CN209526859U - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN209526859U CN209526859U CN201822278696.0U CN201822278696U CN209526859U CN 209526859 U CN209526859 U CN 209526859U CN 201822278696 U CN201822278696 U CN 201822278696U CN 209526859 U CN209526859 U CN 209526859U
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- China
- Prior art keywords
- skeleton
- voice coil
- vibrating diaphragm
- fixed
- magnetic
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A kind of loudspeaker, including vibrational system, magnetic circuit system and frame for installing the vibrational system Yu the magnetic circuit system, the magnetic circuit system includes magnetic bowl, the magnet steel and pole piece for being fixed to the magnetic bowl, the vibrational system includes vibrating diaphragm, voice coil, the first skeleton, and first skeleton is set between the vibrating diaphragm and the voice coil and is integrally formed with the vibrating diaphragm.The loudspeaker of the utility model enhances the integral strength of vibrational system, reduces the weight of vibrational system, can improve the high frequency characteristics of loudspeaker by setting and the integrally formed skeleton of vibrating diaphragm.
Description
[technical field]
The utility model relates to acoustic-electric field more particularly to a kind of loudspeakers.
[background technique]
Loudspeaker is a kind of energy transducer for converting electrical signals to acoustical signal, loudspeaker be widely used in various sound equipments and
In mobile terminal device, and mobile phone is undoubtedly the most common mobile terminal device, currently, mobile phone is vdiverse in function, one of them
It is exactly the music of high-quality, and loudspeaker is one of the necessary condition for realizing this function.
Existing loudspeaker generally includes the magnetic circuit system being made of magnetic bowl and magnet steel and by voice coil, flexible circuit board and vibration
The vibrational system of film composition, voice coil are located in the magnetic gap being made of magnetic bowl and magnet steel, and one end is fixedly attached to vibrating diaphragm, the other end
It is connect with flexible circuit board, when voice coil is entered alternating current, voice coil will receive an alternation motive force and generate alternation fortune
It is dynamic, drive vibrating diaphragm to vibrate together with flexible circuit board, vibrating diaphragm forces air generates sound.However, existing loudspeaker vibration system
The integral strength of system is on the weak side, influences the high frequency characteristics of loudspeaker sounding.
Thus it is necessary to develop a kind of New-type loudspeaker that can overcome the above problem.
[utility model content]
The utility model is provided solving the problems, such as that speaker vibration system intensity is on the weak side and influences loudspeaker quality
A kind of novel loudspeaker.
To achieve the above object, the utility model provides a kind of loudspeaker, including vibrational system, magnetic circuit system and use
In the frame for installing the vibrational system and the magnetic circuit system, the magnetic circuit system includes magnetic bowl, is fixed to the magnetic bowl
Magnet steel and pole piece, the vibrational system include vibrating diaphragm, voice coil, the first skeleton, and first skeleton is set to the vibrating diaphragm and institute
It states between voice coil and is integrally formed with the vibrating diaphragm.
As an improvement the vibrating diaphragm includes ring film, top dome shape centrum and is connected to the top dome shape centrum
With the horn mouth between the ring film, the horn mouth and first skeleton are integrally formed.
As an improvement the magnetic circuit system further includes upper clamp plate, magnetic is formed between the upper clamp plate and the magnet steel
Gap, the voice coil are set in the magnetic gap, and the vibrational system further includes the flexible circuit being electrically connected with the voice coil
Plate, the flexible circuit board are set between the upper clamp plate and the magnetic bowl, and the one end of the voice coil far from the vibrating diaphragm is logical
It crosses the second skeleton to be fixedly connected with the flexible circuit board, the voice coil is solid close to one end of the vibrating diaphragm and first skeleton
Fixed connection.
As an improvement first skeleton forms bending part, the sound close to one end outward bending of the voice coil
It encloses and is fixedly attached to the bending part close to one end of the vibrating diaphragm.
As an improvement second skeleton includes that the first fixed plate, the second fixed plate and connection described first are fixed
The connecting plate of plate and second fixed plate, first fixed plate are fixed to the one end of the voice coil far from the vibrating diaphragm, institute
It states the second fixed plate and is fixed to the flexible circuit board, the connecting plate surrounds the magnet steel.
As an improvement the flexible circuit board includes inner end and outer end, the inner end and second bone
Frame is fixedly connected so as to move with second skeleton magnet steel relatively, the outer end be fixed on the frame with it is described
Between magnetic bowl.
As an improvement the voice coil is fixed by way of viscose glue with first skeleton and second skeleton.
The beneficial effects of the present invention are: enhancing the entirety of vibrational system by setting and the integrally formed skeleton of vibrating diaphragm
Intensity can improve the high frequency characteristics of loudspeaker.
[Detailed description of the invention]
Fig. 1 is the three-dimensional assembling schematic diagram of the loudspeaker of the utility model；
Fig. 2 is the perspective exploded view of the loudspeaker of the utility model；
Fig. 3 is another angle schematic diagram of Fig. 1；
Fig. 4 is the cross-sectional view shown in Fig. 3 along line A-A；
Fig. 5 is the structural schematic diagram of the second skeleton shown in Fig. 2；
Fig. 6 is the assembling schematic diagram of the first skeleton shown in Fig. 2, voice coil, the second skeleton and flexible circuit board；
Fig. 7 is the structural schematic diagram of flexible circuit board shown in Fig. 2；
Fig. 8 is the first skeleton shown in Fig. 2 and bell-mouthed stereoscopic schematic diagram.
[specific embodiment]
The utility model is described in detail below with reference to Fig. 1 to Fig. 8.
It should be noted that in the utility model embodiment institute it is directional instruction (such as up, down, left, right, before and after,
Inside and outside, top, bottom ...) it is only used for explaining in the opposite position under a certain particular pose (as shown in the picture) between each component
Relationship etc. is set, if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
It should also be noted that, when an element is referred to as being " fixed " or " disposed " on another element, which can
Directly on the other element or may be simultaneously present centering elements.When an element referred to as " connects " another yuan
Part, it, which can be, is directly connected to another element or may be simultaneously present centering elements.
Please refer to Fig. 1-4, according to an embodiment of the present invention provide a kind of loudspeaker 100, including vibrational system 10,
Magnetic circuit system 20 and frame 30 for installing vibrational system 10 and magnetic circuit system 20.
Vibrational system 10 includes vibrating diaphragm 11, voice coil 12, the first skeleton 13, the second skeleton 14 and flexible circuit board 15, vibration
System 10 is fixedly connected by vibrating diaphragm 11 with frame 30, and the first skeleton 13 is set between vibrating diaphragm 11 and voice coil 12.Vibrating diaphragm 11 wraps
Include ring film 111, top dome shape centrum 112 and the horn mouth being connected between ring film 111 and top dome shape centrum 112
113, the outer edge of ring film 111 is fixed to frame 30, and the first skeleton 13 is integrally formed with horn mouth 113.
Magnetic circuit system 20 includes magnetic bowl 21, magnet steel 22, pole piece 23 and upper clamp plate 24, and magnetic circuit system 20 is fixed by magnetic bowl 21
To frame 30, magnetic gap is formed between upper clamp plate 24 and magnet steel 22, voice coil 12 is set in the magnetic gap, and the both ends of voice coil 12
It is fixedly connected respectively with the first skeleton 13 and the second skeleton 14, flexible circuit board 15 is set between upper clamp plate 24 and magnetic bowl 21.
When voice coil 12 is passed through alternating current, voice coil 12 can vibrate under the action of 20 magnetic field of magnetic circuit system, and drive entire vibrational system
10 vibrations.
Referring to Fig. 8, the horn mouth 113 of the first skeleton 13 and vibrating diaphragm 11 is integrally formed in the utility model, the design side
Formula, can enhance the integral strength of vibrational system 10, while reduce the weight of the first skeleton 13 and 11 junction of vibrating diaphragm, and improvement is raised
The high frequency characteristics of sound device 100.
Fig. 4 and Fig. 6 are please referred to, the first skeleton 13 forms bending far from one end outward bending of vibrating diaphragm 11 in the utility model
Portion, voice coil 12 are fixed to the bending part far from one end gluing of flexible circuit board 15, the design method, increase voice coil 12 and
The glue area of one skeleton 13 improves the stability between voice coil 12 and the first skeleton 13, it is possible to understand that ground, the first skeleton 13
It can also be fixed otherwise between voice coil 12.The setting of first skeleton 13, so that voice coil 12 can be directly fixed to
One to 13 frame of bone rather than vibrating diaphragm 11 so as to shorten the inefficient length that voice coil 12 is located at outside magnetic field mitigates the weight of vibrational system 10
Amount improves the magnetic field utilization rate of voice coil 12, promotes BL value, and then promote the sensitivity of loudspeaker 100, wherein BL value refers between magnetic
The product of magnetic field strength and effective voice coil wire length in gap.
Fig. 4-7 is please referred to, the second skeleton 14 includes the first fixed plate 141, the second fixed plate 142 and connects in the utility model
The connecting plate 143 being connected between the first fixed plate 141 and the second fixed plate 142, it is separate that the first fixed plate 141 is fixed to voice coil 12
One end of vibrating diaphragm 11, the second fixed plate 142 are fixed to flexible circuit board 15.Flexible circuit board 15 is preferably annular, flexible circuit
Plate 15 is centered around 22 outside of magnet steel.Flexible circuit board 15 includes inner end 151 and outer end 152, and inner end 151 is centered around magnet steel
22 outsides are simultaneously fixedly connected with the second skeleton 14, and so as to move with the second skeleton 14, therefore inner end 151 is also named moved end,
The outer end 152 of flexible circuit board 15 extends out to 21 outside of magnetic bowl and opposite frame 30 is fixed, therefore outer end 152 is also named
Static side.Second skeleton 14 can be directly glued fixed with flexible circuit board 15 and voice coil 12, can also be by mechanical connection side
Formula is fixed.Preferably, the first fixed plate 141 and the second about 142 fixed plate are arranged in parallel and are ring-type, connecting plate 143 with
First fixed plate 141 and the second fixed plate 142 are vertical and be looped around the outside of magnet steel 22, are formed cylinder-shaped.Voice coil 12 is separate
One end of vibrating diaphragm 11 is fixedly connected with cricoid first fixed plate 141, can increase the glue area of voice coil 12 and the second skeleton 14,
Improve the stability between voice coil 12 and the second skeleton 14.By the way that the second skeleton is arranged between voice coil 12 and flexible circuit board
14, the spacing between the moved end of flexible circuit board 15 and upper clamp plate 24 can be increased, avoid the moved end of flexible circuit board 15 with
Upper clamp plate 24 is struck and impaired problem when voice coil 12 vibrates.
The utility model has the beneficial effects that: enhancing vibration by the way that vibrating diaphragm 11 and the first skeleton 13 to be integrally formed
The integral strength of system 10 improves the high frequency characteristics of loudspeaker 100, while the first skeleton 13 of setting can also mitigate vibrational system
10 weight, to promote the sensitivity of loudspeaker 100；Also by the way that the second bone is arranged between voice coil 12 and flexible circuit board 15
Frame 14 increases the distance between flexible circuit board 15 and upper clamp plate 24, can avoid flexible circuit board 15 and hits in vibration processes
The problem of stamping clamping plate；The both ends of voice coil 12 are connect with bending end and the first fixed plate 141 respectively, increase voice coil 12 and first
The glue area of skeleton 13 and the second skeleton 14, can promote the stability between three.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (7)
1. a kind of loudspeaker, including vibrational system, magnetic circuit system and for installing the vibrational system and the magnetic circuit system
Frame, the magnetic circuit system includes magnetic bowl, the magnet steel and pole piece for being fixed to the magnetic bowl, it is characterised in that: the vibration system
System include vibrating diaphragm, voice coil, the first skeleton, first skeleton be set between the vibrating diaphragm and the voice coil and with the vibrating diaphragm
It is integrally formed.
2. loudspeaker according to claim 1, it is characterised in that: the vibrating diaphragm include ring film, top dome shape centrum with
And it is connected to the horn mouth between the top dome shape centrum and the ring film, the horn mouth and first skeleton one
Molding.
3. loudspeaker according to claim 1 or 2, it is characterised in that: the magnetic circuit system further includes upper clamp plate, it is described on
Magnetic gap is formed between clamping plate and the magnet steel, the voice coil is set in the magnetic gap, the vibrational system further include with
The flexible circuit board of the voice coil electrical connection, the flexible circuit board is set between the upper clamp plate and the magnetic bowl, described
The one end of voice coil far from the vibrating diaphragm is fixedly connected by the second skeleton with the flexible circuit board, and the voice coil is close to the vibration
One end of film is fixedly connected with first skeleton.
4. loudspeaker according to claim 3, it is characterised in that: first skeleton is outside close to one end of the voice coil
It is bent to form bending part, the voice coil is fixedly attached to the bending part close to one end of the vibrating diaphragm.
5. loudspeaker according to claim 3, it is characterised in that: second skeleton is consolidated including the first fixed plate, second
The connecting plate of fixed board and connection first fixed plate and second fixed plate, first fixed plate are fixed to the voice coil
One end far from the vibrating diaphragm, second fixed plate are fixed to the flexible circuit board, and the connecting plate surrounds the magnet steel.
6. loudspeaker according to claim 3, it is characterised in that: the flexible circuit board includes inner end and outer end,
The inner end and second skeleton are fixedly connected so as to move with the opposite magnet steel of second skeleton, the outer end
Portion is fixed between the frame and the magnetic bowl.
7. loudspeaker according to claim 3, it is characterised in that: the voice coil and first skeleton and second bone
Frame is fixed by way of viscose glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278696.0U CN209526859U (en) | 2018-12-30 | 2018-12-30 | A kind of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278696.0U CN209526859U (en) | 2018-12-30 | 2018-12-30 | A kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526859U true CN209526859U (en) | 2019-10-22 |
Family
ID=68228890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822278696.0U Expired - Fee Related CN209526859U (en) | 2018-12-30 | 2018-12-30 | A kind of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209526859U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022067977A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2022151671A1 (en) * | 2021-01-18 | 2022-07-21 | 苏州上声电子股份有限公司 | Loudspeaker and audio system |
-
2018
- 2018-12-30 CN CN201822278696.0U patent/CN209526859U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022067977A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2022151671A1 (en) * | 2021-01-18 | 2022-07-21 | 苏州上声电子股份有限公司 | Loudspeaker and audio system |
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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 |
Granted publication date: 20191022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |