290 results about "Rotary encoder" patented technology

The invention belongs to the technical field of quasi-zero stiffness vibration isolators, and particularly discloses a self-adaptive adjustment quasi-zero stiffness vibration isolator and a control method. Comprising a base and a bearing plate, and a plurality of positive stiffness units are arranged between the base and the bearing plate to provide basic support; the negative stiffness unit is arranged below the bearing plate, the two ends of the negative stiffness unit are connected with the adjusting structure through the moving unit capable of moving in the length direction of the driving unit, the adjusting structure is composed of a lead screw and an adjusting motor, the projection length of the negative stiffness unit in the horizontal direction can be changed, and therefore continuous adjustment of the negative stiffness is achieved. The vibration isolator is further provided with an acceleration sensor, a relative displacement sensor and a rotary encoder, and the sensors are connected with a processing unit to form a real-time monitoring and feedback control system. The low-frequency vibration isolation device can keep stable low-frequency vibration isolation performance under the condition change, and is suitable for high-precision equipment and complex industrial vibration environments.

The invention discloses a compact five-degree-of-freedom teleoperation hand of a series-parallel structure and a control mapping method of the compact five-degree-of-freedom teleoperation hand. The teleoperation hand comprises a base, a wire guiding device, a fixing sleeve, a rotary encoder, a driving arm, a spherical hinge butt joint device, a driven arm, a torsional spring, a movable platform, a front-end operation series connection platform and two angular displacement sensors. The rotary encoder is fixed to the wire guiding device through the fixing sleeve and used for measuring the rotation angle of the driving arm in real time. One end of the driving arm is fixedly connected with a rotor of the rotary encoder, and the other end of the driving arm is hinged with one end of the driven arm; the other end of the driven arm is hinged to the movable platform, and the two angular displacement sensors are used for measuring the pitch angle and the yaw angle of a handle of the front-end operation series platform. The front-end operation series platform is hinged to the movable platform and used for adjusting the posture of the teleoperation hand. The device is simple and compact in structure, low in cost and small in size; through combination of series connection and parallel connection, the rigidity requirement is guaranteed, and meanwhile the flexibility of the device is guaranteed.

The smart torque simulation device includes: a bracket; a shaft center; a winding wheel which having a winding wheel spinning encoder; an outer flywheel which an outer flywheel spinning encoder, the winding wheel and the outer flywheel are relatively coupled with a magnetic plate and a magnet; an inner flywheel with a field magnet, the inner flywheel has a power transmission relationship with the outer flywheel; a coil set, having a coil fixing frame which has an armature coil, and the armature coil is coupled to the field magnet of the inner flywheel, the armature coil has an electric current regulator; and a control system, receiving a winding wheel spinning data from the winding wheel spinning encoder and receiving an outer flywheel spinning data from the outer flywheel spinning encoder, and then sending an armature electric current control data to the electric current regulator.

The present application relates to the technical field of road engineering, and aims to provide a calibration device for asphalt penetrometer, which comprises a processor, a display, a mounting bracket mounted on the head of the penetrometer, and a calibration mechanism arranged on the mounting bracket; the calibration mechanism is provided with a swing rod, a contact rod is arranged on the swing rod and rotationally matched with the swing rod, and the rod shaft of the contact rod is connected with the input end of a rotary encoder; the swing rod can swing under its own gravity and drive the contact rod to abut against the side wall of the needle connecting rod of the penetrometer to form contact with the needle connecting rod; the rotary encoder is electrically connected with the processor, and the processor is electrically connected with the display. The present application can assist the operator to quickly and efficiently calibrate the penetrometer, is convenient to use, can be adapted to various types of penetrometers, and has good universality.

Sheet-fed rotary printing press with at least one directly driven cylinder mounted in the machine frame (11) of the sheet-fed printing press, the longitudinal axis of which is radially displaceable relative to the machine frame (11) by a predefinable amount and which has a cylinder journal to which a rotary encoder comprising a rotor and stator is assigned, wherein the rotor is assigned to the cylinder journal and the stator to the machine frame (11), such that an elastic coupling element is provided between the stator and the machine frame (11), characterized in that the elastic coupling element allows a radial deflection by at least the amount of the change in position of the cylinder.

The present invention relates to a measuring device (1), in particular for a commercial vehicle (40), for determining a measured quantity (α), in particular an angle of rotation, between a first rotating partner (10) and a second rotating partner (30). The measuring device (1) comprises a rotary encoder (12) and a wheel (14). The rotary encoder (12) has a rotatable longitudinally extending axle element (13) to which the wheel (14) can be attached and / or fixed, in particular at a distal end. The wheel (14) is designed to roll on a complementary running surface (16). The rotary encoder (12) and / or the axis element (13) are fixed relative to the first rotating partner (10), wherein the complementary running surface (16) is fixed to the second rotating partner (30), and wherein the complementary running surface (16) is rotatably mounted about a center of rotation (Z) relative to the rotary encoder (12) and / or the axis element (13).The present invention further comprises a coupling system, a commercial vehicle (40) with a measuring device (1), a method for manufacturing a measuring device (1), and a method for determining a measured quantity (α).

The application provides a crane group boom anti-collision early warning method and system based on digital twinning, which comprises the following steps: based on the data collected by a rotary encoder, an angle sensor, an inertial measurement unit, a laser radar and a ship body attitude measuring device, a dynamic three-dimensional digital twinning model is constructed and updated in real time; in the model, real-time path planning is performed on each crane boom, the spatial interference risk with the bulkhead, hatch coaming and other booms is evaluated, and a collision-free optimal action path is generated; the path nodes are dynamically risk evaluated, the minimum distance, relative speed, motion direction angle and ship body swing disturbance are comprehensively considered, and a collision risk score is generated; according to the score, hierarchical intervention control is implemented, the collision is avoided, and the attitude stability of the suspended goods is maintained. The application realizes the safety early warning and intelligent regulation and control of multi-machine cooperative operation under high dynamic sea conditions, and effectively improves the operation efficiency and safety.

A mounting includes rotating the rotor and acquiring an amount of eccentricity, an eccentric direction, an amount of tilt, and a direction of tilt of the rotor with respect to a device rotation axis, an amount of eccentricity, an eccentric direction, an amount of tilt, and a direction of tilt of the stator with respect to the device rotation axis, based on the detection value detected by the detection head provided on the stator, moving the stator with respect to the device rotation axis so that the amount of eccentric of the stator is within the allowable range, and moving the stator so that the distance between the stator and the rotor at a position where the rotor is attached to the device body, and the amount of tilt and the direction of tilt with respect to the device rotation axis are within the allowable range.

The invention discloses a load self-adaptive waste gas torch ignition device and a control system, relates to the technical field of torch ignition devices, and is mainly used for coping with combustible waste gas load fluctuation scenes in the industrial production process, realizing stable and efficient combustion of waste gas and avoiding resource waste and environmental pollution. Specific to a gas inlet mode in a high-pressure / low-pressure gas channel, self-adaptive actions are performed according to gas pressure fluctuation, and the actions comprise that a rotary encoder of an action fine adjustment assembly indirectly feeds back gas flow of the low-pressure / high-pressure gas channel by detecting the rotating speed of a transmission rod and combines initial gas pressure, a waste gas pressure change value and gas flow data, so that the gas flow is adjusted. The micro-drive motor is controlled to drive the transmission rod to rotate, the first transfer gas sheet drives the high-pressure gas channel forward / reverse gas sheet to rotate directionally, the overlap ratio of eccentric gas ports of the gas sheets is changed, the higher the overlap ratio is, the smaller the gas flow resistance is, the higher the gas pressure is, and otherwise, the smaller the gas pressure is, precise adjustment of the gas pressure of the high-pressure gas channel is achieved, and waste gas load changes are adapted.

A surveying apparatus comprising at least one rotary encoder, wherein the rotary encoder is used to adjust a focus of a lens position or an alignment of an optical system to a target point, in particular a fine adjustment, wherein the rotary encoder, in addition to a rotation function, includes at least one selection function which allows device settings or device functions to be selected.

The present application belongs to the technical field of tobacco conveying, and particularly relates to a tobacco conveying belt blockage diagnosis and unblocking system, which comprises front-to-back direction installed tobacco conveying belts and left-to-right direction installed tobacco conveying belts, and a rotary encoder is installed at the end of the main drive shaft of each tobacco conveying belt; a camera is installed directly above the front-to-back direction installed tobacco conveying belts, and multiple groups of tobacco height detectors are installed on both sides of the height direction of the feeding port of the left-to-right direction installed tobacco conveying belts; a tobacco conveying groove is installed at the joint of the two tobacco conveying belts, and a pneumatic unblocking device is installed in the tobacco conveying groove. The door type motion trajectory design of the pushing system does not affect the flow of the subsequent tobacco, the whole system control is accurate and convenient, and manual operation is not required, thereby improving the work efficiency and reducing the labor intensity.

The present application relates to a kind of cable crane and tower crane anti-collision system, comprising: big dipper positioning receiver, rotary encoder, controller and alarm device. Big dipper positioning receiver is installed on cable crane trolley. Rotary encoder is installed on tower crane. Big dipper positioning receiver is used to position cable crane trolley, and encoder is used to collect the rotation angle of tower crane;Big dipper positioning system and rotary encoder are respectively with the data interaction of controller. Alarm device is connected with controller. The cable crane and tower crane anti-collision system, after the data obtained from big dipper positioning receiver and rotary encoder are processed by controller, the position of tower crane can be monitored in real time, and alarm is given when tower crane approaches cable crane, to prevent serious safety accidents.

The invention discloses a stator and rotor produced by a winding process and automatic equipment thereof, and relates to the technical field of stator and rotor processing, the stator and rotor comprises a feeding module, a control console and a feeding tensioning module mounted on the surface of the control console, and the outer surface of the control console is also provided with a winding mechanism. Blowing equipment, a sliding table, a linear encoder and a rotary encoder in the ventilation part interact, the stacking thickness of the silicon steel strip can be dynamically calculated through a control system according to the number of winding turns monitored by the rotary encoder, and the sliding table is driven to carry a blowing pipe to accurately move along the outer contour of the silicon steel strip; the problem of heat accumulation caused by increase of the number of layers of the internal silicon steel strips and deterioration of heat dissipation conditions in the winding process is solved. Cooling air flow is precisely guided and focused on an inner layer area where heat dissipation is most difficult, and the problem that interlayer gaps are generated due to internal overheat expansion of the iron core is effectively solved.

This invention relates to the field of ferrous metallurgy technology and discloses a method for the reduction production of high-purity, low-oxygen-content sponge iron. The method includes: feeding pellets and reducing materials into a rotary kiln for preheating and forming a metallic iron shell on the surface; pulse-injecting a composite reducing liquid into a high-temperature solid-phase bed in a deep reduction zone; using a rotary encoder for feedback to perform dynamic phase-controlled injection, achieving gas-liquid linkage control and nitrogen cooling maintenance; and collecting the finished product through end-stage homogenization, cooling, and magnetic separation. Ammonia gas generated by the pyrolysis of the composite reducing liquid penetrates the metal layer for deep reduction, and a chemical shielding layer is constructed using boron-carbon bonds formed on the microporous surface of the iron matrix. This invention effectively improves the metallization rate of sponge iron, significantly inhibits secondary oxidation of the finished product during kiln exit and storage, and solves the technical problem of high and unstable residual oxygen content in sponge iron.

This utility model discloses a forced vibration fatigue testing device for thin metal sheets, belonging to the field of fatigue life testing technology for thin metal sheet materials. It addresses the problems of low vibration frequency, poor adaptability, and bulky structure in traditional testing devices. The device includes a trapezoidal impact platform base, a housing, a modular support frame, and a drive and detection mechanism. The support frame consists of an experimental support, a test piece platform, and limiting blocks, achieving rapid positioning and height adjustment of the test piece via bolts. The drive and detection mechanism includes symmetrically distributed motor and encoder assemblies. The motor drives the roller shaft via a coupling, causing the rollers to rotate at high frequency. The encoder records data in real time and provides feedback via a touchscreen. The trapezoidal base incorporates a shock-absorbing layer to improve stability, the modular structure reduces structural weight, it is adaptable to thin metal sheets of varying thicknesses, and the integrated touchscreen interface provides convenient operation. This device is suitable for high-precision fatigue life testing of ultra-thin materials such as aerospace flexible components.

The invention provides a load self-adaptive constant tension winch control system, which comprises a PLC (Programmable Logic Controller), a hydraulic motor, a hydraulic winch, a winch steel wire rope, a fixed pulley, a working boat, a rotary encoder, a shaft pin type sensor and a constant tension loop consisting of three loops, and is characterized in that the first loop comprises a preset oil tank, a main control valve and the hydraulic motor; the second loop comprises a preset oil tank, a main control valve, a shuttle valve, a pressure reducing valve, a hydraulic control reversing valve and a hydraulic brake; the third loop comprises a shuttle valve, an electromagnetic switch valve, a hydraulic control switch valve, an electric proportional overflow valve and a hydraulic motor, the system controls the electromagnetic switch valve and the electric proportional overflow valve at the same time through the PLC according to detection data of the rotary encoder and the shaft pin type sensor, accurate control over the tension of the winch steel wire rope is achieved, and when waves rise, the winch steel wire rope is driven to rotate. The system controls the hydraulic winch to actively lift; and when the waves descend, the system controls the hydraulic winch to descend passively, so that the tension of the winch wire rope is always kept within a preset range, and stable operation of the working boat is ensured.

The application discloses a kind of wheel rotation angle detection method, equipment, storage medium and device, the application is by obtaining the displacement variation of preset sensor when the torque of sliding pulley is loaded to first torque from counterclockwise to clockwise;According to the displacement variation, the pulley rotation angle and pulley shaft rotation angle corresponding to the sliding pulley are calculated;According to the pulley rotation angle and the pulley shaft rotation angle, the relative rotation angle between pulley and pulley shaft is calculated.Because the application is based on the displacement variation of preset sensor acquisition relative rotation angle between pulley and pulley shaft, the application cannot directly use rotary encoder to measure the rotation angle of pulley and pulley shaft relative to prior art, the application realizes the high-precision measurement of relative rotation angle between sliding pulley and pulley shaft, and can satisfy the production requirement of automatic batch detection.

A roll manufacturing apparatus includes a rotary device including a rotary encoder, a cutting tool stage that holds a spindle unit, which includes a rotatable cutting blade, reciprocatably in a radial direction of a roll and is movable in the radial direction of the roll, a signal generator that generates, based on signals output from the rotary encoder, a control waveform indicating a movement pattern to reciprocate the cutting blade at positions corresponding to predetermined cutting portions, and a controller that moves the cutting tool stage so that a cutting process of reciprocating the cutting blade in the radial direction of the roll while rotating the cutting blade, according to the control waveform, to perform cutting once or multiple times with the cutting blade at a predetermined cutting depth is performed multiple times.

The utility model belongs to the field of electric switches, and particularly relates to an operating mechanism and a circuit breaker. In order to measure the stroke of a moving contact, the utility model provides an operating mechanism. The operating mechanism comprises a connecting rod mechanism and an auxiliary switch, the connecting rod mechanism is used for being in transmission connection with the contact operating rod, the auxiliary switch is provided with an auxiliary switch rotating shaft, the connecting rod mechanism is used for enabling one end of the auxiliary switch rotating shaft to be in transmission connection with the contact operating rod, and the other end of the auxiliary switch rotating shaft is further in transmission connection with a rotary encoder. The rotary encoder is used for measuring the rotation angle of the rotating shaft of the auxiliary switch so as to indirectly measure the stroke of the moving contact, and the rotary encoder is also used for transmitting data measured by the rotary encoder to the upper computer. The utility model also provides a circuit breaker comprising the operating mechanism. As the auxiliary switch rotating shaft is in transmission connection with the connecting rod mechanism, the rotating angle of the auxiliary switch rotating shaft can reflect the movement condition of the connecting rod mechanism, namely, the stroke of the contact operating rod can be reflected, so that the stroke of the moving contact is reflected.

The invention provides an intelligent safety monitoring and anti-collision system for a tower crane and an elevator, and relates to the technical field of building construction safety monitoring. The system constructs a five-layer architecture of multi-source sensing, edge computing, converged communication, a cloud platform and application interaction, a tower crane end is integrated with a torque sensor, a rotary encoder, a wind speed sensor, a height encoder and a GNSS / RTK dual-mode positioning module, an elevator end is provided with a load sensor, a double-shaft inclination sensor and a network camera, and data intercommunication is achieved through a communication network. A distributed space-time cooperation mechanism is utilized, an LSTM neural network based on an attention mechanism is adopted to predict a device track, a dynamic collision cone model introducing wind speed disturbance compensation is constructed, and an improved ORCA algorithm introducing jerk constraint is operated to realize optimal avoidance of a group tower. According to the system, the BIM three-dimensional geometric model and real-time working condition data are fused to construct the digital twinborn body, acousto-optic broadcast linkage alarm is supported, and the system is suitable for intelligent safety management of large capital construction projects.

The invention provides a gate opening and closing operation state collaborative sensing and safety early warning device and method, belongs to the technical field of gate opening and closing machine operation state monitoring and safety detection, and can at least partially solve the problem that existing gate opening and closing process operation state detection lacks collaborative sensing capability and safety early warning function. A traditional method depends on a hoist opening degree sensor or manual in-situ measurement, the vertical deviation of the left side end and the right side end of a gate cannot be reflected, the detection efficiency is low, and operation safety risks exist. The device comprises a displacement detection assembly, a wireless transmission assembly and a data processing assembly. The displacement detection assembly comprises a magnetic mounting base, a linear guide rail, a sliding block, a meter counting wheel and a rotary encoder. The displacement detection assemblies are symmetrically installed on the left side and the right side of the gate, the displacement amount of the left side and the right side in the gate opening and closing process is collected in real time, the difference value is calculated, cooperative sensing and safety early warning of the operation state in the gate opening and closing process are achieved, and the method is suitable for various hydraulic steel gates.

The invention discloses an accumulated material cleaning device for a material sliding plate of a disc pelletizer. The accumulated material cleaning device comprises a first movement mechanism, a second movement mechanism and a scraper assembly, the first movement mechanism comprises a first gear motor, a first output shaft is connected with a rotary encoder, and a second output shaft is fixed to one end of the large arm assembly so as to drive the large arm assembly to swing back and forth in the horizontal direction. The second movement mechanism comprises a second gear motor, a laser range finder is arranged on the top side of the second gear motor, a first gear is arranged at the shaft end of an output shaft of the second gear, and the first gear, a second gear arranged at the other end of the large arm assembly and a chain arranged outside the second gear and the second gear in a sleeving mode form a chain transmission mechanism. A sliding frame fixedly connected with the chain sleeves the outer side of the big arm assembly, and a laser ranging reflector is arranged at the top of the big arm assembly; the scraper assembly comprises a scraper with a vertically-downward tool bit, and the scraper is fixed to the bottom of the sliding frame. The sliding plate abuts against the plate face of the sliding plate. The device effectively replaces the work of manually cleaning the material sliding plate by using an iron shovel, reduces the working intensity of production workers, improves the qualified rate of green pellets, and improves the production efficiency.

This invention provides an automatic pitch calibration system for wind turbine blades. The system consists of a proximity switch installed at a preset mark at a mechanical 49° position at the blade root, with its centerline coinciding with the mark; a limit stop fixed at the blade root and moving with the blade through the proximity switch's sensing area; a pulse signal triggering module that generates a calibration pulse signal when the limit stop enters the sensing area; and an angle forced correction module that forcibly adjusts the rotary encoder angle in the pitch control system to the preset 49° mechanical position in response to the calibration pulse signal. The closest gap between the proximity switch and the limit stop is precisely set to 3mm, ensuring triggering accuracy while preventing mechanical collisions. The system triggers a calibration pulse signal once each during blade opening and closing to correct the rotary encoder angle in real time. The 49° mechanical position is used as an intermediate calibration point to eliminate accumulated angle errors. Furthermore, the system is integrated into the pitch control system, eliminating the need for an additional control unit.

The present disclosure relates to an optical system and a signal processing method, the optical system comprising: an optical detection module, the optical detection module comprising an optical image sensor chip and a serial peripheral interface, the optical image sensor chip being configured to acquire an image of a surface of a pattern disc and output displacement data and raw image data; a mounting bracket, the mounting bracket being configured to fix the optical detection module above the pattern disc; the pattern disc, the pattern disc being located below the optical detection module, a surface pattern of the pattern disc being a radial pseudo-random pattern; a bearing seat, the bearing seat being configured to fix a rotation shaft of the pattern disc and a measured object; and a main control board, the main control board comprising a microcontroller, the microcontroller being configured to communicate with the optical detection module through the serial peripheral interface, the main control board being configured to perform a signal processing operation based on the displacement data, so that miniaturization and high precision of a rotary encoder can be achieved.

Device for diverting sheets from a transport path of a sheet processing machine to a receiving container by means of a discharge drum with grippers, characterized by that the delivery drum (27) has a drive (61) arranged separately and mechanically decoupled from the drive (60) of the sheet processing machine, that a rotary encoder (72) is provided for synchronizing the drive (61) with the speed of the sheet processing machine to detect the speed of a gripper bridge chain of a gripper chain system (23) of the sheet processing machine, that the rotary encoder (72) is driven by a belt drive (73) which is driven by a pinion gear (74) which is engaged with the gripper chain system (23).

The invention provides a wireless sensor, a lamp and a networking and control method thereof, belongs to the field of intelligent illumination, and solves the problems that existing configuration is not visual, depends on an APP, needs a ladder for maintenance and the like. The scale of the rotary encoder is in continuous visual correspondence with the building space area; the dial switch is configured with a single / multi-channel mode and a master-slave role; and an included angle of 30-45 degrees is formed between the mounting angle of the rotary encoder and the visual horizontal line. The device has the advantages that the configuration efficiency is improved by 67%, the energy-saving rate is 40%-62%, and ladder-stand-free maintenance is achieved. The method is suitable for warehouses, corridors, staircases and other scenes.

The invention provides a rotary machine vibration signal angular domain sampling method, and relates to the technical field of rotary machine state monitoring and fault diagnosis. The method comprises the following steps: establishing a synchronous data acquisition channel of a rotary encoder and a vibration sensor through a common clock source; establishing a vibration sensor data first-in first-out cache aligned with an encoder channel timestamp on the basis of the synchronous data acquisition channel; angular domain sampling data screening triggered by the edge of the rotary encoder is realized on the basis of vibration sensor data oversampling; and finally, sorting the screened vibration sensor data according to instantaneous angle values to form angular domain sampling vibration signals. According to the method, angular domain equal-angle interval sampling is realized from a data acquisition source, instantaneous rotating speed calculation and time domain signal interpolation are not needed, the problem of signal distortion caused by an interpolation algorithm in a traditional order tracking technology is effectively avoided, the fidelity and analysis efficiency of angular domain vibration signals are remarkably improved, and the method is suitable for large-scale popularization and application. And a reliable data basis is provided for accurate fault diagnosis of the rotating machinery.

The present invention provides a substrate transport device, a substrate processing device, and a substrate transport method that can acquire the warp shape of a substrate. [Solution] The light-emitting unit 27A and the light-receiving unit 27B face each other on a straight line LNE via a first measurement point MP1 set between the center CR and the end ED. The light-emitting unit 28A and the light-receiving unit 28B face each other on a straight line LNE via a second measurement point MP2 set between the first measurement point MP1 and the end ED. The control unit measures the first amount of warpage of the substrate by measuring the first width of the first valley in the first signal waveform output from the first mapping sensor 27 using a rotary encoder. The control unit measures the second amount of warpage of the substrate by measuring the second width of the second valley in the second signal waveform output from the second mapping sensor 28 using a rotary encoder. The control unit calculates the warpage shape of the substrate based on the first and second amounts of warpage.

The invention relates to a rotary encoder (10) for a machine, in particular a hoist, crane or the like, and to a method for operating a rotary encoder, the rotary encoder having a rotary encoder shaft (12) which is connectable to a shaft of a machine for detecting a rotation of the shaft, the rotary encoder having a frame (11) which is mountable on a machine, the frame (11) having an encoder element (13) disposed thereon for detecting a rotation of the rotary encoder shaft and a signal output element (14) for outputting a rotation angle signal and / or a speed signal, the rotary encoder having a bearing device (20) by means of which the rotary encoder shaft is rotatably mounted on the frame, the rotary encoder having an insulating device (19) which electrically insulates the rotary encoder shaft and the bearing device from the frame.

The invention discloses a cold-rolled stainless steel strip surface roller slipping trace on-line detection method which comprises the following steps: shooting a cold-rolled stainless steel strip surface image by adopting a linear array industrial camera and a blue strip-shaped light source; real-time production length information of the cold-rolled stainless steel strip is obtained through conversion according to real-time detection data of a rotary encoder of a discharging roller of the cold-rolled stainless steel strip production line; the method comprises the following steps: establishing a cold-rolled stainless steel strip steel surface roller slip trace online detection system, wherein the detection system comprises an image acquisition module, a data processing module and an alarm and display module; the image acquisition module is used for controlling the industrial camera to shoot a cold-rolled stainless steel strip surface image according to the real-time production length data of the cold-rolled stainless steel strip; the data processing module is used for processing and analyzing the cold-rolled stainless steel strip surface image acquired by the image acquisition module in real time and identifying the roller slipping trace on the cold-rolled stainless steel strip surface; and the alarm and display module provides alarm information according to the identification result of the data processing module.