CN205545913U - Micro sound production device - Google Patents
Micro sound production device Download PDFInfo
- Publication number
- CN205545913U CN205545913U CN201620089258.8U CN201620089258U CN205545913U CN 205545913 U CN205545913 U CN 205545913U CN 201620089258 U CN201620089258 U CN 201620089258U CN 205545913 U CN205545913 U CN 205545913U
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- voice coil
- shell fragment
- mini
- sound device
- coil loudspeaker
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Abstract
The utility model provides a micro sound production device. Micro sound production device includes vibration system and fixing system, vibration system includes the sound membrane and is located the drive of sound membrane below the voice coil loudspeaker voice coil of sound membrane vibration sound production, vibration system further including set up in the peripheral elastic support of voice coil loudspeaker voice coil the shell fragment of voice coil loudspeaker voice coil, the shell fragment including direct with voice coil loudspeaker voice coil welded weld part, the voice coil loudspeaker voice coil passes through the shell fragment transmission signal of telecommunication. The utility model provides a micro sound production device, its lead wire of having cancelled the voice coil loudspeaker voice coil switches on the signal of telecommunication through the shell fragment, has reduced equipment process and welding seal line, has improved micro sound production device's reliability.
Description
[technical field]
This utility model relates to a kind of mini-sound device, particularly relates to the letter of a kind of mini-sound device
Number transmission structure.
[background technology]
For adapting to various stereo sets and the miniaturization of information communication device, multifunction development, it is desirable to
Mini-sound device used in this kind equipment more tends to miniaturization, makes described mini-sound device
Compacter with coordinating of other elements of periphery.Especially as the demand of the lightening development of mobile phone,
Volume requirement more miniaturization to the mini-sound device used in it, and minitype acoustic generator
The prescription of part is more and more higher.
In the mini-sound device structure of prior art, voice coil loudspeaker voice coil is leaded, and voice coil leads is by welding with frame
Connect fixing, thus import the signal of telecommunication, on the one hand, current demand signal is transmitted by the lead-in wire of voice coil loudspeaker voice coil, voice coil loudspeaker voice coil
In vibration processes, easily occur that lead-in wire is connected the phenomenon loosened with voice coil loudspeaker voice coil, causes the poor reliability of voice coil loudspeaker voice coil；
On the other hand, during mini-sound device work, its voice coil vibrations drives the vibration of sound film, the vibration of voice coil loudspeaker voice coil
Amplitude is not retrained by other parts, and its Oscillation Amplitude is relatively big, reduce further described in make miniature
The dependability of acoustic device.
Therefore, it is necessary to provide a kind of new mini-sound device to solve above-mentioned technical problem.
[utility model content]
The purpose of this utility model is to provide a kind of mini-sound device making voice coil loudspeaker voice coil.
The technical solution of the utility model is as follows:
A kind of mini-sound device, including vibrational system and fixed system, described vibrational system includes sound
Film and be positioned at below described sound film the voice coil loudspeaker voice coil driving described sound film vibration sounding, described vibrational system enters one
Step includes that being arranged at described voice coil loudspeaker voice coil peripheral elastomeric supports the shell fragment of described voice coil loudspeaker voice coil, and described shell fragment includes directly
The weld part welded with described voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil passes through described shell fragment transmitting telecommunication number.
Preferably, described shell fragment includes fixing the fixed part being connected with described fixed system and connecting institute
That states fixed part and described weld part flexibly connects arm.
Preferably, described voice coil loudspeaker voice coil includes fixing the first end face being connected with described sound film and with described first
The second end face that end face is relative, described weld part and the second end face are fixing to be connected.
Preferably, described shell fragment is 4, and 4 corners of described voice coil loudspeaker voice coil respectively arrange a described bullet
Sheet.
Preferably, flexibly connect arm described in exist along S-shaped bend towards described weld part from described fixed part
Extend in one plane.
Preferably, flexibly connect described in arm from described fixed part towards described weld part on direction of vibration
Rise and fall along ripple and extend.
Preferably, arm is flexibly connected described on direction of vibration for step-like.
Preferably, the fixed part of described shell fragment is fixed with described fixed system by glued or welding.
Preferably, described fixed system includes the frame with receiving space, the fixed part of described shell fragment
Fix with described frame.
Preferably, described fixed system includes the magnetic circuit system driving described vibrational system to vibrate, described
The fixed part of shell fragment is fixed with described magnetic circuit system.
