CN106151894A - LED light unit - Google Patents
LED light unit Download PDFInfo
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- CN106151894A CN106151894A CN201610686843.0A CN201610686843A CN106151894A CN 106151894 A CN106151894 A CN 106151894A CN 201610686843 A CN201610686843 A CN 201610686843A CN 106151894 A CN106151894 A CN 106151894A
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- Prior art keywords
- led
- module
- reflector
- optical mask
- pwm
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Links
- 230000003287 optical effect Effects 0.000 claims abstract description 49
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 239000004411 aluminium Substances 0.000 claims abstract description 9
- 239000011324 bead Substances 0.000 claims abstract description 6
- 238000009826 distribution Methods 0.000 claims description 25
- 239000003292 glue Substances 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 18
- 238000013461 design Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/03—Gas-tight or water-tight arrangements with provision for venting
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
Abstract
The LED light unit that the present invention provides, including optical mask, reflector, LED lamp panel and driving module, LED lamp panel is posted LED lamp bead, drives module to include aluminium base, aluminium base is furnished with LED drive circuit.LED drive circuit includes dimming controlling module, filter rectification module and high-voltage linear constant flow module, dimming controlling module is connected by dim signal end and high-voltage linear constant flow module, filter rectification module one end and electric main connect, the other end and high-voltage linear constant flow module connect, and LED and loop thereof that high-voltage linear constant flow module is parallel with one another with least one set are connected；Reflector is embedded in optical mask, and LED lamp panel is fixed on reflector.The LED light unit that the present invention provides, not only illumination evenness, light mixing effect is good, dazzle is low, and is substantially reduced development cost, convenient for cleaning and maintenance.
Description
Technical field
The invention belongs to technical field of semiconductor illumination, be specifically related to a kind of LED light unit.
Background technology
In recent years due to the development of LED technology, LED illumination has begun to by most of customer acceptances and uses, various LED
Light fixture emerges in an endless stream, and the structure of LED light unit is the most varied.Existing LED light unit mostly uses extra LED to drive
Galvanic electricity source is driven, and increases certain cost and extra volume to LED lamp undoubtedly.Linear constant current drive circuit, it is possible to
Alternating current circuit is converted to DC circuit, can be used directly to drive LED, the most progressively be applied to LED illumination application, can
Drive power supply directly to substitute, whole lamp manufacturing cost is greatly reduced.But present linear constant current drive circuit the most all uses
Be that common IC chip is driven, the size of current of driving is controlled by IC chip, and the driving fan-out capability of IC chip
Limited, it is impossible to the linear constant current of output high pressure drives electric current, in order to obtain high-voltage linear constant-current driving electric current, can use polylith IC
The mode of chip superposition exports, and so, can cause again too much applying IC chip so that input voltage fluctuation or on
The when of liter, the power of whole lamp can rise quickly, causes the temperature of IC and the temperature of lamp bead to be substantially increased, and enters automatically too early
Overheat protector and overvoltage protection, cause light fixture flicker or turn off the light, and if being not added with jumbo electrochemical capacitor and carry out energy storage
If filtering, can produce the stroboscopic of 100HZ, poor reliability, safety is low.
Traditional LED light unit uses LED lens to carry out secondary light-distribution design, but existing LED lens are most of
Being designed for single light source, be provided with a LED chamber bottom lens, can only put a LEDs light source, lens surface is not
Smooth, uneven.Outdoor lamp is exposed in the air of the pollutant such as full dust, oil smoke, vehicle exhaust for a long time, lens measure
Face uneven easily Tibetan, covered with dust, lens surface affects light extraction efficiency after covering dust, luminous flux is greatly lowered.Meanwhile, often
The all corresponding lens of LEDs light source, luminous intensity distribution form is single, in irregular shape, and difficulty of processing is relatively big, manufacturing cost is higher.And
And, existing LED lamp is generally of multiple lens cover, it is impossible to carry out overall optical design, and light-use is insufficient.
Summary of the invention
To be solved by this invention is that existing LED light unit drives poor reliability, level of security low, luminous intensity distribution form list
One, the technical problem of overall optical design can not be carried out, it is provided that a kind of safety is good, reliability is high, luminous intensity distribution is various informative, only adopt
The LED light unit of overall optical design is carried out with an optical mask.
