CN201844481U - Heat recovery fresh air ventilator - Google Patents

Heat recovery fresh air ventilator Download PDF

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Publication number
CN201844481U
CN201844481U CN2010205456215U CN201020545621U CN201844481U CN 201844481 U CN201844481 U CN 201844481U CN 2010205456215 U CN2010205456215 U CN 2010205456215U CN 201020545621 U CN201020545621 U CN 201020545621U CN 201844481 U CN201844481 U CN 201844481U
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CN
China
Prior art keywords
heat
air channel
fresh air
heat recovery
heat exchanger
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205456215U
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Chinese (zh)
Inventor
林力健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Emperor Simai Environmental Equipment (shanghai) Co Ltd
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Emperor Simai Environmental Equipment (shanghai) Co Ltd
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Publication date
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Priority to CN2010205456215U priority Critical patent/CN201844481U/en
Application granted granted Critical
Publication of CN201844481U publication Critical patent/CN201844481U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The utility model relates to a heat recovery fresh air ventilator, which comprises a first air duct and a second air duct which are adjacently arranged, and a first heat exchange core crossing the first air duct and the second air duct, wherein the first air duct is provided with an air feeder introducing fresh air, the second air duct is provided with an exhauster leading out indoor exhaust air, the heat recovery fresh air ventilator also comprises a dehumidifying/heating component positioned on the second air duct and used for dehumidifying or heating the fresh air, and a second heat exchange core crossing the first air duct and the second air duct, and the dehumidifying/heating component and the second heat exchange core are sequentially positioned in front of the first heat exchange core along the advancing direction of the fresh air. The utility model provides the heat recovery fresh air ventilator which can provide fresh air with comfortable humidity and temperature.

