CN109040918A - A kind of audio cavity structure and electronic equipment - Google Patents
A kind of audio cavity structure and electronic equipment Download PDFInfo
- Publication number
- CN109040918A CN109040918A CN201810757167.0A CN201810757167A CN109040918A CN 109040918 A CN109040918 A CN 109040918A CN 201810757167 A CN201810757167 A CN 201810757167A CN 109040918 A CN109040918 A CN 109040918A
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- Prior art keywords
- platelet
- support frame
- body support
- casing body
- cavity structure
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- 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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- 210000000988 bone and bone Anatomy 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 210000003455 parietal bone Anatomy 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention relates to technical field of electronic equipment, a kind of audio cavity structure and electronic equipment are disclosed.Audio cavity structure of the invention includes upper casing body support frame, lower casing body support frame, loudspeaker and platelet, it is characterized in that, the first cavity and the second cavity being disposed adjacent are formed between the upper casing body support frame, lower casing body support frame, the loudspeaker and the platelet are respectively in first cavity and the second cavity, and be electrically connected between the loudspeaker and the platelet, the platelet, the loudspeaker and the upper casing body support frame enclose a sound cavity space.Electronic equipment of the invention includes body and above-mentioned audio cavity structure.Audio cavity structure and electronic equipment of the invention can have the superiority of thickness and audio simultaneously, and will not additionally increase manufacturing cost.
Description
Technical field
The present invention relates to technical field of electronic equipment, more particularly, to a kind of audio cavity structure applied to electronic equipment and
Electronic equipment.
Background technique
An important factor for major function of mobile phone has voice communication, plays audio, and the sound chamber of mobile phone is influence mobile phone sound quality,
The sound quality that different audio cavity structure plays has a very big difference, however present intelligent mobile phone shows and more and more thinner becomes
Gesture, under the premise of meeting the configuration of mobile phone height, big battery, the volume for leaving sound chamber for is extremely limited, if using conventional sound chamber
Structure, sound cavity volume needed for being unable to reach mobile phone at all, and in order to guarantee mobile phone high tone quality, and must assure that enough size
Sound cavity space.
Currently, common Mobile telephone sonic cavity structure is divided into two kinds in the market: full BOX audio cavity structure and half BOX audio cavity structure.
Full BOX audio cavity structure generally comprises preceding sound chamber lid plate, rear sound chamber lid plate and loudspeaker, in preceding sound chamber lid plate with after
Speaker seal space is constituted between sound chamber lid plate, the complex process of the audio cavity structure of this type, cost input is high, generally answers
With on high-grade machine, and this structure is used in general low and middle-grade machines, necessarily cause cost excessively high, the development cycle is too long to ask
Topic.
Half BOX audio cavity structure includes bracket, loudspeaker, platelet and encloses bone, and half BOX audio cavity structure is generally independent by loudspeaker
It is clipped in platelet and one side is enclosed among bone, push down individual loudspeaker, platelet with bracket and enclose bon e formation sound cavity space, this knot
Structure loudspeaker is arranged on platelet, causes the height of sound chamber entirety to increase, does not meet the frivolous trend of mobile phone complete machine.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of audio cavity structure, using half BOX audio cavity structure, loudspeaking
Device and platelet plane are shifted to install respectively in the first cavity and the second cavity, reduce the thickness of sound chamber, and using saving
Sound chamber volume is done in the inner space got off, and sound chamber volume is made to be optimal sound quality volume requirement.
The present invention also provides a kind of electronic equipment to have more preferable thin thickness, more preferably sound using above-mentioned audio cavity structure
Matter effect.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of audio cavity structure, including upper housing branch
Frame, lower casing body support frame, loudspeaker and platelet, which is characterized in that form adjacent set between the upper casing body support frame, lower casing body support frame
The first cavity and the second cavity set, the loudspeaker and the platelet are respectively in first cavity and second cavity
In, and be electrically connected between the loudspeaker and the platelet, the platelet, the loudspeaker and the upper casing body support frame enclose
Synthesize a sound cavity space.
As a further improvement of the above technical scheme, the first sealing is equipped between the upper casing body support frame and the platelet
Part, after the upper casing body support frame, lower case bracket assembled, the first seal is pressed on described by the upper casing body support frame
On platelet, to realize the sealed connection of the upper casing body support frame and the platelet.
As a further improvement of the above technical scheme, the first seal is arranged along the periphery of the platelet, and
The side of the loudspeaker is provided with opening.
As a further improvement of the above technical scheme, it is provided with and encloses along the periphery of the platelet on the lower casing body support frame
Bone, the upper surface of the platelet and the upper surface for enclosing bone are contour.
As a further improvement of the above technical scheme, it is provided with and encloses along the periphery of the platelet on the lower casing body support frame
Bone is embedded with second seal between the side wall for enclosing bone and the side wall of the platelet.
As a further improvement of the above technical scheme, it is described enclose be respectively equipped in bone and the second seal one section to
The auxiliary that the upper casing body support frame stretches out assembles bone, to increase the mounting height of the second seal.
As a further improvement of the above technical scheme, it is additionally provided with parietal bone on the upper casing body support frame, the platelet
Side is equipped with groove, and the parietal bone is embedded in the groove, to limit the displacement of the platelet in the horizontal direction.
As a further improvement of the above technical scheme, positioning column, the platelet are additionally provided on the upper casing body support frame
It is equipped with location hole, the positioning column is plugged on the positioning hole, to limit the displacement of the platelet in a longitudinal direction.
As a further improvement of the above technical scheme, buckle is fixedly provided on the upper casing body support frame, the buckle is set
In the platelet periphery, to limit the displacement of the platelet in the vertical direction.
The present invention also provides a kind of electronic equipment, including body and audio cavity structure as described above, the audio cavity structures
It is fixedly arranged in the body.
The beneficial effects of the present invention are:
Audio cavity structure of the invention, by loudspeaker and platelet using the structure setting of dislocation, loudspeaker setting is in the first chamber
In vivo, platelet is set in the second cavity, and the two is electrically connected, and compared to traditional audio cavity structure, is reduced on the whole one small
The thickness of plate, can accomplish thinner, and can use the internal space design sound chamber volume saved, make sound chamber sound quality volume
Effect is more preferable.
Electronic equipment of the invention uses half above-mentioned BOX audio cavity structure, the available further drop of electronic equipment thickness
It is low, and sound chamber volume is done using the inner space saved, meet the needs of sound chamber sound quality volume.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overlooking structure diagram of audio cavity structure of the invention；
Fig. 2 is the longitudinal cross-section schematic diagram of Fig. 1；
Fig. 3 is the structural schematic diagram at platelet sealing；
Fig. 4 is the structural schematic diagram at another visual angle Fig. 3；
Fig. 5 is the structural schematic diagram of another embodiment of the audio cavity structure of Fig. 4；
The top view of another embodiment of audio cavity structure Fig. 6 of the invention；
Fig. 7 is the partial enlarged view in Fig. 6 at A；
Fig. 8 is the partial enlarged view in Fig. 6 at B.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as up, down, left, right, before and after used in invention are only relative to the mutual of each component part of the invention in attached drawing
For positional relationship.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the present invention.Term " and or " used herein includes the arbitrary of one or more relevant listed items
Combination.
Referring to Fig.1 with Fig. 2, audio cavity structure of the invention includes upper casing body support frame 1, lower casing body support frame 2, loudspeaker 3, platelet
4 and switching FPC5.
Upper casing body support frame 1 is set to the top of lower casing body support frame 2, and upper casing body support frame 1 and lower casing body support frame 2 enclose the sound chamber
The general frame of structure, and the first adjacent cavity 10, the second cavity are formed between upper casing body support frame 1, lower casing body support frame 2
11, loudspeaker 3 is set in the first cavity 10, and platelet 4 is set in the second cavity 11, is provided between loudspeaker 3 and platelet 4
FPC5, FPC5 are electrically connected with loudspeaker 3 and platelet 4 respectively, so that loudspeaker 3 and platelet 4 are electrically connected, loudspeaking
A sound cavity space 6 is enclosed between device 3, platelet 4 and upper casing body support frame 1, the sound that loudspeaker 3 generates is transmitted to sound cavity space 6
In, so that sound quality volume is got a promotion by the processing of sound cavity space 6.In the present embodiment, since loudspeaker 3 and platelet 4 are set respectively
In the first cavity 10, the second cavity 11, the two is arranged by the way of dislocation, compared to traditional electronic equipment sound chamber knot
Structure, which reduce the thickness of a platelet, whole thinner of sound chamber, and can use the internal space design saved
Sound chamber volume makes sound chamber volume meet the requirement of sound quality volume.
The structure that audio cavity structure of the invention is shifted to install using loudspeaker 3 and platelet 4, the sealing of sound cavity space 6 just at
Vital link.In the present embodiment, it is equipped with first seal 40 between upper casing body support frame 1 and platelet 4, works as upper housing
After bracket 1, lower casing body support frame 2, platelet 4 assemble, first seal 40 is pressed on platelet 4 by upper casing body support frame 1, utilizes first
To the characteristic of peripheral expansion after 40 stress of sealing element, guarantee the leakproofness between upper casing body support frame 1 and platelet 4.
First seal 40 is arranged along the periphery of platelet, and is equipped with opening, 4 direction of platelet in the side towards loudspeaker 3
The side of loudspeaker 3 is to realize it by compressing between 3 three of upper casing body support frame 1, lower casing body support frame 2 and loudspeaker closely
Sealing can be transferred in sound cavity space 6 with the sound for guaranteeing that loudspeaker 3 generates.
In order to realize the positioning support of platelet 4, lower casing body support frame 2 is provided with along the periphery of platelet 4 encloses bone 20, to ensure
One sealing element 40 is capable of the periphery surface of consistent seal platelet 4, encloses the high settings such as the upper surface of 20 upper surface of bone and platelet 4.
In addition, certain gap, generally 5mm or so can be had by enclosing in actual installation between bone 20 and platelet 4, for this purpose,
Platelet 4 side and enclose insertion second seal 7 in gap between bone 20 and be sealed, second seal 7 is flexible material
Material, such as silica gel, rubber, carbon fiber.
In common audio cavity structure, the thickness of platelet 4 is generally in 0.5mm or so, in this way, the side of platelet 4 and lower case
Gap location between bracket 2 generally only has the height of 0.5mm or so, this causes trouble to the sealing of second seal 7, to solve
This problem in the present embodiment, in second seal 7 and encloses and is fixedly provided with auxiliary assembly bone 8 on bone 20, two auxiliary assembly bones
The equal in magnitude of gap between bone 8 is enclosed in gap between 8 and the side of platelet 4, assembles bones 8 for platelet 4 by two auxiliary
Side to the elevated height in the gap between lower casing body support frame 2, facilitate 7 pairs of the two of second seal to be sealed.
Preferably, the periphery of platelet 4 is additionally provided with a circle silk-screen seal area 41, and silk-screen seal area 41 is first seal
The region of 40 fitting platelets 4.
If Fig. 6 to Fig. 8 is illustrated the direction of audio cavity structure with reference first to Fig. 6, X-axis direction table in Fig. 6
Show that the horizontal direction of audio cavity structure, Y-axis direction indicate the longitudinal direction of audio cavity structure, perpendicular to plane where X-axis and Y-axis
Direction indicate the vertical direction of audio cavity structure, in the present embodiment, parietal bone 12 is fixedly provided on upper casing body support frame 1, parietal bone 12 is set
The two sides of platelet 4 are placed in, the side of platelet 4 is equipped with groove, and parietal bone 12 is embedded in groove, for limiting platelet in the horizontal direction
On displacement.
Further, positioning column 13, circumferential distribution of the positioning column 13 along platelet 4, platelet are fixedly provided on upper casing body support frame 1
4 are equipped with location hole, and positioning column 13 is plugged on positioning hole, to limit the displacement of platelet 4 in a longitudinal direction.
Further, buckle 14 is fixedly provided on bracket 1, buckle 14 is set to the periphery of platelet 4, when platelet 4 is mounted on
When on bracket 1, platelet 4 is buckled up on upper casing body support frame 1 by buckling 12 on upper casing body support frame 1, to prevent platelet 4 perpendicular
The offset of position occurs upwards for histogram.
In the present invention, it ensure that the level and longitudinal stationary positioned of platelet 4 by parietal bone 12 and positioning column 13, guarantee small
Gap between the side and lower casing body support frame 2 of plate 4 for platelet 4 and encloses the excellent sealing between bone and provides advantageous environment,
The fixation of 4 vertical direction of platelet is further ensured by buckle 12, and then ensure that platelet 4 is all consolidated on three-dimensional
It is fixed.
In the present embodiment, the electric components for supporting sound chamber to work are fixedly provided on platelet 4, to guarantee the sound chamber knot
The works fine of structure.
The present invention also provides a kind of electronic equipment comprising body and above-mentioned audio cavity structure, the audio cavity structure are fixed
In in body, which can further decrease thickness, while can also ensure that the acoustical quality of electronic equipment, in addition,
The manufacturing cost of electronic equipment can't additionally be increased.
It is to be illustrated to what preferable implementation of the invention carried out, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of audio cavity structure, including upper casing body support frame, lower casing body support frame, loudspeaker and platelet, which is characterized in that the upper casing
The first cavity and the second cavity being disposed adjacent, the loudspeaker and the platelet point are formed between body support frame, lower casing body support frame
It is listed in first cavity and second cavity, and is electrically connected between the loudspeaker and the platelet, the platelet,
The loudspeaker and the upper casing body support frame enclose a sound cavity space.
2. audio cavity structure according to claim 1, which is characterized in that be equipped between the upper casing body support frame and the platelet
First seal, after the upper casing body support frame, lower case bracket assembled, the upper casing body support frame is by the first seal pressure
Tightly on the platelet, to realize the sealed connection of the upper casing body support frame and the platelet.
3. audio cavity structure according to claim 2, which is characterized in that the first seal is set along the periphery of the platelet
It sets, and the side towards the loudspeaker is provided with opening.
4. audio cavity structure according to claim 3, which is characterized in that along the periphery of the platelet on the lower casing body support frame
It is provided with and encloses bone, the upper surface of the platelet and the upper surface for enclosing bone are contour.
5. audio cavity structure according to claim 4, which is characterized in that along the periphery of the platelet on the lower casing body support frame
It is provided with and encloses bone, be embedded with second seal between the side wall for enclosing bone and the side wall of the platelet.
6. audio cavity structure according to claim 5, which is characterized in that described enclose sets respectively in bone and the second seal
There is one section of auxiliary stretched out to the upper casing body support frame to assemble bone, to increase the mounting height of the second seal.
7. audio cavity structure according to any one of claims 1-5, which is characterized in that also set up on the upper casing body support frame
There is parietal bone, the side of the platelet is equipped with groove, and the parietal bone is embedded in the groove, to limit the platelet in level side
Upward displacement.
8. audio cavity structure according to any one of claims 1-5, which is characterized in that also set up on the upper casing body support frame
There is positioning column, the platelet is equipped with location hole, and the positioning column is plugged on the positioning hole, to limit the platelet vertical
Displacement on direction.
9. audio cavity structure according to any one of claims 1-5, which is characterized in that also fixed on the upper casing body support frame
There is buckle, the buckle is set to the platelet periphery, to limit the displacement of the platelet in the vertical direction.
10. a kind of electronic equipment, which is characterized in that including body and the audio cavity structure as described in any one of claim 1-9,
The audio cavity structure is fixedly arranged in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757167.0A CN109040918B (en) | 2018-07-11 | 2018-07-11 | Sound cavity structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757167.0A CN109040918B (en) | 2018-07-11 | 2018-07-11 | Sound cavity structure and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109040918A true CN109040918A (en) | 2018-12-18 |
| CN109040918B CN109040918B (en) | 2021-03-30 |
Family
ID=64641921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757167.0A Expired - Fee Related CN109040918B (en) | 2018-07-11 | 2018-07-11 | Sound cavity structure and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109040918B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112468905A (en) * | 2020-11-27 | 2021-03-09 | Oppo广东移动通信有限公司 | Sound cavity assembly and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729613A (en) * | 2008-10-16 | 2010-06-09 | 英华达(上海)电子有限公司 | Sound arrester of portable equipment and installation method thereof |
| US20130100779A1 (en) * | 2011-10-24 | 2013-04-25 | Electronics & Telecommunications Research Institute | Acoustic sensor and fabrication method thereof |
| CN204069237U (en) * | 2014-07-01 | 2014-12-31 | 深圳市金立通信设备有限公司 | Audio cavity structure and there is the terminal of this audio cavity structure |
| CN107197398A (en) * | 2017-06-21 | 2017-09-22 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
| CN206524958U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | A kind of sound-producing device |
-
2018
- 2018-07-11 CN CN201810757167.0A patent/CN109040918B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729613A (en) * | 2008-10-16 | 2010-06-09 | 英华达(上海)电子有限公司 | Sound arrester of portable equipment and installation method thereof |
| US20130100779A1 (en) * | 2011-10-24 | 2013-04-25 | Electronics & Telecommunications Research Institute | Acoustic sensor and fabrication method thereof |
| CN204069237U (en) * | 2014-07-01 | 2014-12-31 | 深圳市金立通信设备有限公司 | Audio cavity structure and there is the terminal of this audio cavity structure |
| CN206524958U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | A kind of sound-producing device |
| CN107197398A (en) * | 2017-06-21 | 2017-09-22 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112468905A (en) * | 2020-11-27 | 2021-03-09 | Oppo广东移动通信有限公司 | Sound cavity assembly and electronic device |
| CN112468905B (en) * | 2020-11-27 | 2023-03-14 | Oppo广东移动通信有限公司 | Sound cavity assembly and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109040918B (en) | 2021-03-30 |
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Granted publication date: 20210330 |