CN203963811U - A kind of small power LED street lamp lens - Google Patents
A kind of small power LED street lamp lens Download PDFInfo
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- CN203963811U CN203963811U CN201420277859.2U CN201420277859U CN203963811U CN 203963811 U CN203963811 U CN 203963811U CN 201420277859 U CN201420277859 U CN 201420277859U CN 203963811 U CN203963811 U CN 203963811U
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Abstract
The utility model relates to LED lens technologies field, a kind of small power LED street lamp lens are provided especially, it adopts disc-shaped structure to be more applicable to the fitting structure of low-power LED lamp, lenticular body on Rational Arrangement lens section, thereby make also can in field of illumination, produce uniform light field in the situation that of LED lamp pearl negligible amounts, in addition, the region division that the lens section of these lens does not arrange lenticular body has frosted line, therefore emergent light its separated gold-tinted and blue light after outgoing can again mix under the diffuse reflection effect of frosted line, improve euphorosia degree and colour rendering, and light distribution scheme is is 135 ° to 145 ° at and half-intensity beam angle symmetrical in C0 face light intensity, it is 75 ° to 85 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle, further ensure this light mixed effect, ensure that it final goes out light effect.
Description
Technical field
The utility model relates to LED lens technologies field, particularly a kind of small power LED street lamp lens.
Background technology
Along with the development of electronic semi-conductor's technology, LED illumination has obtained universal widely.Particularly in field of street lamp lighting, LED is because it is low in energy consumption, the life-span long and safeguard that the feature such as easy is more and more applied.In conjunction with the photocurrent versus light intensity of LED lamp pearl, the basic system of LED street lamp is on radiating seat, to fix multiple LED lamp pearls, then on lamp pearl, covers LED street lamp lens so that light produces suitable refraction or reflection according to road lighting demand.But, current should LED illumination be generally some major trunk roads, these occasions generally adopt high-power LED lamp, relevant lens also design for high-powered LED lamp.And for some country lanes, (field of illumination is less, lumen requires lower), LED popularity is still inadequate at present, one of them important reason is exactly that current high-power LED street lamp considers to be not suitable for country lane from the aspect such as power, lumen, there is no the fitting structure for this country lane occasion reality specially.Adopt LED illumination if therefore want at present in this occasion, generally there are two kinds of modes, be by force by the lamp pearl in current LED street lamp to changing into low power LED lamp pearl and reducing a LED lamp pearl quantity, can be because LED lens do not mate and cause bright dipping weak effect with LED lamp pearl.Another kind of be to adopt the fitting structure of original adaptive incandescent lamp, adopt reflector to adopt the LED bulb of imitative bulb structure, this illumination unevenness that can cause simultaneously.Therefore, provide a kind of street lamp lens for this application scenario of country lane to seem particularly important.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and a kind of small power LED street lamp lens is provided, this street lamp lens can ensure still to keep the even of overall light field in the situation that of LED lamp pearl negligible amounts, and better adaptive low power LED lamp pearl, thereby ensure overall illumination effect.
The purpose of this utility model is achieved through the following technical solutions:
A kind of small power LED street lamp lens are provided, it is characterized in that: comprise disc-shaped body, described body comprises the installation portion on discoid lens section and ring lens section week edge, described lens section be provided with K row set of lenses (K be greater than 3 and permanent be odd number), every row set of lenses comprises and is no less than two protruding lenticular bodies, wherein (K+1)/2 row set of lenses is arranged symmetrically with along a diameter of described lens section, the 1st is arranged symmetrically with taking described diameter as symmetry axis to (K-1)/2 row set of lenses and (K+3)/2 to K row set of lenses, the lenticular body quantity that each row set of lenses comprises with (K+1)/2 row set of lenses at most and classify center as with (K+1)/2 and successively decrease along both wings, the setting of staggering of the lenticular body of adjacent lens group, described lenticular body forms light source accommodating cavity, described light source accommodating cavity comprises the LED chip accommodating cavity of the LED chip that can be coated light source to be installed, the inner surface of described LED chip accommodating cavity is the plane of incidence of lenticular body, described lenticular body is exit facet towards a side of its protrusion direction, the described plane of incidence is that middle part curvature is greater than the curved surface of week along curvature, the region division that described lens section does not arrange lenticular body has frosted line.
Wherein, light from plane of incidence incident during from exit facet outgoing light intensity be distributed as: in C0 face light intensity, symmetrical and half-intensity beam angle is 135 ° to 145 °, is 75 ° to 85 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle.
Wherein, the relatively described installation portion projection of described lens section.
Wherein, the exit facet of described lenticular body is bimodal shape so that emergent ray is bat airfoil distribution.
Wherein, described lens section is provided with protruding positioning seat, described positioning seat accent towards with described light source accommodating cavity accent towards consistent positioning chamber, the protrusion direction of described positioning seat is consistent with the protrusion direction of described lenticular body, and the height of projection of positioning seat is less than 1/2. of lenticular body height of projection.
Wherein, described installation portion and lens section are through injection moulding integrated molding.
Wherein, be also provided with the substrate accommodation seat of substrate that can accommodating light source in described light source accommodating cavity, the degree of depth of described substrate accommodation seat is less than the degree of depth of described LED chip accommodating cavity.
Wherein, described installation portion is provided with fixing hole and locating dowel.
Wherein, light from plane of incidence incident during from exit facet outgoing light distribution meet the demands: in C0 face light intensity, symmetrical and half-intensity beam angle is 140 °, is 80 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle.
The beneficial effects of the utility model: the utility model provides a kind of small power LED street lamp lens, it adopts disc-shaped structure to be more applicable to the fitting structure of low-power LED lamp, reasonably arrange the lenticular body on lens section, because (K+1)/2 row set of lenses is arranged symmetrically with along a diameter of described lens section, the 1st is arranged symmetrically with taking described diameter as symmetry axis to (K-1)/2 row set of lenses and (K+3)/2 to K row set of lenses, thereby make also can in field of illumination, produce uniform light field in the situation that of LED lamp pearl negligible amounts, and can not produce the situation of the illumination unevenness causing as reflecting cup structure, in addition, the region division that the lens section of these lens does not arrange lenticular body has frosted line, therefore after emergent light outgoing, separated gold-tinted and blue light can again mix under the diffuse reflection effect of frosted line, improve euphorosia degree and colour rendering, and light distribution scheme is is 135 ° to 145 ° at and half-intensity beam angle symmetrical in C0 face light intensity, it is 75 ° to 85 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle, further ensure this mixed effect, in addition, the plane of incidence of the present utility model is that middle part curvature is greater than week along the curved surface of curvature, and this kind of plane of incidence structure be the characteristics of luminescence of the middle low power lamp pearl such as adaptive 2835 pearls such as small light such as grade better, has ensured that it final goes out light effect.
Brief description of the drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of small power LED street lamp lens of the utility model.
Fig. 2 is the structural representation at another visual angle of a kind of small power LED street lamp lens of the utility model.
Detailed description of the invention
With the following Examples the utility model is further described.
The detailed description of the invention of a kind of small power LED street lamp lens of the utility model, as depicted in figs. 1 and 2, comprising:
Comprise disc-shaped body, described body comprises the installation portion 2 on discoid lens section 1 and ring 1 week edge of lens section, described installation portion 2 and lens section 1 are through injection moulding integrated molding, described lens section 1 is provided with 5 row set of lenses, every row set of lenses comprises and is no less than two protruding lenticular bodies 3, wherein the 3rd row set of lenses is arranged symmetrically with along a diameter of described lens section 1, the the 1st to the 2nd row set of lenses and the 4th to the 5th row set of lenses are arranged symmetrically with taking described diameter as symmetry axis, lenticular body 3 quantity that each row set of lenses comprises are successively decreased to both wings at most and from the 3rd row with the 3rd row set of lenses, the setting of staggering of the lenticular body 3 of adjacent lens group, described lenticular body 3 is formed with light source accommodating cavity 32, described light source accommodating cavity 32 comprises the LED chip accommodating cavity 321 of the LED chip that can be coated light source to be installed and the substrate accommodation seat 322 of substrate that can accommodating light source, the square groove seat of the degree of depth of described substrate accommodation seat 322 described LED chip accommodating cavity 321 for the degree of depth is less than, can fix the substrate of light source, the inner surface of described LED chip accommodating cavity 321 is the plane of incidence of lenticular body 32, described lenticular body 3 is exit facet 31 towards a side of its protrusion direction, the described plane of incidence is that middle part curvature is greater than the curved surface of week along curvature, the region division that described lens section 1 does not arrange lenticular body has frosted line, light from plane of incidence incident during from exit facet 31 outgoing light distribution meet the demands: in C0 face light intensity, symmetrical and half-intensity beam angle is 135 ° to 145 °, is 75 ° to 85 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle.
Above-mentioned LED lens are owing to adopting disc-shaped structure to be more applicable to the fitting structure of low-power LED lamp, the arrangement mode of the lenticular body 3 on lens section 1 of reasonably arranging, thereby make also can in field of illumination, produce uniform light field in the situation that of LED lamp pearl negligible amounts, and can not produce the situation of the illumination unevenness causing as reflecting cup structure, in addition, the region division that the lens section 1 of these lens does not arrange lenticular body has frosted line, therefore emergent light separated gold-tinted and blue light after outgoing can again mix under the diffuse reflection effect of frosted line, improve euphorosia degree and colour rendering, and light distribution scheme is is 135 ° to 145 ° at and half-intensity beam angle symmetrical in C0 face light intensity, it is 75 ° to 85 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle, further ensure this mixed effect, in addition, the plane of incidence of the present utility model is that middle part curvature is greater than week along the curved surface of curvature, and this kind of plane of incidence structure be the characteristics of luminescence of the middle low power lamp pearl such as adaptive 2835 pearls such as small light such as grade better, has ensured that it final goes out light effect.It should be noted that, set of lenses can not be also 5 row, and it can be 3 row, can be also 7 row, as long as be greater than 3 and perseverance be odd column.
Relatively described installation portion 2 projections of described lens section 1.Light that so can blocker lens portion 1 side does not send due to the projection of immobilising device in the time the immobilising devices such as screw being set on installation portion 2.
The exit facet 31 of described lenticular body 3 is bimodal shape so that emergent ray is bat airfoil distribution.Street lamp field, adopts the optical field distribution of bat aerofoil profile to be more applicable for street lighting demand.
Described lens section 1 is provided with protruding positioning seat 11, described positioning seat 11 accents towards with described light source accommodating cavity 32 accents towards consistent positioning chamber 111, the protrusion direction of described positioning seat 11 is consistent with the protrusion direction of described lenticular body 3, and the height of projection of positioning seat 11 is less than 1/2 of lenticular body 3 heights of projection.Inevitably need to be fixed owing to being used for fixing on the pcb board of LED lamp pearl, therefore reserved positioning seat 11 on lens, the positioning chamber 111 of positioning seat 11 on the one hand both can accommodating fixture to fix pcb board, also ensured the quick location between lens and pcb board simultaneously.In addition the convex design of positioning seat 11 is less than 1/2 of height of projection, can reduce as far as possible like this it and can not cause interference to the emergent light of lens.
Described installation portion 2 is provided with fixing hole 21 and locating dowel 22.Fixing hole 21 is for lens entirety is fixed to light fixture, and locating dowel 22 is fixed for ensureing the relative position between lens and light fixture.
Preferably, light distribution scheme can also be: the light of these lens from plane of incidence incident during from exit facet 31 outgoing light distribution meet the demands: in C0 face light intensity, symmetrical and half-intensity beam angle is 140 °, is 80 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle.Can obtain optimum efficiency through surveying this light distribution scheme.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (9)
1. small power LED street lamp lens, it is characterized in that: comprise disc-shaped body, described body comprises the installation portion on discoid lens section and ring lens section week edge, described lens section is provided with K row set of lenses, K be greater than 3 and permanent be odd number, every row set of lenses comprises and is no less than two protruding lenticular bodies, wherein (K+1)/2 row set of lenses is arranged symmetrically with along a diameter of described lens section, the 1st is arranged symmetrically with taking described diameter as symmetry axis to (K-1)/2 row set of lenses and (K+3)/2 to K row set of lenses, the lenticular body quantity that each row set of lenses comprises with (K+1)/2 row set of lenses at most and classify center as with (K+1)/2 and successively decrease along both wings, the setting of staggering of the lenticular body of adjacent lens group, described lenticular body forms light source accommodating cavity, described light source accommodating cavity comprises the LED chip accommodating cavity of the LED chip that can be coated light source to be installed, the inner surface of described LED chip accommodating cavity is the plane of incidence of lenticular body, described lenticular body is exit facet towards a side of its protrusion direction, the described plane of incidence is that middle part curvature is greater than the curved surface of week along curvature, the region division that described lens section does not arrange lenticular body has frosted line.
2. a kind of small power LED street lamp lens as claimed in claim 1, it is characterized in that: light from plane of incidence incident during from exit facet outgoing light intensity be distributed as: in C0 face light intensity, symmetrical and half-intensity beam angle is 135 ° to 145 °, is 75 ° to 85 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle.
3. a kind of small power LED street lamp lens as claimed in claim 1, is characterized in that: the relatively described installation portion projection of described lens section.
4. a kind of small power LED street lamp lens as claimed in claim 1, is characterized in that: the exit facet of described lenticular body is bimodal shape so that emergent ray is bat airfoil distribution.
5. a kind of small power LED street lamp lens as claimed in claim 1, it is characterized in that: described lens section is provided with protruding positioning seat, described positioning seat accent towards with described light source accommodating cavity accent towards consistent positioning chamber, the protrusion direction of described positioning seat is consistent with the protrusion direction of described lenticular body, and the height of projection of positioning seat is less than 1/2. of lenticular body height of projection.
6. a kind of small power LED street lamp lens as claimed in claim 1, is characterized in that: described installation portion and lens section are through injection moulding integrated molding.
7. a kind of small power LED street lamp lens as claimed in claim 1, is characterized in that: in described light source accommodating cavity, be also provided with the substrate accommodation seat of substrate that can accommodating light source, the degree of depth of described substrate accommodation seat is less than the degree of depth of described LED chip accommodating cavity.
8. a kind of small power LED street lamp lens as claimed in claim 1, is characterized in that: described installation portion is provided with fixing hole and locating dowel.
9. a kind of small power LED street lamp lens as claimed in claim 1, it is characterized in that: light from plane of incidence incident during from exit facet outgoing light distribution meet the demands: in C0 face light intensity, symmetrical and half-intensity beam angle is 140 °, is 80 ° in C90 face light intensity asymmetric distribution and half-intensity beam angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277859.2U CN203963811U (en) | 2014-05-28 | 2014-05-28 | A kind of small power LED street lamp lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277859.2U CN203963811U (en) | 2014-05-28 | 2014-05-28 | A kind of small power LED street lamp lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963811U true CN203963811U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277859.2U Expired - Fee Related CN203963811U (en) | 2014-05-28 | 2014-05-28 | A kind of small power LED street lamp lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963811U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864720A (en) * | 2016-05-30 | 2016-08-17 | 众普森科技（株洲）有限公司 | Strip-shaped light distribution unit and light distribution assembly |
| CN106969328A (en) * | 2017-05-11 | 2017-07-21 | 陈强 | A kind of plug-in unit LED lamp bead lens and lens group |
| CN107525037A (en) * | 2016-06-21 | 2017-12-29 | 深圳福凯半导体技术股份有限公司 | LED lens and the bulkhead lamp with the LED lens |
| CN108462433A (en) * | 2018-03-19 | 2018-08-28 | 绿尚太阳能科技（淮安）有限公司 | Efficient concentrated solar energy solar panel combination unit |
-
2014
- 2014-05-28 CN CN201420277859.2U patent/CN203963811U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864720A (en) * | 2016-05-30 | 2016-08-17 | 众普森科技（株洲）有限公司 | Strip-shaped light distribution unit and light distribution assembly |
| CN105864720B (en) * | 2016-05-30 | 2020-08-04 | 众普森科技（株洲）有限公司 | Bar-shaped light distribution unit and light distribution assembly |
| CN107525037A (en) * | 2016-06-21 | 2017-12-29 | 深圳福凯半导体技术股份有限公司 | LED lens and the bulkhead lamp with the LED lens |
| CN106969328A (en) * | 2017-05-11 | 2017-07-21 | 陈强 | A kind of plug-in unit LED lamp bead lens and lens group |
| CN108462433A (en) * | 2018-03-19 | 2018-08-28 | 绿尚太阳能科技（淮安）有限公司 | Efficient concentrated solar energy solar panel combination unit |
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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 |
Granted publication date: 20141126 Termination date: 20160528 |