CN108600931B - Loudspeaker diaphragm, manufacturing method thereof and earphone using same - Google Patents
Loudspeaker diaphragm, manufacturing method thereof and earphone using same Download PDFInfo
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- CN108600931B CN108600931B CN201810021445.6A CN201810021445A CN108600931B CN 108600931 B CN108600931 B CN 108600931B CN 201810021445 A CN201810021445 A CN 201810021445A CN 108600931 B CN108600931 B CN 108600931B
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- diaphragm
- ring
- membrane layer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/001—Moulding aspects of diaphragm or surround
Abstract
The application relates to the field of vibro-acoustics, in particular to a loudspeaker diaphragm, a manufacturing method thereof and an earphone using the diaphragm. The loudspeaker diaphragm comprises a central diaphragm body, and a transition diaphragm ring is connected to the peripheral edge of the central diaphragm body; the peripheral edge of the transition diaphragm ring is connected with a low-frequency diaphragm ring; the diaphragm is formed by laminating an inner diaphragm layer, a middle diaphragm layer and an outer diaphragm layer in sequence; the central diaphragm body and the transition diaphragm ring, and the transition diaphragm ring and the low-frequency diaphragm ring are connected through rigid parts; the rigid piece is fixedly clamped between any two adjacent layers of the inner membrane layer, the middle membrane layer and the outer membrane layer. Can guarantee mutually supporting of low frequency vibration and high frequency vibration when receiving drive unit's effect, can satisfy lower low frequency vibration frequency simultaneously when the high frequency effect is outstanding, reduce high frequency vibration effectively and to low frequency vibration's tractive influence, satisfied people's demand more effectively, solved the problem that exists among the prior art.
Description
Technical Field
The application relates to the field of vibro-acoustics, in particular to a loudspeaker diaphragm, a manufacturing method thereof and an earphone using the diaphragm.
Background
Earphones are a pair of conversion units that receive electrical signals from a media player or receiver and convert them to audible sound waves using speakers near the ears, and are typically separable from the media player and connected using a plug. The user can listen to the sound independently without influencing other people; the sound of the surrounding environment can be isolated. When two sides of the diaphragm are acted by different pressures or forces, the diaphragm moves towards the side with low pressure in a strained way, so that the center of the diaphragm generates displacement which has a certain relation with the pressure difference, and then sounds with different melodies are generated. When the existing diaphragm is used, the driving unit drives the vibrating diaphragm to move back and forth to generate pressure waves to make sound, and when the low-frequency vibration frequency is low, the high frequency is not extended enough; will lead to subsidiary low frequency vibration to be on the high side when guaranteeing high frequency extension range, because the not enough of current earphone diaphragm leads to current earphone speaker narrower at the in-process frequency band that uses, and it is poor to take place the effect, and it can't satisfy people's demand more effectively to show current speaker diaphragm and earphone.
Content of application
The application provides a speaker diaphragm and manufacturing method and use earphone of this diaphragm can guarantee mutually supporting of low frequency vibration and high frequency vibration when receiving drive unit's effect, can satisfy lower low frequency vibration frequency simultaneously when the high frequency effect is outstanding, reduces high frequency vibration effectively and has satisfied people's demand more effectively to the tractive influence of low frequency vibration, has solved the problem that exists among the prior art.
The technical scheme adopted by the application for solving the technical problems is as follows: a loudspeaker diaphragm comprises a central diaphragm body, wherein a transition diaphragm ring is connected to the peripheral edge of the central diaphragm body; the peripheral edge of the transition diaphragm ring is connected with a low-frequency diaphragm ring; the diaphragm is formed by laminating an inner diaphragm layer, a middle diaphragm layer and an outer diaphragm layer in sequence; the central diaphragm body and the transition diaphragm ring, and the transition diaphragm ring and the low-frequency diaphragm ring are connected through rigid parts; the rigid piece is fixedly clamped between any two adjacent layers of the inner membrane layer, the middle membrane layer and the outer membrane layer.
The Young modulus of the material of the central membrane part of the outer membrane layer is higher than that of the material of the transition membrane ring part and the material of the low-frequency membrane ring part of the outer membrane layer.
The rigid part is an elastic alloy ring.
The center of the central membrane body protrudes upwards to form a spherical surface shape; the central rings of the transition diaphragm ring and the low-frequency diaphragm ring are both upwards protruded, and the edges of the two sides are both downwards inclined.
And a plurality of reinforcing ribs are uniformly arranged on the outer side walls of the central diaphragm body, the transition diaphragm ring and the low-frequency diaphragm ring at intervals along the circumference of the outer side walls.
A method for manufacturing a loudspeaker diaphragm comprises the following steps:
s1: adhering an elastic alloy ring to the middle diaphragm layer according to the position requirement;
s2: bonding the inner membrane layer to the bottom of the middle membrane layer;
s3: pressing the inner membrane layer corresponding to the periphery of the elastic alloy ring until no gap or air bubble exists between the inner membrane layer and the elastic alloy ring or between the inner membrane layer and the middle membrane layer;
s4: bonding an outer membrane layer on top of the intermediate membrane layer;
s5: pressing the outer membrane layer corresponding to the periphery of the elastic alloy ring until no gap or air bubble exists between the outer membrane layer and the elastic alloy ring or between the outer membrane layer and the middle membrane layer;
s6: and a pressing die matched with the loudspeaker diaphragm is adopted to perform pressurization treatment on the diaphragm.
The earphone made of the diaphragm comprises two loudspeakers, wherein the outer side wall of the end part of each loudspeaker is respectively sleeved with a rubber dustproof ring, and a plurality of strip-shaped slots are uniformly formed in the outer side wall of each rubber dustproof ring along the circumference of the outer side wall; a spiral pipe with a threaded outer side wall is clamped on the outer side of the rubber dustproof ring, and a plurality of sliding blocks which are matched and inserted with the strip-shaped slots are arranged on the inner side wall of the spiral pipe; a sound amplifying device is arranged between the opposite end parts of the two loudspeakers; the two loudspeakers are connected with an earphone plug through wires respectively.
The loudspeaker comprises a loudspeaker main body, the diaphragm is arranged on the outer side of the loudspeaker main body, and the diaphragm is fixedly connected to the loudspeaker main body through the basin frame and the centering support plate; the outer side of the diaphragm is provided with a dust cover.
The supporting device comprises a left arc-shaped bracket and a right arc-shaped bracket; the left arc-shaped bracket and the right arc-shaped bracket are fastened and connected through an adjustable screw and a nut; two ends of the adjustable screw rod are respectively provided with an elastic protection block; the left arc-shaped support and the right arc-shaped support are movably connected with a rotating shaft on the loudspeaker main body through snap rings at the respective ends of the left arc-shaped support and the right arc-shaped support.
The sound amplifying device comprises a hollow sound amplifying pipe with openings at two ends, and inner threads matched with the outer threads of the spiral pipe are arranged on the inner side walls at two ends of the sound amplifying pipe; the inner cavity of the sound amplifying tube is sequentially reduced from the middle part to the two ends.
The sound amplifying tube is made of thin sheet metal.
And a plurality of elastic tuning rings are respectively sleeved on the outer side walls of the two end parts of the sound amplifying pipe.
The low-frequency vibration control device has the advantages that the mutual matching of low-frequency vibration and high-frequency vibration can be ensured under the action of the driving unit, and when the high-frequency effect is prominent, the low-frequency vibration frequency can be met, so that the traction influence of the high-frequency vibration on the low-frequency vibration is effectively reduced; the earphone that adopts this diaphragm to make possesses the characteristic that above-mentioned diaphragm had when using, can guarantee better tone quality and vibration frequency simultaneously, can regard as ordinary headphone to use when this earphone normal use, and this device can regard as simple and easy stereo set again to use when needs external broadcast music, and the high frequency intermediate frequency low frequency effect of stereo set can be as required micro-adjustment simultaneously, has satisfied people's demand more effectively, has solved the problem that exists among the prior art.
Drawings
Fig. 1 is a schematic view of the internal structure of a diaphragm in the present application.
Fig. 2 is a schematic top view of the diaphragm of the present application.
Fig. 3 is a partial sectional structural schematic diagram of a loudspeaker in the present application.
Fig. 4 is a schematic structural diagram of the present application.
Fig. 5 is a schematic diagram of a partial top view of the structure of fig. 4.
Fig. 6 is a first partial structural schematic diagram of the present application.
Fig. 7 is a second partial structural diagram of the present application.
Fig. 8 is a side view of the structure of fig. 6.
Fig. 9 is a schematic view of the storage process of the present application.
Fig. 10 is a schematic view of the structure of the coil and its upper part in the present application.
Fig. 11 is a schematic structural view of the sound amplifying tube and its upper member in the present application.
In the figure, 1, a central membrane body; 2. A transition diaphragm ring; 3. a low frequency diaphragm ring; 4. An inner membrane layer; 5. An intermediate membrane layer; 6. an outer membrane layer; 7. an elastic alloy ring; 8. reinforcing ribs; 9. a speaker; 10. a rubber dust ring; 11. a strip-shaped slot; 12. a solenoid; 13. a slider; 14. an earphone plug; 15. a membrane; 16. a dust cover; 17. a left arc-shaped bracket; 18. a right arc support; 19. an adjustable screw; 20. a nut; 21. an elastic protection block; 22. a snap ring; 23. an elastic tone tuning ring; 24. A sound amplification tube.
Detailed Description
In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-11, a loudspeaker diaphragm includes a central diaphragm body 1, a transition diaphragm ring 2 connected to a peripheral edge of the central diaphragm body 1; the peripheral edge of the transition diaphragm ring 2 is connected with a low-frequency diaphragm ring 3; the diaphragm 15 is formed by sequentially laminating an inner diaphragm layer 4, an intermediate diaphragm layer 5 and an outer diaphragm layer 6; the central diaphragm body 1 and the transition diaphragm ring 2, and the transition diaphragm ring 2 and the low-frequency diaphragm ring 3 are connected through rigid parts; the rigid piece is fixedly clamped between any two adjacent layers of the inner membrane layer 4, the middle membrane layer 5 and the outer membrane layer 6; the inner membrane layer 4, the middle membrane layer 5 and the outer membrane layer 6 can be made of materials commonly used in the market, such as polyester films or polyurethane films, or can be combined with the polyester films or the polyurethane films, the damping of the whole material can be increased by arranging the plurality of membrane layers in an overlapped mode, and the whole material is not prone to deformation and can be moved when the damping device is used.
The Young modulus of the material of the central diaphragm body 1 part of the outer diaphragm layer 6 is higher than that of the material of the transition diaphragm ring 2 part and the low-frequency diaphragm ring 3 part of the outer diaphragm layer 6; the middle part is made of a material with a larger Young modulus, so that the moving stability, the placing deformation and the deflection of the membrane 15 when the membrane is subjected to high-frequency vibration can be ensured; meanwhile, the middle part and the edge part are made of materials with relatively low Young modulus, so that the vibration of the diaphragm 15 in the medium-frequency or high-frequency process can be ensured.
The rigid part is an elastic alloy ring 7; the elastic alloy rings 7 have certain rigidity and flexibility, can play a supporting role in the whole diaphragm 15, can ensure the larger displacement of the central diaphragm body 1 at the middle part when subjected to high-frequency vibration, and simultaneously, each elastic alloy ring 7 is fixedly connected with each layer of the transition diaphragm ring 2 and the low-frequency diaphragm ring 3, so that the resistance of the elastic alloy ring 7 at the connecting part must be overcome to a certain degree firstly for the motion displacement of the transition diaphragm ring 2 and the low-frequency diaphragm ring 3 under the action of high frequency, so that the elastic alloy rings can play a good role in the central diaphragm body 1 at high frequency and can better limit the transition vibration of medium and low frequencies; of course, when the diaphragm 15 is subjected to low-frequency vibration, the low-frequency portion is in direct contact with the driving unit to generate low-frequency vibration, and at this time, in order to make high-frequency motion, it is necessary to overcome the damping of the diaphragm 15 itself and the resistance of each elastic alloy ring 7, so that the pulling influence on high frequency can be reduced as much as possible when the low-frequency motion is good.
