EXCITATION DEVICE

• Main Authors: IKEZAWA NORIAKI, YAMAZAKI OSAMU
• Format: Patent
• Language: English; Japanese
• Published: 05.02.2015
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FOR PERFORMING MECHANICAL WORK IN GENERAL; GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL; GENERATION; METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY; PERFORMING OPERATIONS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide an excitation device which enables low height form and inhibits excess stress on a piezoelectric element.SOLUTION: An excitation device includes: a first conductor plate 2 having a rectangular shape; a support part 3 which supports both longitudinal end parts of the first conductor plate 2; a flat plate-like piezoelectric element 4 fixed to one of main surfaces of the first conductor plate 2; a connection part 5 which is formed in at least a part of a side surface of the first conductor plate 2 which is arranged parallel to a longitudinal direction; and a weight 6 which is connected with the connection part 5. 【課題】 低背化および圧電素子への過度な応力を抑制した加振装置を提供する。【解決手段】 矩形状の第一の導体板２と、第一の導体板２の長手方向の両端部を支持する支持部３と、第一の導体板２の少なくとも一方の主面に固定された平板状の圧電素子４と、第一の導体板２の、長手方向に平行な側面の少なくとも一部に形成された連結部５と、連結部５と接続する錘６とを備える。【選択図】図１