CN209390350U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN209390350U CN209390350U CN201822278284.7U CN201822278284U CN209390350U CN 209390350 U CN209390350 U CN 209390350U CN 201822278284 U CN201822278284 U CN 201822278284U CN 209390350 U CN209390350 U CN 209390350U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- ontology
- fixed part
- leads
- circuit board
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004026 adhesive bonding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model provides a kind of loudspeaker, it includes frame, the vibrational system being contained in the frame, magnetic circuit system and flexible circuit board, the vibrational system includes vibrating diaphragm and the voice coil for driving the vibrating diaphragm sounding, the voice coil includes voice coil ontology and the voice coil leads extended from the voice coil ontology, the flexible circuit board includes the first fixed part connecting with the voice coil ontology and the first welding disk on first fixed part, first fixed part includes the first surface connecting with the voice coil ontology and the second surface being oppositely arranged with the first surface, first fixed part is equipped with the groove to be formed that is recessed from the first surface to the second surface direction along the direction of routing of the voice coil leads, described voice coil leads a part is located in the groove, another part and first welding disk weld.Compared with the relevant technologies, the stability of loudspeaker provided by the utility model is more preferably.
Description
[technical field]
The utility model relates to acoustic-electric conversion art more particularly to a kind of loudspeakers.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
The music function of high-quality, therefore, the loudspeaker for playing sound be widely applied Intelligent mobile equipment till now it
In.
The loudspeaker of the relevant technologies includes frame, the magnetic circuit system being contained in the frame, vibrational system and flexible electrical
Road plate, magnetic circuit system is for driving vibrational system vibration sounding.Vibrational system includes the voice coil of vibrating diaphragm and driving vibrating diaphragm sounding, sound
Circle is fixed including voice coil ontology and the voice coil leads extended from voice coil ontology, flexible circuit board with voice coil ontology gluing, and
Voice coil leads are welded on the pad of flexible circuit board, in this manner voice coil are connected to external circuits.
However, in the related technology when voice coil leads are set as needing the cemented surface on voice coil ontology with flexible circuit board
When, due to the avoiding structure of evacuation voice coil leads not set in flexible circuit board, so that voice coil ontology and flexible circuit board are glued
When, influenced by voice coil leads herein so that generate gap between voice coil ontology and flexible circuit board, voice coil ontology with it is soft
Property circuit board gluing it is bad, influence the reliability of loudspeaker, and voice coil inclination also results in and waves aggravation.
Therefore, it is necessary to provide a kind of improved loudspeaker to solve the above problems.
[utility model content]
For in loudspeaker in the related technology due to the avoiding structure of voice coil leads not set in flexible circuit board, from
And the technical issues of influencing the glued stability of voice coil and flexible circuit board, the utility model provide a kind of stability more preferably
Loudspeaker.
A kind of loudspeaker comprising frame, the vibrational system being contained in the frame, magnetic circuit system and flexible circuit
Plate, the vibrational system include vibrating diaphragm and the voice coil for driving the vibrating diaphragm sounding, and the voice coil includes voice coil ontology and described in
The voice coil leads that voice coil ontology extends, the flexible circuit board include the first fixed part connecting with the voice coil ontology and set
The first welding disk on first fixed part, first fixed part include the first surface connecting with the voice coil ontology
And the second surface being oppositely arranged with the first surface, first fixed part are equipped with along the direction of routing of the voice coil leads
Be recessed the groove to be formed from the first surface to the second surface direction, and described voice coil leads a part is located at the groove
Interior, another part and first welding disk weld.
Preferably, the groove is greater than or equal to institute from the first surface to the cup depth in the second surface direction
State the outer diameter of voice coil leads.
Preferably, the groove is recessed from the first surface to the second surface direction and through the second surface
Setting.
Preferably, the voice coil ontology is in rectangular ring, and the voice coil ontology includes two long side walls being oppositely arranged and company
Connect two short side walls of two long side walls, the long side wall and short side wall is end to end surrounds the voice coil ontology is described
Voice coil leads are set in the long side wall.
