Gas generator

The utility model relates to a gas generator which is used for generating volatile gas and comprises a generator shell, a reaction device, a gas inlet device and a liquid conveying device, a liquid outlet of the liquid conveying device is connected with the reaction device, and a gas source of the gas inlet device is connected to the reaction device through a gas conveying pipe; the reaction device comprises a temperature control module and a reaction module. The temperature control module comprises a heat storage block, a heating rod, a temperature sensor and a temperature controller, and the heat storage block is of a hollow interlayer structure; the temperature sensor is used for detecting the heating temperature of the heat storage block; the temperature controller is used for controlling the temperature of the heating rod according to a detection signal of the temperature sensor; the heating rod is arranged in the hollow interlayer of the heat storage block; the reaction module comprises a gas-liquid mix