Knock-based adjustable high-frequency pressure pulse output device and control method

By using an adjustable high-frequency pressure pulse output device based on detonation, and by combining a timing ignition and delay control module with a pressure relief device, the frequency and intensity of the high-frequency pressure pulse can be adjusted, which solves the problem of limited frequency and intensity in the existing technology and improves control accuracy and reliability.

CN121704571APending Publication Date: 2026-03-20NORTHWESTERN POLYTECHNICAL UNIV
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Patent Information

Application Number
CN202511703079.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-19
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing pressure pulse generation technologies face many challenges in achieving high-frequency, high-precision control and high reliability. Solutions based on high-speed switching valves and rotary valves have limited frequency, solutions based on high-pressure gas sources have pulse intensity limited by valve opening time, and solutions based on piezoelectric or magnetostrictive actuators have insufficient output force.

Method used

An adjustable high-frequency pressure pulse output device based on detonation is adopted. The ignition sequence of multiple detonation tubes is controlled by a timing ignition module. Combined with a delay control module and a pressure relief device, the gas mixture and the opening size of the pressure relief hole are adjusted to achieve the output of high-frequency pressure pulse.

Benefits of technology

It achieves adjustable pressure pulse frequency (1-10000Hz) and pulse intensity (200-4000kPa) within 0.0001-1s, breaking away from the frequency and intensity limitations of traditional methods and improving the control accuracy and reliability of pressure pulses.

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Abstract

The invention relates to the technical field of high-frequency pressure pulse test devices, in particular to a knocking-based adjustable high-frequency pressure pulse output device and a control method. The detonation device is characterized by comprising a fuel gas mixing device, a detonation pipe and a detonation pipe collecting device, the fuel gas mixing device is arranged at the front end of the detonation pipe, the detonation pipe collecting device is arranged at the rear end of the detonation pipe, and a pressure relief device is further arranged at an outlet of the detonation pipe collecting device. The fuel gas mixing device is connected with the gas filling control system and the time sequence control module, and an electric spark generator is arranged on the fuel gas mixing device; a fuel gas mixing device is adopted for filling gas into a plurality of detonation pipes at the same time, each detonation pipe is provided with an independent ignition source, and the ignition time sequence is controlled by a time sequence control module in a unified mode. A detonation gathering device is adopted, and the structure can achieve pressure pulse output through a single tube. A delay control module and an electromagnetic valve group are adopted to control the gas filling time, and the pulse intensity is adjustable under the assistance of a pressure relief device.
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Description

Technical Field

[0001] This invention relates to the field of high-frequency pressure pulse testing equipment. Background Technology

[0002] High-frequency pressure pulses, as precise disturbance or excitation sources, play an irreplaceable role in advanced scenarios requiring precise operation, efficient energy transfer, and dynamic simulation due to their ability to generate rapid, continuous, and energy-concentrated pulse fluctuations. They are applicable to experimental research fields such as aerospace, fluid mechanics and aerodynamics, nonlinear acoustics, materials fatigue and fracture mechanics, non-contact measurement, and fundamental physics and chemistry. They also have wide applications in industrial cleaning, oil exploration, scientific experiments, medical equipment, and non-destructive testing.

[0003] Existing pressure pulse generation technologies still face numerous challenges and limitations in achieving high-frequency, high-precision, and high-reliability control. Solutions based on high-speed switching valves and rotary valves are limited by switching frequency and sealing issues, preventing further increases in pulse frequency. Solutions based on high-pressure air sources suffer from significant limitations in pulse intensity due to the time required for valve opening. While solutions based on piezoelectric or magnetostrictive actuators can address the low-frequency issue, the small displacement of individual materials like piezoelectric ceramics results in limited output force and low-amplitude pressure pulses, making them unsuitable for driving high-flow and high-pressure applications. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide an adjustable high-frequency pressure pulse output device and control method based on detonation. It controls the ignition sequence of multiple detonation tubes through a timing ignition module to generate a high-frequency pressure pulse of a specific frequency. At the same time, it also controls the filling time and the opening size of the pressure relief hole through a delay control module to adjust the pressure pulse intensity.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an adjustable high-frequency pressure pulse output device based on detonation, comprising a gas mixing device, a detonation tube, and a detonation tube assembly device; The gas mixing device is located at the front end of the detonation tube, the detonation tube collection device is located at the rear end of the detonation tube, and the outlet of the detonation tube collection device is also equipped with a pressure relief device. The gas mixing device is connected to the gas filling control system and the timing control module. An electric spark generator is installed on the gas mixing device. The filling control system includes a fuel gas source and an oxidant gas source. The fuel gas source is connected to the gas mixing device through a fuel pressure reducing valve and a first solenoid valve group. The oxidant gas source is connected to the gas mixing device through an oxidant pressure reducing valve and a second solenoid valve group. The first solenoid valve group and the second solenoid valve group are respectively connected to the delay control module.

[0006] Furthermore, the fuel gas source, fuel pressure reducing valve, first solenoid valve group, and gas mixing device are connected in sequence through steel pipes and compression fittings; the oxidant gas source, oxidant pressure reducing valve, second solenoid valve group, and gas mixing device are connected in sequence through steel pipes and compression fittings; the delay control module controls the opening time of the first and second solenoid valve groups; and the timing control module controls the ignition timing of the electric spark generator. The fuel pressure reducing valve and oxidant pressure reducing valve control the filling pressure and flow rate of the fuel gas source and oxidant gas source, respectively. The delay control module controls the opening time of the first solenoid valve group and the second solenoid valve group to control the filling gas volume. By controlling the change in the flow rate of the fuel gas source and the oxidant gas source, the change in the gas equivalence ratio in the detonation tube is realized, thereby controlling the pressure of the detonation wave. The timing control module controls the time interval for the electric spark generator to generate electric sparks. The electric spark ignites the mixed gas in the gas mixing device and the detonation tube to generate detonation waves with a phase difference. By controlling the ignition time interval, the phase difference of the detonation waves in each tube can be adjusted. The detonation tube consists of multiple spiral bends, which shorten the distance between deflagration and detonation, and also reduce the overall size of the device.

[0007] Furthermore, the first and second solenoid valve groups are two-position five-way solenoid valve groups.

[0008] Furthermore, the gas mixing device is provided with multiple sets of mixing channels as fuel injection holes, gas outlets, oxidant injection holes and electric spark generator mounting holes. Each set of mixing channels is provided with independently connected fuel injection holes, gas outlets, oxidant injection holes and electric spark generator mounting holes to realize gas mixing and ignition.

[0009] Furthermore, the fuel injection ports provided on the gas mixing device include a first gas mixing device fuel inlet, a second gas mixing device fuel inlet, a third gas mixing device fuel inlet, and a fourth gas mixing device fuel inlet; The oxidizer injection ports provided on the gas mixing device include an oxidizer inlet for a first fuel mixing device, an oxidizer inlet for a second fuel mixing device, an oxidizer inlet for a third fuel mixing device, and an oxidizer inlet for a fourth fuel mixing device; The electric spark generator mounting holes provided on the gas mixing device include a first electric spark generator mounting hole, a second electric spark generator mounting hole, a third electric spark generator mounting hole, and a fourth electric spark generator mounting hole; The gas outlets provided on the gas mixing device include a first gas mixing device outlet, a second gas mixing device outlet, a third gas mixing device outlet, and a fourth gas mixing device outlet; The fuel inlet of the first gas mixing unit, the oxidant inlet of the third fuel mixing unit, the mounting hole of the first electric spark generator, and the outlet of the second gas mixing unit are connected together. The fuel inlet of the second gas mixing device, the oxidant inlet of the first fuel mixing device, the mounting hole of the second electric spark generator, and the outlet of the first gas mixing device are connected together. The fuel inlet of the third gas mixing unit, the oxidant inlet of the fourth fuel mixing unit, the mounting hole of the third electric spark generator, and the outlet of the third gas mixing unit are connected together. The fuel inlet of the fourth gas mixing unit, the oxidant inlet of the second fuel mixing unit, the mounting hole of the fourth electric spark generator, and the outlet of the fourth gas mixing unit are connected together.

[0010] Furthermore, the detonation tube collection device includes a cone-shaped upper body and a funnel-shaped lower body that are fitted together. The upper body is provided with a detonation tube collection device inlet corresponding to the detonation tube outlet. The cone-shaped wall of the upper body is provided with multiple slots corresponding to the detonation tube collection device inlet. The slots are connected to the detonation tube collection device outlet on the lower body. The detonation tube collection device outlet is connected to a pressure relief device. After the cone-shaped upper body and the funnel-shaped lower body are fitted together, the cone wall and the funnel wall fit tightly together to collect pressure waves with phase differences from multiple pipelines into a single pipeline to form a pressure pulse of a certain frequency.

[0011] Furthermore, the inlet of the detonation tube collection device provided on the upper body includes a first detonation tube collection device inlet, a second detonation tube collection device inlet, a third detonation tube collection device inlet, and a fourth detonation tube collection device inlet. The upper body and the lower body are connected through a first mounting hole and a second mounting hole, and the outlet of the detonation tube collection device is connected to the inlet of the pressure relief device.

[0012] Furthermore, the detonation tube is configured as four independent spiral bends. The front ends of the four independent spiral bends are connected to the first gas mixing device outlet, the second gas mixing device outlet, the third gas mixing device outlet, and the fourth gas mixing device outlet, respectively, through the first detonation tube inlet, the second detonation tube inlet, the third detonation tube inlet, and the fourth detonation tube inlet, respectively, on the gas mixing device. The rear ends of the four independent spiral bends are connected to the first detonation tube collection device inlet, the second detonation tube collection device inlet, the third detonation tube collection device inlet, and the fourth detonation tube collection device inlet, respectively, on the detonation tube collection device.

[0013] Furthermore, the pressure relief device includes two nested inner pipes and an outer pipe. One end of the inner pipe is set as the inlet of the pressure relief device, and the other end of the inner pipe is connected to the outer pipe through an external thread. The inner pipe is provided with a pressure relief hole, and the opening size of the pressure relief hole is controlled by the cooperation of the inner pipe and the outer pipe.

[0014] This invention also provides a high-frequency pressure pulse control method based on the adjustable high-frequency pressure pulse output device described above, which realizes the control of outputting high-frequency pressure pulses of different frequencies and magnitudes. Specifically, the timing control module adjusts the timing of the output signal, controls the ignition time interval in different channels, generates pressure waves through individual detonation tubes, and finally forms a high-frequency pressure wave through the detonation tube assembly device. The output pressure peak value is adjusted by controlling the gas filling amount through the delay module and depressurizing through the depressurization device.

[0015] The beneficial effects of this invention are as follows: The adjustable high-frequency pressure pulse output device and control method based on detonation employs a gas mixing device to simultaneously fill multiple detonation tubes. Each detonation tube has an independent ignition source, and the ignition sequence is uniformly controlled by a timing control module. The ignition interval is adjustable within 0.0001-1s, corresponding to the generation of pressure pulses from 1-10000Hz. A detonation aggregator is employed, which enables single-tube pressure pulse output. A delay control module and a solenoid valve group are used to control the filling time, achieving an adjustable pulse intensity of 200-4000kPa with the assistance of a pressure relief device. Attached Figure Description

[0016] Figure 1 This is an overall schematic diagram of the adjustable high-frequency pressure pulse generator of the present invention; Figure 2 This is a schematic diagram of the gas mixing device of the present invention; Figure 3 This is a cross-sectional view of the gas mixing device of the present invention; Figure 4 This is a schematic diagram of the detonation tube structure of the present invention; Figure 5 This is a schematic diagram of the upper part of the detonation tube assembly device of the present invention; Figure 6 This is a schematic diagram of the lower half of the detonation tube assembly device of the present invention; Figure 7 This is a cross-sectional view of the detonation tube assembly device of the present invention; Figure 8 This is a schematic diagram of the pressure relief device of the present invention; Figure 9 This is a schematic diagram illustrating the principle of an embodiment of the present invention.

[0017] In the diagram: 1. Fuel gas source; 2. Oxidant gas source; 3. Delay control module; 4. Fuel pressure reducing valve; 5. Oxidant pressure reducing valve; 6. First solenoid valve group; 7. Second solenoid valve group; 8. Timing control module; 9. Electric spark generator; 10. Gas mixing device; 11. Detonation tube; 12. Detonation tube assembly; 13. Pressure relief device; 14. Fuel inlet of the first gas mixing device; 15. Fuel inlet of the second gas mixing device; 16. Fuel inlet of the third gas mixing device; 17. Fuel inlet of the fourth gas mixing device; 18. Outlet of the first gas mixing device; 19. Outlet of the second gas mixing device; 20. Outlet of the third gas mixing device; 21. Outlet of the fourth gas mixing device; 22. Oxidant inlet of the first fuel mixing device; 23. Oxidant inlet of the second fuel mixing device; 24. Oxidant inlet of the third fuel mixing device; 25. Oxidant inlet of the fourth fuel mixing device; 26. Oxidant inlet of the material mixing device; 27. First electric spark generator mounting hole; 28. Second electric spark generator mounting hole; 29. ​​Third electric spark generator mounting hole; 20. Fourth electric spark generator mounting hole; 31. First detonation tube inlet; 32. Second detonation tube inlet; 33. Third detonation tube inlet; 34. Fourth detonation tube inlet; 35. First detonation tube outlet; 36. Second detonation tube outlet; 37. Third detonation tube outlet; 38. Fourth detonation tube outlet; 39. First detonation tube collection device inlet; 40. Third detonation tube collection device inlet; 41. Fourth detonation tube collection device inlet; 42. Groove; 43. Conical wall; 44. First mounting hole; 45. Second mounting hole; 46. Funnel wall; 47. Detonation tube collection device outlet; 48. Pressure relief device inlet; 49. Pressure relief hole; 50. External thread. Detailed Implementation

[0018] The principles and features of the present invention are described below with reference to the accompanying drawings. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0019] To achieve the above objectives, the present invention provides the following specific embodiments: Figure 1As shown, the adjustable high-frequency pressure pulse output device based on detonation is characterized by including a gas mixing device 10, a detonation tube 11, and a detonation tube assembly device 12. The gas mixing device 10 is located at the front end of the detonation tube 11, and the detonation tube assembly device 12 is located at the rear end of the detonation tube 11. The outlet of the detonation tube assembly device 12 is also provided with a pressure relief device 13. The gas mixing device 10 is connected to a gas filling control system and a timing control module 8. An electric spark generator 9 is provided on the gas mixing device 10. The gas filling control system includes a fuel gas source 1 and an oxidant gas source 2. The fuel gas source 1 is connected to the gas mixing device 10 through a fuel pressure reducing valve 4 and a first solenoid valve group 6. The oxidant gas source 2 is connected to the gas mixing device 10 through an oxidant pressure reducing valve 5 and a second solenoid valve group 7. The first solenoid valve group 6 and the second solenoid valve group 7 are respectively connected to a delay control module 3.

[0020] The fuel gas source 1, fuel pressure reducing valve 4, first solenoid valve group 6, and gas mixing device 10 are connected sequentially via steel pipes and compression fittings. Similarly, the oxidant gas source 2, oxidant pressure reducing valve 5, second solenoid valve group 7, and gas mixing device 10 are connected sequentially via steel pipes and compression fittings. The delay control module 3 controls the opening time of the first solenoid valve group 6 and the second solenoid valve group 7, and the timing control module 3 controls the ignition sequence of the spark generator. The fuel pressure reducing valve 4 and the oxidant pressure reducing valve 5 respectively control the filling pressure and flow rate of fuel gas source 1 and oxidant gas source 2. The delay control module 3 controls the opening time of the first solenoid valve group 6 and the second solenoid valve group 7 to control the filling gas volume. By controlling the changes in the flow rates of fuel gas source 1 and oxidant gas source 2, the equivalence ratio of the gas in the detonation tube is changed, thereby controlling the pressure of the detonation wave. The first solenoid valve group 6 and the second solenoid valve group 7 are two-position five-way solenoid valve groups.

[0021] like Figure 2 and 3 As shown, the gas mixing device 10 is provided with multiple sets of mixing channels as fuel injection holes, gas outlets, oxidant injection holes and electric spark generator mounting holes. Each set of mixing channels is provided with independent and interconnected fuel injection holes, gas outlets, oxidant injection holes and electric spark generator mounting holes to realize gas mixing and ignition.

[0022] The gas mixing device is provided with fuel injection ports including a first gas mixing device fuel inlet 14, a second gas mixing device fuel inlet 15, a third gas mixing device fuel inlet 16, and a fourth gas mixing device fuel inlet 17; the gas mixing device is provided with oxidant injection ports including a first gas mixing device oxidant inlet 22, a second gas mixing device oxidant inlet 23, a third gas mixing device oxidant inlet 24, and a fourth gas mixing device oxidant inlet 25; the gas mixing device is provided with spark generator mounting holes including a first spark generator mounting hole 26, a second spark generator mounting hole 27, a third spark generator mounting hole 28, and a fourth spark generator mounting hole 29; the gas mixing device is provided with gas outlets including a first gas mixing device outlet 18, a second gas mixing device outlet 19, a third gas mixing device outlet 10, and a fourth gas mixing device outlet 11. The mixing device outlet 20 and the fourth gas mixing device outlet 21 are connected; the first gas mixing device fuel inlet 14, the third fuel mixing device oxidant inlet 24, the first electric spark generator mounting hole 26, and the second gas mixing device outlet 19 are connected; the second gas mixing device fuel inlet 15, the first fuel mixing device oxidant inlet 22, the second electric spark generator mounting hole 27, and the first gas mixing device outlet are connected; the third gas mixing device fuel inlet 16, the fourth fuel mixing device oxidant inlet 25, the third electric spark generator mounting hole 28, and the third gas mixing device outlet 20 are connected; the fourth gas mixing device fuel inlet 17, the second fuel mixing device oxidant inlet 23, the fourth electric spark generator mounting hole 29, and the fourth gas mixing device outlet 21 are connected. The fuel inlet 14 of the first gas mixing unit, the fuel inlet 15 of the second gas mixing unit, the fuel inlet 16 of the third gas mixing unit, the fuel inlet 17 of the fourth gas mixing unit, and the outlets 18, 19, 20, and 21 of the first gas mixing unit are all provided with internal threads, which can be used to install flow-limiting holes with the same external threads to adjust the inlet through-hole area.

[0023] The timing control module 3 controls the time interval for the electric spark generator to produce electric sparks. These sparks ignite the mixed gas in the gas mixing device 10 and the detonation tube, generating detonation waves with a phase difference. By controlling the ignition time interval, the phase difference of the detonation waves in each tube can be adjusted. The timing control module 3 can output a set of output signals with adjustable time intervals. After receiving the signals, the electric spark generator 9 generates electric sparks sequentially according to a certain timing sequence, igniting the gas in each channel of the gas mixing device 10. At this time, the ignition timing of the gas in each channel is consistent with the timing sequence of the output signals from the timing control module.

[0024] like Figure 4As shown, the detonation tube consists of multiple spiral bends. These spiral bends shorten the distance between deflagration and detonation, and also reduce the overall size of the device. The detonation tube is configured as four independent spiral bends. The front ends of these four independent spiral bends are connected via the first detonation tube inlet 30, the second detonation tube inlet 31, the third detonation tube inlet 32, and the fourth detonation tube inlet 33 to the first gas mixing device outlet 18, the second gas mixing device outlet 19, the third gas mixing device outlet 20, and the fourth gas mixing device outlet 21, respectively. The rear ends of these four independent spiral bends are connected via the first detonation tube outlet 34, the second detonation tube outlet 35, the third detonation tube outlet 36, and the fourth detonation tube outlet 37 to the first detonation tube collection device inlet 38, the second detonation tube collection device inlet 39, the third detonation tube collection device inlet 40, and the fourth detonation tube collection device inlet 41, respectively. This spiral-shaped multi-tube detonation design ensures a consistent gas flow structure and uniform mixing conditions within the pipes, resulting in a consistent distance, time, and propagation speed for the flame transition from deflagration to detonation. When the gas mixture is ignited in a specific sequence, the flame enters the detonation tubes through the first detonation tube inlet 30, the second detonation tube inlet 31, the third detonation tube inlet 32, and the fourth detonation tube inlet 33. Within the detonation tubes, the transition from deflagration to detonation is completed, generating a significant pressure wave. The time interval between the pressure peak reaching the first detonation tube outlet 34, the second detonation tube outlet 35, the third detonation tube outlet 36, and the fourth detonation tube outlet 37 in each pipe matches the output signal of the timing control module. Furthermore, this spiral-structured detonation tube significantly reduces the axial distance of the device and the DDT distance compared to straight pipes.

[0025] like Figure 5 , 6 As shown in Figure 7, the detonation tube collection device includes a cone-shaped upper body and a funnel-shaped lower body that are fitted together. The upper body is provided with a detonation tube collection device inlet corresponding to the detonation tube outlet. The cone wall 43 of the upper body is provided with multiple slots 42 corresponding to the detonation tube collection device inlet. The slots 42 are connected to the detonation tube collection device outlet 47 on the lower body. The detonation tube collection device outlet 47 is connected to the pressure relief device 13. After the cone-shaped upper body and the funnel-shaped lower body are assembled, the cone wall 43 and the funnel wall 46 fit tightly together to collect the pressure waves with phase difference in multiple pipelines into a single pipeline to form a pressure pulse of a certain frequency.

[0026] The upper body is equipped with a detonation tube manifold inlet, which includes a first detonation tube manifold inlet 38, a second detonation tube manifold inlet 39, a third detonation tube manifold inlet 40, and a fourth detonation tube manifold inlet 41. The upper and lower bodies are connected by bolts through a first mounting hole 44 and a second mounting hole 45. The detonation tube manifold outlet 47 is connected to the pressure relief device inlet 48. This structure can converge the phased pressure waves in each pipe into a single pipe to form a pressure pulse of a certain frequency.

[0027] like Figure 8 As shown, the pressure relief device includes two nested inner pipes and an outer pipe. One end of the inner pipe is set as the inlet of the pressure relief device, and the other end of the inner pipe is connected to the outer pipe through an external thread 50. A pressure relief hole 49 is provided on the inner pipe, and the opening size of the pressure relief hole 49 is controlled by the cooperation of the inner and outer pipes. Since the pressure generated by the knock is relatively large, the pressure pulse peak can be reduced by pressure relief.

[0028] Figure 9 In one embodiment of the present invention, a high-frequency pressure pulse can be output from the above-described implementation process.

[0029] In another embodiment of the present invention, the detonation tube 11 can surround a cylindrical container, with the outlet of the detonation tube tangent to the inner wall of the container. Through the above-described process, multiple controllable-phase rotating pressure waves can be output along the inner wall of the cylindrical container. This embodiment is applicable to experimental devices that require the generation of rotating pressure pulses.

[0030] An adjustable high-frequency pressure pulse output device based on detonation is characterized by its ability to control the output of high-frequency pressure pulses of different frequencies and magnitudes. Specifically, a timing control module 8 adjusts the timing of the output signal, controlling the ignition time interval in different channels. Pressure waves are generated separately through individual detonation tubes, and finally, a high-frequency pressure wave is formed through a detonation tube assembly 12. The gas filling rate is controlled by a delay module 3, and the pressure relief device 13 releases pressure to adjust the output pressure peak value. This method breaks away from the frequency limitation of the solenoid valve at the detonation tube outlet in traditional methods, increasing the frequency of the pressure pulse. The ignition interval is adjustable within 0.0001-1s, corresponding to the generation of pressure pulses from 1-10000Hz. The use of a delay control module and a solenoid valve assembly to control the gas filling time, with the assistance of the pressure relief device, achieves an adjustable pulse intensity of 200-4000kPa.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An adjustable high-frequency pressure pulse output device based on detonation, characterized in that, This includes a gas mixing device, a detonation tube, and a detonation tube assembly device; The gas mixing device is located at the front end of the detonation tube, the detonation tube collection device is located at the rear end of the detonation tube, and the outlet of the detonation tube collection device is also equipped with a pressure relief device. The gas mixing device is connected to the gas filling control system and the timing control module. An electric spark generator is installed on the gas mixing device. The filling control system includes a fuel gas source and an oxidant gas source. The fuel gas source is connected to the gas mixing device through a fuel pressure reducing valve and a first solenoid valve group. The oxidant gas source is connected to the gas mixing device through an oxidant pressure reducing valve and a second solenoid valve group. The first solenoid valve group and the second solenoid valve group are respectively connected to the delay control module.

2. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 1, characterized in that, The fuel gas source, fuel pressure reducing valve, first solenoid valve group and gas mixing device are connected in sequence through steel pipe and compression fitting; the oxidant gas source, oxidant pressure reducing valve, second solenoid valve group and gas mixing device are connected in sequence through steel pipe and compression fitting; the delay control module controls the opening time of the first solenoid valve group and the second solenoid valve group; the timing control module controls the ignition timing of the electric spark generator. The fuel pressure reducing valve and oxidant pressure reducing valve control the filling pressure and flow rate of the fuel gas source and oxidant gas source, respectively. The delay control module controls the opening time of the first solenoid valve group and the second solenoid valve group to control the filling gas volume. By controlling the change in the flow rate of the fuel gas source and the oxidant gas source, the change in the gas equivalence ratio in the detonation tube is realized, thereby controlling the pressure of the detonation wave. The timing control module controls the time interval for the electric spark generator to generate electric sparks. The electric spark ignites the mixed gas in the gas mixing device and the detonation tube to generate detonation waves with a phase difference. By controlling the ignition time interval, the phase difference of the detonation waves in each tube can be adjusted. The detonation tube consists of multiple spiral bends, which shorten the distance between deflagration and detonation, and also reduce the overall size of the device.

3. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 1, characterized in that, The first and second solenoid valve groups are two-position five-way solenoid valve groups.

4. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 1, characterized in that, The gas mixing device is provided with multiple sets of mixing channels as fuel injection holes, gas outlets, oxidant injection holes and electric spark generator mounting holes. Each set of mixing channels is provided with independent and interconnected fuel injection holes, gas outlets, oxidant injection holes and electric spark generator mounting holes to realize gas mixing and ignition.

5. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 4, characterized in that, The fuel injection ports provided on the gas mixing device include a first gas mixing device fuel inlet, a second gas mixing device fuel inlet, a third gas mixing device fuel inlet, and a fourth gas mixing device fuel inlet; The oxidizer injection ports provided on the gas mixing device include an oxidizer inlet for a first fuel mixing device, an oxidizer inlet for a second fuel mixing device, an oxidizer inlet for a third fuel mixing device, and an oxidizer inlet for a fourth fuel mixing device; The electric spark generator mounting holes provided on the gas mixing device include a first electric spark generator mounting hole, a second electric spark generator mounting hole, a third electric spark generator mounting hole, and a fourth electric spark generator mounting hole; The gas outlets provided on the gas mixing device include a first gas mixing device outlet, a second gas mixing device outlet, a third gas mixing device outlet, and a fourth gas mixing device outlet; The fuel inlet of the first gas mixing unit, the oxidant inlet of the third fuel mixing unit, the mounting hole of the first electric spark generator, and the outlet of the second gas mixing unit are connected together. The fuel inlet of the second gas mixing device, the oxidant inlet of the first fuel mixing device, the mounting hole of the second electric spark generator, and the outlet of the first gas mixing device are connected together. The fuel inlet of the third gas mixing unit, the oxidant inlet of the fourth fuel mixing unit, the mounting hole of the third electric spark generator, and the outlet of the third gas mixing unit are connected together. The fuel inlet of the fourth gas mixing unit, the oxidant inlet of the second fuel mixing unit, the mounting hole of the fourth electric spark generator, and the outlet of the fourth gas mixing unit are connected together.

6. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 1, characterized in that, The detonation tube collection device includes a cone-shaped upper body and a funnel-shaped lower body that are fitted together. The upper body is provided with a detonation tube collection device inlet corresponding to the detonation tube outlet. The cone-shaped wall of the upper body is provided with multiple slots corresponding to the detonation tube collection device inlet. The slots are connected to the detonation tube collection device outlet on the lower body. The detonation tube collection device outlet is connected to a pressure relief device. After the cone-shaped upper body and the funnel-shaped lower body are fitted together, the cone wall and the funnel wall fit tightly together to collect pressure waves with phase differences from multiple pipelines into a single pipeline to form a pressure pulse of a certain frequency.

7. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 6, characterized in that, The inlet of the detonation tube collection device on the upper body includes a first detonation tube collection device inlet, a second detonation tube collection device inlet, a third detonation tube collection device inlet, and a fourth detonation tube collection device inlet. The upper body and the lower body are connected through a first mounting hole and a second mounting hole. The outlet of the detonation tube collection device is connected to the inlet of the pressure relief device.

8. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 1, characterized in that, The detonation tube is configured as four independent spiral bends. The front ends of the four independent spiral bends are connected to the first gas mixing device outlet, the second gas mixing device outlet, the third gas mixing device outlet, and the fourth gas mixing device outlet respectively, through the first detonation tube inlet, the second detonation tube inlet, the third detonation tube inlet, and the fourth detonation tube inlet. The rear ends of the four independent spiral bends are connected to the first detonation tube collection device inlet, the second detonation tube collection device inlet, the third detonation tube collection device inlet, and the fourth detonation tube collection device inlet respectively, through the first detonation tube outlet, the second detonation tube outlet, the third detonation tube outlet, and the fourth detonation tube outlet.

9. The adjustable high-frequency pressure pulse output device based on detonation as described in claim 1, characterized in that, The pressure relief device includes two nested inner pipes and an outer pipe. One end of the inner pipe is set as the inlet of the pressure relief device, and the other end of the inner pipe is connected to the outer pipe through an external thread. The inner pipe is provided with a pressure relief hole, and the opening size of the pressure relief hole is controlled by the cooperation of the inner pipe and the outer pipe.

10. A high-frequency pressure pulse control method implemented by an adjustable high-frequency pressure pulse output device based on detonation as described in any one of claims 1-9, characterized in that, The system controls the output of high-frequency pressure pulses of different frequencies and magnitudes. Specifically, the timing control module adjusts the timing of the output signal, controls the ignition time interval in different channels, generates pressure waves through individual detonation tubes, and finally forms a high-frequency pressure wave through the detonation tube assembly. The system adjusts the output pressure peak by controlling the gas filling volume through the delay module and depressurizing through the depressurization device.