Preferably, the voice coil leads are equipped with two, and two voice coils are located in two long side walls and face is set
It sets.
Preferably, the long side wall includes close to the upper surface, opposite with the upper surface of first fixed part side
The lower surface of setting and the medial surface and lateral surface of the connection upper surface and the lower surface, the voice coil leads include from institute
State the first voice coil leads for extending to form of interior direction of the inside towards the voice coil ontology and from the lateral surface across described
The second voice coil leads that upper surface is extended to form to the interior direction of the voice coil ontology.
Preferably, second voice coil leads include and the first part of first welding disk welding and connect described the
A part of second part with the voice coil ontology, the second part extend to form from the lateral surface and across the upper tables
Face, the second part is corresponding to be located in the groove.
Preferably, the flexible circuit board is located between the vibrating diaphragm and the voice coil.
Preferably, the flexible circuit board further includes that the second fixed part connecting with the frame, connection described first are solid
The elasticity arm and the second welding disk on second fixed part for determining portion and second fixed part are embedded in the frame
There is weld tabs, the weld tabs and second welding disk weld.
Preferably, the magnetic circuit system includes magnetic yoke, group assigned in the main magnet steel and secondary magnet steel in the magnetic yoke, the main magnetic
Steel and the secondary magnet steel interval are arranged to form magnetic gap, and the voice coil ontology is at least partially disposed in the magnetic gap.
Compared with the relevant technologies, the loudspeaker of the utility model passes through first fixed part in the flexible circuit board
The upper setting groove, the groove can step down to the voice coil leads, avoid the voice coil leads and influence institute
The gluing between voice coil ontology and the flexible circuit board is stated, so that the voice coil ontology can be whole with one with the flexible circuit board
Face is glued, so as to improve the inclination of the voice coil, reduces glued undesirable risk and improves product and wave, Jin Erti
The stability of the loudspeaker is risen.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of the utility model loudspeaker；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker shown in Fig. 1；
Fig. 3 is the cross-sectional view along line A-A shown in Fig. 1；
Fig. 4 is a kind of assembling schematic diagram of angle of the utility model flexible circuit board and voice coil；
Fig. 5 is the assembling schematic diagram of another angle of the utility model flexible circuit board and voice coil；
Fig. 6 is the decomposition texture schematic diagram of flexible circuit board and voice coil shown in Fig. 4.
[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 whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig.1 to Fig.3.The utility model provides a kind of loudspeaker 100 comprising frame 10, be contained in it is described
Magnetic circuit system 20, vibrational system 30 and flexible circuit board 40 in frame 10 and the front cover 50 for being covered on the frame 10.It is described
Magnetic circuit system 20 is for driving 30 vibration sounding of vibrational system.
The whole frame 10 is in hollow rectangle, and weld tabs 11 is embedded in the frame 10.The lid of front cover 40 connects
In the side of the frame 10.
The magnetic circuit system 20 includes the magnetic yoke 21 being fixedly connected with the frame 10, group assigned in the master in the magnetic yoke 21
Magnet steel 22 and secondary magnet steel 23 are attached at the main pole core 24 of the main magnet steel 22 and are attached at the consequent pole core 25 of the secondary magnet steel 23.
The main magnet steel 22 forms magnetic gap with the secondary interval of magnet steel 23 setting.
The vibrational system 30 includes driving the vibration for the vibrating diaphragm 31 of vibration sounding and below the vibrating diaphragm 31
The voice coil 32 of 31 vibration sounding of film.
Please refer to fig. 4 to fig. 6.The voice coil 32 includes voice coil ontology 321 and extends from the voice coil ontology 321
Voice coil leads 322.The voice coil ontology 321 is at least partially disposed in the magnetic gap.
The voice coil ontology 321 is in rectangular ring, specifically, the voice coil ontology 321 includes the two long sides being oppositely arranged
Wall 3211 and two short side walls 3212 for connecting two long side walls 3211, the long side wall 3211 and 3212 head and the tail of short side wall
Connect and surrounds the voice coil ontology 321.
The long side wall 3211 includes opposite close to the upper surface 3213 of 31 side of vibrating diaphragm and the upper surface 3213
The medial surface 3215 and lateral surface 3216 of the lower surface 3214 of setting and the connection upper surface 3213 and the lower surface 3214.
The voice coil leads 322 are equipped with two, and two voice coil leads 322 are located in the long side wall 3211 and just
To setting.Specifically, the voice coil leads 322 include from the medial surface 3215 to the interior direction of the voice coil ontology 321
The first voice coil leads 3221 for extending to form and from the lateral surface 3216 across the upper surface 3213 to the voice coil ontology
The second voice coil leads 3222 that 321 interior direction extends to form.
The flexible circuit board 40 is located between the vibrating diaphragm 31 and the voice coil 32.Specifically, the flexible circuit
Plate 40 includes and glued the first fixed part 41 connecting of the voice coil ontology 321, first on first fixed part 41
Welding disk 42 is consolidated with glued the second fixed part 43 connecting of the frame 10, connection first fixed part 41 with described second
Determine the elasticity arm 44 in portion 43 and the second welding disk 45 on second fixed part 43.The weld tabs 11 and second weldering
Pan portion 45 is welded and fixed.
First fixed part 41 include the first surface 411 being connect with the voice coil ontology 321 and with first table
The second surface 412 that face 411 is oppositely arranged.The first surface 411 is corresponding glued fixed with the upper surface 3213.Described
One fixed part 41, which is equipped with along 322 direction of routing of voice coil from the first surface 411 to 412 direction of second surface, to be recessed
The groove 413 of formation.
There are two first welding disk 42 is set, two first welding disks 42 are right with two voice coil leads 322 respectively
It should weld.Specifically, second voice coil leads 3222 include with first welding disk 42 welding first part 3223 and
Connect the second part 3224 of the first part 3223 with the voice coil ontology 321, the second part 3224 is from described outer
Side 3216 extends to form and across the upper surface 3213, and the second part 3224 is corresponding to be located in the groove 413.I.e.
The groove 413 is for avoiding the part that the voice coil leads 322 are located at the upper surface 3213, so that the upper surface
It is glued more stable between 3213 and the first surface 411, will not due to the voice coil leads 322 influence and between occurring
Gap.
In the present embodiment, it is located on the upper surface 3213 due to only having the part of second voice coil leads 3222,
It is located at second voice coil leads 3222 so the groove 413 is equipped with one and corresponds to.Certainly, in other embodiments,
When the voice coil leads 322 are set as greater number, and there is the part of more voice coil leads 322 to be located at the upper table
On face 3213, the groove 413, which can be correspondingly arranged, is located at the upper surface for avoiding the voice coil leads 322 for greater number
Part on 3213.In order to make the first surface 411 with the glued flatness in the upper surface 3213 more preferably, it is described recessed
Slot 413 can be arranged any amount by actual demand and be set to any position.
The groove 413 is greater than or equal to from the first surface 411 to the cup depth in 412 direction of second surface
The outer diameter of the voice coil leads 322 enables the voice coil leads 322 to be contained in the groove 413 completely.It is preferred that
, in the present embodiment, the groove 413 is recessed from the first surface 411 to 412 direction of second surface and through institute
State the setting of second surface 412.
Compared with the relevant technologies, the loudspeaker of the utility model passes through first fixed part in the flexible circuit board
The upper setting groove, the groove can step down to the voice coil leads, avoid the voice coil leads and influence institute
The gluing between voice coil ontology and the flexible circuit board is stated, so that the voice coil ontology can be whole with one with the flexible circuit board
Face is glued, so as to improve the inclination of the voice coil, reduces glued undesirable risk and improves product and wave, Jin Erti
The stability of the loudspeaker is risen.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (10)
1. a kind of loudspeaker comprising frame, the vibrational system being contained in the frame, magnetic circuit system and flexible circuit board,
The vibrational system includes vibrating diaphragm and the voice coil for driving the vibrating diaphragm sounding, and the voice coil includes voice coil ontology and from the voice coil
The voice coil leads that ontology extends, the flexible circuit board include the first fixed part being connect with the voice coil ontology and be set to institute
State the first welding disk on the first fixed part, first fixed part include the first surface being connect with the voice coil ontology and with
The second surface that the first surface is oppositely arranged, which is characterized in that cabling of first fixed part along the voice coil leads
Direction is equipped with the groove to be formed that is recessed from the first surface to the second surface direction, and described voice coil leads a part is located at
In the groove, another part and first welding disk are welded.
2. loudspeaker according to claim 1, which is characterized in that the groove is from the first surface to second table
The cup depth in face direction is greater than or equal to the outer diameter of the voice coil leads.
3. loudspeaker according to claim 2, which is characterized in that the groove is from the first surface to second table
Face direction is recessed and is arranged through the second surface.
4. loudspeaker according to claim 1, which is characterized in that the voice coil ontology is in rectangular ring, the voice coil sheet
Body includes two long side walls being oppositely arranged and two short side walls for connecting two long side walls, and the long side wall and the short side wall are first
Tail, which connects, surrounds the voice coil ontology, and the voice coil leads are set in the long side wall.
5. loudspeaker according to claim 4, which is characterized in that the voice coil leads are equipped with two, two voice coils point
It Wei Yu not be in two long side walls and face is arranged.
6. loudspeaker according to claim 5, which is characterized in that the long side wall includes close to first fixed part one
The upper surface of side, the lower surface being oppositely arranged with the upper surface and the medial surface for connecting the upper surface and the lower surface and
Lateral surface, the voice coil leads include the first voice coil extended to form from the inside towards the interior direction of the voice coil ontology
Lead and draw from the lateral surface across the upper surface to the second voice coil that the interior direction of the voice coil ontology extends to form
Line.
7. loudspeaker according to claim 6, which is characterized in that second voice coil leads include and first pad
The first part of portion's welding and the second part of the connection first part and the voice coil ontology, the second part is described in
Lateral surface extends to form and across the upper surface, and the second part is corresponding to be located in the groove.
8. loudspeaker according to claim 1, which is characterized in that the flexible circuit board be located in the vibrating diaphragm with it is described
Between voice coil.
9. loudspeaker according to claim 1, which is characterized in that the flexible circuit board further includes connecting with the frame
The second fixed part, connection first fixed part and second fixed part elasticity arm and be set on second fixed part
The second welding disk, weld tabs is embedded in the frame, the weld tabs and second welding disk weld.
10. loudspeaker according to claim 1, which is characterized in that the magnetic circuit system includes magnetic yoke, group assigned in the magnetic
Main magnet steel and secondary magnet steel in yoke, the main magnet steel and the secondary magnet steel interval are arranged to form magnetic gap, and the voice coil ontology is extremely
Small part is located in the magnetic gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278284.7U CN209390350U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278284.7U CN209390350U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209390350U true CN209390350U (en) | 2019-09-13 |
Family
ID=67863341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822278284.7U Expired - Fee Related CN209390350U (en) | 2018-12-30 | 2018-12-30 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209390350U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110361A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound production apparatus |
| CN114697827A (en) * | 2020-12-30 | 2022-07-01 | 华为技术有限公司 | Speaker and terminal device |
| US20230209272A1 (en) * | 2021-12-29 | 2023-06-29 | Aac Microtech (Changzhou) Co., Ltd. | Micro Speaker |
-
2018
- 2018-12-30 CN CN201822278284.7U patent/CN209390350U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022110361A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound production apparatus |
| CN114697827A (en) * | 2020-12-30 | 2022-07-01 | 华为技术有限公司 | Speaker and terminal device |
| CN114697827B (en) * | 2020-12-30 | 2023-06-13 | 华为技术有限公司 | Speaker and terminal device |
| US20230209272A1 (en) * | 2021-12-29 | 2023-06-29 | Aac Microtech (Changzhou) Co., Ltd. | Micro Speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |