CN208174985U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN208174985U CN208174985U CN201820009650.6U CN201820009650U CN208174985U CN 208174985 U CN208174985 U CN 208174985U CN 201820009650 U CN201820009650 U CN 201820009650U CN 208174985 U CN208174985 U CN 208174985U
- Authority
- CN
- China
- Prior art keywords
- magnetic yoke
- magnetic
- magnet steel
- damping hole
- vibrating diaphragm
- 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
Links
- 238000013016 damping Methods 0.000 claims abstract description 34
- 238000005530 etching Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000005452 bending Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of loudspeaker, the shell of magnetic circuit system and receiving magnetic circuit system and vibrational system including vibrational system and driving vibrational system with vibrating diaphragm, shell includes the front cover being oppositely arranged with vibrating diaphragm and the frame that assembles with front cover, magnetic circuit system includes the magnetic yoke being oppositely arranged with vibrating diaphragm, vibrating diaphragm and magnetic yoke are separately fixed at the opposite end of frame and surround inner cavity with frame, magnetic yoke includes the magnetic yoke bottom plate that dew is set to frame, etching forms damping hole on magnetic yoke bottom plate, damping hole is connected to inner cavity and external environment to adjust the vapour lock between inner cavity and external environment.Compared with the relevant technologies, loudspeaker provided by the utility model, damping hole is formed by etching on magnetic yoke bottom plate, damping hole is connected to inner cavity and external environment to adjust the vapour lock between inner cavity and external environment, to not have to that breathable barrier is arranged in the bottom surface of magnetic yoke, the reliability for improving loudspeaker reduces the production cost of loudspeaker.
Description
Technical field
The utility model relates to electroacoustic transduction 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.
The loudspeaker of the relevant technologies, magnetic circuit system and receiving including vibrational system and the driving vibrational system
The shell of the magnetic circuit system and the vibrational system, the shell includes front cover and the frame that assembles with the front cover, described
Magnetic circuit system and the vibrational system and the frame surround inner cavity, and the magnetic circuit system is equipped with magnetic yoke, in the magnetic yoke
Breathable barrier is arranged in bottom surface, to adjust the vapour lock between the inner cavity and external environment by the breathable barrier.
However, the breathable barrier is bonded in the bottom surface of the magnetic yoke, the unbearable higher temperature of glue by glue
And higher levels of humidity, there is the hidden danger that falls off after feasibility Experiment, the equipment of the breathable barrier is installed in use also
There can be integrity problem.Meanwhile the manufacture of the breathable barrier itself needs cost, installs the breathable barrier needs
Tooling and fixture, it is also desirable to human cost.
Therefore, a kind of new loudspeaker solution above-mentioned technical problem must be provided by having in fact.
Utility model content
The technical issues of the utility model solves is to provide a kind of loudspeaker, can not have to ventilative in the setting of the bottom surface of magnetic yoke
Separator saves the cost of production and assembly breathable barrier to eliminate the risk that breathable barrier falls off.
In order to solve the above technical problems, the utility model provides a kind of loudspeaker, including with vibrating diaphragm vibrational system and
Drive the magnetic circuit system of the vibrational system and the shell of the receiving magnetic circuit system and the vibrational system, the shell packet
The front cover being oppositely arranged with the vibrating diaphragm and the frame assembled with the front cover are included, the magnetic circuit system includes and the vibrating diaphragm phase
To the magnetic yoke of setting, the vibrating diaphragm and the magnetic yoke are separately fixed at the opposite end of the frame and surround with the frame interior
Chamber, the magnetic yoke include the magnetic yoke bottom plate that dew is set to the frame, and etching forms damping hole, the damping on the magnetic yoke bottom plate
Hole is connected to the inner cavity and external environment to adjust the vapour lock between the inner cavity and external environment.
Preferably, the magnetic yoke further include from the magnetic yoke bottom edge towards the curved bending part in vibrating diaphragm direction,
The bending part is embedded in the frame.
Preferably, the magnetic circuit system further includes the magnet steel posted in the magnetic yoke and posts the pole on the magnet steel
Core.
Preferably, the magnet steel includes being fixed on the main magnet steel of magnetic yoke bottom plate central location and between the main magnet steel
Magnetic gap is formed between the secondary magnet steel of setting, the main magnet steel and the secondary magnet steel, at least partly described damping hole face institute
State magnetic gap setting.
Preferably, the damping hole has multiple, and multiple damping holes are symmetrically set about the center line of the magnetic yoke bottom plate
It sets.
Preferably, the vibrational system further includes the voice coil for driving the diaphragm oscillations sounding, and the voice coil is far from described
One end of vibrating diaphragm is inserted into the magnetic gap.
Preferably, the voice coil is track type, and the pair magnet steel is provided only on the long axis side of the voice coil, at least partly institute
It is corresponding with the short axle side of the voice coil to state damping hole.
The voice coil is track type, and the pair magnet steel is provided only on the long axis side of the voice coil, at least partly described damping
Hole is corresponding with the short axle side of the voice coil.
Preferably, the aperture of the damping hole is 0.005-0.3mm.
Compared with the relevant technologies, loudspeaker provided by the utility model is formed by etching on the magnetic yoke bottom plate
Damping hole, the damping hole are connected to the inner cavity and external environment to adjust the vapour lock between the inner cavity and external environment, from
Breathable barrier is arranged in bottom surface without being used in the magnetic yoke, improves the reliability of the loudspeaker, reduces the loudspeaking
The production cost of device.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, and the drawings in the following description are merely some embodiments of the present invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing, wherein：
Fig. 1 is the bottom schematic view of the utility model loudspeaker；
The cross-sectional view of Fig. 2 line A-A along Fig. 1；
Fig. 3 is the explosive view of the utility model loudspeaker.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Please refer to Fig. 1, Fig. 2 and Fig. 3, a kind of loudspeaker 100, the magnetic including vibrational system 1 and the driving vibrational system 1
The shell 3 of road system 2 and the receiving magnetic circuit system 2 and the vibrational system 1.
The vibrational system 1 includes the voice coil 12 of vibrating diaphragm 11, driving 11 vibration sounding of vibrating diaphragm, and the voice coil 12 is to run
Road shape.
The magnetic circuit system 2 includes the magnetic yoke 21 being oppositely arranged with the vibrating diaphragm 11, the magnetic posted in the magnetic yoke 21
Steel 22 and post the pole piece 23 on the magnet steel 22.
The shell 3 includes the front cover 31 being oppositely arranged with the vibrating diaphragm 11 and the frame 32 assembled with the front cover 31,
The vibrating diaphragm 11 is separately fixed at the opposite end of the frame 32 and surrounds inner cavity 4 with the frame 32 with the magnetic yoke 21.
The magnetic yoke 21 includes the magnetic yoke bottom plate 211 that dew is set to the frame 32, etches and is formed on the magnetic yoke bottom plate 211
Multiple damping holes 2111, center line symmetrical setting of multiple damping holes 2111 about the magnetic yoke bottom plate 211, the damping
The aperture in hole 2111 is 0.005-0.3mm, and the damping hole 2111 is connected to the inner cavity 4 and external environment to adjust the inner cavity
Vapour lock between 4 and external environment.
The damping hole 2111 is obtained by etching in the magnetic yoke 21, and manufacturing process is simple.
Due to that can be adjusted by the damping hole 2111 between 100 external environment of the inner cavity 4 and the loudspeaker
Vapour lock save and attach ventilative isolation on the surface of the magnetic yoke 21 so that the magnetic yoke 21 plays the function of damping piece
Part.
In the prior art, it needs to produce the breathable barrier, the breathable barrier is installed and needs tooling and fixture, pacify
It fills the breathable barrier to be also required to manually, the utility model loudspeaker 100 eliminates the breathable barrier, saves manufacture
The cost of the breathable barrier also eliminates the tooling for installing the breathable barrier, fixture and artificial, improves described raise
The reliability of sound device 100 reduces the production cost of the loudspeaker 100.
The magnet steel 22 include be fixed on 211 central location of magnetic yoke bottom plate main magnet steel 221 and with the main magnet steel
221 spaced secondary magnet steel 222, the pair magnet steel 222 are provided only on the long axis side of the voice coil 12, the main magnet steel 221
Magnetic gap 24 is formed between the secondary magnet steel 222, the voice coil 12 is inserted into the magnetic gap far from one end of the vibrating diaphragm 11
In 24, at least partly described damping hole 2111 is corresponding with the short axle side of the voice coil 12.
In another embodiment, at least partly described damping hole 2111 is corresponding with the long axis side of the voice coil 12.
In another embodiment, magnetic gap 24 described at least partly described 2111 face of damping hole is arranged, to be connected to
The magnetic gap 24 and external environment, and then adjust the vapour lock between the magnetic gap 24 and external environment.
In another embodiment, for preferably fixed magnetic yoke 21, the magnetic yoke 21 further includes from the magnetic yoke bottom plate
211 edges can be embedded in the frame 32 towards the curved bending part (not shown) in 11 direction of vibrating diaphragm, the bending part.
Compared with the relevant technologies, loudspeaker 100 provided by the utility model, by being etched on the magnetic yoke bottom plate 211
The damping hole 2111 is formed, the damping hole 2111 is connected to the inner cavity 4 and external environment to adjust the inner cavity 4 and outside
Vapour lock between environment improves the loudspeaker 100 to not have to that breathable barrier is arranged in the bottom surface of the magnetic yoke 21
Reliability reduces the production cost of the loudspeaker 100.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (9)
1. a kind of loudspeaker, magnetic circuit system and collecting post including vibrational system and the driving vibrational system with vibrating diaphragm
State the shell of magnetic circuit system and the vibrational system, the shell include the front cover being oppositely arranged with the vibrating diaphragm and with it is described before
The frame assembled is covered, the magnetic circuit system includes the magnetic yoke being oppositely arranged with the vibrating diaphragm, and the vibrating diaphragm and the magnetic yoke are distinguished
It is fixed on the opposite end of the frame and surrounds inner cavity with the frame, the magnetic yoke includes the magnetic yoke that dew is set to the frame
Bottom plate, which is characterized in that etching forms damping hole on the magnetic yoke bottom plate, and the damping hole is connected to the inner cavity and external environment
To adjust the vapour lock between the inner cavity and external environment.
2. loudspeaker according to claim 1, which is characterized in that the magnetic yoke further includes from magnetic yoke bottom edge court
To the curved bending part in vibrating diaphragm direction, the bending part is embedded in the frame.
3. loudspeaker according to claim 1, which is characterized in that the magnetic circuit system further includes posting in the magnetic yoke
Magnet steel and post the pole piece on the magnet steel.
4. loudspeaker according to claim 3, which is characterized in that the magnet steel includes being fixed on the magnetic yoke bottom plate center
The main magnet steel of position and with the spaced secondary magnet steel of the main magnet steel, formed between magnetic between the main magnet steel and the secondary magnet steel
Gap, the setting of magnetic gap described in at least partly described damping hole face.
5. loudspeaker according to claim 4, which is characterized in that the damping hole has multiple, multiple damping holes passes
In the center line symmetrical setting of the magnetic yoke bottom plate.
6. loudspeaker according to claim 4, which is characterized in that the vibrational system further includes driving the diaphragm oscillations
The voice coil of sounding, the voice coil are inserted into the magnetic gap far from one end of the vibrating diaphragm.
7. loudspeaker according to claim 6, which is characterized in that the voice coil is track type, and the pair magnet steel is only arranged
On the long axis side of the voice coil, at least partly described damping hole is corresponding with the short axle side of the voice coil.
8. loudspeaker according to claim 6, which is characterized in that the voice coil is track type, and the pair magnet steel is only arranged
On the short axle side of the voice coil, at least partly described damping hole is corresponding with the long axis side of the voice coil.
9. loudspeaker according to claim 1, which is characterized in that the aperture of the damping hole is 0.005-0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009650.6U CN208174985U (en) | 2018-01-04 | 2018-01-04 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009650.6U CN208174985U (en) | 2018-01-04 | 2018-01-04 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208174985U true CN208174985U (en) | 2018-11-30 |
Family
ID=64387026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820009650.6U Expired - Fee Related CN208174985U (en) | 2018-01-04 | 2018-01-04 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208174985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134312A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Sound production apparatus |
| WO2021000155A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
-
2018
- 2018-01-04 CN CN201820009650.6U patent/CN208174985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134312A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Sound production apparatus |
| WO2021000155A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209526874U (en) | Loudspeaker | |
| CN209659576U (en) | Microspeaker structure | |
| JPH0450718Y2 (en) | ||
| EP3637797A1 (en) | Sound producing device | |
| KR200455084Y1 (en) | Multifunction micro speaker | |
| US20170048622A1 (en) | Speaker | |
| TW201218788A (en) | Micro speaker having linear vibration structure and method of making the same | |
| WO2020140544A1 (en) | Sound generation device | |
| CN101931837A (en) | Bone conduction and air conduction vibrator and earphone thereof | |
| US7899202B2 (en) | Loudspeaker with cone-coupled damper | |
| KR101119495B1 (en) | Magnet plate and base frame structure of flat type speaker | |
| CN109547898A (en) | Microphone device | |
| CN208174985U (en) | Loudspeaker | |
| CN104822111A (en) | Loudspeaker module | |
| CN209448889U (en) | Microphone device | |
| JP2019514299A (en) | Noise shielded ear set and method of manufacturing the same | |
| CN205283804U (en) | Loudspeaker module group | |
| CN107682792B (en) | Sound production device | |
| CN208924471U (en) | Microphone device | |
| CN106792301B (en) | Telephone receiver | |
| CN209659603U (en) | Microphone device | |
| WO2020125169A1 (en) | Sound producing device | |
| CN204598258U (en) | Multiple sound unit earphone | |
| CN207354592U (en) | Loudspeaker module | |
| CN109121051A (en) | Microphone device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |