Speaker device
The present disclosure relates to a speaker device including a circuit housing, an ear hook, a rear hook, and a speaker assembly. The speaker assembly may include a headphone core and a housing for accommodating the headphone core, the housing may include a housing panel facing a human body and a housing back opposite to the housing panel, and the headphone core may cause the housing panel and the housing back to vibrate. An absolute value of a difference between a first phase of a vibration of the housing panel and a second phase of a vibration of the housing back may be less than 60 degrees when a frequency of each of the vibration of the housing panel and the vibration of the housing back is between 2000 Hz and 3000 Hz.
1. A speaker device, comprising a circuit housing, an ear hook, a rear hook, and a speaker assembly, wherein
the circuit housing is configured to accommodate a control circuit or a battery;
the ear hook is connected to a first end of the circuit housing;
the rear hook is connected to a second end of the circuit housing; and
the speaker assembly is connected to an end of the ear hook, the speaker assembly includes a headphone core and a housing for accommodating the headphone core, the housing includes a housing panel facing a human body and a housing back opposite to the housing panel, the headphone core causes the housing panel and the housing back to vibrate, a vibration of the housing panel has a first phase, a vibration of the housing back has a second phase, and an absolute value of a difference between the first phase and the second phase is less than 60 degrees when a frequency of each of the vibration of the housing panel and the vibration of the housing back is between 2000 Hz and 3000 Hz.
2. The speaker device of claim 1 , wherein
the vibration of the housing panel has a first amplitude,
the vibration of the housing back has a second amplitude, and
a ratio of the first amplitude to the second amplitude is within a range of 0.5 to 1.5.
3. The speaker device of claim 1 , wherein
the vibration of the housing panel generates a first sound leakage wave,
the vibration of the housing back generates a second sound leakage sound wave, and
the first sound leakage wave and the second sound leakage wave have an overlap, which reduces an amplitude of the first sound leakage wave.
4. The speaker device of claim 1 , wherein
the housing panel and one or more other components of the housing are connected via at least one of a bonding connection, a snaping connection, a welding connection, or a threaded connection.
5. The speaker device of claim 1 , wherein
at least one of the housing panel or the housing back is made of fiber reinforced plastic material.
6. The speaker device of claim 1 , wherein
the vibration caused by the headphone core generates a driving force;
the housing panel is connected to the headphone core via a transmission connection mode;
at least a portion of the housing panel is connected or against the human body such that a sound is conducted;
an area of the housing panel contacted or against the human body includes a normal line, a line where the driving force locates being not parallel to the normal line.
7. The speaker device of claim 6 , wherein
a positive direction of the line where the driving force locates is set outwards the speaker device from the housing panel,
a positive direction of the normal line is set outwards the speaker device, and
an angle formed between the line where the driving force locates along the positive direction of the line and the normal line along the positive direction of the normal line is an acute angle.
8. The speaker device of claim 6 , wherein
the headphone core includes a coil and a magnetic circuit component,
axes of the coil and the magnetic circuit component are not parallel to the normal line, and
the axes of the coil and the magnetic circuit component are perpendicular to a radial plane of the coil or a radial plane of the magnetic circuit component.
9. The speaker device of claim 6 , wherein
the driving force has a component in a first quadrant and/or a third quadrant of an XOY plan coordinate system,
the origin of the XOY plan coordinate system is located on a contact surface between the speaker device and the human body,
an X-axis of the XOY plan coordinate system is parallel to a coronal axis of the human body,
a Y-axis is parallel to a sagittal axis of the human body, and
a positive direction of the X-axis faces outside of the human body, and
a positive direction of the Y-axis faces the front of the human body.
10. The speaker device of claim 6 , wherein
the area of the housing panel connected or against the human body includes a plane or a quasi-plane.
11. The speaker device of claim 1 , wherein
the headphone core further includes a magnetic circuit assembly, the magnetic circuit assembly generating a first magnetic field,
the magnetic circuit assembly includes a first magnetic element, a first magnetically conductive element, at least one second magnetic element,
the first magnetic element generates a second magnetic field,
the at least one second magnetic element surrounds the first magnetic element,
a magnetic gap is formed between the first magnetic element and the at least one second magnetic element, and
an intensity of the first magnetic field in the magnetic gap is greater than an intensity of the second magnetic field in the magnetic gap.
12. The speaker device of claim 11 , further comprising a second magnetically conductive element and at east one third magnetic element, wherein
the at least one third magnetic element is connected to the second magnetically conductive element and the at least one second magnetic element.
13. The speaker device of claim 12 , further comprising at least one fourth magnetic element, wherein
the at least one fourth magnetic element is disposed below the magnetic gap and connected to the first magnetic element and the second magnetically conductive element.
14. The speaker device of claim 12 , wherein
the first magnetically conductive element is connected to an upper surface of the first magnetic element,
the second magnetically conductive element includes a bottom plate and a side wall, and
the first magnetic element is connected to the bottom plate of the second magnetically conductive element.
15. The speaker device of claim 12 further comprising at least one conductive element, wherein
the at least one conductive element is connected to at least one of the first magnetic element, the first magnetically conductive element, or the second magnetically conductive element.
16. The speaker device of claim 11 , further comprising at least one fifth magnetic element, wherein
the at least one fifth magnetic element is connected to an upper surface of the first magnetically conductive element.
17. The speaker device of claim 16 , further comprising a third magnetically conductive element, wherein
the third magnetic element is connected to an upper surface of the fifth magnetic element and configured to suppress field intensity leakage of the first magnetic field.