CN205657835U - Micro sound production device - Google Patents
Micro sound production device Download PDFInfo
- Publication number
- CN205657835U CN205657835U CN201620224555.9U CN201620224555U CN205657835U CN 205657835 U CN205657835 U CN 205657835U CN 201620224555 U CN201620224555 U CN 201620224555U CN 205657835 U CN205657835 U CN 205657835U
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- voice coil
- sound
- coil loudspeaker
- loudspeaker voice
- sound film
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Abstract
The utility model provides a micro sound production device, it includes vibration system and fixing system, vibration system includes the sound membrane, is located the drive of sound membrane below the voice coil loudspeaker voice coil of sound membrane vibration sound production reaches to be made and elastic support by thin film materials the vibrating diaphragm of voice coil loudspeaker voice coil, the vibrating diaphragm with fixing system is fixed, fixing system is including supporting the basin of sound membrane frame and set up in magnetic circuit in the basin frame, the epimembranal electric connection that is equipped with of sound voice coil loudspeaker voice coil and external circuit's electrically conductive route, the voice coil loudspeaker voice coil passes through the epimembranal electrically conductive route and the external circuit transmission signal of telecommunication of sound. The utility model provides a micro sound production device has simplified the production technology, has improved production efficiency.
Description
[technical field]
This utility model relates to a kind of mini-sound device, particularly relates to the signal of telecommunication of mini-sound device
Transmission structure.
[background technology]
Mini-sound device is widely used in the portable electronics such as mobile phone, notebook computer, sonifer and sets
Standby.Along with the fast development of these portable electric appts, people are to being applied to miniature sounding therein
The requirement of device is more and more higher.
The mini-sound device of correlation technique includes sound film and is incorporated into the voice coil loudspeaker voice coil of sound film side, voice coil loudspeaker voice coil bag
Include voice coil leads.The electrical connection of voice coil loudspeaker voice coil and external electric signal uses the conducting terminal of pin class, leads
Electric terminal assembles in the frame of mini-sound device, and voice coil leads is welded on the pad of conductor terminal,
Conducting terminal necessarily takies certain space, firstly the need of the sound by voice film voice coil molectron in technical process
Circle lead-in wire welding, then arranges voice coil leads, finally sound film is adhered to frame, due to voice film voice coil
The lead end of molectron is fixed, and the small space between voice film voice coil molectron and frame gives reason tape
The biggest inconvenience.It addition, the electrical connection of voice coil loudspeaker voice coil and external electric signal can also use flexible electrical
Road plate, flexible PCB is connected with sound film, and voice coil leads is welded with flexible PCB, finally by three
Molectron is adhered in frame.Such electric connection mode technique is loaded down with trivial details affects production efficiency, is unfavorable for
The miniaturization of Minimized electro-acoustic device and lightness development trend.
Therefore, it is necessary to provide a kind of new technical scheme to overcome drawbacks described above in fact.
[utility model content]
This utility model provides one can simplify production technology raising production efficiency and structure simplification
Can preferably adapt to the mini-sound device of the development trend of miniaturization and lightness.
The technical solution of the utility model is as follows:
A kind of mini-sound device, it includes that vibrational system and fixed system, described vibrational system include
Sound film, it is positioned at below described sound film and drives the voice coil loudspeaker voice coil of described sound film vibration sounding and be made up of thin-film material
And flexibly supporting the vibrating diaphragm of described voice coil loudspeaker voice coil, described vibrating diaphragm is fixed with described fixed system, described fixing system
System includes supporting the frame of described sound film and being arranged at the magnetic circuit system in described frame, on described sound film
Being provided with the conductive path being electrically connected with described voice coil loudspeaker voice coil with external circuit, described voice coil loudspeaker voice coil is by described sound film
Conductive path and external circuit transmitting telecommunication number.
Preferably, described voice coil loudspeaker voice coil includes voice coil leads, described voice coil leads and the conduction on described sound film
Path is electrically connected with.
Preferably, described sound film includes towards the lower surface of described voice coil loudspeaker voice coil and relative with described lower surface
Upper surface, described conductive path runs through upper surface and the lower surface of described sound film, described voice coil leads electricity
Property is connected to the lower surface of described sound film, and described external circuit is electrically connected at the upper surface of described sound film.
Preferably, described sound film includes top dome portion, from outward extending ring portion of described top dome portion and ring
Being around in around described ring portion the joint portion fixing with described frame, described top dome portion is provided with described
The internal pads that one end of conductive path is connected, it is another that described joint portion is provided with described conductive path
The external pads that one end is connected, described internal pads welds with described voice coil leads, described external pads
Weld with described external circuit.
