CN203930106U - Light-guide device and solar module - Google Patents
Light-guide device and solar module Download PDFInfo
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- CN203930106U CN203930106U CN201420279523.XU CN201420279523U CN203930106U CN 203930106 U CN203930106 U CN 203930106U CN 201420279523 U CN201420279523 U CN 201420279523U CN 203930106 U CN203930106 U CN 203930106U
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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
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- Y02E10/52—PV systems with concentrators
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Abstract
The utility model discloses a kind of light-guide device and solar module.This light-guide device is for being placed in the edge of solar module, between the outward flange of edge solar battery sheet and the inner edge of this framework, form the first gap, this light-guide device comprises exit facet, the plane of incidence and reflecting surface, this plane of incidence is for receiving the incident light that is incident upon this first gap location, and this incident light enters the light path of refract light after this light-guide device and is selected from: light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet; Light path 2: after this refract light reflects on this reflecting surface, outgoing is to this edge solar battery sheet; Light path 3: this refract light by this reflecting surface, reflexed to this plane of incidence at least one times and after there is total reflection at least one times in this plane of incidence outgoing to this edge solar battery sheet.By the effect of light-guide device, by being incident in solar module the light of gap location everywhere, guide on solar battery sheet, improved the utilization factor to sunshine.
Description
Technical field
The utility model relates to a kind of light-guide device and solar module, particularly relates to a kind of light-guide device and solar module that can improve sunshine utilization factor.
Background technology
In order to obtain larger output power, conventionally a plurality of solar modules are used in combination.With reference to figure 1 and Fig. 2; each solar module 1 comprises a plurality of solar battery sheets 11 and for fixing framework 12; the front of solar battery sheet 11 is coated with the cover glass 13 for the protection of battery; for fixing framework 12, solar battery sheet 11 and cover glass 13 are integrated (with reference to figure 2; cover glass 13 is covered on solar battery sheet 11; framework 12 fastens solar battery sheet 11 and cover glass 13; framework described here just refers to the border structure of solar module), form thus solar module 1.
In actual use, during by a plurality of solar module 1 of web member 3 combination, can between adjacent solar battery assembly 1, leave gap 2 (clear so do not draw solar module 1 and gap 2 by actual ratio for what show in Fig. 1), the width in gap 2 represents with c.In addition, for each solar module 1, solar battery sheet 11 is the impossible entire area of cover framework 12 completely also, will form the gap 101 (width in gap 101 represents with a) between solar battery sheet 11 and framework inner edge in the edge of framework 12 so, also have framework 12 also to have certain width, be the inner edge of framework and the gap between outer rim 102 (width in gap 102 represent with b, the width of supposing framework is uniform).That is to say, sensitive surface, except comprising solar battery sheet 11, also comprises gap 101 and framework 12 own (the namely inner edge of framework and the gap between outer rim 102) between gap 2, solar battery sheet and the framework inner edge between solar module.When solar irradiation is incident upon on the sensitive surface of solar module, the sunshine that exposes to (width is 2a+2b+c) on three gaps, place has just been wasted.
Utility model content
The technical problems to be solved in the utility model is owing to there being gap between solar module when overcoming in prior art that solar module is used in combination, and in solar module, between solar battery sheet and framework, also there is gap and make to be incident to the defect that the sunshine in gap, many places is not used, a kind of light-guide device and solar module are provided, by the light that is incident to gap being guided to the utilization factor that improves sunshine in solar battery sheet, thus the work efficiency of lifting solar module.
The utility model solves above-mentioned technical matters by following technical proposals:
A kind of light-guide device; its feature is; this light-guide device is for being placed in the edge of solar module; solar module comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; between the outward flange of edge solar battery sheet and the inner edge of this framework, form the first gap; this edge solar battery sheet is in solar module, to approach the solar battery sheet of this framework most; this outward flange is the edge that this edge solar battery sheet approaches this framework
This light-guide device comprises exit facet, and this exit facet and cover glass place plane fit, and this light-guide device also comprises the plane of incidence and reflecting surface, and this plane of incidence is used for receiving the incident light that is incident upon this first gap location,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: after this refract light reflects on this reflecting surface from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light by this reflecting surface, reflexed to this plane of incidence at least one times and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
Under the effect of this light-guide device, be able to the incident light that is incident to the first gap location to use, it is injected in solar battery sheet, to do the use of opto-electronic conversion.Compare existing photovoltaic module, the utilization factor of sensitive surface is higher.
