CN204014013U - Audio amplifier - Google Patents
Audio amplifier Download PDFInfo
- Publication number
- CN204014013U CN204014013U CN201420362715.7U CN201420362715U CN204014013U CN 204014013 U CN204014013 U CN 204014013U CN 201420362715 U CN201420362715 U CN 201420362715U CN 204014013 U CN204014013 U CN 204014013U
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- China
- Prior art keywords
- guide tube
- sound
- sound guide
- phonation unit
- audio amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000011358 absorbing material Substances 0.000 claims abstract description 29
- 238000005452 bending Methods 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
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- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of audio amplifier, comprise casing and phonation unit, described casing comprises the first host cavity, the second host cavity, described phonation unit comprises the first phonation unit and the second phonation unit, described first, second phonation unit is accommodated respectively and is fixed in described first, second host cavity, and: described casing also comprises the first sound guide tube, the second sound guide tube and phonate hole, described the first sound guide tube is communicated with described the first host cavity and described phonate hole, and described the second sound guide tube is communicated with and described the second host cavity and described phonate hole; Described the first sound guide tube and the bending setting of described the second sound guide tube; Described the first sound guide tube and described the second sound guide tube inwall are provided with sound-absorbing material.In two parts sound guide tube of the utility model audio amplifier, sound-absorbing material absorbs high-frequency sound in two parts sound guide tube, two parts sound guide tube converges at phonate hole place, when avoiding the mutual interference of two parts high-frequency sound phase, the stack of two parts bass is reset, improve the bass effect of audio amplifier.
Description
Technical field
The utility model relates to a kind of audio amplifier, especially relates to the audio amplifier that a kind of bass effect is good.
Background technology
Along with science and technology and socio-economic development, people are more and more higher for the requirement of quality of the life, as the indispensable part of entertainment life, the electronic amusement apparatus such as TV, computer becomes people's daily necessities, and as the sound source of the electronic equipment such as TV, computer, the sound effect of audio amplifier more and more receives people's concern.
The audio amplifier of traditional structure, comprises casing and loud speaker, and the loud speaker reception external electric signal being arranged in casing is converted into sound, in order to improve the supper bass effect of audio amplifier, independent woofer is set in audio amplifier conventionally, or independent woofer is set.Independent woofer or woofer are set, although improved supper bass effect, have increased production process and production cost, reduced the market competitiveness of speaker products.
Therefore, be necessary to propose a kind of improved loudspeaker box structure, on the basis that bass module is not set separately, improve the bass effect of audio amplifier.
Utility model content
Technical problem to be solved in the utility model is to provide the loudspeaker box structure that a kind of bass effect is good.
To achieve these goals, the utility model loudspeaker box structure is by the following technical solutions:
A kind of audio amplifier, comprise casing and phonation unit, described casing comprises the first host cavity, the second host cavity, described phonation unit comprises the first phonation unit and the second phonation unit, described the first phonation unit is accommodated and is fixed in described the first host cavity, described the second phonation unit is accommodated and is fixed in described the second host cavity, and: described casing also comprises the first sound guide tube, the second sound guide tube and phonate hole, described the first sound guide tube is communicated with described the first host cavity and described phonate hole, and described the second sound guide tube is communicated with and described the second host cavity and described phonate hole; Described the first sound guide tube and the bending setting of described the second sound guide tube; Described the first sound guide tube and described the second sound guide tube inwall are provided with sound-absorbing material.
As the preferred technical scheme of one, described audio amplifier is strip, described the first phonation unit and described the second phonation unit are arranged at respectively the two ends on described strip audio amplifier major axis limit, and described phonate hole is arranged between described the first phonation unit and described the second phonation unit.
As further preferred, described the first phonation unit, the first sound guide tube and described the second phonation unit, the second sound guide tube are symmetrical arranged about described phonate hole.
As further preferred, described the first phonation unit and described the second phonation unit include multiple loud speakers.For the balance of audio amplifier both sides sound, described the first phonation unit is identical with the number of loudspeakers that described the second phonation unit comprises.
As preferred technical scheme, described the first sound guide tube and described the second sound guide tube are square pipe structure.Further, the first sound guide tube of described square pipe structure has at least a side inwall to be provided with sound-absorbing material; The second sound guide tube of described square structure has at least a side inwall to be provided with sound-absorbing material.
As preferred technical scheme, described attractive material be can absorbing high-frequency sound wave acoustical cotton; Acoustical cotton wide material sources that can absorbing high-frequency sound wave, can reduce production costs.
