CN105864720A - Strip-shaped light distribution unit and light distribution assembly - Google Patents
Strip-shaped light distribution unit and light distribution assembly Download PDFInfo
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- CN105864720A CN105864720A CN201610373455.7A CN201610373455A CN105864720A CN 105864720 A CN105864720 A CN 105864720A CN 201610373455 A CN201610373455 A CN 201610373455A CN 105864720 A CN105864720 A CN 105864720A
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- intensity distribution
- luminous intensity
- light
- distribution unit
- light source
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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
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- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a strip-shaped light distribution unit and a light distribution assembly. The strip-shaped light distribution unit comprises light sources, a light source substrate and a lens main body, wherein the light sources are fixed on the light source substrate, the lens main body covers the light sources and is fixed on the light source substrate, the lens main body is symmetric along the short central axis direction and the long central axis direction, at least two light sources are arranged on the light source substrate along the long central axis direction of the lens main body, light rays emitted from the light sources penetrate through the lens main body to form a predetermined strip-shaped light spot, wherein the short central axis is vertical to the long central axis. The light distribution unit and the light distribution assembly which are provided by the invention adopt a manner that multiple light sources and multiple light source arrangement modes are combined with light emitting of a single lens main body, the traditional single-light-source single-lens limitation is broken through, the light distribution unit can be arbitrarily assembled into the light distribution assembly with different powers, and one universal lens meeting different power and lighting effect requirements can be realized.
Description
Technical field
The present invention relates to lens technologies field, particularly relate to a kind of bar shaped luminous intensity distribution unit and luminous intensity distribution assembly.
Background technology
Current lens design is all to use single light source to mate single lens to realize target luminous intensity distribution, and
Use many light source design to mate single form of lens luminous intensity distribution design to be difficulty with.Its reason essentially consists in
In the design of mirror, the size of light source area, the number of light source number are the main factors affecting design difficulty,
Light source area is the biggest, be less susceptible to of light source number designs the distribution curve flux actually wanted to and hot spot more.
Therefore, how to design a kind of lens to realize meeting predetermined joining when many light sources coordinate single lens
Light curve and the predetermined hot spot of acquisition become technical problem urgently to be resolved hurrily.
Summary of the invention
The present invention provides a kind of bar shaped luminous intensity distribution unit and luminous intensity distribution assembly, in order to solve in prior art at many
Light source is difficult to predetermined distribution curve flux and the technical problem of predetermined hot spot in the case of coordinating single lens.
The present invention provides a kind of bar shaped luminous intensity distribution unit, including light source, light source substrate and lens body, described
Light source is fixed on described light source substrate, and described lens body covers at described light source and is fixed on described light
Source substrate, described lens body is symmetrical along its center short-axis direction and central longitudinal axis direction, and described light source is extremely
Be less two and along described lens body central longitudinal axis direction arrange be arranged on described light source substrate, institute
State the light that light source sends and form predetermined strip light spots, wherein, described center through described lens body
Short axle is mutually perpendicular to described central longitudinal axis.
Preferably, described lens body includes light entrance face and light-emitting face, and described light-emitting face is corresponding
The major axis contour curve identical with described central longitudinal axis direction is non-monotonic curve, and described major axis profile is bent
Line is symmetrical about described central minor axis, the short axle identical with described central minor axis direction of described light-emitting face
Contour curve is symmetrical about described central longitudinal axis.
Preferably, described light-emitting face includes even number quadratic surface, and described even number quadratic surface is along institute
Stating central longitudinal axis direction side by side, it is coplanar with described central minor axis that two of which adjoins quadric abutment line
Forming separating surface, described central longitudinal axis passes perpendicularly through described separating surface, is positioned at the two of described separating surface both sides
Secondary curved surface number is identical and distributing order is symmetrical about described separating surface.
Preferably, the Curvature varying of described each quadric major axis contour curve is to central minor axis direction
Gradually slowing down, wherein, described major axis contour curve is with described each quadric central longitudinal axis in the same direction.
Preferably, described light-emitting face includes odd number quadratic surface, and described odd number quadratic surface is along institute
Stating central longitudinal axis direction side by side, one of them quadric major axis contour curve is minor arc, and described bad
The midpoint of the string being parallel to described central longitudinal axis of arc and described central minor axis coplanar formation separating surface, described
Central longitudinal axis passes perpendicularly through described separating surface, be positioned at the quadratic surface number of described separating surface both sides identical and
Distributing order is symmetrical about described separating surface.
Preferably, the short axle contour curve identical with described central minor axis direction that described light-emitting face is corresponding
For non-monotonic curve or monotonous curve.
Preferably, the major axis contour curve identical with described central longitudinal axis direction of described light entrance face is single
Adjusting curve or non-monotonic curve, the major axis contour curve of described light entrance face is symmetrical about described central minor axis；
The short axle contour curve identical with described central minor axis direction of described light entrance face is monotonous curve or non-list
Adjusting curve, the short axle contour curve of described light entrance face is symmetrical about described central longitudinal axis.
Preferably, the arrangement mode of described light source include rectangle, linear distribution, an equidistant array of word or
One word nonuniform arrays.
Preferably, described light source substrate is provided with the light source position groove for fixing described 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
Portion is provided with elliptical cone shape slotted eye, and described slotted eye is used for accommodating described light source.
Preferably, described lens body uses PC, PMMA or glass to make.
The present invention also provides for a kind of luminous intensity distribution assembly, including: pedestal and several removable luminous intensity distribution unit,
Described luminous intensity distribution unit is arranged on described pedestal according to predetermined arranging rule, and described luminous intensity distribution unit is as above
Described arbitrary luminous intensity distribution unit.
Preferably, the central longitudinal axis of each described luminous intensity distribution unit is parallel to each other or conllinear, or each described
The central minor axis of luminous intensity distribution unit is parallel to each other or conllinear.
Preferably, described pedestal is provided with two troughs of symmetry, and said two trough is respectively used to
Normal cabling and emergent cabling.
Preferably, described luminous intensity distribution assembly also includes the some fixing counterbore being located on described pedestal, described solid
Determine counterbore for 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, described location
Post is for limiting 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, described
Hole, fool proof location is for limiting the installation direction of described luminous intensity distribution unit.
Preferably, what described luminous intensity distribution assembly also included being located at outside described pedestal and described luminous intensity distribution unit is waterproof
Aprons slot, is provided with waterproof apron in described marine glue ring recess.
Bar shaped luminous intensity distribution unit that the present invention provides and luminous intensity distribution assembly, at least have techniques below effect or an advantage:
Simple in construction, easy to use, use the arrangement of various light sources number, various light sources to coordinate branch lens
Going out the mode of light, breach the tradition signal-lens limitation of single light source, this simple lens group can go out multiple list
Lens power group, combination in any is high-power luminous intensity distribution assembly the most of the same race, it is possible to realize fitting with a lens
For the whole lamp of different capacity, use a lens to realize different capacity, different light efficiency requirement and lead to
With；The area of dissipation required for specular removal is fewer than low light efficiency, it is ensured that use this saturating in the case of heat radiation
Mirror can also realize higher power and use the lamp body of reduced size, has well application at lighting field
Prospect.
Accompanying drawing explanation
In order to be illustrated more clearly that the present invention or technical scheme of the prior art, below will to embodiment or
In description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the axonometric chart of bar shaped light-distribution lens of the present invention；
Fig. 2 be in the embodiment of the present invention bar shaped light-distribution lens along the sectional view of its central longitudinal axis；
Fig. 3 be in the embodiment of the present invention bar shaped light-distribution lens along the sectional view of its central minor axis；
Figure 4 and 5 are the structural representation of two kinds of light source arrangement modes in the embodiment of the present invention；
Fig. 6 is the structural representation of luminous intensity distribution assembly of the present invention；
Fig. 7 is the sectional view in A-A direction in Fig. 6；
Fig. 8 is the cross-sectional schematic that multiple luminous intensity distribution unit carries out arranging on pedestal；
Fig. 9 is predetermined strip light spots schematic shapes；
Figure 10 is predetermined distribution curve flux schematic diagram.
In figure, 1-lens body, 2-light source, 3-light source substrate, 4-light entrance face, 5-light-emitting face, 6-
Light source position groove, 7-luminous intensity distribution unit, 8-trough, 9-fixes counterbore, 10-locating dowel, 11-waterproof apron
Groove, hole, 12-fool proof location
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with in the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the present invention, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention,
The every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
In existing lens design, when using many light sources to coordinate single lens to carry out luminous intensity distribution, due to light
The refraction of line causes: when quantity of light source is the most, light source area is the biggest, and light obtains through after lens body
Regular light spot shape or to meet the difficulty of distribution curve flux the biggest, especially to light spot shape or distribution curve flux
In the case of having customization to require, design difficulty is bigger.
The core idea of the present invention is: in order to when many light sources coordinate single lens, it is thus achieved that predetermined
Light spot shape and meet predetermined distribution curve flux, designs a kind of Promethean lens body, by lens master
The light entrance face of body and the cooperation of light-emitting face, it is achieved the direction that the light alignment of many light sources is predetermined deflects also
Obtain the strip light spots of customization and meet predetermined distribution curve flux.
Below in conjunction with the accompanying drawings the technical scheme of invention is described in detail.
With reference to Fig. 1, the present invention provides a kind of bar shaped luminous intensity distribution unit, including light source 2, light source substrate 3 and thoroughly
Mirror main body 1, described light source 2 is fixed on described light source substrate 3, and described lens body 1 covers at institute
State light source 2 and be fixed on described light source substrate 3, described lens body 1 along its center short-axis direction and in
Heart long axis direction is symmetrical, described light source 2 at least two and the central longitudinal axis side along described lens body 1
Being arranged on described light source substrate 3 to arrangement, the light that described light source 2 sends passes through described lens body
1 forms predetermined strip light spots, and wherein, described central minor axis is mutually perpendicular to described central longitudinal axis.
Described central longitudinal axis can be the straight line at 2 places of maximum distance, institute on described lens body 1
Stating central minor axis and be perpendicular to described central longitudinal axis, lens body 1 is about the separating surface pair at central longitudinal axis place
Claiming, and another separating surface about described central minor axis place is the most symmetrical, two described separating surfaces are
It is perpendicular to the plane of horizontal plane.
It should be noted that the description shape merely for convenience such as heretofore described " separating surface " and
The virtual plane of definition, heretofore described lens body 1 can use PC, PMMA or glass etc. to make
Become, be integrated, described lens body 1 should be interpreted as non-because of words such as " separating surfaces "
One-body molded.
The length of the central longitudinal axis of described lens body 1 is more than the length of its central minor axis, and, this
The symmetric shape of bright middle lens body 1 and multiple light source 2 along the arrangement mode in described central longitudinal axis direction,
Can ensure that the hot spot formed when the light of described light source 2 is through described lens body 1 is strip.
In an alternative embodiment, with reference to Fig. 2 and 3, described lens body 1 is along its center long axis direction
Extending, described lens body 1 includes light entrance face 4 and light-emitting face 5, and described light-emitting face 5 is corresponding
The major axis contour curve identical with described central longitudinal axis direction be non-monotonic curve, and described major axis profile
Curve is symmetrical about described central minor axis, described light-emitting face 5 identical with described central minor axis direction
Short axle contour curve is symmetrical about described central longitudinal axis.
Wherein, the short axle contour curve identical with described central minor axis direction of described light-emitting face 5 is non-
Monotonous curve or monotonous curve.Such as, the short axle contour curve of described light-emitting face 5 can be circular arc,
Alternatively go out the non-monotonic curve that the major axis contour curve of exit facet 5 is similar to described light, hereinafter by right
The major axis contour curve of described light-emitting face 5 is described in detail.It addition, light entrance face 4 and light outgoing
The shape in face 5 cooperates, with the light deflection that sent by described light source 2 to predetermined angular.
In the present embodiment, according to the contour shape of described light-emitting face 5, can will reflect through light entrance face 4
After the light direction of propagation deflect, nonmonotonic major axis contour curve can change in prior art dull
Uniformly dissipating of the light that contour curve causes, thus realize carrying out deflecting to obtain bar shaped by some light
Hot spot.
In the way of multiple embodiments, the shape of the light-emitting face in the present invention is described in detail below.
In one embodiment:
Described light-emitting face 5 includes even number quadratic surface, and described even number quadratic surface is along described center
Side by side, two of which adjoins the formation coplanar with described central minor axis of quadric abutment line and divides long axis direction
Interface, described central longitudinal axis passes perpendicularly through described separating surface, is positioned at the quadratic surface of described separating surface both sides
Number is identical and distributing order is symmetrical about described separating surface.
In the present embodiment, with reference to Fig. 2, include as a example by two quadratic surfaces by described light-emitting face 5, institute
The major axis contour curve stating light-emitting face 5 is similar to smooth " M " shape, and two quadratic surfaces are mutually continuous,
Forming separating surface at adjoiner, two quadratic surfaces are symmetrical about described separating surface, incident through described light
Light after the refraction of face, can be formed as shown in Figure 9 to again deflecting through two quadratic surface rears
Strip light spots.
As a kind of preferred embodiment mode, each quadric major axis profile described in the present embodiment
The Curvature varying of curve gradually slows down to central minor axis direction, and wherein, described major axis contour curve is with described
Each quadric central longitudinal axis is in the same direction.Such as two shown in Fig. 2 quadratic surface, due to single
The Curvature varying of quadric major axis contour curve is the most slow the closer to central minor axis, and this can ensure described light
Exit facet 5 can be by the direction of propagation of the light through described lens body 1 edge in lens body 1
Heart direction deflects, thus realizes in light-ray condensing to predetermined strip light spots region, predetermined to meet
Distribution curve flux, described predetermined distribution curve flux can be distribution curve flux as shown in Figure 10.
In another in embodiment:
Described light-emitting face 5 includes odd number quadratic surface, and described odd number quadratic surface is along described center
Side by side, one of them quadric major axis contour curve is minor arc to long axis direction, and described minor arc is flat
Row is in the midpoint of the string of described central longitudinal axis and described central minor axis coplanar formation separating surface, and described center is long
Axle passes perpendicularly through described separating surface, is positioned at the quadratic surface number of described separating surface both sides identical and arrange suitable
Sequence is symmetrical about described separating surface.
In the present embodiment, when light-emitting face 5 includes odd number quadratic surface, one of them quadratic surface
Being positioned at the center of described lens body 1, the major axis contour curve that this quadratic surface is corresponding is required to be circular arc,
To meet the symmetric shape requirement of described lens body 1.
Include as a example by three quadratic surfaces by described light-emitting face 5, according to the quadratic surface pair coming middle part
The separating surface that the string of the major axis contour curve answered and described central minor axis determine, described in come middle part two
Secondary curved surface and described lens body are all symmetrical about this separating surface.The quadratic surface coming both sides can be not rounded
Cambered surface, such as described in come quadric Curvature varying of both sides can be the most slow the closer to central minor axis, from
And play and carry out light deflecting to realize the effect in light-ray condensing to predetermined strip light spots, and can
Meet the distribution curve flux customized in Figure 10.
It should be noted that in the above two embodiment about light-emitting face 5, multiple secondaries are bent
The shape in face can identical also can differ, during for differing, it is only necessary to ensures described light-emitting face 5
Separating surface about central minor axis and central longitudinal axis place is respectively symmetrically, and for quadric song
Rate variation pattern can also be other form, as long as can be with the form fit of described light entrance face by light
In the range of deflecting to predetermined strip light spots, this is all not especially limited by the present invention.
In an alternative embodiment, with reference to light entrance face 4 described in Fig. 2 and 3 with described central longitudinal axis side
It is monotonous curve or non-monotonic curve to identical major axis contour curve, the major axis wheel of described light entrance face 4
Wide curve is symmetrical about described central minor axis；Described light entrance face identical with described central minor axis direction
Short axle contour curve is monotonous curve or non-monotonic curve, and the short axle contour curve of described light entrance face 4 closes
Symmetrical in described central longitudinal axis.
Described light entrance face 4 be the light that sends of light source first plane of refraction of process, therefore, as long as
Ensure that the light through the injection of described light entrance face 4 meets symmetrical requirements, that is to say, if described light
The shape of the plane of incidence 4 is satisfied to be respectively symmetrically about described central longitudinal axis and central minor axis.The present embodiment
In, described light entrance face 4 can be arc surface, can be the described smooth outgoing being similar to be provided above
The non-arc surface of face 5 shape, and, the major axis contour curve of described light entrance face 4 correspondence or short axle wheel
Wide curve is alternatively the shape that multiple conic section connects continuously.
It should be noted that the light entrance face 4 provided in the present embodiment can carry in above-mentioned any embodiment
The light-emitting face 5 of confession coordinates, by described light entrance face 4 and the curved surface number of light-emitting face 5,
Curvature, Curvature varying trend is isoparametric is mutually matched, and the light deflection that can realize sending light source is in advance
In fixed strip light spots region, and the light distribution requirement of predetermined distribution curve flux can be met, never obtain pre-
Fixed bar shaped luminous intensity distribution.
In an alternative embodiment, with reference to Figure 4 and 5, the arrangement mode of described light source 2 include rectangle,
Linear distribution, an equidistant array of word or a word nonuniform arrays.
In the present embodiment, described light source 2 is along the arrangement of described central longitudinal axis direction one word or by rule formation row
Cloth, such as, shown in Fig. 5,4 light sources 2 are arranged along described central longitudinal axis direction one word unequal-interval,
The light that 4 light sources 2 send all can be divided by twice deflection of described light entrance face 4 and light-emitting face 5
Do not form predetermined strip light spots, Figure 10 institute can be met by adjusting the parameters such as the light intensity of 4 light sources 2
The light distribution requirement of the distribution curve flux shown.
In the present embodiment, for being arranged in described central longitudinal axis light source 2 on the projection line of described substrate,
The light of each light source 2 all can form predetermined strip light spots through after described lens body 1, and each
The strip light spots that light source 2 is formed can form final predetermined strip light spots and meet predetermined after being overlapped mutually
Distribution curve flux requirement；For the light source with rectangle or linear distribution, can by about described central longitudinal axis in institute
Two light sources 2 of the projection line symmetry stating substrate pass through described as light sources, the light of each light sources
All can form predetermined strip light spots after lens body 1, and the strip light spots that each light sources is formed is mutual
Final predetermined strip light spots can be formed after superposition and meet predetermined distribution curve flux requirement, certainly, light source
Number of light sources in group can also is that other quantity.
It should be noted that the arrangement mode of light source 2 is possible not only to individually certain mode and arranges in the present embodiment
Individually with a word unequal-interval arrangement in cloth, such as Fig. 5；Can also is that the combination of several arrangement mode,
Such as, rectanglar arrangement and a word are equidistantly arranged combination.
In an alternative embodiment, with reference to Fig. 3, described light source substrate 3 is provided with for fixing described light
The light source position groove 6 in source, described light source position groove 6 includes the length embedding below described light source substrate surface
The cell body of cube shape, the top of described cell body is provided with elliptical cone shape slotted eye, and described slotted eye is used for accommodating institute
State light source 2.
The light of lens body 1, when coordinating installation with lens body 1, is only entered by existing light source substrate 3
The space that the surface of the inner concave and light source substrate 3 of penetrating face 4 correspondence surrounds as accommodate light source space,
Such limitations is big, especially the space around light entrance face 4 and light source substrate 3 connecting position
Stenotic, 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 from accommodating the limitation in space,
Be additionally arranged light source position groove 6 on light source substrate 3, light source position groove 6 embed the surface of light source substrate 3 with
Under, thus the receiving space of light source 2 can be increased, especially connect at light entrance face 4 and light source substrate 3
Position also can obtain enough space mounting light sources.
The bar shaped luminous intensity distribution unit that the present invention provides, the most at least has a techniques below progress:
1) various light sources number, various light sources arranging rule is used to coordinate the mode of single lens body, prominent
Break the signal-lens limitation of traditional single light source.
2) using the lens body shape of original creation, light entrance face and light-emitting face by lens body are at knot
Cooperating on structure, it is ensured that predetermined strip light spots can be obtained when many light source fit lens main bodys
And meet predetermined distribution curve flux.
3) by the Optimal improvements to light source installation site, it is ensured that many light sources are in the receiving of lens body
When space is installed, can carry out arranging by arrangement and not limited to by space.
With reference to Fig. 6, the present invention also provides for a kind of luminous intensity distribution assembly, including: pedestal 13 is dismantled and assembled with several
Luminous intensity distribution unit 7, described luminous intensity distribution unit 7 is arranged on described pedestal 13 according to predetermined arranging rule, institute
Stating luminous intensity distribution unit 7 can be in any of the above-described embodiment or the luminous intensity distribution list of above-mentioned any embodiment combination correspondence
Unit 7.The detailed description of described luminous intensity distribution unit 7 refers to the most each embodiment, is not repeated at this to describe.
The power of the luminous intensity distribution unit 7 provided in the various embodiments described above is all adjustable, several luminous intensity distribution unit
The 7 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
Strip light spots, and light distribution meets predetermined distribution curve flux, in the present embodiment, several luminous intensity distribution lists
The arrangement of unit 7 need to observe predetermined arranging rule, hereinafter will carry out described predetermined arranging rule launching to say
Bright.
In an alternative embodiment, the central longitudinal axis of each described luminous intensity distribution unit 7 is parallel to each other or conllinear,
Or the central minor axis of each described luminous intensity distribution unit is parallel to each other or conllinear.
Specifically, each luminous intensity distribution unit 7 can continue to arrange and also can equal or unequal arrange, institute
The direction stating each luminous intensity distribution unit 7 keeps consistent, it is ensured that the hot spot combination of each luminous intensity distribution unit 7 correspondence
The strip light spots that rear formation is predetermined, and meet predetermined distribution curve flux.
It addition, multiple luminous intensity distribution unit 7 can form luminous intensity distribution unit group, multiple luminous intensity distribution unit groups can form luminous intensity distribution
Assembly, each luminous intensity distribution unit 7 is independent removable, and luminous intensity distribution unit group also can be independent as entirety
Dismounting, so, can form the structure of various luminous intensity distribution assembly, meets the use requirement under different occasion.
Although it should be noted that have spacing between each lens body 1, but when luminous intensity distribution assembly sends
Light when forming hot spot on ground or other shadow surface, the distance between luminous intensity distribution assembly and shadow surface will
It is far longer than the spacing between each luminous intensity distribution unit 7, therefore, the spacing between luminous intensity distribution unit 7 causes
Each luminous intensity distribution unit 7 correspondence hot spot between dislocation negligible.
In an alternative embodiment, as shown in Figure 6, described pedestal 13 is provided with two troughs of symmetry
8, said two trough 8 is respectively used to normal cabling and emergent cabling.
In an alternative embodiment, as shown in Figure 6, described luminous intensity distribution assembly also includes being located on described pedestal
Some fixing counterbore 9, described fixing counterbore 9 is for being fixed on institute by several luminous intensity distribution unit 7 described
State pedestal.
Specifically, described luminous intensity distribution unit 7 can be coordinated by the counterbore shape setting described fixing counterbore 9
The shape of installation portion, consistent to ensure the installation direction of each luminous intensity distribution unit 7.
In an alternative embodiment, as shown in Figure 6, described luminous intensity distribution assembly also includes being located at described pedestal 13
On some locating dowels 10, described locating dowel is for limiting the installation direction of described luminous intensity distribution unit 7.
Specifically, can offer on light source substrate 3 bottom surface of luminous intensity distribution unit 7 and the shape of described locating dowel 10
The hole, location that shape matches, consistent to ensure the installation direction of each luminous intensity distribution unit 7.
In an alternative embodiment, as it is shown in fig. 7, described luminous intensity distribution assembly also includes being located at described pedestal 13
On hole 12, some fool proofs location, hole 12, described fool proof location is for limiting the peace of described luminous intensity distribution unit 7
Dress direction.
In an alternative embodiment, described luminous intensity distribution assembly also includes being located at described pedestal 13 and described luminous intensity distribution list
Marine glue ring recess 11 outside unit 7, is provided with waterproof apron in described marine glue ring recess 11.
, at least there is techniques below progress compared to prior art in the luminous intensity distribution assembly that the present invention provides:
1) the luminous intensity distribution assembly of different capacity can be obtained by the combination of multiple luminous intensity distribution unit.
2) with a luminous intensity distribution unit can realize to different capacity, different light efficiency requirement general, and, join
Each luminous intensity distribution unit in optical assembly is separate, can realize dismounting freely, conveniently carries out luminous intensity distribution at any time
The assembling of assembly, and the light efficiency needed can be gone out by Optional assembling.
3) arragement direction of multiple luminous intensity distribution unit is consistent, it is ensured that the light spot shape of luminous intensity distribution assembly generation and list
The light spot shape that individual luminous intensity distribution unit produces is consistent, and then ensure that assembling the luminous intensity distribution assembly obtained also can be formed
Predetermined strip light spots and meet predetermined distribution curve flux.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (17)
1. a bar shaped luminous intensity distribution unit, it is characterised in that include light source, light source substrate and lens body,
Described light source is fixed on described light source substrate, and described lens body covers at described light source and is fixed on institute
Stating light source substrate, described lens body is symmetrical along its center short-axis direction and central longitudinal axis direction, described light
Arrange and are arranged on described light source substrate in source at least two and the central longitudinal axis direction along described lens body
On, the light that described light source sends forms predetermined strip light spots, wherein, institute through described lens body
State central minor axis to be mutually perpendicular to described central longitudinal axis.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that described lens body includes light
The plane of incidence and light-emitting face, the major axis wheel identical with described central longitudinal axis direction that described light-emitting face is corresponding
Wide curve is non-monotonic curve, and described major axis contour curve is symmetrical about described central minor axis, described light
The short axle contour curve identical with described central minor axis direction of exit facet is symmetrical about described central longitudinal axis.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that described light-emitting face includes idol
Several quadratic surfaces, along described central longitudinal axis direction side by side, two of which is adjacent for described even number quadratic surface
Connecing quadric abutment line and described central minor axis coplanar formation separating surface, described central longitudinal axis is vertically worn
Cross described separating surface, be positioned at that the quadratic surface number of described separating surface both sides is identical and distributing order is about institute
State separating surface symmetrical.
