CN210626780U - Square lens, light-emitting structure and lamp thereof - Google Patents
Square lens, light-emitting structure and lamp thereof Download PDFInfo
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- CN210626780U CN210626780U CN201921560760.2U CN201921560760U CN210626780U CN 210626780 U CN210626780 U CN 210626780U CN 201921560760 U CN201921560760 U CN 201921560760U CN 210626780 U CN210626780 U CN 210626780U
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- 239000000178 monomer Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 2
- 230000008635 plant growth Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000012271 agricultural production Methods 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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Abstract
The utility model discloses a lens, which comprises a first curve, a second curve and a third curve; the first curve expression is: y is1＝a10++a11x1+a12x1 2+a13x1 3(ii) a The second curve expression is: y2 ═ a20++a21x2+a22x2 2+a23x2 3+a24x2 4+a25x2 5+a26x2 6(ii) a The third curve expression is: y is3＝a30++a31x3+a32x3 2+a33x3 3+a34x3 4(ii) a The first curve, the second curve and the third curve are all rotary array structures about a central axis; setting out by respectively taking the first contour boundary line and the second contour line as contour boundary lines to obtain a first monomer; the first monomer is symmetrically overturned by taking H as an axis to obtain a second monomer; the second monomer is annularly arrayed by taking the central shaft as the center of a circle, and the array angle is 90 degrees, so that a square lens main body is obtained; the surface where the first curve is located is an incident surface, and the surfaces where the second curve and the third curve are located are emergent surfaces; the lens body enables light to enter from the incident surface and to exit from the exit surface to form a square irradiation surface. The lens is used for supplementary lighting in the field of plant growth, so that a lighting area is matched with a crop planting area, and the benefit of agricultural production is improved.
Description
Technical Field
The utility model relates to an optical element specifically relates to a square lens, light-emitting structure and lamps and lanterns thereof.
Background
The lens is used for refracting the light irradiated from one side to the other side, so that the irradiation of the light and the irradiation range are adjusted. The lighting tool used by matching with the lens can be widely applied to various industries; such as street lamps, lamps for the field of plant growth.
As for lamps used in the field of plant growth, plant lamps are used in applications where there is no natural luminescence or light supplement is required. Because the illumination is closely related to the growth of crops. In recent years, due to the promotion of market demands, greenhouse greenhouses are generally adopted to produce out-of-season flowers, melons, fruits, vegetables and the like, and because the sunshine time is short in two seasons of winter and spring, crops grow slowly and the yield is low, light supplement is urgently needed; the traditional light supplementing lamp has the advantages that the illumination light spots are generally circular, the bright edges in the middle are dark, and crop planting in the greenhouse is arranged in a rectangular mode, so that uneven illumination is caused, crop growth is uneven, the illumination area is not matched with the crop planting area, energy is wasted, and the cost is increased; the method captures the light energy to the maximum extent, fully exerts the potential of plant photosynthesis and is directly related to the benefit of agricultural production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a square lens, light-emitting structure and lamps and lanterns thereof can solve one or more among the above-mentioned technical problem.
In order to achieve the above object, the present invention provides the following technical solutions:
a square lens comprises a first curve, a second curve and a third curve; the first curve expression is:
y1＝a10++a11x1+a12x1 2+a13x1 3(ii) a Wherein
a10∈(11.92,11.94)；a11∈(0.06327,0.07064)；a12∈(-0.0223,-0.02147)；a13∈(2.319e-05,4.934e-05)
x1∈(0,22)
The second curve expression is: y is2＝a20++a21x2+a22x2 2+a23x2 3+a24x2 4+a25x2 5+a26x2 6(ii) a Wherein
a20∈(25.12,25.72)；a21∈(0.7355,1.357)；a22∈(-0.5419,-0.3409)；a23∈(0.06064,0.08853)
a24∈(-0.006836,-0.004966)；a25∈(0.0001857,0.0002454)；a26∈(-3.338e-06,-2.609e-06)
x2∈(0,26.5)
The third curve expression is: y is3＝a30++a31x3+a32x3 2+a33x3 3+a34x3 4(ii) a Wherein
a30∈(20.55,20.66)；a31∈(0.4791,0.5434)；a32∈(-0.03841,-0.02784)；
a33∈(0.001587,0.00222)；a34∈(-8.384e-05,-7.144e-05)；
x3∈(0,25.5)；
The first curve and the second curve form an S2 plane, and the first curve and the second curve form a first contour boundary line;
the first curve and the third curve form an S3 plane, and the first curve and the third curve form a second contour boundary line;
an included angle of 45 degrees is formed between the S2 plane and the S3 plane; the S2 plane is vertical to the S1 plane, the S3 plane is vertical to the S1 plane, and the intersecting line of the S3 plane and the S1 plane is H; the S1 plane is perpendicular to the central axis,
the first curve, the second curve and the third curve are all rotary array structures about a central axis;
setting out by respectively taking the first contour boundary line and the second contour line as contour boundary lines to obtain a first monomer; the first monomer is symmetrically overturned by taking H as an axis to obtain a second monomer; the second monomer is annularly arrayed by taking the central shaft as the center of a circle, and the array angle is 90 degrees, so that a square lens main body is obtained; the surface where the first curve is located is an incident surface, and the surfaces where the second curve and the third curve are located are emergent surfaces; the lens body enables light to enter from the incident surface and to exit from the exit surface to form a square irradiation surface.
