Novel Bluetooth earphone

Abstract

The utility model relates to the field of earphones, in particular to a novel Bluetooth earphone, which comprises an earphone shell, a rear cavity and a front cavity are arranged in the earphone shell, a loudspeaker assembly is fixed in the front cavity, the loudspeaker assembly comprises a support fixed with the earphone shell, U iron is fixed at the bottom of the support, an inner magnet is fixed in the U iron, and the inner magnet is fixed in the earphone shell. An inner magnet is arranged in the support, a middle magnet is arranged outside the inner magnet, the middle magnet is arranged around the inner magnet, an outer magnet is arranged outside the middle magnet, the outer magnet is arranged around the middle magnet, an inner gap is arranged between the inner magnet and the middle magnet, an inner voice coil is arranged in the support, and the bottom of the inner voice coil is arranged in the inner gap. The magnetic induction lines of the inner magnet, the middle magnet and the outer magnet are mutually overlapped, so that the magnetic field of the inner voice coil and the outer voice coil is increased, the magnetism of the inner voice coil and the outer voice coil is enhanced, the inner vibrating diaphragm and the outer vibrating diaphragm are driven to vibrate more easily after being electrified, and the sensitivity of the inner voice coil and the outer voice coil is improved.

Description

[Technical field]

[0001] The utility model relates to the field of earphones, in particular to a novel Bluetooth earphone. [Background technology]

[0002] With the development of science and technology and the improvement of people's living standards, Bluetooth headsets are becoming an increasingly indispensable electronic device. Users wear Bluetooth headsets for entertainment activities such as making calls, listening to music, or watching videos.

[0003] However, most of the current Bluetooth headsets are single-magnet structures. For example, patent application number: CN202020043970.0 discloses a packaging structure of a Bluetooth headset, including a ring column, a guide tube fixedly installed on the side of one end of the ring column, and the data cables are arranged in the ring column through the guide tube. A magnet, a speaker diaphragm and a metal cavity are arranged in the ring column from the outside to the inside, and an in-ear rubber plug is provided at the end of the metal cavity; the magnetic field strength of this type of single-magnet speaker at the voice coil position is low, resulting in low sensitivity of the voice coil and easy noise at high frequencies.

[0004] The utility model is proposed in view of the deficiencies in the prior art. [Contents of the utility model]

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a new type of Bluetooth headset.

[0006] The utility model can be realized by the following technical solutions:

[0007] The utility model discloses a novel Bluetooth headset, comprising an earphone shell, wherein a rear cavity and a front cavity are arranged in the earphone shell, a speaker assembly is fixed in the front cavity, the speaker assembly comprises a bracket fixed to the earphone shell, a U iron is fixed at the bottom of the bracket, an inner magnet is fixed in the U iron, a middle magnet is arranged outside the inner magnet, the middle magnet is arranged around the inner magnet, an outer magnet is arranged outside the middle magnet, the outer magnet is arranged around the middle magnet, an inner gap is arranged between the inner magnet and the middle magnet, an inner voice coil is arranged in the bracket, the bottom of the inner voice coil is arranged in the inner gap, an inner diaphragm is fixed on the top of the inner voice coil, an outer gap is also arranged between the middle magnet and the outer magnet, an outer voice coil is also arranged in the bracket, the bottom of the outer voice coil is arranged in the outer gap, and an outer diaphragm is fixed on the top of the outer voice coil, an outer gap is also arranged between the middle magnet and the outer magnet, an outer voice coil is also arranged in the bracket, the bottom of the outer voice coil is arranged in the outer gap, and an outer diaphragm is fixed on the top of the outer voice coil. When the current passes through the inner voice coil after passing through the power amplifier, the inner voice coil performs cutting magnetic field movement in the permanent magnetic field, and the inner voice coil vibrates up and down, thereby driving the inner diaphragm bonded to the inner voice coil to vibrate, pushing the air to vibrate and produce sound. When the current passes through the outer voice coil after passing through the power amplifier, the outer voice coil performs cutting magnetic field movement in the permanent magnetic field, and the outer voice coil vibrates up and down, thereby driving the outer diaphragm bonded to the outer voice coil to vibrate, pushing the air to vibrate and produce sound. Low-frequency sound is produced by the outer diaphragm vibrating driven by the outer voice coil, and high-frequency sound is produced by the inner diaphragm vibrating driven by the inner voice coil. The inner diaphragm and the outer diaphragm are designed to be separated, so that when the bass vibrates, the high frequency will not be disturbed, making the vibration It does not affect the pronunciation effect of the speaker, and the sound of the high and low frequencies is purer, making the connection between the high and low frequencies more natural. In addition, an inner magnet, a middle magnet and an outer magnet are arranged in the earphone shell. The magnetic flux lines of the three magnets are superimposed on each other, thereby increasing the magnetic field at the position of the inner voice coil and the outer voice coil. The magnetic properties of the inner and outer voice coils are enhanced, and it is easier to drive the inner and outer diaphragms to vibrate after power is turned on, thereby improving the sensitivity of the inner and outer voice coils, improving product performance and noise reduction depth, and the inner voice coil is arranged in the middle position of the speaker assembly. The inner voice coil is small in size and light in weight. It is easier to vibrate after power is turned on, which can effectively avoid high-frequency sound distortion.

