Pan head perimeter control device of warping machine

The utility model relates to the field of textile equipment, in particular to a control device for controlling the perimeter of a pan head by adjusting the tension of yarns. A pan head perimeter control device of a warping machine comprises a power supply circuit for supplying power, a singlechip, a pressure detection device, an adjusting control device, a coder and a human-machine interface, wherein the singlechip calculates the perimeter of each circle of each pan head; the adjusting control device is electrically connected with the pressure detection device, directly transmits output signals from the pressure detection device to the singlechip, and also receives control signals from the singlechip to directly change the tension values of the yarns; the coder is electrically connected with the singlechip; and the human-machine interface is electrically connected with the singlechip and used for randomly setting the rotational speed of the first pan head to acquire the tension values of the yarns. The device can effectively control the perimeter of the pan head, is convenient for later warp knitting, improves the warp knitting quality, and reduces the waste of the yarns.