Earmuff and head-mounted ANC noise reduction earphone
By applying soft rubber with a Shore hardness of 0-95A to the outer surface of the earcup sound-absorbing component, the problem of poor noise reduction effect of sponge earcups is solved, and a significant improvement in noise reduction effect is achieved.
Patent Information
- Application Number
- CN202422766876.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-13
AI Technical Summary
Existing ANC noise-canceling headphones have poor noise cancellation performance due to the numerous air holes inside the foam earcups.
A soft rubber with a Shore hardness of 0 to 95A is applied to the outer surface of the sound-absorbing component to enhance the noise reduction effect of the earmuff. Optionally, soft rubber can be applied to different surfaces and the periphery of the sound-absorbing component to improve sealing and noise reduction.
By applying soft rubber to the outer surface of the sound-absorbing component, the noise reduction effect of the earcups is significantly improved, with a noise reduction effect of 5-15dB.
Smart Images
Figure CN223567756U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to head -wearing ANC noise reduction earphone technical field especially ear sleeve and head -wearing ANC noise reduction earphone. BACKGROUND
[0002] Head -wearing ANC noise reduction earphone is one of the common earphones in the market, and generally comprises an earphone head beam and two ear sleeves arranged at the two ends of the earphone head beam.
[0003] At present, the ear sleeves are usually filled with sponge to achieve noise reduction. However, the sponge has a large number of pores inside, and external sounds will penetrate from the pores, resulting in poor noise reduction effect. SUMMARY
[0004] The utility model discloses an ear sleeve and head -wearing ANC noise reduction earphone, and aims at solving the technical problem of poor noise reduction effect of the existing ear sleeve.
[0005] In a first aspect, the application provides an ear sleeve, which comprises a sound-absorbing piece and a soft glue, the soft glue being arranged on the outer surface of the sound-absorbing piece, and the Shore hardness of the soft glue being in the range of 0-95A.
[0006] The ear sleeve provided by the utility model has the beneficial effect that by arranging a layer of soft glue with Shore hardness in the range of 0-95A on the outer surface of the sound-absorbing piece, the noise reduction effect of the ear sleeve can be effectively improved.
[0007] Optionally, the ear sleeve further comprises a support piece and an outer skin assembly, the outer skin assembly being connected to the support piece, and the outer skin assembly and the support piece together wrapping the sound-absorbing piece and the soft glue.
[0008] Optionally, the outer peripheral surface of the sound-absorbing piece is provided with soft glue.
[0009] Optionally, the surface of the sound-absorbing piece away from the support piece is provided with soft glue.
[0010] Optionally, the soft glue completely covers the outer peripheral surface of the sound-absorbing piece.
[0011] Optionally, the soft glue completely covers the surface of the sound-absorbing piece away from the support piece.
[0012] Optionally, the inner peripheral surface of the sound-absorbing piece is provided with soft glue.
[0013] Optionally, the surface of the sound-absorbing piece close to the support piece is provided with soft glue.
[0014] Optionally, the thickness of the soft glue arranged on the outer peripheral surface of the sound-absorbing piece is 0.5-2mm.
[0015] Optionally, the thickness of the soft glue arranged on the surface of the sound-absorbing piece away from the support piece is 0.3-1mm.
[0016] Optionally, the thickness of the soft glue arranged on the inner circumferential surface of the sound absorbing member is 0.3-1mm.
[0017] Optionally, the thickness of the soft glue arranged on the surface of the sound absorbing member close to the supporting member is 0.3-1mm.
[0018] Optionally, the sound absorbing member is a sponge, and the cross section of the sound absorbing member is in an elliptical shape.
[0019] Optionally, the material of the soft glue is one of silicone, gel, TPU, TPE, TPR, PVC and rubber.
[0020] In a second aspect, the application provides a head-mounted ANC noise reduction earphone, which comprises the ear sleeve. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0022] Figure 1 A cross-sectional view of the ear sleeve provided by the embodiments of the present application;
[0023] Figure 2 A Figure 1 An enlarged view of the A in the middle;
[0024] Figure 3 A cross-sectional view of the sound absorbing member and the soft glue (after explosion) provided by the embodiments of the present application;
[0025] Figure 4 An exploded view of the ear sleeve provided by the embodiments of the present application;
[0026] Figure 5 A frequency response test diagram (left ear sleeve) provided by the embodiments of the present application;
[0027] Figure 6 A frequency response test diagram (right ear sleeve) provided by the embodiments of the present application.
[0028] In the drawings, various reference signs represent:
[0029] 100, ear sleeve; 11, supporting member; 12, sound absorbing member;
[0030] 13, soft glue; 14, protein skin; 15, frog skin;
[0031] 16, connecting member; 200, outer skin assembly. DETAILED DESCRIPTION
[0032] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0033] Reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. Therefore, the appearance of the phrases "in one embodiment" or "in some embodiments" in various places throughout the specification are not all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.
[0034] In the description of the present application, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0035] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.
[0036] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0037] Reference is made to Figures 1 to 6 , and the ear cap 100 and the head-mounted ANC noise reduction earphone in the embodiment of the present application will be described.
