CN109084490A - A kind of compound parabolic concentrator of non-tracking - Google Patents
A kind of compound parabolic concentrator of non-tracking Download PDFInfo
- Publication number
- CN109084490A CN109084490A CN201810945794.7A CN201810945794A CN109084490A CN 109084490 A CN109084490 A CN 109084490A CN 201810945794 A CN201810945794 A CN 201810945794A CN 109084490 A CN109084490 A CN 109084490A
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- prism
- taper
- receiver
- cover
- upper cover
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
- Y02E10/52—PV systems with concentrators
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- Optical Elements Other Than Lenses (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of compound parabolic concentrators of non-tracking, including taper plated film parabolic condenser and the first upper cover, the lower end of the taper plated film parabolic condenser inner wall is provided with receiver, first upper cover includes prism the cover and prism, the prism is arranged on the outer wall of prism the cover, the lower end of first upper cover is connected with the upper end of taper plated film parabolic condenser, non-tracking condenser in the present invention eliminates tracking system with special optical matrix system, system cost is reduced by a relatively large margin, increase substantially reliability, and focusing effect is good, with very high practical value, the present apparatus uses the closed structure vacuumized, the material cost of its own can also be reduced, reduce the maintenance to mirror film, thus further decrease use cost.
Description
Technical field
The present invention relates to condenser technical field more particularly to a kind of compound parabolic concentrators of non-tracking.
Background technique
Heliotechnics research both at home and abroad and production practices at present all suffer from high cost and inefficient barrier.Significantly mention
High solar transformation efficiency and fundamentally reduce solar energy system cost be solar energy scientific research and engineering technology neighborhood
The severe challenge faced.
Condensation photovoltaic and concentration photo-thermal composite system are most potential fundamentally thorough solution solar energy cost and efficiency
The approach of problem.Solar concentrator has reflective structure and refraction type structure two major classes, and for refraction type structure, optically focused is saturating
Mirror often uses point focusing flat and two kinds of line focus cylinder formula.Either point type or wire type optically focused, require to track.The former needs
Double-axis tracking is wanted, the latter needs uniaxiality tracking.The solar tracking tracking system of concentrating generating system, the country have several patents, greatly
Part is due to the driving motor power big energy for needing to consume itself and uneconomical, and reliability is poor, and maintenance cost is high, according to survey
It calculates solar tracking tracking cell and accounts for about the 41% of system total cost.In addition to this, then the country is also without unit development and production for collector lens, entirely
Portion relies on import.
Its principle of non-tracking condenser proposed by the present invention is transmission, refraction, reflection and the concentrating light principles according to light, is used
The technical characterstic that taper plated film parabolic condenser and refracting prisms combine does not have to the tracking sun, is gathered by condenser
Thus the cost of concentrating solar system is greatly lowered in light.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of compound throwing of the non-tracking proposed
Object plane condenser.
To achieve the goals above, present invention employs following technical solutions:
A kind of compound parabolic concentrator of non-tracking, including taper plated film parabolic condenser and the first upper cover, the taper
The lower end of plated film parabolic condenser inner wall is provided with receiver, and first upper cover includes prism the cover and prism, the rib
Mirror is arranged on the outer wall of prism the cover, and the lower end of the first upper cover is connected with the upper end of taper plated film parabolic condenser.
Preferably, the taper plated film parabolic condenser includes taper paraboloid liner and mirror film, the mirror film
The outside of taper paraboloid liner is set, and the material of taper paraboloid liner is glass.
Preferably, the prism is in array distribution in the vertical direction, and the quantity of prism is 2-20.
Preferably, the cross section of the prism is circular ring shape, and the vertical section of prism is two symmetrical triangles.
Preferably, the internal diameter of the prism successively becomes smaller from bottom to top, and the outer diameter of prism successively becomes smaller from bottom to top.
Preferably, the vertical section of the prism the cover is arc-shaped or ellipse arc, and the cross section of prism the cover is
Circular ring shape.
Preferably, the prism and prism the cover are integrally formed, and the material for stating prism and prism the cover is glass.
Preferably, the taper plated film parabolic condenser and the first upper cover airtight connection.
It preferably, is vacuum state between the taper plated film parabolic condenser and the first upper cover.
Preferably, the receiver includes receiver upper cover, receiver ontology and receiver pedestal, wherein receiver upper cover
Upper end receiver ontology is installed, and the lower end of receiver upper cover is connected with the upper end of receiver pedestal, the receiver
The lower end of upper cover is provided with baffle, and the upper end setting of the receiver pedestal is fluted, and the baffle is plugged in groove
Inside, and the bottom end of groove is opened up there are two through-hole.
The beneficial effects of the present invention are:
1, the non-tracking condenser in the present invention eliminates tracking system with special optical matrix system, reduces by a relatively large margin
System cost increases substantially reliability, and focusing effect is good, has very high practical value；
2, the present apparatus uses the structure of vacuum-pumping type, moreover it is possible to and the material cost of its own is reduced, the maintenance to mirror film is reduced, because
And further decrease use cost.
3, system incident photon-to-electron conversion efficiency reaches 15%, and system photothermal conversion efficiency reaches 42%, small sized turbine heat generating system
Thermoelectric conversion efficiency reaches 11%, and system realizes that uninterrupted steady power supply, system cost are reduced to conventional photovoltaic and are equipped with electric power storage round the clock
The 80% of pond and control system device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the compound parabolic concentrator of non-tracking proposed by the present invention；
Fig. 2 is the structural schematic diagram of taper plated film parabolic condenser proposed by the present invention；
Fig. 3 is the structural schematic diagram of upper cover proposed by the present invention；
Fig. 4 is the overlooking structure diagram of receiver proposed by the present invention；
Fig. 5 is the overlooking structure diagram of receiver pedestal proposed by the present invention；
Fig. 6 is the present invention looks up structural representation of receiver pedestal proposed by the present invention；
Fig. 7 is the overlooking structure diagram of taper plated film parabolic condenser pedestal proposed by the present invention；
Fig. 8 is the cross-sectional view of taper plated film parabolic condenser pedestal and receiver pedestal proposed by the present invention；
Fig. 9 is the principle diagram that the present invention proposes non-imaged taper plated film parabolic condenser optically focused；
Figure 10 is the principle diagram for the optically focused that taper plated film parabolic condenser proposed by the present invention cooperates prism；
Figure 11 is the two-phonon process of refraction by prism proposed by the present invention.
In figure: 1 taper plated film parabolic condenser, 2 first upper covers, 3 receivers, 4 second upper covers, 21 prism the covers, 22
Prism, 31 receiver upper covers, 32 receiver ontologies, 33 receiver pedestals.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-8, a kind of compound parabolic concentrator of non-tracking, including taper plated film parabolic condenser 1 and
One upper cover 2, the lower end of 1 inner wall of taper plated film parabolic condenser are provided with receiver 3, and receiver 3 is solar battery,
First upper cover 2 includes prism the cover 21 and prism 22, and the prism 22 is arranged on the outer wall of prism the cover 21, on first
The lower end of lid 2 is connected with the upper end of taper plated film parabolic condenser 1, and taper plated film parabolic condenser 1 is thrown including taper
Object plane liner and mirror film, the outside of the mirror film setting taper paraboloid liner, and the material of taper paraboloid liner is
Glass, prism 22 is in array distribution in the vertical direction, and the quantity of prism 22 is 2-20, and the cross section of prism 22 is circle
Annular, and the vertical section of prism 22 is two symmetrical triangles, the internal diameter of prism 22 successively becomes smaller from bottom to top, and rib
The outer diameter of mirror 22 successively becomes smaller from bottom to top, and the vertical section of prism the cover 21 is arc-shaped or ellipse arc, and prism the cover
21 cross section is circular ring shape, and prism 22 and prism the cover 21 are integrally formed, and states prism 22 and the material of prism the cover 21 is equal
For glass, 2 airtight connection of taper plated film parabolic condenser 1 and the first upper cover, on taper plated film parabolic condenser 1 and first
It is vacuum state between lid 2, the receiver 3 includes receiver upper cover 31, receiver ontology 32 and receiver pedestal 33, described to connect
Receiving device ontology 32 is gallium arsenide cells, Schottky diode and circuit board, and wherein the upper end of receiver upper cover 31, which is equipped with, connects
Device ontology 32 is received, and the lower end of receiver upper cover 31 is connected with the upper end of receiver pedestal 33, the receiver upper cover 31
Lower end is provided with baffle, and the upper end setting of the receiver pedestal 33 is fluted, and the baffle is plugged in the inside of groove,
And the bottom end of groove is opened up there are two through-hole, receiver upper cover 31 forms a cavity, water conservancy diversion after connecting with receiver pedestal 33
Block can play guide functions, and heat-conducting medium is injected from a through-hole, then heat-conducting medium is discharged from another through-hole, water conservancy diversion
Block can delay flowing of the heat-conducting medium in cavity, to increase thermally conductive efficiency.
In the present embodiment, as shown in figure 9, Fig. 4 is the principle diagram of 1 optically focused of non-imaged taper plated film parabolic condenser,
Show half acceptance angle θ c of this type of condenser in figure, taper plated film parabolic condenser 1 at runtime, when light enters from the left side
When penetrating, the right arm of taper plated film parabolic condenser 1 reflects and converges light, and when light is from the right incidence, taper plated film is thrown
The left arm of object plane condenser 1 reflects and convergence light, when light is from positive incidence, the two of taper plated film parabolic condenser 1
Arm plays a role simultaneously, as long as the corner formed between 1 axis of incident light and taper plated film parabolic condenser enters the range of ± θ c
Interior incident light can be accumulated, and when this means that the sun moves in the opening angular region of ± θ c, sunlight can be by static poly-
Light device convergence, it is evident that the range for receiving the more big static optically focused of half-angle is bigger, however, the bigger taper plated film parabolic of acceptance angle
The focusing ratio of face condenser 1 is with regard to smaller, for example, focusing ratio only has 2 when being 30 degree corresponding to half acceptance angle.
As shown in Figure 10, in taper plated film parabolic condenser 1 of the invention, 22 array of prism formation one is transparent
The second upper cover 4, and the second upper cover 4 is mounted on to the overthe openings of taper plated film parabolic condenser 1, the light 100 of oblique fire
Or 300 fall into half acceptance angle of compound parabolic concentrator 1 after refraction by prism and be accumulated, although composite parabolic is poly-
Half acceptance angle very little of light device 1, by the auxiliary of 22 array of prism, the range of static optically focused is substantially amplified, so, morning
Incident sunlight and the incident sunlight in afternoon are all focused by static condenser after prism array refraction, but the sunlight at noon
Impacted very little.
It is as shown in figure 11 the two-phonon process of refraction by prism, i1 is incidence angle here, and i2 is the refraction angle at the first interface, i3
It is incidence angle and the refraction angle of second contact surface respectively with i4, N is the vertical line at interface, and θ is the apex angle of prism, and δ is refraction angle.If
The prism of one glass preparation with refractive index n=1.5 is 60 degree with vertex angle theta, the incidence that refraction incidence angle i1 is 30 degree
Light, refraction by prism angle δ are 52.46 degree.
The second upper cover 2 in the present invention is attached in prism the cover 21 by the prism 22 of array distribution and is made, prism cover
The vertical section of lid 21 is arc-shaped or ellipse arc, and the prism 22 of array distribution can greatly improve incident light and taper is plated
The corner formed between 1 axis of film parabolic condenser enters the range of ± θ c, taper plated film parabolic condenser 1 to oblique incidence too
Sunlight is effectively collected, and higher focusing ratio is reached, and focusing ratio can reach 50 in experimentation, is had excellent performance, recipient 3
Size is combined closely with 1 bottom part aperture diameter of taper plated film parabolic condenser, and gallium arsenide cells position is exactly in cone on receiver 3
The focus of shape plated film parabolic condenser 1 extracts vacuum after closed and promotes the effect of entire condenser to be conducive to the traveling of light
Rate.
System incident photon-to-electron conversion efficiency reaches 15%, and system photothermal conversion efficiency reaches 42%, small sized turbine heat generating system heat
Electrotransformation efficiency reaches 11%, and system realizes that uninterrupted steady power supply, system cost are reduced to conventional photovoltaic and are equipped with battery round the clock
With the 80% of control system device.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of compound parabolic concentrator of non-tracking, including taper plated film parabolic condenser (1) and the first upper cover (2),
It is characterized in that, the lower end of taper plated film parabolic condenser (1) inner wall is provided with receiver (3), first upper cover
It (2) include prism the cover (21) and prism (22), the prism (22) is arranged on the outer wall of prism the cover (21), the first upper cover
(2) lower end is connected with the upper end of taper plated film parabolic condenser (1).
2. a kind of compound parabolic concentrator of non-tracking according to claim 1, which is characterized in that the taper plated film
Parabolic condenser (1) includes taper paraboloid liner and mirror film, and the outside of taper paraboloid liner is arranged in the mirror film,
And the material of taper paraboloid liner is glass.
3. a kind of compound parabolic concentrator of non-tracking according to claim 1, which is characterized in that the prism (22)
It is in the vertical direction in array distribution, and the quantity of prism (22) is 2-20.
4. a kind of compound parabolic concentrator of non-tracking according to claim 1 or 3, which is characterized in that the prism
(22) cross section is circular ring shape, and the vertical section of prism (22) is two symmetrical triangles.
5. a kind of compound parabolic concentrator of non-tracking according to claim 3, which is characterized in that the prism (22)
Internal diameter successively become smaller from bottom to top, and the outer diameter of prism (22) successively becomes smaller from bottom to top.
6. a kind of compound parabolic concentrator of non-tracking according to claim 1, which is characterized in that the prism the cover
(21) vertical section is arc-shaped or ellipse arc, and the cross section of prism the cover (21) is circular ring shape.
7. a kind of compound parabolic concentrator of non-tracking according to claim 1, which is characterized in that the prism (22)
It is integrally formed with prism the cover (21), and the material for stating prism (22) and prism the cover (21) is glass.
8. a kind of compound parabolic concentrator of non-tracking according to claim 1, which is characterized in that the taper plated film
Parabolic condenser (1) and the first upper cover (2) airtight connection.
9. a kind of compound parabolic concentrator of non-tracking according to claim 1, which is characterized in that the taper plated film
It is vacuum state between parabolic condenser (1) and the first upper cover (2).
10. a kind of compound parabolic concentrator of non-tracking according to claim 1, which is characterized in that the receiver
It (3) include receiver upper cover (31), receiver ontology (32) and receiver pedestal (33), the wherein upper end of receiver upper cover (31)
It is equipped with receiver ontology (32), and the lower end of receiver upper cover (31) is connected with the upper end of receiver pedestal (33), it is described
The lower end of receiver upper cover (31) is provided with baffle, and fluted, the water conservancy diversion is arranged in the upper end of the receiver pedestal (33)
Block is plugged in the inside of groove, and the bottom end of groove opens up that there are two through-holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945794.7A CN109084490A (en) | 2018-08-20 | 2018-08-20 | A kind of compound parabolic concentrator of non-tracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945794.7A CN109084490A (en) | 2018-08-20 | 2018-08-20 | A kind of compound parabolic concentrator of non-tracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084490A true CN109084490A (en) | 2018-12-25 |
Family
ID=64793992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810945794.7A Pending CN109084490A (en) | 2018-08-20 | 2018-08-20 | A kind of compound parabolic concentrator of non-tracking |
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| Country | Link |
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| CN (1) | CN109084490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984835A (en) * | 2021-03-31 | 2021-06-18 | 合肥工业大学 | Bionic compound eye type solar non-tracking condenser |
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| CN101147032A (en) * | 2003-12-11 | 2008-03-19 | 世界能源解决方案股份有限公司 | Solar energy collection system |
| CN201601627U (en) * | 2009-11-30 | 2010-10-06 | 李忠民 | Solar photoelectric and photo-thermal conversion device |
| CN202085106U (en) * | 2011-06-16 | 2011-12-21 | 杭州师范大学 | Solar energy storage power generating set |
| CN103023381A (en) * | 2012-12-24 | 2013-04-03 | 李国昌 | Prism refraction solar power generation device |
| CN103367511A (en) * | 2013-07-17 | 2013-10-23 | 苏州聚晟太阳能有限公司 | Prism array type photoelectricity and heat energy mixing electric heating system |
| CN105974569A (en) * | 2014-08-14 | 2016-09-28 | 王永华 | Tracking-free high-power stationary condenser |
-
2018
- 2018-08-20 CN CN201810945794.7A patent/CN109084490A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147032A (en) * | 2003-12-11 | 2008-03-19 | 世界能源解决方案股份有限公司 | Solar energy collection system |
| CN201601627U (en) * | 2009-11-30 | 2010-10-06 | 李忠民 | Solar photoelectric and photo-thermal conversion device |
| CN202085106U (en) * | 2011-06-16 | 2011-12-21 | 杭州师范大学 | Solar energy storage power generating set |
| CN103023381A (en) * | 2012-12-24 | 2013-04-03 | 李国昌 | Prism refraction solar power generation device |
| CN103367511A (en) * | 2013-07-17 | 2013-10-23 | 苏州聚晟太阳能有限公司 | Prism array type photoelectricity and heat energy mixing electric heating system |
| CN105974569A (en) * | 2014-08-14 | 2016-09-28 | 王永华 | Tracking-free high-power stationary condenser |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984835A (en) * | 2021-03-31 | 2021-06-18 | 合肥工业大学 | Bionic compound eye type solar non-tracking condenser |
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Application publication date: 20181225 |