CN201504308U - Portable stereophonic sound - Google Patents
Portable stereophonic sound Download PDFInfo
- Publication number
- CN201504308U CN201504308U CN2009202036036U CN200920203603U CN201504308U CN 201504308 U CN201504308 U CN 201504308U CN 2009202036036 U CN2009202036036 U CN 2009202036036U CN 200920203603 U CN200920203603 U CN 200920203603U CN 201504308 U CN201504308 U CN 201504308U
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- China
- Prior art keywords
- cube
- amplifier circuit
- audio amplifier
- circuit plate
- power supply
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- 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 a portable stereophonic sound. The portable stereophonic sound as a whole is designed into a cube structure, loudspeakers are respectively arranged on all the surfaces of the cube structure, the inside of the cube structure is divided into six independent halfpace-shaped cavities accommodated in the loudspeakers, and a small cube is formed in the center of the inside of the cube structure; an audio amplifier circuit board is arranged inside the small cube, and all the loudspeakers are connected in parallel and connected with the audio amplifier circuit board; a power supply unit is arranged in the cube structure and connected with the audio amplifier circuit board through a wire; and supporting legs are arranged at the lower part of the cube structure. The six loudspeakers are independently designed, therefore, the music live space surround sound can be reproduced vividly, and the audience can feel the same music effect from different corners; the power supply unit and the audio amplifier circuit board are arranged inside the cube structure, therefore, the sound volume of the sound is higher, and the quality is higher; the loudspeakers are arranged in all the surfaces of the cube structure, therefore, the volume of the portable stereophonic sound is smaller; and the portable stereophonic sound can be designed into a cube or other polyhedron shapes so that the plasticity is higher.
Description
Technical field
The utility model relates to a kind of sound equipment, especially the sound wave of Chan Shenging have around the portable stereo system of music effect.
Background technology
At present, two loud speakers of the common configuration of sound equipment, and two loud speakers amplify in same direction.Also have minority to adopt the sound equipment of a plurality of loud speakers, but loud speaker to amplify also be in same direction, some have subwoofer only the face of amplifying have only both direction, and volume is all very big, is not easy to carry, and also seldom is active loundspeakers.
Loud speaker amplifies and arranges in same direction, sound wave only can guarantee relative tonequality in that the reflection of the effective sound of mouthful direction that amplifies is overlapping, reflect overlapping sparse, the music effect of hearing in different angles has tangible difference, and bad around audio, even adopt HIFI also can't true reappearance music site space around audio.
The utility model content
Poor in order to overcome sound space around music effect, look the music effect difference that the hearer hears in angle not and the low problem of volume of sound equipment, the utility model provides a kind of portable stereo system.
The technical solution adopted in the utility model is for achieving the above object: a kind of portable stereo system, its global design becomes cube structure, each face of described cube structure is provided with loud speaker, described cube internal separation is six independently halfpace type cavity and ccontaining described loud speakers, and forms a small cubes in described cube inside center place; Described small cubes inside is provided with the audio amplifier circuit plate, and described each loud speaker is in parallel to be connected with the audio amplifier circuit plate; Described audio amplifier circuit plate below is provided with tone frequency channel wire and is involved in mechanism, and tone frequency channel wire one end that described tone frequency channel wire is involved in mechanism is connected with the audio amplifier circuit plate, and the other end places the cube outside to be connected with audio output apparatus; Described cube is provided with power supply unit, and power supply unit is connected with the power supply of audio amplifier circuit plate by lead; Described cube bottom is provided with supporting leg.
Described power supply unit is a battery case, and described cube bottom is connected with this battery case by supporting leg, and described battery case is connected with the audio amplifier circuit plate by lead.
Described power supply unit is the battery pack of A A battery series connection, is provided with the hole of ccontaining this A A battery between inner each halfpace type cavity of described cube, is provided with a joint AA battery in each hole, each batteries formation battery pack that is connected in series; Described battery pack is connected with the audio amplifier circuit plate by lead.
Described power supply unit is a rechargeable battery, is provided with the space of ccontaining this rechargeable battery between inner two the halfpace type cavitys of described cube, and described rechargeable battery is connected with the audio amplifier circuit plate by lead.
Can also be provided with the cuboid space of ccontaining audio amplifier circuit plate between inner two the halfpace type cavitys of described cube.
Also be provided with volume regulating wheel, mains switch and external power supply socket on the described audio amplifier circuit plate, described volume regulating wheel, mains switch and external power supply socket protrude in stupefied of cube.
The beneficial effects of the utility model are:
1, the utility model adopts six loud speaker independent faces designs, can true reappearance music site space around audio, it is identical to look the music effect that the hearer hears in different angles.
2, the utility model is adopted as cube structure, and loud speaker is arranged at each face, makes volume littler.
3, the utility model adopts cube inside to be provided with power supply unit and audio amplifier circuit plate, makes the volume of sound equipment bigger, and quality is higher.
4, the utility model can be designed to the polyhedron-shaped of cube or other, and plasticity is stronger.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified,
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2-the 1st, the cross section structural map of first embodiment of the present utility model.
Fig. 2-the 2nd, the vertical section structural map of first embodiment of the present utility model.
Fig. 3 is second embodiment cross section structural map of the present utility model.
Fig. 4 is the 3rd an embodiment vertical section structural map of the present utility model.
Fig. 5 is an acoustic irradiation overlay chart of the present utility model.
Embodiment
Shown in Fig. 1,2-1,2-2,3,4, a kind of portable stereo system, its global design becomes cube structure, each face of described cube structure is provided with loud speaker 1, described cube internal separation is six independently halfpace type cavitys and be placed in loud speaker 1, and forms a small cubes in described cube inside center place; Described small cubes inside is provided with audio amplifier circuit plate 2, and described each loud speaker 1 parallel connection is connected with audio amplifier circuit plate 2; Described audio amplifier circuit plate 2 belows are provided with tone frequency channel wire and are involved in mechanism 3, and tone frequency channel wire 4 one ends that described tone frequency channel wire is involved in mechanism 3 are connected with audio amplifier circuit plate 2, and the other end is that audio frequency input adapter 9 places the cube outside to be connected with audio output apparatus; Described audio amplifier circuit plate 2 is provided with volume regulating wheel, mains switch and external power supply socket, and described volume regulating wheel, mains switch and external power supply socket protrude in stupefied of cube.Described cube is provided with power supply unit, and power supply unit is connected with audio amplifier circuit plate 2 by lead; Described cube bottom is provided with supporting leg 5.
Described power supply unit is a battery case 6, and described cube bottom is connected with this battery case 6 by supporting leg 5, and described battery case 6 is connected with audio amplifier circuit plate 2 by lead.Described power supply unit also can be the battery pack of four joint A A battery series connection, is provided with the hole 7 of ccontaining this A A battery between inner each halfpace type cavity of described cube, and described series battery is connected with audio amplifier circuit plate 2 by lead.Described power supply unit can also be rechargeable battery piece 8 (adopting charged lithium cells, nickel-based battery etc.), be provided with the space of ccontaining this rechargeable battery piece 8 between inner two the halfpace type cavitys of described cube, described rechargeable battery piece 8 is connected with audio amplifier circuit plate 2 by lead.Can also be provided with the cuboid space of ccontaining described audio amplifier circuit plate 2 between inner two the halfpace type cavitys of described cube.
In Fig. 5, the effect of the intensive overlapping intersection of sound wave that analog representation goes out, the true reappearance music site space that this audio amplifier of supplementary explanation is produced reach the identical effect of hearing in different angles of audio around audio.
Embodiment
A kind of its global design of portable stereo system becomes cube structure (the utility model length all is 80mm), each face of described cube structure is provided with loud speaker 1, and (the utility model adopts common 8 Ω, 2W loud speaker, bass can also be provided with and super high pitch loudspeaker makes up), in the cube internal separation is six independently halfpace type cavitys and be placed in loud speaker 1, and all there is independent row's air inlet in each halfpace type cavity front.And form a small cubes in cube inside center place, described small cubes is provided with audio amplifier circuit plate 2 in the space, described audio amplifier circuit plate 2 belows are provided with tone frequency channel wire and are involved in mechanism 3, described tone frequency channel wire 9 can stretch and contracted length on demand, avoid the user to produce in disorder sensation, make this sound equipment inner space compactness and reasonable use is reduced to minimum to the volume of sound equipment.Can be provided with volume regulating wheel, mains switch and external power supply socket on the described audio amplifier circuit plate 2 and protrude in one stupefied in cube.Described cube bottom is provided with four supporting legs 5, and the sound wave of the loud speaker below guaranteeing can effectively be propagated.Described cube is connected with power supply unit by supporting leg 5, and described power supply unit is the battery case 6 that four joint AA batteries are housed, and battery case 6 is connected with audio amplifier circuit plate 2 by lead.Perhaps described power supply unit is arranged in the hole 7 of two halfpace type cavity intersections setting, and a joint AA battery is installed respectively in each hole 7, and four hole 7 interior AA batteries series connection form battery pack; Perhaps described power supply unit is for to install a rechargeable battery piece 8 in two halfpace type cavity intersections.
Described audio amplifier circuit plate 2 can also be located in the space of two halfpace type cavity intersections; Audio amplifier circuit plate 2 is commercial product (model is TDA2822M); That is, but adopt the audio amplifier circuit plate 2 of independent regulation volume, independent current source switch, independent external power supply DV 6V socket; Can reduce the production cost of high-quality sound equipment greatly.Described battery component not only can adopt battery, can also adopt modes such as variable-voltage power supply and USB power supply, by to the substituting of power supply, can save out the inner space, realizes producing high-quality audio, perhaps integrated flexibly multi-functional circuit boards.
The loud speaker 1 of described six faces all is independently to send sound wave, produce crest and the reinforcement of crest excessive effects so in space environment, propagate comprehensively, trough and trough excessive effects weaken, and crest intersects all especially obviously with trough is overlapping, and the music effect of generation is more full.The sound wave that six face separate chamber loud speakers 1 send is not on same, but on six faces of spatial balance, each point is overlapping evenly intensive in the space for sound wave, will be created in different angles and hear identical music effect.Six face separate chamber of cube loud speaker adopts the double-tone road, the different sound wave stacks that produce are more obvious, the overlapping effect of reflected wave that the different sound waves that produce produce after space radiation and former sound wave is more obvious, true reappearance music site space around music effect.
Claims (6)
1. portable stereo system, its global design becomes cube structure, it is characterized in that:
Each face of described cube structure is provided with loud speaker,
Described cube internal separation is six independently halfpace type cavity and ccontaining described loud speakers, and forms a small cubes in described cube inside center place;
Described small cubes inside is provided with the audio amplifier circuit plate, and described each loud speaker is in parallel to be connected with the audio amplifier circuit plate;
Described audio amplifier circuit plate below is provided with tone frequency channel wire and is involved in mechanism, and tone frequency channel wire one end that described tone frequency channel wire is involved in mechanism is connected with the audio amplifier circuit plate, and the other end places the cube outside to be connected with audio output apparatus;
Described cube is provided with power supply unit, and power supply unit is connected with the power supply of audio amplifier circuit plate by lead;
Described cube bottom is provided with supporting leg.
2. according to right 1 described portable stereo system, it is characterized in that: described power supply unit is a battery case, and described cube bottom is connected with this battery case by supporting leg, and described battery case is connected with the audio amplifier circuit plate by lead.
3. according to right 1 described portable stereo system, it is characterized in that: described power supply unit is the battery pack of AA battery series connection, be provided with the hole of ccontaining this AA battery between inner each halfpace type cavity of described cube, be provided with a joint AA battery in each hole, each batteries formation battery pack that is connected in series; Described battery pack is connected with the audio amplifier circuit plate by lead.
4. according to right 1 described portable stereo system, it is characterized in that: described power supply unit is a rechargeable battery, be provided with the space of ccontaining this rechargeable battery piece between inner two the halfpace type cavitys of described cube, described rechargeable battery piece is connected with the audio amplifier circuit plate by lead.
5. according to right 1 described portable stereo system, it is characterized in that: the cuboid space that can also be provided with ccontaining audio amplifier circuit plate between inner two the halfpace type cavitys of described cube.
6. according to right 1 described portable stereo system, it is characterized in that: also be provided with volume regulating wheel, mains switch and external power supply socket on the described audio amplifier circuit plate, described volume regulating wheel, mains switch and external power supply socket protrude in stupefied of cube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202036036U CN201504308U (en) | 2009-09-25 | 2009-09-25 | Portable stereophonic sound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202036036U CN201504308U (en) | 2009-09-25 | 2009-09-25 | Portable stereophonic sound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201504308U true CN201504308U (en) | 2010-06-09 |
Family
ID=42455235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202036036U Expired - Fee Related CN201504308U (en) | 2009-09-25 | 2009-09-25 | Portable stereophonic sound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201504308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255009A (en) * | 2016-08-05 | 2016-12-21 | 浙江全方音响科技有限公司 | A kind of 360 ° of surround sound sound equipments and its implementation |
| CN113630673A (en) * | 2021-07-21 | 2021-11-09 | 强视传媒有限公司 | Stage sound equipment and control system thereof |
-
2009
- 2009-09-25 CN CN2009202036036U patent/CN201504308U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255009A (en) * | 2016-08-05 | 2016-12-21 | 浙江全方音响科技有限公司 | A kind of 360 ° of surround sound sound equipments and its implementation |
| CN113630673A (en) * | 2021-07-21 | 2021-11-09 | 强视传媒有限公司 | Stage sound equipment and control system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20160925 |