CN100498425C - Gun precision test optical datum line production device - Google Patents
Gun precision test optical datum line production device Download PDFInfo
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- CN100498425C CN100498425C CNB2007100563779A CN200710056377A CN100498425C CN 100498425 C CN100498425 C CN 100498425C CN B2007100563779 A CNB2007100563779 A CN B2007100563779A CN 200710056377 A CN200710056377 A CN 200710056377A CN 100498425 C CN100498425 C CN 100498425C
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Abstract
The invention relates to artillery precision test optical datum line generating device which is used for testing the precision of the arranging angle of the artillery, the stable precision of a stabilizer, the synchronous precision and the precision of the following and aiming line of the artillery, etc, and the invention belongs to the field of weapon firepower control technology. In the prior art, a CCD camera, an image collecting car and a computer are adopted to realize the testing of certain parameters, but the prior art is short of concrete scheme of generation of optical datum line. The device of the invention is composed of a target objective telescope, a graduating plate, a graduating plate reticle objective microscope, a light-dividing right angle prism, a reflecting right angle prism, a filter glass, a focusing lens, a CCD, a even-times reflecting prism, a visual objective lens and a visual eyepiece. An optical datum line which is parallel with the axis of the artillery tube body is built. Simultaneously, the reticle image of the target is taken. The testing parameters are obtained by a follow-up image processing device. Thereby the invention can be used for the target field test of self-propelled guns and tanks.
Description
Technical field
The present invention relates to the opticator in the gun precision test instrument, this instrument is installed in the position of the close axis of trunnions on the gun barrel, be used to test cannon and set angular accuracy, stabilizator lasting accuracy, synchronization accuracy, cannon and follow boresight precision etc., belong to weapons fire control technology field.
Background technology
The dynamic performance for weapon is one of important tactical and technical norms of target range evaluation, qualification test assessment system.Self-propelled gun, tank, infantry fighting vehicles and amphibious armored assault vehicle are all equipped advanced fire control system, and its dynamic performance index directly influences the first-round hit probability, and being needs the main pilot project checking and examine before the firing test.Can set angular accuracy, stabilizator lasting accuracy, synchronization accuracy, cannon and follow parameters such as boresight precision by measuring cannon, provide the first-round hit probability in the certain distance scope, thus the dynamic property of evaluation weaponry.And the measurement of above-mentioned parameter need be finished by testing tool.There is one to be that 200520103328.2 patent documentation is open in the known technology by the patent No., name is called the technical scheme of " artillery system lasting accuracy comprehensive tester ", this instrument is made up of ccd video camera, image pick-up card and computing machine, can realize comprising boresight and live wire lasting accuracy, low-speed stability, transfer big gun precision, transient process (overshoot), the isoparametric test of zero drift amount automatically, at 2～3 ° of measuring accuracies within sweep of the eye: (1 σ)≤0.05mil.
Summary of the invention
Though the testing tool of cannon lasting accuracy is arranged in known technology, but, the one, and unexposed concrete technical scheme, what especially lack is the concrete scheme that produces optical reference line, and in such testing tool, setting up optical reference line is the dominant alternative of finishing test, and the test of whole parameters that the first-round hit probability in the certain distance scope is required all depends on optical reference line; The 2nd, when being provided with the CCD receiving system, be not equipped with the scheme of visual system again.In order to remedy the deficiency of known technology, we have invented a kind of gun precision test optical datum line production device.
A kind of scheme of the present invention is seen Fig. 1 or shown in Figure 3, and this device is made up of target telephotolens 1, graticule 2, graticule cross curve microcobjective 3, beam split right-angle prism 4, reflection right-angle prism 5, optical filtering 6, condenser lens 7, CCD8, even reflecting prism 9, visual objective 10 and visual eyepiece 11; Target telephotolens 1, graticule 2, graticule cross curve microcobjective 3, beam split right-angle prism 4, even reflecting prism 9 are positioned on first transverse axis and are arranged in order; On reflection right-angle prism 5, optical filtering 6, condenser lens 7, CCD8 is positioned at second transverse axis parallel and arrange in the other direction successively with first transverse axis; Beam split right-angle prism 4, reflection right-angle prism 5 are positioned on first vertical with described two transverse axis and crossing vertical optical axis again and are arranged in order; Even reflecting prism 9, visual objective 10, visual eyepiece 11 be positioned at intersect with first transverse axis and vertical second vertical optical axis on and be arranged in order.
Another kind of scheme of the present invention is seen shown in Figure 2, and this device is made up of target telephotolens 1, graticule 2, graticule cross curve microcobjective 3, beam split right-angle prism 4, reflection right-angle prism 5, optical filtering 6, condenser lens 7, CCD8, visual objective 10 and visual eyepiece 11; Target telephotolens 1, graticule 2, graticule cross curve microcobjective 3, beam split right-angle prism 4, visual objective 10, visual eyepiece 11 are positioned on first transverse axis and are arranged in order; On reflection right-angle prism 5, optical filtering 6, condenser lens 7, CCD8 is positioned at second transverse axis parallel and arrange in the other direction successively with first transverse axis; Beam split right-angle prism 4, reflection right-angle prism 5 are positioned on vertical with described two transverse axis and the crossing vertical optical axis again and are arranged in order.
The technique effect of technique scheme is, this device is installed in gun barrel near axis of trunnions place, through further adjusting, make that the axis of pitch of this device and gun barrel geometrical axis are the cannon parallel axes, become the optical reference line of gun precision test instrument.Graticule 2 is positioned at the place, focal plane of target telephotolens 1.The infinite distant place of target telephotolens 1 picked-up target cross curve picture, with cross curve picture on the graticule 2 be that the CCD receiving system images on the CCD8 together through forming a microscopic system by graticule cross curve microcobjective 3 and condenser lens 7, be converted to electric signal, handle by follow-up Computer Image Processing device again, finally obtain various precision parameters.For imaging simultaneously on CCD8 and observer's naked eyes 12, adopt beam split right-angle prism 4 that light path is divided into two-way.The road secondary reflection again through reflection right-angle prism 5 of CCD8 is led in reflection, and second the even reflection that realizes light path first makes the compact conformation of device, thereby take less space to obtain erect image.Transmission lead to observer's naked eyes 12 a road otherwise reflex to the visual system that constitutes by visual objective 10 and visual eyepiece 11 through even reflecting prism 9, directly lead to this visual system, just the former makes the compact conformation of device when the observer can observe erect image.The CCD imaging system belongs to low light level imaging system, therefore, needs to install additional optical filtering 6 before CCD8.
In the fire control system of weaponry, the angle between boresight and the cannon axis need accurately reach sighting angle, could hit when the gun commander shoots like this.This angle is that cannon sets the angle, and it has produced the shell parabolic path, is resolved by the cannon control computer, feeds back to stabilizer, and the gun commander carries out accurate aimed fire in view of the above.According to the target cross curve center in the gun laying line deriving means with set after the present invention's datum line production device in target cross curve center distance of imaging on CCD obtain the actual measurement angle, and computing machine provides sets deviation between the angle, is cannon and sets angular accuracy.The measuring accuracy of the present invention's device: (1 σ)≤0.05mil.
Measurement about the stabilizator lasting accuracy, the gun turret of self-propelled gun, tank is stable with stabilizator, (20～25km/h) travel on the road surface of moderate relief with the medium speed for self-propelled gun, tank, the mean value of cannon wobble amplitude, be the stabilizator lasting accuracy, standard is level ± 3mil, just ± and 1mil, self-propelled gun, tank are in advancing, and gun turret should be stabilized in this scope.So, the target cross curve looks like to be in dither state in the CCD visual field of the present invention's datum line production device, its shake track of real time record, all some interpretation then, read the deviation of target cross curve inconocenter and CCD electricity cross center in the CCD visual field of datum line production device, just can measure the stabilizator lasting accuracy.The measuring accuracy of the present invention's device: (1 σ)≤0.05mil.
Under the situation that cannon and gun sight synchronization accuracy are meant at target and move, self-propelled gun or tank are static, in cannon pitching scope, the cannon servo-actuated is in the gun laying mirror, and boresight and cannon axis keep synchronous precision.Graticule cross curve picture and target cross curve picture two cross centre distances set the angle corresponding to it all the time in the CCD visual field in the present invention's the datum line production device, and its error has characterized synchronization accuracy.The measuring accuracy of the present invention's device: (1 σ)≤0.05mil.
Cannon follow the boresight precision be meant at target move, under the situation that self-propelled gun or tank also move, in certain pointing velocity scope, promptly height is to less than 10mil/s, the orientation is to less than 20mil/s, cannon is followed the error of boresight.Having surely can be in the middle aimed fire of advancing as the modern fire control system of function, in gun commander's aiming process, gun sight is exported to control enclosure with respect to boresight at the error angle signal of level and vertical direction with cannon, control enclosure is given the fire control subsystem cannon position signalling, replace stabilizator Central Plains angle gyroscope signal to remove to drive cannon, the position feedback of cannon constitutes closed loop to gun sight, makes the cannon servo-actuated in boresight, be where the gun commander sees from gun sight, where cannon and then forwards to.Be cannon by the distance at two the cross centers of target cross curve in the target cross curve in the boresight deriving means and the present invention's the datum line production device with respect to the error that sets the angle and follow the boresight precision.The present invention's measurement device precision: (1 σ)≤0.05mil.
Description of drawings
Fig. 1 is a kind of scenario-frame synoptic diagram of the present invention's datum line production device.Fig. 2 is the another kind of scenario-frame synoptic diagram of the present invention's datum line production device.Fig. 3 is the rough schematic view of the present invention's the preceding a kind of scheme of datum line production device, the double accompanying drawing that makes an abstract of this figure.
Embodiment
A kind of concrete scheme of the present invention is seen shown in Figure 1, and this device is made up of target telephotolens 1, graticule 2, graticule cross curve microcobjective 3, beam split right-angle prism 4, reflection right-angle prism 5, optical filtering 6, condenser lens 7, CCD8, even reflecting prism 9, visual objective 10 and visual eyepiece 11.Target telephotolens 1, graticule 2, graticule cross curve microcobjective 3, beam split right-angle prism 4, even reflecting prism 9 are positioned on first transverse axis and are arranged in order.Target telephotolens 1 is made up of cemented doublet 13 and diverging meniscus lens 14, adopts diverging meniscus lens 14 can make the light path of whole optical system shorten the focal length of target telephotolens 1
。At graticule 2 gluings unification piece anaberration lens 15, graticule 2 is positioned at the place, focal plane of target telephotolens 1.Graticule cross curve microcobjective 3 adopts cemented doublet.On reflection right-angle prism 5, optical filtering 6, condenser lens 7, CCD8 is positioned at second transverse axis parallel and arrange in the other direction successively with first transverse axis.Condenser lens 7 is combined by a kind of cemented doublet and a kind of diverging meniscus lens, can make the imaging on the CCD8 clear.The combined focal length of forming the CCD receiving system by graticule cross curve microcobjective 3 and condenser lens 7
。Between condenser lens 7 and CCD8, add and form the curvature of field object lens 16 that disappear by a kind of diverging meniscus lens, a kind of concavees lens and a kind of positive meniscus lens.CCD8 adopts 2/3 ＂ CCD, and image planes are of a size of 6.8 * 8.8 (mm
2), so CCD receiving system parallactic angle is 2.75 ° * 3.666 °, can satisfy the requirement of test to diagonal line visual field 〉=4.5 °.Beam split right-angle prism 4, reflection right-angle prism 5 are positioned on first vertical with described two transverse axis and crossing vertical optical axis again and are arranged in order.Beam split right-angle prism 4 is a kind of two gummed right-angle prisms.Even reflecting prism 9, visual objective 10, visual eyepiece 11 be positioned at intersect with first transverse axis and vertical second vertical optical axis on and be arranged in order.Even reflecting prism 9 adopts pentaprism, and pentaprism can realize that light path is turned back and the even reflection, and, because being in, this pentaprism assembles in the light path, make Installation and Debugging more convenient.Visual objective 10 is made up of a kind of cemented doublet and a kind of diverging meniscus lens.Visual eyepiece 11 is combined by two identical cemented doublet symmetries.Visual eyepiece 11 focal lengths
, visual amplification Γ=8
*, the emergent pupil distance
, exit pupil diameter D '=5mm.
Claims (9)
1, a kind of gun precision test optical datum line production device, it is characterized in that this device is made up of target telephotolens (1), graticule (2), graticule cross curve microcobjective (3), beam split right-angle prism (4), reflection right-angle prism (5), optical filtering (6), condenser lens (7), CCD (8), even reflecting prism (9), visual objective (10) and visual eyepiece (11); Target telephotolens (1), graticule (2), graticule cross curve microcobjective (3), beam split right-angle prism (4), even reflecting prism (9) are positioned on first transverse axis and are arranged in order; Reflection right-angle prism (5), optical filtering (6), condenser lens (7), CCD (8) are positioned on second transverse axis parallel with first transverse axis and successively and arrange in the other direction; Beam split right-angle prism (4), reflection right-angle prism (5) are positioned on first vertical with described two transverse axis and crossing vertical optical axis again and are arranged in order; Even reflecting prism (9), visual objective (10), visual eyepiece (11) be positioned at intersect with first transverse axis and vertical second vertical optical axis on and be arranged in order.
2, optical datum line production device according to claim 1 is characterized in that, target telephotolens (1) is made up of cemented doublet (13) and diverging meniscus lens (14).
3, optical datum line production device according to claim 1 is characterized in that, at graticule (2) gluing unification piece anaberration lens (15), graticule (2) is positioned at the place, focal plane of target telephotolens (1).
4, optical datum line production device according to claim 1 is characterized in that, condenser lens (7) is combined by a cemented doublet and a diverging meniscus lens.
5, optical datum line production device according to claim 1 is characterized in that, adds between condenser lens (7) and CCD (8) and forms the curvature of field object lens (16) that disappear by a diverging meniscus lens, a kind of concavees lens and a positive meniscus lens.
6, optical datum line production device according to claim 1 is characterized in that, beam split right-angle prism (4) is a two gummed right-angle prism.
7, optical datum line production device according to claim 1 is characterized in that, even reflecting prism (9) adopts pentaprism.
8, optical datum line production device according to claim 1 is characterized in that, visual objective (10) is made up of a cemented doublet and a diverging meniscus lens; Visual eyepiece (11) is combined by two identical cemented doublet symmetries.
9, a kind of gun precision test optical datum line production device, it is characterized in that this device is made up of target telephotolens (1), graticule (2), graticule cross curve microcobjective (3), beam split right-angle prism (4), reflection right-angle prism (5), optical filtering (6), condenser lens (7), CCD (8), visual objective (10) and visual eyepiece (11); Target telephotolens (1), graticule (2), graticule cross curve microcobjective (3), beam split right-angle prism (4), visual objective (10), visual eyepiece (11) are positioned on first transverse axis and are arranged in order; Reflection right-angle prism (5), optical filtering (6), condenser lens (7), CCD (8) are positioned on second transverse axis parallel with first transverse axis and successively and arrange in the other direction; Beam split right-angle prism (4), reflection right-angle prism (5) are positioned on vertical with described two transverse axis and the crossing vertical optical axis again and are arranged in order.
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| CNB2007100563779A CN100498425C (en) | 2007-11-30 | 2007-11-30 | Gun precision test optical datum line production device |
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| CNB2007100563779A CN100498425C (en) | 2007-11-30 | 2007-11-30 | Gun precision test optical datum line production device |
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| CN101169521A CN101169521A (en) | 2008-04-30 |
| CN100498425C true CN100498425C (en) | 2009-06-10 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101408667B (en) * | 2008-11-21 | 2010-06-02 | 长春理工大学 | Optical hinge |
| CN101660888B (en) * | 2009-09-07 | 2012-07-04 | 中国兵器工业第二〇五研究所 | Photoelectric collimating instrument for naval gun weapon |
| CN101907773B (en) * | 2010-07-13 | 2012-04-11 | 中国科学院长春光学精密机械与物理研究所 | High-collimation solar simulator optical system with auto-collimation aiming system |
| CN101865763A (en) * | 2010-07-14 | 2010-10-20 | 西安工业大学 | Parallax measurement device of airborne head-up display |
| CN102288154B (en) * | 2011-06-20 | 2013-07-10 | 中国人民解放军第二炮兵工程学院 | Method for measuring misalignment angles based on sine wave magneto-optic modulation |
| CN102269541B (en) * | 2011-08-16 | 2013-07-03 | 中国兵器工业第二〇五研究所 | Dynamic sighting device for gunner sighting lens of self-propelled anti-aircraft gun |
| CN102735105B (en) * | 2012-07-12 | 2014-05-07 | 徐荣峰 | Artillery observing-aiming method for realizing two-occupant mobile fighting platform working |
| CN102928973B (en) * | 2012-11-24 | 2014-07-16 | 四川红光汽车机电有限公司 | Universal aiming optical system |
| CN103278045B (en) * | 2013-05-31 | 2015-04-22 | 中国科学院长春光学精密机械与物理研究所 | Rocket azimuth precise aiming system and rocket azimuth precise aiming method |
| CN106767548B (en) * | 2017-03-08 | 2023-07-25 | 长春理工大学 | Device and method for detecting directivity of gun barrel in shooting state by using space three-coordinate method |
| CN110530205A (en) * | 2019-09-18 | 2019-12-03 | 中国科学院合肥物质科学研究院 | A kind of multiterminal synchronize real-time school star device and method |
| CN114413683A (en) * | 2021-12-21 | 2022-04-29 | 北京遥感设备研究所 | Portable multi-working-condition universal shaft correcting device |
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