CN101900422A - Flat-panel black body solar photothermal converter - Google Patents
Flat-panel black body solar photothermal converter Download PDFInfo
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- CN101900422A CN101900422A CN2009103027359A CN200910302735A CN101900422A CN 101900422 A CN101900422 A CN 101900422A CN 2009103027359 A CN2009103027359 A CN 2009103027359A CN 200910302735 A CN200910302735 A CN 200910302735A CN 101900422 A CN101900422 A CN 101900422A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention aims to provide a black body solar photothermal converting device. The solar converting device is set as the black body structure, namely the solar converting device is set as a cylinder, with a linear opening, in a cavity. The opening part is a long trough. A solar photothermal conversion coating is arranged on the surface of the inner shell of the black body. The sunlight shines into the black body via the opening part to realize conversion and utilization of the solar energy, thus realizing absorbing and converting the sunlight to the greatest extent after the sunlight shines into the cavity via the opening part, reducing the reflection loss, refraction loss, transmission loss and the like of the existing other structures and improving the conversion efficiency. Quartz materials, plastics, metals, glass and other different materials are sampled to manufacture the black body and more types of the materials for the vacuum glass tube technology adopted by existing low-temperature solar photothermal conversion can be selected, thus lowering the cost and improving the efficiency. Solar mirrors in different settings are sampled to reflect, refract and project the sunlight to emit the sunlight into the black body, thus realizing acquisition of solar energy under different temperature. The converter is especially suitable for acquisition and utilization of solar energy under medium-high temperature and further suitable for trough-type, tower-type and butterfly-type acquisition and utilization of solar energy.
Description
Technical field
The present invention relates to the heat utilization of solar energy, is the device of heat energy with conversion of solar energy, relate to utilize the black matrix device with solar energy heat, the utilization of the middle high-temperature of application, particularly solar energy such as hot water, culinary art, generating, refrigeration, drying.
Background technology
The application technology of solar energy maturation is the low-temperature water heating utilization of solar energy, main employing vacuum glass Manifold technology is a heat energy with conversion of solar energy, technical at this kind, there is employing that heat pipe is inserted into glass tube with vacuum inside heat is delivered to the outside technology that obtains solar energy, and on the vacuum glass basis, further improve and the various devices of exploitation, wherein being provided with vacuum layer in the glass tube with vacuum is incubated, in the inside of vacuum layer selective coating is set solar energy is absorbed conversion, though the vacuum glass layer has well been realized insulation, selective coating has well been realized sun transformation of energy, but, heat energy utilization after it transforms gets up very uneconomical, as adopt existing method that water is fed directly to glass tube with vacuum inside and directly carry out heat exchange, but to winter just can't use, realized heat transfer in the winter time though adopt hot pipe technique, but increased cost, reduced the utilization rate of heat energy, present this technology is applied to the hot water of low temperature and uses, and can't realize the application of the middle high temperature of solar energy, as the application of solar generator;
The existing solar cooker that the middle high-temperature of solar energy is utilized, the main reflecting plate that adopts reflects sunshine, solar energy is directly focused on the kitchen range, realization is to the utilization of solar energy, this kind technology has well reached the middle high temperature of solar energy and has collected, but its heat energy accepting method is single, only is to adopt directly to place simple kitchen range in the above, and can't gathers on a large scale and utilize; Simultaneously also can't realize solar energy is collected so that night and overcast and rainy application;
The generation technology of high temperature in the existing technology solar energy mainly is to adopt tower, slot type, and butterfly, and groove type solar is business-like solar energy photothermal converter spare, outside main the employing is not glass tube, inside is the stainless steel metal pipe, and inside vacuumizes, and realizes the collection of solar energy; But this kind absorber price height has only the enterprise of minority can grasp its production technology; The main difficult technical of butterfly solar energy and tower type solar application simultaneously also is photo-thermal conversion solar energy switching device, tower type solar particularly, need carry out work in the interval of 600-1500 degree mainly due to photothermal converter, because stable work when metal device that high temperature adopted can't be grown, thereby tower solar power station just can't be long-term carry out work, thereby need the solar energy photothermal converter spare of high temperature be improved.