In order to solve the technical problem of the present invention, the present invention is achieved by the following technical solutions: LED light unit,
Including optical mask 1, reflector 2, LED lamp panel 3 and driving module 4, described LED lamp panel 3 is posted LED lamp bead, described driving
Module 4 includes aluminium base 41, and described aluminium base 41 is furnished with LED drive circuit 42；Described LED drive circuit 42 includes light modulation control
Molding block 421, filter rectification module 422 and high-voltage linear constant flow module 423, described dimming controlling module 421 is believed by light modulation
Number end 424 and high-voltage linear constant flow module 423 connect, and described filter rectification module 422 one end and electric main connect, the other end
Connect with high-voltage linear constant flow module 423, LED that described high-voltage linear constant flow module 423 is parallel with one another with least one set and
Loop connects；Described reflector 2 is embedded in described optical mask 1, and described LED lamp panel 3 is fixed on reflector 2.
Preferably, described dimming controlling module 421 include PWM-, resettable fuse F1, the first resistance R1, optocoupler U1,
Diode D1 and PWM+, described optocoupler U1 include an a light sensitive diode D2 and audion D3, described audion D3 current collection
Connect and be connected with dim signal end 424 after the second resistance R2 in pole, described audion D3 grounded emitter, described PWM-, self-recoverage
Electric fuse F1 and the first resistance R1 is connected with light sensitive diode D2 input successively, and described PWM+, diode D1 are successively with photosensitive
Diode D2 outfan connects.
Preferably, described drive circuit 42 also includes that TVS pipe, described TVS pipe are connected in parallel between PWM+ and PWM-, and one end is even
Being connected between PWM+ and diode D1, the other end is connected between PWM-and resettable fuse F1.
Preferably, described optical mask 1 is made for transparent material, and its outer surface is smooth surface, constitutes exiting surface 11, light
Learning face shield 1 inner surface is the plane of incidence 12, and optical mask 1 is internal is optical cavities 13.
Preferably, the described plane of incidence 12 mid portion is light distribution surface 121, and two end portions is smooth surface 122, described luminous intensity distribution
Both sides adjacent with smooth surface 122, face 121 are all respectively equipped with the stuck point 14 of location reflector 2.
Preferably, described light distribution surface 121 arranges multiple fold 1211, and described fold 1211 is sequentially connected with.
Preferably, described optical mask 1 longitudinally has a central axis 15, and described fold 1211 is on the central axis 15
Position is the highest, is gradually lowered to both sides.
Preferably, described reflector 2 is built in optical cavities 13；Described reflector 2 in "" shape, including a bottom surface
21 and two reflectings surface 22 extending upwardly to light distribution surface 121 from bottom surface 21；Described reflecting surface 22 and optical mask 1 are without sewing up
Close, positioned by stuck point 14.
Preferably, described light distribution surface 121 is clipped between said two reflecting surface 22, forms luminous intensity distribution region.
Preferably, center, described bottom surface 21 is provided with the window 211 laying light source, and described LED lamp panel 3 is fixed on window 211
On.
Preferably, described optical mask 1 is provided with marginal texture 16, and described marginal texture 16 has been evenly arranged for fixing
The hole, location 161 of optical mask 1, described marginal texture 16 is provided with marine glue ring recess 162.
Preferably, the thickness between described exiting surface 11 and the plane of incidence 12 is 1mm ~ 6mm.
Preferably, described reflector 2 is made for opaque high reflectance material.
Preferably, hole, described location 161 is arranged from inside to outside from marginal texture 16.
Preferably, described marine glue ring recess 162 is embedded with O-ring seal, improves IP degree of protection.
Preferably, described optical mask 1 is provided with respiratory organ, can improve waterproof ability, improves IP grade.
Preferably, described smooth surface 122 and the closing space of described reflecting surface 22 composition, it is used for laying electronics unit device
Part.
Preferably, described reflector 2 bottom surface 21 is additionally provided with screw hole 212, for reflector 2 is fixed on section bar.
