防短路检测装置及用户终端制造方法及图纸

一种防短路检测装置(10)及用户终端(20)，包括探针(11)、检测电阻(RS)、切换电路(13)及检测电路(15)；所述探针(11)与用户终端(20)的电源端口(Vbus)及地端口(GND)间隔设置，且所述探针(11)的至少一部分位于所述电源端口(Vbus)和所述接地端口(GND)之间；所述检测电阻(RS)的第一端与用户终端(20)的电源电路(21)电性连接，所述检测电阻(RS)的第二端与所述探针(11)电性连接；所述切换电路(13)与所述检测电阻(RS)的第一端及用户终端(20)的处理器(23)电性连接，用于在所述处理器(23)的控制下切换接地或断开接地；所述检测电路(15)与所述检测电阻(RS)的两端及所述处理器(23)电性连接，用于在所述短路电流不为零时，触发所述处理器(23)控制所述用户终端(20)发出短路警示或关闭所述电源电路(21)。所述防短路检测装置(10)可以防止用户终端(20)因短路而损坏。

Short circuit detection device and user terminal

A short circuit detection device (10) and a user terminal (20), including a probe (11), a detection resistor (RS), a switching circuit (13), and a detection circuit (15); the probe (11) is arranged at intervals between the power port (Vbus) and the ground port (GND) of the user terminal (20), and at least one part of the probe (11) is located at the power port (Vbus) and the ground said. Port (GND); the first end of the detection resistance (RS) is electrically connected with a power circuit (21) of a user terminal (20), the second end of the detection resistor (RS) is electrically connected with the probe (11); the switching circuit (13) is electrically connected to the first end of the detection resistance (RS) and a processor (23) of the user terminal (20), for the purpose of the application. The processor (23) controls the grounding or disconnection of the ground; the detection circuit (15) is electrically connected to the two ends of the detection resistance (RS) and the processor (23), for triggering the processor (23) control of the user terminal (20) to send out a short circuit warning or to close the power circuit (21) when the short circuit current is not zero. The short circuit detection device (10) can prevent the user terminal (20) from being damaged by short circuit.

【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。

【技术保护点】
PCT国内申请，权利要求书已公开。

【技术特征摘要】
【国外来华专利技术】PCT国内申请，...

【专利技术属性】
技术研发人员：李德良，钱泽旭，
申请(专利权)人：华为技术有限公司，
类型：发明
国别省市：广东,44