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Dielectric elastic body vibration system and power supply device

A dielectric elastomer and vibration system technology, applied in the field of power supply devices and dielectric elastomer vibration systems, can solve problems such as hearing sound and distortion

Active Publication Date: 2022-02-25
千叶正毅 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the dielectric elastic body vibrating element does not deform linearly with respect to fluctuations in the potential difference between the pair of electrode layers caused by the input vibration signal voltage, there is a problem of hearing inappropriate sounds such as sound distortion.

Method used

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  • Dielectric elastic body vibration system and power supply device
  • Dielectric elastic body vibration system and power supply device
  • Dielectric elastic body vibration system and power supply device

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no. 6 approach &

[0063]

[0064] Figure 12 A power supply device and a dielectric elastic body vibration system according to a sixth embodiment of the present disclosure are shown. In the dielectric elastic body vibration system A6 of the present embodiment, the number of turns of the two secondary coils on the output side of the inverting branch portion 23 is set to be larger than the number of turns of the primary coil on the input side. With such a configuration, it is possible to increase the voltage generated by the two secondary coils on the output side with respect to the waveform voltage V1 input to the inverting branch unit 23 according to the turn ratio of the primary coil and the secondary coil. As a result, the voltage output from the inverting branch section 23 is obtained by combining (superimposition processing) the bias voltage V2 set to a high voltage and the waveform voltages V1a and V1b boosted (boosted or amplified) according to the number of turns described above. of. ...

no. 8 approach &

[0067]

[0068] Figure 14 A power supply device and a dielectric elastic body vibration system according to an eighth embodiment of the present disclosure are shown. In the dielectric elastic body vibration system A8 of this embodiment, the inverting branch unit 23 has a push-pull output transformer, and outputs the waveform voltages V1a and V1b by inverting and boosting (amplifying) the waveform voltage V1. Waveform voltages V1a, V1b and bias voltage V2 set to a high voltage are input to output units 29A, 29B, and are respectively synthesized (superimposed processing) to output vibration signal voltages Va, Vb. Also according to such a dielectric elastic body vibration system A8, sound can be emitted more appropriately.

[0069] The dielectric elastic body vibration system and power supply device of the present disclosure are not limited to the above-described embodiments. The specific structure of each part of the dielectric elastic body vibration system and the power s...

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Abstract

A dielectric elastic body vibration system (A1), which has a dielectric elastic body vibration element (1) and a power supply device (2). The dielectric elastomer vibrating element (1) has a dielectric elastomer layer (11) and a pair of electrode layers (12), the power supply device (2) generates a potential difference between the pair of electrode layers (12), and the dielectric elastomer The vibrating element (1) has: a high response area (S1), wherein the relationship between the potential difference and the deformation amount of a pair of electrode layers (12) is that the deformation amount changes greatly with respect to the potential difference; the low response area (S1) on the small potential difference side ( S2), which is a region with a smaller potential difference than the high-response region (S1), and the change in deformation relative to the potential difference is small; the low-response region (S3) on the large potential difference side, which is a region with a higher response than the high-response region (S1) In the region where the potential difference is large, the amount of deformation is small relative to the change in the potential difference or includes a breaking point of the dielectric elastomer layer (11), the power supply device (2) is applied by applying an AC voltage as an alternating voltage to the pair of electrode layers (12). The potential difference is generated by the vibration signal voltage (V) synthesized by the waveform voltage (V1) and the bias voltage (V2) which is a DC voltage for generating a potential difference in the high response region (S1). Vibration can be performed more appropriately by such a structure.

Description

technical field [0001] The present disclosure relates to, for example, a dielectric elastic body vibration system functioning as a speaker, and a power supply device used in the system. Background technique [0002] A dielectric elastomer transducer having a dielectric elastomer layer and a pair of electrode layers sandwiching the dielectric elastomer layer is used in various applications such as actuators, power generation, and sensors. Patent Document 1 describes a structure in which a dielectric elastomer transducer is used as a vibration element such as a speaker, wherein the vibration element such as a speaker is one form of an actuator. [0003] The dielectric elastomer transducer as a vibration element, that is, the dielectric elastomer vibration element, generates a potential difference at a pair of electrode layers by applying a waveform of vibration signal voltage obtained by sound, and emits a specified sound, which is vibration An example of . [0004] prior ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B06B1/02H01L41/04H01L41/09H01L41/193
CPCB06B1/0223B06B2201/50B06B2201/70B06B1/0292H04R17/00H10N30/20H10N30/857B06B1/0269B06B2201/57H04R1/02H04R3/00H10N30/871H10N30/877H10N30/2047
Inventor 千叶正毅和气美纪夫伊藤光明泽田诚
Owner 千叶正毅