CN103375769A - Polarized lens unit and lens module for LED streetlights - Google Patents
Polarized lens unit and lens module for LED streetlights Download PDFInfo
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- CN103375769A CN103375769A CN2012105695597A CN201210569559A CN103375769A CN 103375769 A CN103375769 A CN 103375769A CN 2012105695597 A CN2012105695597 A CN 2012105695597A CN 201210569559 A CN201210569559 A CN 201210569559A CN 103375769 A CN103375769 A CN 103375769A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The invention relates to a polarized lens unit and a lens module for LED streetlights. The polarized lens unit comprises an incident plane (11) for collecting LED light rays, an emergent plane (12) on the top and a connecting stage (21) on the periphery of the emergent plane. The incident plane is of an oval concave plane, the transverse section of the incident plane, passing through an optical axis, is semicircular; the longitudinal section of the incident plane, passing through the optical axis, is an inclined arc. The emergent plane (12) is a kidney-like convex plane. Compared with the prior art, the polarized lens unit has the advantages that the light distribution angle is wide as the maximum included angle between the lens optical axis and the light distribution ray which is parallel to a road direction is an overall angle of 150 degrees; the polarizing angle is wide as the light distribution ray which is perpendicular to the road direction deviates from the lens optical axis to incline to the road center direction and forms the maximum included angle ranging from -33 degrees to +56 degrees asymmetrically and the overall angle of 89 degrees with the lens optical axis.
Description
Technical fieldThe present invention relates to the nonimaging optics field, particularly a kind of lens unit and lens module for the LED street lamp.
Technical backgroundAt present, energy-efficient LED lighting engineering has obtained fast development as clean energy resource, and obtains a wide range of applications in road lighting, and has obtained approval.Secondary optical lens has played decisive action in the luminous intensity distribution of LED street lamp.The luminous intensity distribution of most of LED street lamp still belongs to the luminous intensity distribution of symmetrical expression in the market, the secondary optical lens that namely adopts, its light distribution curved surface is respectively symmetrical luminous intensity distribution at X-X section and Y-Y section, be emergent ray according to the optical axis of lens about and distinguish up and down symmetrical luminous intensity distribution, form a left-right symmetry and laterally zygomorphic rectangular light spots.There is sub-fraction LED street lamp product to do asymmetric light distribution (being so-called polarisation), its distribution curve flux is the batswing tab shape, but because the curved surface luminous intensity distribution of spreadlight lens calculates and the modeling comparison difficulty, the polarizing angle of the spreadlight lens of most of LED street lamp product can only be accomplished 30 degree, and road longitudinally the briliancy uniformity not yet reach requirement, like this to wider a little road or shorter lamp stand just inapplicable.
In addition, assembling and the waterproof of lens also have problems, and present a part of LED street lamp product adopts many independent lens to arrange assembling, then uses a common lampshade to carry out waterproof.Lampshade can increase the weight of lamp holder so on the one hand, thereby has increased the burden of carrying out work high above the ground when street lamp is installed; Lampshade itself can produce Fresnel loss on the other hand, and one not after the plated film lampshade, light loss can reach 5% ~ 8%.Although also have part LED street lamp to adopt the lens of modular, and waterproof and luminous intensity distribution all accomplished on the module, can add again lampshade, the waterproof and dustproof of lens module and antistatic also are very challenging technical barriers.Although water proof ring can play waterproof effect at short notice, constantly changes in temperature circulation under static, sand and dust and the effect of exposing to the weather, the inner surface of lens module will soon form mist, thereby can shorten the life-span of light fixture.
Summary of the inventionFor fear of above-mentioned weak point of the prior art, the present invention proposes spreadlight lens unit and the lens module of a kind of large light distribution angle, large polarizing angle.
Design a kind of spreadlight lens unit for the LED street lamp, comprise that the bottom be used for to collect the exit facet at the plane of incidence of LED light, top and enclose connecting platform around exit facet, the described plane of incidence is the oval concave surface, its horizontal section through optical axis is semicircle, through the camber line of longitudinal profile for tilting of optical axis; Described exit facet is similar kidney-shaped convex surface.
