CN110043873A - Lens and lamps and lanterns - Google Patents
Lens and lamps and lanterns Download PDFInfo
- Publication number
- CN110043873A CN110043873A CN201910314345.7A CN201910314345A CN110043873A CN 110043873 A CN110043873 A CN 110043873A CN 201910314345 A CN201910314345 A CN 201910314345A CN 110043873 A CN110043873 A CN 110043873A
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- China
- Prior art keywords
- lens
- light
- subchannel
- exit facet
- incidence
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of lens and lamps and lanterns, lens include: the plane of incidence, suitable for entering lens for the light that light source issues；Path channels, input terminal are connected with the plane of incidence, suitable for the light for entering lens is reflected and/or reflected；Exit facet is connected with the output end of path channels, suitable for in lens light project lens, and the plane of incidence, path channels and exit facet match make lens beam projecting angular range be greater than 180 °.Lens provided by the invention, pass through the improvement of structure, so that the beam projecting angular range of lens is greater than 180 °, thus effectively expand the distribution of the light of light source sending, the distribution of light energy is expanded, so that the purpose for reducing optical energy density is played, so that the light of lamps and lanterns is softer, dazzle degree is reduced, the comfort of luminous environment is improved.
Description
Technical field
The present invention relates to luminaire technical fields, in particular to a kind of lens and a kind of lamp comprising the lens
Tool.
Background technique
Currently, the light of the lamps and lanterns such as existing downlight is usually the side direction towards light source (i.e. far from lamp in lighting area
The direction of the mounting surface of tool) all project, for example lamp installation is on the ceiling, ceiling is the mounting surface of lamps and lanterns, then light
Line is all shot down, and there is a problem of that brightness is high, light-emitting surface is small, this results in light to concentrate, and direct glare is serious, reduces
The comfort of luminous environment.
Summary of the invention
At least one in order to solve the above-mentioned technical problem, it is an object of the present invention to provide a kind of lens.
It is another object of the present invention to provide a kind of lamps and lanterns including said lens.
To achieve the goals above, the technical solution of first aspect present invention provides a kind of lens, comprising: the plane of incidence,
Light suitable for issuing for light source enters the lens；Path channels, input terminal are connected with the plane of incidence, are suitable for entrance
The light of the lens is reflected and/or is reflected；Exit facet is connected with the output end of the path channels, is suitable for described in confession
Light in lens projects the lens, and the plane of incidence, the path channels and the exit facet match make it is described
The beam projecting angular range of mirror is greater than 180 °.
The lens that the technical solution of first aspect present invention provides, by the improvement of structure, so that the beam projecting of lens
Angular range be greater than 180 °, this make light source issue light may not only to light source a side direction (i.e. far from the peace of lamps and lanterns
The direction in dress face) it projects, it can also project to another side direction of light source (i.e. close to the direction of the mounting surface of lamps and lanterns, such as lamp
Tool is ceiling mounted, and light, which may not only be shot down, to be projected upwards), then it is (including but unlimited through other structures
In space environment and the other component of lamps and lanterns) reflection, thus the distribution of the light of light source sending is effectively expanded, it expands
The distribution of light energy, so that play the purpose for reducing optical energy density reduces so that the light of lamps and lanterns is softer
Dazzle degree improves the comfort of luminous environment.
Specifically, in the prior art, the light that lamps and lanterns issue can only be projected to a side direction of light source, thus lamps and lanterns
Beam projecting angular range is generally less than 180 °, causes light energy distribution range small, and light energy distribution is concentrated, and dazzle is serious.And
Lens provided by the present application include the plane of incidence, path channels and exit facet, and the light that light source issues enters lens through the plane of incidence,
It is reflected and/or is reflected to change the direction of propagation in the path channels of lens, then the exit facet dispersion through lens is projected saturating
Mirror, into reaching illuminating effect in environment；Meanwhile the plane of incidence, path channels and exit facet match, so that the light of lens goes out
Angular range is penetrated greater than 180 °, compared to the prior art in light angle less than 180 ° be emitted range, effectively expand lamps and lanterns
Light distribution, and then expand the distribution of light energy, to play the purpose for reducing optical energy density so that
The light of lamps and lanterns is softer, reduces dazzle degree, improves the comfort of luminous environment.
In addition, the lens in above-mentioned technical proposal provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, the path channels include multiple subchannels, and the exit facet includes logical with the son
The quantity in road is equal and one-to-one multiple sub- exit facets, and multiple sub- exit facets are towards different directions.
Path channels are divided into multiple subchannels, exit facet is accordingly divided into multiple sub- exit facets, then passes through rational design
The shape and position of the shape of multiple subchannels and position and multiple sub- exit facets, can reasonably adjust the beam projecting of lens
Light intensity in direction, beam projecting angular range and all directions, is conducive to the different demands for meeting user and lamp
The different application scene demand of tool is conducive to the marketing of product to significantly improve the usage experience of user.
In the above-mentioned technical solutions, the quantity of the subchannel is two, and two subchannels are denoted as middle center respectively
Channel and peripheral subchannel, the sub- exit facet corresponding with the central subchannel and the peripheral subchannel are denoted as respectively
Middle center exit facet and outer defensive wall exit facet；Wherein, the middle center exit facet towards the lens central axis so that through
The center position of the light that the middle center exit facet projects towards the lens projects；The outer defensive wall exit facet is away from described
The central axis of lens, so that the periphery of the light projected through the outer defensive wall exit facet towards the lens is projected.
It is two by the quantitative design of subchannel, is conducive to the structure for simplifying lens, reduce the design difficulty of lens and adds
Work difficulty, and then reduce the production cost of product.Wherein, in the light warp of central subchannel center exit facet to the center of lens
Direction is projected, and the light of peripheral subchannel is projected through outer defensive wall exit facet to the peripheral direction of lens, plays effective light splitting
Effect so that the distribution for the light that lamps and lanterns issue has taken into account the center and periphery of lamps and lanterns, thus effectively expands light
Distribution makes optical energy dispersion reduce optical energy density in space, improves luminous environment comfort level.
Further, central subchannel light warp in center exit facet to close to lamps and lanterns mounting surface project and/or to
Mounting surface far from lamps and lanterns projects；The light of peripheral subchannel through outer defensive wall exit facet to close to lamps and lanterns mounting surface project and/
Or it is projected to the mounting surface far from lamps and lanterns.Wherein, it can be mapped on diffusing reflection face to the light that the mounting surface close to lamps and lanterns projects,
Diffusing reflection face is set to become secondary bright rich light source, it is then soft again equably to project, to further decrease dazzle sense, further increase
The comfort level of luminous environment.
In the above-mentioned technical solutions, the side wall surface of the central subchannel is at least partly configured to fully reflecting surface, so that
Light into the central subchannel is reached after being totally reflected in the central subchannel and is penetrated at the middle center exit facet
Out；And/or the side wall surface of the peripheral subchannel is at least partly configured to fully reflecting surface, so that into the peripheral subchannel
Light reach at the outer defensive wall exit facet and project after being totally reflected in the peripheral subchannel.
The side wall surface of central subchannel is at least partly configured to fully reflecting surface, so that into the light master of central subchannel
It to be projected after being totally reflected by middle center exit facet, be conducive to what the light for projecting central subchannel was projected with peripheral subchannel
Light is well separated, so that the light intensity that middle center exit facet projects is relatively high, and exists in space environment a large amount of unrestrained anti-
Face is penetrated, after these light are penetrated on diffusing reflection face, so that diffusing reflection face becomes secondary bright rich light source, the light of outgoing is soft and equal
It is even, so that the light of central subchannel can be distributed bigger range in space after injection, to further increase
Spectrophotometric result.Simultaneously as inevitably there is error, thus central subchannel also have small part light can be through center
Subchannel reflects away, so that the side wall surface of central subchannel can also shine, to prevent lens from generating dark space.
Similarly, the side wall surface of peripheral subchannel is at least partly configured to fully reflecting surface, so that entering peripheral subchannel
Light is mainly projected after being totally reflected by outer defensive wall exit facet, is conducive to the light for projecting peripheral subchannel and central subchannel
The light of injection is well separated, so that the light intensity that outer defensive wall exit facet projects is relatively high, and exists in space environment big
The diffusing reflection face of measuring, after these light are penetrated on diffusing reflection face, so that diffusing reflection face becomes secondary bright rich light source, the light of outgoing is soft
And it is uniform, so that the light of peripheral subchannel can be distributed bigger range in space after injection, thus further
Improve spectrophotometric result.Simultaneously as inevitably there is error, thus peripheral subchannel also have small part light can be through
Peripheral subchannel reflects away, so that the side wall surface of peripheral subchannel can also shine, to prevent lens from generating dark space.
In the above-mentioned technical solutions, fully reflecting surface is at least partly configured to for the side wall surface of the central subchannel
The fully reflecting surface of situation, the central subchannel is configured as: suitable for making the light into the central subchannel through described complete
It is reached after reflecting surface primary event at the middle center exit facet.
In the technical solution, light warp after entering central subchannel is primary to be totally reflected center exit facet in i.e. arrival
Place, this effectively reduces optical path length of the light in central subchannel, thus be conducive to reduce the length of central subchannel, it can
So that the structure of central subchannel is simpler, facilitates the volume for reducing lens, further decrease production cost.
In the above-mentioned technical solutions, the fully reflecting surface of the central subchannel be first surface, the two of the first surface
End is connected with the plane of incidence and the middle center exit facet respectively.
The fully reflecting surface of central subchannel is designed as first surface, it is both logical convenient for center in cooperation from different perspectives injection
The light in road, being subjected to once be totally reflected can be mapped on middle center exit facet；And curved-surface structure is simple, it is easy to process at
Type.Wherein, first surface is preferably concave surface, is conducive to light in this way and is preferably reflected on middle center exit facet.
In the above-mentioned technical solutions, fully reflecting surface is at least partly configured to for the side wall surface of the peripheral subchannel
The fully reflecting surface of situation, the periphery subchannel is configured as: suitable for making the light for entering the peripheral subchannel through described complete
It is reached after reflecting surface multiple reflections at the outer defensive wall exit facet.
In the technical solution, light is just reached at outer defensive wall exit facet after entering peripheral subchannel through multiple total reflection,
Which effectively increases optical path length of the light in outer defensive wall channel, be conducive to the light for further projecting peripheral subchannel with
The light that central subchannel projects is well separated, so that the further expansion spatial distribution range of light, further reduced
Optical energy density.
In the above-mentioned technical solutions, the fully reflecting surface of the peripheral subchannel includes the second curved surface and faces directly, and described the
The both ends of two curved surfaces are connected with the plane of incidence and described one end faced directly respectively, the other end faced directly and the outer defensive wall
Exit facet is connected.
The fully reflecting surface of peripheral subchannel includes the second curved surface and faces directly, and the light for entering peripheral subchannel through the plane of incidence is first
It through the second curved face total reflection, is then faced directly total reflection, is finally projected by outer defensive wall exit facet.Wherein, the second curved surface is preferably
Concave surface is conducive to more aobvious be preferably reflected into this way and faces directly；And face directly convenient for cooperating with the other structures of lamps and lanterns, both convenient for dress
Match, and is conducive to improve the aesthetics of product.
In the above-mentioned technical solutions, second curved surface includes two subsurfaces being oppositely arranged, described to face directly including phase
Mutually two parallel sons are faced directly.
Second curved surface includes two subsurfaces being oppositely arranged, and faces two sons including being parallel to each other directly and faces directly, then light
It can be mutually reflected, can also be mutually reflected between two sons are faced directly between two subsurfaces, it can also be bent by a son
Face is reflected into a son and faces directly, and another subsurface is reflected into another height and faces directly, expands the scope of design of lens,
Be conducive to the application demand of the different demands for meeting user and different scenes.
Meanwhile two sons being parallel to each other are faced directly to enclose with outer defensive wall exit facet and set out the shape similar with the front ring of downlight
Shape, is conducive to the front ring for cancelling downlight, and lens and front ring are integrated into a component, to reduce cost, simplifies assembly process, and
Realize the full-luminous of downlight, improving existing preceding loop section cannot shine caused dark area effect.
In any of the above-described technical solution, the central axis of the middle center exit facet and the lens is parallel to each other；With/
Or, the central axis of the outer defensive wall exit facet and the lens is parallel to each other.
The central axis of middle center exit facet and lens is parallel to each other, so that the structure of lens is more regular, it is easy to process
Molding, is also convenient for being adapted to the other structures of lamps and lanterns.Certainly, middle center exit facet can also incline relative to the central axis of lens
Tiltedly setting, or it is designed to curved surface.
