CN203190312U - Optical lens and aviation obstruction beacon using same - Google Patents

Optical lens and aviation obstruction beacon using same Download PDF

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Publication number
CN203190312U
CN203190312U CN 201320105968 CN201320105968U CN203190312U CN 203190312 U CN203190312 U CN 203190312U CN 201320105968 CN201320105968 CN 201320105968 CN 201320105968 U CN201320105968 U CN 201320105968U CN 203190312 U CN203190312 U CN 203190312U
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CN
China
Prior art keywords
optical lens
place
exiting
ellipsoidal
light
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CN 201320105968
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Chinese (zh)
Inventor
宋恒柱
吕志明
李民
陈庚军
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Shenzhen Star Mark Polytron Technologies Inc
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Shenzhen Star Standard Electromechanical Facilities Engineering Co ltd
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Priority to CN 201320105968 priority Critical patent/CN203190312U/en
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Abstract

The utility model provides an optical lens. The optical lens is used for refracting light emitted by a light source inside the optical lens and is shaped like a cover. The optical lens is provided with a cavity, and comprises a bottom surface arranged on the light-entering surface on the inner side, a plurality of light-exiting surfaces and a plurality of outer light-splitting surfaces, wherein the light-exiting surfaces and the outer light-splitting surfaces are arranged on the outer side. The light-exiting surfaces and the light-entering surface of the optical lens form a lens light refraction area, the light is emitted from the interior of the optical lens and transmitted to the exterior of the optical lens after being refracted by the lens light refraction area, and the exit direction of the light deflects towards the bottom surface of the optical lens relative to the incidence direction. The utility model further provides an aviation obstruction beacon.

Description

Optical lens and use the aviation obstruction beacon of this optical lens
Technical field
The utility model relates to a kind of optical lens and uses the aviation obstruction beacon of this optical lens.
Background technology
Aviation obstruction beacon is the critical facility of aircraft navaid, the optical lens that existing aviation obstruction beacon adopts is generally Fresnel Lenses (Fresnel lens), but Fresnel Lenses is only applicable to as incandescent lamp equal sphere illuminator, and is not suitable for directed luminous diode light-source.And because existing aviation obstruction beacon adopts incandescent lamp as illuminating source, so its power is big, power consumption is high, the life-span is short, be unfavorable for maintenance maintenance and long-term the use.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of optical lens and uses the aviation obstruction beacon of this optical lens.
A kind of optical lens, the light that is used for the light source that is arranged in it is launched reflects, it is characterized in that: described optical lens is hood-like, described optical lens offers cavity, described optical lens comprises the bottom surface, being arranged at inboard incidence surface reaches, be arranged at a plurality of exiting surfaces and a plurality of outer light splitting surface in the outside, the exiting surface of described optical lens, constitute lens light refracting sphere between the incidence surface, light is sent after lens light refracting sphere refraction by optical lens inside and is emitted to the optical lens outside, the exit direction of described light with respect to incident direction towards the bottom surface of described optical lens deviation.
Further, the profile of the exiting surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at described exiting surface place centered by the cavity central point and its minor axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the exiting surface of described optical lens arbitrarily:
x 2 r 2 + y 2 l 2 = 1
Wherein, x be on the exiting surface any point to the horizontal range of cavity axis, y be on the exiting surface any point to the vertical distance of light source center point place horizontal plane, r is the first half main axis length that exiting surface place Ellipsoidal Surface is arranged at horizontal direction, and l is the second half main axis length that exiting surface place Ellipsoidal Surface is arranged at vertical direction;
The profile of the incidence surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at incidence surface place centered by the cavity central point and major axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the described incidence surface arbitrarily:
x , 2 r , 2 + y , 2 l , 2 = 1
Wherein, x ' be on the incidence surface any point to the horizontal range of cavity axis Z, y ' be on the incidence surface any point to the vertical distance of light source center point place horizontal plane, r ' is arranged at the first half main axis length of horizontal direction for incidence surface place Ellipsoidal Surface, and l ' is arranged at the second half main axis length of vertical direction for incidence surface place Ellipsoidal Surface.
A kind of aviation obstruction beacon, comprise optical lens and light source, described optical lens offers cavity, described optical lens comprises a plurality of exiting surfaces that are arranged at inboard a plurality of incidence surfaces and a plurality of interior light splitting surface, are arranged at the outside, light splitting surface is arranged between adjacent two incidence surfaces in described, described outer light splitting surface is arranged between adjacent two exiting surfaces, constitute lens light refracting sphere between described exiting surface, the incidence surface, described light source is arranged at cavity central point and the cavity axis of described optical lens.
Further, described light source adopts the LED spot light, and described light source orientation is luminous and towards described cavity setting.
Further, the profile of the exiting surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at described exiting surface place centered by the cavity central point and its minor axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the exiting surface of optical lens arbitrarily:
x 2 r 2 + y 2 l 2 = 1
Wherein, x be on the exiting surface any point to the horizontal range of cavity axis, y be on the exiting surface any point to the vertical distance of light source center point place horizontal plane, r is the first half main axis length that exiting surface place Ellipsoidal Surface is arranged at horizontal direction, and l is the second half main axis length that exiting surface place Ellipsoidal Surface is arranged at vertical direction.
Further, described optical lens is provided with a plurality of exiting surfaces from the bottom to top, the ratio of the second half main axis length l that the ratio of the second half main axis length l and the first half main axis length r that is positioned at the exiting surface place Ellipsoidal Surface of top is less than or equal to the exiting surface place Ellipsoidal Surface that is positioned at the below and the first half main axis length r.
Further, the profile of the incidence surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at incidence surface place centered by the cavity central point and major axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the incidence surface arbitrarily:
x , 2 r , 2 + y , 2 l , 2 = 1
Wherein, x ' be on the incidence surface any point to the horizontal range of cavity axis, y ' be on the incidence surface any point to the vertical distance of light source center point place horizontal plane, r ' is arranged at the first half main axis length of horizontal direction for incidence surface place Ellipsoidal Surface, and l ' is arranged at the second half main axis length of vertical direction for incidence surface place Ellipsoidal Surface.
Further, described optical lens is provided with a plurality of incidence surfaces, the ratio of the second half main axis length l ' of each incidence surface place Ellipsoidal Surface and the first half main axis length r ' is more than or equal to 1, and the ratio of the second half main axis length l ' and the first half main axis length r ' of incidence surface place Ellipsoidal Surface that is positioned at the top is more than or equal to the second half main axis length l ' of the exiting surface place Ellipsoidal Surface that is positioned at the below ratio with the first half main axis length r '.
Further, interior light splitting surface or the outer light splitting surface profile conical surface that horizontal plane intercepted for being arranged by two spaces, the main shaft of the conical surface at light splitting surface or outer light splitting surface place overlaps with the cavity axis in described, and the line on interior light splitting surface or the outer light splitting surface between the conical tip of the conical surface at any point and its place or the extended line of line intersect at the light-emitting zone of light source.
Further, the conical tip of the conical surface at described interior light splitting surface or outer light splitting surface place coincides with the central point of the light-emitting zone of light source.
Compared to prior art, optical lens of the present utility model and use the orientable change light distribution of aviation obstruction beacon and the lighting angle of this optical lens, improve the directed concentrated luminous characteristics of light emitting diode simultaneously, improve the light source conversion ratio to greatest extent, can practical requirement, improve the efficiency standard again.
Description of drawings
Fig. 1 is the generalized section of the optical lens of first embodiment of the present utility model.
Fig. 1 is another generalized section of the optical lens of first embodiment of the present utility model.
Fig. 3 is the generalized section of the optical lens of second embodiment of the present utility model.
Fig. 4 is the generalized section of the optical lens of the 3rd embodiment of the present utility model.
Fig. 5 is the light distribution effect schematic diagram of aviation obstruction beacon of the present utility model.
