Webcam deactives after 10-15 min with OBS

[Flash Lightning]

My webcam is freezing after 10-15 min. It is an UBS-Webcam and it is working constantly with other programs. After switching the source in the webcam settings and go back to the usb webcam it is working again for 10-15 minutes. Does anybody has expieriences with this problem and a solution available.

Greetings Flash