CN102006531B - Sound box structure - Google Patents
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- CN102006531B CN102006531B CN201010557035.7A CN201010557035A CN102006531B CN 102006531 B CN102006531 B CN 102006531B CN 201010557035 A CN201010557035 A CN 201010557035A CN 102006531 B CN102006531 B CN 102006531B
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Abstract
The invention relates to a sound box structure, which comprises a loudspeaker and a sound box cavity, wherein the loudspeaker is arranged in the sound box cavity, the sound box cavity comprises an inverse cavity unit and a normal phase cavity unit, the inverse cavity unit is connected with the normal phase cavity unit, the loudspeaker is arranged between the inverse cavity unit and the normal phase cavity unit, the inverse cavity unit comprises at least one inverse resonant cavity, and the normal phase cavity unit comprises at least one normal phase resonant cavity. The normal phase radiation sound wave of the loudspeaker is transmitted out after being resonated and tuned by the normal phase cavity unit; meanwhile, the reverse phase radiation sound energy of the loudspeaker is transmitted out after being resonated and tuned by the reverse phase cavity unit cavity. The lower limit of the frequency of the radiation sound wave after resonance tuning is far lower than the lower limit of the reverse phase radiation sound wave and the normal phase radiation sound wave of the loudspeaker, the number of the normal phase resonant cavities and the reverse phase resonant cavities is adjusted, so that the two sound waves are superposed in the same phase, the radiation efficiency of the loudspeaker box is ensured, the lower limit of low frequency playback of the loudspeaker box is reduced, the tone quality is improved, the caliber of the loudspeaker is smaller, and the volume of the loudspeaker box is smaller.
Description
Technical field
The present invention relates to the sound-box device technical field, relate in particular to a kind of loudspeaker box structure.
Background technology
the most universal current audio amplifier cavity body structure is that single cavity is led the phase case, its body structure figure as shown in Figure 1, loud speaker and pipeline are placed in same cavity, cavity and pipeline form the helmholtz resonance chamber, resonant cavity resonance is tuned in a certain Frequency point, resonance occurs during work, be similar to the function of band pass filter, loud speaker radiation acoustic energy is dorsad passed through the anti-phase output of pipeline, radiation acoustic energy homophase stack with the loud speaker positive, can effectively utilize loudspeaker backward radiation acoustic energy, improved the radiation efficiency of audio amplifier, the low frequency playback lower limit of opening box can be accomplished lower than the resonance frequency of loud speaker itself simultaneously, but theoretically, the debugging optimum efficiency lead the phase case, low frequency playback lower limit can only drop to greatest extent 0.707 times, low-frequency minimum is restricted, there are certain requirement in loud speaker bore and tank-volumes.
Summary of the invention
The object of the invention is to provides a kind of new body structure for the deficiencies in the prior art, allows the low frequency playback lower limit of audio amplifier obtain to reduce to a greater extent, reduces simultaneously the requirement to loud speaker bore and tank-volumes.
For achieving the above object, the present invention is achieved by the following technical solutions: a kind of loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit is connected with the positive Cavity unit, and loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity.
Wherein, the number of anti-phase resonant cavity is 1, the number of positive resonant cavity is 2, first positive resonant cavity is connected with anti-phase resonant cavity, second positive resonant cavity is connected with first positive resonant cavity, be provided with the positive passage between second positive resonant cavity and first positive resonant cavity, second positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Wherein, the number of positive resonant cavity is 1, the number of anti-phase resonant cavity is 2, first anti-phase resonant cavity is connected with the positive resonant cavity, second anti-phase resonant cavity is connected with first anti-phase cavity, be provided with inverted channel between second anti-phase resonant cavity and first anti-phase cavity, second anti-phase resonant cavity is provided with the inverted channel that is connected with the outside, and the positive resonant cavity is provided with the positive passage that is connected with the outside.
Wherein, the number of anti-phase resonant cavity is 1, the number of positive resonant cavity is 4,4 positive resonant cavities connect successively, be provided with the positive passage between 2 adjacent positive resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Wherein, the number of anti-phase resonant cavity is 2, the number of positive cavity is 3,3 positive resonant cavities connect successively, be provided with the positive passage between 2 adjacent positive resonant cavities, 2 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Wherein, the number of anti-phase resonant cavity is 2, the number of positive resonant cavity is 5,5 positive resonant cavities connect successively, be provided with the positive passage between 2 adjacent positive resonant cavities, 2 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Wherein, the number of positive resonant cavity is 1, the number of anti-phase resonant cavity is 4,4 anti-phase resonant cavities connect successively, be provided with inverted channel between 2 adjacent anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Wherein, the number of positive resonant cavity is 2, the number of anti-phase resonant cavity is 3,2 positive resonant cavities connect successively, be provided with the positive passage between 2 positive resonant cavities, 3 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 adjacent anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Wherein, the number of positive resonant cavity is 2, the number of anti-phase resonant cavity is 5,2 positive resonant cavities connect successively, be provided with the positive passage between 2 positive resonant cavities, 5 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 adjacent anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Beneficial effect of the present invention is: a kind of loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity.positive resonant cavity and anti-phase resonant cavity are the helmholtz resonance chamber, and loud speaker positive radiation acoustic energy is tuning by the resonance of positive Cavity unit, and from the output of positive Cavity unit, the lower-frequency limit of radiative acoustic wave is lower than the lower limit of loud speaker positive radiative acoustic wave, the anti-phase radiation acoustic energy of loud speaker is tuning by the chamber resonance of anti-phase Cavity unit simultaneously, from anti-phase Cavity unit output, the lower-frequency limit of radiative acoustic wave is far below the lower limit of the anti-phase radiative acoustic wave of loud speaker, by regulating the number of positive resonant cavity and anti-phase resonant cavity, make sound wave and the sound wave homophase of exporting from anti-phase Cavity unit from the output of positive Cavity unit, sound wave is with superimposed, sounding, both guaranteed the radiation efficiency of audio amplifier, reduced to a greater extent simultaneously the low frequency playback lower limit of audio amplifier, promoted tonequality, reduced the requirement to loud speaker bore and tank-volumes.
Description of drawings
Fig. 1 is the structural representation of prior art;
Fig. 2 is the structural representation of embodiments of the invention 1;
Fig. 3 is the structural representation of embodiments of the invention 2.
Reference numeral:
1---loud speaker 2---anti-phase resonant cavity
21---inverted channel 3---positive resonant cavity
31---the positive passage.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 2, a kind of loudspeaker box structure, comprise loud speaker 1, audio amplifier cavity, loud speaker 1 is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit is connected with the positive Cavity unit, and loud speaker 1 is arranged between anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit comprises at least one anti-phase resonant cavity 2, and the positive Cavity unit comprises at least one positive resonant cavity 3.positive resonant cavity 3 and anti-phase resonant cavity 2 are the helmholtz resonance chamber, and loud speaker 1 positive radiation acoustic energy is tuning by the resonance of positive Cavity unit, and from the output of positive Cavity unit, the lower-frequency limit of radiative acoustic wave is lower than the lower limit of loud speaker 1 positive radiative acoustic wave, the anti-phase radiation acoustic energy of loud speaker 1 is tuning by the chamber resonance of anti-phase Cavity unit simultaneously, from anti-phase Cavity unit output, the lower-frequency limit of radiative acoustic wave is far below the lower limit of loud speaker 1 anti-phase radiative acoustic wave, by regulating the number of positive resonant cavity 3 and anti-phase resonant cavity 2, make sound wave and the sound wave homophase of exporting from anti-phase Cavity unit from the output of positive Cavity unit, sound wave is with superimposed, sounding, reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier, promoted tonequality, loud speaker 1 bore is less, the audio amplifier volume is less simultaneously.
The number of the anti-phase resonant cavity 2 of the present embodiment is 1, the number of positive resonant cavity 3 is 2, first positive resonant cavity 3 is connected with anti-phase resonant cavity 2, second positive resonant cavity 3 is connected with first positive resonant cavity 3, be provided with positive passage 31 between second positive resonant cavity 3 and first positive resonant cavity 3, second positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, and anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside.the anti-phase sound wave that loud speaker 1 produces is by the anti-phase resonant cavity 2 tuning rear generation positive sound waves of resonance of anti-phase Cavity unit, the positive sound wave spreads out of outside the audio amplifier cavity by the inverted channel 21 of anti-phase resonant cavity 2, produce the positive sound wave after the positive sound wave that loud speaker 1 produces is tuning through two subresonances by two positive resonant cavities 3 of positive Cavity unit, the positive sound wave spreads out of outside the audio amplifier cavity by the positive passage 31 of positive resonant cavity 3, the positive sound wave stack of the positive sound wave of rp unit output and positive element output, produce sound, the bore of the loud speaker 1 of the present embodiment is less, and the audio amplifier volume is less.
as shown in Figure 3, the number of the positive resonant cavity 3 of the present embodiment is 1, the number of anti-phase resonant cavity 2 is 2, first anti-phase resonant cavity 2 is connected with positive resonant cavity 3, second anti-phase resonant cavity 2 is connected with first anti-phase resonant cavity 2, be provided with inverted channel 21 between second anti-phase resonant cavity 2 and first anti-phase resonant cavity 2, second anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside, positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, after the positive sound wave that loud speaker 1 produces is tuning by positive resonant cavity 3 resonance of positive Cavity unit, produce anti-phase sound wave, anti-phase sound wave spreads out of outside the audio amplifier cavity by the positive passage 31 of positive resonant cavity 3, after the anti-phase sound wave that loud speaker 1 produces is tuning through two subresonances by two anti-phase resonant cavities 2 of anti-phase Cavity unit, produce anti-phase sound wave, anti-phase sound wave spreads out of outside the audio amplifier cavity by the inverted channel 21 of anti-phase resonant cavity 2, the anti-phase sound wave stack of the anti-phase sound wave of positive element output and rp unit output, produce sound, reach the effect that has reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier, the bore of the loud speaker 1 of the present embodiment is less, and the sound box bodies volume is less.
the number of the anti-phase resonant cavity 2 of the present embodiment 4 is 1, the number of positive resonant cavity 3 is 4, 4 positive resonant cavities 3 connect successively, be provided with positive passage 31 between 2 adjacent positive resonant cavities 3, positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside, that is to say that first positive resonant cavity 3 is connected with anti-phase resonant cavity 2, loud speaker 1 is arranged between first positive resonant cavity 3 and anti-phase resonant cavity 2, anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the external world, first positive resonant cavity 3 is connected with second resonant cavity, be provided with positive passage 31 between first positive resonant cavity 3 and second resonant cavity, second positive resonant cavity 3 is connected with the 3rd positive resonant cavity 3, be provided with positive passage 31 between second positive resonant cavity 3 and the 3rd positive resonant cavity 3, the 3rd positive resonant cavity 3 is connected with the 4th positive resonant cavity 3, be provided with positive passage 31 between the 3rd positive resonant cavity 3 and the 4th positive resonant cavity 3, the 4th positive resonant cavity 3 is provided with the positive passage 31 that is connected with the external world, become the positive sound wave after the anti-phase sound wave of loud speaker 1 is tuning by anti-phase resonant cavity 2 resonance, the positive sound wave of loud speaker 1 is by the tuning rear or positive sound wave of 4 positive resonant cavities, 3 resonance, two positive sound wave stacks, produce sound, the present embodiment still can reach the effect that has reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier.
Embodiment 4
The number of the anti-phase resonant cavity 2 of the present embodiment is 2, the number of positive cavity 3 is 3,3 positive resonant cavities 3 connect successively, be provided with positive passage 31 between 2 adjacent positive resonant cavities 3,2 anti-phase resonant cavities 2 connect successively, be provided with inverted channel 21 between 2 anti-phase resonant cavities 2, positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, and anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside.Namely loud speaker 1 is arranged between first positive resonant cavity 3 and first anti-phase resonant cavity 2, first positive resonant cavity 3 is connected with second positive resonant cavity 3, be provided with positive passage 31 between first positive resonant cavity 3 and second positive resonant cavity 3, second positive resonant cavity 3 is connected with the 3rd positive resonant cavity 3, be provided with 31, the three positive resonant cavities 3 of positive passage between second positive resonant cavity 3 and the 3rd positive resonant cavity 3 and be provided with the positive passage 31 that is connected with the external world; First anti-phase resonant cavity 2 is connected with second anti-phase resonant cavity 2, is provided with the anti-phase resonant cavity 2 of inverted channel 21, the second between first anti-phase resonant cavity 2 and second anti-phase resonant cavity 2 and is provided with the inverted channel 21 that is connected with the external world.The anti-phase sound wave of output after the positive sound wave that loud speaker 1 sends is tuning through 3 subresonances by positive resonant cavity 3, the anti-phase sound wave that loud speaker 1 sends is so exported anti-phase sound wave through 2 anti-phase resonant cavity 2 tuning successors of resonance, two anti-phase sound wave stacks, produce sound, the present embodiment still can reach the effect that has reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier.
Embodiment 5
the number of the anti-phase resonant cavity 2 of the present embodiment is 2, the number of positive resonant cavity 3 is 5, 5 positive resonant cavities 3 connect successively, be provided with positive passage 31 between 2 adjacent positive resonant cavities 3, 2 anti-phase resonant cavities 2 connect successively, be provided with inverted channel 21 between 2 anti-phase resonant cavities 2, positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside, the present embodiment is identical with the principle of embodiment 4, still can reach the effect that has reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier.
Embodiment 6
The number of the positive resonant cavity 3 of the present embodiment is 1, the number of anti-phase resonant cavity 2 is 4,4 anti-phase resonant cavities 2 connect successively, be provided with inverted channel 21 between 2 adjacent anti-phase resonant cavities 2, positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside, the present embodiment is identical with the principle of embodiment 3, still can reach the effect that has reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier.
Embodiment 7
the number of the positive resonant cavity 3 of the present embodiment is 2, the number of anti-phase resonant cavity 2 is 3, 2 positive resonant cavities 3 connect successively, be provided with positive passage 31 between 2 positive resonant cavities 3, 3 anti-phase resonant cavities 2 connect successively, be provided with inverted channel 21 between 2 adjacent anti-phase resonant cavities 2, positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside, the present embodiment is identical with the principle of embodiment 4, still can reach the effect that has reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier.
Embodiment 8
the number of the positive resonant cavity 3 of the present embodiment is 2, the number of anti-phase resonant cavity 2 is 5, 2 positive resonant cavities 3 connect successively, be provided with positive passage 31 between 2 positive resonant cavities 3, 5 anti-phase resonant cavities 2 connect successively, be provided with inverted channel 21 between 2 adjacent anti-phase resonant cavities 2, positive resonant cavity 3 is provided with the positive passage 31 that is connected with the outside, anti-phase resonant cavity 2 is provided with the inverted channel 21 that is connected with the outside, the present embodiment is identical with the principle of embodiment 4, still can reach the effect that has reduced to a greater extent the low frequency playback lower limit of audio amplifier in the radiation efficiency that guarantees audio amplifier.
The present invention does not limit for the number of positive resonant cavity 3 and anti-phase resonant cavity 2, as long as can make the sound wave energy of loud speaker 1 realize cophase stacking by the number of adjusting positive resonant cavity 3 and anti-phase resonant cavity 2, just falls into protection scope of the present invention.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although with reference to preferred embodiment, the present invention has been done to explain; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (8)
1. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of anti-phase resonant cavity is 1, the number of positive resonant cavity is 2, first positive resonant cavity is connected with anti-phase resonant cavity, second positive resonant cavity is connected with first positive resonant cavity, be provided with the positive passage between second positive resonant cavity and first positive resonant cavity, second positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
2. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of positive resonant cavity is 1, the number of anti-phase resonant cavity is 2, first anti-phase resonant cavity is connected with the positive resonant cavity, second anti-phase resonant cavity is connected with first anti-phase cavity, be provided with inverted channel between second anti-phase resonant cavity and first anti-phase cavity, second anti-phase resonant cavity is provided with the inverted channel that is connected with the outside, and the positive resonant cavity is provided with the positive passage that is connected with the outside.
3. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of anti-phase resonant cavity is 1, the number of positive resonant cavity is 4,4 positive resonant cavities connect successively, be provided with the positive passage between 2 adjacent positive resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
4. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of anti-phase resonant cavity is 2, the number of positive cavity is 3,3 positive resonant cavities connect successively, be provided with the positive passage between 2 adjacent positive resonant cavities, 2 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
5. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of anti-phase resonant cavity is 2, the number of positive resonant cavity is 5,5 positive resonant cavities connect successively, be provided with the positive passage between 2 adjacent positive resonant cavities, 2 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
6. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of positive resonant cavity is 1, the number of anti-phase resonant cavity is 4,4 anti-phase resonant cavities connect successively, be provided with inverted channel between 2 adjacent anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
7. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of positive resonant cavity is 2, the number of anti-phase resonant cavity is 3,2 positive resonant cavities connect successively, be provided with the positive passage between 2 positive resonant cavities, 3 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 adjacent anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
8. loudspeaker box structure, comprise loud speaker, audio amplifier cavity, loud speaker is arranged in the audio amplifier cavity, the audio amplifier cavity comprises anti-phase Cavity unit and positive Cavity unit, anti-phase Cavity unit is connected with the positive Cavity unit, it is characterized in that: loud speaker is arranged between anti-phase Cavity unit and positive Cavity unit, and anti-phase Cavity unit comprises at least one anti-phase resonant cavity, and the positive Cavity unit comprises at least one positive resonant cavity; Wherein, the number of positive resonant cavity is 2, the number of anti-phase resonant cavity is 5,2 positive resonant cavities connect successively, be provided with the positive passage between 2 positive resonant cavities, 5 anti-phase resonant cavities connect successively, are provided with inverted channel between 2 adjacent anti-phase resonant cavities, the positive resonant cavity is provided with the positive passage that is connected with the outside, and anti-phase resonant cavity is provided with the inverted channel that is connected with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010557035.7A CN102006531B (en) | 2010-11-24 | 2010-11-24 | Sound box structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010557035.7A CN102006531B (en) | 2010-11-24 | 2010-11-24 | Sound box structure |
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| CN102006531A CN102006531A (en) | 2011-04-06 |
| CN102006531B true CN102006531B (en) | 2013-06-05 |
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| CN201010557035.7A Expired - Fee Related CN102006531B (en) | 2010-11-24 | 2010-11-24 | Sound box structure |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106331939B (en) * | 2015-06-19 | 2022-09-13 | 深圳纽斯声学系统有限公司 | Integral type bar audio amplifier |
| TWI599241B (en) | 2016-05-13 | 2017-09-11 | 宏碁股份有限公司 | Speaker device with enhancement of bass effect and electronic device therewith |
| TWI602441B (en) * | 2016-07-11 | 2017-10-11 | 宏碁股份有限公司 | Speaker with harmonic sound and electronic device using the same |
| CN108399911B (en) * | 2017-02-06 | 2024-03-22 | 北京市劳动保护科学研究所 | Ventilating, radiating and sound insulating structure of low-frequency broadband |
| GB2563570B (en) * | 2017-05-18 | 2021-08-25 | Fyne Audio Ltd | Vented loudspeaker |
| CN107371107B (en) * | 2017-07-28 | 2021-10-08 | 苹果公司 | Speaker module and electronic equipment |
| CN107318073A (en) * | 2017-07-28 | 2017-11-03 | 歌尔股份有限公司 | Loudspeaker module and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078085A (en) * | 1992-04-30 | 1993-11-03 | 林智文 | Bass sound box with two extending sound pipes |
| CN2315746Y (en) * | 1997-09-11 | 1999-04-21 | 珠海经济特区美声电业有限公司 | New speaker box with console phase inverting box structure |
| CN101656907A (en) * | 2008-08-22 | 2010-02-24 | 清华大学 | Sound box |
| CN101778323A (en) * | 2009-01-08 | 2010-07-14 | 俞彬 | Low frequency T-iron central reversal phase voice box of omni-directional loudspeaker |
| CN201904889U (en) * | 2010-11-24 | 2011-07-20 | 东莞市达硕科技有限公司 | Sound box structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5110012B2 (en) * | 2008-03-27 | 2012-12-26 | ヤマハ株式会社 | Speaker device |
-
2010
- 2010-11-24 CN CN201010557035.7A patent/CN102006531B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078085A (en) * | 1992-04-30 | 1993-11-03 | 林智文 | Bass sound box with two extending sound pipes |
| CN2315746Y (en) * | 1997-09-11 | 1999-04-21 | 珠海经济特区美声电业有限公司 | New speaker box with console phase inverting box structure |
| CN101656907A (en) * | 2008-08-22 | 2010-02-24 | 清华大学 | Sound box |
| CN101778323A (en) * | 2009-01-08 | 2010-07-14 | 俞彬 | Low frequency T-iron central reversal phase voice box of omni-directional loudspeaker |
| CN201904889U (en) * | 2010-11-24 | 2011-07-20 | 东莞市达硕科技有限公司 | Sound box structure |
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| CN102006531A (en) | 2011-04-06 |
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