CN102486283A - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN102486283A CN102486283A CN2010105685628A CN201010568562A CN102486283A CN 102486283 A CN102486283 A CN 102486283A CN 2010105685628 A CN2010105685628 A CN 2010105685628A CN 201010568562 A CN201010568562 A CN 201010568562A CN 102486283 A CN102486283 A CN 102486283A
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- China
- Prior art keywords
- light
- light guide
- lighting device
- guide section
- solar cell
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Abstract
A lighting device comprises an luminous body, wherein the luminous body is of a cylindrical structure, is provided with a central shaft and comprises a reflection part and a function part, wherein the reflection part is close to and surrounds the central shaft; the function part is far away from and surrounds the central shaft, and comprises a first shading part; a light guide part and an accommodating part which is adjacent to the light guide part are arranged between the reflection part and the function part, the light guide part is provided with a bright enhancement film which is adjacent to one side of the function part, and the accommodating part is positioned in the limited shading area of the first shading part; a solar cell and a light source are accommodated in the accommodating part, the solar cell is used for receiving the sunlight which passes by the light guide part and the reflection part, and the light from the light source is sent out from the luminous body through the light guide part and the reflection part; and a storage battery is also arranged, is electrically connected with the solar cell and the light source, and is used for storing electric energy which is output by the solar cell and providing electric energy for the light source.
Description
Technical field
The present invention relates to lighting device, relate in particular to and utilize solar energy luminous lighting device.
Background technology
Usually, the outdoor lighting device utilizes solar energy to carry out energy mostly and supplies with, yet the general illumination device all needs enough big solar battery panel, often occupies larger volume when therefore being installed in the open air.
In addition, the light-receiving area of general outdoor lighting device has almost occupied most of space of lighting device, and light-emitting area is compressed, and therefore is not enough to satisfy the demand of outdoor lighting.
Summary of the invention
In view of this, provide a kind of volume little, compact conformation, and the lighting device that equates basically of light-receiving area and light-emitting area.
A kind of lighting device, it comprises an illuminator, and this illuminator is a column structure, has central shaft, and this illuminator comprises one near the reflecting part that also centers on this central shaft; One away from and around the function portion of this central shaft, this function portion comprises one first light shielding part; Be provided with a light guide section and the resettlement section adjacent with this light guide section between this reflecting part and this function portion, this light guide section has a brightness enhancement film that is positioned at contiguous this function portion one side, and this resettlement section is positioned at the lightproof area that this first light shielding part limits; A solar cell and a light source are contained in this resettlement section, and this solar cell is used to receive the sunshine that arrives through this light guide section and reflecting part, and the light that this light source sends penetrates this illuminator by this light guide section and reflecting part; And an energy-storage battery, be electrically connected with this solar cell and this light source, be used to store the electric energy of this solar cell output and be this light source supply electric energy.
With respect to prior art, lighting device provided by the invention is the hollow cylinder body structure, and solar cell and light source are contained in the inside of this lighting device, compact conformation, and light-receiving area is equal basically with light-emitting area.
Description of drawings
Fig. 1 is the perspective view of the lighting device that provides of the embodiment of the invention.
Fig. 2 is the generalized section of the II-II direction of lighting device shown in Figure 1.
The main element symbol description
Second light shielding part 22
First light shielding part 282
Reflecting part 21
Energy-storage battery 40
The specific embodiment
Below will combine accompanying drawing that the present invention is done further explain.
See also Fig. 1 and Fig. 2, the lighting device 10 that the embodiment of the invention provides comprises an illuminator 20, is positioned at the solar cell 30 and 32, one energy-storage batteries 40 of light source and a base 42 of this illuminator 20.
This illuminator 20 is a hollow cylinder.Certainly, this illuminator can also be a solid cylinder, perhaps the cylinder of other shape.The end face and the bottom surface of this illuminator 20 are annular, and for making light all only from the side surface turnover of this illuminator 20, this end face and bottom surface are all light tight, can pass through at this end face metal-coated membrane and bottom surface and base 42 is closely mutually sturdy existing.
This illuminator 20 has a central shaft.This illuminator 20 comprise one near and around 21, one of the reflecting parts of this central shaft away from and around the function portion 28 of this central shaft, this function portion 28 comprises one first light shielding part 282.
Be provided with light guide section 24 and the resettlement section 50 adjacent between this reflecting part 21 and this function portion 28 with this light guide section 24.
The material of this light guide section 24 is preferably polymethyl methacrylate (PMMA) or Merlon (PC).This light guide section 24 is one section circular arc.The outer surface 240 of this light guide section 24 is an arc surface.This light guide section 24 has the first surface 241 and second surface 242 that lays respectively at this section circular arc head and the tail.The length of this light guide section 24 can design as required.
In week outside this outer surface 240, promptly contiguous these function portion 28 1 sides are provided with a brightness enhancement film 26, and this brightness enhancement film 26 comprises several micro prisms, perhaps comprises the lens that several are small, and prism structure or lens arrangement are outwardly, promptly towards this function portion 28.This brightness enhancement film 26 is used for sunlight is diffused into the outside of illuminator 20 in this light guide section 24 and with internal light.
This resettlement section 50 is positioned at the lightproof area that this first light shielding part 282 limits; This resettlement section 50 is used to accommodate this solar cell 30 and this light source 32; This solar cell 30 is used to receive and gets into this light guide section 24 and by this light guide section 24 and sunshine that reflecting part 21 reflected or reflect, and the light that this light source 32 sends reflects or reflects this illuminator 20 by this light guide section 24 and reflecting part 21.
This reflecting part 21 can be thin minute surface, is used to strengthen the reflection function of this light guide section 24, make extraneous light in this light guide section 24, reflected as far as possible, and the light that makes light source 32 send is reflected onto the outside.In the present embodiment, this reflecting part 21 is one section circular arc.The head and the tail of this reflecting part 21 are mutually neat with the head and the tail of this light guide section 24, and this resettlement section 50 is arranged in the space of the head and the tail qualification of this reflecting part 21 and this light guide section 24.In other embodiments, this reflecting part 21 can be a whole coil structures.
It is to be outside perhaps the inject inside of UV light in preventing through these resettlement section 50 direct directive lighting devices 10 that this first light shielding part 282 is set.
Further; Can one second light shielding part 22 be set to block the light of this central axis direction of directive in the interior week of this reflecting part 21 and around this central shaft; This second light shielding part 22 adopts lighttight made, and for example black plastic perhaps has certain thickness metal etc.
This function portion 28 also comprises layer protecting film 281, and this diaphragm 281 mainly is made up of the plastics or the glass of the harder printing opacity of hardness, is used to protect internal structure.This diaphragm 281 will cover this light guide section 24 at least, can also further cover this first light shielding part 282.
This function portion 28 can also comprise that an infrared cut-off light filtering films (figure does not show) makes this function portion 28 also possess the function of filtering infrared light.Reduce infrared light and get into the temperature that light guide section 24 can reduce solar cell 30, the temperature of solar cell 30 is low, just can keep higher photoelectric transformation efficiency more muchly.
This solar cell 30 is located at resettlement section 50, and the sensitive surface of this solar cell 30 is towards this light guide section 24.In the present embodiment, this solar cell 30 is near this first surface 241.This solar cell 30 is used to receive the sunshine that gets into this light guide section 24 and reflected or reflect by this light guide section 24 through this diaphragm 281.This solar cell 30 can be merely a solar battery cell, also can be the combination of several solar battery cells.This solar cell 30 can be a silica-based solar cell, III-V compounds of group solar cell or the like.
This light source 32 is located at this resettlement section 50, and in the present embodiment, this light source 32 is near this second surface 242, and the light that this light source 32 sends is by these light guide section 24 reflections or reflect this illuminator 20.This light source 32 can be a LEDs, also can be the array that some LEDs constitute, and can send white light, perhaps coloured light such as RGB.This light source 32 is not limited to shown in the present embodiment with this solar cell 30 position resettlement section 50 in, otherwise block each other and receive light and luminous getting final product.
Because this illuminator 20 is a cylindrical structure, this solar cell 30 and light source 32 are strip, and height is close to improve the luminosity and the uniformity with the height of this illuminator 20.Can the bottom of this solar cell 30 and light source 32 be fixed on the base 42, also can this solar cell 30 and light source 32 be fixed on this second light shield layer 282.
This energy-storage battery 40 is electrically connected with this solar cell 30 and light source 32, is used to store the electric energy of these solar cell 30 outputs and is these light source 32 supply electric energy.This energy-storage battery 40 can be positioned within this base 42, also can be positioned at the surface of this base 42, and the center of illuminator 20 can also be positioned at this resettlement section 50.
On daytime, sunshine gets into this light guide section 24 through this brightness enhancement film 26, and this light guide section 24 repeatedly reflects this sunshine with reflecting part 21 or reflects and makes it get into this solar cell 30, and energy-storage battery 40 stores the electric energy that this solar cell 30 produces; At night, energy-storage battery 40 is light source 32 supply electric energy, and the light that light guide section 24 and reflecting part 21 send light source 32 reflects or reflects this illuminator 20, is used for illumination.Lighting device 10 provided by the invention is fit to be installed in outdoor lighting facilities such as street lamp.The height of this lighting device 10 and interior external diameter are all confirmed as required.
Preferably, be provided with a convergent lens 231 between this first surface 241 and this solar cell 30, be used for sunlight in this solar cell 30.
Preferably, be provided with a diverging lens 251 between this second surface 242 and this light source 32, the divergence of beam that is used for light source 32 is sent is to this light guide section 24, in this light guide section 24, is reflected or reflects light guide section 24.
In order further to improve the illumination uniformity of this lighting device 10, can also increase the number of light source 32.
Lighting device provided by the invention is column structure, and solar cell and light source are contained in the inside of this lighting device, compact conformation, and light-receiving area is equal basically with light-emitting area.
It is understandable that those skilled in the art also can do other variation in spirit of the present invention, all should be included within the present invention's scope required for protection.
Claims (10)
1. lighting device, it comprises:
An illuminator, this illuminator is a column structure, has central shaft, this illuminator comprises:
One near the reflecting part that also centers on this central shaft;
One away from the function portion that also centers on this central shaft; This function portion comprises one first light shielding part; Be provided with a light guide section and the resettlement section adjacent between this reflecting part and this function portion with this light guide section; This light guide section has a brightness enhancement film that is positioned at contiguous this function portion one side, and this resettlement section is positioned at the lightproof area that this first light shielding part limits;
A solar cell and a light source are contained in this resettlement section, and this solar cell is used to receive the sunshine that arrives through this light guide section and reflecting part, and the light that this light source sends penetrates this illuminator by this light guide section and reflecting part; And
An energy-storage battery is electrically connected with this solar cell and this light source, is used to store the electric energy of this solar cell output and is this light source supply electric energy.
2. lighting device as claimed in claim 1 is characterized in that, this illuminator also comprises one second light shielding part, and this second light shielding part is positioned at the week of this reflecting part and centers on this central shaft to block the light of this central axis direction of directive.
3. lighting device as claimed in claim 1 is characterized in that, is provided with a convergent lens in this resettlement section, is used for sunlight in this solar cell.
4. lighting device as claimed in claim 1 is characterized in that, is provided with a diverging lens in this resettlement section, and the divergence of beam that is used for light source is sent is to this light guide section.
5. lighting device as claimed in claim 1 is characterized in that the head and the tail of this reflecting part are mutually neat with the head and the tail of this light guide section.
6. lighting device as claimed in claim 1 is characterized in that, the material of this light guide section is PMMA or PC.
7. lighting device as claimed in claim 1 is characterized in that this function portion also comprises the diaphragm of a printing opacity, and this diaphragm is attached to the periphery of this brightness enhancement film to protect this light guide section.
8. lighting device as claimed in claim 1 is characterized in that, this brightness enhancement film comprises several micro prisms towards this function portion.
9. lighting device as claimed in claim 1 is characterized in that, the length of this light source is equal basically with the height of this illuminator.
10. lighting device as claimed in claim 1 is characterized in that, this function portion comprises that also one deck infrared cut-off light filtering films is with the filtering infrared light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010568562.8A CN102486283B (en) | 2010-12-01 | 2010-12-01 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010568562.8A CN102486283B (en) | 2010-12-01 | 2010-12-01 | Lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102486283A true CN102486283A (en) | 2012-06-06 |
| CN102486283B CN102486283B (en) | 2015-07-01 |
Family
ID=46151811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010568562.8A Expired - Fee Related CN102486283B (en) | 2010-12-01 | 2010-12-01 | Lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102486283B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237490A (en) * | 1992-07-07 | 1993-08-17 | Ferng Shing Lai | Solar power-operated, construction work warning lamp with focusing device for intensifying the intensity of light |
| CN101561106A (en) * | 2009-02-03 | 2009-10-21 | 太阳能产品制造有限公司 | Solar lighting device |
| DE202011103778U1 (en) * | 2011-07-06 | 2011-12-16 | Kögler GmbH & Co. KG | LED solar lantern or grave light |
| CN202466456U (en) * | 2011-11-03 | 2012-10-03 | 成都盛尔嘉科技有限公司 | Solar road pier |
-
2010
- 2010-12-01 CN CN201010568562.8A patent/CN102486283B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5237490A (en) * | 1992-07-07 | 1993-08-17 | Ferng Shing Lai | Solar power-operated, construction work warning lamp with focusing device for intensifying the intensity of light |
| CN101561106A (en) * | 2009-02-03 | 2009-10-21 | 太阳能产品制造有限公司 | Solar lighting device |
| DE202011103778U1 (en) * | 2011-07-06 | 2011-12-16 | Kögler GmbH & Co. KG | LED solar lantern or grave light |
| CN202466456U (en) * | 2011-11-03 | 2012-10-03 | 成都盛尔嘉科技有限公司 | Solar road pier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102486283B (en) | 2015-07-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20171201 |