CN206963060U - Acoustical generator and electronic equipment - Google Patents
Acoustical generator and electronic equipment Download PDFInfo
- Publication number
- CN206963060U CN206963060U CN201720759802.XU CN201720759802U CN206963060U CN 206963060 U CN206963060 U CN 206963060U CN 201720759802 U CN201720759802 U CN 201720759802U CN 206963060 U CN206963060 U CN 206963060U
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- China
- Prior art keywords
- electric
- weld part
- conductor
- acoustical generator
- lug boss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004020 conductor Substances 0.000 claims abstract description 96
- 238000003466 welding Methods 0.000 claims abstract description 23
- 238000004080 punching Methods 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 5
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model discloses a kind of acoustical generator, a kind of electronic equipment, including shell, the first electric-conductor and the second electric-conductor；The first electric-conductor is molded with the shell, first electric-conductor includes the welding disk positioned at its first end and the first weld part positioned at its second end；Second electric-conductor includes the second weld part positioned at its first end, and second weld part is used to be welded and fixed with first weld part；First weld part is used to be provided with lug boss with the one side that the second weld part is welded；Second weld part is provided with hollow-out parts, and the lug boss is embedded in the hollow-out parts；Second weld part forms weld zone between all side regions of hollow-out parts and the fringe region of the lug boss, the weldering spot formed with the first weld part of connection and the second weld part in the weld zone, the reliability that the first electric-conductor electrically connects with the second electric-conductor is improved, and then improves the service life of the tonequality of acoustical generator, stability and acoustical generator.
Description
Technical field
The present invention relates to electroacoustic switch technology field.More particularly, to a kind of acoustical generator and including the acoustical generator
Electronic equipment.
Background technology
Acoustical generator is a kind of device that can convert electrical energy into acoustic energy, belongs to most basic phonation unit, and it extensively should
For in the terminal devices such as mobile phone.In recent years, in order to meet the appearance requirement of the electronic products such as mobile phone, the volume of electronic product is not
Disconnected to reduce, profile tends to be lightening, and therefore, the volume of the acoustical generator in electronic product also tends to small-sized light thinning.
As shown in figure 1, current acoustical generator includes shell 11 and and the vibrational system that is contained in the shell 11 and magnetic
Road system, the vibrational system include vibrating diaphragm and voice coil loudspeaker voice coil, and a voice coil leads are respectively drawn in voice coil loudspeaker voice coil both sides, respectively with external circuit
Positive and negative electrode is electrically connected to form loop, makes voice coil vibrations by electromagnetic induction principle and thus drives diaphragm oscillations sounding, realizes hair
The vocal function of sound device.Wherein, every voice coil leads are by the first electric-conductor 12 on acoustical generator shell 11 and with
Second electric-conductor 13 of one electric-conductor 12 electrical connection electrically connects with external circuit.First electric-conductor 12 is molded in shell 11, and one
End is exposed to the inner side of shell 11, is electrically connected with voice coil leads, and the other end is exposed to the outside of shell 11, is electrically connected with the second electric-conductor 13
Connect, second electric-conductor 13 is connected with external circuit simultaneously.The electrical connection conducting hair of first electric-conductor 12 and the second electric-conductor 13
Sound device internal circuit and external circuit, so as to realize the vocal function of acoustical generator.In current acoustical generator the first electric-conductor 12 with
The electrical connection of second electric-conductor 13 is the weldering by welding the pad and the second electric-conductor 13 of the first electric-conductor 12 of mounted on top
What disk was realized, the pad of the second electric-conductor 13 shelters from the pad of the first electric-conductor 12 of lower section, is only capable of from the second electric-conductor 13
Pad above the contact surfaces of two pads is welded.In welding process, due to weld interval and laser energy etc. because
The influence of element, it is possible that rosin joint, the reliability that the first electric-conductor 12 of influence is connected by rosin joint phenomenon with the second electric-conductor 13,
And then influence the tonequality and stability of acoustical generator.But the welding structure of the current electric-conductor 13 of first electric-conductor 12 and second can not
Intuitively check that the weld of the first electric-conductor 12 and the second electric-conductor 13 whether there is rosin joint, so as to ensure to send out well
The quality of sound device.
Accordingly, it is desirable to provide a kind of acoustical generator that can improve the first electric-conductor and the second electric-conductor reliability of electrical connection,
Improve the tonequality and stability of acoustical generator.
The content of the invention
It is an object of the present invention to provide a kind of acoustical generator, improves what the first electric-conductor electrically connected with the second electric-conductor
Quality of connection and reliability, so that acoustical generator internal circuit electrically connects with external circuit stabilization, improve the tonequality of acoustical generator
And stability.It is another object of the present invention to provide a kind of electronic equipment including the acoustical generator.
