| 摘要 |
A sensor module for measuring axle speeds and weights of double-track vehicles which travel in a direction of travel (L) along a carriageway with two lanes includes a plurality of piezoelectric strip sensors (A, B, C, D) that are arranged in a first lane group (I) and a second lane group (II). All the strip sensors (A, B, C, D) are spaced from each other in the direction of travel (L) via a secure longitudinal offset (LAD), which is greater than the maximum wheel contact length, and are offset from one another by between one centimeter and fifteen centimeters in the transversal direction. The sensor module also has a module length (LABCD) of less than 80 centimeters. |
| 主权项 |
1. Sensor module for measuring the axle speeds and weights of two-track vehicles, which travel in a direction of travel (L) along a roadway with two lanes, comprising a plurality of piezoelectric strip sensors (A, B, C, D), wherein all the strip sensors (A, B, C, D) have axial centerlines that are arranged orthogonally (Q) to the direction of travel (L), wherein a first strip sensor and a second strip sensor in a first pair of strip sensors (A, D) are spaced from each other in the direction of travel (L) in a first lane group of the sensor module via a first fixed longitudinal offset (LAD) which is greater than the maximum wheel contact length, wherein a first strip sensor (B) and a second strip sensor (C) in a second pair of strip sensors (B, C) are spaced from each other in the direction of travel (L) in a second lane group of the sensor module via a second fixed longitudinal offset (LBC) which is greater than the maximum wheel contact length, wherein the strip sensors (A, D) of the first lane group are arranged with an offset from the strip sensors (B, C) of the second lane group transversely (Q) to the direction of travel (L), so that each lane group covers a separate lane of the roadway, wherein the first strip sensors (A) of the first lane group and the first strip sensor (B) of the second lane group are arranged with an offset between 1 and 15 cm relative to each other in the direction of travel, wherein the second strip sensors (D) of the first lane group and the second strip sensor (C) of the second lane group are arranged with an offset (LAB or LCD) between 1 cm and 15 cm relative to each other in the direction of travel, and the sensor module has a module length (LABCD) less than 80 cm in the direction of travel. |
