CN203083044U - Double-cold-resource fresh air handling unit - Google Patents

Double-cold-resource fresh air handling unit Download PDF

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Publication number
CN203083044U
CN203083044U CN 201320018734 CN201320018734U CN203083044U CN 203083044 U CN203083044 U CN 203083044U CN 201320018734 CN201320018734 CN 201320018734 CN 201320018734 U CN201320018734 U CN 201320018734U CN 203083044 U CN203083044 U CN 203083044U
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CN
China
Prior art keywords
air
condenser
cold
fresh air
handling unit
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Expired - Fee Related
Application number
CN 201320018734
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Chinese (zh)
Inventor
杨仕超
余鹏
罗运有
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Guangdong Provincial Academy of Building Research Group Co Ltd
Original Assignee
GUANGDONG PROV INST OF BUILDING SCIENCE
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Priority to CN 201320018734 priority Critical patent/CN203083044U/en
Application granted granted Critical
Publication of CN203083044U publication Critical patent/CN203083044U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Provided is a double-cold-resource fresh air handling unit. The double-cold-resource fresh air handling unit comprises a fresh air handling unit shell body, wherein a compressor, a first condenser, a second condenser, a throttling device, an evaporator, an air inlet, a filter, an air outlet, chilled water supply return water pipes and a surface air cooler are arranged inside the fresh air handling unit shell body, and the compressor, the first condenser, the second condenser, the throttling device and the evaporator are connected through copper pipes in sequence, and form an included cold source system of the double-cold-resource fresh air handling unit. The surface air cooler is connected with an external concentrated air conditioner cold source system through the chilled water supply return water pipes. The double-cold-resource fresh air handling unit has the advantages that due to the fact that the included independent cold source system is arranged in an included mode, when a concentrated air conditioner cold source stops working in transition season, and an air conditioner air system works in a full-fresh-air energy-saving mode, an included cold source can be used for carrying out dehumidification processing on the fresh air, the phenomenon of indoor moist and the phenomenon of indoor mildew are prevented from happening, the fresh air blown by the double-cold-resource fresh air handling unit is moderate in temperature, and comfort of the indoor temperature in the transition season is ensured.

Description

The new blower fan group of two low-temperature receivers
Technical field
The utility model belongs to the refrigeration air-conditioner field, is specifically related to a kind of equipment of carrying processing such as new wind also can cool off, dehumidifying for 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 brand-new wind operation of transition season.When brand-new wind moved, air conditioning water system was 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 bigger, when the brand-new wind of air-conditioning system moves, 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 for the air-conditioning unit even open handpiece Water Chilling Units at transition season, but the air-conditioning unit at southern area does not generally possess hot merit energy again, air-conditioning wind pushing temperature after the dehumidifying is lower, but just on the low side originally 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, influence indoor thermal.
The utility model content
The purpose of this utility model is to provide a kind of pair of new blower fan group of low-temperature receiver, and this new blower fan group carries cold source system, can adopt 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 season 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 purpose of this utility model takes 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, first condenser, 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, first condenser, second condenser, throttling arrangement are connected by copper pipe successively with evaporimeter, 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 utility model, 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 first condenser, is used to strengthen first condenser and outwards dispels the heat.
The refrigerant flow direction of self cold source system of described new blower fan group is: enter first condenser then to 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 of forming new blower fan group, be used for when no outside central air conditioning low-temperature receiver, 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 second condenser carry out, unnecessary heat is discharged by first condenser, is implemented in transition season and sends into indoor new air-dry dry, temperature is suitable;
Described surface cooler connects the central air conditioning cold source system of 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 utlity model has following advantage:
(1) the utility model carries independent cold source system, quit work at transition season central air conditioning low-temperature receiver, during the brand-new wind energy-saving run of air conditioning duct system, 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, assurance is sent into indoor new air-dry dry, avoids indoor humidity occurring, mouldy phenomenon takes place.
(2) use new blower fan group of the present utility model, moderate at the new wind-warm syndrome degree that transition season is sent, the comfortableness of assurance transition season indoor temperature.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a cold-producing medium operation schematic diagram of the present utility model.
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, first condenser 2, 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, first condenser 2, second condenser 3, throttling arrangement 4 are connected by copper pipe successively with evaporimeter 5, 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 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 first condenser 2 then to 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.
Second condenser 3 of present embodiment is used for the new wind behind the heating and dehumidification, and first condenser 2 is used to discharge unnecessary heat.
Operation principle of the present utility model 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, through surface cooler 12 cooling processing of lowering the temperature, do not process when flowing through the evaporimeter 5 and second condenser 3 then, send into indoor by pressure fan 9 at last.
At the transition season of humidity, as " going back to Nan Tian " season of southern area and " yellow plum sky " season in Yangze river and Huai river basin, surface cooler 12 no outside central air conditioning low-temperature receiver supplies quit 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 second condenser, 3 heat temperature raisings, sends into indoor by pressure fan 9 at last.The unnecessary heat of refrigeration system is discharged by first condenser 2.
At the transition season of drying, as autumn, the outdoor air drying, 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, passes through out-of-work surface cooler 12, evaporimeter 5 and second condenser 3 then, sends into indoor by pressure fan 9.

Claims (3)

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), first condenser (2), 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), first condenser (2), second condenser (3), throttling arrangement (4) and evaporimeter (5) are connected 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. the new blower fan group of pair low-temperature receiver according to claim 1 is characterized in that: described air outlet (10) is provided with pressure fan (9).
3. the new blower fan group of pair low-temperature receiver according to claim 1 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 first condenser (2).
CN 201320018734 2013-01-15 2013-01-15 Double-cold-resource fresh air handling unit Expired - Fee Related CN203083044U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320018734 CN203083044U (en) 2013-01-15 2013-01-15 Double-cold-resource fresh air handling unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320018734 CN203083044U (en) 2013-01-15 2013-01-15 Double-cold-resource fresh air handling unit

Publications (1)

Publication Number Publication Date
CN203083044U true CN203083044U (en) 2013-07-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320018734 Expired - Fee Related CN203083044U (en) 2013-01-15 2013-01-15 Double-cold-resource fresh air handling unit

Country Status (1)

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CN (1) CN203083044U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075767A (en) * 2013-01-15 2013-05-01 广东省建筑科学研究院 Double-cold source fresh air handling unit
CN103900181A (en) * 2013-11-29 2014-07-02 李世镜 Household type new air machine set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075767A (en) * 2013-01-15 2013-05-01 广东省建筑科学研究院 Double-cold source fresh air handling unit
CN103075767B (en) * 2013-01-15 2015-10-28 广东省建筑科学研究院集团股份有限公司 Two low-temperature receiver Fresh air handling units
CN103900181A (en) * 2013-11-29 2014-07-02 李世镜 Household type new air machine set

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GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: 510050 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District

Patentee after: Guangdong Construction Academy Group Plc

Address before: 510050 No. 121 martyrs East Road, Guangdong, Guangzhou

Patentee before: Guangdong Prov. Inst. of Building Science

C56 Change in the name or address of the patentee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130724

Termination date: 20170115

CF01 Termination of patent right due to non-payment of annual fee