CN112179214A - Automatic target scoring system of track suspension type projection - Google Patents
Automatic target scoring system of track suspension type projection Download PDFInfo
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- CN112179214A CN112179214A CN202011230418.3A CN202011230418A CN112179214A CN 112179214 A CN112179214 A CN 112179214A CN 202011230418 A CN202011230418 A CN 202011230418A CN 112179214 A CN112179214 A CN 112179214A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/14—Apparatus for signalling hits or scores to the shooter, e.g. manually operated, or for communication between target and shooter; Apparatus for recording hits or scores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/10—Cinematographic hit-indicating systems
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- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention relates to a track suspension type projection automatic target reporting system which comprises a suspension type track, wherein the suspension type track is suspended at the top above a target range through a hoisting assembly, a projection acquisition target vehicle and an auxiliary target vehicle are suspended on the track, conductive bars are installed on two sides of the track, a conductive brush is arranged inside the projection acquisition target vehicle, an acquisition camera, a projector, an infrared lamp, a wireless router and an inverter are arranged inside the projection acquisition target vehicle, a target clamping rod is arranged on the auxiliary target vehicle, a target paper fixing plate is installed on the target clamping rod, and white target paper and the target paper fixing plate are fixed on the target paper fixing plate through a dovetail clamp. The system has the common advantages of a suspended target-reporting device and a multimedia projection target, the shooting performance can be displayed in real time, a shooter can correct the shooting posture and aim in real time, the training efficiency is improved, and the watching television can also enable external watching personnel to synchronously watch the performance.
Description
Technical Field
The invention belongs to the field of projection automatic target scoring equipment, and particularly relates to a track suspension type projection automatic target scoring system.
Background
The automatic target-reporting technology of the rail suspension type target vehicle begins to appear in the beginning of the 80 s of the 20 th century, and the automatic target-reporting mode of the existing equipment mainly comprises the technologies of ultrasonic sound-electricity positioning, laser light curtain detection, camera image identification and the like.
The ultrasonic acoustoelectric positioning technology is characterized in that a closed cavity target plate is arranged on a target, target paper is adhered to the cavity target plate, a bullet passes through the cavity target plate after hitting the target paper, the time difference of shock waves generated by the bullet is collected through an ultrasonic sensor to calculate the coordinates of the bullet, the cavity target plate is used as consumable material, after multiple times of shooting, the target plate can form holes, and the holes cause the missing report, the false report, the non-report and the like of ultrasonic target report.
The laser light curtain detection technology is characterized in that a laser light curtain formed by laser emitting and receiving induction devices in metal frames around is adopted to capture the position of a bullet when the bullet passes through a target frame, and the metal frames are too heavy and have potential safety hazards of bullet jumping.
The existing camera image recognition technology calculates the coordinates of the bullet points by detecting the color difference between the bullet holes on the target paper and the original patterns of the target paper, and the mode has very high requirements on the patterns, colors and surrounding environment light of the target paper, so that the missing report rate and the false report rate are high.
The shooting targets of the target reporting technology all adopt target paper printed with target shapes or patterns, the shooting targets are fixed singly, only firing with live ammunition is available, and the shooting experience is poor.
Disclosure of Invention
In order to solve the problems, the invention provides a rail suspension type projection automatic target scoring system, which adopts a form of combining a rail suspension target and a projection target and adopts a unique and ingenious video image acquisition target scoring technology to form a brand-new suspension type projection automatic target scoring system.
In order to solve the problems, the invention is realized by the following technical scheme:
the invention relates to a track suspension type projection automatic target-scoring system, which comprises a suspension type track hoisted at the top above a target ground through a hoisting component, a projection acquisition target vehicle and an auxiliary target vehicle are fixedly connected through a connecting square pipe and then hung on the track through a roller, the projection acquisition target vehicle and the auxiliary target vehicle are pulled by a steel wire rope traction driving device arranged at one side of the track to reciprocate back and forth, conductive strips continuously penetrating through the track are arranged at two sides of the track, a conductive brush for acquiring 24V direct current on the conductive strips is arranged in the projection acquisition target vehicle, a proximity switch is arranged on the track, an acquisition camera, a projector and an inverter for converting 24V into 220V infrared lamps are arranged in the projection acquisition target vehicle, the acquisition camera is in wired connection with a wireless router through a network cable, and the wireless router is connected with the projector and a wireless local area network of a shooter end touch screen computer, penetrate hand end touch screen computer and install in target position target canopy side, the bullet-faced surface installation target car bulletproof plate of target car is gathered in the projection, electrically conductive brush exports the direct current to the dc-to-ac converter, the dc-to-ac converter output alternating current gives the projecting apparatus, gather the camera, the infrared lamp, the power supply of wireless router, be provided with the target clamping bar on supplementary target car, install the target paper fixed plate on the target clamping bar, it is fixed with white target paper and target paper fixed plate through the forked tail clamp on the target paper fixed plate, form one and supply projected white paper screen.
The invention is further improved in that: the idler wheel mounting supports are welded and fixed on two symmetrical sides inside the projection acquisition target car shell, the four idler wheels keep micro-contact with the side face of the track, and the idler wheels 13 enable the target car to be always parallel to the axial direction of the track.
The invention is further improved in that: and anti-collision rubber blocks are arranged at the two ends of the track.
The invention is further improved in that: the implementation process of the target scoring system is as follows: shoot hand end touch screen computer and gather the wireless screen projection function of the projecting apparatus in the target car through the projection, with shooting target projection on supplementary target car's white target paper, the whole target surface is shone to the infrared lamp, gather the camera and catch the target surface image, when the bullet passes white target paper can leave black hole or laser rifle and leave the laser point on white target paper, gather the picture and transmit for shooter end touch screen computer control software through wireless router, realize the target-reporting function through calculating bullet point coordinate.
The invention is further improved in that: the calculation method comprises the following steps: after a computer is started, modeling an initial picture of an acquisition camera, acquiring a gray image, continuously acquiring a new frame image in a period of 40ms, comparing the pixel difference with a previous frame image, performing Gaussian blur processing on the gray image in the comparison process, automatically adjusting a proper threshold value to obtain a proper gray image after subtracting the pixel values of the images, judging a contour with a proper size as a bullet hole by using contour detection, calculating the center of a current contour point set except the current contour point set, determining the coordinates of the bullet hole, storing the coordinates, and when a new bullet hole appears, possibly having the pixel difference between the previous frame and the next frame of the original bullet hole, filtering the original bullet hole by using the previously stored coordinates of the bullet hole, and reserving the coordinates of the newly appeared bullet hole.
The invention has the beneficial effects that:
(1) the system not only has all functions of the rail type suspension target, but also can move to different set shooting distances, and realizes the functions of common training shooting and quick shooting (quick invisible target) training shooting; meanwhile, the system also has the functions of automatic target scoring of virtual dynamic targets of projection targets, shooting game subjects, ball firing and laser simulated shooting;
(2) the device realizes the automatic target-scoring of live ammunition and laser dual functions through the image acquisition of the camera, and realizes the automatic target-scoring function of live ammunition through the identification of holes through which bullets pass on white target paper under the irradiation of infrared light with specific wavelength; in addition, the camera can collect infrared laser points on the target paper at the same time, so that the automatic target reporting function of laser simulation is realized;
(3) the shooter can select different shooting targets to project on the white target paper through the shooter end touch screen computer, the targets can be various standard target paper or static objects, and can also be dynamic targets such as animals, characters and the like, the multimedia interaction effect can be embodied by 3D scenes and rich special effects, a shooting picture and scores are synchronously displayed on a watching television in real time, and the shooting scores can be stored, counted, judged, inquired by historical scores, printed and the like;
(4) the suspended projection automatic target-reporting system adopts a product form combining a brand-new suspended target and a projection target, and adopts a live ammunition and laser dual-function automatic target-reporting mode, and a shooting target can be displayed in a static, dynamic and scene multimedia mode.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the construction of the target car of the present invention.
Fig. 3 is a schematic view of the structure of the suspended track in the present invention.
Fig. 4 is a top view of the construction of the target vehicle of the present invention.
Fig. 5 is a block diagram of the electrical principle of the system of the present invention.
Fig. 6 is a schematic diagram of initial image pixel values for binary computation.
Fig. 7 is a schematic diagram of image pixel values after binary computation.
Wherein: 1-traction driving device, 2-anti-collision rubber block, 3-suspender assembly, 4-projection acquisition target vehicle, 5-track, 6-conductive strip, 7-auxiliary target vehicle, 8-proximity switch, 9-shooter end touch screen computer, 10-square connecting tube, 11-roller, 12-conductive brush, 13-idler wheel, 14-target vehicle bulletproof plate, 15-24V to 220V inverter, 16-acquisition camera, 17-wireless router, 18-projector, 19-infrared lamp, 20-target clamping rod, 21-target paper fixing plate and 22-white target paper.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
As shown in fig. 1-5, the invention is a rail suspension type projection automatic target scoring system, which comprises a suspension type rail 5 suspended on the top of a target ground through a hoisting component 3, a projection acquisition target car 4 and an auxiliary target car 7 are fixedly connected through a connecting square pipe 10 and then hung on the rail 5 through a roller 11, the projection acquisition target car 4 and the auxiliary target car 7 are dragged by a steel wire rope traction driving device 1 arranged on one side of the rail 5 to reciprocate back and forth, the projection acquisition target car 4 and the auxiliary target car 7 are dragged by the steel wire rope to move on the rail to a set shooting distance by the roller 11, the target cars can stop at the set distance such as 7 meters, 15 meters, 25 meters and the like, the projection acquisition target car is mainly used for moving back and forth at different shooting distances, projecting shooting targets and scoring signals, conductive bars 6 continuously penetrating through the rail are installed on two sides of the rail 5, the inside of the projection acquisition target vehicle 4 is provided with a conductive brush 12 for obtaining 24V direct current on the conductive strip 6, the conductive strips 6 on the two sides of the track 5 provide 24V direct current, the conductive brushes 12 on the two sides of the projection acquisition target vehicle 4 are always in effective contact with the conductive strips 6, the obtained direct current is converted into alternating current through a 24V-to-220V inverter 15 to be used by the internal equipment of the target vehicle, a proximity switch 8 is installed on the track 5, when the projection acquisition target vehicle 4 moves below the proximity switch 8 on the track, the proximity switch 8 senses a target vehicle metal shell rear trigger signal, at the moment, the traction driving device 1 can stop or decelerate the target vehicle after receiving the signal, an acquisition camera 16, a projector 18, an infrared lamp 19 and a 24V-to-220V inverter 15 are arranged inside the projection acquisition target vehicle 4, the acquisition camera 16 is in wired connection with a wireless router 17 through a network cable, the wireless router 17 is connected with the projector 18 and a shooter-end touch screen computer 9 through a wireless local area network, the shooter-end touch screen computer 9 is installed on the side surface of a target shed, the shooter-end touch screen computer has the main functions of giving instructions to a target car through menu keys of a software interface, controlling the forward and backward movement, subject setting, score display and the like of the target car, storing, counting, judging, historical score inquiring, printing and the like of the shooting scores by the shooter-end touch screen computer 9, connecting the shooter-end touch screen computer 9 with a cable to a watching television, synchronously outputting and displaying shooting pictures and scores of the shooter-end auxiliary screen and the like for visitors to watch in real time, a target car bulletproof plate 14 is installed on the bullet-facing surface of the projection collection target car 4, the target car bulletproof plate 14 provides safety protection for the whole target car, an infrared lamp 19 irradiates invisible infrared light with specific wavelength and spreads the whole target paper, and the infrared lamp 19 is fixedly installed at the front end of the target car, the lamp surface faces to target paper, the conductive brush 12 outputs direct current to the inverter 15, the inverter 15 outputs alternating current to supply power to the projector 18, the acquisition camera 16, the infrared lamp 19 and the wireless router 17, the auxiliary target car 7 is provided with a target clamping rod 20, the target clamping rod 20 is provided with a target paper fixing plate 21, white target paper 22 is fixed on the target paper fixing plate 21 through a dovetail clamp and is fixed with the target paper fixing plate 21 to form a white paper screen for projection, mounting supports of the idler wheels 13 are welded and fixed on two symmetrical sides in the shell of the projection acquisition target car 4, the four idler wheels 13 are in micro contact with the side surface of the track 5, the idler wheels 13 enable the target car to be always parallel to the axial direction of the track, the two ends of the track 5 are provided with the anti-collision rubber blocks 2 which are used as buffers, the target car stops through the anti-collision rubber piece, prevents that the target car from rushing out the track end, causes equipment damage.
The implementation process of the target scoring system is as follows: set for the operational parameter of target car through shooting hand end touch screen computer 9 to send the movement instruction, pull drive arrangement 1 and accept the instruction through wireless network, it passes through to shoot hand end touch screen computer 9 the wireless function of throwing the screen of projecting apparatus 18 in the projection collection target car 4, with shooting target projection at supplementary target car 7 on white target paper 22, whole target surface is shone to infrared lamp 19, gather camera 16 and catch the target surface image, gather camera 16 and pass through the light filter after filtering natural light and projection picture, only gather the white target surface region that the infrared lamp shines down.
When a shooter shoots live ammunition, when a bullet passes through the white target paper 22, a hole is left on the paper, under the irradiation of infrared light, the hole is black in a picture of the acquisition camera, an acquisition picture signal is transmitted to the shooter-side touch screen computer 9 through a wireless network, a computer acquisition program calculates the coordinate position of the black hole in the acquisition picture, and the coordinate is compared with a target position in a projection picture, so that the live ammunition target reporting function can be realized.
When the shooter laser gun simulates shooting, the laser gun leaves an infrared invisible laser spot on the white target paper 22. The acquisition camera 16 acquires laser points, the laser points are transmitted to the shooter touch screen computer 9 through a wireless network, and the computer displays the impact points of bullets on the target paper, so that the simulation target scoring function is realized.
The calculation method of the target scoring system comprises the following steps: after the computer is started, modeling is carried out on an initial picture of the acquisition camera 16, a gray level image is acquired, a new frame image is continuously acquired in a period of 40ms, pixel difference comparison is carried out on the new frame image and a previous frame image, Gaussian blur processing is carried out on the gray level image in the comparison process, after image pixel value subtraction, a proper threshold value is automatically adjusted to obtain a proper gray level image, contour detection is used for judging a contour with a proper size to be an elastic hole, the center of a set except the current contour point is calculated, the coordinates of the elastic hole are determined and stored, when a new elastic hole appears, the pixel difference possibly exists between the previous frame and the next frame of the original elastic hole, the original elastic hole is filtered through the previously stored elastic hole coordinates, and the newly appearing elastic hole coordinates are reserved.
The threshold value operation is:
if the intensity of the pixel src (x, y) is above the threshold (thresh), the new pixel intensity will be set to (MaxVal). Otherwise, the pixel is set to (0), resulting in the following FIG. 7:
the two-dimensional gaussian equation is:
where μ is the mean, i.e., peak, and σ represents the variance, i.e., sum of each variable.
The invention makes the rail-mounted hanging mobile shooting target rich and multimedia, the shooting target with automatic target reporting function has various requirements of shooting training, competition and entertainment, the target vehicle can run to the desired shooting distance, the shooting efficiency is improved, the material consumption is less, and the target can be reported only by one piece of target paper; the system has the common advantages of the suspended target scoring device and the multimedia projection target, the shooting score can be displayed in real time, the shooter can correct the shooting posture of the shooter in real time and aim, the training efficiency is improved, and the watching television can also enable the external watching personnel to synchronously watch the score.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an automatic target scoring system of track suspension type projection, includes suspension type track (5) at the shooting range top through hoist and mount subassembly (3) hoist and mount, its characterized in that: the projection acquisition target vehicle (4) and the auxiliary target vehicle (7) are fixedly connected through a connecting square pipe (10) and then hung on the track (5) through a roller (11), the projection acquisition target vehicle (4) and the auxiliary target vehicle (7) are pulled by a steel wire rope traction driving device (1) arranged on one side of the track (5) to reciprocate back and forth, conductive strips (6) continuously penetrating through the track are installed on two sides of the track (5), a conductive brush (12) for acquiring 24V direct current on the conductive strips (6) is arranged in the projection acquisition target vehicle (4), a proximity switch (8) is installed on the track (5), an acquisition camera (16), a projector (18), an infrared lamp (19) and a 220V-to-24V inverter (15) are arranged in the projection acquisition target vehicle (4), the acquisition camera (16) is in wired connection with a wireless router (17) through a network cable, the wireless router (17) is connected with the projector (18) and the shooting end touch screen computer (9) through a wireless local area network, the shooting end touch screen computer (9) is installed on the side surface of the target position target shed, a target car bulletproof plate (14) is arranged on the bullet-facing surface of the projection acquisition target car (4), the conductive brush (12) outputs direct current to the inverter (15), the inverter (15) outputs alternating current to supply power to the projector (18), the acquisition camera (16), the infrared lamp (19) and the wireless router (17), a target clamping rod (20) is arranged on the auxiliary target vehicle (7), a target paper fixing plate (21) is arranged on the target clamping rod (20), and fixing the white target paper (22) and the target paper fixing plate (21) on the target paper fixing plate (21) through a dovetail clamp to form a white paper screen for projection.
2. The rail-mounted projection automatic target scoring system of claim 1, wherein: the mounting supports of the idler wheels (13) are welded and fixed on two symmetrical sides inside the shell of the projection acquisition target vehicle (4), and the four idler wheels (13) are in micro contact with the side face of the track (5).
3. The rail-mounted projection automatic target scoring system of claim 1, wherein: and anti-collision rubber blocks (2) are arranged at the two ends of the track (5).
4. The rail-mounted projection automatic target scoring system of claim 1, wherein: the implementation process of the target scoring system is as follows: penetrate hand end touch screen computer (9) and pass through the wireless screen projection function of projecting apparatus (18) in the target car (4) is gathered in the projection, with shooting target projection in supplementary target car (7) on white target paper (22), whole target surface is shone in infrared lamp (19), gather camera (16) and catch the target surface image, when the bullet passes white target paper (22) can leave black hole or laser gun and leave the laser point on white target paper (22), gather the picture and pass through wireless router (17) transmit for penetrate hand end touch screen computer (9) control software, realize the newspaper target function through calculating bullet point coordinate.
5. The rail-mounted projection automatic target scoring system of claim 4, wherein: the calculation method comprises the following steps: after a computer is started, modeling an initial picture of an acquisition camera (16), acquiring a gray image, continuously acquiring a new frame image in a period of 40ms, comparing the pixel difference with a previous frame image, performing Gaussian blur processing on the gray image in the comparison process, automatically adjusting a proper threshold value to obtain a proper gray image after subtracting the pixel values of the images, judging a contour with a proper size as a bullet hole by using contour detection, calculating the center of a set except the current contour point, determining the coordinates of the bullet hole, storing the coordinates, filtering the original bullet hole by using the previously stored coordinates of the bullet hole, and retaining the coordinates of the newly appeared bullet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011230418.3A CN112179214A (en) | 2020-11-06 | 2020-11-06 | Automatic target scoring system of track suspension type projection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011230418.3A CN112179214A (en) | 2020-11-06 | 2020-11-06 | Automatic target scoring system of track suspension type projection |
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| CN112179214A true CN112179214A (en) | 2021-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284188A (en) * | 2021-05-10 | 2021-08-20 | 西安理工大学 | Thermal infrared target scoring system and calibration method thereof |
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2020
- 2020-11-06 CN CN202011230418.3A patent/CN112179214A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284188A (en) * | 2021-05-10 | 2021-08-20 | 西安理工大学 | Thermal infrared target scoring system and calibration method thereof |
| CN113284188B (en) * | 2021-05-10 | 2024-02-02 | 西安理工大学 | Thermal infrared target reporting system and calibration method thereof |
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