Bumper impact pressure sensor

A sensor arrangement structure comprising:

• a bumper beam;
• a shock absorber disposed in front of the bumper beam and having a groove;
• and
• a pressure sensor comprising a sensor tube, wherein the sensor tube is disposed between the bumper beam and the shock absorber, and the groove is configured to arrange the sensor tube,
• the groove comprising an expansion groove portion, the expansion groove portion having a width greater than a width of a rest part of the groove,
• wherein a part of the shock absorber extends to outside an end of the bumper beam in a direction of a width of a vehicle, and the expansion groove portion is located on the part of the shock absorber and outside an end of the bumper beam in the direction of the width of the vehicle,
• wherein the sensor arrangement structure further comprises a sensor cover, the sensor cover covers the shock absorber and the sensor tube on the shock absorber from a rear surface of the shock absorber, the sensor cover has a protrusion, and the protrusion has dimensions correspond to the expansion groove portion,
• wherein the bumper beam extends in the direction of the width of the vehicle, and the protrusion extends toward the sensor tube in a depth direction of the groove perpendicular to the direction of the width of the vehicle.