151results about How to "Improve detection reliability" patented technology

The application discloses a kind of cable defect detection device and method based on phase shift coupling frequency domain reflection, belong to power cable detection technical field, including general control module, signal generator, phase shifter, first coupler, second coupler, first signal comparator and second signal comparator;Signal generator generates original sweep signal;Phase shifter is used to carry out phase shift processing to original sweep signal;First coupler is used to receive test signal, and it is input to be measured cable and separate out reflected signal, after test signal is output to first signal comparator, reflected signal is output to first signal comparator and second signal comparator;Second coupler is used to receive reference signal, and reference signal is input to second signal comparator.The application uses above-mentioned one kind of cable defect detection device and method based on phase shift coupling frequency domain reflection, by introducing phase shifter to construct two-way comparison architecture, effectively overcome phase ambiguity, improve detection precision and reliability.

The invention relates to the field of flush toilets, in particular to an intelligent closestool with a urine sample detection function. Comprising a closestool body, a penetrating hole is formed in the front end in the closestool body, and a conical plate is rotationally arranged at the lower end of the penetrating hole through a motor and can open the penetrating hole to allow midstream urine to penetrate through when rotating; an expansion plate for preventing urine from escaping is arranged at the lower end of the cone plate, a pressure sensor is arranged at the upper end of the cone plate, and an infrared sensor is arranged above the through hole; a urine guide mechanism is arranged on the side, away from the through hole, of the expansion plate and comprises a drainage arc plate fixedly connected with the closestool body, one end of the drainage arc plate is in movable sealing connection with the expansion plate, and a sampling pipe with two through ends is arranged below the other end of the drainage arc plate; the sampling pipe is coaxially provided with a sampling mechanism, the sampling mechanism comprises a plug which is in dynamic sealing connection with the inner wall of the sampling pipe, and the plug is coaxially provided with a probe for analyzing urine. The device can accurately collect midstream urine samples, realizes household automatic urine detection, is high in detection precision, and can effectively avoid sample pollution.

The utility model relates to the technical field of pipe detection, in particular to an enhanced design of detection precision of a detection device. The utility model discloses a steel pipe surface defect detection device which can keep high-precision dynamic stability in the detection process, provide a clean detection environment and optimize the imaging precision of the steel pipe surface defect detection device. The detection device comprises a shell, an imaging assembly arranged in the shell and a clamping assembly used for clamping a steel pipe, and the shell is provided with a dustproof ring used for allowing the steel pipe to pass through. The clamping assembly comprises a downward pressing device moving in the vertical direction and a supporting roller arranged on a downward pressing path of the downward pressing device, and the supporting roller is used for supporting the bottom of the steel pipe and guiding the steel pipe to enter the shell through rolling movement.

The application belongs to the field of coating detection, and specifically discloses a detection equipment for coating production, which comprises a sampling mechanism, wherein the sampling mechanism is connected with a base, a stirring tank is installed at the upper end of the base, the stirring tank is communicated with the sampling mechanism, the sampling mechanism comprises a stepping motor, the stepping motor is connected with a glass frame, a spectrometer is installed at one end of the glass frame, the output end of the stepping motor is in transmission connection with a lead screw, the lead screw is in threaded connection with a sliding rod, the sliding rod is in sliding connection with the glass frame at both ends, the sliding rod is connected with three sample cups which are arranged at equal intervals at the top of the sliding rod, and the sliding rod is in contact with a quantitative control mechanism. The stepping motor is used for driving the sliding rod to translate and trigger the quantitative control mechanism, the multi-angle test pieces arranged in an interlaced mode are combined with the spectrometer, the full-process automatic detection from layered sampling, sedimentation observation to coating optical performance analysis is realized, and the problems of sample cross contamination and low detection efficiency in the prior art are solved.

The utility model relates to a pressing wheel device of a cylinder sleeve piston surface crack detector, and relates to the field of cylinder sleeve piston surface crack detection equipment, the pressing wheel device comprises a mounting bracket, a limiting cylinder, a connecting rod mechanism and a limiting rod, the mounting bracket is mounted on the detector, the limiting cylinder is mounted on the mounting bracket, and the connecting rod mechanism is mounted on the limiting cylinder. The limiting rod is installed on the limiting air cylinder through a connecting rod mechanism. According to the invention, the pinch roller device not only can meet stable contact, but also can ensure the effect of uniform scanning.

This invention belongs to the field of conveying equipment technology, specifically disclosing a conveying device and method for egg supply, including a conveyor belt machine, a chamber, and a blower. The conveyor belt machine's external belt consists of three sets of circular tracks that wrap around the conveyor belt machine. The circular tracks have notches spaced evenly along their circular paths. The chamber is fixedly installed above the conveyor belt machine and near its center. A ventilation component is installed above the chamber. A U-shaped frame is fixedly mounted above the conveyor belt machine and below the ventilation component. A crack visual detection marking component is installed above the U-shaped frame and corresponding to each circular track. This invention integrates wiping, flipping, drying, visual detection, and marking functions, enabling online identification and marking of cracked eggs produced after cleaning. This effectively prevents cracked eggs from being mixed with qualified products, significantly improving the overall quality and automation level of egg supply.

The utility model provides a bench vice auxiliary device for machining an aluminum alloy flat performance sample, and relates to the field of aluminum alloy machining equipment. The clamping device comprises a clamping assembly and a cushion block. The clamping assembly comprises two clamping blocks which are symmetrically arranged and cushion covers, the cushion covers are arranged on the lower surfaces of the clamping blocks, and elastic pieces are arranged in the cushion covers; the two cushion covers are arranged at the two ends of the cushion block in a sleeving mode respectively, and the elastic piece abuts against the cushion block. A clamping area is defined by the two clamping blocks and the cushion block; according to the utility model, the clamping assembly is matched with the cushion block, so that the width of the cushion block can be automatically adjusted along with the thickness of a laminated sample, and the built-in elastic piece can be quickly reset after the chuck is loosened, so that the clamping consistency is guaranteed; the cushion blocks are the same smooth and flat whole, so that traditional cushion block splicing and auxiliary sample manufacturing are avoided, the clamping error is eliminated, the sample machining precision and detection reliability are improved, the operation process is simplified, and the test efficiency and quality of the aluminum alloy flat sample are remarkably improved.

The integrated microfluidic detection chip comprises a liquid conveying channel, the upper end and the lower end of the liquid conveying channel are each provided with an inlet, the center position of the side end of the liquid conveying channel is communicated with a mixing channel, the other end of the mixing channel is communicated with a flow velocity difference channel, and the flow velocity difference channel is communicated with a flow velocity sensor. An electrode detection disc is arranged on the side face of the flow velocity difference channel in a communicating mode, and a circular barrier is fixedly arranged in the electrode detection disc. Compared with a traditional detection chip, the integrated microfluidic detection chip based on dual-channel flow velocity difference vortex enhancement has the following remarkable advantages: a breakthrough in mass transfer limit is achieved: through multiple physical coupling of dual-channel flow velocity difference, incident angle optimization and a circular barrier, substance transmission is converted from single molecule diffusion to active vortex driving; the bottleneck that mass transfer of a microfluidic system is limited is solved, and in-situ dynamic refreshing of a detection interface is realized by an automatically generated discrete sample injection mode.

The utility model provides an automatic ore granularity on -line detection and grading equipment. Including casing, support subassembly, push plate subassembly and industry camera, support subassembly includes upper support board, and upper support board is set in the casing, and push plate subassembly includes push plate and floating rod, and push plate is installed on the floating rod, and the floating rod is installed on the support subassembly through the floating assembly, and the interval between the lower edge of push plate and the upper end surface of upper support board changes in gradient, and the inner top of casing is equipped with industry camera. The floating rod drives the push plate to rotate, and the interval between the lower edge of push plate and the upper end surface of upper support board changes in gradient in the process of rotation, and the gathered ore is scattered, and the uniform dispersion of particles is ensured, and the uneven distribution of particles is solved. Secondly, the industrial camera directly shoots the dispersed particles, captures the distribution state of coarse and fine particles, avoids the problem that fine particles are covered or coarse particles are distorted, makes the granularity data closer to the true value, and improves the detection accuracy and reliability.

The utility model relates to a respiratory protection mask provided with a sealing self-checking device, and belongs to the technical field of respiratory protection sealing detection of protection masks. The sealing self-checking device is composed of a mask body, an elastic key, an inspiration valve seat channel, an inspiration valve, a filtering element connector, an air channel and a locking ring, the elastic key made of silica gel or rubber materials is adopted to press and block an air inlet channel, and due to the fact that the elastic key is soft, the plane contact sealing effect of the elastic key and the inspiration valve seat channel is good after the elastic key is pressed; after pressing, the fingers are released to restore the original shape, and the operation is convenient; the device can be suitable for breathing protection masks such as full face masks, half masks, single-filtering-element connectors and double-filtering-element connectors. The defects that in the prior art, detection illusion is easily caused by a self-detection method of blocking an air inlet by hands, and an airtight detection cover plate needs to be closed by driving a hinge to rotate through a pull rod in a manner of adopting the airtight detection cover plate, operation is inconvenient, a user feels oppressed when closing the airtight detection cover plate, and the airtight detection cover plate needs to be pressed down again to return are overcome.

The application provides a power cable damage detection device, which comprises a conveying mechanism, a twisting mechanism, a camera mechanism and a driving mechanism; the conveying mechanism comprises a rack, a chain plate and a chain wheel; the twisting mechanism comprises a clamping assembly and a control assembly; a plurality of clamping assemblies are installed on the chain plate, the control assembly controls three or more clamping assemblies to clamp the cable, and controls the clamping assembly in the middle to rotate after clamping, so as to clamp the two ends of the cable to be detected and reset after twisting the middle part; the camera mechanism collects images on the twisted cable; after the camera mechanism completes the collection, the control assembly controls the clamping assembly to separate from the cable; and the driving mechanism drives the cable to move linearly. The twisting action actively amplifies the damage position on the cable through physical deformation, converts the subtle defects that can be recognized only by high-precision equipment into obvious features that are easy to capture by the camera mechanism, reduces the precision requirement of the image recognition system, and greatly improves the sensitivity of the damage detection.

The food freshness detection device specifically comprises a main body, and a sampling assembly, a detection assembly and an air exhaust assembly which are sequentially arranged on the main body, the sampling assembly comprises a shell, a temperature adjusting part and a triggering part, the shell is arranged on the main body, and a sampling cavity is concavely formed in the end, close to food, of the shell; the temperature adjusting part is arranged on the sampling cavity; the detection assembly comprises a detection cavity and a detector, the detection cavity is communicated with the sampling cavity, a gas outlet is formed in the side, away from the sampling cavity, of the detection cavity, and the gas extraction assembly is used for sucking gas in the sampling cavity into the detection cavity and discharging the gas from the gas outlet; the detector is arranged in the detection cavity and is used for detecting the concentration of ammonia gas in the detection cavity. By adjusting the food temperature, triggering air exhaust detection at a proper temperature and timely discharging residual gas, the interference of low temperature and gas residue on ammonia gas detection is effectively avoided, and the accuracy, stability and reliability of food freshness detection are improved.

The invention discloses an equipment fault detection method and related equipment, relates to the field of fault detection, and realizes a gated processing mechanism of first preliminary screening and then subdivision by synchronously acquiring long-time sequence vibration signals and noise signals of equipment and constructing a two-stage cascaded fault detection architecture. The fault preliminary screening model performs quick fault preliminary screening on all the to-be-detected fragments, and only the fragments judged to be faulty are sent to the fault type subdivision model for specific fault type identification, so that the unnecessary calculation overhead is remarkably reduced, and the system detection efficiency is improved. According to the method, bimodal information is fully utilized, and efficient and stable equipment fault detection is realized while high detection precision is ensured.

The invention provides a pulsed eddy current detection device and detection method based on roller pair adjustment, and relates to the technical field of nondestructive detection. The device comprises a supporting frame, a roller pair, a telescopic driving mechanism, a detection probe, a sliding adjusting mechanism, a distance measuring unit and a control unit. The control unit maintains the constant distance between the detection probe and the surface of the detected rod body based on a feedback signal of the distance measuring unit; based on the distance and the roller state signal, a telescopic driving mechanism is controlled to adjust the posture of the roller pair, so that the axis of the roller pair is aligned with the axis of the measured rod body; and when a preset spacing stability condition and an alignment condition are met, controlling the detection probe to transmit a pulsed eddy current excitation signal to the detected rod body, and receiving and outputting an eddy current response signal for defect identification. The double-shaft lift-off effect is actively inhibited through dynamic closed-loop control, the stability and accuracy of a detection signal are guaranteed, and then the recognition rate and detection reliability of the rod body surface and near-surface defects are remarkably improved.

A laser inertial measurement unit switching power supply leakage current detection method can solve the problems of low precision and narrow detection range of laser inertial measurement unit leakage current detection through hardware circuit structure layout design and FPGA control programming, and realizes high-precision measurement of micro leakage current in a switching power supply. And the leakage current detection range from the microampere level to the milliampere level can be covered, and when the leakage current amplitude crosses three orders of magnitude, the problem of signal clipping distortion can be solved through range switching.

The application provides a unilateral detection system and a vehicle. The unilateral detection system comprises a voltage dividing circuit, an amplification circuit, an isolation circuit, an output circuit and a controller. The voltage dividing circuit divides the voltage of a high-voltage DC bus to obtain a first output voltage. The amplification circuit is connected with the voltage dividing circuit. The isolation circuit is connected with the amplification circuit and the voltage dividing circuit. The output circuit comprises a first operational amplifier and a first resistor. The non-inverting input terminal of the first operational amplifier and one end of the first resistor are connected with the sixth terminal of the isolation circuit. The inverting input terminal of the first operational amplifier is connected with the output terminal of the first operational amplifier. The other end of the first resistor is grounded. The first operational amplifier generates a second output voltage. The controller determines the voltage of the high-voltage DC bus based on the second output voltage. The system can monitor the voltage of the high-voltage DC bus in isolation, so as to discover abnormal conditions of the voltage in time. The system has high safety in use due to the isolation circuit.

The invention discloses a wafer carrier layer height automatic calibration method and a related device, and the method comprises the steps: moving a wafer carrier, and enabling a dual-path cooperative photoelectric sensor to be capable of detecting a metal support ring of a current wafer at the same time; a wafer carrier is moved, the lower boundary position P1 and the upper boundary position P2 of a metal supporting ring of a current wafer are recognized based on a double-path cooperative photoelectric sensor, the wafer carrier is divided into a plurality of layers, and wafers are arranged in all the layers; the middle position Pm of the metal supporting ring is determined based on the lower boundary position P1 and the upper boundary position P2 of the metal supporting ring, and the middle position Pm of the metal supporting ring serves as the calibration position of the height of the wafer carrier layer where the current wafer is located. And the method has the characteristics of small error and high efficiency.

The utility model discloses a boom telescopic length detection device, a boom and a forklift lorry, the boom telescopic length detection device is used for being installed on the boom to detect the telescopic length of the boom, the boom comprises a basic boom and a telescopic boom capable of stretching relative to the basic boom, the boom telescopic length detection device comprises a stay wire sensor, and the stay wire sensor is used for detecting the telescopic length of the boom. The stay wire sensor is fixed on the basic arm, and a stay wire in the stay wire sensor bypasses at least one wire passing wheel and is fixed on the telescopic arm. According to the boom telescopic length detection device, the boom and the forklift loader, the stay wire in the stay wire sensor bypasses the at least one wire passing wheel from the stay wire sensor fixed to the basic boom to be fixed to the telescopic boom, the stay wire sensor can be installed at any position of the basic boom through steering of the wire passing wheel, the installation adaptability is high, and the detection accuracy is high. Therefore, the service life of the detection device can be prolonged, and the detection reliability of the detection device can be improved.

The application provides a valve nozzle detection assembly, relates to the technical field of valve nozzle air leakage detection, and comprises a preliminary detection closed container, a pressure source and a detector. The preliminary detection closed container comprises a preliminary detection mounting plate and a preliminary detection pressure chamber. The preliminary detection mounting plate is uniformly provided with a plurality of preliminary detection mounting holes for mounting valve nozzles, a preliminary detection connecting hole for connecting the pressure source, and a preliminary detection detection hole for mounting the detector. One end of the preliminary detection pressure chamber is sealed, and the other end is provided with a sealing opening for connecting the preliminary detection mounting plate. A sealing element is arranged between the sealing opening and the preliminary detection mounting plate. The pressure source is used for pressurizing the inside of the preliminary detection closed container through the preliminary detection connecting hole. The detector is used for detecting the pressure change in the inside of the preliminary detection closed container through the preliminary detection detection hole. The application can detect a plurality of valve nozzles at a time, improves the detection efficiency, simulates the actual working environment of the valve nozzle, and the detection result is accurate.

The invention belongs to the technical field of infrared imaging system testing, and discloses an MRTD intelligent testing method for an infrared imaging system, and the method comprises the steps: collecting the original four-rod target image data of thermal infrared imagers of the same model at different temperatures under the spatial frequency under the condition that the spatial frequency is not changed; cutting the collected original image data, and only obtaining an important area of a four-bar target image; carrying out expansion processing on the image; annotating the images, and dividing the images into a training set, a test set and a verification set; an MRTD intelligent detection model is constructed; training and accuracy testing are carried out on the MRTD intelligent detection model, label value prediction is carried out on the image data of the verification set, and the temperature difference value corresponding to the predicted label value N is the MRTD value of the thermal infrared imager under the spatial frequency. According to the method, the real-time performance of detection is ensured, and the interference of repetitive work and subjective factors in a traditional test method is reduced.

This invention discloses an integrated inversion method for cloud macro- and micro-parameters in the interdisciplinary field of atmospheric remote sensing and deep learning. The method includes: inputting multimodal input data into a dual-branch encoder to extract visual multi-scale features and meteorological physical background features; progressively injecting meteorological physical background features into the visual multi-scale features to achieve cross-scale fusion and obtain physically guided decoding features; based on the decoding features, generating spatial gating weights by constructing a cloud area auxiliary map, followed by element-wise gating modulation and feature refinement to obtain spatially focused features; inputting the spatially focused features into a multi-task prediction head to obtain the integrated inversion results of four cloud macro- and micro-parameters: cloud mask probability map, cloud top height, cloud optical thickness, and effective radius of cloud particles. This invention can solve the problems of difficulty in effectively fusing high-resolution satellite visual features with low-resolution atmospheric background fields and insufficient physical consistency caused by independent inversion of multiple cloud macro- and micro-parameters.

The application discloses a kind of alpha, beta surface pollution detector light leakage detection method and device, it is related to radiation monitoring sensing technical field, the method of the present application includes: using sensor to collect the light signal in detection chamber, obtain the intensity component of red, green, blue three color channels;The ratio of blue light intensity component and the sum of red, green light intensity component is calculated;According to the ratio and the dynamic threshold parameter of preset light leakage determination;If it is determined that natural light leaks, trigger alarm and shield current detection data.The core of the present application is that the luminescence spectrum of ZnS (Ag) scintillator is concentrated in blue light band, while natural light is full-band continuous spectrum.By analyzing the proportional relationship of RGB color components, the accurate and rapid differentiation between light leakage signal and real nuclear radiation signal is realized.This method effectively solves the technical problem that traditional hardware shielding method cannot identify micro-hole light leakage, and has the advantages of high detection sensitivity, fast response and strong anti-interference ability.

The invention discloses an automatic assembly device for a PTC heater, and belongs to the technical field of assembly processing, the automatic assembly device comprises a conveying assembly for conveying the PTC heater, and further comprises an assembly rack for assembling upper supports at the two ends of the PTC heater; the positioning assembly is used for positioning the PTC heater, and the positioning assembly is installed at the top of the assembling machine frame; the electric inspection assembly is used for inspecting the PTC heater, and the electric inspection assembly is arranged below the positioning assembly; the electric testing assembly is driven to be coupled with the PTC heater during positioning through the positioning assembly; the electrical inspection assembly is expelled from the PTC heater when the bracket is assembled by assembling the bracket. The device integrates the functions of conveying, positioning, assembling and electric inspection on the same station, does not need to transfer, improves the production efficiency, is accurate in positioning, stable in detection and reliable in protection, effectively avoids product damage, overcomes the defect of separation of assembling and detection, and is suitable for batch production.

The application provides a differential detection system of a high-voltage direct-current bus and a vehicle, the system comprising a differential sampling circuit, a first operational amplifier, an isolation circuit and a signal processing circuit; the differential sampling circuit is connected with a positive electrode and a negative electrode of the high-voltage direct-current bus and grounded; the inverting input end of the first operational amplifier is connected with the differential sampling circuit and the output end of the first operational amplifier, and the non-inverting input end of the first operational amplifier is connected with the negative electrode of the high-voltage direct-current bus and the common ground of the differential sampling circuit; the isolation circuit is connected with the first operational amplifier and the differential sampling circuit, and is connected with a power supply voltage and grounded; the signal processing circuit is connected with the isolation circuit, and the signal processing circuit determines the voltage of the high-voltage direct-current bus based on the output current of the isolation circuit. The system performs double-end sampling on the voltage of the high-voltage direct-current bus through differential sampling, has high sampling accuracy, high anti-interference ability, and is provided with the isolation circuit, and thus has high overall use safety.

The present application relates to the technical field of wideband radar signal, and provides a radar target robust intelligent detection and interference adaptive suppression method and system, the method comprising: using the skew-symmetric characteristic of clutter covariance matrix, performing decorrelation transformation on the received data and parameter matrix to complete initial data preprocessing; respectively performing correlation calculation estimation under the condition of no target assumption and under the condition of target assumption, constructing the gradient detection statistics of distance extended target under the condition of known clutter skew-symmetric covariance matrix; constructing the detection statistics λ of the radar target robust intelligent detection and interference adaptive suppression method; determining the detection threshold T through theoretical calculation or Monte Carlo simulation according to the pre-set false alarm probability, comparing the detection statistics λ with the detection threshold T, and determining whether the current distance unit to be detected exists distance extended target according to the comparison result. The present application adopts analytical expression design, avoids complex iterative calculation process, and improves operation efficiency.

This invention provides a multi-detection access control system for energy storage containers, including a detection device. Each container door is equipped with a mechanical limit switch. When the door is closed, the normally open contact of the corresponding mechanical limit switch is open, and the normally closed contact is closed. When the door is open, the normally open contact of the corresponding mechanical limit switch is closed, and the normally closed contact is open. The normally open contacts of each mechanical limit switch are connected in series and form a circuit with the coil of a first relay and a first battery. The normally closed contacts of each mechanical limit switch are connected in parallel and form a circuit with the coil of a second relay and a second battery. The first and second relays are connected in parallel and are both connected in series between the first and second signal input terminals of the detection device. The detection device determines the door status based on whether there is continuity between the first and second signal input terminals. This invention ensures accurate and reliable reporting of access control signals and reduces the risk of missed detections.

This paper presents a voxel-based robot self-collision detection method, which relates to the fields of robot motion simulation and collision detection technology. It addresses the problems of high false negative rates and insufficient real-time performance of existing detection methods under extreme postures. The method achieves self-collision detection through steps such as establishing a robot kinematic model; constructing a voxelized virtual environment; dynamic voxelization of the robot rigid body; filtering invalid detection pairs; and parallel collision determination. This method employs a global voxelization strategy, covering the entire volume region of the robot rigid body, fundamentally eliminating detection blind spots caused by sparse surface sampling. Through direct voxel index collision determination and mask matrix pre-filtering, combined with a GPU parallel architecture, the response time under extreme postures is only 5.2ms~5.8ms. This method is applicable to complex operation scenarios such as aerospace component painting, automobile manufacturing, and precision assembly. This invention has the advantages of high detection reliability, strong real-time performance, and good adaptability.

The invention relates to a visual closed-loop detection method, system and device for an automatic filling and sealing production line in the technical field of flexible filling and sealing automatic production lines, a hyperspectral camera and a 3D visual camera are adopted for data acquisition of a calibration information base, respective mathematical models are established, a coupling model is constructed, and finally whether the product is a qualified product or not is judged. Through multi-dimensional data fusion of the hyperspectral camera and the 3D camera, synchronous detection of spectral features and three-dimensional structure parameters of the potting layer is realized, single-dimensional judgment of traditional manual visual inspection is upgraded to multi-modal composite analysis, the detection precision and reliability are greatly improved, and particularly, whether a potting adhesive of a potting product is cured or not can be accurately judged.

The invention discloses an overhead line system thermal defect detection method and system based on large-view-field infrared temperature measurement, relates to the technical field of railway overhead line system detection, and discloses the overhead line system thermal defect detection method and system based on large-view-field infrared temperature measurement. Through synchronous acquisition of various data, image registration fusion, component identification, temperature extraction, thermal defect analysis and associated alarm, wide-area coverage, accurate identification and real-time response are realized, and the wide-area coverage capability, accurate identification degree and real-time response of detection can be improved, so that the detection efficiency and detection reliability of the thermal defect of the contact network are improved.

The invention discloses a rare earth mining area illegal mining unmanned aerial vehicle remote sensing intelligent detection method fusing multi-scale convolution and an attention mechanism. According to the method, YOLO11m is used as a baseline network framework, a multi-scale convolution attention enhancement module is embedded in the feature connection position of a backbone network and a neck network of the YOLO11m, and the multi-scale convolution attention enhancement module is formed by cascading a channel attention module, a space attention module and a multi-scale convolution residual block module. Complementary collaboration is formed among semantic channel enhancement, spatial region focusing and multi-scale context modeling through a progressive enhancement link, so that the detection rate and the positioning stability of a suspected illegal mining target under the complex mountain forest region condition are improved.