505 results about "Remote meter reading" patented technology

Method and apparatus for mounting and locating untethered embedded antenna elements in the dielectric cover of electric utility meters configured for but not limited to wireless remote one way or two way radio communications for automated metering applications such as remote meter reading, remote connect/disconnect, home area networking, meter equipment firmware downloads, load management or locations based services. A multiplicity of untethered integral antenna elements and topologies may be located within a replacement dielectric cover for a direct-connect cable free or cable connection to a radio or microwave modem. Also described is a method and apparatus for retro-fitting the antenna elements on the inner face of an existing utility meter dielectric cover.

The invention relates to an image recognition method, in particular to an automatic meter-reading image recognition method, and aims at solving the technical problem of low accuracy and proneness to digital recognition error. The automatic meter-reading image recognition method is simple and convenient to use, capable of accurately recognizing dial plate images and high in accuracy. The technical scheme includes the following steps: a, collecting images of a dial plate by an image collecting device; b, roughly positioning a digit indicating image; c, accurately positioning a digit indicating area image; d, accurately positioning a pointer area image; e, preprocessing the images; f, performing digit division; g, performing digit recognition; h, recognizing angle of a pointer. The automatic meter-reading image recognition method is widely used for recognition of digits of the dial plate in a remote meter reading system.

A technique for remote meter reading (RMR) of a plurality of meters uses visual image devices coupled to pattern recognition technologies to allow unattended meters, gages, registers, screens, and other similar display equipment to communicate their output data without human intervention to a central source and to provide this data on a global network. Historically, meters, gages and similar devices were either read by the human eye or by data-loggers and controllers which transmitted these data to a host system. With this invention the display devices can be read autonomously by the method described herein and a visual graphic of the meter face is transmitted to a host which then recognizes the data value embedded in the visual. Substantial increases in efficiency; performance and economics can be achieved with this invention which introduces the concept of “visualmetering”.

The invention provides an electric energy metering automation simulation laboratory which is used for experimenting, researching and producing an electric energy metering meter or evaluating the running capability of a traditional electric energy meter. A mode of simulating a true power utilization environment is adopted, an actual power utilization site environment is reproduced by using the modes of an interference signal source, a lightning stroke surge signal source, three-phase independent impedance simulation, the true access of an electric appliance and the like, the interference noiseof a power utilization network is recorded by a real-time frequency spectrum and waveform recording system, the running conditions of an electric energy metering device and a remote meter reading system under various power utilization environments are also observed, recorded and calculated, the obtained mass data are analyzed, and the relevant performance parameters of the electric energy metering device and a remote electric energy data collection system are summarized so as to obtain concrete quantitative data and provide a data support for constructing a relevant standard.

The invention discloses a method for a collector to automatically register an electric energy meter and the collector. The method includes the following steps: the collector sets an electric energy meter file for recording electric energy meter information; The communication address command acquires the energy meter information of the electric energy meter to be registered; registers the electric energy meter information of the electric energy meter to be registered in the electric energy meter file. Therefore, the present invention can reduce the workload and maintenance cost of maintenance personnel, and improve the work efficiency and success rate of remote meter reading. In addition, the collector of the present invention can automatically cancel the invalid registered electric energy meter, further improving the accuracy of electric energy meter registration.

The invention discloses an electric power meter reading system and an electric power meter reading method based on a two-dimensional code. The electric power meter reading system comprises a plurality of electric meters, a plurality of concentrators with a communication function, a plurality of portable mobile terminals and a backstage service control end, wherein each electric meter is used for metering electric quantity and converting metering data into a two-dimensional code label; the signal output end of each electric meter is connected with the corresponding concentrator; the signal output end of each concentrator is wirelessly connected with the backstage service control end to send the two-dimensional code label of the corresponding electric meter; each portable mobile terminal is used for acquiring the two-dimensional code label from the corresponding electric meter and is wirelessly connected with the backstage service control end to send the two-dimensional code label of the corresponding electric meter; the backstage service control end is used for analyzing each two-dimensional code label, reading the metering data of each electric meter and storing the metering data in a database. A new method is provided for intelligent meter reading of an electric power system, a remote meter reading technology based on the two-dimensional code is successfully developed, and a system research and development platform is provided for advanced metering of a new intelligent power grid.

The invention discloses an automatic meter reading method by using a micropower wireless module. The method comprises the following steps: starting micropower wireless automatic networking according to a command of a main reading module of a concentrator; at the end of networking, starting meter reading and finding a route reaching a target address; and if the route of the target address is found, starting route meter reading to read data of an electric energy meter, and if no route of the target address is found and route meter reading is failed, starting flooding meter reading. The micropower wireless module used in the method is special wireless communication equipment which is installed on an intelligent electric energy meter and is in communication connection with a micropower wireless communication module of the concentrator to automatically read various parameters of the electric energy meter. The micropower wireless module is mainly used as a data transmission channel between the concentrator and the intelligent electric energy meter. By using the micropower wireless module, automatic networking can be realized. The method is in fully dynamic routing and high in safety and reliability, and can safely and stably read data from the electric energy meter.

The remote intelligent meter reading system of the present invention includes a database server, a data service center, an operation terminal, a concentrator, a collector and a client terminal, and one concentrator can be connected with multiple collectors; the concentrator receives various Effective command and responding to the command, send various operating information of the client to the concentrator, and the energy client includes a gas meter, a water meter or an electric meter. The remote intelligent meter reading system of the present invention integrates non-electric power detection technology, microelectronic control technology, radio technology, wireless digital transmission technology, computer network technology, information security technology and software technology and is independent of water, electricity and gas backbone networks. The extraction and data management of measurement data information of measuring instruments has improved the information management level of the industry.

The present invention provides a remote acquisition meter reading data analysis system. The remote acquisition meter reading data analysis system comprises a monitoring server and data acquisition terminals connected with the monitoring server through GPRS or optical fiber communication; the data acquisition terminals are arranged in each monitoring area and are used for carrying out data acquisition on electric energy meters in each monitoring area; and the data acquisition terminal includes a data acquisition and storage module, an electric energy meter data acquisition module, a pulse quantity acquisition module, an alternating-current analog quantity acquisition module, a historical data processing module, a meter reading daily data processing module and a historical monthly data processing module. The system is used for analyzing remote meter reading data. With the system adopted, a condition that meter reading work is completed manually in the prior art can be avoided, and meter reading efficiency can be improved; abnormal data can be accurately analyzed, so that the quality of meter reading data can be improved; software for analyzing the remote meter reading data is researched and developed; abnormal data obtained by meter reading each time are analyzed based on previous user's electricity quantity and electricity price data, and the accuracy of the analysis on the abnormal data can be improved.

A wireless remote meter reading apparatus and driving method thereof are used to reduce the cost of detecting the amount of energy consumption and to enhance the detection efficiency, so as to facilitate the detection of the energy consumption amount of tap water, gas, electricity, calorie or the like. Each of a set of short-range wireless networks includes meter reading units. Regenerative repeating units and a data centralizing unit configure a cell unit. A base station controller collects meter-reading data from the short-range wireless networks configured by the cell unit via a base station. A meter reading server supplies a control signal to the meter reading units, the regenerative repeating units and the data centralizing unit using a long-range network, such as GSM, GPRS, CDMA, SMSC via a mobile switch or an internet network. The meter reading server is supplied with the meter reading data via the long-range network.

A remote meter reading system is provided. The system comprises a meter reading system for sending metering information of a subscriber via the infrastructure of a mobile communication system; and a remote control system in communication with the meter reading system for collecting the metering information of the subscriber. The metering information is transferred to the remote control system via a short message service (SMS) of the mobile communication system and the mobile communication network operates based on a code division multiple access (CDMA) technology.

A system and method remotely monitor a plurality of meters in a non-wireless service network using a wireless system transmitting short message service messages separate from the non-wireless service network. The system includes a query computer for generating a query message including a command to a selected meter of the plurality of meters, for processing a reply message from the selected meter, with the reply message including a response to the command from the selected meter, and for storing the response in a memory; and a wireless telecommunications network for transmitting completely wirelessly the query message and for transmitting the reply message completely wirelessly from the selected meter to the query computer, for remotely and wirelessly monitoring at least the selected meter in the non-wireless service network. The response in the reply message includes data in a SMS message in a Global System for Mobile Communications format.

The invention discloses a power carrier communication method, which is applied to the remote meter reading of a power carrier network. The power carrier network comprises a concentrator, acquirers and carrier meters, wherein the concentrator is a master node positioned in the uppermost layer of the power carrier network; and the acquirer and the carrier meter are child nodes positioned in every other layer of the power carrier network. By the power carrier communication method, reliable and stable power carrier communication is realized on an unreliable carrier medium by distributed networking and data reading, rapid electric energy information acquisition is realized, the carrier meter reading success rate is increased, and the problems of low meter reading success rate and unstable meter reading in a power carrier remote concentrated meter reading system are solved.

The invention discloses an integrated system for monitoring, management and remote meter reading of a power distribution network. The integrated system is oriented to a large amount and a wide range of power substations of various levels such as small and medium-sized cities, towns and countries. The integrated system comprises a field apparatus and a system main station connected with the field apparatus. The integrated system is characterized in that the field apparatus comprises a remote power distribution terminal and a communication module which is connected with the remote power distribution terminal and in data communication with a communication device. The remote power distribution terminal comprises a power distribution switch monitoring terminal FTU, a power distribution transformer monitoring terminal TTU and an intelligent electric energy meter; the system main station comprises a front end communication unit which is in the data communication with the communication module, a main service system which is in the data communication with the front end communication unit, as well as a database platform, a remote meter reading unit, a monitoring unit and a management unit which are respectively connected with the main service system.

The invention relates to a remote information acquisition system, in particular to a remote meter reading system based on RF and GPRS wireless networks. The invention comprises a wireless digital transmission meter arranged indoors, a relay concentrator and a remote monitoring center arranged in communities or buildings. The wireless digital transmission meter transfers data in a wireless way through an RF module and the relay concentrator. The relay concentrator receives the data uploaded by the wireless digital transmission meter through the RF module, and communicates data with the remote monitoring center through the GPRS module. Monitoring and control centers of water supply, power supply or natural gas companies just need to be equipped with central station machines with internal antennae. A gathering point, such as a community, just needs to be equipped with a relay concentrator. Accordingly, the construction cost of the system is low. Water supply, power supply, natural gas companies or property management departments of communities grasp information about water consumption, power consumption, charging of users and so on in time and accurately by detecting and reading meters automatically by the system. In this way, the management and the service of the companies are improved.

The invention discloses an optimal operation method of main transformers based on economic equivalent analysis, which comprises the following steps of: 1, acquiring power grid operation data in real time by using a power grid economic operation assistant decision-making system, and maintaining and updating the power grid operation data; 2, estimating the operation condition of a power grid by using the power grid economic operation assistant decision-making system according to the acquired power grid operation data; 3, analyzing the loss of the main transformer of each electric power substation in the power grid; 4, analyzing the loss of the whole power grid; 5, comparing and analyzing the estimated value of the whole power grid condition and a load flow calculation value obtained in the step 4 with the power grid operation data acquired from an SCADA (Supervisory Control and Data Acquisition) system and a remote meter reading system in real time to obtain an operation scheme with theminimum main transformer loss; 6, making a decision with the power grid economic operation assistant decision-making system by using an expert system; and 7, adjusting the switching condition of eachmain transformer in the power grid by using the SCADA system.

The invention discloses a low-voltage power line bandwidth carrier concentrator, which consists of a hardware structure and a software structure, wherein the hardware structure consists of a micro controller unit, a data storage unit, an electric quantity storage unit, a power line network bridge communication unit, a GPRS communication unit and a power supply module unit; and the software structure consists of a system scheduling module, a power line network bridge module, an RS485 driving module, a GPRS wireless communication module, and an embedded database module. In the invention, embedded design is adopted, embedded micro controller technology, bandwidth power line carrier technology, GPRS wireless communication technology, embedded database technology, multipath I/O multiplexing technology and the like are integrated, and the GPRS communication module can receive a remote meter reading instruction transmitted by a management center on site, read user electric quantity data, and sends user electric quantity data to the management center through the GPRS communication module. The concentrator is simple in operation and convenient to use and has a high application value and a promising application prospect in the technical field of remote meter reading of a power system.

The invention provides a multimeter remote meter reading system. The system comprises at least one wireless multimeters (10,11,...1N) and a remote meter reading device (20); special ID coders are stored in the wireless multimeters (10,11,... 1N), and the wireless multimeters (10,11,...1N) send the ID coders and measurement data to the remote meter reading device (20) through wireless communication; and the remote meter reading device (20) receives, stores and displays the ID coders and the measurement data. The system which allows the remote meter reading to be realized based on the wireless communication technology, corresponding ID coders to be arranged in the multimeters respectively and the remote storage, management and display of the measurement data to be carried out by the ID coders is convenient for workers to carry and operate, and can effectively avoid the confusion of the measurement data.

The present invention provides a countryside smart power grid remote meter reading system based on a wireless sensing network, wherein the countryside smart power grid remote meter reading system comprises four parts such as sensor nodes, transference nodes, sink nodes and a data service center, remote meter reading, line and device detection, electricity theft prevention and other functions are fused, a new countryside smart power grid construction and detection model is creased, and functions of low cost, efficiency, reliable remote meter reading, line safety detection, electricity theft prevention and the like are achieved. According to the system, the sensor nodes are randomly deployed in a monitoring area, and an ad hoc network manner is adopted to form a sensor network; meter data collected by every node is routed to the sink nodes through a multi-hop manner; the sink nodes perform a primary treatment on the data, and then store the data in the data center; and remote users can access the data in the data center via Internet, and remote task control can be performed.

The invention provides a three-phase prepayment electric energy meter system based on GPRS communication and a control method thereof. The system comprises an electric energy meter and a GPRS server, wherein the electric energy meter comprises an electric energy metering module, a GPRS module, a display module, a micro-processing module, a switch control module and a meter power supply; the GPRS module realizes the remote meter-checking and charging functions so that a user pays dues in a power supply center, and the power supply center can recharge the electric energy meter by the GPRS server; the electric energy meter periodically submits states, used electricity quantity and usable electricity quantity, and the display and control modules are used for displaying the states and the electricity quantity, controlling alarms and switching on/off a switch. The method comprises the following steps: a user firstly purchases and then uses the electricity, and a power supply part remotely checks, recharges and controls the three-phase prepayment electric energy meter. The invention realizes the random meter-checking function, the electric energy meter state monitoring function, the random electric energy meter parameter (such as the rate) updating function and eliminates the hidden danger by the user authentication.

The invention discloses a remote meter reading method, a remote meter reading system and an intelligent electric energy meter, wherein the remote meter reading method comprises the steps that a collection terminal sends a meter reading command to the intelligent electric energy meter by a route server in a Z-Wave network, wherein the meter reading command includes an intelligent electric energy meter address and electric energy meter data item information; after receiving the meter reading command, the intelligent electric energy meter judges whether the intelligent electric energy meter address in the meter reading command is identical with the self electric energy meter address of the intelligent electric energy meter, if so, the intelligent electric energy meter conducts statistics on electric energy meter data according to the electric energy meter data item information; and the intelligent electric energy meter sends the electric energy meter data to the collection terminal by the route server. The Z-Wave network does not rely on a mobile network of an operator, thus facilitating installation, and being capable of reducing the meter reading cost while increasing the meter reading speed.

The invention provides a system and a method for the remote meter reading of a water meter and an intelligent water meter which is applied in the system for the remote meter reading of the gas meter. The system and the method for the remote meter reading of the water meter and the intelligent water meter do not rely on internet, and are high in safety performance, with no need for excessive internet protocol (IP) addresses and excessive mobile communication identification resources and low in cost. The system and the method for the remote meter reading of the water meter and the intelligent water meter are applied, no internet is relied on, so that hackers are not easy to invade, safety performance is high, and no excessive IP addresses are needed. One mobile communication identification can be connected with a plurality of intelligent water meters, so that occupied mobile communication identification resources are less, not every intelligent water meter is need to be provided with a mobile communication module (such as a global system for mobile communications (GSM) module), and cost is low.

The invention discloses a data transmission method of the remote meter reading system, comprising the following: a sender firstly conducts hash operation on x to yield h(x); at the same time, the sender generates a random number which one to one corresponds to sequences pre-stored inside memories of the sender and a receiver; then the sender takes the sequences as keys to encrypt the h(x) with a one time encrypting method to yield b; the b and the random number are transmitted to the receiver; the receiver determines the corresponding sequences according to the random number, and then the receiver takes the sequences as the keys to decrypt the b with the one time encrypting method to yield h(x); at the same time, the sender sorts the x according to the sequences to yield x` which is transmitted to the receiver, and the receiver sorts the x` to yield x``, and then conducts hash operation on x`` to yield h(x``); and the receiver compares the h(x) with the h(x``): if the h(x) is consistent with the h(x``), the x`` is the x, and otherwise, the receiver discards the received data and demands that the sender resend the x according to the above processes.