CN207665204U - A kind of loud speaker - Google Patents
A kind of loud speaker Download PDFInfo
- Publication number
- CN207665204U CN207665204U CN201721255809.4U CN201721255809U CN207665204U CN 207665204 U CN207665204 U CN 207665204U CN 201721255809 U CN201721255809 U CN 201721255809U CN 207665204 U CN207665204 U CN 207665204U
- Authority
- CN
- China
- Prior art keywords
- center
- magnet
- hole
- loud speaker
- groove
- 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.)
- Active
Links
Abstract
The utility model provides a kind of loud speaker, including center pole piece, and the center pole on piece is equipped with the first groove or first through hole.With the above mentioned technical proposal, compared with prior art, the utility model is optimized by the internal cavity between vibrational system and magnetic circuit system, make full use of internal cavity inner space, increase chamber portions to improve the equivalent Cis of loud speaker, low frequency performance and acoustical quality are promoted, and the reliability surplus and transfer efficiency of loud speaker will not be adversely affected.
Description
Technical field
The utility model is related to technical field of acoustics, specifically, being to be related to a kind of loud speaker.
Background technology
The application of the electronic products such as mobile phone, tablet, computer in people's daily life is increasingly extensive, to being applied to these electricity
Frequency response performance, the sound quality of the loud speaker of sub- product require also higher and higher.Loud speaker is as converting electrical energy into the common of acoustic energy
Electro-acoustic transducer device plays indispensable role in sound place system.Loud speaker is a most weak device in systems
Part, and for sound puts effect, it is a most important component again.
Promotion of the existing loud speaker for low frequency sound quality, it is pliable or increase vibrational system quality using vibrational system is improved
Technical solution, raising vibrational system is pliable, and vibrating diaphragm can be made too thin, and reliability surplus reduces；Increase vibrational system quality, can make to raise
The electroacoustic transformation efficiency of sound device reduces.All have an adverse effect to loud speaker.
Therefore, how while ensureing audio, make the performance of loud speaker, reliability that can also meet the requirements, become urgently
It solves the problems, such as.
Utility model content
The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, provide a kind of loud speaker, low frequency
Energy and acoustical quality are good, reliability surplus and high conversion efficiency.
The purpose of this utility model is reached by following technical measures：
A kind of loud speaker, including center pole piece, the center pole on piece are equipped with the first groove or first through hole.
As an improvement：First groove or first through hole are set to center pole piece centre.
As an improvement：The shape of first groove or first through hole is rectangle, circle, ellipse, triangle, more
Side shape or circular ring shape.
As an improvement：The quantity of first groove or first through hole is one or more.
As an improvement：The center pole piece is connected with center magnet, the center magnet be equipped with the second groove or
Second through-hole, second groove or the second through-hole are connected to the first groove or first through hole.
As an improvement：Second groove or the second through-hole are set to center magnet centre.
As an improvement：The shape of second groove or the second through-hole is rectangle, circle, ellipse, triangle, more
Side shape or circular ring shape.
As an improvement：The quantity of second groove or the second through-hole is one or more.
As an improvement：Side of the center magnet far from center pole piece is connected with magnetic cover, and the magnetic cover is equipped with
Side magnet, the pole piece when side of the magnet far from magnetic cover is equipped with, magnetic gap is formed between the center magnet and side magnet,
Voice coil is equipped in the magnetic gap.
As an improvement：The shape of the center magnet is rectangle, and the quantity of the side magnet is four, the side magnetic
Body is strip, and a side of every side magnet and center magnet is correspondingly arranged.
By adopting the above-described technical solution, compared with prior art, the utility model passes through to vibrational system and magnetic circuit
Internal cavity between system optimizes, and makes full use of internal cavity inner space, increases chamber portions and is raised to improve
The equivalent Cis of sound device promotes low frequency performance and acoustical quality, and will not be made to the reliability surplus and transfer efficiency of loud speaker
At adverse effect.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Attached drawing 1 is a kind of decomposition texture schematic diagram of loud speaker of the utility model in embodiment 1.
Attached drawing 2 is a kind of cross-sectional view of loud speaker of the utility model in embodiment 1.
Attached drawing 3 is a kind of dimensional structure diagram of loud speaker of the utility model in embodiment 1.
Attached drawing 4 is a kind of decomposition texture schematic diagram of loud speaker of the utility model in embodiment 2.
Attached drawing 5 is a kind of cross-sectional view of loud speaker of the utility model in embodiment 2.
Attached drawing 6 is a kind of decomposition texture schematic diagram of loud speaker of the utility model in embodiment 3.
Attached drawing 7 is a kind of cross-sectional view of loud speaker of the utility model in embodiment 3.
Attached drawing 8 is a kind of decomposition texture schematic diagram of loud speaker of the utility model in embodiment 4.
Attached drawing 9 is a kind of cross-sectional view of loud speaker of the utility model in embodiment 4.
Attached drawing 10 is the structural schematic diagram of venthole in embodiment 4.
In figure：1- voice coils；The sides 2- pole piece；The centers 3- pole piece；4- center magnets；5- center magnetic path systems；6- magnetic covers；7- magnetic
Gap；The first grooves of 8-；The sides 9- magnet；The sides 10- magnetic circuit system；11- ventholes；12- first through hole；The second grooves of 13-；14-
Second through-hole.
Specific implementation mode
Embodiment 1：As shown in attached drawing 1 to 3, a kind of loud speaker, including vibrational system and magnetic circuit system.
Vibrational system, including voice coil 1 and vibrating diaphragm, after current signal is passed through voice coil 1, the vibration of voice coil 1 drives diaphragm oscillations.
Magnetic circuit system, including center magnetic path system 5 and side magnetic circuit system 10, center magnetic path system 5 and side magnetic circuit system 10
It is set on rectangle magnetic cover 6.Center magnetic path system 5 is set to 10 inside of side magnetic circuit system, center magnetic path system 5 and side magnetic circuit system
Magnetic gap 7 is formed between system 10, voice coil 1 is set in magnetic gap 7.Internal cavity is formed between vibrating diaphragm and center magnetic path system 5.
Specifically, center magnetic path system 5 includes center magnet 4 and center pole piece 3, the shape of center magnet 4 is rectangle, in
The shape of heart pole piece 3 is rectangle, and center magnet 4 is set between center pole piece 3 and magnetic cover 6.Center magnet 4 is Nian Jie with magnetic cover 6,
Center pole piece 3 is Nian Jie with center magnet 4.
Center pole piece 3 is set close to the side of vibrational system there are one first through hole 12, and first through hole 12 is set to center pole
The shape in 3 centre of piece, first through hole 12 is rectangle.
Center magnet 4 is set close to the side of center pole piece 3 there are one the second through-hole 14, and the second through-hole 14 is set to center magnetic
The shape in 4 centre of body, the second through-hole 14 is rectangle.
Second through-hole 14 is connected to first through hole 12, and the two together constitutes cavity, and cavity increases the sky of internal cavity
Between.
Specifically, magnet 9 and side pole piece 2 when magnetic circuit system 10 includes four, the shape of four side magnets 9 is strip
Shape, four side magnets 9 are arranged around center magnet 4, and a side of every side magnet 9 and center magnet 4 is correspondingly arranged.Bian Ji
Piece 2 is cyclic structure.Four when magnet 9 is set between pole piece 2 and magnetic cover 6.Side magnet 9 is Nian Jie with magnetic cover 6, side pole piece
2 is Nian Jie with side magnet 9.
Above-mentioned center magnet 4, side magnet 9 are made of magnet or magnet steel.
Embodiment 2：As shown in attached drawing 4,5, a kind of loud speaker, including vibrational system and magnetic circuit system.
Vibrational system, including voice coil 1 and vibrating diaphragm, after current signal is passed through voice coil 1, the vibration of voice coil 1 drives diaphragm oscillations.
Magnetic circuit system, including center magnetic path system 5 and side magnetic circuit system 10, center magnetic path system 5 and side magnetic circuit system 10
It is set on rectangle magnetic cover 6.Center magnetic path system 5 is set to 10 inside of side magnetic circuit system, center magnetic path system 5 and side magnetic circuit system
Magnetic gap 7 is formed between system 10, voice coil 1 is set in magnetic gap 7.Internal cavity is formed between vibrating diaphragm and center magnetic path system 5.
Specifically, center magnetic path system 5 includes center magnet 4 and center pole piece 3, the shape of center magnet 4 is rectangle, in
The shape of heart pole piece 3 is rectangle, and center magnet 4 is set between center pole piece 3 and magnetic cover 6.Center magnet 4 is Nian Jie with magnetic cover 6,
Center pole piece 3 is Nian Jie with center magnet 4.
Center pole piece 3 is set close to the side of vibrational system there are one first through hole 12, and first through hole 12 is set to center pole
The shape in 3 centre of piece, first through hole 12 is ellipse.
First through hole 12 constitutes cavity, and cavity increases the space of internal cavity.
Specifically, magnet 9 and side pole piece 2 when magnetic circuit system 10 includes four, the shape of four side magnets 9 is strip
Shape, four side magnets 9 are arranged around center magnet 4, and a side of every side magnet 9 and center magnet 4 is correspondingly arranged.Bian Ji
Piece 2 is cyclic structure.Four when magnet 9 is set between pole piece 2 and magnetic cover 6.Side magnet 9 is Nian Jie with magnetic cover 6, side pole piece
2 is Nian Jie with side magnet 9.
