CN207962539U - A kind of lens - Google Patents
A kind of lens Download PDFInfo
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- CN207962539U CN207962539U CN201820251995.2U CN201820251995U CN207962539U CN 207962539 U CN207962539 U CN 207962539U CN 201820251995 U CN201820251995 U CN 201820251995U CN 207962539 U CN207962539 U CN 207962539U
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Abstract
The utility model discloses a kind of lens, including upper surface, lower surface and the host cavity for accommodating external light source component；Host cavity is arranged in lens, and lower surface offers the opening for being connected to outer and host cavity；Host cavity includes at least three face incidence surfaces including the first incidence surface, the second incidence surface and third incidence surface；First incidence surface and the second incidence surface are located relatively at the both sides of host cavity, and third incidence surface is mutually linked between the first incidence surface and the second incidence surface and respectively with the first incidence surface and the second incidence surface to form the cavity wall of host cavity；Upper surface includes at least three face light-emitting surfaces including the first light-emitting surface, the second light-emitting surface and third light-emitting surface.The light branch that it can be such that external light source component is emitted is more uniform, and light angle bigger, range is wider, improves light utilization ratio.
Description
Technical field
The utility model is related to a kind of lighting apparatus accessory more particularly to a kind of lens.
Background technology
Currently, the lens commonly used in the displays such as television backlight, ceiling lamp and advertising lamp box or lighting area, thoroughly
Mirror is the optical element that the surface made of transparency material is piece, there is two kinds of a plastic lens and glass lens, and LED
Lens are closely connected with LED can enhance the service efficiency and luminance of light together, and can be used according to different-effect,
In general, LED lens need the double grading for having both wide-angle light extraction and uniform light extraction.
However, existing lens are limited by itself shape, structure so that the light that light source is sent out passes through the two of lens
After secondary light distribution, light-emitting angle is smaller, and the uniformity is bad, cannot be effectively formed polarizers of big angle scope light extraction and the effect of high evenness
Fruit.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of lens, can realize light
The uniform light extraction of line, and the effect that light-emitting angle is big, range is big.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of lens, including upper surface, lower surface and the host cavity for accommodating external light source component；The host cavity
It is arranged in the lens, the lower surface offers the opening for being connected to the outer and the host cavity；It is described
Host cavity includes at least three face incidence surfaces including the first incidence surface, the second incidence surface and third incidence surface；Described first enters light
Face and second incidence surface are located relatively at the both sides of the host cavity, the third incidence surface be located at first incidence surface and
It is mutually linked between second incidence surface and respectively with first incidence surface and second incidence surface to form the receipts
The cavity wall of vessel；The upper surface includes at least three face light extractions including the first light-emitting surface, the second light-emitting surface and third light-emitting surface
Face；
The light projected by external light source component enters light from first incidence surface, second incidence surface and the third
Face enters the lens, and the light of the lens is entered through first incidence surface and second incidence surface, partly passes through described
First light-emitting surface and second light-emitting surface are reflected into the lower surface and go out from upper surface, first after being reflected by the lower surface
It is emitted in smooth surface and the second light-emitting surface, another part light then directly goes out through first light-emitting surface and second light-emitting surface
It penetrates；The light for entering the lens by the third incidence surface is then directly over the third light-emitting surface outgoing.
Further, the lens are axially symmetric structure；The third light-emitting surface is arranged in first light-emitting surface and institute
Between stating the second light-emitting surface, first light-emitting surface and second light-emitting surface are mutually linked with the third light-emitting surface respectively；
First light-emitting surface is oppositely arranged with first incidence surface, and second light-emitting surface is opposite with second incidence surface to be set
It sets, the third light-emitting surface is oppositely arranged with the third incidence surface.
Further, first incidence surface, second incidence surface and the third incidence surface are curved surface.
Further, first incidence surface, second incidence surface and the third incidence surface are along far from described
Accommodate the curved surface of cavity direction protrusion；First incidence surface, second incidence surface and the third incidence surface be mutually linked with
First incidence surface, second incidence surface and the third incidence surface three section is set to connect and compose " V " shape structure.
Further, first light-emitting surface, second light-emitting surface and the third light-emitting surface are curved surface.
Further, first light-emitting surface and second light-emitting surface are to be protruded along far from the receiving cavity direction
Curved surface, the third light-emitting surface are along the curved surface close to the receiving cavity direction protrusion.
Further, reflection table top is additionally provided between the lower surface and the host cavity；The reflection table top includes the
One reflecting surface and the second reflecting surface；First reflecting surface one end is connect with the lower surface, and the other end is reflected with described second
Face one end connects, and the other end of second reflecting surface is connect with the host cavity.
Further, first reflecting surface is tilted relative to the lower surface, the extension of the first reflecting surface described in both sides
Line intersection point is located at the top of the lower surface；Second reflecting surface is mutually parallel with the lower surface.
Further, the upper surface further includes being located at first light-emitting surface and second light-emitting surface is mutually remote
From both sides wavy surface；The waveform that the wavy surface surface has multiple tracks consistent with the axially extending direction of the lens is convex
Platform.
Further, the opposite both sides of the lens are additionally provided with buckle；The buckle includes the first button and the second button；
First button is extended towards the both sides far from the lens respectively；Second button is located at first button and institute
It states between lens；The end of first button and second button has extended downwardly back-off；First button falls
The back-off of button and second button is towards on the contrary.
Compared with prior art, the beneficial effects of the utility model are：
External light source component is arranged by host cavity in the inside of lens, and the first incidence surface, the second incidence surface and third enter
Smooth surface linking, which is enclosed, sets the cavity wall to form host cavity, and the light that light source assembly is emitted is allowed to enter light through the first incidence surface, second
Face and third incidence surface enter lens, and the light portion reflected through the first incidence surface and the second incidence surface is through the first light-emitting surface and the
Two light-emitting surfaces are reflected into behind lower surface is reflected into the first light-emitting surface and the outgoing of the second light-emitting surface again, through the first incidence surface and second
Light another part of incidence surface refraction is directly emitted from the first light-emitting surface and the second light-emitting surface after birefringence, makes first to go out
Smooth surface and the second light-emitting surface light-emitting angle are wider, range bigger.In addition, by third incidence surface enter the light of lens then directly from
Third light-emitting surface is emitted, and is made the light-emitting angle branch of the first light-emitting surface, the second light-emitting surface and third light-emitting surface in lens periphery, is made
Light extraction is evenly.
Description of the drawings
Fig. 1 is the utility model lens arrangement schematic diagram；
Fig. 2 is the utility model lens light index path；
Fig. 3 is the utility model assembling structure explosive view；
Fig. 4 is the utility model assembling structure sectional view；
Fig. 5 is one of the utility model lens another kind extended structure schematic diagram；
Fig. 6 is the two of the utility model another kind extended structure schematic diagram.
In figure：10, upper surface；11, the first light-emitting surface；12, the second light-emitting surface；13, third light-emitting surface；14, wavy surface；
20, lower surface；21, table top is reflected；211, the first reflecting surface；212, the second reflecting surface；30, host cavity；31, it is open；32, first
Incidence surface；33, the second incidence surface；34, third incidence surface；40, it buckles；41, the first button；42, the second button；50, exterior light
Source component；60, chassis；70, mask.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Fig. 1~2, in order to allow 50 beam projecting of external light source component, evenly shooting angle is wider wider,
The utility model provides a kind of lens comprising upper surface 10, lower surface 20 and the receipts for accommodating external light source component 50
Vessel 30；Host cavity 30 is arranged in lens, and lower surface 20 offers the opening 31 for being connected to outer and host cavity 30.
As shown in figs. 34, external light source component 50 be preferably LED light, the utility model lens in use, user
Chassis 60 and the mask 70 for being connected with chassis 60 can be coordinated to use, chassis 60 and mask 70 can also be adopted according to user demand
With the polygons such as rectangle, circle, triangle, irregular figure structure, wherein external light source component 50 is fixed on chassis 60,
The opening 31 of lens is directed at external light source component 50 and installs, so that host cavity 30 and the combination formation receiving of 60 upper surface 10 of chassis are outer
The confined space of portion's light source assembly 50, lens are correspondingly arranged according to the concrete structure of external light source component 50, and this example uses bar shaped
LED lamp panel is as external light source component 50, and lens are then used cooperatively by the way of axially extending with external light source component 50,
Also lens head and the tail connection can be made to form the structure of round or ellipse by the way of curve extension, finally as shown in Fig. 5~6
Covering mask 70 makes mask 70 form the space for accommodating lens and external light source component 50 with chassis 60.
Specifically, host cavity 30 include the first incidence surface 32, the second incidence surface 33 and third incidence surface 34 including at least
Three face incidence surfaces；First incidence surface 32 and the second incidence surface 33 are located relatively at the both sides of host cavity 30, and third incidence surface 34 is located at
It is mutually linked with shape between first incidence surface 32 and the second incidence surface 33 and respectively with the first incidence surface 32 and the second incidence surface 33
At the cavity wall of host cavity 30；Upper surface 10 include the first light-emitting surface 11, the second light-emitting surface 12 and third light-emitting surface 13 including extremely
Few three face light-emitting surfaces；
Here, lower surface 20 is preferably fully reflecting surface, the light projected by external light source component 50 from the first incidence surface 32,
Second incidence surface 33 and third incidence surface 34 enter lens, and the light of lens is entered through the first incidence surface 32 and the second incidence surface 33
Line, partly from upper surface after the first light-emitting surface 11 and the second light-emitting surface 12 are reflected into lower surface 20 and are reflected by lower surface 20
10, it is emitted in the first light-emitting surface 11 and the second light-emitting surface 12, another part light is then through the first light-emitting surface 11 and the second light-emitting surface
12 are directly emitted, in this way, the light being emitted again from the first light-emitting surface 11 and the second light-emitting surface 12 through the reflection of lower surface 20 then can be with
The light being emitted after the first light-emitting surface 11 and the refraction of the second light-emitting surface 12 is staggered, so that from the first light-emitting surface 11 and the second light extraction
The light angle that face 12 is emitted is wider, range bigger；Third is then directly over by the light of third incidence surface 34 into lens to go out
Smooth surface 13 is emitted, and the light of third light-emitting surface 13 forms with the emergent ray of the first light-emitting surface 11, the second light-emitting surface 12 more respectively
A shooting angle, so that beam projecting is more uniform.
In order to make beam projecting symmetrically and evenly, lens are axially symmetric structure；Third light-emitting surface 13 is arranged in the first light-emitting surface
11 and second between light-emitting surface 12, and the first light-emitting surface 11 and the second light-emitting surface 12 are mutually linked with third light-emitting surface 13 respectively；The
One light-emitting surface 11 is oppositely arranged with the first incidence surface 32, and the second light-emitting surface 12 is oppositely arranged with the second incidence surface 33, third light extraction
Face 13 is oppositely arranged with third incidence surface 34.First incidence surface 32 and the second incidence surface 33, the first light-emitting surface 11 and the second light extraction
Face 12 is that mirror image is oppositely arranged and structure is identical, and third incidence surface 34 and third light-emitting surface 13 are then axially symmetric structure.
Specifically, the first incidence surface 32, the second incidence surface 33 and third incidence surface 34 are curved surface, can also be plane.
