CN112629328B - Small-caliber wide-band electromagnetic pulse radiation device - Google Patents
Small-caliber wide-band electromagnetic pulse radiation device Download PDFInfo
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- CN112629328B CN112629328B CN202011369216.7A CN202011369216A CN112629328B CN 112629328 B CN112629328 B CN 112629328B CN 202011369216 A CN202011369216 A CN 202011369216A CN 112629328 B CN112629328 B CN 112629328B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H13/00—Means of attack or defence not otherwise provided for
- F41H13/0093—Devices generating an electromagnetic pulse, e.g. for disrupting or destroying electronic devices
Abstract
The invention discloses a small-caliber wide-band electromagnetic pulse radiation device, wherein one end of a synchronous instruction initiation device receives a radio instruction, the other end of the synchronous instruction initiation device is connected with a pulse power source, and the pulse power source is connected with a switch oscillator; the pulse power source comprises a plane detonator and artificially polarized piezoelectric ceramics, wherein a plurality of pieces of piezoelectric ceramics are sealed in a sealing tank, and one end of the sealing tank is connected with the plane detonator; the switch oscillator comprises an energy storage mechanism, a spark gap switch and a pulse radiation antenna, wherein the energy storage mechanism comprises a resonant cavity and a lambda/4 transmission line, a sealed tank in the pulse power source outputs a positive and negative pole circuit, one pole of the positive and negative pole circuit is connected with the resonant cavity of the energy storage mechanism, and the other pole of the positive and negative pole circuit is connected with the lambda/4 transmission line; the pulse radiation antenna is connected with a lambda/4 transmission line. The device can be loaded on small-caliber grenades and large-caliber primary and secondary ammunitions, is distributed in a designated area through a special transmitter, and is controlled to autonomously generate high-power electromagnetic pulse radiation through instructions.
Description
Technical Field
The invention relates to the technical field of high-power microwave weapons, in particular to a small-caliber wide-band electromagnetic pulse radiation device.
Background
The existing anti-unmanned cluster mainly adopts high-precision missiles, high-energy microwaves, shells and the like, and carries out interception and countermeasure in a ground launching mode, so that the interception rate is low, the cost is high, and the platform dependence is large. Its main difference with unmanned cluster lies in following several aspects:
(1) intercepting the scale dynamic targets in an individual accurate manner: the unmanned aerial vehicle cluster has the characteristics of high dynamic, strong time variation and large scale, and is difficult to accurately complete the tracking, identification and interception of 100 percent of targets in real time;
(2) depending on the launch platform: the early warning time of the ground launching platform is short, high-speed and high-altitude unmanned aerial vehicle clusters and patrol missile clusters are difficult to track in advance, and meanwhile, electronic warfare bee clusters, radar bee clusters and weapon bomb clusters formed by the unmanned aerial vehicle clusters threaten the aerial combat unit and the ground command unit greatly;
(3) ammunition hits hardly impair the collective combat ability: the unmanned cluster has the characteristics of center removal and self organization, the damage of a single point, a single platform and a single capability cannot cause the damage of the cluster capability, and the hit damage has no lethality to the whole target of the cluster;
(4) weak electromagnetic pressing capability: the unmanned cluster relies on data link networking, the capabilities of which form a communication link that relies on openness. At present, the ground environment is difficult to form effective electromagnetic suppression and data chain interference on high-altitude unmanned clusters and bullet groups.
With the wide application of electronic micro-control systems, the development of artificial intelligence technologies such as unmanned plane bee colony and autonomous coordination is urgent for the low-cost defense of a large number of low-value attack targets such as unmanned plane bee colony, unmanned plane ant colony and patrol missile colony, such as low-value attack targets, slow targets, small targets, multiple targets and the like. The traditional anti-unmanned cluster adopts high-precision missiles, high-energy microwaves, shells and the like, has high interception cost, small quantity and low density, is difficult to ensure higher interception rate, and has the core that the space, time and energy of an OODA ring are not matched, so that the unmanned system is difficult to effectively prevent defense outburst.
Therefore, the novel anti-unmanned cluster weapon system needs to change the traditional accurate guidance interception mode, and needs to have the load capacity of small caliber, large scale, high speed and deep position and the anti-bee colony battle command and control capacity based on cloud.
Disclosure of Invention
The invention provides a small-caliber throwing type broadband electromagnetic pulse radiation device which can be loaded on small-caliber grenades and large-caliber primary and secondary ammunitions, is distributed in a designated area through a special transmitter, and is controlled to autonomously generate high-power electromagnetic pulse radiation through instructions.
In order to achieve the purpose, the invention adopts the following technical scheme:
A small-caliber wide-band electromagnetic pulse radiation device comprises a synchronous instruction initiation device, a pulse power source and a switch oscillator, wherein the pulse power source comprises a plane initiation device and artificially polarized piezoelectric ceramics, the switch oscillator comprises an energy storage mechanism, a spark gap switch and a pulse radiation antenna, and the energy storage mechanism consists of a resonant cavity and a lambda/4 transmission line;
one end of the synchronous instruction detonating device receives a radio instruction, the other end of the synchronous instruction detonating device is connected with a planar detonator of a pulse power source, the other end of the planar detonator is connected with a sealing tank, a plurality of pieces of artificially polarized piezoelectric ceramics are packaged in the sealing tank and are connected in series, the plurality of pieces of artificially polarized piezoelectric ceramics are fixed in the sealing tank through polyurethane insulating filler, the sealing tank outputs a positive and negative pole circuit and is connected with an energy storage mechanism, one pole of the sealing tank is connected with the resonant cavity, the other pole of the sealing tank is connected with the lambda/4 transmission line, the spark gap switch is a functional unit adopting a high-voltage self-breakdown principle, the function is realized by the energy storage mechanism, and the pulse radiation antenna is connected with the lambda/4 transmission line;
The shell, the shaped charge cover, the electric connecting column, the nut, the electric connecting piece and the spark gap switch nut are also included;
the head end of the outer shell is in threaded connection with the synchronous instruction initiating device, the tail end of the outer shell is in threaded connection with a switch oscillator shell, a shaped charge cover is fixedly arranged inside the head end of the outer shell, the planar initiator is fixedly filled in the space in the cover of the shaped charge cover, the cover opening of the sealed tank is oppositely and fixedly connected with the shaped charge cover, the cover side wall of the sealed tank is also fixedly connected with the outer shell, the electric connection column is fixedly arranged on the wall of the sealed tank, the electric connection column extends out of the sealed tank, the sealed tank is connected with an energy storage mechanism through an electric connection column output positive and negative pole circuit, one pole of the sealed tank is connected with the resonant cavity, and the other pole of the sealed tank is connected with the lambda/4 transmission line;
the nut, the electric connecting piece and the spark gap switch nut are all arranged in a shell of the switch oscillator, wherein the lambda/4 transmission line is fixed in the shell of the switch oscillator through polyurethane insulation filler, a resonant cavity is arranged between the lambda/4 transmission line and the sealing tank, the spark gap switch is positioned between the switch oscillator and one side of the lambda/4 transmission line and is fixed by the spark gap switch nut, the spark gap switch and the nut are fixedly provided with the electric connecting piece, the electric connecting piece is contacted with the electric connecting column, and the other side of the lambda/4 transmission line is connected with the pulse radiation antenna;
The nut is in contact with the seal pot.
Preferably, the pulse power source adopts an explosion electricity transduction generator which can be automatically powered.
Preferably, the flat initiator is 8701 explosive.
Preferably, the artificially polarized piezoelectric ceramic is PZT95/5 ferroelectric ceramic.
Preferably, the artificially polarized piezoelectric ceramic has 3 pieces.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a small-caliber throwing type broadband electromagnetic pulse radiation device which can be loaded on small-caliber grenades and large-caliber primary and secondary ammunitions, is distributed in a designated area through a special transmitter, and is controlled to autonomously generate high-power electromagnetic pulse radiation through instructions; the small-scale autonomous electromagnetic pulse radiation device developed by the invention converts far-field electromagnetic pulse damage into near-field electromagnetic pulse damage, and improves the comprehensive action effect of an electromagnetic pulse system.
Drawings
FIG. 1 is a schematic diagram of a broadband electromagnetic pulse radiation system of the present invention;
FIG. 2 is a structural diagram of a small-caliber electromagnetic pulse radiation device according to the present invention;
FIG. 3 is a schematic diagram of a pulsed power source according to the present invention;
FIG. 4 is a sectional view A-A of FIG. 3;
FIG. 5 is a schematic diagram of a switching oscillator according to the present invention;
FIG. 6 is a schematic diagram of a pulse power supply for a ferroelectric under shock wave according to the present invention;
FIG. 7 is an equivalent circuit diagram of a broadband electromagnetic pulse radiation system of the present invention;
fig. 8 is an antenna radiation pattern of the present invention;
fig. 9 is an antenna radiation pattern of the present invention;
FIG. 10 is a graph of the radiation frequency distribution of the antenna of the present invention;
fig. 11 shows the electric field intensity at 1m of radiation from the antenna of the present invention.
In the figure: 1. an outer housing; 2. a flat initiator; 3. artificially polarized piezoelectric ceramics; 4. sealing the tank; 5. connecting a power post; 6. a polyurethane insulating filler; 7. a liner; 8. a synchronous command initiation device; 9. a pulsed power source; 10. a switching oscillator; 11. a resonant cavity; 12. a spark gap switch; 13. a pulsed radiation antenna; 14. a lambda/4 transmission line; 15. a nut; 16. connecting a power strip; 17. a spark gap switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 11, a small-caliber wide-band electromagnetic pulse radiation device includes a synchronous command initiation device 8, a pulse power source 9, and a switching oscillator 10.
The pulse power source 9 comprises a planar detonator 2 and a manually polarized piezoelectric ceramic 3, the switching oscillator 10 comprises an energy storage mechanism, a spark gap switch 12 and a pulse radiation antenna 13, and the energy storage mechanism consists of a resonant cavity 11 and a lambda/4 transmission line 14.
One end of a synchronous instruction initiating device 8 receives a radio instruction, the other end of the synchronous instruction initiating device 8 is connected with a plane initiator 2 of a pulse power source 9, the other end of the plane initiator 2 is connected with a sealing tank 4, a plurality of artificially polarized piezoelectric ceramics 3 are packaged in the sealing tank 4, 3 artificially polarized piezoelectric ceramics 3 are mutually connected in series, the artificially polarized piezoelectric ceramics 3 adopt PZT95/5 ferroelectric ceramics, 3 PZT95/5 ferroelectric ceramics are fixed in the sealing tank 4 through polyurethane insulation fillers 6, the output positive and negative pole circuits of the sealed tank 4 are connected with the energy storage mechanism, one pole is connected with the resonant cavity 11, the other pole is connected with the lambda/4 transmission line 14, the spark gap switch 12 is a functional unit adopting the high-voltage self-breakdown principle, this function is achieved by the energy storage mechanism, the pulse radiating antenna 13 being connected to a λ/4 transmission line 14.
The plane detonator 2 is 8701 explosive.
This head end and 8 threaded connection of synchro-instruction initiating device of shell body 1, the tail end and the 10 shell threaded connection of switching oscillator of shell body 1, the inside fixed type of a powder cover 7 that is equipped with of head end of shell body 1, the fixed cover inner space of locating type of a powder cover 7 is filled to plane initiator 2, the cover mouth of seal pot 4 is relatively ground and type of a powder cover 7 fixed connection, and the cover lateral wall of seal pot 4 also with shell body 1 fixed connection, connect on electric column 5 is fixed locates the wall of seal pot 4, connect electric column 5 and stretch out seal pot 4, seal pot 4 is connected with energy storage mechanism through connecting electric column 5 output positive and negative two poles circuit, one utmost point is connected with resonant cavity 11, one utmost point is connected with lambda/4 transmission line 14.
The nut 15, the electric connecting piece 16 and the spark gap switch nut 17 are all arranged in an outer shell of the switch oscillator 10, wherein a lambda/4 transmission line 14 is fixed in the outer shell of the switch oscillator 10 through a polyurethane insulation filler 6, a resonant cavity 11 is arranged between the lambda/4 transmission line 14 and the sealing tank 4, the spark gap switch 12 is positioned between the resonant cavity 11 and one side of the lambda/4 transmission line 14 and is fixed by the spark gap switch nut 17, the spark gap switch 17 and the nut 15 are fixedly provided with the electric connecting piece, the nut 15 is in contact with the sealing tank 4, the electric connecting piece 16 is in contact with the electric connecting column 5, and the other side of the lambda/4 transmission line 14 is connected with the pulse radiation antenna 13.
The pulse power source adopts an explosion electric transduction generator (FEG), has an autonomous power supply function and high energy storage density, utilizes an end surface detonation technology to depolarize and phase-change artificially polarized piezoelectric ceramics (PZT) under the action of shock waves, releases polarization energy stored during polarization in the form of electric energy, and can obtain disposable pulse electric energy, namely explosion-electric transduction, and the principle of the pulse power source is shown in figure 6. Under the action of the shock wave, the polarized PZT95/5 ferroelectric ceramic can rapidly depolarize to release the bound charges on the surface in a few microseconds, thereby outputting pulse energy of megawatt power. The shock wave induced ferroelectric phase transition effect forms the physical basis of the ferroelectric pulse power supply.
The outer surface of the sealing tank is connected with a pulse radiation device, the pulse radiation device comprises a power supply device, a spark gap switch, an energy storage mechanism and a pulse radiation antenna, the outer surface of the sealing tank is connected with the power supply device, two ends of the power supply device are respectively connected with the spark gap switch and the energy storage mechanism, and the energy storage mechanism is a switched oscillator capacitor. The spark gap switch and the energy storage mechanism are connected with a main switch of the radiation system, the main switch of the radiation system is sequentially connected with the inductor and the pulse radiation antenna in an impedance mode, and the other end of the pulse radiation antenna impedance is connected with a pulse power source.
The scheme adopts a broadband electromagnetic pulse radiation system based on a lambda/4 transmission line switching oscillator, and the principle of the broadband electromagnetic pulse radiation system is shown in figure 1. The radiation system integrates a structure for storing high-voltage pulse capacity and a spark gap switch for generating a broadband electromagnetic pulse signal, and a high-power broadband electromagnetic pulse radiation field is obtained through rapid breakdown conduction of the spark gap switch and effective radiation of an antenna. The solar energy power generation device has the characteristics of an autonomous power supply, compact structure, high radiation efficiency and the like.
The detonation device receives a radio instruction, outputs an electric ignition signal, controls the pulse power source to output a large current to charge the transmission line, and performs serial discharge through short circuit of the spark gap switch to generate impulse voltage for generating hundreds of kilovolts of pulse high voltage.
When the voltage at two ends of the capacitor reaches the breakdown threshold value, the main switch S of the radiation system is conducted to form L C Oscillating circuit, impedance by radiation being Z a The antenna of (2) performs omnidirectional radiation of broadband electromagnetic pulses. The loop oscillation energy decays according to an exponential law, the central frequency f c It can be calculated as follows.
In the formula: f. of c Is the radiation center frequency;
Z a is the antenna impedance;
L a the sum of the distributed inductance of the antenna and the transmission line and the spark channel inductance;
C i Being switched oscillator capacitors
By pair C i And the reasonable value of La can select the center frequency of the radiation pulse within a certain range. Design C of the scheme i 50 to 60, Z of 60PFa a Is 50 omega, and the theoretical calculation fc is 450 MHz;
through simulation calculation on the radiation direction of the antenna, the radiation direction of the system is shown in FIGS. 8-9, and the radiation frequency distribution of the antenna is shown in FIG. 10. According to the simulation calculation result, the maximum radiation area is vertical and axial position, and the maximum gain is about 2 dBi. The radiation center frequency is 430MHz, and the 3dB bandwidth is 370-500 MHz, which shows that the scheme design is reasonable and meets the actual use requirement.
By electromagnetic simulation calculation, the charging voltage was calculated to be 1V, and the electric field strengths at 1m from the center of the apparatus at which the probes were arranged were respectively shown in fig. 11.
The result shows that the scheme has better radiation effect, meets the design requirement and has better practical application value.
The diameter part of the invention can be improved, and the antenna part can be replaced by a TEM and a spiral antenna, thus forming a new pulse radiation system.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. A small-caliber wide-band electromagnetic pulse radiation device is characterized by comprising a synchronous instruction initiation device, a pulse power source and a switch oscillator, wherein the pulse power source comprises a plane initiation device and artificially polarized piezoelectric ceramics, the switch oscillator comprises an energy storage mechanism, a spark gap switch and a pulse radiation antenna, and the energy storage mechanism consists of a resonant cavity and a lambda/4 transmission line;
one end of the synchronous instruction detonating device receives a radio instruction, the other end of the synchronous instruction detonating device is connected with a planar detonator of a pulse power source, the other end of the planar detonator is connected with a sealing tank, a plurality of pieces of artificially polarized piezoelectric ceramics are packaged in the sealing tank and are connected in series with one another, the plurality of pieces of artificially polarized piezoelectric ceramics are fixed in the sealing tank through polyurethane insulating fillers, the sealing tank outputs a positive and negative pole circuit and is connected with an energy storage mechanism, one pole is connected with the resonant cavity, the other pole is connected with the lambda/4 transmission line, the spark gap switch is a functional unit adopting a high-voltage self-breakdown principle, the function is realized by the energy storage mechanism, and the pulse radiation antenna is connected with the lambda/4 transmission line;
The electric spark plug also comprises an outer shell, a shaped charge cover, an electric connecting column, a nut, an electric connecting piece and a spark gap switch nut;
the head end of the outer shell is in threaded connection with the synchronous instruction initiating device, the tail end of the outer shell is in threaded connection with a switch oscillator shell, a shaped charge cover is fixedly arranged inside the head end of the outer shell, the plane initiator is fixedly filled in a cover inner space of the shaped charge cover, a cover opening of the sealing tank is oppositely and fixedly connected with the shaped charge cover, a cover side wall of the sealing tank is also fixedly connected with the outer shell, the electric connection column is fixedly arranged on the wall of the sealing tank and extends out of the sealing tank, the sealing tank is connected with an energy storage mechanism through an electric connection column output positive and negative pole circuit, one pole of the electric connection column output positive and negative pole circuit is connected with the resonant cavity, and the other pole of the electric connection column output positive and negative pole circuit is connected with the lambda/4 transmission line;
the nut, the electric connecting piece and the spark gap switch nut are all arranged in a shell of the switch oscillator, wherein the lambda/4 transmission line is fixed in the shell of the switch oscillator through polyurethane insulation filler, a resonant cavity is arranged between the lambda/4 transmission line and the sealing tank, the spark gap switch is positioned between the switch oscillator and one side of the lambda/4 transmission line and is fixed by the spark gap switch nut, the spark gap switch and the nut are fixedly provided with an electric connecting piece, the electric connecting piece is contacted with the electric connecting post, and the other side of the lambda/4 transmission line is connected with the pulse radiation antenna;
The nut is in contact with the seal pot.
2. A small-caliber wide-band electromagnetic pulse radiation device according to claim 1, wherein the pulse power source adopts an explosion electric energy conversion generator which can be automatically powered.
3. A small-caliber wide-band electromagnetic pulse irradiation device according to claim 1, wherein the planar initiator is 8701 explosive.
4. A small-caliber wide-band electromagnetic pulse irradiation device according to claim 1, wherein said artificially polarized piezoelectric ceramic is PZT95/5 ferroelectric ceramic.
5. A small-caliber wide-band electromagnetic pulse irradiating apparatus according to claim 4, wherein said artificially polarized piezoelectric ceramic has 3 pieces.
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| WO2009016481A2 (en) * | 2007-08-01 | 2009-02-05 | Roman Francisco Jose | System and apparatus to activate electric triggers |
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| CN111854535A (en) * | 2018-10-13 | 2020-10-30 | 西安航科等离子体科技有限公司 | Ultrahigh field strength broadband electromagnetic pulse weapon and broadband electromagnetic pulse generation method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090224610A1 (en) * | 2006-12-11 | 2009-09-10 | General Dynamics Ordnance And Tactical Systems- Canada Inc. | Systems and methods for generating high power, wideband microwave radiation using variable capacitance voltage multiplication |
| US11378362B2 (en) * | 2019-05-17 | 2022-07-05 | The United States Of America, As Represented By The Secretary Of The Navy | Counter UAV drone system using electromagnetic pulse |
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- 2020-11-30 CN CN202011369216.7A patent/CN112629328B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009016481A2 (en) * | 2007-08-01 | 2009-02-05 | Roman Francisco Jose | System and apparatus to activate electric triggers |
| CN106931834A (en) * | 2017-04-21 | 2017-07-07 | 曹亚强 | Low latitude unmanned plane microwave injures device |
| CN108322982A (en) * | 2018-04-12 | 2018-07-24 | 中国工程物理研究院流体物理研究所 | Ferroelectric Explosive electricity transducing impulse generator, flash X-ray generation device and method |
| CN111854535A (en) * | 2018-10-13 | 2020-10-30 | 西安航科等离子体科技有限公司 | Ultrahigh field strength broadband electromagnetic pulse weapon and broadband electromagnetic pulse generation method |
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