[0038] Reference is made to Figures 1 to 4The ear cap 100 provided in the present application comprises a sound absorption piece 12 and a soft glue 13, the soft glue 13 is arranged on the outer surface of the sound absorption piece 12, and the Shore hardness of the soft glue 13 ranges from 0 to 95A. Specifically, the sound absorption piece 12 is sponge, preferably memory cotton, and the cross section of the sound absorption piece 12 is oval, and the support piece 11 is a hollow structure. In the prior art, the inside of most ear caps 100 is only filled with sponge, and the noise reduction effect of such ear cap 100 is not ideal due to the existence of a large number of pores in the inside of the sponge. In the present application, by arranging a layer of soft glue 13 with a Shore hardness ranging from 0 to 50A on the outer surface of the sponge, the noise reduction effect of the ear cap 100 can be effectively improved.
[0039] For example, the Shore hardness of the soft glue 13 can be 0A, 5A, 10A, 15A, 20A, 25A, 30A, 35A, 40A, 45A, 50A, 55A, 60A, 65A, 70A, 75A, 80A, 85A, 90A, 95A or a range between any two of the foregoing values. By controlling the Shore hardness of the soft glue 13 within the above range, the comfort of the user can be improved.
[0040] In some embodiments, referring to Figure 1 The ear cap 100 further comprises a support piece 11 and a skin assembly 200, the skin assembly 200 is connected with the support piece 11, and the skin assembly 200 and the support piece 11 jointly wrap the sound absorption piece 12 and the soft glue 13. Specifically, the support piece 11 is a glue piece.
[0041] In some embodiments, referring to Figures 1 to 4 The outer peripheral surface of the sound absorption piece 12 is provided with the soft glue 13.
[0042] In some embodiments, referring to Figures 1 to 4 The surface of the sound absorption piece 12 away from the support piece 11 is provided with the soft glue 13.
[0043] In some embodiments, referring to Figures 1 to 4 The outer peripheral surface of the sound absorption piece 12 and the surface of the sound absorption piece 12 away from the support piece 11 are both provided with the soft glue 13.
[0044] The above three distribution modes of the soft glue 13 can improve the noise reduction effect of the ear cap 100, and when the outer peripheral surface of the sound absorption piece 12 and the surface of the sound absorption piece 12 away from the support piece 11 are both provided with the soft glue 13, the noise reduction effect of the ear cap 100 is better.
[0045] In some embodiments, referring to Figures 1 to 4 The soft glue 13 completely covers the outer peripheral surface of the sound absorption piece 12. In this way, the noise reduction effect of the ear cap 100 can be further improved.
[0046] In some embodiments, referring to Figures 1 to 4The soft glue 13 completely covers the surface of the sound absorption member 12 away from the support member 11. In this way, the noise reduction effect of the earphone 100 can be further improved.
[0047] In some embodiments, referring to Figures 1 to 4 The inner circumferential surface of the sound absorption member 12 is provided with the soft glue 13, which functions as a seal.
[0048] In some embodiments, referring to Figures 1 to 4 The surface of the sound absorption member 12 close to the support member 11 is provided with the soft glue 13, which functions as a seal.
[0049] In some embodiments, the soft glue 13 is formed by an injection molding process, and the soft glue 13 is sleeved on the sound absorption member 12.
[0050] In some embodiments, the thickness of the soft glue 13 provided on the outer circumferential surface of the sound absorption member 12 is 0.5-2 mm. For example, the thickness of the soft glue 13 provided on the outer circumferential surface of the sound absorption member 12 can be 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.5 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm, 2 mm, or a range between any two of the foregoing values, and preferably 1 mm.
[0051] In some embodiments, the thickness of the soft glue 13 provided on the surface of the sound absorption member 12 away from the support member 11 is 0.3-1 mm. For example, the thickness of the soft glue 13 provided on the surface of the sound absorption member 12 away from the support member 11 can be 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1 mm, or a range between any two of the foregoing values, and preferably 0.5 mm.
[0052] In some embodiments, the thickness of the soft glue 13 provided on the inner circumferential surface of the sound absorption member 12 is 0.3-1 mm. For example, the thickness of the soft glue 13 provided on the inner circumferential surface of the sound absorption member 12 can be 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1 mm, or a range between any two of the foregoing values, and preferably 0.5 mm.
[0053] In some embodiments, the thickness of the soft glue 13 provided on the surface of the sound absorption member 12 close to the support member 11 is 0.3-1 mm. For example, the thickness of the soft glue 13 provided on the surface of the sound absorption member 12 close to the support member 11 can be 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1 mm, or a range between any two of the foregoing values, and preferably 0.5 mm.
[0054] By limiting the thickness of the soft glue 13 on each part of the sound-absorbing piece 12 within the above range, the noise reduction effect of the ear sleeve 100 is ensured while the cost is reduced.
[0055] In some embodiments, the soft glue is made of one of silicone, gel, TPU, TPE, TPR, PVC and rubber.
[0056] Please refer to Figure 5 and Figure 6 In the frequency response test diagram, the horizontal axis is frequency, unit: Hz, and the vertical axis is sound intensity, unit: dB. Among them, the ear sleeve of the comparative example is only filled with memory cotton, and the ear sleeve of the embodiment is as follows: the outer circumferential surface of the sound-absorbing piece 12 and the surface of the sound-absorbing piece 12 away from the support piece 11 are provided with the soft glue 13, and the soft glue 13 completely covers the outer circumferential surface of the sound-absorbing piece 12 and the surface of the sound-absorbing piece 12 away from the support piece 11. The thickness of the soft glue provided on the outer circumferential surface of the sound-absorbing piece is 1mm, and the thickness of the soft glue provided on the surface of the sound-absorbing piece away from the support piece is 0.5mm. Within the frequency range of 500-3000Hz, the sound intensity of the embodiment is less than that of the comparative example, that is, compared with the ear sleeve of the prior art, the noise reduction effect of the ear sleeve of the embodiment is better.
[0057] In some embodiments, please refer to Figure 1 and Figure 2 The outer skin assembly 200 includes the protein skin 14 and the frog skin 15. The protein skin 14 covers the part of the surface of the support piece 11 away from the sound-absorbing piece 12, the outer circumferential surface of the sound-absorbing piece 12, the surface of the sound-absorbing piece 12 away from the support piece 11 and the part of the inner circumferential surface of the sound-absorbing piece 12. The frog skin 15 covers the part of the inner circumferential surface of the sound-absorbing piece 12 and the part of the surface of the sound-absorbing piece 12 close to the support piece 11. One end of the protein skin 14 is connected with the frog skin 15, and the other end of the protein skin 14 is connected with the support piece 11. One end of the frog skin 15 is connected with the protein skin 14, and the other end of the frog skin 15 is connected with the support piece 11. The arrangement of the protein skin 14 is conducive to improving the comfort of the user. The frog skin 15 is easy to manufacture and can facilitate production.
[0058] In some embodiments, please refer to Figure 2 The frog skin 15 is hot-pressed with the connecting piece 16 made of PET, and the connecting piece 16 is bonded with the support piece 11. The frog skin 15 is not easy to bond with the support piece 11 and is prone to wrinkling. The connecting piece 16 is relatively hard and is easy to bond with the support piece 11. The arrangement of the connecting piece 16 can facilitate the connection of the frog skin 15 with the support piece 11.
[0059] In the frequency range of 500-3000Hz, the ear sleeve 100 provided by the present application is 5-15dB lower in passive noise reduction than the ear sleeve filled only with memory cotton.
[0060] The application also provides a head-mounted ANC noise reduction earphone, which comprises the ear sleeve 100.
[0061] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An ear muff, characterized in that The ear sleeve comprises: a sound-absorbing piece (12); a soft glue (13) arranged on the outer surface of the sound-absorbing piece (12), the Shore hardness of the soft glue (13) ranges from 0 to 95A; a support piece (11) and an outer skin assembly (200), the outer skin assembly (200) is connected with the support piece (11), and the outer skin assembly (200) and the support piece (11) jointly wrap the sound-absorbing piece (12) and the soft glue (13); the soft glue (13) is formed by an injection molding process, and the soft glue (13) is sleeved on the sound-absorbing piece (12).
2. The ear sleeve according to claim 1, wherein: the outer circumferential surface of the sound-absorbing piece (12) is provided with the soft glue (13); and / or the surface of the sound-absorbing piece (12) away from the support piece (11) is provided with the soft glue (13).
3. The ear sleeve according to claim 2, wherein: the soft glue (13) completely covers the outer circumferential surface of the sound-absorbing piece (12); and / or the soft glue (13) completely covers the surface of the sound-absorbing piece (12) away from the support piece (11).
4. The ear sleeve according to claim 2, wherein: the inner circumferential surface of the sound-absorbing piece (12) is provided with the soft glue (13); and / or the surface of the sound-absorbing piece (12) close to the support piece (11) is provided with the soft glue (13).
5. The ear sleeve according to claim 2, wherein: the thickness of the soft glue (13) arranged on the outer circumferential surface of the sound-absorbing piece (12) ranges from 0.5 to 2 mm; and / or the thickness of the soft glue (13) arranged on the surface of the sound-absorbing piece (12) away from the support piece (11) ranges from 0.3 to 1 mm.
6. The ear sleeve according to claim 4, wherein: the thickness of the soft glue (13) arranged on the inner circumferential surface of the sound-absorbing piece (12) ranges from 0.3 to 1 mm; and / or the thickness of the soft glue (13) arranged on the surface of the sound-absorbing piece (12) close to the support piece (11) ranges from 0.3 to 1 mm.
7. The ear muff according to any one of claims 1 to 6, characterized in that: The sound-absorbing piece (12) is a sponge, and the cross section of the sound-absorbing piece (12) is in an elliptical shape.
8. The ear muff of any one of claims 1 to 6, characterized in that: The material of the soft glue (13) is one of silicone, gel, TPU, TPE, TPR, PVC and rubber.
9. A head-wearable ANC noise-cancelling headphone, characterized by: The ear sleeve (100) according to any one of claims 1 to 8.