CN114877748A - All-weather close-range artillery zero correction device based on digital image - Google Patents
All-weather close-range artillery zero correction device based on digital image Download PDFInfo
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- CN114877748A CN114877748A CN202210444995.5A CN202210444995A CN114877748A CN 114877748 A CN114877748 A CN 114877748A CN 202210444995 A CN202210444995 A CN 202210444995A CN 114877748 A CN114877748 A CN 114877748A
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- 238000003384 imaging method Methods 0.000 claims description 33
- 238000005286 illumination Methods 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
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- 230000003595 spectral effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/32—Devices for testing or checking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F1/00—Launching apparatus for projecting projectiles or missiles from barrels, e.g. cannons; Harpoon guns
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Engineering & Computer Science (AREA)
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- Optical Radar Systems And Details Thereof (AREA)
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Abstract
The invention belongs to the technical field of artillery detecting instruments, and particularly provides an all-weather close-range artillery zero-position correcting device based on a digital image. The all-weather close-range artillery zero-position correction device based on the digital image realizes all-weather artillery correction in daytime and at night, the artillery correction distance is close, the operation difficulty is greatly reduced, arbitrary close-range artillery correction is realized through electronic division automatic correction, the operation difficulty is greatly reduced, and the artillery correction precision is improved.
Description
Technical Field
The invention relates to the technical field of artillery detection instruments, in particular to an all-weather close-range artillery zero position correction device based on a digital image.
Background
With the tactics change of modern war, not only the day time is in operation, but also the night time is needed for operation, and night time battle has become the most secret and efficient tactics. The guns of vehicles such as armored cars, tanks and the like need zero correction before use, and target correction is important work which is frequent and directly related to the guarantee and hit probability of airborne weapons and the task efficiency of the whole weapon system.
Traditional school target is gone on daytime basically, and mostly is remote correction, because the restriction of correction distance and lighting conditions etc. hardly carries out school big gun night, and the school big gun is the laser school target night commonly used at present, because laser beam is difficult to accurate control and remote laser facula is great, therefore the precision of laser school target is very low, hardly reaches actual school target precision demand.
Disclosure of Invention
The invention aims to provide an all-weather close-range artillery zero-position correction device based on a digital image, which can realize close-range artillery correction in daytime and at night and has higher correction precision.
The invention provides an all-weather close-range artillery zero-position correction device based on a digital image, which comprises a laser auxiliary illuminator, a digital imaging device, a high-precision inserting shaft and a host, wherein the laser auxiliary illuminator is arranged at the upper end of the digital imaging device, one end of the high-precision inserting shaft is arranged in the digital imaging device, and the digital imaging device is in communication connection with the host;
the high-precision inserting shaft is used for fixing the position of the digital imaging device in the gun barrel;
the laser auxiliary illuminator is used for providing laser illumination for the digital imaging device to acquire a central image of a cross line of a target plate of the short-distance correction target;
the digital imaging device is used for acquiring a target plate cross line center image of the close-range correction target in real time and uploading the acquired target plate cross line center image to the host;
and the host is used for generating an electronic cross division center image and performing gun calibration according to the electronic cross division center image and the target plate cross line center image.
Further, the laser auxiliary illuminator comprises an optical aperture, a laser collimation system and a laser, wherein the optical aperture is used for controlling the illumination range and the illumination energy of the laser illumination; the laser alignment system is used for aligning laser beams and eliminating stray light of laser; the laser is used for emitting laser.
Further, the laser collimation system comprises a lens group consisting of a plurality of lenses, and the laser is a semiconductor continuous laser.
Further, the digital imaging device comprises a collimator objective and an image sensor, wherein the collimator objective is used for imaging a target plate cross line center image of the short-distance correction target on the image sensor.
Further, the collimator objective is a lens group formed by combining a plurality of lenses.
Further, the image sensor is communicated with the host, and the image sensor uploads the collected target plate cross line center image of the close-range correction target to the host.
Furthermore, the host computer comprises a control panel and a display, the control panel is used for controlling the all-weather close-range artillery zero correction device based on the digital image, and the display is used for displaying the electronic cross division central image and the target plate cross line central image.
Furthermore, the high-precision inserting shaft is in clearance-free fit with the gun barrel, and the coincidence of the optical axis of the digital imaging device and the shaft of the gun barrel body is ensured.
The all-weather close-range artillery zero correction device based on the digital image has the following advantages that: the high-precision short-distance gun calibration in the daytime and at night can be realized, and the defects that the traditional gun calibration in the daytime and the traditional gun calibration in the long-distance are only realized and the laser gun calibration precision is not high are overcome.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of an all-weather close-distance artillery zero correction device based on digital images.
FIG. 2 is a schematic diagram of the gun calibration provided by the present invention.
Description of reference numerals: 1-a laser-assisted illuminator; 2-a digital imaging device; 3-light-passing diaphragm; 4-a laser alignment system; 5-a laser; 6-a collimating objective lens; 7-an image sensor; 8-high-precision shaft insertion; 9-the host.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the predetermined objects, the following detailed description will be given to the embodiments, structures, features and effects of the all-weather near distance artillery zero-position correction device based on digital images according to the present invention with reference to the accompanying drawings and preferred embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present embodiment, an all-weather close-distance artillery zero-position correction device based on a digital image is provided, as shown in fig. 1, the all-weather close-distance artillery zero-position correction device based on a digital image comprises a laser auxiliary illuminator 1, a digital imaging device 2, a high-precision plug shaft 8 and a host 9, the laser auxiliary illuminator 1 is arranged at the upper end of the digital imaging device 2, one end of the high-precision plug shaft 8 is arranged in the digital imaging device 2, and the digital imaging device 2 is in communication connection with the host 9;
the high-precision insert shaft 8 is used for fixing the position of the digital imaging device 2 in the gun barrel;
the laser auxiliary illuminator 1 is used for providing laser illumination for the digital imaging device 2 to acquire a central image of a target plate cross line of the short-distance correction target 10;
the digital imaging device 2 is used for acquiring a target plate cross line center image of the short-distance correction target 10 in real time and uploading the acquired target plate cross line center image to the host 9;
and the host machine 9 is used for generating an electronic cross division center image and performing gun calibration according to the electronic cross division center image and the target plate cross line center image.
Preferably, the laser-assisted illuminator 1 comprises a light-passing diaphragm 3, a laser collimation system 4 and a laser 5, wherein the light-passing area of the light-passing diaphragm 3 can be adjusted for controlling the illumination range and the illumination energy of the laser illumination; the laser collimation system 4 is used for collimating laser beams and eliminating stray light of the laser, so that the laser can ensure certain uniformity in an illumination range; the laser 5 is used for emitting laser light.
Specifically, the laser auxiliary illuminator 1 provides near-infrared band illumination for a near-distance target, the illumination range is properly larger than the target plate surface of the near-distance correction target 10, the illumination area ensures certain uniformity, and the illumination center is approximately at the center of the target plate.
Preferably, the laser collimation system 4 comprises a lens group consisting of a plurality of lenses, the laser 5 is a semiconductor continuous laser, the illumination waveband is a near-infrared invisible waveband, and the common characteristic waveband is 808nm, 830nm and the like.
Preferably, the digital imaging device 2 comprises a collimator objective 6 and an image sensor 7, wherein the collimator objective 6 is used for imaging a target plate reticle center image of the close-range correction target 10 on the image sensor 7.
Preferably, the collimator objective 6 is a lens assembly formed by combining a plurality of lenses, specifically a long-focus and high-resolution optical lens assembly, and has a wide-range response including visible light and near infrared, and the glass may not be coated in consideration of the spectral curve of the glass material.
Specifically, the image sensor 7 is a low-illumination camera module, and can realize imaging in the daytime and at night (such as starlight and moonlight conditions).
It should be noted that the close-range calibration target 10 can be designed with different calibration patterns according to the calibration requirement.
Preferably, the image sensor 7 is in communication with the host computer 9, and the image sensor 7 uploads the acquired target plate reticle center image of the close-range correction target 10 to the host computer 9.
The image sensor 7 and the host 9 may communicate with each other through a network port line or a USB, and the communication method is not limited.
Preferably, the host 9 includes a control board and a display, the control board controls the digital image-based all-weather close-distance artillery zero correction device, the display is used for displaying the electronic cross division center image and the target plate cross line center image, the electronic cross division center represents the optical axis center of the device, and the electronic cross division center can be corrected according to the correction distance.
Preferably, the high-precision insertion shaft 8 is in clearance-free fit with the gun barrel, so that the optical axis of the digital imaging device 2 is ensured to coincide with the axis of the gun barrel body.
Specifically, the host computer 9 automatically generates an electronic cross-shaped division center image, displays the image in real time, and has the functions of image preprocessing, target recognition, data storage, data management and the like.
The invention provides an all-weather close-range artillery zero correction device based on a digital image, which has the following working principle: the laser auxiliary illuminator 1 provides laser illumination for the short-distance correction target 10, so that the digital imaging device 2 can acquire a target plate cross line central image of the short-distance correction target 10 in all weather, the acquired target plate cross line central image is uploaded to the host computer 9 to be displayed, the gun barrel is moved, the target plate cross center displayed by the host computer 9 is coincided with an electronic cross division center generated in the display screen, and gun calibration is completed at the moment.
As shown in fig. 2, assuming that the viewing system is at the lower right of the gun barrel, and the coordinates of the electronic division center pixel are (X0, Y0), the gun calibration procedure of the device is as follows:
1. placing the short-distance correction target at a proper position (such as about 50 meters), wherein the target surface is opposite to the muzzle and is vertical to the ground;
2. aiming at the center of the short-distance correction target by using an observing and aiming system of the gun, and measuring the distance a between the observing and aiming system and the short-distance correction target by using a laser range finder carried by the gun;
3. inserting the device into a gun barrel, starting the device to input a correction distance, and dividing the pixel coordinate of the automatic correction into (X0+ NX, Y0+ NY), (the horizontal direction: + represents the left direction, -represents the right direction, and the vertical direction: + represents the upward direction, -represents the downward direction);
4. and moving the gun barrel until the electronic division center of the device is consistent with the center of the short-distance correction target, and finishing gun correction.
The pixel shift NX, NY calculation is as follows:
wherein,
a is the full distance of the calibration target, m;
a is a short-distance target correcting distance m;
f' is the focal length of the collimating objective lens of the correcting lens, and is mm;
b is the size of one pixel of the image sensor, mm;
l is the horizontal distance between the center of the observing and sighting system and the center of the gun barrel, and m;
h is the vertical distance between the center of the observing and sighting system and the center of the gun barrel, and m is the vertical distance between the center of the observing and sighting system and the center of the gun barrel.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The all-weather near-distance artillery zero position correction device based on the digital image is characterized by comprising a laser auxiliary illuminator (1), a digital imaging device (2), a high-precision inserting shaft (8) and a host (9), wherein the laser auxiliary illuminator (1) is arranged at the upper end of the digital imaging device (2), one end of the high-precision inserting shaft (8) is arranged in the digital imaging device (2), and the digital imaging device (2) is in communication connection with the host (9);
the high-precision inserting shaft (8) is used for fixing the position of the digital imaging device (2) in the gun barrel;
the laser auxiliary illuminator (1) is used for collecting a target plate cross line center image of the short-distance correction target (10) for the digital imaging device (2) and providing laser illumination;
the digital imaging device (2) is used for acquiring a target plate cross line center image of the short-distance correction target (10) in real time and uploading the acquired target plate cross line center image to the host (9);
and the host (9) is used for generating an electronic cross division center image and performing gun calibration according to the electronic cross division center image and the target plate cross line center image.
2. The digital image-based all-weather close-distance artillery zero correction device is characterized in that the laser auxiliary illuminator (1) comprises a light-passing diaphragm (3), a laser collimation system (4) and a laser (5), wherein the light-passing diaphragm (3) is used for controlling the illumination range and the illumination energy of laser illumination; the laser alignment system (4) is used for aligning laser beams and eliminating stray light of laser; the laser (5) is used for emitting laser light.
3. The all-weather close-distance artillery zero correction device based on digital images according to claim 2, characterized in that the laser collimation system (4) comprises a lens group consisting of a plurality of lenses, and the laser (5) is a semiconductor continuous laser.
4. The digital image-based all-weather near-distance artillery null correction device according to claim 1, characterized in that the digital imaging device (2) comprises a collimator objective (6) and an image sensor (7), wherein the collimator objective (6) is used for imaging a target plate reticle center image of the near-distance correction target (10) on the image sensor (7).
5. The device for the correction of the null of an all-weather close-distance artillery based on digital images according to claim 4, characterized in that the collimator objective (6) is a lens group composed of several lenses.
6. The digital image-based all-weather near-distance artillery zero position correction device according to claim 4, characterized in that the image sensor (7) is in communication with the host computer (9), and the image sensor (7) uploads the acquired target plate cross line center image of the near-distance correction target (10) to the host computer (9).
7. The digital image-based all-weather close-distance artillery zero-position correction device according to claim 1, characterized in that the host (9) comprises a control board and a display, wherein the control board controls the digital image-based all-weather close-distance artillery zero-position correction device, and the display is used for displaying the electronic cross division center image and the target plate cross line center image.
8. The digital image-based all-weather close-range artillery zero position correction device according to claim 1, characterized in that the high-precision insertion shaft (8) is in gapless fit with the gun barrel, so that the optical axis of the digital imaging device (2) is coincident with the axis of the gun barrel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210444995.5A CN114877748A (en) | 2022-04-26 | 2022-04-26 | All-weather close-range artillery zero correction device based on digital image |
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| CN202210444995.5A CN114877748A (en) | 2022-04-26 | 2022-04-26 | All-weather close-range artillery zero correction device based on digital image |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202339145U (en) * | 2011-12-01 | 2012-07-18 | 西安华科光电有限公司 | Automatic fire control ballistic adjusting platform with laser-assisted illumination |
| US20150075359A1 (en) * | 2012-04-20 | 2015-03-19 | Thales | Method for determining corrections for artillery fire |
| CN205940283U (en) * | 2016-07-27 | 2017-02-08 | 深圳天盈光电系统有限公司 | Infrared single mesh of hand -held type shortwave is seen with two meshes and is taken aim at device |
| CN108225106A (en) * | 2018-01-29 | 2018-06-29 | 陕西远航光电有限责任公司 | A kind of optics borescope based on mobile display terminal |
| CN113790739A (en) * | 2021-09-17 | 2021-12-14 | 无锡市星迪仪器有限公司 | Device and method for calibrating aerial gun space attitude |
| CN114383468A (en) * | 2022-02-18 | 2022-04-22 | 无锡市星迪仪器有限公司 | Tank gun calibration method, processing device and tank gun calibration system |
-
2022
- 2022-04-26 CN CN202210444995.5A patent/CN114877748A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202339145U (en) * | 2011-12-01 | 2012-07-18 | 西安华科光电有限公司 | Automatic fire control ballistic adjusting platform with laser-assisted illumination |
| US20150075359A1 (en) * | 2012-04-20 | 2015-03-19 | Thales | Method for determining corrections for artillery fire |
| CN205940283U (en) * | 2016-07-27 | 2017-02-08 | 深圳天盈光电系统有限公司 | Infrared single mesh of hand -held type shortwave is seen with two meshes and is taken aim at device |
| CN108225106A (en) * | 2018-01-29 | 2018-06-29 | 陕西远航光电有限责任公司 | A kind of optics borescope based on mobile display terminal |
| CN113790739A (en) * | 2021-09-17 | 2021-12-14 | 无锡市星迪仪器有限公司 | Device and method for calibrating aerial gun space attitude |
| CN114383468A (en) * | 2022-02-18 | 2022-04-22 | 无锡市星迪仪器有限公司 | Tank gun calibration method, processing device and tank gun calibration system |
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