CN111879182B - Closed U-shaped array ultrasonic automatic target reporting system - Google Patents
Closed U-shaped array ultrasonic automatic target reporting system Download PDFInfo
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- CN111879182B CN111879182B CN202010522348.2A CN202010522348A CN111879182B CN 111879182 B CN111879182 B CN 111879182B CN 202010522348 A CN202010522348 A CN 202010522348A CN 111879182 B CN111879182 B CN 111879182B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/06—Acoustic hit-indicating systems, i.e. detecting of shock waves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J1/00—Targets; Target stands; Target holders
- F41J1/10—Target stands; Target holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/14—Apparatus for signalling hits or scores to the shooter, e.g. manually operated, or for communication between target and shooter; Apparatus for recording hits or scores
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention relates to a closed U-shaped array ultrasonic automatic target reporting system, which adopts a sealed target cavity formed by adding front and rear bullet receiving target surfaces on a frame, wherein 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 bullet passes through the front and rear target surfaces, the bullet rubs with the target surfaces to generate ultrasonic waves; an arc-shaped ultrasonic signal acquisition probe part is arranged at the bottom of the closed target cavity and 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 and are equally arranged on arcs with concentric centers and same radius on the sensor mounting seat, and the included angle between the axes of the adjacent sensors is 15 degrees. The 5 ultrasonic sensors perform two operations and then perform average value calculation, and the average value is taken as the impact point coordinate value, so that the target reporting error caused by processing is effectively solved.
Description
Technical Field
The invention relates to the technical field of ultrasonic waves, in particular to a closed U-shaped array ultrasonic automatic target reporting system.
Background
The accuracy target report is a training target report means frequently used in shooting training in police and army military training, aims to provide objective and accurate standard conditions for shooting training, examination and competition, and is beneficial to improving the accuracy of ball firing. The existing ultrasonic wave target-reporting technology does not have a compensation algorithm for the balance of the ultrasonic probe and the machining error of the mechanical structural part.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a closed U-shaped array ultrasonic automatic target reporting system, which comprises a target, a communication network and a master control system, wherein a data acquisition assembly is arranged on the target, the data acquisition assembly acquires impact point data and sends the impact point data to the master control system through the communication network, and the master control system gives shooting results, and the system is characterized in that: the target comprises a target cavity and a target frame, wherein the target cavity is arranged on the target frame, and a fixed base is arranged on the target frame; the data acquisition assembly comprises an ultrasonic sensor which is arranged on the fixed base in a U-shaped array.
Further, the data acquisition assembly comprises 5 ultrasonic sensors, wherein the 5 ultrasonic sensors are equally arranged on an arc line with the same radius in a concentric circle on the fixed base, and an included angle between axes of adjacent sensors is 10-30 degrees.
Further, 5 ultrasonic sensors are on the same longitudinal plane.
Further, the data acquisition assembly further comprises an ultrasonic signal acquisition and processing circuit board, and the ultrasonic signal acquisition and processing circuit board is connected with the ultrasonic sensor through an electric signal; the 5 ultrasonic sensors are sequentially 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 are used for carrying out first ultrasonic signal detection, and corresponding coordinate values (X1 and Y1) are calculated through an ultrasonic signal acquisition and processing circuit board; the ultrasonic signal acquisition and processing circuit board is used for calculating corresponding coordinate values (X2 and Y2) again; the ultrasonic signal acquisition and processing circuit board carries out average value operation on the (X1, Y1) and the (X2, Y2), and sends the calculated average value (X, Y) of the (X1, Y1) and the (X2, Y2) to the master control system as an impact point coordinate value.
Further, the ultrasonic signal acquisition and processing circuit board comprises 5 paths of sensor signal acquisition circuits, a sensor pre-amplifying circuit, a signal filtering circuit, a main amplifying circuit, a voltage following 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 pre-amplification circuit;
the pre-amplifying circuit is connected with the first-stage filtering circuit and is used for amplifying signals received by the ultrasonic sensor to a certain amplitude and then sending the amplified signals to the signal filtering circuit;
The signal filtering circuit is connected with the main amplifying circuit, and the signal filtering circuit 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 strength;
the voltage follower circuit is connected with the main amplifying circuit and used for enhancing the output driving capability of signals;
The voltage comparison circuit is connected with the voltage following circuit, the voltage comparison circuit 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 an accurate measuring result of the time difference of the ultrasonic signal is sent to the main control chip through the address bus and the data bus;
the main control chip transmits the time difference of 5 paths of ultrasonic signals to the target path main control computer through the wireless communication module;
the ultrasonic power supply device 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 effective working power for each part of the ultrasonic signal acquisition and processing circuit board and the communication module.
Further, the data acquisition assembly further 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 a single bus, acquires an ambient temperature value through a temperature sensor, and sends acquired temperature data to the main control chip through the single bus.
Further, the target cavity comprises a frame and front and rear bullet 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 bullet target surface and the rear bullet target surface jointly enclose a target cavity with an opening at the bottom, the joints of the left side plate, the upper top plate, the front bullet target surface and the rear bullet target surface are sealed by glue, and the joints of the right side plate, the upper top plate, the front bullet target surface and the rear bullet target surface are sealed by glue;
the target frame comprises an ultrasonic probe mounting seat and a supporting seat, wherein 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 at the bottom of the target cavity, the ultrasonic probe mounting seat is embedded into the target cavity, and a joint between the opening at the bottom of the target cavity and the supporting seat is sealed by glue.
Furthermore, the 5 arc-shaped ultrasonic sensors 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 array ultrasonic automatic target reporting system, which comprises a closed target cavity, five closed U-shaped array ultrasonic sensors, a temperature sensor, a sensor mounting seat, an ultrasonic signal acquisition and processing circuit board, a communication module, a target path sub-control computer, a network switch or a Wifi wireless router, a target path total control computer, a sightseeing television and achievement output printer; 5 closed U-shaped array ultrasonic sensors and 1 temperature sensor are arranged below the inner part of 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 performs wired or wireless communication with the target path master control computer through a network switch or a Wifi wireless router, and sends the calculation result of the ultrasonic signal acquisition and processing circuit board to the target path master control computer; the main control computer is connected with the target path sub-control computer and the sightseeing television through a network cable, and the shooting results are transmitted to the target path sub-control computer and/or the sightseeing television for display; the target aircraft master control computer opens a sub-control operation function for the target track sub-control computer; the target path master control computer is connected with the printer, and can output the shooting results to paper media at any time.
Further, the target path total control computer displays (X, Y) coordinate values in target reporting software according to a mathematical model, judges ring number and azimuth information according to target shapes, and sends a final result to the target path sub control computer and/or a viewing television through a network switch; the target path master control computer opens the control function of the target path slave control computer, and the target path master control computer is externally connected with a printer to print the shooting results of the shooters.
The beneficial effects are that: the invention adopts the frame and the front and back bullet receiving target surfaces to form the sealed target cavity, the sealed target cavity has the clutter interference function outside the target reporting area, a relatively stable ultrasonic wave propagation environment is formed inside the sealed target cavity, and when the bullet passes through the front and back target surfaces, the bullet rubs with the target surfaces to generate ultrasonic waves; an arc-shaped ultrasonic signal acquisition probe part is arranged at the bottom of the closed target cavity 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 array mode and are equally arranged on the arc lines with the same center and the same radius on the sensor mounting seat, 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 diagram of a closed U-shaped array ultrasonic automatic target reporting system;
FIG. 2 is a schematic diagram of a target structure;
FIG. 3 is an arc array diagram of a closed U-shaped array ultrasonic automatic target reporting system sensor;
FIG. 4 is a schematic diagram of an ultrasonic signal acquisition and processing circuit board;
FIG. 5 is a schematic view of a stationary base structure;
FIG. 6 is an exemplary diagram of an ultrasonic signal acquisition and processing circuit board calculation formula;
fig. 7 is an enlarged schematic view of the fixed base structure.
Detailed Description
Example 1: as shown in fig. 1, a closed type U-shaped array ultrasonic automatic target reporting system comprises a target 100, a communication network 200 and a general control system 300.
As shown in fig. 2, a data acquisition component is disposed on the target 100, and the data acquisition component acquires impact point data and sends the impact point data to a master control system through a communication network, and the master control system gives shooting results.
The target 100 comprises a target cavity 101 and a target frame 102, wherein the target cavity 101 is arranged on the target frame 102, and a fixed base 103 is arranged on the target frame 102; the data acquisition assembly comprises an ultrasonic sensor 104, and the ultrasonic sensor 104 is arranged on a fixed base 103 in a U-shaped array. Further, the fixed base 103 is arc-shaped.
Further, the data acquisition assembly includes 5 ultrasonic sensors, the 5 ultrasonic sensors are equally arranged on an arc line with the same radius in concentric circles on the fixed base 103, and an included angle between axes of adjacent ultrasonic sensors 104 is 1-36 °, preferably an included angle between axes of adjacent ultrasonic sensors 104 is 10-30 °.
Further, 5 ultrasonic sensors 104 are on the same longitudinal plane.
Further, as shown in fig. 3, the data acquisition assembly further comprises an ultrasonic signal acquisition and processing circuit board, and the ultrasonic signal acquisition and processing circuit board is electrically connected with the ultrasonic sensor; the ultrasonic sensor comprises 5 ultrasonic sensors, wherein the 5 ultrasonic sensors are sequentially 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, the ultrasonic sensors are ultrasonic sensors, the No. 1 ultrasonic probe, the No. 3 ultrasonic probe and the No. 5 ultrasonic probe are used for carrying out first ultrasonic signal detection in a group, and corresponding coordinate values (X1 and Y1) are calculated through an ultrasonic signal acquisition and processing circuit board;
The ultrasonic signal acquisition and processing circuit board is used for calculating corresponding coordinate values (X2 and Y2) again;
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) to the general control system 300 as an impact point coordinate value.
To facilitate the understanding of the algorithm, the following is a specific description with reference to fig. 3 and 6:
the position of the ultrasonic sensor at the middle of the 5 ultrasonic sensors is taken as the zero point of the transverse coordinate and the longitudinal coordinate.
When the projectile passes through the front and rear target surfaces, the projectile rubs with the target surfaces to generate an ultrasonic source, and the ultrasonic sensor captures signals, in this example, the point P in fig. 6 is taken as an example, a group of ultrasonic sensors (probe No. 1, probe No. 3, probe No. 5) are taken as an example, and the sensors with three points A, O, B are taken as an example in fig. 6.
The coordinate value of the point A is (-a, b); the coordinate value of the O point is (0, 0); the coordinate value of the point B is (-a, B);
solving for P (X, Y)
The ultrasonic sensor A collects ultrasonic waves of a P point, and the distance of PA is=T1×V;
the ultrasonic sensor collects ultrasonic waves of a P point, and the distance of PO=T2×V;
the ultrasonic sensor B collects ultrasonic waves of the point P, and the distance PB of the ultrasonic sensor B=T2×V;
the following operation formula is adopted:
S1＝PA-PO＝(T1-T2)*V
S2＝PO-PB＝(T2-T3)*V
V = sound velocity, taking 1 normal atmospheric pressure and sound velocity 340 m/s at 15 ℃.
The following formula is adopted:
sqrt((x+a)^2+(y-b)^2)-sqrt(x^2+y^2)＝S1
sqrt(x^2+y^2)-sqrt((x-a)^2+(y-b)^2)＝S2
The above equation can be used to obtain the x and y values
The calculation principle is as described above.
The x1 and y1 values of the sensors 1, 3 and 5 are calculated, the x2 and y2 values of the sensors 2,3 and 4 are calculated again, and then the average value is taken as the coordinate value of the P point.
The 5 probes perform two operations and then perform average value calculation, and the average value is taken as the coordinate value of the impact point, so that the production and processing errors of the target are solved.
Furthermore, the 5 arc-shaped ultrasonic sensors 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.
Further, as shown in fig. 4, the ultrasonic signal acquisition and processing circuit board includes 5 paths of sensor signal acquisition circuits, and includes a sensor pre-amplifying circuit, a signal filtering circuit, a main amplifying circuit, a voltage follower circuit, a voltage comparator 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 pre-amplification circuit;
the pre-amplifying circuit is connected with the first-stage filtering circuit and is used for amplifying signals received by the ultrasonic sensor to a certain amplitude and then sending the amplified signals to the signal filtering circuit;
The signal filtering circuit is connected with the main amplifying circuit, and the signal filtering circuit 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 strength;
the voltage follower circuit is connected with the main amplifying circuit and used for enhancing the output driving capability of signals;
The voltage comparison circuit is connected with the voltage following circuit, the voltage comparison circuit 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 an accurate measuring result of the time difference of the ultrasonic signal is sent to the main control chip through the address bus and the data bus;
the main control chip transmits the time difference of 5 paths of ultrasonic signals to the target path main control computer through the wireless communication module;
the ultrasonic power supply device 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 effective working power for each part of the ultrasonic signal acquisition and processing circuit board and the communication module.
Further, the data acquisition assembly further 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 a single bus, acquires an ambient temperature value through a temperature sensor, and sends acquired temperature data to the main control chip through the single bus.
Further, as shown in fig. 2, the target cavity 101 includes a frame and front and rear spring-loaded targets, the frame includes 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 spring-loaded targets, and the rear spring-loaded targets jointly enclose a target cavity with an opening at the bottom, the joints of the left side plate, the upper top plate, the front and rear spring-loaded targets are sealed with glue, and the joints of the right side plate, the upper top plate, the front and rear spring-loaded targets are sealed with glue;
As shown in fig. 5, the fixing base 103 includes an ultrasonic probe mounting seat 105 and a supporting seat 106, the ultrasonic probe mounting seat 105 is fixed on the upper portion of the supporting seat 106, the size of the ultrasonic probe mounting seat 105 is smaller than the size of the opening at the bottom of the target cavity, the ultrasonic probe mounting seat 105 is embedded in the target cavity, and the joint between the opening at the bottom of the target cavity and the supporting seat 106 is sealed by glue. Whereby the target cavity forms a closed target cavity. The airtight target cavity has a clutter dry burning function outside the target reporting area, is formed by adding front and rear bullet receiving target surfaces on a frame, and has the function of forming a relatively stable ultrasonic wave propagation environment in the airtight target cavity, and when a bullet passes through the front and rear target surfaces, the bullet rubs with the target surfaces to generate an ultrasonic wave source;
Further, the ultrasonic probe mounting seat 105 is provided with 5 ultrasonic probe mounting grooves 107,5 ultrasonic probe mounting grooves 107 which are uniformly arranged on the arc lines with the same radius in concentric circles on the ultrasonic probe mounting seat 105, and the included angle between the axes of the adjacent ultrasonic probe mounting grooves 107 is 1-36 degrees, preferably, the included angle between the axes of the adjacent ultrasonic probe mounting grooves 107 is 10-30 degrees. The ultrasonic probe is an ultrasonic sensor. The ultrasonic probe mounting groove 107 is sized to match the ultrasonic transducer. The ultrasonic sensor is located in the ultrasonic probe mounting groove 107. Further, an insulating rubber shock pad is additionally arranged between the ultrasonic sensor and the sensor mounting groove. Further, a temperature sensor fixing seat 108 is further provided on the ultrasonic probe mounting seat 105, the temperature sensor 109 is fixed on the temperature sensor fixing seat 108, and insulation treatment is performed between the temperature sensor and the sensor mounting seat.
Example 2: as shown in fig. 1, 2 and 5, the invention also provides a closed type U-shaped array ultrasonic automatic target reporting system, which comprises a closed target cavity 101, 5 closed type U-shaped array ultrasonic sensors 104, a temperature sensor 109, a sensor mounting seat 105, an ultrasonic signal acquisition and processing circuit board, a communication module, a target lane sub-control computer, a network switch or a Wifi wireless router, a target lane main control computer, a sightseeing television and a score output printer; 5 closed U-shaped array ultrasonic sensors 104 and 1 temperature sensor 109 are arranged below the inner part of the closed target cavity 101, the output ends of the ultrasonic sensors 104 and the temperature sensors 109 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 the signal cables; the communication module performs wired or wireless communication with the target track total control computer through a network switch or a Wifi wireless router, and sends the calculation result of the ultrasonic signal acquisition and processing circuit board to the target track total control computer 300; the general control computer 300 is connected with the target path sub-control computer and the sightseeing television through network cables, and the shooting results are issued to the target path sub-control computer and/or the sightseeing television for display; the target aircraft master control computer opens a sub-control operation function for the target track sub-control computer; the target path master control computer is connected with the printer, and can output the shooting results to paper media at any time.
Further, the target track total control computer 300 displays (X, Y) coordinate values in target reporting software according to a mathematical model, judges ring number and azimuth information according to target shapes, and transmits a final result to a target track sub-control computer and/or a viewing television through a network switch; the target path master control computer opens the control function of the target path slave control computer, and the target path master control computer is externally connected with a printer to print the shooting results of the shooters.
Example 3: as shown in fig. 1, 2 and 5, the closed type U-shaped array ultrasonic automatic target reporting system comprises a closed target cavity 101, 5 closed type U-shaped array ultrasonic sensors 104, a temperature sensor 109, a sensor mounting seat 105, an ultrasonic signal acquisition and processing circuit board, a communication module, a target lane sub-control computer, a network switch or Wifi wireless router, a target lane main control computer, a sightseeing television and a score output printer; five closed U-shaped array ultrasonic sensors 104 and a temperature sensor 109 are arranged below the inside of the closed acoustic cavity, the output ends of the ultrasonic sensors and the temperature sensor 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 performs wired or wireless communication with the target track total control computer through a network switch or a Wifi wireless router, and sends the calculation result of the ultrasonic signal acquisition and processing circuit board to the target track total control computer; the main control computer is connected with the target path sub-control computer and the sightseeing television through network cables, and the shooting results are issued to the target path sub-control computer and the sightseeing television for display; the target aircraft master control computer opens a sub-control operation function for the target track sub-control computer; the target path master control computer is connected with the printer, and can output the shooting results to paper media at any time.
Preferably, the airtight target cavity has a clutter dry burning function outside the target reporting area, is formed by adding front and rear bullet receiving target surfaces to a frame, and has the function of forming a relatively stable ultrasonic wave propagation environment in the airtight target cavity, and when a bullet passes through the front and rear target surfaces, the bullet rubs with the target surfaces to generate an ultrasonic wave source;
preferably, the five arc-shaped ultrasonic sensors are 18K ultrasonic sensors, the effective detection distance is not less than 1m, the detection boundary included angle is not less than 120 degrees, and the distance from an ultrasonic source to a detection surface of the sensor is detected.
Preferably, the temperature sensor is used for detecting the internal environment temperature data of the closed target cavity.
Preferably, the sensor mounting seat is used for mounting a fixing base of the ultrasonic device and the temperature sensor, an insulating rubber shock pad is additionally arranged between the ultrasonic sensor and the sensor mounting seat, and insulation treatment is performed between the temperature sensor and the sensor mounting seat.
Preferably, the ultrasonic signal acquisition and processing circuit board is a core component for receiving, processing, resolving and outputting resolving results of ultrasonic signals and ambient temperature signals.
Preferably, the communication module is a communication component for uploading the numerical information of the impact point coordinates calculated by the ultrasonic signal acquisition and processing circuit board to the target path master control computer, and the communication mode is wire/wireless compatible and is realized by adopting a network switch or a Wifi wireless router.
Preferably, the target path total control computer can display (X, Y) coordinate values in target reporting software according to a mathematical model, then judge ring number and azimuth information according to target shapes, and issue a final result to the target path sub control computer and the viewing television through a network switch; the target path master control computer opens the control function of the target path slave control computer, and the target path master control computer is externally connected with a printer to print the shooting results of the shooters.
Example 4: the closed U-shaped array ultrasonic automatic target reporting system comprises a closed target cavity, five closed U-shaped array ultrasonic sensors, a temperature sensor, a sensor mounting seat, an ultrasonic signal acquisition and processing circuit board, a communication module, a circuit board and a communication module power supply battery pack, a target lane sub-control computer, a network exchanger or a Wifi wireless router, a target lane total control computer, a sightseeing television and a score output printer; five closed U-shaped array ultrasonic sensors and a temperature sensor are arranged below the inner part of the closed target cavity, the output ends of the ultrasonic sensors and the temperature sensor 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 performs wired or wireless communication with the target track total control computer through a network switch or a Wifi wireless router, and sends the calculation result of the ultrasonic signal acquisition and processing circuit board to the target track total control computer; the main control computer is connected with the target path sub-control computer and the sightseeing television through network cables, and the shooting results are transmitted to the target path sub-control computer and the sightseeing television for display; the target aircraft master control computer opens a sub-control operation function for the target track sub-control computer; the target path master control computer is connected with the printer, and can output the shooting results to paper media at any time.
The closed target cavity has the clutter interference function outside the target reporting area, and is formed by adding front and rear bullet receiving target surfaces on a frame; forming a relatively stable ultrasonic wave propagation environment in the closed target cavity, and generating ultrasonic waves by friction with the target surface when the projectile passes through the front target surface and the rear target surface; an arc-shaped ultrasonic signal acquisition probe part is arranged at the bottom of the closed target cavity and 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 five ultrasonic sensors are equally arranged on the arc lines with the same center and the same radius on the sensor mounting seat, and the included angle between the axes of the adjacent sensors is 15 degrees; the temperature sensor is arranged on the sensor mounting seat.
The ultrasonic signal acquisition and processing circuit board is used for calculating corresponding coordinate values (X1, Y1) through the ultrasonic signal acquisition and processing circuit board; the ultrasonic probe No.2, the ultrasonic probe No. 3 and the ultrasonic probe No. 4 are combined to carry out the second ultrasonic signal detection, and the corresponding coordinate values (X2 and Y2) are calculated again through the ultrasonic signal acquisition and processing circuit board; and (3) carrying out average value operation on the (X1, Y1) and the (X2, Y2), and compensating the balance of the ultrasonic probe and the machining error of the mechanical structural part to obtain impact point coordinate values (X, Y).
The ultrasonic signal acquisition and processing circuit board comprises five paths of sensor signal acquisition circuits, and is provided with a time difference measuring instrument, a temperature acquisition measuring and converting circuit, a data transceiver, a communication module and a power supply converter.
The ultrasonic signal acquisition and processing circuit board mainly comprises five paths of sensor pre-amplifying circuits, a signal filtering circuit, a main amplifying circuit, a voltage follower circuit and a voltage comparison circuit, and is provided with a time difference measuring instrument, a temperature acquisition circuit, a main control chip, a wireless communication module and a power converter; the pre-amplifying circuit is connected with the first-stage 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 the signal filtering circuit effectively filters interference noise signals and then sends the signals to the main amplifying circuit; the main amplifying circuit is used for enhancing the signal intensity; the voltage follower circuit is connected with the main amplifying circuit and used for enhancing the output driving capability of signals; the voltage comparison circuit 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 accurate measurement results of the time difference of five ultrasonic signals to the main control chip through the address bus and the data bus; the temperature acquisition circuit acquires an ambient temperature value and sends acquired temperature data to the main control chip through a single bus; the main control chip transmits the time difference and temperature data of the five ultrasonic signals to the target track main control computer through the wireless communication module.
The circuit board and the communication module power supply battery pack provide effective working power for each part of the ultrasonic signal acquisition and processing circuit board and the communication module.
The network exchanger or the Wifi wireless router can effectively send the data signals collected in a plurality of targets to a target path total control computer, the target path total control computer is provided with software for centralized control and score statistics, the score of each shooting position can be effectively managed, and a shooting score list can be printed through a printer.
The target path total control computer can display (X, Y) coordinate values in target reporting software according to a mathematical model, then judge ring number and azimuth information according to target shapes, and issue a final result to the target path sub control computer and the viewing television through a network switch; the target path master control computer opens the control function of the target path slave control computer, and the target path master control computer is externally connected with a printer to print the shooting results of the shooters.
Claims (4)
1. The utility model provides a closed U type is arranged supersound and is reported to target system automatically, includes target, communication network, total accuse system, is equipped with data acquisition assembly on the target, and data acquisition assembly gathers impact point data to send impact point data to total accuse system through communication network, total accuse system gives shooting achievement, its characterized in that: the target comprises a target cavity and a target frame, wherein the target cavity is arranged on the target frame, and a fixed base is arranged on the target frame; the data acquisition assembly comprises an ultrasonic sensor which is arranged on the fixed base in a U-shaped array;
The data acquisition assembly comprises 5 ultrasonic sensors, wherein the 5 ultrasonic sensors are uniformly arranged on an arc line with the same radius in concentric circles on the fixed base, and the included angle between the axes of the adjacent sensors is 10-30 degrees;
5 ultrasonic sensors are arranged on the same longitudinal surface;
The data acquisition assembly further comprises an ultrasonic signal acquisition and processing circuit board, and the ultrasonic signal acquisition and processing circuit board is connected with the ultrasonic sensor through an electric signal; the 5 ultrasonic sensors are sequentially 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 are used for carrying out first ultrasonic signal detection, and corresponding coordinate values (X1 and Y1) are calculated through an ultrasonic signal acquisition and processing circuit board; the ultrasonic signal acquisition and processing circuit board is used for calculating corresponding coordinate values (X2 and Y2) again; the ultrasonic signal acquisition and processing circuit board carries out average value operation on (X1, Y1) and (X2, Y2), and sends the calculated average value (X, Y) of (X1, Y1) and (X2, Y2) to the master control system as an impact point coordinate value;
the 5 arc-shaped ultrasonic sensors 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.
2. The closed U-shaped array ultrasonic automatic target reporting system of claim 1, wherein: the ultrasonic signal acquisition and processing circuit board comprises 5 paths of sensor signal acquisition circuits, a sensor pre-amplifying circuit, a signal filtering circuit, a main amplifying 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 pre-amplification circuit;
The pre-amplifying circuit is connected with the first-stage filtering circuit and is used for amplifying signals received by the ultrasonic sensor to a certain amplitude and then sending the amplified signals to the signal filtering circuit;
The signal filtering circuit is connected with the main amplifying circuit, and the signal filtering circuit 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 strength;
the voltage follower circuit is connected with the main amplifying circuit and used for enhancing the output driving capability of signals;
The voltage comparison circuit is connected with the voltage following circuit and is used for judging the signal output intensity 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 an accurate measuring result of the time difference of the ultrasonic signal is sent to the main control chip through the address bus and the data bus;
The main control chip transmits the time difference of 5 paths of ultrasonic signals to the target path main control computer through the wireless communication module;
The ultrasonic power supply device 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 effective working power for each part of the ultrasonic signal acquisition and processing circuit board and the communication module.
3. The closed U-shaped array ultrasonic automatic target reporting system of claim 2, wherein: the data acquisition assembly further comprises a temperature sensor and a temperature acquisition circuit, and the temperature sensor is arranged in the airtight target cavity; the temperature acquisition circuit is connected with the main control chip through a single bus, acquires an ambient temperature value through a temperature sensor, and sends acquired temperature data to the main control chip through the single bus.
4. The closed U-shaped array ultrasonic automatic target reporting system of claim 1, wherein: the target cavity comprises a frame and front and rear bullet 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 bullet target surface and the rear bullet target surface jointly enclose a target cavity with an opening at the bottom, the joints of the left side plate, the upper top plate, the front bullet target surface and the rear bullet target surface are sealed by glue, and the joints of the right side plate, the upper top plate, the front bullet target surface and the rear bullet target surface are sealed by glue;
The target frame comprises an ultrasonic probe mounting seat and a supporting seat, wherein 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 at the bottom of the target cavity, the ultrasonic probe mounting seat is embedded into the target cavity, and a joint between the opening at the bottom of the target cavity and the supporting seat is sealed by glue.
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| CN202010522348.2A CN111879182B (en) | 2020-06-10 | 2020-06-10 | Closed U-shaped array ultrasonic automatic target reporting system |
| PCT/CN2021/091918 WO2021249065A1 (en) | 2020-06-10 | 2021-05-06 | Closed u-shaped array ultrasonic automatic target-scoring system |
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| CN202010522348.2A CN111879182B (en) | 2020-06-10 | 2020-06-10 | Closed U-shaped array ultrasonic automatic target reporting system |
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| WO2021249065A1 (en) * | 2020-06-10 | 2021-12-16 | 南京润景丰创信息技术有限公司 | Closed u-shaped array ultrasonic automatic target-scoring system |
| CN113587732A (en) * | 2021-08-14 | 2021-11-02 | 泰泷实业(河北)有限公司 | Shock wave detection circuit of multifunctional target drone |
| CN113587733A (en) * | 2021-08-14 | 2021-11-02 | 泰泷实业(河北)有限公司 | Multifunctional target drone |
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