CN103297902A - Mega bass sound producing device of small-size sound box - Google Patents
Mega bass sound producing device of small-size sound box Download PDFInfo
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- CN103297902A CN103297902A CN2013101661558A CN201310166155A CN103297902A CN 103297902 A CN103297902 A CN 103297902A CN 2013101661558 A CN2013101661558 A CN 2013101661558A CN 201310166155 A CN201310166155 A CN 201310166155A CN 103297902 A CN103297902 A CN 103297902A
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- audio amplifier
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- loudspeaker
- producing device
- sound box
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- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 abstract 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 208000015181 infectious disease Diseases 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention relates to a small-size sound box, in particular to a sound producing device for achieving low frequency and heavy feelings and in the small-size sound boxes. The sound producing device comprises a sound box shell body, and the sound box shell body is formed by arranging an upper sound box cover and a lower sound box cover in a clamping mode. The sound producing device is characterized in that a driving loudspeaker is fixedly arranged on the upper sound box cover, a driven membrane is fixedly arranged beside the driving loudspeaker, and a sheet-shaped balance weight load is connected in the middle of the driven membrane in an adhesive mode. Through the adoption of the structure, the driven membrane is additionally arranged, the vibration of the driven membrane is driven by airflow generated when the driving loudspeaker vibrates, and therefore the sound range of the low frequency of the whole sound box can be widened under the conditions that the loudspeaker is not changed and the weight of a box body is not increased, the loudspeakers of a mobile phone, a flat computer and a laptop can be made to reach low frequency and heavy feelings which can only be achieved by a large sound box, music is made to be more powerful, and acoustic enjoyment is given to people anytime and anywhere.
Description
Technical field
The present invention relates to a kind of small-sized audio amplifier, particularly be used for reappearing the sound-producing device of low frequency double infection in a kind of small-sized audio amplifier.
Background technology
Mobile phone in the market, panel computer, the inner audio amplifier of notebook can only reappear the sound high-fidelity of intermediate frequency and high frequency, and the low frequency aspect, because the restriction in structure and space, the frequency range of acoustic pressure curve can't prolong living tremendously low frequency, on sense of hearing, can't reappear the double infection of low frequency.Mobile phone, panel computer, notebook just can't reach the effect of subwoofer, the double infection that must use external big audio amplifier to reappear low frequency by using built-in loud speaker like this.
At present, the loud speaker of mobile phone, panel computer is if make the effect of the acoustic pressure of low frequency, can not finish by improving loudspeaker, because improve the acoustic pressure of low frequency, be merely able to reduce the resonance frequency of loudspeaker, first shortcoming of bringing like this is the loss of medium-high frequency acoustic pressure, and whole acoustic pressure significantly reduces; The second, after resonance frequency reduced, the Oscillation Amplitude of loudspeaker can become greatly, can cause the oscillation space of loudspeaker not enough, solving that this point methods is merely able to is increase thickness, but this has run counter to ultra-thin in the market main flow again.Therefore, how not change loudspeaker, do not increasing the double infection of reappearing low frequency under the prerequisite of casing thickness and just become the problem that present stage need solve.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of small-sized audio amplifier sound-producing device that reappears the low frequency double infection.
For solving above-mentioned technical problem, the supper bass sound-producing device of the small-sized audio amplifier of the present invention comprises voice box casing, described voice box casing is clamped by audio amplifier loam cake and audio amplifier lower cover and forms, described audio amplifier loam cake fixedly has initiatively loudspeaker, described active loudspeaker are other fixedly to be had by dynamic diaphragm, describedly is bonded with the load of sheet counterweight by the dynamic diaphragm centre.
Described active loudspeaker are coil-moving speaker.
Described coil-moving speaker comprises basin frame, magnetic cover, magnet steel, pole piece, voice coil loudspeaker voice coil and diaphragm, described basin frame is fixed on the audio amplifier and covers, described basin frame inboard is bonded with the magnetic cover, described magnetic cover central authorities are bonded with magnet steel, described magnet steel upper end is bonded with pole piece, described pole piece arranged outside has diaphragm, and described diaphragm periphery is connected with the basin frame.
After adopting said structure, increased by dynamic diaphragm, air-flow during by the vibration of active loudspeaker promotes by the vibration of dynamic diaphragm, can not change loudspeaker like this, does not increase under the situation of casing thickness, the range of the low frequency of the whole audio amplifier of broadening, can make mobile phone, panel computer, notebook loud speaker reach the low frequency double infection that big audio amplifier just can be finished, making listens to the music more the dynamics sense, gives hearing enjoying anywhere or anytime.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation in audio amplifier of the present invention front.
