CN219960762U - Three frequency division coaxial line array loudspeaker box - Google Patents
Three frequency division coaxial line array loudspeaker box Download PDFInfo
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- CN219960762U CN219960762U CN202222916183.4U CN202222916183U CN219960762U CN 219960762 U CN219960762 U CN 219960762U CN 202222916183 U CN202222916183 U CN 202222916183U CN 219960762 U CN219960762 U CN 219960762U
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- box body
- sound
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- 238000010586 diagram Methods 0.000 description 4
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a three-frequency division coaxial array sound box which comprises a box body, a mounting plate, three-frequency division coaxial units and at least four passive radiators, wherein the mounting plate is arranged in the box body, the space in the box body is divided into a front cavity and a rear cavity by the mounting plate, the three-frequency division coaxial units and the four passive radiators are arranged on the mounting plate, the four passive radiators are symmetrically arranged with the three-frequency division coaxial units as the center, the passive radiators are suitable for passive sound production under the driving of air driven by the three-frequency division coaxial units, sound output ends of the passive radiators and the three-frequency division coaxial units are arranged in the front cavity, and the low frequency, the medium frequency and the high frequency of the three-frequency division coaxial array sound box can be well connected.
Description
Technical Field
The utility model relates to the technical field of sound equipment, in particular to a three-frequency division coaxial line array sound box.
Background
The sound production of a general loudspeaker is in the form of spherical waves, the sound production intensity of each point sound source is inversely proportional to the square of the propagation distance, although the sound wave attenuation is enhanced and reduced by the design of an array system, the sound production is limited by a unit technology, so that a bass unit and a treble unit are required to be separated and arranged, and the bass unit and the treble unit cannot be well connected in a transitional manner during working, and the playing effect is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the three-frequency division coaxial array loudspeaker box, which can well connect low frequency, medium frequency and high frequency, has good sound and image effects, and simultaneously uses a plurality of passive radiators to improve the low frequency output of a single three-frequency division coaxial unit and minimize the volume of a low frequency box body.
The utility model adopts the following technical scheme:
the utility model provides a three frequency division coaxial line array audio amplifier, includes the box and sets up mounting panel, three frequency division coaxial units and four at least passive radiators in the box, the mounting panel will the box inner space is divided into front chamber and back chamber, three frequency division coaxial units and four passive radiators install in on the mounting panel, and four passive radiators regard as the center to be the symmetry setting, passive radiators are suitable for the driven sound production of air drive under the coaxial unit of three frequency division, passive radiators with the sound end of coaxial unit of three frequency division all sets up in the front chamber.
Further, the mounting plates comprise a first mounting plate, a second mounting plate, a third mounting plate, a first connecting plate and a second connecting plate, the second mounting plate is arranged at two ends of the first mounting plate, the third mounting plate is arranged on one surface of the second mounting plate, which is opposite to the first mounting plate, and is parallel to the second mounting plate, the first connecting plate is arranged between the second mounting plate and the third mounting plate so as to be suitable for connecting the second mounting plate with the third mounting plate and enclosing a sound guide cavity communicated with the front cavity, the third mounting plate is connected with the inner wall of the box body through the second connecting plate, and the third mounting plate, the second connecting plate and the inner wall of the box body enclose a vibration cavity communicated with the rear cavity;
the three-frequency division coaxial unit is arranged on the first mounting plate, the sound outlet end of the three-frequency division coaxial unit is arranged in the front cavity, the second mounting plate and the third mounting plate are provided with passive radiators, and the sound outlet end of each passive radiator is arranged in the sound guide cavity.
Further, the two ends of the first mounting plate extend outwards towards the front cavity.
Further, the second mounting plate is perpendicular to the first mounting plate.
Further, the coaxial unit further comprises a waveguide horn, and the waveguide horn is arranged at the sound outlet end of the three-frequency division coaxial unit.
Further, a fixing frame is further arranged in the box body, and the three-frequency division coaxial unit is fixed with the box body through the fixing frame.
Further, handles are arranged on two sides of the box body.
Further, the novel hanging box comprises a hanging assembly, wherein the hanging assembly comprises a hanging plate arranged on the box body, and a plurality of hanging holes are formed in the hanging plate.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model uses the three-frequency division coaxial unit, the low frequency, the medium frequency and the high frequency can be well connected, the sound image effect is good, and meanwhile, a plurality of passive radiators are arranged in the box body, so that the low frequency output of the three-frequency division coaxial unit is improved by the minimized volume, and the low frequency playing effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of a three-frequency division coaxial line array sound box according to the present utility model;
fig. 2 is a schematic diagram of an internal structure of a three-frequency division coaxial line array speaker with a waveguide horn removed according to the present utility model;
fig. 3 is a schematic structural diagram of a three-frequency division coaxial unit of a three-frequency division coaxial array sound box according to the present utility model;
the diagram is: 10. a case; 101. a front cavity; 102. a rear cavity; 103. a sound guiding cavity; 104. a vibration chamber; 11. a fixing frame; 20. a mounting plate; 201. a first mounting plate; 202. a second mounting plate; 203. a third mounting plate; 204. a first connection plate; 205. a second connecting plate; 206. a guide plate; 30. a divide-by-three coaxial unit; 40. a passive radiator; 50. a waveguide horn; 60. a hanging plate; 601. hanging holes.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1-3, the utility model discloses a three-frequency division coaxial array sound box, which comprises a box body 10, and a mounting plate 20, three-frequency division coaxial units 30 and at least four passive radiators 40 which are arranged in the box body 10, wherein the mounting plate 20 divides the space in the box body 10 into a front cavity 101 and a rear cavity 102, the three-frequency division coaxial units 30 and the four passive radiators 40 are arranged on the mounting plate 20, the four passive radiators 40 are symmetrically arranged with the three-frequency division coaxial units 30 as the center, the passive radiators 40 are suitable for passive sound production under the driving of air driven by the three-frequency division coaxial units 30, and sound output ends of the passive radiators 40 and the three-frequency division coaxial units 30 are arranged in the front cavity 101.
The utility model improves the low-frequency playing effect by arranging a plurality of passive radiators 40 in the box body 10, so that the sound box improves the low-frequency output of the three-frequency division coaxial unit 30 with the minimized volume.
Preferably, the mounting plate 20 includes a first mounting plate 201, a second mounting plate 202, a third mounting plate 203, a first connecting plate 204 and a second connecting plate 205, the second mounting plate 202 is disposed at two ends of the first mounting plate 201, the third mounting plate 203 is disposed on a surface of the second mounting plate 202 opposite to the first mounting plate 201 and is parallel to the second mounting plate 202, the first connecting plate is disposed between the second mounting plate 202 and the third mounting plate 203, so as to be suitable for connecting the second mounting plate 202 and the third mounting plate 203 and enclosing a sound guiding cavity 103 communicated with the front cavity 101, the third mounting plate 203 is connected with an inner wall of the box 10 through the second connecting plate 205, and the third mounting plate 203, the second connecting plate 205 and the inner wall of the box 10 enclose a vibration cavity 104 communicated with the rear cavity 102;
the three-frequency division coaxial unit 30 is mounted on the first mounting plate 201, the sound emitting end of the three-frequency division coaxial unit 30 is disposed in the front cavity 101, the passive radiator 40 is mounted on the second mounting plate 202 and the third mounting plate 203, and the sound emitting end of the passive radiator 40 is disposed in the sound guiding cavity 103
When the utility model works, the three-frequency division coaxial unit 30 works to drive the air in the rear cavity 102 and the vibration cavity 104 to vibrate, so that the passive radiator 40 arranged on the second mounting plate 202 and the third mounting plate 203 is driven to vibrate, the passive radiator 40 generates bass, the generated bass is transmitted into the front cavity 101 through the sound guide cavity 103 to be matched with the treble and the bass generated by the three-frequency division coaxial unit 30, and the overall tone of sound transmitted by the sound box is adjusted, so that the three-frequency division coaxial unit 30 generates the treble and the bass to be connected in a better transition mode, and the sound image effect is improved.
Preferably, in order to increase the propagation distance of sound, the embodiment further includes a waveguide horn 50, where the waveguide horn 50 is mounted at the sound output end of the frequency division three-axis unit 30, and the waveguide horn 50 is configured to enable the middle and high frequencies generated by the frequency division three-axis unit 30 to be more concentrated, so as to increase the output sound pressure and prolong the projection distance of the sound box.
In this embodiment, the two ends of the first mounting plate 201 extend outwards towards the front cavity 101 to form the guide plates 206, and the two guide plates 206 and the first mounting plate 201 can form a horn-shaped structure, so that the sound generated by the three-frequency division coaxial unit 30 can be more concentrated to the front cavity 101 and transmitted forward through the front cavity 101, and the playing effect is improved.
In order to reduce the volume of the speaker box, the second mounting plate 202 is disposed perpendicular to the first mounting plate 201.
Preferably, in order to firmly fix the divide-by-three coaxial unit 30 in the box 10, in this embodiment, a fixing frame 11 is further disposed in the box 10, and the divide-by-three coaxial unit 30 is fixed with the box 10 by the fixing frame 11, so as to avoid loosening when the divide-by-three coaxial unit 30 works.
In order to facilitate the user to carry the case 10, handles are provided on both sides of the case 10 in this embodiment.
The hanging assembly comprises a hanging plate 60 arranged on the box body 10, a plurality of hanging holes 601 are formed in the hanging plate 60, and when the hanging box is adjusted, the hanging holes 601 on the hanging plate 60 are corresponding to mounting holes on an external hanging piece only according to use requirements, and locking pins are correspondingly inserted into the hanging holes 601 and the mounting holes, so that the hanging plate 60 is connected with the external hanging piece, and the box body 10 can be hung.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (8)
1. The utility model provides a three frequency division coaxial line array audio amplifier which characterized in that: including box (10), and set up mounting panel (20), three frequency division coaxial unit (30) and four at least passive radiator (40) in box (10), mounting panel (20) will space separation in box (10) is preceding chamber (101) and back chamber (102), three frequency division coaxial unit (30) and four passive radiator (40) install in on mounting panel (20), and four passive radiator (40) use three frequency division coaxial unit (30) are the symmetry setting as the center, passive radiator (40) are suitable for passive sound production under the air drive that three frequency division coaxial unit (30) drove, passive radiator (40) with the play sound end of three frequency division coaxial unit (30) all sets up in preceding chamber (101).
2. The divide-by-three coaxial line array speaker of claim 1, wherein: the mounting plate (20) comprises a first mounting plate (201), a second mounting plate (202), a third mounting plate (203), a first connecting plate (204) and a second connecting plate (205), wherein the second mounting plate (202) is arranged at two ends of the first mounting plate (201), the third mounting plate (203) is arranged on one surface, opposite to the first mounting plate (201), of the second mounting plate (202) and is arranged in parallel with the second mounting plate (202), the first connecting plate (204) is arranged between the second mounting plate (202) and the third mounting plate (203) so as to be suitable for connecting the second mounting plate (202) with the third mounting plate (203) and enclosing a sound guide cavity (103) communicated with the front cavity (101), the third mounting plate (203) is connected with the inner wall of the box body (10) through the second connecting plate (205), and the third mounting plate (203) is connected with the second connecting plate (205) and the inner wall of the box body (10) in parallel with the rear cavity (102) in an enclosing manner.
The three-frequency division coaxial unit (30) is mounted on the first mounting plate (201), the sound outlet end of the three-frequency division coaxial unit (30) is arranged in the front cavity (101), the passive radiator (40) is mounted on the second mounting plate (202) and the third mounting plate (203), and the sound outlet end of the passive radiator (40) is arranged in the sound guide cavity (103).
3. A divide-by-three coaxial line array loudspeaker as in claim 2, wherein: guide plates (206) extend outwards from two ends of the first mounting plate (201) towards the front cavity (101).
4. A divide-by-three coaxial line array loudspeaker as in claim 2, wherein: the second mounting plate (202) is arranged perpendicular to the first mounting plate (201).
5. The divide-by-three coaxial line array speaker of claim 1, wherein: the coaxial three-frequency division coaxial unit further comprises a waveguide horn (50), wherein the waveguide horn (50) is arranged at the sound outlet end of the three-frequency division coaxial unit (30).
6. The divide-by-three coaxial line array speaker of claim 1, wherein: the box body (10) is internally provided with a fixing frame (11), and the three-frequency-division coaxial unit (30) is fixed with the box body (10) through the fixing frame (11).
7. The divide-by-three coaxial line array speaker of claim 1, wherein: handles are arranged on two sides of the box body (10).
8. The divide-by-three coaxial line array speaker of claim 1, wherein: the novel box body is characterized by further comprising a hanging assembly, wherein the hanging assembly comprises a hanging plate (60) arranged on the box body (10), and a plurality of hanging holes (601) are formed in the hanging plate (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222916183.4U CN219960762U (en) | 2022-11-02 | 2022-11-02 | Three frequency division coaxial line array loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222916183.4U CN219960762U (en) | 2022-11-02 | 2022-11-02 | Three frequency division coaxial line array loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219960762U true CN219960762U (en) | 2023-11-03 |
Family
ID=88541481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222916183.4U Active CN219960762U (en) | 2022-11-02 | 2022-11-02 | Three frequency division coaxial line array loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219960762U (en) |
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2022
- 2022-11-02 CN CN202222916183.4U patent/CN219960762U/en active Active
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