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Electricity meter

About: Electricity meter is a research topic. Over the lifetime, 7894 publications have been published within this topic receiving 42430 citations. The topic is also known as: electric meter & electrical meter.


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Patent
03 Nov 2017
TL;DR: In this paper, an on-line monitoring method and device for the energy efficiency of a central air conditioning system is presented, which is based on the correlation between the electric data acquired by an intelligent electricity meter and the central air condition system.
Abstract: The invention provides an on-line monitoring method and device for the energy efficiency of a central air conditioning system. The on-line monitoring method for the energy efficiency of the central air conditioning system comprises the steps that according to electric data of the central air conditioning system, the energy consumption condition of the central air conditioning system is acquired based on an energy consumption model of the central air conditioning system; and the energy efficiency condition of the central air conditioning system is calculated based on the energy consumption condition of the central air conditioning system. According to the on-line monitoring method and device, by means of data processing of the historical operation parameters of the central air conditioning system, simulation modeling is carried out on the energy consumption of the central air conditioning system, then the correlation between the electric data acquired by an intelligent electricity meter and the central air conditioning system is analyzed, the real-time energy consumption of the central air conditioning system and all parts can be obtained by obtaining the electric data in real time, and then the energy efficiency conditions of the central air conditioning system and all the parts can be analyzed; and the problem that required parameters for existing on-line recognition of the energy efficiency of the central air conditioning system are complex can be solved.

16 citations

Patent
13 Nov 2013
TL;DR: In this paper, an energy management system and a management method for a multi-interface alternating current charging pile of an electric automobile is presented, which includes an intelligent electricity meter, an exterior communication module, a micro-control unit, a human-computer interaction interface, an identity identification peripheral, a current detection module, charging interfaces and a communication module.
Abstract: The invention discloses an energy management system and a management method for a multi-interface alternating current charging pile of an electric automobile. The energy management system for the multi-interface alternating current charging pile of the electric automobile comprises an intelligent electricity meter, an exterior communication module, a micro-control unit, a human-computer interaction interface, an identity identification peripheral, a current detection module, charging interfaces and a communication module; a signal input terminal of the micro-control unit is connected with a signal output terminal of the current detection module; a signal output terminal of the micro-control unit is connected with a charging interface module; the signal output terminal of the micro-control unit is also connected with the identity identification peripheral; an input terminal and an output terminal of the micro-control unit are connected with the human-computer interaction interface; the micro-control unit is connected with the intelligent electricity meter; the micro-control unit obtains power grid information from the intelligent electricity meter. According to the energy management system and the management method for the multi-interface alternating current charging pile of the electric automobile, the power provided through every interface is managed according to the connected electric automobile, the multi-interface alternating current charging pile operating within the range of rated power or preset power is guaranteed, power supply reliability of the electric automobile is improved, utilization rate of the charging pile is improved, and popularization and application of the charging pile are promoted.

16 citations

Patent
21 Nov 2012
TL;DR: In this article, the authors proposed an electric power remote centralized meter reading system, comprising inner-outage electric energy meters, a collector, a concentrator and a remote centralized reading master station.
Abstract: The invention provides an electric power remote centralized meter reading system, comprising inner-outage electric energy meters, a collector, a concentrator and a remote centralized meter reading master station, wherein the remote centralized meter reading master station comprises an electricity meter management unit, a system management unit, a data acquisition unit and a power transmission control unit, the uplink communication of the concentrator is connected with the remote centralized meter reading master station through a wireless communication network, the downlink communication of the concentrator is connected with the multi-group uplink communications of the collector through low voltage power line carrier waves, and the downlink communication of the collector is connected with a plurality of inner-outage electric energy meters through a RS485 bus. According to the invention, by using existing carrier wave centralized meter reading system as a base and using in combination with common inner-outage electric energy meters, under the control of the remote centralized meter reading master station, the prepaid function and the power transmission control function of the remote meter reading system are realized, and the problem of reclaiming electric charge that had plagued the power sector for a long time is thoroughly solved.

16 citations

Patent
11 Apr 2012
TL;DR: In this article, a wireless power meter reading system and control method belonging to the power system filed is described, which consists of a power meter data acquisition unit and a data concentrator.
Abstract: The invention discloses a wireless power meter reading system and control method thereof, belonging to the power system filed. The system comprises a power meter data acquisition unit and a power meter data concentrator, wherein the power meter data acquisition unit comprises a power supply module, single chip machine and a first radio frequency transmission module, wherein the power supply module is used for supplying power to the single chip machine and the first radio frequency transmission module; the single chip machine is used for acquiring power meter data and transmitting the power meter data to the power meter data concentrator in mode of radio signal through the first radio frequency transmission module; the power meter data concentrator comprises a power supply module, an MCU (Micro-programmed Control Unit), a second radio frequency transmission module and a GPRS (General Packet Radio Service) module, wherein the power supply module is used for supplying power to the MCU, the MCU is used for receiving the power meter data in mode of radio signal through the second radio frequency transmission module and transmitting the power meter data submitted to process to a remote platform trough the GPRS module. According to the invention, automatic acquisition of power meter data is realized without changing the original user power meter, so that the invention can be popularized easily.

16 citations

Patent
10 Jul 2013
TL;DR: In this article, a real-time interactive long-distance fee-control management system is presented, which is characterized by comprising a marketing information collection host machine, a long-range control host machine and an intelligent electric meter.
Abstract: The invention relates to a real-time interactive long-distance fee-control management system which is characterized by comprising a marketing information collection host machine, a long-range control host machine and an intelligent electric meter The intelligent electric meter is communicated with the long-range control host machine through a general packet radio service (GPRS) network A control method of the fee-control management system comprises the following steps of (a) building a user; (b) collecting information of the user; (c) conducting standard comparison; (d) executing an early-warning mode; (e) executing a power-off approval mode; (f) executing an electricity recovery mode; (g) conducting state inspection; and (h) initiatively reporting an intelligent electric meter The fee-control management system and the fee-control management method execute alarming and power-off and electricity recovery services according to measurement results; alarming is carried out through various channels as for users reaching an alarming scope, and whether powering off or electricity recovery is carried out or not is carried out by manual checking as for users reaching a power-off or electricity recovery scope, and instructions are sent to a master station and long-distance powering off or electricity recovery is carried out through the master station as for approved users

16 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202396
2022222
2021142
2020411
2019607
2018719