Fig. 2 is the structural representation of audio amplifier of the present invention inside.
Fig. 3 is the cross-sectional schematic of A-A among Fig. 2 of the present invention.
Fig. 4 has increased by dynamic diaphragm and not by the audio amplifier sounding effect comparison diagram of dynamic diaphragm for the present invention.
Among the figure: 1 is the active loudspeaker, and 2 is by dynamic diaphragm, and 3 is the counterweight load, and 4 is the audio amplifier loam cake, and 5 is the audio amplifier lower cover
101 is the basin frame, and 102 is the magnetic cover, and 103 is magnet steel, and 104 is pole piece, and 105 is diaphragm, and 106 is voice coil loudspeaker voice coil
Embodiment
As shown in Figure 3, the supper bass sound-producing device of the small-sized audio amplifier of the present invention comprises voice box casing, and described voice box casing is clamped by audio amplifier loam cake 4 and audio amplifier lower cover 5 and forms, and the volume of the small-sized audio amplifier of the present invention is less, is applicable to mobile phone, panel computer or notebook inside.Described audio amplifier loam cake 4 fixedly has initiatively loudspeaker, active loudspeaker of the present invention adopt coil-moving speaker, as shown in Figure 3, described coil-moving speaker comprises basin frame 101, magnetic cover 102, magnet steel 103, pole piece 104, voice coil loudspeaker voice coil 106 and diaphragm 105, described basin frame 101 is fixed on the audio amplifier loam cake 4, described basin frame 101 inboards are bonded with magnetic cover 102, described magnetic cover 102 central authorities are bonded with magnet steel 103, described magnet steel 103 upper ends are bonded with pole piece 104, described pole piece 104 arranged outside have diaphragm 105, and described diaphragm 105 peripheries are connected with basin frame 101.
Range for the whole audio amplifier low frequency of broadening under the situation that does not increase audio amplifier thickness and the gain effect that influences the audio amplifier medium-high frequency reappears the low frequency double infection.As depicted in figs. 1 and 2, the audio amplifier loam cake 4 other at described active loudspeaker fixedly has by dynamic diaphragm 2, and be identical with active diaphragm 105 by the material of dynamic diaphragm 2, describedly is bonded with sheet counterweight load 3 by dynamic diaphragm 2 centres.Though the effect by the distance between dynamic diaphragm 2 and the active loudspeaker 1 and reproduction low frequency double infection has relation, but because The present invention be directed to the small-sized audio amplifier that is applicable to mobile phone, panel computer or notebook, space in the audio amplifier is less, so do not consider directly will be fixed on the audio amplifier loam cake 4 on active loudspeaker 1 side by dynamic diaphragm 2 by the distance between dynamic diaphragm 2 and the active loudspeaker 1.The shape of counterweight load 3 and material can not fixed, only need it is arranged on get final product in the bounds of dynamic diaphragm 2, employing here to by the similar counterweight load of dynamic diaphragm 2 shapes.The weight of counterweight load 3 is directly proportional with the energy of active loudspeaker 1, and namely initiatively the energy of loudspeaker 1 is bigger, and the weight of counterweight load 3 is just more heavy, satisfies counterweight load 3 like this and is complementary by the integral body of dynamic diaphragm 2 and active loudspeaker 1.
At the range of low frequency, air-flow promoted by the vibration of dynamic diaphragm 2 when initiatively loudspeaker 1 vibrated as shown in Figure 4, and low-frequency sound pressure obviously gains; And in the medium-high frequency range, to the influence of medium-high frequency acoustic pressure and little, so just can be reappeared the low frequency double infection by the vibration of dynamic diaphragm 2 smoothly, making listens to the music more the dynamics sense.So just can not change loudspeaker, not increase under the situation of casing thickness the low frequency range of the whole audio amplifier of broadening.
Certainly, of the present inventionly also can be selected other materials that is suitable for by dynamic diaphragm, such conversion all drops within protection scope of the present invention.
Though more than described the specific embodiment of the present invention, those of skill in the art in the art should be appreciated that these only illustrate, and can make numerous variations or modification to these execution modes, and not deviate from principle of the present invention and essence.Scope of the present invention is only limited by appended claims.
Claims (3)
1. the supper bass sound-producing device of a small-sized audio amplifier, comprise voice box casing, described voice box casing is clamped by audio amplifier loam cake and audio amplifier lower cover and forms, it is characterized in that: described audio amplifier loam cake fixedly has initiatively loudspeaker, described active loudspeaker are other fixedly to be had by dynamic diaphragm, describedly is bonded with the load of sheet counterweight by the dynamic diaphragm centre.
2. according to the supper bass sound-producing device of the described small-sized audio amplifier of claim 1, it is characterized in that: described active loudspeaker are coil-moving speaker.
3. according to the supper bass sound-producing device of the described small-sized audio amplifier of claim 2, it is characterized in that: described coil-moving speaker comprises basin frame, magnetic cover, magnet steel, pole piece, voice coil loudspeaker voice coil and diaphragm, described basin frame is fixed on the audio amplifier and covers, described basin frame inboard is bonded with the magnetic cover, described magnetic cover central authorities are bonded with magnet steel, described magnet steel upper end is bonded with pole piece, and described pole piece arranged outside has diaphragm, and described diaphragm periphery is connected with the basin frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101661558A CN103297902A (en) | 2013-05-07 | 2013-05-07 | Mega bass sound producing device of small-size sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101661558A CN103297902A (en) | 2013-05-07 | 2013-05-07 | Mega bass sound producing device of small-size sound box |
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| Publication Number | Publication Date |
|---|---|
| CN103297902A true CN103297902A (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101661558A Pending CN103297902A (en) | 2013-05-07 | 2013-05-07 | Mega bass sound producing device of small-size sound box |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811852A (en) * | 2015-03-04 | 2015-07-29 | 青岛海信电器股份有限公司 | Sound box and television |
| WO2016107526A1 (en) * | 2014-12-31 | 2016-07-07 | 东莞市纯正音源汽车音响设备有限公司 | Vehicle-mounted sound system |
| CN107948892A (en) * | 2017-12-20 | 2018-04-20 | 东莞迪芬尼电声科技有限公司 | The micro injection bonded structure and its processing method of a kind of loudspeaker |
| WO2020199132A1 (en) * | 2019-04-02 | 2020-10-08 | 深圳市鲁粤盛科技有限公司 | Horn loudspeaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307917Y (en) * | 2008-12-11 | 2009-09-09 | 深圳创维－Rgb电子有限公司 | Television sound box |
| CN201450582U (en) * | 2009-06-19 | 2010-05-05 | 张义春 | Sound box of low-frequency augmenting technology |
| CN202514052U (en) * | 2012-04-09 | 2012-10-31 | 广东欧珀移动通信有限公司 | A mobile phone audio structure |
| CN102761801A (en) * | 2012-04-28 | 2012-10-31 | 李世煌 | Module type sound box component |
| CN202602867U (en) * | 2012-06-01 | 2012-12-12 | 东莞市康永电子科技有限公司 | Diaphragm subwoofer |
-
2013
- 2013-05-07 CN CN2013101661558A patent/CN103297902A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201307917Y (en) * | 2008-12-11 | 2009-09-09 | 深圳创维－Rgb电子有限公司 | Television sound box |
| CN201450582U (en) * | 2009-06-19 | 2010-05-05 | 张义春 | Sound box of low-frequency augmenting technology |
| CN202514052U (en) * | 2012-04-09 | 2012-10-31 | 广东欧珀移动通信有限公司 | A mobile phone audio structure |
| CN102761801A (en) * | 2012-04-28 | 2012-10-31 | 李世煌 | Module type sound box component |
| CN202602867U (en) * | 2012-06-01 | 2012-12-12 | 东莞市康永电子科技有限公司 | Diaphragm subwoofer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016107526A1 (en) * | 2014-12-31 | 2016-07-07 | 东莞市纯正音源汽车音响设备有限公司 | Vehicle-mounted sound system |
| CN104811852A (en) * | 2015-03-04 | 2015-07-29 | 青岛海信电器股份有限公司 | Sound box and television |
| CN107948892A (en) * | 2017-12-20 | 2018-04-20 | 东莞迪芬尼电声科技有限公司 | The micro injection bonded structure and its processing method of a kind of loudspeaker |
| CN107948892B (en) * | 2017-12-20 | 2023-12-01 | 东莞迪芬尼电声科技有限公司 | Micro injection molding bonding structure of loudspeaker and processing method thereof |
| WO2020199132A1 (en) * | 2019-04-02 | 2020-10-08 | 深圳市鲁粤盛科技有限公司 | Horn loudspeaker |
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Application publication date: 20130911 |