CN204760403U - A solar photovoltaic receiver for dish formula high power condenser system - Google Patents
A solar photovoltaic receiver for dish formula high power condenser system Download PDFInfo
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- CN204760403U CN204760403U CN201520386588.9U CN201520386588U CN204760403U CN 204760403 U CN204760403 U CN 204760403U CN 201520386588 U CN201520386588 U CN 201520386588U CN 204760403 U CN204760403 U CN 204760403U
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- photovoltaic
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- metal substrate
- optical fluid
- dish formula
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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Abstract
The utility model discloses a solar photovoltaic receiver for dish formula high power condenser system, including the transparent plate, insulating optical fluid, concentrator solar cell subassembly and metal substrate, the transparent plate has the parabolic part of dish formula, be provided with the coating at the parabolic partial surface of the dish formula of transparent plate, the transparent plate passes through the lateral wall and forms the runner with metal substrate fixed connection, be full of insulating optical fluid in the runner, be provided with fluid inlet and fluid issuing on the lateral wall, the metal substrate includes the parabolic subtotal plane part of dish formula, battery pack sets up in the parabolic part of the dish formula of metal substrate, adopt insulating optical fluid submergence spotlight battery pack, the spotlight that had both improved dish formula high power spotlight photovoltaic system compares and optics efficiency, the heat dissipation difficult problem of system has been solved again, design into the parabolic form of dish formula to fixed mounting battery pack's metal substrate part simultaneously, the degree of consistency of focal spot department light distribution has been improved, the efficiency of system's electricity generation is improved, photovoltaic power generation cost is reduced.
Description
Technical field
The utility model belongs to solar photovoltaic technology field, is specifically related to a kind of photovoltaic receiver for dish-style high power concentrator system.
Background technology
Solar energy power generating is research field with fastest developing speed, most active in the numerous Land use systems of solar energy in recent years.But owing to lacking competitive installation cost and rate for incorporation into the power network, photovoltaic industry never obtains the development of advancing by leaps and bounds.Solve the Cost Problems of photovoltaic generation technically, become the fundamental issue of restriction photovoltaic development.Wherein, adopt condensation photovoltaic technology to improve photoelectric conversion efficiency, reduction photovoltaic generation cost is sent to great expectations.Especially in recent years along with the continuous lifting of III – V race multijunction solar cell efficiency, the high power light concentrating photovoltaic system of this type of battery is adopted progressively to become the forward position explored and study.
But, even if III – V race multijunction cell has the conversion efficiency of nearly 40% in systems in practice, still have the Conversion of Energy of nearly about 60% for heat, and heat can increase along with the increase of focusing ratio.The rising of temperature can make solar batteries sharply reduce and the decline of conversion efficiency, and long high temperature also can shorten the useful life of battery.Different materials on the other hand owing to forming battery component has different thermal coefficient of expansions, and the effect of long term thermal stress can make modular construction permanent destruction.Therefore, research and development have the cooling technology of high heat-sinking capability to ensure concentrator solar cell reliably working under greater efficiency, and then significant to reduction photovoltaic generation cost.Particularly for dish-style high power light concentrating photovoltaic system because all heats on the battery in this system can only by the surface with sizes such as batteries and vertical direction leave.At present, the active cooling method of dish-style high power light concentrating photovoltaic system many employings dividing wall type, the back side of battery can only be utilized dispel the heat like this and the thermal resistance being difficult to reduce further between battery and radiator to meet the requirement of more high concentration ratio and battery heat dissipation uniformity.
In addition, another problem that existing dish-style high power light concentrating photovoltaic system exists is the light intensity at focal spot place is Gaussian Profile usually, and namely light distribution is uneven.And the concentrator cell assembly in the traditional receiver that this system adopts is by the planar square structure of multiple battery through connection in series-parallel.So the temperature of uneven each battery that will cause in receiver of light distribution, electric current exist different with voltage, thus cause systems generate electricity decrease in efficiency.
Utility model content
The purpose of this utility model is, overcome the deficiencies in the prior art, a kind of photovoltaic receiver for dish-style high power concentrator system is provided, solve a heat radiation difficult problem for dish-style high power light concentrating photovoltaic system and the problem of the uneven systems generate electricity decrease in efficiency caused of focal spot place light distribution, improve the generating efficiency of whole system, reduce photovoltaic generation cost.
The technical solution realizing the utility model object is:
A kind of photovoltaic receiver for dish-style high power concentrator system, comprise transparent panel, insulating optical fluid, photovoltaic concentrator module and metal substrate, it is characterized in that: described transparent panel at least comprises the dish-style parabolic element of light, the outer surface of the dish-style parabolic element of the light of described transparent panel is provided with the coating at concentrator solar cell service band iuuminting, described metal substrate comprises dish-style parabolic element and planar section, described transparent panel, metal substrate and sidewall surround a runner, described photovoltaic concentrator module is arranged on the dish-style parabolic element of described metal substrate, and be positioned at runner, described insulating optical fluid is full of in runner, sidewall is provided with insulating optical fluid inlet and insulating optical fluid issuing.
Preferably, described insulating optical fluid adopts silicone oil or the mineral oil with high index of refraction.
Preferably, described photovoltaic concentrator module adopts optically focused silicon solar cell group, and described coating transmission region is 400 ~ 1200nm.
Preferably, described photovoltaic concentrator module adopts optically focused III – V race multijunction solar cell group, and described coating transmission region is 300 ~ 1800nm.
Preferably, described transparent panel adopts ultra-clear glasses or quartz glass.
Preferably, described transparent panel also comprises planar section.
The utility model advantage is compared with prior art:
(1) insulating optical fluid submergence photovoltaic concentrator module is adopted, on the one hand, the area of dissipation increasing concentrator cell and the thermal resistance eliminated between concentrator cell and radiator, thus considerably reduce the temperature rise of battery, improve the photoelectric conversion efficiency of battery; On the other hand, light arrives battery component after the insulating optical fluid with high index of refraction, can increase effective focusing ratio that battery component receives and the optical efficiency improving system.
(2) transparent panel is designed to dish-style parabola and plane two parts, and allow light by dish-style parabolic element, such transparent panel not only can play the effect of composition insulating optical fluid course, its dish-style parabolic element also possesses the function of lens, further the convergence solar light focusing from dish-style high power concentrator device on concentrator cell assembly, improve the light intensity on battery component, reduce photovoltaic generation cost.
(3) the metal substrate partial design of fixed installation photovoltaic concentrator module is become dish-style parabolic shape, with the concentrator shape geometric similarity that system adopts, the light distribution uniformity at dish-style high power light concentrating photovoltaic system focal spot place can be improved, thus improve the generating efficiency of whole system.
(4) selective coating is adopted at the outer surface of the dish-style parabolic element of transparent panel, can selectively through the light in concentrator solar cell service band, stop the light in a part of inoperative wave band through, the possibility that concentrator solar cell is overheated can be solved like this from source, make battery operated efficiency higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of photovoltaic receiver described in the utility model.
In figure,
The dish-style parabolic element of the dish-style parabolic element of 1-coating, 2-transparent panel, 3-transparent panel, the planar section of 4-transparent panel, 5-insulating optical fluid issuing, 6-sidewall, 7-runner, 8-insulating optical fluid, 9-photovoltaic concentrator module, 10-metal substrate, 11-metal substrate, the planar section of 12-metal substrate, 13-insulating optical fluid inlet, 14-converge sunlight.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but protection range of the present utility model is not limited to this.
As shown in Figure 1, photovoltaic receiver described in the utility model, comprise transparent panel 2, insulating optical fluid 8, photovoltaic concentrator module 9 and metal substrate 10, transparent panel 2 is made up of the dish-style parabolic element 3 of light and the planar section 4 of not light, the outer surface of the dish-style parabolic element 3 of the light of transparent panel 2 is provided with the coating 1 at concentrator solar cell service band iuuminting, transparent panel 2 is fixedly connected to form a runner 7 by sidewall 6 and metal substrate 10, insulating optical fluid 8 is full of in runner 7, sidewall 6 is provided with insulating optical fluid inlet 13 and insulating optical fluid issuing 5, metal substrate 10 comprises dish-style parabolic element 11 and planar section 12, photovoltaic concentrator module 9 is arranged on the dish-style parabolic element 11 of metal substrate 10.
Particularly, insulating optical fluid 8 adopts silicone oil or the mineral oil with high index of refraction.Photovoltaic concentrator module 9 adopts optically focused silicon solar cell group or optically focused III – V race multijunction solar cell group.Transparent panel 2 adopts ultra-clear glasses or quartz glass.
When photovoltaic concentrator module 9 adopts optically focused silicon solar cell group, then coating 1 transmission region is 400 ~ 1200nm; When photovoltaic concentrator module 9 adopts optically focused III – V race's multijunction solar cell group, then coating 1 transmission region is 300 ~ 1800nm.
Operation principle of the present utility model is:
Convergence sunlight 14 from dish-style high power concentrator device passes through the dish-style parabolic element 3 of the transparent panel 2 adopting ultra-clear glasses or quartz glass, converge on the photovoltaic concentrator module 9 of employing optically focused silicon solar cell group or optically focused III – V race multijunction solar cell group further, in order to solve the overheated possibility of photovoltaic concentrator module 9 from source, the outer surface of the dish-style parabolic element 3 of the light of transparent panel 2 is provided with the coating 1 at concentrator solar cell service band iuuminting, coating 1 can stop light in a part of concentrator solar cell inoperative wave band through, the sunlight converged on photovoltaic concentrator module 9 changes electric energy and heat into, electric energy is supplied to user and uses, most of heat in battery passes to the insulating optical fluid 8 in the runner 7 that constructed by transparent panel 2, metal substrate 10 and sidewall 6, in order to increase effective focusing ratio that photovoltaic concentrator module 9 receives and the optical efficiency improving system further, insulating optical fluid 8 adopts silicone oil or the mineral oil with high index of refraction, sidewall 6 is provided with insulating optical fluid inlet 13 and insulating optical fluid issuing 5, photovoltaic concentrator module 9 is arranged on the dish-style parabolic element 11 of metal substrate 10, the metal substrate partial design of fixed installation photovoltaic concentrator module 9 is become the shape geometric similarity with concentrator, the uniformity of system focal spot place's light distribution can be improved like this, thus improve systems generate electricity efficiency.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned execution mode; when not deviating from flesh and blood of the present utility model, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection range of the present utility model.
Claims (6)
1. the photovoltaic receiver for dish-style high power concentrator system, comprise transparent panel (2), insulating optical fluid (8), photovoltaic concentrator module (9) and metal substrate (10), it is characterized in that: described transparent panel (2) at least comprises the dish-style parabolic element of light, the outer surface of the dish-style parabolic element (3) of the light of described transparent panel is provided with the coating (1) at concentrator solar cell service band iuuminting, described metal substrate (10) comprises dish-style parabolic element and planar section, described transparent panel (2), metal substrate (10) and sidewall (6) surround a runner (7), described photovoltaic concentrator module (9) is arranged on the dish-style parabolic element (11) of described metal substrate, and be positioned at runner (7), described insulating optical fluid (8) is full of in runner (7), sidewall (6) is provided with insulating optical fluid inlet (13) and insulating optical fluid issuing (5).
2. photovoltaic receiver according to claim 1, is characterized in that: the employing of described insulating optical fluid (8) has silicone oil or the mineral oil of high index of refraction.
3. photovoltaic receiver according to claim 1, is characterized in that: described photovoltaic concentrator module (9) adopts optically focused silicon solar cell group, and described coating (1) transmission region is 400 ~ 1200nm.
4. photovoltaic receiver according to claim 1, is characterized in that: described photovoltaic concentrator module (9) adopts optically focused III – V race multijunction solar cell group, and described coating (1) transmission region is 300 ~ 1800nm.
5. photovoltaic receiver according to claim 1, is characterized in that: described transparent panel (2) adopts ultra-clear glasses or quartz glass.
6. photovoltaic receiver according to claim 1, is characterized in that: described transparent panel (2) also comprises planar section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386588.9U CN204760403U (en) | 2015-06-04 | 2015-06-04 | A solar photovoltaic receiver for dish formula high power condenser system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386588.9U CN204760403U (en) | 2015-06-04 | 2015-06-04 | A solar photovoltaic receiver for dish formula high power condenser system |
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| Publication Number | Publication Date |
|---|---|
| CN204760403U true CN204760403U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520386588.9U Withdrawn - After Issue CN204760403U (en) | 2015-06-04 | 2015-06-04 | A solar photovoltaic receiver for dish formula high power condenser system |
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| CN (1) | CN204760403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452341A (en) * | 2016-11-30 | 2017-02-22 | 戚明海 | Solar photovoltaic power generation system |
-
2015
- 2015-06-04 CN CN201520386588.9U patent/CN204760403U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452341A (en) * | 2016-11-30 | 2017-02-22 | 戚明海 | Solar photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151111 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |