CN209044256U - Highlight high uniform linear light source - Google Patents
Highlight high uniform linear light source Download PDFInfo
- Publication number
- CN209044256U CN209044256U CN201821598327.3U CN201821598327U CN209044256U CN 209044256 U CN209044256 U CN 209044256U CN 201821598327 U CN201821598327 U CN 201821598327U CN 209044256 U CN209044256 U CN 209044256U
- Authority
- CN
- China
- Prior art keywords
- light source
- light
- circuit board
- mentioned
- grating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses one kind and highlights high uniform linear light source, including light source shell, LED circuit board, LED lamp bead, grating light guide plate, collector lens, the LED lamp bead is arranged in the LED circuit board, the LED circuit board and grating light guide plate are arranged in the light source shell, the light source shell is equipped with a light-emitting window, the collector lens is arranged at the light-emitting window of the light source shell, the grating light guide plate is between the LED circuit board and the collector lens, and the LED lamp bead is between the LED circuit board and the grating light guide plate.Using large-power LED light bead, the uneven light of graininess that LED lamp bead issues is diffused the light for forming homogeneous soft by grating light guide plate by mist, make light-ray condensing at a high brightness by collector lens, the light belt of high evenness, treated illumination is mapped on detection object surface, and digital camera can observe the impurity and tiny defect of object surface to be detected by linear light sorurce high brightness, high uniform light belt.
Description
Technical field
The utility model relates to testing equipment fields, and in particular to one kind highlights high uniform linear light source.
Background technique
In the prior art in the surface impurity of illumination transparent article and the tiny defect on detection transparent substance surface
When, existing strip source and backlight can detecte the surface profile and stereo defects of object, but can't detect transparency
The impurity and tiny defect on part surface.Transparent substance surface can be generated when acquiring image using digital camera can not be miscellaneous with surface
Matter, surface defect form comparison of light and shade, to cause software that can not accurately detect the impurity and defect on transparent article surface.
Utility model content
The main purpose of the utility model is to provide one kind to highlight high uniform linear light source, to solve the technology of detection inaccuracy
Problem.
The utility model provides one kind and highlights high uniform linear light source, including light source shell, LED circuit board, LED lamp bead, light
Grid light guide plate and collector lens, above-mentioned LED lamp bead are arranged in above-mentioned LED circuit board, above-mentioned LED circuit board and grating light guide plate
It is arranged in above-mentioned light source shell, above-mentioned light source shell is equipped with a light-emitting window, and above-mentioned collector lens is arranged in above-mentioned light source shell
Light-emitting window at, between above-mentioned LED circuit board and above-mentioned collector lens, above-mentioned LED lamp bead is located at above-mentioned grating light guide plate
Between above-mentioned LED circuit board and above-mentioned grating light guide plate.
Further, it is highlighted in high uniform linear light source above-mentioned, above-mentioned end is fixed in above-mentioned bottom plate both ends, above-mentioned side plate
Box-like with the affixed formation one side opening of above-mentioned bottom plate and above-mentioned end respectively, opening is above-mentioned light-emitting window, above-mentioned light-emitting window
Corresponding with above-mentioned bottom plate, above-mentioned grating light guide plate is fixed in above-mentioned light source shell by the positioning of above-mentioned end, and above-mentioned optically focused is saturating
Mirror is fixed on and above-mentioned light-emitting window with above-mentioned end and above-mentioned side plate respectively.
Further, it is highlighted in high uniform linear light source above-mentioned, reflective membrane, positioning peace is provided on the inside of above-mentioned light source shell
Fill the groove of grating light guide plate.
Further, highlighted in high uniform linear light source above-mentioned, above-mentioned side plate by screw respectively with above-mentioned bottom plate and upper
It states end to fix, wherein the two sides of above-mentioned bottom plate and above-mentioned end shield is along the screw thread being above provided with the cooperation fixation of above-mentioned screw
Hole.
Further, it is highlighted in high uniform linear light source above-mentioned, above-mentioned light source shell material is aluminium alloy.
Further, it is highlighted in high uniform linear light source above-mentioned, above-mentioned light-emitting window is strip.
Further, it is highlighted in high uniform linear light source above-mentioned, when above-mentioned LED lamp bead includes two or more,
Above-mentioned LED lamp bead is arranged with linear array.
Further, it is highlighted in high uniform linear light source above-mentioned, further includes power supply line, said power runs through above-mentioned bottom plate
It is connect with above-mentioned LED circuit board.
Compared with prior art, it has the advantage that: using large-power LED light bead, grating light guide plate will for the utility model
The uneven light of the graininess that LED lamp bead issues forms the light of homogeneous soft by misty diffusion, makes light by collector lens
Line is gathered into a high brightness, the light belt of high evenness, and treated illumination is mapped on detection object surface, and digital camera can
To observe the impurity and tiny defect of object surface to be detected by linear light sorurce high brightness, high uniform light belt.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for highlighting high uniform linear light source of an embodiment of the present invention.
In figure: the 4- collector lens 5- grating light guide plate 6-LED circuit board 7- screw of the end 1- bottom plate 2- side plate 3-
8-LED lamp bead 9- power supply line
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, directly to be connected
It connects, is also possible to be indirectly connected with.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
Referring to Fig.1, the utility model provides one kind and highlights high uniform linear light source, including light source shell, LED circuit board 6,
LED lamp bead 8, grating light guide plate 5 and collector lens 4, above-mentioned LED lamp bead 8 are arranged in above-mentioned LED circuit board 6, above-mentioned LED electricity
Road plate 6 and grating light guide plate 5 are arranged in above-mentioned light source shell, and above-mentioned light source shell is equipped with a light-emitting window, above-mentioned collector lens 4
It is arranged at the light-emitting window of above-mentioned light source shell, above-mentioned grating light guide plate 5 is located at above-mentioned LED circuit board 6 and above-mentioned collector lens 4
Between, above-mentioned LED lamp bead 8 is between above-mentioned LED circuit board 6 and above-mentioned grating light guide plate 5.LED circuit board 6 is highlighted LED
Array circuit plate, LED lamp bead 8 are high-brightness LED lamp pearl, and LED lamp bead 8 has that luminance purity is high, shines that heat is small, light beam collection is medium
Advantage provides initial light source entirely to highlight high uniform linear light source, and grating light guide plate 5 is cylindric, the general of grating light guide plate 5
Granular uneven light forms the light of homogeneous soft by misty diffusion, and collector lens 4 is high saturating collector lens, collector lens
4 can make light-ray condensing at a high brightness, and the light belt of high evenness, the setting of LED lamp bead 8 is in LED circuit board 6, LED lamp bead
8 issue light, and the uneven light of graininess that LED lamp bead 8 issues is formed homogeneous soft by misty diffusion by grating light guide plate
Light forms directional light and irradiates finally by the focusing light effect of collector lens 4, it is possible to provide highlighted high uniform linear light source,
For detecting the concave-convex defect of burnishing surface, in favor of carrying out accurately photograph detection.
In the present embodiment, above-mentioned light source shell includes bottom plate 1, side plate 2 and end 3, and above-mentioned end 3 is fixed in above-mentioned bottom
1 both ends of plate, above-mentioned side plate 2 is box-like with the affixed formation one side opening of above-mentioned bottom plate 1 and above-mentioned end 3 respectively, and opening is upper
Light-emitting window is stated, above-mentioned light-emitting window is corresponding with above-mentioned bottom plate 1, and above-mentioned grating light guide plate 5 is fixed on above-mentioned by the positioning of above-mentioned end 3
In light source shell, above-mentioned collector lens 4 is fixed on and above-mentioned light-emitting window, light source shell with above-mentioned end 3 and above-mentioned side plate 2 respectively
The light that LED lamp bead 8 is issued is concentrated toward light-emitting window, and the uneven light of the graininess that grating light guide plate issues LED lamp bead 8 passes through
Mist diffusion forms the light of homogeneous soft, then by the focusing light effect of collector lens 4 formed directional light irradiate come.
In the present embodiment, the groove of reflective membrane, location and installation grating light guide plate 5 is provided on the inside of above-mentioned light source shell,
Reflective membrane is reflecting material, reduces the loss of light, grating light guide plate 5 is by light source shell inboard groove location and installation in light source
In shell.
In the present embodiment, above-mentioned side plate 2 is fixed with above-mentioned bottom plate and above-mentioned end 3 respectively by screw 7, wherein on
State the two sides shield of bottom plate 1 and above-mentioned end 3 and cooperate fixed threaded hole with above-mentioned screw 7 along being above provided with, by screw 7 and with
Screw 7 cooperate fixed threaded hole general, side plate, bottom plate and end fix.
In the present embodiment, above-mentioned light source shell material of stating is aluminium alloy, and aluminium alloy density is low, but intensity is higher, plasticity
It is good, there is excellent electric conductivity, thermal conductivity and corrosion stability.
In the present embodiment, above-mentioned light-emitting window is strip, conducive to linear light source is formed.
In the present embodiment, when above-mentioned LED lamp bead 8 includes two or more, above-mentioned LED lamp bead 8 is with linear battle array
Column arrangement, multiple LED lamp beads 8 increase the intensity of light, and LED lamp bead 8 is placed with linear array to the concentration conducive to light.
It in the present embodiment, further include power supply line 9, said power 9 connects through above-mentioned bottom plate 1 with above-mentioned LED circuit board 6
It connects, power supply line 9 is high soft power supply line, is connected as LED lamp bead 8 by power supply line 9 and LED circuit board 6 and powers.
Compared with prior art, it has the advantage that: using large-power LED light bead, grating light guide plate will for the utility model
The uneven light of the graininess that LED lamp bead issues forms the light of homogeneous soft by misty diffusion, makes light by collector lens
Line is gathered into a high brightness, the light belt of high evenness, and treated illumination is mapped on detection object surface, and digital camera can
To observe the impurity and tiny defect of object surface to be detected by linear light sorurce high brightness, high uniform light belt.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (8)
1. one kind highlights high uniform linear light source, which is characterized in that guide-lighting including light source shell, LED circuit board, LED lamp bead, grating
Plate and collector lens, the LED lamp bead are arranged in the LED circuit board, and the LED circuit board and grating light guide plate are arranged
In the light source shell, the light source shell is equipped with a light-emitting window, and the light out of the light source shell is arranged in the collector lens
At mouthful, the grating light guide plate is set between the LED circuit board and the collector lens, and the LED lamp bead is set to the LED
Between circuit board and the grating light guide plate.
2. according to claim 1 highlight high uniform linear light source, which is characterized in that the light source shell includes bottom plate, side
Plate and end, the end are fixed in the bottom plate both ends, the side plate respectively with the affixed formation of the bottom plate and the end
What is be open on one side is box-like, and opening is the light-emitting window, and the light-emitting window is corresponding with the bottom plate, and the grating light guide plate passes through
End positioning is fixed in the light source shell, the collector lens be fixed on respectively with the end and the side plate with
The light-emitting window.
3. according to claim 2 highlight high uniform linear light source, which is characterized in that be provided on the inside of the light source shell anti-
The groove of light film, location and installation grating light guide plate.
4. according to claim 2 highlight high uniform linear light source, which is characterized in that the side plate by screw respectively with institute
It states bottom plate and the end is fixed, wherein the two sides shield of the bottom plate and the end is along being above provided with and the screw cooperates
Fixed threaded hole.
5. according to claim 1 highlight high uniform linear light source, which is characterized in that the light source shell material is aluminium conjunction
Gold.
6. according to claim 1 highlight high uniform linear light source, which is characterized in that the light-emitting window is strip.
7. according to claim 1 highlight high uniform linear light source, which is characterized in that when the LED lamp bead include two or
When more than two, the LED lamp bead is arranged with linear array.
8. according to claim 2 highlight high uniform linear light source, which is characterized in that it further include power supply line, the power supply line
It is connect through the bottom plate with the LED circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598327.3U CN209044256U (en) | 2018-09-28 | 2018-09-28 | Highlight high uniform linear light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598327.3U CN209044256U (en) | 2018-09-28 | 2018-09-28 | Highlight high uniform linear light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209044256U true CN209044256U (en) | 2019-06-28 |
Family
ID=67034829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821598327.3U Active CN209044256U (en) | 2018-09-28 | 2018-09-28 | Highlight high uniform linear light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209044256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513616A (en) * | 2019-08-29 | 2019-11-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of linear light source device |
-
2018
- 2018-09-28 CN CN201821598327.3U patent/CN209044256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513616A (en) * | 2019-08-29 | 2019-11-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of linear light source device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103196554A (en) | System and method for testing and adjusting light intensity uniformity of light source | |
| CN203630791U (en) | Image identification equipment | |
| CN105973571A (en) | CCD-based LED chip microscopic surface brightness measuring method | |
| CN209044256U (en) | Highlight high uniform linear light source | |
| CN207690428U (en) | A kind of LED display to radiate before screen | |
| CN204462594U (en) | A kind of display device | |
| CN206489095U (en) | A kind of detecting system detected for glass surface defects | |
| CN202955578U (en) | High light line source | |
| CN108693193A (en) | Glass optical detection device and Glass optical detecting system | |
| CN203647322U (en) | Visual testing chart lamp box with submicrostructural light guide plate | |
| CN203273367U (en) | Parallel coaxial light source device | |
| CN209839827U (en) | Clean lamp | |
| CN210005461U (en) | Online detection illumination light source for appearance defects of glass with cambered surface | |
| CN103565396A (en) | Visual chart light box with light guide plate of submicrometer structure | |
| CN210401921U (en) | Backlight module | |
| CN208222137U (en) | A kind of energy-efficient backlight module | |
| CN208041755U (en) | The concentration structure and light-source system of linear light source | |
| CN111965186A (en) | Device for detecting color difference and appearance defects of coated battery piece based on line scanning | |
| CN207674187U (en) | A kind of LED anti-dazzles polarisation wall lamp | |
| CN205640741U (en) | LED optics light guide plate | |
| CN204964799U (en) | Compound light guide plate | |
| CN113867047B (en) | Special-shaped backlight module and control method | |
| CN209803531U (en) | High bright coaxial camera light source | |
| CN210291436U (en) | LED linear light source | |
| CN210088538U (en) | Quick-assembling waterproof type clean lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High brightness uniform line source Effective date of registration: 20200922 Granted publication date: 20190628 Pledgee: Yunxiang Wuzhen (Tongxiang) Trading Co., Ltd Pledgor: SHENZHEN HUAZHOU MEASUREMENT AND CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2020330000743 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |