Fusion type target rising and falling machine based on characteristic chirality

Abstract

The invention discloses a fusion type target rising and falling machine based on characteristic chirality, which belongs to the technical field of target machine design and automatic control, and comprises a target mechanism, a photoelectric sensor, an overturning control mechanism and a supporting mechanism, the target mechanism comprises a driving paper changing assembly and a driven paper changing assembly and is used for automatically changing the target paper according to the instantaneous thickness of the roll paper after the target paper is hit; the photoelectric sensor is used for detecting whether the target sheet is hit or not and measuring the hit position of the bullet hole on the target sheet; the overturning control mechanism comprises a comprehensive controller and a power supply, and is used for quickly calculating the number of hit rings based on characteristic chirality according to the hit position of the bullet hole on the target paper to carry out automatic target scoring, calculating the instantaneous thickness of the roll paper and controlling the target mechanism to automatically replace the target paper and lift or overturn; the supporting mechanism is used for supporting the target mechanism, the photoelectric sensor and the turnover control mechanism. The problems that in the prior art, a target drone is complex in structure, semi-automatic, limited in interaction capacity, insufficient in protection measure and poor in flexibility are solved.

Description

Technical Field

[0001] The invention relates to a fusion type lifting and lowering target drone based on characteristic chirality, belonging to the technical field of target drone design and automatic control. Background Art

[0002] Target drones are widely used in military training, police training, sports competitions and other fields to simulate shooting training in actual combat environments. Target drones can be designed in various forms such as static, mobile or lifting and falling according to different needs. Among them, the lifting and falling target drone is a target drone that can automatically flip over after shooting to simulate the disappearance of the target. It usually includes a support structure, a drive device, a flipping mechanism, etc. The flipping mechanism is controlled by the drive device to realize the automatic flipping action of the target.

[0003] The structure of traditional drones is relatively complex, which makes assembly, maintenance and transportation inconvenient. For example, in order to realize the automatic replacement of target paper, some automatic target changers have set up complex transmission mechanisms, which increases the failure points. Although there are some automated drones on the market, their degree of automation still needs to be improved. For example, some automatic target changers still require manual intervention to replace or adjust the target paper. Most drones can only perform simple tasks and lack the ability to provide information feedback to the shooter. For example, although some drones can realize automatic target reporting, there are still deficiencies in the accuracy and timeliness of target reporting. At the same time, the target drones use complex algorithms when calculating, consume high computing resources, and have low target reporting efficiency. Although some drones take the safety of shooters and other personnel into consideration when designing, they do not provide safety protection for the key structures and parts of the drones, and the drones are at risk of being penetrated or damaged.

[0004] Therefore, although the existing target drones have met the needs of shooting training to a certain extent, they still have problems such as complex structure, low degree of automation, limited interactive capabilities, and poor flexibility. Summary of the invention

[0005] The purpose of the present invention is to provide a fusion type raising and lowering target machine based on characteristic chirality, which can automatically report the target according to the hitting position of the bullet hole on the target paper, quickly calculate the hitting ring number based on the characteristic chirality, calculate the instantaneous thickness of the roll paper and control the target mechanism to automatically change the target paper and raise and lower or flip it, so as to solve the problems of complex target machine structure, semi-automation, limited interactive ability, insufficient protective measures and poor flexibility in traditional technology.

[0006] In order to solve the above technical problems, the present invention is implemented by adopting the following technical solutions.

[0007] The present invention provides a fusion type lifting and falling target machine based on characteristic chirality, comprising a target mechanism, a photoelectric sensor, a turning control mechanism and a supporting mechanism;

[0008] The target mechanism includes an active paper changing assembly and a passive paper changing assembly connected to the active paper changing assembly through target paper, which is used to provide a shooting target and automatically change the target paper according to the instantaneous thickness of the roll paper after the target paper is hit;

[0009] The photoelectric sensor is used to detect whether the target paper is hit and to measure the hitting position of the bullet hole on the target paper;

[0010] The flip control mechanism includes an integrated controller and a power supply, which is used to automatically report the target according to the hit position of the bullet hole on the target paper, quickly calculate the hit ring number based on the characteristic chirality, calculate the instantaneous thickness of the roll paper, and control the target mechanism to automatically replace the target paper and rise and fall or flip;

[0011] The supporting mechanism is used to support the target mechanism, the photoelectric sensor and the flip control mechanism.

[0012] Furthermore, the active paper changing assembly includes: a motor shaft, a power shaft, a first shaft core, a first paper shaft, a first damping rubber wheel, a first driven shaft, a sliding groove and a pressure spring; the motor shaft is located on the support frame of the support mechanism, the motor shaft is electrically connected to the power shaft, the first shaft core is nested on the power shaft, the first shaft core is provided with a first paper shaft, the first paper shaft is in close contact with the first damping rubber wheel, and the motor shaft drives the first paper shaft to rotate without sliding when working, the first damping rubber wheel is sleeved on the first driven shaft, both ends of the first driven shaft are arranged on the sliding groove, the sliding groove is provided with the pressure spring, and the first driven shaft is provided with a left lap counting wheel and a right lap counting wheel.

[0013] Furthermore, the driven paper changing assembly includes: a non-powered shaft, a second shaft core, a second paper shaft, a second damping rubber wheel, a second driven shaft, a sliding groove and a pressure spring, the non-powered shaft is located on the small triangular support of the support mechanism, the second shaft core is nested on the non-powered shaft, the second shaft core is provided with the second paper shaft, the second paper shaft is in close contact with the second damping rubber wheel, the second damping rubber wheel is sleeved on the second driven shaft, both ends of the second driven shaft are arranged on the sliding groove, the sliding groove is provided with the pressure spring, and the pressure spring slides along the sliding groove in cooperation with the active paper changing assembly according to the instantaneous thickness of the paper roll.

[0014] Further, the target mechanism also includes: two upper rods, an upper bulletproof plate, a middle bulletproof plate and an upper shielding plate;

[0015] The two upper rods are respectively located on both sides of the target paper and are downwardly connected to the lower rod of the flip control mechanism. The upper and lower ends of the target paper are respectively provided with an upper bulletproof plate and a middle bulletproof plate, which form a square structure with the upper rods on both sides of the target paper to protect the target mechanism.

[0016] The upper shielding plate is fastened by a small triangular support arranged on the side of the two upper rods away from the shooting direction. The width of the upper shielding plate is greater than the sum of the diameter of the first damping rubber wheel and the diameter of the first paper shaft, and is used to protect unused target paper.

[0017] Furthermore, a photoelectric sensor seat (26) with a small S-shaped structure is provided on the side of the S-shaped structure away from the shooting direction, and the photoelectric sensor is located on the photoelectric sensor seat, wherein the photoelectric gate (38) is arranged below the target paper (1).

[0018] Furthermore, the support mechanism includes a support frame, a support platform, a small triangular support and a large triangular support;

[0019] The support frame is mounted on the support platform and is used to provide stable support for the motor shaft;

[0020] The support platform is connected to the middle bulletproof plate and is used to support the target mechanism;

[0021] The small triangular support is arranged on the side of the two upper rods away from the shooting direction and is used to fasten the upper shielding plate;

[0022] The large triangular support is located at the upper end of the lower rod and is used to bear the mass of the target mechanism, the paper changing mechanism and the photoelectric sensor.

[0023] Furthermore, an antenna is provided above the integrated controller, through which data obtained by quickly calculating the number of hit rings based on characteristic chirality and automatically reporting the target is transmitted to the shooter.

[0024] Further, the flip control mechanism also includes a base, a flip mechanism, a lower rod and a lower bulletproof plate;

[0025] A groove is provided on the upper portion of the base (31), and the integrated controller (3) and the power supply (4) are placed in sequence in the groove. A stopper (33) is provided on the outer edge of the groove to prevent the integrated controller (3) and the power supply (4) from slipping off during shooting;

[0026] The flipping mechanism is connected to the lower rod, and is arranged on the upper side of the base away from the groove direction, and is used to make the lower rod and the target mechanism rise and fall or flip;

[0027] The lower bulletproof plate is hung on a buckle arranged on the side of the base facing the shooting direction. The height of the lower bulletproof plate is slightly larger than the sum of the heights of the flipping mechanism and the base, and is used to protect the flipping control mechanism. A hook adapted to the buckle is provided on the side of the lower bulletproof plate away from the shooting direction, which is used to fix the lower bulletproof plate.

[0028] Furthermore, the target paper and the blank paper are arranged in the first paper shaft, wherein the method for calculating the instantaneous thickness of the rolled paper includes:

[0029] According to the total number and length of blank papers and target papers in the first paper shaft, the total length of the unused paper shaft is obtained;

[0030] According to the lengths of the blank paper and the target paper in the first paper shaft, the distance of the target paper that needs to be moved when replacing a target paper is obtained;

[0031] According to the radius of the first damping rubber wheel and the radius of the second damping rubber wheel, the number of revolutions that the first damping rubber wheel and the second damping rubber wheel need to rotate when replacing a target paper is obtained;

[0032] According to the number of revolutions required for the first damping rubber wheel and the second damping rubber wheel, an average value of the number of revolutions of the left lap counting wheel and the number of revolutions of the right lap counting wheel is obtained;

[0033] Obtaining a constraint condition for the total length of the paper shaft not unfolded based on an average of the number of revolutions of the left lap counter wheel and the right lap counter wheel and a distance of one revolution of the first damping rubber wheel and the first damping rubber wheel;

[0034] The first paper shaft is compared to a cylinder including a plurality of concentric cylinders, and the outer diameter of the first paper shaft is obtained according to the radius of the first paper shaft and the instantaneous thickness of the paper roll;

[0035] Based on the constraint condition of the total length of the unused paper shaft, and according to the total length of the unused paper shaft and the radius and outer diameter of the first paper shaft (8), a volume formula of the first paper shaft is obtained;

[0036] Integrate the volume formula of the first paper axis, ignore the square term containing the instantaneous thickness of the paper roll, and obtain the calculation formula for the instantaneous thickness of the paper roll;

[0037] The instantaneous thickness of the roll paper is obtained according to the calculation formula of the instantaneous thickness of the roll paper.

[0038] Furthermore, the method of quickly calculating the number of hit rings based on the characteristic chirality according to the hit position of the bullet hole on the target paper includes:

[0039] Get the bull's-eye of the target paper as the origin and define a two-dimensional coordinate system;

[0040] In the two-dimensional coordinate system, the target paper annular region in the first quadrant is defined as a positive chirality region, and the target paper annular regions in the second quadrant, the third quadrant, and the fourth quadrant are defined as negative chirality regions;

[0041] Based on the polar coordinate or rectangular coordinate system, the polar coordinate distance or rectangular coordinate distance corresponding to different numbers of rings is determined according to the distance between the photoelectric gate position corresponding to the bull's eye and the photoelectric gate position corresponding to the hit position in the first quadrant;

[0042] For the hit position in the first quadrant, the distance from the hit position to the origin is compared with the distances corresponding to the preset numbers of each ring to obtain the forehanded ring number;

[0043] For the hit positions in the second quadrant, the third quadrant and the fourth quadrant, they are transformed to the corresponding positions in the first quadrant by flipping, mapping or symmetry, and the distances from the corresponding positions in the first quadrant to the origin are compared with the distances corresponding to the preset ring numbers to obtain the negative chiral ring number;

[0044] The number of positive chiral rings and the number of negative chiral rings are added together to obtain the number of hit rings.

[0045] Compared with the prior art, the present invention has the following beneficial effects:

[0046] 1. The present invention realizes the full automation of shooting training by integrating the target mechanism, photoelectric sensor, flip control mechanism and support mechanism. The target mechanism provided by the present invention can automatically replace the target paper to ensure the continuity of shooting training, and the photoelectric sensor can detect in real time whether the target paper is hit and the specific location of the bullet hole. The present invention also uses photoelectric sensors and characteristic chirality technology to quickly and accurately calculate the location of the bullet hole according to the hit position and automatically report the target, which not only improves the accuracy of the score calculation, but also greatly shortens the time of score feedback, so that the shooter can immediately understand his shooting performance. The shooter can adjust the shooting posture and strength in a targeted manner according to the feedback results, thereby improving the efficiency and effect of shooting training. The present invention also integrates the automatic replacement of target paper and the lifting and falling or flipping functions, which can simulate the situation of shooting at hidden targets and exposed targets. The diversified shooting simulation functions help shooters adapt to different shooting environments and improve shooting skills and adaptability.

[0047] 2. The present invention defines each annular area of ​​the target paper as an object with specific chiral characteristics, thereby achieving multiple optimizations and intelligent enhancements of the shooting training system, simplifying the amount of calculation and storage, and transforming the number of negative chiral rings in the second, third, and fourth quadrants to the corresponding positions in the first quadrant by flipping, mapping, symmetry, etc., greatly reducing the complexity of the system. At the same time, the present invention uses chiral characteristics to analyze the distribution of shooting results on the target paper and defines positive and negative chiral areas. It can not only calculate the number of hit rings, but also evaluate the uniformity and accuracy of shooting results, providing shooters with detailed shooting skill feedback. In addition,

[0048] 3. The present invention can also flexibly adapt to a variety of target paper designs and sensor layouts. Even in the face of complex situations such as the photoelectric sensor and the target paper ring center not coinciding, and some rings on the target paper being missing, the accuracy and effectiveness of the shooting performance analysis can be ensured by setting the chirality value. This not only improves the efficiency and accuracy of shooting training, but also provides shooters with personalized training guidance and improvement space, which is a major advancement in the field of shooting training.

[0049] 4. The present invention improves the protection of the integrated target lifting and lowering machine equipment by adding upper, middle and lower bulletproof plates and an upper shielding plate, which can effectively prevent the shooter from damaging the key parts of the target mechanism during the shooting process, thereby increasing the service life of the target lifting and lowering machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 The figure shows a lateral stereoscopic structural schematic diagram of a fusion-type lifting and lowering target machine in an upright state based on characteristic chirality provided by an embodiment of the present invention;

[0051] Figure 2 The figure shows a side view of a fusion-type lifting and lowering target machine in an upright state based on characteristic chirality provided by an embodiment of the present invention;

[0052] Figure 3 The figure shows a schematic diagram of the rear-view stereoscopic structure of a fusion-type target lifting and lowering drone based on characteristic chirality provided by an embodiment of the present invention;

[0053] Figure 4 The figure shows an exploded view of a shooting area of ​​a fusion-type lifting and lowering target drone based on characteristic chirality provided by an embodiment of the present invention;

[0054] Figure 5 The figure shows a three-dimensional structural diagram of a shooting area of ​​a fusion-type lifting and lowering target machine based on characteristic chirality provided by an embodiment of the present invention;

[0055] Figure 6 The figure shows a side view of a flat state of a fusion-type lifting and lowering target machine based on characteristic chirality provided by an embodiment of the present invention;

[0056] Figure 7 The figure shows a schematic diagram of the lateral stereoscopic structure of a flat-lying state of a fusion-type lifting and lowering target machine based on characteristic chirality provided by an embodiment of the present invention.

[0057] Figure numerals: 1-target paper; 2-photoelectric sensor; 3-integrated controller; 4-power supply; 5-motor shaft; 6-power shaft; 7-first shaft core; 8-first paper shaft; 9-first damping rubber wheel; 10-first driven shaft; 11-sliding groove; 12-pressure spring; 13-left lap counting wheel; 14-right lap counting wheel; 15-non-power shaft; 16-second shaft core; 17-second paper shaft; 18-second damping rubber wheel; 19-second driven shaft; 20- Upper rod; 21-upper bulletproof plate; 22-middle bulletproof plate; 23-upper shielding plate; 24-lower rod; 25-small triangular support; 26-photoelectric sensor seat; 27-support frame; 28-support platform; 29-large triangular support; 30-antenna; 31-base; 32-lower bulletproof plate; 33-limiter; 34-clip; 35-hook; 36-flip mechanism; 37-handle; 38-photoelectric door; 39-connecting column; 40-base. DETAILED DESCRIPTION

[0058] The technical solution of the present invention is described in detail below through the accompanying drawings and specific embodiments. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solution of the present invention, rather than limitations on the technical solution of the present invention. The embodiments of the present invention and the technical features in the embodiments may be combined with each other unless there is a conflict.

[0059] The term "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " generally indicates that the associated objects are in an "or" relationship.

[0060] Example 1

[0061] This embodiment introduces a fusion-type lifting and falling target machine based on characteristic chirality, including: a target mechanism, a photoelectric sensor 2, a flipping control mechanism and a supporting mechanism.

[0062] The target mechanism comprises an active paper changing assembly and a passive paper changing assembly connected to the active paper changing assembly via a target paper 1, which is used to provide a shooting target and automatically change the target paper according to the instantaneous thickness of the roll paper after the target paper is hit.

[0063] Reference Figure 1 , Figure 3 and Figure 4 In this embodiment, the active paper changing assembly includes: a motor shaft 5, a power shaft 6, a first shaft core 7, a first paper shaft 8, a first damping rubber wheel 9, a first driven shaft 10, a sliding groove 11 and a pressure spring 12.

[0064] The motor shaft 5 is located on the support frame 27 of the support mechanism, and the motor shaft 5 is electrically connected to the power shaft 6. The first shaft core 7 is nested on the power shaft 6, and the first shaft core 7 is provided with a first paper shaft 8. The first paper shaft 8 is in close contact with the first damping rubber wheel 9. When the motor shaft 5 is working, it drives the first paper shaft 8 to rotate without sliding. There is a fit between the first paper shaft 8 and the first damping rubber wheel 9, the linear speed is the same, and the contact points remain one-to-one corresponding. The first damping rubber wheel 9 is sleeved on the first driven shaft 10, and the two ends of the first driven shaft 10 are installed on the sliding groove 11. The sliding groove 11 is provided with the pressure spring 12, and the pressure spring 12 can slide along the sliding groove to ensure that the first paper shaft 8 is always in close contact with the first damping rubber wheel 9.

[0065] In this embodiment, the driven paper changing assembly includes a non-powered shaft 15 , a second shaft core 16 , a second paper shaft 17 , a second damping rubber wheel 18 , a second driven shaft 19 , a sliding slot 11 and a pressure spring 12 .

[0066] The non-powered shaft 15 is located on the small triangular support 25 of the support mechanism, the non-powered shaft 15 is embedded with the second shaft core 16, the second shaft core 16 is provided with the second paper shaft 17, the second paper shaft 17 is in close contact with the second damping rubber wheel 18, the second damping rubber wheel 18 is sleeved on the second driven shaft 19, the two ends of the second driven shaft 19 are arranged on the sliding groove 11, the sliding groove 11 is provided with the pressure spring 12, the pressure spring 12 can slide along the sliding groove, and can ensure that the second paper shaft 17 is always in close contact with the second damping rubber wheel 18. The pressure spring 12 slides along the sliding groove 11 in cooperation with the active paper changing assembly according to the instantaneous thickness of the roll paper.

[0067] In this embodiment, the target mechanism further includes two upper rods 20 , an upper bulletproof plate 21 , a middle bulletproof plate 22 and an upper shielding plate 23 .

[0068] The two upper rods 20 are respectively located on both sides of the target paper 1, and are connected downwardly to the lower rod 24 of the flip control mechanism. The upper and lower ends of the target paper 1 are respectively provided with an upper bulletproof plate 21 and a middle bulletproof plate 22, which together with the upper rods 20 on both sides of the target paper 1 form a square structure for protecting the target mechanism. Among them, the height of the upper bulletproof plate 21 is greater than the diameter of the second paper shaft 17, ensuring that the second paper shaft 17 is not penetrated.

[0069] The upper shielding plate 23 is fastened by a small triangular support 25 arranged on the side of the two upper rods 20 away from the shooting direction. The width of the upper shielding plate 23 is greater than the sum of the diameters of the first damping rubber wheel 9 and the first paper shaft 8. It is used to protect unused target paper and can prevent damage to unused target paper in bad weather, while preventing bullets from above from damaging the unused target paper.

[0070] The photoelectric sensor 2 is used to detect whether the target paper 1 is hit and to measure the hitting position of the bullet hole on the target paper 1 .

[0071] Reference Figure 1 , Figure 4 and Figure 5 In this embodiment, a photoelectric sensor seat 26 of a small-shaped structure is provided on the side of the square-shaped structure away from the shooting direction, and the photoelectric sensor 2 is located on the photoelectric sensor seat 26, wherein the photoelectric gate 38 is arranged below the target paper 1. In this embodiment, a left circle counting wheel 13 and a right circle counting wheel 14 are also provided on the first driven shaft 10, and the photoelectric gate 38 can detect the number of revolutions of the circle counting wheel, and calculate the distance moved by the target paper according to the number of revolutions of the left circle counting wheel 13 and the right circle counting wheel 14, and then when the target paper is automatically replaced, the target paper is moved by an accurate length by rotating the correct number of revolutions.

[0072] The flipping control mechanism includes an integrated controller 3 and a power supply 4, which are used to automatically report the target according to the hitting position of the bullet hole on the target paper 1, quickly calculate the number of hitting rings based on the characteristic chirality, calculate the instantaneous thickness of the roll paper, and control the target mechanism to automatically replace the target paper 1 and rise and fall or flip it.

[0073] Reference Figure 2 , Figure 3 , Figure 7 In this embodiment, the number of circles of the target paper that is automatically replaced is controlled by the integrated controller 3. The integrated controller 3 quickly calculates the number of hit rings based on the hit position of the bullet hole on the target paper 1 measured by the photoelectric sensor 2 using the characteristic chirality. Two antennas 30 are arranged in parallel above the integrated controller 3, and the calculated number of hit rings is automatically reported to the shooter end through the antenna 30.

[0074] In this embodiment, the flip control mechanism further includes a base 31 , a flip mechanism 36 , a lower rod 24 and a lower bulletproof plate 32 .

[0075] The upper part of the base 31 is provided with a groove, in which the integrated controller 3 and the power supply 4 are placed in sequence, and the outer edge of the groove is provided with a stopper 33 to prevent the integrated controller 3 and the power supply 4 from slipping during shooting. The side of the base 1 facing shooting is provided with two buckles 34 for hanging the lower bulletproof plate 32, and the base 1 is also provided with two flipping mechanisms 36, which are connected to the lower rod 24 and are arranged on the upper side of the base 31 away from the groove direction, and are used to make the lower rod 24 and the target mechanism realize 90° lifting or flipping from the upright state to the horizontal state, so as to realize the function of simulating shooting at hidden targets and exposed targets.

[0076] The lower bulletproof plate 32 is hung on the buckle 34 provided on the side of the base 31 facing the shooting direction. In some embodiments, the height of the lower bulletproof plate 32 is slightly greater than the sum of the heights of the flip mechanism 36 and the base 31, and is used to protect the flip control mechanism. In this embodiment, since a base and a connecting column are provided, the height of the lower bulletproof plate is slightly greater than the sum of the heights of the flip mechanism, the base, the connecting column and the base. When a bullet is fired forward from the fusion-type lifting and reversing target machine, the lower bulletproof plate can effectively protect the flip mechanism, the base, the connecting column and the base from being damaged by the bullet.

[0077] A hook 35 adapted to the buckle 34 is provided on one side of the lower bulletproof plate 32 away from the shooting direction, for fixing the lower bulletproof plate 32. Two grips 37 are also provided on the upper side of the lower bulletproof plate for carrying and installing the lower bulletproof plate 32.

[0078] The supporting mechanism is used to support the target mechanism, the photoelectric sensor 2 and the flip control mechanism.

[0079] Reference Figure 2 and Figure 6 In this embodiment, the support mechanism includes a support frame 27, a support platform 28, a small triangular support 25 and a large triangular support 29. The support frame 27 is mounted on the support platform 28 to provide a stable support for the motor shaft 5. The support platform 28 is connected to the middle bulletproof plate 22 to support the target mechanism; the small triangular support 25 is arranged on the side of the two upper rods 20 away from the shooting direction to fasten the upper shielding plate 23; the large triangular support 29 is located at the upper end of the lower rod 24 to bear the mass of the target mechanism, the paper changing mechanism and the photoelectric sensor 2.

[0080] Example 2

[0081] Based on the same inventive concept as that of Example 1, this example introduces the method for calculating the instantaneous thickness of the roll paper by the fusion-type lifting and lowering target machine based on characteristic chirality described in Example 1.

[0082] According to the total number and length of blank papers and target papers in the first paper shaft 8, the total length of the unrolled paper shaft is obtained.

[0083] In this embodiment, a roll of brand new unused paper shaft consists of target paper and blank paper, and there is a target paper in the middle of two blank papers, and there is a blank paper between the two target papers. The total length of the unused paper shaft after unfolding is expressed as:

[0084] (1);

[0085] In the formula, Indicates the total length of the paper without the paper axis. Indicates the total number of blank papers. Indicates the total number of target papers. Indicates the length of the blank paper. Indicates the length of the target paper.

[0086] According to the lengths of the blank paper and the target paper in the first paper shaft 8 , the distance of the target paper that needs to be moved when replacing a target paper is obtained.

[0087] In this embodiment, when replacing a target paper, the target paper distance that needs to be moved is expressed as:

[0088] (2);

[0089] In the formula, Indicates the distance the target paper needs to be moved when replacing a target paper.

[0090] According to the target paper distance that needs to be moved when replacing a target paper and the circumference of the first damping rubber wheel 9, the number of revolutions that the first damping rubber wheel 9 needs to rotate when replacing a target paper is obtained.

[0091] In this embodiment, the circumference of the first damping rubber wheel 9 is expressed as:

[0092] (3);

[0093] In the formula, represents the circumference of the first damping rubber wheel 9, Indicates the radius of the first damping rubber wheel 9.

[0094] In this embodiment, when replacing a target paper, the number of revolutions that the first damping rubber wheel 9 needs to rotate is expressed as:

[0095] (4);

[0096] In the formula, It indicates the number of revolutions that the first damping rubber wheel 9 needs to rotate when replacing a target paper.

[0097] In this embodiment, the radius of the second damping rubber wheel 18 is the same as the radius of the first damping rubber wheel 9. Similarly, the number of revolutions that the second damping rubber wheel 18 needs to rotate when replacing a target paper can be obtained.

[0098] According to the number of revolutions that the first damping rubber wheel 9 and the second damping rubber wheel 18 need to rotate, an average value of the number of revolutions of the left lap counter wheel 13 and the number of revolutions of the right lap counter wheel 14 is obtained.

[0099] In this embodiment, since the radius of the second damping rubber wheel 18 is the same as the radius of the first damping rubber wheel 9, when replacing a target paper, the number of times the second damping rubber wheel 18 needs to rotate is the same as the number of times the first damping rubber wheel 9 needs to rotate, so the average of the number of times the left lap counting wheel 13 rotates and the number of times the right lap counting wheel 14 rotates is the number of times the first damping rubber wheel 9 needs to rotate.

[0100] Based on the average number of revolutions of the left lap counter wheel 13 and the right lap counter wheel 14 and the distance of one revolution of the first damping rubber wheel 9 and the first damping rubber wheel 9, the constraint condition of the total length of the unrolled paper shaft is obtained.

[0101] In this embodiment, the constraint condition of the total length of the paper shaft not unfolded is expressed as:

[0102] (4);

[0103] The first paper shaft 8 is compared to a cylinder including a plurality of concentric cylinders, and the outer diameter of the first paper shaft 8 is obtained according to the radius of the first paper shaft 8 and the instantaneous thickness of the rolled paper;

[0104] (5);

[0105] In the formula, represents the outer diameter of the first paper shaft 8, represents the radius of the first paper axis 8, Indicates the instantaneous thickness of the roll paper.

[0106] Based on the constraint condition of the total length of the unrolled paper shaft, the volume formula of the first paper shaft 8 is obtained according to the total length of the unrolled paper shaft and the radius and outer diameter of the first paper shaft 8 .

[0107] In this embodiment, the volume formula of the first paper shaft 8 is expressed as:

[0108] V = 2 π L ∫ R R + h r ⋅ dr = 2 π L [ 1 2 r 2 ] R R + h (6);

[0109] In the formula, represents the volume of the first paper shaft 8, Represents differential.

[0110] Simplifying the volume formula of the first paper shaft 8, we can obtain:

[0111] (7);

[0112] When the instantaneous thickness h of the paper roll is very small, the square term containing the instantaneous thickness of the paper roll can be ignored when calculating the instantaneous thickness. .

[0113] In this embodiment, the square term containing the instantaneous thickness of the web is ignored. The volume formula of the first paper shaft 8 is expressed as:

[0114] (8);

[0115] Therefore, in this embodiment, the volume formula of the first paper shaft 8 is integrated, and the square term containing the instantaneous thickness of the roll paper is ignored to obtain the calculation formula of the instantaneous thickness of the roll paper, which is expressed as:

[0116] (9);

[0117] The instantaneous thickness of the roll paper is obtained according to the calculation formula of the instantaneous thickness of the roll paper.

[0118] Example 3

[0119] Based on the same inventive concept as other embodiments, this embodiment introduces a method for the fusion lift-and-fall target machine based on characteristic chirality described in Embodiment 1 to quickly calculate the number of hit rings based on the hit position of the bullet hole on the target paper based on the characteristic chirality.

[0120] In this embodiment, the bull's eye is used as a fixed reference point to define the coordinate system of the target paper. In the coordinate system of the target paper, each annular area of ​​the target paper is regarded as having a specific chiral characteristic. The characteristic chirality of the target paper is calculated by the following steps:

[0121] Step 1: Take the center of the target paper as the origin and define a two-dimensional coordinate system.

[0122] In natural and man-made objects, there is a unique property called chirality. Chirality describes the property that an object and its mirror image cannot be completely superimposed. This phenomenon is reflected in many disciplines such as biology, chemistry, and physics. For example, molecules in organisms often show chirality, and this chirality is crucial to the function of matter.

[0123] This embodiment applies characteristic chirality to target paper used for shooting training, especially the chest ring target. Since the chest ring target is in the shape of a person's upper body, it also has similar characteristics. This embodiment designs the bull's eye based on characteristic chirality to calculate the number of hits. While performing calculations around the bull's eye, the distribution characteristics of the shooting results can be analyzed. The chiral characteristics of the target paper are reflected in the asymmetry of the annular area around the bull's eye, which can not only help shooters better understand and analyze shooting results, but also optimize the existing calculation method, reduce the amount of data calculation when reporting targets, reduce the operating load of the integrated controller, and improve the speed and accuracy of reporting targets.

[0124] Step 2: Define the characteristic chirality value.

[0125] In a two-dimensional coordinate system, each annular area of ​​the target paper can be regarded as an object with a specific chirality characteristic. For example, the effective part of the target paper area that can be hit has positive chirality, and the ineffective part of the target paper area that can be hit has negative chirality.

[0126] In this embodiment, since the center of the small mouth-shaped structure formed by the photoelectric sensor does not coincide with the center of the target paper, the center of the target paper is located in the lower middle, lower than the center of the small mouth-shaped structure formed by the photoelectric sensor. At the same time, there is a vacant part in the ring of the portrait part on the target paper, so the target paper has characteristic chirality.

[0127] In the two-dimensional coordinate system of this embodiment, the target paper annular region in the first quadrant is defined as a positive chirality region, and the target paper annular regions in the second quadrant, the third quadrant, and the fourth quadrant are defined as negative chirality regions.

[0128] Step 3: Calculate the number of hit rings.

[0129] Characteristic chirality can be used to assess the uniformity and accuracy of shooting results. For example, if the shooting results are evenly distributed in different circular areas of the target paper, it indicates that the shooting skills are relatively balanced; otherwise, it may mean that additional training is needed in certain areas.

[0130] In this embodiment, the photoelectric gate position parameter corresponding to the center of the target is , the photogate position parameter corresponding to the hitting position in the first quadrant is , the distance between the photoelectric gate position corresponding to the bull's eye and the photoelectric gate position corresponding to the hit position in the first quadrant It is expressed as:

[0131] (10);

[0132] Based on the polar coordinate or rectangular coordinate system, the polar coordinate distance or rectangular coordinate distance corresponding to different numbers of rings is determined according to the distance between the photoelectric gate position corresponding to the bull's eye and the photoelectric gate position corresponding to the hit position in the first quadrant.

[0133] In this embodiment, the polar coordinate distances corresponding to different numbers of rings are expressed as:

[0134] (11);

[0135] In the formula, Indicates the polar coordinate distance corresponding to the number of hit rings; Indicates the target paper ring and Number of rings corresponding to the intersection of the axes The value of the ring The value range is , Indicates taking the absolute value.

[0136] For example, the first ring on the target paper from the inside to the outside is The number of rings corresponding to the intersection of the axes is 10, then is 10, then the polar coordinate distance of the ring from the center of the bull's eye is .

[0137] Furthermore, the distance from the hit position to the origin Polar coordinate distances corresponding to different numbers of rings Should meet:

[0138] (12);

[0139] In the formula, Indicates the number of hit rings.

[0140] For the hit position in the first quadrant, the distance from the hit position to the origin is compared with the distances corresponding to the preset ring numbers to obtain the forehand ring number. ;

[0141] The hitting positions in the second quadrant, the third quadrant and the fourth quadrant are transformed to the corresponding positions in the first quadrant by flipping, mapping or symmetry, and the distances from the corresponding positions in the first quadrant to the origin are used to replace the distances from the original corresponding positions of each ring number to the origin, thus forming a negative chiral ring number.

[0142] In this embodiment, the number of rings corresponding to the hit position in the second quadrant is ; Flip the hit position along the y-axis to the first quadrant, and get ;

[0143] The number of rings corresponding to the hit position in the third quadrant is ; The hit position is symmetrical to the first quadrant with the origin O as the center, and the negative chirality ring number is obtained ;

[0144] The number of rings corresponding to the hit position in the fourth quadrant is , flip the hit position along the x-axis to the first quadrant, and get the negative chiral ring number ;

[0145] The number of positive chiral rings and the number of negative chiral rings are added to obtain the number of hit rings. In this embodiment, the number of hit rings is expressed as:

[0146] (13);

[0147] In the formula, It indicates the number of negative chirality rings corresponding to the hit position in the second quadrant after flipping along the y-axis to the first quadrant; It represents the number of negative chirality rings corresponding to the hit position in the third quadrant after being symmetrically moved to the first quadrant with the origin O as the center; It indicates that the hit position in the fourth quadrant is flipped along the y-axis to the first quadrant, and the corresponding number of negative chiral rings; Negative chirality ring number , and sum.

[0148] In summary, the present invention realizes the full automation of shooting training by integrating the target mechanism, photoelectric sensor, flip control mechanism and support mechanism. The target mechanism provided by the present invention can automatically replace the target paper to ensure the continuity of shooting training, and the photoelectric sensor can detect in real time whether the target paper is hit and the specific position of the bullet hole. The present invention also uses photoelectric sensors and characteristic chirality technology to quickly and accurately calculate the position of the bullet hole according to the hit position and automatically report the target, which not only improves the accuracy of the score calculation, but also greatly shortens the time of score feedback, so that the shooter can immediately understand his shooting performance. The shooter can adjust the shooting posture and strength in a targeted manner according to the feedback results, thereby improving the efficiency and effect of shooting training. The present invention also integrates the automatic replacement of target paper and the lifting and falling or flipping functions, which can simulate the situation of shooting at hidden targets and exposed targets. The diversified shooting simulation functions help shooters adapt to different shooting environments and improve shooting skills and adaptability.

[0149] The present invention defines each annular area of ​​the target paper as an object with specific chiral characteristics, thereby achieving multiple optimizations and intelligent enhancements of the shooting training system, simplifying the amount of calculation and storage, and transforming the number of negative chiral rings in the second, third, and fourth quadrants to the corresponding positions in the first quadrant by flipping, mapping, symmetry, etc., greatly reducing the complexity of the system. At the same time, the present invention uses chiral characteristics to analyze the distribution of shooting results on the target paper and defines positive and negative chiral areas. It can not only calculate the number of hit rings, but also evaluate the uniformity and accuracy of shooting results, providing shooters with detailed shooting skills feedback. In addition,

[0150] The present invention can also flexibly adapt to a variety of target paper designs and sensor layouts. Even in the face of complex situations such as the photoelectric sensor and the target paper ring center not coinciding, and some rings on the target paper being missing, the accuracy and effectiveness of the shooting performance analysis can be ensured by setting the chirality value. This not only improves the efficiency and accuracy of shooting training, but also provides shooters with personalized training guidance and improvement space, which is a major advancement in the field of shooting training.

[0151] The present invention improves the protection of the integrated target lifting and lowering machine equipment by adding upper, middle and lower bulletproof plates and an upper shielding plate, which can effectively prevent the shooter from damaging the key parts of the target mechanism during the shooting process, thereby increasing the service life of the target lifting and lowering machine.

[0152] It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0153] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0154] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0155] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0156] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, which all fall within the protection of the present invention.

Claims

1. A fusion type target lifting and falling machine based on characteristic chirality, characterized in that: It comprises a target mechanism, a photoelectric sensor (2), a flip control mechanism and a support mechanism; The target mechanism comprises an active paper changing assembly and a passive paper changing assembly connected to the active paper changing assembly via a target paper (1), and is used to provide a shooting target and automatically change the target paper according to the instantaneous thickness of the roll paper after the target paper is hit; The photoelectric sensor (2) is used to detect whether the target paper (1) is hit and to measure the hitting position of the bullet hole on the target paper (1); The flip control mechanism comprises an integrated controller (3) and a power supply (4), which is used to automatically report the target according to the hit position of the bullet hole on the target paper (1), quickly calculate the hit ring number based on the characteristic chirality, calculate the instantaneous thickness of the roll paper, and control the target mechanism to automatically replace the target paper (1) and to lift, fall or flip; The supporting mechanism is used to support the target mechanism, the photoelectric sensor (2) and the flip control mechanism.

2. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: The active paper changing assembly comprises: a motor shaft (5), a power shaft (6), a first shaft core (7), a first paper shaft (8), a first damping rubber wheel (9), a first driven shaft (10), a sliding groove (11) and a pressure spring (12); the motor shaft (5) is located on a support frame (27) of the support mechanism, the motor shaft (5) is electrically connected to the power shaft (6), the first shaft core (7) is nested on the power shaft (6), the first shaft core (7) is provided with a first paper shaft (8), the first paper shaft (8) is in close contact with the first damping rubber wheel (9), the motor shaft (5) drives the first paper shaft (8) to rotate without slipping when working, the first damping rubber wheel (9) is sleeved on the first driven shaft (10), both ends of the first driven shaft (10) are mounted on the sliding groove (11), the sliding groove (11) is provided with the pressure spring (12), and the first driven shaft (10) is provided with a left lap counting wheel (13) and a right lap counting wheel (14).

3. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: The driven paper changing assembly comprises: a non-powered shaft (15), a second shaft core (16), a second paper shaft (17), a second damping rubber wheel (18), a second driven shaft (19), a sliding groove (11) and a pressure spring (12); the non-powered shaft (15) is located on the small triangular support (25) of the support mechanism; the second shaft core (16) is nested on the non-powered shaft (15); the second shaft core (16) is provided with the second paper shaft (17); the second paper shaft (17) is in close contact with the second damping rubber wheel (18); the second damping rubber wheel (18) is sleeved on the second driven shaft (19); both ends of the second driven shaft (19) are arranged on the sliding groove (11); the sliding groove (11) is provided with the pressure spring (12); the pressure spring (12) slides along the sliding groove (11) in cooperation with the active paper changing assembly according to the instantaneous thickness of the rolled paper.

4. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: The target mechanism further comprises: two upper rods (20), an upper bulletproof plate (21), a middle bulletproof plate (22) and an upper shielding plate (23); The two upper rods (20) are respectively located on both sides of the target paper (1) and are downwardly connected to the lower rod (24) of the flip control mechanism; the upper and lower ends of the target paper (1) are respectively provided with an upper bulletproof plate (21) and a middle bulletproof plate (22), which together with the upper rods (20) on both sides of the target paper (1) form a square-shaped structure for protecting the target mechanism; The upper shielding plate (23) is fastened by a small triangular support (25) arranged on the side of the two upper rods (20) away from the shooting direction. The width of the upper shielding plate (23) is greater than the sum of the diameters of the first damping rubber wheel (9) and the first paper shaft (8), and is used to protect unused target paper.

5. The fusion type target lifting and falling machine based on characteristic chirality according to claim 4 is characterized in that: A photoelectric sensor seat (26) with a small S-shaped structure is provided on the side of the S-shaped structure away from the shooting direction, and the photoelectric sensor (2) is located on the photoelectric sensor seat (26), wherein the photoelectric gate (38) is arranged below the target paper (1).

6. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: The support mechanism comprises a support frame (27), a support platform (28), a small triangular support (25) and a large triangular support (29); The support frame (27) is mounted on the support platform (28) and is used to provide stable support for the motor shaft (5); The support platform (28) is connected to the middle bulletproof plate (22) and is used to support the target mechanism; The small triangular support (25) is arranged on a side of the two upper rods (20) away from the shooting direction and is used to fasten the upper shielding plate (23); The large triangular support (29) is located at the upper end of the lower rod (24) and is used to bear the mass of the target mechanism, the paper changing mechanism and the photoelectric sensor (2).

7. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: An antenna (30) is provided above the integrated controller (3), and data obtained by automatically reporting the target by quickly calculating the number of hit rings based on characteristic chirality is transmitted to the shooter via the antenna (30).

8. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: The flip control mechanism also includes a base (31), a flip mechanism (36), a lower rod (24) and a lower bulletproof plate (32); A groove is provided on the upper portion of the base (31), and the integrated controller (3) and the power supply (4) are placed in sequence in the groove. A stopper (33) is provided on the outer edge of the groove to prevent the integrated controller (3) and the power supply (4) from slipping off during shooting; The flipping mechanism (36) is connected to the lower rod (24), is arranged on the upper side of the base (31) away from the groove direction, and is used to make the lower rod (24) and the target mechanism rise and fall or flip; The lower bulletproof plate (32) is hung on a buckle (34) provided on the side of the base (31) facing the shooting direction. The height of the lower bulletproof plate (32) is slightly greater than the sum of the heights of the flip mechanism (36) and the base (31) and is used to protect the flip control mechanism. A hook (35) adapted to the buckle (34) is provided on the side of the lower bulletproof plate (32) away from the shooting direction and is used to fix the lower bulletproof plate (32).

9. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: The target paper (1) and the blank paper are arranged in the first paper shaft (8), wherein the method for calculating the instantaneous thickness of the rolled paper comprises: Obtaining the total length of the unused paper rolls according to the total number and length of blank paper and target paper in the first paper roll (8); According to the lengths of the blank paper and the target paper in the first paper shaft (8), the distance of the target paper that needs to be moved when replacing a target paper is obtained; According to the radius of the first damping rubber wheel (9) and the radius of the second damping rubber wheel (18), the number of revolutions that the first damping rubber wheel (9) and the second damping rubber wheel (18) need to rotate when replacing a target paper is obtained; Obtaining an average value of the number of rotations of the left lap counting wheel (13) and the number of rotations of the right lap counting wheel (14) according to the number of rotations required for the first damping rubber wheel (9) and the second damping rubber wheel (18); Based on the average of the number of revolutions of the left lap counting wheel (13) and the right lap counting wheel (14) and the distance of one revolution of the first damping rubber wheel (9) and the first damping rubber wheel (9), a constraint condition of the total length of the paper shaft not unfolded is obtained; The first paper shaft (8) is compared to a cylinder comprising a plurality of concentric cylinders, and the outer diameter of the first paper shaft (8) is obtained according to the radius of the first paper shaft (8) and the instantaneous thickness of the paper roll; Based on the constraint condition of the total length of the unused paper shaft, and according to the total length of the unused paper shaft and the radius and outer diameter of the first paper shaft (8), a volume formula of the first paper shaft (8) is obtained; Integrate the volume formula of the first paper shaft (8), ignore the square term containing the instantaneous thickness of the paper roll, and obtain a calculation formula for the instantaneous thickness of the paper roll; The instantaneous thickness of the roll paper is obtained according to the calculation formula of the instantaneous thickness of the roll paper.

10. The fusion type target lifting and falling machine based on characteristic chirality according to claim 1 is characterized in that: The method of quickly calculating the number of hit rings based on the characteristic chirality according to the hit position of the bullet hole on the target paper (1) comprises: Get the bull's-eye of the target paper as the origin and define a two-dimensional coordinate system; In the two-dimensional coordinate system, the target paper annular region in the first quadrant is defined as a positive chirality region, and the target paper annular regions in the second quadrant, the third quadrant, and the fourth quadrant are defined as negative chirality regions; Based on the polar coordinate or rectangular coordinate system, the polar coordinate distance or rectangular coordinate distance corresponding to different numbers of rings is determined according to the distance between the photoelectric gate position corresponding to the bull's eye and the photoelectric gate position corresponding to the hit position in the first quadrant; For the hit position in the first quadrant, the distance from the hit position to the origin is compared with the distances corresponding to the preset numbers of each ring to obtain the forehanded ring number; For the hit positions in the second quadrant, the third quadrant and the fourth quadrant, they are transformed to the corresponding positions in the first quadrant by flipping, mapping or symmetry, and the distances from the corresponding positions in the first quadrant to the origin are compared with the distances corresponding to the preset ring numbers to obtain the negative chiral ring number; The number of positive chiral rings and the number of negative chiral rings are added together to obtain the number of hit rings.

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