CN204665699U - The full aluminium profiles solar thermal collector of a kind of fine pore passage structure - Google Patents
The full aluminium profiles solar thermal collector of a kind of fine pore passage structure Download PDFInfo
- Publication number
- CN204665699U CN204665699U CN201520200106.6U CN201520200106U CN204665699U CN 204665699 U CN204665699 U CN 204665699U CN 201520200106 U CN201520200106 U CN 201520200106U CN 204665699 U CN204665699 U CN 204665699U
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- Prior art keywords
- dull
- passage structure
- fine pore
- pore passage
- aluminum pipe
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Classifications
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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
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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
- F24S10/72—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits being integrated in a block; the tubular conduits touching each other
-
- 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
- F24S2010/71—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the conduits having a non-circular cross-section
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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
Abstract
The utility model relates to the full aluminium profiles solar thermal collector of a kind of fine pore passage structure, belongs to new forms of energy, solar energy heat utilization technical field.A kind of fine pore passage structure full aluminium profiles solar thermal collector comprises aluminum soleplate housing, transparent cover plate, the dull and stereotyped aluminum pipe of fine pore passage structure, absorption film, transparent thermal insulation layer, the dull and stereotyped aluminum pipe of afflux, insulating and corresponding potted component and Connection Element.The utility model adopts the dull and stereotyped aluminum pipe of the fine pore passage structure of all-aluminium construction to increase heat exchange area, and significantly can improve the collecting efficiency of classic flat-plate heat collector, replace copper pipe, can reduce costs with aluminium flat conduit, without the need to welding, technique is simpler.The utility model adopts aerosil transparent thermal insulation layer form to carry out thermal insulation, can effectively reduce the heat waste of heat collector, improve solar energy heating efficiency while taking into account cost.
Description
Technical field:
The utility model relates to the full aluminium profiles solar thermal collector of a kind of fine pore passage structure, belongs to new forms of energy, solar energy heat utilization technical field.
Background technology
The good behaviour that is energy-saving and cost-reducing with it and environmental protection aspect of solar energy heating technology generally receives the concern of people, and its structure is simple, easy to install.At present, solar thermal collector mainly comprises electron tubes type, flat two kinds of forms.The vacuum heat collection pipe of electron tubes type solar thermal collector is made up of inside and outside layer glass.Be evacuated between inside and outside layer glass pipe, inner layer glass tube outer surface scribbles absorbed layer.Electron tubes type solar thermal collector make use of vacuum thermal insulator and inhibits heat waste, simultaneously can be antifreeze, but to there is contour area large for existing vacuum tube type heat collector, and use safety coefficient is low, and is difficult to the problem of installing with multilayer or high-rise building integrated.Flat type solar heat collector is primarily of compositions such as heat-absorbing plate core, transparent cover plate, housing, insulation material and Inlet and outlet water collectors.Wherein, heat-absorbing plate core generally by heat-conducting fluid copper pipe road and heat absorbing fins aluminium sheet by being welded, transparent cover plate is made up of the glass material transparent to sunshine usually, and housing is made up of backboard, frame etc.Conventional flat plate solar thermal collector has the features such as pressure-bearing, safety, split type installation, can be installed on below the balcony of multilayer or skyscraper, southern wall window, easy and architecture-integral.
Micro-channel heat exchanger is a kind of passage equivalent diameter at the heat exchanger of 100 ~ 1000 μm, have the features such as compact conformation, volume be little, lightweight, energy-efficient, its version mainly contains dull and stereotyped cross-flow microchannel heat exchanger, three-dimensional cross-flow microchannel heat exchanger, sintered meshwork formula porous micro-channel heat exchanger.Conventional microchannel heat exchanger is mainly used in traditional industrial refrigeration, UTILIZATION OF VESIDUAL HEAT IN, air conditioning for automobiles, domestic air conditioning, Teat pump boiler etc.Compare with plate type heat exchanger with conventional tube, not only the volume coefficient of heat transfer is high for micro-channel heat exchanger, heat exchange area is large, heat exchange efficiency is high, higher Energy Efficiency Standard can be met, and there is excellent withstand voltage properties, and current theoretical research still can not explain the mechanism of microfluidic flow completely, because causing the extensive concern of domestic and international academia and industrial quarters.At present; the key technology of micro-channel heat exchanger is the manufacturing process of microchannel flow passages structural design and microchannel aluminium flat conduit; microchannel aluminium flat conduit is a kind of employing refining aluminium bar; by precision die hot extrusion technique; through the preservative treatment of surface spray zinc; the thin-walled porous flat tubulose aluminum heat exchange element formed, the production method of microchannel aluminium flat conduit and technique are gradually ripe at home, and the scale of micro-channel heat exchanger is applied becomes possibility.
By above background technology analysis, if microchannel aluminium flat conduit heat transfer technology is directly applied to flat-plate solar collector, namely utilize many microchannel aluminium flat conduits to replace heat-conducting fluid copper pipe road in heat absorbing core plate and heat absorbing fins aluminium sheet, then can increase the heat exchange area of heat-conducting fluid, improve solar energy heating efficiency, adopt aluminium to replace copper product significantly to reduce costs simultaneously, and the welding sequence of heat absorbing core plate can be save, production technology is simpler.But, because the channel diameter of microchannel aluminium flat conduit is less than 1mm, the capillarity of liquid working substance and aluminum interface wellability and microchannel, the pressure drop that heat-conducting fluid can be caused to flow in the aluminium flat conduit of microchannel is larger, form larger flow resistance, be unfavorable for that solar heat is delivered to water tank or user by heat-conducting fluid.
Utility model content
For above-mentioned the deficiencies in the prior art, and analyze respective technical characterstic by comprehensive, propose and disclose the full aluminium profiles solar thermal collector of a kind of fine pore passage structure.
The technical solution of the utility model is as follows:
The full aluminium profiles solar thermal collector of a kind of fine pore passage structure comprises aluminum soleplate housing (1), transparent cover plate (2), the dull and stereotyped aluminum pipe (3) of fine pore passage structure, absorption film (4), transparent thermal insulation layer (5), the dull and stereotyped aluminum pipe (6) of afflux, insulating (7), and corresponding potted component and Connection Element, it is characterized in that the dull and stereotyped aluminum pipe (3) of described fine pore passage structure arranges by constant spacing horizontal array and its neutral surface is in same plane, absorption film (4) is covered with at dull and stereotyped aluminum pipe (3) upper surface of fine pore passage structure, its lower surface is provided with insulating (7), the two ends of the dull and stereotyped aluminum pipe (3) of described fine pore passage structure are connected with the dull and stereotyped aluminum pipe (6a) of water inlet afflux and the dull and stereotyped aluminum pipe (6b) of water outlet afflux respectively by potted component, dull and stereotyped aluminum pipe (6) upper and lower surface of afflux is provided with insulating (7), is connected and fixed by Connection Element and aluminum soleplate housing (1), described aluminum soleplate housing (1) inner side surrounding is provided with insulating (7), transparent cover plate (2) is arranged on absorption film (4) top, seal with insulating (7) surface contact, transparent cover plate (2) is fixed on aluminum soleplate housing (1) by Connection Element, two-layer thinner transparent thermal insulation layer (5) is provided with between described absorption film (4) and transparent cover plate (2), be fixed on absorption film (4) lower surface and transparent cover plate (2) inner surface by the adhesive of high transmission rate is cementing respectively, between two transparent thermal insulation layers (5a and 5b), be full of atmospheric air or other transparent inert gas medium.
The dull and stereotyped aluminum pipe (3) of described fine pore passage structure adopts refining aluminium bar by precision die hot extrusion technique, through the preservative treatment of surface spray zinc, form the dull and stereotyped aluminum pipe (3a, 3b) of thin-walled porous flat tubulose, its manufacturing process adopts the hot extrusion precision die of branched co-extrusion Multipoint temperature-control, wear-resisting, heat-resisting, the super lubrication of its mould inner wall, manufactured the fine pore passage structure of stephanoporate thin wall equilibrium extruding by the gradient-heated of aluminium bar and the constant speed extrusion technique of extruder mould cylinder heated at constant temperature, after online spray zinc, form the dull and stereotyped aluminum pipe of fine pore passage structure.
