CN204989639U - Optics beam splitting device - Google Patents
Optics beam splitting device Download PDFInfo
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- CN204989639U CN204989639U CN201520662817.5U CN201520662817U CN204989639U CN 204989639 U CN204989639 U CN 204989639U CN 201520662817 U CN201520662817 U CN 201520662817U CN 204989639 U CN204989639 U CN 204989639U
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Abstract
The utility model provides an optics beam splitting device. Separate through ultraviolet ray, near infrared and the visible light of the beam split thin layer on the free -form surface in with solar spectrum, ultraviolet ray and near infrared be through the focus position that free -form surface assembled at free -form surface, converts heat energy into after the thermal -collecting tube that is located focus position absorbs, and the visible light is reflected by the beam split thin layer to be beam by the free -form surface regulation and control, beam shines perpendicularly downwards on the photovoltaic cell subassembly, converts the electric energy into, or the focus position that assembles at free -form surface through reflection of beam split thin layer and the spotlight at free -form surface under of ultraviolet ray and near infrared, converted into heat energy after being absorbed by the thermal -collecting tube, beam split thin layer and free -form surface are passed in the visible light transmission to be beam by the free -form surface regulation and control, beam shines on the photovoltaic cell subassembly, converts the electric energy into, this optics beam splitting device not only plays the branch photo polymerization, can also assemble and regulate and control the light section of after -separating to the energy of can the make full use of sunlight setting to music entirely.
Description
Technical field
The utility model relates to technical field of solar utilization technique, particularly relates to a kind of optical spectroscopic device.
Background technology
Photovoltaic and photothermal comprehensive utilization is a megatrend of present Solar use, at present, photovoltaic photo-thermal comprehensive utilization device mainly adopts sunshine direct projection photovoltaic cell and installs cooling system additional at the photovoltaic cell back side, because the radiation of visible light accounting for sun power 45% produces electric energy and heat energy to photovoltaic cell, the near infrared light accounting for sun power 50% only produces heat energy to photovoltaic cell, therefore near infrared light is on photovoltaic cell, thermal load and the temperature rise of photovoltaic cell are increased considerably, photovoltaic cell capable of generating power efficiency is reduced, adds photovoltaic cell amount of cooling water.When ensureing that photovoltaic cell conversion ratio promotes, how to make full use of the energy that sunshine is composed entirely, the energy conversion efficiency improving whole system becomes the urgent technical need of photovoltaic and photothermal field of comprehensive utilization.
Utility model content
The utility model embodiment provides a kind of optical spectroscopic device, to make full use of the energy that sunshine is composed entirely, improves the energy conversion efficiency of whole system.
On the one hand, provide a kind of optical spectroscopic device, comprise free form surface, be positioned at the thermal-collecting tube of the focal position of described free form surface and be positioned at the photovoltaic cell component of position immediately below described free form surface, the optical surface of described free form surface is provided with pellicle layer;
When solar spectrum is irradiated on described free form surface, the ultraviolet light in described solar spectrum, near infrared light are separated with visible ray by described pellicle layer;
Described ultraviolet light and near infrared light are through described pellicle layer and converged in the focal position of described free form surface by described free form surface, absorbed, be converted to heat energy by the thermal-collecting tube being positioned at described focal position;
Described visible ray is reflected by described pellicle layer, and is regulated to parallel beam by described free form surface, and described parallel beam is radiated on described photovoltaic cell component vertically downward, is converted to electric energy.
Preferably, described pellicle layer is made up of the dielectric layer material of different refractivity, different-thickness or the mutual alternating deposit of metal-dielectric layer material.
Preferably, described free form surface is made up of transparent solid, and the material of described transparent solid comprises crystal, quartz, crystal glass, quartz glass, organic glass.
Preferably, the optical surface of described free form surface has optical microstructure, and described optical microstructure is for the control of the gathering or reflected light path that strengthen optical band.
Preferably, the profile of described optical microstructure comprises rhombus, cylindrical, triangle, flute profile.
On the other hand, provide another kind of optical spectroscopic device, comprise free form surface, be positioned at the thermal-collecting tube of the focal position of described free form surface and be positioned at the photovoltaic cell component that position below described free form surface, corresponding with the transmitted light path of described free form surface is arranged, the surface of the optical surface of described free form surface is provided with pellicle layer;
When solar spectrum is irradiated on described free form surface, the ultraviolet light in described solar spectrum, near infrared light are separated with visible ray by described pellicle layer;
Described ultraviolet light and near infrared light reflect through described pellicle layer and under the optically focused of described free form surface, converge in the focal position of described free form surface, are converted to heat energy after being absorbed by described thermal-collecting tube;
Described visible transmission through described pellicle layer and described free form surface, and is regulated to parallel beam by described free form surface, and described parallel beam is radiated on described photovoltaic cell component, is converted to electric energy.
Preferably, described pellicle layer is made up of the dielectric layer material of different refractivity, different-thickness or the mutual alternating deposit of metal-dielectric layer material.
Preferably, described free form surface is made up of transparent solid, and the material of described transparent solid comprises crystal, quartz, crystal glass, quartz glass, organic glass.
Preferably, the optical surface of described free form surface has optical microstructure, and described optical microstructure is for the control of the gathering or reflected light path that strengthen optical band.
Preferably, the profile of described optical microstructure comprises rhombus, cylindrical, triangle, flute profile.
According to a kind of optical spectroscopic device that the utility model embodiment provides, by pellicle layer, the ultraviolet light in solar spectrum, near infrared light are separated with visible ray, ultraviolet light and near infrared light converge in the focal position of free form surface by free form surface, heat energy is converted to after being absorbed by the thermal-collecting tube being positioned at focal position, visible ray be split thin layer reflection, and being regulated to parallel beam by free form surface, parallel beam is radiated on photovoltaic cell component vertically downward, is converted to electric energy; Or under ultraviolet light and the near infrared light optically focused through the reflection of pellicle layer and at free form surface, converge in the focal position of free form surface, be converted to heat energy after being absorbed by thermal-collecting tube; Visible transmission through pellicle layer and free form surface, and is regulated to parallel beam by free form surface, and parallel beam is radiated on photovoltaic cell component, is converted to electric energy; The optical spectroscopic device of the utility model embodiment not only plays a point light action, can also assemble the light section after being separated with regulation and control, thus can make full use of the energy that sunshine composes entirely, the energy conversion efficiency of raising whole system;
The optical spectroscopic device of the utility model embodiment have employed freeform optics face, and this optical surface has optical microstructures, can avoid the impact by the change of angle of incidence of sunlight degree;
The optical spectroscopic apparatus structure of the utility model embodiment is simple, is easy to the system integration, easy for installation, and material is easy to obtain, and can facilitate and be widely used in photovoltaic and photothermal system ensemble.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is based thin film wave interference optical filter principle schematic;
The structural representation of a kind of optical spectroscopic device that Fig. 2 provides for the utility model embodiment;
The structural representation of the another kind of optical spectroscopic device that Fig. 3 provides for the utility model embodiment;
Fig. 4 a and Fig. 4 b is respectively the optical microstructure schematic diagram in freeform optics face.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The core promoting full spectrum solar energy system overall transformation efficiency is initiatively to be separated controlled according to demand for each wave band photon by light-splitting device, the independence realizing photovoltaic and photo-thermal controls, its basic thought is by the frequency division of solar spectral and regulation and control, visible light part in sunshine is irradiated on photovoltaic cell, be converted into electric energy, and other a large amount of photons are assembled and are irradiated on photo-thermal medium, be converted to thermal energy storage get up need in by thermoelectric power generation with strengthens whole system generate electricity stability.
The utility model embodiment provides a kind of optical spectroscopic device, by pellicle layer, the ultraviolet light in solar spectrum, near infrared light are separated with visible ray, ultraviolet light and near infrared light converge in the focal position of free form surface by free form surface, heat energy is converted to after being absorbed by the thermal-collecting tube being positioned at focal position, visible ray be split thin layer reflection, and being regulated to parallel beam by free form surface, parallel beam is radiated on photovoltaic cell component vertically downward, is converted to electric energy; Or under ultraviolet light and the near infrared light optically focused through the reflection of pellicle layer and at free form surface, converge in the focal position of free form surface, be converted to heat energy after being absorbed by thermal-collecting tube; Visible transmission through pellicle layer and free form surface, and is regulated to parallel beam by free form surface, and parallel beam is radiated on photovoltaic cell component, is converted to electric energy; The optical spectroscopic device of the utility model embodiment not only plays a point light action, can also assemble the light section after being separated with regulation and control, thus can make full use of the energy that sunshine composes entirely, the energy conversion efficiency of raising whole system.
Fig. 1 is based thin film wave interference optical filter principle schematic, and the utility model embodiment main based thin film wave interference optical filter principle, utilizes principle of optical interference only to make the light of special spectrum scope pass through.Optical spectroscopic film in the utility model embodiment is made up of alternating deposit in the optical material vacuum chamber of different refractivity, make use of the principle that the upper and lower surface emitting interference of light of every thin film is grown mutually or disappeared mutually, reflected light is enhanced or weakens, thus how a certain anti-reflection the or increasing reaching wavelength or a certain band of light be anti-.The response wave length that the optical thin film that each optical material and thickness are formed is corresponding is limited in scope, and therefore in order to realize point photocontrol of wide spectral, needs the mode by multilayer optical film is combined to realize.In addition, the spectroscopic behaviour of film is also relevant to the angle of incident light, and therefore the rete design of this optical spectroscopic film must be coupled with freeform optics face, improves the spectrophotometric result of film as far as possible.
Freeform optics realizes effective optical instrument that luminous energy accurately regulates and controls in nonimaging optics, by flexible, multivariant optical surface design, traditional optical curved surface (such as parabola, the ellipsoid) deficiency in nonimaging optics can be overcome, improve accuracy and utilization ratio of optical energy that imaging optical system controls light energy distribution.In the utility model embodiment, by analyzing solar energy on the basis of the processes such as separation, convergence, reflection, establish the luminous energy mapping relations between optically focused freeform optics face and optical spectroscopic film, then luminous energy is carried out discretize analysis & control, luminous energy and target face are carried out stress and strain model, and set up the reference mark calculated on free form surface, obtain Free-form Surface cloud array, the freeform optics face finally formed.The optical surface of free form surface is designed with Microscopic optical structure, and for strengthening the transmission, reflection, gathering etc. of light, its optical microstructures can be, but not limited to the microcosmic array of rhombus, cylindrical, the figure such as triangle, flute profile according to the requirement of actual functional capability.
The structural representation of a kind of optical spectroscopic device that Fig. 2 provides for the utility model embodiment, the utility model embodiment can be applicable in photo-thermal system, the focal position of free form surface 3 is provided with thermal-collecting tube 4, and position is provided with photovoltaic cell component 5 immediately below free form surface 3, wherein pellicle layer 2 is deposited on the optical surface of free form surface 3, solar spectrum medium ultraviolet 1.1 and near infrared light 1.3, visible ray 1.2, by realizing being separated after pellicle layer 2, form ultraviolet and near-infrared band, visible light wave range.In the present embodiment, pellicle layer 2 pairs of ultraviolet and infrared light, ultraviolet and near infrared transmission of photons pellicle layer 2 focal position by converging in free form surface 3 after free form surface 3, absorbed by the thermal-collecting tube 4 of focal position; And visible light wave range is split, thin layer 2 reflects, and forms parallel beam vertically downward under the regulating and controlling effect of free form surface 3, is radiated on photovoltaic cell component 5, is converted into electric energy.
Pellicle layer is visible filter, ultraviolet and infrared light is allowed to pass through, visible reflectance, be made up of the dielectric layer material of different refractivity, different-thickness or the mutual alternating deposit of metal-dielectric layer material, its membraneous material needs to have certain dispersion relation.
The thickness of pellicle layer can in the scope of nanometer to micron.
Dielectric film material can be, but not limited to the oxide ceramics such as TiO2, SiO2, ZnO, Al2O3, HfO2, Si3N4, or contains the compound oxidate ceramic of above-mentioned oxide, as calcium titanate, magnesium titanate, barium titanate etc.
Thin metal layer material can be, but not limited to gold, silver, aluminium, copper, chromium and platinum etc.
The optical surface of free form surface has the function focusing on and control reflection direction.
Free form surface is transparent solid, and its material can be, but not limited to crystal, quartz, crystal glass, quartz glass, organic glass etc.
The surface of the optical surface of free form surface has optical microstructures, and its function mainly strengthens the gathering of optical band or the control of reflected light path.
The profile of optical microstructures can be, but not limited to rhombus, cylindrical, triangle, flute profile, and the profile of optical microstructures is as shown in fig. 4 a triangle, and the profile of optical microstructures is as shown in Figure 4 b flute profile.
Optical microstructures by but be not limited to nano impression and laser ablation grayscale mask preparation technology manufacture.
According to a kind of optical spectroscopic device that the utility model embodiment provides, by the pellicle layer of free form surface, the ultraviolet light in solar spectrum, near infrared light are separated with visible ray, ultraviolet light and near infrared light converge in the focal position of free form surface by free form surface, heat energy is converted to after being absorbed by the thermal-collecting tube being positioned at focal position, visible ray be split thin layer reflection, and be regulated to parallel beam by free form surface, parallel beam is radiated on photovoltaic cell component vertically downward, is converted to electric energy; The optical spectroscopic device of the utility model embodiment not only plays a point light action, can also assemble the light section after being separated with regulation and control, thus can make full use of the energy that sunshine composes entirely, the energy conversion efficiency of raising whole system;
The optical spectroscopic device of the utility model embodiment have employed freeform optics face, and this optical surface has optical microstructures, can avoid the impact by the change of angle of incidence of sunlight degree;
The optical spectroscopic apparatus structure of the utility model embodiment is simple, is easy to the system integration, easy for installation, and material is easy to obtain, and can facilitate and be widely used in photovoltaic and photothermal system ensemble.
The structural representation of the another kind of optical spectroscopic device that Fig. 3 provides for the utility model embodiment, there is thermal-collecting tube 4 focal position in the free form surface 3 of the utility model embodiment, and the position corresponding with transmitted light path is provided with photovoltaic cell component 5.In the utility model embodiment, pellicle layer 2 is deposited on the surface of the optical surface of free form surface 3, and solar spectrum medium ultraviolet and near infrared photon, visible ray are by realizing being separated after pellicle layer 2.In the present embodiment, pellicle layer 2 pairs of ultraviolet and infrared band are carried out light and are launched, ultraviolet and near infrared photon are through pellicle layer 2 back reflection and under the optically focused of free form surface 3, converge in the focal position of free form surface 3, are heat energy by thermal-collecting tube 4 sorption enhanced; Visible ray is then directly transmitted through pellicle layer 2, is regulated and controled formation parallel beam by free form surface 3, is radiated on photovoltaic cell component 5, is converted into electric energy by photoelectric action.
Pellicle layer is ultraviolet and infrared fileter, permission visible ray passes through, ultraviolet light and infrared light reflection, it forms and is made up of the dielectric film material of different refractivity, different thicknesses of layers or the mutual alternating deposit of metal-dielectric film material, and the thickness of its thin layer can in the scope of nanometer to micron.
Dielectric film material can be, but not limited to the oxide ceramics such as TiO2, SiO2, ZnO, Al2O3, HfO2, Si3N4, or contains the compound oxidate ceramic of above-mentioned oxide, as calcium titanate, magnesium titanate, barium titanate etc.
Thin metal layer material can be, but not limited to gold, silver, aluminium, copper, chromium and platinum etc.
Free form surface has the function focusing on and control reflected light path.
Free form surface is transparent solid, and its material can be, but not limited to crystal, quartz, crystal glass, quartz glass, organic glass etc.
The surface in freeform optics face has optical microstructures, and its effect mainly strengthens the gathering of optical band and the control of transmit direction.
Optical microstructures can be, but not limited to rhombus, cylindrical, triangle, flute profile, and the profile of optical microstructures is as shown in fig. 4 a triangle, and the profile of optical microstructures is as shown in Figure 4 b flute profile.
Optical microstructures by but be not limited to nano impression and laser ablation grayscale mask preparation technology.
According to a kind of optical spectroscopic device that the utility model embodiment provides, by the pellicle layer of free form surface, the ultraviolet light in solar spectrum, near infrared light are separated with visible ray, converge in the focal position of free form surface under ultraviolet light and the near infrared light optically focused through the reflection of pellicle layer and at free form surface, after being absorbed by thermal-collecting tube, be converted to heat energy; Visible transmission through pellicle layer and free form surface, and is regulated to parallel beam by free form surface, and parallel beam is radiated on photovoltaic cell component, is converted to electric energy; The optical spectroscopic device of the utility model embodiment not only plays a point light action, can also assemble the light section after being separated with regulation and control, thus can make full use of the energy that sunshine composes entirely, the energy conversion efficiency of raising whole system;
The optical spectroscopic device of the utility model embodiment have employed freeform optics face, and this optical surface has optical microstructures, can avoid the impact by the change of angle of incidence of sunlight degree;
The optical spectroscopic apparatus structure of the utility model embodiment is simple, is easy to the system integration, easy for installation, and material is easy to obtain, and can facilitate and be widely used in photovoltaic and photothermal system ensemble.
The foregoing is only the preferred embodiment of technical solutions of the utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an optical spectroscopic device, it is characterized in that, comprise free form surface, be positioned at the thermal-collecting tube of the focal position of described free form surface and be positioned at the photovoltaic cell component of position immediately below described free form surface, the optical surface of described free form surface is provided with pellicle layer;
When solar spectrum is irradiated on described free form surface, the ultraviolet light in described solar spectrum, near infrared light are separated with visible ray by described pellicle layer;
Described ultraviolet light and near infrared light are through described pellicle layer and converged in the focal position of described free form surface by described free form surface, absorbed, be converted to heat energy by the thermal-collecting tube being positioned at described focal position;
Described visible ray is reflected by described pellicle layer, and is regulated to parallel beam by described free form surface, and described parallel beam is radiated on described photovoltaic cell component vertically downward, is converted to electric energy.
2. device as claimed in claim 1, is characterized in that, described pellicle layer is made up of the dielectric layer material of different refractivity, different-thickness or the mutual alternating deposit of metal-dielectric layer material.
3. device as claimed in claim 1 or 2, it is characterized in that, described free form surface is made up of transparent solid, and the material of described transparent solid comprises crystal, quartz, crystal glass, quartz glass, organic glass.
4. device as claimed in claim 3, it is characterized in that, the optical surface of described free form surface has optical microstructure, and described optical microstructure is for the control of the gathering or reflected light path that strengthen optical band.
5. device as claimed in claim 4, it is characterized in that, the profile of described optical microstructure comprises rhombus, cylindrical, triangle, flute profile.
6. an optical spectroscopic device, it is characterized in that, comprise free form surface, be positioned at the thermal-collecting tube of the focal position of described free form surface and be positioned at the photovoltaic cell component that position below described free form surface, corresponding with the transmitted light path of described free form surface is arranged, the surface of the optical surface of described free form surface is provided with pellicle layer;
When solar spectrum is irradiated on described free form surface, the ultraviolet light in described solar spectrum, near infrared light are separated with visible ray by described pellicle layer;
Described ultraviolet light and near infrared light reflect through described pellicle layer and under the optically focused of described free form surface, converge in the focal position of described free form surface, are converted to heat energy after being absorbed by described thermal-collecting tube;
Described visible transmission through described pellicle layer and described free form surface, and is regulated to parallel beam by described free form surface, and described parallel beam is radiated on described photovoltaic cell component, is converted to electric energy.
7. device as claimed in claim 6, is characterized in that, described pellicle layer is made up of the dielectric layer material of different refractivity, different-thickness or the mutual alternating deposit of metal-dielectric layer material.
8. device as claimed in claims 6 or 7, it is characterized in that, described free form surface is made up of transparent solid, and the material of described transparent solid comprises crystal, quartz, crystal glass, quartz glass, organic glass.
9. device as claimed in claim 8, it is characterized in that, the optical surface of described free form surface has optical microstructure, and described optical microstructure is for the control of the gathering or reflected light path that strengthen optical band.
10. device as claimed in claim 9, it is characterized in that, the profile of described optical microstructure comprises rhombus, cylindrical, triangle, flute profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662817.5U CN204989639U (en) | 2015-08-28 | 2015-08-28 | Optics beam splitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520662817.5U CN204989639U (en) | 2015-08-28 | 2015-08-28 | Optics beam splitting device |
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| CN204989639U true CN204989639U (en) | 2016-01-20 |
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| CN201520662817.5U Withdrawn - After Issue CN204989639U (en) | 2015-08-28 | 2015-08-28 | Optics beam splitting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182549A (en) * | 2015-08-28 | 2015-12-23 | 南方科技大学 | Optical light splitting device |
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2015
- 2015-08-28 CN CN201520662817.5U patent/CN204989639U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182549A (en) * | 2015-08-28 | 2015-12-23 | 南方科技大学 | Optical light splitting device |
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Granted publication date: 20160120 Effective date of abandoning: 20180112 |
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| AV01 | Patent right actively abandoned |