CN1858515B - Vertically placed type three-dimensional solar energy collecting plate core - Google Patents
Vertically placed type three-dimensional solar energy collecting plate core Download PDFInfo
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- CN1858515B CN1858515B CN2005100256536A CN200510025653A CN1858515B CN 1858515 B CN1858515 B CN 1858515B CN 2005100256536 A CN2005100256536 A CN 2005100256536A CN 200510025653 A CN200510025653 A CN 200510025653A CN 1858515 B CN1858515 B CN 1858515B
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- Prior art keywords
- energy collecting
- thermofin
- plate core
- solar energy
- vertically placed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
- F24S10/753—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being parallel to each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
- F24S2010/751—Special fins
- F24S2010/752—Special fins extending obliquely
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The vertically placed 3D solar energy collecting plate core consists of heat conducting pipe, heat absorbing fins and other parts, and features that the energy collecting and heat transferring fins are vertically crossed to the heat conducting pipe and that each of the energy collecting and heat transferring fins has one inclined folded end toward the sun. The plate core is suitable for installation to any place with different shapes, and when it is vertically installed, the plate core can reflect and absorb direct sunlight, ground reflected light and diffuse reflected light, and has expanded application range.
Description
Technical field
The present invention relates to solar utilization technique, especially a kind of vertically placed type three-dimensional solar energy collecting plate core technology.
Background technology
Solar thermal collector is the core component that solar energy utilizes, divide inclined-plane installation system and metope installation system according to mounted angle, the vertically placed type solar thermal collector is an a kind of metope system, mainly being suitable for heat collector puts or vertically installs in that metope is perpendicular, also be suitable for the installation of other optional positions, the plate core of solar heat-collecting that the vertically placed type metope is installed comprises heat transfer tube and heat absorption fin etc., its working face often is designed to have the shape of reflection-absorption, characteristics are the direct light and the reverberation that can absorb from incident on a plurality of directions, transfer luminous energy to heat energy, electric energy or both output, its effective work area is more than a times of two-dimentional collector plate core, in addition, its heat absorption working face usually and in a certain angle between horizontal plane, thereby, often be designed to inclined-plane etc., also require the perpendicular installation back solar thermal collector of putting to keep higher heat absorption efficiency and heat transfer efficiency during as heat collector simultaneously, wherein, heat absorption efficiency is to lean on the absorbing structure characteristic of fin to realize, heat transfer efficiency then is to lean on the syndeton characteristic of fin and heat pipe to realize that collecting efficiency is made of jointly heat absorption efficiency and heat transfer efficiency two parts.
The Chinese patent CN2410591Y that has announced relates to the vertically arranged three-dimensional solar water heater of a kind of dull and stereotyped balcony sideboard type, it is characterized in that the placement of heat collector transverse horizontal, whole vertical the installation, the fin of the tube-sheet type absorber heat transfer tube in the heat collector is tilted-putted, its heat transfer tube and its fin are that the garden cylinder of heat pipe contacts fixedly connected with the line on fin plane, therefore, its heat transfer tube also is horizontal positioned, thereby, its end of inserting the heat-transfer pipe of union pipe is to be with the yaw that makes progress, the heat collector of this form is easily made the parapet-type structure and is organically combined with the building balcony, to avoid the influence of installation to architectural appearance.The design consideration accompanying drawing of fin heat absorption working face is the straight-tooth sawtooth pattern in the technique scheme, wherein, what make progress is subjected to light work straight-sided flank vertical with incident sunlight, again with reference to the accompanying drawings shown in, the non-light straight-sided flank that is subjected to is perpendicular, so just, can accept from the reverberation on the ground return direction, but square being inversely proportional to of light intensity and distance, actual light intensity from the ground reflection is very low, owing to be vertical between the two, so the reverberation direction on the addendum flank is approximate parallel with dedendum flank, and dedendum flank is very little to the reverberation absorbability from addendum flank, therefore, the reflection-absorption efficient of this straight-tooth serrated fin is very low, in addition, also is not suitable for the installation of other optional positions.
