阅读说明：本技术 一种封闭式u型布阵超声自动报靶系统 (Closed U-shaped array ultrasonic automatic target scoring system ) 是由 王宇 刘志刚 王雷 沈琨 于 2020-06-10 设计创作，主要内容包括：本发明为一种封闭式U型布阵超声自动报靶系统,采边框加前后受弹靶面组成密封靶腔,密闭靶腔具有隔绝报靶区域外的杂波干扰功能,在密闭靶腔内部形成相对稳定的超声波传播环境,当弹丸穿过前后靶面时,与靶面摩擦产生超声波；在密闭靶腔底部设置有弧形布置的超声波信号采集探头部件,用来采集弹丸与靶面摩擦产生超声波信号和密闭靶腔内的环境温度；5只超声传感器呈U型布阵方式,在传感器安装座上成同圆心同半径的弧线上均等布置,相邻传感器的轴线之间夹角为15°。5个超声传感器做两次运算再做平均值计算,取平均值为弹着点坐标值,有效解决了加工导致的报靶误差。(The invention relates to a closed U-shaped array ultrasonic automatic target scoring system.A sealed target cavity is formed by a frame and front and rear target receiving surfaces, the sealed target cavity has the function of isolating clutter interference outside a target scoring area, a relatively stable ultrasonic wave propagation environment is formed in the sealed target cavity, and when a projectile passes through the front and rear target surfaces, the projectile rubs against the target surfaces to generate ultrasonic waves; the bottom of the closed target cavity is provided with an ultrasonic signal acquisition probe part which is arranged in an arc shape and is used for acquiring ultrasonic signals generated by friction between the projectile and the target surface and the ambient temperature in the closed target cavity; the 5 ultrasonic sensors are in a U-shaped arrangement mode, are arranged on the sensor mounting seat in an equal way on arcs with the same circle center and the same radius, and the included angle between the axes of the adjacent sensors is 15 degrees. The 5 ultrasonic sensors perform twice operation and then perform average value calculation, and the average value is taken as the coordinate value of the impact point, so that the target-reporting error caused by processing is effectively solved.)

1. The utility model provides an automatic target system that reports of closed U type arrangement supersound, includes target, communication network, total control system, is equipped with the data acquisition subassembly on the target, and the data acquisition subassembly gathers the data of hitting the point to will hit the point and send for total control system through communication network with hitting the point, total control system gives the shooting score, its characterized in that: the target comprises a target cavity and a target frame, the target cavity is arranged on the target frame, and a fixed base is arranged on the target frame; the data acquisition assembly comprises ultrasonic sensors which are arranged on a fixed base in a U-shaped array.

2. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 1, characterized in that: the data acquisition assembly comprises 5 ultrasonic sensors, the 5 ultrasonic sensors are arranged on the fixed base in a concentric circle and arc line with the same radius, and the included angle between the axes of the adjacent sensors is 10-30 degrees.

3. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 2, characterized in that: the 5 ultrasonic sensors are on the same longitudinal plane.

4. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 2, characterized in that: the data acquisition assembly also comprises an ultrasonic signal acquisition and processing circuit board, and the ultrasonic signal acquisition and processing circuit board is in electric signal connection with the ultrasonic sensor; the 5 ultrasonic sensors are sequentially provided with a No. 1 ultrasonic probe, a No. 2 ultrasonic probe, a No. 3 ultrasonic probe, a No. 4 ultrasonic probe and a No. 5 ultrasonic probe from left to right, wherein the No. 1 ultrasonic probe, the No. 3 ultrasonic probe and the No. 5 ultrasonic probe form a group to carry out first ultrasonic signal detection, and corresponding coordinate values (X1, Y1) are calculated through an ultrasonic signal acquisition and processing circuit board; the No. 2 ultrasonic probe, the No. 3 ultrasonic probe and the No. 4 ultrasonic probe are a group to carry out secondary ultrasonic signal detection, and corresponding coordinate values (X2, Y2) are solved again through an ultrasonic signal acquisition and processing circuit board; the ultrasonic signal acquisition and processing circuit board performs average value operation on (X1, Y1) and (X2, Y2), and transmits the calculated average value (X, Y) of (X1, Y1) and (X2, Y2) as a coordinate value of the impact point to the overall control system.

5. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 4, characterized in that: the ultrasonic signal acquisition and processing circuit board comprises 5 sensor signal acquisition circuits, a sensor preamplification circuit, a signal filter circuit, a main amplification circuit, a voltage follower circuit and a voltage comparison circuit, and is provided with a time difference measuring instrument, a main control chip, a wireless communication module and a power supply converter;

the 5-path sensor signal acquisition circuit respectively acquires ultrasonic signals of a No. 1 ultrasonic probe, a No. 2 ultrasonic probe, a No. 3 ultrasonic probe, a No. 4 ultrasonic probe and a No. 5 ultrasonic probe and sends the ultrasonic signals to the preamplification circuit;

the pre-amplification circuit is connected with the primary filter circuit, amplifies the signal received by the ultrasonic sensor to a certain amplitude and then sends the signal to the signal filter circuit;

the signal filtering circuit is connected with the main amplifying circuit, and is used for effectively filtering interference noise signals and then sending the signals to the main amplifying circuit, and the main amplifying circuit is used for enhancing the signal intensity;

the voltage follower circuit is connected with the main amplifying circuit and is used for enhancing the output driving capability of signals;

the voltage comparison circuit is connected with the voltage follower circuit and used for judging the output intensity of the signals and connecting the output with the time difference measuring instrument, the time difference measuring instrument measures the time difference through the pulse counting circuit and sends the accurate measurement result of the time difference of the ultrasonic signals to the main control chip through the address bus and the data bus;

the main control chip transmits the time difference of the 5 paths of ultrasonic signals to a target track master control computer through a wireless communication module;

the ultrasonic signal acquisition and processing circuit board further comprises a circuit board and a communication module power supply battery pack, wherein the circuit board and the communication module power supply battery pack provide power sources for effective work for all parts of the ultrasonic signal acquisition and processing circuit board and the communication module.

6. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 5, characterized in that: the data acquisition assembly further comprises a temperature sensor and a temperature acquisition circuit, and the temperature sensor is arranged in the closed target cavity; the temperature acquisition circuit is connected with the main control chip through the single bus, acquires an environmental temperature value through the temperature sensor and sends acquired temperature data to the main control chip through the single bus.

7. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 1, characterized in that: the target cavity comprises a frame and front and rear target surfaces to be bounced, the frame comprises a left side plate, a right side plate and an upper top plate, wherein the left side plate, the right side plate, the upper top plate, the front target surface to be bounced and the rear target surface to be bounced jointly form the target cavity with an opening at the bottom, the left side plate is sealed with the joints of the upper top plate, the front target surface to be bounced and the rear target surface to be bounced in a gluing mode, and the right side plate is sealed with the joints of the upper top plate, the front target surface to be bounced and the rear;

the target frame comprises an ultrasonic probe mounting seat and a supporting seat, the ultrasonic probe mounting seat is fixed on the upper portion of the supporting seat, the size of the ultrasonic probe mounting seat is smaller than that of an opening in the bottom of the target cavity, the ultrasonic probe mounting seat is embedded into the target cavity, and a seam between the opening in the bottom of the target cavity and the supporting seat is sealed through glue.

8. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 2, characterized in that: the 5 ultrasonic sensors arranged in an arc shape adopt 18K ultrasonic sensors, the effective detection distance is not less than 1m, and the detection boundary included angle is not less than 120 degrees.

9. The utility model provides a closed U type arrangement supersound automatic target scoring system which characterized in that: the system comprises a closed target cavity, five closed U-shaped arrayed ultrasonic sensors, a temperature sensor, a sensor mounting seat, an ultrasonic signal acquisition and processing circuit board, a communication module, a target path branch control computer, a network switch or a Wifi wireless router, a target path general control computer, a watching television and a score output printer; 5 closed U-shaped array ultrasonic sensors and 1 temperature sensor are arranged below the closed target cavity, the output ends of the ultrasonic sensors and the temperature sensors are connected with an ultrasonic signal acquisition and processing circuit board through signal cables, and the ultrasonic signal acquisition and processing circuit board is connected with a communication module through signal cables; the communication module is in wired or wireless communication with the target track general control computer through a network switch or a Wifi wireless router, and the calculation result of the ultrasonic signal acquisition and processing circuit board is sent to the target track general control computer; the general control computer is connected with the target path branch control computer and the watching television through network cables, and issues the shooting score to the target path branch control computer and/or the watching television for display; the target machine master control computer opens a sub-control operation function to the target path sub-control computers; the target path general control computer is connected with the printer and can output the shooting scores as paper media at any time.

10. The closed U-shaped arrangement ultrasonic automatic target scoring system according to claim 9, characterized in that: the target path general control computer displays (X, Y) coordinate values in the target-reporting software according to the mathematical model, then judges the ring number and the orientation information according to the target shape, and sends the final result to the target path branch control computer or the watching television through the network switch; the target path general control computer opens a sub-control function to the target path sub-control computer, and the external printer of the target path general control computer can print shooting scores of shooters.

Technical Field

The invention relates to the technical field of ultrasonic waves, in particular to a closed U-shaped array ultrasonic automatic target scoring system.

Background

The precision target-scoring is a training target-scoring means frequently used for shooting training in military training of policemen and troops, aims to provide objective and accurate standard conditions for shooting training, examination and competition, and is favorable for improving the accuracy of ball firing. The existing ultrasonic target scoring technology has no compensation algorithm for the balance of an ultrasonic probe and the machining error of a mechanical structural part.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a closed U-shaped arrangement ultrasonic automatic target scoring system which comprises a target, a communication network and a master control system, wherein the target is provided with a data acquisition assembly, the data acquisition assembly acquires impact point data and transmits the impact point data to the master control system through the communication network, and the master control system gives a shooting score, and is characterized in that: the target comprises a target cavity and a target frame, the target cavity is arranged on the target frame, and a fixed base is arranged on the target frame; the data acquisition assembly comprises ultrasonic sensors which are arranged on a fixed base in a U-shaped array.

Furthermore, the data acquisition assembly comprises 5 ultrasonic sensors, the 5 ultrasonic sensors are uniformly arranged on the fixed base in concentric circles on arcs with the same radius, and the included angle between the axes of the adjacent sensors is 10-30 degrees.

Further, 5 ultrasonic sensors are on the same longitudinal plane.

Furthermore, the data acquisition assembly also comprises an ultrasonic signal acquisition and processing circuit board, and the ultrasonic signal acquisition and processing circuit board is in electrical signal connection with the ultrasonic sensor; the 5 ultrasonic sensors are sequentially provided with a No. 1 ultrasonic probe, a No. 2 ultrasonic probe, a No. 3 ultrasonic probe, a No. 4 ultrasonic probe and a No. 5 ultrasonic probe from left to right, wherein the No. 1 ultrasonic probe, the No. 3 ultrasonic probe and the No. 5 ultrasonic probe form a group to carry out first ultrasonic signal detection, and corresponding coordinate values (X1, Y1) are calculated through an ultrasonic signal acquisition and processing circuit board; the No. 2 ultrasonic probe, the No. 3 ultrasonic probe and the No. 4 ultrasonic probe are a group to carry out secondary ultrasonic signal detection, and corresponding coordinate values (X2, Y2) are solved again through an ultrasonic signal acquisition and processing circuit board; the ultrasonic signal acquisition and processing circuit board performs average value operation on (X1, Y1) and (X2, Y2), and transmits the calculated average value (X, Y) of (X1, Y1) and (X2, Y2) as a coordinate value of the impact point to the overall control system.

Furthermore, the ultrasonic signal acquisition and processing circuit board comprises 5 sensor signal acquisition circuits, a sensor preamplification circuit, a signal filter circuit, a main amplification circuit, a voltage follower circuit and a voltage comparison circuit, and is provided with a time difference measuring instrument, a main control chip, a wireless communication module and a power converter;

the 5-path sensor signal acquisition circuit respectively acquires ultrasonic signals of a No. 1 ultrasonic probe, a No. 2 ultrasonic probe, a No. 3 ultrasonic probe, a No. 4 ultrasonic probe and a No. 5 ultrasonic probe and sends the ultrasonic signals to the preamplification circuit;

the pre-amplification circuit is connected with the primary filter circuit, amplifies the signal received by the ultrasonic sensor to a certain amplitude and then sends the signal to the signal filter circuit;

the signal filtering circuit is connected with the main amplifying circuit, and is used for effectively filtering interference noise signals and then sending the signals to the main amplifying circuit, and the main amplifying circuit is used for enhancing the signal intensity;

the voltage follower circuit is connected with the main amplifying circuit and is used for enhancing the output driving capability of signals;

the voltage comparison circuit is connected with the voltage follower circuit and is used for judging the output intensity of the signal and connecting the output with the time difference measuring instrument, the time difference measuring instrument measures the time difference through the pulse counting circuit and sends the accurate measurement result of the time difference of the ultrasonic signal to the main control chip through the address bus and the data bus;

the main control chip transmits the time difference of the 5 paths of ultrasonic signals to a target road main control computer through a wireless communication module;

the ultrasonic signal acquisition and processing circuit board further comprises a circuit board and a communication module power supply battery pack, wherein the circuit board and the communication module power supply battery pack provide power sources for effective work for all parts of the ultrasonic signal acquisition and processing circuit board and the communication module.

Furthermore, the data acquisition assembly also comprises a temperature sensor and a temperature acquisition circuit, wherein the temperature sensor is arranged in the closed target cavity; the temperature acquisition circuit is connected with the main control chip through the single bus, acquires an environmental temperature value through the temperature sensor and sends acquired temperature data to the main control chip through the single bus.

Furthermore, the target cavity comprises a frame and front and rear target surfaces, the frame comprises a left side plate, a right side plate and an upper top plate, wherein the left side plate, the right side plate, the upper top plate, the front target surface and the rear target surface jointly enclose a target cavity with an opening at the bottom, the left side plate is sealed with the joints of the upper top plate, the front target surface and the rear target surface, and the right side plate is sealed with the joints of the upper top plate, the front target surface and the rear target surface;

the target frame comprises an ultrasonic probe mounting seat and a supporting seat, the ultrasonic probe mounting seat is fixed on the upper portion of the supporting seat, the size of the ultrasonic probe mounting seat is smaller than that of an opening in the bottom of the target cavity, the ultrasonic probe mounting seat is embedded into the target cavity, and a seam between the opening in the bottom of the target cavity and the supporting seat is sealed through glue.

Furthermore, the 5 ultrasonic sensors arranged in an arc shape adopt 18K ultrasonic sensors, the effective detection distance is not less than 1m, and the detection boundary included angle is not less than 120 degrees.

The invention also provides a closed U-shaped arrangement ultrasonic automatic target scoring system which comprises a closed target cavity, five closed U-shaped arrangement ultrasonic sensors, a temperature sensor, a sensor mounting seat, an ultrasonic signal acquisition and processing circuit board, a communication module, a target path branch control computer, a network switch or a Wifi wireless router, a target path general control computer, a watching television and a score output printer; 5 closed U-shaped array ultrasonic sensors and 1 temperature sensor are arranged below the closed target cavity, the output ends of the ultrasonic sensors and the temperature sensors are connected with an ultrasonic signal acquisition and processing circuit board through signal cables, and the ultrasonic signal acquisition and processing circuit board is connected with a communication module through signal cables; the communication module is in wired or wireless communication with the target track general control computer through a network switch or a Wifi wireless router, and the calculation result of the ultrasonic signal acquisition and processing circuit board is sent to the target track general control computer; the general control computer is connected with the target path branch control computer and the watching television through a network cable, and issues the shooting score to the target path branch control computer and/or the watching television for display; the target machine master control computer opens a sub-control operation function to the target path sub-control computers; the target path general control computer is connected with the printer and can output the shooting scores as paper media at any time.

Further, the target way general control computer displays (X, Y) coordinate values in the target reporting software according to the mathematical model, then judges the ring number and the azimuth information according to the target shape, and sends the final result to the target way branch control computer and/or the watching television through the network switch; the target path general control computer opens a sub-control function to the target path sub-control computer, and the external printer of the target path general control computer can print shooting scores of shooters.

Has the advantages that: according to the invention, a sealed target cavity is formed by the frame and the front and rear target surfaces to be shot, the sealed target cavity has the function of isolating clutter interference outside a target reporting area, a relatively stable ultrasonic wave propagation environment is formed inside the sealed target cavity, and when a shot passes through the front and rear target surfaces, the shot is rubbed with the target surfaces to generate ultrasonic waves; the bottom of the closed target cavity is provided with ultrasonic signal acquisition probe components which are arranged in an arc shape and are used for acquiring ultrasonic signals generated by friction between the projectile and the target surface and the ambient temperature in the closed target cavity; the 5 ultrasonic sensors are in a U-shaped array mode, are arranged on the sensor mounting seat in an equal way on arcs which are concentric with a circle and have the same radius, and the included angle between the axes of the adjacent sensors is 15 degrees. The 5 ultrasonic sensors perform twice operation and then perform average value calculation, and the average value is taken as an impact point coordinate value, so that the target reporting error caused by processing is effectively solved.

Drawings

FIG. 1 is a schematic structural diagram of a closed U-shaped arrangement ultrasonic automatic target scoring system;

FIG. 2 is a schematic diagram of a target structure;

FIG. 3 is an arc-shaped arrangement diagram of sensors of the closed U-shaped arrangement ultrasonic automatic target-scoring system;

FIG. 4 is a schematic circuit diagram of an ultrasonic signal acquisition and processing circuit board;

FIG. 5 is a schematic structural view of a fixing base;

FIG. 6 is an exemplary diagram of a calculation formula of an ultrasonic signal acquisition and processing circuit board;

fig. 7 is an enlarged view of the structure of the fixed base.

Detailed Description