The center of the central membrane body 1 protrudes upwards to form a spherical surface shape; the central rings of the transition diaphragm ring 2 and the low-frequency diaphragm ring 3 are both upwards protruded, and the edges of the two sides are both downwards inclined.
A plurality of reinforcing ribs 8 are uniformly arranged on the outer side walls of the central diaphragm body 1, the transition diaphragm ring 2 and the low-frequency diaphragm ring 3 at intervals along the circumference of the central diaphragm ring, and the reinforcing ribs 8 can effectively enhance the strength of the whole diaphragm 15 and play a good supporting role.
A method for manufacturing a loudspeaker diaphragm comprises the following steps:
s1: adhering an elastic alloy ring 7 to the intermediate diaphragm layer 5 according to the position requirement;
s2: bonding the inner membrane sheet layer 4 at the bottom of the middle membrane sheet layer 5;
s3: pressing the inner membrane layer 4 corresponding to the periphery of the elastic alloy ring 7 until no gap or bubble exists between the inner membrane layer 4 and the elastic alloy ring 7 or between the inner membrane layer and the middle membrane layer 5, so that the contact compactness of the whole membrane 15 can be ensured, and the existence of the placed bubbles has influence on tone quality;
s4: adhering an outer membrane sheet layer 6 on top of the intermediate membrane sheet layer 5;
s5: pressing the outer membrane layer 6 corresponding to the periphery of the elastic alloy ring 7 until no gap or bubble exists between the outer membrane layer 6 and the elastic alloy ring 7 or between the outer membrane layer and the middle membrane layer 5, so that the contact compactness of the whole membrane 15 can be ensured, and the existence of the placed bubbles has influence on tone quality;
s6: adopt with this speaker diaphragm complex press die carries out pressurization processing to diaphragm 15, can strengthen the fastness between each diaphragm layer through pressurization processing, prevent that the in-process that the later stage used from taking place the fracture phenomenon.
The earphone made of the diaphragm 15 comprises two speakers 9, the outer side walls of the end parts of the speakers 9 are respectively sleeved with a rubber dustproof ring 10, the rubber dustproof ring 10 is arranged on the outer side of a dustproof cover 16 and can play a role in preventing dust from entering the outer side edges of the speakers 9 and ensure the cleanness of the interior of the speakers, a plurality of strip-shaped slots 11 are uniformly arranged on the outer side wall of the rubber dustproof ring 10 along the circumference of the rubber dustproof ring, and the strip-shaped slots 11 can ensure the normal movement of a solenoid 12 so as to play a role in adjusting and facilitating connection when the earphone is converted into sound; a threaded pipe 12 with a threaded outer side wall is clamped on the outer side of the rubber dustproof ring 10, a plurality of sliding blocks 13 which are matched and inserted with the strip-shaped slots 11 are arranged on the inner side wall of the threaded pipe 12, and the sliding blocks 13 are arranged in the strip-shaped slots 11 to play a role in guiding; a sound amplifying device is arranged between the opposite end parts of the two loudspeakers 9, the sound amplifying device can change the earphone into a simple earphone rapidly, the earphone is multipurpose, and the utilization rate of the equipment is effectively improved; the two speakers 9 are connected with an earphone plug 14 through wires.
The loudspeaker 9 comprises a loudspeaker 9 main body, the diaphragm 15 is arranged on the outer side of the loudspeaker 9 main body, and the diaphragm 15 is fixedly connected to the loudspeaker 9 main body through a basin frame and a centering support plate; a dust cover 16 is arranged outside the membrane 15; the dust cover 16 serves the purpose of preventing the entry of dust and foreign materials.
The supporting device comprises a left arc-shaped bracket 17 and a right arc-shaped bracket 18; the left arc-shaped bracket 17 and the right arc-shaped bracket 18 are tightly connected through an adjustable screw rod 19 and a nut 20; the angle between the left arc-shaped support 17 and the right arc-shaped support 18 can be adjusted by loosening the adjustable screw rod 19 and the nut 20, meanwhile, when the earphone needs to be stored, the earphone can be folded by folding, and the adjustable screw rod 19 and the nut 20 are locked after being folded, so that the occupied space of the earphone can be reduced, the earphone is convenient to store and carry, the two end parts of the adjustable screw rod 19 are respectively provided with the elastic protection block 21, and the elastic protection blocks 21 can effectively prevent a user from directly contacting with the hard part of the adjustable screw rod 19 and can play a role in protection; the left arc-shaped support 17 and the right arc-shaped support 18 are movably connected with a rotating shaft on the main body of the loudspeaker 9 through snap rings 22 at the respective ends of the left arc-shaped support and the right arc-shaped support respectively.
