一种共鸣器及音频设备

Abstract

本申请提供一种共鸣器；共鸣器包括被动发生元件和主动驱动元件，被动发生元件包裹部分的主动驱动元件；主动驱动元件用于将输入的电信号转换为机械振动，并将振动传递至被动发生元件，使被动发生元件产生相应的振动位移，从而向外辐射声波；所述被动发生元件开设有至少一种预设形态的缝隙部，该缝隙部作为朝向外围的声音传递部，以便于形成良好的共振效果，从而实现了宽频发声与精准的音频控制，提高了共鸣器的音频效果。本申请另一方面还提供一种音频设备，包括如上所述的共鸣器。

Claims

1. A resonator, characterized by, include: An active driving element is used to convert an input electrical signal into mechanical vibration and transmit the vibration to a passive generating element; A passive generating element, which encloses the active driving element, is configured to receive mechanical vibrations and generate corresponding vibration displacements, thereby radiating sound waves outwards, and the passive generating element has at least one slit.

2. The resonator of claim 1, wherein The passive generating element has an inner cavity, and the active driving element is located inside the inner cavity and can vibrate within the inner cavity, so that the passive generating element receives the vibration energy output by the active driving element.

3. The resonator of claim 2, wherein, The distance between the active drive element and the inner wall of the cavity is 0.1 mm to 1.6 mm.

4. The resonator of claim 2, wherein The active driving element is a piezoelectric component; the active driving element is connected to an external power supply component via a wire, the active driving element receives the electrical signal output through the wire, and outputs the corresponding vibration energy to the passive generating element; the carrier of the active driving element is a flexible material, the flexible material is an FPC flexible circuit board, or a composite material formed by metal and polymer film, or a thin metal plate.

5. The resonator of any one of claims 1 to 4, wherein, The gap is in the shape of an I-shaped, trapezoidal, square, round, or C-shaped piece.

6. The resonator of claim 5, wherein, When the gap is I-shaped, the gap is provided with a first gap, a second gap and a third gap. The first gap and the second gap are arranged opposite to each other. The third gap is located between the first gap and the second gap and connects the first gap and the second gap. The third gap has one or more. or, When the gap is trapezoidal, the gap is provided with a fourth gap and a fifth gap. The fourth gap is arranged along the trapezoid and there are multiple fourth gaps. The multiple fourth gaps are arranged in opposite directions. The fifth gap is located between two adjacent fourth gaps and connects the two adjacent fourth gaps. or, When the gap is square, the gap is provided with a plurality of sixth gaps, which are arranged sequentially and along the square direction; or, When the gap is C-shaped, the gap has two seventh gaps and an eighth gap. The two seventh gaps are arranged opposite to each other, and the eighth gap is located between the two seventh gaps and connects the two seventh gaps.

7. The resonator of claim 5, wherein The gap is provided with a closed-loop region, and the portion of the passive generating element that forms the closed-loop region is a first hole; The portion of the active drive element opposite to the first hole is the second hole, and the second hole connects to the first hole along the thickness direction of the active drive element.

8. The resonator according to any one of claims 1 to 4, characterized in that, The outer contour of the passive generating element is square, round, or polygonal.

9. An audio device, comprising: Includes the resonator as described in any one of claims 1 to 8.

10. The audio device of claim 9, wherein, It also includes the outer casing; The outer casing is provided with a sound outlet and a receiving groove, the receiving groove is connected to the sound outlet, and the inner sidewall of the receiving groove is provided with a connecting area; the sound outlet is arranged relative to the gap. The outer casing covers the passive generating element and the active driving element.

11. The audio device of claim 10, wherein, The inner side wall of the accommodating groove is provided with a plurality of positioning arms, and the plurality of positioning arms are oppositely arranged and form positioning grooves with the inner side wall of the accommodating groove. The passive generating element is positioned and connected to the positioning grooves and is subjected to positioning actions in different directions by the plurality of positioning arms.

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