| 摘要 |
An anomaly control device for a dual fan of computer is composed of a first and second coil, a first and second driving IC, a controller, and a voltage level comparing circuit. The voltage level comparing circuit will perform a voltage dividing to a first and second reference potential signals input from the first and second driving ICs to obtain a third reference potential signal which is compared with a reference pulse wave signal output from an output end of the first driving IC, to determine to output either a high level pulse voltage signal or a low voltage direct-current signal to the controller for processing. The controller will output a control-gate-on or a control-gate-off signal to the first and second driving ICs for enabling the first and second coils to continue to operate or to stop operating.
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