Local single-phase fee-controlled intelligent electric energy meter
A smart energy meter, single-phase technology, applied in instruments, coin-operated equipment for distributing discrete items, coin-free or similar appliances, etc., can solve the problems of heavy workload and inconvenient management of meter readers
Inactive Publication Date: 2013-06-12
JIANGSU SHENGDE ELECTRIC METER
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Problems solved by technology
[0002] In the prior art, due to the limitations of use occasions, such as cities, rural areas or factories, etc., the workload of meter reading personnel is very large, and it is not easy to manage
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[0012] Below in conjunction with accompanying drawing and specific embodiment the technical scheme is further described as follows:
[0013] refer to figure 1 , a local single-phase fee-controlled intelligent electric energy meter, including a microprocessor, an electric energy meter metering unit, a voltage sampling unit, a current sampling unit and a power supply circuit; the signal output terminals of the voltage sampling unit and the current sampling unit are connected to the electric energy meter for metering The signal input end of the unit; the data output end of the electric energy meter metering unit is connected to the data input end of the microprocessor; the output end of the microprocessor is connected with an LCD display module, a relay control output interface, a second signal output interface, and an electric energy pulse output interface; the control input end of the microprocessor is connected with buttons; the microprocessor is also connected with a clock ci...
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The invention relates to a local single-phase fee-controlled intelligent electric energy meter, which comprises a microprocessor, an electric energy meter metering unit, a voltage sampling unit, a current sampling unit and a power supply circuit, wherein the signal output ends of the voltage sampling unit and the current sampling unit are connected with the signal input end of the electric energy meter metering unit; the data output end of the electric energy meter metering unit is connected with the data input end of the microprocessor; the output end of the microprocessor is connected with an LCD (Liquid Crystal Display) display module, a relay control output interface, a second signal output interface and an electric energy pulse output interface; the control input end of the microprocessor is connected with keys; the microprocessor is additionally connected with a clock circuit, a memory, an infrared communication circuit, an IC (Integrated Circuit) card interface circuit and a serial communication circuit; and the power input end of the power supply circuit is connected with a storage battery, and the power output end of the power supply circuit is respectively connected with the power input end of the electric energy meter metering unit, the power input end of the microprocessor and the power input end of the serial communication circuit. By adopting the technical scheme, the local single-phase fee-controlled intelligent electric energy meter is provided with independent IC card, infrared and RS485 communication interfaces, and therefore the local and remote fee control function is supported.
Description
technical field [0001] The technical proposal belongs to a power metering device, in particular to a local single-phase fee-controlled intelligent electric energy meter. Background technique [0002] In the prior art, due to the limitation of use occasions, such as cities, rural areas or factories and enterprises, the workload of meter reading personnel is very large, and it is not easy to manage. In addition, due to different application situations, there are relatively high requirements for the stability and reliability of the electric energy meter. Contents of the invention [0003] In order to solve the above-mentioned problems existing in the prior art, this technical solution proposes a new single-phase local fee-controlled smart energy meter, as follows: [0004] A local single-phase fee-controlled intelligent electric energy meter, including a microprocessor, an electric energy meter metering unit, a voltage sampling unit, a current sampling unit and a power suppl...
Claims
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Inventor 丁乔乐吴军林江涛徐翔
Owner JIANGSU SHENGDE ELECTRIC METER