CN202871836U - Air-type solar photovoltaic electro-thermal integrated device provided with added fins on two sides - Google Patents
Air-type solar photovoltaic electro-thermal integrated device provided with added fins on two sides Download PDFInfo
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- CN202871836U CN202871836U CN2012204786359U CN201220478635U CN202871836U CN 202871836 U CN202871836 U CN 202871836U CN 2012204786359 U CN2012204786359 U CN 2012204786359U CN 201220478635 U CN201220478635 U CN 201220478635U CN 202871836 U CN202871836 U CN 202871836U
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- cooling duct
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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
Abstract
The utility model provides an air-type solar photovoltaic electro-thermal integrated device provided with added fins on two sides and belongs to the field of solar photovoltaic electro-thermal utilization engineering. The air-type solar photovoltaic electro-thermal integrated device provided with added fins on the two sides is mainly composed of a glass cover board, glass side seals, transverse fins in an enclosed cavity, a solar cell substrate, a longitudinal fin in a natural convection cooling channel or transverse fins in a forced convection cooling channel, thermal insulation material, a photoelectric cell assembly and the like. The enclosed cavity is formed by the glass covering plate, the glass side seal and the solar cell substrate and the transverse fin is arranged in the glass cover plate. The longitudinal fin or the transverse fins are arranged in the natural convection cooling channel or the forced convection cooling channel. The thermal insulation material is arranged on the outer surface of the natural convection cooling channel or the forced convection cooling channel. The air-type solar photovoltaic electro-thermal integrated device provided with added fins on the two sides provided by the utility model has characteristics of high solar photovoltaic electro-thermal utilization rate, simple structure, convenient processing, low investment and operation cost and the like.
Description
Technical field
Title of the present utility model is both sides finned air type solar energy photovoltaic electric-heating integrated apparatus, belongs to solar energy photovoltaic electric-heating and utilizes engineering field.
Background technology
In the heat utilization mode of solar energy, the solar photovoltaic utilization is one of at present more common mode, and existing more research, but the photovoltaic electric utilization ratio of solar energy is low, generally only has 10～20%.In fact, in the photovoltaic electric transfer process of solar energy, most solar energy do not convert electric energy to, but lose with the form of heat energy, so not only cause the huge waste of solar energy, also can cause the rising of solar-energy photo-voltaic cell operating temperature, thereby reduce the conversion efficiency of solar-energy photo-voltaic cell.According to the study, this unnecessary heat can cause conversion efficiency to descend 3～6% to the heating of solar-energy photo-voltaic cell.Therefore, relevant scholar proposes the method that solar cell substrate cools off is solved, by cooling, can improve on the one hand the photoelectric conversion efficiency of solar energy, on the other hand by certain type of cooling the in addition heat utilization of getting up of unnecessary heat? recovery, such as refrigeration, heating, desalination and generation steam etc., therefore the photovoltaic electric-heating integrated apparatus of solar energy has just appearred.
From domestic and foreign literature and license situation, the cooling system of the solar photovoltaic transfer process that adopts at present, mostly be greatly free convection cooling and forced convertion cooling dual mode, wherein utilize the convection current cooling of empty G﹠W to be proved to be and be present comparatively effective mode.On the other hand, development along with the solar energy photovoltaic electric-heating integrated technique, solar energy composite utility for further raising system, some technology such as compound glass cover plate technology propose in succession with the relevant scholar of the quilts such as recirculation refrigerating technology based on multimedium (fluid) passage, and have become one of important development direction of solar energy photovoltaic electric-heating integral system.Yet, it is worthy of note, these technology have also increased the complexity of system and the cost of investment and operation when the raising system is to the solar energy composite utilization ratio, thereby are unfavorable for the economical and efficient utilization of solar energy.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of efficient both sides finned air type solar energy photovoltaic electric-heating integrated apparatus.On the one hand install the natural convection air that transversal rib can weaken in the closed cavity additional by the glass cover-plate inboard in closed cavity and conduct heat, reduce the convection heat losses, thereby increase the effective rate of utilization to solar energy; Can strengthen convective heat transfer between coolant air and the solar cell substrate by in the cooling duct, installing transversal rib or longitudinal fin additional on the other hand, effectively reduce the operating temperature of solar-energy photo-voltaic cell, improve the photoelectric conversion efficiency of solar module, improve simultaneously device to the thermal-arrest ability of solar energy.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The both sides finned air type solar energy photovoltaic electric-heating integrated apparatus that mainly is comprised of the longitudinal fin 5 in the transversal rib 3 in glass cover-plate 1, glass side seal 2, the closed cavity, solar cell substrate 4, the free convection cooling duct or the transversal rib 8 in the forced convertion cooling duct, insulation material 6 and photovoltaic cell component 7 is characterized in that: glass cover-plate 1, glass side seal 2 and solar cell substrate 4 form closed cavity; Transversal rib 3 in the closed cavity is arranged in glass cover-plate 1 inboard; Photovoltaic cell component 7 closely links to each other by the heat-resistant adhesive with high thermal conductivity coefficient with solar cell substrate 4; Be provided with insulation material 6 in free convection or forced convertion cooling duct outer surface; For conveniently accepting solar radiation, whole device tiltable is arranged.
The utility model compared with prior art has following characteristics: (1) is compared with traditional solar energy photovoltaic electric-heating device, the utility model is owing to all having installed fin additional in closed cavity and in the coolant guiding channel, the natural convection air that can suppress on the one hand in the closed cavity is conducted heat, reduce the convection heat losses, improve device to the utilization ratio of solar energy; Can strengthen on the other hand the cooling effect of solar cell substrate, reduce the operating temperature of solar-energy photo-voltaic cell, the overall thermal photoelectric transformation efficiency of Effective Raise device.(2) compare with technology with the measure of utility with the comprehensive thermoelectric conversion of existing raising solar energy photovoltaic electric-heating integrated apparatus, the utility model only needs to install fin additional below and the solar cell substrate inboard at glass cover-plate, easy to process, simple in structure, investment and operating cost are low.(3) by the fin of different directions is set in coolant guiding channel, i.e. transversal rib or longitudinal fin, the utility model is both applicable to the forced convertion type of cooling, again applicable to the free convection type of cooling; In addition, can realize easily and flexibly the adjusting of solar-energy photo-voltaic cell operating temperature by quantity and the size that changes the both sides fin, thereby reach the adjustability that makes things convenient for of device electromotive power output and thermal-arrest ability.
Description of drawings
Fig. 1 is for adopting the both sides finned air type solar energy photovoltaic electric-heating integrated apparatus of the forced convertion type of cooling, and Fig. 2 is for adopting the both sides finned air type solar energy photovoltaic electric-heating integrated apparatus of the free convection type of cooling.
Wherein: the 1-glass cover-plate; 2-glass side seal; Transversal rib in the 3-closed cavity; The 4-solar cell substrate; Longitudinal fin in the 5-free convection cooling duct; The 6-insulation material; The 7-photovoltaic cell component; Transversal rib in the 8-forced convertion cooling duct.
Embodiment
Below in conjunction with the Fig. 1 in the Figure of description and Fig. 2 the utility model implementation is elaborated.
The utility model mainly is comprised of the longitudinal fin 5 in the transversal rib 3 in glass cover-plate 1, glass side seal 2, the closed cavity, solar cell substrate 4, the free convection cooling duct or the transversal rib 8 in the forced convertion cooling duct, insulation material 6 and photovoltaic cell component 7.Glass cover-plate 1, glass side seal 2 and solar cell substrate 4 form closed cavity; Transversal rib 3 in the closed cavity is arranged in glass cover-plate 1 inboard; Photovoltaic cell component 7 closely links to each other by the heat-resistant adhesive with high thermal conductivity coefficient with solar cell substrate 4; Be provided with insulation material 6 in free convection or forced convertion cooling duct outer surface; For conveniently accepting solar radiation, whole device tiltable is arranged; Longitudinal fin 5 in the free convection cooling duct is applicable to the free convection type of cooling, transversal rib 8 in the forced convertion cooling duct is applicable to the forced convertion type of cooling, and the longitudinal fin 5 in the solar cell substrate 4, free convection cooling duct or the transversal rib 8 in the forced convertion cooling duct all can be adopted and be formed from aluminium.