The optical property of quartz glass has its distinctive feature, and it both can see through ultraviolet spectra, is the superiors of all saturating UV materials, can see through visible light and near infrared spectrum again.The user can be as required, and I preserve ≡ sleever armpit part pestle and divide frame S to send to tease 2.A to clamor thoroughly to hold together to disturb rice weevil and drag stool from 185-3500m an ancient measure ǘ fear section Zan.Appoint the boundless and indistinct nettle of ㄐ institute (8) of discussing to lift up beer 14. swords and bathe that (7) ㄩ waterside is sincere to be sent the wilful shelf PA φ of guanidine words to strike the fortune of bursting to steal a humiliation bangs handleless cup sledge and reflect that " side of a ship deer ぷ sacrum smile is slack, and clamor dying young the feed valgar tomb of copying of the low car scheme of ǘ skirt shelf of discussing is preserved P and herded rare J2.Ay Na and disturb rice weevil and drag stool..5? 0
-7/ ℃, have only the 1/12-1/20 of simple glass.The ministerial standard regulation is thrown in the cold water with after the calcination to 1200 of sample ℃ rapidly, do not allow more than three times repeatedly to burst, quartz glass adds the material that also can make the zero thermal expansion coefficient behind an amount of titanium elements, because numerous advantage of quartz member, quartz member is applied to the solar energy utilization, the particularly solar energy thermal transition of middle high temperature will be the feasible technical method that high temperature solar is gathered in solving.
Any object all has continuous radiation, absorption, the electromagnetic ability of emission.The electromagnetic wave that radiate is different at each wave band, just has certain spectrum and distributes.This spectrum distributes relevant with the characteristic and the temperature thereof of object itself, thereby is referred to as heat radiation.In order to study the heat radiation rule that does not rely on the concrete rerum natura of material, physicists have defined a kind of desirable object and have grabbed black matrix (black body), with this standard object as heat radiation research.So-called black matrix is meant that incident electromagnetic wave all is absorbed, and both not reflections do not have transmission (black matrix still will to external radiation) certainly yet.Perhaps, the black hole is exactly desirable black matrix. Kirchhoff's law of radiation (Kirchhoff), and irrelevant, only relevant at the energy of the object institute radiation of thermal equilibrium state with wavelength and temperature with the ratio and the rerum natura of object own of the energy of absorption.Absolute black body: have only absorption, not reflection.The opening of this cavity only has the cavity of an osculum,, can absorb fully, so can be used as absolute black body for the light of injecting wherein.
In conjunction with the characteristic of quartz and black matrix, can design the more high efficiency solar energy conversion device that makes new advances.
Summary of the invention
Purpose of the present invention just provides a kind of solar energy photothermal converter spare of black matrix, solar energy conversion device is set to the black matrix structure, promptly be set to have the cylinder of the cavity of a linear opening, opening is an elongated slot, the solar energy optical-thermal conversion coating is arranged on the inner shell surface of black matrix, sunshine enters in the black matrix by the opening irradiation, realizes the Conversion and Utilization of solar energy.Can realize like this sunshine is injected into by opening and farthest sunshine is absorbed behind the cavity and transform, reduce the losses such as reflection, refraction, transmission of existing other structures, improve conversion efficiency.
Different materials such as sampling quartz material, plastics, metal, glass are made black matrix, and the material that the vacuum glass Manifold technology is adopted in existing low-temperature solar energy photo-thermal conversion can be selected more, and then can reduce cost, and raises the efficiency.
Sampling is provided with different solar energy mirror solar energy is reflected, reflects, throws, solar energy is taken in the black matrix, can realize the solar energy acquisition of different temperatures, the solar energy acquisition and the utilization of high temperature in particularly being suitable for is more suitable in the collection and the utilization of slot type, tower, butterfly solar energy.
Concrete summary of the invention is as follows:
A kind of flat-panel black body solar photothermal converter, it is characterized in that: the black matrix that comprises a closed cavity of a linear opening at least, be provided with the solar energy coating in the inside of black matrix and solar energy can be converted to heat energy, sunshine can be injected on the coating of inside cavity from the opening of black matrix, thereby realizes with conversion of solar energy being heat energy; A plurality of linear black matrix devices are arranged side by side, and are co-located on the flat board, constitute flat-panel black body solar photothermal converter
Can all absorb the radiant energy of various wavelength and do not reflect, the object of refraction and transmission is called absolute black body.Be called for short black matrix, the opaque material of sampling is made narrow meshed cavity, can be similar to and regard black matrix as.
