41results about How to "Precise maintenance" patented technology

The invention relates to the technical field of geotechnical engineering, in particular to a bedding side slope stability judgment method and system, and the method comprises the following steps: scanning a target bedding side slope by using an ultrasonic sensor based on the position information of the bedding side slope, recording a three-dimensional geological structure image of the side slope, detecting the positions of cracks and cavities, and generating a bedding side slope structure image. According to the method, an ultrasonic sensor is used for scanning a slope, internal cracks and cavities are recognized, stability problems are found in the early stage, side slope rock and soil characteristics are recognized in combination with physical and chemical attribute measurement, a three-dimensional geologic model is constructed through terrain scanning, and interaction between soil particles and rocks in multiple scenes is simulated; according to the method, the behaviors of the slope under various natural and artificial conditions are analyzed, the instability behavior of the slope is identified, the influence of various factors on the stability of the slope is evaluated, the ability of taking precautionary measures for various risk factors is enhanced, and a decision maker is helped to make accurate maintenance and intervention decisions.

The invention relates to a DRX timer maintenance method, equipment, a device and a storage medium. The method comprises the following steps: if multiple sets of discontinuous reception (DRX) configurations exist for a first target object, determining the length of each DRX timer corresponding to a hybrid automatic repeat request (HARQ) process based on a preset rule; by adopting the method, the DRX timer can be maintained.

The invention discloses a server test environment guarantee method and system based on dynamic simulation, a storage medium and computer equipment. The method comprises the steps that the air inlet temperature, real-time power consumption and heat dissipation strategy signals of a tested server and the actual environment temperature of an incubator are collected in real time; dynamically setting the temperature of the air inlet of the tested server as the target environment temperature of the incubator, and calculating the real-time temperature deviation between the actual environment temperature and the target environment temperature; if the real-time temperature deviation exceeds a preset threshold value, a dynamic PID control algorithm is triggered, a basic control quantity is obtained through calculation according to the real-time temperature deviation through the dynamic PID control algorithm, a dynamic compensation quantity is obtained through calculation according to the target environment temperature, the real-time power consumption and the heat dissipation strategy signal, and the heat dissipation strategy signal is obtained based on the basic control quantity and the dynamic compensation quantity. Generating a temperature control instruction of the incubator; according to the temperature control instruction, a refrigerating or heating device of the incubator is dynamically adjusted so as to guarantee the test environment of the tested server.

The invention relates to the technical field of power plant equipment management, and particularly discloses an intelligent power plant equipment management system, and the system specifically comprises an equipment data collection and judgment module which collects the real-time voltage of equipment in a power plant, judges whether the voltage of the equipment is abnormal or not, and generates a voltage abnormal signal; the abnormal data calculation and processing module is used for acquiring a corresponding time unit based on the generated voltage abnormal signal, performing data processing and calculating an abnormal time characterization value; and the abnormity judgment module is used for comparing the abnormal time characterization value with an abnormal time characterization threshold value and judging the severity of the voltage abnormity in the abnormal time unit. Therefore, by monitoring the voltage of the equipment and performing abnormity judgment, abnormity of the equipment can be known and found in time, and further analysis is performed based on the abnormal time, so that the severity of a fault of the equipment can be assessed, and which level of countermeasures can be taken can be determined in an assisted manner; and the maintenance strategy can be optimized.

The invention provides an elevator operation vibration detection and adjustment system and method, and relates to the technical field of elevator safety. The system comprises a parameter learning unit, a data acquisition unit, a data processing unit, a control unit and a maintenance interaction unit, the method comprises the following steps: pre-learning key parameters of a shaft, collecting the running state and vibration data of the elevator in real time, realizing accurate recognition of vibration abnormity through multi-dimensional filtering and spectral analysis, executing a grading response strategy in combination with abnormal positions, types and degrees, including maintenance early warning, running parameter dynamic adjustment or running prohibition, and assisting in maintenance through a maintenance interaction unit. Manual on-site detection is not needed, vibration hidden dangers can be actively recognized and dynamically controlled, the risk that a vibration reduction mechanism conceals mechanical abnormity is avoided, elevator operation safety and riding comfort are improved, and meanwhile maintenance efficiency is improved.

The utility model discloses a current collector overhauls system, include: current collector dismounting platform, first plane transmission equipment, its loading end is butt jointed with current collector dismounting platform and sets up, and the unloading end is butt jointed with the cleaning equipment and sets up, via the current collector dismounting platform dismounting's current collector spare is placed in the lifting appliance, cleaning equipment, including a plurality of sequentially arranged cleaning platform, suspension type transmission equipment, set up in the cleaning equipment top, to with lifting appliance is sequentially transmitted to each cleaning platform place, second plane transmission equipment, its loading end is butt jointed with cleaning equipment, and along second plane transmission equipment side setting has a plurality of overhaul equipment. The utility model discloses a current collector overhauls system, can realize the overall, accurate, effective overhaul to current collector, and based on first plane transmission equipment, suspension type transmission equipment and second plane transmission equipment connection overhaul whole process, improve the overhaul efficiency.

The utility model relates to the technical field of power supplies, and discloses a power supply device with an underneath storage location radiator, which comprises a transverse frame, a cabinet body shell and a needle bed power supply device main body, the cabinet body shell is clamped on the inner wall of the side surface of the transverse frame, the inner wall of the side surface of the cabinet body shell is fixedly connected with an electric control board main body, an adjusting mechanism is arranged on the transverse frame, and the needle bed power supply device main body is fixedly connected with the cabinet body shell. An auxiliary mechanism is arranged on the adjusting mechanism, the adjusting mechanism comprises a lap joint frame, the lap joint frame is fixedly connected to the outer wall of the rear side of the transverse frame, a sliding groove is formed in the inner wall of the top of the lap joint frame, and heat dissipation mounting frames are slidably connected to the inner walls of the left side and the right side of the sliding groove. According to the utility model, through the splicing frame structure in which the transverse frame, the longitudinal frame and the vertical frame are mutually fixed through threads, the layout can be flexibly adjusted according to the number of placed equipment, the space is effectively saved, and the occupied area is reduced; internal equipment is concentrated below the small radiator, a radiating path is optimized by utilizing the lower radiator, and a stable and uniform-temperature environment is formed.

The invention discloses a large-volume coarse aggregate UHPC maintenance method based on temperature and humidity joint control, and the method comprises the steps: scanning an infrared temperature image and an infrared humidity image of a coarse aggregate UHPC structure in a maintenance process through an infrared temperature and humidity scanner, constructing a three-dimensional coordinate system, and calculating the coordinates of a pixel projection grid; fusing two adjacent infrared temperature images and infrared humidity images to obtain representative temperature and representative humidity; constructing an absolute temperature rise model and a three-dimensional heat conduction equation, and calculating a real-time ideal temperature; and formulating a temperature and humidity combined control maintenance measure. Joint detection of the temperature and humidity of each point position on the surface of the structure is realized by combining thermal imaging scanning and an image processing technology, accurate temperature and humidity joint control maintenance is performed by combining the surface humidity, accurate maintenance of a large-volume coarse aggregate UHPC area is realized, and the maintenance quality can be effectively improved.

The application discloses a converter automatic slag splashing control method and system based on deep learning, relates to the technical field of converter steelmaking, and acquires a current converter opening image in a slag splashing process in real time, then inputs the current converter opening image into a trained deep learning model, judges whether the current slag splashing type is in a non-slagging state or a slagging state, returns to step S1 if the current slag splashing type is in the non-slagging state, and determines the current slag amount according to the current converter opening image if the current slag splashing type is in the slagging state, and finally controls the oxygen lance to perform corresponding processing actions according to the current slag amount, so that the problem of slag block misjudgment caused by light and smoke interference in the non-slagging state is avoided, and the accuracy of slag splashing control is improved.

The utility model discloses a glass tempering heating furnace, which relates to the technical field of heating furnaces, and comprises a base, two sides of the base are fixedly connected with a portal frame, one side of the portal frame is fixedly connected with a motor I, the top of the portal frame is fixedly connected with a motor II, the top of the base is provided with a swing mechanism, and the swing mechanism comprises a moving frame. The bottom of the moving frame is slidably connected with a base, the two sides of the moving frame are rotatably connected with a plurality of material rollers, one ends of the material rollers are fixedly connected with chain wheels, the chain wheels are connected through a chain, the bottom of one side of the portal frame is rotatably connected with a rotating shaft, and the top of the rotating shaft is slidably connected with a lower gear. By arranging the swing mechanism, glass in the furnace is evenly heated, the upper furnace body can be lifted in a targeted mode, and the problem that a traditional heating furnace is inconvenient to overhaul is solved.

The invention relates to the technical field of picture processing, in particular to a power distribution network overhead line picture hierarchical knowledge mining method based on intelligent image recognition, and the method comprises the following steps: data standard examination, model design, training and iterative optimization. The method comprises the following steps: acquiring unmanned aerial vehicle inspection data of an overhead line of a power distribution network, carrying out manual annotation on the inspection data to form a fine annotation data set, carrying out model training and evaluation based on the fine annotation data set, and carrying out iterative optimization according to an evaluation result until a model effect reaches a practical level; the knowledge based on hierarchical mining supports power distribution digital intelligence high-level application service, auditing of equipment and elements, and sample collection of algorithm cultivation. Defect identification, collection, re-checking and work order pushing processes taking the tower as a unit are highly automatic, so that the efficiency and accuracy of defect processing are greatly improved, human errors are reduced, and the timeliness and effectiveness of power grid maintenance work are ensured.

This disclosure provides a display control method and device, electronic equipment, and storage medium for a mine safety monitoring system, relating to the field of monitoring technology. By constructing display modules to splice together a mine display surface, a distributed signal processing system is used to uniformly process multi-source heterogeneous monitoring signals from underground mines and generate a network data stream that can be visualized and dragged for layout. The system performs regional time-sequential power-on management on the mine display surface and adaptively adjusts the driving parameters of the corresponding display areas based on the operating status information collected by sensors. Simultaneously, when a pixel-level anomaly is detected, a pixel compensation mechanism is triggered, and an anomaly report with precise location identifiers is generated synchronously. Therefore, it can solve the problems in existing technologies such as poor protection performance of display devices, complex and rigid multi-source signal processing, inconvenient layout operation, loss of image integrity when pixels are abnormal, and difficulty in fault location and maintenance.

The present invention provides a device networking method and system based on IPv6 protocol, comprising: when registering a device, first read the sequence number in its own unique identifier, combine it with the bytes generated by a random number generator to generate a network card identifier and a local link address, trigger a multicast neighbor request, combine it with the router IPv6 network address prefix to form the device IPv6 address, register the identifier information with the system, set the object to complete the registration; in the monitoring of the device IPv6 network address change, listen to the ICMP6 protocol routing announcement, and when the router network prefix changes, regenerate and re-register the IPv6 address with the new prefix and the network card identifier; in terms of system functions, receive registration information and register related content, remotely set parameters, perform user and device management, and the device management covers multiple functions such as remote online software upgrade; the present invention can simplify address management, reduce the use threshold and cost, enhance the device management function, and improve the dynamic address processing efficiency, thereby overcoming the shortcomings in the prior art.

The application discloses a macrobrachium rosenbergii three-dimensional flat plate recirculating aquaculture system and method, which comprises a system support, a three-dimensional flat plate aquaculture unit and a recirculating water treatment unit. The three-dimensional flat plate aquaculture unit comprises a plurality of flat plate water tanks arranged on the system support. A water inlet pipeline is arranged above the top of the flat plate water tank and supplies water to the flat plate water tank in a downward spraying manner. A water level control overflow port is arranged on the side wall of the flat plate water tank. A sewage discharge hole array is arranged on the bottom of the flat plate water tank. A water collecting tank is fixedly connected to the outside of the bottom of the flat plate water tank. The sewage discharge hole array is in communication with the water collecting tank. The water collecting tank and the overflow port are connected to a recirculating water pipeline. The recirculating water pipeline is connected to the input end of the recirculating water treatment unit. The output end of the recirculating water treatment unit is connected to the water inlet pipeline, thereby forming a closed loop circulation, and the specific growth rate and the weight gain rate of the macrobrachium rosenbergii are greatly improved.

The invention relates to the technical field of intelligent event processing, and provides an event dialogue collecting and processing method and system.The method comprises the steps that a corresponding cache instance is created according to a received dialogue request, and the cache instance is initialized; modifying a preset information extraction cue word template according to the cache instance, obtaining an information extraction cue word, and updating slot position information of the cache instance according to the information extraction cue word; when a picture is received in the dialogue, the cache instance is updated by analyzing and adding picture information, and when an instruction of deleting the picture is received in the dialogue, the picture is deleted by modifying the picture information in the cache instance; and modifying a preset content reply prompt word template according to the cache instance, obtaining a content reply prompt word, and generating dialogue reply content according to the content reply prompt word. Through accurate cache management, slot state control and picture content maintenance, the information acquisition and processing flow is optimized, the response speed and the data processing precision of the system are improved, and the intelligent level of user interaction is improved.

The present invention provides a detection method and system for the inside of a switch cabinet based on defect reconstruction technology, which relates to the field of defect detection technology, including obtaining a cross-sectional boundary temperature curve at the position of the highest temperature point, and using the cross-sectional boundary temperature curve as the temperature input for defect reconstruction and positioning; using a multi-layer equivalent analysis module for processing, and using a multi-layer rectangular parallelepiped structure model as a model input for defect reconstruction and positioning; simulating defects occurring during material manufacturing to obtain prior information on material defects; obtaining preliminary positioning information on potential defects inside the switch cabinet; using known quantities to correct the result value of the piecewise polynomial singular value truncation decomposition method to obtain a corrected result; determining the reconstruction and positioning result of the defect inside the switch cabinet, and clarifying the location and type of the defect based on the reconstruction and positioning result. The beneficial effects of the present invention are to improve the intelligent level of defect detection and realize comprehensive monitoring and management of complex engineering structures.

The present invention relates to the technical field of piston ring group wear monitoring, specifically a method and system for predicting the wear life of a piston ring group; firstly, the working status data of the piston ring group is collected in real time, and the improved wavelet transform is used for denoising and the missing data is processed by the KNN interpolation method, then the data after standardization and normalization is processed, and the filter label generation and audit mechanism are used to ensure the ordered homogeneity of the data, and an ultra-limited learning machine model is constructed, and the hidden layer output matrix is ​​calculated by randomly generating hidden layer weights and bias vectors, and the model parameters are optimized by the white whale optimization algorithm to improve the prediction accuracy, and then the remaining life is predicted, and the final prediction result is used to calculate the fault risk coefficient, and compared with the preset threshold value to provide maintenance suggestions, and the real-time data and prediction results are displayed to assist users in making maintenance decisions. The present invention combines advanced signal processing technology and machine learning algorithms to improve the maintenance efficiency of the piston ring group and the reliability of equipment operation.

The utility model relates to the technical field of robot detection, and discloses a precision detection device for a surgical robot system. The surgical robot system precision detection device comprises a test device base, and a mounting structure is arranged at the top end of the test device base. By arranging the mounting plate, the mounting insert, the mounting groove, the clamping block and the clamping groove, a matched test mold is selected according to the model of a surgical robot to be detected, the test mold is placed on the test device base, the test mold is clamped through the mounting insert and the mounting groove at the bottom end of the mounting plate, and the test mold is clamped and fixed through the movable rod, the clamping block and the clamping groove; if yes, the test mold is rapidly fixed to the test device base, finally, the test device base is fixed to the surgical operation table, at the moment, the test mold simulates the geometrical morphology of the human skeleton through the detection cavity and is used for testing, and meanwhile a test image of the test mold is obtained through medical imaging equipment.

The invention discloses a main transformer multi-mode detection device, and relates to the technical field of main transformer detection equipment, the main transformer multi-mode detection device comprises hardware and software, the hardware comprises a detection device main body, a digital display board, a connecting cable, a connecting piece, a stabilizing mechanism and a limiting piece, the software comprises a control unit, and a mounting groove is formed in the detection device main body. A mounting groove is formed in the detection device body, a detector is arranged in the mounting groove, a stabilizing mechanism is mounted between the detector and the detection device body, connecting pieces are fixedly connected to the two sides of the lower portion of the detector, the connecting pieces are detachably connected with limiting pieces, and three-phase connecting cables are fixedly connected to the sides, away from the connecting pieces, of the limiting pieces; according to the device, a rotating block is rotated to drive an adjusting block to turn over along a rotating shaft of a second mounting frame, the position of the adjusting block in a transmission groove is changed, meanwhile, when the adjusting block moves, a first transmission wheel is driven to turn over, so that a driving wheel is driven to be matched with a three-phase connecting cable, the three-phase connecting cable moves vertically, and a limiting piece is stressed to be matched with a connecting piece.

The invention relates to a distributed new energy grid-connected consumption information acquisition device, and belongs to the technical field of consumption information acquisition. The distributed new energy grid-connected consumption information acquisition device comprises spiral protective sleeves which are uniformly distributed; the protection devices are uniformly distributed and are mounted on the surface of the spiral protection sleeve; the locking devices are evenly distributed, the locking devices are installed on the surface of the spiral protective sleeve, and every two adjacent locking devices are connected in a clamped mode; wild animals biting the wire are driven through the high-speed airflow and the odorizers, the abrasion degree and the collision impact force of surrounding objects to the wire are reduced through the elastic and protruding design, the damage probability of the wire can be reduced, and it is ensured that absorption information can be normally collected.

The present invention discloses a method for identifying substation equipment based on three-dimensional template matching. A three-dimensional point cloud model of a construction site is generated by laser point cloud technology, a BIM model of the substation equipment in a narrow space is established, and then the target model is loaded into the three-dimensional point cloud environment on site for simulated installation. Previewing the construction process can help construction personnel predict the potential safety hazards and various collision problems in the construction process. The potential safety problems of the design model during the construction process can be predicted, and the collision between the model and any object in the actual installation environment can be intuitively detected. The optimal planning of the construction method and path can be achieved by analyzing the relative position of the construction site in the simulated environment. By simulating and previewing the installation process and installation time of substation equipment or other objects inside the substation in a complex environment, a large amount of time loss caused by collision problems at the construction site can be effectively avoided, and the personal safety of construction personnel can also be ensured.

The invention provides a flexible constant-temperature sleeve and a constant-temperature system.The constant-temperature system comprises the flexible constant-temperature sleeve and an electric heating device supplying power to the flexible constant-temperature sleeve, the flexible constant-temperature sleeve comprises a constant-temperature part and a connecting part located on the periphery of the constant-temperature part, and the constant-temperature part comprises a waterproof flame-retardant layer, a heat preservation layer and a heating layer which are sequentially arranged in a stacked mode; the fixing part is arranged around the edge of the constant-temperature part, the constant-temperature part formed by the waterproof flame-retardant layer, the heat preservation layer and the heating layer is fixed into a whole, the connecting part is connected with the constant-temperature part through the fixing part, the heating layer comprises a fixing unit and a resistance wire, and the fixing unit is formed by needling two layers of polyester non-woven fabric. A channel for the resistance wire to penetrate through is formed in the non-needling part, the resistance wire is fixed through the channel, the heat preservation layer and the fixing unit are also subjected to flame retardant treatment, and the two ends of the resistance wire are connected with the electric heating device. According to the scheme, the structure of the flexible constant-temperature sleeve is simplified, the flexible constant-temperature sleeve is not prone to spontaneous combustion at high temperature, and the use safety is improved.

The invention provides a digital twinning-based power equipment comprehensive monitoring and predictive maintenance system and method. The system comprises a physical layer, a data acquisition and transmission layer, a digital twinning model layer, a data analysis and intelligent early warning layer and a decision support and visualization layer. The method comprises the steps of data acquisition, model driving, simulation, calculation evaluation, early warning and feedback optimization. According to the method, equipment faults are predicted in advance by means of a digital twinning technology and a machine learning algorithm. The system can accurately analyze the health state of the equipment and predict the remaining service life of key parts by continuously monitoring equipment operation parameters such as vibration, temperature and pressure and combining historical data and an equipment operation mechanism. Once the health index of the equipment is lower than the preset threshold value or the remaining service life is close to the safety margin, the system immediately and automatically gives an early warning, and maintenance personnel can arrange maintenance work in advance, so that unplanned shutdown caused by sudden failure of the equipment is avoided, and the production continuity is ensured.

The utility model relates to the technical field of automobile accessories, and discloses an energy absorption device of an automobile bumper, which comprises an anti-collision beam, a hydraulic cylinder body is fixedly connected to the upper surface of the anti-collision beam, a buffer air bag is fixedly connected to the upper surface of the hydraulic cylinder body, and an oil inlet and outlet pipe is fixedly communicated to the side surface of the hydraulic cylinder body. The side end of the oil inlet and outlet pipe fixedly communicates with a liquid storage bag. Through the arrangement of the buffer air bag, the U-shaped plate, the inflation box, the air pushing block, the strip-shaped groove, the limiting block, the observation hole, the transparent graduated scale and the three-way air pipe, when the first transverse pipe and the second transverse pipe in the three-way air pipe are communicated, air in the inflation box can be pushed to the buffer air bag by pushing the air pushing block, and the air in the inflation box can be automatically inflated by observing the pushed distance of the air pushing block. Therefore, whether the buffering air bag is abraded or not can be visually judged, maintenance personnel can accurately judge whether the buffering air bag is abraded or not, and maintenance of the energy absorption device is more accurate.

The present invention discloses a method for monitoring the performance of a molded case circuit breaker, comprising the following steps: obtaining the corresponding closing and opening time, tripping and opening time, and tripping and opening time point; determining the shape of a relationship curve characterizing the relationship between the tripping speed and the tripping and opening time point; determining the slope corresponding to each tripping and opening time point; determining the number of tripping times and the tripping frequency within a preset period; determining a consumption coefficient function; determining the total tripping consumption according to the consumption coefficient function; determining a performance attenuation coefficient; and determining a comprehensive health status level of the molded case circuit breaker. The present invention determines the comprehensive health status level of the molded case circuit breaker based on the acquired relevant data, so that the user can give an early warning of the circuit breaker usage and accurately locate problems, perform precise maintenance on the molded case circuit breaker, and enhance the safety of use and the safety of the entire circuit system. The present invention also discloses a device, an electronic device, and a computer-readable storage medium for implementing the above method.

The invention relates to the field of hemostasis headbands, and discloses an individual soldier head intelligent pressurization hemostasis headband which comprises a hemostasis headgear, multiple sets of pressing air bags are evenly distributed in the hemostasis headgear, a tightening hook-and-loop fastener is arranged on the lower side of the hemostasis headgear, and three sets of fixing hook-and-loop fasteners are arranged on the upper side of the hemostasis headgear. The left side and the right side of the hemostasis head sleeve are each provided with an installation base, the sides, away from each other, of the two installation bases are provided with a remote control air pump through an installation assembly, and the outer side of the hemostasis head sleeve is provided with a remote control device. The head band further comprises a control module, an air supply module, a man-machine interaction module, a pressure sensing module, a partition closed-loop control module, a wireless communication module and an emergency manual mode module. By means of partitioned closed-loop control of the multiple sets of pressing air bags, accurate adjustment and maintenance of pressure of all areas of the head are achieved, and a wearer can rapidly and controllably complete multi-area hemostasis under the single-soldier operation condition.

This utility model discloses a tea bar machine, comprising: a cabinet body, the upper and lower parts of which are divided into a storage chamber and a water storage chamber; an inner tank assembly, the inner tank assembly including an outer barrel chamber arranged adjacent to the storage chamber within the cabinet body, a heating barrel body detachably disposed within the outer barrel chamber, and a heating device; a water pump assembly, the water pump assembly being disposed within the cabinet body; a tea bar machine tabletop, the tea bar machine tabletop being fixed to the top of the cabinet body, and a hinged flip-top on the tea bar machine tabletop; and a tea bar machine backrest, the tea bar machine backrest being detachably connected to the tea bar machine tabletop, and equipped with a water outlet assembly. This utility model features a reasonable structural design. The detachable heating barrel body and heating device within the inner tank assembly facilitate heating and maintenance. The water pump assembly ensures precise water delivery. The flip-top of the tea bar machine tabletop and the detachable backrest facilitate operation of the heating barrel body, achieving overall flexibility and enhancing the user experience.

Embodiments of the present application disclose a kind of construction engineering drawing jump link automatic generation method, device, equipment and medium, involve jump link generation technical field.The method includes: receiving drawing file, identifying jump source and jump target from the drawing file;Based on the jump source, generate jump source object and generate jump target object based on the jump target;From all the jump target object, determine the target jump target object matched with the jump source object;Establish the jump link between the jump source object and the target jump target object.The present application solves the core problems of low efficiency, insufficient accuracy and maintenance difficulty of prior art by integrated process of automatic identification, object structured construction, intelligent matching and automatic link establishment, provides efficient, accurate and sustainable maintenance drawing correlation navigation technology support for large engineering projects.

The invention relates to the technical field of deep hole drilling machines, in particular to an ultrasonic numerical control deep hole drilling machine. The technical scheme comprises a machine body; the guide rail is mounted on the machine body; the workpiece fixing module and the drilling module are slidably mounted at two ends of the machine body through guide rails; the first limiting module is installed on the machine body and located between the machine body and a first limiting sleeve is embedded in the first limiting module. The vertical plate is installed at the end, close to the drilling module, of the machine body. The guide rod is mounted on the machine body through the first limiting module and the vertical plate; the second limiting module is slidably installed on the guide rod and locked and fixed through a bolt, and a second limiting sleeve is embedded in the second limiting module. The hydrodynamic force and cooling system is connected between the drilling module and the workpiece fixing module, and when the drilling module conducts feeding motion, the system drives the workpiece fixing module to move oppositely and conveys cooling liquid to a machining part. Accurate limiting is achieved through the double limiting modules, the fluid system synchronously drives workpieces to feed oppositely and convey cooling liquid, and the drilling precision and efficiency are effectively improved.

The application relates to the technical field of safety monitoring and health management of electrochemical energy storage systems, in particular to a kind of energy storage battery module safety diagnosis and control device and method fusing distributed pressure sensing and multi-physical parameter time sequence analysis, which comprises a distributed pressure sensing module, a temperature sensing module, an electric parameter acquisition module, a synchronous control module, an edge computing module and an execution control module.The distributed pressure sensing module comprises a two-dimensional pressure distribution thermal map of a first pressure sensing array film at an end and single-cell expansion force data of an internal second pressure sensing unit, which can distinguish abnormal spatial positions of end cells and internal cells; spatial gradient analysis of the end pressure distribution thermal map can identify specific areas of local bulging or gas aggregation, realize fault positioning at the cell level and even sub-regional cells, and guide accurate maintenance.