CN205014277U - Optical lens - Google Patents
Optical lens Download PDFInfo
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- CN205014277U CN205014277U CN201520677770.XU CN201520677770U CN205014277U CN 205014277 U CN205014277 U CN 205014277U CN 201520677770 U CN201520677770 U CN 201520677770U CN 205014277 U CN205014277 U CN 205014277U
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- Prior art keywords
- optical lens
- around
- exiting surface
- exiting
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Abstract
The utility model provides an optical lens, is including the installation department that goes out light zone, goes into light zone and connect a light zone and go into light zone. Go out light zone including first plain noodles having first camber, around first plain noodles and the second that has second camber go out the plain noodles, connect first and second plain noodles the buffering face and around and connect the peripheral face that goes out the plain noodles in the second, wherein, first camber is lighter than second camber, go into light zone and include and go out the plain noodles and for planar income plain noodles and around going into the plain noodles and for enclosing the face in the peripheral face for first and second, go into the plain noodles and enclose the facial features in with and is connected in order to form court's incurvate recess in plain noodles for holding the luminescence unit, and the installation department centers on and connects and outwards extend with income light zone and for going into light zone and going out light zone in a light zone. The optical lens's of present case laser angle is between 29 degrees to 46 degrees.
Description
Technical field
This case about a kind of optical lens, espespecially a kind of optical lens for LED.
Background technology
Light-emittingdiode (LightEmittingDiodel; LED) be a kind of semiconductor element that electric current can be converted to particular range of wavelengths.Light-emittingdiode is high with its brightness, operating voltage is low, power consumption is little, easily mate with IC, drive the advantages such as simple, the life-span is long, thus is widely used in lighting field as light source.
In recent years, utilize the lighting apparatus of LED to replace existing outdoor illumination equipment and become trend gradually, such as street lamp etc.But, the light of LED only sends with specific direction, not send uniform light towards whole direction, compared to the existing outdoor illumination equipment of whole directions luminescence, distribution of light property difference between the outdoor illumination equipment of LED illumination device and non-LED is very large, and therefore LED still has it to limit for outdoor illumination equipment.
In order to utilize light-emittingdiode better, industry usually to light-emittingdiode encapsulation after around it coated lens on light carry out optical correction.
How to provide a kind of bright dipping symmetrical and there are the lens of predetermined beam angle, for current those skilled in the art endeavours the target researched and developed.
Utility model content
For overcoming the many disadvantages of prior art, the utility model provides a kind of bright dipping symmetrical and has the optical lens of predetermined beam angle.
In an embodiment, this case proposes a kind of optical lens, for being covered on luminescence unit, this optical lens comprises: output optical zone, comprise the central authorities that are positioned at this output optical zone and have first curvature the first exiting surface, around this first exiting surface and have torsion the second exiting surface, connect this first exiting surface and this second exiting surface buffering suface and around and be connected to the peripheral surface of this second exiting surface, wherein, this first curvature is less than this torsion; Light incidence section, comprise relative to this first exiting surface and the second exiting surface and for the incidence surface of plane and around this incidence surface and relative to enclosing face in this peripheral surface, this incidence surface is connected to be formed the groove that is recessed into towards this exiting surface for holding this luminescence unit with this interior face of enclosing; And installation portion, its around and be connected to this output optical zone and this light incidence section and stretch out relative to this light incidence section and this output optical zone.
In the present embodiment, the beam angle of this optical lens is between 29 degree to 46 degree, and the focal length of this optical lens is 16.86mm ± 2%.
In another embodiment, this case proposes a kind of optical lens, and for being covered on luminescence unit, this optical lens comprises: output optical zone, comprise the exiting surface with curvature and around and be connected to the peripheral surface of this exiting surface; Light incidence section, comprises relative to this exiting surface and for the incidence surface of plane and around this incidence surface and relative to enclosing face in this peripheral surface, and this incidence surface is connected to be formed the groove that is recessed into towards this exiting surface for holding this luminescence unit with this interior face of enclosing; And installation portion, its around and be connected to this light incidence section and this output optical zone and stretch out relative to this light incidence section and this output optical zone.
In the present embodiment, the beam angle of this optical lens is between 70 degree to 100 degree, and the focal length of this optical lens is 16mm ± 2%.
Accompanying drawing explanation
Fig. 1 is the stereogram of the first embodiment of the optical lens of this case;
Fig. 2 is the top view of the first embodiment of the optical lens of this case;
Fig. 3 is the A-A sectional view of Fig. 2 of the first embodiment of the optical lens of this case;
Fig. 4 is the backstroke figure of the first embodiment of the optical lens of this case;
Fig. 5 is the opticpath figure of the first embodiment of the optical lens of this case;
Fig. 6 A and Fig. 6 B is respectively the horizontal and vertical light intensity distributions figure of the first embodiment of the optical lens of this case;
Fig. 7 is another light intensity distributions figure of the first embodiment of the optical lens of this case;
Fig. 8 is the stereogram of the second embodiment of the optical lens of this case;
Fig. 9 is the top view of the second embodiment of the optical lens of this case;
Figure 10 is the A-A sectional view of Fig. 9 of the second embodiment of the optical lens of this case;
Figure 11 is the backstroke figure of the second embodiment of the optical lens of this case;
Figure 12 is the opticpath figure of the second embodiment of the optical lens of this case;
Figure 13 A and Figure 13 B is respectively the horizontal and vertical light intensity distributions figure of the second embodiment of the optical lens of this case; And
Figure 14 is another light intensity distributions figure of the second embodiment of the optical lens of this case.
Symbol description
10,40 output optical zones
11 first exiting surfaces
12 second exiting surfaces
13 buffering sufaces
14,42 peripheral surface
41 exiting surfaces
20,50 light incidence sections
21,51 incidence surfaces
22, face is enclosed in 52
23,53 grooves
30,60 installation portions
31,61 first surfaces
32,62 second surfaces
33,63 side surfaces
34,64 installing holes
35,65 line outlet grooves
H1, h2 degree of depth
T1, t2 distance
R curvature
R1 first curvature
R2 torsion
R3 the 3rd curvature
R4 the 4th curvature
R5 the 5th curvature
R6 the 6th curvature.
Detailed description of the invention
The embodiment of this case is described by particular specific embodiment below, and the personage haveing the knack of this skill can be understood other advantages and effect of this case easily by content disclosed herein.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, for the understanding of personage and the reading of being familiar with this skill, and be not used to limit the enforceable qualifications of this case, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that this case can produce and the object that can reach, still all should drop on technology contents that this case discloses and obtain in the scope that can contain.
First embodiment
Refer to Fig. 1 to Fig. 4, it illustrates the stereogram of the first embodiment of the optical lens of this case, top view, A-A profile and backstroke figure respectively.The optical lens of this case comprises output optical zone 10, light incidence section 20 and installation portion 30.
Output optical zone 10 comprise be positioned at central authorities and have first curvature R1 the first exiting surface 11, around this first exiting surface 11 and have torsion R2 the second exiting surface 12, connect the first exiting surface 11 and the second exiting surface 12 and have the 3rd curvature R3 and the 4th curvature R4 buffering suface 13 and around and be connected to this second exiting surface 12 and there is the peripheral surface 14 of the 5th curvature R5 and the 6th curvature R6.
This first curvature R1 is less than this torsion R2, and wherein, this first curvature R1 is 24.8mm ± 2%; This torsion R2 is 64.2mm ± 2%.Buffering suface 13 comprises the recess of contiguous first exiting surface 11 and the lug boss of contiguous second exiting surface 12, and the 4th curvature R4 that this recess has the 3rd curvature R3 of about 1mm ± 2%, this lug boss has about 2mm ± 2%.This peripheral surface 14 comprises the recess of contiguous second exiting surface 12 and the lug boss of contiguous installation portion 30, and the 6th curvature R6 that this recess has the 5th curvature R5 of about 1mm ± 2%, this lug boss has about 2mm ± 2%.
Light incidence section 20 to comprise relative to this first exiting surface 11 and this second exiting surface 12 and for the incidence surface 21 of plane and enclose face 22 relative to this peripheral surface 14 in this incidence surface 21, this incidence surface 21 is connected to be formed towards the recessed groove 23 of this first exiting surface 11 such as, for holding luminescence unit (not shown), LED with this interior face 22 of enclosing.
This incidence surface 21, first exiting surface 11, second exiting surface 12 and buffering suface 13 form planoconvex spotlight substantially, it has the focal length of about 16.86mm ± 2%, and ultimate range (also can be considered the thickness of this planoconvex spotlight) t1 between this incidence surface 21 and this first exiting surface 11 is about 19.8mm ± 2%.The degree of depth h1 of groove 23 is greater than this focal length, and such as 18.1mm ± 2% is placed in the focus of this planoconvex spotlight for this luminescence unit.In addition, groove 23 reduces to its diameter of incidence surface 21 gradually from opening part, is about tapered to 53.4mm from 56.2mm, can hold the LED that size is about 10.5mm to 25mm.
Installation portion 30 around output optical zone 10 and light incidence section 20, be connected this peripheral surface 14 and this interiorly encloses face 22 and stretch out with output optical zone 10 relative to this light incidence section 20, and comprise multiple installing hole 34 and multiple line outlet groove 35.This installation portion 30 comprise this peripheral surface 14 of relative connection first surface 31, connect this and interiorly enclose the second surface 32 in face 22 and connect the side surface 33 of this first surface 31 and second surface 32, this installing hole 34 be formed on this side surface 33 for screw, this optical lens is fixed on the fixtures such as light fixture, this line outlet groove 35 is formed at and this second surface 32 can be placed in one for the electric wire of the luminescence unit of such as LED thus outwards passes from this groove 23.
Can be found out by the sectional view of Fig. 3, the size of installation portion 30 is greater than the size of the planoconvex spotlight be substantially made up of the first exiting surface 11, second exiting surface 12, buffering suface 13 and incidence surface 21.In addition, can be found out by the upward view of Fig. 4, the optical lens of this case is axial symmetry, substantial circle, and the line of two installing holes corresponding in shown four installing holes 34 is by the center of circle, guarantees this optical lens to be firmly installed on other fixtures by this.The line of two line outlet grooves 35 shown in another also passes through the center of circle.
In addition, consult Fig. 5, it illustrates the opticpath schematic diagram that light self-luminous diode penetrates through the optical lens of this case, and the beam angle of the optical lens of this case is between 29 degree to 46 degree.In addition, consult Fig. 6 A and Fig. 6 B, when measuring the distribution curve flux figure of optical lens, light-emittingdiode is the home position being placed in figure, and optical axis overlaps with 0 in figure degree, from Fig. 6 A and Fig. 6 B, the maximum candle light (candela) of the optical lens of this case is all 0 degree of part at level angle and vertical angle, luminous intensity has 4826cd, and more departs from its luminous intensity diminuendo of optical axis, and the luminous intensity as departed from 10 degree, optical axis is about 2413cd, depart from the luminous intensity of 15 degree, optical axis is about 1206cd.Separately consult Fig. 7, known light through the present embodiment optical lens emitted by distribution of light be essentially circular, axisymmetric, and vertical angle about 10 degree to 15 degree parts about have the maximum candle light of 50% level angle about 10 degree, i.e. 2412.8cd, close to 20 degree, vertical angle about 20 degree of parts about have the maximum candle light of 10%, i.e. 482.56cd to level angle.
Second embodiment
Refer to Fig. 8 to Figure 11, it illustrates the stereogram of the second embodiment of the optical lens of this case, top view, A-A profile and backstroke figure respectively.The optical lens of this case comprises output optical zone 40, light incidence section 50 and installation portion 60.
Output optical zone 40 comprise be positioned at central authorities and have curvature R exiting surface 41 and around and connect the peripheral surface 42 of this first exiting surface 41, this curvature R is 40.3mm ± 2%.
