CN104113799A - Multipoint excitation source sound box with radiating structure - Google Patents
Multipoint excitation source sound box with radiating structure Download PDFInfo
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- CN104113799A CN104113799A CN201410361231.5A CN201410361231A CN104113799A CN 104113799 A CN104113799 A CN 104113799A CN 201410361231 A CN201410361231 A CN 201410361231A CN 104113799 A CN104113799 A CN 104113799A
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- pitch loudspeaker
- medium
- high pitch
- phonocatheter
- installing hole
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Abstract
The invention relates to a multipoint excitation source sound box with a radiating structure. The sound box comprises a box body and is characterized in that the box body is long and flat, at least two low pitch loudspeaker installation holes are formed in a front panel of the box body in the length direction, and a low pitch loudspeaker unit is installed in each low pitch loudspeaker installation hole. The low pitch loudspeaker units are arranged coaxially on the same plane, and sound of the two units are radiated towards the front of the box body. A high-mid pitch loudspeaker installation hole is formed in one short side of one end of the box body, and a high-mid pitch loudspeaker unit is installed in the high-mid pitch loudspeaker installation hole. The sound radiation direction of the high-mid pitch loudspeaker unit is perpendicular to the sound radiation direction of a front high pitch loudspeaker unit, and the high-mid loudspeaker unit is coaxial with all the low pitch loudspeaker units. The multipoint excitation source sound box has the advantages of being ingenious in structure, small in size, thin in structure, good in long time operation sound performance and good in reliability.
Description
Technical field
The present invention relates to a kind of loudspeaker acoustic enclosure, specifically a kind of excitation source audio amplifier with radiator structure that is suitable for using on television set, belongs to electroacoustic techniques field.
Background technology
In prior art, be applied to the audio amplifier on the panel TV sets such as LCD, OLED, conventionally require to have the features such as volume is little, structure is thin, power is large, sound is good.Traditional loudspeaker box for TV set, adopts single set of speakers to become audio amplifier conventionally, although volume structure can reach requirement, sound performance is not good, can bear power little yet.And the audio amplifier that adopts a plurality of loudspeaker units to form, sound performance has improved, but because loudspeaker unit quantity increases and easily causes heat radiation not smooth, then causes poor reliability, the long-play fault such as cannot normally work.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of excitation source audio amplifier with radiator structure is provided, its structure is ingenious, the advantage that can retain multi-loudspeaker unit audio amplifier, can improve long playing reliability again, have advantages of that volume is little, structure is thin, long-play acoustic performance is good, reliability is strong.
According to technical scheme provided by the invention: the excitation source audio amplifier with radiator structure, comprise casing, it is characterized in that: described casing is prolate shape, on the length direction of casing front panel, be provided with at least two woofer installing holes, woofer unit is installed in woofer installing hole, all isoplanars, medium and low spectrum loudspeaker unit and being coaxially set, their acoustic radiating direction is towards casing the place ahead; A short side of described casing one end is provided with medium and high pitch loudspeaker installing hole, medium and high pitch loudspeaker unit is installed in medium and high pitch loudspeaker installing hole, it is vertical that the acoustic radiating direction of medium and high pitch loudspeaker unit and the acoustic radiating direction of front high pitch loudspeaker unit are 90 degree, and medium and high pitch loudspeaker unit and all woofer unit are coaxially set.
As a further improvement on the present invention, on described cabinet rear panel, be provided with several woofer louvres, woofer louvre is consistent and corresponding concentric with the woofer installing hole number on casing front panel, and described woofer unit bottom penetrates woofer unit louvre and flushes with cabinet rear panel plane.
As a further improvement on the present invention, described casing is mainly comprised of front cavity and rear chamber, and described woofer installing hole is opened on front cavity, and described woofer louvre is opened on rear chamber; A short side of described front cavity one end is provided with medium and high pitch loudspeaker first half installing hole, the short side of described rear chamber corresponding end is provided with the later half installing hole of medium and high pitch loudspeaker, when front cavity and rear chamber form casing to spelling, the later half installing hole of medium and high pitch loudspeaker first half installing hole and medium and high pitch loudspeaker forms complete medium and high pitch loudspeaker installing hole to spelling.
As a further improvement on the present invention, described casing is provided with the phonocatheter that box house and outside air are conducted.
As a further improvement on the present invention, the acoustic radiating direction of the outer end opening of described phonocatheter and medium and high pitch loudspeaker unit arranges in the same way.
As a further improvement on the present invention, described phonocatheter is arranged on the bottom of medium and high pitch loudspeaker unit, and phonocatheter and medium and high pitch loudspeaker installing hole have one and share part.
As a further improvement on the present invention, the shared part between described phonocatheter and medium and high pitch loudspeaker installing hole is made by conducting the fireballing material of heat energy.
As a further improvement on the present invention, described phonocatheter adopts single metal material to make, or adopts metallic film to be compounded in the material identical with front cavity, rear chamber to make.
As a further improvement on the present invention, one end of described front cavity length direction extends to form first half phonocatheter by reinforcement, and first half phonocatheter one period of while is on one side as a part for medium and high pitch loudspeaker first half installing hole bottom; Corresponding one end of described rear chamber length direction extends to form later half phonocatheter by reinforcement, and later half phonocatheter one period of while is on one side as a part for the later half installing hole of medium and high pitch loudspeaker bottom; When front cavity and rear chamber form casing to spelling, first half phonocatheter and later half phonocatheter form complete phonocatheter to spelling.
As a further improvement on the present invention, the specification performance of several described woofer unit is in full accord.
compared with prior art, advantage is in the present invention:structure of the present invention is ingenious, compact and reasonable, the structural design of woofer louvre and phonocatheter, the heat energy producing in the time of can making woofer unit and the long-term work of medium and high pitch loudspeaker unit conducts cabinets cavity fast by woofer louvre and phonocatheter, guaranteeing that this speaker products volume is little, structure thin in, can meet again long-play acoustic performance good, the advantage that reliability is strong.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure exploded view of the preferred embodiment of the present invention.
Fig. 2 is the local enlarged diagram of the later half phonocatheter end of preferred embodiment of the present invention rear chamber.
Fig. 3 is the local enlarged diagram of the first half phonocatheter end of cavity before the preferred embodiment of the present invention.
Fig. 4 is the assembling schematic diagram of preferred embodiment of the present invention rear chamber and medium and high pitch loudspeaker unit.
Fig. 5 is one of perspective view of the preferred embodiment of the present invention.
Fig. 6 be the preferred embodiment of the present invention perspective view two.
Description of reference numerals: 1-front cavity, 1a-woofer installing hole, 1b-medium and high pitch loudspeaker first half installing hole, 1c-first half phonocatheter, 2-rear chamber, 2a-woofer louvre, the later half installing hole of 2b-medium and high pitch loudspeaker, 2c-later half phonocatheter, 3-woofer unit, 4-medium and high pitch loudspeaker unit.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure, the excitation source audio amplifier with radiator structure in embodiment is mainly comprised of front cavity 1, rear chamber 2, woofer unit 3 and medium and high pitch loudspeaker unit 4.
As shown in Fig. 1 ~ Fig. 6, described front cavity 1 and rear chamber 2 form the casing of prolate shape, and the length direction of front cavity 1 is provided with two woofer installing hole 1a, and two woofer unit 3 correspondences are arranged in two woofer installing hole 1a; Described 3 isoplanars, two woofer unit and being coaxially set, their acoustic radiating direction is towards casing the place ahead, and the specification of two woofer unit 3 is in full accord.
As shown in Fig. 1 ~ Fig. 6, a short side of described front cavity 1 one end is provided with medium and high pitch loudspeaker first half installing hole 1b, the short side of described rear chamber 2 corresponding end is provided with the later half installing hole 2b of medium and high pitch loudspeaker, when front cavity 1 is spelled composition casing with 2 pairs of rear chambers, the later half installing hole 2b of medium and high pitch loudspeaker first half installing hole 1b and medium and high pitch loudspeaker forms complete medium and high pitch loudspeaker installing hole to spelling.Described medium and high pitch loudspeaker unit 4 is arranged in this medium and high pitch loudspeaker installing hole, it is vertical that the acoustic radiating direction of medium and high pitch loudspeaker unit 4 and the acoustic radiating direction of front high pitch loudspeaker unit are 90 degree, and medium and high pitch loudspeaker unit 4 is coaxially set with all woofer unit 3.
As shown in Fig. 1 ~ Fig. 6, on described cabinet rear panel, be provided with several woofer louvres 2a, woofer louvre 2a is consistent and corresponding concentric with the woofer installing hole 1a number on casing front panel, and 3 bottoms, described woofer unit penetrate woofer unit 3 louvres and flush with cabinet rear panel plane.When 3 work of woofer unit, the heat energy of generation can be transmitted to fast via woofer louvre 2a the outside of cabinets cavity, improves the reliability of woofer unit 3.
As shown in Fig. 1 ~ Fig. 6, described casing is provided with the phonocatheter 5 that box house and outside air are conducted, phonocatheter 5, for the inner and outside air-flow of conducting audio amplifier, makes the all-bottom sound of woofer unit 3 be transmitted to outside by phonocatheter 5, strengthens the sound effect of low frequency.Preferably, the acoustic radiating direction of the outer end opening of described phonocatheter 5 and medium and high pitch loudspeaker unit 4 arranges in the same way.Described phonocatheter 5 is arranged on the bottom of medium and high pitch loudspeaker unit 4, and phonocatheter 5 has one with medium and high pitch loudspeaker installing hole and shares part, and this shared part is preferably made by the fireballing material of conduction heat energy.Like this, when woofer unit 3 passes through phonocatheter 5 outside radiation sound, by the effect of phonocatheter 5, the heat energy that medium and high pitch loudspeaker unit 4 produces while working can be transmitted to by this shared part the outside of cabinets cavity fast, improves the reliability of medium and high pitch loudspeaker unit 4.In the embodiment of the present invention, described phonocatheter 5 can adopt the single metal materials such as copper, aluminium to make, or adopts the metallic films such as copper, aluminium to be compounded in the material identical with front cavity 1, rear chamber 2 to make.
As shown in Fig. 1 ~ Fig. 6, in the embodiment of the present invention, one end of described front cavity 1 length direction extends to form first half phonocatheter 1c by reinforcement, and first half phonocatheter 1c one period of while is on one side as a part for medium and high pitch loudspeaker first half installing hole 1b bottom; Corresponding one end of described rear chamber 2 length directions extends to form later half phonocatheter 2c by reinforcement, and later half phonocatheter 2c one period of while is on one side as a part for the later half installing hole 2b of medium and high pitch loudspeaker bottom; When front cavity 1 is spelled composition casing with 2 pairs of rear chambers, first half phonocatheter 1c and later half phonocatheter 2c form complete phonocatheter 5 to spelling.
Claims (10)
1. the excitation source audio amplifier with radiator structure, comprise casing, it is characterized in that: described casing is prolate shape, on the length direction of casing front panel, be provided with at least two woofer installing holes (1a), woofer unit (3) is installed in woofer installing hole (1a), all (3) isoplanars, medium and low spectrum loudspeaker unit and being coaxially set, their acoustic radiating direction is towards casing the place ahead; A short side of described casing one end is provided with medium and high pitch loudspeaker installing hole, medium and high pitch loudspeaker unit (4) is installed in medium and high pitch loudspeaker installing hole, it is vertical that the acoustic radiating direction of medium and high pitch loudspeaker unit (4) and the acoustic radiating direction of front high pitch loudspeaker unit are 90 degree, and medium and high pitch loudspeaker unit (4) are coaxially set with all woofer unit (3).
2. the excitation source audio amplifier with radiator structure as claimed in claim 1, it is characterized in that: on described cabinet rear panel, be provided with several woofer louvres (2a), woofer louvre (2a) is consistent and corresponding concentric with woofer installing hole (1a) number on casing front panel, and bottom, described woofer unit (3) penetrates woofer unit (3) louvre and flushes with cabinet rear panel plane.
3. the excitation source audio amplifier with radiator structure as claimed in claim 2, it is characterized in that: described casing is mainly comprised of front cavity (1) and rear chamber (2), it is upper that described woofer installing hole (1a) is opened in front cavity (1), and described woofer louvre (2a) is opened on rear chamber (2); A short side of described front cavity (1) one end is provided with medium and high pitch loudspeaker first half installing hole (1b), the short side of described rear chamber (2) corresponding end is provided with the later half installing hole of medium and high pitch loudspeaker (2b), when front cavity (1) forms casing with rear chamber (2) to spelling, medium and high pitch loudspeaker first half installing hole (1b) forms complete medium and high pitch loudspeaker installing hole with the later half installing hole of medium and high pitch loudspeaker (2b) to spelling.
4. the excitation source audio amplifier with radiator structure as claimed in claim 1, is characterized in that: described casing is provided with the phonocatheter (5) that box house and outside air are conducted.
5. the excitation source audio amplifier with radiator structure as claimed in claim 4, is characterized in that: the acoustic radiating direction of the outer end opening of described phonocatheter (5) and medium and high pitch loudspeaker unit (4) arranges in the same way.
6. the excitation source audio amplifier with radiator structure as claimed in claim 4, it is characterized in that: described phonocatheter (5) is arranged on the bottom of medium and high pitch loudspeaker unit (4), phonocatheter (5) has one with medium and high pitch loudspeaker installing hole and shares part.
7. the excitation source audio amplifier with radiator structure as claimed in claim 6, is characterized in that: the shared part between described phonocatheter (5) and medium and high pitch loudspeaker installing hole is made by conducting the fireballing material of heat energy.
8. the excitation source audio amplifier with radiator structure as claimed in claim 4, it is characterized in that: described phonocatheter (5) adopts single metal material to make, or adopt metallic film to be compounded in the material identical with front cavity (1), rear chamber (2) to make.
9. the excitation source audio amplifier with radiator structure as claimed in claim 3, it is characterized in that: one end of described front cavity (1) length direction extends to form first half phonocatheter (1c) by reinforcement, first half phonocatheter (1c) one period of while is on one side as a part for medium and high pitch loudspeaker first half installing hole (1b) bottom; Corresponding one end of described rear chamber (2) length direction extends to form later half phonocatheter (2c) by reinforcement, and later half phonocatheter (2c) one period of while is on one side as a part for the later half installing hole of medium and high pitch loudspeaker (2b) bottom; When front cavity (1) forms casing with rear chamber (2) to spelling, first half phonocatheter (1c) forms complete phonocatheter (5) with later half phonocatheter (2c) to spelling.
10. the excitation source audio amplifier with radiator structure as claimed in claim 1, is characterized in that: the specification performance of several described woofer unit (3) is in full accord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361231.5A CN104113799B (en) | 2014-07-25 | 2014-07-25 | Multipoint excitation source speaker with radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361231.5A CN104113799B (en) | 2014-07-25 | 2014-07-25 | Multipoint excitation source speaker with radiator structure |
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| Publication Number | Publication Date |
|---|---|
| CN104113799A true CN104113799A (en) | 2014-10-22 |
| CN104113799B CN104113799B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361231.5A Active CN104113799B (en) | 2014-07-25 | 2014-07-25 | Multipoint excitation source speaker with radiator structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429988A (en) * | 2018-04-27 | 2018-08-21 | 项晓峰 | A kind of Ultrathin speaker structure |
| CN113196794A (en) * | 2018-12-21 | 2021-07-30 | 索尼集团公司 | Sound reproducing device |
Citations (5)
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|---|---|---|---|---|
| US20090211839A1 (en) * | 2006-01-13 | 2009-08-27 | Lamarra Frank | Speaker cabinet and speaker attenuation system, method, and apparatus |
| CN201438741U (en) * | 2009-03-31 | 2010-04-14 | 富准精密工业(深圳)有限公司 | Sounding structure and electronic device employing same |
| CN201839417U (en) * | 2010-08-03 | 2011-05-18 | 邓荣胜 | External loudspeaker box of notebook computer |
| CN203279147U (en) * | 2013-06-06 | 2013-11-06 | 无锡杰夫电声有限公司 | Horn type multi-point excitation loudspeaker case |
| CN203968346U (en) * | 2014-07-25 | 2014-11-26 | 无锡杰夫电声有限公司 | There is the excitation source audio amplifier of radiator structure |
-
2014
- 2014-07-25 CN CN201410361231.5A patent/CN104113799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090211839A1 (en) * | 2006-01-13 | 2009-08-27 | Lamarra Frank | Speaker cabinet and speaker attenuation system, method, and apparatus |
| CN201438741U (en) * | 2009-03-31 | 2010-04-14 | 富准精密工业(深圳)有限公司 | Sounding structure and electronic device employing same |
| CN201839417U (en) * | 2010-08-03 | 2011-05-18 | 邓荣胜 | External loudspeaker box of notebook computer |
| CN203279147U (en) * | 2013-06-06 | 2013-11-06 | 无锡杰夫电声有限公司 | Horn type multi-point excitation loudspeaker case |
| CN203968346U (en) * | 2014-07-25 | 2014-11-26 | 无锡杰夫电声有限公司 | There is the excitation source audio amplifier of radiator structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429988A (en) * | 2018-04-27 | 2018-08-21 | 项晓峰 | A kind of Ultrathin speaker structure |
| CN113196794A (en) * | 2018-12-21 | 2021-07-30 | 索尼集团公司 | Sound reproducing device |
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| Publication number | Publication date |
|---|---|
| CN104113799B (en) | 2018-08-17 |
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Address after: 214192 Xishan District, Wuxi City, Wuxi, Jiangsu Province, Sn Beizhen eight Applicant after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 Xishan District, Wuxi City, Wuxi, Jiangsu Province, Sn Beizhen eight Applicant before: Jiefu Electroacoustic Co., Ltd., Wuxi |
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Denomination of invention: Multipoint excitation source sound box with radiating structure Effective date of registration: 20190705 Granted publication date: 20180817 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Wuxi, Xishan branch Pledgor: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Registration number: 2019990000661 |