The lens is square through the first monomer, the second monomer is obtained through overturning, and then the final lens is arrayed, so that the square irradiation surface of the refracted light can be realized through the lens in the shape of the square, the irradiation range is expanded through the incident surface and the emergent surface, the irradiation intensity is basically consistent in the expansion range, the irradiation uniformity can be ensured, and the uniform light effect is stable and reliable; in addition, the irradiation intensity is approximately the same, the local high temperature of irradiation is not caused, and the use is safer and more reliable; greatly improving the illumination uniformity and the energy utilization rate.
In the lofting fitting process, from the second curve to the third curve fitting process, do not do the restriction to fitting curve quantity, can three, four, five or more curves as the profile forming part of emergent face to guarantee that the emergent face radian is mellow and has not sharp-pointed or outstanding edges and corners, the refraction irradiation surface of both having guaranteed the emergent face does not have the black point, guarantees whole lens stress-free concentration point simultaneously.
Preferably, the dome is a sphere with a radius of 8mm, the centre of which is located on the central axis, said sphere being tangential to the exit surface. Thus, the top end of the emergent surface can be ensured to have no unevenness.
Preferably, wherein: a is10＝11.93；a11＝0.06696；a12＝-0.02189；a13＝3.627e-05；
a20＝25.42；a21＝1.046；a22＝-0.4414；a23＝0.07458；
a24＝-0.005901；a25＝0.0002156；a26＝-2.974e-06；
a30＝20.6；a31＝0.5113；a32＝-0.03312；a33＝0.001903；a34＝-7.764e-05。
The above optimal value is optimal under the refraction condition, and the optimal effect is achieved when the light source is matched.
Preferably, the refractive index of the lens material is 1.4-1.6. The preferred lens index of refraction is 1.4936.
Under the refractive index, a PMMA lens is preferred, so that the processing and the manufacturing are convenient, and in addition, the refractive index can well control the light distribution situation.
The light-emitting structure comprises the square lens and the LED luminous body arranged below the lens, wherein the light-emitting surface of the LED luminous body is of a rotating structure about a rotating shaft. The light emitter may be an LED light emitter, an LD light emitter, or other light emitters, and is not limited herein.
And the distance between the light emitting surface of the LED luminous body and the incident surface is 3.7 mm.
The light emitting surface of the LED luminous body is rectangular, the length of the light emitting surface is 16-23 mm, and the width of the light emitting surface is 16-23 mm.
Preferably, the LED luminous body is a rectangle formed by arranging 24 particles 3535. The specific number and the specific model of the LEDs are not limited, and the LEDs are adjusted and selected according to actual use requirements.
The light-emitting structure matched with the lens can effectively refract the light source emitted from the light-emitting surface to the area needing to be irradiated through the refraction of the lens.
The optimal distance between the light emitting surface and the incident surface is 3.7mm, and the optimal effect is achieved when the design standard is met.
An LED lamp comprising the light-emitting structure comprises a plurality of light-emitting structures which are arranged in a straight line.
The specific structure of the lamp is not limited, and the lamp can be selected according to the actual use requirement, such as a table lamp, a street lamp or a plant growth lamp. Light rays emitted by two adjacent light-emitting structures are overlapped to form uniform and continuous light spots, so that illumination is better provided. Can ensure that the plant-growing lamp is especially suitable for plant growth and irradiation.
The number of the light-emitting structures can be three or four or five or other numbers according to actual needs. The arrangement is optimized in a straight line according to the lighting requirements, and other arrangements can be adopted.
The technical effects of the utility model are that:
the lens in the utility model is directly manufactured into a square lens through a series of geometric changes, but not cut into the square lens; the cutting process is reduced in the processing and manufacturing process, and the lens can be spliced only by manufacturing 1/8 monomers in the processing process.