Description

A kind of heat recovery fresh air ventilator
Technical field
The utility model 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, by a single heat exchanger core, is realized the exchange heat of outdoor new wind with indoor exhaust wind, realizes 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 by 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 by 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.
The utility model content
In order to solve the above-mentioned deficiency of existing heat recovery fresh air ventilator, the utility model 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 utility model 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, described first air channel is provided with the pressure fan that new wind is introduced, described second air channel is provided with the exhaust blower that indoor exhaust wind is drawn, described heat recovery fresh air ventilator also comprises and is 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 described dehumidifying/heat assembly and second heat exchanger core edge.
Further, the wind-warm syndrome sensor of the new wind-warm syndrome degree after the described dehumidifying/assembly of heating comprises fin surface cooler, threeway shunt valve and is used to detect process fin surface cooler, the water inlet of described threeway shunt valve and air conditioner water pipeline connection, first delivery port is communicated with the water inlet of fin surface cooler, second delivery port converges with delivery port by the fin surface cooler and is communicated with, be connected with controller between this threeway shunt valve and the described wind-warm syndrome sensor, the input of described 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, by controlling the air conditioner water flow of first delivery port that flows into the assembly that dehumidifies/heat, accurately control the wind-warm syndrome after dehumidifying.
Preferably, described controller is the ratio temperature controller, and described threeway shunt valve is a proportion control electric three passes shunt valve.
Described first heat exchanger core and second heat exchanger core are rhombus or square.
Preferably, described first heat exchanger core is full recuperation of heat heat exchange core.
Preferably, described second heat exchanger core is that sensible heat reclaims the heat exchange core.
Preferably, described blower setting is at a close indoor end in first air channel.
Preferably, described exhaust blower is arranged on a close indoor end in second air channel.
Technical conceive of the present utility model is: the heat recovery fresh air ventilator is set up dehumidify/the heat assembly and second heat exchanger core, the fin surface cooler of assembly of dehumidifying/heat is connected with the air conditioner water pipeline, in summer, air conditioner water is chilled water (or refrigerant), dehumidify/heat assembly as the freeze drying section, new air-cooledly freeze dehumidifying to what send into, often wind-warm syndrome is very low can just directly to send into indoor new wind through the freeze drying section, like this, can bring discomfort first, second can cause the indoor air inlet dewfall, 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, rising again, it is indoor to send into about 20 degrees centigrade 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), the assembly that dehumidifies/heat is just as the section of heating, after passing through the assembly that dehumidifies/heat, cold outdoor new wind heated up, be raised to about 20 degrees centigrade behind the cold outdoor new wind process fin surface cooler, close with indoor exhaust wind temperature temperature, thus through the new wind-warm syndrome degree behind second heat exchanger core still be send into about 20 degrees centigrade indoor.
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 by control, accurately control the wind-warm syndrome after dehumidifying, and then regulate humidity.
The beneficial effects of the utility model are: (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 problem that winter temperature is on the low side of humidity in summer; (2) adopt proportion control electric three passes shunt valve, degree of regulation height.
Description of drawings
Fig. 1 is the structure chart of existing heat recovery fresh air ventilator.
Fig. 2 is the structure chart of the utility model heat recovery fresh air ventilator embodiment.
Fig. 3 is the fundamental diagram of threeway shunt valve.
Fig. 4 is the ventilation diagram of the utility model heat recovery fresh air ventilator embodiment.
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 described first air channel A is provided with the pressure fan 2 that new wind is introduced, the described second air channel B is provided with the exhaust blower 3 that indoor exhaust wind is drawn, described heat recovery fresh air ventilator also comprises the dehumidifying that is positioned on the second air channel B/heat assembly 4 and crosses over the first air channel A and second heat exchanger core 5 of the second air channel B, and described 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, described pressure fan 2 is arranged on the close indoor end of the first air channel A, and described exhaust blower is established 3 close indoor ends of putting at the second air channel B.
In the present embodiment, described first heat exchanger core 1 is full recuperation of heat heat exchange core, is generally refill; Described 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 is meant adjacent areas on two sections geographical position, be not meant the actual circulation path of new wind or return air, in fact, new wind or return air are scissors crossings first when circulation, second air channel, as shown in Figure 4, new wind path directly is described below: under the effect of pressure fan 2, outdoor new wind enters 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, through entering rhombus or the second square heat exchanger core 5 behind the assembly 4 that dehumidifies/heat, also be to flow into the first air channel A then, feed indoor again towards rhombus or square opposite side; The return air path description is as follows: under the effect of exhaust blower 3, indoor return air enters 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 enter rhombus or the first square heat exchanger core 1, also be to flow into the second air channel B then, lead to outdoor again towards rhombus or square opposite side.
The wind-warm syndrome sensor 43 of the new wind-warm syndrome degree after the described dehumidifying/assembly 4 of heating comprises fin surface cooler 41, threeway shunt valve 42 and is used to detect process fin surface cooler 41, the water inlet 421 and the air conditioner water pipeline connection of described 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 by 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 described wind-warm syndrome sensor 43, the input of described 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 dehumidify/heat first delivery port 422 of assembly, the flow proportional of second delivery port 423, flow into the air conditioner water flow of first delivery port of the assembly that dehumidifies/heat by control, accurately control the wind-warm syndrome after the freeze drying.
The fundamental diagram of threeway shunt valve 42 as shown in Figure 3, control the chilled water water yield of first delivery port 422 that enters surface cooler by second delivery port, 423 shunting chilled waters, and then precisely control wind-warm syndrome after the 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 described 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 enters 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, the fin surface cooler 41 of assembly 4 of dehumidifying/heat is connected with the air conditioner water pipeline, in summer, air conditioner water is a chilled water, fin surface cooler 41 is as the freeze drying section, new air-cooledly freeze 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 (about 14 degrees centigrade), directly deliver to indoor, can bring discomfort first, second can cause the indoor air inlet dewfall, so dehumidifying/increased by second heat exchanger core 5 behind the assembly 4 of heating, the low temperature new wind of the temperature of utilizing indoor air draft (about 26 degrees centigrade) after to dehumidifying is risen again about 20 degrees centigrade, send into again indoor, 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, fin surface cooler 41 is just as the section of heating, cold outdoor new wind is raised to about 20 degrees centigrade after through fin surface cooler 41 because the indoor exhaust wind temperature is also about 20 degrees centigrade, so through the new wind-warm syndrome degree behind second heat exchanger core 5 still be send into about 20 degrees centigrade indoor, like this, just obtain the new wind of the comfortable temperature of human body sensory in winter,, can solve by 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 new wind about 20 degrees centigrade 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 problem that winter temperature is on the low side of humidity in summer.
The foregoing description only is enumerating the utility model design way of realization; protection domain of the present utility model is not limited only to the foregoing description, and protection domain of the present utility model may extend to those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present utility model.

