CN102547496A - 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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- CN102547496A CN102547496A CN2011104587800A CN201110458780A CN102547496A CN 102547496 A CN102547496 A CN 102547496A CN 2011104587800 A CN2011104587800 A CN 2011104587800A CN 201110458780 A CN201110458780 A CN 201110458780A CN 102547496 A CN102547496 A CN 102547496A
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- fixed head
- backboard
- audio amplifier
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- loudspeaker unit
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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 slim audio amplifier loudspeaker unit.
Background technology
Digital device, multimedia equipment, no matter be household or portable product, its whole panelized trend is more and more obvious.Generally, this kind equipment all has display screen, to satisfy the multimedia demand of vision; Therefore, the trend of this type panelized, its whole inevitable size with screen itself is a target; Make the volume of all parts more and more littler, more and more thinner, its outward appearance can not got too much than screen itself is big.
Under such trend; That the structure of electronic component at first can be accomplished is small-sized, thinning to be to reach target; But some device interior accessories, device are arranged in reduced volume, it is very difficult that especially particularly a certain yardstick attenuation aspect seems, the most significantly is exactly the speaker system of equipment.Usually; Simple magnetic speaker; The bass part effect non-constant that in this panelized equipment scheme, often seems in sending through the vibration of its sound basin, this is because the sound wave of low frequency relatively, its wavelength is compared with the distance on 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 type speaker system is installed additional the slim audio amplifier with paraphase function, such as improving wherein bass effect.
In the equipment of panelized, these improve, and always effect is not good enough just, because the inner very limited setting height(from bottom) of slim audio amplifier; Make the height of magnetic speaker receive strict restriction; Usually can arrive within tens millimeters even ten millimeters, and the installation and maintenance of this type loud speaker seems that comparison is difficult; Because after the slim audio amplifier sealing, loud speaker is that portion can't check arbitrarily and change within it.So, the limitation that generally seals slim audio amplifier and had just displays aspect two at this, becomes the obstacle of this type panelized device speaker system development.
Summary of the invention
To the limitation of above slim audio amplifier, the present invention proposes a kind of fixed structure of slim audio amplifier loudspeaker unit, and its technical scheme is following:
The fixed structure of slim audio amplifier loudspeaker unit comprises the loud speaker of a slim sound box bodies and Qi Nei; This slim sound box bodies panel has the opening that cooperates the loudspeaker cone mouth, and the back side has the backboard of sealing; Said loud speaker rear end has and the fixing fixed head of its sound basin frame, and the area of this fixed head covers the projection above that of said loud speaker; And
Have the back plate aperture of allowing that said sound basin mouth passes on the said backboard, and, keep sealing between said sound basin mouth and the said panel, between said fixed head and the said backboard respectively.
As the preferred person of present technique scheme, can aspect as follows, have improvement:
In one preferred embodiment, the bottom surface of said fixed head and said loud speaker rear end face coplane.
In one preferred embodiment, said loud speaker rear end face exceeds outside the bottom surface of said fixed head.
In one preferred embodiment, said back plate aperture outer rim has the ladder edge that cooperates with said fixed head; The degree of depth of said ladder edge is not less than said fixed head thickness; In this technical example of can also deriving: said fixed head has the inward flange that cooperates with said fixing hole inner edge side.
In one preferred embodiment, said fixed head and said backboard bearing have the structure of the reference column that is fixed in said panel simultaneously; The scheme of deriving on this basis, said exactly reference column is fixedly arranged between said panel and the backboard; It is fixing simultaneously that said fixed head passes through sunk screw and said reference column and backboard.
In one preferred embodiment, said fixed head and said backboard cooperation place have sealing ring; On this basis
In one preferred embodiment, the Plane intersects that said fixed head and said sound basin mouth belong to separately.
In one preferred embodiment, the plane that said fixed head and said sound basin mouth belong to separately is parallel to each other.
The beneficial effect that the present invention brings is:
1. the loud speaker rear end is provided with fixed head and backboard fixes, has utilized the original thickness of backboard substantially, can obtain the bigger effective thickness of loud speaker; Thereby its performance can be greatly improved; In the thickness range of slim audio amplifier, tonequality promotes obviously, particularly middle bass part.
2. the loud speaker rear end is provided with fixed head and backboard fixes, the mode that makes loudspeaker cone insert backboard is installed, and greatly facilitates the whole I& M of audio amplifier; Because loudspeaker unit can with the audio amplifier separating treatment; Assembling more at last, fixedly simple and fast, convenient disassembly simultaneously.
3. the relativeness of fixed head and sound basin frame is conveniently stretched out backboard with the loud speaker rear end and is handled, and adapts to different occasions, promotes the loud speaker effective thickness to greatest extent, and audio amplifier and loudspeaker unit modularization are handled, and has good applicability.
4. fixed head matches with the ladder edge of backboard, and the convenient forms such as inward flange and sealing ring of using obtain the better seal scheme.
Description of drawings
Embodiment is described further the present invention below in conjunction with accompanying drawing:
Fig. 1 is the fixed structure of existing general slim audio amplifier;
Fig. 2 is the embodiment of the invention one sketch map;
Fig. 3 is the embodiment of the invention two sketch mapes;
Fig. 4 is the embodiment of the invention three sketch mapes;
Fig. 5 is the embodiment of the invention four sketch mapes;
Fig. 6 is the embodiment of the invention five sketch mapes.
Embodiment
Embodiment one:
As shown in Figure 2, present embodiment sketch map, Fig. 1 are the structures of general slim audio amplifier, describe in conjunction with this two figure:
Like Fig. 1, the loudspeaker unit fixed structure of general slim audio amplifier, panel 10 is parallel with backboard 20, has retrained the thickness of whole sound box bodies; On panel 10, have opening 11, allow loud speaker 30 its sound basin mouth 35 external sounding in it.Backboard 20 is a totally enclosed type; For guaranteeing that whole audio amplifier can be placed into up and down in the affined slim space of 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; It is thus clear that the effective thickness H of loud speaker 30 itself can be greater than the distance of backboard 20 inner face 24 to panels 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 that the thickness of backboard 20 can't utilize---because of the application at this slim audio amplifier, its loud speaker effective thickness usually reaches tens millimeters; Principle from magnetic speaker; Sound basin 31 and plays together vibration sounding of ripple 33 under the driving of coil 32, 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 big 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.
Like Fig. 1, the sketch map of the embodiment of the invention one, for obtaining more clearly comparative result, sound basin frame 34, the sound basin mouth 35 of panel 10 and loud speaker 30 are identical with general fixed structure shown in Figure 1 among this figure, and its panel 10 is also identical with the spacing of backboard 20; Different is at rear end face 36 places of loud speaker 30 sound basin framves 34 an affixed with it fixed head 37 to be arranged, 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 Figure 1; Obviously how backboard 20 thickness T, if the 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 stated, because its amplitude range obtains the lifting of significant proportion.Panel 10 and backboard 20 under the similarity condition; But can obtain better effect with the loud speaker 30 of performance notable difference; So, this programme has utilized backboard 20 thickness substantially, allows the loud speaker 30 of the bigger sound basin of application amplitude; In the thickness range of slim audio amplifier, this lifting is tangible.
Fixed head 37 is than the bigger closed material sheet material of loud speaker 30 sound basin mouths, 35 diameters, from Fig. 2, can find out, as the integral body of fixed head 37 and loud speaker 30; Its assembling can be from the back of backboard 20 along the direction shown in the hollow arrow; Insert the fixing hole 21 of backboard 20,, so greatly simplified the installation and maintenance scheme of loud speaker 30 to such an extent as to make between the sound basin mouth 35 and panel opening 11 of loud speaker 30, accomplish properly sealing between fixed head 37 outer rims and the backboard 20 ladder edge 22; Because the sound box bodies of panel 20 and backboard 20 compositions can be independent of loud speaker 30 and assemble; And loud speaker 30 dismountings own need not have any damage to sound box bodies, and are visible; This mode has not singly solved the problem of speaker effect, the installation and maintenance of loud speaker 30 is seemed very simplify.Ladder edge 22 its degree of depth of backboard 20 are suitable with fixed head 27, so when fixed head 37 was fixed in backboard 20, the back side of whole sound box bodies also was that the bottom surface 23 of backboard 20 can be accomplished quite smooth and had no unnecessary volume.
