公开(公告)号：US20120194123A1

公开(公告)日：2012-08-02

申请号：US13332572

申请日：2011-12-21

Applicant: Yu-Liang Lin ,  Chun-Hsueh Lee

Inventor： Yu-Liang Lin ,  Chun-Hsueh Lee

IPC: H02P23/08

CPC classification number: F04D27/004

Abstract: A fan rotation speed control circuit comprises an AC power source, a coil electrically connected with the AC power source, a sensing module having a first resistor and a sensing device in parallel connection with mentioned first resistor, a capacitor, a DIAC, and a TRIAC having a first terminal, a second terminal and a gate terminal, wherein mentioned coil electrically connected with the first resistor and the sensing device, mentioned capacitor electrically connected with the first resistor and the sensing device, mentioned DIAC electrically connected with the first resistor, the sensing device and the capacitor, mentioned first terminal electrically connected with the first resistor, the sensing device and the coil, mentioned second terminal electrically connected with the capacitor and the AC power source, and mentioned gate terminal electrically connected with the DIAC.

Abstract translation: 风扇转速控制电路包括AC电源，与AC电源电连接的线圈，具有第一电阻器和与所述第一电阻器并联连接的感测装置的感测模块，电容器，DIAC和TRIAC 具有第一端子，第二端子和栅极端子，其中所述线圈与第一电阻器和感测装置电连接，所述电容器与第一电阻器和感测装置电连接，提及与第一电阻器电连接的DIAC， 所述第一端子与第一电阻器，感测装置和线圈电连接，所述第二端子与电容器和AC电源电连接，并且所述栅极端子与DIAC电连接。