CN210579202U

CN210579202U - Vibrating diaphragm structure and headphone

Info

Publication number: CN210579202U
Application number: CN201921729078.1U
Authority: CN
Inventors: 洪家冬; 王丽
Original assignee: Shenzhen Horn Audio Co Ltd
Current assignee: Shenzhen Horn Audio Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-05-19
Anticipated expiration: 2029-10-15

Abstract

The utility model belongs to the technical field of the earphone, especially, relate to a vibrating diaphragm structure and headphone. The vibrating diaphragm structure includes: the ball top and the ring folding part, the ring folding part comprises a first R ring arranged around the circumference of the ball top, a second R ring arranged around the circumference of the first R ring and a third R ring arranged around the circumference of the second R ring, the tangent planes of any point on the first R ring, the second R ring and the third R ring are positioned on the same side of the diaphragm structure, any tangent plane passing through the center of the ball top is intersected with the first R ring, the second R ring and the third R ring and respectively forms a first intersected arc line, a second intersected arc line and a third intersected arc line, and the circle centers corresponding to the first intersected arc line, the second intersected arc line and the third intersected arc line are arranged in an out-of-point manner. The utility model has the advantages that the bending ring part is arranged into three sections, so that the distortion of sound is obviously reduced when the vibrating diaphragm structure works; the sound effect of bass is obviously strengthened and becomes clear and powerful.

Description

Vibrating diaphragm structure and headphone

Technical Field

The utility model belongs to the technical field of the earphone, especially, relate to a vibrating diaphragm structure and headphone.

Background

Along with the improvement of living standard, people also are more and more high to the requirement of earphone sound quality effect, and loudspeaker are one of the important part that influences earphone sound effect, and one of the part that influences loudspeaker sound good and bad is the vibrating diaphragm, has voice coil loudspeaker voice coil and magnet in the loudspeaker, produces the electromagnetic field after the voice coil loudspeaker voice coil circular telegram, promotes the vibrating diaphragm after with the permanent magnetic field interact of magnet, and the vibrating diaphragm is loudspeaker sound when promoting compressed air in the air. The sound effect is to be characterized by powerful low frequency, clear intermediate frequency, bright high frequency, low distortion and the like, so that the structure of the vibrating diaphragm has a vital function.

The existing headset loudspeaker is 40mm and 50mm in size, the loudspeaker diaphragm material is PET, the sound effect after the existing diaphragm and other parts are combined is not ideal, the low frequency is mixed, the size is unstable when the medium-high frequency is distorted, the acoustic characteristic is bad, and the like.

In this regard, it is necessary to redesign the structure of the diaphragm to stabilize its acoustic performance and provide better sound effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vibrating diaphragm structure aims at solving the problem of how to improve vibrating diaphragm structure acoustic performance.

The utility model provides a vibrating diaphragm structure, include:

a ball top; and

the folded ring part comprises a first R ring arranged circumferentially around the top of the ball, a second R ring arranged circumferentially around the first R ring and a third R ring arranged circumferentially around the second R ring, the first R ring is connected with the top of the ball and used for supporting the second R ring, the third R ring is connected with an external structural member and used for supporting the second R ring, and the inner side of the second R ring and the outer side of the second R ring are respectively connected with the first R ring and the third R ring;

the first R ring, the second R ring and the third R ring are all located at the same side of the diaphragm structure, an arbitrary sectioning surface at the center of the top of the ball is crossed with the first R ring, the second R ring and the third R ring, a first crossed arc line, a second crossed arc line and a third crossed arc line are formed by intersection, two ends of the second crossed arc line are respectively connected with the first crossed arc line and the third crossed arc line, and circle centers corresponding to the first crossed arc line, the second crossed arc line and the third crossed arc line are arranged in a non-concurrent mode.

The technical effects of the utility model are that: the corrugated ring part is arranged into three sections, namely a first R ring, a second R ring and a third R ring, so that the distortion of sound of the vibrating diaphragm structure in work is obviously reduced; the sound effect of bass is obviously strengthened and becomes clear and powerful; the performance is stable, and the yield is improved; the cost is not changed, and the appearance is not obviously changed.

Drawings

Fig. 1 is a three-dimensional structure diagram of a diaphragm structure provided in an embodiment of the present invention;

FIG. 2 is a top view of the diaphragm structure of FIG. 1;

FIG. 3 is a cross-sectional view of the diaphragm structure of FIG. 2 along a central plane of symmetry;

fig. 4 is a partial enlarged view of the diaphragm structure of fig. 3 at a.

The correspondence between reference numbers and names in the drawings is as follows:

100. a diaphragm structure; 10. a ball top; 20. a folded ring part; 30. pattern grooves; 21. a first R ring; 22. a second R ring; 23. a third R ring; 24. a ring body; 25. sticking an edge ring; 26. a groove; 201. a first intersecting arc; 202. a second intersecting arc; 203. a third intersecting line;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "vertical", "parallel", "bottom", "angle", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship.

Referring to fig. 1 to fig. 3, an embodiment of the present invention provides a diaphragm structure 100, which includes: a ball top 10 and a collar 20. Alternatively, the diaphragm structure 100 is laid flat, the top portion 10 of the ball protrudes upward, and the top portion 10 of the ball can increase the strength of the diaphragm structure 100. The annular folding portion 20 includes a first R ring 21 circumferentially disposed around the spherical top portion 10, a second R ring 22 circumferentially disposed around the first R ring 21, and a third R ring 23 circumferentially disposed around the second R ring 22, that is, the first R ring 21, the second R ring 22, and the third R ring 23 are sequentially disposed outward from the spherical top portion 10. The first R ring 21 is connected with the top 10 of the ball and used for supporting the second R ring 22, and the first R ring 21 is also used for enhancing the rigidity of the section where the first R ring 21 is located, so that the middle and high sound is more stable, and the transmitted sound is clearer and more beautiful. The third R ring 23 is connected to an external structural member and used to support the second R ring 22, and the third R ring 23 is also used to enhance the overall rigidity of the diaphragm structure 100, reduce the split vibration, and avoid the occurrence of oblique vibration sound. The inner side of the second R ring 22 and the outer side of the second R ring 22 are connected to the first R ring 21 and the third R ring 23, respectively, and the second R ring 22 is used to increase the radiation area of sound, and increase the strength of bass sound, making bass sound through and powerful. The tangent planes at any point on the first R-ring 21, the second R-ring 22 and the third R-ring 23 are all located on the same side of the diaphragm structure 100. Namely, the first R ring 21, the second R ring 22, and the third R ring 23 are provided to be convex upward. An arbitrary cross section of the center position of the passing dome 10 intersects the first R ring 21, the second R ring 22, and the third R ring 23 and forms a first intersecting arc line 201, a second intersecting arc line 202, and a third intersecting arc line 203, respectively. Two ends of the second intersecting arc line 202 are respectively connected with the first intersecting arc line 201 and the third intersecting arc line 203, and the centers of circles corresponding to the first intersecting arc line 201, the second intersecting arc line 202 and the third intersecting arc line 203 are not in a concurrent arrangement. It is understood that the first intersecting arc line 201, the second intersecting arc line 202 and the third intersecting arc line 203 are circular arcs, and the centers of the circular arcs are not in a same point, so that the first R ring 21, the second R ring 22 and the third R ring 23 are arranged in a wavy manner in space and are convex in the same direction.

By arranging the corrugated rim portion 20 in three segments, namely a first R ring 21, a second R ring 22 and a third R ring 23, the distortion of sound during operation of the diaphragm structure 100 is significantly reduced; the sound effect of bass is obviously strengthened and becomes clear and powerful; the performance is stable, and the yield is improved; the cost is not changed, and the appearance is not obviously changed.

In one embodiment, the radii of the first intersecting arc 201, the second intersecting arc 202 and the third intersecting arc 203 are all equal and smaller than the radius of the ball top 10. That is, the diaphragm structure 100 is disposed in a flattened manner in space, and the height of the highest point on the ball top portion 10 is smaller than the height of the highest point on the ring-folded portion 20.

In one embodiment, the second R rings 22 are provided in plurality, and the second R rings 22 are sequentially connected. The plurality of second R rings 22 further increase the radiation area of sound and increase the intensity of bass sounds to make bass sounds penetrating and powerful.

Referring to fig. 1 to 3, in an embodiment, the connecting position of the second R ring 22 and the first R ring 21 is rounded, that is, the first R ring 21 and the second R ring 22 are integrally arranged in appearance, and smoothly transits from the second R ring 22 to the first R ring 21, and no obvious difference occurs in comparison with the original design, and the connecting position of the second R ring 22 and the first R ring 21 is rounded, so that the whole diaphragm structure 100 has better compliance and less distortion.

In one embodiment, the second R-ring 22 is radiused at the connection with the third R-ring 23. Look in appearance promptly and see that third R ring 23 and second R ring 22 are an organic whole and set up, from second R ring 22 smooth transition to third R ring 23, and can not appear obvious difference with the outward appearance contrast of former design to second R ring 22 is the fillet setting with third R ring 23's hookup location department and can makes the holistic state of following in good order of vibrating diaphragm structure 100, and the distortion is littleer.

In one embodiment, the surface of the edge portion 20 is provided with a plurality of lug grooves 30 inclined in the same direction. The plurality of lug grooves 30 are circumferentially arranged on the surface of the edge folding portion 20, and the plurality of lug grooves 30 enable the vibration of the diaphragm structure 100 to have certain directionality and regularity, so that the vibration of the diaphragm structure 100 tends to be balanced and stable, the distortion phenomenon of the diaphragm is reduced, and the acoustic performance of the product is improved.

in one embodiment, an included angle between a longitudinal direction of each of the lug grooves 30 and a straight line passing through a center point of the ball top 10 and an end point of the lug groove 30 near the center point is denoted as α, where α ranges from 50 ° to 55 °.

Referring to fig. 4, in one embodiment, the third R-ring 23 includes a ring body 24 connected to the second R-ring 22 and a welt ring 25 attached to the body 24 of the welt ring 25, the welt ring 25 being used to connect the ring body 24 to an external structural member; a groove 26 is arranged on the ring surface of one side of the edge sticking ring 25. The groove 26 can enhance the peripheral supporting force of the third R ring 23, and avoid the phenomenon that the acoustic performance of the diaphragm structure 100 is unstable due to abnormal micro-changes of the third R ring 23 caused by abnormal conditions in the gluing and bonding process of the welting ring 25 and an external structural member. That is, when the vibration of the external structural member is transmitted to the welt ring 25, the groove 26 may attenuate the transmission of the vibration to the third R-ring 23, so that the acoustic performance of the third R-ring 23 is maintained stable without being affected by the outside.

In one embodiment, the groove 26 is an annular structure and the groove 26 is disposed proximate the junction of the ring body 24 and the welt ring 25.

In one embodiment, the groove 26 has a groove width of less than 0.3 mm.

The utility model also provides a headphone, this headphone include vibrating diaphragm structure 100, and this vibrating diaphragm structure 100's concrete structure refers to above-mentioned embodiment, because this headphone has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, no longer gives unnecessary details one by one here.

In one embodiment, the headset further comprises a frame for the diaphragm structure 100 to be arranged.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A diaphragm structure, comprising:

a ball top; and

2. The diaphragm structure of claim 1, wherein: the radiuses corresponding to the first intersection arc line, the second intersection arc line and the third intersection arc line are all equal and smaller than the radius of the top of the ball.

3. The diaphragm structure of claim 1, wherein: the number of the second R rings is multiple, and the second R rings are sequentially connected.

4. The diaphragm structure of claim 1, wherein: the connecting position of the second R ring and the first R ring is arranged in a round angle mode.

5. The diaphragm structure of claim 1, wherein: the connecting position of the second R ring and the third R ring is arranged in a round angle mode.

6. The diaphragm structure of claim 1, wherein: the surface of the ring folding part is provided with a plurality of pattern grooves which are obliquely arranged towards the same direction.

7. The diaphragm structure of claim 6, wherein: the included angle between the length direction of each pattern groove relative to the straight line passing through the center point of the top of the sphere and the end point of the pattern groove close to the center point is as follows: 50 to 55 degrees.

8. The diaphragm structure of claim 1, wherein: the third R ring comprises a ring body connected with the second R ring and a welt ring connected with the ring body, and the welt ring is used for connecting the ring body to an external structural member; a groove is formed in the ring surface of one side of the edge pasting ring.

9. The diaphragm structure of claim 8, wherein: the groove is of an annular structure and is arranged close to the joint of the ring body and the edge pasting ring.

10. A headset, comprising: a diaphragm structure as claimed in any one of claims 1 to 9, and a frame on which the diaphragm structure is arranged.