公开(公告)号：US09843250B2

公开(公告)日：2017-12-12

申请号：US14577682

申请日：2014-12-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Vadim Tsoi ,  Yake Fang

IPC: G05D23/00 ,  H02K44/02 ,  F04B17/00 ,  F25B23/00

CPC classification number: H02K44/02 ,  F04B17/00 ,  F04B17/03 ,  F04B19/006 ,  F04B37/00 ,  F04B39/00 ,  F04B49/06 ,  F25B23/00 ,  F25B2321/003 ,  F28F2250/08

Abstract: An Electro Hydro Dynamic, EHD, thruster (105) comprising a first set of electrodes (210), a second set of electrodes (220) and a supporting structure (103) for supporting the first set of electrodes (210) and the second set of electrodes (220). The EHD thruster (105) is configured to generate airflow of ionized air for cooling a heat sink (101). Further, the EHD thruster (105) is electrically isolated from the heat sink (101).

公开(公告)号：US20140069909A1

公开(公告)日：2014-03-13

申请号：US14081211

申请日：2013-11-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhanli Tang ,  Yake Fang

IPC: G05D23/19 ,  H05B1/02

CPC classification number: G05D23/1919 ,  F24H3/002 ,  F24H3/0411 ,  F24H9/2071 ,  H05B1/0227 ,  H05B1/023

Abstract: Embodiments of the present disclosure disclose an electronic heater and a method for controlling the same and relate to the field of power electronic technologies, so as to reduce a maintenance cost of a spare part of the electronic heater. The electronic heater includes: an auxiliary power supply unit, a control unit, a power adjusting unit, and a heating source. The auxiliary power supply unit is configured to supply power to the control unit; the control unit is configured to output a detection voltage signal according to an input voltage of the heating source, output a power control signal according to a preset reference power value, and transmit the detection voltage signal and the power control signal to the power adjusting unit; and the power adjusting unit is configured to obtain an output power adjustment signal according to the detection voltage signal and the power control signal.

Abstract translation: 本公开的实施例公开了一种电子加热器及其控制方法，涉及电力电子技术领域，以便降低电子加热器的备件的维护成本。 电子加热器包括：辅助电源单元，控制单元，功率调节单元和加热源。 辅助电源单元被配置为向控制单元供电; 所述控制单元被配置为根据所述加热源的输入电压输出检测电压信号，根据预设的参考功率值输出功率控制信号，并将所述检测电压信号和所述功率控制信号发送到所述功率调整单元 ; 并且功率调整单元被配置为根据检测电压信号和功率控制信号获得输出功率调节信号。