CN204349837U - A kind of Fresnel optically focused temperature difference electricity generation device - Google Patents

A kind of Fresnel optically focused temperature difference electricity generation device Download PDF

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Publication number
CN204349837U
CN204349837U CN201520050353.2U CN201520050353U CN204349837U CN 204349837 U CN204349837 U CN 204349837U CN 201520050353 U CN201520050353 U CN 201520050353U CN 204349837 U CN204349837 U CN 204349837U
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China
Prior art keywords
generating sheet
heat
differential generating
temperature differential
fresnel
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Expired - Fee Related
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CN201520050353.2U
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Chinese (zh)
Inventor
季旭
谭礼军
赵永彦
李明
刘佳星
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Yunnan Normal University
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Yunnan Normal University
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Priority to CN201520050353.2U priority Critical patent/CN204349837U/en
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Publication of CN204349837U publication Critical patent/CN204349837U/en
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Abstract

The utility model discloses a kind of Fresnel optically focused temperature difference electricity generation device, comprise Fresnel condenser, semiconductor temperature differential generating sheet, heat absorbing coating, radiator, crust of the device, heat-insulating heat-preserving material, sunlight converges at the semiconductor temperature differential generating sheet upper surface being arranged on its focal spot place by Fresnel condenser, semiconductor temperature differential generating sheet lower surface is installed with radiator, and Fresnel condenser, semiconductor temperature differential generating sheet are fixedly mounted on crust of the device.Described semiconductor temperature differential generating sheet upper surface is coated with heat absorbing coating.Heat-insulating heat-preserving material is filled with in described crust of the device.The utility model adopts the spot mode of Fresnel condenser effectively to improve prefocus stream, the heat absorbing coating that semiconductor temperature differential generating sheet surface is coated with increases its hot junction heat absorption capacity, both improve semiconductor temperature differential generating sheet hot-side temperature, and structure is simple, cost is low, be convenient to installation and application, is applicable to low power electric appliance etc.

Description

A kind of Fresnel optically focused temperature difference electricity generation device
Technical field
The utility model relates to a kind of Fresnel optically focused temperature difference electricity generation device, belongs to solar energy heat utilization field.
Background technology
Solar energy is a kind of reproducible clean energy resource, has generality, utilizes the mode of solar power generation to mainly contain photovoltaic generation and concentration photo-thermal generating at present.Semiconductor temperature differential generating is mainly through at the formation hot junction, semiconductor temperature differential generating sheet two ends utilizing Sai Beier effect principle to make and cold junction, and cause the temperature difference to produce electromotive force generating, the larger energy output of the temperature difference is more.Optically focused can make the sunlight disperseed be gathered together, and forms the zonule that a temperature is higher.
Photovoltaic generation, due to the impact of photovoltaic cell, has the defects such as system effectiveness is low, cost is high, and installation is complicated, land area is large.Concentration photo-thermal generating needs the concentrator of larger area, so that installs complicated, and land area is wide, high in cost of production defect.Semiconductor temperature differential generating hot-side temperature source is not high, and cause the temperature difference relatively little, energy output is less; Or take to be arranged on the heat collector with heat reservoir, so that system complex, cost improves.
Summary of the invention
The required technical problem solved of the utility model is the defect existed for prior art, proposes a kind ofly have high power concentrator, structure is simple, cost is low, is convenient to install and the Fresnel optically focused temperature difference electricity generation device of application.
The utility model solves the technical scheme that its technical problem adopts:
A kind of Fresnel optically focused temperature difference electricity generation device, comprise Fresnel condenser, semiconductor temperature differential generating sheet, heat absorbing coating, radiator, crust of the device, heat-insulating heat-preserving material, sunlight converges at the semiconductor temperature differential generating sheet upper surface being arranged on its focal spot place by Fresnel condenser, semiconductor temperature differential generating sheet lower surface is installed with radiator, and Fresnel condenser, semiconductor temperature differential generating sheet are fixedly mounted on crust of the device.
Described semiconductor temperature differential generating sheet upper surface is coated with heat absorbing coating.
Described heat absorbing coating is black cobalt coating or alumilite process coating.
Heat-insulating heat-preserving material is filled with in described crust of the device.
Described radiator is heat pipe or the laminated structure of serpentine configuration.
Be fixed with Fresnel condenser above described crust of the device, below is fixed in the middle of semiconductor temperature differential generating sheet, is separated in its hot junction and cold junction.
Sunlight converges at its optically focused focal spot place by Fresnel condenser, its temperature is increased by the energy-flux density increasing semiconductor temperature differential generating sheet upper surface, and upper end is hot junction, cold junction is the lower end being provided with radiator, heat-insulating heat-preserving material is filled in for preventing the heat of crust of the device inside from passing to crust of the device outside thus loses heat in crust of the device, increase semiconductor temperature differential generating sheet hot-side temperature.Be fixed with Fresnel condenser above crust of the device, below is fixed in the middle of semiconductor temperature differential generating sheet, and separated in its hot junction and cold junction, hot junction is positioned at crust of the device inside, reduces the loss of hot-side temperature; Cold junction is positioned at crust of the device outside, and reduces cold junction temperature by radiator.
The beneficial effects of the utility model are: propose a kind of Fresnel optically focused temperature difference electricity generation device, the spot mode of Fresnel condenser is adopted effectively to improve prefocus stream, the heat absorbing coating that semiconductor temperature differential generating sheet surface is coated with increases its hot junction heat absorption capacity, and both improve semiconductor temperature differential generating sheet hot-side temperature; Be fixed in the middle of semiconductor temperature differential generating sheet below crust of the device, its hot junction and cold junction separated, effectively can increase hot-side temperature, reduce cold junction temperature, and structure is simple, cost is low, be convenient to installation and application, is applicable to low power electric appliance etc.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of Fresnel optically focused temperature difference electricity generation device.
Fig. 2 is the heat-pipe radiator of serpentine configuration.
1. Fresnel condensers, 2. semiconductor temperature differential generating sheet in figure, 3. heat absorbing coating 4. radiator, 5. crust of the device, 6. heat-insulating heat-preserving material, 7. sunlight.
Embodiment
As shown in Figure 1, a kind of Fresnel optically focused temperature difference electricity generation device, comprise Fresnel condenser (1), semiconductor temperature differential generating sheet (2), heat absorbing coating (3), radiator (4), crust of the device (5), heat-insulating heat-preserving material (6), sunlight converges at by Fresnel condenser (1) semiconductor temperature differential generating sheet (2) upper surface being arranged on its focal spot place, semiconductor temperature differential generating sheet (2) lower surface is installed with radiator (4), and Fresnel condenser (1), semiconductor temperature differential generating sheet (2) are fixedly mounted on crust of the device (5).
Described semiconductor temperature differential generating sheet (2) upper surface is coated with heat absorbing coating (3).
Described heat absorbing coating (3) is black cobalt coating or alumilite process coating.
Heat-insulating heat-preserving material (6) is filled with in described crust of the device (5).
The heat pipe that described radiator (4) is serpentine configuration or laminated structure.
Described crust of the device (5) top is fixed with Fresnel condenser (1), and below is fixed in the middle of semiconductor temperature differential generating sheet (1), is separated in its hot junction and cold junction.
Sunlight (7) converges at its optically focused focal spot place by Fresnel condenser (1), its temperature is increased by the energy-flux density increasing semiconductor temperature differential generating sheet (2) upper surface, and upper end is hot junction, cold junction is the lower end being provided with radiator (4), heat-insulating heat-preserving material (6) is filled in for preventing the inner heat of crust of the device (5) from passing to crust of the device (5) outside thus loses heat in crust of the device (5), increase semiconductor temperature differential generating sheet (2) hot-side temperature.Crust of the device (5) top is fixed with Fresnel condenser (1), and below is fixed in the middle of semiconductor temperature differential generating sheet (2), and separated in its hot junction and cold junction, it is inner that hot junction is positioned at crust of the device (5), reduces the loss of hot-side temperature; It is outside that cold junction is positioned at crust of the device (5), and reduce cold junction temperature by radiator (4).

Claims (6)

1. a Fresnel optically focused temperature difference electricity generation device, it is characterized in that: comprise Fresnel condenser (1), semiconductor temperature differential generating sheet (2), heat absorbing coating (3), radiator (4), crust of the device (5), heat-insulating heat-preserving material (6), sunlight converges at by Fresnel condenser (1) semiconductor temperature differential generating sheet (2) upper surface being arranged on its focal spot place, semiconductor temperature differential generating sheet (2) lower surface is installed with radiator (4), and Fresnel condenser (1), semiconductor temperature differential generating sheet (2) are fixedly mounted on crust of the device (5).
2. a kind of Fresnel optically focused temperature difference electricity generation device according to claim 1, is characterized in that: described semiconductor temperature differential generating sheet (2) upper surface is coated with heat absorbing coating (3).
3. a kind of Fresnel optically focused temperature difference electricity generation device according to claim 1 and 2, is characterized in that: described heat absorbing coating (3) is black cobalt coating or alumilite process coating.
4. a kind of Fresnel optically focused temperature difference electricity generation device according to claim 1, is characterized in that: be filled with heat-insulating heat-preserving material (6) in described crust of the device (5).
5. a kind of Fresnel optically focused temperature difference electricity generation device according to claim 1, is characterized in that: the heat pipe that described radiator (4) is serpentine configuration or laminated structure.
6. a kind of Fresnel optically focused temperature difference electricity generation device according to claim 1, is characterized in that: described crust of the device (5) top is fixed with Fresnel condenser (1), and below is fixed in the middle of semiconductor temperature differential generating sheet (2), is separated in its hot junction and cold junction.
CN201520050353.2U 2015-01-26 2015-01-26 A kind of Fresnel optically focused temperature difference electricity generation device Expired - Fee Related CN204349837U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520050353.2U CN204349837U (en) 2015-01-26 2015-01-26 A kind of Fresnel optically focused temperature difference electricity generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520050353.2U CN204349837U (en) 2015-01-26 2015-01-26 A kind of Fresnel optically focused temperature difference electricity generation device

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CN204349837U true CN204349837U (en) 2015-05-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105529955A (en) * 2015-01-26 2016-04-27 云南师范大学 Fresnel condensing thermoelectric power generation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105529955A (en) * 2015-01-26 2016-04-27 云南师范大学 Fresnel condensing thermoelectric power generation device

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Granted publication date: 20150520

Termination date: 20160126

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