CN105782904A - Light distribution element and illuminating device - Google Patents
Light distribution element and illuminating device Download PDFInfo
- Publication number
- CN105782904A CN105782904A CN201610277826.1A CN201610277826A CN105782904A CN 105782904 A CN105782904 A CN 105782904A CN 201610277826 A CN201610277826 A CN 201610277826A CN 105782904 A CN105782904 A CN 105782904A
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- CN
- China
- Prior art keywords
- light
- light source
- distribution element
- reflecting surface
- light distribution
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a light distribution element and an illuminating device. The light distribution element is set to have a first containing cavity which can at least partially contain a light source therein and a plurality of light guide parts which are arranged at the periphery of the first containing cavity in a surrounding way and arranged at intervals, and the output light of the light source is output by the light guide parts which are arranged at intervals after entering the first containing cavity. All output light of a light source module in the illuminating device provided with the light distribution element is output by the light guide parts of the light distribution element, and the illuminating angle of the illuminating device can be increased after second time of light distribution is performed by the light distribution element.
Description
Technical field
The invention belongs to technical field of semiconductor illumination, particularly to a kind of light distribution element and illuminator.
Background technology
LED light source has the advantage of the high and low heating of luminous efficiency, power saving and lamp life-span length, and therefore its application is more and more wider.Wherein, LEDbulb lamp, strip LED and LED spotlight apply ratio is wide.
On existing market, the structure of LEDbulb lamp is typically all and includes lamp housing, light source module and ball alveolitoid lampshade, and light source module is fixed on radiator, and LED lamp bead is flattened on light source module, and ball alveolitoid lampshade is connected with lamp housing after covering light source die group.But owing to LED lamp bead is flattened on light source module, LED lamp bead is outwards luminous by ball alveolitoid lampshade, and its irradiating angle is less than the irradiating angle of existing electric filament lamp.
Market also has the LED filament lamp of a kind of similar electric filament lamp, although can reach the irradiating angle of electric filament lamp on irradiating angle, but the chip on board that light source used by it is encapsulation, efficiency is low, weak heat-dissipating and cost high.
Summary of the invention
The invention aims to solve the problems referred to above, it is provided that a kind of light distribution element and apply the illuminator of this light distribution element.
For achieving the above object, the present invention provides a kind of light distribution element, described light distribution element is configured to have to be held light source the first host cavity in the inner at least partly and is located on the first host cavity periphery spaced some light guide sections, and the emergent ray of described light source enters after the first host cavity by spaced light guide section outgoing.
Further, described light distribution element also includes matrix, and described spaced some light guide sections are positioned at the outer surface of matrix, and described matrix includes a horizontal part and a vertical portion, and the both sides of described light guide section extend to the outer surface of described horizontal part and vertical portion.
Further, described light guide section includes three sides of the first reflecting surface, the second reflecting surface and light guiding surface, described first reflecting surface and the second reflecting surface are two sides that light guide section is relative, described light guiding surface is clipped between the first reflecting surface and the second reflecting surface, and the emergent ray of described light source is from described light guiding surface outgoing.
Further, described horizontal part is provided with some connection members.
Further, described connection member includes any one in grab, catching groove or adhesive member.
For achieving the above object, present invention also offers a kind of illuminator, it includes lamp housing, it is arranged at the light source assembly of described lamp housing one end, it is connected with described lamp housing and is arranged at the light distribution element that described light source assembly is peripheral, the lamp holder being connected with the described lamp housing other end and the driving power supply module being electrically connected with described light source assembly and lamp holder, wherein, described light distribution element is configured to have to be held described light source assembly the first host cavity in the inner at least partly and is located on the first host cavity periphery spaced some light guide sections, by spaced light guide section outgoing after emergent ray described first host cavity of entrance of described driving light source assembly.
Further, described light distribution element also includes matrix, and described first host cavity is arranged on the inside of described matrix, and described spaced light guide section is positioned on the outer surface of described matrix.
Further, described light guide section includes three sides of the first reflecting surface, the second reflecting surface and light guiding surface, first reflecting surface and the second reflecting surface are two sides that described light guide section is relative, described light guiding surface is clipped between the first reflecting surface and the second reflecting surface, and the emergent ray of described driving light source assembly is from described light guiding surface outgoing.
Further described illuminator also includes the support member coordinated with lamp housing, and described support member is housed in described first host cavity, and described light source assembly is arranged at the periphery of described support member.
Further, described support member includes pedestal and the locating dowel from the center outwardly convex of pedestal side.
Further, described support member and described housing form the second host cavity for housing described driving power supply module.
Further, described light source assembly includes some substrates that one end is electrically connected and is arranged at LED light source on each substrate, and described substrate is fixed in described locating dowel.
Further, described LED light source is vertically arranged on the substrate, the described groups of LED light source vertically formed a line and described light guiding surface one_to_one corresponding.
Further, described lamp housing is connected with the horizontal part of described matrix.
Further, described lamp housing includes insulation shell and is arranged at the metal shell inside described insulation shell, and described support member abuts with described metal shell.
Beneficial effect: compared with prior art, the embodiment of the present invention provides a kind of light distribution element and includes the illuminator of this light distribution element, by the setting of light guide section in light distribution element, make the emergent ray of light source assembly in portion disposed within all by the light guide section outgoing of this light distribution element, by the irradiating angle of this illuminator can be increased after the secondary light-distribution of this light distribution element.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
The solid of a kind of illuminator that Fig. 1 provides for the preferred embodiment of the present invention assembles schematic diagram.
Fig. 2 is the decomposed schematic diagram of Fig. 1.
Fig. 3 is the complete decomposing schematic representation of Fig. 1.
Fig. 4 is the complete decomposing schematic representation of another angle of Fig. 1.
The schematic perspective view of the light distribution element in a kind of illuminator that Fig. 5 provides for the preferred embodiment of the present invention.
Fig. 6 emit beam for a kind of illuminator inner light source assembly that the preferred embodiment of the present invention provides after light path schematic diagram.
Fig. 7 is the profile of line A-A along Fig. 1.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the specific embodiment of the invention and corresponding accompanying drawing, technical solution of the present invention is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Fig. 1 to Fig. 4 shows a kind of illuminator 100 that the preferred embodiment of the present invention provides, and is connected and is assembled in the lamp holder 5 that the light distribution element 1 of light source assembly 2 periphery is connected and the driving power supply module (not shown) being electrically connected with light source assembly 2 with lamp housing 4 other end with lamp housing 4 including lamp housing 4, the support member 3 being assembled in lamp housing 4 one end and light source assembly 2.Wherein, light distribution element 1 includes matrix 11 and is arranged at intervals at some light guide sections 13 of matrix 11 outer surface, matrix 11 be internally formed first host cavity 12, light guide section 13 is positioned on the outer surface of matrix 11.Above-mentioned illuminator 100 as a LED lamp for room lighting, can be installed on the various installation pedestal (not shown) having connected civil power, and above-mentioned installation pedestal can be arranged at the place such as indoor wall, ceiling.
Illustrate below for the annexation between each element and the element in the illuminator 100 that the preferred embodiment of the present invention provides.
As shown in Fig. 3, Fig. 4 and Fig. 7, lamp housing 4 includes insulation shell 41 and is arranged at the metal shell 42 inside insulation shell 41.Insulation shell 41 one end is provided with opening (sign), and insulation shell 41 inner surface is provided with some holding parts 43 for connecting light distribution element 1 near opening part, and metal shell 42 is internally formed first receiving space (sign).The other end at lamp housing 4 has a connecting portion (sign), and this connecting portion may be used for connecting lamp holder 5.In the present embodiment, insulation shell 41 can be made up of heat conduction plastic cement, and metal shell 42 can be made up of the metal material that the heat dispersions such as aluminum are strong, is respectively provided with good heat conductivity.Insulation shell 41 and metal shell 42 can be Overmolded, it is also possible to be assembled formation.In other embodiments, lamp housing 4 can also single layer structure.
As shown in Fig. 3, Fig. 4 and Fig. 7, support member 3 includes integrated pedestal 31 and the locating dowel 32 of the center outwardly convex from pedestal 31 side, locating dowel 32 is in prism-shaped, and the inside of pedestal 31 and locating dowel 32 is hollow, forms second receiving space (sign).Pedestal 31 is connected on metal shell 42, the wall outer surface of pedestal 31 is interference fitted in the side wall inner surfaces of metal shell 42, making support member 3 and lamp housing 4 be formed for housing the second host cavity 44 driving power supply module (not shown), second houses cavity 44 is the first receiving space and the merging of the second receiving space.Pedestal 31 is provided with two through holes 33, and above-mentioned through hole 33 is available for connecting and drives the cable (not shown) of power supply module and light source assembly 2 to pass.Support member 3 is made up of the metal material that the heat conductivity such as aluminum are strong.The metal shell 42 that support member 3 transfers heat to, is passed to the insulation shell 41 of its outer ring, is distributed by heat again through insulation shell 41 by metal shell 42.
As shown in Fig. 2 to Fig. 4 and Fig. 7, light source assembly 2 includes some substrates 21 that one end links together and is arranged at the LED light source 22 on each substrate 21.Substrate 21 is fixed on the continuous print lateral surface of locating dowel 32.LED light source 22 includes some vertically disposed LED luminescence units 23.Wherein, LED light source 23 can send white light (W), HONGGUANG (R), blue light (B) or green glow (G), and the LED luminescence unit 23 on each substrate 21 can any one in white light (W), HONGGUANG (R), blue light (B) and green glow (G).
Drive power supply module (not shown) can be housed in the second host cavity 44.Drive power supply module to include some components and parts, include but not limited to that LED drives controller chip, rectification chip, resistor, capacitor, electric fuse and coil etc., be installed on the substrate driving power supply module.Driving power supply module and lamp holder 5 to be electrically connected, lamp holder 5 can adopt the Multiple Types such as E40, E27 or E14.In other embodiments, power supply module is driven can also integral type to arrange with light source assembly 2.
As shown in Figures 2 to 7, light distribution element 1 is made up of isolation material, and such as optical-grade transparent plastics such as transparent PMMA or transparent PC, it carries out secondary light-distribution for the light that LED light source 22 is sent.Preferably, this light distribution element 1 is lens.
Concrete, light distribution element 1 includes matrix 11 and is arranged at intervals at some light guide sections 13 of matrix 11 outer surface.Matrix 11 be internally formed the first host cavity 12, for the locating dowel 32 that houses support member 3 and the light source assembly 2 being fixed in locating dowel 32.Concrete, matrix 11 includes a horizontal part 111 and vertical portion 121.Light guide section 13 is positioned on the outer surface of horizontal part 111 and vertical portion 121, and namely light guide section 13 connects horizontal part 111 and the vertical portion 121 of matrix 11 respectively.The horizontal part 13 that light distribution element 11 comprises, bottom has the par of larger area, then the setting for horizontal part 13 upper connector has broader selectivity, it is possible to arrange grab, catching groove or adhesive member on horizontal part 111 so that horizontal part 111 is connected with lamp housing 4.In the present embodiment, horizontal part 111 is provided with some grabs 14, and grab 14 and fixture block 42 snap connection, thus what realize between light distribution element 1 with lamp housing 4 fixing is connected.
Light guide section 13 includes three sides of first reflecting surface the 131, second reflecting surface 132 and light guiding surface 133.Wherein, first reflecting surface 131 and two sides that the second reflecting surface 132 is that light guide section 13 is relative, light guiding surface 133 is clipped between the first reflecting surface 131 and the second reflecting surface 132, the three of light guide section 13 side can be carried out surface finish, to the further frosted of light guiding surface 133 or solarization stricture of vagina, the uniform light making outgoing is soft, promotes illuminating effect.
As shown in Figure 6 and Figure 7, light source assembly 2 is housed in first host cavity 12, light guide section 13 and substrate 21 one_to_one corresponding, each light guiding surface 133 is in the overlay area of the shadow surface of its corresponding LED light source 22, the light that LED light source 22 sends is caused to be coupled into inside the light guide section 13 of lens 1, through inner full-reflection all in light guiding surface 133 surface outgoing.In the present embodiment, on the radiating surface of the axis of the LED light source 22 that the axis of each light guiding surface 133 is corresponding with it.The distance of the light-emitting area of LED light source 22 and the inner surface of matrix 11 is between 0.5mm-1mm, and the width of light guiding surface 133 is more than the width of its corresponding each LED 22, makes more light be coupled to inside light guide section 13.
In sum, the embodiment of the present invention provides a kind of light distribution element and includes the illuminator of this light distribution element, setting by the light guiding surface of light guide section in light distribution element and reflecting surface, the a part of light entering reflecting surface is finally all extended from light guiding surface, by the irradiating angle of illuminator can be increased after the secondary light-distribution of this light distribution element, make simultaneously illuminating device luminous after there is very special visual effect.Meanwhile, the illuminator of the embodiment of the present invention, simple in construction, easy to assembly.
Above-described instantiation; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only specific embodiments of the invention; it is not limited to the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (15)
1. a light distribution element, it is characterized in that, described light distribution element is configured to have to be held light source the first host cavity in the inner at least partly and is located on the first host cavity periphery spaced some light guide sections, and the emergent ray of described light source enters after the first host cavity by spaced light guide section outgoing.
2. light distribution element according to claim 1, it is characterized in that, described light distribution element also includes matrix, described spaced some light guide sections are positioned at the outer surface of matrix, described matrix includes a horizontal part and a vertical portion, and the both sides of described light guide section extend to the outer surface of described horizontal part and vertical portion.
3. light distribution element according to claim 2, it is characterized in that, described light guide section includes three sides of the first reflecting surface, the second reflecting surface and light guiding surface, described first reflecting surface and the second reflecting surface are two sides that light guide section is relative, described light guiding surface is clipped between the first reflecting surface and the second reflecting surface, and the emergent ray of described light source is from described light guiding surface outgoing.
4. the light distribution element according to Claims 2 or 3, it is characterised in that described horizontal part is provided with some connection members.
5. light distribution element according to claim 4, it is characterised in that described connection member is any one in grab, catching groove or adhesive member.
6. an illuminator, it includes lamp housing, it is arranged at the light source assembly of described lamp housing one end, it is connected with described lamp housing and is arranged at the light distribution element that described light source assembly is peripheral, the lamp holder being connected with the described lamp housing other end and the driving power supply module being electrically connected with described light source assembly and lamp holder, it is characterized in that, described light distribution element is configured to have to be held described light source assembly the first host cavity in the inner at least partly and is located on the first host cavity periphery spaced some light guide sections, by spaced light guide section outgoing after emergent ray described first host cavity of entrance of described driving light source assembly.
7. illuminator according to claim 6, it is characterised in that described light distribution element also includes matrix, described first host cavity is arranged on the inside of described matrix, and described spaced light guide section is positioned on the outer surface of described matrix.
8. light distribution element according to claim 7, it is characterized in that, described light guide section includes three sides of the first reflecting surface, the second reflecting surface and light guiding surface, described first reflecting surface and the second reflecting surface are two sides that described light guide section is relative, described light guiding surface is clipped between the first reflecting surface and the second reflecting surface, and the emergent ray of described driving light source assembly is from described light guiding surface outgoing.
9. the illuminator according to claim 6 or 8, it is characterised in that described illuminator also includes the support member coordinated with lamp housing, described support member is housed in described first host cavity, and described light source assembly is arranged at the periphery of described support member.
10. illuminator according to claim 9, it is characterised in that described support member includes pedestal and the locating dowel from the center outwardly convex of pedestal side.
11. illuminator according to claim 10, it is characterised in that described support member and described housing form the second host cavity for housing described driving power supply module.
12. illuminator according to claim 10, it is characterised in that described light source assembly includes some substrates that one end is electrically connected and is arranged at LED light source on each substrate, and described substrate is fixed in described locating dowel.
13. illuminator according to claim 12, it is characterised in that described LED light source is vertically arranged on the substrate, the described groups of LED light source vertically formed a line and described light guiding surface one_to_one corresponding.
14. illuminator according to claim 7, it is characterised in that described lamp housing is connected with the horizontal part of described matrix.
15. illuminator according to claim 14, it is characterised in that described lamp housing includes insulation shell and is arranged at the metal shell inside described insulation shell, and described support member abuts with described metal shell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610277826.1A CN105782904A (en) | 2016-04-28 | 2016-04-28 | Light distribution element and illuminating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610277826.1A CN105782904A (en) | 2016-04-28 | 2016-04-28 | Light distribution element and illuminating device |
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CN105782904A true CN105782904A (en) | 2016-07-20 |
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CN201610277826.1A Pending CN105782904A (en) | 2016-04-28 | 2016-04-28 | Light distribution element and illuminating device |
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Cited By (3)
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WO2018196564A1 (en) * | 2017-04-26 | 2018-11-01 | 苏州欧普照明有限公司 | Light-emitting module and illuminating device using same |
CN110173632A (en) * | 2019-06-24 | 2019-08-27 | 苏州欧普照明有限公司 | Candle lamp |
CN113586971A (en) * | 2021-08-06 | 2021-11-02 | 佘晓峰 | Lighting bulb |
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