Loudspeaker device
A loudspeaker device may include a speaker component, a circuit housing configured to accommodate a control circuit, and a key module disposed on the core housing. The speaker component may include an earphone core and a core housing for accommodating the earphone core. The control circuit may drive the earphone core to vibrate to generate a sound, and the vibration of the earphone core may include at least two resonance peaks. The key module may include a key and an elastic bearing for supporting the key. The elastic bearing may include an integrally formed bearing body and a support column.
1. A loudspeaker device, comprising:
a speaker component, the speaker component including an earphone core and a core housing for accommodating the earphone core;
a circuit housing configured to accommodate a control circuit, wherein the control circuit drives the earphone core to vibrate to generate a sound, and the vibration of the earphone core includes at least two resonance peaks; and
a key module disposed on the core housing, the key module including a key and an elastic bearing for supporting the key, the elastic bearing including an integrally formed bearing body and a support column.
2. The loudspeaker device of claim 1 , wherein the support column is exposed from a key hole that is disposed on the core housing.
3. The loudspeaker device of claim 1 , wherein the elastic bearing covers a key hole from an inner side of the core housing through the bearing body, and the key hole is disposed on the core housing.
4. The loudspeaker device of claim 1 , wherein a ratio of a mass of the key module and a mass of the speaker component is not greater than 0.3.
5. The loudspeaker device of claim 1 , further comprising:
a support connector configured to be in contact with a head, the core housing being fixedly connected to the support connector.
6. The loudspeaker device of claim 5 , wherein
the core housing includes an outer side wall away from the head; and
the key module is located at a middle position of the outer side wall, or the key module is located between the middle position and a top position of the outer side wall.
7. The loudspeaker device of claim 5 , wherein
a contact position of the support connector with the head includes at least one contact point,
a distance between a center of the key module and the at least one contact point is not greater than a distance between a center of the core housing and the at least one contact point, and
the center of the key module or the center of the core housing is a center of mass or a centroid.
8. The loudspeaker device of claim 7 , wherein
there is a first distance between the center of the key module and the at least one contact point,
there is a second distance between the center of the core housing and the at least one contact point, and
a ratio between the first distance and the second distance is not greater than 0.95.
9. The loudspeaker device of claim 1 , wherein the earphone core includes a composite vibration component including a vibration plate and a second vibration transmission plate, and the composite vibration component generates the at least two resonance peaks.
10. The loudspeaker device of claim 9 , wherein a stiffness coefficient of the vibration plate is greater than a stiffness coefficient of the second vibration transmission plate.
11. The loudspeaker device of claim 9 , wherein the composite vibration component further includes a first vibration transmission plate, the first vibration transmission plate fixing the vibration plate and the second vibration transmission plate on the core housing.
12. The loudspeaker device of claim 1 , wherein
the second vibration transmission plate is disposed as a first annular body, and the first annular body is disposed with at least two first supporting rods converged towards a center of the first annular body;
the vibration plate is disposed as a second annular body having a radius different from that of the second vibration transmission plate, and the second annular body is disposed with at least two second supporting rods converged towards a center of the second annular body; and
the center of the first annular body is fixed at the center of the second annular body.
13. The loudspeaker device of claim 12 , wherein the composite vibration component further includes:
a voice coil disposed on a lower side of the second annular body of the vibration plate;
a bottom plate;
an annular magnet disposed on the bottom plate;
an inner magnet concentrically disposed in the annular magnet;
an inner magnetic conduction plate disposed on a top surface of the inner magnet;
an annular magnetic conduction plate disposed on the annular magnet; and
a washer fixedly disposed above the annular magnetic conduction plate, the first annular body of the vibration transmission plate being fixedly connected to the washer.
14. The loudspeaker device of claim 12 , wherein the at least two first supporting rods and the at least two second supporting rods are staggered.
15. The loudspeaker device of claim 12 , wherein the center of the second annular body is a groove matching the center of the first annular body and the at least two first support rods.
16. The loudspeaker device of claim 1 , wherein the earphone core includes:
a magnetic circuit component configured to provide a magnetic field;
a coil configured to drive the core housing to vibrate;
a vibration transmission plate configured to adjust the at least two resonance peaks; and
a connector connecting the vibration transmission plate and the magnetic circuit component.
17. The loudspeaker device of claim 16 , wherein
the core housing includes a housing panel, a housing back panel, and a housing side panel;
the housing back panel is located on a side opposite to the housing panel, and arranged on two ends of the housing side panel, respectively; and
the housing panel, the housing back panel, and the housing side panel form an accommodation space accommodating the magnetic circuit component, the coil, and the vibration transmission plate.
18. The loudspeaker device of claim 17 , wherein the vibration transmission plate is connected to the core housing by a housing bracket, and the coil is disposed on the housing bracket.
19. The loudspeaker device of claim 18 , wherein the housing bracket is a part of the core housing, or is a separate component.
20. The loudspeaker device of claim 17 , wherein the housing panel, the housing back panel, and the housing side panel are combined in an integral manner, a separate combination manner, or a manner combining the integral manner and the separate combination manner.