Compared with prior art, the present invention obtains and provides the benefit that:
A kind of LED light unit disclosed by the invention, uses high-voltage linear constant-current driving, it is not necessary to extra power supply, significantly subtracts
Miscellaneous goods volume and cost, beneficially product Miniaturization Design.Filter rectification module can be prevented effectively from drives with high-voltage linear constant current
Dynamic LED lamp stroboscopic in use.The dimming controlling module two ends isolated by optocoupler U1 avoid directly electrical connection,
Not only effectively prevent between high-voltage control circuit and the low-voltage circuit of outside of inside because electrically connecting the interference caused, moreover it is possible to anti-
Only get an electric shock.TVS pipe is connected in parallel between PWM+ and PWM-, when outside input high pressure, can pass through resettable fuse F1 and TVS
Pipe is protected, and resettable fuse F1 can also be prevented effectively from big circuit damage high-voltage linear constant flow module, by TVS pipe also
It is avoided that instant high-voltage damages the main control chip of dimming controlling module, thus from big electric current and two angles of instant high-voltage,
Provide the comprehensive protection to dimming controlling module main control chip.
A kind of LED light unit disclosed by the invention, uses optical mask and the design of reflector, and a set of light fixture only needs one
Set optical mask and reflector, considerably reduce the cost of product development.LED light cavity is big, when placing many light sources, instead
Tabula rasa is beneficial to mixed light, reaches evenness, reduces dazzle.Optical mask exiting surface is smooth flat, is not easy to the adhesion of dust
And accumulation, have self-cleaning effect time additionally by natural wind rainwash, reduce later stage manual maintenance cost.Conventional lenses cover is
Multiple lens of arrangement, surface irregularity, easily dust stratification, rain-out does not reaches cleaning effect yet.Optical mask is provided with
Respiratory organ and waterproof apron, can improve waterproof ability, improves IP grade.LED light unit uses from interior mounting means, breaks biography
System from outer mounting means, be more beneficial for the cleaning on optical mask surface, maintenance.
Accompanying drawing explanation
Fig. 1 is LED light cellular construction figure.
Fig. 2 is LED light unit explosive view.
Fig. 3 is optical mask structure chart.
Fig. 4 is optical mask front view.
Fig. 5 is reverse reflector structure figure.
Fig. 6 is driving circuit principle figure.
Reference: 1, optical mask；11, exiting surface；12, the plane of incidence；121 light distribution surface；1211, fold；122, smooth
Curved surface；13, optical cavities；14, stuck point；15, central axis；16, marginal texture；161, hole, location；162, marine glue ring recess；2、
Reflector；21, bottom surface；211, window；212, screw hole；22, reflecting surface；3, LED lamp panel；31, LED lamp bead；4, module is driven；
41, aluminium base；42, LED drive circuit；421, dimming controlling module；422, filter rectification module；423, high-voltage linear constant current mould
Block；424, dim signal end.
Specific embodiments
Below in conjunction with accompanying drawing, embodiments of the present invention are done more detailed description.
Seeing shown in accompanying drawing 1 to accompanying drawing 5, LED light unit, including optical mask 1, reflector 2, LED lamp panel 3 and driving
Module 4, described LED lamp panel 3 is posted LED lamp bead, and described driving module 4 includes aluminium base 41, and described aluminium base 41 is furnished with
LED drive circuit 42；Described LED drive circuit 42 includes dimming controlling module 421, filter rectification module 422 and high-voltage linear
Constant flow module 423, described dimming controlling module 421 is connected by dim signal end 424 and high-voltage linear constant flow module 423, institute
Stating filter rectification module 422 one end and electric main connects, the other end and high-voltage linear constant flow module 423 connect, described high pressure
LED and loop thereof that linear constant current module 423 is parallel with one another with least one set are connected；Described reflector 2 is embedded in described optics
In face shield 1, described LED lamp panel 3 is fixed on reflector 2.