Above-mentioned center magnet 4, side magnet 9 are made of magnet or magnet steel.
Embodiment 3：As shown in Figures 6, 7, a kind of loud speaker, including vibrational system and magnetic circuit system.
Vibrational system, including voice coil 1 and vibrating diaphragm, after current signal is passed through voice coil 1, the vibration of voice coil 1 drives diaphragm oscillations.
Magnetic circuit system, including center magnetic path system 5 and side magnetic circuit system 10, center magnetic path system 5 and side magnetic circuit system 10
It is set on rectangle magnetic cover 6.Center magnetic path system 5 is set to 10 inside of side magnetic circuit system, center magnetic path system 5 and side magnetic circuit system
Magnetic gap 7 is formed between system 10, voice coil 1 is set in magnetic gap 7.Internal cavity is formed between vibrating diaphragm and center magnetic path system 5.
Specifically, center magnetic path system 5 includes center magnet 4 and center pole piece 3, the shape of center magnet 4 is rectangle, in
The shape of heart pole piece 3 is rectangle, and center magnet 4 is set between center pole piece 3 and magnetic cover 6.Center magnet 4 is Nian Jie with magnetic cover 6,
Center pole piece 3 is Nian Jie with center magnet 4.
Center pole piece 3 is set close to the side of vibrational system there are one first through hole 12, and first through hole 12 is set to center pole
The shape in 3 centre of piece, first through hole 12 is circle.
Center magnet 4 is set close to the side of center pole piece 3 there are one the second groove 13, and the second groove 13 is set to center magnetic
The shape in 4 centre of body, the second groove 13 is circle.
Second groove 13 is connected to first through hole 12, and the two together constitutes cavity, and cavity increases the sky of internal cavity
Between.
Specifically, magnet 9 and side pole piece 2 when magnetic circuit system 10 includes four, the shape of four side magnets 9 is strip
Shape, four side magnets 9 are arranged around center magnet 4, and a side of every side magnet 9 and center magnet 4 is correspondingly arranged.Bian Ji
Piece 2 is cyclic structure.Four when magnet 9 is set between pole piece 2 and magnetic cover 6.Side magnet 9 is Nian Jie with magnetic cover 6, side pole piece
2 is Nian Jie with side magnet 9.
Above-mentioned center magnet 4, side magnet 9 are made of magnet or magnet steel.
Embodiment 4：As shown in Figures 8 and 9, a kind of loud speaker, including vibrational system and magnetic circuit system.
Vibrational system, including voice coil 1 and vibrating diaphragm, after current signal is passed through voice coil 1, the vibration of voice coil 1 drives diaphragm oscillations.
Magnetic circuit system, including center magnetic path system 5 and side magnetic circuit system 10, center magnetic path system 5 and side magnetic circuit system 10
It is set on rectangle magnetic cover 6.Center magnetic path system 5 is set to 10 inside of side magnetic circuit system, center magnetic path system 5 and side magnetic circuit system
Magnetic gap 7 is formed between system 10, voice coil 1 is set in magnetic gap 7.Internal cavity is formed between vibrating diaphragm and center magnetic path system 5.
Specifically, center magnetic path system 5 includes center magnet 4 and center pole piece 3, the shape of center magnet 4 is rectangle, in
The shape of heart pole piece 3 is rectangle, and center magnet 4 is set between center pole piece 3 and magnetic cover 6.Center magnet 4 is Nian Jie with magnetic cover 6,
Center pole piece 3 is Nian Jie with center magnet 4.
Center pole piece 3 is set close to the side of vibrational system there are one the first groove 8, and first through hole 12 is set to center pole piece
The shape in 3 centres, the first groove 8 is rectangle.
First groove 8 constitutes cavity, and cavity increases the space of internal cavity.
Certainly, as shown in Fig. 10, in this embodiment, second groove 13 or the second can also be set on center magnet 4
Through-hole 14, is connected with venthole 11 between the second groove 13 or the second through-hole 14 and the first groove 8, the setting of 11 one end of venthole exists
On first groove, 8 side wall, the centrally disposed pole piece 3 of the other end is close to the side of center magnet 4, the second groove 13 or the second through-hole
14 and first groove 8 constitute cavity.
Specifically, magnet 9 and side pole piece 2 when magnetic circuit system 10 includes four, the shape of four side magnets 9 is strip
Shape, four side magnets 9 are arranged around center magnet 4, and a side of every side magnet 9 and center magnet 4 is correspondingly arranged.Bian Ji
Piece 2 is cyclic structure.Four when magnet 9 is set between pole piece 2 and magnetic cover 6.Side magnet 9 is Nian Jie with magnetic cover 6, side pole piece
2 is Nian Jie with side magnet 9.
Above-mentioned center magnet 4, side magnet 9 are made of magnet or magnet steel.
It should be noted that the first groove 8 or first through hole 12 on center pole piece 3 can also be set to center pole piece 3
The quantity at other positions close to vibrational system side, the first groove 8 or first through hole 12 may be two, three or more
A, the shape of the first groove 8 or first through hole 12 may be triangle, polygon or circular ring shape.Second groove 13 or the second
Through-hole 14 can also be set to other positions of center magnet 4, the quantity of the second groove 13 or the second through-hole 14 may be two,
Three or more, the shape of the second groove 13 or the second through-hole 14 may be triangle, polygon or circular ring shape.
Several embodiments of the utility model are described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (7)
1. a kind of loud speaker, including center pole piece（3）, it is characterised in that：The center pole piece（3）It is equipped with the first groove（8）
Or first through hole（12）;
The center pole piece（3）It is connected with center magnet（4）, the center magnet（4）It is equipped with the second groove（13）Or second
Through-hole（14）, second groove（13）Or second through-hole（14）With the first groove（8）Or first through hole（12）Connection；
The center magnet（4）Far from center pole piece（3）Side be connected with magnetic cover（6）, the magnetic cover（6）It is equipped with side magnet
（9）, the center magnet（4）Shape be rectangle, the side magnet（9）Quantity be four, the side magnet（9）For strip
Shape, every side magnet（9）With center magnet（4）A side be correspondingly arranged.
2. loud speaker according to claim 1, it is characterised in that：First groove（8）Or first through hole（12）Setting
In center pole piece（3）Centre.
3. loud speaker according to claim 1, it is characterised in that：First groove（8）Or first through hole（12）Shape
Shape is rectangle, circle, ellipse, triangle, polygon or circular ring shape.
4. loud speaker according to claim 1, it is characterised in that：First groove（8）Or first through hole（12）Number
Amount is one or more.
5. loud speaker according to claim 1, it is characterised in that：Second groove（13）Or second through-hole（14）Setting
In center magnet（4）Centre.
6. loud speaker according to claim 1, it is characterised in that：Second groove（13）Or second through-hole（14）Shape
Shape is rectangle, circle, ellipse, triangle, polygon or circular ring shape.
7. loud speaker according to claim 1, it is characterised in that：Second groove（13）Or second through-hole（14）Number
Amount is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721255809.4U CN207665204U (en) | 2017-09-28 | 2017-09-28 | A kind of loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721255809.4U CN207665204U (en) | 2017-09-28 | 2017-09-28 | A kind of loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207665204U true CN207665204U (en) | 2018-07-27 |
Family
ID=62935978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721255809.4U Active CN207665204U (en) | 2017-09-28 | 2017-09-28 | A kind of loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207665204U (en) |
-
2017
- 2017-09-28 CN CN201721255809.4U patent/CN207665204U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020140454A1 (en) | Speaker device | |
| CN206894886U (en) | Minitype acoustic generator | |
| CN204425650U (en) | Piezoelectric ceramic double-frequency earphone structure | |
| CN216775010U (en) | Sound production device and electronic equipment | |
| CN109195077B (en) | Loudspeaker | |
| CN104168527A (en) | Miniature loudspeaker | |
| CN206365029U (en) | Loudspeaker | |
| WO2020140539A1 (en) | Speaker | |
| CN111182426A (en) | Bone conduction speaker and compound speaker | |
| US20100296690A1 (en) | Electro-acoustic transducer | |
| CN206402399U (en) | Double frequency earphone | |
| CN101841760A (en) | Miniature acoustical generator | |
| US20120008810A1 (en) | Speaker box | |
| CN113519170A (en) | Speaker and electronic equipment | |
| CN218041710U (en) | Earphone speaker that space utilization is high | |
| CN207665204U (en) | A kind of loud speaker | |
| CN218243813U (en) | Bone conduction speaker oscillator and bone conduction earphone | |
| CN206611571U (en) | Loudspeaker | |
| WO2023051005A1 (en) | Coil-iron loudspeaker assembly and earphone | |
| CN202514066U (en) | Multifunctional mini-size loudspeaker | |
| CN104581577A (en) | Telephone receiver of simple structure | |
| CN202425026U (en) | Sound production device | |
| CN207884873U (en) | A kind of loud speaker of structure optimization | |
| CN214381362U (en) | Sound producing device | |
| CN204442653U (en) | A kind of novel vibrating diaphragm with reinforcing rib structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |