CN207354593U - Magnetic speaker - Google Patents
Magnetic speaker Download PDFInfo
- Publication number
- CN207354593U CN207354593U CN201721085973.5U CN201721085973U CN207354593U CN 207354593 U CN207354593 U CN 207354593U CN 201721085973 U CN201721085973 U CN 201721085973U CN 207354593 U CN207354593 U CN 207354593U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- voice coil
- magnet steel
- gear
- magnetic portion
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of new magnetic speaker, including magnetic circuit system and vibrational system, the voice coil loudspeaker voice coil that the vibrational system includes vibrating diaphragm and drives vibrating diaphragm vertically to vibrate, the magnetic circuit system includes magnetic bowl, it is contained in the magnet steel of magnetic bowl and the upper clamp plate on magnet steel that is sticked, include on the upper clamp plate to the first gear magnetic portion away from the bending extension of vibrating diaphragm side, the magnetic bowl includes the second gear magnetic portion extended to vibrating diaphragm direction, the first gear magnetic portion and the second gear magnetic portion are staggered, there is the first distance between first gear magnetic portion and the voice coil loudspeaker voice coil, there is second distance between second gear magnetic portion and voice coil loudspeaker voice coil, there is the difference at least above zero between first distance and second distance.By setting first gear magnetic portion and second gear magnetic portion, while electromagnetic performance is ensured, disclosure satisfy that product every magnetic requirement, and then improve the acoustical behavior of magnetic speaker.
Description
Technical field
It the utility model is related to electroacoustic conversion art, more particularly to a kind of magnetic speaker.
Background technology
With the arrival in mobile Internet epoch, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile equipment
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.At present, the function of mobile phone and its various, one of them is just
It is the music function of high-quality, and the loudspeaker in mobile phone is one of necessary requirement for realizing this high-quality music function.
Existing magnetic speaker needs in addition one antifreeze plate of patch when interior of mobile phone is installed, therefore without every magnetic measure
Exceptional space is needed to arrange antifreeze plate, magnetic circuit must be reduced by, which causing, sacrifices performance to meet every magnetic requirement, but thus limits
The electromagnetic performance of magnetic circuit, so as to limit further improving for the acoustical behavior of product.
Therefore, it is really necessary to provide a kind of new magnetic speaker to solve the above problems.
Utility model content
The utility model in order to solve the above technical problems, and a kind of new magnetic speaker is provided, ensure electromagnetically
Can while, disclosure satisfy that product every magnetic requirement, and then improve the acoustical behavior of magnetic speaker, concrete scheme is：
A kind of magnetic speaker, including magnetic circuit system, vibrational system and the fixed vibrational system and the magnetic circuit system
Frame, the magnetic circuit system includes magnetic bowl, is contained in the magnet steel of magnetic bowl and the upper clamp plate on magnet steel that is sticked, the magnetic bowl with
The frame assembles the receiving space for surrounding and housing the vibrational system and the magnet steel, and the vibrational system includes being fixed on institute
The voice coil loudspeaker voice coil of vibrating diaphragm and the driving diaphragm oscillations sounding of the frame away from described magnetic bowl one end is stated, the voice coil loudspeaker voice coil is suspended in described
In receiving space, the upper clamp plate is fixed in the receiving space and close to the vibrating diaphragm, the upper clamp plate include with it is corresponding
The main part being arranged on above the magnet steel and first from the main part outer edge to remote vibrating diaphragm side bending extension
Magnetic portion is kept off, the magnetic bowl includes the second gear for supporting the body of the magnet steel and extending from the body edges to vibrating diaphragm direction
Magnetic portion, has the first distance, has between the second gear magnetic portion and the voice coil loudspeaker voice coil between the first gear magnetic portion and the voice coil loudspeaker voice coil
There is second distance, there is the difference at least above zero between first distance and the second distance.
Preferably, orthographic projection and the second gear magnetic portion of the first gear magnetic portion on the magnet steel are on the magnet steel
Orthographic projection at least partly be staggered.
Preferably, orthographic projection and the second gear magnetic portion of the first gear magnetic portion on the magnet steel are on the magnet steel
Orthographic projection it is least partially overlapped.
Preferably, the magnet steel include be fixed on the body main magnet steel and with the main spaced pair of magnet steel
Magnet steel, the main part of the upper clamp plate are sticked on the secondary magnet steel.
Preferably, the first gear magnetic portion is spaced multiple platy structures.
Preferably, the upper clamp plate is molded into a single integrated structure with the frame.
Preferably, centring disk is further included, described centring disk one end is connected with the frame, and one end is fixed on the sound
Side of the circle away from the vibrating diaphragm.
Preferably, the pad being electrically connected with the centring disk is provided with the frame.
Preferably, the first gear magnetic portion and the second gear magnetic part be not around being located at the voice coil loudspeaker voice coil surrounding；The voice coil loudspeaker voice coil
Side close to the pad is the first side, remaining is the second side；First distance of first side is less than described second
Distance, and the difference is greater than or equal to the thickness in the first gear magnetic portion.
Preferably, first distance of second side is more than the second distance, and the difference of second side
Thickness of the value more than or equal to the second gear magnetic portion.
The utility model provides a kind of new magnetic speaker, by setting first gear magnetic portion and second gear magnetic portion,
While ensureing electromagnetic performance, disclosure satisfy that product every magnetic requirement, and then improve the acoustical behavior of magnetic speaker.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the utility model magnetic speaker；
Fig. 2 is the sectional view of the assembly structure diagram of the utility model magnetic speaker.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the utility model provides a kind of magnetic speaker 100, including vibrational system 1, magnetic circuit system
System 2, the fixed vibrational system 1 and the frame 3 of magnetic circuit system 2.
The voice coil loudspeaker voice coil 12 that vibrational system 1 includes vibrating diaphragm 11 and drives vibrating diaphragm 11 to vibrate.Vibrating diaphragm 11 includes top dome 112 and around ball
The ring-type ring 111 on top 112.In the present embodiment, top dome 112 is sticked in the bottom of ring 111.Voice coil loudspeaker voice coil 12 is connected to top dome
On 112, magnetic circuit system 2 is equipped with magnetic gap, and voice coil loudspeaker voice coil 12 is inserted into the magnetic gap, and voice coil loudspeaker voice coil 12 is in galvanization in magnetic gap
Stress, driving vibrating diaphragm vertically vibrate.
Magnetic circuit system includes magnetic bowl 23 and the magnet steel 21 being housed in magnetic bowl.Magnetic bowl 21 is assembled with frame 3 to be surrounded collecting and shakes
The receiving space of dynamic system 1 and magnet steel 21.Vibrational system 1 is fixed on side of the frame 3 away from magnetic bowl 23.Magnet steel 21 includes being located at
The main magnet steel 211 in center and the secondary magnet steel 212 set around main magnet steel 211, wherein, secondary magnet steel 212 can be a monoblock
Ring-type magnet steel, or multiple bar magnets set around main magnet steel 211.Specifically in the present embodiment, secondary magnet steel 212
Two are shared, respectively positioned at main 211 both sides of magnet steel, certainly, in selectable other embodiment, or along center pair
The multiple bar magnets claimed.
Further, magnetic circuit system 2 further includes the pole piece 22 being sticked on main magnet steel 211 and is sticked on secondary magnet steel 212
Upper clamp plate 24.Wherein pole piece 22 and upper clamp plate 24 are respectively positioned on magnetic circuit system close to the side of vibrating diaphragm 11.Pole piece 22 and upper clamp plate
24 be that permeability magnetic material is made, and for playing the role of magnetic conduction, converges magnetic field, improves the magnetic induction performance of product.
Upper clamp plate 24 includes the outer of the main part 241 for covering the cyclic structure of the secondary magnet steel 212 and main body 241
The first gear magnetic portion 242 that edge extends to remote vibrating diaphragm side bending.First gear magnetic portion 242 is arranged on the both sides of magnet steel 21, and
Set with 21 relative spacing of magnet steel, play the role of keeping off magnetic.First gear magnetic portion 242 both can be the turnup structure of a monoblock,
Can also be spaced multiple platy structures.Specifically in the present embodiment, 242, first gear magnetic portion is separately positioned on magnetic
Four platy structures of the surrounding of steel 21.
The second gear magnetic portion that magnetic bowl 23 includes the body of accommodating support magnet steel 21 and bending extends from body to vibrating diaphragm direction
231.There is the first distance d1 between first gear magnetic portion 242 and voice coil loudspeaker voice coil 12, have second between second gear magnetic portion 231 and voice coil loudspeaker voice coil 12
Distance d2, has the difference at least above zero between the first distance d1 and second distance d2.In the present embodiment, first gear magnetic
Portion 242 and second gear magnetic portion 231 are the first side 121 close to the side of pad rotating around the surrounding for being located at voice coil loudspeaker voice coil 12, voice coil loudspeaker voice coil 12, its
Remaining is the second side 122.On the first side 121, the first distance d1 is less than second distance d2, and above-mentioned difference is more than or equal to described
The thickness in first gear magnetic portion 242；On the second side 122, the first distance d1 is more than second distance d2, and upper on the second side 122
State the thickness that difference is greater than or equal to second gear magnetic portion 231.With reference to shown in Fig. 2, first gear magnetic portion 242 and second gear magnetic portion 231
Orthographic projection on magnet steel 21 is least partially overlapped, and first gear magnetic portion 242 and 231 throwing on magnet steel direction of second gear magnetic portion
Shadow covers magnet steel 11.In this way, the combination by first gear magnetic portion 242 and second gear magnetic portion 231, it is ensured that magnetic speaker
Every magnetic property, without in addition setting antifreeze plate.
In the utility model, frame 3 is integrated injection molding structure, and magnetic bowl 23, upper clamp plate 24 and frame 3 are molded integrally
Structure.I.e. the first gear magnetic portion 242 of upper clamp plate 24, the second gear magnetic portion 231 of magnetic bowl 23 are inserted into frame 3, in first gear magnetic portion
There is injected plastics material, in this way, can further increase the magnetism isolating effect of product between 242 and second gear magnetic portion 231.
Further, the utility model magnetic speaker further includes centring disk 4,4 one end of centring disk and 3 phase of frame
Even, one end is fixed on bottom of the voice coil loudspeaker voice coil 12 away from vibrating diaphragm.The bottom of voice coil loudspeaker voice coil 12 is connected with centring disk 4, top and 11 phase of vibrating diaphragm
Even, in this manner it is ensured that the stability of vibrational system vibration.In the present embodiment, centring disk 4 includes being separately positioned on sound
The spring leaf of two relative symmetries of both sides is enclosed, in selectable other embodiment, or the spring of a monoblock
Piece.Further, the pad 5 being electrically connected with centring disk 4 is provided with frame 3.Further, the utility model electromagnetism is raised one's voice
Device further includes the upper cover being arranged in frame.
The utility model magnetic speaker, by setting first gear magnetic portion and second gear magnetic portion, is ensureing electromagnetic performance
Meanwhile, it is capable to meet product every magnetic requirement, and then improve the acoustical behavior of magnetic speaker.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is,
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of magnetic speaker, including magnetic circuit system, vibrational system and the fixed vibrational system and the magnetic circuit system
Frame, the magnetic circuit system include magnetic bowl, are contained in the magnet steel of magnetic bowl and the upper clamp plate on magnet steel that is sticked, the magnetic bowl and institute
State frame and assemble the receiving space for surrounding and housing the vibrational system and the magnet steel, the vibrational system includes being fixed on described
The voice coil loudspeaker voice coil of vibrating diaphragm and the driving diaphragm oscillations sounding of the frame away from described magnetic bowl one end, the voice coil loudspeaker voice coil are suspended in the receipts
Hold in space, the upper clamp plate is fixed in the receiving space and close to the vibrating diaphragm, it is characterised in that the upper clamp plate bag
Include and be correspondingly arranged at the main part above the magnet steel and prolong from the main part outer edge to away from the bending of vibrating diaphragm side
The first gear magnetic portion stretched, the magnetic bowl include supporting the body of the magnet steel and extend from the body edges to vibrating diaphragm direction
Second gear magnetic portion, there is the first distance, the second gear magnetic portion and the sound between the first gear magnetic portion and the voice coil loudspeaker voice coil
There is second distance between circle, there is the difference at least above zero between first distance and the second distance.
2. magnetic speaker according to claim 1, it is characterised in that the first gear magnetic portion on the magnet steel just
The orthographic projection of projection and the second gear magnetic portion on the magnet steel is at least partly staggered.
3. magnetic speaker according to claim 1 or 2, it is characterised in that the first gear magnetic portion is on the magnet steel
Orthographic projection on the magnet steel of orthographic projection and the second gear magnetic portion it is least partially overlapped.
4. magnetic speaker according to claim 1, it is characterised in that the magnet steel includes being fixed on the master of the body
Magnet steel and it is sticked with the spaced secondary magnet steel of the main magnet steel, the main part of the upper clamp plate in the secondary magnet steel
On.
5. magnetic speaker according to claim 3, it is characterised in that the first gear magnetic portion is spaced multiple
Platy structure.
6. magnetic speaker according to claim 1, it is characterised in that the upper clamp plate and frame injection are integral
Structure.
7. magnetic speaker according to claim 5, it is characterised in that further include centring disk, the centring disk one
End is connected with the frame, and one end is fixed on side of the voice coil loudspeaker voice coil away from the vibrating diaphragm.
8. magnetic speaker according to claim 7, it is characterised in that be provided with the frame and the centring disk
The pad of electrical connection.
9. magnetic speaker according to claim 8, it is characterised in that the first gear magnetic portion and the second gear magnetic portion
Rotating around being located at the voice coil loudspeaker voice coil surrounding；The voice coil loudspeaker voice coil is the first side close to the side of the pad, remaining is the second side；Described
First distance of side is less than the second distance, and the difference is greater than or equal to the thickness in the first gear magnetic portion.
10. magnetic speaker according to claim 9, it is characterised in that first distance of second side is more than
The second distance, and the difference of second side is greater than or equal to the thickness in the second gear magnetic portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085973.5U CN207354593U (en) | 2017-08-28 | 2017-08-28 | Magnetic speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085973.5U CN207354593U (en) | 2017-08-28 | 2017-08-28 | Magnetic speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207354593U true CN207354593U (en) | 2018-05-11 |
Family
ID=62412850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085973.5U Expired - Fee Related CN207354593U (en) | 2017-08-28 | 2017-08-28 | Magnetic speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207354593U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062314A (en) * | 2018-08-14 | 2019-07-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group and its manufacturing method |
| WO2020140589A1 (en) * | 2018-12-31 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Micro sounding device |
| WO2021114121A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| WO2021134362A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2021174572A1 (en) * | 2020-03-05 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
| CN113573216A (en) * | 2020-04-29 | 2021-10-29 | 维沃移动通信有限公司 | Speaker and electronic equipment |
| WO2022110434A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2017
- 2017-08-28 CN CN201721085973.5U patent/CN207354593U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062314A (en) * | 2018-08-14 | 2019-07-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group and its manufacturing method |
| WO2020140589A1 (en) * | 2018-12-31 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Micro sounding device |
| WO2021114121A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| WO2021134362A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2021174572A1 (en) * | 2020-03-05 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker enclosure |
| CN113573216A (en) * | 2020-04-29 | 2021-10-29 | 维沃移动通信有限公司 | Speaker and electronic equipment |
| CN113573216B (en) * | 2020-04-29 | 2023-11-03 | 维沃移动通信有限公司 | Speaker and electronic equipment |
| WO2022110434A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20210828 |