The invention discloses a low-power-consumption automobile brake lamp switch sensor, which comprises a Hall switch element, an internal U-shaped induction magnet and an external induction iron sheet, and is characterized in that the Hall switch element and the internal U-shaped induction magnet are relatively static; the external induction iron sheet generates relative displacement with the Hall switch element and the internal U-shaped induction magnet along with the movement of the pedal, when the pedal is not stepped down, the head of the automobile brake lamp switch sensor is tightly attached to the external iron sheet, the Hall switch element in the automobile brake lamp switch sensor is in a cut-off state, and two paths of low-level signals are output; when the pedal is treaded down, the head of the automobile brake lamp switch sensor is far away from the external iron sheet, magnetic flux changes, the Hall switch element in the automobile brake lamp switch sensor is in a conducting state, and two paths of high levels are output. Contact abrasion and faults do not exist, and an external magnet is not needed for driving.
本发明公开了一种低功耗的汽车制动灯开关传感器,包括霍尔开关元件,内部U型感应磁铁以及外置感应铁片,所述霍尔开关元件和内部U型感应磁铁相对静止,所述外置感应铁片随踏板的移动与霍尔开关元件和内部U型感应磁铁产生相对位移,当踏板未踩下时,所述汽车制动灯开关传感器头部与外部铁片紧贴,所述汽车制动灯开关传感器内部霍尔开关元件处于截止状态,输出两路低电平信号;当踏板踩下时,所述汽车制动灯开关传感器头部与外部铁片远离,磁通量发生变化,所述汽车制动灯开关传感器内部霍尔开关元件处于导通状态,输出两路高电平。本发明没有接触磨损和故障、无需外部磁铁去驱动。
Low-power-consumption automobile brake lamp switch sensor
一种低功耗的汽车制动灯开关传感器
12.04.2022
Patent
Elektronische Ressource
Chinesisch
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / H01H Elektrische Schalter , ELECTRIC SWITCHES |
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