The utility model discloses an outdoor collection accuse chamber door automatic switching device of current conversion station mainly contains four parts: horizontal transmission device, vertical transmission, chucking device, control circuit. Only need press the knob down alright through the automatic off state that opens who realizes the door of action time sequence of each part of device, cancel equipment such as door handle on original device, transfer line totally, the switch of door is realized through two micro motor of two pushbutton control, when closing the door, rotates closed condition, the vertical transmission family of a general chucking of rethread through the horizontal transmission device family of a general, when opening the door, withdraw from the chucking device through vertical transmission earlier, the horizontal transmission family of a general of rethread rotates the open mode. And the door all has two spring leafs to detect its state under various states, can guarantee that division off state of door is more reliable, operates simplyr.