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1. 发明申请

WO2018069123A1 A CIRCUIT PROTECTION ARRANGEMENT 审中-公开
标题翻译：电路保护装置
公开(公告)号：WO2018069123A1
公开(公告)日：2018-04-19
申请号：PCT/EP2017/075267
申请日：2017-10-04
申请人： AUTOLIV DEVELOPMENT AB , FOUILLEUL, Antoine , JEANNARD, Jean-Francois
发明人： FOUILLEUL, Antoine , JEANNARD, Jean-Francois
IPC分类号： H02H3/24 , H02H3/247
CPC分类号： H02H3/24 , H02H3/243 , H02H3/247 , H02H11/003
摘要： A circuit protection arrangement (11) for use in a vehicle, the arrangement (11) comprising: an input terminal (12) configured to be connected to a power supply (14) to receive a power supply voltage; an output terminal (15) configured to be connected to an electronic circuit (16) to provide an output voltage to the electronic circuit (16); a controllable switch (19) which is connected in series between the input and output terminals (12, 15); a control module (20) which is coupled to controllable switch (19); a voltage buffer module (21) coupled to the input terminal (12), the voltage buffer module (21) being configured to store electrical energy and to provide a buffer output voltage for a predetermined length of time, the buffer output voltage being substantially equal to the power supply voltage; and a detection module (27) coupled to the input terminal (12), the voltage buffer module (21) and the control module (20), the detection module (27) being configured to detect if the power supply voltage is substantially equal to the buffer output voltage and to provide: a first control signal to the control module (20) if the power supply voltage is substantially equal to the buffer output voltage, and a second control signal to the control module (20) if the power supply voltage is lower than the buffer output voltage, wherein the control module (20) is configured to control the controllable switch (19) to: switch on in response to the first control signal so that the protection arrangement (11) provides a voltage at the output terminal (15) which is substantially equal to the power supply voltage, and switch off in response to the second control signal so that the protection arrangement (11) does not provide a voltage at the output terminal (15) to protect an electronic circuit (16) connected to the output terminal (15).
摘要翻译：一种用于车辆中的电路保护装置（11），所述装置（11）包括：输入端子（12），其被配置为连接到电源（14）以接收电源电压; 输出端子（15），被配置为连接到电子电路（16）以向所述电子电路（16）提供输出电压; 一个可控开关（19），它串联在输入和输出端（12,15）之间; 控制模块（20），其连接到可控开关（19）; 耦合到所述输入端子（12）的电压缓冲模块（21），所述电压缓冲模块（21）被配置为存储电能并提供预定时间长度的缓冲输出电压，所述缓冲输出电压基本相等到电源电压; 和耦合到所述输入端子（12），所述电压缓冲模块（21）和所述控制模块（20）的检测模块（27），所述检测模块（27）被配置为检测所述电源电压是否基本等于所述缓冲器输出电压并且如果所述电源电压基本上等于所述缓冲器输出电压则向所述控制模块（20）提供第一控制信号，并且如果所述电源电压低于所述缓冲器输出电压，其中所述控制模块（20）被配置为控制所述可控开关（19）以：响应于所述第一控制信号而接通，使得所述保护装置（11）在所述输出端处提供电压（15），其基本上等于电源电压，并且响应于第二控制信号而断开，使得保护装置（11）不在输出端子（15）处提供电压以保护电子电路 16 ）连接到输出终端（15）。

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