CN101957033B - Heat-recovery fresh air ventilator - Google Patents
Heat-recovery fresh air ventilator Download PDFInfo
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- CN101957033B CN101957033B CN 201010294721 CN201010294721A CN101957033B CN 101957033 B CN101957033 B CN 101957033B CN 201010294721 CN201010294721 CN 201010294721 CN 201010294721 A CN201010294721 A CN 201010294721A CN 101957033 B CN101957033 B CN 101957033B
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Abstract
The invention relates to a heat-recovery fresh air ventilator. The heat-recovery fresh air ventilator comprises a first air channel, a second air channel, a first heat exchange core, a dehumidification/heating component and a second heat exchange core, wherein the first air channel and the second air channel are arranged adjacently; the first heat exchange core crosses the first air channel and the second air channel; the first air channel is provided with an air feeder which introduces fresh air; the second air channel is provided with an air exhauster for exhausting indoor air exhaust; the dehumidification/heating component is positioned on the second air channel and is used for performing dehumidification or heating treatment on the fresh air; the second heat exchange core crosses the first air channel and the second air channel; and the dehumidification/heating component and the second heat exchange core are positioned in front of the first heat exchange core along the flowing direction of the fresh air in turn. The invention discloses the heat-recovery fresh air ventilator which can provide the fresh air with the humidity and the temperature which make a human body feel comfortable.
Description
Technical field
The present invention relates to a kind of fresh air ventilator, particularly a kind of heat recovery fresh air ventilator.
Background technology
Existing heat recovery fresh air ventilator, as shown in Figure 1, through a single heat exchanger core, realize the exchange heat of outdoor new wind with indoor exhaust wind, realize recuperation of heat.Among the figure, heat exchanger core is crossed over new wind air channel and wind output channel, and the convection current that intersects through outdoor new wind and indoor exhaust wind realizes the exchange of heat, and the indoor porch of new wind and the indoor exit of air draft are provided with blower fan.The problem that this device exists is: after extraneous new wind is realized exchange heat with indoor exhaust wind through single heat exchanger core; The new wind that comes out in the inlet chamber from heat exchanger core does not often satisfy human body in the sense organ demand of Various Seasonal to humidity or temperature; Too high humility is too big for the new wind-warm syndrome degree of coming in summer, and the new wind-warm syndrome degree of coming in winter is too low.For this reason, be necessary this type of fresh air ventilator is improved, so that the new wind of comfortable humidity of human body sensory and temperature to be provided.
Summary of the invention
In order to solve the above-mentioned deficiency of existing heat recovery fresh air ventilator, the present invention proposes a kind of heat recovery fresh air ventilator that the new wind of comfortable humidity of human body sensory and temperature can be provided.
The present invention adopts following technical scheme:
The heat recovery fresh air ventilator; First air channel and second air channel that comprise adjacent setting; Cross over first heat exchanger core in first air channel and second air channel; Said first air channel is provided with the pressure fan that new wind is introduced; Said second air channel is provided with the exhaust blower that indoor exhaust wind is drawn, and said heat recovery fresh air ventilator also comprises and be positioned at being used for new wind dehumidify or the heat dehumidifying handled/heat assembly and cross over first air channel and second heat exchanger core in second air channel of second air channel, and the place ahead that direction into is positioned at first heat exchanger core successively newly is in fashion on said dehumidifying/heat assembly and second heat exchanger core edge.
Further; Described dehumidifying/the assembly of heating comprises fin surface cooler, threeway shunt valve and is used to detect the wind-warm syndrome sensor through the new wind-warm syndrome degree behind the fin surface cooler; The water inlet of said threeway shunt valve and air conditioner water pipeline connection; First delivery port is communicated with the water inlet of fin surface cooler, and second delivery port converges with delivery port through the fin surface cooler and is communicated with, and is connected with controller between this threeway shunt valve and the said wind-warm syndrome sensor; The input of said controller is connected with the wind-warm syndrome sensor signal, and output is connected with the spool of threeway shunt valve.The temperature of threeway shunt valve root wind-warm syndrome sensor is adjusted spool position; And then adjustment flows into dehumidify/heat first delivery port of assembly, the water yield ratio of second delivery port; Through controlling the air conditioner water flow of first delivery port that flows into the assembly that dehumidifies/heat, come the wind-warm syndrome after accurately control dehumidifies.
Preferably, described controller is the ratio temperature controller, and said threeway shunt valve is a proportion control electric three passes shunt valve.
Said first heat exchanger core and second heat exchanger core are rhombus or square.
Preferably, said first heat exchanger core is full recuperation of heat heat exchange core.
Preferably, said second heat exchanger core is that sensible heat reclaims the heat exchange core.
Preferably, said blower setting first air channel near an indoor end.
Preferably, said exhaust blower be arranged on second air channel near an indoor end.
Technical conceive of the present invention is: the heat recovery fresh air ventilator is set up dehumidify/the heat assembly and second heat exchanger core, and the fin surface cooler of the assembly that dehumidifies/heat is connected with the air conditioner water pipeline, in summer; Air conditioner water is chilled water (or refrigerant), and the assembly that dehumidifies/heat is as the freeze drying section, new air-cooledly freezes dehumidifying to what send into; Often wind-warm syndrome is very low with regard to directly sending into indoor new wind can to pass through the freeze drying section; Like this, discomfort can be brought first, second the indoor air inlet dewfall can be caused; So dehumidifying/increased second heat exchanger core of crossing over first air channel and second air channel behind the assembly of heating; The new wind of low temperature after utilizing indoor exhaust wind to dehumidifying is risen again, and 20 deg.c of rising again are sent into indoor again, like this; Just obtain the new wind of human body sensory comfort humidity and temperature, avoided the problem of indoor air inlet dewfall simultaneously again; And in the winter time; Air conditioner water is heating water (or heating agent); Dehumidify/heat assembly just as the section of heating, cold outdoor new wind is heated up after through the assembly that dehumidifies/heat, and cold outdoor new wind is raised to 20 deg.c after through the fin surface cooler; Close with indoor exhaust wind temperature temperature, so still be that 20 deg.c are sent into indoor through the new wind-warm syndrome degree behind second heat exchanger core.
The temperature of threeway shunt valve root wind-warm syndrome sensor is adjusted spool position; And then adjustment flows into dehumidify/heat first delivery port of assembly, the flow proportional of second delivery port; Flow into the air conditioner water flow of first delivery port of the assembly that dehumidifies/heat through control; Come the wind-warm syndrome after accurately control dehumidifies, and then regulate humidity.
Beneficial effect of the present invention is: (1) has proposed a kind of heat recovery fresh air ventilator; This recovery fresh-air ventilation function provides the new wind of comfortable humidity of human body sensory and temperature, has solved new wind that common fresh air ventilator provides in higher, the winter temperature problem of lower of humidity in summer; (2) adopt proportion control electric three passes shunt valve, degree of regulation is high.
Description of drawings
Fig. 1 is the structure chart of existing heat recovery fresh air ventilator.
Fig. 2 is the structure chart of heat recovery fresh air ventilator embodiment of the present invention.
Fig. 3 is the fundamental diagram of threeway shunt valve.
Fig. 4 is the ventilation diagram of heat recovery fresh air ventilator embodiment of the present invention.
The specific embodiment
With reference to Fig. 2-4: a kind of heat recovery fresh air ventilator; The first air channel A and the second air channel B that comprise adjacent setting; Cross over first heat exchanger core 1 of the first air channel A and the second air channel B; The said first air channel A is provided with the pressure fan 2 that new wind is introduced; The said second air channel B is provided with the exhaust blower 3 that indoor exhaust wind is drawn, and said heat recovery fresh air ventilator also comprises the dehumidifying that is positioned on the second air channel B/heat assembly 4 and cross over the first air channel A and second heat exchanger core 5 of the second air channel B, and said dehumidifying/the heat assembly 4 and second heat exchanger core 5 are positioned at the place ahead of first heat exchanger core 1 successively along newly being in fashion direction into.
In the present embodiment, said pressure fan 2 be arranged on the first air channel A near an indoor end, said exhaust blower establish 3 put the second air channel B near an indoor end.
In the present embodiment, said first heat exchanger core 1 is full recuperation of heat heat exchange core, is generally refill; Said second heat exchanger core 5 is generally the aluminium core for sensible heat reclaims the heat exchange core.
Need to prove; The first air channel A, the second air channel B only are meant adjacent areas on two sections geographical position, are not meant the actual circulation path of new wind or return air, in fact; New wind or return air are first, second air channels of scissors crossing when circulation; As shown in Figure 4, new wind path directly is described below: under the effect of pressure fan 2, outdoor new wind gets into the rhombus or square first heat exchanger core 1 from the import (outdoor) of the first air channel A; Be to flow into the second air channel B at this moment towards rhombus or square opposite side; Getting into rhombus or the second square heat exchanger core 5 through assembly 4 backs of dehumidifying/heat, also is to flow into the first air channel A towards rhombus or square opposite side then, feeds indoor again; The return air path description is following: under the effect of exhaust blower 3; Indoor return air gets into the rhombus or square second heat exchanger core 5 from the import (indoor) of the second air channel B; Be to flow into the first air channel A at this moment towards rhombus or square opposite side; Then getting into rhombus or the first square heat exchanger core 1, also is to flow into the second air channel B towards rhombus or square opposite side then, leads to outdoor again.
Described dehumidifying/the assembly 4 of heating comprises fin surface cooler 41, threeway shunt valve 42 and is used to detect the wind-warm syndrome sensor 43 through the new wind-warm syndrome degree behind the fin surface cooler 41; The water inlet 421 and the air conditioner water pipeline connection of said threeway shunt valve 42; First delivery port 422 is communicated with the water inlet of fin surface cooler; Second delivery port 423 converges with delivery port 412 through fin surface cooler 41 and is communicated with, and its two the water outlet that converges is discharged by water return outlet 413; Be connected with controller 44 between this threeway shunt valve 42 and the said wind-warm syndrome sensor 43, the input of said controller 44 is connected with wind-warm syndrome sensor 43 signals, and output is connected with the spool of threeway shunt valve 42.Threeway shunt valve 42 is adjusted spool position according to the temperature of wind-warm syndrome sensor 43; And then adjustment flows into first delivery port 422 of the assembly that dehumidifies/heat, the flow proportional of second delivery port 423; Through controlling the air conditioner water flow of first delivery port that flows into the assembly that dehumidifies/heat, the wind-warm syndrome after the next accurately control freeze drying.
The fundamental diagram of threeway shunt valve 42 is as shown in Figure 3; Control the chilled water water yield of first delivery port 422 that gets into surface cooler through second delivery port, 423 shunting chilled waters; And then coming the wind-warm syndrome after the precisely control freeze drying, the water outlet of the delivery port 412 of the water outlet of second delivery port 423 and fin surface cooler 41 converges discharge.
In the present embodiment, described controller 44 is the ratio temperature controller, and said threeway shunt valve 42 is a proportion control electric three passes shunt valve.The ratio temperature controller is according to the wind-warm syndrome fluctuation signal of wind-warm syndrome sensor, the spool position of proportion control electric three passes shunt valve, and then regulate the first delivery port flow that gets into the electric three passes shunt valve.
Present embodiment is set up dehumidify/the heat assembly 4 and second heat exchanger core to the heat recovery fresh air ventilator, and the fin surface cooler 41 of the assembly 4 that dehumidifies/heat is connected with the air conditioner water pipeline, in summer; Air conditioner water is a chilled water, and fin surface cooler 41 is as the freeze drying section, new air-cooledly freezes dehumidifying to what send into; Summer common outdoor high temperature high humidity air after through the dehumidifying of freeze drying section, wind-warm syndrome very low (14 deg.c) is directly delivered to indoor; Can bring discomfort first; Second can cause the indoor air inlet dewfall, so increased by second heat exchanger core 5 behind the assembly 4 that dehumidifying/heating, the new wind of low temperature of the temperature of utilizing indoor air draft (26 deg.c) after 20 deg.c of rising again to dehumidifying; Send into indoor again; Like this, just obtain the new wind of human body sensory comfort humidity and temperature, avoided the problem of indoor air inlet dewfall again; And in the winter time, fin surface cooler 41 is made the usefulness of heating, and fin surface cooler 41 is just as the section of heating; Cold outdoor new wind is raised to 20 deg.c after through fin surface cooler 41, because the indoor exhaust wind temperature is also in 20 deg.c, so still be that 20 deg.c are sent into indoor through the new wind-warm syndrome degree behind second heat exchanger core 5; Like this; Just obtain the new wind of the comfortable temperature of human body sensory in winter,, can solve through additional humidifier section as for the humidity in winter problem on the low side.
