CN204634021U - Annular low-frequency sound wave outlet audio amplifier - Google Patents
Annular low-frequency sound wave outlet audio amplifier Download PDFInfo
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- CN204634021U CN204634021U CN201520323389.3U CN201520323389U CN204634021U CN 204634021 U CN204634021 U CN 204634021U CN 201520323389 U CN201520323389 U CN 201520323389U CN 204634021 U CN204634021 U CN 204634021U
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- cover plate
- vibrating diaphragm
- bass vibrating
- audio amplifier
- sound wave
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Abstract
The utility model relates to sound equipment, specifically a kind of annular low-frequency sound wave outlet audio amplifier, comprise casing, cover plate and bass vibrating diaphragm, wherein the inner side of the arbitrary tank wall of casing is provided with described bass vibrating diaphragm, described cover plate is arranged on tank wall accordingly with this bass vibrating diaphragm, is provided with annular outlet sound mouth between the side of described cover plate and described tank wall.The low-frequency sound wave that bass vibrating diaphragm produces can be radiated listening volume by annular low-frequency sound wave outlet of the present utility model well, the outlet of annular low-frequency sound wave is designed to ramp type structure between cover plate and tank wall, can not look at straight in audio amplifier from audio amplifier, add the attractive in appearance of product, be convenient to the assembling of cover plate simultaneously.
Description
Technical field
The utility model relates to sound equipment, specifically a kind of annular low-frequency sound wave outlet audio amplifier.
Background technology
In Fujian science tech publishing house in " loud speaker and the audio amplifier design manual " published in July, 2008, disclose closed audio amplifier (60 ~ 67 pages), open type audio amplifier (67 ~ 77 pages), passive radiation audio amplifier (77 ~ 78 pages).Disclosed in these, audio amplifier of the prior art has low-frequency sound wave to export, and the face shaping of these low-frequency sound waves outlet is generally circular or square.The small-sized movable audio amplifier that such Technology design becomes, low-frequency sound wave just very unsightly, so need a kind of outward appearance both elegant in appearance, can be radiated again the physical structure of listening volume by image appearance well.
Utility model content
The purpose of this utility model is to provide a kind of annular low-frequency sound wave outlet audio amplifier.This annular low-frequency sound wave outlet audio amplifier can make low-frequency sound wave propagate into listening volume very swimmingly, in turn ensure that the appearance looks elegant of overall audio amplifier is generous
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises casing, cover plate and bass vibrating diaphragm, and wherein the inner side of the arbitrary tank wall of casing is provided with described bass vibrating diaphragm, and described cover plate is arranged on tank wall accordingly with this bass vibrating diaphragm, is provided with annular outlet sound mouth between the side of described cover plate and described tank wall.
Wherein: the side of described cover plate is inclined-plane, form part corresponding on the tank wall of annular outlet sound mouth also for inclined-plane with described cover plate side, the common Formation cross-section in inclined-plane that the inclined-plane of described cover plate side is corresponding with on tank wall is the annular outlet sound mouth of ramped shaped; Part corresponding with bass vibrating diaphragm on described tank wall has through hole, the tank wall ecto-entad at this through hole edge extends to the center of described bass vibrating diaphragm gradually, form the rake corresponding with the inclined-plane of described cover plate side, the outer surface of this rake is the inclined-plane corresponding with the inclined-plane of described cover plate side, and between the inclined-plane of described cover plate side and the outer surface of described rake, namely Formation cross-section is the annular outlet sound mouth of ramped shaped; Described rake is extended with straight flange portion to the center of bass vibrating diaphragm, the circumference in this straight flange portion is evenly equipped with multiple hole, the inner surface edge of described cover plate is circumferentially evenly equipped with multiple connecting portion, and this cover plate is inserted in described hole by each connecting portion and is arranged in described straight flange portion; Described connecting portion is perpendicular to bass vibrating diaphragm; The spacing in described bass vibrating diaphragm and straight flange portion is greater than the amplitude of bass vibrating diaphragm;
The outer surface of described cover plate and the outer surface of place tank wall coplanar; Described cover plate is parallel with bass vibrating diaphragm, and corresponding installation; The inner surface of described tank wall extends to the inside of casing, and form bass vibrating diaphragm support, described bass vibrating diaphragm is arranged on this bass vibrating diaphragm support; Described bass vibrating diaphragm support is vertical with bass vibrating diaphragm and cover plate respectively; The shape of described annular outlet sound mouth is square, circular or oval.
Advantage of the present utility model and good effect are:
1. audio amplifier of the present utility model have employed the outlet of annular low-frequency sound wave, the low-frequency sound wave that bass vibrating diaphragm produces can be propagated into listening volume well.
2. audio amplifier of the present utility model have employed the outlet of annular low-frequency sound wave, makes the appearance looks elegant of audio amplifier generous.
3. the annular low-frequency sound wave outlet of audio amplifier of the present utility model is designed to ramp type structure between cover plate and tank wall, can not look at straight in audio amplifier, add the attractive in appearance of product, be convenient to the assembling of cover plate simultaneously from audio amplifier.
4. bass vibrating diaphragm plane of the present utility model and cover plate plane symmetry be arranged in parallel, and low-frequency sound wave can be blazed abroad from multi-angle.
5. bass vibrating diaphragm plane of the present utility model and the interplanar distance of cover plate are greater than the amplitude of bass vibrating diaphragm, touch cover plate or tank wall, decrease electroacoustic conversion noise when avoiding bass diaphragm oscillations.
6. the utility model structure is simple, is convenient to manufacture, with low cost, is particularly useful for portable loudspeaker box.
Accompanying drawing explanation
Figure 1A is the vertical view cutaway drawing of the utility model embodiment one;
Figure 1B is the front view of the utility model embodiment one;
Fig. 1 C is the end view of the utility model embodiment one;
Fig. 2 A is the vertical view cutaway drawing of the utility model embodiment two;
Fig. 2 B is the front view of the utility model embodiment two;
Fig. 2 C is the end view of the utility model embodiment two;
Fig. 3 A is the vertical view cutaway drawing of the utility model embodiment three;
Fig. 3 B is the front view of the utility model embodiment three;
Fig. 3 C is the end view of the utility model embodiment three;
Fig. 4 is the partial enlarged drawing at A place in Figure 1A, Figure 1B, Fig. 1 C;
Wherein: 1 is casing, 2 is tank wall, and 3 is annular outlet sound mouth, and 4 is cover plate, and 5 is bass vibrating diaphragm, and 6 is bass vibrating diaphragm support, and 7 is rake, and 8 is straight flange portion, and 9 is connecting portion.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Annular low-frequency sound wave outlet audio amplifier of the present utility model comprises casing 1, cover plate 4 and bass vibrating diaphragm 5, and wherein the inner surface of the arbitrary tank wall 2 of casing 1 extends to casing 1 inside, forms bass vibrating diaphragm support 6, and bass vibrating diaphragm 5 is arranged on bass vibrating diaphragm support 6; Cover plate 4 and this bass vibrating diaphragm 5 to be arranged on accordingly on tank wall 2 and to be arranged in parallel with bass vibrating diaphragm 5, and the distance between bass vibrating diaphragm 5 and cover plate 4 is greater than the amplitude of bass vibrating diaphragm 5; Annular outlet sound mouth 3 is provided with between the side of cover plate 4 and tank wall 2.The side of cover plate 4 is inclined-plane, forms part corresponding on the tank wall 2 of annular outlet sound mouth 3 also for inclined-plane with cover plate 4 side, and the common Formation cross-section in inclined-plane that the inclined-plane of cover plate 4 side is corresponding with on tank wall 2 is the annular outlet sound mouth 3 of ramped shaped.Annular outlet sound mouth 3 can be square, also can be oval or circular.
Embodiment one (annular outlet sound mouth 3 is square)
As shown in Figure 1A ~ 1C and Fig. 4, the casing 1 of the present embodiment is cuboid, has the through hole of a rectangle (also can be square) in the centre of a tank wall 2 of casing 1 length direction.The inner surface of tank wall 2 extends in casing 1, and form bass vibrating diaphragm support 6, bass vibrating diaphragm 5 is arranged on this bass vibrating diaphragm support 6, parallel with tank wall 2, and corresponding with through hole, and bass vibrating diaphragm support 6 is perpendicular to bass vibrating diaphragm 5.
Tank wall inside bass vibrating diaphragm support 62 tank wall of through hole edge (namely on tank wall 2) ecto-entad extends to the center of bass vibrating diaphragm 5 gradually, and form rake 7, the surfaces externally and internally of this rake 7 is inclined-plane.Rake 7 is extended with straight flange portion 8 to the center of bass vibrating diaphragm 5 again, and this straight flange portion 8 is parallel with bass vibrating diaphragm 5.Straight flange portion 8 is circumferentially evenly equipped with multiple hole, the inner surface edge of cover plate 4 is circumferentially evenly equipped with multiple connecting portion 9, the quantity of connecting portion 9 identical with the quantity in hole (can be 4 ~ 8), and one_to_one corresponding, each connecting portion 9 is perpendicular to straight flange portion 8 and bass vibrating diaphragm 5.Cover plate 4 is inserted in respectively in each hole in straight flange portion 8 by each connecting portion 9 and is arranged in straight flange portion 8, the outer surface of cover plate 4 and the outer surface of tank wall 2 coplanar.
Cover plate 4 is in the rectangle (also can be square) corresponding with through hole, the annular outlet sound mouth 3 that an outward appearance is ring-type bathtub construction is formed between the side of cover plate 4 and tank wall 2, namely circularize outlet sound mouth 3 by the slit-shaped between the inclined-plane of rake 7 outer surface and the inclined-plane of cover plate 4 side, the outer surface inclined-plane of rake 7 and the inclined-plane of cover plate 4 side are parallel to each other, all respectively there is mutually corresponding closed ring marginal texture, and cross section is all "eight" shape, the structure that little outside, the inside is large, so just can realize both low-frequency sound wave can having been blazed abroad swimmingly, can't see again the structure of audio amplifier inside, reach object attractive in appearance.That is, the inclined-plane of rake 7 outer surface is corresponding with the inclined-plane of cover plate 4 side, and between the inclined-plane of cover plate 4 side and the inclined-plane of rake 7 outer surface, namely Formation cross-section is the annular outlet sound mouth 3 of ramped shaped.
Cover plate 4 is parallel with bass vibrating diaphragm 5, and corresponding installation; Specifically, the plane of bass vibrating diaphragm 5 and the plane parallel of cover plate 4, and these two interplanar air distances are greater than the amplitude of bass vibrating diaphragm 5, the present embodiment is for being greater than 4mm; Distance between bass vibrating diaphragm 5 and straight flange portion 8 is also greater than the amplitude of bass vibrating diaphragm 5, touches cover plate 4 or straight flange portion 8 when vibrating to prevent bass vibrating diaphragm 5, produces noise.Bass vibrating diaphragm 5 can be the diaphragm of loudspeaker, also can be bass radiator, can be plate shaped also can be taper, so-called bass radiator, is again passive passive bass radiator, is commonly called as sky loudspeaker, it does not have the magnet of loudspeaker unit, magnetic circuit and voice coil loudspeaker voice coil, only has vibrating diaphragm and supporting mechanism thereof.The present embodiment be flat bass radiator.Whole sound box 1 comprises cover plate, can manufacture with die sinking injection moulding process, implements particularly to be first design audio amplifier outward appearance, complete sound box structure and deck design, then make mould, finally manufacture with injection molding machine by appearance design.
Embodiment two (annular outlet sound mouth 3 is circular)
As shown in Fig. 2 A ~ 2C and Fig. 4, the difference of the present embodiment and embodiment one is, the shape of annular outlet sound mouth 3 is circular.All the other are all identical with embodiment one.
Embodiment three (annular outlet sound mouth 3 is oval)
As shown in Fig. 3 A ~ 3C and Fig. 4, the difference of the present embodiment and embodiment one is, the shape of annular outlet sound mouth 3 is oval.All the other are all identical with embodiment one.
The utility model has the outlet of annular low-frequency sound wave, and this annular low-frequency sound wave outlet is arranged between tank wall and cover plate, correspondingly with cover plate is provided with bass vibrating diaphragm.With the audio amplifier that this physical structure is made, low-frequency sound wave can be made to propagate into listening volume very swimmingly, in turn ensure that the appearance looks elegant of overall audio amplifier is generous.
