On-line fault diagnosis system for central air conditioner water system temp and flow sensor
A fault diagnosis system and flow sensor technology, applied in heating and ventilation control systems, heating and ventilation safety systems, space heating and ventilation, etc., can solve the problems of difficult detection of multiple sensor faults, difficult online diagnosis, difficult fault quantification, etc. problems, to achieve the effect of saving diagnosis costs, recovering economic losses, and shortening the diagnosis cycle
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[0016] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings.
[0017] Such as figure 1 As shown, the present invention mainly includes a data acquisition module 1, a noise filtering module 2, a steady-state data judgment module 3, a fault detection module 4, a storage module 5, a fault diagnosis module 6, a confidence judgment module 7 of a diagnosis result, and a data recovery Module 8 and Output Module 9.
[0018] The output end of the data acquisition module 1 is electrically connected to the input end of the filter noise module 2, the output end of the filter noise module 2 is electrically connected to the input end of the steady-state data judgment module 3, and the output end of the steady-state data judgment module 3 is connected to the input end of the steady-state data judgment module 3. The input end of the fault detection module 4 is electrically connected, the output end of the fault det...
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