondition 1A utilizes control unit that the four-way switching valve V1 of outdoor unit 100 ' is switched to the first switching state, to be communicated with and the second pipe arrangement P2 is communicated with discharge pipe PO to make the first pipe arrangement P1 with suction line PI.
In this case, compressor 11 pairs of cold-producing mediums of outdoor unit 100 ' compress, the part of cold-producing medium of discharging after compression in compressor 11 be transported to dehumidifying reheating indoor unit 200 except wet heat exchanger 21, the remainder of the cold-producing medium of discharging after compression compressor 11 in is then transported to the reheating heat exchanger 22 of the reheating indoor unit 200 that dehumidifies.
The cold-producing medium except wet heat exchanger 21 being transported to dehumidifying reheating indoor unit 200 is carrying out heat exchange with the room air sent here by indoor fan 23 in wet heat exchanger 21, thus heats room air.After carry out heat exchange with room air in wet heat exchanger 21, cold-producing medium flows through valve V5.
On the other hand, the cold-producing medium being transported to the reheating heat exchanger 22 of dehumidifying reheating indoor unit 200 carries out heat exchange with the room air sent here by indoor fan 23 in reheating heat exchanger 22, thus heats room air.Carry out heat exchange with room air in reheating heat exchanger 22 after, cold-producing medium flows through valve V6.
The cold-producing medium flowing through valve V5 and the cold-producing medium flowing through valve V6 conflux, and then, are transported to outdoor unit 100 ', and flow through valve V2.The cold-producing medium flow through after valve V2 is transported to outdoor heat converter 12, in outdoor heat converter 12, carry out heat exchange with the outdoor air sent here by outdoor fan 13.Cold-producing medium carry out heat exchange with outdoor air in outdoor heat converter 12 after turns back in compressor 11 via fluid reservoir 14.
Aircondition 1A according to the present embodiment, by the four-way switching valve V1 of outdoor unit 100 ' is switched to the first switching state, can make except wet heat exchanger 21 and reheating heat exchanger 22 all work as condenser, to heat room air.Therefore, overall efficiency can be improved.
In addition, aircondition 1A according to the present embodiment, by the four-way switching valve V1 of outdoor unit 100 ' is switched to the second switching state, the same with above-mentioned embodiment 1, utilize dehumidifying reheating indoor unit 200 except wet heat exchanger 21 is to while being sent the room air of 23 to dehumidify by indoor fan, can utilize the reheating heat exchanger 22 of the reheating indoor unit 200 that dehumidifies to carry out reheating to the room air sent here by indoor fan 23.Therefore, with in the wind path formed at indoor fan except wet heat exchanger added downstream electric heating unit structure compared with, the aircondition 1A of present embodiment can reduce energy consumption, and dehumidifying reheating indoor unit can be avoided even to the temperature distributing disproportionation of the air of indoor supply, improve the comfort of indoor occupant.In addition, as compared to by the structure be successively set in the wind path that indoor fan formed except wet heat exchanger and heat-heat exchanger be again connected in indoor refrigerant loop, the aircondition 1A of present embodiment can make except wet heat exchanger and again heat-heat exchanger can play one's part to the full, thus avoid dehumidifying insufficient with add shortage of heat.In addition, because a part of used heat that script outdoor unit can be entered air is used for heat-heat exchanger again, realizes Waste Heat Reuse, therefore can improve observable index, realize energy-conserving and environment-protective.
(3) embodiment 3
Fig. 3 is the schematic diagram of the loop structure of the aircondition 1B representing embodiment of the present invention 3.The aircondition 1B of present embodiment is substantially identical in configuration aspects with the aircondition 1A of above-mentioned embodiment 2, at this, identical sign flag is marked to the parts identical with above-mentioned embodiment 2, and by with the difference of above-mentioned embodiment 2 centered by be described.
In the present embodiment, as shown in Figure 3, the outdoor unit 100 of aircondition 1B " comprise bifurcated pipe P5, bifurcated pipe P6, throttling arrangement V4 and the four-way switching valve V3 as the second switching device shifter.Herein, described bifurcated pipe P5 diverges out from the some K6 Fig. 3 of suction line PI, described bifurcated pipe P6 diverges out from the some K3 Fig. 3 of bifurcated pipe P5, described throttling arrangement V4 is arranged on bifurcated pipe P6, described four-way switching valve V3 connects the 3rd pipe arrangement P3, bifurcated pipe P4, bifurcated pipe P5 and bifurcated pipe P6, and can switch between the first switching state and the second switching state, under described first switching state, four-way switching valve V3 makes the 3rd pipe arrangement P3 be communicated with bifurcated pipe P4, and make bifurcated pipe P5 and bifurcated pipe P6 be connected to form loop, under described second switching state, four-way switching valve V3 makes the 3rd pipe arrangement P3 be communicated with bifurcated pipe P5, and bifurcated pipe P4 is communicated with bifurcated pipe P6.In addition, described throttling arrangement V4 refin tubule, imports in loop with the machine oil that will accumulate in four-way switching valve V3 and carries out separation and recovery, prevent machine oil from gathering and cause four-way switching valve V3 to lose efficacy.
Based on said structure, the aircondition 1B of present embodiment can utilize control unit at first mode, second pattern, 3rd switches between pattern and four-mode, wherein, in the first mode, four-way switching valve V1 is switched to the first switching state and four-way switching valve V3 is switched to the first switching state, in the second mode, four-way switching valve V1 is switched to the second switching state and four-way switching valve V3 is switched to the second switching state, under described 3rd pattern, four-way switching valve V1 is switched to the second switching state and four-way switching valve V3 is switched to the first switching state, under described four-mode, four-way switching valve V1 is switched to the second switching state and four-way switching valve V3 is switched to the second switching state, and indoor fan 23 shuts down.
The running carried out in the flrst mode due to the aircondition 1B of present embodiment is identical with the running that the aircondition 1A of above-mentioned embodiment 2 carries out in a heating mode, the aircondition 1A of the running that the aircondition 1B of present embodiment carries out in a third mode and above-mentioned embodiment 2 is identical in the running carried out under heat pattern of dehumidifying again, and therefore the description thereof will be omitted.In addition, the running carried out under the second mode due to the aircondition 1B of present embodiment is substantially identical with the running carried out under four-mode, therefore, at this with reference to Fig. 3, only the running that the aircondition 1B of present embodiment carries out under the second mode is briefly described.
Under the second mode, aircondition 1B utilizes control unit by outdoor unit 100 " four-way switching valve V1 switch to the second switching state; and by outdoor unit 100 " four-way switching valve V3 switch to the second switching state, to be communicated with discharge pipe PO to make the first pipe arrangement P1 and the second pipe arrangement P2 is communicated with suction line PI, the 3rd pipe arrangement P3 is communicated with bifurcated pipe P5.
In this case, outdoor unit 100 " compressor 11 pairs of cold-producing mediums compress, the cold-producing medium of discharging after compression in compressor 11 is transported to outdoor heat converter 12.The cold-producing medium being transported to outdoor heat converter 12 carries out heat exchange with the outdoor air sent here by outdoor fan 13 in outdoor heat converter 12, then flows through valve V2.The cold-producing medium flow through after valve V2 is transported to dehumidifying reheating indoor unit 200.
The cold-producing medium point K5 being in figure 3 transported to dehumidifying reheating indoor unit 200 punishes stream, and its part flows through valve V5 and is transported to except wet heat exchanger 21, and remainder then flows through valve V6 and is transported to reheating heat exchanger 22.
The cold-producing medium be transported to except wet heat exchanger 21 carries out heat exchange with the room air sent here by indoor fan 23, thus freezes to room air in this is except wet heat exchanger 21.
On the other hand, the cold-producing medium being transported to the reheating heat exchanger 22 of dehumidifying reheating indoor unit 200 carries out heat exchange with the room air sent here by indoor fan 23 in reheating heat exchanger 22, thus freezes to room air.
Cold-producing medium after carry out heat exchange with room air in wet heat exchanger 21 and the cold-producing medium carry out heat exchange with room air in reheating heat exchanger 22 after are transported to outdoor unit 100 "; and conflux in some K6 place in figure 3; then, turn back in compressor 11 via fluid reservoir 14.
Aircondition 1B according to the present embodiment, by utilizing control unit to be switched to first mode, the same with above-mentioned embodiment 2, can make except wet heat exchanger 21 and reheating heat exchanger 22 all work as condenser, to heat room air.Therefore, overall efficiency can be improved.
In addition, aircondition 1B according to the present embodiment, the 3rd pattern is switched to by utilizing control unit, the same with above-mentioned embodiment 1, utilize dehumidifying reheating indoor unit 200 except wet heat exchanger 21 is to while being sent the room air of 23 to dehumidify by indoor fan, can utilize the reheating heat exchanger 22 of the reheating indoor unit 200 that dehumidifies to carry out reheating to the room air sent here by indoor fan 23.Therefore, with in the wind path formed at indoor fan except wet heat exchanger added downstream electric heating unit structure compared with, the aircondition 1B of present embodiment can reduce energy consumption, and dehumidifying reheating indoor unit can be avoided even to the temperature distributing disproportionation of the air of indoor supply, improve the comfort of indoor occupant.In addition, as compared to by the structure be successively set in the wind path that indoor fan formed except wet heat exchanger and heat-heat exchanger be again connected in indoor refrigerant loop, the aircondition 1B of present embodiment can make except wet heat exchanger and again heat-heat exchanger can play one's part to the full, thus avoid dehumidifying insufficient with add shortage of heat.In addition, because a part of used heat that script outdoor unit can be entered air is used for heat-heat exchanger again, realizes Waste Heat Reuse, therefore can improve observable index, realize energy-conserving and environment-protective.
In addition, the aircondition 1B of present embodiment operates after a period of time in the flrst mode, outdoor unit 100 " can frosting, cause system effectiveness to reduce.But, in the aircondition 1B of present embodiment, after a period of time that operates in a first pattern, can switch to except wet heat exchanger 21 work as evaporimeter, that reheating heat exchanger 22 carries out defrosting or remove as the 3rd pattern that condenser works the four-mode that wet heat exchanger 21 and reheating heat exchanger 22 all work as evaporimeter is (following, also the 3rd pattern and four-mode are called defrosting mode, wherein, 3rd pattern is also referred to as the first defrosting mode, and four-mode is also referred to as the second defrosting mode).In addition, the aircondition 1B of present embodiment switch to the second defrosting mode defrost time, indoor fan 23 shuts down, therefore can prevent indoor temperature from reducing and affect the comfort of indoor occupant, but be not limited thereto, make except wet heat exchanger 21 and reheating heat exchanger 22 all as evaporimeter work defrost time, also can make indoor fan 23 low-speed running, faint air-flow is fed to indoor.In addition, the aircondition 1B of present embodiment switch to the first defrosting mode defrost time, except wet heat exchanger 21 work as evaporimeter, reheating heat exchanger 22 works as condenser, defrosting speed is slow compared with the second defrosting mode, but reheating heat exchanger 22 plays heat effect again, indoor fan 23 can remain in operation, also can not to indoor blowing cold air, therefore, constant temperature defrosting can be realized.
In addition, in the aircondition 1B of present embodiment, the sensor that control unit can be provided with according to it (is such as arranged on the temperature sensor of detection indoor temperature, leaving air temp or heat exchange temperature in dehumidifying reheating indoor unit 200 and the humidity sensor of sensing chamber's humidity or air-out humidity, unit 100 ' disposed in the outdoor ' in detection outdoor temperature or the temperature sensor of heat exchange temperature) parameter of the data that gather or user's setting, judge whether that needs enter or exit defrosting mode and enter the first defrosting mode or the second defrosting mould.
In addition, in the aircondition 1B of present embodiment, also can preset instructions in a control unit, after the set time section that operates in a first pattern, enter defrosting mode, operate another set time section backed off after random defrosting mode.Such as, when operating in a first pattern, switching to defrosting mode every 30 minutes, operating after 1 minute, again switching back first mode.
(4) embodiment 4
Fig. 4 is the schematic diagram of the loop structure of the aircondition 1C representing embodiment of the present invention 4.The aircondition 1C of present embodiment is substantially identical in configuration aspects with the aircondition 1B of above-mentioned embodiment 3, at this, identical sign flag is marked to the parts identical with above-mentioned embodiment 3, and by with the difference of above-mentioned embodiment 3 centered by be described.
In the present embodiment, as shown in Figure 4, aircondition 1C also comprises the first tube connector P7 diverged out from the first pipe arrangement P1 and the second tube connector P8 diverged out from the second pipe arrangement P2.Herein, described first tube connector P7 is equivalent to the second intersection of the present invention from the some K7(Fig. 4 of the first pipe arrangement P1) diverge out, this K7 is between valve V5 and outdoor heat converter 12, more specifically, this K7 is between valve V5 and valve V2, and described second tube connector P8 diverges out from the some K8 Fig. 4 of the second pipe arrangement P2.
In addition, in the present embodiment, as shown in Figure 4, aircondition 1C also comprises indoor unit 200A, 200B that two have heat exchanger and throttling arrangement respectively, and these two indoor units 200A, 200B are connected in parallel on the first tube connector P7 and the second tube connector P8.
Aircondition 1C according to the present embodiment, can play the technique effect identical with the aircondition 1B of above-mentioned embodiment 3.
(5) embodiment 5
Fig. 5 is the schematic diagram of the loop structure of the aircondition 1D representing embodiment of the present invention 5.The aircondition 1D of present embodiment is substantially identical in configuration aspects with the aircondition 1C of above-mentioned embodiment 4, at this, identical sign flag is marked to the parts identical with above-mentioned embodiment 4, and by with the difference of above-mentioned embodiment 4 centered by be described.
In the present embodiment, as shown in Figure 5, aircondition 1D is except comprising outdoor unit 100 " except, also comprise outdoor unit 100 " A, this outdoor unit 100 " A has and outdoor unit 100 " identical structure.
In addition, in the present embodiment, as shown in Figure 5, outdoor unit 100 " the first pipe arrangement P1 and outdoor unit 100 " the first pipe arrangement P1A of A confluxes, outdoor unit 100 " the second pipe arrangement P2 and outdoor unit 100 " the second pipe arrangement P2A of A confluxes, outdoor unit 100 " the 3rd pipe arrangement P3 and outdoor unit 100 " the 3rd pipe arrangement P3A of A confluxes.Herein, outdoor unit 100 " the first pipe arrangement P1 and outdoor unit 100 " the first pipe arrangement P1A point K9 place in Figure 5 of A confluxes, outdoor unit 100 " the second pipe arrangement P2 and outdoor unit 100 " the second pipe arrangement P2A point K10 place in Figure 5 of A confluxes, outdoor unit 100 " the 3rd pipe arrangement P3 and outdoor unit 100 " the 3rd pipe arrangement P3A point K11 place in Figure 5 of A confluxes.
Aircondition 1D according to the present embodiment, can play the technique effect identical with the aircondition 1D of above-mentioned embodiment 3.
(6) other embodiment
Above the specific embodiment of the present invention is described, but be to be understood that, above-mentioned detailed description of the invention is not construed as limiting the invention, and those skilled in the art can carry out multiple amendment on the basis of above disclosure, and do not exceed scope of the present invention.
Such as, in above-mentioned embodiment 1 to embodiment 5, on the circulation path of the air formed by indoor fan 23, except wet heat exchanger 21 is arranged on the upstream side of reheating heat exchanger 22, air is first heated and dehumidifies again, but be not limited thereto, on the circulation path of the air formed by indoor fan, also the downstream of heat-heat exchanger will can be arranged on again except wet heat exchanger, air is first heated and dehumidifies again, under this setup, reheating heat exchanger role is not again heat, therefore the heat-heat exchanger again in the present invention not refers in particular to and limits it and removes the relative position of wet heat exchanger in wind path.In addition, also can by except wet heat exchanger and again heat-heat exchanger be disposed side by side on the circulation path of the air formed by indoor fan, while portion of air is dehumidified, another part air is heated.In addition, except wet heat exchanger and again heat-heat exchanger be not limited to be configured in the air formed by indoor fan circulation path on, such as, also water circle device can be utilized to carry out heat exchange, specifically, except wet heat exchanger and/or arrange the water circulation pipe carrying out heat exchange with it again around heat-heat exchanger, by the recirculated water circulated in pipeline, heat or cold are sent into indoor.
In addition, in above-mentioned embodiment 1, outdoor unit 100 comprises the valve V2 as outside refrigerant adjusting device, but is not limited thereto, and also can omit this valve V2.
In addition, in above-mentioned embodiment 3, as throttling arrangement V4, except capillary, also motor-driven valve or magnetic valve can be used.
In addition, in above-mentioned embodiment 3, be arranged on the outdoor unit 100 of aircondition 1B as the four-way switching valve V3 of the second switching device shifter " in; the structure of aircondition 1B becomes compact; contribute to miniaturization; but be not limited thereto, and four-way switching valve V3 also can be arranged in dehumidifying reheating indoor unit 200, also can unit 100 disposed in the outdoor " and dehumidifying reheating indoor unit 200 between.
In addition, in above-mentioned embodiment 3, as the second switching device shifter, have employed four-way switching valve V3, but be not limited thereto, triple valve also can be utilized to replace above-mentioned four-way switching valve V3.Now, as long as the bifurcated pipe P6 saved in above-mentioned embodiment 3 and throttling arrangement V4, and triple valve is connected into and can switch between the first switching state making the 3rd pipe arrangement P3 be communicated with bifurcated pipe P4 with the second switching state making the 3rd pipe arrangement P3 be communicated with bifurcated pipe P5.
In addition, in above-mentioned embodiment 3, bifurcated pipe P5 diverges out from the some K6 Fig. 3 of suction line PI, but is not limited thereto, and as shown in Figure 6, the pipe P5 ' that one end is connected with valve V3, the other end is connected with fluid reservoir 14 also can be utilized to replace bifurcated pipe P5.Certainly, this structure also can be applicable in the structure of Fig. 4, Fig. 5.
In addition, in above-mentioned embodiment 4, first tube connector P7 and the second tube connector P8 are connected in parallel to these two indoor units of indoor unit 200A and indoor unit 200B, but be not limited thereto, on the first tube connector P7 and the second tube connector P8, also only can connect an indoor unit, also can be connected in parallel the indoor unit of more than three.
In addition, in above-mentioned embodiment 4, indoor unit A and indoor unit B has identical structure, but is not limited thereto, and the structure of indoor unit 200A and indoor unit 200B also can be different.
In addition, in above-mentioned embodiment 5, comprise the outdoor unit 100 that the first pipe arrangement confluxes respectively to the 3rd pipe arrangement " and outdoor unit 100 " these two outdoor units of A, but be not limited thereto, also can comprise the outdoor unit of more than three that the first pipe arrangement to the 3rd pipe arrangement confluxes respectively.
In addition, in above-mentioned embodiment 5, outdoor unit 100 " and outdoor unit 100 " A has identical structure, but be not limited thereto, outdoor unit 100 " and outdoor unit 100 " structure of A also can be different.
In addition, in above-mentioned embodiment 1 to embodiment 5, suction line PI is provided with the fluid reservoir 14 as device for storing liquid, but is not limited thereto, also can omit this fluid reservoir.
In addition, although not shown, but in above-mentioned embodiment 1 to embodiment 5, the tap line in loop can use difference pipe fitting, such as Y-shaped adaptor, also can directly welding after punching on pipeline.
In addition, the structure in above-mentioned embodiment 1 to embodiment 5 can be combined with each other under reconcilable prerequisite, or deletes some component parts wherein.

Claims (14)

1. an aircondition, it comprises outdoor unit and dehumidifying reheating indoor unit, described outdoor unit comprises compressing mechanism and outdoor heat converter, described dehumidifying reheating indoor unit comprises except wet heat exchanger and the first indoor refrigerant adjusting device, described aircondition also comprises: the discharge pipe be connected with the discharge side of described compressing mechanism, the suction line be connected with the suction side of described compressing mechanism, connect described discharge pipe successively, described outdoor heat converter, described first indoor refrigerant adjusting device, described the first pipe arrangement except wet heat exchanger, and connect described the second pipe arrangement removing wet heat exchanger and described suction line, thus formation loop dehumidification, it is characterized in that,
Described dehumidifying reheating indoor unit also comprises heat-heat exchanger, the second indoor refrigerant adjusting device and the thermocirculator for the heat of described dehumidifying reheating indoor unit or cold being sent into indoor again,
The bifurcated pipe that described aircondition also comprises the 3rd pipe arrangement and diverges out from described discharge pipe, first intersection of described first pipe arrangement, described second indoor refrigerant adjusting device, described heat-heat exchanger are again connected with described bifurcated pipe by described 3rd pipe arrangement successively, thus formation reheat loop, wherein, described first intersection is between described first indoor refrigerant adjusting device and described outdoor heat converter.
2. aircondition as claimed in claim 1, is characterized in that,
Described outdoor unit also comprises the first switching device shifter, and this first switching device shifter can switch between the first switching device shifter first switching state and the first switching device shifter second switching state,
Under described first switching device shifter first switching state, described first switching device shifter makes described first pipe arrangement be communicated with described suction line and described second pipe arrangement is communicated with described discharge pipe,
Under described first switching device shifter second switching state, described first switching device shifter makes described first pipe arrangement be communicated with described discharge pipe and described second pipe arrangement is communicated with described suction line.
3. aircondition as claimed in claim 2, is characterized in that,
Described aircondition also comprises the second switching device shifter, and this second switching device shifter can switch between the second switching device shifter first switching state and the second switching device shifter second switching state,
Under described second switching device shifter first switching state, described second switching device shifter makes described 3rd pipe arrangement be communicated with described bifurcated pipe,
Under described second switching device shifter second switching state, described second switching device shifter makes described 3rd pipe arrangement be communicated with described suction line.
4. aircondition as claimed in claim 3, is characterized in that,
Described first switching device shifter is cross valve.
5. aircondition as claimed in claim 3, is characterized in that,
Described second switching device shifter is arranged in described outdoor unit.
6. aircondition as claimed in claim 1, is characterized in that,
Described first indoor refrigerant adjusting device and described second indoor refrigerant adjusting device are motor-driven valve or magnetic valve.
7. aircondition as claimed in claim 1, is characterized in that,
Described thermocirculator is air-supply arrangement, is describedly arranged in the circulation path of the air-flow formed by described air-supply arrangement except wet heat exchanger and described heat-heat exchanger again.
8. aircondition as claimed in claim 7, is characterized in that,
On described circulation path, described except wet heat exchanger be arranged on described in the upstream side of heat-heat exchanger or downstream again,
Or,
On described circulation path, described except described in wet heat exchanger again heat-heat exchanger be arranged side by side.
9. aircondition as claimed in claim 1, is characterized in that,
Described suction line is provided with device for storing liquid.
10. aircondition as claimed in claim 1, is characterized in that,
Described aircondition also comprises: the first tube connector diverged out from the second intersection of described first pipe arrangement, and from the second tube connector that described second pipe arrangement diverges out, described second intersection is between described first indoor refrigerant adjusting device and described outdoor heat converter
Described aircondition also comprises multiple indoor unit, and described multiple indoor unit is connected in parallel on described first tube connector and described second tube connector.
11. airconditions as claimed in claim 1, is characterized in that,
Described thermocirculator is water circle device, and heat or cold are sent into indoor by the described recirculated water passing through to flow in described water circle device except wet heat exchanger and described heat-heat exchanger again.
12. airconditions according to any one of claim 1 to 11, is characterized in that,
Described aircondition comprises multiple described outdoor unit,
First pipe arrangement of multiple described outdoor unit confluxes,
Second pipe arrangement of multiple described outdoor unit confluxes,
3rd pipe arrangement of multiple described outdoor unit confluxes.
The control method of 13. 1 kinds of airconditions, for controlling the aircondition according to any one of claim 3 to 12, is characterized in that,
Utilize control unit that described aircondition is switched between pattern and four-mode in first mode, the second pattern, the 3rd,
In the first mode, described first switching device shifter is switched to described first switching device shifter first switching state, and described second switching device shifter is switched to described second switching device shifter first switching state,
In the second mode, described first switching device shifter is switched to described first switching device shifter second switching state, and described second switching device shifter is switched to described second switching device shifter second switching state,
Under described 3rd pattern, described first switching device shifter is switched to described first switching device shifter second switching state, and described second switching device shifter is switched to described second switching device shifter first switching state,
Under described four-mode, described first switching device shifter is switched to described first switching device shifter second switching state, and described second switching device shifter is switched to described second switching device shifter second switching state, and described thermocirculator is shut down.
The control method of 14. airconditions as claimed in claim 13, is characterized in that,
Under described 3rd pattern, described aircondition is made to carry out defrosting running.
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CN106152263B (en) * 2015-04-07 2020-03-17 大金工业株式会社 Air conditioning system and control method thereof
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CN107883601A (en) * 2016-09-30 2018-04-06 大金工业株式会社 Air-conditioning system
CN107894111A (en) * 2016-09-30 2018-04-10 大金工业株式会社 Air-conditioning system and its control method
CN107883518B (en) * 2016-09-30 2020-06-16 大金工业株式会社 Air conditioning system and control method thereof
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CN104864495B (en) 2018-12-04
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CN109386886B (en) 2020-12-29
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