Further, described spreadlight lens unit for the LED street lamp, at the horizontal section through lens axis, the light that penetrates from led chip light-emitting area center, reflect the rear to remaining unchanged through the plane of incidence, refracted ray carries out luminous intensity distribution through exit facet again, and the maximum angle of output light and lens axis is ± 75 ° behind the luminous intensity distribution, and namely full-shape is 150 °.
Further, described spreadlight lens unit for the LED street lamp, at the horizontal section through optical axis, the incident ray (OP) that sends from led chip light-emitting area center, be emergent ray (PQ) behind the process exit facet, suppose that incident ray (OP) and the angle of optical axis (OZ) are θ 1, emergent ray (PQ) is θ 2 with the angle of optical axis (OZ), satisfies so the luminous intensity distribution condition between the angle of emergence (θ 2) and the incidence angle (θ 1):
Further, described spreadlight lens unit for the LED street lamp, at the longitudinal profile through optical axis, the light that penetrates from led chip light-emitting area center departs from optical axis (OZ) deviation left through the plane of incidence, and the light behind the deviation reenters and is mapped on the exit facet, through after going out to establish the face luminous intensity distribution, emergent ray continues to depart from optical axis (OZ) the further deviation of turning left, and namely the output light of lens tilts toward the road axis direction, and it is that full-shape is 89 ° that light distribution angle is asymmetrical-33 ° to+56 °.
Further, described spreadlight lens unit for the LED street lamp, at the longitudinal profile through optical axis, the incident ray (OR) that sends from led chip light-emitting area center, carry out the deviation first time through the plane of incidence, refracted ray behind the deviation (RS) incides out on the face of establishing, export at last emergent ray (ST), suppose that incident ray (OR) and the angle of optical axis (OZ) are that δ 1 is incidence angle, emergent ray (ST) is that δ 2 is the angle of emergence with the angle of optical axis (OZ), satisfies so the luminous intensity distribution condition between angle of emergence δ 2 and the incidence angle δ 1:
Further, described spreadlight lens unit for the LED street lamp, at the longitudinal profile through optical axis, 6～10 ° left on the axis runout optical axis (OZ) of the section profile line of the plane of incidence is preferably 8 °.
Further, the bottom of described spreadlight lens unit is useful on the rectangle concave station of placing led light source.
Design a kind of spreadlight lens module for the LED street lamp, comprise some spreadlight lenses unit, connect with connecting platform between each spreadlight lens unit, described spreadlight lens unit comprises that the bottom is used for collecting the plane of incidence of LED light, the exit facet at top, connecting platform encloses around exit facet, the described plane of incidence is the oval concave surface, and its horizontal section through optical axis is semicircle, through the camber line of longitudinal profile for tilting of optical axis; Described exit facet is similar kidney-shaped convex surface.
Further, there is respectively the luminous intensity distribution of different angles described spreadlight lens unit at the longitudinal profile of the horizontal section that passes through optical axis and process optical axis, described horizontal section is parallel to road direction, longitudinal profile is perpendicular to road direction, at the luminous intensity distribution of described horizontal section, the maximum angle of emergent ray and lens axis is that full-shape is 150 ° for ± 75 °; At the luminous intensity distribution of described longitudinal profile, light departs from lens axis and tilts toward the road-center direction, and it is that full-shape is 89 ° that light distribution angle is asymmetrical-33 ° to+56 °.
Further, described spreadlight lens module periphery is provided with capillary groove, is placed with waterproof grommet in the capillary groove.
Further, described spreadlight lens module periphery is provided with isolation channel.
Further, the lower surface of described spreadlight lens module is provided with depression, is used for avoiding cap nut on the printed circuit board (PCB) or the electronic devices and components except led light source.
Compared with prior art, the present invention has following technique effect:
1. light distribution angle is large, and lens unit can reach at the maximum angle of the luminous intensity distribution light that is parallel to road direction and lens axis ± and 75 °, namely full-shape is 150 °; Polarizing angle is large, and lens unit departs from lens axis at the luminous intensity distribution light perpendicular to road direction and tilts toward the road-center direction, with the maximum angle of lens axis be asymmetrical-33 ° to+56 °, namely full-shape reaches 89 °.
The spreadlight lens module around be provided with capillary groove, isolation channel and set screw hole, the lens module can be positioned on the printed circuit board (PCB) like this, accomplish simultaneously the dust of waterproof, isolation water smoke and generation of static electricity.The upper surface of lens module and lower surface are respectively arranged with projection and depression, and its formed space is used for avoiding cap nut and other electronic devices and components on the printed circuit board (PCB), make the lens module can be closely and printed circuit board seal.
Description of drawings
Fig. 1 is shaft side projection drawing and each face view of spreadlight lens unit involved in the present invention;
Fig. 2 is the profile of spreadlight lens unit involved in the present invention, Fig. 2-the 1st wherein, and at the profile of Y-Y direction (perpendicular to road direction), the profile of Fig. 2-2 and X-X direction (being parallel to road direction);
Fig. 3 is that spreadlight lens unit involved in the present invention is at the luminous intensity distribution schematic diagram of X-X section;
Fig. 4 is that spreadlight lens unit involved in the present invention is at the luminous intensity distribution schematic diagram of Y-Y section;
Fig. 5 is that spreadlight lens unit involved in the present invention is at the deviation figure of Y-Y section, 11 pairs of light of bottom oval concave surface;
Fig. 6 is that spreadlight lens unit involved in the present invention is at the luminous intensity distribution figure of X-X section, 12 pairs of single light of curved surface;
Fig. 7 is the graph of relation of spreadlight lens unit between X-X section, angle of emergence θ 2 and incidence angle θ 1 involved in the present invention;
Fig. 8 is that spreadlight lens unit involved in the present invention is at the luminous intensity distribution figure of Y-Y section, 12 pairs of single light of curved surface;
Fig. 9 is the graph of relation of spreadlight lens unit between Y-Y section, angle of emergence δ 2 and incidence angle δ 1 involved in the present invention;
Figure 10 is shaft side projection drawing and each face view of spreadlight lens module involved in the present invention;
Figure 11 is the section assembling schematic diagram along the A-A direction of Figure 10;
Figure 12 is the section assembling schematic diagram along the B-B direction of Figure 10;
Figure 13 is the ray tracing figure of spreadlight lens module involved in the present invention;
Figure 14 is that spreadlight lens module involved in the present invention is at the Illumination Distribution gray-scale map of 10 meters distant places;
Figure 15 is the far field angle of the light intensity of spreadlight lens module involved in the present invention (distribution curve flux) figure that distributes.
Figure 16 is the analysis result figure that the road surface briliancy of three tracks, one-sided lighting the 150 watts LED street lamp that is equiped with described spreadlight lens module distributes;
Figure 17 is the analysis result figure that the road illumination of 150 watts of the one-sided lighting in the three tracks LED street lamp that is equiped with described spreadlight lens module distributes.
The specific embodimentBelow in conjunction with accompanying drawing embodiment is further described
Fig. 1 is each face view of spreadlight lens unit, Fig. 1-the 1st wherein, and shaft side projection drawing, Fig. 1-2 is front view; Fig. 1-the 3rd, upward view; Fig. 1-the 4th, left view, Fig. 1-the 5th, rearview.As depicted in figs. 1 and 2, spreadlight lens unit 1 comprises the bottom for the exit facet 12 at the plane of incidence 11 of collecting LED light, top and encloses in exit facet 12 connecting platform 21 all around.The described plane of incidence 11 is asymmetrical oval concave surface, and its horizontal section through optical axis is semicircle, through the camber line of longitudinal profile for tilting of optical axis.Described exit facet 12 is similar kidney-shaped convex surface, shown in Fig. 1-2, and outer contour two circular arc of exit facet 12, the below outline line is inwardly slightly recessed.Such as Fig. 1-5 and shown in Figure 2,1 bottom, spreadlight lens unit is useful on the rectangle concave station 13 of placing led light source, and led light source is positioned over the crossover location of X-X and Y-Y hatching in the upward view.
Described spreadlight lens unit 1, it in the optical signature of X-X section (through the horizontal section of optical axis OZ) as shown in Figure 3, its luminous intensity distribution principle is: at the X-X section, the transversal of bottom oval concave surface 11 is a semicircle, light from the ejaculation of led chip light-emitting area center O point, to remaining unchanged, refracted ray carries out luminous intensity distribution through exit facet 12 again through the plane of incidence 11 refraction rears, and the output light behind the luminous intensity distribution and the maximum angle of lens axis are that full-shape is 150 ° for ± 75 °.Optical axis OZ is for through led chip light-emitting area O point and perpendicular to the axis of led chip among the figure.
Described spreadlight lens unit 1, it in the optical signature of Y-Y section (through the longitudinal profile of optical axis OZ) as shown in Figure 4.Its luminous intensity distribution principle is: at the Y-Y section, the transversal of the plane of incidence 11 is a curve that tilts, and its light with LED departs from the optical axis OZ deviation of turning left, and the light behind the deviation reenters and is mapped on the exit facet 12, behind exit facet 12 luminous intensity distributions, output light departs from the optical axis OZ further deviation of turning left again.The output light that is the LED street lamp tilts toward the road axis direction, rather than directly the directive lamp holder under, the angular distribution of output light is asymmetrical-33 ° to+56 ° scopes (being that full-shape is 89 °) at the angle with optical axis OZ behind the luminous intensity distribution.Among Fig. 4 the direction of light deflection be the rim ray maximum angle be 56 ° direction for towards the direction of road axis, in addition the rim ray maximum angle be 33 ° direction for towards the road outside, be the direction of lamp stand.
Described spreadlight lens unit 1, it is at the Y-Y section, the deviation of 11 pairs of light of the bottom oval plane of incidence as shown in Figure 5, the plane of incidence 11 is not to be semicircle at the section profile line of Y-Y direction, but radius of curvature is larger, the curve that is similar to inclined ellipse shape, preferably, and 8 ° left of its axis runout optical axis OZ, it can be with the direction deviation of incident ray along the curve axis, and assemble slightly.
Described spreadlight lens unit is at the X-X section, and the luminous intensity distribution of 12 pairs of single light of exit facet as shown in Figure 6.From the light OP that led chip light-emitting area center O point sends, behind process curved surface 12 luminous intensity distributions, with light PQ outgoing.The angle of supposing incident ray OP and optical axis OZ is θ 1, is referred to as incidence angle here.The angle of emergent ray PQ and optical axis OZ is θ 2, is referred to as the angle of emergence here.When the light directive optical axis left side, angle is for negative, and angle is for just when light directive optical axis the right.Satisfy so the luminous intensity distribution condition between angle of emergence θ 2 and the incidence angle θ 1:
Fig. 7 be the described spreadlight lens unit drawn according to formula 1 at the X-X section, the relation curve between angle of emergence θ 2 and the incidence angle θ 1.Go out when incidence angle θ 1 is-90 °, angle of emergence θ 2 is-75 °.When incidence angle θ 1 was 90 °, angle of emergence θ 2 was 75 °.
Described spreadlight lens unit is at the Y-Y section, and the luminous intensity distribution of 12 pairs of single light of exit facet as shown in Figure 8.Light OR from led chip light-emitting area center O point sends carries out the deviation first time through the bottom oval plane of incidence 11, incides on the exit facet 12 with light RS after the refraction, and exit facet 12 carries out luminous intensity distribution with light again, exports with light ST at last.The angle of supposing light OR and optical axis OZ is δ 1, is referred to as incidence angle here.The angle of emergent ray ST and optical axis OZ is δ 2, is referred to as the angle of emergence here.When the light directive optical axis left side, angle is for negative, and angle is for just when light directive optical axis the right.Satisfy so the luminous intensity distribution condition of following formula 2 between angle of emergence δ 2 and the incidence angle δ 1:
Fig. 9 be the described spreadlight lens unit drawn according to formula 2 at the Y-Y section, the relation curve between angle of emergence δ 2 and the incidence angle δ 1.Go out when incidence angle δ 1 is-90 °, angle of emergence δ 2 is-56 °.When incidence angle δ 1 was 90 °, angle of emergence δ 2 was 33 °.
According to formula 1 and formula 2 described luminous intensity distribution conditions, the numerical computation method that can utilize Differential iteration respectively node-by-node algorithm goes out the each point coordinate figure of light distribution curved surface 12 on the outline line of X-X section and Y-Y section of spreadlight lens unit, recycling 3 d modeling software envelope becomes a free form surface, and sets up the three-dimensional entity model of lens unit.
Utilize 3-D view and each face view of the spreadlight lens module of above-mentioned spreadlight lens unit composition to see Figure 10, wherein, Figure 10-the 1st, 3-D view, Figure 10-the 2nd, front view, Figure 10-the 3rd, upward view, Figure 10-the 4th, left view, Figure 10-the 5th, rearview.To shown in Figure 12, the spreadlight lens module comprises a plurality of spreadlight lenses unit 1 such as Figure 10, is connected by connecting platform 21 between each lens unit 1.Preferably, be provided with capillary groove 4 around the spreadlight lens module, capillary groove 4 interior placement waterproof sealing cushion rubbers 8 are sealed LED and printed circuit board (PCB) 9.On the spreadlight lens module isolation channel 5 can also be set, be used for isolating the dust of water smoke and generation of static electricity.Set screw hole 3 is set on the spreadlight lens module, is used for the lens module is positioned at printed circuit board (PCB).Described lens module lower surface is provided with the depression 7 of circle or other shapes, is used for holding nut on the printed circuit board (PCB) and other electronic devices and components, makes the lens module can be closely and printed circuit board seal.
Below be computer simulation and the photometric analysis of adopting the spreadlight lens module of the technology of the present invention.The model of supposing LED is CREE XPE, and the luminous flux of single LEDs is 90 lumens, and Figure 13 is the ray tracing of described spreadlight lens module.Figure 14 be described spreadlight lens module at the Illumination Distribution gray-scale map of 10 meters distant places, can see glossing up distributes to be similar to rectangle, the top (the cross hair center is over against the dead ahead of spreadlight lens module) of hot spot deflection cross hair line.Figure 15 is that the far field angle of spreadlight lens module light intensity distributes, i.e. distribution curve flux.H 0_Deg curve is the distribution curve flux along road direction among the figure, is batswing tab and distributes, and the beam angle size of half position of peak light intensity is :-74.9021889490116730 ° ~ 75.0790618572874560 °, namely full-shape is 150 °.V 0_Deg curve is perpendicular to the distribution curve flux of road direction among the figure, being off-axis distributes, the beam angle size of half position of peak light intensity is :-33.5858891834119790 ° ~ 55.9990587801196110 °, be that full-shape is 89.6 °, almost completely consistent with 89 ° of results that calculate with mathematical formulae.
Utilize polylith lens module of the present invention to be assembled into one 150 watts LED street lamp, to the Simulation and analysis that the IES light source data file that tests out carries out road lighting, it can satisfy illumination and the requirement of the briliancy uniformity of national Lighting Design of Urban Road prescribed by standard fully.Suppose that the LED street lamp is arranged as one-sided lighting, width of roadway is 12 meters, totally 3 tracks, and lamp stand is high 10 meters, and adjacent two lamp spacings are 35 meters, and 1.5 meters of arm lengths, lamp holder lean out 1 meter on road surface, the lamp holder elevation angle 15 degree.The road surface briliancy distributes and analysis result such as Figure 16 and shown in Figure 17 of Illumination Distribution so, and as can be seen from the figure, the road surface briliancy distributes and the result of Illumination Distribution has satisfied illumination and the requirement of the briliancy uniformity of national Lighting Design of Urban Road prescribed by standard.
Claims (13)
1. spreadlight lens unit that is used for the LED street lamp, comprise that the bottom be used for to collect the exit facet (12) at the plane of incidence (11) of LED light, top and enclose in exit facet connecting platform (21) all around, it is characterized in that: the described plane of incidence (11) is the oval concave surface, its horizontal section through optical axis is semicircle, through the camber line of longitudinal profile for tilting of optical axis; Described exit facet (12) is class kidney-shaped convex surface.
2. the spreadlight lens unit for the LED street lamp as claimed in claim 1, it is characterized in that: at the horizontal section through lens axis, the light that penetrates from led chip light-emitting area center, reflect the rear to remaining unchanged through the plane of incidence (11), refracted ray passes through exit facet (12) again and carries out luminous intensity distribution, the maximum angle of output light and lens axis is ± 75 ° behind the luminous intensity distribution, and namely full-shape is 150 °.
