CN102095230A - Air processor with two-stage surface coolers - Google Patents

Air processor with two-stage surface coolers Download PDF

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Publication number
CN102095230A
CN102095230A CN2009102137296A CN200910213729A CN102095230A CN 102095230 A CN102095230 A CN 102095230A CN 2009102137296 A CN2009102137296 A CN 2009102137296A CN 200910213729 A CN200910213729 A CN 200910213729A CN 102095230 A CN102095230 A CN 102095230A
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China
Prior art keywords
cooler
air
stage
refrigerant
coolers
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Pending
Application number
CN2009102137296A
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Chinese (zh)
Inventor
严继光
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严继光
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Publication date
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Priority to CN2009102137296A priority Critical patent/CN102095230A/en
Publication of CN102095230A publication Critical patent/CN102095230A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an air processor with two-stage surface coolers, which comprises two-stage surface coolers and a fan, wherein the surface coolers are connected in series; the surface coolers comprise a surface cooler I and a surface cooler II which are mutually connected in series; a refrigerant inlet and an air outlet are arranged on the surface cooler I; a refrigerant outlet and an air inlet are arranged on the surface cooler II; air and a refrigerant are in reverse contact and exchange heat on the surface cooler I and the surface cooler II; the outlet end of the fan is provided with a static pressure box, and the other end of the static pressure box is provided with an air outlet; and the air outlets of the surface coolers are communicated with the static pressure box. Compared with the prior art, the air processor with two-stage surface coolers is provided with the static pressure box at the fan outlet, ensures that an air outlet parameter is more uniform and automatically adjusts the frequency of a fan motor by a micropressure sensor, a transmitter and a frequency converter to achieve a specified parameter and the effect of energy saving. The invention saves energy, improves comfort level and is especially suitable for a radiating air conditioning system in a public building such as the subway, the underground building, and the like.

Description

Air processing machine with twin-stage surface cooler
Technical field
The present invention relates to air processing machine, especially a kind of have the twin-stage surface cooler, and can realize self-regulating air processing machine.
Background technology
At present, air processing machine commonly used both at home and abroad generally is to adopt the surface cooler of arranging to handle air more, with the bigger air heat exchange of new wind or humidity the time, needs the refrigerant of lower temperature and bigger cold medium flux, its energy consumption is big, efficient is low, and particularly the dehumidification rate in summer is lower.
The applicant has submitted to title to be on November 30th, 2007: the utility model patent of " fresh air processor with twin-stage surface cooler ", its application number is 200720060407.9.This application mainly comprises surface cooler and blower fan, and surface cooler comprises the I level surface cooler and the II level surface cooler of mutual series connection, and I level surface cooler is provided with refrigerant import and new wind outlet; II level surface cooler is provided with refrigerant exit and fresh inlet, new wind, refrigerant reverse contact heat-exchanging on I level, II level surface cooler.This processor is only limited to be handled new wind, and its scope of application is less.
Summary of the invention
Can not get improved present situation at moist air environment such as subway, market place builet below the grounds, the objective of the invention is to overcome existing new wind and the air processing machine energy consumption is big, efficient is low, the unsettled defective of air-out parameter, provide a kind of efficient, energy-conservation, have the air processing machine of twin-stage surface cooler.
The objective of the invention is by realizing by the following technical solutions:
Air processing machine with twin-stage surface cooler comprises and scurries surface cooler and the blower fan that connection is provided with that described surface cooler comprises the I level surface cooler and the II level surface cooler of mutual series connection, and I level surface cooler is provided with the outlet of refrigerant import and air; II level surface cooler is provided with the import of refrigerant exit and air, air, refrigerant reverse contact heat-exchanging on I level, II level surface cooler;
The port of export of described blower fan is provided with plenum chamber, and the other end of plenum chamber is provided with air outlet, and the air outlet of described surface cooler is connected with plenum chamber.
As the preferred technical solution of the present invention, described blower fan is a frequency conversion fan; The refrigerant exit of described surface cooler is provided with flow regulator.
As the preferred technical solution of the present invention, be provided with micro-pressure sensor in the described plenum chamber, micro-pressure sensor is electrically connected with blower fan by pressure sensing transmitter and frequency converter.
As the preferred technical solution of the present invention, be provided with dew point temperature sensor in the described plenum chamber, dew point temperature sensor is electrically connected with the flow regulator of refrigerant exit by the dew-point temperature adjuster.
As the preferred technical solution of the present invention, the air inlet of described surface cooler is provided with the photocatalyst filter net.
The invention has the beneficial effects as follows: with respect to prior art, the present invention is divided into I, II two-stage with surface cooler, and the low temperature refrigerant is introduced into I level surface cooler, will supply with II level surface cooler at the medium temperature refrigerant that I level surface cooler heats up by the wet exchange of heat and use.Hot and humid air carries out heat exchange with II level surface cooler earlier, and air has after treatment reduced temperature, improved relative humidity, and this air carries out the wet exchange of heat with the water at low temperature of I level surface cooler again, reaches target dew point temperature.The present invention utilizes air and refrigerant reverse flow, has strengthened the temperature difference and the enthalpy difference of refrigerant and air sides.Improved heat exchanger effectiveness,, can improve the refrigerant temperature of new blower fan, also improved the evaporating pressure of system, saved the energy owing to adopted the processing method of twin-stage surface cooler.Particularly, can under the prerequisite that does not reduce environment temperature, reduce the air water capacity at transition season.
The present invention is provided with a plenum chamber in blower fan outlet, makes that the air-out parameter is more even, and the frequency of regulating blower motor automatically by micro-pressure sensor, transmitter and frequency converter, to reach predetermined parameter and energy-conservation effect.The present invention saves the energy, improves comfort level, is specially adapted to air-conditioning system, for example public building such as subway and hypogee.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is a structural representation of the present invention.
The specific embodiment
As shown in Figure 1, air processing machine with twin-stage surface cooler, comprise that two-stage scurries surface cooler 1 and surface cooler 2 that connection is provided with, surface cooler 1 is connected with blower fan, one end of surface cooler 2 is the air inlets that are provided with filter sterilization device, the air of handling through surface cooler 2 enters surface cooler 1, reaches to send into plenum chamber by blower fan after setting dew-point temperature.Described surface cooler 1 is provided with the outlet of refrigerant import 7 and air; Surface cooler 2 is provided with the import of refrigerant exit 11 and air, and refrigerant exit 11 is provided with flow regulator, air, refrigerant reverse contact heat-exchanging on surface cooler 1 and surface cooler 2.The port of export of described blower fan is provided with plenum chamber 3, and the other end of plenum chamber 3 is provided with air outlet.
In the present embodiment, be provided with micro-pressure sensor 6 in the described plenum chamber 3, micro-pressure sensor 6 is connected with the blower fan circuit with frequency converter 9 by pressure sensing transmitter 8.Be provided with dew point temperature sensor 5 in the described plenum chamber 3, dew point temperature sensor 5 is connected with the flow regulator circuit of refrigerant exit 11 by dew-point temperature adjuster 10.The present embodiment blower fan is a frequency conversion fan, can regulate the processing air quantity as required.The sense temperature information of 3 li set dew point temperature sensors 5 of plenum chamber, and relatively automatically regulate cold medium flux in the back with setup parameter, to guarantee the accuracy of air-out parameter.
The air inlet of present embodiment surface cooler 2 is provided with photocatalyst filter net 4, is used to kill airborne virus and removes harmful substance, and the air dust-laden after its filtration treatment is few, quality good.The present invention is provided with a plenum chamber 3 in the blower fan outlet, make that the air-out parameter is more even, be provided with a micro-pressure sensor 63 li of plenum chambers, this sensor 6 can the sensory perceptual system air the use amount size, perceptual signal is delivered to pressure sensing transmitter 8, with setting signal relatively after, the frequency of regulating blower motor automatically is to reach predetermined parameter and energy-conservation effect.
For the direct-cooling type air-conditioning, described refrigerant can be compressible refrigerants such as fluorine Lyons.Described surface cooler is evaporimeter, forms heat pump with blower fan, condenser, expansion valve and compressor etc.
For the indirect-cooling air-conditioning, described refrigerant is the indirect heat exchange medium, can be water or antifreeze water, and described surface cooler is heat exchanger, needs to be equipped with evaporimeter in addition, and this evaporimeter and blower fan, condenser, expansion valve and compressor etc. are formed heat pump.Utilizing this heat pump for water or antifreeze water heat exchange, is new air heat-exchange by water or antifreeze water.
Certainly, described refrigerant can also be other low-temperature receivers such as underground water, and the two-stage surface cooler can use different refrigerants.
Below only be at three kinds of different refrigerants for example, protection scope of the present invention be not limited to above-mentioned for example, any according to the scheme that above-mentioned mentality of designing proposed, all in its protection domain.

Claims (5)

1. the air processing machine with twin-stage surface cooler comprises and scurries surface cooler and the blower fan that connection is provided with, and it is characterized in that: described surface cooler comprises the I level surface cooler and the II level surface cooler of mutual series connection, and I level surface cooler is provided with the outlet of refrigerant import and air; II level surface cooler is provided with the import of refrigerant exit and air, air, refrigerant reverse contact heat-exchanging on I level, II level surface cooler;
The port of export of described blower fan is provided with plenum chamber, and the other end of plenum chamber is provided with air outlet, and the air outlet of described surface cooler is connected with plenum chamber.
2. the air processing machine with twin-stage surface cooler according to claim 1 is characterized in that: described blower fan is a frequency conversion fan; The refrigerant exit of described surface cooler is provided with flow regulator.
3. the air processing machine with twin-stage surface cooler according to claim 2 is characterized in that: be provided with micro-pressure sensor in the described plenum chamber, micro-pressure sensor is electrically connected with blower fan by pressure sensing transmitter and frequency converter.
4. the air processing machine with twin-stage surface cooler according to claim 2 is characterized in that: be provided with dew point temperature sensor in the described plenum chamber, dew point temperature sensor is electrically connected with the flow regulator of refrigerant exit by the dew-point temperature adjuster.
5. the air processing machine with twin-stage surface cooler according to claim 1 is characterized in that: the air inlet of described surface cooler is provided with the photocatalyst filter net.
CN2009102137296A 2009-12-11 2009-12-11 Air processor with two-stage surface coolers Pending CN102095230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102137296A CN102095230A (en) 2009-12-11 2009-12-11 Air processor with two-stage surface coolers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102137296A CN102095230A (en) 2009-12-11 2009-12-11 Air processor with two-stage surface coolers

Publications (1)

Publication Number Publication Date
CN102095230A true CN102095230A (en) 2011-06-15

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384676A (en) * 2011-10-31 2012-03-21 陆加孚 Efficient air heat exchanger
CN108167013A (en) * 2017-12-25 2018-06-15 陈益德 A kind of mine underground high security new energy locomotive
CN109539449A (en) * 2018-12-06 2019-03-29 珠海格力电器股份有限公司 A kind of new blower
CN111089434A (en) * 2019-12-18 2020-05-01 珠海格力电器股份有限公司 Refrigerating system, refrigerating method and air conditioning unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384676A (en) * 2011-10-31 2012-03-21 陆加孚 Efficient air heat exchanger
CN102384676B (en) * 2011-10-31 2013-05-29 陆加孚 Efficient air heat exchanger
CN108167013A (en) * 2017-12-25 2018-06-15 陈益德 A kind of mine underground high security new energy locomotive
CN109539449A (en) * 2018-12-06 2019-03-29 珠海格力电器股份有限公司 A kind of new blower
CN111089434A (en) * 2019-12-18 2020-05-01 珠海格力电器股份有限公司 Refrigerating system, refrigerating method and air conditioning unit

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Application publication date: 20110615