The sound amplifying device comprises a hollow sound amplifying pipe 24 with openings at two ends, and inner threads matched with the outer threads of the solenoid 12 are arranged on the inner side walls at two ends of the sound amplifying pipe 24; when the device is used as a simple sound box, the connection between the sound amplifying tube 24 and each spiral tube 12 can be realized by sliding the two spiral tubes 12 towards the inner ends and then rotating the sound amplifying tube 24, and the inner cavity of the sound amplifying tube 24 is sequentially reduced from the middle part to the two ends; the arrangement of the sound amplifying tube 24 can mix the sound of the two earphones with medium and low frequency three frequencies by using the air duct sound amplifying method, so that the original defects of high frequency, medium frequency and low frequency of the earphones are well overcome, the sound can be balanced and amplified, the sound amplifying effect can be achieved, and the use requirement of common users on the sound can be met; the inner cavity of the sound amplifying tube 24 is designed to be a shape which is gradually reduced from the middle part to the two ends, so that the sound amplifying effect can be better improved, and the stereo sound quality can be enhanced.
The sound amplifying tube 24 is made of thin sheet metal; the shape of the sound diffusing tube 24 can serve the purpose of amplifying sound, and the material of the metal sheet can improve the sound quality effect.
A plurality of elastic tuning rings 23 are respectively sleeved on the outer side walls of the two end parts of the sound amplifying pipe 24, when the sound amplifying effect and the sound quality of the sound amplifying pipe 24 are slightly adjusted, the elastic tuning rings 23 have certain elasticity, so that different outer diameters of the sound amplifying pipe 24 can be sleeved, when the elastic tuning rings 23 are arranged at different positions of the sound amplifying pipe 24, different influences can be generated on the sound amplifying effect and the sound amplifying effect due to different materials and pressing forces of different positions during vibration and feedback, and a user can select and adjust the sound amplifying ring as required, so that the requirements of different sound qualities are met.
When the earphone is normally used, the sound amplifying tube 24 is not installed, the two spiral tubes 12 are respectively pushed to the rearmost ends of the strip-shaped slots 11, and the earphone is worn on the head when music listening is needed. When the device is required to be used as a simple sound box to play an external sound, the sound amplifying tube 24 is arranged on the supporting device through the two spiral tubes 12, when the installation is inconvenient, the speakers 9 can be directly taken down from the snap rings 22, and then the speakers 9 are arranged on the spiral tubes 12 and then are arranged back to the snap rings 22. When needs are accomodate this device and are put and carry out in the case, can directly take off public address pipe 24, then can adjust the angle between left arc support 17 and the right arc support 18 through not hard up adjustable screw rod 19, nut 20, can realize folding through the fifty percent discount when needs are accomodate this earphone simultaneously, after folding back again with adjustable screw rod 19, nut 20 lock can, just so can reduce the occupation space of earphone. When used as a sound box, the sound amplification tube 24 is provided at the inner end of the speaker 9 to provide a protection effect. The device can ensure the mutual matching of low-frequency vibration and high-frequency vibration when being acted by the driving unit, can meet the requirement of lower low-frequency vibration frequency when the high-frequency effect is prominent, and effectively reduces the traction influence of the high-frequency vibration on the low-frequency vibration; the earphone that adopts this diaphragm 15 to make possesses the characteristic that above-mentioned diaphragm 15 has when using, can guarantee better tone quality and vibration frequency simultaneously, can regard as ordinary headphone to use when this earphone normal use, and this device can regard as simple and easy stereo set again to use when the music is played to needs external, and the high frequency intermediate frequency low frequency effect of stereo set can be as required micro-adjustment simultaneously, has satisfied people's demand more effectively, has solved the problem that exists among the prior art.
The above-described embodiments should not be construed as limiting the scope of the present application, and any alternative modifications or alterations made to the embodiments of the present application will be apparent to those skilled in the art.
Those skilled in the art will appreciate that the details of the present application are not specifically described in the present application.
Claims (7)
1. A loudspeaker diaphragm characterized by: comprises a central membrane body, wherein a transition membrane ring is connected with the peripheral edge of the central membrane body; the peripheral edge of the transition diaphragm ring is connected with a low-frequency diaphragm ring; the diaphragm is formed by laminating an inner diaphragm layer, a middle diaphragm layer and an outer diaphragm layer in sequence; the central diaphragm body and the transition diaphragm ring, and the transition diaphragm ring and the low-frequency diaphragm ring are connected through rigid parts; the rigid part is fixedly clamped between any two adjacent layers of the inner membrane layer, the middle membrane layer and the outer membrane layer; the Young modulus of the material of the central membrane part of the outer membrane layer is higher than that of the material of the transition membrane ring part and the material of the low-frequency membrane ring part of the outer membrane layer; the rigid part is an elastic alloy ring; the center of the central membrane body protrudes upwards to form a spherical surface shape; the central rings of the transition diaphragm ring and the low-frequency diaphragm ring are both upwards protruded, and the edges of the two sides are both downwards inclined.
2. A method of making a loudspeaker diaphragm according to claim 1, comprising the steps of:
s1: adhering an elastic alloy ring to the middle diaphragm layer according to the position requirement;
s2: bonding the inner membrane layer to the bottom of the middle membrane layer;
s3: pressing the inner membrane layer corresponding to the periphery of the elastic alloy ring until no gap or air bubble exists between the inner membrane layer and the elastic alloy ring or between the inner membrane layer and the middle membrane layer;
s4: bonding an outer membrane layer on top of the intermediate membrane layer;
s5: pressing the outer membrane layer corresponding to the periphery of the elastic alloy ring until no gap or air bubble exists between the outer membrane layer and the elastic alloy ring or between the outer membrane layer and the middle membrane layer;
s6: and a pressing die matched with the loudspeaker diaphragm is adopted to perform pressurization treatment on the diaphragm.
3. An earphone made using the speaker diaphragm of claim 1, wherein: the loudspeaker comprises two loudspeakers, wherein a rubber dustproof ring is sleeved on the outer side wall of the end part of each loudspeaker respectively, and a plurality of strip-shaped slots are uniformly arranged on the outer side wall of the rubber dustproof ring along the circumference of the rubber dustproof ring; a spiral pipe with a threaded outer side wall is clamped on the outer side of the rubber dustproof ring, and a plurality of sliding blocks which are matched and inserted with the strip-shaped slots are arranged on the inner side wall of the spiral pipe; a sound amplifying device is arranged between the opposite end parts of the two loudspeakers; the two loudspeakers are connected with an earphone plug through wires respectively.
4. The headset of claim 3, wherein: the loudspeaker comprises a loudspeaker main body, the diaphragm is arranged on the outer side of the loudspeaker main body, and the diaphragm is fixedly connected to the loudspeaker main body through the basin frame and the centering support plate; the outer side of the diaphragm is provided with a dust cover.
5. The headset of claim 4, wherein: the support device comprises a left arc-shaped support and a right arc-shaped support; the left arc-shaped bracket and the right arc-shaped bracket are fastened and connected through an adjustable screw and a nut; two ends of the adjustable screw rod are respectively provided with an elastic protection block; the left arc-shaped support and the right arc-shaped support are movably connected with a rotating shaft on the loudspeaker main body through snap rings at the respective ends of the left arc-shaped support and the right arc-shaped support.
6. The headset of claim 5, wherein: the sound amplifying device comprises a hollow sound amplifying pipe with openings at two ends, and inner threads matched with the outer threads of the spiral pipe are arranged on the inner side walls at two ends of the sound amplifying pipe; the inner cavity of the sound amplifying tube is sequentially reduced from the middle part to the two ends.
7. The headset of claim 6, wherein: the sound amplifying tube is made of thin sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021445.6A CN108600931B (en) | 2018-01-10 | 2018-01-10 | Loudspeaker diaphragm, manufacturing method thereof and earphone using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810021445.6A CN108600931B (en) | 2018-01-10 | 2018-01-10 | Loudspeaker diaphragm, manufacturing method thereof and earphone using same |
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| Publication Number | Publication Date |
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| CN108600931A CN108600931A (en) | 2018-09-28 |
| CN108600931B true CN108600931B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810021445.6A Active CN108600931B (en) | 2018-01-10 | 2018-01-10 | Loudspeaker diaphragm, manufacturing method thereof and earphone using same |
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Families Citing this family (1)
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| CN110290448A (en) * | 2019-08-12 | 2019-09-27 | 陈林 | A kind of voice coil and vibrating diaphragm component |
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| CN1839658A (en) * | 2003-08-22 | 2006-09-27 | 皇家飞利浦电子股份有限公司 | Loudspeaker having a composite diaphragm structure |
| JP3879627B2 (en) * | 2002-08-26 | 2007-02-14 | 松下電器産業株式会社 | Speaker diaphragm and speaker using the same |
| CN102300142A (en) * | 2010-06-25 | 2011-12-28 | 安桥株式会社 | Loudspeaker diaphragm and loudspeaker including the loudspeaker diaphragm |
| CN102325291A (en) * | 2011-08-31 | 2012-01-18 | 华为终端有限公司 | Loudspeaker diaphragm, loudspeaker and mobile terminal |
| CN202121764U (en) * | 2011-05-20 | 2012-01-18 | 深圳麦博电器有限公司 | Mechanical frequency division diaphragm and loudspeaker |
| CN204291353U (en) * | 2014-12-23 | 2015-04-22 | 歌尔声学股份有限公司 | Composite diaphragm and be provided with the Microspeaker of this vibrating diaphragm |
| CN204906716U (en) * | 2015-09-06 | 2015-12-23 | 寻乌县爱馨泰电子商贸有限公司 | Compound vibrating diaphragm of loudspeaker |
| CN205622850U (en) * | 2016-04-02 | 2016-10-05 | 东莞市声悦电子实业有限公司 | Earphone vibrating diaphragm structure |
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2018
- 2018-01-10 CN CN201810021445.6A patent/CN108600931B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3026204C2 (en) * | 1979-07-10 | 1985-05-30 | Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa | Process for the production of a membrane for use in electroacoustic sound pressure transducers |
| JP3879627B2 (en) * | 2002-08-26 | 2007-02-14 | 松下電器産業株式会社 | Speaker diaphragm and speaker using the same |
| CN1839658A (en) * | 2003-08-22 | 2006-09-27 | 皇家飞利浦电子股份有限公司 | Loudspeaker having a composite diaphragm structure |
| CN102300142A (en) * | 2010-06-25 | 2011-12-28 | 安桥株式会社 | Loudspeaker diaphragm and loudspeaker including the loudspeaker diaphragm |
| CN202121764U (en) * | 2011-05-20 | 2012-01-18 | 深圳麦博电器有限公司 | Mechanical frequency division diaphragm and loudspeaker |
| CN102325291A (en) * | 2011-08-31 | 2012-01-18 | 华为终端有限公司 | Loudspeaker diaphragm, loudspeaker and mobile terminal |
| CN204291353U (en) * | 2014-12-23 | 2015-04-22 | 歌尔声学股份有限公司 | Composite diaphragm and be provided with the Microspeaker of this vibrating diaphragm |
| CN204906716U (en) * | 2015-09-06 | 2015-12-23 | 寻乌县爱馨泰电子商贸有限公司 | Compound vibrating diaphragm of loudspeaker |
| CN205622850U (en) * | 2016-04-02 | 2016-10-05 | 东莞市声悦电子实业有限公司 | Earphone vibrating diaphragm structure |
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| CN108600931A (en) | 2018-09-28 |
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Denomination of invention: The invention relates to a loudspeaker diaphragm, a manufacturing method thereof and an earphone using the diaphragm Effective date of registration: 20211130 Granted publication date: 20200908 Pledgee: China Postal Savings Bank Co.,Ltd. Caoxian sub branch Pledgor: HEZE HAN SUNGWON ELECTRONICS CO.,LTD. Registration number: Y2021980013753 |