CN104661162A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
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- CN104661162A CN104661162A CN201510072878.0A CN201510072878A CN104661162A CN 104661162 A CN104661162 A CN 104661162A CN 201510072878 A CN201510072878 A CN 201510072878A CN 104661162 A CN104661162 A CN 104661162A
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- voice coil
- loudspeaker voice
- coil loudspeaker
- vibration component
- vibrating membrane
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a loudspeaker which comprises a support rack, a vibration component arranged on the support rack, a radial magnet and a PCB, wherein the vibration component comprises a vibration membrane and a voice coil taking the shape of a round disc; a globe-roof convex part is arranged in the center of the vibration membrane; the voice coil is adhered to the bottom end surface of the vibration membrane; the central line of the voice coil is overlapped with that of the vibration membrane in a lowest position close to the inner wall of the globe-roof convex part; the radial magnet is positioned below the vibration component; the PCB is electrically connected with the vibration component. The loudspeaker disclosed by the invention mainly consists of the support rack, the vibration component, the radial magnet and the PCB, and due to the round disc shaped voice coil structure of the vibration component, the overall height of the loudspeaker can be less than 4.2 mm, so that the purpose of thinning and minimizing the loudspeaker is achieved; in addition, after a layer of the round disc shaped voice coil is overlapped on the vibration membrane, the problem that the vibration membrane is deformed can be greatly alleviated in the vibration process, so that the phenomenon that a frequency response curve is not flat as vibration is partitioned is avoided.
Description
Technical field
The present invention relates to the technical field of electroacoustic transduction element, particularly relate to a kind of loud speaker.
Background technology
In modern sound electro-technical field, loud speaker is also known as loudspeaker, and it is important transducing head, is common in the electronic installations such as various communication apparatus, audio-visual devices.Inside loudspeakers is formed with uniform magnetic field, and the voice coil loudspeaker voice coil made by electric conducting material is suspended in the uniform magnetic field of loud speaker.Due to the effect of Loulun magnetism, when the signal that voice coil loudspeaker voice coil contains sound characteristic changes, voice coil loudspeaker voice coil there will be oscillation phenomenon, thus drives vibrating diaphragm to sound, and realizes transform electrical signals to become sound.
At present, coil-moving speaker primarily of bracing frame 20 ', be located at bracing frame 20 ' vibration component 10 ', be located at the magnet on bracing frame 20 ' and be located on bracing frame 20 ' pcb board composition, wherein, vibration component 10 ' involving vibrations film 11 ' and voice coil loudspeaker voice coil 12 ', vibrating membrane 11 ' and voice coil loudspeaker voice coil 12 ' are the setting of linear rows cloth, as shown in Figure 1 to Figure 3.Be specially, voice coil loudspeaker voice coil 12 ' is in a column structure, it is highly greater than 2.2mm, this voice coil loudspeaker voice coil 12 ' one end is attached on the bottom end face of vibrating membrane 11 ', and other one end of voice coil loudspeaker voice coil 12 ' protrudes from vibrating membrane 11 ', thus, bracing frame 20 ' needs to arrange for the accommodating magnetic gap of this voice coil loudspeaker voice coil 12 ', and such design, the height of bracing frame generally can be made to reach more than 5mm, this voice coil loudspeaker voice coil 12 ' just can be made to stretch in the magnetic gap of magnetic circuit.And such structure, the overall height of coil-moving speaker finally can be made to reach more than 7mm, be not only difficult to save material cost, and be difficult to make this loud speaker realize thin little microminiaturization.Simultaneously, because voice coil loudspeaker voice coil 12 ' is a column structure, when it is located on vibrating membrane 11 ', a certain circle position is only had to contact with vibrating membrane 11 ', and its contact area width is less than 1mm, and this kind of situation, when running into medium-high frequency vibration, easily make vibrating membrane 11 ' to occur each position vibration is asynchronous, that is the problem that diaphagras is serious.
Therefore, be necessary to provide a kind of technological means to address the aforementioned drawbacks.
Summary of the invention
The object of the invention is to the defect overcoming prior art, loud speaker is provided, to solve the problem that loud speaker overall height of the prior art is difficult to realize comparatively greatly thin little microminiaturization, meanwhile, the vibrating membrane also solving loud speaker of the prior art runs into when medium-high frequency is vibrated and easily occurs that each position vibrates nonsynchronous problem.
The present invention is achieved in that loud speaker, comprising:
The bracing frame arranged is installed for parts;
In order to vibrate sonorific vibration component, described vibration component is located on support frame as described above, and described vibration component comprises the voice coil loudspeaker voice coil of radial vibrating membrane and disc, the center position of described vibrating membrane is provided with the ball top protuberance of projection outwardly, the transverse width of described voice coil loudspeaker voice coil is greater than the longitudinally height of described voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil is attached on the bottom face of described vibrating membrane, and being close to its lowest position of the longitudinal direction of described ball top protuberance inwall, the center line of described voice coil loudspeaker voice coil overlaps with the center line of described vibrating membrane;
In order to produce the radial magnet of magnetic circuit, described radial magnet to be located on support frame as described above and to be positioned at the below of described vibration component; And
In order to control the pcb board of described vibration component work, described pcb board is located on support frame as described above, and described pcb board is electrically connected with described vibration component.
Particularly, described voice coil loudspeaker voice coil comprises at least one contact-making surface contacted with the bottom face of described vibrating membrane, and the bottom face of described contact-making surface and described vibrating membrane is arranged in coincideing.
Further, described voice coil loudspeaker voice coil is attached on the bottom face of described vibrating membrane by glue.
Particularly, the enamelled wire coiling that described voice coil loudspeaker voice coil is 0.05-0.06mm by diameter forms, and described voice coil loudspeaker voice coil is a circular ring structure, and the outside diameter of described voice coil loudspeaker voice coil is 21-22mm, and the interior circular diameter of described voice coil loudspeaker voice coil is 13-14mm.
Further, described voice coil loudspeaker voice coil is located on the bottom face of the described vibrating membrane outside the protuberance of described ball top.
Selectively, described voice coil loudspeaker voice coil is located in the protuberance interior sidewall surface of described ball top.
Particularly, support frame as described above comprises peviform support body and is located at the pillar of described peviform support body, and described radial magnet is sheathed on described pillar.
Preferably, support frame as described above also comprises the both sides, upper end being located at described peviform support body and installs the first installation step of setting for described vibration component and be located at second installation step of bottom side for described pcb board installation setting of described peviform support body, described vibration component is arranged on described first installation step, and described pcb board is arranged on described second installation step.
Further, described vibration component is equipped with the lead-in wire in order to be electrically connected with described pcb board, and described peviform support body is provided with the through wires hole worn for described lead-in wire, and described lead-in wire is connected to described pcb board through described through wires hole.
Preferably, described loud speaker also comprises the tuning structure regulating sound, and described tuning structure comprises the sound regulating hole be located on described peviform support body and to be located in described peviform support body and the adjustable sound paper be positioned on described sound regulating hole.
The technique effect of loud speaker of the present invention is: loud speaker main support frame of the present invention, vibration component, radial magnet and pcb board form, wherein, by the disc voice coil structure of vibration component, the overall height of loud speaker can be made to reach below 4.2mm, realize the thin little microminiaturization of loud speaker with this.Simultaneously, owing to superpose one deck disc voice coil loudspeaker voice coil on vibrating membrane after, the contact area between voice coil loudspeaker voice coil and vibrating membrane can be strengthened, be equivalent to increase vibrating membrane thickness, thus strengthen the rigidity of vibrating membrane, so, the problem of vibrating membrane distortion can be greatly reduced in vibration processes, solve the uneven phenomenon of frequency response curve because diaphagras causes thus, ensure that vibrating membrane runs into each position Vibration Synchronization when medium-high frequency is vibrated.In addition, loadspeaker structure of the present invention is simple, can make to produce tool and simplify, meanwhile, also without the need to the assembled fixture of precision, greatly reduce production cost, improve the competitiveness of product.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the vibration component of the loud speaker of prior art;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is the structural representation of the loud speaker of prior art;
Fig. 4 is the schematic diagram of the loud speaker of the embodiment of the present invention;
Fig. 5 be in Fig. 4 B-B to sectional view;
Fig. 6 is the structural representation of the vibration component of the loud speaker of the embodiment of the present invention;
Fig. 7 is the schematic diagram of the voice coil loudspeaker voice coil of the loud speaker of the embodiment of the present invention;
Fig. 8 is the schematic diagram of another angle of Fig. 7;
The schematic diagram of the voice coil loudspeaker voice coil shaping mould used by the voice coil loudspeaker voice coil of the loud speaker that Fig. 9 is the embodiment of the present invention;
Figure 10 is the schematic diagram of the radial magnet of the loud speaker of the embodiment of the present invention;
Figure 11 is the schematic diagram of another embodiment of the present invention, to show the setting position between voice coil loudspeaker voice coil and vibrating membrane.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
embodiment one:
Refer to Fig. 4 to Figure 10, below the loud speaker of the embodiment of the present invention is set forth.
The loud speaker 100 of the present embodiment, comprises bracing frame 10, vibration component 20, radial magnet 30 and pcb board 40, is described further book below to each parts of loud speaker 100:
Bracing frame 10 is arranged for installing for parts;
Vibration component 20 is produce sound in order to vibration, and it is located on bracing frame 10, and wherein, vibration component 20 comprises the voice coil loudspeaker voice coil 22 of radial vibrating membrane 21 and disc, and the center position of vibrating membrane 21 is provided with the ball top protuberance 211 of projection outwardly; And the transverse width of voice coil loudspeaker voice coil 22 is greater than the longitudinally height of voice coil loudspeaker voice coil 22, be generally, the transverse width of this voice coil loudspeaker voice coil 22 is more than 10 times of the longitudinally height of voice coil loudspeaker voice coil 22, in addition, this voice coil loudspeaker voice coil 22 is attached on the bottom face of vibrating membrane 21, and be close to the extreme lower position L place of the longitudinal direction of ball top protuberance 211 inwall, and the center line of voice coil loudspeaker voice coil 22 overlaps with the center line of vibrating membrane 21;
Radial magnet 30 is in order to produce magnetic circuit, and wherein, this radial magnet 30 is the magnet that the magnetic line of force is walked along radial direction, and this radial magnet 30 is located on bracing frame 10 and be positioned at the below of vibration component 20;
Pcb board 40 is for work in order to control vibration component 20, and wherein, pcb board 40 can be flexible PCB, rigid pcb board or flexible and rigid mixing pcb board; This pcb board 40 is located on bracing frame 10, and pcb board 40 is electrically connected with vibration component 20.
Wherein, this vibrating membrane 21 is plastic vibratory film, metal vibration film, wooden vibrating membrane, biological vibrating membrane or papery vibrating membrane, and plastic vibratory membrane material may be selected to be PET, PEN, PEI, PI, LCP, PEEK, PC, PPS or PAR; The material of metal vibration film may be selected to be aluminium alloy, titanium alloy or beryllium alloy.In addition, unlike material vibrating membrane has different modulus of elasticity, internal damping, Poisson's ratio, thickness, density etc., and these differences directly affect loudspeaker quality factor Q value, cause the different quality of loud speaker 100.High rigidity and elastomeric diaphragm, have better quality as transient state, sensitivity, frequency response etc.Thus, dissimilar vibrating membrane 21 can be selected according to actual needs;
The enamelled wire coiling that this voice coil loudspeaker voice coil 22 is 0.05-0.06mm by diameter forms, and preferably, the diameter of enamelled wire is 0.55mm.And optional common copper cash, OFC copper cash, copper-clad aluminum conductor or the aluminum steel of being chosen as of the most frequently used enamelled wire, be specially:
(1) common copper cash: skin effect principle, copper conductor center is only suitable for transmission medium and low frequency signal, and its surface is applicable to transmitting high-frequency signal, unequal during transmission, has different impacts so cause to tonequality.
(2) OFC copper cash: purity is higher, distortion reduces, and sound density is good, and the abundant sound of medium and low frequency is finer and smoother, and the sense of medium-high frequency strength becomes soft conjunction.
(3) copper-clad aluminum conductor: skin effect principle, the advantage of the abundant exquisiteness of the existing copper cash of copper cover aluminum medium and low frequency, has again the low high frequency characteristics of aluminum steel good, the feature that sound is beautiful, penetrating.
(4) aluminum steel: aluminum steel lighter weight, density ratio copper is little, and vibration efficiency is high, so high frequency is beautiful, thoroughly, but not resistance toly to listen.But aluminum steel intensity is weak, comparatively some difficulty of copper cash on the operation technique such as coiling and welding.
To sum up, the loud speaker 100 main support frame 10 of the present embodiment, vibration component 20, radial magnet 30 and pcb board 40 form, wherein, by the setting of the disc voice coil loudspeaker voice coil 22 of vibration component 20, the overall height of loud speaker 100 can be made to drop to below 4.2mm from more than the 7.0mm of prior art, realize the thin little microminiaturization of loud speaker 100 with this.Simultaneously, owing to superpose one deck disc voice coil loudspeaker voice coil 22 on vibrating membrane 21 after, the contact area between voice coil loudspeaker voice coil 22 and vibrating membrane 21 can be strengthened, be equivalent to increase vibrating membrane 21 thickness, thus strengthen the rigidity of vibrating membrane 21, so, the problem that vibrating membrane 21 is out of shape can be greatly reduced in vibration processes, solve the uneven phenomenon of frequency response curve because diaphagras causes thus, ensure that vibrating membrane 21 runs into each position Vibration Synchronization when medium-high frequency is vibrated.In addition, loud speaker 100 structure of the present embodiment is simple, can make to produce tool and simplify, meanwhile, also without the need to the assembled fixture of precision, greatly reduce production cost, improve the competitiveness of product.
Have again, adopt radial magnet 30,, magnetic gap width can be strengthened, ensure that vibrating membrane 21 is placed in whole uniform magnetic field together with voice coil loudspeaker voice coil 22, so, when voice coil loudspeaker voice coil 22 have signal by time and magnetic field generation effect, because voice coil loudspeaker voice coil 22 area is comparatively large, can realize promoting face by face, ensure vibrating membrane 21 most position uniform force and do Uniform Movement together, producing better sound.
Refer to Fig. 7 to Fig. 9, the voice coil loudspeaker voice coil 22 of the present embodiment comprises at least one contact-making surface 221 contacted with the bottom face of vibrating membrane, contact-making surface 221 is arranged in coincideing with the bottom face of vibrating membrane 21, make voice coil loudspeaker voice coil 22 and vibrating membrane 21 fit tightly with this, increase the contact area between voice coil loudspeaker voice coil 22 and vibrating membrane 21.Can arrange in coincideing with the bottom face of vibrating membrane 21 to the contact-making surface 221 of voice coil loudspeaker voice coil 22 is set to, preferably, be mainly by a voice coil loudspeaker voice coil shaping mould 200 in the present embodiment, particularly, the voice coil loudspeaker voice coil shaping counterdie 202 that this voice coil loudspeaker voice coil shaping mould 200 comprises voice coil loudspeaker voice coil shaping patrix 201 and mates with voice coil loudspeaker voice coil shaping patrix 201, this voice coil loudspeaker voice coil shaping patrix 201 is provided with and the contact-making surface 221 of voice coil loudspeaker voice coil 22 can be made to be pressed into the upper impression face 2011 that coincide corresponding to the bottom face of vibrating membrane 21, and voice coil loudspeaker voice coil shaping counterdie 202 be provided with can make the contact-making surface 221 of voice coil loudspeaker voice coil 22 be pressed into corresponding with the bottom face of vibrating membrane 21 coincide lower impression face 2021.
Thus, when carrying out shaping operation to voice coil loudspeaker voice coil 22, first the contact-making surface 221 of voice coil loudspeaker voice coil 22 is located on voice coil loudspeaker voice coil shaping patrix 201, and the contact-making surface 221 of voice coil loudspeaker voice coil 22 is pressed into arranges in fitting with the upper impression face 2011 of voice coil loudspeaker voice coil shaping patrix 201; Then, then voice coil loudspeaker voice coil shaping counterdie 202 is placed on the other end 222 relative to the contact-making surface 221 of voice coil loudspeaker voice coil 22, lasting for form with the shape enabling the contact-making surface 221 of voice coil loudspeaker voice coil 22 be pressed into.
Refer to Fig. 7 and Fig. 8, and composition graphs 5, for the ease of producing processing, the voice coil loudspeaker voice coil 22 of the present embodiment is attached at by glue on the bottom face of vibrating membrane 21, preferably, is located at by voice coil loudspeaker voice coil 22 on the bottom face of the vibrating membrane 21 outside ball top protuberance 211.Wherein, the voice coil loudspeaker voice coil 22 of the present embodiment is in a circular ring structure, and the outside diameter of voice coil loudspeaker voice coil 22 is 21-22mm, and preferably, the outside diameter of voice coil loudspeaker voice coil 22 is 21.5mm; And the interior circular diameter of voice coil loudspeaker voice coil 22 is 13-14mm, preferably, the interior circular diameter of voice coil loudspeaker voice coil 22 is 13.6mm, and the volume good fortune of voice coil loudspeaker voice coil 22 is 0.12mm, and resistance is 32 ohm.So, time on bottom face voice coil loudspeaker voice coil 22 being attached at vibrating membrane 21, first can apply glue in the interval of the diameter 13.6mm to diameter 21.5mm of vibrating membrane 21, and then the contact-making surface 221 of voice coil loudspeaker voice coil 22 is affixed on interval vibrating membrane 21 scribbling glue; Side by side, the center line in order to the center line with vibrating membrane that ensure voice coil loudspeaker voice coil overlaps and makes voice coil loudspeaker voice coil 22 smooth on vibrating membrane 21, can be placed on the other end 222 relative to the contact-making surface 221 of voice coil loudspeaker voice coil 22 by voice coil loudspeaker voice coil shaping patrix 202 again.
Further, be provided with glue in the outlet, two ends of voice coil loudspeaker voice coil 22, loose to prevent voice coil loudspeaker voice coil 22 from occurring.
Refer to Fig. 5, the bracing frame 10 of the present embodiment comprises peviform support body 11 and is located at the pillar 12 of peviform support body 11, radial magnet 30 is sheathed on pillar 12, particularly, radial magnet 30 is provided with the centre bore mated with pillar 12 in its center, thus, as long as this radial magnet 30 to be sheathed on the location that pillar 12 can ensure radial magnet 30 and fixing, simple and convenient.Preferably, for the ease of production and processing also further fixed radial magnet 30, this radial magnet 30 is sheathed on pillar 12 by glue.
Have again, bracing frame 10 also comprises the both sides, upper end being located at peviform support body 11 and installs the first installation step 13 arranged for vibration component 20, and the bottom side being located at peviform support body 11 installs the second installation step 14 arranged for pcb board 40, vibration component 20 is arranged on the first installation step 13, pcb board 40 is arranged on the second installation step 14, be specially, vibration component 20 is arranged on the first installation step 13 by glue, pcb board 40 is arranged on the second installation step 14 by glue, and the first installation step 13, the setting of the second installation step 14, not only be convenient to vibration component 20, the installation of pcb board 40 is arranged, and be conducive to vibration component 20, radial magnet 30 is independent of each other on bracing frame 10 mutually with pcb board 40 rational deployment.
In addition, the vibration component 20 of the present embodiment is equipped with the lead-in wire (not indicating in figure) in order to be electrically connected with pcb board 40, correspondingly, this peviform support body 11 is provided with for the through wires hole 15 worn that goes between, lead-in wire is connected to pcb board 40 through through wires hole 15, usually, and can by this wire bonds on pcb board 40, or, by solder(ing) paste just this wire bonds on pcb board 40.Preferably, in order to make this lead-in wire dustproof and waterproof, lead-in wire be coated with protecting glue in appearance.
Referring again to Fig. 5, the loud speaker 100 of the present embodiment also comprises the tuning structure 50 regulating sound, be specially, this tuning structure 50 comprises the sound regulating hole 51 be located on peviform support body 11 and to be located in peviform support body 11 and the adjustable sound paper 52 be positioned on sound regulating hole 51, wherein, this sound regulating hole 51 and through wires hole 15 are independent setting, are independent of each other during to make to arrange adjustable sound paper 52 on sound regulating hole 51 and/or when wearing lead-in wire on through wires hole 15; And the setting of adjustable sound paper 52, because adjustable sound paper 52 pairs of sound waves have damping action, therefore, Ke Dui Choke sound sharp wave, improve the effect that sound frequency characteristic has significant effective.
Below in conjunction with each graphic, the manufacture craft of the loud speaker 10 of the present embodiment is described further:
S100, preparation parts, purchase bracing frame 10, vibrating membrane 21, voice coil loudspeaker voice coil 22, magnet, pcb board 40 and voice coil loudspeaker voice coil shaping mould 200;
S200, group connect both voice coil loudspeaker voice coil 22 and vibrating membrane 21, first, are located on voice coil loudspeaker voice coil shaping patrix 201 by the contact-making surface 221 of voice coil loudspeaker voice coil 22, and are pressed into by the contact-making surface 221 of voice coil loudspeaker voice coil 22 and arrange in fitting with the upper impression face 2011 of voice coil loudspeaker voice coil shaping patrix 201; Next step, then voice coil loudspeaker voice coil shaping counterdie 202 is placed on the other end relative to the contact-making surface 221 of voice coil loudspeaker voice coil 22, lasting for form with the shape enabling the contact-making surface 221 of voice coil loudspeaker voice coil 22 be pressed into; Again then, apply glue in the interval of the diameter 13.6mm to diameter 21.5mm of vibrating membrane 21, and then the contact-making surface 221 of voice coil loudspeaker voice coil 22 is affixed on interval vibrating membrane 21 scribbling glue; Side by side, the center line in order to the center line with vibrating membrane that ensure voice coil loudspeaker voice coil overlaps and makes voice coil loudspeaker voice coil 22 smooth on vibrating membrane 21, can be placed on the other end 222 relative to the contact-making surface 221 of voice coil loudspeaker voice coil 22 by voice coil loudspeaker voice coil shaping patrix 202 again; Afterwards, be coated with glue in the outlet, two ends of voice coil loudspeaker voice coil 22, loose to prevent voice coil loudspeaker voice coil 22 from occurring;
The installation of S300, radial magnet 30 is arranged, and first carries out radial magnetizing to magnet, becomes radial magnet 30 to make this magnet; Then, this radial magnet 30 is sheathed on pillar 12 by glue;
The installation of S400, tuning structure 50 is arranged, as long as to be located at by adjustable sound paper 52 in peviform support body 11 and to be positioned on sound regulating hole 51;
The installation of S500, pcb board 40 is arranged, and is arranged on the second installation step 14 of bracing frame 10 by pcb board 40 by glue;
The installation of S600, vibration component 20 is arranged, and vibration component 20 is arranged on the first installation step 13 of bracing frame 10 by glue, and is positioned at the top of radial magnet 30; Then, make the lead-in wire on vibration component 20 be connected on pcb board 40 through through wires hole 15, and be coated with protecting glue in lead-in wire, to make this lead-in wire dustproof and waterproof.
embodiment two:
Refer to Figure 11, and composition graphs 4 to Figure 10, the execution mode of embodiment two and the execution mode of embodiment one similar, specifically referring to the execution mode of embodiment one, be not described further, and both differences can be herein:
In embodiment two, this voice coil loudspeaker voice coil 22 is located in protuberance 211 interior sidewall surface of ball top.And this kind of execution mode, also can ensure that the vibration component 20 be made up of voice coil loudspeaker voice coil 22 and vibrating membrane 21 can vibrate generation sound preferably preferably.
The foregoing is only preferred embodiment of the present invention, its structure is not limited to the above-mentioned shape enumerated, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. loud speaker, is characterized in that, comprising:
The bracing frame arranged is installed for parts;
In order to vibrate sonorific vibration component, described vibration component is located on support frame as described above, and described vibration component comprises the voice coil loudspeaker voice coil of radial vibrating membrane and disc, the center position of described vibrating membrane is provided with the ball top protuberance of projection outwardly, the transverse width of described voice coil loudspeaker voice coil is greater than the longitudinally height of described voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil is attached on the bottom face of described vibrating membrane, and being close to its lowest position of the longitudinal direction of described ball top protuberance inwall, the center line of described voice coil loudspeaker voice coil overlaps with the center line of described vibrating membrane;
In order to produce the radial magnet of magnetic circuit, described radial magnet to be located on support frame as described above and to be positioned at the below of described vibration component; And
In order to control the pcb board of described vibration component work, described pcb board is located on support frame as described above, and described pcb board is electrically connected with described vibration component.
2. loud speaker as claimed in claim 1, is characterized in that: described voice coil loudspeaker voice coil comprises at least one contact-making surface contacted with the bottom face of described vibrating membrane, and the bottom face of described contact-making surface and described vibrating membrane is arranged in coincideing.
3. loud speaker as claimed in claim 1, is characterized in that: described voice coil loudspeaker voice coil is attached on the bottom face of described vibrating membrane by glue.
4. loud speaker as claimed in claim 1, it is characterized in that: the enamelled wire coiling that described voice coil loudspeaker voice coil is 0.05-0.06mm by diameter forms, and described voice coil loudspeaker voice coil is a circular ring structure, the outside diameter of described voice coil loudspeaker voice coil is 21-22mm, and the interior circular diameter of described voice coil loudspeaker voice coil is 13-14mm.
5. loud speaker as claimed in claim 1, is characterized in that: described voice coil loudspeaker voice coil is located on the bottom face of the described vibrating membrane outside the protuberance of described ball top.
6. loud speaker as claimed in claim 1, is characterized in that: described voice coil loudspeaker voice coil is located in the protuberance interior sidewall surface of described ball top.
7. the loud speaker as described in any one of claim 1-6, is characterized in that: support frame as described above comprises peviform support body and is located at the pillar of described peviform support body, and described radial magnet is sheathed on described pillar.
8. loud speaker as claimed in claim 7, it is characterized in that: support frame as described above also comprises the both sides, upper end being located at described peviform support body and installs the first installation step of setting for described vibration component and be located at second installation step of bottom side for described pcb board installation setting of described peviform support body, described vibration component is arranged on described first installation step, and described pcb board is arranged on described second installation step.
9. loud speaker as claimed in claim 8, it is characterized in that: described vibration component is equipped with the lead-in wire in order to be electrically connected with described pcb board, described peviform support body is provided with the through wires hole worn for described lead-in wire, and described lead-in wire is connected to described pcb board through described through wires hole.
10. loud speaker as claimed in claim 7, it is characterized in that: described loud speaker also comprises regulating the tuning structure of sound, described tuning structure comprises the sound regulating hole be located on described peviform support body and to be located in described peviform support body and the adjustable sound paper be positioned on described sound regulating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510072878.0A CN104661162B (en) | 2015-02-10 | 2015-02-10 | Loud speaker |
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| CN201510072878.0A CN104661162B (en) | 2015-02-10 | 2015-02-10 | Loud speaker |
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| CN104661162A true CN104661162A (en) | 2015-05-27 |
| CN104661162B CN104661162B (en) | 2018-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864437A (en) * | 2017-10-20 | 2018-03-30 | Tcl通力电子（惠州）有限公司 | sound-producing device |
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| CN2653831Y (en) * | 2003-03-27 | 2004-11-03 | 广州惠威电器有限公司 | Novel belt type high frequency speaker |
| CN101039531A (en) * | 2006-03-15 | 2007-09-19 | 美蓓亚株式会社 | Speaker |
| CN101287303A (en) * | 2007-07-14 | 2008-10-15 | 爱国者科技公司 | Microspeaker |
| CN201360348Y (en) * | 2009-02-12 | 2009-12-09 | 杭州联声电子有限公司 | Flat film loudspeaker |
| CN102036148A (en) * | 2010-12-01 | 2011-04-27 | 东莞泉声电子有限公司 | Compound voice diaphragm group |
| CN202190400U (en) * | 2011-08-05 | 2012-04-11 | 中山市惠威电器有限公司 | Dissipative magnetic field type tweeter |
| CN204498365U (en) * | 2015-02-10 | 2015-07-22 | 深圳市冠旭电子有限公司 | Loud speaker |
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| CN1115486A (en) * | 1994-02-25 | 1996-01-24 | 星精密株式会社 | Electro-magnetic acoustic exchanger and method for winding coil of same |
| CN2653831Y (en) * | 2003-03-27 | 2004-11-03 | 广州惠威电器有限公司 | Novel belt type high frequency speaker |
| CN101039531A (en) * | 2006-03-15 | 2007-09-19 | 美蓓亚株式会社 | Speaker |
| CN101287303A (en) * | 2007-07-14 | 2008-10-15 | 爱国者科技公司 | Microspeaker |
| CN201360348Y (en) * | 2009-02-12 | 2009-12-09 | 杭州联声电子有限公司 | Flat film loudspeaker |
| CN102036148A (en) * | 2010-12-01 | 2011-04-27 | 东莞泉声电子有限公司 | Compound voice diaphragm group |
| CN202190400U (en) * | 2011-08-05 | 2012-04-11 | 中山市惠威电器有限公司 | Dissipative magnetic field type tweeter |
| CN204498365U (en) * | 2015-02-10 | 2015-07-22 | 深圳市冠旭电子有限公司 | Loud speaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864437A (en) * | 2017-10-20 | 2018-03-30 | Tcl通力电子（惠州）有限公司 | sound-producing device |
| CN107864437B (en) * | 2017-10-20 | 2021-12-03 | Tcl通力电子（惠州）有限公司 | Sound producing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104661162B (en) | 2018-09-25 |
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Address after: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Applicant after: SHENZHEN GRANDSUN ELECTRONIC Co.,Ltd. Address before: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Applicant before: SHENZHEN GRANDSUN ELECTRONIC Co.,Ltd. |
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Denomination of invention: speaker Effective date of registration: 20230220 Granted publication date: 20180925 Pledgee: Bank of Communications Limited Shenzhen Branch Pledgor: SHENZHEN GRANDSUN ELECTRONIC Co.,Ltd. Registration number: Y2023980033001 |
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Denomination of invention: speaker Granted publication date: 20180925 Pledgee: Bank of Communications Limited Shenzhen Branch Pledgor: SHENZHEN GRANDSUN ELECTRONIC Co.,Ltd. Registration number: Y2024980007841 |
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