19results about How to "Improve detection coverage" patented technology

This invention discloses a battery cover welding quality inspection device and method, including a tracked conveyor. Positioning devices are respectively installed on both sides of the tracked conveyor, and a first linear drive device is installed on the top of the tracked conveyor. A suction cup is connected to the bottom output shaft of the first linear drive device. A displacement platform is installed below the track of the tracked conveyor, and both positioning devices are fixed to the top of the displacement platform. Compared with the prior art, this invention, by setting up a displacement platform, allows the battery to move synchronously to the right along with the track during the inspection process. After inspection, the battery is completely removed from the inspection station, and the battery to be inspected on the left can directly enter the inspection without waiting for the inspection station to be emptied, effectively reducing process waiting time and improving the inspection efficiency of battery cover welding quality.

The invention relates to a multi-mode intelligent data acquisition system and method for automobile interior odor monitoring. The multi-mode intelligent data acquisition system comprises a terminal shell; the multi-mode sensor array module is integrated in the terminal shell or externally connected through a standard interface and used for synchronously collecting various types of parameters, and an array comprises an environmental parameter sensor, a gas concentration sensor, a selectable visual auxiliary sensor and a technological process sensor interface; the core processing and edge intelligent module comprises a main controller and an edge intelligent unit which are arranged in the terminal shell; the hybrid communication module comprises a wired communication unit and a wireless communication unit which are arranged in the terminal shell; and a power management module. According to the odor consistency monitoring system, data acquisition is completed, real-time and efficient preliminary diagnosis of abnormities is realized through a built-in special algorithm, a hierarchical and collaborative intelligent monitoring network is formed with a cloud system, and the performance and efficiency of the whole odor consistency monitoring system are remarkably improved.

The utility model relates to portal safety detection technical field discloses the safety detection device of radioactive radiation contamination portal, including bottom plate and top plate, the bottom fixedly connected with rotating mechanism of top plate, the bottom fixedly connected with camera of rotating mechanism, the top fixedly connected with telescopic mechanism of top plate, rotating mechanism includes motor, the top fixedly connected in bottom plate of motor, the drive end fixedly connected with drive shaft of motor, the outside fixedly connected with fixed block of drive shaft, the inside rotatory connection has rotating shaft no. One of fixed block. In the utility model, through starting motor structure drive fixed block and rotating shaft no. One structure work, rotate to gear and gear three, rotate through gear two and gear four, realize camera rotating function, compared with prior art, played the effect of expanding detection coverage, the effect that the radiation positioning accuracy is promoted.

The embodiment of the application discloses a mountain road trap active detection method and system based on sound wave reflection, the method comprises the following steps: collecting the echo signal of the multi-path propagation of the multi-band detection sound wave in the to-be-detected mountain road area through a microphone array, and scoring the propagation path according to a path credibility scoring mechanism; if it is determined that the trigger condition is met, it is determined that the to-be-detected mountain road area has a trap, and a risk early warning is carried out; if it is determined that the trigger condition is not met, the second feature data and the first feature data are input into a pre-trained machine learning model, and the trap category of the to-be-detected mountain road area is determined according to the machine learning model. The system has a second-level response capability, greatly improves the safety, realizes full-process automation, reduces manual intervention, and greatly improves the mountain road inspection efficiency.

This invention provides a six-legged octopus robot device for underwater operations, relating to the field of underwater robot technology. The device comprises a main body, main tentacles, secondary tentacles, and a 360° rotating gimbal. The main tentacles integrate highly elastic TPU flexible tentacles and a miniature camera, while the secondary tentacles have built-in friction wheels for current-resistant anchoring. All components are detachably connected via standardized interfaces, making it suitable for efficient inspection and modular maintenance in complex underwater terrain. It solves the problems of traditional rigid robotic arms, such as difficulty in fitting into confined spaces, poor current-resistant stability, and high maintenance costs.

This invention discloses a laser drilling depth monitoring device, method, control terminal, and storage medium. The device includes a measurement source, a collimator, a galvanometer, and a field lens. The collimator collimates the measurement laser emitted by the measurement source before directing it into the galvanometer. The galvanometer coaxializes the measurement laser and the processing laser before focusing them into the processed sample through the field lens. The measurement source receives reflected laser light from the processed sample to calculate the drilling depth of the processed laser within the sample. This allows measurement to be performed during the drilling process, reducing detection time and increasing detection coverage.

The utility model provides a charge detection optimized and improved ash bucket anti-blocking heat-tracing-free system, which comprises an ash bucket, a special nano ceramic material coating coated on the inner wall of the ash bucket, a fluidization air pipeline arranged at a position close to the bottom of the ash bucket, an anti-blocking device arranged at an inlet of the fluidization air pipeline, and a charge quantity detection sensor group arranged on the inner wall of the ash bucket, the charge quantity detection sensor group is electrically connected with the distributed control system, and the outer wall of the ash bucket is provided with a blockage clearing device. The system provided by the utility model eliminates detection dead angles, the sensors collect data in real time through the distributed control system, output of the anti-blocking device is dynamically adjusted, the dust dispersing effect is improved, and the system has the advantages of being comprehensive in detection, accurate in control, low in energy consumption, long in service life and the like.

The invention discloses a variable magnetic adsorption suspended steel beam defect detection robot, and belongs to the technical field of wall-climbing robots, the variable magnetic adsorption suspended steel beam defect detection robot comprises a main body frame, a variable magnetic adsorption device, a detection device and a controller, and the main body frame is provided with a walking device; the variable magnetic adsorption device comprises a supporting device, a plurality of electric telescopic rods and a permanent magnet array plate, the supporting device is movably mounted at the bottom end of the main frame, the plurality of electric telescopic rods are mounted at the bottom end of the supporting device, and the permanent magnet array plate is mounted at the output ends of the plurality of electric telescopic rods; the detection device is mounted at the top end of the main body frame; and the controller is mounted on the main body frame and is electrically connected with the electric telescopic rod, the detection device and the walking device. The air gap between the permanent magnet and the surface of the steel beam can be dynamically adjusted according to different thicknesses of the steel beam and the crawling requirements of the steel beam on different surfaces such as the top wall, the side wall and the bottom wall, so that the required adsorption force is accurately matched; not only is the adsorption reliability ensured, but also extra friction and energy waste caused by too large adsorption force are avoided.

The invention provides a dual-optical-path fire smoke detection smoke chamber optimization system and method, and relates to the technical field of fire detection. The method specifically comprises the following steps: synchronously acquiring light intensity signals of a main light path and an auxiliary light path, calculating an instantaneous ratio and a change rate of the main light path, and inputting into a weight analyzer to obtain a weight coefficient so as to generate a comprehensive light intensity signal; and extracting time sequence features based on the second time window, and outputting a fire probability and a confidence coefficient in combination with a pre-trained fire analysis model so as to optimize an alarm threshold value of the dual-optical-path fire smoke detection system. According to the invention, the fusion weight of the dual-optical-path signal can be dynamically adjusted, a virtual adjustable scattering angle is designed at the algorithm level, and the fire alarm fixed threshold is dynamically adjusted by comprehensively analyzing the fire probability and the detection confidence coefficient, so that the detection sensitivity of the system to different smog and the anti-interference capability in a complex environment are improved, and the system has high practicability. And meanwhile, the false alarm probability is effectively reduced.

This invention belongs to the fields of cultural relic protection and computer vision technology. Addressing the problems of low efficiency, poor accuracy, and lack of spatial positioning in traditional methods for detecting defects in ancient city walls, this invention discloses an intelligent detection method and system for surface defects of ancient city walls based on 3D reconstruction. The method includes: processing the texture information of a loaded 3D reconstructed model of the ancient city wall using a multi-strategy texture restoration method; analyzing the model's geometric structure to determine the wall's orientation and dimensional parameters; generating virtual camera positions based on geometric features and a meshed serpentine scanning strategy; rendering RGB and depth images at each virtual camera position; performing defect detection using a YOLO model; mapping the 2D detection results to 3D space to generate 3D defect marker color blocks; and fusing multi-viewpoint results to output the detection results of surface defects on the ancient city wall. This invention achieves efficient, accurate, and automated detection of defects in ancient city walls, providing effective technical support for cultural relic protection.

This invention belongs to the technical field of rotor testing equipment, and specifically relates to a motor rotor defect detection device, comprising an L-shaped base, an L-shaped top plate fixedly connected to the upper surface of the horizontal portion of the L-shaped base, a through hole in the horizontal portion of the L-shaped top plate, and a first electric push rod fixedly connected to the wall of the through hole. A semi-circular dome cover is fixedly connected to the moving end of the first electric push rod. The detection device of this invention has the functions of keyway smoothness detection and rotor cooling fan airflow detection. It simultaneously completes two easily overlooked items in conventional testing—keyway fit quality and fan cooling performance—during the rotor assembly stage, enabling multi-dimensional defect screening. This effectively improves the comprehensiveness and efficiency of rotor defect detection, reduces rework workload in subsequent assembly processes, reduces the labor intensity of workers, ensures stable production rhythm, and significantly improves the pass rate and efficiency of subsequent motor assembly.

This invention discloses a method for detecting and handling faults in redundant wheel speed signals, specifically relating to methods for detecting and handling faults in aircraft anti-skid brakes. It addresses the problem of insufficient coverage of wheel speed sensor fault modes in existing aircraft braking systems. In this invention, valid aircraft taxiing speed signals and wheel speed signals are acquired. The difference between each wheel speed signal and the aircraft taxiing speed signal is calculated, and the aircraft taxiing speed signal is divided into speed signal intervals. Within each speed signal interval, the presence of a fault in the corresponding wheel is determined based on the difference between the wheel speed signal and the aircraft taxiing speed signal. By collecting redundant wheel speed signals from the aircraft braking system using wheel speed sensors and incorporating the aircraft taxiing speed signal, the status of redundant wheel speed signals can be comprehensively assessed, further improving the testability of the braking system and ensuring its safe operation.

The invention discloses a heat supply network rapid leakage point searching system and method based on multi-index fusion, and relates to the technical field of heat supply network detection, and the system comprises a multi-source detection data collection module, a leakage point intelligent judgment module, a cooperative positioning execution module and a big data optimization module. A multi-index detection system is constructed, a scientific leakage point judgment rule is formulated, multi-dimensional physical quantities such as acoustic signals, thermal imaging characteristics, ground deformation and water quality parameters are comprehensively considered, the limitation of a single detection means under complex working conditions is overcome, the accuracy of leakage point positioning is improved, the problems of misjudgment and leakage detection caused by environmental interference are avoided, and the detection efficiency is improved. Reliable technical support is provided for maintenance of a heat supply pipe network; the high-altitude thermal imaging unmanned aerial vehicle and the ground detection equipment are cooperatively dispatched by adopting a hierarchical positioning mechanism, a suspected area is quickly scanned and locked through the unmanned aerial vehicle, and then fine verification is performed by utilizing the handheld equipment, so that quick response and timely repair of a heat supply network leakage point are realized, and the heat energy loss is reduced.

The utility model provides a flatness detection device of automobile brake disc processing relates to brake disc processing technical field, including bottom plate, still include: flatness detection subassembly, flatness detection subassembly includes the support seat of connection on bottom plate, the top of support seat is equipped with electric push rod, in the utility model, cylinder drive moving block drives mounting bracket to move, makes the clamping plate close and clamps the brake disc, servo motor can drive brake disc rotation to adjust detection surface, subsequently, electric push rod elongation, drives the shell and bottom structure to move down, makes detection wheel contact brake disc surface, transmission motor drives the rotation of carousel, drives detection wheel to roll on brake disc surface, when brake disc surface is uneven, detection wheel will be up and down micro motion, the sensor on connecting plate captures this change, will signal into electric signal, thereby completes to brake disc flatness's detection, has realized brake disc quick positioning, automatic detection flatness, has promoted detection efficiency and precision.

The invention provides a novel seed embryo biological stack for capturing high-energy heavy ions in multiple directions in space, and relates to the technical field of space passive individual horizontal radiation detection.The novel seed embryo biological stack comprises seed fixing units capable of being combined in any number and detection pieces in the first direction, the second direction and the third direction, and each seed fixing unit comprises a supporting stand column; the supporting stand columns and the middle cross-shaped stand columns are perpendicularly fixed to the four corners and the center of the hollowed-out Chinese character'tian 'respectively to form an integrated structure, and the first direction detection piece and the second direction detection piece are installed in four installation spaces formed between the hollowed-out Chinese character'tian'-shaped base and the supporting stand columns. And the third direction detection sheet is mounted above the seed fixing unit in a covering manner. According to the invention, detection of all heavy ions in three vertical dimensions of X, Y and Z in space and six incident directions is realized, and a comprehensive radiation accumulation condition of a tested material can be provided.

This invention discloses a semi-quantitative RT-LAMP method and kit for viral nucleic acid detection based on dispensed lyophilized microspheres and a multi-channel microfluidic chip. The method includes: designing two independent LAMP primer sets (P1 and P2) for each of the SARS-CoV-2 Omicron strain N gene, Zika virus NS5 gene, H1N1 influenza virus M1 gene, and H3N2 influenza virus NP gene; preparing two independent types of lyophilized microspheres by independently mixing RT-LAMP premix containing Bst DNA polymerase and other components with LAMP primer mixture and a lyophilization protectant; and using an N-channel microfluidic chip to perform serial dilutions and parallel RT-LAMP amplification of the same sample, determining the concentration of viral nucleic acid in the sample by the positive / negative inflection points of each channel. This invention is simple to operate, requires no equipment such as a real-time PCR instrument, and is suitable for rapid virus detection in various scenarios.

The invention relates to the technical field of marine cage culture equipment, and discloses a yellow fin tuna cage culture state monitoring device, which comprises a main body and a waterproof camera, and further comprises a maintaining mechanism, the maintaining mechanism is arranged at the bottom of the main body, and the maintaining mechanism can form certain adsorption force on the water surface through operation. According to the invention, due to adsorption force formed between the bottom of the control panel and the sea surface, a connecting column in the control panel is driven by the control panel to rotate to a certain extent, so that a waterproof camera at the bottom of a collecting barrel is kept in a state of being perpendicular to the sea surface, and when a main body is jacked up by sea waves and fluctuates up and down, the control panel firstly shakes up and down along with the main body; at the moment, the top of the control panel can be blocked by seawater to generate resistance, the control panel can move downwards relative to the position of the main body under the influence of the resistance, displacement and shaking of the waterproof camera generated when the main body is influenced by waves are reduced through the arrangement of the control panel, and therefore the stability during cage culture state monitoring is improved.

The invention relates to a refrigerator and a food material occupation amount determining method thereof. The refrigerator comprises a refrigerator body which is provided with at least one chamber; the compartment comprises at least one storage compartment; at least one image acquirer configured to acquire compartment images of the corresponding storage compartments; the at least one controller is connected with each image collector and is configured to obtain the compartment image of each storage compartment; for each compartment image, performing scale scaling processing on the compartment image to obtain reference compartment images under different scales; determining a target detection frame of each food material target in the compartment images according to the reference compartment images under different scales; and for each storage compartment, determining the food material occupation amount of the storage compartment according to the area proportion of the target detection frame in the compartment image corresponding to the storage compartment in the corresponding compartment image. The method can reduce the determination cost of the food material occupation amount.