CN104696879A - Runway light for airport - Google Patents
Runway light for airport Download PDFInfo
- Publication number
- CN104696879A CN104696879A CN201310659143.9A CN201310659143A CN104696879A CN 104696879 A CN104696879 A CN 104696879A CN 201310659143 A CN201310659143 A CN 201310659143A CN 104696879 A CN104696879 A CN 104696879A
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- CN
- China
- Prior art keywords
- light
- plane
- incidence
- lead
- lens
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/06—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a runway light for an airport. The runway light for the airport comprises a housing component and a light source and a lens component arranged in the housing component, wherein the lens component comprises a first lens and a second lens; the first lens comprises a first incident plane, a second incident plane and a first ray exit surface; the light source is aligned with the first incident plane and the second incident plane; included angles are formed between the first incident plane and the second incident plane and the plane perpendicular to the optical axis of the light source and are symmetrical around the plane perpendicular to the optical axis; the second lens is mounted on the first ray exit surface and comprises a third incident plane and a second ray exit surface; light emitted by the light source refracted by the first incident plane and the second incident plane is scattered and irradiated to the second ray exit surface through the first ray exit surface and the third incident plane, and is refracted on the ray exit surface to form a gathered light which is ejected.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of lead-in-light system.
Background technology
Lead-in-light system is as voyage aid of the airport lighting, and it is the light units installed along airfield runway both sides and runway two ends, in order to indicate position and the scope of runway.Different according to mounting means, these runway lights are divided into stand-by light and recessed lighting fitting, and are adopt traditional halogen tungsten lamp as light source mostly, and when specifically using, these runway lights adopt reflector collected light mostly.But existing lead-in-light system has some deficiency following: the physical dimension of (1) reflector is often comparatively large, can take larger installing space, thus cause the overall dimensions and the production cost that increase runway lights; (2) reflectivity of described reflector is lower, generally only has about 80%, thus causes optical energy loss comparatively large, and the efficiency of light energy utilization is lower.Therefore, existing runway lights can not meet actual needs, especially can not meet the needs of special airfield runway (as military runway).
Summary of the invention
For the problems referred to above, the object of the present invention is to provide that a kind of structure is simple, size is little and the lead-in-light system that the efficiency of light energy utilization is high.
In order to solve the problems of the technologies described above, the invention provides a kind of lead-in-light system, it light source and lens subassembly of comprising housing unit and being positioned at this housing unit, described lens subassembly comprises the first lens and the second lens, described first lens comprise first plane of incidence, second plane of incidence and the first beam projecting face, this first plane of incidence of described source alignment and described second plane of incidence, described first plane of incidence and form angle between described second plane of incidence and the plane perpendicular to the optical axis of described light source, and about the plane symmetry at described optical axis place, described second lens are installed on described first beam projecting face, comprise the 3rd plane of incidence and the second beam projecting face, the light that described light source sends disperses after being reflected by this first plane of incidence and described second plane of incidence, and be irradiated to described second beam projecting face through described first beam projecting face and described 3rd plane of incidence, and after refraction occurs at this beam projecting face place, form the injection of convergence light.
Wherein, described lens subassembly is made up of optical-grade polymethylmethacrylacontinuous or Merlon jetting formation process.
Wherein, described first plane of incidence and described second plane of incidence are smooth ramp, and this first plane of incidence is crossing with described second plane of incidence and form a clip slot, and described first beam projecting face and described 3rd plane of incidence are the smooth flat perpendicular to described optical axis.
Wherein, described second beam projecting face is free form surface, and its periphery is connected to described 3rd plane of incidence, and this second beam projecting mask has collimate light effect, to reflect the light of described 3rd plane of incidence injection.
Wherein, the central light strength of the light injection that the refraction of described beam projecting face is converged is 225 candelas, and half light intensity angle of its luminescence is 150 °.
Wherein, described first lens are diverging lens, and described second lens are collimation lens, have collimate light and do in order to converge the light penetrated.
Wherein, described lead-in-light system also comprises lampshade, and described lampshade is made up of glass, and it removably covers at one end of described lamp casing, with the light of lens subassembly injection described in transmission.
Wherein, between the faying face of described lamp casing and described lampshade, sealing ring can be set up, with the inside preventing external impurities from entering described lead-in-light system.
Wherein, described lead-in-light system also comprises heat sink, described heat sink one aluminium base, and it is removably installed in one end of described lamp casing, and described light source is installed on described heat sink, and the heat conduction produced during this light source works sheds by this heat sink.
Wherein, described light source is light-emitting diode chip for backlight unit, sends red light during its work.
In lead-in-light system provided by the present invention, the structure of described lens subassembly is simple and size is less, itself and described light source constitute the light distributing system of this lead-in-light system, described second lens are installed on described first lens, first plane of incidence of these the first lens and described second plane of incidence are symmetrical about the vertical plane at described optical axis place, the light that described light source sends there occurs dispersion after being reflected by this first plane of incidence and described second plane of incidence and incides described second beam projecting face through described first beam projecting face and described 3rd plane of incidence, and after this second beam projecting face place reflects, pool required light injection.Therefore, this lead-in-light system realizes collection, light-focusing function by reflection, refraction, improve the efficiency of light energy utilization, its central light strength and half light intensity angle all can meet lighting requirement simultaneously, described light source and described lens subassembly constitute the light distributing system of this lead-in-light system, it can provide the emergent light after convergence, meets the requirement that lead-in-light system designs end lamp luminous intensity distribution.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the lead-in-light system that the embodiment of the present invention provides.
Fig. 2 is the perspective exploded view of the lead-in-light system that the embodiment of the present invention provides.
Fig. 3 is the structural representation of the lens subassembly that provides of the embodiment of the present invention and light source and heat sink.
Light intensity distribution curve flux figure (Cartesian form) of the lead-in-light system that Fig. 4 provides for the embodiment of the present invention.
Fig. 5 is the light intensity distribution curve flux figure (polar form) of the lead-in-light system that the embodiment of the present invention provides, and wherein, central light strength is approximately 225 candelas.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, embodiment of the present invention provides a kind of lead-in-light system 100, it is as voyage aid of the airport lighting, it is installed on airfield runway both sides and runway two ends, in order to indicate position and the scope of runway, in embodiments of the present invention, this lead-in-light system 100 is illustrated for runway end identification light.This lead-in-light system 100 comprises housing unit 20, lampshade 30, heat sink 40, light source 50 and lens subassembly 60.
Described light source 50 and described lens subassembly 60 constitute the light distributing system of this lead-in-light system 100, and it can form the emergent ray through converging, and meet the requirement of described lead-in-light system 100 pairs of luminous intensity distribution designs.Described light source 50 can need to launch light that is red and corresponding bright according to actual illumination, and expose on described lens subassembly 60, this lens subassembly 60 optical treatment (as reflection, refraction) from as described in the light of light source 50, and light collection to be penetrated, and improves the efficiency of light energy utilization.
In embodiments of the present invention, described housing unit 20 is as the cap body of this lead-in-light system 100, and its entirety is roughly the rectangular-shaped of hollow.This housing unit 20 can be made up of aluminium alloy, and it offers an accommodating cavity 22, and described heat sink 40, described light source 50 and described lens subassembly 60 are contained in this accommodating cavity 22.Described lampshade 30 removably covers at one end (i.e. the bright dipping end of this lamp casing 20) of described lamp casing 20, and then described heat sink 40, described light source 50 and described lens subassembly 60 is packaged in described lamp casing 20.Described lampshade 30 can be made up of glass, its light penetrated for lens subassembly described in transmission 60.Be appreciated that and can set up sealing ring (not shown) between described lamp casing 20 and the faying face of described lampshade 30, so as to prevent extraneous steam further, inside that dust and other impurities enters described lead-in-light system 100.
In embodiments of the present invention, described heat sink 40 is removably installed in the other end of described lamp casing 20, and it can be an aluminium base.Described light source 50 can be light emitting diode (light emitting diode, LED) chip, is specially, and this light source 50 can be the LED that power is 1 watt, light emitting anger is 150 °, and it can send red light, to meet the requirement of airport end lamp.This light source 50 is installed on described heat sink 40 by the mode such as surface mount, welding, and the heat conduction produced when this light source 50 can work by this heat sink 40 sheds.Described light source 50 comprises illuminating part 52, and this illuminating part 52 aims at described lens subassembly 60, and its light sent exposes on described lens subassembly 60, and is undertaken reflecting or reflecting by this lens subassembly 60.
See also Fig. 3, in an embodiment of the present invention, described lens subassembly 60 can be the special optical clear of LED, it can by polymethyl methacrylate (Polymethylmethacrylate, PMMA), Merlon (Polycarbonate, PC) or glass make, particularly, this lens subassembly 60 can be made up of optical grade PMMA or PC jetting formation process.Described lens subassembly 60 comprises the first lens 62 and the second lens 64, and these second lens 64 are installed on described first lens 62 by bonding mode, for transmitting and reflecting the light that these first lens 62 inject.
In an embodiment of the present invention, described first lens 62 can be diverging lens, and its entirety can be cuboid tabular.These first lens 62 comprise the first plane of incidence 622, second plane of incidence 623 and the first beam projecting face 624, and described first plane of incidence 622, described second plane of incidence 623 and described first beam projecting face 624 constitute the surface of described first lens 62.
In embodiments of the present invention, described first plane of incidence 622 and described second plane of incidence 623 are positioned at the side of described first lens 62, and the two aims at described light source 50.Be specially described first plane of incidence 622 and described second plane of incidence 623 is smooth ramp, namely, this first plane of incidence 622 and second plane of incidence 623 and perpendicular to the optical axis 80 of described light source 50 plane between shape at a certain angle, therefore, described first plane of incidence 622 and described second plane of incidence 623 intersect and form a clip slot therebetween.In addition, symmetrically, that is, this first plane of incidence 622 is symmetrical about the vertical plane at described optical axis 80 place with described second plane of incidence 623 for described first plane of incidence 622 and described second plane of incidence 623.
Described first beam projecting face 624 is positioned at the opposite side of described first lens 62, and it can be the smooth flat perpendicular to described optical axis 80, with refracted ray.Be specially, the light that described light source 50 sends is on this first plane of incidence 622 and described second plane of incidence 623, and reflect at this first plane of incidence 622 and the second plane of incidence 623 place, because described first plane of incidence 622 and described second plane of incidence 623 are inclined-plane, incide described first beam projecting face 624 after light then after now refraction there occurs light splitting, and again reflect at this first beam projecting face 64 place.
In embodiments of the present invention, described second lens 64 can be collimation lens, and it comprises the 3rd plane of incidence 642 and the second beam projecting face 643.Described 3rd plane of incidence 642 can be the smooth flat perpendicular to described optical axis 80, and in order to refracted ray, the 3rd plane of incidence 642 is installed on described first beam projecting face 624 by bonding mode.Described second beam projecting face 643 can be free form surface, and its periphery is connected to described 3rd plane of incidence 642.This second beam projecting face 643 has collimate light effect, the light that described in its refrangible, the 3rd plane of incidence 642 penetrates.Be specially, the light that described light source 50 sends is on this first plane of incidence 622 and described second plane of incidence 623, and reflect at this first plane of incidence 622 and the second plane of incidence 623 place, because described first plane of incidence 622 and described second plane of incidence 623 are inclined-plane, light then after now refraction there occurs dispersion and incides described second beam projecting face 643 through described first beam projecting face 624 and described 3rd plane of incidence 642, and again reflect at this second beam projecting face 643 place, because this second beam projecting face 643 has collimating effect, light injection needed for light collection then after now refraction becomes.
As one embodiment of the present of invention, one of design of described lens subassembly 60 can be: this lens subassembly 60 is the special optical lens of LED, and it is made up of any one material in PMMA, PC or glass; First plane of incidence 622 and described second plane of incidence 623 of described first lens 62 are smooth ramp, the two and perpendicular to optical axis 80 plane between shape at a certain angle, and described first plane of incidence 622 and described second plane of incidence 623 are symmetrical about the vertical plane at described optical axis 80 place; Described first beam projecting face 624 and described 3rd plane of incidence 642 are smooth flat, and described second beam projecting face 643 can be free form surface, and its periphery is connected to described 3rd plane of incidence 642.Be understandable that; above-mentioned design is only this one of them specific embodiment of lens subassembly 60; the application is not restricted to above-mentioned design; the size of this lens subassembly 60 designs according to the physical dimension of described LED lamp 100; as long as the design parameter meeting this optical property, all within the application's protection domain, does not repeat them here.
Based on above-mentioned design, via after described first plane of incidence 622 and the refraction of second plane of incidence 623 through described first beam projecting face 624 and described 3rd plane of incidence 642 light to described second beam projecting face 643, and again reflect at this second beam projecting face 643 place, because this second beam projecting face 643 has collimating effect, then the light injection needed for the light collection after now refraction becomes.Therefore, described lead-in-light system 100 finally can form light intensity as shown in Figures 4 and 5, wherein, central light strength is approximately 225 candelas, and half luminous light intensity angle is approximately 150 °, and angle scope is: level 11 °, vertical 2 ° to 7 °, the light intensity within the scope of this is not less than 225 candelas.Therefore, central light strength and the half light intensity angle of this LED lamp 100 all can meet lighting requirement simultaneously, described light source 50 and described lens subassembly 60 constitute the light distributing system of this lead-in-light system 100, it can provide the emergent light after convergence, meets the requirement of described LED lamp 100 pairs of luminous intensity distribution designs.
See also Fig. 1 to Fig. 5, during use, described light source 50 is installed on described heat sink 40 by the mode such as surface mount, welding, and after energising, this light source 50 needs to launch light that is red and corresponding bright according to actual illumination.Described first plane of incidence 622 and second plane of incidence 623 aim at described light source 50, the light that this light source 50 sends is on this first plane of incidence 622 and described second plane of incidence 623, and reflect at this first plane of incidence 622 and the second plane of incidence 623 place, because described first plane of incidence 622 and described second plane of incidence 623 are inclined-plane, light then after now refraction there occurs dispersion and incides described second beam projecting face 643 through described first beam projecting face 624 and described 3rd plane of incidence 642, and again reflect at this second beam projecting face 643 place, because this second beam projecting face 643 has collimating effect, light injection needed for light collection then after now refraction becomes.Via after described first plane of incidence 622 and the refraction of second plane of incidence 623 through described first beam projecting face 624 and described 3rd plane of incidence 642 light to described second beam projecting face 643, and again reflect at this second beam projecting face 643 place, because this second beam projecting face 643 has collimating effect, then the light injection needed for the light collection after now refraction becomes.Therefore, described lead-in-light system 100 finally can form light intensity as shown in Figures 4 and 5, and wherein, central light strength is approximately 225 candelas, and half luminous light intensity angle is approximately 150 °.Therefore, central light strength and the half light intensity angle of this LED lamp 100 all can meet lighting requirement simultaneously, described light source 50 and described lens subassembly 60 constitute the light distributing system of this lead-in-light system 100, it can provide the emergent light after convergence, meets the requirement of described LED lamp 100 pairs of luminous intensity distribution designs.
In sum, in lead-in-light system 100 provided by the present invention, the structure of described lens subassembly 60 is simple and size is less, itself and described light source 50 constitute the light distributing system of this lead-in-light system 100, described second lens 64 are installed on described first lens 62, first plane of incidence 622 of these the first lens 62 and described second plane of incidence 623 are symmetrical about the vertical plane at described optical axis 80 place, the light that described light source 50 sends there occurs dispersion and incides described second beam projecting face 643 through described first beam projecting face 624 and described 3rd plane of incidence 642 after being reflected by this first plane of incidence 622 and described second plane of incidence 623, and after this second beam projecting face 643 place reflects, pool required light injection.Therefore, this lead-in-light system 100 realizes collection, light-focusing function by reflection, refraction, improve the efficiency of light energy utilization, its central light strength and half light intensity angle all can meet lighting requirement simultaneously, described light source 50 and described lens subassembly 60 constitute the light distributing system of this lead-in-light system 100, it can provide the emergent light after convergence, meets the requirement of lead-in-light system 100 pairs of end lamp luminous intensity distribution designs.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a lead-in-light system, it light source comprising housing unit and be positioned at this housing unit, it is characterized in that, described lead-in-light system also comprises the lens subassembly be installed in described housing unit, described lens subassembly comprises the first lens and the second lens, described first lens comprise first plane of incidence, second plane of incidence and the first beam projecting face, this first plane of incidence of described source alignment and described second plane of incidence, described first plane of incidence and form angle between described second plane of incidence and the plane perpendicular to the optical axis of described light source, and about the plane symmetry at described optical axis place, described second lens are installed on described first beam projecting face, comprise the 3rd plane of incidence and the second beam projecting face, the light that described light source sends disperses after being reflected by this first plane of incidence and described second plane of incidence, and be irradiated to described second beam projecting face through described first beam projecting face and described 3rd plane of incidence, and after refraction occurs at this beam projecting face place, form the injection of convergence light.
2. lead-in-light system according to claim 1, is characterized in that, described lens subassembly is made up of optical-grade polymethylmethacrylacontinuous or Merlon jetting formation process.
3. lead-in-light system according to claim 1, it is characterized in that, described first plane of incidence and described second plane of incidence are smooth ramp, this first plane of incidence is crossing with described second plane of incidence and form a clip slot, and described first beam projecting face and described 3rd plane of incidence are the smooth flat perpendicular to described optical axis.
4. lead-in-light system according to claim 1, it is characterized in that, described second beam projecting face is free form surface, and its periphery is connected to described 3rd plane of incidence, this the second beam projecting mask has collimate light effect, to reflect the light of described 3rd plane of incidence injection.
5. lead-in-light system according to claim 1, is characterized in that, the central light strength of the light injection that the refraction of described beam projecting face is converged is 225 candelas, and half light intensity angle of its luminescence is 150 °.
6. lead-in-light system according to claim 1, is characterized in that, described first lens are diverging lens, and described second lens are collimation lens, has collimate light and does in order to converge the light penetrated.
7. lead-in-light system according to claim 1, is characterized in that, described lead-in-light system also comprises lampshade, and described lampshade is made up of glass, and it removably covers at one end of described lamp casing, with the light of lens subassembly injection described in transmission.
8. lead-in-light system according to claim 7, is characterized in that, can set up sealing ring between the faying face of described lamp casing and described lampshade, with the inside preventing external impurities from entering described lead-in-light system.
9. lead-in-light system according to claim 1, it is characterized in that, described lead-in-light system also comprises heat sink, described heat sink one aluminium base, it is removably installed in one end of described lamp casing, described light source is installed on described heat sink, and the heat conduction produced during this light source works sheds by this heat sink.
10. lead-in-light system according to claim 1, is characterized in that, described light source is light-emitting diode chip for backlight unit, sends red light during its work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659143.9A CN104696879A (en) | 2013-12-06 | 2013-12-06 | Runway light for airport |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659143.9A CN104696879A (en) | 2013-12-06 | 2013-12-06 | Runway light for airport |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696879A true CN104696879A (en) | 2015-06-10 |
Family
ID=53344273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310659143.9A Pending CN104696879A (en) | 2013-12-06 | 2013-12-06 | Runway light for airport |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869687A (en) * | 2016-09-22 | 2018-04-03 | 广州市新晶瓷材料科技有限公司 | A kind of white light source of low-angle |
-
2013
- 2013-12-06 CN CN201310659143.9A patent/CN104696879A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869687A (en) * | 2016-09-22 | 2018-04-03 | 广州市新晶瓷材料科技有限公司 | A kind of white light source of low-angle |
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| C06 | Publication | ||
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Application publication date: 20150610 |