305results about How to "Guaranteed suitability" patented technology

The invention discloses a large model knowledge base construction method based on multi-granularity retrieval. The method comprises the steps of obtaining a target text and analyzing a document structure, splitting and reorganizing text data according to three levels of titles, fragments and sentences, and constructing three levels of knowledge of the titles, the fragments and the sentences; using a large language model to construct a generative index as question-level knowledge according to the sentence-level knowledge; using a vector model to generate a first vector representing index keys of fragment-level knowledge and / or sentence-level knowledge, and a second vector representing index keys of title-level knowledge and / or question-level knowledge; and respectively storing the first vector and the second vector into a vector database, and storing the index values and the index types corresponding to the first vector and the second vector into a relational database. According to the method, multi-granularity document knowledge base construction is achieved, the expression modes of knowledge under different granularities are expanded, the accuracy of user query and knowledge matching is improved, and the problem that information is lost or incomplete in an existing method is solved.

The invention provides a digital person business card interaction method, electronic equipment and a storage medium, and belongs to the technical field of data processing, and the method comprises the steps: responding to a business card viewing instruction, and outputting a target digital person business card associated with the business card viewing instruction; receiving an inquiry instruction based on the target digital person business card, and judging whether the inquiry instruction has a corresponding standard problem or not; if yes, inputting an information set associated with the standard question and the target digital person business card into a pre-trained information desensitization large model; if not, calling a preset search engine to search the inquiry instruction, determining a search data set based on a search result, and inputting the inquiry instruction, the target digital person business card and the search data set into a pre-trained information desensitization large model; and obtaining a desensitization answer output by the information desensitization large model, and outputting the desensitization answer. According to the method, the interaction efficiency of the recruitment process can be remarkably improved, the hysteresis of information transmission is reduced, and the personal information security is protected.

The invention provides a method for constructing a lightweight remote sensing target instance segmentation model based on state space model knowledge distillation. The method comprises the following steps of: 1, reading data by a computer; the method comprises the following steps of: reading an unlabeled SA-1B data set and labeled remote sensing image data by using a computer, and respectively preprocessing the image data; 2, constructing a knowledge distillation network based on the state space model and a lightweight remote sensing target instance segmentation network; and step 3, training the neural network. After a network is constructed by using a Pytorch deep learning framework, a backbone model is trained by using unlabeled data, and then the complete network is trained by using labeled remote sensing data. And step 4, remote sensing image instance segmentation. And high-quality remote sensing image instance segmentation can be realized on a test set or an actual image by using the network model trained in the step 3. Compared with a traditional method, model parameters can be greatly reduced, model reasoning time is saved, and the method is more suitable for various scenes needing real-time application or quick response.

The invention relates to the technical field of image processing, in particular to a magnetic material product surface defect simulation method and system. The method comprises the following steps: carrying out physical field coupling modeling on a magnetic material product to obtain a physical field coupling model of the product; carrying out product defect image acquisition on the magnetic material product to obtain a product surface defect image set; based on the product surface defect image set, performing defect form pedigree database construction on the magnetic material product to obtain a product defect form pedigree database; performing product defect form environment interference simulation on the magnetic material product to obtain defect detection environment interference simulation data; and performing space-time defect response simulation on the magnetic material product based on the defect detection environment interference simulation data to obtain a product defect detection environment dynamic model. The simulation result of the method better conforms to the actual production condition, and the practical adaptability is enhanced.

The invention discloses a multi-platform advertisement putting data integration and analysis system, and relates to the technical field of data integration and analysis, and the system comprises a data layer which comprises a plurality of data collection modules and a plurality of data processing modules; each data acquisition module is matched with a group of platforms; the plurality of data processing modules are respectively used for receiving the original data of the corresponding data acquisition modules and processing the original data to obtain processed data with feature points; and the processing layer comprises a screening network module which corresponds to the data processing module of one group of platforms and is used for pre-grading the feature points and establishing a multi-layer screening network. According to the method, the received original data is subjected to duplicate removal and format standardization processing, the data consistency and standardization are ensured, feature point extraction is performed through the feature library, and a global replacement feature point library is established, so that the uniformity of feature point standards among platforms is ensured, and standardized storage and management of feature points of different platforms are realized.

The invention relates to the field of electrical power grid operation and maintenance, in particular to a differentiated operation and maintenance method and system based on real-time weak links of equipment. According to the method, online monitoring data and power supply reliability operation data of power distribution network equipment are collected in real time to form an equipment state multi-source data set; based on the data set, calculating an equipment health degree evaluation result by adopting a state evaluation model, and obtaining an importance degree evaluation result through an analytic hierarchy process in combination with the position and load importance of the equipment in the network topology; and inputting the two results into a preset operation and maintenance strategy matrix to match a corresponding operation and maintenance strategy type, and finally generating a differentiated operation and maintenance strategy instruction containing specific operation and maintenance measures, an execution time window and a resource allocation scheme. According to the method and the device, the problems of lack of equipment-level pertinence and unreasonable resource allocation of an operation and maintenance strategy in the prior art are effectively solved, and the operation and maintenance accuracy and the resource utilization efficiency are improved.

The utility model discloses a water-based UV coating rescreening device, which belongs to the technical field of screening devices and comprises a bottom plate, a convenient material taking assembly is arranged at the upper end of the bottom plate, a screening box is arranged at the upper end of the convenient material taking assembly, a screening plate fixing assembly is arranged on one side of the screening box, and a feeding hopper is arranged at the upper end of the screening box. Supporting columns are symmetrically arranged on one side of the screening box, and a height adjusting assembly is arranged on one sides of the supporting columns and corresponds to the screening box. Through the arrangement of the convenient material taking assembly, the material taking box can be rapidly and stably taken out from the bottom end of the screening box for use, manpower resources are saved, labor cost is reduced, meanwhile, the material taking box can be accurately installed, it is guaranteed that the butt joint of a material receiving opening is accurate, the situation of material leakage is prevented, and the use cost of equipment is saved; and a sieve plate fixing assembly is arranged, so that a sieve plate can be conveniently taken out and cleaned, the use convenience of the equipment is improved, and the screening effect of the water-based UV coating is guaranteed.

The utility model discloses a self-lubricating screw tap structure which comprises a taper shank, a taper head and a plurality of taper strips, a transmission cavity is jointly arranged in the taper shank and the taper head, a driving gear is arranged in the transmission cavity through a supporting mechanism, a plurality of rotating cavities are arranged in the taper head, screw rods extending into the transmission cavity are arranged in the rotating cavities in a rotating mode, and the driving gear is arranged in the driving gear. The screw rod is connected with the driving gear through a transmission mechanism, the conical strip is connected with the screw rod through a connecting mechanism, a plurality of oil storage cavities are formed in the conical head, and a plurality of oil outlet holes communicated with the oil storage cavities are formed in the outer wall of the conical head. Through the arrangement of the driving gear, the transmission gear, the screw rod, the connecting frame and the conical strip, the screw tap structure designed in the scheme can be adjusted within a certain range, so that the device is suitable for tapping holes with different inner diameters, and the applicability of the device is ensured.

The invention relates to the technical field of lubricating oil analysis, in particular to a method and system for quantitative analysis of a lubricating oil additive. The method comprises the following steps: acquiring base oil data and lubricating oil additive data; performing mixed oil treatment based on the base oil data and the lubricating oil additive data to generate mixed lubricating oil additive data; performing mixed oil concentration detection on the mixed lubricating oil additive data to generate mixed oil concentration detection data; performing chromatographic column selection on the mixed lubricating oil additive data based on the mixed oil concentration detection data to generate chromatographic column selection data; and performing boiling point heating on the chromatographic column selection data to obtain mixed oil boiling point heating data. By optimizing data acquisition, chromatographic separation, component identification and quantitative analysis as well as result analysis and visualization, the accuracy of quantitative analysis of the lubricating oil additive is improved.

The invention discloses a risk control variable self-adaptive binning and modeling method, and particularly relates to the technical field of binning algorithms, and the method specifically comprises the steps: analyzing the distribution characteristics of continuous variables and the relation between the continuous variables and target variables, verifying the chaos of a risk control system, and verifying the chaos of the risk control system according to a verification result. The effectiveness of the box separation algorithm is evaluated according to the box separation effect; the state classification is performed on the box separation model according to the evaluation result; and the decision-making assistance is performed on the working personnel according to the state type of the box separation model. Therefore, the problem that the binning logic based on the linear law loses practicability in a disordered state is solved.

The invention discloses an adjusting and optimizing method and system based on a large power dispatching model, and belongs to the technical field of power dispatching, and the method comprises the following steps: obtaining historical power dispatching knowledge, and dividing the historical power dispatching knowledge into regional knowledge and global knowledge based on regional characteristics; constructing a first teacher model based on the difference between the global knowledge and the regional knowledge, and constructing a student model based on the lowest fluctuation cost; obtaining regional scheduling correlation according to historical power scheduling knowledge, and constructing a second teacher model according to the regional scheduling correlation; associating the first teacher model, the second teacher model and the student model based on knowledge distillation, and constructing a large power dispatching model; and outputting a tuning strategy according to the large power dispatching model and the current power data. The beneficial effects of the invention are that the output of the power tuning strategy gives consideration to pertinence and efficiency.

The invention discloses equipment for tapping in a dangerous medium pipeline under pressure and a using method. The equipment comprises a main body bracket, transmission equipment and a tool bit assembly, the main body support is formed by fixedly connecting three positioning support columns, a top plate and a base, a motor in the transmission equipment is connected with a speed change gear box, the motor and the speed change gear box are fixed to the same bottom plate arranged at the lower end, the bottom plate is connected with the positioning support columns through sliding sleeves to achieve vertical sliding, and the bottom of the speed change gear box is connected with a bearing box at the lower end. The bearing box is connected with a shaft with a positioning drill bit, and the lower part of the shaft is connected with a bearing fixed on the base; a tool bit upper flange in the tool bit assembly is connected with a base flange through a bolt, and the tool bit upper flange is connected with a tool bit lower flange through a tool bit cavity; the safety, precision and efficiency of the pressure tapping operation of the dangerous medium pipeline and the adaptability to pipelines with different pipe diameters and materials are improved, and real-time monitoring and feedback functions are achieved.

The invention discloses a quantitative laser speckle blood flow imaging method based on a neuromorphic visual sensor, and relates to the technical field of biomedical engineering. The method solves the problem that static scattered light caused by physiological behaviors and electronic noise of imaging equipment have adverse effects on blood flow imaging quality in a traditional laser speckle contrast imaging method, and comprises the following steps: step 1, using a helium-neon laser as a light source, and irradiating a scattering medium with an expanded laser beam to form a speckle pattern; 2, a microfluidic injector is adopted, two parameters of the inner diameter and the flow of the injector are set, and the flow speed range is controlled; 3, asynchronously sensing the change of the light intensity of the speckle pattern by using an event camera, and shooting the speckle pattern by using a frame camera; and 4, acquiring event stream data by the event camera, and processing the data by using an algorithm. Real-time and high-resolution blood flow imaging and flow velocity calculation are achieved, and the inherent limitation of a traditional method is overcome.

The protective sleeve comprises a fixing sleeve, a mounting surface is formed at the front end of the fixing sleeve and used for covering a water outlet, a limiting block is arranged on the portion, corresponding to the mounting surface, of the fixing sleeve, and after the fixing sleeve is connected with an endoscope in a sleeved mode, a gap is formed between the mounting surface and the front end of the endoscope through the limiting block; the soft sleeve is trumpet-shaped, one end of the soft sleeve is connected with the mounting surface, a protection space is formed in the soft sleeve, the soft sleeve is provided with a supporting channel corresponding to the mounting surface, the supporting channel extends in the length direction of the soft sleeve, an opening is formed in one end of the supporting channel corresponding to the mounting surface, and the opening is used for water flow to enter so as to keep the supporting channel in an open state; the flexible sleeve can be automatically deformed to the tail end of the endoscope when the endoscope enters so as to reduce interference to the endoscope entering, and meanwhile, the flexible sleeve can be naturally deformed to the front end of the endoscope when the flexible sleeve is clamped and withdrawn so as to complete wrapping of sharp foreign matters, so that damage possibly caused when the sharp foreign matters are moved out is avoided.

The invention discloses a shield tunneling machine maintenance management system, relates to the technical field of shield tunneling machine maintenance, and solves the technical problem that a maintenance scheme and personnel configuration cannot be determined by automatically identifying fault conditions according to shield tunneling machine fault information acquired on site in the prior art. The system comprises a shield fault database, a maintenance guidance database, a maintenance personnel database, a fault identification module, a scheme generation module, a scheme selection module, a scheduling module, a maintenance recording module, a model updating module and a user side. According to the invention, fault identification, maintenance flow recommendation, maintenance scheme determination and specific maintenance personnel notification can be realized, automation of maintenance management is realized, manual statistics, adjustment and arrangement are not needed, and the accuracy of fault identification, the accuracy of the pushed maintenance scheme and the rationality of personnel arrangement are ensured.

The invention relates to the technical field of fire fighting, in particular to an intelligent fire fighting system and a fire fighting method.The fire fighting system comprises a house body, an equipment box is fixed to the middle of the upper end in the house body, a rotating adjusting mechanism is arranged on one side of the upper end in the equipment box, and a bearing box is arranged on the rotating adjusting mechanism; an angle adjusting mechanism is arranged on the other side of the upper end in the bearing box, and a fire extinguishing mechanism is arranged at the lower end of the other side of the house body. The fire-fighting method comprises the following steps of equipment starting, monitoring and alarming, spraying assembly adjusting and water supply spraying. According to the invention, the fire extinguishing system has dual monitoring functions of smoke sensing monitoring and infrared flame monitoring, the dual monitoring can make fire monitoring more accurate, and fire extinguishing treatment can be carried out on the initial position of the fire when the initial condition of the fire occurs, so that the intelligence and applicability of the fire extinguishing system are effectively improved.

The invention discloses an electric appliance cabinet internal temperature measurement sensor and a temperature measurement method, and relates to the technical field of temperature monitoring. According to the method, before the electric appliance cabinet is used, according to a digital twinborn model in the electric appliance cabinet, an area where electric appliance elements are concentrated, an area where ventilation is poor and an area where heating is easy are screened out; then the arrangement position of each temperature measurement sensor is confirmed, it is ensured that the measured temperature can accurately reflect the internal temperature, the accuracy of temperature collection is guaranteed, reliable data reference is provided for subsequent temperature analysis, the temperature monitoring effect is improved, and then the complexity, sensitivity and stability of the arrangement position of each temperature measurement sensor are analyzed; according to the method, the types of the temperature measurement sensors are determined, the appropriate sensor type is selected for each position, the adaptability of the sensor types and the detection positions is ensured, and the temperature acquisition accuracy is improved while the sensor loss is reduced.

The invention discloses a multi-feature satellite navigation signal anti-deception jamming detection method based on an auto-encoder, and belongs to the technical field of satellite navigation and signal processing. According to the method, Z-score standardization processing is carried out on a received satellite navigation signal by extracting four key characteristic values including a carrier-to-noise ratio, an in-phase component, an orthogonal component and Doppler frequency shift, and dimensional difference is eliminated; and training and predicting a normal signal mode in the auto-encoder model, and comparing a reconstruction error with a set threshold value to judge whether the signal is abnormal or not. The method does not need extra hardware support, is suitable for resource-constrained equipment, has efficient and accurate detection capability in scenes of unmanned aerial vehicle navigation, vehicle navigation, military communication and the like, has the advantages of high flexibility, low cost and wide applicability, and particularly has remarkable advantages in the aspect of detecting complex deception signals.

The utility model relates to the technical field of motor rotor machining, and discloses a fixture for motor rotor machining, which comprises a workbench, left and right opposite mounting boxes are arranged above the workbench, the inner walls of the bottom ends of the mounting boxes are fixedly connected with a servo motor I, and the output end of the servo motor I is fixedly connected with a turntable; and folding rods are fixedly connected to the four corners of the bottom end of the rotating disc, the other ends of the folding rods are fixedly connected with first connecting rods, the first connecting rods are slidably connected to the inner wall of the bottom end of the mounting box, the other ends of the first connecting rods are fixedly connected with clamping blocks, and first limiting grooves which are evenly distributed are formed in the outer wall of the top end of the mounting box. Through cooperation of the mounting box, the first servo motor, the rotating disc, the folding rod, the first connecting rod, the clamping block and the limiting groove, the effect of fixing and clamping the two ends of motor rotors of different diameters is achieved, the applicability of the clamp is guaranteed, and the production cost is reduced.

The utility model relates to electroplating hanger technical field discloses a kind of electroplating hangers with shielding, including conductive crossbeam, the conductive crossbeam bottom end connection is provided with hanger frame, multiple top rod frames and drag rod frames are connected and arranged between hanger frame inner side, the conductive crossbeam top end connection is provided with copper plate, the copper plate side is connected and arranged with connecting bolt, the top rod frame bottom end connection is provided with connecting nut, the connecting nut inner side connection is provided with centre, the centre one end connection is provided with upper shielding plate.The utility model can effectively ensure electroplating quality by the setting of upper shielding plate and lower shielding plate, multiple electrically conductive seats and the setting of centre, multiple workpieces can be processed for electroplating operation in single time, improve work efficiency, adjustable centre is positioned for different length workpieces, ensure application effect.

This invention discloses an ocular implant and its delivery system, comprising: a flexible substrate; multiple nanowire arrays disposed on the flexible substrate; an elastic ring disposed along the circumferential edge of the flexible substrate, the elastic ring having elastic memory and capable of returning to its original shape before deformation after deformation; and two opposing openings disposed near the edge of the flexible substrate. The nanowire array of the ocular implant of this invention can be composed of multiple materials spliced ​​together, and materials with different efficacies and photosensitive wavelengths can be selected for splicing. Therefore, personalized ocular implants can be customized according to different patient conditions to achieve a better match with the patient's fundus condition. Furthermore, the folding and opening design of the ocular implant of this invention, as well as the self-expanding property of the elastic ring, enable it to be adapted to a delivery system for positioning and minimally invasive implantation.

This invention discloses a brain-computer interface (BCI) smart zoom glasses and a visual adaptive adjustment system, relating to the field of smart glasses technology. It includes an EEG signal acquisition module that attaches to the user's head to collect signals, extracts feature vectors after noise reduction, and transmits them to a core control module; a visual environment perception module that collects target and environmental data, generates structured data packets, and transmits them synchronously; a core control module that integrates multi-source data, identifies visual intent, and decides on adjustment parameters; a smart zoom execution module that adjusts the lens focal length and provides closed-loop feedback to calibrate accuracy; a visual adaptive adjustment module that adjusts lens parameters based on the environment and fatigue state; a human-computer interaction module that supports manual operation, status display, and vibration feedback; and a data storage and update module that stores data and iteratively optimizes the model. This invention achieves accurate visual intent recognition through brain-computer interaction; personalized modeling adapts to different user needs, meeting the product development and application requirements of the wearable smart device manufacturing field.

The utility model discloses a mounting structure of a patch type perfluorohexanone fire extinguishing device. The mounting structure comprises a patch type perfluorohexanone fire extinguishing device body, a guide groove and a magnetic attraction layer, the guide grooves are symmetrically formed in the mounting surface of the patch type perfluorohexanone fire extinguishing device body, fire extinguishing ropes are arranged in the guide grooves in a penetrating mode, the patch type perfluorohexanone fire extinguishing device body is further provided with penetrating holes communicated with the guide grooves, and the magnetic attraction layer is bonded to a bonding layer of the patch type perfluorohexanone fire extinguishing device body in a peelable mode. The adsorption device is used for adsorbing the patch type perfluorohexanone fire extinguishing device body on a cabinet body. The utility model belongs to the technical field of patch type perfluorohexanone fire extinguishing, and particularly relates to a mounting structure of a patch type perfluorohexanone fire extinguishing device.

The invention discloses a manufacturing method of an artificial all-round shuttlecock, and relates to the technical field of shuttlecock manufacturing. The invention greatly gets rid of the constraint of the type of a natural badminton feather rod, so that the badminton applying the technology not only has the flying hand feeling of a full-round badminton, but also has the beating resistance of a single-side feather rod badminton, and the practicability and the applicability of the badminton are ensured; the innovative shuttlecock'full circle making 'technology has great influence on the traditional natural shuttlecock; and the price of the high-end all-round shuttlecock is influenced, so that the shuttlecock with better quality and more economical price is brought to vast consumers, and the experience feeling of users is improved.

The utility model provides a cut-off device for batch production based on light guide columns, which belongs to the technical field of light column production and comprises a mounting seat, support frames symmetrically distributed about the central axis of the mounting seat are fixedly connected to the bottom wall of the mounting seat, a concave belt wheel group is rotatably connected to the inner wall of the mounting seat, and a transmission slide rail is fixedly connected to the bottom wall of the mounting seat. A stable sliding groove is formed in the side wall of the mounting base. The top wall of the mounting seat is fixedly connected with a clamping assembly; a transmission assembly is arranged on the bottom wall of the mounting base and connected with the clamping assembly through a transmission sliding rail. A limiting assembly is fixedly connected to the outer wall of the mounting base and used for adjusting the cutting length of the light guide column. A cutting assembly is fixedly connected to the top wall of the mounting base and used for cutting the light guide column. In the working process, the light guide column can be protected against friction with the device, damage is avoided, meanwhile, the clamping effect is enhanced, and the flatness of the cutting end face is improved.

The application provides a real-time conversion method for pixels and geographic latitude and longitude in low-altitude photogrammetry, which comprises the following three parts: unmanned aerial vehicle capability confirmation, real-time conversion service implementation deployment for pixels and geographic latitude and longitude in low-altitude photogrammetry, and GIS geographic information platform integration docking. Through real-time data collected by an unmanned aerial vehicle, combined with a computer vision algorithm and a spatial geometric transformation model, the specific pixel points in image data are associated with real geographic coordinates, so that accurate positioning and measurement of ground objects are realized. The application relates to the technical field of low-altitude photogrammetry, and through the cooperative work of real-time data collection by an unmanned aerial vehicle, real-time conversion service for pixels and geographic latitude and longitude in low-altitude photogrammetry, and a GIS geographic information platform, efficient mapping from a photographed image to a geographic coordinate is realized, and accurate and rapid technical support is provided for low-altitude photogrammetry.

The invention belongs to the technical field of wire drawing machines, and discloses a wire drawing machine for plastic woven bag processing, the wire drawing machine comprises a wire drawing machine body, one end of the top of the wire drawing machine body is fixedly provided with a support, and through cooperation of a stirring mechanism, a bubble removing mechanism and other structures, in the stirring process, bubbles in the stirring process are removed; an external air pump starts to work through an air conveying pipe connected with one side of the stirring barrel in a penetrating mode, air in the stirring barrel is pumped out, bubbles formed by air mixed in the raw material stirring process are pumped out, meanwhile, a bubble removing mechanism plays a role, and a fixed column, a movable plate and a threaded column on the two sides of a top cover are matched to achieve an adjusting effect; a first limiting hole and a second limiting hole which are matched with the threaded column are formed in the fixed column, the movable plate is connected with the fixed column through the threaded column, the bottom face of the movable plate is slidably connected with the sliding rail, the movable plate can flexibly move within a certain range under the elastic action of the spring, and the state of the whole bubble removing mechanism can be conveniently adjusted according to actual conditions.

The invention discloses an integrated machine for curing and straightening steel bars for engineering, comprising an outer frame, which is provided with a feed inlet and a discharge outlet, and a steel bar is passed through the middle; a movable frame is provided at the top and bottom of the outer frame, and the movable frame is limited and roughly adjusted by the cooperation of two nuts and a limit rod; a pressure rod is connected to the movable frame, and a pressure head is provided at the other end of the pressure rod, and the upper and lower pressure heads are buckled to squeeze the steel bar, and an adjustment device is provided between the movable frame and the outer frame for fine-tuning the movable frame; a movable device is also provided between the movable frame and the outer frame, and a pressure frame is provided inside the outer frame, and one end of the pressure frame is fixedly connected to the movable device, and a pressure roller is provided at the other end, and the upper and lower pressure rollers squeeze the steel bar, and the movable device is used to fine-tune the pressure roller. The invention ensures the adaptation effect of the entire equipment to steel bars of different diameters, and also increases the curing and straightening effect of the steel bar.

An aluminum-iron separation and compression device for zip-top cans comprises a supporting base, a feeding part, a conveying device, a movable clamping device, a cutting device and a compression device. The conveying device, the movable clamping device and the cutting device are all arranged on the supporting base, and the compression device is arranged in the supporting base. According to the device, through combination of reasonable mechanical design and electrical control, high automation of the whole process from feeding to final material output is achieved. The core assembly comprises a supporting base, a feeding part, a conveying device, a movable clamping device, a cutting device, a compression device and the like, each part is optimally designed for specific functions, and the accuracy of aluminum and iron separation is guaranteed while efficient operation of the whole process is guaranteed.

The invention relates to the technical field of crystal growth, in particular to a continuous feeding LEC crystal growth device and a crystal growth method. The crystal growth method comprises the following steps: S1, fixing an auxiliary crucible in a main crucible; s2, crystal raw materials are added into the main crucible and melted; s3, the heated dopant in the dopant injection chamber is added to a doping area in the auxiliary crucible; s4, the liquid sealing melt is injected into the chamber, and the heated liquid sealing melt is added into a crystal pulling area in the auxiliary crucible; s5, the main crucible and the auxiliary crucible are rotated, the seed rod is rotated and lifted, and the seed rod is annealed through an annealing heater; s6, the material supplementing amount is calculated, and the heated crystal melt in the material supplementing crucible is added to a material supplementing area between the main crucible and the auxiliary crucible; s7, the doping agent supplementing amount is calculated based on the supplementing amount, the crystal melt feeding amount and the doping agent feeding amount, the doping agent is added into the auxiliary crucible, and continuous feeding in the growth process of large-size crystals can be effectively guaranteed through the crystal growth method.