Temperature rise computing method and device for metal part overcurrent
A technology of metal parts and overcurrent, which is applied in computing, electrical digital data processing, special data processing applications, etc., and can solve problems such as waste of resources and increased manufacturing costs
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[0009] An embodiment of the present invention provides a method for calculating the temperature rise of the overcurrent of a metal part. The method is based on Joule's law, specific heat capacity formula and Newton's cooling law, combined with the law of conservation of energy, and determines the metal part through the determined relevant parameters about the metal part. The temperature rise of the component when the overcurrent occurs.
[0010] In this embodiment, according to the energy Q1 generated by the current passing through the conductor due to impedance (i.e. Joule's law), the heat energy Q2 transformed into a conductor (i.e. the specific heat capacity formula), and the energy Q3 lost by heat transfer of external substances (i.e. Newton's cooling law), we can obtain Come up with the following three equations:
[0011] Q 1 = I 2 Rt,
[0012] Q 2 = cmΔT,
[0013] Q 3 =KFΔT * t.
[0014] Among them, I is the current value passing through the metal part, R is the ...
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