CN107484084B - Anti-disconnection loudspeaker diaphragm system - Google Patents
Anti-disconnection loudspeaker diaphragm system Download PDFInfo
- Publication number
- CN107484084B CN107484084B CN201710890151.2A CN201710890151A CN107484084B CN 107484084 B CN107484084 B CN 107484084B CN 201710890151 A CN201710890151 A CN 201710890151A CN 107484084 B CN107484084 B CN 107484084B
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- China
- Prior art keywords
- annular groove
- voice coil
- bulge loop
- convex ring
- vibrating diaphragm
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- 239000000428 dust Substances 0.000 claims description 27
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
Abstract
The invention discloses an anti-disconnection loudspeaker vibrating diaphragm system which comprises a voice coil framework, a centering support piece, a vibrating diaphragm and a dustproof cap, wherein the voice coil framework is matched and bonded with a centering hole on the centering support piece, the vibrating diaphragm is sleeved on the outer side of the voice coil framework and bonded with the voice coil framework and the centering support piece, the dustproof cap is arranged on the vibrating diaphragm, a first outer convex ring and a second outer convex ring are arranged on the periphery of the voice coil framework, a first annular groove is arranged on the inner wall of the centering hole of the centering support piece, a second annular groove is arranged at the lower end of the vibrating diaphragm, the first annular groove on the centering support piece is matched and bonded with a first outer convex ring on the voice coil framework, and the second annular groove on the vibrating diaphragm is matched and bonded with a second outer convex ring on the voice coil framework. The anti-disconnection loudspeaker diaphragm system has reasonable structure, high connection strength, strong centering effect and good stability, effectively reduces noise and is beneficial to improving the sound quality of a loudspeaker.
Description
[ field of technology ]
The invention relates to the technical field of speakers, in particular to an anti-disconnection speaker diaphragm system.
[ background Art ]
The loudspeaker is also called a loudspeaker, which is a very common electroacoustic transducer and can be seen in sounding electronic and electric equipment. Speakers are of many kinds, but the basic principle of operation is similar, and are elements that convert an electrical signal into a sound signal for playback. Currently, the most widely used is an electrodynamic loudspeaker, which is composed of a diaphragm, a voice coil, a permanent magnet, a bracket, and the like. When the voice coil of the loudspeaker is electrified with audio current, the voice coil generates an alternating magnetic field under the action of the current, and the permanent magnet also generates a constant magnetic field with constant magnitude and direction. The magnitude and direction of the magnetic field generated by the voice coil are continuously changed along with the change of the audio current, so that the interaction of the two magnetic fields enables the voice coil to move perpendicular to the current direction in the voice coil, and the voice coil is connected with the vibrating membrane so as to drive the vibrating membrane to vibrate, and the vibrating membrane vibrates to cause the vibration of air to generate sound. The larger the current input to the voice coil, the larger the acting force of the magnetic field, the larger the amplitude of vibration of the vibrating membrane, and the louder the sound.
The loudspeaker mainly comprises a magnetic circuit system and a vibrating diaphragm system, and the quality of the loudspeaker is directly determined by the quality of the vibrating diaphragm system. For the heavy bass loudspeaker, the vibration amplitude of the vibrating diaphragm is larger, the connection strength among the fixed core piece, the voice coil and the cone is reduced, the stability is reduced, and the tone quality is deteriorated. In order to solve this problem, it is necessary to provide a loudspeaker diaphragm system that is resistant to disconnection.
[ invention ]
The invention aims to overcome the defects of the prior art and provide an anti-disconnection loudspeaker diaphragm system, which aims to solve the technical problems that the connection strength among a fixed core support piece, a voice coil and a cone is reduced, the stability is reduced and the sound quality is deteriorated due to the large vibration amplitude of a heavy bass loudspeaker diaphragm in the prior art.
In order to achieve the above purpose, the invention provides an anti-drop loudspeaker vibrating diaphragm system, which comprises a voice coil framework, a centering support piece, a vibrating diaphragm and a dustproof cap, wherein the voice coil framework is matched and bonded with a centering hole on the centering support piece, the vibrating diaphragm is sleeved on the outer side of the voice coil framework and bonded with the voice coil framework and the centering support piece, the dustproof cap is arranged on the vibrating diaphragm, a first outer convex ring and a second outer convex ring are arranged on the periphery of the voice coil framework, a first annular groove is arranged on the inner wall of the centering hole of the centering support piece, a second annular groove is arranged at the lower end of the vibrating diaphragm, the first annular groove on the centering support piece is matched and bonded with a first outer convex ring on the voice coil framework, and the second annular groove on the vibrating diaphragm is matched and bonded with a second outer convex ring on the voice coil framework.
Preferably, a lower support ring is further arranged at the bottom of the inner ring of the centering support piece, a circle of third annular groove is formed in the inner wall of the lower support ring, a third outer convex ring is further arranged on the periphery of the voice coil framework, the third annular groove is matched with and bonded with the third outer convex ring, the third outer convex ring is located below the first outer convex ring, and the second outer convex ring is located above the first outer convex ring.
Preferably, the longitudinal sections of the first outer convex ring, the second outer convex ring and the third outer convex ring are all circular with the diameter larger than 1/2 circle.
Preferably, the upper end surface of the inner ring of the centering support piece is provided with a circle of fourth outer convex ring, the lower end of the vibrating diaphragm is also provided with a circle of fourth annular groove, the fourth annular groove is matched with and bonded with the fourth outer convex ring, the longitudinal section of the fourth outer convex ring is also round with the diameter larger than 1/2 of a circle, the opening of the fourth annular groove faces downwards, and the opening of the second annular groove faces inwards.
Preferably, a circle of sound absorbing layer is adhered to the outer part of the joint of the dustproof cap and the vibrating diaphragm.
Preferably, the upper port of the voice coil framework is further provided with an inner dust cover, the inner dust cover is in an upward convex spherical crown structure, the upper port edge of the voice coil framework is provided with a circle of fifth outer convex rings, the lower port edge of the inner dust cover is provided with a circle of fifth annular grooves, and the fifth annular grooves are matched with and bonded with the fifth outer convex rings.
Preferably, the longitudinal section of the fifth outer convex ring is in an oblate shape, and the fifth outer convex ring is embedded in a fifth annular groove on the inner dust cover.
Preferably, the inner dust cover is uniformly and densely provided with a plurality of small holes.
The invention has the beneficial effects that: compared with the prior art, the anti-drop loudspeaker vibrating diaphragm system provided by the invention has a reasonable structure, the inner ring of the centering support piece is of a double-layer structure, and the annular groove is arranged to be in matched connection with the corresponding outer convex ring on the voice coil framework, so that the connection strength of the centering support piece and the voice coil framework is improved, the centering effect of the voice coil framework is improved, the vibrating diaphragm is simultaneously connected with the centering support piece and the voice coil framework, and the outer convex ring is also adopted to be matched with the annular groove at the joint, so that the anti-drop effect and the vibration effect of the vibrating diaphragm are improved; furthermore, a circle of sound absorption layer is adhered to the joint of the dustproof cap and the vibrating diaphragm, so that the joint strength of the dustproof cap and the vibrating diaphragm is improved, pulse waves can be absorbed, and the sound quality of the loudspeaker is improved; in addition, an inner dust cover is additionally arranged, and small holes are arranged on the inner dust cover, so that the problem that noise is generated because high-strength up-and-down movement irradiates into air compression to be discharged from the bottom under the working state of heavy bass is solved, and the dust cover is prevented from being damaged.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a loudspeaker diaphragm system with anti-disconnection according to an embodiment of the present invention;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is an enlarged partial view of portion B of FIG. 1;
fig. 4 is a cross-sectional view of a centering clip according to an embodiment of the present invention.
In the figure: 1-voice coil skeleton, 11-first outer bulge loop, 12-second outer bulge loop, 13-third outer bulge loop, 14-fifth outer bulge loop, 2-centering support piece, 21-centering hole, 22-first annular groove, 23-lower support ring, 24-third annular groove, 25-fourth outer bulge loop, 3-vibrating diaphragm, 31-second annular groove, 32-fourth annular groove, 4-dust cap, 5-sound absorbing layer, 6-inner dust cover, 61-fifth annular groove, 62-aperture.
[ detailed description ] of the invention
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1 to 4, an embodiment of the invention provides a loudspeaker diaphragm system with anti-disconnection, which comprises a voice coil framework 1, a centering support piece 2, a diaphragm 3 and a dustproof cap 4, wherein the voice coil framework 1 is matched with and bonded with a centering hole 21 on the centering support piece 2, the diaphragm 3 is sleeved on the outer side of the voice coil framework 1 and bonded with the voice coil framework 1 and the centering support piece 2, the dustproof cap 4 is arranged on the diaphragm 3, a first outer convex ring 11 and a second outer convex ring 12 are arranged on the periphery of the voice coil framework 1, a first annular groove 22 is arranged on the inner wall of the centering hole 21 of the centering support piece 2, a second annular groove 31 is arranged at the lower end of the diaphragm 3, the first annular groove 22 on the centering support piece 2 is matched with and bonded with the first outer convex ring 11 on the voice coil framework 1, and the second annular groove 31 on the diaphragm 3 is matched with and bonded with the second outer convex ring 12 on the voice coil framework 1.
Further, a lower support ring 23 is further arranged at the bottom of the inner ring of the centering support piece 2, a circle of third annular groove 24 is formed in the inner wall of the lower support ring 23, a third outer convex ring 13 is further arranged on the periphery of the voice coil framework 1, the third annular groove 24 is matched with and bonded with the third outer convex ring 13, the third outer convex ring 13 is located below the first outer convex ring 11, the second outer convex ring 12 is located above the first outer convex ring 11, and longitudinal sections of the first outer convex ring 11, the second outer convex ring 12 and the third outer convex ring 13 are all round with a circle shape larger than 1/2.
Further, a fourth outer convex ring 25 is disposed on the upper end surface of the inner ring of the centering support 2, a fourth annular groove 32 is disposed at the lower end of the diaphragm 3, the fourth annular groove 32 is matched with and adhered to the fourth outer convex ring 25, the longitudinal section of the fourth outer convex ring 25 is also round with a diameter larger than 1/2 of a circle, the opening of the fourth annular groove 32 faces downwards, and the opening of the second annular groove 31 faces inwards.
In the embodiment of the invention, a circle of sound absorption layer 5 is adhered outside the joint of the dustproof cap 4 and the vibrating diaphragm 3.
Furthermore, the upper port of the voice coil bobbin 1 is further provided with an inner dust cover 6, the inner dust cover 6 is in an upward convex spherical crown structure, the upper port edge of the voice coil bobbin 1 is provided with a circle of fifth outer convex ring 14, the lower port edge of the inner dust cover 6 is provided with a circle of fifth annular groove 61, the fifth annular groove 61 is matched with and adhered to the fifth outer convex ring 14, the longitudinal section of the fifth outer convex ring 14 is in a flat circular shape, the fifth outer convex ring 14 is embedded in the fifth annular groove 61 on the inner dust cover 6, and a plurality of small holes 62 are uniformly and densely distributed on the inner dust cover 6.
According to the anti-drop loudspeaker vibrating diaphragm system, the inner ring of the centering support piece 2 is of a double-layer structure, and the annular groove is arranged to be in matched connection with the corresponding outer convex ring on the voice coil framework 1, so that the connection strength of the centering support piece 2 and the voice coil framework 1 is improved, the centering effect of the voice coil framework 1 is improved, the vibrating diaphragm 3 is simultaneously connected with the centering support piece 2 and the voice coil framework 1, and the outer convex ring is matched with the annular groove at the connecting position, so that the anti-drop effect and the vibration effect of the vibrating diaphragm 3 are improved; furthermore, the sound absorbing layer 5 is adhered to the joint of the dust cap 4 and the vibrating diaphragm 3, so that the connection strength of the dust cap 4 and the vibrating diaphragm 3 is improved, pulse waves can be absorbed, the sound quality of a loudspeaker is improved, particularly, the sound quality of a heavy bass loudspeaker and the sound quality of an overweight bass loudspeaker are improved, the dust cap 4 is impacted due to the fact that air is compressed and discharged in a low-frequency mode due to high-strength up-and-down movement in a working state of the heavy bass (the overweight bass), noise is generated, part of pulse waves can be absorbed through the sound absorbing layer 5, and the other part of pulse waves can be discharged through the small holes 62 in the inner dust cap 6, so that the dust cap 4 is prevented from being damaged, the sound quality of the loudspeaker is improved, and the tone is softer.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The utility model provides a loudspeaker vibrating diaphragm system that anticreep links, includes voice coil skeleton (1), centering piece (2), vibrating diaphragm (3) and dust cap (4), voice coil skeleton (1) cooperate and bond with centering hole (21) on the centering piece (2), vibrating diaphragm (3) cover establish in the outside of voice coil skeleton (1) to bond with voice coil skeleton (1) and centering piece (2), dust cap (4) set up on vibrating diaphragm (3), its characterized in that: the voice coil frame (1) the periphery be provided with first outer bulge loop (11) and second outer bulge loop (12), centering hole (21) inner wall of centering piece (2) on be provided with first annular groove (22), the lower extreme of vibrating diaphragm (3) be provided with second annular groove (31), first annular groove (22) on centering piece (2) and first outer bulge loop (11) on voice coil frame (1) cooperate and bond, second annular groove (31) on vibrating diaphragm (3) and second outer bulge loop (12) on voice coil frame (1) cooperate and bond, the inner circle up end of centering piece (2) be provided with round fourth outer bulge loop (25), the lower extreme of vibrating diaphragm (3) still be provided with round fourth annular groove (32), fourth annular groove (32) cooperate and bond with fourth outer bulge loop (25), fourth outer bulge loop (25) be greater than annular groove (3) of opening of ring-shaped sound absorbing layer (2) in the same section of ring-shaped (3) and the annular groove (3) of opening down.
2. The anti-disconnect loudspeaker diaphragm system of claim 1 wherein: the inner ring bottom of centering piece (2) still set up a lower ring (23), the inner wall of lower ring (23) on be provided with round third annular groove (24), the periphery of voice coil skeleton (1) still be provided with third outer bulge loop (13), third annular groove (24) and third outer bulge loop (13) cooperation and bonding, third outer bulge loop (13) be located the below of first outer bulge loop (11), second outer bulge loop (12) are located the top of first outer bulge loop (11).
3. The anti-disconnect loudspeaker diaphragm system of claim 2 wherein: the longitudinal sections of the first outer convex ring (11), the second outer convex ring (12) and the third outer convex ring (13) are all circular with the diameter larger than 1/2 of a circle.
4. The anti-disconnect loudspeaker diaphragm system of claim 1 wherein: the upper port of the voice coil framework (1) is further provided with an inner dust cover (6), the inner dust cover (6) is of an upward convex spherical crown structure, the upper port edge of the voice coil framework (1) is provided with a circle of fifth outer convex ring (14), the lower port edge of the inner dust cover (6) is provided with a circle of fifth annular groove (61), and the fifth annular groove (61) is matched with and adhered to the fifth outer convex ring (14).
5. The anti-disconnect loudspeaker diaphragm system of claim 4 wherein: the longitudinal section of the fifth outer convex ring (14) is in an oblate shape, and the fifth outer convex ring (14) is embedded in a fifth annular groove (61) on the inner dust cover (6).
6. The anti-disconnect loudspeaker diaphragm system of claim 4 wherein: the inner dust cover (6) is uniformly and densely provided with a plurality of small holes (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890151.2A CN107484084B (en) | 2017-09-27 | 2017-09-27 | Anti-disconnection loudspeaker diaphragm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890151.2A CN107484084B (en) | 2017-09-27 | 2017-09-27 | Anti-disconnection loudspeaker diaphragm system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107484084A CN107484084A (en) | 2017-12-15 |
| CN107484084B true CN107484084B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710890151.2A Active CN107484084B (en) | 2017-09-27 | 2017-09-27 | Anti-disconnection loudspeaker diaphragm system |
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| CN (1) | CN107484084B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111770419B (en) * | 2020-06-17 | 2021-08-31 | 斯贝克电子（嘉善）有限公司 | Loudspeaker with sound basin positioning device and manufacturing method thereof |
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| CN2266243Y (en) * | 1996-06-13 | 1997-10-29 | 陈正宗 | Coaxial double-field double-voice coil loudspeaker |
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| CN206422913U (en) * | 2017-02-08 | 2017-08-18 | 绵阳昊天信息技术有限公司 | A kind of loudspeaker for avoiding mid-high voice frequency impacted |
| CN207369284U (en) * | 2017-09-27 | 2018-05-15 | 嘉兴市金利达电子有限公司 | A kind of diaphragm of loudspeaker system of anticreep even |
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| JP2006222652A (en) * | 2005-02-09 | 2006-08-24 | Sony Corp | Diaphragm for speaker, speaker unit, and speaker system |
| JP4781432B2 (en) * | 2006-07-03 | 2011-09-28 | パイオニア株式会社 | Speaker device and speaker unit |
| US20150296302A1 (en) * | 2014-04-15 | 2015-10-15 | Bose Corporation | Loudspeaker with compliantly coupled low-frequency and high-frequency sections |
| KR102321465B1 (en) * | 2015-06-17 | 2021-11-03 | 삼성전자 주식회사 | Loudspeaker unit and audio output apparatus having the same |
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2017
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|---|---|---|---|---|
| CN2266243Y (en) * | 1996-06-13 | 1997-10-29 | 陈正宗 | Coaxial double-field double-voice coil loudspeaker |
| JP2000244999A (en) * | 1999-02-24 | 2000-09-08 | Matsushita Electric Ind Co Ltd | Loudspeaker |
| CN2488230Y (en) * | 2001-07-07 | 2002-04-24 | 斯贝克电子（嘉善）有限公司 | Voice coil frame with shoulder ring |
| CN103188591A (en) * | 2011-12-29 | 2013-07-03 | 鸿富锦精密工业（深圳）有限公司 | Horn |
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| CN107484084A (en) | 2017-12-15 |
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Address after: 314300 Wanghai Street Industrial Park, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Jinlida Electronic Co.,Ltd. Country or region after: China Address before: 314300 Yuantong Street Industrial Park, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: JIAXING JINLIDA ELECTRON Co.,Ltd. Country or region before: China |