Yarn breaking detection device reaches broken yarn detection and control device and yarn fastening device including it

The utility model discloses a yarn breaking detection device, including base member and sensor, wherein, the base member middle part is provided with the through -hole, crosses the yarn hole and passes base member and through -hole so that the yarn passes, and the sensor is installed inside the base member, passes the yarn in yarn hole through the sensor detection. The utility model also discloses a broken yarn detection and control device, including above -mentioned yarn breaking detection device and controller, during the broken yarn, sensing signal that controller receiving sensor sent sends alarm signal and control installation yarn breaking detection device's device is shut down. The utility model also discloses a yarn fastening device of including above -mentioned broken yarn detection and control device. The utility model discloses a sensor can detect yarn fastening's the winding condition often, in time discovers the broken yarn. The yarn fastening device passes through yarn breaking detection device