Earphone

Abstract

The utility model relates to the technical field of earphones, and provides an earphone, which comprises a shell, a first microphone and a first sound guide channel, and is characterized in that the shell is provided with a first sound inlet hole; the first microphone is arranged in the shell, the first microphone is provided with a first pickup hole, and the first pickup hole and the first sound inlet hole are arranged in a staggered manner; the first sound guide channel is arranged in the shell, one end of the first sound guide channel is communicated with the first sound inlet hole, and the other end of the first sound guide channel is communicated with the first sound pickup hole and forms a first bending included angle with the first sound pickup hole. According to the invention, an effect of preventing wind noise can be realized, thereby improving the call quality and improving the call experience.

Description

Technical Field

[0001] This application relates to the field of headphone technology, and in particular to a headphone with wind noise reduction. Background Technology

[0002] Currently, existing earphone shells have sound inlets, and the earphone shells have microphones located inside the sound inlets. In windy environments, wind can easily blow directly onto the microphone through the sound inlets. The microphone is impacted by the airflow, which generates significant wind noise, affecting call quality and resulting in a poor user experience. Utility Model Content

[0003] The purpose of this application is to provide an earphone that solves the problem of wind noise affecting call quality in existing earphones.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] This application provides an earphone, including:

[0006] The housing has a first sound inlet hole;

[0007] A first microphone is disposed inside the housing, and the first microphone is provided with a first pickup hole, which is offset from the first sound inlet hole;

[0008] A first sound guide channel is disposed inside the housing. One end of the first sound guide channel is connected to the first sound inlet hole, and the other end of the first sound guide channel is connected to the first sound pickup hole and has a first bending angle with the first sound pickup hole.

[0009] Optionally, the housing includes a first peripheral wall having a first side, and the first sound inlet is located at the bottom of the first peripheral wall adjacent to the first side.

[0010] Optionally, the housing further includes a first end face connected to the first peripheral wall, the inner wall of the first end face is provided with a first accommodating cavity communicating with the first sound inlet hole, and the first sound guiding channel is disposed in the first accommodating cavity;

[0011] The earphone also includes a first microphone sleeve, which is fitted onto the first microphone and confined within the first accommodating cavity, and the first microphone sleeve has a first through hole corresponding to the first pickup hole.

[0012] Optionally, the inner wall of the first end face is provided with a first channel communicating with the first sound inlet hole. The first channel is located in the first accommodating cavity. The first microphone sleeve is provided with a second channel communicating with the first through hole. The second channel is arranged opposite to the first channel to form the first sound guiding channel.

[0013] Optionally, the end wall of the first channel away from the first sound inlet hole is a first arc-shaped wall.

[0014] Optionally, a second sound inlet is provided on the side of the first end face away from the first sound inlet;

[0015] The earphone also includes a second microphone and a second sound guide channel disposed within the housing. The second microphone has a second pickup hole, which is offset from the second sound inlet hole. One end of the second sound guide channel is connected to the second sound inlet hole, and the other end of the second sound guide channel is connected to the second pickup hole and has a second bending angle with the second pickup hole.

[0016] Optionally, the inner wall of the first end face is provided with a second accommodating cavity communicating with the second sound inlet hole, and the second sound guiding channel is disposed in the second accommodating cavity;

[0017] The earphone also includes a second microphone sleeve, which is fitted onto the second microphone and confined within the second accommodating cavity, and the second microphone sleeve has a second through hole corresponding to the second pickup hole.

[0018] Optionally, the inner wall of the first end face is provided with a third channel communicating with the second sound inlet hole. The third channel is located in the second accommodating cavity. The second microphone sleeve is provided with a fourth channel communicating with the second through hole. The fourth channel is arranged opposite to the third channel to form the second sound guide channel.

[0019] Optionally, the end wall of the third channel away from the second sound inlet is a second arc-shaped wall.

[0020] Optionally, one end of the second sound guide channel has a third bend angle with the second sound inlet hole.

[0021] Optionally, the first bending angle, the second bending angle, and the third bending angle are all between 5° and 135°.

[0022] Optionally, the shortest distance between the first sound inlet and the second sound inlet is between 8 mm and 25 mm.

[0023] Optionally, the lengths of both the first and second sound channels are between 0.5 mm and 8 mm.

[0024] The beneficial effects of the earphone provided in this application are as follows: Compared with the prior art, this application, by setting the first sound inlet hole on the shell and the first sound pickup hole of the first microphone to be offset, and the first sound guide channel and the first sound pickup hole have a first bending angle, can avoid the airflow directly colliding with the microphone sound pickup hole, reduce the airflow speed, thereby effectively reducing the influence of airflow, achieving the effect of wind noise reduction, and thus improving the call quality and the call experience. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is one of the structural schematic diagrams of the earphone provided in the embodiments of this application;

[0027] Figure 2 This is a second schematic diagram of the structure of the earphone provided in the embodiments of this application;

[0028] Figure 3 for Figure 2 Sectional view along axis AA;

[0029] Figure 4 for Figure 3 A magnified view of section B;

[0030] Figure 5 for Figure 2 CC-direction sectional view;

[0031] Figure 6 for Figure 5 A magnified view of a portion at point D;

[0032] Figure 7 An exploded view of the structure of the earphone provided in the embodiment of this application;

[0033] Figure 8 This is a schematic diagram of the upper shell structure provided in an embodiment of this application;

[0034] Figure 9 This is a schematic diagram of the structure of the first microphone sleeve provided in an embodiment of this application;

[0035] Figure 10 This is a schematic diagram of the structure of the second microphone provided in an embodiment of this application.

[0036] The following are the labeling elements in the figure:

[0037] 1. Housing; 2. First microphone; 3. First sound guide channel; 4. First sound inlet hole;

[0038] 5. First pickup hole; 6. First peripheral wall; 7. First side; 8. First end face; 9. First accommodating cavity;

[0039] 10. First microphone sleeve; 11. First through hole; 12. First channel; 13. Second channel;

[0040] 14. First curved wall; 15. First tuning grille; 16. Second sound inlet; 17. Second microphone;

[0041] 18. Second sound guide channel; 19. Second pickup hole; 20. Second receiving cavity; 21. Second microphone cover;

[0042] 22. Second through hole; 23. Third channel; 24. Fourth channel; 25. Second arc-shaped wall;

[0043] 26. Second tuning grille; 27. Upper housing; 28. Lower housing; 29. ​​Second peripheral wall;

[0044] 30. Second end face; 31. Mounting bracket; 32. Speaker; 33. Circuit board; 34. Sound outlet;

[0045] 35. Batteries reflex port; 36. Ear hook; 37. Battery compartment. Detailed Implementation

[0046] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0047] In the description of the embodiments of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0049] In the embodiments of this application, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0050] In existing traditional headphone structures, the sound inlet on the headphone shell is directly opposite the microphone's pickup hole inside, with both holes aligned in a straight line. In windy environments, airflow enters the headphone through the sound inlet on the shell and blows directly onto the microphone pickup hole, generating significant wind noise and severely impacting call quality.

[0051] To address the problems existing in the prior art, this application provides an improved headset designed to reduce wind noise and improve call quality by optimizing the internal structure of the headset. The specific type of headset in this application is not particularly limited; for example, it can be an open-back headset, a sports headset, etc.

[0052] According to one embodiment of this application, refer to Figures 1-7 As shown, the earphone provided in this application includes: a housing 1, a first microphone 2, and a first sound guiding channel 3. The housing 1 has a first sound inlet 4; the first microphone 2 is disposed inside the housing 1 and has a first pickup hole 5, which is offset from the first sound inlet 4; the first sound guiding channel 3 is disposed inside the housing 1, one end of the first sound guiding channel 3 is connected to the first sound inlet 4, and the other end of the first sound guiding channel 3 is connected to the first pickup hole 5 and has a first bending angle α with the first pickup hole 5.

[0053] In this embodiment of the application, the housing 1 is the main body of the earphone, used to protect the internal components, and is provided with a first sound inlet 4 for allowing external sound to enter the earphone. It is understood that in this example, the specific location of the first sound inlet 4 is not particularly limited, as long as it serves the purpose of sound entry.

[0054] The first microphone 2 is located inside the housing 1 and is responsible for capturing external sound. The first microphone 2 is provided with a first pickup hole 5 for receiving sound signals. It is worth noting that the first pickup hole 5 and the first sound inlet hole 4 on the housing 1 are offset in position, that is, the first pickup hole 5 and the first sound inlet hole 4 are not on the same straight line, and the orthographic projection of the first pickup hole 5 and the orthographic projection of the first sound inlet hole 4 do not intersect. This means that external airflow cannot directly reach the first pickup hole 5 of the first microphone 2.

[0055] The first sound guide channel 3 is a channel connecting the first sound inlet 4 and the first pickup hole 5. It not only transmits sound, but more importantly, it forms a certain angle (i.e., the first bending angle) with the first pickup hole 5, which helps to change the direction of airflow entering the channel and reduce the impact of airflow on the microphone.

[0056] Specifically, when external airflow enters the headphones through the first sound inlet 4, this airflow first enters the first sound guide channel 3. Because there is a specific angle between the first sound guide channel 3 and the first pickup hole 5, the direction of airflow (especially wind noise) is changed when it passes through this channel. This change in direction significantly reduces the speed and impact of the airflow, thereby reducing wind noise.

[0057] After being adjusted by the first sound guide channel 3, the airflow reaches the first pickup hole 5 of the first microphone 2 at a lower speed and with less force, so the sound received by the microphone is clearer and the noise interference caused by the airflow is reduced.

[0058] Therefore, the earphones provided in this application embodiment can achieve wind noise reduction by cleverly designing the acoustic path inside the earphones, effectively improving call quality and providing a better user experience.

[0059] According to one embodiment of this application, refer to Figure 2 As shown, the housing 1 includes a first peripheral wall 6, the first peripheral wall 6 having a first side 7, and a first sound inlet 4 disposed at the bottom of the first peripheral wall 6 adjacent to the first side 7.

[0060] In this embodiment of the application, the first peripheral wall 6 of the housing 1 has a first side 7, which is the inner side close to the user's mouth. This design takes into account the actual usage scenario, that is, when the user is making a call, the microphone needs to be as close as possible to the sound source (i.e., the user's mouth) to obtain the best sound pickup effect.

[0061] The first sound inlet 4 is located at the bottom of the first peripheral wall 6 adjacent to the first side 7. This design has two advantages: firstly, the sound inlet is located close to the mouth, allowing for the direct capture of clearer and more direct sound signals and reducing background noise interference; secondly, it helps to reduce direct airflow and further reduce wind noise.

[0062] Therefore, by designing the position of the first sound inlet 4, the embodiments of this application can effectively reduce wind noise and improve call quality.

[0063] According to one embodiment of this application, refer to Figure 4 , Figures 7-9 As shown, the housing 1 also includes a first end face 8 connected to the first peripheral wall 6, the inner wall of the first end face 8 is provided with a first accommodating cavity 9 communicating with the first sound inlet hole 4, and the first sound guiding channel 3 is provided in the first accommodating cavity 9; the earphone also includes a first microphone cover 10, the first microphone cover 10 is fitted on the first microphone 2 and confined in the first accommodating cavity 9, and the first microphone cover 10 is provided with a first through hole 11 corresponding to the first pickup hole 5.

[0064] In this embodiment of the application, the first microphone sleeve 10 is an important component. It is fitted onto the first microphone 2 and confined within the first accommodating cavity 9. The first microphone sleeve 10 has a first through hole 11 corresponding to the first pickup hole 5, ensuring that sound can be smoothly transmitted to the first microphone 2. Specifically, external sound enters the first sound guide channel 3 through the first sound inlet hole 4, and then is transmitted to the first pickup hole 5 of the first microphone 2 through the first through hole 11 of the first microphone sleeve 10.

[0065] The function of the first microphone sleeve 10 is to firmly fix the first microphone 2 in the first accommodating cavity 9 of the housing 1, to prevent the microphone from becoming loose or shifting during use, to make the position of the microphone in the accommodating cavity more stable, to ensure the precise alignment of the pickup hole and the sound guide channel, and to avoid sound pickup quality problems caused by position changes.

[0066] The first microphone sleeve 10 can be made of a flexible material (such as silicone) to provide cushioning between the first microphone 2 and the housing 1, absorb external vibrations, significantly reduce noise caused by equipment vibration or user movement, thereby improving the clarity of sound acquisition.

[0067] Therefore, the embodiments of this application can significantly improve the call quality of the headset in various usage environments through the first microphone cover 10, especially in windy or vibrating environments, effectively reducing wind noise and vibration noise, and providing users with a clearer and more comfortable call experience.

[0068] According to one embodiment of this application, refer to Figure 8 and Figure 9 As shown, the inner wall of the first end face 8 is provided with a first channel 12 that communicates with the first sound inlet hole 4. The first channel 12 is located in the first accommodating cavity 9. The first microphone sleeve 10 is provided with a second channel 13 that communicates with the first through hole 11. The second channel 13 is arranged opposite to the first channel 12 to form the first sound guide channel 3.

[0069] Understandably, given the small size of the headphones and the thinness of the shell 1, directly creating a complete sound channel on the shell 1 would greatly weaken the structural strength of the shell 1, making it more susceptible to damage.

[0070] In this embodiment, by providing matching channels on the inner wall of the housing 1 and the first microphone sleeve 10, a sound guiding channel is formed after assembly. This avoids the need for complex structures on the housing 1, thereby maintaining the overall strength and durability of the housing 1 and extending the product's service life.

[0071] According to one embodiment of this application, refer to Figure 4 and Figure 8 As shown, the end wall of the first channel 12 away from the first sound inlet 4 is a first arc-shaped wall 14.

[0072] In this embodiment of the application, the first arc-shaped wall 14 is located at the end of the first channel 12 away from the first sound inlet 4, and is used to guide the direction of airflow. The arc-shaped design allows the airflow to smoothly turn after entering the first sound guide channel 3, and the airflow speed will decrease during the turning process, further reducing the direct impact of the airflow on the first sound pickup hole 5.

[0073] Specifically, external airflow enters the first sound guide channel 3 through the first sound inlet 4. The airflow flows within the first sound guide channel 3, and after encountering the first arc-shaped wall 14, it smoothly turns along the direction of the arc-shaped wall. The airflow after the turn continues to flow forward, eventually reaching the first pickup hole 5 of the first microphone 2. (See attached diagram for airflow direction.) Figure 4 The direction indicated by the middle arrow.

[0074] Therefore, the design of the first arc-shaped wall 14 in this embodiment makes the airflow smoother when turning, reduces turbulence and impact, thereby reducing wind noise and making the sound received by the first microphone 2 clearer, thus improving call quality.

[0075] According to one embodiment of this application, refer to Figure 4 and Figure 7 As shown, the headphones also include a first tuning mesh 15, which is located between the first microphone 2 and the first microphone sleeve 10.

[0076] Specifically, the first tuning mesh 15 is waterproof, which can prevent water droplets from entering the first microphone 2 and protect the first microphone 2. In addition, the first tuning mesh 15 can block dust and fine particles from entering the first microphone 2, keeping the first microphone 2 clean and working properly, which is conducive to optimizing the sound acquisition effect and improving the clarity and quality of the sound.

[0077] According to one embodiment of this application, refer to Figure 2 , Figures 5-7As shown, a second sound inlet 16 is provided on the side of the first end face 8 away from the first sound inlet 4; the earphone also includes a second microphone 17 and a second sound guide channel 18 disposed in the housing 1. The second microphone 17 is provided with a second pickup hole 19, which is offset from the second sound inlet 16; one end of the second sound guide channel 18 is connected to the second sound inlet 16, and the other end of the second sound guide channel 18 is connected to the second pickup hole 19 and has a second bending angle b with the second pickup hole 19.

[0078] In this embodiment of the application, the second sound inlet 16 on the end face of the housing 1 is used to allow external sound to enter the earphone.

[0079] The second microphone 17 is located inside the housing 1 and is responsible for capturing external sound. The second microphone 17 has a second pickup hole 19 for receiving sound signals. It is worth noting that the second pickup hole 19 is offset from the second sound inlet hole 16 on the housing 1; that is, the second pickup hole 19 and the second sound inlet hole 16 are not on a straight line, and the orthographic projection of the second pickup hole 19 does not intersect with the orthographic projection of the second sound inlet hole 16. This means that external airflow cannot directly reach the second pickup hole 19 of the second microphone 17.

[0080] The second sound guide channel 18 is a channel connecting the second sound inlet 16 and the second pickup hole 19. It not only transmits sound, but more importantly, it forms a certain angle (i.e., the second bending angle) with the second pickup hole 19, which helps to change the direction of airflow entering the channel and reduce the impact of airflow on the microphone.

[0081] Specifically, when external airflow enters the headphones through the second sound inlet 16, this airflow first enters the second sound guide channel 18. Because there is a specific angle between the second sound guide channel 18 and the second pickup hole 19, the direction of airflow (especially wind noise) is changed when it passes through this channel. This change in direction significantly reduces the speed and impact of the airflow, thereby reducing wind noise.

[0082] After being adjusted by the second sound guide channel 18, the airflow reaches the second pickup hole 19 of the second microphone 17 at a lower speed and with less force, so the sound received by the microphone is clearer and the noise interference caused by the airflow is reduced.

[0083] Therefore, by using two microphones, this embodiment can capture more sound information from different angles, improving the accuracy and clarity of sound acquisition. Furthermore, the bent and staggered design of the sound guide channel effectively reduces the direct impact of airflow, lowers wind noise, and provides a clearer and more stable call experience, especially in windy environments.

[0084] According to one embodiment of this application, refer to Figures 6-8 , Figure 10 As shown, the inner wall of the first end face 8 is provided with a second accommodating cavity 20 communicating with the second sound inlet hole 16, and the second sound guide channel 18 is provided in the second accommodating cavity 20; the earphone also includes a second microphone sleeve 21, which is sleeved on the second microphone 17 and limited to the second accommodating cavity 20, and the second microphone sleeve 21 is provided with a second through hole 22 corresponding to the second pickup hole 19.

[0085] In this embodiment of the application, the second microphone sleeve 21 is an important component. It is fitted onto the second microphone 17 and confined within the second accommodating cavity 20. The second microphone sleeve 21 has a second through hole 22 corresponding to the second pickup hole 19, ensuring that sound can be smoothly transmitted to the second microphone 17. Specifically, external sound enters the second sound guide channel 18 through the second sound inlet 16, and then is transmitted to the second pickup hole 19 of the second microphone 17 through the second through hole 22 of the second microphone sleeve 21.

[0086] The function of the second microphone sleeve 21 is to firmly fix the second microphone 17 in the second accommodating cavity 20 of the housing 1, to prevent the microphone from becoming loose or shifting during use, so that the position of the microphone in the accommodating cavity is more stable, ensuring the precise alignment of the pickup hole and the sound guide channel, and avoiding sound pickup quality problems caused by position changes.

[0087] The second microphone sleeve 21 can be made of a flexible material (such as silicone) to provide cushioning between the second microphone 17 and the housing 1, absorb external vibrations, significantly reduce noise caused by equipment vibration or user movement, thereby improving the clarity of sound acquisition.

[0088] Therefore, the embodiments of this application can significantly improve the call quality of the headset in various usage environments through the second microphone cover 21, especially in windy or vibrating environments, effectively reducing wind noise and vibration noise, and providing users with a clearer and more comfortable call experience.

[0089] According to one embodiment of this application, refer to Figure 8 and Figure 10 As shown, the inner wall of the first end face 8 is provided with a third channel 23 that communicates with the second sound inlet 16. The third channel 23 is located in the second accommodating cavity 20. The second microphone sleeve 21 is provided with a fourth channel 24 that communicates with the second through hole 22. The fourth channel 24 is arranged opposite to the third channel 23 to form the second sound guide channel 18.

[0090] Understandably, given the small size of the headphones and the thinness of the shell 1, directly creating a complete sound channel on the shell 1 would greatly weaken the structural strength of the shell 1, making it more susceptible to damage.

[0091] In this embodiment, by providing matching channels on the inner wall of the end face of the housing 1 and the second microphone sleeve 21, a sound guiding channel is formed after assembly. This avoids the need for complex structures on the housing 1, thereby maintaining the overall strength and durability of the housing 1 and extending the product's service life.

[0092] According to one embodiment of this application, refer to Figure 6 and Figure 8 As shown, the end wall of the third channel 23 away from the second sound inlet 16 is the second arc-shaped wall 25.

[0093] In this embodiment of the application, the second arc-shaped wall 25 is located at the end of the third channel 23 away from the second sound inlet 16, and is used to guide the direction of airflow. The arc-shaped design allows the airflow to smoothly turn after entering the second sound guide channel 18, and the airflow speed will decrease during the turning process, further reducing the direct impact of the airflow on the second sound pickup hole 19.

[0094] Specifically, external airflow enters the second sound guide channel 18 through the second sound inlet 16. The airflow flows within the second sound guide channel 18 and, after encountering the second arc-shaped wall 25, smoothly turns along the direction of the arc-shaped wall. The airflow after the turn continues to flow forward and finally reaches the second pickup hole 19 of the second microphone 17.

