Initiating explosive device loop resistance test circuit system

The utility model relates to the technical field of rockets, and provides an initiating explosive device loop resistance test circuit system, which comprises a first power supply, a second power supply, an initiating explosive device loop and a voltage detection module, the output end of the second power supply is connected in series with a second switch and a current-limiting resistor, and the voltage of the second power supply is smaller than that of the first power supply; the initiating explosive device loop comprises a third switch, an initiating explosive device branch and an optocoupler module, the first end of the third switch is connected with the first switch and the current-limiting resistor, the initiating explosive device branch and the optocoupler module are connected between the second end of the third switch and the negative electrode of the first power supply in parallel, and the optocoupler module is used for detecting the working state of a path where the third switch is located during test