CN209341160U - A kind of sheen eyeglass, compound lens and lamps and lanterns with hollow out bracket - Google Patents
A kind of sheen eyeglass, compound lens and lamps and lanterns with hollow out bracket Download PDFInfo
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- CN209341160U CN209341160U CN201920071162.2U CN201920071162U CN209341160U CN 209341160 U CN209341160 U CN 209341160U CN 201920071162 U CN201920071162 U CN 201920071162U CN 209341160 U CN209341160 U CN 209341160U
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Abstract
The utility model relates to lighting technical fields, more particularly to a kind of sheen eyeglass, compound lens and lamps and lanterns with hollow out bracket, the sheen eyeglass, including light adjustment section and the bracket being connected with the light adjustment section, the bracket is used to support the light adjustment section, the light adjustment section has the incident side entered for light refraction and reflects the exiting side of light, the incident side and exiting side are oppositely arranged, sheen region is provided on the incident side and/or exiting side, the sheen region is diffused the light of irradiation on it.The sheen eyeglass of the application can be improved the uniformity of illumination spot and the edge of soft hot spot unit, cooperates with lens in use, can reduce lens light spill-out, improves the light efficiency of lens;The installation accuracy requirement of lens and light source is reduced, and then significantly reduces installation difficulty and installation cost.
Description
Technical field
The utility model relates to lighting technical fields, and in particular to a kind of sheen eyeglass with hollow out bracket, combination are saturating
Mirror and lamps and lanterns.
Background technique
In lighting technical field, in order to make lamps and lanterns output meet illumination need light field, it usually needs setting lens or
Person gives out light cup, is adjusted by the light that each optical surface on lens or reflector issues light source, what light source issued
Several light beams are projected after lens or reflector, according to design optical path with same or different angle, are then shone in design
The illumination spot for meeting design requirement is formed at bright position.
Although current lens arrangement, the light that can be issued to light source carries out the illumination light of shape needed for convergence is formed
Spot, still, still there is also there is deficiency, in lens arrangement in the work of practical light distribution, due to being usually that there are multiple optical surfaces,
Each light-emitting surface and exit facet are corresponding with hot spot unit, these hot spot units are combined, and whole illumination spot are formed, in each hot spot
The edge of unit coincides or there are gaps, causes the whole illumination spot uniformity not high;Moreover, in order to ensure tool
There is good optical quality, needs opposite between the stringent structural parameters and light source and lens for controlling its each optical surface
Position, in this way, for reflecting surface, it is difficult to design parameter of the smallest parameter of light spill-out as lens is selected, so,
Usually can also there be a large amount of light at reflecting surface to overflow, cause lens light efficiency lower, it may have biggish installation difficulty.
So the hot spot uniformity, and the lens arrangement with good light efficiency can either be ensured by needing to design one kind at present.
Summary of the invention
The purpose of this utility model is that: for current lens arrangement there are the hot spot uniformity is not high, lens light efficiency is lower,
And the problem that installation accuracy is more demanding, the hot spot uniformity, and the lens with good light efficiency can either be ensured by providing one kind
Structure.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of sheen eyeglass with hollow out bracket, including light adjustment section and the branch being connected with the light adjustment section
Frame, the bracket are used to support the light adjustment section, the light adjustment section have the incident side that enters for light refraction with
The exiting side of light is reflected, the incident side and exiting side are oppositely arranged, and are arranged on the incident side and/or exiting side
There is sheen region, the sheen region is diffused the light of irradiation on it.
The sheen eyeglass of the application, light adjustment section are used to carry out pH effect to light, and light is made to pass through light tune
After whole, the optical path of some or all of light changes, and realizes the adjustment to optical path, in the scheme of the application,
Light adjustment section is supported in the optical path for needing to be adjusted by bracket, the light refraction being radiated on incident side enters
In light adjustment section, illumination region is then refracted to by exiting side and forms illumination spot unit, due to the presence in sheen region, light
Line is reflected the uniformity for forming hot spot unit and soft hot spot by exiting side in this way, improving by spreading when sheen region
The edge of unit, makes the hot spot unit and when remaining hot spot unit group is combined into whole hot spot, can greatly improve hot spot unit it
Between stitching portion the uniformity, and then improve the uniformity of illumination spot, and due to the raising of the illumination spot uniformity, compared to
For the lens for not using sheen eyeglass, when realizing identical uniformity hot spot, the optional model of the parameter of the reflecting surface of lens arrangement
It encloses more greatly, and then design parameter of the less parameter of light spill-out as lens reflector can be selected, in this way, also substantially dropping
Low light spill-out, improves the light efficiency of lens, on the other hand, is also due to the setting of sheen eyeglass, can greatly improve
The uniformity of hot spot can't bring the uniformity of illumination spot when lens and the smaller change of generation of light source relative position
Larger impact, so, the installation accuracy requirement of lens and light source is also reduced, and then significantly reduce installation difficulty and be mounted to
This.
Preferably, the bracket includes mounting portion and several connecting rods, arranged spaced apart, the connecting rod of each connecting rod
One end is connect with the mounting portion, and the other end is connected with the light adjustment section, and the mounting portion with other components for being connected.
Mounting portion can be to be connected with other lenses structure, is also possible to connect with other components of lamps and lanterns, be carried out using connecting rod
Connection, each connecting rod is to be spaced apart, in this way, making bracket in Openworks shape, be can reduce and is blocked to other parts light, and then drops
Soft and low light microscopic piece setting adversely affects other light brings for not needing adjustment.
Preferably, the installation position is circular, and each connecting rod circumference uniform distribution is in the mounting portion and light tune
Between whole.It sets cyclic annular for mounting portion, is on the one hand that can be improved mounting stability, on the other hand can also pass through rotation
Mounting portion is finely adjusted the position of light adjustment section, facilitates control assembly precision.
Preferably, the sheen region is out-of-flatness optical surface.Light by out-of-flatness optical surface to irradiation on it
Optics control is carried out, and then realizes and forms the soft of hot spot cell edges to it.
Preferably, the sheen region is frosting or to combine the compound eye face formed by several micro-optics faces.
As a preference, being provided with diffusant in the corresponding light adjustment section in the sheen region.Pass through setting
Diffusant, when passing through light adjustment, light is spread light, further ensures that the uniformity of illumination spot unit.
Preferably, the light adjustment section is sheet lens arrangement.
Preferably, the light adjustment section is raised towards the spherical shape in side where the exiting side.In this way, further right
The diffusion of light.When the low-angle light during light adjustment section corresponding light source emits beam, due to low-angle light have compared with
High energy density, so, light adjustment section is further conducive to these energy towards the spherical shape protrusion in side where exiting side
The high light of metric density is diffused, it is ensured that the uniformity of illumination spot.
Disclosed herein as well is a kind of compound lens using above-mentioned sheen eyeglass:
A kind of compound lens, including above-mentioned sheen eyeglass and the lens matched with above-mentioned sheen eyeglass, the installation
Portion is arranged on the lens, has incident area and exit area on the lens, and the exit area includes the first outgoing
Region and the second exit area being surrounded on outside first exit area, incident side and the lens of the sheen eyeglass
First exit area is oppositely arranged.
The compound lens of the application can greatly improve the uniformity of illumination spot due to the setting of sheen eyeglass, and
It can ensure good light efficiency, and can reduce the lens arrangement of installation accuracy requirement.
It preferably, is removably to connect between the mounting portion and the lens.
Preferably, second exit area includes basal plane and several protrusion elements for being arranged on the basal plane, is being hung down
Directly in the plane of lens axis, the cross sectional shape of the basal plane is gradually expanded on the direction by small end to big end, the base
The small end in face is H1 on the direction along the lens axis, in the direction perpendicular to the lens axis at a distance from big end
It is above D1,3 >=D1/H1 >=1.1, the protrusion element is arranged around the lens axis.
The lens of the application, in use, light source is matched with incident area, the light that light source issues has incident area refraction
Into lens, part of light reflects lens by the first exit area, and some light is then to be refracted to by incident area instead
Region is penetrated, then reflexes to the second exit area through reflecting region, then lens, the first outgoing area are reflected by the second exit area
The light that domain reflects forms the first hot spot unit in design lighting position, and the light that the second exit area reflects shines in design
Bright position forms the second hot spot unit, and the first hot spot unit is matched with the second hot spot unit, obtains the illumination light of design shape
Spot;
In the scheme of the application, the fit system of the first hot spot unit and the second hot spot unit can be and overlap,
It can be and partially overlap, can also be the mode mutually spliced;
Further, when carrying out lens design, the illumination spot for meeting design requirement is formed, to exit area
When structural parameters are adjusted, the structural parameters of reflecting region can also change therewith, specific to saturating involved in the application
Mirror structure is: adjusting to the parameter of the second exit area, the structural parameters of reflecting region also need to be adjusted therewith, and anti-
The parameter variations for penetrating region are again directly closely related with light spill-out, so, in this application, by the ginseng of the second exit area
Number is set as 3 >=D1/H1 >=1.1, in the parameter, reflecting region is made to form corresponding argument structure, and the reflecting region institute
The light of reflecting region spilling can be greatly decreased in the structural parameters of formation, so, when the second exit area is controlled in above-mentioned ginseng
When in number, it can make lens that there is better light efficiency;
Further, in the lens of the application, protrusion element is also set up in the second exit area, due to protrusion element
Setting, the surface of protrusion element is as optical surface, and for smooth surface, control of second exit area to light greatly improved
Ability processed, and the promotion of the second exit area light control ability, also further increase the variable of reflecting region parameter,
That is, being not provided with for the lens of protrusion element compared to exit area, when forming equal illumination hot spot, it is emitted unit
The adjustable amount of lens provided with protrusion element, reflecting region is more wide in range, when carrying out reflecting region parameter selection, energy
Light parameter few as far as possible is overflowed in enough selections, further to reduce light spill-out with this, further increases lens light efficiency;And
And due to the setting of protrusion element, additionally it is possible to the further uniformity for improving illumination spot, when the position between lens and light source
When setting generation small change, illumination spot can still have good uniformity, so also reducing the peace of light source and lens
Fill required precision.
Preferably, in the plane coplanar with lens axis, it is located in the plane, and reflected through the protrusion element
Light, before forming illumination spot, at least exist some light intersect.
In the lens of traditional structure, after each light beam reflects lens by exit facet, to before illumination spot, do not send out
It is raw to intersect, it then is radiated at corresponding position according to design optical path, when light source position, which exists, to be changed, the incidence of each light beam
When angle change of reflection, the light beam that lens reflect deflects, and causes the local location in region to be illuminated dark areas occur, i.e.,
The non-uniform situation of hot spot, so, in current fitting structure, the installation site required precision of light source is higher;
So in this application, due to the setting of protrusion element, in the plane for crossing lens axis, positioned at the plane
At least there is some light and intersect in light after protrusion element, that is, so that in the light for forming hot spot, wherein
Some light is in crossing condition, in this way, when small change occurs for the relative position of light source and lens, although light refraction
Angle can also change, and still, for crosslight occurs in these, the variation of refraction angle is only to hot spot marginal belt
Centainly influence, that is, light spot shape is only influenced, and local dark areas can't be formed inside hot spot, so, still can
The hot spot formed compared with high evenness reduces installation cost in this way, significantly reducing the requirement of lens Yu light source installation accuracy.
Preferably, in the plane coplanar with lens axis, it is located in the plane, and reflected through single protrusion element
Light, before forming illumination spot, at least exist some light intersect.In the scheme of the application, so set
It sets, so that intersecting between the light reflected by single protrusion element, the adequacy of light intersection greatly improved, in this way,
On the one hand it is: when position changes between lens and light source, further ensures that the uniformity of hot spot;Another is also further
Reduce reflecting region design difficulty, make the parameter of reflecting region as far as possible not spill over light as purpose of design.
Preferably, several micro-optics faces is additionally provided in the protrusion element.In this application, micro-optics face is
The curved surface of protrusion can be can be to the optical unit that light is adjusted, these optical units, be also possible to small plane
Unit further increases the adequacy of light intersection by the way that micro-optics face is arranged in protrusion element.
Preferably, in the plane coplanar with lens axis, when single protrusion element is there are when multiple section units, it is located at
In the plane, and at least there is some before forming illumination spot in the light reflected through the single section units
Light intersects.
In this application, when protrusion is cyclic annular or helical form or some other irregular shape, lens are being crossed
On section, these shapes protrusion has multiple section units, such as when protrusion element is annular, then there are two opposite section
Unit intersects between the light that same section units project in this application, in this way, further increasing light intersection
Adequacy.
In this application, it is that light intersects before forming design illumination spot that above-mentioned light, which occurs to intersect,.
Preferably, the protrusion element is the ring-shaped circular around lens axis.In this application, protrusion element is arranged
Make in circumferential any plane for crossing lens axis for ring-shaped, all there are the intersections of light, it is ensured that illumination spot is circumferential
On it is uniform.
Preferably, the protrusion element is evenly arranged along the basal plane.It is arranged such, it is ensured that illumination spot radially equal
It is even.
Preferably, mutually splice between the adjacent protrusion element.Through the light for being radiated at the region all raised single
Member reflects lens, further increases the uniformity of illumination spot;For the lens arrangement of documents 1, comparing
In the step exit area of file 1, for the region of draft, step is necessarily required to that there are certain inclination angle, the light of light source
Beam is radiated on the incisal bevel, after reflecting lens, is distributed in illumination region, and veiling glare is formed, and the power of the part veiling glare takes
Certainly in the size of the inclined surface and the size at inclination angle, the uniformity of hot spot can be greatly reduced;In this application, protrusion element
Between mutually splice, avoid the problem of light beam between adjacent protrusion unit forms veiling glare, and then illumination light also greatly improved
The uniformity of spot.
Preferably, 2.5 >=D1/H1 >=1.5.As 2.5 >=D1/H1 >=1.5, reflecting region is made to form corresponding structure ginseng
Number is further sharply reduced in the structural parameters by the light that reflecting region is overflowed, so lens can be improved significantly
Light efficiency.
Preferably, D1/H1=1.9 ± 0.1.It, can in corresponding reflecting region when the second exit area is the parameter
More excellent parameter is formed, when reflecting region is the parameter, light spill-out is minimum, and then greatly improves the light of lens
Effect.
Preferably, the basal plane of second exit area is towards lens sunken inside, the tangent line of the basal plane and perpendicular to lens
The angle of the plane of optical axis is α, and on the direction by small end to big end, α is gradually increased.The basal plane of second exit area is towards lens
Sunken inside when α is gradually increased, is realized and is converged to the light that light source issues.
Preferably, the tangent line at the basal plane small end and the angle of the plane perpendicular to lens axis are α 1, the basal plane
Tangent line at big end and the angle of the plane perpendicular to lens axis are 1≤35 ° of 2,0 °≤α of α;5°≤α2≤ 60°.Work as basal plane
When using above-mentioned parameter, while can be realized to light convergence, additionally it is possible to further facilitate the control of reflecting region parameter,
Light the lacking as far as possible for making to be overflowed by reflecting region.
Preferably, 1=18 ° ± 1 ° of α, 2=35 ° ± 1 ° of α.When the second exit area is the parameter, in corresponding echo area
More excellent parameter is capable of forming in domain, when reflecting region is the parameter, light spill-out is minimum, and then is greatly improved
The light efficiency of mirror.
Preferably, the protrusion element is covered with second exit area.After further raising light projects lens
Intersect adequacy, moreover, also further expanding the shift range that relative position allows between lens and lamps and lanterns.
Preferably, the reflecting region has a big end and a small end, described anti-in the plane perpendicular to lens axis
The cross sectional shape for penetrating region is gradually expanded on the direction by small end to big end, the small end of the reflecting region and big end away from
From, it is H2 on the direction along the lens axis, is D2 on the direction perpendicular to the lens axis, 2 >=D2/H2 >=
0.5.When the second exit area uses above-mentioned structural parameters, the structural parameters of reflecting region are corresponding with, and in the parameter model
Enclose it is interior preferably, make parameter 2 >=D2/H2 >=0.5 of reflecting region, in the range so that by reflecting region spilling light
The light efficiency of lens can be further increased through few as far as possible.
It is further preferred that D2/H2=0.52 ± 0.05.When reflecting region uses the parameter, overflowed by reflecting region
Light is few, greatly improves the light efficiency of lens.
It is further preferred that the reflecting region towards far from lens direction protrude, the tangent line of the reflecting region and hang down
It is directly β in the angle of the plane of lens axis, on the direction by small end to big end, β is gradually increased.
It is further preferred that the tangent line at the reflecting region small end and the angle of the plane perpendicular to lens axis are β
1, the angle of the tangent line at the exit area big end and the plane perpendicular to lens axis is β 2,1≤55 ° of 20≤β, 20≤β
2≤75°.When reflecting region use above-mentioned parameter, and limit β 1 and β 2 be above-mentioned numerical value when, can further reduce
Overflow amount of light.
It is further preferred that 1=48 ° ± 1 ° of β, 2=71 ° ± 1 ° of β.When reflecting region uses the parameter, by reflecting region
The light of spilling is few, greatly improves the light efficiency of lens.
Preferably, the reflecting region is the optical surface being spliced by several optical units, or is continuous smooth song
Face, or be combination.By the way that several optical units is arranged, the control energy to reflecting region to light greatly improved
Power also further improves the uniformity of illumination spot while further decreasing light spilling.
Preferably, the incident area include first incident area opposite with first exit area and with it is described anti-
The second opposite incident area of region is penetrated, second incident area is surrounded on outside first incident area, and described second enters
Region is penetrated with a big end and a small end, in the plane perpendicular to lens axis, the cross sectional shape of second incident area
It is gradually expanded on the direction by small end to big end, the edge of the small end of second incident area and first incident area
Connect.When matching with light source, the light of light source is divided into low-angle light according to the size with optical axis included angle and is located at small
High angle scattered light outside angle light, low-angle light is corresponding with the first incident area, high angle scattered light and the second incidence zone
Domain is corresponding, in this way, controlling respectively low-angle light and high angle scattered light, further improves lens on light line
Control ability, further, in this application, high angle scattered light is after reflecting region is reflected, and whole or part is again
It is reflected by protrusion element and is gone out, and low-angle light portion is then reflected by the first exit area and is gone out, and the light of wide-angle is made
It is on the one hand the beam distribution conducive to wide-angle in illumination spot periphery to intersect light beam, convenient for control light spot shape, moreover,
When light source displacement, after the second exit area reflects, shooting angle can also change correspondingly wide-angle light beam, can also realize pair
The adjustment of illumination spot shape, so, using the application lens when, additionally it is possible to pass through wanting to position for mobile lens and light source
To adjust the shape of illumination spot.
Preferably, the second incident area small end is H3 on the direction along the lens axis at a distance from big end,
It is D3,0≤D3/H3≤0.2 on the direction perpendicular to the lens axis.When the second incident area uses the parameter, energy
Enough further light spill-outs for reducing reflecting region.
It is further preferred that D3/H3=0.05 ± 0.005.When the second incident area uses the parameter, by reflecting region
The light of spilling is few, greatly improves the light efficiency of lens.
Preferably, the plane of the tangent line and lens axis of the end of second incident area far from the first incident area
Angle is 1≤10 ° of 1,0 °≤γ of γ;Angle close to the plane of the tangent line and lens axis of the end of the first incident area is γ
2≤10 ° of 2,0 °≤γ.
It is further preferred that 1=3 ° ± 0.3 ° of γ, 2=3 ° ± 0.3 ° of γ.
The lens of the application, when the second exit area, reflecting region and the second incident area are respectively the knot of above-mentioned restriction
When structure parameter, for conventional lenses structure, while realizing good hot spot uniformity, additionally it is possible to significantly reduce and overflow
Amount light out, and then lens light efficiency is greatly improved, while also reducing the required precision of light source Yu lens relative position, easily
Installation cost is installed and is reduced, also, beam angle can also be controlled by adjusting the relative position of light source and lens,
And then control the shape of illumination spot.
Preferably, first exit area is the projecting surface far from the lens protrusion.The luminous energy of low-angle light is close
Spend it is larger, using projecting surface, make this some light disperse, conducive to from the crosslights that protrusion element reflects carry out with shape
At uniform light spots.
Preferably, first exit area is the optical surface being spliced by several optical units.
Preferably, the incident area is Fresnel optical surface.
Preferably, the incident area is corresponding with light source installation region, when any position of the light source in the installation region
When setting, the light reflected by the exit area is formed with the uniform illumination spot of photic-energy transfer in design lighting position.
In the application due to being formed in the light of illumination spot, some light is crossing condition, so, when lens and light source
Between relative position change, when changing value control at some region, after illumination spot shape changes, still can
Guarantee the good uniformity, so, using the lens of the application, while realizing the good hot spot uniformity, light source is being installed
It is moved in region, additionally it is possible to light spot shape is adjusted, so also improving the applicability of the application.
Preferably, the light source installation region is along the region that lens axis moves axially.That is, light source is along saturating
When some section of mirror optical axis is mobile, illumination spot shape is changed correspondingly, and in the change procedure, and illumination spot guarantees good
The uniformity.
Preferably, intersection is formed between the protrusion element and basal plane, width is between the intersection of single protrusion element
D4, raised unit are H4,4≤D4/H4≤40,4≤D1/D4 relative to the height of projection of basal plane.As the D4/H4 of protrusion element
When using above range with D1/D4, the second exit area has good even light effect and light control ability.
Further preferably, D4/H4=10 ± 0.1, D1/D4=36 ± 0.1.
Disclosed herein as well is a kind of lamps and lanterns, including above-mentioned sheen eyeglass or compound lens and with the sheen eyeglass
Or the light source that compound lens matches.
On the one hand the lamps and lanterns of the application are to significantly reduce the light overflowed by lens due to being using above-mentioned lens,
Light efficiency greatly improved, on the other hand, additionally it is possible to reduce the assembly precision between light source and lens, and then reduce assembly cost and
Assembly time.
Preferably, the lens have a light source installation region, when any position of the light source in the installation region,
The light reflected by the exit area is formed with the uniform illumination spot of photic-energy transfer in design lighting position.So set
It sets, allows the lamps and lanterns of the application by adjusting the relative position between lens and light source, obtain different shape beam angle
Illumination spot, in this way, improving lamps and lanterns applicability.
In conclusion by adopting the above-described technical solution, the beneficial effect of the application is:
The sheen eyeglass of the application can be improved the uniformity of illumination spot and the edge of soft hot spot unit, with
Lens cooperation improves the light efficiency of lens in use, can reduce lens light spill-out;Reduce the installation essence of lens and light source
Degree requires, and then significantly reduces installation difficulty and installation cost;
The compound lens of the application can be improved uniform illumination spot, and can ensure good light efficiency, and can
Reduce the lens arrangement that installation accuracy requires;
The lamps and lanterns of the application can also be by adjusting opposite between lens and light source while ensuring good light efficiency
Position obtains the illumination spot of different shape beam angle, in this way, improving lamps and lanterns applicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sheen eyeglass and lens arrangement cooperation,
Schematic cross-sectional view when Fig. 2 is sheen eyeglass and lens arrangement cooperation,
Fig. 3 is the structural schematic diagram of sheen eyeglass when sheen region is arranged in exiting side,
Fig. 4 is the structural schematic diagram of sheen eyeglass when sheen region is arranged in incident side;
Fig. 5 is the structural schematic diagram of the application lens arrangement;
Illumination curve distribution map when Fig. 6 is using the application lens arrangement, when light source has displacement, at illumination spot;
Fig. 7 is the application lens arrangement, the light path schematic diagram of the second exit area local location;
Fig. 8 is the partial enlarged view in Fig. 7 at E;
Fig. 9 is the rough schematic view that optical path is intersected on single section units in Fig. 8;
Figure 10 is the partial structural diagram of lens when micro-optics face being arranged in protrusion element;
Figure 11 is the mark schematic diagram of α, β and γ parameter in the application lens arrangement;
Figure 12 is the mark schematic diagram of H and D parameter in the application lens arrangement;
When Figure 13 is that light source is located at the position A1, A2 and A3, the simplification light path schematic diagram of lens;
Figure 14 is that the light when reflecting region spilling light of lens is more overflows schematic diagram;
Figure 15 is that the light when reflecting region spilling light of lens is less overflows schematic diagram;
Figure 16 is the mark schematic diagram of protrusion element parameter,
Marked in the figure: 1-lens, the first exit area 2-, the second exit area 3-, the reflecting region 4-, the first incidence zone 5-
Domain, the second incident area of 6-, 7- protrusion element, 8- section units, 9- micro-optics face, 10- sheen eyeglass, 11- sheen region,
The incident side 12-, 13- exiting side, 14- light adjustment section, 15- connecting rod, 16- mounting portion, A- optical axis, B- basal plane, C- light source.
Specific embodiment
Lower region is described in detail the utility model in conjunction with attached drawing.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Specific embodiment:
A kind of sheen eyeglass with hollow out bracket, as shown in 1-4, including light adjustment section 14 and with the light tune
Whole 14 connected brackets, the bracket are used to support the light adjustment section 14, and the light adjustment section 14 has for light
The incident side 12 being refracted into and the exiting side 13 for reflecting light, the incident side 12 and exiting side 13 are oppositely arranged,
Sheen region 11, the light of 11 pairs of sheen region irradiation on it are provided on the incident side 12 and/or exiting side 13
It is diffused.
The sheen eyeglass 10 of the application, light adjustment section 14 are used to carry out pH effect to light, make light by light
After line adjustment section 14, the optical path of some or all of light changes, and the adjustment to optical path is realized, in the side of the application
In case, light adjustment section 14 is supported in the optical path for needing to be adjusted by bracket, the light being radiated on incident side 12
It is refracted into light adjustment section 14, illumination region is then refracted to by exiting side 13 and forms illumination spot unit, due to soft
The presence in light region 11, light form hot spot unit by the refraction of exiting side 13 in this way, improving by spreading when sheen region 11
Uniformity and soft hot spot unit edge, make the hot spot unit and when remaining hot spot unit group is combined into whole hot spot, energy
The uniformity of stitching portion between hot spot unit is enough greatly improved, and then improves the uniformity of illumination spot, and due to illumination light
The raising of the spot uniformity, for the lens 1 for not using sheen eyeglass 10, when realizing identical uniformity hot spot, lens 1
The optional range of the parameter of the reflecting surface of structure is bigger, and then the less parameter of light spill-out can be selected to reflect as lens 1
The design parameter in face improves the light efficiency of lens 1 in this way, also significantly reducing light spill-out, on the other hand, is also due to
The setting of sheen eyeglass 10 can greatly improve the uniformity of hot spot, when smaller change occurs for lens 1 and light source relative position
When, larger impact can't be brought to the uniformity of illumination spot, so, it also reduces lens 1 and the installation accuracy of light source is wanted
It asks, and then significantly reduces installation difficulty and installation cost.
As preferred embodiment, the bracket includes mounting portion 16 and several connecting rods 15, between each connecting rod 15
Arranged apart, described 15 one end of connecting rod is connect with the mounting portion 16, and the other end is connected with the light adjustment section 14, described
Mounting portion 16 with other components for being connected.Mounting portion 16 can be to be connected with 1 structure of other lenses, is also possible to and lamps and lanterns
The connection of other components, is attached using connecting rod 15, and connecting rod 15 is to be spaced apart, and is made bracket in Openworks shape, be can reduce
Other parts light is blocked, and then reduces the unfavorable shadow of light bring that the setting of sheen eyeglass 10 does not need adjustment to other
It rings.
As preferred embodiment, 16 circle of position of mounting portion is cyclic annular, and each 15 circumference uniform distribution of connecting rod is in institute
It states between mounting portion 16 and light adjustment section 14.It sets cyclic annular for mounting portion 16, is on the one hand that can be improved mounting stability,
On the other hand it can also be finely adjusted by position of the rotational installation portion 16 to light adjustment section 14, facilitate control assembly precision.
As preferred embodiment, the sheen region 11 is out-of-flatness optical surface.It is compareed by out-of-flatness optical surface
The light penetrated on it carries out optics control, and then realizes and form the soft of hot spot cell edges to it.
As preferred embodiment, the sheen region 11 is frosting or is to combine shape by several micro-optics faces
At compound eye face.
As a preference, being provided with diffusant in the corresponding light adjustment section 14 in the sheen region 11.Pass through
Diffusant is set, and when passing through light adjustment, light is spread light, further ensures that the uniformity of illumination spot unit.
As preferred embodiment, the light adjustment section 14 is 1 structure of sheet lens.
As preferred embodiment, the spherical shape in side where the light adjustment section 14 towards the exiting side 13 is convex
It rises.In this way, further to the diffusion of light.When the low-angle light during 14 corresponding light source of light adjustment section emits beam, by
In low-angle light energy density with higher, so, the spherical shape in side where light adjustment section 14 towards exiting side 13
Protrusion is further conducive to the light high to these energy densities and is diffused, it is ensured that the uniformity of illumination spot.
A kind of compound lens 1, as illustrated in figs. 1-16, including above-mentioned sheen eyeglass 10 and with above-mentioned 10 phase of sheen eyeglass
The lens 1 of cooperation, the mounting portion 16 are arranged on the lens 1, have incident area and exit area on the lens 1,
It exit area 2 and the second exit area 3 for being surrounded on outside first exit area 2 that the exit area, which includes first, described
The incident side 12 of sheen eyeglass 10 and the first exit area 2 of the lens 1 are oppositely arranged.
The compound lens 1 of present embodiment can greatly improve the uniform of illumination spot due to the setting of sheen eyeglass 10
Degree, and can ensure good light efficiency, and can reduce 1 structure of lens of installation accuracy requirement.
It is removably to connect between the mounting portion 16 and the lens 1 as preferred embodiment.
As preferred embodiment, if second exit area 3 includes basal plane B and is arranged on the basal plane B
Dry protrusion element 7, the basal plane B have a big end and a small end, on the plane perpendicular to 1 optical axis A of lens, the basal plane B
Cross sectional shape be gradually expanded on the direction by small end to big end, the small end of the basal plane B is at a distance from big end, along described
It is H1 on the direction of 1 optical axis A of lens, is D1 on the direction perpendicular to the 1 optical axis A of lens, 3 >=D1/H1 >=1.1 is described
Protrusion element 7 is arranged around the 1 optical axis A of lens.
The lens 1 of present embodiment, in use, light source C is matched with incident area, the light that light source C is issued is by incidence
Region is refracted into lens 1, and part of light reflects lens 1 by the first exit area 2, and some light is then by incidence zone
Domain refracts to reflecting region 4, then reflexes to the second exit area 3 through reflecting region 4, then reflected by the second exit area 3
Lens 1, the light that the first exit area 2 reflects form the first hot spot unit, 3 folding of the second exit area in design lighting position
The light of injection forms the second hot spot unit in design lighting position, and the first hot spot unit is matched with the second hot spot unit, obtained
To the illumination spot of design shape;
In the scheme of present embodiment, the fit system of the first hot spot unit and the second hot spot unit can be and mutually be overlapped
It is folded, it is also possible to partially overlap, can also be the mode mutually spliced;
Further, when carrying out the design of lens 1, the illumination spot for meeting design requirement is formed, to exit area
Structural parameters when being adjusted, the structural parameters of reflecting region 4 can also change therewith, specific to involved by present embodiment
And 1 structure of lens, be: the parameter of the second exit area 3 adjusted, the structural parameters of reflecting region 4 also need to carry out therewith
Adjustment, and the parameter variations of reflecting region 4 are directly closely related with light spill-out, as shown in Figure 14 and Figure 15, so,
In present embodiment, 3 >=D1/H1 >=1.1 are set by the parameter of the second exit area 3, as shown in figure 15, in the parameter
It is interior, so that reflecting region 4 is formed corresponding argument structure, and the reflecting region 4 is formed by structure that echo area can be greatly decreased
The light that domain 4 is overflowed, so, when the control of the second exit area 3 is in above-mentioned parameter, it can make lens 1 that there is better light
Effect;Moreover, because the setting of protrusion element 7, additionally it is possible to the further uniformity for improving illumination spot, when lens 1 and light source C
Between position occur small change when, illumination spot can still have good uniformity, thus also reduce light source C with
The installation accuracy requirement of lens 1.
As preferred embodiment, on the basis of the said structure, further, in the plane coplanar with 1 optical axis A of lens
On, it is located in the plane, and the light reflected through the protrusion element 7, before forming illumination spot, at least there are one
Some light intersects, as shown in Fig. 7,8 and 9.
In the lens 1 of traditional structure, after each light beam reflects lens 1 by exit facet, to before illumination spot, not
Intersect, is then radiated at corresponding position according to design optical path, when light source location of C, which exists, to be changed, each light beam
When incident angle change of reflection, the light beam that lens 1 reflect deflects, and the local location in region to be illuminated is caused dark space occur
The non-uniform situation in domain, i.e. hot spot, so, in current fitting structure, the installation site required precision of light source C is higher;
So in this application, due to the setting of protrusion element 7, in the plane for crossing 1 optical axis A of lens, being located at the plane
Light after protrusion element 7, at least exist some light intersect, as shown in FIG. 7 and 8, that is, so that being formed
In the light of hot spot, part of light is in crossing condition, in this way, when the generation of the relative position of light source C and lens 1 is smaller
When variation, although light refraction angle can also change, for crosslight occurs in these, refraction angle
Variation only hot spot marginal belt centainly is influenced, that is, only influence light spot shape, and can't be formed inside hot spot local
Dark areas, so, it is still capable of forming the hot spot compared with high evenness, it is as shown in FIG. 6, in this way, significantly reducing lens 1 and light
The requirement of source C installation accuracy, reduces installation cost.
It is on the basis of the said structure, further, as shown in FIG. 8 and 9 as preferred embodiment, with lens 1
In optical axis A coplanar plane, it is located in the plane, and the light reflected through single protrusion element 7, is forming illumination spot
Before, at least there is some light and intersects.In the scheme of the application, so set, making by single protrusion element 7
It intersects between the light reflected, the adequacy of light intersection greatly improved, in this way, being on the one hand: when lens 1 and light source
When position changes between C, the uniformity of hot spot is further ensured that;Another also further reduces reflecting region 4 and sets
Count difficulty, make the parameter of reflecting region 4 as far as possible not spill over light as purpose of design.
As preferred embodiment, on the basis of the said structure, further, as shown in Figure 10, the protrusion is single
Several micro-optics faces 9 is additionally provided in member 7.In this application, micro-optics face 9 be can be to the light that light is adjusted
Unit is learned, these optical units can be the curved surface of protrusion, be also possible to small flat unit, by protrusion element 7
Micro-optics face 9 is set, the adequacy of light intersection is further increased.
It is on the basis of the said structure, further, as shown in FIG. 8 and 9 as preferred embodiment, with lens 1
In optical axis A coplanar plane, when single protrusion element 7 is there are when multiple section units 8, in the plane, and warp is single
At least there is some light and intersect in the light that the section units 8 reflect before forming illumination spot.At this
In embodiment, when protrusion is cyclic annular or helical form or some other irregular shape, on the section for crossing lens 1,
These shapes protrusion has multiple section units 8, such as when protrusion element 7 is annular, then there are two opposite section units
8, in the present embodiment, intersect between the light that same section units 8 project, in this way, further increasing light intersection
Adequacy.
In the present embodiment, it is that light is handed over before forming design illumination spot that above-mentioned light, which occurs to intersect,
Fork.
Further, the protrusion element 7 is the ring-shaped circular around 1 optical axis A of lens.It in the present embodiment, will be convex
It plays unit 7 and is set as ring-shaped and make in circumferential any plane for crossing 1 optical axis A of lens, all there are the intersections of light, it is ensured that
It is uniform on illumination spot circumferential direction.
Further, the protrusion element 7 is evenly arranged along the basal plane B.It is arranged such, it is ensured that illumination spot is radially
It is uniform.
Further, mutually splice between the adjacent protrusion element 7.The light for being radiated at the region is set all to pass through protrusion
Unit 7 reflects lens 1, further increases the uniformity of illumination spot.
It is further preferred that 2.5 >=D1/H1 >=1.5.As 2.5 >=D1/H1 >=1.5, forms reflecting region 4 and correspond to
Structural parameters, the light overflowed in the structural parameters by reflecting region 4 is further sharply reduced, so can be significantly
Improve the light efficiency of lens 1.
It is further preferred that D1/H1=1.9.When the second exit area 3 is the parameter, in corresponding reflecting region 4
It is capable of forming more excellent parameter, when reflecting region 4 is the parameter, light spill-out is minimum, and then greatly improves lens 1
Light efficiency.
As preferred embodiment, on the basis of the said structure, further, the basal plane B of second exit area 3
Towards 1 sunken inside of lens, the tangent line of the basal plane B and the angle of the plane perpendicular to 1 optical axis A of lens are α, by small end to big end
Direction on, α is gradually increased.The basal plane B of second exit area 3 is towards 1 sunken inside of lens, when α is gradually increased, realizes to light source C
The light of sending converges.
It is further preferred that the tangent line at the basal plane B small end and the angle of the plane perpendicular to 1 optical axis A of lens are α 1,
Tangent line at the basal plane B big end and the angle of the plane perpendicular to 1 optical axis A of lens are 1≤35 ° of 2,0 °≤α of α;5°≤α2≤
60°.When basal plane B uses above-mentioned parameter, while can be realized to light convergence, additionally it is possible to further facilitate reflecting region
The control of 4 parameters makes the light overflowed by reflecting region 4 lacking as far as possible.
It is further preferred that the protrusion element 7 is covered with second exit area 3.The further light that improves projects
Intersection adequacy after lens 1, moreover, also further expanding the displacement model that relative position allows between lens 1 and lamps and lanterns
It encloses.
As preferred embodiment, on the basis of the said structure, further, the reflecting region 4 has a big end
With a small end, on the plane perpendicular to 1 optical axis A of lens, the cross sectional shape of the reflecting region 4 is in the side by small end to big end
It being gradually expanded upwards, the small end of the reflecting region 4 is H2 on the direction along the 1 optical axis A of lens at a distance from big end,
It is D2,2 >=D2/H2 >=0.5 on the direction perpendicular to the 1 optical axis A of lens.When the second exit area 3 uses above-mentioned knot
When structure parameter, the structural parameters of reflecting region 4 are corresponding with, and in the parameter area preferably, make the parameter 2 of reflecting region 4
>=D2/H2 >=0.5 enables the light that is overflowed by reflecting region 4 to further increase lens 1 through few as far as possible in the range
Light efficiency.
It is further preferred that D2/H2=0.52.When reflecting region 4 is using the parameter, the light that is overflowed by reflecting region 4
Seldom, the light efficiency of lens 1 is greatly improved.
It is further preferred that the reflecting region 4 towards far from lens 1 direction protrude, the tangent line of the reflecting region 4 with
Angle perpendicular to the plane of 1 optical axis A of lens is β, and on the direction by small end to big end, β is gradually increased.
As preferred embodiment, on the basis of the said structure, further, cutting at 4 small end of reflecting region
Line is β 1 with the angle of plane perpendicular to 1 optical axis A of lens, the tangent line at the exit area big end with perpendicular to 1 light of lens
The angle of the plane of axis A is β 2,1≤55 ° of 20≤β, 2≤75 ° of 20≤β.When the above-mentioned parameter of the use of reflecting region 4, and limit
Determine β 1 and β 2 be above-mentioned numerical value when, can further reduce spilling amount of light.
It is further preferred that 1=48 ° of β, 2=71 ° of β.When reflecting region 4 is using the parameter, overflowed by reflecting region 4
Light is few, greatly improves the light efficiency of lens 1.
As preferred embodiment, on the basis of the said structure, further, the reflecting region 4 is by several light
Learn unit spliced at optical surface, be perhaps continuous smooth surface or be combination.By the way that several optics is arranged
The control ability to reflecting region 4 to light greatly improved in unit, while further decreasing light spilling, also into one
The uniformity for improving illumination spot of step.
As preferred embodiment, on the basis of the said structure, further, the incident area includes and described
The first opposite incident area 5 of one exit area 2 and second incident area 6 opposite with the reflecting region 4, described second enters
Region 6 is penetrated to be surrounded on outside first incident area 5, second incident area 6 have a big end and a small end, perpendicular to
In the plane of 1 optical axis A of lens, the cross sectional shape of the basal plane B is gradually expanded on the direction by small end to big end, and described second
The side edge of the small end of incident area 6 and first incident area 5.When matching with light source C, the light of light source C is pressed
Low-angle light and the high angle scattered light outside low-angle light, low-angle light are divided into according to the size with optical axis A angle
Corresponding with the first incident area 5, high angle scattered light is corresponding with the second incident area 6, in this way, respectively to low-angle light and
High angle scattered light is controlled, and further improves lens 1 to the control ability of light, further, in present embodiment
In, high angle scattered light is after reflecting region 4 is reflected, and all or part is reflected by protrusion element 7 again, and small angle
Degree light portion is then reflected by the first exit area 2 and is gone out, and the light of wide-angle is as light beam is intersected, and is on the one hand conducive to big
The beam distribution of angle is in illumination spot periphery, convenient for control light spot shape, moreover, when light source C displacement, wide-angle light beam warp
After the refraction of second exit area 3, shooting angle can also be changed correspondingly, and can also realize the adjustment to illumination light shape of spot, so,
Using present embodiment lens 1 when, additionally it is possible to by mobile lens 1 and light source C want illumination spot is adjusted to position
Shape.
