CN104896369A - LED combined matrix light source for surface detection of heavy rail - Google Patents
LED combined matrix light source for surface detection of heavy rail Download PDFInfo
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- CN104896369A CN104896369A CN201510264876.1A CN201510264876A CN104896369A CN 104896369 A CN104896369 A CN 104896369A CN 201510264876 A CN201510264876 A CN 201510264876A CN 104896369 A CN104896369 A CN 104896369A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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Abstract
The invention particularly relates to an LED combined matrix light source for surface detection of a heavy rail. According to the technical scheme, a lower LED matrix light source (5) is horizontally arranged, an upper LED matrix light source (1) is arranged over the lower LED matrix light source (5) in parallel, and the line connecting the center of the upper LED matrix light source (1) and the center of the lower LED matrix light source (5) is a plumb line. Lower side LED matrix light sources (4), front side LED matrix light sources (3) and upper side LED matrix light sources (2) are symmetrically arranged on the two sides of the plumb line in sequence from bottom to top, the line of centers of the two front side LED matrix light sources (3) is a horizontal line, and the horizontal line and the plump line are equally divided by each other. The LED combined matrix light source for surface detection of the heavy rail has the advantages that the structure is simple, illumination is even, the light distribution effect is good, using is easy and convenient, and the application range is wide.
Description
Technical field
The invention belongs to LED combination matrix light source technical field.Particularly relate to a kind of LED combination matrix light source for heavy rail Surface testing.
Background technology
Machine vision replaces human eye to do various detection, identification and measurement with machine.NI Vision Builder for Automated Inspection converts the target be ingested to picture signal by image capturing system (light source, camera, camera lens etc.), and sends image processing system to.Image processing system, according to information such as pixel bright spot and distribution of color, carries out feature extraction to target, and does corresponding judgement, and then controls on-the-spot equipment according to result.
NI Vision Builder for Automated Inspection has the feature such as high efficiency and high automation.In industrial processes in enormous quantities, if by artificial visual inspection product quality, often efficiency is low and precision is not high, can increase substantially detection efficiency by Machine Vision Detection; Meanwhile, be not suitable at some the occasion that the hazardous environment of manual work or human eye be difficult to meet the demands, human eye must be replaced by machine vision; And machine vision is easy to realize information integerated, it is one of basic technology realizing computer integrated manufacturing system.Therefore, in modern automation production process, NI Vision Builder for Automated Inspection is widely used in the aspects such as assembling and positioning, product quality detection and product identification by people.
The core of NI Vision Builder for Automated Inspection is the acquisition and processing of image.All information all derives among image, and the quality of image itself is very crucial to whole vision system.Light source is then the key factor of effect diagram as acquisition quality, because it directly affects quality and the effect of input data.Designed by suitable light illumination, the target information in image and background information is made to obtain optimal separation, the difficulty that greatly can reduce image processing algorithm segmentation and identify, improve location and the certainty of measurement of NI Vision Builder for Automated Inspection simultaneously, the reliability of NI Vision Builder for Automated Inspection and combination property are improved.If light source preparation is improper, finally can cause being difficult to process the target information obtained.Therefore, the success or failure of light source preparation are the primary factor determining NI Vision Builder for Automated Inspection success or failure.
At present, the polishing mode of heavy rail Surface testing arranges four strip sources up and down at heavy rail, and during use, four strip source inclination certain angles are to front irradiation.Side surface due to heavy rail is not single plane, formed by multiple surface composition, strip source direct irradiation is on heavy rail surface, result in the light luminance distribution being radiated at heavy rail surface even not, present polyline shaped, the line that line-scan digital camera is captured not in same lighted region, thus is difficult to the defect accurately detecting heavy rail surface.
Summary of the invention
The present invention is intended to overcome prior art defect, and object is to provide the LED combination matrix light source for heavy rail Surface testing that a kind of structure is simple, uniform light, light distribution effect are good, easy to use and applied widely.
For achieving the above object, the technical solution used in the present invention is: described LED combination matrix light source comprises LED matrix light source, lower LED matrix light source, two positive side LED matrix light sources, two upside LED matrix light sources, two downside LED matrix light sources, two the first extensible members, two the second extensible members and hinges.Described hinge is two the first hinges, two the second hinges, two the 3rd hinges, two the 4th hinges, two pentahapto pages and two six directions pages.
Lower LED matrix light source is horizontally disposed with, directly over lower LED matrix light source, be provided with LED matrix light source abreast, and the line at the center of upper LED matrix light source and the center of lower LED matrix light source is a plumb line.Downside LED matrix light source, positive side LED matrix light source and upside LED matrix light source is provided with from lower to upper successively symmetrically in the both sides of described plumb line, the line of centres of wherein two positive side LED matrix light sources is a horizontal line, and described horizontal line and described plumb line are divided equally mutually.
The side outer wall of lower LED matrix light source is connected with the lower end of the first extensible member by the first hinge, the upper end of the first extensible member is connected with the downside outer wall of downside LED matrix light source by the second hinge, the upside outer wall of downside LED matrix light source is connected with the downside outer wall of positive side LED matrix light source by the 3rd hinge, the upside outer wall of positive side LED matrix light source is connected with the downside outer wall of upside LED matrix light source by the 4th hinge, the upside outer wall of upside LED matrix light source is connected with the lower end of the second extensible member by pentahapto page, the upper end of the second extensible member is connected with the side outer wall of upper LED matrix light source by six directions page.
The pair of metal blade that described first hinge is connected by pin forms.The center of the first metal blade is wherein provided with centre bore, and left side and the right side of centre bore are provided with circular hole symmetrically, and the circular arc of circular hole is a part for the circle taking centre bore as the center of circle; The second metal blade is wherein provided with the first screw hole symmetrically near left side place with near right side place.The shape and structure of the first hinge is identical with the shape and structure of six directions page with the shape and structure of the shape and structure of the second hinge, pentahapto page.
The pair of metal blade that described 3rd hinge is connected by pin forms, and the shape and structure of two metal blades is all identical with the shape and structure of the first metal blade of the first hinge.The shape and structure of the 4th hinge is identical with the shape and structure of the 3rd hinge.
The structure of described first extensible member is: be provided with slide block symmetrically at the two ends of slide plate; Slide block is cuboid, the lower plane of slide block has dovetail groove along its length, the upper plane of slide block is provided with locating hole and two the second screw holes, locating hole is positioned at the middle position near a broadside, and the center of two the second screw holes is identical with the center of two the first screw holes of the first hinge.Slide plate is stripe board, and the cross sectional shape of stripe board is isosceles trapezoid, and isosceles trapezoid is identical with the dovetailed cross section shape of slide block.The shape and structure of the second extensible member is identical with the shape and structure of the first extensible member.
The length of described upper LED matrix light source is 1.05 ~ 1.1 times of heavy duty rail head tread width to be measured.
The length of described lower LED matrix light source is 1.05 ~ 1.1 times of heavy rail flange of rail bottom width to be measured.
The length of described positive side LED matrix light source is 1.05 ~ 1.1 times of heavy rail rail body height H to be measured.
The length of described upside LED matrix light source is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail cross section to be measured and the wire length of upper end, flange of rail side.
The length of described downside LED matrix light source is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail cross section to be measured and the wire length of lower end, rail head side.
The center position of the both sides outer wall of described upper LED matrix light source is provided with hinge bolt, left side place and the right side place of hinge bolt are provided with hinge set bolt symmetrically, and the centre-to-centre spacing of hinge bolt and hinge set bolt equals the arc radius of the circular hole of the first hinge; The shape and structure of the both sides outer wall of upper LED matrix light source is identical with the shape and structure of the both sides outer wall of two downside LED matrix light sources with the shape and structure of the shape and structure of the shape and structure of lower LED matrix light source both sides outer wall, LED matrix light source both sides, two positive sides outer wall, LED matrix light source both sides, two upsides outer wall.
Owing to adopting technique scheme, the present invention has following good effect:
The present invention is formed by two kinds of different gemel connections by upper LED matrix light source, lower LED matrix light source, two positive side LED matrix light sources, two upside LED matrix light sources, two downside LED matrix light sources, two the first extensible members and two the second extensible members, and structure is simple.
The side outer arm of lower LED matrix light source is connected with the first metal blade of the first hinge with two hinge set bolts by location set bolt, hinge bolt is placed in the centre bore of the first metal blade, two hinge set bolts are placed in two circular holes of the first metal blade respectively, mutually can slide between hinge set bolt and circular hole, after slip, tighten the angle of incidence of light α that two hinge set bolts can fix lower LED matrix light source; Similarly, the connected mode of the first metal blade of two metal blades of the 3rd hinge, two metal blades of the 4th hinge, the second hinge, the first metal blade of pentahapto page and the first metal blade of six directions page is similar to the connected mode of the first metal blade of the first hinge, also can adjust the angle of incidence of light α of all the other LED matrix light sources.Therefore angle of incidence of light α of the present invention is easy to adjust, angle of incidence of light α is 40 ° ~ 50 °.The lighted region that angle of incidence of light α can make line-scan digital camera photograph heavy rail surface to be measured after adjusting can not present polyline shaped, can obtain more abundant brightness simultaneously, improves the quality obtaining image.
According to the size of heavy rail to be detected, first adjust the relative position between the two ends slide block of the first extensible member and slide plate, by the locating hole bolt tightening of the first extensible member two ends slide block; By screw, the two ends slide block of the first extensible member is fixedly connected with the second metal blade of the second hinge with the second metal blade of the first corresponding hinge again.The connected mode of the second extensible member is similar to the connected mode of the first extensible member.Therefore the present invention can adjust the distance of LED matrix light source and heavy rail to be measured.
The size of the upper LED matrix light source in the present invention, lower LED matrix light source, two positive side LED matrix light sources, two upside LED matrix light sources and two downside LED matrix light sources customizes according to maximum number heavy rail size, by regulating the angle of incidence of light α of the length of the first extensible member, the second extensible member and corresponding LED matrix light source, the present invention can be made to meet the heavy rail Surface testing of different model.Therefore it is applied widely.
Length due to upper LED matrix light source is 1.05 ~ 1.1 times of heavy duty rail head tread width to be measured, then the light going up LED matrix light source can cover the whole tread of heavy duty rail head to be measured; Similarly, the light of lower LED matrix light source can cover the whole bottom surface of the heavy rail flange of rail to be measured.In addition, the length of positive side LED matrix light source is 1.05 ~ 1.1 times of heavy rail rail body height H to be measured, the length of upside LED matrix light source is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail cross section to be measured and the wire length of upper end, flange of rail side, the length of downside LED matrix light source is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail cross section to be measured and the wire length of lower end, rail head side, therefore the light of two positive side LED matrix light sources can cover left surface corresponding to heavy rail rail body to be measured and right flank, the light of two upside LED matrix light sources can cover the web of the rail natural axis of the heavy rail cross section to be measured region corresponding to both sides, upper end, flange of rail side, the light of two downside LED matrix light sources can cover the web of the rail natural axis of the heavy rail cross section to be measured region corresponding to both sides, lower end, rail head side.Separately because upper LED matrix light source, lower LED matrix light source, two positive side LED matrix light sources, two upside LED matrix light sources are identical with the width of two downside LED matrix light sources, in unit are, the number of LED is identical.Therefore uniform light and light distribution effect good.
The present invention is in use: first the geometric center point of heavy rail cross section to be measured overlapped with geometric center point of the present invention, heavy duty rail head tread to be measured and upper LED matrix light source be arranged in parallel; Regulate the angle of incidence of light α of upper LED matrix light source, lower LED matrix light source and two positive side LED matrix light sources again, upper LED matrix light source, lower LED matrix light source and two positive side LED matrix light sources are fixed on the corresponding position of support; Then the angle of incidence of light α of upside LED matrix light source and downside LED matrix light source is regulated by corresponding hinge and extensible member, and fixing corresponding hinge and extensible member; Finally open the controller of LED combination light source, bring into use.Therefore the present invention is easy to use.
Therefore, the present invention has the advantages that structure is simple, uniform illumination, light distribution effect are good, easy to use and applied widely.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the structure for amplifying schematic diagram of the first hinge 6 in Fig. 1;
Fig. 3 is the structure for amplifying schematic diagram of the second hinge 8 in Fig. 1;
Fig. 4 is the structure for amplifying schematic diagram of the first extensible member 7 in Fig. 1;
Fig. 5 is the enlarged side view of upper LED matrix light source 1 in Fig. 1;
Fig. 6 is the geometrical relationship schematic diagram of the present invention and heavy rail to be measured 25;
Fig. 7 is that one of the present invention uses schematic diagram;
Fig. 8 is the close-up schematic view of I in Fig. 7;
Fig. 9 is the close-up schematic view of II in Fig. 7.
Detailed description of the invention
Now the invention will be further described with detailed description of the invention by reference to the accompanying drawings, the restriction not to its protection domain.
embodiment1
A kind of LED combination matrix light source for heavy rail Surface testing.As shown in figures 1 to 6, described LED combination matrix light source comprises LED matrix light source 1, lower LED matrix light source 5, two positive side LED matrix light sources 3, two upside LED matrix light source 2, two downside LED matrix light source 4, two the first extensible members 7, two second extensible members 12 and hinges.Described hinge is two the first hinges, 6, two the second hinges, 8, two the 3rd hinges, 9, two the 4th hinge 10, two pentahapto pages 11 and two six directions pages 13.
As shown in figures 1 to 6, lower LED matrix light source 5 is horizontally disposed with, directly over lower LED matrix light source 5, be provided with LED matrix light source 1 abreast, and the line at the center of upper LED matrix light source 1 and the center of lower LED matrix light source 5 is a plumb line.Downside LED matrix light source 4, positive side LED matrix light source 3 and upside LED matrix light source 2 is provided with from lower to upper successively symmetrically in the both sides of described plumb line, the line of centres of wherein two positive side LED matrix light sources 3 is a horizontal line, and described horizontal line and described plumb line are divided equally mutually.
As Fig. 1 and Fig. 6, the side outer wall of lower LED matrix light source 5 is connected with the lower end of the first extensible member 7 by the first hinge 6, the upper end of the first extensible member 7 is connected with the downside outer wall of downside LED matrix light source 4 by the second hinge 8, the upside outer wall of downside LED matrix light source 4 is connected with the downside outer wall of positive side LED matrix light source 3 by the 3rd hinge 9, the upside outer wall of positive side LED matrix light source 3 is connected with the downside outer wall of upside LED matrix light source 2 by the 4th hinge 10, the upside outer wall of upside LED matrix light source 2 is connected with the lower end of the second extensible member 12 by pentahapto page 11, the upper end of the second extensible member 12 is connected with the side outer wall of upper LED matrix light source 1 by six directions page 13.
As shown in Figure 2, the pair of metal blade that described first hinge 6 is connected by pin forms.The center of the first metal blade 18 is wherein provided with centre bore 14, and the left side of centre bore 14 and right side are provided with circular hole 15 symmetrically, and the circular arc of circular hole 15 is with a part for centre bore 14 circle that is the center of circle; The second metal blade 17 is wherein provided with the first screw hole 16 symmetrically near left side place with near right side place.The shape and structure of the first hinge 6 is identical with the shape and structure of six directions page 13 with the shape and structure of the shape and structure of the second hinge 8, pentahapto page 11.
As shown in Figure 3, the pair of metal blade that described 3rd hinge 9 is connected by pin forms, and the shape and structure of two metal blades is all identical with the shape and structure of the first metal blade 18 of the first hinge 6.The shape and structure of the 4th hinge 10 is identical with the shape and structure of the 3rd hinge 9.
As shown in Figure 4, the structure of the first described extensible member 7 is: be provided with slide block 21 symmetrically at the two ends of slide plate 22; Slide block 21 is cuboid, the lower plane of slide block 21 has dovetail groove along its length, the upper plane of slide block 21 is provided with locating hole 19 and two the second screw holes 20, locating hole 19 is positioned at the middle position near a broadside, and the center of two the second screw holes 20 is identical with the center of two the first screw holes 16 of the first hinge 6.Slide plate 22 is stripe board, and the cross sectional shape of stripe board is isosceles trapezoid, and isosceles trapezoid is identical with the dovetailed cross section shape of slide block 21.The shape and structure of the second extensible member 12 is identical with the shape and structure of the first extensible member 7.
As shown in Figure 6, the length of described upper LED matrix light source 1 is 1.05 ~ 1.08 times of heavy rail 25 rail head tread width to be measured.
As shown in Figure 6, the length of described lower LED matrix light source 5 is 1.05 ~ 1.08 times of heavy rail 25 flange of rail bottom width to be measured.
As shown in Figure 6, the length of described positive side LED matrix light source 3 is 1.05 ~ 1.08 times of heavy rail 25 rail body height H to be measured.
As shown in Figure 6, the length of described upside LED matrix light source 2 is 1.05 ~ 1.08 times of the web of the rail natural axis of heavy rail 25 cross section to be measured and the wire length of upper end, flange of rail side.
As shown in Figure 6, the length of described downside LED matrix light source 4 is 1.05 ~ 1.08 times of the web of the rail natural axis of heavy rail 25 cross section to be measured and the wire length of lower end, rail head side.
As shown in Figure 5, the center position of the both sides outer wall of described upper LED matrix light source 1 is provided with hinge bolt 23, left side place and the right side place of hinge bolt 23 are provided with hinge set bolt 24 symmetrically, and the centre-to-centre spacing of hinge bolt 23 and hinge set bolt 24 equals the arc radius of the circular hole 15 of the first hinge 6; The shape and structure of upper LED matrix light source 1 both sides outer wall is identical with the shape and structure of LED matrix light source 4 both sides, two downsides outer wall with the shape and structure of the shape and structure of the shape and structure of lower LED matrix light source 5 both sides outer wall, LED matrix light source 3 both sides, two positive sides outer wall, LED matrix light source 2 both sides, two upsides outer wall.
embodiment2
A kind of LED combination matrix light source for heavy rail Surface testing.Except following technical parameter, all the other are with embodiment 1.
The length of described upper LED matrix light source 1 is 1.07 ~ 1.10 times of heavy rail 25 rail head tread width to be measured.
The length of described lower LED matrix light source 5 is 1.07 ~ 1.10 times of heavy rail 25 flange of rail bottom width to be measured.
The length of described positive side LED matrix light source 3 is 1.07 ~ 1.10 times of heavy rail 25 rail body height H to be measured.
The length of described upside LED matrix light source 2 is 1.07 ~ 1.10 times of the web of the rail natural axis of heavy rail 25 cross section to be measured and the wire length of upper end, flange of rail side.
The length of described downside LED matrix light source 4 is 1.07 ~ 1.10 times of the web of the rail natural axis of heavy rail 25 cross section to be measured and the wire length of lower end, rail head side.
This detailed description of the invention has following good effect:
As shown in Fig. 1, Fig. 6 and Fig. 7, this detailed description of the invention is formed by two kinds of different gemel connections by upper LED matrix light source 1, lower LED matrix light source 5, two positive side LED matrix light sources 3, two upside LED matrix light source 2, two downside LED matrix light source 4, two the first extensible members 7 and two the second extensible members 12, and structure is simple.
The side outer arm of lower LED matrix light source 5 is connected with the first metal blade 18 of the first hinge 6 with two hinge set bolts 24 by hinge bolt 23, hinge bolt 23 is placed in the centre bore 14 of the first metal blade 18, two hinge set bolts 24 are placed in two circular holes 15 of the first metal blade 18 respectively, mutually can slide between hinge bolt 24 and circular hole 15, after slip, tighten the angle of incidence of light α that two hinge bolts 24 can fix lower LED matrix light source 5.Similarly, the connected mode of the first metal blade of two metal blades of the 3rd hinge 9, two metal blades of the 4th hinge 10, the second hinge 8, the first metal blade of pentahapto page 11 and the first metal blade of six directions page 13 is similar to the connected mode of the first metal blade 18 of the first hinge 6, also can adjust the angle of incidence of light α of all the other LED matrix light sources.Therefore the angle of incidence of light α of this detailed description of the invention is easy to adjust, angle of incidence of light α is 40 ° ~ 50 °.The lighted region that angle of incidence of light α can make line-scan digital camera photograph heavy rail 25 surface to be measured after adjusting can not present polyline shaped, can obtain more abundant brightness simultaneously, improves the quality obtaining image.
According to the size of heavy rail 25 to be detected, first adjust the relative position between the slide block 21 at the first extensible member 7 two ends and slide plate 22, by locating hole 19 bolt tightening of the first extensible member 7 two ends slide block 21; By screw, second metal blade 17 of the two ends slide block 21 of the first extensible member 7 with the first corresponding hinge 6 is fixedly connected with the second metal blade of the second hinge 8 again.The connected mode of the second extensible member 12 is similar to the connected mode of the first extensible member 7.Therefore this detailed description of the invention can adjust the distance of LED matrix light source and heavy rail to be measured 25.
The size of the upper LED matrix light source 1 in this detailed description of the invention, lower LED matrix light source 5, two positive side LED matrix light sources 3, two upside LED matrix light source 2 and two downside LED matrix light sources 4 customizes according to maximum number heavy rail size, by regulating the angle of incidence of light α of the length of the first extensible member 7, second extensible member 12 and corresponding LED matrix light source, this detailed description of the invention can be made to meet the heavy rail Surface testing of different model.Therefore it is applied widely.
As shown in Figure 6, the length due to upper LED matrix light source 1 is 1.05 ~ 1.1 times of heavy rail 25 rail head tread width to be measured, then the light going up LED matrix light source 1 can cover the whole tread of heavy rail 25 rail head to be measured; Similarly, the light of lower LED matrix light source 5 can cover the whole bottom surface of heavy rail 25 flange of rail to be measured.In addition, the length of positive side LED matrix light source 3 is 1.05 ~ 1.1 times of heavy rail 25 rail body height H to be measured, the length of upside LED matrix light source 2 is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail 25 cross section to be measured and the wire length of upper end, flange of rail side, the length of downside LED matrix light source 4 is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail 25 cross section to be measured and the wire length of lower end, rail head side, therefore the light of two positive side LED matrix light sources 3 can cover left surface corresponding to heavy rail 25 rail body to be measured and right flank, the light of two upside LED matrix light sources 2 can cover the web of the rail natural axis of the heavy rail 25 cross section to be measured region corresponding to both sides, upper end, flange of rail side, the light of two downside LED matrix light sources 4 can cover the web of the rail natural axis of the heavy rail 25 cross section to be measured region corresponding to both sides, lower end, rail head side.Separately because LED matrix light source 2 on the upside of upper LED matrix light source 1, lower LED matrix light source 5, two positive side LED matrix light sources 3, two is identical with the width of two downside LED matrix light sources 4, in unit are, the number of LED is identical.Therefore uniform light and light distribution effect good.
This detailed description of the invention is in use: as shown in Figure 7, first the geometric center point of heavy rail 25 cross section to be measured overlapped with the geometric center point of this detailed description of the invention, heavy rail 25 rail head tread to be measured and upper LED matrix light source 1 be arranged in parallel; Regulate the angle of incidence of light α of upper LED matrix light source 1, lower LED matrix light source 5 and two positive side LED matrix light sources 3 again, upper LED matrix light source 1, lower LED matrix light source 5 and two positive side LED matrix light sources 3 are fixed on the corresponding position of support 26; Then as shown in Figure 8 and Figure 9, the angle of incidence of light α of upside LED matrix light source 2 and downside LED matrix light source 4 is regulated by corresponding hinge and extensible member, and fixing corresponding hinge and extensible member; Finally open the controller of LED combination light source, bring into use.Therefore this detailed description of the invention is easy to use.
Therefore, this detailed description of the invention has the advantages that structure is simple, uniform illumination, light distribution effect are good, easy to use and applied widely.
Claims (10)
1., for a LED combination matrix light source for heavy rail Surface testing, it is characterized in that described LED combination matrix light source comprises LED matrix light source (1), lower LED matrix light source (5), two positive sides LED matrix light source (3), two upsides LED matrix light source (2), two downsides LED matrix light source (4), two the first extensible members (7), two the second extensible members (12) and hinges; Described hinge is two the first hinges (6), two the second hinges (8), two the 3rd hinges (9), two the 4th hinges (10), two pentahapto pages (11) and two six directions pages (13);
Lower LED matrix light source (5) is horizontally disposed with, directly over lower LED matrix light source (5), be provided with upper LED matrix light source (1) abreast, the line at the center of upper LED matrix light source (1) and the center of lower LED matrix light source (5) is a plumb line; Downside LED matrix light source (4), positive side LED matrix light source (3) and upside LED matrix light source (2) is provided with from lower to upper successively symmetrically in the both sides of described plumb line, the line of centres of wherein two positive sides LED matrix light source (3) is a horizontal line, and described horizontal line and described plumb line are divided equally mutually;
The side outer wall of lower LED matrix light source (5) is connected with the lower end of the first extensible member (7) by the first hinge (6), the upper end of the first extensible member (7) is connected with the downside outer wall of downside LED matrix light source (4) by the second hinge (8), the upside outer wall of downside LED matrix light source (4) is connected with the downside outer wall of positive side LED matrix light source (3) by the 3rd hinge (9), the upside outer wall of positive side LED matrix light source (3) is connected with the downside outer wall of upside LED matrix light source (2) by the 4th hinge (10), the upside outer wall of upside LED matrix light source (2) is connected with the lower end of the second extensible member (12) by pentahapto page (11), the upper end of the second extensible member (12) is connected with the side outer wall of upper LED matrix light source (1) by six directions page (13).
2. the LED combination matrix light source for heavy rail Surface testing according to claim 1, is characterized in that the pair of metal blade that described first hinge (6) is connected by pin forms;
The center of the first metal blade (18) is wherein provided with centre bore (14), the left side of centre bore (14) and right side are provided with circular hole (15) symmetrically, and the circular arc of circular hole (15) is with a part for centre bore (14) circle that is the center of circle; The second metal blade (17) is wherein provided with the first screw hole (16) symmetrically near left side place with near right side place; The shape and structure of the first hinge (6) is identical with the shape and structure of six directions page (13) with the shape and structure of the shape and structure of the second hinge (8), pentahapto page (11).
3. the LED combination matrix light source for heavy rail Surface testing according to claim 1, it is characterized in that the pair of metal blade that described 3rd hinge (9) is connected by pin forms, the shape and structure of two metal blades is all identical with the shape and structure of first metal blade (18) of the first hinge (6); The shape and structure of the 4th hinge (10) is identical with the shape and structure of the 3rd hinge (9).
4. the LED combination matrix light source for heavy rail Surface testing according to claim 1, is characterized in that the structure of described first extensible member (7) is: be provided with slide block (21) symmetrically at the two ends of slide plate (22); Slide block (21) is cuboid, the lower plane of slide block (21) has dovetail groove along its length, the upper plane of slide block (21) is provided with locating hole (19) and two the second screw holes (20), locating hole (19) is positioned at the middle position near a broadside, and the center of two the second screw holes (20) is identical with the center of two the first screw holes (16) of the first hinge (6); Slide plate (22) is stripe board, and the cross sectional shape of stripe board is isosceles trapezoid, and isosceles trapezoid is identical with the dovetailed cross section shape of slide block (21); The shape and structure of the second extensible member (12) is identical with the shape and structure of the first extensible member (7).
5. the LED combination matrix light source for heavy rail Surface testing according to claim 1, is characterized in that the length of described upper LED matrix light source (1) is 1.05 ~ 1.1 times of heavy rail to be measured (25) rail head tread width.
6. the LED combination matrix light source for heavy rail Surface testing according to claim 1, is characterized in that the length of described lower LED matrix light source (5) is 1.05 ~ 1.1 times of heavy rail to be measured (25) flange of rail bottom width.
7. the LED combination matrix light source for heavy rail Surface testing according to claim 1, is characterized in that the length of described positive side LED matrix light source (3) is 1.05 ~ 1.1 times of heavy rail to be measured (25) rail body height H.
8. the LED combination matrix light source for heavy rail Surface testing according to claim 1, is characterized in that the length of described upside LED matrix light source (2) is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail to be measured (25) cross section and the wire length of upper end, flange of rail side.
9. the LED combination matrix light source for heavy rail Surface testing according to claim 1, is characterized in that the length of described downside LED matrix light source (4) is 1.05 ~ 1.1 times of the web of the rail natural axis of heavy rail to be measured (25) cross section and the wire length of lower end, rail head side.
10. the LED combination matrix light source for heavy rail Surface testing according to claim 1, it is characterized in that the center position of the both sides outer wall of described upper LED matrix light source (1) is provided with hinge bolt (23), the left side place of hinge bolt (23) and right side place are provided with hinge set bolt (24) symmetrically, and the centre-to-centre spacing of hinge bolt (23) and hinge set bolt (24) equals the arc radius of the circular hole (15) of the first hinge (6); The shape and structure of upper LED matrix light source (1) both sides outer wall is identical with the shape and structure of LED matrix light source (4) both sides, two downsides outer wall with the shape and structure of the shape and structure of the shape and structure of lower LED matrix light source (5) both sides outer wall, LED matrix light source (3) both sides, two positive sides outer wall, LED matrix light source (2) both sides, two upsides outer wall.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464954A (en) * | 2001-07-31 | 2003-12-31 | 康福产品公司 | Electrical track lighting system |
| CN204611442U (en) * | 2015-05-22 | 2015-09-02 | 武汉科技大学 | A kind of annular LED matrix light source for heavy rail Surface testing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464954A (en) * | 2001-07-31 | 2003-12-31 | 康福产品公司 | Electrical track lighting system |
| CN204611442U (en) * | 2015-05-22 | 2015-09-02 | 武汉科技大学 | A kind of annular LED matrix light source for heavy rail Surface testing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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