Further, the first incidence surface 32, the second incidence surface 33 and third incidence surface 34 are along far from 30 side of host cavity
To the curved surface of protrusion；First incidence surface 32, the second incidence surface 33 and third incidence surface 34 are mutually linked so that the first incidence surface 32,
Second incidence surface 33 and 34 section of third incidence surface connect and compose " V " shape structure.
Specifically, the first light-emitting surface 11, the second light-emitting surface 12 and third light-emitting surface 13 are curved surface, also can be plane.
Further, the first light-emitting surface 11 and the second light-emitting surface 12 are the curved surface along separate 30 direction of host cavity protrusion,
Third light-emitting surface 13 is along the curved surface close to 30 direction of host cavity protrusion.
In order to allow 50 light utilization ratio higher of external light source component, reflection is additionally provided between lower surface 20 and host cavity 30
Table top 21；It includes the first reflecting surface 211 and the second reflecting surface 212 to reflect table top 21；First reflecting surface, 211 one end and lower surface 20
Connection, the other end are connect with 212 one end of the second reflecting surface, and the other end of the second reflecting surface 212 is connect with host cavity 30.
Specifically, the first reflecting surface 211 is tilted relative to lower surface 20, the extending line intersection point of the first reflecting surface of both sides 211
Top positioned at lower surface 20；Second reflecting surface 212 is mutually parallel with lower surface 20.Preferably, reflection 21 height of table top is less than
External light source component 50, according to LED lamp panel as external light source component 50, then LED lamp panel need to be highly less than by reflecting table top 21
Thickness, when external light source component 50 is powered on, light is from the first incidence surface 32, the second incidence surface 33 and third incidence surface
34 enter lens, and the fraction light that lens are entered from the first incidence surface 32 and the second incidence surface 33 can be by 11 He of the first light-emitting surface
Second light-emitting surface 12 is reflected on lower surface 20 and the first reflecting surface 211 and the second reflecting surface 212, and lower surface 20, first is anti-
Face 211 and the second reflecting surface 212 is penetrated then to go out light back to the first light-emitting surface 11 and the second light-emitting surface 12 progress light
It penetrates, since the first reflecting surface 211 and 212 angle of the second reflecting surface and height are different, then the angle that reflection light is brought is not yet
Together, allow the first light-emitting surface 11 and 12 emergent ray angle of the second light-emitting surface and range wider.
Upper surface 10 further includes the wave for being located at the both sides that the first light-emitting surface 11 and the second light-emitting surface 12 are located remotely from each other
Face 14；The waveform boss that 14 surface of wavy surface has multiple tracks consistent with the axially extending direction of lens, waveform boss can allow small
The light that part is emitted from upper surface 10 is reflected by multiple waveform boss into multiple beam projecting angles, allow beam projecting more
Uniformly.
The opposite both sides of lens are additionally provided with buckle 40；Buckle 40 includes the first button 41 and the second button 42；First button
41 are extended towards the both sides far from lens respectively；Second button 42 is between the first button 41 and lens；First button 41
Extended downwardly back-off with the end of the second button 42, back-off for 60 removable fastening of chassis；First button 41
Back-off and the back-off of the second button 42 are towards on the contrary, make 40 structure of buckle more consolidation.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (10)
1. a kind of lens, including upper surface, lower surface and the host cavity for accommodating external light source component；The host cavity is set
It sets in the lens, the lower surface offers the opening for being connected to the outer and the host cavity；Its feature
It is：
The host cavity includes at least three face incidence surfaces including the first incidence surface, the second incidence surface and third incidence surface；It is described
First incidence surface and second incidence surface are located relatively at the both sides of the host cavity, and the third incidence surface is located at described first
It is mutually linked with shape between incidence surface and second incidence surface and respectively with first incidence surface and second incidence surface
At the cavity wall of the host cavity；The upper surface include the first light-emitting surface, the second light-emitting surface and third light-emitting surface including at least
Three face light-emitting surfaces；
The light projected by external light source component from first incidence surface, second incidence surface and the third incidence surface into
Enter the lens, the light of the lens is entered through first incidence surface and second incidence surface, partly through described first
Light-emitting surface and second light-emitting surface be reflected into the lower surface and reflected by the lower surface after from upper surface, the first light-emitting surface
It is emitted in the second light-emitting surface, another part light is then directly emitted through first light-emitting surface and second light-emitting surface；By
The light that the third incidence surface enters the lens is then directly over the third light-emitting surface outgoing.
2. lens as described in claim 1, it is characterised in that：The lens are axially symmetric structure；The third light-emitting surface is set
Set between first light-emitting surface and second light-emitting surface, first light-emitting surface and second light-emitting surface respectively with institute
Third light-emitting surface is stated to be mutually linked；First light-emitting surface is oppositely arranged with first incidence surface, second light-emitting surface with
Second incidence surface is oppositely arranged, and the third light-emitting surface is oppositely arranged with the third incidence surface.
3. lens as claimed in claim 1 or 2, it is characterised in that：First incidence surface, second incidence surface and described
Third incidence surface is curved surface.
4. lens as claimed in claim 3, it is characterised in that：First incidence surface, second incidence surface and described
Three incidence surfaces are along the curved surface far from the receiving cavity direction protrusion；First incidence surface, second incidence surface and institute
Third incidence surface is stated to be mutually linked so that first incidence surface, second incidence surface and the third incidence surface three section
Connect and compose " V " shape structure.
5. lens as claimed in claim 1 or 2, it is characterised in that：First light-emitting surface, second light-emitting surface and described
Third light-emitting surface is curved surface.
6. lens as claimed in claim 5, it is characterised in that：First light-emitting surface and second light-emitting surface are along remote
Curved surface from the receiving cavity direction protrusion, the third light-emitting surface are along the curved surface close to the receiving cavity direction protrusion.
7. lens as claimed in claim 2, it is characterised in that：Reflection platform is additionally provided between the lower surface and the host cavity
Face；The reflection table top includes the first reflecting surface and the second reflecting surface；First reflecting surface one end is connect with the lower surface,
The other end is connect with second reflecting surface one end, and the other end of second reflecting surface is connect with the host cavity.
8. lens as claimed in claim 7, it is characterised in that：First reflecting surface is tilted relative to the lower surface, and two
The extending line intersection point of first reflecting surface described in side is located at the top of the lower surface；Second reflecting surface and the lower surface phase
It is mutually parallel.
9. lens as described in claim 1, it is characterised in that：The upper surface further includes being located at first light-emitting surface
The wavy surface for the both sides being located remotely from each other with second light-emitting surface；There is multiple tracks axially to prolong with the lens on the wavy surface surface
Stretch the consistent waveform boss in direction.
10. lens as described in claim 1, it is characterised in that：The opposite both sides of the lens are additionally provided with buckle；The buckle
Including the first button and the second button；First button is extended towards the both sides far from the lens respectively；Described second
Button is between first button and the lens；The end of first button and second button extends downwardly
There is back-off；The back-off of first button and the back-off of second button are towards on the contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251995.2U CN207962539U (en) | 2018-02-11 | 2018-02-11 | A kind of lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820251995.2U CN207962539U (en) | 2018-02-11 | 2018-02-11 | A kind of lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207962539U true CN207962539U (en) | 2018-10-12 |
Family
ID=63739366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820251995.2U Active CN207962539U (en) | 2018-02-11 | 2018-02-11 | A kind of lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207962539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110135210A (en) * | 2019-05-15 | 2019-08-16 | 深圳市民德电子科技股份有限公司 | A kind of bar code recognizing apparatus and its suggestion device |
-
2018
- 2018-02-11 CN CN201820251995.2U patent/CN207962539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110135210A (en) * | 2019-05-15 | 2019-08-16 | 深圳市民德电子科技股份有限公司 | A kind of bar code recognizing apparatus and its suggestion device |
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