CN107948850A - A kind of anti-resonance metal speaker - Google Patents
A kind of anti-resonance metal speaker Download PDFInfo
- Publication number
- CN107948850A CN107948850A CN201610892559.9A CN201610892559A CN107948850A CN 107948850 A CN107948850 A CN 107948850A CN 201610892559 A CN201610892559 A CN 201610892559A CN 107948850 A CN107948850 A CN 107948850A
- Authority
- CN
- China
- Prior art keywords
- metal shell
- plastic parts
- side plate
- speaker
- plastic
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 78
- 239000002184 metal Substances 0.000 title claims abstract description 78
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- 239000003292 glue Substances 0.000 claims abstract description 9
- 239000007769 metal material Substances 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 aluminium Gold Chemical compound 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000005236 sound signal 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention provides a kind of anti-resonance metal speaker, which includes：Metal shell and plastic parts, the metal shell is the ringwall structure of both-side opening inner hollow, the plastic parts is used for the built-in component for placing speaker, the metal shell surrounds the plastic parts, the plastic parts is fixedly connected with metal shell, there is seal in the junction of the plastic parts and metal shell, and the metal shell is internally formed an annular seal space with plastic parts.Change and disperse the resonance frequency point of aluminum hull by the way that aluminum shell wall thickness is irregular, thickness is unequal, noise can be eliminated, make tonequality purer, internal plastic parts uses soft or hard glue double-shot moulding, flexible glue shape is consistent with aluminum hull contact surface shape, is formed annular seal space after being assembled with aluminum shell, can be prevented gas leakage, it ensure that good leakproofness, make sound apparent.
Description
Technical field
The present invention relates to technical field of electronic equipment, more particularly to a kind of anti-resonance metal speaker.
Background technology
In order to improve the class of product and reach appearance requirement, audio class product is usually using metallic material of aluminum as product
Shell.When using aluminium as casing of loudspeaker box, particularly directly it is fitted close with aluminum shell with plastic parts, and forms sealing
Loudspeaker cavity when, it will usually produce vibration phenomenon because aluminum hull resonates, that is, noise makes tonequality not reach requirement.Cause
For aluminum hull speaker at work, when the frequency point of voice signal and the identical frequency point of aluminum hull, aluminum hull will be produced because of resonance
Noise.Therefore, it is badly in need of a kind of can prevent because resonance produces the aluminum metal case speaker of noise, to solve the prior art on the market
Deficiency.
The content of the invention
In order to overcome all deficiencies of existing Related product, the present invention provides a kind of anti-resonance metal speaker, by setting
Wall thickness is irregular meter, the unequal metal shell of thickness changes and disperse the resonance frequency point of aluminum hull, so as to reduce or eliminate aluminium
The covibration of shell, reaches the effect for eliminating noise, makes the tonequality of speaker pure.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of anti-resonance metal speaker, including metal shell and plastic parts, the metal shell are in both-side opening inside
Empty ringwall structure, the plastic parts are used for the built-in component for placing speaker, and the metal shell surrounds the plastic parts, described
Plastic parts is fixedly connected with metal shell, and there is a seal in the junction of the plastic parts and metal shell, the metal shell with
Plastic parts is internally formed an annular seal space.
As a further improvement on the present invention, the metal shell is made of metallic material of aluminum, the metallic material of aluminum
Including aluminium alloy.
As a further improvement on the present invention, the metal shell includes back side plate, and the back side plate includes inner wall
Protrusion, the inner wall protrusion genesis analysis is on the inner wall of the back side plate, and the inner wall protrusion thickness is different, overleaf plate
Skewness on the inner wall of block, the convex resonant frequency for having disperseed the back side plate of the inner wall.
As a further improvement on the present invention, the metal shell further includes front plate, the outer wall of the front plate
Uniform with inner wall thickness, the front plate includes through hole, and the through hole is distributed in uniform amount according to the shape of setting
On the front plate, the hole that amplifies is used to propagate the sound sent inside speaker.
As a further improvement on the present invention, the metal shell further includes first side plate and second side plate,
The first side plate and second side plate are arc block, the both ends of the first side plate respectively with the front plate
Block is fixedly connected with one end of back side plate, the both ends of the second side plate respectively with the front plate and backplate
The other end of block is fixedly connected, and the first side plate includes circular perforate, and the second side plate includes charging hole,
The built-in component that the perforate is used for be placed on plastic parts after plastic parts loading metal shell with charging hole, which provides, to be connect
Mouth space.
As a further improvement on the present invention, the plastic parts includes hard plastic and soft plastic, and the hard plastic carries
The built-in component of speaker, with being fixedly connected inside speaker, the hard plastic is used to prevent what sound box from sending the hard plastic
Sound causes tonequality to be damaged from side diffusion, and is protected the built-in component of speaker, avoids the built-in component of speaker naked
It is exposed in air and is subject to external interference.
As a further improvement on the present invention, the soft plastic is located at the marginal portion of hard plastic and back side plate is connected
Side, the shape of the soft plastic are matched with inner wall protrusion, and the soft plastic is used to fix outside the plastic parts and metal
The connection of shell, plays sealing function, can anti-leak-stopping sound.
As a further improvement on the present invention, the built-in component that the metal shell will be placed on plastic parts and plastic parts
Surround and form an annular seal space.
Compared with prior art, the invention has the advantages that：
The present invention changes and disperses the resonance frequency point of aluminum hull by the way that aluminum shell wall thickness is irregular, thickness is unequal, can disappear
Except noise, make tonequality purer, internal plastic parts uses soft or hard glue double-shot moulding, and flexible glue shape is kept with aluminum hull contact surface shape
Unanimously, annular seal space is formed after being assembled with aluminum shell, gas leakage can be prevented, ensure that good leakproofness, make sound apparent.
Brief description of the drawings
Fig. 1 is the overall structure diagram of one anti-resonance metal speaker of the embodiment of the present invention；
Fig. 2A is the metal shell front schematic view of one anti-resonance metal speaker of the embodiment of the present invention；
Fig. 2 B are the metal shell schematic rear view of one anti-resonance metal speaker of the embodiment of the present invention；
Fig. 3 is the plastic parts sectional view of one anti-resonance metal speaker of the embodiment of the present invention；
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
As shown in fig.1, a kind of anti-resonance metal speaker provided by the invention, which includes metal shell 1 and plastic cement
Part 2, the metal shell 1 are the ringwall structures of both-side opening inner hollow, and the plastic parts 2 is used for the inside member for placing speaker
Part, the size for being dimensioned slightly smaller than the metal shell 1 of the plastic parts 2, the metal shell 1 surround the plastic parts 2, institute
State plastic parts 2 to be fixedly connected with metal shell 1, there are seal 3, the metal in the junction of the plastic parts 2 and metal shell 1
Shell 1 is used to protect the built-in component placed on the plastic parts 2 and plastic parts 2 of inside, while metal shell 1 and plastic parts 2
It is internally formed an annular seal space；The metal shell 1 is made of metal material aluminium, and the metallic material of aluminum is closed including aluminium
Gold.
It is as shown in Figure 2 A the metal shell front schematic view of one anti-resonance metal speaker of the embodiment of the present invention, the metal
Shell 1 includes front plate 11, back side plate 12, first side plate 13 and second side plate 14, the front plate 11,
Both ends of the back side plate 12 respectively with first side plate 13 and second side plate 14 are fixedly connected, and the front plate
11st, the integrally formed metal shell 1 that back side plate 12, first side plate 13 and second side plate 14 are fixedly connected is two
The ringwall structure of side opening inner hollow；The outer wall and inner wall thickness of the front plate 11 are uniform, have on front plate 11
Multiple through holes 111, the through hole 111 can be the various shapes such as box-shaped, circle, and the through hole 111 is according to the quantity of setting
It is evenly distributed on the front plate 11, the shape and quantity of the through hole 111 are configured according to the actual requirements, described
Through hole 111 is used to propagate the sound sent inside speaker；The front plate that the front plate 11 further includes as shown in Figure 2 B lacks
Mouth 112, the front plate notch 112 is symmetrically distributed in the centre position of 11 both sides of the edge of front plate, the front plate
The length and depth of notch 112 and the outline of the marginal portion of the plastic parts 2, ensure that plastic parts 2 and metal shell 1
With reference to compatibility.
The inner wall thickness of the back side plate 12 is unequal, and wall thickness is irregular, and outer wall is put down for smooth as shown in Figure 2 B
Face, thickness are uniform；Include back side plate notch 121 and inner wall protrusion 122 on the inner wall of the back side plate 12；The back side
Plate notch 121 is symmetrically distributed in the centre position of the 12 inner wall both sides of the edge of back side plate, the back side plate notch 121
There are two square shape through holes being recessed inwardly, the length and depth of notch are identical with the profile of the marginal portion of the plastic parts 2, protect
The compatibility after plastic parts 2 is combined with metal shell 1 is demonstrate,proved；Raised 122 genesis analysis of the inner wall are in the back side plate 12
Inner wall on, raised 122 thicknesses of the inner wall are different, overleaf skewness on the inner wall of plate 12, and wave-like is presented,
So that the inner wall wall thickness of the back side plate 12 is irregular, thickness is unequal, the inner wall protrusion 122 and the loudspeaker inside speaker
The cavity at place is connected, and the loudspeaker inside the speaker produce voice signal, the transmission of sound signals to institute by vibrating
During stating back side plate 12, due to the inner wall wall thickness of back side plate 12, in irregular shape, its vibration frequency is disperseed, and
Inner wall is different in versatility and angle, and voice signal is transmitted from single direction, when voice signal reaches back side plate
During 12 inner wall, the cross-sectional area of single face and acoustic contact greatly reduces, therefore the inner wall of back side plate 12 can be with sound
The region that signal resonates is divided, and aluminum hull resonance can be caused to be greatly reduced and the sound produced by horn vibration, from
And reach reduction or eliminate the effect of the covibration of the back side plate 12, the tonequality of speaker is disturbed from noise.It is described
First side plate 13 is arc block, the both ends of the first side plate 13 respectively with the front plate 11 and back side plate
12 one end is fixedly connected, and has multiple circular perforates on the first side plate 13, in the present embodiment, including one
One perforate 131 and four the second perforates 132,131 and second perforate 132 of the first perforate are disposed side by side on the first side
The centre position of plate 13, the quantity and diameter of 131 and second perforate 132 of the first perforate carry out according to the actual requirements
Set, the built-in component that the perforate is used for be placed on plastic parts 2 after plastic parts 2 loads metal shell 1 provides interface sky
Between.
The second side plate 14 is also arc block, the both ends of the second side plate 14 respectively with the front plate
Block 11 is fixedly connected with the other end of back side plate 12, is provided with charging hole 141, institute on second side plate 14 as shown in Figure 2 B
It is corresponding with the charging interface in plastic parts 2 to state the size of charging hole 141, for when plastic parts 2 loads metal shell 1 by plastic cement
Charging interface in part 2 provides per-interface space.
The plastic parts sectional view of one anti-resonance metal speaker of the embodiment of the present invention is illustrated in figure 3, the plastic parts 2 is used for
The built-in component of speaker, the size for being dimensioned slightly smaller than the metal shell 1 of the plastic parts 2 are placed, the metal shell 1 wraps
The plastic parts 2 is enclosed, the plastic parts 2 is fixedly connected with metal shell 1, and the plastic parts 2 uses double-shot moulding, including hard plastic
Glue 21 and soft plastic 22；The hard plastic 21 carries the built-in component of speaker, and the hard plastic 21 passes through in screw and speaker
Portion is fixedly connected, and the screw is located at the centre position of two sides of the hard plastic 21, and the quantity of the screw is according to reality
Border situation is configured, and the hard plastic 21 is protected the built-in component of speaker, avoids the built-in component of speaker from being exposed to
It is subject to external interference in air, the sound sent prevented also from sound box 3 causes tonequality to be damaged from side diffusion；It is described soft
Plastic cement 22 is located at the marginal portion for two sides being connected in hard plastic 21 with back side plate 12, the shape of the soft plastic 22 and
Profile is matched with inner wall protrusion 122, when the plastic parts 2 is pushed into metal shell 1, the soft plastic 22 and back side plate
12 are in close contact, and form seal 3, and by pressing the seal 3, the soft plastic 22 can make fixed plastic parts 2 and gold
The bonding and fixation, the soft plastic 22 for belonging to shell 1 play sealing function, can anti-leak-stopping sound.
The metal shell 1 by the built-in component placed on plastic parts 2 and plastic parts 2 surround, while metal shell 1 with
Plastic parts 2 is internally formed an annular seal space, and sealing is formed by the soft plastic 22 and combining closely for the back side plate 12
Mouthfuls 3 so that the annular seal space has good leakproofness, the sound hole 12 that is concentrated through amplifying is sent, ensure that sound
Good quality；Annular seal space is formed such that the built-in component of speaker is in the space of sealing, can effectively alleviate low cut,
Enable the effective eradiation of bass, therefore sound can reach more preferable effect.
The present invention changes and disperses the resonance frequency point of aluminum hull by the way that aluminum shell wall thickness is irregular, thickness is unequal, can disappear
Except noise, make tonequality purer, internal plastic parts uses soft or hard glue double-shot moulding, and flexible glue shape is kept with aluminum hull contact surface shape
Unanimously, annular seal space is formed after being assembled with aluminum shell, gas leakage can be prevented, ensure that good leakproofness, make sound apparent.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention and from above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (8)
- A kind of 1. anti-resonance metal speaker, it is characterised in that including：Metal shell and plastic parts, the metal shell are both sides The hollow ringwall structure of open interior, the plastic parts are used to place the built-in component of speaker, described in the metal shell surrounds Plastic parts, the plastic parts are fixedly connected with metal shell, and there is seal in the junction of the plastic parts and metal shell, described Metal shell is internally formed an annular seal space with plastic parts.
- 2. anti-resonance metal speaker according to claim 1, it is characterised in that：The metal shell uses metallic material of aluminum It is made, the metallic material of aluminum includes aluminium alloy.
- 3. anti-resonance metal speaker according to claim 1, it is characterised in that：The metal shell includes back side plate, The back side plate includes inner wall protrusion, and the inner wall protrusion genesis analysis is on the inner wall of the back side plate, the inner wall Raised thickness is different, overleaf uneven distribution on the inner wall of plate.
- 4. anti-resonance metal speaker according to claim 3, it is characterised in that：The metal shell further includes front plate Block, the outer wall and inner wall thickness of the front plate are uniform, and the front plate includes through hole, and the through hole is according to the shape of setting Shape is distributed on the front plate with uniform amount, and the hole that amplifies is used to propagate the sound sent inside speaker.
- 5. anti-resonance metal speaker according to claim 4, it is characterised in that：The metal shell further includes first side Plate and second side plate, the first side plate and second side plate are arc block, the first side plate The one end of both ends respectively with the front plate and back side plate is fixedly connected, the both ends of the second side plate respectively with The front plate is fixedly connected with the other end of back side plate, and the first side plate includes circular perforate, and described Two side faces plate includes charging hole, and it is plastic parts that the perforate is used to load after metal shell in the plastic parts with charging hole The built-in component of placement provides per-interface space.
- 6. anti-resonance metal speaker according to claim 1, it is characterised in that：The plastic parts includes hard plastic and soft modeling Glue, the hard plastic carry the built-in component of speaker, and with being fixedly connected inside speaker, the hard plastic is used for the hard plastic Prevent the sound that sound box is sent from side diffusion.
- 7. anti-resonance metal speaker according to claim 6, it is characterised in that：The soft plastic is located at the edge of hard plastic The side that part is connected with back side plate, the shape of the soft plastic are matched with inner wall protrusion, and the soft plastic is used for solid The connection of the fixed plastic parts and metal shell.
- 8. anti-resonance metal speaker according to claim 1, it is characterised in that：The metal shell is by plastic parts and modeling The built-in component placed on glue part surrounds to form an annular seal space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892559.9A CN107948850B (en) | 2016-10-12 | 2016-10-12 | Anti-resonance metal loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892559.9A CN107948850B (en) | 2016-10-12 | 2016-10-12 | Anti-resonance metal loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107948850A true CN107948850A (en) | 2018-04-20 |
| CN107948850B CN107948850B (en) | 2020-08-14 |
Family
ID=61928916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892559.9A Active CN107948850B (en) | 2016-10-12 | 2016-10-12 | Anti-resonance metal loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107948850B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640215A (en) * | 2018-12-13 | 2019-04-16 | 宁波市海曙百纳音响有限公司 | Bass sound equipment |
| CN109862464A (en) * | 2018-12-13 | 2019-06-07 | 宁波市海曙百纳音响有限公司 | A kind of sound equipment |
| CN114268861A (en) * | 2021-12-28 | 2022-04-01 | 深圳市捷美斯实业有限公司 | Conference sound box |
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| CN202535529U (en) * | 2012-03-22 | 2012-11-14 | 东莞正阳电子有限公司 | Loudspeaker with anti-resonance effect |
| CN202979217U (en) * | 2012-11-09 | 2013-06-05 | 宁波市鄞州奥创电子有限公司 | Sound box equipment anti-resonance shock pad adjustable device |
| US20130243237A1 (en) * | 2012-03-16 | 2013-09-19 | Hon Hai Precision Industry Co., Ltd. | Electronic device with anti-resonance structure |
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| CN204350232U (en) * | 2014-12-17 | 2015-05-20 | 黑龙江真美广播通讯器材有限公司 | A kind of shockproof anti-interference audio amplifier |
| CN105376682A (en) * | 2015-12-11 | 2016-03-02 | 天津洪波电子集团有限公司 | High-frequency loudspeaker for desktop loudspeaker |
| CN105916078A (en) * | 2016-06-29 | 2016-08-31 | 广东欧珀移动通信有限公司 | Audio structure and electronic device |
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2016
- 2016-10-12 CN CN201610892559.9A patent/CN107948850B/en active Active
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| US20130243237A1 (en) * | 2012-03-16 | 2013-09-19 | Hon Hai Precision Industry Co., Ltd. | Electronic device with anti-resonance structure |
| CN202535529U (en) * | 2012-03-22 | 2012-11-14 | 东莞正阳电子有限公司 | Loudspeaker with anti-resonance effect |
| CN202979217U (en) * | 2012-11-09 | 2013-06-05 | 宁波市鄞州奥创电子有限公司 | Sound box equipment anti-resonance shock pad adjustable device |
| CN203761536U (en) * | 2014-02-22 | 2014-08-06 | 陈宏伟 | Window bidirectional interphone outer sound box body structure |
| CN204350232U (en) * | 2014-12-17 | 2015-05-20 | 黑龙江真美广播通讯器材有限公司 | A kind of shockproof anti-interference audio amplifier |
| CN105376682A (en) * | 2015-12-11 | 2016-03-02 | 天津洪波电子集团有限公司 | High-frequency loudspeaker for desktop loudspeaker |
| CN105916078A (en) * | 2016-06-29 | 2016-08-31 | 广东欧珀移动通信有限公司 | Audio structure and electronic device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640215A (en) * | 2018-12-13 | 2019-04-16 | 宁波市海曙百纳音响有限公司 | Bass sound equipment |
| CN109862464A (en) * | 2018-12-13 | 2019-06-07 | 宁波市海曙百纳音响有限公司 | A kind of sound equipment |
| CN114268861A (en) * | 2021-12-28 | 2022-04-01 | 深圳市捷美斯实业有限公司 | Conference sound box |
| CN114268861B (en) * | 2021-12-28 | 2023-03-24 | 深圳市捷美斯实业有限公司 | Conference sound box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107948850B (en) | 2020-08-14 |
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