CN105276511A - Solar panel lighting device emitting light evenly - Google Patents
Solar panel lighting device emitting light evenly Download PDFInfo
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- CN105276511A CN105276511A CN201510171491.0A CN201510171491A CN105276511A CN 105276511 A CN105276511 A CN 105276511A CN 201510171491 A CN201510171491 A CN 201510171491A CN 105276511 A CN105276511 A CN 105276511A
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- light waveguide
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Abstract
The invention provides a solar panel lighting device emitting light evenly. The solar panel lighting device emitting light evenly comprises a protective layer (1), an evenly-lighting panel arranged below the protective layer (1), a solar cell (5), a charging and discharging control circuit (3) and an electricity storage cell (9). The evenly-lighting panel comprises a light emitting device (4) and a light waveguide layer. The solar cell (5) is directly located below the light waveguide layer (2) and connected with the charging and discharging control circuit (3). The electricity storage cell (9) is connected with the charging and discharging control circuit (3). By the adoption of the solar panel lighting device, the solar power generation function and the lighting function are integrated on the same plane, light can be emitted evenly, and the light use rate can be effectively increased.
Description
Technical field
The present invention relates to solar lighting field, particularly relate to a kind of luminous uniform plate solar lighting device.
Background technology
Along with development that is social and technology, the energy shortage situation of country is increasingly sharpened, and energy-conserving and environment-protective, reduction energy consumption become the focus of society already.Solar energy as one of the most clean energy, not only aboundresources, and without the need to transport, for guarantee energy security, preserve the ecological environment, realize sustainable development, significant.Solar product, as clean energy products, is widely used in every field.
Solar illumination apparatus is the energy with solar energy, realizes opto-electronic conversion by solar cell, daytime with battery savings, stored electric energy, powered to electric light source by controller in the evening, the function lighting required for realization.But most of solar energy illuminating product on market, just directly fits together solar cell and lighting device, still there are some shortcomings.On the one hand solar cell is only as one independently power-supply system and existing, lighting device and solar cell are provided separately, cause illuminator structure complicated, light absorption face and light-emitting area be not at same plane, the application of solar illumination apparatus is restricted, reduce effective light-emitting area, reduce light utilization efficiency; Existing solar illumination apparatus illuminating effect is not good on the other hand, although have some by energy storage and the solar energy illuminating product combined that throws light on, these product non-uniform lights yet, people are easily made to feel dazzling, cause illuminating effect not good, cause energy waste, as solar energy underground lamp.
Summary of the invention
Goal of the invention of the present invention solves above-mentioned existing limitation, provides one collect solar electrical energy generation and throw light in same plane, and can realize uniformly light-emitting, effectively improve the plate solar lighting device of light utilization efficiency.
A kind of luminous uniform plate solar lighting device of the present invention, comprise protective layer, be arranged on described protective layer under Uniform Illumination flat board, solar cell, charge-discharge control circuit and storage batteries; Described Uniform Illumination flat board comprises light-emitting device and light waveguide-layer; Described solar cell is located immediately at the below of described light waveguide-layer, is connected with described charge-discharge control circuit; Described storage batteries is connected with described charge-discharge control circuit.
The present invention, by the combination of described protective layer and Uniform Illumination flat board, can optimize the propagation of light, improves the utilization rate of light and the guide-lighting uniformity.Described protective layer, when sunshine light enters, plays locking light, reduces the effect of reflection and scattering; When light exports, protective layer plays the effect of diffusion.The light waveguide-layer structure of described Uniform Illumination flat board is different from conventional light guide plate structure, and absorption solar energy and Uniform Illumination function can be integrated in one, make more light directive visible area, improve the utilization rate of light and the uniformity of leaded light, realize optimizing light transmition, reduce energy loss, cost-saving, make human eye perceives comfortable.
As improvement, the dull and stereotyped lower surface of described Uniform Illumination is provided with light guiding points.When light in described light waveguide-layer is to each light guiding points, light guiding points destroys original conditioned reflex, and diffuse reflection phenomenon occurs, and makes uniform light be distributed in described light waveguide-layer surface.According to different application needs, the shape of described light guiding points, size and total distribution area variable.Described light guiding points shape can be circle, square, triangle, polygon or paliform.
As improvement, the distribution area of described light guiding points in light waveguide-layer accounts for 20% ~ 80% of the light waveguide-layer lower surface gross area.For meeting specific demand, it is loose that described light guiding points also can be designed to borderline region distribution, and zone line distribution closely, makes the uniformity of the light in light waveguide-layer be greater than 90%.According to different applications, the shape of described light waveguide-layer is square, rectangle, triangle, circle or polygon etc., and the size of light guiding points changes with application demand.
