Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

136results about How to "Solve practical problems" patented technology

Industry cluster education training coaching system

InactiveCN104978619ARealize the design conceptMeet various needs of learning and trainingResourcesWeb siteApplication server
The invention provides an industry cluster education training coaching system, which solves the problems of teaching content transmission limitation and lack of effect examination after training of the existing E-learning. The industry cluster education training auxiliary system is characterized in that a client is connected with an industry cluster education training coaching website through a network; the industry cluster education training coaching website is connected with a network server and an application server; the network server is connected with a database and comprises a system setting module, an organizational mechanism management module, a learning content management module, a face-to-face teaching course management module, an examination management module, a learning tip action planning module, a successful case module, a knowledge center module, an investigation management module, a statistical form module and a website management module. The industry cluster education training coaching system has the beneficial effects that the characteristics of great information amount, visualization and data downloading are realized; corresponding links are arranged on a home page of the website; the effect of entering the corresponding module can be achieved through the links; and a customer can more timely, faster and more conveniently learn the self required courses and can download the self required data.
Owner:辽宁生产力促进中心

Multi-source information integrated total-amount state evaluation model of power transformer

InactiveCN106203863ASolve practical problemsSolve the problem of scientific assessment of operating statusResourcesMaintenance strategyElectricity
The invention discloses a multi-source information integrated total-amount state evaluation model of a power transformer. At present, a state evaluation model of power equipment has defects and disadvantages in the aspects including the data obtaining manner, part division, performance index setting and a scoring model, and the practical operation state of the power transformer cannot be reflected accurately and comprehensively in real time. According to a state evaluation frame of the power transformer, factors including power failure test, live-line detection, online monitoring, professional tour inspection and operation environment are combined, factors including the equipment state amount, adverse condition and family defects are rearranged, and the multi-source information integrated total-amount state evaluation model of the power transformer is provided. According to the invention, the problem in practical application of state detection data of the power transformer and the problem in scientific evaluation of the operation state of the power transformer are solved, scientific guidance is provided for onsite operation staff to make equipment maintenance strategies, and guidance basis is provided for state evaluation of other transformation equipment.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +1

Smart city intelligent linkage method based on side-cloud cooperation

The invention discloses a smart city intelligent linkage method based on side-cloud collaboration, and relates to the technical field of side-cloud collaboration and smart cities. The method comprisesthe steps of configuring a universal linkage rule at a cloud side, and immediately calling equipment to carry out a linkage task once a system detects a linkage event, thereby achieving the automaticand intelligent processing of a city event; in the execution process of the linkage task, adopting an edge-cloud cooperation strategy ; enabling an edge side to carry out equipment control and simpleor preliminary data processing work ; enabling the cloud side to be responsible for deep analysis and processing of complex data and resource scheduling tasks of cross-edge gateways and multi-edge gateways. The method has the advantages that a universal linkage rule is configured, so that the method is more suitable for scenes of massive equipment in a smart city, and the flexibility is higher; and in the linkage process, the edge-cloud cooperation strategy is used, so that complex scene linkage is allowed, linkage event processing time is shortened, linkage efficiency is improved, and meanwhile cloud side mass storage, calculation and network bandwidth pressure is relieved.
Owner:CAS SMARTCITY (GUANGZHOU) INFO TECH CO LTD +1

Method for deep purification of phosphogypsum by extraction method

The invention discloses a method for deep purification of phosphogypsum by an extraction method. The method comprises the following steps: (1) adding dilute sulfuric acid in a slurry mixing tank, then adding phosphogypsum, and performing stirring to uniformly dispersing phosphogypsum; (2) pumping the materials which are uniformly dispersed in the step (1) into a reaction tank, adding concentrated sulfuric acid simultaneously, keeping the concentration of the sulfuric acid of a reaction system at 30 to 40%, and carrying out a reaction under stirring; (3) after the reaction accomplishment, pumping materials into a cooling tank, pumping the materials into an extraction tank after the temperature of the materials is lower than 80 DEG C, and adding an organic composite extractant to carry out extraction, (4) pumping the materials which are extracted in the step (3) into a settling separation tank, layering, filtering an upper-layer organic phase, washing and returning a filtered filtrate to the extraction tank, filtering, washing and drying a lower-layer phosphogypsum slurry layer, and obtaining the purified phosphogypsum. The method for the deep purification of phosphogypsum by the extraction method disclosed by the invention can obviously improve the whiteness of phosphogypsum and lower the content of impurities such as phosphorus, fluorine , silicon, metal oxides and the like in phosphogypsum, and then anhydrite is directly obtained.
Owner:中化农业(临沂)研发中心有限公司

Hand-held electric hammer uphole drilling device

ActiveCN102990789AAvoiding the dangers of flying aroundAvoid difficultyStone-like material working toolsVehicle frameGear wheel
The invention discloses a hand-held electric hammer uphole drilling device. The hand-held electric hammer uphole drilling device comprises a carriage body, a telescopic link, a connector and a drilling self-feeder, wherein the carriage body is provided with the telescopic link, the top of the telescopic link is provided with the connector, and the drilling self-feeder is arranged on the telescopic link, so that the drilling device is integrally formed. The hand-held electric hammer uphole drilling device disclosed by the invention takes the carriage as a storage carrier, can be used for forming the telescopic link through multi-sectional steel tubes, adopting the gear transmission as a drilling motion feeding mechanism, displaying the drilling azimuth and the equal-unequal hole pitch value by dint of a universal cursor positioning instrument, a stopwatch and a positioning rod, makes up the blank that an operator cannot carry out uphole drilling operation without a hand-held electric hammer driller through an automatic power line collecting-releasing function, has the advantages of high positioning accuracy, high speed, large drilling adaptation height range, flexible movement and visible and controllable drilling depth and can outstandingly reduce the labor intensity, improve the work efficiency, enhance the drilling quality and effectively solve the problem of predicament of people working under a dust scattering area.
Owner:HUAIAN OF JIANGSU ELECTRIC POWER COMPANY POWER SUPPLY +1

Out-of-communication control method of outdoor unit of inverter air conditioner

The invention discloses an out-of-communication control method of an outdoor unit of an inverter air conditioner. According to the out-of-communication control method disclosed by the invention, a working mode of the inverter air conditioner is set by a user after the inverter air conditioner is started; judgment can be carried out by the user according to the working mode, judging operation can be carried out according to a working state of an outdoor supply relay, and thus whether an out-of-communication situation happens or not can be judged; the working state of the inverter air conditioner and the rotating speed of a fan can be controlled according to indoor and outdoor temperature parameters under the out-of-communication situation, thus the inverter air conditioner can still work normally under the situation that the indoor unit and an outdoor unit are out of communication, the problem in the prior art that the using of the inverter air conditioner is affected as the inverter air conditioner is shut down once the out-of-communication situation happens is avoided, and the using satisfaction degree of the inverter air conditioner is increased. The out-of-communication control method of the outdoor unit of the inverter air conditioner, disclosed by the invention, has the advantages that the normal work of the inverter air conditioner is ensured when the indoor unit and the outdoor unit are out of communication, the inverter air conditioner is furthest enabled to be used by the user when the user is in need of the inverter air conditioner, and the like.
Owner:CHINA YANGZI GRP CHUZHOU YANGZI AIR CONDITIONERCO

NiFeMo ternary electrolytic water electrode and preparation method thereof

The invention discloses an NiFeMo ternary electrolytic water electrode and a preparation method thereof. Firstly, iron salt, nickel salt, urea and NH4F are used as raw materials under a low-temperature hydrothermal condition to prepare NiFe-LDH/NF, then NiFe-LDH/NF and a compound containing molybdenum are subjected to a low-temperature hydrothermal reaction to obtain Ni-Fetrace@NFM/NF, then Ni-Fetrace@NFM/NF is placed in a flowing reducing atmosphere for heat treatment for a certain time, and a final material of Ni/NiFeMoOx/NF is obtained; and in the process, an LDH substrate is reduced to Ninanoparticles, and mutually cross-linked with NiFe-MoOx generated by reduced molybdate to form a composite material with a hierarchical porous nanosheet structure. The hierarchical porous nanosheet structure facilitates bubble diffusion, a formed alloy is cross-linked with MoOx and combined with a conductive substrate to have excellent electrical conductivity, and in the way, the material has excellent reaction kinetics; and NiFe-MoOx with the high hydrogen evolution activity and the Ni nanoparticles with the high hydrogen evolution activity both endows the material with excellent hydrogen andoxygen evolution properties, and then catalytic performance of all electrolytic water with application prospects is obtained.
Owner:HUAZHONG AGRI UNIV

Environmental protection dredging stockyard sediment original position rapid dehydration system

InactiveCN103232149ADeal with scalingAchieve fast dryingSludge treatment by de-watering/drying/thickeningDraining tubePositive pressure
The invention relates to an environmental protection dredging stockyard sediment original position rapid dehydration system, which comprises an input unit, a grating unit, a positive pressure pumping filtration draining unit, an overflow slurry deposition unit, a residual water purification unit and residual water purification unit and residual water discharge unit, and these units are connected in order; the bottom plane of the positive pressure pumping filtration draining unit has a trapezoid design, and the bottom of the positive pressure pumping filtration draining unit is distributed with a drainpipe, and the drainpipe is connected with water chutes at double sides by a vacuum water pump, and the residual pumping filtration water is connected with the water chute and enters into the residual water purification unit. The system combines with the real case of the dredging engineering and anhydration technology of home and abroad dredging stockyard sediment, and integrates the sediment dehydration, anhydration, silt grading, residual water treatment and a series of functions into one body, and has the characteristics of large treatment scale, small environmental pollution, short construction period, high economic benefit, etc., thereby effectively solving the dilemmas in the traditional dredging stockyard.
Owner:TIANJIN UNIV OF SCI & TECH

Brushless DC (direct current) motor air conditioning system control circuit

The invention discloses a brushless DC (direct current) motor air conditioning system control circuit comprising a microcontroller U4, an indoor DC fan motor rotational speed control circuit, an outdoor DC fan rotational motor rotational speed control circuit, an outdoor DC motor fixed rotational speed and adjustable rotational speed switching circuit, an indoor motor speed regulation voltage shutdown circuit, an outdoor motor speed regulation voltage shutdown circuit and a temperature detection circuit, wherein the outdoor DC fan motor rotational speed control circuit comprises a first circuit unit and a second circuit unit; the circuit board of the brushless DC (direct current) motor air conditioning system control circuit consists of an outdoor control panel and an indoor control panel; and the outdoor control panel and the indoor control panel are connected through plug connectors CN2 and CN4. The brushless DC (direct current) motor air conditioning system control circuit can perform speed regulation control on the indoor and outdoor fan motors at random to achieve a good heating effect, and match the outdoor motor fixed rotational speed control and closed loop speed regulation control at random so as to improve the development convenience of products.
Owner:CHINA YANGZI GRP CHUZHOU YANGZI AIR CONDITIONERCO

Integrated test stand of straight-travel electric actuating mechanism

An integrated test stand of a straight-travel electric actuating mechanism comprises an S-type force sensor, a digital display displacement measuring instrument, a magnetic powder brake, a gear rack group and a console; and the integrated test stand also comprises an installation seat; one end of the S-type force sensor is a connection end of an output shaft of the electric actuating mechanism; the other end of the S-type force sensor is connected with a rack in the gear rack group, the rack movably runs on a rack seat along the force measuring direction of the S-type force sensor, and the rack seat is fixedly installed on the installation eat; a gear in the gear rack group which is matched with the rack is installed on a gear shaft, the end part of a gear shaft is supported on a bearing seat, and the bearing seat is fixedly installed on the installation seat; the gear shaft is connected with an output shaft of the magnetic powder brake through a coupler; the measurement end of the digital display displacement measuring instrument is correspondently connected with the output shaft of the electric actuating mechanism; and the console receives data of the S-type force sensor and the data of the digital display displacement measuring instrument to be processed and outputted and supplies a voltage power supply signal and a current control signal to the electric actuating mechanism and the magnetic powder brake. Due to the adoption of the integrated test stand, the detection of the thrusting force and the displacement of the straight-travel electric actuating mechanism can be realized, the detection range is wide, the detection precision is high, and real-time online detection can be realized.
Owner:UNIV OF JINAN

Artificial intelligence identification system for underground coal mine unsafe behaviors based on deep learning

The invention discloses an artificial intelligence identification system for underground coal mine unsafe behaviors based on deep learning. The system comprises mine field instance material collection, a training data set, an AI training platform, an algorithm model, a control platform and the like. According to the AI training platform based on deep learning technology, a training data set generated by collecting mine field instance materials is loaded. The underground coal mine unsafe behaviors are trained. After an algorithm model is acquired, the information is directly imported into an AI camera or an NVR through a control platform. An AI camera or NVR performs artificial intelligence analysis on a real-time video stream, identifies trained unsafe behaviors, pushes an inference result to a control platform, pushes unsafe information to an administrator by the control platform, checks the unsafe information, communicates with the site, confirms and stops the unsafe behaviors, pushes the unsafe behaviors to an administrator and pushes the unsafe behaviors to an unsafe place at the same time, so that acousto-optic warning is carried out on the site. Accidents are reduced, and the application range is wide.
Owner:枣庄矿业(集团)有限责任公司蒋庄煤矿

Financial electronic equipment main key online distribution method and system

The invention provides a financial electronic equipment main key online distribution method and system. The method comprises the following steps: a financial mechanism transmits a public key to a manufacturer; the manufacturer transmits first signature information obtained according to a second private key and a first public key, and a second public key to the financial mechanism; the electronic equipment transmits a third public key to the manufacturer and the financial mechanism; the manufacturer transmits the second signature information obtained according to the second private key and a third public key, and the second public key to the electronic equipment and the financial mechanism; the financial mechanism transmits the third signature information obtained according to the first private key and the main key ciphertext, main key ciphertext obtained by encrypting a main key generated by utilizing the third public key after the signature verifying is passed, the first public key, the first signature information and a first main key check value to the electronic equipment; the electronic equipment obtains the main key by utilizing the third private key after verifying the signature information, computes to obtain a second main key check value to compare with the first main key check value, and stores the main key when the second main key check value is consistent with the first main key check value. Through the scheme provided by the invention, the security and the efficiency of the main key transmission between the electronic equipment and the financial mechanism is improved.
Owner:BANK OF COMMUNICATIONS

Magnetic blow-out system, arc extinguishing device, single-pole circuit breaker and multi-pole circuit breaker

The invention provides a magnetic blow-out system, an arc extinguishing device, a single-pole circuit breaker and a multi-pole circuit breaker. The magnetic blow-out system comprises a magnetic blow-out coil used for blowing arcs generated between a moving contact and a static contact of a circuit breaker to an arc extinguishing chamber, the magnetic blow-out coil is arranged on a shunting branch of a circuit breaker main circuit with set current or is connected to the circuit breaker main circuit with set current in series. The current flows through the magnetic blow-out coil when the circuit is connected by the moving contact and the static contact so as to generate magnetic flux. When the contacts are disconnected and arcs are generated, the magnetic blow-out coil can push the arcs to move towards the arc extinguishing chamber due to the magnetic flux generated when the current flow through. The technical scheme is simple in structure and capable of adapting to application occasions with small current. In addition, the magnetic blow-out system has no requirement for the polarity of a wiring terminal, solves a problem that small current is difficult to be disconnected, can be applied to direct current and alternating current occasions, meets requirements of a photovoltaic power generation system and the like for a miniature circuit breaker and adapts to development requirements of a new energy industry in the future.
Owner:ANDELI GRP

Glue for cutting process of solar cell silicon wafer

The invention discloses a glue for a cutting process of an environment-friendly solar cell silicon wafer. The glue comprises a component A and a component B, wherein the component A comprises the following ingredients in percent by weight: 25-35 percent of epoxy resin A, 25-35 percent of epoxy resin B, 5-10 percent of flexibilizer, 0.1-0.5 percent of thixotropic agent, 5-10 percent of diluent, 20-40 percent of filler and 0.1-0.5 percent of auxiliary; and the component B comprises the following ingredients in percent by weight: 10-20 percent of aromatic amine, 10-20 percent of alicyclic amine, 5-15 percent of phenolic amine, 3-10 percent of low molecular weight polyamide, 5-15 percent of diluent, 5-10 percent of catalyst A, 5-10 percent of catalyst B, 0.5-1 percent of auxiliary and 30-55 percent of filler. All performance indexes of the glue for the cutting process can reach the performance indexes of slimier products abroad, the dilemma that the glue for the cutting process of most of solar cell silicon wafers at present depends on imported products imported, no special equipment requirement is required for production enterprises, and an important practical significance is provided for reducing the cost and increasing the production efficiency for the production enterprises.
Owner:NANJING AIBUNA SEALING TECH CO LTD +1

Control method of variable frequency air conditioner

The invention discloses a control method of a variable frequency air conditioner. After the air conditioner is turned on, the working mode of the air conditioner is set by a user. The user judges according to the working mode and performs judgment operation according to the working state of an outdoor power supply relay so as to judge whether the situation of communication outage occurs or not. Under the condition of communication outage, the working state of the air conditioner and the rotation speed of a fan are controlled according to the indoor and outdoor temperature parameters, so that the air conditioner can still work normally under the condition that an indoor unit and an outdoor unit are not communicated; thus, the problem that the air conditioner stops once the air conditioner is not communicated so as to affect the use of the air conditioner is avoided, and the user satisfaction of the air conditioner is improved. The control method of the variable frequency air conditioner has the advantages that the air conditioner can still work normally when the indoor unit and the outdoor unit of the air conditioner are not communicated to guarantee that the user can normally use the air conditioner in need of the air conditioner to the greatest extent and the like.
Owner:CHINA YANGZI GRP CHUZHOU YANGZI AIR CONDITIONERCO
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products