CN102843623A - Portable mini loudspeaker box - Google Patents
Portable mini loudspeaker box Download PDFInfo
- Publication number
- CN102843623A CN102843623A CN2011103004848A CN201110300484A CN102843623A CN 102843623 A CN102843623 A CN 102843623A CN 2011103004848 A CN2011103004848 A CN 2011103004848A CN 201110300484 A CN201110300484 A CN 201110300484A CN 102843623 A CN102843623 A CN 102843623A
- Authority
- CN
- China
- Prior art keywords
- audio amplifier
- main body
- loudspeaker box
- potentiometer
- loudspeaker
- 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.)
- Pending
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- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a portable mini loudspeaker box, which belongs to the technical field of loudspeaker boxes. The portable mini loudspeaker box is technically characterized in that the loudspeaker box comprises a loudspeaker box body, the front end of the loudspeaker box body is provided with a loudspeaker, the rear side of the loudspeaker box body is provided with a power volume adjusting knob, the rear part of the loudspeaker box body is provided with a potentiometer, the power volume adjusting knob is fixedly connected with the adjusting end of the potentiometer, and the potentiometer is in circuit connection with the loudspeaker. The invention aims to provide a portable mini loudspeaker box which is compact in structure, easy to use and small in volume; and the portable mini loudspeaker box is used for playing vocal music.
Description
Technical field
The present invention relates to a kind of audio amplifier, more particularly, relate in particular to a kind of portable minisize audio amplifier.
Background technology
The mains switch of audio amplifier and volume adjusting function generally use rotary switch or combination button to realize control.And on the miniature loudspeaker box of simple appearance, compact size; Because consider complicated factors such as battery, circuit board, loudspeaker, cavity, and limited by cost, minimum one key switch will be set all the time; With the switching function of realization power supply, and volume adjusting function.And on miniature loudspeaker box, even button design is small and exquisite again, all the time all can be to the outward appearance and the certain influence of effect generation of integral body, as use and carry in the process and can pull clothing etc.
Summary of the invention
The objective of the invention is to the deficiency to above-mentioned prior art, a kind of compact conformation, easy to use and portable minisize audio amplifier that volume is little are provided.
Technical scheme of the present invention is achieved in that a kind of portable minisize audio amplifier; Comprise the audio amplifier main body; Be provided with loud speaker in the audio amplifier body front end, wherein said audio amplifier main body rear side is provided with the power supply volume adjustment knob, is provided with potentiometer in the audio amplifier back body; The power supply volume adjustment knob is fixedly connected with the adjustable side of potentiometer, and potentiometer is connected with speaker circuit.
In the above-mentioned portable minisize audio amplifier, the contact site of described audio amplifier main body and power supply volume adjustment knob is provided with O-ring seal.
In the above-mentioned portable minisize audio amplifier, be provided with storage battery in the described audio amplifier main body, storage battery is connected with speaker circuit.
In the above-mentioned portable minisize audio amplifier, described audio amplifier back body is provided with support, and described potentiometer is fixed on the support.
After the present invention adopts said structure, connect audio amplifier main body and power supply volume adjustment knob, make the power supply volume adjustment knob be arranged on dexterously on the audio amplifier main body through potentiometer, good looking appearance not only, and also use is also very convenient; Can reach the adjusting purpose of control volume through the rotary power source volume adjustment knob, make the audio amplifier body surfaces not have any button and knob again, make the audio amplifier outer smooth clean and tidy and simple appearance is attractive in appearance.The present invention has compact conformation, volume advantage little, easy to use.Be suitable for industrialized mass production.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing the present invention is done further detailed description, but do not constitute any restriction of the present invention.
Fig. 1 is a structural representation of the present invention.
Among the figure: audio amplifier main body 1, loud speaker 2, power supply volume adjustment knob 3, potentiometer 4, O-ring seal 5, storage battery 6, support 7.
Embodiment
Consult shown in Figure 1ly, a kind of portable minisize audio amplifier of the present invention comprises audio amplifier main body 1; Be provided with loud speaker 2 at audio amplifier main body 1 front end; Be provided with power supply volume adjustment knob 3 at audio amplifier main body 1 rear side, be provided with support 7, on support 7, be provided with potentiometer 4 at audio amplifier main body 1 rear portion; Power supply volume adjustment knob 3 is fixedly connected with the adjustable side of potentiometer 4, and potentiometer 4 is connected with loud speaker 2 circuit; Further, the contact site at audio amplifier main body 1 and power supply volume adjustment knob 3 is provided with O-ring seal 5; In audio amplifier main body 1, be provided with storage battery 6, storage battery 6 is connected with loud speaker 2 circuit, and storage battery 6 can make things convenient for carrying of audio amplifier, does not need external power supply.
During concrete the use, start audio amplifiers, continue 3 pairs of volumes of rotary power source volume adjustment knob then and regulate and get final product through rotary power source volume adjustment knob 3.
Claims (4)
1. portable minisize audio amplifier; Comprise audio amplifier main body (1), be provided with loud speaker (2), it is characterized in that at audio amplifier main body (1) front end; Described audio amplifier main body (1) rear side is provided with power supply volume adjustment knob (3); Be provided with potentiometer (4) at audio amplifier main body (1) rear portion, power supply volume adjustment knob (3) is fixedly connected with the adjustable side of potentiometer (4), and potentiometer (4) is connected with loud speaker (2) circuit.
2. portable minisize audio amplifier according to claim 1 is characterized in that, described audio amplifier main body (1) is provided with O-ring seal (5) with the contact site of power supply volume adjustment knob (3).
3. portable minisize audio amplifier according to claim 1 is characterized in that, is provided with storage battery (6) in the described audio amplifier main body (1), and storage battery (6) is connected with loud speaker (2) circuit.
4. according to the arbitrary described portable minisize audio amplifier of claim 1 to 3, it is characterized in that described audio amplifier main body (1) rear portion is provided with support (7), described potentiometer (4) is fixed on the support (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103004848A CN102843623A (en) | 2011-10-09 | 2011-10-09 | Portable mini loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103004848A CN102843623A (en) | 2011-10-09 | 2011-10-09 | Portable mini loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102843623A true CN102843623A (en) | 2012-12-26 |
Family
ID=47370634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103004848A Pending CN102843623A (en) | 2011-10-09 | 2011-10-09 | Portable mini loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102843623A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022031A (en) * | 2006-11-28 | 2007-08-22 | 甘鸿仁 | MP3 attached panel player |
| CN201383863Y (en) * | 2009-03-17 | 2010-01-13 | 东莞耳神电声科技有限公司 | Sound box with variable resonator cavity |
| CN201742554U (en) * | 2010-07-30 | 2011-02-09 | 杭州声崴演出器材有限公司 | Traffic guidance wireless active speaker |
| CN102018529A (en) * | 2009-09-09 | 2011-04-20 | 程立新 | Hand-held stethoscope |
| CN202310019U (en) * | 2011-10-09 | 2012-07-04 | 南通天华和睿科技创业有限公司 | Portable minitype loudspeaker box |
-
2011
- 2011-10-09 CN CN2011103004848A patent/CN102843623A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101022031A (en) * | 2006-11-28 | 2007-08-22 | 甘鸿仁 | MP3 attached panel player |
| CN201383863Y (en) * | 2009-03-17 | 2010-01-13 | 东莞耳神电声科技有限公司 | Sound box with variable resonator cavity |
| CN102018529A (en) * | 2009-09-09 | 2011-04-20 | 程立新 | Hand-held stethoscope |
| CN201742554U (en) * | 2010-07-30 | 2011-02-09 | 杭州声崴演出器材有限公司 | Traffic guidance wireless active speaker |
| CN202310019U (en) * | 2011-10-09 | 2012-07-04 | 南通天华和睿科技创业有限公司 | Portable minitype loudspeaker box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121226 |
|
| WD01 | Invention patent application deemed withdrawn after publication |