CN207603869U - A kind of receiver - Google Patents
A kind of receiver Download PDFInfo
- Publication number
- CN207603869U CN207603869U CN201721839293.8U CN201721839293U CN207603869U CN 207603869 U CN207603869 U CN 207603869U CN 201721839293 U CN201721839293 U CN 201721839293U CN 207603869 U CN207603869 U CN 207603869U
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- magnet
- receiver
- pole piece
- magnet portion
- utility
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Abstract
The utility model provides a kind of receiver, is related to receiver technical field.Wherein, this receiver has upper cover, pedestal, vibrating diaphragm, voice coil and magnetic circuit unit, the vibrating diaphragm is bonded and fixed between upper cover and pedestal, it is hot melt secure fit between the upper cover and pedestal, the voice coil is bonded and fixed to the lower surface of the voice coil, the magnetic circuit unit includes magnet, it is supported in the pole piece of magnet upper surface, it is connected to magnet lower surface and the yoke of magnetic gap is formed with the peripheral surface of the pole piece, the magnet has the first magnet portion and the second magnet portion from the first magnet portion protrusion, the pole piece is annular pole piece, the annular pole piece is supported in the upper surface of first magnet portion and is sheathed on the periphery of the second magnet portion.
Description
Technical field
The utility model is related to receiver technical field, in particular to a kind of receiver.
Background technology
Receiver is also known as receiver, 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, earphone, realizes audio, such as voice and the weight of music
It puts.Its operation principle is that the voice coil of the audio electrical signal feed-in receiver of variation, the voice coil is placed in the magnetic of a magnetic circuit
In gap, voice coil up-down vibration due to the driving of Ampere force (Lorentz force) changed caused by the electric current of variation, and drive and shake
Air before and after film driving, generates sound wave.
Receiver compares loud speaker volume and power all smallers, and the working efficiency of receiver is mainly by passing through the receiver sound
The magnetic flux of circle determines, higher by the bigger receiver working efficiency of the magnetic flux of receiver voice coil, is linked into receiver
In the circuit of equal-wattage, the loudness that the higher receiver of working efficiency generates is bigger.The electronic products such as mobile phone, earphone at present
The sound intensity that receiver power all very littles generate is also small, the sound very little that user is caused to be heard from receiver, between this
Situation needs improve its loudness in the case where receiver volume, power are constant；In addition, the prior art drawn by such as Fig. 4
Receiver does not have fixed structure between the pole piece and magnet of the receiver, causes the assembling between the pole piece of receiver and magnet difficult
Degree becomes larger, and in view of this, inventor is after the prior art is had studied, it is proposed that a kind of loudness that can not only improve receiver, but also can
To reduce the receiver of the assembly difficulty between pole piece and magnet, spy proposes the application.
Utility model content
The utility model provides a kind of receiver, it is intended to improve the loudness of receiver, while improve pole piece and magnet it
Between assembly difficulty it is big the problem of.
Have in order to solve the above technical problems, the utility model provides a kind of receiver：Vibrating diaphragm, positioned at vibrating diaphragm periphery
To support the pedestal of vibrating diaphragm, the voice coil for being fixedly connected on vibrating diaphragm lower surface, be shaken above and below vibrating diaphragm below vibrating diaphragm to drive
Dynamic magnetic circuit unit；The magnetic circuit unit include magnet, be supported in magnet upper surface pole piece, be connected to magnet lower surface and with
The peripheral surface of the pole piece is formed with the yoke of magnetic gap；The magnet includes the first magnet portion and convex from the first magnet portion upper surface
The second magnet portion risen, for the magnet substantially in convex magnet, the pole piece is annular pole piece, which is supported in described the
The upper surface of one magnet portion and the periphery for being sheathed on the second magnet portion, the annular pole piece upper surface and the second magnet portion upper surface are neat
It is flat.
Since the magnet of the receiver of the utility model has the first magnet portion and the second magnet portion, prior art receiver
Only the first magnet portion, so the receiver of the utility model has the magnet of bigger, and due to the vibrating diaphragm of two kinds of receivers, sound
Circle and yoke all same, so the receiver of the utility model compared with the prior art is being accessed by the magnetic flux bigger of voice coil
The utility model has the sound intensity of bigger under the circuit of equal-wattage.
Additionally due to the pole piece of the utility model receiver is annular pole piece, which is supported in first magnet portion
Upper surface and the periphery for being sheathed on the second magnet portion make have location structure between pole piece and magnet, make between pole piece and magnet more
Easily assembling, particularly in the case where receiver is increasingly toward miniaturization, the annular of the utility model receiver use
Pole piece and convex magnet, can be reduced the assembly difficulty between pole piece and magnet.
As advanced optimizing, the receiver has upper cover, the upper cover and the pedestal for hot melt secure fit.It is described
After there is pedestal positioning column, the upper cover there is the location hole with the positioning column clearance fit, the upper cover and pedestal to assemble, institute
Positioning column is stated higher than upper cap upper surface, upper cover and pedestal is made to form fixed configurations by heating the positioning column.
As advanced optimizing, the yoke and pedestal of the magnetic circuit unit are glue secure fit, the yoke lower surface
Higher than pedestal lower surface 0.5mm.
As advanced optimizing, the voice coil is adhered to the vibrating diaphragm lower surface, and the voice coil is placed in the outer of the pole piece
The magnetic gap that circumferential surface and yoke are formed.
As advanced optimizing, second magnet portion is higher than the first magnet portion 0.2mm, the pole piece upper surface with
The second magnet portion upper surface alignment.
As advanced optimizing, the ratio between the first magnet portion body of the receiver and the volume of the second magnet portion are 0.124.
By using above-mentioned technical proposal, the utility model can obtain following technique effect：
1st, the utility model increases the magnetic of the voice coil by receiver by using the first magnet portion and the second magnet portion
Flux, so as to improve the loudness of receiver；
2nd, for the utility model by using cricoid pole piece, which is supported in the upper surface of first magnet portion and set
Set on the periphery of the second magnet portion, make have location structure between pole piece and magnet, make to be easier to assemble between pole piece and magnet, drop
Low assembly difficulty between pole piece and magnet.
Description of the drawings
It, below will be to required in embodiment 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 understood that the following drawings illustrates only some embodiments of the utility model, therefore not
The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the exploded perspective view of the utility model embodiment receiver；
Fig. 2 is the utility model embodiment receiver, the cross-sectional view under front view；
Fig. 3 is the utility model embodiment receiver axis side schematic diagram；
Fig. 4 is prior art receiver, the cross-sectional view under front view；
It is marked in figure：1- upper covers, 2- vibrating diaphragms, 3- voice coils, 4- pedestals, 5- pole pieces, 6- magnet, 7- yokes, 8- magnetic circuit units,
The second magnet portions of 6A-, the first magnet portions of 6B-, 5 '-pole piece, the-the first magnet portions of 6B '.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, below in conjunction with this practicality
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is the embodiment of a part of embodiment of the utility model rather than whole.Based on this practicality
Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
As shown in Fig. 1, Fig. 2, the utility model, which provides a kind of receiver, to be had：Vibrating diaphragm 2, the use positioned at 2 periphery of vibrating diaphragm
To support the pedestal 4 of vibrating diaphragm 2, the voice coil 3 for being fixedly connected on 2 lower surface of vibrating diaphragm, positioned at the lower section of vibrating diaphragm 2 driving on vibrating diaphragm 2
The magnetic circuit unit 8 of lower vibration；The magnetic circuit unit 8 include magnet 6, be supported in 6 upper surface of magnet pole piece 5, be connected to magnet 6
Lower surface and the yoke 7 that magnetic gap is formed with the peripheral surface of the pole piece 5；The magnet 6 includes the first magnet portion 6B and from the
Second magnet portion 6A of one magnet portion 6B upper surfaces protrusion, for the magnet 6 substantially in convex magnet, the pole piece 5 is annular pole piece
5, which is supported in the upper surface of the first magnet portion 6B and is sheathed on the periphery of the second magnet portion 6A.
As shown in Figure 2, the magnet 6 is using the magnet steel of alnico alloy in the present embodiment, and the magnet steel is substantially in convex
Shape, projection portion are set to the second magnet portion 6A, and base portion is set to the first magnet portion 6B, and the annular pole piece 5 is supported in described
The upper surface of first magnet portion 6B and the periphery for being sheathed on the second magnet portion 6A, in addition to magnet steel and 5 outer the utility model of pole piece by
It is identical with the receiver of the prior art to talk about device other parts.
As shown in Figure 4, prior art receiver has the first magnet portion 6B ' and configuration in the first magnet portion 6B ' upper tables
The pole piece 5 ' in face, in the form of sheets, the first magnet portion 6B ' is as the first magnet portion 6B of the utility model for the pole piece 5 '.
By Fig. 2 and Fig. 4, the receiver of the utility model and the prior art is compared it is found that described the utility model is called
The pole piece 5 of device is identical with peripheral surface shape with the 5 ' thickness of pole piece of prior art receiver.The utility model receiver is compared existing
The receiver for having technology has more the second magnet portion 6A, has 6 volume of magnet of bigger, by the magnetic flux bigger of voice coil 3, is connecing
In the circuit for entering equal-wattage, the receiver of the utility model has the loudness of bigger；The pole piece 5 of the utility model is ring simultaneously
Shape pole piece 5, the pole piece 5 are supported in the upper surface of the first magnet portion of the utility model 6B and are sheathed on the outer of the second magnet portion 6A
Make have location structure between pole piece 5 and magnet 6 in week, make to be easier to assemble between pole piece 5 and magnet 6, reduce pole piece 5 and magnetic
Assembly difficulty between iron 6.
Table one is prior art receiver and the utility model receiver under the circuit of access equal-wattage, measures and passes through
The magnetic flux data of voice coil：
Table one
By table one it can be seen that the receiver of the utility model is compared compared with the receiver of the prior art, pass through the magnetic flux of voice coil 3
Amount increases, the working efficiency higher of the receiver of described the utility model, can be generated more under the circuit of access equal-wattage
Big loudness.
As shown in Fig. 2 and Fig. 3, receiver has upper cover 1, and the upper cover 1 has 4 location holes, and the pedestal 4 has 4
A positioning column, the upper cover 1 and the pedestal 4 are coordinated by positioning column and location hole, and the positioning column and location hole are matched for gap
It closes, after the upper cover 1 and the assembling of the pedestal 4, states positioning column higher than 1 upper surface of upper cover, make upper cover 1 by heating the positioning column
Fixed configurations are formed with pedestal 4.
As shown in Fig. 1 and Fig. 2, the yoke 7 and pedestal 4 of the magnetic circuit unit 8 are glue secure fit；The voice coil 3 is viscous
It is connected to 2 lower surface of vibrating diaphragm, the magnetic gap that the voice coil 3 is placed in the peripheral surface of the pole piece 5 and yoke 7 is formed；It is described
Second magnet portion 6A is higher than the first magnet portion 6B0.2mm, and the pole piece 5 is aligned with the second magnet portion 6A upper surfaces；It is described
The ratio between first magnet portion 6B bodies of receiver and the volume of the second magnet portion 6A are 0.124.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of receiver, which is characterized in that the receiver has pedestal (4), vibrating diaphragm (2), voice coil (3) and magnetic circuit unit
(8)；The magnetic circuit unit (8) is comprising magnet (6), the pole piece (5) that is supported in magnet (6) upper surface, is connected to magnet (6) following table
Face and the yoke (7) that magnetic gap is formed with the peripheral surface of the pole piece (5)；The magnet (6) comprising the first magnet portion (6B) and
From the second magnet portion (6A) of the first magnet portion (6B) upper surface protrusion, the pole piece (5) is annular pole piece (5), the ring pole
Core (5) is supported in the upper surface of first magnet portion (6B) and is sheathed on the periphery of the second magnet portion (6A).
2. a kind of receiver according to claim 1, which is characterized in that the receiver also has upper cover (1), the upper cover
(1) and the pedestal (4) is hot melt secure fit.
3. a kind of receiver according to claim 1, it is characterised in that, the yoke (7) and pedestal of the magnetic circuit unit (8)
(4) it is glue secure fit.
4. a kind of receiver according to claim 1, it is characterised in that, the voice coil (3) is adhered under the vibrating diaphragm (2)
Surface.
5. a kind of receiver according to claim 1, it is characterised in that, second magnet portion (6A) is higher than the first magnet
Portion (6B) 0.2mm, the pole piece (5) are aligned with the second magnet portion (6A) upper surface.
6. a kind of receiver according to claim 1, it is characterised in that, the first magnet portion (6B) body of the receiver and
The ratio between volume of second magnet portion (6A) is 0.124.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721839293.8U CN207603869U (en) | 2017-12-25 | 2017-12-25 | A kind of receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721839293.8U CN207603869U (en) | 2017-12-25 | 2017-12-25 | A kind of receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603869U true CN207603869U (en) | 2018-07-10 |
Family
ID=62765997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721839293.8U Active CN207603869U (en) | 2017-12-25 | 2017-12-25 | A kind of receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948802A (en) * | 2017-12-25 | 2018-04-20 | 厦门东声电子有限公司 | A kind of receiver |
-
2017
- 2017-12-25 CN CN201721839293.8U patent/CN207603869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948802A (en) * | 2017-12-25 | 2018-04-20 | 厦门东声电子有限公司 | A kind of receiver |
| CN107948802B (en) * | 2017-12-25 | 2024-04-23 | 厦门东声电子有限公司 | Telephone receiver |
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