144results about "Utility meters data arrangements" patented technology

The invention discloses an electric meter intelligent communication detection method and system based on a power line carrier, and relates to the technical field of electric meter communication detection, and the method comprises the steps: collecting the communication data of an electric meter at different time periods, inputting an electric meter communication state dynamic sensing model, analyzing features, and obtaining an initial evaluation result; channel characteristic parameters are calculated by using a carrier channel characteristic dynamic estimation algorithm based on the result, and the channel characteristic parameters are input into a power carrier signal demodulation optimization algorithm to generate an optimized demodulation scheme; signals are demodulated and data are verified according to the scheme, related results are uploaded to an electricity meter communication performance optimization management platform, and the platform evaluates performance and generates optimization suggestions and fault early warning. The system comprises a data acquisition unit, a state analysis unit, a channel calculation unit, a demodulation optimization unit, a data processing unit and a performance management unit which operate cooperatively. The communication state can be dynamically sensed, the channel characteristics can be accurately estimated, the demodulation process can be optimized, the integrated management of the communication performance can be realized, and the accuracy and reliability of the electric meter communication can be improved.

The invention relates to the technical field of electric energy metering, in particular to a wireless automatic electric energy meter reading system and a meter reading method thereof. The system comprises a meter reading terminal and a plurality of intelligent electric meters. The method comprises the following steps: establishing a wireless signal interaction link between the meter reading terminal and the intelligent electric meter; performing association mapping processing according to the link signal transmission characteristics and the ammeter real-time transmission request to form an association mapping result; generating a personalized meter reading strategy through decision analysis of the association mapping result; generating a meter reading instruction according to the strategy and triggering acquisition operation; the intelligent electric meter executes meter reading operation and generates a meter reading result; and finally, matching the meter reading result with the association mapping result, and calculating to obtain an automatic meter reading result. According to the invention, personalized meter reading can be carried out according to different electric meter transmission requirements and dynamically changing wireless signal environments, and the meter reading success rate and the data accuracy are effectively improved.

According to an embodiment, disclosed is a system comprising an energy management module, electrically coupled to a utility meter, energy consuming devices and energy producing devices, comprising, a communication module configured to receive input energy data from utility meter, and energy information of energy consuming devices and energy producing devices; a processor storing instructions in a non-transitory memory that, when executed, cause the processor to: determine energy consumption data of the devices; identify a first device based on a first set of predefined priority values which requires energy; identify a second device based on a second set of predefined priority values which has excess energy; establish a connection and control energy transfer from the second device to the first device based on the energy consumption data and the input energy data to enable smart scheduling and power optimization among the energy consuming devices and the energy producing devices.

A method (400, 500) of transmitting data, by a utility metering device (200) and to a further device, using long range, LoRa, communications. The method (400, 500) comprises assigning, to each item of data (302a-j) of a plurality of data (300) to be transmitted by the utility metering device (200), a priority level from a plurality of priority levels; determining a desired transmission interval based a desired energy consumption from a power source powering the utility metering device (200), during transmission, by the utility metering device, of a predetermined size of data at a first data rate associated with a first spreading factor, wherein the first data rate is one of a plurality of predefined data rates, each data rate of the plurality of data rates being associated with a corresponding spreading factor, and wherein the first data rate is the lowest data rate of the plurality of predefined data rates and the first spreading factor is the highest spreading factor of the corresponding spreading factors; determining a transmission data rate; determining which one or more items of data, of the plurality of data, to transmit at the desired transmission interval, based on the determined transmission data rate and the priority level assigned to each item of data; and transmitting the determined one or more items of data to the further device at the desired transmission interval using the determined transmission data rate.

The application discloses a method, device and equipment for detecting communication performance of a dual-mode carrier and a storage medium, and the method comprises the following steps: after receiving a detection instruction, sending a command of a first network mode and a second network mode to an analog concentrator module, and sending a table address to a detected carrier module; acquiring a first network mode of the analog concentrator module and the detected carrier module according to the first network mode and the table address, and obtaining a first execution result by executing the detection instruction by the detected carrier module; acquiring a second network mode of the analog concentrator module and the detected carrier module according to the second network mode and the table address, and obtaining a second execution result by executing the detection instruction by the detected carrier module; and comparing the first execution result with the second execution result, and if the first execution result is consistent with the second execution result, the communication performance detection of the dual-mode carrier module is passed. The application improves the reliability of the communication performance detection of the detected carrier module.

The application discloses a kind of substation wireless meter reading method, system, electronic device and storage medium, belong to electronic communication technical field, solve the technical problem of insufficient accuracy of existing wireless meter data acquisition.It includes using multiple wireless acquisition nodes deployed in substation to collect multi-modal raw data and pre-process, obtain the multi-modal data set of each node after pre-processing;Semantic feature extraction is carried out on the multi-modal data set after pre-processing, to generate the unified multi-modal feature representation of each node;Using lightweight Transform model to process the unified multi-modal feature representation, to obtain the meter reading prediction value of the node and the corresponding reliability evaluation result;Based on the reliability evaluation result, the meter reading prediction value of each node is weighted and fused to obtain the global meter reading;Based on the error between global meter reading and reference value, the parameters of lightweight Transform model are optimized.The reliability and fault tolerance of data reading are realized.

The present application relates generally to Volt-VAR optimization for power distribution systems having advanced metering infrastructure (AMI). Distributed energy resources (DER) such as photovoltaic arrays are becoming prevalent in distribution systems. These DER systems inject power into the distribution system which can cause unfavorable changes, such as a rise in voltage across the feeder lines of the distribution system. Existing control proposals suffer from a number of shortcomings, drawbacks and disadvantages. In some instances, traditional controllers for distribution systems with DER systems may require information related to the arrangement of the distribution system which is unknown and cannot be provided by the advanced metering infrastructure. There remains a significant need for the apparatuses, methods, systems and techniques disclosed herein.

A system for separating electrical data from multiple distributed energy resource (DER) devices on a site. The system includes a multiport electric meter having a grid port configured for connecting the multiport electric meter to a power grid, and at least one DER circuit port configured for connecting the multiport electric meter to a circuit having two or more DER devices on it. The system also includes a data collector configured to collect data from multiple data channels, at least one of which includes an electrical data channel and at least one which includes a non-electric data channel, corresponding to one of the multiple DER circuit ports. The system further includes a processor configured to input the data collected from the multiple data channels into a classifier to classify the sampled electrical data into one or more classes, and to estimate the electricity usage and / or generated values ​​of one or more of the DER devices based on the classification output by the classifier.

A smart meter (211, 212) includes a first communication interface (230) enabling a first communication channel with an information system (110) using the Internet (101) via a residential gateway (201, 202), and a second communication interface (250) enabling a second communication channel using a cellular network (102). The smart meter (211, 212) implements a first communication mode in which one main communication channel is used to transmit data related to metering operations, and operational verification messages are transmitted on the other communication channel. In a second communication mode, the reverse is implemented.The smart meter (211, 212) switches to the second communication mode when the primary communication channel becomes inoperative, and switches back to the first communication mode when at least one functional verification message receives an acknowledgment on the primary communication channel. Figure to be published with the abbreviation: Fig. 1.

A smart meter that includes a first communication interface providing a first communication channel with an information system using the internet, by means of a residential gateway, and a second communication interface providing a second communication channel using a cellular network. The smart meter implements a first communication mode in which a main communication channel is used to communicate data relating to metering operations, and functioning-verification messages are transmitted on the other communication channel. In a second communication mode, the reverse is implemented. The smart meter switches onto the second communication mode when the main communication channel becomes inoperative, and switches onto the first communication mode again when at least one functioning-verification message receives an acknowledgement on the main communication channel.

The invention relates to the field of link fault detection, in particular to an autonomous meter reading link fault detection method and system based on link information, and the method comprises the steps: obtaining a fixed network topology structure, and calculating the importance weight of any node; constructing a path set of the target path, and constructing a node existence matrix and a node co-occurrence matrix based on the path set; calculating node stability characteristics; calculating link stability characteristics; taking the entropy of the node co-occurrence matrix as an entropy feature; constructing the node stability feature, the link stability feature and the entropy feature into a comprehensive feature vector; and inputting the comprehensive feature vector of the to-be-detected communication path into the fault detection model, and outputting the fault probability of the to-be-detected communication path. Through the technical scheme of the invention, the accuracy of a link fault detection result can be improved.

This invention discloses a smart energy meter data acquisition device, method, equipment, and storage medium for carbon emission metering, relating to the fields of power system and carbon emission management technology. It includes a carbon emission hardware calculation circuit module that verifies frozen data and regional-level carbon emission factors and line loss power from the upper-level node to generate carbon emission data; a first non-volatile processor that stores the carbon emission data; and a second non-volatile processor that serves as a backup for the first non-volatile processor and stores frozen electricity data. The device of this invention expands the carbon emission metering function at low cost through the idle RS485 ports of existing smart energy meters, generates dynamic carbon emission factors through local calculation, accurately calculates carbon emission data, improves data accuracy, real-time performance, and reliability, reduces the burden of centralized calculation, lowers system transformation costs, supports large-scale application, and effectively promotes low-carbon transformation and green power management.

The invention discloses an electric energy meter data adaptive fragmentation transmission communication method and system based on multi-dimensional perception, and the method comprises the steps: enabling an intelligent electric meter to extract the fingerprint stability characteristics of a power supply voltage waveform, detecting a load switching edge event, generating perception data, and uploading the perception data; the concentrator generates a channel quality map reflecting a physical channel state of a power grid according to sensing data of each electric meter, and generates and issues a dynamic fragmentation strategy parameter defining a corresponding relation between a channel quality grade, a network load grade and a recommended fragmentation size and an error correction coding scheme in combination with a real-time network load state; the intelligent electric meter generates a final transmission strategy according to the voltage fingerprint characteristics, the load event and the strategy parameters in combination with the key level of the to-be-transmitted data; processing to-be-transmitted data into fragments according to the strategy, and sending the fragments; the concentrator receives and decodes the data fragments to obtain reading data. The method can be adaptive to channel and network changes, and the copying and reading reliability and efficiency are improved.

The present disclosure provides a multi-device module. In an example, a multi-device module includes a host device interface connected to a host instrumentation device, the host device interface including a communication interface to send and receive communications to and from the host instrumentation device, a power interface to receive power from the host instrumentation device; and an antenna interface connecting the radio device to an antenna on the host instrumentation, the radio device transmitting a radio frequency signal to the wireless network via the antenna interface and receiving a radio frequency signal from the wireless network via the antenna interface; and the computing device is within the multi-device module and communicatively coupled to the communication interface and to the radio device, where: the host device interface, the computing device, and the radio device are disposed on a side of the printed circuit board, where the side includes a shield covering the host device interface, the computing device, and the radio device.

An automated management system (100) comprises a first information system (110a) and a second information system (110b). The automated management system (100) also comprises smart meters of a first type (150a) and smart meters of a second type (150b). Pairing is carried out between each smart meter of a second type and a said smart meter of the first type, so as to serve as a relay for collecting consumption data. A first secure link is established between each smart meter of the first type (150a) and the first information system (110a), using asymmetric encryption to collect first consumption data.A second secure link is established between each smart meter of the second type (150b) and the second information system (110b), using asymmetric encryption to collect consumption data using the paired smart meter of the first type (150a) as a relay.

The invention provides a multi-protocol communication electric meter intelligent acquisition terminal, and relates to the technical field of intelligent electric meter acquisition terminals, the multi-protocol communication electric meter intelligent acquisition terminal comprises a hardware module, the hardware module is composed of an installation assembly and a positioning assembly, the terminal module adopts a multi-interface and multi-protocol design, the problem that a traditional gateway is difficult to be compatible with different protocol electric meters is solved, and the compatibility between the terminal module and the intelligent electric meter acquisition terminal is improved. Hybrid networking of old electricity meters and novel equipment is supported, the migration cost of a user is greatly reduced, a protective cover of a hardware module has two installation modes of quick assembly and disassembly, the terminal module can be installed and used in different environments while maintenance, overhaul and replacement operations of the terminal module are facilitated, and the terminal module is convenient to use. The problems that an existing acquisition terminal is insufficient in protocol compatibility and single in communication technology, and a protective cover is tedious to mount and dismount are solved.

The present invention relates to a method for managing battery-powered communicating meters to measure fluid consumption. The communicating meters are connected to a centralized communicating meter management platform, with each communicating meter operating in a given profile. According to the invention, the centralized platform: - receives (E300) information representing the battery charge level of the meter from a communicating meter; - obtains (E301) the age of the meter; - determines (E307) from the information representing the battery charge level and the meter's age whether the charge level is lower or higher than a chart representing the theoretical evolution of a battery charge level over time; - selects (E308) an operating profile for the communicating meter based on this determination.- transfers the selected profile to the meter if the selected level is different from the given operating profile of the meter. Figure to be published with the abbreviation: Fig. 3.

A battery-powered consumption meter is provided, which comprises a measurement means for measuring a value relating to an accumulated volume of a fluid flowing in a connected fluid pipe system to make up a consumption meter representation of the accumulated volume. The consumption meter further comprises a first communication means, which is a wireless two-way communication means arranged for transmitting the consumption meter representation from the consumption meter to an external device external to the consumption meter, and for receiving a communication therefrom. The consumption meter is arranged to transmit the consumption meter representation to the external device in response to a request therefor from the external device. The consumption meter comprises an internal clock, and registration means for registration, at the time of the communication from the external device, of the communication from the external device and the time of the consumption meter. The consumption meter comprises interpolation means for making up a consumption meter representation corresponding to the time of the communication from the external device from a set of values of the accumulated volume measured previously and subsequently, respectively, to the communication from the external device.

The invention relates to a device (10) and method for recording a consumption variable supplied to a point of consumption. The device comprises a metering module (12) for recording the consumption variable, a first communication module (16) which is designed to communicate, preferably wirelessly, with a remote central collection unit (32) via a first communication network (30) and to transmit at least consumption-related data to the central collection unit (32); a data processing module (14) which is designed to transmit and receive radio signals via the first communication module (16) and to receive and analyze a signal generated by the metering module (12); a power supply module (24) which is designed to supply the metering module (12), the first communication module (16) and the data processing module (14) with current; and a battery (26) which is arranged such that it supplies the power supply module (24) with power. To simplify operation, it is provided that the device (10) has a second communication module (18) which is coupled to the data processing module (14) and is designed to create a wireless communication connection (34) between the data processing module (14) and a user identification means (36) of a user and to receive user data of said user, wherein the device (10) has an authentication module (22) coupled to the data processing module (14) and designed to verify the user data and assign it to an account of the user, and wherein the data processing module (14) is designed to assign the consumption variable provided to the user and recorded by the metering module (12) to the account of the user and to transmit it to the central collection unit (32) via the first communication module (16).

The invention relates to the technical field of gas meter communication, and discloses a gas meter data transmission method and system, and the method comprises the steps that a data collection unit configured on a gas meter collects physical quantities and operation parameters related to a transmission environment; the feature extraction unit extracts interference feature parameters; the transmission parameter adjusting unit dynamically adjusts transmission parameters of the communication module; the time slot distribution unit distributes transmission time slots; and the verification unit verifies the data, the receiving end feeds back confirmation information, and the gas meter executes retransmission or subsequent transmission. The system correspondingly comprises the functional units. According to the scheme, the problem that multi-environmental-factor coupling interference is not considered in existing gas meter transmission is solved, and the transmission reliability and the resource utilization rate are improved.

The present disclosure provides a communication system comprising at least one metering communication adapter, the metering communication adapter comprising a local meter interface configured to communicatively couple to a metering element, and to receive metering data from the metering element, and comprising a first communication interface configured to output the metering data received from the metering element.

Embodiments of the present application provide a data reading method and device, a front-end device and a storage medium, and relate to the field of data processing. The method comprises the following steps: first, generating a data reading request according to the data reading operation of a background personnel on the data reading page. Then, sending the data reading request to the back-end server through a WebSocket client, so that the back-end server acquires the data of the electric meter device and returns the data to the WebSocket client. Finally, the WebSocket client sends the data to the data reading page for display. Since the WebSocket client is installed on the front end, the data reading request generated by the front-end device can be sent to the back-end server through the WebSocket client, thereby improving the real-time performance of data reading under the premise of reducing system pressure.

The present application relates to the technical field of power internet of things, and particularly relates to a meter area identification method based on nonlinear power load, which selects a time period when the power load level of a meter area is in a trough in the meter area to be identified by using the physical characteristic that the energized working period of the nonlinear power load will raise the energy of noise signals in the voltage sampling data of the meters in a larger distance on the same power supply line, then connects a nonlinear power load with larger power to some selected positions in the power supply line of the meter area, and makes these loads intermittently energized by using the timing power supply function of a programmable timing socket, so that each meter in the power information collection network belonging to the meter area collects voltage data in the time period and extracts the harmonic noise components to perform signal energy comparison and analysis, thereby realizing the identification of the meter area affiliation of the meter.

The invention provides a broadband carrier and micropower wireless dual-mode communication data acquisition method and device, and relates to the technical field of electric power communication. The method comprises the following steps: issuing acquisition task configuration information to a first dual-mode communication module; the first dual-mode communication module is controlled to distribute the data items and the collection periods to the second dual-mode communication modules according to the task numbers, and the second dual-mode communication modules are controlled to obtain the collected power data; in the acquisition period, controlling the first dual-mode communication module to send a freezing data request message to each second dual-mode communication module, controlling each second dual-mode communication module to package the power data into a freezing data response message according to the freezing data request message, and sending the freezing data response message to the first dual-mode communication module; controlling the first dual-mode communication module to convert the frozen data response message into a report message; and a report message sent by the first dual-mode communication module is received, the report message is analyzed to obtain the electric power data, and minute-level data acquisition can be realized.

The invention relates to the technical field of electric meter infrared communication, in particular to a circuit for realizing two-path infrared self-matching software and hardware communication, which comprises: A, a CPU (Central Processing Unit) adopting ESP32-S3, multiplexing the CPU into a UART (Universal Asynchronous Receiver / Transmitter) interface through two paths of GPIOs (General Purpose Input / Output), driving PORT-X and PORT-Y infrared links, and configuring at least two paths of GPIOs as link enabling control ends; according to the invention, through the design of two-way infrared communication, transverse acquisition communication and longitudinal acquisition communication technologies are realized, more communication selectivity requirements can be realized in different environments, and through the design of adaptive software and hardware communication, transverse acquisition communication and longitudinal acquisition communication technologies can be realized. According to the method and the device, fitting and self-adaptive communication with an electric meter channel port can be realized, firmware does not need to be updated back and forth, the maintenance cost of a user is greatly reduced, non-filtering communication in a conventional design is replaced by using an infrared communication filtering technology, and the communication reliability and the communication stability of a product are both improved.

A high-frequency data acquisition method is used for meter reading in an electric power station area, a CCO distributes TEIs to STAs accessing the network one by one according to a network access application sequence, the STAs are set to acquire ammeter data at each time point and store the ammeter data in FLASH of the STAs, and the data of the first k time points are reported to the CCO every k time points; the STA is powered on and accessed to the network; the CCO synchronizes an STA clock; the STA collects ammeter data at each time point and stores the ammeter data in the FLASH of the STA; the STA starts data reporting at the first k time points when a reporting period is reached; each STA reports data in a time-sharing manner according to respective reporting time; and the CCO continuously monitors and receives the data reported by the STA until the reporting time of the round is ended. According to the invention, based on an acquisition mode of actively reporting the minute data to the CCO by the STA in the whole network in a time-sharing manner, the influence of a CCO copying and reading strategy on the whole acquisition process is effectively eliminated, the communication success rate is improved, and the network meter reading performance is improved.

The invention discloses an intelligent electric meter and a communication method thereof. Comprising the following steps: an ammeter determines an initial session key according to a key hash chain generated by negotiating with superior management equipment in advance, acquires current running data of the ammeter, and generates a dynamic check code and a dynamic communication key based on the initial session key, the current running data and an identification code of the ammeter; generating an encrypted data packet based on the dynamic communication key, the dynamic check code and data needing to be sent, and sending the encrypted data packet to the equipment; the device extracts operation data of the ammeter in a preset time period from a historical operation database, checks a dynamic check code in the encrypted data packet based on the extracted operation data, determines an initial session key based on a stored key hash chain when the check is passed, and sends the initial session key to the ammeter; and determining a restored dynamic communication key based on the initial session key and the identification code of the ammeter, and decrypting the encrypted data packet by using the restored dynamic communication key. According to the invention, the data transmission security of the intelligent electric meter is greatly improved.

The invention relates to a method for reading minute-level frozen data of an electric energy meter and an acquisition terminal. The method comprises the following steps that: the acquisition terminal acquires structured data containing a plurality of meter reading task instructions and key information from a mobile terminal at one time; the acquisition terminal analyzes the structured data to extract a meter reading task instruction and key information for interacting with the target electric energy meter; based on the meter reading task instruction and the secret key information, the acquisition terminal establishes connection with the specified electric energy meter and completes identity authentication; after the identity authentication is passed, acquiring multiple frames of minute-level frozen data from the specified electric energy meter; the acquisition terminal integrates all the multi-frame minute-level frozen data into return data; and the acquisition terminal sends the return data to the mobile terminal. According to the method, the mobile terminal issues the structured data containing the meter reading task instruction and the key information at a time, the acquisition terminal is triggered to independently execute subsequent operation, and the overall speed and stability of minute-level frozen data acquisition are remarkably improved.

A multifunctional intelligent meter reading device comprises a meter reading module and a switching module. The meter reading module comprises a shell and an image acquisition unit. The image acquisition unit is arranged in the shell, and the first surface of the shell is provided with a first hole corresponding to the image acquisition unit in position and an annular part surrounding the first hole. The switching module is provided with a central channel and an adhesion surface. The adhesion surface is arranged at one end of the switching module, and the other end of the switching module is detachably arranged on the annular part. And the switching module is fixed on the target energy meter through the adhesion surface, so that the central channel is communicated with the first hole.

The invention relates to the technical field of power supply energy consumption acquisition, in particular to a construction site temporary electricity consumption acquisition system and method, and the method comprises the following steps: providing mutual inductors, and installing the mutual inductors on distribution boxes of a construction site; the power consumption data of the corresponding distribution box is acquired by using the installed mutual inductor, and the acquired power consumption data is sent to the processor for storage and management. According to the invention, the mutual inductor is arranged in each distribution box, so that the uninterrupted acquisition and remote transmission of parameters such as voltage, current, power, electric energy and the like of each level of loop are realized, invisible power consumption is converted into visual data flow, and a solid foundation is laid for energy consumption monitoring and analysis.