CN113147390B - Small-sized microwave vehicle and ship forced parking system based on high-gain bulleye antenna - Google Patents
Small-sized microwave vehicle and ship forced parking system based on high-gain bulleye antenna Download PDFInfo
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- CN113147390B CN113147390B CN202110367856.2A CN202110367856A CN113147390B CN 113147390 B CN113147390 B CN 113147390B CN 202110367856 A CN202110367856 A CN 202110367856A CN 113147390 B CN113147390 B CN 113147390B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
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Abstract
The invention discloses a small microwave vehicle and ship forced parking system based on a high-gain bullseye antenna, belongs to the technical field of electromagnetic fields and microwaves, and has the characteristics of instantaneity, concealment and light weight. Under the condition of coast law enforcement, the electromagnetic pulse generator can be integrated in a ship platform to carry out remote microwave striking on an escaping speedboat, and the characteristics that the electromagnetic pulse is coupled to electronic equipment inside a speedboat on-hook through a slot are utilized, so that low-noise equipment such as an engine control system and the like generates disorder until the low-noise equipment stops. In the process of law enforcement and interception of suspicious vehicles at sentry posts or key checkpoints, the system is integrated on a vehicle platform, the defect of damage to people and objects caused by the existing widely-used roadblock railings can be overcome, disputes can be effectively avoided, and the purpose of non-contact safety law enforcement and forced stopping is realized by using the electromagnetic pulse with strong directivity and high energy radiated by the antenna.
Description
Technical Field
The invention belongs to the technical field of electromagnetic fields and microwaves, and particularly relates to a small microwave vehicle and ship forced parking system based on a high-gain bullseye antenna.
Background
In the field of security of important activities and important personnel, when security fleets and ships encounter illegal criminal behaviors such as violence, terrorism, attack and the like during traveling, vehicles and ships are driven to escape in the face of illegal members in the law enforcement process, and are often forced to stop in physical interception modes such as chasing, bumping or obstacle setting and the like, so that the obstacle obviously has poor interception effect, and serious potential safety hazards are brought to law enforcement personnel and irrelevant personnel. In the related microwave vehicle forced-stop products at present, the peak power output by the system can reach GW magnitude, however, the sample machine belongs to a wide spectrum system, the sample machine has large volume, the center frequency is hundreds of megahertz, the bandwidth is wide, electromagnetic pollution is easy to generate, and the electromagnetic diffraction is easy to cause the damage of law enforcement personnel, irrelevant personnel and nearby electronic equipment, such as a cardiac pacemaker of a human body.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides a small microwave vehicle and ship forced parking system based on a high-gain bullseye antenna.
In order to achieve the above object, the present invention provides a small microwave vehicle and vessel forced parking system based on a high gain bulleye antenna, comprising: the system comprises a pulse modulation subsystem, a microwave transmission subsystem and a control auxiliary subsystem;
the pulse modulation subsystem is used for converting electric energy of a primary power supply to generate a target high-voltage direct-current pulse, then exciting the microwave transmission subsystem to generate high-energy microwaves through the target high-voltage direct-current pulse, and transmitting energy out through accurately controlling the phase and time sequence of a radiation unit through a bullseye antenna in the microwave transmission subsystem;
and the control auxiliary subsystem is used for carrying out heat dissipation and monitoring on the pulse modulation subsystem and the microwave transmission subsystem.
In some alternative embodiments, the pulse modulation subsystem comprises a power supply extension, a modulation extension, and a pulse variation extension;
the power supply extension is used for converting electric energy of a primary power supply to generate a high-voltage pulse signal;
the modulation extension is used for shunting the high-voltage pulse signal to obtain a plurality of paths of thousands of volts of high voltage;
the pulse transformer extension is used for further boosting the high voltage of thousands of volts of each path to a target high-voltage direct-current pulse.
In some optional embodiments, the power extension for carry out full-bridge rectification, filtering and steady voltage conversion DC power supply behind the circuit breaker with primary power supply, the control circuit output drive of start button charges, the resonance inverter bridge is under drive signal control, output high frequency signal steps up through secondary high frequency transformer, can get several kilovolts's high pressure after being output by high frequency rectification filter module, the voltage sampling signal that high pressure sampling circuit took out is through feeding back to control circuit, constitute closed loop feedback system, the voltage sampling signal that takes out the deviation to the voltage value of setting for and high pressure sampling circuit, the control signal who reachs, carry out continuous correction to the voltage sampling signal that high pressure sampling circuit took out, finally reach steady voltage's purpose.
In some optional embodiments, the modulation extension is formed by connecting multiple paths of identical IGBT switch modules in parallel, and after the power supply extension charges energy storage capacitors of the multiple paths of IGBT switch modules in place through an isolation silicon stack, the control circuit sends out trigger pulses to trigger the modulation extension to output multiple paths of kilovolt high voltages to the pulse transformer extension.
In some optional embodiments, the pulse transformer consists of a pulse transformer and an overcurrent protection sampling circuit, the pulse transformer inputs 1kV-6kV pulse voltage obtained by the modulation extension at a primary side, outputs 30kV-200kV high-voltage pulse to the microwave transmission subsystem at a secondary side, so that the microwave transmission subsystem generates resonance operation, when the microwave transmission subsystem is ignited, the overcurrent protection sampling circuit outputs a fault signal to the control circuit from sampling current collected at the secondary output, and when the control circuit continuously samples multiple fault signals, the pulse modulation subsystem stops operating.
In some optional embodiments, the microwave transmission subsystem comprises: the high-power microwave source, the microwave transmission assembly and the high-gain bullseye antenna;
the high-power microwave source receives a high-voltage pulse signal generated by the pulse modulation subsystem, and converts electric energy into microwave energy based on a radiation unit of a free electron source and transmits the microwave energy out;
the microwave transmission assembly realizes good impedance matching in a required bandwidth, meets the requirement of power capacity, avoids high-power breakdown, has smooth inner wall, monitors power in real time through a directional coupler, fills sulfur hexafluoride gas into the microwave transmission assembly and well designs the air tightness of the joint of the microwave transmission assembly;
the high-gain bulleye antenna is also called a folded antenna, electromagnetic radiation is carried out through a feed source and a gap based on the structured non-diffraction beam remote focusing and transmission principle, SSPPs are excited through a two-dimensional folded structure, and the conversion from the SSPPs to space radiation waves is realized.
In some alternative embodiments, the control assistance subsystem comprises: a cooling system and a control terminal;
the cooling system adopts air cooling or water cooling to dissipate heat of the power supply extension and the high-power microwave source;
the control terminal takes an FPGA device as a core, and is matched with a peripheral interface circuit to realize the local/remote control of the power extension and the microwave transmission assembly, so that the pulse width is adjustable within the range of 100ns-10us, and the repetition frequency is adjustable within the range of 10Hz-2000 Hz.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) Compared with the prior art, the small-sized microwave vehicle and ship forced stopping device has the characteristics of small volume, light weight and strong maneuverability, and is easy to integrate on a vehicle, a ship or a fixed type;
(2) A high-power microwave source regulation and control technology and a pulse modulation technology are adopted to provide radio frequency modulation pulses with performance meeting requirements for a radio frequency amplifying tube;
(3) The high-gain bullseye antenna adopts the technology of space remote diffraction-free focusing transmission and high-power directional radiation, not only realizes miniaturization, but also is easy to process.
Drawings
FIG. 1 is a schematic structural diagram of a small-sized microwave vehicle and vessel forced parking system based on a high-gain bullseye antenna according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an exemplary embodiment of a microwave source applied to an automotive electronic control module;
fig. 3 is a diagram of a power extension provided in an embodiment of the present invention;
fig. 4 is a schematic diagram of a high-gain bulls-eye antenna according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a microwave vehicle forced-stop system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
A small microwave vehicle and ship forced parking system based on a high-gain bullseye antenna (the shape of the high-gain bullseye antenna is like a bullseye, and a microwave antenna is designed by using a bullseye structure) can depend on a vehicle platform or a ship platform, and a system structure block diagram is shown in figure 1 and mainly comprises a pulse modulation subsystem, a microwave transmission subsystem and a control auxiliary subsystem. The core working principle of the whole system is that a pulse modulation subsystem is used for converting electric energy of a primary power supply to generate proper high-voltage direct current pulses, a microwave transmission subsystem is excited to generate high-energy microwaves, the phase and the time sequence of a radiation unit are accurately controlled through a bullseye antenna, the energy is transmitted out, the action process from a microwave source to an automobile electronic control module is shown in figure 2, strong electromagnetic pulses pass through a hole seam or a non-metallic medium of a vehicle and a ship and generate a strong coupling effect with a cable, a sensor and an electronic control system, so that the vehicle and ship power control system is forced to be disordered, and an engine is flamed out.
The pulse modulation subsystem mainly comprises a power supply extension, a modulation extension and a pulse transformer extension. The power supply extension set is composed as shown in figure 3, a primary power supply is subjected to full-bridge rectification, filtering and voltage stabilization after passing through a circuit breaker and then is converted into a direct current power supply, a control circuit of a charging starting button outputs driving, a resonance inverter bridge outputs high-frequency signals under the control of driving signals, the high-frequency signals are boosted through a secondary high-frequency transformer, the high-frequency signals output by a high-frequency rectification filter module can obtain the high voltage of several kilovolts, voltage sampling signals taken out by a high-voltage sampling circuit are fed back to the control circuit to form a closed-loop feedback system, the set voltage values and the voltage sampling signals taken out by the high-voltage sampling circuit are compared, the deviation is obtained, the obtained control signals are obtained, the voltage sampling signals taken out by the high-voltage sampling circuit are continuously corrected, and the purpose of voltage stabilization is finally achieved. The modulation extension is mainly composed of a plurality of paths of same IGBT switch modules which are connected in parallel, when the power supply extension charges energy storage capacitors of the plurality of paths of IGBT switch modules in place through the isolation silicon stacks, the control circuit sends out trigger pulses, and the modulation extension is triggered to output a plurality of paths of multi-kilovolt high voltages to the primary side of the pulse transformer. The pulse transformer is composed of a pulse transformer, an overcurrent protection sampling circuit and the like, wherein 1kV-6kV pulse voltage is input into a primary side of the pulse transformer, 30kV-200kV high-voltage pulses are output to a microwave transmission subsystem through a secondary side of the pulse transformer, so that the microwave transmission subsystem generates resonance work, when the microwave transmission subsystem is ignited, a sampling current acquired from the secondary output by the overcurrent protection sampling circuit outputs a fault signal to a control circuit, and when the control circuit continuously samples multiple fault signals, the pulse modulation subsystem stops working.
The microwave transmission subsystem mainly comprises a high-power microwave source, a microwave transmission assembly and a high-gain bullseye antenna. The high-power microwave source receives a high-voltage pulse signal generated by the pulse modulation subsystem, is based on the radiation unit of the free electron source, converts electric energy into microwave energy and transmits the microwave energy. The microwave transmission assembly achieves good impedance matching in a required bandwidth, meets the requirement of power capacity, avoids high-power breakdown, has smooth inner wall, meets the requirements of small loss, low standing wave and high power, also meets the requirement of stable amplitude and stable phase, can monitor power in real time through the directional coupler, can fill sulfur hexafluoride gas into the transmission assembly for further improving the power capacity, and is well designed for the air tightness of the joint of the assembly. The high-gain bovine eye antenna structure is shown in fig. 4, and can refer to the design idea of the bovine eye antenna structure disclosed in CN111244612A, based on the structured non-diffraction beam long-distance focusing and transmission principle, perform electromagnetic radiation through the feed source and the gap, and then excite the SSPPs (spherical Surface plasma polarizations) through the two-dimensional folded structure and realize the conversion from the SSPPs to the spatial radiation wave, thereby changing the Surface current path, not only realizing miniaturization, but also having the electromagnetic focusing effect at the far field, and greatly improving the gain of the antenna. This capability allows for more flexible antenna design. The antenna only adopts the fold structure, the metal back plate and the feed source to form, has a very simple structure, is made of metal materials, and is easy to process. The microwave radiation unit can regulate and control the microwave electromagnetic field of the mouth surface, accurately control the phase and the time sequence of the radiation unit, and has the characteristics of compact structure, high efficiency and large power capacity.
The control auxiliary subsystem mainly comprises a cooling system and a control terminal. The cooling system can select air cooling or water cooling according to the structural characteristics and the power capacity of the whole device to radiate the power supply extension and the high-power microwave source so as to keep the stable output of the system. The hardware part of the control terminal unit takes an FPGA device as a core, local/remote control of the power extension and the microwave transmission assembly is realized by matching with a peripheral interface circuit, background management and performance monitoring can be carried out on the running state of the whole system, the output frequency, the pulse width and the repetition frequency of the control terminal unit are controlled, the pulse width can be adjusted within the range of 100ns-10us, the repetition frequency can be adjusted within the range of 10Hz-2000Hz, and the microwave source can be selected by a user within a preset frequency band according to the frequency spectrum management requirement of a use place.
As shown in figure 5, a small microwave vehicle forced stopping system can be integrated on the rotary table, the pulse modulation subsystem is positioned inside the base of the rotary table, the integral design scheme enables the whole structure of the rotary table to be compact, and meanwhile, the increased bottom weight effectively improves the stability of the table body. The turntable rotating shaft is provided with a primary power interface and a control signal interface, the primary power interface receives 380V/50Hz alternating voltage, the power supply is used for providing turntable power, cooling device power supply, control system power supply and electric energy conversion of the pulse modulation subsystem, and the control signal interface is used for receiving and feeding back user commands, can perform photoelectric conversion and adopts optical signal transmission. In order to reduce the electromagnetic compatibility problem possibly generated in the equipment integration process and improve the stability and reliability of the whole system, a signal filter is processed and configured at an interface through a shielding layer, so that the radiation interference generated at a bullseye antenna can be prevented, the conduction interference generated inside a cable can be filtered, the interference signal is greatly inhibited, the working signal cannot be seriously influenced, and the signal distortion cannot be caused. And a high-voltage slip ring is arranged in the turntable, one end of the slip ring is connected with high-voltage pulses generated by the pulse modulation subsystem, and the other end of the slip ring is connected with a high-power microwave source. Digital signals, analog signals and high-voltage signals in the rotary table are required to be separately wired, enough distance needs to be kept in an installation space, and a wave-proof sleeve is further arranged on a control signal line and an analog signal line to reduce electromagnetic interference. The high-power microwave source and the microwave transmission assembly are arranged at the upper end of the rotary table and are packaged by the load frame, 2 ventilation openings are formed in the position of the load frame, heat generated inside is timely transmitted to the outside through the ventilation openings in an air cooling mode in a heat dissipation design, and the size of a pore gap is strictly controlled by the heat dissipation openings according to the frequency band of emitted electromagnetic waves, so that the microwave coupling effect is weakened. The antenna back plate is provided with a mounting hole and a fixing pin, the mounting hole of the antenna back plate is fixed with the load frame, and the fixing pin of the antenna back plate is matched with the eyelet antenna in mounting. The microwave transmission assembly is provided with an inflation hole and a directional coupler, the power meter can be connected with the directional coupler to monitor output power in real time, and sulfur hexafluoride gas can be filled into the inflation hole when necessary. The rotary table is integrally designed to be three-proof, can continuously act all the time, is simple to control, has a friendly operation interface, and can adjust the microwave beam-emitting direction through the rotation of the horizontal shaft pitching shaft of the rotary table.
The invention creatively solves the problems existing in the prior vehicle and ship interception technology through the technology, mainly solves the problems of serious potential safety hazard and poor interception effect on law enforcement personnel in the face of the escape behavior of illegal personnel driving vehicles and ships in the public safety field by using a non-contact safety law enforcement means through the disorder and damage effect generated on an electronic system by strong electromagnetic pulses.
It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A small-size microwave car and ship system of forcing to stop based on high gain bull's eye antenna, its characterized in that includes: the system comprises a pulse modulation subsystem, a microwave transmission subsystem and a control auxiliary subsystem;
the pulse modulation subsystem is used for converting electric energy of a primary power supply to generate a target high-voltage direct-current pulse, then exciting the microwave transmission subsystem to generate high-energy microwaves through the target high-voltage direct-current pulse, and transmitting energy through accurately controlling the phase and time sequence of a radiation unit through a bullseye antenna in the microwave transmission subsystem;
and the control auxiliary subsystem is used for carrying out heat dissipation and monitoring on the pulse modulation subsystem and the microwave transmission subsystem.
2. The small microwave vehicle-vessel forced parking system according to claim 1, wherein the pulse modulation subsystem comprises a power supply extension, a modulation extension and a pulse variation extension;
the power supply extension is used for converting electric energy of a primary power supply to generate a plurality of kilovolt high-voltage pulse signals;
the modulation extension is used for shunting the thousands of volts of high-voltage pulse signals to obtain a plurality of paths of thousands of volts of high voltage;
the pulse transformer extension is used for further boosting the high voltage of thousands of volts of each path to a target high-voltage direct-current pulse.
3. The small microwave forced parking system for vehicles and ships as claimed in claim 2, wherein the power extension is used for converting a primary power supply into a dc power supply through full-bridge rectification, filtering and voltage stabilization after passing through a circuit breaker, the control circuit of the charging start button outputs driving, the resonant inverter bridge outputs a high-frequency signal under the control of a driving signal, the high-frequency signal is boosted through a secondary high-frequency transformer, a high voltage of several kilovolts can be obtained after being output by the high-frequency rectification and filtering module, a voltage sampling signal taken out by the high-voltage sampling circuit is fed back to the control circuit to form a closed-loop feedback system, a deviation is obtained between a set voltage value and the voltage sampling signal taken out by the high-voltage sampling circuit, the obtained control signal is continuously corrected for the voltage sampling signal taken out by the high-voltage sampling circuit, and finally the purpose of voltage stabilization is achieved.
4. The small microwave forced parking system for vehicles and ships as claimed in claim 3, wherein the modulation extension is composed of multiple paths of identical IGBT switch modules connected in parallel, and after the power supply extension charges energy storage capacitors of the multiple paths of IGBT switch modules to a certain position through an isolation silicon stack, the control circuit sends out trigger pulses to trigger the modulation extension to output multiple paths of several kilovolts to the pulse transformer extension.
5. The small microwave forced parking system for vehicles and ships according to claim 4, wherein the pulse transformer consists of a pulse transformer and an overcurrent protection sampling circuit, the pulse transformer inputs 1kV-6kV pulse voltage obtained by the modulation extension at the primary side and outputs 30kV-200kV high-voltage pulse to the microwave transmission subsystem at the secondary side to enable the microwave transmission subsystem to generate resonance operation, when the microwave transmission subsystem is ignited, the overcurrent protection sampling circuit outputs a fault signal to the control circuit from sampling current collected at the secondary side output, and when the control circuit continuously samples multiple fault signals, the pulse modulation subsystem stops operating.
6. The small microwave forced parking system for vehicles and ships as claimed in claim 5, wherein said microwave transmission subsystem comprises: the high-power microwave source, the microwave transmission assembly and the high-gain bullseye antenna;
the high-power microwave source receives a high-voltage pulse signal generated by the pulse modulation subsystem, and converts electric energy into microwave energy to transmit the microwave energy based on a radiation unit of a free electron source;
the microwave transmission assembly realizes good impedance matching in a required bandwidth, meets the requirement of power capacity, avoids high-power breakdown, has smooth inner wall, monitors power in real time through a directional coupler, fills sulfur hexafluoride gas into the microwave transmission assembly and well designs the air tightness of the joint of the microwave transmission assembly;
the high-gain bullseye antenna is based on the long-distance focusing and transmission principle of structured diffraction-free beams, carries out electromagnetic radiation through a feed source and a gap, excites SSPPs through a two-dimensional corrugated structure and realizes the conversion from the SSPPs to space radiation waves.
7. The small microwave forced parking system for vehicles and ships as claimed in claim 6, wherein said control assistance subsystem comprises: a cooling system and a control terminal;
the cooling system adopts air cooling or water cooling to dissipate heat of the power supply extension and the high-power microwave source;
the control terminal takes an FPGA device as a core and is matched with a peripheral interface circuit to realize the local/remote control of the power extension and the microwave transmission assembly, the pulse width is adjustable within the range of 100ns-10us, and the repetition frequency is adjustable within the range of 10Hz-2000 Hz.
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| CN202110367856.2A CN113147390B (en) | 2021-04-06 | 2021-04-06 | Small-sized microwave vehicle and ship forced parking system based on high-gain bulleye antenna |
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| CN113147390B true CN113147390B (en) | 2022-11-25 |
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| CN102019918A (en) * | 2009-09-22 | 2011-04-20 | 李学全 | Automobile forced-stopping device |
| CN110761907A (en) * | 2019-11-06 | 2020-02-07 | 西安电子工程研究所 | Forced flameout device for engine of speed boat |
| CN110764490A (en) * | 2019-11-08 | 2020-02-07 | 中国舰船研究设计中心 | Forced stop sensitive device threshold value testing method for high-power microwave speedboat |
| CN111130575A (en) * | 2020-01-20 | 2020-05-08 | 深圳市思博克科技有限公司 | Police high-power pulse microwave emission vehicle forced stopping device |
| CN111244612A (en) * | 2019-11-08 | 2020-06-05 | 中国舰船研究设计中心 | Electromagnetic focusing high-gain bulleye antenna |
| CN111338230A (en) * | 2019-10-09 | 2020-06-26 | 中国舰船研究设计中心 | Method for determining forced power failure magnetic sensitivity threshold of speed boat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102018004568B4 (en) * | 2018-06-08 | 2024-02-01 | Diehl Defence Gmbh & Co. Kg | Radiation source for microwave pulses and radiation device |
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2021
- 2021-04-06 CN CN202110367856.2A patent/CN113147390B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019918A (en) * | 2009-09-22 | 2011-04-20 | 李学全 | Automobile forced-stopping device |
| CN111338230A (en) * | 2019-10-09 | 2020-06-26 | 中国舰船研究设计中心 | Method for determining forced power failure magnetic sensitivity threshold of speed boat |
| CN110761907A (en) * | 2019-11-06 | 2020-02-07 | 西安电子工程研究所 | Forced flameout device for engine of speed boat |
| CN110764490A (en) * | 2019-11-08 | 2020-02-07 | 中国舰船研究设计中心 | Forced stop sensitive device threshold value testing method for high-power microwave speedboat |
| CN111244612A (en) * | 2019-11-08 | 2020-06-05 | 中国舰船研究设计中心 | Electromagnetic focusing high-gain bulleye antenna |
| CN111130575A (en) * | 2020-01-20 | 2020-05-08 | 深圳市思博克科技有限公司 | Police high-power pulse microwave emission vehicle forced stopping device |
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