CN110160393B

CN110160393B - Small electromagnetic transmitting device

Info

Publication number: CN110160393B
Application number: CN201910392050.1A
Authority: CN
Inventors: 张雯浩; 孙新亮; 龚睿; 温垚珂; 宋焦; 徐诚; 王亚平
Original assignee: Nanjing University of Science and Technology
Current assignee: Nanjing University of Science and Technology
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2022-01-11
Anticipated expiration: 2039-05-13
Also published as: CN110160393A

Abstract

The invention discloses a small electromagnetic launch device, comprising a power supply module, a plurality of launch modules connected in series, a control module, and a bomb supply module for supplying power to other modules; the launch module includes a capacitor, a fast recovery diode, a thyristor, a coil and a Photoelectric switch; the capacitor is connected in parallel with the fast recovery diode and the coil; the cathode of the fast recovery diode, the coil current inlet end and the capacitor anode are connected with a thyristor; the K pole of the thyristor is connected to the fast recovery diode cathode and the coil current inlet end, and the A pole is connected The anode of the capacitor is connected with the photoelectric switch; the cathode of the capacitor is grounded, and the anode is connected with the power supply module; the capacitor is provided with a voltage detection port and a charging port; the voltage detection port is connected with the control module; the charging port is connected with the power supply module through the first relay; the coil The ammunition supply module is connected with the control module through the second relay; the photoelectric switch is arranged on the firing end of the gun barrel; the control module controls the relay on and off. The invention can realize the miniaturization of the transmitting device.

Description

Small electromagnetic transmitting device

Technical Field

The invention belongs to the field of electromagnetic weapons, and particularly relates to a small electromagnetic launching device.

Background

At present, people and policemen in China often lack suitable weapons for dealing with the problems of security and riot control, so that the people and the policemen need a special gun for the riot control to reduce unnecessary casualties.

The existing non-lethal firearms for explosion prevention generally adopt chemical energy (gunpowder) emission, have great power in close range combat, and possibly cause permanent damage to targets. Such traditional firearms mostly adopt the shell to fix the bullet, and the mechanical structure still needs to accomplish shell taking and shell throwing processes, and mechanical structure and automatic process are comparatively complicated. In addition, the power controllability of the fixed-setting type bullet can hardly be realized, the power of the fixed-setting type bullet is difficult to switch as soon as possible under different anti-riot conditions, unnecessary casualties are often easily caused, the traditional fixed-setting bullet comprises gunpowder and a shell case, the bullet carrying amount of a single person is still not limited, and if the traditional fixed-setting bullet falls into the hands of lawless persons, social safety is easily damaged. Moreover, the firearms adopting gunpowder to launch the shots are often accompanied with muzzle flame, noise and smoke dust during firing, so that the firearms are very easy to expose the positions of the firearms and attract the attack of enemy targets.

Disclosure of Invention

The invention aims to provide a small electromagnetic transmitting device to realize controllable killing and reduce the problem of individual load.

The technical solution for realizing the purpose of the invention is as follows: a small-sized electromagnetic transmitting device comprises a power supply module, a plurality of transmitting modules connected in series, a control module and an ammunition supply module;

the transmitting module comprises a capacitor C, a fast recovery diode FRD, a silicon controlled rectifier SCR, a coil L and a photoelectric switch S; the capacitor C is connected with the fast recovery diode FRD and the coil L in parallel; a Silicon Controlled Rectifier (SCR) is connected between the cathode of the Fast Recovery Diode (FRD), the current inlet end of the coil L and the anode of the capacitor C; the K pole of the silicon controlled rectifier SCR is connected with the cathode of the fast recovery diode FRD and the current inlet end of the coil L, the A pole of the silicon controlled rectifier SCR is connected with the anode of the capacitor C, and the G pole of the silicon controlled rectifier SCR is connected with the photoelectric switch S; the cathode of the capacitor C is grounded, and the anode of the capacitor C is connected with the power supply module; the capacitor C is provided with a voltage detection port and a charging port; the voltage detection port is connected with the control module; the charging port is connected with the power supply module through a first relay; the coil L is wound on the outer side of the gun barrel; the ammunition supply module is connected with the control module through a second relay and is used for supplying ammunition to the gun barrel; the photoelectric switch S is arranged at the launching end of the gun barrel and used for detecting whether the projectile enters the gun barrel or not; the control module is used for controlling the on-off of the first relay and the second relay so as to control the charging of the capacitor C and the ammunition supply work of the ammunition supply module; the power supply module is used for supplying power to the transmitting module, the control module and the ammunition feeding module.

Compared with the prior art, the invention has the following remarkable advantages: a

(1) The coil type transmitting principle is adopted, the capacitor is used as the transmitting coil to discharge instantly, the transmitting energy comes from the electric energy stored in the capacitor, and compared with the traditional firearm, the transmitting energy can be controllable in size, namely the killing performance of the device is controllable.

(2) Compared with other electromagnetic emission principles, the coil type emission principle has the advantages that the requirement on the discharge capacity of the battery is minimum, the emission circuit is simple, and the battery with high energy storage density can be used as the power supply, so that the overall volume and weight of the coil type emission principle are smaller.

(3) The launching module directly launches the iron shot, uses the shell-free bullet, does not need the shell-throwing process, and inside mechanical motion is simpler, and inner structure is more simplified. Has the advantages of no smoke, no dust, no muzzle flame and good concealment. More rounds can be carried than a normal firearm with the same carrying weight.

(4) A single chip circuit is used as a control module, and the control module leads out two voltage measuring lines to measure the voltage information of the capacitor bank and the switch signal at the trigger switch in real time. The single chip program carries out logic judgment on the measured information and automatically completes actions such as mechanical structure control, automatic charging, initial speed adjustment and the like.

Drawings

Fig. 1 is a schematic view of the overall structure of the transmitting device of the present invention.

Fig. 2 is a schematic diagram of a single-stage transmit circuit of the present invention.

Fig. 3 is a schematic diagram of a multi-stage transmission circuit of the present invention.

Fig. 4 is a schematic partial structure diagram of a multi-stage transmitting device according to the present invention.

FIG. 5 is a schematic view of a cartridge feeding module according to the present invention.

FIG. 6 is a block diagram of the overall function of the present invention.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

With reference to fig. 1, the small electromagnetic transmitting device of the present invention includes a power supply module, a plurality of transmitting modules 1 connected in series, a control module 7, and an ammunition feeding module 2;

with reference to fig. 2, the transmitting module includes a capacitor C, a fast recovery diode FRD, a thyristor SCR, a coil L, and a photo switch S; the capacitor C is connected with the fast recovery diode FRD and the coil L in parallel; a Silicon Controlled Rectifier (SCR) is connected between the cathode of the Fast Recovery Diode (FRD), the current inlet end of the coil L and the anode of the capacitor C; the K pole of the silicon controlled rectifier SCR is connected with the cathode of the fast recovery diode FRD and the current inlet end of the coil L, the A pole of the silicon controlled rectifier SCR is connected with the anode of the capacitor C, and the G pole of the silicon controlled rectifier SCR is connected with the photoelectric switch S; the cathode of the capacitor C is grounded, and the anode of the capacitor C is connected with the power supply module; the capacitor C is provided with a voltage detection port 10 and a charging port 9; the voltage detection port 10 is connected with the control module; the charging port 9 is connected with the power supply module through a first relay; the coil L is wound outside the barrel 8; the ammunition supply module is connected with the control module through a second relay and is used for supplying ammunition to the gun barrel 8; the photoelectric switch S is arranged at the launching end of the gun barrel and used for detecting whether the shot enters the gun barrel 8 or not; with reference to fig. 6, the control module is configured to control on/off of the first relay and the second relay, so as to control charging of the capacitor C and ammunition supply of the ammunition supply module; the power supply module is used for supplying power to the transmitting module, the control module and the ammunition feeding module.

Further, referring to fig. 3, the output end of the power supply module is connected to the plurality of emission modules through the plurality of diodes D, respectively, the anode of the diode D is connected to the voltage output end of the power supply module, and the cathode of the diode D is connected to the charging port 9 of the corresponding emission module, so as to prevent the capacitors C of the plurality of emission modules from being affected by voltage in parallel. Each emission module shares a barrel 8, and the emission end of each emission module is connected with the emission end of the previous module in sequence.

Further, the ammunition supply module 2 comprises a magazine and an electromagnetic push rod; the electromagnetic push rod is arranged at the top end of the magazine and is used for pushing the shots in the magazine into the gun barrel 8; the bullet box is used for storing the bullets, and the bullets can be pushed into the tail end of the gun barrel by the push rod of the electromagnetic push rod in sequence to trigger the photoelectric switch S, so that the launching module accelerates and launches the bullets.

Preferably, the power supply module comprises a main power supply and a secondary power supply; the main power supply is connected with the second relay and the first relay through the booster; the booster is used for converting the low voltage of 11.1V of the main power supply into the high voltage of 400V so as to charge the capacitor C. The secondary power supply is used for supplying power to the control module. Through the main power supply and the auxiliary power supply, the problem that when a single power supply is used, the power supply is unstable in voltage and causes functional disorder of the control module under the high-power working state that the power supply charges the capacitor C quickly is avoided.

Preferably, the direct current booster adopts a ZVS boosting circuit.

Preferably, the transmitting module is provided with a plurality of capacitors C connected in parallel to form a capacitor bank, and the plurality of capacitors C can improve the electric storage capacity and the transmitting energy.

Further, the capacitor C is arranged in the gun stock to improve the utilization rate of the internal space of the electromagnetic launching device and enable the gravity center of the device to be closer to the handle, wherein the capacitor C can be arranged separately from other components of the launching module; the middle of the cable is connected by a thick copper wire (phi 1mm) to ensure the current bearing capacity and reduce the electric energy loss.

With reference to fig. 1, the primary 5 and secondary 4 power supplies are arranged in the handle, while the dc booster 6 is connected to the primary power supply at the input and to the capacitor C at the output and is arranged at the connection of the handle and the butt, and the control module 7 is arranged above the firing device, so as to make the best use of the internal space.

Furthermore, the whole launching device is also provided with a control switch, and a trigger of the launching device is connected with the control module through the control switch. When the trigger is pulled, the control switch generates a trigger signal, and the control module controls the ammunition feeding module and the launching module to work.

Furthermore, the control module is also connected with a keyboard, the control module is provided with a password setting module, the starting password of the whole transmitting device can be set, and the control module can also provide password unlocking of the whole transmitting device by utilizing a single chip microcomputer program.

Furthermore, the control module is also provided with a counting module, and counting signals are generated through a second relay start end signal of the ammunition supply module.

As an implementation mode, the control module adopts a single chip microcomputer.

The small electromagnetic emitting device of the invention has the working process as follows:

after the transmitting device is started, firstly, under the control of the control module, the power supply module charges the capacitor C of the transmitting module. After charging, the trigger is pulled down, the control module receives a control switch signal and a capacitor C voltage signal at the trigger, and the electromagnetic push rod is judged to push the projectile into the gun barrel 8. The photoelectric switch S is connected with 5V direct current voltage; can shelter from the photoelectric switch S in the barrel 8 after the shot gets into barrel 8, then photoelectric switch S sends signal to silicon controlled rectifier SCR' S G utmost point, switch on silicon controlled rectifier SCR, at this moment electric capacity C forms the return circuit that discharges with coil L, and fast recovery diode FRD can prevent electric capacity C reverse charging, coil L can be through heavy current in the twinkling of an eye, produce strong magnetic field, thereby make the shot by coil L magnetic field with higher speed, and loop through several following coil L, the movable photoelectric switch S department to the next level of the shot of first order acceleration triggers with higher speed, so repeatedly, jet out the muzzle after final multistage acceleration. After the transmission is finished, the control module measures that the voltage of the capacitor C of the transmission module is lower than a set value, so that the high-voltage output end of the power supply module is controlled to charge the capacitor C to the voltage to be transmitted, and a transmission working cycle is finished. The control module controls the power supply module to charge the capacitor C of the transmitting module, and whether the charging is stopped or not can be determined according to the measured voltage of the capacitor C, so that the charging voltage of the capacitor is controlled. The control logic is as follows: the single chip microcomputer detects that the voltage of a voltage measuring end 10 of the capacitor C is lower than a set value, the control module closes the first relay, the capacitor C can be gradually boosted, in the boosting process, the single chip microcomputer measures the voltage of the capacitor C in real time until the voltage of the capacitor C is slightly larger than the set voltage, and at the moment, the first relay is disconnected and charging is stopped. Due to the weak discharging action of the outer loop of the capacitor C, the voltage of the capacitor C can slowly drop, and when the voltage of the capacitor C is less than or equal to the set voltage, the first relay is closed again to charge the capacitor C. The capacitor C voltage can be maintained in a stable state through the process. The set voltage of the control module can be input through an external small keyboard, so that the killing force of the projectile can be controlled.

The small electromagnetic launching device can realize the forward launching of iron shot under the driving of electromagnetic force, and can be operated by a single person or mounted on various small and medium-sized unmanned platforms for use. The iron projectile is driven to move forwards in the gun barrel 8 by utilizing the attraction between magnetic fields (a magnetic field generated by electrifying the coil L and a magnetic field generated by exciting the projectile), and the functions of single-shot firing, adjustable firing speed, adjustable initial speed and the like can be realized under the control of the control module.

Claims

1. A small electromagnetic launch device, characterized in that it comprises a power supply module, a plurality of launch modules (1) connected in series, a control module (7), and a bomb supply module (2);

The transmitting module includes a capacitor C, a fast recovery diode FRD, a thyristor SCR, a coil L and a photoelectric switch S; the capacitor C is connected in parallel with the fast recovery diode FRD and the coil L; the cathode and the coil of the fast recovery diode FRD are connected in parallel. A thyristor SCR is connected between the current inlet terminal of L and the anode of the capacitor C; the K pole of the thyristor SCR is connected to the cathode of the fast recovery diode FRD and the current inlet terminal of the coil L, and the A pole of the thyristor SCR is connected to the capacitor The anode of C and the G pole of the thyristor SCR are connected to the photoelectric switch S; the cathode of the capacitor C is grounded, and the anode is connected to the power supply module; the capacitor C is provided with a voltage detection port (10) and a charging port (9); The voltage detection port (10) is connected to the control module; the charging port (9) is connected to the power supply module through a first relay; the coil L is wound on the outside of the barrel; the ammunition supply module is connected to the control module through a second relay The modules are connected to each other for feeding the barrel; the photoelectric switch S is arranged at the firing end of the barrel to detect whether the projectile enters the barrel; the control module (7) is used to control the operation of the first relay and the second relay. On and off, so as to control the charging of the capacitor C and the bomb supply work of the bomb supply module; the power supply module is used to supply power to the launch module (1), the control module (7), and the bomb supply module (2); the device is provided with Control switch, the trigger of the launching device is connected with the control module through the control switch; when the trigger is pulled, the control switch generates a trigger signal, and the control module controls the work of the ammunition supply module and the launching module; the control principle of the control module is: after the device is turned on, When it is detected that the voltage of the capacitor C is lower than the set value, the control module (7) controls the closing of the first relay to charge the capacitor. After the charging is completed, the trigger is pulled, and the control module (7) simultaneously receives the voltage signal of the capacitor C and the closing signal of the control switch, It is determined that the electromagnetic push rod pushes the projectile into the barrel, and then blocks the photoelectric switch S of the barrel, and then the photoelectric switch S sends a signal to the G pole of the thyristor SCR, which turns on the thyristor SCR to control the capacitor to discharge through the coil, and the coil L forms a strong The magnetic field accelerates the projectile and shoots out of the muzzle through multi-stage acceleration, and then the control module (7) detects that the voltage of the capacitor C is lower than the set value, recharges the capacitor C to the set value, and completes a firing cycle.

2. The small electromagnetic transmitting device according to claim 1, wherein the output end of the power supply module is respectively connected to a plurality of transmitting modules through a plurality of the diodes D, the anode of the diode D is connected to the voltage output end of the power supply module, and the cathode is connected to the voltage output end of the power supply module. Connect to the corresponding charging port of the transmitter module.

3 . The small electromagnetic launching device according to claim 1 , wherein the ammunition supply module ( 2 ) comprises a magazine and an electromagnetic push rod; the electromagnetic push rod is arranged on the top of the magazine and is used for attaching the magazine to the magazine. 4 . The projectile inside is propelled into the barrel.

4. The small electromagnetic transmitting device according to claim 1, wherein the power supply module comprises a main power supply (5) and a secondary power supply (4); the main power supply (5) is connected to the first power supply through a DC booster The relay is connected to charge the capacitor C; the auxiliary power supply (4) is used to supply power to the control module.

5 . The small electromagnetic transmitting device according to claim 4 , wherein the DC booster adopts a ZVS booster circuit. 6 .

6. The small electromagnetic launching device according to claim 4, characterized in that, the main power supply (5) and the auxiliary power supply (4) are arranged in the handle; the control module (7) is arranged above the launching device.

7 . The small electromagnetic launching device according to claim 1 , wherein the capacitor C is arranged in the gun stock. 8 .

8. The small electromagnetic transmitting device according to claim 1, wherein the control module is further provided with a password setting module and a counting module; the password setting module provides a password unlocking of the whole machine; The second relay start signal of the bomb module generates a count signal.