CN207354586U - Electro-acoustic conversion device and its suspension mechanism - Google Patents
Electro-acoustic conversion device and its suspension mechanism Download PDFInfo
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- CN207354586U CN207354586U CN201721128365.8U CN201721128365U CN207354586U CN 207354586 U CN207354586 U CN 207354586U CN 201721128365 U CN201721128365 U CN 201721128365U CN 207354586 U CN207354586 U CN 207354586U
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Abstract
The utility model provides a kind of electro-acoustic conversion device and its suspension mechanism, and the suspension mechanism of the electro-acoustic conversion device is connected between voice coil loudspeaker voice coil and the frame of the electro-acoustic conversion device, it includes：First structure part, the first structure part is resilient conductive element, the resilient conductive element has conductive internal structure and conductive Circumscribed structure, and the conduction internal structure is connected to the free end of the voice coil loudspeaker voice coil and is conductively connected with the lead of the voice coil loudspeaker voice coil, and the conduction Circumscribed structure is connected with the frame；Second structural member, second structural member are symmetrical set with the first structure part relative to the center of the voice coil loudspeaker voice coil, and second structural member is connected between the voice coil loudspeaker voice coil and the frame.The electro-acoustic conversion device and its suspension mechanism of the utility model, the rolling that can effectively suppress or even can be fully solved electro-acoustic conversion device are shaken problem.
Description
Technical field
It the utility model is related to technical field of electronic products, the suspension mechanism and electricity of more particularly to a kind of electro-acoustic conversion device
Sound converting apparatus.
Background technology
Electro-acoustic conversion device is the device for converting electrical current into acoustic energy, it includes frame and the magnetic path being connected with each other,
Wherein, vibrating diaphragm is connected with frame, voice coil loudspeaker voice coil is located at frame and the enclosure interior of magnetic path composition, and its one end is connected to vibrating diaphragm
Inner surface, the other end of voice coil loudspeaker voice coil form free end and are inserted into magnetic path.
In the prior art, electro-acoustic conversion device inevitably results from waving mode, namely usually said rolling is shaken, rolling
The generation shaken can cause the distorted signals and noise of electro-acoustic conversion device.Voice coil leads are typically designed to U-shaped, L-shaped or V-arrangement, and
Below vibrating diaphragm, this design structure can there are following defect：
1) voice coil leads one end is vibrated with voice coil vibrations, and the other end is fixed on frame, thus can hold there are internal stress
Easily break；
2) voice coil leads occupy magnetic circuit space；
3) voice coil leads occupy the oscillation space of vibrating diaphragm, and lead can be vibrated with vibration of membrane is shaken, therefore in voice coil loudspeaker voice coil
Need to reserve the space of diaphragm oscillations during the design of lead, this can cause the volume of electro-acoustic conversion device to become larger；
4) voice coil leads are needed together with the pad solder in frame, and the part that vibration is not involved in voice coil leads needs
Frame is fixed on glue, and fixing glue can also occupy certain space, cause the overall volume of electro-acoustic conversion device to increase.
Utility model content
The purpose of this utility model is to provide a kind of suspension mechanism of electro-acoustic conversion device, it is connected to the free end of voice coil loudspeaker voice coil
Between frame, the rolling which can effectively inhibit or even can be fully solved electro-acoustic conversion device is shaken problem.
The another object of the utility model is to provide a kind of electro-acoustic conversion device, makes voice coil loudspeaker voice coil real with frame by suspension mechanism
Now it is electrically connected, reduces the length of voice coil leads, avoid the occurrence of disconnection problem.
The above-mentioned purpose of the utility model can be realized using following technical proposal：
The utility model provides a kind of suspension mechanism of electro-acoustic conversion device, and the suspension mechanism is connected to the electroacoustic and turns
Between the voice coil loudspeaker voice coil and frame of changing device, it includes：
First structure part, the first structure part are resilient conductive element, and the resilient conductive element has conductive internal structure
With conductive Circumscribed structure, the conduction internal structure is connected to the free end of the voice coil loudspeaker voice coil and connects with the lead conduction of the voice coil loudspeaker voice coil
Connect, the conduction Circumscribed structure is connected with the frame；
Second structural member, second structural member are in symmetrically to set relative to the center of the voice coil loudspeaker voice coil with the first structure part
Put, second structural member is connected between the voice coil loudspeaker voice coil and the frame.
In the embodiment of the utility model, second structural member has internal structure and Circumscribed structure, described interior
Binding structure is connected to the free end of the voice coil loudspeaker voice coil, and the Circumscribed structure is connected with the frame.
In the embodiment of the utility model, the internal structure is interior contact pin, and the conduction internal structure is conduction
Interior contact pin, the interior contact pin are radially symmetrically connected to the voice coil loudspeaker voice coil with contact pin in the conduction relative to the voice coil loudspeaker voice coil
Free end.
In the embodiment of the utility model, the both ends of contact pin are respectively equipped with interior pad, the conduction in the conduction
Circumscribed structure is outer pad, and the outer pad is conductively connected in the interior pad by conductive strips.
In the embodiment of the utility model, the interior pad at contact pin both ends is led by described in the conduction
The non-conductive connection of contact pin in electricity.
In the embodiment of the utility model, the internal structure is inscribed block, and the conduction internal structure is conduction
Inscribed block, the inscribed block and the conductive inscribed block gap are connected to the free end of the voice coil loudspeaker voice coil, the inscribed block and institute
Conductive inscribed block is stated to be symmetrical set relative to the center of the voice coil loudspeaker voice coil.
In the embodiment of the utility model, the conductive inscribed block is equipped with interior pad, the conduction Circumscribed structure
For outer pad, the outer pad is conductively connected in the interior pad by conductive strips.
In the embodiment of the utility model, the conduction internal structure is connected to form round with the internal structure
Plate, the round plate are connected to the free end of the voice coil loudspeaker voice coil.
In the embodiment of the utility model, the conduction internal structure has spaced interior pad, described to lead
Electric Circumscribed structure is outer pad, and the outer pad is conductively connected in the interior pad by conductive strips；The Circumscribed structure is outer
Disk is connect, the external disk is connected to the internal structure by connect band.
In the embodiment of the utility model, conductive internal structure is non-leads by described for the spaced interior pad
It is electrically connected.
In the embodiment of the utility model, the frame has frame pad, and the conduction Circumscribed structure has outer
Connecting terminal, the external terminal are electrically connected to the frame pad.
In the embodiment of the utility model, the Circumscribed structure is external disk, and the external disk is connected by connect band
It is connected to the internal structure.
In the embodiment of the utility model, the outer pad is adhered to the frame.
In the embodiment of the utility model, second structural member is and the resilient conductive element structure is identical leads
Electric part.
In the embodiment of the utility model, the resilient conductive element is flexible PCB；Alternatively, the elastic conduction
Part is the elastic component with conducting medium.
In the embodiment of the utility model, the material of the resilient conductive element is electric silica gel or conductive plastics.
The utility model also provides a kind of electro-acoustic conversion device, it includes：
Frame, its inner side are connected with vibrating diaphragm；
Magnetic path, it is connected with the frame, formed with accommodating chamber between the magnetic path and the frame；
Suspension mechanism as described above, it is located in the accommodating chamber, and the suspension mechanism is connected to the frame；
Voice coil loudspeaker voice coil, it is located in the accommodating chamber, and the fixing end of the voice coil loudspeaker voice coil is connected to the inner surface of the vibrating diaphragm, the sound
The free end of circle is connected with the suspension mechanism.
The magnetic path includes magnetic bowl, and the center magnet positioned at the magnetic bowl center, the center magnet it is upper
Side is equipped with center magnet top flat, and the magnetic bowl is surrounded by side magnet, and magnetopause piece when the top in magnet is equipped with is described
Voice coil loudspeaker voice coil is inserted into the magnetic gap formed by the center magnet and the side magnet.
In the embodiment of the utility model, the side magnet is set by two long magnets being oppositely arranged and two are opposite
The short magnet put, which encloses, to be set to form rectangular configuration, and the length of the long magnet is more than the length of the short magnet.
The characteristics of electro-acoustic conversion device and its suspension mechanism of the utility model and advantage are：
First, the suspension mechanism is connected on the free end of voice coil loudspeaker voice coil, above and below the vibrating diaphragm of electro-acoustic conversion device and the suspension mechanism
It is oppositely arranged, and the first structure part of the suspension mechanism and the second structural member are symmetrical set relative to the center of voice coil loudspeaker voice coil, this is outstanding
Suspension mechanism weakens or counteracts the problem of opposite in phase that vibrating diaphragm produces in vibration processes, it can suppress even solution completely
The certainly rolling of electro-acoustic conversion device is shaken problem.
2nd, since the first structure part is resilient conductive element, on the one hand, the resilient conductive element is real as a kind of conduct piece
Show while be conductively connected with the lead of voice coil loudspeaker voice coil, and frame can be connected to by its conductive Circumscribed structure and be led with external circuit
It is electrically connected, which solves and need that the lead of voice coil loudspeaker voice coil is extended to and is connected to the complexity of frame pad in the prior art
The lead direct conduction drawn from voice coil loudspeaker voice coil can be attached to by structure, the conduction internal structure, effectively reduce drawing for voice coil loudspeaker voice coil
Line length, the wire length of voice coil loudspeaker voice coil can be kept to 1/10th of conventional design, not only reduce lead to diaphragm oscillations space
Take, and avoid the collision of lead and other elements in vibration processes, effectively increase the tonequality of electro-acoustic conversion device；
On the other hand, the resilient conductive element is as a kind of elastomer, effectively prevent lead in vibration processes due to stress concentration and
The risk being broken, improves the service life of electro-acoustic conversion device.The first structure part of the suspension mechanism uses elastic conducting
The design of electric part, omits lead shaping and technique for fixing, improves packaging efficiency.
3rd, the utility model is used sets outer pad on the first structure part of suspension mechanism, to replace in existing design
Frame pad in frame, simplifies the mould of frame, improves product yield.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the utility model
Example is applied, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other embodiments.
Fig. 1 is the profile of the electro-acoustic conversion device of the utility model.
Fig. 2 is the present invention looks up structural representation of the embodiment one of the suspension mechanism being connected on voice coil loudspeaker voice coil of the utility model.
Fig. 3 is the present invention looks up structural representation of the embodiment two of the suspension mechanism being connected on voice coil loudspeaker voice coil of the utility model.
Fig. 4 is the present invention looks up structural representation of the embodiment three of the suspension mechanism being connected on voice coil loudspeaker voice coil of the utility model.
Fig. 5 is the present invention looks up structural representation of the example IV of the suspension mechanism being connected on voice coil loudspeaker voice coil of the utility model.
Fig. 6 is the overlooking the structure diagram of Fig. 2 any embodiments into Fig. 4 of the utility model.
Fig. 7 is the schematic diagram for the embodiment that the suspension mechanism being connected on voice coil loudspeaker voice coil of the utility model is combined with frame.
Fig. 8 is the signal for another embodiment that the suspension mechanism being connected on voice coil loudspeaker voice coil of the utility model is combined with frame
Figure.
Fig. 9 is the explosive view of the electro-acoustic conversion device of the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or there may be centering elements.When an element is known as " being connected to " another element, it can be
It is directly connected to another element or there may be centering elements.
It should also be noted that, the orientation term such as left and right, upper and lower in the utility model, be only each other relative concept or
It is using the normal operating condition of product as reference, and should not be regarded as restrictive.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" bag
Include the arbitrary and all combination of one or more relevant Listed Items.
Embodiment one
As shown in Figures 1 to 6, the utility model provides a kind of suspension mechanism 1 of electro-acoustic conversion device, the suspension machine
Structure 1 is connected between the voice coil loudspeaker voice coil 2 of the electro-acoustic conversion device and frame 3, it includes：11 and second structural member of first structure part
12, wherein, the first structure part 11 is resilient conductive element, and the resilient conductive element has conductive internal structure 111 and conduction
Circumscribed structure 112, it is described conduction internal structure 111 be connected to the voice coil loudspeaker voice coil 2 free end 21 and with the lead 22 of the voice coil loudspeaker voice coil 2
It is conductively connected, the conduction Circumscribed structure 112 is connected with the frame 3；Second structural member 12 and the first structure part
11 are symmetrical set relative to the center 23 of the voice coil loudspeaker voice coil 2, and second structural member 12 is connected to the voice coil loudspeaker voice coil 2 and the frame
Between 3.
Specifically, which is resilient conductive element, referring to the XYZ triaxial coordinates in figure, the resilient conductive element
A kind of selectable embodiment can be that the elasticity with Z axis is more than X-axis and/or the elastic characteristic of Y-axis, wherein Z axis
The direction on vertical 5 surface of vibrating diaphragm, X-axis and Y-axis are respectively the direction parallel to 5 surface of vibrating diaphragm.In the utility model, the elasticity
Conduct piece can be flexible PCB；Alternatively, in a further embodiment, which can be the elasticity with conducting medium
Part, the wherein elastic component may be, for example, homogenous material such as silica gel, polyimides (Polyimide, PI), polyether-ether-ketone
(polyetheretherketone, PEEK), or composite material such as carbon-aramid fiber synthetic fibers are made, in this embodiment, example
Such as in the covering of the outer surface of elastic component or conductive film is enclosed with, alternatively, being internally provided with conductor wire etc. in elastic component, herein
It is not limited, as long as the elastic component of conductive energy；Alternatively, in other embodiments, which can
Resilient conductive element made of to have the material of conducting particles inside electric silica gel or conductive plastics etc..
The resilient conductive element has conductive internal structure 111 and conductive Circumscribed structure 112, which connects
It is connected to the free end 21 of voice coil loudspeaker voice coil 2 and is conductively connected with the lead 22 of voice coil loudspeaker voice coil 2, which is connected with frame 3.
In one feasible embodiment, as shown in fig. 7, frame 3 has two frame pads 31, two frame pads 31, which can be for example spaced, to be set
The outer edge in frame 3 is put, which has two external terminal 112a, two 112a points of external terminals
It is not conductively connected in two frame pads 31, in this embodiment, electro-acoustic conversion device is realized by two frame pads 31
The purpose being conductively connected with external circuit；In another feasible embodiment, as shown in figure 8, being not provided with frame weldering in the frame 3
Disk, the conduction Circumscribed structure 112 are two outer pad 112b, and two outer pad 112b are adhered to outside frame 3, such as two respectively
Pad 112b is arranged at intervals and is adhered to the outer edge of frame 3 respectively, and in this embodiment, electro-acoustic conversion device is by two
A outer pad 112b realizes the purpose being conductively connected with external circuit；Certainly, in other embodiments, can be equipped with frame 3
Two frame pads 31, and the conduction Circumscribed structure 112 is two outer pad 112b, connection is respectively welded in two outer pad 112b
On two frame pads 31, which can be realized by two outer pad 112b and/or two frame pads 31
The purpose being conductively connected with external circuit.
As shown in Figures 2 to 6, which is in symmetrical relative to the center 23 of voice coil loudspeaker voice coil 2 with first structure part 11
Set, which is connected between voice coil loudspeaker voice coil 2 and frame 3.In the present embodiment, which has inscribed
Structure 121 and Circumscribed structure 122, the internal structure 121 are connected to the free end 21 of voice coil loudspeaker voice coil 2, the Circumscribed structure 122 and frame 3
It is connected.Second structural member 12 is designed as being symmetrical set relative to the center 23 of voice coil loudspeaker voice coil 2 with first structure part 11, to ensure sound
The free end end face of circle 2 is always positioned in the plane of substantially vertical Z-direction, which cuts
It is weak or the problem of counteract opposite in phase that vibrating diaphragm 5 produces in vibration processes, voice coil loudspeaker voice coil 2 is avoided along parallel to X-axis or Y-axis
Axis unexpected upset occurs, the rolling that can effectively inhibit or even can be fully solved electro-acoustic conversion device is shaken problem.
The suspension mechanism 1 of the utility model is connected on the free end 21 of voice coil loudspeaker voice coil 2, and the vibrating diaphragm 5 of electro-acoustic conversion device is with being somebody's turn to do
Suspension mechanism is oppositely arranged about 1, and 11 and second structural member 12 of first structure part of the suspension mechanism 1 is relative to voice coil loudspeaker voice coil 2
Center 23 is symmetrical set, which weakens or counteract asking for the opposite in phase that vibrating diaphragm 5 produces in vibration processes
Topic, it can suppress even to be fully solved the rolling of electro-acoustic conversion device and shake problem.
Further, since the first structure part 11 is resilient conductive element, on the one hand, the resilient conductive element is as a kind of conductive
Part, realizes while be conductively connected with the lead of voice coil loudspeaker voice coil 2 22, and can be connected to frame 3 simultaneously by its conductive Circumscribed structure 112
It is conductively connected with external circuit, which solves and need that the lead 22 of voice coil loudspeaker voice coil 2 is pulled out and connected in the prior art
The labyrinth of frame pad 31 at 3 outer rim of frame, the lead 22 which will can draw from voice coil loudspeaker voice coil 2
Direct conduction is attached to, and effectively reduces 22 length of lead of voice coil loudspeaker voice coil 2, and 2 lead of voice coil loudspeaker voice coil, 22 length can be kept to conventional design
1/10th or shorter, not only reduce occupancy of the lead 22 to 5 oscillation space of vibrating diaphragm, and avoid in vibration processes
The collision of lead 22 and other elements, effectively increases the tonequality of electro-acoustic conversion device；On the other hand, the resilient conductive element conduct
A kind of elastomer, effectively prevent the risk that lead 22 is broken in vibration processes due to stress concentration, improves electricity
The service life of sound converting apparatus.
An embodiment according to the present utility model, second structural member 12 are non-conductive part, it can be used as the first knot
The counterweight of component 11 is in geometrically symmetric setting relative to center 23 and the first structure part 11 of voice coil loudspeaker voice coil 2, second structural member 12
It is essentially identical with the shape and structure of first structure part 11, and the weight of the second structural member 12 and the weight base of first structure part 11
This is identical.It is described in detail below by instantiation.
As shown in Fig. 2, in a feasible embodiment, which is interior contact pin 121a, and the conduction is inscribed
Structure 111 for conduction in contact pin 111a, radially phases of the interior contact pin 121a with contact pin 111a in the conduction relative to voice coil loudspeaker voice coil 2
To being connected on the free end 21 of voice coil loudspeaker voice coil 2.
In the particular embodiment, when voice coil loudspeaker voice coil 2 is rectangle framework, the interior contact pin 121a and contact pin 111a in the conduction
Can be the strip plates to match with the long side of rectangle framework or the length of short side；, should when voice coil loudspeaker voice coil 2 is circular ring shape cylinder
Interior contact pin 121a and contact pin 111a in the conduction can be the plates of arc.The shape of the interior contact pin 121a and contact pin in the conduction
The shape that the shape of 111a is designed as respectively with voice coil loudspeaker voice coil 2 matches, and the shape of the two is not limited herein, as long as can realize
The matched plates of any shape being attached with 21 end face of free end of voice coil loudspeaker voice coil 2.
In this embodiment, please refer to shown in Fig. 6, the both ends of contact pin 111a are respectively equipped with one and weld in the conduction
Disk 1111, two interior pads 1111 connect (referring in Fig. 2 shown in dotted line) by the way that contact pin 111a in conduction is non-conductive, that is,
Conductor wire in conduction in contact pin 111a is to disconnect, short to avoid two interior 1111 outlets of pad for being connected with corresponding lead 22
The situation on road；Two interior pads 1111 are set respectively close to voice coil loudspeaker voice coil 2, that is, in conduction contact pin 111a both ends (not with voice coil loudspeaker voice coil
The part of 2 21 end face of free end connection) the interior pad 1111 is respectively equipped with, it is designed such that what is drawn from voice coil loudspeaker voice coil 2
Lead 22 can direct conduction be connected on corresponding interior pad 1111, not only reduce the length of lead 22, avoid lead
The occupancy of 22 pairs of 5 oscillation spaces of vibrating diaphragm, and the collision of lead 22 and other elements in vibration processes is avoided, while also may be used
The risk for preventing lead 22 to be broken in vibration processes due to stress concentration, effectively increases the sound of electro-acoustic conversion device
Matter and service life.The quantity of the not internal pad 1111 of the utility model is limited, can in conduction contact pin 111a two
End sets an interior pad 1111 respectively, can also the both ends of contact pin 111a set any amount respectively in conduction as needed
Interior pad 1111, certainly, 1111 quantity of interior pad that sets respectively of both ends of contact pin 111a can not also be identical in conduction.
Further, which is two outer pad 112b, and two outer pad 112b pass through conduction respectively
Band 113 is conductively connected in two interior pads 1111.In the utility model, the shape of the conductive strips 113 can be serpentine, so
Design contributes to resilient conductive element to realize its purpose being flexibly connected between voice coil loudspeaker voice coil 2 and frame 3 with minimum occupied space；
Certainly, in other examples, the shape of conductive strips 113 can also use other shapes, as long as can realize outer pad 112b
It is conductively connected in interior pad 1111, is not limited herein.The quantity of the not external pad 112b of the utility model is limited,
Two outer pad 112b can be set, can also according to the quantity of the interior pad 1111 or it is other need to set it is any number of
Outer pad 112b.The utility model does not also carry out the shape of cross sections of conductive strips 113 any restrictions, its shape of cross section can be with
For common approximate flattened rectangular, or circular cross section, or cross section are any applicable geometry.
In this embodiment, frame pad 31 no matter whether is equipped with frame 3, two of the conduction Circumscribed structure 112 are outer
Pad 112b can be used as with the pad that external circuit is conductively connected, and two outer pad 112b can be directly adhered in frame 3
Correspondence frame pad 31 be either directly adhered at the outer rim of frame 3 (situation that frame 3 is not provided with frame pad) or two
A outer pad 112b frame pads 31 corresponding with frame 3 are welded to connect；Certainly, the conductive Circumscribed structure in the present embodiment
112 or two external terminal 112a, two external terminal 112a direct conductions are connected to two frame pads in frame 3
31, realize the purpose being conductively connected with external circuit by two frame pads 31 in frame 3.
It is corresponding with two outer pad 112b of first structure part 11, the Circumscribed structure of the second structural member 12 in the embodiment
122 be two external disk 122b, the shape and structure and the frame pad on outer pad 112b or frame 3 of two external disk 122b
31 shape is identical with structure, and two external disk 122b are connected to internal structure 121 by connect band 123 respectively.The connect band
123 shape and structure is identical with the shape and structure of conductive strips 113.Certainly, it is two corresponding to the conduction Circumscribed structure 112
The embodiment of external terminal 112a, the Circumscribed structure 122 or shape and structure identical with external terminal 112a two are outside
Connecting terminal.The utility model does not limit the quantity of external disk 122b, can set two external disk 122b, can also root
According to needing to set any number of external disk 122b.
As shown in figure 3, in another feasible embodiment, which is two inscribed block 121b, the conduction
Block 111b is inscribed for two conductions in internal structure 111, and the block 111b companies of interval are inscribed in two inscribed block 121b and two conductions
It is connected on the free end 21 of voice coil loudspeaker voice coil 2, two inscribed block 121b and two conductions are inscribed block 111b and are in relative to the center 23 of voice coil loudspeaker voice coil 2
It is symmetrical arranged.
In the particular embodiment, no matter which kind of shape and structure voice coil loudspeaker voice coil 2 is, two inscribed block 121b are inscribed with two conductions
Block 111b is spaced on the free end 21 for being connected to voice coil loudspeaker voice coil 2, and with two conductions block 111b to be inscribed opposite by two inscribed block 121b
In the center 23 of voice coil loudspeaker voice coil 2 be in geometrically symmetric setting.For example, in the embodiment shown in Figure 2, when voice coil loudspeaker voice coil 2 is rectangle framework,
Two inscribed block 121b and two conductions are inscribed block 111b and are separately positioned at four ends angle of rectangle framework, and inscribed block
121b is diametrically set with the inscribed block 111b of conduction relative to the center 23 of voice coil loudspeaker voice coil 2, namely the diagonal phase along rectangle framework
To setting.The utility model is not limited the quantity that block 121b or conductive inscribed block 111b is inscribed, its quantity is at least one
It is a, or any amount, as long as its interval is connected on voice coil loudspeaker voice coil 2 and is symmetrical set relative to the center 23 of voice coil loudspeaker voice coil 2.Example
Such as,, can be in two relatively short sides of voice coil loudspeaker voice coil 2 when voice coil loudspeaker voice coil 2 is rectangle framework in a feasible embodiment shown in Fig. 4
It is respectively equipped with an inscribed block 121b and block 111b, and inscribed block 121b and conductive inscribed block 111b difference position is inscribed in a conduction
In the midpoint of the long side of voice coil loudspeaker voice coil 2, so that inscribed block 121b and conductive inscribed block 111b are symmetrically set relative to the center 23 of voice coil loudspeaker voice coil 2
Put.
In this embodiment, please refer to shown in Fig. 6, two conductions are inscribed 111b on block and are respectively equipped with an interior pad
1111, that is, the interior pad 1111 is equipped with the part that conductive inscribed block 111b does not connect with the free end 21 of voice coil loudspeaker voice coil 2,
Two interior pads 1111 are set respectively close to voice coil loudspeaker voice coil 2, are designed such that the lead 22 drawn from voice coil loudspeaker voice coil 2 being capable of direct conduction company
It is connected on corresponding interior pad 1111, not only reduces the length of lead 22, avoids lead 22 and 5 oscillation space of vibrating diaphragm is accounted for
With, and the collision of lead 22 and other elements in vibration processes is avoided, while prevented also from lead 22 in vibration processes
In the risk that is broken due to stress concentration, effectively increase the tonequality and service life of electro-acoustic conversion device.This practicality
The quantity of new not internal pad 1111 is limited, and can set an interior pad respectively on each conductive inscribed block 111b
1111, as needed any number of interior pad 1111 can also be set on each conductive inscribed block 111b respectively, each lead
1111 quantity of interior pad that the inscribed block 111b of electricity is set respectively can not also be identical.
Further, which is two outer pad 112b, and two outer pad 112b pass through conduction respectively
Band 113 is conductively connected in corresponding interior pad 1111.In the utility model, the shape of the conductive strips 113 can be " S "
Shape, so design contribute to resilient conductive element to realize its flexible connection between voice coil loudspeaker voice coil 2 and frame 3 with minimum occupied space
Purpose；Certainly, in other examples, the shape of conductive strips 113 can also use other shapes, as long as can realize outside weld
Disk 112b is conductively connected in interior pad 1111, is not limited herein.The quantity of the not external pad 112b of the utility model into
Row limitation, can set two outer pad 112b, can also be set according to interior 1111 quantity of pad or other needs any
The outer pad 112b of quantity.The utility model does not carry out any restrictions, its shape of cross section to the shape of cross section of conductive strips 113
Can be common approximate flattened rectangular, or circular cross section, or cross section are any applicable geometry.
In this embodiment, frame pad 31 no matter whether is equipped with frame 3, two of the conduction Circumscribed structure 112 are outer
Pad 112b can be used as with the pad that external circuit is conductively connected, and two outer pad 112b can be directly adhered in frame 3
Correspondence frame pad 31 be either directly adhered at the outer rim of frame 3 (situation that frame 3 is not provided with frame pad) or two
A outer pad 112b frame pads 31 corresponding with frame 3 are welded to connect；Certainly, the conductive Circumscribed structure in the present embodiment
112 or two external terminal 112a, two external terminal 112a direct conductions are connected to two frame pads in frame 3
31, realize the purpose being conductively connected with external circuit by two frame pads 31 in frame 3.
It is corresponding with two outer pad 112b of first structure part 11, the Circumscribed structure of the second structural member 12 in the embodiment
122 be two external disk 122b, the shape and structure and the frame pad on outer pad 112b or frame 3 of two external disk 122b
31 shape is identical with structure, and two external disk 122b are connected to two inscribed block 121b by connect band 123 respectively.The connection
It is identical with the shape and structure of conductive strips 113 with 123 shape and structure.Certainly, it is two corresponding to the conduction Circumscribed structure 112
The embodiment of a external terminal 112a, the Circumscribed structure 122 or shape and two identical with external terminal 112a of structure
External terminal.The utility model does not limit the quantity of external disk 122b, can set two external disk 112b, can also
It is arranged as required to any number of external disk 122b.
As shown in figure 5, in another feasible embodiment, which is connected shape with internal structure 121
Into round plate, which is connected on the free end 21 of voice coil loudspeaker voice coil 2.
In the particular embodiment, when voice coil loudspeaker voice coil 2 is rectangle framework, the conduction internal structure 111 and internal structure 121
The round plate that connection is formed is rectangle frame-shaped, it is connected on 21 end face of free end of voice coil loudspeaker voice coil 2；When voice coil loudspeaker voice coil 2 is circular ring shape cylinder
During body, it is circular ring shape which, which is connected the round plate formed with internal structure 121,.The conduction internal structure 111
The round plate formed is connected with internal structure 121 and the shape of voice coil loudspeaker voice coil 2 matches, the shape of round plate is not limited herein
System.
In this embodiment, please refer to shown in Fig. 6, which has in spaced two
Pad 1111, two interior pads 1111 connect (referring in Fig. 5 shown in dotted line) by the way that conductive internal structure 111 is non-conductive,
That is, the conductor wire in conductive internal structure 111 is to disconnect, and is gone out to avoid two interior pads 1111 for being connected with corresponding lead 22
The situation of existing short circuit；Two interior pads 1111 are set respectively close to voice coil loudspeaker voice coil 2, that is, at the both ends of conductive internal structure 111 (not
The part being connected with 21 end face of free end of voice coil loudspeaker voice coil 2) the interior pad 1111 is respectively equipped with, it is designed such that from voice coil loudspeaker voice coil 2
The lead 22 of extraction can direct conduction be connected on corresponding interior pad 1111, not only reduce the length of lead 22, avoid
Occupancy of the lead 22 to 5 oscillation space of vibrating diaphragm, and the collision of lead 22 and other elements in vibration processes is avoided, together
When the risk that is broken prevented also from lead 22 in vibration processes due to stress concentration, effectively increase electroacoustic converting means
The tonequality and service life put.The quantity of the not internal pad 1111 of the utility model is limited, can be in conductive internal structure
111 both ends set an interior pad 1111 respectively, can also set any amount respectively at the both ends of conductive internal structure 111
Interior pad 1111, and 1111 quantity of interior pad that the both ends of conductive internal structure 111 are set respectively can not also be identical.
Further, which is two outer pad 112b, and two outer pad 112b pass through conduction respectively
Band 113 is conductively connected in two interior pads 1111；In the utility model, the shape of the conductive strips 113 can be serpentine, so
Design contributes to resilient conductive element to realize its purpose being flexibly connected between voice coil loudspeaker voice coil 2 and frame 3 with minimum occupied space；
Certainly, in other examples, the shape of conductive strips 113 can also use other shapes, as long as can realize outer pad 112b
It is conductively connected in interior pad 1111, is not limited herein.The quantity of the not external pad 112b of the utility model is limited,
Two outer pad 112b can be set, can also according to interior 1111 quantity of pad or it is other need to set it is any number of outer
Pad 112b.The utility model does not carry out any restrictions to the shape of cross section of conductive strips 113, its shape of cross section can be normal
The approximate flattened rectangular seen, or circular cross section, or cross section are any applicable geometry.
In this embodiment, frame pad 31 no matter whether is equipped with frame 3, two of the conduction Circumscribed structure 112 are outer
Pad 112b can be used as with the pad that external circuit is conductively connected, and two outer pad 112b can be directly adhered in frame 3
Correspondence frame pad 31 be either directly adhered at the outer rim of frame 3 (situation that frame 3 is not provided with frame pad) or two
A outer pad 112b frame pads 31 corresponding with frame 3 are welded to connect；Certainly, the conductive Circumscribed structure in the present embodiment
112 or two external terminal 112a, two external terminal 112a direct conductions are connected to two frame pads in frame 3
31, realize the purpose being conductively connected with external circuit by two frame pads 31 in frame 3.
It is corresponding with two outer pad 112b of first structure part 11, the Circumscribed structure of the second structural member 12 in the embodiment
122 be two external disk 122b, the shape and structure and the frame pad on outer pad 112b or frame 3 of two external disk 122b
31 shape is identical with structure, and two external disk 122b are connected to internal structure 121 by connect band 123 respectively.The connect band
123 shape and structure is identical with the shape and structure of conductive strips 113.Certainly, it is two corresponding to the conduction Circumscribed structure 112
The embodiment of external terminal 112a, the Circumscribed structure 122 or shape and structure identical with external terminal 112a two are outside
Connecting terminal.The utility model does not limit the quantity of external disk 122b, can set two external disk 122b, can also root
According to needing to set any number of external disk 122b.
An embodiment according to the present utility model, as shown in Figures 1 to 8, which can be and elasticity
The shape of conduct piece and completely identical in structure conduct piece, namely second structural member 12 is also resilient conductive element, two elasticity
Conduct piece is symmetrical set relative to the center 23 of voice coil loudspeaker voice coil 2, to ensure that the free end end face of voice coil loudspeaker voice coil 2 is always positioned at substantially vertical Z
In the plane of direction of principal axis, the problem of it weakens or counteract opposite in phase that vibrating diaphragm 5 produces in vibration processes, sound is avoided
Circle 2 can effectively inhibit along unexpected upset occurs parallel to the axis of X-axis or Y-axis or even can be fully solved electricity
The rolling of sound converting apparatus is shaken problem.
In this embodiment, no longer repeated for the shape and structure of corresponding second structural members 12 of Fig. 2 to Fig. 4.
For the embodiment corresponding to Fig. 5, when two resilient conductive elements connect to form round plate, in a feasible embodiment, when
, it is necessary to which the conductor wire in integrally formed round plate is disconnected when the round plate is integrally formed, that is, realize two interior pads 1111
By the non-conductive connection of round plate, to avoid the situation for two interior 1111 outlet of pad short circuits for being connected with corresponding lead 22.
Embodiment two
As shown in Fig. 1 and Fig. 9, the utility model also provides a kind of electro-acoustic conversion device, it includes：Frame 3, magnetic path
4th, voice coil loudspeaker voice coil 2 and suspension mechanism 1, wherein, which is the suspension mechanism described in embodiment one, its concrete structure, work
Making principle and beneficial effect, details are not described herein.The inner side of frame 3 of the electro-acoustic conversion device is connected with vibrating diaphragm 5；Magnetic path 4 with
Frame 3 is connected, formed with accommodating chamber 41 between the magnetic path 4 and frame 3；Suspension mechanism 1 is located in accommodating chamber 41, the suspension
Mechanism 1 is connected to frame 3；Voice coil loudspeaker voice coil 2 is located in accommodating chamber 41, and the fixing end 24 of voice coil loudspeaker voice coil 2 is connected to the inner surface of vibrating diaphragm 5, voice coil loudspeaker voice coil 2
Free end 21 be connected with suspension mechanism 1.
Specifically, which includes magnetic bowl 42, and the center magnet 43 positioned at 42 center of magnetic bowl, center magnet
43 top is equipped with center magnetopause piece 44, and magnetic bowl 42 is surrounded by side magnet 422, in the magnetic when the top of magnet 422 is equipped with
Top flat 423, the center magnetopause piece 44 and side magnetopause piece 423 can be iron plate, and voice coil loudspeaker voice coil 2 is inserted into by center magnet 43 and side magnet
In 423 magnetic gap formed.The magnetic path 4 is used to provide electromagnetic driving force for electro-acoustic conversion device.
Please refer to shown in Fig. 9, in a feasible embodiment, the side magnet 422 is by two length being oppositely arranged
Magnet 4221 and two short magnets 4222 being oppositely arranged enclose and set to form rectangular configuration, and the length of long magnet 4221 is more than short magnet
4222 length.The long magnet 4221 and short magnet 4222 are correspondingly arranged at the outer peripheral edge of magnetic bowl 42 respectively, and in long magnet
Gap passage is formed at the 4221 end angles adjacent with short magnet 4222, so that accommodating chamber 41 forms communicating passage with outside air,
Electro-acoustic conversion device in this embodiment is five magnetic circuit electro-acoustic conversion devices, can also use other any applicable magnetic circuit knots
Structure, such as three magnetic structures, single magnetic structure.
The electro-acoustic conversion device of the utility model, is connected on the free end 21 of voice coil loudspeaker voice coil 2 by suspension mechanism 1, and electroacoustic turns
The vibrating diaphragm 5 of changing device is oppositely arranged with the suspension mechanism about 1, and 11 and second structure of first structure part of the suspension mechanism 1
Part 12 is symmetrical set relative to the center 23 of voice coil loudspeaker voice coil 2, which weakens or counteract vibrating diaphragm 5 in vibration processes
The problem of opposite in phase of generation, it can suppress even to be fully solved the rolling of electro-acoustic conversion device and shake problem.
The foregoing is merely several embodiments of the utility model, and those skilled in the art is according to disclosed in application documents
Content can carry out the utility model embodiment spirit and scope of the various changes or modifications without departing from the utility model.
Claims (20)
1. a kind of suspension mechanism of electro-acoustic conversion device, it is characterised in that the suspension mechanism is connected to the electroacoustic converting means
Between the voice coil loudspeaker voice coil and frame put, it includes：
First structure part, the first structure part are resilient conductive element, and the resilient conductive element has conductive internal structure and leads
Electric Circumscribed structure, the conduction internal structure are connected to the free end of the voice coil loudspeaker voice coil and are conductively connected with the lead of the voice coil loudspeaker voice coil,
The conduction Circumscribed structure is connected with the frame；
Second structural member, second structural member are symmetrical set with the first structure part relative to the center of the voice coil loudspeaker voice coil,
Second structural member is connected between the voice coil loudspeaker voice coil and the frame.
2. the suspension mechanism of electro-acoustic conversion device as claimed in claim 1, it is characterised in that second structural member has interior
Binding structure and Circumscribed structure, the internal structure are connected to the free end of the voice coil loudspeaker voice coil, the Circumscribed structure and the frame phase
Even.
3. the suspension mechanism of electro-acoustic conversion device as claimed in claim 2, it is characterised in that the internal structure is inscribed
Piece, the conduction internal structure are contact pin in conduction, and the interior contact pin is with contact pin in the conduction relative in the voice coil loudspeaker voice coil
Heart radial symmetric is connected to the free end of the voice coil loudspeaker voice coil.
4. the suspension mechanism of electro-acoustic conversion device as claimed in claim 3, it is characterised in that the both ends of contact pin in the conduction
Interior pad is respectively equipped with, the conduction Circumscribed structure is outer pad, and the outer pad is conductively connected in described interior by conductive strips
Pad.
5. the suspension mechanism of electro-acoustic conversion device as claimed in claim 4, it is characterised in that the contact pin two in the conduction
The interior pad at end passes through the non-conductive connection of contact pin in the conduction.
6. the suspension mechanism of electro-acoustic conversion device as claimed in claim 2, it is characterised in that the internal structure is inscribed
Block, the conduction internal structure are conductive inscribed block, and the inscribed block and the conductive inscribed block gap are connected to the sound
The free end of circle, the inscribed block and the conductive inscribed block are symmetrical set relative to the center of the voice coil loudspeaker voice coil.
7. the suspension mechanism of electro-acoustic conversion device as claimed in claim 6, it is characterised in that the conductive inscribed block is equipped with
Interior pad, the conduction Circumscribed structure is outer pad, and the outer pad is conductively connected in the interior pad by conductive strips.
8. the suspension mechanism of electro-acoustic conversion device as claimed in claim 2, it is characterised in that the conduction internal structure and institute
State internal structure to connect to form round plate, the round plate is connected to the free end of the voice coil loudspeaker voice coil.
9. the suspension mechanism of electro-acoustic conversion device as claimed in claim 8, it is characterised in that the conduction internal structure has
Spaced interior pad, the conduction Circumscribed structure is outer pad, and the outer pad is conductively connected in described by conductive strips
Interior pad；The Circumscribed structure is external disk, and the external disk is connected to the internal structure by connect band.
10. the suspension mechanism of electro-acoustic conversion device as claimed in claim 9, it is characterised in that the spaced interior weldering
Disk passes through the non-conductive connection of the conductive internal structure.
11. the suspension mechanism of electro-acoustic conversion device as claimed in claim 1, it is characterised in that the frame is welded with frame
Disk, the conduction Circumscribed structure have external terminal, and the external terminal is electrically connected to the frame pad.
12. the suspension mechanism of electro-acoustic conversion device as claimed in claim 2, it is characterised in that the Circumscribed structure is external
Disk, the external disk are connected to the internal structure by connect band.
13. the suspension mechanism of the electro-acoustic conversion device as described in claim 4 or 7 or 9, it is characterised in that the outer pad glues
It is connected to the frame.
14. the suspension mechanism of the electro-acoustic conversion device as any one of claim 1 to 12, it is characterised in that described
Two structural members are the conduct piece identical with the resilient conductive element structure.
15. the suspension mechanism of electro-acoustic conversion device as claimed in claim 13, it is characterised in that second structural member be with
The identical conduct piece of the resilient conductive element structure.
16. the suspension mechanism of electro-acoustic conversion device as claimed in claim 1, it is characterised in that the resilient conductive element is soft
Property circuit board；Alternatively, the resilient conductive element is the elastic component with conducting medium.
17. the suspension mechanism of electro-acoustic conversion device as claimed in claim 1, it is characterised in that the material of the resilient conductive element
Expect for electric silica gel or conductive plastics.
A kind of 18. electro-acoustic conversion device, it is characterised in that including：
Frame, its inner side are connected with vibrating diaphragm；
Magnetic path, it is connected with the frame, formed with accommodating chamber between the magnetic path and the frame；
Suspension mechanism as any one of claim 1~17, it is located in the accommodating chamber, the suspension mechanism connection
In the frame；
Voice coil loudspeaker voice coil, it is located in the accommodating chamber, and the fixing end of the voice coil loudspeaker voice coil is connected to the inner surface of the vibrating diaphragm, the voice coil loudspeaker voice coil
Free end is connected with the suspension mechanism.
19. electro-acoustic conversion device as claimed in claim 18, it is characterised in that the magnetic path includes magnetic bowl, Yi Jiwei
Center magnet in the magnetic bowl center, the top of the center magnet are equipped with center magnet top flat, and the surrounding of the magnetic bowl is set
There is side magnet, magnetopause piece when the top in magnet is equipped with, the voice coil loudspeaker voice coil insertion is by the center magnet and the side magnet
In the magnetic gap of formation.
20. electro-acoustic conversion device as claimed in claim 19, it is characterised in that the side magnet is by two length being oppositely arranged
Magnet and two short magnets being oppositely arranged enclose and set to form rectangular configuration, and the length of the long magnet is more than the length of the short magnet
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128365.8U CN207354586U (en) | 2017-09-05 | 2017-09-05 | Electro-acoustic conversion device and its suspension mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128365.8U CN207354586U (en) | 2017-09-05 | 2017-09-05 | Electro-acoustic conversion device and its suspension mechanism |
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| CN207354586U true CN207354586U (en) | 2018-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396253A (en) * | 2017-09-05 | 2017-11-24 | 奥音科技（北京）有限公司 | Electro-acoustic conversion device and its hitch |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396253A (en) * | 2017-09-05 | 2017-11-24 | 奥音科技（北京）有限公司 | Electro-acoustic conversion device and its hitch |
| CN107396253B (en) * | 2017-09-05 | 2024-01-30 | 奥音科技（镇江）有限公司 | Electroacoustic conversion device and suspension mechanism thereof |
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Effective date of registration: 20220302 Address after: 212000 4 4 Yangtze River Road, Dagang street, Zhenjiang New District, Jiangsu Patentee after: SOUND SOLUTIONS AUSTRIA GmbH Address before: 100176 No. 20 Tongji South Road, Beijing economic and Technological Development Zone, Beijing Patentee before: SOUND SOLUTIONS INTERNATIONAL Co.,Ltd. |
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