Preferably, described voice coil loudspeaker voice coil includes a pair major axis limit and short a pair axle limit, and described vibrating diaphragm is arranged at institute
State the short axle limit of voice coil loudspeaker voice coil.
Preferably, described vibrating diaphragm includes first fixed part fixing with described fixed system and described sound
Enclose the second fixed part connected and connect described first fixed part and the depressed part of the second fixed part.
Preferably, described magnetic circuit system includes magnetic bowl and is arranged at the magnet steel in described magnetic bowl, described magnetic
Bowl includes the step down portion corresponding with described depressed part.
Preferably, described magnetic circuit system includes that magnetic bowl, described frame include two major axis sidewalls and therewith
Two the short axle sidewalls connected, described magnetic bowl includes base plate and from two lateral bucklings extensions of described base plate
Side plate, the short axle sidewall of described frame is provided with the second resettlement section housing described magnetic bowl side plate.
The beneficial effects of the utility model are: the minitype acoustic generator that this utility model provides can simplify
Production technology improves production efficiency and structure and simplifies and can preferably adapt to sending out of miniaturization and lightness
Exhibition trend.
[accompanying drawing explanation]
Fig. 1 is the axonometric chart of this utility model mini-sound device；
Fig. 2 is the exploded view of the mini-sound device shown in Fig. 1；
Fig. 3 is the exploded view of miniature another angle of generating device shown in Fig. 2；
Fig. 4 is the structural representation of the mini-sound device frame shown in Fig. 1；
Fig. 5 is the sectional structure schematic diagram of line A-A along Fig. 1.
[detailed description of the invention]
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Seeing also Fig. 1 to Fig. 3, described mini-sound device 100 includes fixed system 1 and shakes
Dynamic system 2.Described fixed system 1 includes the frame 3 with receiving space and is contained in described frame
Driving the described magnetic circuit system 4 of described vibrational system 2 in 11, described magnetic circuit system 4 includes magnetic bowl 41
And it being arranged at the magnet steel 42 in described magnetic bowl 41, described magnet steel 42 includes main magnet steel 421 and is arranged at
The secondary magnet steel 422 of described main magnet steel 421 both sides, described main magnet steel 421 and described secondary magnet steel 422 it
Between formed magnetic gap.Described magnetic bowl 41 includes a base plate 411 and extend two from described base plate 411
Individual side plate 412.
As shown in Figure 4, described frame 3 is the overall rectangle in hollow, and described frame 3 includes two
31, two short axle sidewalls 32 of major axis sidewall and be arranged at the fixed arm 33 on described short axle sidewall 32.
Described two major axis sidewalls 31 connect with two short axle sidewalls 32, when described magnetic bowl 41 and described frame
After 3 assemble, described fixed arm 33 is positioned at described magnetic bowl 41.The two ends of described major axis sidewall 31 set
There are baffle plate 311, described baffle plate 311 and described major axis sidewall 31 to be formed and house described secondary magnet steel 422
First resettlement section 312, two described secondary magnet steel 422 are partially housed in described first resettlement section 312.
The described short axle sidewall 32 of described frame 3 is provided with the second receipts housing described magnetic bowl 41 side plate 412
Appearance portion 321.
It is described that described magnetic circuit system 4 also includes that pole piece 43 and train wheel bridge 44, described pole piece 43 are stacked at
On main magnet steel 421, described train wheel bridge 44 is immobilizated in described frame 3 and is stacked at described secondary magnet steel 422
On.Described train wheel bridge 44 is the tabular of tool through hole, and described pole piece 43 is positioned at described train wheel bridge 44
Through hole in, and be in same plane with described train wheel bridge 44.
Described vibrational system 2 includes sound film 5, voice coil loudspeaker voice coil 6, vibrating diaphragm 7 and is positioned at above described sound film 5
Reinforcing plate 8.Described voice coil loudspeaker voice coil 6 is positioned at the lower section of described sound film 5 and drives described sound film 5 vibration sounding,
One end of described vibrating diaphragm 7 is fixed with described fixed system 1, and the other end is connected fixing with described voice coil loudspeaker voice coil 6.
Described sound film 5 includes top dome portion 51, from outward extending ring portion of described top dome portion 51 52 and
It is surrounded on around described ring portion 52 and the fixing joint portion 53 of described frame 3.Described sound film 5 points
Not being connected with described voice coil loudspeaker voice coil 6 and described frame 3, concrete, described sound film 5 top dome portion 51 is with described
Voice coil loudspeaker voice coil 6 connects, and the joint portion 53 of described sound film 5 is connected with described frame 3.Set on described sound film 5
Having the conductive path 54 being electrically connected with described voice coil loudspeaker voice coil 6 with external circuit, described voice coil loudspeaker voice coil 6 is by described sound
Conductive path 54 on film 5 and external circuit transmitting telecommunication number, described sound film 5 includes towards described sound
The lower surface 55 of circle 6 and the upper surface 56 relative with described lower surface 55, described conductive path 54
Run through upper surface 56 and the lower surface 55 of described sound film 5.Described top dome portion 51 is provided with and leads with described
The internal pads 57 that power path 54 one end is connected, described joint portion 53 is provided with and described conductive path
The external pads 58 that 54 other ends are connected, described internal pads 57 is welded with described voice coil loudspeaker voice coil 6, described
External pads 58 welds with described external circuit, and the conductive path 54 in described ring portion 52 can set
Put the upper surface 56 at sound film 5, it is also possible to be arranged on the lower surface 55 of sound film 5, or sound film is upper
Surface 56, lower surface 55 all setting unit conductive paths., certainly, shown conductive path 64 also may be used
To be only arranged at the upper surface 56 of described sound film 5, voice coil leads 63 and external circuit are the most all welded in
The upper surface 56 of described sound film 5.
Described voice coil loudspeaker voice coil 6 inserts in described magnetic gap, its generally rectangle structure.Described voice coil loudspeaker voice coil 6 wraps
Including a pair major axis limit 61 and short a pair axle limit 62, described voice coil loudspeaker voice coil 6 is located in described sound film 5 and described
Between vibrating diaphragm 7, described voice coil loudspeaker voice coil 6 includes outward extending voice coil leads 63, described voice coil leads 63
Weld with the internal pads 57 on described sound film 5, because described internal pads 57 is arranged at described sound
In the top dome portion 51 of film 5, top dome portion 51 and the synchronous vibration of described voice coil loudspeaker voice coil 6, so that described sound
Circle lead-in wire 63 will not affect it and be electrically connected with because of pullling.
Described vibrating diaphragm 7 is arranged at the short axle limit 62 of described voice coil loudspeaker voice coil 6 and flexibly supports described voice coil loudspeaker voice coil 6, institute
Stating vibrating diaphragm 7 to be made up of thin-film material, its one end is fixing connects described fixed system 1, and the other end is fixed
Connecting described voice coil loudspeaker voice coil 6, described vibrating diaphragm 7 is a pair that structure is identical.Described vibrating diaphragm 7 includes with described
The second fixed part 72 that fixing the first fixed part 71 of fixed system 1 is connected with described voice coil loudspeaker voice coil 6 and
Connect described first fixed part 71 and the depressed part 73 of the second fixed part 72, as it is shown in figure 5, described
Magnetic bowl 41 includes the step down portion 413 corresponding with described depressed part 73.In other embodiments, described
Vibrating diaphragm can include connecting described first fixed part and the protuberance of the second fixed part, and now, magnetic bowl just may be used
Step down described in being not provided with portion.Concrete, described first fixed part 71 of described vibrating diaphragm 7 and described frame
The described fixed arm 33 of 3 is adhesively fixed, and in other embodiments, described first fixed part 71 also may be used
With described magnetic bowl 41 or magnet steel 42 is fixing is connected.Second fixed part 72 of described vibrating diaphragm 7 and institute
The short axle limit 62 stating voice coil loudspeaker voice coil 6 is adhesively fixed, and a pair vibrating diaphragm 7 is symmetrical arranged.Mini-sound device 100
By arranging vibrating diaphragm 7 in voice coil loudspeaker voice coil 6 short axle 62 direction of mini-sound device 100, described vibrating diaphragm 7 is solid
Surely connect described voice coil loudspeaker voice coil 6 and fixed system 1, waving of described voice coil loudspeaker voice coil 6 long axis direction can be limited,
Improve the pure tone effect of described mini-sound device 00.Meanwhile, because long axis direction supports without vibrating diaphragm 7,
Therefore the space of long axis direction increases, by the secondary magnet steel 422 arranged at long axis direction, on the one hand make institute
State mini-sound device 100 internal structure more compact, make described voice coil loudspeaker voice coil 6 be fixed, institute can be limited
State voice coil loudspeaker voice coil 6 waving at long axis direction, improve the pure tone effect of described mini-sound device 100 further
Really；On the other hand the space in described mini-sound device 100 is made to be fully used, described secondary magnetic
Steel 422 acts on jointly with described main magnet steel 421, improves the work effect of described mini-sound device 100
Rate.
Above-described is only embodiment of the present utility model, it should be noted here that for this area
Those of ordinary skill for, without departing from this utility model create design on the premise of, it is also possible to do
Go out to improve, but these belong to protection domain of the present utility model.
Claims (8)
1. a mini-sound device, it includes vibrational system and fixed system, described vibrational system bag
Include sound film, be positioned at below described sound film and drive the voice coil loudspeaker voice coil of described sound film vibration sounding and by thin-film material system
Becoming and flexibly support the vibrating diaphragm of described voice coil loudspeaker voice coil, described vibrating diaphragm is fixed with described fixed system, described fixing
System includes supporting the frame of described sound film and being arranged at the magnetic circuit system in described frame, and its feature exists
In, described sound film is provided with the conductive path being electrically connected with described voice coil loudspeaker voice coil with external circuit, described voice coil loudspeaker voice coil
By the conductive path on described sound film and external circuit transmitting telecommunication number.
Mini-sound device the most according to claim 1, it is characterised in that: described voice coil loudspeaker voice coil includes
Voice coil leads, described voice coil leads is electrically connected with the conductive path on described sound film.
Mini-sound device the most according to claim 2, it is characterised in that: described sound film includes
Towards lower surface and the upper surface relative with described lower surface of described voice coil loudspeaker voice coil, described conductive path runs through
The upper surface of described sound film and lower surface, described voice coil leads is electrically connected at the lower surface of described sound film,
Described external circuit is electrically connected at the upper surface of described sound film.
Mini-sound device the most according to claim 3, it is characterised in that: described sound film includes
Top dome portion, from outward extending ring portion of described top dome portion and be surrounded on around described ring portion with described
The joint portion that frame is fixing, described top dome portion is provided with the inside that the one end with described conductive path is connected
Pad, described joint portion is provided with the external pads that the other end with described conductive path is connected, described
Internal pads is welded with described voice coil leads, and described external pads welds with described external circuit.
Mini-sound device the most according to claim 1, it is characterised in that: described voice coil loudspeaker voice coil includes
A pair major axis limit and short a pair axle limit, described vibrating diaphragm is arranged at the short axle limit of described voice coil loudspeaker voice coil.
Mini-sound device the most according to claim 5, it is characterised in that: described vibrating diaphragm includes
The second fixed part that first fixed part fixing with described fixed system is connected with described voice coil loudspeaker voice coil and connection
Described first fixed part and the depressed part of the second fixed part.
Mini-sound device the most according to claim 6, it is characterised in that: described magnetic circuit system
Including magnetic bowl and be arranged at the magnet steel in described magnetic bowl, described magnetic bowl includes corresponding with described depressed part
Step down portion.
Mini-sound device the most according to claim 1, it is characterised in that: described magnetic circuit system
Including magnetic bowl, described frame includes two major axis sidewalls and two the short axle sidewalls connected therewith, described
Magnetic bowl includes base plate and the side plate extended from two lateral bucklings of described base plate, the short axle sidewall of described frame
It is provided with the second resettlement section housing described magnetic bowl side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224555.9U CN205657835U (en) | 2016-03-22 | 2016-03-22 | Micro sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224555.9U CN205657835U (en) | 2016-03-22 | 2016-03-22 | Micro sound production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205657835U true CN205657835U (en) | 2016-10-19 |
Family
ID=57355973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620224555.9U Active CN205657835U (en) | 2016-03-22 | 2016-03-22 | Micro sound production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205657835U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197412A (en) * | 2017-06-20 | 2017-09-22 | 瑞声科技(新加坡)有限公司 | Acoustical generator |
| CN108337611A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN108337609A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110062314A (en) * | 2018-08-14 | 2019-07-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group and its manufacturing method |
| CN111818432A (en) * | 2020-08-31 | 2020-10-23 | 歌尔股份有限公司 | Loudspeaker |
| WO2023115826A1 (en) * | 2021-12-21 | 2023-06-29 | 歌尔股份有限公司 | Sound production device and electronic device |
-
2016
- 2016-03-22 CN CN201620224555.9U patent/CN205657835U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197412A (en) * | 2017-06-20 | 2017-09-22 | 瑞声科技(新加坡)有限公司 | Acoustical generator |
| CN107197412B (en) * | 2017-06-20 | 2020-05-29 | 瑞声科技(新加坡)有限公司 | Sound generator |
| CN108337611A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN108337609A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110062314A (en) * | 2018-08-14 | 2019-07-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group and its manufacturing method |
| CN110062314B (en) * | 2018-08-14 | 2021-04-02 | 瑞声科技(新加坡)有限公司 | Loudspeaker module and manufacturing method thereof |
| CN111818432A (en) * | 2020-08-31 | 2020-10-23 | 歌尔股份有限公司 | Loudspeaker |
| CN111818432B (en) * | 2020-08-31 | 2020-12-08 | 歌尔股份有限公司 | Loudspeaker |
| WO2023115826A1 (en) * | 2021-12-21 | 2023-06-29 | 歌尔股份有限公司 | Sound production device and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |