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    • 4. 发明授权
    • Vehicle tyre pressure checking
    • 汽车轮胎压力检查
    • US09057658B2
    • 2015-06-16
    • US14240003
    • 2012-07-23
    • Peter Norman RosePaul Michael Taylor
    • Peter Norman RosePaul Michael Taylor
    • G01G19/02G01L17/00G01L1/14
    • G01L17/00G01G19/024G01L1/146G01L17/005
    • A sensor array (13) for checking the pressure of a vehicle tire while being moved over the array comprises two sets (14) and (19) of aligned, facing sensor members. The first set (14) of sensor members is formed by slits (15) cut into a plate of metal to form first fingers (16) connected in cantilevered fashion to a first base portion (17), which extend in the direction of intended vehicle movement to free ends (18). The second set (19) of sensor members is formed by slits (20) cut into a plate of metal to form second fingers (21) connected in cantilevered fashion to a second base portion (22), which extend in the reverse of the direction of intended vehicle movement to free ends (23). The fingers of the two sets are aligned and the free ends (18) and (23) are closely adjacent. Each finger is provided with a load sensing system (28, 29) which provides an indication of the load on the finger as the tire moves over the finger. Loads are applied to different positions along the fingers as the tire moves over the array. The sensitivity of the array increases from a minimum for a load applied where the first fingers (16) are attached to the first base portion (17), to a maximum adjacent the free ends (18, 23) of the first and second fingers (16) and (21), and then decreases to a minimum where the second fingers (21) are attached to the second base portion (22). The fingers may be replaced by series of individual sensing elements (42) arranged in groups so as to constitute sensor members, whose outputs are weighted so that the sensitivity varies in a similar manner along a sensor member.
    • 用于在车辆移动过程中检查车辆轮胎的压力的传感器阵列(13)包括对准的面对传感器构件的两组(14)和(19)。 传感器构件的第一组(14)由切割成金属板的狭缝(15)形成,以形成以悬臂方式连接到第一基部(17)的第一指状物(16),该第一基部部分沿着预期车辆的方向延伸 运动到自由端(18)。 传感器构件的第二组(19)由切割成金属板的狭缝(20)形成,以形成以悬臂方式连接到第二基部(22)的第二指(21),第二基部 预期的车辆运动到自由端(23)。 两组的手指对齐,自由端(18)和(23)紧密相邻。 每个手指设置有负载感测系统(28,29),当轮胎在手指上方移动时,该负载感测系统提供手指上的负载的指示。 当轮胎在阵列上移动时,负载沿着手指施加到不同的位置。 阵列的灵敏度从第一指状物(16)附着到第一基底部分(17)上施加的载荷的最小值增加到与第一和第二手指的自由端(18,23)相邻的最大值 16)和(21),然后在第二手指(21)附接到第二基部(22)的同时减小到最小。 手指可以由一系列以组合布置的各个感测元件(42)代替,以构成传感器构件,其输出被加权,使得灵敏度沿着传感器构件以类似的方式变化。