CN116242201A

CN116242201A - Firing device capable of automatically identifying bullets

Info

Publication number: CN116242201A
Application number: CN202211504361.0A
Authority: CN
Inventors: 曹胜杰
Original assignee: Hebei Wuhao Intelligent Technology Co ltd
Current assignee: Hebei Wuhao Intelligent Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-09

Abstract

The invention discloses a firing device for automatically identifying bullets, which comprises a bullet striking device and a sensor; the bullet striking device is provided with a Karster groove; the bullet shooting device is fixed at a muzzle position of a high-pressure gas impact path after the sub-ejection chamber, so that the bottom of the Karst groove is outwards radian-expanded along the muzzle center line at the muzzle to form a coanda effect; the sensor is configured to detect negative pressure generated by the Kanst groove and the Kanst effect transition to determine a number of bullet shots based on a number of negative pressure peaks detected by the sensor. The firing device adopts the sensor to acquire the negative pressure generated after the bullet is fired as the judgment standard of whether the bullet is fired or not, and can automatically record the number of times of bullet firing. The actions, falling, knocking and the like of the firearm can not influence the gas release of gunpowder explosion, and the firearm has the advantages of high recording accuracy, difficult false alarm, simple structure and the like. Is worth popularizing and using in a large area.

Description

Firing device capable of automatically identifying bullets

Technical Field

The invention relates to the technical field of bullet counting, in particular to a firing device capable of automatically identifying bullets.

Background

For working departments such as police, armed police and the like needing to carry firearms, the gun targeting training needs to be carried out frequently. In order to prevent the bullets from accidentally flowing out in the training process and affecting the safety of the public, a worker for checking the number of the bullets needs to be arranged at the position of each training person, so that the number of the bullets used for training actual shooting is ensured to be consistent with the number of the bullets taken. The traditional bullet firing quantity statistics adopts a manual counting mode, so that the training cost of shooting training is increased, and the working efficiency of manually counting and confirming the number of bullets is low.

In shooting subject training, when the shooter shoots a target, if shooting hits the target after the bullet passes out of the chamber, statistics is easier when the number of correctly hit targets is counted. If the bullet is off-target, there is a large uncertainty in statistics.

The bullet striking device is arranged at the gun mouth, and the acceleration sensor is used for acquiring the vibration of the gun, so that whether the bullet is struck or not is judged by judging whether the gun vibrates or not.

However, in the prior art, the accuracy of the device for detecting the number of shots by matching the shooter with the acceleration sensor is not high. The reason is that the bolt and other actions are easy to generate extra vibration in use, and false alarm is easy to generate after vibration generated by the bullet striking is acquired by the acceleration sensor, and various actions generated by the firearm in use can influence the phenomenon of false alarm of the detection data of the acceleration sensor.

Disclosure of Invention

The invention provides a firing device capable of automatically identifying bullets.

The invention provides the following scheme:

a firing device that automatically recognizes bullets, comprising:

a bullet impact device and a sensor; the bullet striking device is provided with a Karster groove; the sensor is arranged at the bottom of the Karst groove;

the bullet shooting device is fixed at a muzzle position of a high-pressure gas impact path after the sub-ejection chamber, so that the bottom of the Karst groove is outwards radian-expanded along the muzzle center line at the muzzle to form a coanda effect;

the sensor is configured to detect negative pressure generated by the Kanst groove and the Kanst effect transition to determine a number of bullet shots based on the number of negative pressure peaks detected by the sensor.

Preferably: the system also comprises a controller which is in communication connection with the sensor.

Preferably: the controller is connected with a wireless communication module, and the wireless communication module is used for being in communication connection with the host.

Preferably: the wireless communication module comprises any one of a Bluetooth module, a Wi F i module, a z i gbee module and a low-power-consumption radio frequency module.

Preferably: the bullet shooting device is provided with a cavity structure, and the controller and the wireless communication module are arranged in the cavity structure.

Preferably: the sensor may detect that the maximum air pressure is not higher than the standard atmospheric pressure.

According to the specific embodiment provided by the invention, the invention discloses the following technical effects:

by the invention, the firing device for automatically identifying the bullets can be realized, and in one implementation mode, the device can comprise a bullet shooting device and a sensor; the bullet striking device is provided with a Karster groove; the sensor is arranged at the bottom of the Karst groove; the bullet shooting device is fixed at a muzzle position of a high-pressure gas impact path after the sub-ejection chamber, so that the bottom of the Karst groove is outwards radian-expanded along the muzzle center line at the muzzle to form a coanda effect; the sensor is configured to detect negative pressure generated by the Kanst groove and the Kanst effect transition to determine a number of bullet shots based on a number of negative pressure peaks detected by the sensor. The firing device for automatically identifying bullets provided by the application adopts the sensor to acquire the negative pressure generated after bullet firing as the judgment standard of whether the bullets are fired or not, and can automatically record the number of times of bullet firing. The actions, falling, knocking and the like of the firearm can not influence the gas release of gunpowder explosion, and the firearm has the advantages of high recording accuracy, difficult false alarm, simple structure and the like. Is worth popularizing and using in a large area.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a firing device for automatically identifying bullets according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a projectile according to an embodiment of the present invention.

In the figure: a projectile strike 1, a Karst groove 11, a sensor 2, a controller 3 and a gun barrel 4.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.

Examples

Referring to fig. 1 and 2, a firing device for automatically identifying bullets according to an embodiment of the present invention, as shown in fig. 1 and 2, may include:

a projectile shooter 1 and a sensor 2; the bullet driver 1 is provided with a Karster groove 11; the sensor 2 is arranged at the bottom of the Karster groove;

the bullet shooting device 1 is fixed at a muzzle position of a high-pressure gas impact path after a sub-ejection chamber, so that the bottom of the Karst groove 11 is outwards radian-expanded along the muzzle center line at the muzzle to form a coanda effect;

the sensor 2 is used for detecting the negative pressure generated by the Kanst groove and the conversion of the Kandta effect, so as to determine the bullet firing number according to the number of negative pressure peaks detected by the sensor.

The firing device of automatic identification bullet that this application embodiment provided, the number of times that the device can automatic recording bullet fire has the record accuracy height, is difficult to misinformation, simple structure's characteristics. The bullet shooting device is fixed at the muzzle position of the high-pressure gas impact path after the sub-ejection chamber, and forms a semi-surrounding structure with the high-pressure gas. The impactor forms a Caster channel. The bottom of the Kanst trench extends along the outward arc of the muzzle centerline at the muzzle, creating a coanda effect. The negative pressure generated by the Karster groove and the coanda effect transition is detected using a sensor to determine that a bullet was fired based on the sensor detecting a peak in negative pressure. Because the detected negative pressure value can be reduced by the peak value in the interval time of firing the two bullets, the negative pressure can not completely disappear because the interval time of firing the two bullets is shorter, but when the next bullet is fired after the firing of one bullet is finished, the negative pressure value can be increased until reaching the peak value state, so that the firing quantity of the bullets can be determined by detecting the quantity of the negative pressure peak value. Of course, the negative pressure peak values formed by the two bullets after firing may be different, and in actual use, only the highest threshold value and the lowest threshold value of the peak values are limited, and only the peak value between the highest negative pressure threshold value and the lowest negative pressure threshold value can be fired by one bullet. When the maximum negative pressure threshold value and the minimum negative pressure threshold value are exceeded, the detection accuracy can be effectively improved because external interference is generated and the detection accuracy is not used as the number of the bullets to be fired. That is, the sensor detects an effective negative pressure peak indicating that a cartridge was fired. Compared with an acceleration sensor, the sensor provided by the embodiment of the application is higher in reliability and is not easy to misjudge.

Further, the embodiment of the present application may further provide a controller 3, where the controller 3 is communicatively connected to the sensor 2. The controller 3 can automatically recognize the negative pressure state data obtained by the sensor 2 and make a judgment as to whether a bullet is fired. In order to facilitate the controller to send the detection result to the host or the mobile intelligent terminal device, the controller is connected with a wireless communication module, and the wireless communication module is used for being in communication connection with the host. Specifically, the wireless communication module comprises any one of a Bluetooth module, a WiFi module, a z igbee module and a low-power-consumption radio frequency module. The controller can transmit the test result to the host computer through Bluetooth, wi F i, z i gbee and low-power-consumption radio frequency wireless transmission.

In order to further improve the compactness of the firing device provided by the embodiment of the application, the embodiment of the application can also provide that the bullet striking device has a cavity structure, and the controller and the wireless communication module are both arranged in the cavity structure.

Because the sensor provided by the embodiment of the application is used for detecting the generated negative pressure, and the maximum negative pressure cannot exceed the standard atmospheric pressure, the sensor provided by the embodiment of the application can detect that the highest atmospheric pressure is not higher than the standard atmospheric pressure.

In the prior art, the accuracy of a bullet striking detection device of the bullet striking device, which is made of an acceleration sensor, is not high. Pulling the bolt and other actions in use is prone to false positives. Various actions generated by the firearm in use can influence the detection data of the acceleration sensor. The device that this application provided through the gas impact that detects the gunpowder explosion, action, the falling of firearms, beat etc. can not influence the gaseous release of gunpowder explosion, have the reliability height, detect accurate characteristics.

After the primer of the bullet is ignited, the high explosive is ignited, and the high explosive is exploded in the gun barrel to generate high-pressure gas. Pushing the bullet out of the muzzle. And meanwhile, high-pressure gas also rushes out of the muzzle, and the high-pressure high-speed gas is converted into negative pressure through the Karster groove and the outward radian. The highest value of the negative pressure is the atmospheric pressure, and a general sensor can meet the measurement requirement. The sensor within the atmospheric pressure has the characteristics of convenient purchase, high precision and low price, and greatly reduces the cost and the reliability of the device.

The high pressure gas generated by the gunpowder explosion is as high as several hundred megapascals. Gas sensors are difficult to withstand high pressures of several hundred megapascals. The structure of the device produces coanda effect through the Caster grooves and the downward expansion radians. The Bernoulli principle is applied to enable high-pressure gas to pass through the device to be converted into negative pressure, and then the sensor is used for measuring the negative pressure of the device. The whole process of the bullet being fired out of the bore is judged. Such high air flow is not generated in the nature, and the process acts rapidly and reliably without causing false alarms.

The ability of the device provided in the embodiments of the present application to count the number of shots fired is verified by specific experimentation.

The experiment is selected and is gone on in standard shooting training ground, sets up two sets of shooting devices and regard as experimental group and contrast group respectively, and wherein experimental group and contrast group all set up a 56 semi-automatic rifle, and the muzzle department of experimental group's 56 semi-automatic rifle sets up bullet ware and the air pressure sensor that hits that this application provided by embodiment, and acceleration sensor is connected to contrast group's 56 semi-automatic rifle. The air pressure sensor and the acceleration sensor are respectively connected with the counting processor.

In the experimental process, the rifle of experimental group and control group carries out many times of shooting respectively, and 100 rounds of bullets are launched in practice to every time of shooting, obtains the count data through the count treater after every time of shooting is accomplished, obtains the statistical result after carrying out many times of shooting and is shown in table 1, table 2.

TABLE 1

TABLE 2

As can be seen from Table 1 and Table 2, the device provided by the embodiment of the application has the advantage of higher detection accuracy compared with the traditional method of using the acceleration sensor as the counting trigger data acquisition mechanism.

In a word, the firing device for automatically identifying bullets provided by the application adopts the sensor to acquire the negative pressure generated after bullet firing as the judgment standard of whether the bullets are fired or not, and can automatically record the number of times of bullet firing. The actions, falling, knocking and the like of the firearm can not influence the gas release of gunpowder explosion, and the firearm has the advantages of high recording accuracy, difficult false alarm, simple structure and the like. Is worth popularizing and using in a large area.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A firing device for automatically identifying a bullet, comprising:

2. The automatic bullet identification firing device of claim 1 further comprising a controller in communication with the sensor.

3. The automatic bullet identification firing device of claim 2 wherein the controller is coupled to a wireless communication module, the wireless communication module adapted to be communicatively coupled to a host computer.

4. The automatic bullet identification firing device of claim 3 wherein the wireless communication module comprises any one of a bluetooth module, a WiFi module, a zigbee module, and a low power rf module.

5. The automatic bullet identification firing device of claim 3 wherein the bullet driver has a cavity structure, the controller and the wireless communication module being disposed within the cavity structure.

6. The automatic bullet identification firing device of claim 1 wherein the sensor detects that the maximum air pressure is no higher than normal atmospheric pressure.