Bus voltage sampling circuit and air conditioner

The utility model discloses a bus voltage sampling circuit and an air conditioner, and the bus voltage sampling circuit comprises a rectifier bridge connected with bus voltage, an inversion unit disposed at the output end of the rectifier bridge, and a plurality of filter capacitors disposed between the rectifier bridge and the inversion unit. The voltage-sharing resistors are connected with the filter capacitors in a one-to-one correspondence manner and are connected in series for voltage division, and a voltage sampling point of the bus voltage sampling circuit is arranged between any two adjacent voltage-sharing resistors. Compared with the prior art, the resistance value of the sampling resistor and the power type selection requirement can be reduced, the cost is saved, the layout of a PCB (Printed Circuit Board) is simplified, and the sampling voltage range is expanded. 本实用新型公开了一种母线电压采样电路及空调，所述母线电压采样电路包括与母线电压连接的整流桥、设于所述整流桥输出端的逆变单元、以及多个设于所述整流桥与所述逆变单元之间的滤波电容，还包括与所述滤波电容一一对应连接，并进行串联分压的多个均压电阻，所述母线电压采样电路的电压采样点