CN209345399U - A kind of receiver - Google Patents
A kind of receiver Download PDFInfo
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- CN209345399U CN209345399U CN201822183328.8U CN201822183328U CN209345399U CN 209345399 U CN209345399 U CN 209345399U CN 201822183328 U CN201822183328 U CN 201822183328U CN 209345399 U CN209345399 U CN 209345399U
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Abstract
The utility model provides a kind of receiver comprising: shell, with hollow lumen；Vibrating diaphragm mechanism, it is set in the hollow lumen, the hollow lumen is divided into the first cavity and the second cavity, the vibrating diaphragm mechanism includes vibration plate, the fixing end of the vibration plate is fixed on the inner wall of the shell, and the free end of the vibration plate is vacantly set in the hollow lumen；Electromagnetic drive mechanism is set in the hollow lumen comprising at least one coil block and at least one magnetic field component, wherein each magnetic field component is set in the first cavity or the second cavity, and the magnetic field component is close to the free end of vibration plate；Each coil block is set in the first cavity or the second cavity, and the coil block is close to the fixing end of oscillating plate.Compared with prior art, the receiver in the utility model reduces the connection between moving component, to simplify assembly technology, reduces manufacturing cost.
Description
[technical field]
The utility model belongs to electroacoustic switch technology field, in particular to a kind of receiver.
[background technique]
Receiver is also earpiece, is a kind of electricity that audio electrical signal is converted into voice signal under voiceless sound leak condition
Acoustic device is widely used in the communication terminal devices such as mobile phone, fixed-line telephone and hearing aid, realizes the output of audio.
It please refers to shown in Fig. 1, is a kind of receiver in the prior art comprising shell 110, diaphragm 120 and electricity
Magnetic driving mechanism, diaphragm 120 are arranged in shell 110 and the inner cavity of shell are divided into ante-chamber and back cavity, electromagnetic drive mechanism
It is fixed in back cavity.Electromagnetic drive mechanism includes drive rod 130, reed (or armature) 140, two pieces of permanent magnets 150 and coils
160, wherein one end of reed 140 is fixed on the inner wall of the side wall of shell 110, and the other end passes through drive rod 130 and diaphragm
120 connections；Coil 160 is set in the U-shaped arc transition on reed 140 and close to reed 140, and two pieces of permanent magnets 150 are distinguished
It close to the two sides up and down of 130 that one end of drive rod and is fixed on 110 inner wall of shell positioned at reed 140.
In the receiver as shown in Fig. 1, reed 140 needs to be connected with drive rod 130 (or driving plate) with diaphragm 120
It connects, using the design of drive rod 130 (or driving plate), its assembly is extremely difficult, and packaging efficiency is low, it is difficult to realize automated production,
More demanding to employee skill, processing procedure is unstable, and the control of assembling quality will affect the reliability of product, and rework rate is high even to be made
At scrapping, it is unfavorable for reducing manufacturing cost.
Therefore, it is necessary to propose a kind of improved technical solution to overcome the above problem.
[utility model content]
The purpose of this utility model is to provide a kind of receivers, and which reduce the connections between moving component, thus simple
Change assembly technology, reduces manufacturing cost.
One aspect according to the present utility model, the utility model provide a kind of receiver comprising: shell has
Hollow lumen；Vibrating diaphragm mechanism is set in the hollow lumen, and the hollow lumen is divided into the first cavity and the second chamber
Body, the vibrating diaphragm mechanism includes vibration plate, and the fixing end of the vibration plate is fixed on the inner wall of the shell, the freedom of the vibration plate
End is vacantly set in the hollow lumen；Electromagnetic drive mechanism is set in the hollow lumen comprising at least one
Coil block and at least one magnetic field component, wherein each magnetic field component is set in the first cavity or the second cavity, and described
Magnetic field component is close to the free end of vibration plate；Each coil block is set in the first cavity or the second cavity, and the coil group
Fixing end of the part close to oscillating plate.
Further, the magnetic field component is for generating fixed magnetic field；The coil block generates alternating magnetic field after being powered；
The vibration plate is permeability magnetic material, and the alternating magnetic field that coil block generates when being powered is introduced into the vibration plate.