Fine duct (3a) the feature structure form of the dull and stereotyped aluminum pipe (3) of described fine pore passage structure is the one in circle, square, rectangle, rhombus or other polygon.Described absorption film (4) is black chromium film or blue titanium film heat-absorbing material, and adopt adhesive to be directly bonded and fixed to dull and stereotyped aluminum pipe (3) surface of fine pore passage structure, its adhesive is little, the resistant to elevated temperatures one-component of thermal resistance or two component mixture.
Described transparent cover plate (2) version is the solid or hollow-core construction of plane tabular, can be the one in low iron woven design safety glass, vacuum glass, double glazing, UV resistance type polycarbernate sheet.Described insulating (7) material type is one or both combinations in rock wool, phenol formaldehyde foam, polystyrene, polyurethane, be arranged between the dull and stereotyped aluminum pipe (3) of aluminum soleplate housing (1) surrounding, base plate and fine pore passage structure and around the dull and stereotyped aluminum pipe (6) of afflux, be adhesively fixed with aluminum soleplate housing (1), the dull and stereotyped aluminum pipe (3) of fine pore passage structure, the dull and stereotyped aluminum pipe (6) of afflux respectively by adhesive.
Fine duct (3a) the short transverse characteristic size h of the dull and stereotyped aluminum pipe (3) of described fine pore passage structure is 1 ~ 6mm, and width characteristic size w is 1 ~ 20mm.The height of the dull and stereotyped aluminum pipe (3) of described fine pore passage structure is h1=2 ~ 8mm, and width is w1=60 ~ 200mm.Distance t1 between the dull and stereotyped aluminum pipe (3) of described two fine pore passage structures is 1/4 ~ 1 of its width w1, the length t2 that the dull and stereotyped aluminum pipe (3) of fine pore passage structure stretches into the dull and stereotyped aluminum pipe (6) of afflux is 1/4 ~ 1/2 of afflux dull and stereotyped aluminum pipe width w2, the built-in length t2 of the dull and stereotyped aluminum pipe (3) of the fine pore passage structure of every root can be the same or different, if difference then near the built-in length t21=w2/2 of dull and stereotyped aluminum pipe (6) the intake-outlet end of afflux, is successively decreased until t2n=w2/4 successively.Two the transparent thermal insulation layers (5) arranged between described transparent cover plate (2) and absorption film (4) are aerosil heat insulation layer, and the thickness of each transparent thermal insulation layer (5) is 2 ~ 5mm.
Adopt technical scheme provided by the utility model, obtainable beneficial effect is: (1) the utility model adopts fine pore passage structure to increase heat exchange area, significantly can improve the heat exchange efficiency of classic flat-plate heat collector, improves collecting efficiency; (2) characteristic size in fine duct is large compared with the characteristic size of conventional microchannel, can effectively reduce pressure drop and the resistance of micro-flow path formation, increase flow velocity and the flow of heat-conducting fluid, obviously can improve the solar heat transmission effect of heat-conducting fluid; (3) the utility model adopts the heat collector form of all-aluminium construction, replaces copper pipe, can reduce costs with aluminium flat conduit, and without the need to welding, technique is simpler; (4) adopt the form being full of atmospheric air or other transparent inert gas medium in the middle of two-layer thinner aerosil to carry out thermal insulation, the heat waste of heat collector while taking into account cost, can be effectively reduced, improve solar energy heating efficiency.
Accompanying drawing explanation
The fine pore passage structure of Fig. 1 full aluminium profiles heat collector sectional structure chart
The fine pore passage structure of Fig. 2 full aluminium profiles collector structure schematic diagram
Fig. 3 minuteness passage profile
The fine pore passage structure of Fig. 4 full aluminium profiles solar thermal collector outside drawing
In figure: the dull and stereotyped aluminum pipe 3 of aluminum soleplate housing 1, transparent cover plate 2, fine pore passage structure, fine pore passage structure dull and stereotyped aluminum pipe runner 3a, fine pore passage structure dull and stereotyped aluminum pipe body 3b, absorption film 4, transparent thermal insulation layer 5, lid surface transparent thermal insulation layer 5a, absorption film surface transparent thermal insulation layer 5b, the dull and stereotyped aluminum pipe 6 of afflux, the dull and stereotyped aluminum pipe 6a of entrance point afflux, the dull and stereotyped aluminum pipe 6b of port of export afflux, insulating 7.
Detailed description of the invention
Further illustrate below in conjunction with accompanying drawing 1 ~ 4 pair of the utility model, and elaborate specific implementation method.
A kind of fine pore passage structure full aluminium profiles solar thermal collector comprises aluminum soleplate housing (1), transparent cover plate (2), the dull and stereotyped aluminum pipe (3) of fine pore passage structure, absorption film (4), transparent thermal insulation layer (5), the dull and stereotyped aluminum pipe (6) of afflux, insulating (7) and corresponding potted component and Connection Element.
The dull and stereotyped aluminum pipe (3) of fine pore passage structure adopts refining aluminium bar by precision die hot extrusion technique, through the preservative treatment of surface spray zinc, form the dull and stereotyped aluminum pipe (3a, 3b) of thin-walled porous flat tubulose, its manufacturing process adopts the hot extrusion precision die of branched co-extrusion Multipoint temperature-control, wear-resisting, heat-resisting, the super lubrication of its mould inner wall, manufactured the fine pore passage structure of stephanoporate thin wall equilibrium extruding by the gradient-heated of aluminium bar and the constant speed extrusion technique of extruder mould cylinder heated at constant temperature, after online spray zinc, form the dull and stereotyped aluminum pipe of fine pore passage structure.
Fine duct (3a) the feature structure form of the dull and stereotyped aluminum pipe (3) of fine pore passage structure is the one in circle, square, rectangle, rhombus or other polygon.Fine duct (3a) the short transverse characteristic size h of the dull and stereotyped aluminum pipe (3) of fine pore passage structure is 1 ~ 6mm, and width characteristic size w is 1 ~ 20mm.The height of the dull and stereotyped aluminum pipe (3) of fine pore passage structure is h
1=2 ~ 8mm, width is w
1=60 ~ 200mm.
Many dull and stereotyped aluminum pipes (3) of fine pore passage structure are by the arrangement of constant spacing horizontal array and its neutral surface is in same plane, be covered with absorption film (4) at many dull and stereotyped aluminum pipe (3) upper surfaces of fine pore passage structure, its lower surface is provided with insulating (7).Absorption film (4) is black chromium film or blue titanium film heat-absorbing material, and adopt adhesive to be directly bonded and fixed to dull and stereotyped aluminum pipe (3) surface of fine pore passage structure, its adhesive is little, the resistant to elevated temperatures one-component of thermal resistance or two component mixture.
The two ends of the dull and stereotyped aluminum pipe (3) of the fine pore passage structure of every root are connected with the dull and stereotyped aluminum pipe (6a) of water inlet afflux and the dull and stereotyped aluminum pipe (6b) of water outlet afflux respectively by potted component, dull and stereotyped aluminum pipe (6) upper and lower surface of afflux is provided with insulating (7), is connected and fixed by Connection Element and aluminum soleplate housing (1).Distance t between two dull and stereotyped aluminum pipes (3) of fine pore passage structure
1for its width w
11/4 ~ 1, the dull and stereotyped aluminum pipe (3) of fine pore passage structure stretches into the length t of the dull and stereotyped aluminum pipe (6) of afflux
2for afflux dull and stereotyped aluminum pipe width w
21/4 ~ 1/2, the built-in length t of the dull and stereotyped aluminum pipe (3) of the fine pore passage structure of every root
2can be the same or different, if difference is then near the built-in length t of dull and stereotyped aluminum pipe (6) the intake-outlet end of afflux
21=w
2/ 2, successively decrease successively until t
2n=w
2/ 4.
Aluminum soleplate housing (1) inner side surrounding is provided with insulating (7), transparent cover plate (2) is arranged on absorption film (4) top, seal with insulating (7) surface contact, transparent cover plate (2) is fixed on aluminum soleplate housing (1) by Connection Element.
Two-layer thinner transparent thermal insulation layer (5) is provided with between absorption film (4) and transparent cover plate (2), be fixed on absorption film (4) lower surface and transparent cover plate (2) inner surface by the adhesive of high transmission rate is cementing respectively, between two transparent thermal insulation layers (5a, 5b), be full of atmospheric air or other transparent inert gas medium.Two the transparent thermal insulation layers (5) arranged between transparent cover plate (2) and absorption film (4) are aerosil heat insulation layer, and the thickness of each transparent thermal insulation layer (5) is 2 ~ 5mm.Transparent cover plate (2) version is the solid or hollow-core construction of plane tabular, can be the one in low iron woven design safety glass, vacuum glass, double glazing, UV resistance type polycarbernate sheet.
Insulating (7) material type is one or both combinations in rock wool, phenol formaldehyde foam, polystyrene, polyurethane, be arranged between the dull and stereotyped aluminum pipe (3) of aluminum soleplate housing (1) surrounding, base plate and fine pore passage structure and around the dull and stereotyped aluminum pipe (6) of afflux, be adhesively fixed with aluminum soleplate housing (1), the dull and stereotyped aluminum pipe (3) of fine pore passage structure, the dull and stereotyped aluminum pipe (6) of afflux respectively by adhesive.
Claims (2)
1. the full aluminium profiles solar thermal collector of fine pore passage structure, comprise aluminum soleplate housing (1), transparent cover plate (2), the dull and stereotyped aluminum pipe (3) of fine pore passage structure, absorption film (4), transparent thermal insulation layer (5), the dull and stereotyped aluminum pipe (6) of afflux, insulating (7), and corresponding potted component and Connection Element, it is characterized in that the dull and stereotyped aluminum pipe (3) of described fine pore passage structure arranges by constant spacing horizontal array and its neutral surface is in same plane, absorption film (4) is covered with at dull and stereotyped aluminum pipe (3) upper surface of fine pore passage structure, its lower surface is provided with insulating (7), the two ends of the dull and stereotyped aluminum pipe (3) of described fine pore passage structure are connected with the dull and stereotyped aluminum pipe (6a) of water inlet afflux and the dull and stereotyped aluminum pipe (6b) of water outlet afflux respectively by potted component, dull and stereotyped aluminum pipe (6) upper and lower surface of afflux is provided with insulating (7), is connected and fixed by Connection Element and aluminum soleplate housing (1), described aluminum soleplate housing (1) inner side surrounding is provided with insulating (7), transparent cover plate (2) is arranged on absorption film (4) top, seal with insulating (7) surface contact, transparent cover plate (2) is fixed on aluminum soleplate housing (1) by Connection Element, two-layer thinner transparent thermal insulation layer (5) is provided with between described absorption film (4) and transparent cover plate (2), be fixed on absorption film (4) lower surface and transparent cover plate (2) inner surface by the adhesive of high transmission rate is cementing respectively, between two transparent thermal insulation layers (5a, 5b), be full of atmospheric air or other transparent inert gas medium.
2. the full aluminium profiles solar thermal collector of the fine pore passage structure of one according to claim 1, it is characterized in that two the transparent thermal insulation layers (5) arranged between described transparent cover plate (2) and absorption film (4) are aerosil heat insulation layer, the thickness of each transparent thermal insulation layer (5) is 2 ~ 5mm.。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200106.6U CN204665699U (en) | 2015-04-03 | 2015-04-03 | The full aluminium profiles solar thermal collector of a kind of fine pore passage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200106.6U CN204665699U (en) | 2015-04-03 | 2015-04-03 | The full aluminium profiles solar thermal collector of a kind of fine pore passage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204665699U true CN204665699U (en) | 2015-09-23 |
Family
ID=54136076
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520200106.6U Expired - Fee Related CN204665699U (en) | 2015-04-03 | 2015-04-03 | The full aluminium profiles solar thermal collector of a kind of fine pore passage structure |
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| Country | Link |
|---|---|
| CN (1) | CN204665699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594769A (en) * | 2020-12-24 | 2021-04-02 | 三峡大学 | Multi-energy supply device and method based on aluminum micro-channel heat pipe technology |
-
2015
- 2015-04-03 CN CN201520200106.6U patent/CN204665699U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594769A (en) * | 2020-12-24 | 2021-04-02 | 三峡大学 | Multi-energy supply device and method based on aluminum micro-channel heat pipe technology |
| CN112594769B (en) * | 2020-12-24 | 2022-01-04 | 三峡大学 | Multi-energy supply device and method based on aluminum micro-channel heat pipe technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20190403 |