CN206196043U - Moving -coil loudspeaker - Google Patents
Moving -coil loudspeaker Download PDFInfo
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- CN206196043U CN206196043U CN201621023867.XU CN201621023867U CN206196043U CN 206196043 U CN206196043 U CN 206196043U CN 201621023867 U CN201621023867 U CN 201621023867U CN 206196043 U CN206196043 U CN 206196043U
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- material layer
- conductive material
- coil
- vibrating diaphragm
- centring disk
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Abstract
The utility model discloses a moving -coil loudspeaker, moving -coil loudspeaker is from last protecgulum, vibration system and the magnetic circuit of including in proper order under to, vibration system includes that top -down combines vibrating diaphragm, centring disk and voice coil loudspeaker voice coil, and the vibrating diaphragm is including this somatic part of the vibrating diaphragm sympathetic vibration membrane reinforcement portion that has a ring together, wherein, vibrating diaphragm reinforcement portion includes a conductive material layer, and the centring disk includes the 2nd conductive material layer, magnetic circuit includes that top -down combines central magnificent department, centring magnet and magnetic yoke together, the protecgulum includes the 3rd conductive material layer, a conductive material layer and the 2nd conductive material layer constitute the electric capacity structure that be used for detect vibration displacement as a fixed electrode plate, central magnificent department, centring magnet, magnetic yoke as the 2nd fixed electrode plate as movable electrode plate, the 3rd conductive material layer. Utilize the utility model provides an electric capacity structure can monitor the vibration displacement of moving -coil loudspeaker product.
Description
Technical field
The utility model is related to electro-acoustic conversion device, more particularly to a kind of coil-moving speaker.
Background technology
In the prior art, loudspeaker is when working under low frequency condition, and the problem for limiting product peak power application is main
It is：
Under high-power, working in the voice coil loudspeaker voice coil under low frequency condition can produce excessive displacement, and excessive displacement can cause to lose
Very drastically raise, or even obvious voice coil loudspeaker voice coil occur and touched with the wiping of magnetic circuit system, this can cause irreversible damage to loudspeaker.
For this problem, current solution is to control speaker product of feeding using intelligent power output amplification control unit
Power, power is reduced when loudspeaker vibration displacement exceeds predetermined extent.This needs to know the vibration displacement of loudspeaker, existing skill
In art, have and use the voice coil loudspeaker voice coil and external circuit of loudspeaker as sensor, by the real-time measurement of loudspeaker model and right
The monitor in real time of input signal, realizes the monitoring to loudspeaker vibration displacement.This kind of solution this assumes that loudspeaker
There are a theoretical model, such as vibrating diaphragm stiffness factor Kms, vibrational system mass M ms, power electric drive factor Bl, damping coefficient
Rms, DC impedance Re, inductance Le etc..
But, still there is certain difference between theoretical loudspeaker model and actual product, cause loudspeaker displacement
The degree of accuracy of monitoring is limited, and this restrict the low frequency performance of loudspeaker, and under influenceing to work in low frequency condition, loudspeaker is high-power
The optimization of lower performance.
Utility model content
The purpose of this utility model is to provide a kind of coil-moving speaker, and the loudspeaker has and can be used to detect described dynamic
The capacitance structure of the vibration displacement of coil loundspeaker.
The utility model provides a kind of coil-moving speaker, and the coil-moving speaker includes preceding successively from top to bottom
Lid, vibrational system and magnetic circuit system；
The vibrational system includes the vibrating diaphragm, centring disk and the voice coil loudspeaker voice coil that are combined together from top to bottom, the vibrating diaphragm bag
Include the vibrating diaphragm body with ring and be incorporated into the vibrating diaphragm reinforcement part of the vibrating diaphragm body lower central position；Wherein, institute
Stating vibrating diaphragm reinforcement part includes the first conductive material layer, and the centring disk includes the second conductive material layer；
The magnetic circuit system includes the center washer, centring magnet and the conductive magnetic yoke that are combined together from top to bottom；
The protecgulum includes the 3rd conductive material layer；
First conductive material layer and the second conductive material layer as movable plate, the 3rd conductive material layer conduct
First fixed polar plate, the center washer, centring magnet, conductive magnetic yoke are constituted described dynamic for detecting as the second fixed polar plate
The capacitance structure of the vibration displacement of coil loundspeaker.
Alternatively, it is bonded and the conduction by electrically conducting adhesive between the vibrating diaphragm reinforcement part and the centring disk
Bonding agent turns on first conductive material layer and second conductive material layer；Or, the vibrating diaphragm reinforcement part and described fixed
It is bonded by insulating adhesive between heart branch piece.
Alternatively, the center washer, centring magnet and conductive magnetic yoke are bonded by conductive adhesive or insulating adhesive
It is fixed.
Alternatively, protecgulum pad is provided with the protecgulum, the protecgulum pad is provided with binding post, and described first consolidates
Fixed plate passes through the externally connected circuit of the binding post.
Alternatively, the conductive magnetic yoke is frame, and second fixed polar plate is externally connected by the bottom of the frame
Circuit.
Alternatively, the centring disk is FPC.
Alternatively, the movable plate is connected to external circuit by the centring disk.
Alternatively, engraved structure centered on the centring disk.
Alternatively, area of the area of first conductive material layer more than second conductive material layer.
Alternatively, the coil-moving speaker also includes accommodating the housing of the vibrational system and the magnetic circuit system, institute
The edge and the housing for stating centring disk are fixed.Coil-moving speaker of the present utility model, there is provided for detecting vibration system
The capacitance structure of system actual vibration displacement, reality can be carried out using the capacitance structure to the vibration displacement of coil-moving speaker product
When, accurate detection.
By referring to the drawings to the detailed description of exemplary embodiment of the present utility model, it is of the present utility model other
Feature and its advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiment of the present utility model, and
And together with its explanation for explaining principle of the present utility model.
Fig. 1 is the generalized section of the coil-moving speaker that the utility model first embodiment is provided.
Fig. 2 is the generalized section of the coil-moving speaker that the utility model second embodiment is provided.
Fig. 3 is the generalized section of the coil-moving speaker that the utility model 3rd embodiment is provided.
Fig. 4 is the generalized section of the coil-moving speaker that the utility model fourth embodiment is provided.
Specific embodiment
Describe various exemplary embodiments of the present utility model in detail now with reference to accompanying drawing.It should be noted that：Unless another
Illustrate outward, the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments are not limited
Make scope of the present utility model.
The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
New and its application or any limitation for using.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, technology, method and apparatus should be considered as a part for specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
Firstly, it is necessary to explanation, the art such as " lower section " of the present utility model, " from top to bottom ", " upper surface ", " lower surface "
Language merely illustrates the relative position relation between each part of loudspeaker, when being overturn to loudspeaker or being rotated, this phase
To position relationship it may happen that reverse or change.
Coil-moving speaker generally includes vibrational system, magnetic circuit system and accommodates the shell of vibrational system and magnetic circuit system
Body, vibrational system includes vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm side, and magnetic circuit system generally includes washer, magnet and magnetic conduction
Yoke, voice coil loudspeaker voice coil is suspended in the magnetic gap of magnetic circuit system formation.The vibrating diaphragm generally includes vibrating diaphragm body and is incorporated into vibrating diaphragm sheet
The vibrating diaphragm rib of body portion side, vibrating diaphragm body generally has ring, is provided with for being fixed with housing in the periphery of ring
Fixed part, vibrating diaphragm rib can be, for example, DOME.The magnetic circuit system can be two magnetic route structure, and the magnet includes setting
Centring magnet in the center of conductive magnetic yoke and the side magnet around centring magnet, the washer include and centring magnet pair
The center washer answered and the side washer around center washer, the centring magnet, the integrative-structure of center washer and the side magnetic
Magnetic gap is provided between iron, the integrative-structure of side washer, the voice coil loudspeaker voice coil is arranged in the magnetic gap.Or, the conductive magnetic yoke
Can be frame, centring magnet is provided with the center of frame bottom, center washer is correspondingly arranged on centring magnet, it is described
Magnetic gap is provided between centring magnet, the integrative-structure of center washer and frame, the voice coil loudspeaker voice coil is arranged in the magnetic gap.
