CN102540310A - Dichroic mirror, sunlight collector and solar energy device - Google Patents
Dichroic mirror, sunlight collector and solar energy device Download PDFInfo
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- CN102540310A CN102540310A CN2010105849312A CN201010584931A CN102540310A CN 102540310 A CN102540310 A CN 102540310A CN 2010105849312 A CN2010105849312 A CN 2010105849312A CN 201010584931 A CN201010584931 A CN 201010584931A CN 102540310 A CN102540310 A CN 102540310A
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- dichroic mirror
- transparent substrates
- dielectric medium
- medium film
- light
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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
- Y02E10/52—PV systems with concentrators
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Abstract
The invention relates to a dichroic mirror, which comprises a first transparent substrate, multiple layers of first dielectric films, a transparent adhesive layer, multiple layers of second dielectric film and a second transparent substrate, wherein the multiple layers of first dielectric films, the transparent adhesive layer, the multiple layers of second dielectric films and the second transparent substrate are sequentially laminated on the first transparent substrate. The section of the dichroic mirror is in the shape of parabola. The dichroic mirror is used for dividing sunlight irradiating to the second transparent substrate into light rays with different wavelength ranges, part of the light rays are reflected by the multiple layers of first dielectric films and then emitted from the second transparent substrate, and the other part of light rays are emitted from the first transparent substrate after permeating the dichroic mirror. The invention further relates to a sunlight collector and a solar energy device, the sunlight collector and the solar energy device both comprise the dichroic mirror and can collect sunlight in a wave band dividing manner, and accordingly can improve utilization rate of sunlight.
Description
Technical field
The present invention relates to technical field of solar, relate in particular to a kind of dichroic mirror, solar collector device and solar energy equipment.
Background technology
Sunshine is that human the collection utilized because of having inexhaustible, nexhaustible advantage day by day, for example uses solar cell power generation.The energy of sunshine mainly concentrates in 380 to 2000 nanometer wavelength range.The sensor of existing solar collector device is failed all sunshines of the aforementioned wave band of sensing, causes a large amount of sunshines to fail to be collected, and solar energy utilization ratio is lower.
Summary of the invention
For improving the sunlight collection rate; Utilize sun power substantially; Be necessary to provide a kind of dichroic mirror, a kind of solar collector device and a kind of solar energy equipment, sunshine spectrum is divided into two different wave bands, come the difference sensing sunshine of this corresponding wave band with it so that two sensors to be set.
This dichroic mirror comprises first transparent substrates and is stacked on the multilayer first dielectric medium film of this first transparent substrates, transparent mucigel, the multilayer second dielectric medium film and second transparent substrates in regular turn.The cross section of this dichroic mirror is parabolic shape.This dichroic mirror is used for the sunlight that exposes to this second transparent substrates is divided into the light of two different wave length scopes; Part light is by this multilayer first dielectric medium film reflection; And this second transparent substrates penetrates certainly, and remainder light passes this dichroic mirror, and this first transparent substrates penetrates certainly.
This solar collector device comprises aforementioned dichroic mirror and reflecting element.This reflecting element has the reflecting surface towards this first transparent substrates, and it is parabolic that this reflecting surface is, and is used for reflecting fully this remainder light.
This solar energy equipment comprises aforementioned dichroic mirror, first sensor, aforementioned reflecting element, and second sensor.This first sensor and this second sensor are located at the focus of this dichroic mirror and this reflecting element respectively, are respectively applied for this part light of sensing and this remainder light.
This dichroic mirror utilizes mucigel to cohere the first dielectric medium film and the second dielectric medium film, reaches stress and disperses, and has prevented that the first dielectric medium film and the second dielectric medium film from breaking, coming off from first transparent substrates and second transparent substrates respectively.In addition, the aqueous vapor in first transparent substrates and the second transparent substrates secluding air gets into the first dielectric medium film and the second dielectric medium film and corrodes the latter two, thereby has prolonged the serviceable life of dichroic mirror.
This solar collector device and this solar energy equipment adopt this dichroic mirror that sunshine is divided into the light in the two different wave length scopes; And two sensors is set comes respectively the sensing sunshine of this corresponding wave band with it; Reach subrane and collect sunlight, thereby improve solar collector rate and utilization factor.
Description of drawings
The dichroic mirror that Fig. 1 provides for present technique scheme one embodiment and the cut-open view of reflecting element and solar irradiation are incident upon the index path behind this dichroic mirror.
The synoptic diagram of the solar collecting device that Fig. 2 provides for present technique scheme one embodiment, this solar collecting device comprise this dichroic mirror and this reflecting element.
The main element symbol description
First transparent substrates 10
The first dielectric medium film 20
Mucigel 30
The second dielectric medium film 40
Second transparent substrates 50
Reflecting element 60
Reflecting surface 61
Embodiment
The dichroic mirror, solar collector device and the solar energy equipment that the present technique scheme are provided below in conjunction with accompanying drawing and embodiment are elaborated.
Referring to Fig. 1; Dichroic mirror 100 cross sections that present technique scheme one embodiment provides are parabolic shape, comprise first transparent substrates 10 and are stacked on the transparent mucigel of the multilayer first dielectric medium film 20, of this first transparent substrates 10 30, the multilayer second dielectric medium film 40 and second transparent substrates 50 in regular turn.
First transparent substrates 10 and second transparent substrates 20 are all the transparent flexible plastics film, for example, can be PEN (PEN), polyethylene terephthalate (PET), polypropylene (PP) or this area transparent plastic commonly used.
This multilayer first dielectric medium film 20 and the multilayer second dielectric medium film 40 are formed at this first transparent substrates 10 and these second transparent substrates, 50 surfaces respectively through methods such as chemogenic deposit, physical vapor deposition or vacuum evaporations respectively.Reach the two opposing surfaces that are pressed on this transparent mucigel 30 from this second transparent substrates 50 outermost layer second dielectric medium film 40 farthest respectively through process for pressing from this first transparent substrates 10 outermost layer first dielectric medium film 20 farthest, and the cohesion that provides through this transparent mucigel 30 is able to fix.The material of each the first dielectric medium film 20 and the second dielectric medium film 40 can be selected from niobium pentaoxide, five oxidations, two thalliums, titania, silicon dioxide, alundum (Al or this area dielectric medium film commonly used.The number of plies of this first dielectric medium film 20 and the second dielectric medium film 40 can be between 15 to 40 layers, and every layer first dielectric medium film 20 can be between 55 to 125 nanometers with the thickness of every layer second dielectric medium film 40.
When sunshine B exposes to second transparent substrates, 50 surfaces, belong to the light that sunshine in 380 to 2000 nanometer wavelength range will be divided into two different wave length scopes.Wherein a part of sunshine B1 passes this second transparent substrates 50, is reflected fully by this multilayer second dielectric medium film 40, penetrates from second transparent substrates, 50 surfaces.Remainder sunshine B2 then passes this multilayer second dielectric medium film 40, mucigel 30, this multilayer first dielectric medium film 20 in regular turn, and this first transparent substrates 10 penetrates certainly.
In this dichroic mirror 100; Mucigel 30 coheres the first dielectric medium film 20 and the second dielectric medium film 40; Reaching stress disperses; Avoided stress to concentrate on first transparent substrates 10 or second transparent substrates 50, can prevent that the first dielectric medium film 20 and the second dielectric medium film 40 from breaking, coming off from first transparent substrates 10 and second transparent substrates 50 respectively.In addition, the aqueous vapor in first transparent substrates 10 and second transparent substrates, 50 secluding airs gets into the first dielectric medium film 20 and the second dielectric medium film 40 and corrodes the latter two, thereby can prolong the serviceable life of dichroic mirror 100.
Below be example to use dichroic mirror 100, solar collector device and solar energy equipment that the present technique scheme provides are described.
Referring to Fig. 1 to 2, the solar energy equipment 200 that present technique scheme one embodiment provides comprises solar collector device 250 and solar cell 600.
This solar cell 600 has this area solar cell typical structure, repeats no more in this.This solar collector device 250 is used to collect sunshine, and the sunshine of collecting is transferred to the surface of this solar cell 600, in order to obtaining electric energy with photovoltaic effect through this solar cell 600.Particularly, this solar collector device 250 comprises dichroic mirror 100, reflecting element 60, first sensor 300, second sensor 400 and optical fiber 500.
Referring to Fig. 1 to Fig. 2, reflecting element 60 is located at the light path outgoing route of dichroic mirror 100, has reflecting surface 61.This reflecting surface 61 is parabolic shape, towards first transparent substrates 10 of dichroic mirror 100.This reflecting surface 61 is used for reflecting fully the sunshine B2 that penetrates from first transparent substrates 10.Reflecting element 60 can be this area reflecting element commonly used.
It is understandable that those skilled in the art also can do other variation etc. and be used for design of the present invention in spirit of the present invention, as long as it does not depart from technique effect of the present invention and all can.These all should be included in the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (10)
1. dichroic mirror; Comprise first transparent substrates and be stacked on the multilayer first dielectric medium film of this first transparent substrates, transparent mucigel, the multilayer second dielectric medium film and second transparent substrates in regular turn; The cross section of this dichroic mirror is parabolic shape; This dichroic mirror is used for the sunlight that exposes to this second transparent substrates is divided into the light of two different wave length scopes, and wherein a part of light is by this multilayer first dielectric medium film reflection, and this second transparent substrates penetrates certainly; Remainder light passes this dichroic mirror, and this first transparent substrates penetrates certainly.
2. dichroic mirror as claimed in claim 1 is characterized in that, this first transparent substrates and this second transparent substrates are that the cross section is parabolic transparent flexible plastics film.
3. dichroic mirror as claimed in claim 1 is characterized in that, the material of this first dielectric medium film and this second dielectric medium film is selected from niobium pentaoxide, five oxidations, two thalliums, titania, silicon dioxide or alundum (Al.
4. dichroic mirror as claimed in claim 1 is characterized in that, this dichroic mirror comprises 15 to 40 layers of this first dielectric medium film and 15 to 40 layers of this second dielectric medium film, and the thickness of every layer first dielectric medium film and every layer second dielectric medium film is between 55 to 125 nanometers.
5. solar collector device; Comprise dichroic mirror and reflecting element, this dichroic mirror comprises first transparent substrates and is stacked on the multilayer first dielectric medium film of this first transparent substrates, transparent mucigel, the multilayer second dielectric medium film and second transparent substrates in regular turn that the cross section of this dichroic mirror is parabolic shape; This dichroic mirror is used for the sunlight that exposes to this second transparent substrates is divided into the light of two different wave length scopes; Wherein a part of light is by this multilayer first dielectric medium film reflection, and this second transparent substrates penetrates certainly, and remainder light passes this dichroic mirror; And this first transparent substrates penetrates certainly; This reflecting element has the reflecting surface towards this first transparent substrates, and this reflecting surface is parabolic, is used for reflecting fully this remainder light.
6. solar collector device as claimed in claim 5 is characterized in that, this first transparent substrates and this second transparent substrates are that the cross section is parabolic transparent flexible plastics film.
7. solar collector device as claimed in claim 5 is characterized in that, the material of this first dielectric medium film and this second dielectric medium film is selected from niobium pentaoxide, five oxidations, two thalliums, titania, silicon dioxide or alundum (Al.
8. solar collector device as claimed in claim 5; It is characterized in that; This dichroic mirror comprises 15 to 40 layers of this first dielectric medium film and 15 to 40 layers of this second dielectric medium film, and the thickness of every layer first dielectric medium film and every layer second dielectric medium film is between 55 to 125 nanometers.
9. a solar energy equipment comprises dichroic mirror, first sensor, reflecting element, and second sensor; This dichroic mirror comprises first transparent substrates and is stacked on the multilayer first dielectric medium film of this first transparent substrates, transparent mucigel, the multilayer second dielectric medium film and second transparent substrates in regular turn; The cross section of this dichroic mirror is parabolic shape, and this dichroic mirror is used for the sunlight that exposes to this second transparent substrates is divided into the light of two different wave length scopes, and wherein a part of light is by this multilayer first dielectric medium film reflection; And this second transparent substrates penetrates certainly; Remainder light passes this dichroic mirror, and this first transparent substrates penetrates certainly, and this reflecting element has the reflecting surface towards this first transparent substrates; It is parabolic that this reflecting surface is; Be used for reflecting fully this remainder light, this first sensor and this second sensor are located at the focus of this dichroic mirror and this reflecting element respectively, are respectively applied for this part light of sensing and this remainder light.
10. solar energy equipment as claimed in claim 9; It is characterized in that; This solar energy equipment also comprises optical fiber and solar cell; This optical fiber links to each other with this first sensor, this second sensor and this solar cell, is used for this part light and this remainder light transmission to this solar cell and shines this solar cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010584931.2A CN102540310B (en) | 2010-12-13 | 2010-12-13 | Dichroic mirror, sunlight collector and solar energy device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010584931.2A CN102540310B (en) | 2010-12-13 | 2010-12-13 | Dichroic mirror, sunlight collector and solar energy device |
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| Publication Number | Publication Date |
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| CN102540310A true CN102540310A (en) | 2012-07-04 |
| CN102540310B CN102540310B (en) | 2015-07-01 |
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| CN201010584931.2A Expired - Fee Related CN102540310B (en) | 2010-12-13 | 2010-12-13 | Dichroic mirror, sunlight collector and solar energy device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063974A (en) * | 2020-08-27 | 2020-12-11 | 中国科学院上海光学精密机械研究所 | Dichroic mirror based on sandwich-like structure interface and composite material and preparation method thereof |
Citations (6)
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| US20030214736A1 (en) * | 1999-02-10 | 2003-11-20 | Matsushita Electric Industrial Co., Ltd. | Reflective optical device, and reflective solid-state optical device, and imaging device, multi-wavelength imaging device, video camera device, and vehicle-mounted monitor utilizing the same |
| US20070109676A1 (en) * | 2005-11-14 | 2007-05-17 | Fujinon Sano Corporation | Reflecting mirror and optical pickup |
| CN201107459Y (en) * | 2007-09-29 | 2008-08-27 | 东莞市康达机电工程有限公司 | Solar energy metal light-gathering plate |
| CN201233471Y (en) * | 2008-07-23 | 2009-05-06 | 东莞市康达机电工程有限公司 | Integrated composite solar energy reflecting concentrating board |
| WO2010013389A1 (en) * | 2008-07-28 | 2010-02-04 | 日本電気硝子株式会社 | Broadband reflecting mirror |
| CN102253481A (en) * | 2010-05-19 | 2011-11-23 | 海洋王照明科技股份有限公司 | Light-focusing device and manufacturing method thereof as well as solar cell system |
-
2010
- 2010-12-13 CN CN201010584931.2A patent/CN102540310B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030214736A1 (en) * | 1999-02-10 | 2003-11-20 | Matsushita Electric Industrial Co., Ltd. | Reflective optical device, and reflective solid-state optical device, and imaging device, multi-wavelength imaging device, video camera device, and vehicle-mounted monitor utilizing the same |
| US20070109676A1 (en) * | 2005-11-14 | 2007-05-17 | Fujinon Sano Corporation | Reflecting mirror and optical pickup |
| CN201107459Y (en) * | 2007-09-29 | 2008-08-27 | 东莞市康达机电工程有限公司 | Solar energy metal light-gathering plate |
| CN201233471Y (en) * | 2008-07-23 | 2009-05-06 | 东莞市康达机电工程有限公司 | Integrated composite solar energy reflecting concentrating board |
| WO2010013389A1 (en) * | 2008-07-28 | 2010-02-04 | 日本電気硝子株式会社 | Broadband reflecting mirror |
| CN102253481A (en) * | 2010-05-19 | 2011-11-23 | 海洋王照明科技股份有限公司 | Light-focusing device and manufacturing method thereof as well as solar cell system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063974A (en) * | 2020-08-27 | 2020-12-11 | 中国科学院上海光学精密机械研究所 | Dichroic mirror based on sandwich-like structure interface and composite material and preparation method thereof |
| CN112063974B (en) * | 2020-08-27 | 2021-05-04 | 中国科学院上海光学精密机械研究所 | Dichroic mirror based on sandwich-like structure interface and composite material and preparation method thereof |
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| CN102540310B (en) | 2015-07-01 |
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