CN104791633B - A kind of LED machinery mould group of tunable optical beam angle - Google Patents
A kind of LED machinery mould group of tunable optical beam angle Download PDFInfo
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- CN104791633B CN104791633B CN201510206456.8A CN201510206456A CN104791633B CN 104791633 B CN104791633 B CN 104791633B CN 201510206456 A CN201510206456 A CN 201510206456A CN 104791633 B CN104791633 B CN 104791633B
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- radiator
- beam angle
- ring support
- reflector
- led
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Classifications
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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
- F21V17/16—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 by deformation of parts; Snap action mounting
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
-
- 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
- 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
- F21V17/12—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 by screwing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of LED machinery mould groups of tunable optical beam angle, include LED light source, radiator, reflector, fixed ring support, tabletting, spring element, loose collar, planar wave lens, fixing piece and outer ring；The LED light source and tabletting passes sequentially through screw I and is fixedly mounted on radiator；The reflector is fixedly mounted on fixed ring support；The fixing piece and plane optical lens is sequentially arranged on loose collar；The loose collar and spring element is successively fixedly mounted between fixed ring support and outer ring, and outer ring is fixed on fixed ring support；The fixation ring support is fixedly mounted on different types of radiator.The present invention is ingenious in design, compact-sized, convenient for disassembly and assembly, easy to operate, at low cost, applied widely without dismantling the occasion use that just can satisfy at any required transformation beam angle.
Description
Technical field
The invention patent belongs to headlamp technical field, is related to a kind of LED machinery mould group of tunable optical beam angle.
Background technique
In illuminator industry, when beam angle is that beam center line is reduced to the 50% of center line largest light intensity to light intensity
Angle, the spot size and light intensity of lamps and lanterns are specifically reflected, even if same light source will when using different beam angles
Different illuminating effects is generated, usually beam angle is bigger, and intermediate light intensity is weaker, and hot spot is bigger, and the dispersion effect of light is better, week
It is stronger to enclose ambient light, and beam angle is smaller, intermediate light intensity is stronger, and hot spot is smaller, and the dispersion effect of light is poorer, surrounding environment light
Line is weaker.It needs lamps and lanterns that there is different illuminating effects according to different situations in lamps and lanterns use site, changes lamps and lanterns light beam
Angle is usually to use the different lamps and lanterns of another beam angle, or be connected through a screw thread and set using a vehicle part pressure ring
A removable structure is counted, is replaced by the way that each lamps and lanterns are increased with the spare lens of several different beam angles, this
Two ways is not well positioned to meet requirement of the people to lamps and lanterns difference beam angle, and colleague leads to excessive optics replacement spare part
Increase the wasting of resources.
Chinese patent: application number 201420360196.0 discloses a kind of LED smallpox shot-light of adjustable light beam angle, packet
Include lamp bracket, circlip, lamp ring, lampshade, reflector, radiator lamp body, heat-conducting plate, cableties plate, cableties, electric wire, lamp bracket screw, light source
Screw, heat-conducting plate screw and cableties plate screw, further include aperture, and the lamp bracket is arranged outside lamp ring, and lampshade is arranged in lamp ring；
The aperture is installed on the inside of lampshade；It is light-emitting LED setting heat-conducting plate front on, reflector be placed in lampshade and it is light-emitting LED it
Between；Heat-conducting plate is fixed in radiator lamp body in abdomen plane, and cableties plate is fixed on radiator lamp body outerplanar；Cableties are fixed on
On cableties plate, electric wire is buckled on cableties.The adjusting light beam of the LED smallpox shot-light of the adjustable light beam angle of the utility model is to pass
System mode, there is also effective light losses, and the not full and serious secondary aperture phenomenon of larger, hot spot is led to the problem of.
Chinese patent: application number 201420021287.1 discloses a kind of lamps and lanterns at adjustment beam angle comprising lamps and lanterns
Ontology,
Light fitting body one end is provided with revolving part and light source assembly, and revolving part can be rotated relative to light fitting body, light source assembly
Including light source and the hinged shaft supporting frame for being fixed on light fitting body, hinged shaft supporting frame is provided with articulated shaft, the top hinge of light source
It is connected to articulated shaft, the lower hinge of light source has the head part perpendicular to articulated shaft, and light fitting body is further fixed on locating piece, and head part passes through
Locating piece is abutted with the inner wall of revolving part, the inner wall of revolving part be along the symmetrical cam contour surface in the center of circle of revolving part, head part
One end is equipped with locating part, and elastic component is equipped between locating part and locating piece.The lamps and lanterns solution at the adjustment beam angle of the utility model
Determined part adjusting light beam the problem of, but there is also structure is complicated and it is not easy to operate, effective light loss is larger, hot spot not
The problems such as full and serious secondary aperture phenomenon generates.
The lamps and lanterns at existing adjustment beam angle are there is also following disadvantage, and structure is complicated, operate not easy, effective light loss
The not full and serious secondary aperture phenomenon of larger, hot spot is led to the problem of.
Summary of the invention
It is an object of the invention to the deficiencies of the lamps and lanterns for existing adjustment beam angle, and it is simple to provide a kind of structure, and
It is easy to operate, easy to use, the LED machinery mould for the tunable optical beam angle that effective light loss is small, hot spot is full and secondary aperture phenomenon is few
Group.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of LED machinery mould group of tunable optical beam angle includes LED light source, radiator and reflector, LED light source installation
In on radiator, radiator is equipped with planar wave lens, it is characterized in that: further include have fixed ring support, tabletting, spring element,
Loose collar, planar wave lens, fixing piece and outer ring；The LED light source and tabletting pass sequentially through screw I be fixedly mounted on it is scattered
On hot body；The reflector is fixedly mounted on fixed ring support；The fixing piece and plane optical lens is sequentially arranged at
On loose collar；The loose collar and spring element is successively fixedly mounted between fixed ring support and outer ring, and outer ring is fixed on
Determine on ring support；The fixation ring support is fixedly mounted on radiator.
Above-described loose collar inner wall is uniformly provided with 2 to 5 guide grooves；The reflector is equipped with corresponding with guide groove
Guide post, the outer rim of reflector is equipped with buckle.
Above-described guide groove is that irregular slot is spliced.
Above-described fixed ring support includes elastic force slot, external annulus and internal ring wall, and elastic force slot is located at external annulus and inner ring
Between wall, external annulus and internal ring wall are equipped with buckle mouth.
Above-described planar wave lens are Fresnel Lenses.
Above-described spring element is special irregular compression spring.
The outer rim of above-described outer ring is equipped with buckle；The inner wall of the radiator is equipped with buckle.
Above-described reflector is efficient reflector.
The LED machinery mould group working principle of this tunable optical beam angle:
Project of the present invention is to be fixed on different radiators in fixed ring support by screw II, and LED light source passes through spiral shell
Nail I and tabletting are fixed on radiator, and efficient reflector is fixed by snap on fixed ring support, are designed on efficient reflector
There is a guide post, loose collar inner wall is equipped with a guide groove, and guide post can pass through on fixing piece along guide groove movement, Fresnel Lenses
Buckle is fixed on loose collar, and for elastic spring by compression loaded between fixed ring support and loose collar, outer ring is solid by buckle
Due on fixed ring support, fixing piece and outer ring are pressed against by elastic spring, and guide post is on the H point of guide groove at this time, are made
The light-emitting surface for obtaining Fresnel Lenses and LED light source forms a distance L1.In use, when being pressed down outside Fresnel Lenses with finger
When surface, fixing piece, Fresnel Lenses and loose collar just follow guide post to be moved downwardly under guide groove from H point along guide groove, when
It unclamps finger guide post and is moved to D point, compression spring moves fixing piece, Fresnel Lenses and loose collar up at this time, at this time LED
The light-emitting surface and Fresnel Lenses of light source just form another distance L2；Continued to press down Fresnel Lenses outer surface with finger again
When, fixing piece, Fresnel Lenses and loose collar just follow guide post to move downward along guide groove, when the F point movement on guide groove, work as pine
When opening finger pressure, compression spring makes fixing piece, Fresnel Lenses and loose collar move to E point down, when release finger
When guide post from E to move to F point fixed, LED light-emitting surface and lens just form another distance L3 at this time；It is pressed down again phenanthrene
When Nie Er lens outer surface, fixing piece, Fresnel Lenses and loose collar just follow guide post to be moved downwardly to G point along guide groove, when
Guide post moves to that H point is fixed, and the light-emitting surface of LED light source returns at a distance from Fresnel Lenses at this time from G when unclamping finger
To initial distance L1.When Fresnel Lenses and LED light source distance are L1, when L2, L3 because apart from it is different due to forms 3 difference lamps
Has beam angle.
