CN107484090A - A kind of receiver and its assembly technology - Google Patents
A kind of receiver and its assembly technology Download PDFInfo
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- CN107484090A CN107484090A CN201710621146.1A CN201710621146A CN107484090A CN 107484090 A CN107484090 A CN 107484090A CN 201710621146 A CN201710621146 A CN 201710621146A CN 107484090 A CN107484090 A CN 107484090A
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- fixed
- elastic component
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- 238000005516 engineering process Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims abstract description 10
- 239000013536 elastomeric material Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 1
- 238000005728 strengthening Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 238000011900 installation process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 23
- 230000002829 reductive effect Effects 0.000 description 17
- 230000002441 reversible effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
- 230000005611 electricity Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000012528 membrane Substances 0.000 description 8
- 239000000696 magnetic material Substances 0.000 description 7
- 230000005415 magnetization Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000002153 concerted effect Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 208000002925 dental caries Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001017 Alperm Inorganic materials 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/001—Moulding aspects of diaphragm or surround
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The present invention discloses a kind of receiver and its assembly technology, and receiver includes shell, vibrating diaphragm mechanism, elastic component and electromagnetic assembly.Vibrating diaphragm mechanism is arranged in the inner chamber of shell, has the oscillating plate that one end is vacantly set；Elastic component one end is fixed on oscillating plate, and the other end is fixed on the internal face of shell；Electromagnetic assembly includes permanent magnet and coil.Assembly technology comprises the following steps：Permanent magnet is fixed on elastic component, and elastic component one end is fixed on the internal face of the second housing, and coil is fixed on the internal face of the second housing；The elastic component other end is fixed on oscillating plate；By on vibrating diaphragm mechanism fixing shell internal face.Coil generating electromagnetic field driving permanent magnet drives elastic component to have bending deformation quantity on the direction parallel to oscillating plate, namely, set without coil and permanent magnet face, with the bending deformation quantity parallel with oscillating plate when as long as elastic component does of reciprocating vibration, it is of reciprocating vibration that oscillating plate can be achieved, installation process is simplified, improves sensitivity.
Description
Technical field
The present invention relates to the technical field of receiver, and in particular to a kind of receiver and its assembly technology.
Background technology
Receiver is a kind of electro-acoustic element that audio electrical signal is converted into voice signal under the conditions of voiceless sound leakage, extensively
It is general to be applied in the communication terminal devices such as mobile phone, landline telephone, earphone, realize the output of audio.
With the continuous development of mobile device, the structure of receiver is continuously updated, such as Japanese documentation
JP10301573A discloses a kind of receiver, including cover body, bottom plate, magnet steel, coil, iron core, vibrating diaphragm, perm magnet and ring
Shape isolates cylinder.Wherein, bottom plate is arranged on the bottom opening of cover body, to surround the installation cavity of a closure；Annular isolation
Cylinder is fixed on bottom plate top surface, and perm magnet is fixed on the oscillating plate top surface of vibrating diaphragm mechanism, vibrating diaphragm mechanism water
Safety is on the top stage face of annular isolation cylinder；Magnet steel is fixed on bottom plate, and coil is set in outside magnet steel and is located at
Annular isolation inner barrel.
The receiver of this structure, when not giving coil electricity, the fixed magnetic field of magnet steel has what is attracted downwards to soft magnetic bodies
Attraction；After to coil electricity, electromagnetic field caused by coil electricity is come the active force that increases or weaken fixed magnetic field so that shakes
Film vibrates in vertical direction, to realize the of reciprocating vibration of vibrating diaphragm, and then agitates air vibration sounding.
But the receiver of this structure, in assembling, it is desirable to coil, permanent magnet and the equal face of perm magnet are set, and
It is very high to the magnetic requirements of perm magnet, it can delicately drive oscillating plate to do of reciprocating vibration, this assembler to receiver
Skill requires quite strict, if in installation process, when coil, permanent magnet and perm magnet misplace, will extend oscillating plate
Response time, influence drive mechanism driving vibration panel vibration sensitivity difference the problem of.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome the assembly technology requirement of receiver of the prior art tight
Lattice, if after the installation of receiver inner part is not in place, the problem of easily causing sensitivity of receiver difference.
Therefore, the present invention provides a kind of receiver, including
Shell, there is inner chamber；
Vibrating diaphragm mechanism, it is arranged in the inner chamber of the shell, the inner chamber of the shell is separated into the first cavity and second
Cavity；It has the oscillating plate that one end is vacantly arranged in the inner chamber；
Elastic component, it is arranged in second cavity, one end is fixed on the oscillating plate, and the other end is fixed on described outer
On the internal face of shell；
Electromagnetic assembly, it is arranged in second cavity, there is the permanent magnet being arranged on the elastic component, and be used for
The permanent magnet is driven to drive the elastic component to have at least the one of bending deformation quantity on the direction parallel to the oscillating plate
Individual coil.
Preferably, above-mentioned receiver, the elastic component include the first canned paragraph being fixed on described oscillating plate one end,
The second canned paragraph being fixed on the outer casing inner wall face, and first canned paragraph is connected with second canned paragraph and
Outstanding changeover portion, the permanent magnet are fixed on the changeover portion.
It is further preferred that above-mentioned receiver, the changeover portion has supporting part, is molded on the supporting part both ends
And the inclined first connecting portion of first canned paragraph and the second canned paragraph and second connecting portion are respectively facing, first connection
The other end of portion and the second connecting portion is separately fixed on first canned paragraph and second canned paragraph；The permanent magnetism
Body is fixed on the supporting part.
It is further preferred that above-mentioned receiver, the changeover portion is made of elastomeric material, and first canned paragraph is consolidated
It is scheduled on the free end of the oscillating plate.
Preferably, above-mentioned receiver, the electromagnetic assembly also include the increasing magnet assembly being arranged in second cavity,
The coil be set in it is described increasing magnet assembly on, it is described increase magnet assembly be used for strengthen the coil generating electromagnetic field intensity and by
After magnetization, there is required polarity on its both ends, the bipolarity end of described both ends for increasing magnet assembly relatively described permanent magnet respectively
Set.
It is further preferred that above-mentioned receiver, the permanent magnet is outside the increasing magnet assembly, the increasing magnet assembly magnetic
Towards the both ends opposite polarity of described two polar ends of permanent magnet after change.
It is further preferred that above-mentioned receiver, the increasing magnet assembly has the first arm, and by being molded over described first
Connecting portion connection and second arm parallel with first arm, at least one coil on arm are set in the increasing magnet assembly
On, one end of the remote connecting portion of first arm and second arm is respectively facing a polarity of the permanent magnet
End.
It is further preferred that above-mentioned receiver, the inside for increasing magnet assembly has hollow area, and the permanent magnet is stretched
Enter in the hollow area and the preset clearance between the wall of hollow area this described, towards institute after the increasing magnet assembly magnetization
The both ends polarity for stating permanent magnet bipolarity end is identical.
It is further preferred that above-mentioned receiver, the increasing magnet assembly has the first arm, and by being molded over described first
Connecting portion connection and second arm parallel with first arm, at least one coil on arm are set in the increasing magnet assembly
On；The hollow area is surrounded between first arm and second arm, first arm and second arm are away from the connection
The one end in portion is respectively facing a polar end of the permanent magnet.
It is further preferred that at least one line is arranged respectively on above-mentioned receiver, first arm and second arm
Circle.
It is further preferred that above-mentioned receiver, the increasing magnet assembly also includes being arranged on the connecting portion and being located at
Intermediate arm between first arm and the second arm, the coil are set on the intermediate arm；
First arm and second arm stretch out the intermediate arm and stretched out, and the permanent magnet stretches into the centre
In the hollow area surrounded between arm and first arm, the second arm.
Preferably, above-mentioned receiver, the shell have the first housing being made up of the first bottom surface and side wall, Yi Jiyou
The second housing that second bottom surface is formed with side wall；Second housing is removably fastened with first housing and surrounded in described
Chamber.
The present invention provides a kind of assembly technology of receiver, it is characterised in that comprises the following steps：
S1：Permanent magnet is fixed on elastic component, and one end of elastic component is fixed on the internal face of the second housing, and coil is fixed
On the internal face of the second housing so that coil is relative with permanent magnet；
S2：The other end of elastic component is fixed on the oscillating plate of vibrating diaphragm mechanism；
S3：The fixed frame of vibrating diaphragm mechanism is fixed on the internal face of the first housing or the second housing, then by the first housing
Fixed with the opening of the second housing；Or
The fixed frame of vibrating diaphragm mechanism is fixed between the opening of the first housing and the second housing.
It is further preferred that above-mentioned receiver, the receiver also includes increasing magnet assembly；
In S1 steps, coil is set in increased on magnet assembly in advance, then be fixed on magnet assembly is increased in the second housing
On wall；
So that permanent magnet is positioned at increasing, magnet assembly is outer or so that permanent magnet in the hollow area for increasing magnet assembly, increases magnetic portion
The both ends of part are relative with permanent magnet bipolarity end.
It is further preferred that above-mentioned receiver, the increasing magnet assembly takes the shape of the letter U；
In S1 steps, coil is set in U-shaped and increased on an arm of magnet assembly so that permanent magnet is located at U-shaped and increases magnetic portion
Outside part；Or
In S1 steps, at least two coils are respectively sleeved at U-shaped and increased on two arms of magnet assembly so that permanent magnet is stretched
Enter U-shaped to increase in the hollow area surrounded between two parallel arms of magnet assembly.
It is further preferred that above-mentioned receiver, the increasing magnet assembly is in E shapes；
In S1 steps, coil is set in E shapes and increased on the intermediate arm of magnet assembly so that permanent magnet is located at E shapes and increases magnetic portion
Outside part, or permanent magnet is stretched between the intermediate arm of E shapes and two sides aligned parallel arm in the hollow area surrounded.
Technical solution of the present invention, have the following advantages that：
1 receiver provided by the invention, including shell, vibrating diaphragm mechanism, elastic component and electromagnetic assembly.Vibrating diaphragm mechanism is set
In the inner chamber of shell, the inner chamber of shell is separated into the first cavity and the second cavity, there is one end vacantly to set in the lumen
Oscillating plate；Elastic component is arranged in the second cavity, and oscillating plate is fixed in one end, and the other end is fixed on the internal face of shell；
Electromagnetic assembly is arranged in the second cavity, has the permanent magnet being arranged on elastic component, and for driving permanent magnet band to move
Property part on the direction parallel to oscillating plate have bending deformation quantity at least one coil.
The receiver of this structure, coil generating electromagnetic field driving permanent magnet drive elastic component in the direction parallel to oscillating plate
Upper to have bending deformation quantity, the bending deformation quantity of elastic component is having component on oscillating plate direction, component driving vibration
Plate in the vertical direction does of reciprocating vibration, is set without coil and the complete face of permanent magnet, due between permanent magnet and oscillating plate
It is directly connected to by elastic component, as long as electromagnetic field caused by coil drives elastic component to have bending on parallel to oscillating plate direction
Deflection, you can the of reciprocating vibration of oscillating plate in the vertical direction is realized, so as to improve the sensitivity of receiver.
2. receiver provided by the invention, elastic component includes the first canned paragraph, the second canned paragraph and changeover portion.First fixes
One end of section is fixed on oscillating plate, and on the second canned paragraph fixing shell internal face, changeover portion consolidates the first canned paragraph and second
Determine section connection and outstanding setting.The elastic component of this structure is compared with vertical elastic component, under the driving of identical electromagnetic force,
Due to the outstanding setting of changeover portion so that the bending deformation quantity that elastic component has on parallel to oscillating plate direction is bigger,
So that the Oscillation Amplitude of elastic component in the vertical direction is bigger；Under identical amplitude, the elasticity of the elastic component is bigger, vibration frequency
Rate is higher, so as to further improve the sensitivity of vibration panel vibration.
3. the assembly technology of receiver provided by the invention, comprises the following steps：S1：Permanent magnet is fixed on elastic component,
One end of elastic component is fixed on the internal face of the second housing, and coil is fixed on the internal face of the second housing so that coil with
Permanent magnet is relative；S2：The other end of elastic component is fixed on the oscillating plate of vibrating diaphragm mechanism；S3：The fixed frame of vibrating diaphragm mechanism is consolidated
It is scheduled on the internal face of the first housing or the second housing, then the opening of the first housing and the second housing is fixed；Or by vibrating diaphragm
The fixed frame of mechanism is fixed between the opening of the first housing and the second housing.
This assembly technology, as the first module, vibrating diaphragm mechanism is used as for coil and permanent magnet, elastic component and the second housing
Two modules, the first housing is as the 3rd module, and because the structure of receiver compares for traditional receiver, number of components subtracts
It is few so that the assembly technology of receiver is simple, and three modules are installed in advance, finally by three module general assemblies, to complete receiver
Assembling process, so as to improve receiver packaging efficiency.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the longitudinal profile schematic diagram of the first embodiment of the receiver that the embodiment of the present invention 1 provides；
Fig. 2 is the vibrating diaphragm mechanism schematic top plan view (not showing tibial membrane) of receiver in Fig. 1；
Fig. 3 is Tu2Zhong vibrating diaphragms mechanism longitudinal profile schematic diagram；
Fig. 4 is elastic component structural representation in Fig. 1；
Fig. 5 is the sinusoidal variations curve that the embodiment of the present invention 1 is passed through electric current to coil；
Fig. 6 is the longitudinal profile schematic diagram of the first embodiment of the receiver that the embodiment of the present invention 2 provides；
Fig. 7 is the longitudinal profile schematic diagram of the first embodiment of the receiver that the embodiment of the present invention 3 provides；
Fig. 8 is the longitudinal profile schematic diagram (permanent magnet of the alternative embodiments for the receiver that the embodiment of the present invention 3 provides
It is setting up and down)；
Fig. 9 is that the longitudinal profile schematic diagram of the first embodiment of the receiver that the embodiment of the present invention 4 provides (removes the right side
Side wall)；
Figure 10 is that the cross sectional plan view of the first embodiment of the receiver that the embodiment of the present invention 4 provides (removes vibrating diaphragm
Mechanism)；
Figure 11 is that the cross sectional plan view of the first embodiment of the receiver that the embodiment of the present invention 5 provides (removes vibrating diaphragm
Mechanism)；
Description of reference numerals：
1- shells；The housings of 11- first；111- senders；The housings of 12- second；The cavitys of 13- first；The cavitys of 14- second；
2- vibrating diaphragms mechanism；21- fixed frames；22- oscillating plates；23- tibial membranes；24- gaps；
3- elastic components；The canned paragraphs of 31- first；The canned paragraphs of 32- second；33- changeover portions；331- supporting parts；332- first connects
Socket part；333- second connecting portions；
41- permanent magnets；The permanent magnets of 411- first；The permanent magnets of 412- second；42- coils；421- first coils；422- second
Coil；43- increases magnetic assembly；The arms of 431- first；The arms of 432- second；433- intermediate arms.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It is be combined with each other into conflict can.
Embodiment 1
The present embodiment provides a kind of receiver, as shown in figure 1, including shell 1, vibrating diaphragm mechanism 2, elastic component, electromagnetic assembly.
Wherein, shell 1 is included with the first housing 11 being made up of the first bottom surface and side wall, and by the second bottom surface and side
The second housing 12 that wall is formed；Second housing 12 removably fastens with the first housing 11 and surrounds inner chamber.Vibrating diaphragm mechanism 2 is arranged on
In the inner chamber of shell 1, and the inner chamber of shell 1 is divided into the first cavity 13 close to the first bottom surface and the close to the second bottom surface
Two cavitys 14.That is, the inner chamber of the first housing 11, as the first cavity 13, the inner chamber of the second housing 12 is as the second cavity 14.
First housing 11 and the second housing 12 are preferably made of Alperm.Sender is offered in the side wall of first housing 11
111。
As shown in Figures 2 and 3, vibrating diaphragm mechanism 2 includes fixed frame 21, oscillating plate 22 and tibial membrane 23, and fixed frame 21 is solid
It is scheduled between the opening of the first housing 11 and the second housing 12, such as spot welding fixed form, or with glue sticking mode；Tibial membrane
23 are fixed on the side surface of the first cavity of direction 13 1 on fixed frame 21；One end of oscillating plate 22 (fixing end) is fixed on fixed frame
On 21, the other end (free end) is vacantly in fixed frame 21, between the inner side internal face of free end outer surface and fixed frame 21
Preset clearance 24, tibial membrane 23 cover oscillating plate 22 so that the first cavity 13 separates with the sealing of the second cavity 14.
For example, tibial membrane 23 is by being adhesive on fixed frame 21, by shape between the free end of oscillating plate 22 and fixed frame 21
Into preset clearance 24 seal so that the sealing of the first cavity 13 and the second cavity 14 separates, certainly also can also be by tibial membrane 23
Oscillating plate 22 is bonded at simultaneously towards on a side surface of the first cavity 13.
As shown in figure 1, elastic component is arranged in the second cavity 14, have the first canned paragraph 31, the second canned paragraph 32 and
Changeover portion 33.
One end of first canned paragraph 31 is vertically fixed on the free end of oscillating plate 22, and one end of the second canned paragraph 32 is vertical
It is fixed on the second bottom surface, the two is on same straight line；The both ends of changeover portion 33 connect one end of the first canned paragraph 31 respectively
With one end of the second canned paragraph 32.Such as spot welding fixed form, or with glue sticking mode, 33 outstanding setting of changeover portion.
Wherein, changeover portion 33 has supporting part 331, first connecting portion 332, second connecting portion 333.Supporting part 331 is outside
Protrude and set parallel to the first canned paragraph 31 and the second canned paragraph 32, its both ends connects one end of first connecting portion 332 respectively
With one end of second connecting portion 333.The other end of first connecting portion 332 tilted towards the first canned paragraph 31 and with the first canned paragraph
31 are fixedly connected；The other end of second connecting portion 333 is tilted and is fixedly connected with the second canned paragraph 32 towards the second canned paragraph 32.
Preferably, elastic component one-shot forming is made, and is made of elastomeric material, preferably steel wire.
Electromagnetic assembly is arranged in 14 in the second cavity, is had permanent magnet 41, coil 42 and is increased magnet assembly 43.Wherein, forever
Magnet 41 is fixed on the supporting part 331 of elastic component 3, passes through glue sticking, or spot welding mode.Two polar ends of permanent magnet 41
Its top and bottom is distributed in, such as the polarity of the top one end of permanent magnet 41 is S poles, the polarity of bottom end is N poles.
It is different to increase the shape of magnet assembly 43, the number and set-up mode of corresponding coil 42 are different.As shown in figure 1, permanent magnetism
Body is positioned at increasing outside magnet assembly 43, and increasing magnet assembly 43 has the first arm 431, and the connecting portion by being molded on the first arm 431 connects
Connect and second arm 432 parallel with the first arm 431.For example, it is U-iron core to increase magnet assembly 43, two arms of U-iron core are respectively
First arm 431 and the second arm 432, the curved portions of U-shaped are connecting portion.Along the direction parallel to oscillating plate 22, the opening of U-iron core
Required gap, and the two ends difference of the first arm 431 and the second arm 432 away from connecting portion are reserved between end and permanent magnet 41
It is relative with the top and bottom of permanent magnet 41.The changeover portion 33 of elastic component is provided projectingly towards the side of U-iron core opening.
Coil 42 is one and is set on the second arm 432 of U-iron core that permanent magnet 41, which is located at, to be increased outside magnet assembly 43,
After being powered to coil 42, electromagnetic field magnetizes U-iron core caused by coil 42 so that the first arm 431 and the second arm 432 are towards forever
One end of magnet 41 takes polarity, and the opposite polarity at the both ends respectively.Such as first one end of arm 431 towards permanent magnet 41 be
S poles, then the second arm 432 towards one end of permanent magnet 41 be N poles.Preferably, coil 42 is fixed on the second bottom of the second housing 12
On face, such as pass through glue sticking or spot welding mode (not marked in figure)；Along on the direction of oscillating plate 22, permanent magnet 41
Spacing of the length between the first arm 431 and the second arm 432 of U-iron core.
The principle of panel vibration is vibrated in the electromagnetic assembly driving of said structure and process is：If top one end of permanent magnet 41
Polarity is S poles, and bottom end polarity is N poles, and when not giving coil 42 to be powered, permanent magnet 41 remains static, such as Fig. 4 institutes
Show, now the length of supporting part 331 is set to L1, the length of first connecting portion 332 is L2, the length of second connecting portion 333 is L3, first is solid
It is L to determine the length of section 314, the length of the second canned paragraph 32 is L5, the angle of supporting part 331 and the in the vertical direction of first connecting portion 332
For α, the angle of supporting part 331 and the in the vertical direction of second connecting portion 333 is also α.Now the vertical height of elastic component is L0
=L1+L2cosα+L3cosα+L4+L5.As shown in figure 5, it is passed through to coil 42 by 0 according to the forward direction electricity of sinusoidal variation
I is flowed, coil 42 produces the magnetic field (positive magnetic field) gradually strengthened and magnetizes the first arm 431 and the second arm 432, makes the first arm 431
Positive magnetic field is produced with the second arm 432 and is constantly strengthened, and the first arm 431 and the second arm 432 are towards the both ends pole of permanent magnet 41
Property is opposite.Such as first arm 431 towards one end of permanent magnet 41 be S poles, then the second arm 432 towards one end of permanent magnet 41 be N
Pole.The top of permanent magnet 41 is set with the face of the first arm 431, and bottom is set with the face of the second arm 432, according to identical charges repel each other and the opposite sex
Attracting principle, the S of the first arm 431 extremely apply parallel to the first repulsive force on the direction of oscillating plate 22 to the top of permanent magnet 41,
The N of second arm 432 extremely applies parallel to the second repulsive force on the direction of oscillating plate 22 to the bottom of permanent magnet 41, and with the
Positive magnetic field caused by one arm 431 and the second arm 432 gradually strengthens and gradually increased.First repulsive force and the second repulsive force direction
It is identical, its direction motion (level in Fig. 4 for make it that permanent magnet 41 drives supporting part 331 to be directed away from U-iron core side of making a concerted effort
Direction)；Because the changeover portion 33 of elastic component is provided projectingly towards U-iron core, in the horizontal direction, elastic component is integrally extruded,
As extruding is carried out, the angle α of the supporting part 331 and the in the vertical direction of first connecting portion 332 of elastic component is gradually reduced, now
The vertical height L of elastic component0=L1+L2cosα+L3cosα+L4+L5Gradually increase, that is, changeover portion 33 is to the first canned paragraph 31
Apply upward active force, active force driving oscillating plate 22 is vibrated upwards by initial state position.Meanwhile changeover portion 33 is to
Two canned paragraphs 32 apply downward active force, and the active force is conducted to the second bottom surface.Because shell 1 is made up of hard material, the
Two canned paragraphs 32 are then conducted to oscillating plate 22 by the upward reaction force in the second bottom surface, the reaction force along elastic component so that
Oscillating plate 22 is increased by upward active force, and under same electromagnetic driving force, the amplitude that oscillating plate 22 vibrates upwards is added
By force；Under same-amplitude, the sensitivity that oscillating plate 22 vibrates upwards increases.As shown in figure 5, the forward current being passed through when coil 42
It is when i reaches maximum, i.e. cycle of sine curve alternating current 1/4 (1/4T), positive caused by the first arm 431 and the second arm 432
Magnetic field intensity is maximum, reaches maximum to the repulsive force of permanent magnet 41, and permanent magnet 41 is moved at maximum displacement away from U-iron core,
Angle α is decreased to minimum value, and oscillating plate 22 is vibrated to peak upwards by initial state position.
Now, it is gradually reduced to the forward current i that coil 42 is passed through by maximum, as shown in figure 5, positive magnetic caused by it
Field intensity gradually weakens, and positive magnetic field intensity caused by the first arm 431 and the second arm 432 weakens therewith, and the first arm 431 is towards forever
One end of magnet 41 is still S poles, then the second arm 432 is still N poles towards one end of permanent magnet 41.The S of first arm 431 is extremely to permanent magnetism
The top of body 41 applies to be gradually reduced parallel to the first repulsive force on the direction of oscillating plate 22, and the N of the second arm 432 is extremely to permanent magnet
41 bottom applies to be gradually reduced parallel to the repulsive force on the direction of oscillating plate 22, and elastic component drives under natural resiliency effect
Permanent magnet 41 is towards close to the lateral movement of U-iron core one.Angle α gradually increases, now the vertical height L of elastic component0=L1+L2cos
α+L3cosα+L4+L5It is gradually reduced so that oscillating plate 22 gradually resets to initial state position from peak.As shown in figure 5, work as
When the forward current i that coil 42 is passed through is decreased to 0, i.e. cycle of sine curve alternating current 1/2 (1/2T), the first arm 431 and
Magnetic field intensity caused by two arms 432 is 0, and oscillating plate 22 resets to initial state position.
Now, the electric current that coil 42 is passed through is changed into the reverse current i constantly increased according to sine curve, as shown in figure 5, line
Circle 42 produces the magnetic field (opposing magnetic field) gradually strengthened and magnetizes the first arm 431 and the second arm 432, then the first arm 431 is towards forever
One end of magnet 41 is N poles, the second arm 432 towards one end of permanent magnet 41 be S poles.The N of first arm 431 is extremely to permanent magnet 41
Top applies parallel to the first attraction on the direction of oscillating plate 22, and the S of the second arm 432 extremely applies flat to the bottom of permanent magnet 41
Go in the second attraction on the direction of oscillating plate 22, and as opposing magnetic field caused by the first arm 431 and the second arm 432 is gradual
Strengthen and gradually increase, it makes a concerted effort to cause permanent magnet 41 to drive elastic component to continue direction and move close to U-iron core direction.In level
On direction, elastic component is integrally stretched, and as stretching is carried out, angle α gradually increases, now the vertical height L of elastic component0=L1+
L2cosα+L3cosα+L4+L5It is gradually reduced.That is, changeover portion 33 applies downward active force to the first canned paragraph 31, the effect
Power driving oscillating plate 22 vibrates downwards from initial state position.Meanwhile changeover portion 33 applies upward work to the second canned paragraph 32
Firmly, the active force is conducted to the second bottom surface, the second bottom surface then applies downward reaction force, the anti-work to the second fixing end 32
Firmly conducted along elastic component 3 to oscillating plate 22 so that oscillating plate 22 is increased by downward active force, in same electromagnetic driving force
Under, the amplitude that oscillating plate 22 vibrates downwards is strengthened；Under same-amplitude, the sensitivity that oscillating plate 22 vibrates downwards increases.
As shown in figure 5, when the reverse current i that coil 42 is passed through reaches maximum, i.e. cycle (3/ of sine curve alternating current 3/4
4T), opposing magnetic field maximum intensity caused by the first arm 431 and the second arm 432, maximum is reached to the attraction of permanent magnet 41, forever
Magnet 41 is moved at maximum displacement towards U-iron core, and angle α increases to maximum, oscillating plate 22 from initial state position to
Minimum point is arrived in lower vibration.
Now, it is gradually reduced to the reverse current i that coil 42 is passed through by maximum, as shown in figure 5, reverse magnetic caused by it
Field intensity constantly weakens, and opposing magnetic field intensity caused by the first arm 431 and the second arm 432 weakens therewith, and the first arm 431 is towards forever
One end of magnet 41 is still N poles, then the second arm 432 is still S poles towards one end of permanent magnet 41.The N of first arm 431 is extremely to permanent magnetism
The top of body 41 applies to be gradually reduced parallel to the first attraction on the direction of oscillating plate 22, and the S of the second arm 432 is extremely to permanent magnet
41 bottom applies to be gradually reduced parallel to the second attraction on the direction of oscillating plate 22, elastic component under natural resiliency effect,
Permanent magnet 41 is driven to be directed away from the lateral movement of U-iron core one.Angle α is gradually reduced, now the vertical height L of elastic component0=L1+
L2cosα+L3cosα+L4+L5Gradually increase so that oscillating plate 22 gradually resets to initial state position from minimum point.Such as Fig. 5 institutes
Show, when the reverse current i that coil 42 is passed through is decreased to 0, i.e. one complete cycle (4/4T) of sine curve alternating current, first
Opposing magnetic field intensity caused by the arm 432 of arm 431 and second is 0, and oscillating plate 22 resets to initial state position.
It is passed through in coil 42 in a complete cycle (T) of the alternating current according to sinusoidal variation, permanent magnet 41 is in magnetic
It is directed away from by vertical position or is moved once respectively close to the side of U-iron core under field action, and oscillating plate 22 is in elastic component
Drive lower realize to vibrate four times, be respectively：(1) peak is vibrated to by initial state position upwards；(2) shaken downwards by peak
Move to initial state position；(3) minimum point is vibrated to downwards by initial state position；(4) it is vibrated to starting upwards by minimum point
State position.That is, in one complete cycle of alternating current, the vibration frequency of oscillating plate 22 is the vibration frequency of permanent magnet 41
2 times.
In the vibration processes of oscillating plate 22, oscillating plate 22 can drive tibial membrane 23 to vibrate to agitate the first cavity 13 and second
Air vibration in cavity 14, so that air sounding, the sound sent in the first cavity 13 propagates out through sender 111
Go.It is past that the outstanding setting of the changeover portion 33 of elastic component make it that oscillating plate 22 realizes that the both sides of plane where inactive state are done
Multiplex vibration, strengthened the amplitude of oscillating plate 22, improve the sensitivity of receiver.
The assembly technology (writing a Chinese character in simplified form A assembly technologies) of the receiver of this embodiment, comprises the following steps：
S1：Permanent magnet 41 is fixed on the supporting part 331 of the changeover portion 33 of elastic component, one end of elastic component is fixed on
On the internal face of two housings 12；
Coil 42 is set on the second arm 432 of U-iron core in advance, then U-iron core, coil 42 are fixed on second shell
On the internal face of body 12 so that permanent magnet 41 is located at outside U-iron core, the first arm 431 and the second arm 432 and permanent magnetism of U-iron core
The polarity both ends of body 41 are relative；
S2：The other end of elastic component is fixed on the oscillating plate 22 of vibrating diaphragm mechanism 2；
S3：The fixed frame 21 of vibrating diaphragm mechanism 2 is fixed between the opening of the first housing 11 and the second housing 12.
The assembly technology of receiver in this embodiment, the part in receiver is divided into three modules, three modules
Respectively：Coil 42, U-iron core and permanent magnet 41, elastic component and the second housing 12 form the first module；Vibrating diaphragm mechanism 2 makees
For the second module；First housing 11 is used as the 3rd module, and three modules individually assemble in advance, finally carries out three modules total
Dress, so as to form modular assembly technology, simplify the assembling process of receiver, improve operating efficiency.
As first interchangeable embodiment, the coil 42 that is arranged on U-iron core can also only be set in the first arm
On 431, either only it is set on the connecting portion being molded on the first arm 431 or is set in the first arm 431 simultaneously, is molded over
On connecting portion and the second arm 432 on first arm 431.Or two, three, four etc. coils 42 can also be set, but
An at least coil 42, after only needing U-iron core to be magnetized, the first arm 431 and the second arm 432 are towards one end of permanent magnet 41
Opposite polarity, it is specific that quantity is set depending on actual use situation.As deformation, increase magnet assembly 43 except for iron core
Outside, it can also be U-shaped structure made of other soft magnetic materials, such as soft magnetic ferrite in the prior art.This embodiment by
The assembly technology of device is talked about compared with A assembly technologies, S1 steps are different.In S1 steps, coil 42 is only set in first in advance
On arm 431, be either only set on the connecting portion being molded on first arm 431 or be set in the first arm 43 simultaneously, into
Type is on the connecting portion and the second arm 42 on the first arm 431.
As second interchangeable embodiment, increase magnet assembly 43 in addition to for U-iron core, can also be other shapes
Soft magnetic materials made of increase magnet assembly 43, such as H-shaped, only need it that there is the first arm 431, the company being molded on the first arm 431
Socket part and the second arm 432, under electromagnetic field effect, the first arm 431 and the second arm 432 are towards one end of permanent magnet 41 after magnetization
Opposite polarity.As deformation, the first arm 431 and the second arm 432 can be with not parallel, such as V-shaped, or A fonts etc.
Deng.
As the further deformation of second alternative embodiments, it can also be not provided with increasing magnet assembly 43, line is only set
Circle 42, such as U-shaped coil, V-shaped line circle, or two coils be arrangeding in parallel etc..As long as coil 42 can provide pole after being powered
Opposite both ends of property and relative with the bipolarity end of permanent magnet 41 respectively.The assembly technology of the receiver of this embodiment with
A assembly technologies are compared, and S1 steps are different.In S1 steps, U-iron core is not provided with, by U-shaped coil or V-shaped line circle or parallel
The both ends of two coils set are relative with the both ends of the polarity of permanent magnet 41.
As the 3rd interchangeable embodiment, the changeover portion 33 of elastic component is directed away from the side of U-iron core opening
It is provided projectingly.In this embodiment, give coil 42 logical positive electricity, permanent magnet 41 drives supporting part 331 to be directed away from U-iron core one
The direction motion of side, first connecting portion 332 and the angle of supporting part 331 constantly increase, the height of elastic component in the vertical direction
Degree reduces, and oscillating plate 22 is vibrated downwards by horizontal level；Give coil 42 logical reversely electricity, permanent magnet 41 drives the direction of supporting part 331
Moved close to the direction of U-iron core side, first connecting portion 332 and the angle of supporting part 331 are constantly reduced, and elastic component is perpendicular
The upward height increase of Nogata, driving oscillating plate 22 vibrate upwards, can also realize the of reciprocating vibration of oscillating plate 22.
Embodiment 2
The present embodiment provides a kind of receiver, and compared with the receiver provided in embodiment 1, existing difference is for it：
The structure of elastic component is different.Other can be deformed according to the interchangeable embodiment that embodiment 1 provides.
As shown in fig. 6, elastic component 3 is arranged in the second cavity 14, it is straight an elastic rod or elastic shaft, flat
In having required deflection on the direction of oscillating plate 22, permanent magnet 41 is directly anchored on elastic rod row.To coil 42 by 0 by
According to the forward current of sinusoidal variation, under magnetic fields, driving elastic rod moves away from U-iron core direction, in level side
Upwards so that elastic rod reduces away from U-iron core curving, the height of elastic rod in the vertical direction so that oscillating plate 22
Vibrated downwards from initial state position, when forward current reaches maximum, permanent magnet 41 moves to dominant bit away from U-iron core
At shifting, minimum point is arrived in vibration to oscillating plate 22 downwards.
When being gradually reduced to the positive alternating current maximum that coil 42 is passed through, elastic rod is more than because of elastic force caused by deformation
Magnetic field is to the repulsive force of permanent magnet 41, then elastic rod is towards the motion of U-iron core direction under natural resiliency effect, and elastic rod is in water
Square being bent upwards deflection gradually decreases, and the height of elastic rod in the vertical direction constantly increases, when elastic rod return to it is perpendicular
During straight state, oscillating plate 22 gradually resets to initial state position from minimum point.Now, the electric current that coil 42 is passed through is 0.
The reverse current that the alternating current that coil 42 is passed through becomes gradually to increase by 0, field drives elastic rod continue
Moved towards U-iron core direction so that elastic rod is towards U-iron core curving, and in the horizontal direction, elastic rod is by curved again
Song, the height of elastic rod in the vertical direction are gradually reduced so that oscillating plate 22 vibrates downwards from initial state.Work as reverse current
When reaching maximum, elastic rod is moved at maximum displacement towards U-iron core, and minimum point is arrived in vibration to oscillating plate 22 downwards.
Now, it is gradually reduced to the reverse alternating current maximum that coil 42 is passed through, elastic rod is because of elastic force caused by deformation
Attraction more than magnetic field to permanent magnet 41, then elastic rod natural resiliency effect under away from U-iron core direction move, elastic rod
Bending deformation quantity gradually decreases in the horizontal direction, and the height of elastic rod in the vertical direction constantly increases, when elastic rod returns
During to vertical state, oscillating plate 22 gradually resets to initial state position from minimum point.Now, the electric current that coil 42 is passed through is 0.
The receiver of this embodiment, by leading to forward current and reverse current to coil 42, realize that dynamic plate 22 back and forth shakes
It is dynamic；When stopping being powered, under the effect of elastic rod natural resiliency, oscillating plate 22 resets to initial state.It is complete in alternating current one
In complete cycle, the vibration frequency of oscillating plate 22 is 2 times of the vibration frequency of permanent magnet 41.But no matter logical forward current or anti-
To electric current, oscillating plate 22 vertically does of reciprocating vibration in the lower section of its original state position, namely oscillating plate rises with it
Horizontal plane where beginning, does unilateral motion.
As the interchangeable embodiment of elastic component 3, elastic component 3 is except that for elastic rod or elastic shaft, can also be
Elastic component 3 made of other shapes of elastomeric material, such as reed, spring, only need permanent magnet 41 can be directly anchored into bullet
Property part 3 on, under electromagnetic field effect, driving elastic component 3 away from or towards U-iron core direction move, and then drive oscillating plate exist
Vertical direction does of reciprocating vibration.
Embodiment 3
The present embodiment provides a kind of receiver, and it is existing compared with the receiver provided in embodiment 1 or embodiment 2
Difference is：The structure for increasing magnet assembly 43 is different.Specifically：
As shown in fig. 7, increase magnet assembly 43 not only include embodiment 1 in the first arm 431, be molded on the first arm 431
Connecting portion and the second arm 432, in addition to it is molded over the centre on connecting portion and between the first arm 431 and the second arm 432
Arm 433, intermediate arm 433 are set in E fonts parallel to the first arm 431 or the second arm 432, such as E shape iron cores, a coil 42
On the intermediate arm 433 of iron core, under producing electromagnetic field effect after the energization of coil 42, after E shape iron cores are magnetized, the He of the first arm 431
Polarity of second arm 432 towards the one end of permanent magnet 42 is identical, and intermediate arm 433 is towards the polarity and the first arm of the one end of permanent magnet 42
431st, the opposite polarity of the second arm 432.For example, intermediate arm 433 towards one end of permanent magnet 42 be S poles, the first arm 431 and second
One end of arm 432 towards permanent magnet 42 is N poles.In this embodiment, permanent magnet 42 is located in the external magnetic field of E shape iron cores,
And spacing needed for being reserved between E shape iron cores, and the polar end of permanent magnet 42 1 and intermediate arm 433 are relative, another polar end and the
Two arms 432 are relative.
The receiver of this embodiment, using E shape iron cores, and a coil is arranged on the intermediate arm 433 of E shape iron cores
42, it is possible to so that after the first arm 431 and the second arm 432 are magnetized, the polarity towards one end institute band of permanent magnet 41 is identical, in
Between the arm 431 of arm 433 and first, the opposite polarity of the second arm 432.Only need to be relative by the polar end of permanent magnet 42 1 and intermediate arm 433,
Another polar end is relative with the first arm 431 or the second arm 432, you can driving oscillating plate in the vertical direction does of reciprocating vibration.
The assembly technology (writing a Chinese character in simplified form B assembly technologies) of the receiver of this embodiment, comprises the following steps：
S1：Permanent magnet 41 is fixed on the supporting part 331 of the changeover portion 33 of elastic component, one end of elastic component is fixed on
On the internal face of two housings 12；
A coil 42 is set on the intermediate arm 433 of E shape iron cores in advance, then E shape iron cores are fixed on the second housing
On 12 internal face so that permanent magnet 41 is located at outside E shape iron cores, intermediate arm 433 and the polar end phase of permanent magnet 42 1 of E shape iron cores
Right, the second arm 432 is relative with 41 another polar end of permanent magnet；
S2：The other end of elastic component is fixed on the oscillating plate 22 of vibrating diaphragm mechanism 2；
S3：The fixed frame 21 of vibrating diaphragm mechanism 2 is fixed between the opening of the first housing 11 and the second housing 12.
As the alternative embodiments for increasing magnet assembly 43, increase magnet assembly 43 in addition to for E shape iron cores, can also be other
Increase magnet assembly 43, such as M shapes made of the soft magnetic materials of shape, only need its have first arm 431 of connection, the second arm 432 with
And intermediate arm 433, under electromagnetic field effect, the polarity phase of the first arm 431 and the second arm 432 towards one end institute band of permanent magnet 41
Together, the arm 431 of intermediate arm 433 and first, the opposite polarity of the second arm 432, and intermediate arm 433 and the polar end phase of permanent magnet 42 1
Right, the first arm 431 or the second arm 432 are relative with 41 another polar end of permanent magnet.As further deformation, the first arm
431 and second arm 432 can be with not parallel, such as W fonts etc..
As 41 interchangeable embodiment of permanent magnet, as shown in figure 8, fixing setting up and down two on supporting part 331
Permanent magnet 41：First permanent magnet 411, the second permanent magnet 412.The top and bottom of first permanent magnet 411 are respectively with increasing magnet assembly 43
The first arm 431 and intermediate arm 433 it is relative, the top and bottom of the second permanent magnet 412 are respectively with increasing the intermediate arm 433 of magnet assembly 43
Relative with the second arm 432, the bottom of the first permanent magnet 411 is oppositely arranged with the top of the second permanent magnet 412 and polarity is identical.Elastic component
Two permanent magnets of upper setting, two permanent magnets are by increasing 43 equidirectional active force of magnet assembly so that elastic component is remote or leans on
The amplitude that nearly increasing magnet assembly 43 moves is bigger so that the amplitude that oscillating plate 22 vibrates is bigger, and sensitivity is higher.
In above-mentioned embodiment, coil 42 can also be two, three, four etc., only need to be powered in addition to for one
Caused electromagnetic field so that the polarity of the first arm 431 and the second arm 432 towards one end institute band of permanent magnet 41 is identical, intermediate arm
433 and first arm 431, the opposite polarity of the second arm 432, number is specifically set, depending on actual use situation.
Embodiment 4
The present embodiment provides a kind of receiver, and it is existing compared with the receiver provided in embodiment 1 or embodiment 2
Difference is：As shown in Figure 9 and Figure 10, the first arm 431 of U-iron core, the second arm 432 are arranged first coil 421, second respectively
Coil 422, the plane residing for the first arm 431, the second arm 432 are set parallel to oscillating plate 22, and permanent magnet 41 stretches into U-iron core
Preset clearance, the both ends polarity after the magnetization of U-iron core are identical in hollow area and between the wall of the hollow area.For example,
All it is N poles or is all S poles.
It (is vertical using elastic component in embodiment 1 that the principle and process of the electromagnetic assembly driving vibration panel vibration of the structure, which are,
Elastic rod exemplified by illustrate, when elastic component is the structure of embodiment 1, it drives process similar, does not repeat herein)：Not
When being powered to first coil 421, the second coil 422, permanent magnet 41 remains static.To first coil 421, the second coil
422 each lead into according to the forward current of sinusoidal variation by 0, electricity caused by first coil 421, the second coil 422
Magnetic field respectively magnetizes the first arm 431 and the second arm 432 so that the both ends of the first arm 431 and the second arm 432 take same pole
Property, such as the first arm 431 is S poles, the second arm 432 is S poles, and permanent magnet 41 is N poles close to the side of the first arm 431, and its is close
The opposite side of second arm 432 is S poles.According to the principle that identical charges repel each other He there is a natural attraction between the sexes, the S of the first arm 431 is extremely to permanent magnet 41
N poles apply the first attraction parallel to oscillating plate 22, the S of the second arm 432 extremely applies to the S poles of permanent magnet 41 parallel to shaking
First repulsive force of dynamic plate 22, the first attraction is identical with the first repulsive force direction, and it makes a concerted effort to cause permanent magnet 41 with dynamic elasticity
Part 3 moves towards the direction of the first arm 431, in the horizontal direction so that elastic component 3 is elastic towards the curving of the first arm 431
The height of the in the vertical direction of part 3 reduces so that oscillating plate 22 vibrates downwards from the plane where inactive state.Work as forward current
When reaching maximum, permanent magnet 41 is moved at maximum displacement towards the first arm 431, and minimum point is arrived in vibration to oscillating plate 22 downwards.
Now, the positive alternating current maximum being passed through to first coil 421, the second coil 422 is gradually reduced, the first arm
431 be still S poles, and the second arm 432 is still S poles, and permanent magnet 41 is N poles close to the side of the first arm 431, and it is close to the second arm 432
Opposite side be S poles.Permanent magnet 41 is made a concerted effort more than the magnetic field being gradually reduced because of elastic force caused by deformation due to elastic rod, bullet
Property part 3 drive permanent magnet 41 to be moved towards the direction of the second arm 432, the height of the in the vertical direction of elastic component 3 constantly increases, when
When elastic component 3 returns to vertical state, oscillating plate 22 gradually resets to initial state position from minimum point.Now, first coil
421st, the forward current that the second coil 422 is passed through is decreased to 0.
The reverse current that the alternating current that first coil 421, the second coil 422 are passed through becomes gradually to increase by 0, forever
Magnet 41 continues to drive the direction of elastic component 3 towards the second arm 432 to continue to move so that elastic component 3 is from vertical state towards the
The curving of two arm 432, in the horizontal direction, elastic component 3 is bent again, and the height of the in the vertical direction of elastic component 3 gradually subtracts
It is small so that oscillating plate 22 vibrates downwards from initial state.When reverse current reaches maximum, elastic component 3 is towards the second arm 432
Move at maximum displacement, minimum point is arrived in vibration to oscillating plate 22 downwards.
Now, the reverse alternating current maximum being passed through to first coil 421, the second coil 422 is gradually reduced, elastic component
3 make a concerted effort because elastic force caused by deformation is more than magnetic field to permanent magnet 41, and elastic component 3 drives permanent magnet 41 away from the second arm 432
Direction move, the height of the in the vertical direction of elastic component 3 constantly increases, when elastic component 3 returns to vertical state, oscillating plate 22 from
Minimum point gradually resets to initial state position.Now, the reverse current that first coil 421, the second coil 422 are passed through is decreased to
0。
The receiver of this embodiment, by leading to forward current and reverse current to first coil 421, the second coil 422,
Realize that dynamic plate 22 is of reciprocating vibration；When stopping being powered, under the effect of the natural resiliency of elastic component 3, oscillating plate 22 resets to initial state.
In one complete cycle of alternating current, the vibration frequency of oscillating plate 22 is 2 times of the vibration frequency of permanent magnet 41.But no matter
Logical positive electric or reverse electricity, oscillating plate 22 vertically done in the lower section of its initial state position it is of reciprocating vibration, namely
Oscillating plate does unilateral motion with the horizontal plane where its starting.
As first interchangeable embodiment, the coil of coil 42 at least two that is arranged on U-iron core is set in
On U-iron core, after only needing U-iron core to be magnetized, the polarity phase of the first arm 431 and the second arm 432 towards one end of permanent magnet 41
Can also be three with, coil 42, four, five, six etc., it is specific set quantity according to actual use situation and
It is fixed.As deformation, increase magnet assembly 43 in addition to for iron core, can also be U-shaped knot made of other soft magnetic materials in the prior art
Structure, such as soft magnetic ferrite.
As second interchangeable embodiment, increase magnet assembly 43 in addition to for U-iron core, can also be other shapes
Soft magnetic materials made of increase magnet assembly 43, such as H-shaped only needs it to have the first arm 431 and the second arm 432, in electromagnetic field
Under effect, the first arm 431 is identical with one end polarity of the second arm 432 towards permanent magnet 41 after magnetization.As deformation, first
The arm 432 of arm 431 and second can be with not parallel, such as V-shaped, or A fonts etc.., can also not as further deformation
Set and increase magnet assembly 43, at least two coils 42 are only set.For example, two coils be arrangeding in parallel, after two coils 42 are powered
Polarity identical both ends and relative with the bipolarity end of permanent magnet 41 respectively can be provided.The assembler of the receiver of this embodiment
For skill compared with A assembly technologies, S1 steps are different.In S1 steps, U-iron core is not provided with, by be arranged in parallel two coils
Both ends are relative with the bipolarity end of permanent magnet 41.
Embodiment 5
The present embodiment provides a kind of receiver, and compared with the receiver provided in embodiment 4, existing difference is for it：
As shown in figure 11, the intermediate arm 433 of E shapes iron core is arranged circle 42, and the plane residing for the first arm 431, the second arm 432 is parallel to vibration
Plate 22 is set, and the length of intermediate arm 433 is less than the first arm 431, the length of the second arm 432, and permanent magnet 41 stretches into the hollow section of E shape iron cores
The preset clearance in domain and between the wall of the hollow area.First arm 431, the both ends polarity of the second arm 432 after the magnetization of E shapes iron core
It is identical, for example, being all S poles.The polarity of intermediate arm 433 is then N poles with the first arm 431, the both ends opposite polarity of the second arm 432.
The principle and process of the electromagnetic assembly driving vibration panel vibration of the structure and the vibration of the receiver in embodiment 4 are former
Reason is consistent with process, will not be repeated here.The receiver of this embodiment, by leading to forward current and reversely electricity to coil 42
Stream, realize that dynamic plate 22 is of reciprocating vibration；When stopping being powered, under the effect of the natural resiliency of elastic component 3, oscillating plate 22 resets to starting shape
State.In one complete cycle of alternating current, the vibration frequency of oscillating plate 22 is 2 times of the vibration frequency of permanent magnet 41.But nothing
By logical forward direction is electric or reverse electricity, oscillating plate 22 vertically done in the lower section of its original state position it is of reciprocating vibration,
I.e. oscillating plate does unilateral motion with the horizontal plane where its starting.
As first interchangeable embodiment, the number of coil 42 is arranged on E shape iron cores intermediate arm 433 to be
Two, three etc., after only needing E shape iron cores intermediate arm 433 to be magnetized, the first arm 431 and the second arm 432 are towards permanent magnet 41
The polarity of one end is identical, specific to set quantity depending on actual use situation.As deformation, increase magnet assembly 43 except for
Can also be E shapes structure made of other soft magnetic materials, such as soft magnetic ferrite in the prior art outside iron core.
As second interchangeable embodiment, increase magnet assembly 43 in addition to for E shape iron cores, can also be other shapes
Soft magnetic materials made of increase magnet assembly 43, such as M shapes, only need its that there is the first arm 431 of connection, the second arm 432, in electromagnetism
Under field action, the first arm 431 is identical with one end polarity of the second arm 432 towards permanent magnet 41 after magnetization.As deformation,
One arm 431 and the second arm 432 can be with not parallel, such as W fonts etc..As further deformation, can also be not provided with increasing magnetic
Part 43, at least two coils 42 are only set.For example, two coils be arrangeding in parallel, two coils 42 can provide after being powered
Polarity identical both ends and relative with the bipolarity end of permanent magnet 41 respectively.The assembly technology of the receiver of this embodiment fills with A
Compared with technique, S1 steps are different.In S1 steps, E shape iron cores are not provided with, by the both ends of be arranged in parallel two coils and forever
The bipolarity end of magnet 41 is relative.
It should be noted that in above-described embodiment, the vibration processes of receiver are sinusoidal to be passed through to coil
Alternating current is analyzed；In fact, sinusoidal ac is passed through to coil, simply a kind of mode to coil electricity, in this energization
Under mode, the vibration frequency for enabling to oscillating plate is twice of the vibration frequency of permanent magnet, increases the vibration frequency of oscillating plate,
But in receiver in actual use, alternating current can not also be passed through to coil according to sine curve, come according to the actual requirements
It is powered, after only needing coil to be passed through alternating current, driving permanent magnet drive oscillating plate can be produced and do of reciprocating vibration, specific energization
Form does not limit.
On the basis of embodiment 1, embodiment 2, embodiment 3, embodiment 4 and embodiment 5,
As first interchangeable embodiment, shell 1 has the first housing 11 being only made up of the first bottom surface, and
The second housing 12 being made up of the second bottom surface and side wall, the second housing 12 are removably fastened with the first housing 11 and surrounded in described
Chamber.In the present embodiment, its assembly technology is compared with A assembly technologies, and only S3 steps are different.In S3 steps, by vibrating diaphragm machine
The fixed frame 21 of structure 2 is fixed on the internal face of the second housing 12, then the opening of the first housing 11 and the second housing 12 is fixed.
As second interchangeable embodiment, shell 1 has the first housing 11 being made up of the first bottom surface and side wall,
And the second housing 12 being only made up of the second bottom surface, the second housing 12 are removably fastened with the first housing 11 and surrounded in described
Chamber.In the present embodiment, its assembly technology is compared with A assembly technologies, and only S3 steps are different.In S3 steps, by vibrating diaphragm machine
The fixed frame 21 of structure 2 is fixed on the internal face of the first housing 12, then the opening of the first housing 11 and the second housing 12 is fixed.
In addition, it is necessary to illustrate, the direction parallel to oscillating plate 22 is related in application documents, and perpendicular to vibration
The direction of plate 22, refer to setting direction when oscillating plate 22 remains static, benchmark is used as using this direction.For example, embodiment 1
Middle oscillating plate 22 is horizontally disposed, then perpendicular to the direction of oscillating plate 22 be exactly vertically on.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (16)
- A kind of 1. receiver, it is characterised in that includingShell (1), there is inner chamber；Vibrating diaphragm mechanism (2), is arranged in the inner chamber of the shell (1), and the inner chamber of the shell (1) is separated into the first cavity And the second cavity (14) (13)；It has the oscillating plate (22) that one end is vacantly arranged in the inner chamber；Elastic component (3), it is arranged in second cavity (14), one end is fixed on the oscillating plate (22), and the other end is fixed On the internal face of the shell (1)；Electromagnetic assembly, it is arranged in second cavity (14), there is the permanent magnet (41) being arranged on the elastic component (3), And for driving the permanent magnet (41) to drive the elastic component (3) to have on the direction parallel to the oscillating plate (22) At least one coil (42) of bending deformation quantity.
- 2. receiver according to claim 1, it is characterised in that：The elastic component (3) includes being fixed on the oscillating plate (22) the first canned paragraph (31) on one end, the second canned paragraph (32) being fixed on the shell (1) internal face, and by institute State the first canned paragraph (31) to be connected with second canned paragraph (32) and outstanding changeover portion (33), the permanent magnet (41) It is fixed on the changeover portion (33).
- 3. receiver according to claim 2, it is characterised in that：The changeover portion (33) has supporting part (331), shaping On the supporting part (331) both ends and it is respectively facing first canned paragraph (31) and the second canned paragraph (32) inclined first The other end of connecting portion (332) and second connecting portion (333), the first connecting portion (332) and the second connecting portion (333) It is separately fixed on first canned paragraph (31) and second canned paragraph (32)；The permanent magnet (41) is fixed on the branch On support part (331).
- 4. the receiver according to Claims 2 or 3, it is characterised in that：The changeover portion (33) is made of elastomeric material, First canned paragraph (31) is fixed on the free end of the oscillating plate (22).
- 5. according to the receiver any one of claim 1-4, it is characterised in that：The electromagnetic assembly also includes being arranged on Increasing magnet assembly (43) in second cavity (14), the coil (42) are set on the increasing magnet assembly (43), the increasing Magnet assembly (43) is used to strengthening the coil (42) producing the intensity of electromagnetic field and after being magnetized, and has required pole on its both ends Property, it is described increase magnet assembly (43) the both ends respectively relatively described permanent magnet (41) bipolarity end set.
- 6. receiver according to claim 5, it is characterised in that：The permanent magnet (41) is positioned at the increasing magnet assembly (43) Outside, it is described to increase after magnet assembly (43) magnetizes towards the both ends opposite polarity of (41) two polar ends of permanent magnet.
- 7. receiver according to claim 6, it is characterised in that：The increasing magnet assembly (43) has the first arm (431), and By the connection of the connecting portion that is molded on first arm (431) and second arm (432) parallel with first arm (431), At least one coil (42) is set on the increasing magnet assembly (43), first arm (431) and second arm (432) One end away from the connecting portion is respectively facing a polar end of the permanent magnet (41).
- 8. receiver according to claim 5, it is characterised in that：The inside for increasing magnet assembly (43) has hollow section Domain, the permanent magnet (41) stretches into the hollow area and the preset clearance between the wall of hollow area this described, described The both ends polarity increased after magnet assembly (43) magnetizes towards the permanent magnet (41) bipolarity end is identical.
- 9. receiver according to claim 8, it is characterised in that：The increasing magnet assembly (43) has the first arm (431), and By the connection of the connecting portion that is molded on first arm (431) and second arm (432) parallel with first arm (431), At least one coil (42) is set on the increasing magnet assembly (43)；Between first arm (431) and second arm (432) The one end of the hollow area, first arm (431) and second arm (432) away from the connecting portion is surrounded to be respectively facing One polar end of the permanent magnet (41).
- 10. receiver according to claim 9, it is characterised in that：First arm (431) and second arm (432) It is upper to be arranged at least one coil (42) respectively.
- 11. receiver according to claim 9, it is characterised in that：The increasing magnet assembly (43) is also described including being arranged on Intermediate arm (433) on connecting portion and between first arm (431) and the second arm (432), the coil (42) are arranged On the intermediate arm (433)；First arm (431) and second arm (432) stretch out the intermediate arm (433) and stretched out, the permanent magnet (41) stretch between the intermediate arm (433) and first arm (431), the second arm (432) in the hollow area surrounded.
- 12. according to the receiver any one of claim 1-11, it is characterised in that：The shell (1) has by first The first housing (11) that bottom surface is formed with side wall, and the second housing (12) being made up of the second bottom surface and side wall；Described second Housing (12) removably fastens with first housing (11) and surrounds the inner chamber.
- 13. a kind of assembly technology of receiver, it is characterised in that comprise the following steps：S1：Permanent magnet (41) is fixed on elastic component (3), and one end of elastic component (3) is fixed on the internal face of the second housing (14) On, coil (42) is fixed on the internal face of the second housing (12) so that coil (42) is relative with permanent magnet (41)；S2：The other end of elastic component (3) is fixed on the oscillating plate (22) of vibrating diaphragm mechanism (2)；S3：The fixed frame (21) of vibrating diaphragm mechanism (2) is fixed on the internal face of the first housing (11) or the second housing (12), then The opening of first housing (11) and the second housing (12) is fixed；OrThe fixed frame (21) of vibrating diaphragm mechanism (2) is fixed between the opening of the first housing (11) and the second housing (12).
- 14. the assembly technology of receiver according to claim 10, it is characterised in that：The receiver also includes increasing magnetic portion Part (43)；In S1 steps, coil (42) is set in increased on magnet assembly (43) in advance, then magnet assembly (43) will be increased and be fixed on second On the internal face of housing (12)；So that permanent magnet (41) outside or causes permanent magnet (41) positioned at the hollow of increasing magnet assembly (43) positioned at increasing magnet assembly (43) In region, the both ends for increasing magnet assembly (43) are relative with permanent magnet (41) bipolarity end.
- 15. the assembly technology of receiver according to claim 14, it is characterised in that：The increasing magnet assembly (43) takes the shape of the letter U；In S1 steps, coil (42) is set in U-shaped and increased on an arm of magnet assembly so that permanent magnet (41) is located at U-shaped increasing Outside magnet assembly；OrIn S1 steps, at least two coils (42) are respectively sleeved at U-shaped and increased on two arms of magnet assembly so that permanent magnet (41) U-shaped is stretched into increase in the hollow area surrounded between two parallel arms of magnet assembly.
- 16. the assembly technology of receiver according to claim 14, it is characterised in that：The increasing magnet assembly (43) is in E shapes；In S1 steps, coil (42) is set in E shapes and increased on the intermediate arm (433) of magnet assembly so that permanent magnet (41) is located at E Shape increases outside magnet assembly, or causes permanent magnet (41) is stretched between the intermediate arm (433) of E shapes and two sides aligned parallel arm to surround Hollow area in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621146.1A CN107484090A (en) | 2017-07-26 | 2017-07-26 | A kind of receiver and its assembly technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621146.1A CN107484090A (en) | 2017-07-26 | 2017-07-26 | A kind of receiver and its assembly technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107484090A true CN107484090A (en) | 2017-12-15 |
Family
ID=60598392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710621146.1A Pending CN107484090A (en) | 2017-07-26 | 2017-07-26 | A kind of receiver and its assembly technology |
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| Country | Link |
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| CN (1) | CN107484090A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740409A (en) * | 2019-10-31 | 2020-01-31 | 维沃移动通信有限公司 | electroacoustic device and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227696A (en) * | 1996-07-19 | 1999-09-01 | 摩托罗拉公司 | Taut armature reciprocating impulse transducer |
| CN101150885A (en) * | 2006-08-28 | 2008-03-26 | 科技资产股份有限公司 | Acoustic tranducer |
| KR20110109213A (en) * | 2010-03-30 | 2011-10-06 | 서민규 | Stick type linear vibration motor |
| CN104581583A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Novel moving iron unit and iron core producing method |
| CN206341391U (en) * | 2016-12-20 | 2017-07-18 | 深圳倍声声学技术有限公司 | A kind of skeleton coil and moving-iron receiver |
| CN207053726U (en) * | 2017-07-26 | 2018-02-27 | 苏州逸巛声学科技有限公司 | A kind of receiver |
-
2017
- 2017-07-26 CN CN201710621146.1A patent/CN107484090A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227696A (en) * | 1996-07-19 | 1999-09-01 | 摩托罗拉公司 | Taut armature reciprocating impulse transducer |
| CN101150885A (en) * | 2006-08-28 | 2008-03-26 | 科技资产股份有限公司 | Acoustic tranducer |
| KR20110109213A (en) * | 2010-03-30 | 2011-10-06 | 서민규 | Stick type linear vibration motor |
| CN104581583A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Novel moving iron unit and iron core producing method |
| CN206341391U (en) * | 2016-12-20 | 2017-07-18 | 深圳倍声声学技术有限公司 | A kind of skeleton coil and moving-iron receiver |
| CN207053726U (en) * | 2017-07-26 | 2018-02-27 | 苏州逸巛声学科技有限公司 | A kind of receiver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740409A (en) * | 2019-10-31 | 2020-01-31 | 维沃移动通信有限公司 | electroacoustic device and electronic equipment |
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Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Applicant after: Suzhou Yiyi Electronic Technology Co., Ltd Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Applicant before: Suzhou Yilan Acoustic Technology Co.,Ltd. |
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Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Applicant after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Applicant before: Suzhou Yiyi Electronic Technology Co., Ltd |
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