Embodiment two:
As shown in Figure 3, the sketch map of the embodiment of the invention two.Compare with embodiment one shown in Figure 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 ladder edge 22 of backboard 20; Different is that the rear end face 36 of sound basin frame 34 is not to flush with the back side of fixed head 37, but has the part of protrusion; The thickness X that exceeds the back side A of fixed head 37, visible, compare with embodiment one shown in Figure 1; The effective thickness H of loud speaker can increase an increment A in this example, though must destroy the planarization of its backboard 20 bottom surfaces of whole audio amplifier, can be allowed in a lot of occasions; The characteristics of so showing present embodiment: can expand loud speaker effective thickness H to greatest extent according to different occasions, simultaneously, can not change backboard 20; Can make modularization and handle, have good applicability.The change of being done only is that the fixed head 37 and the relative position of loud speaker are made adjustment.
Embodiment three:
As shown in Figure 3, the embodiment of the invention three sketch mapes.Compare with embodiment shown in Figure 1, its panel 10 is similar with the fixed structure of loud speaker, and different is that panel 10 no longer is parallel with backboard 20 but has oblique features that this structure is common in the edge of desktop flat panel display equipment; Consider that entire equipment is placed the vertical wall that leans on, thereby metope 40 is not far at interval usually in this case for whole front panel 10, so listen to the territory after metope 40 reflects to such an extent as to the sound basin 31 oblique vibration sound waves such as the direction of arrow are got into effectively.So; Sound basin frame 34 has been made particular design; It is the Plane intersects that fixed head 37 and sound basin mouth 35 belong to separately; Likewise, fixed head 37 makes loud speaker 30 fully expand effective thickness and does not receive 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 four:
As shown in Figure 5, the embodiment of the invention four sketch mapes.Compare 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 do not have step form shown in Figure 2.Maximum is not both, and has reference column 12 between backboard 20 and the panel 20, this reference column 12 and panel 10 Joints, and therefore, fixed head 37 locks fixing through sunk screw 50 with backboard 20 and reference column 12 mutually.Reference column 12 has retrained the relative vibration between panel 10 and the backboard 20 on the one hand, thereby has improved the casing chatter dyeing of whole audio amplifier, and the intensity that fixed head 37 is fixed on the sound box bodies improves.
Embodiment five:
As shown in Figure 6, the embodiment of the invention five sketch mapes.Associated components such as the panel 10 of this embodiment five, reference column 12 and embodiment four shown in Figure 5 are basic identical; Different is; Ladder 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 that the sealing of fixed head 37 and backboard 20 can properly realize through the mode of inward flange 36 and sealing ring 60.
The above is merely preferred embodiment of the present invention, so can not limit the scope that the present invention implements according to this, the equivalence of promptly doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (10)
1. the fixed structure of slim audio amplifier loudspeaker unit comprises the loud speaker of a slim sound box bodies and Qi Nei; This slim sound box bodies panel has the opening that cooperates the loudspeaker cone mouth, and the back side has the backboard of sealing; It is characterized in that:
Said loud speaker rear end has and the fixing fixed head of its sound basin frame, and the area of this fixed head covers the projection above that of said loud speaker; And
Have the back plate aperture of allowing that said sound basin mouth passes on the said backboard, and, keep sealing between said sound basin mouth and the said panel, between said fixed head and the said backboard respectively.
2. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 1, it is characterized in that: the bottom surface of said fixed head and said loud speaker rear end face coplane.
3. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 1, it is characterized in that: said loud speaker rear end face exceeds outside the bottom surface of said fixed head.
4. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 1, it is characterized in that: said back plate aperture outer rim has the ladder edge that cooperates with said fixed head; The degree of depth of said ladder edge is not less than said fixed head thickness.
5. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 1, it is characterized in that: said fixed head and said backboard bearing have the structure of the reference column that is fixed in said panel simultaneously.
6. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 4, it is characterized in that: said fixed head has the inward flange that cooperates with said fixing hole inner edge side.
7. according to the fixed structure of each said slim audio amplifier loudspeaker unit of claim 1 to 6, it is characterized in that: said fixed head and said backboard cooperation place have sealing ring.
8. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 1, it is characterized in that: the Plane intersects that said fixed head and said sound basin mouth belong to separately.
9. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 1, it is characterized in that: the plane that said fixed head and said sound basin mouth belong to separately is parallel to each other.
10. according to the fixed structure of the said slim audio amplifier loudspeaker unit of claim 6, it is characterized in that: said reference column is fixedly arranged between said panel and the backboard; It is fixing simultaneously that said fixed head passes through sunk screw and said 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN102547496A true CN102547496A (en) | 2012-07-04 |
| CN102547496B CN102547496B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110458780.0A Active CN102547496B (en) | 2011-12-31 | 2011-12-31 | Fixed structure of loudspeaker unit of thin-type speaker box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111526463A (en) * | 2016-03-28 | 2020-08-11 | 乐金显示有限公司 | Panel vibration type sound display device |
| US11140482B2 (en) | 2016-03-28 | 2021-10-05 | Lg Display Co., Ltd. | Actuator fixing device and panel vibration type sound-generating display device including the same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1543261A (en) * | 2003-04-30 | 2004-11-03 | 汤姆森许可贸易公司 | 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 |
| CN1717954A (en) * | 2003-10-16 | 2006-01-04 | 松下电器产业株式会社 | Speaker, speaker module, and electronic apparatus using the speaker module |
| CN201374796Y (en) * | 2009-03-25 | 2009-12-30 | 青岛海信电器股份有限公司 | Loudspeaker bracket and loudspeaker |
| 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 |
| US20110186705A1 (en) * | 2010-01-29 | 2011-08-04 | Ming-Shiang Ke | Speaker assembly with rotary fastening mechanism |
| CN201947433U (en) * | 2010-12-21 | 2011-08-24 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN202406249U (en) * | 2011-12-31 | 2012-08-29 | 李世煌 | Loudspeaker mounting structure for thin speaker box |
-
2011
- 2011-12-31 CN CN201110458780.0A patent/CN102547496B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1543261A (en) * | 2003-04-30 | 2004-11-03 | 汤姆森许可贸易公司 | 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 |
| CN1717954A (en) * | 2003-10-16 | 2006-01-04 | 松下电器产业株式会社 | Speaker, speaker module, and electronic apparatus using the speaker module |
| CN201374796Y (en) * | 2009-03-25 | 2009-12-30 | 青岛海信电器股份有限公司 | Loudspeaker bracket and loudspeaker |
| US20110186705A1 (en) * | 2010-01-29 | 2011-08-04 | Ming-Shiang Ke | 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 |
| CN202406249U (en) * | 2011-12-31 | 2012-08-29 | 李世煌 | Loudspeaker mounting structure for thin speaker box |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111526463A (en) * | 2016-03-28 | 2020-08-11 | 乐金显示有限公司 | Panel vibration type sound display device |
| CN111526463B (en) * | 2016-03-28 | 2021-05-11 | 乐金显示有限公司 | Panel vibration type sound display device |
| US11019425B2 (en) | 2016-03-28 | 2021-05-25 | Lg Display Co., Ltd. | Panel vibration type sound generating display device |
| US11140482B2 (en) | 2016-03-28 | 2021-10-05 | Lg Display Co., Ltd. | Actuator fixing device and panel vibration type sound-generating display device including the same |
| US11265655B2 (en) | 2016-03-28 | 2022-03-01 | Lg Display Co., Ltd | Panel vibration type sound generating display device |
| US11736858B2 (en) | 2016-03-28 | 2023-08-22 | Lg Display Co., Ltd. | Panel vibration type sound generating display device |
| US11950068B2 (en) | 2016-03-28 | 2024-04-02 | Lg Display Co., Ltd. | Panel vibration type sound generating display device |
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| CN102547496B (en) | 2014-08-13 |
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