CN104390195A - Lens for LED illumination - Google Patents
Lens for LED illumination Download PDFInfo
- Publication number
- CN104390195A CN104390195A CN201410794781.6A CN201410794781A CN104390195A CN 104390195 A CN104390195 A CN 104390195A CN 201410794781 A CN201410794781 A CN 201410794781A CN 104390195 A CN104390195 A CN 104390195A
- Authority
- CN
- China
- Prior art keywords
- lens
- groove
- millimeters
- platform
- led illumination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 34
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 210000001624 hip Anatomy 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 28
- 239000000017 hydrogel Substances 0.000 description 14
- 239000000377 silicon dioxide Substances 0.000 description 14
- 239000000499 gel Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lens for an LED illuminating lamp. The lens comprises a lens platform (1) and a lens body (2) arranged on the lens platform (1); a circuit board (12) is arranged at the lower end of the lens platform (1). The lens is characterized in that the lens body (2) comprises a light emitting part (7) and a clamping part (8); the light emitting part (7) is positioned at the upper end of the clamping part (8); the clamping part (8) is clamped on the lens platform (1); the light emitting part (7) comprises first curved surfaces (3) arranged at both the left lateral surface and the right lateral surface of the light emitting part (7) and second curved surfaces arranged at both the front lateral surface and the back lateral surface of the light emitting part (7); the profile of projections of the first curved surfaces (3) and the second curved surfaces (4) on the lens platform (1) is in a shape of an oval; a first included angle alpha formed by tangent lines of the two first curved surfaces (3) is 70 degrees to 80 degrees. The lens for LED illumination, provided by the invention is large in lens emitting angle, large in illuminating range, and high in effective utilization rate of lights.
Description
Technical field
The present invention relates to a kind of lens, especially relate to a kind of LED illumination lens.
Background technology
The angle of departure of the light that the lens of LED illumination lamp send generally can at about 120 degree, hot spot is circular, illumination zone causes too greatly the effective rate of utilization of light low, and the vision of the mankind more adapts to microscler visual range usually, that therefore causes visual range and human vision to be accustomed to is not inconsistent simultaneously yet, according to prior art, State Intellectual Property Office website discloses a kind of elliptical lenses portable lamp, the technique effect of hot spot can be realized reasonably reducing by arranging elliptical lenses, further via the elliptical lenses that lens shape in the both direction being arranged on light path is different, the technique effect of the hot spot that formation two pole axis direction distances do not wait can be realized, lens lighting angle is too little, illumination zone is too little.
Summary of the invention
Technical problem to be solved by this invention is: the defect overcoming above prior art, provides the large illumination zone of a kind of lens lighting angle large and the LED illumination lens that effective utilization rate of light is high.
The technical solution used in the present invention is: a kind of LED illumination lamp lens, comprise lens platform and be located at the lens body in lens platform, described lens platform lower end is provided with circuit board, described lens body comprises illuminating part and Access Division, described luminous site is in the upper end of Access Division, described Access Division is stuck in lens platform, described illuminating part comprises the first surface being located at illuminating part left and right side and the second curved surface being located at illuminating part front and back sides, described first surface and the second curved surface are oval at the profile of the projection of lens platform, the first angle that the tangent line of two described first surfaces is formed is 70 ° ~ 80 °, the second angle that the tangent line of two described the second curved surfaces is formed is 145 ° ~ 155 °, the surface of the described nearly lens platform of each first surface is provided with at least one first groove, the surface of the described nearly lens platform of each second curved surface is provided with at least one second groove, the first described groove and the second groove are equipped with silicon gel layer.
After adopting above structure, the present invention compared with prior art has the following advantages: the first angle that the tangent line of two first surfaces is formed is 70 ° ~ 80 °, the second angle that the tangent line of two described the second curved surfaces is formed is 145 ° ~ 155 °, the lighting angle of such lens is, the existing lens angle of departure can at about 120 degree, hot spot is circular, illumination zone causes too greatly the effective rate of utilization of light low, has plenty of the elliptical lenses that lens shape in both direction is different, the technique effect of the hot spot that formation two pole axis direction distances do not wait can be realized, lens lighting angle is too little, illumination zone is too little, and lighting angle of the present invention is a direction is 70 ° ~ 80 °, another direction is 145 ° ~ 155 °, lens lighting angle is large, be provided with the first groove and the second groove simultaneously, all silicon gel layer is provided with in first groove and the second groove, Silica hydrogel is a kind of low viscosity, band viscosity, gel is transparent, dual composition addition type silicon gel, can cold curing, also can be heating and curing, have the advantages that the higher solidification of temperature is also fast, the effect of Silica hydrogel on lens is to dispel the heat, Silica hydrogel heat is solidified, absorb a large amount of heat, lens are made to keep low temperature, the long service life of lens and LED, be full of Silica hydrogel in first groove and the second groove simultaneously, make lens body integral light-transmitting fabulous, light transmittance reaches more than 98%, light utilization is high.
As preferably, the quantity of the first described groove is two and is located at the first surface left and right sides, the quantity of the second described groove is three, the shape of the cross section of the first described groove is semicircle, three described the second grooves are connected and cross section is waveform, and quantity is moderate, and the semi-circular recesses of first surface improves light utilization, wave shape groove on second curved surface improves light transmittance, and illumination zone is wide.
As preferably, the first described groove and the degree of depth of the second groove are 4 millimeters ~ 6 millimeters, can ensure that the intensity of lens body can ensure that again Silica hydrogel can play and strengthen light transmission like this.
As preferably, described lens body is provided with seven row two rows, distance between the lens body center that described same row is adjacent is 15 millimeters ~ 25 millimeters, distance between the lens body center that described same column is adjacent is 20 millimeters ~ 30 millimeters, suitable distance, multiple lens body is combined, and light utilization is high, lighting angle is large, and illumination zone is large.
As preferably, is provided with fixing hole in the middle of described lens platform, described fixing hole upper end is rounding mesa-shaped hole, described fixing hole lower end is circular hole, described rounding mesa-shaped hole and the dead in line of circular hole, fixing hole is used for positioning lens platform, and rounding mesa-shaped hole is seized and can not loosens.
As preferably, described rounding mesa-shaped hole is projected as isosceles trapezoid in lens platform, the 3rd angle between described isosceles trapezoid two waists is 85 ° ~ 90 °, utilize rounding mesa-shaped hole 10 time fixing for lens platform 1, shock resistance is good, do not loosen easily, lens body can not incur loss, long service life.
As preferably, described lens platform bottom surface is provided with centre and is provided with socle, described socle clamping on circuit boards, the diameter of described socle is 2.5 millimeters ~ 3.3 millimeters, the height of described socle is 1 millimeter ~ 1.5 millimeters, socle can not because of too little insecure also can not because of taking up space too greatly.
Accompanying drawing explanation
Fig. 1 is the stereogram of LED illumination lamp lens of the present invention.
Fig. 2 is the rearview figure of LED illumination lamp lens of the present invention.
Fig. 3 is the sectional view of Fig. 2 A-A.
Fig. 4 is the left view of LED illumination lamp lens of the present invention.
Fig. 5 is the sectional view of LED illumination lamp lens fixing hole of the present invention.
Wherein, 1, lens platform, 2, lens body, 3, first surface, the 4, second curved surface, the 5, first groove, 6, the second groove, 7, illuminating part, 8, Access Division, 9, fixing hole, 10, rounding mesa-shaped hole, 11, circular hole, 12, circuit board, 13, socle, a, the first angle, b, the second angle, c, the 3rd angle.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in the figure, the invention provides a kind of LED illumination lamp lens, the lens body 2 comprising lens platform 1 and be located in lens platform 1, described lens platform 1 lower end is provided with circuit board 12, lens body 2 described in it comprises illuminating part 7 and Access Division 8, described illuminating part 7 is positioned at the upper end of Access Division 8, described Access Division 8 is stuck in lens platform 1, described illuminating part 7 comprises the first surface 3 being located at illuminating part 7 left and right side and the second curved surface 4 being located at illuminating part 7 front and back sides, described first surface 3 and the second curved surface 4 are oval at the profile of the projection of lens platform 1, the first angle a that the tangent line of two described first surfaces 3 is formed is 70 ° ~ 80 °, the second angle b that the tangent line of two described the second curved surfaces 4 is formed is 145 ° ~ 155 °, the surface of the nearly lens platform 1 of described each first surface 3 is provided with at least one first groove 5, the surface of the nearly lens platform 1 of described each second curved surface 4 is provided with at least one second groove 6, the first described groove 5 and the second groove 6 are equipped with silicon gel layer, advantage of the present invention is the first angle a that two first surface 3 tangent lines are formed is 70 ° ~ 80 °, the second angle b that two described the second curved surface 4 tangent lines are formed is 145 ° ~ 155 °, the lighting angle of such lens is, the existing lens angle of departure can at about 120 degree, hot spot is circular, illumination zone causes too greatly the effective rate of utilization of light low, has plenty of the elliptical lenses that lens shape in both direction is different, the technique effect of the hot spot that formation two pole axis direction distances do not wait can be realized, lens lighting angle is too little, illumination zone is too little, and lighting angle of the present invention is a direction is 70 ° ~ 80 °, another direction is 145 ° ~ 155 °, lens lighting angle is large, be provided with the first groove 5 and the second groove 6 simultaneously, first groove 5 and the second groove 6 are all provided with silicon gel layer, Silica hydrogel is a kind of low viscosity, band viscosity, gel is transparent, dual composition addition type silicon gel, can cold curing, also can be heating and curing, have the advantages that the higher solidification of temperature is also fast, the effect of Silica hydrogel on lens is to dispel the heat, Silica hydrogel heat is solidified, absorb a large amount of heat, lens are made to keep low temperature, the long service life of lens and LED, first groove 5 second groove 6 is full of Silica hydrogel simultaneously, make lens body 1 body printing opacity fabulous, light transmittance reaches more than 98%, light utilization is high.
The quantity of the first described groove 5 is two and is located at first surface 5 left and right sides, the quantity of the second described groove 6 is three, the shape of the cross section of the first described groove 5 is semicircle, three described the second grooves 6 are connected and cross section is waveform, quantity is moderate, first surface 5 semi-circular recesses improves light utilization, and the wave shape groove of the second curved surface 6 improves light transmittance, and illumination zone is wide.
The first described groove 5 and the degree of depth of the second groove 6 are 4 millimeters ~ 6 millimeters, can ensure that lens body 1 intensity can ensure that again Silica hydrogel can play and strengthen light transmission like this.
Described lens body 2 is provided with seven row two rows, distance between lens body 2 center that described same row is adjacent is 15 millimeters ~ 25 millimeters, distance between lens body 2 center that described same column is adjacent is 20 millimeters ~ 30 millimeters, suitable distance, multiple lens body 1 is combined, light utilization is high, and lighting angle is large, and illumination zone is large.
Fixing hole 9 is provided with in the middle of described lens platform 1, described fixing hole 9 upper end is rounding mesa-shaped hole 10, and described fixing hole 9 lower end is circular hole 11, described rounding mesa-shaped hole 10 and the dead in line of circular hole 11, fixing hole 9 lens platform positions, and rounding mesa-shaped hole 10 can not loosen.
As preferably, described rounding mesa-shaped hole 10 is projected as isosceles trapezoid in lens platform 1, the 3rd angle c between described isosceles trapezoid two waists is 85 ° ~ 90 °, utilize rounding mesa-shaped hole 10 time fixing for lens platform 1, shock resistance is good, do not loosen easily, lens body can not incur loss, long service life.
Described lens platform 1 bottom surface is provided with centre and is provided with socle 13, described socle 13 clamping on the circuit board 12, the diameter of described socle 13 is 2.5 millimeters ~ 3.3 millimeters, the height of described socle 13 is 1 millimeter ~ 1.5 millimeters, socle 13 because too little insecure also can not because of taking up space too greatly.
Principle of the present invention is the first angle a that two first surface 3 tangent lines are formed is 70 ° ~ 80 °, the second angle b that two described the second curved surface 4 tangent lines are formed is 145 ° ~ 155 °, the lighting angle of such lens is, the existing lens angle of departure can at about 120 degree, hot spot is circular, illumination zone causes too greatly the effective rate of utilization of light low, has plenty of the elliptical lenses that lens shape in both direction is different, the technique effect of the hot spot that formation two pole axis direction distances do not wait can be realized, lens lighting angle is too little, illumination zone is too little, and lighting angle of the present invention is a direction is 70 ° ~ 80 °, another direction is 145 ° ~ 155 °, lens lighting angle is large, be provided with the first groove 5 and the second groove 6 simultaneously, first groove 5 and the second groove 6 are all provided with silicon gel layer, Silica hydrogel is a kind of low viscosity, band viscosity, gel is transparent, dual composition addition type silicon gel, can cold curing, also can be heating and curing, have the advantages that the higher solidification of temperature is also fast, the effect of Silica hydrogel on lens is to dispel the heat, Silica hydrogel heat is solidified, absorb a large amount of heat, lens are made to keep low temperature, the long service life of lens and LED, first groove 5 second groove 6 is full of Silica hydrogel simultaneously, make lens body 1 body printing opacity fabulous, light transmittance reaches more than 98%, light utilization is high.
Specifically, first angle a of two first surface 3 tangent line formation is 75 °, the second angle b that two described the second curved surface 4 tangent lines are formed is 150 °, distance between lens body 2 center that described same row is adjacent is 20 millimeters, distance between lens body 2 center that described same column is adjacent is 26 millimeters, the degree of depth of the first groove 5 and the second groove 6 is 5 millimeters, described rounding mesa-shaped hole 10 is projected as isosceles trapezoid in lens platform 1, the 3rd angle c between described isosceles trapezoid two waists is 88 °, the diameter of described socle 13 is 2.8 millimeters, the height of described socle 13 is 1.3 millimeters, this LED illumination lens lighting angle is 150 degree * 75 and spends, lighting angle is large, illumination zone is large and effective utilization rate of light is high.
Just preferred embodiment of the present invention is described above, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change, and all various changes done in the protection domain of demand for independence of the present invention are all in protection scope of the present invention.
Claims (7)
1. a LED illumination lamp lens, comprise lens platform (1) and be located at the lens body (2) in lens platform (1), described lens platform (1) lower end is provided with circuit board (12), it is characterized in that: described lens body (2) comprises illuminating part (7) and Access Division (8), described illuminating part (7) is positioned at the upper end of Access Division (8), described Access Division (8) is stuck in lens platform (1), described illuminating part (7) comprises the first surface (3) being located at illuminating part (7) left and right side and the second curved surface (4) being located at illuminating part (7) front and back sides, described first surface (3) and the second curved surface (4) are oval at the profile of the projection of lens platform (1), the first angle a that the tangent line of two described first surfaces (3) is formed is 70 ° ~ 80 °, the second angle b that the tangent line of two described the second curved surfaces (4) is formed is 145 ° ~ 155 °, the surface of the nearly lens platform (1) of described each first surface (3) is provided with at least one first groove (5), the surface of the nearly lens platform (1) of described each second curved surface (4) is provided with at least one second groove (6), described the first groove (5) and the second groove (6) are equipped with silicon gel layer.
2. LED illumination lamp lens according to claim 1, it is characterized in that: the quantity of described the first groove (5) is two and is located at first surface (5) left and right sides, the quantity of described the second groove (6) is three, the shape of the cross section of described the first groove (5) is semicircle, and three described the second grooves (6) are connected and cross section is waveform.
3. LED illumination lamp lens according to claim 2, is characterized in that: described the first groove (5) and the degree of depth of the second groove (6) are 4 millimeters ~ 6 millimeters.
