High-reliability low-power-consumption high-voltage sampling circuit

The utility model relates to the field of automobile control, in particular to a high-reliability low-power-consumption high-voltage sampling circuit. A high-reliability low-power-consumption high-voltage sampling circuit comprises a battery high-voltage sampling system at a battery end and a relay high-voltage sampling system at a relay end which are connected with each other, the battery high-voltage sampling system is controlled by a first switch controller, and the relay high-voltage sampling system is controlled by a second switch controller. According to the utility model, the first switch controller controls the battery high-voltage sampling system, and the second switch controller controls the relay high-voltage sampling system, so that the high-voltage risk caused by short circuitis avoided. 本实用新型涉及汽车控制领域，尤其涉及一种高可靠性低功耗的高压采样电路。一种高可靠性低功耗的高压采样电路，包括：相互连接的电池端的电池高压采样系统和继电器端的继电器高压采样系统，所述电池高压采样系统受第一开关控制器控制，所述继电器高压采样系统受第二开关控制器控制。本实用新型设计第一开关控制器控制电池高压采样系统、第二开关控制器控制继电器高压采样系统，避免电路短路导致的高压风险。