CN205374278U - Light source device who adheres to regular pattern to high reflecting object - Google Patents
Light source device who adheres to regular pattern to high reflecting object Download PDFInfo
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- CN205374278U CN205374278U CN201521123519.5U CN201521123519U CN205374278U CN 205374278 U CN205374278 U CN 205374278U CN 201521123519 U CN201521123519 U CN 201521123519U CN 205374278 U CN205374278 U CN 205374278U
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- light source
- source cover
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Abstract
The utility model provides a light source device who adheres to regular pattern to high reflecting object, there is the internal flow to have the light source cover of testee and set up the image sensor of two testee images that flow of top both sides to one side at light source cover in being used for gathering light source cover through support symmetry respectively, symmetrically on light source cover's the cover wall be formed with two image acquisition holes that are used for image sensor to carry out image acquisition, be formed with feed port and discharge opening on the lateral wall of light source cover both sides symmetrically, insert the linear guide who is used for to channeling into and derive the testee in the light source cover along feed port and discharge opening with running through, light source cover's the inboard periphery of following in bottom is provided with the cyclic annular light source subassembly as the light source, evenly scribble the monochromatic coating that the one deck has the diffuse reflection characteristic on light source cover's the inside wall, scribble regular spread's the pattern layer that has a diffuse reflection characteristic in the monochromatic coating. The utility model discloses the picture of the high reflecting object surface formation rule pattern in the light source decisive range, and then can reach purposes such as surface decoration, defect detecting.
Description
Technical field
This utility model relates to a kind of light supply apparatus adhering to regular pattern.Particularly relate to the light supply apparatus of a kind of attachment regular pattern reflecting object for height.
Background technology
Described high reflection object be defined as the surface reflectance for light equal to 1 or close to 1 object, namely body surface has properties of specular reflection or is similar to properties of specular reflection.In actual industrial production, this type objects includes polytype products such as plate glass, metallic film, steel ball, Ceramic Balls.
When height reflection object is carried out image acquisition, if using light source direct lighting, then high reverberation surface can form the picture of light source, so that the information of high reverberation surface is annihilated.Therefore, the light supply apparatus that research reflects object for height has practical significance.
Application number is a kind of graphic pattern projection lamp disclosed in the patent of 201520030580.9.This device includes top cover and base, and top cover is fastened on base, and base is provided with projection table, is provided with light source in the projection table of base, and being provided with in projection table can the transparent slide of hand drawing pattern.Pattern can be launched by the light therethrough transparent slide that light source sends, and object is placed on the picture that can obtain projection pattern above top cover on surface.But the some light that light source sends can pass through transparent slide and shine directly into body surface, therefore it is not suitable for high reflection object.
Summary of the invention
Technical problem to be solved in the utility model is, there is provided a kind of and at the picture of the high reverberation surface formation rule pattern in light source sphere of action, and then can reach the light supply apparatus that the purpose such as finishing, defects detection reflects the attachment regular pattern of object for height.
nullThis utility model be the technical scheme is that the light supply apparatus of a kind of attachment regular pattern reflecting object for height，Include internal flow have the light source cover of testee and be symmetricly set on two of both sides, described light source cover oblique upper for gathering the imageing sensor of the testee image of flowing in light source cover respectively through support，Symmetrical on the cover wall of described light source cover it is formed with two image acquisition holes carrying out image acquisition for imageing sensor，The sidewall of light source cover both sides has been asymmetrically formed charging hole and discharge opening，It is penetratingly inserted into the line slideway for importing and derive testee in described light source cover along charging hole and discharge opening，The bottom inside of described light source cover is peripherally provided with the ring-shaped light source component as light source，The medial wall of described light source cover is evenly coated with one layer of mono coat with diffusing characteristic diffuser，Described mono coat scribbles the regularly arranged patterned layer with diffusing characteristic diffuser.
Described testee is lineal layout in described light source cover, and passes through the intersection point of the optical axis along imageing sensor and testee place plane.
The light source baffle plate that described ring-shaped light source component includes the mounting seat for installing luminous component and the light for blocking luminous component shines directly on testee, wherein, described light source baffle plate is integrally attached on the inner rim of mounting seat, collectively form L-type ring body with mounting seat, constitute and the mounting seat of L-type ring body horizontal component is provided with the luminous component that a circle is above uniformly.
Described luminous component is the one in LED light source, quartz halogen lamp, low-pressure sodium lamp, high voltage mercury lamp.
Described luminous component is preferably LED light source.
The described mono coat on light source cover medial wall is different from regularly arranged patterned layer color and has certain gray scale contrast, and mono coat and regularly arranged patterned layer on described light source cover medial wall are all that the different colours spray painting adopting and having high diffuse-reflectance rate is constituted.
The described regularly arranged patterned layer on light source cover medial wall, it it is the concentric circular circular layer that width is identical, interval is equal, or frequency, sinusoidal wave lamina that amplitude is equal, or the rectangle net compartment that gap length is equal, or the stripe layer of the homogeneous radiation being initial point with light source cover top center.
The described regularly arranged patterned layer on light source cover medial wall, is ordered into alphabetical layer or the numeral layer or geometric figure layer of arrangement.
The centre-height in described light source cover upper feeding hole is higher than the centre-height of discharge opening.
Described line slideway is able to the guide rail making testee only retain one-dimensional degree of freedom.
The light supply apparatus of the attachment regular pattern reflecting object for height of the present utility model, it is possible to the picture of the high reverberation surface formation rule pattern in light source sphere of action, and then the purpose such as finishing, defects detection can be reached.The beneficial effects of the utility model:
1, the regular pattern of light source cover inwall reflexes to high reverberation surface, it is possible to reach the effect of trim surface.
2, the picture of the regular pattern that high reverberation surface is formed can as positioning datum.
3, the surface image of adorned high reflection object can be collected by imageing sensor, study the integrity of the picture that high reverberation surface regular pattern is formed, it is possible to achieve the detection of high reverberation surface defect.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 be in this utility model light source cover along the profile of X-Z plane；
Fig. 4 a is surface zero defect steel ball surface image under embodiment light supply apparatus；
Fig. 4 b is the surface image having pit defect steel ball under embodiment light supply apparatus；
Fig. 4 c has scuffing defect steel ball surface image under embodiment light supply apparatus；
Fig. 5 is the internal structure schematic diagram of light source cover first embodiment in this utility model；
Fig. 6 is the internal structure schematic diagram of light source cover the second embodiment in this utility model.
In figure
1: testee 2: imageing sensor
3: light source cover 4: image acquisition hole
5: charging hole 6: discharge opening
7: line slideway 8: support
9: ring-shaped light source component 91: light source baffle plate
92: mounting seat 93: luminous component
10: mono coat 11: patterned layer
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the light supply apparatus of the attachment regular pattern reflecting object for height of the present utility model is described in detail.
The light supply apparatus of the attachment regular pattern reflecting object for height of the present utility model, is the light supply apparatus of the luminous body with certain forms arrangement and the light source cover composition of attachment regular pattern；Uniformly filling the monochromatic material with diffusing characteristic diffuser on light source cover inwall, and modify the regular pattern with identical reflection characteristic, the picture of the regular pattern of the light source cover inwall illuminated via light source can be reflected in the high reverberation surface being positioned in light source sphere of action.Described light source cover has diffusing characteristic diffuser, and each point of light source cover inwall is all considered as a point source after bottom-emission body illuminates.Therefore, light source cover inwall is considered as the light source of attachment regular pattern.
As shown in Figure 1 and Figure 2, the light supply apparatus of the attachment regular pattern reflecting object for height of the present utility model, include internal flow have the light source cover 3 of testee 1 and be symmetricly set on two of both sides, described light source cover 3 oblique upper for gathering the imageing sensor 2 of testee 1 image of flowing in light source cover 3 respectively through support 8, the bottom surface angle at 45 ° of described imageing sensor 2 and light source cover 3.Symmetrical on the cover wall of described light source cover 3 it is formed with two image acquisition holes 4 carrying out image acquisition for imageing sensor 2, being asymmetrically formed charging hole 5 and discharge opening 6 on the sidewall of light source cover 3 both sides, the centre-height in described light source cover 3 upper feeding hole 5 is higher than the centre-height of discharge opening 6.Being penetratingly inserted into the line slideway 7 for importing and derive testee 1 in described light source cover 3 along charging hole 5 and discharge opening 6, described line slideway is able to the guide rail making testee 1 retain one-dimensional degree of freedom.Described testee 1 linearly arranges in described light source cover 3, and by the intersection point of the optical axis of imageing sensor 2 with object under test 1 place plane.
Described light source cover 3 can be random geometry, but requires that its projection in bottom surface covers bottom-emission body region, and common shape can be hemispherical, cone, rectangle, truncated cone-shaped etc..Described light source cover is made by having certain thickness opaque material, and common materials has metal, solid fiberboard, plastics etc..Described certain thickness refer to light source cover not by any external force effect under can be stable placement in the horizontal plane.
The bottom inside of described light source cover 3 is peripherally provided with the ring-shaped light source component 9 as light source, as shown in Figure 5, Figure 6, the medial wall of described light source cover 3 is evenly coated with one layer of mono coat 10 with diffusing characteristic diffuser, scribbling the regularly arranged patterned layer 11 with diffusing characteristic diffuser on described mono coat 10, the picture of the regular pattern of the light source cover inwall illuminated via light source can be reflected in the high reverberation surface being positioned in light source sphere of action.
The processing mode of described light source cover 3 medial wall patterned layer 11 does not limit, and common processing mode includes oxidation on metal surface etching, pigment spraying, 3D printing, direct pasting patterns etc..
Described ring-shaped light source component 9 includes the light source baffle plate 91 for installing the mounting seat 92 of luminous component 93 and the light for blocking luminous component 93 shines directly on testee 1, wherein, described light source baffle plate 91 is integrally attached on the inner rim of mounting seat 92, collectively form L-type ring body with mounting seat 92, constitute and the mounting seat 92 of L-type ring body horizontal component is provided with the above luminous component of a circle 93 uniformly.
Described luminous component 93 is the one in LED light source, quartz halogen lamp, low-pressure sodium lamp, high voltage mercury lamp.Described luminous component 93 is preferably LED light source.
The described mono coat 10 on light source cover 3 medial wall is different from regularly arranged patterned layer 11 color and has certain gray scale contrast, its contrast value is the bigger the better, thus ensureing that light source cover inwall embellishes a design in the imaging of object under test surface and background has obvious gray difference.Mono coat 10 and regularly arranged patterned layer 11 on described light source cover 3 medial wall are all that the different colours spray painting adopting high diffuse-reflectance rate is constituted, as adopted the barium sulfate mixed with different colours or magnesium oxide or politef.
The described regularly arranged patterned layer 11 on light source cover 3 medial wall, it it is the concentric circular circular layer that width is identical, interval is equal, or frequency, sinusoidal wave lamina that amplitude is equal, or equal-sized rectangle net compartment, or the stripe layer of the homogeneous radiation being initial point with light source cover top center.
The described regularly arranged patterned layer 11 on light source cover 3 medial wall, it is also possible to be ordered into alphabetical layer or the numeral layer or geometric figure layer of arrangement.
In embodiment of the present utility model, utilize the light supply apparatus of the attachment regular pattern in this utility model that the steel ball of diameter 0.7937mm is carried out surface defects detection.Described light source cover is hemispherical shape, and light source cover bottom shape is circular.Described imageing sensor is two symmetrically placed CMOS cameras, and symmetrical on light source cover opens two image acquisition holes, carries out steel ball surface image acquisition.
The pattern that light source cover inwall is modified can be arbitrary regular pattern, and for described dome-geometry light source cover, the identical wide striped of grid that gap length is equal or interval has ideal experiment effect.The pattern adopted in embodiment is the wide donut that interval is equal.The described color embellished a design should have higher grey value difference with light source cover inwall background color, thus ensureing that light source cover inwall embellishes a design in the imaging of object under test surface and background has obvious gray difference.Black pattern is modified in the light source cover medial wall adopting white in embodiment, and blackstreak pattern can form gray value at steel ball surface and be clearly distinguishable from the picture of other parts.
In embodiment of the present utility model, light source adopts red-light LED light source lighting, it is contemplated that the bottom shape of hemisphere light source cover is circular, and the arrangement mode of LED light source is designed as along the equally distributed annular array form of light source cover bottom edge.For ensureing that light source provides enough intensity of illumination in embodiment, adopt the distribution of dicyclo LED light source.
As shown in Figure 3, it is assumed that the direction that steel ball to be measured advances is Y-axis, and the normal direction of light source cover bottom surface is Z axis.Light source cover opens two holes in Y direction, and right ports at the height of Z-direction more than left hole.Line slideway 7 is by holes traverse light source cover.Described line slideway 7 is V-type line slideway.Owing to line slideway 7 has certain angle of inclination, steel ball 1 to be measured can rely on self gravitation effect to be rolled into inside light source cover on line slideway 7.CMOS camera 2 is fixed on support 8, and support 8 is placed on light source cover both sides along X-direction symmetry.CMOS camera 2 and light source cover bottom surface angle at 45 °.By adjusting the focal length of CMOS camera 2,5 steel balls to be measured can occur within the scope of viewing field of camera simultaneously.The donut of light source cover inwall is through being reflected in steel ball surface imaging to be measured, and steel ball surface to be measured also has donut regular pattern, as shown in Fig. 4 a, Fig. 4 b, Fig. 4 c.If steel ball 1 to be measured continuous rolling on line slideway 7, then same steel ball to be measured can collected five groups of images.By the analyzing and processing collecting image can be completed surface defects detection.
Claims (10)
- null1. the light supply apparatus of the attachment regular pattern reflecting object for height，Include internal flow have the light source cover (3) of testee (1) and be symmetricly set on two imageing sensors (2) being used for gathering testee (1) image flowed in light source cover (3) of described light source cover (3) both sides, oblique upper respectively through support (8)，Symmetrical on the cover wall of described light source cover (3) it is formed with two image acquisition holes (4) carrying out image acquisition for imageing sensor (2)，The sidewall of light source cover (3) both sides has been asymmetrically formed charging hole (5) and discharge opening (6)，It is penetratingly inserted into the line slideway (7) for importing and derive testee (1) in described light source cover (3) along charging hole (5) and discharge opening (6)，It is characterized in that，The bottom inside of described light source cover (3) is peripherally provided with the ring-shaped light source component (9) as light source，The medial wall of described light source cover (3) is evenly coated with one layer of mono coat (10) with diffusing characteristic diffuser，Described mono coat (10) scribbles the regularly arranged patterned layer (11) with diffusing characteristic diffuser.
- 2. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 1, it is characterized in that, described testee (1) lineal layout in described light source cover (3), and pass through the intersection point of the optical axis along imageing sensor (2) and testee place plane.
- 3. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 1, it is characterized in that, described ring-shaped light source component (9) includes the mounting seat (92) for installing luminous component (93) and is used for blocking the light source baffle plate (91) that the light of luminous component (93) shines directly on testee (1), wherein, described light source baffle plate (91) is integrally attached on the inner rim of mounting seat (92), L-type ring body is collectively formed with mounting seat (92), constitute and the mounting seat (92) of L-type ring body horizontal component is provided with the above luminous component of a circle (93) uniformly.
- 4. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 3, it is characterised in that described luminous component (93) is LED light source, one in quartz halogen lamp, low-pressure sodium lamp, high voltage mercury lamp.
- 5. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 3, it is characterised in that described luminous component (93) is preferably LED light source.
- 6. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 1, it is characterized in that, the described mono coat (10) on light source cover (3) medial wall is different from regularly arranged patterned layer (11) color and has certain gray scale contrast, and mono coat (10) and regularly arranged patterned layer (11) on described light source cover (3) medial wall are all that the different colours spray painting adopting and having high diffuse-reflectance rate is constituted.
- 7. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 1, it is characterized in that, the described regularly arranged patterned layer (11) on light source cover (3) medial wall, it it is the concentric circular circular layer that width is identical, interval is equal, or frequency, sinusoidal wave lamina that amplitude is equal, or the rectangle net compartment that gap length is equal, or the stripe layer of the homogeneous radiation being initial point with light source cover top center.
- 8. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 1, it is characterized in that, the described regularly arranged patterned layer (11) on light source cover (3) medial wall, is ordered into alphabetical layer or the numeral layer or geometric figure layer of arrangement.
- 9. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 1, it is characterised in that the centre-height in described light source cover (3) upper feeding hole (5) is higher than the centre-height of discharge opening (6).
- 10. the light supply apparatus of the attachment regular pattern reflecting object for height according to claim 1, it is characterised in that described line slideway (7) is able to the guide rail making testee (1) only retain one-dimensional degree of freedom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123519.5U CN205374278U (en) | 2015-12-28 | 2015-12-28 | Light source device who adheres to regular pattern to high reflecting object |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123519.5U CN205374278U (en) | 2015-12-28 | 2015-12-28 | Light source device who adheres to regular pattern to high reflecting object |
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| CN205374278U true CN205374278U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521123519.5U Withdrawn - After Issue CN205374278U (en) | 2015-12-28 | 2015-12-28 | Light source device who adheres to regular pattern to high reflecting object |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445194A (en) * | 2015-12-28 | 2016-03-30 | 天津大学 | Light source device used for forming regular patterns and aimed at highly reflective object |
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2015
- 2015-12-28 CN CN201521123519.5U patent/CN205374278U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445194A (en) * | 2015-12-28 | 2016-03-30 | 天津大学 | Light source device used for forming regular patterns and aimed at highly reflective object |
| CN105445194B (en) * | 2015-12-28 | 2018-12-25 | 天津大学 | For the light supply apparatus of the attachment regular pattern of high reflection object |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20181225 |