CN103596103A - Double-vibrating-diaphragm loudspeaker box - Google Patents
Double-vibrating-diaphragm loudspeaker box Download PDFInfo
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- CN103596103A CN103596103A CN201310648258.8A CN201310648258A CN103596103A CN 103596103 A CN103596103 A CN 103596103A CN 201310648258 A CN201310648258 A CN 201310648258A CN 103596103 A CN103596103 A CN 103596103A
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- loudspeaker
- vibrating
- vibrating diaphragm
- audio amplifier
- diaphragm
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Abstract
Disclosed is a double-vibrating-diaphragm loudspeaker box. The side view of an inner shell of the loudspeaker box is in a U shape. A through groove is formed in the middle of the U shape. An upper vibrating diaphragm is fixedly installed above the through groove. A lower vibrating diaphragm is fixedly installed below the through groove. A loudspeaker is fixedly installed inside the inner shell. A sound output hole is formed in the position, corresponding to the loudspeaker, of the inner shell. The whole inner shell is of a sealing structure. Reverse-direction airflow generated when the loudspeaker makes a sound can drive the two vibrating diaphragms to vibrate at the same time. When the double-vibrating-diaphragm loudspeaker box works, the sound made by the loudspeaker is added to the two vibrating diaphragms through a sealed loudspeaker box cavity, so that the two vibrating diaphragms move outwards or inwards along with the airflow of the loudspeaker at the same time, and bass heard by the ears of a person is increased by one time. Meanwhile, as for a loudspeaker box body, the moving directions of the two vibrating diaphragms are just opposite, so that the balancing aim is achieved, and the aim that compared with a loudspeaker with the general design, the double-vibrating-diaphragm loudspeaker box has the better sound restoration effect, namely the high fidelity effect is achieved.
Description
Technical field
The present invention discloses the audio amplifier of a kind of audio amplifier, particularly a kind of pair of vibrating diaphragm.
Background technology
Audio amplifier is the conventional audio output apparatus of people, in people's life, be widely used, all audio amplifiers of the prior art can be divided into substantially: full-enclosed structure, swing to formula structure and single diaphragm structure, wherein, full-enclosed structure and swing to formula structure and require very strict to loudspeaker self unit and audio amplifier internal structure, small size audio amplifier is difficult to accomplish a good acoustics performance, so the small size audio amplifier on market substantially all adopts the structure of single diaphragm sheet to strengthen the effect of bass now, but the drawback of this mode is when vibrating membrane is in the process of work, because it is to adopt unidirectional force structure, thereby whole audio amplifier has the phenomenon of the direction motion of the dynamics being subject to along with vibrating membrane, thereby can produce very large sound dyes, cause the reproducibility (being audio amplifier fidelity) of sound to be had a greatly reduced quality.
Summary of the invention
For the above-mentioned audio amplifier of the prior art of mentioning, it is all single diaphragm chip architecture, the shortcoming that exists larger sound to dye, the invention provides the audio amplifier of a kind of pair of vibrating diaphragm, and it adopts upper and lower two vibrating diaphragms that are oppositely arranged, during its work, while direction vibration, can address the above problem.
The technical scheme that the present invention solves its technical problem employing is: the audio amplifier of a kind of pair of vibrating diaphragm, the inner casing end view of audio amplifier is " U " shape, the mid portion of its " U " shape is groove, groove top is installed with vibrating diaphragm, groove below is installed with lower vibrating diaphragm, and inner casing inside is installed with loudspeaker, on inner casing, corresponding to loudspeaker position, has sender, inner casing integral body is hermetically-sealed construction, and the air flow energy dorsad producing during sound horn drives two vibrating diaphragm vibrations simultaneously.
The technical scheme that the present invention solves its technical problem employing further comprises:
Described upper vibrating diaphragm and lower vibrating diaphragm are symmetrical arranged.
Described inner casing outside is installed with shell.
Described loudspeaker are fixedly mounted on loudspeaker mounting panel, and loudspeaker mounting panel is fixedly mounted in inner casing.
Described loudspeaker be arranged on vibrating diaphragm directly over.
The invention has the beneficial effects as follows: adopt audio amplifier of the present invention when work, the sound that loudspeaker send adds as to two vibrating membranes by the audio amplifier cavity of sealing, thereby make two vibrating membranes simultaneously along with the air-flow of loudspeaker outwards or move inward, make the bass that our ear is heard strengthen one times; Simultaneously for audio amplifier body, the direction of motion of two vibrating membranes is just contrary, thereby reach the just object of balance, make the motion of two vibrating membranes offset the active force to audio amplifier body, played the present invention and there is better sound-reducing effect than the audio amplifier of general design, be i.e. the object of high-fidelity.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is decomposing state structural representation of the present invention.
In figure, 1-shell, 2-inner casing, 3-groove, 4-sender, 5-loudspeaker mounting panel, 6-loudspeaker, the upper vibrating diaphragm of 7-, vibrating diaphragm under 8-, 9-drain pan, 10-circuit board, 11-shell bottom plate.
Embodiment
The present embodiment is the preferred embodiment for the present invention, and other all its principles are identical with the present embodiment or approximate with basic structure, all within protection range of the present invention.
Cardinal principle of the present invention, for to increase another one vibrating diaphragm on existing basis, is offset carrying out the active force of face sound box bodies by the motion of two vibrating diaphragms, thereby plays the effect of high-fidelity.
Please refer to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, mainly comprise shell 1 and inner casing 2 in structure of the present invention, inner casing 2 is arranged in shell 1, and shell 1 mainly plays decoration function.In the present embodiment, inner casing 2 end views are " U " shape, the mid portion of its " U " shape is groove 3, wherein (of the present invention be direction in the accompanying drawings to " U " shape part up and down up and down, during concrete enforcement, it also can left and right form arranges) be respectively vibrating diaphragm 7 and lower vibrating diaphragm 8, inner casing 2, upper vibrating diaphragm 7 and lower vibrating diaphragm 8 surround " U " shape annular seal space of an inner hollow jointly, in the present embodiment, can be defined as air flow chamber.Loudspeaker 6 are housed in inner casing 2, loudspeaker 6 be arranged on vibrating diaphragm 7 directly over, in the present embodiment, loudspeaker 6 are fixedly mounted on loudspeaker mounting panel 5, loudspeaker mounting panel 5 is fixedly mounted in inner casing 2, position corresponding to loudspeaker 6 on inner casing 2 offers sender 4, for the sound that loudspeaker are sent, spreads out of.In the present embodiment, when structural design, upper and lower two vibrating diaphragms need symmetry very to place (and the inner casing 2 of audio amplifier also needs very to seal), when the signal of telecommunication makes loudspeaker 6 pronunciation, by air-flow, drive upper and lower two vibrating diaphragms vibration (bass is stronger, and Oscillation Amplitude is just larger).In the process of work, because the placement direction of two vibrating membranes is symmetrical, so two vibrating membranes can be cancelled each other to the active force of whole sound box bodies generation, the resonant coefficient that the resonance of sound box bodies can be regarded as substantially with vibrating membrane is zero, thereby reach the reducing property that the sound problem of dying that reduces audio amplifier strengthens sound, when playing enhancing bass, reach the object of high reliability (high-fidelity).In the present embodiment, in inner casing 2 bottoms, be installed with drain pan 9.
The present invention is provided with circuit board 10 in inner casing 2, is provided with signal of telecommunication amplifying unit on circuit board 10, by signal of telecommunication amplifying unit, directly promotes loudspeaker 6 sounding, and during loudspeaker 6 sounding, the air-flow of loudspeaker 6 work promotes two vibrating diaphragms and vibrates along airflow direction.In the time of the signal of telecommunication access loudspeaker 6 of signal of telecommunication amplifying unit on circuit board 10 part, loudspeaker 6 pronunciations, the sound of loudspeaker 6 forward directions is emitted from loudspeaker sender 4 positions, loudspeaker sound is dorsad added to the inner casing 2 by sealing on upper and lower two vibrating diaphragms (going up vibrating diaphragm 7 and lower vibrating diaphragm 8) simultaneously, thereby make two vibrating diaphragms simultaneously along with the air-flow of loudspeaker outwards or move inward, make the bass that our ear is heard strengthen one times; Simultaneously for audio amplifier body, the direction of motion of two vibrating diaphragms is just contrary, thereby reaches the just object of balance, makes the motion of two vibrating diaphragms offset the active force to audio amplifier body, played than general design better sound-reducing effect, the i.e. object of high-fidelity.
In the present embodiment, in shell 1 bottom, be installed with shell bottom plate 11.
Adopt audio amplifier of the present invention in when work, the sound that loudspeaker send adds as to two vibrating membranes by the audio amplifier cavity of sealing, thus make two vibrating membranes simultaneously along with the air-flow of loudspeaker outwards or move inward, make the bass that our ear is heard strengthen one times; Simultaneously for audio amplifier body, the direction of motion of two vibrating membranes is just contrary, thereby reach the just object of balance, make the motion of two vibrating membranes offset the active force to audio amplifier body, played the present invention and there is better sound-reducing effect than the audio amplifier of general design, be i.e. the object of high-fidelity.
