CN204165513U - The efficient image measuring device of sweep type - Google Patents
The efficient image measuring device of sweep type Download PDFInfo
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- CN204165513U CN204165513U CN201420578498.5U CN201420578498U CN204165513U CN 204165513 U CN204165513 U CN 204165513U CN 201420578498 U CN201420578498 U CN 201420578498U CN 204165513 U CN204165513 U CN 204165513U
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- 238000005259 measurement Methods 0.000 description 13
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Abstract
The utility model discloses the efficient image measuring device of a kind of sweep type, comprise surveying work platform, laser scanning system, image measuring system and Z axis driving mechanism, the signal control end of laser beam emitting head is connected with computer feedback end, and the signal control end of stepper motor is connected with computer with the feedback end of laser beam emitting head; One CCD video camera is arranged in image mirror sleeve, and this CCD video camera is electrically connected with computer; The lower end of described focusing lens is fixed with lamp source on LED, is provided with LED profile light source under the glass table top of described surveying work platform; On described LED, lamp source comprises lamp socket, circuit board, lamp plate, is red LED lamp pearl in the firstth district, is yellow LED lamp pearl in described secondth district, is blue led lamp pearl in described 3rd district, is green LED lamp pearl in described 4th district.The utility model can not only realize uniform irradiation, can also realize uneven irradiation, thus highlights the contrast of tested significant points, makes image measurer obtain best image.
Description
Technical field
The utility model relates to a kind of precision measurement apparatus, particularly relates to the efficient image measuring device of a kind of sweep type.
Background technology
Image measurer be integrate light, mechanical, electrical, the novel high-precision of computer image technology, high-tech surveying instrument.The imaging of high magnification optical amplifier is carried out by optical microscope measuring targets, after the object image after amplification is sent into computing machine by CCD camera system, the profile of various complex part and the microcosmic detection of surface configuration size, angle and position, particularly precision parts and quality control can be detected efficiently.Can be directly inputted in AUTOCAD by measurement data, become complete engineering drawing, figure can generate DXF document, also can be input in WORD, EXCEL, carry out statistical study, can mark simple Xbar-S control chart, obtain Ca, wait various parameter.
Wherein, light-source illuminating system is one of part of most critical in image measuring system, its main target be in an appropriate manner by ray cast on testee, the contrast of outstanding tested characteristic.Light source has a great impact image quality, the factor such as homogeneity, geometric configuration, intensity of illumination, direction of illumination, wavelength of light source all directly can have influence on measurement result, the key of its whole system success or failure often, this just requires that the cooperation of electric light source and lighting scheme should protrusion body characteristics amount as much as possible, need should produce obvious difference as much as possible between the part of detection and inessential part at object, increase contrast, also should ensure enough overall brightnesses simultaneously.
, often there is following technical matters in existing image measurer: (1) then cannot ensure its precision and high efficiency for the workpiece of made of soft; (2) time for pure white, transparent and low reflection workpiece, the problem that contrast on border is low, precision reduces greatly; (3) information that flower is put and overexposure hidden image is important, shade causes the flase drop at edge; The reduction of signal to noise ratio (S/N ratio) and uneven illumination cause the difficulty of image procossing Threshold selection.Therefore, the direction that above-mentioned technical matters becomes those skilled in the art's effort how is overcome.
Summary of the invention
The utility model provides a kind of sweep type efficient image measuring device, this efficient image measuring device considerably increases precision and the speed of measurement, solve a measurement difficult problem for soft work, when solving for pure white, transparent and low reflection workpiece, the problem that contrast on border is low, adopt red, yellow, blue and green four kinds of LED lamp bead and combine and arrange in pairs or groups with the multiple angle of lamp source axis, substantially increase the contrast affecting edge, measuring system is made to obtain image effect more clearly, and enhance image boundary, thus improve measuring accuracy.
For achieving the above object, the technical solution adopted in the utility model is: the efficient image measuring device of a kind of sweep type, comprise pedestal, the upper lamp source of LED, surveying work platform, column, laser scanning system, image measuring system and Z axis driving mechanism, described laser scanning system mainly comprises stepper motor, laser beam emitting head and laser collecting sensor, laser beam emitting head and laser collecting sensor is connected with by transmission shaft below described stepper motor, the signal control end of described laser beam emitting head is connected with computer feedback end, and the signal control end of stepper motor is connected with computer with the feedback end of laser beam emitting head,
Described image measuring system comprises lamp source on image mirror sleeve, CCD video camera and LED, and the described image mirror sleeve that below has focusing lens is installed on Z axis driving mechanism, and this Z axis driving mechanism is fixed on the leading flank of column; One CCD video camera is arranged in image mirror sleeve, and this CCD video camera is electrically connected with computer; The lower end of described focusing lens is fixed with lamp source on LED, is provided with LED profile light source under the glass table top of described surveying work platform;
On described LED, lamp source comprises lamp socket, circuit board, lamp plate, several red LED lamp pearls being electrically connected to circuit board, yellow LED lamp pearl, blue led lamp pearl and green LED lamp pearl, this lamp plate offers several inclined holes, described LED lamp bead embeds in inclined hole, LED lamp bead and inclined hole one_to_one corresponding setting-in, the angle of the axis of this inclined hole and lamp plate is acute angle; Several red LED lamp pearls, yellow LED lamp pearl, blue led lamp pearl and green LED lamp pearl arrange formation at least four LED rings from inside to outside, described at least four LED rings are circumferentially divided into the firstth district, the secondth district, the 3rd district and the 4th district successively, red LED lamp pearl is in described firstth district, yellow LED lamp pearl is in described secondth district, be blue led lamp pearl in described 3rd district, in described 4th district, be green LED lamp pearl.
In technique scheme, further improvement opportunity scheme is as follows:
1., in such scheme, several red LED lamp pearls, yellow LED lamp pearl, blue led lamp pearl and green LED lamp pearl arrange formation five LED rings from inside to outside.
2. in such scheme, on LED lamp bead in described five LED rings in the first LED ring and LED, the angle of lamp source axis is 74 ~ 76 °, on LED lamp bead in described four LED rings in the second LED ring and LED, the angle of lamp source axis is 67 ~ 70 °, on LED lamp bead in described four LED rings in the 3rd LED ring and LED, the angle of lamp source axis is 60 ~ 62 °, on LED lamp bead in described four LED rings in the 4th LED ring and LED, the angle of lamp source axis is 53 ~ 56 °, on LED lamp bead in described four LED rings in the 5th LED ring and LED, the angle of lamp source axis is 46 ~ 48 °.
3., in such scheme, described pedestal, computer are installed on equipment frame, support respectively, and described column is fixed on pedestal rear side end.
4., in such scheme, the sidewall of described focusing lens is provided with the motor for regulating described focusing lens focal length.
5., in such scheme, the bottom of described equipment frame is provided with adjustable feet.
6., in such scheme, the aperture of described inclined hole and the external diameter of LED lamp bead match.
7., in such scheme, leading flank and the right flank of the base plate of described surveying work platform are provided with level meter.
Because technique scheme is used, the utility model compared with prior art has following advantages:
The efficient image measuring device of the utility model sweep type, it considerably increases precision and the speed of measurement, solve a measurement difficult problem for soft work, when also solving for pure white, transparent and low reflection workpiece, the problem that contrast on border is low, adopt red, yellow, blue and green four kinds of LED lamp bead and combine and arrange in pairs or groups with the multiple angle of lamp source axis, substantially increase the contrast affecting edge, measuring system is made to obtain image effect more clearly, and enhance image boundary, thus improve measuring accuracy; Secondly, the light source configuration that it adopts front light source and back side light source to combine, this configuration can not only realize uniform irradiation, uneven irradiation can also be realized, thus highlight the contrast of tested significant points, make image measurer obtain best image, thus ensure that the stability of part image quality of the same race, for determinacy measurement is laid a good foundation, make the repeatability of measuring accuracy better; Again, really realize full automatic working, improve work efficiency and measuring accuracy, realize the light-ray condensing of numerous lamp pearl, promote brightness, be beneficial to application measurement under various circumstances, meanwhile, the firm lamp pearl of the inclined hole on lamp plate, promote LED lamp pearl and fastness is installed, lamp pearl is irradiated stable, not easily occur crooked, increase the service life.
Accompanying drawing explanation
Accompanying drawing 1 is the efficient image measuring device structural representation of the utility model sweep type;
Accompanying drawing 2 is the utility model sweep type efficient image measuring device partial structurtes schematic diagram;
Accompanying drawing 3 is lamp source and focusing lens structural representation on LED in the efficient image measuring device of the utility model sweep type;
What accompanying drawing 4 was accompanying drawing 3 looks up structural representation.
In above accompanying drawing: 1, pedestal; 2, surveying work platform; 3, column; 4, computer; 5, support; 6, equipment frame; 7, support; 8, focusing lens; 9, image mirror sleeve; 10, Z axis driving mechanism; 11, CCD video camera; 12, the upper lamp source of LED; 13, glass table top; 14, LED profile light source; 15, lamp socket; 16, circuit board; 171, red LED lamp pearl; 172, yellow LED lamp pearl; 173, blue led lamp pearl; 174, green LED lamp pearl; 18, lamp plate; 181, inclined hole; 19, level meter; 20, motor; 21, adjustable feet; 22, LED ring; 231, the firstth district; 232, the secondth district; 233, the 3rd district; 234, the 4th district; 24, laser scanning system; 25, image measuring system; 26, stepper motor; 261, transmission shaft; 27, laser beam emitting head; 28, laser collecting sensor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: the efficient image measuring device of a kind of sweep type, comprise pedestal 1, the upper lamp source 12 of LED, surveying work platform 2, column 3, laser scanning system 24, image measuring system 25 and Z axis driving mechanism 10, described laser scanning system 24 mainly comprises stepper motor 26, laser beam emitting head 27 and laser collecting sensor 28, laser beam emitting head 27 and laser collecting sensor 28 is connected with by transmission shaft 261 below described stepper motor 26, the signal control end of described laser beam emitting head 27 is connected with computer 4 feedback end, and the signal control end of stepper motor 26 is connected with computer 4 with the feedback end of laser beam emitting head 27,
Described image measuring system 25 comprises lamp source 12 on image mirror sleeve 9, CCD video camera 11 and LED, and the described image mirror sleeve 9 that below has focusing lens 8 is installed on Z axis driving mechanism 10, and this Z axis driving mechanism 10 is fixed on the leading flank of column 3; One CCD video camera 11 is arranged in image mirror sleeve 9, and this CCD video camera 11 is electrically connected with computer 4; The lower end of described focusing lens 8 is fixed with lamp source 12 on LED, and the glass table top of described surveying work platform 2 is provided with LED profile light source 14 for 13 times;
On described LED, lamp source 12 comprises lamp socket 15, circuit board 16, lamp plate 18, several red LED lamp pearls 171 being electrically connected to circuit board 16, yellow LED lamp pearl 172, blue led lamp pearl 173 and green LED lamp pearl 174, this lamp plate 18 offers several inclined holes 181, described LED lamp bead 17 embeds in inclined hole 181, LED lamp bead 17 and inclined hole 181 one_to_one corresponding setting-in, this inclined hole 181 is acute angle with the angle of the axis of lamp plate 18; Several red LED lamp pearls 171, yellow LED lamp pearl 172, blue led lamp pearl 173 and green LED lamp pearl 174 arrange from inside to outside and form at least four LED rings 22, described at least four LED rings are circumferentially divided into the first district 232 of district 231, second, the 3rd district 233 and the 4th district 234 successively, red LED lamp pearl 171 is in described first district 231, yellow LED lamp pearl 172 is in described second district 232, be blue led lamp pearl 173 in described 3rd district 233, in described 4th district 234, be green LED lamp pearl 174.
Described surveying work platform 2 is provided with X axle electric ball screw mandrel, Y axle electric ball screw mandrel, limit switch, X axle grating scale and Y axle grating scale, limit switch, X axle grating scale, Y axle grating scale, Z axle grating scale, zoom motor, the drive motor of X axle electric ball screw mandrel, the drive motor of Y axle electric ball screw mandrel, the drive motor of Z axle electric ball screw mandrel, the upper lamp source 12 of LED, LED profile light source 14 is connected with described electric controller respectively, described electric controller is connected with host computer by USB control line, described electric controller is connected with power supply and for controlling the rocking bar of described surveying work platform along X axle or the movement of Y axle.
Several red LED lamp pearls 171, yellow LED lamp pearl 172, blue led lamp pearl 173 and green LED lamp pearl 174 arrange formation five LED rings from inside to outside.
On LED lamp bead in above-mentioned five LED rings in the first LED ring and LED, the angle of lamp source 12 axis is 74 ~ 76 °, on LED lamp bead in described four LED rings in the second LED ring and LED, the angle of lamp source 12 axis is 67 ~ 70 °, on LED lamp bead in described four LED rings in the 3rd LED ring and LED, the angle of lamp source 12 axis is 60 ~ 62 °, on LED lamp bead in described four LED rings in the 4th LED ring and LED, the angle of lamp source 12 axis is 53 ~ 56 °, on LED lamp bead in described four LED rings in the 5th LED ring and LED, the angle of lamp source 12 axis is 46 ~ 48 °.
Said base 1, computer 4 are installed on equipment frame 6, support 7 respectively, and described column 3 is fixed on pedestal 1 rear side end.
The sidewall of above-mentioned focusing lens 8 is provided with the motor 20 for regulating described focusing lens 8 focal length; The bottom of the said equipment frame 6 is provided with adjustable feet 7.
The aperture of above-mentioned inclined hole 181 and the external diameter of LED lamp bead 17 match, and leading flank and the right flank of the base plate of above-mentioned surveying work platform 2 are provided with level meter 19.
When adopting the efficient image measuring device of above-mentioned sweep type, it considerably increases precision and the speed of measurement, solve a measurement difficult problem for soft work, when also solving for pure white, transparent and low reflection workpiece, the problem that contrast on border is low, adopt red, yellow, blue and green four kinds of LED lamp bead and combine and arrange in pairs or groups with the multiple angle of lamp source axis, substantially increase the contrast affecting edge, measuring system is made to obtain image effect more clearly, and enhance image boundary, thus improve measuring accuracy; Secondly, the light source configuration that it adopts front light source and back side light source to combine, this configuration can not only realize uniform irradiation, uneven irradiation can also be realized, thus highlight the contrast of tested significant points, make image measurer obtain best image, thus ensure that the stability of part image quality of the same race, for determinacy measurement is laid a good foundation, make the repeatability of measuring accuracy better; Again, really realize full automatic working, improve work efficiency and measuring accuracy, realize the light-ray condensing of numerous lamp pearl, promote brightness, be beneficial to application measurement under various circumstances, meanwhile, the firm lamp pearl of the inclined hole on lamp plate, promote LED lamp pearl and fastness is installed, lamp pearl is irradiated stable, not easily occur crooked, increase the service life.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (6)
1. the efficient image measuring device of sweep type, it is characterized in that: comprise pedestal (1), the upper lamp source of LED (12), surveying work platform (2), column (3), laser scanning system (24), image measuring system (25) and Z axis driving mechanism (10), described laser scanning system (24) mainly comprises stepper motor (26), laser beam emitting head (27) and laser collecting sensor (28), described stepper motor (26) below is connected with laser beam emitting head (27) and laser collecting sensor (28) by transmission shaft (261), the signal control end of described laser beam emitting head (27) is connected with computer (4) feedback end, and the signal control end of stepper motor (26) is connected with computer (4) with the feedback end of laser beam emitting head (27),
Described image measuring system (25) comprises lamp source (12) on image mirror sleeve (9), CCD video camera (11) and LED, the described image mirror sleeve (9) that below has focusing lens (8) is installed on Z axis driving mechanism (10), and this Z axis driving mechanism (10) is fixed on the leading flank of column (3); One CCD video camera (11) is arranged in image mirror sleeve (9), and this CCD video camera (11) is electrically connected with computer (4); The lower end of described focusing lens (8) is fixed with lamp source on LED (12), is provided with LED profile light source (14) under the glass table top (13) of described surveying work platform (2);
On described LED, lamp source (12) comprises lamp socket (15), circuit board (16), lamp plate (18), several red LED lamp pearls (171) being electrically connected to circuit board (16), yellow LED lamp pearl (172), blue led lamp pearl (173) and green LED lamp pearl (174), this lamp plate (18) offers several inclined holes (181), described LED lamp bead (17) embeds in inclined hole (181), LED lamp bead (17) and inclined hole (181) one_to_one corresponding setting-in, this inclined hole (181) is acute angle with the angle of the axis of lamp plate (18), several red LED lamp pearls (171), yellow LED lamp pearl (172), blue led lamp pearl (173) and green LED lamp pearl (174) arrange from inside to outside and form at least four LED rings (22), described at least four LED rings are circumferentially divided into the firstth district (231) successively, secondth district (232), 3rd district (233) and the 4th district (234), red LED lamp pearl (171) is in described firstth district (231), yellow LED lamp pearl (172) is in described secondth district (232), blue led lamp pearl (173) is in described 3rd district (233), green LED lamp pearl (174) is in described 4th district (234).
2. efficient image measuring device according to claim 1, is characterized in that: several red LED lamp pearls (171), yellow LED lamp pearl (172), blue led lamp pearl (173) and green LED lamp pearl (174) arrange formation five LED rings from inside to outside.
3. efficient image measuring device according to claim 1, is characterized in that: described pedestal (1), computer (4) are installed on equipment frame (6), support (7) respectively, and described column (3) is fixed on pedestal (1) rear side end.
4. efficient image measuring device according to claim 1, is characterized in that: the sidewall of described focusing lens (8) is provided with the motor (20) for regulating described focusing lens (8) focal length.
5. efficient image measuring device according to claim 1, is characterized in that: the aperture of described inclined hole (181) and the external diameter of LED lamp bead (17) match.
6. efficient image measuring device according to claim 1, is characterized in that: leading flank and the right flank of the base plate of described surveying work platform (2) are provided with level meter (19).
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CN201420578498.5U CN204165513U (en) | 2014-10-09 | 2014-10-09 | The efficient image measuring device of sweep type |
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CN201420578498.5U CN204165513U (en) | 2014-10-09 | 2014-10-09 | The efficient image measuring device of sweep type |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017157043A1 (en) * | 2016-03-16 | 2017-09-21 | 苏州富强科技有限公司 | Measurement system based on point laser imaging |
WO2017157044A1 (en) * | 2016-03-16 | 2017-09-21 | 苏州富强科技有限公司 | Measurement system based on line laser imaging |
CN114623397A (en) * | 2022-03-07 | 2022-06-14 | 东莞康视达自动化科技有限公司 | Detection light source for eliminating reflection of light by machine vision and detection method thereof |
-
2014
- 2014-10-09 CN CN201420578498.5U patent/CN204165513U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017157043A1 (en) * | 2016-03-16 | 2017-09-21 | 苏州富强科技有限公司 | Measurement system based on point laser imaging |
WO2017157044A1 (en) * | 2016-03-16 | 2017-09-21 | 苏州富强科技有限公司 | Measurement system based on line laser imaging |
CN114623397A (en) * | 2022-03-07 | 2022-06-14 | 东莞康视达自动化科技有限公司 | Detection light source for eliminating reflection of light by machine vision and detection method thereof |
CN114623397B (en) * | 2022-03-07 | 2023-01-17 | 东莞康视达自动化科技有限公司 | Detection light source for eliminating reflection of light by machine vision and detection method thereof |
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