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    • 2. 发明申请
    • OPTICAL PARTICLE SENSOR WITH EXHAUST-COOLED OPTICAL SOURCE
    • 具有排气冷光源的光学传感器
    • WO2008118769A1
    • 2008-10-02
    • PCT/US2008/057787
    • 2008-03-21
    • PARTICLE MEASURING SYSTEMS, INC.MILLER, Rick
    • MILLER, Rick
    • G01N15/02
    • G01N15/0205G01N2001/2282
    • The invention relates to particle sensors that are capable of passively cooling high-powered optical sources within the sensor, thereby extending the optical source lifetime without requiring additional power. The sensor detects particles within a sample fluid by optical interaction of the optical source with flowing sample fluid in the sample chamber. Sample fluid that exits the sample chamber is directed into thermal contact with the optical source, thereby cooling the optical source. Sample fluid that has come into thermal contact with the optical source is continuously removed from the sensor to ensure the optical source is adequately cooled. A variety of elements are used to facilitate thermal contact between the optical source and sample fluid including plenums, heat sinks, and airflow cavities. Provided are related methods for cooling a one or more heat-producing device within a particle sensor.
    • 本发明涉及能够被动地冷却传感器内的高功率光源的颗粒传感器,从而延长光源寿命而不需要额外的功率。 传感器通过光源与样品室中流动的样品流体的光学相互作用来检测样品流体中的颗粒。 离开样品室的样品流体被引导与光源热接触,从而冷却光源。 已经与光源热接触的样品流体从传感器连续地移除,以确保光源被充分冷却。 使用各种元件来促进光源和样品流体之间的热接触,包括气室,散热器和气流腔。 提供了用于冷却颗粒传感器内的一个或多个发热装置的相关方法。