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32results about How to "Convenient collection and analysis" patented technology
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Opening method and system
InactiveCN104916014AConvenient collection and analysisEasy to useApparatus for meter-controlled dispensingIndividual entry/exit registersData processingComputer hardware
The invention provides an opening method and system. An identification code of an opening terminal is read by a client, information corresponding to the identification code is transmitted to a server by the client, the server receives the information corresponding to the identification code and carries out client identity authentication, if the identity authentication is successful, an opening command is generated and is transmitted to the opening terminal, the opening terminal receives the opening command and is opened under control of the opening command. The opening terminal has the unified identification code, the identification code of the opening terminal is acquired by the client and is transmitted to the server, and the server is used for client identity authentication and produces and transmits the opening command to the opening terminal. The opening system has a simple structure and a low cost and is convenient for data processing.
Owner:XIAMEN CHENGLI ELECTROMECHANICAL EQUIP
MPLS network control system and method based on SDN
ActiveCN104486218AConvenient collection and analysisEasy to optimizeData switching networksTraffic capacityControl system
The invention discloses an MPLS (Multi-protocol Label Switching) network control system and an MPLS network control method based on SDN (Software Defined Network). The MPLS network control system based on SDN comprises an SDN controller, wherein the SDN controller is used for issuing an IP forwarding table, a label forwarding table and a flow table to a switch; the flow table comprises an IP message for matching according to the targeted IP and a message with the label matching according to the label; the switch comprises a boundary switch router and a label switch router; the boundary switch router is used for receiving the IP forwarding table, the label forwarding table and the flow table, and processing the received messages according to the flow table; the label switch router is used for receiving the label forwarding table and the flow table, and processing the received messages according to the flow table. The technical scheme disclosed by the invention can fully utilize the link resources in the whole network to achieve a better network flow optimization effect.
Owner:北京九云无限网络科技有限公司
Odor-based portable insect pest information detecting system
InactiveCN101694473AConvenient collection and analysisCapable of repeatable developmentMaterial analysis by electric/magnetic meansFresh airSensor array
The invention discloses an odor-based portable insect pest information detecting system which comprises an insect and plant mixed odor acquiring and controlling system, a signal conditioning unit, a data acquisition card and a computer, wherein the mixed odor acquiring and controlling system is connected with the data acquisition card through the signal conditioning unit; and the data acquisition card is respectively electrically connected with the computer and a first electromagnetic valve, a second electromagnetic valve and a gas pump in the insect and plant mixed odor acquiring and controlling system. When the system works, the computer opens the gas pump to pump the insect and plant mixed odor into a sensor reaction chamber, after a gas-sensitive sensor array converts the odor into an electrical signal, the data acquisition card transmits the electrical signal to the computer to analyze, process and judge the insect pest condition, and after the acquisition time, fresh air is introduced to remove odor molecules adsorbed on the gas-sensitive sensor array so as to be convenient for acquisition next time. The invention can discover the insect pest condition of plants in time and can acquire and analyze odors of different insects by changing the sensors in the gas-sensitive sensor array.
Owner:ZHEJIANG UNIV
Ultrasonic fatigue testing method of cylindrical sample with uniform cross sections
InactiveCN106053608AHigh test frequencyAccelerated fatigue testAnalysing solids using sonic/ultrasonic/infrasonic wavesSample TypeControl software
The invention discloses an ultrasonic fatigue testing method of a cylindrical sample with uniform cross sections. The method comprises the following steps: (1) determining the size of a cylindrical sample with uniform cross sections; (2) processing a material into a cylindrical sample with uniform cross sections; (3) fixing the cylindrical sample in a displacement amplifier of an ultrasonic fatigue testing machine; (4) starting ultrasonic fatigue system control software, picking the sample type as a transition arc containing cylindrical sample, and determining the size of the transition arc containing cylindrical sample; (5) determining the stress amplitude ([sigma]<max>) that is loaded on the cylindrical sample, and calculating the stress amplitude ([sigma]<0><max>) that is loaded on the transition arc containing cylindrical sample under a same displacement amplitude; (6) inputting the stress amplitude ([sigma]<0><max>) into the ultrasonic fatigue system control software, setting other test parameters, and starting an ultrasonic fatigue test until the sample is broken down. The ultrasonic fatigue test control of a cylindrical sample with uniform cross sections is indirectly realized through the ultrasonic fatigue test control of a transition arc containing cylindrical sample.
Owner:武汉钢铁有限公司
Wafer positioning calibration device and wafer positioning calibration method
ActiveCN111430289ASimple structureReduce energy consumptionFinal product manufactureSemiconductor/solid-state device manufacturingWaferReference image
The invention discloses a wafer positioning calibration device and a wafer positioning calibration method, the wafer positioning calibration device comprises a bearing table, an image acquisition device, a wafer conveying device and a control device, and the image acquisition device is used for acquiring an actual position image of a wafer on the bearing table; the control device is connected withthe image acquisition device and the wafer conveying device; a reference image of the wafer at the first reference position is stored in the control device; and the control device acquires the actualposition image acquired by the image acquisition device, compares and analyzes the actual position image and the reference image to acquire deviation data of the actual position and the reference image, and adjusts the mechanical arm according to the deviation data to enable the wafer to fall at the second reference position. According to the embodiment of the invention, the wafer positioning calibration device has the advantages of simple structure, good stability, low energy consumption, high speed, accuracy, systematic data management and the like.
Owner:SHANGHAI GUONA SEMICON TECH CO LTD
Apparatus for measuring PCT curve of material by using solid state proton conductor, and method thereof
ActiveCN103822962AEasy to collect and analyzeSimple and fast operationMaterial electrochemical variablesElectrical conductorHydrogen pressure
The invention belongs to the technical field of physical and chemical test, and concretely relates to an apparatus for measuring the PCT curve of a material by using a solid state proton conductor, and a method thereof. The apparatus for measuring the PCT curve of a material by using a solid state proton conductor comprises a solid state proton conductor container, a DC source, a voltmeter, a transfer switch and an electric resistance furnace; when the material is measured, a DC voltage is applied to two electrodes of a proton conductor to measure the change curve of the current intensity of a circuit with the time, hydrogen in atmosphere electro-migrates to a material to be measured and capable of adsorbing hydrogen, and the hydrogen voltage can be calculated by measuring the electromotive force of a hydrogen concentration cell according to the principle of a conductor hydrogen concentration cell; and the content of hydrogen in the material can be calculated by measuring the change curve of the current according to a principle of charge conservation. The apparatus and the method enables the hydrogen pressure and the hydrogen content which are difficult to measure to be directly converted into electric signals, so it is easy to acquire and analyze data, thereby the apparatus and the method have the advantages of fast measurement, low cost and reliable data.
Owner:NORTHEASTERN UNIV
Ultrasound online measurement device for wearing capacity
ActiveCN104729436ANon-destructiveStable signalUsing subsonic/sonic/ultrasonic vibration meansAcoustic wave reradiationNon destructiveMeasurement device
The invention discloses an ultrasound online measurement device for wearing capacity. The ultrasound online measurement device for the wearing capacity comprises a friction pair upper test piece, a friction pair lower test piece, an ultrasonic probe, an impulse transmission receiver, a digital oscilloscope and a computer; the friction pair upper test piece is located on the friction pair lower test piece, the ultrasonic probe is located on the bottom of the friction pair lower test piece and is connected with the impulse transmission receiver through a guide line, and the impulse transmission receiver is sequentially connected with the digital oscilloscope and the computer through the guide line; the impulse transmission receiver sends an electrical impulse to the ultrasonic probe to stimulate the generation of an ultrasonic wave, meanwhile, the ultrasonic probe sends back the received ultrasonic wave to the impulse transmission receiver, the ultrasonic wave is sampled and digitalized by the digital oscilloscope, and then self control and data storage in the sampling process are achieved through the computer to calculate the wearing capacity of a friction pair. The ultrasound online measurement device for the wearing capacity has the advantages that the device is non-destructive, the signal is stable, and sampling and the analysis are easy; the structure is simple, the operation is convenient, the effect is good, and the device has wide practicability.
Owner:CHINA UNIV OF MINING & TECH
Chemical process risk dynamic analysis method based on Bayes and accident tree
PendingCN111611751AConvenient collection and analysisSolve the problem that the risk probability cannot be updated dynamicallyDesign optimisation/simulationResourcesFailure rateData mining
The invention discloses a Bayesian dynamic analysis method established based on the Bayesian theory, which belongs to the field of safety system risk analysis and is suitable for dynamically updatingthe failure rate of a safety system and the risk of variables in real time. The method comprises the steps of 1) establishing a Bayesian correction model in combination with accumulated data and the Bayesian theory; 2) analyzing a result event probability according to variable probability posteriori distribution and variable probability sensitivity distribution; and 3) for the key variable with arelatively high probability of triggering the HH / LL alarm by the H / L alarm, enabling an engineer to improve a control link of the key variable and provide a reference for an operator of a factory. According to the invention, small accidents such as high-low alarm are used as result events, and are easier to collect, analyze and apply in practice; the dynamic analysis of the event is analyzed in combination with an event tree model to obtain an updated probability value of a result event; and the problem that a traditional analysis method cannot dynamically update the risk probability is solved.
Owner:NANJING TECH UNIV
Solid-phase extraction device
ActiveCN104771935AImprove filtering effectConvenient collection and analysisSolid sorbent liquid separationFiltrationEngineering
The invention relates to a solid-phase extraction device. The solid-phase extraction device comprises a sampling pump, a pressure meter, a flow meter and a vertically arranged solid-phase extraction unit which are connected with one another in series, wherein the solid-phase extraction unit comprises a lower external adapter, an upper external adapter, a connector and two filtration tanks; the top of the lower external adapter is fixedly connected with the bottom of a first filtration tank; the top of the first filtration tank is detachably connected with the bottom of the connector; the top of the connector is detachably connected with the bottom of a second filtration tank; the top of the second filtration tank is fixedly connected with the bottom of the upper external adapter; the bottom of the lower external adapter and the top of the upper external adapter penetrate through a flow guide pipe; the first filtration tank, the second filtration tank and the connector are internally connected with one another; annular limiting slots are formed in the periphery of the inner wall of the connector; a non-return pressing sheet, a solid-phase extraction film and a support screen plate are arranged in sequence from top to bottom of each limiting slot. The solid-phase extraction device is easy to operate and convenient to transport, and is capable of preprocessing water samples on sampling sites.
Owner:BEIJING POLYTECH INSTR
Multi-axis servo matching method and device for AC type double-swing-head five-axis linkage machine tool
ActiveCN112872435AReduce complexityEasy to operateMilling machinesMilling equipment detailsControl engineeringMatching methods
The invention relates to a multi-axis servo matching method and device for an AC type double-swing-head five-axis linkage machine tool. The method comprises the following steps: planning a space trajectory in which multiple axes participate in motion at the same time in an RTCP function opening state; selecting a certain single axis from the plurality of single axes in the low dynamic response state as a matching object; combining the other single axes in the low dynamic response state and the matching object into matching combinations, wherein for each matching combination, roundness test servo matching means that servo system parameters of the matching object are kept unchanged; changing servo system parameters of the other single axis in the matching combination, carrying out operation according to a set circular track, and determining servo system parameters of the other single axis by combining an optimization algorithm with evaluation indexes; and operating the parameters in the space trajectory, judging whether the requirements are met or not through a second dynamic precision evaluation index, if the requirements are not met, continuing to carry out roundness test servo matching, and if the requirements are met, stopping matching. The machining precision of the system is improved by matching each single axis parameter.
Owner:TSINGHUA UNIV
A device and method for measuring the pct curve of a material with a solid proton conductor
ActiveCN103822962BConvenient collection and analysisSimple and fast operationMaterial electrochemical variablesElectrical conductorHydrogen pressure
Owner:NORTHEASTERN UNIV LIAONING
Music selection system recommended according to noise adaptability
InactiveCN111059430ASave spaceEasy to openSubsonic/sonic/ultrasonic wave measurementStands/trestlesNoiseEngineering
The invention provides a music selection system recommended according to noise adaptability. The system comprises a body, a display screen and test elements. A connecting shaft is mounted on the top side of the main body; the side of the connecting shaft is connected with a movable groove; a sliding block is arranged in the movable groove; a clamping groove is connected to the side of the slidingblock; the sliding block is in welded connection with the clamping groove; a lifting rod penetrates through the interior of the clamping groove; a clamping rod is arranged at the bottom of the liftingrod, the display screen is installed at the end of the clamping rod, a rotating shaft is installed at the top of the main body, a control panel is arranged on the side of the rotating shaft, a stop rod is connected to the side of the control panel, a first spring is arranged at the end of the stop rod, and a sliding groove is formed in the main body. According to the music selection system recommended according to the noise adaptability, external noise can be efficiently recognized and analyzed, song lists can be flexibly, intelligently and automatically switched to enable people to be relaxed, and the equipment can be conveniently disassembled, assembled, overhauled and used.
Owner:TANGSHAN NORMAL UNIV
Machining production line for long axis parts
InactiveCN113927308AConvenient collection and analysisRealize full inspection of outer diameterOther manufacturing equipments/toolsMetal working apparatusProduction lineProcess engineering
The invention discloses a machining production line for long axis parts, and relates to the technical field of pipe part machining devices. The machining production line comprises a feeding and discharging robot, a special double-face milling machine, a CNC lathe, a scrap removing and detecting device and a finished product conveying line, wherein the special double-face milling machine comprises a double-face milling station and is used for machining raw materials into semi-finished products; the CNC lathe comprises a lathe station and is used for machining the semi-finished products into finished products; the scrap removing and detecting device comprises a scrap removing component and a detecting component; the finished product conveying line comprises a conveying station used for conveying qualified products; the feeding and discharging robot comprises an end effector used for picking up the long axis parts; and the end effector sequentially transfers the long axis parts from the special double-face milling machine, the CNC lathe, the scrap removing and detecting device and the finished product conveying line. The machining production line for the long axis parts can adapt to cutting errors of the long axis parts, production is stable and reliable, full inspection of the outer diameter of each product is achieved, real-time adjustment is conducted according to the equipment production condition, and the product percent of pass is effectively increased.
Owner:广东友博智能装备有限公司
Liquid food quality fingerprint-based identifier
The invention discloses a liquid food quality fingerprint-based identifier. A computer is connected with a signal generation and acquisition controller; a first analog output end of the signal generation and acquisition controller is connected with a constant potential unit; the analog input end of the signal generation and acquisition controller is connected with a current-voltage conversion circuit; the INT end of an analog switch is connected with a second analog output end of the signal generation and acquisition controller; the EA end of the analog switch is connected with the digital output end of the signal generation and acquisition controller; the current-voltage conversion circuit is connected with the analog switch connected with a working electrode conversion device which is connected with a working electrode of a fingerprint collector; and a reference electrode of the fingerprint collector and an auxiliary electrode are connected with the constant potential unit respectively. The identifier has the advantages that: the circuit is simple in manufacturing and stable; the operation is simple and quick; and total liquid food information can be acquired effectively.
Owner:ZHEJIANG UNIV
Intelligent pest control device suitable for different saplings
InactiveCN113287593AAvoid damageIncrease wasteInsect catchers and killersAgricultural scienceTree trunk
The invention relates to the technical field of artificial intelligence pest control, and discloses an intelligent pest control device suitable for different saplings. The intelligent pest control device comprises a trunk, wherein a shell is movably connected to the outer side of the trunk, an adjusting mechanism is movably mounted in the shell, an inducing mechanism is movably mounted in the shell, and the adjusting mechanism comprises a rotating wheel, a first connecting shaft, a first piston and a first connecting rod. According to the intelligent pest control device suitable for different saplings, a clamping block is slidably connected to the interior of a first shell, so that wind energy can be effectively utilized, effective fixation can be achieved through a clamping piece, meanwhile, the situation that trees are damaged by using iron wires and the like is avoided, automatic spraying can be conducted in the pest high-incidence period, the auxiliary effect on pest control is achieved, the equipment practicability is improved, the detection efficiency is improved, diseases can be timely and accurately found and treated, and in the treatment process, the concentration of pesticide liquid is automatically adjusted and the pesticide liquid is automatically sprayed to insect damage points.
Owner:广州萌迪智能设备有限公司
An Ultrasonic On-Line Measuring Device for Abrasion Amount
ActiveCN104729436BNon-destructiveStable signalUsing subsonic/sonic/ultrasonic vibration meansAcoustic wave reradiationNon destructiveMeasurement device
The invention discloses an ultrasound online measurement device for wearing capacity. The ultrasound online measurement device for the wearing capacity comprises a friction pair upper test piece, a friction pair lower test piece, an ultrasonic probe, an impulse transmission receiver, a digital oscilloscope and a computer; the friction pair upper test piece is located on the friction pair lower test piece, the ultrasonic probe is located on the bottom of the friction pair lower test piece and is connected with the impulse transmission receiver through a guide line, and the impulse transmission receiver is sequentially connected with the digital oscilloscope and the computer through the guide line; the impulse transmission receiver sends an electrical impulse to the ultrasonic probe to stimulate the generation of an ultrasonic wave, meanwhile, the ultrasonic probe sends back the received ultrasonic wave to the impulse transmission receiver, the ultrasonic wave is sampled and digitalized by the digital oscilloscope, and then self control and data storage in the sampling process are achieved through the computer to calculate the wearing capacity of a friction pair. The ultrasound online measurement device for the wearing capacity has the advantages that the device is non-destructive, the signal is stable, and sampling and the analysis are easy; the structure is simple, the operation is convenient, the effect is good, and the device has wide practicability.
Owner:CHINA UNIV OF MINING & TECH
Portable electric nose system based on USB interface
InactiveCN101042408BConvenient collection and analysisCapable of repeatable developmentMaterial analysis by electric/magnetic meansTesting foodSensor arrayGas detector
This invention discloses one portable electron nose system based on USB interface, whose smell test and data collection system comprises gas sensitive sensor array with gas input end connected to two electrical valve through three-way tube and two electromagnetic valve; wherein, its signal output end is connected to the data collection card through signal adjust; the data collection card output end is connected to computer through USB interface; gas control system comprises data collection card with output end connected to gas pump of switch circuit; in work, the computer opens gas pump by data collection card according to program firstly to switch gas path to smell collection status to convert the smell into electrical signals by data collection card to computer for process; the collection time is to switch gas path to clear status to delete the smell molecule for next collection.
Owner:ZHEJIANG UNIV
A kind of mpls network control system and method based on sdn
ActiveCN104486218BConvenient collection and analysisEasy to optimizeData switching networksTraffic capacityNetwork link
An SDN-based MPLS network control system and method. The SDN-based MPLS network control system includes: SDN controller, which is used to deliver IP forwarding table, label forwarding table and flow table to the switch. The flow table includes matching IP packets according to the destination IP and matching labeled packets according to the label. ;The switch includes a border switching router and a label switching router; the border switching router is used to receive the IP forwarding table, label forwarding table and flow table, and process the received message according to the flow table; the label switching router is used to receive the label forwarding table And the flow table, and process the received message according to the flow table. The technical scheme of the invention can make full use of the link resources of the whole network to achieve better network flow optimization.
Owner:北京九云无限网络科技有限公司
Fire-fighting gun barrel positioning system
The invention discloses a fire-fighting gun barrel positioning system. The fire-fighting gun barrel positioning system comprises a gun barrel assembly, a gun platform, a water supply valve, four universal wheels, a camera, a sensor, four first motors and a control module, the gun barrel assembly is mounted on the gun platform, the water supply valves are mounted on the gun barrel assembly, the four universal wheels and the four first motors are mounted at the four corners of the gun platform respectively, the first motors are installed on the universal wheels and used for driving the universalwheels to move so as to drive the whole system to move, the camera is installed above the gun barrel and used for collecting images within the field coverage range, the sensor is used for convertingoptical signals collected by the camera into digital image signals and sending the digital image signals to the control module, and the control module is in control connection with the gun barrel assembly, the water supply valve and the universal wheels. According to the fire-fighting gun barrel positioning system, a gun head and a gun tube are installed in a slipknot mode, rotation of the gun head is facilitated, in order to avoid excessive rotation of the gun head, a rotating motor and a pitching motor are installed, and the gun head adjusting accuracy is improved.
Owner:江苏深渡消防装备科技有限公司
Convenient particle comburent collecting device
InactiveCN112915680AEasy to sort and filterConvenient collection and analysisDispersed particle filtrationTransportation and packagingParticulatesFiltration
The invention belongs to the field of gas treatment, and particularly discloses a convenient particle comburent collecting device which comprises a particle collecting assembly, a connecting cover, a guide cylinder, a sucking pump and a gas collecting bag. The outer end of the connecting cover is connected with a drainage tube of an L-shaped structure, and the tail end of the drainage tube is connected with a drainage cover of a conical structure. The outer end of the guide cylinder is connected with the input end of the sucking pump through a connecting pipe, the output end of the sucking pump is communicated with the gas collecting bag, an exhaust pipe is connected between the gas collecting bag and the drainage cover, and a one-way airflow control valve is installed on the exhaust pipe. The device is small in size, simple in structure and high in operability; solid particles can be conveniently classified and screened by utilizing interception of the filter membranes with different pore diameters; by arranging the combined particle collecting assembly, the number of filter membranes with different pore diameters can be freely adjusted, so that the screening precision is adjusted; the gas collecting bag is arranged to collect filtered gas, circulating filtration can be carried out, recycling analysis can also be carried out, and operation is convenient; and collection and analysis of the solid particles after combustion are greatly facilitated.
Owner:SHANGHAI MARITIME UNIVERSITY
Smart card based on Internet of Things and use method thereof
PendingCN113537433AEasy to useReduce volumeEpidemiological alert systemsRecord carriers used with machinesPersonalizationWireless data
The invention provides a smart card based on Internet of Things and a use method thereof. The smart card based on the Internet of Things comprises a shell, and further comprises one or more identification modules used for wireless data communication; at least one data acquisition module; a communication module accessed to an Internet of Things platform to store and call data; and a communication module configured to transmit the user information acquired / written by the identification module and the data acquisition module to an Internet of Things platform for storage / calling, wherein the user information comprises public information written by the identification module and personalized information acquired by the data acquisition module. The smart card based on the Internet of Things solves the problems that in the prior art, identification cards such as chest cards are single in function and performance content, and data intercommunication cannot be carried out.
Owner:SUZHOU HAOCHUANG INFORMATION TECH
Power battery information monitoring method and device and electric vehicle
PendingCN113561836AConvenient collection and analysisAnticipate safety risks in advanceCharging stationsVehicular energy storagePower batteryElectrical battery
The invention provides a power battery information monitoring method and device and an electric vehicle, and relates to the technical field of electric vehicles, and the power battery information monitoring method comprises the steps of obtaining the working mode of a target power battery; the working mode comprises a driving mode, a battery swap station charging mode or a battery swap station monitoring mode; and according to the working mode of the target power battery, sending battery information to a battery replacement controller or a battery replacement station charger. According to the method, different monitoring modes are provided for the power batteries in different working modes, the safety risk of the battery swap station can be prejudged in advance, the risk of replacing a faulty battery is reduced, and the battery replacing time is shortened.
Owner:BEIJING ELECTRIC VEHICLE
Data acquisition and processing system for computer software development
PendingCN110084475AImprove work efficiencyImprove efficiencyMultimedia data queryingCharacter and pattern recognitionClient-sideData processing
The invention belongs to the technical field of software development, and particularly relates to a data acquisition and processing system for computer software development, which comprises a client,a database and a terminal. The client is used for transmitting data with the database and the terminal and retrieving the business evaluation report of the business hall by a user. The database comprises a first data processing module, a second data processing module, a business evaluation module and a comprehensive evaluation module. Tthe service evaluation module, the first data processing module and the second data processing module are used cooperatively. The client is utilized to retrieve the service evaluation result. Business handling efficiency of the user is improved. The comprehensive evaluation module is used for recording the business capabilities of the workers, sorting the business capabilities of the workers and recording the retrieval records of the client side and the information of the comprehensive evaluation module through the terminal, so that overall business handling efficiency of an evaluation office is improved, and the working efficiency of the data processingsystem is improved.
Owner:合肥安知信息科技有限公司
A solid phase extraction device
ActiveCN104771935BImprove filtering effectConvenient collection and analysisSolid sorbent liquid separationFiltrationEngineering
The invention relates to a solid-phase extraction device. The solid-phase extraction device comprises a sampling pump, a pressure meter, a flow meter and a vertically arranged solid-phase extraction unit which are connected with one another in series, wherein the solid-phase extraction unit comprises a lower external adapter, an upper external adapter, a connector and two filtration tanks; the top of the lower external adapter is fixedly connected with the bottom of a first filtration tank; the top of the first filtration tank is detachably connected with the bottom of the connector; the top of the connector is detachably connected with the bottom of a second filtration tank; the top of the second filtration tank is fixedly connected with the bottom of the upper external adapter; the bottom of the lower external adapter and the top of the upper external adapter penetrate through a flow guide pipe; the first filtration tank, the second filtration tank and the connector are internally connected with one another; annular limiting slots are formed in the periphery of the inner wall of the connector; a non-return pressing sheet, a solid-phase extraction film and a support screen plate are arranged in sequence from top to bottom of each limiting slot. The solid-phase extraction device is easy to operate and convenient to transport, and is capable of preprocessing water samples on sampling sites.
Owner:BEIJING POLYTECH INSTR
Intelligent Internet of Things gateway
PendingCN114115097AConvenient collection and analysis and cloud platform constructionSimple structureProgramme control in sequence/logic controllersTelecommunicationsComputer security
The invention relates to an intelligent Internet of Things gateway which effectively solves the problem that only one server can access a PLC at the same time in the prior art. According to the technical scheme, a gateway is connected with a plurality of servers, the gateway is further connected with a control cabinet, the gateway has a routing function and a gateway function, the routing function supports a plurality of protocols, the gateway function supports a modbus protocol, an mqtt protocol and a socket protocol, and the gateway function supports video transmission. The system is simple in structure, can effectively improve the efficiency of accessing the PLC by the server, can effectively guarantee the stable control of the control cabinet, and is high in practicability.
Owner:河南慧水科技有限公司
Anchor rod anchoring force monitoring and analyzing system and method based on mechanochromism
ActiveCN114060075AJudgment deformationJudgment distortionApparatus for force/torque/work measurementAnchoring boltsSystem integrationCollection analysis
The invention discloses an anchor rod anchoring force monitoring and analyzing system and method based on mechanochromism. The system comprises annular films made of organic mechanochromism materials, the three annular films are coaxially attached to a surface of the spherical crown-shaped part of a tray; the acquisition and analysis terminal comprises a shell, a detection light emitting module, a color acquisition module, an analysis and processing module and a display module, and the detection light emitting module, the color acquisition module and the analysis and processing module are all mounted in the internal space of the shell. The method comprises steps that three circles of annular thin films are coaxially attached to the spherical crown-shaped part of each tray, and then engineering field application is carried out; the handheld acquisition and analysis terminal is aligned with the annular thin film to collect color signals; the analysis processing module processes the data and displays the data through the display module, and carries out system integration analysis. According to the system and the method, a bearing state of each anchor rod can be effectively and accurately monitored, and anchor rod supporting efficiency and the roadway surrounding rock deformation control condition can be comprehensively known and recognized.
Owner:CHINA UNIV OF MINING & TECH
A method for removing bitter substances from peony seed oil
ActiveCN105176675BEasy to separateConvenient collection and analysisFatty-oils/fats refiningResidual oilChemistry
The invention relates to a method for removing bitter substance from peony seed oil by adopting a supercritical CO2 extraction technology. The method comprises the specific steps that (a) peony seed oil is pumped into an extraction kettle first, then CO2 is pumped into the extraction kettle, the pressure in the extraction kettle is regulated to be 15-25 MPa, and then standing is performed at the 25-30 DEG C temperature for half an hour; (b) after standing, the pressure is reduced to be 12-18 MPa, continuous CO2 pumping is performed, the extraction process is performed under 12-18 MPa extraction pressure and at the 25-30 DEG C temperature, and oil is collected; (c), the operation is repeated for 5-6 times, and continuous extraction is performed to collect and extract residual oil in the kettle. The method has the advantages that the supercritical CO2 extraction technology is utilized to remove the residual bitter substance in the peony seed oil, the traditional high-temperature operation problem is avoided first according to the method, and no pollutant is left in a product; in addition, the method facilitates separation between the peony seed oil and residual oil and collection and analysis of the residual oil.
Owner:TSINGDAO BIOFORCE AID TECH
Metal abrasion loss measurement method and implementation device
InactiveCN109916286ASolving the Difficult Problem of Wear MeasurementNon-destructiveUsing electrical meansVoltmeterDisplay device
The invention discloses a metal abrasion loss measurement method and an implementation device, and relates to the online monitoring technology of metal abrasion loss, and solves the problem of abrasion online monitoring of some key components in existing engineering mechanical equipment. The technical scheme is that: after a worker zeros the device, the device is slightly pressed downwards at a measurement position with two hands until all probes make contact with the surface of meta, each branch is externally connected with a voltmeter, the voltage of each branch is measured by the corresponding voltmeter, the measured data are uploaded to a processor, and the processor processes the data and then displays the image on a display, wherein the processor converts each voltage into a length unit, the value measured at the metal surface can be set to zero, the value measured in the abrasion groove can be set to a negative value, and the difference between the two values is the depth of metal abrasion. The metal abrasion can be detected in a simple and practical manner, the detection precision is high, and the application range is wide.
Owner:张宝霞
Virtual power plant high-efficiency scheduling system
InactiveCN112467800AEasy to collect and analyzeAvoid wastingSingle network parallel feeding arrangementsAc network load balancingAnalysis dataPower usage
The invention discloses a virtual power plant high-efficiency scheduling system, which comprises a regulation and control terminal, an energy storage device, a generator set, a data collection and analysis device, a communication base station and a power grid, and is characterized in that the data collection and analysis device is connected with the power grid and is used for collecting and analyzing data; and through the communication base station, the dispatching method obtained after data collection and analysis is transmitted to the regulation and control terminal, the regulation and control terminal issues an instruction to the generator set to enable the generator set to work and guide the generator set to distribute power for a power grid, and the energy storage device is connectedwith the generator set to store excessive electric energy or assist the generator set in supplying power to the power grid. By arranging the real-time monitoring device and the analysis device, the power utilization condition of the power grid can be conveniently and uniformly collected and analyzed in time, so that the resource allocation of the power grid is regulated and controlled in time according to the actual condition, a certain degree of energy waste caused by excessive electric energy is avoided, and the energy is effectively saved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
A continuous flow serpentine microchannel concentrating photothermal coupled catalytic hydrogen production reaction device
ActiveCN110697654BEasy to operateImprove economyChemical industryHydrogen productionPtru catalystCirculator pump
The invention discloses a continuous flow serpentine micro-channel condensation photo-thermal coupling catalytic hydrogen production reaction device, which mainly comprises a micro serpentine flow channel reaction module, a flow meter, a heater, a gas purging device, a circulating pump, a heat exchanger and the like. A purpose of the invention is to provide an effective and sustainable micro-reaction device for a novel photo-thermal coupling catalytic hydrogen production catalyst. According to the invention, the implementation process of the device mainly comprises: removing the oxygen in thereaction liquid by using the inert gas before the reaction through the temperature of the thermocouple reaction liquid, opening the circulating pump, feeding the fluid into the serpentine flow channelreaction device, achieving the photo-thermal catalytic hydrogen production process in the micro-flow channel under the condensation irradiation of a xenon lamp and other simulation light sources, making the generated gas enter the part above the liquid in the liquid storage bottle under the driving of the fluid pressure, collecting the gas, and analyzing the gas, wherein the flow in the pipelineand the temperature of the fluid are precisely controlled by the flow meter and the heat exchanger; and with the device, the continuous hydrogen production under the photo-thermal coupling condition is achieved by connecting the devices in series, the operation is convenient, the energy is saved, and the environment is protected.
Owner:XI AN JIAOTONG UNIV
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