Further, the shell includes the first shell formed by the first bottom surface and side wall, and by the second bottom surface with
The second shell that side wall is formed, the first shell and second shell, which mutually fasten, surrounds the hollow lumen；The vibrating diaphragm machine
The hollow lumen is separated into the first cavity close to the first bottom surface and the second cavity close to the second bottom surface by structure.
Further, the vibrating diaphragm mechanism further includes fixed frame and tibial membrane, and the fixed frame is fixed on the shell
On side wall, there is the inner chamber body through the fixed frame thickness direction；The fixing end of the vibration plate is fixed on the fixed frame
Inside, free end is suspended on the fixed frame, is formed with preset clearance between the free end and fixed frame of the vibration plate；Institute
It states tibial membrane to be attached on a side surface of the fixed frame, and at least seals the preset clearance.
Further, the tibial membrane correspond to the preset clearance at be provided with protrusion；The fixed frame is not lead
Magnetic material；First shell and second shell are all made of magnetic conductive material.
Further, the electromagnetic drive mechanism includes: the fixing end being set in the second cavity and close to the vibration plate
First coil component；It is set to the first magnetic field component of the free end in the second cavity and close to the vibration plate；It is set to
Second magnetic field component of the free end in one cavity and close to the vibration plate.
Further, the first coil component includes the first magnetic core and first coil, and the first coil is set to institute
It states on the second bottom surface of second shell, first magnetic core one end is sheathed in the hollow inner hole of the first coil, another
The hollow inner hole that the first coil is stretched out at end is connected with the fixing end of the vibration plate, and the magnetic core is flat or circle.
Further, the receiver further includes fixed block, and the fixed block is located in the first cavity, and one end is set to
First bottom surface of the first shell, the other end compress the fixing end of the vibration plate；Or the electromagnetic drive mechanism further includes
Two wires coil assembly, second coil block are set to the fixing end in the first cavity and close to the vibration plate, second line
Coil assembly includes the second magnetic core and the second coil, and second coil is set on the first bottom surface of the first shell, described
One end of second magnetic core is sheathed in the hollow inner hole of second coil, and the other end stretches out the hollow interior of second coil
Hole is connected with the fixing end of the vibration plate, and the magnetic core is flat or circle.
Further, first magnetic field component includes the first magnetic field generating member and the first magnetic conduction for generating fixed magnetic field
Block, first magnetic inductive block are set on the second bottom surface of second shell；First magnetic field generating member is set to the first magnetic conduction
On block, and towards the free end of vibration plate；Or first magnetic field component includes the first magnetic field generating member for generating fixed magnetic field, the
One magnetic field generating member is directly arranged on the second bottom surface of second shell, and towards the free end of vibration plate.
Further, second magnetic field component includes the second magnetic field generating member and the second magnetic conduction for generating fixed magnetic field
Block, second magnetic inductive block are set on the first bottom surface of first shell；Second magnetic field generating member is set to the second magnetic conduction
On block, and towards the free end of vibration plate；Or second magnetic field component includes the second magnetic field generating member for generating fixed magnetic field, the
Two magnetic field generating members are directly arranged on the first bottom surface of first shell, and towards the free end of vibration plate.
Further, for placing the region of the second magnetic field component relative to first on the first bottom surface of the first shell
Other regions of bottom surface are to first shell internal projection, and to form first boss, it is convex that second magnetic field component is placed in described first
On platform；For placing other areas of region relative to the second bottom surface of first magnetic field component on second bottom surface of second shell
Domain is to second shell internal projection, and to form second boss, first magnetic field component is placed in the second boss.