The central axis of outer defensive wall exit facet and lens is parallel to each other, so that the structure of lens is more regular, it is easy to process
Molding.Certainly, outer defensive wall exit facet can also be obliquely installed relative to the peripheral axis of lens, or be designed to curved surface.
The case where being parallel to each other with the central axis of lens for middle center exit facet and outer defensive wall exit facet, middle center
Exit facet and outer defensive wall exit facet in the opposite direction, are conducive to the light for further projecting peripheral subchannel and middle center
The light that channel is projected is well separated, so that the further expansion spatial distribution range of light, further reduced light energy
Density.
In any of the above-described technical solution, the plane of incidence includes equal and one-to-one with the quantity of the subchannel
Multiple sub- planes of incidence.
The plane of incidence is divided into equal with subchannel quantity and one-to-one multiple sub- planes of incidence, convenient for logical according to each height
The location and shape in road and the location and shape that each sub- plane of incidence is rationally arranged, enter light with ideal angle
Each subchannel more efficiently reduces optical energy density to reach more preferably spectrophotometric result.
In the above-mentioned technical solutions, the sub- plane of incidence includes the connected sub- face of multiple turnovers.
The sub- plane of incidence is divided into the connected sub- face of multiple turnovers, every sub- face is arranged in different angles, can make light
It is injected in corresponding subchannel at different angles, is conducive to improve subsequent spectrophotometric result.Additionally by the multiple turnovers of setting
The reflecting surface that connected sub- face also helps reduction path channels reduces costs to reduce manufacture craft difficulty.
In the above-mentioned technical solutions, multiple sub- planes of incidence are sequentially connected the receiving enclosed and set out for accommodating the light source
Slot.
Multiple sub- planes of incidence are sequentially connected the holding tank limited for installing light source, then multiple sub- planes of incidence, which are concentrated, divides
Multiple sub- planes of incidence can be obtained by processing corresponding groove on lens in cloth, and processing technology is simple；It simultaneously can also be to light
Source carries out a degree of protection, and the light that light source is issued enters lens as far as possible, reduces the light leakage phenomena of light source.
In above-mentioned technology either a program, the lens are in a ring.
Lens in a ring, can form annular luminous body, and the spatial distribution range of further expansion light further decreases
Optical energy density.Meanwhile it can be adapted to multiple light sources (such as multiple LED lamp beads, annular spread), to improve the power of lamps and lanterns,
Meet different scene demands.
It in the above-mentioned technical solutions, is two for the quantity that the path channels include multiple subchannels and the subchannel
A situation, the lens include internal ring portion and are set in the outer portion being connected on the outside of the internal ring portion and with the internal ring portion；
Wherein, the plane of incidence is arranged at the internal ring portion and the connecting portion of the outer portion, the middle center of the path channels
The middle center exit facet of channel and the exit facet be set to the internal ring portion, the peripheral subchannel of the path channels and it is described go out
The outer defensive wall exit facet for penetrating face is set to the outer portion.
The quantity that path channels are included the case where with multiple subchannels and subchannel is two, and two subchannels are respectively
Central subchannel and peripheral subchannel, exit facet include two sub- exit facets, sub- exit facet centered on two sub- exit facets difference
With outer defensive wall exit facet, wherein center exit facet is projected to the center position of lens in the light warp of central subchannel, outer defensive wall
The light in channel is projected through outer defensive wall exit facet to the peripheral direction of lens.Therefore, lens are accordingly divided into internal ring portion and outer ring
Portion, it is corresponding with the position of two subchannels and two sub- planes of incidence, it is rationally distributed.Wherein, the height of internal ring portion and outer portion
Can be equal, it can also be unequal.Such as: for aforementioned by lens and the integrally disposed scheme of front ring, the height of internal ring portion is small
In the height of outer portion, internal ring portion height is relatively small to be conducive to simplify lens arrangement, reduces production cost, outer portion height phase
To larger, convenient for two face directly and outer defensive wall exit facet where position extend to the outside of lamp housing and be formed as the front ring of downlight.
In the above-mentioned technical solutions, the annular limited between the internal ring portion and the outer portion for accommodating light source is recessed
Slot.
In the present solution, limit the annular groove for accommodating light source between internal ring portion and outer portion, then annular groove
Trough wall surface is formed as the plane of incidence, can effectively reduce the volume of lamps and lanterns, and carry out a degree of protection to light source, and make light
The light that source issues enters lens as far as possible, reduces the light leakage phenomena of light source.
In any of the above-described technical solution, the lens are additionally provided with diffusing structure.
By the way that diffusing structure is arranged, can light further be dispersed, further increase the light-dispersing effect of lens, into one
Step reduces optical energy density, so that light is softer.
In the above-mentioned technical solutions, the diffusing structure includes corrugated surface, scale and shell face or frosting.
In the present solution, diffusing structure is preferably corrugated surface, scale and shell face or frosting, it can be obviously improved the astigmatism of lens
Effect.But it is understood that the transparent or semitransparent plane or curved surface with consecutive variations refraction angle, can become
Diffusing structure.Wherein, diffusing structure can be is arranged corresponding micro-structure on mold, so that generating after lens molding corresponding
Diffusing structure is also possible to obtain corresponding astigmatism knot to processing such as the surface progress sandblasting of lens, frosteds after lens form
Structure.
In the above-mentioned technical solutions, at least light out part corresponding with light source position is equipped with the astigmatism knot on the lens
Structure.
At least diffusing structure is arranged in light out part corresponding with light source position on lens, and the light at the position can be made to be linked to be
It is a piece of, it is more soft, to play the effect of concealing light source, improve the using effect of lamps and lanterns.
The technical solution of second aspect of the present invention provides a kind of lamps and lanterns, comprising: lamp body, including lamp housing and light source；Such as
Lens described in any one of first aspect technical solution, are connected with the lamp housing, and the plane of incidence of the lens is described in
Light source, the light for issuing the light source enter the lens.
The lamps and lanterns that the technical solution of second aspect of the present invention provides, because including described in any one of first aspect technical solution
Lens, thus have any of the above-described technical solution possessed by all beneficial effects, details are not described herein.
In any of the above-described technical solution, the lamps and lanterns are downlight.
It is readily applicable to other lamps and lanterns for needing lens.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic perspective view of lens described in some embodiments of the invention；
Fig. 2 is the schematic cross-sectional view of lens shown in Fig. 1；
Fig. 3 is light path schematic diagram of the light by lens described in some embodiments of the invention；
Fig. 4 is the schematic perspective view of lens described in other embodiments of the invention；
Fig. 5 is the decomposition texture schematic diagram of lamps and lanterns described in some embodiments of the invention；
Fig. 6 is the light distribution curve of lamps and lanterns described in some embodiments of the invention.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Fig. 6 are as follows:
1 lens；11 planes of incidence；The 111 sub- planes of incidence；113 holding tanks；13 path channels；131 central subchannels；133 peripheries
Subchannel；135 first surfaces；15 exit facets；Center exit facet in 151；153 outer defensive wall exit facets；155 second curved surfaces；157 is straight
Face；159 diffusing structures；17 internal ring portions；19 outer portions；2 light sources；3 lamp housings；100 lamps and lanterns.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
The lens described according to some embodiments of the invention and lamps and lanterns are described referring to Fig. 1 to Fig. 6.
As shown in Figure 1 and Figure 4, the lens 1 that the embodiment of first aspect present invention provides, comprising: the plane of incidence 11, optical path are logical
Road 13 and exit facet 15.
Embodiment one
The light that the plane of incidence 11 is suitable for issuing for light source 2 enters lens 1；The input terminal of path channels 13 and 11 phase of the plane of incidence
Even, suitable for the light for entering lens 1 is reflected and/or reflected；Exit facet 15 is connected with the output end of path channels 13, fits
In projecting lens 1 for the light in lens 1, and the plane of incidence 11, path channels 13 and exit facet 15 match the light for making lens 1
Exiting angle range is greater than 180 °.
The lens 1 that the embodiment of first aspect present invention provides, by the improvement of structure, so that the beam projecting of lens 1
Angular range be greater than 180 °, this make light source 2 issue light may not only to light source 2 a side direction (i.e. far from lamps and lanterns 100
Mounting surface direction) project, can also project to another side direction of light source 2 (i.e. close to the side of the mounting surface of lamps and lanterns 100
To, for example lamps and lanterns 100 are ceiling mounted, light, which may not only be shot down, to be projected upwards), then through other structures
(the including but not limited to other component of space environment and lamps and lanterns 100) reflection, thus effectively expand the light of the sending of light source 2
Distribution, expands the distribution of light energy, so that the purpose for reducing optical energy density is played, so that lamps and lanterns 100
Light is softer, reduces dazzle degree, improves the comfort of luminous environment.
Specifically, in the prior art, the light that lamps and lanterns 100 issue can only be projected to a side direction of light source 2, thus lamp
The beam projecting angular range of tool 100 is generally less than 180 °, causes light energy distribution range small, and light energy distribution is concentrated, dazzle
Seriously.And lens 1 provided by the present application include the plane of incidence 11, path channels 13 and exit facet 15, the light that light source 2 issues is through entering
It penetrates face 11 and enters lens 1, reflected and/or reflected to change the direction of propagation in the path channels 13 of lens 1, then through saturating
Lens 1 are projected in the dispersion of exit facet 15 of mirror 1, into reaching illuminating effect in environment；Meanwhile the plane of incidence 11,13 and of path channels
Exit facet 15 matches, so that the beam projecting angular range of lens 1 is greater than 180 °, as shown in fig. 6, in compared to the prior art
Light angle less than 180 ° is emitted range, effectively expands the light distribution of lamps and lanterns 100, and then expand light energy
Distribution, so that playing the purpose for reducing optical energy density reduces dazzle so that the light of lamps and lanterns 100 is softer
Degree improves the comfort of luminous environment.
Embodiment two
Difference with embodiment one is: on the basis of example 1, further, path channels 13 include multiple sons
Channel, as shown in figure 3, exit facet 15 includes equal with the quantity of subchannel and one-to-one multiple sub- exit facets 15, and more
A sub- exit facet 15 is towards different directions.
Path channels 13 are divided for multiple subchannels, accordingly exit facet 15 is divided for multiple sub- exit facets 15, then passes through conjunction
Reason designs the shape of multiple subchannels and the shape and position of position and multiple sub- exit facets 15, can reasonably adjust lens 1
Beam projecting direction, the light intensity in beam projecting angular range and all directions, be conducive to the difference for meeting user
Demand and the different application scene demand of lamps and lanterns 100 are conducive to the market of product to significantly improve the usage experience of user
It promotes.
Specifically, as shown in figure 3, the quantity of subchannel is two, two subchannels are denoted as 131 He of central subchannel respectively
Peripheral subchannel 133, sub- exit facet 15 corresponding with central subchannel 131 and peripheral subchannel 133 are denoted as middle center respectively
Exit facet 151 and outer defensive wall exit facet 153；Wherein, middle center exit facet 151 towards lens 1 central axis so that through center
The center position of the light that sub- exit facet 151 projects towards lens 1 projects；Outer defensive wall exit facet 153 deviates from the central axis of lens 1
Line, so that the periphery of the light projected through outer defensive wall exit facet 153 towards lens 1 is projected.
By the quantitative design of subchannel be two, be conducive to simplify lens 1 structure, reduce lens 1 design difficulty and
Difficulty of processing, and then reduce the production cost of product.Wherein, in the light warp of central subchannel 131 center exit facet 151 to saturating
The center position of mirror 1 projects, and the light of peripheral subchannel 133 is projected through outer defensive wall exit facet 153 to the peripheral direction of lens 1,
Effective spectrophotometric result is played, so that the distribution for the light that lamps and lanterns 100 issue has taken into account the center of lamps and lanterns 100 and outer
It encloses, thus effectively expands the distribution of light, make optical energy dispersion in space, reduce optical energy density, improve
Luminous environment comfort level.
Further, center exit facet 151 is penetrated to the mounting surface close to lamps and lanterns 100 in the light warp of central subchannel 131
It projects out and/or to the mounting surface far from lamps and lanterns 100；The light of peripheral subchannel 133 is through outer defensive wall exit facet 153 to by low beam
The mounting surface of tool 100 is projected and/or is projected to the mounting surface far from lamps and lanterns 100.Wherein, it is penetrated to the mounting surface close to lamps and lanterns 100
Light out can be mapped on diffusing reflection face, and diffusing reflection face is made to become secondary bright rich light source 2, then soft again equably to project,
To further decrease dazzle sense, the comfort level of luminous environment is further increased.
Further, as shown in figure 3, the side wall surface of central subchannel 131 is at least partly configured to fully reflecting surface, so that
Light into central subchannel 131 projects at center exit facet 151 in arrival after being totally reflected in central subchannel 131；
The side wall surface of peripheral subchannel 133 is at least partly configured to fully reflecting surface, so as to enter the light of peripheral subchannel 133 outside
It reaches at outer defensive wall exit facet 153 and projects after being totally reflected in defensive wall channel 133.
The side wall surface of central subchannel 131 is at least partly configured to fully reflecting surface, so that into central subchannel 131
Light is mainly projected after being totally reflected by middle center exit facet 151, is conducive to the light for projecting central subchannel 131 and periphery
The light that subchannel 133 projects is well separated, so that the light intensity that middle center exit facet 151 projects is relatively high, and space
There are a large amount of diffusing reflection faces in environment, after these light are penetrated on diffusing reflection face, so that diffusing reflection face becomes secondary bright rich light source
2, the light of outgoing is soft and uniform, so that the light of central subchannel 131 can be distributed more greatly in space after injection
Range, to further improve spectrophotometric result.Simultaneously as inevitably there is error, thus central subchannel 131
Also having small part light can reflect away through central subchannel 131, so that the side wall surface of central subchannel 131 can also shine,
To prevent lens 1 from generating dark space.
Similarly, the side wall surface of peripheral subchannel 133 is at least partly configured to fully reflecting surface, so that entering peripheral subchannel
133 light is mainly projected after being totally reflected by outer defensive wall exit facet 153, is conducive to the light for projecting peripheral subchannel 133
The light projected with central subchannel 131 is well separated, so that the light intensity that outer defensive wall exit facet 153 projects is relatively high,
And there are a large amount of diffusing reflection faces in space environment, after these light are penetrated on diffusing reflection face, so that diffusing reflection face becomes secondary bright
Rich light source 2, the light of outgoing is soft and uniform, so that the light of peripheral subchannel 133 can divide in space after injection
The bigger range of cloth, to further improve spectrophotometric result.Simultaneously as inevitably there is error, thus outer defensive wall
Channel 133 also has small part light and can reflect away through peripheral subchannel 133, so that the side wall surface of peripheral subchannel 133
It can shine, to prevent lens 1 from generating dark space.
Further, the case where fully reflecting surface being at least partly configured to for the side wall surface of central subchannel 131, center
The fully reflecting surface of subchannel 131 is configured as: suitable for making the light into central subchannel 131 after fully reflecting surface primary event
In arrival at center exit facet 151, as shown in Figure 3.
In the embodiment, light warp after entering central subchannel 131 is primary to be totally reflected center exit facet in i.e. arrival
At 151, this effectively reduces optical path length of the light in central subchannel 131, to be conducive to reduce central subchannel 131
Length, the structure of central subchannel 131 can be made simpler, facilitate reduce lens 1 volume, further decrease life
Produce cost.
Wherein, as shown in figure 3, the fully reflecting surface of central subchannel 131 is first surface 135, the both ends of first surface 135
It is connected respectively with the plane of incidence 11 and middle center exit facet 151.
The fully reflecting surface of central subchannel 131 is designed as first surface 135, both convenient in cooperation from different perspectives injection
The light in center channel 131, being subjected to once be totally reflected can be mapped on middle center exit facet 151；And curved-surface structure is simple,
Molding easy to process.Wherein, first surface 135 is preferably concave surface, is conducive to light in this way and is preferably reflected into middle center outgoing
On face 151.
Further, the case where fully reflecting surface being at least partly configured to for the side wall surface of peripheral subchannel 133, periphery
The fully reflecting surface of subchannel 133 is configured as: suitable for making the light for entering peripheral subchannel 133 after fully reflecting surface multiple reflections
It reaches at outer defensive wall exit facet 153, as shown in Figure 3.
In the embodiment, light just reaches outer defensive wall exit facet 153 through multiple total reflection after entering peripheral subchannel 133
Place, which effectively increases optical path length of the light in outer defensive wall channel 133, is conducive to further penetrate peripheral subchannel 133
Light out and the light that central subchannel 131 projects is well separated, thus the further expansion spatial distribution range of light,
It further reduced optical energy density.
Wherein, as shown in figure 3, the fully reflecting surface of peripheral subchannel 133 includes the second curved surface 155 and faces 127, and second directly
The both ends of curved surface 155 respectively with the plane of incidence 11 and face 127 one end directly and be connected, face 127 other end and outer defensive wall exit facet directly
153 are connected.
The fully reflecting surface of peripheral subchannel 133 includes the second curved surface 155 and faces 127 directly, enters outer defensive wall through the plane of incidence 11
The light in channel 133 is first totally reflected through the second curved surface 155, is then faced directly 127 total reflections, finally by outer defensive wall exit facet 153
It projects.Wherein, the second curved surface 155 is preferably concave surface, is conducive to more aobvious be preferably reflected into this way and faces directly on 127；And face 127 directly
Convenient for cooperating with the other structures of lamps and lanterns 100, not only convenient for assembly, but also be conducive to improve the aesthetics of product.
Further, the second curved surface 155 includes two subsurfaces being oppositely arranged, and facing 127 directly includes two to be parallel to each other
Height faces 127 directly, as shown in Figure 3.
Second curved surface 155 includes two subsurfaces being oppositely arranged, and facing 127 directly includes that two sons being parallel to each other are faced directly
127, then light can be mutually reflected between two subsurfaces, can also be faced directly in two sons and be mutually reflected between 127, can also
To be faced directly on 127 by a sub- camber reflection to a son, and another subsurface is reflected into another height and faces directly on 127, expands
The big scope of design of lens 1, is conducive to the application demand of the different demands for meeting user and different scenes.
Meanwhile two sons being parallel to each other face directly 127 and outer defensive wall exit facet 153 enclose set out it is similar with the front ring of downlight
Shape, be conducive to the front ring for cancelling downlight, lens 1 and front ring be integrated into a component, to reduce cost, simplify assembler
Sequence, and realize the full-luminous of downlight, improving existing preceding loop section cannot shine caused dark area effect.
Further, as shown in Figures 2 and 3, the central axis of middle center exit facet 151 and lens 1 is parallel to each other；Periphery
The central axis of sub- exit facet 153 and lens 1 is parallel to each other.
The central axis of middle center exit facet 151 and lens 1 is parallel to each other, so that the structure of lens 1 is more regular, is convenient for
Machine-shaping is also convenient for being adapted to the other structures of lamps and lanterns 100.Certainly, middle center exit facet 151 can also be relative to lens 1
Central axis be obliquely installed, or be designed to curved surface.