Further, described dimming controlling module 421 includes PWM-, resettable fuse F1, the first resistance R1, optocoupler
U1, diode D1 and PWM+, described optocoupler U1 includes an a light sensitive diode D2 and audion D3, described audion D3 collection
Electrode is connected and is connected with dim signal end 424 after the second resistance R2, described audion D3 grounded emitter, described PWM-, from extensive
Double insurance silk F1 and the first resistance R1 is connected with light sensitive diode D2 input successively, described PWM+, diode D1 successively with light
Quick diode D2 outfan connects, and dimming controlling module 421 two ends isolated by optocoupler U1 avoid directly electrical connection, do not only have
Effect prevents between internal high-voltage control circuit and the low-voltage circuit of outside because electrically connecting the interference caused, moreover it is possible to prevent from touching
Electricity.It can in addition contain change outfan dutycycle, the size of regulation output electric current by regulation input, reach precisely to regulate negative
Carry the purpose of LED power size.
Further, described drive circuit 42 also includes that TVS pipe, described TVS pipe are connected in parallel between PWM+ and PWM-, one end
Being connected between PWM+ and diode D1, the other end is connected between PWM-and resettable fuse F1.When outside inputs high pressure
Time, can be protected by resettable fuse F1 and TVS pipe, resettable fuse F1 can also be prevented effectively from big electric current and damage
Bad dimming controlling module 421, is also avoided that by TVS pipe instant high-voltage damages the main control chip of dimming controlling module 421, because of
And from big electric current and two angles of instant high-voltage, it is provided that the comprehensive protection to dimming controlling module 421 main control chip.As
Secondary scheme of selecting, can also varistor in parallel between PWM+ and PWM-.
Further, described optical mask 1 is made for transparent material, and its outer surface is smooth surface, constitutes exiting surface 11,
Optical mask 1 inner surface is the plane of incidence 12, and optical mask 1 is internal is optical cavities 13.
Further, the described plane of incidence 12 mid portion is light distribution surface 121, and two end portions is smooth surface 122, described in join
The both sides that bright finish 121 is adjacent with smooth surface 122 are all respectively equipped with the stuck point 14 of location reflector 2.
Further, described light distribution surface 121 arranges multiple fold 1211, and described fold 1211 is sequentially connected with.
Further, described optical mask 1 longitudinally has a central axis 15, and described fold 1211 is on the central axis 15
Position the highest, be gradually lowered to both sides.
Further, described reflector 2 is built in optical cavities 13；Described reflector 2 in "" shape, including at the bottom of one
Face 21 and two reflectings surface 22 extending upwardly to light distribution surface 121 from bottom surface 21；Described reflecting surface 22 and optical mask 1 are without sewing up
Close, positioned by stuck point 14.
Further, described light distribution surface 121 is clipped between said two reflecting surface 22, forms luminous intensity distribution region.
Further, described reflector 2 is made for opaque high reflectance material, and described light distribution surface 121 is clipped in described two
Between individual reflecting surface 22, forming luminous intensity distribution region, reflecting surface 22, for by side luminous reflectance to luminous intensity distribution region, does not has light from entering
The two ends smooth surface 122 penetrating face 12 reflects away.
Further, center, described bottom surface 21 is provided with the window 211 laying light source, and described LED lamp panel 3 is fixed on window
On 211.
Further, described optical mask 1 is provided with marginal texture 16, described marginal texture 16 has been evenly arranged for solid
Determining the hole, location 161 of optical mask 1, described marginal texture 16 is provided with marine glue ring recess 162.
Further, hole, described location 161 is arranged from inside to outside from marginal texture 16, uses from interior mounting means, breaks traditions
From outer mounting means, be more beneficial for the cleaning on optical mask surface, maintenance.
Further, the thickness between described exiting surface 11 and the plane of incidence 12 is 1mm ~ 6mm.
Further, described marine glue ring recess 162 is embedded with O-ring seal, improves IP degree of protection.
Further, described optical mask 1 is provided with respiratory organ, can improve waterproof ability, improves IP grade.
Further, described smooth surface 122 and the closing space of described reflecting surface 22 composition, it is used for laying electronics unit device
Part.
Further, described reflector 2 bottom surface 21 is additionally provided with screw hole 212, for reflector 2 is fixed on section bar
On.
Listed above is only one of specific embodiment of the present invention.It is clear that the invention is not restricted to above example, also may be used
There to be many similar reshapings.Those of ordinary skill in the art can directly derive from present disclosure or associate
All deformation, are all considered as invention which is intended to be protected.
Claims (10)
1.LED optical unit, including optical mask (1), reflector (2), LED lamp panel (3) and driving module (4), described LED
Posting LED lamp bead on plate (3), described driving module (4) includes aluminium base (41), described aluminium base (41) is furnished with LED and drives
Circuit (42)；It is characterized in that: described LED drive circuit (42) includes dimming controlling module (421), filter rectification module
(422) and high-voltage linear constant flow module (423), described dimming controlling module (421) passes through dim signal end (424) and high-voltage line
Property constant flow module (423) connect, described filter rectification module (422) one end and electric main connect, the other end and high-voltage linear
Constant flow module (423) connects, and LED and loop thereof that described high-voltage linear constant flow module (423) is parallel with one another with least one set connect
Connect；Described reflector (2) is embedded in described optical mask (1), and described LED lamp panel (3) is fixed on reflector (2).
2. LED light unit as claimed in claim 1, it is characterised in that: described dimming controlling module (421) include PWM-,
Resettable fuse F1, the first resistance R1, optocoupler U1, diode D1 and PWM+, described optocoupler U1 includes a light sensitive diode
A D2 and audion D3, described audion D3 colelctor electrode is connected and is connected with dim signal end (424) after the second resistance R2, described
Audion D3 grounded emitter, described PWM-, resettable fuse F1 and the first resistance R1 input with light sensitive diode D2 successively
End connects, and described PWM+, diode D1 are connected with light sensitive diode D2 outfan successively.
3. LED light unit as claimed in claim 2, it is characterised in that: described drive circuit (42) also includes TVS pipe, institute
Stating TVS pipe to be connected in parallel between PWM+ and PWM-, one end is connected between PWM+ and diode D1, the other end be connected to PWM-and from
Recover between electric fuse F1.
4. LED light unit as claimed in claim 1, it is characterised in that: described optical mask (1) is that transparent material is made,
Its outer surface is smooth surface, constitutes exiting surface (11), and optical mask (1) inner surface is the plane of incidence (12), in optical mask (1)
Portion is optical cavities (13).
5. LED light unit as claimed in claim 4, it is characterised in that: the described plane of incidence (12) mid portion is light distribution surface
(121), two end portions is smooth surface (122), and the both sides that described light distribution surface (121) is adjacent with smooth surface (122) are all distinguished
It is provided with the stuck point (14) of location reflector (2).
6. LED light unit as claimed in claim 5, it is characterised in that: described light distribution surface (121) arranges multiple fold
(1211), described fold (1211) is sequentially connected with.
7. LED light unit as claimed in claim 5, it is characterised in that: described reflector (2) is built in optical cavities (13)
In；Described reflector (2) in "" shape, extend upwardly to light distribution surface including a bottom surface (21) and two from bottom surface (21)
(121) reflecting surface (22)；Described reflecting surface (22) and optical mask (1) seamless combination, positioned by stuck point (14).
8. LED light unit as claimed in claim 7, it is characterised in that: described light distribution surface (121) is clipped in said two reflection
Between face (22), form luminous intensity distribution region.
9. LED light unit as claimed in claim 7, it is characterised in that: described bottom surface (21) center is provided with lays light source
Window (211), described LED lamp panel (3) is fixed on window (211).
10. LED light unit as claimed in claim 1, it is characterised in that: described optical mask (1) is provided with marginal texture
(16), described marginal texture (16) being evenly arranged the hole, location (161) for fixing optical mask (1), described edge is tied
Structure (16) is provided with marine glue ring recess (162).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686843.0A CN106151894B (en) | 2016-08-19 | 2016-08-19 | LED optical unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686843.0A CN106151894B (en) | 2016-08-19 | 2016-08-19 | LED optical unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106151894A true CN106151894A (en) | 2016-11-23 |
| CN106151894B CN106151894B (en) | 2023-04-28 |
Family
ID=57330783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610686843.0A Active CN106151894B (en) | 2016-08-19 | 2016-08-19 | LED optical unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151894B (en) |
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Address after: No. 689, aixihu North Road, high tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: China energy saving Jinghe Technology Co.,Ltd. Address before: No. 689, aixihu North Road, high tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant before: CECEP LATTICELIGHTING Co.,Ltd. |
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