Diaphragm and micro sound generator provided with the same
A pattern and arc-shaped technology, applied in the field of micro-sounders, can solve the problems of low sensitivity of micro-sounders, easy wrinkles at the four corners, and high harmonic distortion, so as to improve the reliability margin and have a large reliability margin , the effect of small high-order harmonic distortion
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Embodiment 1
[0037] Such as figure 1 and figure 2 Commonly shown, a diaphragm includes a central part 14 , a ring part 12 and a fixed part 10 which are sequentially connected as one from the inside to the outside. The ring portion 12 includes an arc corner and a first side and a second side connected by the arc corner. Patterns 20a are distributed on the arc-shaped corners of the ring part 12. In the orthographic projection plane of the diaphragm, the patterns 20a include at least one curved pattern 22, and each curved pattern 22 is composed of adjacent The first side extends toward the second side, that is, each curved pattern 22 extends from one end of the arc-shaped corner to the other end. The curved patterns 22 at each arc-shaped corner are arranged sequentially from the inside to the outside of the arc-shaped corner. In this embodiment, it is preferable that the convex curve direction of the curved pattern 22 is consistent with the convex curve direction of the arc-shaped corner....
Embodiment 2
[0048] This embodiment is basically the same as Embodiment 1, the difference is that:
[0049] Such as image 3 and Figure 4 Commonly shown, the arc-shaped corners of the ring portion 12 are distributed with patterns 20b, and the pattern 20b includes a plurality of curved patterns 22 distributed on the inside of the arc-shaped corners of the ring portion 12 and the arc-shaped corners distributed on the ring portion 12 At least one linear pattern 24a on the outer side of the In practical applications, the curved pattern 22 may also be arranged on the outside of the arc-shaped corner, and the linear pattern 24a may be arranged on the inside of the arc-shaped corner.
[0050] Such as image 3 and Figure 4 As shown together, in this embodiment, there are two curved patterns 22 and six linear patterns 24a. In the orthographic projection plane of the diaphragm, six linear patterns 24a are distributed radially from the inner side to the outer side of the arc-shaped corner. Th...
Embodiment 3
[0056] This embodiment is basically the same as Embodiment 1, the difference is that:
[0057] Such as Figure 5 and Figure 6 Commonly shown, the arc-shaped corner of the ring portion 12 is distributed with a pattern 20c, and the pattern 20c includes a curved pattern 22 distributed on the inside of the arc-shaped corner of the ring portion 12 and at least one straight line pattern distributed on the outside of the arc-shaped corner. pattern. In practical applications, the curved pattern 22 may also be arranged on the outer side of the arc-shaped corner, and the linear pattern 24b may be arranged on the inner side of the arc-shaped corner.
[0058] Such as Figure 5 and Figure 6 As shown together, in this embodiment, there are two curved patterns 22 and three linear patterns 24b. In the orthographic projection plane of the diaphragm, three linear patterns 24 b are radially distributed from the outer edge of the ring portion 12 to the curved pattern 22 . The lengths of t...
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