CN201256368Y - High efficiency low cost solar energy cogeneration system - Google Patents
High efficiency low cost solar energy cogeneration system Download PDFInfo
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- CN201256368Y CN201256368Y CNU2008201093944U CN200820109394U CN201256368Y CN 201256368 Y CN201256368 Y CN 201256368Y CN U2008201093944 U CNU2008201093944 U CN U2008201093944U CN 200820109394 U CN200820109394 U CN 200820109394U CN 201256368 Y CN201256368 Y CN 201256368Y
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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
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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
- Y02E10/60—Thermal-PV hybrids
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
A high efficiency low cost solar energy thermoelectric double-output system comprises an optical collector and a heat absorption light filter, wherein a front transparent window plate and a rear transparent window plate are arranged on a photovoltaic cell and a shell of the heat absorption light filter, the average internal transmittance of the front transparent window plate and the rear transparent window plate is bigger than 80%/cm corresponding to solar light rays with the wavelength of 400 to 2300nm, the front transparent window plate is towards the optical collector, a focal point of the optical collector is dropped into an inner cavity of the heat absorption light filter, heating media are contained in the hollow cavity of the heat absorption light filter, the average transmittance of the heating media is bigger than 85%/cm corresponding to visible light with the wavelength of 400 to 760nm, the average absorptance is bigger than 20%/cm corresponding to infrared light with the wavelength of 1150 to 2300nm, a cell box storehouse is arranged on the back of the rear transparent window plate, the photovoltaic cell is installed in the cell box storehouse, and the distance between the front transparent window plate and the rear transparent window plate is 10 to 120mm. The system adopts a simple structure and simple heating media to solve the difficult problem of cooling temperature of the photovoltaic cell effectively, a sensitive characteristic zone of the photovoltaic cell is well matched, which enables the whole spectral coverage of solar spectrum to generate power or heat correspondingly without waste, and the solar energy productivity is greatly improved.
Description
Technical field
The utility model relates to helioplant, and particularly a kind of high efficiency, low cost, full spectral coverage make full use of the co-generation unit of solar energy.
Background technology
Fossil fuel such as oil, natural gas, coal, it is non-renewable primary energy, its reserves are limited, calculate by present yield, will be exhausted by exploitation after decades, because primary energy is in short supply, price is constantly soaring, has become the common significant problem of paying close attention to of international community, in order to deal with the shortage of primary energy, countries in the world are all developed the new energy and are efficiently utilized actively seeking, and wherein the most valued is solar power generation.
The solar energy that the earth received last 40 minute, if all utilize, the just enough energy resource consumptions in 1 year in the whole world.The solar radiation spectral region that ground can receive is mainly at 300-2300nm, and the above infrared ray major part of ultraviolet ray that 300nm is following and 2300nm has been absorbed by atmosphere.And the ultraviolet ray of 300-380nm has some negative effects to photovoltaic cell, the shortwave light of 380-400nm is very low to the quantum efficiency of photovoltaic cell, so in the electricity generation system of using photovoltaic cell, the utilization of the solar spectrum of the general main consideration 400-2300nm of people.
Present solar energy generation technology, what great majority adopted is the photovoltaic battery panel (solar panel) of non-optically focused, this mode is gathered one square metre sunlight needs one square metre photovoltaic cell, causes cost of electricity-generating higher, has limited its large-scale promotion.
If utilize concentrator that sunlight is pooled a shaped laser spot, illumination density to photovoltaic battery panel can improve more than 400 times, not only make the usable floor area of photovoltaic cell reduce more than 400 times, and the photoelectric conversion efficiency of photovoltaic cell can improve absolute value about 5%, realization solar energy low cost, high efficiency generating on the original basis.
But sunlight is through after converging, energy density greatly improves, the temperature at focal spot place is up to several Baidu, because the rising along with temperature after 25 degree of the photoelectric conversion efficiency of crystal silicon photovoltaic cell is linear decrease, long term high temperature also may reduce the life-span of crystal silicon photovoltaic cell.Therefore, seek a kind of method of with low cost, reduction photovoltaic cell surface temperature that method is simple, respond well, and when reducing temperature, this part heat also is converted into the high-grade electric energy, make the comprehensive utilization ratio and the energy grade of solar energy reach maximization, become the key technology that can solar energy concentration generating high-efficiency and low-cost, prior art is higher to the cooling cost of photovoltaic cell, and method is complicated; Do not adopt thermoelectric conversion element further to improve generating efficiency, overall cost performance is also lacked competitiveness, and can't substitute thermal power generation with the large solar concentrating to generate power, promotes to huge numbers of families.
The utility model content
For addressing the above problem, the purpose of this utility model provides a kind of high-efficiency low-cost solar cogeneration system, opto-electronic conversion sensitive volume characteristic according to photovoltaic cell, the heating agent that employing matches, divide spectral coverage to utilize solar energy, make the full spectral coverage of solar spectrum correspondingly be used for generating electricity or being used for heat production, not waste, add and adopt photovoltaic cell and thermoelectric conversion element to generate electricity simultaneously, the overall utilance of solar energy and the taste of production capacity have greatly been improved, owing to adopt simple heating agent hot, simple in structure to the photovoltaic cell filter in heat production, with low cost, respond well.
For achieving the above object, the utility model is by the following technical solutions:
A kind of high-efficiency low-cost solar cogeneration system, comprise tracker, concentrator, the heat absorption filter, photovoltaic cell, it is characterized in that: heat absorption filter housing is made by sheet metal, before the front and back of heat absorption filter housing is respectively arranged with, back transparency window oralia, before, distance between the back transparency window oralia is 10-120mm, before, back transparency window oralia is that the average internal transmittance of sunray of 400-2300nm is greater than 80%/cm for wavelength, preceding transparency window oralia is towards concentrator, concentrator with the position relation of heat absorption filter is: the focus of concentrator drops on the axis of heat absorption filter, distance range between the center of the focus of concentrator and heat absorption filter is+90mm is to-90mm, be loaded with the heating agent of flow morphology in the heat absorption filter inner chamber, this heating agent is the visible light of 400-760nm for wavelength, average transmittance is greater than 85%/cm, for wavelength is the infrared light of 1150-2300nm, the average absorption ratio is greater than 20%/cm, the back side at back transparency window oralia is provided with the battery storehouse, in this battery storehouse photovoltaic cell is housed, separated by a distance between described photovoltaic cell and the back transparency window oralia.
Described heat absorption filter sidewall outer surface is provided with thermoelectric conversion element, the arranged outside of thermoelectric conversion element has radiator, the heat absorbing end of thermoelectric conversion element closely contacts with the sidewall of heat absorption filter, and the release end of heat of thermoelectric conversion element closely contacts with the heat absorbing end of radiator.
Described photovoltaic cell is fixed on the end plate in battery storehouse, the back side at battery storehouse end plate is provided with thermoelectric conversion element, the back side of thermoelectric conversion element is provided with radiator, the heat absorbing end of thermoelectric conversion element closely contacts with the end plate in battery storehouse, and the release end of heat of thermoelectric conversion element closely contacts with the heat absorbing end of radiator.
Described photovoltaic cell is fixed on the end plate in battery storehouse, is provided with radiator at the back side of battery storehouse end plate, and the heat absorbing end of this radiator closely contacts with the end plate in battery storehouse.
The material of described thermoelectric conversion element is a kind of in aluminium oxide, co-sb alloy, niobic acid cobalt, Fang Gukuang, bismuth telluride-base, cobaltous telluride base, the calcium cobaltate-based oxide.
Described concentrator is made of concave mirror or Fresnel Lenses, the shape of described forward and backward transparent window is a kind of in plane, sphere, parabola, hyperboloid shape or its combination, the material of forward and backward transparency window oralia is a kind of in alpha-alumina crystals, quartz, glass, the Merlon, be laid with anti-reflection film system on the outer surface of preceding transparency window oralia, this anti-reflection film system is made up of the layer 1-7 anti-reflection film, and this anti-reflection film system is that the average transmittance of sunray of 400-2300nm is greater than 97% for wavelength.
Be laid with anti-reflection film system on the outer surface of described back transparency window oralia, this anti-reflection film system is made up of the layer 1-7 anti-reflection film, and this anti-reflection film system is that the average transmittance of sunray of 400-800nm is greater than 97% for wavelength.
One of them links the hot chamber of the inner chamber of described heat absorption filter and Stirling engine, the impeller cavity of wind-driven generator.
Described heating agent is made of gaseous working medium or liquid refrigerant or its mixture.
Heating agent also can be a gaseous working medium, and heating agent can be a kind of or its mixture in water vapour, carbon dioxide, nitrogen, helium, the hydrogen.
Described heating agent can be a liquid refrigerant, and heating agent can be a kind of or its mixture in pure water, light water, ammoniacal liquor, the ethanol.
In order to utilize the full spectral coverage energy of solar energy, heating agent of the present utility model possesses following characteristic:
Heating agent is that the visible light average transmittance of 400-760nm is greater than 80%/cm for wavelength, for wavelength is the infrared light of 1150-2300nm, the average absorption ratio is greater than 20%/cm, adopt the heating agent of 50mm thickness, just can all absorb the infrared hot line of 1150-2300, make the light that shines the photovoltaic cell surface become cold light on the one hand, thereby reduce the temperature of photovoltaic cell, the thermal source of having got back simultaneously kills two birds with one stone.
What deserves to be mentioned is: people find that never water or water vapour just possess above-mentioned physical characteristic.Therefore, heating agent of the present utility model can be water or water vapour, so just need not take very complicated method to remove to select heating agent, thereby reduce cost greatly.
Adopt the mixed liquor of water and ethanol, also can obtain to have the heating agent of above-mentioned characteristic, at first prepare a series of, the mixed liquor of 5-10 variable concentrations for example, spectral transmittance or absorptance with the mixed liquor of each ratio of spectrophotometric determination mark each point then on network of coordinates, connect into curve at last, when its spectral absorptance curve during, be and can be applicable to desirable heating agent of the present utility model near shape shown in Figure 7.
The utlity model has following positive beneficial effect:
The concentrator of native system adopts rotation concave curved surface high reflection mirror that is coated with silver and medium protection film or the Fresnel Lenses that is coated with anti-reflection film; make sunlight from the full wave acquisition rate of 400-2300nm up to more than 97%; because light spot shape is a point-like; save 1 times of photovoltaic cell usable floor area than wire hot spot; native system optically focused ratio is up to more than 400 times; the non-concentrating to generate power mode of comparable tradition is saved photovoltaic cell use amount 99%, reduces cost of electricity-generating greatly.Native system is provided with thermoelectric conversion element in the heat absorption filter side and the photovoltaic cell back side, when reducing the photovoltaic cell surface temperature, this part heat is also converted to electric energy, turn waste into wealth, the overall utilance of solar energy and the taste of production capacity have greatly been improved, because focused light spot is little, the temperature height and the room temperature temperature difference of heat absorption filter are big, and the generating efficiency that is installed in heat absorption filter thermoelectric conversion element is all around improved greatly.
The heat absorption filter of native system adopts metal shell, and the material of shell is selected stainless steel, a kind of in silver, copper, aluminium or its alloy, heat conductivility is better than glass, can be fast heat conduction to the thermoelectric conversion element of being close to it.
The forward and backward window of the heat absorption filter of native system is equipped with the transparency window oralia, be coated with optical anti-reflective film on the transparency window oralia, 97% of the feasible solar energy of being gathered all enters in the heat absorption filter inner chamber, heating agent in the inner chamber is that the transmission of visible light of 400-780nm can reach more than 95% to wavelength, and still shine on the photovoltaic cell that is packaged in its back and produce electric energy with 99% transmittance, and be the infrared light of 1150-2300nm to wavelength, when heating agent thickness equals 50mm, its 100% absorption and 100% is changed into heat.Like this, to this part sunlight of the very high 400-780nm of silicon photovoltaic battery quantum efficiency, its 95% arrival photovoltaic cell surface is used for generating electricity; The silicon photovoltaic cell is had certain quantum efficiency, and that part that also has this part sunlight of the 780-1150nm of big efficient, transmission to cross heating agent to photo-thermal conversion is used for generating, and that part of the overheated matchmaker of transmissive is not used for heat production; The silicon photovoltaic cell is had not a particle of quantum efficiency and this part sunlight of the 1150-2300nm of side effect is arranged, and it 100% is absorbed by heating agent and to be used for heat production, makes whole spectrum of sunlight all obtain unprecedented efficient utilization, almost has not a particle of waste.
And, behind the sunlight process heat absorption filter, the hot light of wherein infrared spectral coverage 1100-2300nm has all been absorbed by heating agent, can't be transmitted to the photovoltaic cell surface, greatly reduced the temperature of photovoltaic cell sensitive surface, this is just with very simple way, and very low cost has solved the temperature rising and made the linear difficult problem that reduces this long-term puzzlement industry of conversion efficiency.Photovoltaic cell is encapsulated in the battery storehouse, back of heat absorption filter, distance heat absorption filter has certain distance, avoided the heat conduction on the heat absorption filter to influence conversion efficiency to the photovoltaic cell surface, simultaneously, does not expose on the surface of photovoltaic cell, avoided dust and sand to cover on its surface, efficiently solved photovoltaic cell and covering the problem that the dust and sand behind efficiency reduces.
Native system not only utilizes photovoltaic cell to produce electric energy, and utilize thermoelectric conversion element to produce electric energy simultaneously, than utilizing photovoltaic cell capable of generating power to improve electricity generation ability more than 30% merely, this has not only improved the total utilization ratio of solar energy, and has improved the proportion of high-grade energy (electric energy) in the solar energy production capacity.
The heat absorption filter of native system have simultaneously the efficiency light thermal conversion, efficiently cool off the sensitivity of photovoltaic cell surface temperature, science coupling photovoltaic cell light quantum, the function of thermal source quadruple effect unification is provided for thermoelectric conversion element.
The native system generating efficiency improves 30% than prior art at least, and cost of electricity-generating reduces more than 40%, has started the New Times that extensive, high efficiency, low cost are utilized solar energy, is the revolutionary character breakthrough that solar energy utilizes.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the user mode schematic diagram of Fig. 2.
Fig. 4 is the structural representation of the utility model embodiment two and embodiment three.
Fig. 5 is the partial enlarged drawing of Fig. 4.
Fig. 6 is the solar spectrum quantum efficiency characteristic curve of photovoltaic cell.
Fig. 7 is the solar spectrum absorptance characteristic curve of the utility model heating agent.
Embodiment
Number in the figure:
Transparency window oralia before 1 concentrator, 2 heat absorption filters, 3 photovoltaic cells 4
5 back transparency window oralia 6 sidewalls 7 sidewalls 8 heating agents
9 battery storehouses, 10 anti-reflection film systems, 11 anti-reflection film systems
12 thermoelectric conversion elements, 13 thermoelectric conversion elements, 14 radiators
15 radiators, 16 radiators, 17 thermoelectric conversion elements, 18 radiators
Embodiment one
Please refer to Fig. 1, Fig. 2, Fig. 3, the utility model is a kind of high-efficiency low-cost solar cogeneration system, comprise concentrator 1, heat absorption filter 2, concentrator 1 is made of speculum, the housing of heat absorption filter 2 is made by sheet metal, before the front and back of heat absorption filter 2 housings is respectively arranged with, back transparency window oralia 4,5, before being somebody's turn to do, back transparency window oralia 4,5 is that the average internal transmittance of sunray of 400-2300nm is greater than 80%/cm for wavelength, preceding transparency window oralia 4 is towards concentrator 1, concentrator 1 with the position relation of heat absorption filter 2 is: the focus of concentrator 1 drops on the axis of heat absorption filter 2, distance range between the center of the focus of concentrator 1 and heat absorption filter 2 is+90mm is to-90mm, be loaded with the heating agent 8 of flow morphology in heat absorption filter 2 inner chambers, this heating agent 8 is the visible light of 400-760nm for wavelength, average transmittance is greater than 85%/cm, for wavelength is the infrared light of 1150-2300nm, the average absorption ratio is greater than 20%/cm, the back side at back transparency window oralia 5 is provided with battery storehouse 9, in this battery storehouse 9 crystal silicon photovoltaic cell 3 is housed, the spectral response district that its photoelectricity transforms is 400-1000nm, leave the space of 50 millimeter between crystal silicon photovoltaic cell 3 and the back transparency window oralia 5, the heat that can prevent heating agent 8 is directly passed to crystal silicon photovoltaic cell 3 by back transparency window oralia 5, damages crystal silicon photovoltaic cell 3 or reduces its conversion efficiency.
Crystal silicon photovoltaic cell 3 is bonded in by high-temperature plastic on the end plate in battery storehouse 9, is provided with radiator 16 at the back side of battery storehouse 9 end plates, and the heat absorbing end of radiator 16 closely contacts with the end plate in battery storehouse 9.The conversion efficiency of crystal silicon photovoltaic cell is the highest also with regard to twenties percent, the light that shines above it also has seventies percent can become heat, this part heat is harmful to crystal silicon photovoltaic cell 3, the heat that native system is harmful with this part offers radiator 16, radiator 16 discharges feed-tank with this part waste heat, the electricity of solar energy and heat are all utilized fully, when taking away heat, can also kill two birds with one stone for crystal silicon photovoltaic cell 3 coolings.
In the present embodiment, heat absorption filter 2 sidewall outer surfaces are provided with thermoelectric conversion element 12,13,12,13 outsides of thermoelectric conversion element are respectively arranged with radiator 14,15, the heat absorbing end of thermoelectric conversion element 12,13 closely contacts with the sidewall 6,7 of heat absorption filter 2 respectively, and the release end of heat of thermoelectric conversion element 12 closely contacts with the heat absorbing end of radiator 14.The release end of heat of thermoelectric conversion element 13 closely contacts with the heat absorbing end of radiator 15.Thereby form the big temperature difference, improve the photoelectric conversion efficiency of thermoelectric material.The waste heat that thermoelectric conversion element cannot utilize is guided to water tank by heat pipe or water pipe, and the electricity of solar energy and heat are all utilized fully.Heating agent 8 in this example is mixed liquors of second alcohol and water, and its ratio is 30:70, and its refractive index N=1.34 is approaching with the refractive index N=1.46 of clear glass, and boundary reflection loses less than 0.18%, and the sunlight that converges almost all can enter mixed liquor.The degree of depth of mixed liquor is 120 millimeters, can be absorbed into heat energy to the solar heat spectrum 100% of 1150-2300nm, and wavelength is that the visible light of 400-780 then is transmitted on the crystal silicon photovoltaic cell 3 of transparency window oralia 5 back, back, produces electric energy.
Before be laid with anti-reflection film system 10 on the outer surface of transparency window oralia 4, anti-reflection film system 10 is made of one deck anti-reflection film, anti-reflection film system 10 is that the average transmittance of sunray of 400-2300nm is greater than 97% for wavelength.Be laid with anti-reflection film system 11 on the outer surface of back transparency window oralia 5, anti-reflection film system 11 is made of seven layers of broad-band transparence-increased films stack, and anti-reflection film system 11 is that the average transmittance of sunray of 400-800nm is greater than 99% for wavelength.Use native system in the area that sand and dust are bigger, can on reflection-type beam condenser, cover one deck ultra-clear glasses, low iron glass or polymer such as PC, PET, reduce the influence of sand and dust, and can prolong the useful life of concentrator the concentrator reflectivity as cover plate.
Embodiment two
Please refer to Fig. 4, Fig. 5, in the present embodiment, concentrator 1 adopts Fresnel transmission-type condenser, Fresnel transmission-type condenser adopts the compacting of PMMA material to form, the preceding transparency window oralia 4 of heat absorption filter 2 is made of the quartz glass of sphere, the top is coated with anti-reflection film system 10, and anti-reflection film system 10 is made of one deck anti-reflection film, and the average transmittance of the sunlight that 10 pairs of wavelength of anti-reflection film system are 400-2300nm is greater than 97%.
