CN203951387U - Blackbody chamber for solar energy thermo-electric generation system - Google Patents
Blackbody chamber for solar energy thermo-electric generation system Download PDFInfo
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- CN203951387U CN203951387U CN201320433207.9U CN201320433207U CN203951387U CN 203951387 U CN203951387 U CN 203951387U CN 201320433207 U CN201320433207 U CN 201320433207U CN 203951387 U CN203951387 U CN 203951387U
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- electric generation
- solar energy
- blackbody chamber
- aluminum alloy
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Abstract
The utility model has disclosed a kind of blackbody chamber for solar energy thermo-electric generation system, the aluminum alloy casing with closed, at aluminum alloy casing top, be provided with the window that light is injected, in the inner side relative with window of aluminum alloy casing, be sequentially laid with light absorbing zone, phase-change heat-storage material layer, heat transmitter and thermoelectric chip, and inside the aluminum alloy casing between window and light absorbing zone, all standing is provided with metallic reflector.Apply artificial blackbody chamber of the present utility model, be applicable to single shaft solar tracking system and condenser system and utilize phase-change heat-storage material layer, can efficiently realize the selection of thermoelectric chip to high-temperature in solar energy, thus the system cost of the efficiency of raising thermo-electric generation and power output, prolongation generating dutation, reduction thermo-electric generation.
Description
Technical field
The utility model relates to a kind of using energy source equipment, relates in particular to a kind of solar energy thermo-electric generation technology, for the photo-thermal power conversion of light collecting system.
Background technology
Solar energy is as the focus of regenerative resource application, scientists proposed multiple effectively and reach Application of Solar Energy mode and the integrated application mode of certain efficiency.Many is the solar cell in conjunction with Si semiconductor process exploitation, and the solar power plant, distributed solar energy electricity generation system etc. that build based on this various scales that form.
In fact, separately there is a kind of efficient solar power generation application mode, the system based on thermo-electric generation.Utilize high-energy that solar energy contains to certain objects surface heating, by low-temperature receiver on the other side is set, can form comparatively significantly temperature ladder.Only need the applicable thermoelectric chip of configuration, can realize the thermo-electric generation of certain power requirement.
Yet traditional thermo-electric generation system mostly is unenclosed construction, sunlight heats object by the mode of direct irradiation.But this mode efficiency is underground, body surface is also significantly dispelling the heat in heating, and the lasting change in location due to the sun, object is difficult to be stablized, lasting heating, perhaps to configure more apparatus with the real-time tracking sun, cause the cost of thermo-electric generation system to increase, controlled difficulty increase.
Summary of the invention
In view of the defect that above-mentioned prior art exists, the purpose of this utility model is to propose a kind of blackbody chamber for solar energy thermo-electric generation system, solves the efficient collection of solar energy and the problem of raising thermo-electric generation quality.
Above-mentioned purpose of the present utility model, to be achieved by the following technical programs: for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: described blackbody chamber has the aluminum alloy casing of closed, at described aluminum alloy casing top, be provided with the window that light is injected, in the inner side relative with window of aluminum alloy casing, be sequentially laid with light absorbing zone, phase-change heat-storage material layer, heat transmitter and thermoelectric chip, and inside the aluminum alloy casing between window and light absorbing zone, all standing is provided with metallic reflector.
Further, between the inwall of described aluminum alloy casing and metallic reflector, phase-change heat-storage material layer, thermoelectric chip, be equipped with heat insulation layer, described heat insulation layer is that aluminium foil and nylon alternative arrangement composite bed or aluminium foil and glass fibre replace composite bed.
Further, described window is the narrow slit wire window that is applicable to line condenser system and single shaft solar tracking system.
Further, described window be take glass as matrix, and towards incident light one side, is provided with antireflection layer at glass, in the another side of antireflection layer dorsad, is provided with infrared increasing reflector, and wherein antireflection layer is MgF
2, Al
2o
3, SiO
2, SiO, Si
3n
4, AlN individual layer antireflective film or multilayer antireflective film; Described infrared increasing reflector is ZnO, SnO
2, ITO rete.
Further, described light absorbing zone is the metal oxide of cobalt, nickel, chromium or is at least W-AlN, Mo-Al
2o
3metal composite ceramal, described light absorbing zone is the structure absorbing, light is caught enhancement mode towards the surface of window, and light absorbing zone dorsad window one side be provided with metallic reflective coating.
Further, described phase-change heat-storage material layer is fuse salt or fuse salt composite ceramics.
Further, described heat transmitter is the heat-conducting layer be connected with thermoelectric chip for disconnecting when hot-side temperature reduces, at least comprises and expanding with heat and contract with cold or the thermo-contact switch of mechanical rotation.
