| With the development of residents infrastructure and the increasing numberof water meter, electric meter, gas meter and heat meter.the industry and companyurgently want to solve the problem of automatic meter reading. The existing meterreading method has many problems such as high cost, high consumption, smallscale networking, and line interference, a new wireless meter reading method isproposed. A set of remote wireless meter reading system based on ZigBeetechnology and GPRS network is deaigned, ZigBee technology is used for localarea network and GPRS technology is used for wide area network. The builtsystem has low cost, low consumption,ad-hoc netwok,self-adaptive and othercharacteristics, it as well as has strong portability and compatibility.The whole wireless meter reading system is made up of host computer,concentrator modules, router module and data acquisition module. The data whichtransmits by controller can be called, processed and stored; a variety of operatinginstructions which can set the various operating parameters can be send tocontroller by host computer. The concentrator is the convergence of the entiresystem data, which can complete data conversion between ZigBee network andGPRS network, and transport the collected data to the host computer. In order toincrease the stability of the network, the repeaters are added in the network. Thefunction of the routers is management the network sub-node to insure the data canbe efficiently transmitted to the concentrator. The mainly task of collector can bedescribed as data acquisition, processing and upload.The test results on the site show that the wireless meter reading system notonly can accomplish data acquisition and transmission accurately and quickly but also has strong anti-interference ability and wide application scope.The wirelessmeter reading system which can be used in the field of smart home and gasdetection of colliery with some sensors have market value and applicationprospect. |
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