Portable color Doppler ultrasound device and color Doppler ultrasound system

The utility model discloses a portable color Doppler ultrasound device and a color Doppler ultrasound system. The color Doppler ultrasound system comprises a PC, at least two probes, a probe switchingdevice and the portable color Doppler ultrasound device. Wherein each probe is connected with the probe switching device, and the portable color Doppler ultrasound device is connected with the probeswitching device and the PC; the portable color Doppler ultrasound device controls the probe switching device to identify the plugging state of each probe and switch among the probes; a transmitting excitation signal output by the portable color Doppler ultrasound device is transmitted to the probe through the probe switching device, the probe converts the transmitting excitation signal into an ultrasonic signal and transmits the ultrasonic signal, and the probe receives a feedback echo signal and transmits the echo signal to the portable color Doppler ultrasound device through the probe switching device; and the porta