High-quality sound open headphone with adjustable sound angle
By designing an adjustable sound output angle headphone structure and a control circuit for simultaneous sound output from dual speakers, the problem of poor sound quality when wearing open-back headphones has been solved, improving the user's auditory sensory experience and sound quality, and achieving a high-quality and comfortable listening experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 畅达星科技(深圳)有限公司
- Filing Date
- 2025-06-06
- Publication Date
- 2026-06-02
AI Technical Summary
Existing open-back headphones, because the earpieces do not fit snugly against the ears, result in a poor auditory experience for users and fail to meet the demand for high-quality listening enjoyment.
Designed to deliver high-quality sound from an adjustable-angle open-back headphone, featuring a rotatable headphone body and a clamping ring support. Combined with dual speakers of different sizes that output sound synchronously from the front and rear, the headphones ensure a perfect fit to the ears, and the sound quality is enhanced through control circuitry.
It enhances the user's auditory sensory experience, satisfies the desire for high-quality sound, and solves the problem of poor sound quality when wearing open-back headphones while maintaining comfort.
Smart Images
Figure CN224319490U_ABST
Abstract
Description
[Technical Field]
[0002] This utility model relates to the field of headphone technology, and in particular to a high-quality open-back headphone with adjustable sound output angle. [Background Technology]
[0004] Existing open-back headphones, because the earpieces do not fit snugly against the ears, result in a poor auditory experience for users, which is not conducive to meeting the demand for high-quality auditory enjoyment. [Utility Model Content]
[0006] To overcome the above problems, this utility model proposes a high-quality open-back headphone with adjustable sound output angle that can effectively solve the above problems.
[0007] The present invention provides a technical solution to the above-mentioned technical problems: a high-quality open-back headphone with adjustable sound output angle, comprising a headband, two earphone bodies, and two circular brackets. Each end of the headband is connected to an upper rotating shaft, and each upper rotating shaft is connected to one earphone body, allowing the earphone body to rotate around the upper rotating shaft. Each of the two circular brackets is connected to a lower rotating shaft, and each lower rotating shaft is connected to one earphone body, allowing the earphone body to rotate around the lower rotating shaft. Each earphone body includes a front cover, a bottom shell, and an inner shell. The front cover and bottom shell are snap-fitted together, forming an accommodating space between them. The inner shell is fixed within this accommodating space. A circuit board is disposed within the accommodating space, and the circuit board includes a control circuit, which includes a Bluetooth main control circuit and an audio processing circuit. The audio processing circuit is connected to the Bluetooth main control circuit. A first speaker and a second speaker are disposed between the front cover and the inner shell, concentrically arranged, with the second speaker located in front of the first speaker. The first and second speakers are jointly connected to the audio processing circuit.
[0008] Preferably, the control circuit further includes a charging management circuit, a main microphone circuit, and a noise-canceling microphone circuit, which are respectively connected to the Bluetooth main control circuit.
[0009] Preferably, the control circuit further includes an LED indicator circuit and a button circuit, which are respectively connected to the Bluetooth master control circuit.
[0010] Preferably, a rechargeable battery is disposed within the accommodating space, and the rechargeable battery is connected to a charging management circuit.
[0011] Preferably, the two circular brackets are located on the inner side of the two earphone bodies respectively. The circular brackets include clamping rings. The two clamping rings are clamped to the ears on both sides under the action of the headband. The clamping rings have a hollowed-out opening in the middle to prevent air from entering the ears.
[0012] Preferably, a support block is connected to the bottom outer side of the clamping ring, and the lower rotating shaft is connected to the support block. The support block can pull the earphone body away from the clamping ring.
[0013] Preferably, an upper bushing and a lower bushing are provided in the accommodating space, an upper bushing connection hole is formed between the upper bushing and the bottom shell, and a lower bushing connection hole is formed between the lower bushing and the bottom shell. The upper bushing and the lower bushing are respectively fixedly connected to the bottom shell by screws.
[0014] 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 hole is provided at the bottom of the first speaker mounting groove.
[0015] Preferably, the inner shell is provided with a plurality of connecting ears around its perimeter, and the inner side of the front cover is provided with a connecting post that matches the connecting ears, and the connecting ears and the connecting post are fixed together by screws.
[0016] Preferably, a second speaker mounting groove is provided on the inner side of the front cover, and the second speaker is fixed in the second speaker mounting groove.
[0017] Compared with existing technologies, the high-quality open-back headphones with adjustable sound output angle of this invention, by designing dual speakers of different sizes to output sound synchronously from the front and rear, can make up for the problem of poor sound quality caused by open-back headphones not fitting the ears properly when worn, which helps to improve the user's auditory sensory experience and meet the demand for high-quality listening enjoyment under the premise of greater comfort. [Attached Image Description]
[0019] Figure 1 This is a perspective view of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0020] Figure 2 An exploded view of the high-quality open-back headphones with adjustable sound output angle according to this utility model;
[0021] Figure 3 This is a perspective view of the circular support frame of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0022] Figure 4 This is a perspective view of the headphone body of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0023] Figure 5This is a first internal view of the headphone body of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0024] Figure 6 This is a second internal view of the headphone body of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0025] Figure 7 This is a perspective view of the inner shell of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0026] Figure 8 This is a perspective view of the front cover of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0027] Figure 9 This is a perspective view of the bottom shell of the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0028] Figure 10 This is a block diagram of the control circuit for the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0029] Figure 11 This is a schematic diagram of the Bluetooth main control circuit for the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0030] Figure 12 This is a schematic diagram of the audio processing circuit for the high-quality open-back headphones with adjustable sound output angle according to this utility model.
[0031] Figure 13 This is a schematic diagram of the charging management circuit for the high-quality open-back headphones with adjustable sound output angle according to this utility model.
Detailed Implementation Methods
[0033] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this utility model.
[0034] It should be noted that in this embodiment of the invention, all directional indications (such as up, down, left, right, front, back, etc.) are limited to relative positions on the specified view, rather than absolute positions.
[0035] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0036] Please see Figures 1 to 13 The present invention relates to a high-quality open-back headphone with adjustable sound output angle, comprising a headband 10, two headphone bodies 20 and two circular brackets 30. The two ends of the headband 10 are respectively connected to an upper rotating shaft 40, and each upper rotating shaft 40 is connected to a headphone body 20. The headphone body 20 can rotate around the upper rotating shaft 40.
[0037] The two circular brackets 30 are respectively connected to a lower rotating shaft 50, and each lower rotating shaft 50 is connected to an earphone body 20. The earphone body 20 can rotate around the lower rotating shaft 50.
[0038] The two circular brackets 30 are located on the inner side of the two earphone bodies 20 respectively. The circular brackets 30 include clamping rings 31. The two clamping rings 31 are clamped to the ears on both sides under the action of the headband 10. The clamping rings 31 have a hollowed-out opening 32 in the middle to avoid the ears from being exposed, so as to avoid pressure on the ears when wearing the earphones. Even if worn for a long time, it will not cause ear discomfort, which helps to improve the user experience.
[0039] The headphone body 20 is located outside the air vent 32.
[0040] This invention relates to a high-quality open-back headphone with adjustable sound output angle. By designing a clamping ring 31, the clamping ring 31 has a hollowed-out opening 32 in the middle to prevent pressure on the ears when wearing the headphones. This design ensures that the headphones will not cause ear discomfort even after prolonged wear, thus improving the user experience.
[0041] The clamping ring 31 has a support block 33 connected to its outer bottom. The lower rotating shaft 50 is connected to the support block 33. The support block 33 can pull the earphone body 20 away from the clamping ring 31 by a certain distance, thereby preventing the earphone body 20 from pressing on the ears when wearing the earphone.
