Solar charging system and portable electronic device using same
A technology for charging systems and electronic devices, applied in the direction of battery circuit devices, circuit devices, current collectors, etc., can solve problems such as high cost, unfavorable application of portable electronic devices, interference, etc., to save manufacturing costs, prolong standby and working hours Effect
Inactive Publication Date: 2010-05-19
QISDA SUZHOU +1
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Problems solved by technology
[0004] However, the solar charging system in the prior art often interferes with the normal charging system, and the switching between the solar charging system in the prior art and the existing charging system makes the circuit design complicated and costly, which is not conducive to the application in thin and short in portable electronic devices
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[0019] In order to have a further understanding of the purpose, structure, features, and functions of the present invention, the following detailed descriptions are provided in conjunction with the embodiments.
[0020] See figure 1 , figure 1 It is a schematic diagram of a solar charging system 1 according to an embodiment of the present invention. The solar charging system 1 is used to charge a battery module 9 of a portable electronic device. The solar charging system 1 includes a solar module 10 , a microcontroller 11 and a linear regulator 12 . The solar module 10 is used for receiving light and generating a first voltage and a first current through photoelectric conversion. In practical applications, the solar module 10 may include solar panels such as monocrystalline silicon, polycrystalline silicon, ribbon silicon or thin film materials. The microcontroller 11 includes an analog-to-digital conversion unit 111 and a general-purpose input and output unit 112. The anal...
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The invention relates to a solar charging system and a portable electronic device using the same. The solar charging system comprises a solar module, a microcontroller and a linear voltage regulator; the solar module is used for receiving light and generating a first voltage and a first current via photoelectric conversion; the microcontroller comprises an analogue digital conversion unit and a universal input and output unit, the analogue digital conversion unit is used for converting the first voltage into a digital voltage signal, the microcontroller has a voltage threshold value; when the digital voltage signal is larger than the voltage threshold value, the universal input and output unit outputs a starting signal, the linear voltage regulator is electrically connected with the solar module and the microprocessor respectively; when the linear voltage regulator receives the starting signal, the linear voltage regulator is started to generate a second voltage and a second current which are used for charging the battery module. By utilizing the invention, the standby time and working time of the portable electronic device can be prolonged.
Description
technical field [0001] The present invention relates to a solar charging system and a portable electronic device using the system, in particular to a solar charging system with a simple circuit that does not affect the functions of other charging systems, and a portable electronic device using the solar charging system. Background technique [0002] With the advancement of technology, the use of various communication devices is becoming more and more common, such as mobile phones, PDAs, and Mobile Internet Devices (MIDs). Portable electronic devices are becoming thinner and smaller. Due to the limitation of power supply, their standby time or talk time are more and more tested. Especially in outdoor places, it is impossible to charge the battery with a common charger to fully charge the battery. [0003] For this reason, people try to utilize solar module to charge battery. Solar modules can receive sunlight or artificial light sources, convert light energy into electrical...
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Login to View More IPC IPC(8): H02J7/00H02J7/35
Inventor 杨明谚李灏平
Owner QISDA SUZHOU