CN208158870U - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
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- CN208158870U CN208158870U CN201820630970.3U CN201820630970U CN208158870U CN 208158870 U CN208158870 U CN 208158870U CN 201820630970 U CN201820630970 U CN 201820630970U CN 208158870 U CN208158870 U CN 208158870U
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- loudspeaker
- shell
- vibrating diaphragm
- fixed
- horn
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Abstract
The utility model discloses a kind of loudspeaker, and including shell and the horn single body being housed in cavity pocket of outer cover, the horn single body includes having the shell of accommodating chamber and the vibrational system being housed in the accommodating chamber and magnetic circuit system；The vibrational system includes vibrating diaphragm and fixed voice coil in conjunction with vibrating diaphragm；The side for defining the separate voice coil of the vibrating diaphragm is horn front, and one end far from horn front is loudspeaker rear portion；Channel of speaking is formed between the shell and the shell；Sound leads to loudspeaker rear portion by channel of speaking from horn front, includes the outlet sound mouth that will be connected to outside speak channel and loudspeaker on the shell at loudspeaker rear portion.The outlet sound mouth of the provided loudspeaker of the utility model can be with the rear portion letting out acoustic aperture and/or electric connection board and be located at loudspeaker simultaneously, and it outlet sound mouth and lets out between acoustic aperture mutually indepedent, it does not interfere with each other, while can guarantee that loudspeaker can have good acoustical quality, has expanded the application range of loudspeaker.
Description
Technical field
The utility model relates to electroacoustic techniques fields.More particularly, to a kind of loudspeaker.
Background technique
Loudspeaker are that one kind can make its internal diaphragm oscillations simultaneously by audio electric energy by electromagnetism, piezoelectricity or electrostatic effect
The device for generating resonance with the air of surrounding and making a sound, as the common electroacoustic transducer for converting electrical energy into sound energy
Part plays indispensable role in sound place system.Loudspeaker is many kinds of at present, mainly includes magnetic circuit system and vibration
System, existing loudspeaker outlet sound mouth are generally located on horn front, and loudspeaker are by the outlet sound mouth of its front as channel of speaking.
But for some specialities, such as AR/VR equipment, the front end of portioned product is needed due to there is the requirement of waterproof
Loudspeaker go out sound backward, that is to say, that loudspeaker outlet sound mouth is needed positioned at the rear portion of loudspeaker entirety, i.e., positioned at the magnetic circuit system of loudspeaker
Side；Limitation due to existing horn structure and with horn contact solder joint direction, many products will produce when using conventional horn
Product are designed to be extremely difficult to preferable acoustical quality in this way by letting out acoustic aperture sounding after loudspeaker.
Accordingly, it is desirable to provide a kind of loudspeaker of new construction, to overcome defect present in the above-mentioned prior art.
Utility model content
In view of the above problems, the technical problem to be solved by the present invention is to provide a kind of loudspeaker.The outlet sound mouth of the loudspeaker
It and outlet sound mouth and can let out mutually indepedent between acoustic aperture, not do mutually with the rear portion letting out acoustic aperture and/or electric connection board and be located at loudspeaker simultaneously
It disturbs, while can guarantee that loudspeaker can have good acoustical quality, has expanded the application range of loudspeaker.
In order to solve the above technical problems, the utility model adopts the following technical solutions：
A kind of loudspeaker, the loudspeaker include shell and the horn single body that is housed in cavity pocket of outer cover, the horn single body
Including the shell with accommodating chamber and the vibrational system being housed in the accommodating chamber and magnetic circuit system；The vibrational system packet
Include vibrating diaphragm and fixed voice coil in conjunction with vibrating diaphragm；
The side for defining the separate voice coil of the vibrating diaphragm is horn front, and one end far from horn front is loudspeaker rear portion；
Channel of speaking is formed between the shell and the shell；Sound leads to loudspeaker by channel of speaking from horn front
Rear portion includes the outlet sound mouth that will be connected to outside speak channel and loudspeaker on the shell at loudspeaker rear portion.
Further, it is preferable to which scheme is, the magnetic circuit system is in conjunction on the inner wall side for being fixed on the shell；
The magnetic circuit system includes：
Conductive magnetic yoke；
It is fixed on the magnet of a side surface of the close vibrating diaphragm of the conductive magnetic yoke；And
The magnetic conductive board being fixed on the side surface far from the conductive magnetic yoke of the magnet；The vibrating diaphragm, which combines, to be fixed on
On the side surface far from the magnet of the magnetic conductive board；
Wherein, the lug boss extended to the vibrating diaphragm side, the magnet and described are provided in the middle part of the conductive magnetic yoke
Magnetic conductive board is set on the outside of the lug boss；
It is formed between the magnet and magnetic conductive board and lug boss for suspending the magnetic gap for accommodating the voice coil.
Further, it is preferable to scheme is, the shell include body part and from body part in loudspeaker rear portion end to
The bottom wall part extended close to horn single body direction, the outlet sound mouth are located in the bottom wall part.
Further, it is preferable to which scheme is, the end edge of the separate body part of the bottom wall part is along the shell with the horn single body
External side surface fitting is fixed.
Further, it is preferable to which scheme is, the loudspeaker include several outlet sound mouths, and several outlet sound mouths are circumferential along the bottom wall part
It is uniformly arranged.
Further, it is preferable to scheme is, the body part include side wall and positioned at horn front in conjunction with the side wall
Fixed lid.
Further, it is preferable to which scheme is, in opening, which includes to inside contract for the end of the close lid of the shell
Stage portion；The lid include extend from the lid inner surface to vibrating diaphragm direction it is several along lid circumferentially uniformly set
The extension set；
One end far from the lid of the extension is bonded fixation with the outer surface of the stage portion.
Further, it is preferable to which scheme is, the vibrating diaphragm includes：
Fixed part positioned at vibrating diaphragm edge；
The ring portion being wholely set with fixed part；And
Central portion in ring portion；
The fixed part is fixed between the magnetic conductive board and stage portion.
Further, it is preferable to which scheme is, the loudspeaker further include being connected with voice coil for connecting horn single body inside and outside electricity
The electric connection board on road；
The electric connection board is located at the rear portion of the loudspeaker, and in conjunction with the side for the separate magnet for being fixed on the conductive magnetic yoke
On surface.
Further, it is preferable to which scheme is, the conductive magnetic yoke includes the flat part around the lug boss, includes on the flat part
Have and lets out acoustic aperture for what is be connected to outside horn single body inner cavity and loudspeaker；It and on the outer surface of the conductive magnetic yoke flat part include at least
The damping screen cloth of acoustic aperture is let out described in covering.
Horn structure provided by the utility model, by the channel of speaking being arranged between shell and horn single body shell,
Sound can be led to loudspeaker rear portion by horn front, under the premise of not losing acoustical quality, be applicable to some based on waterproof
It is required that need loudspeaker that there is rear portion to go out the product structure of sound particular/special requirement, such rear portion goes out the horn structure of sound, and outlet sound mouth can be with
The rear portion let out acoustic aperture and/or electric connection board while being located at loudspeaker on loudspeaker, outlet sound mouth and letting out do not share between acoustic aperture, mutually solely
It is vertical, it does not interfere with each other, while can guarantee that loudspeaker can have good acoustical quality, has expanded the application range of loudspeaker.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 shows the structural assembly diagram of the provided loudspeaker of the utility model.
Fig. 2 shows the schematic perspective views of the provided loudspeaker of the utility model.
Fig. 3 shows the sectional view of the provided loudspeaker of the utility model.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
In following description given, for purposes of illustration, in order to provide comprehensive reason to one or more embodiment
Solution, numerous specific details are set forth.It may be evident, however, that these realities can also be realized without these specific details
Apply mode.In other examples, one or more embodiment for ease of description, well known structure and equipment are with block diagram
Form show.
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
The utility model provides the horn structure that a kind of rear portion goes out sound, and can satisfy certain pairs of loudspeaker has particular/special requirement
Product structure.In conjunction with shown in Fig. 1 to Fig. 3, Fig. 1 shows the structural assembly diagram of the provided loudspeaker of the utility model；Fig. 2 shows this realities
With the schematic perspective view of novel provided loudspeaker；Fig. 3 shows the sectional view of the provided loudspeaker of the utility model.Specifically,
A kind of loudspeaker, the loudspeaker include shell 1 and the horn single body that is housed in 1 cavity of shell, and the horn single body includes tool
The vibrational system and magnetic circuit system for having the shell 2 of accommodating chamber and being housed in the accommodating chamber；The vibrational system includes vibration
Film 3 and the voice coil 4 that fixation is combined with vibrating diaphragm 3；The side for defining the separate voice coil 4 of the vibrating diaphragm 3 is horn front, far from loudspeaker
One end of front is loudspeaker rear portion；Channel 5 of speaking is formed between the shell 1 and the shell 2；Sound is logical from horn front
It crosses channel 5 of speaking and leads to loudspeaker rear portion, include that will speak to be connected to outside channel 5 and loudspeaker on the shell 1 at loudspeaker rear portion
Outlet sound mouth 8.It should be noted that horn front defined in the utility model is understood that compared with conventional horn structure
For the side away from magnetic circuit system of vibrating diaphragm, loudspeaker rear portion can be understood as the side of the had conductive magnetic yoke of horn magnetic circuit system,
Furthermore as can also be opposite in schema structure provided by the utility model embody horn front defined in present embodiment
With positional relationship described in loudspeaker rear portion.
Horn structure provided by present embodiment is spoken using what is be arranged between horn bulb 1 and horn single body shell 2
Vibrating diaphragm 3 can be vibrated the sound issued and lead to loudspeaker rear portion by horn front channel of being spoken, not lose sound quality effect by channel 5
Under the premise of fruit, it is applicable to some product structures for needing loudspeaker that there is rear portion to go out sound particular/special requirement based on waterproof requirement.
In the present embodiment, the magnetic circuit system is in conjunction with being fixed on the inner wall side of the shell 2；Specifically, described
Magnetic circuit system includes conductive magnetic yoke 6；It is fixed on the magnet 7 of a side surface of the close vibrating diaphragm 3 of the conductive magnetic yoke 6；And it is fixed on
Magnetic conductive board 71 on the side surface far from the conductive magnetic yoke 6 of the magnet 7；The vibrating diaphragm 3 is in conjunction with being fixed on the magnetic conduction
On the side surface far from the magnet 7 of plate 71；Wherein, the middle part of the conductive magnetic yoke 6 is provided with to 3 side of vibrating diaphragm and prolongs
The lug boss 61 stretched, the magnet 7 and the magnetic conductive board 71 are set in 61 outside of lug boss；The magnet 7 and magnetic conductive board
It is formed between 71 and lug boss 61 for suspending the magnetic gap for accommodating the voice coil 4.When the voice coil in magnetic field has audio-frequency electric
When stream flows through, will receive alternation motive force and generate alternate motion, to drive diaphragm oscillations, and then push air repeatedly and
Sounding.It should be noted that the conductive magnetic yoke can also be a straight plate structure, by the way that center magnetic is arranged in the middle part of conductive magnetic yoke
The form of iron and center magnetic conductive board, forms magnetic gap between magnet, can increase the magnetic field strength of voice coil present position, this reality
With it is novel to this with no restriction.
Moreover it is preferred that the shell 1 includes body part 11 and is located at the end at loudspeaker rear portion to leaning on from body part 11
The bottom wall part 12 that nearly horn single body direction is extended, the outlet sound mouth 8 are located in the bottom wall part 12.If the loudspeaker include
Dry outlet sound mouth, several outlet sound mouths are circumferentially uniformly arranged along the bottom wall part 12.The purpose designed in this way is, can make outlet sound mouth 8
With the rear portion let out acoustic aperture and/or electric connection board and be located at loudspeaker simultaneously on loudspeaker, and be located at loudspeaker same bottom surface on, with meet
There is the product structure of particular/special requirement to loudspeaker outlet sound mouth.Several outlet sound mouths are circumferentially uniformly arranged along the bottom wall part, it is ensured that loudspeaker
It is uniform that rear portion goes out sound, improves out sound quality.
Further, in order to meet the sealing performance in channel of speaking, prevent sound from revealing, the bottom wall part 12 far from this
For the end edge in body portion 11 along fixation is bonded with 2 outer surface of shell of the horn single body, painting gluing is can be used in fixed form
It connects, but it is understood that, under conditions of satisfaction speaks channel sealing performance, other fixed forms, this reality also can be used
With novel without limitation.
In addition present embodiment also provides a kind of preferably 1 structure of shell, and specifically, the body part 11 of the shell 1 wraps
It includes side wall 111 and is combined fixed lid 112 with the side wall 111 positioned at horn front.Using in 1 body part 11 of shell
The assembling structure form seperated with lid 112 of side wall 111, can facilitate the dress between each component of loudspeaker in loudspeaker assembling process
Match, and is also convenient for being adjusted concentricity between each component of loudspeaker.
Moreover it is preferred that the end of the close lid 112 of the shell 2 is in opening, it should be in open 2 end edge of shell
Edge includes the stage portion 21 inside contracted；The lid 112 includes to be extended from 112 inner surface of lid to 3 direction of vibrating diaphragm
Several extensions 113 being circumferentially uniformly arranged along lid 112；The extension 113 far from the lid 112 one end with
The outer surface of the stage portion 21, which is bonded, to be fixed.On the one hand the setting of extension 113 can increase between lid 112 and shell 2
Support strength so that lid 112 be pressurized when be unlikely to deform, on the other hand utilize matching between extension 113 and stage portion 21
The bond strength that can also increase between horn bulb 1 and horn single body shell 2 is closed, the reliability of loudspeaker entirety is improved.It needs
Bright, several extensions are circumferentially uniformly arranged along lid, should be logical there are passing through for sound between adjacent two extension edge
Road, further for the width in channel between adjacent two extension edge, it is to be appreciated that those skilled in the art can be according to reality
The audio fruit situation that goes out on border is chosen or is adjusted, and the utility model is without limitation.
In embodiment provided by the utility model, the vibrating diaphragm 3 includes the fixed part 31 positioned at vibrating diaphragm edge；With it is solid
Determine the ring portion that portion 31 is wholely set；And the central portion in ring portion；The fixed part 31 is fixed on the magnetic conductive board
Between 71 and stage portion 21.Wherein, the side surface patch of the separate magnet 7 of a side surface and magnetic conductive board 71 for the fixed part 31
Close and fix, another side surface of the fixed part 31 with and its corresponding stage portion 21 be bonded fixation.Preferably, in the fixation
Fixed ring can be also added between portion and stage portion, which can be located at the outer ledge position of the fixed part, the fixation
The surface of the separate magnetic conductive board of a side surface and fixed part for ring is bonded fixation, another side surface of the fixed ring with and
Its corresponding stage portion fitting is fixed.Preferably, the material of the fixed ring is metal.Fixed ring can ensure fixed vibrating diaphragm
Glue is evenly distributed in each contact surface, when sound is excessive, vibrating diaphragm is avoided to occur being distorted or distorsion.In addition, in loudspeaker list
Body is adjusted to big volume, and when the motion amplitude of vibrating diaphragm increases, fixed ring can be avoided voice coil dislocation or vibrating diaphragm from monomer shell
The appearance for phenomena such as edge disengages, can be improved the reliability of horn single body and the stability of acoustical behavior.
In addition, loudspeaker provided by the utility model further include being connected with voice coil for connecting horn single body inside and outside electricity
The electric connection board 9 on road and let out acoustic aperture 10；The electric connection board is located at the rear portion of the loudspeaker, and in conjunction with being fixed on the conductive magnetic yoke
On one side surface of 6 separate magnet 7.On the flat part 62 for letting out the circular lug boss 61 that acoustic aperture 10 is located at conductive magnetic yoke 6, let out
Acoustic aperture 10 is used to be connected to outside horn single body inner cavity and loudspeaker；And include on the outer surface of 6 flat part 62 of conductive magnetic yoke
The damping screen cloth 101 of acoustic aperture 10 is at least let out described in covering.
Damping 101 one side of screen cloth influences sound quality out for preventing dust from entering in loudspeaker, on the other hand, passes through damping
The leakage rate of screen cloth adjusting horn, is adjusted acoustic resistance.
By above embodiment as can be seen that loudspeaker provided by the utility model, the outlet sound mouth of loudspeaker are located at loudspeaker
Rear portion is applicable to some waterproof requirements that are based on and needs loudspeaker that there is rear portion to go out sound spy under the premise of not losing acoustical quality
The product structure very required, and outlet sound mouth and letting out does not share between acoustic aperture, independently of each other, does not interfere with each other, can guarantee loudspeaker
While there capable of be good acoustical quality, the application range of loudspeaker has been expanded.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of loudspeaker, which is characterized in that the loudspeaker include shell and the horn single body that is housed in cavity pocket of outer cover, described
Horn single body includes having the shell of accommodating chamber and the vibrational system being housed in the accommodating chamber and magnetic circuit system；The vibration
Dynamic system includes vibrating diaphragm and fixed voice coil in conjunction with vibrating diaphragm；
The side for defining the separate voice coil of the vibrating diaphragm is horn front, and one end far from horn front is loudspeaker rear portion；
Channel of speaking is formed between the shell and the shell；After sound leads to loudspeaker by channel of speaking from horn front
Portion includes the outlet sound mouth that will be connected to outside speak channel and loudspeaker on the shell at loudspeaker rear portion.
