203 results about "Laser probe" patented technology

The invention relates to the technical field of optical engineering, in particular to an AI silicon carbide lens-oriented aspheric laser polishing precision online detection and feedback system. Comprising a detection module; the data processing module is electrically connected with the detection module and used for constructing a lens surface three-dimensional model and calculating polishing precision parameters; the feedback control module is electrically connected with the data processing module, is used for generating a feedback control strategy and comprises a strategy generation unit and a parameter optimization unit; an execution module; and an intelligent learning module. According to the design, a laser measuring head, an energy sensor array and an environment sensor are integrated through the detection module, synchronous acquisition of multi-dimensional data such as surface profile, laser energy distribution and environment parameters is realized, and three-dimensional point cloud data with consistent time and space are generated through multi-modal fusion processing (time domain synchronization, space registration and feature enhancement) of the data preprocessing unit; the physical essence of the polishing process is completely represented, and the detection comprehensiveness and the data relevance are improved.

The invention discloses ultrafast photo-thermal PCR amplification equipment and a use method. The ultrafast photo-thermal PCR amplification equipment comprises a shell, and a laser probe and an infrared temperature sensor are arranged in the shell; a chip rack is arranged in the shell, and a chip to be tested is placed in the chip rack; the laser probe is located on one side of the chip frame, the infrared temperature sensor is located on the other side of the chip frame, and the laser probe inclines upwards in the vertical direction. An embedded industrial all-in-one machine is installed on the shell, and the output end of the infrared temperature sensor is connected with the input end of the embedded industrial all-in-one machine. An excitation light source of the laser probe and a coupling non-contact infrared temperature measurement sensor can realize temperature control of nanoparticles in different batches, the ultrahigh temperature change requirement of PCR is met, infrared temperature measurement control replaces a traditional thermocouple to serve as a temperature feedback device, the phenomenon of reagent pollution caused by contact measurement is avoided, and the detection accuracy is improved. The accuracy of later data detection is ensured, and the laser probe is inclined upwards along the vertical direction, so that a PCR reaction area is fully covered.

The invention relates to the technical field of laser measuring instruments, and discloses a device for measuring roadway roof separation by laser, which comprises a roadway roof, a laser probe, a first threaded pipe, a second threaded pipe and a mounting mechanism, and is characterized in that the laser probe is mounted on the first threaded pipe and is connected with a cable; the mounting mechanism is used for mounting the second threaded pipe on the first threaded pipe; the mounting mechanism comprises a base arranged on the roadway top plate, a rotating mechanism and a lifting mechanism are arranged on the base, and the lifting mechanism is used for feeding the laser probe, the first threaded pipe and the second threaded pipe into drill holes formed in the roadway top plate. The device for laser measurement of roadway roof separation overcomes the defects that in the prior art, equipment is large in occupied area and depends on the stability of a bottom plate, and the measurement precision is prone to being interfered, and the roof separation measurement device is more efficient, more accurate and more suitable for the underground complex environment.

The utility model discloses a flatness detection device. A cleaning assembly, a drying assembly, a flatness detection assembly and a screening-out assembly are sequentially installed on a conveying device in the conveying direction. A conveying part of the conveying device is used for driving the cooling fins to sequentially penetrate through the cleaning assembly, the drying assembly, the flatness detection assembly and the screening-out assembly. The cleaning assembly is provided with a cleaning head, the cleaning head is aligned with the conveying part of the conveying device, the cleaning head is used for spraying atomized cleaning liquid to the surfaces of the cooling fins, and the drying assembly is used for drying the cleaned cooling fins; the flatness detection assembly comprises a detection support, a lifting cylinder, a lifting plate and a laser probe. The lifting cylinder is fixedly connected to the detection bracket; the lifting plate is connected to the lifting end of the lifting cylinder; and the laser probes are uniformly arranged on the lifting plate. The screening-out assembly is used for pushing out defective cooling fins. And flatness detection is carried out through a plurality of laser probes, so that comprehensive coverage and accurate detection of the surface of the cooling fin are ensured, and the flatness and quality stability of a product are improved.

The present invention provides an automatic detection device and method for defects and states of low-interference drainage pipes, which relates to the technical field of defect detection. It includes an inspection and detection system and two fixed detection systems. The fixed detection system includes a semi-circular pipe wall fixing structure, a fixed detection transmission control system, and multiple first laser probes. The fixed detection transmission control system is installed on the pipe wall fixing structure, and multiple first laser probes are respectively installed at different positions of the pipe wall fixing structure. The multiple first laser probes are connected to the fixed detection transmission control system; the inspection and detection system includes an inspection track and an inspection robot. The inspection robot includes an inspection robot carrier, a robot controller, and multiple second laser probes. The multiple second laser probes are respectively installed at the top and bottom of the inspection robot carrier, and the inspection robot carrier moves along the lower surface of the inspection track in a hoisting manner. The present invention can perform various defect detections when the drainage pipe is in normal operation and drainage.

The invention discloses a measuring machine for detecting defects of a constant velocity universal joint component, and aims to solve the problems that the existing equipment is low in double-reference alignment efficiency, poor in precision and easy to be polluted and interfered. The device comprises a workbench with a center avoiding hole, a detection execution unit comprising a detachable contact type or laser measuring head, a motion driving unit driving the measuring head to move in a three-dimensional mode, a reference positioning unit comprising a double-vision assembly and a positioning adjusting assembly, an electric control unit and a cleaning auxiliary assembly. The electric control unit cooperates with the double-vision assembly to collect inner hole and outer circle references and controls the positioning adjusting assembly to finely adjust the position of a workpiece, and double-reference alignment is achieved. The measuring machine can improve the positioning precision and efficiency, enhance the workpiece clamping stability and the equipment universality, reduce the detection error caused by pollution, and guarantee the reliable detection.

The invention provides a roadway full life cycle deformation monitoring system and method based on multidirectional laser ranging, and relates to the technical field of coal mine roadway surrounding rock deformation monitoring. Calculating the horizontal distance between the device placement point and the side wall of the roadway and the vertical distance between the device placement point and the distance measurement point before and after deformation of the roadway, and further calculating the horizontal distance, the vertical distance and the linear distance of the distance measurement point before and after deformation of the roadway; the monitoring angle alpha of the laser probe can be adjusted, and calculation of deformation at different positions of the side wall of the roadway is achieved.

The invention discloses a magnetic anisotropy quantitative method and system for detecting terahertz signals based on a rotating magnetic field, and the method comprises the steps: (1), obtaining a to-be-detected magnetic / non-magnetic material film which comprises at least one non-magnetic film layer with strong spin-charge flow conversion and at least one magnetic film layer; (2) transmitting femtosecond laser pumping pulse to the magnetic / non-magnetic material film to be detected, and radiating terahertz waves; (3) applying a magnetic field to the magnetic / non-magnetic material film to be tested; (4) setting the relative time delay of the femtosecond laser detection pulse and the femtosecond laser pumping pulse to the signal position of the terahertz wave, continuously rotating the angle of applying the magnetic field, and detecting terahertz wave signals at different magnetic field angles through the femtosecond laser detection pulse; and (5) calculating to obtain the magnetic anisotropy field of the magnetic thin film layer according to the terahertz wave signals under different magnetic field angles. The method does not need to contact a sample for measurement, does not need to carry out micro-nano processing on a detection material, is simple in preparation and test processes, and can realize nondestructive detection.

The present invention provides a laser pulse energy control method and system for surface treatment, and relates to the field of laser pulse energy control technology. The method comprises: controlling a laser probe within a test cycle so that the laser spot moves on the surface of a workpiece, and changing the power and moving speed of the laser probe at multiple moments, and measuring the first temperature data of multiple positions through an infrared camera, thereby determining the control function between the temperature of the spot on the trajectory between adjacent moments and the power and moving speed of the laser probe, and obtaining the first area of ​​the spot on the surface of the workpiece, the size of the area to be processed, the preset processing time and the preset processing temperature, and then determining the working moving speed and working power of the laser probe in combination with the control function, thereby controlling the laser probe to perform surface treatment on the workpiece. According to the present invention, various factors are comprehensively considered to reasonably set the power and moving speed of the laser probe to improve the control accuracy of the laser pulse energy.

The invention relates to the technical field of coated white board thickness detection, and discloses a thickness detection device on a coated white board production line, which comprises a rack, a thickness detection mechanism is arranged above the rack, a coated white board body is arranged on the thickness detection mechanism, and the coated white board body is arranged on the rack. And an electrostatic dust collection mechanism is arranged below the coated white board body. According to the thickness detection device on the coated white board production line, chippings can be generated when a coated white board body is subjected to thickness measurement through the thickness detection mechanism, the chippings can be conveniently adsorbed through an electrostatic dust collection mechanism, and the distance between white board clamping plates can be conveniently controlled by clamping supporting plates through cooperation of adjusting sliding holes and moving sliding blocks; the coated white board body can be conveniently and flexibly clamped by the white board clamping plate and can be conveniently changed according to the change of the winding and unwinding height of the coated white board body, the distance between the two sides of the coated white board body can be conveniently measured by the laser probe, the thickness of the coated white board body can be further obtained, and convenience and rapidness are achieved.

The utility model discloses a cotton feeding roller gear fracture alarm device which comprises a cotton feeding roller body and a laser detector, a supporting shaft is arranged in the cotton feeding roller body, a detection shaft is arranged at one end of the supporting shaft, a fixing mechanism is arranged between the detection shaft and the supporting shaft, a fixing seat is arranged above the cotton feeding roller body, and a gear is arranged on the fixing seat. The utility model relates to the technical field of fine opening equipment, in a normal state, the laser detector can receive long and short signals which uniformly and alternately appear, and when cotton fibers or impurities are clamped into the gear on the supporting shaft to influence the operation of the gear, the laser detector is driven to rotate, and the gear is driven to rotate. And long and short alternating signals are not uniform, so that cotton fibers or impurities need to be cleaned in time.

The utility model relates to the technical field of laser probe fixing, and discloses a laser probe fixing device for oral disease treatment, which comprises a fixing seat, the surface of the fixing seat is rotatably connected with a telescopic main rod through a damping rotating shaft, and a telescopic auxiliary rod is inserted into the telescopic main rod. First threaded holes are formed in the surface of the telescopic main rod and the surface of the telescopic auxiliary rod correspondingly, and first fixing bolts are in threaded connection with the interiors of the first threaded holes. According to the laser probe fixing device for oral disease treatment, through cooperative arrangement of a first damping bearing, a first damping rotating block, a first adjusting rod, a second damping bearing, a second damping rotating block and a second adjusting rod, the direction of a laser probe can be adjusted through the first damping bearing and the second damping bearing during use; and the angle of the laser probe is adjusted through the first damping rotating block and the second damping rotating block, so that the effect of adjusting the direction and the angle of the laser probe is achieved.

The utility model provides a kind of protective cover substrate measuring device, it is related to substrate measurement technical field, including position transfer mechanism, rotating mechanism, workpiece placing mechanism and laser probe, rotating mechanism is connected with position transfer mechanism, the rotation axis of rotating mechanism and the axis of laser probe are non-collinear and parallel arrangement.Through the setting of position transfer mechanism, rotating mechanism, workpiece placing mechanism, when measuring, workpiece is placed on placing mesa, annular placing mesa can effectively support workpiece, rotating mechanism drives workpiece rotation, multiple detection points are rotated to laser probe downside to measure respectively, without manual switching, while improving efficiency, avoid the problem of scratch in the process of manual multiple taking and placing, after using the device in the present scheme, the proportion of scratch is reduced from original 3.73% to 0.23%.

The application relates to the technical field of floating disc size measurement, and provides a laser measuring device for the size of a full-liquid stainless steel double-disc inner floating disc, which comprises a device body, a rack fixedly installed at the top of the device body, a laser probe arranged at the top right side of the rack, two inner floating disc bodies arranged at the top of the rack, a gantry fixedly installed at the top of the device body, and the gantry being located at the outer side of the rack. When the application is used, the reciprocating screw rod and the connecting plate structure are arranged, so that the soft pad can be accurately attached to the top of the inner floating disc body, the shaking or displacement of the inner floating disc body during the measurement process can be effectively avoided, the measurement precision is ensured, the soft pad can play a buffering role when being in contact with the inner floating disc body, the inner floating disc body is prevented from being subjected to excessive pressure during the measurement process, and the product is prevented from being deformed or suffering other adverse effects.

The drainage pipe network water level measuring device comprises a supporting frame, a driving assembly, a dredging assembly and a laser probe, the bottom of the supporting frame is connected with a lifting base through an air cylinder, and the laser probe is fixedly installed on a connecting frame at the bottom of the supporting frame; the hollow shaft is rotatably sleeved in the middle of the lifting seat in the vertical direction, the inner sleeve is slidably sleeved in the hollow shaft in the vertical direction, the top of the inner sleeve is fixedly connected with the bottom of the supporting frame, the spiral blade is fixed on a shaft body below the hollow shaft, the bottom of the hollow shaft is closed, a liquid inlet hole is formed in the side wall of the hollow shaft, a floating body is arranged in the hollow shaft, and a receiving point position is arranged at the top of the floating body; under the action of the air cylinder and the driving assembly, the lifting base drives the hollow shaft to move downwards, and meanwhile the hollow shaft can rotate synchronously. Sludge and pollutants in the pipeline are cleaned, interference of the sludge and the pollutants on water level measurement is eliminated, and therefore the water level measurement precision is remarkably improved.

The application discloses a kind of monitoring devices of pressure fluctuation frequency and amplitude in cavitation collapse process, including water tank, cavitation generator, magnetic fluid, magnetic field device, laser generator, optical splitter, laser probe and receiver;Optical splitter is emitted by single beam laser of laser generator and is divided into two beams, one is emitted as laser, frequency is f ;Another is as reference laser, frequency is f + f r ;Laser probe exports and irradiates on the tip of magnetic fluid by emitting laser, and reflection is formed to form reflected laser, and its frequency is f + f D ;Receiver, accept reflected laser, and it has reference laser inside by optical splitter, and its frequency is f + f r The application can master the whole dynamic data of quantized cavitation collapse by monitoring the frequency and amplitude of whole process pressure fluctuation caused by cavitation collapse in liquid environment through magnetic fluid magneto-rheological effect, tip surface effect and Doppler effect, which provides important technical means for single-cavity theory development and hydraulic machinery cavitation flow research.

The application discloses a universal automatic dismounting device for a ship hydraulic cylinder, wherein a cylinder body anti-rotation mechanism is used for limiting the rotation of the cylinder body during threaded dismounting, a cylinder body rear support adjusting mechanism is used for positioning the cylinder body of the hydraulic cylinder, and the cylinder body is fixed by being pressed by an oil cylinder, and front and rear combination is used for automatically adjusting the cylinder body; a front end cover dismounting mechanism is used for dismounting and mounting the threaded front end cover, and is used for tightening or loosening; a laser probe detection mechanism is used for detecting the central axis of the cylinder body; a piston rod centering and positioning mechanism is used for centering and positioning the piston rod, and the piston rod axis is coincided with the working generatrix; and a piston rod positioning and pushing and pulling mechanism is used for accurately positioning the piston rod and pushing the piston rod into the cylinder body. The automatic dismounting device for the ship hydraulic cylinder can realize automatic centering of the hydraulic cylinder dismounting through automatic detection and automatic adjustment, and can be compatible with oil cylinders with different diameters and lengths and end covers with different diameters to realize automatic tightening and loosening.

The utility model provides a laser probe protection mechanism of a laser navigation forklift type AGV, and relates to the field of AGVs. The laser probe protection mechanism of the laser navigation forklift type AGV trolley comprises a split-type fixed seat and a protective cover used for providing external protection for a laser probe, and the fixed seat comprises a seat plate and a damping cushion block which are fixedly connected. According to the laser probe protection mechanism of the laser navigation forklift type AGV trolley, external protection can be provided for a laser probe in the use process of the AGV trolley through the arrangement of the protection cover on the fixed seat, and an annular air barrier can be formed outside a spherical cover through the arrangement of an air curtain mechanism on the outer side of the fixed seat, namely the cooperative use of multiple groups of flow guide seats and an air pump; the dust and water mist attachment is continuously blocked, the manual cleaning frequency is reduced, then stable self-cleaning protection is provided for the protective cover, through modular split type arrangement of the fixing base, the protective cover and the air pump, workers can conveniently disassemble, assemble and replace independent parts, and the maintenance cost is reduced.

The utility model relates to a packing box anti-fake labeling device relates to labeling machine technical field, including support, conveyer belt, drive mechanism, screening mechanism and press label mechanism, the support is provided with the opening, screening mechanism includes laser probe, adjusting component, electric push cylinder and push plate, adjusting component and electric push cylinder are both provided on the support, and the push plate is provided with the laser probe. The push plate is arranged at the output end of the electric push cylinder, the laser probe is arranged on the adjusting assembly and is in electric signal connection with the electric push cylinder, the adjusting assembly is used for adjusting the position of the laser probe, the conveying belt is rotationally connected to the support, and the driving mechanism is arranged on the support and is used for driving the conveying belt to rotate. The packaging box anti-counterfeit label sticking machine is provided with the screening mechanism, so that packaging boxes which are not successfully stuck with anti-counterfeit labels can be automatically screened out, and the overall working efficiency of equipment is improved.

The application discloses a sludge ozone coupling catalytic oxidation treatment test system, which comprises an oxygen generator, an ozone fission device, a micro-nano bubble generating device, a sludge feeding device, an ozone catalytic oxidation reaction kettle, an online Raman spectrum detection device and an ozone concentration online monitoring device; the oxygen generator, the ozone fission device and the micro-nano bubble generating device are sequentially connected, the micro-nano bubble generating device is connected with a micro-nano bubble aeration device; the sludge feeding device is connected with a sludge feeding nozzle; the online Raman spectrum detection device performs non-contact detection on the transparent ozone catalytic oxidation reaction kettle through a high-precision laser probe with a laser signal source, and transmits a signal to a Raman online detector for analysis and calculation; and the ozone concentration online monitoring device is used for online monitoring of the ozone source concentration. The application integrates high-concentration ozone generation, micro-nano bubble mixing, catalytic oxidation reaction and online detection functions, and can realize multi-dimensional data acquisition and process controllability in the sludge wall breaking process.

The application provides an illuminating multi-point laser probe and an illuminating multi-point laser system, which comprise a collimating lens, a filter, a lens array, a fiber bundle, an adjustable diaphragm and a focusing lens; the collimating lens collimates an illuminating light beam or a laser beam emitted by a light source, and the collimated light beam enters the filter; the filter filters a light beam of a specified wave band, and the filtered light beam enters the lens array; the lens array divides the light beam to form converging light spots which are coupled into the fiber bundle; the fiber bundle transmits and emits the illuminating light beam and the laser beam; the adjustable diaphragm is arranged behind the lens array of the laser beam; the adjustable diaphragm controls the number and position of the emitted multi-point laser; the focusing lens is arranged at the distal end of a laser fiber included in the fiber bundle; and the focusing lens forms multi-point lasers at different distances at different distances of the light outlet. The energy utilization rate can be improved, the number and position of the multi-point laser in the emitted light can be controlled, and illumination, aiming and laser treatment can be simultaneously realized.

This invention relates to the field of surface defect detection technology, specifically to a vision-based scanning surface defect detection device for oil drill pipes. It includes a drive unit, a displacement assembly, a laser probe, and a control feedback module. This solution uses a clamping assembly to fix the drill pipe's position and provide position status feedback. A laser receiver and laser emitter interact to detect and capture abnormal positional distributions of the drill pipe, avoiding the influence of irrelevant defects or abnormal placement on the surface defect detection. Simultaneously, the displacement assembly and drive unit perform defect detection at different locations on the drill pipe's outer surface, achieving comprehensive defect detection. The control feedback module collects positional parameters of the detection area in real time, constructing a location-based defect re-inspection route for irregularly placed drill pipes, precisely capturing the repair status of each defect repair point, avoiding repeated position corrections, and improving re-inspection efficiency.

Optical frequency reference apparatus (10) comprising - an atomic vapor cell (1), containing a vapor of reference atoms, said atomic vapor cell (1) comprising a first end (41) having a first window (4) and a second end (61), - a laser source (11) for generating a laser probe beam (3) adapted to excite a two-photon optical transition of said reference atoms, - an optical detector (14), adapted to detect a fluorescence signal emitted by said reference atoms, and - at least one reflective element (5, 15) wherein the laser source (11), the atomic vapor cell (1) and the at least one reflective element (5, 15) are configured such that, in operation, the probe beam (3) enters the atomic vapor cell (1) through said first window (4) at said first end (41) and crosses said vapor of reference atoms until said second end (61) through a defined optical path in a first forward direction (3a), the probe beam (3) is reflected backwards by said at least one reflective element (5, 15) and crosses said vapor of reference atoms a second time through the same defined optical path, in a second direction (3b) opposite to the first forward direction (3a), characterized in that the optical frequency reference apparatus (10) further comprises means (7, 9) for absorbing the reflected laser probe beam (3) exiting from the atomic vapor cell (1) according to the second direction (3b).

The invention relates to the technical field of chip packaging, and provides a method for improving formic acid concentration control precision of a vacuum furnace, which comprises the following steps: a laser gas analyzer and a vacuum furnace pressure sensor are arranged in the vacuum furnace, a laser probe of the laser gas analyzer extends into a gas uniform mixing area in the vacuum furnace, and a thermocouple is arranged near the laser probe; the actual temperature T in the furnace is collected in real time; preset pressure is set for the formic acid barrel, a formic acid barrel pressure sensor collects pressure in the formic acid barrel in real time, and after the pressure is compared with the preset pressure, deviation is dynamically compensated by adjusting the opening degree of a nitrogen inlet valve; a mass flow meter and a proportional valve are installed on a main pipeline of an outlet of a formic acid barrel, after formic acid is output from the formic acid barrel, the flow is adjusted through the proportional valve, and then the actual flow is detected in real time through the mass flow meter; and the formic acid concentration deviation value delta C is obtained by setting the formic acid concentration Cset and the first correction concentration or the second correction concentration or the third correction concentration in the process. And the formic acid concentration control precision of the vacuum furnace is improved.

The utility model provides a steel rail top surface multi-region corrugation measuring device and steel rail detection equipment, and belongs to the technical field of railway steel rail detection. In order to solve the problem of low detection reliability caused by single steel rail corrugation detection position, the utility model provides a steel rail top surface multi-region corrugation measurement device, which comprises a fixed bracket, the linear sliding table is arranged on the fixed support, a sliding block of the linear sliding table is connected with an extension arm, and the extension direction of the extension arm is the same as the sliding direction of the linear sliding table; the sliding block of the linear sliding table is further connected with an adjusting piece and a plurality of locking pieces. And the laser displacement sensor is arranged at the tail end of the extension arm, and the direction of a laser probe of the laser displacement sensor is perpendicular to the sliding direction of the linear sliding table so as to obtain steel rail corrugation data. The linear sliding table drives the laser displacement sensor to move in the width direction of the steel rail, so that multi-position detection is achieved, namely, multi-area corrugation data of the top face of the steel rail is obtained, and then the reliability of steel rail corrugation detection is improved.

This utility model provides a feeder for preventing thin materials from uncoiling, including a support platform, and further comprising: an uncoiler, a leveler, a laser probe, and an NC feeder fixedly mounted on the support platform, with the laser probe located between the leveler and the NC feeder. The cleaning brush of this application cleans the upper and lower edges of the thin material, while the grinding roller grinds and removes burrs from the thin material, facilitating better cleaning and burr removal. This avoids the risk of burrs and impurities on the material exacerbating the jamming or scratching of the leveling roller. An electric push rod drives the cleaning brush to rise, allowing for better adjustment of the cleaning brush position according to the material thickness. A motor rotation drives the grinding roller to move, allowing for better adjustment of the grinding roller position according to the material width. This allows the cleaning and grinding structures to effectively handle the cleaning and grinding of materials of different specifications, making the overall leveler more flexible in use.

The invention discloses a method, a system and equipment for detecting tire side bumps of an odometer. The method comprises the following steps: S101, controlling a tire to rotate through a control device; s102, according to a preset time interval threshold value, acquiring an acquisition image of the tire through a line laser probe; s103, carrying out filtering preprocessing on the acquired image; s104, traversing the preprocessed acquisition image through the detection window to obtain a sub-image corresponding to the detection window; s105, analyzing the sub-images, and calculating the height difference of the tires in the sub-images; s106, comparing the height difference with a preset height difference threshold value, and judging whether abnormal bumps exist in the sub-images or not; when the height difference is larger than a preset height difference threshold value, it is determined that abnormal bumps exist, and detection is stopped; and S107, otherwise, repeating the steps S102 to S106. According to the invention, the tire side bulge can be efficiently detected, the risk of tire explosion is reduced, and a higher technical guarantee is provided for a mileage experiment.

The invention relates to the technical field of three-coordinate measurement. An active laser probe is disclosed. The laser probe comprises a laser emission module, an ambient light constant module, an acquisition module, a signal processing and control module and an interference suppression unit. The signal processing and control module divides the workpiece and the detection table based on the texture features; performing automatic focusing based on the definition and the resolution; calculating a curvature change trend based on the pixel density of each detection area; checking a measurement result by combining the curvature and the luminosity of the current area, and adaptively adjusting measurement, light supplement and focusing parameters of the next area based on a curvature trend; the interference suppression unit outputs a predefined stabilized image signal to the signal processing and control module to suppress a measurement error caused by ambient light fluctuation. According to the invention, through dynamic adjustment of ambient light, automatic focusing and parameter self-adaption, measurement errors caused by overcut / undercut, high reflection or dark color materials of the edge of the curved surface are overcome, and the method is suitable for high-precision three-dimensional measurement of a complex curved surface.

The present application belongs to the technical field of spraying unmanned aerial vehicle, especially relates to a thin film type enclosure system main screen wall ammonia test spraying unmanned aerial vehicle and a test method. The present application comprises an unmanned aerial vehicle body, a reaction paint spraying pressure storage tank at the top, replaceable reaction paint spraying units connected through quick release interfaces, and a scanning camera and a laser probe for weld joint identification and distance measurement. By replacing straight spray pipes or curved spray pipes with rotatable interfaces, the nozzle angle is adjusted to be always perpendicular to the surface of the cabin wall with different inclination angles, realizing adaptive spraying of various cabin wall weld joints such as top surface, bottom surface, inclined surface and vertical wall. The unmanned aerial vehicle flies along the weld joint under the guidance of the sensor and keeps a constant spraying distance, and observes the color change of the sprayed reaction paint, thereby accurately positioning the leakage point. The present application completely avoids the risk of personnel contacting ammonia, improves the spraying efficiency, significantly shortens the test cycle, and guarantees the spraying quality and full coverage.