Power consumption management device

An electrical manager and microprocessor technology, applied in electrical components, circuit devices, emergency protection circuit devices, etc., can solve the problems of time-consuming adjustment and inconvenient operation, and achieve the effect of ensuring normal operation.

Inactive Publication Date: 2014-12-24
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a power consumption manager to solve the problems such as time-consuming adjustment of undervoltage and overvoltage when undervoltage and overvoltage occur in the power consumption process, and inconvenient operation.

Method used

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0018] figure 1 shows a schematic structural diagram of the power consumption manager of the present invention, as figure 1 As shown, the power consumption manager includes: a power supply circuit, a voltage sampling circuit, a microprocessor, a working state indication circuit, a drive circuit, a magnetic latching relay, and an energy storage filter capacitor; the input terminal of the power supply circuit is a power supply inlet terminal, The power circuit is connected to a single-phase power line. The power supply circuit outputs a DC power supply to supply power for the microprocessor, drive circuit, magnetic latching relay, and energy storage filter capacitor; the input terminal of the voltage sampling circuit is the grid voltage, and the voltage sampling circuit is also connected to the single-phase power line of the grid, and the voltage sampling circuit Outp...

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Abstract

The invention discloses a power consumption management device. The power consumption management device comprises a power source circuit, a voltage sampling circuit, a microprocessor, a working state indication circuit, a drive circuit, a magnetic latching relay and an energy storage filter capacitor; the input end of the power source circuit is the network voltage, and the power source circuit supplies power to the microprocessor, the drive circuit, the magnetic latching relay and the energy storage filter capacitor; the input end of the voltage sampling circuit is the network voltage, and the voltage sampling circuit outputs voltage signals to the microprocessor; the microprocessor outputs working state information to the working state indication circuit and outputs drive signals to the drive circuit, the drive circuit drives the magnetic latching relay to conduct suction or releasing, and the energy storage filter capacitor provides instant holding power energy for the magnetic latching relay. According to the power consumption management device, the microprocessor is adopted for conducting control processing, the voltage sampling accuracy is improved, the delayed time error is small, adjustment is simple, automatic recovery can be achieved, and the power consumption management device is convenient to operate and low in energy consumption.

Description

technical field [0001] The invention relates to the field of circuit management, in particular to a power consumption manager. Background technique [0002] With the continuous development of my country's industry, various automated and digital high-end household appliances have been widely used, so the requirements for the power supply quality of the power system are getting higher and higher. It is no longer limited to electric lighting, but the voltage Range, frequency and even harmonics all make high demands. [0003] At present, in the power supply of building electrical appliances and rural lighting, single-phase power supply overvoltage or undervoltage often occurs due to disconnection of the neutral line, reverse connection of the phase line and the neutral line, or serious unbalanced three-phase loads. Under certain circumstances, it will damage the service life of household appliances. [0004] At present, over-voltage and under-voltage protection products mainly ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/26H02H3/06H02J13/00
Inventor 潘旭徐永泽杨冲张业冯保全李燕倪新科
Owner STATE GRID CORP OF CHINA
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