CN209358758U - A kind of arc loudspeaker box structure - Google Patents
A kind of arc loudspeaker box structure Download PDFInfo
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- CN209358758U CN209358758U CN201920417026.4U CN201920417026U CN209358758U CN 209358758 U CN209358758 U CN 209358758U CN 201920417026 U CN201920417026 U CN 201920417026U CN 209358758 U CN209358758 U CN 209358758U
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- box body
- sound box
- loudspeaker
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Abstract
The utility model provides a kind of arc loudspeaker box structure, including sound box body and two blocks of side plates, the sound box body be include one end be equipped with folding part non-close annular solid, the other end of the folding part and non-close annular solid partly overlap but each other mutually from, form paraphase channel, two blocks of side plates are installed on the two sides of the sound box body, and the sound box body is equipped with loudspeaker mounting hole, the sound box body except face where loudspeaker mounting hole and other need the place of plane in addition to be cambered surface.This is spliced to form the paraphase structure and sound box body of the speaker of arc with one block of template material or muti-piece version profile material to arc loudspeaker box structure, and internal smooth, right angle is few, enhances gear housing rigidity；Cabinet standing internal wave is reduced in arc paraphase channel and bad reflected sound, speaker sound quality are purer；Low frequency is good.
Description
Technical field
The utility model relates to loudspeaker box structure technical field, in particular to a kind of arc loudspeaker box structure.
Background technique
Speaker: since the vibrating membrane of loudspeaker is front and back vibration, sound wave facing forward is exactly 180 ° of reverse phase with sound wave backwards,
If can just be offset with sound wave backwards forward without speaker, therefore the loudspeaker sound very little without speaker.The effect of speaker is exactly
Sound wave isolation backwards is got up, and by certain mode by 180 ° of sound wave reverse phase and the same phase of sound wave facing forward backwards.
Speaker mainly has two kinds of closed speaker, inverted phase type.
Closed speaker: speaker is all closed, and loudspeaker sound facing forward is only stayed in loudspeaker sound wave all isolation and noise reductions backwards
Wave, but electroacoustic efficiency is very low, and low frequency behavior is poor.
Phase inverted cabinet: it is equivalent to a piece phase-reversing tube of insertion on the basis of closed, the air in phase-reversing tube can be with loudspeaking
The promotion resonance of device sound wave backwards, the sound wave of some frequency is just the same as loudspeaker 180 ° of sound wave reverse phase backwards.Therefore paraphase
Pipe has component frequency and loudspeaker sound wave in-phase stacking facing forward, and electroacoustic efficiency is got higher.
Phase-reversing tube: be usually a straight tube, also have it is curved, section be usually circle, also have ellipse, rectangle.Due to
Human ear is very sensitive to intermediate frequency high frequency, but insensitive to low frequency, so phase-reversing tube is mainly designed for the sound of reverse phase low frequency part.
The relationship of phase-reversing tube and reverse phase low frequency: in simple terms, phase-reversing tube is longer, and tank-volumes are bigger, phase-reversing tube sectional area
Smaller, reverse phase Frequency point is lower；Phase-reversing tube sectional area is bigger, is equivalent to that air vibrating diaphragm area is bigger, and sound is also bigger after paraphase；
Phase-reversing tube is substantially the application of helmholtz resonance principle.
With reference to Figure 1A and Figure 1B, existing speaker has the paraphase channel of rectangle, has paraphase mouth A.Wherein, shown in dotted line
It is its paraphase path, collectively forms paraphase tube passage using paraphase channel inner-plate and cabinet other assemblies.The prior art lacks
Point is that right angle is especially more in cabinet, and the path including paraphase channel is also right angle, unsmooth.Due to the presence at right angle, sound meeting
Standing wave and bad reflected sound are formed in cabinet.Cabinet is all straight panel composition simultaneously, and rigidity for the slave shaped angles of straight panel
It is very poor, the problem of needing thicker thickness just and can overcome the disadvantages that shape and structure brought poor rigidity.The result of poor rigidity can bring cabinet
It resonates and generates noise.
Utility model content
The purpose of this utility model is to provide a kind of arc loudspeaker box structures, to solve existing loudspeaker box structure poor rigidity,
And cabinet standing internal wave and bad reflected sound it is more caused by the bad problem of sound quality.
To achieve the above object, the utility model provides a kind of arc loudspeaker box structure, including sound box body and two pieces of sides
Plate, the sound box body be include non-close annular solid that one end is equipped with folding part, the folding part and non-close annular solid
The other end partly overlaps but each other mutually from formation paraphase channel, two blocks of side plates are installed on the two sides of the sound box body, institute
State sound box body and be equipped with one or more loudspeaker mounting holes, except face where loudspeaker mounting hole and other need the place of plane
It is in addition cambered surface.
Preferably, the non-close annular solid be one piece of sheet metal bending formed or multi-sheets splicing after constitute.
Preferably, being correspondingly provided with 2 times in the sound box body when non-close annular solid is one piece of sheet metal bending formation
In the speaker terminal screw hole of loudspeaker installation hole number.
Preferably, two blocks of side plates are pasted on the two sides of the sound box body, and cover the side of the sound box body.
Preferably, the folding part is located at the top of the other end of the non-close annular solid.
Preferably, the end of the folding part is forward or backwards, accordingly, before the paraphase mouth in the paraphase channel of formation is located at
Side or rear.
The utility model has the following beneficial effects:
The paraphase structure and sound box body of the speaker of arc are spliced to form with one block of template material or muti-piece version profile material,
Structure is simple；
Sound box body and paraphase structure are mainly globoidal structure, and internal smooth, right angle is few, enhances gear housing rigidity；
Cabinet standing internal wave is reduced in arc paraphase channel and bad reflected sound, speaker sound quality are purer；
Paraphase channel cross-section can be made larger, and paraphase channel can be done longer, and low frequency is good.
Detailed description of the invention
Figure 1A is existing speaker external structure；
Figure 1B is existing speaker internal structure chart；
Fig. 2 is arc loudspeaker box structure outside schematic diagram provided by the utility model；
Fig. 3 is the sound box body schematic diagram of arc loudspeaker box structure provided by the utility model；
Fig. 4 is the sound box body schematic diagram of splicing provided by the utility model.
Specific embodiment
Below with reference to the attached drawing of the utility model, the technical scheme in the embodiment of the utility model is carried out clear, complete
Whole description and discussion, it is clear that as described herein is only a part of example of the utility model, is not whole realities
Example, based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, belongs to the protection scope of the utility model.
For the ease of the understanding to the utility model embodiment, make by taking specific embodiment as an example below in conjunction with attached drawing into one
The explanation of step, and each embodiment does not constitute the restriction to the utility model embodiment.
As shown in Figures 2 and 3, arc loudspeaker box structure provided in this embodiment, including sound box body 1 and two blocks of side plates 2, two
Block side plate 2 is respectively arranged in the two sides of sound box body 1, wherein sound box body 1 is equipped with loudspeaker mounting hole 3, for installing loudspeaker
, and be cambered surface in addition to 3 place face of loudspeaker mounting hole and bottom surface in sound box body 1.Here sound box body 1 is in addition to loudspeaker
Mounting surface 31 and other need the place for plane, other faces are cambered surface as far as possible, and whole size is according to actual conditions
It determines.And the quantity of loudspeaker mounting hole 3 is not limited to one, those skilled in the art, which can according to need, is set as required
One quantity of meaning.
3 place face 31 of loudspeaker mounting hole in the present embodiment be set as plane be for the ease of install loudspeaker, and bottom surface be arranged
It is for the ease of allowing speaker bottom surface steadily to support entire speaker as pedestal for plane.Certainly, preferred real at other
It applies in example, the molded non-planar for being suitable for installing loudspeaker for other, and bottom surface can also be set as needed in 3 place face of loudspeaker mounting hole
Other molded non-planars can be also designed to by the way that the forms such as exclusive pedestal are arranged, those skilled in the art can as needed certainly
By combining, specific restriction is not done here.
With further reference to shown in Fig. 3 and Fig. 2, sound box body 1 provided in this embodiment is to include one end equipped with folding part 11
Non-close annular solid, the other end of folding part 11 and non-close annular solid partly overlaps but each other mutually from forming paraphase channel
4.And one end constitutes paraphase mouth 5 to the both ends intermediate space of sound box body 1 outwardly.Here the folding part 11 of sound box body 1 and sound
Box main body 1 itself forms paraphase channel 4, wherein the size of folding part 11 is according to depending on concrete condition.
Wherein, folding part 11 is located at the top of the other end of non-close annular solid.The end of folding part is forward or backwards, right
The paraphase mouth of Ying Di, the paraphase channel of formation are located at front or behind.Referring again to arc loudspeaker box structure shown in Fig. 2, the reality
The paraphase mouth 5 for applying example is located at the 3 place face side of front namely loudspeaker mounting hole of sound box body 1.And embodiment shown in Fig. 3
Arc loudspeaker box structure paraphase mouth 5 be located at sound box body 13 place face of rear namely loudspeaker mounting hole opposite side.?
The direction of phase mouth 5 equally can unrestricted choice as needed.In Fig. 3, the rear of sound box body 1 is additionally provided with loudspeaker terminal screw hole
12, for carrying out the cabling installation of loudspeaker after speaker installs loudspeaker.
Further, above-mentioned non-close annular solid be one piece of sheet metal bending formed or multi-sheets splicing after constitute.?
I.e. sound box body 1 is formed most preferably by one piece of plate bending, in the case where technique is limited, can also be spliced by two pieces to muti-piece version and
At one block of plate, with reference to Fig. 4, sound box body 1 is spliced by two pieces of arc panels, and two pieces of arc panels are carried out by corresponding stitching portion 13
It installs and fixed.
Wherein, when sound box body 1 namely when to constitute its non-close annular solid be the formation of one piece of sheet metal bending, sound box body
On be correspondingly provided with the loudspeaker terminal screw hole 12 of 2 times of 3 quantity of loudspeaker mounting hole.
Two blocks of side plates in above-described embodiment are pasted on the two sides of sound box body 1, and cover the side of sound box body 1.
The utility model surrounds bending itself, loudspeaker through-hole (being not limited to 1, can do multiple) and sound with one block of template material
Plate is returned in bending on this block plate in case terminal screw hole (loudspeaker match 2 holes, and the quantity in hole is determined with number of speakers)
The paraphase structure and sound box body of speaker are formed after turning, sound box body removes loudspeaker mounting surface and other need the place of plane
It is elsewhere as far as possible cambered surface outside for plane.Epipleural is pasted in sound box body two sides, loads onto loudspeaker, loudspeaker binding post and
Horn wire becomes a complete speaker.If one block of template material manufactures relatively difficult, two pieces or plurality of plates can be used
Splicing becomes one block of plate in logic to realize above-mentioned function.
The sound box body and paraphase structure of this structure are mainly globoidal structure, and internal smooth, right angle is few, enhances cabinet
Rigidity, reduces cabinet standing internal wave and bad reflected sound, speaker sound quality are purer.
In addition, the paraphase channel cross-section of the structure can be made larger, paraphase channel can be done longer, and low frequency is good.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any those skilled in the art within the technical scope disclosed by the utility model, the deformation that the utility model is done
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (6)
1. a kind of arc loudspeaker box structure, which is characterized in that including sound box body and two blocks of side plates, the sound box body be include one
End is equipped with the non-close annular solid of folding part, and the other end of the folding part and non-close annular solid partly overlaps but phase each other
From formation paraphase channel, two blocks of side plates are installed on the two sides of the sound box body, and the sound box body is pacified equipped with loudspeaker
Fill hole, the sound box body except face where loudspeaker mounting holes and other need the place of plane in addition to be cambered surface.
2. arc loudspeaker box structure according to claim 1, which is characterized in that the non-close annular solid is one piece of plate folding
Bending at or multi-sheets splicing after constitute.
3. arc loudspeaker box structure according to claim 2, which is characterized in that the non-close annular solid is one piece of plate folding
Bending at when, be correspondingly provided with one or several loudspeaker mounting holes in the sound box body, and with the quantity of the loudspeaker mounting hole
2 times of setting speaker terminal screw holes.
4. arc loudspeaker box structure according to claim 1, which is characterized in that two blocks of side plates are pasted on the speaker master
The two sides of body, and cover the side of the sound box body.
5. arc loudspeaker box structure according to claim 1, which is characterized in that the folding part is located at the non-close annular
The top of the other end of body.
6. arc loudspeaker box structure according to claim 1, which is characterized in that the end of the folding part forward or backwards,
Accordingly, the paraphase mouth in the paraphase channel of formation is located at front or behind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417026.4U CN209358758U (en) | 2019-03-29 | 2019-03-29 | A kind of arc loudspeaker box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417026.4U CN209358758U (en) | 2019-03-29 | 2019-03-29 | A kind of arc loudspeaker box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209358758U true CN209358758U (en) | 2019-09-06 |
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ID=67804458
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920417026.4U Active CN209358758U (en) | 2019-03-29 | 2019-03-29 | A kind of arc loudspeaker box structure |
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| CN (1) | CN209358758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112995845A (en) * | 2019-12-12 | 2021-06-18 | 纬创资通股份有限公司 | Phase reversal pipe and sound box |
-
2019
- 2019-03-29 CN CN201920417026.4U patent/CN209358758U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112995845A (en) * | 2019-12-12 | 2021-06-18 | 纬创资通股份有限公司 | Phase reversal pipe and sound box |
| CN112995845B (en) * | 2019-12-12 | 2022-09-27 | 纬创资通股份有限公司 | Phase reversal pipe and sound box |
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