CN201569558U - Automated focal length detector - Google Patents
Automated focal length detector Download PDFInfo
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- CN201569558U CN201569558U CN2009202279396U CN200920227939U CN201569558U CN 201569558 U CN201569558 U CN 201569558U CN 2009202279396 U CN2009202279396 U CN 2009202279396U CN 200920227939 U CN200920227939 U CN 200920227939U CN 201569558 U CN201569558 U CN 201569558U
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- linear motion
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Abstract
The utility model provides an automated focal length detector, which comprises a collimator, a lens holder, a linear motion unit, a control box, a micrometric system and a computer system, wherein the lens holder is arranged between the collimator and the micrometric system, the computer system is connected with the control box, and the control box is connected with the linear motion unit and the micrometric system. The lens holder is arranged on the linear motion unit, and the axes of the collimator, the micrometric system and the lens holder are on the same horizontal line. The collimator, the micrometric system and the linear motion unit are all arranged on a support platform. The linear motion unit is a motor-driven linear platform, and the motion of the linear motion unit drives the lens holder on the linear motion unit to move back and forth. The micrometric system is a charge coupler, i.e. a CCD system which is a semiconductor device transforming optical images into digital signals. The utility model can automatically detect the focal length of the lens, is operated simply, has high efficiency, avoids errors caused by manual operation, and has high measurement accuracy.
Description
Technical field
The utility model relates to the optical instrumentation that detects the focal length of lens, particularly relates to robotization focal length detector.
Background technology
Focal length of lens detector of the prior art mainly is made up of parallel light tube, rectilinear motion unit, lens clamp, micrometer microscope.During measurement, lens to be measured are installed on the clamper, the position of manual adjustments clamper make parallel light tube, glass sieve plate as clear no parallax be imaged on the eyepiece dividing plane place of micrometer microscope, manually calculate the focal length of lens then by correlation formula, can't detect automatically.
Use prior art to detect the focal length of lens, not only need eye-observation and manual setting measuring microscope, but also must write down glass sieve plate imaging data and calculate, troublesome poeration not only, efficient is low, and human factor is more, easily produces error.
Summary of the invention
The purpose of this utility model provides a kind of robotization focal length detector, can detect the focal length of lens automatically, and is simple to operate, the efficient height.
In order to achieve the above object, robotization focal length detector of the present utility model comprises parallel light tube, lens clamp and rectilinear motion unit, it is characterized in that: also comprise control box, micrometer system and computer system;
Lens clamp is between parallel light tube and micrometer system, and computer system is connected with control box, and control box is connected with rectilinear motion unit and micrometer system.
Lens clamp is installed on the rectilinear motion unit, and the axis of parallel light tube, micrometer system and lens clamp is on the same horizontal line.Parallel light tube, micrometer system and rectilinear motion unit all are installed on the support platform.
Described rectilinear motion unit is the motor-driven linear platform, and the lens clamp that the motion of rectilinear motion unit drives on it seesaws.
Described micrometer system is a charge-coupled device, i.e. CCD system is a kind of optical image to be converted into the digital signal semiconductor device.
In the described control box motor driver is arranged, by the signal of computer system, the motor that motor driver drives the rectilinear motion unit rotates forward or backwards, thereby the lens clamp on the rectilinear motion unit is seesawed.
Comprise center processor, mainboard, display card, display, memory bar, motion control card and image information capture card in the described computer system, image comparison software is arranged in the computer system.
Glass sieve plate is arranged in the described parallel light tube, and parallel light tube sends glass sieve plate line in the directional light image.
Described lens clamp is the lens clamping element, and lens to be detected are fixed thereon.
During work, lens to be detected are contained on the lens clamp, lens clamp is installed on the rectilinear motion unit, imaging on CCD behind glass sieve plate image scioptics of parallel light tube, the different focal lengths of lens is the imaging difference on CCD, glass sieve plate image information of the parallel light tube of gathering by CCD, computer software is judged focal plane automatically, move forward and backward by control box control rectilinear motion unit, the picture of the glass sieve plate in the parallel light tube is clearly shown on the CCD, draw the focal length of lens to be checked again by computed in software automatically.
Because in the testing process, computer system is finished control automatically and is calculated, and the efficient height is easy to operate, the error of having avoided manually-operated to bring, measuring accuracy height.
The purpose of this utility model provides a kind of robotization focal length detector, can detect the focal length of lens automatically, and is simple to operate, efficient height, the error of having avoided manually-operated to bring, measuring accuracy height.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
The explanation of Fig. 1 mark: parallel light tube 1, lens clamp 2, rectilinear motion unit 3, micrometer system 4, control box 5, computer system 6, support platform 7.
Referring to Fig. 1, the embodiment of the utility model robotization focal length detector comprises parallel light tube 1, lens clamp 2 and rectilinear motion unit 3, also comprises control box 5, micrometer system 4, computer system 6 and support platform 7
In the control box 5 motor driver is arranged, by the signal of computer system 6, the motor that motor driver drives rectilinear motion unit 3 rotates forward or backwards, thereby the lens clamp 2 on the rectilinear motion unit 3 is seesawed.
Comprise center processor, mainboard, display card, display, memory bar, motion control card and image information capture card in the computer system 6, in the computer system 6 image comparison software is arranged.In the present embodiment, for PC installs motion control card and image information capture card additional.
Glass sieve plate is arranged in the parallel light tube 1, and parallel light tube 1 sends glass sieve plate line in the directional light image.
During work, lens to be detected are contained on the lens clamp 2, lens clamp 2 is installed on the rectilinear motion unit 3, imaging on CCD behind glass sieve plate image scioptics of parallel light tube 1, the different focal lengths of lens is the imaging difference on CCD, glass sieve plate image information of the parallel light tube of gathering by CCD 1, computer software is judged focal plane automatically, move forward and backward by control box 5 control rectilinear motion unit 3, the picture of the glass sieve plate in the parallel light tube 1 is clearly shown on the CCD, draw the focal length of lens to be checked again by computed in software automatically.
Because in the testing process, computer system 6 is finished control automatically and is calculated, and the efficient height is easy to operate, the error of having avoided manually-operated to bring, measuring accuracy height.
The purpose of this utility model provides a kind of robotization focal length detector, can detect the focal length of lens automatically, simple to operate, the efficient height, the error of having avoided manually-operated to bring, the measuring accuracy height is fit to the measurement of optical lens, and its use has important meaning to precision and the speed that improves focal length of lens measurement.
Claims (3)
1. robotization focal length detector comprises parallel light tube, lens clamp and rectilinear motion unit, it is characterized in that: also comprise control box, micrometer system and computer system;
Lens clamp is between parallel light tube and micrometer system, and computer system is connected with control box, and control box is connected with rectilinear motion unit and micrometer system.
2. robotization focal length detector according to claim 1 is characterized in that: the rectilinear motion unit is the motor-driven linear platform.
3. robotization focal length detector according to claim 1 is characterized in that: micrometer system is a charge-coupled device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202279396U CN201569558U (en) | 2009-09-08 | 2009-09-08 | Automated focal length detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202279396U CN201569558U (en) | 2009-09-08 | 2009-09-08 | Automated focal length detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201569558U true CN201569558U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202279396U Expired - Fee Related CN201569558U (en) | 2009-09-08 | 2009-09-08 | Automated focal length detector |
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| CN (1) | CN201569558U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466560A (en) * | 2010-11-11 | 2012-05-23 | 北京国科世纪激光技术有限公司 | Device for measuring optical parameters |
| CN102466558A (en) * | 2010-11-11 | 2012-05-23 | 北京国科世纪激光技术有限公司 | Magnetic optical isolator rotation angle measuring method and optical parameter measuring device |
| CN102540638A (en) * | 2012-01-05 | 2012-07-04 | 中航华东光电有限公司 | Detection device for focal position and detection method thereof |
| CN102636181A (en) * | 2012-03-16 | 2012-08-15 | 长春奥普光电技术股份有限公司 | Method for detecting focal length of high-precision spatial aerial camera |
| CN102998093A (en) * | 2012-11-05 | 2013-03-27 | 中山大学 | Device and method for quickly automatically measuring focal distance |
| CN103033344A (en) * | 2012-12-14 | 2013-04-10 | 中国科学院长春光学精密机械与物理研究所 | Optical system focal distance detection method |
| CN103033345A (en) * | 2013-01-05 | 2013-04-10 | 山西省电力公司大同供电分公司 | Device and method for automatically measuring focal length of thin convex lens |
| CN103439088A (en) * | 2013-08-19 | 2013-12-11 | 江苏大学 | Method and device for using convex lens to generate collimated light |
| CN103454066A (en) * | 2012-06-05 | 2013-12-18 | 深圳市豪恩安全科技有限公司 | Convex lens focal length detecting device |
| CN103698107A (en) * | 2013-12-06 | 2014-04-02 | 中国科学院西安光学精密机械研究所 | Negative lens focal distance testing device and testing method |
| CN105203304A (en) * | 2015-10-09 | 2015-12-30 | 茂莱（南京）仪器有限公司 | Optical bench for measuring focus length through magnification method |
| CN106768872A (en) * | 2016-11-17 | 2017-05-31 | 孝感华中精密仪器有限公司 | A kind of automatic focimeter |
| CN107806983A (en) * | 2017-11-24 | 2018-03-16 | 中山依瓦塔光学有限公司 | Automatically controlled auto-focusing parallel light tube |
| CN107941472A (en) * | 2017-11-24 | 2018-04-20 | 中山依瓦塔光学有限公司 | Rotatable auto-focusing parallel light tube |
| CN107271143B (en) * | 2016-03-31 | 2019-12-31 | 韩国电子通信研究院 | Optical communication lens characteristic evaluation device and optical communication lens characteristic evaluation method |
-
2009
- 2009-09-08 CN CN2009202279396U patent/CN201569558U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102466558A (en) * | 2010-11-11 | 2012-05-23 | 北京国科世纪激光技术有限公司 | Magnetic optical isolator rotation angle measuring method and optical parameter measuring device |
| CN102466560A (en) * | 2010-11-11 | 2012-05-23 | 北京国科世纪激光技术有限公司 | Device for measuring optical parameters |
| CN102540638A (en) * | 2012-01-05 | 2012-07-04 | 中航华东光电有限公司 | Detection device for focal position and detection method thereof |
| CN102636181A (en) * | 2012-03-16 | 2012-08-15 | 长春奥普光电技术股份有限公司 | Method for detecting focal length of high-precision spatial aerial camera |
| CN103454066A (en) * | 2012-06-05 | 2013-12-18 | 深圳市豪恩安全科技有限公司 | Convex lens focal length detecting device |
| CN103454066B (en) * | 2012-06-05 | 2016-04-06 | 深圳市豪恩安全科技有限公司 | Focal length of convex lens pick-up unit |
| CN102998093A (en) * | 2012-11-05 | 2013-03-27 | 中山大学 | Device and method for quickly automatically measuring focal distance |
| CN102998093B (en) * | 2012-11-05 | 2015-05-20 | 中山大学 | Device and method for quickly automatically measuring focal distance |
| CN103033344A (en) * | 2012-12-14 | 2013-04-10 | 中国科学院长春光学精密机械与物理研究所 | Optical system focal distance detection method |
| CN103033344B (en) * | 2012-12-14 | 2015-02-18 | 中国科学院长春光学精密机械与物理研究所 | Optical system focal distance detection method |
| CN103033345A (en) * | 2013-01-05 | 2013-04-10 | 山西省电力公司大同供电分公司 | Device and method for automatically measuring focal length of thin convex lens |
| CN103033345B (en) * | 2013-01-05 | 2015-04-08 | 山西省电力公司大同供电分公司 | Device and method for automatically measuring focal length of thin convex lens |
| CN103439088A (en) * | 2013-08-19 | 2013-12-11 | 江苏大学 | Method and device for using convex lens to generate collimated light |
| CN103439088B (en) * | 2013-08-19 | 2015-09-30 | 江苏大学 | The method and apparatus of directional light is produced with convex lens |
| CN103698107A (en) * | 2013-12-06 | 2014-04-02 | 中国科学院西安光学精密机械研究所 | Negative lens focal distance testing device and testing method |
| CN103698107B (en) * | 2013-12-06 | 2016-04-27 | 中国科学院西安光学精密机械研究所 | Negative lens focal length proving installation and method of testing |
| CN105203304A (en) * | 2015-10-09 | 2015-12-30 | 茂莱（南京）仪器有限公司 | Optical bench for measuring focus length through magnification method |
| CN107271143B (en) * | 2016-03-31 | 2019-12-31 | 韩国电子通信研究院 | Optical communication lens characteristic evaluation device and optical communication lens characteristic evaluation method |
| CN106768872A (en) * | 2016-11-17 | 2017-05-31 | 孝感华中精密仪器有限公司 | A kind of automatic focimeter |
| CN106768872B (en) * | 2016-11-17 | 2019-08-30 | 孝感华中精密仪器有限公司 | A kind of automatic focimeter |
| CN107806983A (en) * | 2017-11-24 | 2018-03-16 | 中山依瓦塔光学有限公司 | Automatically controlled auto-focusing parallel light tube |
| CN107941472A (en) * | 2017-11-24 | 2018-04-20 | 中山依瓦塔光学有限公司 | Rotatable auto-focusing parallel light tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN FUHUA OPTOELECTRONIC TECHNOLOGY CO., LTD. Assignor: Hubei Huazhong Photoelectric Science and Technology Ltd. Contract record no.: 2011440020336 Denomination of utility model: Automated focal length detector Granted publication date: 20100901 License type: Exclusive License Record date: 20110907 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20120908 |