Independent micro-power solar power supply and implementation method thereof

A technology of solar power and solar cells, applied in energy storage, collectors, photovoltaic power generation, etc., can solve problems such as different photovoltaic power generation systems

Inactive Publication Date: 2015-12-23
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For solar power sources that work independently and have small power, there are problems different from those of high-power, networked photovoltaic power generation systems

Method used

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  • Independent micro-power solar power supply and implementation method thereof
  • Independent micro-power solar power supply and implementation method thereof
  • Independent micro-power solar power supply and implementation method thereof

Examples

Experimental program
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Embodiment 1

[0073] Such as Figure 1-4 , a self-contained micro-power solar power supply, including a microcontroller, a solar cell, a super capacitor, a lithium battery, a charge manager, a voltage regulator, and 5 electronic switches;

[0074] The 5 electronic switches are respectively the 1st, 2nd, 3rd, 4th and 5th switches; the 5 electronic switches are all controlled by the microcontroller;

[0075] The first switch is a one-way switch, the positive electrode of the solar cell is connected to the first end of the sampling resistor Rs through the first switch, and the negative electrode of the solar cell is grounded; the second end of the sampling resistor Rs is connected to the common input end of the second switch, and the second switch has 3 switch channels, the first switch channel of the second switch is grounded through the super capacitor; the second switch channel is connected to the input terminal of the charge manager, and the third switch channel is connected to the input t...

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PUM

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Abstract

The invention discloses an independent micro-power solar power supply and an implementation method thereof. The solar power supply comprises a solar cell panel support member and an efficient power supply module. The horizontal azimuth and the inclination angle of the solar cell panel support member can be manually adjusted. The support member comprises a holder frame for supporting a solar cell panel, and a holder for supporting the holder frame. The holder is capable of rotating around a vertical shaft fixed on a bearer. The holder frame is capable of swing around a horizontal shaft inserted into the holder. The power supply module comprises a rechargeable lithium battery, a super capacitor, a battery charging management device, an adjustment voltage stabilizer, a low-power-consumption micro controller and an electronic switch. By means of the power supply, the horizontal azimuth and the inclination angle of the solar cell panel can be adjusted through adjusting the placement azimuth of the holder, so that the solar cell panel is ensured to be at an optimal light-receiving angle. Through measuring the output of a solar cell, the voltage of the super capacitor and the voltage of the lithium battery, the power supply is dynamically managed by the electronic switch under the control of the micro controller. In this way, the solar energy can be efficiently collected, stored and utilized. The requirement of wireless equipment on power supply and cruising ability can be met, wherein the power stage of the wireless equipment is watt-level and below.

Description

technical field [0001] The invention belongs to the field of wireless terminal, equipment power supply and power supply engineering field using solar energy, relates to an independent micro-power solar power supply and its realization method, and is mainly oriented to micro-power fixed-point equipment and wireless sensor nodes powered by batteries and applied outdoors or in the field The power supply and power supply requirements of other devices. Background technique [0002] The rapid development of information technology such as computers, sensors and wireless communications has made the application potential of wireless sensors and their networks more and more, and the demand has increased; but on the other hand, the enhanced requirements for the functions and performance of wireless devices have also made them The requirements for power supply capacity are also getting higher and higher. Limited by the capacity density, manufacturing cost and volume size of the power s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/32H02S20/30H02S40/38G05B19/042
CPCY02E10/50Y02E70/30
Inventor 刘少强陈泽宇樊晓平刘延芳
Owner CENT SOUTH UNIV
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