Preferably, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this reflecting surface and this exit facet.
Preferably, the angle that this reflecting surface and this exit facet form is obtuse angle.
Preferably, this outward flange of this edge solar battery sheet aligns on the summit at this obtuse angle.Like this, this plane of incidence and this reflecting surface just can use all light that exposes to this first gap location, after superrefraction, reflection, are incident in solar battery sheet.
Preferably, this exit facet covers this edge solar battery sheet at least partly, is launched in this edge solar battery sheet after making thus incident light experience various light paths.
Or this exit facet can be not overlapping with this edge solar battery sheet, only need the physical dimension of this light-guide device of appropriate design, also incident light can be coupled in this edge solar battery sheet.
Preferably, this reflecting surface is coated with specular reflection film.
Preferably, this plane of incidence is also for receiving the incident light that is incident upon framework place.
In this technical scheme, the light that is incident to framework place has also been utilized, and the useful area of sensitive surface has obtained improving further, contributes to the raising of solar module output power.
Preferably, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
In this technical scheme, the light exposing between solar module has also obtained utilization, and the solar module that photovoltaic system comprises is more, and the raising of system effectiveness is just more remarkable.
Preferably, the far-end of this plane of incidence is positioned on the center line in this second gap, and this far-end is that the plane of incidence is away from the end of this edge solar battery sheet.
Preferably, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2.The coupling of refractive index is able to by most incident light outgoing to solar battery sheet this light-guide device.
Preferably, the material of this light-guide device is glass.
Preferably, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
The utility model also provides a kind of solar module, and its feature is, it comprises light-guide device as above.
The utility model also provides a kind of light-guide device; its feature is; this light-guide device is for being placed in the edge of solar module; solar module comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; the solar battery sheet that approaches most this framework in solar module is edge solar battery sheet
This light-guide device comprises exit facet, and this exit facet and cover glass place plane fit, and this light-guide device also comprises the plane of incidence and reflecting surface, and this plane of incidence is used for receiving the incident light that is incident upon this framework place,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: after this refract light reflects on this reflecting surface from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light by this reflecting surface, reflexed to this plane of incidence at least one times and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
Preferably, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this reflecting surface and this exit facet.
Preferably, the angle that this reflecting surface and this exit facet form is obtuse angle.
Preferably, the inner edge of this framework aligns on the summit at this obtuse angle.
Preferably, this exit facet covers this edge solar battery sheet at least partly, is launched in this edge solar battery sheet after making thus incident light experience various light paths.
Or this exit facet can be not overlapping with this edge solar battery sheet, only need the physical dimension of this light-guide device of appropriate design, also incident light can be coupled in this edge solar battery sheet.
Preferably, this reflecting surface is coated with specular reflection film.
Preferably, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
Preferably, the far-end of this plane of incidence is positioned on the center line in this second gap, and this far-end is the end away from this edge solar battery sheet from this plane of incidence.
Preferably, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2,
And/or the material of this light-guide device is glass.
Preferably, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
The utility model also provides a kind of solar module, its feature is, it comprises light-guide device as above, between the outward flange of this edge solar battery sheet and the inner edge of this framework, forms the first gap, this outward flange is the edge that this edge solar battery sheet approaches this framework
This solar module also comprises microstructured layers, this microstructured layers be arranged at this cover glass back side with this corresponding position of the first gap location, this microstructured layers is for reflexing to this edge solar battery sheet by the light that is incident to this first gap location.
Preferably; this microstructured layers is used for the light that is incident to this first gap location directly to reflex to this edge solar battery sheet, or for the light that is incident to this first gap location being reflexed to this cover glass and inner total reflection occurring to enter this edge solar battery sheet at this cover glass place.
The utility model also provides a kind of solar module; its feature is; it comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; the solar battery sheet that approaches most this framework in solar module is edge solar battery sheet; between the outward flange of edge solar battery sheet and the outer rim of this framework, form third space; this outward flange is the edge that this edge solar battery sheet approaches this framework
This solar module also comprises light-guide device, and this light-guide device of this light-guide device is for being placed in the edge of solar module, and this framework comprises reflecting surface,
This light-guide device comprises the plane of incidence, exit facet and transmission plane, and this exit facet and cover glass place plane fit, and this transmission plane and this reflecting surface fit, and this plane of incidence is used for receiving the incident light that is incident upon this third space,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: this refract light from this transmission plane outgoing to this reflecting surface and on this reflecting surface reflection after from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light from this transmission plane outgoing to this reflecting surface reflexed to this plane of incidence by this reflecting surface at least one times, and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
In this technical scheme, in framework, form reflecting surface, it is coordinated with light-guide device, the light that is incident to framework place is incident in solar battery sheet after reflecting, reflecting, improved thus the utilization factor of light.And framework and reflecting surface one-body molded, so on light-guide device just without forming reflecting surface, geometric configuration processing that only need be to light-guide device.
Preferably, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this transmission plane and this exit facet.
Preferably, the angle that this transmission plane and this exit facet form is obtuse angle.
Preferably, the outward flange of this edge solar battery sheet aligns on the summit at this obtuse angle.
Preferably, this exit facet covers this edge solar battery sheet at least partly, is launched in this edge solar battery sheet after making thus incident light experience various light paths.
Or this exit facet can be not overlapping with this edge solar battery sheet, only need the physical dimension of this light-guide device of appropriate design, also incident light can be coupled in this edge solar battery sheet.
Preferably, this reflecting surface is coated with specular reflection film.
Preferably, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
In this technical scheme, the light exposing between solar module has also obtained utilization, and the solar module that photovoltaic system comprises is more, and the raising of system effectiveness is just more remarkable.
Preferably, the far-end of this reflecting surface is positioned on the center line in this second gap, and this far-end is that this plane of incidence is away from the end of this edge solar battery sheet.
Preferably, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2;
And/or this transmission plane is connected with this reflecting surface by the second cementing agent, the difference of the refractive index of this second cementing agent and the refractive index of this light-guide device is less than 0.2.
Preferably, the material of this light-guide device is glass.
Preferably, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
The utility model also provides a kind of solar module; its feature is; it comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; the solar battery sheet that approaches most this framework in solar module is edge solar battery sheet; between the outward flange of edge solar battery sheet and the inner edge of this framework, form the first gap; this outward flange is the edge that this edge solar battery sheet approaches this framework
This solar module also comprises light-guide device and microstructured layers; this light-guide device of this light-guide device is for being placed in the edge of solar module; this microstructured layers be arranged at this cover glass back side with this corresponding position of the first gap location; this microstructured layers is for reflexing to this edge solar battery sheet by the light that is incident to this first gap location; this framework comprises reflecting surface
This light-guide device comprises the plane of incidence, exit facet and transmission plane, and this exit facet and cover glass place plane fit, and this transmission plane and this reflecting surface fit, and this plane of incidence is used for receiving the incident light that is incident upon this framework place,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: this refract light from this transmission plane outgoing to this reflecting surface and on this reflecting surface reflection after from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light from this transmission plane outgoing to this reflecting surface reflexed to this plane of incidence by this reflecting surface at least one times, and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
Preferably, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this transmission plane and this exit facet.
Preferably, the angle that this transmission plane and this exit facet form is obtuse angle.
Preferably, the inner edge of this framework aligns on the summit at this obtuse angle.
Preferably, this exit facet covers this edge solar battery sheet at least partly, is launched in this edge solar battery sheet after making thus incident light experience various light paths.
Or this exit facet can be not overlapping with this edge solar battery sheet, only need the physical dimension of this light-guide device of appropriate design, also incident light can be coupled in this edge solar battery sheet.
Preferably, this reflecting surface is coated with specular reflection film.
Preferably, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
Preferably, the far-end of this reflecting surface is positioned on the center line in this second gap, and this far-end is that this plane of incidence is away from the end of this edge solar battery sheet.
Preferably, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2;
And/or this transmission plane is connected with this reflecting surface by the second cementing agent, the difference of the refractive index of this second cementing agent and the refractive index of this light-guide device is less than 0.2,
And/or the material of this light-guide device is glass.
Preferably, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
Preferably; this microstructured layers is used for the light that is incident to this first gap location directly to reflex to this edge solar battery sheet, or for the light that is incident to this first gap location being reflexed to this cover glass and inner total reflection occurring to enter this edge solar battery sheet at this cover glass place.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is:
The utility model is by the effect of light-guide device, by being incident in solar module the light of gap location everywhere, guides on solar battery sheet, improved the utilization factor to sunshine.By to being incident to the making full use of of sunshine of solar module, make to be subject to light rate to obtain certain raising, improved thus the whole efficiency of solar module.
Accompanying drawing explanation
Fig. 1 is the vertical view of existing solar module.
Fig. 2 is the sectional view of solar module shown in Fig. 1.
Fig. 3 is a kind of schematic diagram that arranges of the utility model light-guide device.
Fig. 4 is the index path of the utility model embodiment 1.
Fig. 5 is the index path of the utility model embodiment 2.
Fig. 6 is the index path of the utility model embodiment 3.
Fig. 7 is the index path of the utility model embodiment 4.
Fig. 8 is the index path of the utility model embodiment 5.
Fig. 9 is that the light-guide device of the utility model embodiment 6 arranges schematic diagram.
Figure 10 is the schematic diagram that arranges of the framework of the present utility model light-guide device that comprises reflecting surface.
Figure 11 is that the another kind of the utility model light-guide device arranges schematic diagram.
Embodiment
Mode below by embodiment further illustrates the utility model, but therefore the utility model is not limited among described scope of embodiments.
First; introduce light-guide device of the present utility model; this light-guide device is for being placed in the edge of solar module; solar module comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; between the outward flange of edge solar battery sheet and the inner edge of this framework, form the first gap; this edge solar battery sheet is in solar module, to approach the solar battery sheet of this framework most; this outward flange is the edge that this edge solar battery sheet approaches this framework
This light-guide device comprises exit facet; this exit facet and cover glass place plane fit and this exit facet covers this edge solar battery sheet at least partly; this light-guide device also comprises the plane of incidence and reflecting surface, and this plane of incidence is for receiving the incident light that is incident upon this first gap location
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: after this refract light reflects on this reflecting surface from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light by this reflecting surface, reflexed to this plane of incidence at least one times and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
Under the effect of this light-guide device, be able to the incident light that is incident to the first gap location to use, it is injected in solar battery sheet, to do the use of opto-electronic conversion.Compare existing photovoltaic module, the utilization factor of sensitive surface is higher.
In addition, this plane of incidence is also for receiving the incident light that is incident upon framework place.Like this, the light that is incident to framework place has also been utilized, and the useful area of sensitive surface has obtained improving further, contributes to the raising of solar module output power.
Best, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.Like this, the light exposing between solar module has also obtained utilization, and the solar module that photovoltaic system comprises is more, and the raising of system effectiveness is just more remarkable.
Specifically, can adopt symmetrical light-guide device, the far-end of this plane of incidence is positioned on the center line in this second gap, and this far-end is that this plane of incidence is away from the end of this edge solar battery sheet.
This exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2.The coupling of refractive index is able to by most incident light outgoing to solar battery sheet this light-guide device.
And this reflecting surface can comprise the combination of the plane of reflection and/or reflecting curved surface, this reflecting surface is coated with specular reflection film.
In having adopted the solar module of above-mentioned light-guide device, be incident to gap location between cell piece and framework, be incident to sunshine on framework and that be incident between solar module and can be utilized, the utilization factor of sunshine is just significantly improved thus.
Next, introduce the solar module of another program, its ultimate principle is identical with above-mentioned solar module, is all the effect by light-guide device, by be incident to various gap locations sunshine use.Difference is, in this scheme, reflecting surface is included on framework, but not in light-guide device.This light-guide device comprises the plane of incidence, exit facet and transmission plane; this exit facet and cover glass place plane fit and this exit facet covers this edge solar battery sheet at least partly; this transmission plane and this reflecting surface fit; between the outward flange of edge solar battery sheet and the outer rim of this framework, form third space; this outward flange is the edge that this edge solar battery sheet approaches this framework; this plane of incidence is for receiving the incident light that is incident upon this third space
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: this refract light from this transmission plane outgoing to this reflecting surface and on this reflecting surface reflection after from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light from this transmission plane outgoing to this reflecting surface reflexed to this plane of incidence by this reflecting surface at least one times, and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
In this technical scheme, in framework, form reflecting surface, it is coordinated with light-guide device, the light that is incident to framework place is incident in solar battery sheet after reflecting, reflecting, improved thus the utilization factor of light.
Below with reference to Fig. 3, take that to utilize the light at the first gap location and framework place be example, first introduce a kind of setting of light-guide device.
With reference to figure 3, (Fig. 3 middle frame outer rim refers to right side edge to the outer rim of the far-end of the plane of incidence 51 of light-guide device (plane of incidence is away from that end of this edge solar battery sheet) and framework 12, framework inner edge just refers to the left side edge of framework) alignment, that is to say, the plane of incidence 51 of this light-guide device is for accepting to be incident to the light at the first gap 101 and framework 12 places, in Fig. 3, three dotted lines are used for illustrating two different gap (with the width of Reference numeral 102 representational frameworks, the namely outer rim of framework and the gap between inner edge), wherein dotted line 111 represents the edge that approaches this framework of solar battery sheet 11 (being edge solar battery sheet), this outward flange namely.The exit facet 53 of light-guide device and cover glass 13 laminatings, these exit facet 53 parts cover this solar battery sheet 11, and this exit facet 53 and this reflecting surface 52 form obtuse angle, and the summit O at this obtuse angle is aligned in dotted line 111.
Two bundle sunshine Z1 and F1 after these plane of incidence 51 incidents, Z1 through superrefraction from these exit facet 53 outgoing to solar battery sheet 11, and F1 is after refraction, by this reflecting surface 52, reflexes to the rear outgoing of exit facet 53 to solar battery sheet 11.From the light path of Z1, can find out, although light-guide device is covered on local solar battery sheet 11, can not hinder the sunshine that is incident to solar battery sheet 11 tops finally to enter in solar battery sheet 11.
Below with reference to Fig. 4-Fig. 9, introduce several incident lights and be incident to the light path situation in light-guide device.
Embodiment 1
With reference to the gap between 4, two dotted lines of figure, be the width 102 of the first gap 101 and framework, the light beam that is incident to gap enters this light-guide device from this plane of incidence 51, through superrefraction directly from these exit facet 53 outgoing to cell piece.
Embodiment 2
The gap of common formation that still represents the width of the first gap and framework with reference to 5, two dotted lines of figure, vertical incidence to the incident light in gap enters the plane of incidence and disperses refraction, be reflected afterwards face reflection from exit facet outgoing to solar battery sheet.
Embodiment 3
The principle of embodiment 3 is substantially the same manner as Example 2, and difference is only it is not vertical incidence, and with reference to figure 6, oblique incidence to the incident light in gap enters the plane of incidence and disperses refraction, be reflected afterwards face reflection from exit facet outgoing to solar battery sheet.
Embodiment 4
With reference to figure 7, in the present embodiment, the light beam that is slanted to gap location reflected before this, reflexed to the plane of incidence afterwards by reflecting surface, and what plane of incidence place occurred is total reflection, and light is reflected onto exit facet afterwards, by exit facet, is entered in solar battery sheet.
Embodiment 5
With reference to figure 8, in the present embodiment, the light beam that is slanted to gap location reflected before this, by reflecting surface, reflex to the plane of incidence afterwards, what plane of incidence place occurred is total reflection, and light beam is reflected onto this reflecting surface afterwards, then reflexes to exit facet to enter in solar battery sheet by this reflecting surface.
Embodiment 6
With reference to figure 9, in the present embodiment, light-guide device is also for accepting to be incident to the light beam between solar module, the light-guide device of adjacent two solar modules is only shown in Fig. 9,103 represent the second gap between adjacent solar battery assembly, dotted line 100 represents the center line in the second gap, in the present embodiment, adopted symmetrical light-guide device, the normal direction of exit facet, the plane of incidence is positioned on center line 100 away from the end (namely the plane of incidence is away from the end of this edge solar battery sheet, i.e. far-end) of framework.
In the present embodiment, compare the light-guide device that only receives the light beam that is incident upon the first gap and framework place, the plane of incidence of the light-guide device of the present embodiment has covered larger area, reflecting surface is also so, the light beam that is incident to the first gap, framework place and the second gap all need to be guided to exit facet place.Certainly, light beam three kinds of light paths and above-described embodiment in light-guide device is similarly, repeats no more for this reason.
Certainly, the light-guide device of symmetrical structure only illustrates, and those skilled in the art can be according to adopting asymmetrical light-guide device utilization to be incident to the light beam between adjacent solar battery assembly described in instructions of the present utility model.
Although each embodiment all be take light-guide device and is comprised that reflecting surface sets forth as example above, the ultimate principle that is positioned at the ultimate principle of the technical scheme on framework and technical scheme described in each embodiment in view of reflecting surface is consistent, repeat no more the concrete light path situation that comprises reflecting surface on framework for this reason, only with reference to Figure 10, when under introducing, reflecting surface is positioned on framework, the set-up mode of light-guide device and the set-up mode of framework.
As shown in figure 10, framework 12 comprises reflecting surface 120, now this framework has comprised the ramp structure shown in Figure 10, the inner edge of framework aligns with the outward flange of edge solar cell, that is to say, reflecting surface 120 is for being reflected into the light that is incident upon the third space between the outward flange of outlying solar cell and the outer rim of framework, and wherein transmission plane 54 fits with reflecting surface 120.Like this, the light that is incident to third space has just been utilized.Except the situation described in Figure 10, can also improve the design of framework, extend the transmission plane of reflecting surface and light-guide device, the light that makes to be incident between adjacent solar battery assembly also can be utilized.
With reference to Figure 11, introduce the set-up mode of another kind of light-guide device.
This light-guide device is for being placed in the edge of solar module; solar module comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; the solar battery sheet that approaches most this framework in solar module is edge solar battery sheet
This light-guide device comprises exit facet; this exit facet and cover glass place plane fit; this light-guide device also comprises the plane of incidence 51 and reflecting surface 52; this plane of incidence is used for receiving and is incident upon this framework place (not shown framework; only with two dotted lines, represent; the Reference numeral 102 of framework before continuing to use represents) and the incident light of the second gap location
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: after this refract light reflects on this reflecting surface from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light by this reflecting surface, reflexed to this plane of incidence at least one times and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet,
Between the outward flange of this edge solar battery sheet and the inner edge of this framework, form the first gap 101, this outward flange is the edge that this edge solar battery sheet approaches this framework,
This solar module also comprises microstructured layers 6; this microstructured layers 6 be arranged at this cover glass back side with these 101 corresponding positions, place, the first gap, this microstructured layers 6 is for reflexing to the light that is incident to this first gap location this edge solar battery sheet.
Specifically; this microstructured layers 6 is for directly reflexing to this edge solar battery sheet by the light that is incident to these 101 places, the first gap; or for the light that is incident to these 101 places, the first gap being reflexed to this cover glass and inner total reflection occurring to enter this edge solar battery sheet (for illustrated succinct, and the not shown light path betiding on this microstructured layers) at this cover glass place.
In view of needing to describe the trend of light path in the utility model, for the ease of diagram, in some accompanying drawing, omitted local Reference numeral, but on the whole, in conjunction with instructions and institute's drawings attached, such description should be can be by understood by one of ordinary skill in the art.
In order to clearly illustrate each structure, the size of the various piece in accompanying drawing is not described in proportion, and those skilled in the art are to be understood that the ratio in accompanying drawing is not limitation of the utility model.In addition, the framework here represents the frame of solar module surrounding, if solar module is rectangle, framework has just comprised four sections of frames so, and top frame, bottom frame also have two side frames in left and right.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.
Claims (41)
1. a light-guide device; it is characterized in that; this light-guide device is for being placed in the edge of solar module; solar module comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; between the outward flange of edge solar battery sheet and the inner edge of this framework, form the first gap; this edge solar battery sheet is in solar module, to approach the solar battery sheet of this framework most; this outward flange is the edge that this edge solar battery sheet approaches this framework
This light-guide device comprises exit facet, and this exit facet and cover glass place plane fit, and this light-guide device also comprises the plane of incidence and reflecting surface, and this plane of incidence is used for receiving the incident light that is incident upon this first gap location,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: after this refract light reflects on this reflecting surface from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light by this reflecting surface, reflexed to this plane of incidence at least one times and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
2. light-guide device as claimed in claim 1, is characterized in that, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this reflecting surface and this exit facet.
3. light-guide device as claimed in claim 2, is characterized in that, the angle that this reflecting surface and this exit facet form is obtuse angle.
4. light-guide device as claimed in claim 3, is characterized in that, this outward flange of this edge solar battery sheet aligns on the summit at this obtuse angle.
5. the light-guide device as described in any one in claim 1-4, is characterized in that, this reflecting surface is coated with specular reflection film.
6. the light-guide device as described in any one in claim 1-4, is characterized in that, this plane of incidence is also for receiving the incident light that is incident upon framework place.
7. light-guide device as claimed in claim 6, is characterized in that, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
8. light-guide device as claimed in claim 7, is characterized in that, the far-end of this plane of incidence is positioned on the center line in this second gap, and this far-end is that this plane of incidence is away from the end of this edge solar battery sheet.
9. the light-guide device as described in any one in claim 1-4, is characterized in that, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2,
And/or the material of this light-guide device is glass.
10. the light-guide device as described in any one in claim 1-4, is characterized in that, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
11. 1 kinds of solar modules, is characterized in that, it comprises the light-guide device as described in any one in claim 1-10.
12. 1 kinds of light-guide devices; it is characterized in that; this light-guide device is for being placed in the edge of solar module; solar module comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; the solar battery sheet that approaches most this framework in solar module is edge solar battery sheet
This light-guide device comprises exit facet, and this exit facet and cover glass place plane fit, and this light-guide device also comprises the plane of incidence and reflecting surface, and this plane of incidence is used for receiving the incident light that is incident upon this framework place,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: after this refract light reflects on this reflecting surface from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light by this reflecting surface, reflexed to this plane of incidence at least one times and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
13. light-guide devices as claimed in claim 12, is characterized in that, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this reflecting surface and this exit facet.
14. light-guide devices as claimed in claim 13, is characterized in that, the angle that this reflecting surface and this exit facet form is obtuse angle.
15. light-guide devices as claimed in claim 14, is characterized in that, the inner edge of this framework aligns on the summit at this obtuse angle.
16. light-guide devices as described in any one in claim 12-15, is characterized in that, this reflecting surface is coated with specular reflection film.
17. light-guide devices as described in any one in claim 12-15, is characterized in that, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
18. light-guide devices as claimed in claim 17, is characterized in that, the far-end of this plane of incidence is positioned on the center line in this second gap, and this far-end is that this plane of incidence is away from the end of this edge solar battery sheet.
19. light-guide devices as described in any one in claim 12-15, is characterized in that, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2,
And/or the material of this light-guide device is glass.
20. light-guide devices as described in any one in claim 12-15, is characterized in that, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
21. 1 kinds of solar modules, it is characterized in that, it comprises the light-guide device as described in any one in claim 12-20, between the outward flange of this edge solar battery sheet and the inner edge of this framework, form the first gap, this outward flange is the edge that this edge solar battery sheet approaches this framework
This solar module also comprises microstructured layers, this microstructured layers be arranged at this cover glass back side with this corresponding position of the first gap location, this microstructured layers is for reflexing to this edge solar battery sheet by the light that is incident to this first gap location.
22. solar modules as claimed in claim 21; it is characterized in that; this microstructured layers is used for the light that is incident to this first gap location directly to reflex to this edge solar battery sheet, or for the light that is incident to this first gap location being reflexed to this cover glass and inner total reflection occurring to enter this edge solar battery sheet at this cover glass place.
23. 1 kinds of solar modules; it is characterized in that; it comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; the solar battery sheet that approaches most this framework in solar module is edge solar battery sheet; between the outward flange of edge solar battery sheet and the outer rim of this framework, form third space; this outward flange is the edge that this edge solar battery sheet approaches this framework
This solar module also comprises light-guide device, and this light-guide device of this light-guide device is for being placed in the edge of solar module, and this framework comprises reflecting surface,
This light-guide device comprises the plane of incidence, exit facet and transmission plane, and this exit facet and cover glass place plane fit, and this transmission plane and this reflecting surface fit, and this plane of incidence is used for receiving the incident light that is incident upon this third space,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: this refract light from this transmission plane outgoing to this reflecting surface and on this reflecting surface reflection after from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light from this transmission plane outgoing to this reflecting surface reflexed to this plane of incidence by this reflecting surface at least one times, and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
24. solar modules as claimed in claim 23, is characterized in that, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this transmission plane and this exit facet.
25. solar modules as claimed in claim 24, is characterized in that, the angle that this transmission plane and this exit facet form is obtuse angle.
26. solar modules as claimed in claim 25, is characterized in that, this outward flange of this edge solar battery sheet aligns on the summit at this obtuse angle.
27. solar modules as described in any one in claim 23-26, is characterized in that, this reflecting surface is coated with specular reflection film.
28. solar modules as described in any one in claim 23-26, is characterized in that, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
29. solar modules as claimed in claim 28, is characterized in that, the far-end of this reflecting surface is positioned on the center line in this second gap, and this far-end is that this plane of incidence is away from the end of this edge solar battery sheet.
30. solar modules as described in any one in claim 23-26, is characterized in that, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2;
And/or this transmission plane is connected with this reflecting surface by the second cementing agent, the difference of the refractive index of this second cementing agent and the refractive index of this light-guide device is less than 0.2,
And/or the material of this light-guide device is glass.
31. solar modules as described in any one in claim 23-26, is characterized in that, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
32. 1 kinds of solar modules; it is characterized in that; it comprises solar battery sheet, be covered in cover glass on solar battery sheet and for the framework of fixed solar cell piece, cover glass; the solar battery sheet that approaches most this framework in solar module is edge solar battery sheet; between the outward flange of edge solar battery sheet and the inner edge of this framework, form the first gap; this outward flange is the edge that this edge solar battery sheet approaches this framework
This solar module also comprises light-guide device and microstructured layers; this light-guide device of this light-guide device is for being placed in the edge of solar module; this microstructured layers be arranged at this cover glass back side with this corresponding position of the first gap location; this microstructured layers is for reflexing to this edge solar battery sheet by the light that is incident to this first gap location; this framework comprises reflecting surface
This light-guide device comprises the plane of incidence, exit facet and transmission plane, and this exit facet and cover glass place plane fit, and this transmission plane and this reflecting surface fit, and this plane of incidence is used for receiving the incident light that is incident upon this framework place,
Wherein, the light path that this incident light enters the refract light after this light-guide device is selected from following light path:
Light path 1: this refract light from this exit facet outgoing to this edge solar battery sheet;
Light path 2: this refract light from this transmission plane outgoing to this reflecting surface and on this reflecting surface reflection after from this exit facet outgoing to this edge solar battery sheet;
Light path 3: this refract light from this transmission plane outgoing to this reflecting surface reflexed to this plane of incidence by this reflecting surface at least one times, and after there is total reflection at least one times in this plane of incidence from this exit facet outgoing to this edge solar battery sheet.
33. solar modules as claimed in claim 32, is characterized in that, the cross section of this light-guide device is the polygon that has comprised this plane of incidence, this transmission plane and this exit facet.
34. solar modules as claimed in claim 33, is characterized in that, the angle that this transmission plane and this exit facet form is obtuse angle.
35. solar modules as claimed in claim 34, is characterized in that, the inner edge of this framework aligns on the summit at this obtuse angle.
36. solar modules as described in any one in claim 32-35, is characterized in that, this reflecting surface is coated with specular reflection film.
37. solar modules as described in any one in claim 32-35, is characterized in that, this plane of incidence is also for receiving the incident light that is incident upon the second gap location, and this second gap is the gap between adjacent solar battery assembly.
38. solar modules as claimed in claim 37, is characterized in that, the far-end of this reflecting surface is positioned on the center line in this second gap, and this far-end is that this plane of incidence is away from the end of this edge solar battery sheet.
39. solar modules as described in any one in claim 32-35, is characterized in that, this exit facet is connected with this cover glass by the first cementing agent, and the difference of the refractive index of this first cementing agent and the refractive index of this light-guide device is less than 0.2;
And/or this transmission plane is connected with this reflecting surface by the second cementing agent, the difference of the refractive index of this second cementing agent and the refractive index of this light-guide device is less than 0.2,
And/or the material of this light-guide device is glass.
40. solar modules as described in any one in claim 32-35, is characterized in that, this reflecting surface comprises at least one plane of reflection,
Or this reflecting surface comprises at least one reflecting curved surface,
Or this reflecting surface comprises at least one plane of reflection and at least one reflecting curved surface.
41. solar modules as described in any one in claim 32-35; it is characterized in that; this microstructured layers is used for the light that is incident to this first gap location directly to reflex to this edge solar battery sheet, or for the light that is incident to this first gap location being reflexed to this cover glass and inner total reflection occurring to enter this edge solar battery sheet at this cover glass place.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279523.XU CN203930106U (en) | 2014-05-28 | 2014-05-28 | Light-guide device and solar module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279523.XU CN203930106U (en) | 2014-05-28 | 2014-05-28 | Light-guide device and solar module |
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| CN203930106U true CN203930106U (en) | 2014-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158838A (en) * | 2014-05-28 | 2015-12-16 | 上海晶玺电子科技有限公司 | Light guide element and solar cell module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158838A (en) * | 2014-05-28 | 2015-12-16 | 上海晶玺电子科技有限公司 | Light guide element and solar cell module |
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Effective date of registration: 20200311 Address after: 315205 Gu Gu village, Jiulong Town, Zhenhai District, Zhejiang, Ningbo Patentee after: NINGBO RUISHIDA NEW MATERIALS CO., LTD. Address before: 200092, room 32, 419-2 Tieling Road, Shanghai, Yangpu District Patentee before: SHANGHAI JINGXI ELECTRONIC TECHNOLOGY CO., LTD. |
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