Back transparency window oralia 5 is made of the high temperature resistant pyrex plate in plane, and the top is coated with anti-reflection film system 11, and anti-reflection film system 11 is made of three to seven layers of anti-reflection film stack, and the average transmittance of the visible light that 11 pairs of wavelength of anti-reflection film system are 400-780nm is greater than 99%.Silicon or GaAs photovoltaic cell 3 with high voltage are bonded on the end plate in battery storehouse 9 by high-temperature plastic, the back side at battery storehouse 9 end plates is provided with thermoelectric conversion element 17, the back side of thermoelectric conversion element 17 is provided with radiator 18, the heat absorbing end of thermoelectric conversion element 17 closely contacts with the end plate in battery storehouse 9, and the release end of heat of thermoelectric conversion element 17 closely contacts with the heat absorbing end of radiator 18.Conversion efficiency with the silicon of high voltage or GaAs photovoltaic cell 3 is the highest also has only about 30 percent, all the other about 70 percent are converted into heat, this part heat is harmful to photovoltaic cell, native system offers thermoelectric conversion element 17 to harmful heat and makes heat resource power generation, the waste heat that thermoelectric conversion element cannot utilize is guided to water tank by heat pipe or water pipe, and the electricity of solar energy and heat are all utilized fully.When taking away heat, can also kill two birds with one stone for silicon or 3 coolings of GaAs photovoltaic cell.
Embodiment three
Please refer to Fig. 4, Fig. 5, the concentrator 1 of present embodiment is identical with embodiment two.The preceding transparency window oralia 4 of heat absorption filter 2 is made of high temperature resistant pyrex flat board, and the top is coated with anti-reflection film system 10, and anti-reflection film system 10 is made of one deck anti-reflection film, and the average transmittance of the sunlight of 10 couples of 400-2300nm of anti-reflection film system is greater than 97%.Back transparency window oralia 5 also is made of high temperature resistant pyrex flat board, and the top is coated with anti-reflection film system 11, and anti-reflection film system 11 is made of three to seven layers anti-reflection film stack, and the average transmittance of the visible light that 11 pairs of wavelength of anti-reflection film system are 400-780nm is greater than 99%.Photovoltaic cell 3 adopts two-fold knot InGaP, InGaAs battery, its spectral response district is at 400-900nm, be bonded in by high-temperature plastic on the end plate in battery storehouse 9, the back side at battery storehouse 9 end plates is provided with thermoelectric conversion element 17, the back side of thermoelectric conversion element 17 is provided with radiator 18, the heat absorbing end of thermoelectric conversion element 17 closely contacts with the end plate in battery storehouse 9, and the release end of heat of thermoelectric conversion element 17 closely contacts with the heat absorbing end of radiator 18.The high conversion efficiency of two-fold junction photovoltaic battery 3 has only thirties percent, all the other sixties percent are converted into heat, this part heat is harmful to battery, by this device, harmful heat is offered thermoelectric conversion element 17 make heat resource power generation, the waste heat that thermoelectric conversion element 17 cannot utilize is guided to water tank by super heat-conductive pipe or water pipe, and the electricity of solar energy and heat are all utilized fully.When taking away heat, can also kill two birds with one stone for double junction battery cooling.In the present embodiment, heating agent 8 is made of ethanol or ammoniacal liquor, and its refractive index N=1.36 is approaching with the refractive index N=1.52 of pyrex, and boundary reflection loses less than 0.31%, and the sunlight that converges almost all can enter in the ethanol.The degree of depth of ethanol or ammoniacal liquor is 10 millimeters, can be absorbed into heat energy to the solar heat spectra part of 1200-2300nm, and wavelength is that then most of being transmitted on the double junction photovoltaic battery 3 by heating agent 8 of the shortwave sunlight of 400-900nm generated electricity.Above-mentioned three embodiment are based on generating, have heat supply concurrently, when concrete the application, native system can heat supply be main also, have generating concurrently, promptly thermoelectric conversion element is not set outside heat absorption filter 2 sidewalls and insulation material is set, heating agent circulates by super heat-conductive pipe or water pipe, promptly can be to the load terminal heat supply.When heating agent adopted light water, it is standby that the inner chamber of heat absorption filter 2 can connect the thermal storage water tank.The solar cogeneration system of making in a manner described, each section spectrum in the sunlight is made full use of to greatest extent, add and adopt photovoltaic cell and thermoelectric conversion element to generate electricity simultaneously, the overall utilance of solar energy and the taste of production capacity have greatly been improved, because simple heating agent of employing and simple device, hot to the photovoltaic cell filter in heat production, method is simple, with low cost, respond well.Extensive, the low-cost application of solar energy become a reality, solve the energy shortage problem, have broad prospect of application.Please refer to Fig. 2, the distance H between the forward and backward transparency window oralia 4,5 is 10-120mm; This distance H promptly is the thickness of heating agent 8, and the thickness of heating agent 8 is directly related with the transmittance of solar spectral (absorptance).In order to set forth this problem, measure as heating agent with pure water, pure water is positioned in the quartz colorimetric utensil that thickness is 10mm, utilize spectrophotometer to its spectrum from wavelength 400nm to wavelength 2300nm, every transmittance data of 10nm test, the boundary reflection loss of deduction quartz colorimetric utensil, its result is as shown in the table: first row of form is represented the thickness of heating agent 8, its unit is a millimeter, and first row of form are represented the wavelength of solar spectrum, and its unit is a nanometer.Spectral absorptance is approximately equal to 1 and deducts spectral transmittance.
For the silicon photovoltaic cell, its spectral response district is mainly at 400-1000nm, see Fig. 6, by following table as can be seen, if select the water of thickness 50mm for use, 400 to 700nm, its transmittance is on average greater than 97%, begin slow decline after the 700nm, the spectral response curve of silicon photovoltaic cell has extraordinary coupling among this and Fig. 6.After 1150nm, the spectral responsivity of silicon photovoltaic cell has not almost had, and the transmittance of water also drops to 0.0066, absorptance reaches 99.34%, in other words, the silicon photovoltaic cell can't carry out the later solar spectrum of 1150nm of opto-electronic conversion, water has converted it to heat very effectively, as shown in Figure 7, this has not only improved the comprehensive utilization ratio to the full spectral coverage of sunlight greatly, and with the simplest way, the most cheap material, the most effective concentrator cell heating problem that perplexs people for a long time that solved always.At some is the occasion of main application with hot water, can be big the Thickness Design of heating agent 8, but thickness is too big to the absorption of the spectrum of 700-1100nm greater than after 120 millimeters, generating efficiency to the silicon photovoltaic cell reduces too much, so the thickness of heating agent 8 generally is not more than 120mm.Progress along with science and technology, the spectrum respective area of photovoltaic cell is in continuous infrared extension to the long wave direction, therefore, in some occasions, it is little that the thickness of heating agent 8 will be tried one's best, and from following table as can be seen, thickness has 60% less than 10 millimeters water at the infra-red transmittance of 1150nm, just absorb Bizet 40%, be unfavorable for that this part infrared spectrum converts the surface temperature of heat and reduction photovoltaic cell to.So the thickness of general heating agent 8 is not less than 10 millimeters.And thickness is during greater than 120 millimeters, this part absorptivity of 960-990nm is reached 99%, this part light has absorbed big and has understood the photoelectric conversion efficiency that influence the silicon photovoltaic cell, so the THICKNESS CONTROL of heating agent is advisable at the 10-120 millimeter in the spectral response district of silicon photovoltaic cell.The pure water of different-thickness is to the transmittance (absorptance=1-transmittance) of solar spectrum
| nm\ |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 400 | 0.9976 | 0.9953 | 0.9906 | 0.9859 | 0.9813 | 0.9767 | 0.9721 | 0.9675 | 0.9629 | 0.9449 |
| 410 | 0.9975 | 0.9951 | 0.9902 | 0.9853 | 0.9804 | 0.9756 | 0.9708 | 0.9660 | 0.9613 | 0.9424 |
| 420 | 0.9865 | 0.9930 | 0.9860 | 0.9791 | 0.9722 | 0.9654 | 0.9586 | 0.9519 | 0.9452 | 0.9189 |
| 430 | 0.9976 | 0.9952 | 0.9905 | 0.9857 | 0.9810 | 0.9763 | 0.9716 | 0.9670 | 0.9624 | 0.9440 |
| 440 | 0.9980 | 0.9960 | 0.9920 | 0.9880 | 0.9840 | 0.9800 | 0.9761 | 0.9721 | 0.9682 | 0.9527 |
| 450 | 0.9978 | 0.9956 | 0.9913 | 0.9870 | 0.9827 | 0.9784 | 0.9741 | 0.9699 | 0.9656 | 0.9488 |
| 460 | 0.9980 | 0.9959 | 0.9918 | 0.9878 | 0.9837 | 0.9797 | 0.9757 | 0.9717 | 0.9677 | 0.9519 |
| 470 | 0.9983 | 0.9965 | 0.9931 | 0.9896 | 0.9862 | 0.9828 | 0.9794 | 0.9760 | 0.9726 | 0.9592 |
| 480 | 0.9985 | 0.9970 | 0.9940 | 0.9909 | 0.9879 | 0.9850 | 0.9820 | 0.9790 | 0.9760 | 0.9643 |
| 490 | 0.9985 | 0.9970 | 0.9940 | 0.9910 | 0.9880 | 0.9851 | 0.9821 | 0.9792 | 0.9762 | 0.9645 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 500 | 0.9986 | 0.9971 | 0.9943 | 0.9914 | 0.9885 | 0.9857 | 0.9829 | 0.9800 | 0.9722 | 0.9660 |
| 510 | 0.9988 | 0.9976 | 0.9952 | 0.9929 | 0.9905 | 0.9882 | 0.9858 | 0.9835 | 0.9811 | 0.9718 |
| 520 | 0.9987 | 0.9974 | 0.9948 | 0.9921 | 0.9895 | 0.9869 | 0.9843 | 0.9818 | 0.9792 | 0.9688 |
| 530 | 0.9995 | 0.9990 | 0.9981 | 0.9971 | 0.9962 | 0.9952 | 0.9943 | 0.9933 | 0.9924 | 0.9886 |
| 540 | 0.9986 | 0.9971 | 0.9943 | 0.9914 | 0.9886 | 0.9858 | 0.9829 | 0.9801 | 0.9773 | 0.9660 |
| 550 | 0.9982 | 0.9965 | 0.9930 | 0.9895 | 0.9861 | 0.9826 | 0.9792 | 0.9757 | 0.9723 | 0.9588 |
| 560 | 0.9989 | 0.9978 | 0.9957 | 0.9936 | 0.9914 | 0.9893 | 0.9872 | 0.9850 | 0.9829 | 0.9745 |
| 570 | 0.9986 | 0.9972 | 0.9944 | 0.9916 | 0.9888 | 0.9860 | 0.9832 | 0.9804 | 0.9777 | 0.9666 |
| 580 | 0.9991 | 0.9982 | 0.9963 | 0.9945 | 0.9927 | 0.9909 | 0.9891 | 0.9873 | 0.9855 | 0.9783 |
| 590 | 0.9991 | 0.9981 | 0.9963 | 0.9944 | 0.9926 | 0.9907 | 0.9889 | 0.9870 | 0.9852 | 0.9779 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 600 | 0.9985 | 0.9969 | 0.9938 | 0.9908 | 0.9877 | 0.9847 | 0.9817 | 0.9786 | 0.9756 | 0.9637 |
| 610 | 0.9977 | 0.9953 | 0.9907 | 0.9860 | 0.9814 | 0.9768 | 0.9723 | 0.9677 | 0.9632 | 0.9453 |
| 620 | 0.9990 | 0.9980 | 0.9959 | 0.9939 | 0.9919 | 0.9899 | 0.9879 | 0.9858 | 0.9838 | 0.9759 |
| 630 | 0.9981 | 0.9961 | 0.9923 | 0.9885 | 0.9847 | 0.9809 | 0.9771 | 0.9733 | 0.9696 | 0.9547 |
| 640 | 0.9981 | 0.9963 | 0.9925 | 0.9888 | 0.9851 | 0.9814 | 0.9777 | 0.9741 | 0.9704 | 0.9558 |
| 650 | 0.9989 | 0.9978 | 0.9955 | 0.9933 | 0.9910 | 0.9888 | 0.9866 | 0.9844 | 0.9821 | 0.9733 |
| 660 | 0.9990 | 0.9980 | 0.9960 | 0.9940 | 0.9920 | 0.9900 | 0.9880 | 0.9860 | 0.9840 | 0.9761 |
| 670 | 0.9972 | 0.9944 | 0.9889 | 0.9834 | 0.9780 | 0.9726 | 0.9672 | 0.9618 | 0.9565 | 0.9354 |
| 680 | 0.9988 | 0.9977 | 0.9954 | 0.9930 | 0.9907 | 0.9884 | 0.9861 | 0.9838 | 0.9815 | 0.9723 |
| 690 | 0.9980 | 0.9960 | 0.9919 | 0.9879 | 0.9839 | 0.9800 | 0.9760 | 0.9721 | 0.9681 | 0.9525 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 700 | 0.9982 | 0.9965 | 0.9929 | 0.9894 | 0.9859 | 0.9824 | 0.9789 | 0.9755 | 0.9720 | 0.9582 |
| 710 | 0.9954 | 0.9909 | 0.9819 | 0.9730 | 0.9641 | 0.9554 | 0.9467 | 0.9381 | 0.9296 | 0.8962 |
| 720 | 0.9939 | 0.9879 | 0.9759 | 0.9641 | 0.9524 | 0.9408 | 0.9294 | 0.9181 | 0.9070 | 0.8582 |
| 730 | 0.9923 | 0.9847 | 0.9696 | 0.9547 | 0.9401 | 0.9257 | 0.9115 | 0.8975 | 0.8837 | 0.8308 |
| 740 | 0.9843 | 0.9689 | 0.9387 | 0.9095 | 0.8812 | 0.8538 | 0.8273 | 0.9015 | 0.7766 | 0.6844 |
| 750 | 0.9866 | 0.9733 | 0.9474 | 0.9221 | 0.8975 | 0.8735 | 0.8502 | 0.8275 | 0.8055 | 0.7228 |
| 760 | 0.9865 | 0.9731 | 0.9470 | 0.9215 | 0.8968 | 0.8727 | 0.8492 | 0.8264 | 0.8042 | 0.7211 |
| 770 | 0.9868 | 0.9737 | 0.9481 | 0.9232 | 0.8990 | 0.8753 | 0.8523 | 0.8299 | 0.8081 | 0.7264 |
| 780 | 0.9857 | 0.9717 | 0.9441 | 0.9174 | 0.8914 | 0.8662 | 0.8416 | 0.8178 | 0.7946 | 0.7082 |
| 790 | 0.9895 | 0.9791 | 0.9587 | 0.9387 | 0.9192 | 0.9000 | 0.8812 | 0.8628 | 0.8448 | 0.7765 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 800 | 0.9903 | 0.9808 | 0.9619 | 0.9434 | 0.9252 | 0.9074 | 0.8900 | 0.8729 | 0.8561 | 0.00 |
| 810 | 0.9904 | 0.9810 | 0.9623 | 0.9440 | 0.9261 | 0.9084 | 0.8912 | 0.8742 | 0.8576 | 0.00 |
| 820 | 0.9884 | 0.9770 | 0.9545 | 0.9326 | 0.9111 | 0.8902 | 0.8697 | 0.8497 | 0.8301 | 0.00 |
| 830 | 0.9863 | 0.9728 | 0.9463 | 0.9205 | 0.8955 | 0.8711 | 0.8474 | 0.8243 | 0.8018 | 0.00 |
| 840 | 0.9817 | 0.9638 | 0.9288 | 0.8952 | 0.8627 | 0.8314 | 0.8013 | 0.7723 | 0.7443 | 0.00 |
| 850 | 0.9787 | 0.9578 | 0.9174 | 0.8786 | 0.8416 | 0.8060 | 0.7720 | 0.7394 | 0.7082 | 0.00 |
| 860 | 0.9819 | 0.9641 | 0.9296 | 0.8962 | 0.8641 | 0.8331 | 0.8032 | 0.7744 | 0.7466 | 0.00 |
| 870 | 0.9746 | 0.9498 | 0.9021 | 0.8568 | 0.8138 | 0.7729 | 0.7341 | 0.6972 | 0.6622 | 0.00 |
| 880 | 0.9791 | 0.9587 | 0.9190 | 0.8810 | 0.8446 | 0.8097 | 0.7762 | 0.7442 | 0.7134 | 0.00 |
| 890 | 0.9769 | 0.9543 | 0.9107 | 0.8691 | 0.8294 | 0.7915 | 0.7553 | 0.7208 | 0.6879 | 0.00 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 900 | 0.9712 | 0.9432 | 0.8897 | 0.8392 | 0.7915 | 0.7466 | 0.7042 | 0.6642 | 0.6265 | .4958 |
| 910 | 0.9669 | 0.9349 | 0.8739 | 0.8170 | 0.7638 | 0.7140 | 0.6675 | 0.6240 | 0.5834 | .4455 |
| 920 | 0.9523 | 0.9069 | 0.8225 | 0.7459 | 0.6765 | 0.6135 | 0.5564 | 0.5046 | 0.4577 | .3095 |
| 930 | 0.9306 | 0.8660 | 0.7500 | 0.6495 | 0.5624 | 0.4871 | 0.4218 | 0.3653 | 0.3163 | .1779 |
| 940 | 0.8948 | 0.8007 | 0.6411 | 0.5133 | 0.4110 | 0.3291 | 0.2635 | 0.2110 | 0.1689 | .0694 |
| 950 | 0.8443 | 0.7128 | 0.5081 | 0.3622 | 0.2582 | 0.1840 | 0.1312 | 0.0935 | 0.0666 | .0172 |
| 960 | 0.8025 | 0.6440 | 0.4148 | 0.2671 | 0.1720 | 0.1108 | 0.0714 | 0.0460 | 0.0296 | .0050 |
| 970 | 0.7908 | 0.6253 | 0.3910 | 0.2445 | 0.1529 | 0.0956 | 0.0598 | 0.0374 | 0.0234 | .0035 |
| 980 | 0.7942 | 0.6308 | 0.3979 | 0.2510 | 0.1583 | 0.0998 | 0.0630 | 0.0397 | 0.0251 | .0039 |
| 990 | 0.8084 | 0.6534 | 0.4270 | 0.2790 | 0.1823 | 0.1191 | 0.0778 | 0.0509 | 0.0332 | .0060 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 1000 | 0.8277 | 0.6850 | 0.4693 | 0.3215 | 0.2202 | 0.1509 | 0.1033 | .0708 | .0485 | .0106 |
| 1010 | 0.8510 | 0.7243 | 0.5246 | 0.3799 | 0.2752 | 0.1993 | 0.1444 | .1046 | .0757 | .0208 |
| 1020 | 0.8755 | 0.7665 | 0.5875 | 0.4504 | 0.3452 | 0.2646 | 0.2028 | .1555 | .1192 | .0411 |
| 1030 | 0.8964 | 0.805 | 0.6457 | 0.5188 | 0.4169 | 0.3350 | 0.2692 | .2163 | .1738 | .2724 |
| 1040 | 0.9142 | 0.8357 | 0.6984 | 0.5836 | 0.4877 | 0.4076 | 0.3406 | .2846 | .2379 | .1160 |
| 1050 | 0.9255 | 0.8565 | 0.7335 | 0.6283 | 0.5381 | 0.4609 | 0.3947 | .3381 | .2895 | .1557 |
| 1060 | 0.9321 | 0.8687 | 0.7547 | 0.6556 | 0.5696 | 0.4948 | 0.4299 | .3734 | .3244 | .1848 |
| 1070 | 0.9335 | 0.8714 | 0.7593 | 0.6616 | 0.5765 | 0.5023 | 0.4377 | .3814 | .3323 | .1915 |
| 1080 | 0.9297 | 0.8643 | 0.7469 | 0.6456 | 0.5579 | 0.4822 | 0.4167 | .3602 | .3113 | .1736 |
| 1090 | 0.9212 | 0.8485 | 0.7200 | 0.6110 | 0.5184 | 0.4399 | 0.3733 | .3167 | .2688 | .1393 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 1100 | 0.9082 | 0.8249 | 0.6804 | 0.5613 | 0.4630 | 0.3819 | 0.3151 | .2599 | .2144 | .0992 |
| 1110 | 0.8924 | 0.7964 | 0.6342 | 0.5051 | 0.4023 | 0.3203 | 0.2551 | .2032 | .1618 | .0650 |
| 1120 | 0.8668 | 0.7513 | 0.5645 | 0.4241 | 0.3186 | 0.2394 | 0.1799 | .1351 | .1015 | .0323 |
| 1130 | 0.8047 | 0.6475 | 0.4192 | 0.2714 | 0.1757 | 0.1138 | 0.0737 | .0477 | .0309 | .0054 |
| 1140 | 0.7004 | 0.4905 | 0.2406 | 0.1180 | 0.0579 | 0.0284 | 0.0139 | .0068 | .0034 | .0001 |
| 1150 | 0.6057 | 0.3669 | 0.1346 | 0.0494 | 0.0181 | 0.0066 | 0.0024 | .0009 | .0003 | .0000 |
| 1160 | 0.5606 | 0.3143 | 0.0988 | 0.0310 | 0.0098 | 0.0031 | 0.0010 | .0003 | .0001 | .0000 |
| 1170 | 0.5469 | 0.2991 | 0.0895 | 0.0268 | 0.0080 | 0.0024 | 0.0007 | .0002 | .0001 | .0000 |
| 1180 | 0.5391 | 0.2907 | 0.0845 | 0.0246 | 0.0071 | 0.0021 | 0.0006 | .0002 | .0001 | .0000 |
| 1190 | 0.5288 | 0.2796 | 0.0782 | 0.0219 | 0.0061 | 0.0017 | 0.0005 | .0001 | .0000 | .0000 |
| |
5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 120 |
| 1200 | 0.5393 | 0.2908 | 0.0846 | 0.0246 | 0.0072 | 0.0021 | 0.0006 | .0002 | .0001 | .00 |
| 1210 | 0.5461 | 0.2982 | 0.0889 | 0.0265 | 0.0079 | 0.0024 | 0.0007 | .0002 | .0001 | .00 |
| 1220 | 0.5565 | 0.3096 | 0.0959 | 0.0297 | 0.0092 | 0.0028 | 0.0009 | .0003 | .0001 | .00 |
| 1230 | 0.5672 | 0.3217 | 0.1035 | 0.3333 | 0.0107 | 0.0034 | 0.0011 | .0004 | .0001 | .00 |
| 1240 | 0.5769 | 0.3328 | 0.1107 | 0.0368 | 0.0123 | 0.0041 | 0.0014 | .0005 | .0002 | .00 |
| 1250 | 0.5859 | 0.3433 | 0.1179 | 0.0405 | 0.0139 | 0.0048 | 0.0016 | .0006 | .0002 | .00 |
| 1260 | 0.5896 | 0.3476 | 0.1208 | 0.0420 | 0.0146 | 0.0051 | 0.0018 | .0006 | .0002 | .00 |
| 1270 | 0.5872 | 0.3448 | 0.1189 | 0.0410 | 0.0141 | 0.0049 | 0.0017 | .0006 | .0002 | .00 |
| 1280 | 0.5730 | 0.3283 | 0.1078 | 0.0354 | 0.0116 | 0.0038 | 0.0013 | .0004 | .0001 | .00 |
| 1290 | 0.5466 | 0.2988 | 0.0893 | 0.0267 | 0.0080 | 0.0024 | 0.0007 | .0002 | .0001 | .00 |
| nm\mm | 2.5 | 5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| 1300 | 0.7122 | 0.5072 | 0.2572 | 0.0662 | 0.0170 | 0.0044 | 0.0011 | .0003 | 0.00 | 0.00 |
| 1310 | 0.6731 | 0.4531 | 0.2053 | 0.0421 | 0.0087 | 0.0018 | 0.0004 | .0001 | 0.00 | 0.00 |
| 1320 | 0.6219 | 0.3867 | 0.1496 | 0.0224 | 0.0033 | 0.0005 | 0.0001 | .0000 | 0.00 | 0.00 |
| 330 | 0.5626 | 0.3166 | 0.1002 | 0.0100 | 0.0010 | 0.0001 | 0.0000 | .0000 | 0.00 | 0.00 |
| 1340 | 0.4953 | 0.2453 | 0.0602 | 0.0036 | 0.0002 | 0.0000 | 0.0000 | .0000 | 0.00 | 0.00 |
| 1350 | 0.4487 | 0.2013 | 0.0405 | 0.0016 | 0.0001 | 0.0000 | 0.0000 | .0000 | 0.00 | 0.00 |
| 1360 | 0.4199 | 0.1763 | 0.0311 | 0.0010 | 0.0000 | 0.0000 | 0.0000 | .0000 | 0.00 | 0.00 |
| 1370 | 0.3541 | 0.1254 | 0.0157 | 0.0002 | 0.0000 | 0.0000 | 0.0000 | .0000 | 0.00 | 0.00 |
| 1380 | 0.3072 | 0.0944 | 0.0089 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | .0000 | 0.00 | 0.00 |
| 1390 | 0.2733 | 0.0747 | 0.0056 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | .0000 | 0.00 | 0.00 |
| nm\mm | 2.5 | 5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| 1400 | 0.2647 | 0.0701 | 0.0049 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1410 | 0.2800 | 0.0784 | 0.0061 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1420 | 0.2942 | 0.0866 | 0.0075 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1430 | 0.2695 | 0.0726 | 0.0053 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1440 | 0.2873 | 0.0826 | 0.0068 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1450 | 0.2809 | 0.0789 | 0.0062 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1460 | 0.2891 | 0.0836 | 0.0079 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1470 | 0.2995 | 0.0897 | 0.0080 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1480 | 0.2984 | 0.0890 | 0.0079 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1490 | 0.2893 | 0.0837 | 0.0070 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| nm\mm | 2.5 | 5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| 1500 | 0.2784 | 0.0775 | 0.0060 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1510 | 0.2879 | 0.0829 | 0.0069 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1520 | 0.2641 | 0.0697 | 0.0049 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1530 | 0.2918 | 0.0851 | 0.0072 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1540 | 0.2919 | 0.0852 | 0.0073 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1550 | 0.2773 | 0.0769 | 0.0059 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1560 | 0.2817 | 0.0794 | 0.0063 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1570 | 0.2761 | 0.0762 | 0.0058 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1580 | 0.2731 | 0.0746 | 0.0056 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1590 | 0.2926 | 0.0856 | 0.0073 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| nm\mm | 2.5 | 5 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| 1600 | 0.2741 | 0.0751 | 0.0056 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1610 | 0.2850 | 0.0812 | 0.0066 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1620 | 0.3020 | 0.0912 | 0.0083 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1630 | 0.2948 | 0.0869 | 0.0075 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1640 | 0.3182 | 0.1012 | 0.0102 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1650 | 0.2984 | 0.0890 | 0.0079 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1660 | 0.2641 | 0.0697 | 0.0049 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1670 | 0.1441 | 0.0208 | 0.0004 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1680 | 0.3079 | 0.0948 | 0.0090 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
| 1690 | 0.3227 | 0.1042 | 0.0109 | 0.0001 | 0.0000 | 0.0000 | 0.0000 | 0.00 | 0.00 | 0.00 |
Claims (10)
1. high-efficiency low-cost solar cogeneration system, comprise tracker, concentrator, the heat absorption filter, photovoltaic cell, it is characterized in that: heat absorption filter housing is made by sheet metal, before the front and back of heat absorption filter housing is respectively arranged with, back transparency window oralia, before, distance between the back transparency window oralia is 10-120mm, before, back transparency window oralia is that the average internal transmittance of sunray of 400-2300nm is greater than 80%/cm for wavelength, preceding transparency window oralia is towards concentrator, concentrator with the position relation of heat absorption filter is: the focus of concentrator drops on the axis of heat absorption filter, distance range between the center of the focus of concentrator and heat absorption filter is+90mm is to-90mm, be loaded with the heating agent of flow morphology in the heat absorption filter inner chamber, this heating agent is the visible light of 400-760nm for wavelength, average transmittance is greater than 85%/cm, for wavelength is the infrared light of 1150-2300nm, the average absorption ratio is greater than 20%/cm, the back side at back transparency window oralia is provided with the battery storehouse, in this battery storehouse photovoltaic cell is housed, separated by a distance between described photovoltaic cell and the back transparency window oralia.
2. high-efficiency low-cost solar cogeneration system as claimed in claim 1, it is characterized in that: described heat absorption filter sidewall outer surface is provided with thermoelectric conversion element, the arranged outside of thermoelectric conversion element has radiator, the heat absorbing end of thermoelectric conversion element closely contacts with the sidewall of heat absorption filter, and the release end of heat of thermoelectric conversion element closely contacts with the heat absorbing end of radiator.
3. high-efficiency low-cost solar cogeneration system as claimed in claim 1, it is characterized in that: described photovoltaic cell is fixed on the end plate in battery storehouse, the back side at battery storehouse end plate is provided with thermoelectric conversion element, the back side of thermoelectric conversion element is provided with radiator, the heat absorbing end of thermoelectric conversion element closely contacts with the end plate in battery storehouse, and the release end of heat of thermoelectric conversion element closely contacts with the heat absorbing end of radiator.
4. high-efficiency low-cost solar cogeneration system as claimed in claim 1, it is characterized in that: described photovoltaic cell is fixed on the end plate in battery storehouse, the back side at battery storehouse end plate is provided with radiator, and the heat absorbing end of this radiator closely contacts with the end plate in battery storehouse.
5. as claim 2 or 3 described high-efficiency low-cost solar cogeneration systems, it is characterized in that: the material of described thermoelectric conversion element is a kind of in aluminium oxide, co-sb alloy, niobic acid cobalt, Fang Gukuang, bismuth telluride-base, cobaltous telluride base, the calcium cobaltate-based oxide.
6. high-efficiency low-cost solar cogeneration system as claimed in claim 1, it is characterized in that: described concentrator is made of concave mirror or Fresnel Lenses, before described, the shape of back transparent window is the plane, sphere, parabolic, hyperboloid shape or its combination, before, the material of back transparency window oralia is an alpha-alumina crystals, quartzy, glass, a kind of in the Merlon, be laid with anti-reflection film system on the outer surface of preceding transparency window oralia, this anti-reflection film system is made up of the layer 1-7 anti-reflection film, and this anti-reflection film system is that the average transmittance of sunray of 400-2300nm is greater than 97% for wavelength.
7. high-efficiency low-cost solar cogeneration system as claimed in claim 1, it is characterized in that: be laid with anti-reflection film system on the outer surface of described back transparency window oralia, this anti-reflection film system is made up of the layer 1-7 anti-reflection film, and this anti-reflection film system is that the average transmittance of sunray of 400-800nm is greater than 97% for wavelength.
8. high-efficiency low-cost solar cogeneration system as claimed in claim 1 is characterized in that: described heating agent is made of gaseous working medium or liquid refrigerant or its mixture.
9. high-efficiency low-cost solar cogeneration system as claimed in claim 8 is characterized in that: described liquid refrigerant is light water, pure water, ethanol or its mixture.
10. high-efficiency low-cost solar cogeneration system as claimed in claim 1 is characterized in that: one of them links the hot chamber of the inner chamber of described heat absorption filter and Stirling engine, the impeller cavity of wind-driven generator.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201093944U CN201256368Y (en) | 2008-07-23 | 2008-07-23 | High efficiency low cost solar energy cogeneration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008201093944U CN201256368Y (en) | 2008-07-23 | 2008-07-23 | High efficiency low cost solar energy cogeneration system |
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| CN201256368Y true CN201256368Y (en) | 2009-06-10 |
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| CNU2008201093944U Expired - Fee Related CN201256368Y (en) | 2008-07-23 | 2008-07-23 | High efficiency low cost solar energy cogeneration system |
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Cited By (8)
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| CN101814870A (en) * | 2010-04-27 | 2010-08-25 | 华南理工大学 | Solar trench type temperature-difference generating device |
| CN103427714A (en) * | 2013-08-13 | 2013-12-04 | 涿州聚烨新能源技术有限公司 | Solar reflecting and light-gathering photovoltaic system and reflecting and light-gathering method |
| CN103595338A (en) * | 2013-10-24 | 2014-02-19 | 河海大学 | Photo-thermal integrated greenhouse gas electricity generation device |
| CN103812438A (en) * | 2014-02-19 | 2014-05-21 | 华北电力大学（保定） | Light reflecting type solar power generation device |
| WO2014101299A1 (en) * | 2012-12-28 | 2014-07-03 | 兰州金福乐生物工程有限公司 | Solar fiber photovoltaic power generation device and application thereof |
| CN104697186A (en) * | 2015-02-16 | 2015-06-10 | 福建工程学院 | Solar heat absorber adopting double-layer optical window structure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814870A (en) * | 2010-04-27 | 2010-08-25 | 华南理工大学 | Solar trench type temperature-difference generating device |
| WO2014101299A1 (en) * | 2012-12-28 | 2014-07-03 | 兰州金福乐生物工程有限公司 | Solar fiber photovoltaic power generation device and application thereof |
| CN103427714A (en) * | 2013-08-13 | 2013-12-04 | 涿州聚烨新能源技术有限公司 | Solar reflecting and light-gathering photovoltaic system and reflecting and light-gathering method |
| CN103427714B (en) * | 2013-08-13 | 2015-10-28 | 涿州聚烨新能源技术有限公司 | A kind of solar energy reflection concentration photovoltaic system and reflecting condensation method thereof |
| CN103595338A (en) * | 2013-10-24 | 2014-02-19 | 河海大学 | Photo-thermal integrated greenhouse gas electricity generation device |
| CN103812438A (en) * | 2014-02-19 | 2014-05-21 | 华北电力大学（保定） | Light reflecting type solar power generation device |
| CN104697186A (en) * | 2015-02-16 | 2015-06-10 | 福建工程学院 | Solar heat absorber adopting double-layer optical window structure |
| CN110120781A (en) * | 2019-04-01 | 2019-08-13 | 北京兆阳能源技术有限公司 | A kind of photovoltaic and photothermal integral device |
| CN113467063A (en) * | 2021-07-04 | 2021-10-01 | 华北电力大学 | Integrated liquid filling spectral filtering condenser, system and light energy regulation and control method thereof |
| CN113467063B (en) * | 2021-07-04 | 2023-10-31 | 华北电力大学 | Integrated liquid filling spectrum filtering condenser, system and optical energy regulating and controlling method thereof |
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