Individual equipment shock wave test device and method based on shock tube equivalent simulation

Abstract

The invention belongs to the technical field of shock wave test, and relates to an individual equipment shock wave test device and method based on shock tube equivalent simulation. The testing device comprises a computer, a dynamic signal testing and analyzing system, an exploder and a dynamic pressure sensor, a bore is arranged at the front end of a detonating tube, shell gunpowder is filled in the bore, an electric control firing device is installed in the bore, and the rear end of the detonating tube is connected with a shock wave propagation system. The test method comprises the following steps: assembling the test device; selecting a shock wave driving mode and then charging a gun bore with powder; presetting a detonation mode of the electric control firing device; starting the computer and the dynamic signal test analysis system, and controlling the electric control firing device to detonate according to the preset detonation mode, collecting an electric signal by the dynamic pressure sensor, and analyzing and processing the electric signal by the computer. And manually observing the damage condition of the test product to obtain a single-soldier equipment shock wave protection effectiveness test result. According to the invention, shell gunpowder detonation is adopted for direct driving, three detonation driving modes are fused, and a miniaturized and low-interference test device is realized.

Description

Technical Field

[0001] This invention belongs to the field of shock wave testing technology, and particularly relates to a shock wave testing device and method for individual soldier equipment based on equivalent simulation of shock tube. Background Technology

[0002] In modern warfare, improvised explosive devices (IEDs), landmines, and rockets pose a serious threat to individual soldiers. Individual soldier integrated protection systems (ISS) aim to comprehensively protect soldiers from various battlefield injuries. Currently, research and testing of ISS equipment (especially body armor and helmets) focus on fragmentation / bullet penetration protection. However, combat experience and post-war trauma analysis clearly show that the shockwave generated by an explosion has become an independent and critical factor causing soldier casualties. Explosive shockwaves can cause not only direct "primary blast injuries" such as ruptured eardrums, pulmonary hemorrhage, craniocerebral injury, and damage to hollow organs, but also indirectly aggravate "secondary," "third," and even "fourth" injuries such as blunt force trauma and shrapnel wounds through the complex interaction between the shockwave and the human body.

[0003] Currently, the following key bottlenecks exist in the performance evaluation of individual soldier equipment under explosive shock waves: (1) The test is expensive and difficult to repeat: relying on large-scale explosion fields for live-fire explosion tests is costly, has a long preparation period, and the test environment is difficult to accurately reproduce each time, resulting in a large dispersion of test results.

[0004] (2) Traditional on-site explosion experiments make it difficult to accurately quantify the interaction between "equipment-shock wave-human body": The explosion environment is complex and variable (shock wave, fragments, thermal effects are mixed), making it difficult to accurately separate and quantify the independent effects of the shock wave.

[0005] (3) Inability to accurately assess protective effectiveness: There is a lack of standardized laboratory simulation technology that can precisely control key parameters (peak value, duration, etc.), making it difficult to quantitatively assess the protective effect of different protective materials, structures and configurations on specific shock wave parameters.

[0006] (4) Existing conventional high-pressure gas-driven shock tubes often employ a pressure-bursting-membrane rupture method. A membrane (metal or composite material) is used to separate the high-pressure chamber and the low-pressure chamber of the shock tube. Gas is pumped into the high-pressure chamber until the pressure exceeds the membrane's tolerance limit. At the moment the membrane ruptures, the high-pressure gas forms a shock wave. The "pressure-bursting-membrane rupture method" inevitably produces high-speed fragments. These fragments become additional, uncontrollable sources of interference, causing complex penetrating or blunt force injuries to the biological models under test (such as the head / torso of animals or sensor-equipped dummies). This seriously obscures the independent observation and quantitative analysis of the shock wave's biomechanical effects on the nervous system, thus reducing the reliability of the results.

[0007] (5) Lack of “equivalent” simulation methods: There is a lack of simulation technology for explosive shock waves that can be safely and controllably reproduced under laboratory conditions with equivalent biological injury potential. Traditional explosive shock tubes are often driven by a single power source, which makes it difficult to adjust according to the requirements of overpressure and normal pressure action time.

[0008] Therefore, developing a miniaturized, high-precision, and low-interference shock tube test device and method specifically for evaluating the protective effectiveness of individual soldier equipment against explosive shock waves is of urgent practical value. Summary of the Invention

[0009] To address the aforementioned technical problems, this invention provides a shock wave testing device and method for individual soldier equipment based on equivalent simulation of a shock tube, used to test the shock wave protection effectiveness of individual soldier equipment. The invention achieves its objective through the following technical solution: A shock wave testing device for individual soldier equipment based on shock tube equivalent simulation includes an insulating floor with a long strip structure. Several supporting and fixing components are spaced apart on the insulating floor. An operating platform is installed at the front end of the insulating floor, and is equipped with a computer, a dynamic signal testing and analysis system, and a detonator. The dynamic signal testing and analysis system is electrically connected to both the computer and the detonator. The front end of the detonating tube is connected to a first sealed hatch, and the rear end of the detonating tube is connected to a shock wave propagation system. The first sealed hatch has multiple circular holes, each with a welded-on barrel. The barrel is a cylinder open at both ends, and its front end is connected to a second sealed hatch. The second sealed hatch has a circular hole (or hole 3) in its center, through which an electrically controlled firing device passes and is installed. The electrically controlled firing device is electrically connected to the detonator. The computer is electrically connected to multiple dynamic pressure sensors. Both the detonating tube and the shock wave propagation system have one or more sensor threaded holes at their tops, and dynamic pressure sensors are installed in these threaded holes via threaded connections. The detonating tube and the shock wave propagation system are supported and fixedly mounted on the insulating floor by the supporting and fixing components.

[0010] As a further definition of this technical solution, the shock wave propagation system includes a propagation tube, a waveform shaping tube, and a loading tube connected sequentially from front to back.

[0011] As a further limitation of this technical solution, the waveform shaping tube is a tapered tube.

[0012] As a further limitation of this technical solution, the fixed sealing disc is welded to the inner wall of the detonating tube, and the fixed sealing disc has multiple circular holes two corresponding to the circular hole one. The cylinder of the barrel passes through and is welded and fixed in the circular hole two.

[0013] As a further limitation of this technical solution, the first sealed hatch cover is machined with multiple radial reinforcing ribs.

[0014] As a further limitation of this technical solution, the support and fixing assembly includes a fixed base and a fixing ring. Multiple fixed bases are installed at intervals on the upper surface of the insulating floor by bolt connection. The fixed base is a plate-shaped support with a semi-circular opening at the top, and a semi-circular fixing ring is installed on the upper part of the fixed base by bolt connection.

[0015] The method for testing shock waves of individual soldier equipment based on equivalent simulation of a shock tube is characterized by the application of the aforementioned shock wave testing device for individual soldier equipment based on equivalent simulation of a shock tube, and includes the following steps: Step S01: Select the number of sections and size parameters of the propagation tube, select the size parameters of the waveform shaping tube, and seal and connect the detonating tube with the propagation tube, waveform shaping tube and loading tube. Support and fix the detonating tube, propagation tube, waveform shaping tube and loading tube through the support and fixing components. Install and connect the dynamic pressure sensor. Install the individual soldier equipment test sample at the outlet of the loading tube to complete the assembly of the individual soldier equipment shock wave test device. Step S02: Select the shock wave drive mode and load the propellant into the barrel according to the shock wave drive mode; Step S03: Preset the detonation mode of the electronically controlled firing device according to the shock wave driving mode; Step S04: Start the computer to run the acquisition software, start the dynamic signal test and analysis system, adjust all dynamic pressure sensors to the working state, the computer sends a detonation command to the detonator, and the detonator controls the electronic firing device to perform detonation according to the preset detonation method; the computer synchronously controls the dynamic signal test and analysis system to acquire the electrical signals of the dynamic pressure sensors, and the dynamic signal test and analysis system transmits the electrical signals to the computer for decoupling calculation to obtain the mechanical signals; Step S05: The computer analyzes the electrical signals collected by each dynamic pressure sensor and the electrical signals collected by the sensors on the individual soldier equipment test specimen, and the damage condition of the individual soldier equipment test specimen is observed manually to obtain the test results of the shock wave protection effectiveness of the individual soldier equipment.

[0016] As a further limitation of this technical solution, the shock wave driving mode includes a single-tube detonation driving mode, a multi-tube simultaneous detonation driving mode, and a multi-tube delayed detonation driving mode; the single-tube detonation driving mode refers to the detonation of a single electronically controlled firing device; the multi-tube simultaneous detonation driving mode refers to the simultaneous detonation of all electronically controlled firing devices; in the multi-tube delayed detonation driving mode, the detonation sequence and delay interval of each electronically controlled firing device are preset, and each electronically controlled firing device detonates according to the preset detonation sequence and delay interval.

[0017] As a further limitation of this technical solution, the single-tube detonation drive mode adjusts the amount of propellant in a single barrel to control the overpressure peak and the duration of the positive pressure of the shock wave; the multi-tube simultaneous detonation drive mode controls the overpressure peak and the duration of the positive pressure by controlling the amount of propellant in multiple barrels; and the multi-tube delayed detonation drive mechanism achieves continuous relay loading of the shock wave load by coupling the detonation sequence of multiple barrels and utilizing a delayed explosion relay mechanism.

[0018] As a further limitation of this technical solution, the specific steps of loading the propellant include: selecting a projectile that matches the bore caliber, removing the projectile and retaining only the cartridge case, determining the amount of propellant charge based on the parameters of the shock wave load overpressure and duration required by the experiment, loading the propellant into the cartridge case, opening the second sealed compartment cover, and loading the cartridge case into the bore; for the single-tube detonation drive mode, the cartridge case is loaded into only one bore; for the multi-tube simultaneous detonation drive mode and the multi-tube delayed detonation drive mode, the cartridge case is loaded into at least two bores according to the required shock wave characteristics.

[0019] Compared with the prior art, the advantages and positive effects of the present invention are: This invention abandons the traditional pressure-bearing membrane rupture method, which easily generates destructive fragments. It innovatively employs a mature and controllable direct drive method using projectile propellant detonation after the warhead is removed. It integrates three driving modes: single-tube precision adjustment, multi-tube spatial energy superposition, and millisecond-level delayed detonation linkage, successfully constructing a miniaturized, low-interference shock tube test device. This device can safely, cost-effectively, and with high repeatability accurately reproduce and adjust the overpressure peak value and duration of typical battlefield explosion shock waves in the laboratory (especially achieving a breakthrough in equivalent simulation of long-duration shock waves). Simultaneously, it completely eliminates the interference of high-speed fragment splash from the pressure-bearing membrane rupture method on test data. It effectively solves the core bottlenecks of existing explosion shock wave protection effectiveness assessments, such as high cost, uncontrollability, numerous interferences, and difficulty in quantification. It provides an indispensable and reliable platform for the refined and standardized testing and optimized design of individual soldier equipment's shock wave protection performance, strongly supporting the research and development of high-performance shock wave protection equipment. Attached Figure Description

[0020] Figure 1 This is a perspective view of the individual soldier equipment shock wave test device according to Embodiment 1 of the present invention; Figure 2 This is a perspective view of the fixing system according to Embodiment 1 of the present invention; Figure 3 This is a perspective view of the operating table according to Embodiment 1 of the present invention; Figure 4 This is a perspective view of the testing system according to Embodiment 1 of the present invention; Figure 5 This is a perspective view of the power system according to Embodiment 1 of the present invention; Figure 6 This is a partially enlarged perspective view of the front end of the detonating tube according to Embodiment 1 of the present invention; Figure 7 This is a partial cross-sectional view of the detonating tube according to Embodiment 1 of the present invention; Figure 8 This is a perspective view of the fixed sealing disk according to Embodiment 1 of the present invention; Figure 9 This is a perspective view of the shock wave propagation system according to Embodiment 1 of the present invention; Figure 10 This is a front view of the shock wave propagation system according to Embodiment 1 of the present invention; In the diagram: 1 is the testing system, 101 is the control panel, 102 is the computer, 103 is the dynamic signal testing and analysis system, 104 is the detonator, 105 is the dynamic pressure sensor, 2 is the power system, 201 is the detonation tube, 202 is the first sealed hatch, 203 is the gun barrel, 204 is the second sealed hatch, 205 is the electronically controlled firing device, 206 is the fixed sealed plate, 3 is the shock wave propagation system, 301 is the propagation tube, 302 is the waveform shaping tube, 303 is the loading tube, 4 is the fixing system, 401 is the insulating floor, 402 is the fixed base, and 403 is the fixing ring. Detailed Implementation

[0021] The following detailed description of a specific embodiment of the present invention is provided in conjunction with the accompanying drawings. However, it should be understood that the scope of protection of the present invention is not limited to the specific embodiment.

[0022] Example 1:

[0023] like Figure 1 As shown, Embodiment 1 of the present invention discloses a shock wave test device for individual soldier equipment based on equivalent simulation of shock tube, including a test system 1, a power system 2, a shock wave propagation system 3 and a fixing system 4.

[0024] like Figure 2 As shown, the fixing system 4 includes an insulating base 401, a fixing base 402, and a fixing ring 403. Multiple fixing bases 402, spaced at certain intervals, are fixedly installed on the upper surface of the insulating base 401 via bolts. Each fixing base 402 is a plate-shaped support with a semi-circular opening at the top. A semi-circular fixing ring 403 is bolted to the upper part of each fixing base 402. The fixing bases 402 and fixing rings 403 cooperate to form a ring. Each set of fixing bases 402 and fixing rings 403 together fixes the corresponding position of the propagation tube 301, waveform shaping tube 302, or loading tube 303.

[0025] Multiple pairs of fixing bolts are set at certain intervals on the insulating floor 401. The test personnel can flexibly adjust the position of the fixing base 402 and the fixing ring 403 according to the length of different propagation tubes 301, waveform shaping tubes 302 or loading tubes 303. They can also replace the fixing base 402 with different opening radii and the fixing ring 403 with different sizes according to different tube diameters.

[0026] like Figure 1 , Figure 3 and Figure 4 As shown, the test system 1 includes an operating platform 101, which is fixedly mounted on an insulating floor 401. The operating platform 101 is located at one side (front) end of the insulating floor 401. A computer 102, a dynamic signal test and analysis system 103, and a detonator 104 are mounted on the operating platform 101. The dynamic signal test and analysis system 103 is electrically connected to both the computer 102 and the detonator 104. The computer 102 is electrically connected to multiple dynamic pressure sensors 105, and the detonator 104 is electrically connected to multiple electrically controlled firing devices 205. The top of the detonating tube 201, the propagation tube 301, the waveform shaping tube 302, and the loading tube 303 each has one or more sensor threaded holes, and dynamic pressure sensors 105 are fixedly installed in the sensor threaded holes via threaded connections.

[0027] Both the dynamic signal testing and analysis system 103 and the dynamic pressure sensor 105 can be existing products in the field of blasting testing. For example, the dynamic signal testing and analysis system 103 can be the Donghua DH8303 dynamic signal testing and analysis instrument, and the dynamic pressure sensor 105 can be the German HM90 high-frequency pressure sensor. The detonator 104 uses electric ignition. The operator issues a detonation command through the computer 102, and then controls the electronically controlled firing device 205 through the detonator 104 to detonate the gunpowder in the ammunition cartridge in the detonating chamber 203. The shock wave of the blast propagates outward along the shock wave propagation system 3. Each dynamic pressure sensor 105 will monitor the pressure parameters at its location, thereby accurately reflecting the physical characteristics of the shock wave propagation process.

[0028] like Figure 5-8 As shown, the power system 2 includes a detonating tube 201, a first sealed hatch 202, a barrel 203, a second sealed hatch 204, an electronically controlled firing device 205, and a fixed sealed plate 206. The detonating tube 201 is fixedly installed by a fixed base 402 and a fixed ring 403.

[0029] The front end of the detonator 201 is bolted to the first sealed hatch cover 202 for sealing, and the rear end of the detonator 201 is bolted to the propagation tube 301 for sealing.

[0030] The first sealed hatch 202 has multiple circular holes, and a gun barrel 203 is welded to each hole. The first sealed hatch 202 also has multiple radial reinforcing ribs. The gun barrel 203 is a cylinder open at both ends, and the front end of the gun barrel 203 is bolted to the second sealed hatch 204 for sealing connection.

[0031] A fixed sealing disc 206 is welded to the inner wall of the detonating tube 201. The fixed sealing disc 206 has multiple circular holes (II) that correspond one-to-one with the circular holes (I) on the first sealed hatch 202. The rear section of the gun barrel 203 passes through and is welded and fixed within the circular holes (II) of the fixed sealing disc 206. The fixed sealing disc 206 further secures the gun barrel 203.

[0032] The second sealed hatch 204 has a three-circular hole in the middle. The electrically controlled firing device 205 passes through and is sealed and fixedly installed in the three-circular hole of the second sealed hatch 204. The electrically controlled firing device 205 is electrically connected to the detonator 104.

[0033] The power system 2 is used to load the ammunition cartridge and detonate the gunpowder to generate a shock wave. After removing the second sealed hatch 204, the ammunition cartridge with the projectile removed can be loaded into the gun barrel 203.

[0034] like Figure 9-10 As shown, the shock wave propagation system 3 includes a propagation tube 301, a waveform shaping tube 302, and a loading tube 303. Multiple propagation tubes 301 are connected end-to-end with a sealed connection. The foremost propagation tube 301 is bolted to the tail end of the detonating tube 201. Adjacent propagation tubes 301 are fixed and sealed together by bolts. The waveform shaping tube 302 is typically a tapered tube. The front end of the waveform shaping tube 302 is bolted to the rearmost propagation tube 301, and the rear end of the waveform shaping tube 302 is bolted to the front end of the loading tube 303. The individual soldier equipment test specimen is positioned behind the outlet of the loading tube 303.

[0035] Before the test, personnel can select the number of sections in the propagation tube 301 and the size parameters of the waveform shaping tube 302 according to the characteristics of the shock wave to be tested. After detonation, the shock wave inside the detonation tube 201 passes backward through the propagation tube 301 and the waveform shaping tube 302, and then exits from the rear end of the loading tube 303 to bombard the individual soldier equipment test sample. The waveform shaping tube 302 can shape the shock wave into a plane wave for loading, improving the stability of the load.

[0036] Example 2:

[0037] Embodiment 2 of the present invention discloses a method for testing shock waves of individual soldier equipment based on equivalent simulation of a shock tube, applying the shock wave testing device for individual soldier equipment disclosed in Embodiment 1, specifically including the following steps: Step S01: Before conducting the experiment, select the number of sections and size parameters of the propagation tube 301 and the size parameters of the waveform shaping tube 302 according to the experimental requirements, and seal and connect the propagation tube 301, the waveform shaping tube 302 and the loading tube 303; fix the simulated individual soldier equipment test sample at the outlet of the loading tube 303 with a bracket.

[0038] The setup of individual soldier equipment test specimens is a standard test method in the field of shock tube testing. For example, a test dummy wearing individual soldier equipment is placed at the outlet of the loading tube 303, and pressure sensors, strain sensors, etc., which are electrically connected to the computer 102 are set at the key test parts of the test specimens. The specific setup method will not be described in detail here.

[0039] Step S02: Select a shock wave driving mode according to the experimental requirements, and load the explosive according to the shock wave driving mode. The shock wave driving modes include three types: single-tube initiation driving, multi-tube simultaneous initiation driving, and multi-tube delayed initiation driving.

[0040] The specific steps for loading the propellant include: selecting a projectile that matches the caliber of the gun barrel 203, removing the projectile head and retaining only the cartridge case, determining the amount of propellant charge based on the parameters of the shock wave load overpressure and duration required by the experiment, loading the propellant into the cartridge case, and then opening the second sealed hatch 204 to load the cartridge case into the gun barrel 203; for the single-tube detonation drive mode, the cartridge case is loaded into only one gun barrel 203; for multi-tube simultaneous detonation drive and multi-tube delayed detonation drive, the cartridge case is loaded into at least two gun barrels 203 according to the required shock wave characteristics.

[0041] Step S03: Preset the detonation mode of the electronically controlled firing device 205 according to the shock wave driving mode, specifically: For the single-tube detonation drive mode, after the detonation command is sent, the detonator 104 controls a single electrically controlled firing device 205 to detonate. For the multi-tube simultaneous detonation drive mode, after the detonation command is sent, the detonator 104 controls all electrically controlled firing devices 205 to detonate simultaneously. For the multi-tube delayed detonation drive mode, the detonation sequence and delay interval of each electrically controlled firing device 205 are preset, and after the detonation command is sent, the detonator 104 controls each electrically controlled firing device 205 to detonate according to the above preset.

[0042] The detonation refers to the electric firing device 205 firing the ammunition cartridge in the gun barrel 203 to detonate the gunpowder inside the ammunition cartridge.

[0043] The three driving modes are suitable for three different test requirements: the single-tube detonation driving mode is suitable for when the required shock wave overpressure is low and the positive pressure action time is short. Only the amount of explosive in the single tube needs to be adjusted to control the overpressure peak and positive pressure action time of the shock wave.

[0044] The multi-tube simultaneous detonation drive mode is suitable for situations requiring high shock wave overpressure. Through the spatial superposition effect of shock waves under the synergistic action of multiple detonators, and by controlling the spatial layout of the ammunition cartridges, the effective distribution and continuous transmission of shock wave energy are achieved. The peak overpressure and duration of positive pressure can be controlled by adjusting the amount of propellant loaded in multiple ammunition cartridges.

[0045] Multi-tube delayed detonation drive is suitable for situations where the duration of the shock wave is required to be long. By precisely coupling the detonation sequence of multiple ammunition cartridges, the delayed explosion relay mechanism is fully utilized to solve the problem of insufficient duration of a single explosion. By controlling the detonation time of the electronically controlled firing device 205 to achieve millisecond-level delayed detonation, the continuous relay loading of the shock wave load is realized, thereby extending the duration of the shock wave action.

[0046] Step S04: Start the computer 102, run the acquisition software, start the dynamic signal test and analysis system 103, adjust all dynamic pressure sensors 105 to the working state, the computer 102 sends a detonation command to the detonator 104, and the detonator 104 controls the electronically controlled firing device 205 to perform detonation according to the preset detonation method; the computer 102 synchronously controls the dynamic signal test and analysis system 103 to acquire the electrical signals on the dynamic pressure sensors 105, and the dynamic signal test and analysis system 103 transmits the electrical signals to the computer 102 for decoupling calculation to obtain the mechanical signal.

[0047] The acquisition software can be an existing software product, such as the Donghua DHDAS dynamic signal acquisition and analysis system.

[0048] Step S05: Analyze the electrical signals collected by each dynamic pressure sensor 105, as well as the electrical signals collected by sensors such as overpressure and strain on the individual soldier equipment test specimen, and manually observe the damage condition of the individual soldier equipment test specimen. The above analysis belongs to the existing technology in the field of shock tube testing, and relevant papers can be referenced. The specific content will not be elaborated in this invention.

[0049] The above-disclosed embodiment is only one specific embodiment of the present invention. However, the present invention is not limited thereto, and any variations that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A shock wave test device for individual soldier equipment based on equivalent simulation of a shock tube, comprising an insulating floor (401) of elongated plate structure, wherein a plurality of supporting and fixing components are spaced apart on the insulating floor (401), characterized in that, The control panel (101) is installed at the front end of the insulating floor (401). The control panel (101) is equipped with a computer (102), a dynamic signal testing and analysis system (103), and a detonator (104). The dynamic signal testing and analysis system (103) is electrically connected to the computer (102) and the detonator (104) respectively. The front end of the detonating tube (201) is connected to the first sealed hatch (202), and the rear end of the detonating tube (201) is connected to the shock wave propagation system (3). The first sealed hatch (202) has multiple round holes. A gun barrel (203) is welded to each round hole. The gun barrel (203) is a cylinder with openings at both ends. The front end of the cylinder is connected to the cylinder opening. The second sealed hatch (204) is connected to the second sealed hatch (204). A circular hole three is opened in the middle of the second sealed hatch (204). The electric firing device (205) passes through and is installed in the circular hole three. The electric firing device (205) is electrically connected to the detonator (104). The computer (102) is electrically connected to multiple dynamic pressure sensors (105). The top of the detonating tube (201) and the shock wave propagation system (3) are each opened with more than one sensor thread hole. The dynamic pressure sensor (105) is installed in the sensor thread hole by threaded connection. The detonating tube (201) and the shock wave propagation system (3) are supported and fixed on the insulating floor (401) by the support and fixing components.

2. The shock wave test device for individual soldier equipment based on equivalent simulation of a shock tube as described in claim 1, characterized in that, The shock wave propagation system (3) includes a propagation tube (301), a waveform shaping tube (302), and a loading tube (303) connected sequentially from front to back.

3. The shock wave test device for individual soldier equipment based on equivalent simulation of a shock tube according to claim 2, characterized in that, The waveform shaping tube (302) is a tapered tube.

4. The shock wave test device for individual soldier equipment based on equivalent simulation of a shock tube according to claim 1, characterized in that, The fixed sealing disc (206) is welded to the inner wall of the detonating tube (201). The fixed sealing disc (206) has multiple round holes two corresponding to the round hole one. The cylindrical end of the barrel (203) passes through and is welded and fixed in the round hole two.

5. The shock wave test device for individual soldier equipment based on equivalent simulation of a shock tube according to claim 4, characterized in that, The first sealed hatch (202) has multiple radial reinforcing ribs.

6. The shock wave test device for individual soldier equipment based on equivalent simulation of a shock tube according to claim 1, characterized in that, The support and fixing assembly includes a fixing base (402) and a fixing ring (403). Multiple fixing bases (402) are installed at intervals on the upper surface of the insulating floor (401) by bolt connection. The fixing base (402) is a plate-shaped support with a semi-circular opening at the top. A semi-circular fixing ring (403) is installed on the upper part of the fixing base (402) by bolt connection.

7. A shock wave test method for individual soldier equipment based on equivalent simulation of a shock tube, characterized in that, The application of the shock wave test device for individual soldier equipment based on equivalent simulation of a shock tube as described in claim 2 includes the following steps: Step S01: Select the number of sections and size parameters of the propagation tube (301), select the size parameters of the waveform shaping tube (302), and seal and assemble the detonating tube (201) with the propagation tube (301), the waveform shaping tube (302) and the loading tube (303). Support and fix the detonating tube (201), the propagation tube (301), the waveform shaping tube (302) and the loading tube (303) through the support and fixing components. Install and connect the dynamic pressure sensor (105). Install the individual soldier equipment test sample at the outlet of the loading tube (303) to complete the assembly of the individual soldier equipment shock wave test device. Step S02: Select the shock wave drive mode and load the propellant into the barrel (203) according to the shock wave drive mode; Step S03: Preset the detonation mode of the electronically controlled firing device (205) according to the shock wave driving mode; Step S04: Start the computer (102) to run the acquisition software, start the dynamic signal test and analysis system (103), adjust all dynamic pressure sensors (105) to the working state, the computer (102) sends the detonation command to the detonator (104), and controls the electronic firing device (205) to perform detonation according to the preset detonation method through the detonator (104); the computer (102) synchronously controls the dynamic signal test and analysis system (103) to acquire the electrical signals of the dynamic pressure sensors (105), and the dynamic signal test and analysis system (103) transmits the electrical signals to the computer (102) for decoupling calculation to obtain the mechanical signal; Step S05: The computer (102) analyzes the electrical signals collected by each dynamic pressure sensor (105) and the electrical signals collected by the sensors on the individual soldier equipment test specimen, and manually observes the damage status of the individual soldier equipment test specimen to obtain the test results of the shock wave protection effectiveness of the individual soldier equipment.

8. The method for testing shock waves of individual soldier equipment based on equivalent simulation of a shock tube according to claim 7, characterized in that, The shock wave driving modes include single-tube detonation driving mode, multi-tube simultaneous detonation driving mode and multi-tube delayed detonation driving mode; single-tube detonation driving mode refers to the detonation of a single electronically controlled firing device (205); The multi-tube simultaneous detonation drive mode refers to the simultaneous detonation of all electronically controlled firing devices (205); the multi-tube delayed detonation drive mode pre-sets the detonation sequence and delay interval of each electronically controlled firing device (205), and each electronically controlled firing device (205) detonates according to the preset detonation sequence and delay interval.

9. The method for testing shock waves of individual soldier equipment based on equivalent simulation of a shock tube according to claim 8, characterized in that, The single-tube detonation drive mode adjusts the amount of propellant in a single barrel (203) to control the overpressure peak and the duration of the positive pressure effect of the shock wave; the multi-tube simultaneous detonation drive mode controls the overpressure peak and the duration of the positive pressure effect by controlling the amount of propellant in multiple barrels (203); the multi-tube delayed detonation drive mechanism achieves continuous relay loading of the shock wave load by coupling the detonation sequence of multiple barrels (203) and utilizing the delayed explosion relay mechanism.

10. The method for testing shock waves of individual soldier equipment based on equivalent simulation of a shock tube according to claim 9, characterized in that, The specific steps of loading the propellant include: selecting a projectile that matches the caliber of the gun barrel (203), removing the projectile head and keeping only the cartridge case, determining the amount of propellant charge according to the parameters of the shock wave load overpressure and duration required by the experiment, opening the second sealed compartment cover (204) after loading the propellant into the cartridge case, and loading the cartridge case into the gun barrel (203); for the single-tube detonation drive mode, the cartridge case is loaded in only one gun barrel (203); for the multi-tube simultaneous detonation drive mode and the multi-tube delayed detonation drive mode, the cartridge case is loaded in at least two gun barrels (203) according to the required shock wave characteristics.

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