CN209994550U - Sound box - Google Patents
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- CN209994550U CN209994550U CN201920572819.3U CN201920572819U CN209994550U CN 209994550 U CN209994550 U CN 209994550U CN 201920572819 U CN201920572819 U CN 201920572819U CN 209994550 U CN209994550 U CN 209994550U
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- 238000009434 installation Methods 0.000 claims description 4
- 230000005669 field effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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Abstract
The utility model provides a sound box, it includes the full frequency unit of box, a plurality of and at least one low frequency unit, first cavity and the second cavity that has independent arrangement each other in the box, full frequency unit with the low frequency unit is installed respectively on the lateral wall of box, and each full frequency unit is in arrange on the lateral wall of box and install into one row, each full frequency unit is located in the first cavity, the low frequency unit is located in the second cavity. The sound box has the advantages that the overall structure size is small, the exerted sound energy is large, the balanced sound field effect can be provided for a large space, and the sound effect with high quality can be obtained at each position in the space.
Description
Technical Field
The utility model relates to a sound equipment technical field especially relates to a sound box.
Background
The bookshelf sound box has smaller volume and occupies smaller space, so that the bookshelf sound box is very easy to place, and is widely applied to daily life. However, since the bookshelf speaker usually only uses two speaker units, namely, a common combination of high pitch and low pitch, the listening effect of the bookshelf speaker is very limited. When the bookshelf sound box is used in a large space, the bookshelf sound box cannot meet the purpose of sound field equalization, and a huge box structure and a large-power amplifier device need to be arranged to improve the sound pressure level in the sound field. However, the bookshelf sound box with a large volume generally has the problem of sharp directivity, so that the phenomenon of 'emperor' sound field is generated, and no way is provided for enabling the whole room to have a balanced sound field effect, so that the use feeling of a user is influenced.
SUMMERY OF THE UTILITY MODEL
Based on the not enough of above-mentioned prior art, the utility model aims to provide an audio amplifier, the overall structure size of this audio amplifier is less, and the sound energy of performance is great, can be for providing balanced sound field effect in the great space for each position department homoenergetic in the space can obtain high-quality sound effect.
Based on this, the utility model discloses a technical scheme does: the utility model provides a loudspeaker box, its includes the box, the full frequency unit of a plurality of and at least one low frequency unit, first cavity and the second cavity that has independent arrangement each other in the box, the full frequency unit with the low frequency unit is installed respectively on the lateral wall of box, and each the full frequency unit is in arrange on the lateral wall of box and install into one row, each the full frequency unit is located in the first cavity, the low frequency unit is located in the second cavity.
Optionally, each full frequency unit is distributed on the side wall of the sound box at equal intervals along the length direction.
Optionally, the full frequency unit and the low frequency unit are respectively and correspondingly mounted on two adjacent side walls of the box body.
Optionally, the side wall of the box body, on which the full frequency unit is mounted, is an arc-shaped side wall arched to the outside.
Optionally, the number of the full frequency units is six, and a central angle of the circular arc-shaped side wall is 36 °.
Optionally, the sound box further comprises an inverter tube, and the inverter tube is installed in the second chamber.
Optionally, the inverter tube is located at the bottom of the low frequency unit.
Optionally, the sound box further comprises a power amplifier assembly, the power amplifier assembly is installed in the second cavity, and an external terminal of the power amplifier assembly is arranged on the side wall of the box body.
Optionally, each full frequency unit is disposed on the front side wall of the sound box, and the external terminal of the power amplifier assembly is disposed on the rear side wall of the sound box.
Implement the embodiment of the utility model provides a, following beneficial effect has:
the utility model discloses an audio amplifier includes that box, a plurality of are full frequency unit and at least one low frequency unit, first cavity and the second cavity that has independent arrangement each other in the box, full frequency unit with the low frequency unit is installed respectively on the lateral wall of box, and each full frequency unit is in arrange on the lateral wall of box and install into one, each full frequency unit is located in the first cavity, the low frequency unit is located in the second cavity. From this, be located first cavity and form the full frequency unit of a plurality of on the lateral wall of box and can form the cylinder sound wave at the during operation, can effectual reduction because the increase of distance and the reduction of decibel that causes, adopt the full frequency unit intercombination of a plurality of small-sizes, and make every full frequency unit independent application amplitude beam control technique, guarantee to adopt limited small-size box structure to exert powerful acoustic energy, thereby for the great occasion in usage space provides balanced sound field effect, make each position department under this scene can both listen to and hear the sound effect of optimum, further improvement user's use experience feels. The sound box structure is very simple in design, convenient to produce and manufacture, low in cost, capable of improving the sound field effect in the application environment and suitable for popularization and use.
Drawings
Fig. 1 is a schematic view of an overall structure of a sound box according to an embodiment of the present invention;
fig. 2 is a schematic side view of the sound box according to the embodiment of the present invention.
Description of reference numerals:
1. the device comprises a box body, 11, a first cavity, 12, a second cavity, 2, a full frequency unit, 3, a low frequency unit, 4, an inverter tube, 5, a power amplifier assembly, 51 and an external terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 and 2, the sound box according to the preferred embodiment includes a box body 1, a plurality of full frequency units 2, and at least one low frequency unit 3, wherein the box body 1 has a first chamber 11 and a second chamber 12 that are arranged independently of each other, the full frequency units 2 and the low frequency unit 3 are respectively mounted on a side wall of the box body 1, and each full frequency unit 2 is arranged and mounted in a row on the side wall of the box body 1, each full frequency unit 2 is located in the first chamber 11, and the low frequency unit 3 is located in the second chamber 12. In this embodiment, the number of the full frequency units 2 is preferably six, and the number of the low frequency units 3 is preferably one, and the side of the sound box close to the user in the use process is used as the front side of the sound box.
Based on the above structure, when the sound box is used, the six full frequency units 2 in the first chamber 11 are all installed on the front side wall of the sound box, and each full frequency unit 2 is installed on the front side wall of the sound box in a row in the longitudinal direction, the full frequency units 2 are also called full frequency horns, which refer to horns capable of covering the frequency range of 50Hz to 12500Hz, so that in the working state of the sound box, the full frequency units 2 arranged on the side wall of the sound box can jointly form cylindrical waves, the sound pressure amplitude of the cylindrical waves is uniformly distributed along the axial direction, in the actual working process, when the distance of sound transmission is doubled, the sound decibel of the cylindrical waves is smaller compared with the sound decibel of the general spherical wave transmission form which is reduced along with the increase of the distance, therefore, when the sound box is installed in a larger environment space, the sound box can exert strong sound energy, the balanced sound field effect is provided for the space, and the optimal sound effect can be guaranteed to be heard at any position of a user under the environment. This audio amplifier includes the full frequency unit 2 of six small-sizes, and the combination of the full frequency unit 2 of these small-sizes can make this audio amplifier performance high-quality sound effect to improve user's experience and feel, the design structure of whole audio amplifier structure is very simple, and the size is less, and is lower to installation space's requirement, and the occasion of adaptation is comparatively extensive, and production and manufacturing are convenient, are suitable for and use widely. Full frequency unit 2 is generally including the high frequency, intermediate frequency and low frequency, and full frequency unit 2's size and low frequency are directly proportional, the size is big more, low frequency initial frequency is low more, full frequency unit 2's size and high frequency are the inverse ratio, the size is little more promptly, the vibration quality is little less, the high frequency of radiation is high more, because in this embodiment, the audio amplifier adopts six small-size full frequency units 2, so in order to avoid appearing lacking the phenomenon of low frequency, at least one low frequency unit 3 of audio amplifier internally mounted, and correspond low frequency unit 3 and full frequency unit 2 respectively and install inside different cavities, avoid producing the mutual interference of vibration, cause mutual interference, guarantee that low frequency unit 3 can carry out reliable replenishment to full frequency unit 2's low frequency, improve the sound field effect of this audio amplifier work.
In addition, the all-band units 2 are distributed on the side wall of the sound box at equal intervals along the length direction, so that the energy transmitted by the all-band units 2 is ensured to have wide directivity in the horizontal direction, can be uniformly distributed in the vertical direction, eliminates the interference of side lobes, and generates a more uniform sound field with better quality. Full frequency unit 2 and low frequency unit 3 are corresponding respectively and are installed on two lateral walls adjacent to each other on box 1, and the convenience is being placed full frequency unit 2 and low frequency unit 3 and is being installed in the cavity of difference, simplifies the installation operation of whole audio amplifier. It should be noted that, in this embodiment, the side wall of the box body 1 for installing the full frequency unit 2 is an arc-shaped side wall arched to the outside, and the whole inner diameter of the sound box is gradually increased from top to bottom, so that the appearance of the sound box is more attractive, the full frequency unit 2 is arranged on the arc-shaped side wall of the sound box, that is, the arrangement of the full frequency unit 2 is arc-shaped, and the sound field effect of the sound box is further improved. And the central angle of the circular arc-shaped side wall is 36 degrees, six full frequency units 2 are arranged on the circular arc-shaped side wall, the full frequency units 2 are more conveniently and uniformly distributed on the circular arc-shaped side wall, so that the effective and reasonable benefit on the circular arc space can be improved, the sound emitting surfaces of all frequency units are 1/4 arc surfaces with the inner angle of 36 degrees, the sound emitting surface at the lowest end is vertically connected with the table board, and under the reflection action of the table board, the 1/4 arc sound emitting surface can provide sound energy of half arc surfaces symmetrical to the table board, so that the small box structure of the sound box can exert strong sound energy, a balanced sound field effect is provided for occasions with large use space, the optimal sound effect can be heard at all positions under the scene, and the use experience of users is further improved.
Further, this audio amplifier still includes inverter tube 4, inverter tube 4 installs in second cavity 12, full frequency unit 2 and low frequency unit 3 are at the during operation, the vibrating diaphragm is exposed and is taken place, and its both rear also can produce the vibration, inverter tube 4 then can utilize full frequency unit 2 and the vibration of low frequency unit 3 rear side too, make the sound wave strengthen, the heavy bass is strengthened, because inverter tube 4's diameter ratio is little than full frequency unit 2 and low frequency unit 3, consequently, can produce stronger sound wave, so all utilize full frequency unit 2 and low frequency unit 3's the place ahead and the sound wave at rear, make audio amplifier tone quality improve. The inverter tube 4 is randomly installed in the second chamber 12, and the installation position does not affect the working effect of the whole sound box, and in this embodiment, the inverter tube 4 is located at the bottom of the low frequency unit 3.
Referring to fig. 1, the sound box further includes a power amplifier component 5, the power amplifier component 5 is installed in the second chamber 12, and an external terminal 51 of the power amplifier component 5 is disposed on a side wall of the box body 1, the power amplifier component 5 is used for amplifying a weak electrical signal from a signal source to drive the loudspeaker to make a sound, the type of the power amplifier component can be selected according to different working requirements, and the external terminal 51 of the power amplifier component 5 is disposed on the side wall of the box body 1 to facilitate the connection of the power amplifier component 5 and an external device. Wherein, each full frequency unit 2 sets up on the preceding lateral wall of audio amplifier, and power amplifier subassembly 5's external terminal 51 sets up on the rear side wall of audio amplifier, then when installing the audio amplifier and placing, need put full frequency unit 2 towards the user, and power amplifier subassembly 5's external terminal 51 is located the rear side of audio amplifier this moment, is sheltered from to guarantee the clean and tidy and pleasing to the eye of whole audio amplifier outward appearance, also convenience of customers is connected and is installed the audio amplifier.
The utility model discloses an audio amplifier includes box 1, the full frequency unit 2 of a plurality of and at least one low frequency unit 3, have independent arrangement's each other first cavity 11 and second cavity 12 in the box 1, full frequency unit 2 with low frequency unit 3 is installed respectively on the lateral wall of box 1, and each full frequency unit 2 is in arrange to install into one on the lateral wall of box 1, each full frequency unit 2 is located in the first cavity 11, low frequency unit 3 is located in the second cavity 12. Therefore, the full frequency units 2 which are positioned in the first cavity 11 and form a row on the side wall of the box body 1 can form cylindrical sound waves when working, the reduction of decibels caused by the increase of the distance can be effectively reduced, the full frequency units 2 with small sizes are combined with each other, the amplitude beam control technology is independently applied to each full frequency unit 2, the limited small box body 1 structure is guaranteed to exert strong sound energy, a balanced sound field effect is provided for occasions with large use space, the optimal sound effect can be listened at all positions under the scene, and the use experience of users is further improved. The sound box structure is very simple in design, convenient to produce and manufacture, low in cost, capable of improving the sound field effect in the application environment and suitable for popularization and use.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a sound box, its characterized in that, includes box, the full frequency unit of a plurality of and at least one low frequency unit, first cavity and the second cavity that has independent arrangement each other in the box, the full frequency unit with the low frequency unit is installed respectively on the lateral wall of box, and each the full frequency unit is in arrange the installation on the lateral wall of box and be listed as, each the full frequency unit is located in the first cavity, the low frequency unit is located in the second cavity.
2. The cabinet of claim 1, wherein each of the full frequency units is equally spaced along a length direction on a sidewall of the cabinet.
3. The sound box according to claim 1 or 2, wherein the full frequency unit and the low frequency unit are respectively and correspondingly mounted on two side walls of the box body, which are adjacent to each other.
4. The cabinet of claim 3, wherein the side wall of the cabinet for installing the full frequency unit is a circular arc-shaped side wall that is arched outward.
5. The cabinet according to claim 4, wherein the number of said full frequency units is six, and the central angle of said circular arc-shaped side wall is 36 °.
6. The acoustic enclosure of claim 1, further comprising an inverter tube mounted within the second chamber.
7. The acoustic enclosure of claim 6, wherein the inverter tube is located at a bottom of the low frequency unit.
8. The loudspeaker of claim 1, further comprising a power amplifier module, wherein the power amplifier module is installed in the second chamber, and an external terminal of the power amplifier module is disposed on a side wall of the cabinet.
9. The sound box according to claim 8, wherein each of the full frequency units is disposed on a front side wall of the sound box, and the external terminal of the power amplifier module is disposed on a rear side wall of the sound box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572819.3U CN209994550U (en) | 2019-04-24 | 2019-04-24 | Sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572819.3U CN209994550U (en) | 2019-04-24 | 2019-04-24 | Sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209994550U true CN209994550U (en) | 2020-01-24 |
Family
ID=69292501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920572819.3U Active CN209994550U (en) | 2019-04-24 | 2019-04-24 | Sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209994550U (en) |
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2019
- 2019-04-24 CN CN201920572819.3U patent/CN209994550U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 510530 Guangdong city of Guangzhou province YUNPU Whampoa district four Road No. 6 Patentee after: Guangzhou Shiyuan Electronic Technology Company Limited Address before: 510530 Guangdong city of Guangzhou province YUNPU Whampoa district four Road No. 6 Co-patentee before: GUANGZHOU RAYER ACOUSTIC TECHNOLOGY Co.,Ltd. Patentee before: Guangzhou Shiyuan Electronic Technology Company Limited |