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1. 发明授权

US6038156A Power inverter with improved heat sink configuration 失效
标题翻译：电源逆变器具有改进的散热器配置
公开(公告)号：US6038156A
公开(公告)日：2000-03-14
申请号：US094422
申请日：1998-06-09
申请人： Haroon Inam , Doris Cronyn , Edo P. Gebenini , Zhixiang Liang , Bernie E. Pringle , Gerald E. Rosebrough , Raymond L. Zheng
发明人： Haroon Inam , Doris Cronyn , Edo P. Gebenini , Zhixiang Liang , Bernie E. Pringle , Gerald E. Rosebrough , Raymond L. Zheng
IPC分类号： H02M7/00 , H02M3/24 , H01L23/24 , H02M7/538 , H05K7/20
CPC分类号： H02M7/003 , H01L2924/0002
摘要： An inverter for producing AC power from a DC source is disclosed. The inverter uses a transformer and switches to convert current from a battery or other DC source into AC power that can be used to power household appliances or other devices. The primary windings of the transformer are directly connected to a heat sink to which the switches are mounted with electrical connection between the transformer and switches being via the heat sink. The connection point on the heat sink for the primary windings of the transformer is spatially removed from the locations of the switches to facilitate heat dissipation at both locations. The primary windings of the transformer are formed from a tape or ribbon-like conductor having a cross-sectional area that allows the construction of a relatively compact transformer while also providing primary conductors of relatively large cross section. Use of tape-like conductors in the primary windings significantly simplifies the interconnection of the end of the primary winding both to a bus bar and the heat sink. Since the tape-like conductor of the transformer can be bolted directly to the flat surface of a bus bar or heat sink without using an intermediate terminal or lug, and since a relatively large contact area is established, ohmic contact resistance is minimized thus reducing the generation of heat. In one embodiment, a wedge configuration is used to mount the switches of the primary windings to the heat sink. The mounting wedge includes two flexible plate-like sections that hold both the tab and the body of the switch against the adjoining side wall of the heat sink.
摘要翻译：公开了一种用于从DC源产生AC电力的逆变器。逆变器使用变压器并切换将电池或其他直流电源的电流转换成可用于家用电器或其他设备的交流电源。变压器的初级绕组直接连接到散热器，开关安装在散热器上，变压器和开关之间的电气连接通过散热器。用于变压器初级绕组的散热器上的连接点在空间上从开关的位置移除，以便于两个位置的散热。变压器的初级绕组由带或带状导体形成，该带或带状导体具有允许构造相对紧凑的变压器的横截面积，同时还提供相对大的横截面的主导体。在初级绕组中使用带状导体可以显着简化初级绕组末端与母线和散热片的互连。由于变压器的带状导体可以直接用螺栓连接到母线或散热器的平坦表面，而不使用中间端子或凸耳，并且由于建立了相对较大的接触面积，所以欧姆接触电阻最小化，从而减小了发热。在一个实施例中，使用楔形配置将初级绕组的开关安装到散热器。安装楔包括两个柔性板状部分，其将开关的突片和主体抵靠散热器的相邻侧壁保持。

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