3. the spreadlight lens unit for the LED street lamp as claimed in claim 1, it is characterized in that: at the horizontal section through optical axis, the incident ray (OP) that sends from led chip light-emitting area center, rear through exit facet (12) is emergent ray (PQ), suppose that incident ray (OP) and the angle of optical axis (OZ) are θ 1, emergent ray (PQ) is θ 2 with the angle of optical axis (OZ), satisfies so the luminous intensity distribution condition between the angle of emergence (θ 2) and the incidence angle (θ 1):
。
4. the spreadlight lens unit for the LED street lamp as claimed in claim 1, it is characterized in that: at the longitudinal profile through optical axis, the light that penetrates from led chip light-emitting area center, depart from optical axis (OZ) deviation left through the plane of incidence (11), light behind the deviation reenters and is mapped on the exit facet (12), through after going out to establish face (12) luminous intensity distribution, emergent ray continues to depart from optical axis (OZ) the further deviation of turning left, the output light that is lens tilts toward the road axis direction, and it is that full-shape is 89 ° that light distribution angle is asymmetrical-33 ° to+56 °.
5. the spreadlight lens unit for the LED street lamp as claimed in claim 1, it is characterized in that: at the longitudinal profile through optical axis, the incident ray (OR) that sends from led chip light-emitting area center, carry out the deviation first time through the plane of incidence (11), refracted ray behind the deviation (RS) incides out on the face of establishing (12), export at last emergent ray (ST), suppose that incident ray (OR) and the angle of optical axis (OZ) are that δ 1 is incidence angle, emergent ray (ST) is that δ 2 is the angle of emergence with the angle of optical axis (OZ), satisfies so the luminous intensity distribution condition between angle of emergence δ 2 and the incidence angle δ 1:
。
6. the spreadlight lens unit for the LED street lamp as claimed in claim 1 is characterized in that: at the longitudinal profile through optical axis, 6～10 ° left on the axis runout optical axis (OZ) of the section profile line of the plane of incidence (11).
7. the spreadlight lens unit for the LED street lamp as claimed in claim 6 is characterized in that: at the longitudinal profile through optical axis, 8 ° left on the axis runout optical axis (OZ) of the section profile line of the plane of incidence (11).
8. the spreadlight lens unit for the LED street lamp as claimed in claim 1 is characterized in that: the bottom of described spreadlight lens unit is useful on the rectangle concave station (13) of placing led light source.
9. spreadlight lens module that is used for the LED street lamp, comprise some spreadlight lenses unit (1), connect with connecting platform (21) between each spreadlight lens unit, described spreadlight lens unit (1) comprises that the bottom is used for collecting the plane of incidence (11) of LED light, the exit facet (12) at top, connecting platform (21) encloses in exit facet (12) all around, it is characterized in that: the described plane of incidence (11) is the oval concave surface, its horizontal section through optical axis is semicircle, through the camber line of longitudinal profile for tilting of optical axis; Described exit facet (12) is similar kidney-shaped convex surface.
10. the spreadlight lens module for the LED street lamp as claimed in claim 9, it is characterized in that: there is respectively the luminous intensity distribution of different angles described spreadlight lens unit (1) at the longitudinal profile of the horizontal section that passes through optical axis and process optical axis, described horizontal section is parallel to road direction, longitudinal profile is perpendicular to road direction, at the luminous intensity distribution of described horizontal section, the maximum angle of emergent ray and lens axis is that full-shape is 150 ° for ± 75 °; At the luminous intensity distribution of described longitudinal profile, light departs from lens axis and tilts toward the road-center direction, and it is that full-shape is 89 ° that light distribution angle is asymmetrical-33 ° to+56 °.
11. the spreadlight lens module for the LED street lamp as claimed in claim 9 is characterized in that: described spreadlight lens module periphery is provided with capillary groove (4), is placed with waterproof grommet (8) in the capillary groove (4).
12. the spreadlight lens module for the LED street lamp as claimed in claim 9 is characterized in that: described spreadlight lens module periphery is provided with isolation channel (5).
13. the spreadlight lens module for the LED street lamp as claimed in claim 9, it is characterized in that: the surface of described spreadlight lens module is provided with depression, is used for holding nut on the printed circuit board (PCB) or the electronic devices and components except led light source.
