Instrument and device for determining emission of carbon dioxide at use phase of asphalt mixture

The invention discloses an instrument and device for determining the emission of carbon dioxide at a use phase of an asphalt mixture. The instrument comprises a sealed box body; the box body is internally provided with a temperature control device and an air tester; a light source capable of simulating sunlight illumination is arranged at the top of the box body; a console is arranged on the outer wall of the box body; a controller is arranged in the console; the temperature control device comprises a heating plate and a temperature sensor; the temperature sensor is used for transmitting a temperature signal in the box body to the controller; the controller is used for controlling heating power of the heating plate according to the temperature signal, so that temperature in the box body reaches a pre-set temperature of the console; the controller is used for controlling light illumination intensity of the light source according to the pre-set light illumination intensity of the console; and the air tester is