46 results about "Visible laser" patented technology

The invention belongs to the technical field of tunnel excavation, and particularly relates to a method for projecting a tunnel excavation contour through multi-beam visible laser. Comprises: S1, establishing a tunnel line model; s2, establishing a two-dimensional rectangular coordinate system on the excavation section of the tunnel; s3, arranging more than three target positioning points on the excavation section of the tunnel, and installing reflecting lenses on the target positioning points; s4, converting the space coordinates of the target positioning point obtained in the step S3 under the construction engineering coordinate system into a two-dimensional rectangular coordinate system; s5, converting the two-dimensional rectangular coordinates of each point of the theoretical tunnel contour model into three-dimensional space coordinates; s6, erecting a laser projection device; s7, calculating the horizontal angle and the vertical angle obtained in the step S5 by the laser projection device, and controlling a motor to quickly adjust the angles of the reflecting lenses of the X axis and the Y axis respectively; s8, adjusting the angles of the reflecting lenses of the X axis and the Y axis of the related positioning point; and S9, averaging the mileage of the target positioning point of each total station obtained in the step S4, and taking the averaged mileage as the mileage of the current excavation face to carry out informatization management.

The invention discloses water-jet-guided laser cutting equipment and a water-jet-guided laser cutting system, and relates to the technical field of water-jet-guided lasers. The device comprises a dual-wavelength laser assembly, a reflection assembly, a liquid supply assembly and a coupling assembly. The dual-wavelength laser assembly can generate visible laser and invisible laser and coaxially output the visible laser and the invisible laser to the reflection assembly. The reflection assembly is used for refracting the visible laser and the invisible laser to the coupling assembly. The liquid supply assembly is used for supplying guiding liquid to the coupling assembly. The coupling assembly is provided with a nozzle and a coupling body which are connected with each other and used for coupling the guiding liquid, the visible laser and the invisible laser and outputting the laser through the nozzle. Visibly, the visible laser and the invisible laser with the power far greater than that of the visible laser are simultaneously utilized in the water-guided laser, so that the laser power is improved while the visibility of the liquid jet is ensured, the processing efficiency is further improved, and the cost is reduced.

The invention belongs to the technical field of electromagnetic shielding of optical transparent parts, and particularly relates to a large-slope conformal curved surface electromagnetic shielding transparent light window considering infrared visible light laser, which consists of a curved surface optical glass substrate, an electromagnetic shielding layer and a surface protection layer, the electromagnetic shielding layer is of a multi-layer electromagnetic shielding structure composed of a conductive polymer transparent film and a randomly-distributed metal mesh film. The electromagnetic shielding transparent light window has high shielding characteristics in X and S wave bands, keeps excellent optical transmission performance, and can meet the requirements of high imaging quality and high stealth characteristics of a high-performance seeker. Meanwhile, the appearance of the light window is trimmed and the design parameters of the shielding layer are adjusted, so that the service requirements of the seeker in different combat scenes can be met, and the electromagnetic shielding transparent light window with excellent performance is provided for the seeker of weapon equipment.

The application relates to a method of testing an item with a spectrally precise, artificial solar spectrum including wavelengths from 200 nm to 20 microns and it also relates to a solar spectrum simulator capable of producing a light spectrum including wavelengths from 200 nm to 20 microns. The simulator comprises: a) amplitude optimization software; b) a spectrum controller; c) an emitter controller; d) heat lamp / heater generation sources including: a xenon / infrared (IR) lamp and a blackbody radiator; e) laser generation sources including an ultraviolet (UV) laser source, a visible laser source, a near infrared (NIR) laser source, a short wavelength (SW) laser source, a medium wavelength (MW) laser source, a long wavelength (LW) laser source, and a quantum cascade laser source (QCL); f) a beam combiner; g) a beam profiler; h) a spectrometer; and i) a surface on which can be placed an item to be tested.

