CN206302562U - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN206302562U CN206302562U CN201621287512.1U CN201621287512U CN206302562U CN 206302562 U CN206302562 U CN 206302562U CN 201621287512 U CN201621287512 U CN 201621287512U CN 206302562 U CN206302562 U CN 206302562U
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- CN
- China
- Prior art keywords
- frame
- operatic tunes
- loudspeaker
- copper ring
- short circuit
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model is related to a kind of loudspeaker, including the inner chamber surrounded by frame and fore shell, and vibrating diaphragm, magnetic circuit system in inner chamber, the vibrating diaphragm is connected in frame by copper ring, and inner chamber is divided into the preceding operatic tunes, the rear operatic tunes by the vibrating diaphragm, the acoustic aperture for connecting the preceding operatic tunes is provided with the fore shell, the damping hole for connecting the rear operatic tunes is provided with the frame, the connection preceding operatic tunes, the acoustic short circuit hole of the rear operatic tunes are provided with the copper ring.One of the present utility model has technical effect that, the damping hole for connecting the rear operatic tunes is not only provided with frame, the preceding operatic tunes, the rear operatic tunes are connected together by acoustic short circuit hole, allow that the sound of the band segment in the preceding operatic tunes and the rear operatic tunes is cancelled out each other, generation acoustic short circuit phenomenon, thus the Fo of loudspeaker can be improved, the LF-response of loudspeaker is reduced, demand of the earplug to performance is met.
Description
Technical field
The utility model is related to a kind of sound-producing device, more specifically, the utility model is related to a kind of loudspeaker.
Background technology
With scientific and technological constantly progressive, electronic product without the trend development not towards light and handy miniaturization, such as common MP3 with
Body is listened, personal digital assistant (PDA), notebook computer etc., and even more everyday life must not lack.Earphone has become each electricity
The necessary accessory of sub- product, in addition earphone also provide listener's preferably transfer voice, enable listener clearly hear and
Understand sound-content.Generally by loudspeaker, fore shell, rear shell and earphone cord, (earphone cord one end connects loudspeaker to earphone, and the other end is slotting
Head) constitute.
Earphone is generally divided into by the way of contact with ear：Built-in earplug, half built-in earplug, ear-sticking earplug, and
And various earphones are different to performance requirement.Such as half built-in earplug requirement earphone has of a relatively high fo, relatively low
LF-response.General way is the very little that acoustic aperture design is let out by after, and fo is improved by being hindered after increase, suitably reduces low frequency
Response, but the effect that this structure is brought is limited.
Utility model content
A purpose of the present utility model there is provided a kind of loudspeaker.
According to one side of the present utility model, there is provided a kind of loudspeaker, including the inner chamber surrounded by frame and fore shell, and
Vibrating diaphragm, magnetic circuit system in inner chamber, the vibrating diaphragm are connected in frame by copper ring, and be divided into for inner chamber by the vibrating diaphragm
The preceding operatic tunes, the rear operatic tunes, are provided with the acoustic aperture for connecting the preceding operatic tunes on the fore shell, and connection institute is provided with the frame
The damping hole of the rear operatic tunes is stated, the connection preceding operatic tunes, the acoustic short circuit hole of the rear operatic tunes are provided with the copper ring.
Optionally, projection is provided with the end face of the copper ring, be divided into for the copper ring by the projection shakes for connection
The Part I of film, and it is connected to the Part II on the inside of frame；The acoustic short circuit hole is arranged on Part II.
Optionally, the acoustic short circuit hole is provided with multiple, and the plurality of acoustic short circuit hole is divided equally and is distributed in copper ring Part II
Circumferencial direction on.
Optionally, multiple installation steps being spaced apart are provided with the end face of the frame, the copper ring is installed
On the installation step, the multiple acoustic short circuit hole is arranged on copper ring the position staggered with installation step.
Optionally, deep gouge is provided with the middle part of the frame, the magnetic circuit system includes being arranged in the deep gouge
Magnet, and it is arranged on the magnetic conductive board on magnet end face；Voice coil loudspeaker voice coil is provided with the vibrating diaphragm, the free end of the voice coil loudspeaker voice coil stretches to
In magnetic gap between magnet and frame.
Optionally, it is additionally provided with circuit board in the bottom of the frame.
Optionally, the bottom of the frame is provided with projection, is provided with the circuit board for determining that projection is penetrated
Position hole.
One of the present utility model is had technical effect that, the damping for connecting the rear operatic tunes is not only provided with frame
Hole, the preceding operatic tunes, the rear operatic tunes are connected together by acoustic short circuit hole so that the sound of the band segment in the preceding operatic tunes and the rear operatic tunes
Sound can cancel out each other, and acoustic short circuit phenomenon occurs, and thus can improve the fo of loudspeaker, reduce the LF-response of loudspeaker, meet ear
Fill in the demand to performance.
By referring to the drawings to the detailed description of exemplary embodiment of the present utility model, it is of the present utility model other
Feature and its advantage will be made apparent from.
Brief description of the drawings
The Description of Drawings embodiment of the present utility model of a part for specification is constituted, and is used together with the description
In explanation principle of the present utility model.
Fig. 1 is the profile of the utility model loudspeaker.
Fig. 2 is the explosive view of the utility model loudspeaker.
Fig. 3 is the partial enlarged drawing of location A in Fig. 2.
Specific embodiment
Describe various exemplary embodiments of the present utility model in detail now with reference to accompanying drawing.It should be noted that：Unless another
Illustrate outward, the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments are not limited
Make scope of the present utility model.
The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
New and its application or any limitation for using.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as a part for specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
The utility model is in order to solve problems of the prior art, there is provided a kind of loudspeaker, can improve the fo of loudspeaker,
The LF-response of loudspeaker is reduced, tonequality is adjusted.With reference to Fig. 1, loudspeaker of the present utility model, including surrounded by frame 7 and fore shell 1
Inner chamber, and vibrating diaphragm 2 in inner chamber, voice coil loudspeaker voice coil 4 and magnetic circuit system.
Wherein, the vibrating diaphragm 2 is connected in frame 7 by copper ring 3, such as the edge of described vibrating diaphragm 2 is bonded in copper ring 3
On, the copper ring 3 is together with the inwall interference fit of frame 7, or the inwall that frame 7 is fixed on by the way of bonding
On, the mode of this connection belongs to the common knowledge of those skilled in the art, no longer illustrates herein.In the utility model one
It is individual preferred embodiment in, with reference to Fig. 3, be provided with a circle projection 31 on the end face of the copper ring 3, described raised 31 will be described
3 points of copper ring is the Part I 32 for connecting vibrating diaphragm 2, and for being connected to the Part II 30 of the inner side of frame 7.One circle
Raised 31 pasting areas that vibrating diaphragm 2 is defined on copper ring 3.
After the vibrating diaphragm 7 is arranged in the inner chamber of loudspeaker, the inner chamber is divided into the preceding operatic tunes, the rear operatic tunes, wherein, in institute
The acoustic aperture 1a for being provided with fore shell 1 and connecting the preceding operatic tunes is stated, the sound that vibrating diaphragm 2 sends can be flowed out by acoustic aperture 1a；Institute
The damping hole 7b for being provided with frame 7 and connecting the rear operatic tunes is stated, damping hole 7b can be provided with one；Can also be provided with many
It is individual, be evenly distributed on the circumferencial direction of the end face of frame 7, by damping hole 7b can with equilibrium after the operatic tunes with the external world air pressure.
Wherein, the connection preceding operatic tunes, the acoustic short circuit hole 33 of the rear operatic tunes are provided with the copper ring 3.The preceding operatic tunes, the rear operatic tunes lead to
Cross the acoustic short circuit hole 33 to be connected together so that the sound of the band segment in the preceding operatic tunes and the rear operatic tunes can cancel out each other, send out
Raw acoustic short circuit phenomenon, thus can improve the Fo of loudspeaker, the appropriate LF-response for reducing loudspeaker.
Acoustic short circuit hole 33 of the present utility model is preferably provided at the Part II 30 of copper ring 3, and acoustic short circuit hole 33 can be set
There is one, it is also possible to be provided with multiple, the plurality of acoustic short circuit hole 33 is evenly distributed on the circumferencial direction of the Part II 30 of copper ring 3
On.
Loudspeaker of the present utility model, it can use mounting structure well-known to those skilled in the art, new in this practicality
In one specific embodiment of type, multiple installation step 7a being spaced apart are provided with the end face of the frame 7, it is described
Copper ring 3 is supported on the installation step 7a, it is achieved thereby that the connection between copper ring 3 and frame 7.Wherein, the multiple sound
Short circuit hole 33 is arranged on the position staggered with installation step 7a on copper ring 3, such that it is able to prevent acoustic short circuit hole 33 and installation step
7a is interfered.
Magnetic circuit system can be arranged in frame 7 by way of known to people in the art, in the utility model one
In specific embodiment, the middle part of the frame 7 is provided with deep gouge 7c, and the magnetic circuit system includes being arranged on the deep gouge 7c
Interior magnet 6, and it is arranged on the magnetic conductive board 5 on the end face of magnet 6；Be provided with voice coil loudspeaker voice coil 4 on the vibrating diaphragm 2, the voice coil loudspeaker voice coil 4 from
In the magnetic gap between magnet 6 and frame 7 being stretched to by end.
The mounting structure of above-mentioned magnetic circuit system belongs to the common knowledge of those skilled in the art, and the utility model is to enumerate
One of which specifically implements structure, and for a person skilled in the art, magnetic circuit system of the present utility model can be
Internal magnetization, external magnetic type, two magnetic route structure etc., the specific configuration at this to trumpet are not specifically limited.
The utility model one preferred embodiment in, be additionally provided with circuit board 7 in the bottom of the frame 7, should
Circuit board 7 can be fixed on the bottom of frame 7 by way of bonding or welding.It may further be preferable that in the frame 7
Bottom is provided with raised 7d, and the location hole 8a penetrated for raised 7d is provided with the circuit board 8, by location hole 8a with
The cooperation of raised 7d, it is possible to achieve circuit board 7 installation positioning, assembling when, can in the location hole 8a gluing so that
Circuit board 7 is bonded together with the bottom of frame 7.
Although being described in detail to some specific embodiments of the present utility model by example, this area
It is to be understood by the skilled artisans that above example is merely to illustrate, rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case where scope and spirit of the present utility model not be departed from, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (7)
1. a kind of loudspeaker, it is characterised in that：Including the inner chamber surrounded by frame (7) and fore shell (1), and shaking in inner chamber
Film (2), magnetic circuit system, the vibrating diaphragm (2) are connected in frame (7) by copper ring (3), and the vibrating diaphragm (2) separates inner chamber
It is the preceding operatic tunes, the rear operatic tunes, the acoustic aperture (1a) for connecting the preceding operatic tunes is provided with the fore shell (1), in the frame (7)
The damping hole (7b) for connecting the rear operatic tunes is provided with, the connection preceding operatic tunes, the rear operatic tunes are provided with the copper ring (3)
Acoustic short circuit hole (33).
2. loudspeaker according to claim 1, it is characterised in that：Raised (31), institute are provided with the end face of the copper ring (3)
State raised (31) and the copper ring (3) is divided into Part I (32) for connecting vibrating diaphragm (2), and be connected in frame (7)
The Part II (30) of side；The acoustic short circuit hole (33) is arranged on Part II (30).
3. loudspeaker according to claim 2, it is characterised in that：The acoustic short circuit hole (33) is provided with multiple, the plurality of sound
Short circuit hole (33) is divided equally and is distributed on the circumferencial direction of copper ring (3) Part II (30).
4. loudspeaker according to claim 2, it is characterised in that：Multiple intervals are provided with the end face of the frame (7)
The installation step (7a) of distribution, on the installation step (7a), the multiple acoustic short circuit hole (33) sets the copper ring (3)
Put the position staggered with installation step (7a) on copper ring (3).
5. loudspeaker according to claim 1, it is characterised in that：Deep gouge (7c) is provided with the middle part of the frame (7), it is described
Magnetic circuit system includes the magnet (6) in the deep gouge (7c), and is arranged on the magnetic conductive board (5) on magnet (6) end face；
Voice coil loudspeaker voice coil (4) is provided with the vibrating diaphragm (2), the free end of the voice coil loudspeaker voice coil (4) stretches to the magnetic between magnet (6) and frame (7)
In gap.
6. loudspeaker according to claim 1, it is characterised in that：Circuit board is additionally provided with the bottom of the frame (7)
(8)。
7. loudspeaker according to claim 6, it is characterised in that：The bottom of the frame (7) is provided with raised (7d), described
The location hole (8a) penetrated for raised (7d) is provided with circuit board (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621287512.1U CN206302562U (en) | 2016-11-28 | 2016-11-28 | A kind of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621287512.1U CN206302562U (en) | 2016-11-28 | 2016-11-28 | A kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206302562U true CN206302562U (en) | 2017-07-04 |
Family
ID=59213235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621287512.1U Active CN206302562U (en) | 2016-11-28 | 2016-11-28 | A kind of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206302562U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436015A (en) * | 2019-12-30 | 2020-07-21 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN112637747A (en) * | 2020-12-24 | 2021-04-09 | 苏州倍声声学技术有限公司 | Moving-iron telephone receiver and noise reduction earphone |
| CN112788469A (en) * | 2021-03-01 | 2021-05-11 | 维沃移动通信有限公司 | Earphone and electronic equipment |
-
2016
- 2016-11-28 CN CN201621287512.1U patent/CN206302562U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436015A (en) * | 2019-12-30 | 2020-07-21 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN112637747A (en) * | 2020-12-24 | 2021-04-09 | 苏州倍声声学技术有限公司 | Moving-iron telephone receiver and noise reduction earphone |
| CN112788469A (en) * | 2021-03-01 | 2021-05-11 | 维沃移动通信有限公司 | Earphone and electronic equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |