CN105423958A - Multi-optical-axis parallelism detection apparatus and method - Google Patents
Multi-optical-axis parallelism detection apparatus and method Download PDFInfo
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- CN105423958A CN105423958A CN201510900782.9A CN201510900782A CN105423958A CN 105423958 A CN105423958 A CN 105423958A CN 201510900782 A CN201510900782 A CN 201510900782A CN 105423958 A CN105423958 A CN 105423958A
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- light tube
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a multi-optical-axis parallelism detection apparatus and method. The multi-optical-axis parallelism detection method includes the steps: determining a detection basis reference, adjusting a collimator in the field range of a first sensor among the first sensor and a second sensor for an optical system to be detected, energizing the optical system to be detected, and enabling the cross cursor of the first sensor to align against the graticule cross curve of the collimator; adjusting the distance between the collimator and the optical system to enable the collimator within the field range of the second sensor; and observing the relative position of the cross cursor of the second sensor and the graticule cross curve of the collimator. By means of the multi-optical-axis parallelism detection method, the collimator with large caliber cannot be depended on, so that the structure is relatively simple and the cost is reduced.
Description
Technical field
The present invention relates to a kind of many parallelisms of optical axis pick-up unit and detection method.
Background technology
Many parallelisms of optical axis are the basic guarantees that multi-sensor photoelectric weaponry normally runs, therefore, parallelism of optical axis becomes an important parameter of many optical axises electro-optical equipment, not only need to detect accurately in system, installation, maintenance process and debug, and the imbalance of optical-mechanical system can be caused due to environmental change, also need in use in time to verify.
Conventional parallelism of optical axis detection method has projection target plate method, laser beam axis instrument method, pentaprism method and path-splitting projective method, this several method optical system relative complex, also has heavy caliber collimator method, heavy caliber parallel light tube cost is higher, and optical system the method larger to some optical axis distances cannot be measured.
Summary of the invention
The object of this invention is to provide the many parallelisms of optical axis detection method can measuring the larger optical system of optical axis distance.The present invention simultaneously also provides many parallelisms of optical axis pick-up unit that a kind of structure is simple, implement this detection method.
In order to realize above object, in the present invention, the technical scheme of many parallelisms of optical axis detection method is as follows: many parallelisms of optical axis detection method, comprise the following steps, 1) determine to detect reference data, parallel light tube is regulated to be in the field range of the first sensor in the first sensor setting up and down of optical system to be detected, the second sensor, now parallel light tube is not in the field range of the second sensor, to optical system to be measured energising, and the tracking cross of first sensor is made to aim at the graticule cross curve of parallel light tube; 2) regulate the distance of parallel light tube and optical system, make parallel light tube be in the field range of the second sensor; 3) relative position of the tracking cross of the second sensor and the graticule cross curve of parallel light tube is observed.
The present invention's many parallelisms of optical axis pick-up unit adopts following technical scheme, many parallelisms of optical axis pick-up unit comprises detection platform, detection platform is provided with the mobile device that can move left and right in left-right direction, mobile device is provided with the parallel light tube that axis extends in left-right direction, described detection platform is provided with the stationary fixture for fixing optical system to be detected in the right of mobile device, the stroke of the left and right directions of described mobile device can meet parallel light tube and be in the field range of the sensor of described optical system.
Described first sensor is transmission sensors, described second sensor is TV sensor, described TV sensor is connected with monitor, and the relative position of the tracking cross of described second sensor and the graticule cross curve of parallel light tube is shown by described monitor imaging.
Described mobile device comprises fixed guide that the axis be fixed in detection platform extends in left-right direction, lead the movable guiding rail extended along the vertical direction be assemblied on fixed guide, and described parallel light tube is arranged on described movable guiding rail.
