CN117451296B - Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method - Google Patents
Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method Download PDFInfo
- Publication number
- CN117451296B CN117451296B CN202311315643.0A CN202311315643A CN117451296B CN 117451296 B CN117451296 B CN 117451296B CN 202311315643 A CN202311315643 A CN 202311315643A CN 117451296 B CN117451296 B CN 117451296B
- Authority
- CN
- China
- Prior art keywords
- water tank
- explosion
- decompression water
- light
- decompression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 130
- 238000010998 test method Methods 0.000 title claims abstract description 6
- 238000004088 simulation Methods 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 156
- 230000006837 decompression Effects 0.000 claims abstract description 139
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 230000005494 condensation Effects 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000005474 detonation Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 241000610628 Trichoptilium incisum Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000005338 frosted glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention relates to the technical field of ships and ocean engineering, in particular to a device and a test method for simulating underwater explosion bubbles with a delay multiple explosion sources; the device comprises a decompression water tank, wherein a light-transmitting window is arranged on the decompression water tank; the laser generator and the spectroscope are arranged above the decompression water tank; the two reflectors are arranged above the decompression water tank, and the laser beam emitted by the laser generator irradiates the reflectors through the spectroscope and then enters the decompression water tank through the reflectors and the light transmission window; the two adjusting condensing systems are symmetrically arranged in the decompression water tank, are used for receiving the laser beams and reflect the laser beams to the inside of the decompression water tank; the shading system is arranged on the decompression water tank and is used for blocking the light transmission window; and the shockproof device is arranged at the bottom of the decompression water tank. A laser generator is adopted, and a plurality of laser beams required by the test are obtained through the light propagation principle, so that a multi-explosion source is realized.
Description
Technical Field
The invention relates to the technical field of ships and ocean engineering, in particular to a device and a method for simulating underwater explosion bubbles with a delay multiple explosion sources.
Background
The underwater explosion can cause strong damage to structures in water such as ships and the like, and the vitality and the operational capability of the ships are seriously endangered, so that the research on the damage characteristics of the underwater explosion to the structures of the ships is always an important research subject at home and abroad.
The underwater explosion not only comprises detonation of the explosive, generation and diffusion of explosion shock waves, expansion of high-temperature and high-pressure detonation products of the explosive, but also comprises complex physical phenomena and processes such as bubble pulsation, generation of bubble jet flow, regional and local cavitation effects and the like driven by the detonation products, so that a ship target can be damaged by various damages or loads such as secondary loads caused by the explosion shock waves, the bubble pulsation, the bubble jet flow and the cavitation effects when the ship target is subjected to the underwater explosion. These loads differ greatly in strength of action, spatial distribution characteristics and effective range of action. Along with the continuous improvement of guidance and control precision of the underwater weapon, the cooperative striking of the ship by multiple shots is possible, so that the superposition effect between different loads under the action of multiple explosion sources and the coupling of the power fields under the condition of time delay become research hot spots.
Aiming at the problem of superposition of different loads generated by the collaborative explosion of the multi-explosion source in the underwater explosion research, a delay multi-explosion source underwater explosion bubble simulation device is developed and is used for researching the interaction of explosion bubbles, the coupling of a Wei force field and the damage effect generated by the underwater explosion of the multi-explosion source.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem of superposition of different loads generated by the collaborative explosion of the multi-explosion source in the underwater explosion research in the prior art, and further provides a device and a method for simulating the underwater explosion bubble of the multi-explosion source in a delayed manner.
In order to solve the technical problems, the invention provides a device for simulating underwater explosion bubbles with a delay multiple explosion sources, which comprises: the pressure reducing water tank is provided with a light transmission window; the laser generator and the spectroscope are arranged above the decompression water tank; the two reflectors are arranged above the decompression water tank, and the laser beam emitted by the laser generator irradiates the reflectors through the spectroscope and then enters the decompression water tank through the reflectors and the light transmission window; the two adjusting and condensing systems are symmetrically arranged in the decompression water tank, and are used for receiving the laser beams and reflecting the laser beams to the inside of the decompression water tank; the shading system is arranged on the decompression water tank and is used for blocking the light transmission window; and the shockproof device is arranged at the bottom of the decompression water tank.
Further, the modulated condensing system includes: the first telescopic rotating assembly is arranged on the inner wall of the decompression water tank, and a second telescopic rotating assembly is arranged on the first telescopic rotating assembly; and the light condensing assembly is arranged on the second telescopic rotating assembly.
Further, the first telescopic rotating assembly includes: the two fixing frames are arranged on the inner wall of the decompression water tank; the first telescopic rods are arranged on the fixing frame; the first rotating piece is arranged at one end of the first telescopic rod, which is far away from the fixing frame, and the first rotating piece has a first rotating direction.
Further, the first telescopic rotating assembly includes: the fixing plate is arranged at one end of the first telescopic rod, which is far away from the fixing frame; the second telescopic rod is arranged on the fixed plate; the second rotating piece is arranged at one end of the second telescopic rod, which is far away from the fixed plate, the light focusing assembly is arranged on the second rotating piece, the second rotating piece is provided with a second rotating direction, and the first rotating direction and the second rotating direction are mutually perpendicular.
