161results about How to "Guarantee running stability" patented technology

The invention discloses a dynamically and smoothly expandable data acquisition system and method. The dynamically and smoothly expandable data acquisition system comprises a central data acquisition system and a data acquisition terminal, wherein the central data acquisition system comprises a gateway routing node, a data acquisition man aging node, data acquisition nodes, a security authenticating node, an acquired data storing node, a monitoring node, a time synchronizing service node, a security certificate storing node, a log managing node and a log storing node; the central data acquisition system communicates with the data acquisition terminal through a communication network; the data acquisition terminal transmits acquired device data to the data acquisition node, submits a data acquisition application form to the gateway routing node, acquires a node routing information form according to data fed back by the gateway routing node, and initiates a business report block transmission request to each data acquisition node for encrypted transmission of the data. According to the invention, the problems that the existing data acquisition system is high in expansion cost, poor in expansion capability and high in security risk under new application requirements are solved.

The invention relates to a permanent magnet bias inner rotor radial magnetism bearing that is made up of out magnetizer, out magnetism separator, exciting winding, inner magnetizer, rotor iron core. Four stator iron cores form four magnetic poles and are connected with each other by out magnetism separator. Eight stator iron core forms eight magnetic poles and every stator magnetic pole has exciting winding. Outside the stator iron core is out magnetizer that is connected to stator iron core. The permanent magnet is located between the two out magnetizers. Inner the stator iron core is rotator iron core. And there is clearance between the inner surface of the stator iron core and the out surface of the rotator iron core. The second clearance exists between the out magnetizer and the permanent magnet to form electric excitation circuit. The invention has the advantage of reliability and easy to be controlled.

The invention discloses an energy-conservation and noise-reduction circular conveying device. The device comprises a station flowing tank, a center frame and a driving mechanism, wherein a guide platform is arranged at the upper part of the station flowing tank; a center frame cavity is formed in the middle part of the guide platform; the center frame is fixed with a station flowing tank frame; and the driving mechanism is arranged on the station flowing tank frame, and comprises a transmission chain and a set of station work division part bearing mechanisms. The device further comprises a roller guide mechanism, transmission chain guide mechanisms and a traction car; the roller guide mechanism is positioned in the center frame cavity, and is fixed on the station flowing tank frame; the transmission chain guide mechanisms are arranged on the roller guide mechanism at intervals; the traction car is connected with a transmission chain; the set of station work division part bearing mechanisms are connected with the traction car; and the transmission chain slidingly cooperates with the transmission chain guide mechanism. The contacted area of the guide platform with the roller guide mechanism is prominently reduced; the noise is prominently lowered; the energy conservation is achieved; workpieces and driving mechanisms are protected; the operation stability of the transmission chain is guaranteed; the structure is simplified; and the production cost is reduced.

The invention relates to an agricultural seeding device, in particular to a suction type precision seed bunch planting device. The suction type precision seed bunch planting device mainly comprises a seed tank (26), a suction type seed sorter, a roller, a negative pressure air suction pipe (6), a speed shifting mechanism and a seed receiving and delivering device, wherein the suction type seed sorter is arranged in the roller and communicated with the negative pressure air suction pipe (6); a seed delivering box (47) is arranged between a seed outlet of the suction type seed sorter and a duck nozzle (42); a main shaft (4) of the roller is a hollow pipe; a main shaft (9) of the suction type seed sorter is arranged in the hollow pipe-shaped main shaft (4) of the roller; one end of the main shaft (9) of the suction type seed sorter is coupled to the suction type seed sorter through a bearing (8.1) and drives a seed suction disk (33), and the other end of the main shaft (9) of the suction type seed sorter passes through a sealing bearing (8) in the main shaft (4) of the roller; the main shaft (4) of the roller and the main shaft (9) of the suction type seed sorter are in speed-shifting connection through a gear or a chain or a notched belt. The suction type precision seed bunch planting device has the advantages of increasing the inner space of the roller as much as possible, increasing the height of the seed delivering box simultaneously, conveniently regulating the rotating speed ratio of the roller to the seed absorption box according to the agronomic requirements, and greatly improving the seeding speed while seeding accurately. Due to the unique transmission structure, the suction type precision seed bunch planting device is compact and steady, and the fault rate is reduced obviously under the environment of worse working condition.

The invention provides a method and system for testing compatibility adaptability of a host and a storage device. The method includes the steps that a foundation implementing test for compatibility adaptability is conducted between the host and the storage device and comprises an identification test of a board card driver connected with the storage device; function tests for compatibility adaptability are conducted between the host and the storage device and comprise a host identification storage device data volume test and a file operation test on a disk of the storage device; performance tests for compatibility adaptability are conducted between the host and the storage device and comprise a storage device disk load test, a storage device disk pressure test, a storage device disk concurrency test and a storage device disk stability test. According to the method and system, the compatibility adaptability tests between the host and the storage device are universalized, standardized and normalized.

The invention relates to an optimization design device and an optimization method for filtering-backwashing parameters of poly-containing sewage. A positive filtering pipeline in the optimization design device for the filtering-backwashing parameters of the poly-containing sewage consists of a positively-filtered sewage pipeline and a purified water pipeline, wherein the positively-filtered sewage pipeline is arranged between a raw water chamber of a vertical sewage tank and a water distributor at the top of a downstream flow filter tank; the purified water pipeline is arranged between a water collecting chamber of the downstream flow filter tank and a purified water buffer chamber of the vertical sewage tank; a positively-filtered incoming water valve, a centrifugal pump, a water flow regulating valve, a flow sensor and an inlet pressure sensor are arranged on the positively-filtered sewage pipeline; a backwashing incoming water valve of a backwashing pipeline is also connected with the centrifugal pump through a pipeline; an outlet pressure sensor is arranged on the purified water pipeline; a cylinder opening and closing system, the flow sensor, the inlet pressure sensor, the outlet pressure sensor and the centrifugal pump are all connected with an automatic control cabinet. According to the optimization design device and the optimization method provided by the invention, the quantity of optimizing sequences can be reduced, and the precision of optimization design results of the filtering-backwashing parameters can also be effectively improved.

The invention discloses a multi-cluster management method. According to the method, a management platform sends a data acquisition request to each cluster, when state data pushed by the cluster is received, page display processing is carried out on the state data, and the multi-cluster visual state data obtained through processing are cached, so that a browser client side calls the multi-cluster visual state data to respond to the cluster management request. According to the method, the operation states and configuration conditions of the cluster components are managed in a unified manner, so that an administrator can monitor a plurality of clusters at the same time, the multi-cluster management process and workload are greatly simplified, the multi-cluster operation and maintenance management efficiency is improved, and the multi-cluster operation reliability and stability are further guaranteed. The invention further provides a multi-cluster management device and system, computer equipment and a readable storage medium which have the above beneficial effects.

The invention relates to a doubly-fed wind power grid-connected system stability adjustment system and method, belongs to the technical field of wind power generation system, and solves the problem inthe prior art that it is difficult to quantitatively analyze and adjust the stability of the system for machine-grid coupling in the doubly-fed wind power grid-connected system. The method comprisesthe following steps: collecting the voltage and current data of a doubly-fed wind turbine port in a power network system which generates low frequency oscillation and calculating the real-time dynamicenergy of the doubly-fed wind turbine port; obtaining the dissipation intensity of the doubly-fed wind turbine according to the calculated real-time dynamic energy; obtaining the damping level of thedoubly-fed wind turbine to low frequency oscillation according to the dissipation intensity evaluation of the doubly-fed wind turbine; and adjusting the phase-locked loop parameters based on the influence law of the phase-locked loop parameters on the damping level of doubly-fed wind turbine and improving the damping level of the doubly-fed wind turbine until the damping level meets the requirements. The timely oscillation stability early warning can be realized and stability adjustment of the system can be realized by adjusting the phase-locked loop parameters.

The invention provides a method and a system for designing an ultra-large reverse-flow natural ventilation wet cooling tower. The method comprises the following steps of: acquiring the relative height of an air inlet and a resistance coefficient Xif of water drenching packing; calculating a resistance coefficient Xia of an air inlet area according to the relative height Epsilon of an air inlet and the resistance coefficient Xif of the water drenching packing by adopting the following formula shown in the specification; performing the final performance calculation of the cooling tower according to the resistance coefficient Xia of the air inlet area to obtain operating performance data of the cooling tower; and designing the cooling tower according to the operating performance data. According to the method and the system provided by the invention, the actual operating state of the cooling tower can be effectively mastered, thereby, a reliable guarantee is provided for the unit operating stability and safety, and the safety problem caused as the calculated and type-selected cooling tower is smaller and the problem that the initial investment is wasted caused as the calculated and type-selected cooling tower is bigger are effectively avoided, therefore, the method and the system for designing the ultra-large reverse-flow natural ventilation wet cooling tower are better in market application prospect.

The invention discloses a method for visually configuring an application interface. The method comprises the following steps of: a, generating an interactive visual interface; b, configuring a servicename, a database address, an SQL statement, an interface address and parameter transmission information in a visual interface; c, dynamically generating codes according to the information configuredin the step b and compiling the codes; and d, carrying out hot refresh deployment on the compiled code to form a service interface. According to the invention, the services can be quickly realized ina visual configuration manner, so that the research and development workload and risk caused by newly adding, changing and the like of enterprise demands are reduced, and the working efficiency is improved.

The invention discloses a thermal power generating unit climbing pressure relieving method under high-proportion photovoltaic grid connection. The method comprises steps of (1) based on predicted photovoltaic power generation power and load power, performing calculation to obtain a net load duck curve caused by high-proportion photovoltaic grid connection; (2) building a light storage system structure model for high-proportion photovoltaic grid connection, and determining a high-proportion photovoltaic grid connection coordinated optimization operation method based on the light storage systemstructure model; (3) constructing a mathematical model for relieving the climbing pressure of a thermal power generating unit under high-proportion photovoltaic grid connection; (4) solving the constructed mathematical model for relieving the climbing pressure of the thermal power generating unit under high-proportion photovoltaic grid connection based on a linear programming simpleness method; and (5) based on the solving result, relieving the climbing pressure of the thermal power generating unit under high-proportion photovoltaic grid connection. The method is advantaged in that the photovoltaic absorption level is improved, comprehensive operation cost is reduced, peak-valley difference is reduced, the climbing pressure of the thermal power generating unit is relieved, and operation stability of the thermal power generating unit is guaranteed.

The invention discloses a method for adjusting deviation of a hoisting point of a hoist, and belongs to the technical field of opening and closing of gates of hydropower stations. The method comprisesthe steps of a, mounting a hoisting point deviation adjusting device on a rack; b, mounting hoist steel wire ropes; and adjusting the steel wire ropes of two hoisting points to be consistent in length; and c, adjusting the two hoisting points to realize balancing through a swinging beam on the hoisting point deviation adjusting device; downwards swinging the swinging beam at one side, bearing high load, of each hoisting point, and releasing the corresponding steel wire rope; downwards swinging the swinging beam at one side, bearing small load, of each hoisting point; coiling the correspondingsteel wire rope, and thus finishing the dynamic adjusting of the balance of the two hoisting points. According to the method, the hoisting point deviation adjusting device is adopted and is capable of timely dynamically adjusting the two hoisting points to realize balancing while the hoist runs, and thus stopping for repairing is saved; the hoist running stability can be ensured; and the adjusting is flexible, simple and convenient.

The invention discloses efficient conduction equipment for a garment processing production line, and relates to the technical field of garment processing. The efficient conduction equipment is aimed at solving the problem of low production efficiency, and specially comprises a top plate, a main moving mechanism, a power mechanism, a station sensing mechanism, and a telescopic mechanism, wherein the top plate is fixed to the ground through supporting legs; the main moving mechanism is used for conducting, limiting and supporting the whole garment; the power mechanism is used for driving the main moving mechanism; the station sensing mechanism is used for sensing the conveying position; the telescopic mechanism is used for stretching the garment to a processing station; the main moving mechanism comprises a rotating component and a sliding component. When the efficient conduction equipment is in use, the garment can be hung on the telescopic mechanism, the power mechanism can drive the main moving mechanism to drive the telescopic mechanism to rotate according to a preset path, the station sensing mechanism can sense whether the garment runs to a processing station or not; and when the garment runs to the processing station, the telescopic mechanism is started to stretch the garment hung on the telescopic mechanism to the processing station. The whole conduction assembly line isformed, and the production efficiency is improved to a great extent.

The invention discloses a single-phase earth fault research and judgment method based on multi-algorithm normalization analysis, and the method comprises the steps of carrying out the fault recognition of working condition data of a selected time period under a selected bus through a pre-trained deep learning model, and determining whether a fault happens or not; and utilizing a pre-trained decision tree to carry out multi-working-condition type discrimination on the working condition data which is determined to have the fault. The invention assists dispatchers in quickly positioning the single-phase grounding of the power distribution network to form an operable result, and provides a basis for improving the fault processing efficiency of the dispatchers and guaranteeing the operation stability of the power distribution network.