Above-mentioned fin surface cooler is a device common on the market, that be widely used; Its structural design is to go out suitable fin structure according to design data such as outdoor worst air themperature damp condition and chilled water operating modes to guarantee that the new wind-warm syndrome degree after the dehumidifying in summer is lower than 14 degrees centigrade to guarantee effect on moisture extraction, and then be warming up to 20 deg.c with new wind winter.
So, this recovery fresh-air ventilation function provides the new wind of comfortable humidity of human body sensory and temperature, thereby has solved new wind that common fresh air ventilator provides in higher, the winter temperature problem of lower of humidity in summer.
The foregoing description only is that protection scope of the present invention is not limited only to the foregoing description to the enumerating of inventive concept way of realization, and protection scope of the present invention may extend to those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present invention.
Claims (6)
1. heat recovery fresh air ventilator; First air channel (A) and second air channel (B) that comprise adjacent setting; Cross over first heat exchanger core (1) in first air channel (A) and second air channel (B); Said first air channel (A) is provided with the pressure fan (2) that new wind is introduced; Said second air channel (B) is provided with the exhaust blower (3) that indoor exhaust wind is drawn; It is characterized in that: said heat recovery fresh air ventilator also comprises second heat exchanger core (5) that new wind was dehumidified or heated dehumidifying/assembly of heating (4) of handling and crosses over first air channel (A) and second air channel (B) of being used for that is positioned at second air channel (B), and said second heat exchanger core (5) reclaims the heat exchange core for sensible heat, and the place ahead that direction into is positioned at first heat exchanger core (1) successively newly is in fashion on said dehumidifying/assembly of heating (4) and second heat exchanger core (5) edge;
Described dehumidifying/assembly of heating (4) comprises fin surface cooler (41), threeway shunt valve (42) and is used for detecting the wind-warm syndrome sensor (43) through the new wind-warm syndrome degree behind the fin surface cooler (41); The water inlet (421) of said threeway shunt valve (42) and air conditioner water pipeline connection; First delivery port (422) is communicated with the water inlet (411) of fin surface cooler (41); Second delivery port (423) converges with delivery port (412) through fin surface cooler (41) and is communicated with; Be connected with controller (44) between this threeway shunt valve (42) and the said wind-warm syndrome sensor (43); The input of said controller (44) is connected with wind-warm syndrome sensor (43) signal, and output is connected with the spool of threeway shunt valve (42).
2. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: described controller (44) is the ratio temperature controller, and said threeway shunt valve (42) is a proportion control electric three passes shunt valve.
3. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: said first heat exchanger core (1) and second heat exchanger core (5) are rhombus or square.
4. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: said first heat exchanger core (1) is full recuperation of heat heat exchange core.
5. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: said pressure fan (2) be arranged on first air channel (A) near an indoor end.
6. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: said exhaust blower (3) be arranged on second air channel (B) near an indoor end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294721 CN101957033B (en) | 2010-09-28 | 2010-09-28 | Heat-recovery fresh air ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010294721 CN101957033B (en) | 2010-09-28 | 2010-09-28 | Heat-recovery fresh air ventilator |
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| Publication Number | Publication Date |
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| CN101957033A CN101957033A (en) | 2011-01-26 |
| CN101957033B true CN101957033B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010294721 Expired - Fee Related CN101957033B (en) | 2010-09-28 | 2010-09-28 | Heat-recovery fresh air ventilator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178836A (en) * | 2017-07-03 | 2017-09-19 | 北京致绿室内环境科技有限公司 | A kind of fresh air dehumidifying system provided with double heat exchanger cores |
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| CN102589073A (en) * | 2012-04-02 | 2012-07-18 | 吕智 | Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor |
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| CN103644640A (en) * | 2013-11-11 | 2014-03-19 | 宁波东大空调设备有限公司 | Double-rhombus reverse heat transfer movement and double-rhombus reverse heat transfer air energy recycling machine |
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| CN111895568B (en) * | 2020-07-31 | 2021-12-17 | 中国农业银行股份有限公司浙江省分行 | Integrated new trend device in immersive finance storehouse |
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| CN101957033A (en) | 2011-01-26 |
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