Claims (5)
1. the audio amplifier of two vibrating diaphragms, it is characterized in that: the inner casing end view of described audio amplifier is " U " shape, the mid portion of its " U " shape is groove, groove top is installed with vibrating diaphragm, groove below is installed with lower vibrating diaphragm, and inner casing inside is installed with loudspeaker, on inner casing, corresponding to loudspeaker position, has sender, inner casing integral body is hermetically-sealed construction, and the air flow energy dorsad producing during sound horn drives two vibrating diaphragm vibrations simultaneously.
2. the audio amplifier of according to claim 1 pair of vibrating diaphragm, is characterized in that: described upper vibrating diaphragm and lower vibrating diaphragm are symmetrical arranged.
3. the audio amplifier of according to claim 1 and 2 pair of vibrating diaphragm, is characterized in that: described inner casing outside is installed with shell.
4. the audio amplifier of according to claim 1 and 2 pair of vibrating diaphragm, is characterized in that: described loudspeaker are fixedly mounted on loudspeaker mounting panel, and loudspeaker mounting panel is fixedly mounted in inner casing.
5. the audio amplifier of according to claim 1 and 2 pair of vibrating diaphragm, is characterized in that: described loudspeaker be arranged on vibrating diaphragm directly over.
Priority Applications (1)
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CN201310648258.8A CN103596103A (en) | 2013-12-06 | 2013-12-06 | Double-vibrating-diaphragm loudspeaker box |
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CN201310648258.8A CN103596103A (en) | 2013-12-06 | 2013-12-06 | Double-vibrating-diaphragm loudspeaker box |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104811848A (en) * | 2014-12-23 | 2015-07-29 | 北京太和开元科技有限公司 | Sound production device |
CN106534422A (en) * | 2016-11-28 | 2017-03-22 | 努比亚技术有限公司 | Loudspeaker assembly, loudspeaker box and mobile terminal |
CN107295445A (en) * | 2016-03-30 | 2017-10-24 | 北京太和开元科技有限公司 | sound-producing device |
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US20040190746A1 (en) * | 2001-07-09 | 2004-09-30 | Hideki Seki | Speaker device |
CN2768357Y (en) * | 2005-01-06 | 2006-03-29 | 魏国扬 | Earphone with dual bell joints |
CN202111847U (en) * | 2011-05-31 | 2012-01-11 | 卢有红 | Loudspeaker resonance structure with double passive vibrating films |
CN202957969U (en) * | 2012-11-28 | 2013-05-29 | 杨涛 | Soundbox |
CN203618110U (en) * | 2013-12-06 | 2014-05-28 | 深圳市凯狮博电子有限公司 | Double-vibrating-diaphragm loudspeaker box |
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2013
- 2013-12-06 CN CN201310648258.8A patent/CN103596103A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20040190746A1 (en) * | 2001-07-09 | 2004-09-30 | Hideki Seki | Speaker device |
CN2768357Y (en) * | 2005-01-06 | 2006-03-29 | 魏国扬 | Earphone with dual bell joints |
CN202111847U (en) * | 2011-05-31 | 2012-01-11 | 卢有红 | Loudspeaker resonance structure with double passive vibrating films |
CN202957969U (en) * | 2012-11-28 | 2013-05-29 | 杨涛 | Soundbox |
CN203618110U (en) * | 2013-12-06 | 2014-05-28 | 深圳市凯狮博电子有限公司 | Double-vibrating-diaphragm loudspeaker box |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104811848A (en) * | 2014-12-23 | 2015-07-29 | 北京太和开元科技有限公司 | Sound production device |
CN104811848B (en) * | 2014-12-23 | 2017-04-12 | 北京太和开元科技有限公司 | Sound production device |
CN107295445A (en) * | 2016-03-30 | 2017-10-24 | 北京太和开元科技有限公司 | sound-producing device |
CN107295445B (en) * | 2016-03-30 | 2023-12-05 | 北京太和开元科技有限公司 | Sounding device |
CN106534422A (en) * | 2016-11-28 | 2017-03-22 | 努比亚技术有限公司 | Loudspeaker assembly, loudspeaker box and mobile terminal |
CN106534422B (en) * | 2016-11-28 | 2019-07-30 | 努比亚技术有限公司 | A kind of loudspeaker assembly, speaker and mobile terminal |
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Application publication date: 20140219 |
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