CN203431718U - Polarizing type LED street lamp glass lens - Google Patents
Polarizing type LED street lamp glass lens Download PDFInfo
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- CN203431718U CN203431718U CN201320524450.1U CN201320524450U CN203431718U CN 203431718 U CN203431718 U CN 203431718U CN 201320524450 U CN201320524450 U CN 201320524450U CN 203431718 U CN203431718 U CN 203431718U
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- Prior art keywords
- light
- lens
- street lamp
- led street
- glass lens
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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
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a polarizing type LED street lamp glass lens which is used for covering an LED chip of a luminous source of an LED street lamp. The polarizing type LED street lamp glass lens comprises a lens body. The lens body comprises a light outlet part and a light inlet part. The light outlet part is formed on the lens body and provided with a light outlet surface shaped like a free-form surface; the light inlet part is of a sunken structure, and the sunken structure is formed on the portion, opposite to the side surface where the light outlet part is located, of the lens body and can contain the LED chip; the light inlet surface of the light inlet part serves as the top surface of the sunken structure, and an irregular hemisphere used for guiding light according to different illumination field requirements is formed between the light outlet surface of the light outlet part and the light inlet surface of the light inlet part. Compared with the prior art, the polarizing type LED street lamp glass lens has the advantages that by means of the reformation design of the structure of the light inlet part of the glass lens and the structure of the light outlet part of the glass lens, the optimum lens angle and energy distribution are specifically designed based on the ratio of the width of a street to the height of a lamp post to the energy of a light source so as to carry out light guide design for the lens, LED luminous energy can be reasonably distributed on the street, and the luminous energy utilization ratio of the LED street lamp is improved.
Description
Technical field
The utility model relates to optical articles technical field, particularly a kind of polarized light type LED street lamp glass lens.
Background technology
LED lens are mainly PMMA (acrylic), Polycarbonate (PC) Merlon and glass etc. with material in the market, wherein light transmittance and heatproof glass have good advantage, but glass processing precision is difficult for realizing, and high-precision processing cost is higher.
LED lens bright dipping mode has direct penetration, total-reflection type, and employing mode depends primarily on structure space whether restricted of mounted lens.
The major function of LED lens is that the luminous energy of LED light source is evenly distributed in needed irradiation space, in image optics lens, there is the difference in function, so consider that Energy distribution is first, not high to the spherical aberration in normalized optical system, aberration precision, to adopting normalized optical system standard to pass judgment on the technical indicator of LED lens unreasonable on market, but be not just not consider its optical technology index yet.To lens, major requirement is the hot spot that (a) luminous energy distributes to LED optical lens; (b) weatherability of lens, because the environment conditional of LED light fixture work is poor, and requires to reach several years service life even more than decades; (c) high to the percent of pass of luminous energy, the object of LED lamp installation is illumination, and the loss that reduces energy is emphasis.
The luminous of LED street lamp and conventional road lamp is essentially different, the luminous intensity distribution of conventional road lamp completes by reflector, and LED street lamp has also adopted lens type luminous intensity distribution except adopting reflector light-configuration mode, the lighting angle of conventional road lamp is all very large, can be more than 140 degree, and luminous energy relatively disperses like this, luminous energy gradually changeable is relatively good, but, because irradiating angle is excessive, a lot of luminous energy is all distributed on useless space, causes luminous energy interest rate low.
On market, LED street lamp lens is a lot, 1-5W distributing is installed, and the above integrated form installation of 50W, and rectangular light spot is that market is leading, luminous energy skewness is existing market common fault, the LED street lamp lens of 10-30W is rare, is all semicircle lens, and materials are many, weight kind, specific aim is not strong, and effect is undesirable, and this has brought limitation to the structural design of LED street lamp.Particularly current LED street lamp lens is on the market produced and pushes up sales for convenient, on mounting means, all accomplished general, not for the width of road, pole height, energy of light source relation recently specific aim design best lens angle and Energy distribution, caused very low of the efficiency of light energy utilization.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of polarized light type LED street lamp glass lens.
The technical solution of the utility model is achieved in that
A kind of polarized light type LED street lamp glass lens, be used for covering LED street lamp light emitting source LED chip, comprise lens body, described lens body comprises light out part and light in part, described light out part is formed at this body and has a light output surface that is free form surface, described light in part, for sunk structure, this sunk structure is formed at this body can hold LED chip in contrast to a side at this light out part place, the incidence surface of this light in part is the end face of this sunk structure, between the exiting surface of described light out part and the incidence surface of light in part, formed for carry out the irregular half sphere shape of leaded light according to difference illumination field demand.
Preferably, the center knob of described light out part divides slope, curved mound type, and it is irregular semi-circular that the sunk structure of described light in part is.
Preferably, the both sides of described sunk structure are also provided for respectively the accommodation space of the wiring point of accommodating LED chip, the groove of described accommodation space for offering according to wiring point size.
Preferably, described lens body below is connected with the bonding seat of lens, and the bonding seat of described lens profile is ring-type, and the bottom of this bonding seat is that smooth plane is convenient to adhered circuit board.
Preferably, described bonding seat is made into integration with lens body.
Preferably, described bonding seat bottom also comprises the positioning convex column that at least one is down protruded by this body bottom.
Compared with prior art, the utility model has following beneficial effect:
1, polarized light type LED street lamp glass lens of the present utility model, by the improvement and design of glass lens light in part and light out part structure, LED light-use can be maximized, combine the actual installation situation of modern road and lamp stand, vehicle driver's eye recognition characteristic, to the width of road, pole height, energy of light source relation recently specific aim design the leaded light design that best lens angle and Energy distribution are carried out lens, LED luminous energy reasonably can be distributed on road, increase the efficiency of light energy utilization of LED street lamp;
2, the LED glass lens that the utility model adopts has fabulous weatherability, can under harsh climate environment, never degenerate, modification not, corrosion-resistant, ageing-resistant, more than heatproof can reach 300 degree, there is high transmission rate, light transmittance can be high to 99% after can reaching 97% plated film, and this is that other materials lens are irreplaceable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the front view of the utility model polarized light type LED street lamp glass lens;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the upward view of Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1-4, a kind of polarized light type LED street lamp glass lens, be used for covering LED street lamp light emitting source LED chip 1, the LED chip 1 that the present embodiment adopts is SMD, described glass lens comprises lens body 2, described lens body 2 comprises light in part 3 and light out part 4, light in part 3 is that LED chip 1 is when luminous, luminous energy has just entered the part of lens body 2, 4 of light out part are the parts that luminous energy is about to penetrate lens body 2, described light out part 4 is formed at this body and has an exiting surface 41 that is free form surface, described light in part 3, for sunk structure 31, this sunk structure 31 is formed at this body can hold LED chip 1 in contrast to a side at this light out part place, the end face that the incidence surface 32 of this light in part 3 is this sunk structure, between the exiting surface 41 of described light out part 4 and the incidence surface 32 of light in part 3, formed for carry out the irregular half sphere shape 5 of leaded light according to difference illumination field demand, the specific design of the present embodiment is: lens body 2 overall diameter 35MM, high 11.7MM, endoporus (being sunk structure 31) diameter 16MM, endoporus (being sunk structure) degree of depth 5MM, rims of the lens thickness 3MM, center knob is divided into slope, curve mound type, it is irregular semi-circular that central concave place becomes, the center knob that is light out part 4 divides the sunk structure 31(of (referring to exiting surface 41) curved mound slope type and light in part 3 to refer to incidence surface 32) be irregular semi-circular, the both sides of described sunk structure 31 are also provided for respectively the accommodation space of the wiring point of accommodating LED chip, the groove 6 of described accommodation space for offering according to wiring point size, described lens body 2 belows are connected with the bonding seat 7 of lens, and the bonding seat of described lens 7 profiles are ring-type, and the bottom of this bonding seat is that smooth plane is convenient to adhered circuit board, the bonding seat 7 of described lens is made into integration with lens body 2, is convenient to batch production.
In some useful embodiment, the bonding seat of described lens 7 bottoms also comprise at least one positioning convex column of down being protruded by this body bottom, and those projections can guarantee that the better fixed cover of lens body 2 is located on LED chip.
Known according to the structure of the utility model embodiment, polarized light type LED street lamp glass lens of the present utility model, by the improvement and design of glass lens light in part and light out part structure, LED light-use can be maximized, combine the actual installation situation of modern road and lamp stand, vehicle driver's eye recognition characteristic, to the width of road, pole height, energy of light source relation recently specific aim design the leaded light design that best lens angle and Energy distribution are carried out lens, LED luminous energy reasonably can be distributed on road, increase the efficiency of light energy utilization of LED street lamp; Meanwhile, the LED glass lens of employing has fabulous weatherability, can under harsh climate environment, never degenerate, not modification, corrosion-resistant, ageing-resistant, more than heatproof can reach 300 degree, have high transmission rate, light transmittance can be high to 99% after can reaching 97% plated film, and this is that other materials lens are irreplaceable.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a polarized light type LED street lamp glass lens, be used for covering LED street lamp light emitting source LED chip, comprise lens body, it is characterized in that, described lens body comprises light out part and light in part, described light out part is formed at this body and has a light output surface that is free form surface, described light in part, for sunk structure, this sunk structure is formed at this body can hold LED chip in contrast to a side at this light out part place, the incidence surface of this light in part is the end face of this sunk structure, between the exiting surface of described light out part and the incidence surface of light in part, formed for carry out the irregular half sphere shape of leaded light according to difference illumination field demand.
2. polarized light type LED street lamp glass lens as claimed in claim 1, is characterized in that, the center knob of described light out part divides slope, curved mound type, and it is irregular semi-circular that the sunk structure of described light in part is.
3. polarized light type LED street lamp glass lens as claimed in claim 1, is characterized in that, the both sides of described sunk structure are also provided for respectively the accommodation space of the wiring point of accommodating LED chip, the groove of described accommodation space for offering according to wiring point size.
4. polarized light type LED street lamp glass lens as claimed in claim 1, is characterized in that, described lens body below is connected with the bonding seat of lens, and the bonding seat of described lens profile is ring-type, and the bottom of this bonding seat is that smooth plane is convenient to adhered circuit board.
5. polarized light type LED street lamp glass lens as claimed in claim 4, is characterized in that, described bonding seat is made into integration with lens body.
6. polarized light type LED street lamp glass lens as claimed in claim 4, is characterized in that, described bonding seat bottom also comprises the positioning convex column that at least one is down protruded by this body bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524450.1U CN203431718U (en) | 2013-08-27 | 2013-08-27 | Polarizing type LED street lamp glass lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524450.1U CN203431718U (en) | 2013-08-27 | 2013-08-27 | Polarizing type LED street lamp glass lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203431718U true CN203431718U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524450.1U Expired - Fee Related CN203431718U (en) | 2013-08-27 | 2013-08-27 | Polarizing type LED street lamp glass lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203431718U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990037A (en) * | 2015-07-28 | 2015-10-21 | 张家港市德力特新材料有限公司 | Organic glass LED lens |
| CN107131449A (en) * | 2017-04-01 | 2017-09-05 | 中山市三晖照明科技有限公司 | A kind of high-power light distribution type LED lamp tool of paster |
| 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 |
-
2013
- 2013-08-27 CN CN201320524450.1U patent/CN203431718U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990037A (en) * | 2015-07-28 | 2015-10-21 | 张家港市德力特新材料有限公司 | Organic glass LED lens |
| CN107131449A (en) * | 2017-04-01 | 2017-09-05 | 中山市三晖照明科技有限公司 | A kind of high-power light distribution type LED lamp tool of paster |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160827 |