CN102547496B - Fixed structure of loudspeaker unit of thin-type speaker box - Google Patents
Fixed structure of loudspeaker unit of thin-type speaker box Download PDFInfo
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- CN102547496B CN102547496B CN201110458780.0A CN201110458780A CN102547496B CN 102547496 B CN102547496 B CN 102547496B CN 201110458780 A CN201110458780 A CN 201110458780A CN 102547496 B CN102547496 B CN 102547496B
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Abstract
The invention discloses a fixed structure of a loudspeaker unit of a thin-type speaker box, comprising a thin-type speaker box body and a loudspeaker arranged inside the speaker box, wherein a panel of the thin-type speaker box body is provided with an opening cooperating with an sound cone of the loudspeaker; a closed back board is installed in the back of the speaker box; a fixed board fixed with a cone frame is installed at rear of the loudspeaker; the area of the fixed board covers the projection of the loudspeaker on the fixed board; the back board is provided with a back board hole for allowing the sound cone to pass through; and seal treatments are performed between the sound cone and the panel, as well as between the fixed board and the back board keep respectively. The technical scheme not only effectively utilizes the thickness of the back board to improve the effective thickness of the loudspeaker, but also greatly facilitates the assembling, maintaining and changing of the loudspeaker unit.
Description
Technical field
The present invention relates to a kind of fixed structure that is applied to loudspeaker unit of thin-type speaker box.
Background technology
Digital device, multimedia equipment, no matter be household or portable product, its overall panelized trend is more and more obvious.Under normal circumstances, this kind equipment all has display screen, to meet the multimedia demand of vision, therefore, the trend of this class panelized, the inevitable size taking screen itself of its entirety is as target, make the volume of all parts more and more less, more and more thinner, its outward appearance can not obtained too much than screen itself is not large.
Under such trend, that first the structure of electronic component can accomplish is small-sized, thinning to be to reach target, but have some device interior accessories, device in reduced volume, especially particularly a certain yardstick attenuation aspect seems very difficult, is exactly the most significantly the speaker system of equipment.Generally, simple magnetic speaker, send the middle bass part effect non-constant that often seems by the vibration of its sound basin in this panelized equipment scheme, this is because compare the sound wave of low frequency, compared with the distance on its wavelength and sound basin two sides, the latter almost can ignore, so this part sound wave nearly all can not be had effect spread by short circuit.For this reason, usually this class speaker system is installed additional to the thin type speaker with paraphase function, such as improving wherein bass effect.
Just in the equipment of panelized; these improve, and always effect is not good enough; because the setting height(from bottom) that thin type speaker inside is very limited; make the height of magnetic speaker be subject to strict restriction; conventionally can arrive tens millimeters even within ten millimeters, and the installation and maintenance of this class loud speaker seems more difficult; because after thin type speaker sealing, loud speaker is cannot check arbitrarily and change therein.So, generally seal the limitation that thin type speaker has, just display aspect two at this, become the obstacle of this class panelized device speaker System Development.
Summary of the invention
For the limitation of above thin type speaker, the present invention proposes a kind of fixed structure of loudspeaker unit of thin-type speaker box, and its technical scheme is as follows:
The fixed structure of loudspeaker unit of thin-type speaker box, comprises the loud speaker of a thin type speaker body and Qi Nei; This thin type speaker dignity plate has the opening that coordinates loudspeaker cone mouth, and the back side has the backboard of sealing; Described loud speaker rear end has a fixed head fixing with its sound basin frame, loud speaker projection thereon described in the area covering of this fixed head; And
On described backboard, there is the back plate aperture of allowing that described sound basin mouth passes, and, between described sound basin mouth and described panel, between described fixed head and described backboard, keep respectively sealing.
As the preferred person of the technical program, can aspect as follows, there is improvement:
In one preferred embodiment, the bottom surface of described fixed head and described loud speaker rear end face are coplanar.
In one preferred embodiment, described loud speaker rear end face exceeds outside the bottom surface of described fixed head.
In one preferred embodiment, described back plate aperture outer rim has the step edge coordinating with described fixed head; The degree of depth of described step edge is not less than described fixed head thickness; Technically can also derive an example at this: described fixed head has an inward flange coordinating with described fixing hole inner edge side.
In one preferred embodiment, described fixed head and described backboard bearing have the structure of the reference column that is simultaneously fixed on described panel; A derivative scheme on this basis, described exactly reference column is fixedly arranged between described panel and backboard; Described fixed head is simultaneously fixing by sunk screw and described reference column and backboard.
In one preferred embodiment, described fixed head and described backboard cooperation place have sealing ring; On this basis
In one preferred embodiment, described fixed head and the described sound basin mouth Plane intersects at place separately.
In one preferred embodiment, described fixed head and described sound basin the mouth separately plane at place are parallel to each other.
The beneficial effect that the present invention brings is:
1. loud speaker rear end is arranged to fixed head and backboard fixes, utilized substantially the original thickness of backboard, can obtain the effective thickness that loud speaker is larger, thereby its performance can be greatly improved, in the thickness range of thin type speaker, tonequality promotes obviously, particularly middle bass part.
2. loud speaker rear end is arranged to fixed head and backboard fixes, the mode that makes loudspeaker cone insert backboard is installed, and greatly facilitates the I& M of audio amplifier entirety, because loudspeaker unit can with audio amplifier separating treatment, finally assemble again fixing simple and fast, simultaneously convenient disassembly.
3. the relativeness of fixed head and sound basin frame, conveniently stretches out backboard processing by loud speaker rear end, adapts to different occasions, promotes to greatest extent loud speaker effective thickness, can make audio amplifier and loudspeaker unit modularized processing, has good applicability.
4. fixed head matches with the step edge of backboard, and the forms such as inward flange easy to use and sealing ring obtain good encapsulation scheme.
Brief description of the drawings
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Fig. 1 is the fixed structure of existing general thin type speaker;
Fig. 2 is the embodiment of the present invention one schematic diagram;
Fig. 3 is the embodiment of the present invention two schematic diagrames;
Fig. 4 is the embodiment of the present invention three schematic diagrames;
Fig. 5 is the embodiment of the present invention four schematic diagrames;
Fig. 6 is the embodiment of the present invention five schematic diagrames.
Embodiment
Embodiment mono-:
As shown in Figure 2, the present embodiment schematic diagram, Fig. 1 is the structure of general thin type speaker, describes in conjunction with this two figure:
As Fig. 1, the loudspeaker unit fixed structure of general thin type speaker, panel 10 and backboard 20 are parallel to each other, have retrained the thickness of whole sound box bodies; On panel 10, there is opening 11, allow the external sounding of loud speaker 30 its sound basin mouth 35 in it.Backboard 20 is totally enclosed type, for ensureing that whole audio amplifier can be placed in the affined slim space of upper and lower thickness, the inner face 24 of backboard 20 has been close to the rear end face 36 of loud speaker 30 its sound basin framves 34, visible, the effective thickness H that loud speaker 30 is own, can not be greater than the distance of backboard 20 inner faces 24 to panel 10 lateral surfaces.Under the limited prerequisite of the thickness of whole audio amplifier, these those length that disappear of the effective thickness of the thickness of backboard 20 and loud speaker 30.That is to say, the thickness of backboard 20 cannot utilize---because of the application at this thin type speaker, its loud speaker effective thickness usually reaches tens millimeters, from the principle of magnetic speaker, sound basin 31 is under the driving of coil 32, with together vibration sounding of bullet ripple 33, and, its direction of vibration all with audio amplifier thickness in the same way---within the effective thickness deviation 1-3 millimeter of loud speaker 30, it is very large that the effect of its loud speaker all can differ, because the amplitude of sound basin 31 itself is within this deviation, its electroacoustic performance difference is fairly obvious.
As Fig. 1, the schematic diagram of the embodiment of the present invention one, for obtaining more clearly comparative result, the sound basin frame 34 of panel 10 and loud speaker 30 in this figure, sound basin mouth 35 are identical with the general fixed structure shown in Fig. 1, and its panel 10 is also identical with the spacing of backboard 20; Different is, there is an affixed fixed head 37 with it at rear end face 36 places of loud speaker 30 sound basin framves 34, these fixed head 37 bottom surfaces, flush with the rear end face 36 of loud speaker 30 and the bottom surface 23 of backboard 20, visible, the effective depth H of loud speaker 30 is than shown in Fig. 1, obviously how backboard 20 thickness T, if H value is 12mm, and T is 2.5mm, so, with regard to the thin speaker 30 in this field, the effective thickness of this 2.5mm can be greatly improved its performance, as mentioned above, because its amplitude range obtains the lifting of significant proportion.Panel 10 under similarity condition and backboard 20, but can obtain better effect with the loud speaker of performance notable difference 30, so, this programme has utilized backboard 20 thickness substantially, allow the loud speaker 30 of the larger sound basin of application amplitude, in the thickness range of thin type speaker, this lifting is obvious.
Fixed head 37 is than the larger closed material sheet material of loud speaker 30 sound basin mouth 35 diameters, as can be seen from Figure 2, as the entirety of fixed head 37 and loud speaker 30, its assembling can from backboard 20 below along the direction shown in hollow arrow, insert the fixing hole 21 of backboard 20, to such an extent as to make between the sound basin mouth 35 and panel opening 11 of loud speaker 30, between fixed head 37 outer rims and backboard 20 step edges 22, complete appropriate sealing, so just greatly simplify the installation and maintenance scheme of loud speaker 30, because can being independent of loud speaker 30, the sound box bodies that panel 20 and backboard 20 form assembles, and, loud speaker 30 dismountings own do not need that sound box bodies is had to any damage, visible, this mode has not singly solved the problem of speaker effect, can also make the installation and maintenance of loud speaker 30 seem very simplifies.Step edge 22 its degree of depth of backboard 20 are suitable with fixed head 27, so when fixed head 37 is fixed on backboard 20, the back side of whole sound box bodies, is also that the bottom surface 23 of backboard 20 can be accomplished quite smooth and have no unnecessary volume.
Embodiment bis-:
As shown in Figure 3, the schematic diagram of the embodiment of the present invention two.Compared with the embodiment mono-shown in Fig. 2, its panel 10 parts, sound basin mouth 35 parts of sound basin frame 34, and fixed head 37 is all identical with bearing's step edge 22 of backboard 20, different is, the rear end face 36 of sound basin frame 34 is not to flush with the back side of fixed head 37, but there is the part of protrusion, exceed the thickness X of the back side A of fixed head 37, visible, compared with the embodiment mono-shown in Fig. 1, in this example, the effective thickness H of loud speaker can increase an increment A, although must destroy the planarization of its backboard 20 bottom surfaces of whole audio amplifier, but can be allowed in a lot of occasions, so show the feature of the present embodiment: can expand to greatest extent loud speaker effective thickness H according to different occasions, simultaneously, can not change backboard 20, can make modularized processing, there is good applicability.The change of doing is only that fixed head 37 and the relative position of loud speaker are made adjustment.
Embodiment tri-:
As shown in Figure 3, the embodiment of the present invention three schematic diagrames.Compared with the embodiment shown in Fig. 1, its panel 10 is similar, different with the fixed structure of loud speaker, and panel 10 is no longer parallel with backboard 20 but has the feature of inclination, and this structure is common in the edge of desktop flat panel display equipment; Consider that whole equipment makes vertically to place by wall, thereby interval metope 40 is not far conventionally in this case for whole panel 10, so need to make the oblique vibration of sound basin 31 to such an extent as to sound wave effectively enters and listens to territory as the direction of arrow after metope 40 reflections.So, sound basin frame 34 has been made particular design, fixed head 37 and sound basin mouth 35 Plane intersects at place separately, similarly, fixed head 37 makes loud speaker 30 fully expand effective thickness and is not subject to the thickness effect of backboard 20, has also kept loud speaker 30 to insert the convenience of installing and good maintainability from backboard 20 simultaneously.
Embodiment tetra-:
As shown in Figure 5, the embodiment of the present invention four schematic diagrames.Compared with embodiment illustrated in fig. 2 one, the opening 11 fixed form tips of its panel 10 parts are variant, because sound basin mouth 35 is the back side that is matched with panel 10, and there is no the step form shown in Fig. 2.Maximum is not both, and between backboard 20 and panel 20, has reference column 12, this reference column 12 and panel 10 Joints, and therefore, fixed head 37 locks fixing by sunk screw 50 and backboard 20 and reference column 12 mutually.Reference column 12 has retrained the Relative Vibration between panel 10 and backboard 20 on the one hand, thereby has improved the casing chatter dyeing of whole audio amplifier, and the intensity that makes on the other hand fixed head 37 be fixed in sound box bodies improves.
Embodiment five:
As shown in Figure 6, the embodiment of the present invention five schematic diagrames.Embodiment tetra-shown in the associated components such as panel 10, reference column 12 and Fig. 5 of this embodiment five is basic identical, difference is, step edge 22 cooperation places at fixed head and backboard 20 have inward flange 36, simultaneously, backboard 20 part that matches with fixed head 37 has sealing ring 60. and can find out from this structure, realizes fixed head 37 and can properly realize by the mode of inward flange 36 and sealing ring 60 with the sealing of backboard 20.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (9)
1. the fixed structure of loudspeaker unit of thin-type speaker box, comprises the loud speaker of a thin type speaker body and Qi Nei; This thin type speaker dignity plate has the opening that coordinates loudspeaker cone mouth, and the back side has the backboard of sealing; It is characterized in that:
Described loud speaker rear end has a fixed head fixing with its sound basin frame, loud speaker projection thereon described in the area covering of this fixed head; And
On described backboard, have the back plate aperture of allowing that described sound basin mouth passes, described back plate aperture outer rim has the step edge coordinating with described fixed head; The degree of depth of described step edge is not less than described fixed head thickness; And, between described sound basin mouth and described panel, between described fixed head and described backboard, keep respectively sealing.
2. the fixed structure of loudspeaker unit of thin-type speaker box according to claim 1, is characterized in that: the bottom surface of described fixed head and described loud speaker rear end face are coplanar.
3. the fixed structure of loudspeaker unit of thin-type speaker box according to claim 1, is characterized in that: described loud speaker rear end face exceeds outside the bottom surface of described fixed head.
4. the fixed structure of loudspeaker unit of thin-type speaker box according to claim 1, is characterized in that: described fixed head and described backboard bearing have the structure of the reference column that is simultaneously fixed on described panel.
5. the fixed structure of loudspeaker unit of thin-type speaker box according to claim 3, is characterized in that: described fixed head has an inward flange coordinating with described back plate aperture inner edge side.
6. according to the fixed structure of loudspeaker unit of thin-type speaker box described in claim 1 to 5 any one, it is characterized in that: described fixed head and described backboard cooperation place have sealing ring.
7. the fixed structure of loudspeaker unit of thin-type speaker box according to claim 1, is characterized in that: described fixed head and the described sound basin mouth Plane intersects at place separately.
8. the fixed structure of loudspeaker unit of thin-type speaker box according to claim 1, is characterized in that: described fixed head and described sound basin the mouth separately plane at place are parallel to each other.
9. the fixed structure of loudspeaker unit of thin-type speaker box according to claim 4, is characterized in that: described reference column is fixedly arranged between described panel and backboard; Described fixed head is simultaneously fixing by sunk screw and described reference column and backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458780.0A CN102547496B (en) | 2011-12-31 | 2011-12-31 | Fixed structure of loudspeaker unit of thin-type speaker box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110458780.0A CN102547496B (en) | 2011-12-31 | 2011-12-31 | Fixed structure of loudspeaker unit of thin-type speaker box |
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| CN102547496A CN102547496A (en) | 2012-07-04 |
| CN102547496B true CN102547496B (en) | 2014-08-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10237656B2 (en) | 2016-03-28 | 2019-03-19 | Lg Display Co., Ltd. | Panel vibration type sound generating display device |
| KR101704517B1 (en) | 2016-03-28 | 2017-02-09 | 엘지디스플레이 주식회사 | Display device for generating sound by panel vibration type |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202406249U (en) * | 2011-12-31 | 2012-08-29 | 李世煌 | Loudspeaker mounting structure for thin speaker box |
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| EP1473963B1 (en) * | 2003-04-30 | 2019-11-13 | InterDigital Madison Patent Holdings | Loudspeaker mounting frame, loudspeaker and loudspeaker cabinet |
| US20040240688A1 (en) * | 2003-05-28 | 2004-12-02 | Hsin-Yuan Chiang | Loudspeaking structure applied on a portable computer |
| JP4642335B2 (en) * | 2003-10-16 | 2011-03-02 | パナソニック株式会社 | Speaker, speaker module, and electronic device using the same |
| CN201374796Y (en) * | 2009-03-25 | 2009-12-30 | 青岛海信电器股份有限公司 | Loudspeaker bracket and loudspeaker |
| TWI423685B (en) * | 2010-01-29 | 2014-01-11 | Wistron Corp | Speaker assembly with rotary fastening mechanism |
| CN201608845U (en) * | 2010-04-01 | 2010-10-13 | 东莞正阳电子有限公司 | Novel sound box with super-thin speaker |
| CN201947433U (en) * | 2010-12-21 | 2011-08-24 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202406249U (en) * | 2011-12-31 | 2012-08-29 | 李世煌 | Loudspeaker mounting structure for thin speaker box |
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