CN111368964A - Non-contact shooting counting device and counting method thereof - Google Patents

Non-contact shooting counting device and counting method thereof Download PDF

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Publication number
CN111368964A
CN111368964A CN202010197723.0A CN202010197723A CN111368964A CN 111368964 A CN111368964 A CN 111368964A CN 202010197723 A CN202010197723 A CN 202010197723A CN 111368964 A CN111368964 A CN 111368964A
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China
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shooting
signal
shock wave
processing device
information
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CN202010197723.0A
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CN111368964B (en
Inventor
任海东
杨国平
陈辉
庄震宇
曹晋民
苏永亮
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NANJING RESEARCH INSTITUTE ON SIMULATION TECHNIQUE
No 60 Institute of Headquarters of General Staff of PLA
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NANJING RESEARCH INSTITUTE ON SIMULATION TECHNIQUE
No 60 Institute of Headquarters of General Staff of PLA
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G06M1/101—Design features of general application for actuating the drive by electric or magnetic means by electro-optical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A33/00—Adaptations for training; Gun simulators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
    • G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means

Abstract

The invention discloses a non-contact type shooting counting device and a counting method thereof, and relates to counting equipment for a firearm in live ammunition shooting training and a counting method using the equipment, which can accurately count the number of consumed bullets of a corresponding shooter and the shooting time of each bullet in real time. A non-contact shooting counting device is characterized in that a signal acquisition device is arranged at a shooting point of each shooter and is in signal connection with a signal processing device, and the signal processing device is connected with a power supply and is also in signal connection with a display device; the signal acquisition equipment is hung on the roof or placed on the ground. The signal processing device is connected with the signal acquisition equipment and the display device through data lines, 4G wireless signals or 5G signals, preferably through the data lines or the 5G signals. The signal acquisition equipment is provided with a photoelectric probe and a shock wave probe and is used for respectively acquiring muzzle flames and sound waves when shooting at a muzzle.

Description

Non-contact shooting counting device and counting method thereof
Technical Field
The invention discloses a non-contact type shooting counting device and a counting method thereof, and relates to counting equipment for a firearm in live ammunition shooting training and a counting method using the equipment, which can accurately count the number of consumed bullets of a corresponding shooter and the shooting time of each bullet in real time.
Background
The actual consumption quantity of ammunition needs to be counted and managed during military and police live ammunition shooting training, manual calculation is adopted at present mostly, the actual consumption quantity of bullets is difficult to obtain in the process, the actual shooting bullet quantity of each gunman is difficult to count, and especially the actual shooting bullet quantity of a large number of gunmen is difficult to count when shooting training is carried out in the same area; in addition, the bullet consumption quantity is counted by adopting a mode of mounting the detection equipment on the gun head, and the detection equipment has certain weight, so that the gravity center of a gun can be influenced during design, the action of a shooter according to the gun and the actual shooting condition are further influenced, and a new practical shooting counting equipment is necessary to be designed to meet the actual shooting training requirement.
Disclosure of Invention
The invention provides a non-contact shooting counting device, which can count the shooting condition of each shooter in real time, analyze data and help the shooter improve the shooting level.
A non-contact shooting counting device is characterized in that a signal acquisition device is arranged at a shooting point of each shooter and is in signal connection with a signal processing device, and the signal processing device is connected with a power supply and is also in signal connection with a display device; the signal acquisition equipment is hung on the roof or placed on the ground.
When the signal processing device is in signal connection with the signal acquisition equipment and the display device respectively, the data wire connection, the 4G wireless signal connection or the 5G signal connection is adopted, and the data wire connection or the 5G signal connection is preferably adopted, so that the time delay is reduced, the real-time rate of data is improved, and the signal error generated by high time delay is reduced.
The signal acquisition equipment is provided with a photoelectric probe and a shock wave probe simultaneously and is used for respectively acquiring muzzle flames and sound waves during muzzle shooting; the photoelectric probe is aligned to the corresponding shooting point, so that muzzle flame signals can be conveniently collected; both photoelectric probes and shock wave probes are available.
The photoelectric probe is a near-infrared optical sensor, can effectively shield the interference of indoor light and outdoor strong light through a rear-end narrow band-pass filtering and amplifying circuit, can effectively identify a flame tail signal of a muzzle, and is BPW34FAS in model.
The signal processing device is a single chip microcomputer or a computer.
The display device is a digital kinescope or a liquid crystal display.
The power supply is an alternating current power supply and/or a direct current power supply; the alternating current power supply is a 220V alternating current power supply, and the direct current power supply is a direct current power supply for supplying power to a storage battery, and the storage battery is preferably a lithium battery.
The method for counting by using the non-contact shooting counting device comprises the following steps:
(1) establishing a database in the signal processing device and setting shooting parameters;
(2) preparing a shooting gun, and starting a non-contact shooting counting device;
(3) the trigger of the firearm is pulled, the firearm is fired to generate muzzle flame and shock wave signals which are respectively collected by a photoelectric probe and a shock wave probe on the signal collection equipment, and the time t1 when the photoelectric probe collects the signals is recorded;
(4) and with the time t1 as a reference, the shock wave probe acquires shock wave signals and records the acquisition time t2, the time period from the acquisition of the photoelectric probe to the acquisition of the shock wave probe is △ t = t2-t1, the comparison is carried out through the information stored in the database of the information processing device, and t is carried outmin≤△t≤tmaxWhen the information is recorded, the information processing device records the shooting information of the corresponding shooting point, if △ t is less than tminOr △ t > tmaxIf the shock wave signal is not generated by the shooting point, the information processing device compares the shock wave signal with muzzle flames collected by the photoelectric probes at other positions, the shock wave signal is seen to fall in a range section, if the shock wave signal is within the range section, the shock wave signal is the shooting information of the shooting point, and if the shock wave signal is not generated by the shooting point, the shock wave signal is an external interference shock wave signal and is eliminated;
(5) after the signal processing device finishes processing the signal information, the signal processing device displays the shooting information in real time through the display device, wherein the shooting information comprises the time consumed by each shooting point, the times of shooting and the interval time of each shooting; evaluation and training are facilitated.
The method for setting shooting parameters by using the invention comprises the following steps:
(1) establishing a database in the information processing device, wherein the database information comprises related information respectively acquired according to the type of firearms, the distance of shooting in the design place and the distance of the shooting point from the signal acquisition equipmentInformation; the method comprises muzzle flames of different types of firearms, tone colors of the firearms during shooting, intensity ranges of shock wave signals and brightness ranges of the muzzle flames; and determining the shock wave signal transmission time t from the shooting point to the signal acquisition equipment at the corresponding positionmin≤t≤tmaxThe range is that the shock wave signals which are not in the intensity range of the shock wave signals are not collected, and the light signals which are not in the brightness range of the muzzle flame are not collected, so that the external signal interference is avoided;
(2) and numbering all the shooting points and storing the numbered shooting points in the signal processing device.
The invention has the following characteristics:
(1) the near-infrared optical sensor is adopted to effectively shield the interference of indoor light and outdoor strong light, and can effectively identify the flame tail signal of the muzzle.
(2) The bullet shooting device solves the problem of shock wave detection of bullet shooting through the shock wave probe, adopts the shock wave probe as a shock wave detection sensor, adopts the band-pass filtering amplifying circuit at the rear end, and can effectively shield interference generated by other sound sources in a shooting venue.
(3) The invention solves the problem that the shooting bullet quantity of each shooter is identified when a plurality of gunneries shoot at the same time in the same shooting venue. The number of shooting bullets of the current gunner is identified through a time difference between the flame tail signal and the shock wave signal, and the shooting signal interference of the adjacent gunner is shielded.
(4) And the number of the shot bullets can be displayed on the display module in real time through the display module of the display device.
(5) The number of bullets and the shooting time of each bullet can be transmitted to other equipment in real time for function expansion.
(6) The invention is compatible with battery power supply and 220V indoor power supply, the battery adopts two lithium batteries, and the 220V indoor power supply adopts a 12V adapter. A single diode is adopted on a circuit of the equipment, and two power supplies which are mutually backup are placed to prevent damage caused by simultaneous power supply.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting it to the embodiments in which:
fig. 1 is a schematic view of the invention mounted above and in front of the firing point, respectively:
FIG. 2 is a schematic diagram of the sensing range of the signal acquisition device of the present invention;
fig. 3 is a schematic view of the structural connection of the present invention.
FIG. 4 is a schematic waveform of the muzzle flame signal and the shockwave signal collected in the present invention.
Fig. 5 is a schematic workflow diagram of the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to FIGS. 1-5.
A non-contact shooting counting device is characterized in that a signal acquisition device 1 is arranged at a shooting point of each shooter, the signal acquisition device 1 is in signal connection with a signal processing device 2, and the signal processing device 2 is connected with a power supply 3 and a display device 4; the signal acquisition equipment 1 is hung on the roof or placed on the ground.
The signal processing device 2 is connected with the signal acquisition device 1 and the display device 4 through data lines, 4G wireless signals or 5G signals, preferably through data lines or 5G signals, so as to reduce time delay, improve the real-time rate of data and reduce signal errors caused by high time delay.
The signal acquisition equipment 1 is provided with a photoelectric probe 1-1 and a shock wave probe 1-2 at the same time and is used for respectively acquiring muzzle flames and sound waves during muzzle shooting; the photoelectric probe 1-1 is aligned to the corresponding shooting point, so that muzzle flame signals can be conveniently collected; the photoelectric probe 1-1 and the shock wave probe 1-2 are both in the prior art.
The photoelectric probe 1-1 is a near infrared optical sensor, interference of indoor lamplight and outdoor strong light can be effectively shielded through a rear-end narrow band-pass filtering and amplifying circuit, a flame tail signal of a muzzle can be effectively identified, and the model of the photoelectric probe 1-1 is BPW34 FAS.
The signal processing device 2 is a single chip microcomputer or a computer.
The display device 4 is a digital picture tube or a liquid crystal display.
The power supply 3 is an alternating current power supply and/or a direct current power supply; the alternating current power supply is a 220V alternating current power supply, and the direct current power supply is a direct current power supply for supplying power to a storage battery, and the storage battery is preferably a lithium battery.
The method for counting by using the non-contact shooting counting device comprises the following steps:
(1) establishing a database in the signal processing device 2 and setting shooting parameters;
(2) preparing a shooting gun, and starting a non-contact shooting counting device;
(3) triggering a trigger of the firearm, triggering the firearm to generate muzzle flame and shock wave signals, respectively acquiring the muzzle flame and the shock wave signals by a photoelectric probe 1-1 and a shock wave probe 1-2 on the signal acquisition equipment 1, and recording the time t1 when the photoelectric probe 1-1 acquires the signals;
(4) and with the time t1 as a reference, the shock wave probe 1-2 acquires shock wave signals and records the acquisition time t2, the time period from the acquisition of the photoelectric probe 1-1 to the acquisition of the shock wave probe 1-2 is △ t = t2-t1, the comparison is carried out through the information stored in the database of the information processing device 2, and t is tmin≤△t≤tmaxWhen the information processing device 2 records the shooting information of the corresponding shooting point for the shooting information generated by the corresponding shooting point, if △ t is less than tminOr △ t > tmaxIf the impact wave signal is not generated by the shooting point, the information processing device 2 compares the impact wave signal with muzzle flames collected by the photoelectric probes 1-1 at other positions, the impact wave signal is seen to fall in a range section, if the impact wave signal is consistent with the muzzle flames collected by the photoelectric probes 1-1 at other positions, the impact wave signal is shooting information of the shooting point, and if the impact wave signal is not generated by the shooting point, the impact wave signal is an external interference impact wave signal and is eliminated;
(5) after the signal processing device 2 finishes processing the signal information, displaying the shooting information in real time through the display device 4, wherein the shooting information comprises the time consumed by each shooting point, the times of shooting and the interval time of each shooting; evaluation and training are facilitated.
The method for setting shooting parameters by using the invention comprises the following steps:
(1) establishing a database in the information processing device 2, wherein the database information comprises related information respectively acquired according to the type of firearms, the distance of shooting in a design place and the distance of a shooting point from the signal acquisition equipment; the method comprises muzzle flames of different types of firearms, tone colors of the firearms during shooting, intensity ranges of shock wave signals and brightness ranges of the muzzle flames; and determining the shock wave signal transmission time t from the shooting point to the signal acquisition equipment at the corresponding positionmin≤t≤tmaxThe range is that the shock wave signals which are not in the intensity range of the shock wave signals are not collected, and the light signals which are not in the brightness range of the muzzle flame are not collected, so that the external signal interference is avoided;
(2) and numbering all the shooting points and storing the numbered shooting points in the signal processing device.

Claims (9)

1. A non-contact shot counting device, characterized in that: a signal acquisition device is arranged at a shooting point of each shooter and is in signal connection with a signal processing device, and the signal processing device is connected with a power supply and is also in signal connection with a display device; the signal acquisition equipment is hung on the roof or placed on the ground.
2. A non-contact shot counting device according to claim 1, wherein: the signal processing device is connected with the signal acquisition equipment and the display device through data lines, 4G wireless signals or 5G signals when in signal connection.
3. A non-contact shot counting device according to claim 1, wherein: the signal acquisition equipment is provided with a photoelectric probe and a shock wave probe simultaneously.
4. A non-contact shot counting device according to claim 1, wherein: the photoelectric probe is a near infrared optical sensor, and the model of the photoelectric probe is BPW34 FAS.
5. A non-contact shot counting device according to claim 1, wherein: the signal processing device is a single chip microcomputer or a computer.
6. A non-contact shot counting device according to claim 1, wherein: the display device is a digital kinescope or a liquid crystal display.
7. A non-contact shot counting device according to claim 1, wherein: the power supply is an alternating current power supply and/or a direct current power supply; the alternating current power supply is a 220V alternating current power supply, the direct current power supply is a direct current power supply for supplying power to the storage battery, and the storage battery is a lithium battery.
8. A method for counting by using a non-contact shooting counting device is characterized in that:
(1) establishing a database in the signal processing device and setting shooting parameters;
(2) preparing a shooting gun, and starting a non-contact shooting counting device;
(3) the trigger of the firearm is pulled, the firearm is fired to generate muzzle flame and shock wave signals which are respectively collected by a photoelectric probe and a shock wave probe on the signal collection equipment, and the time t1 when the photoelectric probe collects the signals is recorded;
(4) and with the time t1 as a reference, the shock wave probe acquires shock wave signals and records the acquisition time t2, the time period from the acquisition of the photoelectric probe to the acquisition of the shock wave probe is △ t = t2-t1, the comparison is carried out through the information stored in the database of the information processing device, and t is carried outmin≤△t≤tmaxWhen the information is recorded, the information processing device records the shooting information of the corresponding shooting point, if △ t is less than tminOr △ t > tmaxThen, thenJudging whether the shock wave signal is generated by the shooting point, comparing the shock wave signal with muzzle flames collected by photoelectric probes at other positions by the information processing device to see that the shock wave signal falls in the range section, if the shock wave signal is within the range section, determining the shock wave signal as the shooting information of the shooting point, and if the shock wave signal is not within the range section, determining the shock wave signal as an external interference shock wave signal and excluding the shock wave signal;
(5) after the signal processing device finishes processing the signal information, the signal processing device displays the shooting information in real time through the display device, wherein the shooting information comprises the time consumed by each shooting point, the times of shooting and the interval time of each shooting; evaluation and training are facilitated.
9. The method of counting using a non-contact shot counting device of claim 8, wherein:
the method for setting the shooting parameters comprises the following steps:
(1) establishing a database in the information processing device, wherein the database information comprises related information respectively acquired according to the type of firearms, the distance of shooting in a design place and the distance of a shooting point from the signal acquisition equipment; the method comprises muzzle flames of different types of firearms, tone colors of the firearms during shooting, intensity ranges of shock wave signals and brightness ranges of the muzzle flames; and determining the shock wave signal transmission time t from the shooting point to the signal acquisition equipment at the corresponding positionmin≤t≤tmaxThe range is that the shock wave signals which are not in the intensity range of the shock wave signals are not collected, and the light signals which are not in the brightness range of the muzzle flame are not collected, so that the external signal interference is avoided;
(2) and numbering all the shooting points and storing the numbered shooting points in the signal processing device.
CN202010197723.0A 2019-12-11 2020-03-19 Non-contact shooting counting device and counting method thereof Active CN111368964B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112529138A (en) * 2020-11-30 2021-03-19 济南瑞特安防设备有限公司 Bullet percussion counting assembly based on recoil detection
CN112529138B (en) * 2020-11-30 2024-05-14 济南瑞特安防设备有限公司 Bullet firing counting device based on recoil detection

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453799A (en) * 2012-05-30 2013-12-18 中国兵器工业第二0二研究所 Real-time measurement method for quantity of shot bullets of small arm

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453799A (en) * 2012-05-30 2013-12-18 中国兵器工业第二0二研究所 Real-time measurement method for quantity of shot bullets of small arm

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
付永升: "枪口火光与声波探测装置和时统研究" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112529138A (en) * 2020-11-30 2021-03-19 济南瑞特安防设备有限公司 Bullet percussion counting assembly based on recoil detection
CN112529138B (en) * 2020-11-30 2024-05-14 济南瑞特安防设备有限公司 Bullet firing counting device based on recoil detection

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