Sensor light and a system for preventing false triggering of a sensor

A sensor light, comprising:

• a sensor module configured to measure incoming infrared light radiated to the sensor module, and generate a trigger signal when the measured infrared light meets a preset condition;
• a light emitting module configured to emit light;
• a power drive circuit connected to the sensor module and the light emitting module, and configured to receive the trigger signal from the sensor module, and control the light emitting module to emit light in response to the trigger signal received from the sensor module;
• a Fresnel lens configured to cover the sensor module and concentrate the incoming infrared light for the sensor module, wherein the light emitting module is located outside the Fresnel lens;
• and
• a shielding component disposed between the sensor module and the light emitting module, and configured to shield the sensor module from radiation of infrared light generated by the light emitting module;
• wherein:
• the shielding component originates at a same or lower horizontal level than the sensor module, and surrounds a side of the sensor module, a horizontal level referring to a level of a plane perpendicular to an axis direction of the sensor light;
• a highest horizontal level of the shielding component is greater than a highest horizontal level of the light emitting module;
• and
• the shielding component includes a first layer covered by the Fresnel lens and a second layer that surrounds a side of the Fresnel lens.