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Solar cell charging control circuit

A technology of solar cells and solar panels, which is applied in the field of circuits, can solve the problems that the output power cannot be optimized, the output voltage of solar panels is different, etc., and achieve the effect of weakening the consistency requirements, reducing costs, and reducing the difficulty of installation

Active Publication Date: 2020-07-28
WUXI VOCATIONAL & TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Otherwise, the output voltages of multiple solar panels will be different, and the output power will not be optimized

Method used

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Embodiment Construction

[0020] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0021] Such as figure 1 , figure 2 A solar battery charging control circuit is shown, the circuit includes: a solar battery panel, a switch control circuit 215, a switch circuit and a charging control device 111, the solar battery panel is connected to the charging control device through the switching circuit, and the solar battery panel is also connected to the switch control device circuit, the switch control circuit is connected to the control end of the switch circuit; the solar panel includes a first panel 103 and a second panel 104, the first control switch K1 is connected to the first panel 103, and the second control switch K2 is connected to the second panel 104.

[0022] The positive pole of the first battery board 103 is connected to one end of the first control switch K1, the positive pole of the second battery board 104 is co...

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Abstract

The invention discloses a solar cell charging control circuit, which comprises a solar cell panel, a switch circuit, a switch control circuit and a charging control device, wherein the solar cell panel comprises two cell panels, And the switching circuit comprises two control switches. According to the invention, by connecting the control switches in series between the two cell panels and the charging control device, when the output voltage difference of the two cell panels is large, the two control switches are alternately switched on to provide electric energy for the charging control device, and direct parallel connection between the solar cell panels is blocked under the condition that electric energy transmission is not affected, so that the requirement for consistency of the solar cell panels when the multiple solar cell panels are connected in parallel is reduced so as to reduce the production cost and the installation difficulty and expand the use environment of the solar cellpanels.

Description

technical field [0001] The invention relates to the technical field of circuits, in particular to a solar battery charging control circuit. Background technique [0002] As a renewable energy source, solar energy is rich in resources and has no pollution to the environment. These characteristics make solar energy more and more widely used. At present, the output voltage of a single solar cell commonly used in the market is 12V, and the output power is 60W. In order to get more power, multiple solar panels need to be used in parallel. However, the intensity of sunlight changes greatly with time, and environmental factors will also affect the intensity of light, so the output voltage of the solar panel will not be constant at 12V, and the power will not be constant at 60W. In order to obtain stable voltage and power and improve the utilization rate of solar energy, it is also necessary to use batteries to store the electrical energy output by solar energy. The output voltag...

Claims

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Application Information

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IPC IPC(8): H02J7/35
CPCH02J7/35Y02E10/56
Inventor 李萍徐锋汪菊琴
Owner WUXI VOCATIONAL & TECHN COLLEGE
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