CN206708867U - A kind of light distributing system of LED lamp - Google Patents
A kind of light distributing system of LED lamp Download PDFInfo
- Publication number
- CN206708867U CN206708867U CN201720557936.3U CN201720557936U CN206708867U CN 206708867 U CN206708867 U CN 206708867U CN 201720557936 U CN201720557936 U CN 201720557936U CN 206708867 U CN206708867 U CN 206708867U
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- optical axis
- light
- led lamp
- distributing system
- lens
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- 238000010276 construction Methods 0.000 description 4
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- 230000035807 sensation Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
A kind of light distributing system of LED lamp, it includes an illuminated plane, a light source module, and a reflecting plate.The illuminated plane includes a vertical direction.The light source module includes a lens, and the lens include an optical axis, and an exiting surface.The exiting surface includes the first round profile and the second contour line one using the optical axis as symmetry axis.On the section formed along the vertical direction and optical axis, the side of the optical axis all described in directive after the baffle reflection of the reflected light from first round profile.The both sides of reflected light from the second contour line optical axis described in directive after the baffle reflection.Illuminated plane described in the reflected light of the reflecting plate all directives.The utility model utilizes the lens, reflecting plate, and the mating reaction between the lens and reflecting plate, so that make the article on the upper strata of illuminated plane and the article of lower floor has identical illumination, so as to greatly improve the shopping desire used up experience, increase user of user.
Description
Technical field
A kind of field of lighting devices is the utility model is related to, particularly a kind of light distributing system of LED lamp.
Background technology
In in general daily life, all visible various lighting apparatus everywhere, for example, fluorescent lamp, street lamp, desk lamp, skill
Art lamp etc..In above-mentioned lighting apparatus, traditionally most of is as illuminating source with osram lamp.In recent years, due to section
Skill is maked rapid progress, and is used as light sources by the use of light emitting diode (LED).Notably, in addition to lighting apparatus, for general traffic number
Will, billboard, car light etc., also it is changed to use light emitting diode as illuminating source.As it was previously stated, made using light emitting diode
For illuminating source, it is advantageous in that power saving, and brightness is bigger, therefore in the upper gradual generalization of use.
As shown in figure 1, it is a kind of light path schematic diagram for using LED in the prior art as the illuminator of light source.The photograph
Bright system includes a plane of illumination 1, a LED light source 2 for being arranged on the side of plane of illumination 1.The LED light source 2 includes one
Individual exiting surface 3, the exiting surface 3 project countless lamp wirings 4 and are radiated on plane of illumination 1.It is it is envisioned that no matter described
LED light source 2 is placed on which position of plane of illumination 1, and the directive that is bound to of the part in the light 4 that exiting surface 3 projects is shone
Penetrate the near-end in face 1, the distal end of directive plane of illumination 1 and another part is then bound to.The inevitable light just because of more than
Irradiating structure, the light of the near-end of directive plane of illumination 1 will be smaller relative to the light attenuation of the distal end of directive plane of illumination 1, and nothing
By the light or the light of directive near-end for being directive distal end, its initial luma values is equal, therefore can be caused due to being shone
It is different relative to the distance of LED light source 2 to penetrate face 1, its lightness is also different, i.e. the illumination of plane of illumination 1 everywhere is different.
This uneven lighting effect is for some occasions, such as show room, exhibition, and or some markets in photograph
Light field closes, and because lighting effect is uneven, i.e. the even article being demonstrated that will reduce of uneven illumination regards to visitor or buyer
Feel effect, visual quality sense is given people so as to reduce displaying article.
Utility model content
In view of this, it is necessary to which a kind of light distributing system for the LED lamp that can provide uniform illumination is provided.
A kind of light distributing system of LED lamp, it includes an illuminated plane, and one is arranged on the illuminated plane
Reflecting plate on the light source module of side, and an outgoing light direction for being arranged on the light source module.It is described illuminated flat
Face includes a vertical direction.The light source module includes a lens, and the light direction of the lens is backwards to described illuminated
Plane.The lens include an optical axis vertical with the vertical direction, and an exiting surface.The exiting surface is to incidence
Light enters line convergence and in the first round profile for vertically including one using the optical axis as symmetry axis on the section with optical axis, institute
State exiting surface is including one second using optical axis as symmetry axis along the optical axis and on the section of the vertical direction
Contour line.The rising angle of second contour line is more than the rising angle of the first round profile.The exiting surface is by described
Plane where first round profile forms along second contour scanning.The reflecting plate is set with the lens separation.
On the section formed along the vertical direction and optical axis, the reflected light from first round profile is all penetrated after the baffle reflection
To the side of the optical axis.Along optical axis and on the section of the vertical direction, the reflected light from the second contour line
The both sides of optical axis described in directive after the baffle reflection.Illuminated plane described in the reflected light of the reflecting plate all directives.
Further, the exiting surface scanned as the plane where second contour line along the first round profile and
Into.
Further, the lens also include an incidence surface, and the incidence surface is vertical with the optical axis, the incidence surface
Formed with line scanning of the line of two end points of first round profile along two end points of second contour line.
Further, the lens also include a supporting part to be extended out by the incidence surface, the supporting part tool
There is accommodating cavity.
Further, the light source module also includes a LED chip, and the LED chip is centrally located at the optical axis
On, the LED chip has an outgoing smooth surface, and the outgoing smooth surface is arranged at intervals with the incidence surface.
Further, outgoing the distance between the smooth surface and the incidence surface and thickness of the supporting part along optical axis direction
Spend equal.
Further, on the section along the vertical direction and optical axis, the top edge of the illuminated plane and reflection
Line and first round profile between the top edge of plate is tangent.
Further, on the section along the vertical direction and optical axis, the top edge and lower edge of the reflecting plate with
Angle between the line at the center of LED chip is more than the rising angle on the first round profile.
Further, on the section along the vertical direction and optical axis, the angle of the optical axis and reflecting plate has one
Individual acute angle.
Further, the optical axis is perpendicular to the illuminated plane.
Compared with prior art, the light distributing system of LED lamp provided by the utility model utilizes the lens, reflecting plate,
And the mating reaction between the lens and reflecting plate so that can be equably along the quilt from the light after the baffle reflection
The vertical direction of irradiated plane is radiated in the illuminated plane, so as to so that illuminated plane upper strata article with
The article of layer has identical illumination, and sensation to user is exactly that brightness is substantially on the vertical direction along illuminated plane
It is consistent, so as to greatly improve the shopping desire used up experience, increase user of user.
Brief description of the drawings
Embodiment of the present utility model is described below in conjunction with accompanying drawing, wherein：
Fig. 1 is a kind of light path schematic diagram of lamp illuminating system in the prior art
Fig. 2 is a kind of structural representation and light path schematic diagram of the light distributing system of LED lamp provided by the utility model.
Fig. 3 is structural representation of the light distributing system of Fig. 2 LED lamp on other direction.
Fig. 4 is the light path schematic diagram of the light distributing system of Fig. 3 LED lamp.
Fig. 5 is the plot of light intensity of the light distributing system of Fig. 1 LED lamp.
Embodiment
Specific embodiment of the utility model is further elaborated below based on accompanying drawing.It should be appreciated that herein
Described specific embodiment is only used as embodiment, is not used to limit the scope of protection of the utility model.
Fig. 2 to Fig. 4 is referred to, it is a kind of structural representation of the light distributing system 100 of LED lamp provided by the utility model
Figure.The light distributing system 100 of the LED lamp includes an illuminated plane 10, one be arranged on the illuminated plane one
Reflecting plate 30 on the light source module 20 of side, and an outgoing light direction for being arranged on the light source module 20.Because this reality
Configured with the new structure for focusing on light distributing system and light, therefore, the illuminated plane 10, light source module 20, with
And reflecting plate 30 is all schematic diagram.It is envisioned that the LED lamp also includes some other functional modules, such as power supply
Module, the mechanical module such as lamp housing, lampshade etc. of light fixture are used for the construction package for assembling the light source module 20, and for assembling
The construction package of the reflecting plate 30, but these construction packages are all should be known by those skilled in the art, and be not this
The emphasis of utility model, therefore above-mentioned construction package in the utility model neither elaborates, and does not also show in figure
Go out.
The illuminated plane 10 can be the shelf in warehouse or market, or the wall in museum or exhibition center
Face, it can also be front-seat goods such as in refrigerator-freezer etc..Although above-mentioned be unlikely to be an absolute plane with luminous environment,
But in the utility model, for the purpose of simplifying the description, while reality optical design in also above-mentioned is really used into luminous environment
A plane is modeled as to carry out luminous intensity distribution design.Therefore, in the accompanying drawings, this is replaced to use luminous environment using only a line.
In optical design, a reference is necessarily needed to configure the propagation path of light, therefore in the present embodiment, it is described illuminated flat
Face 10 includes a vertical direction.A dimension of the vertical direction of the illuminated plane 10 as the light distributing system.
The light source module 20 includes a LED chip 21, and a light direction for being arranged on the LED chip 21
On lens 22.It is understood that the light source module 20 also includes some other functional module, LED chip is such as arranged on
Heat abstractor on 21, for fixing the lamp frame structure of the lens 22, and for providing the power supply of electric power for LED chip 21
Module etc., it is the technology known by those skilled in the art, herein without describing in detail.For the purpose of simplifying the description, in Fig. 1
The LED chip 21 and lens 22 are only shown.The LED chip 21 is a kind of solid-state that can convert electrical energy into visible ray
Semiconductor devices, electricity directly can be converted into luminous energy by it.Correlation technique on LED for known by those skilled in the art,
It will not be repeated here.
The lens 22 include an optical axis 221 vertical with the vertical direction of the illuminated plane 10, a light extraction
Face 222, an incidence surface 223, and a supporting part 224 to be extended out by the incidence surface 223.The lens 22 can be with
Transparent material is made, it is possible to have the non-full lens material of certain light transmittance ratio is made.In the present embodiment, the lens 22
It is made of clear material.
Consistent with all lens, each lens includes an at least optical axis.In the present embodiment, 22, the lens
Including an optical axis 221.The optical axis 221 is used to set light source, i.e. LED chip 21, while it is well known that the optical axis 221
It is the guiding of light path design.The optical axis 221 perpendicular to the illuminated plane 10 vertical direction, therefore, the optical axis 221
Direction turn into another dimension of the light distributing system, so as to vertical direction and the optical axis of, the illuminated plane 10
221 direction forms a two dimensional surface.It is well known that direction is a vector, therefore by the optical axis 221 along described
The light direction of lens 22 is positive direction, then the negative direction of the optical axis 221 is exactly anti-with the light direction of the lens 22
Direction.The positive direction of the optical axis 221 deviates from the illuminated plane 10, i.e., the light direction of described lens 22 is backwards to the quilt
Irradiated plane 10.
Also referring to Fig. 2 and Fig. 3, the exiting surface 222 enters line convergence to incident light and vertically and optical axis
Include the first round profile 225 one with the optical axis 221 for symmetry axis on 221 section, along the optical axis 222 and perpendicular to
Include the second contour line 226 one with the optical axis 221 for symmetry axis on the section of the vertical direction.The exiting surface 222
It can be scanned and formed along second contour line 226 by the plane where first round profile 225, it is, of course, understood that institute
It can also be that the plane where the second contour line 226 forms along the first round profile 225 scanning to state exiting surface 222.It is described " to sweep
Retouch " a kind of modern technologies term is should be, its use is in the fields such as electronic projection technology, 3D printing technique, draughtsmanship.At this
In utility model, " scanning " refers to the scanning in draughtsmanship, and such as " scanning " in PRO/E, it refers to that one is cut
The entity that face is formed along a curve.In order to be configured as needed to light, the rising angle of second contour line 226
More than the rising angle of the first round profile 225.It is well known that rising angle of the exiting surface on some section
Its range of exposures will be determined, therefore, when the rising angle of second contour line 226 is more than going out for the first round profile 225
During angular, then the exiting surface 222 is in the range of exposures on the section of the vertical direction of the illuminated plane 10
More than its range of exposures on the section of the vertical direction parallel to the illuminated plane 10.
The incidence surface 223 can be a plane, and it is used to receive the emergent light from LED chip 21.It is described
The formation of incidence surface 223 and the formation simultaneously in the forming process of the exiting surface 222, you can think with first round profile
Line scanning of the line of 225 two end points along two end points of second contour line 226 forms, while be appreciated that
It is that the incidence surface 223 can also be two along the first round profile 225 with the line of two end points of the second contour line 226
The line scanning of individual end points forms.Because first, second contour line 225,226 all with optical axis 221 is symmetry axis, therefore,
It is that section is still section with the second contour line 226 either with first round profile 225, the incidence surface 223 all will be one
Plane.Theory is formed according to above-mentioned scanning, the incidence surface 223 should be vertical with the optical axis 221
The supporting part 224 is used to set the lens 22, and it is prolonged by negative direction of the incidence surface 223 along optical axis 221
Stretch.Due to the LED chip 21 exit plane cannot directly against being located on the incidence surface 223, but with it is described
Incidence surface 223 is arranged at intervals, and the distance at its interval should be such that the emergent light of LED chip 21 all projects with the first profile
In the scope for the circle that the line of two end points of line 225 is formed by diameter.Due to the company of two end points of the second contour line 226
The length of line is more than the length of the line of two end points of first round profile 225, therefore the supporting part 224 is arranged on described
In the distal extent for the circle that the line of two end points of first round profile 225 is formed by diameter, so as to form an accommodating cavity
227.The light of the LED chip 21 is fully entered in the accommodating cavity 227.The thickness of the supporting part 224 can be with the LED
The distance of the exit plane of chip 21 to incidence surface 223 is equal.
The reflecting plate 30 is arranged on the outgoing light direction of the light source module 20, and is set with the lens 22 interval
Put.The reflecting plate 30 structure of itself is should be known by those skilled in the art, and it typically is mount one on transparent plastic sheet
Layer reflectance coating and be made.On edge or the vertical direction of the parallel illuminated plane 10 and the section of optical axis 221, from institute
State the side of emergent light optical axis 221 all described in directive after the reflecting plate 30 reflection of first round profile 225.Along or
The parallel optical axis 221 and on the section of the vertical direction, described in the emergent light from the second contour line 226 passes through
The both sides of optical axis 221 described in directive after reflecting plate 30 reflects.Illuminated plane described in reflected light all directives of the reflecting plate 30
10.Due to effect of the first round profile 225 to light, and the reflex of the reflecting plate 30 so that along or
The light of the side of optical axis 221 is reflected on the vertical direction of the parallel illuminated plane 10 and the section of optical axis 221
Away from the position at light source module 20, and light intensity is weak in the light of the opposite side of optical axis 221 is reflected to from light source module 20
Locate nearest position, the most strong part of light intensity is also reflected to from the remote position of light source module 20, as shown in figure 5, so as to
With make up due to light reach from light source module 20 remotely and caused by light loss.And in edge or the parallel optical axis
221 and the section of the vertical direction perpendicular to the illuminated plane 10 on, the light of the both sides of optical axis 221 difference directive should
The both sides of optical axis 221, the few phenomenon in the more sides in side will not be caused, so as to and can make from light source module 20 more nearby with from light
Source module 20 remotely has essentially identical illumination.Herein, it is necessary to illustrate the meaning of " essentially identical ", this is essentially identical to refer to
Although with illumination apparatus measures from light source module 20 farther out or nearer plane of illumination 10 both sides, its brightness value may not exclusively
Equally, but visually observed for people, be difficult to discover this difference, it is illuminated so as to reach for the vision of people
The lighting effect of plane 10 is consistent.When setting the reflecting plate 30, in order that the volume of whole LED lamp is smaller and closes
Reason, on the section along the vertical direction and optical axis 221, the top edge of the illuminated plane 10 and the top of reflecting plate 30
Line and first round profile 225 between edge is tangent, meanwhile, the angle of the optical axis 221 and reflecting plate 30 has an acute angle.
On the section along the vertical direction and optical axis 221, in the top edge and lower edge and LED chip 21 of the reflecting plate 30
Angle between the line of the heart is more than the rising angle on the first round profile 225, so that the reflecting plate 30 can receive
Whole emergent rays of the first round profile 225.
Compared with prior art, the light distributing system 100 of LED lamp provided by the utility model utilizes lens 22, anti-
The mating reaction penetrated between plate 30, and the lens 22 and reflecting plate 30 so that can be with from the light after the reflecting plate 30 reflection
Equably it is radiated at along the vertical direction of the illuminated plane 10 in the illuminated plane 10, illuminated plane 10 can be made
The article on upper strata and the article of lower floor there is identical illumination, sensation to user is exactly along the perpendicular of illuminated plane 10
The upward brightness of Nogata is substantially consistent, so as to greatly improve the shopping desire used up experience, increase user of user
Hope.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
The spirit of utility model and interior the made all any modification, equivalent and improvement of principle etc., should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. light distributing system of LED lamp, it is characterised in that：The light distributing system of the LED lamp is illuminated flat including one Face, the light source module of a side for being arranged on the illuminated plane, and an outgoing for being arranged on the light source module Reflecting plate on light direction, the illuminated plane include a vertical direction, and the light source module includes a lens, described The light direction of lens includes an optical axis vertical with the vertical direction backwards to the illuminated plane, the lens, with And an exiting surface, the exiting surface incident light is entered line convergence and vertically on the section with optical axis include one with The optical axis is the first round profile of symmetry axis, and the exiting surface is along the optical axis and on the section of the vertical direction Including the second contour line one using optical axis as symmetry axis, the rising angle of second contour line is more than the first round profile Rising angle, the exiting surface is formed as the plane where the first round profile along second contour scanning, described Reflecting plate is set with the lens separation, on the section formed along the vertical direction and optical axis, from first round profile The side of reflected light optical axis all described in directive after the baffle reflection, along optical axis and perpendicular to section of the vertical direction On face, the both sides of the optical axis described in directive after the baffle reflection of the reflected light from the second contour line, the reflecting plate Illuminated plane described in reflected light all directives.
- 2. the light distributing system of LED lamp as claimed in claim 1, it is characterised in that：The exiting surface is by second profile Line forms along first round profile scanning.
- 3. the light distributing system of LED lamp as claimed in claim 1, it is characterised in that：The lens also include an incidence surface, The incidence surface is vertical with the optical axis, and the incidence surface is with the line of two end points of first round profile along second profile The line scanning of two end points of line forms.
- 4. the light distributing system of LED lamp as claimed in claim 3, it is characterised in that：The lens also include one by described The supporting part that incidence surface extends out, the supporting part have accommodating cavity.
- 5. the light distributing system of LED lamp as claimed in claim 4, it is characterised in that：The light source module also includes a LED Chip, the LED chip are centrally located on the optical axis, the LED chip have one outgoing smooth surface, the outgoing smooth surface with The incidence surface is arranged at intervals.
- 6. the light distributing system of LED lamp as claimed in claim 5, it is characterised in that：The outgoing smooth surface and the incidence surface The distance between it is equal along the thickness of optical axis direction with the supporting part.
- 7. the light distributing system of LED lamp as claimed in claim 1, it is characterised in that：Along the vertical direction and optical axis On section, the line and first round profile between the top edge of the illuminated plane and the top edge of reflecting plate are tangent.
- 8. the light distributing system of LED lamp as claimed in claim 1, it is characterised in that：Along the vertical direction and optical axis On section, the angle between the line at the top edge and lower edge of the reflecting plate and the center of LED chip is more than described first Rising angle on contour line.
- 9. the light distributing system of LED lamp as claimed in claim 1, it is characterised in that：Along the vertical direction and optical axis On section, the angle of the optical axis and reflecting plate has an acute angle.
- 10. the light distributing system of LED lamp as claimed in claim 1, it is characterised in that：The optical axis is perpendicular to described illuminated Plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720557936.3U CN206708867U (en) | 2017-05-18 | 2017-05-18 | A kind of light distributing system of LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720557936.3U CN206708867U (en) | 2017-05-18 | 2017-05-18 | A kind of light distributing system of LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708867U true CN206708867U (en) | 2017-12-05 |
Family
ID=60463783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720557936.3U Expired - Fee Related CN206708867U (en) | 2017-05-18 | 2017-05-18 | A kind of light distributing system of LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708867U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084340A (en) * | 2017-05-18 | 2017-08-22 | 赛尔富电子有限公司 | A kind of light distributing system of LED lamp |
| WO2021093668A1 (en) * | 2019-11-15 | 2021-05-20 | 苏州欧普照明有限公司 | Illumination module and lamp |
-
2017
- 2017-05-18 CN CN201720557936.3U patent/CN206708867U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084340A (en) * | 2017-05-18 | 2017-08-22 | 赛尔富电子有限公司 | A kind of light distributing system of LED lamp |
| WO2021093668A1 (en) * | 2019-11-15 | 2021-05-20 | 苏州欧普照明有限公司 | Illumination module and lamp |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |