CN215832576U

CN215832576U - Multicolor laser self-adaptive dazzling suppression interference device

Info

Publication number: CN215832576U
Application number: CN202122409226.5U
Authority: CN
Inventors: 宗思光; 张鑫; 梁善勇; 刘涛; 曹静
Original assignee: Naval University of Engineering PLA
Current assignee: Naval University of Engineering PLA
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-15
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a multicolor laser self-adaptive dazzling interference suppression device, which comprises a laser emission control subsystem, a communication control subsystem, a control computer, an Ethernet switch and a user terminal, wherein the laser emission control subsystem is connected with the communication control subsystem; the laser emission control subsystem comprises a laser emission subsystem, a zooming optical component, a receiving/transmitting interface unit, a laser ranging module and a positioning module, wherein the laser emission subsystem, the laser ranging module and the positioning module are connected with the receiving/transmitting interface unit, and the zooming optical component is connected with the laser emission subsystem. The utility model discloses a control computer sends the instruction according to user terminal, through the step motor among the control laser emission subsystem, and then adjusts the optical assembly that zooms and accomplish and zoom, makes the divergence angle of output laser change, and automatic perception arrives the distance of target promptly, and the laser energy of automatic control output makes the people temporarily blind, loses space orientation ability, can avoid causing permanent damage to eyes simultaneously again.

Description

Multicolor laser self-adaptive dazzling suppression interference device

Technical Field

The utility model relates to the technical field of short-distance optical defense, in particular to a multicolor laser self-adaptive dazzling suppression interference device.

Background

Because the emitted laser is a cone beam, the energy density on the cross section of the beam changes with the transmission distance, if a transmitting telescope with fixed multiplying power is used, the spot area of the beam gradually increases from near to far, so that the human eyes are easily damaged at a short distance, and the dazzling requirement cannot be met at a long distance. In order to ensure that the irradiance of the laser beam reaching the cornea of a human eye is within a safe range, the device adjusts the divergence angle of the original beam, namely, the long-distance compression and the short-distance beam expansion, and the adjustment must be automatically and quickly completed.

The traditional laser dazzling device can injure or stun the eyes of enemies, and seriously injure the enemies aiming at or shooting at the direction of the enemies by using a photoelectric instrument. However, such laser weapons also have disadvantages: when the laser light is applied to human eyes at a short distance, permanent eye damage is easily caused to the human eyes because the laser irradiation energy is large; when the device is used for a long distance, the device often cannot block the vision because the irradiation energy is too small.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a multicolor laser self-adaptive dazzling suppression interference device.

A multicolor laser self-adaptive dazzling interference suppression device comprises a laser emission control subsystem, a communication control subsystem, a control computer, an Ethernet switch and a user terminal; the laser emission control subsystem comprises a laser emission subsystem, a zooming optical component, a receiving/transmitting interface unit, a laser ranging module and a positioning module, the laser emission subsystem, the laser ranging module and the positioning module are connected with the receiving/transmitting interface unit, and the zooming optical component is connected with the laser emission subsystem; the laser distance measuring module is used for measuring the target distance and transmitting the target distance to the user terminal through the communication control subsystem, the user terminal is used for sending an instruction to the control computer, the control computer is used for controlling a stepping motor in the laser emission subsystem according to the instruction, the zooming optical assembly is adjusted to finish zooming, the divergence angle of output laser is changed, and the control terminal is used for controlling the emission frequency of the laser emission subsystem to generate white composite laser.

And further, the system also comprises a control terminal connected with the Ethernet switch, wherein the control terminal is used for controlling the emission frequency of the laser emission subsystem to generate the white composite laser.

Furthermore, the communication control subsystem comprises a management interface unit and a control interface unit, wherein the management interface unit provides communication interfaces with the Ethernet switch, the control interface unit and the receiving/transmitting interface unit, and receives and processes messages transmitted from the control terminal, the control interface unit and the receiving/transmitting interface unit; the control interface unit provides an interface with the Ethernet switch, the management interface unit, the receiving/transmitting interface unit and the control computer, and receives and processes messages from the management interface unit and the control computer.

Furthermore, the laser emission subsystem comprises an RGB laser light-emitting head, a power supply, a laser emitter, an optical sighting lens, a guide rail, a stepping motor and an adaptive laser ranging feedback module, wherein the RGB laser light-emitting head and the optical sighting lens are fixed on an optical plane plate through a lens frame, the RGB laser light-emitting head is connected with the laser emitter by using an optical fiber, the power supply is connected with the laser emitter to provide a working power supply, each lens group unit of the zooming optical component is positioned on the guide rail and can be driven by the stepping motor to slide back and forth on the guide rail, the RGB laser light-emitting head is used for emitting laser beams, the adaptive laser ranging feedback module is used for receiving instructions of a control computer and controlling the stepping motor to operate according to the instructions, the stepping motor drives the distance between each lens group unit in the zooming optical component so as to finish zooming and change the divergence angle of output laser, so that the target experiences irradiance above the glare threshold and below the illumination damage limit.

Furthermore, the laser transmitter consists of a laser, an erbium-doped fiber amplifier with a single-mode tail fiber and an optical transmitting antenna.

The utility model has the following beneficial effects:

the utility model adopts a self-adaptive multi-color laser self-adaptive glare interference suppression method, can calculate a required laser beam divergence angle and the multiplying power of a zooming optical component through a user terminal according to a target distance measured by a laser ranging module, a laser pulse energy parameter measured in advance and a laser irradiation quantity parameter required by effective glare, then controls a computer to send an instruction according to the user terminal, and adjusts the zooming optical component to complete zooming by controlling a stepping motor in a laser emission subsystem, so that the divergence angle of output laser is changed, namely the distance of the target is automatically sensed, the output laser energy is automatically controlled, a person is temporarily blinded and loses space positioning capacity, and meanwhile, the permanent damage to eyes can be avoided.

Drawings

FIG. 1 is a schematic structural diagram of a multicolor laser adaptive dazzling suppression interference device according to the present invention;

FIG. 2 is a schematic diagram of the laser emission subsystem of the present invention;

fig. 3 is a functional block diagram of a laser emission subsystem of the laser emission subsystem.

The reference numerals in the figures are as follows:

1-laser emission control subsystem, 2-communication control subsystem, 3-stable platform, 4-control computer, 5-Ethernet exchanger, 6-control terminal, 7-user terminal;

11-a laser emission subsystem, 12-a zooming optical component, 13-a receiving/transmitting interface unit, 14-a laser ranging module and 15-a positioning module;

21-management interface unit, 22-control interface unit;

2 a-RGB laser goes out optical head, 2 b-power, 2 c-laser emitter, 2 d-optical sighting telescope, 2 e-guide rail, 2 f-step motor, 2 g-self-adaptation laser range finding feedback module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Fig. 1 is a schematic structural diagram of a multicolor laser adaptive glare suppression interference device according to an embodiment of the present invention, where the multicolor laser adaptive glare suppression interference device includes: the system comprises a laser emission control subsystem 1, a communication control subsystem 2, a stable platform 3, a control computer 4, an Ethernet switch 5, a control terminal 6 and a user terminal 7.

The laser emission control subsystem 1 comprises a laser emission subsystem 11, a zooming optical component 12, a receiving/transmitting interface unit 13, a laser ranging module 14 and a positioning module 15, wherein the laser emission subsystem 11, the laser ranging module 14 and the positioning module 15 are connected with the receiving/transmitting interface unit 13, and the zooming optical component 12 is connected with the laser emission subsystem 11.

The communication control subsystem 2 comprises a management interface unit 21 and a control interface unit 22, wherein the management interface unit 21 provides communication interfaces with the Ethernet switch 5, the control interface unit 22 and the receiving/transmitting interface unit 13, and receives and processes messages from the control terminal 6, the control interface unit 22 and the receiving/transmitting interface unit 13; the control interface unit 22 provides an interface with the ethernet switch 5, the management interface unit 21, the transmission/reception interface unit 13, and the control computer 4, and receives and processes messages from the management interface unit 21 and the control computer 4.

The working principle of the utility model is as follows:

firstly, the laser beam emitted by the laser emission subsystem 11 in the laser emission control subsystem 1 passes through the zooming optical component 12 and then is emitted to the target, the positioning module 15 carries out positioning to determine the initial position, the laser ranging module 14 measures the target distance, the laser ranging module 14 transmits the target distance to the user terminal 7 (such as a computer) through the management interface unit 21 of the communication control subsystem 2 and the Ethernet switch 5, the user terminal 7 calculates the required divergence angle of the laser beam and the multiplying power of the zooming optical component 12 according to the target distance, the laser pulse energy parameter measured in advance and the laser irradiation quantity parameter required by effective glare, then the user terminal 7 sends out an instruction and transmits the instruction to the control computer 4 stabilized on the stabilization platform 3 through the control interface unit 22 of the communication control subsystem 2, the control computer 4 controls the stepping motor 2f in the laser emission subsystem 11, and then the zooming optical component 12 is adjusted to complete zooming, so that the divergence angle of the output laser is changed, and the irradiance of the target is above the glare threshold and below the irradiation damage limit value.

Multi-color implementations require controlling the wavelength of the laser emission subsystem 11 through a control serial port of the control terminal 6. Specifically, the control terminal accesses the communication control subsystem 1 through the ethernet switch 5, and accesses the laser emission subsystem 11 through the transmission/reception interface unit 13 to control the frequency change thereof. The white composite laser is formed by mixing three spectrums of red laser, green laser and blue laser, the three lights become three primary colors, and multiple colors are realized by mixing and superposing the three lights, the frequency of a laser transmitter is changed by changing an output instruction of a control serial port of the control terminal 6, and the wavelength of the laser transmitter is changed immediately. Polychromatic laser interference has the following advantages:

1. white composite laser including dazzling green laser

The white composite laser is formed by mixing three spectrums of red laser, green laser and blue laser, so that the white composite laser is provided with the green laser, and the common glaring green light is only single-color laser.

2. The white composite laser has better illumination characteristic

The green laser is only a monochromatic light, so that only one color of reflection mode can appear under the irradiation of the green laser, and only a single color can be seen on the image, so that certain objects, particularly green objects, cannot be distinguished. The white composite laser is formed by mixing three lights, so that the self color of a target object can be still seen when the object is illuminated, and later evidence collection is facilitated.

3. White composite laser with better expansibility

The green laser can only emit green laser, and the light emitting power of the green laser can be adjusted at most by a user. The white composite laser can independently control red light, green light and blue light, namely the white composite laser can generate light with various color combinations and can also control the power of the light, so that the white composite laser can be used for dazzling and can also be used as a signal lamp and the like. The device is compatible with the characteristic of green laser dazzling, has stronger compatibility, can be used for dazzling human beings, and can generate light with different colors according to different sensitivity degrees of different species to different wavelengths to perform the functions of rejection, illumination and communication.

As shown in fig. 2, the laser emission subsystem 11 includes an RGB laser light emitting head 2a, a power supply 2b, a laser emitter 2c, an optical sighting telescope 2d, a guide rail 2e, a stepping motor 2f, and an adaptive laser ranging feedback module 2g, where the guide rail 2e, the stepping motor 2f, and the adaptive laser ranging feedback module 2g constitute an automatic optical zoom device. Each lens group unit of the zoom optical assembly 12 is located on the guide rail 2e, and each lens group unit can be driven by the stepping motor 2f to slide back and forth on the guide rail 2 e.

RGB laser goes out optical head 2a and optical sighting telescope 2d passes through the lens holder to be fixed on the optical plane board, use optic fibre to be connected RGB laser goes out optical head 2a and laser emission machine 2c, and the circular telegram, power 2b is connected with laser emission machine 2c in order to provide working power supply, after laser emission machine 2c starts, turn on the light source, observe whether the facula is located optical sighting telescope central authorities through optical sighting telescope 2d, adjust RGB laser light goes out the position of optical head 2a, the position that makes optical sighting telescope 2d observe the facula just in time is located optical sighting telescope 2 d's central authorities.

The working principle of the laser emission subsystem 11 is described as follows:

the RGB laser light emitting head 2a emits laser beams, the adaptive laser feedback ranging module 2g receives instructions of the control computer 4, the stepping motor 2f is controlled to operate according to the instructions, the stepping motor 2f drives each lens group unit in the zooming optical assembly 12 to move on the guide rail 2e, and then the distance between each lens group unit is adjusted, so that zooming is completed, the divergence angle of output laser is changed, and the irradiance on a target is above a glaring threshold and below a damage limit value.

The stepping motor 2f is an actuating mechanism for converting electric pulses into angular displacement, can control the angular displacement by controlling the number of pulses so as to achieve the purpose of accurate positioning, and can also control the rotating speed and acceleration of the motor by controlling the pulse frequency so as to achieve the purpose of speed regulation. The adaptive laser ranging feedback module 2g utilizes the stepping motor 2f to drive the related optical components to move axially, changes the focal length of the transmitting objective lens, thereby changing the divergence angle of the emergent laser, and controls the resetting device to return to the position with the maximum divergence angle and the minimum energy when the device is shut down every time so as to ensure that the device is in a safe state when the device is started up every time.

As shown in fig. 3, the laser transmitter 2c is composed of a Laser (LD), an erbium-doped fiber amplifier (EDFA) with a single-mode pigtail, and an optical transmitting antenna, and according to the experimental test, the coupling mode of the laser and the transmitting system has a large influence on the black hole in the light spot, and is simply classified as: the device is adopted for direct emission, and black holes are most obvious; the multimode fiber is adopted as a coupling device between the laser and the transmitting system, and the black hole is obvious; and the single-mode fiber coupling is adopted, so that the black hole is almost eliminated. The single-mode fiber has a good shaping effect on a mode field, and the shaped light beam with the basically uniformly distributed power density can effectively inhibit the fluctuation of signal intensity caused by the vibration of an antenna platform, but the coupling efficiency of the single-mode fiber is smaller than that of a multimode fiber (about 1-2 dB). In comprehensive consideration, the utility model uses a single-mode fiber coupling mode and has good stability.

The utility model relates to a multicolor laser self-adaptive glare suppression interference device, which is based on laser irradiation, stimulates and interferes the visual nerve of a human body by emitting light with constantly changing brightness and modulating light radiation brightness, causes visual organ dysfunction and causes temporary reversible visual impairment. The technology is used for suppressing an optical photoelectric observation channel of an opponent and a near-combat weapon aiming system in all weather, when the adaptive multi-color laser adaptive dazzling interference suppression method irradiates the opponent, the opponent cannot use a small light weapon to aim visually due to 'invisible target', the target defended by a visual interference station cannot be shot accurately, and the equipment can effectively suppress optical reconnaissance equipment, a night vision instrument, a laser infrared distance meter and a human eye vision system at a certain distance.

The utility model has more superior performance than the common non-lethal weapon: the attack speed is high, the shooting stability is good, the device adopts the light beam to attack the target, compared with any physical moving body, the light transmission has super high moving speed; the launching process has no recoil, and when the launching device acts on a plurality of targets, the direction is flexibly changed, and the response speed is high; the frightening effect is large, and the striking precision is high; in addition, the utility model has high combat efficiency and cost ratio, small environmental pollution, only consumes electric energy for each laser emission, has less than one unit of cost, greatly reduces the single-shot cost compared with dozens of yuan of anti-riot ammunition, generates no other wastes except light beams in the process of executing tasks and hardly influences the environment.

The application range of the utility model can be in the following fields and occasions:

(1) the system belongs to the fields of armed police duty and police law enforcement non-lethal weapons, and is used for handling group events and rest storm harassment events and dispersing group event crowds;

(2) sea polices perform law enforcement at sea, and can warn and refuse people and people approaching unknown boats, and perform laser dazzling irradiation on enemy counterparts, so as to achieve the purposes of driving, causing dazzling of people temporarily and even causing the people to lose the ability of behaviors through non-lethal means.

(3) The naval battle naval vessel can be used for security and guard in major exercises and training activities in sea areas, such as warning and refusal of adjacent unidentified fishing vessels and small vessels.

(4) Non-combat naval vessels such as naval oil vessels, tugboats and the like reject targets such as unidentified offshore fishing vessels, small boats and the like offshore.

(5) Airport safety protection, disperse bird crowd.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a glaring suppression interference device is dazzled to polychrome laser self-adaptation which characterized in that: the system comprises a laser emission control subsystem, a communication control subsystem, a control computer, an Ethernet switch and a user terminal; the laser emission control subsystem comprises a laser emission subsystem, a zooming optical component, a receiving/transmitting interface unit, a laser ranging module and a positioning module, the laser emission subsystem, the laser ranging module and the positioning module are connected with the receiving/transmitting interface unit, and the zooming optical component is connected with the laser emission subsystem; the laser beam emitted by the laser emission subsystem is emitted to a target after passing through the zooming optical assembly, the positioning module is used for positioning to determine an initial position, the laser ranging module is used for measuring a target distance and transmitting the target distance to the user terminal through the communication control subsystem, the user terminal is used for sending an instruction to the control computer, and the control computer is used for controlling a stepping motor in the laser emission subsystem according to the instruction, so that the zooming optical assembly is adjusted to finish zooming, and the divergence angle of the output laser is changed.

2. The multicolor laser adaptive glare suppression interference device according to claim 1, wherein: the laser emission system also comprises a control terminal connected with the Ethernet switch, wherein the control terminal is used for controlling the emission frequency of the laser emission subsystem to generate the white composite laser.

3. The multicolor laser adaptive glare suppression interference device according to claim 1, wherein: the communication control subsystem comprises a management interface unit and a control interface unit, wherein the management interface unit provides communication interfaces with the Ethernet switch, the control interface unit and the receiving/transmitting interface unit, and receives and processes messages transmitted from the control terminal, the control interface unit and the receiving/transmitting interface unit; the control interface unit provides an interface with the Ethernet switch, the management interface unit, the receiving/transmitting interface unit and the control computer, and receives and processes messages from the management interface unit and the control computer.

4. The multicolor laser adaptive glare suppression interference device according to claim 1, wherein: the laser emission subsystem comprises an RGB laser light-emitting head, a power supply, a laser transmitter, an optical sighting telescope, a guide rail, a stepping motor and an adaptive laser ranging feedback module, wherein the RGB laser light-emitting head and the optical sighting telescope are fixed on an optical plane plate through a lens frame, the RGB laser light-emitting head is connected with the laser transmitter through optical fibers, the power supply is connected with the laser transmitter to provide a working power supply, each lens group unit of the zooming optical component is positioned on the guide rail and can be driven by the stepping motor to slide back and forth on the guide rail, the RGB laser light-emitting head is used for emitting laser beams, the adaptive laser ranging feedback module is used for receiving instructions of a control computer and controlling the stepping motor to operate according to the instructions, the stepping motor drives the distance among the lens group units in the zooming optical component so as to finish zooming and change the divergence angle of output laser, so that the target experiences irradiance above the glare threshold and below the illumination damage limit.

5. The multicolor laser adaptive glare suppression interference device according to claim 4, wherein: the laser transmitter consists of a laser, an erbium-doped fiber amplifier with a single-mode tail fiber and an optical transmitting antenna.