CN101765039A - Wine bucket shaped loudspeaker box - Google Patents
Wine bucket shaped loudspeaker box Download PDFInfo
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- CN101765039A CN101765039A CN200910309923A CN200910309923A CN101765039A CN 101765039 A CN101765039 A CN 101765039A CN 200910309923 A CN200910309923 A CN 200910309923A CN 200910309923 A CN200910309923 A CN 200910309923A CN 101765039 A CN101765039 A CN 101765039A
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Abstract
The invention discloses a wine bucket shaped loudspeaker box, comprising a loudspeaker box body and a loudspeaker box bracket; the loudspeaker box body comprises a wine bucket shaped box body and a loudspeaker arranged at the front end surface of the box body, a phase-reversing tube is arranged in the box body, a phase-reversing hole is arranged at the rear end surface of the box body, one end of the phase-reversing tube is arranged at the position of the phase-reversing hole and is vertically and fixedly connected with the rear end surface of the box body, the loudspeaker is electrically connected with an external sound source by a loudspeaker wiring terminal, wave mode sound absorption wool is arranged on the inner wall of the box body, the wine bucket shaped loudspeaker box eliminates the harmonic distortion and resonance of tone quality, caused by flat box body surfaces and edge corners of a common resonance, increases low-frequency diving power and reduces nonlinear distortion of audio frequency, the design of the wine bucket shaped box body changes the disadvantage that the common loudspeaker box has poor shock resistance, promotes the mechanical property of the loudspeaker box structure and can support high audio-frequency power; in addition, the wine bucket shaped appearance design of the loudspeaker box is artistic and elegant, and the function and the decoration are perfectly combined.
Description
Technical field
The present invention relates to a kind of audio amplifier, relate in particular to a kind of Wine bucket shaped loudspeaker box.
Background technology
Existing in the market audio amplifier, mostly be common long cube or regular cube profile, though such audio amplifier is made fairly simple and convenient, but its box shape is commonplace, casing is bigger to the reproduction quality influence of tonequality, be easy to generate harmful standing wave composition in the parallel casing of wall, standing wave easily concentrates on a certain frequency, vibration velocity to diffuser exerts an influence, bigger platen area, it is sharp-pointed that not only the directive property that makes the audio amplifier medium-high frequency becomes, also can make the resonance problems of panel become more outstanding, simultaneously, sound wave (especially low frequency) can motivate secondary wave on the corner angle of long cube or regular cube shape casing, cause the stack of sound wave, influence the precision of phase place, in addition because there is surface of discontinuity in the casing of long cube shaped or regular cube shape to the diffraction of sound wave, its relatively the shape of symmetry be easy to cause the peak value of response of intermediate frequency.In order to solve the deficiency that common audio amplifier exists standing wave interference and covibration easily, prior art has been done some improvement at different aspect, as China Patent No. 200520058062.4, name is called the utility model patent of compound audio amplifier, comprise casing, be located at the loud speaker and the phase-reversing tube of the different frequency on the casing wall, at the cabinet wall face and cover in the cage at the loud speaker back side, described casing is composited by the material of three layers of density, though casing is reinforced, simultaneously by increasing the phase mutual interference that cage prevents audio frequency at loud speaker back, but because the difference on different big or small sound boxes plane, having brought great inconvenience for design and making, still is not very desirable to the reduction of audio frequency.
Summary of the invention
The present invention mainly solves the harmonic wave harm of common audio amplifier and the technical problem of audio frequency distortion; Provide a kind of can harmonic carcellation influence and resonance, improve audio frequency phase accuracy, total harmonic distortion little, to bear audio power big, elegant in appearance again simultaneously and be rich in the Wine bucket shaped loudspeaker box of artistic feeling.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
The present invention includes audio amplifier body and sound box bracket, described audio amplifier body comprises round barrel shape casing broad in the middle small in ends and the loud speaker that is located on casing one side end face, one side end face of described casing is provided with speaker hole, described loud speaker is fixed by described speaker hole and casing end face, described loud speaker is electrically connected with external sound source by the loudspeaker wiring post, the round barrel shape design of audio amplifier, changed the deficiency of common audio amplifier impact resistance difference, make the mechanical property of loudspeaker box structure obtain very big lifting, it is sharp-pointed to the reflection standing wave directive property of audio frequency to have eliminated dull and stereotyped casing, panel resonance harm distinct issues, avoided the influence that the diffuser vibration velocity is produced of concentrating of harmful standing wave, tonequality is good when big volume is exported, the tone sense foot makes audio amplifier can bear bigger audio power.
