A police anti-riot intelligent array multi-pulse microwave transmitter

Abstract

The present invention relates to a police anti-riot intelligent array multi-pulse microwave transmitter, comprising: a base and a cover body installed on the base; one end of the cover body is open; a main control circuit and a plurality of microwave transmitting circuits are installed in the cover body. The police anti-riot intelligent array multi-pulse microwave transmitter provided by the present invention adopts an array composed of multiple high-power magnetrons, and a microprocessor circuit manages and controls multiple microwave circuits and high-power magnetrons, and transmits high-power pulse microwave directional radiation in a synchronous sequence or different sequence to form a certain distance area range to prevent rioters from entering the area, or to drive away rioters without harming their lives.

Description

Technical Field

[0001] The invention relates to a police anti-riot intelligent array multi-pulse microwave transmitter, belonging to the technical field of police equipment. Background Art

[0002] At present, during the anti-terrorism and anti-violence process, the public security law enforcement officers in our country are equipped with lethal firearms at the public security police stations or at the anti-terrorism and anti-violence scenes. As a result, when violent and terrorist elements are mixed in the crowd during the law enforcement process, the police officers are unable to correctly judge the use of firearms to combat violent and terrorist elements. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned technology and provide a non-lethal police anti-riot intelligent array multi-pulse microwave transmitter.

[0004] In order to solve the above technical problems, the technical solution proposed by the present invention is: a police anti-riot intelligent array multi-pulse microwave transmitter, comprising: a base and a cover body installed on the base; one end of the cover body is open; a main control circuit and a plurality of microwave transmission circuits are installed in the cover body; the main control circuit comprises a processing chip, a display, a voltage regulator, a USB interface and a battery; the positive electrode of the battery is connected to the input end of the voltage regulator through a start switch, and the negative electrode of the battery is connected to the ground end of the voltage regulator; the output end of the voltage regulator is connected to one end of the first switch and one end of the second switch through a first resistor, the other end of the first switch is connected to the negative electrode of the battery through a second resistor, the other end of the first switch is also connected to the first input pin of the processing chip, the other end of the second switch is connected to the negative electrode of the battery through a third resistor, and the other end of the second switch is also connected to the second input pin of the processing chip; the output end of the voltage regulator and the ground end are respectively connected to the power supply pin and the ground pin of the processing chip, the processing chip drives the display, the data pin in the USB interface is connected to the processing chip, and the power pin is respectively connected to the positive and negative electrodes of the battery;

[0005] The microwave transmitting circuit is powered by an external power supply; the microwave transmitting driving circuit comprises: an electronic switch circuit driven by the I / O interface of the processing chip, a DC / AC conversion module, a transformer and a waveguide antenna; the waveguide antenna is arranged in the cover and faces the opening of the cover; a power interface capable of connecting to an external power supply is provided next to the base; the power interface is connected to the microwave transmitting circuit;

[0006] The external power supply, the battery and the voltage regulator share a common ground.

[0007] The above scheme is further improved in that: the electronic switch circuit includes a first transistor, a second transistor and a high-voltage field effect transistor; in the microwave transmitting circuit, the positive electrode of the external power supply is connected in series with a first diode and then connected to the drain of the high-voltage field effect transistor and the emitter of the first transistor; the source of the high-voltage field effect transistor is connected to the DC positive pin of the DC / AC conversion module; the gate of the high-voltage field effect transistor is connected to the collector of the first transistor and then connected to the negative electrode of the external power supply through a seventh resistor; the I / O interface of the processing chip is connected to the output end of the voltage regulator through a pull-up resistor, and is connected to the collector of the second transistor through a sixth resistor. The collector of the second triode is connected to the base of the first triode, and the emitter of the second triode is connected to the negative electrode of the external power supply; the positive electrode of the external power supply is connected in series with the first diode, and a first capacitor and a second capacitor are installed between the positive electrode and the negative electrode of the external power supply; the DC negative electrode pin of the DC / AC conversion module is connected to the negative electrode of the external power supply; the AC output pin of the DC / AC conversion module is respectively connected to the two ends of the primary coil of the transformer; the sampling output pin of the DC / AC conversion module is connected to the negative electrode of the voltage regulator through an eighth resistor; the frequency modulation pin of the DC / AC conversion module is connected to the first adjustable voltage The middle leg of the resistor, one end pin of the first adjustable resistor is connected to the negative electrode of the external power supply, and the other end pin is connected to the positive electrode of the external power supply through a ninth resistor, and a voltage regulator is also connected in parallel at both ends of the first adjustable resistor; the positive electrode of the voltage regulator is connected to the negative electrode of the external power supply; the secondary coil of the transformer includes: a power supply coil, a voltage doubling coil and a voltage regulator coil; one end of the voltage regulator coil is connected to the optical isolation feedback pulse width modulation ground potential pin of the DC / AC conversion module, and the other end of the voltage regulator coil is connected in series with a second diode and then connected to one end pin of the second adjustable resistor, and the other end pin of the second adjustable resistor is connected to the negative electrode of the external power supply; The middle pin of the second adjustable resistor is connected to the optical isolation feedback pulse width modulation signal input pin of the DC / AC conversion module; a first capacitor is installed between the cathode of the second diode and one end of the voltage stabilizing coil; the two ends of the power supply coil are respectively connected to the two ends of the filament of the magnetron through the first inductor and the second inductor; one end of the voltage doubler coil is connected to one end of the power supply coil after being connected in series with the second capacitor; the second capacitor is connected in parallel with a tenth resistor; the other end of the voltage doubler coil is connected to the anode of the magnetron; a high-voltage diode is forwardly connected between one end of the power supply coil and the other end of the voltage doubler coil; the output of the magnetron is connected to the waveguide antenna.

[0008] A further improvement of the above scheme is that: the display is a display using an I2C bus; its data end is connected to the positive electrode of the voltage regulator through a fourth resistor and a fifth resistor respectively; and the data end is connected to the processing chip.

[0009] A further improvement of the above scheme is that: the external power supply is a DC power supply with a voltage of 100V to 500V; the positive pole of the DC power supply is connected in series with a fuse and a power switch and then output as the positive pole of the external power supply; the negative pole of the DC power supply is the negative pole of the external power supply; and a voltmeter is installed between the positive and negative poles of the external power supply.

[0010] A further improvement of the above scheme is that: the DC power supply is composed of a lithium battery pack, the lithium battery pack is arranged in a battery cabinet, and the battery cabinet has an interface that can be connected to the power interface.

[0011] A further improvement of the above scheme is that the USB interface, voltmeter, display, power switch, start switch, first switch and second switch are exposed from the side, top or back of the cover.

[0012] The police anti-riot intelligent array multi-pulse microwave transmitter provided by the present invention adopts an array composed of multiple high-power magnetrons, and a microprocessor circuit manages and controls multiple microwave circuits and high-power magnetrons. It emits high-power pulse microwave directional radiation in a synchronous timing or different timing to form a certain distance area range to prevent rioters from entering the area, or to drive away rioters without harming lives. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the front view structure of a preferred embodiment of the present invention.

[0015] Figure 2 yes Figure 1 Schematic diagram of the side structure.

[0016] Figure 3 yes Figure 1 Schematic diagram of the rear view structure.

[0017] Figure 4 yes Figure 3 Schematic diagram of connecting the lithium battery pack structure.

[0018] Figure 5 It is a schematic diagram of the circuit structure of a preferred embodiment of the present invention. DETAILED DESCRIPTION Example

[0019] The police anti-riot intelligent array multi-pulse microwave transmitter of this embodiment is as follows: Figure 1 , Figure 2 and Figure 3 The invention comprises: a base 1 and a cover body 2 installed on the base 1; one end of the cover body 2 is open; a main control circuit and a plurality of microwave transmitting circuits are installed in the cover body 2.

[0020] like Figure 5 As shown in 100-A, the main control circuit includes a processing chip IC1, a display IC2, a voltage regulator IC3, a USB interface and a battery E; the positive electrode of the battery E is connected to the input end of the voltage regulator IC3 through the start switch K2, and the negative electrode of the battery E is connected to the ground end of the voltage regulator IC3; the output end of the voltage regulator IC3 is connected to one end of the switch S1 and one end of the switch S2 through the resistor R1, the other end of the switch S1 is connected to the negative electrode of the battery E through the resistor R2, the other end of the switch S1 is also connected to the input pin P0.0 of the processing chip IC1, the other end of the switch S2 is connected to the negative electrode of the battery E through the resistor R3, and the other end of the switch S2 is also connected to the input pin P0.1 of the processing chip IC1; the output end of the voltage regulator IC3 and the ground end form a power supply VDD, the output end of the voltage regulator IC3 and the ground end are respectively connected to the power supply pin and the ground pin of the processing chip IC1, the data pins in the USB interface are respectively connected to the P0.4 pin and the P0.5 pin of the processing chip IC3, and the power pins are respectively connected to the positive and negative electrodes of the battery. A capacitor C2 and a capacitor C3 are further arranged between the output terminal of the voltage regulator IC3 and the ground terminal.

[0021] like Figure 5 As shown in 100-B, in this embodiment, a total of 9 microwave transmitting circuits are arranged; these microwave transmitting circuits have the same structure, therefore, one of the microwave transmitting circuits is taken as an example for description, and those skilled in the art are capable of making modifications to achieve the arrangement of different numbers of microwave transmitting circuits.

[0022] The microwave transmitting circuit is powered by an external power supply; the microwave transmitting driving circuit includes: an electronic switch circuit driven by the I / O interface of the processing chip IC1, a DC / AC conversion module DC / AC-1, a transformer TL1 and a waveguide antenna DBTA-1. Figure 1 The waveguide antenna DBTA-1 is arranged in the cover body 2 and faces the opening of the cover body 2; a power interface HV capable of connecting to an external power supply is provided next to the base 1; the power interface HV is connected to the microwave transmitting circuit.

[0023] The external power supply is a DC power supply with a voltage of 100V to 500V; the positive pole of the DC power supply is connected in series with a fuse BS and a power switch K1, and then output as the positive pole of the external power supply; the negative pole of the DC power supply is the negative pole of the external power supply; a voltmeter DV is installed between the positive and negative poles of the external power supply. The external power supply, battery and voltage regulator share a common ground. The DC power supply is composed of a lithium battery pack, such as Figure 4 The lithium battery pack is arranged in a battery cabinet 40, and the battery cabinet 40 has an interface that can be connected to a power interface HV.

[0024] The primary side of the transformer TL1 is composed of a primary coil L1, and the secondary side is composed of a power supply coil L4, a voltage multiplier coil L2 and a voltage stabilizing coil L3.

[0025] The electronic switch circuit includes a transistor T1-1, a transistor T1-2 and a high-voltage field effect transistor HT1; in the microwave transmitting circuit, the positive electrode of the external power supply is connected in series with a diode D1-1 and then connected to the drain of the high-voltage field effect transistor HT1 and the emitter of the transistor T1-1; the source of the high-voltage field effect transistor HT1 is connected to the DC positive pin (DC+) of the DC / AC conversion module DC / AC-1; the gate of the high-voltage field effect transistor HT1 is connected to the collector of the transistor T1-1 and then connected to the negative electrode of the external power supply through a resistor R1-2; the I / O interface of the processing chip IC1 is connected to the output end of the regulator IC3 through a pull-up resistor R1-0, and is connected to the base of the transistor T1-2 through a resistor R1-1; the collector of the transistor T1-2 The base of transistor T1-1 is connected, and the emitter of transistor T1-2 is connected to the negative electrode of the external power supply; the positive electrode of the external power supply is connected in series with diode D1-1, and capacitors C1-1 and C1-2 are installed between the positive electrode and the negative electrode of the external power supply; the DC negative pin (DC-) of the DC / AC conversion module DC / AC-1 is connected to the negative electrode of the external power supply; the AC output pins (AC1 and AC1) of the DC / AC conversion module DC / AC-1 are respectively connected to the two ends of the primary coil L1 of the transformer TL1; the sampling output pin (URo) of the DC / AC conversion module DC / AC-1 is connected to the negative electrode of the regulator IC3 through the resistor R1-3; the frequency modulation pin ( RT) is connected to the middle pin of the adjustable resistor R1-4, one end pin of the adjustable resistor R1-4 is connected to the negative pole of the external power supply, and the other end pin is connected to the positive pole of the external power supply through the resistor R-16. The two ends of the adjustable resistor R1-4 are also connected in parallel with the voltage regulator D1-2; wherein, the installation of the voltage regulator D1-2 is reversed so that the positive pole is connected to the negative pole of the external power supply; one end of the voltage regulator coil L3 of the transformer TL1 is connected to the optical isolation feedback pulse width modulation ground potential pin (Vo) of the DC / AC conversion module DC / AC-1, and the other end of the voltage regulator coil L3 is connected in series with the diode D1-3 and then connected to one end pin of the adjustable resistor R1-5, and the other end pin of the adjustable resistor R1-5 is connected to the negative pole of the external power supply; the middle pin of the adjustable resistor R1-5 is connected to Connect to the optical isolation feedback pulse width modulation signal input pin (Vin) of the DC / AC conversion module DC / AC-1; a capacitor C1-4 is installed between the cathode of the D1-3 diode and one end of the voltage stabilizing coil L3; the two ends of the power supply coil L4 are respectively connected to the two ends of the filament of the magnetron CKG-1 through the inductor L1-1 and the inductor L1-2; one end of the voltage multiplier coil L2 is connected to one end of the power supply coil L3 after being connected in series with the capacitor C1-3; the capacitor C1-3 is connected in parallel with a resistor R1-7; the other end of the voltage multiplier coil L3 is connected to the anode of the magnetron CKG-1; a high-voltage diode HA1 is forwardly connected between one end of the power supply coil L4 and the other end of the voltage multiplier coil L2; the output of the magnetron CKG-1 is connected to the waveguide antenna DBTA-1.

[0026] In this embodiment, the display is a display using the I2C bus by IC2; its data terminal is connected to the positive electrode of the voltage regulator IC3 through the resistor R4 and the resistor R5 respectively; the data terminal is also connected to the processing chip IC1.

[0027] The USB interface, the voltmeter DV, the display IC3, the power switch K1, the start switch K2, the first switch S1 and the second switch S2 are exposed from the back of the cover body 2.

[0028] The first switch S1 is the launch start button. When S1 is turned on, microwaves will start to be launched. The second switch S2 sets the pulse microwave launch time for each magnetron waveguide antenna circuit and is driven by the main control circuit to complete the microwave launch. The time parameter can be set to 1 second, 2 seconds, 5 seconds, 10 seconds or a custom time. The voltmeter DV displays the voltage of the positive electrode HV+ and the negative electrode HV- of the lithium battery pack. The high-voltage power switch K1 (30-5) is an intelligent array multi-pulse power switch. K1 is the main power switch of the DC power supply and also serves as a safety switch for misoperation of the microwave transmitter. The start switch K2 is the power switch of the main control circuit. The USB interface is the interface for charging the battery E and the serial communication interface for communicating with external devices.

[0029] The cover body 2 is made of metal material and has a certain shielding effect. In order to ensure the adaptability of its length, the opening of the cover body 2 is also provided with an extension section 2 - 1 .

[0030] The voltage stabilizing circuit IC3 in this embodiment adopts a low voltage difference three-terminal voltage stabilizing chip; the charging voltage V+ of the battery E is ≤4.2V.

[0031] The DC / AC conversion module DC / AC-1 adopts the IPM-4M full-bridge DC / AC high-power (1000W) DC-to-AC module, the operating frequency can be adjusted from 10Hz to 150KHz, the DC input operating voltage range is 20V-500V, and the AC output voltage is stable and adjustable by changing the output pulse width value; the magnetron CKG-1 adopts a high-power (greater than 900W) magnetron.

[0032] The processing chip IC1 performs timing control on the P0.7 port and the P1.0-P1.7 port; the P0.7 port is used as the control interface of the first microwave transmitter circuit; when the P0.7 port of the processing chip IC1 is at a low level, the high-voltage field effect switch tube HT1 is not turned on; when the P0.7 port of the processing chip IC1 is at a high level, the high-voltage field effect switch tube HT1 is turned on, and the V+ of the external power supply is connected to the 1st pin of DC / AC-1 through the high-voltage field effect switch tube HT1. At this time, the high-voltage AC output from the 2nd and 3rd pins of DC / AC-1 is connected to the two ends of the LI primary coil of the transformer TL1; the resistor potentiometer R1-4, the resistor R1-6, and the voltage-stabilizing diode D1-2 form the frequency adjustment of the output high-voltage AC (the operating frequency can be adjusted from 10Hz to 150KHz);

[0033] The L3 coil of transformer TL1, diode D1-3, capacitor C1-4, and adjustable resistor R1-5 form a stabilizing circuit for the output AC voltage of the L2 coil of transformer TL1; the output AC voltage of the L2 coil of transformer TL1 is passed through a voltage doubling rectifier circuit composed of resistor R1-7, capacitor C1-3, and high-voltage diode HA1 to provide a DC voltage of 3000V-5000V to be loaded on the anode 1 and cathode 2 of the high-power magnetron CKG-1; the L3 secondary coil of transformer TL1 supplies power to the cathode 2 and cathode 3 filaments of the high-power magnetron CKG-1 through inductors L1-1 and LI-2; the microwave output terminal 4 of the high-power magnetron CKG-1 is coupled to the trumpet-mouth waveguide antenna DBTA-1 to directionally emit high-power microwaves.

[0034] In this embodiment, the main control circuit 1 manages and controls a 3×3 array microwave transmitter composed of 9 independent microwave transmitter circuits to synchronously transmit pulse microwaves with a maximum power of 9000W. It can also manage and control one or more independent microwave transmitter circuits to automatically transmit multi-pulse microwaves with a power greater than 1000W in sequence.

[0035] The present invention is not limited to the above embodiments. Any technical solution formed by equivalent replacement falls within the protection scope required by the present invention.

Claims

1. A police anti-riot intelligent array multi-pulse microwave transmitter, characterized in that: include: A base and a cover mounted on the base; One end of the cover is open; A main control circuit and a plurality of microwave transmitting circuits are installed in the cover; the main control circuit includes a processing chip, a display, a voltage stabilizer, a USB interface and a battery; the positive electrode of the battery is connected to the input end of the voltage stabilizer through a start switch, and the negative electrode of the battery is connected to the ground end of the voltage stabilizer; the output end of the voltage stabilizer is connected to one end of the first switch and one end of the second switch through a first resistor, the other end of the first switch is connected to the negative electrode of the battery through a second resistor, the other end of the first switch is also connected to the first input pin of the processing chip, the other end of the second switch is connected to the negative electrode of the battery through a third resistor, and the other end of the second switch is also connected to the second input pin of the processing chip; the output end of the voltage stabilizer and the ground end are respectively connected to the power supply pin and the ground pin of the processing chip, the processing chip drives the display, the data pin in the USB interface is connected to the processing chip, and the power supply pins are respectively connected to the positive and negative electrodes of the battery; The microwave transmitting circuit is powered by an external power supply; The microwave transmission driving circuit comprises: an electronic switch circuit driven by the I / O interface of the processing chip, a DC / AC conversion module, a transformer and a waveguide antenna; the waveguide antenna is arranged in the cover and faces the opening of the cover; a power interface capable of connecting to an external power supply is provided next to the base; the power interface is connected to the microwave transmission circuit; The external power supply, battery and voltage regulator share a common ground; The electronic switch circuit comprises a first transistor, a second transistor and a high-voltage field effect transistor; in the microwave transmitting circuit, the positive electrode of the external power supply is connected in series with a first diode and then connected to the drain of the high-voltage field effect transistor and the emitter of the first transistor; the source of the high-voltage field effect transistor is connected to the DC positive pin of the DC / AC conversion module; the gate of the high-voltage field effect transistor is connected to the collector of the first transistor and then connected to the negative electrode of the external power supply through a seventh resistor; the I / O interface of the processing chip is connected to the output end of the voltage regulator through a pull-up resistor, and is connected to the base of the second transistor through a sixth resistor; the second transistor The collector of the transistor is connected to the base of the first transistor, and the emitter of the second transistor is connected to the negative electrode of the external power supply; the positive electrode of the external power supply is connected in series with the first diode, and a first capacitor and a second capacitor are installed between the positive electrode and the negative electrode of the external power supply; the DC negative electrode pin of the DC / AC conversion module is connected to the negative electrode of the external power supply; the AC output pin of the DC / AC conversion module is respectively connected to the two ends of the primary coil of the transformer; the sampling output pin of the DC / AC conversion module is connected to the negative electrode of the regulator through the eighth resistor; the frequency modulation pin of the DC / AC conversion module is connected to the middle pin of the first adjustable resistor, One end pin of the first adjustable resistor is connected to the negative electrode of the external power supply, and the other end pin is connected to the positive electrode of the external power supply through a ninth resistor. A voltage regulator is also connected in parallel at both ends of the first adjustable resistor; the positive electrode of the voltage regulator is connected to the negative electrode of the external power supply; the secondary coil of the transformer includes: a power supply coil, a voltage multiplier coil and a voltage regulator coil; one end of the voltage regulator coil is connected to the optical isolation feedback pulse width modulation ground potential pin of the DC / AC conversion module, and the other end of the voltage regulator coil is connected in series with a second diode and then connected to one end pin of the second adjustable resistor, and the other end pin of the second adjustable resistor is connected to the negative electrode of the external power supply; the second The middle pin of the adjustable resistor is connected to the optical isolation feedback pulse width modulation signal input pin of the DC / AC conversion module; a first capacitor is installed between the cathode of the second diode and one end of the voltage stabilizing coil; the two ends of the power supply coil are respectively connected to the two ends of the filament of the magnetron through the first inductor and the second inductor; one end of the voltage doubler coil is connected to one end of the power supply coil after being connected in series with the second capacitor; the second capacitor is connected in parallel with a tenth resistor; the other end of the voltage doubler coil is connected to the anode of the magnetron; a high-voltage diode is forwardly connected between one end of the power supply coil and the other end of the voltage doubler coil; the output of the magnetron is connected to the waveguide antenna.

2. The police anti-riot intelligent array multi-pulse microwave transmitter according to claim 1 is characterized in that: The display is a display using an I2C bus; Its data end is connected to the positive electrode of the voltage stabilizer through a fourth resistor and a fifth resistor respectively; and the data end is connected to the processing chip.

3. The police anti-riot intelligent array multi-pulse microwave transmitter according to claim 1 is characterized in that: The external power supply is a DC power supply with a voltage of 100V to 500V; the positive pole of the DC power supply is connected in series with a fuse and a power switch and the output is the positive pole of the external power supply; the negative pole of the DC power supply is the negative pole of the external power supply; a voltmeter is installed between the positive and negative poles of the external power supply.

4. The police anti-riot intelligent array multi-pulse microwave transmitter according to claim 3 is characterized by: The DC power supply is composed of a lithium battery pack, which is arranged in a battery cabinet. The battery cabinet has an interface that can be connected to the power interface.

5. The police anti-riot intelligent array multi-pulse microwave transmitter according to claim 4 is characterized in that: The USB interface, voltage meter, display, power switch, start switch, first switch and second switch are exposed from the side surface, top surface or back surface of the cover body.

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