CN102980103A - Machine vision LED (light emitting diode) illumination source - Google Patents
Machine vision LED (light emitting diode) illumination source Download PDFInfo
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- CN102980103A CN102980103A CN2012104973260A CN201210497326A CN102980103A CN 102980103 A CN102980103 A CN 102980103A CN 2012104973260 A CN2012104973260 A CN 2012104973260A CN 201210497326 A CN201210497326 A CN 201210497326A CN 102980103 A CN102980103 A CN 102980103A
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Abstract
The invention discloses a machine vision LED (light emitting diode) illumination source, which comprises a base and ten matrix light source assemblies arranged on the base, wherein each matrix light source assembly comprises two support frames and a LED matrix light source movably arranged between the two support frames, the matrix light source assemblies are arranged on the base in the equilateral decagonal shape, the LED matrix light sources are connected with a controller, diffusing panels are arranged at the irradiation surfaces of the LED matrix light sources, and light rays become uniform through the diffusing effect of the diffusing panels. Compared with the existing annular light source, the machine vision LED illumination source has the advantages that richer brightness and incident angles can be obtained under the condition of not moving a lampshade, and in addition, the light rays are uniform. The machine vision LED illumination source can adapt to more application occasions, the uniform illumination on tested objects in different sizes can also be realized, and the target feature is obvious as far as possible.
Description
Technical field
The present invention relates to the photoelectric lighting field, relate in particular to a kind of machine vision LED lighting source.
Background technology
Machine vision replaces human eye to do measurement and judgement with machine exactly, (be image-pickup device by machine vision product, two kinds of minute CMOS and CCD) will be ingested target and convert picture signal to, send special-purpose image processing system to, according to information such as pixel distribution and brightness, colors, be transformed into digitized signal; Picture system carries out the feature that various computings come extracting objects to these signals, and then controls on-the-spot device action according to the result who differentiates.The characteristics of machine vision are to improve flexibility and the automaticity of producing.Be not suitable for the dangerous work environment of manual work or the occasion that the artificial vision is difficult to meet the demands at some, the machine in normal service vision substitutes the artificial vision; Simultaneously in industrial processes in enormous quantities, low and precision is not high with artificial visual inspection product quality efficient, the automaticity that can greatly enhance productivity and produce with machine vision detection method.And machine vision to be easy to realization information integrated, be the basic technology that realizes computer integrated manufacturing system.Can the quick obtaining bulk information just because of NI Vision Builder for Automated Inspection, and be easy to automatic processing, also be easy to design information and machining control information integrated, therefore, in the modern automation production process, people are widely used for NI Vision Builder for Automated Inspection in the fields such as operating condition monitoring, product inspection and quality control.
Illumination is the key factor that affects the NI Vision Builder for Automated Inspection input, and it directly affects quality and the effect of input data.Main use is the mode of the front illumination of fixed angle at present, the light source direct irradiation is on body surface, and can only light simultaneously all LED(to led light source), thus cause the unadjustable and light of angle, brightness inhomogeneous, the reverberation of object is difficult to control.
Summary of the invention
The object of the invention is to overcome the shortcoming and defect of prior art, the machine vision LED that a kind of light is even, angle is adjustable lighting source is provided.
The present invention is achieved through the following technical solutions:
A kind of machine vision LED lighting source comprises base, is installed in the matrix light source assembly on the base, and described matrix light source assembly comprises two supports and is movably arranged on two LED matrix light sources between the support.Described matrix light source component count is 10, and by etc. decagon be installed on the base.The LED matrix light source is connected with controller.
On two supports arc chute is set respectively, the position in LED matrix light source both sides corresponding to arc chute arranges slide bar, and slide bar places in the arc chute, and slide bar and arc chute are slidingly connected.
The shadow surface of described LED matrix light source is provided with diffusing panel.
Described LED matrix light source comprises several LED light emitting diodes series winding or is installed in parallel on circuit board.
The present invention has the following advantages compared with prior art:
Described matrix light source assembly comprises two supports and is movably arranged on two LED matrix light sources between the support, on two supports, arc chute is set respectively, position in LED matrix light source both sides corresponding to arc chute arranges slide bar, slide bar places in the arc chute, and slide bar and arc chute are slidingly connected.Rotate the LED matrix light source, the LED matrix light source swings by arc chute, can realize the free adjustment of different angles incident light.
Shadow surface at the LED matrix light source is provided with diffusing panel.Diffusion effect by diffusing panel so that light become evenly.This machine vision LED lighting source is compared with existing annular light source, can obtain abundanter brightness with incident angle in the situation of mobile lampshade not, and light is even.So that can adapt to more application scenario.Also just can carry out Uniform Illumination to the testee of different sizes, make clarification of objective as far as possible obviously.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is matrix light source modular construction schematic diagram.
Fig. 3 is the electric functional-block diagram of LED matrix light source.
The specific embodiment
Below in conjunction with specific embodiment the present invention is done further concrete detailed description the in detail.
Embodiment
As shown in Figure 1, 2, machine vision LED lighting source of the present invention, comprise end controller (not shown), seat 1, be installed in the matrix light source assembly on the base 1, described matrix light source assembly comprises two supports 3 and is movably arranged on two LED matrix light sources 2 between the support 3.On two supports 3 arc chute 6 is set respectively, the position in LED matrix light source 2 both sides corresponding to arc chute 6 arranges slide bar 5, and slide bar 5 places in the arc chute 6, and slide bar 5 is slidingly connected with arc chute 6.Described matrix light source component count is 10, and by etc. decagon be installed on the base 1.Controller is connected with LED matrix light source 2.
On two supports 3 arc chute 6 is set respectively, the position in LED matrix light source 2 both sides corresponding to arc chute 6 arranges slide bar 5, and slide bar 5 places in the arc chute 6, and slide bar 5 is slidingly connected with arc chute 6.When rotating LED matrix light source 2, LED matrix light source 2 swings by arc chute 6, can realize the free adjustment of different angles incident light.
The shadow surface of LED matrix light source 2 is provided with diffusing panel 4.Diffusion effect by diffusing panel 4 so that light become evenly.
Described LED matrix light source 2 comprises several LED light emitting diodes series winding or is installed in parallel on circuit board.
Be the electrical schematic diagram of LED matrix light source 2 such as Fig. 3, have 98 LED light emitting diodes of 7 row, 14 row, light emitting diode with delegation is connected in parallel, its input is connected respectively to the P00-P06 mouth of 51 singlechip controllers, when controller is then lighted this row LED light emitting diode during at this line output high level; And by to the adjusting of potentiometer can so that the brightness of the LED light emitting diode of whole delegation increase or reduce.The earth terminal of every row LED light emitting diode is all first through a triode and potentiometer ground connection again; The b of the ground connection triode of 7 row end is connected in parallel and is connected on the controller in the LED matrix light source 2; The ground connection triode of 10 LED matrix light sources 2 is linked respectively P10-P17, the P20-P21 end of 51 singlechip controllers, can realize light emitting control to whole LED matrix light source 2 by the control to this triode, for example when its b end is input as high level then whole matrix light source all can not light, only have when this set and could realize line by line control when being low level.For example the P10 mouth is the ground connection triode of first matrix light source of control, and the P00 mouth is the light on and off of the first row of first matrix light source of control; When only needing to light the first row of first matrix light source, only needing the P00-P06 set with 51 single-chip microcomputers is that the set of 1000000, P10 mouth is 0, and all the other set are 1 and can realize.
Just can realize preferably the present invention as mentioned above.
Embodiments of the present invention are not restricted to the described embodiments; other are any not to deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (6)
1. a machine vision LED lighting source is characterized in that, comprises base, is installed in the matrix light source assembly on the base, and described matrix light source assembly comprises two supports and is movably arranged on two LED matrix light sources between the support.
2. machine vision LED lighting source according to claim 1, it is characterized in that, on two supports arc chute is set respectively, the position in LED matrix light source both sides corresponding to arc chute arranges slide bar, slide bar places in the arc chute, and slide bar and arc chute are slidingly connected.
3. machine vision LED lighting source according to claim 2 is characterized in that, the shadow surface of described LED matrix light source is provided with diffusing panel.
4. each described machine vision LED lighting source is characterized in that according to claim 1～3, and described matrix light source component count is 10, and by etc. decagon be installed on the base.
5. machine vision LED lighting source according to claim 4 is characterized in that, described LED matrix light source comprises several LED light emitting diodes series winding or is installed in parallel on circuit board.
6. machine vision LED lighting source according to claim 4 is characterized in that, also comprises a controller that is connected with the LED matrix light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104973260A CN102980103A (en) | 2012-11-27 | 2012-11-27 | Machine vision LED (light emitting diode) illumination source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104973260A CN102980103A (en) | 2012-11-27 | 2012-11-27 | Machine vision LED (light emitting diode) illumination source |
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| CN102980103A true CN102980103A (en) | 2013-03-20 |
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| CN2012104973260A Pending CN102980103A (en) | 2012-11-27 | 2012-11-27 | Machine vision LED (light emitting diode) illumination source |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154466A (en) * | 2014-05-20 | 2014-11-19 | 大连日佳电子有限公司 | Optical device for illuminating 3D solder paste thickness checking machine |
| CN104676374A (en) * | 2015-02-11 | 2015-06-03 | 广东工业大学 | Machine vision illumination light source and operating method of machine vision illumination light source |
| CN104989998A (en) * | 2015-06-29 | 2015-10-21 | 昂纳自动化技术（深圳）有限公司 | Light source device for machine vision and method for changing light source angle |
| CN106594685A (en) * | 2016-12-20 | 2017-04-26 | 大连民族大学 | Combined light source bracket for machine vision |
| CN107869953A (en) * | 2016-09-26 | 2018-04-03 | 研祥智能科技股份有限公司 | Strip source fixing device based on Machine Vision Detection |
| CN109307678A (en) * | 2018-10-30 | 2019-02-05 | 华南理工大学 | A kind of taper spinning part ridging defect on-line measuring device and method |
| CN109323164A (en) * | 2018-08-29 | 2019-02-12 | 冯平 | Light-source structure for high reflective surface metal detection |
| CN110231748A (en) * | 2019-06-13 | 2019-09-13 | 江苏理工学院 | Lighting device for machine vision |
| CN111272210A (en) * | 2020-01-21 | 2020-06-12 | 西安大目智能设备研究所有限公司 | Lighting system based on programmable area array light source module and construction method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154466A (en) * | 2014-05-20 | 2014-11-19 | 大连日佳电子有限公司 | Optical device for illuminating 3D solder paste thickness checking machine |
| CN104676374A (en) * | 2015-02-11 | 2015-06-03 | 广东工业大学 | Machine vision illumination light source and operating method of machine vision illumination light source |
| CN104676374B (en) * | 2015-02-11 | 2017-03-01 | 广东工业大学 | A kind of machine vision illumination light source and its operational approach |
| CN104989998A (en) * | 2015-06-29 | 2015-10-21 | 昂纳自动化技术（深圳）有限公司 | Light source device for machine vision and method for changing light source angle |
| CN107869953A (en) * | 2016-09-26 | 2018-04-03 | 研祥智能科技股份有限公司 | Strip source fixing device based on Machine Vision Detection |
| CN106594685A (en) * | 2016-12-20 | 2017-04-26 | 大连民族大学 | Combined light source bracket for machine vision |
| CN106594685B (en) * | 2016-12-20 | 2023-05-09 | 大连民族大学 | Combined type light source bracket for machine vision |
| CN109323164A (en) * | 2018-08-29 | 2019-02-12 | 冯平 | Light-source structure for high reflective surface metal detection |
| CN109307678A (en) * | 2018-10-30 | 2019-02-05 | 华南理工大学 | A kind of taper spinning part ridging defect on-line measuring device and method |
| CN110231748A (en) * | 2019-06-13 | 2019-09-13 | 江苏理工学院 | Lighting device for machine vision |
| CN111272210A (en) * | 2020-01-21 | 2020-06-12 | 西安大目智能设备研究所有限公司 | Lighting system based on programmable area array light source module and construction method thereof |
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Application publication date: 20130320 |