28results about How to "Even load distribution" patented technology

The invention discloses an efficient control and adjustment method for power grid energy storage batteries, and relates to the technical field of electric power energy storage, and the method comprises the steps: obtaining a plurality of energy storage batteries in a preset power grid energy storage module; performing battery control consistent classification to generate a plurality of groups of battery control units; carrying out the optimization of the charging and discharging speed and the charging and discharging depth for multiple groups of battery control units, and generating a plurality of bidirectional optimal control parameter sets; when the control center sends a charging instruction, the charging control parameter with the minimum battery attenuation index is extracted to perform charging control on the multiple groups of battery control units; and when the control center sends a discharge instruction, carrying out load balance distribution according to the plurality of bidirectional optimal control parameter sets, and carrying out discharge control on the plurality of groups of battery control units according to a balance distribution result. According to the invention, the technical problem of non-uniform load distribution during charging and discharging of the battery in the prior art is solved, and the technical effects of balanced load distribution for charging and discharging of the battery and improvement of the overall performance of the energy storage system are achieved.

The invention relates to a secondary water supply optimal scheduling method and device for a building, and aims to realize efficient, stable and intelligent operation of a secondary water supply system through water supply demand prediction, multi-objective optimal scheduling and real-time monitoring and feedback. The method comprises the following steps: predicting future water demand by using a long short-term memory neural network, constructing a multi-objective optimization model containing energy consumption, water supply pressure and pump set life, and solving an optimal scheduling scheme by adopting a genetic algorithm. By monitoring water supply pressure and flow in real time and dynamically adjusting start and stop and frequency conversion speed regulation of the water pump, energy-saving operation of the system is ensured, and the service life of equipment is prolonged. The system is suitable for secondary water supply systems of high-rise buildings and large building groups.

The invention provides a distributed cluster current limiting method and device, electronic equipment and a medium. The method comprises the following steps: acquiring a token number set and a generation rate set; if each token number in the token number set is greater than or equal to 0, calculating a number deviation value according to the token number set; under the condition that the number deviation value is smaller than a first threshold value, the token generation rate corresponding to the token bucket current limiter with the token number larger than the first threshold value is reduced, and the token generation rate corresponding to the token bucket current limiter with the token number smaller than the first threshold value is increased; if each token number in the token number set is less than 0, calculating a rate deviation value according to the generation rate set; and under the condition that the rate deviation value is smaller than a second threshold value, reducing the token generation rate corresponding to the token bucket current limiter of which the token number is larger than the second threshold value, and increasing the token generation rate corresponding to the token bucket current limiter of which the token number is smaller than the second threshold value.

This specification provides a rate limiting method, apparatus, electronic device, and medium for a distributed cluster. The method includes: if at least one token in the token set is greater than 0, calculating a token deviation value; if the token deviation value is less than a first threshold and the condition that all tokens in the token set are greater than or equal to 0 is not met, reducing the token generation rate corresponding to the token bucket rate limiter with tokens greater than the token number threshold, and increasing the token generation rate corresponding to the token bucket rate limiter with tokens less than the token number threshold; if every token in the token set is less than or equal to 0, calculating a rate deviation value based on the generation rate set; if the rate deviation value is greater than or equal to a second threshold, reducing the token generation rate corresponding to the token bucket rate limiter with a token generation rate greater than the token generation rate threshold, and increasing the token generation rate corresponding to the token bucket rate limiter with a token generation rate less than the token generation rate threshold.

The application relates to a lithium battery anchor machine, which comprises a rack, a lithium battery, a motor, a gear transmission mechanism and a power output shaft which are installed on the rack; the motor is connected with a motor output shaft, the motor output shaft and the power output shaft are connected with the gear transmission mechanism respectively, the gear transmission mechanism comprises a planetary gear transmission assembly; the gear transmission mechanism is installed in a transmission shell, the power output shaft is stretched out from the transmission shell and detachably connected with a drill bit. The utility model can solve the problems of power source, working efficiency and maintenance cost, and improve the efficiency, safety and reliability of railway track bolt drilling operation.

