CN109386973A - Roll over the new air -return duct partition type solar energy air heat collector of shape spoiler and heating system - Google Patents

Roll over the new air -return duct partition type solar energy air heat collector of shape spoiler and heating system Download PDF

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Publication number
CN109386973A
CN109386973A CN201811291491.4A CN201811291491A CN109386973A CN 109386973 A CN109386973 A CN 109386973A CN 201811291491 A CN201811291491 A CN 201811291491A CN 109386973 A CN109386973 A CN 109386973A
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China
Prior art keywords
air
return
flow path
solar energy
heat collector
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CN201811291491.4A
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CN109386973B (en
Inventor
满意
王亮
姜国心
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Shandong Jianzhu University
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Shandong Jianzhu University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00Other domestic- or space-heating systems
    • F24D15/02Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00Heat sources or energy sources
    • F24D2200/14Solar energy

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

Present disclose provides a kind of new air -return duct partition type solar energy air heat collectors of folding shape spoiler, including shell, transparent cover plate, absorber plate and thermal insulation layer, the transparent cover plate is set to the top of shell, the thermal insulation layer is set to the bottom of shell, the absorber plate is set in shell and shell is divided into the independent air duct of upper layer and lower layer, folding shape spoiler is equipped in the upper layer air duct and lower layer air duct, baffle is additionally provided in the upper layer air duct, upper layer air duct is divided into fresh air flow path area and return air flow path area by the baffle, and the lower layer air duct is return air runner.The disclosure realizes fresh air and return air required for Heating Room and handles respectively by the way that heat collector is divided into fresh air area runner and return zone runner, thus the efficiency of solar energy heating system that greatly improved solar energy air heat collector and entire.

Description

Roll over the new air -return duct partition type solar energy air heat collector of shape spoiler and heating system
Technical field
The disclosure belongs to solar energy optical-thermal conversion art, and in particular to it is a kind of with folding shape flow-disturbing it is board-like by fresh flue and The plate solar air collector and solar energy heating system of air -return duct subregion.
Background technique
Plate type solar air collector by transparent cover plate, the absorber plate with coating for selective absorption, insulating layer with And four parts of shell form.Photothermal conversion process are as follows: solar radiation is absorbed after penetrating transparent cover plate by absorber plate, passes through air Heat convection effect between absorber plate, realizes the photothermal conversion process of solar energy.
In existing technology, realize that the method for improving solar energy air heat collector efficiency mainly has: (1) to solar energy sky The transparent cover plate of gas heat collector improves, and while promoting the transmitance of transparent cover plate, reduces its thermal coefficient, main mesh Be reduce heat collector entirety heat loss factor;(2) absorber coatings of heat collector absorber plate are improved, changes heat absorption material The property of material makes it have higher solar radiative absorption rate.(3) absorber plate of heat collector is improved, it is empty strengthens medium Convection heat transfer intensity between gas and absorber plate, such as changes that traditional plate is corrugated plating, to install spoiler additional, level off plate be punching Stitch template etc..
In the board-like solar energy air heat collector of existing installation flow-disturbing, spoiler is mostly plate, and air is made in runner Snakelike flowing improves the collecting efficiency of heat collector, still although improving the heat convection effect of air and absorber plate With certain rising space;And in existing solar energy air heat collector, it is same to be not carried out separating for fresh air and return air When handle.It is found via patent application human simulation and Experimental comparison, fresh air and return air is realized in solar energy air heat collector Processing respectively can effectively improve the thermal efficiency of solar air heating system, while can be obviously improved indoor air quality.
Summary of the invention
In order to further enhance the collecting efficiency of the board-like solar energy air heat collector of flow-disturbing, solar air heating system is improved The thermal efficiency of system improves air quality in Heating Room, and present disclose provides a kind of new air -return duct partition types of folding shape spoiler too Positive energy air collector and heating system fill while promoting air and absorber plate and spoiler heat convection ability Point using heat collector lower layer air duct, and the upper layer air duct of heat collector is divided into fresh air area runner and return zone runner, will be for Required fresh air and return air are handled respectively between greenhouse, to greatly improve solar energy air heat collector and entire solar heating The efficiency of system.
To achieve the goals above, the technical solution of the disclosure is as follows:
A kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler, including shell, transparent cover plate, absorber plate And thermal insulation layer, the transparent cover plate are set to the top of shell, the thermal insulation layer is set to the bottom of shell, and the absorber plate is set It is placed in shell and shell is divided into the independent air duct of upper layer and lower layer, folding shape is equipped in the upper layer air duct and lower layer air duct and is disturbed Flowing plate is additionally provided with baffle in the upper layer air duct, and upper layer air duct is divided into fresh air flow path area and return air flow path area by the baffle, The lower layer air duct is return air runner.
Further, the fresh air flow path area, return air flow path area and lower layer air duct are equipped with independent air inlet and go out Air port.
Further, the fresh air flow path area and return air flow path area are symmetrical arranged.
Further, the folding shape spoiler is uniformly distributed in fresh air flow path area, return air flow path area and lower layer air duct, institute Folding shape spoiler is stated to be used to the gas flow in fresh air flow path area, return air flow path area and lower layer air duct being divided into serpentine flow path.
Further, each folding shape spoiler includes several baffles, the baffle series connection folding shape arrangement.
Further, the angle of the baffle series connection folding shape arrangement is 50o-70o.
Further, the air inlet of the fresh air flow path area is connected with outdoor fresh air, and air outlet is connected with room air, institute It is indoor for outdoor fresh air to be heated to being sent into after room temperature to state fresh air flow path area, to improve the air quality of indoor environment.
Further, the air inlet of the return air runner is connected with room air with air outlet, the return air runner It heats for being sent into interior after reheating room air.
Further, the thermal insulation layer includes but is not limited to stone rock wool.
A kind of solar energy heating system, including solar energy air heat collector as described above.
Compared with prior art, the beneficial effect of the disclosure is:
1, the disclosure enhances air and absorber plate and baffling by the mobilization between enhancing air and baffle plate The exchange capability of heat of plate reduces temperature of the air in flow field, speed dead zone, the uniformity in flow field is improved, to reach promotion Heat transfer effect;
2, the disclosure makes full use of the lower layer air duct of heat collector, and heat collector is divided into fresh air area runner and return zone stream Road realizes fresh air and return air required for Heating Room and handles respectively, so that solar energy air heat collector greatly improved With the efficiency of entire solar energy heating system, and indoor air quality is significantly improved.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector schematic diagram of shape spoiler
Fig. 2 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector main view of shape spoiler
Fig. 3 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector left view of shape spoiler
Fig. 4 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector upper layer air channel structure figure of shape spoiler, packet Include fresh air flow path area and return air flow path area;
