CN115037876A

CN115037876A - Novel synchronous trigger control method for explosion shooting

Info

Publication number: CN115037876A
Application number: CN202210630323.3A
Authority: CN
Inventors: 吴延梦; 苏洪; 李洪伟; 吴立辉; 杨赛群; 黄昕旭
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-09

Abstract

The invention discloses a novel method for controlling image acquisition by synchronously triggering a high-speed camera and a exploder, which belongs to the technical field of machine synchronous control and comprises the following steps: the integrated signal generator 7 generates and transmits linkage control signals under the control action of a welding wire of the linkage controller 5, and the linkage controller 5 controls the explosion capacitor 6 and the power supply sealing box 8 to release high voltage. The linkage controller 5 rotates the switch to control the two, and the high-speed camera and the blasting explosive are connected and triggered through a lead. The invention can realize the synchronization of explosive detonation and high-speed camera shooting, and can ensure the definition of the image at the moment of explosion and the accuracy and consistency of the image data at the moment of explosion in the image acquisition of a high frame rate.

Description

Novel synchronous trigger control method for explosion shooting

Technical Field

The invention belongs to the technical field of machine synchronous control, and particularly relates to a novel synchronous trigger control method for explosion shooting.

Background

The machine vision technology is widely applied to the fields of production and scientific research, most of the current collection systems of the images at the moment of explosion are independently controlled high-speed cameras and exploders, the images at the moment of explosion are collected through coordinated and unified control of double behaviors, and collection of the images at the moment of explosion can be basically achieved. With the research of the meticulous research of scientific research tasks, higher requirements are put forward on the image acquisition time range and the initial point, and more accurate data are needed to promote the research.

However, in the current control system related to image acquisition at the moment of explosion, because the high-speed camera and the exploder are controlled manually and independently, the high-speed camera and the exploder are difficult to trigger accurately and simultaneously, a synchronous triggering time point is difficult to obtain, and great influence is caused on image selection and later data processing after acquisition.

Disclosure of Invention

The invention aims to solve the problem of synchronous trigger control of a high-speed camera and an exploder, and provides a method for synchronously acquiring images at the moment of explosion so as to solve the problems in the background experiment.

In order to solve the above purpose, the novel synchronous trigger control method for explosion shooting comprises the following specific principles and steps:

step 1: the high-speed camera triggering mode is known, the high-speed camera triggering mode can be connected with an analog monitor and a digital monitor to display shot images in real time, the camera is controlled through a touch screen or a JPAD controller, the principle is that the high-speed camera is controlled to trigger shooting through a single chip microcomputer signal, short-circuit signal triggering is simplified, the triggering mode is optimized, and reliability and accuracy during explosion use are improved.

Step 2: in combination with an exploder required by an explosion experiment, an explosion capacitor 6 is designed to be triggered through the linkage control 5 after the dry battery charges the capacitor, so that the explosion capacitor can output ultrahigh voltage, and the explosive is exploded by electric sparks at the tail end of a lead.

Preferably, the blasting capacitors 6 are designed to be grouped in step 2, having the basic function of a conventional blaster, and capable of ensuring normal blasting of explosives under the control of the linkage controller 5. And a signal generator 7 of the short-circuit wire group is additionally designed, the BNC signal connector 4 is used as an output and input end, the connection steps in the explosion experiment are simplified, the signal generator is used for generating a short-circuit signal under the control of the linkage controller 5, and the short-circuit signal is transmitted to accurately trigger the high-speed camera to shoot.

Preferably, in the step 1, the two output signals can be triggered by one action, and the discharge signal and the short circuit signal are respectively output, so that the explosive and the high-speed camera act simultaneously, and the purpose of shooting images at the moment of explosion is achieved.

Preferably, the basic circuit of the explosion capacitor 6 is guaranteed to be perfect in the step 2, the explosion capacitor has the functions of detecting the circuit conduction state, finishing charging and discharging of the blasting explosive and pressure relief protection, and the linkage controller 5 is used for combining the explosion capacitor and the signal generator 7 and is linked with the signal generator to achieve linkage triggering of the explosion capacitor and the signal generator.

Preferably, in step 1, the signal generator 7 physically rotates the two groups of wires through the knob to make the two groups of wires contact with each other, so as to generate a short-circuit signal, and the signal can complete the work of output, transmission, triggering and the like without an external power supply.

The novel synchronous trigger control method for explosion shooting has the advantages that: (1) the explosion capacitor 6 and the signal generator 7 are combined and connected by adopting the linkage controller 5, so that the accurate control of the shooting of the high-speed camera at the moment of explosion of the explosive is realized, and the observation and the recording of the initial point of the explosion experiment process are facilitated; (2) the signal generator 7 can function through physical contact without an external power supply, and has simple structure and reliable performance; (3) the effective combination of the two can reduce the number of people required by the experiment, reduce the requirement of the experiment, enhance the accuracy of the experimental data and improve the scientificity of the subsequent data analysis and processing.

Drawings

FIG. 1 is a schematic diagram of the method of the present invention;

FIG. 2 is a schematic diagram of an exemplary embodiment of the method of the present invention;

FIG. 3 is a front view of a case panel of the method of the present invention;

in the figure: 1. a housing; 2. a key assembly; 3. blasting the binding post; 4. a BNC signal connector; 5. an interlock controller; 6. an explosion capacitor; 7. a signal generator; 8. a power supply sealing box; 9. a main board; 10. a first cross-recessed pan head screw; 11. a second cross-slotted pan head screw; 12. a cross recessed countersunk flat head screw; 13. magnetic induction coil, 14, nameplate; 15 key door protection covers; 16. BNC signal interface safety cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is explained in detail in the following with reference to the attached figures 1-3.

The invention provides a schematic diagram of a novel synchronous trigger control method for explosion shooting as shown in figure 1, which is mainly characterized in that an explosion capacitor 6 and a signal generator 7 are controlled by a linkage controller 5 in a physical mode to finish the work of explosive initiation, high-speed camera shooting and the like.

In the front panel view 3, the housing 1 is characterized in that: the shell 1 is provided with a key assembly 2, a blasting binding post 3, a BNC signal output connector 4 and a nameplate 14, a linkage controller 5, an explosion capacitor 6, a signal generator 7, a power supply sealing box 8, a main board 9 and a magnetic induction coil 13 are arranged inside the shell bottom, and a panel of the implementation case is connected with a high-speed camera and explosive through wires.

And the linkage controller 5 is used for controlling the blasting capacitor 6, the signal generator 7, the power supply sealing box 8 and the like, making corresponding actions, controlling the power supply sealing box 8 to output a constant current signal, controlling the magnetic induction coil 13 to boost the voltage, input the blasting capacitor 7 to output a current signal to an external detonator, and simultaneously controlling the short-circuit position of the signal generator 7 to output a control signal to the high-speed camera.

The blasting capacitor 6 is used for outputting blasting current to the detonator connected with the blasting capacitor to blast the blasting device;

the signal generator 7 is used for outputting a short-circuit control signal to the high-speed video camera connected with the signal generator and triggering the camera to shoot;

the power supply sealing box 8 is used for providing a stable 5V power supply for the explosion capacitor 6;

in the structural schematic diagram 2, the explosion binding post 3 is connected with the internal explosion capacitor 6 inside the shell 1, the BNC signal output connecting port 4 is connected with the signal generator 7, and the key assembly 2 is connected with the explosion capacitor 6 and the signal generator 7.

The explosion capacitor 6 and the signal generator 7 are controlled by the joint control controller 5 in a physical mode, the three are simplified in structure, power is only required to be supplied to the explosion capacitor 6, the rest of the three are in physical contact, an external power supply is not required, and the signal generation, transmission and triggering work is completed. The explosion capacitor 6 and the signal generator 7 can work independently under the operation of the linkage control 5, and can be respectively applied to the operation of independent equipment, so that the application range is wide.

The nameplate 14 can explain the detailed information of the embodiment, and the key door protection cover 15 and the BNC signal interface protection cover 16 can protect two output ends and prolong the service life.

The embodiment has the advantages of simple, convenient, reliable and stable equipment, no external foreign phase current and electromagnetic interference, continuous use and capability of accurately finishing the action of synchronous trigger control.

Although the present invention has been disclosed in detail with reference to the accompanying drawings, it is to be understood that such description is merely illustrative and not restrictive of the application of the present invention. The scope of the invention is defined by the appended claims and may include various modifications, adaptations and equivalents of the invention without departing from its scope and spirit.

Claims

1. A novel synchronous trigger control method for explosion shooting is characterized by comprising the following specific steps:

firstly, arranging a connecting end on a lead at a panel, wherein the connecting end can be adaptively connected with a high-speed camera, and the connecting end is integrated on the panel to form a signal generator 7;

step two, additionally welding double wires in a rotary switch in the linkage controller 5, respectively arranging the double wires at a switch knob and an output end, connecting the wires at the output end with the input end of a signal generator 7, and transmitting a linkage control signal; the linkage controller 5 rotates a switch, and a signal wire 2 is led out from the rotation switch and is connected with the explosion capacitor 6 and the power supply sealing box 8 to control the explosion capacitor 6 to release high voltage;

and step three, when the rotary switch in the linkage controller 5 rotates, two signal wires are conducted simultaneously to generate a release and short circuit double signal to trigger double machines.

2. The novel synchronous trigger control method for explosion shooting according to claim 1, wherein the output signal end of the signal generator 7 is designed as a BNC signal connector 4, and the signal is rotated by a switch in the linkage controller to connect wires, so that the wires are short-circuited, a short-circuit signal is generated, and the high-speed camera is triggered by transmission.

3. The novel synchronous trigger control method for shooting explosion according to claim 1, wherein the linkage controller 5 controls the explosion capacitor 6 and the signal generator 7 respectively, and the output of the lead is added in the rotary switch, so that the signals of the two do not interfere with each other and are output respectively, and the signals can be output synchronously.