Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/68659
Title: Piezoelectric transformer
Other Titles: 压电变压器
Authors: Hu, JH 
Li, QL 
Chen Wang, LH 
Choy, CL 
Issue Date: 9-Oct-2002
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 02101511.2 How to cite?
Abstract: A piezoelectric transformer with ring shape for low-voltage purpose is characterized by that its one surface is covered by two disk-or ring-shaped electrodes which are isolated by a ring-shaped isolating region. The areas covered by said electrodes are used for input and output areas. Its advantages are simple structure, small size and thin thickness.
电变压器的性能在多个方面都优于传统的电磁变压器,但压电变压器的构造通常比较复杂,因而制造成本可能较高。另外,复杂的结构可能增加设备微型化的难度。本发明的环形压电变压器适用于低压用途。变压器其中一个表面被两个圆盘形或环形的电极覆盖,而这两个电极被一个环形的分隔区分隔开。被圆盘形或环形电极覆盖的区域用作变压器的输入区和输出区。这种变压器结构简单,较容易制造。另外,可以较轻易地缩小体积和厚度而不会增加制造的难度。此变压器可单独使用或并联操作。
URI: http://hdl.handle.net/10397/68659
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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