Automatic selection and lighting device of signal bulb fuse

Disclosed is a signal-bulb stubble automatic selective point device comprising an analog quantity input unit used for collecting the voltage signal of the alarm channel, the analog quantity input unit is connected between the alarm channel and the control unit, and can input the analog quantity information to the control unit, a switching value input unit used for collecting the switching value information of the semaphore is connected between the semaphore switching value input unit and the control unit, can input the switching value information to the control unit, a switching value output unit used for transmitting the alarm signal created in the control unit to the audible-visual alarm facilities is connected between the audible-visual alarm facilities and the control unit, and a control unit used for making the logical analysis judgement to the inputted analog quantity and the inputted switching value stores and displays the created switching value output information, and simultaneously transmits the ala