CN106704985A - Ridge-surface hemispherical shell type optical face mask of LED lamp - Google Patents
Ridge-surface hemispherical shell type optical face mask of LED lamp Download PDFInfo
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- CN106704985A CN106704985A CN201510422467.XA CN201510422467A CN106704985A CN 106704985 A CN106704985 A CN 106704985A CN 201510422467 A CN201510422467 A CN 201510422467A CN 106704985 A CN106704985 A CN 106704985A
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- spherical shell
- outer spherical
- shell
- led lamp
- isosceles
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Abstract
The invention belongs to the field of lamp masks, and specifically discloses a ridge-surface hemispherical shell type optical face mask of an LED lamp. The ridge-surface hemispherical shell type optical face mask comprises an outer spherical shell, an inner spherical shell and a face mask bottom, wherein the structure from the center of the outer spherical shell to the periphery of the outer spherical shell is that a plurality of isosceles triangles which are uniformly distributed around the vertex are arranged at a first layer; a plurality of isosceles trapezoids which are uniformly distributed are arranged at all the layers from the second layer to the last layer; the bottom side of each isosceles triangle is connected with the upper bottom side of one isosceles trapezoid; the lower bottom side of each isosceles trapezoid except from the isosceles trapezoids at the last layer is separately connected with the upper bottom sides of the isosceles trapezoids at the next layer; the structure of the inner spherical shell is the same as that of the outer spherical shell; the dimension of the inner spherical shell is smaller than that of the outer spherical shell; the bottom of the inner spherical shell is connected with the bottom of the outer spherical shell through the face mask bottom; and the inner part of a part defined by the inner spherical shell, the outer spherical shell and the face mask bottom is made of a transparent optical material. The ridge-surface hemispherical shell type optical face mask can meet requirements of a large-power LED, and improves a utilization rate of luminous flux.
Description
Technical field
The invention belongs to light fixture face mask art, and in particular to a kind of faceted pebble hemispherical Shell LED lamp optical mask.
Background technology
Illuminated as forth generation, light emitting diode (Light Emitting Diode, LED) gradually comes into us
Life.But LED is that spot light just can apply to various illuminators, it is necessary to carry out secondary optical design.
With the raising and the increase of power of LED luminous efficiencies, great power LED is turning into the main product in market.
The secondary optical design of the great power LED of spot light encapsulation turns into an important problem.
Great power LED is differred primarily in that with low-power LED：Low-power LED has often carried out an optics
Design, its light for emitting has certain directive property and half light intensity angle；And great power LED is typically straight
Encapsulation is connect, corresponding optical design is not carried out, lambert's spoke of the light access expansion diffusing surface that it is emitted
Beam.For the change of this luminous characteristics, traditional secondary optics for low-power LED luminous characteristics
Method for designing, it is impossible to enough meet the requirement of great power LED.
The content of the invention
The purpose of the present invention can meet high-power to provide a kind of faceted pebble hemispherical Shell LED lamp optical mask
LED requirements, and improve the utilization rate of luminous flux.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of faceted pebble hemispherical Shell LED lamp optical mask, it includes outer spherical shell, interior spherical shell, mask bottom；
It is respectively to periphery from the center of outer spherical shell：Ground floor be around the equally distributed some isosceles triangles in summit,
The second layer is respectively several equally distributed isosceles trapezoids to last layer；The base of each isosceles triangle is each
Upper bottom edge with an isosceles trapezoid is connected, the bottom difference of each isosceles trapezoid in addition to last layer
Upper bottom edge with next layer of isosceles trapezoid is connected；The structure of interior spherical shell is same with ectosphere shell phase, the size of interior spherical shell
Less than outer spherical shell；The bottom of interior spherical shell and outer spherical shell is connected by mask bottom；Interior spherical shell, outer spherical shell, face
The partial interior that cover bottom surrounds is transparent optical material.
The bottom surface of described outer spherical shell is approximate annulus or approximate elliptical ring.
The circumradius in the outside of described mask bottom is 50mm, the circumscribed circle half of the inner side of mask bottom 5
Footpath is 40mm.
Described transparent optical material is optical glass, PC or PMMA.
Beneficial effects of the present invention are：
A kind of faceted pebble hemispherical Shell LED lamp optical mask that the present invention is provided is rib by by light fixture enclosure design
The spherical shell of face composition, and by designing the shape and size of faceted pebble, realize great power LED spot light luminous flux
Value distribution and angular distribution, realize luminous flux meet light fixture light flux distribution requirement, while improve light lead to
Amount utilization rate, reaches the purpose of energy saving, improves the quality of light fixture.
Brief description of the drawings
Fig. 1 is faceted pebble hemispherical Shell LED lamp optical mask of the invention；
Fig. 2 is faceted pebble hemispherical Shell LED lamp optical mask top view；
Fig. 3 is faceted pebble hemispherical Shell LED lamp optical mask index path.
In figure：1. outer spherical shell, 2. in spherical shell, 3. lambert's body is emitting led, 4. light path, 5. mask bottom.
Specific embodiment
Technical scheme and beneficial effect are further said with specific embodiment below in conjunction with the accompanying drawings
It is bright.
