CN201383863Y - Sound box with variable resonator cavity - Google Patents
Sound box with variable resonator cavity Download PDFInfo
- Publication number
- CN201383863Y CN201383863Y CN200920052782U CN200920052782U CN201383863Y CN 201383863 Y CN201383863 Y CN 201383863Y CN 200920052782 U CN200920052782 U CN 200920052782U CN 200920052782 U CN200920052782 U CN 200920052782U CN 201383863 Y CN201383863 Y CN 201383863Y
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- CN
- China
- Prior art keywords
- main box
- box body
- audio amplifier
- base
- resonant cavity
- 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 - Fee Related
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Abstract
The utility model relates to the technical field of sound box, particularly relating to a sound box with variable resonator cavity. The sound box comprises a main box body with a loudspeaker inside and further comprises a main box body base and a main box body elastic extension tube. The main box body elastic extension tube is arranged between the main box body and the main box body base; the main box body base can compress the main box body elastic extension tube and is installed on the main box body; and the main box body base can be detached from the main box body to enable the main box body elastic extension tube to recover the elasticity. The bass effect of the sound box can be tuned by adjusting the volume of the resonator cavity, and the sound box is simple in structure and low in cost.
Description
Technical field:
The utility model relates to the audio amplifier technical field, relates in particular to the variable audio amplifier of resonant cavity.
Background technology:
Audio amplifier can be converted to sound with audio signal, is the requisite sound device of modern society, has been widely used in various places, has increased the sound element of diversification to people's life.The classification of audio amplifier is a lot, divides by use occasion, can be divided into professional audio amplifier and family expenses audio amplifier two big classes; Divide by the playback frequency, can be divided into full range band audio amplifier, woofer and subwoofer audio amplifier; Divide by purposes, can be divided into main playback audio amplifier, monitor speaker and return tin audio amplifier etc.; Divide by body structure, can be divided into sealed type audio amplifier, phase inverted cabinet, labyrinth type audio amplifier, sound wave tubular type audio amplifier and multi-cavity resonant mode audio amplifier etc.
Existing audio amplifier in order to obtain better audio, is generally realized the adjustment of bass effect by circuit design, the circuit design more complicated, and cost is higher.
The utility model content:
The purpose of this utility model is at the deficiencies in the prior art, provides a kind of resonant cavity variable audio amplifier, and this audio amplifier is realized the adjustment of bass effect by the volume size that changes resonant cavity, and cost is lower.
For achieving the above object, the utility model is achieved through the following technical solutions: the audio amplifier that resonant cavity is variable, the main box that comprises built-in loudspeaker, also comprise main box base and main box elastic telescopic pipe, the main box elastic telescopic pipe is connected between main box and the main box base, the compressible main box elastic telescopic pipe of main box base also is installed on the main box, and the detachable main box of main box base and make the elastic recovery of main box elastic telescopic pipe.
Described main box base is built-in with magnet.
Described main box is provided with the USB interface that can insert power supply and audio signal.
Described main box is provided with the indicator light of indication audio amplifier operating state.
Described main box is provided with the switch that can close audio amplifier and regulate volume.
The auxiliary box body that also comprises built-in loudspeaker, and auxiliary box body base and auxiliary box body elastic telescopic pipe; Be connected by tone frequency channel wire between described auxiliary box body and the main box, the auxiliary box body elastic telescopic pipe is connected between auxiliary box body and the auxiliary box body base, the compressible auxiliary box body elastic telescopic pipe of auxiliary box body base also is installed on the auxiliary box body, and the detachable auxiliary box body of auxiliary box body base and make the elastic recovery of auxiliary box body elastic telescopic pipe.
Described auxiliary box body base is built-in with magnet.
The bottom of described main box base is provided with spacing hole and spacing protruding grain; The bottom of described auxiliary box body base is provided with the secondary spacing protruding grain with the spacing hole coupling, and is provided with the secondary spacing hole that mates with spacing protruding grain.
Also comprise the audio amplifier holder, offer putting hole on the audio amplifier holder.
Described audio amplifier holder is arcuate in shape.
The utility model beneficial effect is: the audio amplifier that resonant cavity described in the utility model is variable, the main box that comprises built-in loudspeaker, and main box base and main box elastic telescopic pipe, the main box elastic telescopic pipe is connected between main box and the main box base, and the main box base can be installed on the main box and detachable main box; Adopt the audio amplifier of this structure, because main box elastic telescopic pipe variable volume, thereby when the main box base being installed to when compressing the main box elastic telescopic pipe on the main box, the resonant cavity volume diminishes, and bass effect lightens; Thereby when the main box base being separated main box when making the elastic recovery of main box elastic telescopic pipe, it is big that the resonant cavity volume becomes, and it is heavy that bass effect becomes; Therefore, the utility model can be realized the adjustment of bass effect by the volume size that changes resonant cavity, and simple in structure, cost is lower.
Description of drawings:
Fig. 1 is the structural representation of the utility model main box;
Fig. 2 is the structural representation of the utility model main box back angle;
Fig. 3 looks up the structural representation at angle for the utility model main box;
Fig. 4 is the structural representation of the utility model auxiliary box body;
Fig. 5 looks up the structural representation at angle for the utility model auxiliary box body;
Fig. 6 is a kind of user mode figure of the present utility model;
Fig. 7 is another kind of user mode figure of the present utility model;
Fig. 8 is the structural representation of the utility model audio amplifier holder.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described:
Extremely shown in Figure 8 as Fig. 1, the audio amplifier that resonant cavity is variable, the main box 1 that comprises built-in loudspeaker, also comprise main box base 2 and main box elastic telescopic pipe 3, main box elastic telescopic pipe 3 is connected between main box 1 and the main box base 2, main box base 2 compressible main box elastic telescopic pipes 3 also are installed on the main box 1, and main box base 2 detachable main boxes 1 and make 3 elastic recoveries of main box elastic telescopic pipe.The audio amplifier that resonant cavity described in the utility model is variable, because main box elastic telescopic pipe 3 variable volumes, thereby when main box base 2 being installed to when compressing main box elastic telescopic pipe 3 on the main box 1, the resonant cavity volume diminishes, bass effect lightens; Thereby when main box base 2 being separated main box 1 when making 3 elastic recoveries of main box elastic telescopic pipe, it is big that the resonant cavity volume becomes, and it is heavy that bass effect becomes; Therefore, the utility model can be realized the adjustment of bass effect by the volume size that changes resonant cavity, and simple in structure, cost is lower.
Described main box 1 is provided with the usb 12 that can insert power supply and audio signal.This usb 12 can be the variable audio amplifier of the utility model resonant cavity working power is provided, and has charge function, but this usb 12 incoming audio signal equipment also simultaneously, as be used to connect computer, mp3 etc.
Described main box 1 is provided with the indicator light 11 of indication audio amplifier operating state.Indicator light 11 is a bi-colour light, with the operating state of different color showing audio amplifiers, is in the charging operating state as the expression audio amplifier, or is in broadcast state etc.
Described main box 1 is provided with the switch 13 that can close audio amplifier and regulate volume.In the present embodiment, switch 13 has three gears, is respectively the powered-down gear, than amount of bass gear and higher volume gear.
In the present embodiment, the variable audio amplifier of this resonant cavity also comprises the auxiliary box body 4 of built-in loudspeaker, and auxiliary box body base 5 and auxiliary box body elastic telescopic pipe 6; Be connected by tone frequency channel wire between described auxiliary box body 4 and the main box 1, auxiliary box body elastic telescopic pipe 6 is connected between auxiliary box body 4 and the auxiliary box body base 5, auxiliary box body base 5 compressible auxiliary box body elastic telescopic pipes 6 also are installed on the auxiliary box body 4, and auxiliary box body base 5 detachable auxiliary box bodies 4 also make 6 elastic recoveries of auxiliary box body elastic telescopic pipe, same, auxiliary box body 4 can be realized the adjustment of bass effect by the volume size that changes resonant cavity.Main box 1 and auxiliary box body 4 are used, and can improve audio.Be connected the tone frequency channel wire between auxiliary box body 4 and the main box 1, but for adopting the tone frequency channel wire of rolling structure, convenient length according to putting position stretching tone frequency channel wire.
Described main box base 2 is built-in with magnet, and auxiliary box body base 5 is built-in with magnet, therefore, can main box 1 and auxiliary box body 4 be passed through the magnetic fixed placement according to the field of employment.Also main box base 2 and auxiliary box body base 5 can be linked together by magnetic, thereby with the use that fuses of main box 1 and auxiliary box body 4, enrich the type of service of the variable audio amplifier of the utility model resonant cavity.
The bottom of described main box base 2 is provided with spacing hole 14 and spacing protruding grain 15; The bottom of described auxiliary box body base 5 is provided with the secondary spacing protruding grain 44 with spacing hole 14 couplings, and is provided with the secondary spacing hole 45 that mates with spacing protruding grain 15.When main box 1 and auxiliary box body 4 fuse when using by magnetic, spacing hole 14, spacing protruding grain 15, secondary spacing protruding grain 44 and secondary spacing hole 45 can play spacing effect, and main box 1 and auxiliary box body 4 symmetries are connected.
The variable audio amplifier of the utility model resonant cavity also comprises the audio amplifier holder 7 that is arcuate in shape, offers putting hole 8 on the audio amplifier holder 7.When main box 1 and auxiliary box body 4 fuse when using by magnetic, main box 1 and auxiliary box body 4 can be placed on the audio amplifier holder 7.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (10)
1, the variable audio amplifier of resonant cavity, the main box (1) that comprises built-in loudspeaker, it is characterized in that: also comprise main box base (2) and main box elastic telescopic pipe (3), main box elastic telescopic pipe (3) is connected between main box (1) and the main box base (2), the compressible main box elastic telescopic pipe of main box base (2) (3) also is installed on the main box (1), and the detachable main box of main box base (2) (1) and make main box elastic telescopic pipe (3) elastic recovery.
2, the variable audio amplifier of resonant cavity according to claim 1 is characterized in that: described main box base (2) is built-in with magnet.
3, the variable audio amplifier of resonant cavity according to claim 1 is characterized in that: described main box (1) is provided with the USB interface (12) that can insert power supply and audio signal.
4, the variable audio amplifier of resonant cavity according to claim 1 is characterized in that: described main box (1) is provided with the indicator light (11) of indication audio amplifier operating state.
5, the variable audio amplifier of resonant cavity according to claim 1 is characterized in that: described main box (1) is provided with the switch (13) that can close audio amplifier and regulate volume.
6, according to the variable audio amplifier of each described resonant cavity of claim 1 to 5, it is characterized in that: also comprise the auxiliary box body (4) of built-in loudspeaker, and auxiliary box body base (5) and auxiliary box body elastic telescopic pipe (6); Be connected by tone frequency channel wire between described auxiliary box body (4) and the main box (1), auxiliary box body elastic telescopic pipe (6) is connected between auxiliary box body (4) and the auxiliary box body base (5), the compressible auxiliary box body elastic telescopic pipe of auxiliary box body base (5) (6) also is installed on the auxiliary box body (4), and the detachable auxiliary box body of auxiliary box body base (5) (4) and make auxiliary box body elastic telescopic pipe (6) elastic recovery.
7, the variable audio amplifier of resonant cavity according to claim 6 is characterized in that: described auxiliary box body base (5) is built-in with magnet.
8, the variable audio amplifier of resonant cavity according to claim 7 is characterized in that: the bottom of described main box base (2) is provided with spacing hole (14) and spacing protruding grain (15); The bottom of described auxiliary box body base (5) is provided with the secondary spacing protruding grain (44) with spacing hole (14) coupling, and is provided with the secondary spacing hole (45) that mates with spacing protruding grain (15).
9, the variable audio amplifier of resonant cavity according to claim 7 is characterized in that: also comprise audio amplifier holder (7), offer putting hole (8) on the audio amplifier holder (7).
10, the variable audio amplifier of resonant cavity according to claim 9 is characterized in that: described audio amplifier holder (7) is arcuate in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920052782U CN201383863Y (en) | 2009-03-17 | 2009-03-17 | Sound box with variable resonator cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920052782U CN201383863Y (en) | 2009-03-17 | 2009-03-17 | Sound box with variable resonator cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201383863Y true CN201383863Y (en) | 2010-01-13 |
Family
ID=41527334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920052782U Expired - Fee Related CN201383863Y (en) | 2009-03-17 | 2009-03-17 | Sound box with variable resonator cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201383863Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783987B (en) * | 2010-01-26 | 2012-09-19 | 浙江恒科实业有限公司 | Novel sound box |
| CN102843623A (en) * | 2011-10-09 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Portable mini loudspeaker box |
| WO2015127653A1 (en) * | 2014-02-28 | 2015-09-03 | 刘骏涛 | Miniature audio electronic |
-
2009
- 2009-03-17 CN CN200920052782U patent/CN201383863Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783987B (en) * | 2010-01-26 | 2012-09-19 | 浙江恒科实业有限公司 | Novel sound box |
| CN102843623A (en) * | 2011-10-09 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Portable mini loudspeaker box |
| WO2015127653A1 (en) * | 2014-02-28 | 2015-09-03 | 刘骏涛 | Miniature audio electronic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Sound box with variable resonator cavity Effective date of registration: 20130509 Granted publication date: 20100113 Pledgee: Dongguan Rural Commercial Bank branch's Limited by Share Ltd Pledgor: Dongguan Earson Audio Technology Co., Ltd. Registration number: 2013440000005 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20170317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |