| 专利名称： | 汽车行驶记录仪有源定位天线开路短路检测系统防护装置 | ||
| 专利名称(英文)： | Automobile driving recorder active positioning antenna open circuit short-circuit detection system protection device | ||
| 专利号： | CN201610177512.4 | 申请时间： | 20160324 |
| 公开号： | CN105785216A | 公开时间： | 20160720 |
| 申请人： | 航天科技控股集团股份有限公司 | ||
| 申请地址： | 150060 黑龙江省哈尔滨市平房区哈平西路45号 | ||
| 发明人： | 高洪亮; 李东; 刘金泽 | ||
| 分类号： | G01R31/02 | 主分类号： | G01R31/02 |
| 代理机构： | 哈尔滨市松花江专利商标事务所 23109 | 代理人： | 张宏威 |
| 摘要： | 汽车行驶记录仪有源定位天线开路短路检测系统防护装置，涉及汽车行驶记录仪定位天线防护领域。目的在于对汽车行驶记录仪的定位天线进行防护。该装置包括供电电路、开路检测电路和短路检测电路，当所述防护装置没有接入定位天线时，开路检测电路和短路检测电路均输出高电平，MCU判断天线状态为开路；当所述防护装置接入定位天线时，供电电路与天线之间构成回路，供电电路为天线供电，开路检测电路输出低电平，短路检测电路输出高电平，MCU判断定位天线正常工作；当天线与地之间发生短路时，开路检测电路和短路检测电路输出均为低电平，MCU判断天线被短路，MCU控制关断供电电路。本发明适用于定位天线的防护。 | ||
| 摘要(英文)： | Automobile driving recorder active positioning antenna open circuit short-circuit detection system protective device, relates to vehicle driving recording gauge alignment antenna protection field. The aim of positioning the aerial vehicle of a tachograph for protection. The device comprises a power supply circuit, an open circuit detection circuit and short-circuit detection circuit, when the protective device is not the access positioning antenna, open-circuit detection circuit and short-circuit detection circuit to output a high level, the MCU antenna state to an open circuit; positioning the aerial when the protective device is connected, the power supply circuit between the antenna to form a loop, to supply power to the antenna power supply circuit, an open circuit detection circuit outputs a low-level, short circuit detection circuit to output a high level, judging positioning antenna normal operation of the MCU; on the same day the line and the ground when the short circuit occurs between, open-circuit detection circuit and short-circuit detection circuit output is the low level, the antenna of the short-circuit of the MCU, MCU controls and shuts off the power supply circuit. The invention is suitable for positioning the protection of the antenna. | ||
汽车行驶记录仪有源定位天线开路短路检测系统防护装置(发明专利)
专利号：CN201610177512.4
申请人：航天科技控股集团股份有限公司
- 公开号：CN105785216A
- 申请日期：20160324
- 公开日期：20160720