The lens can form a square light source irradiation surface, and can meet the environmental requirement of realizing the square light type in the field of illumination, for example, the light supplement illumination in the field of plant growth, so that the illumination area is matched with the crop planting area, the light utilization rate can be improved, the illumination uniformity can be greatly improved, the plant photosynthesis potential can be fully played, and the agricultural production benefit can be improved.
The lighting device is suitable for both the common lighting field and the lighting required by plant growth; meanwhile, a corresponding light-emitting structure and a lighting lamp are provided on the basis of the lens, so that the lens is convenient for people to use in actual production and life.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic diagram of the positions of various curves of the present invention;
FIG. 2 is a first schematic diagram of the formation of an exit surface;
FIG. 3 is a second schematic diagram of the formation of the exit surface;
FIG. 4 is a third schematic view of the formation of an exit surface;
fig. 5 is a schematic view of the overall structure of the present invention;
FIG. 6 is a schematic sectional view A-A of FIG. 5;
FIG. 7 is a schematic cross-sectional view of B-B of FIG. 5;
FIG. 8 is a schematic view of the light source illuminating a spot through the present lens;
FIG. 9 is a schematic diagram of a light spot illuminated by a common light source;
FIG. 10 is a first schematic structural diagram of a lamp;
FIG. 11 is a second schematic structural view of the lamp;
fig. 12 is a schematic structural diagram of a lamp;
wherein the figures include the following reference numerals:
a central axis 0, a first curve 1, a second curve 2, a third curve 3, a luminous body 4.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only intended to explain the invention, but not to limit the invention in a proper manner.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A square lens comprises a first curve, a second curve and a third curve; the first curve expression is: y is1＝a10++a11x1+a12x1 2+a13x1 3(ii) a Wherein
The second curve expression is: y is2＝a20++a21x2+a22x2 2+a23x2 3+a24x2 4+a25x2 5+a26x2 6(ii) a Wherein
a20＝25.42；a21＝1.046；a22＝-0.4414；a23＝0.07458；
a24＝-0.005901；a25＝0.0002156；a26＝-2.974e-06；
x2∈(0,26.5)
The third curve expression is: y is3＝a30++a31x3+a32x3 2+a33x3 3+a34x3 4(ii) a Wherein
a30＝20.6；a31＝0.5113；a32＝-0.03312；a33＝0.001903；a34＝-7.764e-05；
x∈(0,25.5)。
As shown in fig. 1-7, the first curve and the second curve form a S2 plane, and the first curve and the second curve form a first contour boundary line. The first curve and the third curve constitute a S3 plane, and the first curve and the third curve form a second contour boundary line.
An included angle of 45 degrees is formed between the S2 plane and the S3 plane; the S2 plane is vertical to the S1 plane, the S3 plane is vertical to the S1 plane, and the intersecting line of the S3 plane and the S1 plane is H; the S1 plane is perpendicular to the central axis.
The first curve 1, the second curve 2 and the third curve 3 are all in a rotating array structure about a central axis 0.
As shown in fig. 2, lofting fitting is performed with the first contour line and the second contour line as contour boundary lines, respectively, to obtain a first cell V1.
As shown in FIG. 3, the first monomer V1 is symmetrically turned around H to obtain a second monomer V2.
As shown in fig. 4, the second monomer V2 is circularly arrayed around the central axis 0, and the array angle is 90 ° (i.e. the number of array entries is 4), resulting in a square lens body.
The surface where the first curve is located is an incident surface, and the surfaces where the second curve and the third curve are located are emergent surfaces; the lens body enables light to enter from the incident surface and to exit from the exit surface to form a square irradiation surface.
The PMMA lens with the refractive index of 1.4936 is preferable, so that the PMMA lens is convenient to process and manufacture, and in addition, the refractive index can well control the light distribution situation.
As shown in fig. 6, the incident curved surface and the exit surface pass through the second curve and the third curve by the light of the first curve, and the refracted light can realize a square irradiation surface by the refracted angle.
The lens module is composed of a plurality of single lenses, each single lens can realize the range expansion of refracted light, the irradiation intensity is basically consistent in the expansion range, and the irradiation uniformity can be ensured; the adjacent two lenses can continuously superpose light spots without gaps, so that the whole irradiation surface is rectangular; the single lenses can ensure that the whole illumination surface needing illumination is uniform and stable, and the energy utilization rate is improved; the device is particularly suitable for plant growth supplementary lighting in the greenhouse.
