Real-time online prediction method for life of fan
A prediction method and fan technology, applied in pump control, non-variable pumps, machines/engines, etc., can solve problems such as failures and faults, complex demand cycles, and fan life cannot reflect changes correctly in real time, so as to save maintenance Cost, the effect of improving reliability
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[0022] The example is as follows:
[0023] Suppose the parameters of a certain fan are as follows:
[0024] β: The shape parameter of the distribution model = 1.1
[0025] L 10 :The life of the fan at the nominal rated temperature (that is, the expected life of the fan with 10% failure) = 5000 hours
[0026] A: Every time the temperature increases by 10℃, the acceleration factor of the fan life loss = 2
[0027] T rated :The nominal rated working ambient temperature of the fan=25℃
[0028] According to the method of the present invention, the method for real-time online prediction of the life of the fan mainly includes the following steps:
[0029] Step 1: Directly measure or indirectly obtain the real-time fan working environment temperature through calculation.
[0030] Step 2: Taking 1 hour during the use of the fan as a time period, assuming that the average working environment temperature T of the fan during the 1 hour is obtained use = 60°C.
[0031] Step 3: According to the followin...
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