Light incidence section 50 to comprise relative to this exiting surface 41 and for the incidence surface 51 of plane and enclose face 52 relative to this peripheral surface 42 in this exiting surface 41, this incidence surface 51 is connected to be formed towards the recessed groove 53 of this exiting surface 41 such as, for holding luminescence unit (not illustrating), LED with this interior face 52 of enclosing.
Incidence surface 51 and exiting surface 41 form planoconvex spotlight substantially, and it has about 16mm ± 2%, and ultimate range (also can be considered the thickness of this planoconvex spotlight) t2 between this incidence surface 51 and this exiting surface 41 is about 17.9mm ± 2%.The degree of depth h2 of groove 53 is greater than this focal length, such as, be 17.3mm ± 2%, be placed in the focus of this planoconvex spotlight for this luminescence unit.In addition, groove 53 reduces to its diameter of incidence surface 51 gradually from opening part, is about tapered to 53.5mm from 56mm, can hold the LED that size is about 10.5mm to 25mm.
Installation portion 60 connects this peripheral surface 42 and this interiorly encloses face 52 and stretch out relative to this light incidence section 50 and output optical zone 40, and comprises multiple installing hole 64 and multiple line outlet groove 65.This installation portion 60 comprise this peripheral surface 42 of relative connection first surface 61, connect this and interiorly enclose the second surface 62 in face 52 and connect the side surface 63 of this first surface 61 and second surface 62, this installing hole 64 be formed on this side surface 63 for screw, this optical lens is fixed on the fixtures such as light fixture, this line outlet groove 65 is formed at and this second surface 62 can be placed in one for the electric wire of the luminescence unit of such as LED thus outwards passes from this groove 53.
Can be found out by the sectional view of Figure 10, the size of installation portion 60 is greater than the size of the planoconvex spotlight be substantially made up of exiting surface 41 and incidence surface 51.In addition, can be found out by the upward view of Figure 11, the optical lens of this case is axial symmetry, substantial circle, and the line of two installing holes corresponding in shown four installing holes 64 is by the center of circle, guarantees this optical lens to be firmly installed on other fixtures by this.The line of two line outlet grooves 65 shown in another also passes through the center of circle.
In addition, consult Figure 12, it illustrates the opticpath schematic diagram that light self-luminous diode penetrates through the optical lens of this case, and the beam angle of the optical lens of this case is between 70 degree to 100 degree.In addition, consult Figure 13 A and Figure 13 B, when measuring the distribution curve flux figure of optical lens, light-emittingdiode is the home position being placed in figure, optical axis overlaps with 0 in figure degree, from Figure 13 A and Figure 13 B, the maximum candle light (candela) of the optical lens of this case is 0 degree of part at level angle and vertical angle, luminous intensity has 1585cd, and more departing from its luminous intensity diminuendo of optical axis, the luminous intensity as departed from 15 degree, optical axis is about 1189cd, depart from the luminous intensity of 25 degree, optical axis is about 793cd, departs from the luminous intensity of 35 degree, optical axis and be about 396cd.Separately consult Figure 14, known light through the present embodiment optical lens emitted by distribution of light be essentially circular, axisymmetric, and vertical angle about 15 degree of parts about have the maximum candle light of 50% level angle about 25 degree, i.e. 792.695cd, level angle about 40 degree and vertical angle about 20 degree of parts about have the maximum candle light of 10%, i.e. 158.539cd.
In sum, this case provides two kinds of symmetric form optical lenses, one for beam angle 29 degree to 46 degree, focal length is 16.86mm ± 2%; Another be beam angle at 70 degree to 100 degree, focal length is 16mm ± 2%.By this, this case can will be sent by LED have specific direction uniform light guiding all directions.
Effect of above-described embodiment only illustrative this case, but not for limiting this case, any personage haveing the knack of this skill all under the spirit and category of this case, can carry out modifying to those embodiments above-mentioned and changes.In addition, the number of the structure in those embodiments above-mentioned is only illustrative, also non-for limiting this case.Therefore the rights protection scope of this case, should listed by claims.
Claims (10)
1. an optical lens, for being covered on luminescence unit, it is characterized by, this optical lens comprises:
Output optical zone, comprise the central authorities that are positioned at this output optical zone and have first curvature the first exiting surface, around this first exiting surface and have torsion the second exiting surface, connect this first exiting surface and this second exiting surface buffering suface and around and be connected to the peripheral surface of this second exiting surface, wherein, this first curvature is less than this torsion;
Light incidence section, comprise relative to this first exiting surface and this second exiting surface and for the incidence surface of plane and around this incidence surface and relative to enclosing face in this peripheral surface, this incidence surface is connected to be formed the groove that is recessed into towards this exiting surface for holding this luminescence unit with this interior face of enclosing; And
Installation portion, its around and be connected to this output optical zone and this light incidence section and stretch out relative to this light incidence section and output optical zone.
2. optical lens as claimed in claim 1, it is characterized by, the beam angle of this optical lens is between 29 degree to 46 degree, and the focal length of this optical lens is 16.86mm ± 2%, and the degree of depth of this groove is greater than the focal length of this optical lens.
3. optical lens as claimed in claim 1, it is characterized by, this first curvature is 24.8mm ± 2%, and this torsion is 64.2mm ± 2%, and this first exiting surface is 19.8mm ± 2% to the distance of this incidence surface.
4. optical lens as claimed in claim 1, it is characterized by, this installation portion comprise around and be connected to the first surface of this peripheral surface, around and be connected to this interior enclose face second surface, the side surface connecting this first surface and this second surface, be formed at multiple installing hole of this side surface and be formed at multiple line outlet grooves of this second surface.
5. optical lens as claimed in claim 1, it is characterized by, the material of this optical lens is glass.
6. an optical lens, for being covered on luminescence unit, it is characterized by, this optical lens comprises:
Output optical zone, comprise the exiting surface with curvature and around and connect the peripheral surface of this exiting surface;
Light incidence section, comprises relative to this exiting surface and for the incidence surface of plane and around this incidence surface and relative to enclosing face in this peripheral surface, and this incidence surface is connected to be formed the groove that is recessed into towards this exiting surface for holding this luminescence unit with this interior face of enclosing; And
Installation portion, its around and be connected to this light incidence section and this output optical zone and stretch out relative to this light incidence section and this output optical zone.
7. optical lens as claimed in claim 6, it is characterized by, the beam angle of this optical lens is between 70 degree to 100 degree, and the focal length of this optical lens is 16mm ± 2%, and the degree of depth of this groove is greater than the focal length of this optical lens.
8. optical lens as claimed in claim 6, it is characterized by, the curvature of this exiting surface is at 40.3mm ± 2%, and this exiting surface is 17.9mm ± 2% to the distance of this incidence surface.
9. optical lens as claimed in claim 6, it is characterized by, this installation portion comprise around and be connected to the first surface of this peripheral surface, around and be connected to this interior enclose face second surface, the side surface connecting this first surface and this second surface, be formed at multiple installing hole of this side surface and be formed at multiple line outlet grooves of this second surface.
10. optical lens as claimed in claim 6, it is characterized by, the material of this optical lens is glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677770.XU CN205014277U (en) | 2015-09-02 | 2015-09-02 | Optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677770.XU CN205014277U (en) | 2015-09-02 | 2015-09-02 | Optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205014277U true CN205014277U (en) | 2016-02-03 |
Family
ID=55212878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520677770.XU Expired - Fee Related CN205014277U (en) | 2015-09-02 | 2015-09-02 | Optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205014277U (en) |
-
2015
- 2015-09-02 CN CN201520677770.XU patent/CN205014277U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180223 Address after: 516369 Huidong County Sun Industrial City, Huizhou, Guangdong Patentee after: HUILAN LIGHTING (HUIDONG) CO.,LTD. Address before: The 91744 California industrial city about Bitanan No. 505 Patentee before: GRAND LIGHTING INTERNATIONAL INC. |
|
| 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: 20160203 |