CN213300976U

CN213300976U - Shooting training system based on laser array

Info

Publication number: CN213300976U
Application number: CN201921178931.5U
Authority: CN
Inventors: 杨蕊; 殷佳涛; 闫家浩; 邱杨; 陈浩; 陈靖; 于元泽江
Original assignee: Academy of Armored Forces of PLA
Current assignee: Academy of Armored Forces of PLA
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2021-05-28
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a shooting training system based on laser array, including control system, live-action projectile laser target system and aiming point image capture system. The utility model has the advantages that: 1. the bullet is accurately positioned by analyzing the plane emission angle of the laser beam; 2. the position of the aiming point can be captured and a large amount of data can be collected, so that scientific data support is provided for the shooting level of a shooter; 3. the change mode of the aiming track can be analyzed at certain precision by an image processing mode; 4. the manufacturing cost of the automatic target indicator can be reduced.

Description

Shooting training system based on laser array

Technical Field

The utility model relates to a when daily shooting training, through the improvement to automatic target indicating device single function, especially relate to the training system who carries out data acquisition and provide scientific support for the shooter to the aiming point position for improve shooter shooting training level.

Background

The existing system for daily shooting training cannot capture the position of an aiming point; a large amount of data of the shooting training aiming point and the shooting point cannot be collected, and a scientific relation cannot be established between the shooting training aiming point and the shooting point; the shot cannot be accurately positioned, the change mode of the aiming track cannot be acquired and analyzed at certain precision, and the operation cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the novel shooting training system can provide a large amount of scientific data support for a shooter and is low in running cost, specific data relation between the target aiming point and the impact point during shooting training is established, and data support and visual support can be provided.

The utility model discloses a solve the technical scheme that above-mentioned technical problem provided and be: a laser array based gunnery training system, comprising: a control system, a live action laser target system, and an aiming point image capture system.

The live ammunition laser system uses high-precision laser emission and a high-precision laser receiver, laser arrays with different densities are built on a target surface according to different ammunition diameters, a coordinate positioning method is adopted to accurately measure the position of the bullet passing through the target surface, and the deviation amount of the bullet deviating from the center is obtained, so that accurate shooting scores are obtained.

The light target system consists of two target surfaces, namely a laser array target (namely a lower target surface) and an aiming point capturing target (namely an upper target surface), wherein the laser array target is formed by interlacing a plurality of parallel laser beams in the horizontal direction and the vertical direction, the laser beams emitted by the laser diodes are correspondingly received by the photodiodes one by one, and the target surfaces are positioned at the normal positions of the shooting targets. Aiming point capture target is that aiming point image capture system scans the target surface through the camera to obtain the track picture data of certain pixel, and the target surface is located above the laser array target and is detachable.

Furthermore, the aiming point image capturing system acquires an aiming point laser signal emitted by a shooting end through a CCD camera, and then performs image analysis and processing through OpenCV to obtain the movement track data of the aiming point of the gun before firing the live ammunition.

Drawings

The shooting training system based on laser array of the present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of an optical target system and an aiming point image capturing system in a shooting training system based on a laser array, wherein: a laser diode on the gun (not shown); a CCD camera 1; an upper target surface 2; a lower target surface 3; a photodiode 4 and a laser diode 5.

Detailed Description

A laser diode (not shown) mounted on the gun is in a firing state and the emitted laser beam is coaxial with the three points and a line of the sighting target of the gun.

Before the shooting starts, a lower computer (not shown) beside the shooter receives the command, and the lower target surface 3 is in a working state. During the aiming process of the shooter, a laser diode (not labeled) arranged on the gun is in a transmitting state, and a transmitted laser beam is in a coaxial state with three points and a line of the collimation target hole of the gun.

The target plate is divided into an upper part and a lower part: an upper target surface 2 and a lower target surface 3. The upper target surface 2 collects laser beam signals emitted by a laser diode (not marked) on the gun through the CCD camera 1, and fine image processing is carried out through opencv to obtain an aiming track in the aiming process. The lower target surface 3 is composed of a photodiode 4 and a laser array emitted by a laser diode 5, the position of the bullet shooting can be accurately captured, and the laser array is intercepted by the bullet at the moment when the bullet passes through the lower target surface 3, so that the laser diode 5 outputs a pulse signal. The signal can determine the position of the bullet passing through the target surface through detection and judgment to obtain the coordinates of the impact point, and the number of rings and the deviation data of the bullet on the target surface can be obtained through data processing. And then the shooting angle is adjusted by comparing the shooting points obtained from the lower target surface 3 with the aiming tracks obtained from the upper target surface 2, thereby improving the shooting result.

According to the utility model discloses an embodiment:

(1) deviation of a line of three points of a gun target hole collimation point and a line of laser beams emitted by laser diodes on the gun aiming at the target center position.

By adopting the semiconductor laser, the diameter and the geometric center position of the facula of the laser beam on different distances can be obtained by measuring and analyzing the emission angle of the semiconductor laser. In measuring the emission angle of the selected semiconductor laser emitter, a 20cm × 20cm white board is installed at a specified position of 10 m, and the white board is divided into vertical and horizontal coordinate lines with a distance of 1cm, and the light spots obtained by the laser beam emitted from the same position are analyzed a plurality of times to obtain the following data:

(2) determination and analysis of coordinates of impact points of firing practice projectiles

During the analysis, the position signal obtained by processing the water bullet gun simulation laser array on the market and the position on the actual target surface are used for measurement and analysis, and the following data are obtained:

by means of deviation of the two, the position of the shot captured by the laser array is within an error allowable range and within a live shot range.

(3) Analyzing image pixel data collected by CCD camera

a) The position data of the laser beam and the actual position data of the laser beam acquired and processed by the CCD camera are measured and analyzed to obtain the following data:

b) The image superposition analysis is carried out on the image collected by the CCD camera, and the data are obtained as follows:

number of experiments	Actual aiming trajectory	Standard aiming track	Distance L (m)
				10	Circular track eccentricity is severe	9 inner circle of ring	10
10	Circular ring trajectory is deviated from left and floats upwards	9 inner circle of ring	17.5
				10	Circular ring track is inclined to right and is floated down	9 inner circle of ring	17.5
10	Large radius of circular track	9 inner circle of ring	20

The utility model discloses a not be limited to above-mentioned embodiment, the technical scheme of above-mentioned each embodiment can the cross combination form new technical scheme each other, and all adopt the technical scheme who equates the replacement formation in addition all to fall into the utility model discloses the required protection within range.

Claims

1. The utility model provides a shooting training system based on laser array, includes CCD camera (1), goes up target surface (2) and target surface (3) down, CCD camera (1) is installed in last target surface (2) top, a series of photodiode (4) and laser diode (5) are installed all around to target surface (3) down.

2. The laser array based gunnery training system of claim 1, wherein: the CCD camera (1) aims at the upper target surface (2), a laser diode on the gun emits low-loss laser beams to irradiate on the upper target surface (2), the CCD camera (1) collects the laser beam signals, and fine image processing is carried out through opencv to obtain an aiming track in the aiming process.

3. The laser array based gunnery training system of claim 1, wherein: the lower target surface (3) is composed of a laser array emitted by a series of staggered photodiodes (4) and laser diodes (5) in the horizontal direction and the vertical direction.

4. The laser array based gunnery training system of claim 3, wherein: the laser beams emitted by the laser diodes (5) are received by the photodiodes (4) in a one-to-one correspondence manner.