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1. 发明授权

US5149025A Detection of overheated railroad wheel and axle components 失效
标题翻译：检测过热的铁路车轮和车轴部件
公开(公告)号：US5149025A
公开(公告)日：1992-09-22
申请号：US759237
申请日：1991-09-13
申请人： Jeffery J. Utterback , Randall S. Mecca
发明人： Jeffery J. Utterback , Randall S. Mecca
IPC分类号： B61K9/06
CPC分类号： B61K9/06
摘要： Overheated railroad journal bearings, wheels, and other wheel components on a moving or stationary railroad train are detected by amplifying the current signal from an infrared radiation sensor comprising a pytoelectric cell. A reference temperature is sensed by chopping the incident infrared radiation with an asynchronous shutter that momentarilly closes at successive time spacings of shorter duration than the scanning period of the sensor. The amplified signal is converted to a digital signal and processed by a microcontroller and associated hardware and software. The detector automatically and periodically calibrates itself and compensates the temperature signals for any temperature difference between the ambient external temperature and the temperature inside the detector housing. The output signal may be digital or analog.
摘要翻译：通过放大来自包括钆电池的红外辐射传感器的电流信号来检测移动或固定铁路列车上的过热的铁路轴颈轴承，轮子和其它车轮部件。通过用异步快门斩波入射的红外辐射来感测参考温度，该异步快门在比传感器的扫描周期更短的持续时间的连续时间间隔瞬间闭合。放大的信号被转换成数字信号，由微控制器和相关的硬件和软件进行处理。检测器自动和周期性地自行校准，并补偿温度信号，以确定环境外部温度和检测器外壳内部温度之间的温差。输出信号可以是数字或模拟信号。

2. 发明授权

US4928910A Detection of overheated railroad wheel and axle components 失效
标题翻译：检测过热的铁路车轮和车轴部件
公开(公告)号：US4928910A
公开(公告)日：1990-05-29
申请号：US255787
申请日：1988-10-11
申请人： Jeffery J. Utterback , Randall S. Mecca
发明人： Jeffery J. Utterback , Randall S. Mecca
IPC分类号： B61K9/06
CPC分类号： B61K9/06
摘要： Overheated railroad journal bearings, wheels, and wheel components on a moving or stationary railroad train are detected by amplifying the current signal from an infrared radiation sensor comprising a pyroelectric cell. A reference temperature is sensed by chopping the incident infrared radiation with an asynchronous shutter that momentarily closes at successive time spacings of shorter duration than the scanning period of the sensor. The amplified signal is converted to a digital signal and processed by a microcontroller and associated hardware and software. The software comprises a free-running loop Main Program which is subject to several interrupts. The output signal may be digital or analog and is transmitted to remote signal processing equipment for further processing.
摘要翻译：通过放大来自包括热释电池的红外辐射传感器的电流信号来检测移动或固定铁路列车上的过热的铁路轴颈轴承，车轮和车轮部件。通过用异步快门斩波入射的红外辐射来感测参考温度，该异步快门在比传感器的扫描周期短的持续时间间隔内瞬间闭合。放大的信号被转换成数字信号，由微控制器和相关的硬件和软件进行处理。该软件包括一个自由运行的循环主程序，它受到多个中断。输出信号可以是数字或模拟的，并被传送到远程信号处理设备以进一步处理。

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