Module stacking type data acquisition device and underwater vehicle

The embodiment of the invention provides a module stacking type data acquisition device and an underwater vehicle using the module stacking type data acquisition device, the module stacking type data acquisition device is used for testing signals in the underwater vehicle, and the data acquisition device comprises a main control module 1, a group of functional modules 2, a power supply module 3, a group of connecting screws 4 and a group of bus connectors 5. The main control module 1 and the power supply module 3 are respectively arranged at two ends of the data acquisition device, and the group of function modules 2 are connected through the group of bus connectors 5, then are stacked and inserted in the middle of the data acquisition device, and are locked and fixed through the group of connecting screws 4. According to the technical scheme of the invention, the structural form of the data acquisition device can flexibly meet the requirements of various signal tests in a compact space in an underwater vehic