An adapter assembly, comprising: a first adapter for connecting to a power supply and comprising a first housing, a plurality of first electrical terminals and a plurality of first signal terminals, wherein the length of the plurality of first electrical terminals is larger than the plurality of first signal terminals, and the first housing includes at least one first latching element; and a second adapter for connecting to a control module and comprising a second housing, a plurality of second electrical terminals and a plurality of second signal terminals, wherein the length of the plurality of second electrical terminals is larger than the plurality of second signal terminals, and the second housing includes at least one second latching element; wherein when the first adapter and the second adapter are matched with each other, the first housing sheathes on the second housing, and the at least one first latching element is axially coupled with the at least one second latching element to a first position, wherein the plurality of first electrical terminals and the plurality of second electrical terminals are coupled with each other, when an external force is provided, the first housing is radial with respect to the second housing, and rotates with each other until the at least one first latching element and the at least one second latching element are moved to a second position, so that the first housing and the second housing are securely fastened, and the plurality of first signal terminals are coupled with the plurality of second signal terminals, wherein an enabling signal can be delivered to the control module, so as to enable the power transmission between the plurality of first electrical terminals and the plurality of second electrical terminals, wherein the first adapter comprises an insulation housing, and the insulation housing comprises an insulation cover, the insulation cover has a plurality of through holes disposed in correspondence to the plurality of first electrical terminals and the plurality of first signal terminals, when the insulation housing is correspondingly inserted in the first housing, the insulation cover covers one side of the insulation housing, the plurality of first electrical terminals and the plurality of first signal terminals are covered by the insulation cover and to be protected within the insulation housing, and the insulation housing is rotatable fastened to the first housing; characterized in that: the insulation housing comprises at least one protruding pin, the at least one protruding pin is disposed on an outer edge of the insulation cover and protruded outwardly from the outer edge of the insulation cover, and the second housing includes at least one guiding groove, the at least one guiding groove is disposed on the inner surface of the second housing, and is in correspondence to the at least one protruding pin for guiding the at least one protruding pin to be securely disposed along the at least one guiding groove. a first adapter for connecting to a power supply and comprising a first housing, a plurality of first electrical terminals and a plurality of first signal terminals, wherein the length of the plurality of first electrical terminals is larger than the plurality of first signal terminals, and the first housing includes at least one first latching element; and a second adapter for connecting to a control module and comprising a second housing, a plurality of second electrical terminals and a plurality of second signal terminals, wherein the length of the plurality of second electrical terminals is larger than the plurality of second signal terminals, and the second housing includes at least one second latching element; wherein when the first adapter and the second adapter are matched with each other, the first housing sheathes on the second housing, and the at least one first latching element is axially coupled with the at least one second latching element to a first position, wherein the plurality of first electrical terminals and the plurality of second electrical terminals are coupled with each other, when an external force is provided, the first housing is radial with respect to the second housing, and rotates with each other until the at least one first latching element and the at least one second latching element are moved to a second position, so that the first housing and the second housing are securely fastened, and the plurality of first signal terminals are coupled with the plurality of second signal terminals, wherein an enabling signal can be delivered to the control module, so as to enable the power transmission between the plurality of first electrical terminals and the plurality of second electrical terminals, wherein the first adapter comprises an insulation housing, and the insulation housing comprises an insulation cover, the insulation cover has a plurality of through holes disposed in correspondence to the plurality of first electrical terminals and the plurality of first signal terminals, when the insulation housing is correspondingly inserted in the first housing, the insulation cover covers one side of the insulation housing, the plurality of first electrical terminals and the plurality of first signal terminals are covered by the insulation cover and to be protected within the insulation housing, and the insulation housing is rotatable fastened to the first housing;