A take-up reel includes a frame, a turntable, a cable, an adapter, and a contactless switch, the frame being used to provide a composition of other units, the turntable shaft being disposed in the frame, and the turntable being in the frame Rotating, the cable is wound around the periphery of the turntable to stretch or wind the cable as the turntable rotates, the adapter is disposed inside the turntable, and the external power supply is connected through the turntable Or a signal source, wherein the adapter is provided with a power adapter and a signal adapter, and is disposed at two inner ends of the turntable, wherein the power cable and the signal line are disposed in the cable, so that the power adapter The signal adapter is connected to the signal line by a contactless switch and the power line.一種收線盤，包括有框架、轉盤、電纜線、轉接器與無接點開關，該框架用來提供其他單元的組成，該轉盤軸設在該框架中，並使該轉盤在該框架中進行旋轉，該電纜線繞設在該轉盤外圍，以隨著該轉盤的轉動將該電纜線進行拉伸或收捲，該轉接器設置在該轉盤內部，其穿過該轉盤連接外部的電源或訊號源，其中，該轉接器設置有電源轉接器與訊號轉接器，並配置在該轉盤的內部兩端，該電纜線內設置有電源線與訊號線，使該電源轉接器與該訊號轉接器分別以無接點開關和該電源線與該訊號線連接。