Can adopt Any shape to realize purpose of the present invention, the black matrix device is a cylinder, cylinder is provided with an open slot, be provided with the solar energy conversion coating in column body, cylinder be shaped as cylinder, sphere, cone, polyhedron, or the cross section is parabola, composite parabolic, hyperbolic-parabolic, ellipse, fan-shaped, triangle, turriform, prismatic one or more.And the cylinder, sphere, ellipse, polyhedron, fan-shaped collection and the utilization that is suitable for butterfly and tower type solar that have recessed or protruding hole, can take different shapes according to different sun collections; The cylinder that has recessed or protruding hole is used to increase the utilization ratio of solar energy.
The shape of black matrix is preferably cylinder, sphere, cone, polyhedron, or the cross section is parabola, composite parabolic, hyperbolic-parabolic one or more.It is designed to is beneficial to the structure that light absorbs in black matrix inside, can improve the absorption efficiency of sunshine.
The black matrix material is following a kind of:
A, metal: stainless steel, iron pipe;
B, nonmetal: comprise quartz, glass, plastics;
C, composite comprise metal and nonmetal, metal and metal, nonmetal and nonmetallic multiple tube.
Black matrix is or/and a part of cavity of black matrix is configured to the evaporation ends of heat pipe, or is provided with the evaporation ends of heat pipe in the inside of black matrix cavity, and heat pipe is selected from following at least a:
A, general heat pipe;
B, integral heat pipe;
C, separate type circulating heat pipe;
D, can connect heat pipe;
F, pulse heat pipe;
Circulation self-oscillation heat pipe.
Black matrix is or/and the part of the inside of black matrix is configured to heat-exchanger rig, perhaps the inside of black matrix cavity is provided with heat-exchanger rig, described heat-exchanger rig is for to contain an import (5) or/and the parts of an outlet (6) at least, a kind of fluid enters by import, reaching the outlet back flows out, the heat energy of conversion of solar energy carries out heat exchange in fluid and the parts, and fluid is a kind of in liquid, gas, solidliquid mixture, gas-liquid mixture, the gas-liquid-solid mixture.
Also be provided with coating on the external shell of black matrix, it is selected at least from following a kind of:
A, heat radiation absorber coatings absorb the heat energy of radiation;
B, heat radiation reflecting material enter into black matrix with thermal-radiating heat energy reflection;
C, thermal insulation coatings;
D, corrosion-inhibiting coating;
E, refractory coating.
In order to increase the photo-thermal conversion performance of black matrix, also inside and/or the outer setting at black matrix has rough surface, fin, the conduit that contains a plurality of concave, convex structures.
Outside at black matrix also is provided with insulation material, for selecting following one or more combined material at least:
A, the metal that contains vacuum layer or nonmetallic materials;
B, asbestos, fiber heat preservation material;
C, insulating cement;
D, polyurethane, polyphenyl material, plastics, nylon insulation material;
The solar energy coating is following a kind of:
A solar energy is selected coating;
B solar low-temperature, middle temperature, high temperature coating are converted to solar energy the heat energy of different temperatures.
Any coating that solar energy is converted to heat energy all is suitable for black matrix of the present invention, and the solar energy coating is usually: metal and metal oxide comprise; Silver, copper, alundum (Al; Polymer; Nano material; Comprise zinc-oxide nano.
Be provided with solar energy mirror in black matrix device outside and/or around black matrix opening and/or the opening, sunshine is reflected, focuses on black matrix inlet and/or the black matrix external shell after the transmission, refraction, preferably adopt Fresnel Lenses; Outside for the black matrix device can be provided with reflection or diaphotoscope, realizes focusing on or secondary focusing, promptly at first adopts a kind of solar energy mirror to focus on, and carries out secondary focusing or repeatedly focusing if desired again, up to the composite design requirement; For the solar energy utilization of high temperature, radiation heat transfer will become crucial heat exchange, thereby need to increase the solar energy mirror of antiradiation, realize the antiradiation heat exchange as adopting tinfoil paper at a low price; No matter adopting which kind of mode, as long as sunshine can be carried out focusing on the opening of black matrix after transmission, reflection, the refraction, all is the method that can adopt, and solar energy mirror is selected from following a kind of usually:
A, composite parabolic speculum;
B, Fei Nier mirror (10) comprise or speculum;
C, concave, convex (11) lens;
D, disc type parabolic mirror (12);
E, post, groove (13) shape parabolic mirror;
F, plane mirror;
G, to the material that heat radiation is reflected, comprise tinfoil paper.
