阅读说明：本技术 一种爆炸物非接触高精度实时识别方法 (Non-contact high-precision real-time identification method for explosives ) 是由 王懋 于 2020-12-31 设计创作，主要内容包括：本发明属于爆炸物探测识别领域,具体公开了一种爆炸物非接触高精度实时识别方法,包括如下步骤：安装探测器并通过探测器进行定点探测,探测器具有爆炸物信息采集模块、识别处理模块与预警模块,其中爆炸物信息采集模块为毫米波雷达以及探测识别摄像头；爆炸物信息采集模块采集所在基点处的图像信息以及采集被探测目标发射和反射的毫米波信息,并将上述信息传输至识别处理模块；识别处理模块对信息进行实时处理,并在处理时实时输出识别信息至预警模块,由预警模块基于识别信息进行判断以及预警。本发明的探测识别方法基于图像识别以及毫米波探测,配合神经网络,从而提供有效距离的隐藏危险物品探测识别能力。(The invention belongs to the field of explosive detection and identification, and particularly discloses a non-contact high-precision real-time explosive identification method, which comprises the following steps: installing a detector and carrying out fixed-point detection through the detector, wherein the detector is provided with an explosive information acquisition module, an identification processing module and an early warning module, and the explosive information acquisition module is a millimeter wave radar and a detection identification camera; the explosive information acquisition module acquires image information at a base point and millimeter wave information emitted and reflected by a detected target, and transmits the information to the identification processing module; the recognition processing module processes the information in real time, outputs the recognition information to the early warning module in real time during processing, and the early warning module judges and warns based on the recognition information. The detection and identification method is based on image identification and millimeter wave detection, and is matched with a neural network, so that the detection and identification capability of the hidden dangerous goods in an effective distance is provided.)

1. A non-contact high-precision real-time explosive identification method is characterized by comprising the following steps:

s1: installing a detector and carrying out fixed-point detection through the detector, wherein the detector is provided with an explosive information acquisition module (1), an identification processing module (2) and an early warning module (3), and the explosive information acquisition module (1) is a millimeter wave radar and a detection identification camera;

s2: the explosive information acquisition module (1) acquires image information at a base point and millimeter wave information emitted and reflected by a detected target, and transmits the information to the identification processing module (2);

s3: the recognition processing module (2) processes the information in real time, outputs the recognition information to the early warning module (3) in real time during processing, and the early warning module (3) judges and warns based on the recognition information.

2. The non-contact high-precision real-time identification method for explosives according to claim 1, wherein the real-time processing of the information in the step S3 comprises image identification processing of the acquired image information, operational amplification of the acquired millimeter wave information, signal processing and neural network learning.

3. The non-contact high-precision real-time explosive identification method according to claim 1, wherein the detector comprises a walking support (4), a mounting seat (5), a radar body (6) and a rotary camera structure, the mounting seat (5) is connected to the top end of the walking support (4), and the radar body (6) and the rotary camera structure are arranged at the end part of the mounting seat (5); the walking support (4) comprises a fixed base (401), a first screw (402), a wheel carrier (403), a first connecting rod (404), an upright post (405) and a first driving assembly, the bottom end of the fixed base (401) can be fixed at a detection point through a bolt at a fixed point, the end of the fixed base (401) is provided with the first screw (402) and the upright post (405), and the first screw (402) is movably connected with the top end of the fixed base (401) and the bottom end of the mounting seat (5) through a rotating shaft.

4. The non-contact high-precision real-time identification method for explosives according to claim 3, characterized in that a transmission gear (406) and a first threaded sleeve (407) are sleeved on the first screw (402), a first connecting rod (404) is hinged to an end of the first threaded sleeve (407), and a free end of the first connecting rod (404) is movably connected with the wheel carrier (403); a walking wheel is arranged on the wheel carrier (403), and the free end of the wheel carrier (403) far away from the first connecting rod (404) is movably connected with a fixed base (401); the first driving component is arranged at the end part of the upright post (405), the first driving component comprises a first motor and a driving gear (408) connected to the shaft end of the first motor, and the driving gear (408) is meshed with the transmission gear (406).

5. The non-contact high-precision real-time explosive identification method according to claim 3, wherein the rotary camera structure is installed at two sides of the end of the installation base (5), the rotary camera structure comprises a second driving component, an adjusting pipe (7), a sliding plate (8), a support arm (9), a first hinged base (10), a second hinged base (11) and a camera installation plate (12), and the second driving component and the first hinged base (10) are fixed at the end of the installation base (5); first articulated seat (10) facial make-up is equipped with slide (8), and slide (8) are circular-arc and are equipped with the channel on it, and are equipped with the slider in the channel, and the slider tip passes through first articulated seat (10) of connecting rod (13) swing joint.

6. The non-contact high-precision real-time explosive identification method according to claim 5, wherein one end of the support arm (9) is movably connected to the end of the first hinged seat (10), the other end of the support arm is connected with the camera mounting plate (12), and the end of the camera mounting plate (12) is provided with the second hinged seat (11); the second hinge seat (11) is movably connected with an adjusting pipe (7), the adjusting pipe (7) comprises an outer pipe and an inner pipe which are in threaded sleeve joint, and the top end of the outer pipe is connected with a first helical gear (14); the second driving assembly comprises a second motor and a second bevel gear (15) connected to the shaft end of the second motor, and the second bevel gear (15) is meshed with the first bevel gear (14).

7. The non-contact high-precision real-time explosive identification method according to claim 6, wherein a camera assembly is mounted on the camera mounting plate (12), the camera assembly comprises a housing frame (121) and a camera body (122) mounted at the end of the housing frame (121), and a protective cover unit is mounted on the housing frame (121); the protective cover unit comprises two protective cover bodies (123) and a third driving assembly, the two protective cover bodies (123) are arc-shaped and are arranged on the upper side and the lower side of the third driving assembly, the end parts of the two protective cover bodies (123) can extend out of the shell frame (121), and a rack (124) is arranged at one side end, opposite to the two protective cover bodies (123); the third driving assembly comprises a third motor and a first gear (125) connected to the shaft end of the third motor.

Technical Field

The invention relates to the field of explosive detection and identification, in particular to a non-contact high-precision real-time explosive identification method.

Background

Terrorists have been active around the world for many years with various hazardous activities, where explosive damage has also been on the rise. With the increase of various terrorist activities, the difficulty of preventing terrorist attacks is increasing, which puts an urgent need on aspects such as explosive detection, explosion prevention measures and the like. The explosive detection is an extremely important means for anti-terrorism, and new explosive detection equipment and technology are developed emphatically, so that the effectiveness and reliability of explosive detection are greatly improved, and terrorist activities can be restrained in an unexplosive state.

The traditional explosive detection is mostly carried out manually, so that the relevant departments spend a large amount of manpower and material resources, and criminal suspects can avoid the inspection of inspectors and bring inconvenience to the work of the relevant departments. Therefore, how to perform unmanned automatic detection in outdoor public places to ensure the coverage area and safety and stability of a detection area becomes a technical problem to be solved urgently, and an efficient and effective explosive identification method is needed.

Disclosure of Invention

The invention aims to provide a non-contact high-precision real-time explosive identification method to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a non-contact high-precision real-time explosive identification method comprises the following steps:

s1: installing a detector and carrying out fixed-point detection through the detector, wherein the detector is provided with an explosive information acquisition module, an identification processing module and an early warning module, and the explosive information acquisition module is a millimeter wave radar and a detection identification camera;

s2: the explosive information acquisition module acquires image information at a base point and millimeter wave information emitted and reflected by a detected target, and transmits the information to the identification processing module;

s3: the recognition processing module processes the information in real time, outputs the recognition information to the early warning module in real time during processing, and the early warning module judges and warns based on the recognition information.

Preferably, the real-time processing of the information in S3 includes performing image recognition processing on the acquired image information, performing operational amplification, signal processing, and neural network learning on the acquired millimeter wave information.

Preferably, the detector comprises a walking bracket, a mounting seat, a radar body and a rotary camera structure, wherein the top end of the walking bracket is connected with the mounting seat, and the end part of the mounting seat is provided with the radar body and the rotary camera structure; the walking support comprises a fixed base, a first screw rod, a wheel carrier, a first connecting rod, a stand column and a first driving assembly, the bottom end of the fixed base can be fixed at a detection point through a bolt at a fixed point, the first screw rod and the stand column are installed at the end part of the fixed base, and the first screw rod is movably connected with the top end of the fixed base and the bottom end of the mounting seat through a rotating shaft.

Preferably, the first screw rod is sleeved with a transmission gear and a first threaded sleeve, the end part of the first threaded sleeve is hinged with a first connecting rod, and the free end of the first connecting rod is movably connected with the wheel carrier; the wheel carrier is provided with a travelling wheel, and the free end of the wheel carrier, which is far away from the first connecting rod, is movably connected with a fixed base; the first driving assembly is arranged at the end part of the upright post and comprises a first motor and a driving gear connected to the shaft end of the first motor, and the driving gear is meshed with the transmission gear.

Preferably, the rotary camera structure is arranged on two sides of the end part of the mounting seat, the rotary camera structure comprises a second driving component, an adjusting pipe, a sliding plate, a support arm, a first hinging seat, a second hinging seat and a camera mounting plate, and the second driving component and the first hinging seat are fixed on the end part of the mounting seat; the first hinging seat is provided with a sliding plate, the sliding plate is arc-shaped and provided with a channel, a sliding block is arranged in the channel, and the end part of the sliding block is movably connected with the first hinging seat through a connecting rod.

Preferably, one end of the support arm is movably connected to the end part of the first hinge seat, the other end of the support arm is connected with the camera mounting plate, and the end part of the camera mounting plate is provided with a second hinge seat; the second hinge seat is movably connected with an adjusting pipe, the adjusting pipe comprises an outer pipe and an inner pipe which are in threaded sleeve joint, and the top end of the outer pipe is connected with a first helical gear; the second driving assembly comprises a second motor and a second bevel gear connected to the shaft end of the second motor, and the second bevel gear is meshed with the first bevel gear.

Preferably, the camera mounting plate is provided with a camera assembly, the camera assembly comprises a shell frame and a camera body arranged at the end part of the shell frame, and the shell frame is provided with a protective cover unit; the protective cover unit comprises two protective cover bodies and a third driving assembly, the two protective cover bodies are both arc-shaped and are arranged on the upper side and the lower side of the third driving assembly, the end parts of the two protective cover bodies can extend out of the outer shell frame, and racks are arranged on the opposite side ends of the two protective cover bodies; the third driving assembly comprises a third motor and a first gear connected to the shaft end of the third motor.

Compared with the prior art, the invention has the beneficial effects that:

the detection and identification method is based on image identification and millimeter wave detection, radiation energy from a detected target is acquired and received through an image, and the detection and identification capability of the hidden dangerous goods in an effective distance is provided through a high-performance operational amplifier and signal processing equipment in cooperation with a neural network and a pattern identification technology; the detector adopted in the method of the invention is provided with a walking bracket, a mounting seat, a rotary camera structure and the like, and the walking bracket can be stretched when needing to move, thereby facilitating the moving and mounting of the detector; the rotary camera structure is provided with a rotary structure, and the rotary structure is utilized to enable the detection camera to adjust the inclination angle, increase the detectable space area and reduce the detection blind area; the protection casing that sets up on the rotary type camera structure can play effects such as rain-proof sunshade, avoids the camera high temperature of its inboard and meets with the rainwater short circuit.

Drawings

FIG. 1 is a block flow diagram of embodiment 1 of the present invention;

FIG. 2 is a block diagram of the modules of embodiment 1 of the present invention;

FIG. 3 is a schematic view of the structure of embodiment 2 of the present invention;

fig. 4 is a schematic view of a rotary camera structure according to embodiment 2 of the present invention;

fig. 5 is a schematic structural diagram of a camera head assembly according to embodiment 3 of the present invention.

In the figure: 1. an explosive information acquisition module; 2. a recognition processing module; 3. an early warning module; 4. a walkable stand; 401. a fixed base; 402. a first screw; 403. a wheel carrier; 404. a first link; 405. a column; 406. a transmission gear; 407. a first threaded sleeve; 408. a drive gear; 5. a mounting seat; 6. a radar body; 7. an adjusting tube; 8. a slide plate; 9. a support arm; 10. a first hinge mount; 11. a second hinge mount; 12. a camera mounting plate; 121. a housing frame; 122. a camera body; 123. a protective mask body; 124. a rack; 125. a first gear; 13. a connecting rod; 14. a first helical gear; 15. a second bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1: referring to fig. 1-2, the present invention provides a technical solution: a non-contact high-precision real-time explosive identification method comprises the following steps:

s1: installing a detector and carrying out fixed-point detection through the detector, wherein the detector is provided with an explosive information acquisition module 1, an identification processing module 2 and an early warning module 3, and the explosive information acquisition module 1 is a millimeter wave radar and a detection identification camera;

s2: the explosive information acquisition module 1 acquires image information of a base point and millimeter wave information emitted and reflected by a detected target, and transmits the information to the identification processing module 2;

s3: the recognition processing module 2 processes the information in real time, outputs the recognition information to the early warning module 3 in real time during processing, and the early warning module 3 judges and warns based on the recognition information.

In the present embodiment, the real-time processing of the information in S3 includes performing image recognition processing on the acquired image information, performing operational amplification, signal processing, and neural network learning on the acquired millimeter wave information.

In this embodiment, the detection and identification method is based on image identification and millimeter wave detection, and provides the detection and identification capability of hidden dangerous goods at effective distance by image acquisition and receiving of radiation energy from the detected object, and through a high-performance operational amplifier and a signal processing device, in cooperation with a neural network and a pattern recognition technology.

Example 2: referring to fig. 3-4, in the present embodiment, the detector includes a walking bracket 4, a mounting base 5, a radar body 6 and a rotating camera structure, the top end of the walking bracket 4 is connected to the mounting base 5, and the end of the mounting base 5 is provided with the radar body 6 and the rotating camera structure; the walking support 4 comprises a fixed base 401, a first screw 402, a wheel carrier 403, a first connecting rod 404, a column 405 and a first driving assembly, the bottom end of the fixed base 401 can be fixed at a detection point through a bolt at a fixed point, the end of the fixed base 401 is provided with the first screw 402 and the column 405, and the first screw 402 is movably connected with the top end of the fixed base 401 and the bottom end of the mounting base 5 through a rotating shaft.

In this embodiment, the first screw 402 is sleeved with a transmission gear 406 and a first threaded sleeve 407, an end of the first threaded sleeve 407 is hinged to a first connecting rod 404, and a free end of the first connecting rod 404 is movably connected to the wheel frame 403; a walking wheel is arranged on the wheel carrier 403, and the free end of the wheel carrier 403 far away from the first connecting rod 404 is movably connected with the fixed base 401; the first driving assembly is installed at the end of the upright column 405, the first driving assembly includes a first motor and a driving gear 408 connected to the shaft end of the first motor, and the driving gear 408 is engaged with the transmission gear 406.

In this embodiment, the rotary camera structure is installed at two sides of the end portion of the mounting base 5, the rotary camera structure includes a second driving component, an adjusting tube 7, a sliding plate 8, a supporting arm 9, a first hinge base 10, a second hinge base 11 and a camera mounting plate 12, and the second driving component and the first hinge base 10 are fixed at the end portion of the mounting base 5; first articulated seat 10 facial make-up is equipped with slide 8, and slide 8 is circular-arc and is equipped with the channel on it, and is equipped with the slider in the channel, and the slider tip passes through connecting rod 13 swing joint first articulated seat 10.

In this embodiment, one end of the supporting arm 9 is movably connected to the end of the first hinge seat 10, the other end thereof is connected to the camera mounting plate 12, and the end of the camera mounting plate 12 is provided with the second hinge seat 11; the second hinge base 11 is movably connected with an adjusting pipe 7, the adjusting pipe 7 comprises an outer pipe and an inner pipe which are in threaded sleeve joint with each other, and the top end of the outer pipe is connected with a first bevel gear 14; the second driving assembly comprises a second motor and a second bevel gear 15 connected to the shaft end of the second motor, and the second bevel gear 15 is engaged with the first bevel gear 14.

In the embodiment, the detector is provided with a walking support 4, a mounting seat 5, a rotary camera structure and the like, and the walking support 4 can be stretched when needing to move, so that the detector can be conveniently moved and mounted; the specific working mode is as follows: the first motor is started to drive the driving gear 408 at the shaft end of the first motor to operate, the driving gear 408 is meshed with the transmission gear 406 for transmission, so that the first screw 402 operates, the first screw 402 drives the first screw sleeve 407 on the first screw 402 to move, the first screw sleeve 407 drives the wheel frame 403 to swing downwards through the first connecting rod 404, the extension of the walking support 4 is completed, and when equipment moves to an installation point through the walking support 4, the movable support is contracted through the driving mode.

In this embodiment, the rotary camera structure is a rotary structure, and the rotary structure is utilized to adjust the tilt angle of the detection camera, so as to increase the detectable space area and reduce the detection blind area. When the rotary type camera structure operates, the second motor drives the second bevel gear 15 to operate, the second bevel gear 15 is meshed with the first bevel gear 14, so that the outer tube of the adjusting tube 7 operates, the outer tube and the inner tube are in threaded fit, the inner tube slides along the inner wall of the outer tube, and the inner tube deflects the camera mounting plate 12 through the matching of the support arm 9, the first hinged seat 10, the second hinged seat 11 and the like, so that the inclination angle is adjusted.

Example 3: referring to fig. 5, in the present embodiment, a camera assembly is mounted on the camera mounting plate 12, the camera assembly includes a housing frame 121 and a camera body 122 mounted at an end of the housing frame 121, and a protective cover unit is mounted on the housing frame 121; the protective cover unit comprises two protective cover bodies 123 and a third driving assembly, the two protective cover bodies 123 are both arc-shaped and are arranged on the upper side and the lower side of the third driving assembly, the end parts of the two protective cover bodies 123 can extend out of the shell frame 121, and a rack 124 is arranged at one side end of each of the two protective cover bodies 123 opposite to each other; the third drive assembly includes a third motor and a first gear 125 coupled to an axial end of the third motor.

In this embodiment, the protection casing that sets up on the rotary type camera structure can play effects such as rain-proof sunshade, avoids its inboard camera high temperature and meets with the rainwater short circuit. The protective cover 123 is driven by a third motor, that is, the third motor drives the first gear 125 to rotate, so that the first gear 125 is engaged with the rack 124, and the protective cover 123 is extended and retracted.

It is worth noting that: whole detector is connected with power and total control button, and it realizes controlling it through total control button, because the equipment that control button matches is equipment commonly used, belongs to current mature technology, no longer gives unnecessary details its electric connection relation and concrete circuit structure here.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.