CN205921742U - Electroacoustic device - Google Patents
Electroacoustic device Download PDFInfo
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- CN205921742U CN205921742U CN201620656144.7U CN201620656144U CN205921742U CN 205921742 U CN205921742 U CN 205921742U CN 201620656144 U CN201620656144 U CN 201620656144U CN 205921742 U CN205921742 U CN 205921742U
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- voice coil
- coil loudspeaker
- loudspeaker voice
- main body
- electro
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Abstract
The utility model provides an electroacoustic device, including the voice coil loudspeaker voice coil main part, the symmetry is located 4 damping element in the voice coil loudspeaker voice coil main part outside locate the voice coil loudspeaker voice coil main part with 4 FPC pads between the damping element, and follow the voice coil loudspeaker voice coil main part outside draw forth direct with FPC solder connection and the voice coil loudspeaker voice coil lead wire that need not buckle. Among the electroacoustic device, voice coil loudspeaker voice coil lead wire need not buckle direct with the welding of FPC pad is so can avoid the voice coil loudspeaker voice coil goes between because of the fatigue breaking occur of buckling, in addition, damping element is right the damping effect is played to the voice coil loudspeaker voice coil main part, so can mitigate the vibration that the voice coil loudspeaker voice coil main part produced at the during operation makes the voice coil loudspeaker voice coil main part is keep balance in the work engineering, improves the tone quality effect and the life of voice coil loudspeaker voice coil main part.
Description
Technical field
This utility model is related to electro-acoustic element technical field, particularly to a kind of electro-acoustic element.
Background technology
Voice coil loudspeaker voice coil is the important component part of Minimized electro-acoustic device, directly affects the sound pressure frequency characteristic of Minimized electro-acoustic device,
Bear power and service life.
At present, in prior art, Minimized electro-acoustic device typically lacks centring disk, and the magnetic structure of inside also unlike
Common electro-acoustic element is like that symmetrically so that Minimized electro-acoustic device is more prone to wave than common electro-acoustic element and vibrates, mainly
The reason be because the internal voice coil loudspeaker voice coil magnetic flux density everywhere of Minimized electro-acoustic device is unbalanced, lead to voice coil loudspeaker voice coil discontinuity equalization to produce
Wave, voice coil loudspeaker voice coil produces and waves that to lead to touch magnet steel, amplitude unbalanced or the problems such as sound is husky simultaneously.Further, since miniature electro-acoustic device
The structure of part limits, and connecting lead wire generally requires to be attached voice coil loudspeaker voice coil with pad after bending process, when voice coil loudspeaker voice coil exists
When producing up-down vibration under excitation drives, lead is easily made to rupture in bending place, thus leading to Minimized electro-acoustic device
Cisco unity malfunction.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of electro-acoustic element of prevention wire breaking.
A kind of electro-acoustic element, including voice coil loudspeaker voice coil main body, is symmetrically set in 4 damping elements outside described voice coil loudspeaker voice coil main body, located at
4 fpc pads between described voice coil loudspeaker voice coil main body and described damping element, and draw direct and described outside described voice coil loudspeaker voice coil main body
Fpc pad connects and is not required to the voice coil leads bending；
Described voice coil loudspeaker voice coil main body is " endless track " shape structure, and described voice coil loudspeaker voice coil main body includes 2 longer first sides, 2
Shorter second side, and connect the curved surface of described first side and described second side；
2 described fpc pads are arranged with each described first side, and described fpc pad is located near described song
The one end in face.
Compare prior art, in electro-acoustic element described in the utility model, it is direct and described that described voice coil leads are not required to bending
Fpc pad solder is it is possible to avoid described voice coil leads to rupture because of bending fatigue, additionally, described damping element pair
Described voice coil loudspeaker voice coil main body plays damping effect it is possible to relax the vibration that operationally produces of described voice coil loudspeaker voice coil main body so that described sound
Circle main body keeps balancing in work process, improves acoustical quality and the service life of described voice coil loudspeaker voice coil main body.
Further, described fpc pad includes first end and the second end being connected with described first end, described first end with
The outside of described first side is fixed by spot welding mode, and one end of described second end and described damping element is by spot welding mode
Fix, and described voice coil leads are fixed by spot welding mode with described first end.
Further, described fpc pad is made using double pads, plated dielectric technique.
Further, described damping element is spring.
Further, described electro-acoustic element also includes support, and described support is rectangular configuration, and the centre of described support is provided with
Through hole, the cross sectional shape of described through hole is similar to the cross sectional shape of described voice coil loudspeaker voice coil main body, and described through hole with diameter greater than described
The external diameter of voice coil loudspeaker voice coil main body, the other end of described damping element is connected with the side wall of described through hole.
Further, described electro-acoustic element also includes vibrating diaphragm, and described vibrating diaphragm includes the first planar portions, the second planar portions, and
Connection curved face part between described first planar portions and described second planar portions, described first planar portions and described voice coil loudspeaker voice coil master
Body is glued to be connected, and described second planar portions are connected with described support gluing.
Further, the described protrusion direction dorsad described voice coil loudspeaker voice coil main body connecting curved face part.
Further, described damping element is " s " type structure, and described damping element is made using memory metal material.
Brief description
Fig. 1 is the structural representation of electro-acoustic element in this utility model first embodiment.
Fig. 2 is the structural representation after removing vibrating diaphragm in Fig. 1.
Fig. 3 is the left view of vibrating diaphragm in Fig. 1.
Fig. 4 is the structural representation of damping element in this utility model second embodiment.
Want component symbol explanation
Following specific embodiment will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.
Specific embodiment
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is more fully retouched
State.Some embodiments of the present utility model are given in accompanying drawing.But, this utility model can come real in many different forms
Existing however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments to be to make to public affairs of the present utility model
Open content more thoroughly comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
" right " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.In term used in the description of the present utility model it is simply herein
The purpose of description specific embodiment is it is not intended that in limiting this utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
Refer to Fig. 1 and Fig. 2, a kind of electro-acoustic element that this utility model embodiment provides, including voice coil loudspeaker voice coil main body 10, with institute
State the glued vibrating diaphragm 11 connecting of voice coil loudspeaker voice coil main body 10, vertical symmetry, located at the fpc pad 12 in described voice coil loudspeaker voice coil main body 10 outside, connects institute
State the voice coil leads 13 of voice coil loudspeaker voice coil main body 10 and described fpc pad 12, the damping element 14 being connected with described fpc pad 12, and with
The support 15 that described damping element 14 connects.
Described voice coil loudspeaker voice coil main body 10 is " endless track " shape structure, and described voice coil loudspeaker voice coil main body 10 includes 2 longer first sides
101,2 shorter second sides 102, and connect the curved surface 103 of described first side 101 and described second side 102.
It should be understood that in other embodiments, described voice coil loudspeaker voice coil main body 10 is axially symmetric structure.
It is arranged with 2 described fpc pads 12 in each described first side 101 of described voice coil loudspeaker voice coil main body 10, and described
Fpc pad 12 is located at the one end near described curved surface 103, and described fpc pad 12 is made using double pads, plated dielectric technique.
Described fpc pad 12 includes first end 121 and the second end 122 being connected with described first end 121, described first end 121 and institute
The outside stating first side 101 is fixed by spot welding mode.
It should be understood that in other embodiments, the number of described fpc pad 12 is the even number not less than 4, described fpc
Pad 12 is symmetrically set in the outside of described voice coil loudspeaker voice coil main body 10.
Described support 15 is rectangular configuration, and the centre of described support 15 is provided with through hole 151, the section shape of described through hole 151
Shape is similar to the cross sectional shape of described voice coil loudspeaker voice coil main body 10, and the external diameter with diameter greater than described voice coil loudspeaker voice coil main body 10 of described through hole 151.
The number of described damping element 14 is identical with the number of described fpc pad 12, and described damping element 14 is spring.Institute
State one end of damping element 14 and described second end 122 is fixed by spot welding mode, the other end of described damping element 14 and institute
The side wall stating through hole 151 connects.Angle between the axis of described damping element 14 and the normal of described second side 102 is sharp
Angle.
Described voice coil leads 13, after described voice coil loudspeaker voice coil main body 10 outside is drawn, are not required to bend direct and described first end 121
Connect, then be electrically connected with described damping element 14, thus realizing conducting function, simultaneously with the external world by described fpc pad 12
It is conductively connected.
Refer to Fig. 1 and Fig. 3, described vibrating diaphragm 11 includes the first planar portions 111, the second planar portions 112, and located at described
Connection curved face part 113 between one planar portions 111 and described second planar portions 112, described first planar portions 111 and described voice coil loudspeaker voice coil
Main body 10 is glued to be connected, and described second planar portions 112 are connected with described support 15 gluing, the described projection connecting curved face part 113
Direction dorsad described voice coil loudspeaker voice coil main body 10.
To sum up, in this utility model above-described embodiment, described voice coil leads 13 are not required to bend direct and described fpc pad 12
Welding, then be connected with described damping element 14 by described fpc pad 12 it is possible to avoid described voice coil leads 13 because of bending
Fatigue and rupture.Additionally, 4 described damping elements 14 are symmetrically set in the outside of described voice coil loudspeaker voice coil main body 10, to described voice coil loudspeaker voice coil
10 damping effects of main body are it is possible to relax the vibration that operationally produces of described voice coil loudspeaker voice coil main body 10 so that described voice coil loudspeaker voice coil master
Body 10 keeps balancing in work process, improves acoustical quality and the service life of described voice coil loudspeaker voice coil main body 10.
Refer to Fig. 4, a kind of damping element 14a providing for this utility model second embodiment, described in the present embodiment
Damping element 14a is more or less the same with damping element 14 described in first embodiment, and difference is in the present embodiment, described subtracts
The element 14a that shakes is " s " type structure, and described damping element 14a is made using memory metal material, and described damping element 14a is to institute
State 10 damping effects of voice coil loudspeaker voice coil main body.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that it is common for this area
For technical staff, without departing from the concept of the premise utility, some deformation can also be made and improve, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (8)
1. a kind of electro-acoustic element, including voice coil loudspeaker voice coil main body it is characterised in that: be symmetrically set in 4 vibration dampings outside described voice coil loudspeaker voice coil main body
Element, located at 4 fpc pads between described voice coil loudspeaker voice coil main body and described damping element, and draws outside described voice coil loudspeaker voice coil main body
Directly it is connected and is not required to the voice coil leads bending with described fpc pad；
Described voice coil loudspeaker voice coil main body is " endless track " shape structure, and described voice coil loudspeaker voice coil main body includes 2 longer first sides, and 2 shorter
Second side, and the curved surface connecting described first side and described second side；
2 described fpc pads are arranged with each described first side, and described fpc pad is located near described curved surface
One end.
2. electro-acoustic element according to claim 1 is it is characterised in that described fpc pad includes first end and with described
The second end that one end connects, the outside of described first end and described first side is fixed by spot welding mode, described second end and
One end of described damping element is fixed by spot welding mode, and described voice coil leads are solid by spot welding mode with described first end
Fixed.
3. electro-acoustic element according to claim 1 is it is characterised in that described fpc pad is using double pad, plated dielectric works
Skill is made.
4. electro-acoustic element according to claim 1 is it is characterised in that described damping element is spring.
5. electro-acoustic element according to claim 1 is it is characterised in that described electro-acoustic element also includes support, described support
For rectangular configuration, the centre of described support is provided with through hole, the cross sectional shape of the cross sectional shape of described through hole and described voice coil loudspeaker voice coil main body
Similar, and the external diameter with diameter greater than described voice coil loudspeaker voice coil main body of described through hole, the other end of described damping element and described through hole
Side wall connects.
6. electro-acoustic element according to claim 5 is it is characterised in that described electro-acoustic element also includes vibrating diaphragm, described vibrating diaphragm
Including the first planar portions, the second planar portions, and the connection curved surface between described first planar portions and described second planar portions
Portion, described first planar portions are connected with described voice coil loudspeaker voice coil main body gluing, and described second planar portions are connected with described support gluing.
7. electro-acoustic element according to claim 6 is it is characterised in that the protrusion direction of described connection curved face part is dorsad described
Voice coil loudspeaker voice coil main body.
8. it is characterised in that further, described damping element is that " s " type is tied to electro-acoustic element according to claim 1
Structure, described damping element is made using memory metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656144.7U CN205921742U (en) | 2016-06-28 | 2016-06-28 | Electroacoustic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620656144.7U CN205921742U (en) | 2016-06-28 | 2016-06-28 | Electroacoustic device |
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| Publication Number | Publication Date |
|---|---|
| CN205921742U true CN205921742U (en) | 2017-02-01 |
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ID=57874391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620656144.7U Active CN205921742U (en) | 2016-06-28 | 2016-06-28 | Electroacoustic device |
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|---|---|
| CN (1) | CN205921742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019223320A1 (en) * | 2018-05-21 | 2019-11-28 | 歌尔股份有限公司 | Sound production apparatus and electronic device |
-
2016
- 2016-06-28 CN CN201620656144.7U patent/CN205921742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019223320A1 (en) * | 2018-05-21 | 2019-11-28 | 歌尔股份有限公司 | Sound production apparatus and electronic device |
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| GR01 | Patent grant |