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Sensor device with a capacitive sensor for motor vehicles
A sensor device for a motor vehicle for detecting an operation by a user. The device comprises at least one capacitive sensor which has a sensor electrode (5, 11, 12, 13), which is coupled to a control and evaluation circuit (4). The sensor electrode has a primary detection section which extends adjacent to a detection region into which a body part of a user is moved for operation purposes. The sensor electrode is accommodated in a housing (2) which runs, in sections, between the sensor electrode and the detection region (7). The sensor electrode (11, 12) is provided, in the region of the primary detection section, for increasing the electrical field in sections, with recesses and/or openings which are delimited by edges (11a, 12a), so that a length at the limiting edges, which length is increased in relation to a continuous electrode area, is present in the primary detection section.
一种适用于机动车辆的传感器装置，其用于检测使用者进行的致动，包括至少一个电容传感器，该电容传感器具有耦合至控制和评估电路(4)的传感器电极(5、11、12、13)。传感器电极具有主检测部段，该主检测部段紧邻使用者为了致动而将身体部位放入其中的检测区域延伸。传感器电极15容纳在壳体(2)中，该壳体逐段地在传感器电极与检测区域(7)之间伸长。为了电场的逐段提高，在主检测部段的区域中，传感器电极(11、12)配备有由边棱(11a、12a)限定的凹槽和/或开口，使得在主检测部段中存在有与连贯的电极区域相比增大的限定性边棱长度。
Sensor device with a capacitive sensor for motor vehicles
A sensor device for a motor vehicle for detecting an operation by a user. The device comprises at least one capacitive sensor which has a sensor electrode (5, 11, 12, 13), which is coupled to a control and evaluation circuit (4). The sensor electrode has a primary detection section which extends adjacent to a detection region into which a body part of a user is moved for operation purposes. The sensor electrode is accommodated in a housing (2) which runs, in sections, between the sensor electrode and the detection region (7). The sensor electrode (11, 12) is provided, in the region of the primary detection section, for increasing the electrical field in sections, with recesses and/or openings which are delimited by edges (11a, 12a), so that a length at the limiting edges, which length is increased in relation to a continuous electrode area, is present in the primary detection section.
一种适用于机动车辆的传感器装置，其用于检测使用者进行的致动，包括至少一个电容传感器，该电容传感器具有耦合至控制和评估电路(4)的传感器电极(5、11、12、13)。传感器电极具有主检测部段，该主检测部段紧邻使用者为了致动而将身体部位放入其中的检测区域延伸。传感器电极15容纳在壳体(2)中，该壳体逐段地在传感器电极与检测区域(7)之间伸长。为了电场的逐段提高，在主检测部段的区域中，传感器电极(11、12)配备有由边棱(11a、12a)限定的凹槽和/或开口，使得在主检测部段中存在有与连贯的电极区域相比增大的限定性边棱长度。
Sensor device with a capacitive sensor for motor vehicles
适用于机动车辆的包括电容传感器的传感器装置
VAN GASTEL PETER (author) / ELSSNER MICHAEL (author) / GORNIK ANDREAS (author) / KALESSE MICHAEL (author)
2020-08-04
Patent
Electronic Resource
Chinese
SENSOR DEVICE WITH A CAPACITIVE SENSOR FOR MOTOR VEHICLES
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