CN209497567U - A kind of receiver - Google Patents
A kind of receiver Download PDFInfo
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- CN209497567U CN209497567U CN201822194250.XU CN201822194250U CN209497567U CN 209497567 U CN209497567 U CN 209497567U CN 201822194250 U CN201822194250 U CN 201822194250U CN 209497567 U CN209497567 U CN 209497567U
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- magnetic field
- shell
- vibration plate
- field component
- magnetic
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- 235000014676 Phragmites communis Nutrition 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005426 magnetic field effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model provides a kind of receiver comprising: shell, with hollow lumen；Vibrating diaphragm mechanism 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, and the vibration plate is connected on the inner wall of the shell；Electromagnetic drive mechanism is set in the hollow lumen comprising coil block and the first magnetic field component, wherein the first magnetic field component is attached at a side surface of the vibration plate；The coil block is set in second cavity.Compared with prior art, the utility model is pasted with the first magnetic field component for generating D.C. magnetic field in a side surface of vibration plate, so that alternating current magnetic field and D.C. magnetic field effect that coil generates when being powered generate driving force and vibration plate are pushed to generate vibration sounding, additional drive rod and reed are not needed, to reduce the connection between moving component, 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 vibration plate is connected on the inner wall of the shell；
Electromagnetic drive mechanism is set in the hollow lumen comprising coil block and the first magnetic field component,
In, the first magnetic field component is attached at a side surface of the vibration plate；The coil block is set in second cavity.
Further, the coil block is opposite with first magnetic field component and is separated with the first predetermined gap.
Further, the coil block includes coil, and the first surface of first magnetic field component is attached at the vibration
Plate has towards the surface of second cavity, the second surface of first magnetic field component with the side end surfaces of the coil
Gap.
Further, the electromagnetic drive mechanism further includes being set to intracorporal second magnetic field group of first chamber
Part, second magnetic field component is opposite with the first magnetic field component, and the second predetermined gap is separated between the first magnetic field component.
Further, the coil block further includes magnetic core, and the magnetic core is sheathed in the hollow bore of the coil, institute
The side end surfaces of the second surface and the magnetic core of stating the first magnetic field component have gap.
Further, the vibrating diaphragm mechanism further includes fixed frame, and the fixed frame is fixed on the side wall of the shell,
With the inner chamber body for running through the fixed frame thickness direction；The fixing end of the vibration plate is connected to the inside of the fixed frame,
Free end is suspended on the fixed frame.
Further, first magnetic field component includes the first magnet for generating fixed magnetic field, first magnet
It is attached directly to a side surface of the vibration plate.
Further, second magnetic field component includes the second magnet for generating fixed magnetic field, second magnet
It is directly fixed on the outer casing inner wall.
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 vibration plate is made of permeability magnetic material, and the shell is made of permeability magnetic material.
Compared with prior art, the utility model is pasted in a side surface of vibration plate and generates D.C. magnetic field (or fixed magnetic
) the first magnetic field component so that the alternating current magnetic field that generates and D.C. magnetic field effect generate driving force and push when coil is powered
Vibration plate generates vibration sounding, does not need additional drive rod and reed, to reduce the connection between moving component, simplifies dress
With technique, manufacturing cost is reduced.
[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 one embodiment；
Fig. 3 is the perspective view of the explosion of receiver shown in Fig. 2.
[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 one embodiment.
Receiver shown in Fig. 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 connected 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.
In the embodiment shown in Figure 2, the shell 210 includes the first shell 212 surrounded by the first bottom surface and side wall,
And the second shell 214 surrounded by the second bottom surface and side wall, first shell 212 and second shell 214 mutually fasten and surround institute
Hollow lumen 220 is stated, for example, being fixedly connected with first shell 212 with second shell 214 using gluing or electric welding mode.?
In one preferred embodiment, first shell 212 and second shell 214 are all made of permeability magnetic material and are made.
In the embodiment shown in Figure 2, the vibrating diaphragm mechanism 230 is set in the first shell 212, by the sky
Chambers 220 are separated into the first cavity 222 close to the first bottom surface and the second cavity 224 close to the second bottom surface.It is shown in Fig. 2
Embodiment in, the vibrating diaphragm mechanism 230 include vibration plate 232 and fixed frame 234.The fixed frame 234 is fixed on first shell
On the medial surface of 212 side wall, there is the inner chamber body through 234 thickness direction of fixed frame.The fixed frame 234 is not
Magnetic conductive material can be stainless steel, aluminium or other non-magnetic metals or non-metallic material；The vibration plate 232 is magnetic conduction material
Material.The fixing end of the vibration plate 232 is fixed on the inside of the fixed frame 234, and free end is vacantly in the fixed frame 234
It is interior；Preset clearance 238 is formed between the outer surface of the free end of the vibration plate 232 and the inner surface of fixed frame 234.
The electromagnetic drive mechanism is set in the hollow lumen 220, and the electromagnetic drive mechanism includes coil block
242, the first magnetic field component 244 and the second magnetic field component 246.Wherein, the first magnetic field component 244 is attached at 232 court of vibration plate
To a side surface of the second cavity 224；Second magnetic field component 246 is set in the first cavity 222, second magnetic field component
246 and first magnetic field component 244 it is opposite and be separated with the second predetermined gap；The coil block 242 is set to described
In two cavitys 224, the coil block 242 and first magnetic field component 244 are opposite and are separated with the first predetermined gap.
In the embodiment shown in Figure 2, first magnetic field component 244 only includes the first magnetic field generating member 2442, described
Second magnetic field component 246 only includes the second magnetic field generating member 2462, and first magnetic field generating member 2442 and the second magnetic field generate
Part 2462 is for generating fixed magnetic field (or D.C. magnetic field), for example, the first magnetic field generating member 2442 and the second magnetic field generating member
2462 be permanent magnet；The coil block 242 includes coil 2422 and the magnetic core 2424 being sheathed in the coil, the coil
2422 and a side end of magnetic core 2424 be separated with gap between first magnetic field generating member 2442.
The principle that electromagnetic drive mechanism driving vibration plate 232 shown in Fig. 2 vibrates is: when 2422 no power of coil, setting
It is pasted on the second magnetic field generating member 2462 on shell 210 and the suction generated between the vibration plate 232, with the vibration plate 232
The suction generated between attached first magnetic field generating member 2442 and magnetic core 2424 reaches balance；It is produced when coil 2422 is powered
Raw alternating current magnetic field can destroy this balance, make a sound so that vibration plate 232 be pushed to generate vibration.
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 receiver shown in Fig. 2 is pasted with the first magnetic field component of generation D.C. magnetic field in a side surface of vibration plate 232
244, so that alternating current magnetic field and D.C. magnetic field effect that coil 2422 generates when being powered generate driving force and vibration plate are pushed to generate vibration
Dynamic sounding, does not need additional drive rod and reed, to reduce the connection between moving component, simplifies assembly technology, drop
Low manufacturing cost.
It should be strongly noted that second magnetic field component 246 can be saved in first alternative embodiment,
Fixed magnetic field (or D.C. magnetic field) is only generated by the first magnetic field component 244.In second alternative embodiment, described first
Magnetic field component 244 can also be attached at the vibration plate 232 towards the surface of 222 side of the first cavity.It can be replaced in third
In the embodiment changed, the coil block 242 can only include coil 2422, save the magnetic core 2424.It is replaceable at the 4th
Embodiment in, the first magnetic field component 244, the second magnetic field component 246 and the coil block 242 face or opposite can not be set
It sets.In the 5th alternate embodiment, second magnetic field component 246 may include the second magnetic field generating member 2462 and lead
Magnetic patch (does not identify), and the magnetic inductive block is fixed on the first bottom surface of first shell 214；Second magnetic field generating member 2462 is solid
It is scheduled on the magnetic inductive block, and towards the vibration plate 232.
It please refers to shown in Fig. 3, is the perspective view of the explosion of receiver shown in Fig. 2.Compared to Figure 1, shown in Fig. 2 and Fig. 3
Receiver inside component level it is clearly demarcated, the design of stack is very suitable to automated production so that assembly technology is simple.
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 (10)
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 vibration plate is connected on the inner wall of the shell；
Electromagnetic drive mechanism is set in the hollow lumen comprising coil block and the first magnetic field component, wherein the
One magnetic field component is attached at a side surface of the vibration plate；The coil block is set in second cavity.
2. receiver according to claim 1, which is characterized in that
The coil block is opposite with first magnetic field component and is separated with the first predetermined gap.
3. receiver according to claim 2, which is characterized in that
The coil block includes coil,
The first surface of first magnetic field component is attached at the vibration plate towards the surface of second cavity, first magnetic
The side end surfaces of the second surface of field assembly and the coil have gap.
4. receiver according to claim 3, which is characterized in that
The electromagnetic drive mechanism further includes being set to intracorporal second magnetic field component of first chamber,
Second magnetic field component is opposite with the first magnetic field component, and the second predetermined gap is separated between the first magnetic field component.
5. receiver according to claim 4, which is characterized in that the coil block further includes magnetic core,
The magnetic core is sheathed in the hollow bore of the coil, second surface and the magnetic core of first magnetic field component
Side end surfaces have gap.
6. receiver according to claim 1, which is characterized in that the vibrating diaphragm mechanism further includes fixed frame,
The fixed frame is fixed on the side wall of the shell, has the inner chamber body through the fixed frame thickness direction；Institute
The fixing end for stating vibration plate is connected to the inside of the fixed frame, and free end is suspended on the fixed frame.
7. receiver according to claim 1, which is characterized in that first magnetic field component includes for generating fixed magnetic
First magnet of field, first magnet are attached directly to a side surface of the vibration plate.
8. receiver according to claim 4, which is characterized in that second magnetic field component includes for generating fixed magnetic
Second magnet of field, second magnet are directly fixed on the outer casing inner wall.
9. 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.
10. receiver according to claim 1, which is characterized in that
The vibration plate is made of permeability magnetic material,
The shell is made of permeability magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194250.XU CN209497567U (en) | 2018-12-25 | 2018-12-25 | A kind of receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822194250.XU CN209497567U (en) | 2018-12-25 | 2018-12-25 | A kind of receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209497567U true CN209497567U (en) | 2019-10-15 |
Family
ID=68153731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822194250.XU Active CN209497567U (en) | 2018-12-25 | 2018-12-25 | A kind of receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209497567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372176A (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 CN201822194250.XU patent/CN209497567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111372176A (en) * | 2018-12-25 | 2020-07-03 | 苏州三色峰电子有限公司 | Telephone receiver |
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