CN106051515A - Light distribution unit and light distribution assembly - Google Patents
Light distribution unit and light distribution assembly Download PDFInfo
- Publication number
- CN106051515A CN106051515A CN201610368537.2A CN201610368537A CN106051515A CN 106051515 A CN106051515 A CN 106051515A CN 201610368537 A CN201610368537 A CN 201610368537A CN 106051515 A CN106051515 A CN 106051515A
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- China
- Prior art keywords
- intensity distribution
- luminous intensity
- light
- light source
- dazzle
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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
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
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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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- 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
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a light distribution unit and a light distribution assembly. The light distribution unit is characterized by comprising light sources, a light source base plate and a lens main body; the light sources are fixed to the light source base plate; the lens main body is arranged on the light sources in a covering mode, fixed to the light source base plate and in a rotational symmetric shape along a rotating shaft of the lens main body and comprises a center emitting part and a glare limiting part which are continuously connected; and the glare limiting part surrounds the center emitting part and is used for deflecting light rays emitted by the light sources to the positions outside the second beam angle threshold value, the beam angle of the light rays is larger than the first beam angle threshold value, and the second beam angle threshold value is larger than the first beam angle threshold value. According to the light distribution unit and the light distribution assembly which are provided by the invention, the stray light rays which do not meet the anti-glare requirements can be deflected to the invisible areas through the glare limiting part, so that the glare influence caused by the stray light rays is avoided, and the influence of the stray light rays on the predetermined round light spot shape also can be avoided.
Description
Technical field
The present invention relates to lens technologies field, particularly relate to a kind of luminous intensity distribution unit and luminous intensity distribution assembly.
Background technology
Along with improving constantly of life and work level, spatial light environmental amenity degree is required more and more higher by people.Light
The good and bad direct visual organ on people of environmental quality and psychological comfort produce impact, the wherein dazzle visual adaptability shadow to people
Ring relatively big, easily cause the visual fatigue of people.
Dazzle is a kind of discomfort that produces, or reduces the ability of viewing main target, or both bad visions of having concurrently
Environment.By Luminance Distribution unfavorable in the visual field, the luminance difference of great disparity, or in space or time the most extreme upper contrast causes.
UGR is the best model of the sensation the most mathematically simulating people, and therefore lens can effectively reduce the value of UGR and are
Control maximally effective to dazzle, but single lens often produce a lot spuious during coordinating many light source applications
Light, it is relatively strong that this part light is mainly reflected in compared with simple lens single light source the light intensity 60 °～90 °, the one side of beam angle, thus
The spatial simulation dazzle caused can be stronger.
Therefore, the technical problem that dazzle becomes urgently to be resolved hurrily is the most effectively reduced.
Summary of the invention
The present invention provides a kind of luminous intensity distribution unit and luminous intensity distribution assembly, dizzy in order to reduce that lens luminous intensity distribution in prior art causes
Light, the dazzle caused in particular for circular luminous intensity distribution.
The present invention provides a kind of luminous intensity distribution unit, and including light source, light source substrate and lens body, described light source is fixed on described
On light source substrate, described lens body covers at described light source and fixes with described light source substrate, and described lens body revolves along it
Rotating shaft is rotational symmetric shape, and described lens body includes center exit portion and the dazzle limiting unit connected continuously, and described dazzle limits
Portion processed is more than the first light beam around described center exit portion, described dazzle limiting unit for that sent by described light source, beam angle
The light deflection of angle threshold value is to outside the second beam angle threshold value, and wherein, described second beam angle threshold value is more than described first light beam
Angle threshold value.
Preferably, the light-emitting face of described lens body includes center exit facet and dazzle limiting unit exit facet, described
The rotary shaft of mirror main body is through the angle of the center of described center exit facet, described rotary shaft and described dazzle limiting unit exit facet
At an acute angle.
Preferably, described dazzle limiting unit includes incidence surface and dazzle limiting unit exit facet, described incidence surface with described in
Heart exit facet relatively and continuously connects and forms the annular groove that longitudinal section is irregular, and described incidence surface will be from the outgoing of described center
Face is penetrated, beam angle is more than the light deflection of the first beam angle threshold value to described dazzle limiting unit exit facet.
Preferably, incidence surface and the dazzle limiting unit exit facet of described dazzle limiting unit connects formation longitudinal section continuously in not
The ring body that rule is trapezoidal, described dazzle limiting unit exit facet is by the light deflection after described incidence surface reflects to described second light
Outside beam angle threshold value.
Preferably, described dazzle limiting unit exit facet connects continuously with described center exit facet, and described dazzle limiting unit
Longitudinal section be prism-frustum-shaped.
Preferably, the plane curve being used for rotating formation described center exit facet is one section of camber line or has multiple flex point
Free curve.
Preferably, the plane curve being used for rotating the light entrance face forming described lens body is one section of camber line or has many
The free curve of individual flex point.
Preferably, described light source at least two and described light source are axle with the rotary shaft of described lens body for axis of symmetry
Symmetry arrangement, the light that described light source sends forms predetermined circular light spot through described lens body.
Preferably, the arrangement side of described light source includes cross array, square shape array, rectangular array, circular array, ellipse
One or more combinations in shape array.
Preferably, described light source substrate is provided with the light source position groove for fixing described light source, described light source position groove
Including embedding the rectangular-shaped cell body on below described light source substrate surface, the top of described cell body is provided with elliptical cone shape groove
Hole, described slotted eye is used for accommodating described light source.
Preferably, described lens body uses PC, PMMA or glass to make, and light-emitting face and the light of described lens body enter
The face of penetrating is bright finish, cloudy surface or microprism face.
The present invention provides a kind of luminous intensity distribution assembly, including: pedestal and several dismountable luminous intensity distribution unit, described luminous intensity distribution unit
Being arranged on described pedestal according to predetermined arranging rule, described luminous intensity distribution unit is such as above-mentioned luminous intensity distribution unit as described in any one.
Preferably, the rotary shaft of each described luminous intensity distribution unit is parallel with the central shaft of described pedestal, and described luminous intensity distribution unit
Rotary shaft arrange axisymmetricly about the central shaft of described pedestal.
Preferably, described pedestal is provided with two troughs of symmetry, and said two trough is respectively used to normal cabling
With emergent cabling.
Preferably, described luminous intensity distribution assembly also includes the some fixing counterbore being located on described pedestal, and described fixing counterbore is used
In several luminous intensity distribution unit described are fixed on described pedestal.
Preferably, described luminous intensity distribution assembly also includes the some locating dowels being located on described pedestal, and described locating dowel is used for limiting
Make the installation direction of described luminous intensity distribution unit.
Preferably, described luminous intensity distribution assembly also includes the hole, some fool proofs location being located on described pedestal, and described fool proof positions
Hole is for limiting the installation direction of described luminous intensity distribution unit.
Preferably, described luminous intensity distribution assembly also includes being located at the marine glue ring recess outside described pedestal and described luminous intensity distribution unit,
In described marine glue ring recess, waterproof apron is installed.
Circular luminous intensity distribution unit that the present invention provides and luminous intensity distribution assembly, at least have techniques below effect or an advantage:
1) by dazzle limiting unit, the spurious rays not meeting anti-glare requirement is deflected, and spurious rays is deflected
To invisible area, with the glare effects avoiding spurious rays to cause, and spurious rays also can be avoided predetermined circular light spot
The impact of shape.
2) use various light sources number, various light sources arranging rule to coordinate the mode of single lens body, breach tradition
The signal-lens limitation of single light source.
3) by the light entrance face of lens body and light-emitting face cooperating structurally, it is ensured that at many light sources
Predetermined circular light spot can be obtained during fit lens main body and meet predetermined distribution curve flux.
4) with a luminous intensity distribution unit can realize to different capacity, different light efficiency requirement general, and, in luminous intensity distribution assembly
Each luminous intensity distribution unit is separate, can realize dismounting freely, the convenient assembling carrying out luminous intensity distribution assembly at any time, and can Optional assembling
Go out the light efficiency needed.
Accompanying drawing explanation
In order to be illustrated more clearly that the present invention or technical scheme of the prior art, below will be to embodiment or prior art
In description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is the one of the present invention
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
Fig. 1 is that the light of luminous intensity distribution unit in prior art propagates schematic diagram；
Fig. 2 is that the light of luminous intensity distribution unit of the present invention propagates schematic diagram；
Fig. 3 is the axonometric chart of luminous intensity distribution unit of the present invention；
Fig. 4,5 and 11 are respectively luminous intensity distribution unit A-A sectional view in the embodiment of the present invention, wherein Fig. 4, show light source in 5；
Fig. 6～10 is light source arrangement mode schematic diagram in the embodiment of the present invention；
Figure 12 is the structural representation of luminous intensity distribution assembly of the present invention；
Figure 13 is the sectional view schematic diagram of luminous intensity distribution assembly of the present invention；
Figure 14 is the structural representation of the pedestal of luminous intensity distribution assembly of the present invention；
Figure 15 simulates hot spot, distribution curve flux for there being dazzle veiling glare control area；
Figure 16 is that hot spot, distribution curve flux are simulated in free from glare veiling glare control area.
In figure, 1, lens body, 2, light source, 3, light source substrate, 4, light-emitting face, 5, light entrance face, 6, light source position groove,
7, dazzle limiting unit, 8, luminous intensity distribution assembly, 9, fixing counterbore, 10, luminous intensity distribution unit, 11, trough, 12, locating dowel, 13, fool proof fixed
Hole, position, 14, marine glue ring recess, 15-center exit portion.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing in the present invention, to this
Technical scheme in invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
In existing lens design, as it is shown in figure 1, the light that light source sends is except being projected directly at regulation by lens
In the range of beam angle, also have outside the beam angle scope that a lot of spurious rays projects regulation, and this part veiling glare will be made
The Luminance Distribution becoming hot spot is not suitable for, and affects the visual adaptability of user.Especially when using many light sources to coordinate single lens
When carrying out luminous intensity distribution design, a large amount of veiling glares of generation can cause more serious glare effects.
The luminous intensity distribution unit of the application offer and luminous intensity distribution assembly, by optimizing the structure of lens body, set up dazzle limiting unit,
To originally can project after the light outside regulation beam angle deflects, and make these light tend to horizontal direction injection, so,
Veiling glare will not project spot area again, thus avoids the glare effects that veiling glare causes.
Below in conjunction with the accompanying drawings technical scheme is described in detail.
With reference to Fig. 3, the present invention provides a kind of luminous intensity distribution unit, including light source 2, light source substrate 3 and lens body 1, described light
Source 2 is fixed on described light source substrate 3, and described lens body 1 covers at described light source 2 and fixes with described light source substrate 3, institute
Stating lens body 1 along its rotary shaft is rotational symmetric shape, and described lens body 1 includes the center exit portion 15 that connects continuously and dizzy
Light limiting unit 7, described dazzle limiting unit 7 is around described center exit portion 15, and described dazzle limiting unit 7 is for sending out described light source
That go out, beam angle more than the light deflection of the first beam angle threshold value to outside the second beam angle threshold value, wherein, described second light beam
Angle threshold value is more than described first beam angle threshold value.
Specifically, described lens body 1 is axial symmetry rotary body, and described lens body 1 includes center exit portion 15 and dizzy
Light limiting unit 7, described dazzle limiting unit 7 is combined in the outer circumferential side of described center exit portion 15, and both can be one-body molded, the most logical
Overstretching or extrude one-body molded.
It is that the light that the light that in prior art, light source 2 sends penetrates through lens body 1 is propagated in conjunction with Fig. 1 and Fig. 2, Fig. 1
Schematic diagram, Fig. 2 is that a kind of concrete light corresponding to lens body 1 structure of the present invention propagates schematic diagram, the first beam angle threshold
Value and the second beam angle threshold value can be set according to required distribution curve flux, and center exit portion 15 and dazzle limiting unit 7 are to light
The refraction angle of line coordinate can by beam angle more than the light deflection of the first beam angle threshold value to outside the second beam angle threshold value.