It is further preferred that D3/H3=0.05.When the second incident area 6 is using the parameter, overflowed by reflecting region 4
Light is few, greatly improves the light efficiency of lens 1.
It is further preferred that the tangent line of end of second incident area 6 far from the first incident area 5 and 1 light of lens
The angle of the plane of axis A is 1≤10 ° of 1,0 °≤γ of γ;Tangent line close to the end of the first incident area 5 is with 1 optical axis A's of lens
The angle of plane is 2≤10 ° of 2,0 °≤γ of γ.
It is further preferred that 1=3 ° of γ, 2=3 ° of γ.
The lens 1 of present embodiment, when the second exit area 3, reflecting region 4 and the second incident area 6 are respectively above-mentioned
When the structural parameters of restriction, for 1 structure of conventional lenses, while realizing good hot spot uniformity, additionally it is possible to big
Amount light is overflowed in the reduction of width, and then greatly improves 1 light efficiency of lens, while also reducing the essence of light source C Yu 1 relative position of lens
Degree requires, and easily installs and reduce installation cost, also, can also be by adjusting the relative position pair of light source C and lens 1
Beam angle is controlled, and then controls the shape of illumination spot.
As preferred embodiment, on the basis of the said structure, further, first exit area 2 is separate
The projecting surface of 1 protrusion of lens.The luminous energy density of low-angle light is larger, using projecting surface, disperses this some light, benefit
It carries out cooperatively forming uniform light spots in the crosslights reflected by protrusion element 7.
It is further preferred that first exit area 2 is the optical surface being spliced by several optical units.
It is further preferred that the incident area is Fresnel optical surface.
It is further preferred that the incident area is corresponding with the installation region light source C, when light source C is in the installation region
Any position when, the light that is reflected by the exit area is formed with photic-energy transfer in design lighting position and uniformly shines
Mingguang City's spot.
In present embodiment due to being formed in the light of illumination spot, some light is crossing condition, so, when lens 1
Relative position changes between light source C, when changing value control is at some region, after illumination spot shape changes,
It can still guarantee the good uniformity, so, using the lens 1 of present embodiment, realizing the same of the good hot spot uniformity
When, light source C is moved in installation region, additionally it is possible to light spot shape is adjusted, so also improving the applicability of present embodiment.
As preferred embodiment, on the basis of the said structure, further, the installation region the light source C is along saturating
The region of 1 optical axis A of mirror axial movement.That is, light source C is along 1 optical axis A some section of lens when moving, illumination spot shape
Shape changes correspondingly, and in the change procedure, and illumination spot guarantees the good uniformity;As shown in figure 15, it is light source C
Light path schematic diagram when 1 optical axis A of lens upper three different locations;Since in the area, light source C is for phase between lens 1
It changes to position, the illumination spot of lens 1 still has the good uniformity, only brings and changes to light spot shape
Become, so be, the lens 1 of the application also have focusing action, that is, by adjust between light source C and lens 1 want to position come
The size of hot spot is controlled, i.e. control beam angle.
As preferred embodiment, on the basis of the said structure, further, as shown in figure 16, the protrusion is single
It is formed with intersection between 7 and basal plane B of member, width is D4 between the intersection of single protrusion element 7, and raised unit is relative to basal plane
The height of projection of B is H4,4≤D4/H4≤40,4≤D1/D4.When the D4/H4 and D1/D4 of protrusion element 7 use above range
When, the second exit area 3 has good even light effect and light control ability.
Further preferably, D4/H4=10, D1/D4=36.
Present embodiment also discloses a kind of lamps and lanterns,
Including above-mentioned lens 1 and the light source C matched with the lens 1.
On the one hand the lamps and lanterns of present embodiment are to significantly reduce to be overflowed by lens 1 due to being using above-mentioned lens 1
Light, light efficiency greatly improved, on the other hand, additionally it is possible to reduce the assembly precision between light source C and lens 1, and then reduce
Assembly cost and assembly time.
As preferred embodiment, on the basis of the said structure, further, the lens 1 are installed with a light source C
Region, when any position of the light source C in the installation region, the light reflected by the exit area is illuminated in design
The uniform illumination spot of photic-energy transfer is formed at position.So set, allow the lamps and lanterns of present embodiment by adjusting
Relative position between lens 1 and light source C obtains the illumination spot of different shape beam angle, such as above-mentioned, also makes the application
Lamps and lanterns there is focusing ability, that is, it is as shown in figure 15, by adjust between light source C and lens 1 want light is controlled to position
The size of spot, i.e. control beam angle, and then greatly improve the applicability of lamps and lanterns.
Present embodiment also discloses a kind of lens design method:
(1), according to the design requirement of target illumination hot spot, 1 light-emitting window diameter of lens and light beam angle value are determined;
(2), the D1 and H1 of the second exit area 3 are controlled in the range of 3 >=D1/H1 >=1.1;
(3), under the premise of 1 exit area of lens projects light and meets step (1) beam angle requirement, echo area is adjusted
The structural parameters in domain 4, and the light spill-out in 4 parameter tuning process of simulated reflections region;
(4) according to the analog result of 4 light spill-out of reflecting region in step (3), choosing light spill-out is minimum
Structural parameters of the corresponding structural parameters as reflecting region 4 when value.
The illumination spot for meeting design requirement will be formed when carrying out the design of lens 1 using the design method of the application,
When the structural parameters to exit area are adjusted, the structural parameters of reflecting region 4 can also change therewith, specific to this
1 structure of lens involved in applying is: adjusting to the parameter of the second exit area 3, the structural parameters of reflecting region 4 also need
It is adjusted therewith, and the parameter variations of reflecting region 4 are directly closely related with light spill-out, so, in this application,
3 >=D1/H1 >=1.1 are set by the parameter of the second exit area 3, in the parameter, reflecting region 4 are made to form corresponding parameter
Structure, and the reflecting region 4 is formed by the light that the spilling of reflecting region 4 can be greatly decreased in structural parameters, so, when second
When the control of exit area 3 is in above-mentioned parameter, it can make lens 1 that there is better light efficiency.
It is further preferred that in the step (2), by the α 1 of the second exit area 3 and α 2 control in parameters described below model
In enclosing: 1≤35 ° of 0 °≤α;5°≤α2≤ 60°.It, can be further when the second exit area 3 is limited to the parameter value
Reduce the light spill-out of reflecting region 4, the further light efficiency for improving lens 1.
Experimental example:
(1) when the parameter value of the second exit area 3 are as follows: 3 >=D1/H1 >=1.1 are directed to 1 exit area of lens folding
For irradiant beam angle is used as 1 design object of lens for 36 °, value: at 1≤35 ° of 0 °≤α, 2≤60 ° of 5 °≤α,
The corresponding parameter in the anti-region of lens 1 are as follows: 1≤55 ° of 2 >=D2/H2 >=0.5,20 °≤β, 2≤75 ° of 20 °≤β;
The corresponding parameter of 1 second incident area of lens 6 are as follows: 1≤10 ° of 0≤D3/H3≤0.2,0 °≤γ, 0 °≤γ 2≤
10°。
It is directed to 1 structure of lens of above-mentioned parameter, light source C is set at incident area, and the luminous diameter of light source C is Z, lens
1 optical exit bore is X, Z/X=1/7.8, and incident area is made to enter the luminous fluxes 100 of lens 1, using above-mentioned ginseng
The lens 1 of table structure deduct interface reflection with after material absorption, and the theoretical luminous flux of exit area is φ=70~95.
(2) when the parameter value of the second exit area 3 are as follows: D1/H1=1.03 are directed to the refraction of 1 exit area of lens
For the beam angle of light is used as 1 design object of lens for 36 ° out, value: at 1≤35 ° of 0 °≤α, 2≤60 ° of 5 °≤α,
The corresponding parameter in the anti-region of lens 1 are as follows: 1≤60 ° of D2/H2=0.49,55 °≤β, 2≤80 ° of 75 °≤β;
The corresponding parameter of 1 second incident area of lens 6 are as follows: 1≤10 ° of D3/H3=0.05,0 °≤γ, 2≤10 ° of 0 °≤γ.
It is directed to 1 structure of lens of above-mentioned parameter, light source C is set at incident area, and the luminous diameter of light source C is Z, lens
1 optical exit bore is X, Z/X=1/7.8, and incident area is made to enter the luminous fluxes 100 of lens 1, using above-mentioned ginseng
The lens 1 of table structure, after deducting interface reflection and material absorption, theoretical luminous flux φ: less than 70 of exit area, such as Figure 14 institute
Show.
(3) when the parameter value of the second exit area 3 are as follows: D1/H1=1.9 are directed to and are reflected with 1 exit area of lens
For the beam angle of light is used as 1 design object of lens for 36 °, value: at 1=18 ° of α, 2=35 ° of α,
The corresponding parameter in the anti-region of lens 1 are as follows: 1=48 ° of D2/H2=0.52, β, 2=71 ° of β;
The corresponding parameter of 1 second incident area of lens 6 are as follows: 1=3 ° of D3/H3=0.05, γ, 2=3 ° of γ.
It is directed to 1 structure of lens of above-mentioned parameter, light source C is set at incident area, and the luminous diameter of light source C is Z, lens
1 optical exit bore is X, Z/X=1/7.8, and incident area is made to enter the luminous fluxes 100 of lens 1, using above-mentioned ginseng
The lens 1 of table structure, after deducting interface reflection and material absorption, theoretical luminous flux φ: 95 of exit area, as shown in figure 15.
(4) when the parameter value of the second exit area 3 are as follows: D1/H1=3.5 are directed to and are reflected with 1 exit area of lens
For the beam angle of light is used as 1 design object of lens for 36 °, value: at 1≤35 ° of 0 °≤α, 2≤60 ° of 5 °≤α,
The corresponding parameter in the anti-region of lens 1 are as follows: 1≤20 ° of D2/H2=2.5,10 °≤β, 2≤20 ° of 10 °≤β;
The corresponding parameter of 1 second incident area of lens 6 are as follows: 1≤10 ° of D3/H3=0.05,0 °≤γ, 2≤10 ° of 0 °≤γ.
It is directed to 1 structure of lens of above-mentioned parameter, light source C is set at incident area, and the luminous diameter of light source C is Z, lens
1 optical exit bore is X, Z/X=1/7.8, and incident area is made to enter the luminous fluxes 100 of lens 1, using above-mentioned ginseng
The lens 1 of table structure, after deducting interface reflection and material absorption, theoretical luminous flux φ: less than 70 of exit area.
(5) when the parameter value of the second exit area 3 are as follows: 3 >=D1/H1 >=1.1 are directed to 1 exit area of lens folding
For irradiant beam angle is used as 1 design object of lens for 36 °, value: when 35 °≤α, 1,60 °≤α 2,
The corresponding parameter in the anti-region of lens 1 are as follows: 0.4 ° >=D2/H2 >=0.3 °, 1≤65 ° of 55 °≤β, 2≤75 ° of 20 °≤β;
The corresponding parameter of 1 second incident area of lens 6 are as follows: 1≤10 ° of 0≤D3/H3≤0.05,0 °≤γ, 0 °≤γ 2≤
10°。
It is directed to 1 structure of lens of above-mentioned parameter, light source C is set at incident area, and the luminous diameter of light source C is Z, lens
1 optical exit bore is X, Z/X=1/7.8, and incident area is made to enter the luminous fluxes 100 of lens 1, using above-mentioned ginseng
The lens 1 of table structure, after deducting interface reflection and material absorption, theoretical luminous flux φ: less than 65 of exit area.
Through above-mentioned comparison it is found that in the design of 1 structure of lens, by controlling the second exit area 3 in 3 >=D1/H1
In >=1.1 ranges, be formed by reflecting region 4 structural parameters can reduction light spill-out as far as possible, and then have lens 1
There is higher light efficiency, and further by the α 1 of the second exit area 3 and α 2 control at 1≤35 ° of 0 °≤α, 5 °≤α 2≤
In the range of 60 °, the structural parameters of reflecting region 4 can be further limited, it is further to reduce light spill-out.
Hereinafter, reflecting the beam angle of light using 1 exit area of lens as 36 ° as 1 design object of lens, in incidence zone
Light source C is set at domain, and the light source C diameter that shines is Z, and the optical exit bores of lens 1 is X, Z/X=1/7.8, and makes incidence zone
The luminous flux that domain enters lens 1 is 100, deducts interface reflection with after material absorption, the theoretical luminous flux φ of exit area chooses
Corresponding φ when different D1/H1 values, following table:
D1/H1 | α1 | α2 | D2/H2 | β1 | Β2 | D3/H3 | γ1 | γ2 | φ |
1.03 | 47 | 62 | 0.45 | 50 | 75 | 0.05 | 3 | 3 | 65 |
1.1 | 35 | 60 | 0.47 | 52 | 73 | 0.05 | 3 | 3 | 78 |
1.5 | 25 | 55 | 0.48 | 51 | 73 | 0.05 | 3 | 3 | 88 |
1.8 | 22 | 45 | 0.5 | 50 | 72 | 0.05 | 3 | 3 | 93 |
1.9 | 18 | 35 | 0.52 | 48 | 71 | 0.05 | 3 | 3 | 96 |
2.1 | 19 | 34 | 0.55 | 48 | 70 | 0.05 | 3 | 3 | 95 |
2.5 | 17 | 34 | 0.6 | 45 | 69 | 0.05 | 3 | 3 | 94 |
3.0 | 0 | 5 | 2 | 43 | 68 | 0.05 | 3 | 3 | 70 |
3.5 | 0 | 3 | 2.5 | 40 | 60 | 0.05 | 3 | 3 | 63 |
Through above table it is found that as 3 >=D1/H1 >=1.1, φ value is more excellent, lens 1 can be made to have good
Light efficiency, as 2.5 >=D1/H1 >=1.5, φ value can reach higher level, and as D1/H1=1.9, φ value reaches 96, this
When, lens 1 have extremely excellent light efficiency.
Below are as follows: the specific embodiment that light source C is moved in installation region:
As shown in fig. 13 that, there are three positions, respectively A1, A2 and A3 for tool in the illumination of lens 1:
(1) value D1/H1=1.03, D2/H2=0.49, D3/H3=0.05, the optical exit bore of lens 1 are X, Z/X=1/
7.8, and incident area is made to enter the luminous fluxes 100 of lens 1,
Using the lens 1 of above-mentioned parameter structure, after deducting interface reflection and material absorption, the theoretical luminous flux of exit area
For φ:
A: when light source C is located at the position A1: beam angle is 15 °, φ=96;
B: when light source C is located at the position A2: beam angle is 22 °, φ=85;
C: when light source C is located at the position A3: beam angle is 36 °, φ=75.
(2) value D1/H1=1.5, D2/H2=0.5, D3/H3=0.05, the optical exit bore of lens 1 are X, Z/X=1/
7.8, and incident area is made to enter the luminous fluxes 100 of lens 1,
Using the lens 1 of above-mentioned parameter structure, after deducting interface reflection and material absorption, the theoretical luminous flux of exit area
For φ:
A: when light source C is located at the position A1: beam angle is 15 °, φ=97;
B: when light source C is located at the position A2: beam angle is 22 °, φ=93;
C: when light source C is located at the position A3: beam angle is 36 °, φ=90.
(3) value D1/H1=1.9, D2/H2=0.52, D3/H3=0.05, the optical exit bore of lens 1 are X, Z/X=1/
7.8, and incident area is made to enter the luminous fluxes 100 of lens 1,
Using the lens 1 of above-mentioned parameter structure, after deducting interface reflection and material absorption, the theoretical luminous flux of exit area
For φ:
A: when light source C is located at the position A1: beam angle is 15 °, φ=98;
B: when light source C is located at the position A2: beam angle is 22 °, φ=96;
C: when light source C is located at the position A3: beam angle is 36 °, φ=95.
(4) value D1/H1=2.1, D2/H2=0.55, D3/H3=0.05, the optical exit bore of lens 1 are X, Z/X=1/
7.8, and incident area is made to enter the luminous fluxes 100 of lens 1,
Using the lens 1 of above-mentioned parameter structure, after deducting interface reflection and material absorption, the theoretical luminous flux of exit area
For φ:
A: when light source C is located at the position A1: beam angle is 15 °, φ=98;
B: when light source C is located at the position A2: beam angle is 22 °, φ=96;
C: when light source C is located at the position A3: beam angle is 36 °, φ=95.
(5) value D1/H1=3.0, D2/H2=2, D3/H3=0.05, the optical exit bores of lens 1 are X, Z/X=1/7.8,
And so that incident area is entered the luminous flux 100 of lens 1,
Using the lens 1 of above-mentioned parameter structure, after deducting interface reflection and material absorption, the theoretical luminous flux of exit area
For φ:
A: when light source C is located at the position A1: beam angle is 15 °, φ=85;
B: when light source C is located at the position A2: beam angle is 22 °, φ=80;
C: when light source C is located at the position A3: beam angle is 36 °, φ=65.
By it is above-mentioned it is found that using the application lens 1, when light source C is moved in the installation region light source C, ensuring to shine
Under the premise of Mingguang City's spot is uniform, the adjustment to beam angle is realized, and then realize the adjustment to illumination light shape of spot, and controlling
When making 3 structural parameters of the second exit area in the range of 3 >=D1/H1 >=1.1, reflecting region 4 forms corresponding parameter, reflection
Region 4 can be greatly reduced light spilling, lens 1 is made to have good light efficiency under the state modulator.
Above embodiments are only to illustrate the utility model and not limit technical solution described in the utility model, to the greatest extent
Pipe this specification has been carried out detailed description to the utility model referring to above-mentioned each embodiment, but the utility model not office
It is limited to above-mentioned specific embodiment, therefore any pair of the utility model is modified or equivalent replacement;And all do not depart from invention
Spirit and scope technical solution and its improvement, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of sheen eyeglass with hollow out bracket, which is characterized in that including light adjustment section and with the light adjustment section
Connected bracket, the bracket are used to support the light adjustment section, and the light adjustment section has to be entered for light refraction
Incident side and the exiting side for reflecting light, the incident side and exiting side are oppositely arranged, in the incident side and/or exiting side
On be provided with sheen region, the sheen region is diffused the light of irradiation on it.
2. sheen eyeglass according to claim 1, which is characterized in that the bracket includes mounting portion and several connecting rods,
Each connecting rod it is arranged spaced apart, described connecting rod one end is connect with the mounting portion, the other end and the light adjustment section phase
Even, the mounting portion with other components for being connected.
3. sheen eyeglass according to claim 2, which is characterized in that the mounting portion is annular shape, each connection
Bar circumference uniform distribution is between the mounting portion and light adjustment section.
4. sheen eyeglass according to claim 1 to 3, which is characterized in that the sheen region is out-of-flatness light
Face.
5. sheen eyeglass according to claim 1 to 3, which is characterized in that the sheen region be frosting or
Person is to combine the compound eye face formed by several micro-optics faces.
6. sheen eyeglass according to claim 1 to 3, which is characterized in that the sheen region is corresponding described
Diffusant is provided in light adjustment section.
7. sheen eyeglass according to claim 1 to 3, which is characterized in that the light adjustment section is towards described
The laminated structure of the spherical shape protrusion of exiting side side.
8. a kind of compound lens, which is characterized in that including sheen eyeglass described in claim 1-7 any one and with it is described soft
The lens that light microscopic piece matches, mounting portion are arranged on the lens, have incident area and exit area, institute on the lens
State the second exit area that exit area includes the first exit area He is surrounded on outside first exit area, the scrim
The incident side of piece and the first exit area of the lens are oppositely arranged.
9. compound lens according to claim 8, which is characterized in that second exit area includes that basal plane and setting exist
Several protrusion elements on the basal plane, in the plane perpendicular to lens axis, the cross sectional shape of the basal plane is by small end
It is gradually expanded on to the direction of big end, the small end of the basal plane is on the direction along the lens axis at a distance from big end
H1 is D1 on the direction perpendicular to the lens axis, and 3 >=D1/H1 >=1.1, the protrusion element is around the lens axis
Setting,
In the plane coplanar with lens axis, it is located in the plane, and the light reflected through single protrusion element, in shape
Before illumination spot, at least there is some light and intersects,
Several micro-optics faces is additionally provided in the protrusion element,
In the plane coplanar with lens axis, when single protrusion element is there are when multiple section units, it is located in the plane, and
And at least there is some light and hand in the light reflected through the single section units before forming illumination spot
Fork,
The protrusion element is the ring-shaped circular around lens axis,
The protrusion element is evenly arranged along the basal plane,
Mutually splice between the adjacent protrusion element,
The basal plane of second exit area is towards lens sunken inside, the tangent line of the basal plane and the plane perpendicular to lens axis
Angle is α, and on the direction by small end to big end, α is gradually increased,
Tangent line at the basal plane small end and the angle of the plane perpendicular to lens axis are α 1, the tangent line at the basal plane big end
Angle with the plane perpendicular to lens axis is 1≤35 ° of 2,0 °≤α of α;2≤60 ° of 5 °≤α,
Reflecting region has a big end and a small end, in the plane perpendicular to lens axis, the section shape of the reflecting region
Shape is gradually expanded on the direction by small end to big end, and the small end of the reflecting region is at a distance from big end, along the lens
It is H2 on the direction of optical axis, is D2 on the direction perpendicular to the lens axis, 2 >=D2/H2 >=0.5,
The reflecting region is protruded towards the direction far from lens, the tangent line of the reflecting region and the plane perpendicular to lens axis
Angle be β, on the direction by small end to big end, β is gradually increased,
Tangent line at the reflecting region small end and the angle of the plane perpendicular to lens axis are β 1, the exit area big end
The tangent line at place and the angle of the plane perpendicular to lens axis are β 2,1≤55 ° of 20≤β, 2≤75 ° of 20≤β,
The reflecting region is the optical surface being spliced by several optical units, is perhaps continuous smooth surface or is two
The combination of person,
The incident area includes first incident area opposite with first exit area and opposite with the reflecting region
The second incident area, second incident area is surrounded on outside first incident area, and second incident area has
One big end and a small end, in the plane perpendicular to lens axis, the cross sectional shape of second incident area by small end extremely
It is gradually expanded on the direction of big end, the side edge of the small end of second incident area and first incident area,
The second incident area small end is H3 on the direction along the lens axis, perpendicular to institute at a distance from big end
Stating is D3 on the direction of lens axis, 0≤D3/H3≤0.2,
The angle of the plane of the tangent line and lens axis of the end of second incident area far from the first incident area is γ 1,
0°≤γ1≤10°;Angle close to the plane of the tangent line and lens axis of the end of the first incident area is 2,0 °≤γ 2 of γ
≤ 10 °,
First exit area is the projecting surface far from the lens protrusion,
First exit area is the optical surface being spliced by several optical units,
The incident area is Fresnel optical surface,
The incident area is corresponding with light source installation region, when any position of the light source in the installation region, by described
The light that exit area reflects is formed with the uniform illumination spot of photic-energy transfer at design lighting position,
The light source installation region be along the region that lens axis moves axially,
Intersection is formed between the protrusion element and basal plane, width is D4, raised list between the intersection of single protrusion element
Member is H4,4≤D4/H4≤40,4≤D1/D4 relative to the height of projection of basal plane.
10. a kind of lamps and lanterns, which is characterized in that including sheen eyeglass or claim 8 described in claim 1-7 any one
Or compound lens described in 9, it further include the light source matched with the sheen eyeglass or compound lens.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920071162.2U CN209341160U (en) | 2019-01-16 | 2019-01-16 | A kind of sheen eyeglass, compound lens and lamps and lanterns with hollow out bracket |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920071162.2U CN209341160U (en) | 2019-01-16 | 2019-01-16 | A kind of sheen eyeglass, compound lens and lamps and lanterns with hollow out bracket |
Publications (1)
Publication Number | Publication Date |
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CN209341160U true CN209341160U (en) | 2019-09-03 |
Family
ID=67761601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920071162.2U Active CN209341160U (en) | 2019-01-16 | 2019-01-16 | A kind of sheen eyeglass, compound lens and lamps and lanterns with hollow out bracket |
Country Status (1)
Country | Link |
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CN (1) | CN209341160U (en) |
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2019
- 2019-01-16 CN CN201920071162.2U patent/CN209341160U/en active Active
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