The central axis of outer defensive wall exit facet 153 and lens 1 is parallel to each other, so that the structure of lens 1 is more regular, is convenient for
Machine-shaping.Certainly, outer defensive wall exit facet 153 can also be obliquely installed relative to the peripheral axis of lens 1, or be designed to song
Face.
The feelings being parallel to each other with the central axis of lens 1 for middle center exit facet 151 and outer defensive wall exit facet 153
Condition, middle center exit facet 151 in the opposite direction, are conducive to peripheral subchannel 133 further with outer defensive wall exit facet 153
The light of injection and the light that central subchannel 131 projects is well separated, thus the further expansion spatial distribution model of light
It encloses, further reduced optical energy density.
Embodiment three
Difference with embodiment two is: on the basis of example 2, further, the plane of incidence 11 includes and subchannel
Quantity is equal and one-to-one multiple sub- planes of incidence 111, as shown in Figures 2 and 3.
The plane of incidence 11 is divided for equal with subchannel quantity and one-to-one multiple sub- planes of incidence 111, convenient for according to each
The location and shape of a subchannel and the location and shape that each sub- plane of incidence 111 is rationally arranged, allow light with ideal
Angle enter each subchannel and to reach more preferably spectrophotometric result more efficiently reduce optical energy density.
Further, the sub- plane of incidence 111 includes the connected sub- face of multiple turnovers, as shown in Figures 2 and 3.
The sub- plane of incidence 111 is divided to the sub- face connected for multiple turnovers, every sub- face is arranged in different angles, can make light
Line is injected at different angles in corresponding subchannel, is conducive to improve subsequent spectrophotometric result.Additionally by multiple turns of setting
The reflecting surface that the connected sub- face of folding also helps reduction path channels 13 reduces costs to reduce manufacture craft difficulty.
Further, multiple sub- planes of incidence 111 are sequentially connected the holding tank 113 for enclosing and setting out for accommodating light source 2, such as Fig. 2
With shown in Fig. 3.
Multiple sub- planes of incidence 111 are sequentially connected the holding tank 113 limited for installing light source 2, then multiple sub- planes of incidence
Multiple sub- planes of incidence 111 can be obtained by processing corresponding groove on lens 1 in 111 integrated distributions, and processing technology is simple；
A degree of protection can also be carried out to light source 2 simultaneously, and the light that light source 2 is issued enters lens 1 as far as possible, reduced
The light leakage phenomena of light source 2.
Example IV
Difference with embodiment three is: on the basis of embodiment three, further, lens 1 in a ring, such as Fig. 1 institute
Show.
Lens 1 in a ring, can form annular luminous body, and the spatial distribution range of further expansion light further drops
Low optical energy density.Meanwhile it can be adapted to multiple light sources 2 (such as multiple LED lamp beads, annular spread), to improve lamps and lanterns 100
Power meets different scene demands.
Wherein, the quantity of multiple subchannels and subchannel, which is two, to be included the case where for path channels 13, lens 1 include
Internal ring portion 17 and the outer portion 19 for being set in 17 outside of internal ring portion and being connected with internal ring portion 17, as shown in Figure 1；Wherein, the plane of incidence
11 are arranged at the connecting portion of internal ring portion 17 and outer portion 19, the central subchannels 131 of path channels 13 and exit facet 15
Middle center exit facet 151 is set to internal ring portion 17, the peripheral subchannel 133 of path channels 13 and the outer defensive wall exit facet of exit facet 15
153 are set to outer portion 19.
The quantity that path channels 13 are included the case where with multiple subchannels and subchannel is two, two subchannel difference
For center subchannel 131 and peripheral subchannel 133, exit facet 15 includes two sub- exit facets 15, and two sub- exit facets 15 are distinguished
Centered on sub- exit facet 151 and outer defensive wall exit facet 153, wherein central subchannel 131 light warp in center exit facet 151
It is projected to the center position of lens 1, the light of peripheral subchannel 133 is penetrated through outer defensive wall exit facet 153 to the peripheral direction of lens 1
Out.Therefore, lens 1 are accordingly divided into internal ring portion 17 and outer portion 19, the position with two subchannels and two sub- planes of incidence 111
It is corresponding, it is rationally distributed.Wherein, the height of internal ring portion 17 and outer portion 19 can be equal, can also be unequal.Such as: for
It is aforementioned by lens 1 and the integrally disposed scheme of front ring, the height of internal ring portion 17 is less than the height of outer portion 19,17 height of internal ring portion
It is relatively small to be conducive to simplify 1 structure of lens, production cost is reduced, 19 height of outer portion is relatively large, faces 127 directly convenient for two
And the position where outer defensive wall exit facet 153 extends to the outside of lamp housing 3 and is formed as the front ring of downlight.
Further, the annular groove for accommodating light source 2 is limited between internal ring portion 17 and outer portion 19.
In the present solution, the annular groove for accommodating light source 2 is limited between internal ring portion 17 and outer portion 19, then it is annular recessed
The trough wall surface of slot is formed as the plane of incidence 11, can effectively reduce the volume of lamps and lanterns 100, and carry out a degree of guarantor to light source 2
Shield, and the light that light source 2 is issued enters lens 1 as far as possible, reduces the light leakage phenomena of light source 2.
Embodiment five
Difference with any of the above-described embodiment is: based on any of the above embodiments, further, lens 1 are also
Equipped with diffusing structure 159.
By setting diffusing structure 159, can light further be dispersed, further increase the light-dispersing effect of lens 1,
Optical energy density is further decreased, so that light is softer.
Specifically, diffusing structure 159 includes corrugated surface, scale and shell face or frosting.
In the present solution, diffusing structure 159 is preferably corrugated surface, scale and shell face or frosting, it can be obviously improved lens 1
Light-dispersing effect.But it is understood that the transparent or semitransparent plane or curved surface with consecutive variations refraction angle, is ok
As diffusing structure 159.Wherein, diffusing structure 159 can be is arranged corresponding micro-structure on mold, so that lens 1 form
After generate corresponding diffusing structure 159, be also possible to carry out the processing such as sandblasting, frosted to the surfaces of lens 1 after lens 1 form
Obtain corresponding diffusing structure 159.
Wherein, at least light out part corresponding with light source 2 position is equipped with diffusing structure 159 on lens 1, as shown in Figure 4.
At least diffusing structure 159 is arranged in light out part corresponding with light source 2 position on lens 1, can make the light at the position
Line joins together, more soft, to play the effect of concealing light source 2, improves the using effect of lamps and lanterns 100.
As shown in figure 5, the lamps and lanterns 100 that the embodiment of second aspect of the present invention provides, comprising: lamp body and such as first aspect reality
Apply the lens 1 of any one of example.Wherein, lamp body includes lamp housing 3 and light source 2；Lens 1 are connected with lamp housing 3, and the incidence of lens 1
Towards light source 2, the light for issuing light source 2 enters lens 1 in face 11.
The lamps and lanterns 100 that the embodiment of second aspect of the present invention provides, because including the saturating of any one of first aspect embodiment
Mirror 1, thus there are all beneficial effects possessed by any of the above-described embodiment, details are not described herein.
Wherein lamp body can also include such as driving mechanism, sensing device, power supply component in addition to lamp housing 3 and light source 2.
In any of the above-described embodiment, lamps and lanterns 100 are downlight.
Below by taking downlight as an example, lens provided by the present application are described in detail and including the lamps and lanterns of the lens, and with it is existing
Technology compares.
Currently, already becoming the main force of illumination by long-life, LED light (being equivalent to the light source 2 in the application), it is in
It occupies, Shang Zhao and special lighting field occupy an leading position.
Downlight (lamps and lanterns 100 being equivalent in the application) is widely used in household and commercial lighting, on existing downlight
Penetrating light is 0%, under to penetrate light be 100%, have the characteristics that brightness is high, light-emitting surface is small, this results in light energy to concentrate, direct glare
Seriously, the comfort of luminous environment is reduced.
Based on this, the present invention provide it is a kind of realize the luminous method of full angle with lens, by light it is multiple reflect and
Reflection, light energy is distributed in entire space, while increasing lamps and lanterns light-emitting surface using lamp installation environment, by optical energy dispersion
In space, optical energy density is reduced, keeps light soft, reduces dazzle, promotes luminous environment comfort level.
Its specific structure is as follows:
A kind of downlight, including LED lens (being equivalent to the lens 1 in the application), lens are transparent material, by multiple refractions
Face, reflecting surface are constituted, and the cavity (i.e. holding tank) that can accommodate LED lamp bead (being equivalent to the light source 2 in the application) is arranged at bottom.Lens
In closed ring structure, bottom is the cavity of one side opening, which can accommodate multiple LED lamp beads.Optical path can be divided by lens
Two parts, a part of to the irradiation of middle part the center point (light that center exit facet projects in i.e.), another part irradiates (i.e. towards periphery
The light that outer defensive wall exit facet projects).The diffusing structures such as lens can increase plane of refraction, reflecting surface adds ripple, scale and shell or frosted,
Promote the light-dispersing effect of lens.
Its concrete principle is as follows:
Light is divided into two parts by the outgoing of lamp bead light-emitting surface after lens are divided: a part of (i.e. light AB) enters from a son
It penetrates after the refraction of face through the final therefrom center exit face of first surface reflection；Another part (i.e. light CD) enters from another height
Penetrate face refraction after through the second curved surface and face directly total reflection finally from outer defensive wall exit face.
Light A, B are overflow by being radiated on diffusing reflection face (aluminum substrate for being equipped with LED lamp bead) after middle center exit face
Reflecting surface becomes secondary bright rich light source, and the light of outgoing is soft, uniform；Light C, D are by also becoming one after outer defensive wall exit face
A secondary bright rich light source, and be vertical light-emitting surface, there is part light to be emitted upward.Light A, B, C, D collectively form full angle and go out
Light, the spatial distribution range of light become wide, and luminous intensity reduces in solid angle, reduces dazzle, promote luminous environment comfort level.
Wherein, light A, B is reflected through diffusing reflection face, and diffusing reflection face is a light-emitting surface, can irradiate smallpox after light C, D outgoing
On plate, then by ceiling reflection, ceiling also becomes a light-emitting surface, integrates human eye visual sense light-emitting surface and increases considerably,
Play the effect for reducing dazzle.
The illumination effect of the downlight is tested, light distribution curve shown in fig. 6 is obtained.Wherein, center of circle position is light
Source, light source emit downwards light, and the Wave curved on circle represents the light intensity of all directions, as seen from Figure 6, light source
Lower section is distributed with light, and light is also distributed in the top of light source, thus after the light splitting of the lens of the application lamps and lanterns beam projecting
Angular range is greater than 180 °, realizes full angle and shines, in space by optical energy dispersion, reduces optical energy density, so that
Light is soft, reduces dazzle sense, improves luminous environment comfort level.
To sum up, lens provided by the invention, by the improvement of structure, so that the beam projecting angular range of lens is greater than
180 °, this light that light source is issued may not only be penetrated to a side direction (i.e. the direction of the mounting surface far from lamps and lanterns) for light source
Out, it can also project that (i.e. close to the direction of the mounting surface of lamps and lanterns, for example lamp installation is in ceiling to another side direction of light source
On, light, which may not only be shot down, to be projected upwards), then through other structures (including but not limited to space environment and lamp
The other component of tool) reflection, thus the distribution of the light of light source sending is effectively expanded, expand the distribution model of light energy
It encloses, so that playing the purpose for reducing optical energy density reduces dazzle degree so that the light of lamps and lanterns is softer, is promoted
The comfort of luminous environment.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ",
The terms such as " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, being also possible to can
Dismantling connection, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In description of the invention, it is to be understood that the instructions such as term " on ", "lower", "left", "right", "front", "rear"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or unit of indication or suggestion meaning must have specific direction, be constructed and operated in a specific orientation,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (20)
1. a kind of lens characterized by comprising
The plane of incidence, the light suitable for issuing for light source enter the lens；
Path channels, input terminal are connected with the plane of incidence, suitable for carrying out refraction and/or anti-to the light for entering the lens
It penetrates；
Exit facet is connected with the output end of the path channels, suitable for projecting the lens, and institute for the light in the lens
Stating the plane of incidence, the path channels and the exit facet and matching makes the beam projecting angular range of the lens be greater than 180 °.
2. lens according to claim 1, which is characterized in that
The path channels include multiple subchannels, and the exit facet includes equal with the quantity of the subchannel and corresponds
Multiple sub- exit facets, and multiple sub- exit facets are towards different directions.
3. lens according to claim 2, which is characterized in that
The quantity of the subchannel is two, and two subchannels are denoted as central subchannel and peripheral subchannel respectively, with institute
It states central subchannel and the corresponding sub- exit facet of the peripheral subchannel is denoted as middle center exit facet and outer defensive wall respectively
Exit facet；
Wherein, the middle center exit facet towards the lens central axis, so as to project through the middle center exit facet
The center position of light towards the lens projects；The outer defensive wall exit facet deviates from the central axis of the lens, so that through
It projects the periphery of the light that the outer defensive wall exit facet projects towards the lens.
4. lens according to claim 3, which is characterized in that
The side wall surface of the central subchannel is at least partly configured to fully reflecting surface, so that into the light of the central subchannel
Line is reached after being totally reflected in the central subchannel and is projected at the middle center exit facet；And/or
The side wall surface of the periphery subchannel is at least partly configured to fully reflecting surface, so that into the light of the peripheral subchannel
Line is reached after being totally reflected in the peripheral subchannel and is projected at the outer defensive wall exit facet.
5. lens according to claim 4, which is characterized in that
The case where fully reflecting surface is at least partly configured to for the side wall surface of the central subchannel, the central subchannel
Fully reflecting surface is configured as: suitable for making the light into the central subchannel reach institute after the fully reflecting surface primary event
It states at middle center exit facet.
6. lens according to claim 5, which is characterized in that
The fully reflecting surface of the central subchannel be first surface, the both ends of the first surface respectively with the plane of incidence and institute
Middle center exit facet is stated to be connected.
7. lens according to claim 4, which is characterized in that
The case where fully reflecting surface is at least partly configured to for the side wall surface of the peripheral subchannel, the periphery subchannel
Fully reflecting surface is configured as: suitable for making the light for entering the peripheral subchannel reach institute after the fully reflecting surface multiple reflections
It states at outer defensive wall exit facet.
8. lens according to claim 7, which is characterized in that
The fully reflecting surface of the periphery subchannel include the second curved surface and face directly, and the both ends of second curved surface respectively with it is described
The plane of incidence and described one end faced directly are connected, and the other end faced directly is connected with the outer defensive wall exit facet.
9. lens according to claim 8, which is characterized in that
Second curved surface includes two subsurfaces being oppositely arranged, described to face two sons including being parallel to each other directly and face directly.
10. the lens according to any one of claim 3 to 9, which is characterized in that
The central axis of the middle center exit facet and the lens is parallel to each other；And/or
The central axis of the outer defensive wall exit facet and the lens is parallel to each other.
11. the lens according to any one of claim 2 to 9, which is characterized in that
The plane of incidence includes equal with the quantity of the subchannel and one-to-one multiple sub- planes of incidence.
12. lens according to claim 11, which is characterized in that
The sub- plane of incidence includes the connected sub- face of multiple turnovers.
13. lens according to claim 11, which is characterized in that
Multiple sub- planes of incidence are sequentially connected the holding tank for enclosing and setting out for accommodating the light source.
14. lens according to any one of claim 1 to 9, which is characterized in that
The lens are in a ring.
15. lens according to claim 14, which is characterized in that
The quantity that the path channels are included the case where with multiple subchannels and the subchannel is two, and the lens include
Internal ring portion and it is set in the outer portion being connected on the outside of the internal ring portion and with the internal ring portion；
Wherein, the plane of incidence is arranged at the internal ring portion and the connecting portion of the outer portion, in the path channels
The middle center exit facet of center channel and the exit facet is set to the internal ring portion, the peripheral subchannel of the path channels and institute
The outer defensive wall exit facet for stating exit facet is set to the outer portion.
16. lens according to claim 15, which is characterized in that
The annular groove for accommodating light source is limited between the internal ring portion and the outer portion.
17. lens according to any one of claim 1 to 9, which is characterized in that
The lens are additionally provided with diffusing structure.
18. lens according to claim 17, which is characterized in that
The diffusing structure includes corrugated surface, scale and shell face or frosting.
19. lens according to claim 17, which is characterized in that
At least light out part corresponding with light source position is equipped with the diffusing structure on the lens.
20. a kind of lamps and lanterns characterized by comprising
Lamp body, including lamp housing and light source；With
Lens as described in any one of claims 1 to 19 are connected with the lamp housing, and the plane of incidence of the lens is towards institute
Light source is stated, the light for issuing the light source enters the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314345.7A CN110043873A (en) | 2019-04-18 | 2019-04-18 | Lens and lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314345.7A CN110043873A (en) | 2019-04-18 | 2019-04-18 | Lens and lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043873A true CN110043873A (en) | 2019-07-23 |
Family
ID=67277665
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314345.7A Pending CN110043873A (en) | 2019-04-18 | 2019-04-18 | Lens and lamps and lanterns |
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| Country | Link |
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| CN (1) | CN110043873A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728502A (en) * | 2020-12-31 | 2021-04-30 | 美智光电科技股份有限公司 | Lens and lamp |
| WO2023088034A1 (en) * | 2021-11-16 | 2023-05-25 | 苏州欧普照明有限公司 | Light guide element and lamp |
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| CN2795878Y (en) * | 2005-02-05 | 2006-07-12 | 黄旭华 | Turning lens and light emitting system using said lens |
| US20070030572A1 (en) * | 2005-08-05 | 2007-02-08 | Chi Lin Technology Co., Ltd. | Lens used for light-emitting diode |
| CN101776242A (en) * | 2009-01-12 | 2010-07-14 | 林万炯 | Side light guiding lens for light emitting diode (LED) light source |
| CN106764939A (en) * | 2016-12-06 | 2017-05-31 | 中山大学 | A kind of collimation lens for eliminating veiling glare |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2795878Y (en) * | 2005-02-05 | 2006-07-12 | 黄旭华 | Turning lens and light emitting system using said lens |
| US20070030572A1 (en) * | 2005-08-05 | 2007-02-08 | Chi Lin Technology Co., Ltd. | Lens used for light-emitting diode |
| CN101776242A (en) * | 2009-01-12 | 2010-07-14 | 林万炯 | Side light guiding lens for light emitting diode (LED) light source |
| CN106764939A (en) * | 2016-12-06 | 2017-05-31 | 中山大学 | A kind of collimation lens for eliminating veiling glare |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112728502A (en) * | 2020-12-31 | 2021-04-30 | 美智光电科技股份有限公司 | Lens and lamp |
| CN112728502B (en) * | 2020-12-31 | 2022-12-06 | 美智光电科技股份有限公司 | Lens and lamp |
| WO2023088034A1 (en) * | 2021-11-16 | 2023-05-25 | 苏州欧普照明有限公司 | Light guide element and lamp |
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Application publication date: 20190723 |