Fig. 5 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector lower layer return air flow passage structure of shape spoiler Figure;
Fig. 6 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector upper layer air duct top view of shape spoiler, packet Include fresh air flow path area and return air flow path area;
Fig. 7 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector lower layer return air runner vertical view of shape spoiler Figure;
Fig. 8 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector upper layer temperature profile of shape spoiler;
Fig. 9 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector lower layer temperature profile of shape spoiler;
Figure 10 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector upper layer velocity contour of shape spoiler;
Figure 11 is that the disclosure rolls over the new air -return duct partition type solar energy air heat collector lower layer velocity contour of shape spoiler;
In figure, 1-1, upper layer fresh air flow path area air inlet, 1-2, upper layer return air flow path area air inlet, 2, absorber plate, 3, thoroughly Bright cover board, 4, upper layer spoiler, 5-1, upper layer fresh air flow path area air outlet, 5-2, upper layer return air flow path area air outlet, 6, lower layer Air outlet, 7, lower layer's spoiler, 8, lower layer's air inlet, 9, baffle, 10, thermal insulation layer.
Specific embodiment
The disclosure is described further with specific embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ", The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection, It is also possible to be integrally connected or is detachably connected;It can be directly connected, it can also be indirectly connected through an intermediary.For The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be, It should not be understood as the limitation to the disclosure.
As shown in Figure 1-3, a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler, including shell, thoroughly Bright cover board 3, absorber plate 2 and thermal insulation layer 10, the transparent cover plate 3 are set to the top of shell, and the thermal insulation layer 10 is set to shell The bottom of body, the absorber plate 2 are set in shell and shell are divided into the independent air duct of upper layer and lower layer, the upper layer air duct and It is equipped with folding shape spoiler in lower layer air duct, is additionally provided with baffle 9 in the upper layer air duct, the baffle 9 divides upper layer air duct For fresh air flow path area and return air flow path area, the lower layer air duct is return air runner.
The fresh air flow path area, return air flow path area and lower layer air duct are equipped with independent air inlet and air outlet.
As shown in figure 4, the fresh air flow path area and return air flow path area are symmetrical arranged.
In specific implementation, the fresh air flow path area and return air the flow path area symmetrical arrangement in the air duct of upper layer.
As shown in figs. 4-7, the folding shape spoiler is uniformly distributed in fresh air flow path area, return air flow path area and lower layer air duct Interior, the folding shape spoiler is for the gas flow in fresh air flow path area, return air flow path area and lower layer air duct to be respectively divided into Serpentine flow path.
Each folding shape spoiler includes several baffles, the baffle series connection folding shape arrangement.
In specific implementation, when the folding shape spoiler 4 and 7 is arranged as illustrated in figures 4-5, the parallel cloth in each air duct It sets.
The angle of the baffle series connection folding shape arrangement is 50o-70o, and the angle within the scope of this can effectively enhance in heat collector The flow-disturbing intensity of interior air, to enhance the convection heat transfer intensity between air and absorber plate and spoiler.
The air inlet 1-1 of the fresh air flow path area is connected with outdoor fresh air, and air outlet 5-1 is connected with room air, described Fresh air flow path area is used to be sent into interior after outdoor fresh air to be heated to room temperature, to improve the air quality of indoor environment.
The efficiency of solar energy air heat collector greatly improved in the design.
The air inlet 1-2 and 8 of the return air runner is connected with room air with air outlet 5-2 and 6, the return It heats for being sent into interior after reheating room air in road.
The thermal insulation layer 10 includes but is not limited to stone rock wool.
The material of the folding shape spoiler 4,7 and absorber plate 2 is aluminium, and surface is coated with aluminium nitrogen aluminized coating.
The course of work of the disclosure are as follows:
Within the period that there is solar radiation on daytime, upper layer fresh air flow path area air inlet 1-1, upper layer return air flow path area are opened Air inlet 1-2 and lower layer's air inlet 8, and blower is made to open operating, so that Heating Room return air and external environment fresh air flow into and collect In hot device, and heat convection is carried out with absorber plate 2 and folding shape spoiler 4,7 in the serpentine flow path of heat collector, then by outlet air The discharge of mouth 5-1,5-2 and 6, is sent into Heating Room after wherein return air is heated by lower layer air duct and upper layer right air path and carries out Heating, outdoor fresh air are heated to after room temperature by upper layer left air path and are sent into Heating Room improvement air quality.
In a certain embodiment, when return air inlet temperature is 18 DEG C, fresh air inlet temperature is 3 DEG C, using different import wind When fast, the disclosure folding new air -return duct partition type solar energy air heat collector of shape spoiler can obtain different new return air outlet temperature Degree and collecting efficiency, as shown in table 1.
Heat collector outlet temperature and collecting efficiency when the different import wind speed of table 1 compare
Through comparing, when import wind speed is 1.5m/s, the disclosure rolls over the new air -return duct partition type solar air of shape spoiler Heat collector can obtain suitable heating supply air temperature, while collecting efficiency is up to 55.29%.Under this condition, the disclosure rolls over shape Temperature Distribution and VELOCITY DISTRIBUTION such as Fig. 8-in the upper and lower layer air duct of the new air -return duct partition type solar energy air heat collector of spoiler Shown in 11.
The disclosure additionally provides a kind of solar energy heating system, including solar energy air heat collector as described above.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.

