CN206559630U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN206559630U CN206559630U CN201720031800.9U CN201720031800U CN206559630U CN 206559630 U CN206559630 U CN 206559630U CN 201720031800 U CN201720031800 U CN 201720031800U CN 206559630 U CN206559630 U CN 206559630U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- magnet portion
- loudspeaker
- vibrating diaphragm
- magnet steel
- 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
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of loudspeaker.The loudspeaker includes vibrational system and the magnetic circuit system for driving the vibrational system vibration sounding, the magnetic circuit system includes the first magnet portion for being used to drive the vibrational system, first magnet portion has magnetic gap, the vibrational system includes the flat voice coil loudspeaker voice coil of vibrating diaphragm and the driving diaphragm oscillations, the flat voice coil loudspeaker voice coil and direction of vibration of first magnet portion along vibrating diaphragm just pair and are arranged at intervals, the vibrational system further comprises being fixedly connected on the vibrating diaphragm towards the printed circuit board (PCB) on the surface of first magnet portion, the metal wire of the flat voice coil loudspeaker voice coil is printed on the printed circuit board (PCB) and it is at least partly fallen into the magnetic gap along orthographic projection of the diaphragm oscillations direction in first magnet portion.Compared with prior art, the utility model provides the New-type loudspeaker that voice coil loudspeaker voice coil is difficult to wave and space availability ratio is high in a kind of vibration processes.
Description
【Technical field】
The utility model is related to electroacoustic conversion art, more particularly to a kind of loudspeaker.
【Background technology】
With the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, undoubtedly most common, the most portable mobile terminal device of mobile phone.At present, the function of mobile phone and its various, one of them is just
It is the music function of high-quality, and the loudspeaker in mobile phone is to realize one of this high-quality music necessary requirement.
Existing Microspeaker generally all includes the frame of tool receiving space, the vibrational system being contained in the frame
And magnetic circuit system, the vibrational system include being fixed in vibrating diaphragm in the frame, the voice coil loudspeaker voice coil of the driving diaphragm oscillations and
The top dome on the voice coil loudspeaker voice coil surface is adhered to, the magnetic circuit system includes the lower magnetic bowl for being arranged at the frame bottom and is attached at
The magnet portion of the voice coil loudspeaker voice coil is driven on the lower magnetic bowl, the magnet portion includes main magnet steel and is arranged at intervals shape with the main magnet steel
Into the secondary magnet steel of magnetic gap, the main magnet steel is surround in the voice coil loudspeaker voice coil insertion magnetic gap.In existing loudspeaker design, the sound
Circle is longer, is also easy to produce and waves in vibration processes, and space availability ratio is not high on thickness direction.
Therefore, it is necessary that providing a kind of new loudspeaker solves the above problems in fact.
【Utility model content】
The purpose of this utility model is to provide that voice coil loudspeaker voice coil in a kind of vibration processes is difficult to wave and that space availability ratio is high is new
Type loudspeaker.
In order to solve the above-mentioned technical problem, a kind of loudspeaker is devised, including vibrational system and for driving the vibration
The magnetic circuit system of system vibration sounding, the magnetic circuit system includes the first magnet portion for being used to drive the vibrational system, described
First magnet portion has magnetic gap, and the vibrational system includes the flat voice coil loudspeaker voice coil of vibrating diaphragm and the driving diaphragm oscillations, described flat
Flat voice coil loudspeaker voice coil and direction of vibration of first magnet portion along vibrating diaphragm just pair and are arranged at intervals, and the vibrational system further comprises solid
Surely the vibrating diaphragm is connected to towards the printed circuit board (PCB) on the surface of first magnet portion, and the metal wire of the flat voice coil loudspeaker voice coil prints
In on the printed circuit board (PCB) and it at least partly falls along orthographic projection of the diaphragm oscillations direction in first magnet portion
Enter in the magnetic gap.
Preferably, in addition to the frame with receiving space, the vibrational system and magnetic circuit system are contained in the receipts
Hold in space, the vibrating diaphragm is fixedly connected with the frame.
It is preferred that, first magnet portion include the first main magnet steel and be divided into the described first main magnet steel both sides and with it is described
The first secondary magnet steel of main magnet steel spaced first, the first main magnet steel and two the described first secondary magnet steel formation magnetic gap.
It is preferred that, the printed circuit board (PCB) includes central part, the Printing Department around the central part and by the Printing Department
The edge part of outer peripheral edge extension, direction of vibration positive throwing on the printed circuit board of the first main magnet steel along the vibrating diaphragm
Shadow is fallen into the central part, and the metal wire of the voice coil loudspeaker voice coil is printed in the Printing Department towards the surface of first magnet portion.
It is preferred that, the magnetic circuit system includes the lower magnetic bowl for being arranged at the frame bottom, and first magnet portion is sticked
In on the lower magnetic bowl.
It is preferred that, the magnetic circuit system further comprises the upper magnetic bowl being oppositely arranged with the lower magnetic bowl and is fixed on described
Upper magnetic bowl is towards the second magnet portion of the lower magnetic bowl surface, and first magnet portion is with second magnet part located at described
Vibrating diaphragm both sides, the upper magnetic bowl abuts the vibrating diaphragm to compress the vibrating diaphragm respectively with the frame.
It is preferred that, the upper magnetic bowl includes supporting part and bends extension along the edge of the supporting part towards the frame
Contacting wall, second magnet portion is attached on the supporting part, and the contacting wall abuts fixation with the vibrating diaphragm.
It is preferred that, second magnet portion is identical with the first magnet portion structure, and second magnet portion includes second
Main magnet steel and be divided into the described second main magnet steel both sides and with the secondary magnet steel of the described second main magnet steel spaced second.
It is preferred that, the vibrating diaphragm includes main part, and the vibrational system further comprises that sandwiched is fixed on the main part
Top dome between the printed circuit board (PCB).
Compared with prior art, the loudspeaker that the utility model is provided has the advantages that：The loudspeaker includes
The printed circuit board (PCB) of the main part of the vibrating diaphragm is fixedly connected on, the metal wire of voice coil loudspeaker voice coil is directly printed on the printed circuit board (PCB)
On, very thin thickness in vibration processes, is difficult to wave, and the space taken on thickness direction is small；Meanwhile, the printed circuit
Plate can assemble simple directly as top dome, and uniformity and reliability are high.
【Brief description of the drawings】
The perspective exploded view for the loudspeaker embodiment one that Fig. 1 provides for the utility model；
Fig. 2 is the sectional view of loudspeaker shown in Fig. 1；
Fig. 3 is the structural representation of the printed circuit board (PCB) of loudspeaker and voice coil loudspeaker voice coil another angle shown in Fig. 1；
The sectional view for the loudspeaker embodiment two that Fig. 4 provides for the utility model；
The sectional view for the loudspeaker embodiment three that Fig. 5 provides for the utility model.
【Embodiment】
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Embodiment one
Please refer to Fig. 1 to Fig. 3, wherein, the perspective exploded view for the loudspeaker that Fig. 1 provides for the utility model,
Fig. 2 is the sectional view of loudspeaker shown in Fig. 1, and Fig. 3 is the knot of the printed circuit board (PCB) of loudspeaker and voice coil loudspeaker voice coil another angle shown in Fig. 1
Structure schematic diagram.The utility model provides a kind of loudspeaker 100, and the loudspeaker 100 includes frame 10, is contained in the frame
Magnetic circuit system 30 in 10, it is contained in the frame 10 and drives to produce the vibration system of sound by the magnetic circuit system 30
System 50.
The magnetic circuit system 30 includes the lower magnetic bowl 31 for being arranged at the bottom of frame 10 and is attached at the lower magnetic bowl 31
On the first magnet portion 33.In the present embodiment, the lower magnetic bowl 31 is tabular, and first magnet portion 33 includes the first master
Magnet steel 331 and the first secondary magnet steel 333 for being divided into the described first main both sides of magnet steel 331.Along the length direction of the lower magnetic bowl 31,
The first main magnet steel 31 and two the described first secondary parallel intervals of magnet steel 333 set and form magnetic gap 33A.
The vibrational system 50 includes vibrating diaphragm 51, is fixedly connected on the printed circuit board (PCB) 53 of the vibrating diaphragm 51 and for driving
The vibrating diaphragm 51 is moved to vibrate and the voice coil loudspeaker voice coil 55 on the printed circuit board (PCB) 53.Voice coil loudspeaker voice coil 55 and first magnet portion 33 are along shaking
Vibration of membrane direction just pair and is arranged at intervals.
The vibrating diaphragm 51 includes main part 511, the fixed part 515 being fixedly connected with the frame 10 and is connected the master
Body portion 511 and the ring portion 513 of the fixed part 515.
The printed circuit board (PCB) 53 is fixedly connected in the main part 511 towards the surface of first magnet portion 33.
The printed circuit board (PCB) 53 includes central part 531, the Printing Department 533 around the central part 531 and outside the Printing Department 533
The edge part 535 of periphery extension.Direction of vibration of the first main magnet steel 331 along the vibrating diaphragm 51 falls into the central part 531
It is interior, the central part 531 overlapped with the center line of the described first main magnet steel 331 and with the shape phase of the described first main magnet steel 531
With or it is similar, it is also assumed that the Printing Department 533 around the described first main magnet steel 331 on the printed circuit board (PCB) 53 just
Projection.The printed circuit board (PCB) 53 can assemble simple directly as top dome, and uniformity and reliability are high.
The voice coil loudspeaker voice coil 55 is the flat voice coil loudspeaker voice coil of ring-type, very thin thickness.The metal wire of the voice coil loudspeaker voice coil 55 is located at the Printing Department
533, the Printing Department 533 is located at towards the surface of first magnet portion 33 especially by the mode of printing.The voice coil loudspeaker voice coil 55
At least partly the magnetic gap 33A is fallen into along orthographic projection of the direction of vibration of the vibrating diaphragm 51 in first magnet portion 33
It is interior.The metal wire of the voice coil loudspeaker voice coil 55 is directly printed on the printed circuit board (PCB) 53, and very thin thickness in vibration processes, is difficult
Wave, and the space taken on thickness direction is small.
It is understood that in other embodiments, when magnetic bowl is U-shape structure instantly, frame can also be not provided with, and it is straight
Connect and vibrating diaphragm is fixed on lower magnetic bowl, form Rimless loudspeaker.
Embodiment two
Referring to Fig. 4, the sectional view for the loudspeaker embodiment two that Fig. 4 provides for the utility model.What embodiment two was provided
The structure for the loudspeaker 100 that the structure of loudspeaker 200 is provided with embodiment one is essentially identical, and its difference is, the loudspeaker
200 vibrational system 50 further comprises the top dome that sandwiched is fixed between the main part 511 and the printed circuit board (PCB) 53
57.The main part 511 is fixed on close to the surface of first magnet portion 33, the printed circuit board (PCB) in the side of top dome 57
53 are attached at the opposite side of top dome 57.
Embodiment three
Referring to Fig. 5, the sectional view for the loudspeaker embodiment three that Fig. 5 provides for the utility model.What embodiment three was provided
The structure of loudspeaker 300 is identical with the structure of the vibrational system for the loudspeaker 100 that embodiment one is provided, and difference is magnetic circuit system
Design it is different.
Specifically, the magnetic circuit system 30 further comprises magnetic bowl 35 and is fixed on the second magnetic of the upper magnetic bowl 35
Body portion 37, second magnet portion 37 is divided into the both sides of vibrating diaphragm 51 with first magnet portion 33.The upper magnetic bowl 35 with
The lower magnetic bowl 31 is oppositely arranged and the both sides of the vibrating diaphragm 51 is respectively arranged at the lower magnetic bowl 31.The upper magnetic bowl 35
Abut the vibrating diaphragm 51 respectively to compress the vibrating diaphragm 51 with the frame 10.The upper magnetic bowl 35 includes the He of supporting part 351
The contacting wall 353 of extension is bent along the edge of supporting part 351 towards frame 10, second magnet portion 37 is attached at described hold
In load portion 351, the contacting wall 353 abuts fixation with the vibrating diaphragm 51.
In the present embodiment, the structure of second magnet portion 37 is identical with the structure of first magnet portion 33, described
Second magnet portion 37 include the second main magnet steel 371 and be divided into the described second main both sides of magnet steel 371 and with the described second main magnet steel
371 spaced second secondary magnet steel 373.Meanwhile, the first main magnet steel 331 and the described second main magnet steel 371 just to setting,
Two the described first secondary magnet steel 333 and two the described second secondary magnet steel 373 are respectively just to setting.
It is preferred that, vibrational system equally may include top dome, specific design be the same as Example two, and this is no longer going to repeat them.
The loudspeaker that the utility model is provided has the advantages that：The loudspeaker includes being fixedly connected on vibrating diaphragm 51
Main part 511 printed circuit board (PCB) 53, the metal wire of voice coil loudspeaker voice coil 55 is directly printed on the printed circuit board (PCB) 53, thickness pole
It is thin, in vibration processes, it is difficult to wave, and the space taken on thickness direction is small；Meanwhile, the printed circuit board (PCB) 53 can be straight
Connect as top dome, assembling is simple, uniformity and reliability are high.
Above-described is only embodiment of the present utility model, it should be noted here that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (9)
1. a kind of loudspeaker, including vibrational system and the magnetic circuit system for driving the vibrational system vibration sounding, the magnetic
Road system includes the first magnet portion for being used to drive the vibrational system, and first magnet portion has magnetic gap, the vibration
System includes the flat voice coil loudspeaker voice coil of vibrating diaphragm and the driving diaphragm oscillations, it is characterised in that the flat voice coil loudspeaker voice coil and first magnetic
Direction of vibration of the body portion along vibrating diaphragm just pair and is arranged at intervals, and the vibrational system further comprises being fixedly connected on the vibrating diaphragm court
To the printed circuit board (PCB) on the surface of first magnet portion, the metal wire of the flat voice coil loudspeaker voice coil is printed on the printed circuit board (PCB)
And it is at least partly fallen into the magnetic gap along orthographic projection of the diaphragm oscillations direction in first magnet portion.
2. loudspeaker according to claim 1, it is characterised in that also including the frame with receiving space, the vibration
System and magnetic circuit system are contained in the receiving space, and the vibrating diaphragm is fixedly connected with the frame.
3. loudspeaker according to claim 2, it is characterised in that first magnet portion includes the first main magnet steel and set up separately
In the described first main magnet steel both sides and with the secondary magnet steel of the described first main magnet steel spaced first, the first main magnet steel and two
Individual described first secondary magnet steel forms the magnetic gap.
4. loudspeaker according to claim 3, it is characterised in that the printed circuit board (PCB) includes central part, around described
The Printing Department of central part and the edge part extended by the Printing Department outer peripheral edge, the first main magnet steel shake vibration of membrane described in
The orthographic projection of direction on the printed circuit board is fallen into the central part, and the metal wire of the voice coil loudspeaker voice coil is printed in the printing
Portion is towards the surface of first magnet portion.
5. loudspeaker according to claim 2, it is characterised in that the magnetic circuit system includes being arranged at the frame bottom
Lower magnetic bowl, first magnet portion is attached on the lower magnetic bowl.
6. loudspeaker according to claim 5, it is characterised in that the magnetic circuit system further comprises and the lower magnetic bowl
The upper magnetic bowl that is oppositely arranged and the upper magnetic bowl is fixed on towards the second magnet portion of the lower magnetic bowl surface, first magnet
Portion and second magnet part are located at the vibrating diaphragm both sides, the upper magnetic bowl abut the vibrating diaphragm respectively with the frame so that
Compress the vibrating diaphragm.
7. loudspeaker according to claim 6, it is characterised in that the upper magnetic bowl includes supporting part and along the supporting part
Edge the contacting wall of extension is bent towards the frame, second magnet portion is attached on the supporting part, described to abut
Wall abuts fixation with the vibrating diaphragm.
8. loudspeaker according to claim 6, it is characterised in that second magnet portion and the first magnet portion structure
It is identical, second magnet portion include the second main magnet steel and be divided into the described second main magnet steel both sides and with the described second main magnet steel
Spaced second secondary magnet steel.
9. the loudspeaker according to claim any one of 1-8, it is characterised in that the vibrating diaphragm includes main part, described to shake
Dynamic system further comprises the top dome that sandwiched is fixed between the main part and the printed circuit board (PCB).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031800.9U CN206559630U (en) | 2017-01-11 | 2017-01-11 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031800.9U CN206559630U (en) | 2017-01-11 | 2017-01-11 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206559630U true CN206559630U (en) | 2017-10-13 |
Family
ID=60359863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720031800.9U Expired - Fee Related CN206559630U (en) | 2017-01-11 | 2017-01-11 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206559630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049418A (en) * | 2019-04-24 | 2019-07-23 | 厦门圣德斯贵电子科技有限公司 | A kind of novel speaker arrangement |
| CN114257933A (en) * | 2021-02-07 | 2022-03-29 | 歌尔股份有限公司 | Speaker and electronic apparatus |
-
2017
- 2017-01-11 CN CN201720031800.9U patent/CN206559630U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049418A (en) * | 2019-04-24 | 2019-07-23 | 厦门圣德斯贵电子科技有限公司 | A kind of novel speaker arrangement |
| CN114257933A (en) * | 2021-02-07 | 2022-03-29 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN114286266A (en) * | 2021-02-07 | 2022-04-05 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN114257933B (en) * | 2021-02-07 | 2023-08-29 | 歌尔股份有限公司 | Speaker and electronic device |
| CN114286266B (en) * | 2021-02-07 | 2023-08-29 | 歌尔股份有限公司 | Speaker and electronic device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20220111 |