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    • 7. 发明授权
    • Cooling arrangement for heat generating electrical components
    • 用于发热电气部件的冷却装置
    • US4709752A
    • 1987-12-01
    • US879728
    • 1986-06-27
    • Johann SchroderKlaus GawronLeo BertramHugo Schemmann
    • Johann SchroderKlaus GawronLeo BertramHugo Schemmann
    • F28D20/00A45D20/12C09K5/00C09K5/06C09K5/08H05K7/20H02K9/00
    • C09K5/063A45D20/12Y10S165/902
    • A protection against overheating not only of the heat transmitting component (2), but also of the components (3) surrounding said component is achieved. A latent heat store (1) is provided between the heat transmitting component (2) or a part thereof and a component (3) to be protected from overheating or a part thereof. The latent heat store (1) comprises a latent heat storing agent, whose melting-point T is between the operating temperature of the heat transmitting component (2) and the maximum permissible temperature of the component (3) to be protected. The quantity is proportioned so that the storage capacity of the latent heat store (1) is sufficient for the amount of heat maximally to be transmitted by the heat transmitting component (2). Between the heat transmitting component (2) and the latent heat source (1) and between the latent heat store (1) and the component (3) to be protected a thermal insulation (4,5) is provided. The melting-point T of the latent heat storing agent and the thicknesses d of the insulations (4,5) are proportioned so that the temperature gradient .DELTA.T/d from the heat transmitting component (2) which is at operating temperature to the latent heat store (1) is greater than the temperature gradient .DELTA.T/d from the latent heat store (1) to the component (3) to be protected.
    • 实现了不仅对传热部件(2)的过热保护,而且还实现了围绕所述部件的部件(3)的过热保护。 在传热部件(2)或其一部分和要防止过热的部件(3)或其一部分之间设置潜热储存器(1)。 潜热贮存器(1)包括潜热蓄积剂,其熔点T在传热部件(2)的工作温度和被保护部件(3)的最大允许温度之间。 数量成比例,使得潜热贮存器(1)的存储容量足以使由热传递部件(2)传输的热量最大。 在传热部件(2)和潜热源(1)之间以及潜热储存器(1)和要保护的部件(3)之间提供绝热(4,5)。 潜热蓄积剂的熔点T和绝缘体(4,5)的厚度d成比例,使得来自传热部件(2)的温度梯度DELTA T / d在工作温度下为潜伏 热存储器(1)大于从潜热贮存器(1)到要保护的部件(3)的温度梯度DELTA T / d。