The invention discloses a wireless meter-reading system for an intelligent electricity-larceny-prevention electric meter of a smart home based on a 3G network, and the objective of the invention lies in providing the system which is higher in reliability and instantaneity. The system comprises an intelligent electric meter, an MSP430F149 microprocessor, a Si4432 module, a concentrator, and a central processor. The intelligent electric meter comprises a metering module, a microprocessor, a signal encryption module, and a signal output module, wherein the metering module, the microprocessor, the signal encryption module and the signal output module are sequentially connected electrically. The signal output module is electrically connected with the MSP430F149 microprocessor, and the MSP430F149 microprocessor is electrically connected with the Si4432 module. The Si4432 module is connected with the concentrator, and the concentrator is connected with the central processor. The system is suitable for a meter-reading system for an intelligent electric meter of the smart home.

Wireless meter-reading system for intelligent electricity-larceny-prevention electric meter of smart home based on 3G network

The invention discloses a remote automatic meter recording system, which comprises an intelligent power meter, a data acquirer, a second power line modem, a low-voltage power grid, a first power line modem, a concentrator, a second modem, a data communication network, a first modem and a remote server meter reading center, wherein the data acquirer is embedded into the intelligent power meter, and is used for converting acquired power data into a data format suitable for power carrier transmission through the second power line modem, and outputting and transmitting the power data through the low-voltage power grid; the data format of the data transmitted by the low-voltage power grid through a carrier is converted by the first power line modem, and the format-converted data is transmitted to the concentrator; the data communication network comprises any one of an optical fiber network, a GPRS (General Packet Radio Service) network, a 3G (3rd-Generation) communication network and a 4G (4th-Generation) communication network. The remote automatic meter recording system has the advantages of high technical level, high reliability, data accuracy, high adaptability, complete functions, small module size and low power consumption.

Remote automatic meter recording system

The present invention discloses a wireless power meter reading system based on the two-dimensional code data transmission. According to the invention, a power meter data collector comprises a single-chip microcomputer and a first radio frequency transmission module. The single-chip microcomputer includes a metering module and a two-dimensional code generating module connected with the metering module. The metering module is used for the power metering purpose. The two-dimensional code generating module is used for converting the power metering information, the coding of a concentrator correspondingly connected with the power meter data collector, and the address coding stored in the concentrator into two-dimensional code labels, and then dynamically displaying the obtained two-dimensional code labels. Each two-dimensional code label is endowed with a unique physical address. The single-chip microcomputer sends the two-dimensional code labels to the power meter data collector in the form of radio signals by means of the first radio frequency transmission module. The power meter data collector comprises an MCU, a second radio frequency transmission module and a GPRS module. The MCU is used for receiving the two-dimensional code labels in the form of radio signals by means of the second radio frequency transmission module, processing the two-dimensional code labels and then outputting the processed two-dimensional code labels by means of the GPRS module.

Wireless power meter reading system based on two-dimensional code data transmission

The invention relates to a power distribution communication business bandwidth prediction method based on communication protocols. The method includes: a power distribution communication system terminal communication bandwidth prediction method, a power distribution communication system master station aggregation node bandwidth prediction method, an electricity consumption information collection system local communication bandwidth prediction method and an electricity consumption information collection system remote communication bandwidth prediction method. The terminal communication bandwidth and the master station aggregation node bandwidth are determined through analyzing the transmission protocol and combining with the features that business data flow is periodic and convergent; the local communication bandwidth and the remote communication bandwidth are determined through the current electricity consumption information collection protocol, related specifications of intelligent electric meters and a typical electricity consumption information collection system local communication system structure, and companioning with parameters such as, net business bytes in uplink and downlink directions, protocol additional bytes, polling frequency and meter reading cycle frame number. According to the method, the problems that the bandwidth prediction method in the prior art is not accurate enough, and has large deviation between the predicted value and the actual required value are overcome.

Power distribution communication business bandwidth prediction method based on communication protocols

The invention relates to the field of power system meter reading and in particular relates to a synchronous electricity consumption information acquisition method and a synchronous electricity consumption information acquisition system. Channels are divided, a concentrator performs centralized reading in a first channel set, and IHD transmits in a second channel set and a third channel set. Therefore, the concentrator and the IHD are not arranged in the same channel set and do not influence with each other. In addition, the multiple channels are simultaneously monitored, the information jumps among the multiple channels according to the preset time length, and the information acquisition efficiency is improved. Meanwhile, the IHD priority is taken as a principle, when the concentrator and IHD are simultaneously monitored, the IHD priority is realized, and when the concentrator acquires the data, the IHD is monitored, and the data acquisition is abandoned so as to switch to IHD, so that the success rate of simultaneously operating the IHD and the concentrator at one time is improved.

Synchronous electricity consumption information acquisition method and system

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.

Wireless power meter reading system and control method thereof

The utility model discloses a wireless power meter reading system and belongs to the field of power systems. The system comprises an electricity meter data acquisition device and an electricity meter data concentrator, wherein the electricity meter data acquisition device comprises a power module, a singlechip and a first radio frequency transmission module; the power module is used for supplying power to the singlechip and the first radio frequency transmission module; the singlechip is used for acquiring the electricity meter data and transmitting the electricity meter data to the electricity meter data concentrator in a radio signal form through the first radio frequency transmission module; the electricity meter data concentrator comprises a power supply module, a micro control unit (MCU), a second radio frequency transmission module and a general packet radio service (GPRS) module; the power supply module is used for supplying power to the MCU; and the MCU is used for receiving the electricity meter data in the radio signal form through the second radio frequency transmission module and transmitting the processed electricity meter data to a remote platform through the GPRS module. By the wireless power meter reading system, the electricity meter data can be fully automatically acquired, the original electricity meters of users are not required to be changed, and the wireless power meter reading system is easily popularized.

Wireless power meter reading system

An embodiment of the invention discloses an object-oriented intelligent power distribution communication business analyzing method and a corresponding device, and divides an intelligent power distribution communication network into a consumer-side network, an access network and a telenet. Objects in the consumer-side network, the access network and the telenet are identified and analyzed to obtain data quantity in each network. According to obtained data quantity in each network, the design, planning, operation, maintenance and the like of the intelligent power distribution communication network are convenient, hierarchical structures of electricity flow and information flow of the intelligent power distribution communication network are easily unified highly.

Object-oriented intelligent power distribution communication business analyzing method and corresponding device

The utility model discloses a safety helmet based on a wireless networking technology, belonging to the field of wireless communication. A pickup in the safety helmet is used for acquiring voice information and sending the voice information to a voice coding module; the voice coding module is used for compressing and coding the voice information and sending the compressed and coded voice information to a network management module; the network management module is used for encapsulating the compressed and coded voice information into a voice data frame and sending the voice data frame through a wireless receiving and transmitting module; the network management module is used for receiving the voice data frame through the wireless receiving and transmitting module, de-encapsulating the voice data frame into a compressed code of the voice information and sending the compressed code to a voice decoding module; the voice decoding module is used for decoding the compressed code of the de-encapsulated voice information and sending the decoded compressed code to a denoising module; and the denoising module is used for denoising the decoded voice information and sending the denoised decoded voice information to an earphone. According to the utility model, the wireless networking technology is applied to the safety helmet, thus multi-user group calling is realized, and the demand can be well met.

Safety helmet based on wireless networking technology

The invention discloses a wireless networking technology-based safety helmet and a data transmission method thereof, belonging to the field of wireless communication. According to the safety helmet, a wireless networking technology is applied to the safety helmet by means of network management modules, multi-user group calling is realized, and the requirements are better met. When the safety helmet is started, an address list capable of being communicated with the safety helmet is initialized, and illegal access of other users in the communication process is prevented, so that the safety of speech communication is ensured; and the phenomenon of data receiving errors caused by collision is prevented by means of a back-off mechanism in the data frame transmission, so that the address list for the safety helmet is successfully initialized.

Xin Xu

Papers

Wireless power meter reading system and control method thereof

Wireless power meter reading system

Object-oriented intelligent power distribution communication business analyzing method and corresponding device

Safety helmet based on wireless networking technology

Wireless networking technology-based safety helmet and data transmission method thereof