Terminal device
Provided is a terminal device. The terminal device includes: a housing; a display screen installed on the housing; a piezoelectric body parallel to the display screen and including a fixed end and a free end, the fixed end being fixed on the housing, and the free end being opposite to the fixed end and being configured to vibrate under driving of an audio signal; and a vibrating body arranged between the display screen and the piezoelectric body, fixedly connected with the free end, and configured to vibrate in a direction perpendicular to the display screen with the vibration of the free end.
1. A terminal device, comprising:
a housing;
a display screen disposed on the housing;
a piezoelectric body, parallel to the display screen and comprising a fixed end and a free end, wherein the fixed end is fixedly connected to the housing, and the free end is opposite to the fixed end and is configured to vibrate under driving of an audio signal; and
a vibrating body, disposed between the display screen and the piezoelectric body, fixedly connected with the free end, comprising a first vibrating element and a second vibrating element, and configured to vibrate in a direction perpendicular to the display screen with vibration of the free end, wherein the first vibrating element is disposed between the display screen and the piezoelectric body and fixedly connected with the display screen, and the second vibrating element is disposed between the first vibrating element and the piezoelectric body and fixedly connected with the first vibrating element and the free end.
2. The terminal device of claim 1 ,
wherein the second vibrating element is configured to convert the vibration of the free end to a second vibration in a direction perpendicular to the display screen, and the first vibrating element is configured to conduct the second vibration from the second vibrating element to the display screen.
3. The terminal device of claim 1 , wherein the first vibrating element is disposed in a first center region of the display screen; and
the second vibrating element is disposed in a second center region of the first vibrating element.
4. The terminal device of claim 1 , wherein a cross-sectional area of the first vibrating element is larger than a cross-sectional area of the second vibrating element.
5. The terminal device of claim 1 , wherein the first vibrating element is of sheet-shaped, and the second vibrating element is of cylinder-shaped.
6. The terminal device of claim 1 , wherein the first vibrating element comprises sheet steel.
7. The terminal device of claim 1 , wherein a thickness of the first vibrating element is between 0.1 mm and 0.3 mm.
8. The terminal device of claim 1 , wherein the housing comprises a middle frame.
9. The terminal device of claim 8 , wherein the housing comprises a gap between the free end and the middle frame.
10. The terminal device of claim 9 , wherein the fixed end is fixedly connected on the middle frame.
11. The terminal device of claim 10 , wherein the middle frame comprises a groove, and the groove opens towards a direction that is parallel to the display screen installed; and the fixed end is disposed in the groove.
12. The terminal device of claim 8 , wherein the housing comprises a gap between the vibrating body and the middle frame.
13. An audio output device, comprising:
a middle frame;
a panel disposed on the middle frame;
a piezoelectric body, parallel to the panel and comprising a fixed end and a free end, wherein the fixed end is fixedly connected to the middle frame, and the free end is opposite to the fixed end and is configured to vibrate under driving of an audio signal; and
a vibrating body, disposed between the panel and the piezoelectric body, fixedly connected with the free end, comprising a first vibrating element and a second vibrating element, and configured to vibrate in a direction perpendicular to the panel with vibration of the free end, wherein the first vibrating element is disposed between the panel and the piezoelectric body and fixedly connected with the panel, and the second vibrating element is disposed between the first vibrating element and the piezoelectric body and fixedly connected with the first vibrating element and the free end.
14. The audio output device of claim 13 ,
wherein the second vibrating element is configured to convert the vibration of the free end to a second vibration in a direction perpendicular to the panel, and the first vibrating element is configured to conduct the second vibration from the second vibrating element to the panel.
15. The audio output device of claim 13 , wherein the first vibrating element is disposed in a first center region of the panel; and
the second vibrating element is disposed in a second center region of the first vibrating element.
16. The audio output device of claim 13 , wherein a cross-sectional area of the first vibrating element is larger than a cross-sectional area of the second vibrating element.
17. The audio output device of claim 13 , wherein the first vibrating element is of sheet-shaped, and the second vibrating element is of cylinder-shaped.
18. The audio output device of claim 13 , wherein the first vibrating element comprises sheet steel.
19. The audio output device of claim 13 , a thickness of the first vibrating element is between 0.1 mm and 0.3 mm.