As shown in fig. 5, there is also provided a light emitting structure comprising the above square lens, comprising a single said lens and an LED illuminator 4 disposed under the lens, the light emitting face of the LED illuminator being at a distance of 3.7mm from the incident face. The LED luminous body is formed by arranging 24 particles 3535, and the whole luminous surface is rectangular.
As shown in fig. 9, the illumination spot formed by the light source passing through a common lens or without a lens is circular; as shown in fig. 8, the illumination spots formed by the lens and the light-emitting surface are square, and can be continuously superimposed into any rectangle, and the structure can be used in any actual environment requiring square illumination.
In addition, the LED lamp with the light-emitting structure comprises a plurality of light-emitting structures which are arranged in a straight line.
As shown in fig. 10, 11 and 12, the lamps can be combined into "L", "T" and "I" according to the use requirement, and are applied to actual production life.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A square lens, characterized by: comprises a first curve, a second curve and a third curve;
the first curve expression is: y is1＝a10++a11x1+a12x1 2+a13x1 3(ii) a Wherein
a10∈(11.92,11.94)；a11∈(0.06327,0.07064)；a12∈(-0.0223,-0.02147)；a13∈(2.319e-05,4.934e-05)x1∈(0,22)
The second curve expression is: y is2＝a20++a21x2+a22x2 2+a23x2 3+a24x2 4+a25x2 5+a26x2 6(ii) a Wherein
a20∈(25.12,25.72)；a21∈(0.7355,1.357)；a22∈(-0.5419,-0.3409)；a23∈(0.06064,0.08853)a24∈(-0.006836,-0.004966)；a25∈(0.0001857,0.0002454)；a26∈(-3.338e-06,-2.609e-06)x2∈(0,26.5)
The third curve expression is: y is3＝a30++a31x3+a32x3 2+a33x3 3+a34x3 4(ii) a Wherein
a30∈(20.55,20.66)；a31∈(0.4791,0.5434)；a32∈(-0.03841,-0.02784)；a33∈(0.001587,0.00222)；a34∈(-8.384e-05,-7.144e-05)；
x3∈(0,25.5)；
The first curve and the second curve form an S2 plane, and the first curve and the second curve form a first contour boundary line;
the first curve and the third curve constitute a S3 plane, and the first curve and the third curve form a second contour boundary line,
an included angle of 45 degrees is formed between the S2 plane and the S3 plane; the S2 plane is vertical to the S1 plane, the S3 plane is vertical to the S1 plane, and the intersecting line of the S3 plane and the S1 plane is H; the S1 plane is perpendicular to the central axis,
the first curve, the second curve and the third curve are all rotary array structures about a central axis;
setting out by respectively taking the first contour boundary line and the second contour line as contour boundary lines to obtain a first monomer; the first monomer is symmetrically overturned by taking H as an axis to obtain a second monomer; the second monomer is annularly arrayed by taking the central shaft as the center of a circle, and the array angle is 90 degrees, so that a square lens main body is obtained;
the surface where the first curve is located is an incident surface, and the surfaces where the second curve and the third curve are located are emergent surfaces; the lens body enables light to enter from the incident surface and to exit from the exit surface to form a square irradiation surface.
2. The square lens of claim 1, wherein: a sphere with a dome radius of 8mm, the centre of which is located on the central axis, said sphere being tangential to the exit surface.
3. The square lens of claim 1, wherein:
a10＝11.93；a11＝0.06696；a12＝-0.02189；a13＝3.627e-05；
a20＝25.42；a21＝1.046；a22＝-0.4414；a23＝0.07458；a24＝-0.005901；a25＝0.0002156；a26＝-2.974e-06；
a30＝20.6；a31＝0.5113；a32＝-0.03312；a33＝0.001903；a34＝-7.764e-05。
4. the square lens of claim 1, wherein the refractive index of the lens material is 1.4-1.6.
5. A light-emitting structure comprising the square lens of claim 1, wherein the lens is single, and an LED illuminator is disposed under the lens, and the distance from the light-emitting surface of the LED illuminator to the incident surface is 3.7 mm.
6. The light-emitting structure of claim 5, wherein the light-emitting surface of the LED light-emitting body is rectangular, the length of the light-emitting surface is 16-23 mm, and the width of the light-emitting surface is 16-23 mm.
7. An LED lamp comprising the light-emitting structure of claim 5, wherein the LED lamp comprises a plurality of the light-emitting structures arranged in a line.
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| CN110596892A (en) * | 2019-09-19 | 2019-12-20 | 杭州昌松光学有限公司 | Square lens, light-emitting structure and lamp thereof |
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