Another Chinese patent CN2284934 has adopted falling-in plate rib heat collector, its method is to adopt the plate core of forming dull and stereotyped three-dimensional heat collector perpendicular to the parallel blacking absorption blade and the heat transfer tube of heat transfer tube, wherein, the non-end on the sunny side that absorbs blade has a flanging at least, be used to tackle and absorb the direct sunlight that is trapped in the heat collector, be suitable for installing and using in that roofing is tilting.When adopting this technical scheme, the absorption efficiency of heat collector no doubt can improve greatly, but its heat transfer efficiency will only absorb between blade and heat transfer heat pipe for annulus molded lines transmission of heat by contact and exists fit clearance to reduce significantly owing to it, thereby, certainly will cause whole collecting efficiency low; And a plurality of heat transfers on each blade connect and cooperate the holes must be respectively and suitable between a plurality of heat pipe, and processing technology and required precision are very high, the manufacturing cost rising.
In sum, the defective of prior art awaits further solution.
Summary of the invention
The object of the present invention is to provide a kind of being applicable to comprise the vertical perpendicular vertically placed type three-dimensional solar energy collecting plate core of putting in being installed in that can arbitrarily angledly install and use, this vertically placed type three-dimensional solar energy collecting plate core can possess good absorbent properties and heat transfer property simultaneously, handling ease work efficiency height, cost are low, and are suitable for use as the energy collecting in solar energy optical-thermal conversion and the opto-electronic conversion and the substrate body of heat transfer plate core simultaneously.
The present invention is achieved through the following technical solutions: the present invention adopts a kind of vertically placed type three-dimensional solar energy collecting plate core, comprise heat pipe and a plurality of heat absorption fin, described heat absorption fin is the energy collecting thermofin, the energy collecting thermofin have an inclined broken surface to oedoeagus, and be parallel to each other between a plurality of inclined broken surfaces, it is characterized in that, have solar energy wavelength selectivity or nonselective surperficial absorbed layer on the inclined broken surface of described energy collecting thermofin, be a sharp angle α between this inclined broken surface and energy collecting thermofin primary plane, the mutual setting of energy collecting thermofin and heat pipe heat transfer junction is the primary plane of energy collecting thermofin and the intersect vertical axis of heat pipe, between described energy collecting thermofin and heat pipe, described heat transfer junction is that expansion set connects.The ratio B of parallel distance size is between 1-4 between the inclined broken surface cross-sectional length of described energy collecting thermofin and its inclined broken surface.Described energy collecting thermofin is molded through disposable stamping-out.Sharp angle α between described energy collecting thermofin primary plane and its inclined broken surface is between positive and negative 3 °-75 °.Described energy collecting thermofin is provided with surperficial absorbed layer outward by single or non-single base material and is formed.Described plate core comprises the energy collecting tube core of glass thermal-arrest/energy pipe in the energy collecting plate core of flat thermal-arrest/energy device or the electron tubes type thermal-arrest/energy device.Described solar energy wavelength selectivity or nonselective surperficial absorbed layer are photo-thermal conversion absorbed layer or opto-electronic conversion absorbed layer or both combinations.Described energy collecting thermofin has rearmounted barrier flaps, and rearmounted barrier flaps is non-to the oedoeagus setting the energy collecting thermofin.Described base material is metal or nonmetal or its combination.Between the inclined broken surface cross-sectional length of described energy collecting thermofin and its inclined broken surface the parallel distance size than B optimum range at 1.5-2.5.
The present invention's advantage compared with prior art is as follows: owing to have an inclined broken surface at the energy collecting thermofin to oedoeagus, and be a sharp angle α between the inclined broken surface that is parallel to each other and its energy collecting thermofin primary plane, this makes the plate core can be suitable for installing and using of optional position, particularly when vertically installing and using can to direct light, reverberation and diffuse repeatedly reflection-absorption ability is all arranged, the scope of application of plate core obtains enlarging; In addition, again because the mutual setting of energy collecting thermofin and heat pipe heat transfer junction is its plane and the axis of heat pipe intersects mutually, the processing technology that makes heat transfer between the two connect is improved, the quality that connects of conducting heat is easy to be protected, the raising that helps improving heat transfer efficiency and reach whole energy collecting efficient, and help reducing manufacturing cost.
Concrete application of the present invention and as follows with the comparative effectiveness of prior art:
(1) installation site applicability: compared with prior art, vertically placed type three-dimensional solar energy collecting plate core of the present invention is applicable at an arbitrary position to be installed and used, as when vertical perpendicular the putting, can select to set the energy collecting thermofin to oedoeagus with inclined broken surface and the sharp angle between energy collecting thermofin primary plane, the reflection deflecting plate in-core side of the feasible direct sunlight that is received, can between the inclined broken surface that is parallel to each other, produce repeatedly reflection and absorb, when the absorptivity of the solar energy wavelength selectivity that adopted surface absorbed layer 90% the time, even the winter solstice sooner or later during sun low angle and day in the Spring Equinox sun high angle incidence angle at high noon maximum changing value at 45 °, as long as the ratio B of parallel distance size is between 1-4 between the inclined broken surface cross-sectional length of energy collecting thermofin and its inclined broken surface, promptly guarantee to absorb the triple reflection that is produced, the efficient sum of its absorption can reach 90% * cos45 °+36.36% * cos45 °+10.66% * cos45 °=96.87%, is better than the absorbance index performance of existing optimal material when tilting.
The flexibility (adaptability) of operation of (2) heat transfer syndeton can improve: energy collecting thermofin and heat pipe intersect vertical axis, the processing technology that can make heat transfer between the two connect is improved, as be suitable for adopting that roughly the same expansion set connection, soldering, the heat conduction between air conditioner condensation organ pipe wing is bonding, soak the processing technology of soldering or fusion soldering compound connections such as (Braze) behind the expansion set, with prior art owing to intersect the flexibility (adaptability) of operation of angle limits and compare, help processing and improve heat transfer contact area and efficient, reduce production costs.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the cutaway view of Fig. 1;
The specific embodiment
Press Fig. 1, shown in Figure 2, the vertically placed type three-dimensional solar energy collecting plate core of the embodiment of the invention is by heat pipe 1, a plurality of heat absorption fin 2 compositions such as grade, the heat absorption fin is the energy collecting thermofin, the mutual setting of energy collecting thermofin and heat pipe heat transfer junction is the intersect vertical axis of its plane and heat pipe, simultaneously, the energy collecting thermofin have an inclined broken surface to oedoeagus, be a sharp angle α between this inclined broken surface and energy collecting thermofin primary plane, this sharp angle α can be between positive and negative 3 °-75 °, specifically can determine, be parallel to each other between a plurality of inclined broken surfaces according to the geographic latitude on suitable ground and the angle requirement of installation occasion etc.Rule of thumb, between the inclined broken surface cross-sectional length of energy collecting thermofin and its inclined broken surface the ratio B of parallel distance size between 1-4 doubly, its optimum range is chosen in 1.5-2.5 doubly, at this moment, just can make the preceding triple reflection of incident light all drop on the inclined broken surface and is absorbed.
Have solar energy wavelength selectivity or nonselective surperficial absorbed layer on the inclined broken surface of energy collecting thermofin, but solar energy wavelength selectivity or nonselective surperficial absorbed layer photo-thermal conversion absorbed layer or opto-electronic conversion absorbed layer or both combinations.
It can be that solar energy selective absorbs photothermal transformation layer or solar-energy photo-voltaic cell paster or opto-electronic conversion film or the above two combination arbitrarily that the solar energy that has on the working face of described metal heat absorption fin utilizes functional material layer, as band solar-energy photo-voltaic cell paster on the normal incidence inclined broken surface of sunlight, the band solar energy selective absorbs photothermal transformation layer on the reflection incident inclined broken surface, thereby forms the photo-thermal energy collector of mixed type.The energy collecting thermofin is provided with surperficial absorbed layer outward by single or non-single base material and is formed.
But described base material metal or nonmetal or its combination, the former is as aluminium or forming process of ceramics material, or the bonding combination of aluminium and ceramic insulation Heat Conduction Material interlayer.Constituting between base material and heat pipe conducts heat becomes plate core substrate body after being connected, and then becomes three-dimensional solar energy collecting plate core again after surperficial absorbed layer and heat pipe being set on its energy collecting thermofin and the connection header is connected.Described heat pipe is with the metal flow deferent or the heat pipe of heat-conducting liquid.
Distribution density rule of thumb should be between 10～1000/meter longitudinally along this energy collector plate core for the oblique aerofoil of described energy collecting thermofin, should get between the 10-100/rice during band photoelectric conversion layer.
Between described energy collecting thermofin and heat pipe between a plurality of energy collecting thermofins and a heat pipe be connected or a plurality of energy collecting thermofin and a plurality of heat pipes between be connected.The application of plate core comprises the energy collecting tube core as glass thermal-arrest (energy) pipe in the energy collecting plate core of flat thermal-arrest (energy) device or electron tubes type thermal-arrest (energy) device.
The energy collecting thermofin can have rearmounted barrier flaps, and rearmounted barrier flaps is non-to the oedoeagus setting the energy collecting thermofin.Be provided with rearmounted barrier flaps the thermal capacitance of plate core is increased, this is unfavorable for the thermal-arrest sensitivity that improves the plate core.
In addition, between energy collecting thermofin and heat pipe, the heat transfer that constitutes in its junction connect comprised be welded to connect, expansion set connects, bonding connection or its combination.Because energy collecting thermofin and heat pipe axis adopt and intersect vertically, the processing technology raising that can make conducts heat between the two connects, being convenient to adopt roughly the same, the expansion set between air conditioner condensation organ pipe wing connects processing, wherein, the energy collecting thermofin can adopt aluminium, can be molded through disposable stamping-out, only Duo an inclined broken surface than existing air-conditioning condenser fin, processing cost is low, the work efficiency height, and, can be behind the expansion set through soaking the auxiliary reinforcement of the technologies that are connected such as soldering or fusion soldering (Braze) or heat conduction is bonding,, help processing and improve heat transfer contact area and efficient owing to intersect the flexibility (adaptability) of operation of angle limits and compare with prior art.
Operation principle: the vertically placed type three-dimensional solar energy collecting plate core is applicable at an arbitrary position to be installed and used, as when vertical perpendicular the putting, shine upon on the energy collecting tube core of glass thermal-arrest/energy pipe in as the energy collecting plate core of flat thermal-arrest/energy device or electron tubes type thermal-arrest/energy device, as select to set the energy collecting thermofin to oedoeagus with inclined broken surface and the sharp angle between energy collecting thermofin primary plane, with the Beijing area is example, the geographic latitude angle is approximately 40 °, the variation at solar latitude angle is at 22 °, therefore, desirable 90 °-40 °-22 °=28 ° of theoretical sharp angle α, consider the processing and the alignment error of energy collecting plate core and inclined broken surface, reality adds 5 °-7 ° by way of compensation in addition, guarantee to make the catoptrical incidence reflection light in the direct sunlight that received and ground the energy collecting thermofin to oedoeagus with inclined broken surface on the equal deflecting plate in-core of the reflection side that produces, the ratio B of parallel distance size is between 1-4 when between the inclined broken surface cross-sectional length of energy collecting thermofin and its inclined broken surface, when putting for the Beijing area energy collecting plate core is vertically perpendicular, its optimum range can be chosen in 1.5-2.5 doubly, the absorptivity of the solar energy wavelength selectivity surface absorbed layer that is promptly adopted was at 90% o'clock, even the winter solstice is sooner or later during sun low angle and the maximum changing value of summer solstice sun high angle incidence angle at high noon is actual gets 28 °, also can guarantee to absorb the triple reflection that is produced, after energy collecting plate core absorbs solar energy, coupled heat pipe is given in conduction, through its circulating heat exchanging pipe and water tank heat exchange, thereby the heat on the energy collecting plate core is exported endlessly.
Claims (10)
1. vertically placed type three-dimensional solar energy collecting plate core, comprise heat pipe and a plurality of heat absorption fin, described heat absorption fin is the energy collecting thermofin, the energy collecting thermofin have an inclined broken surface to oedoeagus, and be parallel to each other between a plurality of inclined broken surfaces, it is characterized in that, have solar energy wavelength selectivity or nonselective surperficial absorbed layer on the inclined broken surface of described energy collecting thermofin, be a sharp angle α between this inclined broken surface and energy collecting thermofin primary plane, the mutual setting of energy collecting thermofin and heat pipe heat transfer junction is the primary plane of energy collecting thermofin and the intersect vertical axis of heat pipe, between described energy collecting thermofin and heat pipe, described heat transfer junction is that expansion set connects.
