16 results about "Explosive detection" patented technology

The present disclosure provides an explosive detection device and an explosive detection method based on the detection device. The explosive detection device comprises a sampling member provided with a plurality of sampling portions, each of which is configured to accommodate a sample for sampling the same kind of article; and one or more liquid storage portions storing a color developing agent and configured to release the color developing agent to the sample of a part of the sampling portions, so that all the samples are divided into color developed samples and original color samples; a detection assembly comprising a detection container, the detection container defining cavities accommodating the sampling member, each of the cavities being divided into a first detection chamber suitable for accommodating a sampling portion carrying a color developed sample and a second detection chamber suitable for accommodating a sampling portion carrying an original color sample; a first detection portion and a second detection portion for extracting feature information of at least a part of substances in the samples, respectively; and an output assembly configured to output information of whether and which organic explosive and / or inorganic explosive the article has.

The invention belongs to the technical field of explosive detection, and particularly relates to a shallow-buried explosive detection method and system based on multi-modal fusion, and the system comprises a magnetic signal obtaining unit, a sound signal obtaining unit, a processing unit and an output unit. And multi-modal signal synchronous acquisition, feature extraction and fusion discrimination are realized under a unified time frame, so that the recognition stability of shallow-buried explosives under complex environmental conditions is improved.

The application discloses an autonomous explosive disposal detection system and control method based on an edge full-stack cluster, aiming to solve the computing power bottleneck of the explosive disposal robot in a weak network environment and the reliability problem of grabbing in a complex scene. The system is composed of a four-legged mobile chassis and an execution mechanical arm carrying an airborne edge computing node, and the computing node integrates video processing, Web business hub and comprehensive control layer. The method constructs a full life cycle tactical closed loop: precise searching is realized through spatial tactical calibration, target tracing and macroscopic approach; a dual-mode fault-tolerant architecture based on confidence is innovatively proposed, autonomous grabbing confidence is calculated in real time after tactical anchoring, visual servo grabbing is performed when the confidence is high, the process is automatically suspended and seamlessly switched to a low-delay master-slave synchronous remote control mode when the confidence is low, and finally the safe transfer of explosives is completed. The application greatly improves the operation survival rate and safety of special robots in a broken network and unstructured environment.

The invention discloses an explosive detection processing device based on a laser radar, and relates to the technical field of explosive detection. The device comprises a detection processing system, a laser radar detection mechanism, an image acquisition mechanism, a metal detection mechanism, an X-ray detection mechanism, an explosive detection mechanism and an explosive processing mechanism. The detection processing system comprises a server, an image display unit and an alarm module; the laser radar detection mechanism is used for performing imaging judgment on the shape and the size of an article; the metal detection mechanism is used for detecting whether the article contains metal; the X-ray detection mechanism is used for imaging the interior of the article; the explosive detection mechanism comprises a Raman spectrum acquisition unit and a trace detection unit. The appearance and size of the laser radar are judged, whether most of objects are explosives or not can be eliminated by combining image recognition, metal detection and X-ray detection, and the problem that in the prior art, micro trace detection, Raman spectrum detection and other detection methods cannot be effectively applied to equipment is solved.

The invention relates to the technical field of explosive detection, and discloses a carbon nanodot fluorescent waveguide and a preparation method and application thereof. The method comprises the following steps: (1) activating the waveguide; (2) treating the waveguide obtained in the step (1) with amino silane to obtain an amino-modified waveguide; (3) treating the amino-modified waveguide with acyl chloride to obtain an acyl chloride-modified waveguide; and (4) carrying out pretreatment on carbon nanodots, and loading the pretreated carbon nanodots onto the acyl chloride modified waveguide to obtain the carbon nanodot fluorescent waveguide. According to the carbon nanodot fluorescent waveguide prepared by the method disclosed by the invention, the carbon nanodots can be stably attached to the waveguide, and accurate detection of nitro explosives is realized.

Scent sample for conditioning and training self-laboratory preparations (HME) such as TATP and HMTD for explosive detection dogs (SSH)

The utility model provides an explosion searching helmet, and belongs to the technical field of protective equipment. The explosion searching helmet comprises a helmet body, a fixing structure and a camera, wherein a mask is rotationally connected to the helmet body; the fixing structure comprises a fixing block and a spring buckle, the fixing block is fixedly connected to the upper side edge of the mask, and an inserting groove is formed in the fixing block; the spring buckle comprises an inserting part, a connecting part and a mounting part which are connected in sequence, the inserting part and the mounting part are oppositely arranged, the inserting part is inserted into the inserting groove, and the mounting part is located above the fixing block; and the camera is mounted on the mounting part. According to the explosion searching helmet, the inserting groove is formed in the fixing block, the inserting part of the spring buckle is inserted into the inserting groove, assembling and fixing of the spring buckle and the fixing block are achieved, when the explosion searching helmet is used, the camera is always located right in front of the helmet body, the right in front of an explosion searching person is shot, and the influence of adjustment of the illumination angle of the illumination lamp on the camera is avoided; and normal shooting of an explosion searching site is ensured.

The application belongs to the technical field of explosive detection, and particularly relates to a shallow-buried explosive detection method and system based on multi-modal fusion, comprising a magnetic signal acquisition unit, an acoustic signal acquisition unit, a processing unit and an output unit. The method and system have the advantages that by combining magnetic anomaly detection and acoustic wave excitation response analysis, the method and system realize multi-modal signal synchronous acquisition, feature extraction and fusion discrimination under a unified time framework, so as to improve the recognition stability of shallow-buried explosives under complex environmental conditions.

The utility model provides a kind of search explosive suit, belong to protective equipment technical field.The present search explosive suit includes helmet, coat and trousers;Coat includes vest and two sleeves, and two sleeves are detachably connected to the left and right sides of vest;Vest includes front back and rear back, and the inside surface of front back is provided with first magic tape nap surface, and the outside surface of rear back is provided with first magic tape hook surface corresponding to first magic tape nap surface, and first magic tape nap surface of front back is adhered to first magic tape hook surface of rear back to form vest, and the outside surface of front back is provided with handle for pulling;Trousers include two legs, and both legs are provided with shoulder strap, and the outside of both legs is provided with opening, and quick-release zipper is arranged at opening.By pulling handle, coat is quickly taken off, and by pulling quick-release zipper, trousers are taken off, that is, search explosive suit is completely taken off, and the time of taking off search explosive suit is reduced, and the rescue time of search explosive personnel is avoided in emergency.

1. The name of the design product: strike type four-legged machine wolf (B type). 2. The use of the design product: for environmental patrol investigation, police explosive detection, medical and epidemic prevention escort, scientific research and education, disaster rescue and armed attack, etc. Special operation tasks. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

The application relates to the technical field of ion migration, and discloses an ion migration device, a trace explosive detection equipment and an X-ray security inspection machine, which are used to solve the problem that the migration tube in the prior art has poor focusing performance on ions entering a migration zone channel to a central area. The ion migration device comprises a base, an inner electrode and an outer electrode. The inner electrode is embedded in the base, and the part of the inner electrode exposed from the base is in a semispherical structure. The outer electrode is arranged at the outer periphery of the base, and the outer electrode has a cavity for accommodating the semispherical structure of the inner electrode. The gap between the inner wall of the cavity and the inner electrode forms an ion migration channel in a semicircular crown shape. The outer electrode is provided with an air inlet and an air outlet. An air inlet channel is arranged between the air inlet and the ion migration channel, and an air outlet channel is arranged between the air outlet and the ion migration channel.

The present application relates to the technical field of explosive information comparison, and specifically discloses a three-dimensional comparison and analysis method for explosive information, which comprises the following steps: S1. conveying package detection, S2. conveying package analysis, S3. conveying package hazard judgment, S4. dangerous article processing, S5. dangerous article associated personnel analysis, and S6. associated personnel related information processing. The present application remedies the defect that the existing technology does not pay high attention to the apparent material quality of the internal articles of a package, thereby improving the accuracy of airport explosive detection to a certain extent and reducing the incidence of aircraft accidents. The present application automatically pushes dangerous articles into an explosion-proof area, thereby improving the relevant income of the airport, overcoming the defect of the subjective initiative of the staff, and reducing the harm to the life safety of the staff. The present application remedies the defect that the existing technology requires the staff to trace through monitoring, thereby reducing the waste of resources when the relevant personnel are investigated.

This invention relates to the field of explosives detection technology, specifically disclosing a testing device and method for an electronic detonator module, comprising: an STM32 microcontroller, a DAC module, an OPA2196 non-inverting amplifier, an energy storage capacitor, an NMOS discharge switch, a constant current source module, and a voltage sampling module; the I2C pins of the STM32 microcontroller are connected to the DAC module and the voltage sampling module respectively, realizing digital signal output and sampled data feedback; the GPIO pins are connected to the NMOS discharge switch and the PMOS charging switch, outputting high and low levels to realize charging and discharging control; the general-purpose I / O port is connected to the enable terminal of the constant current source module to control the opening / closing of the constant current source; the DAC and non-inverting amplifier achieve continuously adjustable accuracy at the 0.01V level; the capacitor discharge realistically simulates the pulse energy of the detonator tip; the single device has dual functions, is safe, efficient, and repeatable in operation; and can also realize circuit protection.

The invention provides a non-explosive substance data set generation method and a deep learning model, and aims to improve the precision and efficiency of non-explosive substance (UXO) detection. According to the method, a virtual non-explosive object model is established and placed in a simulated underground environment to generate magnetic anomaly data, feature labeling is carried out on the data, and a data set is formed in combination with real non-explosive object data. The dataset is published on a shared platform, such as Kaggle and UCI machine learning libraries, to facilitate research and application. In addition, the invention further provides a deep learning model trained based on the data set, and the accuracy of the model is improved through combination of simulation and actual data. The innovation point of the method and the model is that the authenticity and the diversity of a data set are improved, and a more accurate detection algorithm can be trained.

The present disclosure discloses a high-efficiency sampling method for a full-automatic trace explosive detection system, and belongs to the technical field of security inspection equipment. The sampling device for trace explosive detection comprises a sampling roller blind and a power component connected with a first end of the sampling roller blind, wherein the power component can rotate to adjust the length of the sampling roller blind in the sampling area; when the sampling roller blind has a first length, the second end of the sampling roller blind is in contact with and rubs against the object to be detected to collect the detection sample on the object to be detected; when the sampling roller blind has a second length, the second end of the sampling roller blind with the detection sample enters the detection system. The sampling device for trace explosive detection disclosed by the present disclosure can automatically sample.

Production of acetone peroxide (TATP) with permission according to § 7 SprengG for the conditioning and training of explosive detection dogs (SSH) characterized by the fact that the TATP is synthesized, filtered and portioned in different quantities on site, in the respective training facility.