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44results about How to "Strong monitoring ability" patented technology
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All-weather monitoring method for phased array antenna array plane deformation
InactiveCN106597391APowerful nonlinear mapping functionStrong adaptive learning abilityWave based measurement systemsElement modelNerve network
The invention discloses an all-weather monitoring method for phased array antenna array plane deformation. The method comprises the following steps: main factors for antenna array plane deformation are determined, each factor is dispersed in a certain range, simulation working conditions are determined after a standardized orthogonal table is consulted, an antenna array plane finite element model is built, simulation working conditions are simulated one by one, structure deformation of the antenna array plane in different working conditions can be obtained, the simulation model is verified and corrected via a array plane deformation measurement result in a typical environment, simulation data is used as sample data, a phased array antenna array plane deformation monitoring nerve network model is built, the network structure parameters are determined orderly, a nerve network is trained and tested, antenna array plane working condition data which is monitored in real time is brought into a monitoring model, antenna array plane deformation is calculated in real time, and all-weather real time monitoring of phased array antenna array plane deformation can be realized. A problem of phased array antenna array plane deformation monitoring can be effectively solved, the method can be widely applied to the field of large-scale radar antenna precision control, and the method is particularly suitable for engineering equipment having high requirements for precision in complex working environment.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
Remote pressure and flow control system of self-operated regulator
ActiveCN102109055ASimple structureEasy to operateOperating means/releasing devices for valvesSimultaneous control of multiple variablesGas pipelineEngineering
The invention relates to a self-operated regulator, in particular relating to a remote pressure and flow control system of a self-operated regulator. The remote pressure and flow control system comprises a flow meter (2), a self-operated regulator (3) with a directing device (18), a flow computer (6), an inlet pressure transmitter (7), an outlet pressure transmitter (8), a gas inlet electromagnetic valve (9), a gas exhaust electromagnetic valve (10) and a controller (12); the flow meter (2) and the flow computer (6) are connected, and the flow computer (6) is connected with the controller (12); the inlet pressure transmitter (7) and the outlet pressure transmitter (8) are connected with the signal input end (13) of the controller (12), and the signal output end (14) of the controller (12) is connected with the gas inlet electromagnetic valve (9) and the gas exhaust electromagnetic valve (10); and the directing device (18) of the self-operated regulator (3) comprises four levels of directing devices. According to the invention, the automatic regulation and remote control of the pressure and flow of gas pipelines are realized.
Owner:TERRENCE ENERGY
Dam dangerous case emergency early warning system
ActiveCN111795676AImprove early warning reliabilityImprove reliabilityHuman health protectionRainfall/precipitation gaugesEngineeringTime data
The invention discloses a dam dangerous case emergency early warning system. The system comprises a front-end sensor acquisition layer; a data integration transmission layer; a data processing layer which comprises a dam safety monitoring intelligent management system and a database and is used for carrying out real-time data analysis processing and intelligent diagnosis on the monitoring parameters, judging whether various monitoring parameters reach an early warning threshold value or not and carrying out linkage early warning and / or expert diagnosis to form an emergency plan when the monitoring parameters reach the early warning threshold value; and a data publishing layer which is used for publishing the various monitoring results reaching the early warning threshold to a specified receiving terminal in an early warning information mode to be displayed. The dam dangerous section flood prevention emergency early warning system provided by the invention is high in early warning reliability, has excellent monitoring performance, has high-reliability analysis and early warning functions, is good in durability, and can play a role for a long time; the system is very suitable for damdangerous section flood prevention safety monitoring and early warning.
Owner:智仁科技(天津)有限公司
Seal system
The present invention belongs to the technical field of the internet of things, and especially relates to a seal system. The seal system comprises a control module, a management module and seal module. The control module is configured to set user information and seal information and initiate sealing application by a sealing applicant, send the seal information and the sealing application to the management module and send the user information and customized seal information to the seal module according to the authorization message; the management module is configured to receive the seal information and the sealing application of the control module to generate customized seal information, perform authentication of the identity of the sealing applicant and send the customized seal informationand the authentication information to the control module, wherein the customized seal information at least comprises basic sealing information and the contract application information after encryption; and the seal module is configured to generate a seal according to the received customized seal information and perform sealing of the contract after the identity authorization of the sealing applicant passes. The seal system can perform safety monitoring of all the links in the seal usage process and can perform effective verification of the sealing contract so as to ensure the seal safety.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Management system achieving financial mobile transaction by use of block chain
The invention provides a management system achieving a financial mobile transaction by use of a block chain. The system comprises a data communication network, a cloud financial transaction information server based on the block chain, a third-party online financial transaction server, a client authority authentication management server based on a block chain system, a data retrieval server based on the block chain and a client online financial transaction terminal. The client online financial transaction terminal is connected with the third-party online financial transaction server and the cloud financial transaction information server based on the block chain through the data communication network. The cloud financial transaction information server based on the block chain communicates with the third-party online financial transaction server, the client authority authentication management server based on the block chain system and the data retrieval server based on the block chain through the data communication network. According to the invention, the system is strong in communication data management ability and monitoring ability, and capable of effectively improving monitoring ability of transaction data information and transaction client information in financial transaction activities, and portability and safety of the transaction activities.
Owner:CHENGDU YUYA TECH
Reliability evaluation method and system of microgrid inverter IGBT based on segmented lstm
PendingUS20220120807A1Reduce dependenceImprove accuracyBipolar transistor testingAc-dc conversionElectrical and Electronics engineeringSystems engineering
A reliability evaluation method and system for a microgrid inverter IGBT based on segmented long short-term memory (LSTM) is disclosed, including steps as follows. An electrothermal coupling model is constructed to obtain real-time junction temperature data. The original LSTM algorithm is improved to obtain a segmented LSTM prediction network for the aging characteristics of the IGBT. The monitoring value of the IGBT aging parameter is used to perform segmented LSTM prediction to obtain the predicted aging process, and the threshold values of different aging stages are categorized. An aging correction is performed on the aging parameter of the electrothermal coupling model to ensure the accuracy of the junction temperature data. Rainflow-counting algorithm is used to calculate real-time thermal stress load distribution of the IGBT. The fatigue damage theory and the Lesit life prediction model are combined to calculate the real-time cumulative damage and predicted life of the IGBT.
Owner:WUHAN UNIV
Intelligent on-line monitoring system for pipe gallery
InactiveCN111199626AGuaranteed uptimeComprehensive monitoring parametersMeasurement devicesFire alarm electric actuationCondition monitoringAtmospheric sciences
The invention discloses an intelligent on-line monitoring system for a pipe gallery comprising a surface temperature sensing device which comprises an infrared imager and / or an ultraviolet spectrum monitor and is used for collecting temperature field distribution information in the pipe gallery. The invention also comprises an active smoke sensing device comprises a smoke detector, a fan and an air suction system, the fan is used for increasing airflow power in the pipe gallery, the air suction system is used for sucking airflow to flow to the smoke detector, and the smoke detector senses smoke concentration information in the airflow. The invention further comprises a control system used for receiving the temperature distribution information and the smoke concentration information for data processing and sending a control signal to the surface type temperature sensing device and the active smoke sensing device;The monitoring system is especially suitable for monitoring the cable underground pipe gallery, and is also suitable for monitoring the comprehensive pipe gallery comprising cable facilities. The system is comprehensive in monitoring parameters, strong in alarm condition monitoring capability, high in sensitivity and beneficial to safe, stable and reliable operation of underground pipe gallery facilities.
Owner:北京泓业致联科技有限公司
Vehicle-mounted freightage management system and method
The invention belongs to the technical field of wireless sensor networks and trucking management and discloses a vehicle-mounted freightage management system which comprises a Zigbee node module and a mobile terminal, wherein the Zigbee node module comprises pressure sensors, a clock controller and a memory and is arranged in a truck box; the pressure sensors are arranged below a floor of the truck box; the Zigbee node module stores box floor pressure data collected by the pressure sensors at time intervals preset by the clock controller into the memory; the mobile terminal comprises a Zigbee coordination module and a local database; and the mobile terminal is communicated with the Zigbee node module through a Zigbee network, receives the pressure data in the memory of the Zigbee node module and stores into the local database. The invention further discloses a vehicle-mounted freightage management method. The system and the method construct an economical, efficient and reliable manner to effectively trace an overall dynamic process of vehicle-mounted freightage based on the existing management mode.
Owner:EAST CHINA UNIV OF SCI & TECH +1
Video monitoring device capable of rotating at all angles
InactiveCN106224722ARealize monitoringExpand the scope of monitoringStands/trestlesVideo monitoringSurveillance camera
The invention provides a video monitoring device capable of rotating at all angles. The video monitoring device comprises a base, a right support, a left support, a monitoring camera, a first motor, a connection lead screw, a first rotating shaft, a second rotating shaft, a foundation support, a second motor, a connection shaft, a reflective lens, an adjusting rod, a first pulley, a second pulley, a first sliding groove and a second sliding groove. The second motor is mounted inside the foundation support. The monitoring camera is connected to the upper end of the connection shaft. The connection lead screw is mounted inside the right support. The first rotating shaft is connected to the upper end of the connection lead screw. The lower end of the connection lead screw is mounted onto the first motor. The first motor is assembled into the base. The reflective lens is assembled onto the adjusting rod. The first pulley and the second pulley are mounted on the lower end face of the reflective lens. The first sliding groove and the second sliding groove are symmetrically mounted on the upper end face of the base. The first pulley is assembled into the first sliding groove, and the second pulley is assembled into the second sliding groove. The video monitoring device capable of rotating at all angles is novel in structure, great in monitoring capability, good in stability and high in reliability; and all-angle monitoring is achieved.
Owner:GUANGDONG HUILIPU ROAD & BRIDGE INFORMATION ENG
Buck type switching power supply converter controlled by digital sliding mode variable structure
InactiveCN103023321AStrong monitoring abilityImprove stabilityDc-dc conversionElectric variable regulationTerminal voltageVoltage reference
The invention relates to a Buck type switching power supply converter controlled by a digital sliding mode variable structure. The Buck type switching power supply converter controlled by the digital sliding mode variable structure comprises a Buck type conversion module which is provided with a control end, a voltage Vout output end, a feedback voltage Vfed output end and a digital sliding mode variable structure controller, wherein the first input end REF is connected with a reference voltage, and the second input end FED and output end OUT are respectively connected with the feedback voltage Vfed output end and control end of the conversion module. The controller converts the feedback voltages provided by the reference voltage and the conversion module into a reference clock signal and a feedback clock signal. An operational state signal of the conversion module is analyzed and tested according to the two voltage signals and two clock signals, so as to stabilize the output voltage of the Buck conversion module by the control method of the digital sliding mode variable structure. The Buck type switching power supply converter provided by the invention is strong in monitoring and management capabilities and high in conversion efficiency, and has the advantages of quick load transient response and good robustness.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
Mobile networked financial payment information management system based on block chains
The invention proposes a mobile networked financial payment information management system based on block chains. The system comprises a data communication network, a cloud information server based on block chains, a third-party online financial transaction server, a data search server based on block chains, a client online financial transaction terminal and a third-party operation and control platform. With the system, on one hand, the supervision capability over transaction data information and transaction client information in a financial transaction activity is increased; and on the other hand, based on the change in the client information, the clients can be identified and managed in different classifications so that the client information management becomes more timely and more accurate.
Owner:CHENGDU YUYA TECH
Intelligent circuit breaker controller
InactiveCN103840551AReasonable structural designStable outputCircuit arrangementsMicrocontrollerElectricity
The invention discloses an intelligent circuit breaker controller which comprises a signals acquisition module for acquiring working voltage of all circuits of a circuit breaker, electrical signals and frequency signals, a monolithic integrated circuit control module for receiving output signals of the signals acquisition module, and a power module for supplying power for all used electricity units in a system. The input end of the monolithic integrated circuit control module is connected with a key input module, the output end of the monolithic integrated circuit control module is connected with a liquid crystal display module and an execution mode, the execution mode is connected with an anti-interference module for connecting an execution module signal line and the power module into the ground through piezoresistor, the monolithic integrated circuit control module is connected with a communication module, the signals acquisition module comprises an air-core transformer and a signal conditioning circuit which is connected with the air-core transformer, the execution mode comprises an execution origin for operating a motor reclosing module, a reset circuit and a release control unit, and the reset circuit and the release control unit are respectively connected with the execution origin. The intelligent circuit breaker controller is fast and agile, strong in monitoring, and capable of conducting the remote opening and closing.
Owner:SHAANXI YATAI ELECTRIC APPLIANCE
International trade full simulation stimulant operation laboratory and its laboratory operating method
PendingCN1845204AGood specificationStrong monitoring abilityTeaching apparatusComputer scienceAnalog device
The invention relates to an international trade all-analog simulation operating laboratory and its laboratory operational method. The construction has a lab and eight analog government operating services and analog community services involving international trade are equipped in the lab, in which those analog devices have their own working range and image background, and a service platform is installed and appears in the lab as a separate 'device', in which 'V' type presentation shelf is placed on the working surface of table containing simulated file, data and standard document answers of allocation case items, and the said eight analog devices constitute a working chain for both foreign trade export and import business and construct a business program which can meet the engagements; the structure form of the lab can be divided into two: one is fixed form and the other is stream form, under a lab typical case, the learners are required to independently finish all course of a foreign trade business from beginning to end according to the theoretical knowledge and operative skill requirement with their hands under an atmosphere of all-analog international trade operation.
Owner:严大中 +2
Vacuum freeze dryer
InactiveCN109323536AEasy to operateSimple internal structureMechanical apparatusDrying solid materials without heatFrostControl system
The invention provides a vacuum freeze dryer comprising a drying and freezing box, at least two cold trap cabins, a refrigeration system, a vacuum system, an ice melting system and a control system. The refrigeration system is connected with the cold trap cabins and is used for freezing materials in the drying and freezing box; the vacuum system is used for maintaining the vacuum degree in the drying and freezing box; the ice melting system is used for melting frost frozen in the cold trap cabins; the control system is electrically connected to the ice melting system, the vacuum system and therefrigeration system and is used for controlling starting or stopping of the ice melting system, the vacuum system or the refrigeration system; in the production process, the control system controlsthe ice melting system and the refrigeration system, so that one cold trap cabin performs cold trap water catching operation, the other cold trap cabin performs low-pressure steam ice melting operation under the vacuum state, and alternative switching is carried out. The vacuum freeze dryer overcomes the defect that cold trap cabins of an existing vacuum freeze dryer need to firstly carry out coldtrap water catching and then perform low-pressure steam ice melting under the vacuum state after ending of freezing, and consequently long time is wasted.
Owner:SHANGYU GUANFENG FOOD MACHINERY
High temperature electric heating furnace for furnace body replacement and rapid material cooling
PendingCN111578710AReasonable structural designFunction increaseFurnace safety devicesMaintainance of heating chambersElectronic control systemHeating furnace
The invention relates to a high temperature electric heating furnace for furnace body replacement and rapid material cooling. The high temperature electric heating furnace for the furnace body replacement and rapid material cooling comprises an electronic control system, a heating furnace body, a vacuum atmosphere system and a water cooling system. A replaceable furnace body structure is adopted to adapt to the different protective atmosphere required for different materials, vacuum, inert gas, reducing gas, oxidizing gas, nitrogen and other protective atmospheres can be separately heated at high temperature on one equipment. A function of rapid cooling is further provided, parts can be quickly cooled under the protection of protective atmosphere, and the requirements of heat treatment process of different parts are met. The device has the advantages of compact massive structure, powerful function, high production efficiency, high heating temperature, high monitoring ability and the like, and is suitable for atmosphere sintering and heating production of various materials of different properties.
Owner:洛阳炬星窑炉有限公司
A distributed mining earthquake detection method and device
ActiveCN103941281BHigh detection sensitivityLarge dynamic rangeSeismologyMicrocontrollerEarthquake detection
Owner:CHINA UNIV OF MINING & TECH
Intelligent water faucet capable of selectively purifying water
InactiveCN107763246AMeeting water needsImprove intelligenceOperating means/releasing devices for valvesMultiple way valvesTap waterWater quality
The invention discloses an intelligent water faucet capable of selectively purifying water. A water quality measuring sensor and a flow sensor are mounted in the water faucet; a waterproof touch screen is arranged on the surface of the water faucet; a close range wireless transmitter, an MCU, a display screen, an on / off key, a flow increasing / decreasing key, a water temperature increasing / decreasing key and a filtering key are arranged on the waterproof touch screen; an inner pipe and an outer pipe are mounted at the water outlet of the water faucet; a filtering device is mounted in the innerpipe; and a valve element is mounted in the water faucet, is mounted between the inner pipe and the outer pipe and comprises a valve body and two valve blocks which can be opened. When the valve blocks are opened, the access to the outer pipe is blocked, running water enters into the inner pipe, the valve blocks are closed, the inner pipe is blocked and running water goes out of the outer pipe. The intelligent water faucet integrates the following functions: monitoring water temperature and water quality, adjusting temperature and water flow and selecting filtering or not; various informationis visually displayed; and the intelligent water faucet can be remotely controlled at small-space sites including home, office area and the like, is high in intelligent degree and monitoring performance and is safe and reliable.
Owner:上海邦芯物联网科技有限公司
Multi-time-scale reliability evaluation method of wind power IGBT considering fatigue damage and system thereof
ActiveUS20220074985A1Guaranteed accuracyReduce dependenceProgramme controlWind motor controlSCADAMonitoring data
The disclosure discloses a multi-time-scale reliability evaluation method of a wind power IGBT considering fatigue damage and a system thereof. Lifetime information of a power device is comprehensively extracted by using multiple time scales. An electro-thermal coupling model of an IGBT module is established to obtain a junction temperature data. A steady-state junction temperature database of the IGBT in different aging states is established. Based on a SCADA monitoring data, the junction temperature data is outputted in real-time through the electro-thermal coupling model and a real-time thermal stress cycle number is calculated in a short-term time-scale profile, and a wind speed probability distribution curve is obtained in a long-term time-scale profile. A maximum thermal stress cycle number that the IGBT can withstand in different aging stages is obtained in advance and a cumulative damage degree and an estimated lifetime of the IGBT of the wind power converter are calculated.
Owner:WUHAN UNIV
Information management device for sewage treatment equipment
The invention discloses an information management device for sewage treatment equipment. The information management device comprises a monitoring mechanism; four universal wheels detachably arranged at the four corners of the bottom of the monitoring mechanism correspondingly; a supporting mechanism detachably arranged on the rear side of the monitoring mechanism; and a turbidity probe and a PH value probe detachably arranged at the top of the supporting mechanism, wherein the PH value probe is located at the bottom of the turbidity probe. The monitoring mechanism comprises a control box, wherein the bottom of the control box is detachably connected with the tops of the universal wheels; a box door hinged to the right end of the front side of the control box; and a switch embedded in the top of the front side of the box door. The device is convenient to move, can monitor the turbidity and the PH value in sewage in real time, has a multi-point monitoring function, is good in monitoringeffect, can change the lowering depth of the turbidity probe and the PH value probe, guarantees the accuracy of data monitoring, and achieves the precise monitoring of sewage treatment.
Owner:浙江创韵环境科技有限公司
Monitoring device and system based on internet of things
InactiveCN109451050AImprove work flexibilityHigh degree of intelligenceClosed circuit television systemsTransmissionMicrocomputerMicrocontroller
The invention discloses a monitoring device and system based on the internet of things. The monitoring device comprises a base; electrically driven wheels are arranged at the bottom of the base; the electrically driven wheels are mute castors; a lifting mechanism is mounted at the bottom of the base; a dust collection device is mounted at the end part of the lifting mechanism; and a positioning device is mounted on the side surface of the base. According to the monitoring device and system based on the internet of things, a GPS positioner is controlled by an open source single-chip microcomputer to locate the spatial position of the base; an infrared obstacle avoidance sensor is controlled by the open source single-chip microcomputer to monitor obstacles around the base; monitoring and positioning information is transmitted to the open source single-chip microcomputer; the open source single-chip microcomputer performs analysis processing on the information, and controls the electrically driven wheels to move the base according to preset parameters; the monitoring device is high in intelligent degree, accurate in positioning and convenient to move; and the working flexibility of the monitoring device and system is greatly improved.
Owner:GUANGZHOU CITY POLYTECHNIC
Material supervision system and method for intelligent factory
ActiveCN114219400AImplement automatic trackingRealize automatic acquisitionLogisticsMultiple biometrics useVideo monitoringSmart factory
The invention relates to the technical field of material management, and discloses a material supervision system and method for an intelligent factory, and the system comprises a material performance obtaining module which is used for obtaining material information. The video monitoring module is used for obtaining monitoring information. The space construction module is used for constructing and forming a three-dimensional coordinate system. And the video analysis module is used for receiving the material information and the monitoring information. The storage detection module is used for obtaining environment space distribution. The raw material putting obtaining module is used for obtaining a material package putting time point t0, an ending time point tm and material package storage environment data. The detection data acquisition module is used for acquiring detection data in the material production process. And the production data acquisition module is used for acquiring production data. And the batch classification module is used for generating batch numbers. And the client data feedback module is used for obtaining client feedback information. And the data analysis module is used for obtaining negative data correlation. According to the method, data are automatically acquired, and negative correlation analysis is carried out.
Owner:浙江省邮电工程建设有限公司
Smart parking terminal system based on Beidou assistance
PendingCN110310508ARealize managementAchieve real-time displayTicket-issuing apparatusIndication of parksing free spacesComputer moduleParking space
The invention discloses a smart parking terminal system based on Beidou assistance. The system comprises a Beidou enhancement module and a mobile phone terminal. The Beidou enhancement module includesa Bluetooth module, a controller, a Beidou module and a Beidou receiving antenna. The Beidou module connected to the Beidou receiving antenna is used for acquiring positioning information of the Beidou navigation system; and the Beidou module and the Bluetooth module are electrically connected to the controller. The working process of the system is as follows: establishing a parking terminal system parking space database; connecting a parking terminal system to a mobile phone via Bluetooth, receiving positioning information sent by the mobile phone, carrying out integration of the Beidou, andacquiring high-precision vehicle location information; acquiring real-time location information of the vehicle by the parking terminal system and updating parking space database information; and thendisplaying real-time parking space database information by a mobile terminal display APP and feeding back the parking space information to all users. Therefore, problems of being difficult to find out a parking space and to go into a garage by a vehicle in the prior art are solved.
Owner:云海桥(北京)科技有限公司
A Layout Optimization Method for Video Surveillance in Chemical Plant Area
ActiveCN110121052BLow costStrong monitoring abilityArtificial lifeClosed circuit television systemsVideo monitoringComputer science
Owner:CHINA PETROLEUM & CHEM CORP +2
PSM digital circulation controller based on FPGA (Field Programmable Gate Array) and control method thereof
ActiveCN101931385BWidely used valueImprove performance indicatorsPulse modulationShift registerPerformance index
The invention relates to a PSM digital circulation controller, in particular to a PSM digital circulation controller based on an FPGA (Field Programmable Gate Array) and a control method thereof. The controller comprises an audio signal processing unit, a control unit and an M bit shift register, wherein the audio signal processing unit, the control unit and the M bit shift register are built from the FPGA, the audio signal processing unit equally divides audio signals according to the time and converts the audio signals into direct current superposed audio signals to be sent to the control unit, the output of the control unit is connected with the M bit shift register, and the control unit controls the M bit shift register according to a time sequence and a direct current superposed audio signal amount to send closing and opening signals of a control switch module of 1 or 0 according to sequences of closing and opening firstly as well as opening and closing firstly. The PSM digital circulation controller is realized by adopting the FPGA through a software, has high signal processing accuracy and is realized by using a software algorithm to replace hardware, thereby enhancing performance indexes of a launcher, miniaturizing a hardware system, enhancing the system reliability and being beneficial to upgrading and networking the system.
Owner:BEIJING BBEF SCI & TECH
Vacuum freezing drying machine
InactiveCN109341247AEasy to operateSimple internal structureMechanical apparatusDrying solid materials without heatFreeze-dryingProcess engineering
The invention provides a vacuum freezing drying machine. The vacuum freezing drying machine comprises a material drying freezing box body, a heating system and a refrigerating system, wherein a dryingbin is arranged at one inner side of the material drying freezing box body, and a cold trap chamber is arranged at the other inner side of the material drying freezing box body; the drying bin communicates with the cold trap chamber; an evaporating discharging pipe is arranged in the drying bin; a cold trap pipe is arranged in the cold trap chamber; the heating system is connected to the evaporating discharging pipe; the heating system is used for heating the drying bin; and the refrigerating system is connected to the cold trap pipe and is used for freezing materials in the material drying freezing box body. According to the vacuum freezing drying machine, the drying bin and the cold trap chamber are positioned in the same communicated material drying freezing box body and are operated on the same device, so that the operation is simplified; and meanwhile, the cleaning operation is performed in the same box body; the inner structure is simplified; the dead corners are decreased by being compared with those of operation through a plurality of devices; and the GMP standard is easily reached.
Owner:SHANGYU GUANFENG FOOD MACHINERY
Conductive nano composite hydrogel as well as preparation method and application thereof
PendingCN114806056AImprove hydrophilicityAvoid bad integrationNon-conductive material with dispersed conductive materialDiagnostic recording/measuringComposite hydrogelsTyrosine
The invention provides conductive nano composite hydrogel as well as a preparation method and application thereof, and belongs to the technical field of conductive polymer materials. The conductive nano composite hydrogel provided by the invention comprises a hydrogel matrix and conductive nano particles uniformly dispersed in the hydrogel matrix, the hydrogel matrix is a mixture of polyacrylic acid and poly (N-isopropylacrylamide); the conductive nano particles are tyrosine modified polypyrrole. The conductive nano-composite hydrogel provided by the invention has sensitive stress and temperature signal response capability and excellent conductivity, so that stress and temperature signals can be converted into electric signals for monitoring multiple signals.
Owner:TAIYUAN UNIV OF TECH
A material supervision system and method for a smart factory
ActiveCN114219400BImplement automatic trackingRealize automatic acquisitionLogisticsMultiple biometrics useVideo monitoringSmart factory
Owner:浙江省邮电工程建设有限公司
Traction protection device of flat plate vibrator
InactiveCN105643765ASimple structural designPrevent splashAuxillary shaping apparatusSurface layerDisplay device
The invention discloses a traction protection device of a flat plate vibrator. The traction protection device comprises a rack (1), wherein the rack (1) is provided with a protective cover device (2); four vibration induction modules (3) are distributed in a protective cover and are connected with a display device (4), and the bottom of the protective cover is provided with a double-layer board surface layer (5); a storage tank device (6) is arranged at the 2 / 3 height of a quadrilateral angle; a roller device (7) is stored in the storage tank device (6) through a folding rod; and the traction protection device is connected with a vibrator during operation and is used for carrying out monitoring and protecting operations in the operation process; the side of the protective cover device (2) is provided with a hand pushing device (8) on which relevant control buttons are arranged; the hand pushing device (8) is provided with a prompting device (9); and the rack (1) is provided with a lighting assembly (10) for providing auxiliary lighting when the ambient light is dark. The traction protection device is capable of effectively preventing cement from splashing on a machine, convenient and rapid to dismount and clean, simple in operation, strong in monitoring property and relatively high in practicability and also provides convenience for plane carrying of the machine.
Owner:ANQING HONGYU IND PROD DESIGN
Angle adjusting assembly of pelletizer
InactiveCN104932557ASuitable for night workStrong monitoring abilityControl using feedbackPressure generationRemote control
The invention relates to an angle adjusting assembly of a pelletizer. The angle adjusting assembly of the pelletizer includes a pelletizer body; the bottom of a ball disc supporting frame of the body is provided with an air pressure type telescopic adjustment device (2); the air pressure type telescopic adjustment device (2) is connected with an air pressure generation device (4) through a hollow pipeline device (3); a control module (5) is connected with a display device (6); the top of a ball disc scraper frame is provided with a monitoring device (7); the operating state of a ball disc is observed, and the inclination angle of the pelletizer is adjusted according to the size of shaped pellets of the ball disc; the air pressure type telescopic adjustment device (2) has directional diversity; the bottom of the air pressure type telescopic adjustment device (2) is provided with an angle detection module (8); and inclination and height data are transmitted to the display device (6) timely. The inclination of the ball disc is adjusted through utilizing air pressure, and force applying strength of manual adjustment can be decreased, and the operating state of the ball disc can be monitored in real time, and the size of spheres can be controlled, and the size accuracy of finished products can be improved, and remote control performance is high.
Owner:ANHUI BAOYU ELECTRONICS TECH
Method and system for online correction of junction temperatures of IGBT in photovoltaic inverter considering aging process
ActiveUS20220236756A1Improve reliability assessment accuracyStrong monitoring abilityAc-dc conversionPhotovoltaicsOptical radiationThermodynamics
The invention discloses a method and a system for correction of the junction temperatures of an IGBT module in a photovoltaic inverter. The method includes: constructing an electrothermal coupling model of an IGBT model based on a photovoltaic inverter topology, a light radiation intensity, and an ambient temperature; selecting an IGBT collector-emitter on-state voltage drop as an aging parameter and designing an on-state voltage drop sampling circuit to ensure measurement accuracy; constructing an aging database for IGBT modules in different aging stages based on large current and small current injection methods; comparing a junction temperature value output by the electrothermal coupling model with the calibrated junction temperature value and calibrating an aging process coefficient of an electrothermal coupling model correction formula; comparing an IGBT aging monitoring value with the aging threshold to determine the aging process and selecting a corresponding aging process coefficient to ensure accuracy of junction temperature data.
Owner:WUHAN UNIV
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