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104 results about "Contact laser" patented technology

Photoelectric device layout structure for realizing duplex communication through non-contact laser slip ring and layout method thereof

The invention discloses a photoelectric device layout structure for realizing duplex communication by a non-contact laser slip ring and a layout method thereof, and relates to the technical field of laser slip rings. The non-contact laser slip ring comprises a stator and a rotor which are coaxially arranged and are not in contact with each other; photoelectric device groups with identical distribution modes are respectively arranged at the end parts, close to each other, of the stator and the rotor; the photoelectric device group comprises a plurality of lasers and photoelectric detectors which are distributed in the circumferential direction; the layout structure of the photoelectric device group comprises a single photoelectric detector layout structure and a multi-photoelectric detector layout structure; the single photoelectric detector layout structure ensures that a single detector can continuously and stably receive signals through densely arranged lasers; on the basis of a single photoelectric detector layout structure, the multi-photoelectric detector layout structure reduces the dependence on the number of the lasers by increasing the number of the detectors, can reduce the probability of communication failure caused by the failure of the lasers, and can improve the reliability of the laser slip ring.
Owner:ANHUI LANXUAN PHOTOELECTRIC TECH CO LTD +1

Complex inner hole rapid detection method based on laser scanning

PendingCN121829354Aavoid scratchesAvoid probe wear problemsUsing optical meansTriangulationLaser scanning
The invention relates to the technical field of precision measurement and optical detection, and discloses a complex inner hole rapid detection method based on laser scanning. According to the method, full-automatic three-dimensional reconstruction of the special-shaped inner hole with the high depth-diameter ratio is achieved through cooperative movement of a rotating platform and an axial feeding laser measuring head in combination with triangulation method laser displacement sensing, multi-source data fusion and an environment compensation mechanism. According to the invention, a traditional contact type measuring means is abandoned, and a non-contact laser scanning technology is adopted, so that the problem of workpiece surface scratch or measuring head wear caused by physical contact is avoided; through cooperative movement of the rotating platform and the linear feeding mechanism, full-circumferential and full-depth coverage scanning of a complex inner hole is achieved, and the limitation that only discrete points or local information can be obtained through an existing method is solved.
Owner:NANYANG NORMAL UNIV

Crystal cutting positioning system and method based on three-laser orthogonal distance measurement and tangent solution

The invention discloses a crystal cutting positioning system and method based on three-laser orthogonal distance measurement and tangent calculation, and belongs to the field of precision machining of semiconductor crystal materials. The main structure of the system is as follows: three orthogonally arranged laser range finders are arranged on an objective table facing a crystal; a posture adjusting device is arranged below the objective table and used for adjusting the yaw angle and the pitch angle of the crystal. And the data processing module is used for receiving distance signals of the three laser range finders and calculating a yaw angle and a pitch angle of the crystal according to a tangent function relationship. According to the method, laser ranging micron-order resolution and fixed baseline geometric constraint are utilized, and the deviation of the yaw angle and the pitch angle is accurately quantified in combination with tangent function solution, so that coupling deviation decoupling is realized. And non-contact laser measurement is adopted, so that hard and brittle crystal damage is avoided. Laser sensing, high-speed processing and precise executing mechanisms are integrated, full-automatic rapid calibration is achieved, and the cutting preparation efficiency is improved. A real-time closed-loop control mechanism actively maintains the position and posture of the crystal before machining and / or during machining, dynamic interference is overcome, and the cutting quality stability is ensured.
Owner:HANGZHOU FUJIA GALLIUM TECH CO LTD

Buffering, scribing and marking module

PendingCN122442152AMarking outContact laser
The application discloses a buffer carving and marking module, which comprises supporting plates, the supporting plates are in parallel state and are provided with a plurality of supporting protrusions, a moving guide rail, a base, a mounting frame, a laser marking head and electromagnetic adsorption blocks, the moving guide rail is arranged on one side of the supporting plate, the base is slidably arranged on the moving guide rail, the mounting frame is arranged on the base, the laser marking head and the electromagnetic adsorption blocks are arranged on the mounting frame, the number of the electromagnetic adsorption blocks is not less than two, the adjacent two electromagnetic adsorption blocks are not in contact, and the laser marking head is located between the two electromagnetic adsorption blocks. The module has the following beneficial effects: the probability of relative shaking between the angle steel and the laser marking head is low during the marking process, and the shaking amplitude is small when the relative shaking occurs, so that the printed mark on the angle steel is clearer.
Owner:ZHEJIANG SHENGDA STEEL TOWER CO LTD

A photoelectric device layout structure and a layout method thereof for realizing duplex communication by a non-contact laser slip ring

The application discloses a kind of non-contact laser slip ring to realize duplex communication photoelectric device layout structure and its layout method, it is related to laser slip ring technical field, non-contact laser slip ring includes stator and rotor coaxially arranged and mutually not contact, the end of stator and rotor mutually close is respectively equipped with the photoelectric device group of same distribution mode;Photoelectric device group includes the circumferential distribution of several laser and photoelectric detector;The layout structure of photoelectric device group includes single photoelectric detector layout structure and multiple photoelectric detector layout structure;Wherein, single photoelectric detector layout structure is ensured by densely arranging laser that single detector can continuously, stably receive signal;Multiple photoelectric detector layout structure is on the basis of single photoelectric detector layout structure, by increasing the number of detector to reduce the dependence on the number of laser, the probability that communication fails due to laser failure can be reduced, so that the reliability of laser slip ring can be improved.
Owner:ANHUI LANXUAN PHOTOELECTRIC TECH CO LTD +1

A laser chip with improved reliability and a preparation process thereof

The application provides a laser chip with improved reliability and a preparation process thereof, and aims to solve the technical problem that an edge-emitting laser is prone to end face failure.The laser chip comprises a substrate, the back surface of the substrate is provided with an N electrode, the front surface of the substrate is provided with an epitaxial material, the top layer of the epitaxial material is an ohmic contact layer, the epitaxial material is provided with a waveguide, and the vicinity of the waveguide is a waveguide region; an insulating medium layer is arranged on the surface of the epitaxial material, the waveguide region and the insulating medium layer are provided with a P electrode, but the ohmic contact layer in the waveguide region is not provided with the insulating medium layer, and the P electrode is in contact with the ohmic contact layer; the end surface of the laser chip is provided with an electrode-free area, and the electrode-free area is not provided with the insulating medium layer and the P electrode above the electrode-free area.The application further comprises a preparation method of the laser chip.The electrode-free area is arranged on the end surface of the laser, and the electrode-free area can improve the COD threshold level and improve the reliability.
Owner:HENAN SHIJIA PHOTONS TECH

Wafer polishing laser interference closed loop pressure control method

The application discloses a wafer polishing laser interference closed-loop pressure control method, and relates to the technical field of semiconductor manufacturing, and comprises the following steps: S1: a ceramic plate is triggered to automatically measure a program after being turned over with a wafer; S2: a laser interference measurement head is driven by a six-axis mechanical arm positioning system to non-contact scan T2 / T4 points of the wafer, and thickness distribution data is acquired; S3: a Zernike polynomial is adopted to fit the thickness distribution data to generate a three-dimensional distribution graph, and a pressure correction amount is calculated based on a pressure prediction model constructed by a process kinetics model and a support vector machine regression algorithm; S4: an abnormal processing module is used to detect data outliers in real time, and a device protection strategy is triggered when a deviation exceeds a set threshold; and S5: a pressure control instruction is transmitted to a polishing head by a PLC controller through a PROFINET bus. By means of non-contact laser interference measurement, the laser interference technology is applied to wafer thickness detection after polishing for the first time, and single measurement time is less than 20 seconds, so that the detection efficiency is significantly improved.
Owner:SHANGHAI SEMICON WAFER TECH CO LTD

Battery pole piece laser separation device and method

The invention relates to the technical field of waste lithium battery recycling, in particular to a battery pole piece laser separation device and method. The laser processing device is provided with a tensioning and unfolding mechanism and a multi-axis laser control mechanism, the tensioning and unfolding mechanism forms a compression roller clamping cavity through compression roller feeding assemblies at the two ends of a rack, and the double clamping cavities synchronously clamp the unwound battery pole piece, so that the battery pole piece is kept tensioned in a laser processing area; and the latter drives the laser to move in a three-dimensional space according to a predetermined route by a mobile end with the laser, and the electrode material and the current collector are separated in a non-contact laser lift-off mode. Dust pollution caused by physical grinding is avoided from the source, mechanical contact is avoided, a current collector cannot be damaged, machining precision is guaranteed through pole piece tensioning, efficient stripping of an electrode material is achieved through laser precise energy control, precise recycling of the material can be achieved in cooperation with sorting, the recycling purity and value are improved, the green and clean production requirement is met, and the device is suitable for large-scale recycling operation.
Owner:HEFEI UNIV OF TECH

Assembling device and assembling method of elastic electric connecting piece and elastic electric connecting assembly

The invention discloses an assembling device and an assembling method of an elastic electric connecting piece and an elastic electric connecting assembly, the assembling device of the elastic electric connecting piece is used for assembling the elastic electric connecting piece to a substrate, and the assembling device of the elastic electric connecting piece comprises a welding agent which is coated between a bonding pad of the elastic electric connecting piece and a bonding pad of the substrate; the cover plate is arranged above the elastic electric connecting piece, so that the elastic electric connecting piece is in close contact with the substrate through the welding agent; the laser emitter is arranged above the cover plate, and a laser light path emitted by the laser emitter penetrates through the cover plate and the elastic electric connecting piece to reach the welding agent, so that the welding agent forms a welding spot; according to the scheme, the gaps between the elastic electric connecting pieces and the substrate are small enough, and the gaps between the elastic electric connecting pieces and the substrate are consistent, so that the consistency of product precision and height is improved.
Owner:GALAXYCORE SHANGHAI

Non-contact laser testing method for acoustic emission of ceramic matrix composite material in extreme thermal environment

The invention provides a non-contact laser testing method for acoustic emission of a ceramic-based composite material in an extreme thermal environment, and relates to the technical field of nondestructive testing, the non-contact laser testing method comprises the following steps: S1, preparing a glass bead composite coating, and coating the surface of a composite material test piece with the glass bead composite coating; s2, building a non-contact monitoring system; s3, carrying out a thermal coupling experiment and signal acquisition; and S4, performing multi-stage noise reduction processing on the non-contact signal. According to the method, the surface of the composite material test piece is coated with the quartz glass beads, and the laser reflectivity of the surface of the ceramic-based composite material can be improved to 60% or above from 10% or below in an environment of 1500 DEG C by utilizing the directional regression reflection characteristic of the quartz glass beads, so that the amplitude of a laser vibration measurement signal is remarkably enhanced. And meanwhile, aiming at the characteristics that the noise of the laser vibration meter is large and the noise is nonlinearly increased along with the frequency and the like, the signal noise level can be effectively reduced and the characterization capability of the acoustic emission waveform can be improved through median filtering, least square smoothing filtering, self-correlation filtering and other methods.
Owner:BEIHANG UNIV

Ultraviolet irradiation crosslinking device

The utility model relates to an ultraviolet light irradiation crosslinking device, which comprises a shaft tube, the cable core enters the ultraviolet light irradiation equipment at a set speed, the ultraviolet light irradiation crosslinking devices at the two ends are synchronously started, the laser pen emits high-precision light beams, the actual position of the cable core is monitored in real time, data are fed back to the control system, the laser pen continuously scans the surface of the cable core, and if deviation or shaking is detected, the system immediately triggers response. Non-contact laser detection avoids friction loss of a traditional mechanical guide wheel, the service life of equipment is prolonged, and meanwhile the risk that the surface of a wire core is scratched is reduced. When wire cores with different wire diameters are replaced, the driving piece drives the rotating ring to rotate, the arc-shaped sliding way on the rotating ring pushes the guide rod and the guide block to slide along the inclined sliding way of the ring shell, the guide block drives the support and the laser pen to synchronously get away from or get close to the wire cores, the laser irradiation angle and range are dynamically adjusted, and it is ensured that the irradiation path is accurate. And the distance between the laser pen and the wire core is adjusted to ensure uniform distribution of irradiation energy and reduce the cross-linking degree difference.
Owner:HONGOU ELECTRIC POWER TECHNOLOGY CO LTD

Laser therapy for treatment and prevention of eye diseases

An ab externo automated laser treatment system for treating an eye in a subject, includes a non-contact laser source configured to generate a laser beam having at least one wavelength to treat the eye by directing the laser beam from a location spaced from the eye, wherein the at least one wavelength is a near-infrared wavelength in the range of about 0.5-2.2 μm, a laser scanner optically coupled to the non-contact laser source to receive the laser beam from the non-contact laser source and to scan the laser beam relative to the eye, and a processor, and memory including stored computer-readable instructions that, responsive to execution by the processor, cause the laser treatment system to direct the laser beam to a plurality of trans-scleral treatment locations to be irradiated in a predetermined treatment pattern on an external surface of the eye, wherein the trans-scleral treatment locations are 0-4 mm posterior to the corneolimbal junction, and wherein the laser beam is repetitively directed to the same irradiated trans-scleral treatment locations on the surface of the eye, and the trans-scleral treatment locations are irradiated at intervals sufficient to induce protective thermal preconditioning and therapeutic bio-stimulation of one or more of the trabecular meshwork and / or ciliary body without photocoagulation of the tissue of the eye. Trans-pupillary systems, patient interfaces, and methods are also disclosed.
Owner:ALEYEGN TECH LLC

Method and system for high precision alignment and transfer of micro devices in optoelectronic manufacturing

An advanced method for manufacturing an optoelectronic system array is disclosed in which micro-devices are developed separately and then transferred into a system substrate. Various embodiments are disclosed, including distributed sacrificial reference points, real-time monitoring with various sensing techniques, laser generated alignment marks, non-contact laser triangulation, and marking using polymers to dynamically estimate and correct alignment during each transfer phase. The invention further discloses a method for detecting and correcting errors caused by wear, environmental changes, load variability and mechanical vibrations, which may be AI-based. Generally, the system for pre-transfer calibration, monitoring, error detection, and compensatory adjustment enables precise and reliable integration of micro-devices into optoelectronic systems, thereby significantly enhancing alignment accuracy, stability, and reliability throughout the manufacturing process. The system may further be AI-based calibration verification in a micro device transfer system.
Owner:VUEREAL INC

Laser cleaning device for insulator hardware

The utility model relates to the technical field of insulator processing, in particular to a laser cleaning device for insulator hardware, which comprises a workbench, a rotating mechanism and a laser cleaning mechanism. The rotating mechanism comprises a base, a rotating assembly and a bearing assembly, the rotating assembly and the bearing assembly are arranged on the base, the bearing assembly is used for supporting the hardware fitting, and the rotating assembly is used for driving the hardware fitting on the bearing assembly to rotate; the laser cleaning mechanism comprises a first laser cleaning assembly and a second laser cleaning assembly, the first laser cleaning assembly is used for conducting laser cleaning treatment on the surface of the hardware fitting, and the second laser cleaning assembly is used for conducting laser cleaning treatment on the section of the hardware fitting. The hardware fitting laser cleaning device is novel in structure, it is guaranteed that hardware fittings can make full contact with laser beams during laser cleaning, the cleaning effect of the surface and the cleaning effect of the section are consistent, the consistency and efficiency of hardware fitting treatment are improved, the traditional polishing technology is replaced with the laser technology, and the problems that surface treatment is not uniform, chemical residues exist, and bonding is poor are solved.
Owner:DONGGUAN GAONENG IND CO LTD

Laser engraving machine for air conditioner panel

The utility model discloses an air conditioner panel laser engraving machine, which relates to the air conditioner panel processing field, and comprises an equipment rack and a laser head, the bottom of one side of the equipment rack close to the laser head is provided with a communicating pipe, the tail end of the communicating pipe is provided with a blocking ring, the bottom of the blocking ring is provided with a through hole, and the bottom of the communicating pipe is provided with a collecting pipe; reinforcing ribs are arranged on the surface of the collecting pipe, a receding groove is formed in the tail end of the collecting pipe, a resistance baffle is arranged on the side, close to the communicating pipe, of the blocking ring, smoke close to the laser head is absorbed through the blocking ring, and due to the limitation of the communicating pipe and the resistance baffle in the blocking ring, gas flow is limited, and therefore when the communicating pipe generates suction force, the smoke can be absorbed. The suction force generated by the collecting pipe is larger than that generated by the blocking ring, it is guaranteed that the collecting pipe can rapidly and effectively absorb smoke generated at the machining position, meanwhile, the smoke pervading in the air can be sucked by the blocking ring when approaching the laser head, and it is guaranteed that the smoke cannot make contact with the laser head and components in the laser head to cause pollution damage.
Owner:ANHUI JIAHUIKAI INTELLIGENT TECH CO LTD

Asphalt pavement structure layer detection system and method

The present application discloses an asphalt pavement structure layer detection system and method, and belongs to the technical field of pavement quality evaluation, and aims to improve the asphalt pavement quality analysis efficiency and improve the evaluation accuracy.The system comprises a detection vehicle and multiple functional modules arranged on the detection vehicle, and the multiple functional modules comprise a laser vibration impact module, a laser acquisition module, a control module, a signal processing module, a vehicle positioning module, a mobile platform, a power supply module, an environment monitoring module, a pavement characteristic sensing module and a human-computer interaction module.The system adopts a non-contact laser vibration impact-acquisition core architecture, integrates environment self-adaptive adjustment, pavement characteristic matching and disease accurate grading functions, realizes continuous, high-precision and automatic detection of typical diseases such as asphalt pavement structure layer cracks, voids, looseness and poor interlayer bonding, and solves the technical problems of environment interference, pavement flatness difference and multi-layer disease coupling identification in actual detection.
Owner:SHANDONG TRANSPORTATION INST +1

Automatic speed regulating mechanism of tire cord laminating machine and control system thereof

PendingCN122353969AControl engineeringMachine
This invention relates to an automatic speed control mechanism and its control system for a tire cord bonding machine, belonging to the field of intelligent control system technology. It includes a multi-dimensional sensing unit, a core control unit, and a drive execution unit. This invention directly acquires the true linear velocity of the material surface using a non-contact laser Doppler velocimeter, effectively solving the problem of linear velocity acquisition distortion caused by mechanical slippage, transmission gaps, and material deformation in traditional encoder feedback modes. Simultaneously, it utilizes an elastic modulus database to classify and compensate for gains in different materials, overcoming the drawback of a single speed control model being unable to accommodate the physical properties of multiple materials. This significantly improves the equipment's compatibility with complex formulations. Furthermore, by establishing a temperature-viscoelastic mapping model, it corrects in real-time errors in rubber softening and elongation caused by environmental temperature differences or mechanical heating. By calculating and predicting the difference, it pre-adjusts instructions, offsetting the inherent delays in communication, computation, and mechanical execution.
Owner:FUJIAN JIANYANG LUNG CHEUNG DEV CO LTD

Electric vehicle switch contact laser welding device

The application discloses a kind of electric vehicle switch contact laser welding device, more particularly to electric vehicle processing technical field, including base and top frame, the top end side of the base is equipped with material setting mechanism, first vertical frame is fixedly installed in the side of material setting mechanism close to the bottom end of the top frame, the bottom end of the first vertical frame is fixedly installed with welding mechanism, the side of the base top end close to welding mechanism is equipped with transmission equipment, the side of the bottom end of the top frame away from the first vertical frame is fixedly installed with second vertical frame, the electric vehicle switch contact platform is positioned transmission by being equipped with material setting mechanism, cooperate and use welding mechanism to carry out laser welding and glue sealing protection to welding position, improve the waterproof, chemical corrosion resistance of electric vehicle switch contact platform and electrical wiring welding position, reduce electric vehicle switch contact platform and electrical wiring welding position damage, improve the use effect of subsequent entire electric vehicle switch.
Owner:CHANGZHOU CHANGMA IND CO LTD

Non-contact laser ultrasonic internal defect detection method and system for high-entropy alloy

This invention discloses a non-contact laser-ultrasound method and system for detecting internal defects in high-entropy alloys. The method first pre-treats the surface of the high-entropy alloy sample, then adaptively adjusts the laser pulse parameters according to the thermal conductivity characteristics of the high-entropy alloy to excite internal ultrasonic waves via thermoelastic effects. After non-contact signal reception using a laser interferometer, signal pre-processing is performed using a wavelet packet transform and principal component analysis fusion algorithm. Defect features are then extracted using a local outlier factor and support vector machine fusion algorithm to distinguish between defects and lattice distortion interference signals. Defect parameters are analyzed using an improved ultrasonic propagation model, combining mechanical parameters and lattice distortion coefficients. Finally, cross-validation and error correction ensure detection accuracy. The system comprises seven modules, including sample pre-processing, laser excitation, and ultrasonic reception, with a main control module coordinating the collaborative work of each module. This invention achieves non-contact detection, improving detection adaptability and accuracy, and enabling automated batch online detection.
Owner:INNER MONGOLIA UNIV OF SCI & TECH

A casting process and equipment for long and eccentric sleeve metal castings

The application discloses a kind of long eccentric sleeve metal castings pouring process and equipment, it is related to metal casting pouring technical field, the core dynamic support and positioning include: before starting servo adjusting type multi-point support arm, 2 groups are set to each side 8 groups of support arm, distribution is in core upstream and downstream and symmetrical position;Real-time displacement amount of core is detected using non-contact laser displacement sensor, data is transmitted to PLC system in real time;When detecting that core displacement deviation exceeds ±0.05mm, PLC automatically adjusts support arm lifting and clamping, realizes core locking positioning.The application realizes real-time online locking core center position function by designing dynamic core support positioning, solves the problem of core deviation and fracture, improves the size precision of casting.
Owner:莎特卡科技(江苏)有限公司

Contact laser scalpel facilitating speed control

The application discloses a contact type laser scalpel convenient for speed control, and relates to the technical field of laser scalpel, which comprises a joint, a scalpel head arranged at the bottom end of the joint, and support assemblies symmetrically arranged on the two sides of the scalpel head; the support assembly comprises a spreading part, the spreading part is arranged in an inclined mode, the distance between the two spreading parts gradually decreases in the vertical upward direction, and the top end of the spreading part is hinged to the joint; the bottom end of the spreading part is in contact with human tissue S, and when the scalpel head is pushed down, the bottom ends of the two spreading parts gradually move away to push the wrinkled human tissue S flat. Two inclined spreading parts are symmetrically arranged on the two sides of the scalpel head, when the scalpel head is pushed down, the downward movement of the scalpel head can drive the bottom ends of the two spreading parts to gradually move away, so that the wrinkled human tissue S can be pushed flat, the bleeding part buried in the wrinkles is exposed, hemostasis is facilitated, the whole hemostasis process is short, the speed can be conveniently controlled, and the actual hemostasis efficiency is improved.
Owner:JIANGXI MEDEX TECH CO LTD

Gantry non-contact laser tool setting gauge

The utility model relates to the technical field of laser tool setting gauges, and discloses a gantry non-contact laser tool setting gauge which comprises an installation frame, stand columns are installed on the two sides of the installation frame through detachable assemblies, installation bases are arranged at the top ends of the two stand columns, a laser transmitter and a laser receiver are installed on one sides of the two installation bases respectively, and the laser transmitter and the laser receiver are arranged on the other sides of the two installation bases respectively. The transmitting end of the laser generator corresponds to the receiving end of the laser receiver in position, a cleaning assembly is arranged on one of the stand columns, and a mounting assembly is arranged at the bottom of the mounting frame. Through the arrangement of the stand columns and the mounting frame, the stand columns and the mounting frame can be separately mounted during use, the mounting process is simplified, and the mounting efficiency is improved. The problems that in the prior art, the structure is difficult to adjust, and installation is inconvenient are solved.
Owner:HAMOO MEASUREMENT TECH (SUZHOU) CO LTD

A quantitative dosing system based on on-line thickness measurement technology

This invention provides a quantitative feeding system based on online thickness measurement technology. The system includes hardware components: an online thickness gauge, a data processing unit, an environmental monitoring device, and a feeding control device. The online thickness gauge is a non-contact laser thickness gauge used to measure the thickness of the supplied material in real time. The data processing unit includes an embedded microcontroller for receiving and processing thickness data, and performing data filtering and thickness correction. The environmental monitoring device includes a temperature and humidity sensor and a light intensity detector. This quantitative feeding system, through the integration of the non-contact laser thickness gauge, environmental monitoring device, and embedded microcontroller, enables real-time monitoring of material thickness and environmental parameters. Furthermore, by using data filtering and thickness correction, it eliminates the influence of environmental noise and improves measurement accuracy.
Owner:NANJING ZHONGYU FLOW TECHNOLOGY RESEARCH INSTITUTE CO LTD +1

Photovoltaic module welding equipment

The utility model discloses photovoltaic module welding equipment which comprises a feeding part, a carrying part, a welding part, a first bearing part and a second bearing part, the feeding part is used for providing a to-be-welded bus bar, the first bearing part is used for bearing the to-be-welded bus bar of a battery string group and enabling the to-be-welded bus bar part of the battery string group to protrude out of the first bearing part, and the second bearing part is used for carrying the to-be-welded bus bar of the battery string group; the second bearing part is used for bearing the part, protruding out of the first bearing part, of the battery string set, the carrying part is used for moving to the feeding part and picking up bus bars provided by the feeding part, the carrying part is further used for moving to the position above the second bearing part so that the picked-up bus bars can be tightly pressed on a plurality of welding strips of the battery string set, and a plurality of overlapping parts are formed among the welding strips; the welding part is used for carrying out laser welding on the bus bar of each pressed overlapped part and the corresponding welding strip, so that the bus bar is automatically welded on the welding strip at the end part of the battery string group, and the working efficiency is high; and a non-contact laser welding mode is adopted, so that the welding efficiency is high, the welding precision is high, and the flexibility is good.
Owner:WUXI AUTOWELL TECH

Vibration measurement system for end coil of generator

The invention discloses a vibration measurement system for an end coil of a generator, and particularly relates to the technical field of driving mechanical state monitoring, comprising a measurement point planning module which divides an end coil monitoring area into a plurality of logic measurement point units according to a three-dimensional model of an end structure of the generator and electromagnetic field simulation data, each unit accurately corresponds to a nose end, a bevel edge and a linear segment key part of the coil; a non-contact laser vibration meter and a micro inertial sensing unit are adopted to form a hybrid sensing network; according to the method, a multi-source information fusion model of mechanical vibration, an electromagnetic field, thermodynamics and working condition data is constructed, dynamic correlation analysis is carried out on vibration characteristics, mechanical energy, load current and temperature parameters, three-dimensional evaluation of the health state of the end coil is achieved, and systematic improvement from single data monitoring to comprehensive diagnosis decision is achieved.
Owner:DATANG FUZHOU SECOND POWER GENERATION CO LTD

Locating device for partial discharge of switch cabinet and detection method thereof

The invention discloses a switch cabinet partial discharge positioning device and a detection method thereof. The switch cabinet partial discharge positioning device comprises a mobile bearing mechanism, a multi-dimensional adjusting mechanism, a multi-sensing fusion detection head, a non-contact distance measurement module and a detection analysis unit. According to the invention, the UHF sensor and the AE sensor are fused, a deep learning algorithm is combined, field electromagnetic and acoustic interference is effectively eliminated through electro-acoustic joint judgment, and the anti-interference capability is high; meanwhile, non-contact laser ranging is combined, so that the equipment falling risk and potential safety hazards caused by contact type detection are thoroughly eliminated, and the safety is high; meanwhile, the partial discharge position can be accurately obtained by calculating the signal receiving time delay of the ultrasonic sensors, so that maintenance personnel can maintain the corresponding position conveniently, the maintenance efficiency is improved, accurate positioning can be achieved through the positioning mode without a plurality of accurate ultrasonic sensors, and the positioning accuracy is improved. And the effect of saving equipment cost is achieved, and good application and popularization value is achieved.
Owner:GAOTANG COUNTRY POWER SUPPLY BUREAU OF STATE GRID SHANDONG ELECTRIC POWER CO +3

A barrel mouth misalignment measuring device and method

ActiveCN121783010BErbium lasersContact laser
The application provides a cylinder mouth misalignment measuring device and method. The cylinder mouth misalignment measuring device comprises a roller, a radial track, a radial trolley, a measuring emission mechanism, an axial track, an axial trolley, a measuring receiving mechanism and a control console. The radial trolley at the end of the cylinder drives the radial movement of the measuring emission mechanism, and the laser thereon is used to establish a first reference. The axial trolley at the side of the cylinder drives the axial movement of the measuring receiving mechanism along the cylinder, and the target mirror thereon cooperates with the laser to establish a second reference. The laser collimation and the photoelectric target mirror sensing are combined to replace manual visual measurement and caliper measurement. The control console calculates the mouth misalignment amount according to the difference between the two references and the theoretical value of the cylinder. The device is suitable for different specifications of cylinders through modular tracks and adjustable mechanisms, and realizes high-precision, automatic and continuous measurement of the mouth misalignment amount of the cylinder through the combination of non-contact laser measurement and mechanical contact, thereby effectively improving the detection efficiency and accuracy.
Owner:LIAONING YUANCHUANG PETROCHEMICAL TECH CO LTD

Device and method for measuring alignment and misalignment of barrel

The invention provides a device and a method for measuring alignment and misalignment of a barrel. The invention discloses a device for measuring alignment and misalignment of a barrel, which comprises a carrier roller, a radial track, a radial pulley, a measurement transmitting mechanism, an axial track, an axial pulley, a measurement receiving mechanism and a console, a radial pulley at the end part of the cylinder drives the measurement emission mechanism to move radially, and a laser on the radial pulley is used for establishing a first reference; the axial pulley on the side portion of the cylinder drives the measurement receiving mechanism to move axially along the cylinder, and the target mirror on the measurement receiving mechanism is matched with the laser to establish a second reference. The mode of combining laser collimation and photoelectric target lens induction is adopted to replace manual visual observation and caliper measurement. And the console calculates the butt joint alignment tolerance according to the difference between the two references and the theoretical value of the barrel. The device adapts to cylinders of different specifications through the modularized track and the adjustable mechanism, realizes high-precision, automatic and continuous measurement of the alignment tolerance of the opening side of the cylinder by adopting a mode of combining non-contact laser measurement and mechanical contact, and effectively improves the detection efficiency and accuracy.
Owner:LIAONING YUANCHUANG PETROCHEMICAL TECH CO LTD