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

96results about How to "Improve collection success rate" patented technology

Substation, terminal and system for collecting information of electricity consumption

The invention discloses a substation, a terminal and a system for collecting the information of electricity consumption. The system comprises a master station, a substation and a terminal, wherein the substation consists of an OLT (optical line terminal) as network equipment and a POS (passive optical splitter); and the terminal consists of an ONU (optical network unit) and an electric energy meter. The OLT receives and resolves a command issued by the master station, and sends the resolved identifier of a target electric energy meter and the control information to the ONU through the POS on optical fiber; the ONU collects the information of electricity consumption from the electric energy meter corresponding to the identifier of the target electric energy meter according to the received control information; and the ONU sends the information of electricity consumption to the OLT through the POS on the optical fiber after the information collection, and the OLT further uploads the information of electricity consumption to the master station, so as to complete the entire process of information collection. By applying the technical scheme, the invention substitutes the optical network for the complex original local network, thus optimizing the network structure and further reducing the complexity of the system for collecting the information of electricity consumption.
Owner:STATE GRID CORP OF CHINA +2

Acquisition task priority scheduling control method for electricity information acquisition terminal

The invention discloses an acquisition task priority scheduling control method for an electricity information acquisition terminal. Due to the fact that the type and number of data acquired by an existing acquisition terminal are more and more, acquisition task conflicts are generated in the key working stage of the acquisition terminal, and the key data acquisition success rate of the acquisition terminal is influenced seriously. According to the technical scheme, the method comprises the steps that a main station sends an acquisition scheme for configuring acquisition priorities to acquisition tasks to the acquisition terminal, a passive meter reading mode is adopted by an acquisition terminal router, and meters request the acquisition terminal to read data in turns according to meter records configured in the router; the acquisition terminal conducts meter reading according to the task superlative strategy; and all the meters request the acquisition terminal to read data in turns again, and the acquisition terminal continues to conduct meter reading according to the task preference strategy. According to the acquisition task priority scheduling control method, a data acquisition task scheduling function of the terminal is optimized according to the acquisition task priorities; and by configuring different acquisition priorities to different acquisition tasks, the acquisition efficiency and acquisition success rate of important data can be guaranteed.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +3

Method and system automatically obtaining transformer area topological graph

The invention discloses a method and system automatically obtaining a transformer area topological graph, no artificial work is needed, thus reducing errors and omissions caused by artificial drafting; the method comprises the following steps: using a first electric energy meter to obtain first latitude and longitude geography position information and first phase information; using a collector to obtain second latitude and longitude geography position information and second phase information; using the latitude and longitude geography position information and phase information of the collector to serve as that of the second electric energy meter; using a concentrator to obtain third latitude and longitude geography position information; using the concentrator to receive the first latitude and longitude geography position information and the first phase information sent by the first electric energy meter, and the second latitude and longitude geography position information and the second phase information sent by the collector; allowing the concentrator to upload all latitude and longitude geography position information and phase information to a main station; allowing the main station to collect all latitude and longitude geography position information and phase information, and to draft the transformer area topological graph according to all latitude and longitude geography position information and phase information.
Owner:湖南华烨智能通信技术股份有限公司

Self-learning intelligent meter reading method and self-learning intelligent meter reading system

The invention discloses a self-learning intelligent meter reading method, which comprises: establishing the sample libraries of each electric meter, and recording the latest N meter reading data; calculating the optimal meter reading period according to the N meter reading data; calculating the meter reading priority according to the optimal meter reading period; and ordering the electric meters according to the meter reading priority, and reading the electric meter according to the meter reading priority and the optimal meter reading period when the meter reading time is reached. The invention further discloses a self-learning intelligent meter reading system. According to the present invention, the invention relates to the technical field of power grids; and with the method and the system, the most suitable reading times of each electric meter are found, and the meter is read at the most suitable reading time, such that the optimal meter reading success rate can be achieved, the success rate of the whole power consumption information collection can be effectively improved, the adding of the equipment cost is not required, and the improved meter reading success rate can greatly reduce the cost of the manual meter reading.
Owner:SHENZHEN CLOU ELECTRONICS

Finger vein and fingerprint hybrid identity authentication device and method

The invention discloses a finger vein and fingerprint hybrid identity authentication device and method. In a same structure, two independent groups of infrared spot lights are utilized to extract vein information and fingerprint information of a finger respectively, the structure is simple, and the operation is convenient; the complementation of the two types of biological identification modes of finger vein and fingerprint is realized, so that the authentication accuracy is higher, and scope of application is wider; due to the arrangement of an isolation board and two rows of infrared spot light groups, light irradiated to a verifying finger can be adequate and irradiated accurately; moreover, image interference to vein information and fingerprint images is reduced, so that the acquisition accuracy and success rate are improved, and a guarantee is provided for follow-up certification; comparison authentication is carried out in an intelligent terminal, so that equipment does not need to store feature information or perform comparison authentication, the function is simpler, and the component is smaller; and due to the adoption of low-energy design, the finger vein and fingerprint hybrid identity authentication device is connected with other intelligent equipment via a USB for information exchange, and is powered by the USB directly, so that no external power supply is needed.
Owner:北京神州安盾科技有限公司

A method for intelligently classify and managing that quality of tubular yarn and a device for realize the same

A method for intelligently classify and managing that quality of tube yarn and its implement device are disclosed, the quality information of tubular yarn was collected on-line and its grade was determined, and then transporting the tube yarn to the corresponding winding area through different channels according to the grades, wherein the quality information is obtained by processing an image of ayarn in an instantaneous stable state after the image is collected, Grades are created by matching the grades, quality information of historical tubes of known grades and quality information of current tubes of which grades are to be determined as categories, The training sample and the test sample are determined using the 'one-to-one' classification method of the SVM, and the device comprises acollecting device for collecting quality information of the tubular yarn, an RFID system for confirming grade information of the tubular yarn and storing it in an electronic tag on the tubular yarn, and a track classifier for adjusting the traveling direction of the tubular yarn according to the grade. The method of the invention has the advantages of high accuracy and efficiency, simple device structure, high automation degree and good application prospect.
Owner:DONGHUA UNIV

Method and device for detecting communication fault of field device of electricity use information collection system

The invention discloses a method for detecting a communication fault of a field device of an electricity use information collection system. The method comprises the steps of connecting a fault collection and identification device which serves as an electric energy meter into a strong electricity circuit of a detected concentrator, and detecting the local communication function of the concentrator based on the data which are returned by the fault collection and identification device and received by a main control device; connecting the fault collection and identification device which serves as the concentrator into the strong electricity circuit of a detected collector, and detecting the upward communication function of the collector based on the condition of the to-be-detected collector data received by the main control device; connecting the fault collection and identification device which serves as the concentrator into a strong electricity circuit of a detected electric energy meter, and detecting the communication function of the electric energy meter based on the condition of the to-be-detected electric energy meter data received by the main control device; inserting a to-be-tested SIM card into the fault collection and identification device and testing the SIM card based on the configured testing parameter. The method for detecting the communication fault of the field device of the electricity use information collection system can efficiently check the communication fault of the field device and efficiently improves the data collection success rate.
Owner:CHINA ELECTRIC POWER RES INST +2

Silicon material selection device and selection method

The invention relates to a silicon material selection device, and belongs to the technical field of photovoltaics. By means of the device, the problem that in the prior art, the silicon material selection purity is low is solved. The silicon material selection device comprises a rack and a box, wherein a feeding hopper is arranged on the box, a first magnetic roller and a power device for drivingthe first magnetic roller to rotate are arranged in the box, the first magnetic roller rotates anticlockwise, the first magnetic roller comprises a first rotating cylinder and an arc-shaped first magnetic system arranged on the left side of the magnetic roller, a silicon material collecting bucket is arranged on the left side of a portion under the first magnetic roller, a first impurity collection bucket is arranged on the right side of the portion under the first magnetic roller, a scraping board is arranged on the portion, on the right side of the first magnetic roller, located above the first impurity collection bucket, an impurity collection roller is arranged over a portion on the right side of the first magnetic roller, and the impurity collection roller is an electromagnet in a cylinder shape. According to the silicon material selection device, through the first magnetic roller, primary selection is conducted, and through a material falling board, secondary selection is conducted, so that selected recovered silicon material magnetic impurities are minimum, and the purity of a silicon material is effectively improved.
Owner:ZHEJIANG YIYANG SOLAR TECH CO LTD

Customer satisfaction recognition method and device based on micro-expression, terminal and medium

PendingCN110705349ASolve technical problems that cannot calculate customer satisfactionImprove collection success rateCustomer relationshipSpeech analysisCustomer delightEngineering
The invention provides a customer satisfaction identification method based on micro-expressions. The method comprises the following steps: acquiring a whole-body image of a customer and audio data ofa preset duration every other preset acquisition period; extracting expression features and limb features of predetermined points from the whole body image, and extracting speech speed features and tone features from the audio data; inputting the expression features into an expression satisfaction recognition model to obtain a first satisfaction score, inputting the limb features into a limb satisfaction recognition model to obtain a second satisfaction score, and inputting the speech speed features and the tone features into a speech satisfaction recognition model to obtain a third satisfaction score; and calculating the final satisfaction of the customer according to the first, second and third satisfaction scores, and outputting the final satisfaction. The invention further provides a customer satisfaction recognition device based on the micro-expression, a terminal and a medium. According to the invention, the technical problem that the customer satisfaction cannot be calculated when the customer has no expression in the whole service process can be solved.
Owner:ONE CONNECT SMART TECH CO LTD SHENZHEN

Data time-sharing acquisition method and device based on multiple channels

The embodiment of the invention discloses a data time-sharing acquisition method and device based on multiple channels. According to the technical scheme provided by the embodiment of the invention, anode synchronization request sent by each terminal is received in real time through a gateway, a corresponding node synchronization response is returned to the terminals based on the node synchronization request, and the reporting channel and the reporting time slice for data reporting of each terminal are indicated through the node synchronization response; and further, by broadcasting the nodeacquisition request, a node acquisition response reported by each terminal according to the corresponding node synchronization response is received, and a data acquisition result state of each terminal is recorded. By adopting the technical means, the reporting channels and the reporting time slices for the terminals to report the data can be indicated through the node synchronization response, sothat each terminal uploads the data through the specified channel and the specified time, thereby realizing the channel-sharing and time-sharing data acquisition of the gateway, and improving the efficiency and success rate of the data acquisition.
Owner:GUANGZHOU ZHIYUAN ELECTRONICS CO LTD

A front-end processor real-time missed compensation method and system based on task slots

The invention provides a front-end processor real-time missed compensation method and system based on a task slot. The method comprises the steps of configuring a task model of the meter, and initiating a round call task; reading a data schedule in the task model; analyzing the progress time in the data progress table; sampling reference time and acquisition period time in the task model; comparing the progress time with the reference time, if the difference value is greater than the period time, initiating a call supplementing task, and collecting meter data in the two times by taking the progress time as the starting time and the reference time as the ending time; and if the difference value is smaller than the period time, performing data acquisition on the current meter according to the task model, updating the data progress table after the acquisition is successful, and taking the task ending time of the task as the progress time in the data progress table. According to the present invention, the collection is carried out according to the collection progress time point, and if a leakage point exists between the collection progress time point and the current time point, the leakage point can be copied back, so that the calling supplementing timeliness is improved.
Owner:杭州海兴泽科信息技术有限公司 +3

Frozen current-based method and system for automatic identification of topological relation of power distribution network courts

The invention provides a frozen current-based method and system for automatic identification of a topological relation of power distribution network courts. The method comprises the following steps: setting a frozen current transaction threshold value, judging whether current transaction exceeds the set threshold value or not, and if so, transmitting a freezing command to all low-voltage fault sensors in a broadcasting manner, and freezing current information at the same time; reading the current freezing data with timestamps of all the low-voltage fault sensors in sequence in a polling mode, calculating current freezing data and the last freezing data, and determining relevant parameters including current increment, harmonic increment and leakage current increment information; and performing data grouping and branch analysis according to the related parameters of the frozen current, performing hierarchical analysis according to different main and branch identification results, and determining a topological structure of the power distribution network courts. According to the invention, low-voltage topology automatic identification can be realized.
Owner:国网山东省电力公司营销服务中心(计量中心) +1

Electricity utilization information acquisition system interference signal suppression method and system thereof

The invention provides an electricity utilization information acquisition system interference signal suppression method and a system thereof. The method comprises the steps that an interference frequency band of power line carrier communication affected by harmonic interference signals is acquired, and a system function of a Butterworth type low-pass filter is generated according to a set order number and the interference frequency band; input end impedance of the Butterworth type low-pass filter is generated according to the system function, electricity utilization equipment generating the harmonic interference signals and a circuit formed by connection of the electricity utilization equipment and a power grid; the Butterworth type low-pass filter is realized according to a Calder trapezoid circuit and the input end impedance; and the Butterworth type low-pass filter is arranged between the electricity utilization equipment and the power grid so as to suppress interference of high-frequency harmonic wave in the electricity utilization equipment on power line carrier communication signals. According to the method and the system thereof, the interference signals in a power carrier communication circuit can be effectively eliminated via the specially designed Butterworth type low-pass filter.
Owner:STATE GRID CORP OF CHINA +2

Court line loss lean management-based voltage line lap selection method for gateway meter

The invention discloses a court line loss lean management-based voltage line lap selection method for a gateway meter, and belongs to the field of detection. Firstly a fixing and connecting mode between a voltage line of the gateway meter and a wiring screw of a fuse socket of a main circuit of a power supply line is determined; screw caps made from at least two different materials and having different styles are designed; the screw caps are subjected to selection and type selection by utilizing an analytic hierarchy process; and the screw cap type with the optimal comprehensive usage effect is selected and used. According to the technical scheme, by improving the stability of lap mechanical connection and the reliability of electrical connection quality, the field defect elimination frequency of operation and maintenance personnel is reduced, and the collection success rate of a power supply side electric quantity of a court of a pole transformer is increased, thereby avoiding safetyaccidents of the operation and maintenance personnel in the defect elimination process from the source, reducing the negative line loss of the court and the relatively low line loss rate, and facilitating implementation of line loss lean management work of the court of the pole transformer. The method can be widely used in the fields of operation detection and electricity consumption management ofa power supply system.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products