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1.发明公开Double insulated transformer of the coaxial type and method of assembling the same 失效Doppelt隔离变压器变压器和Seven Herstellungsverfahren。
公开(公告)号：EP0438636A2
公开(公告)日：1991-07-31
申请号：EP90117297.3
申请日：1990-09-07
CPC分类号： H01F27/324 , H01F19/02 , H01F27/027 , H01F2005/025
摘要： A double-insulated transformer of the coaxial type comprises a core assembly having a center core, a primary winding assembly assembled to surround coaxially the center core which has a primary bobbin case, a primary coil winding wound around the bobbin case and a primary terminal portion provide at an axial end of the bobbin case for connecting the primary coil winding and input lead lines, a secondary winding assembly assembled to surround coaxially the primary winding assembly which has a secondary bobbin case, a secondary coil winding wound around the secondary bobbin case and a secondary terminal portion provided at an axial end of the secondary bobbin case opposite to the primary terminal portion for connecting the secondary coil winding with external lead lines, and an insulating case assembled to surround coaxially the secondary winding assembly. The insulating case comprises a body portion of tube-like shape for covering the secondary coil winding and at least one covering portion formed integrally on an axial end of the body portion and extending along the axial direction for covering one of the primary and secondary terminal portions. By the insulating case provided, the coverage and protection of the secondary coil winding and terminal portions can easily and effectively carried out.
摘要翻译： 同轴型的双重绝缘变压器包括具有中心芯的芯组件，组装成同轴地包围中心芯的初级绕组组件，所述中心芯具有初级绕线筒壳体，缠绕在梭壳上的初级线圈绕组和主端子部分 提供在所述梭壳的轴向端部处，用于连接所述初级线圈绕组和输入引线;二次绕组组件，其组装成同轴地包围所述初级绕组组件，所述初级绕组组件具有次级绕线筒壳体，缠绕在所述辅助梭壳体上的次级线圈绕组， 次级端子部分，设置在次级绕组壳体的与主端子部分相对的轴向端部处，用于将次级线圈绕组与外部引线连接;以及绝缘壳体，其组装成同轴地包围次级绕组组件。 所述绝缘壳体包括用于覆盖所述次级线圈绕组的管状形状的主体部分和至少一个覆盖部分，所述至少一个覆盖部分整体地形成在所述主体部分的轴向端部上并且沿着所述轴向方向延伸以覆盖所述主端子部分和所述次端子部分中的一个 。 通过提供的绝缘壳体，可以容易且有效地进行次级线圈绕组和端子部分的覆盖和保护。
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2.发明授权
公开(公告)号：EP0438636B1
公开(公告)日：1995-12-13
申请号：EP90117297.3
申请日：1990-09-07
CPC分类号： H01F27/324 , H01F19/02 , H01F27/027 , H01F2005/025
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3.发明公开Double insulated transformer of the coaxial type and method of assembling the same 失效同轴类型的双重绝缘变压器及其组装方法
公开(公告)号：EP0438636A3
公开(公告)日：1992-10-28
申请号：EP90117297.3
申请日：1990-09-07
CPC分类号： H01F27/324 , H01F19/02 , H01F27/027 , H01F2005/025
摘要： A double-insulated transformer of the coaxial type comprises a core assembly having a center core, a primary winding assembly assembled to surround coaxially the center core which has a primary bobbin case, a primary coil winding wound around the bobbin case and a primary terminal portion provide at an axial end of the bobbin case for connecting the primary coil winding and input lead lines, a secondary winding assembly assembled to surround coaxially the primary winding assembly which has a secondary bobbin case, a secondary coil winding wound around the secondary bobbin case and a secondary terminal portion provided at an axial end of the secondary bobbin case opposite to the primary terminal portion for connecting the secondary coil winding with external lead lines, and an insulating case assembled to surround coaxially the secondary winding assembly. The insulating case comprises a body portion of tube-like shape for covering the secondary coil winding and at least one covering portion formed integrally on an axial end of the body portion and extending along the axial direction for covering one of the primary and secondary terminal portions. By the insulating case provided, the coverage and protection of the secondary coil winding and terminal portions can easily and effectively carried out.
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