Voltage sampling circuit of super capacitor

The invention discloses a voltage sampling circuit of a super capacitor. The voltage sampling circuit comprises a differential amplification circuit and a voltage screening circuit, wherein the differential amplification circuit collects the input voltage of the super capacitor, processes the input voltage of the super capacitor to obtain an adjusted voltage value, and inputs the adjusted voltage value to the voltage screening circuit; and the voltage screening circuit screens and compares the adjusted voltage values and outputs the screened voltage values. According to the invention, the voltage of the super capacitor can be collected and abnormal voltage collection signals caused by a single-particle transient pulse effect can be eliminated, a system control loop is not influenced, and the circuit has the characteristics of simple structure and high reliability. 本发明公开了一种超级电容的电压采样电路，包括：差分放大电路和电压筛选电路；其中，所述差分放大电路，采集超级电容输入电压并对超级电容输入电压进行处理得到调整后的电压值，将调整后的电压值输入给所述电压筛选电路；所述电压筛选电路，将调整后的电压值进行筛选比较，输出筛选后的电压值。本发明能够对超级电容