The application discloses a multi-protocol compatible BMS calibration equipment communication conversion module and a control method, and belongs to the technical field of battery
management system production testing. The module comprises: an MCU, which is used for storing communication protocols of various BMS chips and performing protocol conversion; a first
communication interface, which is connected with a BMS
programming equipment; a second
communication interface, which is connected with a BMS board to be tested; a man-
machine interaction unit, which comprises a key module and a display module, and is used for locally selecting a
chip model and displaying a state; and a
firmware upgrade interface, which is used for online updating a protocol. The control method comprises the following steps: connecting modules in series; selecting a
chip model through a key, loading a protocol by the MCU, and controlling an analog switch to automatically switch channels; after receiving a
programming instruction, converting the
programming instruction into a frame format recognizable by a target
chip and delivering the frame format; returning the response data after reverse conversion, and completing a calibration
closed loop; and online updating a new chip protocol through the
firmware upgrade interface. The application realizes multi-protocol compatibility, local operation and online
upgrade, shortens an
adaptation period, and reduces equipment cost.