Claims (10)

1. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler, which is characterized in that including shell, transparency cover Plate, absorber plate and thermal insulation layer, the transparent cover plate are set to the top of shell, and the thermal insulation layer is set to the bottom of shell, institute It states absorber plate to be set in shell and shell is divided into the independent air duct of upper layer and lower layer, in the upper layer air duct and lower layer air duct Equipped with folding shape spoiler, be additionally provided with baffle in the upper layer air duct, the baffle by upper layer air duct be divided into fresh air flow path area and Return air flow path area, the lower layer air duct are return air runner.
2. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as described in claim 1, feature exist In the fresh air flow path area, return air flow path area and lower layer air duct are equipped with independent air inlet and air outlet.
3. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as described in claim 1, feature exist In the fresh air flow path area and return air flow path area are symmetrical arranged.
4. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as described in claim 1, feature exist In the folding shape spoiler is uniformly distributed in fresh air flow path area, return air flow path area and lower layer air duct, and the folding shape spoiler is used In the gas flow in fresh air flow path area, return air flow path area and lower layer air duct is divided into serpentine flow path.
5. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as described in claim 1, feature exist In each folding shape spoiler includes several baffles, the baffle series connection folding shape arrangement.
6. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as claimed in claim 5, feature exist In the angle of the baffle series connection folding shape arrangement is 50 ° -70 °.
7. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as described in claim 1, feature exist In the air inlet of the fresh air flow path area is connected with outdoor fresh air, and air outlet is connected with room air, and the fresh air flow path area is used It is sent into after outdoor fresh air to be heated to room temperature indoor.
8. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as described in claim 1, feature exist In the air inlet of the return air runner is connected with room air with air outlet, and the return air runner is used for room air Interior is sent into after reheating to heat.
9. a kind of new air -return duct partition type solar energy air heat collector of folding shape spoiler as described in claim 1, feature exist In the thermal insulation layer includes but is not limited to stone rock wool.
10. a kind of solar energy heating system, which is characterized in that including the solar air collection as described in claim 1-9 is any Hot device.
CN201811291491.4A 2018-10-31 2018-10-31 New return air duct partition type solar air heat collector with folded spoilers and heating system Active CN109386973B (en)

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CN109386973B CN109386973B (en) 2020-02-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112128901A (en) * 2020-11-03 2020-12-25 西安建筑科技大学 A combined coil air treatment device, an air treatment system based thereon, and a method of using the same
CN114684351A (en) * 2022-06-01 2022-07-01 中国航空工业集团公司沈阳飞机设计研究所 Aircraft belly spoiler configuration with pressure reduction and load shedding capacity
KR20240062290A (en) * 2022-10-31 2024-05-09 주식회사 유니온씨티 Heating system using a heat-generating partition

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Publication number Priority date Publication date Assignee Title
US3965887A (en) * 1974-10-07 1976-06-29 Gramer Eben J Method of heating a liquid and solar heating panel therefor
CN101087980A (en) * 2004-12-22 2007-12-12 拜尔材料科学股份公司 Radiation collector
CN102141304A (en) * 2011-03-10 2011-08-03 同济大学 Highly-efficient gas-water hybrid solar heat collector and application thereof
CN102322695A (en) * 2011-09-30 2012-01-18 中国建筑设计研究院 Photovoltaic drive solar air collector
CN206176770U (en) * 2016-11-23 2017-05-17 中国建筑设计院有限公司 Pottery heat accumulation solar energy air heat collector
CN206176769U (en) * 2016-11-23 2017-05-17 中国建筑设计院有限公司 Panel type solar air heat collector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965887A (en) * 1974-10-07 1976-06-29 Gramer Eben J Method of heating a liquid and solar heating panel therefor
CN101087980A (en) * 2004-12-22 2007-12-12 拜尔材料科学股份公司 Radiation collector
CN102141304A (en) * 2011-03-10 2011-08-03 同济大学 Highly-efficient gas-water hybrid solar heat collector and application thereof
CN102322695A (en) * 2011-09-30 2012-01-18 中国建筑设计研究院 Photovoltaic drive solar air collector
CN206176770U (en) * 2016-11-23 2017-05-17 中国建筑设计院有限公司 Pottery heat accumulation solar energy air heat collector
CN206176769U (en) * 2016-11-23 2017-05-17 中国建筑设计院有限公司 Panel type solar air heat collector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112128901A (en) * 2020-11-03 2020-12-25 西安建筑科技大学 A combined coil air treatment device, an air treatment system based thereon, and a method of using the same
CN114684351A (en) * 2022-06-01 2022-07-01 中国航空工业集团公司沈阳飞机设计研究所 Aircraft belly spoiler configuration with pressure reduction and load shedding capacity
KR20240062290A (en) * 2022-10-31 2024-05-09 주식회사 유니온씨티 Heating system using a heat-generating partition
KR102802622B1 (en) * 2022-10-31 2025-05-07 주식회사 유니온씨티 Heating system using a heat-generating partition

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