The course of work of the present utility model is as follows:
When solar radiation shone glass cover-plate 1 on the finned air type solar energy photovoltaic electric-heating integrated apparatus of both sides, solar energy saw through glass cover-plate 1 and enters the closed cavity that is comprised of glass cover-plate 1, glass side seal 2 and solar cell substrate 4.Because the greenhouse effect of closed cavity, the solar energy that enters closed cavity is absorbed by solar photovoltaic battery component 7 on the one hand and converts electric energy to, the heating solar cell substrates 4 on the other hand, and simultaneously some heat loses by glass cover-plate 1 and glass side seal 2 mode with convection current and radiation.But but because the natural convection air in the transversal rib 3 establishment closed cavities in the closed cavity, thereby so that the convection heat losses by closed cavity reduce.After solar cell substrate 4 was heated, heat was passed to cooling-air in the coolant guiding channel in the mode of free convection or forced convertion.If adopt the forced convertion type of cooling, as shown in Figure 1, the length direction of the transversal rib 8 in the forced convertion cooling duct is vertical with the flow direction of cooling-air.Cooling-air enters from the coolant guiding channel cold junction, mainly constantly absorb the heat that the transversal rib 8 in solar cell substrate 4 and the forced convertion cooling duct spreads out of with convection type, with compare without the device of fin in the common coolant guiding channel, because the perturbation action of the 8 pairs of air of transversal rib in the forced convertion cooling duct and the increase of heat transfer area, cooling-air is strengthened the cooling effect of solar cell substrate, the caloric receptivity of cooling-air increases, the thermal-arrest ability strengthens, and the air after being heated flows out from the coolant guiding channel hot junction at last.If adopt the free convection type of cooling, as shown in Figure 2, the length direction of the longitudinal fin 5 in the free convection cooling duct is identical with the flow direction of cooling-air, cooling-air constantly absorbs the heat that the longitudinal fin 5 in solar cell substrate 4 and the free convection cooling duct spreads out of, and temperature constantly raises.In the common coolant guiding channel without the device of fin, because the utility model is provided with the longitudinal fin 5 in the free convection cooling duct, heat transfer area increases, and the caloric receptivity of cooling-air increases, the thermal-arrest ability strengthens, and the air after being heated flows out from the coolant guiding channel hot junction at last.
Claims (2)
1. a both sides finned air type solar energy photovoltaic electric-heating integrated apparatus mainly is comprised of longitudinal fin (5) or the transversal rib (8) in the forced convertion cooling duct, insulation material (6) and photovoltaic cell component (7) in the transversal rib (3) in glass cover-plate (1), glass side seal (2), the closed cavity, solar cell substrate (4), the free convection cooling duct; It is characterized in that: glass cover-plate (1), glass side seal (2) and solar cell substrate (4) form closed cavity; Transversal rib (3) in the closed cavity is arranged in glass cover-plate (1) inboard; Photovoltaic cell component (7) closely links to each other by the heat-resistant adhesive with high thermal conductivity coefficient with solar cell substrate (4); Be provided with insulation material (6) in free convection or forced convertion cooling duct outer surface; For conveniently accepting solar radiation, whole device tiltable is arranged.
2. a kind of both sides according to claim 1 finned air type solar energy photovoltaic electric-heating integrated apparatus, it is characterized in that: the longitudinal fin (5) in the free convection cooling duct described in the claim 1 is applicable to the free convection type of cooling, transversal rib in the forced convertion cooling duct (8) is applicable to the forced convertion type of cooling, and the longitudinal fin (5) in the solar cell substrate (4), free convection cooling duct or the transversal rib (8) in the forced convertion cooling duct all can be adopted and be formed from aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204786359U CN202871836U (en) | 2012-09-19 | 2012-09-19 | Air-type solar photovoltaic electro-thermal integrated device provided with added fins on two sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204786359U CN202871836U (en) | 2012-09-19 | 2012-09-19 | Air-type solar photovoltaic electro-thermal integrated device provided with added fins on two sides |
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| Publication Number | Publication Date |
|---|---|
| CN202871836U true CN202871836U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012204786359U Expired - Fee Related CN202871836U (en) | 2012-09-19 | 2012-09-19 | Air-type solar photovoltaic electro-thermal integrated device provided with added fins on two sides |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615776A (en) * | 2013-11-25 | 2014-03-05 | 陈蜀乔 | Solar cell heating panel water filter air conditioning system for swimming pool |
| CN108449047A (en) * | 2018-03-23 | 2018-08-24 | 山东大学 | A kind of photovoltaic and photothermal utilization system and method |
-
2012
- 2012-09-19 CN CN2012204786359U patent/CN202871836U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615776A (en) * | 2013-11-25 | 2014-03-05 | 陈蜀乔 | Solar cell heating panel water filter air conditioning system for swimming pool |
| CN103615776B (en) * | 2013-11-25 | 2021-11-09 | 蔚蓝计划(北京)科技有限公司 | Swimming pool solar cell heating plate water filtering air conditioning system |
| CN108449047A (en) * | 2018-03-23 | 2018-08-24 | 山东大学 | A kind of photovoltaic and photothermal utilization system and method |
| CN108449047B (en) * | 2018-03-23 | 2023-11-03 | 山东大学 | Photovoltaic photo-thermal comprehensive utilization system and method |
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| 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: 20130410 Termination date: 20170919 |