Loudspeaker box structure of the present utility model, accommodates in casing and is fixed with two parts phonation unit, and two parts phonation unit is respectively arranged with sound guide tube, and sound guide tube changes the impedance of loud speaker rear end, specific wavelength (
n=1,2, L is sound guide tube length) sound wave spread out of from phonate hole, and superpose with the sound that send pronunciation front side, unit, improve the sound effect of audio amplifier, loudspeaker box structure of the present utility model, in two parts sound guide tube, be provided with sound-absorbing material, attractive material be can absorbing high-frequency sound wave material, sound-absorbing material absorbs two parts high-frequency sound that unit sends that pronounces, the high-frequency sound that prevents two parts pronunciation unit interferes with each other, after the high frequency sound wave of two parts phonation unit is absorbed, low-frequency sound wave converges and resets in phonate hole position, thereby improve the bass effect of audio amplifier.Loudspeaker box structure of the present utility model, absorbs high pitch by the sound-absorbing material in two parts sound guide tube, and the bass that two parts phonation unit is sent is reset, and effectively improves the bass effect of audio amplifier, needn't woofer be set separately, reduces production costs.The utility model audio amplifier has advantages of that bass effect is good.
In the time of practical application, loudspeaker box structure of the present utility model can be set to strip, the the one the second phonation units are arranged at respectively the two ends on strip audio amplifier major axis limit, respectively as the left and right acoustic channels of audio amplifier, the phonate hole that two parts sound guide tube converges is arranged between first, second phonation unit, as bass delivery outlet, further improve the sound effect of audio amplifier.For the voice output power that ensures left and right acoustic channels equates, the first phonation unit, the first sound guide tube and the second phonation unit, the second sound guide tube are symmetrical arranged about phonate hole.First, second phonation unit can be multiple undersized loud speakers, is ensureing that, under the prerequisite of acoustical power output, undersized loud speaker reduces audio amplifier thickness, is convenient to coordinate with other external equipments.In order to ensure the balance of audio amplifier left and right acoustic channels sound, the number of loudspeakers in first, second phonation unit equates.
Brief description of the drawings
Fig. 1 is the front view of the utility model audio amplifier the first specific embodiment;
Fig. 2 is the structural representation of loudspeaker box structure volume rendering shown in Fig. 1;
Fig. 3 is the transverse sectional view of loudspeaker box structure shown in Fig. 1;
Fig. 4 is the transverse sectional view of the utility model audio amplifier the second specific embodiment.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment mono-:
The audio amplifier of the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, comprises casing 2, is provided with the first phonation unit 11 and the second phonation unit 12 in casing 2, is provided with phonate hole 4 on casing 2.As shown in Figure 3, be provided with the first host cavity 21 and the second host cavity 22, the first phonation units 11 and accommodate and be fixed in the first host cavity 21 in casing 2, the second phonation unit 12 is accommodated and is fixed in the second host cavity 22.As shown in Figures 2 and 3, in casing 2, be provided with bending the first sound guide tube 31 and the second sound guide tube 32, the first sound guide tube 31 is communicated with the first host cavity 21, the second sound guide tube 32 is communicated with the second host cavity 22, the first sound guide tube 31 is communicated with the first host cavity 21 with phonate hole 4, the second sound guide tube 32 is communicated with the second host cavity 22 with phonate hole 4, the first sound guide tube 31 and the second sound guide tube 32 converge at phonate hole 4 places, and the first sound guide tube 31, the second sound guide tube 32 are all communicated with phonate hole 4.As shown in Figure 3, in the first sound guide tube 31 and the second sound guide tube 32, be provided with sound-absorbing material 5, should know, loudspeaker box structure shown in Fig. 2 is in order to embody the first sound guide tube 31 and the second sound guide tube 32 structure in the present embodiment audio amplifier inside, not shown sound-absorbing material structure, the utility model audio amplifier is in actual application, and the inwall of first, second sound guide tube is provided with sound-absorbing material.Audio amplifier of the present utility model, two phonation units are provided with sound guide tube structure, the sound conduction that sound guide tube sends phonation unit rear is to phonate hole, owing to being provided with sound-absorbing material in sound guide tube, in transmission sound process, high frequency sound wave is absorbed by sound-absorbing material, therefore, the outgoing sound of phonate hole position is that the stack of the low-frequency sound of two parts phonation unit is reset, and improves the bass effect of audio amplifier output when avoiding the interfering with each other of two parts phonation unit high-frequency sound.
As shown in Figure 1, Figure 2 and Figure 3, the audio amplifier of the present embodiment is strip structure, the first phonation unit 11 and the second phonation unit 12 are arranged at respectively the two ends on strip audio amplifier major axis limit, phonate hole 4 is arranged between the first phonation unit 11 and the second phonation unit 12, in the time that the present embodiment audio amplifier is worked, the first phonation unit 11, the second phonation unit 12 can be using the sound generation source as left and right acoustic channels, phonate hole 4 places launch the playback sound of the first phonation unit 11 and the second phonation unit 12 low-frequency sounds, make the present embodiment audio amplifier realize stereophonic effect.
As shown in Figure 1, Figure 2, Figure 3 shows, the first phonation unit 11 and the second phonation unit 12 are provided with multiple loud speakers, multiple loud speakers can be multiple undersized loud speakers, ensureing under the prerequisite of acoustical power output, multiple undersized loud speakers can reduce audio amplifier thickness, are convenient to audio amplifier and other external equipments and coordinate as teleputer etc.In actual applications, in order to design easy and to ensure that left and right acoustic channels output acoustic power is identical, the first phonation unit 11 equates with the number of loudspeakers of the second phonation unit 12 interior settings, and power is identical; The first phonation unit 11, the first sound guide tube 31 and the second phonation unit 12, the second sound guide tube 32 are symmetrical arranged about phonate hole 4.
As shown in Figures 2 and 3, for suitable with the casing of square structure, the design and assembly difficulty of simplifying sound guide tube, the first sound guide tube 31, the second sound guide tube 32 are square pipe structure, and the sound guide tube design of this structure arranges several dividing plates and can realize sound guide tube function in sound box, simplify the production technology of audio amplifier, enhance productivity, certainly, sound guide tube also can be according to actual conditions, be designed to other shapes and structure, all do not affect the utility model audio amplifier advantage applies.
As shown in Figure 3, the loudspeaker box structure of the present embodiment, the first sound guide tube 31 of square pipe structure, on the inwall of the second sound guide tube 32, be provided with sound-absorbing material 5, ensureing that sound-absorbing material 5 is to the first sound guide tube 31, under the prerequisite of the interior high frequency sound wave assimilation effect of the second sound guide tube 32, sound-absorbing material 5 only arranges on the first sound guide tube 31 of square pipe structure and a side inwall of the second sound guide tube 32, sound-absorbing material 5 is only arranged at a side inwall of square pipe structure sound guide tube, reduce the use of sound-absorbing material 5, reduce production costs, simplify production technology simultaneously, enhance productivity.
Embodiment bis-:
The loudspeaker box structure of the loudspeaker box structure of the present embodiment and embodiment mono-is similar, different from embodiment mono-loudspeaker box structure is, as shown in Figure 4, on the first sound guide tube 31 of square pipe structure, the inwall of the second sound guide tube 32, be provided with two parts sound-absorbing material 5, two parts sound-absorbing material 5 is arranged at respectively the both sides of the inwall of the sound guide tube of square pipe structure.The loudspeaker box structure of the present embodiment, the design of sound-absorbing material 5 can improve the absorption of sound guide tube to high frequency sound wave, the phonate hole 4 places phase mutual interference of avoiding high-frequency sound that the first phonation unit 11 and the second phonation unit 12 send to converge at the first sound guide tube 31, the second sound guide tube 32, improves audio amplifier audio.
In order to ensure the advantage applies of the utility model loudspeaker box structure, in above two embodiment, sound-absorbing material 5 is by material processing procedure that can absorbing high-frequency sound wave, and preferably, sound-absorbing material 5 can be acoustical cotton.In actual application, attractive material 5 also can adopt the material that other can absorbing high-frequency sound wave.
In actual application, sound guide tube also can be according to actual conditions, be designed to other shapes and structure, sound-absorbing material in two parts sound guide tube also can specifically arrange according to actual conditions, and the sound-absorbing material setting of two specific embodiments in this specification is not used in and limits the utility model loudspeaker box structure.The description of " first ", " second " in the utility model specification, is only that two-part structure is distinguished, and does not represent the erection sequence between the two, job order and position relationship etc.
These are only the utility model case study on implementation, be not limited to the utility model, as long as the equivalence that those of ordinary skill in the art do according to the utility model institute disclosure is modified or changed, all should include in the protection range of recording in claims.
