64results about How to "Reasonable maintenance" patented technology

A distribution network automation system comprises a power distribution main station, power distribution substations and power distribution terminals. The power distribution main station is responsible for monitoring and managing global information and used for monitoring and acquiring data of a whole distribution network to complete fault handling within the whole network; the power distribution substations are used for managing distribution station terminal monitoring equipment such as switchgear cubicles for loop networks, switching stations for distribution networks and the like, acquiring, gathering and uploading signals of the power distribution terminals to the power distribution main station, and transmitting orders of the power distribution main station to the power distribution terminals; the power distribution terminals mainly used for acquiring data of primary equipment, controlling switchgears, detecting and recognizing faults and sending fault information to the power distribution substations and the power distribution main station. The distribution network automation system has the advantages that power supply reliability can be greatly improved, fault time can be greatly shortened, voltage quality can be greatly improved to provide optimal voltage for users, and labor intensity can be relieved for operators; management level of the whole power distribution system can be improved, working efficiency is improved, and user service level is improved.

The invention discloses an expert system for estimating and controlling mining damage under special railroad switch cluster, comprising a real- time estimating system of ground surface sinkage on underground mining condition, a real-time estimating system of sinkage deformation of special railroads and stations in mine in mining period, an intelligent estimating and control expert system of sinkage deformation of special railroads in mine, and a safety transportation protection technique against sinkage of special railroads and station switch cluster. And the invention establishes an expert system for estimating and controlling the sinkage of special railroads and station switch cluster in mine in the mining period, revealing characters and dynamic variation law of sinkage deformation of the railroads, thus advancing reasonable railroad maintaining measures, especially a control technique of deformation of railroads and station switch cluster. And the invention is simple and convenient to operate, and has a clear flow, and can make dynamic and steady estimation on mining damage under railroad and station switch cluster, and the estimated result has high accuracy. And the invention can raise total social and economic benefits of thick ledge mining under special railroads in mine.

The invention provides a resource sharing system and a resource sharing method. The resource sharing system comprises a resource obtaining unit and a resource sharing unit. The resource obtaining unit obtains resources of all service systems and identifies the obtained resources according to resource sources and type information. The resource sharing unit determines use limitation of a log-in user to the resources according to the identity identification of the log-in user and / or resource identifications. The invention provides a resource sharing platform which can reasonably and effectively maintain and manage the resources, matching and rich resources are provided for resource users without limitation of the service systems, and resources of the service systems in areas are balanced.

The invention discloses a ladle lining casting technology, which comprises the following steps: 1) detaching ladle slag brick, cleaning slag on the ladle wall working layer, reacting layer and deteriorated layer, 2) placing the mould to locate, 3) casting between mould and ladle wall with the same material as working layer, 4) stripping after health preserving, 5) toasting.

The invention discloses a shared bicycle fault identification and application system based on information fusion, which mainly comprises an information collection platform, a discrimination center system and an application platform. The information collection platform includes a GIS cloud service system, a bicycle information service system, and a database system and is used for comprehensively processing the bicycle time and space information, user usage information, feedback information, and historical maintenance information collected in real time in the database system. The discriminationcenter system intelligently recognizes zombie bicycles and trouble bicycles by receiving information transmitted by the information collection platform. The application platform realizes the distinguishing display between the faulty bicycle and the normal bicycle, and timely notifies all kinds of users to realize convenience in vehicle searching, the timely maintenance of the enterprise and the effective management of the government department. The invention can effectively and comprehensively reuse the real-time travel and historical fault data of the bicycle, realize multi-directional and comprehensive automatic identification and timely dispatching of the faulty vehicle, and improve the user's success rate of finding a vehicle, resource utilization rate of the bicycle and service quality.

The invention discloses a method for effectively achieving host cluster resource scheduling under a cloud platform, belongs to the field of cloud platforms, and aims at solving the technical problem of how to reasonably utilize Iass layer physical resources to be large platforms. According to the technical scheme, the method comprises the following steps that 1, a cloud platform synchronously obtains metadata information of all physical resources of a corresponding Iass platform through an Iass platform interface, and the metadata information is saved to the platform side; 2, all the physical resources of the Iass platform are classified and labeled correspondingly, labels serve as the basis of resource scheduling, all resource application tasks initiated through the Iass platform are subjected to distribution through scheduling policies, and final resources are obtained; 3, after scheduling is completed through the scheduling policies, updating is conducted on the metadata of the platform side.

The invention relates to the technical field of control and application of new energy sources, and in particular relates to a discontinuous power supply, a battery management system and a discontinuous power supply system, wherein the discontinuous power supply system comprises a battery pack, a discontinuous power supply and a battery management system which are correspondingly connected. Compared with the prior art, the discontinuous power supply, the battery management system and the discontinuous power supply system have the advantages that through the communication between the discontinuous power supply and the battery management system, the use of a switch tube in the battery management system is cancelled; the detected running parameter of the battery pack is sent to the discontinuous power supply through uploading data by the battery management system and then the charge / discharge parameter of the battery pack is adjusted by the discontinuous power supply; the connection between the battery pack and the discontinuous power supply is not needed to be cut off so that the possibility of sudden power failure caused by the cut-off of the switch tube on a main circuit of the battery management system is greatly reduced; and the response speed is high and no back load power failure is caused, so that the reliability and the efficiency of the whole system are simultaneously improved.

A special lubricating liquid for rolling copper and copper alloy is prepared from 32# universal engine oil, 7# universal engine oil, petroleum sulfosodium, emulsifier and white oil. The deionized water is added some time according to rolling condition. The process for preparing the lubricating liquid includes mixing, agitating or diluting and heating in circulation node with heating temp of 30-50 deg.C.

The present invention provides a box-shaped vehicle control device provided under the floor or on the roof of a vehicle to supply electric power to equipment of the vehicle. The vehicle control device is made up of function modules (4) each having an interface surface (22) on one side where a first interface region (5) in which a signal-wire terminal is placed and a second interface region (6) in which an electric-power-wire terminal is placed are separated. The interface surfaces (22) are placed on one end side with the first interface region (5) as a common region and on the other end side with the second interface region (6) as a common region. The function modules have monitor circuits, overvoltage prevention circuits, and inverters.

The invention relates to the technical field of extrusion injection molding machines, to solve the problem of low production efficiency of an injection molding machine in the prior art. In particular, the invention relates to an extrusion feeding mechanism, comprising a pushing assembly, a sliding assembly and an extrusion assembly, wherein the pushing assembly drives the extrusion assembly for straight reciprocating motions through the sliding assembly; the pushing assembly comprises a first support frame, a first oil cylinder mounted on the first support frame, and a connecting plate capable of doing straight reciprocating motions under the push of the first oil cylinder; a channel for the first support frame to pass is arranged on the connecting plate; the sliding assembly comprises a substrate and a sliding member; the first support frame passes through the connecting plate to be fixedly connected to the substrate. The invention also specifically relates to an extrusion injection molding machine, comprising the extrusion feeding mechanism, wherein two extrusion feeding mechanisms are arranged, each of which is disposed on each of two sides of an injection mold, and respectively correspond to a first injection molding port and a second injection molding port. The production efficiency of the current injection molding machine can be accelerated, and production costs can be saved.

The invention discloses full automatic assembling equipment for a two-stage force hinge. The automatic assembling equipment comprises a base and further comprises an indexing rotating device, a straight hinge arm feeding device, a tab feeding device, a rivet feeding device, a four-hole spring feeding device, a rivet riveting and pressing device and a discharging device which are all fixed to the base. The base is provided with a rack and a workbench, and the workbench is fixed to the rack. The straight hinge arm feeding device, the tab feeding device, the rivet feeding device, the four-hole spring feeding device, the rivet riveting and pressing device and the discharging device are anticlockwise arranged around the indexing rotating device. The full automatic assembling equipment has the beneficial effects that the design is reasonable, the production process of the two-stage force hinge is partitioned, corresponding mechanical working sets are designed for the corresponding stages, maintaining is easy, production is carried out through an automatic technology, the labor cost is reduced, the labor efficiency is improved, stabilized and accurate assembling is achieved, and the yieldof production is further improved.

The invention relates to a method and a device (1) for combined current limitation and power breaking and to a switchgear having said device (1). In a combined current limiter / power braker (1) according to the invention, a movable electrode (3, 3') is guided automatically along a resistance element (5) for the current limiting path (31) by an overcurrent-dependent force (Fmag) for the purpose of current limitation and brought to an insulator (8) in a serial arrangement for power breaking purposes. Examples of embodiments are, inter alia, the utilization of Lorenz force for automatic current limitation; movable electrodes (3, 3') realized by means of liquid metal (3) or a movable solid conductor (3'); an electrical resistance (RX) increasing non-linearly in the direction of movement (x) for smooth power limitation characteristics and a resistance element (5) in the form of a dielectric matrix (5) with several channels (3a) for the liquid metal (3). Amongst the advantages achieved are electric arc-free, reversible current limitation and power breaking, which is also suitable for high voltages and currents, rapid reaction times, little wear and easy maintenance.

The invention relates to the technical fields of new energy control and application, in particular to a wind-light complementary intelligent charge-discharge controller, a battery management system and a wind-light complementary intelligent charging system. The wind-light complementary intelligent charging system comprises a battery pack, the wind-light complementary intelligent charge-discharge controller and the battery management system which are correspondingly connected. The wind-light complementary intelligent charging system is communicated with the battery management system through the wind-light complementary charge-discharge controller. Compared with the prior art, a switch tube in the battery management system is removed, detected running parameters of the battery pack can be uploaded to report the wind-light complementary intelligent charge-discharge controller, charge-discharge parameters of the battery pack can be adjusted by the wind-light complementary charge-discharge controller, the connection between the battery pack and the wind-light complementary intelligent charge-discharge controller is not broken, and abnormal situations of system proruption outage caused by breaking a main road switch tube of the battery management system are greatly reduced. The wind-light complementary intelligent charging system is high in reaction speed, cannot cause rear end load outage and simultaneously improves reliability and efficiency of the whole system.

The invention relates to a cellphone short message vehicle failure remote intelligent detection device-automatic pushing function. The function refers to capability of automatically and regularly detecting an electric control system of a vehicle and acquiring operating states of the vehicle, and when a failure of the vehicle is found, cellphone short messages can be automatically sent to a bound cellphone, so that an owner of the vehicle can know working conditions of the vehicle at any time, convenience is brought to timely knowing of the failure and timely maintaining of the vehicle, and traffic accidents caused by vehicle failures can be avoided; the owner of the vehicle can know the reason of the failure of the vehicle well, and arbitrary charge in a repair shop can be avoided to some extent during repairing of the vehicle in the repair shop, so that lawful benefit of the owner of the vehicle is guaranteed, and a user of the vehicle can safely use the vehicle and consume clearly.

The invention discloses a preparation method for preparing a granite decorative plate from granite sawing mud. The method comprises the steps of surface layer material preparation, surface layer material forming, base layer material preparation, base layer material forming, composite material secondary forming and product maintenance. The machine-made fine sand and stone powder produced by processing granite solid waste are adopted to replace quartz sand and quartz powder, and the product cost can be effectively reduced on the basis that granite sawing mud is massively applied and the environmental influence is eliminated; after the product is formed at a time, the product is free of cracks in appearance and deformation in structure, and is excellent in stability, and has the advantages ofhigh strength, high bending resistance, low water absorption, acid and alkali resistance, fire resistance, weather resistance and the like of an RPC composite material, all indexes are superior to those of natural stone, and the product service life reaches 50 years or longer.

The invention relates to a fruit seedling cultivation method, and specifically relates to a kiwi berry seedling cultivation method. Kiwi berry seedlings are cultivated through kiwi berry seeds, by managing the sowing soil, the sowing time and the sowing period, and cultivated seedlings are high in survival rate and adaptability. The kiwi berry seedling cultivation method is simple, the survival rate of kiwi berry plants is high, the kiwi berry seeds are used as cultivation objects, the cost is low, during the cultivation period, the kiwi berry seedlings are maintained reasonably, and the grown-out seedlings can be managed easily in a later stage, and are high in fruiting rate and good in quality.

The invention discloses an intelligent cleaning and maintaining system of an engine. The intelligent cleaning and maintaining system of the engine comprises a cleaning pipeline connected with the engine; the cleaning pipeline communicates with the internal part of the engine; the cleaning pipeline is provided with a high-density old oil filter element for filtering impurities and an oil pump capable of driving engine oil in the cleaning pipeline to flow; the cleaning pipeline is connected with a gas inlet port capable of increasing gas pressure; and the intelligent cleaning and maintaining system of the engine is also provided with a dielectric constant detection instrument capable of detecting the quality of old oil. In addition, the invention also discloses a dynamic cleaning method anda static cleaning method for performing cleaning by applying the above system. The intelligent cleaning and maintaining system of the engine can effectively clean the internal part of the engine, eliminate 99 percent of old engine oil and prevent new lubricating oil from being polluted by the old oil, and is simple in operation, high in intelligentization and labor-saving.

The invention relates to a mass concrete monitoring method and system, and relates to the technical field of mass concrete monitoring. The mass concrete monitoring method comprises the following stepsof: setting a virtual coordinate system corresponding to to-be-monitored concrete according to the structure of the to-be-monitored concrete; setting an installation number and installation coordinates of temperature sensors according to the structure of the to-be-monitored concrete, the pipeline distribution situation in the to-be-monitored concrete and a preset distribution mechanism; monitoring and acquiring temperature monitoring data by utilizing the temperature sensors; and analyzing to obtain a plurality of temperature analysis parameters of the to-be-monitored concrete according to the temperature monitoring data obtained by each temperature sensor, wherein each piece of temperature monitoring data corresponds to a piece of monitoring time data. On the basis of the three-dimensional structure of the mass concrete, the temperature sensor is reasonably arranged, and temperature dynamic monitoring work of the whole mass concrete is accurately achieved.

An intelligent variable pitch speed regulation method and an intelligent variable pitch speed regulation system for a wind driven generator belong to the field of wind power generation. The method comprises a first step that a rotation speed alarm value of the wind driven generator is preset; a second step that whether the rotation speed of the wind driven generator exceeds the preset rotation speed alarm value or not is judged; a third step that if the rotation speed of the wind driven generator exceeds the preset rotation speed alarm value, a variable pitch speed regulation plate of the intelligent variable pitch speed regulation system is used for regulating the rotation speed of the wind driven generator; a fourth step that when the rotation speed wind driven generator gradually decreases to be lower than the rotation speed alarm value, the intelligent variable pitch speed regulation system stops working. According to the invention, when the wind driven generator encounters strong wind or typhoons, and the rotation speed of the generator exceeds the designed rated rotation speed, the rotation speed of an engine can be rapidly changed, thus the service life of the wind driven generator is longer, and the maintenance is more reasonable.

The invention discloses a system and method for evaluating the state of an entire transformer substation for equipment owners, and relates to the technical field of power system equipment state evaluation. The system herein includes a storage module, a detection module, a processing module and an evaluation module. The processing module carries out reasonable analysis and processing on respectiveevaluation index of the entire transformer substation so as to acquire the state of the entire transformer substation. The state provides a basis for determining the current state of the entire transformer substation in operation, enables in-time discovery of possible faults or defects in the entire transformer substation in operation and the follow-up maintenance and repair of the transformer substation, and can prevent power incidents. According to the invention, the method herein does not set the requirements for the weight sum to be 1, prevents the changes to the number of evaluation indexes in the computing from influencing the configuration of weights of existed evaluation indexes, and makes methods for evaluation more flexible.

The invention discloses a rule maintenance method for blockchain. The rule maintenance method comprises the following steps: acquiring a nominating node of an arbitration round value seat; performingvoting on all nominated nodes, determining formal nodes of an arbitration round value seat according to a preset voting rule, wherein the number of the formal nodes is an odd number, and the formal nodes specifically comprise an original node and a plurality of nominated nodes selected through voting; and the formal node of the arbitration round value seat maintains and manages the rule of the blockchain according to a preset time period. The invention further discloses a rule maintenance system for the blockchain. The rule maintenance system comprises an acquisition unit, a voting unit and arule maintenance unit. By adopting the method and the device, the effects of low resource consumption, short consensus achievement time and high performance efficiency can be ensured, and meanwhile, the blockchain can be maintained fairly and reasonably.

The invention discloses a solar street lamp system for highways and a control method thereof. The solar street lamp system for highways comprises a plurality of solar street lamps which are sequentially arranged in parallel along the road side, wherein each solar street lamp comprises a lamp post, and the lamp post is provided with a main cabinet, an illuminator and a solar cell panel. The solar street lamp is characterized by comprising a control unit and a power management unit which are sequentially connected, wherein the control unit is connected with a photosensitive device for sensing automobile lamp illumination and an illuminator, and the power management unit is connected with the solar cell panel. When the photosensitive device senses the night driving light, the control unit can transmit a signal through a wireless transmission module, so that the solar street lamps within the signal available range are turned on instead of all the street lamps; and as the vehicle advances, the street lamps in front are gradually turned on, and the street lamps behind are gradually turned off.

The invention belongs to the field of image processing, and particularly relates to an evolution analysis method of an ash deposition state image of an air pre-heater rotor. The method comprises the following steps: after acquiring an infrared image of the air pre-heater rotor, transmitting the infrared image to an image processing module by an infrared thermal imager; carrying out image preprocessing after receiving the image, and converting the preprocessed infrared image into a gray scale curve image; enhancing the grayscale curve image to highlight a target area; establishing a gray-levelco-occurrence matrix according to the enhanced gray-level curve image; analyzing gray level co-occurrence matrix related statistics, and extracting texture feature parameters; establishing a deep belief network analysis model and carrying out training and testing; enabling the trained model to analyze the ash deposition state of the rotor of the air pre-heater according to the texture feature parameters; effectively detecting and monitoring the soot formation degree, and analyzing images to obtain the specific soot formation state. According to the invention, the blockage possibility of the air preheater can be predicted in advance, an operator is guided to optimally operate a soot blowing system, and therefore the working efficiency of the air preheater in the normal operation period is improved.

The invention discloses a water-saving flowerpot and mainly solves the problems that a conventional flowerpot is large in space occupation, and overflow water flows to the floor to cause slippery floor and waste. The water-saving flowerpot comprises multiple flowerpot bodies and a bottom disc, wherein the multiple flowerpot bodies are arranged in a conical manner, and the flowerpot body at the bottom layer is placed on the bottom disc; and one tray is arranged at the bottom of each flowerpot body, and at least two drain tubes are arranged at the edge of each tray; the water outlets of the drain tubes at the bottommost layer are over against the bottom disc, and the water outlets of each of the rest drain tubes are over against the flowerpot in the lower layer. The water-saving flowerpot is simple in structure, attractive and special in model, is safe and convenient to use and can be used for maintaining pot-culture plants more reasonably.

The invention discloses an atomic layer deposition online monitoring system. The monitoring system is provided with a detecting element, a signal converting device, a signal processing system and a process control system. The detecting element is installed at an airflow flowing place of an atomic layer deposition device. The detecting element is connected with the signal converting device. The signal converting device is capable of converting a signal of the detecting element. The signal processing system is connected with the signal converting device and the process control system. The signalconverting device is capable of conveying a real-time process state to the signal processing system. The process control system is capable of conveying a real-time theory process state to the signalprocessing system. The signal processing system is capable of fitting the real-time process state and the real-time theory process state, and monitoring the process state in real time.

The invention relates to the technical field of cleaning of photovoltaic assemblies, and particularly discloses a photovoltaic plate surface cleaning device. The photovoltaic plate surface cleaning device comprises photovoltaic plate strings which are linearly arranged and installed, and is characterized in that a travelling device is transversely erected on the one or plurality of adjacent photovoltaic plate strings, and is sequentially provided with a front sweeping device, a scraping sweeping device and a sweep-back device from front to rear, wherein the front sweeping device, the scrapingsweeping device and the sweep-back device transversely cover the surfaces of the photovoltaic plate strings; an air blowing system and an automatic control system are installed on the travelling device; the air blowing system is connected with the front sweeping device, the sweep-back device and an auxiliary purging system; and the automatic control system is connected with the travelling device,the front sweeping device, the scraping sweeping device, the sweep-back device and the air blowing system. The photovoltaic plate surface cleaning device is reasonable in structure, stable in operation, efficient in sweeping, and is used for reasonably maintaining a photovoltaic power generating station and improving the power generating efficiency.

The invention provides a management system for debugging elevator multistage authority, and the system comprises an elevator control terminal, a debugging maintainer user terminal and a background management terminal; the background management terminal comprises a company level management module, an elevator field management module, a personnel identity management module and a function authority management module; the company level management module is used for carrying out management priority setting on multi-level companies and assigning corresponding company function authorities; the elevator field management module is used for setting companies to which elevator control ends belong and assigning corresponding elevator function authorities; the the personnel identity management module is used for respectively carrying out personnel identity setting on the multi-level companies and assigning corresponding personnel function authorities to corresponding personnel; and the function authority management module is used for setting function authorities of companies, personnel and / or elevators. Multi-dimensional, multi-level and high-flexibility company management, personnel management, elevator field management and function authority management are unified, and seamless management is effectively carried out on companies, personnel, elevators and function authorities.

The invention discloses a bridge vibration monitoring device which comprises a plurality of position nodes and a monitoring system. Wherein the plurality of position nodes are uniformly mounted on the lower surface of the bridge, each position node is provided with a first communicator and a position sensor, and the position sensors are used for collecting position information; and the monitoring system is arranged on the outer side of the bridge, is in signal connection with the first communicators of the position nodes, and comprises a data acquisition module, a model establishment module, a model comparison module and a countermeasure output module. A large number of position sensors are evenly laid at the bottom of the bridge, position data of all point positions of the bridge are detected in real time, the position data are processed to obtain the vibration condition of the bridge, and therefore reasonable maintenance measures are taken; and meanwhile, the position and vibration characteristics of each point position of the bridge are shown by using the point cloud data, so that the three-dimensional simulation state of the bridge is obtained, and the overall bridge vibration condition of the bridge is obtained by analyzing the data.