High-quality sound-quality open type headphone with adjustable sound output angle

Abstract

The invention relates to the technical field of headphones, in particular to a high-quality sound-quality open headphone with an adjustable sound output angle, which comprises a headband, two headphone bodies and two circular ring brackets, the two ends of the headband are respectively connected with an upper rotating shaft, each upper rotating shaft is respectively connected with one headphone body, and the headphone bodies can rotate around the upper rotating shafts; a circuit board is arranged in the accommodating space, the circuit board comprises a control circuit, the control circuit comprises a Bluetooth main control circuit and an audio processing circuit, and the audio processing circuit is connected with the Bluetooth main control circuit; a first loudspeaker and a second loudspeaker are arranged between the front cover and the inner shell, the first loudspeaker and the second loudspeaker are concentrically arranged, the second loudspeaker is located on the front side of the first loudspeaker, and the first loudspeaker and the second loudspeaker are jointly connected to an audio processing circuit. Compared with the prior art, the open headphone with the adjustable sound output angle and the high-quality sound quality has the advantages that the problem of poor sound quality experience caused by the fact that the open headphone is not attached to ears when being worn can be solved, the auditory sense experience of a user can be improved, and the requirement of high-quality auditory enjoyment can be met on the premise that the user feels more comfortable.

Description

Technical Field

Background Art

Summary of the Invention

[0004] A technical solution provided by the present invention to solve the above technical problems is: to provide an open-type headphone with adjustable sound output angle and high-quality sound quality, including a headband, two earphone bodies, and two circular ring brackets. Both ends of the headband are respectively connected with upper rotating shafts, and each upper rotating shaft is respectively connected with an earphone body, and the earphone body can rotate around the upper rotating shaft; the two circular ring brackets are respectively connected with lower rotating shafts, and each lower rotating shaft is respectively connected with an earphone body, and the earphone body can rotate around the lower rotating shaft; the earphone body includes a front cover, a bottom shell, and an inner shell. The front cover and the bottom shell are snap-fitted and fixed, and a receiving space is formed between the front cover and the bottom shell. The inner shell is fixed in the receiving space; a circuit board is arranged in the receiving space, and the circuit board includes a control circuit. The control circuit includes a Bluetooth main control circuit and an audio processing circuit, and the audio processing circuit is connected to the Bluetooth main control circuit; a first speaker and a second speaker are arranged between the front cover and the inner shell. The first speaker and the second speaker are concentrically arranged, and the second speaker is located in front of the first speaker. The first speaker and the second speaker are commonly connected to the audio processing circuit. Preferably, the control circuit further includes a charging management circuit, a main microphone circuit, and a noise reduction microphone circuit. The charging management circuit, the main microphone circuit, and the noise reduction microphone circuit are respectively connected to the Bluetooth main control circuit.

[0005] Preferably, the control circuit further includes an LED indicator circuit and a key circuit. The LED indicator circuit and the key circuit are respectively connected to the Bluetooth main control circuit.

[0006] Preferably, a rechargeable battery is arranged in the receiving space, and the rechargeable battery is connected to the charging management circuit.

[0007] Preferably, the two circular ring brackets are respectively located inside the two earphone bodies. The circular ring bracket includes a clamping circular ring, and the two clamping circular rings are clamped at the two sides of the ears under the action of the headband. A clearance opening is formed in the middle of the clamping circular ring, and the clearance opening is used for avoiding the ears.

[0008] Preferably, a support block is connected to the outer bottom of the clamping ring, the lower rotating shaft is connected to the support block, and the support block can pull the earphone body and the clamping ring apart.

[0009] Preferably, an upper shaft sleeve and a lower shaft sleeve are arranged in the accommodation space. An upper shaft connection hole is formed between the upper shaft sleeve and the bottom shell, and a lower shaft connection hole is formed between the lower shaft sleeve and the bottom shell. The upper shaft sleeve and the lower shaft sleeve are respectively fixedly connected to the bottom shell by screws.

[0010] Preferably, the inner shell is provided with a first speaker mounting groove, the first speaker is fixed in the first speaker mounting groove, and a wire passing hole is opened at the bottom of the first speaker mounting groove.

[0011] Preferably, a plurality of connecting ears are arranged around the inner shell, connecting columns matching the connecting ears are arranged on the inner side of the front cover, and the connecting ears and the connecting columns are fixed by screws.

[0012] Preferably, a second speaker mounting groove is arranged on the inner side of the front cover, and the second speaker is fixed in the second speaker mounting groove.

[0013] Compared with the prior art, the high-quality sound open-ear headphones with adjustable sound output angle of the present invention can make up for the problem of poor sound quality experience caused by the lack of ear fitting when wearing open-ear headphones by designing two speakers with different sizes to output sound synchronously front and back, which is beneficial to improving the user's auditory sensory experience and meeting the demand for high-quality auditory enjoyment on the premise of greater comfort.

Description of the Drawings

Detailed implementation manners

[0016] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only relative positions on the specified views, rather than absolute positions.

[0017] In addition, the descriptions such as "first" and "second" in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0018] Please refer to Figures 1 to 13 , the high-quality sound open headphones with adjustable sound output angle of the present invention include a headband 10, two headphone bodies 20 and two circular brackets 30. Both ends of the headband 10 are respectively connected with upper rotating shafts 40, and each upper rotating shaft 40 is respectively connected with a headphone body 20, and the headphone body 20 can rotate around the upper rotating shaft 40.

[0019] The two circular brackets 30 are respectively connected with lower rotating shafts 50, and each lower rotating shaft 50 is respectively connected with a headphone body 20, and the headphone body 20 can rotate around the lower rotating shaft 50.

[0020] The two circular ring brackets 30 are respectively located inside the two earphone bodies 20. The circular ring brackets 30 include clamping circular rings 31. Under the action of the headband 10, the two clamping circular rings 31 are clamped at both ears. A clearance opening 32 is formed by hollowing out the middle of the clamping circular ring 31. The clearance opening 32 is used to clear the ears to avoid pressing on the ears when wearing the earphones, so that even if worn for a long time, it will not cause ear discomfort, which is beneficial to improving the user experience.

[0021] The earphone body 20 is located outside the clearance opening 32.

[0022] For the high-quality sound open-ear headphones with adjustable sound output angle of the present invention, by designing the clamping circular ring 31, a clearance opening 32 is formed by hollowing out the middle of the clamping circular ring 31. The clearance opening 32 is used to clear the ears to avoid pressing on the ears when wearing the earphones, so that even if worn for a long time, it will not cause ear discomfort, which is beneficial to improving the user experience.

[0023] A support block 33 is connected to the outer bottom of the middle of the clamping circular ring 31. The lower rotating shaft 50 is connected to the support block 33. The support block 33 can pull the earphone body 20 and the clamping circular ring 31 apart by a certain distance, so as to avoid the earphone body 20 pressing on the ears when wearing the earphones.

[0024] An upper shaft connection hole 21 is opened on the upper side of the earphone body 20, and a lower shaft connection hole 24 is opened on the lower side of the earphone body 20. The upper shaft connection hole 21 and the lower shaft connection hole 24 are corresponding up and down. The upper rotating shaft 40 is connected to the upper shaft connection hole 21 and cannot be pulled out. The lower rotating shaft 50 is connected to the lower shaft connection hole 24 and cannot be pulled out. The earphone body 20 can be rotated and adjusted within a certain angle range, so as to be more suitable for the ears.

[0025] A lower limit step 51 is provided on the lower rotating shaft 50, and an upper limit step is provided on the upper rotating shaft 40. The limit steps are used to limit the rotation angle of the earphone body 20 to avoid accidental injury to the ears caused by excessive rotation and ensure the use safety.

[0026] A charging interface 22 and function buttons 23 are provided on the earphone body 20. The charging interface 22 is used to charge the earphone, and the function buttons 23 are used to operate the earphone.

[0027] The outer side of the clamping circular ring 31 is wrapped with a layer of skin-friendly soft material to improve the comfort during wearing.

[0028] For the high-quality sound open-ear headphones with adjustable sound output angle of the present invention, by designing the clamping circular ring 31, a clearance opening 32 is formed by hollowing out the middle of the clamping circular ring 31. The clearance opening 32 is used to clear the ears to avoid pressing on the ears when wearing the earphones, so that even if worn for a long time, it will not cause ear discomfort, which is beneficial to improving the user experience.

[0029] The earphone body 20 includes a front cover 26, a bottom shell 25 and an inner shell 27. The front cover 26 and the bottom shell 25 are snap-fitted and fixed, and an accommodation space is formed between the front cover 26 and the bottom shell 25. The inner shell 27 is fixed in the accommodation space.

[0030] A circuit board is arranged in the accommodation space. The circuit board includes a control circuit. The control circuit includes a Bluetooth main control circuit and an audio processing circuit, and the audio processing circuit is connected to the Bluetooth main control circuit.

[0031] The Bluetooth main control circuit uses a chip of model BT8932E.

[0032] The model of the audio processing circuit is NE5532. The audio processing circuit includes an audio power amplifier chip of model XA8012.

[0033] A first speaker 281 and a second speaker 282 are arranged between the front cover 26 and the inner shell 27. The first speaker 281 and the second speaker 282 are concentrically arranged. The second speaker 282 is located on the front side of the first speaker 281. The first speaker 281 and the second speaker 282 are commonly connected to the audio processing circuit.

[0034] Both the first speaker 281 and the second speaker 282 are circular, and the distance between the first speaker 281 and the second speaker 282 is 3 mm - 8 mm.

[0035] The size of the second speaker 282 is smaller than that of the first speaker 281, and the size of the second speaker 282 accounts for one-fifth to one-third of the size of the first speaker 281.

[0036] For the high-quality sound open-ear headphones with adjustable sound output angle of the present invention, by designing two speakers with different sizes to output sound synchronously front and back, the problem of poor sound quality experience caused by the non-fitting of the open-ear headphones when worn can be compensated, which is beneficial to improving the user's auditory sensory experience and meeting the demand for high-quality auditory enjoyment on the premise of greater comfort.

[0037] The control circuit further includes a charging management circuit, a main microphone circuit and a noise reduction microphone circuit. The charging management circuit, the main microphone circuit and the noise reduction microphone circuit are respectively connected to the Bluetooth main control circuit. The charging management circuit includes a chip of model NS2201B.

[0038] A rechargeable battery 291 is arranged in the accommodation space. The rechargeable battery 291 is connected to the charging management circuit.

[0039] The control circuit further includes an LED indicator circuit and a button circuit, and the LED indicator circuit and the button circuit are respectively connected to the Bluetooth main control circuit. The function button 23 is connected to the button circuit.

[0040] An upper shaft sleeve 292 and a lower shaft sleeve 293 are arranged in the accommodation space. An upper shaft connection hole 21 is formed between the upper shaft sleeve 292 and the bottom case 25, and a lower shaft connection hole 24 is formed between the lower shaft sleeve 293 and the bottom case 25. The upper shaft sleeve 292 and the lower shaft sleeve 293 are respectively fixedly connected to the bottom case 25 by screws.

[0041] The inner case 27 is provided with a first speaker mounting groove 271, the first speaker 281 is fixed in the first speaker mounting groove 271, and a wire passing hole 273 is opened at the bottom of the first speaker mounting groove 271 for threading.

[0042] A plurality of connecting ears 272 are arranged around the inner case 27. Connecting columns 262 matching the connecting ears 272 are arranged on the inner side of the front cover 26. The connecting ears 272 and the connecting columns 262 are fixed by screws.

[0043] The inner side of the front cover 26 is provided with a second speaker mounting groove 261, and the second speaker 282 is fixed in the second speaker mounting groove 261.

[0044] Sound outlet holes 263 are opened on the surface of the front cover 26 for sound output.

[0045] A plurality of buckles 264 are arranged on the inner side of the front cover 26, and clamping grooves 251 matching the buckles 264 are arranged on the inner side of the bottom case 25. The buckles 264 are clamped in the clamping grooves 251.

[0046] Compared with the prior art, for the high-quality sound open-type headphone with adjustable sound outlet angle of the present invention, by designing two speakers with different sizes to output sound synchronously front and back, the problem of poor sound quality experience caused by the non-fitting of the open-type headphone when worn can be compensated, which is beneficial to improving the user's auditory sensory experience and meeting the demand for high-quality auditory enjoyment on the premise of greater comfort.

[0047] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any modifications, equivalent substitutions, improvements, etc. made within the concept of the present invention shall be included in the patent protection scope of the present invention.

Claims

1. A high-quality sound open-headset with adjustable sound output angle, characterized in that, It includes a headband, two earphone bodies and two circular brackets. Both ends of the headband are respectively connected with upper rotating shafts, and each upper rotating shaft is respectively connected with an earphone body. The earphone body can rotate around the upper rotating shaft; Both of the two circular brackets are respectively connected with lower rotating shafts, and each lower rotating shaft is respectively connected with an earphone body. The earphone body can rotate around the lower rotating shaft; The earphone body includes a front cover, a bottom shell and an inner shell. The front cover and the bottom shell are clamped and fixed, and an accommodation space is formed between the front cover and the bottom shell. The inner shell is fixed in the accommodation space; A circuit board is arranged in the accommodation space. The circuit board includes a control circuit. The control circuit includes a Bluetooth main control circuit and an audio processing circuit. The audio processing circuit is connected with the Bluetooth main control circuit; A first loudspeaker and a second loudspeaker are arranged between the front cover and the inner shell. The first loudspeaker and the second loudspeaker are concentrically arranged, and the second loudspeaker is located on the front side of the first loudspeaker. The first loudspeaker and the second loudspeaker are jointly connected to the audio processing circuit.

2. The high-quality sound open earphone with adjustable sound output angle according to claim 1, characterized in that The control circuit further includes a charging management circuit, a main microphone circuit and a noise reduction microphone circuit. The charging management circuit, the main microphone circuit and the noise reduction microphone circuit are respectively connected with the Bluetooth main control circuit.

3. The high-quality sound open-type headphone with adjustable sound output angle as claimed in claim 1, wherein The control circuit further includes an LED indicator circuit and a key circuit. The LED indicator circuit and the key circuit are respectively connected with the Bluetooth main control circuit.

4. The high-quality sound open-ear headphones with adjustable sound output angle according to claim 2, characterized in that, A rechargeable battery is arranged in the accommodation space. The rechargeable battery is connected with the charging management circuit.

5. The high-quality sound open-ear headphones with adjustable sound output angle as claimed in claim 1, characterized in that, The two circular brackets are respectively located on the inner sides of the two earphone bodies. The circular bracket includes a clamping circular ring. The two clamping circular rings are clamped at the positions of both ears under the action of the headband. A clearance opening is formed by hollowing out the middle part of the clamping circular ring, and the clearance opening is used for clearing the ears.

6. The high-quality sound open earphone with adjustable sound output angle as claimed in claim 5, characterized in that, A support block is connected to the outer bottom of the middle part of the clamping circular ring. The lower rotating shaft is connected to the support block, and the support block can pull the earphone body and the clamping circular ring apart.

7. The high-quality sound open earphone with adjustable sound output angle according to claim 1, characterized in that, An upper shaft sleeve and a lower shaft sleeve are arranged in the accommodation space. An upper shaft connection hole is formed between the upper shaft sleeve and the bottom shell, and a lower shaft connection hole is formed between the lower shaft sleeve and the bottom shell. The upper shaft sleeve and the lower shaft sleeve are respectively fixedly connected with the bottom shell by screws.

8. The high-quality sound open-type over-ear headphones with adjustable sound output angle according to claim 1, characterized in that, The inner shell is provided with a first loudspeaker mounting groove. The first loudspeaker is fixed in the first loudspeaker mounting groove, and a wire passing hole is opened at the bottom of the first loudspeaker mounting groove.

9. The high-quality sound open-headset with adjustable sound output angle as claimed in claim 1, wherein A plurality of connecting ears are arranged around the inner shell. Connecting columns matched with the connecting ears are arranged on the inner side of the front cover. The connecting ears and the connecting columns are fixed by screws.

10. The high-quality sound open-ear headphones with adjustable sound output angle as claimed in claim 1, characterized in that, A second loudspeaker mounting groove is arranged on the inner side of the front cover. The second loudspeaker is fixed in the second loudspeaker mounting groove.

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