The specific embodiment
Below in conjunction with description of drawings and the specific embodiment the utility model is further specified.
The utility model provides a kind of optical lens and has used the aviation obstruction beacon of this optical lens.
Described aviation obstruction beacon is provided with optical lens and is arranged at light source in the optical lens.Described aviation obstruction beacon can arrange lamp body, lamp socket and lamp pin, and described aviation obstruction beacon can be arranged at navigation channel, flight control zone, skyscraper etc. and locate, and is used for aircraft is played warning function.Be understandable that described lamp body, lamp socket and lamp pin can adopt the corresponding component unanimity of existing aviation obstruction beacon, be used for cooperating installation with described optical lens that its structure is consistent with structure of the prior art, does not repeat them here.
Be the optical lens 10 shown in the utility model embodiment one as shown in Figures 1 and 2.In the present embodiment, optical lens 10 is outline and is roughly hemispheric hood-likely, and it comprises a bottom surface 12 that is roughly hemispheric outer surface and is connected in spherical end face.The bottom surface 12 of optical lens 10 offers be used to the cavity that holds light source 100.In the present embodiment, the inner surface that optical lens 10 is arranged at the outer surface in the outside and is arranged at inboard cavity is roughly hemisphere face, and the bottom surface 12 of optical lens 10 is the plane.Be understandable that the outer surface of optical lens 10 and the radian of inner surface and size can be adjusted as required, the bottom surface 12 of optical lens 10 also can reach connection as required and hemisphere need be set or be similar to hemispheroidal other shapes.
Light source 100 is arranged at described cavity central point O.Cavity central point O is positioned at the bottom surface 12 of optical lens 10, and equates with distance between the each point of exiting surface 15 in same horizontal plane.In the present embodiment, cavity is hemispherical, and cavity central point O overlaps with the centre of sphere of cavity, and cavity central point O is positioned at the intersection point on cavity axis Z and plane, 12 place, bottom surface.In the utility model, cavity can be set to semielliptical shape, and then cavity central point O is positioned at the central point of described cavity.Cavity also is provided with cavity axis Z, and cavity axis Z is by cavity central point O and perpendicular to bottom surface 12, and in the present embodiment, cavity axis Z overlaps with the radius place straight line of cavity.Be understandable that, when cavity is semielliptical shape, cavity axis Z overlaps with the polar radius place straight line of cavity, described cavity central point O be arranged at optical lens bottom surface 12 not with the central point of cavity at the horizontal plane of depression angle, described cavity axis Z passes cavity central point O and perpendicular to bottom surface 12.
In the present embodiment, when optical lens 10 was installed on aviation obstruction beacon, described bottom surface 12 was horizontally disposed with, and cavity is fastened on light source 100 down and cavity axis Z vertically arranges, and optical lens 10 is positioned at the top of described light source 100.In the present embodiment, light source 100 adopts the LED spot light, and the LED spot light that adopts in the present embodiment is for directed luminous, and its light-emitting area is towards optical lens 10.Be understandable that as shown in Figure 2, the LED spot light can adopt single LED spot light or employing to have the pointolite array of a plurality of LED spot lights of being provided with of certain area.Central point as the LED spot light of light source 100 overlaps with the central point of cavity in the present embodiment.Be understandable that, optical lens 10 with respect to angle is set can arranges voluntarily as required of horizontal bottom 12, can optical lens 10 be obliquely installed with respect to horizontal bottom 12 according to required refraction effect.Same, light source 100 can have the skew of certain distance according to actual needs with respect to cavity central point O.
In the present embodiment, the inner surface of the cavity of optical lens 10 inboards is provided with incidence surface 11.The outer surface that optical lens 10 is arranged at the outside is provided with a plurality of exiting surfaces 15 and is connected in outer light splitting surface 17 between adjacent two exiting surfaces 15, and single outer light splitting surface 17 is arranged between adjacent two exiting surfaces 15.In the present embodiment, optical lens 10 is hemispherical.Described exiting surface 15 is the annular of arc for cross sectional shape, and outer light splitting surface 17 is the annular of straight line for cross sectional shape.
In the present embodiment, the profile of the exiting surface 15 of optical lens 10 is Ellipsoidal Surface, the Ellipsoidal Surface at exiting surface 15 places centered by cavity central point O and minor axis coincide with cavity axis Z, the horizontal cross-section of described Ellipsoidal Surface is circular.In the present embodiment, a bit satisfied following formula arbitrarily on the exiting surface 15 of optical lens 10:
x 2 r 2 + y 2 l 2 = 1
Wherein, x be on the exiting surface 15 any point to the horizontal range of cavity axis Z.Y be on the exiting surface 15 any point to the vertical distance of light source center point place horizontal plane.R is the first half main axis length that exiting surface 15 place Ellipsoidal Surface are arranged at horizontal direction, and l is the second half main axis length that exiting surface 15 place Ellipsoidal Surface are arranged at vertical direction.In the present embodiment, the first half main shafts of exiting surface 15 place Ellipsoidal Surface are major axis, and the second half main shafts of exiting surface 15 place Ellipsoidal Surface are minor axis.
As shown in Figure 2, in the present embodiment, optical lens 10 is provided with a plurality of exiting surfaces 15.In the present embodiment, optical lens 10 is provided with exiting surface 15a, exiting surface 15b, exiting surface 15c from the bottom to top.The first half main axis length of the Ellipsoidal Surface at exiting surface 15a place are r 1, the second half main axis length of the Ellipsoidal Surface at exiting surface 15a place are l 1The first half main axis length of the Ellipsoidal Surface at exiting surface 15b place are r 2, the second half main axis length l of the Ellipsoidal Surface at exiting surface 15b place 2The first half main axis length of the Ellipsoidal Surface at exiting surface 15c place are r 2, the second half main axis length of the Ellipsoidal Surface at exiting surface 15c place are l 3Described exiting surface 15a, exiting surface 15b, exiting surface 15c satisfy following formula:
l 1 r 1 ≥ l 2 l 2 ≥ l 3 r 3 ≥ 1
Be understandable that, optical lens can arrange n exiting surface 15, only needs to guarantee that each exiting surface satisfy above formula rule: the ratio of the second half main axis length l that the ratio of the second half main axis length l and the first half main axis length r that is positioned at the exiting surface place Ellipsoidal Surface of top is less than or equal to the exiting surface place Ellipsoidal Surface that is positioned at the below and the first half main axis length r.
In the present embodiment, the conical surface that horizontal plane intercepted of single outer light splitting surface 17 profiles for being arranged by two spaces, each outer light splitting surface 17 overlaps with a conical surface that is cone respectively, and this conical surface that is cone is that conical tip and main shaft overlap with cavity axis Z with cavity central point O.In the present embodiment, the slope difference of the conical surface at different outer light splitting surface 17 places, but its common ground is that the cone at each outer light splitting surface 17 places is conical tip with cavity central point O all, and main shaft overlaps with cavity axis Z.
Be illustrated in figure 2 as the generalized section through the section of cavity axis Z, dotted line is that curved surface and section intersect the curve that forms among the figure.The straight line at the line segment place that outer light splitting surface 17 and section intersect is through the central point of described light source 100.When light source adopts when having the LED spot light of certain area, the described conical surface that is cone gets final product with described light source is crossing.In the present embodiment, the described conical tip that is the conical surface of cone overlaps with the central point of light source.Described single outer light splitting surface 17 is extended to the top of the exiting surface 15 that the below is set by the end of the exiting surface 15 that is arranged at the top.Be understandable that the thickness with LED spot light of certain area can be ignored to the influence of light.
Constitute lens light refracting sphere between the incidence surface 11 of optical lens 10, the exiting surface 15.Be understandable that, described ray refraction angle and curvature are relevant with material, incidence surface 11, the shape of exiting surface 15, the curvature of lens light refracting sphere, and material that can be by selecting optical lens 10, exiting surface 15 are set and exiting surface 15 shapes are adjusted.In the present embodiment, because the bottom surface 12 of optical lens 10 offers cavity, so bottom surface 12 is for being formed at the annular slice in the plane, and its inner ring and outer ring are connected to the incidence surface 11 of optical lens 10 inboards and the exiting surface 15 in optical lens 10 outsides.
Be illustrated in figure 3 as second embodiment of the present utility model, optical lens 20 and the optical lens 10 among first embodiment among second embodiment are roughly the same.Difference is that the conical tip of the conical surface that is cone at light splitting surface 27 places, optical lens 20 China and foreign countries among second embodiment also can not be positioned at the central point of light source, only needs line between the conical tip of the conical surface that any point on the outer light splitting surface 27 of assurance and its place be cone or the extended line of line to intersect at the light source 200 with certain area.
Being illustrated in figure 4 as is the 3rd embodiment of the present utility model, and optical lens 30 and the optical lens 10 among first embodiment among the 3rd embodiment are roughly the same.Difference is, the inboard of the optical lens 30 among the 3rd embodiment is provided with a plurality of incidence surfaces 31 and is arranged at interior light splitting surface 33 between adjacent two incidence surfaces 31.
In the present embodiment, similar with outer light splitting surface 27, the conical surface that horizontal plane intercepted of light splitting surface 33 profiles for being arranged by two spaces in single, light splitting surface 33 overlaps with a conical surface that is cone respectively in each, and this conical surface that is cone is that conical tip and main shaft overlap with cavity axis Z with cavity central point O.In the present embodiment, the slope difference of the conical surface at different interior light splitting surface 33 places, but its common ground is that cone at light splitting surface 33 places is conical tip with cavity central point O all in each, and main shaft overlaps with cavity axis Z.When the light source employing has the LED spot light of certain area, described crossing the getting final product of light-emitting zone that is conical surface and the described light source of cone.In the present embodiment, the described conical tip that is the conical surface of cone overlaps with the central point of the light-emitting zone of light source.
In the present embodiment, optical lens corresponding outer light splitting surface 37 respectively is provided with an interior light splitting surface 33, and the corresponding outer light splitting surface that arranges 37 is arranged in the same conical surface that is cone with interior light splitting surface 33.Interior light splitting surface 33 also can be crisscross arranged with outer light splitting surface 37.Same, the conical tip of the conical surface that is cone at interior light splitting surface 33 places also can not be positioned at the central point of light source, and the line between the conical tip of the conical surface that any point in only needing to guarantee on the light splitting surface 33 and its place are cone or the extended line of line intersect at the light-emitting zone of the light source 200 with certain area.
In the present embodiment, the inner surface of the cavity of optical lens 30 inboards is provided with a plurality of incidence surfaces 31, and interior light splitting surface 33 is arranged between adjacent two incidence surfaces 31.
The profile of incidence surface 31 is Ellipsoidal Surface, the Ellipsoidal Surface at incidence surface 31 places centered by cavity central point O and major axis coincide with cavity axis Z, the horizontal cross-section of described Ellipsoidal Surface is circular.Following formula is satisfied in incidence surface maximum curvature path 31:
x , 2 r , 2 + y , 2 l , 2 = 1
Wherein, x ' be on the incidence surface 31 any point to the horizontal range of cavity axis Z.Y ' be on the incidence surface 31 any point to the vertical distance of light source center point place horizontal plane.R ' is arranged at the first half main axis length of horizontal direction for incidence surface 31 place Ellipsoidal Surface, and l ' is arranged at the second half main axis length of vertical direction for incidence surface 31 place Ellipsoidal Surface.
As shown in Figure 4, in the present embodiment, optical lens 30 is provided with a plurality of incidence surfaces 31.In the present embodiment, optical lens 30 is provided with incidence surface 31a, incidence surface 31b, incidence surface 31c from the bottom to top.The first half main axis length of the Ellipsoidal Surface at incidence surface 31a place are r 1', the second half main axis length of the Ellipsoidal Surface at incidence surface 31a place are l 1'.The first half main axis length of the Ellipsoidal Surface at incidence surface 31b place are r 2', the second half main axis length l of the Ellipsoidal Surface at incidence surface 31b place 2'.The first half main axis length of the Ellipsoidal Surface at incidence surface 31c place are r 3', the second half main axis length of the Ellipsoidal Surface at incidence surface 31c place are l 3'.Described incidence surface 31a, incidence surface 31b, incidence surface 31c satisfy following formula:
1 ≤ l 1 , r 1 , ≤ l 2 , r 2 , ≤ l 3 , r 3 ,
Be understandable that optical lens can arrange n incidence surface 31, only need to guarantee that each exiting surface satisfy above formula rule: the second half main axis length l ' of each incidence surface place Ellipsoidal Surface and the first half main axis length r 1' ratio more than or equal to 1, and be positioned at the second half main axis length l ' and the first half main axis length r of the incidence surface place Ellipsoidal Surface of top 1' ratio more than or equal to the second half main axis length l ' of the exiting surface place Ellipsoidal Surface that is positioned at the below and the first half main axis length r 1' the ratio.
Optical lens of the present utility model and use the orientable change light distribution of aviation obstruction beacon and the lighting angle of this optical lens, improve the directed concentrated luminous characteristics of light emitting diode simultaneously, improve the light source conversion ratio to greatest extent, can practical requirement, improve the efficiency standard again.
Above content be in conjunction with concrete preferred embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (10)

1. optical lens, the light that is used for the light source that is arranged in it is launched reflects, it is characterized in that: described optical lens is hood-like, described optical lens offers cavity, described optical lens comprises the bottom surface, being arranged at inboard incidence surface reaches, be arranged at a plurality of exiting surfaces and a plurality of outer light splitting surface in the outside, the exiting surface of described optical lens, constitute lens light refracting sphere between the incidence surface, light is sent after lens light refracting sphere refraction by optical lens inside and is emitted to the optical lens outside, the exit direction of described light with respect to incident direction towards the bottom surface of described optical lens deviation.
2. according to the described optical lens of claim 1, it is characterized in that: the profile of the exiting surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at described exiting surface place centered by the cavity central point and its minor axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the exiting surface of described optical lens arbitrarily:
Figure DEST_PATH_FDA00003569355800011
Wherein, x be on the exiting surface any point to the horizontal range of cavity axis, y be on the exiting surface any point to the vertical distance of light source center point place horizontal plane, r is the first half main axis length that exiting surface place Ellipsoidal Surface is arranged at horizontal direction, and l is the second half main axis length that exiting surface place Ellipsoidal Surface is arranged at vertical direction;
The profile of the incidence surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at incidence surface place centered by the cavity central point and major axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the described incidence surface arbitrarily:
Wherein, x ' be on the incidence surface any point to the horizontal range of cavity axis Z, y ' be on the incidence surface any point to the vertical distance of light source center point place horizontal plane, r ' is arranged at the first half main axis length of horizontal direction for incidence surface place Ellipsoidal Surface, and l ' is arranged at the second half main axis length of vertical direction for incidence surface place Ellipsoidal Surface.
3. aviation obstruction beacon, it is characterized in that: comprise optical lens and light source, described optical lens offers cavity, described optical lens comprises a plurality of exiting surfaces that are arranged at inboard a plurality of incidence surfaces and a plurality of interior light splitting surface, are arranged at the outside, light splitting surface is arranged between adjacent two incidence surfaces in described, described outer light splitting surface is arranged between adjacent two exiting surfaces, constitute lens light refracting sphere between described exiting surface, the incidence surface, described light source is arranged at cavity central point and the cavity axis of described optical lens.
4. according to the described aviation obstruction beacon of claim 3, it is characterized in that: described light source adopts the LED spot light, and described light source orientation is luminous and towards described cavity setting.
5. according to the described aviation obstruction beacon of claim 3, it is characterized in that: the profile of the exiting surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at described exiting surface place centered by the cavity central point and its minor axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the exiting surface of optical lens arbitrarily:
Figure DEST_PATH_FDA00003569355800021
Wherein, x be on the exiting surface any point to the horizontal range of cavity axis, y be on the exiting surface any point to the vertical distance of light source center point place horizontal plane, r is the first half main axis length that exiting surface place Ellipsoidal Surface is arranged at horizontal direction, and l is the second half main axis length that exiting surface place Ellipsoidal Surface is arranged at vertical direction.
6. according to the described aviation obstruction beacon of claim 3, it is characterized in that: described optical lens is provided with a plurality of exiting surfaces from the bottom to top, the ratio of the second half main axis length l that the ratio of the second half main axis length l and the first half main axis length r that is positioned at the exiting surface place Ellipsoidal Surface of top is less than or equal to the exiting surface place Ellipsoidal Surface that is positioned at the below and the first half main axis length r.
7. according to the described aviation obstruction beacon of claim 3, it is characterized in that: the profile of the incidence surface of described optical lens is Ellipsoidal Surface, the Ellipsoidal Surface at incidence surface place centered by the cavity central point and major axis coincide with the cavity axis, the horizontal cross-section of described Ellipsoidal Surface is circular, a bit satisfies following formula on the incidence surface arbitrarily:
Figure DEST_PATH_FDA00003569355800022
Wherein, x ' be on the incidence surface any point to the horizontal range of cavity axis, y ' be on the incidence surface any point to the vertical distance of light source center point place horizontal plane, r ' is arranged at the first half main axis length of horizontal direction for incidence surface place Ellipsoidal Surface, and l ' is arranged at the second half main axis length of vertical direction for incidence surface place Ellipsoidal Surface.
8. according to the described aviation obstruction beacon of claim 3, it is characterized in that: described optical lens is provided with a plurality of incidence surfaces, the ratio of the second half main axis length l ' of each incidence surface place Ellipsoidal Surface and the first half main axis length r ' is more than or equal to 1, and the ratio of the second half main axis length l ' and the first half main axis length r ' of incidence surface place Ellipsoidal Surface that is positioned at the top is more than or equal to the second half main axis length l ' of the exiting surface place Ellipsoidal Surface that is positioned at the below ratio with the first half main axis length r '.
9. according to the described aviation obstruction beacon of claim 4, it is characterized in that: interior light splitting surface or the outer light splitting surface profile conical surface that horizontal plane intercepted for being arranged by two spaces, the main shaft of the conical surface at light splitting surface or outer light splitting surface place overlaps with the cavity axis in described, and the line on interior light splitting surface or the outer light splitting surface between the conical tip of the conical surface at any point and its place or the extended line of line intersect at the light-emitting zone of light source.
10. according to the described aviation obstruction beacon of claim 9, it is characterized in that: the conical tip of the conical surface at light splitting surface or outer light splitting surface place coincides with the central point of the light-emitting zone of light source in described.
CN 201320105968 2013-03-08 2013-03-08 Optical lens and aviation obstruction beacon using same Expired - Fee Related CN203190312U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148447A (en) * 2013-03-08 2013-06-12 深圳市星标机电设施工程有限公司 Optical lens and aviation obstruction beacon adopting same
US20170097138A1 (en) * 2015-10-05 2017-04-06 C & E S.r.I. Light indicator
EP3153772A1 (en) * 2015-10-05 2017-04-12 C & E S.r.l. Light indicator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148447A (en) * 2013-03-08 2013-06-12 深圳市星标机电设施工程有限公司 Optical lens and aviation obstruction beacon adopting same
CN103148447B (en) * 2013-03-08 2016-08-10 深圳市星标机电设施工程有限公司 Optical lens and use the aviation obstruction beacon of this optical lens
US20170097138A1 (en) * 2015-10-05 2017-04-06 C & E S.r.I. Light indicator
EP3153772A1 (en) * 2015-10-05 2017-04-12 C & E S.r.l. Light indicator
US9995455B2 (en) * 2015-10-05 2018-06-12 C & E Group S.R.L. Light indicator

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