Microwave Energy Harvesting Using Rectangular Micro-strip Patch Array Antenna

The truck lines, which is an mounting of pipes, is automatically send in to a non-destructive testing technology (X-ray radiography or gamma ray technology) that allows us to check and guarantee the quality of the new oil pipeline. Advanced techniques for this type of control are set to apply a robot Crawler inside the pipeline with a very advanced technology to help us to diagnose the pipelines very wall. However, during the inspection time, the robot Crawler encounters a problem of autonomy. We note for example: to detect the state of welding inside the pipeline, the inspection pipe robot must be equipped with a gamma ray generator or any Non-Destructive Testing (NDT) sensor, resulting in this case in a rapid exhaustion of its battery, which will cause the robot to remain blocked inside the truck line. The first objective was to use the advantage of the pipeline considered as a circular waveguide. The second objective was to design arrays of rectangular patch micro-strip antennas could collect all the microwave energy propagated inside oil pipeline with RF-DC converter circuit a high efficiency.