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1. 发明申请

US20150349761A1 POWER MODULE 有权
标题翻译：电源模块
公开(公告)号：US20150349761A1
公开(公告)日：2015-12-03
申请号：US14681712
申请日：2015-04-08
申请人： Delta Electronics (Shanghai) CO., LTD
发明人： Weiyi FENG , Lizhi XU , Weiqiang ZHANG , Hongyang WU
IPC分类号： H03K5/08
CPC分类号： H03K5/08 , H02M1/34 , H02M7/003 , H02M7/487
摘要： A power module includes: a base plane; at least one switch chip assembled on the base plane; and a voltage clamping circuit for clamping a voltage of the at least one switch chip and comprising components of a charging loop, wherein a projection of at least one of the components of the charging loop on the base plane is located within at least one first circle, defined with a center point of the at least one switch chip as a center of the first circle, and with a product of a maximum of a length and a width of the at least one switch chip and a first coefficient, as a radius of the first circle.
摘要翻译：功率模块包括：基本平面; 组装在基面上的至少一个开关芯片; 以及用于钳位所述至少一个开关芯片的电压并且包括充电回路的部件的电压钳位电路，其中所述充电回路的至少一个部件在所述基座平面上的突起位于至少一个第一圆，其中所述至少一个开关芯片的中心点作为所述第一圆的中心，并且具有所述至少一个开关芯片的长度和宽度的最大值与第一系数的乘积，作为所述第一系数的半径第一圈。

2. 发明申请

US20170018490A1 VIA STRUCTURE AND CIRCUIT BOARD HAVING THE VIA STRUCTURE 审中-公开
标题翻译：通过结构和电路板通过结构
公开(公告)号：US20170018490A1
公开(公告)日：2017-01-19
申请号：US15152682
申请日：2016-05-12
申请人： DELTA ELECTRONICS (SHANGHAI) CO., LTD
发明人： Yuechao LI , Weiyi FENG , Weiqiang ZHANG , Hongyang WU , Ziying ZHOU
IPC分类号： H01L23/498
CPC分类号： H01L23/49827 , H01L23/49822 , H05K1/0263 , H05K1/115 , H05K2201/09409 , H05K2201/0979
摘要： The present disclosure provides a via structure and a multilayer circuit board including the via structure. The via structure is provided in three or more conductor layers in the same electrical network, the conductor layers overlapping with each other vertically and including at least one current input layer and at least one current output layer; wherein the via structure includes a plurality of rows of vias, each row of vias puncture through at least one current input layer and at least one current output layer, and a part of the rows of vias puncture through all of the conductor layers, and the other part of the rows of vias puncture through a part of the conductor layers. By using the via structure in the present disclosure, the vias are subject to even temperature and thus the lifetime of the circuit board is extended.
摘要翻译：本公开提供一种通孔结构和包括通孔结构的多层电路板。通孔结构设置在相同电气网络中的三个或更多个导体层中，导体层垂直彼此重叠并且包括至少一个电流输入层和至少一个电流输出层; 其中所述通孔结构包括多行通孔，每行通孔穿过至少一个电流输入层和至少一个电流输出层，并且所述一列通孔穿过所有导体层，并且通孔的其他部分穿过导体层的一部分。通过在本公开中使用通孔结构，通孔受到均匀的温度，因此延长了电路板的寿命。

3. 发明申请

US20150357935A1 TNPC INVERTER DEVICE AND METHOD FOR DETECTING SHORT-CIRCUIT THEREOF 有权
标题翻译： TNPC逆变器装置及其短路检测方法
公开(公告)号：US20150357935A1
公开(公告)日：2015-12-10
申请号：US14730469
申请日：2015-06-04
申请人： DELTA ELECTRONICS (SHANGHAI) CO., LTD.
发明人： Xibing DING , Weiyi FENG , Weiqiang ZHANG , Hongyang WU
IPC分类号： H02M7/537
CPC分类号： H02M7/537 , H02M1/08 , H02M1/32 , H02M7/487 , H02M2001/0006 , H03K17/0828 , H03K2217/0027
摘要： The present application discloses a TNPC inverter device, comprising: a TNPC inverter module and a short circuit detecting module. The TNPC module at least comprises an inverting bridge arm and a bi-directional switching bridge arm. The inverting bridge arm comprises at least two switches connected in series; the bi-directional switching bridge arm comprises at least two switches. The short circuit detecting module mainly consists of two switch detecting unit corresponding to the two switches in the inverting bridge arm respectively. Increasing the voltage drop of the switches in the inverting bridge when a short circuit occurs in the TNPC module by some way, then it could realize the short circuit detecting module is able to detect all the paths of the short circuit in the TNPC module to simplify the peripheral circuit of the TNPC module in the TNPC inverter device.
摘要翻译：本申请公开了一种TNPC逆变器装置，包括：TNPC逆变器模块和短路检测模块。 TNPC模块至少包括反相桥臂和双向开关桥臂。反相桥臂包括串联连接的至少两个开关; 双向交换桥臂包括至少两个开关。短路检测模块主要由对应于反相桥臂中的两个开关的两个开关检测单元组成。在TNPC模块发生短路的情况下，通过某种方式增加反相桥中开关的电压降，可以实现短路检测模块能够检测TNPC模块中短路的所有路径，从而简化 TNPC逆变器装置中TNPC模块的外围电路。

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