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    • 4. 发明授权
    • Method and device for detecting state of overcurrent protector for battery
    • 电池过电流保护器状态检测方法及装置
    • US09164143B2
    • 2015-10-20
    • US13979380
    • 2011-09-14
    • Lin LiMingming LiuYanni MengLingqiao TengBaohang ZhouShuwang Wei
    • Lin LiMingming LiuYanni MengLingqiao TengBaohang ZhouShuwang Wei
    • G01R31/28H02J1/10H02J7/00H02J7/34G01R31/327
    • G01R31/2827G01R31/3277H02J1/10H02J7/0029H02J7/0031H02J7/34H02J2007/0039
    • The disclosure discloses a method and device for detecting a state of an overcurrent protector for a battery, wherein a voltage Uout of a power supply and a voltage Ubat of a battery connected to the power supply via an overcurrent protector is acquired, and U=|Uout−Ubat| is calculated; when UL≦U≦UH and |Ibat|≦Imin, the voltage of the power supply is adjusted to be U′out, wherein UL and UH are the minimum value and maximum value of a difference between the voltage of the power supply and the voltage of the battery, respectively, Ibat is a current of the battery, and Imin is a current detecting precision for detecting a current equipment of the battery; the voltage of the battery U′bat after adjusting the voltage of the power supply is acquired, and U′=|U′out−U′bat| is calculated; and a state of the overcurrent protector for the battery is determined. With the disclosure, in the case that the difference between the voltage of the battery and the supply voltage is small, by regulating the supply voltage and comparing the voltage difference across the overcurrent protector again, accurate detection of the state of the overcurrent protector for the battery as well as reduction of detecting costs is enabled.
    • 本公开公开了一种用于检测电池的过电流保护器的状态的方法和装置,其中获得电源的电压Uout和经由过电流保护器连接到电源的电池的电压Ubat,并且U = | Uout-Ubat | 计算; 当UL≦̸ U≦̸ UH和| Ibat |≦̸ Imin,电源的电压被调整为U'out,其中UL和UH是电源电压与电源的电压之间的差值的最小值和最大值 电池的电压分别为Ibat是电池的电流,Imin是用于检测电池的当前设备的电流检测精度; 在调整电源电压后,电池U'bat的电压被获取,U'= | U'out-U'bat | 计算; 确定电池的过电流保护器的状态。 通过公开,在电池的电压与电源电压的差小的情况下,通过调节电源电压并再次比较过电流保护器两端的电压差,精确地检测过电流保护器的状态 电池以及检测成本的降低。
    • 6. 发明授权
    • Method for preparation of aqueous nano-pigment dispersion
    • 水性纳米颜料分散体的制备方法
    • US08951449B2
    • 2015-02-10
    • US13643369
    • 2012-07-11
    • Shi ShuJiuxia YangJisheng ZhaoLin Li
    • Shi ShuJiuxia YangJisheng ZhaoLin Li
    • G02B5/23C08F2/44C08F212/08C08F2/24B05D5/06G02B6/02
    • G02B5/23C08F2/24C08F2/44C08F212/08C08F2220/1825C08F220/14C08F2222/1013C08F2220/1858
    • Embodiments of the invention disclose a method for preparing an aqueous nano-pigment dispersion. The method comprises mixing 2.5 wt %˜40 wt % styrene with polymerization inhibitors removed by evaporation, 2.5 wt %˜20 wt % acrylate monomer, 0.25 wt %˜5 wt % crosslinking monomer, 0.05 wt %˜0.5 wt % emulsification adjuvant, and 0.05 wt %˜0.5 wt % oil soluble initiator, adding 0.25 wt %˜2.5 wt % organic pigments to be dispersed to form an oil phase solution after dissolution; dissolving 0.05 wt %˜2 wt % emulsifier and 0.05 wt %˜2 wt % buffer in 40 wt % wt˜90 wt % deionized water to form an aqueous solution; mixing the oil phase solution and the aqueous phase solution, and then homogenizing them into fine emulsion; transferring the fine emulsion into a reactor; heating to increase the temperature to initiate the polymerization; after reacting, adding an alkaline soluble monomer; after continuing the reaction, cooling the temperature to the room temperature; adjusting pH to weak alkaline; and filtering to obtain the aqueous nano-pigment dispersion.
    • 本发明的实施方案公开了一种制备水性纳米颜料分散体的方法。 该方法包括将2.5重量%〜40重量%的苯乙烯与通过蒸发除去的聚合抑制剂,2.5重量%〜20重量%的丙烯酸酯单体,0.25重量%〜5重量%的交联单体,0.05重量%〜0.5重量%的乳化助剂和 0.05重量%〜0.5重量%的油溶性引发剂,加入0.25重量%〜2.5重量%的有机颜料进行分散以形成溶解后的油相溶液; 将0.05重量%〜2重量%的乳化剂和0.05重量%〜2重量%的缓冲液溶解在40重量%〜90重量%的去离子水中以形成水溶液; 混合油相溶液和水相溶液,然后均化成细乳液; 将细乳液转移到反应器中; 加热以增加温度以引发聚合; 反应后加入碱溶性单体; 继续反应后,将温度降至室温; 将pH调节至弱碱性; 并过滤以获得水性纳米颜料分散体。
    • 7. 发明授权
    • Converter system
    • 转换器系统
    • US08917047B2
    • 2014-12-23
    • US13562904
    • 2012-07-31
    • Lin LiJing-Tao TanHong-Yang Wu
    • Lin LiJing-Tao TanHong-Yang Wu
    • H02P3/00H02P1/30
    • H02M5/458H02M7/493H02P27/08
    • The present disclosure discloses a converter system, which at least includes the first and second back-to-back converters. The first back-to-back converter includes a first rectifier module and a first inverter module. The first rectifier module is used to convert a first AC voltage to a first DC voltage. The first inverter module is used to convert the first DC voltage to a second AC voltage. The second back-to-back converter includes a second rectifier module and a second inverter module. The second rectifier module is used to convert the first AC voltage to a second DC voltage. The second inverter module is used to convert the second DC voltage to the second AC voltage. The converter system can suppress the circular current through the synchronous operation of the first and second rectifiers or the synchronous operation of the first and second inverters.
    • 本公开公开了一种转换器系统,其至少包括第一和第二背对背转换器。 第一背对背转换器包括第一整流器模块和第一逆变器模块。 第一整流器模块用于将第一AC电压转换为第一DC电压。 第一逆变器模块用于将第一直流电压转换为第二交流电压。 第二背对背转换器包括第二整流器模块和第二逆变器模块。 第二整流器模块用于将第一AC电压转换为第二直流电压。 第二逆变器模块用于将第二直流电压转换为第二交流电压。 转换器系统可以通过第一和第二整流器的同步操作或第一和第二逆变器的同步操作来抑制环形电流。