CN201412775Y - Optical-design LED lamp based on DMD micro mirror - Google Patents
Optical-design LED lamp based on DMD micro mirror Download PDFInfo
- Publication number
- CN201412775Y CN201412775Y CN2009200424130U CN200920042413U CN201412775Y CN 201412775 Y CN201412775 Y CN 201412775Y CN 2009200424130 U CN2009200424130 U CN 2009200424130U CN 200920042413 U CN200920042413 U CN 200920042413U CN 201412775 Y CN201412775 Y CN 201412775Y
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- micro mirror
- led
- light fixture
- lampshade
- led lamp
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an optical-design LED lamp based on a DMD micro mirror, which comprises a lampshade (2) and an LED lamp grain (1) fixed in the lampshade (2) by a sealing compound, and ischaracterized in that a plurality of micro mirror arrays which are used for light reflex, are adjustable angle and formed by a micro mirror head (3) are arranged on the lampshade (2). The light path of the LED can be dynamically adjusted to achieve the required light path; and therefore, the performance index of the LED can be improved, and the application filed of the LED lamp is expanded. At thesame time, the optical-design LED lamp further has the advantages of simple structure, convenient manufacture and installation.
Description
Technical field
The utility model relates to a kind of LED light fixture, especially a kind of with DMD (dynamic mirrordevice) optical design and production control, MEMS, with the LED light fixture of the comprehensive changeable optical path of LED light fixture manufacturing technology, belong to fine manufacturing, the micro-electro-mechanical systems technical field that the micro-optics technology intersects of unifying, specifically a kind of LED light fixture based on the optical design of DMD micro mirror.
Background technology
Directly the illuminating product that uses blue chip to excite YAG fluorescent material to send white light is referred to as semiconductor lighting product.The White LED illuminating product is compared the 80%-90% that can economize on electricity with traditional incandescent lamp; And the life-span can reach 8-10 ten thousand hours, was more than 10 times of incandescent lamp, and significant advantage such as have energy-conserving and environment-protective, luminous volume is little, reliability is high and the life-span is long is the most competitive green light source product of 21st century.Develop rapidly along with semiconductor technology, the trend of various traditional lighting light source products has appearred tentatively substituting in high-power LED illumination technology at present, countries and regions such as America and Japan Korea Spro and Europe have all been listed it in the state key development plan, research and develop targetedly.Street lighting is the second largest illumination market except that domestic lighting market, but the consumption of electric energy is maximum, so how the various advantages with great power LED apply to this field, thereby reduce use and maintenance cost, life-saving significantly, energy savings becomes very important problem.Semiconductor LED lighting engineering development is very fast since 2000, and the white light LEDs luminous efficiency has reached about 40-60lm/W at present, has had in some special lighting fields very widely to use.But aspect single high power, high brightness, also significantly do not break through, needing very high street lamp field at luminous flux still is to adopt the lifting that the LED of 1w or 3w is realized luminous flux by the mode of assembled arrangement substantially, but thereupon aspect heat radiation, will bring very many problems, and adopt many heat dissipation technologys to have the means such as area of dissipation of air-cooled, water-cooled, increase shell to come distribute heat at present.Simultaneously because the light that a plurality of LED of employing as light-emitting component, adopt the light path of particular design that LED is sent usually is directed to the outside of lampshade.Large power white light LED also exists more or less problem in aspects such as cost, heat radiation, light efficiency and the driving desirable practical stage of distance, as middle low power LED widely used small-power super brightness white light LEDs that remains in lighting.Usually for the transmission of the light peak efficiency of LED is come out,, simultaneously light path is derived the lamp chamber according to the geometric curved surfaces of given optical design reflective surface.Commercial illumination white light LEDs adopts built-in reflector and potting resin lens etc. to form optical system one time, makes its light output have fixing mode.Generally can be divided into plain edition (shell shape encapsulation shape) and subsidiary reflector type forms such as (Piranha series LEDs), the angle of light output is different and different according to the curvature of reflector angles and package lens, mainly contain the branch of narrow beam and wide beam, can satisfy different illuminating light distribution needs.Except the design of integral body with make the curved surface of lampshade, producing various types of step plane like little minute surface at the lampshade face in addition derives light path, and this design is often used in the design of street lamp and automobile front.But from existing patent and relevant researching and analysing, present using method tends to make that deviation appears in light path because lampshade itself is made and the limitation of use, thereby causes the LED lamp can't meet the demands in a lot of needs are used with great visual angle.The invention provides a kind of design, thereby dynamically change light path, satisfy actual instructions for use based on DMD micro mirror change light path.
Summary of the invention
The problem that the purpose of this utility model can't self adaptation be adjusted at existing LED lamp output intensity designs a kind of LED light fixture based on the optical design of DMD micro mirror.
The technical solution of the utility model is:
A kind of LED lamp that has micro lens, comprise lampshade 2, LED lamp particle 1, LED lamp particle 1 is concentrated by sealing and is fixed in the lampshade 2, it is characterized in that being equipped with on lampshade 2 micro mirror array of being made up of micro lens 3 that multiaspect is used to reflect the adjustable-angle of LED lamp particle issued light.
Described micro mirror array adopts flexible pcb board to be connected with the piezoelectricity hinge, is fixed with the light intensity test sensor array at the edge of light fixture.
According to the utility model, the realization of micro mirror can cover the reflective film of one deck at the inner surface of the lampshade of light fixture, on lampshade, offer simultaneously the technology pin-and-hole, motion control by being installed in the pin in the pin-and-hole is in the normal direction angle of the micro mirror of pin end reflective membrane, change the light path of the light of LED, improve the output light flux of LED at reflective surface.
According to the utility model, micro mirror array can adopt coating reflector layer acquisition on deformable surface.
According to the utility model, micro mirror array can adopt at the reflective surface of LED light fixture and coat specific coatings, through light path emulation, carries out the reflective characteristic acquisition of etching or change ad-hoc location at coating surface with the figure of extraordinary design.
According to the utility model, in the process that the LED light fixture is made, adopt the ad-hoc location processing micro mirror plane of free form surface moulding process at light fixture, change light path.
The beneficial effects of the utility model are:
But the light path of the utility model dynamic adjustments LED, thus reach the light path that needs, improve the performance indications of LED, expanded the application of LED lamp.
The utility model project organization is simple, makes easy for installation.
Description of drawings
The structural representation of Fig. 1 LED lamp of the present utility model.
Among the figure:
1, LED lamp particle, 2, lampshade, 3,4,7,8, the DMD micro mirror, 5,6, light.
The specific embodiment:
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1.
A kind of LED lamp that has micro lens, comprise lampshade 2, LED lamp particle 1, LED lamp particle 1 is concentrated by sealing and is fixed in the lampshade 2, and the micro mirror array of being made up of micro lens 3 that multiaspect is used to reflect the adjustable-angle of LED lamp particle issued light is installed on lampshade 2.
A kind of implementation method of the present utility model is as follows: in the process of LED Design of Luminaires, according to the arrangement mode of LED particle, design the light path of each single light source, emulation simultaneously is in the distribution of the light intensity of light fixture output face.At the inner surface of light fixture, the fixing micro mirror of one deck flexible PCB is installed, install at the ad-hoc location of lamp housing and regulate pin.Find light path and emulation not always when detection faces, the position of regulating micro mirror changes light path.As can be seen from Figure 1; Light source 1 emits beam 5,6 through lampshade 2 reflections, and light penetrates lampshade.In the use of reality, iff reflecting by lampshade, the regulating power of light weakens, so cover DMD device 3,4,7,8 at lampshade inner surface; Angle by regulating the DMD micro mirror can FEEDBACK CONTROL light fixture light 5,6 direction.This design is significant for big headlight of automobile and road lighting lantern.
Specifically, be exactly inner surface at the LED light fixture of having made according to optical design, one deck micro mirror array is installed, this micro mirror array adopts flexible pcb board to be connected with the piezoelectricity hinge.The fixing sensor array of certain light intensity test at the edge of light fixture, in the use of reality, according to the instructions for use of light fixture, by special purpose model and software, the angle and direction of the dynamic micro mirror of dynamic adjustments, thus will install and use the optical path change of the LED light fixture that causes to change.
A kind of simple realization method of the present utility model is installing and using in the process in reality, micro mirror array on the pcb board is corresponding one by one with the LED particle, installed surface type or ring-like testing arrangement in adjustment process, on the shell of light fixture, install and regulate pin, according to the installation physical dimension of reality and the result of test, utilize the ideal path of optics software emulation light path, thereby regulate the delivering path of light path reality.
According to the utility model, micro mirror array can adopt flexible reflection aluminium flake at ad-hoc location sliding pin to be installed and realize.Utilize relevant software (for example ZMAX), according to the actual measured value of geometrical property, LED installation site characteristic and the luminous flux sensor of the arrangement of LED particle, light fitting reflecting cover, the light path of design LED particle in lampshade.The measured value of position deviation and luminous flux during the utility model can use according to reality, compare design load and measured value, change the transmission route of light path at designs fix point, by the on-line measurement light flux values, the displacement and the rotational angle of control sliding pin, thereby the normal direction angle of the aluminium foil reflecting surface of change sliding pin position are because mirror angle changes, thereby the light path of LED particle light dynamically changes, so the luminous flux of measuring is also along with change.
According to the utility model, micro mirror array can use in single LEDs light fixture, also can use in the light fixture of plurality of LEDs particle.
According to the utility model, micro mirror array can adopt coating reflector layer acquisition on deformable surface.
According to the utility model, micro mirror array can adopt at the reflective surface of LED light fixture and coat specific coatings, through light path emulation, carries out the reflective characteristic acquisition of etching or change ad-hoc location at coating surface with the figure of extraordinary design.
According to the utility model, in the process that the LED light fixture is made, adopt the ad-hoc location processing micro mirror plane of free form surface moulding process at light fixture, change light path.
Claims (5)
1, a kind of LED light fixture based on the optical design of DMD micro mirror, comprise lampshade (2), LED lamp particle (1), LED lamp particle (1) is fixed in the lampshade (2) by sealing, it is characterized in that being equipped with on lampshade (2) micro mirror array of being made up of micro lens (3) that multiaspect is used for the adjustable-angle of light reflection.
2, the LED light fixture based on the optical design of DMD micro mirror according to claim 1 is characterized in that described micro mirror array adopts flexible pcb board to be connected with the piezoelectricity hinge, is fixed with the light intensity test sensor array at the edge of light fixture.
3, the LED light fixture based on the optical design of DMD micro mirror according to claim 1 is characterized in that described micro mirror array adopts flexible reflection aluminium flake at ad-hoc location sliding pin to be installed and realizes.
4, the LED light fixture based on the optical design of DMD micro mirror according to claim 1 is characterized in that described micro mirror array adopts coating reflector layer acquisition on deformable surface.
5, the LED light fixture based on the optical design of DMD micro mirror according to claim 1 is characterized in that described micro mirror array is to adopt the free form surface moulding process on micro mirror plane that the ad-hoc location of light fixture processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200424130U CN201412775Y (en) | 2009-06-19 | 2009-06-19 | Optical-design LED lamp based on DMD micro mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200424130U CN201412775Y (en) | 2009-06-19 | 2009-06-19 | Optical-design LED lamp based on DMD micro mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412775Y true CN201412775Y (en) | 2010-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200424130U Expired - Fee Related CN201412775Y (en) | 2009-06-19 | 2009-06-19 | Optical-design LED lamp based on DMD micro mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412775Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831408A (en) * | 2017-09-15 | 2018-03-23 | 河北省电力建设调整试验所 | A kind of universal design of ultra high-frequency partial discharge sensor, optimization and method of testing |
-
2009
- 2009-06-19 CN CN2009200424130U patent/CN201412775Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831408A (en) * | 2017-09-15 | 2018-03-23 | 河北省电力建设调整试验所 | A kind of universal design of ultra high-frequency partial discharge sensor, optimization and method of testing |
| CN107831408B (en) * | 2017-09-15 | 2020-02-21 | 河北省电力建设调整试验所 | General design optimization method for ultrahigh frequency partial discharge sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20150619 |
|
| EXPY | Termination of patent right or utility model |