As shown in figure 1, faceted pebble hemispherical Shell LED lamp optical mask of the invention include outer spherical shell 1, interior spherical shell 2,
Mask bottom 5.
As shown in Fig. 2 outer spherical shell 1 is made up of several faceted pebbles.In the present embodiment, from the center of outer spherical shell 1
It is respectively to periphery：Ground floor is around equally distributed 18 isosceles triangles in summit, the second layer to the 4th
Layer is respectively 18 equally distributed isosceles trapezoids；The base of each isosceles triangle respectively with isosceles trapezoid
Upper bottom edge connects, and the bottom of second, third layer each isosceles trapezoid is upper with next layer of isosceles trapezoid respectively
Base connects.In another embodiment, the faceted pebble for constituting the outer surface of spherical shell 1 is five sides on similar football surface
The combination of shape, hexagon.
The bottom surface of outer spherical shell 1 is approximate annulus.In another embodiment, the bottom surface of outer spherical shell 1 is approximate
Elliptical ring.
The structure of interior spherical shell 2 is identical with outer spherical shell 1, and the size of interior spherical shell 2 is less than outer spherical shell 1.Interior spherical shell 2 and outer
The bottom of spherical shell 1 is connected by mask bottom 5.The circumradius in the outside of mask bottom 5 is 50mm, face
The circumradius of the inner side of cover bottom 5 is 40mm.The part that interior spherical shell 2, outer spherical shell 1, mask bottom 5 surround
Inside is transparent optical material, and optical glass, PC or PMMA can be used.
As shown in figure 3, lambert's body emitting led 3 is located at the mask bottom of faceted pebble hemispherical Shell LED lamp optical mask
5 circumscribed circle circle centre position.The light that lambert's body emitting led 3 sends is each passed through faceted pebble hemispherical Shell LED lamp light
The interior spherical shell 2 and outer spherical shell 1 for learning mask inject to mask exterior.
By interior spherical shell 2, the mutual cooperation of the faceted pebble of outer spherical shell 1, the present invention realizes great power LED spot light
The value distribution of luminous flux and angular distribution, finally realize that luminous flux meets the requirement of light fixture light flux distribution, together
Shi Tigao luminous flux utilization rates, reach the purpose of energy saving, improve the quality of light fixture.
Claims (5)
1. a kind of faceted pebble hemispherical Shell LED lamp optical mask, it is characterised in that：It include outer spherical shell (1),
Interior spherical shell (2), mask bottom (5)；It is respectively to periphery from the center of outer spherical shell (1)：Ground floor is to enclose
Around the equally distributed some isosceles triangles in summit, the second layer to last layer is respectively for several are equally distributed
Isosceles trapezoid；Upper bottom edge of the base of each isosceles triangle respectively with an isosceles trapezoid is connected, except last
Upper bottom edge of the bottom of each isosceles trapezoid outside a layer respectively with next layer of isosceles trapezoid is connected；Interior spherical shell
(2) structure is identical with outer spherical shell (1), and the size of interior spherical shell (2) is less than outer spherical shell (1)；Interior spherical shell
(2) and outer spherical shell (1) bottom by mask bottom (5) connect；Interior spherical shell (2), outer spherical shell (1),
The partial interior that mask bottom (5) surrounds is transparent optical material.
2. a kind of faceted pebble hemispherical Shell LED lamp optical mask according to claim 1, it is characterised in that：
The bottom surface of described outer spherical shell (1) is approximate annulus.
3. a kind of faceted pebble hemispherical Shell LED lamp optical mask according to claim 1, it is characterised in that：
The bottom surface of described outer spherical shell (1) is approximate elliptical ring.
4. a kind of faceted pebble hemispherical Shell LED lamp optical mask according to claim 2, it is characterised in that：
The circumradius in the outside of described mask bottom (5) is 50mm, the circumscribed circle half of the inner side of mask bottom 5
Footpath is 40mm.
5. a kind of faceted pebble hemispherical Shell LED lamp optical mask according to claim 3 or 4, its feature exists
In：Described transparent optical material is optical glass, PC or PMMA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422467.XA CN106704985B (en) | 2015-07-17 | 2015-07-17 | Prismatic surface hemispherical shell LED lamp optical mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510422467.XA CN106704985B (en) | 2015-07-17 | 2015-07-17 | Prismatic surface hemispherical shell LED lamp optical mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704985A true CN106704985A (en) | 2017-05-24 |
| CN106704985B CN106704985B (en) | 2023-07-14 |
Family
ID=58895107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510422467.XA Active CN106704985B (en) | 2015-07-17 | 2015-07-17 | Prismatic surface hemispherical shell LED lamp optical mask |
Country Status (1)
| Country | Link |
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| CN (1) | CN106704985B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922545A (en) * | 2017-12-08 | 2019-06-21 | 北京机电工程研究所 | Graphite heating component, graphite heater and design method |
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| CN109922545A (en) * | 2017-12-08 | 2019-06-21 | 北京机电工程研究所 | Graphite heating component, graphite heater and design method |
| CN109922545B (en) * | 2017-12-08 | 2021-12-10 | 北京机电工程研究所 | Graphite heating element, graphite heater and design method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106704985B (en) | 2023-07-14 |
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