CN206993396U - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN206993396U CN206993396U CN201720753533.6U CN201720753533U CN206993396U CN 206993396 U CN206993396 U CN 206993396U CN 201720753533 U CN201720753533 U CN 201720753533U CN 206993396 U CN206993396 U CN 206993396U
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- China
- Prior art keywords
- voice coil
- microphone device
- shell
- centring disk
- lead
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Abstract
The utility model discloses a kind of microphone device, the vibrating diaphragm being fixed together including shell, with cage connection and the voice coil unit combined with vibrating diaphragm, voice coil unit includes voice coil loudspeaker voice coil and supports the skeleton of voice coil loudspeaker voice coil, centring disk is connected with voice coil unit, the signal being electrically connected with the lead-out wire of voice coil loudspeaker voice coil is provided with shell and accesses terminal, the resigning portion cut is provided with centring disk, the lead-out wire of voice coil loudspeaker voice coil is drawn by resigning portion, and is electrically connected with signal access terminal.Microphone device of the present utility model, LF-response is good and will not produce noise when carrying out high power work.
Description
Technical field
Electroacoustic field is the utility model is related to, is specifically related to a kind of microphone device.
Background technology
At present, audio amplifier has become a kind of electronic product popularized very much, and with the continuous progress of technology, consumer couple
In the requirement also more and more higher of tonequality.For audio amplifier, loudspeaker are most basic phonation units, the direct shadow of height of loudspeaker performance
The sound for ringing audio amplifier puts effect.
In the prior art, the lead-out wire of speaker voice coil is typically to be drawn between centring disk and vibrating diaphragm top dome, but when production
For product in high-power lower work or the higher requirement to acoustical behavior, product often has larger amplitude, but if to obtain
Higher acoustical behavior is obtained, it is necessary to ensure that product does not have noise.However, lead-out wire fair line mode of the prior art, is present
Voice coil loudspeaker voice coil lead-out wire gets to the risk of miscellaneous part, and in other words, the mode of this voice coil loudspeaker voice coil outlet has limitation in itself.
Utility model content
In view of the above-mentioned problems, technical problem to be solved in the utility model is：A kind of microphone device is provided, by fixed
Heart branch piece is cut, and is easy to the outlet from cutting of voice coil loudspeaker voice coil lead-out wire.
In order to solve the above problems, the technical solution of the utility model is：
A kind of microphone device, including shell, the vibrating diaphragm that is fixed together with the cage connection and with the vibrating diaphragm knot
The voice coil unit of conjunction, the voice coil unit include voice coil loudspeaker voice coil and support the skeleton of voice coil loudspeaker voice coil；Centering is connected with the voice coil unit
Branch piece, wherein, the signal being electrically connected with the lead-out wire of the voice coil loudspeaker voice coil is provided with the shell and accesses terminal；In the centering
The resigning portion cut is provided with branch piece；The lead-out wire of the voice coil loudspeaker voice coil is drawn by the resigning portion, and is connect with the signal
Enter terminal electric connection.
As an improvement the centring disk is rectangular configuration, including two long axle portions and two short axle portions；It is described to allow
Position portion is arranged at the inside of the centring disk and close to the position of the long axle portion；The resigning portion is located at the centring disk
Short-axis direction on.
As an improvement the shell is rectangular configuration, the signal access terminal is arranged at the major axis of the shell
In side wall；The lead-out wire of the voice coil loudspeaker voice coil is drawn from the major axis side of the centring disk.
As an improvement the voice coil loudspeaker voice coil has two lead-out wires, the resigning portion is correspondingly provided with two, and described two
Place's resigning portion is oppositely arranged.
As an improvement the signal access terminal and the shell integrated injection molding, also, the signal accesses
At least one shrinkage pool is provided with terminal.
As an improvement the centring disk includes the inward flange positioned at inner side, positioned at the outward flange in outside and set
Linkage section between the inward flange and the outward flange；The outward flange is adhesively fixed with the shell, the inward flange
It is adhesively fixed with the outer surface of the skeleton.
As an improvement the inward flange of the centring disk is inc structure, including two arcs being oppositely arranged
Section.
As an improvement the microphone device is long narrow microphone device, including at least two separate drivings
Unit；The driver element includes the voice coil unit and the magnetic circuit unit being correspondingly arranged with the voice coil unit.
As an improvement including at least two mounting holes being arranged side by side on the shell, the magnetic circuit unit is corresponding
In the mounting hole；It is provided with the side wall of the shell and goes out acoustic aperture for sound outgoing.
It is rectangle vibrating diaphragm as an improvement the vibrating diaphragm is provided with one, including the side being adhesively fixed with the shell
Edge and be arranged at the edge part inner side ring；The center of the vibrating diaphragm is combined with a flat top dome；
The top dome is resin expanded structure.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Due to the microphone device that the utility model is related to, centring disk can carry out adaptability with the appearance and size of product and set
Meter, while pliable product, lifting LF-response are maximumlly provided, good certralizing ability can be played.Further, since
It is provided with to cut on the short-axis direction of centring disk to form resigning portion so that voice coil leads are easily drawn, so big when carrying out
When power works, the amplitude of timely vibrational system is very big, and voice coil loudspeaker voice coil lead-out wire will not be also got on other parts, prevents miscellaneous
Sound.Centring disk is cut on short-axis direction herein, can also ensure simultaneously its pliable and good certralizing ability not by
Influence.
Due to being provided with least one shrinkage pool on signal access terminal, be advantageous to radiate, the shell for preventing from being in contact with it scalds
Wound, and when it is with shell integrated injection molding, the injection molding material at shrinkage pool increases, and can form firm grasp, increase
Its intensity being molded.
Because microphone device of the present utility model is long narrow moving-coil type acoustic generator, including at least two separate drives
Moving cell, its magnetic circuit unit are correspondingly installed in the mounting hole on shell, and this structure design can maximally utilize product
Volume, while by the driving force of multipath magnetic circuit, for existing structure design, its acoustical behavior can be more preferable.
Due to long narrow moving-coil type acoustic generator of the present utility model, multiple magnetic circuit units share a rectangle vibrating diaphragm and one
Individual tabular top dome, this flat roof structure can maximumlly utilize effective radiating area, further optimize product
Acoustical behavior；Further, since top dome is designed as resin expanded structure, its density low weight is light and rigid good, both can guarantee that
High sensitivity, product is caused to be not easy to polarize again, product frequency response response is good.
In summary, microphone device of the present utility model, when product high power work, the lead-out wire of voice coil loudspeaker voice coil can be eliminated
The risk of miscellaneous part is got to, noise will not be produced, ensures that product audition is normal, while the acoustics more optimized can be obtained
Energy.
Brief description of the drawings
Fig. 1 is the explosive view of the utility model embodiment microphone device；
Fig. 2 is the sectional view of the utility model embodiment microphone device；
Fig. 3 is the voice coil unit of the utility model embodiment microphone device and centring disk assemble after stereogram.
Reference therein includes：1st, top dome, 2, vibrating diaphragm, 3, centring disk, 31, outward flange, 32, inward flange, 33, even
Connect section, 34, resigning portion, 4, voice coil unit, 41, voice coil loudspeaker voice coil, 411, lead-out wire, 42, skeleton, 5, shell, 6, washer, 7, magnet, 8, T
Iron, 9, signal access terminal, 10, go out acoustic aperture, 11, the preceding operatic tunes, 12, the rear operatic tunes.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
Microphone device of the present utility model explains by taking a kind of moving-coil type acoustic generator of long narrow as an example (but to be not intended to limit
For such a acoustical generator structure), the moving-coil type acoustic generator of long narrow is typically a kind of acoustical generator structure of more drivings, including at least two
Individual separate driver element, each driver element include voice coil unit and with voice coil unit cooperate and it is corresponding
The magnetic circuit unit of setting.For convenience of description, described in detail below by taking the embodiment of two driver elements as an example.
Embodiment：
As Fig. 1-Fig. 2 is jointly shown, the long narrow moving-coil type acoustic generator of present embodiment includes two driver elements, that is, wraps
Two voice coil units 4 and two corresponding magnetic circuit units are included, wherein, voice coil unit 4 includes voice coil loudspeaker voice coil 41 and supports the bone of voice coil loudspeaker voice coil
Frame 42, voice coil loudspeaker voice coil 41 are connected by skeleton 42 with vibration component (such as being connected with top dome 2).Vibration component includes a rectangle
Vibrating diaphragm 2 and be incorporated in vibrating diaphragm 2 centre position top dome 1, top dome 1 is designed as tabular.It should be noted that vibrating diaphragm herein
2 can maximumlly utilize effective radiating area with the structure that top dome 1 is similar strip, this structure design, further
Optimize the acoustical behavior of product.Vibrating diaphragm 2 includes the edge part being adhesively fixed with shell 5 and the folding being arranged on the inside of edge part
Ring, ring can be convex or recessed structure.
Magnetic circuit unit includes T iron 8, the magnet 7 and washer 6 that are sheathed in T iron 8, wherein, T iron 8 include circular base with
And the stem from the raised extension vertically upward of the middle part of base, magnet 7 and washer 6 are disposed as circle, the equal perforate in middle part, and
The aperture of perforate should be more than the external diameter of the stem of T iron 8, and gap therebetween is to form the magnetic gap of magnetic circuit system, voice coil loudspeaker voice coil 41
Lower end be placed in the magnetic gap.
For the ease of assembling, two mounting holes can be provided with spacing side by side on shell 5, magnetic circuit unit is correspondingly assemblied in often
At individual mounting hole, during implementation, outer casing bottom can be the design of hollow out or corresponding magnetic circuit is cut out in outer shell bottom wall
The part of size, mainly need the size of the base of corresponding T iron 8.
Signal access terminal 9 is provided with shell 5 simultaneously, signal access terminal 9 can be shell fragment, pad or FPCB
Conducting structures such as (flexible print circuit boards), by taking shell fragment as an example, it can be simple with the integrated injection molding of shell 5, moulding process.
Common electric connection structure is：The lead-out wire 411 of voice coil loudspeaker voice coil adds terminal 9 with signal and electrically conducted, signal access terminal 9 and outside
Circuit turn-on, so inputs voice coil loudspeaker voice coil 41 by current signal, and voice coil loudspeaker voice coil 41 can do reciprocating cutting magnetic induction line in the presence of electromagnetic field
Motion, vibrating diaphragm 2 is driven to vibrate by skeleton 42, sound wave caused by vibration can be then radiated to by the acoustic aperture 10 that goes out on shell 5
It is extraneous.In present embodiment, go out acoustic aperture 10 and be opened in two major axis side walls of shell 5, and going out in each major axis side wall
Acoustic aperture can be provided with two or more, preferably equidistantly be evenly arranged, to cause sound wave to be more uniformly distributed to external radiation.
In addition, as shown in figure 3, the long narrow moving-coil type acoustic generator of present embodiment, its centring disk 3 can be with product
Appearance and size be designed, rather than use traditional circular design, in the present embodiment, centring disk 3 is designed to
The profile of rectangle, can maximumlly provide that product is pliable, lifting LF-response, while can also play good centering and make
With.In traditional horn structure, voice coil loudspeaker voice coil lead-out wire 411 usually requires to draw between centring disk and top dome, but this draws
Go out mode lead-out wire in the case of product high power work and be easy to get to other parts, to this part in the technical program
Also improved, i.e., cut centring disk 3 on short-axis direction, so voice coil loudspeaker voice coil lead-out wire 411 can be made to hold very much
Easy is brought out, and is turned on signal access terminal 9, can specifically use the modes such as welding conducting, conductive gluing knot, herein no longer
Repeat.
It has been observed that the centring disk 3 of present embodiment is really a ring with rectangular profile, including outward flange 31,
Inward flange 32 and the linkage section 33 of connection outward flange 31 and inward flange 32, wherein, outward flange 31 and the side wall of shell 5 bond admittedly
It is scheduled on together, and together with inward flange 32 is then adhesively fixed with the lateral surface of skeleton 42, play certralizing ability.It is not difficult to find out, it is fixed
Heart branch piece 3 is different from the centring disk structure in conventional horn structure, and its linkage section 33 is not the structure of a closure, but
Have (being designed as two relative segmental arcs) of disconnection, the gap be it is foregoing it is cropped fall part.Because centering branch
Piece 3 has the profile of rectangle, and can define centring disk 3 includes two long axle portions and two short axle portions, specifically can be along short axle side
To being cut, the part cut is i.e. as the resigning portion 34 drawn for lead-out wire 411.So when progress high power work
When, the amplitude of timely vibrational system is very big, and voice coil loudspeaker voice coil lead-out wire will not be also got on other parts, prevent noise.Herein
Why can select to be cut on short-axis direction, be that short-axis direction has narrower width because for compared to major axis,
The pliable and its due good certralizing ability of centring disk 3 itself is not interfered with after cutting.
More specifically, signal access terminal 9 is incorporated in the major axis side wall of shell 5, now, the resigning portion of centring disk 3
34 be position internally positioned and close to its long axle portion, and such lead-out wire 411 is just easy for can be from its long axle portion one
Side is drawn, and signal access terminal 9 is electrically connected with.Technical staff can generally take two kinds of different connection sides when implementing
Formula：A kind of is directly to electrically connect lead-out wire 411 with signal access terminal 9 in outside along to the outside of shell 5；Another kind is
Signal access terminal 9 can be set positioned at the outside of shell 5 for the part that is turned on external circuit and positioned at shell 5 simultaneously
Inner side for the part that is electrically connected with lead-out wire 411, now, lead-out wire 411 is by resigning portion 31 along to signal incoming end
The interior section of son 9, the two completes electrical connection.
Because voice coil loudspeaker voice coil 41 is designed with two lead-out wires 411, it is readily understood that, when it is implemented, can set at two
Resigning portion 34, and positioned opposite, make lead-out wire 411 from this relative position outlet at two.
Linkage section 33 referred to herein includes some, and some uniform intervals of linkage section 33 are set, each connection
Section is the structure that raises up, and the height of projection all same of the linkage section.For the technical program, centring disk
Outward flange 31 is complete, and the linkage section 33 and inward flange 32 positioned at the inner side of outward flange 31 are incomplete structures, just
For linkage section 33, due to needing to be stepped down to lead-out wire 411, inevitably there is part linkage section 33 also to carry out accordingly
Cut.Certainly, the concrete structure design of centring disk 3 can follow the profile of product and size to carry out the adjustment of adaptability,
A kind of specific embodiment simply is enumerated herein, is not limited thereto.
As a preferred embodiment, in the technical program, the signal for electrically connecting lead-out wire 411 adds terminal
At least one shrinkage pool can be set on 9, and these shrinkage pools can be arranged on the edge of signal access terminal 9, can also be simultaneously remote
The centre position of isolated edge part is set, and main purpose is advantageous for radiating, and the shell for preventing from being in contact with it is burned.The opposing party
Face, due to signal access terminal 9 be typically with the integrated injection molding of shell 5, therefore when signal access terminal 9 on arrange it is recessed
Kong Shi, injection molding material can be formed firm grasp, increase the intensity of its injection more to enter shrinkage pool part.
Preferably, top dome 2 is foaming structure, can be specifically PMI foaming or resin expanded or foam material with
The combination of glass, plank etc., i.e. top dome 2 can be individual layer foaming structure or composite construction, and flat board top dome 2 is using hair
Bubble structure, its density low weight is light, and rigidity is good, both can guarantee that high sensitivity, and and can ensures that product is not easy to polarize, product frequency
Response is good.
In the technical program, the front space of centring disk 3 forms the preceding operatic tunes 11, the back space shape of centring disk 3
Into the rear operatic tunes 12, specifically, centring disk 3, skeleton 42, vibrating diaphragm 2 and shell 5 side wall between space form the preceding operatic tunes
11, the space between centring disk 3, magnetic circuit unit and the side wall of shell 5 forms the rear operatic tunes 12, wherein, go out acoustic aperture 10 and preceding sound
It is interconnected between chamber 11, then the operatic tunes 12 then needs to be designed as acoustic seal, also, the preceding operatic tunes 11 and the rear operatic tunes 12
Between it is also mutually isolated.
The long narrow moving-coil type acoustic generator part of present embodiment, compared to existing technologies, it is applied to similar
On the product of soundbar audio amplifiers, size can be done thinner, and utilize multipath magnetic circuit+multitone ring+more centring disks+one vibrating diaphragm
The structure of+one flat board top dome, can maximally utilize product space, greatly improve the effective radiating area of product, and help
In the tonequality for improving product.
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 (10)
1. a kind of microphone device, including shell, the vibrating diaphragm that is fixed together with the cage connection and combined with the vibrating diaphragm
Voice coil unit, the voice coil unit include voice coil loudspeaker voice coil and support voice coil loudspeaker voice coil skeleton；Centering branch is connected with the voice coil unit
Piece, it is characterised in that：The signal being electrically connected with the lead-out wire of the voice coil loudspeaker voice coil is provided with the shell and accesses terminal；Described
The resigning portion cut is provided with centring disk；The lead-out wire of the voice coil loudspeaker voice coil is drawn by the resigning portion, and with the letter
Number access terminal be electrically connected with.
2. microphone device according to claim 1, it is characterised in that：The centring disk is rectangular configuration, including two
Long axle portion and two short axle portions；The resigning portion is arranged at the inside of the centring disk and close to the position of the long axle portion；
The resigning portion is located on the short-axis direction of the centring disk.
3. microphone device according to claim 2, it is characterised in that：The shell is rectangular configuration, the signal access
Terminal is arranged in the major axis side wall of the shell；The lead-out wire of the voice coil loudspeaker voice coil draws from the long axle portion side of the centring disk
Go out.
4. microphone device according to claim 3, it is characterised in that：The voice coil loudspeaker voice coil has two lead-out wires, the resigning
Portion is correspondingly provided with two, and resigning portion is oppositely arranged at described two.
5. microphone device according to claim 4, it is characterised in that：The signal access terminal is integrally noted with the shell
Type is moulded into, also, at least one shrinkage pool is provided with signal access terminal.
6. microphone device according to claim 5, it is characterised in that：The centring disk includes the inner edge positioned at inner side
Edge, the linkage section positioned at the outward flange in outside and between the inward flange and the outward flange；The outward flange and institute
State shell to be adhesively fixed, the outer surface of the inward flange and the skeleton is adhesively fixed.
7. microphone device according to claim 6, it is characterised in that：The inward flange of the centring disk is inc knot
Structure, including two segmental arcs being oppositely arranged.
8. microphone device according to claim 1, it is characterised in that：The microphone device is long narrow microphone device, bag
Include at least two separate driver elements；The driver element include the voice coil unit and with the voice coil unit pair
The magnetic circuit unit that should be set.
9. microphone device according to claim 8, it is characterised in that：Include at least two be arranged side by side on the shell
Mounting hole, the magnetic circuit unit are correspondingly arranged in the mounting hole；Going out for sound outgoing is provided with the side wall of the shell
Acoustic aperture.
10. microphone device according to claim 9, it is characterised in that：The vibrating diaphragm is provided with one, is rectangle vibrating diaphragm,
Ring including the edge part being adhesively fixed with the shell and the inner side for being arranged at the edge part；The center of the vibrating diaphragm
Position is combined with a flat top dome；The top dome is resin expanded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753533.6U CN206993396U (en) | 2017-06-26 | 2017-06-26 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753533.6U CN206993396U (en) | 2017-06-26 | 2017-06-26 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206993396U true CN206993396U (en) | 2018-02-09 |
Family
ID=61399886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720753533.6U Active CN206993396U (en) | 2017-06-26 | 2017-06-26 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206993396U (en) |
-
2017
- 2017-06-26 CN CN201720753533.6U patent/CN206993396U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230410 Address after: 261031 Weian Road, Ligu community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee after: Weifang geldanna Electronic Technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee before: GOERTEK DYNAUDIO Co.,Ltd. |