Motor vehicle detects uses vortex machine drive circuit

The utility model belongs to the technical field of the motor vehicle detects, a motor vehicle detects uses vortex machine drive circuit is proposed, including pulse width adjusting module, IGBT module, the power module who all is connected with the controller, pulse width adjusting module includes the first interface of being connected through optical coupling isolation module and controller, andfirst interface is connected with the PWM chip, and the IGBT module is continuous with the vortex machine module, and the vortex machine module includes in proper order vortex machine protection circuit, the vortex machine who is connected with the IGBT module, and vortex machine and vortex machine power module are connected. The utility model provides an among the prior art motor vehicle to detect the interference killing feature poor, inaccurate, the rough problem of simulated condition resistance loading. 本实用新型属于机动车检测技术领域，提出了种机动车检测用涡流机驱动电路，包括均与控制器连接的脉冲宽度调节模块、IGBT模块、电源模块，脉冲宽度调节模块包括通过光耦合隔离模块与控制器连接的第接口，第接口与PWM芯片连接，IG