CN103185289B - A kind of light beam adjusts lens and includes the illuminator of these lens - Google Patents
A kind of light beam adjusts lens and includes the illuminator of these lens Download PDFInfo
- Publication number
- CN103185289B CN103185289B CN201110452313.7A CN201110452313A CN103185289B CN 103185289 B CN103185289 B CN 103185289B CN 201110452313 A CN201110452313 A CN 201110452313A CN 103185289 B CN103185289 B CN 103185289B
- Authority
- CN
- China
- Prior art keywords
- lens
- fin
- illuminator
- light beam
- light
- 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.)
- Expired - Fee Related
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention is applicable to lighting technical field, provide a kind of light beam adjust lens and include the illuminator of these lens, light beam adjusts lens and includes a lens body, lens body has two relative surfaces, wherein a surface is provided with a plurality of fin being parallel to each other, each fin is respectively provided with two relative side planes, and two side planes are opposed, inwardly directed is formed slopely splayed, and the angle of two side planes is 160～170 °.The present invention by adjusting the surface configuration fin of lens at light beam, and the angle of the two of fin side planes is defined to 160～170 °, make incident beam expand outwardly along the direction perpendicular with the orientation of fin and become oval, and make its isocandela curve meet the requirement of airport approach light sys tem；Compared with prior art, the present invention makes luminous energy all be used effectively, and has splendid energy-saving effect；The illuminator using this lens can also suitably reduce power, and then reduces production cost.
Description
Technical field
The invention belongs to lighting field, particularly relate to a kind of light beam and adjust lens and include the illuminator of these lens.
Background technology
Current lighting uses circular reflector, and the hot spot that its outgoing beam is formed on area of illumination is also circular, i.e. isocandela curve is circular.The isocandela curve that airport approach light sys tem requires is oval, and obtain oval isocandela curve by the structure changing reflector and be relatively difficult to realize, therefore reflector is not generally transformed by prior art, but make circular light spot coverage goal ellipse hot spot, even if the isocandela curve of circle comprises Target ellipse shape isocandela curve, as shown in Figure 1, X-axis data in figure represent the horizontal direction dispersion angle of light, Y-axis data represent the vertical direction dispersion angle of light, although this kind of method can meet the requirement of approach light sys tem to a certain extent, but circular isocandela curve cannot utilize beyond the part of oval isocandela curve in this method, cause the serious waste of luminous energy.
Summary of the invention
It is an object of the invention to provide a kind of light beam and adjust lens, can be adjusted light beam, to obtain oval hot spot, being allowed to meet airport and entering the requirement of low beam system, and avoid luminous energy to waste.
The present invention is realized in, a kind of light beam adjusts lens, including a lens body, described lens body has two relative surfaces, wherein a surface is provided with a plurality of fin being parallel to each other, each fin is respectively provided with two relative side planes, and the described opposed, inwardly directed splayed that is formed slopely of two side planes, the angle of said two side plane is 160～170 °.
Another object of the present invention is to provide a kind of illuminator, including a lamp holder, at the light-emitting window of described lamp holder, be provided with above-mentioned light beam adjust lens.
The present invention by adjusting the surface configuration fin of lens at light beam, incident beam is made to penetrate with the angle more than angle of incidence, and expand outwardly along the direction perpendicular with the orientation of fin, the light beam making circle or sub-circular is drawn as ellipse, further, the angle of two side planes of each fin is defined to 160～170 °, makes the isocandela curve of the oval-shaped beam after deformation meet the requirement of airport approach light sys tem；Additionally, compared with the method using circular isocandela curve coverage goal ellipse isocandela curve in prior art, the present invention is for oval by original circular light bundle drawing, makes luminous energy all be used effectively, light waste region, does not has splendid energy-saving effect；Owing to these lens can avoid light to waste, use the illuminator of this lens can also suitably reduce power, and then reduce production cost.
Accompanying drawing explanation
Fig. 1 be existing enter the isocandela curve of low beam and the comparison figure of target isocandela curve；
Fig. 2 is the side-looking structural representation that in the embodiment of the present invention, light beam adjusts lens；
Fig. 3 be in the embodiment of the present invention light beam adjust lens face structural representation；
Fig. 4 a is the sectional view () of the fin that light beam adjusts lens in the embodiment of the present invention；
Fig. 4 b is the sectional view (two) of the fin that light beam adjusts lens in the embodiment of the present invention；
Fig. 4 c is the sectional view (three) of the fin that light beam adjusts lens in the embodiment of the present invention；
Fig. 5 is the fundamental diagram that in the embodiment of the present invention, light beam adjusts lens；
Fig. 6 is that in the embodiment of the present invention, incident beam adjusts the isocandela curve after lens and the comparison figure of target isocandela curve through light beam；
Fig. 7 a is the isocandela curve and the comparison figure of target isocandela curve obtained when the angle of inclination of the fin side that light beam adjusts lens is less；
Fig. 7 b is the isocandela curve and the comparison figure of target isocandela curve obtained when the angle of inclination of the fin side that light beam adjusts lens is bigger；
Fig. 8 is the side-looking structural representation of illuminator in the embodiment of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 2,3 light beams respectively illustrating the present embodiment offer adjust the side-looking of lens and face structural representation, Fig. 4 a, 4b, 4c show that the light beam that the present embodiment provides adjusts three kinds of sectional views of the fin of lens, Fig. 5 shows that described light beam adjusts the operation principle schematic diagram of lens, and Fig. 6 shows circular light beam isocandela curve after described light beam adjusts lens and the comparison schematic diagram of target isocandela curve.
With reference to accompanying drawing 2,3, this light beam adjusts lens and includes a lens body 201, this lens body 201 has two relative surfaces, i.e. first surface 202 and second surface 203, second surface 203 therein is provided with a plurality of fin 204 being parallel to each other, the second surface being provided with fin 204 both can be as light entrance face, it is also possible to as light-emitting face, the Adjustment effect of light beam will not be produced difference.Each fin is respectively provided with two relative side planes 2041, the two side plane 2041 is opposed, inwardly directed is formed slopely splayed, with specific reference to accompanying drawing 4a, 4b, 4c, the cross section of this fin 204 can be specifically taper, such as Fig. 4 a, can also is that trapezoidal, such as Fig. 4 b, it is also possible to be top as illustrated in fig. 4 c be the shape of arc.The isocandela curve of illumination spot is relevant with the degree of convexity of fin 204, and therefore the angle of two side planes 2041 is set as 160～170 ° by the present embodiment further, and i.e. the angle of inclination γ of side plane 2041 opposite second surface 203 of fin 204 is 5～10 °.This light beam adjusts lens and may be installed at the light-emitting window of light fixture, for changing the shape of outgoing beam, with reference to accompanying drawing 5, circular light beam injects lens through first surface 202, and penetrate through having the second surface 203 of fin 204, twice refraction is there is at first surface 202 and second surface 203, light through fin 204 injection penetrates with the angle beta more than incident angle α, whole light beam expands outwardly along the direction perpendicular with the orientation of fin 204 after these lens and becomes oval, and oval long axis direction is i.e. vertical with the orientation of fin 204.The angle of inclination γ of the side plane opposite second surface 203 of fin 204 is 5～10 °, and this angle arranges the circular light beam being particularly suitable for the angle of divergence is 7～9 ° and becomes meeting the oval-shaped beam that airport approach light sys tem requires.With specific reference to accompanying drawing 6, solid-line curve L1, L2, L3 therein are target isocandela curve, imaginary curve L4, L5, L6 be the angle of divergence be that the circular light beam of 7～9 ° adjusts the isocandela curve after lens through this light beam, the oval isocandela curve after lens adjust is sufficiently close to aim curve as seen from Figure 6.Light beam described in the present embodiment adjusts lens be installed on and can produce the light fixture front end of circle or sub-circular hot spot and be obtained with oval hot spot, it is not necessary to the reflector of light fixture is improved, easily manufactures and assembling.And, this lens are used also to have significant energy-saving effect, conventional lamp needs sufficiently large power to make its circular light spot produced