40 results about "Automatic meter reading" patented technology

The invention provides a mechanical water meter automatic meter reading method based on a deep learning OCR model, and belongs to the technical field of water meter automatic meter reading, and the method comprises the following steps: collecting and marking mechanical water meter pictures, and forming a data set; a mechanical water meter character detection model, a mechanical water meter character direction judgment model and a mechanical water meter character recognition model are constructed, and the data set is used for training; obtaining a mechanical water meter picture needing to be read, sequentially inputting the mechanical water meter character detection model, the water meter character direction judgment model and the mechanical water meter character recognition model, and finally obtaining a meter reading number by determining a meter reading area position and a character direction. According to the method, automatic meter reading of the mechanical water meter is realized, the positioning precision of a meter reading area is improved, the processing speed is high, the problem of large identification error caused by diversity of shooting angles of compatible water meter pictures by identifying character directions is solved, a half-character mapping rule of a reading label is introduced, the interference of half characters on the identification precision of full characters is avoided, and the character identification precision is improved.

The invention discloses a heavy load transformer area technology loss abnormity diagnosis method and system based on a characteristic cutaway view, and belongs to the technical field of line loss management. The method comprises the following steps: acquiring the power supply quantity and the line loss rate of the transformer area in the automatic meter reading system; calculating a transformer area average load rate according to the transformer area power supply amount, and screening out a heavy load transformer area by using the transformer area average load rate; drawing a characteristic cutaway view of the heavy load area according to the power supply quantity of the heavy load area and the line loss rate of the heavy load area; fitting the heavy load area characteristic cutaway view, and calculating the slope of the heavy load area characteristic cutaway view; and obtaining a technical loss abnormity diagnosis result of the heavy load transformer area according to the slope of the heavy load transformer area characteristic section view and the slope threshold value of the same type of heavy load transformer area. According to the heavy load area characteristic cutaway view provided by the invention, accurate judgment of the line loss abnormity of the heavy load area can be realized only through image analysis and data fitting.

The application discloses a kind of transformer substation in-station instrument automatic meter reading method and system, it is related to power station inspection technical field, including: meter reading work is completed by transformer substation in-station instrument meter reading software, including automatic meter reading module and meter reading photo analysis module;Automatic meter reading module is used to use mobile terminal and main control room computer to establish network communication, obtains meter reading photo by photographing field instrument to mobile terminal, and is returned to main control room computer, is downloaded and is transmitted to meter reading photo analysis module calculation;Meter reading photo analysis module is used to initialize meter reading photo, position target and calculate the instrument contained in meter reading photo, extract the outline of target, identify the edge coordinates of instrument pointer by contour matching mode, calculate the instrument reading pointed by instrument pointer by looking up black and white boundary in binary image.The application can replace artificial field meter reading, automatically obtain the reading of transformer substation instrument by field photo identification, generates instrument data report.

The invention relates to the technical field of data communication, in particular to a remote communication and automatic meter reading method and system of an electric energy meter, and the method comprises the steps that a meter reading module divides meter reading data into a plurality of meter reading data groups; the meter reading module carries out secret processing on the operation processing result data by using the secret data corresponding to the corresponding meter reading data group with the minimum number so as to obtain intermediate secret processing result data; the meter reading module carries out secret processing on the operation processing result data by using secret data corresponding to the determined meter reading data group to obtain intermediate secret processing result data; the meter reading module is connected with all the intermediate secret processing result data and the final operation processing result data in sequence to obtain transmission data, and the transmission data is sent to the remote module through the communication module. According to the invention, the safety of the meter reading data in the transmission process can be ensured.

The invention relates to the technical field of intelligent water affair management, in particular to a remote automatic meter reading method and system of an intelligent water meter, which effectively overcomes the limitation of single monitoring by introducing a dual monitoring mechanism of a first monitoring device and a second monitoring device and combining data fluctuation quantity analysis, data consistency comparison and weighted fusion calculation. By constructing a neighborhood data set and analyzing respective data fluctuation quantity, the system can identify the instability of first monitoring data and possible inconsistency between data of two devices, determine similarity characteristic values according to the data fluctuation quantity and the data consistency, and perform weighted fusion on the two monitoring data on the basis of the similarity characteristic values, so as to obtain a fusion result of the two monitoring data. According to the method and the system, the weights of different data sources can be dynamically adjusted by the system, so that the corrected and more accurate meter reading data can be obtained even in a complicated and changeable water flow environment, the accuracy and the reliability of the meter reading data are improved, and potential water consumption abnormity can be found in time.

The invention discloses an anomaly detection method and device in a transformer area user transformer cutover scene, equipment and a storage medium. An anomaly detection method in a transformer area user transformer cutover scene comprises the steps of obtaining transformer area data before and after transformer area user transformer cutover, the transformer area data before transformer area user transformer cutover comprises transformer data and user data before transformer area user transformer cutover, and the transformer area data before transformer area user transformer cutover comprises transformer data before transformer area user transformer cutover and user data before transformer area user transformer cutover; the transformer area data after transformer area user transformer cutover comprises transformer data and user data after transformer area user transformer cutover; based on the transformer area data before and after transformer area user transformer cutover, first user transformer matching data before transformer area user transformer cutover and second user transformer matching data after transformer area user transformer cutover are determined respectively; and determining an anomaly detection result in the transformer area user-transformer cutover scene based on the first user-transformer matching data and the second user-transformer matching data. The problem that trouble is caused by incorrect user transformer data due to load cutover and the like to automatic meter reading of the electricity meters in the transformer area and correct statistics of the line loss of the transformer area is solved.

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.

1. Name of the product in this design: Meter Reader. 2. Purpose of this design: This product is used to connect to an electricity meter, read and transmit meter data, realize automatic meter reading and monitor local energy consumption. 3. The key design points of this product are: the shape of Design 1; the shape of Design 2; and the combination of shape and color. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Other explanation: Request protection for the product color of Design 2. Other notes: The component indicated at point A in 3D diagram 1 of design 2 is made of transparent material.

The utility model relates to the technical field of new energy power station automatic meter reading equipment, in particular to new energy power station automatic meter reading equipment convenient and rapid to install. The technical problems that a common new energy power station automatic meter reading device only comprises an installation structure and can be fixed, but a structure for adjusting the installation size is lacked, and normal use and rapid installation of the new energy power station automatic meter reading device are affected are solved. According to the technical scheme, the new energy power station automatic meter reading equipment convenient and rapid to install comprises a protection box body. By arranging the structure for adjusting the mounting size, the automatic meter reading equipment of the new energy power station with different sizes can be smoothly mounted, so as to solve the problems that the common automatic meter reading equipment of the new energy power station only comprises a mounting structure and can fix the automatic meter reading equipment of the new energy power station, but the structure for adjusting the mounting size is lacked; and normal use and rapid installation of the automatic meter reading equipment of the new energy power station are influenced.

The application provides a marine narrow cabin automatic meter reading robot and a control method thereof, and relates to the technical field of robot control. The robot comprises: a ship-mounted robot control terminal installed in the cabin; a control terminal cable installed on the wall in the cabin; a relay station installed on the top wall of the cabin; an automatic meter reading robot identification terminal; a five-axis mechanical arm used to adjust the spatial position of the automatic meter reading robot identification terminal; a transmission cable used to power the five-axis mechanical arm and transmit data; a V-shaped guide rail installed on the top of the cabin and used to move the five-axis mechanical arm; and an electric wheel module used to fix the five-axis mechanical arm on the guide rail and change the position of the five-axis mechanical arm. The marine narrow cabin automatic meter reading robot improves the efficiency and accuracy of meter reading, avoids the occupation of space caused by arranging too many devices in the narrow cabin, and makes the entire meter reading system highly integrated with the cabin environment without interference.

The invention discloses an intelligent substation inspection pointer type meter reading method and equipment based on prior guidance, and belongs to the technical field of meter automatic reading. Acquiring inspection images and videos related to an instrument detection task, extracting local instrument images, and generating a sample data set; constructing and training a PriKMet algorithm model based on the sample data set; based on a PriKMet algorithm model, the intelligent substation polling pointer meter is identified, an identification result is output, and a unified solution of dial plate detection, pointer positioning and reading calibration is realized.

The present invention relates to the field of automatic meter reading technology, and solves the technical problems of low efficiency and poor real-time performance of meter reading in the prior art, lack of monitoring of abnormal water use data and intuitive display of water use characteristics, and particularly relates to a method for automatic meter reading of water meter data, the method comprising the following steps: S1, collecting raw water meter data, performing preliminary abnormal value removal on the raw data, and obtaining non-abnormal data; S2, performing deep preprocessing on the non-abnormal data to obtain preprocessed data; S3, dividing the preprocessed data into multiple water volume data Wa according to time periods (t) , calculate water volume data Wa (t) The present invention can reduce the dimensionality curse problem by performing dimensionality reduction processing on water use data. While improving the performance of the method, it can also enable users to obtain a three-dimensional visual image of the water use situation, allowing users to obtain water use information more intuitively and quickly.

The invention provides a water flow intelligent monitoring method, device and equipment, and the method comprises the steps: receiving a user query instruction, and determining the attribute information of a to-be-queried water flow meter based on the query instruction; when the attribute information shows that the to-be-inquired water flow meter allows the external module to be connected, the numerical value of the water flow meter is read through the wireless transmission module; when the attribute information shows that the to-be-inquired water flow meter does not allow the external module to be connected, the numerical value of the water flow meter is obtained through an automatic meter reading device based on OCR; the numerical values of the water flow meters are sequentially transmitted to a communication interface layer, a grouping analysis layer, a data execution layer and a recording layer of the cloud server, and accumulated flow data and flow data in a preset time period are output; recording the accumulated flow data and the flow data in a preset time period, and generating a statistical chart; the water flow is read by adopting different acquisition modes and is sent to the user terminal through the cloud server, so that the water flow monitoring efficiency is improved, and the timeliness of user query is also improved.

The invention provides a marine narrow cabin automatic meter reading robot and a control method thereof, and relates to the technical field of robot control. The robot comprises a shipborne robot control terminal installed in a cabin body; the control terminal cable is mounted on the inner wall of the cabin body; the relay station is mounted at the top, close to the wall, in the cabin body; the automatic meter reading robot identifies the terminal; the five-axis mechanical arm is used for adjusting the spatial position of the automatic meter reading robot identification terminal; the transmission cable is used for supplying power to the five-axis mechanical arm and transmitting data; the V-shaped guide rail is mounted at the top in the cabin body and is used for moving the five-axis mechanical arm; and the electric wheel module is used for fixing the five-axis mechanical arm on the guide rail and moving to change the position of the five-axis mechanical arm. According to the marine narrow cabin automatic meter reading robot, the meter reading efficiency and accuracy are improved, space occupation caused by arrangement of too many devices in a narrow cabin is avoided, and the whole meter reading system and the cabin environment are highly integrated and do not interfere with each other.

The invention discloses an automatic meter reading identification method for a substation inspection robot vehicle. The method comprises the following steps: constructing a substation environment three-dimensional grid map; setting a multi-objective function for global path planning of the inspection robot vehicle; global and local path planning is carried out by adopting an improved DOA optimization algorithm and an improved DDPG reinforcement learning algorithm, and an optimal path of the inspection robot vehicle is found; according to the DDPG algorithm, an improved GOA algorithm is introduced into a reward and punishment function to optimize a safe time interval model optimization path; an NLM model is adopted to carry out image noise reduction, and a SegVG model is adopted to carry out image feature extraction; and an improved MHAFF model is adopted to accurately identify digits.

The invention discloses a gas camera shooting and meter reading device, and belongs to the technical field of gas meters, the gas camera shooting and meter reading device comprises a shell, a partition plate and a shooting assembly, the partition plate is arranged in the shell, and a cavity of the shell is divided into an isolation cavity and a mounting cavity; the shell is provided with a mounting opening and an observation surface, the display surface of the gas meter enters the isolation cavity through the mounting opening, and the mounting opening and the observation surface are oppositely arranged; the installation cavity and the observation face are staggered, the shooting assembly is arranged in the installation cavity, the shooting direction of the shooting assembly faces the installation opening, and the shooting view angle of the shooting assembly covers the installation opening. The gas camera shooting meter reading device is mounted on the gas meter, so that the display surface of the gas meter cannot be shielded by the gas camera shooting meter reading device, and a user can normally observe the reading on the gas meter; when automatic meter reading is needed, the display surface of the gas meter can be shot through the shooting assembly, so that the reading on the gas meter is automatically read, and the automatic meter reading operation is completed.

The application relates to the technical field of intelligent water meter monitoring, and particularly discloses a remote automatic meter reading method and system of an intelligent water meter based on NB-IoT. The application constructs a communication link quality evaluation model by sensing water meter installation environment data, determines a communication reliability level, carries out time series analysis based on water metering data to extract user water change characteristics, identifies abnormal water use behaviors according to the user water change characteristics, establishes a meter reading frequency adjustment model according to the user water change characteristics and communication environment quality indexes, and realizes dynamic sampling scheduling of water metering data. The application realizes stable remote automatic meter reading of the intelligent water meter in complex environments such as basements and tube wells, and improves meter reading success rate and battery service life.

The invention relates to the field of intelligent image recognition, and particularly discloses a natural gas meter reading method and system based on artificial intelligence, the method comprises the following steps: S1, field data acquisition: shooting an original image of a dial plate of a gas station flowmeter in real time through a camera, the camera being installed at a position where a dial plate picture can be clearly captured, an existing metering instrument does not need to be replaced; transmitting the collected original image to an edge computing device or a cloud; s2, artificial intelligence recognition processing: performing denoising, contrast adjustment and perspective transformation distortion correction preprocessing on the original image according to a time sequence to obtain a preprocessed image sequence, wherein the preprocessed image sequence comprises a plurality of preprocessed images and acquisition time information corresponding to the preprocessed images; s3, abnormal recognition and sorting; and S4, numerical analysis. According to the invention, the function of automatic meter reading can be realized with low cost and low influence.

The present invention relates to the field of electric energy meters, and more specifically, to an automatic meter reading method for electric energy meters based on computer vision. The method comprises: taking the same electric energy meter image and image label in history as samples to construct an electric energy meter sample set, wherein the image label comprises a candidate frame and an electric energy meter digital value; for any sample, taking two candidate frames in the same column as a frame pair, and calculating the difficulty of classifying the frame pair; constructing a loss function according to the difficulty of classifying for training a preset network, outputting the trained preset network with the electric energy meter image taken in real time, outputting the electric energy meter digital value, and completing automatic meter reading. Through the technical solution of the present invention, the high efficiency of electric energy meter reading can be guaranteed, while the meter reading accuracy can be improved.

The application discloses a kind of transformer substation inspection machine car automatic meter reading identification method, comprising the following steps: constructing transformer substation environment three-dimensional grid map;Establish the multi-objective function of inspection machine car global path planning;Global and local path planning is carried out using improved DOA optimization algorithm and improved DDPG reinforcement learning algorithm, and the optimal path of inspection machine car is found;DDPG algorithm introduces improved GOA algorithm optimization safety time interval model in reward and punishment function Optimization path;Image denoising is carried out using NLM model, and image feature extraction is carried out using SegVG model;The accurate identification of number is carried out using improved MHAFF model.

The application discloses an automatic meter reading device and a meter reading control method thereof, and relates to the technical field of automatic meter reading, wherein the automatic meter reading device comprises a shell, an image acquisition assembly and a shielding part. The inner side of the shell is formed with an inner cavity, and one end of the shell is formed with a mounting part. The mounting part is used for connecting a meter structure, so that the indication information of the meter structure can be displayed in the inner cavity. The image acquisition assembly comprises a camera unit and an illumination unit. The camera unit and the illumination unit are arranged in the inner cavity and correspond to the mounting part, and are used for acquiring the indication information of the meter structure. The technical scheme provided by the application can isolate the interference of unstable external light on the image acquisition process through the arrangement of the shielding part, avoid the overexposure, underexposure or ghosting problem of the collected image caused by the change of external light and environmental reflection, and does not need to repeatedly adjust the shooting parameters to reacquire the image, so that the stability of image acquisition is ensured.

The invention provides a special transformer acquisition terminal based on multiple communication channels and an automatic meter reading optimization method thereof, and belongs to the technical field of signal transmission, and the terminal comprises a task determination module which is used for determining acquisition task sets at multiple moments based on a self-adaptive intelligent scheduling acquisition algorithm; the path matching module is used for matching a data transmission path according to the real-time evaluation result of the multiple communication channels and the priority of the collection task at the current moment; the interrupt event acquisition module is used for acquiring an acquisition interrupt event based on the data transmission path; and the retransmission module is used for adaptively determining a retransmission strategy to perform corresponding retransmission according to a first historical interruption situation of the acquisition interruption task if the acquisition succeeds. According to the special transformer acquisition terminal based on the multiple communication channels and the automatic centralized meter reading optimization method thereof, a self-adaptive intelligent scheduling acquisition algorithm is introduced, and task setting is more reasonable. The retransmission behavior is dynamically adjusted, the retransmission strategy is more suitable, and the communication in the data acquisition process is more stable and reliable.

This application relates to the field of data communication technology, and in particular to a method and system for remote communication and automatic meter reading of an electricity meter. The method includes: a meter reading module dividing meter reading data into several meter reading data groups; the meter reading module using the hidden data corresponding to the smallest meter reading data group to perform hidden processing on the calculation result data to obtain intermediate hidden processing result data; the meter reading module using the hidden data corresponding to a determined meter reading data group to perform hidden processing on the calculation result data to obtain intermediate hidden processing result data; the meter reading module sequentially connecting all the intermediate hidden processing result data and the final calculation result data to obtain transmission data, and sending the transmission data to a remote module through a communication module. This application ensures the security of meter reading data during transmission.

This disclosure relates to an automatic meter reading system (ARS) (1) for determining values ​​at multiple distributed installation locations and transmitting data containing said values ​​to a front-end system (HES) (3) via a low-power wide area network (LPWAN). The ARS (1) includes: an HES (3); multiple battery-powered fixed measuring devices (7), each measuring device (7) configured to be installed at one of the multiple installation locations and to determine said value at said one installation location, wherein each measuring device (7) includes an LPWAN connection module configured to establish a wireless communication connection to an LPWAN for transmitting data containing said value to the HES (3) via the LPWAN; and a mobile installation device (13) including a short... A short-range connection module is configured to establish a short-range wireless communication connection (15) to one of a plurality of measurement devices (7) to be installed at one of a plurality of installation locations. The short-range connection module is configured to send LPWAN connection candidate information to one of the plurality of measurement devices (7) to be installed at one of the plurality of installation locations via the short-range wireless communication (15). The LPWAN connection module of the one of the plurality of measurement devices (7) is configured to attempt to establish an LPWAN handshake connection at the one of the plurality of installation locations for the first time based on the received LPWAN connection candidate information.

An IoT (Internet of Things) gateway includes a data framing module including an input for receiving serial data from a utility meter and an output for sending application layer protocol frames to a network gateway, wherein the data framing module is configured to include the serial data in the application layer protocol frames selected from hyper-text transfer protocol frames, WebSocket protocol frames, TCP frames, and UDP frames. The IoT gateway may include a radio frequency receiver for receiving utility meter usage data transmitted by a utility meter according to one or more existing IoT protocols such as SCM / SCM+, LoRa, NB-IoT. In some options, a network gateway may be integrated with the IoT gateway to provide a single device. The IoT gateway and network gateway may be implemented in a system including the utility meter, a wide area network and an application server or data storage system.

The present invention provides a method for determining the miswiring of a three-phase three-wire electric energy metering device based on current angle, which belongs to the field of electric energy metering technology and includes the following steps: obtaining and processing data such as phase-by-phase active and reactive power; calculating the power factor angle between the voltage and current of the two phases A and C; calculating the angle difference and the angle sum; and determining whether the electric energy metering device is miswired. The present invention uses easily accessible data items such as current and power in an automated meter reading system, and determines whether the electric energy metering device is miswired by calculating the numerical range of the current angle (sum / difference) of the two phases A and C.

The inventions generally relates to an apparatus and method (hardware and operating modes) for a DUAL TRANSCEIVER BOARD MODULE (DTBM) that can be used as an Automatic Meter Reading device (AMR / AMI) for data generators such as utility meters. The DTBM comprises a plurality of transmitter technologies / boards that communication over a plurality of networks such as a public network, cellular network, common carrier network and a third-party network. The apparatus comprises a dual or milti transceiver board set and the methods related to using such an apparatus.

The invention provides an ammeter large model training method and device, a medium and equipment. The method comprises the following steps: acquiring a plurality of electric meter images under various environmental conditions; performing feature extraction on each electric meter image to obtain image features of the electric meter image; marking the image features of the electric meter image according to the reading in each electric meter image to obtain a sample; dividing a plurality of samples corresponding to each electric meter image into a training set and a test set; performing model training by using the training set to obtain a convergent electric meter large model; and determining a performance index of the electric meter large model by using the test set, and deploying a model file of the electric meter large model at a target node after the performance index meets a preset requirement. According to the embodiment of the invention, automatic meter reading of the electric meter can be realized through the large electric meter model obtained through training, the reading of the electric meter can be accurately identified, the error rate of manual meter reading is reduced, the labor cost and the time cost are reduced, and the efficiency is improved.

The invention discloses an automatic meter reading method and system for an instrument in a transformer substation, and relates to the technical field of power station inspection, and the method comprises the steps that meter reading work is completed by meter reading software of the instrument in the transformer substation, and an automatic meter reading module and a meter reading picture analysis module are included; the automatic meter reading module is used for establishing network communication with a computer in a master control room by using a mobile terminal, taking pictures of field instruments through the mobile terminal to obtain meter reading pictures, transmitting the meter reading pictures back to the computer in the master control room, and downloading and transmitting the meter reading pictures to the meter reading picture analysis module for calculation; the meter reading photo analysis module is used for initializing a meter reading photo, positioning a target, calculating instruments contained in the meter reading photo, extracting the contour of the target, recognizing edge coordinates of an instrument pointer in a contour matching mode, and calculating instrument reading pointed by the instrument pointer by searching black and white boundaries in a binarized picture. Manual on-site meter reading can be replaced, the reading of the instrument in the transformer substation is automatically obtained through on-site photo recognition, and an instrument data report is generated.

The utility model relates to the technical field of water meter metering application, in particular to an attached meter reading device. The device comprises a shell and an energy storage unit, and further comprises a microprocessor which is installed in the shell and used for data processing and control command sending, and a power supply circuit which is connected with the energy storage unit and used for supplying power. The non-magnetic metering circuit is connected with the microprocessor and is used for acquiring flow data of a target water meter; the NB-IoT module is used for wireless communication; the shell is provided with a locking assembly used for being connected with a target water meter. The device can be installed on a meter base of a traditional electromechanical water meter to achieve automatic reading and wireless uploading of data, and the effect of carrying out informatization upgrading on the traditional electromechanical water meter is achieved; and the device can replace manual meter reading, and has the advantages of high data reading efficiency and high accuracy.