Such as, when the first beam angle threshold value is set to 60 °, and the second beam angle threshold value is set as 85 °, the present invention provides
Lens body 1 can be deflected by the emergent ray that dazzle limiting unit is more than 60 degree to beam angle, makes these emergent raies
Beam angle increases to more than 85 °, and the light that beam angle is more than 85 ° will no longer project in spot area, therefore, and this part
Light after deflection will not reflex in human eye, also avoid this partially deflected after light produce glare effects.
In an alternative embodiment, the light-emitting face 4 of described lens body 1 includes that center exit facet and dazzle limiting unit go out
Penetrating face, the rotary shaft of described lens body 1 is through the center of described center exit facet, described rotary shaft and described dazzle limiting unit
The angle of exit facet is at an acute angle.
Specifically, the light that light source sends is when lens body 1 outgoing, and major part directly penetrates to light from center exit facet
Spot region, another part beam angle then can be penetrated more than the light of the first beam angle threshold value after the refraction of dazzle limiting unit exit facet
Go out, and owing to the angle of described dazzle limiting unit exit facet with the rotary shaft of lens body 1 acutangulates, therefore, this some light
Beam angle will be increased outside the second beam angle threshold value, and then this part through dazzle limiting unit exit facet reflect after light
To no longer be projected to spot area.
Described dazzle limiting unit 7 can use various structures form, if its Neng Jiang center exit facet penetrates and/or light source
Outside the spurious rays after light entrance face 4 refraction of lens body 1 sent deflects to the second beam angle threshold value, its
In, spurious rays refers to that beam angle is more than the light of the first beam angle threshold value.
Below in the way of multiple embodiments, the specific constructive form of described dazzle limiting unit 7 is carried out illustrative explanation:
The first embodiment is:
Described dazzle limiting unit 7 includes incidence surface and dazzle limiting unit exit facet, described incidence surface and the outgoing of described center
Face relatively and continuously connects and forms the annular groove that longitudinal section is irregular, and described incidence surface will penetrate from described center exit facet
, beam angle more than the light deflection of the first beam angle threshold value to described dazzle limiting unit exit facet.
With reference to Fig. 4, there is between center exit portion and dazzle limiting unit an annular groove, this annular groove by described center exit facet and
The incidence surface of described dazzle limiting unit connects formation.Trapezoidal annular groove so that center exit facet is not parallel to dazzle limiting unit
Incidence surface, therefore, from center exit facet injection the light more than the first beam angle threshold value can by dazzle limiting unit enter light
Face increases unirefringence, it is, the light that the some light that described annular groove makes light source send can sequentially pass through lens body enters
Penetrate face, center exit facet, the incidence surface of dazzle limiting unit and dazzle limiting unit exit facet, from described dazzle after four refractions
Limiting unit exit facet penetrates.
In the present embodiment, it is preferable that the incidence surface of described dazzle limiting unit 7 and dazzle limiting unit exit facet connect shape continuously
One-tenth longitudinal section is the ring body of irregular, and described dazzle limiting unit 7 exit facet is by inclined for the light after described incidence surface reflects
Go to outside described second beam angle threshold value.
Annular groove or the ring body of described irregular refer to, the angle of its opposing sidewalls is not zero, and its trench bottom or ring
The shape at body top can use and arbitrarily meet the shape that refraction angle requires, such as, can be arcuation, horizontal planar, inclined plane shape etc.
Deng, this is not especially limited by the present invention.
In conjunction with the light distribution schematic diagram shown in Fig. 2, owing to light is when air injects lens body 1, angle of incidence is more than folding
Firing angle；And contrary when light injects air from lens body 1, angle of incidence is less than refraction angle, therefore, when the light that a light source sends
Line is after above-mentioned four refractions, and its direction of propagation will turn to light source substrate 3 lateral deviation, it is, the beam angle after its deflection will
Much larger than the beam angle that it is initial.
And can determine that center exit facet and the incidence surface of dazzle limiting unit 7 and dazzle limiting unit exit facet by accurately calculating
Angular compliance relation, and the angular compliance relation between three is not unique, as long as disclosure satisfy that light refraction angle degree
The angular compliance relation required.
Another kind of embodiment is:
Described dazzle limiting unit exit facet connects continuously with described center exit facet, and the vertical of described dazzle limiting unit 7 cuts
Face is prism-frustum-shaped.
With reference to Fig. 5, the present embodiment realizes anti-dazzle by the exit facet shape optimizing lens body 1, and described dazzle limits
Portion 7 processed is set to the ring body that longitudinal section is prism-frustum-shaped, certainly, the table top of described ring body not necessarily with the plate of described light source substrate 3
Face is parallel, it is also possible to be inclined-plane, such as on the basis of the rotary shaft of lens body 1, from the side near rotary shaft to away from rotation
The side of rotating shaft is in tilting from top to bottom.
In the present embodiment, the light sent when light source is more than according to the shape trend calculating acquisition beam angle of center exit facet
During the first beam angle threshold value, this some light can penetrate from dazzle limiting unit exit facet, and when the slope of dazzle limiting unit exit facet
When spending the gradient corresponding with the tangent line of described table top joint less than center exit facet, described dazzle limiting unit exit facet can be light
Line provides bigger refraction angle, that is to say the beam angle of increasing light.
The table surface height of dazzle limited section 7 can be determined according to the first default beam angle threshold value, that is to say and determine which light
The exit facet injection of Xian Cong center, which light penetrates from dazzle limiting unit exit facet, and as the slope of dazzle limiting unit exit facet
Degree then can carry out calculating according to the second beam angle threshold value and determine, that is to say and determines according to required beam angle degree of deflection.
It is only that the structure illustratively having carried out described dazzle limiting unit 7 describes it should be noted that above, but the present invention
Described dazzle limiting unit 7 be not limited to above two version, as long as design principle based on the present invention obtain knot
Configuration formula all should belong to protection scope of the present invention.
In an alternative embodiment, it is one section of camber line for rotating the plane curve forming described center exit facet or has
The free curve of multiple flex points.
In order to obtain default circular light spot and meet predetermined distribution curve flux, in the present embodiment, described center exit facet
May be configured as Surface of Sphere or other rotationally symmetrical surf.
In another alternative embodiment, it is one for rotating the plane curve of the light entrance face 4 forming described lens body 1
Section camber line or there is the free curve of multiple flex point.
With described center exit facet correspondingly, the light entrance face 4 of lens body 1 may also be Surface of Sphere or other are rotationally symmetrical
Face.
Light entrance face 4 and the center exit facet of described lens body 1 cooperate, and the relation that light source 2 sends are deflected to
In the range of predetermined circular light spot, in conjunction with above understanding the description of dazzle limiting unit, the luminous intensity distribution unit that the present invention provides will
The light that light source 2 sends carries out deflection and is divided into two parts, and a part meets the light of anti-dazzle beam angle requirement and is deflected to pre-
In fixed circular light spot region, another part do not meet the light of anti-dazzle beam angle requirement be then deflected to visible range it
Outward, therefore, by center exit portion and the cooperation of dazzle limiting unit, predetermined circular light spot can be obtained, and can meet predetermined
Distribution curve flux, it is to avoid dazzle is on distribution curve flux and the impact of light spot shape.
In an alternative embodiment, described light source 2 at least two and described light source are with the rotary shaft of described lens body 1
Arranging axisymmetricly for axis of symmetry, the light that described light source 2 sends forms predetermined circular light spot through described lens body 1.
In existing lens design, when using many light sources to coordinate single lens to carry out luminous intensity distribution, due to the refraction of light
Causing: when quantity of light source is the most, light source area is the biggest, light is joined through obtaining regular light spot shape or meet after lens body
The difficulty of light curve is the biggest, and especially have customization to require to light spot shape or distribution curve flux in the case of, design difficulty is bigger.
In the present embodiment, structure based on dazzle limiting unit 7, can the veiling glare that many light sources cause be deflected to invisible
Region, to avoid the veiling glare impact on light spot shape, it addition, non-rotational symmetric shape based on center exit portion, the present embodiment
In, light source 2 is arranged with rotary shaft axisymmetricly for axle, it is ensured that penetrate from lens body 1 uniform light, and at lens body
Under the light entrance face of 1 and the form fit of center exit facet, by light deflection to the most predetermined spot area, thus obtain predetermined
Circular light spot shape and meet the requirement of distribution curve flux.
In the present embodiment, it is preferable that with reference to Fig. 6～10, the arrangement side of described light source 2 includes cross array, square shape battle array
One or more combinations in row, rectangular array, circular array, oval-shaped array.
In an alternative embodiment, described light source substrate 3 is provided with the light source position groove 6 for fixing described light source 2, institute
Stating light source position groove 6 and include embedding the rectangular-shaped cell body on below described light source substrate surface, the top of described cell body is provided with
Elliptical cone shape slotted eye, described slotted eye is used for accommodating described light source.
Existing light source substrate 3 when coordinating installation with lens body 1, only by light entrance face 4 correspondence of lens body 1
The space that the surface of inner concave and light source substrate surrounds is as the space of receiving light source, and such limitations is big, especially
Free air anomaly around light entrance face 4 and light source substrate 3 connecting position is narrow, it is impossible to be used for installing light source.
In the present embodiment, in order to realize by many light sources of regular array, at light source substrate 3 from the limitation accommodating space
On be additionally arranged light source position groove 6, light source position groove 6 embeds below the surface of light source substrate 3, thus can increase the receiving of light source 2
Space, especially also can obtain enough space mounting light sources at light entrance face and light source substrate connecting position.
In an alternative embodiment, described lens body 1 uses PC, PMMA or glass to make, the light of described lens body 1
Exit facet and light entrance face are bright finish, cloudy surface or microprism face.
See Fig. 1 and Fig. 2, and Figure 15 and Figure 16, the luminous intensity distribution unit that the present invention provides, the most at least may be used
Acquisition techniques below effect:
1) by dazzle limiting unit, the spurious rays not meeting anti-glare requirement is deflected, and spurious rays is deflected
To invisible area, with the glare effects avoiding spurious rays to cause, and spurious rays also can be avoided predetermined circular light spot
The impact of shape.
2) use various light sources number, various light sources arranging rule to coordinate the mode of single lens body, breach tradition
The signal-lens limitation of single light source.
3) by the light entrance face of lens body and light-emitting face cooperating structurally, it is ensured that at many light sources
Predetermined circular light spot can be obtained during fit lens main body and meet predetermined distribution curve flux.
With reference to Figure 12, the present invention also provides for a kind of luminous intensity distribution assembly, including: pedestal 16 and several dismountable luminous intensity distribution unit
10, described luminous intensity distribution unit 10 is arranged on described pedestal 16 according to predetermined arranging rule, described luminous intensity distribution unit be as the most above-mentioned arbitrarily
The luminous intensity distribution unit 10 that embodiment provides.
Specifically, the power of the luminous intensity distribution unit 10 provided in the various embodiments described above is all adjustable, several luminous intensity distribution unit
The 10 luminous intensity distribution assemblies caning be combined to various different capacity, in order to ensure that the hot spot that luminous intensity distribution assembly is formed is predetermined circular light spot,
And light distribution meets predetermined distribution curve flux, in the present embodiment, the arrangement of several luminous intensity distribution unit 10 need to observe predetermined arrangement
Rule, hereinafter will carry out described predetermined arranging rule launching explanation.
In an alternative embodiment, the rotary shaft of each described luminous intensity distribution unit 10 is parallel with the central shaft of described pedestal 16,
And the rotary shaft of described luminous intensity distribution unit 10 arranges axisymmetricly about the central shaft of described pedestal 16.
Specifically, the direction of each luminous intensity distribution unit 10 keeps consistent, it is ensured that the light spot group of each luminous intensity distribution unit 10 correspondence
Form predetermined circular light spot after conjunction, and meet predetermined distribution curve flux.
It addition, multiple luminous intensity distribution unit 10 can form luminous intensity distribution cell cube, multiple luminous intensity distribution cell cubes can form luminous intensity distribution assembly 8, often
Individual luminous intensity distribution unit 10 is all separate removable, and luminous intensity distribution cell cube also can be as overall separate removable, so, can form each
Plant the structure of luminous intensity distribution assembly 8, meet the use requirement under different occasions.
Although it should be noted that have spacing between each lens body, but the light sent when luminous intensity distribution assembly is on ground
On face or other shadow surface formed hot spot time, the distance between luminous intensity distribution assembly and shadow surface will be far longer than each luminous intensity distribution unit it
Between spacing, therefore, the spacing between luminous intensity distribution unit the dislocation between the hot spot that each luminous intensity distribution unit of causing is corresponding is negligible
Disregard.
In an alternative embodiment, as shown in figure 12, described pedestal 16 be provided with symmetry two troughs 11, described two
Individual trough 11 is respectively used to normal cabling and emergent cabling.
In an alternative embodiment, as shown in figure 12, what described luminous intensity distribution assembly also included being located on described pedestal 16 is some
Fixing counterbore 9, described fixing counterbore 9 is for being fixed on described pedestal 16 by several luminous intensity distribution unit 10 described.
Specifically, the installation portion of described luminous intensity distribution unit 10 can be coordinated by the counterbore shape setting described fixing counterbore 9
Shape, consistent to ensure the installation direction of each luminous intensity distribution unit 10.
In an alternative embodiment, as shown in figure 13, what described luminous intensity distribution assembly also included being located on described pedestal 16 is some
Locating dowel 12, described locating dowel 12 is for limiting the installation direction of described luminous intensity distribution unit 10.
Specifically, mating shapes with described locating dowel 12 can be offered on light source substrate 3 bottom surface of luminous intensity distribution unit
Hole, location, consistent to ensure the installation direction of each luminous intensity distribution unit.
In an alternative embodiment, described luminous intensity distribution assembly also includes the hole, some fool proofs location being located on described pedestal 16
13, hole, described fool proof location 13 is for limiting the installation direction of described luminous intensity distribution unit.
In an alternative embodiment, as shown in figure 14, described luminous intensity distribution assembly also includes being located at described pedestal 16 and described joins
Marine glue ring recess 14 outside light unit, is provided with waterproof apron in described marine glue ring recess 14.
, at least there is techniques below progress compared to prior art in the luminous intensity distribution assembly that the present invention provides:
1) be there is by employing the luminous intensity distribution unit of anti-dazzle effect, it is ensured that luminous intensity distribution assembly meets the illumination effect of anti-dazzle
Really, it is thus achieved that predetermined circular light spot also meets predetermined distribution curve flux.
2) with a luminous intensity distribution unit can realize to different capacity, different light efficiency requirement general, and, in luminous intensity distribution assembly
Each luminous intensity distribution unit is separate, can realize dismounting freely, the convenient assembling carrying out luminous intensity distribution assembly at any time, and can Optional assembling
Go out the light efficiency needed.
3) multiple luminous intensity distribution unit are arranged according to axial symmetry mode, it is ensured that the light spot shape that luminous intensity distribution assembly produces is joined with single
The light spot shape that light unit produces is consistent, so ensure that assemble the luminous intensity distribution assembly obtained also can be formed predetermined circular light spot and
Meet predetermined distribution curve flux.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (18)
1. a luminous intensity distribution unit, it is characterised in that include that light source, light source substrate and lens body, described light source are fixed on described
On light source substrate, described lens body covers at described light source and fixes with described light source substrate, and described lens body revolves along it
Rotating shaft is rotational symmetric shape, and described lens body includes center exit portion and the dazzle limiting unit connected continuously, and described dazzle limits
Portion processed is more than the first light beam around described center exit portion, described dazzle limiting unit for that sent by described light source, beam angle
The light deflection of angle threshold value is to outside the second beam angle threshold value, and wherein, described second beam angle threshold value is more than described first light beam
Angle threshold value.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that the light-emitting face of described lens body includes that center goes out
Penetrating face and dazzle limiting unit exit facet, the rotary shaft of described lens body is through the center of described center exit facet, described rotation
Axle is at an acute angle with the angle of described dazzle limiting unit exit facet.
Luminous intensity distribution unit the most according to claim 2, it is characterised in that described dazzle limiting unit includes incidence surface and dazzle limit
Portion processed exit facet, described incidence surface is relative with described center exit facet and connects that to form longitudinal section be the ring of irregular continuously
Groove, that penetrate from described center exit facet, beam angle are more than the light deflection of the first beam angle threshold value to institute by described incidence surface
State dazzle limiting unit exit facet.
Luminous intensity distribution unit the most according to claim 3, it is characterised in that the incidence surface of described dazzle limiting unit and dazzle limit
Portion's exit facet connects continuously, and to form longitudinal section be the ring body of irregular, described dazzle limiting unit exit facet will through described enter light
Outside light deflection after the refraction of face extremely described second beam angle threshold value.
Luminous intensity distribution unit the most according to claim 2, it is characterised in that described dazzle limiting unit exit facet goes out with described center
Face of penetrating connects continuously, and the longitudinal section of described dazzle limiting unit is prism-frustum-shaped.
Luminous intensity distribution unit the most according to claim 2, it is characterised in that for rotating the plane forming described center exit facet
Curve is one section of camber line or the free curve with multiple flex point.
7. according to described luminous intensity distribution unit arbitrary in claim 1～6, it is characterised in that be used for rotating the described lens master of formation
The plane curve of the light entrance face of body is one section of camber line or the free curve with multiple flex point.
8. according to the luminous intensity distribution unit described in claim 1～7 any one, it is characterised in that described light source at least two and
Described light source is arranged with the rotary shaft of described lens body axisymmetricly for axis of symmetry, and the light that described light source sends is through described
Lens body forms predetermined circular light spot.
Luminous intensity distribution unit the most according to claim 8, it is characterised in that the arrangement side of described light source includes cross array, mouth
One or more combinations in font array, rectangular array, circular array, oval-shaped array.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that described light source substrate is provided with for fixing described
The light source position groove of light source, described light source position groove includes the rectangular-shaped cell body embedding below described light source substrate surface,
The top of described cell body is provided with elliptical cone shape slotted eye, and described slotted eye is used for accommodating described light source.
11. luminous intensity distribution unit according to claim 1, it is characterised in that described lens body uses PC, PMMA or glass system
Becoming, the light-emitting face of described lens body and light entrance face are bright finish, cloudy surface or microprism face.
12. 1 kinds of luminous intensity distribution assemblies, it is characterised in that including: pedestal and several dismountable luminous intensity distribution unit, described luminous intensity distribution unit
Being arranged on described pedestal according to predetermined arranging rule, described luminous intensity distribution unit is the luminous intensity distribution unit as described in claim 2-11.
13. luminous intensity distribution assemblies according to claim 12, it is characterised in that the rotary shaft of each described luminous intensity distribution unit is with described
The central shaft of pedestal is parallel, and the rotary shaft of described luminous intensity distribution unit is arranged axisymmetricly about the central shaft of described pedestal.
14. luminous intensity distribution assemblies according to claim 12, it is characterised in that described pedestal is provided with two cablings of symmetry
Groove, said two trough is respectively used to normal cabling and emergent cabling.
15. luminous intensity distribution assemblies according to claim 12, it is characterised in that also include being located on described pedestal is some fixing
Counterbore, described fixing counterbore is for being fixed on described pedestal by several luminous intensity distribution unit described.
16. luminous intensity distribution assemblies according to claim 12, it is characterised in that also include the some location being located on described pedestal
Post, described locating dowel is for limiting the installation direction of described luminous intensity distribution unit.
17. luminous intensity distribution assemblies according to claim 12, it is characterised in that also include the some fool proofs being located on described pedestal
Hole, location, hole, described fool proof location is for limiting the installation direction of described luminous intensity distribution unit.
18. luminous intensity distribution assemblies according to claim 12, it is characterised in that also include being located at described pedestal and described luminous intensity distribution list
Marine glue ring recess outside unit, is provided with waterproof apron in described marine glue ring recess.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368537.2A CN106051515B (en) | 2016-05-30 | 2016-05-30 | One kind is with light unit and matches optical assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368537.2A CN106051515B (en) | 2016-05-30 | 2016-05-30 | One kind is with light unit and matches optical assembly |
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| Publication Number | Publication Date |
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| CN106051515A true CN106051515A (en) | 2016-10-26 |
| CN106051515B CN106051515B (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610368537.2A Active CN106051515B (en) | 2016-05-30 | 2016-05-30 | One kind is with light unit and matches optical assembly |
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| CN106051515B (en) | 2019-06-14 |
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