CN110267169A - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN110267169A CN110267169A CN201910500364.9A CN201910500364A CN110267169A CN 110267169 A CN110267169 A CN 110267169A CN 201910500364 A CN201910500364 A CN 201910500364A CN 110267169 A CN110267169 A CN 110267169A
- Authority
- CN
- China
- Prior art keywords
- fixed
- vibrating diaphragm
- frame
- magnet steel
- metal insert
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The present invention provides a kind of loudspeakers, including frame and the vibrational system and magnetic circuit system that are contained in frame, vibrational system includes the vibrating diaphragm for being fixed on frame, drive the voice coil of diaphragm oscillations sounding, magnetic circuit system includes the magnetic yoke for being fixed on frame, it is fixed on the main magnet steel of magnetic yoke, the secondary magnet steel of magnetic gap is formed with main magnet steel interval and is stacked at the upper clamp plate of secondary magnet steel, upper clamp plate includes the body part for being stacked at secondary magnet steel, the extension extended from the opposite end of body part towards the bending of vibrating diaphragm direction and the interconnecting piece being connected between extension, interconnecting piece is fixed with frame, frame includes main part and is mounted on main part close to the metal insert of vibrating diaphragm side, metal insert is between main part and vibrating diaphragm；Vibrating diaphragm includes the fixed part that vibration section and self-excited oscillation portion edge extend, and fixed part is fixed with metal insert.Width by increasing vibrating diaphragm ring increases the oscillation space of vibrating diaphragm, and the audio property of product can be promoted, at the same product it is resistance to fall, anti-extrusion performance height.
Description
[technical field]
The present invention relates to electro-acoustic transducer device technical field more particularly to a kind of loudspeakers.
[background technique]
Loudspeaker is widely used in the portability electronic equipment such as mobile phone, laptop, hearing aid.With these convenience
The fast development of electronic equipment, people are more and more stronger to its Functional Requirement, and the loudspeaker being applied thereon is also corresponding fast
The development of speed.
Currently, the loudspeaker of dependency structure includes frame, it is contained in the vibrational system and magnetic circuit system of frame.And usual basin
Frame uses integral structure, and is made by injection molding or metal material.Using the frame of plastic production, thickness mistake
Thin, intensity is inadequate, under the premise of proof strength is enough, needs to guarantee the thickness of frame in a certain range, then to make in this way
The contact surface for obtaining frame and sound film gluing is excessive, causes the ring width of sound film too small and influences the audio performance of product.And it adopts
The frame made of metal material, the frame of integral structure then makes weight excessive, so that using the loudspeaking of such frame
Device seems heavy.
[summary of the invention]
The purpose of the present invention is to provide a kind of loudspeakers, it is intended to solve the structure of frame integrated setting in the related technology
Because frame is excessive to sound film cemented surface so that sound film ring width is corresponding to reduce audio performance due to reduce small and product is bulky
Technical problem.
Technical scheme is as follows: a kind of loudspeaker, including frame and the vibrational system being contained in frame and magnetic
Road system, vibrational system include the vibrating diaphragm for being fixed on frame, drive the voice coil of diaphragm oscillations sounding and be set to voice coil with respect to two
The elastic supporting member for supporting optical member of side, for voice coil between vibrating diaphragm and elastic supporting member for supporting optical member, magnetic circuit system includes the magnetic yoke for being fixed on frame, fixation
In magnetic yoke main magnet steel, be located at main magnet steel opposite sides and form the secondary magnet steel of magnetic gap with main magnet steel interval and folded set
In the upper clamp plate of secondary magnet steel, upper clamp plate includes the body part for being stacked at secondary magnet steel, from the opposite end of body part towards vibrating diaphragm direction
The extension extended and the interconnecting piece being connected between extension are bent, body part, extension and interconnecting piece surround annular；Bullet
Fix with voice coil, the other end and frame are fixed by supporting element one end for property；Interconnecting piece is fixed with frame, and elastic supporting member for supporting optical member is located at interconnecting piece
Between magnetic yoke；Frame includes main part and is mounted on main part close to the metal insert of vibrating diaphragm side, and metal insert is located at
Between main part and vibrating diaphragm；Vibrating diaphragm includes the fixed part that vibration section and self-excited oscillation portion edge extend, fixed part and metal insert
It is fixed.
