CN208509252U - Centring disk and electroacoustic device - Google Patents
Centring disk and electroacoustic device Download PDFInfo
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- CN208509252U CN208509252U CN201821068007.7U CN201821068007U CN208509252U CN 208509252 U CN208509252 U CN 208509252U CN 201821068007 U CN201821068007 U CN 201821068007U CN 208509252 U CN208509252 U CN 208509252U
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- fixed part
- insulating film
- film layer
- linking arm
- centring disk
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Abstract
The utility model discloses a kind of centring disk and electroacoustic device, wherein, centring disk includes: branch piece ontology, with first surface, and the linking arm including the first fixed part, the second fixed part in first fixed part and connection first fixed part and second fixed part, the linking arm includes intersecting in a first direction in two first linking arms being oppositely arranged and two second linking arms being oppositely arranged in a second direction, the first direction with the second direction；And first insulating film layer, cover the part first surface of the first surface and second linking arm in first linking arm.The technical solution of the utility model can reduce the resonant noise of the electroacoustic device with the centring disk.
Description
Technical field
The utility model relates to electroacoustic equipment technical field, in particular to a kind of centring disk and electroacoustic device.
Background technique
In electroacoustic device product (such as loudspeaker or receiver), product polarization can reduce using centring disk,
Audition yield is higher, is more advantageous to and adjusts product amplitude.In addition, the linking arm due to centring disk is vibrated instead of voice coil leads,
There is no broken string risks, so pure copper wire or copper-clad aluminum conductor can be used in voice coil, to promote properties of product.However, centering branch
There is vibration frequency inherently in the linking arm of piece, lead to the vibration of electroacoustic device due to centring disk resonance in resonance point
There is resonance in system, in this way, will lead to electroacoustic device has larger resonant noise when there is resonance peak excessively high phenomenon, and
Influence the properties of product of electroacoustic device.
Utility model content
The main purpose of the utility model is to propose a kind of centring disk, it is intended to which reducing, there is the electroacoustic of the centring disk to fill
The resonant noise set.
To achieve the above object, the utility model proposes centring disk include:
Branch piece ontology has first surface, and second including the first fixed part, in first fixed part is fixed
The linking arm of portion and connection first fixed part and second fixed part, the linking arm include being in a first direction
Two first linking arms being oppositely arranged and two second linking arms being oppositely arranged in a second direction, the first direction and institute
State second direction intersection；And
First insulating film layer covers the part of the first surface and second linking arm in first linking arm
First surface.
Optionally, on second linking arm, it is covered with the length of the part first surface of first insulating film layer
Total length for L1, the first surface of second linking arm is L2, and relationship: 0 < L1/L2 is met between the L1 and the L2
< 1.
Optionally, meet relationship between the L1 and the L2: L1/L2=0.5.
Optionally, the first surface of first fixed part is also covered with the first insulating film layer；
The first insulating film layer and described first on the first surface of first linking arm and second linking arm is solid
The first insulating film layer determined on the first surface in portion is integrally formed.
Optionally, first fixed part and second fixed part are in rectangle setting, the first linking arm connection
Between first fixed part and the long side of second fixed part, second linking arm is connected to first fixed part
Between the short side of second fixed part.
Optionally, first fixed part and second fixed part are in rectangle setting, the first linking arm connection
Between first fixed part and the short side of second fixed part, second linking arm is connected to first fixed part
Between the long side of second fixed part.
Optionally, the branch piece ontology includes the second insulating film layer being cascading, glue layer, conductive layer and
Three insulating film layers, the outer surface of the third insulating film layer are the first surface of the branch piece ontology.
Optionally, first insulating film layer is connect by another glue layer with the third insulating film layer.
Optionally, first insulating film layer, second insulating film layer and the third insulating film layer are disposed as height
Molecular material layer, the conductive layer are set as copper foil layer.
The utility model also proposes a kind of electroacoustic device, comprising:
Auxiliary system is formed with accommodating chamber；
Magnetic circuit system is installed on the accommodating chamber；
Vibrational system is installed on the accommodating chamber, and including combined vibrating diaphragm, centring disk above-mentioned and sound
Circle.
The technical solution of the utility model is all covered with the first insulating film layer by the first surface in the first linking arm,
And the first insulating film layer only is covered in the part first surface of the second linking arm, it can reduce simultaneously on centring disk THD curve
Two resonance peaks, in this way, the resonance peak after reducing can be by the sound of electroacoustic device after the centring disk is assembled into electroacoustic device
Damping is low or completely disappears, to improve the properties of product of electroacoustic device.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model centring disk；
Fig. 2 is the schematic cross-section of the second fixed part of centring disk in Fig. 1；
Fig. 3 is the schematic cross-section being covered on the second linking arm of centring disk at the first insulating film layer in Fig. 1；
Fig. 4 is the structural schematic diagram of another embodiment of the utility model centring disk；
Fig. 5 is the THD curve graph of the utility model centring disk.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | First fixed part | 20 | Second fixed part |
| 31 | First linking arm | 32 | Second linking arm |
| 41 | First insulating film layer | 42 | Conductive layer |
| 43a, 43b | Glue layer | 44 | Second insulating film layer |
| 45 | Third insulating film layer |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of centring disks.
Referring to Fig.1, in an embodiment of the utility model, which includes:
Branch piece ontology has first surface, and second including the first fixed part 10, in the first fixed part 10 is fixed
Portion 20 and the linking arm for connecting the first fixed part 10 and the second fixed part 20, the linking arm include in a first direction in opposite
Two first linking arms 31 being arranged and two second linking arms 32 being oppositely arranged in a second direction, the first direction and institute
State second direction intersection；And
First insulating film layer 41 covers the part of the first surface and the second linking arm 32 in the first linking arm 31
One surface.
Without loss of generality, in the present embodiment, the first direction perpendicular to or closely perpendicular to the second direction.The centering
Branch piece can be applied in electroacoustic device, and combines with the vibrating diaphragm of electroacoustic device and voice coil and form vibrational system.The present embodiment
In, the first surface of branch piece ontology can be the surface towards vibrating diaphragm, be also possible to backwards to the surface of vibrating diaphragm, the utility model pair
This is not construed as limiting.
Referring to Fig. 5, the curve a in the THD curve graph is equal for the first surface of the first linking arm 31 and the second linking arm 32
All it is covered with THD curve when the first insulating film layer 41；Curve b is then that the first surface of the first linking arm 31 is all covered with
First insulating film layer 41, and THD curve of second linking arm 32 when only part first surface is covered with the first insulating film layer 41.By
There is vibration frequency inherently in linking arm, causes vibrational system to occur humorous due to centring disk resonance in resonance point
Vibration, such as the curve a and curve b in Fig. 5, each comfortable corresponding frequency point will form that there are two resonance peaks.It can from Fig. 5
Out, two resonance peaks of curve b are below two resonance peaks of curve a, i other words, pass through the first table in the first linking arm 31
Face is all covered with the first insulating film layer 41, and only covers the first insulating film layer in the part first surface of the second linking arm 32
41, two resonance peaks on centring disk THD curve can be reduced simultaneously, in this way, after the centring disk is assembled into electroacoustic device,
Resonance peak after it is reduced can be forced down or be completely disappeared by the acoustic resistance of electroacoustic device, to improve the product of electroacoustic device
Energy.
In the present embodiment, linking arm is usually elongated, so that linking arm obtains biggish amplitude.Further, exist
On second linking arm 32, the length for being covered with the part first surface of the first insulating film layer 41 is L1, the of the second linking arm 32
The total length on one surface is L2, and relationship: 0 < L1/L2 < 1 is met between L1 and L2.Right the design is without being limited thereto, in other implementations
In example, especially when linking arm has wider form, the first insulating film layer 41 can also be only in 32 width side of the second linking arm
Upward part first surface is covered.In the present embodiment, it is preferable that meet relationship between L1 and L2: L1/L2=0.5, i.e.,
It is to say, the first surface of 41 the second linking arm of half mulching 32 of the first insulating film layer, at this point, two on centring disk THD curve
Resonance peak can be effectively reduced.
In the present embodiment, normally, the first surface of the first fixed part 10 is also covered with the first insulating film layer 41.Further
First of the first insulating film layer 41 and the first fixed part 10 on the first surface of ground, the first linking arm 31 and the second linking arm 32
The first insulating film layer 41 on surface is integrally formed, in this way, compared to the first table of the first linking arm 31 and the second linking arm 32
The technical side that the first insulating film layer 41 on face and the first insulating film layer 41 on the first surface of the first fixed part 10 are spaced
Case, the technical program are conducive to production and realize.
Referring to Fig.1, in the present embodiment, further, the first fixed part 10 and the second fixed part 20 are arranged in rectangle, the
One linking arm 31 is connected between the first fixed part 10 and the short side of the second fixed part 20, and it is solid that the second linking arm 32 is connected to first
Determine between portion 10 and the long side of the second fixed part 20；I other words the first surface of the linking arm on the short side of the centring disk is complete
Portion is covered with the first insulating film layer 41, and only first surface radiation in part has first absolutely the linking arm in the long side of the centring disk
Velum layer 41.
Right the design is without being limited thereto, in other embodiments, referring to Fig. 4, in the first fixed part 10 and the second fixed part 20
When being respectively provided in rectangle, the first surface of the linking arm in the long side of the centring disk can also be made all to be covered with the first insulating film
Layer 41, and make linking arm on the short side of the centring disk only first surface radiation in part has the first insulating film layer 41；I other words
Being connected to is first linking arm 31 between the first fixed part 10 and the long side of the second fixed part 20, and it is solid to be connected to first
Determine to be second linking arm 32 between portion 10 and the short side of the second fixed part 20.
Referring to Fig. 2 and Fig. 3, in the present embodiment, further, branch piece ontology includes the second insulation being cascading
Film layer 44, glue layer 43a, conductive layer 42 and third insulating film layer 45, in this way, the two sides of conductive layer 42 can be obtained it is good
Insulation protection.In the present embodiment, the outer surface of the third insulating film layer 45 is the first surface of branch piece ontology；I other words first
Insulating film layer 41 is covered on the third insulating film layer 45 of the first fixed part 10, the first linking arm 31 and the second linking arm 32.
Preferably, the first insulating film layer 41, the second insulating film layer 44 and third insulating film layer 45 are disposed as macromolecule material
The bed of material can be, but not limited to the polyimide layer for being set as having good insulation properties and high-temperature stability；Conductive layer 42 is then set
It is set to the good copper foil layer of electric conductivity, certainly, conductive layer 42 may be arranged as other conductive metal layers or electric conductivity
Good radio frequency layer.
In the present embodiment, further, the first insulating film layer 41 passes through another glue layer 43b and third insulating film layer 45
Connection, in order to which the first insulating film layer 41 is in the combination of third insulating film layer 45.Right the design is without being limited thereto, in other embodiments
In, the connection of the first insulating film layer 41 and the second insulating film layer 44 can also be realized by way of hot pressing or others.
The utility model also proposes a kind of electroacoustic device, which includes:
Auxiliary system is formed with accommodating chamber；
Magnetic circuit system is installed on the accommodating chamber；
Vibrational system is installed on the accommodating chamber, and including combined vibrating diaphragm, centring disk and voice coil.
The specific structure of the centring disk is referring to above-described embodiment, since this electroacoustic device uses above-mentioned all embodiments
Whole technical solutions, therefore at least with above-described embodiment technical solution brought by all beneficial effects, herein no longer
It repeats one by one.
In the utility model, which can be loudspeaker, be also possible to receiver；The electroacoustic device can be applied
To the electronic device with receiver and/or loudspeaker, such electronic device can be, but not limited to be the electronics such as mobile phone, IPAD
Equipment.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of centring disk characterized by comprising
Branch piece ontology, have first surface, and including the first fixed part, the second fixed part in first fixed part,
And the linking arm of connection first fixed part and second fixed part, the linking arm include in a first direction in opposite
Two first linking arms being arranged and two second linking arms being oppositely arranged in a second direction, the first direction and described the
The intersection of two directions；And
First insulating film layer covers the part first of the first surface and second linking arm in first linking arm
Surface.
2. centring disk as described in claim 1, which is characterized in that on second linking arm, be covered with described first
The length of the part first surface of insulating film layer is L1, and the total length of the first surface of second linking arm is L2, the L1
Meet relationship: 0 < L1/L2 < 1 between the L2.
3. centring disk as claimed in claim 2, which is characterized in that meet relationship between the L1 and the L2: L1/L2=
0.5。
4. centring disk as described in claim 1, which is characterized in that the first surface of first fixed part is also covered with
One insulating film layer；
The first insulating film layer and first fixed part on the first surface of first linking arm and second linking arm
First surface on the first insulating film layer be integrally formed.
5. centring disk as described in claim 1, which is characterized in that first fixed part and second fixed part are in
Rectangle setting, first linking arm is connected between first fixed part and the long side of second fixed part, and described the
Two linking arms are connected between first fixed part and the short side of second fixed part.
6. centring disk as described in claim 1, which is characterized in that first fixed part and second fixed part are in
Rectangle setting, first linking arm is connected between first fixed part and the short side of second fixed part, and described the
Two linking arms are connected between first fixed part and the long side of second fixed part.
7. such as centring disk as claimed in any one of claims 1 to 6, which is characterized in that the branch piece ontology includes stacking gradually
The second insulating film layer, glue layer, conductive layer and the third insulating film layer being arranged, the outer surface of the third insulating film layer is described
The first surface of branch piece ontology.
8. centring disk as claimed in claim 7, which is characterized in that first insulating film layer by another glue layer with
The third insulating film layer connection.
9. centring disk as claimed in claim 7, which is characterized in that first insulating film layer, second insulating film layer
It is disposed as polymer material layer with the third insulating film layer, the conductive layer is set as copper foil layer.
10. a kind of electroacoustic device characterized by comprising
Auxiliary system is formed with accommodating chamber；
Magnetic circuit system is installed on the accommodating chamber；
Vibrational system is installed on the accommodating chamber, and including combined vibrating diaphragm, voice coil and as claim 1 to 9 is any
Centring disk described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068007.7U CN208509252U (en) | 2018-07-06 | 2018-07-06 | Centring disk and electroacoustic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821068007.7U CN208509252U (en) | 2018-07-06 | 2018-07-06 | Centring disk and electroacoustic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208509252U true CN208509252U (en) | 2019-02-15 |
Family
ID=65283506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821068007.7U Active CN208509252U (en) | 2018-07-06 | 2018-07-06 | Centring disk and electroacoustic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208509252U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982219A (en) * | 2019-04-04 | 2019-07-05 | 朱达云 | Conductive plane bullet wave and bone-conduction speaker |
| CN110933576A (en) * | 2020-02-20 | 2020-03-27 | 共达电声股份有限公司 | Centering support piece and loudspeaker with same |
| CN111225323A (en) * | 2020-04-24 | 2020-06-02 | 共达电声股份有限公司 | Centering support piece and loudspeaker |
-
2018
- 2018-07-06 CN CN201821068007.7U patent/CN208509252U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982219A (en) * | 2019-04-04 | 2019-07-05 | 朱达云 | Conductive plane bullet wave and bone-conduction speaker |
| CN110933576A (en) * | 2020-02-20 | 2020-03-27 | 共达电声股份有限公司 | Centering support piece and loudspeaker with same |
| CN111225323A (en) * | 2020-04-24 | 2020-06-02 | 共达电声股份有限公司 | Centering support piece and loudspeaker |
| CN111225323B (en) * | 2020-04-24 | 2020-08-28 | 共达电声股份有限公司 | Centering support piece and loudspeaker |
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