Super capacitor test system
ABSTRACT
In recent years, with the rapid development of industry and agriculture, world
energy consumption rate increased dramatically. Therefore, the development of new
energy and energy-saving technology has become a science and technology workers of
the world's top priority. And locomotive braking energy recovery system at home and abroad and
energy saving technology is one of the hot spot in the research,Studies of supercapacitor voltage
detection scheme and on time-domain model of super capacitor, supercapacitor voltage
balancing of electrical parameter analysis of programmes and Super capacitors to
provide support, so as to control strategy provides the theoretical basis for the entire
energy recovery system. Therefore these two studies will be throughout the core content
of the paper.
In this paper, first, the development and application of super capacitor is discussed,
mainly in series super capacitor group of charging and discharging voltage changing
with time curve based on single chip design a testing system, the super capacitor can be
super capacitance in various states of the output voltage changing curves under test.
Design ideas of the system of super capacitor group from every single capacitor voltage
signal, and ends acquisition by resistance step-down network and multi-channel switch
channels switching circuit will voltage signal sent to the A/D converter, microcontroller
receive signals from A/D converter data, and through the keyboard control in the
display circuits showed that the system also devised a PC parts, but for the collected
voltage data is analyzed and save processing. System based on the design of the
software and hardware design of hardware part, modular thought A sampling circuit,
A/D circuit, keyboard and display circuit, etc, the software can be divided into the PC
and lower place machine two parts, PC based on Visual c + + 6.0 design A Visual
interface, easy operation, lower level computer have A/D conversion, keypad scanning,
LED display DengZi program, and parts of independent, convenient Lord procedure call,
facilitate modification, also simplifies the program design work.
