CN101594072A - Device of solar generating - Google Patents
Device of solar generating Download PDFInfo
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- CN101594072A CN101594072A CNA2008103017668A CN200810301766A CN101594072A CN 101594072 A CN101594072 A CN 101594072A CN A2008103017668 A CNA2008103017668 A CN A2008103017668A CN 200810301766 A CN200810301766 A CN 200810301766A CN 101594072 A CN101594072 A CN 101594072A
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- material layer
- heat
- metal material
- piezoelectric
- heat carrier
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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
- Y02E10/44—Heat exchange systems
Abstract
A kind of device of solar generating, it comprises: a shell, this shell comprises: a loam cake, a plurality of sidewall and a lower cover, this loam cake are a solar heat-collection plate, and this sidewall is a heat insulator, and this lower cover is a heat dissipation element; One piezoelectric material layer is fixed in inside surface of side wall; One metal material layer is plated on the surface of piezoelectric material layer; One heat carrier, be positioned at loam cake under, the side of this heat carrier contacts with metal material layer; One piezoelectric thin film layer is plated on the contacted surface of heat carrier and metal material layer, and forms interference fit with metal material layer behind expanded by heating; One actuator is connected between heat carrier and the lower cover, and this actuator can be according to suffered variations in temperature, and the piezoelectric thin film layer on the drive heat carrier and the metal material layer mutual extrusion of piezoelectric laminar surface produce electric energy by piezoelectric effect.The present invention has realized the greenization of the energy by the sunlight heat is converted into electric energy, has not only saved resource, also helps environmental protection.
Description
Technical field
The present invention relates to a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT), particularly a kind of device of solar generating.
Background technology
Along with the continuous development of science and technology, various electric equipments are also more and more, and people are also increasing to the demand of electric energy.Yet in the prior art, generating equipment mainly is divided into thermal power generation, hydroelectric power generation and wind power generation (seeing also " bright prospects of solar energy ", Li Shensheng, " Acta Physica Sinica ", 1999 the 5th phases, 4547 pages).Thermal power generation consumes a large amount of coal resources or oily vapour resource, and is not only with high costs, and can make the natural environment of human survival be subjected to heavy damage, in the process that consumes these energy, can produce greatly atmosphere again and pollute simultaneously.Hydroelectric power generation is subjected to the strict restriction of geographical conditions, and follows the reality of shortage of water resources, and hydroelectric prospect is also also pessimistic.And wind power generation is subjected to the restriction of weather conditions, and to wind speed require highly, also be not suitable for greatly developing.Though the solar cell that uses can effectively address the above problem at present, the material of solar cell not only high the going back quite of cost lacks, and the efficient of opto-electronic conversion is not good, therefore can't realize the effective utilization to solar energy.
Summary of the invention
In view of this, be necessary to provide a kind of not only environmental protection but also the convenient device of solar generating that uses.
A kind of device of solar generating, it comprises: a shell, a piezoelectric material layer, a metal material layer, a heat carrier, a piezoelectric thin film layer and an actuator.Described shell, it comprises: a loam cake, a plurality of sidewall and a lower cover, described loam cake are a solar heat-collection plate, and described sidewall is a heat insulator, and described lower cover is a heat dissipation element.Described piezoelectric material layer is fixed in inside surface of side wall.Described metal material layer is plated on the surface of piezoelectric material layer.Described heat carrier, be positioned at loam cake under, be used to conduct the sunlight heat that loam cake is collected, the side of this heat carrier contacts with metal material layer.Described piezoelectric thin film layer is plated on the contacted surface of heat carrier and metal material layer, and is forming interference fit behind the expanded by heating and between the metal material layer.Described actuator is connected between heat carrier and the lower cover, and this actuator can be according to suffered variation of temperature, drives the piezoelectric thin film layer and the metal material layer mutual extrusion of piezoelectric laminar surface that are arranged on the heat carrier, by piezoelectric effect generation electric energy.
Compared to prior art, described device of solar generating can be converted into electric energy with the heat of the sunlight collected, and is not subject to the influence of position and weather condition, has improved the convenience of using, and can not produce any pollution.With respect to solar cell, can significantly reduce cost of manufacture, and conversion efficiency can promote effectively.
Description of drawings
Fig. 1 is the operating state generalized section of embodiment of the present invention device of solar generating;
Fig. 2 is the initial condition generalized section of embodiment of the present invention device of solar generating;
Fig. 3 is the reset mode generalized section of embodiment of the present invention device of solar generating.
Embodiment
Below with reference to the drawings, the present invention is described in further detail.
See also Fig. 1, embodiment of the present invention device of solar generating 100 comprises a shell 10, a piezoelectric material layer 20, a metal material layer 30, a heat carrier 40, a piezoelectric thin film layer 50 and an actuator 60.
Described shell 10 comprises the lower cover 103 that sidewall that a loam cake that is made of solar heat-collection plate 101, is made up of heat insulator 102, is made up of heat dissipation element.Described loam cake 101 is positioned at the top of device of solar generating 100, and it is formed for vacuum heat collection pipe, can effectively absorb the thermal radiation that sunlight produces, and has the anti-empty characteristics of shining, being difficult for booster.Described sidewall 102 is positioned at the side of device of solar generating 100, and it is a ceramic fibre material, can effectively reduce heat radiation and go out, and have low heat conduction, resistant to elevated temperatures character.Described lower cover 103 is positioned at the bottom of device of solar generating 100, and it is a heat pipe, can be rapidly the heat of the element that is in contact with it be conducted.
Described piezoelectric material layer 20 is fixed in the inner surface of sidewall 102, and it is a nano zine oxide.Described metal material layer 30 is formed at piezoelectric material layer 20 and is close on the inner surface at device of solar generating 100 centers, and metal material layer 30 adopts precious metal materials such as gold, silver, platinum to form.This piezoelectric material layer 20 forms a Schottky contacts with the interface of metal material layer 30, uses so that the electronic energy in the piezoelectric material layer 20 accumulates in the surface of metal material layer 30.So-called Schottky contacts is meant when metal and semi-conducting material are contacted, at semi-conductive at the interface band curvature, forms Schottky barrier.
Described heat carrier 40 be positioned at loam cake under, in order to the solar heat that conduction loam cake 101 is collected, its side contacts with metal material layer 30.This heat carrier 40 also can move up and down in the space that shell 10 constitutes.This heat carrier 40 comprise one with the upper surface facing surfaces 401 of lower cover 103, a projection 402 that certainly should surface 401 vertically extends and one and metal material layer 30 contacted sides 403, described protruding 402 are used for device of solar generating when work, inconsistent with lower cover 103, heat unnecessary on the heat carrier 40 is conducted.Described heat carrier 40 is the metal heat-conducting material, and its heat that can effectively loam cake 101 be collected conducts to other elements, and heat carrier 40 can produce certain expansion under heating condition.
Described piezoelectric thin film layer 50 is formed at heat carrier 40 and metal material layer 30 contacted surfaces, behind expanded by heating, form interference fit between this piezoelectric thin film layer 50 and the metal material layer 30, and when actuator 60 motions, actuator 60 can drive piezoelectric thin film layer 50 and metal material layer 30 relative motions.Described piezoelectric thin film layer 50 is piezoelectrics such as nano zine oxide, lead zirconate titanate.
Described actuator 60 is fixed between the upper surface and heat carrier 40 surfaces 401 of lower cover 103, and it is made up of flexible member 602 and memorial alloy body 601.When loam cake 101 did not receive illumination, the length of flexible member 602 was less than its natural length, promptly be in compressive state and its generation to the pressure of elastic force greater than 40 pairs of flexible members 602 of heat carrier, make the upper surface of heat carrier 40 contact at loam cake 101; And the length of memorial alloy body 601 promptly is in extended state greater than its initial length.When memorial alloy body 601 reaches its deformation temperature, will be contracted to initial length.
See also Fig. 2 and Fig. 3, during work, initially do not receiving under the illumination state, because the elastic force that flexible member 602 makes progress then makes the upper surface of heat carrier 40 contact at loam cake 101 greater than the pressure of 40 pairs of flexible members 602 of heat carrier.And this moment, the length of memorial alloy body 601 is greater than its initial length, and is in extended state.When loam cake 101 receives solar light irradiation, produce certain heat, heat carrier 40 expanded by heating, and heat conducted to memorial alloy body 601, when memorial alloy body 601 suffered temperature surpass its deformation temperature, memorial alloy body 601 then produces a downward pulling force owing to will return to its initial length.When elastic force that makes progress greater than flexible member 602 when the downward pressure of heat carrier 40 and memorial alloy body 601 downward pulling force and the frictional force between piezoelectric thin film layer 50 and the metal material layer 30, heat carrier 40 moves downward, and the projection 402 on heat carrier 40 contacts with lower cover 103.At this moment, because the heat-sinking capability that lower cover 103 is stronger for heat pipe has, temperature on heat carrier 40 and the memorial alloy body 601 can descend in the short period of time, heat carrier 40 shrinks, at this moment, be formed at and be non-interference fit state between piezoelectric thin film layer 50 on the heat carrier 40 and the metal material layer 30, when the temperature on the memorial alloy body 601 during less than its deformation temperature, memorial alloy body 601 does not lose downward pulling force because do not need to return to its initial length.And this moment, because the elastic force that heat carrier 40 downward pressure make progress less than flexible member 602, heat carrier 40 moves upward, until the lower surface against loam cake 101.When the temperature on the memorial alloy body 601 reaches its deformation temperature once more, repeat above-mentioned action.Because heat carrier 40 constantly moves up and down and expands with heat and contract with cold, and piezoelectric thin film layer 50 is interference fit behind expanded by heating with metal material layer 30, be formed at the metal material layer 30 on piezoelectric material layer 20 surfaces and be formed at horizontal extruding between the piezoelectric thin film layer 50 on heat carrier 40 surfaces, make piezoelectric material layer 20 and piezoelectric thin film layer 50 produce certain deformation, because piezoelectric effect produces an electric field; Under effect of electric field, the electric charge that is positioned at the Schottky surface is derived, and forms electric current.And can be by a plurality of device of solar generating 100 series connection be used, the heat that lower cover 103 is conducted offers next device of solar generating 100 uses, and the heat that sunlight is produced can effectively utilize.By being connected a lead 301 and 501 at metal material layer 30 with piezoelectric thin film layer 50 surfaces respectively, the electric charge on metal material layer 30 surfaces moving under effect of electric field, in lead 301 and 501, form electric current, can be connected a power storage devices or load with 501 the other end at lead 301.
Device of solar generating of the present invention can will be able to be converted into electric energy with the heat of the sunlight collected, and is not subject to the influence of position and weather condition, has improved the convenience of using, and can not produce any pollution.With respect to solar cell, can significantly reduce cost of manufacture, and conversion efficiency can promote effectively.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (7)
1. a device of solar generating is characterized in that, this device of solar generating comprises: a shell, a piezoelectric material layer, a metal material layer, a heat carrier, a piezoelectric thin film layer and an actuator;
Described shell, it comprises: a loam cake, a plurality of sidewall and a lower cover, described loam cake are a solar heat-collection plate, and described sidewall is a heat insulator, and described lower cover is a heat dissipation element;
Described piezoelectric material layer is fixed in inside surface of side wall;
Described metal material layer is plated on the surface of piezoelectric material layer;
Described heat carrier, be positioned at loam cake under, be used to conduct the sunlight heat that loam cake is collected, the side of this heat carrier contacts with metal material layer;
Described piezoelectric thin film layer is plated on the contacted surface of heat carrier and metal material layer, and is forming interference fit behind the expanded by heating and between the metal material layer;
Described actuator is connected between heat carrier and the lower cover, and this actuator can be according to suffered variation of temperature, drives the piezoelectric thin film layer and the metal material layer mutual extrusion of piezoelectric laminar surface that are arranged on the heat carrier, by piezoelectric effect generation electric energy.
