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2. 发明授权

US4812750A Environmental stress screening apparatus 失效
标题翻译：环境压力筛选仪
公开(公告)号：US4812750A
公开(公告)日：1989-03-14
申请号：US101448
申请日：1987-09-28
申请人： Jerry L. Keel , Thomas M. Hines , Glen Davis , William E. Parks
发明人： Jerry L. Keel , Thomas M. Hines , Glen Davis , William E. Parks
IPC分类号： G01M99/00 , G01R31/28 , G01R1/02 , G01R1/04
CPC分类号： G01M99/002 , G01R31/2817
摘要： The disclosed apparatus provides a universal wheeled cart for carrying electronic devices to be stress tested in a sealed environmental chamber in which the temperature is varied between high and low limits while the power to the electronic components is being turned on and off. The cart is configured to substantially fully occupy the insulated heated chamber which is provided with tracks for the wheels of the cart. In addition to a front access door for admitting the cart, the chamber is provided with a rear rectangular aperture through which a novel rectangular bustle mounted on the cart extends. The bustle support a plurality of connectors through which power is supplied to the electronic devices. Complementary power actuated electrical connectors are mounted in fixed relation to the rear aperture, and when actuated, all power connections to the electronic components are made through the bustle and standardized busses on the cart. A unique removable seal on the bustle provides an insulated closure for the rear aperture. The chamber is provided with conventional heating apparatus.
摘要翻译：所公开的设备提供用于承载电子设备的通用轮式推车，以在密封环境室中进行应力测试，其中温度在高限和低限之间变化，同时电子部件的电力被接通和断开。推车构造成基本上完全占据了隔热加热室，该隔热加热室设置有用于车的车轮的轨道。除了用于承认车的前通道门之外，腔室设置有后矩形孔，安装在小车上的新的矩形through通过该孔延伸。喧嚣支持多个连接器，电力供应给电子设备。互补的动力驱动电连接器以固定的关系安装在后孔上，并且当被致动时，通过车上的喧嚣和标准化的总线制造到电子部件的所有电力连接。喧嚣上独特的可拆卸密封件为后孔提供了绝缘封盖。该室设有传统的加热装置。

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