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182results about How to "Resolution status" patented technology

Anionic water-based non-curing rubber asphalt waterproof coating and preparation method thereof

ActiveCN106398536AResolve the breakAddresses flex fatigueBituminous coatingsWater basedElastomer
The invention discloses an anionic water-based non-curing rubber asphalt waterproof coating and a preparation method thereof. The preparation method comprises the steps that 85-95 parts by mass of anionic rubber modified asphalt emulsion, 2-5 parts by mass of anionic SBR latex, 4-7 parts by mass of anionic neoprene latex, 0.1-1 part by mass of hydrophobing agent and 0.5-2.5 parts by mass of permeability-reducing agent are stirred and mixed to be uniform to obtain a component A; inorganic salt is dissolved in water, an inorganic salt solution with the concentration being 10% to 30% is prepared, and a component B is obtained; the component A and the component B are sprayed and mixed through a spraying gun according to the mass ratio being (5-15):1, and the anionic water-based non-curing rubber asphalt waterproof coating is obtained, wherein the anionic rubber modified asphalt emulsion is prepared by emulsifying matrix asphalt, a tackifier, rubber elastomers, an anionic emulsifier, a stabilizer, a PH modifier and water through a colloid mill. The product is stable in storage, environmentally friendly, free of pollution, good in non-curing effect, high in waterproof performance and simple in process.
Owner:KESHUN WATERPROOF TECH CO LTD

Electric automobile intelligent charging method based on mobile intelligent terminal

InactiveCN105429200AOvercoming can't be unlockedOvercoming charging problemsBatteries circuit arrangementsCharging stationsComputer terminalMarine navigation
The invention discloses an electric automobile intelligent charging method based on a mobile intelligent terminal. The electric automobile intelligent charging method comprises the steps that nearby automobile charging service stations are searched; an appointment of a charging pile meeting the requirements of a user is made according to demands; voice navigation to the charging pile is performed through an intelligent terminal APP; an automobile and identify certification and authentication are performed, and a charging gun head automatically unlocks after certification and authentication are passed; the charging switch of the charging gun head is turned on to start charging; a bill is pushed to the intelligent terminal APP after the end of charging; and the bill is paid and charging is completed. The electric automobile intelligent charging method based on the mobile intelligent terminal is easy to operate so that the problems that the charging gun head cannot unlock and perform charging when the network is not stable can be overcome, the problem that the terminal user masters the operation state and the physical parameters of the charging pile in real time can be solved and safety and effectiveness of electric automobile charging can be enhanced.
Owner:GUILIN ZHONGJIE NEW ENERGY TECH CO LTD

Automobile remote monitoring system and monitoring method thereof

The invention provides an automobile remote monitoring system and a monitoring method thereof. The system comprises automobile ECUs, a wireless communication network and a monitoring center communicated with the automobile ECUs by the wireless communication network, wherein the wireless communication network comprises an automobile ECU-inside wireless communication module, an antenna, a mobile base station, an SGSN server, a GGSN server, a GPRS / GSM / 3G backbone network and an Internet network; the mobile base station is communicated with the automobile ECUs and communicated with the GPRS / GSM / 3G backbone network by the SGSN server, and the GPRS / GSM / 3G backbone network is communicated with the Internet network by the GGSN server; and the monitoring center comprises a data server and a control terminal, and the control terminal and the server are connected with the Internet network respectively. By the monitoring system, the monitoring center can remotely monitor the running state of a batch of automobiles by a wireless communication technique, and the maintenance and management cost of sold automobiles is greatly lowered.
Owner:LAUNCH SOFTWARE DEV

Unmanned aerial vehicle comprehensive ground station system and application method thereof

The invention discloses an unmanned aerial vehicle comprehensive ground station system which taken a vehicle body as a carrier; a device installed on the vehicle body comprises an unmanned aerial vehicle push-pull type fixed loading structure; the unmanned aerial vehicle push-pull type fixed loading structure comprises a sliding rail connected with an engineering vehicle; a loading flat plate for an unmanned aerial vehicle body to be placed is arranged at the upper part of the sliding rail; an embedded groove matched with an unmanned aerial vehicle body underframe is formed on the loading flat plate; and a buckle for fixing the unmanned aerial vehicle body underframe is also arranged on the loading flat plate. The invention further provides an application method of the unmanned aerial vehicle comprehensive ground station system. The unmanned aerial vehicle comprehensive ground station system and the application method thereof have the beneficial effects that an unmanned aerial vehicle can be matched for power transmission line inspection task, so that the safe reliability and the detection effectiveness can be effectively improved, and meanwhile, and the practical significance for the unmanned aerial vehicle inspection area and scope extension is prodigious.
Owner:STATE GRID INTELLIGENCE TECH CO LTD

Video surveillance network quality inspection method and system

The invention discloses a video surveillance network quality inspection method and a system and belongs to the technical field of network videos. The method comprises the following steps of monitoring work status of a device in a video surveillance network; monitoring and inspecting video image quality; performing statistics on detection results and alarming information of the video surveillance network device and the video image quality, displaying alarm information to users automatically, and providing service including browse, inquiry and the like. The invention further provides the system applying the method. The system manages and monitors large video networks in a concentrated mode, automatically analyzes and evaluates video quality of a front camera in the video surveillance network and operation status of the network device, timely finds out failure of the camera and the network device, and greatly improves safety and flexibility of the video surveillance network and accuracy and real-time performance of video and network failure detection.
Owner:THE THIRD RES INST OF MIN OF PUBLIC SECURITY

A port field data acquisition, transmission and issuance system based on Zig Bee technology

A port on-site data acquiring, transmitting, sending and issuring system based on zigbee technology in the remote monitoring and controlling field of electromechanical equipment, comprises a wireless sensing network and a remote data server, wherein the wireless sensing network is distributed in a port working field, and can acquire working state data of the port field, collect the intra-network acquired data in a zigbee wireless manner, pack the collected data, and transmit to the remote data server via wired enterprise in-house network based on a transmission control protocol and an internetwork protocol. The remote data server can receive the data based on the transmission control protocol and the internetwork protocol, resolve the data according to the packed data transmission format, store the data in a database, and issue the data in a web service mode. The invention provides data support for monitoring application program development, failure pre-warning and equipment maintenance. In addition, the low-cost zigbee technology can reduce system complexity, and has good anti-interference performance, expandability and practicability.
Owner:SHANGHAI JIAO TONG UNIV

Network topology display method and device

The invention discloses network topology display method and device. The method comprises the following steps: acquiring data from a network management service terminal; confirming equipment node arranged in a focus picture and corresponding to the data; and updating the focus picture according to the display state of the equipment node. The focus picture is a network topology picture of monitored equipment, which is displayed to users. By adopting the invention, the problems in the related techniques that the states and data of related equipment can not be compared in a topology monitoring picture and the plotting efficiency is low, and the system efficiency and the user experience are improved.
Owner:ZTE CORP

Method and device for measuring electric quantity of mobile phone battery

The invention discloses a method and a device for measuring the electric quantity of a mobile phone battery. The method comprises the following steps of: measuring the voltages of the battery in real time at one stage of an application scene; compensating the voltage measured in real time by using a voltage compensation value corresponding to the stage; and determining the electric quantity of the battery according to the compensated voltage. By adopting the invention, the effect of accurately measuring the electric quantity of the mobile phone battery is achieved.
Owner:ZTE CORP

Method and device which are capable of achieving telecom cloud business migration

The invention relates to a method capable of achieving telecom cloud business migration, wherein a telecom cloud device comprises a software as a service (SaaS), a platform as a service (PaaS), and an infrastructure as a service (IaaS). The method capable of achieving telecom cloud business migration includes that when resource state is detected as abnormal, an abnormal state notification message is sent to the PaaS or the SaaS, and the identification of a virtual machine (VM) with state abnormal is carried in the abnormal state notification message; and business migration operation is executed by the PaaS or the SaaS after businesses corresponding to the VM with the state abnormal are determined by the PaaS or the SaaS according to the identification. Accordingly, the invention further provides a device for business migration, the problem that the state of the VM is incapable of being detected timely is solved, and the timeliness of fault detection is improved.
Owner:HUAWEI TECH CO LTD

Dynamic spindle rotation precision detection device

The invention discloses a dynamic spindle rotation precision detection device, and relates to the precision measurement field. A plurality of eddy current sensors are arranged, with axes orthogonal to each other, in a radial direction of a spindle detection mandrel, to obtain a run-out displacement signal in a corresponding radial direction of the detection mandrel. A fixing sleeve is passed through by several fastening screws and locked and fixed along an axial direction of a spindle outer cover. The fixing sleeve covers the spindle outer cover and is locked and fixed for supporting and fixing the eddy current sensors and a reflection type photoelectric sensor. The eddy current sensors and the reflection type photoelectric sensor are connected to an embedded system device which conducts analysis on collected radial run-out data, wherein the eddy current sensors and the reflection type photoelectric sensor present a non-contact state with a detection point of the spindle detection mandrel. The problems that a conventional contact detection device can neither measure the radial run-out of the spindle at a high speed rotating state nor detect the rotation precision of the spindle at an absolute position are solved, and structural design data are provided for improving the spindle dynamic precision.
Owner:CHONGQING MACHINE TOOL GROUP

Energy management control method of photovoltaic energy storage system

InactiveCN105576677AConvenient global controlConvenient local controlPV power plantsEnergy storageControl mannerSystem configuration
The invention discloses an energy management control method of a photovoltaic energy storage system. The energy management control method comprises a photovoltaic energy storage system configuration method, a concentrated energy storage system control method and a distributed energy storage system control method. Compared with a mixed energy storage structure, the energy management control method adopts a concentrated energy storage and distributed energy storage layered control manner, and global control and partial control can be conveniently and effectively carried out on the photovoltaic energy storage system; a control circuit and a control process are simplified and the control efficiency is improved; by optimizing the concentrated energy storage and distributed energy storage control methods, the photovoltaic utilization rate can be effectively improved and bus voltage is stabilized; and with the adoption of a storage battery grouped control manner, the problems that the data volume is great and an electric charge state of each storage battery is difficult to reasonably determine when single control is adopted are solved. The energy management control method can be widely applied to the distributed photovoltaic energy storage system; and a control manner is simplified, the control efficiency is improved and the photovoltaic utilization rate and the power supply quality are improved, so that the energy management control method has very important application prospects.
Owner:HUAZHONG UNIV OF SCI & TECH +3

Battery state of health assessment method, device, storage medium and electronic device

InactiveCN109932663AComprehensive understanding of health statusEasy to useElectrical testingState of healthInternal resistance
The present invention provides a battery state of health assessment method, a battery state of health assessment device, a storage medium and an electronic device. The method includes the following steps that: the battery parameters of a target battery are determined, wherein the battery parameters include the capacity increment of the target battery, the discharge capacity of the target battery and the battery internal resistance of the target battery; the battery parameters are analyzed with a first model, so that the state of health of the target battery can be determined, wherein the firstmodel is obtained by means of training through machine learning on the basis of a plurality of sets of data, wherein each set of data in the plurality of sets of data include the battery parameters and the states of health of batteries; and identification information for identifying the state of health of the target battery is outputted. With the battery state of health assessment method, the battery state of health assessment device, the storage medium and the electronic device of the invention adopted, the problem of failure to evaluate the state of health of a battery in real time and comprehensively in the prior art can be solved.
Owner:SICHUAN ENERGY INTERNET RES INST TSINGHUA UNIV +2

Steering stability control system and method based on four-wheel independent driving electric vehicle

The invention discloses a steering stability control system and method based on a four-wheel independent driving electric vehicle. The system comprises an external monitoring module and a central control module; the external monitoring module comprises four pressure sensors, a road surface environmental sensor, four tire road detectors, a steering wheel rotation angle sensor, a yaw velocity sensorand a speed sensor, and the central control module comprises an instability device and an emergency processing execution system. According to the steering stability control system and method, factorssuch as a real-time friction factor and dynamic load transfer are considered at the same time, the ideal rotation angle and ideal yaw velocity which continuously change under the real-time state arecalculated, an ideal value is tracked, the problem is solved that the stability control system cannot change along with the state to conduct control adjustment, and accordingly the control system is more accurate, practical and available. According to the steering stability control system and method, steering instability is divided into two steps of rotation angle adjustment and yawing moment adjustment, a tracking algorithm and a neural network PID algorithm are combined and applied to rotation angle stability control, and the steering stability is greatly improved.
Owner:DALIAN UNIV OF TECH

An aero-engine turbine blade reliability digital twinning modeling method

The invention discloses an aero-engine turbine blade reliability digital twinning modeling method, relates to the technical field of aero-engines, and aims to realize high fidelity simulation and tracking of aero-engine turbine blade damage and life loss and quickly and efficiently evaluate the reliability and residual life of the aero-engine turbine blade. According to the invention, the turbineblade is taken as an object, aiming at the characteristics of multi-source and multi-time-scale use reliability related information, few fault samples and the like of the turbine blade, a physical model driving and data driving fusion method is adopted, that is, the specialty of a physical model in the aspect of explaining specific data is fully utilized, and a turbine blade digital entity model based on a high-precision physical model and multi-source data is constructed by means of the advantages of a machine learning method in the aspects of dimension reduction and multi-modal data fitting.The model can reflect the physical characteristics of the turbine blade and the variable characteristics dealing with different environments and damages, and can realize the product operation reliability dynamic evaluation and residual life prediction of multimode information fusion.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Intelligent biogas monitoring system based on LoRa technology

The invention discloses an intelligent biogas monitoring system based on a LoRa technology. The system comprises an intelligent terminal, a relay, a convergence gateway, an application management server and a PC client and/or a mobile phone APP terminal, wherein the intelligent terminal collects various data of a biogas meter; the relay forwards the data of the intelligent terminal to the convergence gateway, the convergence gateway is responsible for transmitting and receiving the data of the intelligent terminal and uploading the data to a biogas administrative department through a GPRS network. The intelligent biogas monitoring system is used for communicating through an internal LoRa communication module, so that the communication has the advantages of longer distance and lower power consumption; and furthermore, the system solves the problems that usage data of a biogas user is liable to be collected and the usage state is liable to be controlled under the conditions of bad biogas usage environment, poor mobile network signal, complicated wired laying and dispersive user management and has the advantages of long communication distance, low power consumption, accurate and timely data acquisition, remarkable beneficial effect and fitness for application and popularization.
Owner:ENERGY RES INST OF SHANDONG ACAD OF SCI +2

Control method, device and system for air conditioner and air conditioner

The invention discloses a control method, device and system for an air conditioner and the air conditioner. The method includes the steps that client-side data of at least one mobile device entering the control area of the air conditioner are obtained, control information is determined according to the client-side data of the at least one mobile device, and the work state of the air conditioner is controlled according to the control information. By means of the control method, device and system for the air conditioner and the air conditioner, the technical problem that in the prior art, because the requirements of different groups in public spaces for humidity, the air volume and the like are different, the work state of the air conditioner cannot be regulated and controlled in time in a user-friendly manner is solved.
Owner:GREE ELECTRIC APPLIANCES INC

Tensile load applying device for concrete chloride ion permeability test and test method

InactiveCN102128773ASolve the failure to apply continuous tensile load to the tested pieceResolution statusPermeability/surface area analysisEngineeringStructural engineering
The invention provides a tensile load applying device for a concrete chloride ion permeability coulometric-process test, and a test method. In the tensile load applying device, four threaded holes are formed at the four corners of a steel bottom plate, four parallel screws are fastened into the threaded holes, and compression springs, and a tensile steel plate, a pressing steel plate and a top plate, which are parallel with the steel bottom plate, are sleeved on the screws; four threaded holes are formed in the middle of the four edges of the steel bottom plate, four through holes are formed in the middle of the four edges of the tensile steel plate, and tensile screws are inserted into the through holes; and the tensile screws above the tensile plate are sleeved with through hole ball seats and fixed nuts, and the lower ends of the tensile screws are connected with a tensile force measurement device. The invention also provides a concrete chloride ion permeability coulometric-process test method using the applying device. The applying device provided by the invention solves the problem that the conventional concrete chloride ion permeability test device is incapable of applying tensile load onto a tested piece, simulating the actual load state of in-service concrete member and measuring the concrete chloride ion permeability under a tensile load condition.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +1

Remittance path following system and method

The present invention provides a remittance path follow system and a method for solving the problem that client can not obtain real-time state of remittance in existing technology. The method includes steps: relative remittance report is obtained from existing remittance system, said remittance report is stored in data management device, said relative remittance report information is updated along with processing for said remittance report by said remittance system; then query report is received, the relative remittance report state information according with client query condition is returned to client by querying relative remittance report date of said data management device. The invention has benefits in that bank teller and client can query newest process state and path information of a remittance at any time so as to give corresponding process.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Ultra-high frequency (UHF) radar frequency spectrum shifting method of frequency selective surface (FSS)-based multi-layer reflective modulation plate

InactiveCN107565218ARealize two-phase constant modulus modulationRealize Spectrum ShiftAntennasFrequency spectrumUhf radar
The invention relates to an ultra-high frequency (UHF) radar frequency spectrum shifting method of a frequency selective surface (FSS)-based multi-layer reflective modulation plate, and belongs to thetechnical field of electromagnetic field microwave. By means of electromagnetic characteristic controllability of an electromagnetic metamaterial, an FSS-based three-layer structured reflective modulation plate is designed, dynamic conversion of a transient characteristic impedance state is achieved, so that the electromagnetic characteristic such as margin and phase of a low-frequency radar incident wave and a reflective wave direction are changed, and the problem of frequency spectrum shift of an UHF radar incident wave and receiver signal detection are solved. The three-layer reflective modulation plate is designed on the basis of FSS, conversion between a high-impedance state and a low-impedance state of a surface of an active layer is controlled, and two-phase constant-mode modulation of the radar incident signal is achieved; and meanwhile, based on a transmission line principle, an equivalent circuit of an adjustable reflective modulation plate is designed and has ideal wave absorption capability, and frequency spectrum shift of the UHF frequency radar signal is achieved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Digital asset offline payment method, payment end, collection end and storage medium

The present invention provides a digital asset offline payment method. The digital asset offline payment method comprises: allowing a payment end to generate a corresponding UTXO consumption record according to an offline payment instruction and a local UTXO while the payment end receives the offline payment instruction; sending the UTXO consumption record to a collection end; updating the UTXO according to the UTXO consumption record while the confirmation information returned by the payment end is received, obtaining a secondary UTXO, and storing the UTXO consumption record in a to-be-processed information library; and synchronizing the UTXO consumption record in the to-be-processed information library to a transaction server to update a personal digital asset account of the payment endwhile the transaction server is connected successfully. The invention also provides a payment end, a collection end and a storage medium. The technical problem that the mobile terminal cannot performoffline payment when the network state is poor or there is no network.
Owner:CHINA MERCHANTS BANK

Automatic driving decision-making method and automatic driving device of vehicle

The invention discloses an automatic driving decision-making method and an automatic driving device of a vehicle. Compared with a common feedforward control decision-making method, the automatic driving decision-making method and the automatic driving device of the vehicle can enable a driving system to be trained under a sufficient data condition based on a deep reinforcement learning method, andcan quickly and accurately make a decision under a higher-speed and complex road surface environment after training. Different from an existing reinforcement learning method in which huge loads are generated due to centralized processing of trajectory generation and tracking tasks, and a system is not converged due to execution of the current state of a vehicle, the method has the advantages thatthe feedforward error amount of a target vehicle is directly used as the state of the target vehicle, an immediate return obtained by executing the action of optimal strategy mapping in the current state is set as an opposite number of the current feedforward error amount so as to carry out deep reinforcement learning; trajectory planning and action planning are decoupled, on the premise that trajectory planning is completed, the tracking problem after trajectory planning is solved in a centralized mode, an optimal strategy is obtained, a strategy network model is constructed, and convergenceand self-adaptation of the model can be achieved.
Owner:SHENZHEN INST OF ADVANCED TECH

Neighbor discovery and link status detecting method applicable to broadcast link

The invention discloses a neighbor discovery and link status detecting method applicable to broadcast link. The method comprises the step of performing protocol interaction through a multicast message; the protocol message includes neighbor advertisement, node information query, node information query response, neighbor list query and neighbor list query response; the detailed information of a neighbor can be learnt through the protocol, and various wired, wireless, point-to-point and broadcast links can be met; the protocol is small in cost and fast to respond. The method has the beneficial effects that the neighbor discovery and link status detecting of various links applies; the cost of link is small; the learnt neighbor MAC address is able to support unnumbered address communication of an Ethernet interface; the learnt neighbor information brings routing protocol transformation, topological description of network management devices and other application and use; the problem that the true on and off and one- and two-way status of the links interconnected through a link device, of switching nodes cannot be detected can be solved.
Owner:CHONGQING JINMEI COMM

Intelligent substation secondary virtual loop visualization method based on graphic configuration plug-in

InactiveCN106126830ASolve no terminalSolve no connectionData processing applicationsCAD circuit designGraphicsSmart substation
The invention relates to an intelligent substation secondary virtual loop visualization method based on graphic configuration plug-ins, and belongs to the technical field of electric power system intelligent substation automation. The method comprises: through establishing an intelligent substation secondary virtual loop database model, importing secondary virtual loop incidence relation of a substation configuration description (SCD) model to a monitoring background configuration database, in a configuration tool, dragging corresponding business tree nodes into a configuration screen, to generate a virtual loop configuration graph in a corresponding hierarchy, and associating corresponding node business data, and according to the state of the loop, displaying the secondary virtual loop of the intelligent substation on a monitoring background screen. Through using pictures based on graphic configuration plug-ins, and a convenient business association method, multi-stage total state of the secondary virtual loop of the intelligent substation is displayed on a monitoring background real-time screen in real time, so as to ensure stable operation of a substation system.
Owner:XJ ELECTRIC +3

Online seat picking method, system and device

The invention provides an online seat picking method, system and device. The method comprises the following steps of: receiving an SVG image which carries a seat area identification; analyzing a seat area of the SVG image and adding a unique seat area identifier in the seat area; adding a created seat node into a node corresponding to the seat area identifier so as to generate an SVG static seat resource file; and periodically uploading the SVG static seat resource file to CDN to cache and display in an interface. According to the technical scheme provided by the invention, the times for processing each request of a user by a server are reduced, and the pressure of the server and the pressure of a database are reduced; and the user requests are guided to the nearest service node, so that the content can be obtained more quickly and the response speed of the website to which the user accesses is improved. According to the method, system and device provided by the invention, the problem that the states of CND static resources cannot be updated in time is solved, the problem that the data size is relatively large is solved through repeated asynchronous requests, the problem that the online seat picking of large stadiums is stuck to cause low loading speed is solved, and the experience of purchasing a plurality of seats by the user is improved.
Owner:BEIJING HONGMA SCI & TECH

System and method for shale in-situ volume fracturing tests

The invention provides a system and a method for shale in-situ volume fracturing tests, and belongs to the technical field of shale gas exploitation. The system comprises a cubic shale test piece with a center hole, a three-shaft loading system used to apply stress to the shale test piece, a volume fracturing system used to inject a fracturing fluid into the shale test piece, and a data monitoring acquisition system for acquiring sound and load during fracturing of the shale test piece. The shale in-situ volume fracturing test system employs a real shale body as a test target, and the three-shaft loading system with a flexible hydraulic bag is added on the basis of a conventional system, so that the stress suffered by a shale layer can be truly simulated during exploitation of shale gas, and thus technical data related to shale fracturing is conveniently and relatively accurately obtained by people, and the problems are effectively solved that a conventional test system and a method for researching shale in-situ volume fracturing cannot simulate the stress state and the fracturing mode of the shale layer during a real exploitation process.
Owner:INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI

Analog simulation experiment method and device for wind power variable paddle speed reducer

The embodiment of the invention discloses an analog simulation experiment method for a wind power variable paddle speed reducer. The wind power variable paddle speed reducer is installed on an experiment table capable of rotating around a horizontal axis; the wind power variable paddle speed reducer and the experiment table are installed with a detecting device. The method comprises the following steps of: receiving starting parameters input by a user through a control mechanism to start an experiment device; obtaining experiment data collected by a detecting apparatus when the working states of the wind power variable paddle speed reducer and the experiment table are stable. The method provided by the invention improves analog of the working state of the wind power variable paddle speed reducer and the precision of the experiment. The embodiment of the invention further provides an analog simulation experiment device for the wind power variable paddle speed reducer.
Owner:CHONGQING GEARBOX

Intelligent reducer

InactiveCN103410924AReal-time monitoring of working statusReal-time monitoring of actual working statusPortable liftingToothed gearingsEngineeringReducer
The invention discloses an intelligent reducer which comprises a power input eccentric shaft, a duplicate gear, a fixed inner gear and a power output inner gear, wherein an eccentric section is arranged on the power input eccentric shaft; the duplicate gear comprises an outer gear I and an outer gear II; the outer gear I and the outer gear II are arranged on the eccentric section in a rotary matched and sleeved mode; the fixed inner gear and the outer gear I form an engagement pair I with a small tooth difference; the power output inner gear and the outer gear II form an engagement pair II with a small tooth difference; the engagement pair I with the small tooth difference and the engagement pair II with the small tooth difference are respectively provided with a grooving elastic filtering structure; each grooving elastic filtering structure comprises gear tooth grooves formed in gear teeth of the gears and / or gear grooves formed in tooth grooves of the gears; elastic bodies are arranged inside the gear tooth grooves and the gear grooves. The intelligent reducer further comprises a monitoring device, wherein the monitoring device comprises a data receiving device and sensors; the sensors are arranged inside the elastic bodies and are used for monitoring the operation conditions of the engagement pair I with the small tooth difference and the engagement pair II with the small tooth difference respectively; the sensors are in wireless connection with the data receiving device.
Owner:SICHUAN UNIV

Intelligent self-adaptive advanced hydraulic support frame

ActiveCN109026108ASolve the poor connection effectResolution statusMine roof supportsControl systemEngineering
The invention discloses an intelligent self-adaptive advanced hydraulic support frame and an automatic intelligent support process flow thereof. A main body structure of the support frame comprises abase, supporting columns, a posture-adjusting combined top beam and a rotatable top beam resetting device; an intelligent self-adaptive control system comprises a base three-way tilting angle sensor,a main body top beam three-way tilting angle sensor, a supporting top beam three-way tilting angle sensor, a supporting column pressure sensor, a height adjusting oil cylinder pressure sensor and a supporting pressure adjusting oil cylinder pressure sensor. Based on the main body structure of the intelligent self-adaptive advanced hydraulic support frame and the intelligent self-adaptive control system, the advanced hydraulic support frame can adjust the support posture in real time according to the deformation of surrounding rock of a roadway and be kept in the best support state, and the problems are solved that when traditional advanced hydraulic supports are in bearing unbalanced loading state, the posture cannot be automatically adjusted according to the deformation of the surroundingrock of the roadway, and unbalanced loading easily occurs, so that column pin shafts are broken and top beams shed; the support effect of the advanced hydraulic support frame of the roadway is effectively improved.
Owner:CCTEG COAL MINING RES INST +1

Warning information generation method and device and electronic equipment

The invention provides a warning information generation method and device and electronic equipment, and relates to the technical field of a cloud service. The method comprises the steps of: determining a first service state of an instance; sending an identifier of the instance to a bottom layer resource system so as to enable the bottom layer resource system to inquire an operating state of the instance according to the identifier, and determining a second service state corresponding to the instance according to the operating state; receiving the second service state sent by the bottom layer resource system; determining whether the first service state and the second service state are the same; and in a case of determining that the first service state and the second service state are different, sending out warning information of state abnormality. According to the embodiment of the invention, the service state of the instance, which is monitored by an instance service system, is linkedwith the operating state monitored in the bottom layer resource system to carry out combined monitoring, and when the service state and the operating state are different, warning of state abnormalityis carried out, so that a case of a charging error can be reduced and an experience degree of a user can be improved.
Owner:BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD +1

Computer state updating method and device as well as distributed system

The invention discloses a computer state updating method and device as well as a distributed system. The computer state updating method comprises the following steps of: receiving working state information reported by a proxy node of a computer; determining the working state expressed by the working state information as the current working state of the computer; comparing the current working state with the computer working state determined after receiving the last working state information; and when the comparison result meets the preset condition, generating the change information of the computer working state, and sending the change information to a master controller so as to update the computer working state recorded in the master controller. By applying the technical scheme, the existing between-group parallel and intra-group serial mode is changed into a between-group parallel and intra-group parallel mode, so that when the computer working state changes, the change information of the computer state is sent to the master controller in real time, and then the master controller updates the working state of the computer, thereby solving the problem that the working state of the computer can not be monitored and updated in real time in the existing technical scheme.
Owner:JIANGNAN INST OF COMPUTING TECH
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