CN205909030U - Led optical unit - Google Patents

Led optical unit Download PDF

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Publication number
CN205909030U
CN205909030U CN201620901716.3U CN201620901716U CN205909030U CN 205909030 U CN205909030 U CN 205909030U CN 201620901716 U CN201620901716 U CN 201620901716U CN 205909030 U CN205909030 U CN 205909030U
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CN
China
Prior art keywords
led
module
optical unit
pwm
reflector
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Active
Application number
CN201620901716.3U
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Chinese (zh)
Inventor
张志海
吴新慧
胡俊
程治明
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China energy saving Jinghe Technology Co.,Ltd.
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CECEP LATTICELIGHTING Co Ltd
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Priority to CN201620901716.3U priority Critical patent/CN205909030U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

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Abstract

The utility model provides a LED optical unit, including optical face cover, reflector panel, LED lamp plate and drive module, post LED lamp pearl on the LED lamp plate, drive module includes aluminium base board, cloth has LED drive circuit on the aluminium base board. LED drive circuit includes dimming control module, filtering rectifier module and high -pressure linear constant -current module, and dimming control module connects through adjust luminance signal end and high -pressure linear constant -current module, filtering rectifier module one end and interchange mains connection, and the other end and high -pressure linear constant -current module connect, high -pressure linear constant -current module and LED and the dimming control module 0 who connects in parallel each other a set of at least, the reflector panel is embedded in optical face cover, and the LED lamp plate is fixed on the reflector panel. The utility model provides a LED optical unit, not only illumination colourity is even, the mixed light is effectual, the glare is low to greatly reduced development cost, convenient clean and maintenance.

Description

Led optical unit
Technical field
This utility model belongs to technical field of semiconductor illumination and in particular to a kind of led optical unit.
Background technology
In recent years due to the development of led technology, led illumination has begun to by most of customer acceptances and adopts, various led Light fixture emerges in an endless stream, and the structure of led optical unit is also varied.Existing led optical unit mostly adopts extra led to drive Galvanic electricity source is driven, and undoubtedly increases certain cost and extra volume to LED lamp.Linear constant current drive circuit, can Alternating current circuit is converted to DC circuit, can be used directly to drive led, be currently progressively applied to led illumination application, can Directly to substitute driving power supply, whole lamp manufacturing cost is greatly reduced.But present linear constant current drive circuit typically all adopts 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 output high pressure linear constant current driving current, in order to obtain high-voltage linear constant-current driving electric current, polylith ic can be adopted Chip superposition mode exported, so, can lead to excessively apply ic chip again so that input voltage fluctuation or on When liter, the power of whole lamp can rise quickly, leads to the temperature of ic and the temperature of lamp bead to be substantially increased, and enters automatically too early Overheat protector and overvoltage protection, lead to light fixture flicker or turn off the light, and if be not added with jumbo electrochemical capacitor to carry out energy storage The stroboscopic of 100hz, poor reliability if filtering, can be produced, safety is low.
Traditional led optical unit carries out secondary light-distribution design using led lens, but existing led lens are most of It is designed for single light source, lens bottom is provided with a LED lamp chamber, a LED light source can only be put, lens surface is not Smooth, uneven.Outdoor lamp is exposed to the in the air full of pollutant such as dust, oil smoke, vehicle exhausts, lens measure for a long time Face is uneven easily to hide, is infected with dust, and lens surface affects light extraction efficiency after covering dust, and luminous flux is greatly lowered.Meanwhile, often LED light source all corresponds to lens, and luminous intensity distribution form is single, in irregular shape, and difficulty of processing is larger, manufacturing cost is higher.And And, existing LED lamp generally has multiple lens covers it is impossible to carry out overall optical design, and light-use is insufficient.
Content of the invention
To be solved in the utility model is that existing led optical unit drives poor reliability, level of security low, luminous intensity distribution form Technical problem that is single, can not carrying out overall optical design, provides that a kind of safety is good, reliability is high, luminous intensity distribution is various informative, only Carry out the led optical unit of overall optical design using an optical mask.
In order to solve technical problem of the present utility model, this utility model is achieved through the following technical solutions: led light Learn unit, including optical mask 1, reflector 2, LED lamp plate 3 and drive module 4, described LED lamp plate 3 posts led lamp beads, institute State drive module 4 and include aluminium base 41, 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 passed through Dim signal 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 and high-voltage linear constant flow module 423 connect, and described high-voltage linear constant flow module 423 is parallel with one another with least one set Led and its loop connect;Described reflector 2 is embedded in described optical mask 1, and described LED lamp plate 3 is fixed on reflector 2.
Preferably, described dimming controlling module 421 include pwm-, resettable fuse f1, first resistor 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 It is connected with dim signal end 424 after pole series connection second resistance r2, described audion d3 grounded emitter, described pwm-, self- recoverage Electric fuse f1 and first resistor r1 are connected with light sensitive diode d2 input successively, described pwm+, diode d1 successively with photosensitive Diode d2 outfan connects.
Preferably, described drive circuit 42 also includes tvs pipe, and described tvs pipe is connected in parallel between pwm+ and pwm-, and one end is even It is connected between pwm+ and diode d1, the other end is connected between pwm- and resettable fuse f1.
Preferably, described optical mask 1 is made up of transparent material, and its outer surface is smooth surface, constitutes exiting surface 11, light Mask 1 inner surface is the plane of incidence 12, and optical mask 1 is internal to be optical cavities 13.
Preferably, the described plane of incidence 12 mid portion is light distribution surface 121, and two end portions are smooth surface 122, described luminous intensity distribution Face 121 both sides adjacent with smooth surface 122 are all respectively equipped with the stuck point 14 of positioning reflector 2.
Preferably, described light distribution surface 121 arranges multiple folds 1211, and described fold 1211 is sequentially connected.
Preferably, described optical mask 1 longitudinally has a central axis 15, and described fold 1211 is on the central axis 15 Position highest, is gradually lowered to both sides.
Preferably, described reflector 2 is built in optical cavities 13;Described reflector 2 be in "" shape, including a bottom Face 21 and two reflectings surface 22 extending upwardly to light distribution surface 121 from bottom surface 21;Described reflecting surface 22 is sewed up with optical mask 1 nothing Close, positioned by stuck point 14.
Preferably, described light distribution surface 121 is clipped between described two reflectings surface 22, forms luminous intensity distribution region.
Preferably, described bottom surface 21 center is provided with the window 211 laying light source, and described LED lamp plate 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 location hole 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 up of opaque high reflectance material.
Preferably, described location hole 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, are 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 beneficial effect that this utility model obtains is:
A kind of led optical unit disclosed in this utility model, using high-voltage linear constant-current driving it is not necessary to extra electricity Source, greatly reduces small product size and cost, beneficial to product Miniaturization Design.Filter rectification module can be prevented effectively from and use high-voltage line The LED lamp of property constant-current driving stroboscopic in use.The dimming controlling module two ends being isolated by optocoupler u1 avoid directly Connect electrical connection, not only effectively prevent between the high-voltage control circuit of inside and the low-voltage circuit of outside because electrically connecting cause dry Disturb moreover it is possible to prevent from getting an electric shock.Tvs pipe is connected in parallel between pwm+ and pwm-, when outside input high pressure, can be insured by self- recoverage Silk f1 and tvs pipe is protected, and resettable fuse f1 can also be prevented effectively from high current and damage high-voltage linear constant flow module, leads to Cross tvs pipe and be also avoided that instant high-voltage damages the main control chip of dimming controlling module, thus from high current and instant high-voltage Two angles, there is provided the comprehensive protection to dimming controlling module main control chip.
A kind of led optical unit disclosed in this utility model, using the design of optical mask and reflector, a set of light fixture is only Need a set of optical mask and reflector, considerably reduce the cost of product development.Led optical cavities are big, place many light sources When, reflector is beneficial to mixed light, reaches evenness, reduces dazzle.Optical mask exiting surface is smooth flat, is not easy to dust Adhesion and accumulation, are in addition subject to have self-cleaning effect during natural wind rainwash, reduce later stage manual maintenance cost.Conventional lenses face Cover the multiple lens for arrangement, surface irregularity, easily dust stratification, rain-out does not reach cleaning effect yet.On optical mask It is provided with respiratory organ and waterproof apron, waterproof ability can be improved, improve ip grade.Led optical unit, using from interior mounting means, is beaten Broken traditional from outer mounting means, be more beneficial for cleaning, the maintenance on optical mask surface.
Brief description
Fig. 1 is led optical unit structure chart.
Fig. 2 is led optical 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 driver circuit schematic diagram.
Reference: 1, optical mask;11st, exiting surface;12nd, the plane of incidence;121 light distribution surface;1211st, fold;122nd, smooth Curved surface;13rd, optical cavities;14th, stuck point;15th, central axis;16th, marginal texture;161st, location hole;162nd, marine glue ring recess;2、 Reflector;21st, bottom surface;211st, window;212nd, screw hole;22nd, reflecting surface;3rd, LED lamp plate;31st, led lamp beads;4th, drive module; 41st, aluminium base;42nd, led drive circuit;421st, dimming controlling module;422nd, filter rectification module;423rd, high-voltage linear constant current mould Block;424th, dim signal end.
Specific embodiment
Below in conjunction with accompanying drawing, more detailed description is done to embodiment of the present utility model.
Referring to accompanying drawing 1 to shown in accompanying drawing 5, led optical unit, including optical mask 1, reflector 2, LED lamp plate 3 and driving Module 4, described LED lamp plate 3 posts led lamp beads, and described drive 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 passes through dim signal end 424 and high-voltage linear constant flow module 423 connects, institute State 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 Linear constant current module 423 led parallel with one another with least one set and its loop are connected;Described reflector 2 is embedded in described optics In mask 1, described LED lamp plate 3 is fixed on reflector 2.
Further, described dimming controlling module 421 includes pwm-, resettable fuse f1, first resistor r1, optocoupler U1, diode d1 and pwm+, described optocoupler u1 includes an a light sensitive diode d2 and audion d3, described audion d3 collection It is connected with dim signal end 424 after electrode series connection second resistance r2, described audion d3 grounded emitter, described pwm-, from extensive Double insurance silk f1 and first resistor r1 are 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 being isolated by optocoupler u1 avoid direct electrical connection, do not only have Effect prevents between the high-voltage control circuit of inside and the low-voltage circuit of outside because electrically connecting the interference causing moreover it is possible to prevent from touching Electricity.It can in addition contain change outfan dutycycle by adjusting input, adjust the size of output current, reach accurate regulation negative Carry the purpose of led watt level.
Further, described drive circuit 42 also includes tvs pipe, and described tvs pipe is connected in parallel between pwm+ and pwm-, one end It is connected between pwm+ and diode d1, the other end is connected between pwm- and resettable fuse f1.When outside input high pressure When, can be protected by resettable fuse f1 and tvs pipe, resettable fuse f1 can also be prevented effectively from high current and damage Bad dimming controlling module 421, manages the main control chip being also avoided that instant high-voltage damages dimming controlling module 421 by tvs, because And from high current and two angles of instant high-voltage, there is provided the comprehensive protection to dimming controlling module 421 main control chip.As Secondary select scheme, can also varistor in parallel between pwm+ and pwm-.
Further, described optical mask 1 is made up of 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 to be optical cavities 13.
Further, the described plane of incidence 12 mid portion is light distribution surface 121, and two end portions are smooth surface 122, described join Bright finish 121 both sides adjacent with smooth surface 122 are all respectively equipped with the stuck point 14 of positioning reflector 2.
Further, described light distribution surface 121 arranges multiple folds 1211, and described fold 1211 is sequentially connected.
Further, described optical mask 1 longitudinally has a central axis 15, and described fold 1211 is on the central axis 15 Position highest, be gradually lowered to both sides.
Further, described reflector 2 is built in optical cavities 13;Described reflector 2 be in "" shape, including a bottom Face 21 and two reflectings surface 22 extending upwardly to light distribution surface 121 from bottom surface 21;Described reflecting surface 22 is sewed up with optical mask 1 nothing Close, positioned by stuck point 14.
Further, described light distribution surface 121 is clipped between described two reflectings surface 22, forms luminous intensity distribution region.
Further, described reflector 2 is made up of opaque high reflectance material, and described light distribution surface 121 is clipped in described two Between individual reflecting surface 22, form luminous intensity distribution region, reflecting surface 22 is used for reflexing to side light in luminous intensity distribution region, does not have light from entering The two ends smooth surface 122 penetrating face 12 reflects away.
Further, described bottom surface 21 center is provided with the window 211 laying light source, and described LED lamp plate 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 Determine the location hole 161 of optical mask 1, described marginal texture 16 is provided with marine glue ring recess 162.
Further, described location hole 161 is arranged from inside to outside from marginal texture 16, using from interior mounting means, breaks Traditional from outer mounting means, be more beneficial for cleaning, the maintenance on optical mask surface.
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, are 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 utility model.Obviously, this utility model is not limited to above reality Apply example, can also have many similar reshapings.Those of ordinary skill in the art can be direct from this utility model disclosure The all deformation derived or associate, are all considered as this utility model scope of the claimed.

Claims (10)

1.led optical unit, including optical mask (1), reflector (2), LED lamp plate (3) and drive module (4), described LED lamp Plate posts led lamp beads on (3), and described drive 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 described high-voltage linear constant flow module (423) led parallel with one another with least one set and its loop are even Connect;Described reflector (2) is embedded in described optical mask (1), and described LED lamp plate (3) is fixed on reflector (2).
2. led optical unit as claimed in claim 1 it is characterised in that: described dimming controlling module (421) include pwm-, Resettable fuse f1, first resistor r1, optocoupler u1, diode d1 and pwm+, described optocoupler u1 includes a light sensitive diode D2 and audion d3, is connected with dim signal end (424) after described audion d3 colelctor electrode series connection second resistance r2, described Audion d3 grounded emitter, described pwm-, resettable fuse f1 and first resistor r1 are inputted with light sensitive diode d2 successively End connects, and described pwm+, diode d1 are connected with light sensitive diode d2 outfan successively.
3. led optical unit as claimed in claim 2 it is characterised in that: described drive circuit (42) also include tvs pipe, institute State 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 optical unit as claimed in claim 1 it is characterised in that: described optical mask (1) is made up of transparent material, Its outer surface is smooth surface, constitutes exiting surface (11), and optical mask (1) inner surface is in the plane of incidence (12), optical mask (1) Portion is optical cavities (13).
5. led optical unit as claimed in claim 4 it is characterised in that: the described plane of incidence (12) mid portion be light distribution surface (121), two end portions are smooth surface (122), and described light distribution surface (121) both sides adjacent with smooth surface (122) are all distinguished It is provided with the stuck point (14) of positioning reflector (2).
6. led optical unit as claimed in claim 5 it is characterised in that: described light distribution surface (121) arranges multiple folds (1211), described fold (1211) is sequentially connected.
7. led optical unit as claimed in claim 5 it is characterised in that: described reflector (2) is built in optical cavities (13) Interior;Described reflector (2) be 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, are positioned by stuck point (14).
8. led optical unit as claimed in claim 7 it is characterised in that: described light distribution surface (121) is clipped in described two reflections Between face (22), form luminous intensity distribution region.
9. led optical 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 plate (3) is fixed on window (211).
10. led optical 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) is evenly arranged the location hole (161) for fixing optical mask (1), described edge knot Structure (16) is provided with marine glue ring recess (162).
CN201620901716.3U 2016-08-19 2016-08-19 Led optical unit Active CN205909030U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620901716.3U CN205909030U (en) 2016-08-19 2016-08-19 Led optical unit

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Application Number Priority Date Filing Date Title
CN201620901716.3U CN205909030U (en) 2016-08-19 2016-08-19 Led optical unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106151894A (en) * 2016-08-19 2016-11-23 中节能晶和照明有限公司 LED light unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106151894A (en) * 2016-08-19 2016-11-23 中节能晶和照明有限公司 LED light unit

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: No. 689, aixihu North Road, high tech Industrial Development Zone, Nanchang City, Jiangxi Province

Patentee after: China energy saving Jinghe Technology Co.,Ltd.

Address before: No. 689, aixihu North Road, high tech Industrial Development Zone, Nanchang City, Jiangxi Province

Patentee before: CECEP LATTICELIGHTING Co.,Ltd.

CP01 Change in the name or title of a patent holder