The beneficial effects of the utility model are: the mini-sound device that this utility model provides, and cancel
The lead-in wire of mini-sound device voice coil loudspeaker voice coil in prior art, directly uses voice coil line and shell fragment welding, logical
Cross shell fragment and realize the transmission of the signal of telecommunication, owing to one end of voice coil loudspeaker voice coil directly contacts with shell fragment, the other end and sound
Film directly contacts, so that the up-down vibration amplitude of voice coil loudspeaker voice coil is restricted jointly by shell fragment and sound film, improves
The reliability of mini-sound device.
[accompanying drawing explanation]
Fig. 1 is this utility model mini-sound device stereochemical structure decomposing schematic representation；
Fig. 2 is the structural representation of mini-sound device frame shown in Fig. 1；
Fig. 3 is the axonometric chart of mini-sound device frame shown in Fig. 1；
Fig. 4 is the sectional view of line A-A along Fig. 3；
Fig. 5 is the part-structure schematic diagram after mini-sound device embodiment one shown in Fig. 1 assembles；
Fig. 6 be mini-sound device shown in Fig. 1 embodiment two in the structural representation of shell fragment；
Fig. 7 be mini-sound device shown in Fig. 1 embodiment three in the structural representation of shell fragment.
[detailed description of the invention]
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Refer to Fig. 1 and Fig. 3, for the stereochemical structure exploded pictorial of this utility model mini-sound device
Figure.Described mini-sound device 100 includes fixed system 1 and vibrational system 2, described fixed system 1
Including the frame 11 with receiving space, the magnetic circuit system 12 that is contained in described frame 11, described
Vibrational system 2 is driven its vibration sounding by described magnetic circuit system 12.
Refer to Fig. 2, for the structural representation of the frame of mini-sound device shown in Fig. 1.Described basin
Frame 11 has receiving space, and it includes end to end four sidewall 111 and described in the most adjacent two
The installation portion 112 that the junction of sidewall 111 is offered, and described installation portion 112 is located at described frame 11
Bottom surface.Described sidewall 111 is respectively the first side wall the 1111, second sidewall the 1112, the 3rd sidewall 1113
And the 4th sidewall 1114.The quantity that described installation portion 112 is offered according to described shell fragment 24 quantity and
Fixed, it is four in the present embodiment, is opened in described the first side wall 1111 and described second side respectively
The company that the junction that wall 1112 connects, described second sidewall 1112 are connected with described 3rd sidewall 1113
Meet place, junction that described 3rd sidewall 1113 is connected with described 4th sidewall 1114, the described 4th
Sidewall 1114 is connected the junction of 1111 with described the first side wall.
Incorporated by reference to refering to Fig. 1, Fig. 4 and Fig. 5, described magnetic circuit system 12 includes being contained in described frame
Magnetic bowl 121 in 11, the magnet steel 122 being attached on described magnetic bowl 121, pole piece 123 and train wheel bridge
124.Described magnet steel 122 includes main magnet steel 1221 and is arranged at the secondary magnetic of described main magnet steel 1221 surrounding
Steel 1222, described pole piece 123 is stacked on described main magnet steel 1221, and described train wheel bridge 124 holds
In described frame 11 and be stacked on described pole piece 123.Four described secondary magnet steel 1222 are symmetrical arranged
In four opposite flanks of described main magnet steel 1221, and and described main magnet steel 1221 between formed between magnetic
Gap.Described train wheel bridge 124 is the tabular of tool through hole, and it is in same plane with described pole piece 123.
Described pole piece 123 is positioned at the through hole of described train wheel bridge 124.It should be noted that described magnetic bowl 121,
Can be bowl-shape, it is also possible to for flat board, or for have flat board and the sidewall extended by flat board, as long as
The element of the base plate with placement magnet portion (such as magnet steel) all can be referred to as magnetic bowl.In the present embodiment,
Described magnetic bowl 121 is flat board.
Described vibrational system 2 includes voice coil loudspeaker voice coil 21, sound film 22, is positioned at the reinforcement above described sound film 22
Plate 23 and be arranged at described voice coil loudspeaker voice coil 21 peripheral elastomeric support described voice coil loudspeaker voice coil 21 shell fragment 24, described sound
Film 22 is fixing with described voice coil loudspeaker voice coil 21 to be connected.
Described voice coil loudspeaker voice coil 21 inserts in the magnetic gap of described magnetic circuit system 12.Described voice coil loudspeaker voice coil 21 includes and institute
State the second end face that fixing the first end face 211 connected of sound film 22 is relative with described first end face 211
212, described shell fragment 24 is welded and fixed with described second end face 212.Described shell fragment 24 is 4, institute
4 corners stating voice coil loudspeaker voice coil 21 respectively arrange a described shell fragment 24.
Described sound film 22 includes top dome 221 and from the described outward extending ring of top dome 221 222.Institute
State sound film 22 to be connected with described voice coil loudspeaker voice coil 21 and described frame 11 respectively, concrete, described sound film 22
Top dome 221 is connected with described voice coil loudspeaker voice coil 21, and the ring 222 of described sound film 22 is connected with described frame 11.
Embodiment one
Refer to Fig. 5, a part of structural representation of embodiment after assembling for mini-sound device shown in Fig. 1
Figure.
Described shell fragment 24 includes and described the fixed system 1 fixing fixed part 241 being connected and described sound
Enclose the weld part 242 of 21 connections and connect the flexibility of described fixed part 241 and described weld part 242
Linking arm 243.Concrete, the one side of described fixed part 241 both can with described in described frame 11
Installation portion 112 is fixing to be connected, it is also possible to the described magnetic bowl 121 of described magnetic circuit system 12 or described
Magnet steel 122 is fixing to be connected, and the another side of described fixed part 241 is connected with external circuit.Described shell fragment
The moulding of 24 can be diversified, as long as it meets and described fixes the 241 described frame of connection 11
Described installation portion 112, described weld part 242 connect the requirement of described voice coil loudspeaker voice coil 21.Described weldering
Described second end face 212 connecing portion 242 and described voice coil loudspeaker voice coil 21 is welded and fixed.Described shell fragment 24 is permissible
It is the circuit board with conductive path, it is also possible to be the shell fragment being made of an electrically conducting material, the described signal of telecommunication
Reach fixed part 241 by weld part 242 through flexibly connecting arm 243, then transmit to external circuit.
Described fixed part 241 by bonding or laser welding in the described installation portion 112 of described frame 11.
Described shell fragment 24 and described installation portion 112 can use bonding mode, and this kind of mode is simple to operate, square
Just, but glued at the most cracking phenomenon.And use the mode of laser welding to operate complexity,
But junction will be caused to depart from because of the reason such as high temperature, dampness by laser welding, effectively protect
Demonstrate,prove the stability of internal structure.
In embodiment one, described in flexibly connect arm 243 from described fixed part 241 towards described welding
Portion 242 extends in a plane along S-shaped bend, described in flexibly connect arm 243 by described fixed part 241
It is formed by connecting in same plain bending extension with described weld part 242.
Embodiment two
Refer to Fig. 6, for the structural representation of the embodiment two of mini-sound device shown in Fig. 1.Institute
The connected mode stating shell fragment 24 ' is identical with embodiment one, its difference be described in flexibly connect arm
243 ' prolong along ripple fluctuating towards described weld part 242 ' from described fixed part 241 ' on direction of vibration
Stretch, described in flexibly connect arm 243 ' the most in the same plane.
Embodiment three
Refer to Fig. 7, for the structural representation of the embodiment three of mini-sound device shown in Fig. 1.Institute
State shell fragment 24 " connected mode identical with embodiment one, its difference be described in flexibly connect
Arm 243 " from described fixed part 241 " towards described weld part 242 " it is step-like on direction of vibration,
Described flexibly connect arm 243 " the most in the same plane.
Described shell fragment 24 not only plays the effect of conduction, has also had the effect supporting fixing described voice coil loudspeaker voice coil 21,
Effectively solve the flapping issue that described voice coil loudspeaker voice coil 21 operationally produces, improve described miniature sounding
The effect of device 100 pure tone.
The mini-sound device that this utility model provides, eliminates mini-sound device sound in prior art
The lead-in wire of circle, is directly used voice coil line and shell fragment welding, is achieved the transmission of the signal of telecommunication by shell fragment,
Owing to one end of voice coil loudspeaker voice coil directly contacts with shell fragment, the other end directly contacts with sound film, so that voice coil loudspeaker voice coil
Up-down vibration amplitude is restricted jointly by shell fragment and sound film, improves the reliability of mini-sound device.
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 (10)
1. a mini-sound device, it includes vibrational system and fixed system, described vibrational system bag
Include sound film and be positioned at below described sound film the voice coil loudspeaker voice coil driving described sound film vibration sounding, it is characterised in that
Described vibrational system farther includes to be arranged at described voice coil loudspeaker voice coil peripheral elastomeric and supports the shell fragment of described voice coil loudspeaker voice coil,
Described shell fragment includes the weld part that direct and described voice coil loudspeaker voice coil welds, and described voice coil loudspeaker voice coil is transmitted by described shell fragment
The signal of telecommunication.
Mini-sound device the most according to claim 1, it is characterised in that: described shell fragment includes
Fix the fixed part being connected with described fixed system and connect the soft of described fixed part and described weld part
Property linking arm.
Mini-sound device the most according to claim 2, it is characterised in that: described voice coil loudspeaker voice coil includes
The first end face of connection and second end face relative with described first end face is fixed with described sound film, described
Weld part and the fixing connection of the second end face.
Mini-sound device the most according to claim 1, it is characterised in that: described shell fragment is
4,4 corners of described voice coil loudspeaker voice coil respectively arrange a described shell fragment.
Mini-sound device the most according to claim 2, it is characterised in that flexibly connect described in:
Arm extends in a plane along S-shaped bend towards described weld part from described fixed part.
Mini-sound device the most according to claim 2, it is characterised in that flexibly connect described in:
Arm extends along ripple fluctuating towards described weld part from described fixed part on direction of vibration.
Mini-sound device the most according to claim 2, it is characterised in that flexibly connect described in:
Arm is step-like on direction of vibration.
Mini-sound device the most according to claim 2, it is characterised in that: consolidating of described shell fragment
Determine portion to be fixed with described fixed system by glued or welding.
Mini-sound device the most according to claim 8, it is characterised in that: described fixed system
Including having the frame of receiving space, the fixed part of described shell fragment is fixed with described frame.
Mini-sound device the most according to claim 8, it is characterised in that: described fixing system
System includes the magnetic circuit system driving described vibrational system to vibrate, the fixed part of described shell fragment and described magnetic circuit
System is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089258.8U CN205545913U (en) | 2016-01-28 | 2016-01-28 | Micro sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089258.8U CN205545913U (en) | 2016-01-28 | 2016-01-28 | Micro sound production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545913U true CN205545913U (en) | 2016-08-31 |
Family
ID=56772900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620089258.8U Active CN205545913U (en) | 2016-01-28 | 2016-01-28 | Micro sound production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205545913U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396253A (en) * | 2017-09-05 | 2017-11-24 | 奥音科技（北京）有限公司 | Electro-acoustic conversion device and its hitch |
| WO2019037187A1 (en) * | 2017-08-25 | 2019-02-28 | 歌尔股份有限公司 | Sound emitting device |
| CN110149577A (en) * | 2019-05-09 | 2019-08-20 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110166902A (en) * | 2019-05-09 | 2019-08-23 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110213697A (en) * | 2019-05-09 | 2019-09-06 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110933561A (en) * | 2019-10-24 | 2020-03-27 | 厦门东声电子有限公司 | Loudspeaker with extremely small magnetic gap and assembling process |
| CN110996231A (en) * | 2019-10-24 | 2020-04-10 | 厦门东声电子有限公司 | Loudspeaker for enhancing vibration and assembling process |
| WO2021114308A1 (en) * | 2019-12-14 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Flexible circuit board and sound producing device |
-
2016
- 2016-01-28 CN CN201620089258.8U patent/CN205545913U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019037187A1 (en) * | 2017-08-25 | 2019-02-28 | 歌尔股份有限公司 | Sound emitting device |
| CN107396253A (en) * | 2017-09-05 | 2017-11-24 | 奥音科技（北京）有限公司 | Electro-acoustic conversion device and its hitch |
| CN107396253B (en) * | 2017-09-05 | 2024-01-30 | 奥音科技（镇江）有限公司 | Electroacoustic conversion device and suspension mechanism thereof |
| CN110149577A (en) * | 2019-05-09 | 2019-08-20 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110166902A (en) * | 2019-05-09 | 2019-08-23 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110213697A (en) * | 2019-05-09 | 2019-09-06 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN110166902B (en) * | 2019-05-09 | 2021-06-11 | 瑞声光电科技(常州)有限公司 | Sound production device |
| CN110149577B (en) * | 2019-05-09 | 2021-12-14 | 瑞声光电科技(常州)有限公司 | Sound production device |
| CN110933561A (en) * | 2019-10-24 | 2020-03-27 | 厦门东声电子有限公司 | Loudspeaker with extremely small magnetic gap and assembling process |
| CN110996231A (en) * | 2019-10-24 | 2020-04-10 | 厦门东声电子有限公司 | Loudspeaker for enhancing vibration and assembling process |
| WO2021114308A1 (en) * | 2019-12-14 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Flexible circuit board and sound producing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |