CN106162461A - Speaker module - Google Patents
Speaker module Download PDFInfo
- Publication number
- CN106162461A CN106162461A CN201610675924.0A CN201610675924A CN106162461A CN 106162461 A CN106162461 A CN 106162461A CN 201610675924 A CN201610675924 A CN 201610675924A CN 106162461 A CN106162461 A CN 106162461A
- Authority
- CN
- China
- Prior art keywords
- speaker module
- loudspeaker unit
- sound
- upper shell
- insertion section
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The present invention provides a kind of speaker module, including lower house, it is arranged on the loudspeaker unit in described lower house, the upper shell that is connected with described lower house and be arranged on the special sound-conducting body in described upper shell exterior side surfaces, the ante-chamber of described loudspeaker unit is formed between top and the described upper shell of described loudspeaker unit, the both sides of described loudspeaker unit respectively and form the back cavity of a described loudspeaker unit between described upper shell and described lower house, described special sound-conducting body includes leading sound passage, two the phonocatheter roads leading sound passage both sides described in being located at and the cavity connected with two described phonocatheter roads, described sound passage of leading connects with described ante-chamber, each described phonocatheter road correspondence connects with a described back cavity.Speaker module in the present invention, owing to two described back cavities all connect with described cavity, on the one hand increases the back cavity of described loudspeaker unit, improves the tonequality of described speaker module, on the other hand makes acoustic impedance reduce half.
Description
Technical field
The present invention relates to electroacoustic techniques field, particularly to a kind of speaker module.
Background technology
Under the background that electronic technology is fast-developing, tracking exchage portable electric appts becomes towards light, thin direction
Change.As a example by large-screen mobile phone, flat board and notebook, it requires that product is enough thin, and screen is enough big to meet the use demand of people.Phase
Ying Di, the thickness of the speaker module that can load is more and more thinner, simultaneously because major part space, mobile phone front is accounted for by screen
According to, the sound that speaker module is sent can only send from mobile phone side or the back side.
In prior art, the acoustic form that goes out of currently used speaker module mainly divides and is just going out sound and side goes out sound two kinds.Its
In just going out sound structure the vibrating diaphragm of speaker module directly face mobile phone sound mouth, it is relatively big, therefore to go out sound area occupied by it
Can only be from back side sounding so that people are when appreciating video, and the sound that video sends needs diffraction 180 ° to get to human ear, this
The medium-high frequency tonequality that sample people hear can be poor.And the speaker module that side goes out acoustic form can be from mobile phone side sounding, this is
The main trend of smart mobile phone at present.But, when people appreciate video time, the sound that it sends still with auditor's ear in
90 °, the most still can affect the appreciation of the music of people's high band stronger to directivity.Moreover, currently used raise
Sound device module is more and more less, and the back cavity that so can cause loudspeaker unit is less, badly influences under the low frequency of loudspeaker unit
Latent, thus the sound causing speaker module to send crosses point and sound resolution is deteriorated, and has a strong impact on the tonequality of speaker module.
Summary of the invention
Based on this, it is an object of the invention to provide a kind of speaker module improving tonequality by increasing back cavity.
A kind of speaker module, including lower house, is arranged on the loudspeaker unit within described lower house and described lower casing
Upper shell that body is connected together and be arranged on the special sound-conducting body in described upper shell exterior side surfaces, described loudspeaker unit
Form the ante-chamber of described loudspeaker unit between top and described upper shell, the both sides of described loudspeaker unit respectively with described on
Form the back cavity of a described loudspeaker unit between housing and described lower house, described special sound-conducting body include leading sound passage,
Two the phonocatheter roads leading sound passage both sides described in being located at and the cavity connected with two described phonocatheter roads, described in lead sound passage
Connecting with described ante-chamber, each described phonocatheter road correspondence connects with a described back cavity.
Above-mentioned speaker module, due on described special sound-conducting body arrange two described phonocatheter roads respectively with two institutes
State back cavity connection, and two described phonocatheter roads all connect with described cavity so that described back cavity connects with described cavity, from
And in the case of the volume not increasing described speaker module, increase the back cavity of described speaker, and then raise described in improve
The tonequality of sound device module, meanwhile, each described phonocatheter road and each described back cavity are independent structures, when two institutes
State phonocatheter road when connecting with two described back cavities respectively, lead acoustic form by form a pair parallel connection, lead sound knot relative to one
For structure, leading acoustic form for two and enable to acoustic impedance reduction half, the frequency response being effectively prevented from described speaker module is bent
Line forms the risk of intermediate frequency paddy.
Further, described upper shell includes the first side surface being connected with described special sound-conducting body, described first side table
Face is provided with upper casing and goes out acoustic aperture and be located at described upper casing and go out two back cavity openings of acoustic aperture both sides, described in lead sound passage and pass through institute
State upper casing to go out acoustic aperture and connect with described ante-chamber, each described phonocatheter road correspondence by a described back cavity opening with corresponding
Described back cavity connects.
Further, described special sound-conducting body includes the second side surface of the connection with described first side surface, described
Two side surfaces and described first side surface are tilting structure, and described first side surface pastes completely with described second side surface
Close.
Further, described first side surface is connected with described second side surface by a two-sided gum foam, described double
The size and shape of face gum foam is corresponding with described first side surface.
Further, leading sound passage described in is the through-hole structure being formed by connecting by two holes in 90 ° each other.
Further, the bottom of described lower house is provided with the first through hole, and the shape of described first through hole is "convex" shaped, institute
The top periphery stating the first through hole is provided with the supporting part of annular, and the bottom of described loudspeaker unit is connected to described supporting part
On.
Further, the top of described upper shell is provided with square groove, is positioned at the second through hole bottom described square groove and inserts
Being connected on the steel disc in described square groove, described second through hole is just to described loudspeaker unit.
Further, described steel disc is square structure, any three limits of described steel disc be respectively equipped with multiple obliquely
First insertion section, an other limit of described steel disc is provided with multiple the second insertion section obliquely, in the middle of described any three limits
One article of limit on be additionally provided with two the 3rd insertion sections, each described 3rd insertion section all includes being connected obliquely with described steel disc
Connecting portion and the line part that is connected with described connecting portion.
Further, all of described first insertion section, described second insertion section and described connecting portion are the most outward-dipping, often
Individual described 3rd insertion section is all longer than all of described first insertion section and described second insertion section.
Further, the outside of described cavity is provided with two ends and is the groove of breakthrough status, any one end of described groove
It is provided with step-like breach.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure exploded view of speaker module in first embodiment of the invention.
Fig. 2 is the perspective view of speaker module in first embodiment of the invention.
Fig. 3 is the perspective view of special sound-conducting body in first embodiment of the invention.
Fig. 4 is the perspective view of the other direction of special sound-conducting body in first embodiment of the invention.
Fig. 5 is the perspective view of upper shell in first embodiment of the invention.
Fig. 6 is the perspective view of steel disc in first embodiment of the invention.
Main element symbol description
| Lower house | 10 | Loudspeaker unit | 20 |
| Upper shell | 30 | Two-sided gum foam | 40 |
| Special sound-conducting body | 50 | First through hole | 11 |
| Square groove | 31 | Second through hole | 32 |
| Steel disc | 33 | Slot | 321 |
| First insertion section | 331 | Second insertion section | 332 |
| 3rd insertion section | 333 | First side surface | 34 |
| Upper casing goes out acoustic aperture | 341 | Back cavity opening | 342 |
| Second side surface | 51 | Lead sound passage | 52 |
| Phonocatheter road | 53 | Cavity | 54 |
| Groove | 55 | Breach | 551 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give some embodiments of the present invention.But, the present invention can realize in many different forms, however it is not limited to institute herein
The embodiment described.On the contrary, providing the purpose of these embodiments is to make to the disclosure more thoroughly comprehensively.
It should be noted that when element is referred to as " being fixedly arranged on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left ",
" right " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phase
Arbitrary and all of combination of the Listed Items closed.
Referring to Fig. 1 to 6, the speaker module showing in first embodiment of the invention, including lower house 10, speaker
Unit 20, upper shell 30, two-sided gum foam 40 and special sound-conducting body 50.
The bottom of described lower house 10 is provided with the first through hole 11, and the shape of described first through hole 11 is "convex" shaped, described
The top periphery of the first through hole 11 is provided with the supporting part of annular.
Described loudspeaker unit 20 is located at the inside of described lower house 10, and the bottom of described loudspeaker unit 20 is connected to institute
Stating on supporting part, described loudspeaker unit 20 is used for converting electrical signals to acoustical signal, described loudspeaker unit 20 be described in raise
The sounding component of sound device module.
The top of described upper shell 30 is provided with square groove 31, is located at the second through hole 32 and grafting bottom described square groove 31
At the steel disc 33 within described square groove 31, the bottom of described second through hole 32 is provided with slot 321, described slot 321 with
Described second through hole 32 connects, and described upper shell 30 is connected together with described lower house 10 so that described loudspeaker unit 20
Top card is connected in described slot 321, thus described loudspeaker unit 20 is fixed on described upper shell 30 and described lower casing
In the region that body 10 surrounds.After described upper shell 30, described lower house 10 and described loudspeaker unit 20 are installed and fixed, described
Second through hole 32 is clipped between described steel disc 33 and the top of described loudspeaker unit 20, thus defines a cavity structure,
Described cavity structure is the ante-chamber of described loudspeaker unit 20, the both sides of the most described loudspeaker unit 20 respectively with described upper casing
The back cavity of a described loudspeaker unit 20 is formed between body 30 and described lower house 10.Described steel disc 33 is square structure, institute
State and on any three limits of steel disc 33, be respectively equipped with multiple the first insertion section 331 obliquely, other of described steel disc 33
While be provided with multiple the second insertion section 332 obliquely, one article of limit in the middle of described any three articles of limits be additionally provided with two the 3rd and insert
Entering portion 333, described 3rd insertion section 333 includes the connecting portion obliquely being connected with described steel disc 33 and connects with described connecting portion
The line part connect, described 3rd insertion section 333 is longer than all of described first insertion section 331 and described second insertion section 332.Institute
Described first insertion section 331 having, described second insertion section 332 and described connecting portion are the most outward-dipping.Described square groove 31
Bottom margin be provided with respectively with described first insertion section 331, described second insertion section 332 and the shape of described 3rd insertion section 333
Shape, position and multiple insertion grooves of size coupling, the thickness of described steel disc 33 is consistent with the degree of depth of described square groove 31, described steel
Sheet 33 is plugged in described square groove 31, so that described upper shell 30 seals, and the thickness of the described steel disc 33 owing to arranging
Can freely regulate, the space of the most described ante-chamber can also freely regulate so that the design margin of described speaker module is big.
Described upper shell 30 also includes the first side surface 34 being positioned at outside described upper shell 30, and described first side surface 34 is tilting
Structure, described first side surface 34 be provided with upper casing go out acoustic aperture 341, be located at described upper casing go out acoustic aperture 341 both sides back cavity circulation
Hole 342, described upper casing goes out acoustic aperture 341 and connects with described ante-chamber, for sent at described ante-chamber by described loudspeaker unit 20
Sound wave is derived to described special sound-conducting body 50, and each described back cavity opening 342 correspondence connects with a described back cavity, and being used for will
The sound wave that described loudspeaker unit 20 chamber in the rear sends is derived to described special sound-conducting body 50.
Described two-sided gum foam 40 is bonded on described first side surface 34, the shape of described two-sided gum foam 40 and
Size is corresponding with described first side surface 34 so that described two-sided gum foam 40 can be completely covered described first side surface 34
Non-bore region.
Described special sound-conducting body 50 is connected with described upper shell 30 by described two-sided gum foam 40, uses described two-sided
Gum foam 40 is attached, and on the one hand makes to avoid the occurrence of rigidity between described special sound-conducting body 50 and described upper shell 30 even
The phenomenon connect, effectively avoids resonance risk, improves the stability of installation, on the other hand enormously simplify between the two
Joining Technology, cost-effective.Described special sound-conducting body 50 includes the second side surface 51, is located at leading on described second side surface 51
Sound passage 52 and two phonocatheter roads 53 and the cavity 54 connected with two described phonocatheter roads 53, two described phonocatheter roads 53
The both sides of sound passage 52 are led described in being respectively arranged on.Described second side surface 51 is tilting structure, and described second side surface
The incline direction of 51 is corresponding with the incline direction of described first side surface 34 so that described first side surface 34 and described second side
Fitting completely in surface 51, uses tilting structure can increase contact area and improve mounting stability.Described second side surface 51
It is connected with described first side surface 34 by described two-sided gum foam 40.Described sound passage 52 of leading is for by each other in 90 °
The through-hole structure that is formed by connecting of two holes, and described in lead the sound mouth of sound passage 52 and be positioned at the top of described special sound-conducting body 50
Portion the front towards described speaker module.Described sound passage 52 of leading is consistent with the openings of sizes that described upper casing goes out acoustic aperture 341,
Described sound passage 52 of leading goes out acoustic aperture 341 by described upper casing and connects with described ante-chamber, derives for described upper casing is gone out acoustic aperture 341
Sound wave send out, owing to described sound passage 52 of leading is the through-hole structure being formed by connecting by two holes in 90 ° each other, because of
Transformation 90 degree on described special sound-conducting body 50 front from described speaker module are sent out by the sound wave that this described ante-chamber spreads out of
Go out, solve prior art uses side go out sound that the speaker module of acoustic form sent is 90 ° with auditor's ear
Problem, the most such go out sound mode more meet people and be more likely to just custom to screen when using mobile phone, it is simple to people
To music and the appreciation of video, and owing to described sound passage 52 of leading uses two holes in 90 ° to be each other formed by connecting
Through-hole structure, shortens the conducting path of ante-chamber sound wave, enables ante-chamber sound wave to send with shorter path, efficiently avoid
The phenomenon that the high-frequency cut-off that causes because of ante-chamber Path too long is the most forward.Each described phonocatheter road 53 is corresponding by described in one
Back cavity opening 342 connects with corresponding described back cavity, so that two described back cavities connect with described cavity 54, increases
The rear cavity space of described speaker module, the openings of sizes in each described phonocatheter road 53 all with corresponding described back cavity opening
The openings of sizes of 342 is consistent.Each described back cavity, each described back cavity opening 342 and each described phonocatheter road 53 are
Independent structure, therefore when two described back cavities are connected with described cavity 54 by corresponding passage respectively, will be formed a pair
In parallel leads acoustic form, is conducive to reducing sound impedance.The outside of described cavity 54 is provided with two ends and is the groove of breakthrough status
55, any one end of described groove 55 is provided with the breach 551 of notch cuttype, when described speaker module is arranged on equipment, if
The described groove 55 put and described breach 551 can engage with the shell wall of the shell of described equipment, are conducive to improving the steady of installation
The qualitative sealing with product.
To sum up, in the above embodiment of the present invention, due to two the described phonocatheter roads arranged on described special sound-conducting body 50
53 connect with two described back cavities respectively, and two described phonocatheter roads 53 all connect with described cavity 54 so that two institutes
State back cavity all to connect with described cavity 54, thus raise described in increasing in the case of the volume not increasing described speaker module
The back cavity of sound device unit 20, and then improve the tonequality of described speaker module, meanwhile, when two described back cavities are respectively by right
When the passage answered connects with described cavity 54, lead acoustic form by form a pair parallel connection, for one is led acoustic form, two
Individual acoustic form of leading enables to acoustic impedance reduction half, and the frequency response curve being effectively prevented from described speaker module forms intermediate frequency
The risk of paddy.Moreover, described special sound-conducting body 50 leads what described ante-chamber can be spread out of by sound passage 52 described in setting
Sound wave changes after 90 ° and sends from the front of described speaker module, such go out sound mode more meet people when using mobile phone
Be more likely to the custom just to screen, it is simple to people to music and the appreciation of video, and described in lead sound passage 52 and shorten sound
The conducting path of ripple, can efficiently avoid the phenomenon that the high-frequency cut-off caused because of ante-chamber Path too long is the most forward.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a speaker module, it is characterised in that: include lower house, be arranged on the loudspeaker unit within described lower house,
The upper shell that is connected together with described lower house and be arranged on the special sound-conducting body in described upper shell exterior side surfaces, described in raise
Forming the ante-chamber of described loudspeaker unit between top and the described upper shell of sound device unit, the both sides of described loudspeaker unit are divided
Forming the back cavity of a described loudspeaker unit between other and described upper shell and described lower house, described special sound-conducting body includes
Lead sound passage, be located at described in lead sound passage both sides two phonocatheter roads and the cavity that connects with two described phonocatheter roads, institute
Stating and lead sound passage and connect with described ante-chamber, each described phonocatheter road correspondence connects with a described back cavity.
Speaker module the most according to claim 1, it is characterised in that: described upper shell includes and described special sound-conducting body
The first side surface connected, described first side surface is provided with upper casing and goes out acoustic aperture and be located at described upper casing and go out two of acoustic aperture both sides
Back cavity opening, described in lead sound passage and go out acoustic aperture by described upper casing and connect with described ante-chamber, each described phonocatheter road is corresponding
Connected with corresponding described back cavity by a described back cavity opening.
Speaker module the most according to claim 2, it is characterised in that: described special sound-conducting body includes and described first side
Second side surface of the connection on surface, described second side surface and described first side surface be tilting structure, and described first
Side surface is fitted completely with described second side surface.
Speaker module the most according to claim 3, it is characterised in that: described first side surface is steeped by a two-sided gum
Cotton and described second side surface is connected, and the size and shape of described two-sided gum foam is corresponding with described first side surface.
Speaker module the most according to claim 1, it is characterised in that lead sound passage described in: for by each other in 90 °
The through-hole structure that is formed by connecting of two holes.
Speaker module the most according to claim 1, it is characterised in that: the bottom of described lower house is provided with the first through hole,
The shape of described first through hole is "convex" shaped, and the periphery, edge of described first via top is provided with the supporting part of annular, described
The bottom of loudspeaker unit is connected on described supporting part.
Speaker module the most according to claim 1, it is characterised in that: the top of described upper shell is provided with square groove, position
The second through hole bottom described square groove and be plugged on the steel disc in described square groove, described second through hole is just raised one's voice to described
Device unit.
Speaker module the most according to claim 7, it is characterised in that: described steel disc is square structure, described steel disc
Any three limits are respectively equipped with multiple the first insertion section obliquely, the other limit of described steel disc be provided with multiple obliquely
Second insertion section, one article of limit in the middle of described any three articles of limits is additionally provided with two the 3rd insertion sections, and each described 3rd inserts
Portion all includes the connecting portion obliquely being connected with described steel disc and the line part being connected with described connecting portion.
Speaker module the most according to claim 8, it is characterised in that: all of described first insertion section, described second
Insertion section and described connecting portion are the most outward-dipping, and each described 3rd insertion section is all longer than all of described first insertion section and institute
State the second insertion section.
Speaker module the most according to claim 1, it is characterised in that: the outside of described cavity is provided with two ends and is and passes through
The groove of logical state, any one end of described groove is provided with step-like breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675924.0A CN106162461B (en) | 2016-08-17 | 2016-08-17 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675924.0A CN106162461B (en) | 2016-08-17 | 2016-08-17 | Loudspeaker module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106162461A true CN106162461A (en) | 2016-11-23 |
| CN106162461B CN106162461B (en) | 2021-09-07 |
Family
ID=57330718
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610675924.0A Active CN106162461B (en) | 2016-08-17 | 2016-08-17 | Loudspeaker module |
Country Status (1)
| Country | Link |
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| CN (1) | CN106162461B (en) |
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| CN107948886A (en) * | 2017-11-22 | 2018-04-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN109275082A (en) * | 2018-11-29 | 2019-01-25 | 歌尔股份有限公司 | Loudspeaker mould group |
| CN109275081A (en) * | 2018-11-29 | 2019-01-25 | 歌尔股份有限公司 | Loudspeaker mould group |
| CN117714937A (en) * | 2023-08-02 | 2024-03-15 | 荣耀终端有限公司 | Sound output shell, sound output module and electronic equipment |
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| CN106162461B (en) | 2021-09-07 |
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