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Power supply control system and control method

A technology of power supply control and control method, which is applied in the direction of emergency power supply arrangements, current collectors, electric vehicles, etc., and can solve the problems of small light-receiving area, low photoelectric conversion efficiency, and instability of photoelectric conversion plates

Inactive Publication Date: 2011-03-30
ZHUHAI GAOLING INFORMATION TECH COLTD
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  • Description
  • Claims
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Problems solved by technology

Since solar cells often need to have strong enough light conditions to supply power, and there is a small light-receiving area of ​​the photoelectric conversion plate, the photoelectric conversion efficiency is not high, resulting in unstable problems

Method used

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  • Power supply control system and control method
  • Power supply control system and control method

Examples

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Embodiment Construction

[0022] Such as figure 1 As shown, the present invention includes a power controller 1, a solar battery 2, a storage battery 3, a grid power supply 4 and a load 5, and the power controller 1 is correspondingly connected to the solar battery 2, the storage battery 3, the grid power supply 4 and the load 5, The power controller 1 detects and controls the working states of the solar cell 2, the storage battery 3, and the grid power supply 4 to ensure that power is delivered to the load 5. The grid power supply 4 includes a DC power supply after the mains power is passed through a switching power supply. The power controller 1 includes a working state and voltage detection circuit 11, a power output control circuit 12, an MCU power supply circuit 13, an MCU main control circuit 14, a serial port communication circuit 15, a battery charging state switching circuit 16, and battery overcharge / discharge protection Circuit 17, workers' program control device 18, the MCU power supply cir...

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Abstract

The invention discloses a power supply control system and a control method, which can continuously and stably utilize solar energy, mains supply and storage battery to intelligently switch and supply power and can monitor the power supply situation in real time. The system comprises a power supply controller (1) comprising a working condition and state detection circuit (11), a power supply output control circuit (12), a micro controller unit (MCU) supply circuit (13), an MCU master control circuit (14), a serial communication circuit (15), a storage battery charging state switching circuit (16), a storage battery over charge / discharge protection circuit (17) and a working program-control device (18), wherein the working program-control device (18) comprises an MCU and a control program and is connected with an MCU programming interface, a reset switch and an input and output assisting terminal. The invention can be widely applied to the combined power supply system of the solar energy, the mains supply and the storage battery.

Description

technical field [0001] The invention relates to a power supply control system and a control method. Background technique [0002] With the continuous development of human beings, energy consumption is increasing, and at the same time, the impact on the environment is also increasing. The whole society has turned more attention to the development of new energy sources. The inexhaustible solar energy has undoubtedly become the current One of the development hotspots. Because solar cells often need to have strong enough light conditions to supply power, and there is a small light receiving area of ​​the photoelectric conversion plate, and the photoelectric conversion efficiency is not high, resulting in unstable problems. Therefore, the storage battery is usually charged by a large number of solar cell square arrays, and then the storage battery supplies power to the load. Therefore, it is particularly important for the solar battery system to adopt a better method to control...

Claims

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Application Information

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IPC IPC(8): H02J9/06H02J7/00H02H7/18
CPCY02B10/72Y02B10/70
Inventor 张矿
Owner ZHUHAI GAOLING INFORMATION TECH COLTD
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