317results about How to "Reduce traffic" patented technology

The invention belongs to the technical field of artificial intelligence information security, particularly discloses a neural network privacy reasoning method and device based on winograd sparse convolution and differentiable activation function approximation, and aims at solving the problems that existing neural network privacy reasoning is high in calculation time delay and large in communication cost. And in combination with a multi-granularity weight pruning algorithm, the sparsity of a linear convolutional layer is maximized, and the communication cost required by the convolutional layer with dense multiplication is reduced. Meanwhile, collaborative optimization is carried out on a nonlinear activation function, a new activation function sensitivity and importance quantitative evaluation algorithm is designed, and an adaptive learnable polynomial function is introduced, so that the fitting precision of the activation function is improved, and the polynomial replacement loss is reduced; and the powerful prediction performance of the neural network model is reserved by using a multi-stage knowledge distillation method, and the calculation and communication efficiency of privacy protection neural network reasoning is effectively improved on the premise of not influencing the prediction precision.

The invention relates to the technical field of building shock insulation, and discloses a building shock insulation rubber support which comprises a bottom connecting plate and a top connecting plate, a damping rubber body is arranged between the bottom connecting plate and the top connecting plate, and a first through hole is formed in the middle of the damping rubber body; a plurality of fixing grooves are formed in the damping rubber body in the axial direction, and metal plates are arranged in the fixing grooves. By arranging the bottom connecting plate with the adjusting rod, one part of the adjusting rod is inserted into the damping rubber body, and one end of the adjusting rod is movably connected with the bottom connecting plate, after vibration is finished, if the damping rubber body cannot restore to the original shape, force is applied to one end of the adjusting rod through a hydraulic mechanism in a pushing or pulling mode, and the damping rubber body cannot restore to the original shape. Under pushing of the adjusting rod, resetting of the damping rubber body can be rapidly completed, and operation is convenient and rapid.

The invention relates to a multi-target unmanned ship hunting method and system. The hunting method comprises the following steps: selecting a proper hunting unmanned ship for a target unmanned ship as a bid invitation person according to information of the hunting unmanned ship and the target unmanned ship; the bid invitation person captures unmanned ships around to issue information for bid invitation; the bidder bids, and calculates the distance between the bidder and the target unmanned ship and the wrap angle of the target unmanned ship; the bid invitation selects an optimal bidder combination as a distribution result according to the distance and the wrap angle; after all the target unmanned ships are distributed, the adjacent target unmanned ships carry out local exchange on the surrounding unmanned ships; performing hunting, wherein the hunting is divided into cooperative approaching and cooperative hunting; when the difference value between the distance between the hunting unmanned ship and the target unmanned ship and the surrounding radius Rs is smaller than a given threshold value epsilon and the total surrounding angle is larger than or equal to 360 degrees, hunting succeeds; and if a target unmanned ship is caught, task redistribution is carried out, and if all the target unmanned ships are caught successfully, the caught task is ended. According to the multi-target unmanned ship hunting method provided by the invention, task allocation of multiple unmanned ships is carried out through an improved contract net algorithm, the speed is increased, and the result is better; and meanwhile, the improved particle swarm optimization is combined with a staged hunting method to realize hunting control of multiple unmanned ships, the hunting success rate is improved, and the method is stable and good in adaptability.

The invention relates to a touch all-in-one machine interaction control method and device, computer equipment and a medium, and the method comprises the steps: receiving image data through a preset video stream protocol, and obtaining a corresponding image data stream; acquiring a real-time network bandwidth condition, and then performing adaptive compression processing on the image data stream based on the real-time network bandwidth condition, and dynamically adjusting image transmission parameters; comprehensively analyzing the image data stream by using a deep learning algorithm, extracting operation characteristics of a user, generating an output control instruction based on the operation characteristics, and further controlling and adjusting image display and / or an equipment state; content information is extracted from the image data stream, and content analysis is carried out by adopting a corresponding content analysis strategy according to the content information, so that real-time display and / or storage are / is carried out according to the analyzed content; and obtaining a user interaction behavior, generating a corresponding adjustment feedback instruction based on the user interaction behavior, and performing personalized adjustment on the user interface. The method has the effect of improving the image transmission quality.

The invention discloses a strategy fusion and differential game-based decentration cooperative guidance method, which comprises the following steps of: aiming at the problem of cluster system collapse caused by missed missile leading, combining the differential game with a consistency formation theory to enable missiles to approach a target in a predetermined formation so as to realize decentration; aiming at the problem that an HJI equation coupled by a nonlinear system is difficult to solve, constructing a neural network by utilizing a self-adaptive dynamic programming technology to carry out online solving on an optimal control strategy of pursuit and escape parties; for the dilemma that multiple escape strategies are difficult to select due to the fact that pursuit control strategies always appear in pairs, an interest value function is introduced, and a strategy fusion mechanism is provided; for the problem of a local minimum value possibly occurring in an artificial potential field method, a dynamic adjustment factor is introduced, and collision avoidance among intelligent agents of the whole cluster system is achieved.

The invention relates to the technical field of information resource security management, and particularly discloses a security management method and system based on computer information resources and a storage medium, and the method comprises the steps: obtaining user identification information of a user, extracting a reference evaluation information set, analyzing a user behavior abnormal evaluation value, and judging a user behavior tag. If the user behavior label is judged to be in a potential risk mode, communication end current limiting is carried out, abnormal secondary verification is started, a user behavior abnormal verification evaluation value is analyzed, user behavior label re-judgment is carried out, and user permission locking measures are determined. Potential risks can be perceived in time, the situation that potential safety hazards are gradually expanded under the condition that the potential safety hazards are not perceived is avoided, and the user permission locking accuracy is improved. For a potential risk mode, communication end current limiting is carried out and secondary verification is started, so that network activities of abnormal users are effectively limited, security risks are reduced, the risk degree of user behaviors is comprehensively and accurately judged, and the stability of the system and the security of information resources are guaranteed.

The invention discloses a string type network energy storage converter control method, and the method comprises the steps: enabling an energy storage converter to take an SOC mean value as the feedback of an SOC equalization ring, and obtaining an SOC equalization ring output value; superposing the output value of the secondary frequency modulation ring, the output value of the SOC equalization ring and the output value of the primary frequency modulation ring as an active given value, and obtaining a reference value of the frequency through a VSG active frequency control ring; taking the output value of the secondary voltage regulating ring as a reactive given value, obtaining a reference value of a VSG reactive amplitude control ring through the primary voltage regulating ring, and obtaining a reference value of voltage through the amplitude control ring; inputting the obtained reference value of the frequency and the reference value of the voltage into a voltage and current double closed loop to obtain an output signal for following the reference values, and further generating a driving signal for controlling a switching tube of the energy storage converter; according to the invention, the communication load rate can be reduced, when large frequency and voltage fluctuation occurs, the voltage and frequency stability problem can be independently solved, the self-recovery control of secondary regulation is realized, and the frequency and the output voltage of the system are dynamically regulated in real time.

The invention relates to an air conditioner temperature and humidity independent control system and method based on two-stage coil chilled water. On the basis of the existing chip plant temperature and humidity independent control based on a fresh air processing unit, a return air drying and cooling coil and a fan filtering unit, low-temperature chilled water outlet of a water chilling unit firstly passes through a fresh air re-cooling coil; return water obtained after the temperature of the fresh air re-cooling coil pipe rises serves as water supply of the fresh air pre-cooling coil pipe and the return air cooling dry coil pipe, so that two-stage coil pipe chilled water is formed, and the return water of the fresh air pre-cooling coil pipe and the return water of the return air cooling dry coil pipe are mixed and then serve as chilled water return water of the water chilling unit. By increasing the return water temperature of the water chilling unit, the average evaporation temperature of an evaporator of the water chilling unit is increased. A bypass is arranged between an inlet and an outlet of the return air cooling dry coil, and the air temperature in the plant is controlled by adjusting the bypass flow through an electric two-way adjusting valve and a PID controller. Compared with the prior art, the invention has the advantages of high unit energy efficiency ratio, low refrigeration energy consumption, simplified system and the like.

The invention discloses a federated learning communication method, system and device, and the method comprises the steps: receiving a quantization model parameter and an inverse quantizer sent by each first client participating in the current round of federated aggregation in any round of federated aggregation of transverse federated learning; adopting an inverse quantizer corresponding to the target client to inversely quantize the quantization model parameter corresponding to the target client to obtain a reduced model parameter; and after the restoration model parameters corresponding to the first clients are obtained, aggregating the restoration model parameters of the first clients to obtain aggregated model parameters, and feeding back the aggregated model parameters to the first clients. Therefore, the federal learning communication efficiency is improved.

The invention provides a fuzzy privacy set intersection method and system, a medium and electronic equipment, and the method comprises the steps: carrying out the encryption processing of an initial data set X through a homomorphic encryption algorithm, obtaining first data, and obtaining a processed data structure D through a defined space Hash algorithm; the receiver performs homomorphic addition or scalar multiplication operation processing on the first data by using own data Y, and performs confusion processing by using a random number R to obtain second data; after the sender carries out Augment algorithm processing on the random number, a Hash algorithm is carried out to obtain a corresponding Hash value, and the Hash value is recorded as third data to be sent to the sender; and the sender decrypts the second data, processes the second data through an Augment algorithm, executes a PSI protocol with the receiver to obtain fourth data, and compares the third data with the fourth data to obtain intersection data. According to the method, an addition homomorphic technology is adopted for a novel application scene of intersection of the fuzzy privacy set, and compared with a full homomorphic technology in the prior art, the time consumption is less, and the communication is small.

The utility model discloses a drilling blowout preventer for coal mine water exploration and drainage, and relates to the technical field of coal mine water exploration and drainage. The device comprises a shell, a blowout prevention assembly is arranged at the bottom of the shell, a lifting seat is arranged in the shell, a motor is fixedly connected to the top of the lifting seat, the blowout prevention assembly comprises a protective cover, a sliding hole is formed in the center axis of the top of the protective cover, and a rotating rod is connected to the inner wall of the sliding hole in a sliding mode. The blowout prevention assembly is arranged, specifically, sprayed water flow can make contact with the first buffering ring and the second buffering ring, the two-time buffering effect is achieved, at the moment, the water flow flows in an S-shaped mode, along with continuous rising of the water flow, the water flow flows to the position above the intercepting ring through the intercepting ring, and at the moment, the impact force of the water flow is greatly weakened; and the water flow on the intercepting ring flows out through the water outlet, so that the spraying condition is avoided, and the damage to surrounding equipment and workers caused by the impact of the water flow is avoided.

The utility model relates to the technical field of underground water sampling, and discloses underground water sampling equipment with well washing and low-flow-rate sampling functions, which comprises an aquifer, a well wall arranged in the aquifer, a screen pipe fixedly connected to the inner wall of the well wall, a centrifugal pump arranged in the well wall, and a well washing pipe fixedly connected to an outlet of the centrifugal pump. According to the underground water sampling equipment with the well washing and low-flow-speed sampling functions, through the arranged cleaning mechanism, when impurities adhering to the outer side of a filter cylinder need to be cleaned, an inserting block can be moved out of the interior of a through opening, limiting is canceled, the filter cylinder can be pulled downwards, an inserting column is pulled out of the inner wall of an inserting base, and the filtering cylinder is pulled out; and similarly, the filter cartridge can be conveniently mounted under the action of the inclined surface of the insertion block, so that good mounting and dismounting efficiency can be achieved while cleaning is realized, the time consumed by workers is further saved, and the operation convenience of the device is improved.

The invention provides an intelligent sewage treatment HPB-MBR system and a control method. The sewage treatment device comprises a biochemical pool, a multi-stage rotational flow concentration mechanism and an MBR (Membrane Bioreactor) pool which are communicated in sequence, the biochemical tank comprises an anaerobic tank, an anoxic tank and an aerobic tank which are communicated in sequence. The multi-stage rotational flow concentration mechanism is communicated with the aerobic tank and comprises 2-3 stages of rotational flow concentration mechanisms which are connected in series. And the MBR tank is communicated with an overflow discharge hole of the first-stage cyclone concentrator. And the MBR tank is provided with a backflow pipeline and a drainage pipeline. And the return pipeline is communicated with the aerobic tank. The number of stages of the multi-stage rotational flow concentration mechanism is proper, so that sludge with relatively large specific gravity can be relatively thoroughly separated and flows back to the anoxic tank and / or the aerobic tank through the first reflux. Thus, the flow of the first reflux is relatively small, the concentration of sludge entering the MBR tank is low, the flow of the MBR tank for the second reflux is also small, the energy consumption is reduced, and the degree of influence of the second reflux on dissolved oxygen of the aerobic zone is reduced.

The invention provides a thermal management assembly, a thermal management system and a battery. The heat management assembly comprises a plurality of heat management parts, one heat management part is a first heat management part, and the other heat management parts are second heat management parts; the area of at least part of the overflowing cross section of the main flow channel of the first heat management part is smaller than that of the overflowing cross section of the main flow channel of the second heat management part. According to the application, the flow of the heat exchange medium in the first heat management part can be reduced, and the flow in the second heat management part can be increased, so that the consistency of the heat management efficiency of the isolated zero battery cell column and the heat management efficiency of the grouped battery cell column can be improved. Therefore, on the basis of ensuring the energy density of the battery and ensuring that each battery cell column is provided with the thermal management part, the uniformity of the thermal management assembly on the temperature management of the battery cells can be improved, so that the consistency of the grouped battery cell columns and the isolated zero battery cell columns in the aspects of charging and discharging, battery capacity attenuation, mechanical stress and the like is improved. Finally, the reliability of the battery can be improved.

The invention belongs to the technical field of federated learning, and more specifically relates to a privacy protection personalized federated learning method based on model hierarchical optimization. The method comprises the following steps: each client obtains a global model of a server side, updates a local model by using a training data set of a self-side, then performs hierarchical optimization on the local model, and determines partial model parameters to be uploaded of each client; partial model parameters to be uploaded by each client are cut, differential privacy noise is introduced, and then the model parameters are sent to a server side; the server side allocates a weight to each client according to the size of the data volume of each client, then aggregates the model parameters uploaded by each client to obtain a new global model, and sends the new global model to each client; and repeating the steps S1 to S3 until a set training round or convergence is achieved. According to the method, the problems of model performance influence and communication efficiency caused by heterogeneity in federal learning are solved while user privacy is guaranteed.

The utility model discloses a planetary gear reducer lubricating structure which comprises a planet carrier and further comprises an oil distributor body, and the oil distributor body is connected with the planet carrier through a connecting structure. One end of the oil distributor main body is concave downwards to form an oil collecting cavity, the oil collecting cavity comprises a baffle part located at one end of the oil distributor main body and an annular baffle part formed on the periphery of the baffle part, and a plurality of oil outlets are formed in the annular baffle part and correspond to a plurality of planetary gear pairs on the planet carrier. According to the technical scheme, after the oil distributor body is installed at one end of the inner hole of the planet carrier, the utilization rate of lubricating oil flowing out of the planet carrier is improved, meanwhile, the lubricating oil can be guided to a gear pair needing to be lubricated as much as possible, and under the condition that the gear pair emits heat equally, the lubricating oil can be evenly distributed. The flow of the used oil pump is smaller, the power consumption of the electric drive assembly is smaller, the cost of the electric drive assembly is lower, and the efficiency of the reduction gearbox can be improved by matching the structure with an active lubrication mode.

The invention relates to the technical field of data centers, and discloses a secondary side circulation pipe network and a data center liquid cooling system, the secondary side circulation pipe network comprises a circulation pipeline structure, a water quality monitoring system, a water quality purification system and a control system; the circulation pipeline structure is suitable for forming a circulation loop between the cooling capacity distribution unit and the liquid cooling cabinet; the water quality monitoring system is arranged on the circulating pipeline structure; the water quality purification system is arranged in parallel with the circulating pipeline structure and is used for diluting and purifying water in the circulating pipeline structure; the control system is connected with the water quality monitoring system and the water quality purification system and used for receiving water quality data transmitted by the water quality monitoring system and controlling connection and disconnection between the water quality purification system and the circulation pipeline structure according to the water quality data. According to the invention, real-time monitoring and data feedback of the water quality of the secondary side circulating pipe network are realized, and the ability of re-purifying and utilizing the deteriorated water quality and recovering good water quality is realized under the condition of no shutdown.

The invention relates to the technical field of machining, and discloses a drill bit with an efficient cooling function and a working method thereof.The drill bit comprises a machining table, an efficient and accurate drilling mechanism, a self-adjusting cooling mechanism and a synchronous oil injection lubricating mechanism; a back plate is fixedly arranged on the rear side of the top of the machining table, the back plate is perpendicular to the machining table, and a rotating disc is arranged on the top of the front side wall of the back plate. The efficient and accurate drilling mechanism is arranged, when a guide rod moves downwards, a positioning plate at the bottom is driven to move downwards till the positioning plate abuts against the top of a workpiece, at the moment, opposite sliding and compression of a first spring are generated between the guide rod and a movable block, and downward thrust is generated on the positioning plate, so that the workpiece is clamped and fixed in the vertical direction through the positioning plate; and by arranging a guide rod and a positioning hole, it can be guaranteed that the moving direction of the cutter is always located on the same vertical line, the punching precision of the workpiece is improved, and the punching position is prevented from deflecting.

The invention provides a sand remover capable of adjusting ventilation quantity. The sand remover comprises a shell; the sand removal mechanism comprises sand removal assemblies and a sand collection box, the sand removal assemblies divide the interior of the shell into a sand collection channel and an exhaust channel, each sand removal assembly comprises an air guide part and a rotating shaft, any air guide part comprises a movable blade, a sand removal channel is formed between every two adjacent air guide parts, and sand dust enters the sand collection box through the sand collection channels and is discharged from the rotating shaft; the gas subjected to sand removal enters the exhaust channel from the sand removal channel and then is exhausted; and the adjusting mechanism is connected to the sand removal assembly and drives the movable blades on the same air guide piece to be opened and closed relatively so as to adjust the ventilation quantity of the sand removal channel. According to the sand remover capable of adjusting the ventilation quantity, the ventilation quantity of the sand remover can be flexibly adjusted through the sand removing assembly, and therefore the sand remover can flexibly work according to actual use requirements. Compared with a conventional sand removing technology at the present stage, the sand remover has the remarkable advantages of being flexible to use, high in controllability, wide in application range, stable in sand removing effect and the like.

The utility model discloses a 3D printing nozzle with adjustable nozzle size, which comprises a connecting pipe installed on a 3D printer, the bottom end of the connecting pipe is fixedly connected with a nozzle, the connecting pipe is internally and fixedly connected with a fixing ring, the circumferential inner wall of the connecting pipe is symmetrically provided with two sliding chutes, the two sliding chutes are internally and slidably connected with a sliding plate, and the sliding plate is fixedly connected with the nozzle. A protruding block is fixedly connected to the top of the sliding plate, a connecting assembly used for pulling the sliding plate to move upwards is arranged on the circumferential outer wall of the connecting pipe, and the connecting assembly comprises a plurality of fixing bases. By reducing the hollow area of the fixing ring, the flow of materials used for 3D printing can be reduced, flow adjustment of the 3D printing spray head is achieved, the situation that the flow of the spray head is changed due to movement of the sliding plate can be prevented, the stability of flow adjustment of the 3D printing spray head is improved, flow recovery of the 3D printing spray head can be facilitated, and the service life of the 3D printing spray head is prolonged. And the convenience of adjusting the 3D printing spray head is improved.

The invention discloses a method for reducing slag entrapment of a tundish in the steel ladle exchange process. The technical problem of slag entrapment in the steel ladle exchange process in the prior art is solved. The method comprises the steps that a first steel ladle stops pouring and ascends; the second steel ladle is placed above the tundish and gradually descends, and meanwhile air is blown to a long nozzle of the second steel ladle till the long nozzle of the second steel ladle is inserted into the position, below 280 mm-320 mm, of the liquid level in the tundish; the long nozzle of the second steel ladle is connected with a skimmer, the skimmer comprises a connecting section and a skimming section which are connected with each other, the connecting section is connected to the long nozzle, and the outer diameter of the skimming section is sequentially reduced from top to bottom; the sliding plate of the second steel ladle is opened, so that molten steel in the second steel ladle flows into the tundish through the long nozzle, and steel ladle exchange is completed; the air blowing amount under the condition that the insertion depth H of the long nozzle is not greater than 150mm is greater than that under the condition that the insertion depth H of the long nozzle is greater than 150mm, so that slag entrapment is reduced. According to the method, the slag entrapment amount of the molten steel can be reduced, the cleanliness of the molten steel is improved, and the stamping cracking rate of finished products is reduced.

The invention discloses a multi-frequency ultrasonic vacuum emulsification reaction kettle and a using method thereof, and relates to the technical field of emulsification reaction kettles, the multi-frequency ultrasonic vacuum emulsification reaction kettle comprises a bottom plate, a supporting plate and a supporting cabinet are installed at the top of the bottom plate, the supporting cabinet is located on one side of the supporting plate, and partition plates are uniformly arranged in the supporting cabinet; an ultrasonic generator is installed between the partition plate and the supporting cabinet, connecting rods are installed on the outer wall of one side of the supporting cabinet and the outer wall of one side of the supporting plate, a reaction kettle outer cylinder is installed between the two sets of connecting rods, and a vacuum pump is installed at the top of the bottom plate. Emulsifying is carried out in a mode of combining multi-frequency ultrasonic cavitation and a vacuum environment, so that the emulsifying reaction can be carried out at lower temperature and pressure, the influence on heat-sensitive materials and volatile components is reduced, the device can be suitable for various materials with different properties, the application range of the device is expanded to a certain extent, and the production cost is reduced. Finer emulsification and dispersion effects are realized, the stability and quality of the product are greatly improved, and the production efficiency is improved.

The invention discloses a variable-flow submersed nozzle based on continuous cast steel production, and relates to the technical field of submersed nozzles, the variable-flow submersed nozzle comprises a base, the top surface of the base is provided with a flow control mechanism used for controlling the flow of cast steel liquid, and the top surface of the base is provided with an auxiliary flow mechanism used for assisting the flow of the liquid steel; the flow control mechanism can be blocked in the submersed nozzle, so that the flowing space of molten steel in the nozzle is reduced, the flow of the molten steel is controlled, a stop block is relatively simple to use, a complex flow control system and related equipment are not needed, the complexity and cost of the system are reduced, potential fault points are reduced, and the service life of the system is prolonged. The auxiliary flowing mechanism can knock the isolation plate, impurities attached to the isolation plate can be shaken off by knocking the isolation plate, the cleaning effect is achieved, blockage of a water gap can be reduced by cleaning the blocked isolation net, the fluidity of molten metal is improved, and therefore the production efficiency is improved, and the rejection rate can be reduced and the product quality can be improved by cleaning the blocked isolation net.

The utility model belongs to the technical field of fruit and vegetable processing machinery, and relates to fruit and vegetable differential pressure puffing and drying equipment combining infrared heating with water circulation cooling. The equipment comprises a puffing tank, a heating device, a cooling pipe group, a water tank, a vacuum tank and a controller, a material rack is arranged in the puffing tank, and a material tray is arranged on the material rack; the heating device comprises a heating assembly arranged above the charging tray, and a first temperature sensor is arranged on the heating assembly; the cooling pipe group is spirally mounted around the rack and provided with an input end and an output end, the input end is connected with the water inlet pipe orifice, the output end is connected with the water outlet pipe orifice, the water outlet pipe orifice is connected with a second temperature sensor, and the water outlet pipe and the water inlet pipe are both connected with the water tank; pressure gauges are arranged on the vacuum tank and the puffing tank, and a pressure release valve is arranged between the vacuum tank and the puffing tank; the controller is electrically connected with the heating device, the temperature sensor, the pressure gauge and the pressure release valve. According to the equipment, infrared and water circulation are creatively combined, so that heating is uniform and rapid in the drying process, and cooling is convenient and efficient.

This invention provides a coolant flow channel plate, relating to the technical field of vehicle thermal management. It includes a cover plate fixed to the top of a main board, with the main board and cover plate welded together at their side edges to form an internal flow channel cavity. The cover plate has refrigeration unit inlet / outlet assemblies on its surface. The main board has, from left to right, a heater pump mounting port, a battery pump mounting port, and a motor pump mounting port. The circuits between the heater pump and battery pump mounting ports, and between the heater pump and motor pump mounting ports, within the internal flow channel cavity are each equipped with a first anti-heat-spreading section. The circuit between the motor pump and battery pump mounting ports forms a variable-diameter section, with a second anti-heat-spreading section at its front end. A guide section is provided on the circuit of the battery pump mounting port. This invention solves the problem of lacking anti-heat-spreading structures at the connection points of circuits in different temperature ranges, achieving the technical effects of reducing vehicle weight, reducing vehicle connection piping, reducing heat loss in the thermal management system, and improving thermal management efficiency.

The utility model discloses a lithium battery breathing type liquid injection system which comprises a liquid injection production line, the liquid injection production line is a rectangular liquid injection production line and comprises a feeding retainer cup tray, a liquid injection unit, a vacuumizing unit, a turnover unit and a turnover discharging unit which are sequentially arranged, and a conveying line is connected between every two adjacent liquid injection units to form a rectangular closed loop; a feeding mechanical arm and a feeding conveying belt are arranged beside the feeding sleeve cup tray, and a discharging mechanical arm and a discharging conveying belt are arranged beside the turnover discharging unit. The conveying line is a rubber-coated roller conveying line, and a battery positioning module is arranged on the conveying line. The lithium batteries are circularly injected and vacuumized in batches through the rectangular production line, so that the problem of non-uniform infiltration of the existing batteries is solved, the high-temperature standing time of the batteries is shortened, the occupied space of a plant is reduced, and the equipment cost is reduced.

The application provides a target positioning method based on multi-station long-time passive angle measurement, which is applied to an information collection node and comprises the following steps: obtaining angle information of a target collected by a passive sensor in a preset time period, and a sampling position and a sampling time of the passive sensor; estimating a first sampling position and a first motion speed corresponding to the passive sensor at a first time according to the sampling position and the sampling time of the passive sensor; estimating first angle information of the target corresponding to the passive sensor at the first time according to the angle information of the target collected by the passive sensor and the sampling time; and sending the first sampling position, the first motion speed and the first angle information corresponding to the passive sensor to an information fusion center, so that the information fusion center estimates the position and the speed of the target at the first time according to the first sampling position, the first motion speed and the first angle information corresponding to the passive sensor, and the communication amount can be reduced and the positioning precision can be improved.

A die adjusting device of a press machine comprises a plunger type cylinder, a guide column, a nut lifting driving mechanism, an adjusting nut, a fixing seat and an upper cross beam. The lower ends of the guide columns are fixed to the base, and the upper ends of the guide columns penetrate through and extend out of the upper beam which is in sliding fit with the guide columns. A cylinder body of the plunger type cylinder is fixed to the fixing base, the fixing base is installed on the upper cross beam, and a plunger of the plunger type cylinder is arranged at the upper end of the guide column. The adjusting nut is sleeved outside the guide post in a penetrating manner, is in threaded connection with the guide post, is positioned above the upper cross beam and in the fixed seat, and is driven by the nut lifting driving mechanism to ascend or descend along the guide post; and the nut lifting driving mechanism is mounted on the upper cross beam. The die adjusting device of the press machine is simple in structure, simple in die adjusting and high in die adjusting precision.

The application relates to a water conservancy ditch sludge treatment device and a treatment method thereof, which comprises a sludge collecting mechanism for collecting and flocculating sludge, a mechanical extrusion mechanism for extruding flocculated sludge water and forming a mud cake to discharge free water in the sludge, and an electro-osmotic water filtering mechanism for continuously filtering water in the ice by the electro-osmotic mode to discharge bound water in the mud cake. The mechanical extrusion mechanism comprises a filter chamber for extruding water after collecting flocculated sludge water, a collecting assembly for collecting water at the bottom of the filter chamber, and a judging assembly for monitoring the flow rate of the mechanical extrusion water. If the flow rate is lower than a preset threshold value, it is determined that mechanical dewatering reaches the limit, the mechanical filter chamber bottom water outlet is closed, and the electro-osmotic water filtering mechanism is opened. The mechanical extrusion and the electro-osmotic mode are matched with each other, the effect of fully discharging sludge water is realized, and the efficiency of sludge recycling is improved.

Provided are a battery cell, a battery, an electrical apparatus, and a method and device for manufacturing a battery cell. The battery cell includes a case (110), an end cover (120), an electrode assembly (130) and a solder (140), the case (110) has an accommodating cavity (111) and an opening at one end; the end cover (120) is connected to the case (110); the electrode assembly (130) is provided in the accommodating cavity (111), the electrode assembly (130) has a first tab (131), and the first tab (131) faces the opening; the solder (140) is provided between the end cover (120) and the first tab (131) and connects the end cover (120) and the first tab (131); an insulating member (150) is also provided between the end cover (120) and the first tab (131), an insulating cavity (151) is provided on the insulating member (150), a feed port (152) is provided on one side of the insulating cavity (151), and the feed port (152) faces the solder (140).