Claims (10)
1. an annular low-frequency sound wave outlet audio amplifier, it is characterized in that: comprise casing (1), cover plate (4) and bass vibrating diaphragm (5), wherein the inner side of casing (1) arbitrary tank wall (2) is provided with described bass vibrating diaphragm (5), described cover plate (4) is arranged on tank wall (2) with this bass vibrating diaphragm (5) accordingly, is provided with annular outlet sound mouth (3) between the side of described cover plate (4) and described tank wall (2).
2. by annular low-frequency sound wave outlet audio amplifier according to claim 1, it is characterized in that: the side of described cover plate (4) is inclined-plane, the upper corresponding part of tank wall (2) forming annular outlet sound mouth (3) with described cover plate (4) side is also inclined-plane, and inclined-plane and the upper corresponding common Formation cross-section in inclined-plane of tank wall (2) of described cover plate (4) side are the annular outlet sound mouth (3) of ramped shaped.
3. by annular low-frequency sound wave outlet audio amplifier according to claim 2, it is characterized in that: the upper part corresponding with bass vibrating diaphragm (5) of described tank wall (2) has through hole, tank wall (2) ecto-entad at this through hole edge extends to the center of described bass vibrating diaphragm (5) gradually, form the rake (7) corresponding with the inclined-plane of described cover plate (4) side, the outer surface of this rake (7) is the inclined-plane corresponding with the inclined-plane of described cover plate (4) side, between the inclined-plane of described cover plate (4) side and the outer surface of described rake (7), namely Formation cross-section is the annular outlet sound mouth (3) of ramped shaped, described rake (7) is extended with straight flange portion (8) to the center of bass vibrating diaphragm (5), the circumference in this straight flange portion (8) is evenly equipped with multiple hole, the inner surface edge of described cover plate (4) is circumferentially evenly equipped with multiple connecting portion (9), and this cover plate (4) is inserted in described hole by each connecting portion (9) and is arranged on described straight flange portion (8).
4., by annular low-frequency sound wave outlet audio amplifier according to claim 3, it is characterized in that: described connecting portion (9) is perpendicular to bass vibrating diaphragm (5).
5., by the annular low-frequency sound wave outlet audio amplifier described in claim 3 or 4, it is characterized in that: described bass vibrating diaphragm (5) is greater than the amplitude of bass vibrating diaphragm (5) with the spacing in straight flange portion (8).
6., by the annular low-frequency sound wave outlet audio amplifier described in the arbitrary claim of Claims 1-4, it is characterized in that: the outer surface of described cover plate (4) and the outer surface of place tank wall (2) coplanar.
7., by the annular low-frequency sound wave outlet audio amplifier described in the arbitrary claim of Claims 1-4, it is characterized in that: described cover plate (4) is parallel with bass vibrating diaphragm (5), and corresponding installation.
8. by the annular low-frequency sound wave outlet audio amplifier described in the arbitrary claim of Claims 1-4, it is characterized in that: the inner surface of described tank wall (2) extends to the inside of casing (1), form bass vibrating diaphragm support (6), described bass vibrating diaphragm (5) is arranged on this bass vibrating diaphragm support (6).
9., by annular low-frequency sound wave outlet audio amplifier according to claim 8, it is characterized in that: described bass vibrating diaphragm support (6) is vertical with bass vibrating diaphragm (5) and cover plate (4) respectively.
10. by the annular low-frequency sound wave outlet audio amplifier described in the arbitrary claim of Claims 1-4, it is characterized in that: the shape of described annular outlet sound mouth (3) is square, circular or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323389.3U CN204634021U (en) | 2015-05-19 | 2015-05-19 | Annular low-frequency sound wave outlet audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520323389.3U CN204634021U (en) | 2015-05-19 | 2015-05-19 | Annular low-frequency sound wave outlet audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204634021U true CN204634021U (en) | 2015-09-09 |
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ID=54052999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520323389.3U Expired - Fee Related CN204634021U (en) | 2015-05-19 | 2015-05-19 | Annular low-frequency sound wave outlet audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204634021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052243A1 (en) * | 2019-09-17 | 2021-03-25 | 华为技术有限公司 | Speaker and terminal |
-
2015
- 2015-05-19 CN CN201520323389.3U patent/CN204634021U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052243A1 (en) * | 2019-09-17 | 2021-03-25 | 华为技术有限公司 | Speaker and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |