CN104113800A - Dumbbell reverse-phase sound box with high pitch compensation - Google Patents
Dumbbell reverse-phase sound box with high pitch compensation Download PDFInfo
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- CN104113800A CN104113800A CN201410361657.0A CN201410361657A CN104113800A CN 104113800 A CN104113800 A CN 104113800A CN 201410361657 A CN201410361657 A CN 201410361657A CN 104113800 A CN104113800 A CN 104113800A
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- high pitch
- pitch loudspeaker
- installing hole
- phonocatheter
- rear chamber
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Abstract
The invention relates to a dumbbell reverse-phase sound box with high pitch compensation. The sound box comprises a box body and is characterized in that the box body is long and flat, two low-mid pitch loudspeaker installation holes which are in center symmetry are formed in a front panel of the box body in the length direction, and a low-mid pitch loudspeaker unit is installed in each low-mid pitch loudspeaker installation hole. A front high pitch loudspeaker installation hole is formed in the middle of the two low-mid pitch loudspeaker installation holes, and a front high pitch loudspeaker unit is installed in the front high pitch loudspeaker installation hole. The two low-mid pitch loudspeaker units and the front high pitch loudspeaker unit are located coaxially on the same plane, and the sound of the units is radiated towards the front of the box body. A lateral high pitch loudspeaker installation hole is formed in a long side of the box body, and a lateral high pitch loudspeaker unit is installed in the lateral high pitch loudspeaker installation hole. The dumbbell reverse-phase sound box is ingenious, compact and reasonable in structure, wide in sound field, small in distortion, good in balance degree and low frequency, high in bearable power and good in vertical directivity and high frequency performance.
Description
Technical field
The present invention relates to a kind of loudspeaker acoustic enclosure, specifically a kind of dumbbell type reflex cabinet with high pitch compensation 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 set such as LCD, OLED, while conventionally adopting multi-loudspeaker to form " sound column formula " array, although can improve maximum sound pressure level, because of the interference between multiple loud speakers, cause directive property narrow.In order to improve the high frequency directive property of loudspeaker array, there is again a kind of dumbbell type structure that a front high pitch loudspeaker is set two identical medium and low spectrum loudspeaker vertical centred position, the little dumbbell structure audio amplifier in large centre, this kind of two, have that sound field is wide, distortion is little, the degree of balance and low frequency good, can bear the advantages such as power is large, but due to still can mutually interfering of two medium and low spectrum loudspeakers, can cause vertical directivity narrow, the shortcomings such as high frequency variation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of dumbbell type reflex cabinet with high pitch compensation is provided, it is simple in structure, can retain the advantage of dumbbell loudspeaker box, can improve again the shortcoming of vertical directivity and high frequency aspect, make television manufacturer needn't too much consider that the directive property of audio amplifier just reaches good sound effect in the time using this audio amplifier.
According to technical scheme provided by the invention: the dumbbell type reflex cabinet with high pitch compensation, comprise casing, it is characterized in that: described casing is prolate shape, on the length direction of casing front panel, be provided with the medium and low spectrum loudspeaker installing hole that two Central Symmetries are arranged, medium and low spectrum loudspeaker unit is installed in medium and low spectrum loudspeaker installing hole; In the middle of two medium and low spectrum loudspeaker installing holes, be provided with a front high pitch loudspeaker installing hole, front high pitch loudspeaker unit is installed in front high pitch loudspeaker installing hole; Two described medium and low spectrum loudspeaker unit and isoplanars, front high pitch loudspeaker unit and being coaxially set, their acoustic radiating direction is towards casing front; The long side of described casing is provided with side high pitch loudspeaker installing hole, and side high pitch loudspeaker unit is installed in side high pitch loudspeaker installing hole, and it is vertical that the acoustic radiating direction of side high pitch loudspeaker unit and the acoustic radiating direction of front high pitch loudspeaker unit are 90 degree.
As a further improvement on the present invention, described casing is mainly made up of front cavity and rear chamber, and described medium and low spectrum loudspeaker installing hole and front high pitch loudspeaker installing hole are opened on front cavity; A long side of described front cavity is provided with side high pitch loudspeaker first half installing hole, long side corresponding on described rear chamber is provided with the later half installing hole of side high pitch loudspeaker, when front cavity and rear chamber form casing to spelling, side high pitch loudspeaker first half installing hole and the later half installing hole of side high pitch loudspeaker are to spelling the side high pitch loudspeaker installing hole that composition is complete.
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, described phonocatheter is positioned at one end of casing length direction.
As a further improvement on the present invention, described casing is mainly made up of front cavity and rear chamber, one end of described front cavity length direction extends to form first half phonocatheter by reinforcement, corresponding one end of described rear chamber length direction extends to form later half phonocatheter by reinforcement, when front cavity and rear chamber form casing to spelling, first half phonocatheter and later half phonocatheter are to spelling the phonocatheter that composition is complete.
As a further improvement on the present invention, described front high pitch loudspeaker unit is arranged on the middle position of halving of two medium and low spectrum loudspeaker unit vertical center lines.
As a further improvement on the present invention, on the panel of described front cavity, be provided with several screw holes, the inwall of described rear chamber is provided with several screw columns, and described screw column is corresponding one by one with screw hole, and front cavity is connected with the fastened by screw in screw column by screw hole with rear chamber.
As a further improvement on the present invention, the specification of described two medium and low spectrum loudspeaker unit is in full accord.
As a further improvement on the present invention, described front cavity, rear chamber and phonocatheter all adopt same material to make.
As a further improvement on the present invention, described front cavity, rear chamber and phonocatheter all adopt plastic material to make.
compared with prior art, advantage is in the present invention:structure of the present invention is ingenious, compact and reasonable, be by arranging two medium and low spectrum loudspeaker unit and the front high pitch loudspeaker unit that dumbbell type is arranged in casing, and at the side of casing, side high pitch loudspeaker unit is set, and it is vertical that side high pitch loudspeaker unit and front high pitch loudspeaker unit acoustic radiating direction are 90 degree, by the high frequency characteristics of this side high pitch loudspeaker unit, form the high pitch compensation to dumbbell type reflex cabinet, make whole audio amplifier there is sound field wide, distortion is little, the degree of balance and low frequency are good, power can be born large, the advantages such as vertical directivity and high frequency performance are good.
Brief description of the drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the preferred embodiment of the present invention.
Fig. 2 is the front cavity body structure schematic diagram of the preferred embodiment of the present invention.
Fig. 3 is a side schematic diagram of the preferred embodiment of the present invention.
Fig. 4 is the opposite side schematic diagram of the preferred embodiment of the present invention.
Description of reference numerals: 1-front cavity, 1a-medium and low spectrum loudspeaker installing hole, 1b-front high pitch loudspeaker installing hole, 1c-side high pitch loudspeaker first half installing hole, 1d-first half phonocatheter, 1e-screw hole, 2-rear chamber, the later half installing hole of 2a-side high pitch loudspeaker, 2b-later half phonocatheter, 2c-screw column, 3-medium and low spectrum loudspeaker unit, 4-front high pitch loudspeaker unit, 5-side high pitch loudspeaker unit, 6-phonocatheter.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in the figure, the dumbbell type reflex cabinet that has high pitch compensation in embodiment is mainly made up of front cavity 1, rear chamber 2, Squawker unit 3, front high pitch loudspeaker unit 4 and side high pitch loudspeaker unit 5.
As shown in Fig. 1 ~ Fig. 4, described front cavity 1 and rear chamber 2 form the casing of prolate shape, on the panel of front cavity 1, be provided with several screw holes 1e, the inwall of described rear chamber 2 is provided with several screw columns 2c, described screw column 2c is corresponding one by one with screw hole 1e, and front cavity 1 is connected with the fastened by screw in screw column 2c by screw hole 1e with rear chamber 2.
As shown in Fig. 1 ~ Fig. 4, the length direction of described front cavity 1 is provided with the medium and low spectrum loudspeaker installing hole 1a that two Central Symmetries are arranged, two medium and low spectrum loudspeaker unit 3 correspondences are arranged in two medium and low spectrum loudspeaker installing hole 1a; In the middle of two medium and low spectrum loudspeaker installing hole 1a, be provided with a front high pitch loudspeaker installing hole 1b, described front high pitch loudspeaker unit 4 is arranged in front high pitch loudspeaker installing hole 1b; Two described medium and low spectrum loudspeaker unit 3 and 4 isoplanars, front high pitch loudspeaker unit and being coaxially set, their acoustic radiating direction is towards casing front, front high pitch loudspeaker unit 4 is arranged on the middle position of halving of two medium and low spectrum loudspeaker unit 3 vertical center lines, and the specification of two medium and low spectrum loudspeaker unit 3 is in full accord.
As shown in Fig. 1 ~ Fig. 4, a long side of described front cavity 1 is provided with side high pitch loudspeaker first half installing hole 1c, long side corresponding on described rear chamber 2 is provided with the later half installing hole 2a of side high pitch loudspeaker, when front cavity 1 forms casing with rear chamber 2 to spelling, the later half installing hole 2a of side high pitch loudspeaker first half installing hole 1c and side high pitch loudspeaker is to spelling the side high pitch loudspeaker installing hole that composition is complete; Described side high pitch loudspeaker unit 5 is arranged in side high pitch loudspeaker installing hole, and it is vertical that the acoustic radiating direction of side high pitch loudspeaker unit 5 and the acoustic radiating direction of front high pitch loudspeaker unit 4 are 90 degree.In the embodiment of the present invention, described side high pitch loudspeaker unit 5 preferably adopts consistent design with the specification performance of front high pitch loudspeaker unit 4, can strengthen like this high frequency performance and the directive property of whole audio amplifier.
In addition, another side high pitch loudspeaker unit 5 can also be set on another long side of described casing again, the acoustic radiating direction of the acoustic radiating direction of another side high pitch loudspeaker unit 5 and front high pitch loudspeaker unit 4 is same is that 90 degree are vertical to be arranged.
As shown in Fig. 1 ~ Fig. 4, described casing is provided with the phonocatheter 6 that box house and outside air are conducted, phonocatheter 6, for the inner and outside air-flow of conducting audio amplifier, makes the all-bottom sound of medium and low spectrum loudspeaker unit 3 be transmitted to outside by phonocatheter 6, strengthens the sound effect of low frequency.Preferably, described phonocatheter 6 is positioned at one end of casing length direction.
In the embodiment of the present invention, one end of described front cavity 1 length direction extends to form first half phonocatheter 1d by reinforcement, corresponding one end of described rear chamber 2 length directions extends to form later half phonocatheter 2b by reinforcement, when front cavity 1 forms casing with rear chamber 2 to spelling, first half phonocatheter 1d and later half phonocatheter 2b are to spelling the phonocatheter 6 that composition is complete.
In the embodiment of the present invention, described front cavity 1, rear chamber 2 and phonocatheter 6 all adopt same material to make.Preferably adopt plastic material to make.
Claims (10)
1. there is the dumbbell type reflex cabinet of high pitch compensation, comprise casing, it is characterized in that: described casing is prolate shape, on the length direction of casing front panel, be provided with the medium and low spectrum loudspeaker installing hole (1a) that two Central Symmetries are arranged, medium and low spectrum loudspeaker unit (3) is installed in medium and low spectrum loudspeaker installing hole (1a); In the middle of two medium and low spectrum loudspeaker installing holes (1a), be provided with a front high pitch loudspeaker installing hole (1b), front high pitch loudspeaker unit (4) is installed in front high pitch loudspeaker installing hole (1b); Described two medium and low spectrum loudspeaker unit (3) and (4) isoplanar, front high pitch loudspeaker unit and be coaxially set, their acoustic radiating direction is towards casing front; The long side of described casing is provided with side high pitch loudspeaker installing hole, side high pitch loudspeaker unit (5) is installed in side high pitch loudspeaker installing hole, and it is vertical that the acoustic radiating direction of side high pitch loudspeaker unit (5) and the acoustic radiating direction of front high pitch loudspeaker unit (4) are 90 degree.
2. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 1, it is characterized in that: described casing is mainly made up of front cavity (1) and rear chamber (2), described medium and low spectrum loudspeaker installing hole (1a) and front high pitch loudspeaker installing hole (1b) are opened on front cavity (1); A long side of described front cavity (1) is provided with side high pitch loudspeaker first half installing hole (1c), the upper corresponding long side of described rear chamber (2) is provided with the later half installing hole of side high pitch loudspeaker (2a), when front cavity (1) forms casing with rear chamber (2) to spelling, side high pitch loudspeaker first half installing hole (1c) and the later half installing hole of side high pitch loudspeaker (2a) are to spelling the side high pitch loudspeaker installing hole that composition is complete.
3. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 1, is characterized in that: described casing is provided with the phonocatheter (6) that box house and outside air are conducted.
4. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 3, is characterized in that: described phonocatheter (6) is positioned at one end of casing length direction.
5. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 1, it is characterized in that: described casing is mainly made up of front cavity (1) and rear chamber (2), one end of described front cavity (1) length direction extends to form first half phonocatheter (1d) by reinforcement, corresponding one end of described rear chamber (2) length direction extends to form later half phonocatheter (2b) by reinforcement, when front cavity (1) forms casing with rear chamber (2) to spelling, first half phonocatheter (1d) and later half phonocatheter (2b) are to spelling the phonocatheter (6) that composition is complete.
6. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 1, is characterized in that: described front high pitch loudspeaker unit (4) is arranged on the middle position of halving of two medium and low spectrum loudspeaker unit (3) vertical center line.
7. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 1, it is characterized in that: on the panel of described front cavity (1), be provided with several screw holes (1e), the inwall of described rear chamber (2) is provided with several screw columns (2c), described screw column (2c) is corresponding one by one with screw hole (1e), and front cavity (1) is connected with the fastened by screw in screw column (2c) by screw hole (1e) with rear chamber (2).
8. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 1, is characterized in that: the specification of described two medium and low spectrum loudspeaker unit (3) is in full accord.
9. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 3, is characterized in that: described front cavity (1), rear chamber (2) and phonocatheter (6) all adopt same material to make.
10. the dumbbell type reflex cabinet with high pitch compensation as claimed in claim 3, is characterized in that: described front cavity (1), rear chamber (2) and phonocatheter (6) all adopt plastic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361657.0A CN104113800B (en) | 2014-07-25 | 2014-07-25 | Dumbbell type reflex cabinet with high pitch compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361657.0A CN104113800B (en) | 2014-07-25 | 2014-07-25 | Dumbbell type reflex cabinet with high pitch compensation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104113800A true CN104113800A (en) | 2014-10-22 |
| CN104113800B CN104113800B (en) | 2018-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361657.0A Active CN104113800B (en) | 2014-07-25 | 2014-07-25 | Dumbbell type reflex cabinet with high pitch compensation |
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| Country | Link |
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| CN (1) | CN104113800B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110509860A (en) * | 2019-08-15 | 2019-11-29 | 浙江合众新能源汽车有限公司 | A kind of woofer installation design method of points |
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| BE825962A (en) * | 1974-03-01 | 1975-06-16 | IMPROVEMENTS TO AUDIO-FREQUENCY SPEAKER SYSTEMS INTENDED TO BE INSTALLED IN A ROOM | |
| CN2290160Y (en) * | 1997-04-01 | 1998-09-02 | 曹正宏 | Dumbbell loudspeaker box |
| CN2779774Y (en) * | 2005-04-29 | 2006-05-10 | 张前 | Dual-component loudspeaker box |
| US20080285762A1 (en) * | 2007-05-15 | 2008-11-20 | Keiichi Iwamoto | Point source speaker systems |
| CN103209373A (en) * | 2013-04-16 | 2013-07-17 | 歌尔声学股份有限公司 | Speaker module and production method thereof |
| 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 |
| CN103597851A (en) * | 2011-01-06 | 2014-02-19 | 一象科技股份有限公司 | Innovative sound system |
| CN103796129A (en) * | 2012-11-05 | 2014-05-14 | 曾山 | Coaxial-line array sound box |
| CN203645811U (en) * | 2013-08-24 | 2014-06-11 | 江源丰 | Novel sound box with foldback function |
| CN204069282U (en) * | 2014-07-25 | 2014-12-31 | 无锡杰夫电声有限公司 | There is the dumbbell type reflex cabinet that high pitch compensates |
-
2014
- 2014-07-25 CN CN201410361657.0A patent/CN104113800B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE825962A (en) * | 1974-03-01 | 1975-06-16 | IMPROVEMENTS TO AUDIO-FREQUENCY SPEAKER SYSTEMS INTENDED TO BE INSTALLED IN A ROOM | |
| CN2290160Y (en) * | 1997-04-01 | 1998-09-02 | 曹正宏 | Dumbbell loudspeaker box |
| CN2779774Y (en) * | 2005-04-29 | 2006-05-10 | 张前 | Dual-component loudspeaker box |
| US20080285762A1 (en) * | 2007-05-15 | 2008-11-20 | Keiichi Iwamoto | Point source speaker systems |
| CN103597851A (en) * | 2011-01-06 | 2014-02-19 | 一象科技股份有限公司 | Innovative sound system |
| CN103796129A (en) * | 2012-11-05 | 2014-05-14 | 曾山 | Coaxial-line array sound box |
| CN103209373A (en) * | 2013-04-16 | 2013-07-17 | 歌尔声学股份有限公司 | Speaker module and production method thereof |
| 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 |
| CN203645811U (en) * | 2013-08-24 | 2014-06-11 | 江源丰 | Novel sound box with foldback function |
| CN204069282U (en) * | 2014-07-25 | 2014-12-31 | 无锡杰夫电声有限公司 | There is the dumbbell type reflex cabinet that high pitch compensates |
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| Publication number | Publication date |
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| CN104113800B (en) | 2018-07-27 |
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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: Dumbbell reverse-phase sound box with high pitch compensation Effective date of registration: 20190705 Granted publication date: 20180727 Pledgee: Agricultural Bank of China, Limited by Share Ltd, Wuxi, Xishan branch Pledgor: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Registration number: 2019990000661 |