| 摘要 |
In order to achieve the above and other objects, a piezoelectric transformer unit is provided. The unit contains a piezoelectric transformer element, a first upper electrode, a first lower electrode, an insulator casing, a first lead terminal, and an insulator elastic member. The piezoelectric transformer element has a upper element surface, a lower element surface, and a first side element surface. The first upper electrode is formed on the upper element surface of the piezoelectric transformer element, and the first lower electrode is formed on the lower element surface of the piezoelectric transformer element. The insulator casing houses the piezoelectric transformer element. The first lead terminal protrudes from an inner surface of the insulator casing, supports the piezoelectric transformer element within the insulator casing, and vertically presses the an oscillation nodal point of the piezoelectric transformer element. The insulator elastic member is arranged between an oscillation nodal point on one of the upper, lower, and first side element surfaces of the piezoelectric transformer element and the insulator casing.
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