2. vertically placed type three-dimensional solar energy collecting plate core according to claim 1 is characterized in that, the ratio B of parallel distance size is between 1-4 between the inclined broken surface cross-sectional length of described energy collecting thermofin and energy collecting thermofin inclined broken surface.
3. vertically placed type three-dimensional solar energy collecting plate core according to claim 1 is characterized in that, described energy collecting thermofin is molded through disposable stamping-out.
4. vertically placed type three-dimensional solar energy collecting plate core according to claim 1 is characterized in that, the sharp angle α between described energy collecting thermofin primary plane and its inclined broken surface is between positive and negative 3 °-75 °.
5. vertically placed type three-dimensional solar energy collecting plate core according to claim 1 is characterized in that, described energy collecting thermofin is provided with surperficial absorbed layer outward by single or non-single base material and is formed.
6. vertically placed type three-dimensional solar energy collecting plate core according to claim 1 is characterized in that, described plate core comprises the energy collecting tube core of glass thermal-arrest/energy pipe in the energy collecting plate core of flat thermal-arrest/energy device or the electron tubes type thermal-arrest/energy device.
7. vertically placed type three-dimensional solar energy collecting plate core according to claim 3 is characterized in that, described solar energy wavelength selectivity or nonselective surperficial absorbed layer are photo-thermal conversion absorbed layer or opto-electronic conversion absorbed layer or both combinations.
8. vertically placed type three-dimensional solar energy collecting plate core according to claim 1 is characterized in that, described energy collecting thermofin has rearmounted barrier flaps, and rearmounted barrier flaps is non-to the oedoeagus setting the energy collecting thermofin.
9. vertically placed type three-dimensional solar energy collecting plate core according to claim 5 is characterized in that, described base material is metal or nonmetal or both combinations.
10. vertically placed type three-dimensional solar energy collecting plate core according to claim 1 is characterized in that, between the inclined broken surface cross-sectional length of described energy collecting thermofin and energy collecting thermofin inclined broken surface the parallel distance size than B optimum range at 1.5-2.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100256536A CN1858515B (en) | 2005-05-08 | 2005-05-08 | Vertically placed type three-dimensional solar energy collecting plate core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100256536A CN1858515B (en) | 2005-05-08 | 2005-05-08 | Vertically placed type three-dimensional solar energy collecting plate core |
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| Publication Number | Publication Date |
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| CN1858515A CN1858515A (en) | 2006-11-08 |
| CN1858515B true CN1858515B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2005100256536A Expired - Fee Related CN1858515B (en) | 2005-05-08 | 2005-05-08 | Vertically placed type three-dimensional solar energy collecting plate core |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706015A (en) * | 2012-05-11 | 2012-10-03 | 山东聚力太阳能有限公司 | Heat absorbing plate core of flat-plate solar heat collector |
| CN107062637A (en) * | 2017-04-17 | 2017-08-18 | 东北电力大学 | A kind of finned tube exchanger with solar heat collection function |
| CN108800608A (en) * | 2018-08-17 | 2018-11-13 | 河北三环太阳能有限公司 | Inserted flat-plate solar collector is adjusted in one kind |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284934Y (en) * | 1996-12-24 | 1998-06-24 | 朱培世 | Collapsed straight blade heat collecting device |
| CN1464246A (en) * | 2002-06-24 | 2003-12-31 | 潘戈 | Transparent vacuum glass tube solar energy collector |
-
2005
- 2005-05-08 CN CN2005100256536A patent/CN1858515B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284934Y (en) * | 1996-12-24 | 1998-06-24 | 朱培世 | Collapsed straight blade heat collecting device |
| CN1464246A (en) * | 2002-06-24 | 2003-12-31 | 潘戈 | Transparent vacuum glass tube solar energy collector |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9－26212A 1997.01.28 |
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| CN1858515A (en) | 2006-11-08 |
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Assignee: Changzhou Sunny solar energy engineering technology Co., Ltd. Assignor: Pan Ge Contract record no.: 2012310000045 Denomination of invention: Vertically placed type three-dimensional solar energy collecting plate core Granted publication date: 20110202 License type: Exclusive License Open date: 20061108 Record date: 20120410 |
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Granted publication date: 20110202 Termination date: 20140508 |