CN107328114A - A kind of solar energy heat collector using adjustable curved reflecting plate - Google Patents
A kind of solar energy heat collector using adjustable curved reflecting plate Download PDFInfo
- Publication number
- CN107328114A CN107328114A CN201710723512.4A CN201710723512A CN107328114A CN 107328114 A CN107328114 A CN 107328114A CN 201710723512 A CN201710723512 A CN 201710723512A CN 107328114 A CN107328114 A CN 107328114A
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- Prior art keywords
- heat collector
- reflecting plate
- curved reflecting
- plate
- double
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011521 glass Substances 0.000 claims abstract description 33
- 241000276425 Xiphophorus maculatus Species 0.000 claims abstract description 4
- 239000006096 absorbing agent Substances 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 10
- 238000006011 modification reaction Methods 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003287 optical Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001172 regenerating Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/71—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with parabolic reflective surfaces
-
- 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
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
-
- 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
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/83—Other shapes
- F24S2023/832—Other shapes curved
-
- 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
-
- 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
- Y02E10/47—Mountings or tracking
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of solar energy heat collector using adjustable curved reflecting plate, including curved reflecting plate, glass plate, side plate, frame, support frame, double-faced flat-sheet heat collector, heat collector bracket；Curved reflecting plate is groove profile curved surface platy structure, curved reflecting plate, glass plate and two side plates constitute the space of a closing, double-faced flat-sheet heat collector is located in the closing space, the two side axles connection of support frame and frame, support frame is fixed on the ground, double-faced flat-sheet heat collector horizontal positioned, double-faced flat-sheet heat collector is fixed on support frame by heat collector bracket.Sun energy heat collector passes through optically focused and realizes higher heat-collecting temperature and collecting efficiency, various materials or fluid media (medium) can be heated, widely applicable, manually adjustable heat collector angle optimizes daylighting effect, simple in construction, cost is low, solar energy utilization ratio is high, and promotion potential is big.
Description
Technical field
The present invention relates to a kind of solar energy heat collector, particularly a kind of solar energy collection using adjustable curved reflecting plate
Thermal, belongs to technical field of solar utilization technique.
Background technology
Solar energy is as one kind cleaning, free of contamination regenerative resource, and its development and utilization is considered as world energy sources strategy
Important component.Solar water heater is successfully commercialized, and how more effectively to be utilized solar energy, is become various countries
Scientist endeavours the content of research.
Non-concentrating solar thermal collector based on solar water heater and applied on a large scale, such heat collector
Suitable for the relatively low field of heat source temperature demand, such as the application field within 50 DEG C.For thermal source demand at higher temperature, as in
Low-temperature region（70℃~120℃）, non-concentrating heat collector is then difficult to meet, or collecting efficiency is very low at this temperature.And optically focused
Heat collector can as higher temperature thermal source, it is adaptable to wider array of application field.
Compound parabolic concentrator (Compound parabolic concentrator, referred to as CPC) is according to edge
The non-imaging concentrator of optical principle design.In theory, the incident light in the range of acceptance angle is direct or reflected all most Zhongdao
Up on receiver, for given receptions angular region, it can realize maximum focusing ratio, thus be used in solar energy optical-thermal,
In photovoltaic system, in non-tracking, tracking (secondary reflector) system.CPC heat collectors have minimum area of dissipation, without tracking
Device and reduce cost, it is possible to achieve the demand of middle temperature thermal-arrest.
Current compound parabolic concentrator collector has developed a series of products, but due to some shortcomings or problem,
Limit the popularization and application of such heat collector：1st, typically using complete and symmetrical CPC curves, form is single, and volume is larger, fits
It is restricted with property；2nd, solar absorber is generally pipeline, can only heat fluid, and application is small；3rd, it is anti-in heat collector
Tabula rasa easily falls ash and debris, should not clear up, have impact on using effect；4th, the angle of heat collector can not typically be adjusted, and have impact on
The using effect and solar energy utilization ratio of heat collector；5th, heat collector price is higher, it is difficult to popularize.
The content of the invention
It is an object of the invention to overcome the defect of above-mentioned existing associated solar heat collector there is provided one kind to have structure
Simple cost is low, solar energy utilization ratio height, the solar energy heat collector having a wide range of application.
In order to solve the above technical problems, the technical scheme that this patent is provided is：
Using a kind of solar energy heat collector using adjustable curved reflecting plate, including curved reflecting plate, glass plate, side plate,
Frame, support frame, double-faced flat-sheet heat collector, heat collector bracket；Curved reflecting plate is groove profile curved surface platy structure, and glass plate is length
Square platy structure, the surrounding of glass plate is fixed on frame, and the upper and lower ends of curved reflecting plate are fixed on frame, and curved surface is anti-
Tabula rasa, glass plate and two side plates constitute the space of a closing, and double-faced flat-sheet heat collector is located in the closing space, support frame
It is connected with the both sides of frame by axle, support frame is fixed on the ground, double-faced flat-sheet heat collector horizontal positioned, double-faced flat-sheet thermal-arrest
Device is fixed on support frame by heat collector bracket.
As a modification of the present invention, described double-faced flat-sheet heat collector is rectangular parallelepiped structure, including upper glass plates, on
Absorber plate, lower absorber plate, lower glass plate, heat collector side wall, end cap；Upper glass plates, upper absorber plate, lower absorber plate, lower glass plate
From top to bottom it is placed in parallel, and is fixed on the heat collector side wall of both sides successively, the two ends of double-faced flat-sheet heat collector is provided with end cap.
As a modification of the present invention, the curved surface of described curved reflecting plate is asymmetric compound parabola or circular arc
Face.
As a modification of the present invention, described support frame is T-shaped, and the top of support frame is provided with axis hole.
As a modification of the present invention, described heat collector bracket is by a cross bar and is constituted more with montant, cross bar and
Montant is vertical.
As a modification of the present invention, the described upper surface of upper absorber plate and the lower surface of lower absorber plate is covered with too
Positive energy coating for selective absorption.
Relative to prior art, the heat collector that the present invention is provided has the advantage that：
1）The heat collector can heat the upper and lower surface of absorber simultaneously, and heating effect is good；
2）By the way of light and heat collection, focusing ratio can be improved, and then improves solar energy heating efficiency and heat-collecting temperature, simultaneously
Reduce the cost of heat collector under unit daylighting area；
3）Using incomplete asymmetrical composite parabolic（CPC）As curved reflecting plate, it is adapted to the inclination of heat collector lighting surface and puts
Put, reduce the relative altitude of heat collector；Sunshine in the range of certain angle can be reflexed on absorber, be reduced or avoided too
The angular adjustment of positive energy light-condensing and heat-collecting device；
4）Material or fluid media (medium) can be placed in double-faced flat-sheet heat collector, it is flexibly and easily, widely applicable；
5）Double-faced flat-sheet heat collector high insulating effect, and without insulation material, upper and lower surface is covered with coating for selective absorption and carried
The high utilization rate of solar energy, while cost simple in construction is low；
6）The design of glass plate can reduce heat loss, solve curved mirror and easily fall the problem of ash, hardly possible cleaning；
7）Heat collector to adapt to the change of position of sun, and can ensure that the sun by adjusting the angle of reflector manually
The optimization of energy utilization ratio；
8）The heat collector simple system, simple in construction, cost are low, and solar energy utilization ratio is high, energy-saving benefit is notable, promote latent
Power is big.
Brief description of the drawings
Fig. 1 is the structural representation of the solar energy heat collector using adjustable curved reflecting plate；
Fig. 2 is the structural representation of double-faced flat-sheet heat collector；
Fig. 3 is the solar energy heat collector angular adjustment schematic diagram of adjustable curved reflecting plate；
Fig. 4 is the daylighting schematic diagram of the solar energy heat collector of adjustable curved reflecting plate.
Wherein：1 it is curved reflecting plate, 2 be glass plate, 3 be side plate, 4 be frame, 5 be support frame, 6 is double-faced flat-sheet collection
Hot device, 7 be heat collector bracket, 8 be upper glass plates, 9 be upper absorber plate, 10 be lower absorber plate, 11 be lower glass plate, 12 be thermal-arrest
Device side wall, 13 be end cap, 14 be sunshine.
Embodiment
Embodiment 1
Referring to Fig. 1, using a kind of solar energy heat collector using adjustable curved reflecting plate, including curved reflecting plate 1, glass
Plate 2, side plate 3, frame 4, support frame 5, double-faced flat-sheet heat collector 6, heat collector bracket 7；Curved reflecting plate 1 is groove profile curved surface tabular
Structure, glass plate 2 is rectangle tabular structure, and the surrounding of glass plate 2 is fixed on frame 4, the upper and lower ends of curved reflecting plate 1
It is fixed on frame 4, curved reflecting plate 1, glass plate 2 and two side plates 3 constitute the space of a closing, double-faced flat-sheet heat collector
6 are located in the closing space, and support frame 5 is connected with the both sides of frame 4 by axle, and support frame 5 is fixed on the ground, double-faced flat-sheet
The horizontal positioned of heat collector 6, double-faced flat-sheet heat collector 6 is fixed on support frame 5 by heat collector bracket 7.
Embodiment 2
Referring to Fig. 2, as a modification of the present invention, described double-faced flat-sheet heat collector 6 is rectangular parallelepiped structure, including upper glass
Plate 8, upper absorber plate 9, lower absorber plate 10, lower glass plate 11, heat collector side wall 12, end cap 13；Upper glass plates 8, upper absorber plate 9,
Lower absorber plate 10, lower glass plate 11 are from top to bottom placed in parallel successively, and are fixed on the heat collector side wall 12 of both sides；It is two-sided flat
The two ends of board heat collector 6 are provided with end cap 13.
Embodiment 3
Referring to Fig. 1, as a modification of the present invention, the curved surface of described curved reflecting plate 1 for asymmetric compound parabola or
Arc surface.
Embodiment 4
Referring to Fig. 1, as a modification of the present invention, described support frame 5 is T-shaped, and the top of support frame 5 is provided with axle
Hole.
Embodiment 5
Referring to Fig. 1, as a modification of the present invention, described heat collector bracket 7 is by a cross bar and is constituted more with montant, horizontal stroke
Bar is vertical with montant.
Embodiment 6
Referring to Fig. 1-Fig. 2, as a modification of the present invention, under the upper surface and lower absorber plate 10 of described upper absorber plate 9
Surface is covered with solar selectively absorbing coating.
Operation principle and process：
Referring to Fig. 1-Fig. 4, sunshine passes through glass plate 2, and a part shines directly into the upper surface of double-faced flat-sheet heat collector 6, one
Partial illumination is irradiated to the upper and lower surface of double-faced flat-sheet heat collector 6 after reflection to curved reflecting plate 1.
It is irradiated to after the sunshine of double-faced flat-sheet heat collector 6 passes through upper glass plates 8 or lower glass plate 11 and falls on absorber plate 9
Or lower absorber plate 10, it is converted on heat between absorber plate 9 and lower absorber plate 10 and puts after being absorbed by selective absorber coatings
The material or medium put.
When position of sun is varied widely, in order to improve the ratio that solar irradiation is mapped on heat collector, it can rotate
Frame 4, come adjust curved reflecting plate 1 towards angle.
Using asymmetric compound parabola（CPC）Curved reflecting plate 1 can reduce the design height of curved reflecting plate 1,
And by the sunshine in the range of certain angle after reflection full illumination on double-faced flat-sheet heat collector 6.
The present invention can also combine at least one in technical characteristic described in embodiment 2,3,4,5,6 with embodiment 1, shape
Cheng Xin embodiment.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, not for limiting the present invention's
Protection domain, protection scope of the present invention is defined by claims.
Claims (6)
1. a kind of solar energy heat collector using adjustable curved reflecting plate, it is characterised in that the adjustable curved surface of described utilization
The solar energy heat collector of reflector include curved reflecting plate, glass plate, side plate, frame, support frame, double-faced flat-sheet heat collector,
Heat collector bracket；Curved reflecting plate is groove profile curved surface platy structure, and glass plate is rectangle tabular structure, and the surrounding of glass plate is consolidated
It is scheduled on frame, the upper and lower ends of curved reflecting plate are fixed on frame, curved reflecting plate, glass plate and two side plates constitute one
The space of individual closing, double-faced flat-sheet heat collector is located in the closing space, and the both sides of support frame and frame are connected by axle, support
Frame is fixed on the ground, and double-faced flat-sheet heat collector horizontal positioned, double-faced flat-sheet heat collector is fixed on support by heat collector bracket
On frame.
2. a kind of solar energy heat collector using adjustable curved reflecting plate according to claim 1, it is characterised in that
Described double-faced flat-sheet heat collector is rectangular parallelepiped structure, including upper glass plates, upper absorber plate, lower absorber plate, lower glass plate, thermal-arrest
Device side wall, end cap；Upper glass plates, upper absorber plate, lower absorber plate, lower glass plate are from top to bottom placed in parallel, and are fixed on successively
On the heat collector side wall of both sides, the two ends of double-faced flat-sheet heat collector are provided with end cap.
3. a kind of solar energy heat collector using adjustable curved reflecting plate according to claim 1, it is characterised in that
The curved surface of described curved reflecting plate is asymmetric compound parabola or arc surface.
4. a kind of solar energy heat collector using adjustable curved reflecting plate according to claim 1, it is characterised in that
Described support frame is T-shaped, and the top of support frame is provided with axis hole.
5. a kind of solar energy heat collector using adjustable curved reflecting plate according to claim 1, it is characterised in that
Described heat collector bracket is by a cross bar and is constituted more with montant, and cross bar is vertical with montant.
6. a kind of solar energy heat collector using adjustable curved reflecting plate according to claim 2, it is characterised in that
The lower surface of the upper surface of described upper absorber plate and lower absorber plate is covered with solar selectively absorbing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723512.4A CN107328114A (en) | 2017-08-22 | 2017-08-22 | A kind of solar energy heat collector using adjustable curved reflecting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723512.4A CN107328114A (en) | 2017-08-22 | 2017-08-22 | A kind of solar energy heat collector using adjustable curved reflecting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107328114A true CN107328114A (en) | 2017-11-07 |
Family
ID=60224416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723512.4A Pending CN107328114A (en) | 2017-08-22 | 2017-08-22 | A kind of solar energy heat collector using adjustable curved reflecting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328114A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839564A (en) * | 2010-04-21 | 2010-09-22 | 东南大学 | Wall-hanging-type heat collector adopting half-edge compound parabolic concentrating devices |
| CN201811455U (en) * | 2010-05-19 | 2011-04-27 | 黄端 | Double-lighting sunning type solar water heater |
| CN201885405U (en) * | 2010-07-10 | 2011-06-29 | 青岛运特新能源有限公司 | Light condensing efficient flat-plate compound collector |
| CN102759203A (en) * | 2012-07-26 | 2012-10-31 | 陕西科技大学 | Light-concentrating type flat solar water boiler and manufacturing process of light concentrating mirror thereof |
| CN105042885A (en) * | 2015-08-27 | 2015-11-11 | 广东五星太阳能股份有限公司 | Concentrating type flat-plate solar collector |
| CN207162973U (en) * | 2017-08-22 | 2018-03-30 | 南京索乐优节能科技有限公司 | A kind of solar energy heat collector using adjustable curved reflecting plate |
-
2017
- 2017-08-22 CN CN201710723512.4A patent/CN107328114A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839564A (en) * | 2010-04-21 | 2010-09-22 | 东南大学 | Wall-hanging-type heat collector adopting half-edge compound parabolic concentrating devices |
| CN201811455U (en) * | 2010-05-19 | 2011-04-27 | 黄端 | Double-lighting sunning type solar water heater |
| CN201885405U (en) * | 2010-07-10 | 2011-06-29 | 青岛运特新能源有限公司 | Light condensing efficient flat-plate compound collector |
| CN102759203A (en) * | 2012-07-26 | 2012-10-31 | 陕西科技大学 | Light-concentrating type flat solar water boiler and manufacturing process of light concentrating mirror thereof |
| CN105042885A (en) * | 2015-08-27 | 2015-11-11 | 广东五星太阳能股份有限公司 | Concentrating type flat-plate solar collector |
| CN207162973U (en) * | 2017-08-22 | 2018-03-30 | 南京索乐优节能科技有限公司 | A kind of solar energy heat collector using adjustable curved reflecting plate |
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