Compared with prior art, the vibration plate in the utility model is made of permeability magnetic material, and the fixing end and line of vibration plate
Coil assembly is connected, so that the alternating current magnetic field that coil generates when being powered enters vibration plate, and acts on generating to drive with D.C. magnetic field and push
Dynamic vibration plate generates vibration sounding, does not need additional drive rod and reed, to reduce the connection between moving component, simplifies
Assembly technology reduces manufacturing cost.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.Wherein:
Fig. 1 is a kind of structural schematic diagram of receiver in the prior art；
Fig. 2 is the longitudinal profile schematic diagram of the receiver of the utility model in the first embodiment；
Fig. 3 is the perspective view of the explosion of vibrating diaphragm mechanism in one embodiment in Fig. 2；
Fig. 4 is the perspective view of the explosion of receiver shown in Fig. 2；
Fig. 5 is the longitudinal profile schematic diagram of the receiver of the utility model in a second embodiment；
Fig. 6 is the perspective view of the explosion of receiver shown in fig. 5；
Fig. 7 is the longitudinal profile schematic diagram of the receiver of the utility model in the third embodiment；
Fig. 8 is the perspective view of the explosion of receiver shown in Fig. 7；
Fig. 9 is the longitudinal profile schematic diagram of the receiver of the utility model in the fourth embodiment；
Figure 10 is the perspective view of the explosion of receiver shown in Fig. 9；
Figure 11 is the longitudinal profile schematic diagram of the receiver of the utility model in the 5th embodiment；
Figure 12 is the perspective view of the explosion of receiver shown in Figure 11.
[specific embodiment]
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiments.Unless stated otherwise,
The word of connection, the expression electric connection for being connected, connecting herein indicates directly or indirectly to be electrical connected.
It please refers to shown in Fig. 2, is the longitudinal profile schematic diagram of the receiver of the utility model in the first embodiment.Figure
Receiver shown in 2 includes: shell 210, vibrating diaphragm mechanism 230 and electromagnetic drive mechanism (not identifying).
The shell 210 has hollow lumen 220.The vibrating diaphragm mechanism 230 is set in the hollow lumen 220, and
The hollow lumen 220 is divided into the first cavity 222 and the second cavity 224.The vibrating diaphragm mechanism 230 includes vibration plate 232, institute
The fixing end for stating vibration plate 232 is fixed on the inner wall of the shell 210, and the free end of the vibration plate 232 is vacantly set to described
In hollow lumen 220.
The electromagnetic drive mechanism is set in the hollow lumen 220, and the electromagnetic drive mechanism includes at least one
Coil block 242 and at least one magnetic field component 244,246.Wherein, the magnetic field component 246,244 is set to the first cavity
222 or second in cavity 224, and the magnetic field component 244,246 is close to the free end of vibration plate 232；The coil block 242 is set
It is placed in the first cavity 222 or the second cavity 224, and the coil block 242 is close to the fixing end of vibration plate 232.
In specific embodiment shown in Fig. 2, the shell 210 includes the first shell surrounded by the first bottom surface and side wall
212, and the second shell 214 surrounded by the second bottom surface and side wall, first shell 212 is mutually fastened with second shell 214 encloses
At the hollow lumen 220, connect for example, being fixed first shell 212 and second shell 214 using gluing or electric welding mode
It connects.In a preferred embodiment, first shell 212 and second shell 214 are all made of permeability magnetic material and are made.
In specific embodiment shown in Fig. 2, the vibrating diaphragm mechanism 230 is set in the first shell 212, by institute
It states hollow lumen 220 and is separated into the first cavity 222 close to the first bottom surface and the second cavity 224 close to the second bottom surface.
It please refers to shown in Fig. 3, is the perspective view of the explosion of vibrating diaphragm mechanism in one embodiment in Fig. 2.Such as Fig. 2 and figure
Shown in 3, the vibrating diaphragm mechanism 230 includes vibration plate 232, fixed frame 234 and tibial membrane 236.The fixed frame 234 is fixed on first
On the medial surface of the side wall of shell 212, there is the inner chamber body 2342 through 234 thickness direction of fixed frame.The fixation
Frame 234 is non-magnetic material, can be stainless steel, aluminium or other non-magnetic metals or non-metallic material.The vibration plate 232
Fixing end 2322 be fixed on the inside of the fixed frame 234, free end 2324 is vacantly in the fixed frame 234；It is described
Preset clearance 238 is formed between the outer surface of the free end 2324 of vibration plate 232 and the inner surface of fixed frame 234.It is described
Tibial membrane 236 is attached to fixed frame 234 towards on a side surface of the first cavity 222 independently of shell 210 in advance, and at least close
Seal the preset clearance 238 formed between the free end 2324 and fixed frame 234 of vibration plate 232.
