Intelligent electric energy meter
A technology for electric energy meters and electric energy measuring equipment, which is applied in the field of electric energy meters and can solve the problems of limited power line detection operation, easy to burn out electric energy meters, and the measurement accuracy of electric energy meters needs to be improved.
Inactive Publication Date: 2017-10-03
石媛
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Problems solved by technology
Therefore, the electric energy meter cannot be selected too large
If the selection is too small, it is easy to burn out the electric energy meter
[0008] Electric energy meters in the prior art are developing towards intelligence, such as providing remote meter reading interfaces, etc., but generally speaking, the electric energy meters in the prior art have the following defects: (1) the measurement accuracy of the electric energy meter still needs to be improved; 2) The function of the electric energy meter is single, and it is still limited to the detection operation of the power line, and the public space occupied by the electric energy meter is not fully utilized, such as the public space in the stairwell
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[0021] The implementation of the intelligent electric energy meter of the present invention will be described in detail below with reference to the accompanying drawings.
[0022]The working principle of the electric energy meter is as follows: when the electric energy meter is connected to the circuit under test, an alternating current flows in the current coil and the voltage coil, and the two alternating currents generate alternating magnetic flux in their iron cores respectively. The alternating magnetic flux passes through the aluminum disc and induces an eddy current in the aluminum disc; the eddy current is subjected to force in the magnetic field, so that the aluminum disc obtains torque (active torque) and rotates. The greater the power consumed by the load, the greater the current passing through the current coil, the greater the eddy current induced in the aluminum disc, and the greater the torque that makes the aluminum disc rotate. That is, the magnitude of the to...
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The invention relates to an intelligent electric energy meter comprising a FLASH storage device, a three-phase electric energy metering device, a character occurrence frequency detection device and a Lingyang SPCE061A chip. The three-phase electric energy metering device is used for detecting and outputting an active power of a three-phase power line; the character occurrence frequency detection device is used for detecting an occurrence frequency of each character at a staircase; and the Lingyang SPCE061A chip connected with the FLASH storage device, the three-phase electric energy metering device, and the character occurrence frequency detection device is used for controlling the operation of the three-phase electric energy metering device and determining the identity of the character based on the output of the character occurrence frequency detection device. Therefore, identification of the character identity at the elevator room can be realized by using the existing equipment resources and thus the living safety of residents in a building can be guaranteed.
Description
[0001] This invention is a divisional application of a patent with the application number 2016101800446, the application date is March 25, 2016, and the invention name is "Intelligent Electric Energy Meter". technical field [0002] The invention relates to the field of electric energy meters, in particular to an intelligent electric energy meter. Background technique [0003] An electric energy meter is an instrument used to measure electric energy, also known as an electric meter, a fire meter, or a kilowatt-hour meter, and refers to an instrument for measuring various electrical quantities. [0004] The energy meter is divided according to the purpose, and can be divided into: active energy meter, reactive energy meter, maximum demand meter, standard energy meter, multi-rate time-sharing energy meter, prepaid energy meter (coin type, magnetic card type, Electric card type), loss electric energy meter, multi-function electric energy meter and intelligent electric energy me...
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IPC IPC(8): G01R22/06G06K9/00G06K9/62G06K9/38
CPCG01R11/02G01R22/06G01R22/061G06V40/103G06V10/28G06F18/22
Inventor不公告发明人
Owner石媛