CN101936623B - Solar energy-air dual heat source heat pump air conditioner - Google Patents
Solar energy-air dual heat source heat pump air conditioner Download PDFInfo
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- CN101936623B CN101936623B CN2010102967425A CN201010296742A CN101936623B CN 101936623 B CN101936623 B CN 101936623B CN 2010102967425 A CN2010102967425 A CN 2010102967425A CN 201010296742 A CN201010296742 A CN 201010296742A CN 101936623 B CN101936623 B CN 101936623B
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Abstract
The invention discloses a solar energy-air dual heat source heat pump air conditioner comprising a compressor, an outdoor unit heat exchanger, a user side heat exchanger, a 4-way change valve, a throttle valve and a connecting line, wherein the outlet of the compressor is respectively connected with one interface of the working medium channel of the user side heat exchanger and one interface of the working medium channel of the outdoor unit heat exchanger by the 4-way change valve; and the outdoor unit heat exchanger is a solar energy-air dual heat source heat exchanger and comprises a visor, a heat exchange tube, a fin and a solar energy radiation absorption coating, wherein the fin is combined with the outer wall of the heat exchange tube, and the solar energy radiation absorption coating is coated on the outer surfaces of the heat exchange tube and the fin. The invention only uses one solar energy-air-geothermal energy tri-heat source heat exchanger, and simultaneously utilizes air source and solar energy radiation energy as hot pump heat resources to realize the comprehensive and effective utilization of the renewable energy sources; and while obviously improving the heat supply coefficient of performance COP and the operation stability of the heat pump water heater, the invention ensures that the system constitution is more simplified compared with the solar energy heat collector which utilizes solar collectors independently, and application range is wider.
Description
Technical field
The present invention relates to sun use device, particularly utilize the heat pump assembly of solar energy, specifically is a kind of solar energy-air dual-heat-source heat pump air-conditioner.
Background technology
Along with improving constantly of rapid economy development and people's living standard, people constantly enlarge demands for energy, bring two hang-ups to actual life: the one, and the energy crisis that limited reserves produced of coal and oil; The 2nd, exhaust gas discharged (CO2 and SO2) is produced with the burning mass of coal, oil environmental pollution and greenhouse effects constantly worsen existent environment of people; It is thus clear that Renewable Energy Development and power-saving technology have become two wheels of the global incontrovertible sustainable development energy.And the airborne energy and solar energy is as renewable and clean energy resource, and its exploitation more and more receives widely with effective utilization and paying attention to.
Air source heat pump as Cooling and Heat Source, has characteristics such as energy-efficient, environmental protection, safety saving, advantages of small volume with air, has become the very high air-conditioning equipment of present popularization degree.But outside air temperature is crossed when low in the winter time, the capacity and the minimum contradiction of efficient of the Datong District of heat demand unit will occur.Solar energy is inexhaustible, cheap with it, safely, need not to transport, characteristics such as cleanliness without any pollution receive people's attention; But season and weather effect are big, heat flow density is low because solar energy receives, and cause various forms of solar energy directly to utilize system in application, to receive certain restriction.Solar energy-air dual-heat-source heat pump air-conditioner has made full use of solar energy and air source heat pump advantage, overcomes both shortcomings to a certain extent, therefore has very big exploitation, application potential.In the disclosed technical scheme of Chinese invention patent " a kind of aircondition that utilizes multiple natural eco-friendly power source " (January 25 2007 applying date, March 11 2009 Granted publication day, Granted publication CN 100467964C); Solar energy, air ability and ground can be fully utilized; But wherein establish a cover heat exchange system respectively to three kinds of energy, complex structure, pipeline is more; And energy is concentrated, is unfavorable for improving result of use.Chinese invention patent application " a kind of aircondition that utilizes multiple natural eco-friendly power source " (March 28 2006 applying date; Application number 200610012529.0; Publication number CN1869555A) disclosed heat pump air conditioner of air source, solar, water source; Adopt two water resource heat pumps to be connected to form first order air source heat pump and second level artificial water source's heat pump through the pipeline of configuration cycles water pump; The output of described second level artificial water source's heat pump connects air conditioner end equipment through the pipeline of configuration cycles water pump; Described first order air source heat pump connects the air source heat-exchanger rig through the pipeline of configuration cycles water pump, and its complex structure need be taked heat collector centralized procurement solar energy and air ability respectively.
Summary of the invention
The object of the present invention is to provide a kind of solar energy-air dual-heat-source heat pump air-conditioner, described this solar energy-air dual-heat-source heat pump air-conditioner will solve solar energy-air heat source heat pump complex structure in the prior art, easy out of order technical problem.
The objective of the invention is to realize: comprise compressor, off-premises station heat exchanger, user side heat exchanger, four-way change-over valve, choke valve and connecting line through following technical scheme; The outlet of compressor connects an interface of user side heat exchanger working medium passage and an interface of off-premises station heat exchanger working medium passage respectively through four-way change-over valve, and the indoor air conditioner of user is connected with the user side heat exchanger with the air-conditioning return pipe through the air-conditioning feed pipe, and said off-premises station heat exchanger is the two thermal source heat exchangers of solar energy-air; The two thermal source heat exchangers of solar energy-air comprise sunshading board, heat exchanger tube; In the fin that combines with the heat exchanger tube outer wall, and the solar radiation absorbing coating on heat exchanger tube and the fin outer surface, heat exchanger tube is the heat pump fluid passage; Gap between the fin constitutes the air heat source passage; On the two thermal source heat exchangers of solar energy-air, be provided with blower fan, blower fan is positioned at a side of the two thermal source heat exchangers of solar energy-air, and said sunshading board adopts foldable mode to be located on the two thermal source heat exchangers of solar energy-air; This sunshading board is connected with drive motors through a driving mechanism; Driving mechanism is made up of rack-and-pinion, and sunshading board is located on the two thermal source heat exchangers of solar energy-air through hinge and chute, and gear is fixed on the output shaft of drive motors; Wheel and rack is meshed, and tooth bar one end is connected with sunshading board through bearing pin.
The two thermal source heat exchangers of said solar energy-air are the nest plate type structure, and the fin thin plate that is rectangle is provided with the gap between adjacent two fins, the profile of the two thermal source heat exchangers of this solar energy-air of the range upon range of formation of fin, and the S-shaped bending of heat exchanger tube is arranged between the fin.
The two thermal source heat exchangers of solar energy-air are around slice structure, the S-shaped bending of its heat exchanger tube, and fin is sheathed on the heat exchanger tube outside.
The solar radiation absorbing coating is located at heat exchanger tube and fin outer surface through electro-plating method.
The solar radiation absorbing coating is located at heat exchanger tube and fin outer surface through spraying or brushing method.
Single fin is the annular thin slice.
Said sunshading board adopts removably to be located on the two thermal source heat exchangers of solar energy-air.
The present invention compares with prior art, and its effect is actively with tangible.This solar energy-air dual-heat-source heat pump air-conditioner only uses the two thermal source heat exchangers of a solar energy-air can realize from solar radiation and air, obtaining heat simultaneously; Be coated with the solar radiation absorbing coating at heat exchanger tube and fin outer surface; Replace traditional solar thermal collector, simplified heat exchanger structure on the one hand, also simplified pipeline structure on the other hand; Improve the reliability of heat pump; Produce hot water when work carrying out heat pump cycle, can utilize air source and solar radiation to realize the comprehensive effectively utilization of regenerative resource simultaneously as source heat pump heat; In heating performance coefficient COP that makes Teat pump boiler and the obvious raising of operation stability, system is formed utilize the solar energy heat pump system of solar thermal collector more to simplify more separately.When adopting the nest plate type structure, constitute by a plurality of rectangle thin plate fins are range upon range of at certain intervals, at this moment, heat exchanger tube is S-shaped to be arranged in the fin, and the gap between adjacent like this two fins constitutes the air draught passage.When adopting around slice structure, adopt the less fin of size, a plurality of fins are sheathed on the heat exchanger tube, and are S-shaped with the heat exchanger tube bending again, and the gap between the fin forms airflow path up and down.
Description of drawings
Fig. 1 is a fundamental diagram of the present invention.
Fig. 2 is the sun-air dual-heat-source heat exchanger front view of the embodiment of the invention 1.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the right view of Fig. 2.
Fig. 5 is the sun-air dual-heat-source heat exchanger front view of the embodiment of the invention 2.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the right view of Fig. 6.
The specific embodiment
Through embodiment the present invention is done further explain below in conjunction with accompanying drawing.
Embodiment 1
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, saved the indoor air conditioner of user among Fig. 1, in the present embodiment; This solar energy-air dual-heat-source heat pump air-conditioner; Comprise compressor 1, sunshade plate-type solar-air dual-heat-source heat exchanger 2, user side heat exchanger 3; Four-way change-over valve 4, choke valve 5 and connecting line.The outlet of compressor 1 connects an interface of user side heat exchanger 3 and two thermal source heat exchanger 2 cold-producing mediums (working medium) passages of the board-like solar energy-air of sunshade respectively through four-way change-over valve 4; The indoor air conditioner of user is connected with user side heat exchanger 3 with air-conditioning return pipe 13 through air-conditioning feed pipe 12; Another interface of two thermal source heat exchanger 2 coolant channels of user side heat exchanger 3 and solar energy-air is connected through choke valve 5; Wherein, The two thermal source heat exchangers 2 of the board-like solar energy-air of said sunshade are the two thermal source heat exchangers of the solar energy-air of band sunshading board in summer 11 and high efficient radiation heat absorption property coating; This heat exchanger comprises the black solar radiation absorbing coating that detachable sunshading board 11, heat exchanger tube 6, the fin 7 that combines with the heat exchanger tube outer wall and heat exchange pipe external surface and fin outer surface are electroplated, and this solar radiation absorbing coating has stronger absorption to solar radiation; In the said heat exchanger tube 6 is heat pump fluid passage 8, and the absorption surface that heat exchanger tube 6 outer surfaces of band solar radiation absorbing coating and fin 7 outer surfaces constitute solar source constitutes air heat source passage 9 between heat exchange pipe external surface and the fin.During winter heating, pull down sunshading board 11, heat pump fluid can absorb the solar radiant energy heat of the solar radiation absorbing coating absorption of gaseous state thermal source heat and heat exchange pipe external surface and fin outer surface simultaneously; Install sunshading board 11 when freezing summer, and the heat pump fluid release heat is given air.
Because fin and outer tube outer surface are coated with the solar radiation absorbing coating, can fully absorb solar energy, need not adopt solar thermal collector, have simplified the structure of heat exchanger, and pipeline structure.
Workflow of the present invention is following:
(1) heating mode
Under this mode of operation; Sunshading board cuts out (or dismounting), and the two thermal source heat exchangers 2 of the board-like solar energy-air of sunshade can absorb air heat source and solar radiation heat simultaneously, at this moment; Heat pump fluid is by compressor 1 compression; Through four-way change-over valve 4, after entering user side heat exchanger 3 release heat, get into sunshade plate-type solar-air dual-heat-source heat exchangers 2 through choke valve 5; After absorbing the solar radiant energy heat that the solar radiation absorbing coating of gaseous state thermal source heat and heat exchange pipe external surface and fin outer surface absorbs simultaneously, get into compressors 1 through four-way change-over valve 4 and get into next circulation; The indoor air conditioner of user carries out exchange heat through air-conditioning feed pipe 12 and air-conditioning return pipe 13 and user side heat exchanger, realizes indoor heating.
(2) refrigeration mode
Under this mode of operation; Install sunshading board (being installed on two thermal source heat exchanger 2 tops of the board-like solar energy-air of sunshade) and carry out sunshade work; 2 on the two thermal source heat exchangers of the board-like solar energy-air of sunshade absorb the air heat source heat, and heat pump fluid is by compressor 1 compression, through four-way change-over valve 4; Get into two thermal source heat exchanger 2 release heat of the board-like solar energy-air of sunshade to behind the air; Get into user side heat exchanger 3 through choke valve 5, the indoor air conditioner of user carries out exchange heat through air-conditioning feed pipe 12 and air-conditioning return pipe 13 and user side heat exchanger, realizes indoor refrigeration; Working medium absorbs from behind the indoor heat of user, gets into compressors 1 through four-way change-over valve 4 and gets into next circulation.
Like Fig. 1, Fig. 5, Fig. 6 and shown in Figure 7; Present embodiment and embodiment 1 difference are that the two thermal source heat exchangers of its said solar energy-air are around slice structure, its heat exchanger tube 6 S-shaped bendings; A plurality of annular fins 7 are sheathed on the heat exchanger tube outside; Upper and lower adjacent two layers fin is an isolating construction, and the single fin in the upper and lower adjacent two layers fin is alignment up and down, constitutes air flow passage.
Except such scheme, many places of the present invention structure can also many distortion.Such as, the profile of the two thermal source heat exchangers of solar energy-air also can adopt other form, needs not to be square; This can be through changing the shape of fin among the embodiment 1; And the arrangement mode of fin gets final product among the embodiment 2, and simultaneously, fin also can be provided with and be certain moulding; So that air flows, improve heat exchange efficiency.The solar radiation absorbing coating of fin and heat exchange pipe external surface also can adopt other color with better solar radiative absorption performance, such as brown, also can be coated on fin and outer tube outer surface through the mode of spraying or brushing.Simultaneously, said sunshading board adopts foldable mode to be located on the two thermal source heat exchangers of solar energy-air, and this sunshading board is connected with drive motors through a driving mechanism; Driving mechanism is made up of rack-and-pinion; Sunshading board is located on the two thermal source heat exchangers of solar energy-air through hinge and chute, and gear is fixed on the output shaft of drive motors, and wheel and rack is meshed; Tooth bar one end is connected with sunshading board through bearing pin, by the expansion and the gathering of drive motors control shield.
Claims (7)
1. solar energy-air dual-heat-source heat pump air-conditioner; Comprise compressor (1), off-premises station heat exchanger (2), user side heat exchanger (3), four-way change-over valve (4), choke valve (5) and connecting line; It is characterized in that: the outlet of compressor (1) connects an interface of user side heat exchanger (3) working medium passage and an interface of off-premises station heat exchanger (2) working medium passage respectively through four-way change-over valve (4); The indoor air conditioner of user is connected with user side heat exchanger (3) with air-conditioning return pipe (13) through air-conditioning feed pipe (12); Said off-premises station heat exchanger (2) is the two thermal source heat exchangers (2) of solar energy-air, and the two thermal source heat exchangers (2) of solar energy-air comprise sunshading board (11), heat exchanger tube (6), the fin (7) that combines with heat exchanger tube (6) outer wall; And the solar radiation absorbing coating on heat exchanger tube (6) and fin (7) outer surface; In the heat exchanger tube (6) is heat pump fluid passage (8), and the gap between the fin (7) constitutes air heat source passage (9), on the two thermal source heat exchangers (2) of solar energy-air, is provided with blower fan (10); Blower fan (10) is positioned at a side of the two thermal source heat exchangers of solar energy-air; Said sunshading board (11) adopts foldable mode to be located on the two thermal source heat exchangers (2) of solar energy-air, and this sunshading board (11) is connected with drive motors through a driving mechanism, and driving mechanism is made up of rack-and-pinion; Sunshading board is located on the two thermal source heat exchangers of solar energy-air through hinge and chute; Gear is fixed on the output shaft of drive motors, and wheel and rack is meshed, and tooth bar one end is connected with sunshading board through bearing pin.
2. solar energy-air dual-heat-source heat pump air-conditioner as claimed in claim 1; It is characterized in that: the two thermal source heat exchangers (2) of said solar energy-air are the nest plate type structure; Fin (7) thin plate that is rectangle; Be provided with the gap between adjacent two fins (7), the profile of the two thermal source heat exchangers (2) of this solar energy-air of the range upon range of formation of fin (7), the S-shaped bending of heat exchanger tube (6) is arranged between the fin (7).
3. solar energy-air dual-heat-source heat pump air-conditioner as claimed in claim 1 is characterized in that: the two thermal source heat exchangers (2) of solar energy-air are around slice structure, the S-shaped bending of its heat exchanger tube (6), and fin (7) is sheathed on the heat exchanger tube outside.
4. like claim 1 or 2 or 3 described solar energy-air dual-heat-source heat pump air-conditioners, it is characterized in that: the solar radiation absorbing coating adopts electro-plating method to be located at heat exchanger tube (6) and fin (7) outer surface.
5. like claim 1 or 2 or 3 described solar energy-air dual-heat-source heat pump air-conditioners, it is characterized in that: the solar radiation absorbing coating is located at heat exchanger tube (6) and fin (7) outer surface through spraying or brushing method.
6. solar energy-air dual-heat-source heat pump air-conditioner as claimed in claim 3 is characterized in that: single fin (7) is the annular thin slice.
7. solar energy-air dual-heat-source heat pump air-conditioner as claimed in claim 1 is characterized in that: said sunshading board (11) adopts removably to be located on the two thermal source heat exchangers (2) of solar energy-air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102967425A CN101936623B (en) | 2010-09-29 | 2010-09-29 | Solar energy-air dual heat source heat pump air conditioner |
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| CN2010102967425A CN101936623B (en) | 2010-09-29 | 2010-09-29 | Solar energy-air dual heat source heat pump air conditioner |
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| CN101936623A CN101936623A (en) | 2011-01-05 |
| CN101936623B true CN101936623B (en) | 2012-05-30 |
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Families Citing this family (11)
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| CN102175062A (en) * | 2011-03-08 | 2011-09-07 | 王斌 | Heat-pump-type solar heat source system and applications thereof |
| CN103032995A (en) * | 2012-12-27 | 2013-04-10 | 东北大学 | Heat accumulation type multi-heat-source heat pump set |
| CN104566966A (en) * | 2013-10-15 | 2015-04-29 | 珠海兴业绿色建筑科技有限公司 | Heat pipe assisted solar heat pump system |
| CN103673311B (en) * | 2013-12-31 | 2015-12-09 | 广东纽恩泰新能源科技发展有限公司 | The dual-purpose water heater of solar heat pump and heating method |
| CN105020890A (en) * | 2015-06-13 | 2015-11-04 | 朱瑞瑞 | Outdoor heat collecting device of heat pump |
| CN105020823A (en) * | 2015-07-28 | 2015-11-04 | 侴乔力 | Air and solar energy composite source drive upward air curtain central heat pump air conditioning |
| CN105004049A (en) * | 2015-07-28 | 2015-10-28 | 侴乔力 | Heat pump water heater driven by air-solar hybrid source |
| CN105003987A (en) * | 2015-07-28 | 2015-10-28 | 侴乔力 | Upward air curtain split heat pump air conditioner driven by air-solar hybrid source |
| CN105135562A (en) * | 2015-07-28 | 2015-12-09 | 侴乔力 | Upward air curtain multi-union type heat pump air conditioner driven through air solar composite source |
| CN105066510A (en) * | 2015-07-28 | 2015-11-18 | 侴乔力 | Air-solar-combining-source-driving household type heat pump air-conditioning water heating unit |
| CN105066297A (en) * | 2015-07-28 | 2015-11-18 | 侴乔力 | Upward air curtain household type heat pump air conditioner driven by air and sun composite source |
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