公开(公告)号：US11585843B2

公开(公告)日：2023-02-21

申请号：US17589237

申请日：2022-01-31

申请人： CHONGQING UNIVERSITY ,  STAR INSTITUTE OF INTELLIGENT SYSTEMS ,  DB (CHONGQING) INTELLIGENT TECHNOLOGY RESEARCH INSTITUTE CO., LTD. ,  Chongqing Yingdi Industry (Group) Co., Ltd.

发明人： Yongduan Song ,  Shuaicheng Hou ,  Jiawei Chen ,  Mi Fang

IPC分类号： G01R31/26 ,  B60R16/02 ,  H03K17/60

摘要： A detection circuit for open, close and suspension states of a high and low level effective switch in a vehicle. The circuit includes an optocoupler circuit module, a low-level active path module, a high-level active path module, a filtering and debouncing module, a transient suppression module, and a wiring terminal. The optocoupler circuit module is connected to the low-level active path module, the high-level active path module and the low-level active path module are connected in parallel to the filtering and debouncing module, and the filtering and debouncing module is connected to the transient suppression module, and then connected to the external high-level active switch or low-level active switch through the wiring terminal. Whether it is a high-level active switch or a low-level active switch, the detection circuit can distinguish whether the switch is in the closed or suspended state, and the strong and weak voltages are isolated.

公开(公告)号：US20220291276A1

公开(公告)日：2022-09-15

申请号：US17589237

申请日：2022-01-31

申请人： CHONGQING UNIVERSITY ,  STAR INSTITUTE OF INTELLIGENT SYSTEMS ,  DB (CHONGQING) INTELLIGENT TECHNOLOGY RESEARCH INSTITUTE CO., LTD.

发明人： YONGDUAN SONG ,  Shuaicheng Hou ,  Jiawei Chen ,  Mi Fang

IPC分类号： G01R31/26 ,  H03K17/60 ,  B60R16/02

摘要： A detection circuit for open, close and suspension states of a high and low level effective switch in a vehicle. The circuit includes an optocoupler circuit module, a low-level active path module, a high-level active path module, a filtering and debouncing module, a transient suppression module, and a wiring terminal. The optocoupler circuit module is connected to the low-level active path module, the high-level active path module and the low-level active path module are connected in parallel to the filtering and debouncing module, and the filtering and debouncing module is connected to the transient suppression module, and then connected to the external high-level active switch or low-level active switch through the wiring terminal. Whether it is a high-level active switch or a low-level active switch, the detection circuit can distinguish whether the switch is in the closed or suspended state, and the strong and weak voltages are isolated.