[0095] Therefore, the design of the second arc-shaped wall 25 in this embodiment makes the airflow smoother when turning, reduces turbulence and impact, thereby reducing wind noise and making the sound received by the second microphone 17 clearer, thus improving call quality.

[0096] According to one embodiment of this application, refer to Figure 6 As shown, one end of the second sound guide channel 18 has a third bending angle c with the second sound inlet hole 16.

[0097] In this embodiment of the application, the housing 1 is designed with two bends (a second bend angle b and a third bend angle c), causing the airflow to make two turns after entering the earphone. The airflow makes its first turn at the second sound inlet 16, where its speed decreases and its impact weakens. The airflow then continues forward, making a second turn before reaching the second pickup hole 19, further reducing its speed and impact. The airflow direction is shown in [reference needed]. Figure 6 The direction indicated by the middle arrow.

[0098] The embodiments of this application significantly reduce the airflow speed through a two-turn design, thereby reducing the direct impact of airflow on the second pickup hole 19, effectively reducing wind noise, making the sound received by the microphone clearer, and thus improving the call experience.

[0099] According to one embodiment of this application, refer to Figure 6 and Figure 7 As shown, the headphones also include a second tuning mesh 26, which is located between the second accommodating cavity 20 and the second microphone sleeve 21.

[0100] Specifically, the second tuning mesh 26 is waterproof, which can prevent water droplets from entering the second microphone 17 and protect the second microphone 17. In addition, the second tuning mesh 26 can block dust and fine particles from entering the second microphone 17, keeping the second microphone 17 clean and working properly, which is conducive to optimizing the sound acquisition effect and improving the clarity and quality of the sound.

[0101] According to one embodiment of this application, the first bending angle a, the second bending angle b, and the third bending angle c are all between 5° and 135°. For example, the bending angles can all be 90°.

[0102] This design effectively reduces airflow speed and impact while maintaining the smoothness and stability of the airflow.

[0103] According to one embodiment of this application, the shortest distance between the first sound inlet 4 and the second sound inlet 16 is between 8 mm and 25 mm, and when the earphone is worn, the two sound inlets are aligned with the user's mouth. This design can reduce the impact of ambient noise and further improve call quality.

[0104] According to one embodiment of this application, the lengths of the first sound guide channel 3 and the second sound guide channel 18 are both between 0.5 mm and 8 mm.

[0105] Specifically, this length range ensures that the airflow time and distance within the sound guide channel are moderate, neither too long to cause sound distortion nor too short to effectively reduce wind noise. The length design of the sound guide channel guarantees sound transmission efficiency and quality, avoiding sound attenuation and distortion during transmission.

[0106] According to one embodiment of this application, refer to Figure 1 , Figure 7 and Figure 8 As shown, the housing 1 includes an upper housing 27 and a lower housing 28 connected to each other. The upper housing 27 and the lower housing 28 form a receiving space for accommodating various components. The upper housing 27 can be made of plastic. The upper housing 27 includes a first peripheral wall 6 and a first end face 8 connected to each other. The lower housing 28 includes a second peripheral wall 29 and a second end face 30 connected to each other. The second peripheral wall 29 is connected to the first peripheral wall 6, and the second end face 30 is disposed opposite to the first end face 8.

[0107] According to one embodiment of this application, refer to Figure 1 , Figures 3-7As shown, the earphone also includes a mounting bracket 31, a speaker 32, and a circuit board 33 disposed within the housing 1. The second end face 30 of the lower housing 28 is provided with a sound outlet 34. The speaker 32 is mounted on the lower housing 28 and corresponds to the sound outlet 34. The diameter of the speaker 32 is between 10 mm and 25 mm. Its main function is to receive the audio electrical signal from the circuit board 33, convert the electrical signal into a sound signal, and transmit it into the ear canal through the sound outlet 34. The circuit board 33 is mounted on the mounting bracket 31 and is electrically connected to the first microphone 2, the second microphone 17, and the speaker 32 for audio processing to enable communication.

[0108] According to one embodiment of this application, refer to Figure 1 As shown, a bass reflex port 35 is provided at the top of the second peripheral wall 29 of the lower housing 28. The bass reflex port 35 is used to improve the low-frequency sound quality.

[0109] According to one embodiment of this application, refer to Figure 1 and Figure 2 As shown, the headphones also include an ear hook 36 and a battery compartment 37. One end of the ear hook 36 is rotatably connected to the housing 1, and the other end of the ear hook 36 is connected to the battery compartment 37.

[0110] Specifically, the ear hook 36 can be an arc-shaped design that fits the ear, and the ear hook 36 can rotate relative to the shell 1, thereby adjusting its position to securely wear the headphones on the ears, preventing the headphones from falling off or loosening during user exercise. The arc-shaped design of the ear hook can also distribute the pressure of the headphones on the ears, reducing discomfort when wearing headphones for a long time, thus providing a more stable and comfortable headphone wearing experience, suitable for various scenarios such as sports and work.

[0111] The battery compartment 37 is mainly used to install energy storage batteries. The batteries are electrically connected to the circuit board 33 through wires to provide power.

[0112] The above are merely preferred embodiments of this application and are not intended to limit the embodiments of this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the embodiments of this application should be included within the protection scope of the embodiments of this application.

Claims

1. An earphone, characterized in that, include: The housing has a first sound inlet hole; A first microphone is disposed inside the housing, and the first microphone is provided with a first pickup hole, which is offset from the first sound inlet hole; A first sound guide channel is disposed inside the housing. One end of the first sound guide channel is connected to the first sound inlet hole, and the other end of the first sound guide channel is connected to the first sound pickup hole and has a first bending angle with the first sound pickup hole. The housing includes a first peripheral wall with a first side, and the first sound inlet is located at the bottom of the first peripheral wall adjacent to the first side, the first side being the inner side close to the user's mouth.

2. The earphone according to claim 1, characterized in that, The housing also includes a first end face connected to the first peripheral wall, and the inner wall of the first end face is provided with a first accommodating cavity communicating with the first sound inlet hole, and the first sound guiding channel is disposed in the first accommodating cavity; The earphone also includes a first microphone sleeve, which is fitted onto the first microphone and confined within the first accommodating cavity, and the first microphone sleeve has a first through hole corresponding to the first pickup hole.

3. The earphone according to claim 2, characterized in that, The inner wall of the first end face is provided with a first channel communicating with the first sound inlet hole. The first channel is located in the first accommodating cavity. The first microphone sleeve is provided with a second channel communicating with the first through hole. The second channel is arranged opposite to the first channel to form the first sound guiding channel.

4. The earphone according to claim 3, characterized in that, The end of the first channel away from the first sound inlet hole has a first arc-shaped wall.

5. The headphones according to any one of claims 2 to 4, characterized in that, A second sound inlet is provided on the side of the first end face away from the first sound inlet; The earphone also includes a second microphone and a second sound guide channel disposed within the housing. The second microphone has a second pickup hole, which is offset from the second sound inlet hole. One end of the second sound guide channel is connected to the second sound inlet hole, and the other end of the second sound guide channel is connected to the second pickup hole and has a second bending angle with the second pickup hole.

6. The earphone according to claim 5, characterized in that, The inner wall of the first end face is provided with a second accommodating cavity that communicates with the second sound inlet hole, and the second sound guiding channel is disposed in the second accommodating cavity; The earphone also includes a second microphone sleeve, which is fitted onto the second microphone and confined within the second accommodating cavity, and the second microphone sleeve has a second through hole corresponding to the second pickup hole.

7. The earphone according to claim 6, characterized in that, The inner wall of the first end face is provided with a third channel communicating with the second sound inlet hole. The third channel is located in the second accommodating cavity. The second microphone sleeve is provided with a fourth channel communicating with the second through hole. The fourth channel is arranged opposite to the third channel to form the second sound guide channel.

8. The earphone according to claim 7, characterized in that, The third channel has a second arc-shaped wall at the end furthest from the second sound inlet.

9. The earphone according to claim 5, characterized in that, One end of the second sound guide channel has a third bend angle with the second sound inlet hole.

10. The earphone according to claim 9, characterized in that, The first bending angle, the second bending angle, and the third bending angle are all between 5° and 135°.

11. The earphone according to claim 5, characterized in that, The shortest distance between the first sound inlet and the second sound inlet is between 8 mm and 25 mm.

12. The earphone according to claim 5, characterized in that, The lengths of both the first and second sound guide channels are between 0.5 mm and 8 mm.

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