CN209105448U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN209105448U CN209105448U CN201920856979.0U CN201920856979U CN209105448U CN 209105448 U CN209105448 U CN 209105448U CN 201920856979 U CN201920856979 U CN 201920856979U CN 209105448 U CN209105448 U CN 209105448U
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- magnetic
- circuit system
- pole core
- main magnet
- 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 relates to a kind of loudspeakers, it includes magnetic circuit system and vibrational system, the magnetic circuit system includes main pole core, main magnet steel and magnetic yoke, the main pole core and the main magnet steel, which are successively folded, sets the center for being fixed on the magnetic yoke, the side of the main magnet steel is equipped with magnetic gap, the vibrational system includes vibrating diaphragm and voice coil, the voice coil is suspended in the magnetic gap, the magnetic circuit system is equipped with the venthole through the main pole core and the main magnet steel center, the magnetic yoke is equipped with air channel, and the air channel is connected to the venthole and the magnetic gap.The utility model has the beneficial effects that: passing through the center setting venthole in main pole core and main magnet steel, and setting is connected to the air channel of venthole and magnetic gap in magnetic yoke, to increase the gas flowing when work of vibrational system intermediate region, the performance for improving loudspeaker solves the problems, such as heating when speaker operation.
Description
Technical field
The utility model relates to a kind of electroacoustic switch technology field more particularly to a kind of loudspeakers.
Background technique
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
The music function of high-quality, therefore, the loudspeaker for playing sound be widely applied Intelligent mobile equipment till now it
In.
In the related art, loudspeaker includes magnetic circuit system and vibrational system, magnetic circuit system include magnetic yoke, be set to it is described
Main magnet steel in magnetic yoke and the main pole core for being set to the main magnet steel surface, vibrational system include for generates the vibrating diaphragm of vibration with
The voice coil of diaphragm oscillations is driven, voice coil is arranged around main magnet steel, in this way, a clearance space is formed between vibrating diaphragm and main pole core,
When vibrating diaphragm high-frequency vibration, the air circulation in the void space is bad, influences the acoustical behavior of loudspeaker, moreover,
The heat that vibrational system generates also is difficult to distribute in time, causes temperature in the void space to increase, influences the physical property of vibrating diaphragm,
And then influence the acoustical behavior of loudspeaker.
Therefore, it is really necessary to provide a kind of new loudspeaker solution above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of loudspeakers, solve vibrating diaphragm and the master of loudspeaker in the related technology
The technical issues of void space inner air flow between pole piece is bad and easy heating.
In order to solve the above-mentioned technical problem, the utility model provides a kind of loudspeaker comprising magnetic circuit system and by institute
Magnetic circuit system driving is stated to generate the vibrational system of vibration, the magnetic circuit system includes main pole core, main magnet steel and magnetic yoke, described
Main pole core and the main magnet steel, which are successively folded, sets the center for being fixed on the magnetic yoke, and the side of the main magnet steel is equipped with magnetic gap, institute
The voice coil that vibrational system includes the vibrating diaphragm and the driving diaphragm oscillations above the magnetic circuit system is stated, the voice coil is separate
One end of the vibrating diaphragm is suspended in the magnetic gap, and the magnetic circuit system is equipped with to be run through from the vibrating diaphragm to the magnetic yoke direction
The venthole of the main pole core and the main magnet steel center, the magnetic yoke are equipped with the table from main magnet steel described in face away from institute
The surface direction for stating main magnet steel is recessed the air channel to be formed, and the air channel is connected to the venthole and the magnetic gap.
Preferably, the loudspeaker further includes frame, and the magnetic circuit system and the vibrational system are contained in the basin
In frame.
Preferably, the vibrational system further includes centring disk, and it is separate that described centring disk one end is fixedly arranged on the voice coil
One end of the vibrating diaphragm, the other end are fixedly arranged on the frame.
Preferably, the loudspeaker further includes two Air Filters, and two Air Filters are divided into the opposite of the frame
The lower surface at both ends.
Preferably, the magnetic circuit system further includes two secondary magnet steel and consequent pole core, and two secondary magnet steel are divided into described
The opposite sides of main magnet steel, the consequent pole core are attached on the secondary magnet steel.
Preferably, the quantity of the air channel is four, and four air channels are symmetrical about the center line of the magnetic yoke
Setting.
Preferably, the air channel is arranged along the diagonal line of the magnetic yoke.
The utility model has the beneficial effects that: by the center setting venthole in main pole core and main magnet steel, and in magnetic
The air channel of setting connection venthole and magnetic gap on yoke, to increase the gas stream when work of vibrational system intermediate region
It is dynamic, the performance of loudspeaker is improved, solves the problems, such as heating when speaker operation.
Detailed description of the invention
Fig. 1 is the stereogram exploded view of the utility model loudspeaker；
Fig. 2 is the cross-sectional view of the utility model loudspeaker；
Fig. 3 is the main view of the utility model magnetic yoke.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.Following embodiment is for illustrating
The utility model, but be not intended to limit the scope of the present invention.
It please refers to shown in Fig. 1 and 2, the utility model provides a kind of loudspeaker 100, including frame 1,2 and of magnetic circuit system
It is driven by the magnetic circuit system 2 to generate the vibrational system 3 of vibration, the magnetic circuit system 2 and the vibrational system 3 are contained in
In the frame 1, and the vibrational system 3 is fixedly arranged in the frame 1.
The magnetic circuit system 2 includes main pole core 21, main magnet steel 22, consequent pole core 23, secondary magnet steel 24 and magnetic yoke 25, the master
Pole piece 21 and the main magnet steel 22, which are successively folded, sets the center for being fixed on the magnetic yoke 25, and the side of the main magnet steel 22 is equipped between magnetic
Gap 26.The quantity of the pair magnet steel 24 is two, and two secondary magnet steel 24 are divided into the opposite sides of the main magnet steel 22,
The consequent pole core 23 is attached on the secondary magnet steel 24, and the gap between the main magnet steel 22 and the secondary magnet steel 24 is the magnetic
Gap 26.
The consequent pole core 23 is fixed on the frame 1, in preferred embodiments of the present invention, the consequent pole core 23
Integrated injection molding can be used with the frame 1.
The pair magnet steel 24 is arranged along the longitudinal direction of the main magnet steel 22, can make the secondary magnet steel as far as possible in this way
24 length accomplishes maximum, to promote the magnetic field strength of magnetic circuit system 2.
The vibrational system 3 includes the sound that vibrating diaphragm 31, the driving vibrating diaphragm 31 positioned at 2 top of magnetic circuit system vibrate
Circle 32, one end are fixedly arranged on the centring disk that the voice coil 32 is fixedly arranged on the frame 1 far from one end other end of the vibrating diaphragm 31
33 and it is set to the auxiliary vibrating diaphragm 34 of 33 lower section of the centring disk, the voice coil 32 is suspended far from one end of the vibrating diaphragm 31
In in the magnetic gap 26.
The magnetic circuit system 2, which is equipped with, runs through the main pole core 21 and the master from the vibrating diaphragm 31 to 25 direction of magnetic yoke
The venthole 27 in 22 center of magnet steel, the magnetic yoke 25 are equipped with the table from main magnet steel 22 described in face away from the main magnet steel 22
Surface direction be recessed the air channel 251 to be formed, the air channel 251 is connected to the venthole 27 and the magnetic gap 26.It is logical
Cross and the venthole 27 and the air channel 251 be set in the magnetic circuit system 2, can significantly improve the vibrating diaphragm 31 with it is described
Air circulation problem between main pole core 21 in gap, while additionally aiding the heating solved the problems, such as in the gap.
In conjunction with shown in Fig. 3, in specific embodiment of the present utility model, the quantity of the air channel 251 is four,
Center line symmetrical setting of four air channels 251 about the magnetic yoke 25, pair of the air channel 251 along the magnetic yoke 25
Linea angulata setting, in this way, can ensure that the air between the vibrating diaphragm 31 and the main pole core 21 in gap uniformly flows out, so that institute
State the uniform force in vibration of vibrating diaphragm 31.
The loudspeaker 100 further includes two Air Filters 4, and two Air Filters 4 are divided into opposite the two of the frame 1
The lower surface at end.
The utility model has the beneficial effects that: by the center setting venthole in main pole core and main magnet steel, and in magnetic
The air channel of setting connection venthole and magnetic gap on yoke, to increase the gas stream when work of vibrational system intermediate region
It is dynamic, the performance of loudspeaker is improved, solves the problems, such as heating when speaker operation.
Above-described is only the better embodiment of the utility model, it should be noted here that for the common of this field
For technical staff, without departing from the concept of the present invention, improvement can also be made, but these belong to this
The protection scope of utility model.
Claims (7)
1. a kind of loudspeaker comprising magnetic circuit system and the vibrational system that vibration is generated by magnetic circuit system driving, it is described
Magnetic circuit system includes main pole core, main magnet steel and magnetic yoke, and the main pole core and the main magnet steel, which successively are folded to set, is fixed on the magnetic
The center of yoke, the side of the main magnet steel are equipped with magnetic gap, and the vibrational system includes the vibration above the magnetic circuit system
Film and the voice coil for driving the diaphragm oscillations, the voice coil are suspended in the magnetic gap far from one end of the vibrating diaphragm, special
Sign is that the magnetic circuit system is equipped with from the vibrating diaphragm to the magnetic yoke direction through the main pole core and the main magnet steel center
Venthole, the magnetic yoke, which is equipped with from the table of main magnet steel described in face, to be recessed to be formed away from the surface direction of the main magnet steel
Air channel, the air channel is connected to the venthole and the magnetic gap.
2. loudspeaker according to claim 1, which is characterized in that the loudspeaker further includes frame, the magnetic circuit system
It is contained in the frame with the vibrational system.
3. loudspeaker according to claim 2, which is characterized in that the vibrational system further includes centring disk, described fixed
Heart branch piece one end is fixedly arranged on the one end of the voice coil far from the vibrating diaphragm, and the other end is fixedly arranged on the frame.
4. loudspeaker according to claim 2, which is characterized in that the loudspeaker further includes two Air Filters, two institutes
State the lower surface that Air Filter is divided into the opposite end of the frame.
5. loudspeaker according to claim 3, which is characterized in that the magnetic circuit system further includes two secondary magnet steel and consequent pole
Core, two secondary magnet steel are divided into the opposite sides of the main magnet steel, and the consequent pole core is attached on the secondary magnet steel.
6. loudspeaker according to claim 1, which is characterized in that the quantity of the air channel is four, and four described logical
Center line symmetrical setting of the air drain about the magnetic yoke.
7. loudspeaker according to claim 6, which is characterized in that the air channel is arranged along the diagonal line of the magnetic yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856979.0U CN209105448U (en) | 2019-06-10 | 2019-06-10 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920856979.0U CN209105448U (en) | 2019-06-10 | 2019-06-10 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209105448U true CN209105448U (en) | 2019-07-12 |
Family
ID=67164088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920856979.0U Expired - Fee Related CN209105448U (en) | 2019-06-10 | 2019-06-10 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209105448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021168937A1 (en) * | 2020-02-25 | 2021-09-02 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2022000519A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2019
- 2019-06-10 CN CN201920856979.0U patent/CN209105448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021168937A1 (en) * | 2020-02-25 | 2021-09-02 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2022000519A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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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: 20190712 Termination date: 20210610 |