CN208609182U - A kind of sounding device - Google Patents
A kind of sounding device Download PDFInfo
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- CN208609182U CN208609182U CN201821416743.7U CN201821416743U CN208609182U CN 208609182 U CN208609182 U CN 208609182U CN 201821416743 U CN201821416743 U CN 201821416743U CN 208609182 U CN208609182 U CN 208609182U
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- magnetic circuit
- sounding device
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Abstract
The utility model relates to a kind of sounding devices.Including vibrational system and magnetic circuit system, the vibrational system includes vibrating diaphragm, voice coil and centring disk, the magnetic circuit system has structure interval, one end of the voice coil is protruded into the structure interval, the centring disk includes the vibration section being supported to voice coil that is connected with the voice coil, positioned at the vibration section outside for realizing fixed fixed part and the connection vibration section and fixed part cantilever, the outside of the fixed part, which is extended, the interconnecting piece positioned at sounding device side, and it is connect with the interconnecting piece and is fixed on the welding disk on magnetic circuit system, the medial surface of the interconnecting piece or/and the welding disk is equipped with metal reinforcement part.One of the utility model has technical effect that centring disk can effectively support vibrational system in the utility model, reduces sounding monomer and polarizes.
Description
Technical field
The utility model relates to electroacoustic switch technologies, more specifically, the utility model relates to a kind of sounding devices.
Background technique
Loudspeaker is the important acoustic element in electronic equipment, is a kind of energy converter for electric signal being changed into acoustical signal
Part.Existing loudspeaker mould group includes shell, and magnetic circuit system inside the shell and vibrational system is arranged.The magnetic of loudspeaker
Road system can be using single magnetic structure, two magnetic route structure, three magnetic structures or well-known to those skilled in the art other
Structure.
Wherein, the polarization problem of coil-moving speaker is always the technical problem for being very difficult to solve.In order to solve to polarize
The problem of, the lower surface of vibrating diaphragm is usually provided with centring disk.Centring disk usually fits together with vibrating diaphragm, centring disk
It is bonded between vibrating diaphragm and voice coil or vibrating diaphragm upside, the setting difficulty of centring disk is big.
Therefore, it is necessary to provide a kind of improved sounding device.
Utility model content
One purpose of the utility model is to provide a kind of new solution of sounding device.
One aspect according to the present utility model provides a kind of sounding device, including vibrational system and magnetic circuit system, described
Vibrational system includes vibrating diaphragm, voice coil and centring disk, and the magnetic circuit system has structure interval, and institute is protruded into one end of the voice coil
State in structure interval, the centring disk include be connected with the voice coil vibration section that voice coil is supported, be located at the vibration
Cantilever of the outside in dynamic portion for realizing fixed fixed part and the connection vibration section and fixed part, the outside of the fixed part
Being extended has the interconnecting piece positioned at sounding device side, and connect and be fixed on magnetic circuit system with the interconnecting piece
The medial surface of welding disk, the interconnecting piece or/and the welding disk is equipped with metal reinforcement part.
Optionally, the upper surface of the fixed magnetic circuit system of the vibrating diaphragm of the vibrational system, the vibrating diaphragm and the magnetic circuit
System surrounds the inner cavity of sounding device.
Optionally, the fixed position of the centring disk is between the edge and the magnetic circuit system of the vibrating diaphragm.
Optionally, washer is additionally provided between the fixed part of the centring disk and the magnetic circuit system.
Optionally, the magnetic circuit system includes conductive magnetic yoke, is fixed on the center magnetic path component and side magnetic of conductive magnetic yoke upper surface
Circuit unit, the magnet when magnetic circuit component includes and magnetic conductive board when set on cricoid above magnet；
The connecting portion in the side of the side magnetic conductive board, the welding disk be fixed on the side magnetic conductive board away from institute
On the surface for stating vibrating diaphragm side.
Optionally, the metal reinforcement part is connected on the side magnetic conductive board by being bonded and being welded and fixed.
Optionally, the medial surface of the welding disk is equipped with the first metal reinforcement part, and the first metal reinforcement part passes through
Laser welding process be fixed on the side magnetic conductive board on the surface of the vibrating diaphragm side.
Optionally, the medial surface of the interconnecting piece is equipped with the second metal reinforcement part, and the second metal reinforcement part passes through
Laser welding process is fixed on the side of the side magnetic conductive board.
It is optionally, jagged in position corresponding with the second metal reinforcement part evacuation setting on the side magnetic conductive board,
The second metal reinforcement part is located in the notch.
Optionally, the appearance profile of the metal reinforcement part is greater than the shape wheel of the welding disk or/and the interconnecting piece
It is wide.
One of the utility model has technical effect that centring disk can effectively support vibration system in the utility model
System reduces sounding monomer and polarizes.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description
In explanation the principles of the present invention.
Fig. 1 is partial structural diagram in sounding device in some embodiments.
Fig. 2 is the partial enlargement structural representation in Fig. 1 at A.
Fig. 3 is the structural schematic diagram of centring disk in some embodiments.
Fig. 4 is partial structural diagram in sounding device in other embodiments.
Fig. 5 is the partial enlargement structural representation in Fig. 4 at B.
In figure: 1 centring disk, 11 vibration sections, 12 fixed parts, 13 cantilevers, 14 interconnecting pieces, 15 welding disks, 16 first metals
Reinforcing member, the 17, second metal reinforcement part, 18 laser solder joints, 2 magnetic circuit systems, 21 conductive magnetic yokes, 22 side magnet, 23 side magnetic conductive boards, 24
Notch, 3 vibrating diaphragms, 4 washers.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another
It illustrates 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.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
One aspect according to the present utility model, the utility model provides a kind of sounding device, as shown in Fig. 1-5,
Including vibrational system and magnetic circuit system 2.The vibrational system includes vibrating diaphragm 3, voice coil and centring disk 1.The magnetic circuit system 2 has
There is structure interval, for generating magnetic gap by the permanent magnet in magnetic circuit system 2.One end of the voice coil is protruded between the structure
In gap.The centring disk 1 includes vibration section 11, fixed part 12 and cantilever 13,.The vibration section 11 is connect to institute with voice coil
It states voice coil to be supported, the vibration section 11 is with voice coil vibrations.The outside that the fixed part 12 is located at the vibration section 11 is used for
It realizes and fixes, fixed relative to the voice coil.The vibration section 11 is connect with fixed part 12 by cantilever 13, and the cantilever 13 is
The movement portion 11 provides elastic damping with fixed part 12, so that there is elasticity between movement portion 11 and fixed part 12, it can be effective
Ground supports vibrational system, reduces and even sounding device is avoided to polarize.
The outside of the fixed part 12 is extended the interconnecting piece 14 having positioned at sounding device side, and with the connection
The welding disk 15 that portion 14 connects and is fixed on magnetic circuit system 2.The medial surface of the interconnecting piece 14 or/and the welding disk 15
It is equipped with metal reinforcement part.The metal reinforcement part is weldingly fixed on the magnetic circuit system 2, enhance the welding disk 15 or/
Binding force between the interconnecting piece 14 and the magnetic circuit system 2.The centring disk 1 default metal reinforcement in its processing
Part, can be fixed sufficiently with the metal reinforcement part before sounding device assembles, and can be embedded and is moulded in by welding disk edge
On metal reinforcement part or bonding etc. connection types be combined fixation, be compared to and welding disk 15 be directly adhered to magnetic circuit system
On system 2, welding can be prevented in assembling process, in wanting for assembly efficiency so that welding disk 15 is bonded with magnetic circuit system
Ask down, welding disk 15 with magnetic circuit system 2 sufficiently it is fixed do not enter it is next to process so that bonding force deficiency is easily stuck up
Side can effectively take into account the fixed stability of welding disk 15 and assembly efficiency using metal reinforcement part.It can either prevent
When welding disk 15 is fixed on magnetic circuit system 2, interconnecting piece 14 is caused due to stress warpage, external drum beyond magnetic circuit system
Shape, influence assembly and so on.The utility model enhances centring disk 1 and magnetic circuit system by default metal reinforcement part
The stable connection of system 2, improves the structural reliability of sounding device.
It is usually provided on the welding disk 15 for the pad with external electrical connections.The pad can pass through vibration section
11 are electrically connected with voice coil, enable voice coil by centring disk 1 and external electrical connections, receive external electric signal, so that hair
Acoustic device can work sounding.Pad is arranged on the welding disk 15, in the sounding device course of work, the position of pad
Be it is relatively-stationary, not will do it vibration and influence electrical connection stability, improve the functional reliability of sounding device.
In some embodiments, the upper surface of the fixed magnetic circuit system 2 of the vibrating diaphragm 3 of the vibrational system, the vibrating diaphragm 3
The inner cavity that sounding device is surrounded with the magnetic circuit system 2 allows to no longer need to set for the vibrational system and magnetic circuit system
Additional encapsulating housing is set, its volume size is reduced, is advantageously implemented miniaturization, lightening requirement.Further, some
In embodiment, referring to fig. 2, the fixed part 12 of the centring disk 1 between 3 edge of vibrating diaphragm and the magnetic circuit system 2,
It can either realize the fixation to fixed part 12, additionally it is possible to increase the vibrating diaphragm 3 and magnetic circuit system using the fixation position of fixed part 12
The volume for the inner cavity that system encloses guarantees acoustical behavior.Further, in some embodiments, referring to fig. 2, the centering branch
It is additionally provided with washer 4 between the fixed part 12 and the magnetic circuit system 2 of piece 1, the vibrating diaphragm 3 can be increased and enclosed with magnetic circuit system
At inner cavity volume, guarantee acoustical behavior.
In some embodiments, as shown in Figure 1, the magnetic circuit system 2 includes conductive magnetic yoke 21, is fixed on conductive magnetic yoke 21
The center magnetic path component and side magnetic circuit component of upper surface.The center magnetic path component is usually center permanent magnet.The side magnetic circuit
Component include while magnet 22 and set on while magnet 22 above cricoid side magnetic conductive board 23.The interconnecting piece 14, which is located at the side, leads
The side of magnetic sheet 23, the welding disk 15 be fixed on the side magnetic conductive board 23 on the surface of 3 side of vibrating diaphragm.
In some embodiments, as shown in figs. 1-2, the metal reinforcement part is connected to by being bonded and being welded and fixed
On the side magnetic conductive board 23.In assembly, bonding can be first passed through the metal reinforcement part is fixed on the side magnetic conductive board 23
Position, that is, position the interconnecting piece 14 or/and the welding disk 15 is located at position on the side magnetic conductive board 23, then passes through again
The mode of welding is welded, and is completed to fix, is enhanced the interconnecting piece 14 or/and the welding disk 15 and the side magnetic conductive board 23
Between binding force.
Further, as shown in Figure 2, the medial surface of the welding disk 15 is equipped with the first metal reinforcement part 16, institute
State the table away from 3 side of vibrating diaphragm that the first metal reinforcement part 16 is fixed on the side magnetic conductive board 23 by laser welding process
On face.
Further, as shown in Figure 5, the medial surface of the interconnecting piece 14 is equipped with the second metal reinforcement part 17, institute
The second metal reinforcement part 17 is stated to be fixed on by laser welding process on the side of the side magnetic conductive board 23.Further, described
In position corresponding with the second metal reinforcement part 17 evacuation setting jagged 24 on side magnetic conductive board 23, second metal is mended
Strong part 17 is located in the notch 24.Installation site is reserved for the second metal reinforcement part 17, prevents it beyond magnetic circuit system
2 shape.Further, the interconnecting piece 14 is also without departing from the shape of magnetic circuit system 2.
In some embodiments, as shown in Figure 2 and Figure 5, the appearance profile of the metal reinforcement part is greater than the pad
The appearance profile of portion 15 or/and the interconnecting piece 14, convenient for exceeding welding disk 15 or/and the interconnecting piece by metal reinforcement part
The part of 14 appearance profile welds it with magnetic circuit system, such as laser solder joint 18 shown in Fig. 2, prevents in welding process
In the welding disk 15 or/and the interconnecting piece 14 are caused to damage；And it can effectively increase bonded area, be bonded
When, improve binding force.
In some embodiments, the metal reinforcement part is steel disc, from a wealth of sources and cost is relatively low, is suitble to industry raw
It produces.In some other embodiments, aluminium flake, tin piece be can also be or be other alloy materials etc., the application to this simultaneously
It does not limit, can effectively be welded and fixed.
In some embodiments, as shown in figures 1-5, the centring disk 1 includes multiple welding disks 15, multiple
The welding disk 15 is symmetrically fixed on the magnetic circuit system 2, improves centring disk 1 fixed stability and balance.
In some embodiments, as shown in figs. 4-5, the height of the welding disk 15 is without departing from the conductive magnetic yoke 21
Highly, it prevents it from exceeding the shape of magnetic circuit system 2, influences to assemble；On the other hand, it is also reserved for the electrical connection of pad enough
Connection space.
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that above example merely to be illustrated, 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 where, to above embodiments
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of sounding device, which is characterized in that including vibrational system and magnetic circuit system, the vibrational system includes vibrating diaphragm, sound
Circle and centring disk, the magnetic circuit system have structure interval, and one end of the voice coil is protruded into the structure interval, described fixed
Heart branch piece include be connected with the voice coil vibration section that voice coil is supported, positioned at the vibration section outside for realizing solid
The cantilever of fixed fixed part and the connection vibration section and fixed part, the outside of the fixed part is extended to have and fill positioned at sounding
Set the interconnecting piece of side, and the welding disk on magnetic circuit system connect and be fixed on the interconnecting piece, the interconnecting piece or/
Metal reinforcement part is equipped with the medial surface of the welding disk.
2. sounding device according to claim 1, which is characterized in that the fixed magnetic circuit system of the vibrating diaphragm of the vibrational system
The upper surface of system, the vibrating diaphragm and the magnetic circuit system surround the inner cavity of sounding device.
3. sounding device according to claim 2, which is characterized in that the fixed position of the centring disk is in the vibrating diaphragm
Edge and the magnetic circuit system between.
4. sounding device according to claim 3, which is characterized in that the fixed part of the centring disk and the magnetic circuit system
Washer is additionally provided between system.
5. according to any sounding device of claim 2-4, which is characterized in that the magnetic circuit system includes conductive magnetic yoke, Gu
It is scheduled on the center magnetic path component and side magnetic circuit component of conductive magnetic yoke upper surface, the magnet when magnetic circuit component includes and is set to side magnetic
Cricoid side magnetic conductive board above iron；
The connecting portion in the side of the side magnetic conductive board, the welding disk be fixed on the side magnetic conductive board away from the vibration
On the surface of film side.
6. sounding device according to claim 5, which is characterized in that the metal reinforcement part is by bonding and is welded and fixed
It is connected on the side magnetic conductive board.
7. sounding device according to claim 6, which is characterized in that the medial surface of the welding disk is equipped with the first metal
Reinforcing member, the first metal reinforcement part by laser welding process be fixed on the side magnetic conductive board away from the vibrating diaphragm side
Surface on.
8. sounding device according to claim 6, which is characterized in that the medial surface of the interconnecting piece is equipped with the second metal
Reinforcing member, the second metal reinforcement part are fixed on the side of the side magnetic conductive board by laser welding process.
9. sounding device according to claim 8, which is characterized in that mended on the side magnetic conductive board with second metal
The corresponding position evacuation setting of part is jagged by force, and the second metal reinforcement part is located in the notch.
10. sounding device according to claim 1, which is characterized in that the appearance profile of the metal reinforcement part is greater than institute
State the appearance profile of welding disk or/and the interconnecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416743.7U CN208609182U (en) | 2018-08-30 | 2018-08-30 | A kind of sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821416743.7U CN208609182U (en) | 2018-08-30 | 2018-08-30 | A kind of sounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208609182U true CN208609182U (en) | 2019-03-15 |
Family
ID=65680470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821416743.7U Active CN208609182U (en) | 2018-08-30 | 2018-08-30 | A kind of sounding device |
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| Country | Link |
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| CN (1) | CN208609182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163406A (en) * | 2019-12-30 | 2020-05-15 | 歌尔股份有限公司 | Sound production device and speaker module |
| CN113645552A (en) * | 2021-08-31 | 2021-11-12 | 歌尔股份有限公司 | Sound production device for electronic device and electronic device |
-
2018
- 2018-08-30 CN CN201821416743.7U patent/CN208609182U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163406A (en) * | 2019-12-30 | 2020-05-15 | 歌尔股份有限公司 | Sound production device and speaker module |
| CN111163406B (en) * | 2019-12-30 | 2022-01-07 | 歌尔股份有限公司 | Sound production device and speaker module |
| CN113645552A (en) * | 2021-08-31 | 2021-11-12 | 歌尔股份有限公司 | Sound production device for electronic device and electronic device |
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