CN109362003A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN109362003A CN109362003A CN201811566291.5A CN201811566291A CN109362003A CN 109362003 A CN109362003 A CN 109362003A CN 201811566291 A CN201811566291 A CN 201811566291A CN 109362003 A CN109362003 A CN 109362003A
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- Prior art keywords
- voice coil
- loudspeaker
- leads
- lead
- interior
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- 230000000712 assembly Effects 0.000 claims abstract description 43
- 238000000429 assembly Methods 0.000 claims abstract description 43
- 238000007514 turning Methods 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 230000010358 mechanical oscillation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Classifications
-
- 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
- H04R9/041—Centering
-
- 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
-
- 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
- H04R9/06—Loudspeakers
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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
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention discloses a kind of loudspeaker, including vibrational system, and vibrational system includes vibrating diaphragm and Voice coil assemblies, which is characterized in that Voice coil assemblies include: the first voice coil, including the first noumenon and two first leads, and the first noumenon has the first end far from first lead；Second voice coil, including the second ontology and two second leads, the second ontology have the second end far from the second lead；First voice coil is connected with the second voice coil, and first end fits in the second end.Loudspeaker of the present invention can realize the correction to Voice coil assemblies position, so that vibration of the Voice coil assemblies in magnetic field is more stable, to keep vibration vibration of membrane also more stable, effectively improve the whole acoustical behavior of loudspeaker.In addition, the first end of the separate first lead of the first voice coil is connected with the second end far from the second lead of the second voice coil, the bonding strength of the first voice coil and the second voice coil can be improved, to improve the stability of Voice coil assemblies entirety.
Description
Technical field
The present invention relates to acoustic-electric apparatus field, in particular to a kind of loudspeaker.
Background technique
Minimized electro-acoustic device is widely used in the portable electronic devices such as mobile phone, laptop, hearing aid.With these
The fast development of portable electronic device, people are also higher and higher to the requirement for being applied to Minimized electro-acoustic device therein.Voice coil
As the moving part of mini-sound device, when alternation tone currents passes through voice coil, voice coil, which is generated, to be changed and changes with tone currents
Magnetic field, the effect that the magnetic field of the magnetic circuit system of changing magnetic field and Minimized electro-acoustic device is attracted or repelled leads to voice coil
Mechanical oscillation are generated to drive the diaphragm oscillations of Minimized electro-acoustic device, diaphragm oscillations push air repeatedly and make a sound, can
See that voice coil affects the performance of entire Minimized electro-acoustic device.Traditional voice coil is usually single integrated molding, ideally sound
Circle should be vibrated repeatedly in predeterminated position, but in actual operation, voice coil can deviate default setting in vibration processes, deviate
Cause to change by the magnetic field strength of voice coil after predeterminated position, it is unstable so as to cause voice coil vibrations, and then make vibrating diaphragm
Vibration is also unstable, influences the acoustical behavior of electro-acoustic element entirety.
Summary of the invention
The main object of the present invention is to propose a kind of loudspeaker, it is intended to solve how to improve the technology of loudspeaker acoustical behavior
Problem.
To achieve the above object, Voice coil assemblies proposed by the present invention, including vibrational system, the vibrational system include vibrating diaphragm
And Voice coil assemblies, the Voice coil assemblies include:
First voice coil, including the first noumenon and two first leads, the first noumenon have far from the first lead
First end；
Second voice coil, including the second ontology and two second leads, second ontology have far from second lead
The second end；First voice coil is connected with the second voice coil, and the first end fits in the second end.
Preferably, first voice coil is Nian Jie by glue with the second voice coil.
Preferably, first voice coil and the second voice coil are formed using the coiling of enamel-cover wire rod, the surface of the enamel-cover wire rod
Coated with tack paint, first voice coil is bonded in second voice coil by the tack paint on neighbouring enamel-cover wire rod
Together.
Preferably, the winding number of plies of first voice coil radially is identical as second voice coil.
Preferably, the internal diameter and outer diameter of first voice coil and second voice coil are all the same；And/or first sound
It encloses identical as the number of turns of second voice coil.
