CN209608855U - A kind of micro-telephone receiver - Google Patents
A kind of micro-telephone receiver Download PDFInfo
- Publication number
- CN209608855U CN209608855U CN201920705383.0U CN201920705383U CN209608855U CN 209608855 U CN209608855 U CN 209608855U CN 201920705383 U CN201920705383 U CN 201920705383U CN 209608855 U CN209608855 U CN 209608855U
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- Prior art keywords
- micro
- voice coil
- sound film
- support portion
- telephone receiver
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- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005520 electrodynamics Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of micro-telephone receivers, belong to speaker technology field.The micro-telephone receiver includes shell, vibrational system and magnetic circuit system.Vibrational system and magnetic circuit system are all set in shell, wherein, vibrational system includes sound film, voice coil and support component, sound film is abutted with the top of voice coil, support component is connected to sound film, and for flexibly supporting to sound film, magnetic circuit system is configured as driving voice coil and moves back and forth, so that voice coil drives the movement of sound film, to generate sound.In addition, forming the Air Coupling chamber for being used for sounding between vibrational system, magnetic circuit system and the inner wall of shell.Under the action of support component, so that voice coil vibrations amplitude increases, and then increases sound vibration of membrane amplitude, to improve the sound source level of receiver, and the Air Coupling chamber by being formed can be with the outside sound radiation pressure of higher efficiency, to improve the sound source level of receiver.
Description
Technical field
The utility model relates to speaker technology field more particularly to a kind of micro-telephone receivers.
Background technique
With the fast development of electronic technology, electronic component is towards miniaturization and miniaturization.Wherein, as electronics
Commonly used electrodynamic type micro-telephone receiver in product, principle of sound are when tone currents is by hanging on the sound in fixed magnetic field
When circle, voice coil stress and move, the sound film being connect with voice coil then can due to vibration sounding.
The receiver needs a magnetic circuit and provides power source, and the outstanding side being connected with sound film, i.e. support system.By to outstanding
The design of side material and shape, can control the stiffness and Oscillation Amplitude of receiver, to influence one of receiver in sounding
A little important performances and index, such as the fundamental frequency and sound source level of receiver.When receiver is further miniaturized, sound film is opposite becomes smaller,
If still keeping the sound source level of receiver this requires the increase of sound film Oscillation Amplitude, traditional support system has been unable to meet sound
Requirement when film vibrates for Oscillation Amplitude.Furthermore, traditional support system limits vibration width when sound film vibrates
Degree, it is low so as to cause receiver sound source level.
Therefore, it needs to propose a kind of micro-telephone receiver, it is mentioned above to solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of micro-telephone receiver, with solve in the prior art electrodynamic receiver because hanging
Side is not able to satisfy the amplitude and stiffness of vibrational system, and the problem for causing sound source level low.
As above design, the technical scheme adopted by the utility model is
A kind of micro-telephone receiver, including shell, further includes:
Vibrational system is set in the shell, and the vibrational system includes sound film, voice coil and support component, described
Sound film is abutted with the top of the voice coil, and the support component is connected to the sound film, for flexibly supporting to the sound film；
Magnetic circuit system is set in the shell, and the magnetic circuit system is configured as that the voice coil is driven to move back and forth；
The Air Coupling for being used for sounding is formed between the vibrational system, the magnetic circuit system and the inner wall of the shell
Chamber.
Further, the magnetic circuit system includes the first front plate, is annular plate-like structure, first front plate
Center offers through-hole, and the voice coil is arranged in the through-hole.
Further, the support component includes the first support portion, and one end of first support portion and the sound film connect
It connects, the other end is connect with the top of first front plate.
Further, the support component further includes the second support portion, the lower part company of one end and first front plate
It connects, the other end is connected to the bottom end of the voice coil.
Further, first support portion is the first outstanding side of endless belt-shaped structure, is rough fold knot
Structure, the pleated structure are at least one.
Further, the Air Coupling chamber is by the outer surface of the sound film, the outer surface, described of first support portion
The inner wall of the outer surface of first front plate and the shell, which encloses, to be set to be formed.
Further, one end of first support portion and the sound film are to be adhesively fixed, first support portion it is another
One end is bonded in the surface of first front plate.
Further, one end of second support portion and the lower part of first front plate are to be adhesively fixed, the other end
It is adhesively fixed with the bottom end of the voice coil.
Further, the magnetic circuit system includes the second front plate comprising ontology and grafting block open up on the ontology
There is inserting groove, the grafting block can be plugged in the inserting groove, and one end of the support component is connected in the grafting block
In the gap formed with the inserting groove.
Further, the micro-telephone receiver further includes conducting wire, and the conducting wire is connected to the bottom of the voice coil, and by institute
State enclosure interior stretching.
The utility model has the following beneficial effects:
The utility model proposes micro-telephone receiver, including shell, vibrational system and magnetic circuit system.Vibrational system and magnetic circuit
System is all set in shell, wherein and vibrational system includes sound film, voice coil and support component, and sound film is abutted with the top of voice coil,
Support component is connected to sound film, and for flexibly supporting to sound film, magnetic circuit system is configured as driving voice coil and moves back and forth, so that sound
Circle drives the movement of sound film, to generate sound.In addition, being formed between vibrational system, magnetic circuit system and the inner wall of shell for sending out
The Air Coupling chamber of sound.Under the action of the support component with fold, so that voice coil vibrations amplitude increases, and then make sound film
Oscillation Amplitude increases, and to improve the sound source level of loudspeaker, and the Air Coupling chamber by being formed can be with the outside spoke of higher efficiency
Acoustic pressure is penetrated, to improve the sound source level of receiver.
Detailed description of the invention
Fig. 1 is the explosive view for the micro-telephone receiver that the utility model embodiment one provides；
Fig. 2 is the cross-sectional view one for the micro-telephone receiver that the utility model embodiment one provides；
Fig. 3 is the cross-sectional view two for the micro-telephone receiver that the utility model embodiment one provides；
Fig. 4 is the explosive view for the micro-telephone receiver that the utility model embodiment two provides；
Fig. 5 is the cross-sectional view for the micro-telephone receiver that the utility model embodiment two provides.
In figure:
1, shell；2, vibrational system；3, magnetic circuit system；4, Air Coupling chamber；
21, sound film；22, voice coil；23, support component；24, conducting wire；31, yoke；32, magnet；33, the first front plate；34,
Second front plate；
231, the first support portion；232, the second support portion；233, the first suspension part；234, the second suspension part；311, outlet
Slot；341, ontology；342, grafting block；
3411, inserting groove.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Embodiment one
It is as shown in Figure 1 the explosive view of micro-telephone receiver provided in this embodiment；Fig. 2 be it is provided in this embodiment it is miniature by
Talk about the cross-sectional view of an angle of device；Fig. 3 is the cross-sectional view of another angle of micro-telephone receiver provided in this embodiment.This is micro-
Type receiver includes shell 1 and the vibrational system 2 being set in shell 1 and magnetic circuit system 3.
Wherein, vibrational system 2 includes sound film 21, voice coil 22 and support component 23, forms chamber between sound film 21 and shell 1
Body, to be used for sounding, sound film 21 is abutted with the top of voice coil 22, and magnetic circuit system 3 is configured as driving voice coil 22 and moves back and forth, In
Under the drive of voice coil 22, sound film 21 moves reciprocatingly then can be with sounding.
In order to support sound film 21 to move reciprocatingly, which further includes support component 23, support component 23 and sound
Film 21 connects, and flexibly supports to sound film 21.Support component 23 is located on the outside of voice coil 22 comprising the first support portion
231 and second support portion 232, magnetic circuit system 3 include the first front plate 33, one end of the first support portion 231 is connect with sound film 21,
The other end is connect with the top of the first front plate 33.
One end of second support portion 232 is connect with the lower part of the first front plate 33, and the other end is connected to the bottom end of voice coil 22.
In the present embodiment, two kinds of forms are provided for the installation of support component 23, one is, only in the first front plate 33 and sound
The first support portion 231 is connected between film 21；Secondly being, by the first support portion 231 and the second support portion 232 according to above scheme
It is co-located between sound film 21 and voice coil 22.Both above modes, the former can be the case where saving the second support portion 232
Under, individually accomplish the resilient support to sound film 21, the letter being effectively saved in the use and processing step of the second support portion 232
Change, to reduce economic cost.The latter passes through the first support portion 231 of setting and the second support portion 232 respectively, in voice coil 22
Above and below given resilient support, the amplitude of voice coil 22 can greatly improved, and then improve the amplitude of sound film 21,
To improve the sound source level of micro-telephone receiver, in addition, related oscillating mass is also reduced, so that sound source level be made to improve.
Specifically at work, magnetic circuit system 3 can drive voice coil 22 to do straight reciprocating motion along fixed-direction, voice coil 22
Top successively according to it is close, be adjacent to and separate movement, sound film 21 is realized and is driven, and sound film 21 is then in the first support portion 231
Resilient support under, keep continual and steady and move reciprocatingly, to generate sound；First support portion and the second support portion configuration
Outstanding side can reduce the stiffness of vibrational system 2, while guarantee movement amplitude, to increase the sound source of the micro-telephone receiver
Grade.
In order to realize the first support portion 231 to the resilient support of sound film 21, in the present embodiment, as shown in Fig. 2, first
Support part 231 is the first outstanding side of endless belt-shaped structure, is rough pleated structure, wherein pleated structure can be for extremely
It is one few, it is in the present embodiment three, naturally it is also possible to select according to actual needs.Specifically, the outer surface on the first outstanding side
For three protrusions and two recess portions, and protrusion and recess portion interval are arranged, and the inner surface configuration on the first outstanding side is adapted with outer surface.
Such special structure makes the first outstanding side have the function of springing back after stretching, and borrowing this function can be real to vibrational system 2
Existing stiffness control.It is fixed in addition, the first support portion 231 is realized by way of bonding with the surface of sound film 21, naturally it is also possible to
Stability using other connection types, when ensuring that the first support portion 231 is connect with sound film 21.
In order to which the other end to the first support portion 231 is fixed, by the way that the first support portion 231 is bonded in the first fore-clamp
On one side surface of plate 33, certain connection type is not limited to bond, or other connection types.Specifically, first
Front plate 33 is annular plate-like structure, is fixed on the inner wall of shell 1, the center of the first front plate 33 offers logical
Hole, voice coil 22 are arranged in through-hole, and can be moved along the opening direction of the through-hole.
In addition, in order to which the other end to voice coil 22 flexibly supports, the second support portion 232 proposed in the present embodiment,
One end is connected to the first front plate 33, and the other end is connected to the other end of voice coil 22.Specifically, the second support portion 232 includes
The second of split settings it is outstanding while and third it is outstanding while, second it is outstanding while and third it is outstanding while it is identical with the structure on the first outstanding side, be bumps
Uneven fold banded structure.Unlike, the second outstanding side and third cantilever are separate structure, second it is outstanding while and third it is outstanding while phase
Voice coil 22 is symmetrical arranged, the one end on the second outstanding side is connected to the first front plate 33, and the other end is connected to voice coil 22, and third hangs side
One end be connected to the first front plate 33, the other end is connected to voice coil 22.
In the present embodiment, respectively by the outer surface of sound film 21, the outer surface of the first support portion 231, the first front plate 33
Outer surface and the inner wall of shell 1 enclose and set to form Air Coupling chamber 4, due to the rough fold knot of the first support portion 231
The structure Air Coupling chamber 4 can preferably couple what receiver vibration plane was pushed with vibration plane than the similar cavity of conventional art
Air load, to improve radiation efficiency and sound source level.
In the present embodiment, magnetic circuit system 3 includes yoke 31 and magnet 32, and magnet 32 is located on 31 outside of yoke, yoke
31 part-structure is arranged in voice coil 22.Specifically, yoke 31 be T-shaped structure comprising first interconnected and
Second, first is arranged in voice coil 22, and magnet 32 includes the first magnet and the second magnet, the first magnet and the second magnet phase
First is symmetrical arranged, and the first magnet and the second magnet are arranged on second, press from both sides between the first magnet and the second magnet
Equipped with second it is outstanding while or third it is outstanding while, specifically, if being overlooked according to yoke 31, and with direction counterclockwise, four
Person's puts sequence and can be followed successively by the first magnet, second outstanding in, the second magnet and outstanding third；Or the first magnet,
Third is outstanding when, the second magnet and second are outstanding.
In addition, micro-telephone receiver further includes conducting wire 24, conducting wire 24 is connected to the bottom of voice coil 22, and by 1 inside of shell with
The space that the line outlet groove 311 of 31 bottom end of yoke is formed is stretched out, and compared to for existing receiver, receiver cabling in the raised floor can be with
The beauty for increasing receiver, optimizes structure.
In the present embodiment, first it is outstanding while, second it is outstanding while and third hang side and be made of non-magnetic material, can be plastics
Or rubber material or cloth material are made.
Embodiment two
As shown in Figure 4 and Figure 5, the present embodiment provides another micro-telephone receiver, the place different from embodiment one is,
The components that the first front plate 33 in embodiment one is structure as a whole, and in the present embodiment, the second front plate 34 includes this
Body 341 and grafting block 342 offer inserting groove 3411 in the outer circumferential of ontology 341, and grafting block 342 can be along ontology 341
Thickness direction is inserted into inserting groove 3411, and carries out sandwiched limit to the second support portion 232 being placed in inserting groove 3411, is made
The one end for obtaining the second support portion 232 is limited on the first front plate 33, realizes the fixation to the second support portion 232, another
End is fixed with voice coil 22.
In addition, the first suspension part 233 and the second suspension part 234 that propose in the present embodiment and second in embodiment one are outstanding
It is different while outstanding with third.Specifically, the first suspension part 233 includes a recess portion and two protrusions, with 231 phase of the first support portion
Than few a protrusion and a recess portion, structure is simplified, while improving the first suspension part 233 drawing in vertical direction
Elongation reduces its stiffness factor, provides support to increase the amplitude of sound film 21.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of micro-telephone receiver, including shell (1), which is characterized in that further include:
Vibrational system (2) is set in the shell (1), the vibrational system (2) include sound film (21), voice coil (22) and
Support component (23), the sound film (21) abut with the top of the voice coil (22), and the support component (23) is connected to described
Sound film (21), for being flexibly supported to the sound film (21)；
Magnetic circuit system (3) is set in the shell (1), and the magnetic circuit system (3) is configured as driving the voice coil (22)
It moves back and forth；
The air for being used for sounding is formed between the vibrational system (2), the magnetic circuit system (3) and the inner wall of the shell (1)
Coupler (4).
2. micro-telephone receiver according to claim 1, which is characterized in that the magnetic circuit system (3) includes the first front plate
It (33), is annular plate-like structure, the center of first front plate (33) offers through-hole, and the voice coil (22) is arranged in institute
It states in through-hole.
3. micro-telephone receiver according to claim 2, which is characterized in that the support component (23) includes the first support portion
(231), one end of first support portion (231) is connect with the sound film (21), the other end and first front plate (33)
Top connection.
4. micro-telephone receiver according to claim 3, which is characterized in that the support component (23) further includes the second support
Portion (232), one end are connect with the lower part of first front plate (33), and the other end is connected to the bottom end of the voice coil (22).
5. micro-telephone receiver according to claim 3, which is characterized in that first support portion (231) is endless belt-shaped
The outstanding side of the first of structure, is rough pleated structure, and the pleated structure is at least one.
6. micro-telephone receiver according to claim 3, which is characterized in that the Air Coupling chamber (4) is by the sound film
(21) the outer surface of outer surface, first support portion (231), the outer surface of first front plate (33) and the shell
(1) inner wall, which encloses, to be set to be formed.
7. micro-telephone receiver according to claim 3, which is characterized in that one end of first support portion (231) and institute
Stating sound film (21) is to be adhesively fixed, and the other end of first support portion (231) is bonded in the table of first front plate (33)
Face.
8. micro-telephone receiver according to claim 4, which is characterized in that one end of second support portion (232) and institute
The lower part for stating the first front plate (33) is to be adhesively fixed, and the other end and the bottom end of the voice coil (22) are adhesively fixed.
9. micro-telephone receiver according to claim 1, which is characterized in that the magnetic circuit system (3) includes the second front plate
(34) comprising ontology (341) and grafting block (342) offer inserting groove (3411), the grafting on the ontology (341)
Block (342) can be plugged in the inserting groove (3411), and one end of the support component (23) is connected in the grafting block
(342) in the gap formed with the inserting groove (3411).
10. -9 described in any item micro-telephone receivers according to claim 1, which is characterized in that the micro-telephone receiver further includes
Conducting wire (24), the conducting wire (24) are connected to the bottom of the voice coil (22), and by stretching out inside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705383.0U CN209608855U (en) | 2019-05-16 | 2019-05-16 | A kind of micro-telephone receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920705383.0U CN209608855U (en) | 2019-05-16 | 2019-05-16 | A kind of micro-telephone receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209608855U true CN209608855U (en) | 2019-11-08 |
Family
ID=68406783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920705383.0U Withdrawn - After Issue CN209608855U (en) | 2019-05-16 | 2019-05-16 | A kind of micro-telephone receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209608855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982222A (en) * | 2019-05-16 | 2019-07-05 | 国光电器股份有限公司 | A kind of micro-telephone receiver |
-
2019
- 2019-05-16 CN CN201920705383.0U patent/CN209608855U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109982222A (en) * | 2019-05-16 | 2019-07-05 | 国光电器股份有限公司 | A kind of micro-telephone receiver |
| CN109982222B (en) * | 2019-05-16 | 2024-02-06 | 国光电器股份有限公司 | Miniature telephone receiver |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191108 Effective date of abandoning: 20240206 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191108 Effective date of abandoning: 20240206 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |