CN104266639A - Collimator visual lens group and image acquisition device integrated system - Google Patents
Collimator visual lens group and image acquisition device integrated system Download PDFInfo
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- CN104266639A CN104266639A CN201410443116.2A CN201410443116A CN104266639A CN 104266639 A CN104266639 A CN 104266639A CN 201410443116 A CN201410443116 A CN 201410443116A CN 104266639 A CN104266639 A CN 104266639A
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- lens
- visual
- camera lens
- collecting device
- image collecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
Abstract
The invention relates to a collimator visual lens group and image acquisition device integrated system which comprises a focusing lens group, a visual lens group and an image acquisition device, wherein the collimator visual lens group is internally provided with a visual reticle; a beam splitter prism is arranged on the right side of the visual reticle; the optical axis of reflected light of the beam splitter prism coincides with that of the image acquisition device; the optical axis of the transmitting light coincides with that of the collimator visual lens group. After the system is adopted, a collimator has the functions of visual inspection and image acquisition at the same time, so that the acquired image information is consistent with a visual field; when used for a carrier rocket ground aiming system based on a strapdown inertial measurement unit, the collimator visual lens group and image acquisition device integrated system is capable of transmitting the acquired image information by a video optical fiber or a network remotely, so that a remote control operator can make visual observation according to the acquired image information; the information such as orientation and height of an aimed target can be processed and worked out by an image identification software, so that basis is provided for remote operation.
Description
Technical field
The present invention relates to a kind of photoelectric measuring device, especially relate to a kind of ground aiming instrument system for carrier rocket tracking measurement.
Background technology
Before carrier rocket is launched, ground needs to carry out initial orientation establishment to it, to take off according to the track of setting after rocket firing.Along with carrier rocket of new generation adopts strapdown to be used to group technique, propose on-the-spot unattended requirement after filling, this just need by ground aiming system Real-time Obtaining strapdown be used to the alignment prism in group orientation, just, the information such as right position, and provide basis for estimation by being transmitted as remote carrier rocket alignment prism orientation mode of grasping.
By the visual mirror group of point instrumentation and image collecting device Integrated design, point instrumentation is made to possess visual image acquisition function, when after configuration image process software and image display, can obtain quickly and easily taken aim at the orientation of target, just, the image information such as right position, the image information of collection is carried out long-distance transmissions, supplementary can be provided for operator remote-controlled operation point instrumentation.
Summary of the invention
The object of this invention is to provide the visual mirror group of a kind of point instrumentation and image collecting device integrated system, the azimuth information of the alignment prism in group can be used to, for operator remote-controlled operation provides basis for estimation by convenient, fast, remote acquisition carrier rocket strapdown by native system.
For solving the problems of the technologies described above, a kind of point instrumentation visual mirror group of the present invention and image collecting device integrated system comprise focusing lens group, visual mirror group, image collecting device, visual graticule is provided with in visual mirror group, Amici prism is provided with on the right side of visual graticule, make the optical axis of Amici prism reflected light and the optical axis coincidence of image collecting device, and the optical axis of Amici prism through light and the optical axis coincidence of visual mirror group; Amici prism is glued together by two right-angle prisms and forms, and by the cemented surface plated film at two right-angle prisms, make plated film be that the transit dose of the light of 550nm equals volume reflection to wavelength, and the light quantity through light is added, and the light quantity of reflected light is greater than 90% of incident light light quantity.
The present invention is integrated by point instrumentation visual mirror group and image collecting device, visual mirror group and image collecting device is allowed to share a set of telescope focusing system and visual graticule, both light paths are separated and conjugation, make the image information of image acquisition device consistent with visual visual field.When remote photoelectric collimates, during by focusing handwheel focusing to infinite distance, collimation luminous point and visual graticule image can be gathered; When focusing to limited distance, visual view field image can be gathered.Concrete imaging process of the present invention and light path as follows: focused by focusing handwheel, target is focused on, the reflected light of target arrives visual graticule by focusing lens group, Amici prism is arrived again by visual graticule, under point light action of Amici prism, part target reflecting light arrives the observation end of visual mirror group through the plated film of Amici prism cemented surface, be convenient to field observation and operation, part target reflecting light arrives imageing sensor through the light path being reflected through image collecting device of Amici prism, imaging on the image sensor, by showing over the display after long-distance transmission and image processing software process, be convenient to distant surveillance and operation.Imageing sensor can adopt ccd image sensor or cmos image sensor.
As the modified node method of the visual mirror group of a kind of point instrumentation of the present invention and image collecting device integrated system, wherein image collecting device comprises case for lens, lens mount, camera lens one, camera lens two, imageing sensor, imageing sensor is fixedly mounted in case for lens, camera lens one is fixedly mounted on the inner chamber left end of lens mount, camera lens two is fixedly connected with the right-hand member of lens mount by connecting lock nut, inner chamber and the camera lens two of camera lens one and lens mount form light path, the optical axis of camera lens one and the optical axis coincidence of camera lens two, the right end sidewalls of case for lens is provided with camera aperture, the left end of lens mount is fixedly connected with by coupling arrangement with the right-hand member of case for lens, the left end of camera lens one stretches in camera aperture, the optical axis of camera lens one and camera lens two overlaps with the perpendicular bisector of the imaging surface of imageing sensor, at lens mount left end perisporium, edge is set, circumferentially equidistant on edge four circular holes are set, the right end sidewalls of case for lens arranges four first bolts hole corresponding with described circular hole, the perisporium right part of case for lens is allowed to protrude compared with the right end sidewalls of case for lens to the right, the perisporium that case for lens right-hand member protrudes arranges four the second bolts hole, and makes the second bolt hole mutually vertical with the axis of the first tired keyhole, four the first bolts screw in case for lens right end sidewalls four the first bolts hole through four circular holes on lens mount left end perisporium edge, the diameter of circular hole is greater than the diameter of the first bolt, and four the second bolts screw in four the second bolts hole for adjusting the optical axis position of camera lens one and camera lens two.
Adopt this modified node method, first by four the first bolts, case for lens is connected with lens mount, then the optical axis position of camera lens one and camera lens two is adjusted by four second bolts vertical with the first bolt, it is made to overlap with the perpendicular bisector of imageing sensor imaging surface, finally fastening four the first bolts again.This structural design is located by tolerance clearance, and make dismounting more quick, use procedure is as the fast changeable that breaks down; Simultaneously in order to not affect focusing lens group luffing angle, imaging optical path should be as far as possible short, and this modified node method have employed the first and camera lens two of pair of parallel imaging lens, achieves short object distance imaging.
As a kind of point instrumentation visual mirror group of the present invention and the further modified node method of image collecting device integrated system, two tablet filters are set up between camera lens one and camera lens two are established, two tablet filter plating narrow-band-filter films, narrow-band-filter film is made to be that the transmitance of the light of 400nm-600nm is greater than 90% to wavelength, and 99.5% is more than or equal to the light reflectance that wavelength is greater than 660nm, simultaneously, make to be provided with certain angle between two tablet filters, and a wherein tablet filter is arranged to vertical with the optical axis of camera lens two with camera lens one.
Adopt the structure of this further improvement, two tablet filters are set between establishing at camera lens one and camera lens two, the saturation problem of the imageing sensor imaging surface that the collimated laser beam that when solving aiming, target is reflected back causes; Meanwhile, the plated film due to optical filter is greater than 660nm reflection to wavelength and is more than or equal to 99.5%, easily makes target reflecting light between two tablet filters, cause ghost through multiple reflections and be imaged on the imaging surface of imageing sensor; In order to eliminate the interference of ghost to normal picture, by a tablet filter is installed perpendicular to optical axis, another sheet is installed at an angle, ghost can be reflected the imaging viewing field of imageing sensor imaging surface, experiment shows, when installing in 5 ° ~ 10 ° between two tablet filters, imaging effect is the most clear.
For ensureing that imaging viewing field angle is not less than 1 °, the imaging area of ccd image sensor is designed to be more than or equal to 1/3 inch; Meanwhile, in order to strengthen the tightness that case for lens is connected with lens mount, being convenient to the optical axis position by the first bolt and the second bolt adjustment camera lens one and camera lens two, adjustment pad can also being set up between the right end sidewalls of case for lens and the left end edge of lens mount
Below in conjunction with accompanying drawing illustrated embodiment, a kind of visual mirror group of point instrumentation of the present invention and image collecting device integrated system are described in further detail:
Accompanying drawing explanation
Fig. 1 is the schematic front view of the visual mirror group of a kind of point instrumentation of the present invention and the first embodiment of image collecting device integrated system;
Fig. 2 is the front sectional view of the image collecting device of the visual mirror group of a kind of point instrumentation of the present invention and image collecting device integrated system the second embodiment.
Embodiment
In the schematic front view of the visual mirror group of a kind of point instrumentation of the present invention as shown in Figure 1 and the first embodiment of image collecting device integrated system, comprise focusing lens group 1, visual mirror group 2 and image collecting device 3, visual mirror group 2 left end arranges visual graticule 201, on the right side of visual graticule 201, Amici prism 202 is set, and make the optical axis of the reflected light of Amici prism 202 and the optical axis coincidence of image collecting device 3, through the optical axis of light and the optical axis coincidence of visual mirror group 2; Amici prism 202 is preferably designed to be glued together by two right-angle prisms form, and at the cemented surface plated film of two right angle Amici prisms, the transit dose making plated film equal the light of 550nm to wavelength equals volume reflection, and the light quantity of reflected light is greater than 90% of incident light light quantity to make the light quantity through light add, the effectively logical light quantity of Amici prism 202 is allowed to meet the requirement of visual visual field.Amici prism 202 for target and visual graticule 201 imaging are divided into two, permeation parts through visual mirror group 2 for human eye observation, reflecting part through the lens imaging of image collecting device 3 on the imaging surface of ccd image sensor.
The present invention is integrated by point instrumentation visual mirror group 2 and image collecting device 3, both are allowed to share a set of telescope focusing lens group 1 and visual graticule 201, point instrumentation is possessed image collecting function and the image information that image collecting device 3 is gathered is consistent with visual visual field.When remote photoelectric collimates, when being focused to infinite distance by focusing lens group 1, collimation luminous point and visual graticule 201 image can be gathered; When focusing to limited distance, visual view field image can be gathered.The present invention is focused by focusing lens group 1, target is focused on, the reflected light of target arrives visual graticule 201 by focusing lens group 1, Amici prism 202 is arrived again by visual graticule 201, under point light action of Amici prism 202, part target reflecting light arrives the observation end of visual mirror group 2 through the plated film of Amici prism 202 cemented surface, be convenient to field observation and operation, part target reflecting light is through the imaging surface being reflected through the light path arrival ccd image sensor 11 of image collecting device 3 of Amici prism 202, imaging on the imaging surface of ccd image sensor 11, by showing over the display after long-distance transmission and image processing software process, be convenient to distant surveillance and operation.It should be noted that, the ccd image sensor that the present invention adopts can also use cmos image sensor to substitute.
A kind of visual mirror group of point instrumentation of the present invention as shown in Figure 2 and image collecting device integrated system the second embodiment, atlas harvester 3 comprises case for lens 4, lens mount 5, camera lens 1, camera lens 27 and ccd image sensor 11, ccd image sensor 11 is fixedly mounted in case for lens 4, the area design of ccd image sensor 11 imaging surface is 1/3 inch, to meet the demand that imaging viewing field angle is not less than 1 °; Camera lens 1 is arranged on the inner chamber left end of lens mount 5, and camera lens 27 is fixedly connected on the right-hand member of lens mount 5 by connecting lock nut 12; Inner chamber and the camera lens 27 of camera lens 1 and lens mount 5 form effective optical path, and make the optical axis of camera lens 1 and the optical axis coincidence of camera lens 27.The right end sidewalls of case for lens is provided with camera aperture 401, the left end perisporium of lens mount 5 is provided with edge 501, circumferentially equidistantly on edge 501 be provided with four circular holes, the axis of circular hole is parallel with the optical axis of camera lens 27 with camera lens 1, the right end sidewalls of case for lens 4 is offered four first bolts hole corresponding with described circular hole position; Allow the perisporium right part of case for lens 4 protrude compared with the right end sidewalls of case for lens 4 to the right, the perisporium that case for lens 4 right-hand member protrudes circumferentially evenly arranges four the second bolts hole.
When case for lens 4 is connected with lens mount 5, first four the first bolts 9 are used to screw in four the first bolts hole on case for lens 4 right end sidewalls through four circular holes on lens mount 5 left end perisporium edge 501, case for lens 4 and lens mount 5 are reached tentatively be fastenedly connected, the diameter of circular hole will be designed to the diameter being a bit larger tham the first bolt 9, make the gap existed between the inwall of the first bolt 9 and circular hole for adjusting lens mount 5 position, then four the second bolts 10 are used to screw in four the second bolts hole, and pass through the position of the screw-in degree adjusting mirror headstock 5 of adjustment four the second bolts 10, when the optical axis of camera lens 1 and camera lens 27 overlaps with the perpendicular bisector of ccd image sensor 11 imaging surface, case for lens 4 and lens mount 5 are reached finally be fastenedly connected by screwing four the first bolts 9 again.Now, the left end of camera lens 1 stretches in camera aperture 401.
By the image collecting device 3 of this kind of structural design, adjustment is separated with fixed function, have easy to adjust, dismounting quick, be convenient to the advantage changed; Simultaneously in order to not affect telescope luffing angle, imaging optical path should be as far as possible short, by adopting camera lens 1 and the such one group of parallel imaging camera lens of camera lens 27, the distance of the imaging surface of visual graticule 201 to ccd image sensor 11 can be made to reach 85mm, and make parallel imaging camera lens clear aperture be greater than the effective clear aperture of Amici prism, to meet imaging requirements.
The collimated laser beam that when aiming at for solving, target is reflected back causes the saturation problem of ccd image sensor 11 imaging surface, two tablet filters 8 can be set up between camera lens 1 and camera lens 27, and plated film is carried out to optical filter, make plated film be that the transmitance of the light of 400nm to 600nm is greater than 90% to wavelength, reflection wavelength being greater than to the light of 660nm is more than or equal to 99.5%.Be more than or equal to 99.5% because two tablet filters, 8 pairs of wavelength are greater than 660nm reflectivity, target reflecting light easily causes ghost through multiple reflections and is imaged on the imaging surface of ccd image sensor 11 between two tablet filters 8.For eliminating ghost to the interference of normal picture, the wherein tablet filter optical axis perpendicular to camera lens 1 and camera lens 27 should be installed, another sheet and the angled installation of first.Experiment shows, ghost can be made to reflect the imaging viewing field of ccd image sensor 11 imaging surface when the angle between two tablet filters 8 is 5 ° ~ 10 °.
In order to strengthen the tightness that case for lens is connected with lens mount, being convenient to the optical axis position by the first bolt and the second bolt adjustment camera lens one and camera lens two, adjustment pad can also being set between the right end sidewalls of case for lens 4 and the left end edge 501 of lens mount 5.
A kind of visual mirror group of point instrumentation of the present invention and image collecting device integrated system, point instrumentation is possessed simultaneously visual and image collecting function, the image information achieving collection is consistent with visual visual field, during for being used to the carrier rocket ground aiming system organized based on strapdown, the image information gathered can be passed through video optical fiber or network transmission, for the visualization of remote-control operation hand, calculated by the orientation of run-home by image recognition software processes, just, the information such as left and right, for operated from a distance provides foundation.
Above embodiment is only the description carried out the preferred embodiment of the present invention; the restriction not request protection domain of the present invention carried out; under not departing from the present invention and designing the prerequisite of spirit; the various forms of distortion that this area engineering technical personnel make according to technical scheme of the present invention, all should fall in protection domain that claims of the present invention determine.
Claims (10)
1. the visual mirror group of point instrumentation and image collecting device integrated system, comprise focusing lens group (1), visual mirror group (2), image collecting device (3), it is characterized in that: be provided with visual graticule (201) in described visual mirror group (2), visual graticule (201) right side is provided with Amici prism (202); The optical axis of Amici prism (202) reflected light and the optical axis coincidence of image collecting device (3), the optical axis of Amici prism (202) through light and the optical axis coincidence of visual mirror group (2).
2. according to the visual mirror group of a kind of point instrumentation according to claim 1 and image collecting device integrated system, it is characterized in that: described Amici prism (202) is formed by two right-angle prisms gummeds, the cemented surface plated film of two right-angle prisms, described plated film is that the transit dose of the light of 550nm equals volume reflection to wavelength, and adds that the light quantity of reflected light is greater than 90% of incident light light quantity through the light quantity of light.
3. according to the visual mirror group of a kind of point instrumentation according to claim 2 and image collecting device integrated system, it is characterized in that: described image collecting device (3) comprises case for lens (4), lens mount (5), camera lens one (6), camera lens two (7) and imageing sensor (11), imageing sensor (11) is fixedly mounted in case for lens (4), camera lens one (6) is fixedly mounted on the inner chamber left end of lens mount (5), camera lens two (7) is fixedly connected with by the right-hand member of connecting lock nut (12) with lens mount (5), inner chamber and the camera lens two (7) of camera lens one (6) and lens mount (5) form light path, the optical axis of camera lens one (6) and the optical axis coincidence of camera lens two (7), the right end sidewalls of case for lens is provided with camera aperture (401), the left end of lens mount (5) is fixedly connected with by coupling arrangement with the right-hand member of case for lens (4), the left end of camera lens one (6) stretches in camera aperture (401), the optical axis of camera lens one (6) and camera lens two (7) overlaps with the perpendicular bisector of imageing sensor (11) light-sensitive surface.
4. according to the visual mirror group of a kind of point instrumentation according to claim 3 and image collecting device integrated system, it is characterized in that: described coupling arrangement is, lens mount (5) left end perisporium is provided with edge (501), circumferentially equidistantly on edge (501) be provided with four circular holes, the right end sidewalls of case for lens (4) is provided with four first bolts hole corresponding with described four circular holes; The perisporium right part of case for lens (4) is protruded to the right than the right end sidewalls of case for lens (4), the perisporium that case for lens (4) right-hand member protrudes circumferentially evenly is provided with four the second bolts hole, and the second bolt hole is mutually vertical with the axis of the first tired keyhole; Four the first bolts (9) screw in four the first bolts hole on case for lens (4) right end sidewalls through four circular holes on lens mount (5) left end perisporium edge (501), the diameter of described circular hole is greater than the diameter of the first bolt (9), and four the second bolts (10) screw in four the second bolts hole for adjusting the optical axis position of camera lens one (6) and camera lens two (7).
5. according to the visual mirror group of a kind of point instrumentation according to claim 4 and image collecting device integrated system, it is characterized in that: described camera lens one (6) and camera lens two (7) are provided with two tablet filters (8) between establishing, two tablet filters (8) plating narrow-band-filter film, described narrow-band-filter film is that the transmitance of the light of 400nm ~ 600nm is greater than 90% to wavelength, and is more than or equal to 99.5% to the light reflectance that wavelength is greater than 660nm.
6. according to the visual mirror group of a kind of point instrumentation according to claim 5 and image collecting device integrated system, it is characterized in that: be provided with angle between described two tablet filters (8), wherein a tablet filter (8) is vertical with the optical axis of camera lens two (7) with camera lens one (6).
7. according to the visual mirror group of a kind of point instrumentation according to claim 6 and image collecting device integrated system, it is characterized in that: the angle between described two optical filters (8) is 5 ° ~ 10 °.
8. according to the visual mirror group of a kind of point instrumentation according to claim 7 and image collecting device integrated system, it is characterized in that: described imageing sensor (11) is ccd image sensor.
9. according to the visual mirror group of a kind of point instrumentation according to claim 8 and image collecting device integrated system, it is characterized in that: the imaging area of described ccd image sensor is more than or equal to 1/3 inch.
10. according to the visual mirror group of a kind of point instrumentation described in any one of claim 3-9 and image collecting device integrated system, it is characterized in that: between the right end sidewalls of case for lens (4) and the left end edge (501) of lens mount (5), be provided with adjustment pad.
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| CN201410443116.2A CN104266639B (en) | 2014-09-02 | 2014-09-02 | A kind of visual microscope group of pointing instrumentation and image collecting device integrated system |
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| CN201410443116.2A CN104266639B (en) | 2014-09-02 | 2014-09-02 | A kind of visual microscope group of pointing instrumentation and image collecting device integrated system |
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| CN104266639A true CN104266639A (en) | 2015-01-07 |
| CN104266639B CN104266639B (en) | 2017-07-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114745483A (en) * | 2022-03-31 | 2022-07-12 | 杭州海康威视数字技术股份有限公司 | Camera system |
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