| 摘要 |
The present invention provides a electornic horn driving circuit and method for driving electronic horn. Said electronic horn driving circuit includes oscillation circuit,the said oscillation circuit generates signal with oscillation frequency,based on the signal,the said electronic horn driving circuit generates driving signal to drive the electronic horn to sound,the said oscillation circuit includes a adjustable capacitor,oscillation frequency is changed by adjusting value of the adjustable capacitor,therefor,frequency of the resulted driving signal is same with operational frequency of the electronic horn.Therefor, the present invention resolves the following faults:driving frequency of circuit difficultly matches with horn vocal diaphragm in debugging the electronic horn,value of resistor changes under the influence of vehicle oscillation so that the horn'sound isn't changed. |
