CN206775729U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN206775729U CN206775729U CN201720130470.9U CN201720130470U CN206775729U CN 206775729 U CN206775729 U CN 206775729U CN 201720130470 U CN201720130470 U CN 201720130470U CN 206775729 U CN206775729 U CN 206775729U
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- CN
- China
- Prior art keywords
- voice coil
- layer
- elastic component
- carbon fiber
- microphone device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 46
- 239000004917 carbon fiber Substances 0.000 claims abstract description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229920001971 elastomer Polymers 0.000 claims abstract description 25
- 239000000806 elastomer Substances 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 7
- 239000003292 glue Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- -1 TPU (TPUE) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of microphone device, it is related to electro-acoustic product technical field, including magnetic circuit system and vibrational system, vibrational system includes vibrating diaphragm and the voice coil loudspeaker voice coil being connected with vibrating diaphragm, the end of voice coil loudspeaker voice coil is fixed with elastic component, and elastic component is composite construction, including at least one layer of elastomer layer and at least one layer of carbon fiber layer, also, at least one layer of carbon fiber layer is directly connected with the end of voice coil loudspeaker voice coil.Microphone device of the present utility model, the heat transfer between voice coil loudspeaker voice coil and elastic component can be blocked, play good heat-blocking action so that microphone device acoustical behavior is more stable, product reliability is more preferable.
Description
Technical field
Electroacoustic field is the utility model is related to, is specifically related to a kind of microphone device.
Background technology
Microphone device, as its name suggests, the device of sound can be transmitted, loudspeaker is exactly one of which.Produced along with electronics
Lightening, the miniaturization of product, Microspeaker are widely used to the terminal devices such as PC, toy for children, PDA, MP3
In, it, as a kind of device that can convert electrical signals to acoustical signal, is to influence the important component that end product sound puts effect.
As described above, the outward appearance of electronic product is more and more frivolous, and the fast development of portable electric appts is raised to miniature
Sound device system it is also proposed higher requirement, in the prior art, miniature to raise because the space by terminal electronic device is limited
The Aspect Ratio of sound device has increasing trend, and this allows for loudspeaker when low frequency section big displacement works, both sides short axle
Rocking vibration above and below easily occurring, to solve this problem, current most design are used in the lower end of voice coil loudspeaker voice coil
Suspension assembly (centring disk) is set between loudspeaker housing, vibrating diaphragm ring can be so aided on short-axis direction, applies one
Fixed rigidity, so as to suppress the rocking vibration above and below the short axle of both sides to keep balance vibration.But at present for Microspeaker
Power requirement more and more higher, voice coil loudspeaker voice coil produces substantial amounts of heat therewith, and suspension assembly is connected with voice coil loudspeaker voice coil, allows for suspension group
Part is easily influenceed and is deformed by high temperature, causes the distortion of loudspeaker, also easily causes suspension assembly and voice coil loudspeaker voice coil in addition
Separation, influence the reliability of product.
In order to solve the problems, such as voice coil loudspeaker voice coil radiating and high temperature, mostly by reducing input power and reducing the modes such as usage time
To realize, but these belong to the limitation to being made during use, can not meet the higher use demand of audient.
Utility model content
In view of the above-mentioned problems, technical problem to be solved in the utility model is：There is provided a kind of reliability preferable sounding
Device, by being improved to the structure of suspender, block the heat transfer between voice coil loudspeaker voice coil and suspender.
In order to solve the above problems, the technical solution of the utility model is：
A kind of microphone device, including magnetic circuit system and vibrational system；The vibrational system includes vibrating diaphragm and shaken with described
The voice coil loudspeaker voice coil that film is connected；The end of the voice coil loudspeaker voice coil is fixed with elastic component, wherein, the elastic component is composite construction, including extremely
Few one layer of elastomer layer and at least one layer of carbon fiber layer；Also, end of at least one layer of carbon fiber layer directly with the voice coil loudspeaker voice coil
Portion is connected.
Wherein, the carbon fiber layer being disposed adjacent is adhesively fixed with the elastomer layer by glue-line.
Wherein, the elastic component is three-layer composite structure, including one layer of carbon fiber layer and one layer of elastomer layer；The carbon is fine
The glue-line is provided between dimension layer and the elastomer layer.
Wherein, the end of the carbon fiber layer and the voice coil loudspeaker voice coil is adhesively fixed.
Wherein, the elastic component includes two layers of carbon fiber layer and one layer of elastomer layer；Two layers of carbon fiber
End of the layer with the voice coil loudspeaker voice coil is connected, or, the end of one layer of carbon fiber layer and the voice coil loudspeaker voice coil is connected, separately
One layer of carbon fiber layer is compounded in the one side of the remote voice coil loudspeaker voice coil of the elastomer layer.
Wherein, the elastic component injection of composite construction is integrated, and is fixed on the end of the remote vibrating diaphragm of the voice coil loudspeaker voice coil
Portion.
Wherein, the vibrating diaphragm includes ring portion；The elastic component is molded into ring shape, and the elastic component shakes with described
The depression in the ring portion of film is in opposite direction.
Wherein, the magnetic circuit system includes frame and the magnet and washer that are fixed in the frame；The frame bag
Base portion and side wall are included, the base portion is horizontally disposed, and the side wall is vertically installed in two longitudinal ends of the base portion；Institute
Elastic component is stated to stretch out from the short axle end of the base portion of the frame.
Wherein, in addition to the elastic component framework being connected；The framework sets the oriented close magnetic circuit system
The joint portion that the direction extension of system forms, the one end of the elastic component away from the voice coil loudspeaker voice coil is fixed on the joint portion.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Due to the microphone device in the technical program, its elastic component is composite construction, and including at least one layer of carbon fiber layer,
Here carbon fiber layer can play good heat insulating function, the heat transfer completely cut off between voice coil loudspeaker voice coil and elastic component, when voice coil loudspeaker voice coil exists
When temperature raises in the course of work, elastic component can be prevented because being deformed the influence by voice coil loudspeaker voice coil high temperature so that microphone device
Acoustical behavior is more stable；On the other hand, because elastic component is bonded together by glue and voice coil loudspeaker voice coil mostly, carbon fiber layer
Set and be also possible to prevent heated soften of glue and the phenomenon that voice coil loudspeaker voice coil is separated from each other with elastic component occur, improve the reliability of product；
Furthermore including the elastic component of carbon fiber layer, for the elastic component of simple elastomer layer, its endurance degree has increased
By force, the pliable stability of elastic component can be increased.
Brief description of the drawings
Fig. 1 is the major axis diagrammatic cross-section of the utility model microphone device product；
Fig. 2 is the top cross-sectional view of the utility model microphone device product；
Fig. 3 is the enlarged drawing of part A in Fig. 2；
Reference therein includes：1st, framework, 11, joint portion, 2, frame, 21, side wall, 3, magnet, 4, washer, 5,
Voice coil loudspeaker voice coil, 6, vibrating diaphragm, 7, elastic component, 71, carbon fiber layer, 72, elastomer layer, 73, glue-line.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
Embodiment：
Common shown referring to Figures 1 and 2, microphone device of the present utility model, including framework 1, framework 1 are arranged to middle part
Frame structure with receiving space, magnetic circuit system and vibrational system are contained in its receiving space.Wherein, magnetic circuit system includes
Frame 2 and it is adhesively fixed in magnet 3 and washer 4 in frame 2；Vibrational system includes voice coil loudspeaker voice coil 5 and is adhesively fixed with voice coil loudspeaker voice coil 5
Vibrating diaphragm 6, vibrating diaphragm 6 includes convex ring portion, but is shown herein as just a kind of embodiment, in fact, ring portion
It can also be recessed structure.In general, in order to improve high frequency, the centre position of vibrating diaphragm can combine reinforced structure, be mostly
Lamination layer structure (is not explicitly depicted) in accompanying drawing.Magnetic gap is formed between frame 2 and magnet 3, the end of voice coil loudspeaker voice coil 5 is suspended in the magnetic gap
In, when voice coil loudspeaker voice coil 5 receives the electric signal that size and Orientation does not wait, voice coil loudspeaker voice coil 5 can do the fortune of the reciprocating cutting magnetic line of force in magnetic gap
It is dynamic, drive vibrating diaphragm 6 fixed thereto to vibrate, vibrating diaphragm 6 vibrates caused sound wave can be by going out acoustic aperture (being not explicitly depicted in figure)
It is delivered to outside product, so as to instigate air sounding, finally converts electrical signals to acoustical signal, completes turn between electroacoustic
Change.
Easily there is the vibration that teeters to improve microphone device both sides short axle when low frequency section big displacement works
Phenomenon, microphone device of the present utility model also includes the elastic component 7 for being incorporated into the end of voice coil loudspeaker voice coil 5, specifically, elastic component 7 can be with
It is adhesively fixed with voice coil loudspeaker voice coil 5.In the present embodiment, elastic component 7 is fastened on the lower section of voice coil loudspeaker voice coil 5, that is, voice coil loudspeaker voice coil 5 is away from shaking
One end of film 6, it is necessary to which magnetic circuit system makes certain avoidance design, specifically, frame 2 includes base so in specific assembling
Portion and side wall 21, base portion is horizontally disposed, and side wall 21 is then set perpendicular to two longitudinal ends of base portion, different from the past
Frame structure, the microphone device of present embodiment are not provided with frame short axle side wall, can realize and keep away in the position of corresponding elastic component 7
Allow, such elastic component 7 can stretch out from the position of the short axle of the base portion of corresponding frame 2, can both ensure the complete of magnetic circuit system
Property, and easily realize the assembling of elastic component 7.Further, the other end (i.e. one end away from voice coil loudspeaker voice coil 5) and framework 1 of elastic component 7
It is connected, during implementation, the position of the corresponding elastic component 7 of framework 1 can extend to close to the direction of magnetic circuit system, formed and combined
Portion 11, the other end of elastic component 7 are securable on joint portion 11.
In order to prevent that elastic component 7 from deforming because of the influence of the high temperature of voice coil loudspeaker voice coil 5 and glue is by thermal softening, hair of the present utility model
Acoustic device, its elastic component 7 is designed as composite construction, including at least one layer of carbon fiber layer and at least one layer of elastomer layer, adjacent to set
Between the carbon fiber layer and elastomer layer put, between the carbon fiber layer and carbon fiber layer that are either disposed adjacent or it is disposed adjacent
Elastomer layer and elastomer layer between can be adhesively fixed by glue-line.And because carbon fiber layer has good heat-insulated work
With therefore, it shall be guaranteed that at least one layer of carbon fiber layer is that the end directly with voice coil loudspeaker voice coil 5 is connected, that is to say, that is needed
At least one layer of carbon fiber layer contacts the purpose for reaching adiabatic with voice coil loudspeaker voice coil 5, blocks the heat transfer between voice coil loudspeaker voice coil 5 and elastic component 7.Ginseng
Read shown in Fig. 3, in present embodiment, elastic component 7 is three-layer composite structure, including carbon fiber layer 71, elastomer layer 72 and viscous
Tie the glue-line 73 of the two, be directly in contact with voice coil loudspeaker voice coil 5 for carbon fiber layer 71, the two still can be fixed by glue, and carbon is fine
Dimension layer 71 is used as thermal insulation layer, realizes and blocks voice coil loudspeaker voice coil 5 and the technique effect of the heat transfer of elastic component 7.
Certainly, a kind of embodiment of the present utility model, in other implementations, bullet are illustrate only above
Property part 7 may be arranged as five layers even more layers composite construction, such as, when elastic component 7 is five layers of composite construction, its
Two layers of carbon fiber layer, one layer of elastomer layer and two layers of glue-line can be included.It can be two layers based on the heat-insulated effect of carbon fiber layer
Carbon fiber layer is connected with 5 ends of voice coil loudspeaker voice coil, or, the end of one layer of carbon fiber layer and voice coil loudspeaker voice coil 5 is connected, another layer
Carbon fiber layer is compounded in the one side of the remote voice coil loudspeaker voice coil 5 of elastomer layer, i.e., should be from top to bottom：Carbon fiber layer, glue-line, carbon are fine
The arrangement of layer, glue-line, elastomer layer is tieed up, or, the arrangement of carbon fiber layer, glue-line, elastomer layer, glue-line, carbon fiber layer.Need
Illustrate, above content be for so that the technical program more clearly and what is carried out schematically illustrate, during implementation, no
It is limited to above-mentioned several situations, as long as it disclosure satisfy that including at least one layer of carbon fiber layer and at least one layer of elastomer layer and extremely
Rare one layer of carbon fiber layer directly contacts with voice coil loudspeaker voice coil 5.
Elastic component 7 can be molded and be integrated, specifically, the shape of ring can be molded into, and can be with the folding of vibrating diaphragm 6
The depression of ring portion is in opposite direction, and in the present embodiment, i.e., vibrating diaphragm 6 is convex, and elastic component 7 is recessed, certainly, during specific implementation simultaneously
Do not limited or non-ring shape by this structure, or, with the depression direction of vibrating diaphragm 6 mutually it is equal it is other design, its
Have no effect on the implementation of the technical program.
Elastomer layer 72 in elastic component 7 is usually elastic material, including but not limited to PEEK (polyether-ether-ketone),
The materials such as TPU (TPUE), PU (polyurethane), PEN (PEN), silica gel.
Microphone device of the present utility model, elastic component 7 are designed as including at least one layer of carbon fiber layer and at least one layer elasticity
The composite construction of body layer, also, end of at least one layer of carbon fiber layer directly with voice coil loudspeaker voice coil is connected, and can both block voice coil loudspeaker voice coil
Heat transfer between elastic component, good heat-blocking action is played, prevent elastic component from, because of high temperature deformation, preventing voice coil loudspeaker voice coil and elasticity
Glue between part is caused the two separation by thermal softening, can strengthen the endurance degree of elastic component in itself again, strengthens elastic component
Pliable stability.
The utility model case study on implementation is these are only, is not limited to the utility model, as long as this area is common
The equivalent modification or change that technical staff is made according to the utility model disclosure, should all be included described in claims
Protection domain in.
Claims (9)
1. a kind of microphone device, including magnetic circuit system and vibrational system；The vibrational system include vibrating diaphragm and with the vibrating diaphragm
The voice coil loudspeaker voice coil being connected；The end of the voice coil loudspeaker voice coil is fixed with elastic component, it is characterised in that：The elastic component is composite construction, bag
Include at least one layer of elastomer layer and at least one layer of carbon fiber layer；Also, at least one layer of carbon fiber layer directly with the voice coil loudspeaker voice coil
End be connected.
2. microphone device according to claim 1, it is characterised in that：The carbon fiber layer being disposed adjacent and the elasticity
Body layer is adhesively fixed by glue-line.
3. microphone device according to claim 2, it is characterised in that：The elastic component is three-layer composite structure, including one
Layer carbon fiber layer and one layer of elastomer layer；The glue-line is provided between the carbon fiber layer and the elastomer layer.
4. microphone device according to claim 3, it is characterised in that：The end of the carbon fiber layer and the voice coil loudspeaker voice coil bonds
It is fixed.
5. microphone device according to claim 1, it is characterised in that：The elastic component include two layers carbon fiber layer and
One layer of elastomer layer；End of two layers of the carbon fiber layer with the voice coil loudspeaker voice coil is connected, or, one layer of carbon is fine
The end of dimension layer and the voice coil loudspeaker voice coil is connected, and another layer carbon fiber layer is compounded in the remote sound of the elastomer layer
The one side of circle.
6. microphone device according to claim 1, it is characterised in that：The elastic component injection of composite construction is integrated,
It is fixed on the end of the remote vibrating diaphragm of the voice coil loudspeaker voice coil.
7. microphone device according to claim 6, it is characterised in that：The vibrating diaphragm includes ring portion；The elastic component note
Mould as ring shape, and the elastic component and the depression in the ring portion of the vibrating diaphragm are in opposite direction.
8. microphone device according to claim 1, it is characterised in that：The magnetic circuit system includes frame and is fixed on institute
State the magnet and washer in frame；The frame includes base portion and side wall, and the base portion is horizontally disposed, and the side wall is hung down
Directly it is arranged at two longitudinal ends of the base portion；The elastic component stretches out from the short axle end of the base portion of the frame.
9. microphone device according to claim 1, it is characterised in that：Also include the frame being connected with the elastic component
Frame；The framework sets the joint portion that the direction extension of the oriented close magnetic circuit system forms, and the elastic component is away from described
One end of voice coil loudspeaker voice coil is fixed on the joint portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130470.9U CN206775729U (en) | 2017-02-13 | 2017-02-13 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720130470.9U CN206775729U (en) | 2017-02-13 | 2017-02-13 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775729U true CN206775729U (en) | 2017-12-19 |
Family
ID=60648788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720130470.9U Expired - Fee Related CN206775729U (en) | 2017-02-13 | 2017-02-13 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413542A (en) * | 2018-11-21 | 2019-03-01 | 南京常荣声学股份有限公司 | A kind of underwater acoustical generator of low-frequency high-power |
| WO2020029636A1 (en) * | 2018-08-05 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2017
- 2017-02-13 CN CN201720130470.9U patent/CN206775729U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020029636A1 (en) * | 2018-08-05 | 2020-02-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN109413542A (en) * | 2018-11-21 | 2019-03-01 | 南京常荣声学股份有限公司 | A kind of underwater acoustical generator of low-frequency high-power |
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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: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |