CN203422069U - Multi-optical axis consistency detection device of platform photoelectric instrument - Google Patents
Multi-optical axis consistency detection device of platform photoelectric instrument Download PDFInfo
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Abstract
The utility model relates to a multi-optical axis consistency detection device of a platform photoelectric instrument. The device comprises a detection host, a support mechanism and a data control processing system. A catadioptric optical collimation system, a multiband target plate and a target light source are adopted for determining the axial direction of each optical system, a CCD aiming assembly is utilized for acquiring the image of a same fixed target in a distant scene, and then, an image processing module performs pretreatment, matching and optical axis parallelism calculation on the image by using a template matching method to obtain the position deviations of the same fixed target in different images and to further obtain a detection result of optical axis consistency among the multiple optical systems. The multi-optical axis consistency detection device of the platform photoelectric instrument has the advantages of high detection precision, small size and light weight, convenient operation and high automation degree and can well satisfy the need for on-line rapid multi-optical axis consistency detection of the platform photoelectric instrument in a field environment.
Description
Technical field
The utility model relates to a kind of optical axial measuring equipment, specifically a kind of multi-light axis consistency pick-up unit of platform photoelectric instrument.
Background technology
Current, the integrated platform photoelectric instrument of many optical sensors that integrates visible ray, low-light, infrared thermal imaging and laser ranging etc. has been widely applied on various armament systems, its shared the tasks such as observation aiming, temporald eixis, target following, nighttime imaging, significantly improved fire accuracy and the fighting efficiency of weaponry.For platform photoelectric instrument, carrying out multi-light axis consistency detects significant to guaranteeing armament systems fire accuracy.
Conventional platform photoelectric instrument light axis consistency detection method mainly comprises collimator method and cooperative target target plate method at present.While adopting collimator method, aperture of objective lens used is limited, cannot carry out axis detection to relative position optical sensor far away, and checkout equipment volume is large, weight is large, high to environmental requirement, complicated operation, automaticity is low, and setup time is long, testing result is affected greatly by subjective factor, is only suitable for using under laboratory condition; Cooperative target target plate method requires high to site facility, be confined to salvage shop and use, and need carry out for a long time optical system adjusting and demarcation, can not meet many optical sensors light axis consistency fast detecting demand.
Summary of the invention
The purpose of this utility model is just to provide a kind of multi-light axis consistency pick-up unit of platform photoelectric instrument, to solve, existing pick-up unit volume is large, weight is large, the problem high to environmental requirement, meets the field on-line quick detection demand to many optical sensors light axis consistency.
The utility model is achieved in that a kind of multi-light axis consistency pick-up unit of platform photoelectric instrument, includes:
Detect main frame, join with supporting mechanism and Data Control disposal system, for detection of laser emitting module, infrared imaging system and the visible ray of tested platform photoelectric instrument, see the optical axis of the system of taking aim at, and gather the light spot image of the laser launched by described laser emitting module, also when correspondence detects above-mentioned three system optical axis, gather respectively the image of same fixed target in scene at a distance, and by collected representation of laser facula and three width fixed target image transmittings to Data Control disposal system;
Supporting mechanism, joins with described detection main frame, support described detection main frame, and the decorating position that passes through to adjust described detection main frame is so that the tested system optical axis of described detection main engine axis and tested platform photoelectric instrument is coaxial for setting up; And
Data Control disposal system, join with described detection main frame, for receiving each image by described detection main frame transmission, adopting afterwards template matching method to carry out image pre-service, images match and plain shaft parallelism to the image receiving calculates, draw the position deviation of same fixed target in different images, thereby the light axis consistency of realizing between the multibeam optical system of tested platform photoelectric instrument detects.
Described detection main frame comprises:
Refraction-reflection type optical alignment system, joins with multiband target plate and target light source and CCD aiming module, for the tested optical system issued light of tested platform photoelectric instrument being converged in to the target plate of multiband target plate and target light source;
Multiband target plate and target light source, join with described refraction-reflection type optical alignment system and power supply respectively, for switching the target plate of different spectrum according to the different optical system of tested platform photoelectric instrument to the place, focal plane of refraction-reflection type optical alignment system, and gather the light spot image of the laser of being launched by the laser emitting module of tested platform photoelectric instrument;
CCD aims at module, join with described refraction-reflection type optical alignment system, when coaxial for distinguishing at the optical axis that detects laser emitting module, infrared imaging system and the visible ray of main frame with tested platform photoelectric instrument and see the system of taking aim at, the image that gathers respectively same fixed target in the scene of distant place, obtains three width fixed target images;
Wireless video transmitter module, aims at for representation of laser facula that multiband target plate and target light source are collected and CCD the three width fixed target image wireless that module collects and transfers to Data Control disposal system; And
Power supply, joins with described multiband target plate and target light source and described wireless video transmitter module respectively, for required operating voltage being provided to described multiband target plate and target light source and described wireless video transmitter module.
Described refraction-reflection type optical alignment system comprises primary mirror, secondary mirror, reflective mirror and attenuator group; Described attenuator group is for weaken the light intensity of its laser of launching when detecting the laser emitting module of described tested platform photoelectric instrument, by the tested optical system issued light of described tested platform photoelectric instrument sequentially by converging on the target plate of multiband target plate and target light source after primary mirror, secondary mirror and reflective mirror.
Described multiband target plate and target light source comprise changeable integrated target, CCD image-forming assembly, stepper motor and lighting source; On described changeable integrated target, be provided with visible ray target plate, infrared target plate and laser target plate, three target plates are between any two 120 ° of angles and are distributed on changeable integrated target, and the switching between each target plate is driven by described stepper motor; Described lighting source is LED light source, is used to described visible ray target plate and described infrared target plate that illumination is provided; Described CCD image-forming assembly, for when being positioned at the place, focal plane of described refraction-reflection type optical alignment system when described laser target plate, gathers the light spot image of the laser of being launched by the laser emitting module of described tested platform photoelectric instrument.
Described CCD aims at module and comprises that dioptric system and CCD aim at assembly; Described dioptric system is for turning back 90 ° by the main optical path light of tested platform photoelectric instrument, so that the optical axis of the light after detection main machine structure is compacter and assurance is turned back and described refraction-reflection type optical alignment system is coaxial, described CCD aims at assembly for gathering the image of the fixed target of scene at a distance.
Described supporting mechanism comprises:
Magnetic gauge stand assembly, is positioned to take over assembly below and take over assembly and joins, for fixing or remove whole supporting mechanism by logical magnetic demagnetizing switch;
Take over assembly, being positioned at described Magnetic gauge stand assembly top joins with described Magnetic gauge stand assembly, be used for setting up and support detect main frame, and according to the actual installation position of tested platform photoelectric instrument by flexible to raise or to reduce the antenna height of described detection main frame up and down;
Aligning elevation gear, is arranged on described detection main frame, for adjusting the luffing angle of described detection main frame;
Orientation adjustment mechanism, is arranged on described detection main frame, for adjusting the direction indication of described detection main frame; And
Height adjusting, is arranged on described detection main frame, for the antenna height of described detection main frame is carried out to inching.
Described Data Control disposal system comprises wireless video receiver module and image processing module; Described wireless video receiver module is each image by described detection main frame transmission for wireless receiving, and each received image wireless is transferred to image processing module; Described image processing module is for adopting template matching method to carry out image pre-service, images match to received image, and by calculating the position difference of described same fixed target in different images, obtain the light axis consistency testing result of the multibeam optical system of tested platform photoelectric instrument.
The present invention adopts the refraction-reflection type optical alignment system that detects in main frame and multiband target plate and target light source to determine the axis direction of each optical system (or optical sensor) of tested platform photoelectric instrument, for detecting different optical systems, adopt respectively the CCD detecting in main frame to aim at the image of a certain fixedly noncooperative target in the scene of assembly collection distant place; Image processing module in Data Control disposal system is integrated, and image pre-service, images match, light axis consistency detect scheduling algorithm, it can adopt template matching method that CCD is aimed to the noncooperative target image that module collects to carry out position difference computing, obtain the position difference of noncooperative target in different images, and then calculate the light axis consistency testing result between each optical sensor of platform photoelectric instrument; At analytical calculation laser emitting module and visible ray, see while taking aim at the light axis consistency between system or infrared imaging system, by analyzing representation of laser facula, can eliminate the systematic error causing because of the relative distance between laser spot center and laser target plate cross division line center.This pick-up unit is not subject to the wheelbase restriction between optical sensor, do not need cooperative target, without calibration adjustment, accuracy of detection is high, volume is little, weight is little, easy and simple to handle, automaticity is high, can be good at meeting light axis consistency on-line quick detection demand between field environment lower platform photoelectric instrument multibeam optical system, there is wide popularizing application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of detection main frame of the present utility model.
Fig. 2 is the structural representation of changeable integrated target of the present utility model.
Fig. 3 is one-piece construction schematic diagram of the present utility model.
Fig. 4 is that the utility model is for adjusting the partial structurtes schematic diagram of the supporting mechanism that detects main frame decorating position.
Embodiment
The multi-light axis consistency pick-up unit of platform photoelectric instrument provided by the utility model comprises detection main frame, supporting mechanism and Data Control disposal system.
As shown in Figure 1, detect main frame and comprise that refraction-reflection type optical alignment system 100, multiband target plate and target light source 200, CCD aim at module 300, wireless video transmitter module 12 and power supply 13.
Refraction-reflection type optical alignment system 100 comprises primary mirror 1, secondary mirror 2, reflective mirror 3 and attenuator group 4.Primary mirror 1 is off-axis parabolic mirror; Secondary mirror 2 is from axle high order hyperboloidal mirror; Reflective mirror 3 is turned back main optical path light, makes refraction-reflection type optical alignment system 100 agent structures compacter; Attenuator group 4 is the attenuator combination of four differential declines multiplying powers, can carry out corresponding selection according to the Laser emission power of tested platform photoelectric instrument laser emitting module, its effect is to weaken the light intensity of laser to cause damage to avoid light laser to aim at assembly 10 to the CCD in the CCD image-forming assembly 6 in multiband target plate and target light source 200 and CCD aiming module 300.
Multiband target plate and target light source 200 comprise changeable integrated target 5, CCD image-forming assembly 6, stepper motor 7 and lighting source 8.As shown in Figure 2, visible ray target plate 51, infrared target plate 53 and laser target plate 52 are between any two 120 ° of angles and are distributed on changeable integrated target 5, and the switching between three target plates is driven and controlled by stepper motor 7.Lighting source 8 is LED light source, and this light source provides illumination for visible ray target plate 51 and infrared target plate 53.The transparent target plate of laser target plate 52 for adopting up-conversion to make, the laser of the laser emitting module transmitting of tested platform photoelectric instrument on laser target plate 52, gathers representation of laser facula by the CCD image-forming assembly 6 of rear end through refraction-reflection type optical alignment system 100 post-concentrations.
CCD aims at module 300 and comprises that dioptric system 9 and CCD aim at assembly 10.Dioptric system 9 adopts 4 group of 5 chip architecture form, and a built-in right-angle prism is turned back 90 ° by main optical path light, make to detect main machine structure compacter and guarantee its light path and refraction-reflection type optical alignment system 100 coaxial; CCD aims at assembly 10 for gathering the image of a certain fixedly noncooperative target of scene at a distance.
Wireless video transmitter module 12 is for by the representation of laser facula being gathered by CCD image-forming assembly 6 with aim at by CCD the far field fixed target image wireless that assembly 10 gathers and transfer to Data Control disposal system.
Power supply 13 is 12V stabilized voltage supply, for providing reliable and stable operating voltage to lighting source 8, stepper motor 7, wireless video transmitter module 12 and CCD image-forming assembly 6.
As shown in Figure 3 and Figure 4, supporting mechanism of the present invention comprises Magnetic gauge stand assembly 14, takes over assembly 15, aligning elevation gear 16, orientation adjustment mechanism 17 and height adjusting 18.
Magnetic gauge stand assembly 14 is positioned at takes over assembly 15 belows, is provided with logical magnetic demagnetizing switch on it, rotates described logical magnetic demagnetizing switch and can realize fixing or remove whole supporting mechanism.Take over assembly 15 and be positioned at Magnetic gauge stand assembly 14 tops, it detects main frame 20 for setting up to support, and according to the actual installation position of the tested platform photoelectric instrument length of its adapter of can stretch up and down, thereby raises or reduce the antenna height of detection main frame 20.Aligning elevation gear 16, orientation adjustment mechanism 17 and height adjusting 18 are all arranged on the bottom of detecting main frame 20, and aligning elevation gear 16 is for adjusting the luffing angle that detects main frame 20; Orientation adjustment mechanism 17 is for adjusting the direction indication that detects main frame 20; Height adjusting 18 is for carrying out inching to detecting the antenna height of main frame 20.When detecting each optical system of tested platform photoelectric instrument, can set up to support by described supporting mechanism and detect main frame 20, make to detect main frame 20 coaxial with tested optical system.
Described Data Control disposal system comprises wireless video receiver module and image processing module.Each image that described wireless video receiver module is transmitted by the wireless video transmitter module 12 that detects main frame 20 for wireless receiving, and each received image wireless is transferred to image processing module; Integrated image pre-service in described image processing module, images match, light axis consistency detect scheduling algorithm, it can carry out position difference computing by detecting the noncooperative target image that in main frame, CCD aiming module 300 collects, obtain the position difference of noncooperative target in different images, and then calculating the light axis consistency testing result between tested each optical sensor of platform photoelectric instrument, it is the key components that realize light axis consistency objective detection.
Claims (6)
1. a multi-light axis consistency pick-up unit for platform photoelectric instrument, is characterized in that, includes:
Detect main frame, join with supporting mechanism and Data Control disposal system, for detection of laser emitting module, infrared imaging system and the visible ray of tested platform photoelectric instrument, see the optical axis of the system of taking aim at, and gather the light spot image of the laser launched by described laser emitting module, also when correspondence detects above-mentioned three system optical axis, gather respectively the image of same fixed target in scene at a distance, and by collected representation of laser facula and three width fixed target image transmittings to Data Control disposal system;
Supporting mechanism, joins with described detection main frame, support described detection main frame, and the decorating position that passes through to adjust described detection main frame is so that the tested system optical axis of described detection main engine axis and tested platform photoelectric instrument is coaxial for setting up; And
Data Control disposal system, joins with described detection main frame, according to received image information, calculates the position deviation of same fixed target in different images, thereby the light axis consistency of realizing between the multibeam optical system of tested platform photoelectric instrument detects.
2. the multi-light axis consistency pick-up unit of platform photoelectric instrument according to claim 1, is characterized in that, described detection main frame comprises:
Refraction-reflection type optical alignment system, joins with multiband target plate and target light source and CCD aiming module, for the tested optical system issued light of tested platform photoelectric instrument being converged in to the target plate of multiband target plate and target light source;
Multiband target plate and target light source, join with described refraction-reflection type optical alignment system and power supply respectively, for switching the target plate of different spectrum according to the different optical system of tested platform photoelectric instrument to the place, focal plane of refraction-reflection type optical alignment system, and gather the light spot image of the laser of being launched by the laser emitting module of tested platform photoelectric instrument;
CCD aims at module, join with described refraction-reflection type optical alignment system, when coaxial for distinguishing at the optical axis that detects laser emitting module, infrared imaging system and the visible ray of main frame with tested platform photoelectric instrument and see the system of taking aim at, the image that gathers respectively same fixed target in the scene of distant place, obtains three width fixed target images;
Wireless video transmitter module, aims at for representation of laser facula that multiband target plate and target light source are collected and CCD the three width fixed target image wireless that module collects and transfers to Data Control disposal system; And
Power supply, joins with described multiband target plate and target light source and described wireless video transmitter module respectively, for required operating voltage being provided to described multiband target plate and target light source and described wireless video transmitter module.
3. the multi-light axis consistency pick-up unit of platform photoelectric instrument according to claim 2, is characterized in that, described refraction-reflection type optical alignment system comprises primary mirror, secondary mirror, reflective mirror and attenuator group;
Described attenuator group is for weaken the light intensity of its laser of launching when detecting the laser emitting module of described tested platform photoelectric instrument, by the tested optical system issued light of described tested platform photoelectric instrument sequentially by converging on the target plate of multiband target plate and target light source after primary mirror, secondary mirror and reflective mirror.
4. the multi-light axis consistency pick-up unit of platform photoelectric instrument according to claim 2, is characterized in that, described multiband target plate and target light source comprise changeable integrated target, CCD image-forming assembly, stepper motor and lighting source;
On described changeable integrated target, be provided with visible ray target plate, infrared target plate and laser target plate, three target plates are between any two 120 ° of angles and are distributed on changeable integrated target, and the switching between each target plate is driven by described stepper motor;
Described lighting source is LED light source, is used to described visible ray target plate and described infrared target plate that illumination is provided;
Described CCD image-forming assembly, for when being positioned at the place, focal plane of described refraction-reflection type optical alignment system when described laser target plate, gathers the light spot image of the laser of being launched by the laser emitting module of described tested platform photoelectric instrument.
5. the multi-light axis consistency pick-up unit of platform photoelectric instrument according to claim 2, is characterized in that, described CCD aims at module and comprises that dioptric system and CCD aim at assembly;
Described dioptric system is for turning back 90 ° by the main optical path light of tested platform photoelectric instrument, so that the optical axis of the light after detection main machine structure is compacter and assurance is turned back and described refraction-reflection type optical alignment system is coaxial, described CCD aims at assembly for gathering the image of the fixed target of scene at a distance.
6. the multi-light axis consistency pick-up unit of platform photoelectric instrument according to claim 1, is characterized in that, described supporting mechanism comprises:
Magnetic gauge stand assembly, is positioned to take over assembly below and take over assembly and joins, for fixing or remove whole supporting mechanism by logical magnetic demagnetizing switch;
Take over assembly, being positioned at described Magnetic gauge stand assembly top joins with described Magnetic gauge stand assembly, be used for setting up and support detect main frame, and according to the actual installation position of tested platform photoelectric instrument by flexible to raise or to reduce the antenna height of described detection main frame up and down;
Aligning elevation gear, is arranged on described detection main frame, for adjusting the luffing angle of described detection main frame;
Orientation adjustment mechanism, is arranged on described detection main frame, for adjusting the direction indication of described detection main frame; And
Height adjusting, is arranged on described detection main frame, for the antenna height of described detection main frame is carried out to inching.
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| CN104581146A (en) * | 2015-01-20 | 2015-04-29 | 中测测试科技有限公司 | CCD imaging system calibration and adjustment device |
| CN106767403A (en) * | 2016-12-09 | 2017-05-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of optical axis position error detection method of many optical axis optical systems |
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| CN109029921A (en) * | 2018-08-03 | 2018-12-18 | 中国电子科技集团公司第十研究所 | The target simulator of axis is adjusted for the focusing of multi-sensor photoelectric equipment |
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| CN106767403B (en) * | 2016-12-09 | 2019-04-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of optical axis position error detection method of more optical axis optical systems |
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| CN109597214A (en) * | 2018-12-29 | 2019-04-09 | 深圳航星光网空间技术有限公司 | The system for drawing optical antenna outgoing beam optical axis |
| CN114252239A (en) * | 2020-09-25 | 2022-03-29 | 北京振兴计量测试研究所 | Optical axis calibration device for multispectral composite photoelectric detection equipment |
| CN114252239B (en) * | 2020-09-25 | 2024-06-11 | 北京振兴计量测试研究所 | Optical axis calibration device of multispectral composite photoelectric detection equipment |
| CN116659816A (en) * | 2023-05-22 | 2023-08-29 | 长春理工大学 | Shaft consistency detection system and method |
| CN116659816B (en) * | 2023-05-22 | 2024-03-15 | 长春理工大学 | Shaft consistency detection system and method |
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