As preferably, the material of described casing is a high density, the high-grade timber of high rigidity, whole box body adopts high-grade wood chip to be spliced into the fat shape, adopt import glue seamless spliced between wood chip, good airproof performance, the arcuate flanks of casing is provided with some ring-type clamping bands, the casing arc of described clamping band and relevant position matches, described clamping band is provided with some bubble nails hole, clamping band is fixed high density by the bubble nail with casing, the fat shape casing that the high-grade timber of high rigidity is made, the band of hooping is with the tight banding of wood chip, make audio amplifier more firm, increased the ability of the anti-audio frequency peak value of casing.
As preferably, the material of described clamping band is a metal material, and intensity is big, firmly and reliable.
As preferably, described loud speaker is a full range formula foam Bian Keding cone loudspeaker, under the prerequisite that does not reduce tonequality reduction degree and tone color, the volume of audio amplifier is reduced, and makes simply, and the width of sound field increases.
As preferably, be provided with phase-reversing tube in the described casing, have paraphase hole on the rear end face of described casing, described paraphase hole and described phase-reversing tube match, one end of phase-reversing tube is located at the paraphase hole place and fixedlys connected with the rear end face of casing, described phase-reversing tube is the straight tube of hollow, the paraphase hole of the external diameter of described phase-reversing tube and described box back face coincide, one end of phase-reversing tube is located at the paraphase hole place and fixedlys connected with the rear end face of casing, the Surface Vertical of the axis of described phase-reversing tube and box back face, the axis of phase-reversing tube and the parallel axes of loud speaker, the axis of phase-reversing tube and the axis of loud speaker be not on same straight line, the phase-reversing tube that well-designed and rear end face is installed make loud speaker after 180 ° of the ripple paraphase of shaking, and export through phase-reversing tube, the audio amplifier layout is flexible, audio amplifier adopts backpack paraphase principle, the outlet of phase-reversing tube is arranged on the rear end face of audio amplifier, phase-reversing tube output audio signal and loud speaker front end signal are with superimposed, make the low frequency dive darker, nonlinear distortion is little, highly sensitive, alerting ability improves, and has expanded the width of replay sound field.
As preferably, also be provided with the loudspeaker wiring post on the described box back face, described loudspeaker wiring post is located at the top of described paraphase hole, the material of described loudspeaker wiring post is copper, surface at the loudspeaker wiring post is provided with Gold plated Layer, copper gold-plated loudspeaker wiring post has been eliminated the decay and the interference of audio signal, makes tone color purer.
As preferably, described cabinet wall is provided with sound-absorbing material, and described sound-absorbing material surface is provided with irregular some projectioies and shrinkage pool, and the interference of harmonic wave to audio frequency eliminated in the use of sound-absorbing material more, makes audio frequency purer, and reproducibility is better.
As preferably, described support comprises front supporting plate, rear carrier plate and connecting rod, described front supporting plate and rear carrier plate link into an integrated entity by described connecting rod, the top of described front and rear support plate is provided with arc-shaped groove, the arcuate flanks of described groove and described sound box matches, be provided with circular-arc breach in the middle of the bottom of described front and rear support plate, described circular-arc breach makes the two ends, bottom of front and rear support plate form runners, described runners contacts with supporting surface, front and rear support plate is fixed by connecting rod, make support not only attractive in appearance but also firm, it is firm that arc-shaped groove is placed the audio amplifier body, the material that the circular-arc breach of support plate bottom has been saved support uses, and it is more stable that support is placed, and it is littler to resonate.
As preferably, the arc-shaped groove of described front and rear support plate is provided with one deck vibration absorptive material, and described audio amplifier body is placed on the sound box bracket by vibration absorptive material, and the vibration absorptive material that is provided with on the groove makes audio frequency reduce by the resonance that support causes.
The invention has the beneficial effects as follows: eliminated the surface of the flat casing of common audio amplifier and harmonic distortion and the resonance that corner angle bring tonequality, on tonequality, promoted the soft property of sound, improved sensitivity, increased the submerged depth of low frequency, made the nonlinear distortion of audio frequency little, sound field is broad, round audio amplifier can bear bigger audio power, simultaneously, the configuration design of audio amplifier fat formula is elegant in appearance and be rich in artistic feeling, and function and decoration are perfectly combined.
Description of drawings
Fig. 1 is a left view before a kind of three-dimensional profile of the present invention.
Fig. 2 is a right view after a kind of three-dimensional profile of the present invention.
Fig. 3 is a kind of casing generalized section of the present invention.
Fig. 4 is a kind of sound box bracket stereogram of the present invention.
1. fat shape casings among the figure, 2. loud speaker, 3. phase-reversing tube, 4. paraphase hole, 5. loudspeaker wiring post, 6. clamping band, 7. front supporting plate, 8. rear carrier plate, 9. connecting rod, 10. arc-shaped groove, 11. circular-arc breach, 12. vibration absorptive materials, 13. runners
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: the inverted phase type Wine bucket shaped loudspeaker box of present embodiment, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, comprise audio amplifier body and sound box bracket, the audio amplifier body comprises fat shape casing 1, be installed in the full range formula loud speaker 2 of casing one side end face and be installed in phase-reversing tube 3 in the casing 1, have paraphase hole 4 on the other end of casing 1, paraphase hole 4 matches with phase-reversing tube 3, and an end of phase-reversing tube 3 is placed on paraphase hole 4 places and is connected with the rear end face vertical fixing of casing 1.Audio amplifier adopts backpack paraphase principle, and the outlet of phase-reversing tube 3 is opened on the rear end face of casing, after the caliber d of phase-reversing tube 3 determines, and the length L of phase-reversing tube 3=2.25 * 10
3* d
2÷ f
B 2V
B-1.15d, simultaneously, L＜D-2d
1, (in the formula: L-phase-reversing tube length (m), D-cabinet depth (m), d
1Be footpath (m) in the opening of phase-reversing tube, f
B-tuned frequency, V
B-tank-volumes, d-phase-reversing tube interior diameter).The parallel axes of phase-reversing tube 3 is in the axis of loud speaker 2 but both are not on same straight line, shake behind the loud speaker 2 ripple by means of anti-phase 180 ° of the rear end face backboard of casing 1 after, discharge through phase-reversing tube 3, and with loud speaker 2 before shake sound wave with superimposed, penetrate thereby increased the total width of cloth of low frequency, make the low frequency dive of sound darker, nonlinear distortion reduces, sensitivity improves, and alerting ability promotes, and has expanded the width of replay sound field.The casing 1 of audio amplifier adopts high density, the high-grade rubber wood timber of high rigidity is made, whole box body 1 adopts the thick rubber wood chip of 14mm to be spliced into round barrel shape broad in the middle small in ends, the casing internal volume is 3L, the vertical height of audio amplifier is 255mm, the drum mid diameter is 185mm, the diameter of two ends bore is φ 155mm, the timber sheet calculates in strict accordance with the radian of casing, and through numerically controlled lathe fine finishining, adopt import glue seamless spliced between wood chip, good airproof performance, the round barrel shape design of audio amplifier, changed the deficiency of common audio amplifier impact resistance difference, made the mechanical property of loudspeaker box structure obtain very big lifting, eliminated the second harmonic that sound wave (especially low frequency) motivates on casing flat board and corner angle; Axis along sound box 1 is equipped with four annular metal clamping bands 6 on the arc-shaped outer surface of casing 1, clamping band 6 is tightly waled casing 1, have some bubble nails hole on the clamping band 6, clamping band 6 is closely fixing by bubble nail and casing 1, the fat shape casing 1 that the rubber wood timber of high density and high rigidity is made, hoop with 6 lock ring effect, promoted the ability of casing 1 opposing audio peak wave impact, make audio amplifier can bear bigger audio power, it is sharp-pointed to the directive property of acoustic reflections standing wave to have eliminated dull and stereotyped casing, panel resonance harm distinct issues, the influence of having avoided harmful standing wave that the cone vibration velocity of loud speaker 2 is produced, tonequality is good when big volume output, the tone sense foot.Loud speaker 2 is 4 cun foam Bian Keding cone full range formula loud speakers of D103-S8, impedance is 4 Ω, sensitivity is 45HZ-20KHZ, power output is 30W, signal to noise ratio 〉=50db, full range formula loud speaker reduce the volume of audio amplifier under the prerequisite that does not reduce audio frequency reduction degree and tone color, make simply, the width of sound field increases.The phase-reversing tube 3 of audio amplifier is the straight tube of hollow, phase-reversing tube is of a size of 30mm * 150mm, the phase-reversing tube wall thickness is 5mm, the paraphase hole 4 of the external diameter of phase-reversing tube 3 and casing 1 rear end face coincide, one end of phase-reversing tube 3 is located at paraphase hole 4 places and fixedlys connected with the rear end face of casing 1, the other end near loud speaker and with speaker bottom apart from 20mm≤S≤100mm, because phase-reversing tube is equivalent to an inductance element in audio amplifier, it will produce very big induction reactance when medium-high frequency, be equivalent to open circuit, so can not produce short-circuiting effect, and well-designed and back phase-reversing tube 3 to installation makes the bass part tonequality of audio frequency better, and tone color is softer and full.Also be provided with copper loudspeaker wiring post 5 on casing 1 rear end face, the surface of loudspeaker wiring post 5 is coated with one deck proof gold coating, 5 designs of loudspeaker wiring post are above paraphase hole 4, loud speaker 2 is electrically connected with loudspeaker wiring post 5, the use of copper gold-plated loudspeaker wiring post 5, reduced the decay and the interference of audio signal, made sound purer and soft and graceful.Post the thick wave acoustical cotton of 40mm on the inwall of sound box 1 and the phase-reversing tube 3, the wave acoustical cotton increases 4 times than general dull and stereotyped sound-absorbing material acoustic absorptivity, and the wave acoustical cotton has been eliminated the interference of reflected harmonics to audio frequency, makes audio frequency purer, and reproducibility is better.Sound box bracket comprises front supporting plate 7, rear carrier plate 8 and two connecting rods 9, front supporting plate 7 and rear carrier plate 8 link into an integrated entity by two connecting rods 9, front and rear support plate 7,8 is trapezoidal plate, front and rear support plate 7,8 top middle portion has arc-shaped groove 10, arc-shaped groove 10 coincide with the arcuate flanks of sound box 1, front and rear support plate 7, be covered with one deck vibration absorptive material 12 on 8 the top arc-shaped groove 10, sound box 1 is placed on the arc-shaped groove 10 steadily by vibration absorptive material 12, front and rear support plate 7, have circular-arc breach 11 between 8 the footing, attractive in appearance and save material, circular-arc breach 11 makes front and rear support plate 7,8 two ends, bottom form runners 13, less runners 13 has reduced the contact area of support and supporting surface, the transmission that vibration absorptive material of laying on the support circular groove 10 12 and less support runners 13 have fully intercepted low frequency wave, eliminated the muddiness of low frequency, audio frequency is reduced by the resonance that support causes, the reproducibility and the pure property of audio frequency have been guaranteed, inverted phase type Wine bucket shaped loudspeaker box of the present invention, the flat tank surface of common audio amplifier and harmonic distortion and the resonance that corner angle bring tonequality have been eliminated, on tonequality, promoted the soft property of sound, sensitivity, increased the submerged depth of low frequency, make the nonlinear distortion of audio frequency little, sound field is broad, audio amplifier can bear bigger audio power, simultaneously, the fat formula configuration design of audio amplifier was both elegant in appearance and be rich in artistic feeling, do not reduce the result of use of audio amplifier again, reach the perfect adaptation of function and decoration, opened up the scope of application of audio amplifier.
More than explanation is not that the present invention has been done restriction; the present invention also is not limited only to giving an example of above-mentioned explanation; the variation that those skilled in the art have done in essential scope of the present invention, retrofit, increase or replace, all should be considered as protection scope of the present invention.
Claims (9)
1. Wine bucket shaped loudspeaker box, it is characterized in that: the sound box bracket that comprises audio amplifier body and support audio amplifier body, described audio amplifier body comprises round barrel shape casing (1) broad in the middle small in ends and is located at loud speaker (2) on casing (1) one side end face, one side end face of described casing (1) is provided with speaker hole, described loud speaker (2) is fixed by the end face of described speaker hole and casing (1), and described loud speaker (2) is electrically connected with external sound source by loudspeaker wiring post (5).
2. Wine bucket shaped loudspeaker box according to claim 1, it is characterized in that: the material of described casing (1) is the high-grade timber of high density, high rigidity, whole box body (1) adopts the high-grade timber sheet to be spliced into the fat shape, adopt import glue seamless spliced between wood chip, casing (1) side is provided with some ring-type clamping bands (6), described clamping band (6) matches with casing (1) size of relevant position, described clamping band (6) is provided with some bubble nails hole, and clamping band (6) is fixing by bubble nail and casing (1).
3. Wine bucket shaped loudspeaker box according to claim 2 is characterized in that: the material of described clamping band (6) is a metal material.
4. Wine bucket shaped loudspeaker box according to claim 1 is characterized in that: described loud speaker (2) is a full range formula foam Bian Keding cone loudspeaker.
5. Wine bucket shaped loudspeaker box according to claim 1, it is characterized in that: be provided with phase-reversing tube (3) in the described casing (1), have paraphase hole (4) on the rear end face of described casing (1), described paraphase hole (4) matches with described phase-reversing tube (3), one end of phase-reversing tube (3) is located at that paraphase hole (4) is located and fixedlys connected with the rear end face of casing (1), described phase-reversing tube (3) is the straight tube of hollow, the material of phase-reversing tube (3) is the whole high-grade timber of high density and high rigidity, the Surface Vertical of the axis of described phase-reversing tube (3) and casing (1) rear end face.
6. Wine bucket shaped loudspeaker box according to claim 1, it is characterized in that: described casing (1) rear end face is provided with loudspeaker wiring post (5), described loudspeaker wiring post (5) is located at the top of described paraphase hole (4), the material of described loudspeaker wiring post (5) is copper, and the surface of loudspeaker wiring post (5) is provided with one deck Gold plated Layer.
7. Wine bucket shaped loudspeaker box according to claim 1 and 2 is characterized in that: described casing (1) inwall is provided with sound-absorbing porous material, and described sound-absorbing porous material surface is provided with irregular some projectioies and shrinkage pool.
8. Wine bucket shaped loudspeaker box according to claim 1, it is characterized in that: described sound box bracket comprises front supporting plate (7), rear carrier plate (8) and connecting rod (9), described front supporting plate (7) and rear carrier plate (8) link into an integrated entity by described connecting rod (9), described front and rear support plate (7,8) be trapezoidal plate, front and rear support plate (7,8) be provided with arc-shaped groove (10) in the middle of the top, described arc-shaped groove (10) matches with the arcuate flanks of described sound box (1), described front and rear support plate (7,8) be provided with circular-arc breach (11) in the middle of the bottom, described circular-arc breach (11) is at front and rear support plate (7,8) two ends, bottom form runners (13), and described runners (13) contacts with supporting surface.
9. Wine bucket shaped loudspeaker box according to claim 8 is characterized in that: the arc-shaped groove (10) of described front and rear support plate (7,8) is provided with one deck vibration absorptive material (12), and described audio amplifier body is placed on the sound box bracket by vibration absorptive material (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910309923A CN101765039A (en) | 2009-11-19 | 2009-11-19 | Wine bucket shaped loudspeaker box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910309923A CN101765039A (en) | 2009-11-19 | 2009-11-19 | Wine bucket shaped loudspeaker box |
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| CN101765039A true CN101765039A (en) | 2010-06-30 |
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| CN200910309923A Pending CN101765039A (en) | 2009-11-19 | 2009-11-19 | Wine bucket shaped loudspeaker box |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974166A (en) * | 2014-05-08 | 2014-08-06 | 常州市泛亚汽车饰件有限公司 | High fidelity audio device for automobile |
| CN105161089A (en) * | 2015-06-17 | 2015-12-16 | 成都斯铂润音响设备有限公司 | Sound absorbing device |
| CN106162459A (en) * | 2016-07-20 | 2016-11-23 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure and there is the electronic equipment of this loudspeaker enclosure |
| WO2017024987A1 (en) * | 2015-08-07 | 2017-02-16 | Sound Solutions International Co., Ltd. | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material |
| CN107380730A (en) * | 2017-08-28 | 2017-11-24 | 许强 | A kind of sound equipment fat |
| CN107547971A (en) * | 2017-09-28 | 2018-01-05 | 台山钟神音响科技有限公司 | A kind of integrated loudspeaker box device |
| CN107708022A (en) * | 2017-09-28 | 2018-02-16 | 台山钟神音响科技有限公司 | A kind of new combination sound box |
| CN108200513A (en) * | 2018-02-13 | 2018-06-22 | 潘海啸 | A kind of nature circular horn formula paraphase structure mini speaker |
| CN109842833A (en) * | 2017-11-28 | 2019-06-04 | 深圳市艾特铭客科技有限公司 | Speaker |
| CN109996147A (en) * | 2017-12-31 | 2019-07-09 | 宁波升亚电子有限公司 | Low frequency generating device and low frequency generating apparatus and its application |
| CN110381414A (en) * | 2019-08-09 | 2019-10-25 | 陈国富 | High fidelity speaker with high acoustic resistance cabinet and inductance capacitance buffer circuit |
-
2009
- 2009-11-19 CN CN200910309923A patent/CN101765039A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974166A (en) * | 2014-05-08 | 2014-08-06 | 常州市泛亚汽车饰件有限公司 | High fidelity audio device for automobile |
| CN105161089B (en) * | 2015-06-17 | 2019-10-15 | 成都斯铂润音响设备有限公司 | A kind of sound absorber |
| CN105161089A (en) * | 2015-06-17 | 2015-12-16 | 成都斯铂润音响设备有限公司 | Sound absorbing device |
| WO2017024987A1 (en) * | 2015-08-07 | 2017-02-16 | Sound Solutions International Co., Ltd. | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material |
| CN106162459A (en) * | 2016-07-20 | 2016-11-23 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure and there is the electronic equipment of this loudspeaker enclosure |
| CN106162459B (en) * | 2016-07-20 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | Speaker box and electronic equipment with same |
| CN107380730A (en) * | 2017-08-28 | 2017-11-24 | 许强 | A kind of sound equipment fat |
| CN107380730B (en) * | 2017-08-28 | 2023-02-28 | 许强 | Sound wine barrel |
| CN107708022A (en) * | 2017-09-28 | 2018-02-16 | 台山钟神音响科技有限公司 | A kind of new combination sound box |
| CN107547971A (en) * | 2017-09-28 | 2018-01-05 | 台山钟神音响科技有限公司 | A kind of integrated loudspeaker box device |
| CN109842833A (en) * | 2017-11-28 | 2019-06-04 | 深圳市艾特铭客科技有限公司 | Speaker |
| CN109996147A (en) * | 2017-12-31 | 2019-07-09 | 宁波升亚电子有限公司 | Low frequency generating device and low frequency generating apparatus and its application |
| CN108200513A (en) * | 2018-02-13 | 2018-06-22 | 潘海啸 | A kind of nature circular horn formula paraphase structure mini speaker |
| CN110381414A (en) * | 2019-08-09 | 2019-10-25 | 陈国富 | High fidelity speaker with high acoustic resistance cabinet and inductance capacitance buffer circuit |
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Application publication date: 20100630 |