In the embodiment shown in fig. 3, the tibial membrane 236 correspond to 238 position of preset clearance at be provided with
Towards the protrusion 2362 of the second cavity 224.Due to the setting of the protrusion 2362, when vibration plate 232 drives tibial membrane 236 to vibrate,
The tibial membrane can be easier to vibrate with the vibration plate.In an alternative embodiment, the tibial membrane 236
It can be attached to fixed frame 234 in advance towards on a side surface of the second cavity 224, described at this time raised 2362 towards the first chamber
Body 223.
In specific embodiment shown in Fig. 2, the electromagnetic drive mechanism is in the second cavity 224 and close including being set to
The first coil component 242 of the fixing end 2322 of the vibration plate 232 is set in the second cavity 224 and close to the vibration plate 232
Free end 2324 the first magnetic field component 244, and be set to the freedom in the first cavity 222 and close to the vibration plate 232
Second magnetic field component 246 at end 2324.Wherein, the first magnetic field component 244 and the second magnetic field component 246 are opposite, coil block 242
It is spaced apart from each other with magnetic field component 244,246.
In specific embodiment shown in Fig. 2, the first coil component 242 includes the first magnetic core 2422 and first coil
2424, the first coil 2424 is set on the second bottom surface of the second shell 214,2,422 1 end cap of the first magnetic core
In the hollow inner hole of the first coil 2424, the other end stretch out the hollow inner hole of the first coil 2424 with it is described
The fixing end 2322 of vibration plate 232 is connected, and first magnetic core 2422 is preferably iron core.First magnetic field component 244 includes producing
The first magnetic field generating member 2442 and the first magnetic inductive block 2444 of raw fixed magnetic field, first magnetic inductive block 2444 are fixed on second shell
On second bottom surface of body 214；First magnetic field generating member 2442 is fixed on the first magnetic inductive block 2444, and towards vibration plate 232
Free end 2324, and be reserved with required gap between first magnetic field generating member 2442 and the free end 2324 of vibration plate 232.
Second magnetic field component 246 only includes the second magnetic field generating member 2462 for generating fixed magnetic field, second magnetic field generating member 2462
Be directly fixed on the first bottom surface of first shell 212, and towards the free end of vibration plate 232 2324 (or with the first magnetic field generate
2442 face of part), and required gap is reserved between second magnetic field generating member 2462 and the free end 2324 of vibration plate 232.
The magnetic core is flat or circle, and when the magnetic core is flat, the direction of the minor axis of the flat is the length side of the vibration plate
To the direction of the major diameter of the flat is the width direction of the vibration plate, and coil block entire in this way is closer to the vibration plate
Fixing end extends vibration end in the case where shell size constancy, reduces vibration end stiffness, promotes sensitivity.
In a preferred embodiment, the magnetic field generating member 2442,2462 is permanent magnet.In one embodiment,
The first coil component 242 can only include first coil 2424, fixation of the first coil 2424 directly with the vibration plate 232
End 2322 is connected, so that the alternating current magnetic field for generating first coil 2424 when being powered enters vibration plate 232.In a reality
Apply in example, can only have the first magnetic field component 244, can also only with the second magnetic field component 246.
The principle that electromagnetic drive mechanism shown in Fig. 2 driving vibration plate 232 vibrates is: when being passed through exchange to first coil 2424
When electric, the alternating current magnetic field of generation enters vibration plate 232 by the first magnetic core 2422, makes vibration plate 232 with polarized, in magnetic field generating member
2442,2462 generate fixed magnetic fields under the action of so that vibration plate 232 done in vertical direction it is of reciprocating vibration, to drive pronunciation
Film 236 agitates air sounding.
In summary, compared with receiver shown in FIG. 1, drive rod 130 and reed is not used in receiver shown in Fig. 2
140.Since the vibration plate 232 in Fig. 2 is made of permeability magnetic material, fixing end 2322 is connected with the coil block 242, coil
2424 alternating current magnetic fields generated when being powered directly pass through the fixed magnetic field that vibration plate 232 and magnetic field generating member 2442,2462 generate and make
With generation driving force pushes vibration plate 232 to generate vibration sounding.That is, using made of permeability magnetic material in the utility model
Vibration plate 232 has the function of that reed does not need additional driving by vibration plate 232 and reed two-in-one that is, in the utility model
Bar and reed simplify assembly technology to reduce the connection between moving component, reduce manufacturing cost.
It please refers to shown in Fig. 4, is the perspective view of the explosion of receiver shown in Fig. 2.Compared to Figure 1, shown in Fig. 2 and Fig. 4
Receiver inside component level it is clearly demarcated, the design of stack is very suitable to automated production so that assembly technology is simple.
It please refers to shown in Fig. 5, is the longitudinal profile schematic diagram of the receiver of the utility model in a second embodiment.With
Receiver shown in Fig. 2 is compared, and fixed block 250 is had additional in receiver shown in fig. 5, and the fixed block 250 is located at the first chamber
In body 222, one end is fixed on the first bottom surface of the first shell 212, and the other end and magnetic core 2422 are opposite, described in compressing
The fixing end 2322 of vibration plate 232, to improve the stability of fixing end 2322.Please refer to shown in Fig. 6, for it is shown in fig. 5 by
Talk about the perspective view of the explosion of device.
It please refers to shown in Fig. 7, is the longitudinal profile schematic diagram of the receiver of the utility model in the third embodiment,
Electromagnetic drive mechanism is dual coil designs.The main distinction of receiver shown in Fig. 7 and receiver shown in Fig. 2 is: in Fig. 7
Electromagnetic drive mechanism further include the second coil block 248；The second magnetic field component 746 in Fig. 7 further includes the second magnetic inductive block
7464；Vibration plate 232 is arranged between first shell 212 and the opening of second shell 214.
In specific embodiment shown in Fig. 7, second coil block 248 is set in the first cavity 222 and close
The fixing end 2322 of the vibration plate 232.Second coil block 248 includes the second magnetic core 2482 and the second coil 2484, institute
It states the second coil 2484 to be set on the first bottom surface of the first shell 212, one end of second magnetic core 2482 is sheathed on
In the hollow inner hole of second coil 2484, the other end stretches out the hollow inner hole and the vibration plate of second coil 2484
232 fixing end 2322 is connected.Second magnetic field component 746 includes generating 7462 He of the second magnetic field generating member of fixed magnetic field
Second magnetic inductive block 7464, second magnetic inductive block 7464 are fixed on the first bottom surface of first shell 212, and is produced from second magnetic field
Raw part 7462 is fixed on the second magnetic inductive block 7464, and towards the free end of vibration plate 232 2324, (or generated with first magnetic field
2442 face of part), and required gap is reserved between second magnetic field generating member 7462 and the free end 2324 of vibration plate 232.
Electromagnetic drive mechanism in Fig. 7 is dual coil designs, and vibration plate 232 not only can more effectively be driven to vibrate, and is increased
The sensitivity of receiver, and two magnetic cores 2482,2422 can compress the fixing end 2322 of the vibration plate 232, to improve
The stability of fixing end 2322.It please refers to shown in Fig. 8, is the perspective view of the explosion of receiver shown in Fig. 7.
It please refers to shown in Fig. 9, is the longitudinal profile schematic diagram of the receiver of the utility model in the fourth embodiment,
Electromagnetic drive mechanism is also dual coil designs.The main distinction of receiver shown in Fig. 9 and receiver shown in Fig. 7 is: Fig. 9
In the first magnetic field component 944 only include the first magnetic field generating member 9442, first magnetic field generating member 9442 is directly fixed on
On second bottom surface of second shell 214, and towards the free end of vibration plate 232 2324, and the first magnetic field generating member 9442 and vibration plate
Required gap is reserved between 232 free end 2324；Second magnetic field component 946 only includes the second magnetic field generating member 9462, institute
It states the second magnetic field generating member 9462 to be directly fixed on the first bottom surface of first shell 211, and towards the free end of vibration plate 232
2324, and required gap is reserved between second magnetic field generating member 9462 and the free end 2324 of vibration plate 232, wherein the
One magnetic field generating member 9442 and second magnetic field generating member 9462 are staggered relatively.That is, receiver shown in Fig. 9 passes through
The thickness for increasing magnetic field generating member, the magnetic field generating member 9442,9462 of thickening is mounted on shell 210, and it is additional that no setting is required
Magnetic inductive block.It please refers to shown in Figure 10, is the perspective view of the explosion of receiver shown in Fig. 9.
It please refers to shown in Figure 11, is the longitudinal profile schematic diagram of the receiver of the utility model in the 5th embodiment,
Its electromagnetic drive mechanism is also dual coil designs.The main distinction of receiver shown in Figure 11 and receiver shown in Fig. 7 is:
In Figure 11, for placing the region of the second magnetic field generating member 1462 relative to the first bottom surface on the first bottom surface of first shell 212
Other regions to 212 internal projection of first shell, to form first boss 2122, second magnetic field generating member 1462 is placed in
In the first boss 2122；For placing the area of first magnetic field generating member 1442 on second bottom surface of second shell 214
Domain relative to the second bottom surface other regions to 215 internal projection of second shell, to form second boss 2142, first magnetic field
Generating elements 1442 is placed directly in the second boss 2142.In this way, receiver shown in Figure 11, is increased without magnetic field generation
The thickness of part 1442,1462, can also save the setting of magnetic inductive block.It please refers to shown in Figure 12, is receiver shown in Figure 11
Perspective view of the explosion.
In conclusion have the function of reed using vibration plate 232 made of permeability magnetic material in the utility model, i.e., it is originally practical
It is novel middle by vibration plate 232 and reed two-in-one, do not need additional drive rod and reed.So that in the utility model
Receiver have the advantages that or the utility model has the advantages that
(1) component level inside receiver is clearly demarcated, the design of stack so that assembly technology is simple, be very suitable to from
Dynamic metaplasia produces；
(2) reduce the connection (for example, drive rod and reed) between moving component, there is higher high reliablity；
(3) less building block and simpler assembly technology obtain higher production efficiency.
(4) less building block and simpler assembly technology advantageously reduce cost.
In the present invention, the word that the expressions such as " connection ", " connected ", " company ", " connecing " are electrically connected, such as nothing are especially said
It is bright, then it represents that direct or indirect electric connection.
It should be pointed out that one skilled in the art specific embodiment of the present utility model is done it is any
Change the range of claims all without departing from the utility model.Correspondingly, the scope of the claims of the utility model
It is not limited only to previous embodiment.
Claims (11)
1. a kind of receiver, characterized in that it comprises:
Shell, with hollow lumen；
Vibrating diaphragm mechanism is set in the hollow lumen, and the hollow lumen is divided into the first cavity and the second cavity, institute
Stating vibrating diaphragm mechanism includes vibration plate, and the fixing end of the vibration plate is fixed on the inner wall of the shell, and the free end of the vibration plate is outstanding
Sky is set in the hollow lumen；
Electromagnetic drive mechanism is set in the hollow lumen comprising at least one coil block and at least one magnetic field
Component, wherein each magnetic field component is set in the first cavity or the second cavity, and the magnetic field component is close to the freedom of vibration plate
End；Each coil block is set in the first cavity or the second cavity, and the coil block is close to the fixing end of oscillating plate.
2. receiver according to claim 1, which is characterized in that
The magnetic field component is for generating fixed magnetic field；
The coil block generates alternating magnetic field after being powered；
The vibration plate is permeability magnetic material, and the alternating magnetic field that coil block generates when being powered is introduced into the vibration plate.
3. receiver according to claim 1, which is characterized in that
The shell includes the first shell formed by the first bottom surface and side wall, and second formed by the second bottom surface and side wall
Shell, the first shell and second shell, which mutually fasten, surrounds the hollow lumen；
The hollow lumen is separated into the first cavity close to the first bottom surface and the close to the second bottom surface by the vibrating diaphragm mechanism
Two cavitys.
4. receiver according to claim 3, which is characterized in that the vibrating diaphragm mechanism further includes fixed frame and tibial membrane,
The fixed frame is fixed on the side wall of the shell, has the inner chamber body through the fixed frame thickness direction；
The fixing end of the vibration plate is fixed on the inside of the fixed frame, and free end is suspended on the fixed frame, the vibration plate
Free end and fixed frame between be formed with preset clearance；
The tibial membrane is attached on a side surface of the fixed frame, and at least seals the preset clearance.
5. receiver according to claim 4, which is characterized in that
The tibial membrane correspond to the preset clearance at be provided with protrusion；
The fixed frame is non-magnetic material；
First shell and second shell are all made of magnetic conductive material.
6. receiver according to claim 3, which is characterized in that the electromagnetic drive mechanism includes:
It is set to the first coil component of the fixing end in the second cavity and close to the vibration plate；
It is set to the first magnetic field component of the free end in the second cavity and close to the vibration plate；
It is set to the second magnetic field component of the free end in the first cavity and close to the vibration plate.
7. receiver according to claim 6, which is characterized in that
The first coil component includes the first magnetic core and first coil,
The first coil is set on the second bottom surface of the second shell, and first magnetic core one end is sheathed on described first
In the hollow inner hole of coil, the hollow inner hole that the other end stretches out the first coil is connected with the fixing end of the vibration plate,
The magnetic core is flat or circle.
8. receiver according to claim 6, which is characterized in that
The receiver further includes fixed block, and the fixed block is located in the first cavity, and one end is set to the first shell
The first bottom surface, the other end compresses the fixing end of the vibration plate；Or
The electromagnetic drive mechanism further includes the second coil block, and second coil block is set in the first cavity and close
The fixing end of the vibration plate, second coil block include the second magnetic core and the second coil, and second coil is set to institute
It states on the first bottom surface of first shell, one end of second magnetic core is sheathed in the hollow inner hole of second coil, another
The hollow inner hole that second coil is stretched out in one end is connected with the fixing end of the vibration plate,
The magnetic core is flat or circle.
9. receiver according to claim 6, which is characterized in that
First magnetic field component includes the first magnetic field generating member and the first magnetic inductive block for generating fixed magnetic field, first magnetic conduction
Block is set on the second bottom surface of second shell；First magnetic field generating member is set on the first magnetic inductive block, and towards vibration plate
Free end；Or
First magnetic field component includes the first magnetic field generating member for generating fixed magnetic field, and the first magnetic field generating member is directly arranged at
On second bottom surface of second shell, and towards the free end of vibration plate.
10. receiver according to claim 6, which is characterized in that
Second magnetic field component includes the second magnetic field generating member and the second magnetic inductive block for generating fixed magnetic field, second magnetic conduction
Block is set on the first bottom surface of first shell；Second magnetic field generating member is set on the second magnetic inductive block, and towards vibration plate
Free end；Or
Second magnetic field component includes the second magnetic field generating member for generating fixed magnetic field, and the second magnetic field generating member is directly arranged at
On first bottom surface of first shell, and towards the free end of vibration plate.
11. receiver according to claim 6, which is characterized in that
For placing other areas of region relative to the first bottom surface of the second magnetic field component on first bottom surface of the first shell
Domain is to first shell internal projection, and to form first boss, second magnetic field component is placed in the first boss；
For placing other areas of region relative to the second bottom surface of first magnetic field component on second bottom surface of second shell
Domain is to second shell internal projection, and to form second boss, first magnetic field component is placed in the second boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822183328.8U CN209345399U (en) | 2018-12-25 | 2018-12-25 | A kind of receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822183328.8U CN209345399U (en) | 2018-12-25 | 2018-12-25 | A kind of receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209345399U true CN209345399U (en) | 2019-09-03 |
Family
ID=67758791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822183328.8U Active CN209345399U (en) | 2018-12-25 | 2018-12-25 | A kind of receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209345399U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134192A1 (en) * | 2018-12-25 | 2020-07-02 | 苏州三色峰电子有限公司 | Receiver |
| CN111372174A (en) * | 2018-12-25 | 2020-07-03 | 苏州三色峰电子有限公司 | Telephone receiver |
-
2018
- 2018-12-25 CN CN201822183328.8U patent/CN209345399U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134192A1 (en) * | 2018-12-25 | 2020-07-02 | 苏州三色峰电子有限公司 | Receiver |
| CN111372174A (en) * | 2018-12-25 | 2020-07-03 | 苏州三色峰电子有限公司 | Telephone receiver |
| US11617049B2 (en) | 2018-12-25 | 2023-03-28 | Suzhou Sensorfun Electronics Co., Ltd | Receiver |
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