Beneficial effects of the present invention:
The present invention makes the present invention very convenient when dismounting using the fixed form of buckle, by downward when use
Fresnel Lenses is pressed, so that the point that Fresnel Lenses is different from being fixed on three, so that Fresnel Lenses and LED light source form three
A different distance is different and forms 3 different lamps beam angles, and the different beam angle requirement of Same Scene reduces each canal
The stock cost in road, it is ingenious in design, compact-sized, it is convenient for disassembly and assembly, it is easy to operate, it is at low cost, it can expire without disassembly
Occasion of the foot at any required transformation beam angle uses, applied widely, simultaneously as being that the efficient reflector of matching and plane are saturating
The optical mode that mirror combines keeps light output loss in its different angle and high process full less than 3%, hot spot effect, to solve
It has determined traditional convex lens and the problem of apart from bad hot spot that zoom generates and secondary aperture.
Detailed description of the invention
Attached drawing 1 is the LED machinery mould splits solution structure schematic diagram of the tunable optical beam angle of embodiment；
Attached drawing 2 is the LED machinery mould group assembling structure schematic cross-sectional view of the tunable optical beam angle of embodiment；
Attached drawing 3 is the loose collar structure enlargement diagram of embodiment；
Attached drawing 4 is the efficient reflecting cup structure enlarged diagram of embodiment.
It is identified in figure: 1- outer ring, 2- fixing piece, 3- planar wave lens, 4- loose collar, 5- reflector, 6- screw I, 7-
Tabletting, 8-LED light source, 9- spring element, 10- screw II, 11- fixed ring support, 12- radiator, 13- guide groove, 14- guide post, 15-
Buckle.
Specific embodiment
With reference to the accompanying drawings, described in further detail to the specific embodiment of the invention patent.
Embodiment 1:
As shown in Figure 1, 2, the LED machinery mould group of a kind of tunable optical beam angle, include LED light source 8, radiator 12 and efficiently
Reflector 5, LDE lamp are installed on radiator 12, and it further includes having fixed ring support that radiator 12, which is equipped with planar wave lens 3,
11, tabletting 7, spring element 9, loose collar 4, planar wave lens 3, fixing piece 2 and outer ring 1.LED light source 8 and tabletting 7 pass sequentially through
Screw I is fixedly mounted on radiator 12.Above-described spring element 9 is compression spring, fixed ring support 11 include elastic force slot,
External annulus and internal ring wall, elastic force slot are located between external annulus and internal ring wall, and buckle mouth is designed on external annulus and internal ring wall.Outer ring
1 outer rim is equipped with buckle, and the inner wall of radiator 12 is equipped with buckle, and 4 inner wall of loose collar is uniformly provided with 3 guide grooves, and guide groove is not
Regular slot is spliced, and three are formed in guide groove from Fresnel Lenses apart from different fixed points.Efficient reflector 5 be equipped with
Corresponding 3 guide posts of guide groove, the outer rim of efficient reflector 5 are equipped with buckle, and efficient reflector 5 is equipped with buckle by outer rim and fixes
It is mounted on fixed ring support 11 with the buckle mouth of inner ring, fixing piece 2 and plane optical lens 3 are sequentially arranged on loose collar 4, living
Rotating ring 4 and compression spring are successively fixedly mounted between fixed ring support 11 and outer ring 1, and outer ring 1 is fixed on fixed ring support 11
On, fixed ring support 11 is fixedly mounted on radiator 12 by screw II.
Embodiment 2:
As shown in Figure 1, 2, the LED machinery mould group of a kind of tunable optical beam angle, include LED light source 8, radiator 12 and efficiently
Reflector 5, LDE lamp are installed on radiator 12, radiator 12 be equipped with Fresnel Lenses, further include have fixed ring support 11,
Tabletting 7, spring element 9, loose collar 4, planar wave lens 3, fixing piece 2 and outer ring 1.LED light source 8 and tabletting 7 pass sequentially through spiral shell
Nail I is fixedly mounted on radiator 12.Above-described spring element 9 is compression spring, and fixed ring support 11 includes elastic force slot, outer
Ring wall and internal ring wall, elastic force slot are located between external annulus and internal ring wall, and buckle mouth is designed on external annulus and internal ring wall.Outer ring 1
Outer rim be equipped with buckle, the inner wall of radiator 12 is equipped with buckle, and 4 inner wall of loose collar is uniformly provided with 2 guide grooves, and guide groove is not advise
Then slot is spliced, and three are formed in guide groove from Fresnel Lenses apart from different fixed points.Efficient reflector 5 is equipped with and leads
Corresponding 2 guide posts of slot, the outer rim of efficient reflector 5 are equipped with buckle, efficient reflector 5 by outer rim be equipped with buckle it is fixed and
The buckle mouth of inner ring is mounted on fixed ring support 11, and fixing piece 2 and plane optical lens 3 are sequentially arranged on loose collar 4, activity
Ring 4 and compression spring are successively fixedly mounted between fixed ring support 11 and outer ring 1, and outer ring 1 is fixed on fixed ring support 11,
Fixed ring support 11 is fixedly mounted on radiator 12 by screw II.
Embodiment 3:
As shown in Figure 1, 2, the LED machinery mould group of a kind of tunable optical beam angle, include LED light source 8, radiator 12 and efficiently
Reflector 5, LDE lamp are installed on radiator 12, radiator 12 be equipped with Fresnel Lenses, further include have fixed ring support 11,
Tabletting 7, spring element 9, loose collar 4, planar wave lens 3, fixing piece 2 and outer ring 1.LED light source 8 and tabletting 7 pass sequentially through spiral shell
Nail I is fixedly mounted on radiator 12.Above-described spring element 9 is compression spring, and fixed ring support 11 includes elastic force slot, outer
Ring wall and internal ring wall, elastic force slot are located between external annulus and internal ring wall, and buckle mouth is designed on external annulus and internal ring wall.Outer ring 1
Outer rim be equipped with buckle, the inner wall of radiator 12 is equipped with buckle, and 4 inner wall of loose collar is uniformly provided with 5 guide grooves, and guide groove is not advise
Then slot is spliced, and three are formed in guide groove from Fresnel Lenses apart from different fixed points.Efficient reflector 5 is equipped with and leads
Corresponding 5 guide posts of slot, the outer rim of efficient reflector 5 are equipped with buckle, efficient reflector 5 by outer rim be equipped with buckle it is fixed and
The buckle mouth of inner ring is mounted on fixed ring support 11, and fixing piece 2 and plane optical lens 3 are sequentially arranged on loose collar 4, activity
Ring 4 and compression spring are successively fixedly mounted between fixed ring support 11 and outer ring 1, and outer ring 1 is fixed on fixed ring support 11,
Fixed ring support 11 is fixedly mounted on radiator 12 by screw II.
When work:
Fixation ring support of the invention is fixed on radiator by screw II, and LED light source is fixed by screw I and tabletting
In on radiator, efficient reflector is fixed by snap on fixed ring support, and design has a guide post on efficient reflector, activity
Ring inner wall is equipped with a guide groove, and guide post can be fixed on activity by the buckle on fixing piece along guide groove movement, Fresnel Lenses
On ring, for elastic spring by compression loaded between fixed ring support and loose collar, outer ring is fixed by snap in fixed ring support
On, fixing piece and outer ring are pressed against by elastic spring, and guide post is on the H point of guide groove at this time so that Fresnel Lenses with
The light-emitting surface of LED light source forms a distance L1.In use, when pressing down Fresnel Lenses outer surface with finger, fixing piece,
Fresnel Lenses and loose collar just follow guide post to be moved downwardly under guide groove from H point along guide groove, move when unclamping finger guide post
Move D point, compression spring moves fixing piece, Fresnel Lenses and loose collar up at this time, at this time the light-emitting surface of LED light source with
Fresnel Lenses just forms another distance L2；When continuing to press down Fresnel Lenses outer surface with finger again, fixing piece, Fei Nie
That lens just follow guide post to move downward along guide groove with loose collar, when the F point movement on guide groove, when unclamping finger pressure,
Compression spring makes lens mount, Fresnel Lenses and loose collar move to E point down, and when unclamping finger, guide post is from E
It is fixed to move to F point, LED light-emitting surface and lens just form another distance L3 at this time；It is pressed down again Fresnel Lenses
When outer surface, fixing piece, Fresnel Lenses and loose collar just follow guide post to be moved downwardly to G point along guide groove, when release finger
When guide post from G to move to H point fixed, at this time the light-emitting surface of LED light source revert at a distance from Fresnel Lenses initially away from
From L1.When Fresnel Lenses and LED light source distance are L1, when L2, L3 because apart from it is different due to form 3 different lamps light beams
Angle.
Embodiment described above, only more preferably one of concrete mode of the invention, those skilled in the art are at this
The usual variations and alternatives carried out within the scope of inventive technique scheme should be all included within the scope of the present invention.
Claims (6)
1. a kind of LED machinery mould group of tunable optical beam angle includes LED light source (8), radiator (12) reflector (5), LED light
Source is installed on radiator (12) planar wave lens (3), it is characterized in that: further including having fixed ring support (11), tabletting (7), bullet
Power part (9), loose collar (4), fixing piece (2) and outer ring (1)；The LED light source (8) and tabletting (7) passes sequentially through screw I
(6) it is fixedly mounted on radiator (12)；The reflector (5) is fixedly mounted on fixed ring support (11)；Described consolidates
Determine part (2) and plane optical lens (3) is sequentially arranged on loose collar (4)；The loose collar (4) and spring element (9) is successively solid
Dingan County is mounted between fixed ring support (11) and outer ring (1), and outer ring (1) is fixed on fixed ring support (11)；The fixation
Ring support (11) is fixedly mounted on radiator (12)；Described loose collar (4) inner wall is uniformly provided with 2 to 5 guide grooves；Described
Reflector (5) is equipped with guide post corresponding with guide groove, and the outer rim of reflector (5) is equipped with buckle；The guide groove (13) is not
Regular slot is spliced.
2. the LED machinery mould group of tunable optical beam angle according to claim 1, it is characterized in that: the fixation ring support
It (11) include elastic force slot, external annulus and internal ring wall, elastic force slot is located between external annulus and internal ring wall, on external annulus and internal ring wall all
Equipped with buckle mouth.
3. the LED machinery mould group of tunable optical beam angle according to claim 1, it is characterized in that: the planar wave lens
It (3) is Fresnel Lenses.
4. the LED machinery mould group of tunable optical beam angle according to claim 1, it is characterized in that: the spring element (9) is pressure
Power spring.
5. the LED machinery mould group of tunable optical beam angle according to claim 1, it is characterized in that: the outer rim of the outer ring (1)
Equipped with buckle；The inner wall of the radiator (12) is equipped with buckle.
6. the LED machinery mould group of tunable optical beam angle according to claim 1, it is characterized in that: the reflector (5) is height
Imitate reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206456.8A CN104791633B (en) | 2015-04-28 | 2015-04-28 | A kind of LED machinery mould group of tunable optical beam angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206456.8A CN104791633B (en) | 2015-04-28 | 2015-04-28 | A kind of LED machinery mould group of tunable optical beam angle |
Publications (2)
| Publication Number | Publication Date |
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| CN104791633A CN104791633A (en) | 2015-07-22 |
| CN104791633B true CN104791633B (en) | 2019-03-29 |
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| CN201510206456.8A Active CN104791633B (en) | 2015-04-28 | 2015-04-28 | A kind of LED machinery mould group of tunable optical beam angle |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871083B (en) * | 2017-03-07 | 2023-08-08 | 太龙电子股份有限公司 | LED lamp structure capable of adjusting light beam angle |
| CN106931321B (en) * | 2017-03-30 | 2023-02-14 | 太龙电子股份有限公司 | Novel LED angle-adjustable lamp structure |
| EP3835651B1 (en) * | 2018-02-05 | 2024-09-04 | Neonlite Distribution Limited | Reflector lamp with push-push adjustment assembly for varying a light beam angle thereof |
| CN109708043B (en) * | 2018-12-28 | 2021-04-30 | 常州市凯飞照明科技有限公司 | Direction-adjustable LED landscape lamp |
| CN110360512A (en) * | 2019-07-29 | 2019-10-22 | 常州工学院 | A kind of efficient variable beam angle irradiation unit |
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|---|---|---|---|---|
| CN203286526U (en) * | 2013-05-28 | 2013-11-13 | 深圳市振红旗科技有限公司 | Cold heading type LED lamp capable of conveniently dissipating heat |
| CN203533360U (en) * | 2013-10-12 | 2014-04-09 | 无锡三菱日机科技有限公司 | Tube lamp structure with adjustable beam angle |
| CN203927639U (en) * | 2014-07-02 | 2014-11-05 | 张玉飞 | A kind of LED smallpox shot-light of adjustable light beam angle |
| CN204554460U (en) * | 2015-04-28 | 2015-08-12 | 深圳市振红旗科技有限公司 | A kind of LED machinery module of tunable optical beam angle |
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2015
- 2015-04-28 CN CN201510206456.8A patent/CN104791633B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203286526U (en) * | 2013-05-28 | 2013-11-13 | 深圳市振红旗科技有限公司 | Cold heading type LED lamp capable of conveniently dissipating heat |
| CN203533360U (en) * | 2013-10-12 | 2014-04-09 | 无锡三菱日机科技有限公司 | Tube lamp structure with adjustable beam angle |
| CN203927639U (en) * | 2014-07-02 | 2014-11-05 | 张玉飞 | A kind of LED smallpox shot-light of adjustable light beam angle |
| CN204554460U (en) * | 2015-04-28 | 2015-08-12 | 深圳市振红旗科技有限公司 | A kind of LED machinery module of tunable optical beam angle |
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| CN104791633A (en) | 2015-07-22 |
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