Aging attenuation test system for nitrogen-oxygen sensor assembly

The utility model discloses an aging attenuation test system for a nitrogen oxygen sensor assembly. The aging attenuation test system comprises an upper computer, a USB-to-CAN card, an aging control module, a 24V/12V adjustable power supply, a probe fixing frame, a gas tank and a gas distribution device, the upper computer is connected with the USB to CAN card, the USB to CAN card is connected with the aging control module, and the aging control module is connected with the 24V/12V adjustable power supply; the probe fixing frame is provided with three groups of nitrogen and oxygen detection assemblies, each group of nitrogen and oxygen detection assemblies is composed of a nitrogen and oxygen sensor probe and a nitrogen and oxygen sensor controller, the nitrogen and oxygen sensor probes are connected with the probe fixing frame, and the nitrogen and oxygen sensor probes are connected with the nitrogen and oxygen sensor controller through wire harnesses. According to the utility model, batch aging of nitrogen-