Further, the light condensing assembly includes: the back plate is provided with a sliding structure, a first connecting rod is arranged on the sliding structure, and a fixed column and a first light gathering piece are arranged on the first connecting rod; the central mounting plate is provided with an arc-shaped through hole, and the fixing column is inserted into the arc-shaped through hole; the second connecting rod is arranged on the back plate, and a second light gathering piece is arranged on the second connecting rod.
Further, the sliding structure includes: the vertical sliding rail is arranged along the extending direction of the backboard; the vertical sliding table is arranged on the vertical sliding rail, and the first connecting rod is arranged on the vertical sliding table.
Further, the first light gathering piece is located above the second light gathering piece.
Further, the shading system includes: the sliding rail is arranged on the decompression water tank, and a sliding table is arranged on the sliding rail; the electromagnets are arranged at two ends of the sliding track; the light shielding plate is arranged at one end of the sliding table, and a connecting stay wire is arranged between the light shielding plate and the sliding table.
Further, an observation window and a light supplementing window are arranged on the side wall of the decompression water tank.
The invention also provides a test method of the underwater explosion bubble simulation device with the delay multiple explosion sources, which comprises the following steps:
The laser beam emitted by the laser generator irradiates on a reflector at the left side through a spectroscope respectively, then enters the decompression water tank through the reflector and a light transmission window on the decompression water tank, the laser beam is received by an adjusting and condensing system in the decompression water tank and is reflected to the inside of the decompression water tank, the laser beam generates bubbles in the inside of the decompression water tank, an explosion is formed at a left explosion source, the left light shielding system is controlled by a control cabinet to be in a light shielding state, and meanwhile, the left adjusting and condensing system is adjusted to prepare for the next explosion;
After a set time delay, the control cabinet controls the right shading system to be in a non-shading state, laser beams emitted by the light generator are respectively irradiated on a reflector on the right side through the spectroscope, then are incident into the decompression water tank through the reflector and a light transmission window on the decompression water tank, the laser beams are received by the adjustment condensing system in the decompression water tank and reflected into the decompression water tank, air bubbles are generated in the decompression water tank by the laser beams, an explosion is formed on a right explosion source, the right shading system is controlled to be in a shading state after the explosion is formed, and after the time delay is set, the control cabinet enables the right explosion source to form an explosion according to the first explosion, and the experiment is completed in total three explosions; the high-speed camera records the test phenomenon of the whole test process, and the sensor records the load changes of different positions.
The technical scheme of the invention has the following advantages:
1. The invention provides a time-delay multi-explosion source underwater explosion bubble simulation device, which comprises: the pressure reducing water tank is provided with a light transmission window; the laser generator and the spectroscope are arranged above the decompression water tank; the two reflectors are arranged above the decompression water tank, and the laser beam emitted by the laser generator irradiates the reflectors through the spectroscope and then enters the decompression water tank through the reflectors and the light transmission window; the two adjusting and condensing systems are symmetrically arranged in the decompression water tank, and are used for receiving the laser beams and reflecting the laser beams to the inside of the decompression water tank; the shading system is arranged on the decompression water tank and is used for blocking the light transmission window; and the shockproof device is arranged at the bottom of the decompression water tank.
The light-transmitting window is arranged on the decompression water tank, so that laser beams emitted by the laser generator enter the decompression water tank through the light-transmitting window to irradiate. Meanwhile, the spectroscope is arranged on the path of the laser beam, the spectroscope can select spectroscopes with different reflectivities according to test requirements, so that two laser beams with the same or different intensities are obtained, and the obtained two laser beams pass through the decompression water tank, the light transmission window above the decompression water tank and reach the light condensation regulating system in the light condensation regulating system through the reasonably arranged reflecting mirrors.
The adjusting condensing systems are arranged on the left side and the right side of the decompression water tank, receive laser beams through the adjusting condensing systems, reflect the laser beams to specific points in the decompression water tank, form explosion, and then conduct bubble simulation test. The light shielding system can shield the light transmission window, and one side of the light transmission window can be subjected to a time delay test.
The shock-proof device is arranged at the bottom of the decompression water tank, a plurality of threaded holes are formed in the shock-proof device, the shock-proof device is connected with the decompression water tank through the threaded holes penetrated by bolts, and the shock-proof device plays a role in shock prevention, so that the stability of the decompression water tank during testing is guaranteed.
The laser beam emitted by the laser generator irradiates on a reflector at the left side through a spectroscope respectively, then enters the decompression water tank through the reflector and a light transmission window on the decompression water tank, the laser beam is received by an adjusting and condensing system in the decompression water tank and is reflected to the inside of the decompression water tank, the laser beam generates bubbles in the inside of the decompression water tank, an explosion is formed at a left explosion source, the left light shielding system is controlled by a control cabinet to be in a light shielding state, and meanwhile, the left adjusting and condensing system is adjusted to prepare for the next explosion;
After a set time delay, the control cabinet controls the right shading system to be in a non-shading state, laser beams emitted by the light generator are respectively irradiated on a reflector on the right side through the spectroscope, then are incident into the decompression water tank through the reflector and a light transmission window on the decompression water tank, the laser beams are received by the adjustment condensing system in the decompression water tank and reflected into the decompression water tank, air bubbles are generated in the decompression water tank by the laser beams, an explosion is formed on a right explosion source, the right shading system is controlled to be in a shading state after the explosion is formed, and after the time delay is set, the control cabinet enables the right explosion source to form an explosion according to the first explosion, and the experiment is completed in total three explosions; the high-speed camera records the test phenomenon of the whole test process, and the sensor records the load changes of different positions.
The device adopts a laser generator, and obtains a plurality of laser beams required by the test through the light propagation principle, thereby realizing the multi-explosion source, reducing a great amount of cost and the field required by the test for the test; meanwhile, the transparent explosion bubbles can be generated by generating bubbles through laser, and the decompression environment of the decompression water tank can slow down the movement process of the bubbles by several times, so that the whole explosion process can be captured more clearly; and moreover, the shading system and the condensing system are convenient and simple to adjust, and the operation and the control are convenient.
2. The invention provides a delay multi-explosion-source underwater explosion bubble simulation device, wherein a shading system comprises a sliding rail, a pressure reducing water tank and a sliding table, wherein the sliding rail is arranged on the pressure reducing water tank; the electromagnets are arranged at two ends of the sliding track; the light shielding plate is arranged at one end of the sliding table, and a connecting stay wire is arranged between the light shielding plate and the sliding table. Two electromagnets are connected with a power supply, so that the sliding table is controlled to rapidly slide on the sliding track, the sliding table is connected with the light shielding plate through a connecting stay wire, the light shielding plate shields the laser beam when the sliding table is close to the light transmission window, underwater explosion cannot be generated, and the light shielding plate cannot shield the laser beam when the sliding table is far away from the light transmission window, and underwater explosion is generated.
3. The invention provides a delay multi-explosion-source underwater explosion bubble simulation device, wherein an observation window and a light supplementing window are arranged on the side wall of a decompression water tank. The observation window is installed in the front and back opening of the decompression water tank, the light supplementing window is installed in the round opening of the side face of the decompression water tank, and the light transmitting window is installed in the two round openings above the decompression water tank. The observation window that decompression water tank set up around is used for observing experimental phenomenon, can take notes whole experimental process through high-speed camera. The light supplementing window on the side face of the decompression water tank is used for supplementing light, the glass window is pasted with frosted glass paper, and the yellow head lamp is adopted for polishing the glass window so as to achieve the best shooting effect.
The summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the disclosure, nor is it intended to be used to limit the scope of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure of a device for simulating underwater explosion bubbles of a delay multi-explosion source;
FIG. 2 is a side view of the device for simulating underwater explosion bubbles of the delay multiple explosion sources;
FIG. 3 is a schematic side view of the device for simulating underwater explosion bubbles of the delay multiple explosion sources;
FIG. 4 is a top view of the device for simulating underwater explosion bubbles of the delay multiple explosion sources;
FIG. 5 is a schematic diagram of a structure of a light-condensing system for adjusting a time-delay multi-explosion-source underwater explosion bubble simulation device;
FIG. 6 is a schematic diagram of a light focusing assembly of the underwater explosion bubble simulation device with a time-delay multiple explosion sources;
Fig. 7 is a schematic structural diagram of a shading system of the underwater explosion bubble simulation device with the time-delay multiple explosion sources.
Reference numerals illustrate:
1. A reduced pressure water tank; 2. a light-transmitting window; 3. a laser generator; 4. a beam splitter; 5. a reflecting mirror; 6. a laser beam; 7. adjusting a condensing system; 8. a shading system; 9. a vibration-proof device; 10. a first telescopic rotating assembly; 11. a second telescopic rotating assembly; 12. a light gathering assembly; 13. a fixing frame; 14. a first telescopic rod; 15. a first rotating member; 16. a fixing plate; 17. a second telescopic rod; 18. a second rotating member; 19. a back plate; 20. a first connecting rod; 21. fixing the column; 22. a first light-gathering member; 23. a central mounting plate; 24. an arc-shaped through hole; 25. a second connecting rod; 26. a second light converging member; 27. a vertical slide rail; 28. a vertical sliding table; 29. a sliding rail; 30. sliding the sliding table; 31. an electromagnet; 32. a light shielding plate; 33. connecting a stay wire; 34. an observation window; 35. a light supplementing window; 36. and (3) a threaded hole.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, or communicable with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.
In this disclosure, unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different structures of the disclosure. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Furthermore, the present disclosure may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The preferred embodiments of the present disclosure are described below in conjunction with the accompanying drawings, it being understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present disclosure.
Referring to fig. 1 to 7, the present invention provides a device for simulating underwater explosion bubbles with a delay multiple explosion sources, comprising: the pressure reducing water tank 1, wherein a light transmission window 2 is arranged on the pressure reducing water tank 1; the laser generator 3 and the spectroscope 4 are arranged above the decompression water tank 1; the two reflectors 5 are arranged above the pressure-reducing water tank 1, and the laser beam 6 emitted by the laser generator 3 irradiates the reflectors 5 through the spectroscope 4 and then enters the pressure-reducing water tank 1 through the reflectors 5 and the light-transmitting window 2; two adjusting and condensing systems 7, which are symmetrically arranged in the pressure reducing water tank 1, wherein the adjusting and condensing systems 7 are used for receiving the laser beams 6 and reflecting the laser beams to the inside of the pressure reducing water tank 1; the shading system 8 is arranged on the decompression water tank 1, and the shading system 8 is used for blocking the light transmission window 2; and the shockproof device 9 is arranged at the bottom of the decompression water tank 1.
By providing the light-transmitting window 2 on the decompression water tank 1, the laser beam 6 emitted by the laser generator 3 is conveniently introduced into the decompression water tank 1 through the light-transmitting window 2 for irradiation. Meanwhile, the beam splitter 4 is installed on the path of the laser beam 6, the beam splitter 4 is arranged, the beam splitter 4 can select the beam splitters 4 with different reflectivities according to test requirements, so that two laser beams 6 with the same or different intensities are obtained, and the obtained two laser beams 6 pass through the decompression water tank 1 through the reflecting mirror 5 which is reasonably arranged, the light transmission window 2 above the decompression water tank and reach the light condensation regulating system 7 in the light condensation regulating system 7.
The adjusting condensing system 7 is provided at both left and right sides of the reduced pressure water tank 1, receives the laser beam 6 through the adjusting condensing system 7, and reflects to a specific point inside the reduced pressure water tank 1, thereby forming an explosion, and then performs a bubble simulation test. The light shielding system 8 can shield the light transmitting window 2, and can perform a time delay test on one side.
The shock-proof device 9 is arranged at the bottom of the pressure-reducing water tank 1, a plurality of threaded holes 36 are formed in the shock-proof device 9, the shock-proof device 9 is connected with the pressure-reducing water tank 1 through the threaded holes 36 by bolts, and the shock-proof device 9 plays a role in shock resistance, so that stability of the pressure-reducing water tank 1 during testing is guaranteed.
Namely, the shading system 8 is in a non-shading state, the laser beam 6 emitted by the laser generator 3 irradiates on the reflecting mirror 5 at the left side through the spectroscope 4 respectively, then enters the decompression water tank 1 through the reflecting mirror 5 and the light transmission window 2 on the decompression water tank 1, the laser beam is received by the adjusting and condensing system 7 in the decompression water tank 1 and is reflected to the inside of the decompression water tank 1, the laser beam 6 generates bubbles in the inside of the decompression water tank 1, the left side explosion source forms explosion, the control cabinet controls the left side shading system 8 to be in a shading state, and meanwhile, the left side adjusting and condensing system 7 starts to be adjusted for preparing for the next explosion;
After a set time delay, the control cabinet controls the right shading system 8 to be in a non-shading state, the laser beam 6 emitted by the light generator irradiates on the right reflecting mirror 5 through the spectroscope 4 respectively, then enters the decompression water tank 1 through the reflecting mirror 5 and the light transmission window 2 on the decompression water tank 1, the laser beam 6 is received by the regulation condensation system 7 in the decompression water tank 1 and is reflected to the decompression water tank 1, the laser beam 6 generates bubbles in the decompression water tank 1, the right explosion source forms an explosion, after the explosion is formed, the control cabinet controls the right shading system 8 to be in a shading state, and after the set time delay, the control cabinet enables the right explosion source to form an explosion according to the first explosion, and the experiment is completed; the high-speed camera records the test phenomenon of the whole test process, and the sensor records the load changes of different positions.
The device adopts a laser generator 3, and obtains a plurality of laser beams 6 required by the test through the light propagation principle, thereby realizing the multi-explosion source, reducing a great amount of cost and the field required by the test for the test; meanwhile, the transparent explosion bubbles can be generated by generating bubbles through laser, and the decompression environment of the decompression water tank 1 can slow down the movement process of the bubbles by several times, so that the whole explosion process can be captured more clearly; in addition, the shading system 8 and the light condensation adjusting system 7 are convenient and simple, and the control is convenient.
The laser generator 3, the adjusting condensing system 7 and the shading system 8 are connected with a control cabinet, so that the laser generator 3, the adjusting condensing system 7 and the shading system 8 are driven to act through the control cabinet.
In some alternative embodiments, the modulated light condensing system 7 includes first and second telescopic rotating assemblies 10 and 11, and a light condensing assembly 12; the first telescopic rotating assembly 10 is arranged on the inner wall of the decompression water tank 1, and the second telescopic rotating assembly 11 is arranged on the first telescopic rotating assembly 10; and a light condensing unit 12 provided on the second telescopic rotating unit 11.
Through the setting of the first telescopic rotating assembly 10 and the second telescopic rotating assembly 11, that is, the first telescopic rotating assembly 10 and the second telescopic rotating assembly 11 can be telescopic and rotationally adjusted in the decompression water tank 1, the setting position of the condensation assembly 12 in the decompression water tank 1 is further adjusted, and therefore the position of the laser beam 6 emitted by the laser generator 3 is adjusted.
In some alternative embodiments, the first telescopic rotating assembly 10 includes a fixed frame 13 and a first telescopic rod 14, and a first rotating member 15; wherein, the number of the fixing frames 13 is two, and the two fixing frames 13 are arranged on the inner wall of the decompression water tank 1; the first telescopic rods 14 are arranged on the fixing frame 13; the first rotating member 15 is disposed at an end of the first telescopic rod 14 away from the fixed frame 13, and the first rotating member 15 has a first rotating direction.
The two fixing frames 13 are arranged on the inner wall of the decompression water tank 1 and positioned on the same side, so that an installation position is provided for the first telescopic rod 14; meanwhile, the first telescopic rod 14 is adjusted along the length direction of the decompression water tank 1, and a first rotating member 15 is arranged on the first telescopic rod 14, namely, the first rotating member 15 has a first rotating direction, so that the position of the second telescopic rotating assembly 11 is adjusted, and the position of the condensation assembly 12 is adjusted. Wherein the first rotary member 15 is hinged to the first telescopic rod 14.
In some alternative embodiments, the first telescopic rotating assembly 10 includes a fixed plate 16 and a second telescopic rod 17, and a second rotating member 18; the fixing plate 16 is arranged at one end of the first telescopic rod 14 away from the fixing frame 13; a second telescopic rod 17 mounted on the fixed plate 16; the second rotating member 18 is disposed at an end of the second telescopic rod 17 away from the fixing plate 16, the light focusing assembly 12 is disposed on the second rotating member 18, the second rotating member 18 has a second rotating direction, and the first rotating direction is perpendicular to the second rotating direction.
By the arrangement of the two fixing plates 16, and the fixing plates 16 are arranged on the first rotating member 15, an installation position is provided for the second telescopic rod 17; meanwhile, the second telescopic rod 17 is adjusted along the length direction of the decompression water tank 1, and a second rotating member 18 is arranged on the second telescopic rod 17, namely the second rotating member has a second rotating direction, so that the position of the second telescopic rotating assembly 11 is adjusted; the first rotation direction and the second rotation direction are perpendicular to each other, and the position of the condensing unit 12 is adjusted and adjusted to a proper position by the mutual cooperation of the first rotation member 15 and the second rotation member 18.
Wherein the second rotary member 18 is hinged to the second telescopic rod 17.
The first telescopic link 14 can achieve upward or upward tilting of the fixed plate 16 by controlling the telescopic motion. The front surface of the fixed plate 16 is provided with two transversely arranged second telescopic rods 17, each second telescopic rod 17 and the same second telescopic rod 17 are connected with a second rotating piece 18 in a hinge mode, the two second rotating pieces 18 are fixed on a back plate 19, and the transversely arranged telescopic rods can realize left-right tilting of the condensing piece through telescopic operation.
The adjusting and condensing system 7 can control the position of the laser focusing point, so that the position of the explosion source is adjusted. Since the laser beam 6 is irradiated to the condensing member from the side upper side, the condensing member is liable to block the laser light when being inclined greatly downward, and thus an explosive bubble cannot be generated. The light gathering member is composed of an upper part and a lower part, namely a first light gathering member 22 and a second light gathering member 26, wherein the first light gathering member 22 is positioned above, the second light gathering member 26 is positioned below, the second light gathering member 26 below is fixed, and the first light gathering member 22 above can move.
In some alternative embodiments, the light collection assembly 12 includes a back plate 19, a sliding structure, a first connecting rod 20, a first light collection member 22, a central mounting plate 23, and a second connecting rod 25; the back plate 19 is provided with a sliding structure, the sliding structure is provided with a first connecting rod 20, and the first connecting rod 20 is provided with a fixed column 21 and a first light gathering piece 22; the central mounting plate 23, wherein an arc-shaped through hole 24 is formed in the central mounting plate 23, and the fixing column 21 is inserted into the arc-shaped through hole 24; the second connecting rod 25 is disposed on the back plate 19, and a second light focusing element 26 is disposed on the second connecting rod 25.
Through setting up sliding structure on backplate 19, can utilize this sliding structure to drive head rod 20 and remove on backplate 19, simultaneously, this central authorities install the arc through-hole 24 that sets up, the fixed column 21 on head rod 20 inserts in the arc through-hole 24, and when sliding structure slid from top to bottom, fixed column 21 can remove along the arc through-hole 24 of central mounting panel 23 to drive first spotlight piece 22 and slide along the upper edge of second spotlight piece 26.
The second connecting rod 25 is disposed below the back plate 19, and the second connecting rod 25 is fixedly connected with the back plate 19, so that the position of the second light gathering member 26 disposed on the second connecting rod 25 is not moved, the first light gathering member 22 is prevented from shielding the second light gathering member 26, and the first light gathering member 22 is adjusted.
In some alternative embodiments, the sliding structure includes a vertical sliding rail 27 and a vertical sliding table 28; wherein, the vertical sliding rail 27 is arranged along the extending direction of the back plate 19; the vertical sliding table 28 is disposed on the vertical sliding rail 27, and the first connecting rod 20 is disposed on the vertical sliding table 28. Namely, the first connecting rod 20 is moved relative to the central mounting plate 23 by the cooperation of the resin slide rail and the vertical slide table 28.
In this embodiment, the first light collecting member 22 is located above the second light collecting member 26.
In some alternative embodiments, the shade system 8 includes a sliding rail 29 and a sliding slide 30, an electromagnet 31, and a shade plate 32; wherein, the sliding rail 29 is arranged on the decompression water tank 1, and a sliding table 30 is arranged on the sliding rail 29; electromagnets 31 provided at both ends of the slide rail 29; the light shielding plate 32 is arranged at one end of the sliding table 30, and a connection stay wire 33 is arranged between the light shielding plate 32 and the sliding table 30.
The two electromagnets 31 are connected with a power supply so as to control the sliding table 30 to rapidly slide on the sliding track 29, the sliding table 30 is connected with the light shielding plate 32 through the connecting pull wire 33, the light shielding plate 32 shields the laser beam 6 when the sliding table 30 is close to the light transmission window 2, underwater explosion cannot be generated, the light shielding plate 32 cannot shield the laser beam 6 when the sliding table 30 is far away from the light transmission window 2, and the underwater explosion is generated.
The control cabinet controls the two groups of shading systems 8 to be in a non-shielding state at the same time, so that the two explosion sources can be detonated at the same time, and when the delay of the two groups of shading systems 8 is in the non-shielding state, the delay detonation of the two explosion sources can be realized.
In some alternative embodiments, a viewing window 34 and a light supplementing window 35 are provided on the side wall of the reduced pressure water tank 1.
The observation window 34 is arranged at the opening part arranged in front and behind the decompression water tank 1, the light supplementing window 35 is arranged at the round opening part on the side surface of the decompression water tank 1, and the light transmitting window 2 is arranged at the two round opening parts above the decompression water tank 1.
Wherein, the observation window 34 around the decompression water tank 1 is used for observing experimental phenomena, and the whole experimental process can be recorded by a high-speed camera. The light supplementing window 35 on the side surface of the decompression water tank 1 is used for supplementing light, the glass window is pasted with frosted glass paper, and the yellow head lamp is adopted for polishing the glass window so as to achieve the best shooting effect.
The top two light-transmitting windows 2 are for the laser beam to pass through. The bottom of the decompression water tank 1 is provided with a vibration-proof device, the vibration-proof device 9 is provided with a plurality of threaded holes 36, the decompression water tank 1 and the vibration-proof device 9 are fixed by bolts, and the vibration of the decompression water tank 1 caused by underwater explosion can be reduced.
The decompression water tank 1 is made of stainless steel. The observation window 34 and the light supplementing window 35 are made of toughened glass windows, curved arc-shaped mounting plates are attached to the outer sides of the toughened glass windows, and the glass windows are connected with the decompression water tank 1 through bolts.
The invention also provides a test method adopting the delay multi-explosion-source underwater explosion bubble simulation device, which comprises the following steps: the shading system 8 is in a non-shading state, laser beams 6 emitted by the laser generator 3 are respectively irradiated on a reflector 5 at the left side through a spectroscope 4, then are incident into the decompression water tank 1 through the reflector 5 and a light transmission window 2 on the decompression water tank 1, an adjusting and condensing system 7 in the decompression water tank 1 receives the laser beams and reflects the laser beams 6 to the inside of the decompression water tank 1, the laser beams 6 generate bubbles in the decompression water tank 1, an explosion is formed at a left explosion source, a control cabinet controls the left shading system 8 to be in a shading state, and meanwhile, the left adjusting and condensing system 7 is adjusted to prepare for the next explosion; after a set time delay, the control cabinet controls the right shading system 8 to be in a non-shading state, the laser beam 6 emitted by the light generator irradiates on the right reflecting mirror 5 through the spectroscope 4 respectively, then enters the decompression water tank 1 through the reflecting mirror 5 and the light transmission window 2 on the decompression water tank 1, the laser beam 6 is received by the regulation condensation system 7 in the decompression water tank 1 and is reflected to the decompression water tank 1, the laser beam 6 generates bubbles in the decompression water tank 1, the right explosion source forms an explosion, after the explosion is formed, the control cabinet controls the right shading system 8 to be in a shading state, and after the set time delay, the control cabinet enables the right explosion source to form an explosion according to the first explosion, and the experiment is completed; the high-speed camera records the test phenomenon of the whole test process, and the sensor records the load changes of different positions.
The decompression water tank 1 and the vibration-proof device are connected with the test platform by bolts, so that the decompression water tank 1 is ensured not to slide. All devices on the decompression water tank 1 are installed, a proper spectroscope 4 is selected according to test requirements, the spectroscope 4 is installed on a path where a laser beam 6 generated by the laser generator 3 passes, the direction of the reflecting mirror 5 is adjusted, and the laser beam 6 is ensured to pass through the reasonably arranged reflecting mirror 5 and pass through a light transmission window 2 above the decompression water tank 1 to a light condensing piece in the light condensing adjusting system 7.
The two sets of shading systems 8 and the two sets of adjusting condensing systems 7 are connected with the control cabinet, the control cabinet is tested before the test, and the control cabinet is ensured to adjust the shading systems 8 and the adjusting condensing systems 7 according to the test requirement. The sensor is installed on the wall surface of the decompression water tank 1, the high-speed camera and the schlieren are arranged in front of the observation window 34, and Huang Toudeng is arranged in front of the light supplementing window 35. The depressurized water tank 1 was sealed and depressurized as required.
When the decompression reaches the test requirement, the test is started, the control cabinet controls the left shading system 8 to be in a non-shading state, the left explosion source forms explosion, the control cabinet controls the left shading system 8 to be in a shading state, meanwhile, the left condensation system is started to be adjusted for preparing for the next explosion, after a set time delay, the control cabinet controls the right shading system 8 to be in a non-shading state, the right explosion source forms explosion, and the control cabinet controls the right shading system 8 to be in a shading state after the explosion. After the time delay is set, the control cabinet enables the left explosion source to form explosion according to the first explosion, and the experiment is completed by three explosions. The high-speed camera records the test phenomenon of the whole test process, and the sensor records the load changes of different positions.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. The utility model provides a but time delay multiple explosion source underwater explosion bubble analogue means which characterized in that includes:
the water tank comprises a decompression water tank (1), wherein a light transmission window (2) is arranged on the decompression water tank (1);
the laser generator (3) and the spectroscope (4) are arranged above the decompression water tank (1);
the two reflectors (5) are arranged above the decompression water tank (1), and the laser beams (6) emitted by the laser generator (3) irradiate the reflectors (5) through the spectroscope (4) and then are incident into the decompression water tank (1) through the reflectors (5) and the light transmission window (2);
The two adjusting and condensing systems (7) are symmetrically arranged in the decompression water tank (1), and the adjusting and condensing systems (7) are used for receiving the laser beams (6) and reflecting the laser beams to the inside of the decompression water tank (1);
The shading system (8) is arranged on the decompression water tank (1), and the shading system (8) is used for blocking the light-transmitting window (2);
The shockproof device (9) is arranged at the bottom of the decompression water tank (1);
the modulated light condensing system (7) comprises:
the first telescopic rotating assembly (10) is arranged on the inner wall of the decompression water tank (1), and the first telescopic rotating assembly (10) is provided with a second telescopic rotating assembly (11);
a light condensing assembly (12) arranged on the second telescopic rotating assembly (11);
the light collection assembly (12) comprises:
the light source comprises a back plate (19), wherein a sliding structure is arranged on the back plate (19), a first connecting rod (20) is arranged on the sliding structure, and a fixed column (21) and a first light gathering piece (22) are arranged on the first connecting rod (20);
The central mounting plate (23), the central mounting plate (23) is provided with an arc through hole (24), and the fixing column (21) is inserted into the arc through hole (24);
the second connecting rod (25) is arranged on the back plate (19), and a second light gathering piece (26) is arranged on the second connecting rod (25);
the sliding structure includes:
A vertical slide rail (27) arranged along the extension direction of the back plate (19);
The vertical sliding table (28) is arranged on the vertical sliding rail (27), and the first connecting rod (20) is arranged on the vertical sliding table (28).
2. The submersible blast bubble simulation apparatus of claim 1, wherein the first telescopic rotating assembly (10) comprises:
the two fixing frames (13) are arranged, and the two fixing frames (13) are arranged on the inner wall of the decompression water tank (1);
The first telescopic rods (14) are arranged on the fixing frame (13);
The first rotating piece (15) is arranged at one end of the first telescopic rod (14) far away from the fixed frame (13), and the first rotating piece (15) has a first rotating direction.
3. The submersible blast bubble simulation apparatus of claim 2, wherein the first telescopic rotating assembly (10) comprises:
The fixing plate (16) is arranged at one end, far away from the fixing frame (13), of the first telescopic rod (14);
A second telescopic rod (17) on the fixed plate (16);
The second rotating piece (18) is arranged at one end, far away from the fixed plate (16), of the second telescopic rod (17), the light focusing assembly (12) is arranged on the second rotating piece (18), the second rotating piece (18) is provided with a second rotating direction, and the first rotating direction is perpendicular to the second rotating direction.
4. A time-lapse multi-detonation source underwater detonation bubble simulation device as claimed in claim 3 wherein the first light focusing member (22) is located above the second light focusing member (26).
5. The submersible multi-explosion source underwater bubble simulation apparatus according to claim 3 or 4, wherein the shading system (8) comprises:
A sliding rail (29) arranged on the decompression water tank (1), and a sliding table (30) arranged on the sliding rail (29);
electromagnets (31) provided at both ends of the slide rail (29);
The light shielding plate (32) is arranged at one end of the sliding table (30), and a connecting stay wire (33) is arranged between the light shielding plate (32) and the sliding table (30).
6. A test method using the time-lapse multi-explosion-source underwater explosion bubble simulation device as set forth in any one of claims 1 to 5, comprising:
The laser beam (6) emitted by the laser generator (3) irradiates on a reflecting mirror (5) at the left side through a spectroscope (4) respectively, then enters the decompression water tank (1) through a light transmission window (2) on the reflecting mirror (5) and the decompression water tank (1), the laser is received by a regulating condensation system (7) in the decompression water tank (1) and reflected by the laser beam (6) to the inside of the decompression water tank (1), bubbles are generated in the decompression water tank (1) by the laser beam (6), explosion is formed at a left side explosion source, the left side shading system (8) is controlled by a control cabinet to be in a shading state, and meanwhile, the left side regulating condensation system (7) is regulated to prepare for the next explosion;
After a set delay, the control cabinet controls the right shading system (8) to be in a non-shading state, a laser beam (6) emitted by the light generator irradiates on a right reflecting mirror (5) through a spectroscope (4) respectively, then enters the decompression water tank (1) through a reflecting mirror (5) and a light transmission window (2) on the decompression water tank (1), a light-regulating system (7) in the decompression water tank (1) receives the laser beam and reflects the laser beam (6) to the inside of the decompression water tank (1), the laser beam (6) generates bubbles in the decompression water tank (1), an explosion is formed on a right explosion source, the control cabinet controls the right shading system (8) to be in a shading state after the explosion is formed, and after the delay is set, the control cabinet enables the right explosion source to form an explosion according to the first explosion, and the experiment is completed; the high-speed camera records the test phenomenon of the whole test process, and the sensor records the load changes of different positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311315643.0A CN117451296B (en) | 2023-10-11 | 2023-10-11 | Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311315643.0A CN117451296B (en) | 2023-10-11 | 2023-10-11 | Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117451296A CN117451296A (en) | 2024-01-26 |
| CN117451296B true CN117451296B (en) | 2024-08-16 |
Family
ID=89586451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311315643.0A Active CN117451296B (en) | 2023-10-11 | 2023-10-11 | Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117451296B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150307B (en) * | 2024-03-19 | 2024-11-29 | 中国船舶集团有限公司第七一九研究所 | Test verification method for pressure-resistant structure of deep-sea composite material |
| CN118913588A (en) * | 2024-07-16 | 2024-11-08 | 华中科技大学 | Underwater explosion loading and structural response visual test device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724569A (en) * | 2021-08-31 | 2021-11-30 | 中国人民解放军陆军工程大学 | Underwater multipoint detonation source differential delay detonation simulation device |
| CN113970549A (en) * | 2021-10-11 | 2022-01-25 | 中国科学院力学研究所 | A test device for simulating deep sea underwater explosion |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843145B (en) * | 2017-10-20 | 2023-09-26 | 安徽理工大学 | Laser ignition type gas blasting device and application method thereof |
| CN113155338B (en) * | 2021-04-21 | 2022-04-05 | 北京理工大学 | Test system and method for near-field shock wave time constant of underwater explosion |
-
2023
- 2023-10-11 CN CN202311315643.0A patent/CN117451296B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724569A (en) * | 2021-08-31 | 2021-11-30 | 中国人民解放军陆军工程大学 | Underwater multipoint detonation source differential delay detonation simulation device |
| CN113970549A (en) * | 2021-10-11 | 2022-01-25 | 中国科学院力学研究所 | A test device for simulating deep sea underwater explosion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117451296A (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117451296B (en) | Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method | |
| Speck et al. | The Shiva laser-fusion facility | |
| EP1617164B1 (en) | Method and device for the alignment of a weapon with a weapon simulator mounted on the weapon | |
| CN112433381B (en) | Moving point target image generation device under laser interference condition | |
| US5872626A (en) | Consolidated laser alignment and test station | |
| JPS61262598A (en) | Training system of weapon | |
| Boege et al. | NIF pointing and centering systems and target alignment using a 351-nm laser source | |
| CN109253797B (en) | Laser irradiation effect test system and method | |
| US4975573A (en) | Optical test bench | |
| Van Wonterghem et al. | National Ignition Facility commissioning and performance | |
| US10564379B2 (en) | Boresight alignment module | |
| Raulin et al. | Instantaneous positions of microwave solar bursts: Properties and validity of the multiple beam observations | |
| CN113985621B (en) | A method for assembling and adjusting a large-aperture off-axis parabolic mirror based on a grating beam splitter | |
| CN113791401A (en) | Method for verifying distance measuring capability of laser distance measuring machine | |
| CN111896939A (en) | Laser radar light source detection device | |
| Quirrenbach et al. | Sodium laser guide star system of ALFA | |
| CN211717261U (en) | External stable fire control system laser transceiver | |
| CN106471388B (en) | Method for testing concentrating photovoltaic modules | |
| Steffen et al. | Development and characterization of a color 2f alignment method for the advanced dish development system | |
| CN102288071A (en) | High-energy electromagnetic wave beam cloud and mist layer perforating technology for laser weapons | |
| US20220307803A1 (en) | Directed-energy weapon and method for displaying the position of an impact point of the directed-energy weapon | |
| Murdoch et al. | SNS laser profile monitor progress | |
| Goujon et al. | Synchronous initiation of optical detonators by Q-Switched solid laser sources | |
| Van Wonterghem et al. | NIF commissioning and initial performance results | |
| Sussman | Laser-fusion program. Semiannual report, January--June 1973 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |