3632 results about "Photoelectric sensor" patented technology

The invention discloses an intelligent photoelectric theodolite aerial target positioning and tracking system, which relates to the technical field of photoelectric detection, and comprises a multi-mode photoelectric sensor module integrating visible light, infrared thermal imaging, a laser radar and a polarized light sensor and supporting spectrum adaptive switching; the dynamic noise suppression processing module is used for eliminating environmental interference based on a time-space domain hybrid filtering algorithm; the multi-target tracking control module adopts a time-sharing partition scanning strategy and a graph neural network data association algorithm; the anti-interference servo driving module is used for realizing stable tracking under strong disturbance through inertial navigation-visual fusion compensation; and the edge computing platform is used for deploying a lightweight deep learning model to complete target recognition and trajectory prediction. According to the invention, through interdisciplinary collaboration of quantum dot materials, graph neural networks and physical equation constraints, the bottleneck of a single technology is broken through; and through closed-loop optimization of dynamic anti-interference and edge intelligence, full-link enhancement of'perception-decision-execution 'is realized.

The invention discloses a PLC-based optical fiber winding tension control method and system, and the method comprises the steps: obtaining the remaining length of an optical fiber according to a set and real-time winding length through a length decreasing model, switching a winding unit to an ending preparation state and triggering a generator to decelerate when the remaining length is smaller than a threshold value, and obtaining the position information of a winding mechanism through a photoelectric sensor after the ending speed is reached; a motor speed correction coefficient is obtained through a position loop speed correction algorithm according to the angle difference and the target angle difference, and a control instruction is generated. And if the angle reaches or exceeds the target angle, starting the neural network prediction model to obtain a shutdown advance, and outputting a shutdown signal by the PLC according to the shutdown advance and a preset path model to stop the motor with low vibration. The PLC is utilized to integrate various sensing and intelligent algorithms, high-precision tension control in the full-winding process is achieved, the problems that in the traditional technology, tension control is not stable, and problems are prone to occurring at the end are effectively solved, the optical fiber winding quality and efficiency are improved, and the method adapts to various types of optical fibers and technological requirements.

The invention relates to the technical field of image processing, in particular to an image imaging method based on an anti-ambient light interference technology and image acquisition equipment thereof. According to the method, a photoelectric sensor is used for receiving a mixed optical signal reflected by a target, a tunable optical filter is used for extracting a reflected light component containing pulse coding characteristics, and an anti-interference characteristic pattern with a time dimension identifier is generated; based on the time dimension identifier of the anti-interference feature map, identifying an effective reflection region meeting a preset reflection characteristic threshold in the target scene, and marking a transient interference region generated by direct illumination of ambient light; and performing differential operation on the light intensity data of the effective reflection area and the spectral characteristics of the transient interference area, and reconstructing a target intrinsic image shielded by light. According to the invention, the imaging definition and the target identification reliability under severe illumination conditions such as backlight and strong light can be improved.

The invention relates to the technical field of data processing of organic display panels, in particular to a dynamic compensation method for driving signals of an organic display panel, which comprises the following steps of: acquiring brightness data in parallel by a photoelectric sensor array in different regions, and synchronously acquiring threshold voltage offset and environment temperature parameters of a thin film transistor; and after noise filtering, inputting into an aging feature extraction module and storing in a historical database. In the feature extraction stage, convolution kernel aggregation threshold voltage data is utilized to generate a regional aging coefficient matrix, the weight of a convolution kernel is dynamically adjusted based on a lightweight neural network, and an aging feature model is optimized in combination with real-time temperature parameters. The real-time problem of pixel-level compensation in a high-resolution scene is solved, and the calculation load of an embedded system is reduced.

The invention discloses a continuous monitoring method for neonatal jaundice and a related device. The method comprises the steps that a sensor module arranged on a patch or a bracelet is used for percutaneously measuring the bilirubin level of a neonate; the measurement data of the photoelectric sensor is corrected according to the data of the temperature sensor, the bilirubin level of the newborn is calculated through a preset bilirubin model based on the corrected data of the photoelectric sensor, and the preset bilirubin model comprises a light absorption model and a dynamic correction model; establishing a relation model of light absorption and bilirubin concentration by the light absorption model; the dynamic correction model adjusts parameters of the light absorption model; and transmitting the bilirubin level to a remote server, and when the bilirubin level exceeds a preset alarm threshold, generating an alarm signal and pushing the alarm signal to a medical staff client and / or a parent client. According to the invention, personalized continuous monitoring of neonatal jaundice is realized through a dynamic correction model, an intelligent alarm threshold, closed-loop control and auxiliary treatment means.

The invention discloses an SERS (Surface Enhanced Raman Scattering) sensing chip with stable reusability as well as a preparation method and application of the SERS sensing chip, and belongs to the technical field of photoelectric sensing devices. Comprising a substrate; the semiconductor photocatalyst is positioned on the surface of the substrate; the co-oxidant and the co-reducing agent are positioned on the surface of the semiconductor photocatalyst; the occupying molecule is covalently connected with an exposure site of the auxiliary reducing agent in space; the template molecule is in covalent linkage or coordination linkage with an exposure site of the pro-oxidant in space; wherein the template molecule can be subjected to photocatalytic degradation, so that the pro-oxidant obtains the exposure site again. The template molecules in the sensing chip can be quickly removed through space confinement photocatalytic degradation, and the accuracy of quantitative analysis is improved by using the inorganic imprinted polymer as internal standard molecules.

The invention discloses a full-automatic interval shifting mechanism which comprises a bottom plate. A rodless air cylinder is fixed to the bottom plate. A carrying plate is fixed to a sliding block of the rodless air cylinder. A sliding rail is fixed to one side of the carrying plate. The sliding block is inserted on the sliding rail in a sleeving manner and fixed to the bottom face of a stirring paw installation plate. A pushing air cylinder is fixed to the other side of the carrying plate. The end of a push rod of the pushing air cylinder is fixed to a connecting part of the bottom face of the stirring paw installation plate. A proximity switch is arranged on the rear part of the carrying plate and corresponds to the rear side wall of the carrying plate. A plurality of stirring paws are fixed to the top face of the stirring paw installation plate. A transverse sliding rail is fixed to the bottom plate. A transverse sliding block is fixed to the carrying plate and inserted on the transverse sliding rail in a sleeving manner. An induction piece is fixed to the bottom face of the stirring paw installation plate. Two photoelectric sensors are fixed to the parts, close to the left side and the right side, of the bottom plate and correspond to the induction piece. The full-automatic interval shifting mechanism can automatically move a product machined at one position to a station at another position to be machined, and thus the manual cost and the working intensity are lowered.

The invention relates to a packaging defect detection method and system, and the method comprises the steps: S1, obtaining the size information of packaging bags and the interval information of adjacent packaging bags through an area-array camera and a photoelectric sensor in combination with a multi-scale template matching method; s2, delay time of a conveying belt is calculated, and it is ensured that the distance between adjacent packaging bags is larger than a set value; s3, triggering a line scanning camera to shoot an image of the packaging bag, and collecting the vibration frequency; s31, performing motion compensation correction on the image by adopting an improved optical flow method; s32, inputting the corrected image into a forward propagation network based on an improved OfficientViT model, wherein the model comprises a multi-scale linear attention module and an SPP-ELan module; s33, the images are classified, if the classification result is that the bags are not packaged, the unpackaged bags are grabbed through a grabbing robot, and if it is determined that the bags are not packaged based on a classification confidence coefficient threshold value, the unpackaged bags are removed; and S34, inputting the defect image into an improved ACGAN network for data enhancement, wherein the network comprises a CMFNet denoising module based on a U-Net architecture. The method and the system can monitor and identify the packaging defects on the production line in real time, improve the accuracy and the efficiency of inspection, and reduce the labor cost.

The invention discloses an inspection map construction system based on radar and photoelectricity. The system comprises a three-dimensional laser radar module, a photoelectric positioning module, a data processing module and a map reconstruction module. The three-dimensional laser radar module collects environment data, constructs a global three-dimensional point cloud map and outputs the initial pose of the robot. The photoelectric positioning module corrects parking deviation through photoelectric sensors which are arranged in a crossed manner, and obtains an axle image through an up-looking camera; after the data processing module preprocesses the map, multi-source data are fused, the optimal pose is output through Kalman filtering, and secondary pose correction is completed by combining the comparison result of the axle image and the standard template; and the map reconstruction module realizes dynamic optimization and reconstruction of an inspection map, through multi-module cooperation and hierarchical correction, the positioning precision and scene adaptability are improved, the problems of positioning drift, weak map dynamic updating capability and the like in the traditional technology are effectively solved, and the high-precision requirement of rail transit underbody inspection is met.

The invention is suitable for the technical field of toll station management, and provides an expressway toll station remote seat guarding and special situation vehicle handling system, which comprises a front-end sensing layer, a rear-end sensing layer and a control layer, the lane equipment comprises a photoelectric sensor, an infrared height limit alarm, a license plate recognition camera, an ETC antenna, an acousto-optic warning ball and a self-service equipment sensor; the network transmission layer is connected with lane equipment, a sentry box cabinet, a machine room core switch and a monitoring center through an optical fiber network; the remote control layer is composed of a remote seat center, and the remote seat center can carry out video monitoring, visual intercom and remote control; and the abnormity alarm layer is used for carrying out early warning on vehicle detention, vehicle height exceeding, ETC passing faults, toll evasion vehicles and handrail abnormity. The vehicle state can be sensed in real time, data are gathered to a remote seat center through a network transmission layer, an information island is broken, and special conditions can be automatically processed.

The invention relates to a water jet attitude detection and calibration device and method, and relates to the technical field of water-guided laser processing and high-pressure water jet cutting. The water jet attitude detection and calibration device comprises an angle adjusting device for adjusting the angle of a processing head; the detection module comprises two groups of correlation type photoelectric sensors, two correlation type photoelectric sensors are longitudinally distributed in each group, one group emits linear light along the X axis of the machine tool, and the other group emits linear light along the Y axis of the machine tool; when the correlation type photoelectric sensor detects that the light intensity reaches a preset light intensity threshold value, a signal is sent out; the value range of the light intensity threshold value is 60%-90% of the initial light intensity; the position adjusting device enables the water jet to pass through two machine tool Y-axis light along the machine tool X-axis and enables the water jet to pass through two machine tool X-axis linear light along the machine tool Y-axis. The correlation type photoelectric sensor is used for replacing the combination of a CCD camera and a sharp mechanical structure, the reaction is more sensitive, the detection efficiency and the detection precision are higher, and the water jet attitude calibration device is suitable for multiple times of rapid water jet attitude calibration under the long-time operation scene of the water-guided laser machine tool.

The invention discloses a gear coding error dynamic compensation method based on multi-sensor phase difference fusion, which belongs to the field of mechanical transmission, and comprises the following steps of: cooperatively acquiring gear phase information through a Hall sensor and a photoelectric sensor, and calculating phase difference data; constructing a rotating speed, temperature and load three-dimensional topology error space; training an error prediction model based on a seven-layer long-short-term memory network; a self-adaptive compensation strategy is executed, and when the error is larger than 0.1 degree, the driving rotating speed is increased; implementing closed-loop feedback control, and triggering model self-calibration when a difference value between an actual error and a predicted error is greater than 0.16 degree; a transfer learning mechanism is introduced, the bottom-layer feature extraction capability is reserved, and only upper-layer parameters are updated; the system state monitoring and collaborative optimization are realized, the working mode and resource allocation are dynamically adjusted, the precision and stability of the gear transmission system are remarkably improved, and the method has wide engineering application value.

Surgical robotic systems and navigation systems employ a robotic arm including a plurality of links. A link tracker assembly is located on the surface of one or more of the links to enable the link to be tracked by a localizer. The link tracker assemblies can utilize a plurality of tracker elements that can be removably coupled to the link. A photosensor assembly is located on the surface of one or more of the links to receive signals from the localizer for controlling the link tracker assembly. The robotic arm can be coupled to a base and the systems can be used in collaboration with a base tracker that is coupled to the base. The robotic arm can also include a mounting interface for receiving an end effector and the systems can be used in collaboration with an end effector tracker that is coupled to the end effector.

The invention relates to the technical field of heat treatment machining equipment, and discloses a hammerhead heat treatment conveying line and clamp cooperative automatic feeding control system which comprises two guide conveying frames which are arranged to be of a strip-shaped pipe frame structure symmetrically. According to the automatic feeding control system cooperating with the hammerhead heat treatment conveying line and the clamp, the position of a hammerhead moving on the conveying line is detected through a photoelectric sensor installed at the upper end of a guiding conveying frame, an electric signal received by the photoelectric sensor sends information to an adjacent conveying power unit, and when a conveying table does not receive the hammerhead, the hammerhead is conveyed to the conveying table; the adjacent conveying power units are used for detecting, so that the placement position error between the auxiliary conveying table and the hammerheads is reduced, and the positions of the hammerheads on the conveying line are more accurate, so that the hammerheads on the conveying line are uniformly heated in the heat treatment process of heating, quenching and the like, and the consistency of the performance indexes of hardness, toughness and the like of the hammerheads is improved.

The invention discloses full-automatic coil bending equipment, which belongs to the technical field of coil bending and comprises a bending head connected with an external driving mechanism, a central column is fixedly connected to the center of the top end of the bending head, a wire passing groove is formed in the inner side of the bending head, and a guide roller for clamping and guiding a copper wire is rotatably arranged at the wire passing groove through a support. A driven counting roller is arranged on the surface of the guide roller in an engaged mode, and an electromagnetic induction heating coil used for heating the copper wire is arranged on one side of the bending head. According to the copper wire bending device, the guide roller, the driven counting roller and the electromagnetic induction heating coil are arranged, when the correlation photoelectric sensors rotate to the mutually aligned positions, the electromagnetic induction heating coil heats the bending position of a copper wire, stress generated when the copper wire is bent can be greatly reduced, the surface of the bending position becomes flat, and the bending quality of the copper wire is improved. And the coil can be better attached to the iron core, so that the mounting stability of the coil is ensured.

The utility model discloses a thickness measuring device for a surface coating of a battery cell, and belongs to the technical field of detection tools. The device comprises a thickness detection assembly and a carrying assembly which are arranged on a platform, the thickness detection assembly is provided with a height adjusting device, and the height adjusting device is provided with a photoelectric sensor used for detecting the thickness of a coating on the surface of a battery cell; the carrying assembly is in sliding connection with the platform, and the carrying assembly is used for conveying a to-be-detected battery cell to the photoelectric sensor and detecting the thickness of a surface coating of the battery cell; according to the utility model, the height adjusting device and the carrying assembly are matched with the photoelectric sensor, so that the thickness of the surface coating of the cylindrical battery cell is detected in a non-contact manner, and the production quality of the battery cell is improved.

The utility model relates to the field of automatic cutting equipment, in particular to quenching pipe automatic feeding and cutting equipment, which comprises a control system, a feeding device, a cutting device and a cut-off detection mechanism, and the feeding device, the cutting device and the cut-off detection mechanism are respectively in control connection with the control system. A cut-off detection mechanism is arranged to replace a correlation type photoelectric sensor in the prior art, and the cut-off detection mechanism specifically comprises a driven detection pressing wheel, a detection block and a proximity switch; a detection block and a proximity switch in the cut-off detection mechanism can be arranged far away from the cutting cavity or can be isolated from the cutting cavity, so that dust, water or other cooling liquid, sand and other impurities generated in the quenching pipe cutting process cannot affect detection of the proximity switch, and the accuracy of cut-off detection of the quenching pipe is guaranteed; automatic feeding and cutting of the quenching pipe are achieved, the production efficiency is improved, and the labor cost is saved.

The invention discloses a mobile phone data line quality detection device, which relates to the technical field of product detection and comprises a machine body and a detection assembly arranged on the surface of the machine body and used for detecting the quality of a data line. The rapid plugging assembly comprises a driving shaft rotationally connected to the upper portion of the machine body, a detection roller is fixedly connected to the exterior of the driving shaft, and photoelectric sensors are arranged on the two sides of the upper end of the machine body; a stepping motor used for driving the driving shaft to rotate is arranged on one side of the machine body. The rapid plugging assembly further comprises clamping assemblies arranged on the two sides of the detection roller and used for fixing the data line connector and a pushing assembly used for pushing the data line connector to complete plugging operation. Through the cooperation of the rapid clamping assembly and the pushing assembly, the data line connector can be accurately plugged, compared with manual plugging, the error rate is greatly reduced, and meanwhile, the abrasion of the data line connector and the service life loss of detection equipment are also reduced.

The invention relates to a binding head device, a mounting method and die bonding equipment. The binding head device is used for picking up a chip and mounting the chip on a substrate, and comprises a force control detection module, a force control driving module and a mounting module; the force control detection module comprises a reference block, a photoelectric sensor and a signal amplifier, and the signal amplifier is in signal connection with the photoelectric sensor; the mounting module comprises a main shaft and a main shaft seat, the main shaft penetrates through the main shaft seat and can lift relative to the main shaft seat, and the working end of the main shaft is exposed out of the main shaft seat; the top end of the reference block is connected with the force control driving module; the bottom end of the reference block is connected with the transmission end of the main shaft; the photoelectric sensor is arranged on the spindle seat, one end of the photoelectric sensor emitting a light source extends into the spindle seat, the other end of the photoelectric sensor is connected to the signal amplifier, and the photoelectric sensor can emit the light source to the top end face of the reference block. And when the chip is in contact with the substrate, the signal amplifier determines the height variation of the reference block by detecting the light quantity variation reflected and received by the light source.

The invention provides a photoelectric sensor packaging structure, a preparation method thereof and a camera module. The photoelectric sensor packaging structure comprises a substrate module, a light emitting unit and a light receiving unit. The substrate module comprises a substrate and is provided with a plurality of first channels and a plurality of second channels; the light emitting unit and the light receiving unit are arranged on the substrate, and the light receiving unit comprises a photosensitive area and a non-photosensitive area connected to the photosensitive area; the two ends of the first channel extend to the substrate and the non-photosensitive area respectively, a first conductive layer is arranged on the inner wall of the first channel to form a first hollow conductive channel, and the first hollow conductive channel is electrically connected to the substrate and the non-photosensitive area; the two ends of the second channel extend to the substrate and the light emitting unit respectively, a second conductive layer is arranged on the inner wall of the second channel to form a second hollow conductive channel, and the second hollow conductive channel is electrically connected to the substrate and the light emitting unit.

The invention discloses a methane laser sensor device which comprises a laser device, the laser device comprises a laser emitting unit and a sealing cap, a closed cavity is formed between the laser emitting unit and the sealing cap, and the closed cavity is filled with methane gas with preset concentration; laser emitted by the laser emitting unit is emitted after passing through methane gas in the closed chamber; the first photoelectric sensor receives laser emitted by the laser and outputs a first electric signal; the control module acquires a first electric signal output by the first photoelectric sensor; according to the first electric signal, the position offset of the methane absorption peak in a laser wave band emitted by the laser is determined or the range of driving current output to the laser is increased, and then the position offset of the methane absorption peak is calculated; driving current output to the laser is adjusted according to the position offset, so that the methane absorption peak is located in the central wave band of laser emitted by the laser. The detection failure of the laser methane sensor is avoided, and the detection precision of the laser methane sensor is improved.

The invention provides an oil spill monitoring system and method capable of automatically adjusting the angle of a light source. The oil spill monitoring system comprises an MCU controller, an ultraviolet light source arranged on the bottom surface of the oil spill monitoring equipment, a light source adjusting mechanism, two groups of fluorescence sensors, a distance sensor and an illumination intensity sensor, the illumination intensity sensor is located between the two fluorescence sensors, and the distance sensor is arranged between the two fluorescence sensors. The distance sensor is located between the light source and the illumination intensity sensor; the light source adjusting mechanism comprises a motor and a transmission mechanism, and the motor is connected with a lamp holder of the ultraviolet light source through the transmission mechanism and controls the ultraviolet light source to rotate; the MCU controller controls the motor and the light source, and in the monitoring process, the motor controls the emission angle of the ultraviolet light source to reach the deflection angle alpha. According to the invention, the illumination intensity is effectively utilized, so that the photoelectric sensor obtains the maximum illumination intensity; the light-emitting ultraviolet LED can be automatically adjusted according to the distance to the water surface, and the oil spilling condition on the water surface can be monitored more accurately.

The invention relates to the technical field of disintegration time limit automatic induction, in particular to a disintegration time limit inductive sensor capable of preventing refraction interference. A disintegration time limit inductive sensor capable of preventing refraction interference comprises a tube body which is internally provided with a medicine soaking cavity; the conical screen cover corresponds to the bottom of the medicine soaking cavity, the diameter of the upper end of the conical screen cover is larger than that of the lower end of the conical screen cover, and the lower end of the conical screen cover corresponds to the center of the medicine soaking cavity and is provided with an opening; the photoelectric sensor comprises a transmitter and a receiver, the transmitter is fixed below the conical screen cover, and a transmitting port of the transmitter is right opposite to an opening in the lower end of the conical screen cover; the floating head is arranged in the medicine soaking cavity, the receiver is installed in the floating head, and the receiving end of the receiver is exposed out of the bottom of the floating head and right faces the emitting opening of the emitter. And the detection precision of the photoelectric sensor can be effectively prevented from being influenced by refraction and liquid sputtering.

The invention relates to the technical field of industrial automation and robots, in particular to a forklift goods forking method and system based on tray position visual identification, and the method comprises the steps that an AGV body travels to a fan-shaped area, point cloud information is collected through a radar to be matched with tray characteristics, and the initial position of a tray is calculated; planning a retreating curve, driving to a visual identification position, and controlling the AGV body to retreat and fork after primary visual identification, error adjustment and secondary visual identification accurate positioning; the forking state is detected through a tray in-place switch and a fork tip photoelectric sensor, and the result is judged. The system comprises an AGV body, a recognizable tray and a scheduling module, and the AGV body carries a controller, a radar, a camera, an in-place switch and a photoelectric sensor. According to the scheme, SLAM accumulated errors are eliminated through laser-vision double recognition, tray deviation is adapted, recognition reliability is improved in a fan-shaped area, a narrow channel strategy widens the range, intervention is reduced, and the forking success rate and efficiency are improved.

The invention discloses a miniature bionic robot for in-situ detection of aero-engine blades, and relates to the technical field of aero-engine detection, the miniature bionic robot comprises a rigid movement mechanism, a flexible bending segment, a dual-mode adsorption system and an environment sensing system; the head and the tail of the rigid movement mechanism are connected with the driving foot, the flexible bending section is integrated with the shape memory material and the driving module, and wriggling is achieved through thermal deformation. The dual-mode adsorption system comprises an electrostatic adsorption module, a capillary adsorption module and a self-adaptive supporting structure and is used for stable adsorption; the environment sensing system is provided with an antenna sensor, a micro camera, a photoelectric sensor and a sliding displacement sensor and used for sensing the surrounding environment. According to the robot, disassembly-free in-situ detection of the aero-engine blade is achieved, the detection efficiency and precision are improved, the detection cost is remarkably reduced, the comprehensive performance index is 2-5 times higher than the industrial standard, and the robot has wide application prospects and important engineering value.

The fancy steamed stuffed bun wrapper coating machine comprises a frame body and a PLC control device, a conveying belt is erected on the frame body, a wrapper feeding machine is arranged on one side of the conveying belt, and a material taking mechanical arm is arranged between the wrapper feeding machine and the conveying belt; the PLC control device receives the starting signal and then outputs a first control instruction to the leather feeder; the photoelectric sensor detects passing of the to-be-processed product and outputs a signal indicating that the to-be-processed product passes to the PLC control device, a second control instruction is output to the material taking manipulator to take the wrapper based on the output signal of the photoelectric sensor, and the wrapper is placed and attached to the to-be-processed product; and the PLC control device detects whether the material taking manipulator completes the placing action or not, if yes, a first control instruction is output to the leather supplying machine on the upper station and the lower station in the advancing direction of the conveying belt, the steps are repeated, and the to-be-machined product is coated with leather for many times. The device has the effect of improving the automation degree and the production efficiency.

The invention discloses a photoelectric sensor precision control method, a controller, a medium and a product, and the method comprises the steps: obtaining a first detection light intensity value generated by a photoelectric sensor through collecting a first reference light signal and a second detection light intensity value generated by a second reference light signal under the current environment data; respectively comparing the first detection light intensity value with a first reference light intensity value and comparing the second detection light intensity value with a second reference light intensity value to obtain a first intensity deviation value and a second intensity deviation value; if the first intensity deviation value is not in a preset first error range or the second intensity deviation value is not in a preset second error range, determining an environment temperature influence coefficient, an environment humidity influence coefficient and an environment illumination intensity influence coefficient; comprehensive compensation parameters are determined; and applying the comprehensive compensation parameter to the photoelectric sensor. By implementing the method, the accuracy of precision control of the photoelectric sensor is improved.

The utility model relates to the technical field of soil in-situ detection, and discloses a portable soil quality multi-parameter in-situ detection device. The device mainly comprises a controller, a connecting wire, an optical probe and a sensor. The controller is provided with a touch screen, a single-chip microcomputer circuit board, a single-chip microcomputer, an SD card, a key switch, a wireless communication control panel and a power source, and power source management, detection system control, real-time data processing, man-machine interaction, data storage and remote transmission can be achieved. The sensor comprises a soil temperature probe, a soil humidity probe, a soil conductivity probe and a soil pH probe, and can realize real-time data acquisition of soil temperature and humidity, conductivity and pH value; an annular lamp holder, a light source, a photoelectric sensor, a plano-convex lens, a light shielding plate, a light shielding boss and a light shielding ring are arranged in the optical probe, and rapid collection of soil organic matter spectrum information can be achieved. The soil in-situ detection device realizes synchronous acquisition of multiple parameters of soil, is reasonable in structural design and convenient to operate, and is suitable for popularization and application in the field of soil in-situ detection.

The invention discloses a tin wire feeding mechanism for sawtooth spot welding. The tin wire feeding mechanism comprises a mounting base; the tin inlet guide seat, the first conveying wheel set, the middle guide seat, the second conveying wheel set and the tin outlet guide seat are arranged on the mounting base from top to bottom, and the first conveying wheel set and the second conveying wheel set are meshed and linked through a gear shaft; the discharging frame is positioned on the upper side of the mounting base; wherein the first conveying wheel set comprises a first driving wheel meshed with the upper portion of the gear shaft; the first driven wheel is used for clamping and conveying the tin wire corresponding to the first driving wheel; wherein the first driven wheel is in shaft connection with an indexing turntable rotating along with the first driven wheel, and the indexing turntable is provided with eight notches formed in an array mode; and the photoelectric sensors are mounted on two sides of the indexing turntable through brackets and correspond to the notches. Tin wires are discharged through the tin inlet guide seat, the first conveying wheel set is matched with the second conveying wheel set, the tin wires are continuously output through the tin outlet guide seat, meanwhile, the indexing turntable induces the tin outlet length, discharging is accurately positioned, and the trouble that tin wire feeding is difficult to control in the past is avoided.

The invention provides an automatic photoelectric test and defect detection method and system for a MicroLED display. Belongs to the technical field of display detection. Belongs to the technical field of display detection. The method comprises the following steps: carrying out comprehensive scanning on the MicroLED display by utilizing a high-precision photoelectric sensor array, and collecting initial photoelectric signal data of the display; preprocessing the collected initial photoelectric signal data; standard photoelectric signal data are obtained, pixel point positioning is carried out on the obtained standard photoelectric signal data based on the layout and resolution information of the display, and the position coordinate of each pixel point is determined; and dividing the display into a plurality of sub-regions according to the display region characteristics of the display. The MicroLED display is comprehensively scanned through the high-precision photoelectric sensor array, and the automatic data acquisition and processing flow is combined, so that the precision and efficiency of the photoelectric test are remarkably improved, the manual intervention is reduced, and the consistency and reliability of the detection are improved.