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    • 3. 发明申请
    • HOME ENERGY CONTROL SYSTEM AND CONTROLLING METHOD THEREOF
    • 家用能源控制系统及其控制方法
    • WO2011120435A1
    • 2011-10-06
    • PCT/CN2011/072319
    • 2011-03-30
    • BYD COMPANY LIMITEDLI, BoSHEN, XiaofengZHANG, Jianhua
    • LI, BoSHEN, XiaofengZHANG, Jianhua
    • H02J7/34
    • H02J3/32H02J7/0055H02J7/35
    • A home energy control system and a controlling method thereof are provided. The system comprises: an energy storage unit (101) configured to store energy, a grid-connected inverter (102) connected with the energy storage unit (101) and configured to transmit power from the energy storage unit (101) to a power grid (120) and/or transmit power from the power grid (120) to the energy storage unit (101), an off-grid inverter (104) configured to transmit power from the energy storage unit (101) to household devices (130), a new energy generating unit (103) configured to generate power domestically to charge the energy storage unit (101) and a controller (105) connected with the energy storage unit (101), the grid-connected inverter (102), the new energy generating unit (103) and the off-grid inverter (104) respectively and configured to control the energy storage unit (101), the grid-connected inverter (102), the off-grid inverter (104) and the new energy generating unit (103) to run in a gird-connected mode, an off-grid inverter mode and/or a new energy generating mode. The method comprises the step of controlling the system to run in at least one of the following modes after mode conflict check: the new energy generating mode, the grid-connected inverter mode and the off-grid inverter mode.
    • 提供家庭能量控制系统及其控制方法。 该系统包括:被配置为存储能量的能量存储单元(101),与能量存储单元(101)连接的并网逆变器(102),并被配置为将功率从能量存储单元(101)传输到电网 (120)和/或从所述电网(120)向所述能量存储单元(101)发送功率的离网逆变器(104),被配置为将功率从所述能量存储单元(101)传送到家用设备(130) ,配置成在国内发电以对能量存储单元(101)充电的新能量产生单元(103)和与能量存储单元(101)连接的控制器(105),并网逆变器(102),新的 能量产生单元(103)和离网逆变器(104),并且被配置为控制能量存储单元(101),并网逆变器(102),离网逆变器(104)和新能量产生 单元(103)以网格连接模式运行,离网逆变器模式和/或新能量产生 模式。 该方法包括以下步骤:在模式冲突检查之后控制系统运行在以下模式中的至少一种:新能量发生模式,并网逆变器模式和离网逆变器模式。
    • 4. 发明申请
    • SOLAR CHARGER FOR CHARGING POWER BATTERY
    • 太阳能充电器充电电池
    • WO2011079789A1
    • 2011-07-07
    • PCT/CN2010/080423
    • 2010-12-29
    • BYD COMPANY LIMITEDGUO, GuangxiXU, YangLIANG, ShulinZHANG, Jianhua
    • GUO, GuangxiXU, YangLIANG, ShulinZHANG, Jianhua
    • H02J7/00H01M10/44
    • H02J7/35H01M10/465
    • A solar charger (100) for charging a power battery is provided, which includes: a photo-sensitive unit (101) configured to detect light intensity; a charging unit (103) configured to receive a voltage transformed from solar energy and to boost the voltage so as to supply the voltage to the power battery; a switch unit (102) coupled between the charging unit (103) and the power battery, and configured to disconnect the power battery from the charging unit (103) or connect the power battery with the charging unit (103); and a control unit (104) coupled to the photo-sensitive unit (101), the charging unit (103) and the switch unit (102) respectively, and configured to switch on the charging unit (103) and the switch unit (102) when the light intensity is higher than a first predetermined value so as to charge the power battery. The solar charger (100) can be used for high-power devices such as electric buses and vehicles.
    • 提供一种用于对动力电池充电的太阳能充电器(100),其包括:被配置为检测光强度的光敏单元(101) 充电单元(103),被配置为接收从太阳能转换的电压并且升高所述电压以将电压提供给所述动力电池; 连接在所述充电单元(103)和所述动力电池之间的开关单元(102),并且被配置为将所述动力电池与所述充电单元(103)断开或者将所述动力电池与所述充电单元(103)连接; 以及分别耦合到光敏单元(101),充电单元(103)和开关单元(102)的控制单元(104),并且被配置为接通充电单元(103)和开关单元(102 ),以便对动力电池进行充电。 太阳能充电器(100)可用于电动公交车和车辆等大功率设备。
    • 8. 发明申请
    • METHOD AND DEVICE FOR DETECTING PWM WAVE
    • 用于检测PWM波的方法和装置
    • WO2011076103A1
    • 2011-06-30
    • PCT/CN2010/080050
    • 2010-12-21
    • BYD COMPANY LIMITEDLIU, YuSHEN, XiaofengZHANG, Jianhua
    • LIU, YuSHEN, XiaofengZHANG, Jianhua
    • G01R29/02
    • G01R29/0273G01R29/02
    • A method for detecting PWM wave comprises: starting counting when a PWM wave is detected; interrupting the counting when a value of the counting reaches a predetermined value; determining whether electric level of the PWM wave during the interruption is high electric level or low electric level; clearing the value of the counting, starting a next counting and interrupting the next counting when a value of the next counting reaches the predetermined value; determining whether the electric level of the PWM wave during the interruption of the next counting is high electric level or low electric level; clearing the value of the counting and repeating the counting and the determining until one period of the PWM wave; and calculating a duty ratio of the PWM wave based on a number of high electric level and a number of low electric level determined within one period of the PWM wave.
    • 一种用于检测PWM波的方法包括:当检测到PWM波时开始计数; 当计数值达到预定值时中断计数; 确定中断期间PWM波的电平是高电平还是低电平; 清除计数值,开始下一个计数,并且当下次计数的值达到预定值时中断下一个计数; 确定下次计数中断期间的PWM波的电平是高电平还是低电平; 清除计数值,重复计数和确定直到PWM波的一个周期; 以及基于在PWM波的一个周期内确定的高电平和低电平的数量来计算PWM波的占空比。