The utility model discloses pipeline joint maintenance equipment which comprises two pipelines arranged in a bilateral symmetry mode, a connecting pipeline arranged between the ends, close to each other, of the pipelines in a sleeved mode and a pipeline maintenance instrument tightly holding the outer surfaces of the pipelines. The pipeline maintenance instrument comprises two pipe body embracing rings locked on the surface of the outer ring of the pipeline, screw pipes fixed to the side walls of the front faces of the pipe body embracing rings and screw rods transversely penetrating through the screw pipes, and crankshafts are fixed to the ends, close to each other, of the screw rods. According to the technical scheme, the pipeline overhauling instrument is arranged between the two pipelines to be butted, the pipelines are tightly held by the hoops at the two ends of the instrument, the visible laser transmitter and the target plate are arranged at the bottoms of the hoops respectively, and the pipelines can be overhauled through traction limitation of the crankshaft and the screw rod on the hoops. And meanwhile, the visual laser transmitter and the target plate assist in enabling the pipelines to be coaxially arranged, so that a gap between the pipelines and the inner cavity of the three-way pipe is reduced when the pipelines are oppositely inserted and mounted.

The invention discloses a hoistway pipeline hoisting device and system and a construction method. The construction method comprises the steps that a basic sensing device is arranged at the bottom of a pre-hoisting point, and a plurality of laser emitters vertically emit visual laser upwards to form a laser channel; a lifting appliance is arranged at an irradiation point of the displacement sensor; a first attitude sensor is arranged on the outer surface of the hoisting hoistway pipeline, and attitude information of the hoisting hoistway pipeline in the hoisting process is obtained in real time; lifting the hoistway pipeline from the bottom by using a lifting appliance, carrying out pipeline lifting operation according to a preset lifting path and steps, and meanwhile, monitoring the posture and position of the hoistway pipeline in real time; the server updates the digital twin shaft pipeline hoisting model; the server judges whether the posture and position parameters of the hoisting hoistway pipeline meet the requirements of the monitoring indexes or not, and if not, a pause instruction is sent to the industrial personal computer; after the hoisting hoistway pipeline is hoisted to a preset position, the hoisting hoistway pipeline is fixedly installed; and the steps are repeated, and hoisting of all the hoistway pipelines is completed.

The utility model provides an indicating light emitting device of a laser oral cavity therapeutic instrument. The indicating light emitting device comprises a laser emitting assembly, a therapeutic laser assembly, a lens fixing assembly and a visual laser assembly. The laser emitting assembly comprises a laser transmission channel, a first laser reflecting mirror and a laser emitting tip; the treatment laser assembly faces the laser transmission channel; the visual laser assembly comprises a visual laser chip, a second laser reflector and a semi-reflecting and semi-transmitting mirror. Visual laser is connected to an existing light path composed of a laser transmission channel, a first laser reflecting mirror and a laser emitting tip by means of a second laser reflecting mirror and a semi-reflecting and semi-transmitting mirror, so that treatment laser and the visual laser are output through the same light path, and therefore the visual laser is provided for assisting in observing a treatment laser drop point. And an operator can conveniently and accurately control the drop point position of the treatment laser.

A vibrationally enhanced fluorescence microscopy system includes a narrowband pulsed mid-infrared laser configured to excite selected chemical bond vibrations in a sample. A continuous-wave visible laser is coaligned with the mid-infrared laser and configured to induce fluorescence from at least one fluorescent reporter bound to the sample. An external pulse generator temporally synchronizes emission of the mid-infrared pulses with emission of the visible laser. A reflective objective is arranged to deliver the mid-infrared pulses to a focal plane within the sample. A water-immersion objective is coaxially aligned with the reflective objective and arranged to collect the fluorescence from the focal plane. A photon-counting detector is coupled to receive the collected fluorescence. Control electronics are configured to output a vibrational-contrast signal derived from counts produced by the photon-counting detector.

A laser alignment tool for flange fit-up includes tapered centering nuts that seat in flange bolt holes, a mounting bolt to secure the nuts, and a connector rod extending through the nuts. A yoke bracket at the laser end carries a rotatable laser housing with an integrated laser projection system. A manual actuator controls a clamping head that selectively locks the laser housing orientation. Multiple bubble levels on the nuts, rod, and housing provide comprehensive leveling verification. The tool projects a visible laser line across flange surfaces to provide precise visual alignment reference for positioning flanges relative to corresponding components, eliminating inaccuracies of manual alignment techniques while enabling single-operator use with 360-degree rotational adjustment capability for complex angular alignments in oil and gas applications.

The application relates to a method of testing an item with a spectrally precise, artificial solar spectrum including wavelengths from 200 nm to 20 microns and it also relates to a solar spectrum simulator capable of producing a light spectrum including wavelengths from 200 nm to 20 microns. The simulator comprises: a) amplitude optimization software; b) a spectrum controller; c) an emitter controller; d) heat lamp / heater generation sources including: a xenon / infrared (IR) lamp and a blackbody radiator; e) laser generation sources including an ultraviolet (UV) laser source, a visible laser source, a near infrared (NIR) laser source, a short wavelength (SW) laser source, a medium wavelength (MW) laser source, a long wavelength (LW) laser source, and a quantum cascade laser source (QCL); f) a beam combiner; g) a beam profiler; h) a spectrometer; and i) a surface on which can be placed an item to be tested.