4. LED illumination lamp lens according to claim 1, it is characterized in that: described lens body (2) is provided with seven row two rows, distance between lens body (2) center that described same row is adjacent is 15 millimeters ~ 25 millimeters, and the distance between lens body (2) center that described same column is adjacent is 20 millimeters ~ 30 millimeters.
5. LED illumination lamp lens according to claim 1, it is characterized in that: in the middle of described lens platform (1), be provided with fixing hole (9), described fixing hole (9) upper end is rounding mesa-shaped hole (10), described fixing hole (9) lower end is circular hole (11), the dead in line of described rounding mesa-shaped hole (10) and circular hole (11).
6. LED illumination lamp lens according to claim 5, is characterized in that: described rounding mesa-shaped hole (10) is projected as isosceles trapezoid in lens platform (1), and the 3rd angle c between described isosceles trapezoid two waists is 85 ° ~ 90 °.
7. LED illumination lamp lens according to claim 1, it is characterized in that: described lens platform (1) bottom surface is provided with centre and is provided with socle (13), described socle (13) is connected on circuit board (12), the diameter of described socle (13) is 2.5 millimeters ~ 3.3 millimeters, and the height of described socle (13) is 1 millimeter ~ 1.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410794781.6A CN104390195B (en) | 2014-12-18 | 2014-12-18 | LED illumination lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410794781.6A CN104390195B (en) | 2014-12-18 | 2014-12-18 | LED illumination lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390195A true CN104390195A (en) | 2015-03-04 |
| CN104390195B CN104390195B (en) | 2018-11-27 |
Family
ID=52608132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410794781.6A Active CN104390195B (en) | 2014-12-18 | 2014-12-18 | LED illumination lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390195B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201487816U (en) * | 2009-09-18 | 2010-05-26 | 东莞市贻嘉光电科技有限公司 | Lens module for LED tunnel lamp |
| CN102022690A (en) * | 2009-09-11 | 2011-04-20 | 玉晶光电股份有限公司 | Optical lens |
| CN201964326U (en) * | 2011-02-27 | 2011-09-07 | 东莞钜升塑胶电子制品有限公司 | Five-row and six-line light-emitting diode (LED) polarization type module lens for street lamp |
| CN201973665U (en) * | 2011-02-26 | 2011-09-14 | 东莞钜升塑胶电子制品有限公司 | Two-row and six-line LED polarizing type module lens for street lamp |
-
2014
- 2014-12-18 CN CN201410794781.6A patent/CN104390195B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022690A (en) * | 2009-09-11 | 2011-04-20 | 玉晶光电股份有限公司 | Optical lens |
| CN201487816U (en) * | 2009-09-18 | 2010-05-26 | 东莞市贻嘉光电科技有限公司 | Lens module for LED tunnel lamp |
| CN201973665U (en) * | 2011-02-26 | 2011-09-14 | 东莞钜升塑胶电子制品有限公司 | Two-row and six-line LED polarizing type module lens for street lamp |
| CN201964326U (en) * | 2011-02-27 | 2011-09-07 | 东莞钜升塑胶电子制品有限公司 | Five-row and six-line light-emitting diode (LED) polarization type module lens for street lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104390195B (en) | 2018-11-27 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lens for LED lighting Effective date of registration: 20230815 Granted publication date: 20181127 Pledgee: Agricultural Bank of China Limited Ninghai County sub branch Pledgor: NINGBO FRONT WIND ZHENYE LIGHTING Co.,Ltd. Registration number: Y2023330001766 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20181127 Pledgee: Agricultural Bank of China Limited Ninghai County sub branch Pledgor: NINGBO FRONT WIND ZHENYE LIGHTING Co.,Ltd. Registration number: Y2023330001766 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lens for LED lighting Granted publication date: 20181127 Pledgee: Agricultural Bank of China Limited Ninghai County sub branch Pledgor: NINGBO FRONT WIND ZHENYE LIGHTING Co.,Ltd. Registration number: Y2024330000795 |