Claims (8)

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), described first air channel (A) is provided with the pressure fan (2) that new wind is introduced, described second air channel (B) is provided with the exhaust blower (3) that indoor exhaust wind is drawn, it is characterized in that: described 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 the place ahead that direction into is positioned at first heat exchanger core (1) successively newly is in fashion on described dehumidifying/assembly of heating (4) and second heat exchanger core (5) edge.
2. heat recovery fresh air ventilator as claimed in claim 1, it is characterized in that: described dehumidifying/assembly of heating (4) comprises fin surface cooler (41), threeway shunt valve (42) and be used for detecting wind-warm syndrome sensor (43) through the new wind-warm syndrome degree behind the fin surface cooler (41), the water inlet (421) of described 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) by fin surface cooler (41) and is communicated with, be connected with controller (44) between this threeway shunt valve (42) and the described wind-warm syndrome sensor (43), the input of described controller (44) is connected with wind-warm syndrome sensor (43) signal, and output is connected with the spool of threeway shunt valve (42).
3. heat recovery fresh air ventilator as claimed in claim 2 is characterized in that: described controller (44) is the ratio temperature controller, and described threeway shunt valve (42) is a proportion control electric three passes shunt valve.
4. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: described first heat exchanger core (1) and second heat exchanger core (5) are rhombus or square.
5. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: described first heat exchanger core (1) is full recuperation of heat heat exchange core.
6. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: described second heat exchanger core (5) reclaims the heat exchange core for sensible heat.
7. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: described pressure fan (2) is arranged on a close indoor end in first air channel (A).
8. heat recovery fresh air ventilator as claimed in claim 1 is characterized in that: described exhaust blower (3) is arranged on a close indoor end in second air channel (B).
CN2010205456215U 2010-09-28 2010-09-28 Heat recovery fresh air ventilator Expired - Fee Related CN201844481U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205456215U CN201844481U (en) 2010-09-28 2010-09-28 Heat recovery fresh air ventilator

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Application Number Priority Date Filing Date Title
CN2010205456215U CN201844481U (en) 2010-09-28 2010-09-28 Heat recovery fresh air ventilator

Publications (1)

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CN201844481U true CN201844481U (en) 2011-05-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103015646A (en) * 2012-12-10 2013-04-03 湖南大学 Photovoltaic solar protection device with fresh air ventilation function
CN103438540A (en) * 2013-09-18 2013-12-11 河南科技大学 Indoor temperature and humidity regulation method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103015646A (en) * 2012-12-10 2013-04-03 湖南大学 Photovoltaic solar protection device with fresh air ventilation function
CN103015646B (en) * 2012-12-10 2015-06-03 湖南大学 Photovoltaic solar protection device with fresh air ventilation function
CN103438540A (en) * 2013-09-18 2013-12-11 河南科技大学 Indoor temperature and humidity regulation method
CN103438540B (en) * 2013-09-18 2016-06-15 河南科技大学 A kind of indoor temperature and humidity control method

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110525

Termination date: 20160928

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