In order to solve the above technical problems, the present invention uses following technical proposals：
One aspect of the present invention discloses a kind of acoustical generator, including shell, the first electric-conductor and the second electric-conductor；
The first electric-conductor is molded with the shell, first electric-conductor includes the welding disk and position positioned at its first end
The first weld part in its second end, the welding disk are used to electrically connect with acoustical generator internal circuit；
Second electric-conductor includes the second weld part positioned at its first end, and second weld part is used for and described the
One weld part is welded and fixed, and the second end of second electric-conductor is used to electrically connect with acoustical generator external circuit；
First weld part is used to be provided with lug boss with the one side that the second weld part is welded；
Second weld part is provided with hollow-out parts, and the lug boss is embedded in the hollow-out parts；
Second weld part is formed between all side regions of hollow-out parts and the fringe region of the lug boss and welded
Area, the weldering spot formed with the first weld part of connection and the second weld part in the weld zone.
Preferably, the weldering spot is formed by way of laser spot welding.
Preferably, the weldering spot is provided with multiple, and is axisymmetricly distributed.
Preferably, the lug boss is circular, Long Circle or round rectangle.
Preferably,
The lug boss is bent to form by carrying out punching press to the first weld part,
Or the lug boss is formed by locally being thickeied to first weld part.
Preferably, the upper surface flush of the top surface of the lug boss of first weld part and the second weld part.
Preferably, first electric-conductor is U-shaped or Z-type structure.
Preferably, the second end of second electric-conductor is the elastic force that can be fluctuated relative to the second weld part
Arm, the elastic arm of force are connected with second weld part by kink, the elastic arm of force and acoustical generator external circuit electricity
Connection.
Preferably,
The acoustical generator further comprises the vibrational system being contained in the shell；
The vibrational system includes voice coil loudspeaker voice coil and two voice coil leads drawn from the voice coil loudspeaker voice coil；
The shell be provided with two the first electric-conductors being electrically connected respectively with two voice coil leads and respectively with
Two the second electric-conductors of two the first electric-conductor electrical connections.
The present invention also discloses a kind of electronic equipment, including electronic equipment casing and it is fixed on outside the electronic equipment
Acoustical generator as described above in shell.
The present invention sets the first electric-conductor and the second electric-conductor electrically connected with the first electric-conductor on acoustical generator shell.Its
In, first electric-conductor injection in the housing, its one end be exposed in acoustical generator and with the internal circuit in acoustical generator
Electrical connection, its other end are exposed on the outside of acoustical generator, form the first weld part.First electric-conductor is according to being actually needed and can set
It is set to the structures such as U-shaped or Z-type.One end of second electric-conductor forms the second weld part, real for being welded with the first weld part
Now the elasticity that can be fluctuated relative to the second weld part is may be configured as with the electrical connection of the first electric-conductor, its other end
The arm of force, the elastic arm of force is connected with second weld part by kink, and is electrically connected with the external circuit outside acoustical generator.
Wherein, the one side that the first weld part and the second weld part are welded is provided with lug boss, the second weld part be provided with it is described
Hollow-out parts corresponding to lug boss, the lug boss of the first weld part can be embedded in the hollow-out parts.The second weld part ring
Weld zone is formed between all side regions of hollow-out parts and the fringe region of the lug boss upper surface, can be existed using laser spot welding
The first weld part and the second weld part are welded in weld zone, forms the weldering spot of the first weld part of connection and the second weld part, is realized
The electrical connection of first electric-conductor and the second electric-conductor.
The present invention can be on the outside of the acoustical generator to nesting lug boss and hollow-out parts carry out welding and realize the first electric-conductor and the
The electrical connection of two electric-conductors, bond pad locations may be selected in lug boss upper surface and the weld zone of hollow-out parts adjoining and form weldering herein
Spot, therefore detection can be amplified by butt welding spot on the outside of acoustical generator, the welding directly perceived for determining the first electric-conductor and the second electric-conductor
Place whether there is rosin joint phenomenon, so as to ensure reliability that the first electric-conductor electrically connects with the second electric-conductor, improve acoustical generator
Tonequality and stability.
To ensure the reliability of welding electrical connection, multiple points can be selected to be welded in weld zone, be consequently formed multiple
Connect the weldering spot of the first electric-conductor and the second electric-conductor, it is preferred that symmetrical multiple weldering spots can be formed.The lug boss can
According to be actually needed be provided in round, the step of Long Circle or round rectangle, accordingly, the hollow-out parts be preferably arranged to should
Size and shape corresponding to step.The lug boss can be bent to form by carrying out punching press to first weld part, also can be
First weld part is locally thickeied in first electric-conductor forming process and formed.Pass through the upper of the lug boss that is formed with upper type
Surface is preferably no more than the upper surface of the second weld part, so as to not increase the volume of acoustical generator.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the diagrammatic cross-section according to existing acoustical generator；
Fig. 2 shows the schematic diagram according to acoustical generator embodiment of the present invention；
Fig. 3 shows the diagrammatic cross-section according to acoustical generator embodiment of the present invention；
Fig. 4 shows the schematic diagram according to the electric-conductor of acoustical generator embodiment first of the present invention；
Fig. 5 shows the schematic diagram according to the electric-conductor of acoustical generator embodiment second of the present invention；
Fig. 6 shows the enlarged diagram of a-quadrant in Fig. 2；
Reference：
11st, shell, the 12, first electric-conductor, the 13, second electric-conductor；
21st, shell, the 22, first electric-conductor, the 23, second electric-conductor, 221, welding disk, the 222, first weld part, 223, convex
The portion of rising, 224, connecting portion, the 231, second weld part, 232, the elastic arm of force, 233, hollow-out parts, 24, weldering spot.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Fig. 2 shows the schematic diagram according to one specific embodiment of acoustical generator of the present invention, and in the present embodiment, acoustical generator includes outer
Shell 21 and the vibrational system being contained in the shell 21 and magnetic circuit system, the vibrational system and magnetic circuit system do not show in figure
Go out.The shell 21 be provided with the first electric-conductor 22 for being electrically connected with acoustical generator internal circuit and with first electric-conductor 22
Second electric-conductor 23 of electrical connection.First electric-conductor 22 is moulded in shell 21, including is used to weld positioned at its one end and is sent out
The welding disk 221 of sound device internal circuit and the first horizontal welding for being used to weld second electric-conductor 23 positioned at its other end
Portion 222.Second electric-conductor 23 includes being used for the second horizontal weldering with first weld part 222 welding positioned at its one end
Socket part 231 and the elastic arm of force 232 being connected with second weld part 231, the elastic arm of force 232 can be relative to described second
Weld part 231 fluctuates, and is connected with second weld part 231 by kink, for the external circuit outside acoustical generator
Electrical connection.
As shown in figures 3 to 6, the first weld part 222 of first electric-conductor 22 is used to weld with the second weld part 231
Surface be provided with protrude the surface lug boss 223, the lug boss 223 be round rectangle step.Described second is conductive
Second weld part 231 of part 23 is provided with the hollow-out parts 233 with the 223 corresponding round rectangle of lug boss, the hollow-out parts 233
It is configured as to be embedded in the lug boss 223, and makes the first weld part of level 222 corresponding with level the second weld part 231
Surface is in contact, now the second weld part 231 shape between the fringe region of hollow out and the edge of the upper surface of the lug boss 223
Into the weld zone that can be welded, it can use laser spot welding in the weld zone to the first weld part 222 and the second weld part
231 are welded, and form the weldering spot 24 for electrically connecting first weld part 222 and second weld part 231.For being formed
Second weld part 231 and the weldering spot 24 on the surface of 222 lug boss of the first weld part 223, can be carried out by optical viewer butt welding spot 24
Amplification, intuitively, accurately determine with the presence or absence of rosin joint, be favorably improved welding quality and the first electric-conductor 22 and second is conductive
The connective stability of part 23, and then improve acoustical generator pronunciation tonequality and reliability.
When carrying out laser spot welding in weld zone, it can be preferably symmetrically welded, under conditions of connection reliability is ensured
Reduce process costs.In the present embodiment, 2 regions of corresponding selection are swashed respectively in two relative long sides of weld zone
Luminous point welds, and forms 4 symmetrical weldering spots 24, as shown in fig. 6, the also solderable formation other forms sum in practical operation
The weldering spot of amount.
The upper surface of lug boss 223 in the present embodiment and the upper surface flush of second weld part 231, so as to ensure
The design of lug boss 223 does not increase the volume of acoustical generator.The lug boss 223 in the forming process of the first electric-conductor 22 in the lump
Shaping, can use sheet metal forming technology shaping, and the local design that thickeies can be also carried out to the first weld part 222 and is formed, in the present embodiment, institute
State lug boss 223 and use punch forming, the lower surface of first weld part 222 is stamped and formed out groove, so as to which its upper surface can
Form the lug boss 223 of respective shapes.The first electric-conductor of the present invention and the moulding process of the second electric-conductor are simple, and it connects knot
Structure is easily realized.
The first electric-conductor 22 in the present embodiment is in the U-shaped of horizontal opening, including is exposed to outside acoustical generator and forms the first weldering
The first end of socket part 222 and the second end electrically connected with internal circuit inside acoustical generator is exposed to, in addition to connects described first
End and the connecting portion 224 at second end.First electric-conductor 22 can also use the other structures such as Z-type.
The vibrational system of acoustical generator in the present embodiment includes voice coil loudspeaker voice coil and two voice coil leads drawn from the voice coil loudspeaker voice coil, this
Acoustical generator in embodiment is provided with two first electric-conductors 22 electrically connected respectively with two voice coil leads, and respectively
Two second electric-conductors 23 electrically connected with two first electric-conductors 22, realize the connection of the inside and outside circuit of acoustical generator,
It will be appreciated by those skilled in the art that the first electric-conductor 22 and the second electric-conductor 23 described in the present embodiment can also be served only for it
Any of voice coil leads and external circuit electrical connection.
The present embodiment also includes a kind of electronic equipment, and the electronic equipment includes electronic equipment casing and is installed on the electronics
Acoustical generator as described in the embodiment in device housings.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.
Claims (10)
1. a kind of acoustical generator, including shell, the first electric-conductor and the second electric-conductor；
The first electric-conductor is molded with the shell, first electric-conductor is included positioned at the welding disk of its first end and positioned at it
First weld part at the second end, the welding disk are used to electrically connect with acoustical generator internal circuit；
Second electric-conductor includes the second weld part positioned at its first end, and second weld part is used for and the described first weldering
Socket part is welded and fixed, and the second end of second electric-conductor is used to electrically connect with acoustical generator external circuit；
Characterized in that,
First weld part is used to be provided with lug boss with the one side that the second weld part is welded；
Second weld part is provided with hollow-out parts, and the lug boss is embedded in the hollow-out parts；
Second weld part forms weld zone between all side regions of hollow-out parts and the fringe region of the lug boss,
Weldering spot formed with the first weld part of connection and the second weld part in the weld zone.
2. acoustical generator according to claim 1, it is characterised in that the weldering spot is formed by way of laser spot welding.
3. acoustical generator according to claim 1, it is characterised in that the weldering spot is provided with multiple, and is axisymmetricly distributed.
4. acoustical generator according to claim 1, it is characterised in that the lug boss is circular, Long Circle or round rectangle.
5. acoustical generator according to claim 1, it is characterised in that
The lug boss is bent to form by carrying out punching press to the first weld part,
Or the lug boss is formed by locally being thickeied to first weld part.
6. acoustical generator according to claim 1, it is characterised in that the top surface and second of the lug boss of first weld part
The upper surface flush of weld part.
7. acoustical generator according to claim 1, it is characterised in that first electric-conductor is U-shaped or Z-type structure.
8. acoustical generator according to claim 1, it is characterised in that the second end of second electric-conductor is can be relative to
The elastic arm of force that second weld part fluctuates, the elastic arm of force is connected with second weld part by kink, described
The elastic arm of force electrically connects with acoustical generator external circuit.
9. according to the acoustical generator described in claim 1-8 any claims, it is characterised in that
The acoustical generator further comprises the vibrational system being contained in the shell；
The vibrational system includes voice coil loudspeaker voice coil and two voice coil leads drawn from the voice coil loudspeaker voice coil；
The shell be provided with two the first electric-conductors being electrically connected respectively with two voice coil leads and respectively with two
Two the second electric-conductors of the first electric-conductor electrical connection.
10. a kind of electronic equipment, it is characterised in that including electronic equipment casing and be fixed in the electronic equipment casing as
Acoustical generator described in claim 1-9 any claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720759802.XU CN206963060U (en) | 2017-06-27 | 2017-06-27 | Acoustical generator and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720759802.XU CN206963060U (en) | 2017-06-27 | 2017-06-27 | Acoustical generator and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206963060U true CN206963060U (en) | 2018-02-02 |
Family
ID=61386229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720759802.XU Withdrawn - After Issue CN206963060U (en) | 2017-06-27 | 2017-06-27 | Acoustical generator and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206963060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147976A (en) * | 2017-06-27 | 2017-09-08 | 歌尔股份有限公司 | Acoustical generator and the electronic equipment including the acoustical generator |
-
2017
- 2017-06-27 CN CN201720759802.XU patent/CN206963060U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147976A (en) * | 2017-06-27 | 2017-09-08 | 歌尔股份有限公司 | Acoustical generator and the electronic equipment including the acoustical generator |
| WO2019000578A1 (en) * | 2017-06-27 | 2019-01-03 | 歌尔股份有限公司 | Speaker and electronic device comprising same |
| CN107147976B (en) * | 2017-06-27 | 2023-10-31 | 歌尔股份有限公司 | Acoustic generator and electronic device comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180202 Effective date of abandoning: 20231031 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180202 Effective date of abandoning: 20231031 |