CN102706294B - A kind of for detecting the smooth device of object surface - Google Patents
A kind of for detecting the smooth device of object surface Download PDFInfo
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- CN102706294B CN102706294B CN201210135692.1A CN201210135692A CN102706294B CN 102706294 B CN102706294 B CN 102706294B CN 201210135692 A CN201210135692 A CN 201210135692A CN 102706294 B CN102706294 B CN 102706294B
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Abstract
The present invention relates to a kind of for detecting the smooth device of object, particularly relate to a kind of can the device of surfacing of mirror-reflection for detecting.The present invention includes: object sample mounting table, structure light source, light signal receiving and image analysis apparatus; Wherein object sample mounting table is for placing with mounting article sample; Structure light source can send the light source of the effigurate light of tool, and is irradiated to object sample mounting table; Light signal receiving is for receiving the picture signal of the reflected light of object sample.The present invention analyzes the flat conditions of object sample surfaces according to the picture signal after the effigurate light of object sample reflection tool; Improve the surface quality of object and the yield rate of object.
Description
Technical field
The present invention relates to a kind of for detecting the smooth device of object surface, particularly relate to a kind of can the device of surfacing of mirror-reflection for detecting.
Background technology
Along with the raising day by day of living standard, the raising that the quality of people to life appliance and office accommodations is not also carried, the surface of a lot of product in daily life tools, people need it very smooth even smooth, and as metal surface, the plastic surface and glass surface etc. of apparatus, and these products are when production and processing, it is the flatness not needing to detect surface, therefore the product produced much does not meet the requirement of modern, thus causes stockpiling of unsold product, brings greater loss to producer, businessman.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, there is provided a kind of for detecting the smooth device of object surface, this device can detect the flatness on its surface in the production run of product, avoids undesirable product introduction market, improves the yield rate of product.
For achieving the above object, the technical solution used in the present invention is:
For detecting the smooth device of object surface, comprising:
Object sample mounting table; For placing and mounting article sample;
Structure light source; Send the light source of the light with shape, light source is generally parallel striated or latticed light source, and is irradiated to the object sample on object sample mounting table; Light source can shine directly into object sample mounting table, also can be reflected by other optical elements or be irradiated to object sample mounting table after transmission again;
Light signal receiving; For receiving the picture signal of the reflected light of object surface;
Image analysis apparatus; Its signal input part is connected with the signal output part of light signal receiving, for the treatment of the picture signal that light signal receiving receives, and analyzes image.
Light source is set to launch the light with shape by the present invention, after the illumination of this light source is mapped to object sample, light is launched at object sample surfaces, if object sample surfaces is smooth, then the reflected light of object sample surfaces remains the effigurate light of tool, and is received by light signal receiving; If the local out-of-flatness of object sample surfaces, light is after the reflection of object sample surfaces, with this, its shape generation local offset, judges that whether object sample surfaces is smooth.
The picture signal of the light that image analysis apparatus can receive according to light signal receiving is analyzed, the shape of the light shape of the light received and structure light source sent is analyzed, and the side-play amount according to the shape of the light received is classified to object sample.As when testing glass, when side-play amount is when lower than a certain value, object sample when using when mirror, can meet the demand of client as object screen; Otherwise just can not work as mirror to use; When side-play amount exceedes a certain value, object sample is as object screen when using when touch-screen, and client has feel, can not meet client's request for utilization of touch-screen.
Further, described a kind of for detecting the smooth device of object surface, also comprise:
Catoptron; Light for being sent by structure light source reflexes to object sample surfaces.
Place catoptron according to the position that structure light source is placed, the position of structure light source being selected more extensive, as being arranged on object sample mounting table by structure light source, by catoptron, the light of structure light source being reflexed to object sample surfaces.
Further, described a kind of for detecting the smooth device of object surface, also comprise:
Mirror mount; In order to stationary mirror;
Regulating device; Be connected with mirror mount, for the angle of accommodation reflex mirror fixed mount, and then the level angle of accommodation reflex mirror and enter the angle of light of object sample.
Further, a kind of for detecting the smooth device of object surface, also comprise:
Structure light source fixing frame; For fixed sturcture light source;
As equivalent variations, regulating device can be connected with structure light source fixing frame, by the level angle of adjustment structure light source fixing clamp, and then regulate the angle of the emergent light of fixed light source and enter the angle of light of object sample.