Luminous intensity distribution unit the most according to claim 3, it is characterised in that described each quadric
The Curvature varying of major axis contour curve gradually slows down to central minor axis direction, and wherein, described major axis profile is bent
Line is with described each quadric central longitudinal axis in the same direction.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that described light-emitting face includes very
Several quadratic surfaces, along described central longitudinal axis direction side by side, one of them is two years old for described odd number quadratic surface
The major axis contour curve of secondary curved surface is in minor arc, and the string being parallel to described central longitudinal axis of described minor arc
Point and described central minor axis coplanar formation separating surface, described central longitudinal axis passes perpendicularly through described separating surface, position
Quadratic surface number in described separating surface both sides is identical and distributing order is symmetrical about described separating surface.
6. according to the luminous intensity distribution unit according to any one of Claims 1 to 5, it is characterised in that described light goes out
The short axle contour curve identical with described central minor axis direction corresponding to face of penetrating is non-monotonic curve or dull bent
Line.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that described light entrance face with institute
Stating the identical major axis contour curve in central longitudinal axis direction is monotonous curve or non-monotonic curve, and described light is incident
The major axis contour curve in face is symmetrical about described central minor axis；Described light entrance face with described central minor axis
The identical short axle contour curve in direction is monotonous curve or non-monotonic curve, the short axle wheel of described light entrance face
Wide curve is symmetrical about described central longitudinal axis.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that the arrangement mode of described light source
Including rectangle, linear distribution, an equidistant array of word or a word nonuniform arrays.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that described light source substrate is provided with
For fixing the light source position groove of described light source, described light source position groove includes embedding described light source substrate table
Rectangular-shaped cell body below face, the top of described cell body is provided with elliptical cone shape slotted eye, described slotted eye
For accommodating described light source.
Luminous intensity distribution unit the most according to claim 1, it is characterised in that described lens body uses
PC, PMMA or glass are made.
11. 1 kinds of luminous intensity distribution assemblies, it is characterised in that including: pedestal and several removable luminous intensity distribution lists
Unit, described luminous intensity distribution unit is arranged on described pedestal according to predetermined arranging rule, and described luminous intensity distribution unit is such as
Arbitrary described luminous intensity distribution unit in claim 1-10.
12. luminous intensity distribution assemblies according to claim 11, it is characterised in that each described luminous intensity distribution unit
Central longitudinal axis be parallel to each other or conllinear, or the central minor axis of each described luminous intensity distribution unit is parallel to each other or
Conllinear.
13. luminous intensity distribution assemblies according to claim 11, it is characterised in that it is right that described pedestal is provided with
Two troughs claimed, said two trough is respectively used to normal cabling and emergent cabling.
14. luminous intensity distribution assemblies according to claim 11, it is characterised in that also include being located at described base
Some fixing counterbore on seat, described fixing counterbore is described for being fixed on by several luminous intensity distribution unit described
Pedestal.
15. luminous intensity distribution assemblies according to claim 11, it is characterised in that also include being located at described base
Some locating dowels on seat, described locating dowel is for limiting the installation direction of described luminous intensity distribution unit.
16. luminous intensity distribution assemblies according to claim 11, it is characterised in that also include being located at described base
Hole, some fool proofs location on seat, hole, described fool proof location is for limiting the installation direction of described luminous intensity distribution unit.
17. luminous intensity distribution assemblies according to claim 11, it is characterised in that also include being located at described base
Marine glue ring recess outside seat and described luminous intensity distribution unit, is provided with waterproof apron in described marine glue ring recess.
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| CN201610373455.7A CN105864720B (en) | 2016-05-30 | 2016-05-30 | Bar-shaped light distribution unit and light distribution assembly |
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| CN201610373455.7A CN105864720B (en) | 2016-05-30 | 2016-05-30 | Bar-shaped light distribution unit and light distribution assembly |
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| CN105864720A true CN105864720A (en) | 2016-08-17 |
| CN105864720B CN105864720B (en) | 2020-08-04 |
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| CN108679521A (en) * | 2018-07-09 | 2018-10-19 | 众普森科技（株洲）有限公司 | A kind of wall lamp |
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| Publication number | Publication date |
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| CN105864720B (en) | 2020-08-04 |
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