2. device of solar generating as claimed in claim 1 is characterized in that: described lower cover is a heat pipe.
3. device of solar generating as claimed in claim 1 is characterized in that: described piezoelectric material layer is a nano zine oxide.
4. device of solar generating as claimed in claim 1 is characterized in that: the metal that described metal material layer is used and piezoelectric material layer form Schottky contacts, and described metal material is a kind of in gold, silver, the platinum.
5. device of solar generating as claimed in claim 1 is characterized in that: described heat carrier is provided with at least one projection in its one side relative with lower cover.
6. device of solar generating as claimed in claim 1 is characterized in that: described piezoelectric thin film layer is piezoelectrics such as nano zine oxide, lead zirconate titanate.
7. device of solar generating as claimed in claim 1 is characterized in that: described actuator comprises a flexible member and a memorial alloy body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810301766.8A CN101594072B (en) | 2008-05-26 | 2008-05-26 | Device of solar generating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810301766.8A CN101594072B (en) | 2008-05-26 | 2008-05-26 | Device of solar generating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101594072A true CN101594072A (en) | 2009-12-02 |
| CN101594072B CN101594072B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810301766.8A Expired - Fee Related CN101594072B (en) | 2008-05-26 | 2008-05-26 | Device of solar generating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681906A (en) * | 2012-09-25 | 2014-03-26 | 中国科学院理化技术研究所 | Composite film wind-solar cell and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126689A (en) * | 1983-01-10 | 1984-07-21 | Toshio Sugita | High voltage generating device by solar heat engine and piezoelectric element |
| CN1610209A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rail vehicle vibrating energy piezoelectric power generating method and system thereof |
| US20060076459A1 (en) * | 2004-10-13 | 2006-04-13 | Dailey Dean R | Isolating positioning boom for instrument platform |
| JP2007097278A (en) * | 2005-09-28 | 2007-04-12 | Kohei Hayamizu | Power information providing terminal device being mobile generating set, and power feed information providing service system |
| KR20080013569A (en) * | 2006-08-09 | 2008-02-13 | (주) 나노팩 | Tree-type wind power generator using piezoelectric materials with solar cell attached on one side of each power generating element |
-
2008
- 2008-05-26 CN CN200810301766.8A patent/CN101594072B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126689A (en) * | 1983-01-10 | 1984-07-21 | Toshio Sugita | High voltage generating device by solar heat engine and piezoelectric element |
| US20060076459A1 (en) * | 2004-10-13 | 2006-04-13 | Dailey Dean R | Isolating positioning boom for instrument platform |
| CN1610209A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rail vehicle vibrating energy piezoelectric power generating method and system thereof |
| JP2007097278A (en) * | 2005-09-28 | 2007-04-12 | Kohei Hayamizu | Power information providing terminal device being mobile generating set, and power feed information providing service system |
| KR20080013569A (en) * | 2006-08-09 | 2008-02-13 | (주) 나노팩 | Tree-type wind power generator using piezoelectric materials with solar cell attached on one side of each power generating element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681906A (en) * | 2012-09-25 | 2014-03-26 | 中国科学院理化技术研究所 | Composite film wind-solar cell and manufacturing method thereof |
| CN103681906B (en) * | 2012-09-25 | 2016-03-02 | 中国科学院理化技术研究所 | Composite film wind-solar cell |
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| CN101594072B (en) | 2015-12-16 |
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