Earphone main body and open type earphone

Abstract

The utility model belongs to the technical field of earphones, and provides an earphone main body and an open earphone, the open earphone comprises an ear hook and the earphone main body, the earphone main body comprises a shell and a feedback microphone, the shell is internally provided with an accommodating cavity, the shell is provided with a face wall, the face wall is provided with a pickup hole, the pickup hole is communicated with the accommodating cavity, and the face wall is provided with an outer surface; the outer surface deviates from the accommodating cavity, a pit is formed in the outer surface, the pit is correspondingly communicated with the pickup hole, the cross section area of the pit is larger than that of the pickup hole, and the feedback microphone is arranged in the accommodating cavity and corresponds to the pickup hole. According to the earphone main body and the open type earphone, the pits correspondingly communicated with the pickup holes are formed in the outer surface, and the cross section area of the pits is larger than that of the pickup holes, so that the pits are effectively prevented from being completely blocked by the skin of ears when the earphone is worn and used, the pickup holes are kept in a communicated state with the outside, and the sound quality is improved. Therefore, the squeal phenomenon is effectively avoided, and the use experience of the user is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of earphones, and more specifically, relates to an earphone body and an open earphone. Background Art

[0002] The characteristic of open-type headphones is that they do not enter the ear canal. The sound is transmitted to the user's ear canal through the air. Since open-type headphones do not enter the ear, they will not directly stimulate the eardrum, thereby greatly reducing damage to the ear, and are therefore very popular among consumers.

[0003] When using open-back headphones, users can receive external sounds and sounds emitted by the headphones at the same time. In order to reduce noise, some open-back headphones are designed with noise reduction functions. Among them, noise reduction functions are generally divided into passive noise reduction and active noise reduction. Passive noise reduction is achieved by using materials such as silicone ear caps and leather covers inside the headphones to isolate the ear canal from the outside world as much as possible and weaken the transmission of external sound waves; the active noise reduction function is achieved by setting a feedback microphone in the shell of the open-back headphones. The feedback microphone picks up the sound in the user's ear canal through the pickup holes on the shell, and then analyzes and processes it through the built-in circuit board to generate sound waves with an opposite phase to the noise, thereby offsetting the ambient noise.

[0004] At present, the sound pickup hole and the outer surface of the shell are on the same plane or curved surface, but each person's ear shape and size are different. When some users wear it, the sound pickup hole will contact the ear skin, causing the sound pickup hole to be blocked and howling to occur, giving the user a bad experience. Utility Model Content

[0005] The purpose of the embodiments of the present application is to provide an earphone body and an open earphone to solve the technical problem in the prior art that when some users wear the open earphone, the sound pickup hole contacts the ear skin, causing the sound pickup hole to be blocked and produce a howling phenomenon.

[0006] To achieve the above-mentioned purpose, the technical solution adopted in the present application is: to provide an earphone main body, including a shell and a feedback microphone, a accommodating cavity is provided in the shell, the shell forms a surface wall, the surface wall is provided with a sound pickup hole, the sound pickup hole is connected with the accommodating cavity, the surface wall has an outer surface, the outer surface is away from the accommodating cavity, a pit is formed on the outer surface, the pit is correspondingly connected with the sound pickup hole, and the cross-sectional area of ​​the pit is larger than the cross-sectional area of ​​the sound pickup hole, the feedback microphone is arranged in the accommodating cavity and corresponding to the sound pickup hole.

[0007] The beneficial effect of the earphone body provided by the present application is that, compared with the prior art, when worn, the shell fits the user's ear, with the face wall facing and covering the user's ear, and the feedback microphone picks up the sound in the user's ear canal through the sound pickup hole and the pit. A pit corresponding to the sound pickup hole is formed on the outer surface, and the cross-sectional area of ​​the pit is larger than the cross-sectional area of ​​the sound pickup hole. In this way, when worn, the skin of the ear is effectively prevented from completely blocking the pit, so that the sound pickup hole remains connected to the outside world, thereby effectively avoiding the generation of howling, which is beneficial to improving the user's experience.

[0008] In one embodiment, the surface wall further has an inner surface, the inner surface faces the accommodating cavity, and a portion of the surface wall is recessed from the outer surface toward the inner surface to form the pit on the outer surface and a protrusion on the inner surface.

[0009] In one of the embodiments, the raised portion is provided with a convex ring, the convex ring is arranged corresponding to the sound pickup hole, and the feedback microphone is arranged in the convex ring.

[0010] In one embodiment, the cross section of the pit gradually increases from the inside to the outside and is in a trumpet shape.

[0011] In one embodiment, the cross-section of the pit and the cross-section of the sound pickup hole are circular, and the diameter of the pit is larger than the diameter of the sound pickup hole.

[0012] In one embodiment, the diameter of the pit is 1.5 mm-5 mm.

[0013] In one embodiment, the surface wall is dome-shaped, and the feedback microphone is disposed near the center of the surface wall, or the feedback microphone is disposed at the center of the surface wall.

[0014] In one of the embodiments, the earphone body further includes a speaker, and the speaker is disposed in the accommodating cavity. The surface wall is further provided with a sound outlet hole, and the sound outlet hole is communicated with the accommodating cavity.

[0015] In one of the embodiments, the earphone body further includes a circuit board, the circuit board is disposed in the accommodating cavity, and the speaker and the feedback microphone are both electrically connected to the circuit board.

[0016] The present application also provides an open-type earphone, comprising an ear hook and an earphone body as described in any one of the above items, wherein one end of the ear hook is connected to the shell.

[0017] The beneficial effect of the open earphones provided by the present application is that, compared with the prior art, by adopting the above-mentioned earphone main body, when worn, the shell fits the user's ear, with the face wall facing and covering the user's ear, and the feedback microphone picks up the sound in the user's ear canal through the sound pickup hole and the pit, and by forming a pit on the outer surface that is connected to the sound pickup hole, the cross-sectional area of ​​the pit is larger than the cross-sectional area of ​​the sound pickup hole. In this way, when worn, the skin of the ear is effectively prevented from completely blocking the pit, so that the sound pickup hole remains connected to the outside world, thereby effectively avoiding the generation of howling phenomenon, which is beneficial to improving the user's usage experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 A schematic diagram of the three-dimensional structure of an open-type earphone provided in an embodiment of the present application;

[0020] Figure 2 For along Figure 1 The cross-sectional structure diagram along the AA line;

[0021] Figure 3 A schematic diagram of the structure of the first shell provided in an embodiment of the present application.

[0022] Description of main reference numerals:

[0023] 100. Earphone body;

[0024] 10. Shell; 11. Accommodating cavity; 12. Face wall; 121. Sound pickup hole; 122. Outer surface; 123. Concave pit; 124. Inner surface; 125. Protrusion; 126. Protruding ring; 127. Sound outlet hole; 13. First shell; 14. Second shell;

[0025] 20. Feedback microphone;

[0026] 30. Speaker;

[0027] 40. Circuit board;

[0028] 200. Ear hook. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0035] Please also read Figures 1 to 3 , the earphone main body provided in the embodiment of the present application is now described.

[0036] Please also read Figure 1 and Figure 2 The earphone body 100 includes a shell 10 and a feedback microphone 20. The shell 10 is provided with a accommodating cavity 11. The shell 10 is formed with a surface wall 12. The surface wall 12 is provided with a sound pickup hole 121. The sound pickup hole 121 is connected with the accommodating cavity 11. The surface wall 12 has an outer surface 122. The outer surface 122 is away from the accommodating cavity 11. A pit 123 is formed on the outer surface 122. The pit 123 is correspondingly connected with the sound pickup hole 121, and the cross-sectional area of ​​the pit 123 is larger than the cross-sectional area of ​​the sound pickup hole 121. The feedback microphone 20 is arranged in the accommodating cavity 11 and is arranged corresponding to the sound pickup hole 121.

[0037] Among them, the face wall 12 refers to the part of the shell 10 facing the user's ear canal and covering the entrance of the ear canal when the user wears the earphone body 100 on the user's ear. It can be understood that when the user wears the earphone body 100 on the ear, the shell 10 fits the user's ear and the face wall 12 covers the entrance of the user's ear canal.

[0038] It should be noted that the cross-section of the pit 123 refers to the surface obtained by cutting the pit 123 with a plane perpendicular to the axial direction of the sound pickup hole 121. Similarly, the cross-section of the sound pickup hole 121 refers to the surface obtained by cutting the sound pickup hole 121 with a plane perpendicular to the axial direction of the sound pickup hole 121.

[0039] The corresponding arrangement of the feedback microphone 20 and the sound pickup hole 121 means that the feedback microphone 20 corresponds to and covers the sound pickup hole 121. When worn, the pit 123 faces the user's ear canal, and the feedback microphone 20 can pick up the sound in the user's ear canal through the sound pickup hole 121 and the pit 123.

[0040] Compared with the prior art, the earphone body 100 provided in the present application has the shell 10 fitted to the user's ear when worn, and the surface wall 12 faces and covers the user's ear. The feedback microphone 20 picks up the sound in the user's ear canal through the sound pickup hole 121 and the pit 123. A pit 123 corresponding to and connected to the sound pickup hole 121 is formed on the outer surface 122, and the cross-sectional area of ​​the pit 123 is larger than the cross-sectional area of ​​the sound pickup hole 121. In this way, when worn, the skin of the ear is effectively prevented from completely blocking the pit 123, so that the sound pickup hole 121 remains connected to the outside world, thereby effectively avoiding the generation of howling, which is beneficial to improving the user's experience.

[0041] It can be understood that since the opening of the pit 123 is relatively large, the skin of the ear will not completely block the pit 123 when worn by different users, so that the feedback microphone 20 can smoothly pick up the sound in the user's ear canal through the sound pickup hole 121 and the pit 123, which is conducive to improving the application range of the open-ear headphones.

[0042] In one embodiment of the present application, see Figure 2 and Figure 3 The face wall 12 also has an inner surface 124, which faces the accommodating cavity 11. It can be understood that the inner surface 124 is arranged opposite to the outer surface 122, and a portion of the face wall 12 is recessed from the outer surface 122 to the inner surface 124 to form a pit 123 on the outer surface 122 and a protrusion 125 on the inner surface 124.

[0043] By making part of the face wall 12 recessed from the outer surface 122 to the inner surface 124, a pit 123 is formed on the outer surface 122, and a protrusion 125 is formed on the inner surface 124. In this way, it is possible to ensure that the portion of the face wall 12 where the pit 123 is provided is of the same thickness as other portions of the face wall 12, thereby preventing the portion of the face wall 12 where the pit 123 is provided from being too weak and easily damaged, thereby effectively ensuring the overall strength of the face wall 12.

[0044] Furthermore, the raised portion 125 is provided with a raised ring 126 , the raised ring 126 is arranged corresponding to the sound pickup hole 121 , and the feedback microphone 20 is arranged in the raised ring 126 .

[0045] Optionally, the convex ring 126 and the surface wall 12 are integrally formed, which has a simple process and low production cost.

[0046] Optionally, the shape of the convex ring 126 matches the shape of the feedback microphone 20, and the feedback microphone 20 is clamped in the convex ring 126. Alternatively, the convex ring 126 is fixed in the convex ring 126 by bonding or the like.

[0047] In one embodiment of the present application, the cross section of the pit 123 gradually increases from the inside to the outside to form a trumpet shape. Specifically, the pit 123 gradually increases from the inner surface 124 to the outer surface 122 to form a trumpet shape.

[0048] Specifically in this embodiment, the cross-section of the pit 123 and the cross-section of the sound pickup hole 121 are circular, and the diameter of the pit 123 is greater than the diameter of the sound pickup hole 121 .

[0049] It should be noted that when the cross section of the pit 123 gradually increases from the inside to the outside to form a trumpet shape, the minimum diameter of the pit 123 is greater than the diameter of the sound pickup hole 121 .

[0050] Of course, in other embodiments, the cross section of the pit 123 may also be other shapes, such as a rectangle, a triangle, an arc, etc. Similarly, the cross section of the sound pickup hole 121 may also be other shapes, such as a rectangle, a triangle, an arc, etc.

[0051] Furthermore, the diameter of the pit 123 is 1.5 mm-5 mm.

[0052] Optionally, the diameter of the pit 123 is 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm or 5 mm, etc.

[0053] It should be noted that when the cross section of the pit 123 gradually increases from the inside to the outside and becomes a trumpet shape, the maximum diameter of the pit 123 is 1.5 mm-5 mm.

[0054] In one embodiment of the present application, the surface wall 12 is dome-shaped, and the feedback microphone 20 is disposed near the center of the surface wall 12 .

[0055] Specifically, the housing 10 includes a first shell 13 and a second shell 14 , which are connected to form a receiving cavity 11 . The surface wall 12 is part of the first shell 13 and protrudes away from the second shell 14 in a dome shape.

[0056] In another embodiment of the present application, the feedback microphone 20 is disposed at the center of the face wall 12 .

[0057] Since the face wall 12 is dome-shaped, the space between the center of the face wall 12 and the speaker 30 is relatively large. By arranging the feedback microphone 20 at the center of the face wall 12 or near the center of the face wall 12, the thickness of the shell 10 does not need to be increased or the increased thickness is relatively small, thereby facilitating the miniaturization of the earphone main body 100.

[0058] In one embodiment of the present application, see Figure 2The earphone body 100 further includes a speaker 30 , which is disposed in the accommodating cavity 11 . The surface wall 12 further includes a sound outlet 127 , which is communicated with the accommodating cavity 11 .

[0059] It can be understood that the sound hole 127 runs through the inner surface 124 and the outer surface 122. When worn, the sound hole 127 faces the entrance of the user's ear canal, and the sound output by the speaker 30 is transmitted to the user's ear canal through the sound hole 127.

[0060] In one embodiment of the present application, see Figure 2 The earphone body 100 further includes a circuit board 40 , which is disposed in the accommodating cavity 11 , and the speaker 30 and the feedback microphone 20 are both electrically connected to the circuit board 40 .

[0061] When performing active noise reduction, the feedback microphone 20 will feed back the picked up ambient noise and target sound to the circuit board 40. After analyzing and processing the ambient noise, the circuit board 40 generates a sound wave with a phase opposite to the ambient noise to offset the ambient noise, thereby eliminating noise interference near the ear canal, allowing the target sound output by the speaker 30 to be transmitted to the user's ear canal more purely, which is conducive to improving the clarity of the sound quality.

[0062] See also Figure 1 and Figure 2 The present application also provides an open-type earphone, comprising an ear hook and an earphone body 100 of any of the above embodiments, wherein one end of the ear hook is connected to the housing 10. When worn, the ear hook is hung on the ear of the user. It can be understood that the open-type earphone is an ear hook earphone.

[0063] Compared with the prior art, the open earphones provided by the present application adopt the above-mentioned earphone main body 100. When worn, the shell 10 fits the user's ear, and the surface wall 12 faces and covers the user's ear. The feedback microphone 20 picks up the sound in the user's ear canal through the sound pickup hole 121 and the pit 123. The pit 123 corresponding to the sound pickup hole 121 is formed on the outer surface 122, and the cross-sectional area of ​​the pit 123 is larger than the cross-sectional area of ​​the sound pickup hole 121. In this way, when worn, the skin of the ear is effectively prevented from completely blocking the pit 123, so that the sound pickup hole 121 remains connected to the outside world, thereby effectively avoiding the generation of howling, which is beneficial to improving the user's usage experience.

[0064] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An earphone body, characterized in that: It includes a shell and a feedback microphone, wherein a accommodating cavity is provided in the shell, wherein the shell forms a surface wall, wherein the surface wall is provided with a sound pickup hole, wherein the sound pickup hole is connected with the accommodating cavity, wherein the surface wall has an outer surface, wherein the outer surface is away from the accommodating cavity, wherein a pit is formed on the outer surface, wherein the pit is correspondingly connected with the sound pickup hole, and wherein the cross-sectional area of ​​the pit is greater than the cross-sectional area of ​​the sound pickup hole, wherein the feedback microphone is arranged in the accommodating cavity and corresponding to the sound pickup hole.

2. The earphone body according to claim 1, characterized in that: The surface wall also has an inner surface, which faces the accommodating cavity. A portion of the surface wall is recessed from the outer surface toward the inner surface to form the pit on the outer surface and a convex portion on the inner surface.

3. The earphone body according to claim 2, characterized in that: The raised portion is provided with a convex ring, the convex ring is arranged corresponding to the sound pickup hole, and the feedback microphone is arranged in the convex ring.

4. The earphone body according to claim 1, characterized in that: The cross section of the pit gradually increases from the inside to the outside and is in a trumpet shape.

5. The earphone body according to claim 1, characterized in that: The cross-sections of the pit and the sound pickup hole are circular, and the diameter of the pit is greater than the diameter of the sound pickup hole.

6. The earphone body according to claim 5, characterized in that: The diameter of the pit is 1.5mm-5mm.

7. The earphone body according to any one of claims 1 to 6, characterized in that: The surface wall is dome-shaped, and the feedback microphone is arranged close to the center of the surface wall, or the feedback microphone is arranged at the center of the surface wall.

8. The earphone body according to any one of claims 1 to 6, characterized in that: The earphone body also includes a speaker, which is arranged in the accommodating cavity. The surface wall is also provided with a sound outlet hole, which is communicated with the accommodating cavity.

9. The earphone body according to claim 8, characterized in that: The earphone body further comprises a circuit board, which is arranged in the accommodating cavity, and the speaker and the feedback microphone are both electrically connected to the circuit board.

10. An open-type headphone, characterized in that: It comprises an ear hook and an earphone body as described in any one of claims 1 to 9, wherein one end of the ear hook is connected to the shell.

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