Further, magnetic circuit system further includes the auxiliary magnet steel far from magnetic yoke side that is stacked at secondary magnet steel, body part evacuation
It assists magnet steel and is located between auxiliary magnet steel and voice coil.
Further, fixed part includes the first connecting portion connecting with vibration section edge and from first connecting portion towards metal
The second connecting portion that the bending of inserts direction extends, metal insert include against and fixed first connecting portion the first stationary plane and
The second fixed stationary plane is bonded with second connecting portion.
Further, metal insert is becket.
Further, main part includes the support portion opposite with vibrating diaphragm, and support portion is close to the side of vibrating diaphragm towards vibrating diaphragm direction
Protruding portion is extended to form, metal insert is set in protruding portion periphery.
Further, extension and protruding portion are fixed far from the side of metal insert, extension close to vibrating diaphragm one end with
Protruding portion flushes.
Further, support portion towards vibrating diaphragm direction extended to form with the spaced clamping portion of protruding portion, clamping portion with
The accommodation groove of receiving installation metal insert is formed between protruding portion.
Further, metal insert, upper clamp plate and main part integrated injection molding.
Further, main part further includes that the one end of self-supporting portion far from vibrating diaphragm extends towards the direction far from metal insert
Extending column, metal insert extend to form the metal Extendible flake being attached on the outside of extending column far from the side of vibrating diaphragm.
Further, elastic supporting member for supporting optical member includes being fixed on the flexible circuit board of voice coil one end and being sticked in flexible circuit board
Far from voice coil side lower sound film, flexible circuit board include the first fixed arm connect with voice coil, be fixed on frame second consolidate
Fixed arm and the elasticity arm being connected between the first fixed arm and the second fixed arm.
Further, lower sound film includes face elasticity arm and towards far from elasticity arm direction arc ring outstanding portion.
The beneficial effects of the present invention are: the basic boom of frame is made of main part and metal insert, it is embedding using metal
The rigidity property of part guarantees frame integral strength, so that not needing to increase the glue area of metal insert and vibrating diaphragm, Jin Erke
To increase the width of vibrating diaphragm ring to increase the oscillation space of vibrating diaphragm the audio property of product can be promoted, moreover it is possible to improve and produce
Product it is resistance to fall, anti-extrusion performance.On this basis, upper clamp plate is fixed on one by main part and frame, further mentioned
Frame intensity has been risen, while having simplified assembly process, has improved production efficiency.
[Detailed description of the invention]
Fig. 1 is a kind of perspective view of loudspeaker of the invention；
Fig. 2 is a kind of decomposition diagram of loudspeaker of the invention；
Fig. 3 is a kind of structural schematic diagram of the upper clamp plate of loudspeaker of the invention；
Fig. 4 is a kind of structural schematic diagram of the main part of the frame of loudspeaker of the invention；
Fig. 5 is sectional view at A-A in Fig. 1；
Fig. 6 is enlarged drawing at B in Fig. 4.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention；Term " first ", " second ", " third "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific regulation and limit
Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
It referring to Fig.1-4, is a kind of preferred embodiment of loudspeaker provided by the invention, which includes frame 1 and receive
The vibrational system 2 and magnetic circuit system 3 being dissolved in frame 1, vibrational system 2 include the vibrating diaphragm 21 for being fixed on frame 1, driving vibrating diaphragm 21
The voice coil 22 of vibration sounding and elastic supporting member for supporting optical member 23 set on 22 opposite sides of voice coil, voice coil 22 is located at vibrating diaphragm 21 and elasticity is propped up
Between support member 23, magnetic circuit system 3 includes the magnetic yoke 31 for being fixed on frame 1, the main magnet steel 32 for being fixed on magnetic yoke 31, is located at master
32 opposite sides of magnet steel and the secondary magnet steel 33 of magnetic gap is formed with main magnet steel 32 interval and is stacked at the upper clamp plate of secondary magnet steel 33
34, upper clamp plate 34 includes the body part 341 for being stacked at secondary magnet steel 33, curved towards 21 direction of vibrating diaphragm from the opposite end of body part 341
Roll over the extension 342 extended and the interconnecting piece 343 being connected between extension 342, body part 341, extension 342 and connection
Portion 343 surrounds annular；23 one end of elastic supporting member for supporting optical member and voice coil 22 are fixed, the other end and frame 1 are fixed；Interconnecting piece 343 and frame 1
Fixed, elastic supporting member for supporting optical member 23 is between interconnecting piece 343 and magnetic yoke 31；Frame 1 is including main part 11 and is mounted on main part
11 close to 21 side of vibrating diaphragm metal insert 12, metal insert 12 is between main part 11 and vibrating diaphragm 21；Vibrating diaphragm 21 includes vibration
The fixed part 212 that dynamic portion 211 and 211 edge of self-excited oscillation portion extend, fixed part 212 and metal insert 12 are fixed.
A kind of loudspeaker provided by the invention is made of the basic boom of frame 1 main part 11 and metal insert 12, utilizes
The rigidity property of metal insert 12 guarantees 1 integral strength of frame, and then can increase the width of 21 ring of vibrating diaphragm to increase vibration
The oscillation space of film 21 can be promoted the audio property of product, moreover it is possible to improve product it is resistance to fall, anti-extrusion performance.In this base
On plinth, upper clamp plate 34 is fixed on one by main part 11 and frame 1,1 intensity of frame is further improved, simplifies simultaneously
Assembly process, improves production efficiency.
In the present embodiment, main part 11 can use plastic material, can so reduce the whole weight of frame 1,
Metal insert 12 and upper clamp plate 34 and stable connection degree of following support portions 111 in frame 1 can be improved again.
Further, magnetic circuit system 3 further includes being stacked at auxiliary magnet steel 35 of the secondary magnet steel 33 far from 31 side of magnetic yoke, ontology
The evacuation of portion 341 assists magnet steel 35 and is located between auxiliary magnet steel 35 and voice coil 22.In this way, the internal structure of loudspeaker can be improved
Compactedness.
Referring to Fig. 5-6, specifically, fixed part 212 include the first connecting portion 2121 being connect with 211 edge of vibration section and
The second connecting portion 2122 extended from first connecting portion 2121 towards the bending of 12 direction of metal insert, metal insert 12 includes against simultaneously
First stationary plane 121 of fixed first connecting portion 2121 and the second stationary plane 122 that fixation is bonded with second connecting portion 2122.
It is fixed using the first stationary plane 121 and first connecting portion 2121 against, the second stationary plane 122 and the fitting of second connecting portion 2122,
So that metal insert 12 and vibrating diaphragm 21 form connection fitting and fix, and further, the second stationary plane 122 and second connecting portion 2122
Using glue gluing, the connection that can so increase between metal insert 12 and vibrating diaphragm 21 is more firm.
Referring to fig. 4, specifically, main part 11 includes the support portion 111 opposite with vibrating diaphragm 21, support portion 111 is close to vibrating diaphragm
21 side has extended to form protruding portion 112 towards 21 direction of vibrating diaphragm, and metal insert 12 is set in 112 periphery of protruding portion.Metal is embedding
Part 12 is set in 112 periphery of protruding portion, and metal insert 12 is enable to be stably fixed on support portion 111.Support portion 111 is towards vibration
21 direction of film has been extended to form with the spaced clamping portion 113 of protruding portion 112, shape between the clamping portion 113 and protruding portion 112
At receiving installation metal insert 12 accommodation groove 114, thus enable metal insert 12 be steadily folded in clamping portion 113 with
Between protruding portion 112, the fixed stability of metal insert 12 is further increased.
Further, main part 11 further includes the one end of self-supporting portion 111 far from vibrating diaphragm 21 towards far from metal insert 12
The extending column 115 that direction extends, metal insert 12 extend to form the gold for being attached at 115 outside of extending column far from the side of vibrating diaphragm 21
Belong to Extendible flake 14.By the cooperation of extending column 115 and metal Extendible flake 14, main part 11 and metal insert can be further improved
12 stable connection degree.
Referring to Fig. 6, further, extension 342 is fixed with protruding portion 112 far from the side of metal insert 12, extension
342 flush close to one end of vibrating diaphragm 21 with protruding portion 112, and protruding portion 112 can be protruded to avoid extension 342 to be caused to be easy and shake
Film 21, which abuts, or extension 342 is lower than protruding portion 112 causes the intensity of upper clamp plate 34 too low.
Referring to Fig. 1, further, elastic supporting member for supporting optical member 23 include be fixed on 22 one end of voice coil flexible circuit board 231 and
It is sticked in lower sound film 232 of the flexible circuit board 231 far from 22 side of voice coil, flexible circuit board 231 includes connecting with voice coil 22
First fixed arm 2311, the second fixed arm 2312 for being fixed on frame 1 and it is connected to the first fixed arm 2311 and second fixed
Elasticity arm 2313 between arm 2312, lower sound film 232 include face elasticity arm 2313 and protrude towards far from 2313 direction of elasticity arm
Arc ring portion 2321.In this way, being supported jointly to voice coil 22 by flexible circuit board 231 and lower voice coil 22, that is, reach support sound
The purpose of circle 22, and can be by flexible circuit board 231 and the assembling of lower sound film 232 dexterously in inside loudspeakers, structure designs pole
It is dexterous, product it is compact-sized so that the compact of product.
In the present embodiment, 11 integrated injection molding of metal insert 12, upper clamp plate 34 and main part, so can be improved and raises
The overall performance of sound device, moreover it is possible to simplify assembly process.
In the present embodiment, metal insert 12 is becket.Using cricoid metal insert 12, entire frame can be improved
1 structural stability.
The above are merely embodiments of the present invention, it should be noted here that for those of ordinary skill in the art,
Without departing from the concept of the premise of the invention, improvement can also be made, but these are all belonged to the scope of protection of the present invention.
Claims (11)
1. a kind of loudspeaker, including frame and the vibrational system being contained in the frame and magnetic circuit system, the vibrational system
Including being fixed on the vibrating diaphragm of the frame, driving the voice coil of the diaphragm oscillations sounding and set on the voice coil opposite sides
Elastic supporting member for supporting optical member, for the voice coil between the vibrating diaphragm and the elastic supporting member for supporting optical member, the magnetic circuit system includes being fixed on institute
State the magnetic yoke of frame, the main magnet steel for being fixed on the magnetic yoke, be located at the main magnet steel opposite sides and with the main magnet steel
Interval forms the secondary magnet steel of magnetic gap and the upper clamp plate for being stacked at the secondary magnet steel, it is characterised in that: the upper clamp plate includes
The body part for being stacked at the secondary magnet steel, the extension extended from the opposite end of the body part towards vibrating diaphragm direction bending
And it is connected to the interconnecting piece between the extension, the body part, the extension and the interconnecting piece surround annular；Institute
State that elastic supporting member for supporting optical member one end is fixed with the voice coil, the other end is fixed with the frame；The interconnecting piece is fixed with the frame,
The elastic supporting member for supporting optical member is between the interconnecting piece and the magnetic yoke；The frame includes main part and is mounted on the master
Body portion is close to the metal insert of the vibrating diaphragm side, and the metal insert is between the main part and the vibrating diaphragm；It is described
Vibrating diaphragm includes that vibration section and the fixed part from vibration section edge extension, the fixed part are fixed with the metal insert.
2. loudspeaker according to claim 1, it is characterised in that: the magnetic circuit system further includes being stacked at the secondary magnet steel
Auxiliary magnet steel far from the magnetic yoke side, the body part avoid the auxiliary magnet steel and positioned at the auxiliary magnet steel with it is described
Between voice coil.
3. loudspeaker according to claim 1, it is characterised in that: the fixed part includes connecting with the vibration section edge
First connecting portion and from the first connecting portion towards the metal insert direction bending extend second connecting portion, the gold
Belong to inserts include against and the fixed first connecting portion the first stationary plane and be bonded with the second connecting portion fixation
Second stationary plane.
4. loudspeaker according to claim 1-3, it is characterised in that: the metal insert is becket.
5. loudspeaker according to claim 4, it is characterised in that: the main part includes the support opposite with the vibrating diaphragm
Portion, the support portion have extended to form protruding portion, the metal insert set towards the vibrating diaphragm direction close to the side of the vibrating diaphragm
It is located at the protruding portion periphery.
6. loudspeaker according to claim 5, it is characterised in that: the extension and the protruding portion are far from the metal
The side of inserts is fixed, and the extension is flushed close to one end of the vibrating diaphragm with the protruding portion.
7. loudspeaker according to claim 5, it is characterised in that: the support portion has been extended to form towards the vibrating diaphragm direction
With the spaced clamping portion of the protruding portion, it is embedding that the receiving installation metal is formed between the clamping portion and the protruding portion
The accommodation groove of part.
8. loudspeaker according to claim 5, it is characterised in that: the metal insert, the upper clamp plate and the main body
Portion's integrated injection molding.
9. loudspeaker according to claim 8, it is characterised in that: the main part further includes from the support portion far from institute
State the extending column that one end of vibrating diaphragm extends towards the direction far from the metal insert, the metal insert far from the vibrating diaphragm one
Side extends to form the metal Extendible flake being attached on the outside of the extending column.
10. loudspeaker according to claim 9, it is characterised in that: the elastic supporting member for supporting optical member includes being fixed on the voice coil
It the flexible circuit board of one end and is sticked in lower sound film of the flexible circuit board far from the voice coil side, the flexible circuit
Plate includes the first fixed arm connecting with the voice coil, the second fixed arm for being fixed on the frame and is connected to described first
Elasticity arm between fixed arm and second fixed arm.
11. loudspeaker according to claim 10, it is characterised in that: the lower sound film includes elasticity arm described in face and court
Far from the elasticity arm direction arc ring outstanding portion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500364.9A CN110267169B (en) | 2019-06-11 | 2019-06-11 | Loudspeaker |
| PCT/CN2019/091113 WO2020248191A1 (en) | 2019-06-11 | 2019-06-13 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500364.9A CN110267169B (en) | 2019-06-11 | 2019-06-11 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110267169A true CN110267169A (en) | 2019-09-20 |
| CN110267169B CN110267169B (en) | 2021-06-22 |
Family
ID=67917593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500364.9A Expired - Fee Related CN110267169B (en) | 2019-06-11 | 2019-06-11 | Loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110267169B (en) |
| WO (1) | WO2020248191A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641907A (en) * | 2020-06-24 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN112004168A (en) * | 2020-08-27 | 2020-11-27 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| CN112104930A (en) * | 2020-08-27 | 2020-12-18 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| CN112702683A (en) * | 2019-10-22 | 2021-04-23 | 台湾立讯精密有限公司 | Miniature loudspeaker |
| WO2021093003A1 (en) * | 2019-11-12 | 2021-05-20 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
| WO2022126790A1 (en) * | 2020-12-16 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2024000683A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声科技(南宁)有限公司 | Speaker box |
| WO2024031799A1 (en) * | 2022-08-12 | 2024-02-15 | 瑞声光电科技(常州)有限公司 | Sound production device |
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| CN112702683A (en) * | 2019-10-22 | 2021-04-23 | 台湾立讯精密有限公司 | Miniature loudspeaker |
| WO2021093003A1 (en) * | 2019-11-12 | 2021-05-20 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
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| WO2022126790A1 (en) * | 2020-12-16 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2024000683A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声科技(南宁)有限公司 | Speaker box |
| WO2024031799A1 (en) * | 2022-08-12 | 2024-02-15 | 瑞声光电科技(常州)有限公司 | Sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110267169B (en) | 2021-06-22 |
| WO2020248191A1 (en) | 2020-12-17 |
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Granted publication date: 20210622 |