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A multi-power supply device for embedded equipment and its intelligent switching method

A technology of embedded equipment and power supply devices, which is applied in the direction of battery circuit devices, circuit devices, emergency power supply arrangements, etc., and can solve the problem of single power supply type, lack of intelligent control means for power supply selection and switching, and lack of real-time monitoring of embedded equipment power supply devices means and other issues to achieve the effect of improving reliability and safety

Active Publication Date: 2016-03-02
NANJING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

In the existing technical means, the power supply device for embedded equipment often has a single type of power supply, most of which are directly powered by commercial power after stepping down; there are also some equipment that use solar power as power supply, but their choice of power supply And switching lacks corresponding intelligent control means
At the same time, the existing technology lacks real-time monitoring means for embedded equipment power supply devices, and it is impossible to detect and solve problems in advance through detection and monitoring in a timely manner.

Method used

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  • A multi-power supply device for embedded equipment and its intelligent switching method
  • A multi-power supply device for embedded equipment and its intelligent switching method
  • A multi-power supply device for embedded equipment and its intelligent switching method

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Embodiment Construction

[0030]Below in conjunction with accompanying drawing, the technical scheme of the present invention is described in further detail:

[0031] The voltage detection circuit in the present invention detects whether the voltage of the power supply is within a normal range to ensure that the power supply voltage is sufficient to supply power to the power supply bus and the system can work normally; the branch power supply state detection circuit detects whether the mains and solar power are abnormally powered state, and combined with the photosensitive circuit module to give the fault diagnosis information of the solar power supply branch; the battery power detection circuit, which detects the real-time power of the battery; the battery charging management circuit, which controls whether to charge the battery according to the remaining power of the battery, as well as the charging accuracy and Speed; battery power detection and charging management form a negative feedback loop, embe...

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Abstract

The present invention disclosed a multi -power supply device and its intelligent switching method of embedded device, which uses three power supply of solar panels, municipal power and battery;Whether the voltage of each power supply power supply is normal; check whether the city electric and solar energy is abnormal power supply through the power supply status of the branch circuit; monitor the battery of the battery in real time through the power detection circuit; the control signal is connected to the coil of the relay to control each through the drive circuit to control eachPassing the power supply road; the speed and accuracy of charging the battery by MCU control; through the LCD display, display the relevant information of the current power supply and real -time alarm information; through the GSM module, send a fault SMS to the maintenance personnel in time.The present invention can realize the seamless intelligent switching of power supply and power supply and intelligent management and control of batteries, discharge intelligence management and control, and improve the reliability of power supply for outdoor unmanned embedded equipment.

Description

technical field [0001] The invention discloses a multi-power supply device for embedded equipment and an intelligent switching method thereof, in particular to a multi-power supply device composed of solar panels, commercial power and storage batteries, and relates to the technical field of power supply control for embedded devices. Background technique [0002] For some important embedded devices for outdoor use, unattended real-time information collection or real-time control, the reliability of the power supply is very important. If the power supply is suddenly interrupted, it will easily cause the loss of important information or cause the entire control system to fail. collapse, causing irreparable damage. The use of multiple power supplies can greatly improve the reliability of the power supply for embedded devices. In addition, for some outdoor embedded devices that are not accessible by the mains, it is a better solution to use a power supply with solar panels and b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/35H02J9/06
CPCY02B10/70
Inventor 张腾飞
Owner NANJING UNIV OF POSTS & TELECOMM
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