80 results about "Laser probe" patented technology

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 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 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 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 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.

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 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.

The application discloses an in-situ testing device and method for a quantum bit chip, and the device comprises a laser irradiation unit, a testing table, a probe structure and an electrical property detection device; a vacuum cavity is arranged in the testing table, a window and at least two probe interfaces which are in communication with the vacuum cavity are formed in the side wall of the testing table, a sample table is arranged in the vacuum cavity, and the sample table carries the quantum bit chip; the laser irradiation unit is used for generating laser; the probe structure comprises at least two groups of probe arms and probes, the probe arms penetrate through the probe interfaces, the first end of the probe arm is located in the vacuum cavity, the second end of the probe arm is located outside the vacuum cavity, the probe is fixedly installed at the first end of the probe arm and is electrically connected with the probe arm, and the second end of the probe arm is electrically connected with the electrical property detection device. The application can solve the problem that the oxidation layer of the quantum bit chip influences the accuracy of electrical property testing, and effectively improves the efficiency of electrical property testing of the quantum bit chip.

The present disclosure relates to a multi-core optical fiber cable (MCF). In some embodiments, an MCF comprises a plurality of cores, a cladding surrounding the plurality of cores, wherein a refractive index of one or more of the plurality of cores is greater than a refractive index of the cladding, and a coating surrounding the cladding, a distal end free of the coating and having a reduced diameter. The MCF also comprise an annular gap formed between the distal end of the MCF and the inner surface of the cannula, wherein the concentricity of the distal end of the MCF with the inner passage of the cannula is maintained.

This application provides a laser hyperthermia device and a laser hyperthermia method. The laser hyperthermia device includes an ablation component and a laser probe. The ablation component emits laser light to ablate target tissue. The proximal end of the laser probe is connected to the optical path of the ablation component to conduct the laser light to the target tissue area. The laser probe includes a stator assembly and a rotor assembly arranged axially toward the distal end. The stator assembly is used to adjust at least one of the laser beam diameter, beam focal length, and light intensity. The rotor assembly is configured to rotate in a radial plane with the axial direction as the central axis to adjust the laser emission direction. The embodiments of this application enable more concentrated laser energy, thereby improving the accuracy of laser ablation, reducing energy requirements, and thus reducing ablation costs. During the rotation of the rotor assembly, the laser light is emitted toward the area of ​​the target tissue that needs ablation. Multiple ablations of the same target tissue can reduce the risk of infection of the ablation site and improve ablation efficiency.

The utility model discloses a kind of laser system with real-time monitoring protection function, including laser, AOM module, monitoring module and laser controller, laser is connected with AOM module;Monitoring module includes light splitting unit, laser probe, power monitoring module, light splitting unit is connected with AOM module, laser probe is connected with light splitting unit, power monitoring module includes relay, laser controller is connected with laser by relay;Laser emits laser and is chopped by AOM module and obtains first light beam, first light beam is again divided into working light beam and detection light beam by light splitting unit, laser probe is used to monitor the output power of monitoring light beam, and the output power is converted into voltage signal and sent to power monitoring module, and relay module controls the on-off of laser controller and laser connection circuit.The utility model provides a kind of laser system with real-time monitoring protection function, monitors laser beam, and controls the switch of laser in time.

The utility model discloses a laser condenser for vehicle detection, which relates to the technical field of laser detection, and comprises a shell, the interior of the shell is of a cavity structure, triangular blocks are arranged on two sides of the rear end of the cavity, a diffuser is arranged at the front end of each triangular block, and a light guide plate is arranged at the rear end of each triangular block. A laser transmitter is installed in the light diffusion cover, the triangular blocks on the two sides are oppositely arranged, reflectors are bonded to the end faces of the triangular blocks, a transmitting groove is formed in the front end of the shell, a top cover is arranged at the lower end of the shell, and a wiring hole is formed in the rear end of the shell. According to the scheme, the problems that in the vehicle contour detection process of an existing laser transmitter, the laser conversion efficiency is low, the detection precision is poor, the actual experience of a user is affected, and meanwhile part of the laser probe end is exposed and is prone to being affected by ambient light, so that the detection precision is reduced are solved.

A kind of laser probe clamping device for toluene insoluble tester, including flat bottom flask, extraction cylinder, condenser, probe fixing clamp, first half clamp, second half clamp, pin shaft, split pin, V-shaped rubber strip, arc rubber strip, laser probe, the lower part of the condenser is connected with the extraction cylinder, the lower part of the extraction cylinder is connected with the flat bottom flask, the probe fixing clamp includes the first half clamp, the second half clamp, the laser probe is connected with the first half clamp, the first half clamp has first lug, the second half clamp has second lug, the second lug is attached to the first lug, the pin shaft passes through the second lug, the first lug in turn, the pin shaft rotates in the second lug, the first lug, the split pin passes through the pin shaft, the double torsion spring is sleeved on the pin shaft, the double torsion spring is placed between the first half clamp and the second half clamp, the upper end of the double torsion spring is in contact with the second half clamp, and the lower end of the double torsion spring is in contact with the first half clamp.

The present application relates to the technical field of oilfield production engineering, and particularly relates to a non-full-pipe drilling fluid flow monitoring device. The main problem of the existing drilling fluid return flow monitoring device is that the monitoring result error is large. A vertical measuring pipe (9) is connected to the upper side wall of the body (1), the measuring pipe (9) is connected to the top cover (6), the top cover (6) is provided with a laser probe (18), a magnetic field probe (14) is connected to the bottom side wall of the body (1), the body (1) is provided with a circuit board (20), and the laser probe (18) and the magnetic field probe (14) are connected to the circuit board (20). The non-full-pipe drilling fluid flow monitoring device can accurately monitor the non-full-pipe flow of high-speed drilling fluid returned from the wellhead. When drilling encounters complex conditions such as overflow and leakage, early warning can be accurately performed, complex accidents in the well can be reduced, and oil and gas safety can be ensured.

The utility model provides a wireless laser range finder, and belongs to the technical field of laser range finders. The range finder comprises an upper shell, a containing shell, a lower shell, a laser probe, a partition plate, a protection assembly and a power supply module. The upper shell and the lower shell are detachably arranged on the two sides of the containing shell in the height direction respectively. The partition plate is arranged in the accommodating shell; the partition plate, the upper shell and the partial containing shell form a first cavity. The partition plate, the lower shell and the other part of the containing shell form a second cavity. The laser probe is arranged in the first cavity; one side of the accommodating shell close to the light-emitting surface of the laser probe is provided with a light-emitting hole; the protection assembly is arranged at the light outlet hole and is used for protecting the laser probe; and the power supply module is arranged in the second cavity and is configured to supply power to the laser probe. The laser range finder has the effects of high-precision measurement, low-cost maintenance, convenience in operation and the like.

The application discloses a full-automatic positioning and punching device for long strip steel, relates to the technical field of steel transferring and processing, and comprises a guide wheel assembly, a hoisting support, a puncher and a steel conveying line arranged at the two ends of the puncher, sliding guide-in translation pieces and guide-out translation pieces are arranged on the two steel conveying lines respectively, clamping assemblies for positioning the end portions of the long strip steel are arranged on the guide-in translation pieces and the guide-out translation pieces, and the technical advantages of the application are as follows: the steel conveying lines are arranged at the two ends of the puncher, the guide-in translation pieces and the guide-out translation pieces with the clamping assemblies are arranged on the steel conveying lines respectively, the end positioning and automatic conveying of long strip steels with different sizes are realized, and the punching efficiency and the punching precision are improved; stroke switches and laser probes are arranged on the clamping assembly in parallel, in the process that the clamping assembly falls to position the long strip steel, the laser probes are used to realize rapid displacement in the first half of the falling of the clamping assembly, and the stroke switches are used to complete the clamping triggering in the second half of the falling.

The utility model discloses an aluminum bar cutting device, and relates to the technical field of aluminum bar machining. The aluminum bar cutting device comprises a rectangular device vertical frame, a length fixing mechanism and a discharging mechanism, by arranging the length fixing mechanism and the discharging mechanism, when the aluminum bar cutting device is used, aluminum bar raw materials are conveyed into a bearing half pipe in the discharging mechanism through a conveying device, and in the process, the aluminum bar raw materials are conveyed into the bearing half pipe in the discharging mechanism; when the front end of the aluminum bar moves to the position below a laser probe in the length control mechanism, the laser probe can detect an aluminum bar profile and send a signal to the master control system at the moment, the system can stop operation of the conveying device, then the aluminum bar is cut, fixed-length cutting of the aluminum bar can be conducted through the structure, and when adjustment is needed, the laser probe can adjust the length of the aluminum bar. The laser probe can be driven to move by rotating the threaded rod, the position of the laser probe is changed, and therefore the purpose of adjusting the fixed length is achieved, convenience and rapidness are achieved, and the aluminum bar machining efficiency is improved.

The application relates to the technical field of three-coordinate measurement, and discloses an active laser measuring head. The laser measuring head 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 is used for segmenting a workpiece and a detection table based on texture features, automatically focusing based on definition and resolution, and calculating a curvature variation trend based on pixel density of each detection area. The measurement result is checked in combination with the curvature and brightness of the current area, and the measurement, light supplement and focusing parameters of the next area are adaptively adjusted based on the curvature trend. The interference suppression unit outputs a predefined stabilized image signal to the signal processing and control module to suppress measurement errors caused by ambient light fluctuation. Through dynamic adjustment of ambient light, automatic focusing and parameter adaptation, the application overcomes measurement errors caused by overcutting / undercutting of curved surface edges, high reflectivity or dark materials, and is suitable for high-precision three-dimensional measurement of complex curved surfaces.

The utility model discloses a quality detection device for multifunctional carriage manufacturing relates to quality detection technical field, including laser probe body, still include quick mounting subassembly, quick mounting subassembly, quick mounting subassembly include the fixed plate of sliding connection in the bottom of laser probe body, and the fixed plate is connected with the clamping lever of sliding, and the clamping lever is fixedly connected with the clamping plate on, and the clamping lever bottom is fixedly connected with the sliding axle through the connecting frame, and the sliding axle is connected with the rotating disc of sliding, and the rotating disc is fixedly connected with the rotating column, and the rotating column bottom is connected with transmission subassembly, and the clamping lever and clamping plate are pushed to the center translation clamping laser probe body, and at the same time, the slide plate is inwards retraction along the support inclined plane structure through the round rod and promotes the fastening block, realizes the outside of laser probe and holds tightly, realizes the up and down, inside and outside double automatic clamping of laser probe body, has solved the problem that the prior art is inconvenient to install in background art.

The invention belongs to the technical field of general engineering, and particularly relates to an elastic rope deformation characteristic testing device and method, and the device comprises a pedestal, a pulley assembly, a laser probe, a tension sensor, and a weight. The base is vertically arranged and is of a vertical supporting structure, the bottom of the base is used for being placed on the ground or a workbench, and the top of the base is connected with a supporting pulley support through a flange. The pulley assembly is fixedly connected to the top of the base; the elastic rope is vertically arranged, and the laser probe is arranged at one end of the elastic rope and connected with the bottom of the base; the tension sensor is arranged at the other end of the elastic rope and connected with the pulley assembly, and a steel wire rope in the pulley assembly is connected with the weight; the laser probe and the tension sensor are connected with a signal collector. By arranging different weights, the pulling force of the weights on the elastic rope can be adjusted. The method has the remarkable advantages of being easy to operate, high in accuracy, low in cost and the like.

The wafer clamp comprises limiting baffles and a clamp body, the two limiting baffles are perpendicular to each other to form an L-shaped positioning structure, the side wall of the clamp body is connected with the two limiting baffles, a plurality of first negative pressure holes distributed along the first circumference are formed in the clamp body, and an annular mounting groove is formed in the clamp body; a plurality of second negative pressure holes distributed along a second circumference are formed in the annular mounting groove, a clamp inner ring is detachably mounted on the annular mounting groove, a plurality of third negative pressure holes aligned with the second negative pressure holes in position are formed in the clamp inner ring, the third negative pressure holes are communicated with the second negative pressure holes, and a vacuum air path is formed in the clamp body. The vacuum air path is communicated with the first negative pressure hole and the second negative pressure hole. The wafer thickness measuring device can adapt to and be compatible with wafers of different sizes, can adsorb the wafers of different sizes, and is matched with a laser probe of the testing equipment to measure the thickness of the whole wafer. The invention further provides the wafer testing equipment.

The application discloses a wafer clamp, which comprises limiting baffle plates and a clamp body, the two limiting baffle plates are arranged perpendicularly to each other to form an L-shaped positioning structure, the side walls of the clamp body are connected with the two limiting baffle plates respectively, a plurality of first negative pressure holes are arranged on the clamp body along a first circumference, a ring-shaped mounting groove is arranged on the clamp body, a plurality of second negative pressure holes are arranged in the ring-shaped mounting groove along a second circumference, a clamp inner ring is detachably mounted on the ring-shaped mounting groove, a plurality of third negative pressure holes are arranged on the clamp inner ring and are aligned with the second negative pressure holes, the third negative pressure holes are communicated with the second negative pressure holes, a vacuum air channel is arranged in the clamp body, and the vacuum air channel is communicated with the first negative pressure holes and the second negative pressure holes respectively. The wafer clamp can be adapted to and compatible with wafers of different sizes, can adsorb wafers of different sizes, and can cooperate with a laser probe of a testing device to measure the thickness of the whole wafer. The application further provides a wafer testing device.

The present application relates to the technical field of discharge mechanism, disclose a coal feeder discharge mechanism and control method thereof, including box and coal feeder, the top of the box is provided with feed inlet, and the box is hollow, the inside is provided with crushing mechanism, the crushing mechanism below is provided with screen; The coal feeder is connected with the box through the screen, wherein the coal feeder conveying cavity one side is provided with discharge port, the other side away from the discharge port is provided with air drying device, the coal feeder pipe wall close to the discharge port is provided with multiple groups of humidity sensor. The control method of the coal feeder discharge mechanism includes: presetting the blockage level; Collecting the data of humidity sensor and laser probe; According to the real-time laser probe data, the blockage level is matched; According to the real-time blockage level, the corresponding nozzle size and air jet speed are selected, and the drying device temperature is matched according to the humidity sensor data.

The application discloses a device and method for on-line laser detection of coating thickness of a coated paper, and relates to the technical field of detection of coated paper production. The device comprises a detection assembly, laser probes are arranged at equal intervals on the circumferential side of a roller, a servo motor drives the rotation of the roller, the linear speed of the roller is the same as the transmission speed of the coated paper, the position of the probe is monitored through a position encoding module, and thickness detection is realized by combining a calculation formula. The method comprises the following steps: conveying after coating, preparing a visual area, rotating detection of the probe, matching the speed, calculating the angle, and repeatedly detecting without interruption. The application overcomes the technical defects of traditional vertical detection, such as single detection angle and complicated configuration, can realize multi-angle and uninterrupted detection of the coated paper, improves the detection precision and comprehensiveness, and provides protection for high-quality coated paper production.