CN103075764A - Double-cold source dehumidification air-conditioning unit - Google Patents
Double-cold source dehumidification air-conditioning unit Download PDFInfo
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- CN103075764A CN103075764A CN2013100132932A CN201310013293A CN103075764A CN 103075764 A CN103075764 A CN 103075764A CN 2013100132932 A CN2013100132932 A CN 2013100132932A CN 201310013293 A CN201310013293 A CN 201310013293A CN 103075764 A CN103075764 A CN 103075764A
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Abstract
The invention relates to a double-cold source dehumidification air-conditioning unit, which comprises an air-conditioning unit shell, wherein a compressor, a first condenser, a second condenser, a throttling device, an evaporimeter, a fresh air inlet, a return air inlet, a filter, an air outlet, a chilled water supply water return pipe and a surface air cooler are arranged in the air-conditioning unit shell; and the compressor, the first condenser, the second condenser, the throttling device and the evaporimeter are connected sequentially through a copper pipe so as to form a cold source system of the air-conditioning unit. The double-cold source dehumidification air-conditioning unit has the advantages that (1) the double-cold source dehumidification air-conditioning unit is provided with the independent cold source system, in a transition season, a central air conditioning cold source system stops working, and when an air conditioning ventilation system fresh air is operated in an energy-saving way, a self cold source can be applied to feed air to the air-conditioning unit and carry out dehumidification, so that the phenomena of indoor moisture and mustiness are avoided; and (2) when the air-conditioning unit is operated in a fresh air way in the transition season, the fed fresh air has moderate temperature, and the comfort of indoor temperature in the transition season is ensured.
Description
Technical field
The invention belongs to the refrigeration air-conditioner field, be specifically related to a kind of equipment that air is cooled off, dehumidifies.
Background technology
Along with the increase of construction scope, the application of central air-conditioning system is also more general, yet at transition season, the operational efficiency of central air-conditioning system is lower, is energy savings, the normal mode that adopts in the operation of transition season all-fresh air.During the all-fresh air operation, air conditioning water system is out of service, the air-conditioning unit is not carried out cooling, and the air-conditioning unit can not carry out hot wet process to outdoor new wind, and the air-conditioning unit is directly sent into outdoor new wind indoor.
Because transition season, particularly southern area at the end of spring and the beginning of summer " return to Nan Tian " season and " yellow plum sky " season of the Yangtze river basin, outdoor air humidity is larger, during the operation of air-conditioning system all-fresh air, owing to there not being the chilled water supply, can't carry out dehumidification treatments, the outdoor air of humidity is directly sent into indoorly will be made the abominable wet environment of indoor formation, have a strong impact on life, the work quality of indoor occupant, and may cause that indoor article is mouldy to degenerate.In addition, provide cold water to carry out dehumidification treatments even open handpiece Water Chilling Units at transition season to the air-conditioning unit, but the air-conditioning unit at southern area does not generally possess again hot merit energy, air-conditioning temperature after the dehumidifying is lower, but originally just on the low side, indoor without refrigeration duty in the transition season outdoor temperature, the cold wind after the dehumidifying is sent into indoor, to make indoor temperature too low, affect indoor thermal comfort.
Summary of the invention
The object of the present invention is to provide a kind of pair of low-temperature receiver dehumidification air conditioner unit, this air-conditioning unit carries cold source system, can adopt season the low-temperature receiver of central air conditioning cold source system that air is carried out the air-conditioning processing as the common air-conditioning unit at air-conditioning; At the transition season of humidity, can utilize self cold source system of air-conditioning unit that air is carried out dehumidification treatments, need not outside central air conditioning low-temperature receiver.
The objective of the invention is to take following technical scheme to realize:
A kind of pair of low-temperature receiver dehumidification air conditioner unit, comprise air conditioner set shell body, it is characterized in that: be provided with compressor, the first condenser, the second condenser, throttling arrangement, evaporimeter, fresh inlet, return air inlet, filter, air outlet, chilled water in the described air conditioner set shell body for return pipe, surface cooler; Described compressor, the first condenser, the second condenser, throttling arrangement are connected with evaporimeter and are connected by copper pipe, form self cold source system of air-conditioning unit; Described surface cooler connects outside central air conditioning cold source system by chilled water for return pipe; Described filter is located at fresh inlet and return air inlet place.
As improvement of the present invention, described fresh inlet is provided with new air-valve; Described return air inlet is provided with air returning valve; Described air outlet is provided with pressure fan; The self-contained refrigerating system of described air-conditioning unit also comprises cooling fan, and described cooling fan is installed on the first condenser, is used for strengthening the heat radiation of the first condenser.
The refrigerant flow direction of self cold source system of described air-conditioning unit is: enter the first condenser then to the second condenser after the compressed machine compression of cold-producing medium, after the throttling arrangement throttling, enter evaporimeter, return the compressor low-pressure end, finish a circulation, self the independent cooling source system that forms the air-conditioning unit, be used for without extraneous low-temperature receiver the time, new wind being carried out dehumidification treatments, its processing procedure is that outdoor new wind carries out cooling and dehumidifying through evaporimeter, again through wet intensifications such as the second condenser carry out, unnecessary heat is discharged by the first condenser, realizes sending into when the transition season all-fresh air moves indoor new air-dry dry, temperature is suitable.
The central air conditioning cold source system of described surface cooler connecting building uses the cold of central air conditioning cold source system season at air-conditioning, to the processing of lowering the temperature of air-conditioning unit blasting air.
Described pair of low-temperature receiver dehumidification air conditioner unit also can be used for air-conditioning return air is dehumidified, at transition season, when indoor humidity larger, or indoor when wetter source is arranged, can regulate new return air valve, reduce fresh air proportion, even turn-off new wind, only indoor return air is dehumidified, thereby strengthen effect on moisture extraction.
Compare with the common air-conditioning unit, the present invention has following advantage:
(1) the present invention carries the independent cooling source system, quit work at transition season central air conditioning cold source system, during air conditioning duct system all-fresh air energy-saving run, can use the low-temperature receiver of self the air-conditioning unit blasting air is carried out dehumidification treatments, when realizing the air conditioner system energy saving operation, it is dry that indoor air is sent in assurance, avoids indoor humidity occurring, mouldy phenomenon occurs;
(2) use air-conditioning unit of the present invention, when the transition season all-fresh air moved, the new air temperature of sending was moderate, guaranteed the comfortableness of transition season indoor temperature.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is cold-producing medium operation schematic diagram of the present invention.
The specific embodiment
Two low-temperature receiver dehumidification air conditioner units as shown in Figure 1, comprise air conditioner set shell body 6, be provided with compressor 1, the first condenser 2, the second condenser 3, throttling arrangement 4, evaporimeter 5, fresh inlet 7, return air inlet 9, filter 11, air outlet 13, chilled water in the air conditioner set shell body 6 for return pipe 14, surface cooler 15.Compressor 1, the first condenser 2, the second condenser 3, throttling arrangement 4 are connected with evaporimeter successively and are connected by copper pipe, form self cold source system of air-conditioning unit; Surface cooler 15 connects outside central air conditioning cold source system by chilled water for return pipe 14; Filter 11 is located at fresh inlet 7 and return air inlet 9 places; Fresh inlet 7 is provided with new air-valve 8; Return air inlet 9 is provided with air returning valve 10; Air outlet 13 is provided with pressure fan 12; The self-contained refrigerating system of air-conditioning unit also comprises cooling fan 16, and cooling fan 16 is installed on the first condenser 2, is used for strengthening the heat radiation of the first condenser 2.
The refrigerant flow direction of self cold source system of the present embodiment air-conditioning unit as shown in Figure 2, enter the first condenser 2 then to the second condenser 3 after compressed machine 1 compression of cold-producing medium, after throttling arrangement 4 throttlings, enter evaporimeter 5, return compressor 1 low-pressure end, finish a circulation.
Operation principle of the present invention is:
In air-conditioning season, self cold source system of air-conditioning unit is not worked, surface cooler 15 uses external central air conditioning cold source system that air-conditioning is carried out cooling processing, its processing procedure is: after outdoor new wind and indoor return air enter the air-conditioning unit and mix from fresh inlet 7 and return air inlet 9 respectively, carry out dust removal and filtration through filter 11, then carry out cooling down through surface cooler 15 and process, do not process when flowing through evaporimeter 5 and the second condenser 3, send into indoor by pressure fan 12 at last.
Transition season in humidity, such as " going back to Nan Tian " season of southern area and " yellow plum sky " season of Yangtze-Huaihe River Valley, air-conditioning unit all-fresh air energy-saving run, surface cooler 15 is supplied without outside central air conditioning low-temperature receiver, quit work, the air returning valve 10 of air-conditioning unit is closed, and self cold source system work of air-conditioning unit is carried out dehumidification treatments to new wind.Its course of work is: outdoor new wind enters the air-conditioning unit from fresh inlet 7, carries out dust removal and filtration through filter 11, by out-of-work surface cooler 15, through evaporimeter 5 cooling and dehumidifyings, behind the second condenser 3 heat temperature raisings, sends into indoor by pressure fan 12 at last.The unnecessary heat of self cold source system of air-conditioning unit is discharged by the first condenser 2.
At the transition season of drying, such as autumn, outdoor air is dry, and temperature is moderate, need not new wind is carried out hot wet process.At this moment, the surface cooler 15 of air-conditioning unit and self cold source system all quit work.Outdoor new wind enters the air-conditioning unit from fresh inlet 7, carries out dust removal and filtration through filter 11, then passes through out-of-work surface cooler 15, evaporimeter 5 and the second condenser 3, sends into indoor by pressure fan 12.
Indoor very moist at transition season, or indoor when wetter source is arranged, the full return air operation of air-conditioning unit, be that the new air-valve 8 of air-conditioning unit cuts out, indoor return air enters the air-conditioning unit from return air inlet 9, carries out dust removal and filtration through filter 11, by out-of-work surface cooler 15, through evaporimeter 5 cooling and dehumidifyings, behind the second condenser 3 heat temperature raisings, send into indoor by pressure fan 12 at last.The unnecessary heat of refrigeration system is discharged by the first condenser 2.
Claims (8)
1. two low-temperature receiver dehumidification air conditioner unit, comprise air conditioner set shell body (6), it is characterized in that: be provided with compressor (1), the first condenser (2), the second condenser (3), throttling arrangement (4), evaporimeter (5), fresh inlet (7), return air inlet (9), filter (11), air outlet (13), chilled water in the described air conditioner set shell body (6) for return pipe (14), surface cooler (15); Described compressor (1), the first condenser (2), the second condenser (3), throttling arrangement (4) are connected 5 with evaporimeter) connect by copper pipe successively, form self cold source system of air-conditioning unit; Described surface cooler (15) connects outside central air conditioning cold source system by chilled water for return pipe (14); Described filter (11) is located at fresh inlet (7) and return air inlet (9) is located.
2. according to claim 1 pair of low-temperature receiver dehumidification air conditioner unit, it is characterized in that: described fresh inlet (7) is provided with new air-valve (8).
3. according to claim 1 pair of low-temperature receiver dehumidification air conditioner unit, it is characterized in that: described return air inlet (9) is provided with air returning valve (10).
4. according to claim 1 pair of low-temperature receiver dehumidification air conditioner unit, it is characterized in that: described air outlet (13) is provided with pressure fan (12).
5. according to claim 2 or 3 or 4 described pairs of low-temperature receiver dehumidification air conditioner units, it is characterized in that: the self-contained refrigerating system of described air-conditioning unit also comprises cooling fan (16), and described cooling fan (16) is located on the first condenser (2).
6. according to claim 5 pair of low-temperature receiver dehumidification air conditioner unit, it is characterized in that: the described pair of low-temperature receiver dehumidification air conditioner unit is at air-conditioning during season, self cold source system is not worked, and surface cooler (15) uses the cold of central air conditioning cold source system, the air-conditioning unit blasting air is carried out cooling down process.
7. according to claim 5 pair of low-temperature receiver dehumidification air conditioner unit, it is characterized in that: described pair of low-temperature receiver dehumidification air conditioner unit is when the transition season of humidity, and surface cooler (15) quits work, and adopts self cold source system that the air-conditioning unit blasting air is carried out dehumidification treatments.
8. according to claim 5 pair of low-temperature receiver dehumidification air conditioner unit, it is characterized in that: described pair of low-temperature receiver dehumidification air conditioner unit is when the transition season of drying, surface cooler (15) and self cold source system are not all worked, and pressure fan (12) will directly be sent into indoor through the new wind that filter (11) is processed.
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| CN201310013293.2A CN103075764B (en) | 2013-01-15 | 2013-01-15 | Double-cold source dehumidification air-conditioning unit |
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| CN201310013293.2A CN103075764B (en) | 2013-01-15 | 2013-01-15 | Double-cold source dehumidification air-conditioning unit |
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| CN103075764B CN103075764B (en) | 2015-05-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104344466A (en) * | 2013-08-06 | 2015-02-11 | Lg电子株式会社 | Air conditioner |
| CN107504593A (en) * | 2017-10-23 | 2017-12-22 | 上海非众制冷设备有限公司 | A kind of fresh air purifying air conditioner dehumidification integral type unit |
| CN110228233A (en) * | 2019-07-04 | 2019-09-13 | 智慧能源有限公司 | Wisdom hydrogen-rich facial tissues machine |
| CN112665033A (en) * | 2020-12-07 | 2021-04-16 | 珠海格力电器股份有限公司 | Double-cold-source dehumidifying unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110228233A (en) * | 2019-07-04 | 2019-09-13 | 智慧能源有限公司 | Wisdom hydrogen-rich facial tissues machine |
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| CN112665033B (en) * | 2020-12-07 | 2022-02-01 | 珠海格力电器股份有限公司 | Double-cold-source dehumidifying unit |
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| CN103075764B (en) | 2015-05-27 |
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