comprise Target ellipse shape hot spot, the region that this circular light spot is positioned at outside oval hot spot does not then have value, this part light is by serious waste, circle light beam is adjusted to oval by the present embodiment, its luminous energy is made all to be used effectively, not light waste region, the most compared with prior art, use lens described in the present embodiment that the utilization rate of luminous energy can be greatly improved, be conducive to controlling production cost and energy-conserving and environment-protective.With further reference to accompanying drawing 6, in low beam illuminator is entered on airport, the target isocandela curve L1 of preferable main beam:Corresponding minimum intensity of light requires to reach 10000cd, the target isocandela curve L2 of sub-beams:Corresponding minimum intensity of light requires to reach 2000cd, the target isocandela curve L3 of another sub-beams:Corresponding minimum intensity of light requires to reach 1000cd, to reach above-mentioned requirements, and the power 150W to be reached of light fixture used, and after using the light beam described in the present embodiment to adjust lens, the power of light fixture used can be reduced to 100W, and its energy-saving effect is the most notable.
In the present embodiment, the fin 204 of lens surface can be structure as a whole with lens body 201；Can certainly first lens working body 201, then the material identical with lens body 201 is used to make fin 204 on a surface of this lens body 201, but so can increase by two surfaces, and the two surface will not be accomplished the most smooth, the transmission direction that may result in light changes, wayward, therefore increase influence factor when determining the concrete structure of fin 204, and then increase difficulty of processing；On the other hand, increase by two surfaces and will increase by twice refracting process, light intensity will certainly be weakened to a certain extent.Therefore the preferred fin of the present embodiment 204 and lens body 201 use integrative-structure, specifically can first make lens body 201, then a surface to this lens body 201 carries out reworking to form fin 204, it is also possible to directly one-shot forming is with the lens of fin 204.
In the present embodiment, design and processing and manufacturing for the ease of fin structure, two surfaces of lens body 201 are preferably plane, light beam is fairly simple through the situation of plane refraction, the most complicated and changeable wayward through the situation of curved refractive, therefore first surface 202 and second surface 203 are designed as plane and are conducive to controlling the transmission path of light, and then be easy to the structure design of fin 204.The design at the angle of inclination of the side plane opposite second surface 203 of the fin 204 described in this example also the most applicable first surface 202 and second surface 203 are the situation of plane.
Certainly, first surface 202 and second surface 203 need not be limited strictly to plane, can also is that slightly convex convex surface, it can also be concave surface, whole lens body 201 can have the structure of convex lens, can also have the structure of concavees lens, but preferably stretch the effect of light beam in order to make this lens body 201 still have after combining with fin 204, protruding and depression the amplitude of lens body 201 is unsuitable excessive.
In the present embodiment, the concrete shape of isocandela curve is determined by the surface texture of lens, when lens working, needs to determine the surface texture of lens according to the shape COMPREHENSIVE CALCULATING of shape, dispersion angle and the target isocandela curve of original beam.For incident beam be the angle of divergence be the circular light beam of 7.5～8 °, first surface 202 and second surface 203 are preferably plane, the side plane angle of inclination γ of fin 204 is preferably 7 °, i.e. the cross section of fin 204 in taper or trapezoidal both sides angle be 166 °, the isocandela curve of the oval-shaped beam now obtained and target isocandela curve meet preferably, refer to accompanying drawing 6.With further reference to accompanying drawing 7a, when above-mentioned angle of inclination γ is less than 7 ° the least, its level of stretch is less, although isocandela curve is close to aim curve, but its major axis is shorter, and short axle is longer, make it not reach requirement at length direction, there is again waste region at width.With reference to accompanying drawing 7b, when above-mentioned angle of inclination is the biggest more than 7 °, level of stretch is excessive, and it is long at length direction, causes waste, and can not reach requirement at width.Therefore, when the angle of inclination of the side plane opposite second surface 203 of fin 204 is 7 °, it is preferable that the length of its major axis and short axle and aim curve meet, and the efficiency of light energy utilization is high.
Further, in order to obtain the illumination spot of brightness uniformity, can be by a plurality of fin 204 spaced set.When spacing between adjacent lugs 204 does not waits, refraction light can become uneven, affects illuminating effect.
In the present embodiment, the thickness of lens body 201 and the spacing of adjacent lugs 204 do not have strict requirements, and it is the least that the spacing of adjacent lugs 204 can be arranged, so that the light intensity in illumination space is more uniform.The material preferred high transmission rate material of lens, to reduce optical energy loss as far as possible.
nullThe light beam that the present invention provides adjusts lens and is adapted for mount at the light-emitting window of illuminator，For stretching to obtain oval illumination spot along a direction by light beam，Therefore，Invention further provides a kind of illuminator，With reference to accompanying drawing 8，Figure illustrate only part related to the present embodiment，This illuminator includes a lamp holder，A reflector 801 and light source 802 it is provided with in lamp holder，At the light-emitting window of lamp holder, it is provided with light beam of the present invention adjusts lens 803，This light beam adjust lens 803 be provided with fin surface can towards or light-emitting window dorsad，It is appreciated that，This light fixture also includes a reflector 801 and light source 802，The light that light source 802 produces forms the circular or light beam injection of sub-circular after reflector 801 reflects，Outgoing beam changes shooting angle again after light beam adjusts lens 803，Area of illumination is formed oval hot spot.For the circular light beam that the angle of divergence is 7～9 °, the isocandela curve entering the oval-shaped beam after these lens extremely meets the requirement of airport approach light sys tem.
Wherein, reflector 801 preferably can produce the reflector of circular light spot, and so, circular light beam can form the oval hot spot of standard of comparison after light beam adjusts lens 803 on area of illumination.
The illuminator that the present invention provides can form oval hot spot on the basis of varying without reflecting cup structure, its isocandela curve can well meet the requirement of airport approach light sys tem illumination light, can avoid existing light fixture is carried out the structure of modification of complexity simultaneously, and can improve the efficiency of light energy utilization, save the energy, the control to production cost is significant.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (7)
1. an illuminator, including a lamp holder that can produce circular light spot, it is characterized in that, being provided with light beam at the light-emitting window of described lamp holder and adjust lens, described light beam adjusts lens and includes that a lens body, described lens body have two relative surfaces, wherein a surface is provided with a plurality of fin being parallel to each other, each fin is respectively provided with two relative side planes, and the described opposed, inwardly directed splayed that is formed slopely of two side planes, the angle of said two side plane is 166 °；It is that output meets airport and enters the oval-shaped beam that low beam system main beam requires after the circular beam shaping of 7.5 °～8 ° to the angle of divergence that described light beam adjusts lens；The oval hot spot that described oval-shaped beam is formed has an isocandela curve L1:Isocandela curve L2: And isocandela curve L3:
2. illuminator as claimed in claim 1, it is characterised in that the cross section of described fin is taper or trapezoidal.
3. illuminator as claimed in claim 1, it is characterised in that the top of the cross section of described fin is arc.
4. illuminator as claimed in claim 1, it is characterised in that described fin is structure as a whole with described lens body.
5. illuminator as claimed in claim 1, it is characterised in that the distance between described each adjacent lugs is equal.
6. the illuminator as described in any one of claim 1 to 5, it is characterised in that described lens body has convex lens or concavees lens structure.
7. the illuminator as described in any one of claim 1 to 5, it is characterised in that the surface being not provided with described fin of described lens body is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110452313.7A CN103185289B (en) | 2011-12-29 | 2011-12-29 | A kind of light beam adjusts lens and includes the illuminator of these lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110452313.7A CN103185289B (en) | 2011-12-29 | 2011-12-29 | A kind of light beam adjusts lens and includes the illuminator of these lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185289A CN103185289A (en) | 2013-07-03 |
| CN103185289B true CN103185289B (en) | 2016-08-03 |
Family
ID=48676615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110452313.7A Expired - Fee Related CN103185289B (en) | 2011-12-29 | 2011-12-29 | A kind of light beam adjusts lens and includes the illuminator of these lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103185289B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870308B (en) * | 2017-10-10 | 2019-12-24 | 长城汽车股份有限公司 | Light emitting assembly |
| CN108826216A (en) * | 2017-10-10 | 2018-11-16 | 长城汽车股份有限公司 | Lens and luminescence component |
| CN109827147A (en) * | 2019-03-14 | 2019-05-31 | 华域视觉科技(上海)有限公司 | Special-shaped decorative pattern unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929651A (en) * | 2009-05-25 | 2010-12-29 | Lg伊诺特有限公司 | Clearance component, lens and have clearance component and the lighting device of lens |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4604767B2 (en) * | 2005-03-03 | 2011-01-05 | 日本ゼオン株式会社 | Direct backlight unit |
-
2011
- 2011-12-29 CN CN201110452313.7A patent/CN103185289B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929651A (en) * | 2009-05-25 | 2010-12-29 | Lg伊诺特有限公司 | Clearance component, lens and have clearance component and the lighting device of lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103185289A (en) | 2013-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100388514C (en) | Mirror and homogeneously luminous LED utilizing the mirror | |
| CN104360485B (en) | Linear laser light source and image acquisition system | |
| CN102121678B (en) | Designing method of distribution module of LED lamp | |
| CN105402673B (en) | Compound even smooth car light | |
| CN103185289B (en) | A kind of light beam adjusts lens and includes the illuminator of these lens | |
| KR101471609B1 (en) | Compound Refractive Lens for Lighting Unit and Street Light Apparatus Comprising the same | |
| CN105736974A (en) | Light distribution lens and lighting device adopting same | |
| US20220057070A1 (en) | Anti-Glare Reflector Cup and a Lamp with the Anti-Glare Reflector Cup | |
| CN102705776A (en) | Lens realizing even and rectangular facula | |
| CN104964247B (en) | A kind of optical lens | |
| CN100414322C (en) | Arrangement and device for optical beam homogenization | |
| EP3783396A1 (en) | Matrix optical system, light concentrating system, and compound eye lens | |
| KR102248309B1 (en) | Optical device for plant lighting and plant cultivation device including the optical device | |
| CN105333397B (en) | Polarizing lens and lighting lamp with same | |
| CN105156990B (en) | LED street lamp lens unit, LED street lamp lens module and street lamp with LED street lamp lens module | |
| CN114440142B (en) | LED optical system for forming special-shaped outline light spots based on micro-lens array | |
| CN201589198U (en) | LED road lamp reflecting cup, reflecting cup module and LED road lamp | |
| CN201412732Y (en) | LED traffic light assembly | |
| CN204740364U (en) | Optical element and lighting device | |
| CN101865425B (en) | Light guide plate and light incident structure thereof | |
| CN207990527U (en) | A kind of street lamp lens group | |
| KR101464277B1 (en) | Tilt type Compound Refractive Lens for Lighting Unit and Street Light Apparatus Comprising the same | |
| CN206257608U (en) | A kind of follow spot light of light beam brightness uniformity | |
| CN111797445A (en) | Design method of LED flower-shaped lighting lens and lens | |
| CN207122869U (en) | A kind of optical lens of 20 degree of half-angles of factory building bulkhead lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20181229 |