CN113724569A - Underwater multipoint detonation source differential delay detonation simulation device - Google Patents
Underwater multipoint detonation source differential delay detonation simulation device Download PDFInfo
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Abstract
The invention discloses a micro-difference delay explosion simulator of an underwater multipoint explosion source, which comprises: a water tank; a plurality of detonation source devices disposed in the water tank for simulating detonation sources; the system comprises a multipoint detonation source differential delay detonation control system, a controller and a controller, wherein the multipoint detonation source differential delay detonation control system is connected with each detonation source device and is used for controlling differential delay detonation of the detonation source devices; and the dynamic collection system for the blasting process is used for collecting the blasting process of the blasting source device. The detonation source system is installed in the water tank, the multi-point detonation source differential delay detonation control system controls the plurality of detonation source devices to carry out delay detonation, the detonation process is collected through the detonation process dynamic collection system, the controllability of a detonation model test in the water tank is strong, the observation effect is good, the simulation application range is wide, the device has obvious advantages in underwater detonation phenomenon simulation, and the device is simple to operate, low in cost and strong in controllability.
Description
Technical Field
The invention belongs to the technical field of explosion simulation, and particularly relates to a simulation device for underwater multipoint detonation source differential delay explosion.
Background
When the ship is used, the ship can be attacked by the aggregation of weapons such as bombs, missiles, torpedoes, mines and the like. In the non-contact explosion of a plurality of weapons, the ship is subjected to the action of loads such as transient shock waves in water, air bubble pulsating pressure and the like, so that the local or overall structure of the ship is seriously damaged, and the ship is sunken and fatally ill. In addition, underwater resource detection also relates to the blasting of underwater rock masses, so that the underwater explosion research has important significance for ship research and underwater detection.
At present, the method has great defects in the aspects of understanding the interaction law of shock waves under the underwater multi-point explosion condition and the like, and the probability of underwater multi-point detonation is very high in actual combat, so that corresponding research work needs to be carried out on the problem urgently. Because of the complexity of underwater explosions, it is difficult to study them in detail and attempt to fully resolve the underwater explosion problem by building an accurate mathematical model, and it is therefore necessary to study underwater explosions experimentally. However, although field and field tests can be conducted on specific conditions, the research period is long, a large amount of manpower and material resources are consumed, the test risk is huge, the repeatability is poor, and the system research is difficult to develop.
The underwater multi-point detonation source gathering differential delay detonation simulator is needed to develop an underwater multi-point detonation source differential delay detonation test.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a simulation device for underwater multipoint detonation source gathering differential delay detonation, which is used for carrying out underwater multipoint detonation source differential delay detonation simulation tests.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention discloses a micro-difference delay explosion simulator of an underwater multipoint explosion source, which comprises:
a water tank;
a plurality of detonation source devices disposed in the water tank for simulating detonation sources;
the system comprises a multipoint detonation source differential delay detonation control system, a controller and a controller, wherein the multipoint detonation source differential delay detonation control system is connected with each detonation source device and is used for controlling differential delay detonation of the detonation source devices;
and the dynamic collection system for the blasting process is used for collecting the blasting process of the blasting source device.
Furthermore, the multi-point detonation source differential delay detonation control system comprises a detonator, a detonation module connected with the detonator through a detonation wire and a plurality of detonating cords connecting the detonation module with each detonation source device;
the detonation module comprises a plurality of electric detonators, and the electric detonators are correspondingly connected with the detonation source device through detonating cables; one end of the electric detonator is conical; explosive powder is arranged in the conical end of the electric detonator; each path of detonating cord penetrates through the stainless steel tube to be isolated from each other and is connected with the conical end of each electric detonator through a connecting piece; the connecting piece wraps the electric detonator and the explosive powder.
Further, the detonating cord is a flexible detonating cord.
Furthermore, the multi-point detonation source differential delay detonation control system also comprises a delay detection device;
the time-delay detection device comprises ionic electric probes respectively connected with the detonating cords and an oscilloscope connected with the ionic electric probes through a pulse forming network; the oscilloscope is arranged outside the water tank; each path of ion electric probe is connected with the same oscilloscope through a pulse forming network; the oscilloscope is used for measuring and calculating the time delay of detonation of each path of detonating cord.
Further, the explosive powder is hexogen powder.
Further, the detonation module further comprises a protective cover which covers the connecting piece, and the electric detonator, the explosive powder and the connecting piece are all arranged in the protective cover.
Further, the explosion source device is any one or more of a spherical trace explosive ball and a cylindrical trace explosive ball.
Further, the dynamic collection system for the blasting process comprises a high-speed camera and a computer which are arranged outside the water tank and a light source which is arranged inside the water tank; the high-speed camera is connected with the computer, and the computer stores images shot by the high-speed camera.
Furthermore, the dynamic collection system for the blasting process and the detonation module are synchronously connected through a lead.
Compared with the prior art, the invention has the following beneficial effects:
1. the detonation source system is arranged in the water tank, the multi-point detonation source differential delay detonation control system is used for controlling the plurality of detonation source devices to carry out delay detonation, and the detonation process dynamic acquisition system is used for acquiring the detonation process, so that the test controllability of a detonation model in the water tank is strong, the observation effect is good, the simulation application range is wide, the operation is simple, the cost is low, and the controllability is strong;
2. the invention adopts the multi-path electric detonator to respectively detonate the multi-path flexible detonating cords, can effectively ensure the elementary error time delay of detonation, the flexible detonating cords detonate the trace explosive balls, and then the elementary error time delay of detonation is tested by adopting the ionic electric probe method, and can be measured and recorded.
3. The device can simulate underwater shallow chemical explosion under spherical charge and cylindrical charge conditions through the explosion source device, has a measurement function through the dynamic acquisition system, is simple and convenient to experiment, and can continuously experiment and adjust the radius and the explosion amount of the explosive ball in real time.
Drawings
FIG. 1 is a schematic view of a simulation apparatus according to the present invention.
Fig. 2 is a schematic diagram of a differential delay detonation control system of a multipoint detonation source.
In the figure: 1. a water tank; 2. a multi-point detonation source differential delay detonation control system; 3. a dynamic acquisition system in the blasting process; 4. an explosion source; 2-1, an initiator; 2-2, a detonating cord; 2-3, a protective cover; 2-4, electric detonator; 2-5, connecting pieces; 2-6, explosive powder; 2-7, stainless steel pipes; 2-8, detonating cord; 2-9, an ionic electric probe; 2-10, forming a network by the pulse; 2-11 and an oscilloscope.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present embodiment and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, cannot be construed as limiting the present embodiment.
The first embodiment is as follows:
the embodiment provides a simulation device for underwater multipoint detonation source differential delay detonation, as shown in fig. 1, including:
a water tank 1;
a plurality of explosion source devices 4, wherein the explosion source devices 4 are arranged in the water tank 1 and used for simulating explosion sources;
the system comprises a multipoint detonation source differential delay detonation control system 2, a plurality of detonation source devices 4 and a controller, wherein the multipoint detonation source differential delay detonation control system 2 is connected with the detonation source devices 4 and is used for controlling differential delay detonation of the detonation source devices 4;
and the dynamic collection system 3 for the blasting process is used for collecting the blasting process of the blasting source device 4.
The implementation principle is as follows: the method is characterized in that a plurality of detonation source devices 4 are respectively connected with a multipoint detonation source differential delay detonation control system 2, the detonation source devices 4 are installed in a water tank 1, appropriate water is put into the water tank 1, a dynamic blasting process acquisition system 3 is started after the environment in the water tank 1 is set, the multipoint detonation source differential delay detonation control system 2 controls the plurality of detonation source devices 4 to perform delayed detonation, the blasting process is acquired by the dynamic blasting process acquisition system 3, the test controllability of an explosion model in the water tank 1 is strong, the observation effect is good, the simulation application range is wide, and the method has obvious advantages when the underwater explosion phenomenon simulates multipoint detonation source differential delay detonation.
Example two:
with reference to fig. 1 to 2, the present embodiment provides a simulation apparatus for differential delay detonation of a multi-point detonation source, including a water tank 1, a multi-point detonation source detonation control system 2, a blasting process dynamic acquisition system 3, and a detonation source apparatus 4.
The water tank 1 is hollow, and the upper end open-ended transparent container, the material preferred are glass steel, can bear great water pressure and explosive load, and transparent material is favorable to observing the experiment outside the water tank.
The multi-point detonation source differential delay detonation control system 2 comprises a detonator 2-1, a detonation module connected with the detonator 2-1 through a detonation wire 2-2, a plurality of detonating cords 2-8 connecting the detonation module with each detonation source device 4 and a delay detection device; the detonation module comprises a plurality of electric detonators 2-4, and the electric detonators 2-4 are correspondingly connected with the detonation source device 4 through detonating cords 2-8; one end of the electric detonator 2-4 is conical; explosive powder 2-6 is arranged in the conical end of the electric detonator 2-4; each path of detonating cord 2-8 penetrates through the stainless steel tube 2-7 to be isolated from each other and is connected with the conical end of each electric detonator 2-4 through the connecting piece 2-5; the connecting piece 2-5 wraps the electric detonator 2-4 and the explosive powder 2-6.
The explosive powders 2-6 are preferably hexogen powders, but other explosive powders may also be selected. The detonating cord 2-8 is preferably a flexible detonating cord 2-8, and the flexible detonating cord 2-8 facilitates connection with the detonating source device 4 and arrangement at an experimental site.
The time-delay detection device comprises ionic electric probes 2-9 respectively connected with the detonating cords 2-8 and oscilloscopes 2-11 connected with the ionic electric probes 2-9 through pulse forming networks 2-10; the oscilloscopes 2-11 are arranged outside the water tank 1; each path of ionic electric probe 2-9 is connected with the same oscilloscope 2-11 through a pulse forming network 2-10; and the oscilloscopes 2-11 are used for measuring and calculating the time delay of the detonating of each path of detonating cord 2-8. A multi-path electric detonator 2-4 is used for detonating a multi-path flexible detonating cord 2-8, the flexible detonating cord 2-8 is used for detonating a trace explosive ball, and then an ionic electric probe 2-9 method is used for testing the slightly different time delay of the detonation, so that the slightly different time delay of the detonation is good.
The detonating cords 2-8 penetrate through the stainless steel pipes 2-7 to be isolated and protected from each other, one end of each detonating cord is connected with each detonating source device 4, the other end of each detonating cord is connected with the conical end of each electric detonator 2-4, and the other end of each electric detonator 2-4 is connected with the detonator 2-1; each path of flexible detonating cord is connected with an electric detonator 2-4 through a connecting piece 2-5, and a small amount of explosive powder 2-6 is added at the conical end part of the electric detonator 2-4 to ensure the differential delay detonation of the flexible detonating cord; the electric detonator 2-4 and the explosive powder 2-6 are both wrapped in the connecting piece 2-5. One end of each path of ion electric probe 2-9 is connected with each path of detonating cord 2-8, and the other end is connected with an oscilloscope 2-11 through a pulse forming network 2-10. In the embodiment, a plurality of electric detonators 2-4 are used for respectively detonating a plurality of paths of flexible detonating cords 2-8, so that the time delay of the detonation can be effectively guaranteed, the detonating cords 2-8 are used for detonating a trace explosive ball, then the time delay of the detonation is tested by adopting an ionic electric probe method, and the record can be measured.
The detonation module further comprises a protective cover 2-3 which covers the connecting piece 2-5, the electric detonator 2-4, the explosive powder 2-6 and the connecting piece 2-5 are all arranged in the protective cover 2-3, so that the electric detonator 2-4 is prevented from being damaged by the explosion source device 4 in the explosion process, and repeated use of equipment is facilitated.
And multiple paths of flexible detonating cords 2-8 can be simultaneously connected into the explosive powder 2-6, and multiple paths of stainless steel tubes 2-7 and ionic electric probes 2-9 are correspondingly matched. The contact positions of the ionic electric probes 2-9 of each path and the flexible detonating cords 2-8 in the stainless steel tubes 2-7 are kept consistent, and the lengths of the detonating cords 2-8 of each path are consistent.
The blasting process dynamic acquisition system 3 comprises a high-speed camera and a computer which are arranged outside the water tank 1 and a light source which is arranged inside the water tank 1; the high-speed camera is connected with the computer, and the computer stores images shot by the high-speed camera. The dynamic collection system 3 and the detonation module are connected by a wire for synchronization in the blasting process. The dynamic collection system 3 for the blasting process is connected with the blasting module by a lead, so that the images are ensured to be collected in time.
The source of detonation 4 may be a pellet of micro-explosive in the shape of a sphere, cylinder, or other shape. The underwater shallow chemical explosion under the conditions of spherical explosive charging and cylindrical explosive charging can be simulated, the dynamic acquisition system has a measurement function, the experiment is simple and convenient, and the radius and the explosive amount of the explosive ball can be continuously tested and adjusted in real time.
The control flow of the device is as follows: during testing, the plurality of detonation source devices 4 are respectively connected with the multi-point detonation source differential delay detonation control system 2, the detonation source devices 4 are installed in the water tank 1, and a proper amount of water is put into the water tank 1;
after the environment in the water tank 1 is set, arranging a high-speed camera and a light source at appropriate positions inside and outside the water tank 1 to ensure that the high-speed camera can shoot the explosion source device 4, and adjusting and pre-shooting the position of the camera;
according to test requirements, an electric detonator 2-4 in the detonation module is detonated by the detonator 2-1, further explosive powder 2-6 is detonated, and a flexible detonating cord 2-8 embedded in the explosive powder 2-6 is detonated in a micro-difference delay mode, so that the detonating cord 2-8 detonates the detonating source device. Meanwhile, the ionic electric probe 2-9 in the stainless steel pipe 2-7 transmits a signal into the pulse forming network 2-10 and then transmits the signal into the oscilloscope 2-11, and the micro-difference time delay of the multi-point explosion source is determined by the pulse time difference of the oscilloscope 2-11;
after detonation, a high-speed camera connected with the detonation module timely and dynamically acquires data and transmits the data to a computer for storage.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature, and in the description of the invention, "plurality" means two or more unless explicitly specifically defined otherwise.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, reference to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (9)
1. The utility model provides a simulation device of underwater multipoint detonation source differential delay explosion which characterized in that includes:
a water tank;
a plurality of detonation source devices disposed in the water tank for simulating detonation sources;
the system comprises a multipoint detonation source differential delay detonation control system, a controller and a controller, wherein the multipoint detonation source differential delay detonation control system is connected with each detonation source device and is used for controlling differential delay detonation of the detonation source devices;
and the dynamic collection system for the blasting process is used for collecting the blasting process of the blasting source device.
2. The underwater multipoint-detonation-source differential delay detonation simulation device according to claim 1, wherein the multipoint-detonation-source differential delay detonation control system comprises a detonator, a detonation module connected with the detonator through a detonation wire, and a plurality of detonating cords connecting the detonation module with each detonation source device;
the detonation module comprises a plurality of electric detonators, and the electric detonators are correspondingly connected with the detonation source device through the detonating cord; one end of the electric detonator is conical; explosive powder is arranged in the conical end of the electric detonator; each path of detonating cord penetrates through the stainless steel tube to be isolated from each other and is connected with the conical end of each electric detonator through a connecting piece; the connecting piece wraps the electric detonator and the explosive powder.
3. The underwater multi-point detonation source differential time delay detonation simulation device of claim 2, wherein the detonating cord is a flexible detonating cord.
4. The underwater multipoint detonation source differential time delay detonation simulation device according to claim 2, wherein the multipoint detonation source differential time delay detonation control system further comprises a time delay detection device;
the time-delay detection device comprises ionic electric probes respectively connected with the detonating cords and an oscilloscope connected with the ionic electric probes through a pulse forming network; the oscilloscope is arranged outside the water tank; each path of ion electric probe is connected with the same oscilloscope through a pulse forming network; the oscilloscope is used for measuring and calculating the time delay of detonation of each path of detonating cord.
5. The underwater multi-point detonation source differential time delay detonation simulation device of claim 2, wherein the explosive powder is hexogen powder.
6. The underwater multipoint detonation source differential time delay detonation simulation device according to claim 2, wherein the detonation module further comprises a protective cover covering the connecting piece, and the electric detonator, the explosive powder and the connecting piece are all mounted in the protective cover.
7. The underwater multipoint detonation source differential time delay detonation simulation device of claim 1, wherein the detonation source device is any one or more of a spherical trace explosive ball and a cylindrical trace explosive ball.
8. The underwater multipoint detonation source differential time delay detonation simulation device according to claim 1, wherein the detonation process dynamic acquisition system comprises a high-speed camera and a computer which are installed outside the water tank and a light source which is arranged inside the water tank; the high-speed camera is connected with the computer, and the computer stores images shot by the high-speed camera.
9. The underwater multipoint detonation source differential time delay detonation simulation device according to claim 8, wherein the detonation process dynamic acquisition system and the detonation module are synchronously connected through a wire.
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| CN117451296A (en) * | 2023-10-11 | 2024-01-26 | 中国船舶集团有限公司第七一九研究所 | Underwater explosion bubble simulation device with time-delay multiple explosion sources and test method |
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| CN113218997A (en) * | 2021-04-21 | 2021-08-06 | 北京理工大学 | Device and method for testing underwater explosion bubble pulsation of explosive |
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