CN102640520A - Diaphragm for sound converter - Google Patents
Diaphragm for sound converter Download PDFInfo
- Publication number
- CN102640520A CN102640520A CN2010800532963A CN201080053296A CN102640520A CN 102640520 A CN102640520 A CN 102640520A CN 2010800532963 A CN2010800532963 A CN 2010800532963A CN 201080053296 A CN201080053296 A CN 201080053296A CN 102640520 A CN102640520 A CN 102640520A
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- Prior art keywords
- oscillating plate
- vibration section
- central
- sound equipment
- conversion equipment
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
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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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
Abstract
The present invention provides a diaphragm for a sound converter which can improve middle and high range sound characteristics by increasing rigidity of a center part of a diaphragm and reducing the weight of the diaphragm. The diaphragm for the sound converter of the present invention comprises: a side diaphragm of which a center is punctured; a center diaphragm of which an edge part is overlapped with the side diaphragm; and a voice coil provided on the overlapped part between the side diaphragm and the center diaphragm. The present invention comprises: a side vibration portion having a ring-shaped protrusion; a center vibration portion positioned inside the side vibration portion; and a voice coil provided between the side vibration portion and the center vibration portion, the side vibration portion and the center vibration portion being formed with different materials.
Description
Technical field
The purpose of this invention is to provide a kind of rigidity and weight reduction of the central portion through improving oscillating plate, and then the sound equipment conversion equipment that can promote the medium-high frequency acoustic characteristic is used oscillating plate.
The present invention provides a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that, comprise the side oscillating plate, its middle body is breakthrough status; Central authorities' oscillating plate, it covers the breakthrough part of side oscillating plate, and edge and side oscillating plate are overlapping; And, voice coil loudspeaker voice coil, it is installed on side oscillating plate and the overlapping part of central oscillating plate.
Background technology
At present, the oscillating plate that in Microspeaker, uses, its material mainly adopts single film (film) moulding of PE or PP series; Film characteristics according to PE or PP series; Its elasticity is low, rigidity is high, though in can satisfying/acoustic characteristic of high frequency band
, sound pressure level of low-frequency band (SPL) and acoustic characteristic are low; In order to improve the acoustic characteristic of low-frequency band; Use under the situation of the little and thin oscillating plate film of rigidity, because the displacement of low-frequency band becomes big, though can improve the sound pressure level of low-frequency band; But because thinner thickness; Vibration in the CF frequency band, can occur cutting apart, cause occurring the audio distortions phenomenon, therefore have rate of total harmonics (THD) and become big shortcoming owing to cutting apart vibration.And existing Microspeaker only carries out the tuning of acoustic characteristic through shape and thickness by the oscillating plate of the film forming of single PE or single PP series, has limitation aspect the acoustic characteristic improving.
Summary of the invention
The object of the present invention is to provide a kind of sound equipment conversion equipment to use oscillating plate; Wherein, the side oscillating plate uses the complex vibration plate, thereby improves low frequency SPL and keep soft sound; And alleviate the weight of oscillating plate central part; Improve the shortcoming of complex vibration plate with this, that is, and in the lifting/characteristic oscillation of high frequency sound equipment.
And, the object of the present invention is to provide a kind of sound equipment conversion equipment to use oscillating plate, make it can contain the side-to-side movement of oscillating plate and promote its vibration that moves up and down.
And, the object of the present invention is to provide a kind of sound equipment conversion equipment to use oscillating plate, make it guide portion (lead) that possesses the voice coil loudspeaker voice coil of current delivery to oscillating plate be attached to the structural vibration that oscillating plate also can be put in order.
The object of the present invention is to provide a kind of sound equipment conversion equipment to use oscillating plate; Wherein, the side oscillating plate uses the complex vibration plate, improves low frequency SPL thus and keeps soft sound; And alleviate the weight of oscillating plate central part; Improve the shortcoming of complex vibration plate with this, that is, and in the lifting/vibration of high frequency acoustic characteristic.
And, the object of the present invention is to provide a kind of sound equipment conversion equipment to use oscillating plate, make it can contain the side-to-side movement of oscillating plate and promote its vibration that moves up and down.
And, the object of the present invention is to provide a kind of sound equipment conversion equipment to use oscillating plate, make it possess the structural vibration that the guide portion with the voice coil loudspeaker voice coil of current delivery to oscillating plate is attached to oscillating plate and can puts in order.
The present invention provides a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that, comprising: the side oscillating plate, and its middle body is breakthrough status; Central authorities' oscillating plate, it covers the breakthrough part of side oscillating plate, and edge and side oscillating plate are overlapping; And, voice coil loudspeaker voice coil, it is installed on side oscillating plate and the overlapping part of central oscillating plate.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that the side oscillating plate forms the domed shape that central portion is higher than inner edge portion and outer edge.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that central oscillating plate is the domed shape of central portion protuberance.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that central oscillating plate possesses: the inboard facies posterior hepatis overlapping with the inner edge portion of side oscillating plate; The outside facies posterior hepatis overlapping with the outside portion of side oscillating plate; And the damping portion that connects inboard facies posterior hepatis and outside facies posterior hepatis.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that, be combined with the electric wire that is connected on the voice coil loudspeaker voice coil in the damping portion.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that, on damping portion and outside facies posterior hepatis, be formed with conductive pattern.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that conductive pattern is the conductive pattern of F-PCB type.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that central oscillating plate also possesses the connecting portion that projects to the outside of outside facies posterior hepatis and be formed with conductive pattern.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that central oscillating plate is formed by mutual different material with the side oscillating plate.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that central oscillating plate comprises the UV shape layer.
The present invention provides a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that, comprising: the vibration section, side, and it is formed with the protuberance of near-ring shape; The central authorities vibration section, it is positioned at the inboard of vibration section, side; And voice coil loudspeaker voice coil, it is installed between vibration section, side and the central vibration section, and wherein, the vibration section, side is formed by mutual different material with central vibration section.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that, also comprise the central oscillating plate that independently forms and be attached to central vibration section.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that central oscillating plate also comprises the UV shape layer.
And, as other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that central vibration section comprises any in sedimentary deposit independently or the coating.
And; As other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that; The part that the outside and connection voice coil loudspeaker voice coil in the vibration section, side is provided with the portion and the outside, vibration section, side, pattern is formed with conductive coating or sedimentary deposit according to the rules.
And; As other execution modes of the present invention, provide a kind of sound equipment conversion equipment to use oscillating plate, it is characterized in that; Oscillating plate also comprises connecting portion; This connecting portion prolongs in the side direction outside of oscillating plate, and the conductive coating or the sedimentary deposit that form on the part outside the connection voice coil loudspeaker voice coil is provided with portion and vibration section, side and the outside of vibration section, side extend to connecting portion.
And; As other execution modes of the present invention; Provide a kind of sound equipment conversion equipment to use oscillating plate; It is characterized in that,, form the direction that is parallel to central vibration section and vibration section, side and be longer than pattern perpendicular to the direction of central vibration section and vibration section, side connecting conductive coating or the sedimentary deposit that voice coil loudspeaker voice coil is provided with the part formation in the portion and the outside, vibration section, side.
Sound equipment conversion equipment provided by the invention is used oscillating plate; Through independent big central oscillating plate and the low side oscillating plate of coefficient of elasticity of intensity that form; Make with overlapping and adhere to, thus the outstanding low frequency acoustic characteristic of the side oscillating plate of realization compound type, simultaneously; Weight through alleviating the oscillating plate central part is also strengthened its rigidity, thus realize outstanding in/the high frequency acoustic characteristic.
And; Sound equipment conversion equipment provided by the invention is used oscillating plate, and its central oscillating plate possesses damping portion, and damping portion makes central oscillating plate and side oscillating plate to move along above-below direction; Thereby prevent to cut apart the generation of vibration, and then in promoting/the high frequency acoustic characteristic.
And sound equipment conversion equipment provided by the invention is used oscillating plate, owing to can be fixed for the guide portion with current delivery to voice coil loudspeaker voice coil in the damping portion of central oscillating plate, is that the installation of oscillating plate facilitates when assembling sound equipment conversion equipment.
And sound equipment conversion equipment provided by the invention is used oscillating plate, on central oscillating plate, has formed conductive pattern, can be thereby formed with the structure of current delivery to voice coil loudspeaker voice coil, thus do not need extra guide portion with current delivery to voice coil loudspeaker voice coil.
And sound equipment conversion equipment provided by the invention is used oscillating plate, through on central oscillating plate, forming the UV shape layer, even under the situation of using thin oscillating plate, in also can promoting/and the acoustic characteristic of high frequency band, thus help realizing miniaturization.
Sound equipment conversion equipment provided by the invention is used oscillating plate, through the oscillating plate of employing compound type, thereby realizes outstanding low frequency acoustic characteristic; Simultaneously, through carry out UV moulding, coating or deposition independently in central vibration section, weight reduction is also reinforced rigidity, thus realize outstanding in/acoustic characteristic of high frequency.
And; Sound equipment conversion equipment provided by the invention is used oscillating plate; The pattern of coating that on oscillating plate, forms or deposition portion plays a kind of vibration section of impelling and carries out the cushioning effect of only moving along above-below direction, prevents to cut apart vibration, in the lifting/and the high frequency acoustic characteristic.
And sound equipment conversion equipment provided by the invention is used oscillating plate, and through applying or deposition forms conductive pattern, having constituted can be with the structure of current delivery to voice coil loudspeaker voice coil, thereby does not need the extra guide portion with current delivery to voice coil loudspeaker voice coil.
Description of drawings
Fig. 1 is the profile of the sound equipment conversion equipment of the first embodiment of the present invention with oscillating plate;
Fig. 2 is the stereogram of the sound equipment conversion equipment of the first embodiment of the present invention with oscillating plate;
Fig. 3 is the figure of the central oscillating plate that oscillating plate possessed of the expression second embodiment of the present invention;
Fig. 4 is the figure of the side oscillating plate that oscillating plate possessed of the expression second embodiment of the present invention;
Fig. 5 is the stereogram of the oscillating plate of the observed second embodiment of the present invention from the top;
Fig. 6 be from beneath to the stereogram of oscillating plate of the second embodiment of the present invention;
Fig. 7 is the figure of the oscillating plate of the expression third embodiment of the present invention;
Fig. 8 is the figure of the oscillating plate of the expression fourth embodiment of the present invention;
Fig. 9 and Figure 10 are the figure of the oscillating plate of expression the of the present invention the 5th and the 6th embodiment;
Figure 11 is the comparison diagram of acoustic characteristic of oscillating plate and the existing oscillating plate of the first embodiment of the present invention;
Figure 12 and Figure 13 are the figure of the sound equipment conversion equipment of expression the of the present invention the 7th and the 8th embodiment with oscillating plate;
Figure 14 and Figure 15 are the figure of the sound equipment conversion equipment of the expression nineth embodiment of the present invention with oscillating plate;
Figure 16 is the figure of the sound equipment conversion equipment of the expression tenth embodiment of the present invention with oscillating plate.
Embodiment
Fig. 1 is the profile of the sound equipment conversion equipment of the first embodiment of the present invention with oscillating plate, and Fig. 2 is the stereogram of the sound equipment conversion equipment of the first embodiment of the present invention with oscillating plate.
The sound equipment conversion equipment of the first embodiment of the present invention possesses central oscillating plate 100, side oscillating plate 200 and voice coil loudspeaker voice coil 300 with oscillating plate.Central authorities' oscillating plate 100 is by the thermoplastic film manufacturing of 50 ~ 100 μ m, and possesses the facies posterior hepatis 110 that is attached to side oscillating plate 200 and sonorific center dome portion 120.Side oscillating plate 200 is to go up welding polyethylene (PE) or polypropylene (PP) and the plate of the compound type made at thermoplastic polyurethane (TPU); Its concrete shape can be slightly different; But all be the annular roughly that central portion connects, and possess inner edge portion 210 with outer edge 220 and to outstanding also sonorific side dome (dome) portion 230 in top.Central authorities' oscillating plate 100 and side oscillating plate 200 independent formation, and the facies posterior hepatis of central oscillating plate 100 110 overlapping to the side oscillating plate 200 inner edge portion 210 and accomplish fixing.Because central oscillating plate 100 realizes overlapping with side oscillating plate 200 through minimum area and engage, therefore, can reduce to greatest extent or prevent because the imbedding of bubble that the joint of central oscillating plate 100 and side oscillating plate 200 produces or foreign matter.And; Because side oscillating plate 200 is the annular that central portion connects; Side oscillating plate 200 can not overlap onto sonorific center dome portion 120 in the central oscillating plate 100, can realize the lightweight of center dome portion 120 thus, thereby in promoting/the high frequency band acoustic characteristic.
Fig. 3 is the figure of the central oscillating plate that oscillating plate possessed of the expression second embodiment of the present invention; Fig. 4 is the figure of the side oscillating plate that oscillating plate possessed of the expression second embodiment of the present invention; Fig. 5 is the stereogram of the oscillating plate of the observed second embodiment of the present invention from the top, Fig. 6 be from beneath to the stereogram of oscillating plate of the second embodiment of the present invention.
The central oscillating plate 100 of the second embodiment of the present invention; The formation of its central circular top part 120 is identical with first embodiment; But; The facies posterior hepatis 110 that is attached to side oscillating plate 200 possesses the inboard facies posterior hepatis 112 of the inner edge portion 210 that is attached to side oscillating plate 200 and is attached to the outside facies posterior hepatis 114 of the outer edge 220 of side oscillating plate 200, and comprises damping (damper) portion 116 that is used to connect outside facies posterior hepatis 114 and inboard facies posterior hepatis 112.Damping portion 116 is the oblique line form of bending; Roughly form forms such as part spiral or involute curve, restriction center dome portion 120 carries out side-to-side movement, promptly; Be limited on the plane identical and move with facies posterior hepatis 110; Impel and can only carry out the motion of above-below direction, thereby prevent to cut apart vibration, in the lifting/the high frequency acoustic characteristic.And with reference to Fig. 6, damping portion 116 can also use as the line arrangement portion that the guide portion that is connected to voice coil loudspeaker voice coil 300 310 is obtained putting in order by binding.
Fig. 7 is the figure of the oscillating plate of the expression third embodiment of the present invention.As second embodiment, central oscillating plate 100 possesses inboard facies posterior hepatis 112, outside facies posterior hepatis 114, damping portion 116, center dome portion 120; Side oscillating plate 200 possesses inner edge portion 210, outer edge 220 and side circular top part 230.At this moment, in the outside of central oscillating plate 100 facies posterior hepatis 114 and damping portion 116, be formed with conductive pattern 400.Conductive pattern 400 is connected to the guide portion 310 of voice coil loudspeaker voice coil 300 or is connected directly to voice coil loudspeaker voice coil 300.Conductive pattern 400 is the pattern of F-PCB type, and through being connected to PCB substrate or pin, when oscillating plate was installed on framework, electric current flow to voice coil loudspeaker voice coil 300.When on central oscillating plate 100, forming conductive pattern 400, do not need extra line arranging process, can keep clean and tidy outward appearance, and simplify assembling procedure.
Fig. 8 is the figure of the oscillating plate of the expression fourth embodiment of the present invention.As the 3rd embodiment, central oscillating plate 100 possesses inboard facies posterior hepatis 112, outside facies posterior hepatis 114, damping portion 116, center dome portion 120; Side oscillating plate 200 possesses inner edge portion 210, outer edge 220 and side circular top part 230, and on central oscillating plate 100, is formed with conductive pattern 400.In addition, also comprise to the outstanding connecting portion 130 in the outside of the outside of central oscillating plate 100 facies posterior hepatis 114.Conductive pattern 400 forms and also extends to connecting portion 130, and outstanding connecting portion 130 is connected to outside PCB substrate or pin (Pin) to the outside, with current delivery to voice coil loudspeaker voice coil, thereby cause the vibration of oscillating plate.
Fig. 9 and Figure 10 are the figure of the oscillating plate of expression the of the present invention the 5th and the 6th embodiment.The 5th embodiment forms the example of center dome portion 120 at the middle body of central oscillating plate 100 with domed shape, and the 6th embodiment is the example that the middle body of central oscillating plate 100 is flat condition.According to the side oscillating plate 200 of the 5th and the 6th embodiment is through going up welding polyethylene (PE) at thermoplastic polyurethane (TPU) or polypropylene (PP) thermoplastic film of etc.ing is processed, and central oscillating plate is to process and carried out the UV forming processes through welding polyethylene (PE) or polypropylene thermoplastic films such as (PP) on thermoplastic polyurethane (TPU).The UV forming part can be implemented on any one in thermoplastic polyurethane or thermoplastic film.The UV forming processes is hardened and is carried out through smearing UV liquid and being exposed to ultraviolet ray, handles with the thickness about 20 μ m approximately.Because side oscillating plate 200 does not cover central oscillating plate 100, can alleviate the weight of central oscillating plate 100, that is, can alleviate the weight of the central portion of the oscillating plate that produces medium-high frequency sound.And, handle through carry out UV moulding (molding) at central oscillating plate 100, even if the oscillating plate of manufacturing small-sized, in also can promoting/the high frequency acoustic characteristic.
Figure 11 is the comparison diagram of acoustic characteristic of oscillating plate and the existing oscillating plate of the first embodiment of the present invention.Among the figure, what thick line was represented is the acoustic characteristic of the oscillating plate of first embodiment of the invention; What fine rule was represented is existing compound type,, independently forms central oscillating plate and side oscillating plate that is, and on the vibration section, side, is compounded with the acoustic characteristic of the oscillating plate of film independently etc.Can find out that from figure through adopt the side oscillating plate of compound type at low range, aspect acoustic characteristic, do not have too big-difference, but more to high range, acoustic characteristic of the present invention is compared existing oscillating plate, its sound pressure level height and rate of total harmonics are minimum.
Figure 12 and Figure 13 are the figure of the sound equipment conversion equipment of expression the of the present invention the 7th and the 8th embodiment with oscillating plate.
The sound equipment conversion equipment of the of the present invention the 7th and the 8th embodiment is used oscillating plate; It comprises vibration section, side 200, and it is formed with the circular top part 230 of closed figures shapes
such as being circular or ring-type on the whole; And central vibration section 100, it is positioned at the inboard of vibration section, side 200, and the difference of the 7th embodiment and the 8th embodiment is that the central vibration section 100 among the 7th embodiment is domed shape, and the central vibration section 100 among the 8th embodiment is flat shape.The sound equipment conversion equipment with oscillating plate 1000 through soft and have outstanding flexible thermoplastic polyurethane (TPU:202) and go up the welding heat plastic films (PE, PP etc.: 201) process, central vibration section 100 is through further carrying out UV moulding 103 after the welding heat plastic films 101 on thermoplastic polyurethane 102.UV shape layer 103 can form on the arbitrary face in 101 of 102 of the thermoplastic polyurethanes of central vibration section 100 and the thermoplastic films.UV moulding 103 be on central vibration section 100, smear the UV hardening resin after, irradiation UV line and hardening forms, and forms with the thickness about 20 μ m approximately, through improving the hardness of central vibration section 100, promotes in the oscillating plate/acoustic characteristic of high range.Owing on central vibration section 1100, form 103 layers of UV moulding; Vibration section, side 200 can be by material manufacturing soft and that elasticity is outstanding; And central vibration section 100 can be by hard and lightweight material manufacturing, thus the acoustic characteristic that promotes low range simultaneously with in/acoustic characteristic of high range.
Figure 14 and Figure 15 are the figure of the sound equipment conversion equipment of the expression nineth embodiment of the present invention with oscillating plate.
The sound equipment conversion equipment of the nineth embodiment of the present invention is with oscillating plate 1000, and it comprises vibration section, side 1200, and it is the shape of closed figures such as circular or ring-type on the whole; And, central vibration section 1100, it is positioned at the inboard of vibration section, side 1200, through soft and have outstanding flexible thermoplastic polyurethane (TPU:102) and go up welding heat plastic films (PE, PP etc.: 101) process.Central authorities vibration section 1100 comprises the coating 1400 that is used for improving hardness or sedimentary deposit 1400 (can be with the part of 1400 expressions coating or sedimentary deposit any one).The coating 1400 or the sedimentary deposit 1400 that on central vibration section 1100, form form on any one side in surface or the lower surface above that.And; Between central vibration section 110 and vibration section, side 1200, voice coil loudspeaker voice coil 300 is installed; Be used to vibrate central vibration section 110 and vibration section, side 1200; From the outside of part to vibration section, side 1200 that voice coil loudspeaker voice coil 300 is installed, that is, the conductive coating 1400 or the conductivity sedimentary deposit 1400 that extend to the outside of closed figures shape form with predetermined pattern.Conductive coating 1400 or conductivity sedimentary deposit 1400 must be formed at the one side that voice coil loudspeaker voice coil 300 is installed, and conductive coating 1400 or conductivity sedimentary deposit 1400 form and be connected to PCB substrate or pin by the PCB pattern, with current delivery to voice coil loudspeaker voice coil 300.And conductive coating 1400 perhaps conductivity sedimentary deposit 1400 forms with mutual different polarities, and the sedimentary deposit 1400 or the coating 1410,1420 that form with mutual different polarities keep breaking off and can't being electrically connected each other.
In addition; Pattern as far as conductive coating 1400 or sedimentary deposit 1400; Extend to 1200 outsides, vibration section, side and the part that forms from the part that voice coil loudspeaker voice coil 300 is installed; Its direction that is parallel to central vibration section 1100 and vibration section, side 1200 is longer than the direction perpendicular to central vibration section and vibration section, side 1100, relatively limits central vibration section 1100 and moves to horizontal direction, and only move with horizontal direction promotion vibration section, side 1100.The material that conductive coating 1400 or sedimentary deposit 1400 adopt has the material of thermoplastic polyurethane 102 and thermoplastic film 101 harder than the welding that constitutes vibration section 1000 or vibration section, side 1200, so conductive coating 1400 or sedimentary deposit 1400 itself play the effect of damping.
And vibration section 1000 also comprises the connecting portion 1300 that prolongs to the outside, and conductive coating 1400 or sedimentary deposit 1400 extend to connecting portion 1300.Connecting portion 1300 is engaged to PCB substrate or pin, through conductive coating 1400 or sedimentary deposit 1400 with current delivery to voice coil loudspeaker voice coil 300.
And then the coating 1400 or the sedimentary deposit 1400 that are deposited on central vibration section 1100 might not have conductivity, preferably adopt material in light weight and that hardness is high; And with coating 1400 or sedimentary deposit 1400 that the outside of side oscillating plate 1200 is connected with the part that voice coil loudspeaker voice coil 300 is installed, owing to need connecting circuit, therefore, must constitute by conductive material.
Figure 16 is the figure of the sound equipment conversion equipment of the expression tenth embodiment of the present invention with oscillating plate.The sound equipment conversion equipment of the tenth embodiment of the present invention is used oscillating plate, and as the seventh embodiment of the present invention, it comprises vibration section, side 200, and it is formed with the circular top part 230 of closed figures shapes such as being circular or ring-type on the whole; And, central vibration section 100, it is positioned at the inboard of vibration section, side 200 and is domed shape.The sound equipment conversion equipment is the material moulding by welding heat plastic films on thermoplastic polyurethane with oscillating plate; Central authorities vibration section 100 and vibration section, side 200 welding each other after on thermoplastic polyurethane 202 and thermoplastic film 201, forming respectively before the welding, perhaps welding heat plastic polyurethane 202 and thermoplastic film 201 in the process of the circular top part that forms central vibration section 100 and vibration section, side 200.After the moulding of the welding of completion thermoplastic polyurethane 202 and thermoplastic film 201 and central vibration section 100 and vibration section, side 200; Make the dome portion of central vibration section 100 and vibration section, side 200 downward, then the UV hardening bath is filled in the dome of central vibration section 100.Then, irradiation UV line, sclerosis UV hardening bath is formed for filling the inner UV shape layer 130 of dome of central vibration section 100.In this case, can only strengthen the rigidity of central vibration section 100,, also can promote the acoustic characteristic of medium-high frequency frequency band, help realizing the miniaturization of oscillating plate even if adopt thin oscillating plate.And,, adopt the complex vibration plate that only forms, the acoustic characteristic of the low range of lifting with thermoplastic polyurethane 202 and thermoplastic film 201 about vibration section, side 200.
Claims (20)
1. a sound equipment conversion equipment is used oscillating plate, it is characterized in that, comprising:
The side oscillating plate, the middle body of this side oscillating plate is breakthrough status;
Central authorities' oscillating plate covers the breakthrough part of side oscillating plate, and edge and side oscillating plate are overlapping; And,
Voice coil loudspeaker voice coil is installed on side oscillating plate and the overlapping part of central oscillating plate.
2. sound equipment conversion equipment according to claim 1 is used oscillating plate, it is characterized in that,
The side oscillating plate is processed through welding polyethylene or polypropylene on thermoplastic polyurethane.
3. sound equipment conversion equipment according to claim 1 is used oscillating plate, it is characterized in that,
The side oscillating plate forms the domed shape that central portion is higher than inner edge portion and outer edge.
4. sound equipment conversion equipment according to claim 1 is used oscillating plate, it is characterized in that,
Central authorities' oscillating plate is the domed shape of central portion protuberance.
5. sound equipment conversion equipment according to claim 1 is used oscillating plate, it is characterized in that,
Central authorities' oscillating plate possesses: the inboard facies posterior hepatis overlapping with the inner edge portion of side oscillating plate; The outside facies posterior hepatis overlapping with the outside portion of side oscillating plate; And the damping portion that connects inboard facies posterior hepatis and outside facies posterior hepatis.
6. sound equipment conversion equipment according to claim 5 is used oscillating plate, it is characterized in that,
Be combined with the electric wire that is connected on the voice coil loudspeaker voice coil in the damping portion.
7. sound equipment conversion equipment according to claim 5 is used oscillating plate, it is characterized in that,
On damping portion and outside facies posterior hepatis, be formed with conductive pattern.
8. sound equipment conversion equipment according to claim 7 is used oscillating plate, it is characterized in that,
Conductive pattern is the conductive pattern of F-PCB type.
9. sound equipment conversion equipment according to claim 7 is used oscillating plate, it is characterized in that,
Central authorities' oscillating plate also possesses the connecting portion that projects to the outside of outside facies posterior hepatis and be formed with conductive pattern.
10. use oscillating plate according to each described sound equipment conversion equipment in the claim 1 to 9, it is characterized in that,
Central authorities' oscillating plate is formed by mutual different material with the side oscillating plate.
11. sound equipment conversion equipment according to claim 10 is used oscillating plate, it is characterized in that,
Central authorities' oscillating plate comprises the UV shape layer.
12. a sound equipment conversion equipment is used oscillating plate, it is characterized in that, comprising:
The vibration section, side is formed with the protuberance of near-ring shape;
The central authorities vibration section is positioned at the inboard of vibration section, side; And,
Voice coil loudspeaker voice coil is installed between vibration section, side and the central vibration section,
Wherein, the vibration section, side is formed by mutual different material with central vibration section.
13. sound equipment conversion equipment according to claim 12 is used oscillating plate, it is characterized in that,
Oscillating plate is processed through welding polyethylene or polypropylene on thermoplastic polyurethane, and central vibration section also comprises independently material layers.
14. sound equipment conversion equipment according to claim 13 is used oscillating plate, it is characterized in that,
The central authorities vibration section comprises any in sedimentary deposit independently or the coating.
15. sound equipment conversion equipment according to claim 12 is used oscillating plate, it is characterized in that,
The central authorities vibration section comprises the UV shape layer.
16. sound equipment conversion equipment according to claim 12 is used oscillating plate, it is characterized in that,
The outside and voice coil loudspeaker voice coil in the vibration section, side are provided with the part that portion is connected with the outside, vibration section, side, and pattern is formed with conductive coating or sedimentary deposit according to the rules.
17. sound equipment conversion equipment according to claim 16 is used oscillating plate, it is characterized in that,
Oscillating plate also comprises connecting portion, and this connecting portion prolongs in the side direction outside of oscillating plate,
And the conductive coating or the sedimentary deposit that form on the part outside the connection voice coil loudspeaker voice coil is provided with portion and vibration section, side and the outside of vibration section, side extend to connecting portion.
18. sound equipment conversion equipment according to claim 17 is used oscillating plate, it is characterized in that,
Be formed on and connect voice coil loudspeaker voice coil conductive coating or sedimentary deposit on the part outside portion and the vibration section, side are set, form the direction that is parallel to central vibration section and vibration section, side and be longer than pattern perpendicular to the direction of central vibration section and vibration section, side.
19. sound equipment conversion equipment according to claim 12 is used oscillating plate, it is characterized in that,
The central authorities vibration section is domed shape, central vibration section under-filled curing agent is arranged.
20. sound equipment conversion equipment according to claim 19 is used oscillating plate, it is characterized in that,
Curing agent is the UV curing agent.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0116523 | 2009-11-30 | ||
| KR1020090116522A KR101142252B1 (en) | 2009-11-30 | 2009-11-30 | Diaphragm for acoustic transducer |
| KR10-2009-0116522 | 2009-11-30 | ||
| KR1020090116523A KR101077875B1 (en) | 2009-11-30 | 2009-11-30 | Diaphragm for acoustic transducer |
| PCT/KR2010/008504 WO2011065795A2 (en) | 2009-11-30 | 2010-11-30 | Diaphragm for sound converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102640520A true CN102640520A (en) | 2012-08-15 |
| CN102640520B CN102640520B (en) | 2014-12-03 |
Family
ID=44067137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080053296.3A Expired - Fee Related CN102640520B (en) | 2009-11-30 | 2010-11-30 | Diaphragm for sound converter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102640520B (en) |
| WO (1) | WO2011065795A2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180016A1 (en) * | 2013-05-08 | 2014-11-13 | 歌尔声学股份有限公司 | Tablet woofer |
| CN107534822A (en) * | 2015-04-15 | 2018-01-02 | 奥音科技（北京）有限公司 | The rimless audio-frequency transducer for Mobile solution including optional support coil line and lead |
| CN109218941A (en) * | 2018-09-21 | 2019-01-15 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN109246561A (en) * | 2018-09-21 | 2019-01-18 | 歌尔股份有限公司 | Sounding device and electronic equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101439915B1 (en) * | 2013-06-03 | 2014-09-15 | 주식회사 이엠텍 | Slim width microspeaker |
| CN106101963A (en) * | 2016-08-23 | 2016-11-09 | 深圳市音沃仕科技有限公司 | A kind of speaker |
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| CN1502214A (en) * | 2001-07-19 | 2004-06-02 | �ʼҷ����ֵ�������˾ | Electroacoustic transducer comprising a membrane with an improved pleats area |
| KR20050111240A (en) * | 2004-05-21 | 2005-11-24 | 부전전자부품 주식회사 | Diaphragm for speaker |
| KR20070102335A (en) * | 2006-04-13 | 2007-10-18 | 주식회사 이엠텍 | Structure of rib type diaphragm and high quality and high power microspeaker |
| WO2008030026A1 (en) * | 2006-09-04 | 2008-03-13 | Em-Tech. Co., Ltd. | Diaphragm for sound converter and sound converter |
| CN201204688Y (en) * | 2008-02-29 | 2009-03-04 | 瑞声声学科技(常州)有限公司 | Compound diaphragm |
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| US7483545B2 (en) * | 2004-07-07 | 2009-01-27 | Tadashi Nagaoka | Acoustic diaphragm |
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- 2010-11-30 WO PCT/KR2010/008504 patent/WO2011065795A2/en active Application Filing
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| CN1502214A (en) * | 2001-07-19 | 2004-06-02 | �ʼҷ����ֵ�������˾ | Electroacoustic transducer comprising a membrane with an improved pleats area |
| KR20050111240A (en) * | 2004-05-21 | 2005-11-24 | 부전전자부품 주식회사 | Diaphragm for speaker |
| KR20070102335A (en) * | 2006-04-13 | 2007-10-18 | 주식회사 이엠텍 | Structure of rib type diaphragm and high quality and high power microspeaker |
| WO2008030026A1 (en) * | 2006-09-04 | 2008-03-13 | Em-Tech. Co., Ltd. | Diaphragm for sound converter and sound converter |
| CN201204688Y (en) * | 2008-02-29 | 2009-03-04 | 瑞声声学科技(常州)有限公司 | Compound diaphragm |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180016A1 (en) * | 2013-05-08 | 2014-11-13 | 歌尔声学股份有限公司 | Tablet woofer |
| US9648424B2 (en) | 2013-05-08 | 2017-05-09 | Goertek Inc. | Tablet woofer |
| CN107534822A (en) * | 2015-04-15 | 2018-01-02 | 奥音科技（北京）有限公司 | The rimless audio-frequency transducer for Mobile solution including optional support coil line and lead |
| CN107534822B (en) * | 2015-04-15 | 2019-11-19 | 奥音科技（北京）有限公司 | Audio-frequency transducer |
| CN109218941A (en) * | 2018-09-21 | 2019-01-15 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN109246561A (en) * | 2018-09-21 | 2019-01-18 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN109246561B (en) * | 2018-09-21 | 2020-01-14 | 歌尔股份有限公司 | Sound generating device and electronic equipment |
| CN109218941B (en) * | 2018-09-21 | 2020-07-24 | 歌尔股份有限公司 | Sound generating device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011065795A2 (en) | 2011-06-03 |
| CN102640520B (en) | 2014-12-03 |
| WO2011065795A3 (en) | 2011-11-03 |
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