CN207112701U - A kind of lens and the light fixture for plate face illumination - Google Patents
A kind of lens and the light fixture for plate face illumination Download PDFInfo
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- CN207112701U CN207112701U CN201720977806.5U CN201720977806U CN207112701U CN 207112701 U CN207112701 U CN 207112701U CN 201720977806 U CN201720977806 U CN 201720977806U CN 207112701 U CN207112701 U CN 207112701U
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Abstract
It the utility model is related to lighting technical field, a kind of light fixture more particularly to lens and for plate face illumination, the lens, including lens body, the lens body includes the plane of incidence being engaged with light source and the exit facet being engaged with plate face to be illuminated, at least one region is the first incident area in the plane of incidence, at least one region is the first exit area in the exit facet, first incident area and the first exit area are corresponding with the dipped beam side region of plate face to be illuminated, make the light that the lens body is refracted into by first incident area, through first exit area refraction in the dipped beam side region.The lens of the application, by setting the first incident area and the first exit area, ensure the illumination of dipped beam side region, further, moreover, for compared to conventionally employed reverse reflector structure, using the lens of the application, the luminous flux that light source is sent is not lost on reflector, so, ensure good light source utilization rate.
Description
Technical field
It the utility model is related to lighting technical field, and in particular to a kind of lens and the light fixture for plate face illumination.
Background technology
In lighting technical field, in order to realize good illuminating effect, in different lighting environments, generally it is required for
From the illuminator being adapted with lighting environment, in plate face lighting environment, generally being intended to require that whole panel can
Irradiated by light, such as the blackboard lights for blackboard illumination.
Current blackboard lights, in order to avoid the influence to user, and the possibility being blocked is reduced, so generally all
Be mounted near the upper edge of blackboard, but due to the limitation of lighting angle, the dipped beam side part of blackboard be generally difficult to by
Irradiation, the problem of causing blackboard top area dark.
In order to solve the above problems, usual method is to set reflector at present, is reflexed to some light by reflector
The top half of blackboard, blackboard top half is also at illuminated state with this, it is dark to solve above-mentioned blackboard top area
The problem of.
With further further investigation, invention is found, the mode of above-mentioned setting reflector, still also there are deficiency,
Essentially consist in：On the one hand, the light that light source is sent, when being reflected through reflector, luminous flux has certain loss, on the other hand,
Also there is the problem of uniformity is not high in reflected light line, so illuminating effect is not good.
So based on above mentioned problem, current needs are related to a kind of plate face that is used for and illuminated, and can reduce luminous flux and lose, and
And improve the fitting structure of illuminating effect.
The content of the invention
The purpose of this utility model is：For luminous flux loss and maintaining uniform illumination existing for current plate face illuminating lamp
The problem of degree is not high, there is provided one kind is used for plate face and illuminated, and can reduce luminous flux loss, and improve the light fixture knot of illuminating effect
Structure.
In order to realize above-mentioned technique effect, the application is adopted the technical scheme that：
A kind of lens, including lens body, the lens body are arranged on the side of plate face to be illuminated, and the light source is sent
Light be radiated at after the lens body in the plate face to be illuminated, the plate face to be illuminated is included close to the lens sheet
The dipped beam side region of body and the distance light side region away from the lens body, are located at the dipped beam lateral areas in the plate face to be illuminated
Part between domain and distance light side region is intermediate region, and the lens body includes the plane of incidence being engaged with light source and with treating
The exit facet that is engaged of illumination plate face, at least one region is the first incident area in the plane of incidence, in the exit facet
At least one region is the first exit area, first incident area and the first exit area and the plate face to be illuminated
Dipped beam side region is corresponding, makes the light that the lens body is refracted into by first incident area, goes out through described first
Region refraction is penetrated in the dipped beam side region.
The lens of the application, the light sent by lens on light source are adjusted, and are then radiated in plate face to be illuminated,
By setting the first incident area and the first exit area, the which part for making light source emit beam to be radiated at plate face to be illuminated
Dipped beam side region, in this way, ensure dipped beam side region illumination, further, moreover, compared to conventionally employed reverse reflector structure and
Speech, using the lens of the application, the luminous flux that light source is sent does not lose tradition on reflector, so, ensure good light
Source utilization rate.
Preferably, first incident area and/or the first exit area are arc light distribution surface, are made incident by described first
Region is refracted into the light of the lens body, after being reflected through first exit area, is evenly distributed in the dipped beam
In side region.
, can be with by the way that the first incident area and/or the first exit area are arranged into arc light distribution surface in such scheme
Adjustment is entered to the light of appropriate section, and then ensures the illuminated uniformity of irradiation area, and then ensures good lighting quality.
Preferably, at least one region is the second incident area in the plane of incidence, at least one in the exit facet
Individual region is the second exit area, second incident area and the second exit area and the distance light lateral areas of the plate face to be illuminated
Domain is corresponding, makes the light that the lens body is refracted into by second incident area, is rolled over through second exit area
Penetrate in the distance light side region.
Preferably, second incident area and/or the second exit area are arc light distribution surface, are made incident by described second
Region is refracted into the light of the lens body, after being reflected through second exit area, is evenly distributed in the distance light
In side region.
Preferably, at least one region is the 3rd incident area in the plane of incidence, at least one in the exit facet
Individual region is the 3rd exit area, the 3rd incident area and the 3rd exit area and the intermediate region of the plate face to be illuminated
It is corresponding, make the light that the lens body is refracted into by the 3rd incident area, reflected through the 3rd exit area
In the middle side region.
Preferably, the 3rd incident area and/or the 3rd exit area are arc light distribution surface, are made incident by the described 3rd
Region is refracted into the light of the lens body, after being reflected through the 3rd exit area, is evenly distributed in the centre
On region.
Described above, using the application lens, in plate face to be illuminated, dipped beam side region, distance light side region and middle area
Domain corresponds to the different planes of incidence and exit facet of lens respectively, in this way, convenient enter to adjust to the irradiation light in regional, and then
Easily ensure good illuminating effect；
Preferably, the intermediate region there are intersection with the dipped beam side region.
Preferably, the intermediate region there are intersection with the distance light side region.
Exist in plate face to be illuminated, between region and overlap so that, light beam is also radiated at different areas corresponding to each region
On domain, in this way, further improving the illuminated uniformity of plate face to be illuminated.
Preferably, first incident area is located at the plane of incidence close to the side of the plate face to be illuminated, and described
Two incident areas are located at side of the plane of incidence away from the plate face to be illuminated, enter positioned at first incident area with second
The plane of incidence penetrated between region is the 3rd incident area.
Preferably, first exit area is located at the exit facet close to the side of the plate face to be illuminated, and described
Two exit areas are located at side of the exit facet away from the plate face to be illuminated, go out positioned at first exit area with second
The exit facet penetrated between region is the 3rd exit area.
Using above-mentioned set-up mode, the light that light source is sent is sequentially distributed in plate face to be illuminated, facilitates each illumination
The adjustment of light corresponding to region.
Preferably, the lens body also includes reflecting surface, and lens body is refracted into by second incident area
Light, through the reflective surface to second exit area, then refracted to by second exit area and described wait to shine
The distance light side region in isotropic disk face.On the one hand it is in ensure that light source emits beam, away from plate face to be illuminated by setting reflecting surface
Part can also be utilized, ensure the utilization rate of light source, on the other hand, also due to the increase of reflecting surface, also increases lens
Body further facilitates the control of the illumination region uniformity to the adjustment capability of some light.
Preferably, lens body is strip, and it matches with the plate face length to be illuminated.Ensure whole plate to be illuminated
Face can illuminate
Preferably, the plane of incidence depression is cavity type, and the light source is arranged in depression, the light for sending the light source
Line is all refracted into the lens body by the plane of incidence.In this way, further ensure the utilization rate that light source emits beam.
Disclosed herein as well is a kind of light fixture, including above-mentioned lens, in addition to the light being engaged with the lens body
Source.
Preferably, the light source is strip light source or the strip structure being arranged in by some light source cells.
The light fixture of the application, as a result of above-mentioned lens arrangement, the illuminating effect to board face structure is not only ensure that,
The loss of luminous flux is also avoid simultaneously.
The beneficial effect of the application lens is：
The lens of the application, the light sent by lens on light source are adjusted, and are then radiated in plate face to be illuminated,
By setting the first incident area and the first exit area, the which part for making light source emit beam to be radiated at plate face to be illuminated
Dipped beam side region, in this way, ensure dipped beam side region illumination, further, moreover, compared to conventionally employed reverse reflector structure and
Speech, using the lens of the application, the luminous flux that light source is sent is not lost on reflector, so, ensure good light source profit
With rate.
Brief description of the drawings
Fig. 1 is the structural representation of the application lens；
Fig. 2 is the light path schematic diagram of the application lens arrangement；
Fig. 3 is light path schematic diagram when intermediate region and other regions of plate face to be illuminated there are intersection,
Marked in figure：1- lens bodies, 2-plate face to be illuminated, 3- dipped beam side regions, 4- distance light side regions, 5- middle areas
Domain, 6- light sources, 7- exit facets, the incident areas of 8- first, the exit areas of 9- first, the incident areas of 10- second, 11- second are emitted
Region, the incident areas of 12- the 3rd, the exit areas of 13- the 3rd, 14- reflectings surface.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
Embodiment 1, as Figure 1-3,
A kind of lens, including lens body 1, the lens body 1 are arranged on the side of plate face 2 to be illuminated, the light source 6
The light sent is radiated at after the lens body 1 in the plate face to be illuminated 2, and the plate face 2 to be illuminated is included close to institute
The dipped beam side region 3 of lens body 1 and the distance light side region 4 away from the lens body 1 are stated, the plate face 2 to be illuminated is upper
Part between the dipped beam side region 3 and distance light side region 4 is intermediate region 5, and the lens body 1 includes and light source 6
The plane of incidence being engaged and the exit facet 7 being engaged with plate face 2 to be illuminated, at least one region is first in the plane of incidence
Incident area 8, at least one region is the first exit area 9 in the exit facet 7, first incident area 8 and first
Exit area 9 is corresponding with the dipped beam side region 3 of the plate face 2 to be illuminated, makes to be refracted into institute by first incident area 8
The light of lens body 1 is stated, is reflected through first exit area 9 in the dipped beam side region 3.
The lens of the application, the light sent by lens on light source 6 are adjusted, and are then radiated at plate face to be illuminated
On, by setting the first incident area 8 and the first exit area 9, the which part for making light source 6 emit beam to be radiated to be illuminated
The dipped beam side region 3 of plate face 2, in this way, ensureing the illumination of dipped beam side region 3, further, moreover, anti-compared to conventionally employed
For light plate structure, using the lens of the application, the luminous flux that light source 6 is sent is not lost on reflector, so, ensure good
The good utilization rate of light source 6.
As one of which embodiment, on the basis of said structure, further, first incident area 8 and/
Or first exit area 9 be arc light distribution surface, make the light that the lens body 1 is refracted into by first incident area 8,
After being reflected through first exit area 9, it is evenly distributed in the dipped beam side region 3.
, can by the way that the first incident area 8 and/or the first exit area 9 are arranged into arc light distribution surface in such scheme
To enter adjustment to the light of appropriate section, and then ensure the illuminated uniformity of irradiation area, and then ensure good illumination matter
Amount.
As one of which embodiment, on the basis of said structure, further, at least one in the plane of incidence
Individual region is the second incident area 10, and at least one region is the second exit area 11 in the exit facet 7, and described second enters
The distance light side region 4 that the exit area 11 of region 10 and second is penetrated with the plate face 2 to be illuminated is corresponding, makes incident by described second
Region 10 is refracted into the light of the lens body 1, is reflected through second exit area 11 in the distance light side region 4
On.
As one of which embodiment, on the basis of said structure, further, second incident area 10
And/or second exit area 11 be arc light distribution surface, make to be refracted into the lens body 1 by second incident area 10
Light, after being reflected through second exit area 11, it is evenly distributed in the distance light side region 4.
As one of which embodiment, on the basis of said structure, further, at least one in the plane of incidence
Individual region is the 3rd incident area 12, and at least one region is the 3rd exit area 13 in the exit facet 7, and the described 3rd enters
The intermediate region 5 that the exit area 13 of region 12 and the 3rd is penetrated with the plate face 2 to be illuminated is corresponding, makes by the 3rd incidence zone
Domain 12 is refracted into the light of the lens body 1, is reflected through the 3rd exit area 13 on intermediate region 5.
As one of which embodiment, on the basis of said structure, further, the 3rd incident area 12
And/or the 3rd exit area 13 be arc light distribution surface, make to be refracted into the lens body 1 by the 3rd incident area 12
Light, after being reflected through the 3rd exit area 13, it is evenly distributed on the intermediate region 5.
Described above, using the application lens, in plate face to be illuminated, dipped beam side region 3, distance light side region 4 and centre
Region 5 corresponds to the different plane of incidence of lens and exit facet 7 respectively, in this way, convenient enter adjustment to the irradiation light in regional,
And then easily ensure good illuminating effect.
As one of which embodiment, on the basis of said structure, further, the intermediate region 5 with it is described
Dipped beam side region 3 there are intersection.
As one of which embodiment, on the basis of said structure, further, the intermediate region 5 with it is described
Distance light side region 4 there are intersection.
Exist in plate face 2 to be illuminated, between region and overlap so that, light beam is also radiated at different corresponding to each region
On region, in this way, further improving the illuminated uniformity of plate face to be illuminated.
As one of which embodiment, on the basis of said structure, further, first incident area 8
In the plane of incidence close to the side of the plate face 2 to be illuminated, second incident area 10 is located at the plane of incidence away from institute
The side of plate face 2 to be illuminated is stated, the plane of incidence between the incident area 10 of the first incident area 8 and second enters for the 3rd
Penetrate region 12.
As one of which embodiment, on the basis of said structure, further, first exit area 9
In the exit facet 7 close to the side of the plate face 2 to be illuminated, it is remote that second exit area 11 is located at the exit facet 7
The side of the plate face to be illuminated 2, exit facet 7 between the exit area 11 of the first exit area 9 and second are the
Three exit areas 13.
Using above-mentioned set-up mode, the light that light source 6 is sent is sequentially distributed in plate face 2 to be illuminated, facilitates each photograph
The adjustment of light corresponding to the domain of area pellucida.
As one of which embodiment, on the basis of said structure, further, the lens body 1 also includes
There is reflecting surface 14, the light of lens body 1 is refracted into by second incident area 10, institute is reflexed to through the reflecting surface 14
The second exit area 11 is stated, then the distance light side region 4 of the plate face to be illuminated 2 is refracted to by second exit area 11.It is logical
Setting reflecting surface 14 is crossed, is on the one hand in ensure that light source 6 emits beam, the part away from plate face to be illuminated also can be sharp
With the utilization rate of guarantee light source 6, on the other hand, also due to the increase of reflecting surface 14, also increases lens body 1 to the part
The adjustment capability of light, further facilitate the control of the illumination region uniformity.
As one of which embodiment, on the basis of said structure, further, lens body 1 is strip, its
Match with the length of plate face 2 to be illuminated.Ensure that whole plate face 2 to be illuminated can illuminate
As one of which embodiment, on the basis of said structure, further, the plane of incidence depression is cavity
Shape, the light source 6 are arranged in depression, and the light for sending the light source 6 is all refracted into described by the plane of incidence
Mirror body 1.In this way, further ensure the utilization rate that light source 6 emits beam.
Embodiment 2, as Figure 1-3,
A kind of light fixture, including the lens described in embodiment 1, in addition to the light source 6 being engaged with the lens body 1.
As one of which embodiment, on the basis of said structure, further, the light source 6 is strip light
Source 6 or the strip structure being arranged in by some units of light source 6.
The light fixture of the application, as a result of above-mentioned lens arrangement, the illuminating effect to board face structure is not only ensure that,
The loss of luminous flux is also avoid simultaneously.
All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., all should be wrapped
It is contained within the scope of protection of the utility model.
Claims (15)
1. a kind of lens, including lens body, the lens body is arranged on the side of plate face to be illuminated, the light that light source is sent
It is radiated at after the lens body in the plate face to be illuminated, it is characterised in that：The plate face to be illuminated is included close to described
The dipped beam side region of lens body and the distance light side region away from the lens body, positioned at described near in the plate face to be illuminated
Part between light side region and distance light side region is intermediate region, and the lens body includes the plane of incidence being engaged with light source
With the exit facet being engaged with plate face to be illuminated, at least one region is the first incident area in the plane of incidence, it is described go out
Penetrate at least one region in face be the first exit area, first incident area and the first exit area with it is described to be illuminated
The dipped beam side region of plate face is corresponding, makes the light that the lens body is refracted into by first incident area, through described
First exit area is reflected in the dipped beam side region.
2. lens according to claim 1, it is characterised in that：First incident area and/or the first exit area are
Arc light distribution surface, make the light that the lens body is refracted into by first incident area, through first exit area
After refraction, it is evenly distributed in the dipped beam side region.
3. lens according to claim 1, it is characterised in that：At least one region is second incident in the plane of incidence
Region, at least one region is the second exit area, second incident area and the second exit area in the exit facet
It is corresponding with the distance light side region of the plate face to be illuminated, make to be refracted into the lens body by second incident area
Light, through second exit area refraction in the distance light side region.
4. lens according to claim 3, it is characterised in that：Second incident area and/or the second exit area are
Arc light distribution surface, make the light that the lens body is refracted into by second incident area, through second exit area
After refraction, it is evenly distributed in the distance light side region.
5. lens according to claim 4, it is characterised in that：At least one region is the 3rd incident in the plane of incidence
Region, at least one region is the 3rd exit area, the 3rd incident area and the 3rd exit area in the exit facet
It is corresponding with the intermediate region of the plate face to be illuminated, make the light that the lens body is refracted into by the 3rd incident area
Line, through the 3rd exit area refraction in the middle side region.
6. lens according to claim 5, it is characterised in that：3rd incident area and/or the 3rd exit area are
Arc light distribution surface, make the light that the lens body is refracted into by the 3rd incident area, through the 3rd exit area
After refraction, it is evenly distributed on the intermediate region.
7. according to the lens described in claim 1-6 any one, it is characterised in that：The intermediate region and the dipped beam lateral areas
Domain there are intersection.
8. according to the lens described in claim 1-6 any one, it is characterised in that：The intermediate region and the distance light lateral areas
Domain there are intersection.
9. the lens according to claim 5 or 6, it is characterised in that：First incident area is located at the plane of incidence and leaned on
The side of the nearly plate face to be illuminated, second incident area are located at one of the plane of incidence away from the plate face to be illuminated
Side, the plane of incidence between first incident area and the second incident area are the 3rd incident area.
10. the lens according to claim 5 or 6, it is characterised in that：First exit area is located at the exit facet and leaned on
The side of the nearly plate face to be illuminated, second exit area is located at one of the exit facet away from the plate face to be illuminated
Side, the exit facet between first exit area and the second exit area are the 3rd exit area.
11. according to the lens described in claim 3-6 any one, it is characterised in that：The lens body also includes reflection
Face, the light of lens body is refracted into by second incident area, through the reflective surface to the described second outgoing area
Domain, then refract to by second exit area distance light side region of the plate face to be illuminated.
12. according to the lens described in claim 1-6 any one, it is characterised in that：Lens body is strip, its with it is described
Plate face length to be illuminated matches.
13. according to the lens described in claim 1-6 any one, it is characterised in that：Plane of incidence depression is cavity type, institute
State light source to be arranged in depression, the light that the light source is sent all is refracted into the lens body by the plane of incidence.
A kind of 14. light fixture, it is characterised in that：Include the lens of claim 1-13 any one, in addition to the lens sheet
The light source of mates.
15. light fixture according to claim 14, it is characterised in that：The light source is for strip light source or by some light sources
The strip structure that unit is arranged in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720977806.5U CN207112701U (en) | 2017-08-07 | 2017-08-07 | A kind of lens and the light fixture for plate face illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720977806.5U CN207112701U (en) | 2017-08-07 | 2017-08-07 | A kind of lens and the light fixture for plate face illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207112701U true CN207112701U (en) | 2018-03-16 |
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ID=61583033
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720977806.5U Active CN207112701U (en) | 2017-08-07 | 2017-08-07 | A kind of lens and the light fixture for plate face illumination |
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| Country | Link |
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| CN (1) | CN207112701U (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 |
| CN113310031A (en) * | 2021-05-08 | 2021-08-27 | 江苏大学 | Polarizing lens of LED blackboard lamp |
-
2017
- 2017-08-07 CN CN201720977806.5U patent/CN207112701U/en active Active
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 |
| CN113310031A (en) * | 2021-05-08 | 2021-08-27 | 江苏大学 | Polarizing lens of LED blackboard lamp |
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