Beneficial effect of the present invention: when measuring the parallelism of optical axis of optical system, first utilize a sensor alignment in parallel light tube and optical system, as measuring basis.Then the distance of parallel light tube relative to optical system is changed, parallel light tube is made to be in the field range of another sensor, by the tracking cross of observing this another sensor whether with the graticule reticle alignment of parallel light tube, if prove that optical axis is parallel to criterion, if misalignment, then can reflect the parallelism error of two optical axises.Utilize method of the present invention, bigbore parallel light tube can not relied on, make structure also relatively simple, reduce cost.The present invention can measure the parallelism of optical axis of the larger optical system of optical axis distance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's many parallelisms of optical axis pick-up unit;
Fig. 2 is the structural representation of the mobile device in Fig. 1;
Fig. 3 is the schematic diagram of the present invention's many parallelisms of optical axis pick-up unit in using state;
Fig. 4 be the cross curve of parallel light tube with the tracking cross of first sensor aim at schematic diagram;
Fig. 5 is the position view of the cross curve of parallel light tube and the tracking cross of the second sensor.
Embodiment
The embodiment of the present invention's many parallelisms of optical axis detection method: many parallelisms of optical axis detection method, mainly comprise the following steps, 1) determine to detect reference data, parallel light tube is regulated to be in the field range of the first sensor in first sensor setting up and down to be detected, the second sensor, now parallel light tube is not in the field range of the second sensor, to optical system to be measured energising, and the tracking cross of first sensor is made to aim at the graticule cross curve of parallel light tube; 2) regulate the distance of parallel light tube and optical system, make parallel light tube be in the field range of the second sensor; 3) relative position of the tracking cross of the second sensor and the graticule cross curve of parallel light tube is observed, judge whether the tracking cross of the second sensor is aimed at the graticule cross curve of parallel light tube, if aimed at, then prove that the optical axis of optical system is parallel, if misalignment, namely the tracking cross of the second sensor is parallelism error with the distance differed of the graticule cross curve of parallel light tube.
The embodiment of the present invention's many parallelisms of optical axis pick-up unit, as Figure 1-5, this pick-up unit comprises detection platform, with detection platform 1 for measuring basis, detection platform 1 is provided with the mobile device that can move left and right in left-right direction, mobile device is provided with the parallel light tube 4 that axis extends in left-right direction, detection platform 1 is provided with the stationary fixture 5 for fixing optical system to be detected in the right of mobile device, the stroke of the left and right directions of mobile device can meet parallel light tube and be in the field range of the sensor of described optical system.Stationary fixture 5 comprises the Connection Block be connected with detection platform, and Connection Block is provided with vertical supporting bar, and optical system is fastened on vertical supporting bar.Stationary fixture also can adopt the form of bracing frame, and according to the structure of optical system, bracing frame comprises multiple support bar.Or clamping structure is set on support bar, utilizes clamping structure to be fixedly clamped optical system, such as, utilize torsion spring clip.Also can arrange bolt fastening structure on support bar, profit is bolted connection.
Mobile device comprises fixed guide 2 that the axis be fixed in detection platform extends in left-right direction, lead the movable guiding rail 3 extended along the vertical direction be assemblied on fixed guide, and parallel light tube 4 is arranged on described movable guiding rail 3.In other embodiments, mobile device also can comprise the movable supporting post of bottom with dovetail configuration, and parallel light tube is arranged on movable supporting post.The dovetail configuration of movable supporting post is utilized to coordinate with the dovetail groove guiding movement be located in detection platform.
Optical system sensor comprises first sensor 8, second sensor 7 setting up and down, first sensor 8 is transmission sensors, second sensor 7 is TV sensor, TV sensor is connected with monitor, and the relative position of the tracking cross of the second sensor 7 and the graticule cross curve 9 of parallel light tube 4 is shown by monitor 6 imaging.
When specifically using, optical system to be tested is fixed on energising after on the stationary fixture in detection platform, and the tracking cross 10 of optical system sensor (first sensor) is aimed at parallel light tube 4, and display frame as shown in Figure 4.Then parallel light tube is moved in parallel on fixed guide 2 in the field range of another one sensor (the second sensor), then the image at the second sensor tracking cross 11 and collimator tube reticle cross curve 9 center is exported by monitor, as shown in Figure 5, and reading error, because parallel light tube is simulation infinite distance target, therefore the target of two sensors observe can be approximately a target source, and therefore this error is parallelism of optical axis error.This invention is simply easy to operation, and measurement result is accurately directly perceived.
Claims (4)
1. more than parallelism of optical axis detection method, it is characterized in that: comprise the following steps, 1) determine to detect reference data, parallel light tube is regulated to be in the field range of the first sensor in the first sensor setting up and down of optical system to be detected, the second sensor, now parallel light tube is not in the field range of the second sensor, to optical system to be measured energising, and the tracking cross of first sensor is made to aim at the graticule cross curve of parallel light tube; 2) regulate the distance of parallel light tube and optical system, make parallel light tube be in the field range of the second sensor; 3) relative position of the tracking cross of the second sensor and the graticule cross curve of parallel light tube is observed.
2. more than parallelism of optical axis pick-up unit, it is characterized in that: comprise detection platform, detection platform is provided with the mobile device that can move left and right in left-right direction, mobile device is provided with the parallel light tube that axis extends in left-right direction, described detection platform is provided with the stationary fixture for fixing optical system to be detected in the right of mobile device, the stroke of the left and right directions of described mobile device can meet parallel light tube and be in the field range of the sensor of described optical system.
3. many parallelisms of optical axis pick-up unit according to claim 2, it is characterized in that: described first sensor is transmission sensors, described second sensor is TV sensor, described TV sensor is connected with monitor, and the relative position of the tracking cross of described second sensor and the graticule cross curve of parallel light tube is shown by described monitor imaging.
4. the many parallelisms of optical axis pick-up unit according to Claims 2 or 3, it is characterized in that: described mobile device comprises fixed guide that the axis be fixed in detection platform extends in left-right direction, lead the movable guiding rail extended along the vertical direction be assemblied on fixed guide, and described parallel light tube is arranged on described movable guiding rail.
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CN105823444A (en) * | 2016-05-09 | 2016-08-03 | 中国人民解放军63908部队 | Optical device for testing multi-optical-axis parallelism of airborne photoelectric reconnaissance equipment |
CN106247998A (en) * | 2016-08-16 | 2016-12-21 | 江苏北方湖光光电有限公司 | A kind of laser axis and the calibration method of reflecting mirror normal parallel |
CN106405856A (en) * | 2016-10-18 | 2017-02-15 | 中国航空工业集团公司洛阳电光设备研究所 | Method for detecting optical axis stability of optical lens during focusing process |
CN106681098A (en) * | 2017-02-10 | 2017-05-17 | 中国科学院西安光学精密机械研究所 | High-precision image surface docking device and method for visible light imaging system |
CN106706139A (en) * | 2017-02-10 | 2017-05-24 | 西安中科飞图光电科技有限公司 | High-precision infrared imaging system imaging plane docking device and method |
CN107677219A (en) * | 2017-09-11 | 2018-02-09 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of plane parallelism measurement device and measuring method |
CN107817092A (en) * | 2016-09-14 | 2018-03-20 | 海信集团有限公司 | Light source detection system |
CN107817094A (en) * | 2017-09-14 | 2018-03-20 | 西安科佳光电科技有限公司 | A kind of high accuracy double optical axises and more plain shaft parallelism adjusting process in the same direction |
CN107817095A (en) * | 2017-09-14 | 2018-03-20 | 西安科佳光电科技有限公司 | A kind of high accuracy double optical axises and more plain shaft parallelism adjusting process in the same direction |
CN107843413A (en) * | 2017-09-14 | 2018-03-27 | 西安科佳光电科技有限公司 | A kind of high accuracy reversely double optical axises and more plain shaft parallelism adjusting process |
CN108051182A (en) * | 2017-11-07 | 2018-05-18 | 扬州莱达光电技术有限公司 | A kind of laser subsystem integral test system |
CN108062966A (en) * | 2017-12-12 | 2018-05-22 | 中国船舶重工集团公司第七0七研究所 | A kind of method for the debugging of multiple optical device parallelisms of optical axis |
CN108332708A (en) * | 2018-03-29 | 2018-07-27 | 苏州凌创瑞地测控技术有限公司 | Laser leveler automatic checkout system and detection method |
CN109387164A (en) * | 2018-11-23 | 2019-02-26 | 中国航空工业集团公司洛阳电光设备研究所 | Measure the portable focal length heavy caliber device and measurement method of product optical axis deviation |
CN111161197A (en) * | 2019-12-06 | 2020-05-15 | 河北汉光重工有限责任公司 | Image registration fusion method of handheld observation instrument |
CN111637853A (en) * | 2020-06-16 | 2020-09-08 | 河北汉光重工有限责任公司 | Method for adjusting optical axis of large-span T-shaped rotary table |
CN111958120A (en) * | 2020-08-12 | 2020-11-20 | 华清创智光电科技(清远)有限公司 | Plane calibration device and laser marking machine thereof |
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Cited By (32)
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CN105823444A (en) * | 2016-05-09 | 2016-08-03 | 中国人民解放军63908部队 | Optical device for testing multi-optical-axis parallelism of airborne photoelectric reconnaissance equipment |
CN106247998B (en) * | 2016-08-16 | 2019-02-15 | 江苏北方湖光光电有限公司 | A kind of calibration method of laser axis and reflecting mirror normal parallel |
CN106247998A (en) * | 2016-08-16 | 2016-12-21 | 江苏北方湖光光电有限公司 | A kind of laser axis and the calibration method of reflecting mirror normal parallel |
CN107817092A (en) * | 2016-09-14 | 2018-03-20 | 海信集团有限公司 | Light source detection system |
CN107817092B (en) * | 2016-09-14 | 2020-02-07 | 海信集团有限公司 | Light source detection system |
CN106405856A (en) * | 2016-10-18 | 2017-02-15 | 中国航空工业集团公司洛阳电光设备研究所 | Method for detecting optical axis stability of optical lens during focusing process |
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CN112012083A (en) * | 2019-05-28 | 2020-12-01 | 卡特彼勒路面机械公司 | Method and system for positioning a screed plate |
CN112012083B (en) * | 2019-05-28 | 2023-08-15 | 卡特彼勒路面机械公司 | Method and system for positioning a screed plate |
CN111161197A (en) * | 2019-12-06 | 2020-05-15 | 河北汉光重工有限责任公司 | Image registration fusion method of handheld observation instrument |
CN111637853A (en) * | 2020-06-16 | 2020-09-08 | 河北汉光重工有限责任公司 | Method for adjusting optical axis of large-span T-shaped rotary table |
CN111958120A (en) * | 2020-08-12 | 2020-11-20 | 华清创智光电科技(清远)有限公司 | Plane calibration device and laser marking machine thereof |
CN111958120B (en) * | 2020-08-12 | 2022-03-04 | 华清创智光电科技(清远)有限公司 | Plane calibration device and laser marking machine thereof |
CN113405777A (en) * | 2021-06-11 | 2021-09-17 | 北京亿舱科技有限公司 | Multi-optical-axis parallel adjusting device and multi-optical-axis parallel adjusting method |
CN113666081B (en) * | 2021-08-04 | 2022-10-14 | 常州贝高智能装备股份有限公司 | Synchronous feeding positioning correction adjusting method |
CN113666081A (en) * | 2021-08-04 | 2021-11-19 | 常州贝高智能装备股份有限公司 | Synchronous feeding positioning correction adjusting method |
WO2023236615A1 (en) * | 2022-06-06 | 2023-12-14 | 美国西北仪器公司 | Device for measuring horizontal accuracy of measuring instrument |
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