Further, described light signal receiving is camera or video camera.
Further, described object sample mounting table, structure light source fixing frame are integrated into a worktable, upper surface mounting article sample mounting table and the structure light source fixing frame successively of worktable.
Further, described mirror mount comprises bracing frame and the rack for placing catoptron, and rack is fixed on the top of bracing frame.
Further, described regulating device comprises at least three bolts, and rack is provided with the bolt hole matched with bolt, and the screw rod of bolt is threaded with rack by bolt hole, and the lower surface of the upper end of screw rod and catoptron offsets.
The position of catoptron can be finely tuned by adjusting bolt, and then regulate the light angle entering object sample.
Further, support frame as described above is provided with the fixed bar for connecting light signal receiving, light signal receiving is movably connected on fixed bar, and light signal receiving can move along the length direction of fixed bar, and light signal receiving can be that axle center rotates with junction simultaneously.
For the stability of raising operation, can adopt 4 bolts, 4 bolts are distributed in the corner of catoptron.
Further, described structure light source comprises grating and the illuminating lamp of penetrating direction for regulating illumination, and grating is positioned at the front of the light exit direction of illuminating lamp.
The light that illuminating lamp sends, after grating, forms the effigurate light of tool; During as having multiple parallel gap when grating, the light sent through grating is the directional light of striated; As having latticed gap when grating, the light sent through grating is latticed directional light; The gap of certain grating according to actual conditions, can be designed to other shapes, as spider reticulation etc.; As long as contribute to analyzing light image skew, the hole shape of grating is unrestricted.
Further, describedly a kind ofly also comprise display for detecting the smooth device of object surface, display is connected with image analysis apparatus or light signal receiving.
By image analysis apparatus or light signal receiving, the image information of the light after object sample reflection is shown at display, be convenient to observation.
Further, described grating is the horizontal grating having many parallel clearances.
Further, described grating is the raster grating having latticed gap.
Further, the horizontal luminophor that described structure light source comprises horizontal positioned and the vertical luminophor vertically placed, the top of horizontal luminophor is provided with the horizontal raster having lateral clearance, the front of described vertical luminophor is provided with the vertical grating having vertical gap, spectroscope is provided with between horizontal raster and vertical grating, the light that vertical luminophor sends is irradiated to spectroscope back reflection by vertical grating and forms reflected light, transmission after the light that horizontal luminophor sends is irradiated to spectroscope by horizontal raster also forms transmitted light, the exit direction of described reflected light is parallel with the exit direction of transmitted light.
By two groups of luminophors vertically placing and grating and spectroscope, the light that structure light source is sent is latticed; Meanwhile, the luminescence of two groups of luminophors can control respectively, and when only having horizontal light, structure light source sends laterally parallel striped light; When only having vertical light, structure light source sends parallel longitudinal striped light; Two kinds of light can be lighted in timesharing, also can light simultaneously; Light the combined light source forming parallel stripes shape, the striped of combined light source is mutually vertical simultaneously.Structure light source can be used as required.
Further, the bottom surface of described worktable is provided with at least three pin cups.
The levelness that pin cup is convenient to adjusting operating platform is set.
The beneficial effect that the present invention obtains is: a kind of for detecting the smooth device of object surface, comprising: object sample mounting table, structure light source, light signal receiving and image analysis apparatus; Wherein object sample mounting table is for placing with mounting article sample; Structure light source can send the light source of the effigurate light of tool, and oblique illumination is to object sample mounting table; Light signal receiving is for receiving the picture signal of the reflected light of object sample; The signal input part of image analysis apparatus is connected with the signal output part of light signal receiving, for the treatment of the picture signal that light signal receiving receives, and analyzes image.The present invention analyzes the flat conditions of object sample surfaces according to the picture signal after the effigurate light of object sample reflection tool; Improve the quality on surface and the yield rate of product of product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is a kind of structural representation of structure light source of the present invention.
Reference numeral is:
1---worktable 2---pin cup
3---fixed bar 4---bracing frame
5---catoptron 6---rack
7---light signal receiving 8---structure light source
11---object sample mounting table 81---horizontal luminophor
82---horizontal raster 83---spectroscope
84---vertically grating 85---vertically luminophor.
Embodiment
Below in conjunction with the drawings and specific embodiments, book is described further to the present invention.
Embodiment: as shown in Figure 1, a kind of for detecting the smooth device of object surface, comprising: object sample mounting table 11, structure light source 8, light signal receiving 7 and image analysis apparatus; Wherein object sample mounting table 11 is for placing with mounting article sample; Structure light source 8 can send the light source of the light with shape, and oblique illumination is to the object sample of object sample mounting table 11; Light signal receiving 7 is for receiving the picture signal of the reflected light of object sample; The signal input part of image analysis apparatus is connected with the signal output part of light signal receiving 7, for the treatment of the picture signal that light signal receiving 7 receives, and analyzes image.In the present embodiment, consider the placement location of structure light source 8, catoptron 5 can be set up according to demand, as shown in Figure 1, structure light source 8 and object sample are positioned over the homonymy of catoptron 5, the light that structure light source 8 sends is after catoptron 5 reflects, and be irradiated to object sample, object sample reflexes to light signal receiving 7 again; Make the selection of the position of structure light source 8 more extensive.
In order to object sample mounting table 11, structure light source 8, catoptron 5 and light signal receiving 7 are fixed up, and form certain light path; Devise structure light source fixing frame, mirror mount accordingly in the present embodiment; In order to simplification device, structure light source fixing frame, object sample mounting table 11 are integrated into a worktable 1, or structure light source fixing frame, object sample mounting table 11 are arranged on a worktable 1 jointly; Mirror mount is fixed on one end of worktable 1, wherein mirror mount comprises bracing frame 4 and the rack 6 for placing catoptron 5, and rack 6 is fixed on the top of bracing frame 4 simultaneously.
In order to improve the adjustability of device, have also been devised regulating device in embodiment, regulating device is connected with mirror mount, for the angle of accommodation reflex mirror fixed mount, and then the level angle of accommodation reflex mirror and enter the angle of light of object sample.Wherein regulating device comprises at least three bolts, 4 bolts are devised in the present embodiment, rack 6 is provided with the bolt hole matched with bolt, bolt hole lays respectively at 4 weeks of rack 6, the screw rod of bolt is threaded with rack 6 by bolt hole, and the lower surface of the upper end of screw rod and catoptron offsets.The horizontal level of catoptron can be finely tuned by adjusting bolt, and then reach the light angle regulating and enter object sample.Certain regulating device also can design on structure light source fixing frame, is regulated shooting angle and the light path of light by the position of adjustment structure light source fixing frame, makes the light of object sample reflection can be good at being received by light signal receiving 7.
For convenience of fixed light signal receiving device 7, support frame as described above 4 is provided with the fixed bar 3 for fixed light signal receiving device 7, light signal receiving 7 activity is fixed on fixed bar 3, light signal receiving 7 can move along the length direction of fixed bar 3, and light signal receiving 7 can be that axle center rotates with junction simultaneously.Because the light of object sample reflection has certain limit, light signal receiving 7 once may receive not All-optical signal information, need optical signal device to move, so that adaptive act light signal in a big way, be conducive to the flat condition of multianalysis object sample surfaces.
When the present embodiment is implemented, structure light source 8 comprises grating and the illuminating lamp of penetrating direction for regulating illumination, and grating is positioned at the front of the light exit direction of illuminating lamp, as shown in Figure 1.The light that illuminating lamp sends, after grating, forms the effigurate light of tool; Can be the horizontal grating having multiple parallel clearance by Grating Design as required; Also can be the raster grating having latticed gap by described Grating Design; When grating has multiple parallel gap, the light sent through horizontal grating is the directional light in striated; When grating has latticed gap, the light sent through raster grating is latticed directional light; The gap of certain grating according to actual conditions, can be designed to other shapes, as spider reticulation etc.; As long as contribute to analyzing light image skew, the gap shape of grating is unrestricted.
Simultaneously for the ease of observation, fixed bar 3 activity can be fixed on bracing frame 4, fixed bar 3 longitudinally 4 can move along bracing frame.Light signal receiving 7 can in the horizontal direction laterally, vertically move.Increase the moving range of light signal receiving 7; Light signal receiving is moved to better position, receives more optical signal image information.
For convenience of observation object sample surfaces flat condition, described a kind of for detecting the smooth device of object surface, also comprise display (not shown in FIG.), display is connected with image analysis apparatus or light signal receiving 7.By image analysis apparatus or light signal receiving 7, the image information of the light after object sample reflection is shown at display, be convenient to observation.Display can be arranged with on worktable 1 or bracing frame 4, also can arrange separately in addition.
In the present embodiment, image analysis apparatus can be made up of the main frame with image analysis software, and the optical signal image received is passed to main frame by light signal receiving 7, and main frame carries out Treatment Analysis to optical signal image.
In order to further, for making structure light source 8 adjustable flexibly, the horizontal luminophor 81 that described structure light source 8 comprises horizontal positioned and the vertical luminophor 85 vertically placed, the top of horizontal luminophor 81 is provided with the horizontal raster having lateral clearance, the front of described vertical luminophor 85 is provided with the vertical grating 84 having vertical gap, spectroscope 83 is provided with between horizontal raster and vertical grating 84, the light that vertical luminophor 85 sends is irradiated to spectroscope 83 back reflection by vertical grating 84 and is formed reflected light, transmission after the light that horizontal luminophor 81 sends is irradiated to spectroscope 83 by horizontal raster 82 also forms transmitted light, the exit direction of described reflected light is parallel with the exit direction of transmitted light.As shown in Figure 2; Structure light source is the combination of two kinds of light sources, and the light that horizontal luminophor 81 sends, by after horizontal raster 82, spectroscope 83, forms the striped light that many transverse directions are parallel; The light that vertical luminophor 85 sends, by after vertical grating 84, spectroscope 83, forms many parallel longitudinal striped light; The shape of the xsect of two kinds of striped light is mutually vertical, and can Time-sharing control, structure light source is had and sends laterally parallel striped light, sends parallel longitudinal striped light, send the performance of latticed light.
Vertical luminophor can be the LED of multiple horizontal positioned, and the exit direction of the light of LED is horizontal direction.
Horizontal luminophor can be the LED of multiple vertical placement, and the exit direction of the light of LED is vertical direction.
For ease of the levelness of adjusting operating platform 1, the bottom surface of described worktable 1 is provided with at least three pin cups 2.Being provided with 4 pin cups 2 in the lower surface of worktable 1 in the present embodiment, carrying out adjusting operating platform 1 level by regulating pin cup 2.
Below be only the preferred embodiment of the application, equivalent technical solutions on this basis still falls into application protection domain.
Claims (6)
1., for detecting the smooth device of object surface, it is characterized in that: it comprises:
Object sample mounting table; For placing and mounting article sample;
Structure light source; Send the light source of the light with shape, and be irradiated to the object sample on object sample mounting table;
Light signal receiving; For receiving the picture signal of the reflected light of object sample surfaces;
Image analysis apparatus; Its signal input part is connected with the signal output part of light signal receiving, for the treatment of the picture signal that light signal receiving receives, and analyzes image;
Described structure light source comprises grating and the illuminating lamp of penetrating direction for regulating illumination, and grating is positioned at the front of the light exit direction of illuminating lamp;
The horizontal luminophor that described structure light source comprises horizontal positioned and the vertical luminophor vertically placed, the top of horizontal luminophor is provided with the horizontal raster having lateral clearance, the front of described vertical luminophor is provided with the vertical grating having vertical gap, spectroscope is provided with between horizontal raster and vertical grating, the light that vertical luminophor sends is irradiated to spectroscope back reflection by vertical grating and forms reflected light, transmission after the light that horizontal luminophor sends is irradiated to spectroscope by horizontal raster also forms transmitted light, the exit direction of described reflected light is parallel with the exit direction of transmitted light.
2. according to claim 1 a kind of for detecting the smooth device of object surface, it is characterized in that: also comprise:
Catoptron; Light for being sent by structure light source reflexes to object sample surfaces.
3. according to claim 2 a kind of for detecting the smooth device of object surface, it is characterized in that: also comprise:
Mirror mount; In order to stationary mirror;
Regulating device; Be connected with mirror mount, for the angle of accommodation reflex mirror fixed mount, with the level angle of accommodation reflex mirror and the angle of catoptron reflection ray entering object sample;
Structure light source fixing frame; For fixed sturcture light source;
Display, display is connected with image analysis apparatus or light signal receiving;
Described light signal receiving is camera or video camera.
4. according to claim 3 a kind of for detecting the smooth device of object surface, it is characterized in that: described object sample mounting table, structure light source fixing frame are integrated into a worktable, upper surface mounting article sample mounting table and the structure light source fixing frame successively of worktable.
5. according to claim 4 a kind of for detecting the smooth device of object surface, it is characterized in that: described mirror mount comprises bracing frame and the rack for placing catoptron, and rack is fixed on the top of bracing frame; Described regulating device comprises at least three bolts, and rack is provided with the bolt hole matched with bolt, and the screw rod of bolt is threaded with rack by bolt hole, and the lower surface of the upper end of screw rod and catoptron offsets.
6. according to claim 5 a kind of for detecting the smooth device of object surface, it is characterized in that: support frame as described above is provided with the fixed bar for connecting light signal receiving, light signal receiving is movably connected on fixed bar, light signal receiving can move along the length direction of fixed bar, and light signal receiving can be that axle center rotates with junction simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210135692.1A CN102706294B (en) | 2012-05-04 | 2012-05-04 | A kind of for detecting the smooth device of object surface |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210135692.1A CN102706294B (en) | 2012-05-04 | 2012-05-04 | A kind of for detecting the smooth device of object surface |
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| CN102706294A CN102706294A (en) | 2012-10-03 |
| CN102706294B true CN102706294B (en) | 2015-11-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106863331A (en) * | 2017-03-14 | 2017-06-20 | 深圳广田机器人有限公司 | Intelligence finishing robot platform |
| CN108562250B (en) * | 2018-05-16 | 2020-07-10 | 湖南大学 | Keyboard keycap flatness rapid measurement method and device based on structured light imaging |
| CN112179295A (en) * | 2019-07-05 | 2021-01-05 | 青岛海尔电冰箱有限公司 | Method and device for detecting flatness of surface of door body |
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| CN100452819C (en) * | 2005-10-13 | 2009-01-14 | 富士施乐株式会社 | Image reading device and image forming device |
| CN102155925A (en) * | 2011-01-07 | 2011-08-17 | 中国科学院上海光学精密机械研究所 | Three-dimensional surface topography measurement device based on one-dimensional Dammann grating |
| CN202204482U (en) * | 2011-07-20 | 2012-04-25 | 哈尔滨理工大学 | Projection device used for structured light three-dimensional measurement |
| CN202599367U (en) * | 2012-05-04 | 2012-12-12 | 东莞市奥普特自动化科技有限公司 | Device for detecting surface smoothness of object |
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2012
- 2012-05-04 CN CN201210135692.1A patent/CN102706294B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100452819C (en) * | 2005-10-13 | 2009-01-14 | 富士施乐株式会社 | Image reading device and image forming device |
| CN102155925A (en) * | 2011-01-07 | 2011-08-17 | 中国科学院上海光学精密机械研究所 | Three-dimensional surface topography measurement device based on one-dimensional Dammann grating |
| CN202204482U (en) * | 2011-07-20 | 2012-04-25 | 哈尔滨理工大学 | Projection device used for structured light three-dimensional measurement |
| CN202599367U (en) * | 2012-05-04 | 2012-12-12 | 东莞市奥普特自动化科技有限公司 | Device for detecting surface smoothness of object |
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Address after: Changan Jin Jin Ha Community Industrial District of Henan city of Dongguan province Guangdong 523000 liters Road No. 8 Patentee after: Guangdong aopute Polytron Technologies Inc Address before: Changan Town, Guangdong city of Dongguan province 523000 highway 358 road usha Yifeng commercial building four floor Dongguan aopute Automation Technology Co. Ltd. Patentee before: Dongguan OPT Machine Vision Tech Co.,Ltd. |
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Denomination of invention: Device for detecting surface evenness of object Effective date of registration: 20180105 Granted publication date: 20151111 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Guangdong aopute Polytron Technologies Inc Registration number: 2018440000009 |
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Date of cancellation: 20190814 Granted publication date: 20151111 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Guangdong aopute Polytron Technologies Inc Registration number: 2018440000009 |