2. a kind of loudspeaker according to claim 1, which is characterized in that the magnetic circuit system is in conjunction with being fixed on the shell
On inner wall side；
The magnetic circuit system includes：
Conductive magnetic yoke；
It is fixed on the magnet of a side surface of the close vibrating diaphragm of the conductive magnetic yoke；And
The magnetic conductive board being fixed on the side surface far from the conductive magnetic yoke of the magnet；The vibrating diaphragm is in conjunction with described in being fixed on
On the side surface far from the magnet of magnetic conductive board；
Wherein, the lug boss extended to the vibrating diaphragm side, the magnet and the magnetic conduction are provided in the middle part of the conductive magnetic yoke
Sleeve-board is located on the outside of the lug boss；
It is formed between the magnet and magnetic conductive board and lug boss for suspending the magnetic gap for accommodating the voice coil.
3. a kind of loudspeaker according to claim 2, which is characterized in that the shell includes body part and by body part
In the bottom wall part that the end at loudspeaker rear portion is extended to close horn single body direction, the outlet sound mouth is located in the bottom wall part.
4. a kind of loudspeaker according to claim 3, which is characterized in that the end edge edge of the separate body part of the bottom wall part
Fixation is bonded with the hull outside surface of the horn single body.
5. a kind of loudspeaker according to claim 3, which is characterized in that the loudspeaker include several outlet sound mouths, if doing
Bottom wall part described in sound opening's edge is circumferentially uniformly arranged.
6. a kind of loudspeaker according to claim 3, which is characterized in that before the body part includes side wall and is located at loudspeaker
The lid fixed in conjunction with the side wall in portion.
7. a kind of loudspeaker according to claim 6, which is characterized in that the end of the close lid of the shell is in opening,
The opening edge includes the stage portion inside contracted；The lid includes to extend from the lid inner surface to vibrating diaphragm direction
Several extensions being circumferentially uniformly arranged along lid；
One end far from the lid of the extension is bonded fixation with the outer surface of the stage portion.
8. a kind of loudspeaker according to claim 7, which is characterized in that the vibrating diaphragm includes：
Fixed part positioned at vibrating diaphragm edge；
The ring portion being wholely set with fixed part；And
Central portion in ring portion；
The fixed part is fixed between the magnetic conductive board and stage portion.
9. a kind of loudspeaker according to claim 2, which is characterized in that the loudspeaker further include being connected with voice coil for connecting
Connect the electric connection board of horn single body peripheral circuits；
The electric connection board is located at the rear portion of the loudspeaker, and in conjunction with a side surface of the separate magnet for being fixed on the conductive magnetic yoke
On.
10. a kind of loudspeaker according to claim 2, which is characterized in that the conductive magnetic yoke includes around the lug boss
Flat part includes to let out acoustic aperture for what is be connected to outside horn single body inner cavity and loudspeaker on the flat part；And the conductive magnetic yoke flat part
Outer surface on include to let out the damping screen cloth of acoustic aperture described at least covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820630970.3U CN208158870U (en) | 2018-04-28 | 2018-04-28 | A kind of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820630970.3U CN208158870U (en) | 2018-04-28 | 2018-04-28 | A kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158870U true CN208158870U (en) | 2018-11-27 |
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ID=64376609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820630970.3U Active CN208158870U (en) | 2018-04-28 | 2018-04-28 | A kind of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662135A (en) * | 2019-09-29 | 2020-01-07 | 歌尔股份有限公司 | Magnetizer and sound production device |
| CN114173251A (en) * | 2020-09-10 | 2022-03-11 | 深圳瑞利声学技术股份有限公司 | Bugle and audio amplifier |
-
2018
- 2018-04-28 CN CN201820630970.3U patent/CN208158870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110662135A (en) * | 2019-09-29 | 2020-01-07 | 歌尔股份有限公司 | Magnetizer and sound production device |
| CN114173251A (en) * | 2020-09-10 | 2022-03-11 | 深圳瑞利声学技术股份有限公司 | Bugle and audio amplifier |
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