CN107726170A - A kind of polarisation underground lamp - Google Patents
A kind of polarisation underground lamp Download PDFInfo
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- CN107726170A CN107726170A CN201711121512.3A CN201711121512A CN107726170A CN 107726170 A CN107726170 A CN 107726170A CN 201711121512 A CN201711121512 A CN 201711121512A CN 107726170 A CN107726170 A CN 107726170A
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- illumination
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- 238000005286 illumination Methods 0.000 claims abstract description 74
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 230000004907 flux Effects 0.000 description 8
- 239000007787 solid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/022—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a floor or like ground surface, e.g. pavement or false floor
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of polarisation underground lamp, including lens and light-emitting device, lens include incidence surface and exiting surface, wherein：Incidence surface and exiting surface are symmetrical structure, and the axis of incidence surface and the axis of exiting surface overlap；Incidence surface is located at the top of light-emitting device and covers light-emitting device；Light-emitting device deviates the axis pre-determined distance of incidence surface, so as to which light is inclined into illumination working face.The present invention realizes polarizing illumination by changing the position relationship of lens in polarisation underground lamp and light-emitting device.Specifically, the incidence surface of lens and exiting surface are symmetrical structure in the present invention and the axis of the two overlaps, light-emitting device below incidence surface deviates the axis of the two, make illumination working face needed for light deviation, polarizing illumination just can be realized because lens can be horizontally mounted and need not tilt light-emitting device, so the light of lens diverging than more uniform, can meet that high workload illuminates, and reduce the cost of material and process, while reduce the difficulty of lens arrangement.
Description
Technical field
The present invention relates to polarizing illumination field, more particularly to a kind of polarisation underground lamp.
Background technology
With the development of lighting engineering, the application of underground lamp is more and more extensive.Underground lamp is embedded in ground and provides illumination
A kind of lamp, underground lamp are generally divided into two kinds according to its lighting system, and a kind of is the symmetrical underground lamp for matching somebody with somebody optical illumination, and another kind is inclined
The underground lamp of optical illumination.In the prior art, the underground lamp of polarizing illumination includes light source board and lens, and polarizing illumination generally has two kinds
Structure is realized, one kind is that light source board is tilted into certain angle, in order to lift the illumination utilization rate of illumination working face, but it is this
Structure adds the cost of material and process, while adds the difficulty of lens arrangement；Another kind is that lens are entered into line tilt to set
Meter, make illumination working face needed for light deviation, but the light that this structure dissipates lens is not uniform enough, can not meet high workload
Illumination.
Therefore, how to provide a kind of scheme for solving above-mentioned technical problem is that those skilled in the art needs to solve at present
The problem of.
The content of the invention
It is an object of the invention to provide a kind of polarisation underground lamp, its lens can be horizontally mounted and need not tilt light-emitting device
Just polarizing illumination can be realized, so the light of lens diverging than more uniform, disclosure satisfy that high workload illuminates, and reduce material and work
The cost of sequence, while reduce the difficulty of lens arrangement.
In order to solve the above technical problems, the invention provides a kind of polarisation underground lamp, including lens and light-emitting device, it is described
Lens include incidence surface and exiting surface, wherein：
The incidence surface and the exiting surface are symmetrical structure, in the axis of the incidence surface and the exiting surface
Axis overlaps；The incidence surface is located at the top of the light-emitting device and covers the light-emitting device；The light-emitting device deviates
The axis pre-determined distance of the incidence surface, so as to which light is inclined into illumination working face.
Preferably, the side away from the light-emitting device includes cutting light portion on the exiting surface.
Preferably, the side away from the light-emitting device also includes frosted portion on the exiting surface.
Preferably, the shape of the incidence surface and the exiting surface in the direction parallel to the illumination working face is to throw
Thing line.
Preferably, the wide and high ratio range of the incidence surface is 1.4 to 1.8, the wide and high ratio of the exiting surface
It is 1.8 to 2.2 to be worth scope.
Preferably, the line of centres of the light-emitting device and the incidence surface, and the angle of the axis of the incidence surface
Scope is 5 ° to 10 °.
Preferably, the conversion relational expression between the illumination of the polarisation underground lamp and brightness is L=R × E, wherein, L is institute
Brightness is stated, E is the illumination, and R is the reflectance factor of the illumination working face.
Preferably, the light-emitting device is LED.
The invention provides a kind of polarisation underground lamp, including lens and light-emitting device, lens include incidence surface and exiting surface,
Wherein：Incidence surface and exiting surface are symmetrical structure, and the axis of incidence surface and the axis of exiting surface overlap；Incidence surface is located at
The top of light-emitting device and cover light-emitting device；Light-emitting device deviates the axis pre-determined distance of incidence surface, so as to which light is inclined
To illumination working face.
Compared with the polarizing illumination of prior art, the present invention is by changing lens in polarisation underground lamp and light-emitting device
Position relationship realizes polarizing illumination.Specifically, the present invention in lens incidence surface and exiting surface be symmetrical structure and the two
Axis overlaps, and the light-emitting device below incidence surface deviates the axis of the two, makes illumination working face needed for light deviation,
Polarizing illumination just can be realized because lens can be horizontally mounted and need not tilt light-emitting device, so the light of lens diverging is more equal
It is even, it disclosure satisfy that high workload illuminates, and reduce the cost of material and process, while reduce the difficulty of lens arrangement.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to institute in prior art and embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of polarisation underground lamp provided by the invention；
Fig. 2 is the specific embodiment that a kind of polarisation underground lamp provided by the invention washes wall；
Fig. 3 is distribution curve flux of the polarisation underground lamp shown in Fig. 2 in the direction parallel to illumination working face.
Embodiment
The core of the present invention is to provide a kind of polarisation underground lamp, and its lens can be horizontally mounted and need not tilt light-emitting device
Just polarizing illumination can be realized, so the light of lens diverging than more uniform, disclosure satisfy that high workload illuminates, and reduce material and work
The cost of sequence, while reduce the difficulty of lens arrangement.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is a kind of structural representation of polarisation underground lamp provided by the invention.
The polarisation underground lamp includes lens 1 and light-emitting device 2, and lens 1 include incidence surface 11 and exiting surface 12, wherein：
Incidence surface 11 and exiting surface 12 are symmetrical structure, the axis of incidence surface 11 and the axis weight of exiting surface 12
Close；Incidence surface 11 is located at the top of light-emitting device 2 and covers light-emitting device 2；The axis that light-emitting device 2 deviates incidence surface 11 is pre-
If distance, so as to which light is inclined into illumination working face.
It should be noted that the shape and structure of lens and light-emitting device includes but is not limited to the shape and structure shown in Fig. 1.
Specifically, here default sets in advance, it is only necessary to sets once, except not according to actual conditions need to repair
Change, otherwise need not reset.
Polarisation underground lamp in the application includes lens 1 and light-emitting device 2, and lens 1 are located at the top of light-emitting device 2, thoroughly
Mirror 1 includes incidence surface 11 and exiting surface 12, after the light source that light-emitting device 2 is sent carries out a light intensity distribution by incidence surface 11,
Sent from exiting surface 12 and carry out second of light intensity distribution.Here incidence surface 11 and exiting surface 12 is symmetrical structure, and enters light
The axis in face 11 and the axis of exiting surface 12 overlap.
The position relationship of lens 1 and light-emitting device 2 is：The incidence surface 11 of lens 1 covers light-emitting device 2, and light-emitting device 2 is inclined
From incidence surface 11 axis set in advance with a distance from.Side range blanking working face of the light-emitting device 2 close to incidence surface 11
Distance, less than the distance of side range blanking working face of the light-emitting device 2 away from incidence surface 11.Therefore, the light of light-emitting device 2
Source deviation illumination working face, add the illumination utilization rate of illumination working face.Specifically, perpendicular to the direction of illumination working face
On, light, which can converge, realizes that high workload illuminates；On the direction parallel to illumination working face, light, which can dissipate, realizes Uniform Illumination.
Due to the position relationship by adjusting lens 1 and light-emitting device 2, polarizing illumination is realized, so in the application
Lens 1 can be horizontally mounted, so the light that lens 1 dissipate than more uniform, disclosure satisfy that high workload illuminates；Moreover, the application is not yet
Need to tilt light-emitting device 2, so as to reduce the cost of material and process, while reduce the difficulty of the assembling of lens 1.
The invention provides a kind of polarisation underground lamp, including lens and light-emitting device, lens include incidence surface and exiting surface,
Wherein：Incidence surface and exiting surface are symmetrical structure, and the axis of incidence surface and the axis of exiting surface overlap；Incidence surface is located at
The top of light-emitting device and cover light-emitting device；Light-emitting device deviates the axis pre-determined distance of incidence surface, so as to which light is inclined
To illumination working face.
Compared with the polarizing illumination of prior art, the present invention is by changing lens in polarisation underground lamp and light-emitting device
Position relationship realizes polarizing illumination.Specifically, the present invention in lens incidence surface and exiting surface be symmetrical structure and the two
Axis overlaps, and the light-emitting device below incidence surface deviates the axis of the two, makes illumination working face needed for light deviation,
Polarizing illumination just can be realized because lens can be horizontally mounted and need not tilt light-emitting device, so the light of lens diverging is more equal
It is even, it disclosure satisfy that high workload illuminates, and reduce the cost of material and process, while reduce the difficulty of lens arrangement.
On the basis of above-described embodiment：
As a kind of preferred embodiment, the side away from light-emitting device 2 includes cutting light portion on exiting surface 12.
Specifically, on exiting surface 12 away from light-emitting device 2 side include cut a light portion, cut light portion make light extend laterally by
To suppression, anti-glare properties energy of the polarisation underground lamp in non-illumination working face is improved.Here away from luminous dress on exiting surface 12
Put 2 side include but are not limited on exiting surface 12 away from light-emitting device 2 symmetrical structure, cut light portion area size according to
The demand of anti-dazzle is set, and the application is not particularly limited herein.
As a kind of preferred embodiment, the side away from light-emitting device 2 also includes frosted portion on exiting surface 12.
Specifically, the side away from light-emitting device 2 also includes frosted portion on exiting surface 12, and frosted portion becomes exiting surface 12
Coarse, so that the light for projecting exiting surface 12 produces diffusing reflection, the light that exiting surface 12 projects can become soft, further carry
High anti-glare properties energy of the polarisation underground lamp in non-illumination working face.Similarly, the area size in frosted portion is according to anti-dazzle
Demand is set, and the application is not particularly limited herein.
As a kind of preferred embodiment, incidence surface 11 and exiting surface 12 are in the shape parallel to the direction for illuminating working face
It is parabola.
Specifically, the shape of incidence surface 11 and exiting surface 12 in the direction parallel to illumination working face can be parabolic
Line, lens 1 now are semiglobe, and the lens 1 of semiglobe make that the light that it dissipates is more uniform, and polarizing illumination effect is more
It is good.
Certainly, the shape of incidence surface 11 and exiting surface 12 in the direction parallel to illumination working face can also be other shapes
Shape, the application is not particularly limited herein, depending on actual conditions.
As a kind of preferred embodiment, the wide and high ratio range of incidence surface 11 is 1.4 to 1.8, exiting surface 12
Wide and high ratio range is 1.8 to 2.2.
Specifically, the wide and high ratio range of incidence surface 11 could be arranged to 1.4 to 1.8, perpendicular to illumination work
On the direction in face, the curve of incidence surface 11 is gentle, light is largely evenly spread on the direction parallel to illumination working face.
Illumination working face direction is gradually transitions close to the curve of the incidence surface 11 of illumination working face, and the curve glides in circular arc
To the bottom of lens 1, make nearby uniform light extraction.
The wide and high ratio range of exiting surface 12 could be arranged to 1.8 to 2.2, perpendicular to the direction of illumination working face
On, the curvilinear motion amplitude of exiting surface 12 is larger, and peak of curve deviates with light-emitting device 2, so as to concentrate and be inclined to light
Working face is illuminated, realizes that high workload illuminates.And light portion and the cut-off of frosted portion are cut in the directivity curve away from illumination working face, with
Obtain preferably anti-dazzle light effect.
Certainly, the wide and high ratio range of incidence surface 11 and exiting surface 12 is it can also be provided that other scopes, the application
It is not particularly limited herein, depending on actual conditions.
As a kind of preferred embodiment, the line of centres of light-emitting device 2 and incidence surface 11, and the axis of incidence surface 11
Angular range be 5 ° to 10 °.
Specifically, the line of centres of light-emitting device 2 and incidence surface 11, and the angular range of the axis of incidence surface 11 can be with
For 5 ° to 10 °, so as to which light to be concentrated on to the eminence of illumination working face, meet the requirement of eminence illumination.Light-emitting device 2 is with entering light
The line of centres in face 11, and the axis of incidence surface 11 angular range it can also be provided that other scopes, the application is herein not
It is particularly limited.
As a kind of preferred embodiment, the conversion relational expression between the illumination of polarisation underground lamp and brightness is L=R × E,
Wherein, L is brightness, and E is illumination, and R is the reflectance factor of illumination working face.
Specifically, luminous flux refers to luminous energy of the unit interval inner light source to space radiation, unit lm.Light intensity refers to light source
The luminous flux sent in unit solid angle, i.e.,Unit is cd；Wherein, I is light intensity, and Φ is luminous flux, and Ω is solid
Angle.Illumination refers to the luminous flux received on illumination working face in unit area, i.e.,Unit is lx；Wherein, E is photograph
Degree, S are the area of illumination working face.Conversion relational expression between light intensity and illumination isWherein, R is illumination working face
Reflectance factor.Brightness refers to the luminous flux that unit projection area is sent in unit solid angle in light-emitting area, i.e.,Wherein, L is brightness, and unit nt, α are the angle of the normal and light source incidence light of illumination working face.
Then the conversion relational expression between light intensity and brightness isConversion relational expression between illumination and brightness for L=R ×
E。
The specific embodiment that Fig. 2 and Fig. 3, Fig. 2 wash wall for a kind of polarisation underground lamp provided by the invention is refer to, Fig. 3 is
Distribution curve flux of polarisation underground lamp shown in Fig. 2 in the direction parallel to illumination working face.
Specifically, so that polarisation underground lamp washes wall as an example, multiple polarisation underground lamps are 0.5m from wall, and illumination working face is high
3m, the spacing of adjacent polarisation underground lamp is 2m, as shown in Figure 2.Light distribution is calculated with 0.4 uniformity, it is real
Existing 2m spacing cloth lamps, then it need to reach 150 ° or so parallel to light distribution angle on the direction of illumination working face, as shown in Figure 3.And want
Realize that 3m highly washes wall illumination, calculated and understood according to the conversion relational expression between illumination and brightness, to realize washing for the uniformity 0.4
Wall illuminates, and the distribution curve flux peak light intensity of lens 1 need to reach more than 1200cd/klm perpendicular to the direction of illumination working face.
As a kind of preferred embodiment, light-emitting device 2 is LED.
Specifically, the light-emitting device 2 in the application can select LED, and LED has energy-saving and environmental protection, efficiency high, heat
Measure the advantages that low, safe and reliable, the size design of lens 1 answers the size of compatible light-emitting device 2 here.The application can also select
With other kinds of light-emitting device 2, the application is not particularly limited herein.
It should also be noted that, in this manual, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of polarisation underground lamp, it is characterised in that including lens and light-emitting device, the lens include incidence surface and light extraction
Face, wherein：
The incidence surface and the exiting surface are symmetrical structure, the axis of the axis of the incidence surface and the exiting surface
Overlap；The incidence surface is located at the top of the light-emitting device and covers the light-emitting device；Described in the light-emitting device deviates
The axis pre-determined distance of incidence surface, so as to which light is inclined into illumination working face.
2. polarisation underground lamp as claimed in claim 1, it is characterised in that the one of the remote light-emitting device on the exiting surface
Side includes cutting light portion.
3. polarisation underground lamp as claimed in claim 2, it is characterised in that the one of the remote light-emitting device on the exiting surface
Side also includes frosted portion.
4. the polarisation underground lamp as described in claim any one of 1-3, it is characterised in that the incidence surface and the exiting surface exist
Shape parallel to the direction of the illumination working face is parabola.
5. polarisation underground lamp as claimed in claim 4, it is characterised in that the wide and high ratio range of the incidence surface is
1.4 to 1.8, the wide and high ratio range of the exiting surface is 1.8 to 2.2.
6. polarisation underground lamp as claimed in claim 5, it is characterised in that the center of the light-emitting device and the incidence surface connects
Line, and the angular range of the axis of the incidence surface is 5 ° to 10 °.
7. polarisation underground lamp as claimed in claim 6, it is characterised in that between the illumination of the polarisation underground lamp and brightness
Conversion relational expression is L=R × E, wherein, L is the brightness, and E is the illumination, and R is the reflectance factor of the illumination working face.
8. polarisation underground lamp as claimed in claim 7, it is characterised in that the light-emitting device is LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121512.3A CN107726170A (en) | 2017-11-14 | 2017-11-14 | A kind of polarisation underground lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121512.3A CN107726170A (en) | 2017-11-14 | 2017-11-14 | A kind of polarisation underground lamp |
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| Publication Number | Publication Date |
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| CN107726170A true CN107726170A (en) | 2018-02-23 |
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ID=61215546
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711121512.3A Pending CN107726170A (en) | 2017-11-14 | 2017-11-14 | A kind of polarisation underground lamp |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936462A (en) * | 2009-06-30 | 2011-01-05 | 富准精密工业(深圳)有限公司 | Light emitting diode module |
| CN102537831A (en) * | 2010-12-22 | 2012-07-04 | 欧司朗有限公司 | Lens and lighting device with same |
| CN104214537A (en) * | 2013-05-29 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | LED lamp |
| CN207378657U (en) * | 2017-11-14 | 2018-05-18 | 广东工业大学 | A kind of polarisation underground lamp |
-
2017
- 2017-11-14 CN CN201711121512.3A patent/CN107726170A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936462A (en) * | 2009-06-30 | 2011-01-05 | 富准精密工业(深圳)有限公司 | Light emitting diode module |
| CN102537831A (en) * | 2010-12-22 | 2012-07-04 | 欧司朗有限公司 | Lens and lighting device with same |
| CN104214537A (en) * | 2013-05-29 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | LED lamp |
| CN207378657U (en) * | 2017-11-14 | 2018-05-18 | 广东工业大学 | A kind of polarisation underground lamp |
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