33results about How to "Depth accurate" patented technology

The invention discloses a 3D target detection method based on millimeter wave radar and camera image double-branch mutual fusion. According to the method, specific image features of respective modes are efficiently extracted from a camera and a millimeter-wave radar, and complementary branch information is introduced. In particular, the method generates geometrically perceived camera bird's eye view (BEV) features and semantically perceived millimeter wave radar BEV features. The two types of features are fused to form a comprehensively enhanced BEV feature map, and then through decoding processing, accurate 3D target detection is realized. According to the method, the accuracy and robustness of 3D target detection are remarkably improved, and experimental results show that the method can effectively detect and position the 3D target in the environment even under the conditions of complex scenes and severe weather.

The invention discloses a tunnel waterlogging abnormal event detection method based on YOLO, and the method comprises the steps: firstly collecting a waterlogging video generated in a tunnel through a camera, carrying out the random picture interception of the video, selecting the data of a scene through which a vehicle passes, carrying out the marking, and building a data set; the method comprises the following steps: establishing a data set, then introducing a triple attention mechanism on the basis of a convolution module attention mechanism of YOLOv5 to improve the attention capability of the network on important features, training on a YOLOv5 model by using the established data set to obtain a target detection model, and detecting water accumulation and flooding events occurring in a tunnel based on the target detection model.

The invention relates to the technical field of furniture machining, in particular to a hardware laser cutting device for furniture machining and a cutting method.The top of the inner wall of the laser cutting device is fixedly connected with a master control frame, and the bottom of the master control frame is fixedly connected with a control mechanism; according to the laser cutting device, the control mechanism, the control frame and the transmission assembly are arranged, the problem that in the laser cutting process, due to movement or vibration of the metal fixing plate, the cutting precision is reduced can be effectively solved, the whole cutting process is high in automation degree, and operation is easy and convenient; the production efficiency and cutting precision of hardware for furniture machining are greatly improved, specifically, when a metal fixing plate is cut through laser, a bidirectional hydraulic push rod is activated firstly, a push-pull block and a push-pull cross rod are pulled to move in a C-shaped sliding groove, then a rotating rod and an L-shaped retracting and expanding rod are made to slide, and a thickness sensing clamping plate is driven to clamp the metal fixing plate.

The utility model relates to the technical field of film corrosion resistance testing, in particular to a scribing device for testing the corrosion resistance of a paint film. Comprising a platform, a fixing assembly, a scale track, a guide frame, a drawing tool and a dial indicator. The fixing assembly is mounted on the platform and is used for clamping and fixing a sample placed on the platform; the scale track is installed on the fixing assembly. The guide frame comprises a vertical guide rail and a horizontal beam, and the horizontal beam is installed on the vertical guide rail and ascends and descends along the vertical guide rail. The drawing tool and the dial indicator are installed on the horizontal beam. The bottom end of the drawing tool and the bottom end of the dial indicator are located on the same horizontal plane. The drawing tool is connected with the sliding block, and the sliding block is provided with a sliding groove corresponding to the scale track. The drawing tool slides along the scale track, and the length of the drawn line is determined through the scales of the scale track. Therefore, the test efficiency is improved, the scribing position is accurate, the scribing depth is accurate and consistent, and the final test result is ensured to be accurate.

A flange back face counter bore machining method comprises the steps that firstly, according to the diameter of a bottom hole in a flange and the diameter of a counter bore needing to be machined, a boring rod and a turning tool which are used for machining the counter bore are determined, and the flange is located on a part to be machined; secondly, the part to be machined is fixedly connected with a machine tool, then a main shaft of the machine tool is stopped at the center position of the bottom hole, meanwhile, the turning tool is fixedly connected with the lower portion of the boring rod, the mode that the boring rod and the turning tool penetrate through the bottom hole to reach the back face of the flange is judged according to the relation between the diameter of the boring rod and the diameter of the turning tool and the diameter of the bottom hole, and machining is completed. The machine tool spindle is connected with the boring rod through the clamp, and the turning tool and the boring rod penetrate through the bottom hole; thirdly, the machine tool is started, and a machine tool spindle operates according to the track to machine the counter bore; and fourthly, the turning tool and the boring rod retreat from the bottom hole. Therefore, according to the design, counter bores with large radial cutting depth and high precision can be machined in materials difficult to machine on the back face of the flange.

