CN105987349A - Lens module capable of changing light emitting angle and lamp - Google Patents
Lens module capable of changing light emitting angle and lamp Download PDFInfo
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- CN105987349A CN105987349A CN201510060590.1A CN201510060590A CN105987349A CN 105987349 A CN105987349 A CN 105987349A CN 201510060590 A CN201510060590 A CN 201510060590A CN 105987349 A CN105987349 A CN 105987349A
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Abstract
The invention relates to a lens module capable of changing the light emitting angle. The lens module comprises a lens body, first lens cups and second lens cups, wherein the first lens cups are arranged on an incident plane of the lens body; first light source accommodating cavities are formed in the first lens cups and are used for accommodating light sources; the second lens cups are arranged adjacent to the first lens cups; the second lens cups and the first lens cups have preset height difference; and second light source accommodating cavities are formed in the second lens cups and are used for accommodating the light sources. The lens module has the advantages that as the second lens cups and the first lens cups have preset height difference, first light exiting angles are obtained when the light sources are accommodated in the first lens cups and exit; and when the light exiting angles of the light sources need to be changed, after the lens body is rotated, the light sources are accommodated in the second lens cups, thus obtaining second light exiting angles. The lens module capable of changing the light emitting angle has the advantages of simple structure and convenience in use. Besides, the invention also provides a lamp with the lens module capable of changing the light emitting angle.
Description
Technical field
The present invention relates to lighting field, particularly relate to lens module and the light fixture of a kind of variable illumination angle.
Background technology
Along with traditional incandescent lamp bulb slowly fades out the arena of history, the forth generation solid state light emitter with LED as representative
Gradually build up the nucleus of leadership status at lighting field.LED (Light Emitting Diode) is with its efficiency
Height, light colour purity, energy consumption are low, life-span length, the advantage such as pollution-free become 21 century competitive novel light
Source.Along with improving constantly of LED light flux and light efficiency, LED is more and more extensive in the application of lighting field.
At present, the LED luminous intensity distribution design of powerful light fixture generally all uses modular connecting method to set
Meter, but, the lighting angle of the light distribution element of modularized design is the most all a fixed value, when needs are adjusted
The when of whole change light emitting region, then need design and change another light distribution element, thus when increasing design
Production cost is too increased while between.
Therefore, it is badly in need of designing a kind of light distribution element that can change lighting angle and production cost can be reduced.
Summary of the invention
The present invention provides the lens module of a kind of variable illumination angle, in order to solve the technology that existing light fixture exists
Problem.Specifically, it is provided that the lens module of a kind of variable illumination angle and light fixture.
The lens module of described variable illumination angle includes:
Lens body；
Least one set the first lens cup, what described lens body was located at by the first lens cup described in least one set enters light
On face, and it is provided with the first light source receiving chamber on the first lens cup described in least one set, in order to accommodate light
Source；
And least one set the second lens cup, the second lens cup described in least one set and described in least one set first
The spaced setting of lens cup, the second lens cup described in least one set and the first lens cup described in least one set it
Between to there is a preset height poor, and be provided with secondary light source on the second lens cup described in least one set and accommodate
Chamber, in order to accommodate light source.
Wherein, the quantity of described first lens cup is set to six groups, and the first lens cup described in six groups is along institute
The length direction stating lens body sets gradually.
Wherein, often organize described first lens cup and all include three described first lens cups, and three described
One lens cup is arranged in order along the width of described lens body.
Wherein, the quantity of described second lens cup is set to six groups, and described in six groups, the second lens cup is along described
The length direction of mirror body is arranged in order setting, and often organizes described second lens cup and be respectively arranged on described in two groups
Between first lens cup.
Wherein, often organize described second lens cup and all include three described second lens cups, and three described
Two lens cups are arranged in order along the width of described lens body.
Wherein, the height of described second lens cup is less than the height of described first lens cup and described default
Difference in height is 0.6mm, and the first light source that multiple described light sources are respectively accommodated in described first lens cup accommodates
Intracavity, and go out light, to obtain first rising angle through described first lens cup；By multiple described light
Source is respectively accommodated in the secondary light source of described second lens cup and accommodates intracavity, and goes out through described second lens cup
Light, to obtain second rising angle, now, the second rising angle is less than the first rising angle.
Wherein, the height of described second lens cup is more than the height of described first lens cup and described default
Difference in height is 0.6mm, and the first light source that multiple described light sources are respectively accommodated in described first lens cup accommodates
Intracavity, and go out light, to obtain first rising angle through described first lens cup；By multiple described light
Source is respectively accommodated in the secondary light source of described second lens cup and accommodates intracavity, and goes out through described second lens cup
Light, to obtain second rising angle, now, the second rising angle is more than the first rising angle.
Wherein, the incidence surface of described lens body being provided with two limited posts, described two limited posts are along institute
The center stating lens body is that diagonal is arranged, in order to limit the company of described lens body and lamp light source assembly
Connect position.
Wherein, the exiting surface of described lens body is provided with scraping prevention structure.
Correspondingly, present invention also offers a kind of light fixture, including the lens module of above-mentioned variable illumination angle
And light source assembly, described light source assembly is fixing with the lens module of described variable illumination angle to be connected, with thoroughly
The lens module crossing described variable illumination angle goes out light.
Relative to prior art, the lens module of this variable illumination angle is by arranging first in lens body
Lens cup and the second lens cup, and make to exist between the second lens cup and the first lens cup a preset height
Difference, when light source being placed in the first lens cup, now, it is possible to obtain one first through the first lens cup
Rising angle.And when needing the rising angle changing light source, then after needing to rotate this lens body, then will
Light source is placed in the second lens cup such that it is able to obtain second rising angle.Thus without increasing by one
Individual new light distribution element, greatly reduces production cost.The lens module of this variable illumination angle has knot
Structure is simple, advantage easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, below by use required in embodiment
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Mode, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the light fixture that the embodiment of the present invention provides；
Fig. 2 is the structural representation of the lens module of the variable illumination angle that the embodiment of the present invention provides；
Fig. 3 is the schematic diagram at another visual angle of Fig. 2；
Fig. 4 is the side view of Fig. 2；
Fig. 5 is that the V of Fig. 4 is to partial enlarged drawing；
Fig. 6 is light source assembly and the scheme of installation of the first lens cup；
Fig. 7 is light source assembly and the scheme of installation of the second lens cup；
Fig. 8 is light source assembly and the surface of intensity distribution of the first lens cup；
Fig. 9 is light source assembly and the surface of intensity distribution of the second lens cup.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention, and not
It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the property made work premise, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of light fixture 100, and it includes the lens of variable illumination angle
Module 10 and light source assembly 20, described light source assembly 20 and the lens module 10 of described variable illumination angle
Fixing connection.
See also Fig. 2 to Fig. 3, the lens module 10 of described variable illumination angle include lens body 11,
Least one set the first lens cup 12 and least one set the second lens cup 13, the first lens cup described in least one set
12 and least one set the second lens cup 13 be all located in described lens body 11.
In the present embodiment, described lens body 11 is square block structure.Described lens body 11 uses light
Classes and grades in school transparent plastic material is made, in order to reduce the total quality of described light fixture 100.It is understood that
In other embodiments, described lens body 11 can be also other structures, such as circular block shape structure or U-shaped block
Shape structure.Described lens body 11 may be used without glass material and makes.
Described lens body 11 includes an incidence surface 11a and exiting surface 11b, on described incidence surface 11a
Offer a host cavity 111, the first lens cup 12 described in least one set and least one set the second lens cup
13 all house and are fixed in described host cavity 111.In the present embodiment, described host cavity 111 is rectangular cavity
Body, the diapire of described host cavity 111 uses surface atomizing to process such that it is able to make by described light sources
Part 20 is connected with described lens body 11 and passes through described lens body 11 when going out light, it is possible to reduce periphery miscellaneous
Astigmatism or the impact of direct reflection, prevent the generation of not clear dazzle.Also may be used additionally, use surface atomizing to process
Further enhance the decorative effect of described lens body 11.
Two limited posts 112, two described limited post 112 edges it are further provided with on described incidence surface 11a
The paired linea angulata in center of described lens body 11 is arranged, in order to limit described lens body 11 and described light source
The link position of assembly 20.In the present embodiment, described two limited posts 112 are stud.Described two limits
Position post 112 is to be symmetrical arranged along the diagonal of described lens body 11, in order to described light source assembly 20
During connection, it is possible to the position of fixing described light source assembly, prevent the displacement of described light source assembly and cause go out light
The problem that effect is undesirable.It is understood that in other embodiments, two described limited posts 112 are also
Can be square positive stop lug boss or spacing draw-in groove etc..
It is additionally provided with sealing surface 113 on described incidence surface 11a, seals structure in order to place sealing ring or other,
To ensure the sealing that described lens body 11 is connected with the housing of described light fixture 100.In the present embodiment, institute
State the upper surface that sealing surface 113 is described incidence surface 11a, when by described incidence surface 11a and described light fixture 100
Housing connect time, can arrange between described sealing surface 113 and described housing sealing ring or other seal
Structure, by the attachment force between described sealing surface 113 and described housing by described sealing ring or other sealings
Structure clamps.It is understood that in other embodiments, also one can be offered on described incidence surface 11a
Sealed groove, by being positioned over described sealing ring or other sealing structures in described sealed groove, it is possible to rise
To waterproof sealing effect.
In order to further improve, described incidence surface 11a is further opened with multiple connection draw-in groove 114, in order to
The housing of described light fixture 100 connects.In the present embodiment, described connection draw-in groove 114 enters light described in being opened in
The U-shaped draw-in groove of the peripheral region of face 11a.Multiple described connection draw-in grooves 114 are connected with described housing by screw,
So that described lens body 11 is connected with described housing.
It is provided with scraping prevention structure 115 on described exiting surface 11b.In the present embodiment, described exiting surface 11b uses
Surface atomizing processes, and to reduce the impact of periphery veiling glare or direct reflection, is also prevented from not clear dizzy simultaneously
The generation of light.Described scraping prevention structure 115 is the cylinder being convexly equipped on described exiting surface 11b, and concrete,
Described scraping prevention structure 115 is set to four, and four described scraping prevention structures 115 are along the center of described exiting surface 11b
In quadrangular array in the surrounding of described exiting surface 11b.Four described scraping prevention structures 115 are prevented from described
Lens body 11 affects its light-out effect when placing or carry owing to easily scratching.It is understood that
In other embodiments, described scraping prevention structure 115 can be also the square boss being located on described exiting surface 11b
Deng.
Referring to Fig. 4 to Fig. 7, described in least one set, entering of described lens body 11 be located at by the first lens cup 12
On bright finish 11a.In the present embodiment, the material of described first lens cup 12 is optical grade plastic material, to subtract
Light overall quality.The quantity of described first lens cup 12 is set to six groups, wants meeting luminous intensity distribution and illumination
Ask.Described in six groups, the first lens cup 12 sets gradually along the length direction of described lens body 11, and often
Organize and be provided with identical spacing between described first lens cup 12.It is understood that in other embodiments
In, the quantity that arranges of described first lens cup 12 can be also two groups, three groups, four groups or more groups.
In the present embodiment, often organize described first lens cup 12 and all include three described first lens cups 12, and
Three described first lens cups 12 arrange along the width of described lens body 11, to meet light distribution requirements.
All offer the first light source on each described first lens cup 12 and accommodate chamber 121, in order to accommodate described light sources
The light source 21 of part 20.It is understood that in other embodiments, described first lens cup 12 is often organized also
One, two or more lens cup can be included.
Second lens cup 13 described in least one set and the first spaced setting of lens cup 12 described in least one set,
And there is preset height difference H between described second lens cup 13 and described first lens cup 12.This
In embodiment, the material of described second lens cup 13 is optical grade plastic material, to alleviate the quality of entirety.
The quantity of described second lens cup 13 is set to six groups, and the second lens cup 13 described in six groups is along described lens originally
The length direction of body 11 is arranged in order, and often organizes described second lens cup 13 and be respectively arranged on described in two groups
Between one lens cup 12, arrange so that described first lens cup 12 and the second lens cup 13 form interval
Arrangement mode.It is understood that in other embodiments, the quantity of described second lens cup 13 also may be used
It is set to two groups, three groups, four groups or more groups.
In the present embodiment, often organize described second lens cup 13 and all include three described second lens cups 13, and
Three described second lens cups 13 are arranged in order along the width of described lens body 11, to meet luminous intensity distribution
Requirement.It is understood that in other embodiments, the number often organizing described second lens cup 13 also can set
Be set to two, four or more.
In order to further improve, described second lens cup 13 be provided with secondary light source and accommodates chamber 131, use
To accommodate the light source 21 of described light source assembly 20, in order to go out light.
In the present embodiment, when the height of described second lens cup 13 is less than the height of described first lens cup 12,
And when described preset height difference H is 0.6mm, now, described light source 21 is contained in described first
First light source of lens cup 12 accommodates in chamber 121, and goes out light through described first lens cup 12, then can obtain
To first lighting angle.In the present embodiment, described first lighting angle is 20 degree.Now, described light
As shown in Figure 8, described light source assembly 20 passes through in the light distribution of source component 20 and described first lens cup 12
Described first lens cup 12 goes out light, ultimately forms the hot spot that one and half light intensity angles are 20 degree.It is appreciated that
, in other embodiments, the value of described preset height difference H also can be according to actual light distribution angle requirement
Adjust.
When needing the rising angle changing described light source 21, then need to revolve the lens 10 of described variable-angle
Turnback so that described second lens cup 13 revolves turnback with the position of described first lens cup 12,
Now, the secondary light source that the light source 21 of described light source assembly 20 is positioned over the second lens cup 13 accommodates chamber 131
In, and go out light by described second lens cup 13, then can get second lighting angle, now, described
Second rising angle is less than described first rising angle.In the present embodiment, described second lighting angle is 10 degree.
Now, described light source assembly 20 with the surface of intensity distribution of described second lens cup 13 as it is shown in figure 9, described
Light source assembly 20 goes out light by described second lens cup 13, obtains the hot spot that one and half light intensity angles are 10 degree.
It is understood that in other embodiments, the value of described preset height difference H also can be according to actual luminous intensity distribution
Angle requirement adjusts.
It is understood that in other embodiments, when the height of described second lens cup 13 is more than described the
The height of one lens cup 12, and described preset height difference H is 0.6mm, now, by described light source 21
The first light source being positioned over described first lens cup 12 accommodates in chamber 121, then can get first beam angle
Spend, and described first rising angle is 10 degree.And when needing the rising angle changing described light source 21,
The lens module 100 of described variable illumination angle is rotated 180 degree, now, described light source 21 is positioned over
The secondary light source of described second lens cup 13 accommodates in chamber 131, then can get second rising angle.This
Time, described second rising angle is more than the first rising angle, and described second rising angle is 20 degree.
Referring to Fig. 1, described light source assembly 20 includes multiple light source 21 and aluminium base 22, multiple
Described light source 21 is electrically connected on described aluminium base 22.In the present embodiment, multiple described light sources 21 are LED
Lamp, and multiple described light source 21 be uncle bright light source, to meet light distribution requirements.Multiple described light sources 21 exist
Arrangement mode on described aluminium base 22 and described first lens cup 12 or the arrangement mode of the second lens cup 13
Unanimously, therefore repeat no more here.
Described aluminium base 22 is fixing with described lens body 11 to be connected, so that multiple described light source 21 can be saturating
Cross described first lens cup 12 or the second lens cup 13 goes out light.In the present embodiment, described aluminium base 22 passes through
Screw is fixing with described lens body 11 to be connected, and in order to be further ensured that its link position, described aluminum base
On plate 22, the most described two limited posts 112 are provided with spacing hole 221, to prevent described aluminium base 22 and institute
State and produce displacement when lens body 11 connects and cause described light source 21 cannot be placed in described first light source and hold
Receive chamber 121 or secondary light source accommodate chamber 131 in and affect light-out effect.It is understood that it is real at other
Execute in example, also limited post can be set on described aluminium base 22, described lens body 11 be offered spacing
Groove, to fix its link position.
In order to further improve, described aluminium base 22 is tackled described first lens cup 12 or the second mutually
Lens cup 13 is provided with multiple empty avoiding through hole 222, and the arrangement mode of multiple described empty avoiding through holes 222 is with multiple
The described light source 21 arrangement mode on described aluminium base 22 is consistent.When multiple described light sources 21 are contained in
Time in multiple first light sources receiving chambeies 121, the small end of the most multiple described second lens cups 13 is directed at multiple institutes
State empty avoiding through hole 222 such that it is able to prevent the interference between multiple described second lens cup 13 and aluminium base 22
Connect.When multiple described light sources 21 being contained in secondary light source and accommodating in chamber 131, now, multiple described
The small end of the first lens cup 12 is directed at multiple described empty avoiding through holes 222, with prevent multiple first lens cup 12 with
Interference between described aluminium base 22 connects.
During installation, described aluminium base 22 is connected with described lens body 11, and makes to be fixed on described aluminum
Multiple described light source 21 on substrate 22 can be placed in the first light source of described first lens cup 12 and accommodate chamber
In 121, now, multiple described light sources 21 go out light through described first lens cup 12, then can get one
First lighting angle of 20 degree.And when needing the rising angle changing described light source 21, by described aluminium base
22 separate with described lens body 11, then described lens body 11 are revolved turnback so that Duo Gesuo
State light source 21 can be contained in the secondary light source receiving chamber 131 of described second lens cup 13, and through institute
State the second lens cup 13 and go out light, now, then can get first lighting angle of 10 degree, by rotating
Described lens body 11 changes angle, thus instead of existing employing and re-work a new light distribution element
Mode, thus greatly reduce production cost.
Relative to prior art, the lens module of described variable illumination angle is by arranging the in lens body
One lens cup and the second lens cup, and make between the second lens cup and the first lens cup, to there is a default height
It is poor to spend, when light source is placed in the first lens cup, now, it is possible to obtain one through the first lens cup
One rising angle.And when needing the rising angle changing light source, then after needing to rotate this lens body, then
Light source is placed in the second lens cup such that it is able to obtain second rising angle.Thus without increasing
One new light distribution element, greatly reduces production cost.The lens module of this variable illumination angle has
Simple in construction, advantage easy to use.
Last it is noted that above example is only in order to illustrate technical scheme, rather than it is limited
System；Although the present invention being described in detail with reference to previous embodiment, those of ordinary skill in the art
Work as understanding: the technical scheme described in foregoing embodiments still can be modified by it, or to wherein
Portion of techniques feature carries out equivalent；And these amendments or replacement, do not make the basis of appropriate technical solution
Matter departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the lens module of a variable illumination angle, it is characterised in that the lens of described variable illumination angle
Module includes:
Lens body；
Least one set the first lens cup, what described lens body was located at by the first lens cup described in least one set enters light
On face, and it is provided with the first light source receiving chamber on the first lens cup described in least one set, in order to accommodate light
Source；
And least one set the second lens cup, the second lens cup described in least one set and described in least one set first
The spaced setting of lens cup, the second lens cup described in least one set and the first lens cup described in least one set it
Between to there is a preset height poor, and be provided with secondary light source on the second lens cup described in least one set and accommodate
Chamber, in order to accommodate light source.
2. the lens module of variable illumination angle as claimed in claim 1, it is characterised in that described first
The quantity of lens cup is set to six groups, and the first lens cup described in six groups is along the length side of described lens body
To setting gradually.
3. the lens module of variable illumination angle as claimed in claim 2, it is characterised in that often group is described
First lens cup all includes three described first lens cups, and three described first lens cups are along described lens
The width of body is arranged in order.
4. the lens module of variable illumination angle as claimed in claim 3, it is characterised in that described second
The quantity of lens cup is set to six groups, and described in six groups, the second lens cup depends on along the length direction of described lens body
Secondary spread configuration, and often organize described second lens cup and be respectively arranged on described in two groups between the first lens cup.
5. the lens module of variable illumination angle as claimed in claim 4, it is characterised in that often group is described
Second lens cup all includes three described second lens cups, and three described second lens cups are along described lens
The width of body is arranged in order.
6. the lens module of variable illumination angle as claimed in claim 1, it is characterised in that described second
The height of lens cup is less than the height of described first lens cup, and described preset height difference is 0.6mm, will
Multiple described light sources are respectively accommodated in the first light source of described first lens cup and accommodate intracavity, and through described the
One lens cup goes out light, to obtain first rising angle；Multiple described light sources are respectively accommodated in described
The secondary light source of two lens cups accommodates intracavity, and goes out light, to obtain one second through described second lens cup
Rising angle, now, the second rising angle is less than the first rising angle.
7. the lens module of variable illumination angle as claimed in claim 1, it is characterised in that described second
The height of lens cup is more than the height of described first lens cup, and described preset height difference is 0.6mm, will
Multiple described light sources are respectively accommodated in the first light source of described first lens cup and accommodate intracavity, and through described the
One lens cup goes out light, to obtain first rising angle；Multiple described light sources are respectively accommodated in described
The secondary light source of two lens cups accommodates intracavity, and goes out light, to obtain one second through described second lens cup
Rising angle, now, the second rising angle is more than the first rising angle.
8. the lens module of variable illumination angle as claimed in claim 1, it is characterised in that described lens
Be provided with two limited posts on the incidence surface of body, described two limited posts along described lens body center in
Diagonal is arranged, in order to limit the link position of described lens body and lamp light source assembly.
9. the lens module of variable illumination angle as claimed in claim 1, it is characterised in that described lens
It is provided with scraping prevention structure on the exiting surface of body.
10. a light fixture, it is characterised in that described light fixture includes as described in claim 1～9 any one
The lens module of variable illumination angle and light source assembly, described light source assembly and described variable illumination angle
Lens module fixing connect, go out light with the lens module through described variable illumination angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060590.1A CN105987349A (en) | 2015-02-05 | 2015-02-05 | Lens module capable of changing light emitting angle and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060590.1A CN105987349A (en) | 2015-02-05 | 2015-02-05 | Lens module capable of changing light emitting angle and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105987349A true CN105987349A (en) | 2016-10-05 |
Family
ID=57037140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510060590.1A Pending CN105987349A (en) | 2015-02-05 | 2015-02-05 | Lens module capable of changing light emitting angle and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105987349A (en) |
Cited By (1)
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| CN110933804A (en) * | 2019-11-29 | 2020-03-27 | 广东洲明节能科技有限公司 | Lamp, and lamp angle control system and method |
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Application publication date: 20161005 |
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| RJ01 | Rejection of invention patent application after publication |