CN207304898U - A kind of vibrating diaphragm and vibration component for sound-producing device - Google Patents
A kind of vibrating diaphragm and vibration component for sound-producing device Download PDFInfo
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- CN207304898U CN207304898U CN201721300863.6U CN201721300863U CN207304898U CN 207304898 U CN207304898 U CN 207304898U CN 201721300863 U CN201721300863 U CN 201721300863U CN 207304898 U CN207304898 U CN 207304898U
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- conducting wire
- voice coil
- vibrating diaphragm
- electrically connected
- film layer
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Abstract
It the utility model is related to a kind of vibrating diaphragm and vibration component for sound-producing device.The vibrating diaphragm includes film layer and at least two open traverses, the film layer has ring portion and central part, the ring portion is centered around around the central part, there is vacancy section on the central part, the conducting wire is arranged in the film layer, every conducting wire mutually not directly forms electrical connection, and at least two conducting wires are blocked by the vacancy section.A technical problem to be solved in the utility model is the interference for how reducing signal transmission component to diaphragm oscillations.
Description
Technical field
The utility model belongs to sound-producing device technical field, specifically, the utility model is related to one kind and is used for sound-producing device
Vibrating diaphragm and vibration component.
Background technology
Sound-producing device is the important acoustical device of consumer electronics product, it is used to convert electrical signals into sound.In recent years
Carrying out quickly growing for consumer electronics product, consumer is higher and higher to the performance requirement of electronic product, and electronic product
Application field and environment also become increasingly complex.Under this application requirement, the performance of sound-producing device is also required to improve.
Element of the generally use vibrating diaphragm as vibration sounding in existing sound-producing device, is connected with voice coil loudspeaker voice coil or driving on vibrating diaphragm
Bar, voice coil loudspeaker voice coil or drive rod are used to transmit effect of vibration power to vibrating diaphragm, these components are together vibrated with vibrating diaphragm.Effect of vibration power is usual
There is provided by electromagnetic force, so the driving part such as voice coil loudspeaker voice coil or drive rod needs directly or indirectly to be connected with cable, lead, with
Obtain electric signal.However, during diaphragm oscillations, it is possible to pullled be subject to cable, lead.On the one hand, lead component vibrated
Effect of vibration power, there are the risk of broken string.On the other hand, the effect of pullling of lead can produce interference to vibration of membrane of shaking, and hold
Easily there is vibration imbalance and cause distortion higher.
Thus, it is necessary to be improved to the structure of sound-producing device, drawbacks described above is avoided, and seek one kind to simplify group
Fill step, improve the improvement project of process rate.
Utility model content
One purpose of the utility model is to provide a kind of improved vibrating diaphragm of structure.
One side according to the present utility model, there is provided a kind of vibrating diaphragm for sound-producing device, including film layer and at least
Two open traverses, the film layer have ring portion and central part, and the ring portion is centered around around the central part, the central part
Upper to have vacancy section, the conducting wire is arranged in the film layer, and every conducting wire mutually not directly forms electrical connection, at least two
Zhi Suoshu conducting wires are blocked by the vacancy section.
Alternatively, the film layer includes at least two layers of supporting layer and one layer of damping layer, and the damping layer is positioned at described in two
Between supporting layer；
The traverse layout is in the damping layer；
Alternatively, the traverse layout is on the surface of the supporting layer.
Alternatively, the film layer is pellosil；
The traverse layout is in the silica gel film surface；
Alternatively, the conducting wire injection is laid in the pellosil.
Alternatively, every conducting wire with the formal distribution that is parallel to each other in the film layer.
Alternatively, the quantity for the conducting wire being distributed in the film layer every square centimeter is greater than or equal to 4.
The utility model additionally provides a kind of vibration component, including voice coil loudspeaker voice coil and above-mentioned vibrating diaphragm, and the voice coil loudspeaker voice coil is connected to described
On one side surface of central part, lead to two leads on the voice coil loudspeaker voice coil, two leads respectively with the vacancy section both sides
Conducting wire formed be electrically connected.
Alternatively, at least two electrical connectors are provided with the central part, two electrical connectors are symmetrically distributed in
The both sides of the vacancy section, the electrical connector form with the conducting wire is electrically connected respectively, and each the electrical connector is not mutually
Directly formed and be electrically connected, two leads are connected to the different electrical connectors.
Alternatively, four electrical connectors are provided with the central part, the electrical connector is divided in the form of centrosymmetric
Cloth is around the vacancy section.
Alternatively, the edge in the ring portion is provided with two pads, and two pads are formed with the conducting wire respectively
It is electrically connected, two leads are electrically connected by the conducting wire from different pads respectively.
Alternatively, the edge in the ring portion is provided with two pads, and two pads are formed with the conducting wire respectively
It is electrically connected, two leads pass through be electrically connected electrical connector and form electrical connection from the different pads respectively.
One of the utility model has technical effect that, conducting wire is provided in the vibrating diaphragm, to be connected to leading on vibrating diaphragm
Electrical components provides the condition for being conducted to other components, without the component for being additionally configured to be electrically connected again.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will be made apparent from.
Brief description of the drawings
The attached drawing of a part for constitution instruction describes the embodiment of the utility model, and uses together with the description
In the principle for explaining the utility model.
Fig. 1 is the positive structure schematic for the vibrating diaphragm that the utility model embodiment provides；
Fig. 2 is the structure schematic diagram that the vibration component that the utility model embodiment provides removes voice coil loudspeaker voice coil；
Fig. 3 is the structure schematic diagram for the vibration component that the utility model embodiment provides；
Fig. 4 is the positive structure schematic for the vibration component that the utility model embodiment provides；
Fig. 5 is the explosive view for the vibration component that the utility model embodiment provides.
Embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should be noted that：It is unless another
Illustrate outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as part for specification.
In shown here and discussion all examples, 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 attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
The utility model provides a kind of vibrating diaphragm for sound-producing device, and the vibrating diaphragm includes film layer and at least two are led
Line.As shown in Figure 1, the film layer 1 forms the overall structure shape of vibrating diaphragm, film layer 1 has ring portion 11 and central part 12, described
Ring portion 11 is centered around around the central part 12.The central part 12 is usually in planar structure, and the ring portion 11 then has
Certain bending, for providing the deformation to fluctuate deformation in diaphragm oscillations.Especially, there is hollow out on the central part 12
Area 121.The conducting wire 2 is laid in the film layer 1, and every conducting wire 2 is non-intersect between each other, does not form electrical connection.It is special
Not, the vibrating diaphragm is cut by complete bulk membrane material and is made, and the part conducting wire on the vibrating diaphragm passes through the hollow out originally
The position in area 121.When cutting out the vacancy section 121 in the central part 12, through the conducting wire of 121 position of vacancy section
By severing.One open traverse of script is cut into two open traverses being in the same extension line.
When vibrating diaphragm is applied to sound-producing device, often it is connected with is used for the conductive part for importing voice signal such as voice coil loudspeaker voice coil thereon
Part, these components, which need to be formed with other components, to be electrically connected.The advantages of vibrating diaphragm provided by the utility model, is that conductive component can
It is electrically connected with directly being formed with the conducting wire on vibrating diaphragm, is formed and be electrically connected with other components by the conducting wire and vibrating diaphragm, without again
It is extra that the connecting components such as lead are set, the risk of broken string can be eliminated.Further, in diaphragm oscillations, due to not extra
Connecting component, vibration of membrane of shaking would not also be pulled the interference of active force.Vibrating diaphragm can be more accurately to vibration signal
Vibratory response is made, and then improves the acoustic sensitiveness and performance of sound-producing device.On the other hand, this structure is also eliminated to sound
Arrangement, the fixing step of lead are enclosed, simplifies the assembly technology of vibration component.
Alternatively, the film layer includes at least two layers of supporting layer and at least one layer of damping layer, and the supporting layer carries for film layer
For structural rigidity, vibrating diaphragm made of membrane material is set to shape.The damping layer then provides the vibration performance of stabilization for film layer, is used for
Absorb impact.The damping layer is arranged between two supporting layers, and damping layer is enclosed in intermediate layer by supporting layer.The support
Layer can use the plastic materials such as polyether-ether-ketone to be made, and the damping layer then can fill to be formed using damping glue.
The conducting wire can be laid on the surface of film layer, can also be arranged on inside film layer, the utility model is not to this
Limited.In a kind of embodiment, the conducting wire can be adhesively fixed or be plated in the surface of the film layer, usually
It is provided in the surface of supporting layer.For example, first full wafer conductor material can be fixed in film layer, then further according to needing to lay
Conducting wire lines, remainder is etched away, forms the conducting wire.In another embodiment, the conducting wire can be straight
Connect and be embedded in the damping layer, that is, be folded between two layers of supporting layer.After vibrating diaphragm actually is made, when conducting wire need with it is other
When component forms electrical connection, supporting layer can be made local melting or be open, be electrically connected so that conducting wire forms contact with other components
Connect.
In another embodiment, the film layer can also directly be made of silica gel material, i.e., described vibrating diaphragm is silica gel
Vibrating diaphragm.The conducting wire can be laid in the surface of the pellosil by modes such as bondings.Alternatively, can also be in injection molding silicon
During glued membrane, conducting wire injection is fixed on inside pellosil.The utility model not to the fixed form between conducting wire and pellosil into
Row limitation, those skilled in the art can make choice according to the demand of actual product.
Further, the utility model, which does not limit the film layer, yet specifically has several layers of supporting layers and damping layer.It is most basic
, one layer of damping layer is accompanied between two layers of supporting layer.In other embodiments, such as the film layer can include three layers of support
Layer and two layers of damping layer, across accompanying damping layer described in both sides between the supporting layer.
Preferably, as shown in Figure 1, formal distribution of the conducting wire 2 in the film layer 1 to be parallel to each other.On the one hand, this
Kind distribution mode can simplify the processing technology of membrane material, without making conducting wire surround specific shape in membrane material；On the other hand, have
Have that the membrane material scope of application of the conducting wire for the distribution that is parallel to each other is wider, when being cut to whole membrane material, to cut area, position
The less-restrictive put, and be not easy to cause short circuit problem in sound-producing device.But the utility model is not intended to limit described lead
Line can only parallel distribution in the film layer, can also radially distribute or hollow distribution etc..
Preferably, in areal extent every square centimeter, the quantity for the conducting wire being distributed in the film layer is greater than or equal to 4
Branch.In miniature sound-producing device, the size of vibrating diaphragm and device itself is smaller, and the distribution density of conducting wire is kept within the above range
When, it can make that there is sufficient amount of conducting wire in single vibrating diaphragm, realize and be electrically connected for conductive component.If number of conductors is very few,
Distributing position of the accurate pilot on vibrating diaphragm is then needed, is electrically connected with guaranteeing to realize；If number of conductors is excessive,
Improve the risk for causing short circuit.
Further, the utility model provides a kind of vibration component, and the vibration component includes voice coil loudspeaker voice coil and above-mentioned shakes
Film.As shown in Fig. 3,5, the voice coil loudspeaker voice coil 3 is connected on a side surface of the central part 12, and two are led on the voice coil loudspeaker voice coil 3
Lead 31.This two leads 31 are at least connected respectively on a conducting wire, the conducting wire phase that two leads 31 are connected respectively to
Mutually it is located at the both sides of the vacancy section 121.This two conducting wires can be the conducting wire that is cut in two by the vacancy section or
It is dispensed directly onto the conducting wire of vacancy section both sides.Conducting wire positioned at the vacancy section both sides does not form electrical connection between each other, and
Extend to the different zones position of vibrating diaphragm.It is electrically connected in this way, two leads 31 of voice coil loudspeaker voice coil 3 can be formed from different components,
And then signal circuit is formed, to conduct voice signal into voice coil loudspeaker voice coil 3.
In traditional vibration component, two longer leads of length are led on the voice coil loudspeaker voice coil, two leads are hung respectively
It is located on the housing of sound-producing device, and then is connected to the contact that is electrically connected on housing, realizes that the electric signal to voice coil loudspeaker voice coil turns on.Shaking
During dynamic component operation, voice coil loudspeaker voice coil needs up-down vibration, and voice coil loudspeaker voice coil can be caused to pull active force by being connected to the lead on housing, to sound
The vibration action of circle causes to suppress, and then influences the acoustical behavior of vibration component and sound-producing device.
And in vibration component provided by the utility model, the voice coil loudspeaker voice coil in configuration long lead without being connected to external electrical
Tie point or signal conduction component.The voice coil loudspeaker voice coil is directly conducted by the conducting wire on vibrating diaphragm and external electrical connections.It is described
The edge of vibrating diaphragm is usually securely attached on the housing of sound-producing device, in this way, the conducting wire on vibrating diaphragm can in a contact fashion with
Electrical connection on housing puts to form electrical connection, so as to provide the condition of signal conduction for voice coil loudspeaker voice coil.
Preferably, as shown in Figure 2,3, at least two electrical connectors 4 can be provided with the central part 12.It is described to be electrically connected
Fitting 4, which is used to be formed between voice coil loudspeaker voice coil 3 and conducting wire 2, to be electrically connected.31 equal diameter of lead on the conducting wire 2 and voice coil loudspeaker voice coil 3 is thinner, directly
Connect and to form the electrical connection of contact there are certain difficulty of processing.The electrical connector 4 it is conductive can and conductive area phase
To larger, at least two electrical connectors 4 are symmetricly set on to the both sides of the vacancy section 121, so make electrical connector with it is described
Conducting wire 2, which is formed, to be electrically connected.Especially, electrical connection is not directly formed between each electrical connector.Also, each electrical connector
Also formed and be electrically connected not directly on vibrating diaphragm between the conducting wire being connected to.In this way, each electrical connector can be conducted to
The different region of vibrating diaphragm surrounding.Two leads 31 of voice coil loudspeaker voice coil 3 are connected respectively to the electrical connector 4 positioned at 121 both sides of vacancy section, into
And the unlike signal conductive member of sound-producing device is may be coupled to, to form the conducting of voice signal on voice coil loudspeaker voice coil 3.
As shown in Fig. 2,3,5, four electrical connectors 4 are being provided with the central part 12, and four electrical connectors 4 are with center
Symmetrical distribution mode is arranged on around vacancy section 121.In this embodiment, the vacancy section 121 and vibrating diaphragm are overall
Rounded rectangular configuration, four electrical connectors 4 are respectively on the outside of the turning of vacancy section 121.Especially, as shown in Fig. 2, every
Electrical connector 4 covers three open traverses 2, can be electrically connected with all or part of formed of three open traverse 2 covered.Each it is electrically connected
The conducting wire 2 that fitting 4 is covered guides different positions into, is electrically connected easy to be formed from different signal conduction components.Such as Fig. 3 institutes
Show, two leads 31 of the voice coil loudspeaker voice coil 3 be connected to relative to 121 central symmetry of vacancy section, i.e. 121 both sides of vacancy section two
On a electrical connector 4.
In other embodiments, the electrical connector can also be distributed in the straight flange position of rectangle vacancy section, every electricity
The quantity of connector covering, connection conducting wire can also adjust, and the utility model is limited not to this.Each electricity
Connector is formed with more open traverses and is electrically connected, and can reduce the resistance that voice coil loudspeaker voice coil is electrically connected with external signal conductive member.Every
Mutually it is not connected between conducting wire, is that when electrical connector and external signal conductive member connect be parallel connection, can effectively drop
Low resistance.
Preferably, the electrical connector is flexible PCB.The technique that flexible PCB is assembled on vibrating diaphragm is relatively easy,
The modes such as bonding can be used to connect；And influence smaller of the flexible PCB to diaphragm oscillations.On the other hand, flexible PCB
In circuit be also easier to the conducting wire formed be electrically connected.But the utility model, which is not intended to limit the electrical connector, to be
Flexible PCB, can also select the materials such as metal foil that electrical connector is made.
Preferably, as shown in Fig. 3,4,5, the vibration component can include two pads 5, and the pad 5 is arranged on institute
State the edge in the ring portion 11 of film layer 1.The pad 5 is capable of providing the electrical connection area of bigger, easy to make vibration component with
External signal conductive member, which is formed, to be electrically connected.Two pads 5 form with the conducting wire be electrically connected respectively, two of voice coil loudspeaker voice coil 3
Lead 31 is electrically connected respectively on a pad 5 by the conducting wire again.What two leads 31 connected is different pads 5.This
Sample, by the transition of pad, the voice coil loudspeaker voice coil 3 can be more easily connected to external signal conductive member, reduce the dress of vibration component
Match somebody with somebody, positioning difficulty.In a kind of optional embodiment, the sound-producing device that the vibration component is assembled has two shrapnels,
The shrapnel is as external signal conductive member, for introducing voice signal.When vibration component is assemblied in sound-producing device, two
Branch pad 5 is electrically connected with two shrapnels by contacting to correspond to be formed.Assembling positioning relation makes the position phase of pad 5 and shrapnel
Corresponding, assembling, positioning difficulty are relatively low, and reliability of electrical connection is high.
The above-mentioned improvement feature being excessively electrically connected using pad is suitable for the above-mentioned various embodiment party of the utility model
Formula, can with the configuration of the combinations of features such as electrical connector with the vibration component, the utility model is limited not to this.
Although some specific embodiments of the utility model are described in detail by example, this area
It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of vibrating diaphragm for sound-producing device, it is characterised in that including film layer and at least two open traverses, the film layer has folding
Ring portion and central part, the ring portion are centered around around the central part, have vacancy section on the central part, and the conducting wire is set
Put in the film layer, every conducting wire mutually not directly forms electrical connection, and at least two conducting wires are by the vacancy section
Block.
2. vibrating diaphragm according to claim 1, it is characterised in that the film layer includes at least two layers of supporting layer and one layer of damping
Layer, the damping layer is between two supporting layers；
The traverse layout is in the damping layer；
Alternatively, the traverse layout is on the surface of the supporting layer.
3. vibrating diaphragm according to claim 1, it is characterised in that the film layer is pellosil；
The traverse layout is in the silica gel film surface；
Alternatively, the conducting wire injection is laid in the pellosil.
4. vibrating diaphragm according to claim 1, it is characterised in that every conducting wire is with the formal distribution that is parallel to each other in institute
State in film layer.
5. vibrating diaphragm according to claim 1, it is characterised in that the conducting wire being distributed in the film layer every square centimeter
Quantity is greater than or equal to 4.
6. a kind of vibration component, including the vibrating diaphragm described in one of voice coil loudspeaker voice coil and claim 1-5 are any, the voice coil loudspeaker voice coil is connected to described
On one side surface of central part, lead to two leads on the voice coil loudspeaker voice coil, two leads respectively with the vacancy section both sides
Conducting wire formed be electrically connected.
7. vibration component according to claim 6, it is characterised in that at least two electrical connections are provided with the central part
Part, two electrical connectors are symmetrically distributed in the both sides of the vacancy section, and the electrical connector is formed with the conducting wire respectively
Be electrically connected, each electrical connector not directly forms mutually electricals connection, two leads be connected to it is different described in be electrically connected
Fitting.
8. vibration component according to claim 7, it is characterised in that four electrical connectors are provided with the central part,
The electrical connector is with centrosymmetric formal distribution around the vacancy section.
9. vibration component according to claim 6, it is characterised in that the edge in the ring portion is provided with two pads,
Two pads form with the conducting wire be electrically connected respectively, and two leads pass through the conducting wire and different pads respectively
It is electrically connected.
10. the vibration component according to claim 7 or 8, it is characterised in that the edge in the ring portion is provided with two welderings
Disk, two pads form with the conducting wire be electrically connected respectively, and two leads pass through be electrically connected electrical connection respectively
Part is formed from the different pads and is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300863.6U CN207304898U (en) | 2017-10-10 | 2017-10-10 | A kind of vibrating diaphragm and vibration component for sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300863.6U CN207304898U (en) | 2017-10-10 | 2017-10-10 | A kind of vibrating diaphragm and vibration component for sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304898U true CN207304898U (en) | 2018-05-01 |
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ID=62413683
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721300863.6U Active CN207304898U (en) | 2017-10-10 | 2017-10-10 | A kind of vibrating diaphragm and vibration component for sound-producing device |
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| CN (1) | CN207304898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829247B (en) * | 2022-07-15 | 2024-01-11 | 富祐鴻科技股份有限公司 | Electrical connection structure of micro loudspeaker |
-
2017
- 2017-10-10 CN CN201721300863.6U patent/CN207304898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829247B (en) * | 2022-07-15 | 2024-01-11 | 富祐鴻科技股份有限公司 | Electrical connection structure of micro loudspeaker |
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