[0042] The earphone body 20 has an upper shaft connection hole 21 on its upper side and a lower shaft connection hole 24 on its lower side. The upper shaft connection hole 21 and the lower shaft connection hole 24 correspond vertically. The upper rotating shaft 40 is connected to the upper shaft connection hole 21 and cannot be pulled out, and 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 to better fit the ear.
[0043] The lower rotating shaft 50 is provided with a lower limit step 51, and the upper rotating shaft 40 is provided with an upper limit step. The limit steps are used to limit the rotation angle of the earphone body 20 to avoid excessive rotation and cause accidental damage to the ears, thus ensuring safe use.
[0044] The earphone body 20 is provided with a charging port 22 and a function button 23. The charging port 22 is used to charge the earphone, and the function button 23 is used to operate the earphone.
[0045] The outer side of the clamping ring 31 is wrapped with a layer of skin-friendly soft material to improve wearing comfort.
[0046] This invention relates to a high-quality open-back headphone with adjustable sound output angle. By designing a clamping ring 31, the clamping ring 31 has a hollowed-out opening 32 in the middle to prevent pressure on the ears when wearing the headphones. This design ensures that the headphones will not cause ear discomfort even after prolonged wear, thus improving the user experience.
[0047] The headphone 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 snapped together and fixed, forming an accommodating space between the front cover 26 and the bottom shell 25. The inner shell 27 is fixed within the accommodating space.
[0048] A circuit board is provided within the accommodating space. The circuit board includes a control circuit, which includes a Bluetooth master control circuit and an audio processing circuit. The audio processing circuit is connected to the Bluetooth master control circuit.
[0049] The Bluetooth main control circuit uses the BT8932E chip.
[0050] The audio processing circuit is model NE5532. The audio processing circuit includes an XA8012 audio amplifier chip.
[0051] A first speaker 281 and a second speaker 282 are disposed between the front cover 26 and the inner shell 27. The first speaker 281 and the second speaker 282 are concentrically arranged, and the second speaker 282 is located in front of the first speaker 281. The first speaker 281 and the second speaker 282 are connected to the audio processing circuit.
[0052] 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 3mm-8mm.
[0053] The second speaker 282 is smaller than the first speaker 281, and the size of the second speaker 282 is one-fifth to one-third of the size of the first speaker 281.
[0054] This invention relates to a high-quality open-back headphone with adjustable sound output angle. By designing dual speakers of different sizes to output sound synchronously from the front and back, it can compensate for the poor sound quality caused by open-back headphones not fitting snugly to the ears, thereby improving the user's auditory sensory experience and meeting the demand for high-quality listening enjoyment while being more comfortable.
[0055] The control circuit also includes a charging management circuit, a main microphone circuit, and a noise-canceling microphone circuit, which are respectively connected to the Bluetooth main control circuit. The charging management circuit includes an NS2201B chip.
[0056] A rechargeable battery 291 is provided in the accommodating space, and the rechargeable battery 291 is connected to the charging management circuit.
[0057] The control circuit also includes an LED indicator circuit and a button circuit, which are respectively connected to the Bluetooth main control circuit. The function button 23 is connected to the button circuit.
[0058] The accommodating space is provided with an upper bushing 292 and a lower bushing 293. An upper bushing hole 21 is formed between the upper bushing 292 and the bottom shell 25, and a lower bushing hole 24 is formed between the lower bushing 293 and the bottom shell 25. The upper bushing 292 and the lower bushing 293 are respectively fixedly connected to the bottom shell 25 by screws.
[0059] The inner shell 27 is provided with a first speaker mounting groove 271, and the first speaker 281 is fixed in the first speaker mounting groove 271. A wire hole 273 is provided at the bottom of the first speaker mounting groove 271 for threading wires.
[0060] The inner shell 27 is provided with a plurality of connecting ears 272 around its perimeter, and the front cover 26 is provided with connecting posts 262 that match the connecting ears 272 on its inner side. The connecting ears 272 and the connecting posts 262 are fixed together by screws.
[0061] 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.
[0062] The surface of the front cover 26 is provided with a sound outlet 263 for sound emission.
[0063] The front cover 26 has a plurality of buckles 264 on its inner side, and the bottom shell 25 has a slot 251 that matches the buckles 264 on its inner side, and the buckles 264 are engaged in the slot 251.
[0064] Compared with existing technologies, the high-quality open-back headphones with adjustable sound output angle of this invention, by designing dual speakers of different sizes to output sound synchronously from the front and rear, can make up for the problem of poor sound quality caused by open-back headphones not fitting the ears properly when worn, which helps to improve the user's auditory sensory experience and meet the demand for high-quality listening enjoyment under the premise of greater comfort.
[0065] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the concept of the present utility model should be included within the patent protection scope of the present utility model.
Claims
1. A high-quality open-back headphone with adjustable sound output angle, characterized in that: It includes a headband, two earphone bodies and two circular brackets. The two ends of the headband are respectively connected to upper rotating shafts, and each upper rotating shaft is connected to an earphone body. The earphone body can rotate around the upper rotating shaft. The two circular brackets are each connected to a lower rotating shaft, and each lower rotating shaft is connected to 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 snapped together and fixed, forming an accommodating space between the front cover and the bottom shell. The inner shell is fixed within the accommodating space. A circuit board is provided within the accommodating space. The circuit board includes a control circuit, which includes a Bluetooth master control circuit and an audio processing circuit. The audio processing circuit is connected to the Bluetooth master control circuit. A first speaker and a second speaker are disposed 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 connected to the audio processing circuit.
2. The high-quality open-back headphones with adjustable sound output angle as described in claim 1, characterized in that, The control circuit also includes a charging management circuit, a main microphone circuit, and a noise-canceling microphone circuit, which are respectively connected to the Bluetooth main control circuit.
3. The high-quality open-back headphones with adjustable sound output angle as described in claim 1, characterized in that, The control circuit also includes an LED indicator circuit and a button circuit, which are respectively connected to the Bluetooth main control circuit.
4. The high-quality open-back headphones with adjustable sound output angle as described in claim 2, characterized in that, A rechargeable battery is provided within the accommodating space, and the rechargeable battery is connected to a charging management circuit.
5. The high-quality open-back headphones with adjustable sound output angle as described in claim 1, characterized in that, The two circular brackets are located on the inner side of the two earphone bodies respectively. The circular brackets include clamping rings. The two clamping rings are clamped to the ears on both sides under the action of the headband. The clamping rings have a hollowed-out opening in the middle to prevent air from entering the ears.
6. The high-quality open-back headphones with adjustable sound output angle as described in claim 5, characterized in that, A support block is connected to the bottom outer side of the clamping ring, and the lower rotating shaft is connected to the support block. The support block can pull the earphone body away from the clamping ring.
7. The high-quality open-back headphones with adjustable sound output angle as described in claim 1, characterized in that, The accommodating space is provided with an upper shaft sleeve and a lower shaft sleeve. 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.
8. The high-quality open-back headphones with adjustable sound output angle as described in claim 1, characterized in that, The inner shell is provided with a first speaker mounting slot, the first speaker is fixed in the first speaker mounting slot, and a wire hole is provided at the bottom of the first speaker mounting slot.
9. The high-quality open-back headphones with adjustable sound output angle as described in claim 1, characterized in that, The inner shell is provided with several connecting lugs around its perimeter, and the inner side of the front cover is provided with connecting posts that match the connecting lugs. The connecting lugs and connecting posts are fixed together by screws.
10. The high-quality open-back headphones with adjustable sound output angle as described in claim 1, characterized in that, The inner side of the front cover is provided with a second speaker mounting groove, and the second speaker is fixed in the second speaker mounting groove.