Claims (8)
1. an audio amplifier, comprise casing and phonation unit, described casing comprises the first host cavity, the second host cavity, described phonation unit comprises the first phonation unit and the second phonation unit, described the first phonation unit is accommodated and is fixed in described the first host cavity, described the second phonation unit is accommodated and is fixed in described the second host cavity, it is characterized in that: described casing also comprises the first sound guide tube, the second sound guide tube and phonate hole, described the first sound guide tube is communicated with described the first host cavity and described phonate hole, described the second sound guide tube is communicated with and described the second host cavity and described phonate hole, described the first sound guide tube and the bending setting of described the second sound guide tube, described the first sound guide tube and described the second sound guide tube inwall are provided with sound-absorbing material.
2. audio amplifier according to claim 1, it is characterized in that: described audio amplifier is strip, described the first phonation unit and described the second phonation unit are arranged at respectively the two ends on described strip audio amplifier major axis limit, and described phonate hole is arranged between described the first phonation unit and described the second phonation unit.
3. audio amplifier according to claim 2, is characterized in that: described the first phonation unit, the first sound guide tube and described the second phonation unit, the second sound guide tube are symmetrical arranged about described phonate hole.
4. audio amplifier according to claim 2, is characterized in that: described the first phonation unit and described the second phonation unit include multiple loud speakers.
5. audio amplifier according to claim 3, is characterized in that: described the first phonation unit is identical with the number of loudspeakers that described the second phonation unit comprises.
6. audio amplifier according to claim 2, is characterized in that: described the first sound guide tube and described the second sound guide tube are square pipe structure.
7. audio amplifier according to claim 6, is characterized in that: the first sound guide tube of described square pipe structure has at least a side inwall to be provided with sound-absorbing material; The second sound guide tube of described square structure has at least a side inwall to be provided with sound-absorbing material.
8. according to the audio amplifier described in the arbitrary claim of claim 1 to 7, it is characterized in that: described sound-absorbing material be can absorbing high-frequency sound wave acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362715.7U CN204014013U (en) | 2014-07-02 | 2014-07-02 | Audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362715.7U CN204014013U (en) | 2014-07-02 | 2014-07-02 | Audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204014013U true CN204014013U (en) | 2014-12-10 |
Family
ID=52053949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362715.7U Expired - Lifetime CN204014013U (en) | 2014-07-02 | 2014-07-02 | Audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204014013U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120393A (en) * | 2015-07-20 | 2015-12-02 | 朝阳聚声泰（信丰）科技有限公司 | High-fidelity sound box |
| CN106303863A (en) * | 2016-11-04 | 2017-01-04 | 捷开通讯(深圳)有限公司 | A kind of loudspeaker sound emitting mouth structure for mobile terminal and mobile terminal |
| CN107547991A (en) * | 2016-06-24 | 2018-01-05 | 宏碁股份有限公司 | Loudspeaker and electronic device using same |
| CN107801126A (en) * | 2016-09-02 | 2018-03-13 | 宏碁股份有限公司 | Anti-interference loudspeaker and electronic device using same |
| CN109195082A (en) * | 2018-09-12 | 2019-01-11 | 歌尔股份有限公司 | Electric terminal |
-
2014
- 2014-07-02 CN CN201420362715.7U patent/CN204014013U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105120393A (en) * | 2015-07-20 | 2015-12-02 | 朝阳聚声泰（信丰）科技有限公司 | High-fidelity sound box |
| CN107547991A (en) * | 2016-06-24 | 2018-01-05 | 宏碁股份有限公司 | Loudspeaker and electronic device using same |
| US10368161B2 (en) | 2016-06-24 | 2019-07-30 | Acer Incorporated | Amplifier and electronic device using the same |
| CN107547991B (en) * | 2016-06-24 | 2020-06-05 | 宏碁股份有限公司 | Loudspeaker and electronic device using the same |
| CN107801126A (en) * | 2016-09-02 | 2018-03-13 | 宏碁股份有限公司 | Anti-interference loudspeaker and electronic device using same |
| CN106303863A (en) * | 2016-11-04 | 2017-01-04 | 捷开通讯(深圳)有限公司 | A kind of loudspeaker sound emitting mouth structure for mobile terminal and mobile terminal |
| CN106303863B (en) * | 2016-11-04 | 2020-03-10 | 捷开通讯(深圳)有限公司 | Loudspeaker sound outlet structure for mobile terminal and mobile terminal |
| CN109195082A (en) * | 2018-09-12 | 2019-01-11 | 歌尔股份有限公司 | Electric terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
|
| CX01 | Expiry of patent term |