The utility model devises the capacitance structure for detecting coil-moving speaker vibrational system actual vibration displacement, should
Electric capacity is constituted by movable plate and with the movable plate pole plate that is relatively fixed, wherein, movable plate is a part for vibrational system
Vibrated with vibrational system.When vibrational system is vibrated, the distance between movable plate and fixed polar plate produce change, so that
The capacitance of the electric capacity is caused to change, the capacitance for monitoring the electric capacity changes or monitor the electric current of the circuit being connected with the electric capacity
Change can calculate the actual vibration displacement of vibrational system.
<Embodiment one>
The structure of the coil-moving speaker that explanation the utility model first embodiment shown in Figure 1 is provided：
Coil-moving speaker includes vibrational system, the magnetic circuit system below vibrational system and accommodates the vibration
The housing of system and the magnetic circuit system.
The vibrational system includes the vibrating diaphragm, centring disk 13 and the voice coil loudspeaker voice coil 16 that are combined together from top to bottom.It is described to shake
Film includes vibrating diaphragm body 15 and the vibrating diaphragm reinforcement part 11 for being incorporated into the lower central position of vibrating diaphragm body 15 with ring.It is fixed
The center of heart branch piece 13 is engraved structure, and edge and the housing of centring disk 13 are fixed.Wherein, vibrating diaphragm reinforcement part 11 includes first
Conductive material layer, centring disk 13 includes the second conductive material layer, by conduction between vibrating diaphragm reinforcement part 11 and centring disk 13
Bonding agent 12 is bonded, and electrically conducting adhesive 12 conducting the first conductive material layer and the second conductive material layer.Preferably, vibrating diaphragm is mended
Strong portion 11 is overall can be made of an electrically conducting material, for example, vibrating diaphragm reinforcement part 11 is made up of metal material.
The magnetic circuit system includes the center washer 18, centring magnet 19 and the frame 17 that are combined together from top to bottom,
Bonded together by electrically conducting adhesive between three.
First conductive material layer and the second conductive material layer collectively as movable plate, center washer 18, centring magnet 19,
Frame 17 constitutes the capacitance structure of the vibration displacement for detecting the coil-moving speaker collectively as fixed polar plate.
Due to centring disk 13 be generally engraved structure, the area of the second conductive material layer can be smaller, if only by
Used as movable plate, then the capacitance of the capacitance structure for constituting can be very small for second conductive material layer, easily insensitive in detection.
So, in the present embodiment, vibrating diaphragm reinforcement part 11 has the first conductive material layer, and conducting first is connected by electrically conducting adhesive 12
Conductive material layer and the second conductive material layer, movable plate is collectively formed by the first conductive material layer and the second conductive material layer,
The area of movable plate is increased, so as to increase the capacitance of capacitance structure, the sensitivity of capacitance structure is improve.
When the voice coil loudspeaker voice coil 16 being powered in the presence of magnetic circuit system when vibrating, voice coil loudspeaker voice coil 16 drives vibrating diaphragm and centring disk 13 together
Vibration, so as to cause movable plate and the electric capacity of fixed polar plate composition to change, by the change numerical value that monitors the electric capacity just
The actual displacement of vibrational system can be calculated, it is also possible to which the curent change of the circuit that indirect monitoring is connected with the electric capacity is calculated
The actual displacement of vibrational system.Can be connected with the electric capacity using intelligent power output amplification control unit, to monitor the reality of vibrational system
Displacement simultaneously reduces the input power of coil-moving speaker when needed, and protection coil-moving speaker excessively distortion or will not be subject to
Physical damnification.
Because center washer 18, centring magnet 19, frame 17 are conductor, can be from the bottom extraction wire of frame 17
101 so that fixed polar plate can be by the externally connected circuit in the bottom of frame 17.Centring disk 13 is FPC, can
With from the edge extraction wire 102 of centring disk 13 so that movable plate is grounded or is connected to outside by centring disk 13
Circuit, and it is possible to capacitance detecting chips are arranged on the FPC.
In this embodiment, centring disk plays multiple action simultaneously, can reduce part needed for speaker product, from
And reduces cost, and reduce the space requirement of product design.Specifically, there is centring disk holding vibrational system to shake in itself
Dynamic component vibrates with one heart, reduces the effect of polarization, and then centring disk can be used in detection and shake as a part for movable plate
The vibration displacement of dynamic system, meanwhile, the electric signal of electric capacity can be fed back to external detection by centring disk as electric connection structure
System.
The present embodiment draws while capacitance sensor movable plate design requirement is met to loudspeaker acoustical property adjustments
Enter more adjustable item.Specifically, the sound of loudspeaker can be adjusted by selecting different materials for vibrating diaphragm reinforcement part
Learn performance, particularly high-frequency domain performance；Can also be raised one's voice to adjust by designing the size of the center openwork part of centring disk
The acoustical behavior of device.
In another embodiment, magnetic circuit system can also be foregoing two magnetic route structure, by closest in vibrational system
Heart washer, centring magnet and conductive magnetic yoke are used as fixed polar plate.
<Embodiment two>
The structure of the coil-moving speaker that explanation the utility model second embodiment shown in Figure 2 is provided：
Coil-moving speaker includes vibrational system, the magnetic circuit system below vibrational system and accommodates the vibration
The housing of system and the magnetic circuit system.
The vibrational system includes the vibrating diaphragm, centring disk 23 and the voice coil loudspeaker voice coil 26 that are combined together from top to bottom.It is described to shake
Film includes vibrating diaphragm body 25 and the vibrating diaphragm reinforcement part 21 for being incorporated into the lower central position of vibrating diaphragm body 25 with ring.It is fixed
The center of heart branch piece 23 is engraved structure, and edge and the housing of centring disk 23 are fixed.Wherein, vibrating diaphragm reinforcement part 21 includes first
Conductive material layer, centring disk 23 includes the second conductive material layer, by insulation between vibrating diaphragm reinforcement part 21 and centring disk 23
Bonding agent 22 bonds together.Preferably, vibrating diaphragm reinforcement part 21 is overall can be made of an electrically conducting material, for example, vibrating diaphragm reinforcement
Portion 21 is made up of metal material.
The magnetic circuit system includes the center washer 28, centring magnet 29 and the frame 27 that are combined together from top to bottom,
Bonded together by electrically conducting adhesive between three.
First conductive material layer and the second conductive material layer are used as movable plate, center washer 28, centring magnet 29, frame
27, as fixed polar plate, constitute the capacitance structure of the vibration displacement for detecting the coil-moving speaker.
Due to centring disk 23 be generally engraved structure, the area of the second conductive material layer can be smaller, if only by
Used as movable plate, then the capacitance of the capacitance structure for constituting can be very small for second conductive material layer, easily insensitive in detection.
So, in the present embodiment, vibrating diaphragm reinforcement part 21 has the first conductive material layer, by the first conductive material layer and the second conduction material
The bed of material collectively as movable plate, from the general principle of electric capacity it is recognized that while not having between vibrating diaphragm reinforcement part 21 and centring disk 23
There is conducting, because vibrating diaphragm reinforcement part 21 is close with the distance of centring disk 23, and the Area comparison of the first conductive material layer is big,
So the capacitance of the capacitance structure can find that the electric capacity of this structure is very sensitive, can be fine than larger by actual test
Satisfaction detection loudspeaker vibration displacement demand.
Because center washer 28, centring magnet 29, frame 27 are conductor, can be from the bottom extraction wire of frame 27
201 so that fixed polar plate can be by the externally connected circuit in the bottom of frame 17.Centring disk 23 is FPC, can
With from the edge extraction wire 202 of centring disk 23 so that movable plate is grounded or is connected to outside by centring disk 23
Circuit, and it is possible to capacitance detecting chips are arranged on the FPC.
In this embodiment, centring disk plays multiple action simultaneously, can reduce part needed for speaker product, from
And reduces cost, and reduce the space requirement of product design.Specifically, there is centring disk holding vibrational system to shake in itself
Dynamic component vibrates with one heart, reduces the effect of polarization, and then centring disk can be used in detection and shake as a part for movable plate
The vibration displacement of dynamic system, meanwhile, the electric signal of electric capacity can be fed back to external detection by centring disk as electric connection structure
System.
The present embodiment draws while capacitance sensor movable plate design requirement is met to loudspeaker acoustical property adjustments
Enter more adjustable item.Specifically, the sound of loudspeaker can be adjusted by selecting different materials for vibrating diaphragm reinforcement part
Learn performance, particularly high-frequency domain performance；Can also be raised one's voice to adjust by designing the size of the center openwork part of centring disk
The acoustical behavior of device.
In the present embodiment, insulating adhesive is chosen to be bonded together vibrating diaphragm reinforcement part and centring disk, relative to first
Embodiment can equally realize sensitive capacitance structure, and increased the optional of bonding agent by the way of electrically conducting adhesive
Scope.
<Embodiment three>
The structure of the coil-moving speaker that explanation the utility model 3rd embodiment shown in Figure 3 is provided：
Coil-moving speaker includes protecgulum, vibrational system, magnetic circuit system successively from top to bottom, and the coil-moving speaker is also wrapped
Include the housing being combined together with the protecgulum.
The vibrational system includes the vibrating diaphragm, centring disk 33 and the voice coil loudspeaker voice coil 36 that are combined together from top to bottom.It is described to shake
Film includes vibrating diaphragm body 35 and the vibrating diaphragm reinforcement part 31 for being incorporated into the lower central position of vibrating diaphragm body 35 with ring.It is fixed
The center of heart branch piece 33 is engraved structure, and edge and the housing of centring disk 33 are fixed.Wherein, vibrating diaphragm reinforcement part 31 includes first
Conductive material layer, centring disk 33 includes the second conductive material layer, and vibrating diaphragm reinforcement part 31 and centring disk 33 bond together.It is excellent
Choosing, vibrating diaphragm reinforcement part 31 is overall can be made of an electrically conducting material, for example, vibrating diaphragm reinforcement part 31 is made up of metal material.
The magnetic circuit system includes the center washer 38, centring magnet 39 and the frame 37 that are combined together from top to bottom.
The protecgulum include the 3rd conductive material layer, i.e. at least a portion of protecgulum is to be made of an electrically conducting material, for example before
The lower surface of lid is metallic plate 30.Optionally, protecgulum is integrally all made of an electrically conducting material, for example, protecgulum is a block of metal
Plate.
, collectively as movable plate, the 3rd conductive material layer is used as fixation for first conductive material layer and the second conductive material layer
Pole plate, constitutes the capacitance structure of the vibration displacement for detecting the coil-moving speaker.
Wherein, can be as first embodiment, by electrically conducting adhesive between vibrating diaphragm reinforcement part 31 and centring disk 33
Bonding, and the electrically conducting adhesive conducting the first conductive material layer and the second conductive material layer, it is also possible to as second embodiment
Equally, vibrating diaphragm reinforcement part 31 and centring disk 33 are bonded by insulating adhesive.
In this embodiment, protecgulum pad can be set on protecgulum, binding post is set on protecgulum pad, from connecing
Line terminals extraction wire 302, so as to by the externally connected circuit of fixed polar plate.Centring disk 33 is FPC, Ke Yicong
The edge extraction wire 301 of centring disk 33 so that movable plate is grounded or is connected to external circuit by centring disk 33,
And it is possible to capacitance detecting chips are arranged on the FPC.
In this embodiment, centring disk plays multiple action simultaneously, can reduce part needed for speaker product, from
And reduces cost, and reduce the space requirement of product design.Specifically, there is centring disk holding vibrational system to shake in itself
Dynamic component vibrates with one heart, reduces the effect of polarization, and then centring disk can be used in detection and shake as a part for movable plate
The vibration displacement of dynamic system, meanwhile, the electric signal of electric capacity can be fed back to external detection by centring disk as electric connection structure
System.
The present embodiment draws while capacitance sensor movable plate design requirement is met to loudspeaker acoustical property adjustments
Enter more adjustable item.Specifically, the sound of loudspeaker can be adjusted by selecting different materials for vibrating diaphragm reinforcement part
Learn performance, particularly high-frequency domain performance；Can also be raised one's voice to adjust by designing the size of the center openwork part of centring disk
The acoustical behavior of device.
<Example IV>
The structure of the coil-moving speaker that explanation the utility model fourth embodiment shown in Figure 4 is provided：
Coil-moving speaker includes including protecgulum, vibrational system, magnetic circuit system, the coil-moving speaker successively from top to bottom
Also include the housing being combined together with the protecgulum.
The vibrational system includes the vibrating diaphragm, centring disk 43 and the voice coil loudspeaker voice coil 46 that are combined together from top to bottom.It is described to shake
Film includes vibrating diaphragm body 45 and the vibrating diaphragm reinforcement part 41 for being incorporated into the lower central position of vibrating diaphragm body 45 with ring.It is fixed
The center of heart branch piece 43 is engraved structure, and edge and the housing of centring disk 43 are fixed.Wherein, vibrating diaphragm reinforcement part 41 includes first
Conductive material layer, centring disk 43 includes the second conductive material layer, and vibrating diaphragm reinforcement part 41 and centring disk 43 bond together.It is excellent
Choosing, vibrating diaphragm reinforcement part 41 is overall can be made of an electrically conducting material, for example, vibrating diaphragm reinforcement part 41 is made up of metal material.
The magnetic circuit system includes the center washer 48, centring magnet 49 and the frame 47 that are bonded together from top to bottom.
The protecgulum include the 3rd conductive material layer, i.e. at least a portion of protecgulum is to be made of an electrically conducting material, for example before
The lower surface of lid is metallic plate 40.Optionally, protecgulum is integrally all made of an electrically conducting material, for example, protecgulum is a block of metal
Plate.
, collectively as movable plate, the 3rd conductive material layer is used as first for first conductive material layer and the second conductive material layer
Fixed polar plate, center washer 48, centring magnet 49, frame 47 are collectively as the second fixed polar plate, the first fixed polar plate, movable pole
Plate and the second fixed polar plate constitute the capacitance structure of the vibration displacement for detecting the coil-moving speaker.
Wherein, can be as first embodiment, by electrically conducting adhesive between vibrating diaphragm reinforcement part 41 and centring disk 43
Bonding, and the electrically conducting adhesive conducting the first conductive material layer and the second conductive material layer, it is also possible to as second embodiment
Equally, vibrating diaphragm reinforcement part 41 and centring disk 43 are bonded by insulating adhesive.
In this embodiment, protecgulum pad can be set on protecgulum, binding post is set on protecgulum pad, from connecing
Line terminals extraction wire 401, so as to by the externally connected circuit of the first fixed polar plate.
Because center washer 48, centring magnet 49, frame 47 are conductor, the bonding of three can be by conductive adhesive
Conducting is realized, can be from the bottom extraction wire 403 of frame 47 so that the second fixed polar plate can be connected by the bottom of frame 47
It is connected to external circuit.In another embodiment, it is also possible to the principle that similar movable plate is bonded using insulating adhesive, use
Insulating adhesive bonding center washer 48, centring magnet 49, frame 47, still by the externally connected electricity of stage of frame 47
Road.
Centring disk 43 is FPC, and movable plate can be grounded or connected to external electrical by centring disk 43
Road.Can be from the edge extraction wire 402 and 404 of centring disk 43 so that the of the first fixed polar plate and movable plate composition
One capacitance structure can be by wire 401 and wire 402 to outside circuit feedback signal, the second fixed polar plate and movable plate group
Into the second capacitance structure can be by wire 403 and wire 404 to outside capacitive feedback signal.Wherein, capacitance detecting chips
Can be arranged on the FPC.
In this embodiment, centring disk plays multiple action simultaneously, can reduce part needed for speaker product, from
And reduces cost, and reduce the space requirement of product design.Specifically, there is centring disk holding vibrational system to shake in itself
Dynamic component vibrates with one heart, reduces the effect of polarization, and then centring disk can be used in detection and shake as a part for movable plate
The vibration displacement of dynamic system, meanwhile, the electric signal of electric capacity can be fed back to external detection by centring disk as electric connection structure
System.
The present embodiment draws while capacitance sensor movable plate design requirement is met to loudspeaker acoustical property adjustments
Enter more adjustable item.Specifically, the sound of loudspeaker can be adjusted by selecting different materials for vibrating diaphragm reinforcement part
Learn performance, particularly high-frequency domain performance；Can also be raised one's voice to adjust by designing the size of the center openwork part of centring disk
The acoustical behavior of device.
The present embodiment makes full use of the design feature of loudspeaker and its system, designs two fixed polar plates, further lifting
The sensitivity of capacitance structure, increases space availability ratio, is conducive to loudspeaker to be carried out with other functions block integrated.
Although being described in detail to some specific embodiments of the present utility model by example, this area
It is to be understood by the skilled artisans that example above is merely to illustrate, rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case where scope and spirit of the present utility model not be departed from, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (10)
1. a kind of coil-moving speaker, it is characterised in that the coil-moving speaker includes protecgulum, vibration system successively from top to bottom
System and magnetic circuit system；
The vibrational system includes the vibrating diaphragm, centring disk and the voice coil loudspeaker voice coil that are combined together from top to bottom, and the vibrating diaphragm includes band
The vibrating diaphragm body for having ring and the vibrating diaphragm reinforcement part for being incorporated into the vibrating diaphragm body lower central position；Wherein, it is described to shake
Film reinforcement part includes the first conductive material layer, and the centring disk includes the second conductive material layer；
The magnetic circuit system includes the center washer, centring magnet and the conductive magnetic yoke that are combined together from top to bottom；
The protecgulum includes the 3rd conductive material layer；
, used as movable plate, the 3rd conductive material layer is used as first for first conductive material layer and the second conductive material layer
Fixed polar plate, the center washer, centring magnet, conductive magnetic yoke are constituted for detecting the moving-coil type as the second fixed polar plate
The capacitance structure of the vibration displacement of loudspeaker.
2. coil-moving speaker according to claim 1, it is characterised in that the vibrating diaphragm reinforcement part and the centring disk
Between be bonded by electrically conducting adhesive and the electrically conducting adhesive turns on first conductive material layer and described second conductive
Material layer；Or, it is bonded by insulating adhesive between the vibrating diaphragm reinforcement part and the centring disk.
3. coil-moving speaker according to claim 1, it is characterised in that the center washer, centring magnet and lead
Yoke is adhesively fixed by conductive adhesive or insulating adhesive.
4. coil-moving speaker according to claim 1, it is characterised in that protecgulum pad, institute are provided with the protecgulum
State protecgulum pad and be provided with binding post, first fixed polar plate passes through the externally connected circuit of the binding post.
5. coil-moving speaker according to claim 1, it is characterised in that the conductive magnetic yoke is frame, described second consolidates
The externally connected circuit in bottom that fixed plate passes through the frame.
6. coil-moving speaker according to claim 1, it is characterised in that the centring disk is FPC.
7. coil-moving speaker according to claim 6, it is characterised in that the movable plate passes through the centring disk
It is connected to external circuit.
8. coil-moving speaker according to claim 1, it is characterised in that engraved structure centered on the centring disk.
9. coil-moving speaker according to claim 1, it is characterised in that the area of first conductive material layer is more than
The area of second conductive material layer.
10. coil-moving speaker according to claim 1, it is characterised in that the coil-moving speaker also includes accommodating
The housing of the vibrational system and the magnetic circuit system, the edge of the centring disk is fixed with the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023867.XU CN206196043U (en) | 2016-08-31 | 2016-08-31 | Moving -coil loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621023867.XU CN206196043U (en) | 2016-08-31 | 2016-08-31 | Moving -coil loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206196043U true CN206196043U (en) | 2017-05-24 |
Family
ID=58728890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621023867.XU Active CN206196043U (en) | 2016-08-31 | 2016-08-31 | Moving -coil loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206196043U (en) |
-
2016
- 2016-08-31 CN CN201621023867.XU patent/CN206196043U/en active Active
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