[0008] Preferably, a battery is fixed in the rear cavity.

[0009] Compared with the existing technology, the utility model has the following advantages:

[0010] 1. The inner diaphragm and the outer diaphragm are designed to be separated. When the bass vibrates, the high frequency will not be disturbed, so that the vibration does not affect the pronunciation effect of the speaker, and the sound of the high and low frequencies is purer, making the connection between the high and low frequencies more natural.

[0011] 2. An inner magnet, a middle magnet and an outer magnet are arranged in the earphone shell. The magnetic flux lines of the three magnets are superimposed on each other, thereby increasing the magnetic field at the positions of the inner voice coil and the outer voice coil. The magnetic properties of the inner voice coil and the outer voice coil are enhanced, and it is easier to drive the inner diaphragm and the outer diaphragm to vibrate after power is turned on, thereby improving the sensitivity of the inner voice coil and the outer voice coil, and enhancing the product performance and noise reduction depth.

[0012] 3. The inner voice coil is set in the middle of the speaker assembly. The inner voice coil is small in size and light in weight. It is easier to vibrate after being energized, which can effectively avoid high-frequency sound distortion.

Brief Description of the Drawings

[0013] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0014] Figure 1 It is a cross-sectional view of the utility model;

[0015] Figure 2 It is a cross-sectional view of the speaker assembly of the utility model;

[0016] In the figure: 1. earphone shell; 2. back cavity; 3. front cavity; 4. speaker assembly; 5. bracket; 6. U iron; 7. inner magnet; 8. middle magnet; 9. outer magnet; 10. inner voice coil; 11. inner diaphragm; 12. outer voice coil; 13. outer diaphragm; [Specific implementation method]

[0017] The following is a detailed description of the implementation of the present invention in conjunction with the accompanying drawings:

[0018] Example:

[0019] like Figure 1 to Figure 2As shown, the present embodiment discloses a novel Bluetooth headset, comprising an earphone shell 1, a rear cavity 2 and a front cavity 3 are arranged in the earphone shell 1, a speaker assembly 4 is fixed in the front cavity 3, the speaker assembly 4 comprises a bracket 5 fixed to the earphone shell 1, a U iron 6 is fixed at the bottom of the bracket 5, an inner magnet 7 is fixed in the U iron 6, a middle magnet 8 is arranged outside the inner magnet 7, the middle magnet 8 is arranged around the inner magnet 7, an outer magnet 9 is arranged outside the middle magnet 8, the outer magnet 9 is arranged around the middle magnet 8, an inner gap is arranged between the inner magnet 7 and the middle magnet 8, an inner voice coil 10 is arranged in the bracket 5, the bottom of the inner voice coil 10 is arranged in the inner gap, an inner diaphragm 11 is fixed on the top of the inner voice coil 10, an outer gap is also arranged between the middle magnet 8 and the outer magnet 9, an outer voice coil 12 is also arranged in the bracket 5, the bottom of the outer voice coil 12 is arranged in the outer gap, and an outer diaphragm 13 is fixed on the top of the outer voice coil 12. When the current passes through the inner voice coil 10 after passing through the power amplifier, the inner voice coil 10 performs a cutting magnetic field movement in the permanent magnetic field, and the inner voice coil 10 vibrates up and down, thereby driving the inner diaphragm 11 bonded to the inner voice coil 10 to vibrate, pushing the air to vibrate and produce sound. When the current passes through the outer voice coil 12 after passing through the power amplifier, the outer voice coil 12 performs a cutting magnetic field movement in the permanent magnetic field, and the outer voice coil 12 vibrates up and down, thereby driving the outer diaphragm 13 bonded to the outer voice coil 12 to vibrate, pushing the air to vibrate and produce sound. Low-frequency sound is produced by the outer diaphragm 13 vibrating when the outer voice coil 12 drives the outer diaphragm 13 to vibrate, and high-frequency sound is produced by the inner voice coil 10 driving the inner diaphragm 11 to vibrate. The inner diaphragm 11 and the outer diaphragm 13 are designed separately, so when the bass vibrates, the high frequency will not be disturbed. The vibration does not affect the pronunciation effect of the speaker, and the sound of the high and low frequencies is purer, making the connection between the high and low frequencies more natural. In addition, an inner magnet 7, a middle magnet 8 and an outer magnet 9 are arranged in the earphone shell 1. The magnetic flux lines of the three magnets, the inner magnet 7, the middle magnet 8 and the outer magnet 9, are superimposed on each other, thereby increasing the magnetic field at the position of the inner voice coil 10 and the outer voice coil 12. The magnetic properties of the inner voice coil 10 and the outer voice coil 12 are enhanced, and it is easier to drive the inner diaphragm 11 and the outer diaphragm 13 to vibrate after power is turned on, thereby improving the sensitivity of the inner voice coil 10 and the outer voice coil 12, and improving product performance and noise reduction depth. In addition, the inner voice coil 10 is arranged in the middle position of the speaker assembly 4. The inner voice coil 10 is small in size and light in weight. It is easier to vibrate after power is turned on, which can effectively avoid the occurrence of high-frequency sound distortion.

[0020] Among them, a battery is fixed in the rear cavity 2.

[0021] The above description is only a preferred implementation mode of the present utility model. It should be pointed out that for ordinary technicians in this technical field, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the technical principles of the present utility model. These changes, modifications, substitutions and variations should also be regarded as the protection scope of the present utility model.

Claims

1. A new type of Bluetooth headset, including an earphone shell, characterized in that: A rear cavity and a front cavity are provided in the earphone shell, a speaker assembly is fixed in the front cavity, the speaker assembly includes a bracket fixed to the earphone shell, a U iron is fixed at the bottom of the bracket, an inner magnet is fixed in the U iron, a middle magnet is provided outside the inner magnet, the middle magnet is arranged around the inner magnet, an outer magnet is provided outside the middle magnet, the outer magnet is arranged around the middle magnet, an inner gap is provided between the inner magnet and the middle magnet, an inner voice coil is provided in the bracket, the bottom of the inner voice coil is provided in the inner gap, an inner diaphragm is fixed on the top of the inner voice coil, an outer gap is also provided between the middle magnet and the outer magnet, an outer voice coil is also provided in the bracket, the bottom of the outer voice coil is provided in the outer gap, and an outer diaphragm is fixed on the top of the outer voice coil, an outer gap is also provided between the middle magnet and the outer magnet, an outer voice coil is also provided in the bracket, the bottom of the outer voice coil is provided in the outer gap, and an outer diaphragm is fixed on the top of the outer voice coil.

2. The new Bluetooth headset according to claim 1 is characterized in that: A battery is fixed in the rear cavity.

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