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50results about How to "Judging validity" patented technology

Electromobile charging management device with billing function and application thereof

The invention relates to an electromobile charging management device with a billing function and application thereof. The device comprises an embedded controller, a printer, a card reader, a display, a touch screen, a power supply module, audio equipment, a power supply control module and a metering module, wherein the power supply control module is connected with the embedded controller through a CAN (Controller Area Network) interface, and the metering module is connected with the power supply control module through a 485 bus so as to transmit electric quantity to the power supply control module. Compared with the prior art, the invention has the advantages of realizing user identity identification, judging the validity of a card, metering charged electric energy, and billing and charging according to charging time interval and peak / valley electrovalence, is capable of identifying the power supply type (alternating current or direct current) through the power supply control system information acquired from the internal CAN, has friendly operation interface, and provides a user with operation platforms for charging mode setting, charging information query, charging bill printing and others operations.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +3

Method and device for removing fluorine and arsenate in water simultaneously on basis of hydrocalumite

PendingCN107973362AReduce inflowThe rate of flow into the filter element is reducedWater treatment parameter controlWater contaminantsPeristaltic pumpWater storage tank
The invention discloses a method and a device for removing fluorine and arsenate in water simultaneously on the basis of hydrocalumite, aims to solve the problem that fluorine and arsenate of different contents in water cannot be effectively removed simultaneously by using a conventional water treatment method, and aims to achieve efficient removal of fluorine and arsenate in polluted natural water bodies / crude inferior water and industrial wastewater. The device comprises a to-be-treated water inlet, a peristaltic pump, a filter element, a water storage tank and a water quality detection device. According to the device, fluorine and arsenate in water to be treated can be effectively removed by using hydrocalumite in the filter element, the transfusion velocity of water to be treated, thesize of the filter element and the ratio of filling materials can be adjusted according to the quantity of the water to be treated and the contents of fluorine and arsenate, meanwhile the quality of treated water is monitored, the effectiveness of the filter element is judged, and the filter element can be replaced according to demands; used filter element filling materials can be roasted at certain given temperatures to recover the water treatment capability of the filter element, and then recycling and reuse of the filtering materials can be achieved; in addition, the device is simple in structure, simple and convenient in water treatment operation process and low in cost.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Simple sound-direction quick-recognition device

A simple sound-direction quick-recognition device comprises a sound collection module. Output of the sound collection module is connected with input of a signal conditioning module, output of the signal conditioning module is connected with input of a main control CPU, and output of the main control CPU is connected with a liquid crystal display module and an acousto-optic hint module. The main control CPU is further connected with a keyboard module. A power supply module supplies power for the sound collection module, the signal conditioning module, the main control CPU, the liquid crystal display module, the acousto-optic hint module and the keyboard module respectively. Signals passing through the sound collection module enter the signal conditioning module, and are converted after being subjected to amplification and filtering, the converted result is sent to the main control CPU to be detected, and if the signals are detected, calculation is conducted, the calculated result is sent to the liquid crystal display module to be displayed and is sent to the acousto-optic hint module to conduct sound hint and LED lamplight hint at the same time. The simple sound-direction quick-recognition device is high in practicability, low in cost, high in reliability and accuracy, simple in operation and high in expandability.
Owner:XIJING UNIV

Community detection method based on block chain social platform

The invention discloses a community detection method based on a block chain social platform, and the method comprises the following steps: 1, obtaining all user addresses and account transfer information of the user addresses on the block chain social platform, and building an account transfer relation digraph according to the account transfer relation among the user addresses; 2, finding out abnormal points and/or abnormal paths appearing in the transfer relation directed graph, and confirming abnormal user information with abnormal transfer behaviors according to the found abnormal points and/or abnormal paths; 3, acquiring operation information of all users on the block chain social platform; 4, performing clustering analysis on the acquired operation information according to the time dimension, and searching for outlier user information which is greatly different from the normal behavior mode; and 5, aggregating the abnormal user information and the outlier user information in a weighted summation manner to obtain non-real user information and/or user information with low activeness. The abnormal behavior of the user is effectively and reasonably detected so as to judge the authenticity and effectiveness of the user.
Owner:上海七印信息科技有限公司

Steel-structured multi-layer protective monitoring and emergency guaranteeing system and method in splashing region

ActiveCN104313598AMonitor water ingressJudging validityElectricityPower flow
The invention discloses a multi-layer protective monitoring and emergency guaranteeing system for a steel structure in a splashing region. The system comprises a vaseline corrosion-resistant inner layer and a glass reinforced plastic outer protecting armor layer, and further comprises a spiral striped sacrificial anode and testing equipment; the sacrificial anode winds the outer side of the vaseline corrosion-resistant inner layer, the outer side of the sacrificial anode hermetically encompasses the outer protecting armor layer, and the two ends of the sacrificial anode are connected with a conducting wire and lead the conducting wire out of the glass reinforced plastic outer protecting armor layer, and are respectively and electrically connected with a steel structure main body; the testing equipment is used for testing the on / off state of the sacrificial anode and the current between the sacrificial anode and the steel structure main body. The invention further discloses a multi-layer protective monitoring and emergency guaranteeing method for the steel structure in the splashing region. The system and the method, provided by the invention, have the advantages as follows: on one aspect, the water inflow condition of a protective layer can be monitored, and the validity of the protective layer is judged; on the other aspect, once the protective layer is broken, the capability of emergency security is provided to maintain the corrosion protecting capability for a period of time to make time for maintenance.
Owner:泰安智慧谷产业园运营管理有限公司

Effectiveness analysis method and regulation method of water curtain system of underground water-sealed oil depot

The invention discloses an effectiveness analysis method and a regulation method of a water curtain system of an underground water-sealed oil depot. The methods are of judging effectiveness of the water curtain system through analyzing hydrochemical feature similarity of water samples of different regions and supplied water of the water curtain system, and regulating the water curtain system through adjusting water quality of the supplied water of a water curtain. According to the methods, groundwater samples are collected at different locations before construction of the oil depot, in construction of the oil depot and after construction completion of the oil depot, hydrochemical feature analysis is carried out, methods of clustering analysis and principal component analysis are combined to classify hydrochemical features of the water samples, situations of waterpower connection between the supplied water of the water curtain system of a depot site area and groundwater at the differentlocations are obtained, then whether the water curtain system of the underground water-sealed oil depot can effectively run can be accurately judged, and the water curtain system is regulated throughadjusting components of the supplied water of the water curtain according to an analysis result. The effectiveness analysis method and the regulation method of the water curtain system of undergroundwater-sealed oil depot provided by the invention are based on the chemical features of the groundwater.
Owner:NORTHEASTERN UNIV LIAONING

Fetal head descending measuring and calculating method and device

InactiveCN110151221AEasy to calculateCalculate objectivelyOrgan movement/changes detectionInfrasonic diagnosticsObstetricsSuperior margin
The invention provides a fetal head descending measuring and calculating method. The method is characterized by comprising the following steps of collecting ultrasonic images showing the superior margin of pubic symphysis, the inferior margin of pubic symphysis and the fetal head profile respectively at two time points; conducting registration on the ultrasonic images at the two preset time pointswith the superior margin of pubic symphysis and the inferior margin of pubic symphysis as matching feature points; calculating the displacement amount of the fetal head profile at the two preset timepoints after registration, namely the fetal head descending amplitude between the two time points, and preferentially, the two time points are the two time points respectively at the beginning and ending of a uterine contraction period. By means of the fetal head position measuring and calculating method and device, the fetal head position can be more conveniently and objectively measured and calculated, thus more precise data is provided for doctors, and then the doctors are helped to make more accurate comprehensive judgment; the fetal head descending amplitude within one uterine contraction period can be calculated, and thus the effectiveness of one-time uterine contraction is judged.
Owner:GUANGZHOU LIAN MED TECH CO LTD

CP-ABE method for supporting privacy protection and decryption in cloud

The invention belongs to the technical field of cloud storage security and information security, and relates to a CP-ABE method for supporting privacy protection and decryption in cloud. According to the invention, a CP-ABE scheme with functions of user privacy protection, decryption test, decryption outsourcing and message verifiability is realized. According to the method, a flexible LSSS structure construction scheme is used in a prime order group; attributes are divided into attribute names and attribute values, the attribute values containing sensitive information are embedded into a ciphertext, and meanwhile multiple groups of generators and random values are selected to achieve anonymity of data users; a decryption test algorithm and an outsourcing decryption algorithm are added, so that the calculation overhead of a data user is saved, and a large amount of decryption calculation is handed over to a third party; and a message verifiability algorithm ensures the decryption accuracy. According to the scheme of the invention, the decryption efficiency, the ciphertext storage overhead and the access control flexibility are greatly improved on the basis of privacy protection, and the problems of privacy disclosure, high user calculation cost and the like in the prior art are solved.
Owner:XIDIAN UNIV

Effectiveness analysis and control method of water curtain system in underground water-sealed oil depot

The invention discloses a method for analyzing and controlling the effectiveness of the water curtain system of an underground water-sealed oil depot. The effectiveness of the water curtain system is judged by analyzing the similarity between water samples in different regions and the water supply water of the water curtain system, and the water supply quality of the water curtain is adjusted. A method for controlling the water curtain system. This method collects groundwater samples at different locations before, during and after the construction of the oil depot and analyzes the hydrochemical characteristics. Combined with the method of cluster analysis and principal component analysis, the hydrochemical characteristics of the water samples are classified, and the reservoir site area is obtained. The hydraulic relationship between the water supply of the water curtain system and the groundwater at different locations can accurately determine whether the water curtain system of the underground water-sealed oil depot can operate effectively, and adjust the water curtain system according to the analysis results by adjusting the water supply components of the water curtain. regulation. The invention proposes a method for analyzing and controlling the effectiveness of the water curtain system of the underground water-sealed oil depot based on the chemical characteristics of the groundwater.
Owner:NORTHEASTERN UNIV LIAONING

Parking charging system capable of judging parking validity of vehicle

The invention discloses a parking charging system capable of judging parking validity of a vehicle. The parking charging system is used for judging whether the position of a vehicle parked in a parking space is correct or not, the parking space is arranged to be in a straight-entering or inclined-entering mode, a binocular stereo camera is arranged in the middle of the bottom of the parking space, and the binocular stereo camera directly faces an access channel of the parking space. The vehicle parking validity judgment method comprises the following steps that the stereo camera obtains an image pair fL(x, y) and fR(x, y) of the parking space, and depth information Z(x, y) is formed by taking the image fR(x, y) as a reference; a license plate area A is extracted in the image fR(x, y); a central line and a midpoint m of the license plate area A in the horizontal direction are extracted, and the position ZM and XM of a central point M of the license plate is calculated; an XZ coordinate of a point on a license plate center line LINE is calculated; the slope k of the license plate center line LINE on the XZ-plane is calculated by adopting a least square method; and when the central point M meets the following conditions: |x0/2+x1/2-M/2|<TX; ZM<TZ; and |k|<Tk, the vehicle is judged to be parked effectively.
Owner:HANGZHOU JINGYI INTELLIGENT SCI & TECH

Vehicle-mounted comprehensive emergency command management system

The invention discloses a vehicle-mounted comprehensive emergency command management system, and particularly relates to the technical field of emergency command management. Comprising a control module; the connection end of the control module is connected with a parameter acquisition module and a model database module; one interface of the output end of the control module is provided with a parameter input module; the output end of the parameter input module is provided with a model display module. The invention comprises the following steps: demonstrating a ground disaster site in real time by utilizing a ground disaster three-dimensional model in a ground disaster three-dimensional model database; obtaining geologic body change parameters of the ground disaster site in real time through a parameter obtaining module, so that a geologic body model closest to the ground disaster site is established; then, enabling remote guidance personnel to apply treatment measure simulation to the model through the parameter input module and observe the change of the model under the treatment measure, so that the guidance personnel can be helped to judge the effectiveness of the treatment measure; therefore, the consideration time of guidance personnel can be saved.
Owner:南京中科华兴应急科技研究院有限公司
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