Bullet shooting counter

A counter and bullet technology, applied in the field of bullet shooting counting devices, can solve the problems of low reliability, high cost, high power consumption, etc., and achieve the effect of ensuring continuous use, high reliability, and convenient installation

Inactive Publication Date: 2008-02-20
ENG COLLEGE OF ENG CORPS PLA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the need to ensure the launch and receiving device of the shell case, the installation and positioning of the invention is complicated, and its installation position is on the upper part of the gun, which seriously affects the shooter's aiming
Firearm shooting frequency testing device (CN2290019Y) counts bullets based on acoustic-electric sensor and firearm velocity meter, and has high

Method used

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  • Bullet shooting counter

Examples

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Example Embodiment

[0015] As shown in accompanying drawing 1, the specific composition circuit of the present invention comprises: single-chip microcomputer, magnetic field sensor detection circuit, power supply circuit, keyboard circuit, liquid crystal display circuit, clock circuit, communication circuit, reset circuit, storage circuit.

[0016] (1) Single-chip microcomputer: the core information processing unit of the present invention adopts MSP430F149 chip, and carries out information processing and conversion through various I / O ports and peripheral circuits.

[0017] (2) Magnetic field sensor detection circuit: HMC1021Z magnetoresistive sensor is used, and the conditioning information is transmitted to the single-chip microcomputer for further processing and storage of information.

[0018] (3) Power supply circuit: High-performance rechargeable lithium battery is used as the power supply for the system. TPS76033 chip is used to ensure the stable and reliable operation of the system voltag...

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Abstract

The utility model relates to a bullet shooting counting device, belonging to a bullet shooting counter, which comprises a single-chip microcomputer, a testing circuit of a magnetic field sensor, a power supply circuit, a keyboard circuit, a liquid crystal display circuit, a clock circuit, a communication circuit, a reset circuit, and a storage circuit. Compared with the prior art, the utility model has advantages of high reliability, precise countering, no affection on the normal shooting, and strong anti-interference performance. The utility model can be used to calculate the bullet speed in the bore of a gun, analyze the dynamical property of the bullet in the bore of a gun, and judge the technical feature of the guns, enabling the maintenance and the updating of multi counter system information with long time for continuous use.

Description

technical field [0001] The invention belongs to a bullet shooting counting device. Background technique [0002] Counting the number of shot bullets is an important way to improve the safety management of bullet use. Developing and popularizing a bullet counter with high reliability and low cost is an important means to solve the firearms training safety problems of troops and various gun-using units. The speed of bullet ejection is an important indicator for evaluating the technical state of firearms. Obtaining the flying speed of bullets through the counting device can grasp the technical state of firearms in real time and improve the monitoring level of the technical state of firearms. [0003] The counting device (CN1668888A) adopts the principle of counting by interrupting the infrared ray by the cartridge case. Because it is necessary to ensure the launch and receiving device of the cartridge case, the installation and positioning of the invention is complicated, and...

Claims

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Application Information

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IPC IPC(8): F41A19/01
Inventor 李焕良张琦杨承先冯柯严骏鲁冬林李卫士曹江周祖安
Owner ENG COLLEGE OF ENG CORPS PLA UNIV OF SCI & TECH
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