Headphones

1 . A headphone, comprising:

a supporting assembly and a core module connected with the supporting assembly, wherein the supporting assembly is configured to support the core module to be worn at a wearing position, the core module includes a core housing, a transducer device, and a vibration panel, the transducer device is provided in a accommodating cavity of the core housing, and the vibration panel is connected with the transducer device and is configured to transmit a mechanical vibration generated by the transducer device to a user, wherein

the supporting assembly is a header-beam assembly, the header-beam assembly is configured to wrap around a top of a head of the user to allow the core module to contact a cheek of the user such that the core module transmits a mechanical vibration generated by the core module through bone conduction, in a wearing state, the header-beam assembly and the top of the head form a first contacting point, the core module and the cheek of the user form a second contacting point, the header-beam assembly and the head of the user also form a third contacting point, and the third contacting point is between the first contacting point and the second contacting point along a vertical axis of the user, wherein

the header-beam assembly includes an arcuate header-beam member configured to wrap around the top of the head of the user, the arcuate header-beam member includes an inner compartment body, an inner cover body, and an outer cover body, the inner compartment body is elastic and configured to contact the head of the user, the inner cover body and the inner compartment body are connected with a same side of the outer cover body, one end of the inner compartment body extends between the inner cover body and the outer cover body, and during a process that both ends of the header-beam assembly are gradually pulled away from each other, at least a portion of the inner compartment body is capable of being withdrawn from between the inner cover body and the outer cover body.

2 . The headphone of claim 1 , wherein when the header-beam assembly forms the third contacting point with the head of the user, at least a portion of the header-beam assembly between the first contacting point and the second contacting point does not contact the head of the user.

3 . The headphone of claim 1 , wherein the header-beam assembly and each of both sides of the head of the user form the third contacting point, both ends of the header-beam assembly are respectively connected with one of two core modules, and each of the two core modules and the cheek of the user form the second contacting point.

4 . The headphone of claim 1 , wherein in the wearing state, the headphone applies a pressing force directed to the head of the user at the first contacting point, the second contacting point, and the third contacting point, respectively, wherein the pressing force at the second contacting point is between 0.2 N and 2 N, and the pressing force at the third contacting point is between 0.3 N and 2 N.

5 . The headphone of claim 1 , wherein the header-beam assembly includes an arcuate header-beam member and two auxiliary members connected with the arcuate header-beam member, the arcuate header-beam member is configured to wrap around the top of the head of the user, the core module is connected with the arcuate header-beam member, and in the wearing state, the two auxiliary members and both sides of the head of the user respectively form third contacting points.

6 . The headphone of claim 5 , wherein the two auxiliary members are elastic such that when the headphone is worn by users with heads of different sizes, an amount of a change of the pressing force at the second contacting point due to different degrees of elastic deformations of the auxiliary members is less than or equal to 0.2 N.

7 . The headphone of claim 6 , wherein the header-beam assembly further includes an adapter member connecting the arcuate header-beam member and the core module, the adapter member allows the core module to move close to or away from the arcuate header-beam member along an extension direction of the header-beam assembly, the arcuate header-beam member provides a first pressing force for the core module in a first using state, the arcuate header-beam member provides a second pressing force for the core module in a second using state, and the auxiliary members are configured such that an absolute value of a difference between the second pressing force and the first pressing force is between 0 and 0.1 N; and

wherein in the first using state, each adapter member of two adapter members at both ends of the arcuate header-beam member has a first extension relative to the arcuate header-beam member, and two core modules at the both ends of the header-beam assembly have a first spacing between each other, in the second using state, the each adapter member has a second extension relative to the arcuate header-beam member, and the two core modules at the both ends of the header-beam assembly have a second spacing between each other, the first extension is greater than the first extension, and the second spacing is greater than the first spacing.

8 . The headphone of claim 7 , wherein the first pressing force and the second pressing force are between 0.4 N and 0.8 N.

9 . The headphone of claim 5 , wherein in a natural state, the header-beam assembly has a first reference plane and a second reference plane, the first reference plane and the second reference plane being orthogonal to each other, the two auxiliary members are symmetrically provided relative to the first reference plane, the second reference plane passes over a highest point and two endpoints of the arcuate header-beam member, when the arcuate header-beam member and the two auxiliary members are projected onto the second reference plane, and in the second reference plane, a line connecting a fixed end and a free end of one of the two auxiliary members has a first projection magnitude at a first reference direction parallel to a line connecting the two endpoints and has a second projection magnitude at a second reference direction perpendicular to the line connecting the two endpoints, and a ratio of the second projection magnitude to the first projection magnitude is between 1 and 5; and/or

an equivalent elasticity coefficient of one of the auxiliary members is between 100 N/m and 180 N/m.

10 . The headphone of claim 9 , wherein each of the two auxiliary members is fixed to an end portion of the arcuate header-beam member, the line connecting any one of the two endpoints and the highest point of the arcuate header-beam member has a third projection magnitude along the first reference direction parallel to the line connecting the two endpoints and has a fourth projection magnitude along the second reference direction perpendicular to the line connecting the two endpoints, and a ratio of the second projection magnitude to the fourth projection magnitude is between 0.1 and 0.5.

11 . The headphone of claim 5 , wherein each of the two auxiliary members is a cantilever relative to the arcuate header-beam member.

12 . The headphone of claim 11 , wherein in a head-down state, the pressing force at the first contacting point forms a first resistance torque relative to the second contacting point, the pressing force at the third contacting point forms a second resistance torque relative to the second contacting point, the pressing force at the second contacting point forms a third resistance torque relative to a contact surface between the core module and the cheek of the user when the header-beam assembly includes the auxiliary piece, and the pressing force at the second contacting point forms a fourth resistance torque relative to the contact surface between the core module and the cheek of the user when the header-beam assembly does not include the auxiliary member, and a combined torque formed by the first resistance torque, the second resistance torque, and the third resistance torque is greater than a combined torque formed by the first resistance torque and the fourth resistance torque.

13 . The headphone of claim 12 , wherein in a natural state, the header-beam assembly has a first reference plane and a second reference plane orthogonal to each other, the two auxiliary members are symmetrically provided relative to the first reference plane, the second reference plane passes over a highest point of the arcuate header-beam member and two endpoints of the arcuate header-beam member, when the arcuate header-beam member and the two auxiliary members are projected onto the second reference plane, and in the second reference plane, a distance between a fixed end of an auxiliary member of the two auxiliary members connected with the arcuate header-beam member and the core module adjacent to the auxiliary member has a projection magnitude in a second reference direction perpendicular to a line connecting the two endpoints, and the projection magnitude is between 40 mm and 120 mm.

14 . The headphone of claim 11 , wherein the two auxiliary members extend toward an intermediate region of the arcuate header-beam member, in a natural state, the header-beam assembly has a first reference plane and a second reference plane orthogonal to each other, the two auxiliary members are symmetrically provided relative to the first reference plane, the second reference plane passes over a highest point and two endpoints of the arcuate header-beam member, when the arcuate header-beam member and the two auxiliary members are projected onto the second reference plane, and in the second reference plane, a fixed end of an auxiliary member of the two auxiliary member connected with the arcuate header-beam member has a first distance from the highest point along a reference direction perpendicular to a line connecting the two endpoints, a position where the core module is connected with the header-beam assembly has a second distance from the highest point along the reference direction, and a ratio of the first distance to the second distance is between ⅓ and ½.

15 . The headphone of claim 11 , wherein the two auxiliary member extend toward an end portion of the arcuate header-beam member, in a natural state, the header-beam assembly has a first reference plane and a second reference plane orthogonal to each other, the two auxiliary members are symmetrically provided relative to the first reference plane, the second reference plane passes over a highest point and two endpoints of the arcuate header-beam member, when the arcuate header-beam member and the two auxiliary members are projected onto the second reference plane, and in the second reference plane, a fixed end of an auxiliary member of the two auxiliary members connected with the arcuate header-beam member has a third distance from the highest point along a reference direction perpendicular to a line connecting the two endpoints, the position where the core module is connected with the header-beam assembly has a fourth distance from the highest point along the reference direction, and a ratio of the third distance to the fourth distance is between ⅕ and ⅓.

16 . The headphone of claim 11 , wherein each auxiliary member of the two auxiliary members includes a fixing portion, a first extending portion connected with the fixing portion, and a second extending portion connected with the first extending portion, the fixing portion is connected with the arcuate header-beam member, the first extending portion and the second extending portion is disposed on a side of the arcuate header-beam member facing the head of the user in the wearing state and is provided at intervals from the arcuate header-beam member in a natural state, a width of the second extending portion is greater than a width of the first extending portion, and the second extending portion is configured to form the third contacting point with the head of the user in the wearing state.

17 . The headphone of claim 16 , wherein an area of the second extending portion contacting the head of the user is between 2 cm2 and 8 cm2.

18 . The headphone of claim 16 , wherein a friction coefficient of the second extending portion is greater than a friction coefficient of the first extending portion.

19 . The headphone of claim 16 , wherein in the wearing state and viewed along the vertical axis of the user, second extending portions of the two auxiliary members are close to each other towards a rear side of the head of the user.

20 . The headphone of claim 19 , wherein in the natural state, the header-beam assembly has a first reference plane and a second reference plane orthogonal to each other, the two auxiliary members are symmetrically provided relative to the first reference plane, the second reference plane passes over a highest point and two endpoints of the arcuate header-beam member, and an angle between an average normal of the second extending portion of each auxiliary member and the second reference plane is between 5 degrees and 10 degrees.