Can carry out multiple combining as required and be the black matrix array, can form an array by series, parallel or connection in series-parallel usually, with the non-tracking that is suitable for the 50-1300 degree, slot type, butterfly, tower various application;
Outside at the black matrix device, also be provided with a cavity, at least one black matrix device is arranged in the cavity, the black matrix device constitutes one with cavity can seal the device that is connected, cavity is provided with a solar energy mirror that can make sunshine be injected into inside cavity, and sunshine is injected into the opening of inside cavity black matrix device.
Useful effect:
1, sampling black matrix structure of the present invention is carried out the collection of solar energy, has reduced reflection, refraction, the projection of existing structure, maximized conversion and the utilization that has realized solar energy;
2, the converter of sampling secondary reflection black matrix structure can be realized solar energy acquisition and the utilization followed the tracks of, the solar energy utilization of temperature and high temperature in the realization.
3, special material such as sampling quartz etc. can reduce radiation, improve the efficient of heat exchange device.
Description of drawings
Fig. 1: oval black body solar photothermal converter
Fig. 2: cylinder black body solar photothermal converter
Fig. 3: the built-in lens plate black body solar photothermal converter of cylinder
Fig. 4: external solar energy mirror cylinder black matrix photothermal converter
Fig. 5: external solar energy mirror flat-panel black body photothermal converter
Fig. 6, rectangular flat black matrix photothermal converter
Number in the figure specifies as follows:
1: black matrix device, 2: opening, 3: solar energy coating, 4: heat exchange of heat pipe, 5: fluid inlet, 6: fluid issuing, 7: cavity, 8: solar energy lens, 9: solar energy reflection mirror, 10: insulation material.
The specific embodiment
Embodiment one: oval black body solar photothermal converter
According to shown in Figure 1, the ellipse black matrix (1) that adopts quartz material to form, be provided with the linear groove opening in last side, be provided with the solar energy conversion coating in black matrix inside, sunshine is converted to heat energy, the transition material of coating sampling full frequency band is realized all frequency ranges of solar energy are changed, and comprises that whole frequency ranges in zones such as visible light, black light, infrared, ultraviolet region realize conversion.
For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; For the operating temperature of any needs, can adopt oval black matrix to change like this.
Embodiment two: the built-in lens black body solar photothermal converter of cylinder
According to shown in Figure 2, the cylinder black body solar photothermal converter that adopts glass tube to be made, have the groove of a linearity in its side, portion scribbles solar energy conversion coating (3) within it, can make sunshine be injected into black matrix inside, realize that solar energy is converted to heat energy, in the black matrix internal cavity, be provided with heat pipe, the thermal energy transfer in the black matrix is arrived outside, the evaporation ends of heat pipe is arranged on the inside of black matrix, and the heat pipe condensation end is arranged on the outside of black matrix.
Embodiment three: the built-in lens plate black body solar photothermal converter of cylinder
According to shown in Figure 3, adopt three cylinder black matrixes that quartz ampoule produces, be provided with solar energy optical-thermal conversion coating (3) in the inside of quartz ampoule, Fig. 3 is the side sectional view of the black matrix device of Fig. 2, the plate device that Fig. 3 has three devices to form a whole, on cylinder, offer the groove (2) of a linearity, be provided with Fresnel Lenses (8) or quartz member in its cylindrical inside, they carry out cylindrical groove airtight, simultaneously solar energy is incided black matrix inside, three black matrix devices being arranged in the flat device side by side, the cavity of flat device is packed into polyurethane heat insulation material in (7), realizes the insulation to heat energy.The evaporation ends of heat pipe is arranged on the inside of black matrix, and condensation end is arranged on the outside of black matrix, is provided with solar energy coating (3) at the evaporator section of heat pipe, and the heat exchange device is connected by syndeton with quartz ampoule; Use for the following hot water of low temperature 100 degree, can adopt the low-temperature solar energy coating, connected mode can adopt antivacuum connection; Middle temperature for the 100-400 degree is used, the solar energy coating of temperature in the employing, its inner and outer pipes and connected mode, adopt the connection of vacuum, use for the high temperature that 400 degree are above, adopt the solar energy coating of high temperature, adopt antivacuum airtight, the steam supply of high pressure-temperature be can realize like this, solar electrical energy generation and utilization efficiently realized; For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; For the operating temperature of any needs, can adopt the black matrix photothermal converter to realize the collection and the utilization of solar energy like this.