The application relates to the field of automation control and discloses a modular intelligent pump station system. The system comprises a standardized water pump module, a distributed cooperative control unit, a pipe network state sensing network, a communication interaction network and a remote algorithm updating platform. The standardized water pump module integrates a local intelligent control terminal and a sensing component, is used for collecting operation state data and dynamically adjusting operation parameters. The distributed cooperative control unit is based on a non-cooperative game theory of multi-target constraint fusion to construct a control logic, so that each standardized water pump module reaches a Nash equilibrium of load distribution through autonomous negotiation. The pipe network state sensing network broadcasts global hydraulic working condition information to each standardized water pump module as a game environmental variable. The communication interaction network supports millisecond-level data exchange between modules. The remote algorithm updating platform is used for pushing optimized control algorithm parameters or game strategy models, so that self-organization and adaptive operation of the pump station system are realized, operation resilience is improved and energy consumption is optimized.

The utility model belongs to bridge floor construction equipment technical field, specifically disclose a kind of assembly type bridge floor system hoist, including bearing frame, the bearing frame includes two first crossbeam of opposite arrangement, two first crossbeam between being equipped with two second crossbeam, the both ends of second crossbeam are connected to two first crossbeam respectively, still be equipped with several third crossbeam between two second crossbeam. The utility model provides a kind of assembly type bridge floor system hoist, the upper end of the junction of first crossbeam and second crossbeam, the lower end of the junction of first crossbeam and second crossbeam, the lower end of the junction of second crossbeam and third crossbeam are all equipped with mounting lug, form three-dimensional lifting point network, can be according to the geometry of bridge floor component and gravity center position flexible selection lifting point combination, realize load uniform distribution, effectively avoid local stress concentration, reduce hoist deformation or component damage risk, especially suitable for large-span or special-shaped bridge face high-precision hoisting demand.

The embodiment of the application discloses a battery box body and an electric device, the battery box body is used for containing battery monomer, and comprises: a bottom plate, which is used for bearing the battery monomer; a side beam, which is fixedly connected to the periphery of the bottom plate, the inside of the side beam forms a first cavity extending along a Y direction, a plurality of first partitions are arranged in the first cavity and spaced apart along a Z direction, and the thickness of the first partitions changes in a gradient along the Z direction; a mounting beam, which is arranged at one end of the side beam away from the bottom plate; a connecting piece, which is connected between the side beam and the mounting beam, the connecting piece comprises a first connecting arm and a second connecting arm extending along the Y direction, and at least the first connecting arm is arranged at an angle with the side beam and the mounting beam; wherein the Y direction is the length direction of the side beam, and the Y direction and the Z direction intersect. The scheme of the application significantly improves the overall strength and rigidity of the side beam, so that the side beam can maintain a stable structure state when subjected to external force impact.

The embodiment of the application provides a container resource scheduling method and device based on GPU utilization, equipment and medium, the method is for each GPU in the GPU set, real-time acquisition of GPU utilization and current GPU occupation type of GPU, based on GPU utilization and preset GPU utilization threshold to determine the idle time of GPU; obtain the GPU quantity of container resource request, request GPU occupation type and request time, for each GPU, based on the idle time and the request time to determine the first idle time of the GPU, based on the first idle time and the current GPU occupation type to determine the idle state of the GPU; based on the request GPU occupation type, each GPU utilization and each idle state, each GPU is scheduled and sorted, the scheduling priority is sorted, the GPU quantity of the first GPU in the scheduling priority is sorted as the target GPU set, and the target GPU set is scheduled to the container corresponding to the container resource request based on the scheduling method corresponding to the request GPU occupation type.

The present invention relates to a mobile transport system (10) for transporting objects, particularly in technical facilities, comprising: a first drive module (20) and a second drive module (20), the first drive module and the second drive module being arranged offset from each other in a longitudinal direction (X); a load support unit (25) supported on the drive module (20), wherein each drive module (20) includes a module frame (14), a first steering wheel (41) rotatably mounted about a first rotation axis, a second steering wheel (42) rotatably mounted about a second rotation axis, a third steering wheel (43) rotatably mounted about a third rotation axis, a fourth steering wheel (44) rotatably mounted about a fourth rotation axis, and a drive unit (70), wherein the drive unit (70) has a drive unit arranged on the module frame (14). The module frame (14) includes a drive frame, a first drive wheel (71) rotatable about a first drive shaft, and a second drive wheel (72) rotatable about a second drive shaft. The first steering wheel (41) is arranged on a first load bar (21), which is swayable relative to the module frame (14) about a load shaft (90) extending in the lateral direction (Y). The second steering wheel (42) is arranged on a second load bar (22), which is swayable relative to the module frame (14) about a load shaft (90). The third steering wheel (43) is arranged on the module frame (14), and the fourth steering wheel (44) is arranged on the module frame (14). The load support unit (25) is supported at a first support portion (31) on the first load bar (21) and a second support portion (32) on the second load bar (22).

The utility model provides a water inlet filtering piece of a submersible electric pump, and belongs to the technical field of pumps. The technical problem that a water inlet filtering piece of an existing submersible electric pump is low in water absorption efficiency is solved. According to the water inlet filtering piece of the submersible electric pump, the submersible electric pump comprises a motor shell and a pump shell which are fixedly connected with each other, the lower portion of the pump shell is fixedly connected with the water inlet filtering piece, the water inlet filtering piece comprises a water inlet ring part and a filtering ring part which are integrally formed, the filtering ring part is located on the inner side of the water inlet ring part and coaxially arranged, and a water inlet gap is formed between the filtering ring part and the water inlet ring part; the filtering ring part is fixedly connected with the upper end part of the water inlet ring part through a fixed connecting part, and a fixed seat is arranged at the lower end part of the water inlet ring part and is not in contact with the filtering ring part. The utility model has the advantage of improving the water absorption efficiency.

The invention relates to the technical field of electric locks, in particular to a flexible electric linear lock which comprises a shell, a first lock cylinder, a second lock cylinder and a driving assembly which are elastically connected are arranged in the shell, and the driving assembly drives the first lock cylinder and the second lock cylinder to move. The second lock cylinder compresses the elastic piece between the second lock cylinder and the first lock cylinder so that damage to the driving motor or the first lock cylinder can be avoided, the cleaning pipeline is arranged, chippings on the surfaces of the balls can be cleaned regularly, and therefore abrasion of the balls is reduced, and the transmission precision of the balls is higher; lubricating oil can be smeared on the surfaces of the balls in the circulating pipeline, smearing is uniform, abrasion of the balls is further reduced, and precision is improved. A sequence adjusting assembly is further arranged, the sequence of the balls can be adjusted regularly, loads of the balls can be evenly distributed, force borne by all the balls is consistent as much as possible, and local stress concentration is reduced.

The invention relates to the technical field of power distribution network abnormity diagnosis, in particular to a power distribution line temperature diagnosis method and system based on intelligent Internet of Things. The system comprises: a data acquisition module configured to acquire operating parameters of a distribution line and organize the operating parameters of the distribution line; the line temperature diagnosis module is configured to diagnose and predict the operating parameters of the distribution line by using a line temperature diagnosis model to obtain a line temperature diagnosis result; and the data processing module is configured to judge whether the wire temperature is abnormal in a preset time period or not according to the wire temperature diagnosis result, if yes, early warning is carried out, and if not, diagnosis continues to be carried out. According to the invention, real-time monitoring and early warning of the line temperature in the power distribution network can be realized, and advanced judgment can be carried out by using historical data of the line.

This utility model discloses a beveling forming device for large-diameter metal pipe fittings, including a drive assembly, a plasma cutting assembly, and a limiting assembly. The drive assembly includes a base driven by two sets of first hydraulic cylinders. A first roller and a second roller are mounted on the base. The first roller is driven by a first motor. The limiting assembly is used to clamp the pipe fitting. The plasma cutting assembly includes a housing driven by a first linear motor. A second linear motor is mounted on the housing. The slide of the second linear motor is connected to a rotating seat, and the rotating seat is connected to a cutting head. In this utility model, the cutting head achieves radial feed via a linear motor, and the rotation of the large-diameter metal pipe fitting is achieved through the drive assembly. Both only require independent speed adjustment to achieve beveling. When the pipe fitting rotates, the load distribution is uniform with minimal fluctuation. The rotation mechanism of the drive assembly is low-cost and easy to maintain, eliminating the need to rotate the cutting head and simplifying the structure.

The utility model relates to the technical field of semitrailer platform, and disclose a kind of low flatbed semitrailer front platform structure, including semitrailer flatbed carriage, the front end of semitrailer flatbed carriage is provided with front platform adjusting assembly, the bottom side of the front end of semitrailer flatbed carriage is fixed with connecting reinforcing plate, the utility model is provided with front platform adjusting assembly in the end of semitrailer flatbed carriage, wherein the front platform connecting plate in front platform adjusting assembly can be lifted and adjusted in the end of semitrailer flatbed carriage, so that the goods carried on semitrailer flatbed carriage need to be translated forward, the end of front platform connecting plate can be inserted in backfall groove, the top end surface of front platform connecting plate and the top end surface of semitrailer flatbed carriage are on the same horizontal plane, facilitate user to adjust the gravity of goods, expand the pulling and carrying load range of semitrailer flatbed carriage, and ensure that front and rear axle load distribution is more uniform during vehicle driving process, improve the safe driving of truck.

This invention relates to the field of land consolidation and development technology, and in particular to a land leveling device and method with adjustable functions. The leveling method involves first determining a reference horizontal plane, then dividing the farmland into m*n blocks. The bucket passes through n rows of farmland sequentially along a first direction, recording the distances h1 to hn between the reference horizontal plane and the blade. Based on the data h1 to hn, the average distance h between the blade and the reference horizontal plane when in n rows of farmland is obtained. Δh is measured based on the soil volume in the bucket and the farmland area. (h-Δh) is the distance between the target leveling surface and the reference horizontal plane. The bucket height is adjusted to maintain the distance (h-Δh) between the blade and the reference horizontal plane. The process continues along a second direction, passing through m rows of farmland sequentially, completing the farmland leveling. The leveling method provided by this invention facilitates the determination of the target leveling surface and is more conducive to agricultural cultivation and irrigation drainage.

The invention relates to the technical field of databases, in particular to a Tr inoCoord inator high availability method, which comprises the following steps that: Nginx receives a client query request transmitted by a Tr ino, and establishes a service agent node to be connected with each coordination node of the Tr ino based on the received client query request; the service agent node sends a state sharing task to each coordination node to obtain the cluster resource utilization rate of each Tr ino working node; based on the task response sequence of each coordination node and the current task execution rate of each coordination node, a plurality of alternative coordination nodes for executing the current query task are selected, and the number of the alternative coordination nodes is at least two; the service agent node sends the client query request to each alternative coordination node; and each alternative coordination node obtains a trigger condition from the isolated storage node based on the client query request, and the isolated storage node judges whether the alternative coordination node fails or not according to the update speed of the current query result.

The invention provides a method for iteratively adjusting cold continuous rolling screw-down distribution and electronic equipment. The method comprises the steps that S1, the initial middle thickness of racks is obtained, and the racks except the last rack in the racks are middle racks; s2, calculating an equivalent load coefficient; s3, determining a middle rack corresponding to the extreme value of the equivalent load coefficient; if the middle rack corresponding to the maximum value and the middle rack corresponding to the previous maximum value are the same rack and the middle rack corresponding to the minimum value and the middle rack corresponding to the previous minimum value are the same rack, the basic adjusting thickness is reduced in proportion; otherwise, adjusting the thickness by using a preset base; s4, when the basic adjustment thickness is smaller than a pre-value, iteration is ended; and S5, calculating inlet load efficiency and outlet load efficiency by using the equivalent load coefficient, determining the outlet thickness adjustment amount of the predetermined rack, performing adjustment to obtain the adjusted outlet thickness, and returning to the step S2. By means of the technical scheme, the quality and production efficiency of cold-rolled products can be improved.

The utility model relates to the technical field of wind energy motors, and discloses a wind energy motor rotor base, which comprises a bearing sleeve connected with a bearing on a main shaft, the front end and the rear end of the bearing sleeve are respectively connected with a mounting ring through two groups of supporting pieces, and a magnet yoke is fixedly arranged on the outer side of the mounting ring; the supporting piece comprises a plurality of I-shaped supporting rods and an annular plate connected with the I-shaped supporting rods, a reinforcing rod is arranged between every two adjacent I-shaped supporting rods, and the I-shaped supporting rods, the reinforcing rods, the bearing sleeve and the mounting ring form a whole through full penetration groove welding. The I-shaped supporting rods can support and fix the permanent magnet magnetic poles, it is ensured that the positions of the magnetic poles on the rotor are stable, a stable magnetic field can be generated, the annular plates enhance the stability of the whole supporting structure, and the welding method of full penetration groove welding can improve the stability of the welding position and reduce looseness and deformation of welding seams. Therefore, the durability and the service life of the rotor base are improved.

The application discloses a kind of based on digital twinning self-flowing water plant pump station group linkage control system, it is related to self-flowing water plant water supply control technical field;Including data acquisition module, water plant water supply analysis module, digital twinning module and linkage control module.By real-time acquisition water supply data, water supply demand prediction, pipe network path complex value calculation and pump station load assessment;Based on analysis result, establish digital twinning model, adopt hidden Markov model to deduce the system state evolution under different scheduling strategy, and utilize multi-objective evolutionary algorithm to water supply stability, energy consumption economy and equipment operation balance are carried out collaborative optimization, output optimal linkage control result.The application realizes the feedforward linkage control of pump station group, improves the response speed to demand fluctuation, reduces pipe network pressure fluctuation, reduces operating energy consumption, balances equipment load, avoids potential operation risk, while guaranteeing water supply safety, economic efficiency and reliability are considered.

The invention discloses a parallel inverter control method for adaptively adjusting an active droop coefficient, and the method comprises the following steps: 1, designing a parallel inverter network through a system architecture: building a plurality of parallel inverters, forming a distributed power generation system, and enabling each inverter to be provided with a controller and a communication module; block chain network establishment: creating a private block chain network, adding all inverters as nodes into a block chain, and configuring the block chain network to support intelligent contract and distributed account book functions; and 2, data acquisition and processing and integration of Internet of Things sensors: deploying the Internet of Things sensors on each inverter, and acquiring voltage, current, power and frequency operation data in real time. According to the invention, the operation state of the system can be monitored in real time, the fault inverter can be detected and isolated in time, the operation parameters of other inverters can be adjusted, the system can still operate continuously and stably under the fault condition, and the optimal operation state can be recovered rapidly after the fault.

The utility model relates to oil and gas recovery technical field especially is concerned about a kind of three times oil and gas recovery equipment;Specifically provide a kind of adsorption tank structure, by shunt cone, inlet oil gas is divided into two ways: radial flow through first flow hole and is sprayed into isolation chamber, buffer pressure equalization is penetrated after cavity top multi-aperture plate, axial flow is directly penetrated multi-aperture plate from the open of cone and enters adsorbent bed, double flow is converged at adsorbent bed bottom, and vertical rising airflow is formed by the whole domain micropore flow of multi-aperture plate, and its small aperture design weakens impact force;The structure is processed by two paths to eliminate channeling effect, realizes adsorbent whole domain high efficiency utilization, significantly improves recovery efficiency and service life.

The present application relates to the field of communication technology, and specifically provides a network traffic control method, a computer-readable storage medium, and a mobile terminal, aiming to solve the problem of low efficiency and untimely distribution of existing traffic. The present application provides a network traffic control method, which is applied to a mobile terminal, and multiple applications are run on the mobile terminal, including: according to preset screening rules, filtering out target applications that need to be speed-limited from the multiple applications; creating a traffic distribution chain according to the target application, and configuring preset speed limit rules in the traffic distribution chain; and limiting the speed of the target application in the traffic distribution chain based on the speed limit rules. Unified traffic control is performed on applications, and unified speed limit rules make network traffic distribution balanced and faster, solving the problem of low efficiency and untimely distribution of existing traffic.

The invention discloses a purification treatment device for sustainable aviation fuel production. The purification treatment device comprises a desulfurization tower; the purification cavity is arranged in the desulfurization tower and is provided with a plurality of desulfurization cavities, the top of the desulfurization tower is connected with a top cover, and an oil inlet communicated with one desulfurization cavity is formed in the top cover; the purification cavity is divided into a plurality of desulfurization cavities, and the positions of the desulfurization cavities can be flexibly changed through the adjusting parts, so that the desulfurization cavities can be used in turn, and each desulfurization cavity can obtain balanced load distribution in the long-time use process. By means of the design, the situation that the adsorbent is oversaturated due to the fact that a certain desulfurization cavity is in a high-load state for a long time is avoided, and the use efficiency of the adsorbent in the desulfurization process is ensured. A spiral blade is arranged in each desulfurization cavity, and rotation of the spiral blades not only plays a role in conveying the adsorbent, but also can effectively stir and push the adsorbent, so that uniform distribution of the adsorbent is promoted.

The invention discloses an optical storage direct-flexible building system based on centralized energy storage, and relates to the technical field of energy and electric power systems, and the system is characterized in that a distributed household photovoltaic system carries out electric power mutual transmission with a village-level centralized energy storage station through a low-voltage direct-current power distribution network, and an electric energy router dynamically adjusts electric power flow according to real-time power generation and load conditions. The power demand of the direct-current load of the household is preferentially ensured, and when more power is generated, redundant power is supplied to the movable energy storage load through the low-voltage direct-current power distribution network or stored in the village-level centralized energy storage station; when power generation is insufficient, power is taken from the village-level centralized energy storage station through the low-voltage direct-current power distribution network; the village-level centralized energy storage station and the low-voltage direct-current power distribution network carry out electric power bidirectional exchange through the PCS, and when the electric power of the village-level centralized energy storage station is sufficient, excess electric power is returned to the low-voltage direct-current power distribution network through the PCS; when the electric power of the village-level centralized energy storage station is insufficient, the electric power is obtained from the low-voltage direct-current power distribution network, and continuous power supply of the household direct-current load is ensured through combination of centralized energy storage and movable energy storage.

A ball screw device includes a screw shaft, a nut, and a plurality of balls. An outer peripheral raceway surface is provided on an outer peripheral surface of the screw shaft. The nut is provided with an inner peripheral raceway surface in an inner peripheral surface and penetrates the screw shaft. The nut has at least three or more circulation components. A raceway has at least three or more ball circuits respectively corresponding to the circulation components. The at least three or more ball circuits include a central circuit placed at a central portion of the nut in an axial direction parallel to a central axis of the screw shaft, a first circuit placed in the first direction with respect to the central circuit, and a second circuit placed in the second direction with respect to the central circuit. In the outer peripheral raceway surface, pitch diameters of the threads are the same. In the inner peripheral raceway surface, a first inner peripheral raceway surface that belongs to the first circuit and a second inner peripheral raceway surface that belongs to the second circuit have different pitch diameters from a central inner peripheral raceway surface that belongs to the central circuit.

The invention provides a heat pump unit cluster control method, device and equipment and a storage medium, relates to the technical field of heat pumps, and solves the problem that the system stability is easily affected when multiple heat pump units process the same load demand in the related art. The centralized control host is used for controlling all online heat pump units to operate at the minimum operation frequency firstly, then the frequency is gradually increased to the target frequency, when the units are shut down, the frequency is reduced to the minimum operation frequency firstly, then the units are shut down one by one, and therefore soft start-stop control of step-by-step start-stop and frequency increasing and decreasing is achieved. And demand increments in a regulation period are calculated based on incremental PID, when multiple machines are parallel to the same demand, the demand increments are averagely distributed, and normalized conversion is performed according to a unit capacity proportion to obtain frequency variation of frequency increase and decrease of each unit, so that loads in the system are uniformly distributed, frequent high-frequency operation of part of units is avoided, and the system performance is improved. And the stability of the system is effectively improved.

This utility model discloses a modular lifting stage, including a base and a lifting mechanism. The lifting mechanism includes fixed plates, adjusting seats, mounting seats, and drive rods. The fixed plates are respectively disposed on the left and right sides of the upper end of the base. Adjusting seats are respectively disposed on the front and rear sides between the opposite inner sides of the two fixed plates. Drive rods are rotatably connected inside the four sets of adjusting seats. A stage panel is disposed on the upper end of the base. Mounting seats are respectively disposed on the front and rear sides of the lower end of the stage panel. The upper ends of the four drive rods are rotatably connected to the lower ends of the vertically adjacent mounting seats. A microcontroller is disposed on the upper end of the base. The input end of the microcontroller is electrically connected to an external power supply. The lifting mechanism also includes a crossbar, a connecting plate, and a bidirectional screw. This modular lifting stage optimizes the driving method, enabling more uniform load distribution and providing more stable lifting, thus solving the problem of stage panel cracks or damage caused by stress concentration.