CN208719995U - A kind of anti-interference vision light source - Google Patents
A kind of anti-interference vision light source Download PDFInfo
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- CN208719995U CN208719995U CN201821572672.XU CN201821572672U CN208719995U CN 208719995 U CN208719995 U CN 208719995U CN 201821572672 U CN201821572672 U CN 201821572672U CN 208719995 U CN208719995 U CN 208719995U
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- light source
- support plate
- interference
- outer box
- plate
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Abstract
The utility model is suitable for vision light sources technical field, provide a kind of anti-interference vision light source, including outer box, beam divergence plate and support plate, the beam divergence plate is covered on the outer box upper end, the support plate is set between the outer box bottom and the beam divergence plate, several infrared LED lamps form annular light source by the center of circle of the support plate center, several imaging detectors connecting one by one with several infrared LED lamps are installed in the support plate, each imaging detector is connect with power interface, the power interface is on the side surface circumference of the outer box, the center of the support plate is equipped with single light source, the single light source periphery is provided with column, optical filter is secured on the column, the optical filter is located at the surface of the single light source, the utility model solves Normal visual light Source device can not eliminate the problem of ambient light interference, to effectively improve accuracy and the discrimination of image recognition.
Description
Technical field
The utility model belongs to vision light sources technical field more particularly to a kind of anti-interference vision light source.
Background technique
The core of NI Vision Builder for Automated Inspection is Image Acquisition and processing, and all information derive among image, image itself
Quality it is extremely crucial to entire vision system, and light source then be influence NI Vision Builder for Automated Inspection image level an important factor for, because
For it directly affect input data quality and at least 30% application effect.By light source Lighting Design appropriate, make image
In target information and background information obtain optimal separation, can substantially reduce image processing algorithm segmentation, identification difficulty, together
The positioning of Shi Tigao system, measurement accuracy are improved the reliability of system and comprehensive performance., whereas if light source design
It is improper, it will lead to and get half the result with twice the effort in image processing algorithm design and imaging system design.Therefore, light source and Optical System Design
Success or failure be decision systems success or failure primary factor.In NI Vision Builder for Automated Inspection, the effect of light source has following four: 1. illuminate mesh
Mark improves object brightness；2. forming the imaging effect most beneficial for image procossing；3. overcoming ambient light interference, guarantee image
Stability；4. being used as tool or the reference of measurement.Vision light-source system used at present there is a problem at anti-interference aspect, because
This can not collect the image information of high quality.
Utility model content
The utility model provides a kind of anti-interference vision light source, it is intended to which environment can not be eliminated by solving Normal visual light supply apparatus
The problem of light interferes.
The utility model is realized in this way a kind of anti-interference vision light source, including outer box, beam divergence plate and support
Plate, the beam divergence plate are covered on the outer box upper end, and the support plate is set to the outer box bottom and the light beam dissipates
Penetrate between plate, several infrared LED lamps form annular light source by the center of circle of the support plate center, be equipped in the support plate with
Several imaging detectors that several infrared LED lamps connect one by one, each imaging detector are connect with power interface,
For the power interface on the side surface circumference of the outer box, the center of the support plate is equipped with single light source, outside the single light source
Week is provided with column, and optical filter is secured on the column, and the optical filter is located at the surface of the single light source.
Further, each infrared LED lamp is 940nm infrared light-emitting diode.
Further, several infrared LED lamps are annularly uniformly distributed together with several imaging detectors, and totally four
The quantity of layer, several infrared LED lamps and several imaging detectors is 118.
Further, it is interference fitted between the outer box and the beam divergence plate, the beam divergence plate installation is steady
Gu.
Further, the power interface has transformation function, 220V voltage is reduced to 12V, for system worked well.
Further, it is connected between the power interface and each imaging detector by circuit connecting wire.
Further, it connects between each infrared LED lamp and each imaging detector, several imagings
Detector is in parallel between each other.
Due to using annular light source, and install optical filter additional at light source center, while light being installed above optical filter
Beam scatter plate expands illumination zone, improves the uniformity of active illumination light, and optical filter has filtered the interference of daylight and light,
Only active illumination light is received by imaging detector, so that ambient light interference can not be eliminated by solving Normal visual light supply apparatus
Problem effectively improves accuracy and the discrimination of image recognition.
Detailed description of the invention
Fig. 1 is a kind of top view of anti-interference vision light source provided by the utility model.
Fig. 2 is a kind of main view of anti-interference vision light source provided by the utility model.
Fig. 3 is a kind of A-A cross-sectional view of anti-interference vision light source provided by the utility model.
Fig. 4 is a kind of B-B cross-sectional view of anti-interference vision light source provided by the utility model.
In figure: 1- outer box；2- beam divergence plate；3- power interface；4- infrared LED lamp；5- support plate；6- optical filter；
7- single light source；8- imaging detector；9- column；10- circuit connecting wire.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figs 1-4, compared with prior art, based on annular infrared light supply, expand illumination zone, improve active illumination
The uniformity of light installs optical filter 6 additional at light source center, while being mounted with beam divergence plate 2 in the top of optical filter 6,
Optical filter 6 has filtered the interference of daylight and light, and only active illumination light is received by imaging detector 8, to solve general
Intervisibility feels the problem of light supply apparatus can not eliminate ambient light interference, effectively improves accuracy and the discrimination of image recognition.
As shown in Figs 1-4, a kind of anti-interference vision light source, including outer box 1, beam divergence plate 2 and support plate 5, it is described
Beam divergence plate 2 is covered on 1 upper end of outer box, and the support plate 5 is set to 1 bottom of outer box and the beam divergence plate
Between 2, several infrared LED lamps 4 form annular light source by the center of circle of 5 center of support plate, be equipped in the support plate 5 with
Several imaging detectors 8 that several infrared LED lamps 4 connect one by one, each imaging detector 8 with power interface 3
Connection, for the power interface 3 on the side surface circumference of the outer box 1, the center of the support plate 5 is equipped with single light source 7, described
7 periphery of single light source is provided with column 9, and optical filter 6 is secured on the column 9, and the optical filter 6 is located at the monochromatic light
The surface in source 7.
In one of the embodiments, as shown in figure 4, each infrared LED lamp 4 is 940nm infrared light-emitting diode.
In one of the embodiments, as shown in figure 4, several infrared LED lamps 4 are together with several imaging detectors
8 are annularly uniformly distributed, and totally four layers, the quantity of several infrared LED lamps 4 and several imaging detectors 8 is 118
It is a, expand illumination zone, improves the uniformity of active illumination light.
In one of the embodiments, as shown in figure 3, being interference fitted between the outer box 1 and the beam divergence plate 2,
The installation of beam divergence plate 2 is firm.
In one of the embodiments, as shown in Fig. 2, the power interface 3 has transformation function, 220V voltage is reduced to
12V, for system worked well.
In one of the embodiments, as shown in figure 3, leading between the power interface 3 and each imaging detector 8
Oversampling circuit connecting line 10 connects.
In one of the embodiments, as shown in figure 3, each infrared LED lamp 4 and each imaging detector 8
Between connect, several imaging detectors 8 are between each other parallel connection.
When work, 3 plug-in of power interface, infrared LED lamp 4 emits infrared light, after the scattering of beam divergence plate 2, shines
Onto object, while on the interference light to optical filter 6 in object reflection active illumination infrared light and ambient enviroment, optical filter
6 filter out interference light, and only active illumination infrared light can just be received by imaging detector 8, to must further generate image
Digital signal.
Based on the infrared LED lamp 4 of annular, expand illumination zone, the uniformity of active illumination light is improved, at light source center
It installs optical filter 6 additional, while being mounted with that beam divergence plate 2, optical filter 6 have filtered daylight and lamp in the top of optical filter 6
The interference of light, having active illumination light only can just be received by imaging detector 8, so that solving Normal visual light supply apparatus can not disappear
The problem of except ambient light interference, effectively improves accuracy and the discrimination of image recognition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of anti-interference vision light source, which is characterized in that including outer box, beam divergence plate and support plate, the light beam dissipates
It penetrates plate and is covered on the outer box upper end, the support plate is set between the outer box bottom and the beam divergence plate, several
Infrared LED lamp forms annular light source by the center of circle of the support plate center, be equipped in the support plate with it is described several infrared
Several imaging detectors that LED light connects one by one, each imaging detector are connect with power interface, the power interface
On the side surface circumference of the outer box, the center of the support plate is equipped with single light source, and the single light source periphery is provided with column,
Optical filter is secured on the column, the optical filter is located at the surface of the single light source.
2. anti-interference vision light source as described in claim 1, which is characterized in that each infrared LED lamp is 940nm infrared
Light emitting diode.
3. anti-interference vision light source as described in claim 1, which is characterized in that if several infrared LED lamps are together with described
Dry imaging detector is annularly uniformly distributed, and totally four layers, the quantity of several infrared LED lamps and several imaging detectors
It is 118.
4. anti-interference vision light source as described in claim 1, which is characterized in that between the outer box and the beam divergence plate
Interference fit, the beam divergence plate installation are firm.
5. anti-interference vision light source as described in claim 1, which is characterized in that the power interface has transformation function, will
220V voltage is reduced to 12V, for system worked well.
6. anti-interference vision light source as described in claim 1, which is characterized in that the power interface and each imaging are visited
It surveys between device and is connected by circuit connecting wire.
7. anti-interference vision light source as described in claim 1, which is characterized in that each infrared LED lamp and each described
It connects between imaging detector, several imaging detectors are in parallel between each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572672.XU CN208719995U (en) | 2018-09-26 | 2018-09-26 | A kind of anti-interference vision light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572672.XU CN208719995U (en) | 2018-09-26 | 2018-09-26 | A kind of anti-interference vision light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719995U true CN208719995U (en) | 2019-04-09 |
Family
ID=65982853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821572672.XU Expired - Fee Related CN208719995U (en) | 2018-09-26 | 2018-09-26 | A kind of anti-interference vision light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237683A (en) * | 2020-03-13 | 2020-06-05 | 浙江大学 | Underwater lighting equipment |
-
2018
- 2018-09-26 CN CN201821572672.XU patent/CN208719995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237683A (en) * | 2020-03-13 | 2020-06-05 | 浙江大学 | Underwater lighting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20200926 |