74results about How to "Accurate data" patented technology

This application provides a pumping data acquisition and safety early warning device, comprising a signal acquisition mechanism and a signal processing mechanism. The signal acquisition mechanism includes a magnetic transmitter, a Hall sensor, and a mounting base. The magnetic transmitter is mounted on one side of the pulley of the derrick, used to convert the rotation direction and number of rotations of the pulley into magnetic signals and send them to the Hall sensor. The mounting base is mounted on a fixed bracket for supporting the pulley, and a positioning hole is opened at the end away from the fixed bracket, facing the magnetic transmitter. One end of the Hall sensor is connected to the positioning hole and facing the magnetic transmitter, and the other end is electrically connected to the signal processing mechanism via a signal transmission cable, used to acquire the received signals of the rotation direction and number of rotations of the pulley. This device can acquire more accurate data for pumping operations, thereby ensuring data accuracy and operational safety during pumping operations.

The utility model discloses a positioning accurate servo electric cylinder relates to electric cylinder technical field, and the utility model discloses a shell seat is provided with the shell cover one end of shell seat, the inside rotation of shell seat is equipped with the threaded rod, the outside threaded cover of threaded rod is equipped with the push rod, and the one end of push rod is slid through shell cover, and the inside fixed mounting of shell cover is equipped with motor, and the drive end fixed connection of motor is equipped with main gear, and the one end fixed cover of threaded rod is equipped with the secondary gear, and the secondary gear is engaged with main gear and is connected, and the outside fixed connection of push rod is equipped with the guide block, through the cooperation of motor, main gear, secondary gear, threaded rod, push rod, and the guide block is in the sliding help push rod guide wire positioning on the guide plate, and utilize the sliding of slider on the sensor and the detection of guide block abutment, cooperate the effect of spring to real -time monitoring guide block and push rod's moving strength judges telescopic data to be transmitted to motor and carries out positioning control, real -time contact, and data is more accurate, and the control reliability is improved.

The application discloses a wheel-bucket excavator experimental platform suitable for an alpine environment and relates to the technical field of mine mechanical test equipment, comprising a simulated rock wall, a wheel-bucket test device and a strain gauge; the wheel-bucket test device comprises a wheel-bucket assembly and a plurality of buckets uniformly arranged along the circumference of the wheel-bucket assembly, and a plurality of bucket teeth are arranged on the outer side of the bucket and directly contact the simulated rock wall; the strain gauge is inlaid in the connection between the bucket tooth and the bucket and is used for collecting the horizontal and vertical torsional stress changes of the bucket tooth; the simulated rock wall is arranged to simulate the physical properties of rock-soil bodies in the alpine environment, the bucket teeth directly contact the simulated rock wall to realize accurate simulation of the digging working condition, and the technical problem that the existing experimental platform cannot be adapted to the alpine environment is solved, thereby providing an experimental basis in line with actual working conditions for performance verification of the wheel-bucket excavator used in the alpine environment.

The utility model discloses online sampling and detecting equipment for water pollutants, relates to the technical field of water pollutant detection, solves the technical problem that sampling, detecting and washing cannot be automatically and repeatedly carried out in the existing technical scheme, and comprises a main vehicle body, a mounting frame is fixedly mounted on the upper wall surface of the vehicle body, and a detecting pipe is fixedly mounted on the mounting frame; the detection pipe is a vertical pipe, a detection laser transmitter is arranged at the upper end in the detection pipe, and a detection laser receiver is fixedly mounted at the lower end of the detection pipe. According to the utility model, the unique control valve is matched with a sampling and flushing structure, so that the automatic switching of water samples and the automatic flushing of the detection pipe can be realized; water sample residues and cross contamination are effectively avoided, and the accuracy and representativeness of detection data are greatly improved; the device integrates a controller and a touch screen, operation can be completed conveniently in a touch mode, multiple sampling detection modes are supported, manual guarding is not needed, and the device is suitable for long-time unmanned online monitoring in various water environments.

The utility model provides an arc pressing device belongs to mechanical processing device technical field. Among them, the upper pressing mould is equipped with the convex part, makes the upper pressing mould towards the platform outside the convex part in the downwards, still has the first plane platform. The lower pressing mould is equipped with the recessed part, makes the lower pressing mould towards the platform outside the recessed part in the upwards, still has the second plane platform. When the upper pressing mould, the lower pressing mould are pressed together, the convex part, the recessed part are mutually jointed, the first plane platform, the second plane platform are mutually jointed, make the metal sheet be in the clearance between the upper pressing mould, the lower pressing mould first plane platform, second plane platform, and be pressed to get the arc surface same with the clearance shape. It can eliminate the conventional metal sheet arc pressing device arc pressing not fine caused metal sheet when wrapping sensor and pipeline, because the sensor diameter, pipeline diameter is different, causes the clearance between metal sheet and sensor, pipeline, makes the metal sheet to sensor, pipeline's wrapping more accurate.

The utility model relates to stainless steel jar body detection technical field, and disclose a kind of stainless steel jar body pressure detection device, including detection table, the side fixed mounting of detection table has support frame, the top surface fixed mounting of support frame has lifting assembly, the bottom surface fixed of lifting assembly is provided with fixed frame.This stainless steel jar body pressure detection device, through the setting of inflation pipe and pressure gauge, opens electric push rod, so that push plate pushes inflation pipe and inserts into the entrance of stainless steel jar body, sealing piece and silica gel pad seal, opens air pump, by gas hose and inflation pipe to the inside of stainless steel jar body inflation, closes valve after inflation, two groups of pressure gauge detect the pressure change of stainless steel jar body simultaneously, avoid only one group of pressure gauge failure influence detection, data is more accurate, and multiple groups of stainless steel jar body detection can be carried out simultaneously, the connection separation of detection component and stainless steel jar body is also very fast, improves detection efficiency.

The application provides a coal mining face equipment pose real-time calculation method, system, device and medium. At present, there is a lack of a measurement calculation method which can guarantee measurement accuracy, automatic real-time data calculation and cover the realization of the measurement of the coal mining face equipment group in the industry. To solve the above problems, the method of the application performs absolute pose real-time calculation and automatic processing on the coal mining machine, the scraper conveyor and the support during the mining of the coal mining face, has real-time performance, first measures the initial coordinate position and attitude of the inertial navigation device of the coal mining machine, measures and corrects the real-time position and attitude data of the inertial navigation device, so that the data is more accurate, finally obtains the absolute pose of the coal mining face equipment group, and finally outputs the absolute pose parameters of the coal mining face equipment group, thereby providing conditions for realizing the automation and intelligent operation of the coal mining face equipment group.

The application belongs to the technical field of computer hardware testing, and discloses a multi-sensor integrated detection dock system for notebook computer performance testing, which comprises a multi-sensor module, a data acquisition and interface module, a main control module and a hardware component. The application has the following remarkable advantages: high integration and improved efficiency; data synchronization precision and improved analysis value; high automation degree and reduction of human error; consistent test conditions and strong result comparability.

The utility model discloses a kind of turbulent flow probe posture auxiliary positioning devices, it is related to positioning device technical field, including L-type body, L-type body has clamping groove, and L-type body is fixedly provided with bubble level;Clamping groove is used to fixedly place turbulent flow probe, and turbulent flow probe placed in clamping groove is coaxial with clamping groove;When bubble level is in horizontal state, the axis of clamping groove is vertical posture.It can be conveniently and quickly realized the accurate positioning of turbulent flow probe posture.

The application relates to the technical field of power electronic equipment testing, and discloses a working condition simulation testing device for a power module, which comprises a wind guide structure, a positioning and bearing structure, a fan module, an electrical interface module and a control module. The power module is detachably installed through the positioning structure, so that the heat dissipation air duct of the power module is accurately connected with the air duct of the device; the fan module drives air flow under the adjustment of the control module to simulate heat dissipation conditions; the electrical interface module quickly builds a complete power testing link; and the transformer can be integrated to realize synchronous heat dissipation. The utility model overcomes the defect that the working condition simulation of the existing testing means is not real, provides a highly integrated, parameter-adjustable and convenient-to-operate testing platform, and significantly improves the accuracy and efficiency of power module temperature rise and aging testing.

The application provides a concrete shrinkage test device and an experimental method thereof, which comprises an aluminum alloy support and two detection mechanisms, the detection mechanisms are located at the top of the aluminum alloy support, and the detection mechanisms comprise support blocks. In the application, the detection mechanisms automatically detect the concrete test piece to be measured through a transmission mechanism, which can avoid the measurement errors caused by manual multiple adjustments, improve the accuracy of measurement, and the leveling mechanism can directly contact and measure the concrete test piece to be measured through the micrometer measuring rod. Some recessed parts inevitably exist on the concrete test piece to be measured. If the data obtained by the measuring rod contacting the recessed parts during detection is not accurate enough, the final obtained concrete shrinkage data will also be inaccurate. In addition, the dust removal mechanism can blow air to the contact position of the leveling frame and the concrete test piece to be measured, blow off the floating dust on the surface, clean the floating dust, and improve the detection accuracy.

The application provides a kind of escalator handrail belt speed measuring device, speed measuring device is installed on handrail belt, speed measuring device includes main unit, clamping component, speed measuring component and control component, control component is used to control the operation of speed measuring device, main unit has drive assembly, drive assembly has transmission rod and support rod, clamping component has two sets of clamping pieces, transmission rod and support rod are connected with two sets of clamping pieces, transmission rod drives two sets of clamping pieces to realize split and combined motion, clamping piece is clamped on handrail belt, speed measuring component is installed at the lower end of clamping piece, speed measuring component has support wheel and speed measuring wheel, support wheel and speed measuring wheel contact with handrail belt mounting frame, speed measuring wheel is used to measure the running speed of handrail belt;The application can realize the direct measurement of handrail belt speed, obtain continuous data of handrail belt operation, obtain the state of each point of handrail belt operation in time, which is beneficial to accurately diagnose the running state of handrail belt, and the device has the characteristics of convenient operation and high efficiency.

The application discloses the technical field of aviation carbon emission monitoring, and discloses an aviation carbon emission sensing monitoring and quantitative analysis device and method.The device comprises a sensing monitoring component and a quantitative analysis component.The sensing monitoring component comprises a ground monitoring component and a cruising monitoring component.The quantitative analysis component is used for quantitatively analyzing aviation carbon emission according to data obtained by the sensing monitoring component.The device is provided with double unmanned aerial vehicles.The unmanned aerial vehicles are used to collect data in a V-shaped suspension posture in the air, and the suspension distance can be set to reduce the influence of the wind of the unmanned aerial vehicle blades on the collection process.The suspension posture is advantageous in reducing shaking and preventing the suspension rope from twisting, the monitoring effect is better, the data is accurate, and the analysis result accuracy is improved.

The application relates to a deep loosening disturbance surface extraction device based on binocular vision. The device adopts Zhang Zhengyou calibration method to obtain camera internal parameters, and camera calibration is completed by shooting multiple plane target images at different angles; the SGBM algorithm is used to calculate the depth information of the deep loosening disturbance surface image, an initial disparity map is generated by selecting the disparity of corresponding pixel points of left and right eye images, a global energy function is constructed, and the optimal disparity is solved by minimizing the energy function, so that accurate matching of the binocular image is realized. In the implementation process, the deep loosening disturbance soil after deep loosening is removed in an artificial digging manner, so that the deep loosening groove bottom line is exposed; the collecting device is moved above the groove bottom line, and the rack is kept horizontal by means of the level; the Intel RealSense depth camera D435i is slowly and smoothly moved along the track by the motor control, and the image collection of the whole one-way stroke is completed. The application can efficiently and accurately extract the deep loosening disturbance surface information and is suitable for detecting and evaluating the quality of agricultural deep loosening operation.

The invention discloses a multifunctional test experiment table special for an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicle testing, the multifunctional test experiment table comprises a base, and the base is fixedly connected with a first mounting rack and a second mounting rack; a limiting mechanism is arranged on the second mounting frame and comprises a position seat slidably mounted on the second mounting frame, a connecting shaft is fixedly connected to the position seat, a moving seat is slidably mounted at one end of the connecting shaft, a butt joint shaft is connected to the moving seat through a ball pair, and one end of the butt joint shaft is fixedly connected with the machine body; a lifting rope is fixedly connected to the machine body, and a loading disc is arranged on the base and used for installing the loading disc. A fixing mechanism is arranged on the inner side of the loading disc, and the lifting rope penetrates through the inner side of the fixing mechanism and is fixed through the fixing mechanism; limiting control can be performed on the unmanned aerial vehicle in the testing process, and damage and dangerous accidents in the testing process are prevented.

This utility model discloses a fatigue testing device for hot-rolled H-beams, including a base, a fixed platform, and a fixed seat. The fixed platform is located at one end of the base and is equipped with a clamping assembly for clamping one end of the H-beam. The fixed seat is fixedly located at the other end of the base. A movable seat is slidably mounted on the fixed seat, and a lower hydraulic cylinder is fixedly mounted on the movable seat. A fixed frame is fixedly mounted on the movable seat, and an upper hydraulic cylinder is mounted on the fixed frame. The upper hydraulic cylinder is located above the lower hydraulic cylinder, and a clamping assembly is located between the upper and lower hydraulic cylinders. In this utility model, both ends of the H-beam are fixedly clamped onto the two clamping assemblies. The clamping assembly on the fixed platform is fixedly mounted, and the clamping assembly at the other end swings and vibrates under the drive of the upper and lower hydraulic cylinders, causing the H-beam to shake. This allows for fatigue testing of the entire H-beam, making the test results more accurate.

This invention discloses a smart meter durability testing device, belonging to the field of meter testing technology. It includes a test stand, on which a simulation test unit, a tightening variable control unit, and a data observation unit for detecting test results are installed. This invention uses high and low temperature testing, damp heat cycling testing, and salt spray corrosion testing modules in the simulation test unit to simultaneously simulate multiple extreme environments, accurately assessing the durability of the meter under complex operating conditions. Through a magnetically controlled connector combined with a tightening motor, the tightening stroke and pressure of the terminal screws can be precisely controlled, thereby exploring the impact of different tightening forces on the durability of the smart meter's terminals. A digital display power monitor synchronously records power consumption with the smart meter, directly comparing the test data with the actual value to quickly identify metering deviations. A camera periodically captures data from the display screen, tracking the meter's performance changes at different test stages and accurately locating the time point of failure.

The present application belongs to the technical field of downhole monitoring instrument, and discloses an oil well pipe corrosion monitoring system, which comprises an oil well pipe corrosion monitoring device and an oil well pipe data management platform; wherein the oil well pipe corrosion monitoring device can perform three different monitoring mechanisms on the oil well pipe, effectively avoiding errors caused by a single monitoring mode; the electrode monitoring mechanism can monitor the pH value and the concentration of corrosive ions of produced liquid in the oil well pipe in real time, and timely reflect the dynamic characteristics of the corrosion process; the inductance probe monitors the corrosion rate of the metal pipe wall in real time, the coupon monitoring mechanism monitors the corrosion thickness, each monitoring data can be compared and verified for the corrosion trend, and the continuous monitoring of the downhole corrosion process is realized; the data management platform can receive real-time data transmitted from the field and store them, and a large amount of real-time corrosion data can be used to establish a corrosion rate prediction model of corrosive ions; meanwhile, the downhole anti-corrosion measures can be optimized according to the actual corrosion rate and the change of the corrosion medium.

The utility model provides a kind of bearing testing equipment, the bearing to be tested includes inner ring and outer ring, it is characterized in that, the bearing testing equipment includes: bearing seat, can be connected with the outer ring, and can keep the outer ring unmoved;Shaft, can be connected with the inner ring, to drive the inner ring rotation;Bearing working condition simulator, configured to simulate bearing working condition;Sensor, in the state that the bearing working condition simulator simulates bearing working condition, sensing data is acquired to the bearing to be tested. According to the bearing testing equipment of the utility model, various real working conditions of bearing can be simulated and sensing data in this simulated working condition is acquired in some aspect of bearing, to provide more accurate and comprehensive data in the design, verification and test phase of bearing, to facilitate subsequent improvement, development and application of bearing.

The invention discloses a scene construction method, system and device for a project environment and a computer program product, and the method comprises the steps: obtaining project data of a source project in response to a first input of a user to a source project operation area of a target page, the project data comprising equipment parameters and scene data of first intelligent equipment arranged in the source project environment; and in response to a second input of the user to the target project operation area, establishing a relation table between the equipment parameters in the project data and the equipment parameters of each second intelligent equipment arranged in the target project environment and the equipment parameters of the target gateway, and sending the relation table to the target gateway to establish network connection between each second intelligent equipment and the target gateway, the second intelligent equipment is the same as the equipment name in the equipment parameters of the corresponding first intelligent equipment; and in response to a third input of the user to the target project operation area, copying the scene data in the project data to the target gateway so as to control the display state of the second intelligent device in the corresponding scene based on the scene data of different scenes.

The utility model relates to a clamping device for an axial tensile test of a composite material pipe. Comprising a core rod, a split type expansion sleeve and a split type contraction sleeve, the core rod comprises a connecting section, a middle section and a conical section which are connected in sequence and used for being connected with a universal testing machine, and a limiting table is arranged at the joint of the conical section and the second middle section; the inner wall of each split type expansion sleeve is provided with a binding face and an abutting table abutting against the corresponding limiting table, and the outer wall of each split type expansion sleeve is provided with an outer boss. One end of each split type contraction sleeve is circumferentially provided with a lap joint plate which transversely extends inwards, and a contraction gap is formed between every two adjacent split type contraction sleeves; according to the clamping device for the axial tensile test of the composite material pipe, the technical problem that in the prior art, a petal-shaped friction inner sleeve for clamping a sample is prone to falling off is solved through the structural design of the clamping device for the axial tensile test of the composite material pipe.

This invention discloses a three-dimensional electrical resistivity tomography (EDT) method for detecting cavities based on T-shaped electrode survey lines. A two-dimensional T-shaped electrode survey line advance detection observation system is constructed by deploying two mutually perpendicular survey lines (line 1 and line 2) behind the tunnel face. Electrode electrical resistivity data are collected for both vertical and parallel tunnels, and resistivity depth imaging maps are then established for each. The vertical imaging map determines whether the cavity is located to the left or right of the tunnel face, while the parallel imaging map determines whether it is located in front of or behind the tunnel face. This achieves preliminary two-dimensional planar positioning of the cavity. The detection space around the tunnel face is divided into target units, and through resistivity forward modeling and correlation calculation, correlation imaging results of each target unit are obtained. Ranges exceeding a threshold are delineated in the map, and combined with the preliminary positioning, the three-dimensional spatial location of the cavity is accurately determined, ensuring safe tunnel excavation.

The invention relates to a finished product quality inspection system based on artificial intelligence, and belongs to the technical field of product quality inspection, the finished product quality inspection system comprises a rack, the rack is formed by fixedly connecting a vertical machine base and a transverse base, a fixed clamp is arranged on the base, and a movable clamp capable of moving in the vertical direction is arranged on the machine base; a first clamping block and a second clamping block of the fixed clamp move close to or away from each other, a transverse frame on the machine base is connected with the machine base through a hydraulic pushing mechanism, the movable clamp can horizontally slide along the transverse frame, and the transverse frame is provided with a sliding assembly used for driving the transverse frame to move. The device has the advantages that quality inspection of finished products can be achieved, replacement blocks can be replaced according to the shapes of different clamping pieces, the distance can be detected through a laser detector, and the inspection flexibility and accuracy are improved.

The application discloses a kind of detection devices of foundation engineering construction sediment thickness, including support structure, extension structure and detection structure, the extension structure is detachably arranged on support structure, the detection structure is fixedly arranged in extension structure, the present application relates to detection equipment technical field, the present application has the beneficial effect that: support stability and flexibility are double excellent, adapt to complex construction site, avoid device to dump, provide stable foundation for subsequent detection, solve the problem of traditional detection "unstable, easy to deviate", storage and extension are high in convenience, reduce carrying and operating cost, detection adaptability is wide+angle adjustment is accurate, cover multi-scene detection demand, horizontal adjustment automation, solve the problem of traditional detection "rely on manual experience, horizontal adjustment error is big", strong light anti-interference ability is strong, guarantee detection precision stability, reduce personnel risk.

The utility model discloses a drilling fluid chloride ion detection device and a detection system, the drilling fluid chloride ion detection device comprises at least one detection box, and the detection box comprises a box body with a containing cavity; the semipermeable membrane is arranged in the containing cavity and divides the containing cavity into a filtering cavity and a detection cavity, the filtering cavity is located above the detection cavity, and the filtering cavity is provided with a liquid inlet and a sewage outlet; the semipermeable membrane is provided with an ion channel and is suitable for blocking and filtering impurity particles in the drilling fluid in the filtering cavity and enabling ions in the drilling fluid to enter the detection cavity below through the ion channel; the potential detection device comprises an electrode assembly and a potential detector connected with the electrode assembly, and the electrode assembly is arranged in the detection cavity and used for forming chloride ion potential in the drilling fluid in the detection cavity. The drilling fluid chloride ion detection device provided by the embodiment of the utility model can be used for continuously monitoring the chloride ion content, has accurate and reliable data, and is more environment-friendly compared with a chemical titration method.

The utility model belongs to the technical field of die depth measuring equipment, and particularly relates to a special device for measuring the depth of a die, which comprises a base, a die body arranged on the upper surface of the base, a crossing support arranged on the upper surface of the die body, a ruler needle inserted into the crossing support, and a height gauge arranged at the top end of the ruler needle. A connecting rod is fixedly connected to the top end of the height gauge, and a bolt is transversely connected into the mold body in a threaded mode. According to the utility model, through the arrangement of the height gauge and the crossing support, the depth of a single die can be measured more effectively and more accurately, the crossing support can be firmly supported on the two sides of the die cavity of the die, the problems of unstable single-side support and large fluctuation of measured data caused by the use of a height caliper for measurement in the early stage are avoided, and the two end planes of the crossing support are not easy to fall off. The tool needs to be made into a plane as much as possible, so that the tool can be better combined with supporting positions at the two ends of the die cavity without gaps, errors caused by the gaps are reduced, and the tool is simpler and more convenient, easy to operate, more accurate in data and small in error.

The invention relates to the technical field of gas delivery management and intelligent monitoring, in particular to a gas delivery management system based on ultrasonic intelligent monitoring. Multi-source parameters are periodically acquired through a monitoring unit based on a multi-source sensor at a key node; the multi-source parameters are transmitted through the data transmission unit, and meanwhile, the edge calculation unit identifies the preprocessed abnormal parameters based on a preset multi-dimensional abnormal judgment threshold value and analyzes the abnormal parameters to determine an analysis result; then, abnormal event judgment is carried out on the abnormal parameters and the analysis result through a cloud management unit based on a periodically-trained multi-dimensional data analysis model, and decision suggestions are generated; and finally, determining a gas delivery management state based on the ultrasonic propagation speed deviation rate through an analysis unit, adjusting a training period of the multi-dimensional data analysis model according to the gas delivery management state, and further adjusting a multi-dimensional anomaly judgment threshold based on the adjusted management state. The gas conveying management efficiency is improved.

The invention belongs to the technical field of digital identification, and relates to a digital instrument test data auxiliary system, which comprises a data capture module, a data processing module, a data storage and judgment module and a human-computer interaction interface, the data capturing module collects the real-time state of an instrument data area through a monitoring camera, converts collected videos into pictures and transmits the pictures to the data processing module. The data processing module is used for carrying out region selection and image processing on the transmitted picture through an image processing system in computer software, and identifying digits in the picture; the data storage judgment module is used for transmitting the digits converted by the image processing system to a general data storage format or a database and marking the recording time of the digits; a user operates the human-computer interaction interface to realize various video digital capture requirements. According to the system, collected character images can be converted into digits to be stored in a computer, and test monitoring visually perceived by testers on site is replaced.

The embodiment of the application discloses a landslide water content in-situ monitoring device and a landslide water content in-situ monitoring method.The device comprises a conical barrel, a pressure detection device and an isolation protection piece; the pressure detection module is arranged in the shell; the isolation protection piece is arranged in the shell and placed on the pressure detection module; a soil loading space is formed between the conical barrel and the isolation protection piece; a plurality of water permeable holes are arranged on the side wall of the conical barrel.The device has simple structure, and can realize real-time monitoring of the soil water content in the landslide according to the definition of the soil water content.Compared with the test equipment and method such as the capacitive type, the ultrasonic type, the electromagnetic pulse type and the remote sensing type, the device does not need to establish a mathematical model of the soil water content and other sound, electric physical quantities, overcomes the deviation of the water content results caused by different particle components and mineral components of the soil, and provides strong support for the landslide monitoring and early warning and the landslide sliding mechanism research.

The application provides a phase shift fiber grating demodulation system based on a laser frequency stabilization system, which comprises a laser frequency stabilization system for long-term frequency offset locking of laser emitted light; wherein the laser frequency stabilization system comprises an optical frequency comb and a heterodyne interference optical path, the optical frequency comb is connected with the heterodyne interference optical path and is used for receiving the light emitted by the laser; the laser frequency stabilization system further comprises a photoelectric detector, a frequency discrimination circuit and a frequency-voltage conversion circuit, the photoelectric detector is used for converting the light passing through the heterodyne interference optical path into an electric signal; the frequency discrimination circuit is connected with the photoelectric detector and is used for receiving the electric signal; the frequency-voltage conversion circuit is connected with the frequency discrimination circuit and is used for converting the electric signal into an error voltage signal; a PC control host acquires the error voltage signal and outputs a feedback control signal to perform long-term frequency offset locking on the laser emitted light. The application can improve the long-term stability of the laser by multiple orders of magnitude and can realize long-term frequency offset locking.