The enforcement of the artificial blackbody chamber of the utility model, the outstanding effect that compares to conventional art is: this blackbody chamber is applicable to single shaft solar tracking system and condenser system and utilizes phase-change heat-storage material layer, can efficiently realize the selection of thermoelectric chip to high-temperature in solar energy, thus the system cost of the efficiency of raising thermo-electric generation and power output, prolongation generating dutation, reduction thermo-electric generation.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail embodiment of the present utility model, so that technical solutions of the utility model are easier to understand, grasp.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the utility model blackbody chamber.
Fig. 2 is the schematic appearance of overlooking of the utility model blackbody chamber.
Fig. 3 is the hierarchy schematic diagram of the utility model blackbody chamber window.
Fig. 4 is the hierarchy schematic diagram of the utility model blackbody chamber heat insulation layer.
Fig. 5 is the cross-sectional view of the utility model blackbody chamber light absorbing zone.
Fig. 6 is the cross-sectional view of the utility model blackbody chamber temperature difference heat power generation part.
Embodiment
The utility model proposes a kind of artificial blackbody chamber design that middle high temperature solar thermo-electric generation is used that is applied to.This scheme is also assisted with incident light antireflection coatings, the light-absorbing coating of the transparent infrared reflection coating of solar spectrum and surface-texturing has been realized to the abundant absorption to solar spectrum energy by the sunken light characteristic of artificial blackbody chamber.This programme has also increased heat accumulation module especially, rely on high heat capacity and the thermostatic characteristics of phase-change heat-storage material, can alleviate the hot-side temperature fluctuation that solar irradiation Strength Changes causes, and then improve the stability of solar energy temperature difference generating set power output, and extend the operating time of its best operating point.
As shown in Figures 1 to 6, be the utility model blackbody chamber whole cross-sectional view, overlook the hierarchy schematic diagram of schematic appearance, window, the cross-sectional view of the hierarchy schematic diagram of heat insulation layer, light absorbing zone and the cross-sectional view of temperature difference heat power generation part, as follows from illustrating visible its concrete structure.
In short, this blackbody chamber has the aluminum alloy casing 1 of closed, at aluminum alloy casing 1 top, be provided with the window 2 that light is injected, in the inner side relative with window of aluminum alloy casing, be sequentially laid with light absorbing zone 3, phase-change heat-storage material layer 4, heat transmitter 5 and thermoelectric chip 6, and all standing is provided with metallic reflector 7 inside the aluminum alloy casing of 3 of window 2 and light absorbing zones.
Details from each part: be equipped with relevant heat insulation layer 8 between the inwall of this aluminum alloy casing 1 and metallic reflector 7, phase-change heat-storage material layer 4, thermoelectric chip 6.As shown in Figure 4, this heat insulation layer is for replacing lamination layer structure, and it can be aluminium foil 81 and nylon 82 alternative arrangement composite beds, can be also that aluminium foil and glass fibre replace composite bed.
As shown in Figure 2, these window 2 narrow slit wire windows, are suitable for various line condenser systems and single shaft solar tracking system.With respect to an optically focused and dual-axis tracking system, it is integrated and use that this product is easier to user.As shown in Figure 3, this window be take glass 21 as matrix, and towards incident light one side, is provided with antireflection layer 22 at glass, in the another side of antireflection layer dorsad, is provided with infrared increasing reflector 23, and wherein antireflection layer is MgF
2, Al
2o
3, SiO
2, SiO, Si
3n
4, AlN individual layer antireflective film or multilayer antireflective film; This infrared increasing reflector is ZnO, SnO
2, ITO rete.
As shown in Figure 5, this light absorbing zone 3 can be metal oxide, as black cobalt, black nickel or black chromium etc.; Also can select metal composite ceramal, as W-AlN, Mo-Al
2o
3deng.Light absorbing zone surface forms Surface Texture 31 by chemical etching or plasma etching, strengthens light absorption.The light absorbing zone back side is coated with metallic reflective coating 32, reduces infrared radiation.
This phase-change heat-storage material layer 4 can be selected NaCo
3-BaCO
3the fuse salts such as the fuse salt composite ceramicses such as/MgO or NaCl.This heat transmitter 5 at least comprises and expanding with heat and contract with cold or the thermo-contact switch of mechanical rotation, and its effect is to be reduced to set point when following at hot-side temperature, and phase-change heat-storage material layer and thermoelectric chip disconnect, and reduce the invalid loss of heat.
During use, the window of this blackbody chamber is installed on the focus place of condenser system.Condenser system can be the linear light focusing unit such as fresnel reflecting mirror, Fresnel Lenses and parabola or hyperboloidal mirror.The rear end of blackbody chamber (shady faces of heat accumulation parts) contacts with thermoelectric chip.During work, converge the window that light designs by special optical and enter blackbody chamber, most of light is directly absorbed by light absorbing zone, and fraction light is finally still absorbed by light absorbing zone after multiple reflections in the wall of chamber.The light energy that light absorbing zone absorbs is converted into thermal energy transfer to phase-change heat-storage material layer.Part infrared emanation multiple reflections in wall is finally absorbed by light absorbing zone again.Phase-change heat-storage material is near phase change zone, and in suitable energy input and output area, it is constant that its temperature keeps, and guarantees that thermoelectric chip is all the time near best operating point.
In addition to the implementation, this use is novel according to the difference of application scenarios and demand, can also have other diversified execution mode.
From above-mentioned, the enforcement of the artificial blackbody chamber of the utility model, the outstanding effect that compares to conventional art is: this blackbody chamber is applicable to single shaft solar tracking system and condenser system and utilizes phase-change heat-storage material layer, can use efficiently thermoelectric chip solar energy to be realized to the high-temperature of one end, thus the system cost of the efficiency of raising thermo-electric generation and power output, prolongation generating dutation, reduction thermo-electric generation.
Claims (7)
1. for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: described blackbody chamber has the aluminum alloy casing of closed, at described aluminum alloy casing top, be provided with the window that light is injected, in the inner side relative with window of aluminum alloy casing, be sequentially laid with light absorbing zone, phase-change heat-storage material layer, heat transmitter and thermoelectric chip, and inside the aluminum alloy casing between window and light absorbing zone, all standing is provided with metallic reflector.
2. according to claim 1 for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: between the inwall of described aluminum alloy casing and metallic reflector, phase-change heat-storage material layer, thermoelectric chip, be equipped with heat insulation layer, described heat insulation layer is that aluminium foil and nylon alternative arrangement composite bed or aluminium foil and glass fibre replace composite bed.
3. according to claim 1 for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: described window is the narrow slit wire window that is applicable to line condenser system and single shaft solar tracking system.
4. according to claim 1 for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: described window be take glass as matrix, and towards incident light one side, be provided with antireflection layer at glass, in the another side of antireflection layer dorsad, be provided with infrared increasing reflector, wherein antireflection layer is individual layer antireflective film or multilayer antireflective film.
5. according to claim 1 for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: described light absorbing zone is the texturing structure absorbing, light is caught enhancement mode towards the surface of window, and light absorbing zone dorsad window one side be provided with metallic reflective coating.
6. according to claim 1 for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: described phase-change heat-storage material layer is fuse salt or fuse salt composite ceramics.
7. according to claim 1 for the blackbody chamber of solar energy thermo-electric generation system, it is characterized in that: described heat transmitter is for for the heat-conducting layer that is connected with thermoelectric chip of disconnection when hot-side temperature reduces, at least comprise and expanding with heat and contract with cold or the thermo-contact switch of mechanical rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433207.9U CN203951387U (en) | 2013-07-22 | 2013-07-22 | Blackbody chamber for solar energy thermo-electric generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433207.9U CN203951387U (en) | 2013-07-22 | 2013-07-22 | Blackbody chamber for solar energy thermo-electric generation system |
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| Publication Number | Publication Date |
|---|---|
| CN203951387U true CN203951387U (en) | 2014-11-19 |
Family
ID=51893402
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320433207.9U Expired - Lifetime CN203951387U (en) | 2013-07-22 | 2013-07-22 | Blackbody chamber for solar energy thermo-electric generation system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467540A (en) * | 2014-12-02 | 2015-03-25 | 天津大学 | Thermal energy collection and storage device applied to miniature thermoelectric battery |
| CN105471366A (en) * | 2015-11-20 | 2016-04-06 | 南京理工大学 | Solar and thermoelectric coupling system containing phase change material |
| CN109302099A (en) * | 2018-10-17 | 2019-02-01 | 大连海事大学 | The miniature self energizing device that a kind of solar energy based on bridge MPEG and MTEG and vibrational energy are provided multiple forms of energy to complement each other |
| CN109412462A (en) * | 2018-10-17 | 2019-03-01 | 大连海事大学 | The miniature self energizing device that a kind of solar energy based on MTEG and TENG and wind energy are provided multiple forms of energy to complement each other |
-
2013
- 2013-07-22 CN CN201320433207.9U patent/CN203951387U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467540A (en) * | 2014-12-02 | 2015-03-25 | 天津大学 | Thermal energy collection and storage device applied to miniature thermoelectric battery |
| CN105471366A (en) * | 2015-11-20 | 2016-04-06 | 南京理工大学 | Solar and thermoelectric coupling system containing phase change material |
| CN109302099A (en) * | 2018-10-17 | 2019-02-01 | 大连海事大学 | The miniature self energizing device that a kind of solar energy based on bridge MPEG and MTEG and vibrational energy are provided multiple forms of energy to complement each other |
| CN109412462A (en) * | 2018-10-17 | 2019-03-01 | 大连海事大学 | The miniature self energizing device that a kind of solar energy based on MTEG and TENG and wind energy are provided multiple forms of energy to complement each other |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 3201 Patent on August 8, 2023 Number: 32-01 Volume: 39 |