CN114397242B - Light source for light supplement - Google Patents
Light source for light supplement Download PDFInfo
- Publication number
- CN114397242B CN114397242B CN202111523821.XA CN202111523821A CN114397242B CN 114397242 B CN114397242 B CN 114397242B CN 202111523821 A CN202111523821 A CN 202111523821A CN 114397242 B CN114397242 B CN 114397242B
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- sector ring
- ring area
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a light supplementing light source, which comprises a lamp bead seat, and a plurality of G lamp beads, B lamp beads and R lamp beads, wherein an arc-shaped groove and a light transmission hole are arranged on the lamp bead seat, the space of the arc-shaped groove is in a spherical segment shape, the light transmission hole is positioned at the center of the arc-shaped groove, the bottom of the arc-shaped groove is divided into a first sector ring area, a second sector ring area, a third sector ring area and a fourth sector ring area, the first sector ring area and the third sector ring area are symmetrical in the front-back direction, the second sector ring area and the fourth sector ring area are symmetrical in the left-right direction, and the area of the first sector ring area is larger than that of the second sector ring area; the G lamp bead is arranged in the second sector ring area and the fourth sector ring area, the B lamp bead is arranged in the first sector ring area, the R lamp bead is arranged in the third sector ring area, and the G lamp bead, the B lamp bead and the R lamp bead all surround the geometric circle center of a space towards the bottom of the groove. Through the bright and dark degree of the lamp pearl of controlling different sector ring district/different colours, the light irradiation of different angles, colour and bright and dark degree is detected the thing, improves the definition and the third dimension of the image that CCD obtained.
Description
Technical Field
The invention relates to the technical field of visual detection, in particular to a light supplementing light source.
Background
In a visual detection system, the object to be detected needs to be supplemented with light properly, and the target detail information of the object to be detected can be fully revealed, so that a high-quality and high-contrast image can be obtained, defects can be effectively identified or the algorithm difficulty can be reduced, and the precision and stability of visual detection can be improved.
At the present stage, it is common in the market that annular light source, bar light source and point light source etc. these light sources play fine light filling effect to the plane defect, are favorable to the CCD of visual detection system to obtain clear image, and the plane defect can fine be differentiateed out to the visual detection system, and to the defect of complicated changeable stereoscopic surface, CCD's imaging effect is weak, and the third dimension of image is not good, and detailed information shows not comprehensively, and then the precision and the stability that lead to the visual detection system to differentiate the defect are relatively poor.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the light supplementing light source provided by the invention can be used for comprehensively supplementing light to an object to be detected, and is good in light supplementing effect, so that the precision and the stability of a visual detection system are improved.
The light supplementing light source comprises a lamp bead seat, and a plurality of G lamp beads, B lamp beads and R lamp beads, wherein an arc groove and a light hole are formed in the lamp bead seat, the space of the arc groove is in a spherical segment shape, the light hole is located in the center of the arc groove, the bottom of the arc groove is divided into a first sector ring area, a second sector ring area, a third sector ring area and a fourth sector ring area, the first sector ring area and the third sector ring area are symmetrical in the front-back direction, the second sector ring area and the fourth sector ring area are symmetrical in the left-right direction, and the area of the first sector ring area is larger than that of the second sector ring area; g lamp pearl is located second sector ring district with fourth sector ring district, B lamp pearl is located first sector ring district, R lamp pearl is located third sector ring district, G lamp pearl B lamp pearl with R lamp pearl all moves towards the geometric centre of a circle in space is enclosed into to the tank bottom.
The method has at least the following beneficial effects: the light emitted by the G lamp bead, the B lamp bead and the R lamp bead is concentrated and irradiates the geometric circle center of the space enclosed by the groove bottom, and the detected object is placed in the geometric circle center of the space enclosed by the groove bottom, so that the detected object can be supplemented with light in a larger direction. The light reflected by the object to be detected reaches the CCD through the light-transmitting hole. The defects of the detected object are more obvious under the irradiation of green light with relatively high angle; one side of the detected object presents blue, and the other opposite side presents red, so that an asymmetric effect on an optical effect is formed, and the defect presentation is facilitated. The light supplement of different colors of the detected object at multiple angles can be realized by controlling the brightness degree of the lamp beads in different sector ring areas/different colors. The defects of different detected objects or different types of defects are irradiated by light with different angles, colors and brightness degrees, the definition and the stereoscopic impression of images obtained by the CCD are improved, and the precision and the stability of a visual detection system are further improved.
According to some embodiments of the invention, the lamp bead seat is provided with a plurality of mounting holes for mounting the G lamp bead, the B lamp bead and the R lamp bead.
According to some embodiments of the invention, the mounting hole is a stepped hole.
According to some embodiments of the invention, the lamp comprises a lamp shade covering the lamp bead seat, the lamp shade is provided with a through hole and a wire hole, and the through hole is coaxial with the light hole.
According to some embodiments of the invention, the lamp holder is connected to the lamp shade through two connecting rods, and the two connecting rods and the axis of the light hole are on the same plane.
According to some embodiments of the present invention, a light pipe is disposed on the lamp bead seat, the light pipe is coaxial with the light hole, an inner diameter of the light pipe is equal to an aperture of the light hole, and one end of the light pipe penetrates through the through hole.
According to some embodiments of the invention, the lamp holder is provided with an outer extension at a region close to the notch of the arc-shaped groove, and a side surface of the outer extension abuts against a side wall of the opening of the lamp cover.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic structural diagram of a fill-in light source according to an embodiment of the present invention;
FIG. 2 is a side view of another embodiment of a fill-in light source of the present invention;
fig. 3 is a schematic structural view of another embodiment of a light supplement light source according to the present invention after a lampshade is hidden.
Reference numbers: the lamp bead seat comprises a lamp bead seat 100, a light hole 110, a first fan ring area 120, a second fan ring area 130, a third fan ring area 140, a fourth fan ring area 150, a mounting hole 160, an outer extension part 170, G lamp beads 200, B lamp beads 300, R lamp beads 400, a lamp shade 500, a through hole 510, a wire hole 520, a connecting rod 600 and a light guide pipe 700.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation descriptions referred to, for example, the left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, the invention discloses a light supplementing light source, which comprises a lamp bead base 100, and a plurality of G lamp beads 200, B lamp beads 300 and R lamp beads 400, wherein the lamp bead base 100 is provided with an arc-shaped groove and a light hole 110, the space of the arc-shaped groove is in a spherical segment shape, the light hole 110 is positioned at the center of the arc-shaped groove, the bottom of the arc-shaped groove is divided into a first sector ring area 120, a second sector ring area 130, a third sector ring area 140 and a fourth sector ring area 150, the first sector ring area 120 and the third sector ring area 140 are symmetrical in the front-back direction, the second sector ring area 130 and the fourth sector ring area 150 are symmetrical in the left-right direction, and the area of the first sector ring area 120 is larger than that of the second sector ring area 130; g lamp bead 200 is arranged in second sector ring area 130 and fourth sector ring area 150, B lamp bead 300 is arranged in first sector ring area 120, R lamp bead 400 is arranged in third sector ring area 140, G lamp bead 200, B lamp bead 300 and R lamp bead 400 all face the groove bottom to form the geometric circle center of the space.
The first sector ring area 120 is provided with a B lamp bead 300, the B lamp bead 300 emits blue light, the second sector ring area 130 and the fourth sector ring area 150 are provided with a G lamp bead 200, the G lamp bead 200 emits blue light, the third sector ring area 140 is provided with an R lamp bead 400, and the R lamp bead 400 emits red light. The light reflected by the object to be detected reaches the CCD through the light transmission hole 110.
The defects of the detected object are more obvious under the irradiation of green light with relatively high angle; one side of the detected object presents blue, and the other opposite side presents red, so that an asymmetric effect on an optical effect is formed, and the defect presentation is facilitated. The light supplement of different colors of the detected object at multiple angles can be realized by controlling the brightness degree of the lamp beads in different sector ring areas/different colors. The defects of different detected objects or different types of defects are irradiated by light with different angles, colors and brightness degrees, the definition and the stereoscopic impression of images obtained by the CCD are improved, and the precision and the stability of a visual detection system are further improved.
The size of the lamp holder 100, the size of the arc-shaped groove and the number of the lamp beads in each sector ring area can be determined according to the size of the detected object. In this embodiment, the number of the B beads 300 and the number of the R beads 400 are both 18, and the number of the G beads 200 is 138.
It can be understood that, be equipped with a plurality of mounting holes 160 that are used for installing G lamp pearl 200, B lamp pearl 300 and R lamp pearl 400 on the lamp pearl seat 100, wear to locate mounting holes 160 with G lamp pearl 200, B lamp pearl 300 and R lamp pearl 400, avoid the lamp pearl too stretch into the space of arc recess in, the wiring of the lamp pearl of being convenient for to and the efficiency of improvement lamp pearl and wiring. Specifically, mounting hole 160 is the through hole, and mounting hole 160 runs through lamp base 100, so can make the luminous end of lamp pearl stretch into the arc recess, and the pin of lamp pearl exposes lamp base 100, and the lamp pearl of being convenient for is connected and is set up wire or cable.
The light supplement source further comprises a lampshade 500 covering the lamp holder 100, and the lampshade 500 plays a role in protecting the lamp holder 100. The lampshade 500 is provided with a through hole 510 and a wire hole 520, the through hole 510 is coaxial with the light hole 110, light reflected by the detected object can sequentially pass through the light hole 110 and the through hole 510, and the wire hole 520 is used for a wire or a cable to pass through.
Referring to fig. 3, the lamp holder 100 is connected to the lamp housing 500 by two connecting rods 600, and the axes of the two connecting rods 600 and the light-transmitting hole 110 are on the same plane, so that the lamp holder 100 and the lamp housing 500 are integrated. Specifically, the two connecting rods 600 are located in the lamp shade 500, the lamp shade 500 is provided with fasteners, and the fasteners are in threaded connection with the end faces of the connecting rods 600 to fix the lamp bead seat 100 and the lamp shade 500 together.
It can be understood that the light pipe 700 is disposed on the lamp holder 100, the light pipe 700 is coaxial with the light hole 110, the inner diameter of the light pipe 700 is equal to the aperture of the light hole 110, and one end of the light pipe 700 penetrates through the through hole 510. The light pipe 700 can prevent external light from entering the path of the reflected light of the detected object, thereby preventing the interference influence of the external light, and the imaging of the CCD can be clearer.
The holder 100 is provided with an outer extension 170 at a region near the notch of the arc-shaped groove, and the side surface of the outer extension 170 abuts against the side wall of the opening of the lamp housing 500, so that there is enough room between the holder 100 and the lamp housing 500 for wiring of wires or cables.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (7)
1. Light supplement light source, its characterized in that includes:
the lamp bead seat is provided with an arc-shaped groove and a light hole, the space of the arc-shaped groove is in a spherical segment shape, the light hole is positioned at the center of the arc-shaped groove, the bottom of the arc-shaped groove is divided into a first sector ring area, a second sector ring area, a third sector ring area and a fourth sector ring area, the first sector ring area and the third sector ring area are symmetrical front and back, the second sector ring area and the fourth sector ring area are symmetrical left and right, and the area of the first sector ring area is larger than that of the second sector ring area;
the G lamp beads are arranged in the second sector ring area and the fourth sector ring area and face the geometric circle center of a space formed by the surrounding of the groove bottom;
the lamp beads B are arranged in the first sector ring area and face the bottom of the groove to form a geometric circle center of a space;
a plurality of R lamp pearls, R lamp pearl is located third sector ring district, R lamp pearl orientation the tank bottom encloses the geometric centre of a circle that becomes the space.
2. The fill-in light source of claim 1, wherein: and the lamp bead seat is provided with a plurality of mounting holes for mounting the G lamp beads, the B lamp beads and the R lamp beads.
3. The fill-in light source of claim 2, wherein: the mounting hole is a stepped hole.
4. A fill-in light source according to claim 2 or 3, wherein: the lamp holder is characterized by further comprising a lamp shade which covers the lamp bead seat, a through hole and a wire hole are formed in the lamp shade, and the through hole is coaxial with the light hole.
5. The fill-in light source of claim 4, wherein: the lamp bead seat is connected with the lamp shade through two connecting rods, and the two connecting rods and the axle center of the light hole are on the same plane.
6. A fill-in light source as claimed in claim 4, wherein: the lamp bead seat is provided with a light pipe, the light pipe is coaxial with the light hole, the inner diameter of the light pipe is equal to the aperture of the light hole, and one end of the light pipe penetrates through the through hole.
7. The fill-in light source of claim 4, wherein: the lamp bead seat is provided with an outer extension part in the area close to the notch of the arc-shaped groove, and the side surface of the outer extension part is abutted against the side wall of the opening of the lamp shade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523821.XA CN114397242B (en) | 2021-12-14 | 2021-12-14 | Light source for light supplement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523821.XA CN114397242B (en) | 2021-12-14 | 2021-12-14 | Light source for light supplement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114397242A CN114397242A (en) | 2022-04-26 |
| CN114397242B true CN114397242B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111523821.XA Active CN114397242B (en) | 2021-12-14 | 2021-12-14 | Light source for light supplement |
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| CN112903712A (en) * | 2021-01-30 | 2021-06-04 | 苏州科洛尼自动化有限公司 | Combined detection system applying multiple light sources and detection method adopting system |
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| CN213957185U (en) * | 2020-12-31 | 2021-08-13 | 成都绝影智能科技有限公司 | Multi-wavelength illumination scratch detection device |
| CN113296254A (en) * | 2021-05-08 | 2021-08-24 | 东莞市兆丰精密仪器有限公司 | Optical microscopic detection light source |
| CN214334675U (en) * | 2021-01-28 | 2021-10-01 | 青岛汉唐生物科技有限公司 | Multi-surface light path plate, light path module and portable glycosylated hemoglobin analyzer |
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2021
- 2021-12-14 CN CN202111523821.XA patent/CN114397242B/en active Active
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|---|---|---|---|---|
| CN204387754U (en) * | 2014-12-31 | 2015-06-10 | 四川新力光源股份有限公司 | A kind of LED dimmed light sources |
| CN205806973U (en) * | 2016-07-22 | 2016-12-14 | 东莞乐视自动化科技有限公司 | A kind of multi-angle annular light source |
| CN206292503U (en) * | 2016-12-29 | 2017-06-30 | 东莞越视光电科技有限公司 | A kind of highlighted uniform dome light source high |
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| CN109001206A (en) * | 2018-05-04 | 2018-12-14 | 华南农业大学 | A kind of fruit defects detection method and detection system based on image recognition |
| CN209084553U (en) * | 2018-12-27 | 2019-07-09 | 东莞乐视自动化科技有限公司 | A kind of AOI vision-based detection light source |
| CN210322821U (en) * | 2019-06-25 | 2020-04-14 | 江苏佳视达光电科技有限公司 | Direct projection arch light source |
| CN213933620U (en) * | 2020-09-22 | 2021-08-10 | 珠海市运泰利自动化设备有限公司 | Polarized light source and surface defect detection device |
| CN213957185U (en) * | 2020-12-31 | 2021-08-13 | 成都绝影智能科技有限公司 | Multi-wavelength illumination scratch detection device |
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| CN114397242A (en) | 2022-04-26 |
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