The invention provides a radar and camera data fusion method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a radar point cloud based on a vehicle-mounted radar, obtaining a plurality of original images based on a vehicle-mounted camera, extracting feature points in the original images, and classifying the feature points according to the motion states of pixel points around the feature points, if the motion state of the pixel points around the feature point is dynamic, taking the feature point as a dynamic point and removing the dynamic point to obtain a processed image, selecting a to-be-fused image from the processed image based on a preset time alignment strategy, and calibrating the to-be-fused image according to a pre-configured camera internal reference to obtain a to-be-fused image; the radar point cloud is projected to the calibrated to-be-fused image according to the camera radar external parameters to obtain a fused image, the camera radar external parameters are used for unifying the radar point cloud and the to-be-fused image in the same coordinate system, and the technical problem that data are inaccurate or lost after the laser radar is shielded or reflected is solved through the method.

The invention discloses a physical exercise barbell disc machining device, and particularly relates to the technical field of barbell disc machining, the physical exercise barbell disc machining device comprises a machine tool frame and a barbell disc body, the machine tool frame is provided with a cleaning device and a machining device, and the side, close to the cleaning device, of the machine tool frame is provided with a transferring device; the machining assembly comprises a mounting frame fixed to one side of the machine tool frame and used for storing the barbell disc bodies, a mounting plate fixed to the side, close to the transfer device, of the machine tool frame and a sliding plate slidably connected to one side of the mounting plate. Through the arrangement of the machining assembly, it is ensured that a barbell disc body can be stably and accurately placed in the transfer device by the machining assembly, workers are prevented from feeling tired easily in the carrying process, it is ensured that the feeding position and angle of the barbell disc body each time can be kept accurate, and the overall machining efficiency of the barbell disc body is improved.

The invention discloses a fungus bag pore-forming machine and a pore-forming method, belongs to the technical field of edible fungus production, and is used for solving the problems that pores are not uniform and the depth is not easy to control. The fungus bag pore-forming machine comprises a rack, and a punching mechanism and a jacking mechanism which are arranged on the rack, the punching mechanism comprises a puncher, a rotary driving mechanism and a movable driving mechanism, the puncher is provided with a through hole penetrating in the length direction, a blade is arranged at one end of the puncher in the length direction, the movable driving mechanism is configured to drive the puncher to move in the length direction, and the rotary driving mechanism is connected with the puncher; the driving device is configured to drive the puncher to rotate in the process that the puncher is inserted into the fungus bag; the jacking mechanism comprises a jacking shaft and a jacking driving mechanism, the jacking shaft is movably arranged in the through hole, and the jacking driving mechanism is connected with the jacking shaft and is configured to drive the jacking shaft to move in the length direction of the through hole so as to form a hole in the fungus bag. The fungus bag pore-forming machine is used in the fungus bag pore-forming method.

The embodiment of the invention provides a binocular image depth estimation method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a binocular image shot by a binocular camera; the binocular image comprises a first image and a second image; the first image comprises a first region of interest; the second image comprises a second region of interest; the first region of interest and the second region of interest are used for representing the same object; obtaining a disparity map between the first image and the second image as a first disparity map, and obtaining a disparity map between the first region of interest and the second region of interest as a second disparity map; updating the first disparity map by using the second disparity map to obtain the updated first disparity map; and generating a depth map corresponding to the binocular image based on the updated first disparity map.

The invention relates to the technical field of seeding machines, in particular to a quinoa seeding machine which comprises a rack, the rack is connected with a seeding machine body through a lifting mechanism, a plurality of vertical pipes are installed on the rear side of the rack through a vertical guide structure, a soil turning part is fixedly installed at the position, corresponding to a vertical rail, of the bottom of the rack, and the vertical pipes are connected with a vertical reciprocating driving device. The lower end of the inclined pipe is communicated with the interior of the vertical pipe, the upper end of the inclined pipe is connected with a seeding box through a hose, and quinoa seeds are contained in the seeding box. The seeding depth can be adjusted through manual operation, the depth is accurate, the seeding machine can be used for trial seeding in a test field and can also be used as a common seeding machine, it can be guaranteed that seeds are located at the more appropriate depth in soil, and it can also be guaranteed that the growth conditions of the seeds are balanced.

The present invention relates to the field of human resource management technology, specifically to a function assessment and employee position automatic matching system, the system includes a skill map construction module, a skill demand analysis module, an employee skill assessment module, a matching degree analysis module, a career development planning module, a feedback collection and analysis module, a matching strategy optimization module, and a continuous learning and model update module. The present invention, through the application of graph neural networks and graph convolutional networks, enables the system to effectively analyze the complex relationship between skills and realize the construction of a dynamic skill map. The decision tree algorithm and association rule learning provide in-depth insights into employee skill development and feedback optimization. The reinforcement learning algorithm allows the system to continuously optimize itself through a reward mechanism in a simulated environment. The combination of online learning and incremental learning algorithms ensures that the system can continuously receive and adapt to changes in market data and feedback information, so that the entire system has a high degree of adaptability and continuous learning capabilities.

The utility model provides a bridge settlement monitor, which relates to the technical field of bridge settlement monitoring, and comprises a monitor and at least one standard device, the monitor comprises two semicircular rings, a support, a gear, a motor and a laser emitter, the two semicircular rings are detachably connected, the two semicircular rings are provided with gear rings which can be combined with each other to form an annular gear path, and the support is provided with a laser emitter. The gear is connected to the support in a pivoted mode and meshed with the gear ring, the motor is arranged on the support and connected with the gear, the laser transmitter is arranged on the support, and the standard device comprises a stand column, a mounting base and a marking ring. According to the bridge settlement monitor, the plurality of reference devices are respectively arranged on stable point positions corresponding to the monitor in a plurality of directions, then the monitor is fixed on a pipe column of a bridge needing to be monitored, the reference is calibrated, and after a period of time, the laser transmitter on the monitor is respectively aligned with each reference device for measurement through annular rotation; therefore, accurate settlement depth and inclination angle can be calculated.

This utility model belongs to the technical field of titanium-zirconium alloy piercing devices, specifically relating to a titanium-zirconium alloy vibration-assisted piercing device, including a frame, a longitudinal adjustment device on the frame, a transverse adjustment device on the longitudinal adjustment device, an automatic clamping assembly on the transverse adjustment device, a piercing adjustment device on the upper side of the automatic clamping assembly, a high-speed spindle on the piercing adjustment device, an ultrasonic vibration mechanism on the lower side of the high-speed spindle, an ultrasonic vibration drill bit on the lower side of the ultrasonic vibration mechanism, and a vision component on the piercing adjustment device. This utility model uses the ultrasonic vibration mechanism to drive the ultrasonic vibration drill bit to vibrate at high frequency, reducing cutting resistance and stress concentration during titanium-zirconium alloy piercing, reducing hole wall damage, and improving processing efficiency in conjunction with the high-speed spindle; at the same time, the centralized control of the PLC controller ensures that all mechanisms operate synchronously.

The invention relates to an urban inland inundation and ponding monitoring station, which comprises a heightening base, the vertical height between the top surface of the heightening base and the lowest position of a monitoring area is 3-10cm; the monitoring cylinder is fixedly connected to the upper end face of the heightening base, and a water inlet is formed in the peripheral side of the bottom end of the monitoring cylinder; the filter screens are arranged on the periphery of the monitoring cylinder at intervals and completely shield the water inlet; the vortex partition plate is fixedly connected into the monitoring cylinder, and the vortex partition plate divides an inner cavity of the monitoring cylinder into a vortex channel; the liquid level sensor is arranged in the inner ring of the vortex partition plate; the electronic early warning display board is arranged on the periphery of the monitoring area; and the controller is connected with the liquid level sensor and the electronic early warning display board, and is configured to control the electronic early warning display board to at least display the accumulated water depth and the water level change trend information according to a numerical value monitored by the liquid level sensor. According to the application, the liquid level sensor can be ensured to accurately measure and calculate the depth of the accumulated water in the monitored area in real time under the condition that the accumulated water surges.

The embodiment of the invention relates to the technical field of electric power data analysis, in particular to an inspection service-based electric power operation and maintenance information mining method and system, which can comprehensively and accurately integrate operation and maintenance information by distinguishing structured and unstructured parts in target electric power operation and maintenance information. Operation and maintenance inspection semantic vectors and equipment operation index vectors are mined for different types of information, and respective information values are fully mined. After vector interaction, operation and maintenance inspection decision vectors are obtained, then fault weights are obtained through discriminant analysis, and deep fusion and analysis of multi-source information are achieved. According to the mode, the abnormal operation and maintenance information is accurately judged, the operation and maintenance efficiency and precision are improved, the manual troubleshooting workload is reduced, the fault risk of a power system is effectively reduced, the intelligence and reliability of power operation and maintenance are enhanced, and the stability of power supply is guaranteed.

The utility model provides an automatic grooving machine for heat preservation core material processing, belongs to the technical field of grooving processing, and solves the technical problems that an existing grooving machine cannot perform positioning grooving at different depths and cannot perform dust collection on grooving rock wool powder. An automatic grooving machine for heat preservation core material processing comprises a portal frame and a base fixed to the bottom end of the portal frame, the surface of the base is fixedly connected with a bottom frame, and the upper portion of the bottom frame is connected with a lifting table through a lifting assembly. According to the grooving machine, under the action that the lifting table is arranged in the portal frame in a lifting mode and the grooving assembly is arranged above the lifting table, the grooving machine can conduct grooving machining of different depths on the heat preservation core materials on the surface of the lifting table, through reciprocating motion of the grooving assembly, the grooving structure is stable, grooving accuracy is guaranteed, and meanwhile the grooving efficiency is improved. And the suction head is arranged on the outer side of the milling cutter, so that the suction head can adsorb and collect rock wool powder generated by grooving.

The invention discloses a short-term thermal load prediction method and system based on time-frequency interaction, and belongs to the technical field of heat supply load prediction, and the method comprises the steps: obtaining thermal load sequence data of a heat supply system, and carrying out the normalization of the data; decomposing the normalized thermal load sequence data into a plurality of IMF components by using a variational mode decomposition algorithm; constructing a time-frequency interaction prediction model; inputting each IMF component into a time-frequency interaction prediction model, that is, each IMF component correspondingly obtains a multi-scale reconstruction feature and a bidirectional time sequence feature through a wavelet convolution model and a BiLSTM model; a time sequence context dynamic retrieval mechanism is established, and joint representation features corresponding to IMF components are obtained; and the combined representation features of all the IMF components are summed after passing through a full connection layer and reverse normalization in sequence, and a final heat load prediction value of the heat supply system is obtained. According to the invention, the thermal load prediction accuracy and robustness of the heat supply system can be improved.

The utility model relates to the technical field of artificial board detection, in particular to an artificial board screw holding force sample manufacturing assistor which comprises a base, a stud is fixedly connected to the surface of the base, a bolt is connected to the surface of the stud in a threaded mode, a positioning plate is connected to the surface of the bolt in a penetrating mode, and a clamping groove is formed in the surface of the base. And a guide mechanism is arranged on the surface of the positioning plate. The depth limiter is in threaded connection with the guide sleeve, the guide groove is in threaded connection with the internal thread ring, the self-tapping screw penetrates through the internal thread ring and the guide hole of the positioning plate, the self-tapping screw enters the guide sleeve, and the self-tapping screw is screwed into the wooden plate in the guide sleeve. The tail part of the self-tapping screw is in contact with the limiting ring, so that the guide mechanism can quickly and accurately screw the self-tapping screw into a proper position and a proper depth, the sample quality is guaranteed, the operation is simple and convenient, and the efficiency is higher.

The invention provides an intraoperative positioning device for cesarean scar diverticulum surgery, which comprises a support assembly and an adjusting assembly, a positioning probe is embedded in one end of the adjusting assembly, and the adjusting assembly is mounted in the support assembly; wherein the support assembly is used for supporting and fixing the whole device and used for adjusting the position and angle of the positioning probe, and the positioning probe is connected with the adjusting assembly and used for detecting the position and depth of the scar diverticulum; and a sliding structure is arranged at the intersection of the adjusting assembly and the support assembly, and the adjusting assembly is driven to slide in the support assembly under the movement of the sliding structure. Accurate position and depth information can be provided for doctors in the cesarean delivery scar diverticulum operation, the accuracy and safety of the operation can be improved, the operation risk is reduced, and the operation effect is improved.

The application provides a urine wetness detection device and method for a care product. The device comprises an absorption body, a collection circuit, a power supply module and an alarm module. The absorption body is used for absorbing liquid. The collection circuit is arranged on the absorption body and sequentially comprises an inner detection layer, a position layer and an outer detection layer. The inner detection layer is provided with a common return line. The inner detection layer and the outer detection layer are respectively formed by at least one detection layer. Each detection layer is provided with a sensing line to correspondingly conduct with the common return line and output a first electric signal to obtain depth information of the liquid when being wetted. The position layer comprises a first conductive layer, a second conductive layer and a sensing line. The first conductive layer and the second conductive layer are respectively provided with conductive lines to form a plurality of intersection points. When the liquid penetrates into the position layer along the thickness direction and simultaneously wets the conductive lines, the corresponding intersection points are conducted and output a second electric signal to collect area information of the liquid. The power supply module supplies power to the collection circuit. The alarm module sends an alarm signal according to the depth information and the area information.

The invention discloses a method for preventing crack propagation of a nickel-plated layer on a rotor yoke assembly through laser surface modification, and belongs to the technical field of surface treatment of rotor yoke assemblies of small and medium-sized motors. According to the method, laser surface cladding is carried out near the weld joint fusion line, cracking or crack propagation of a nickel layer on the fusion line is avoided, the cladding area can be accurately controlled, and the machining cost is controlled. By adopting a laser welding method, the width and depth of a fusion area can be accurately controlled, and a laser surface cladding area can be accurately controlled. Workpiece deformation caused in the laser surface cladding process can be effectively avoided.

The present invention discloses a door processing end angle slotting machine, comprising a frame and a rotating rod, a conveying chain is arranged inside the left side of the frame, and an operating rod is connected to the left outer surface of the frame, a fixing rod is fixed inside the conveying chain, and a connecting rod is fixed to the right end of the fixing rod, a first fixing groove is provided inside the right outer surface of the frame, a fixing hole is provided on the front surface of the support rod, a motor is arranged inside the support rod, and a rotating rod is fixed on the right side of the motor, a grinding wheel is fixed on the outside of the rotating rod, and a friction ring is connected inside the rotating rod. The door processing end angle slotting machine can process different doors. When processing the door, the machine fixes the door, thereby avoiding direct operation of the device and causing injury to the operator. When the device slots the door, the lowering speed of the grinding wheel is controlled by the first gear with a smaller diameter, thereby realizing effective control of the slotting depth.

The application discloses a channel scratch depth and width determination method based on speckle domain Gaussian distribution fitting. The method is characterized in that a light guide beam and a camera are cooperated with coherent laser illumination to explore a channel, original laser speckle images in the channel are collected, Gaussian distribution fitting of speckle domains is carried out through drawing a straight line vertical to a scratch in the image, and the depth and width of the target scratch are determined. The scheme provided by the application can be applied to a specific endoscope pipeline diameter, and the depth and width of the scratch can be effectively determined.

The invention discloses a planar video three-dimensional conversion system and method, computer equipment and a storage medium, and belongs to the technical field of computer vision. The method comprises the following steps: extracting coarse-grained depth features of video frames in a plane video through a depth sensing module; extracting spatial detail features of video frames in the plane video through a spatial detail module; fusing the coarse-grained depth features and the spatial detail features through a depth enhancement module to generate fine-grained depth features, and decoding the fine-grained depth features into a planar layered mask; multiplying the spatial detail features by the plane layered mask through a multi-plane generation module to obtain multi-plane image features, and decoding the multi-plane image features to obtain multi-plane images; and forming a stereoscopic video frame through the multiple plane images, and finally outputting the stereoscopic video frame. Therefore, the three-dimensional expression is constructed by using the multi-level image, the three-dimensional planar video can be quickly and accurately realized, the robustness is high, and the generalization is strong.

This application provides a geological exploration sampling device. After the device is started, the drive assembly drives the core tube drilling section to rotate into the target soil layer. Upon reaching the predetermined depth, the drive stops, and the core tube, along with the fixed support, is pulled out as a whole, allowing the closed sampling chamber and soil sample column to be completely removed. The core tube is placed on a horizontal worktable, and the end of the arc-shaped shell away from the fixed part is released, with the tail of the arc-shaped shell moving away from the drilling section, exposing the previously covered open slot and connecting the sampling chamber to the outside. In the open state, the side of the sample column is exposed, allowing it to be completely removed from the side through the sampling chamber, avoiding sample displacement caused by compression during removal. The side-opening sampling chamber avoids continuous compression of the sample by the tube wall when pushing from the bottom, maintaining the original diameter and stratification of the sample column and preserving the original soil structure to the maximum extent. The side-removal method eliminates vertical movement of the sample due to friction or uneven force during the push rod removal process, ensuring accurate correspondence between the sampling depth mark and the stratum.

The utility model provides a depth measurement puncture needle simulation effector and a depth measurement puncture needle simulation system, and aims to solve the technical problem that the insertion depth of a puncture needle in a virtual scene and the insertion depth of the puncture needle in a real environment cannot be synchronized in the current simulation medical teaching field. The puncture needle simulation effector is a rod-shaped or plate-shaped conductive inner core, an array elastic sheet provided with a plurality of elastic sheets, a simulator shell and an acquisition controller, the simulator shell is tubular, an opening is formed in the upper end of the simulator shell, the array elastic sheet is located in the simulator shell, and the array elastic sheet is electrically connected with the acquisition controller; the inner core can be inserted into the simulator shell from the opening in the upper end of the simulator shell and is electrically contacted with at least one elastic sheet in the array elastic sheets; the depth measurement puncture needle simulation effect system uses the depth measurement puncture needle simulation effector, the depth measurement puncture needle simulation effect system further comprises a force feedback device and a VR teaching system, the depth measurement puncture needle simulation effector is connected with the force feedback device, and the output end of the force feedback device is connected with the VR teaching system.

The invention discloses a voltage early warning method, device and equipment and a storage medium, and relates to the technical field of batteries, and the method comprises the steps: carrying out the data interception of a single battery voltage list at a plurality of time points according to the vehicle key information of a target vehicle, and obtaining the voltage data of a target standing segment; determining voltage parameters of each single battery pack at each target time point in the target standing section according to the voltage data; performing voltage analysis according to the voltage parameter of each single battery pack at each target time point, and determining a single voltage analysis result; and performing voltage early warning based on the analysis result. By means of the mode, the problems that in the prior art, the voltage of the single battery is misreported and missed, and the performance of the single battery cannot be deeply analyzed and predicted are solved, accurate monitoring and deep analysis of the voltage of the single battery of the electric vehicle are achieved, layered early warning is achieved, meanwhile, the early warning accuracy is guaranteed, and the early warning efficiency is improved. And the safety and the reliability of the electric automobile are improved.

The present invention relates to an electronic sand-laying method and device based on three-dimensional scanning and discrete element simulation, and the method comprises the following steps: three-dimensional scanning of the road surface to obtain three-dimensional road surface data; preprocessing the three-dimensional road surface data; using the discrete element simulation method to establish a road surface model and a cylinder of fine sand model according to the three-dimensional road surface data; using the established road surface model and fine sand model to spread the fine sand on the road surface model; judging whether the fine sand is spread flat, if it is spread flat, outputting the structural depth, if it is not spread flat, continuing to spread the fine sand. Compared with the traditional manual sand-laying method, the present invention can eliminate the influence of the operator's technical level and the like, and has high accuracy; compared with the existing road surface structural depth scanning technology, the output result of the present invention is intuitive, has a clear physical meaning, is suitable for the current road surface structural depth detection, and can effectively improve the detection accuracy.

The present invention discloses a gantry type multi-point grain purchasing intelligent sampling device, comprising a sampling mechanism and a gantry body for driving the sampling mechanism to do planar motion, the sampling mechanism comprising a bracket for connecting the gantry body and the sampling mechanism, a material airflow conveyor connected in sequence, a sample conveying hose, a sampling rod and a vertical drive device and a central control device, the straight drive device comprising a fixed plate connected to the front end of the bracket, an adjustment frame arranged at the side end of the bracket, a passive groove wheel rotatably connected to the adjustment frame, an active groove wheel rotatably connected to the fixed plate, and a groove wheel driving device arranged on the fixed plate for driving the active groove wheel to rotate, the active groove wheel and the passive groove wheel are arranged relatively and a space for accommodating the sampling rod is formed between the two. The present invention overcomes the problem of poor stability of the slender rod structure of the sampling rod, effectively avoids the phenomenon of bending or even breaking of the sampling rod, and the fixed point control makes it easy to accurately insert the sampling rod into the grain pile.

The invention discloses a method for calculating optical depth and albedo based on a plastic product, which comprises the following steps of: S1, placing a sample under black and white substrates, measuring the reflectivity R < white > and R < black > under the white and black substrates through a color photometer, and calculating a difference value delta R; s2, according to set environmental parameters, constructing a light path analysis model of the sample in the environment, and obtaining the radiation intensity of each light path; the method comprises the following steps of S1, measuring parameters of a sample under the set environment parameters, S2, calculating the reflectivity, the primary transmittance and the secondary transmittance according to the parameters measured in the step S2, and calculating the optical depth at the same time, and S4, calculating the albedo of the sample under the set environment parameters according to the optical depth obtained in the step S3. The set environmental parameters and reflectivity are used for calculating the optical depth and albedo, two new indexes during color matching of the plastic product are provided, and meanwhile reliable characteristic parameters are provided for deep learning of a neural network.