Method and system for detecting nuclear fuel burnable poison core block integrative dimension

The invention discloses a nuclear fuel burnable poison core block comprehensive size detection system which consists of a test desk, a capacitive displacement sensor arranged on a test desk support, a electric appliance control box, a foot-operated switch and a data processing system, wherein the electric appliance control box is respectively connected with the capacitive displacement sensor, the foot-operated switch and the data processing system through respective transmission lines. The electric appliance control box includes a data conversion plate with a data conversion module and an input and output interface, a logic control plate and a power supply conversion plate respectively connected with the data conversion plate, and a transformer connected with the power supply conversion plate, wherein the logic control plate is a function control plate with acousto-optic alarm control and logic judgment control. The invention employs manual charging, automatically records, judges, counts and stores data, and