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| CN2012105695597A CN103375769A (en) | 2012-12-25 | 2012-12-25 | Polarized lens unit and lens module for LED streetlights |
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| CN2012105695597A CN103375769A (en) | 2012-12-25 | 2012-12-25 | Polarized lens unit and lens module for LED streetlights |
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| CN113464881A (en) * | 2021-06-22 | 2021-10-01 | 深圳市睿光达光电有限公司 | Street lamp with polarisation anti-dazzle lens |
| CN113606506A (en) * | 2021-07-02 | 2021-11-05 | 深圳市海洋王照明工程有限公司 | Polarized lens LED lamp |
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| US9784429B2 (en) | 2013-12-16 | 2017-10-10 | Hongli Lighting Group Co., Ltd. | Method and device for greatly increasing irradiation range of street lamp |
| WO2015090134A1 (en) * | 2013-12-16 | 2015-06-25 | 宏力照明集团有限公司 | Method and device for greatly increasing irradiation range of street lamp |
| CN103644532B (en) * | 2013-12-16 | 2015-08-26 | 宏力照明集团有限公司 | Increase substantially method and the device of Street Light Illumination scope |
| EP3093558A4 (en) * | 2013-12-16 | 2017-08-02 | Hongli Lighting Group Co., Ltd. | Method and device for greatly increasing irradiation range of street lamp |
| AU2014366126B2 (en) * | 2013-12-16 | 2016-07-28 | Hongli Lighting Group Co., Ltd. | Method and device for greatly increasing irradiation range of street lamp |
| CN103712159A (en) * | 2013-12-20 | 2014-04-09 | 深圳朗照光电有限公司 | Orientated light-emitting polarized light LED lens |
| CN103807806A (en) * | 2014-01-22 | 2014-05-21 | 宜兴市宏力灯杆灯具有限公司 | COB module LED road lamp lens light distribution method allowing 3-5 lanes to be irradiated |
| WO2015109891A1 (en) * | 2014-01-22 | 2015-07-30 | 宏力照明集团有限公司 | Light distribution method for cob module led streetlamp lens capable of illuminating 3-5 lanes |
| US9638393B2 (en) | 2014-01-22 | 2017-05-02 | Hongli Lighting Group Co., Ltd. | Light distribution method for COB module LED street lamp lens capable of illuminating 3-5 lanes |
| AU2014378815B2 (en) * | 2014-01-22 | 2016-08-25 | Hongli Lighting Group Co., Ltd. | Light distribution method for COB module LED streetlamp lens capable of illuminating 3-5 lanes |
| CN106461188A (en) * | 2014-03-27 | 2017-02-22 | 飞利浦照明控股有限公司 | Methods and apparatus for an asymmetric optical lens |
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| CN105276521A (en) * | 2014-05-28 | 2016-01-27 | 惠州Tcl照明电器有限公司 | Design method for polarizing lens, polarizing lens, and LED street lamp |
| CN104534405B (en) * | 2014-12-31 | 2017-07-21 | 东莞市汉龙礼品有限公司 | A kind of LED lens |
| CN104534405A (en) * | 2014-12-31 | 2015-04-22 | 东莞市汉龙礼品有限公司 | LED lens |
| CN106195916A (en) * | 2015-05-04 | 2016-12-07 | 全亿大科技（佛山）有限公司 | Lens |
| CN111033194A (en) * | 2017-06-22 | 2020-04-17 | 艾迈斯传感器新加坡私人有限公司 | Small-sized spectrometer module |
| CN107327806B (en) * | 2017-08-14 | 2019-05-17 | 广州市波电电子科技有限公司 | A kind of low-angle beam lens based on eccentric light source |
| CN107327806A (en) * | 2017-08-14 | 2017-11-07 | 广州市波电电子科技有限公司 | A kind of low-angle beam lens based on eccentric light source |
| CN110186012A (en) * | 2019-04-30 | 2019-08-30 | 上海智光慧芯照明科技有限公司 | A kind of LED module lens |
| CN111207365A (en) * | 2019-08-07 | 2020-05-29 | 友达光电股份有限公司 | Optical lens, light-emitting device and backlight module |
| CN111207365B (en) * | 2019-08-07 | 2022-04-19 | 友达光电股份有限公司 | Optical lens, light-emitting device and backlight module |
| WO2022143411A1 (en) * | 2020-12-31 | 2022-07-07 | 欧普照明股份有限公司 | Optical module and lighting device |
| CN113464881A (en) * | 2021-06-22 | 2021-10-01 | 深圳市睿光达光电有限公司 | Street lamp with polarisation anti-dazzle lens |
| CN113606506A (en) * | 2021-07-02 | 2021-11-05 | 深圳市海洋王照明工程有限公司 | Polarized lens LED lamp |
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