Embodiment four: external solar energy mirror cylinder black matrix photothermal converter
According to shown in Figure 4, the cylinder black matrix that adopts quartz ampoule to produce, be provided with solar energy optical-thermal conversion coating (3) in the inside of quartz ampoule, opening (2) is a cell body, open slot is provided with solar energy mirror, and solar energy mirror is made up of lens (8) and speculum (9), and lens are arranged on the top over against sunshine incident, the side is a speculum, with the black matrix inside of solar focusing to open slot.
Embodiment five: external solar energy mirror flat-panel black body photothermal converter
According to shown in Figure 4, adopt three cylinder flat-panel black bodies that quartz ampoule produces, Fig. 4 is the side sectional view of Fig. 3, but Fig. 4 is made up of three black matrixes, is provided with solar energy optical-thermal conversion coating (3) in the inside of quartz ampoule, opening (2) is a cell body, open slot is provided with solar energy mirror, and solar energy mirror is made up of lens (8) and speculum (9), and lens are arranged on the top over against sunshine incident, the side is a speculum, with the black matrix inside of solar focusing to open slot.
Black matrix is set at a hexahedron inside, the hexahedral sunshine plane of incidence is provided with Fresnel Lenses, be provided with speculum between lens and the black matrix opening, solar energy scioptics and speculum enter in the black matrix, black matrix is provided with the heat exchanger of fluid, be provided with the inlet pipeline and the outlet conduit of fluid, the heat exchange device is connected by syndeton with quartzy black matrix; Use for the following hot water of low temperature 100 degree, can adopt the low-temperature solar energy coating, connected mode can adopt antivacuum connection, middle temperature for the 100-400 degree is used, the solar energy coating of temperature in the employing, its inner and outer pipes and connected mode adopts the connection of partial vacuum; Use for the high temperature that 400 degree are above, adopt the solar energy coating of high temperature, adopt antivacuum airtightly, can realize the steam supply of high pressure-temperature like this, realize solar electrical energy generation and utilization efficiently; For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; For the operating temperature of any needs, can adopt the hexagon photothermal converter to realize the collection and the utilization of solar energy like this.
Embodiment six, rectangular flat black matrix photothermal converter
According to shown in Figure 6, black matrix is the cylinder of a rectangle, on the one side that its solar irradiation injects, be provided with groove shape opening, the solar energy conversion coating is arranged on rectangular tube inside, the opening of black matrix (2) is arranged on the top, and be provided with Fresnel Lenses (8) thereon, in order to reduce radiation loss, outer surface at the rectangle black matrix is provided with reflecting material (9), adopting the reflection of tinfoil paper realization to radiation, particularly is when realizing the solar energy acquisition of high temperature, need reflect processing especially at radiation heat transfer; The black matrix of three rectangular cylinders is arranged side by side on a flat board, cavity in black matrix and the flat board is provided with insulation material (10), each black matrix device inside is provided with a heat pipe, (1) is provided with solar energy coating (3) on heat pipe, hot pipe device is connected by syndeton with outer quartz ampoule, and the evaporation ends of heat pipe is arranged on the inside of black matrix device, uses for the following hot water of low temperature 100 degree, can adopt the low-temperature solar energy coating, connected mode can adopt antivacuum connection; Middle temperature for the 100-400 degree is used, the solar energy coating of temperature in the employing, its inner and outer pipes and connected mode adopts the connection of vacuum; Use for the high temperature that 400 degree are above, adopt the solar energy coating of high temperature, adopt vacuum tightness, can realize the steam supply of high pressure-temperature like this, realize solar electrical energy generation and utilization efficiently; For the application of low temperature, can adopt the solar energy acquisition of non-tracking, for the application of middle temperature, can adopt the solar energy acquisition of groove type line-focusing, for the application of high temperature, can adopt butterfly or tower solar energy tracking technology; This structure is particularly suitable for the solar energy acquisition of tower and butterfly, more possesses high efficiency and low cost for the solar energy utilization of high temperature; For the operating temperature of any needs, can adopt the black matrix photothermal converter to realize the collection and the utilization of solar energy like this.
Claims (11)
1. flat-panel black body solar photothermal converter, it is characterized in that: the black matrix that comprises a closed cavity of a linear opening at least, be provided with the solar energy coating in the inside of black matrix and solar energy can be converted to heat energy, sunshine can be injected on the coating of inside cavity from the opening of black matrix, thereby realizes with conversion of solar energy being heat energy; A plurality of linear black matrix devices are arranged side by side, and are co-located on the flat board, constitute flat-panel black body solar photothermal converter.
2. flat-panel black body solar photothermal converter according to claim 1, it is characterized in that: the black matrix device is a cylinder, cylinder is provided with an open slot, be provided with the solar energy conversion coating in column body, cylinder be shaped as cylinder, sphere, cone, polyhedron, or the cross section is parabola, composite parabolic, hyperbolic-parabolic, ellipse, fan-shaped, triangle, turriform, prismatic one or more.
3. flat-panel black body solar photothermal converter according to claim 1 is characterized in that: the black matrix material is following a kind of:
A, metal: stainless steel, iron pipe;
B, nonmetal: comprise quartz, glass, plastics;
C, composite comprise metal and nonmetal, metal and metal, nonmetal and nonmetallic multiple tube.
4. flat-panel black body solar photothermal converter according to claim 1 is characterized in that: the solar energy coating is following a kind of:
A, solar energy are selected coating;
B, solar low-temperature, middle temperature, high temperature coating are converted to solar energy the heat energy of different temperatures.
5. flat-panel black body solar photothermal converter according to claim 1, it is characterized in that: black matrix is or/and a part of cavity of black matrix, be configured to the evaporation ends of heat pipe, or be provided with the evaporation ends of heat pipe in the inside of black matrix cavity, heat pipe is selected from following at least a:
A, general heat pipe;
B, integral heat pipe;
C, separate type circulating heat pipe;
D, can connect heat pipe;
F, pulse heat pipe;
G, circulation self-oscillation heat pipe.
6. flat-panel black body solar photothermal converter according to claim 1, it is characterized in that: black matrix is or/and the part of the inside of black matrix is configured to heat-exchanger rig, perhaps the inside of black matrix cavity is provided with heat-exchanger rig, described heat-exchanger rig is for to contain an import (5) or/and the parts of an outlet (6) at least, a kind of fluid enters by import, reaching the outlet back flows out, the heat energy of conversion of solar energy carries out heat exchange in fluid and the parts, and fluid is a kind of in liquid, gas, solidliquid mixture, gas-liquid mixture, the gas-liquid-solid mixture.
7. flat-panel black body solar photothermal converter according to claim 1 is characterized in that: also be provided with coating on the external shell of black matrix, it is selected at least from following a kind of:
A, heat radiation absorber coatings absorb the heat energy of radiation;
B, heat radiation reflecting material enter into black matrix with thermal-radiating heat energy reflection;
C, thermal insulation coatings;
D, corrosion-inhibiting coating;
E, refractory coating.
8. flat-panel black body solar photothermal converter according to claim 1 is characterized in that: in order to increase the photo-thermal conversion performance of black matrix, also inside and/or the outer setting at black matrix has rough surface, fin, the conduit that contains a plurality of concave, convex structures.
9. flat-panel black body solar photothermal converter according to claim 1 is characterized in that: the outside at black matrix also is provided with insulation material, for selecting following one or more combined material at least:
A, the metal that contains vacuum layer or nonmetallic materials;
B, asbestos, fiber heat preservation material;
C, insulating cement;
D, polyurethane, polyphenyl material, plastics, nylon insulation material.
10. flat-panel black body solar photothermal converter according to claim 1, it is characterized in that: in the outside of black matrix device, also be provided with a cavity, at least one black matrix device is arranged in the cavity, the black matrix device constitutes one with cavity can seal the device that is connected, cavity is provided with a solar energy mirror that can make sunshine be injected into inside cavity, and sunshine is injected into the opening of inside cavity black matrix device.
11. flat-panel black body solar photothermal converter according to claim 1, it is characterized in that: be provided with solar energy mirror in black matrix device outside and/or around black matrix opening and/or the opening, sunshine is reflected, focuses on black matrix inlet and/or the black matrix external shell after the transmission, refraction, and solar energy mirror is selected from following a kind of:
A, metal, nonmetal parabola, meet parabolic mirror;
B, Fresnel mirror comprise lens or speculum;
C, concave, convex lens;
D, disc type parabolic mirror;
E, post, groove shape parabolic mirror;
F, plane mirror;
G, to the material that heat radiation is reflected, comprise tinfoil paper.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393442A (en) * | 2020-12-11 | 2021-02-23 | 成都大学 | Black body type photothermal converter |
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| CN112393442A (en) * | 2020-12-11 | 2021-02-23 | 成都大学 | Black body type photothermal converter |
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