CN201299553Y - Monitoring center optical spot alignment device - Google Patents
Monitoring center optical spot alignment device Download PDFInfo
- Publication number
- CN201299553Y CN201299553Y CNU2008201364838U CN200820136483U CN201299553Y CN 201299553 Y CN201299553 Y CN 201299553Y CN U2008201364838 U CNU2008201364838 U CN U2008201364838U CN 200820136483 U CN200820136483 U CN 200820136483U CN 201299553 Y CN201299553 Y CN 201299553Y
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- beam divider
- lens
- mist
- cloud
- lens barrel
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Abstract
The utility model relates to a monitoring center optical spot alignment device; a center optical spot device (27) is arranged among an object glass device (26), a monitoring beam splitter device (25), a mist beam splitter device (24), a mist system device (23) and a monitoring system device (22), an eye (19) is positioned at the ocular circle position of a full-automatic optometry instrument, the device comprises a lens barrel bracket (1) of the center optical spot device (27), a bolt (2), a flap gasket (3), a light source circuit plate (4), an infrared ray luminous tube (5), a diaphragm barrel (6), a diaphragm sheet (7), an aperture diaphragm (8), a lens barrel (9), an optical collector (10) and an optical spot beam splitter (11); the center optical spot generated by the device is used for monitoring and aligning to the pupil center of an eye ball, the precision and speed of the center alignment of a eye ball pupil of the full-automatic optometry instrument is greatly improved, the coaxiality of the oculometric axis of the eye ball and an optical shaft of an optical system of the full-automatic optometry instrument is enhanced,; meanwhile, the measuring accuracy of the full-automatic optometry instrument is improved, and the device provides a sufficient condition for the full-automatic optometry instrument to realize a self-tracking system.
Description
Technical field
This utility model belongs to a kind of full-automatic eye refractometer, is specifically related to a kind of central monitoring position spot alignment device.
Background technology
At present full-automatic eye refractometer does not have central monitoring position spot alignment device, and one does not have this device can not produce pipper at eyeball pupil center place, monitors that sighting target is not easy to aim at eyeball pupil center, and aligned precision is not enough.It causes the alignment of the eyeball optical axis and full-automatic eye refractometer system optical axis inconsistent two because the aligned accuracy of pupil center is not enough, influences the measurement accuracy of full-automatic eye refractometer.
The utility model content
The technical problem that this utility model solves provides a kind of central monitoring position spot alignment device, this device is in the eye refractometer testing process, eyeball pupil center place produces pipper, has improved the precision and the speed of the centrally aligned of full-automatic eye refractometer eyeball pupil greatly; It two is the alignments that strengthened the eyeball optical axis and full-automatic eye refractometer system optical axis; Its three measurement accuracy that has improved full-automatic eye refractometer.
Technical solutions of the utility model: central monitoring position spot alignment device is made up of objective apparatus 26, supervision beam divider device 25, cloud and mist beam divider device 24, pipper device 27, cloud and mist system and device 23, additional spot beam divider device 28, surveillance device 22, pipper device 27 is arranged on the vertical line that reaches additional spot beam divider device 28 between cloud and mist beam divider device 24 and the cloud and mist system and device 23, eyes 19 are positioned at the emergent pupil place of full-automatic eye refractometer, and said apparatus all is fixed on the parts.Objective apparatus 26 comprises lens barrel 16, object lens 17, scoring ring 18, is provided with object lens 17 in the lens barrel 16, and lens barrel 16 is fixing with object lens 17, and scoring ring 18 is fixed in outside the lens barrel 16; Pipper device 27 comprises luminous point lens cone frame 1, screw 2, plain washer 3, circuit of light sources plate 4, infrared light emission pipe 5, diaphragm tube 6, diffusion sheet 7, aperture 8, lens barrel 9, condenser lens 10, luminous point beam divider 11,45 ° of inclined-planes of luminous point lens cone frame 1 are provided with luminous point beam divider 11, in luminous point lens cone frame 1, be provided with diaphragm tube 6, by screw 2 circuit of light sources plate 4 is fixed on diaphragm tube 6 upper ends, infrared light emission pipe 5 is arranged in the diaphragm tube 6, diffusion sheet 7 and aperture 8 are fixed on diaphragm tube 6 lower ends, be provided with condenser lens 10 in the lens barrel 9, lens barrel 9 is fixing with condenser lens 10; Cloud and mist beam divider device 24 comprises cloud and mist beam divider 12, cloud and mist beam divider seat 13, fix with glue between cloud and mist beam divider 12 and the cloud and mist beam divider seat 13, monitor that beam divider device 25 comprises supervision beam divider 14, monitors beam divider seat 15, monitor beam divider 14 and monitor between the beam divider seat 15 and fix with glue, additional spot beam divider device 28 luminous point beam dividers 20, luminous point beam divider seat 21, additional spot beam divider 20, and luminous point beam divider 21 between fix with glue.Be provided with additional spot beam divider device 28 between supervision beam divider device 25 and surveillance device 22, the vertical line of additional spot beam divider device 28 is provided with pipper device 27.Pipper device 27 removes luminous point beam divider 11, luminous point lens cone frame 1 is removed 45 ° of inclined-planes and is become the planar second pipper device 29, it comprises that removing 45 ° of inclined-planes becomes plane luminous point lens cone frame 1, screw 2, plain washer 3, circuit of light sources plate 4, infrared light emission pipe 5, diaphragm tube 6, diffusion sheet 7, aperture 8, lens barrel 9, condenser lens 10, become in the plane luminous point lens cone frame 1 and be provided with diaphragm tube 6 removing 45 ° of inclined-planes, by screw 2 circuit of light sources plate 4 is fixed on diaphragm tube 6 upper ends, infrared light emission pipe 5 is arranged in the diaphragm tube 6, diffusion sheet 7 and aperture 8 are fixed on diaphragm tube 6 lower ends, be provided with condenser lens 10 in the lens barrel 9, lens barrel 9 is fixing with condenser lens 10, and the second pipper device 29 is arranged on the vertical line of additional spot beam divider device 28.Pipper device 27 is arranged to one or two.The wavelength of described infrared light emission pipe 5 is 650～750nm.
This utility model has following beneficial effect compared with prior art: one is in the eye refractometer testing process, and eyeball pupil center place produces pipper, has improved full-automatic aligned precision of eye refractometer eyeball pupil center and speed greatly; It two is the alignments that strengthened the eyeball optical axis and full-automatic eye refractometer system optical axis; Its three measurement accuracy that has improved full-automatic eye refractometer.It four realizes that automatic tracking system provides sufficient condition for full-automatic eye refractometer.
Description of drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is along the cutaway view of BB hatching among Fig. 1;
The specific embodiment
Embodiment 1:
Central monitoring position spot alignment device is by objective apparatus 26, monitor beam divider device 25, cloud and mist beam divider device 24, pipper device 27, cloud and mist system and device 23, surveillance device 22 is formed, pipper device 27 is arranged between cloud and mist beam divider device 24 and the cloud and mist system and device 23, eyes 19 are positioned at the emergent pupil place of full-automatic eye refractometer, said apparatus all is fixed on the parts, objective apparatus 26 comprises lens barrel 16, object lens 17, scoring ring 18, be provided with object lens 17 in the lens barrel 16, lens barrel 16 is fixed with object lens 17 usefulness trim rings, and scoring ring 18 is fixed in outside the lens barrel 16; Center light is decorated 27 and is put and comprise luminous point lens cone frame 1, screw 2, plain washer 3, circuit of light sources plate 4, infrared light emission pipe 5, diaphragm tube 6, diffusion sheet 7, aperture 8, lens barrel 9, condenser lens 10, luminous point beam divider 11,45 ° of inclined-planes of luminous point lens cone frame 1 are provided with luminous point beam divider 11, in luminous point lens cone frame 1, be provided with diaphragm tube 6, by screw 2 circuit of light sources plate 4 is fixed on diaphragm tube 6 upper ends, infrared light emission pipe 5 is arranged in the diaphragm tube 6, diffusion sheet 7 and aperture 8 are fixed on diaphragm tube 6 lower ends, be provided with condenser lens 10 in the lens barrel 9, lens barrel 9 is fixing with condenser lens 10; Cloud and mist beam divider device 24 comprises cloud and mist beam divider 12, cloud and mist beam divider seat 13, fix with glue between cloud and mist beam divider 12 and the cloud and mist beam divider seat 13, monitor that beam divider device 25 comprises supervision beam divider 14, monitors beam divider seat 15, monitors beam divider 14 and monitors between the beam divider seat 15 and fix with glue.The wavelength of described infrared light emission pipe 5 is 700nm.
Embodiment 2
Central monitoring position spot alignment device is by objective apparatus 26, monitor beam divider device 25, cloud and mist beam divider device 24, pipper device 27, cloud and mist system and device 23, additional spot beam divider device 28, surveillance device 22 is formed, pipper device 27 is arranged on the vertical line that reaches additional spot beam divider device 28 between cloud and mist beam divider device 24 and the cloud and mist system and device 23, eyes 19 are positioned at the emergent pupil place of full-automatic eye refractometer, said apparatus all is fixed on the parts, objective apparatus 26 comprises lens barrel 16, object lens 17, scoring ring 18, be provided with object lens 17 in the lens barrel 16, lens barrel 16 is fixed with object lens 17 usefulness trim rings, and scoring ring 18 is fixed in outside the lens barrel 16; Pipper device 27 comprises luminous point lens cone frame 1, screw 2, plain washer 3, circuit of light sources plate 4, infrared light emission pipe 5, diaphragm tube 6, diffusion sheet 7, aperture 8, lens barrel 9, condenser lens 10, luminous point beam divider 11,45 ° of inclined-planes of luminous point lens cone frame 1 are provided with luminous point beam divider 11, in luminous point lens cone frame 1, be provided with diaphragm tube 6, by screw 2 circuit of light sources plate 4 is fixed on diaphragm tube 6 upper ends, infrared light emission pipe 5 is arranged in the diaphragm tube 6, diffusion sheet 7 and aperture 8 are fixed on diaphragm tube 6 lower ends, be provided with condenser lens 10 in the lens barrel 9, lens barrel 9 is fixing with condenser lens 10; Cloud and mist beam divider device 24 comprises cloud and mist beam divider 12, cloud and mist beam divider seat 13, fix with glue between cloud and mist beam divider 12 and the cloud and mist beam divider seat 13, monitor that beam divider device 25 comprises supervision beam divider 14, monitors beam divider seat 15, monitors beam divider 14 and monitors between the beam divider seat 15 and fix with glue.Additional spot beam divider device 28 luminous point beam dividers 20, luminous point beam divider seat 21, additional spot beam divider 20, and luminous point beam divider 21 between fix with glue.The wavelength of described infrared light emission pipe 5 is 700nm.
Claims (5)
1. a central monitoring position spot alignment device comprises objective apparatus (26), monitors beam divider device (25), cloud and mist beam divider device (24), cloud and mist system and device (23), surveillance device (22), it is characterized in that objective apparatus (26) and monitor beam divider device (25) and cloud and mist beam divider device (24) and cloud and mist system and device (23), surveillance device (22) between be provided with pipper device (27), said apparatus all is fixed on the parts; Objective apparatus (26) comprises lens barrel (16), object lens (17), scoring ring (18), is provided with object lens (17) in the lens barrel (16), and lens barrel (16) is fixing with object lens (17), and scoring ring (18) is fixed in outside the lens barrel (16); The pipper device comprises luminous point lens cone frame (1), screw (2), plain washer (3), circuit of light sources plate (4), infrared light emission pipe (5), diaphragm tube (6), diffusion sheet (7), aperture (8), lens barrel (9), condenser lens (10), luminous point beam divider (11), 45 ° of inclined-planes of luminous point lens cone frame (1) are provided with luminous point beam divider (11), in luminous point lens cone frame (1), be provided with diaphragm tube (6), by screw (2) circuit of light sources plate (4) is fixed on diaphragm tube (6) upper end, infrared light emission pipe (5) is arranged in the diaphragm tube (6), diffusion sheet (7) and aperture (8) are fixed on diaphragm tube (6) lower end, be provided with condenser lens (10) in the lens barrel (9), lens barrel (9) is fixing with condenser lens (10); Cloud and mist beam divider device (24) comprises cloud and mist beam divider (12), cloud and mist beam divider seat (13), fixes with glue between cloud and mist beam divider (12) and the cloud and mist beam divider seat (13); Monitor that beam divider device (25) comprises supervision beam divider (14), monitors beam divider seat (15), monitors beam divider (14) and monitors between the beam divider seat (15) and fix with glue.
2. central monitoring position spot alignment device according to claim 1, it is characterized in that being provided with additional spot beam divider device (28) between supervision beam divider device (25) and surveillance device (22), the vertical line of additional spot beam divider device (28) is provided with pipper device (27).
3. central monitoring position spot alignment device according to claim 2, it is characterized in that pipper device (27) removes luminous point beam divider (11), luminous point lens cone frame (1) is removed 45 ° of inclined-planes and is become planar pipper device (29), it comprises that removing 45 ° of inclined-planes becomes plane luminous point lens cone frame (1), screw (2), plain washer (3), circuit of light sources plate (4), infrared light emission pipe (5), diaphragm tube (6), diffusion sheet (7), aperture (8), lens barrel (9), condenser lens (10), become and be provided with diaphragm tube (6) in the plane luminous point lens cone frame (1) removing 45 ° of inclined-planes, by screw (2) circuit of light sources plate (4) is fixed on diaphragm tube (6) upper end, infrared light emission pipe (5) is arranged in the diaphragm tube (6), diffusion sheet (7) and aperture (8) are fixed on diaphragm tube (6) lower end, be provided with condenser lens (10) in the lens barrel (9), lens barrel (9) is fixing with condenser lens (10), pipper device (29) is arranged on the vertical line of additional spot beam divider device (28)
4. central monitoring position spot alignment device according to claim 1 is characterized in that the pipper device is provided with (27) and becomes one or two.
5. central monitoring position spot alignment device according to claim 1, the wavelength that it is characterized in that described infrared light emission pipe (5) is 650～750nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201364838U CN201299553Y (en) | 2008-09-24 | 2008-09-24 | Monitoring center optical spot alignment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201364838U CN201299553Y (en) | 2008-09-24 | 2008-09-24 | Monitoring center optical spot alignment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201299553Y true CN201299553Y (en) | 2009-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201364838U Expired - Lifetime CN201299553Y (en) | 2008-09-24 | 2008-09-24 | Monitoring center optical spot alignment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201299553Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101416870B (en) * | 2008-09-24 | 2012-10-10 | 太原中北新缘科技中心 | Light-spot alignment device of monitoring center |
| CN109407333A (en) * | 2018-12-14 | 2019-03-01 | 中国科学院长春光学精密机械与物理研究所 | The automated calibration system and calibration method of the acquisition and tracking optical axis and Laser emission axis |
-
2008
- 2008-09-24 CN CNU2008201364838U patent/CN201299553Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101416870B (en) * | 2008-09-24 | 2012-10-10 | 太原中北新缘科技中心 | Light-spot alignment device of monitoring center |
| CN109407333A (en) * | 2018-12-14 | 2019-03-01 | 中国科学院长春光学精密机械与物理研究所 | The automated calibration system and calibration method of the acquisition and tracking optical axis and Laser emission axis |
| CN109407333B (en) * | 2018-12-14 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Automatic calibration system and calibration method for capturing and tracking visual axis and laser emission axis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090902 Effective date of abandoning: 20080924 |