CN101762209A - Zero detector of micro-opto product - Google Patents
Zero detector of micro-opto product Download PDFInfo
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- CN101762209A CN101762209A CN200810231478A CN200810231478A CN101762209A CN 101762209 A CN101762209 A CN 101762209A CN 200810231478 A CN200810231478 A CN 200810231478A CN 200810231478 A CN200810231478 A CN 200810231478A CN 101762209 A CN101762209 A CN 101762209A
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Abstract
The invention discloses a zero detector of micro-opto product, which includes a camera, a USB cable, a computer, a camera bracket, a zoom lens, a micro-opto product seat, a parallel light tube, a target plate, an optical source and an optical source power; the computer is connected with a camera signal through the USB cable; the camera is arranged on the camera bracket; the zoom lens is arranged at the front end of the camera; the parallel light tube and the optical source are arranged in the direction of the central line of the zoom lens in sequence; the target plate is arranged on the parallel light tube; the micro-opto product seat is arranged between the zoom lens and the parallel optical tube; and the optical source is electrically connected with the optical source power. The zero detector of micro-opto product solves the defects of artificial limitation and subjective judgment errors caused by operation of single-person, as well as low precision of repeated pointing and inconvenient comparison, shows the actual situations in front of people, can also playback after an event, and trace to reduce the artificial errors to the minimum. Meanwhile, the zero detector of micro-opto product reduces the work intensity of a detector user.
Description
Technical field
The invention belongs to product zero-bit checkout equipment technical field, particularly a kind of zero detector of micro-opto product.
Background technology
It is that band is taken aim at important techniques index of tool firearms series products that zero-bit is walked momentum, the zero-bit instrument is the common instrument that the testing product zero-bit is walked momentum, its measuring principle is, the target picture of a given infinity, tested low-light product is placed between target picture and the zero-bit detection system, judge the depart from situation of tested low-light product division line position to the target picture by observation system, this bias provides with angle metric form usually, and unit is a mil.Fixed reticle places on its focal plane of lens, fixedly double fastener line target by the given infinity of object lens resembles, tested low-light product is installed on the instrument test platform, rotate direction, height handwheel on the zero-bit instrument, observe by test product, after " 0 " is returned in two auxiliary graduation adjustment in the zero-bit instrument, the central authorities of the two grooves that placed zero-bit instrument central cross line by the cross hairs of trial product.Mutual alignment between product and the zero-bit instrument is maintained static.Tested low-light product is behind correlation test, be installed once more on the instrument platform, observe the drift condition of interior division line position of low-light product and zero-bit instrument initial point, when if skew is arranged, center with zero-bit instrument central cross line is an initial point, calculate bias by Descartes's rectangular coordinate system, when the cross hairs of product departs from zero-bit instrument central cross line, can read the zero-bit amount of walking about by height and the traversing handwheel of regulating the zero-bit instrument.
But, there are shortcomings such as the error of backlash of machinery and systematic error in former zero-bit instrument, and this method of testing is to adopt the direct reading mode of human eye, exist measuring accuracy low, be subjected to human factor to influence shortcomings such as big, accurate inadequately, do not satisfy the precise and stable specification requirement of this series products.
Summary of the invention
The invention provides and a kind ofly can accurately detect the zero detector of micro-opto product that free low-light product zero-bit is walked momentum.
A kind of zero detector of micro-opto product, comprise camera, the USB cable line, computer, the camera support, zoom lens, low-light product seat, parallel light tube, target plate, light source and light source power, described computer is connected with camera signals by the USB cable line, described camera is arranged on the camera support, described zoom lens is arranged on the front end of camera, centerline direction at described zoom lens sets gradually parallel light tube and light source, described target plate is arranged on the parallel light tube, low-light product seat is set between described zoom lens and the parallel light tube, and described light source is electrically connected with light source power.
Described camera shooting mode CCD shooting mode, the focal length of described zoom lens 5 is the manual zoom lens of 12.5mm～75mm.
The focal length of described parallel light tube is by 3 to 5 times of test examination instrument.
Described light source is an area source.
Since the present invention adopt pick-up lens with the target plate of tested low-light product and instrument graduation system imaging in calculator display organization, by comparing each graduation relative position, thereby reach the purpose of weighing tested each parts relative displacement of low-light product, new demarcation mode can be eliminated the error that machine driving produces, and adopts the infinity fixed target as system.Tested low-light product is fixed, by pick-up lens the graticle of tested low-light product is imaged in calculator display organization, be presented on the screen by programme controlled virtual coordinates groove and the stack of graticle picture, by calculating the relative position under the tested low-light product graticle different conditions, judge that the zero-bit of tested low-light product walks momentum, can overcome the real deficiency that the graduation system is arranged preferably.By fixed position CCD shooting, Computer Storage, reach scene at that time retained so that with the later stage relatively.Solve single behaviour and do artificial limitation and subjective judgement error, it is low solve to repeat pointing accuracy, is not easy to the defective of comparison, and actual conditions are presented in face of everybody, can carry out playback again afterwards, and follow-up investigations are reduced to human error minimum.Reduced tester's labour intensity simultaneously.
Description of drawings:
Below in conjunction with accompanying drawing zero detector of micro-opto product of the present invention is described further:
Fig. 1 is the structural representation of zero detector of micro-opto product of the present invention.
The specific embodiment
As shown in Figure 1, a kind of zero detector of micro-opto product, comprise camera 1, USB cable line 2, computer 3, camera support 4, zoom lens 5, low-light product seat 6, parallel light tube 7, target plate 8, light source 9 and light source power 10, described computer 3 is connected with camera 1 signal by USB cable line 2, described camera 1 is arranged on the camera support 4, described zoom lens 5 is arranged on the front end of camera 1, centerline direction at described zoom lens 5 sets gradually parallel light tube 7 and light source 9, described target plate 8 is arranged on the parallel light tube 7, low-light product seat 6 is set between described zoom lens 5 and the parallel light tube 7, and described light source 9 is electrically connected with light source power 10.Described tested instrument 11 is placed on the low-light product seat 6.
Described camera shooting mode CCD shooting mode, the focal length of described zoom lens 5 is the manual zoom lens of 12.5mm～75mm.
The focal length of described parallel light tube 7 is by 3 to 5 times of test examination instrument 11.
Described light source is an area source.
The present invention adopts the CCD shooting then can solve the measure error of being brought by parallax preferably, CCD is a kind of charge-coupled image sensor of metals-oxides-semiconductor structure, its basic structure is a kind of intensive mos capacitance device, can store the optical information electric charge that inspires as quick unit at CCD by incident light, and can be under suitably the clock pulses of phase sequence drives, the form directional transmissions of the electric charge that stores with electric charge, realize self-scanning, because it is little that CCD has a volume, in light weight, advantages such as dependable performance are therefore at image sensing, field such as information processing and digital storage is widely used.The lll night vision technology utilizes image intensifier that weak one is amplified.Image intensifier is being worked at night usually, and under the night poor light condition (in the 10-6Lx scope), the optical signal of input is very faint, and this just requires image intensifier that enough luminance gains are arranged, can observed degree so that faint light radiation image is strengthened to human eye.But Effect on Performance is not observed to system simultaneously to the effect of object brightness enhancing with when gaining by the low-light level imaging system, the effect at visual angle and the influence of system's magnifying power are amplified by system, the influence that system signal noise ratio and contrast are transmitted, the capital exerts an influence to the observation of human eye, thereby the judgement that the product zero-bit is walked momentum is exerted an influence.By fixed position CCD shooting, Computer Storage, reach scene at that time retained so that with the later stage relatively.Solve single behaviour and do artificial limitation and subjective judgement error, it is low solve to repeat pointing accuracy, is not easy to the defective of comparison, and actual conditions are presented in face of everybody, can carry out playback again afterwards, and follow-up investigations are reduced to human error minimum.Reduced tester's labour intensity simultaneously.
At because the low-light product is subjected to not fogging clear, the indistinguishable shortcoming of human eye of the formation of image intensifier resolution limit, can adopt image processing techniques.
When adopting CCD as after receiving the judgement system, the target picture is converted to the two dimensional surface dot chart with corresponding grey scale by ccd sensor by image pick-up card, sends into computer and handles.The centre coordinate of a spot pattern generally is the center of circle of this hot spot.But the data in the microcomputer memory are not because discretization has been regularly arranged.Its centre coordinate can only be tried to achieve by certain calculation method.If certain hot spot is made up of n pixel, (xi, yi), then the center-of-mass coordinate of this hot spot is for corresponding space coordinates x, y that determines of each pixel and gray value p
X and y are the center-of-mass coordinates of calculator memory image, can be converted to the space coordinates of real image hot spot by certain equivalent conversion.By the subsequent conditioning circuit conversion process is directly to send into computer after the data signal, relies on relevant special measurement software, realizes the automation collection to the target picture.The image that collects is carried out overlap-add procedure, improve contrast, impact point is carried out the integral operation of position and gray scale, prior art can reach the position of the precision export target point of segmentation pixel diameter several times, thereby under the situation of avoiding resolution ratio, improve pointing accuracy, reach the purpose that reduces collimating fault
Since the present invention adopt pick-up lens with the target plate of tested low-light product and instrument graduation system imaging in calculator display organization, by comparing each graduation relative position, thereby reach the purpose of weighing tested each parts relative displacement of low-light product, new demarcation mode can be eliminated the error that machine driving produces, and adopts the infinity fixed target as system.Tested low-light product is fixed, by pick-up lens the graticle of tested low-light product is imaged in calculator display organization, be presented on the screen by programme controlled virtual coordinates groove and the stack of graticle picture, by calculating the relative position under the tested low-light product graticle different conditions, judge that the zero-bit of tested low-light product walks momentum, can overcome the real deficiency that the graduation system is arranged preferably.By fixed position CCD shooting, Computer Storage, reach scene at that time retained so that with the later stage relatively.Solve single behaviour and do artificial limitation and subjective judgement error, it is low solve to repeat pointing accuracy, is not easy to the defective of comparison, and actual conditions are presented in face of everybody, can carry out playback again afterwards, and follow-up investigations are reduced to human error minimum.Reduced tester's labour intensity simultaneously.
Claims (4)
1. zero detector of micro-opto product, it is characterized in that: it comprises camera, the USB cable line, computer, the camera support, zoom lens, low-light product seat, parallel light tube, target plate, light source and light source power, described computer is connected with camera signals by the USB cable line, described camera is arranged on the camera support, described zoom lens is arranged on the front end of camera, centerline direction at described zoom lens sets gradually parallel light tube and light source, described target plate is arranged on the parallel light tube, low-light product seat is set between described zoom lens and the parallel light tube, and described light source is electrically connected with light source power.
2. zero detector of micro-opto product as claimed in claim 1 is characterized in that: described camera shooting mode CCD shooting mode, the focal length of described zoom lens 5 is the manual zoom lens of 12.5mm～75mm.
3. zero detector of micro-opto product as claimed in claim 1 or 2 is characterized in that: the focal length of described parallel light tube is by 3 to 5 times of test examination instrument.
4. zero detector of micro-opto product as claimed in claim 3 is characterized in that: described light source is an area source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810231478A CN101762209A (en) | 2008-12-23 | 2008-12-23 | Zero detector of micro-opto product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810231478A CN101762209A (en) | 2008-12-23 | 2008-12-23 | Zero detector of micro-opto product |
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| CN101762209A true CN101762209A (en) | 2010-06-30 |
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| CN200810231478A Pending CN101762209A (en) | 2008-12-23 | 2008-12-23 | Zero detector of micro-opto product |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975530A (en) * | 2010-10-19 | 2011-02-16 | 李丹韵 | Electronic sighting device and method for regulating and determining graduation thereof |
| CN103398837A (en) * | 2013-07-17 | 2013-11-20 | 中国人民解放军济南军区72465部队 | Reflected light path-based low-light level night vision device resolution detection method and device |
| CN109186347A (en) * | 2018-09-03 | 2019-01-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of detection device and method of riflescope zero position walking momentum |
| CN113357956A (en) * | 2021-05-31 | 2021-09-07 | 无锡市星迪仪器有限公司 | Artillery zero position detector with quick self-calibration function and self-calibration method |
| CN114152406A (en) * | 2021-12-22 | 2022-03-08 | 江苏北方湖光光电有限公司 | An optical system object image tilt detection system and method |
| CN114184355A (en) * | 2021-11-22 | 2022-03-15 | 河南中光学集团有限公司 | Night and day glimmer product performance adjusting and detecting device |
-
2008
- 2008-12-23 CN CN200810231478A patent/CN101762209A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975530A (en) * | 2010-10-19 | 2011-02-16 | 李丹韵 | Electronic sighting device and method for regulating and determining graduation thereof |
| CN101975530B (en) * | 2010-10-19 | 2013-06-12 | 李丹韵 | Electronic sighting device and method for regulating and determining graduation thereof |
| CN103398837A (en) * | 2013-07-17 | 2013-11-20 | 中国人民解放军济南军区72465部队 | Reflected light path-based low-light level night vision device resolution detection method and device |
| CN109186347A (en) * | 2018-09-03 | 2019-01-11 | 中国科学院长春光学精密机械与物理研究所 | A kind of detection device and method of riflescope zero position walking momentum |
| CN113357956A (en) * | 2021-05-31 | 2021-09-07 | 无锡市星迪仪器有限公司 | Artillery zero position detector with quick self-calibration function and self-calibration method |
| CN113357956B (en) * | 2021-05-31 | 2022-05-20 | 无锡市星迪仪器有限公司 | Artillery zero position detector with fast self-calibration function and self-calibration method |
| CN114184355A (en) * | 2021-11-22 | 2022-03-15 | 河南中光学集团有限公司 | Night and day glimmer product performance adjusting and detecting device |
| CN114184355B (en) * | 2021-11-22 | 2023-12-22 | 河南中光学集团有限公司 | Device for adjusting and detecting performance of low-light-level product for day and night |
| CN114152406A (en) * | 2021-12-22 | 2022-03-08 | 江苏北方湖光光电有限公司 | An optical system object image tilt detection system and method |
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Application publication date: 20100630 |