Portable track circuit on-line monitoring recorder

The utility model discloses a portable track circuit on-line monitoring recorder, which relates to the technical field of recorders and comprises a recorder body, and a hardware part of the recorder body comprises a lithium battery power supply module, a sensor module, a signal amplification module, a data processing module and a Bluetooth module. The recorder body software part comprises development of a mobile phone end APP application program and a PC end waveform viewing program; the recorder comprises a recorder body, a rotatable handle is arranged at the end of the recorder body and used for carrying the recorder body, symmetrical rotary locking assemblies are arranged on the back face of the recorder body, each rotary locking assembly comprises supporting legs, the rotary locking assemblies are used for rotating the supporting legs and supporting the recorder body, and the rotary locking assemblies are further used for storing the supporting legs; the purpose of the design is to realize the online meas