Preferably, the first noumenon and second ontology are rectangular ring structure, the first noumenon and described the
Two ontologies have two opposite the first turnings and two opposite the second turnings；
Two first leads are drawn from two first corner locations respectively, two second leads respectively from
Two second corner locations are drawn.
Preferably, two first leads and two second leads according to clockwise direction fair line or according to
Counter clockwise direction fair line.
Preferably, the loudspeaker further includes frame, and the frame has accommodating cavity, and the Voice coil assemblies are placed in described
Accommodating cavity, the frame are equipped with two the first conductive parts for be electrically connected with two first leads, and be used for
Two the second conductive parts of two the second lead electrical connections.
Preferably, the vibrational system further includes the centring disk being fixed together with the vibrating diaphragm；
The centring disk includes the interior fixed part connecting with the central part of the vibrating diaphragm, the edge part company with the vibrating diaphragm
The outer fixing portion connect and the cantilever being connected between the interior fixed part and the outer fixing portion；
The interior fixed part is equipped with interior pad, and the outer fixing portion is equipped with outer pad, two first leads and
Two second leads are electrically connected with the interior pad.
Preferably, it is set on the interior fixed part there are four interior pad, the outer fixing portion is equipped with and four interior pads one
Four outer pads of one corresponding electrical connection, two first leads and two second leads respectively with four interior welderings
Disk electrical connection.
Preferably, first voice coil and second voice coil are connected in series.
Loudspeaker of the present invention in the first voice coil and the second voice coil of split settings by that will be connected, so that in Voice coil assemblies
During work, the first voice coil and the second voice coil pass through the first voice coil and second due to the position difference in magnetic field
The magnetic induction intensity of voice coil is also different, so that the induced electromotive force that the first voice coil and the second voice coil generate is also different, passes through detection
Phase of first voice coil with the second voice coil in magnetic field can be calculated in the voltage difference of first voice coil and the second voice coil junction in real time
To position, the i.e. whole vibration position in magnetic field of Voice coil assemblies.If Voice coil assemblies deviate predeterminated position in vibration processes,
The position of first voice coil and the second voice coil can change, and pass through the magnetic induction intensity of the first voice coil and the second voice coil at this time
It can change, so that the induced electromotive force that the first voice coil and the second voice coil generate can also change, i.e. the first voice coil and the
The voltage difference of two voice coil junctions changes, by detecting that the variation of voltage difference can obtain the offset of Voice coil assemblies entirety,
So as to make Voice coil assemblies return to predeterminated position in such a way that external input compensates electric current, Voice coil assemblies position is rectified in realization
Just, so that vibration of the Voice coil assemblies in magnetic field is more stable, to keep vibration vibration of membrane also more stable, loudspeaking is effectively improved
The whole acoustical behavior of device.In addition, the first end of the separate first lead of the first voice coil draws with separate the second of the second voice coil
The second end of line is connected, it is possible to increase the reliability surplus that the first voice coil is connect with the second voice coil, to improve the first voice coil
With the bonding strength of the second voice coil, to improve the stability of Voice coil assemblies entirety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the seperated schematic diagram of one embodiment of Voice coil assemblies in the present invention；
Fig. 2 is the Structure explosion diagram of one embodiment of loudspeaker of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title | Label | Title |
| 10 | First voice coil | 11 | The first noumenon | 12 | First lead |
| 13 | First end | 20 | Second voice coil | 21 | Second ontology |
| 22 | Second lead | 23 | The second end | 72 | Side magnet |
| 50 | Reinforcement part | 60 | Centring disk | 30 | Frame |
| 80 | Center magnetic conductive board | 71 | Centring magnet | 40 | Vibrating diaphragm |
| 70 | Conductive magnetic yoke |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the meaning of the "and/or" occurred in full text is, including three schemes arranged side by side, by " A and/or B for ", including A
The scheme that scheme or B scheme or A and B meet simultaneously.In addition, the technical solution between each embodiment can be combined with each other,
It but must be based on can be realized by those of ordinary skill in the art, when conflicting or nothing occurs in the combination of technical solution
Method realize when will be understood that the combination of this technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of loudspeaker.
In embodiments of the present invention, as depicted in figs. 1 and 2, which includes vibrational system, and the vibrational system includes
Vibrating diaphragm 40 and Voice coil assemblies, the Voice coil assemblies include:
First voice coil 10, including the first noumenon 11 and two first leads 12, the first noumenon 11 have neighbouring described
The first end 13 of first lead 12；
Second voice coil 20, including the second ontology 21 and two second leads 22, second ontology 21 have neighbouring described
The second end 23 of second lead 22；First voice coil 10 is connected with the second voice coil 20, and the first end 13 is bonded
In the second end 23.
In the present embodiment, loudspeaker generally includes frame 30, vibrational system and magnetic circuit system, wherein frame 30 encloses
Accommodating cavity is formed, magnetic circuit system and vibrational system are set to accommodating cavity, and magnetic circuit system includes conductive magnetic yoke 70 and is mounted on magnetic conduction
Centring magnet 71 and side magnet 72 on yoke 70, further include the center magnetic conductive board 80 being set on centring magnet 71 and be set to side magnetic
Side magnetic conductive board on iron 72, wherein side magnetic conductive board is molded in the present embodiment in frame 30；Centring magnet 71, center magnetic conduction
Plate 80 and while magnet 72, while magnetic conductive board between form flux gap, vibrational system includes vibrating diaphragm 40 and Voice coil assemblies, Voice coil assemblies
It is located on flux gap, vibrating diaphragm 40 is connected to one end of Voice coil assemblies.Vibrational system can also include for vibrating diaphragm 40 and sound
Reinforcement part 50 can be also arranged in the centring disk 60 that coil assembly plays a supportive role, the other side of vibrating diaphragm 40, to adjust whole acoustics
Performance.In the course of work of loudspeaker, magnetic field is generated in flux gap, Voice coil assemblies are powered, and the Voice coil assemblies of energization are in magnetic
The effect by Ampere force is understood in and generates vibration, and the Voice coil assemblies of vibration will drive vibrating diaphragm 40 and vibrate together, to make vibrating diaphragm
40 instigate air sounding.Voice coil assemblies are usually formed by conductive metal wire coiling, after voice coil coiling molding, it will usually be formed cyclic annular
Ontology and be connected to the lead in body peripheral face, the one end of the usual adjacent body of lead.
It should be noted that first end 13 refers to neighbouring in the axial upper end walls of the first noumenon 11 in the present embodiment
One end of two first leads 12, first end 13 can be in planar, can also concave-convex surface；The definition and first end of the second end 23
Portion 13 is corresponding, and only need to meet first end 13 may connect to the second end 23.Vibrating diaphragm 40 be connected to the first voice coil 10 or
The one end of second voice coil 20 not connecting with another one, for example, the first voice coil 10 also have far from two first leads
12 third end, vibrating diaphragm 40 may connect to third end.
Loudspeaker of the present invention in the first voice coil 10 and the second voice coil 20 of split settings by that will be connected in series, so that in sound
During coil assembly works, the first voice coil 10 and the second voice coil 20 pass through first due to the position difference in magnetic field
The magnetic induction intensity of voice coil 10 and the second voice coil 20 is also different, thus the induction electric that the first voice coil 10 and the second voice coil 20 generate
Gesture is also different, and by detecting the voltage difference of the first voice coil 10 and 20 junction of the second voice coil, the first voice coil can be calculated in real time
10 and second relative position of the voice coil 20 in magnetic field, the i.e. whole vibration position in magnetic field of Voice coil assemblies.If Voice coil assemblies
Deviate predeterminated position in vibration processes, then the position of the first voice coil 10 and the second voice coil 20 can change, and pass through at this time
The magnetic induction intensity of first voice coil 10 and the second voice coil 20 can also change, so that the first voice coil 10 and the second voice coil 20 generate
Induced electromotive force can also change, i.e. the first voice coil 10 and the voltage difference of 20 junction of the second voice coil change, and pass through
Detect that the variation of voltage difference can obtain the offset of Voice coil assemblies entirety, so as to make in such a way that external input compensates electric current
Voice coil assemblies return to predeterminated position, the correction to Voice coil assemblies position are realized, so that vibration of the Voice coil assemblies in magnetic field is more
Stablize, to keep the vibration of vibrating diaphragm 40 also more stable, effectively improves the whole acoustical behavior of loudspeaker.In addition, the first voice coil
The first end 13 of 10 separate first lead 12 is connected with the second end 23 far from the second lead 22 of the second voice coil 20,
The reliability surplus that the first voice coil 10 is connect with the second voice coil 20 can be increased, to improve the first voice coil 10 and the second voice coil 20
Bonding strength, to improve the stability of Voice coil assemblies entirety.
Further, first voice coil 10 is Nian Jie by glue with the second voice coil 20.In the present embodiment, by first end
Portion 13 is be bonded with glue with the second end 23, realizes the firm of the first voice coil 10 and the second voice coil 20 by simply and easily mode
Connection.It is understood that glue would not influence the electric current flowing between the first voice coil 10 and the second voice coil 20, to realize first
The electrical series of voice coil 10 and the second voice coil 20.
Further, first voice coil 10 and the second voice coil 20 are formed using the coiling of enamel-cover wire rod, the enamel-cover wire rod
Surface be coated with tack paint, first voice coil 10 passes through the self-adhesion on neighbouring enamel-cover wire rod with second voice coil 20
Property paint bonds together.In the present embodiment, the enamel-cover wire rod itself coated with tack paint has certain viscosity, by enameled wire
Material around combinate form at the junction of the first voice coil 10 and the second voice coil 20 can be connected with each other under the action of enameled wire stickiness itself,
To realize the connection of the first voice coil 10 and the second voice coil 20.
Further, the first end 13 is formed with embedded structure, the second end 23 be formed with it is described chimeric
The fit structure of physical fit.In the present embodiment, embedded structure, which can be, is additionally connected to first end 13, be also possible to
First voice coil 10 is integrally formed；The generation type of fit structure is identical as embedded structure.Pass through embedded structure and fit structure
Mutually interlocking, can increase the contact area of first end 13 Yu the second end 23, while also can increase first end 13 and second
The direction that end 23 limits mutually makes the limit mutually in a plurality of directions of first end 13 and the second end 23, improves first
The bonding strength of voice coil 10 and the second voice coil 20, to improve stability of the Voice coil assemblies in vibration processes.
Further, the first end 13 is formed with the first protrusion and the first recess of radially adjacent setting, described
The second end 23 is formed with corresponding second protrusion and the second recess.In the present embodiment, the number of the first protrusion and the second recess
Amount can be multiple and be arranged along the spaced radial of first end 13 that the quantity of second protrusion and the second recess can also be multiple and edge
The spaced radial of the second end 23 is arranged, and the first protrusion cooperates with the second recess, and the second protrusion cooperates with the first recess, to increase
The contact area of first end 13 and the second end 23, thus the bonding strength of enhancing the first voice coil 10 and the second voice coil 20.
Further, described as shown in Fig. 2, the first noumenon 11 and second ontology 21 are rectangular ring structure
The first noumenon 11 and second ontology 21 have two opposite the first turnings and two opposite the second turnings；Described in two
First lead 12 is drawn from two first corner locations respectively, and two second leads 22 are respectively from two described second
Corner location is drawn.In the present embodiment, preferably in tool, there are four the rectangles of curved corners to be arranged for the first noumenon 11, four arcs
It include two opposite first turnings in turning, two first leads 12 are drawn from two first corner locations respectively, can be reduced the first sound
Influence of two first leads 12 connecting in 10 vibration processes with other structures to the first voice coil 10 is enclosed, keeps the first voice coil 10 whole
Uniform force reduces waving for the first voice coil 10.The shape of second ontology 21 is corresponding with the first noumenon 11, and two second draw
Line 22 is drawn from two second corner locations respectively.By the way that first lead 12 is drawn from two first corner locations of the first noumenon 11
Out, while by the second lead 22 from two second corner locations of the second ontology 21 it draws, it is vibrated Voice coil assemblies can be effectively reduced
The influence of first lead 12 and the second lead 22 to Voice coil assemblies in journey improves the stability of Voice coil assemblies vibration, to mention
The high acoustical behavior of loudspeaker entirety.
Further, two first leads 12 and two second leads 22 according to clockwise direction fair line or
According to counter clockwise direction fair line.In the present embodiment, two first leads 12 are identical as the fair line direction of two second leads 22, energy
It is convenient that coiling is synchronized to the first voice coil 10 and the second voice coil 20 in process of production, production efficiency is improved, while making to vibrate
The Wiring structure of system more normative and reasonable.
Further, the loudspeaker further includes frame 30, and the frame 30 has accommodating cavity, the Voice coil assemblies accommodating
In the accommodating cavity, the frame 30 is equipped with two the first conductive parts for being electrically connected with two first leads 12,
And two the second conductive parts for being electrically connected with two second leads 22.Two first conductive parts are for realizing to first
The energization of voice coil 10, two second conductive parts realize the first sound for realizing the energization to the second voice coil 20, then by outside line
Circle 10 is electrically connected with the second voice coil 20.
Further, as shown in Fig. 2, the vibrational system further includes the centring disk being fixed together with the vibrating diaphragm 40
60；The centring disk 60 includes the interior fixed part connecting with the central part of the vibrating diaphragm 40, the edge part with the vibrating diaphragm 40
The outer fixing portion of connection and the cantilever being connected between the interior fixed part and the outer fixing portion；It is set on the interior fixed part
Have an interior pad, the outer fixing portion is equipped with outer pad, two first leads 12 and two second leads 22 with
The interior pad electrical connection.
In the present embodiment, centring disk 60 is used to form vibrational system and flexibly support, and guarantees voice coil vertically without sending out
Raw skew is effectively prevented the polarization of vibrating diaphragm 40；Centring disk 60 is made by flexible circuit board in the present embodiment simultaneously, voice coil
The lead of component directly be electrically connected with the interior pad on centring disk 60 after drawing, and is not needed to hang and is set lead, therefore can be into one
Step avoids polarizing；Specifically, interior fixed part connect setting by cantilever feature integral with outer fixing portion, and interior pad is with outer pad by leading
The electrical connection of electric layer copper foil, outer pad with external circuit for being electrically connected, interior pad and two first leads 12 and two second leads 22
Electrical connection, to realize being electrically connected for Voice coil assemblies and external circuit.The inside of interior fixed part is arranged in interior pad, can reduce pair
The occupancy in inside loudspeakers space, so that loudspeaker overall structure is simpler compact.
Further, it is set on the interior fixed part there are four interior pad, the outer fixing portion is equipped with and four interior pads
Correspond four outer pads of electrical connection, two first leads 12 and two second leads 22 respectively with four institutes
State interior pad electrical connection.In the present embodiment, two first leads 12 and two second leads 22 are electrically connected with four interior pads respectively,
Four interior pads are electrically connected with four outer pads respectively, so as to make the company of each interior pad and first lead 12 and the second lead 22
It connects more stable, improves the stability of loudspeaker entirety.
Further, the winding number of plies of first voice coil 10 radially is identical as second voice coil 10.In this reality
It applies in example, the first voice coil 10 is identical as the winding number of plies of the second voice coil 20 radially, can make the first voice coil 10 and the second voice coil 20
Overall dimensions it is identical as shape, so as to reduce influence of the size to 20 potential difference of the first voice coil 10 and the second voice coil, reduce
Detection calculates the disturbing factor during the first voice coil 10 and the second voice coil 20, improves to the first voice coil 10 and the second voice coil 20
Set the accuracy of monitoring.
Further, the internal diameter and outer diameter of first voice coil 10 and second voice coil 20 are all the same；And/or it is described
First voice coil 10 is identical as the number of turns of second voice coil 20.In the present embodiment, the circle of the first voice coil 10 and the second voice coil 20
Number is identical, the overall dimensions of the first voice coil 10 and the second voice coil 20 can be made identical as shape, so as to reduce size to the first sound
Circle 10 and the influence of 20 potential difference of the second voice coil, reduce interference during detection the first voice coil 10 of calculating and the second voice coil 20 because
Element improves the accuracy to 20 position monitoring of the first voice coil 10 and the second voice coil.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (11)
1. a kind of loudspeaker, including vibrational system, the vibrational system includes vibrating diaphragm and Voice coil assemblies, which is characterized in that described
Voice coil assemblies include:
First voice coil, including the first noumenon and two first leads, the first noumenon have the far from the first lead
One end；
Second voice coil, including the second ontology and two second leads, second ontology have the far from second lead
Two ends；First voice coil is connected with the second voice coil, and the first end fits in the second end.
2. loudspeaker as described in claim 1, which is characterized in that first voice coil is Nian Jie by glue with the second voice coil.
3. loudspeaker as described in claim 1, which is characterized in that first voice coil and the second voice coil using enamel-cover wire rod around
System is formed, and the surface of the enamel-cover wire rod is coated with tack paint, and first voice coil and second voice coil pass through neighbouring
Tack paint on enamel-cover wire rod bonds together.
4. loudspeaker as described in claim 1, which is characterized in that the winding number of plies of first voice coil radially and described the
Two voice coils it is identical.
5. loudspeaker as described in claim 1, which is characterized in that the internal diameter of first voice coil and second voice coil and outside
Diameter is all the same；And/or
First voice coil is identical as the number of turns of second voice coil.
6. loudspeaker as described in claim 1, which is characterized in that the first noumenon and second ontology are rectangular ring
Structure, the first noumenon and second ontology have two opposite the first turnings and two opposite the second turnings；
Two first leads are drawn from two first corner locations respectively, and two second leads are respectively from two
Second corner location is drawn.
7. loudspeaker as claimed in claim 6, which is characterized in that two first leads and two second leads are equal
According to clockwise direction fair line or according to counter clockwise direction fair line.
8. loudspeaker as claimed in claim 7, which is characterized in that the loudspeaker further includes frame, and the frame, which has, to be held
Chamber is set, the Voice coil assemblies are placed in the accommodating cavity, and the frame is equipped with for being electrically connected with two first leads
Two the first conductive parts, and two the second conductive parts for being electrically connected with two second leads.
9. loudspeaker as described in claim 1, which is characterized in that the vibrational system further includes being fixed on one with the vibrating diaphragm
The centring disk risen；
The centring disk includes the interior fixed part connecting with the central part of the vibrating diaphragm, connect with the edge part of the vibrating diaphragm
Outer fixing portion and the cantilever being connected between the interior fixed part and the outer fixing portion；
The interior fixed part is equipped with interior pad, and the outer fixing portion is equipped with outer pad, two first leads and two
Second lead is electrically connected with the interior pad.
10. loudspeaker as claimed in claim 9, which is characterized in that interior pad there are four being set on the interior fixed part, it is described outer
Fixed part, which is equipped with, corresponds four outer pads being electrically connected with four interior pads, described in two first leads and two
Second lead is electrically connected with the described four interior pads respectively.
11. the loudspeaker as described in claims 1 to 10 any claim, which is characterized in that first voice coil and described
Second voice coil is connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811566291.5A CN109362003B (en) | 2018-12-20 | 2018-12-20 | Loudspeaker |
Applications Claiming Priority (1)
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| CN109362003B CN109362003B (en) | 2024-04-30 |
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| CN110149578A (en) * | 2019-05-09 | 2019-08-20 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110166905A (en) * | 2019-05-09 | 2019-08-23 | 瑞声光电科技(常州)有限公司 | The winding method of microphone device and its voice coil |
| CN110191402A (en) * | 2019-05-09 | 2019-08-30 | 瑞声光电科技(常州)有限公司 | Microphone device |
| WO2021134271A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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| CN209017298U (en) * | 2018-12-20 | 2019-06-21 | 歌尔科技有限公司 | Loudspeaker |
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| CN105144748A (en) * | 2013-04-26 | 2015-12-09 | 楼氏国际采购中心（马来西亚）私人有限公司 | Double coil speaker |
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| CN110149578A (en) * | 2019-05-09 | 2019-08-20 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110166905A (en) * | 2019-05-09 | 2019-08-23 | 瑞声光电科技(常州)有限公司 | The winding method of microphone device and its voice coil |
| CN110191402A (en) * | 2019-05-09 | 2019-08-30 | 瑞声光电科技(常州)有限公司 | Microphone device |
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| WO2021134271A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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| CN109362003B (en) | 2024-04-30 |
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