CN103075767A - Double-cold source fresh air handling unit - Google Patents
Double-cold source fresh air handling unit Download PDFInfo
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- CN103075767A CN103075767A CN2013100132839A CN201310013283A CN103075767A CN 103075767 A CN103075767 A CN 103075767A CN 2013100132839 A CN2013100132839 A CN 2013100132839A CN 201310013283 A CN201310013283 A CN 201310013283A CN 103075767 A CN103075767 A CN 103075767A
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- blower fan
- new blower
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Abstract
The invention relates to a double-cold source fresh air handling unit, which comprises a fresh air handling unit shell, wherein a compressor, a first condenser, a second condenser, a throttling device, an evaporimeter, an air inlet, a filter, an air outlet, a chilled water supply water return pipe and a surface air cooler are arranged in the fresh air handling unit shell; 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 fresh air handling unit; and the surface air cooler is connected with an external central air conditioning cold source system through the chilled water supply water return pipe. The double-cold source fresh air handling unit has the advantages that (1) the double-cold source fresh air handling unit is provided with the independent cold source system, in a transition season, a central air conditioning cold source 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 carry out dehumidification on fresh air, so that the phenomena of indoor moisture and mustiness are avoided; and (2) when the fresh air handling unit is used, the fed fresh air supplied in the transition season 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 of carrying the processing such as new wind also can cool off, dehumidifying to building.
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 is not 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 chilled 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 in the transition season outdoor temperature, indoor refrigeration duty is little, and 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 new blower fan group of low-temperature receiver, this new blower fan group 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 common new blower fan group at air-conditioning; At the transition season of humidity, the cold source system that can utilize new blower fan group to carry carries out dehumidification treatments to air, 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 new blower fan group of low-temperature receiver, comprise new blower fan group housing, it is characterized in that: be provided with compressor, the first condenser, the second condenser, throttling arrangement, evaporimeter, air inlet, filter, air outlet, chilled water in the described new blower fan group housing for return pipe and 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 new blower fan group; Described surface cooler connects outside central air conditioning cold source system by chilled water for return pipe; Described filter is located at the air inlet place.
As improvement of the present invention, described air outlet is provided with pressure fan; Self cold source system of described new blower fan group also comprises cooling fan, and described cooling fan is located on the first condenser, is used for strengthening the first condenser and outwards dispels the heat.
The refrigerant flow direction of self cold source system of described new blower fan group is: enter the first condenser then to the second condenser after the compressed machine compression of cold-producing medium, after the throttling arrangement throttling, flow to evaporimeter, return the compressor low-pressure end, finish a circulation, self cold source system that forms new blower fan group, be used for without outside central air conditioning 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, is implemented in transition season and sends into 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 new wind.
Compare with common new blower fan group, the present invention has following advantage:
(1) the present invention carries the independent cooling source system, quit work at transition season central air conditioning low-temperature receiver, during air conditioning duct system all-fresh air energy-saving run, can use the low-temperature receiver of self that new wind is carried out dehumidification treatments, when realizing the air conditioner system energy saving operation, the indoor fresh air drying is sent in assurance, avoids occurring indoor humidity, mouldy phenomenon occurs.
(2) use new blower fan group of the present invention, moderate at the new air temperature that transition season is sent, the comfortableness of assurance 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
The new blower fan group of two low-temperature receivers as shown in Figure 1, comprise new blower fan group housing 6, be provided with compressor 1, the first condenser 2, the second condenser 3, throttling arrangement 4, evaporimeter 5, air inlet 7, filter 8, air outlet 10, chilled water in the new blower fan group housing 6 for return pipe 11 and surface cooler 12.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 new blower fan group; Surface cooler 12 connects outside central air conditioning cold source system by chilled water for return pipe 11; Filter 8 is located at air inlet 7 places; Air outlet 10 is provided with pressure fan 9; Self cold source system of parent's blower fan group also comprises cooling fan 13, and cooling fan 13 is located on the first condenser 2.
The refrigerant flow direction of self cold source system of the new blower fan group of present embodiment as shown in Figure 2, enter the first condenser 2 then to the second condenser 3 after the compressed machine compression of cold-producing medium, after throttling arrangement 4 throttlings, flow to evaporimeter 5, return the low-pressure end of compressor 1, finish a circulation.
The second condenser 3 of present embodiment is used for the new wind behind the heating and dehumidification, and the first condenser 2 is used for discharging unnecessary heat.
Operation principle of the present invention is:
In air-conditioning season, self cold source system of new blower fan group is not worked, surface cooler 12 uses the low-temperature receiver of external central air conditioning cold source system, outdoor new wind enters new blower fan group from air inlet 7, carry out dust removal and filtration through filter 8, then carry out cooling down through surface cooler 12 and process, do not process when flowing through evaporimeter 5 and the second condenser 3, send into indoor by pressure fan 9 at last.
At the transition season of humidity, such as " going back to Nan Tian " season of southern area and " yellow plum sky " season of Yangtze-Huaihe River Valley, surface cooler 12 is supplied without outside central air conditioning low-temperature receiver, quits work.Self cold source system work of new blower fan group is carried out dehumidification treatments to new wind.Its course of work is: outdoor new wind enters new blower fan group from air inlet 7, carries out dust removal and filtration through filter 8, by out-of-work surface cooler 12, through evaporimeter 5 cooling and dehumidifyings, behind the second condenser 3 heat temperature raisings, sends into indoor by pressure fan 9 at last.The unnecessary heat of refrigeration system 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 12 of new blower fan group and self cold source system all quit work.Outdoor new wind enters new blower fan group from air inlet 7, carries out dust removal and filtration through filter 8, then passes through out-of-work surface cooler 12, evaporimeter 5 and the second condenser 3, sends into indoor by pressure fan 9.
Claims (6)
1. two new blower fan group of low-temperature receiver, comprise new blower fan group housing (6), it is characterized in that: be provided with compressor (1), the first condenser (2), the second condenser (3), throttling arrangement (4), evaporimeter (5), air inlet (7), filter (8), air outlet (10), chilled water in the described new blower fan group housing (6) for return pipe (11) and surface cooler (12); 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 new blower fan group; Described surface cooler (12) connects outside central air conditioning cold source system by chilled water for return pipe (11); Described filter (8) is located at air inlet (7) and locates.
2. according to claim 1 pair of new blower fan group of low-temperature receiver, it is characterized in that: described air outlet (10) is provided with pressure fan (9).
3. according to claim 1 pair of new blower fan group of low-temperature receiver is characterized in that: self cold source system of described new blower fan group also comprises cooling fan (13), and described cooling fan (13) is located on the first condenser (2).
4. according to claim 2 or 3 described pairs of new blower fan groups of low-temperature receiver, it is characterized in that: the described pair of new blower fan group of low-temperature receiver is at air-conditioning during season, self cold source system is not worked, and surface cooler (12) uses the cold of central air conditioning cold source system, new wind is carried out cooling down process.
5. according to claim 2 or 3 described pairs of new blower fan groups of low-temperature receiver, it is characterized in that: the described pair of new blower fan group of low-temperature receiver is when the transition season of humidity, and surface cooler (12) quits work, and adopts self cold source system that new wind is carried out dehumidification treatments.
6. according to claim 2 or 3 described pairs of new blower fan groups of low-temperature receiver, it is characterized in that: the described pair of new blower fan group of low-temperature receiver is when the transition season of drying, surface cooler (12) and self cold source system are not all worked, and pressure fan (9) will directly be sent into indoor through the new wind that filter (8) is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310013283.9A CN103075767B (en) | 2013-01-15 | 2013-01-15 | Two low-temperature receiver Fresh air handling units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310013283.9A CN103075767B (en) | 2013-01-15 | 2013-01-15 | Two low-temperature receiver Fresh air handling units |
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| CN103075767A true CN103075767A (en) | 2013-05-01 |
| CN103075767B CN103075767B (en) | 2015-10-28 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061630A (en) * | 2014-07-07 | 2014-09-24 | 叶立英 | Unit type fresh air processing machine |
| CN104482614A (en) * | 2014-11-17 | 2015-04-01 | 广东申菱空调设备有限公司 | Double-cold-source sensible heat treatment high-temperature air-conditioning unit and control method thereof |
| CN104764126A (en) * | 2015-03-30 | 2015-07-08 | 广东申菱空调设备有限公司 | Double-cold-source variable frequency precise air conditioning unit |
| CN110617567A (en) * | 2019-08-30 | 2019-12-27 | 江苏致远高科能源科技有限公司 | Method for designing double-cold-source fresh air dehumidifier according to cold quantity division ratio |
| CN110631232A (en) * | 2019-10-12 | 2019-12-31 | 广州市华德工业有限公司 | Control method of cooling unit and storage medium |
| CN111854007A (en) * | 2019-04-28 | 2020-10-30 | 上海科力玛数据科技有限公司 | High-water-temperature and large-temperature-difference air conditioner terminal equipment |
| CN112432282A (en) * | 2020-12-01 | 2021-03-02 | 江苏知民通风设备有限公司 | New fan of two cold sources dehumidification |
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| CN101509712A (en) * | 2009-03-06 | 2009-08-19 | 广东美的电器股份有限公司 | Steam compression type air conditioner dehumidification dual-purpose integration machine and control method thereof |
| CN201875825U (en) * | 2010-11-04 | 2011-06-22 | 珠海格力电器股份有限公司 | Split type fresh air dehumidifier unit |
| CN202149548U (en) * | 2011-07-06 | 2012-02-22 | 珠海格力电器股份有限公司 | Integral horizontal type fresh air dehumidifier |
| CN203083044U (en) * | 2013-01-15 | 2013-07-24 | 广东省建筑科学研究院 | Double-cold-resource fresh air handling unit |
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Patent Citations (4)
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| CN101509712A (en) * | 2009-03-06 | 2009-08-19 | 广东美的电器股份有限公司 | Steam compression type air conditioner dehumidification dual-purpose integration machine and control method thereof |
| CN201875825U (en) * | 2010-11-04 | 2011-06-22 | 珠海格力电器股份有限公司 | Split type fresh air dehumidifier unit |
| CN202149548U (en) * | 2011-07-06 | 2012-02-22 | 珠海格力电器股份有限公司 | Integral horizontal type fresh air dehumidifier |
| CN203083044U (en) * | 2013-01-15 | 2013-07-24 | 广东省建筑科学研究院 | Double-cold-resource fresh air handling unit |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061630A (en) * | 2014-07-07 | 2014-09-24 | 叶立英 | Unit type fresh air processing machine |
| CN104061630B (en) * | 2014-07-07 | 2016-08-24 | 叶立英 | Modular fresh air processor |
| CN104482614A (en) * | 2014-11-17 | 2015-04-01 | 广东申菱空调设备有限公司 | Double-cold-source sensible heat treatment high-temperature air-conditioning unit and control method thereof |
| CN104482614B (en) * | 2014-11-17 | 2017-07-25 | 广东申菱环境系统股份有限公司 | A kind of pair of low-temperature receiver sensible heat processing high-temperature air conditioner unit and its control method |
| CN104764126A (en) * | 2015-03-30 | 2015-07-08 | 广东申菱空调设备有限公司 | Double-cold-source variable frequency precise air conditioning unit |
| CN111854007A (en) * | 2019-04-28 | 2020-10-30 | 上海科力玛数据科技有限公司 | High-water-temperature and large-temperature-difference air conditioner terminal equipment |
| CN110617567A (en) * | 2019-08-30 | 2019-12-27 | 江苏致远高科能源科技有限公司 | Method for designing double-cold-source fresh air dehumidifier according to cold quantity division ratio |
| CN110631232A (en) * | 2019-10-12 | 2019-12-31 | 广州市华德工业有限公司 | Control method of cooling unit and storage medium |
| CN110631232B (en) * | 2019-10-12 | 2021-01-08 | 广州市华德工业有限公司 | Control method of cooling unit and storage medium |
| CN112432282A (en) * | 2020-12-01 | 2021-03-02 | 江苏知民通风设备有限公司 | New fan of two cold sources dehumidification |
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| CN103075767B (en) | 2015-10-28 |
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Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Applicant after: Guangdong Construction Academy Group Plc Address before: 510500 martyrs East Road, Guangdong, Guangzhou No. 121 Applicant before: Guangdong Prov. Inst. of Building Science |
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