The present document discloses a method of determining thickness of a wet film, in particular of microfibrillated cellulose. The method comprises conveying said film (20) in a wet state on a conveyor (10) having a conveyor width, the wet film having a film width which is less than the conveyor width, providing a laser projection (1511) across a film edge, acquiring a series of images, each depicting an area of the conveyor, wherein the laser projection, a portion of the film and a portion of an exposed conveyor surface are visible, and using at least some of said images to determine at least one of a film thickness and a film thickness distribution across the film width. The document also discloses a method of forming a film, in particular a microfibrillated cellulose film, and a device for producing such film.

The invention discloses an automatic calibration gas detection system and calibration method based on cooperation of mid-infrared light and visible light, and relates to the technical fields of optical detection, environmental monitoring, automatic control and the like, mid-infrared laser and visible laser are combined and emitted into a multiple reflection pool, and initial alignment is carried out based on visible laser of indicating light in an initial state; a high-reflectivity mirror bracket of the multiple reflection pool is provided with a stepping motor used for adjusting the angle of a high-reflectivity mirror, in the operation process, the signal intensity and the signal-to-noise ratio are monitored in real time, the stepping motor is driven to adjust the angle of the high-reflectivity mirror according to the monitoring result, and closed-loop automatic calibration is achieved. According to the invention, the invisible mid-infrared light path is visualized by using coaxial indicating light, so that the calibration time of initial installation and daily maintenance is shortened, the angle of the high-reflectivity mirror is automatically adjusted, the offset of the light path is compensated and the optimal detection state is kept during the operation of the system, and the long-term stability and reliability of the system are improved.

A system such as a vehicle, building, vessel, aircraft, or electronic device system may have a layer of material with invisible laser-drilled openings. The layer of material may include an outer layer of fabric overlapping an inner layer such as an inner foam layer. Laser-drilled openings may include outer openings in the fabric layer and inner openings in the foam layer. Each of the inner openings may be overlapped by multiple outer openings. The exposed surface of the fabric layer may have strands of material of different appearances and / or may otherwise be configured to help visually hide the laser-drilled openings. Laser-drilled openings may also have small sizes to help make the laser-drilled openings invisible. Laser-drilled openings may overlap components such as audio components, heating and cooling components, and / or light-emitting components.

This invention discloses a laser irradiation therapy device based on metal film directional scattering beam expansion, comprising a chassis, a power supply module, an intelligent control module, a mid-infrared laser emission module, and a human-computer interaction component mounted on the chassis. It also includes a laser transmission module, a metal film directional scattering beam expansion and homogenization module, a visible laser emission module, a temperature detection module, and an adjustable support. During operation, the mid-infrared laser is transmitted to the beam-combining module via a light guide arm or flexible mid-infrared hollow fiber, while the visible laser is transmitted to the beam-combining lens via a visible light incident channel. The two lasers form a coaxial composite beam at the beam-combining lens, which together irradiates the metal film component. After directional scattering and beam expansion, the beam is output from the light outlet to the working area, forming an expanded and homogenized light spot. This therapy device, with the metal film component as the core optical shaping component, has advantages such as clear structure, adjustable light output direction, adjustable light spot area, visualized working area, and high safety.

The invention provides a surgical robot laser-assisted positioning device and method.The surgical robot laser-assisted positioning device comprises a base, a shell is connected to the base, a containing cavity is defined by the base and the shell, the surgical robot laser-assisted positioning device further comprises a buckling device, and assembling and disassembling of the laser-assisted positioning device and an instrument base on a surgical operation arm of the surgical robot can be achieved through the buckling device; a laser generator is arranged on the base or the shell, a power connector is arranged on the shell and used for being externally connected with a power supply, a wire is welded between the power connector and the laser generator and located in the containing cavity, and the laser generator projects visible laser beams. The center of the laser beam is aligned with the autorotation center of a surgical instrument originally installed on the instrument base and the center of a trocar connecting device on a corresponding surgical operation arm. According to the laser-assisted positioning device and method, the position display of the center of the surgical instrument can be provided when the surgical operating arm or the patient operating trolley is moved, and rapid positioning and trocar butt joint are helped.

The invention provides a wavelength-switchable and tunable all-fiber visible light laser. The wavelength-switchable and tunable all-fiber visible light laser comprises a pump laser, a first dichroscope, a single-mode gain fiber, a second dichroscope and a coupling distance regulation and control device, pump light output by the pump laser is directly coupled into the single-mode gain optical fiber through the first dichroscope and is absorbed by the single-mode gain optical fiber to generate fluorescent light, and the fluorescent light is transmitted to the second dichroscope, is reflected back to the output end of the single-mode gain optical fiber through the second dichroscope and then is coupled back to the single-mode gain optical fiber. The fluorescence is reflected and amplified for multiple times to form laser which is output through the output optical fiber; and the second dichroscope is arranged on the coupling distance regulation and control device and is used for regulating and controlling the coupling distance between the output end of the single-mode gain optical fiber and the second dichroscope so as to realize laser wavelength switching and tuning. According to the invention, flexible switching among cyan light, orange light and red light can be realized, tuning of respective wavelength ranges can be realized, and the device has the characteristics of fast switching speed and wide tuning range.

The present invention discloses a safety warning device for laser processing and a control method thereof. The device includes a laser, an indicator light, a beam combiner, a controller, an intermediate relay KA1, an intermediate relay KA2, an intermediate relay KA3 and a power supply; the laser is used to emit invisible laser, the indicator light is used to emit indicator light, and the beam combiner is arranged between the optical output port of the laser and the optical output port of the indicator light, and is used to combine the invisible laser with the indicator light; the laser has a laser light output signal input port and a laser alarm signal output port, the indicator light has a positive input terminal and a negative input terminal, and the controller has an indicator light control output port, a laser light output control output port and a laser alarm signal input port. The present invention can control the emission of indicator light to indicate the laser trajectory during laser processing, and the operator can judge the state of laser processing according to the state of the indicator light, so as to improve safety protection, reduce laser damage, and improve production efficiency.

The invention discloses an implementation method of a wireless microphone array with high synchronization precision. The invention provides a time synchronization scheme based on infrared light and a relative distance measurement and calculation scheme based on ultrasonic waves, aiming at the problems of low time synchronization precision and difficulty in relative distance measurement and calculation of the existing wireless microphone array. The method comprises the specific steps that a central synchronization device emits an infrared synchronization signal to trigger external interruption of a wireless microphone module, and an audio acquisition service is started; the average response time of each microphone module is calculated through a multi-round calibration optimization algorithm, and the time deviation is removed, so that the mu s-level time synchronization precision is realized; an ultrasonic sensor is used for measuring the distance between each microphone and the central synchronization device, and a visible laser auxiliary device is combined to ensure the precision of distance measurement and calculation. The method provided by the invention has the advantages of high synchronization precision, accurate distance measurement, flexible deployment mode, high concealment and the like, and is suitable for various high-precision audio processing scenes such as sound source localization, video conferences, voice recognition and the like.

The utility model belongs to the technical field of laser installation, and particularly relates to an upper adjustable fixing device for a multi-beam visible laser. Comprising a hanging bracket and a laser adjusting support, the top end of the suspender is connected with a tunnel top plate, and the suspension platform is suspended at the bottom end of the suspender. A turntable is mounted on the suspension platform; a laser adjusting bracket is mounted at the top of the turntable; the laser adjusting bracket comprises a fixed bracket body and a swinging bracket body, and the swinging bracket body is arranged in the fixed bracket body and is connected with the fixed bracket body through two horizontal rotating shafts; wherein one horizontal rotating shaft is sleeved with a rocking handle, and the rocking handle is in threaded connection with a first fastening screw capable of jacking the horizontal rotating shaft in the radial direction. An adjusting screw rod and an elastic telescopic rod are arranged on the fixed frame body, and the handle part of the rocking handle is positioned between the adjusting screw rod and the elastic telescopic rod; the hanging bracket has the height adjusting function, the laser adjusting support has the horizontal and vertical angle adjusting function, and the application range is wide.

The invention provides a flexible detection device and method for the direction of a drainage hole of a sliding rail sleeve. The device comprises a base, a transparent cover, a driving assembly, a rotating table, a loading and unloading assembly and a plug. The transparent cover is connected to the base and is provided with at least one tolerance ring pattern; the driving assembly is mounted on the base; the rotating table is connected to the output end of the driving assembly, and a plurality of loading and unloading assemblies are arranged on the rotating table in the circumferential direction; the plug is in threaded connection with the drain hole and provided with a laser pen, and the axis of the laser pen coincides with the axis of the drain hole. According to the invention, the plug with the laser pen is mounted in the drain pipe joint of the slide rail sleeve, so that visible laser indicating light replaces invisible drain hole pointing, and whether the drain hole pointing of the slide rail sleeve is qualified or out-of-tolerance degree is visually and quantitatively confirmed by combining a calibrated tolerance ring pattern of the drain hole pointing on the transparent cover; compared with an existing qualitative evaluation method of manual operation, the method is smaller in detection error and higher in efficiency.

The utility model belongs to the technical field of laser installation, and particularly relates to a side wall support for a multi-beam visible laser. Comprising a bearing support used for being fixed to a side wall, and a rotary seat is installed on a bearing platform of the bearing support; a laser adjusting bracket is mounted on the rotary seat; the laser adjusting bracket comprises a fixed bracket body and a swinging bracket body, and the swinging bracket body is arranged in the fixed bracket body and is connected with the fixed bracket body through two horizontal rotating shafts; wherein one horizontal rotating shaft is sleeved with a rocking handle, and the rocking handle is in threaded connection with a first fastening screw capable of jacking the horizontal rotating shaft in the radial direction. An adjusting screw rod and an elastic telescopic rod are arranged on the fixed frame body, and the handle part of the rocking handle is positioned between the adjusting screw rod and the elastic telescopic rod; a laser fixture is arranged on the swinging frame body; the device has horizontal and vertical angle adjustment functions, and horizontal and vertical angle adjustment has two modes of coarse adjustment and fine adjustment, so that the efficiency requirement and the precision requirement during laser installation are met at the same time.

The utility model relates to the technical field of photoelectronics, in particular to a multimode optical fiber coupling packaging visible light laser, which is characterized in that a TO tube seat assembled with a laser tube core, a low-temperature solder ring and a coaxial coupling jacket structural member are in interference pressing fit to form an assembly to be coupled, and low-temperature stepped reflow soldering is carried out to form a multi-mode optical fiber coupling packaging visible light laser. Inserting an optical fiber assembly comprising an optical fiber of which the front end face is a certain inclined angle or a wedge-shaped lens end face, a standard optical output interface connector, an optical fiber conical protective sleeve, a stainless steel tailstock and a ceramic ferrule into the front assembly to be coupled, and performing active coupling alignment through a high-precision coupling table under the condition that a laser is powered up; meanwhile, fine adjustment and locking are conducted through the fixing assembly, and then installation can be completed; in some low-cost application scenes, the technical problem that in the prior art, an optical fiber coupling packaging semiconductor visible light laser is obviously insufficient in the aspects of light beam quality, coupling efficiency, coupling packaging alignment and fixing is solved in the mode.

The invention discloses a perovskite two-dimensional nanosheet liquid crystal and a preparation method and application thereof, and belongs to the technical field of light-emitting and dimming liquid crystal materials. The perovskite two-dimensional nanosheet liquid crystal is formed by dispersing perovskite two-dimensional nanosheets in a non-polar solvent; wherein the composition of the perovskite two-dimensional nanosheet is (PEA) 2 (MnnPb1-n) (YmBr1-m) 4, Y is Cl or I, n is more than or equal to 0 and less than or equal to 0.6, and m is more than or equal to 0 and less than or equal to 1. The perovskite two-dimensional nanosheet liquid crystal can present an obvious liquid crystal phase, not only shows an adjustable light emitting color, but also has a magneto-optical effect, and has the capability of regulating and controlling the whole visible laser. Meanwhile, the perovskite two-dimensional nanosheet liquid crystal can be used for constructing a novel two-dimensional liquid crystal light modulator integrating magnetic control light emitting and dimming, and a new method and a new means are provided for light emitting polarization modulation.

The invention provides an overall light path adjusting device used in laser correlation, and belongs to the technical field of decorations, the forward and reverse rotation integrated water fetching device comprises a transmitting mechanism and a receiving mechanism, laser transmitted by the transmitting mechanism is received by the receiving mechanism, the transmitting mechanism comprises a transmitting end shell and a transmitting end mounting base, and the transmitting end shell is connected with the transmitting end mounting base. Laser holes are formed in the transmitting end shell at equal intervals, protective covers are installed on the laser holes, the movable plate is connected with a fixed plate through an adjusting mechanism, the adjusting mechanism comprises an adjusting bolt and an adjusting spring, a through hole is formed in the movable plate, the adjusting bolt is screwed into the through hole in a threaded mode, and a threaded hole is formed in the position, corresponding to the through hole, of the fixed plate. After the adjusting bolt penetrates through the threaded hole, the adjusting bolt is sleeved with the adjusting spring, so that the tail end of the adjusting bolt is in threaded connection with the through hole, and by means of the device, the base plate is rotated through a beam of visible laser to adjust all other lasers to the corresponding positions instantly.

1. The name of the product under this design: Laser Leveler (A8921). 2. Purpose of this design product: Used for laser leveling in construction, decoration and equipment installation, achieving height measurement and marking by projecting a visible laser beam. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a gas detection device and method, and belongs to the technical field of gas detection. The gas detection device comprises a detection light path module, a visible laser module, a signal detection module and a gas absorption cell module, according to the invention, through a first spectroscope of a detection light path module, visible laser and a detection light beam are spatially coaxial, and a coupled light beam is multiplexed to a single-hole coaxial-configuration Herriott cell for long-optical-path absorption; and the signal detection module is integrally packaged by a reference end and a detection end detector. An additional beam combining device and an independent light path are not needed, the alignment state of the light path can be directly observed through visible light, the conflict between system miniaturization and debugging convenience is solved by combining the stability of a single-hole structure, unification of high integration, high stability and convenient debugging is achieved, high sensitivity of trace gas detection is guaranteed, and the detection efficiency is improved. The method is suitable for portable equipment and industrial on-line monitoring scenes.

The invention discloses a computer closed-loop control method for 3C products based on multi-dimensional data analysis, and belongs to the technical field of computer control in the design industrial process. According to the method, intelligent control over automatic labeling of the 3C products is achieved through five steps. The method comprises the following steps: 1, obtaining a product specification and production line information, determining a labeling surface, and matching a 3C size by combining the size; 2, scanning and identifying a product labeling point based on specification information, driving a laser transmitter to project a visible laser frame, calibrating the labeling point in real time, and ensuring the position accuracy; 3, combining the position of the labeling point and production line information to obtain the necessary residence time of the product to guarantee the completion of the operation; fourthly, labeling is conducted within the staying duration, the single-time quality is detected in real time, and the success rate within the time period is counted at intervals and compared with a threshold value; fifthly, if the success rate is lower than a threshold value, the residence time is automatically optimized, and parameters are reconfigured; and if the parameters are higher than the threshold value, current parameter operation is kept, self-adaptive adjustment is achieved, and the efficient and high-quality labeling requirement is met.

A guiding and positioning device for assisting in computed tomography-guided needle biopsy (CT-GNB) includes a control mechanism and an actuating mechanism, where the actuating mechanism includes a base and a support frame; one of the two head ends of the support frame is provided with a locking mechanism; a positioning apparatus includes a first guide rail in an arc shape, and the first guide rail is slidably provided with a guiding apparatus configured to guide different puncture angles in a same plane; the guiding apparatus includes a deflection drive mechanism slidable along the first guide rail, and a first translation mechanism and a second translation mechanism that are arranged perpendicular to each other; and the second translation mechanism is slidably provided with a guiding mechanism configured to guide a puncture through a visible laser space.

The application discloses a 3C product computer closed-loop control method based on multi-dimensional data analysis, and relates to the technical field of industrial process computer control, which realizes intelligent control of automatic labeling of 3C products through five steps. In the first step, product instruction and production line information are acquired, a labeling surface is determined, and 3C size is matched in combination with the size; in the second step, product labeling points are scanned and recognized based on the instruction information, a visible laser frame is projected by driving a laser emitter, labeling points are calibrated in real time, and the position is ensured to be accurate; in the third step, necessary product residence time is obtained in combination with the labeling point position and the production line information, and operation completion is ensured; in the fourth step, labeling is performed within the residence time, single-time quality is detected in real time, success rate within an interval statistical period is calculated, and the success rate is compared with a threshold value; and in the fifth step, if the success rate is lower than the threshold value, the residence time is automatically optimized, and parameters are reconfigured; if the success rate is higher than the threshold value, current parameters are kept to run, adaptive adjustment is realized, and the demand for efficient and high-quality labeling is met.