1270 results about "Laser detection" patented technology

The invention belongs to the technical field of automatic detection, and discloses an online laser detection and grading regulation and control system for particle size distribution of crushed raw ore. The invention aims to solve the problems of halo effect interference caused by adhesion of fine dust in a complex industrial environment and insufficient detection precision of a traditional method. The system obtains dynamic scattering light field data through the laser scanning module, identifies a halo effect region and generates a compensation coefficient by using the light field preprocessing module, and realizes accurate reconstruction of particle boundaries in combination with the edge reconstruction module. The particle size distribution analysis module extracts multi-dimensional geometric features based on the accurate boundary data, and generates a real-time particle size distribution curve. The grading strategy generation module formulates a regulation and control strategy according to deviation characteristics of the curve and a preset standard, and the dynamic regulation and control module adjusts parameters of crushing equipment in real time and optimizes particle size distribution. The method effectively overcomes the halo effect interference, improves the detection precision and the system stability, breaks through the single limitation of a traditional method, and provides comprehensive data support for a downstream process.

The invention relates to the technical field of bridge engineering construction, in particular to a bridge deck concrete flatness detection and correction method, which comprises the following steps: synchronously acquiring bridge deck point cloud, elevation and crack data through a three-dimensional laser scanner, a laser profiler and an ultrasonic sensor, and fusing to generate a three-dimensional digital model; defects such as local protrusions and wave deformation are recognized based on an intelligent analysis algorithm, causes are analyzed, and correction process parameters such as milling, cladding, grouting or ultrathin layer pouring are generated in a targeted mode; operation is executed through equipment such as a finish milling machine, closed-loop control is realized by combining real-time monitoring of a laser profiler, and finally, a traceable digital file is formed through laser detection, inspection and acceptance of an unmanned aerial vehicle and data archiving. By means of the method, the pass percent of the flatness of the bridge floor can be increased to 94% or above, the maximum height difference is controlled within 3 mm, the maintenance period of the bridge is prolonged, and the maintenance cost is reduced.

The invention discloses an automobile part assembly precision intelligent compensation method and a self-adaptive regulation and control system, and relates to the field of intelligent compensation, and the method comprises the steps: synchronously collecting part geometric parameters, tool poses and environment data, and constructing an associated data matrix; analyzing data by using an improved random forest-attention model, and outputting a deviation factor contribution degree sequence; a compensation calculation model is designed accordingly, initial compensation amounts are generated in a segmented mode in combination with a precision margin threshold value, and correction is conducted through historical data similarity matching; selecting an execution path according to the compensation amount and the core deviation type; an actual precision value is obtained through laser detection after assembly, and a compensation error is calculated; based on an error triggering model optimization mechanism, model parameters are iteratively updated by using a gradient descent algorithm, and the deviation identification and compensation precision is improved. The method has the advantages that the model attribution deviation is improved, the precise compensation amount is calculated in combination with historical data, flexible execution, real-time monitoring and model self-optimization are matched, and the assembly precision and the production efficiency are efficiently improved.

The invention relates to the technical field of measuring devices, and particularly discloses a double-layer composite air pipe sealing size laser high-precision detection device which comprises a base and an air pipe, sealing plates are fixedly connected to the positions, close to a port, of the outer surface of the air pipe, a bolt is arranged between the two sealing plates, and a guide seat is movably connected to the upper side of the base. A positioning assembly is arranged on the upper side of the guide base and comprises a sleeve fixedly connected with the outer surface of the upper end of the guide base. By arranging the positioning assembly, the air pipes can be lifted and supported on the two sides of the connecting position of the air pipes through the symmetrically-distributed jacking blocks, the probability that the air pipes deform downwards in the placing process can be effectively reduced, therefore, the two sets of air pipes are kept in a straight line shape, and then the risk that a gap between the sealing plates changes can be reduced; the detection error of the sealing performance of the air pipe joint caused by the external force can be reduced, and the detection precision can be effectively improved.

The invention belongs to the technical field of laser detection, and particularly relates to touch screen flatness detection equipment which comprises a base and an L-shaped supporting frame fixedly arranged at the top of the base, and further comprises a moving mechanism arranged at the top of the L-shaped supporting frame, a first air cylinder is arranged at the bottom of the moving mechanism, and a laser detector is fixedly arranged at the moving end of the first air cylinder; and the annular positioning seat is fixedly arranged at the top of the base, and an annular auxiliary touch screen is detachably arranged at the top of the annular positioning seat. The to-be-detected touch screen is ensured to be horizontally placed through the annular positioning seat, and the annular auxiliary touch screen makes up the defect of an edge structure so as to avoid abnormity of a laser detection signal; the lifting mechanism is matched with the dust removal mechanism to clean dust on the surface and accurately control the height, the alignment degree detection mechanism and the lifting mechanism cooperatively adjust the alignment degree of the touch screen to be detected and the annular auxiliary touch screen, the problems that edge detection data of the touch screen is missing and accuracy is insufficient are effectively solved, and the accuracy and stability of flatness detection are improved.

The device comprises a box body and a measuring assembly arranged in the box body, the measuring assembly comprises a laser emitting unit, a lens unit, a focal length adjusting unit and a height adjusting unit, the height adjusting unit is arranged on the upper side in the box body, and the focal length adjusting unit is arranged at the bottom of the height adjusting unit. The laser emitting unit is arranged at the bottom of the focal length adjusting unit, and the lens unit is arranged at the bottom of the focal length adjusting unit and located on one side of the laser emitting unit. Through the collaborative design of the convex lens and the laser emission unit, the optical path reversibility principle of the convex lens is utilized, and dependence on a small-size and low-emission-port-height special-specification laser emitter is not needed. Even if a laser transmitter with a conventional size is adopted, refracted laser can be infinitely close to the ground, and tiny protrusions can be accurately recognized and measured.

The invention provides a degassing-free transformer oil monitoring device and method. A transparent accommodating pipe is used for being communicated with an external transformer oil supply device; the laser detection assembly is arranged on one side of the transparent accommodating tube; the voltage regulation and control unit is connected with the transparent accommodating tube; the imaging assembly is arranged on one side of the transparent accommodating tube and is used for acquiring optical image data of the Tyndall phenomenon in the transformer oil sample under different voltage conditions; the data processing unit is used for setting a segmentation point in the middle position of a Tyndall light pillar based on the Tyndall light pillar in the image data collected by the imaging assembly, determining a standard deviation according to the ratio of the total number of gray pixels on the left side and the right side of the Tyndall light pillar, and determining a threshold value of the Tyndall light pillar according to the relation between the standard deviation and a preset threshold value range. And judging the existence state and distribution characteristics of the gas in the transformer oil sample. Degassing treatment is not needed, the process is simplified, sample pollution is avoided, and the monitoring accuracy and stability of the gas in the transformer oil are remarkably improved.

The invention discloses a bearing outer ring profile tolerance laser detection device, and belongs to the technical field of laser detection, the bearing outer ring profile tolerance laser detection device comprises a bottom plate and a second motor installed on the bottom plate, the output end of the second motor is provided with a rotating seat, the rotating seat is provided with a dismounting assembly, the dismounting assembly is provided with a positioning frame, and the positioning frame is provided with a suction cup. A lifting assembly is installed on the bottom plate, a top plate is installed on the lifting assembly, a third connecting plate is installed on the lifting assembly, a connecting disc is rotatably installed on the top plate, a rotating ring is installed on the connecting disc, a cleaning brush is installed on the rotating ring, a detection assembly is rotatably installed on the third connecting plate, and a transmission assembly is installed on the third connecting plate. According to the bearing detection device, the positioning frame and the suction cup are arranged to cooperate with each other, the positioning frame and the suction cup adsorb the inner wall of the bearing, then the bearing can be positioned, and the bearing is not prone to deviation during detection.

The invention discloses a printing machine accessory laser detection device, and relates to the technical field of printing machine accessory production, the printing machine accessory laser detection device comprises a tool substrate and a laser detection assembly, the laser detection assembly is arranged below the tool substrate, and the laser detection assembly comprises an air cylinder fixed to the back end of the tool substrate through a bolt; a connecting plate is fixedly connected to the telescopic end of the air cylinder, a lifting rod is fixedly connected to the bottom of the tail end of the connecting plate, gear rings are fixed to the middle of the lifting rod in the radial direction at equal intervals, and a prism is fixedly installed at the tail end of the lifting rod. According to the non-contact measurement scheme based on the laser displacement sensor, the laser displacement sensor is responsible for measuring the position of the inner wall of the roller, the prism is used for changing the direction of the laser, the upper computer software is responsible for data processing and display, and compared with a traditional laser coaxial displacement meter, the laser displacement sensor is lower in cost and more accurate in measurement. Physical contact with the inner wall of the roller is not needed in the whole measurement process, and contact damage is avoided.

The invention discloses a CO detection device for a monorail crane diesel engine, and relates to the technical field of gas detection equipment, the CO detection device comprises a mounting box, a detection assembly is arranged on one side in the mounting box, the detection assembly comprises a detection box, a gas chamber is arranged in the detection box, a laser detector is arranged in the gas chamber, and the laser detector is arranged in the detection box. One end of the air chamber is fixedly connected with an air inlet filtering assembly, and one side of the detection assembly is provided with a back-flushing cleaning assembly used for cleaning the air inlet filtering assembly; one end of the mounting box is rotationally connected with a butt joint used for being in butt joint with an exhaust pipe of the diesel engine. Sampled flue gas is filtered through the gas inlet filtering assembly, high-pressure flue gas is stored through the high-pressure gas storage cavity, the high-pressure flue gas is discharged to the gas inlet filtering assembly when needed through control of the backflushing electromagnetic valve, filter material carbon deposition is removed through gas reverse impact force, and the trouble of frequent manual replacement and maintenance is avoided.

The invention discloses three-proofing cloth coating thickness detection equipment, and relates to the technical field of three-proofing cloth laser detection. A detection assembly is fixedly mounted on the right side of the top surface of the detection platform and comprises a detection base, and the detection base is of a hollow structure so that the three-proofing cloth can penetrate through the interior of the detection base; wherein laser detectors are fixedly mounted on the front side and the rear side of the interior of the detection base correspondingly, and the laser detectors detect the coating thickness of the three-proofing cloth by emitting and receiving detection light beams on the upper side and the lower side of the three-proofing cloth. According to the three-proofing cloth coating thickness detection equipment, the three-proofing cloth is conveyed through the unwinding unit and the winding unit, the dust removal mechanism assists in cleaning and collecting attached dust and dirt, and meanwhile, the wrinkle removal mechanism corrects the three-proofing cloth and then removes wrinkles, so that the smooth three-proofing cloth is subjected to coating thickness detection through a detection light beam, and the detection efficiency is improved. And the influence of factors such as dust, wrinkles and the like on laser detection data is avoided.

The invention belongs to the technical field of welding equipment, and particularly relates to an intelligent high-speed laser welding device for a longitudinal welded pipe, which comprises a rack, a high-precision clamping mechanism, a multi-degree-of-freedom motion platform, a laser welding head and an intelligent control system. The clamping mechanism adopts hydraulic pressure to drive an arc-shaped clamping plate to realize self-adaptive centering and flexible clamping of the pipe fitting; an X-direction module of the motion platform adopts a servo motor to be matched with a synchronous belt (or a ball screw) for transmission, and a Y-direction module is driven by a hydraulic cylinder, so that precise track control of the laser welding head is jointly realized; the intelligent control system integrates visual tracking of welding seams, infrared monitoring of a molten pool and laser detection of deformation, and welding parameters and motion trails are dynamically adjusted by calculating a welding quality coefficient in real time and based on a threshold value and a residence criterion. According to the method, the problems of welding seam tracking lag, unstable molten pool state, thermal deformation compensation deficiency and the like in high-speed welding are solved, and self-adaptive optimization and full data tracing in the welding process are achieved.

The invention discloses an automobile luminous logo appearance defect detection device, and relates to the technical field of automobile logo appearance detection tools. Through the cooperation of the damage detection mechanism and the brightness detection mechanism, the appearance, damage and brightness defects of the logo can be conveniently and comprehensively detected; the analysis module processes the gray block, draws the contour and marks the abnormity, accurately positions the areas where defects possibly exist on the surface of the logo, transmits the position information of the areas to the execution module, and when the execution module controls laser detection, the abnormal areas are scanned preferentially, so that omission or misjudgment caused by blind laser scanning is avoided, and the detection efficiency is improved. Laser detection is more targeted, and the accuracy of defect detection is improved; according to the technical scheme, the cleaning operation is performed firstly, and then the laser scanning is performed, so that the bulge caused by the attachment or the bulge formed by the material of the logo can be effectively distinguished, the accuracy of bulge defect judgment is ensured, and unnecessary loss caused by misjudgment is reduced.

A surface scanning tool and methods of using a surface scanning tool to determine a surface shape of a tool. In embodiments, the surface scanning tool includes a laser, a detector, and a signal analysis module. The laser sends a beam of light that is reflected off a bottom surface of the tool. The detector receives the reflected beam of light and sends the reflected beam of light signals to a signal analysis module. The signal analysis module determines a surface shape of the bottom surface and triggers mitigation actions. In alternative embodiments, the surface scanning tool includes a camera and a signal analysis module. The camera takes a picture of the bottom surface of the tool and sends the image to the signal analysis module. The signal analysis module determines the surface shape of the bottom surface and triggers mitigation actions.

The invention relates to the technical field of thickness laser measurement, and discloses a composite printing machine film thickness laser measurement device which comprises a supporting base, a fixing support is arranged on one side of the top of the supporting base, and one distance sensor is arranged on the top of the fixing support. The other distance sensor is arranged at the center of the top of the supporting base; the auxiliary measuring mechanism is located on one side of the thin film tightening mechanism, and a thin film winding mechanism is arranged on one side of the auxiliary measuring mechanism. According to the film thickness laser measuring device of the composite printing machine, the distance between fourth tightening rods is controlled, the tightening degree is adjusted, a film is tightened conveniently and kept horizontal, a distance sensor is fixed to the top of the film through a fixing support, and another distance sensor is arranged at the position, under the distance sensor, of the bottom of the film. The height of the fixing support is fixed, the distance sensor measures the distance between the distance sensor and the film through the laser detection probe, and the thickness of the film can be obtained.

The invention relates to the technical field of laser dimension detection, and discloses a laser dimension detection device for water pump accessory production, which comprises dimension detection equipment, and the dimension detection equipment is provided with conveying equipment for assembling a plurality of impeller bodies. Meanwhile, under the mutual cooperation of a laser detection assembly and an angle self-adjusting assembly, under the suction effect of an air pump, two suction cup bodies separated from the blade can be tightly attached to the blade, and then under the suction effect of suction cups, a rubber ring fixed to a reset sliding barrel is tightly attached to the blade; according to a traditional detection method, when facing blades with different distortion angles, manual equipment adjustment, clamp replacement or multiple times of measurement are needed to obtain complete data, the operations are time-consuming and labor-consuming, measurement errors are caused by human factors, and the detection accuracy is high. And the laser size detection device automatically adapts to different distortion angles.

The invention discloses an online quality detection method and system for a stranded cable. The system comprises a data acquisition module, a data processing module and a quality detection module, relates to the technical field of cable quality detection, and solves the technical problem that the accuracy of cable quality detection in the wire drawing and stranding process is not high due to the fact that the acquisition frequency of a sensor is dynamically adjusted according to the movement speed of a stranded cable in the prior art. According to the invention, the movement speed of the wire rod is obtained in real time and the detection frequency is dynamically adjusted, so that the synchronous matching of the detection process and the production rhythm is ensured, and the problem of missing detection or repeated acquisition caused by traditional fixed frequency detection is avoided; the cable stranded wire is divided into a plurality of detection sections, and multi-dimensional data acquisition and analysis are performed in combination with an image recognition algorithm and a laser detection technology, so that the defect recognition precision and the detection efficiency are improved; and furthermore, the quality condition is comprehensively judged based on the defect area and the laser data, so that the accuracy of quality evaluation of the cable stranded wire is improved.

The invention provides a data processing method of a laser radar and a laser detection system. The data processing method comprises the following steps: S11, acquiring a frame of point cloud data of the laser radar; s12, determining a set of ground points in the frame of point cloud data; and S13, determining calibration parameters of the laser radar point cloud according to the set of ground points. In the embodiment of the invention, after the ground point set is extracted by using the GPU, the point cloud ground level is calibrated at a high speed, so that the radar 3D point cloud ground is aligned with the ground level of the physical world. According to the embodiment of the invention, the ground point in the 3D point cloud can be quickly obtained, the ground point is drawn by using the GPU, and the laser radar point cloud calibration parameter is obtained by using the projection of the ground point in the preset plane, so that the point cloud of the laser radar can be calibrated to be close to a world coordinate system and be basically aligned with the horizontal plane under the world coordinate system.

The invention relates to the technical field of logistics transportation, in particular to a loading and unloading device for intelligent logistics and a using method of the loading and unloading device. A connecting frame is fixedly connected to one side of the bearing vehicle body, a bearing penetrates through the inner wall of the connecting frame, and a first threaded rod is fixedly connected to the inner ring face of the bearing. According to the loading and unloading device for intelligent logistics and the using method thereof, through cooperation of multi-direction movement adjustment of the adsorption assembly and the auxiliary assembly, flexible adjustment of the cargo loading and unloading direction is achieved, the adsorption assembly detects the cargo height in real time through a laser detector, and the position and height of the adsorption assembly are adjusted in real time; according to the method, the position accuracy of goods in the loading and unloading process is ensured, the stacking height of subsequent goods is adjusted according to the detected goods height, the goods are stacked in order, automatic operation of goods loading and unloading is achieved, manual intervention is reduced, the loading and unloading efficiency is improved, the labor cost is reduced, and the method is suitable for batch goods processing in logistics storage scenes.

A high-speed, low-noise laser signal detection apparatus, comprising a low-noise linear regulated power supply and a laser detection processing module. The low-noise linear regulated power supply (01-03) comprises an isolation unit (01), a voltage regulation and filtering unit (02), and a reference unit (03). The laser detection processing module (04-09) comprises a laser light signal detection input unit (05), a bias unit (04), a differential amplification unit (07), an active filtering unit (08), and an output interface unit (09). An output end of the voltage regulation and filtering unit (02) is connected to the reference unit (03) and the laser detection processing module (04-09). The reference unit (03) is connected to the bias unit (04) and is configured to provide a reference voltage to the bias unit (04). The bias unit (04) is configured to provide a bias voltage to the differential amplification unit (07). The differential amplification unit (07) comprises a multi-stage in-phase proportional differential amplification circuit, and the active filtering unit (08) comprises a multi-order active low-pass filter. According to the high-speed, low-noise laser signal detection apparatus, the detection bandwidth of a laser signal can be expanded, the signal-to-noise ratio of high-frequency pulse measurement can be reduced, and the anti-interference characteristics of a power supply can be improved.

The invention discloses a high-power thin film thermopile laser power meter and a preparation method thereof, and relates to the technical field of laser detection equipment. The high-power thin-film thermopile laser power meter comprises a thermopile chip and a heat sink packaging shell, the thermopile chip comprises a substrate, a thermopile layer is arranged on the substrate, the thermopile layer comprises a plurality of thermocouple lines, the adjacent thermocouple lines are connected in series, the thermocouple lines are distributed in a square shape, the thermocouple lines are distributed in a step shape, and the thermopile chip is connected with the heat sink packaging shell. And a cold end thermal resistance layer and a hot end thermal resistance layer are respectively arranged above the cold end and below the hot end of the thermopile layer. The structure of the thermopile is optimized, the heat transfer path in the thermopile chip is regulated and controlled, the stability of the thermopile chip in a low laser power test is improved, the preparation process is improved, and the cost is reduced. The problems that an existing thin film thermopile laser power meter is low in sensitivity and poor in stability during low-power measurement, and a thermopile chip is prone to aging and poor in stability during high-power density measurement are effectively solved.

The invention discloses a laser tracker plant target ball layout evaluation method for aircraft positioning, and belongs to the technical field of aeronautical manufacturing and measurement, and the method comprises the steps: S1, building a three-dimensional space model containing a to-be-measured aircraft and a plant according to the field environment and space size of an operation plant, defining a plant space coordinate system, and determining the position of the aircraft; s2-S4, respectively and correspondingly appointing an aircraft measurement point, a laser detection station and a plant target ball in the three-dimensional model, and determining the positions of the aircraft measurement point, the laser detection station and the plant target ball in a coordinate system; and S5, traversing all the laser detection stations, obtaining four types of indexes including light path accessibility, measurement point envelope, ballimeter relative distance and target ball distribution uniformity, and completing basic rationality judgment, local rationality quantitative evaluation and overall rationality quantitative evaluation of the target ball layout based on the indexes. The objective evaluation of the target ball layout is realized through the multi-dimensional quantitative index, the subjective deviation is reduced, the aircraft positioning precision is guaranteed, and the measurement trial and error cost and the error risk are reduced.

The invention relates to the field of detection, in particular to a bridge arc-shaped steel formwork flatness detection device and method.The bridge arc-shaped steel formwork flatness detection device comprises a positioning frame used for supporting and positioning a steel formwork and further comprises a detection frame used for fixing a detection mechanism, the detection mechanism comprises a set of linear telescopic units, and one end of each linear telescopic unit is matched with the detection frame in a rotating mode; the rotation axis is parallel to the axis of the steel template; a laser detection module is fixed at the other end of the linear telescopic unit; the laser detection module comprises an installation frame which is arranged in the direction parallel to the axis of the steel formwork and used for fixing a laser flatness measuring instrument, the installation frame is matched with the linear telescopic unit in a rotating mode, the rotating axis is parallel to the axis of the steel formwork, and the linear telescopic unit and the installation frame are driven by independent power sources to rotate around the rotating axes of the linear telescopic unit and the installation frame respectively. According to the invention, rapid detection of the flatness of the die surface of the arc-shaped steel template can be realized, and the detection precision is high.

The invention discloses a photovoltaic vehicle-mounted laser detection device with a cleaning function and an application method, and belongs to the technical field of vehicle-mounted laser detection, the photovoltaic vehicle-mounted laser detection device comprises a mounting base and a supporting plate, a machine body is fixedly mounted on the upper surface of the supporting plate, and a sweeping assembly and an air blowing assembly are arranged on the upper surface of the supporting plate; according to the photovoltaic panel cleaning device, the cleaning assembly is arranged, a transmission gear can drive a rotating rod to rotate on a limiting sleeve under the action of a fixed rack, at the moment, the rotating rod can drive a cleaning roller to rotate and move on a photovoltaic panel at the same time, dust on the photovoltaic panel is cleaned, and the photovoltaic panel can be automatically cleaned at regular time; on one hand, the situation that the light energy absorption capacity of the photovoltaic panel is reduced due to too much dust coverage is avoided, the endurance time of the photovoltaic vehicle-mounted laser detection device is further guaranteed, on the other hand, abrasion to the photovoltaic panel during dust sweeping can be reduced through rolling sweeping, and the absorption efficiency of the photovoltaic vehicle-mounted laser detection device is guaranteed.

The invention discloses a color-coated sheet coating film thickness laser detection system and method based on image recognition, and relates to the technical field of metering equipment. Comprising an optical data acquisition module, a film thickness change feature extraction module, a double-channel parallel resolving module, a double-channel arbitration module, a single-point quality judgment module, a trend analysis control module and a film thickness distribution visualization module. The optical data acquisition module acquires laser speckle images and spectral response data, the film thickness change feature extraction module acquires film thickness change features, the double-channel parallel resolving module outputs image and spectral channel film thickness values, the double-channel arbitration module outputs film thickness predicted values, and the single-point quality judgment module performs quality qualification judgment. And the trend analysis control module generates a process parameter adjustment instruction, and the film thickness distribution visualization module carries out visual presentation of film thickness distribution. By collecting optical data, the detection precision and the anti-interference capability are improved, comprehensive evaluation of film thickness distribution is realized, and the product quality and the process stability are effectively guaranteed.

The invention discloses a rotary feeding device for culture dishes, relates to the technical field of automatic processing equipment for the culture dishes, and aims to solve the problems of frequent posture errors, low efficiency and need of shutdown for correction in an existing feeding mode. The device comprises a processing table, feeding conveying equipment, a culture dish feeding frame, detection equipment and a rotary feeding structure are arranged on the processing table, and rotary filling equipment is arranged on one side of the processing table; multiple sets of material taking adjusting assemblies, feeding assemblies and moving assemblies are distributed on the rotary feeding structure in the circumferential direction, the material taking adjusting assemblies can clamp the culture dishes subjected to laser detection and automatically correct the direction, the feeding assemblies receive the culture dishes through pneumatic suction cups and send the culture dishes to the rotary filling equipment, and the moving assemblies drive the culture dishes and the rotary filling equipment to move alternately. Automatic detection and correction of the postures of the culture dishes are achieved, the feeding efficiency is improved through cyclic operation of multiple sets of assemblies, shutdown is not needed, faults and cost are reduced, and the requirements of an automatic culture dish filling production line are met.

The invention relates to a sensor cleaning control method of an unmanned vehicle and a related device thereof, a sensor of the unmanned vehicle is provided with a pollution monitoring unit, and the method comprises the following steps: obtaining multi-element pollution data collected by the pollution monitoring unit; wherein the pollution detection unit at least comprises an image acquisition module and a laser detection module; the multi-element pollution data comprises image data acquired by the image acquisition module and laser data acquired by the laser detection module; the image data and the laser data are analyzed to obtain a pollution result of the sensor, and the pollution result is used for indicating the pollution degree of the sensor; when the pollution result indicates that the sensor is in a pollution state, determining a cleaning strategy based on the multi-element pollution data; and controlling a cleaning system of the unmanned vehicle to clean the sensor according to the cleaning strategy. According to the scheme provided by the invention, the pollution type and degree of the sensor can be accurately identified, a targeted cleaning strategy is adopted, and the cleaning efficiency and the cleaning capability are improved.

The invention discloses a laser type historic building monitoring scanning device which comprises a laser detection piece, a processor is installed at the bottom of the laser detection piece, an adjusting seat is arranged below the processor, a first heat dissipation hole is formed in the side end of the processor, a memory alloy sheet is installed in the processor, and the memory alloy sheet is connected with the adjusting seat through a connecting rod. The memory alloy sheet is located in the first heat dissipation hole, a temperature adjusting assembly is arranged on the inner wall of the processor, the temperature adjusting assembly comprises a temperature adjusting cavity formed in the inner wall of the processor, and a heating sheet is installed in the temperature adjusting cavity. According to the laser type historic building monitoring and scanning equipment, the site adaptability of the equipment is improved through the adjusting seat, passive heat dissipation adjustment is achieved through the memory alloy piece, evaporation heat dissipation of low-boiling-point liquid of the temperature adjusting cavity is combined with heating and heat preservation of the heating piece, heat dissipation holes and a protective cover which can be opened and closed are matched, and the accuracy of data processing at different temperatures is guaranteed; the whole operation is simple and convenient, the thermal insulation function can be quickly realized, and the service life of the device is prolonged.

The present disclosure relates to a device for calibrating a laser level, including a base platform configured to support the laser level that is to be mounted at a first position of the base platform, a laser detector arranged at a second position of the base platform and configured to receive a laser, and an optical path extension device arranged at a third position between the laser level and the laser detector and configured to receive the laser emitted by the laser level and project the laser to the laser detector after the laser is adjusted by the optical path extension device. With the optical path extension device, a physical distance between the laser level and the laser detector can be optically extended.

The invention discloses an automobile part grinding constant-force grinding device, and relates to the technical field of constant-force grinding, the automobile part grinding constant-force grinding device comprises a longitudinal adjusting assembly, a transverse adjusting assembly, a clamping assembly, a grinding assembly and a grinding wheel wear monitoring assembly, the three-direction force sensing module is used for measuring the stress variation of the clamping assembly in the X-axis direction, the Y-axis direction and the Z-axis direction, the total grinding force direction and amplitude are obtained, the control terminal receives data and controls the Y-axis motor, the X-axis motor and the Z-axis motor to conduct position compensation on the clamping assembly, the grinding force is adjusted in real time through closed-loop feedback control, quick response is achieved, and the grinding efficiency is improved. A longitudinal damping vibration attenuation module and a transverse damping vibration attenuation module are arranged in the grinding assembly, damping force is changed through current, the influence of vibration on grinding force adjustment is reduced, the grinding wheel abrasion monitoring assembly can obtain abrasion data of abrasive particles on the surface of a grinding wheel through a laser detection module, and the abrasive particles can be replaced in time after abrasion exceeds a threshold value.