As improvement, described light-emitting device is arranged on the outside or inside of the side boundaries of described light waveguide-layer.According to the propagation principle of light, have selected suitable position, improve the utilization rate of light.
As improvement, the lower surface edge of described light waveguide-layer is provided with at least one groove, and described light-emitting device is separately positioned in described groove.Preferably, the shape of described groove is " convex " font or semicircle.
As improvement, described protective layer is glass or macromolecule material.
As improvement, described protective layer upper surface is provided with projection.The projection of described protective layer upper surface, the light penetrated by upper cover is spread, and makes distribution of light even.
As preferably, described shape for lugs is square, triangle, circle, semicircle or diamond structure.
As improvement, the lateral edge of described light waveguide-layer is provided with the first reflectance coating.The light that light-emitting device is launched is except in direct directive light waveguide-layer, some light is still had to disperse to edge, the first described reflectance coating plays the effect of reflecting the light dispersed to edge, enables, in light reflected light ducting layer, to improve the utilization rate of light.
As improvement, described light waveguide-layer is provided with the second reflectance coating, and the second described reflectance coating is located at the obverse relative position of described light-emitting device.The light that light-emitting device is launched is except in direct directive light waveguide-layer, some light is still had to disperse to corresponding surface, the second described reflectance coating plays the effect of the light that reflection is dispersed to corresponding surface, enables, in light reflected light ducting layer, to improve the utilization rate of light.
After adopting above structure, the present invention compared with prior art, has the following advantages:
The luminous uniform plate solar lighting device of the present invention is the solar lighting composite construction of the dull and stereotyped one of a kind of solar electrical energy generation and Uniform Illumination, and luminescence and light absorption are at grade.The present invention includes protective layer, Uniform Illumination flat board, solar cell, charge-discharge control circuit and storage batteries.This device utilizes protective layer and Uniform Illumination flat board, and when sunshine enters, protective layer locking light, reduces reflection and the scattering of light; When Uniform Illumination plate lighting, light waveguide-layer realizes that light transmition is even, and protective layer plays the effect of diffusion, not only solves the contradiction that light absorption face and light-emitting area cannot be arranged on same, also improves the utilization rate of light and the guide-lighting uniformity.When sunshine direct projection enters described light waveguide-layer, the light transmittance of described light waveguide-layer is greater than 50%; When realizing illumination functions, light is propagated from described light waveguide-layer side, and incidence angle is greater than certain value, and light is totally reflected in described light waveguide-layer, and now described light waveguide-layer is 100% transparent.This apparatus structure is simple, evenly luminous, and energy-conserving and environment-protective are intelligent light-controlled, without the need to manual operation, are applicable to multiple field, as solar energy underground lamp, advertising lamp box, architecture-integral device etc.The present invention can improve the utilization rate of light and the guide-lighting uniformity, realizes reducing energy loss, cost-saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the generalized section of light waveguide-layer of the present invention.
Fig. 3 is light transmition schematic diagram in light waveguide-layer of the present invention.
Fig. 4 is the structural representation of the light waveguide-layer lower surface of first embodiment of the present invention.
Fig. 5 is the structural representation of the light waveguide-layer lower surface of second embodiment of the present invention.
Shown in figure 1, protective layer, 2, light waveguide-layer, 3, charge-discharge control circuit, 4, light-emitting device, 5, solar cell, 6, groove, 7, projection, 8, base, 9, storage batteries, the 10, first reflectance coating, the 11, second reflectance coating, 12, light guiding points.
Detailed description of the invention
For explain further illustrate the present invention take and technological means, be described in detail in conjunction with the preferred embodiments of the present invention and accompanying drawing.
As Figure 1-3, a kind of luminous uniform plate solar lighting device of the present invention, comprise protective layer 1, be arranged on described protective layer 1 under Uniform Illumination flat board, solar cell 5, charge-discharge control circuit 3 and storage batteries 9; Described Uniform Illumination flat board comprises light-emitting device 4 and light waveguide-layer 2; Described solar cell 5 is located immediately at the below of described light waveguide-layer 2, is connected with described charge-discharge control circuit 3; Described storage batteries 9 is connected with described charge-discharge control circuit 3.The dull and stereotyped lower surface of described Uniform Illumination is provided with light guiding points 12.The described distribution area of light guiding points 12 in light waveguide-layer 2 accounts for 20% ~ 80% of the light waveguide-layer 2 lower surface gross area.Described light-emitting device 4 is arranged on the outside or inside of the side boundaries of described light waveguide-layer 2.The lower surface edge of described light waveguide-layer 2 is provided with at least one groove 6, and described light-emitting device 4 is separately positioned in described groove 6.The shape of described groove 6 is " convex " font or semicircle.Described protective layer 1 is glass or macromolecule material.Described protective layer 1 upper surface is provided with projection 7.Described projection 7 shape is square, triangle, circle, semicircle or diamond structure.The lateral edge of described light waveguide-layer 2 is provided with the first reflectance coating 10.Described light waveguide-layer 2 is provided with the second reflectance coating 11, and the second described reflectance coating 11 is located at the described obverse relative position of light-emitting device 4.
As further expanding, the described replaceable one-tenth reflecting plate of solar cell 5 of the present invention, can be applicable to indoor or all the other cannot utilize the occasion of solar energy, becomes a kind of novel lighting apparatus, realizes the function of Uniform Illumination.
In addition, selecting at parts, can be different according to lighting requirements, freely select different types of light emitting diode, as glow color is different, luminous intensity is different, encapsulation condition is different.Described solar cell 5 can be the solar cell 5 of monocrystalline silicon, polysilicon, CIGS or other types.The capacity of ultracapacitor, for being preferably 3F-1000F, realizes 500,000 charge and discharge cycles service life.Storage batteries 9 can be battery or ultracapacitor.
Under practical situations, on daytime, sunshine is through protective layer 1 and Uniform Illumination flat board, and the sunray of 20% ~ 80% incides solar cell 5, is energy, and is stored in storage batteries 9 by solar cell 5 sorption enhanced.At night, the voltage of solar cell 5 reduces along with the minimizing of incident ray, and the voltage at light-emitting device 4 two ends increases thereupon, and when arriving certain value, light-emitting device 4 is luminous, and Uniform Illumination flat board realizes Uniform Illumination.Uniform Illumination flat board whether send illumination by the Control of Voltage of solar cell 5.
Embodiment one
Solar cell 5 in the present embodiment is monocrystaline silicon solar cell.
Described storage batteries 9 is the ultracapacitor of two 2.7v100F.
The shape of described protective layer 1 is square, and the projection 7 of protective layer 1 upper surface is square structure.
The shape of described light waveguide-layer 2 is square, and lower surface is uniform-distribution with white light guiding points 12, and the shape of light guiding points 12 is circular.
As shown in Figure 4, light waveguide-layer 2 lower surface edge is provided with a groove 6.The shape of described groove 6 is " convex " font, for mounting light emitting device 4.
Described light-emitting device 4 is located in described groove 6 respectively, the lamp body of described light-emitting device 4 and the upper surface of described light waveguide-layer 2 and lower surface be arranged in parallel, bottom is arranged towards the lateral edge of described light waveguide-layer 2, and light emitting source termination is towards the central authorities of described light waveguide-layer 2.
The first described reflectance coating 10 and the second reflectance coating 11 are all attached to light waveguide-layer 2 side in the mode of pasting.
On daytime, light therethrough protective layer 1 and light waveguide-layer 2, enter solar cell 5.Luminous energy is converted to electric energy by photoelectric effect by solar cell 5, is stored in the ultracapacitor on charge-discharge control circuit 3.At night, after the voltage at light-emitting device 4 two ends is raised to a certain value, ultracapacitor provides electric energy to light-emitting device 4, and light-emitting device 4 starts luminescence.
The light of light-emitting device 4 light emitting source injection, small part light is propagated towards the upper surface at groove 6 top, and through the second reflectance coating 11, light reflection returns in described light waveguide-layer 2; Major part light is directly propagated towards light waveguide-layer 2 central authorities; The light of part directive light waveguide-layer 2 lower surface, the guide-lighting round dot of the white through light waveguide-layer 2 lower surface, reverberation spreads to all angles, destroys conditioned reflex, makes light waveguide-layer 2 uniformly light-emitting.First reflectance coating 10 of light waveguide-layer 2 side, makes the light laterally propagated be reflected back toward in light waveguide-layer 2.Light waveguide-layer 2 utilizes total reflection principle, and light is not reflected, and all turns back to fiber waveguide layer 2 relay and resumes and broadcast.
Adopt the solar energy underground lamp of this composite construction device evenly luminous, not dazzling, both improve light utilization, and also saved the energy and cost.
Embodiment two
Refer to Fig. 5, be the schematic diagram of the second example rectangle solar energy underground lamp of the luminous uniform plate solar lighting device of the present invention, this embodiment two is with the difference of embodiment one: described protective layer 1, light waveguide-layer 2 and base 8 are rectangle; Described groove 6 is arranged on the lower surface both sides of light waveguide-layer 2, and arranged in parallel; The quantity of the groove 6 of every side is at least 4, the quantity of light-emitting device 4 and the quantity of groove 6 suitable.Other parts are all identical with the first embodiment, do not repeat herein.
Below only just most preferred embodiment of the present invention is described, but can not be interpreted as it is limitations on claims.The present invention is not limited only to above embodiment, and all various changes done in the protection domain of independent claims of the present invention are all in protection scope of the present invention.
Claims (10)
1. the uniform plate solar lighting device of luminescence, is characterized in that: comprise protective layer (1), be arranged on described protective layer (1) under Uniform Illumination flat board, solar cell (5), charge-discharge control circuit (3) and storage batteries (9); Described Uniform Illumination flat board comprises light-emitting device (4) and light waveguide-layer; Described solar cell (5) is located immediately at the below of described light waveguide-layer (2), is connected with described charge-discharge control circuit (3); Described storage batteries (9) is connected with described charge-discharge control circuit (3).
2. the uniform plate solar lighting device of luminescence according to claim 1, is characterized in that: the dull and stereotyped lower surface of described Uniform Illumination is provided with light guiding points (12).
3. the uniform plate solar lighting device of luminescence according to claim 2, is characterized in that: the described distribution area of light guiding points (12) in light waveguide-layer (2) accounts for 20% ~ 80% of light waveguide-layer (2) the lower surface gross area.
4. the uniform plate solar lighting device of luminescence according to claim 2, is characterized in that: described light-emitting device (4) is arranged on the outside or inside of the side boundaries of described light-emitting device (4) light waveguide-layer (2).
5. the uniform plate solar lighting device of luminescence according to claim 4, it is characterized in that: the lower surface edge of described light waveguide-layer (2) is provided with at least one groove (6), described light-emitting device (4) is separately positioned in described groove (6).
6. the uniform plate solar lighting device of luminescence according to claim 1, is characterized in that: described protective layer (1) is glass or macromolecule material.
7. the uniform plate solar lighting device of luminescence according to claim 1, is characterized in that: described protective layer (1) upper surface is provided with projection (7).
8. the uniform plate solar lighting device of luminescence according to claim 7, is characterized in that: described projection (7) shape is square, triangle, circle, semicircle or diamond structure.
9. the uniform plate solar lighting device of luminescence according to claim 1, is characterized in that: the lateral edge of described light waveguide-layer (2) is provided with the first reflectance coating (10).
10. the uniform plate solar lighting device of the luminescence according to claim 1 or 9, it is characterized in that: described light waveguide-layer (2) is provided with the second reflectance coating (11), described the second reflectance coating (11) is located at described light-emitting device (4) obverse relative position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171491.0A CN105276511A (en) | 2015-04-13 | 2015-04-13 | Solar panel lighting device emitting light evenly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171491.0A CN105276511A (en) | 2015-04-13 | 2015-04-13 | Solar panel lighting device emitting light evenly |
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| CN105276511A true CN105276511A (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510171491.0A Pending CN105276511A (en) | 2015-04-13 | 2015-04-13 | Solar panel lighting device emitting light evenly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109976034A (en) * | 2018-12-21 | 2019-07-05 | 汉能移动能源控股集团有限公司 | Optical module, photovoltaic module, system, device and product applying same |
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|---|---|---|---|---|
| CN101526189A (en) * | 2009-04-01 | 2009-09-09 | 李行军 | Ultra-thin energy-saving lamp box |
| CN204100105U (en) * | 2014-09-30 | 2015-01-14 | 浙江尚越新能源开发有限公司 | A kind of solar energy underground lamp |
| CN204153681U (en) * | 2014-10-22 | 2015-02-11 | 深圳市旭日东方实业有限公司 | A kind of light guide plate and solar energy underground lamp |
| CN204240254U (en) * | 2014-12-17 | 2015-04-01 | 李永恒 | A kind of LED energy-saving illuminator of advertising signboard |
| CN204477905U (en) * | 2015-04-13 | 2015-07-15 | 浙江尚越新能源开发有限公司 | A kind of luminous uniform plate solar lighting device |
-
2015
- 2015-04-13 CN CN201510171491.0A patent/CN105276511A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526189A (en) * | 2009-04-01 | 2009-09-09 | 李行军 | Ultra-thin energy-saving lamp box |
| CN204100105U (en) * | 2014-09-30 | 2015-01-14 | 浙江尚越新能源开发有限公司 | A kind of solar energy underground lamp |
| CN204153681U (en) * | 2014-10-22 | 2015-02-11 | 深圳市旭日东方实业有限公司 | A kind of light guide plate and solar energy underground lamp |
| CN204240254U (en) * | 2014-12-17 | 2015-04-01 | 李永恒 | A kind of LED energy-saving illuminator of advertising signboard |
| CN204477905U (en) * | 2015-04-13 | 2015-07-15 | 浙江尚越新能源开发有限公司 | A kind of luminous uniform plate solar lighting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109976034A (en) * | 2018-12-21 | 2019-07-05 | 汉能移动能源控股集团有限公司 | Optical module, photovoltaic module, system, device and product applying same |
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Application publication date: 20160127 |