CN208572403U - A kind of loudspeaker ante-chamber sound-guiding structure and its electronic device - Google Patents
A kind of loudspeaker ante-chamber sound-guiding structure and its electronic device Download PDFInfo
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- CN208572403U CN208572403U CN201820960273.4U CN201820960273U CN208572403U CN 208572403 U CN208572403 U CN 208572403U CN 201820960273 U CN201820960273 U CN 201820960273U CN 208572403 U CN208572403 U CN 208572403U
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- loudspeaker
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- sound
- guiding structure
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Abstract
The utility model relates to a kind of loudspeaker ante-chamber sound-guiding structures, it includes housing unit, the cover board being mounted on the housing unit and the loudspeaker being arranged in the housing unit, there are spaces to form ante-chamber between the loudspeaker and the housing unit, the cover board is equipped with several sound outlet holes communicated with the ante-chamber, the ante-chamber is generally T-shaped comprising close to the lesser straight-through portion of loudspeaker side size and close to the larger-size extension in sound outlet hole side.The loudspeaker ante-chamber sound-guiding structure of the utility model increases the area of speaking of sound outlet hole by the way that ante-chamber to be extended, reduce the equivalent acoustic mass before vibrating diaphragm, diaphragm oscillations amplitude is increased, achievees the purpose that increase intermediate frequency, obviously increase high frequency, improve sound quality volume.
Description
Technical field
The utility model relates to acoustic construction fields, more specifically to a kind of loudspeaker ante-chamber sound-guiding structure and its electricity
Sub-device.
Background technique
The ante-chamber and sound outlet hole of speaker cavity are affected to sound quality, current handheld terminal since volume is larger,
Existing common ante-chamber and sound outlet hole are clear opening mode of opening, the clear opening design of ante-chamber 4a as shown in Figure 5.But with end
The volume at end reduces the limitation with ID design, and fillet type sound outlet hole becomes current designer trends.But when loudspeaker ante-chamber aperture
When conceptual design is at long narrow bar shaped, since width is restricted, traditional through type design limitation percent opening leads to aperture face
Product it is limited, area of speaking is smaller, can not obtain it is enough go out sound area, volume will certainly be reduced in this way, cause volume sound quality compared with
Difference.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, before providing a kind of loudspeaker
Chamber sound-guiding structure increases the area of speaking of sound outlet hole by the extension of ante-chamber, to increase volume, improves sound quality.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of loudspeaker ante-chamber sound-guiding structure is constructed,
It includes housing unit, the cover board being mounted on the housing unit and the loudspeaker being arranged in the housing unit, described
There are spaces to form ante-chamber between loudspeaker and the housing unit, and the cover board is equipped with several sounds out communicated with the ante-chamber
Hole, the ante-chamber are generally T-shaped comprising close to the lesser straight-through portion of loudspeaker side size and close to the sound outlet hole one
The larger-size extension in side.
In some embodiments, the straight-through portion is the clear opening for being substantially in long narrow bar shaped.
In some embodiments, the extension from the straight-through portion along its length to two sides, extend up and formed.
In some embodiments, the extension is arc transiting surface relative to the two sides that the straight-through portion extends.
In some embodiments, the sound outlet hole of multiple clear openings cylindrical is evenly distributed on the cover board, it is described more
A sound outlet hole is arranged between the external border of the extension and is connected with the extension.
In some embodiments, the housing unit include roughly cylindrical first shell and be located at described first
Above shell, substantially in the second shell of long narrow bar shaped, the center of the first shell is arranged in the loudspeaker.
In some embodiments, the bottom of the first shell offer it is roughly cylindrical, for placing loudspeaker
Cavity, the straight-through portion are provided with the top of the cavity and are connected with the cavity, and the straight-through portion deviates the cavity
Center setting.
In some embodiments, the border of the cavity is recessed the groove formed for placing silicone rubber gasket upwards, institute
It states and is tightly connected between loudspeaker and the first shell by the silicone rubber gasket.
In some embodiments, the loudspeaker ante-chamber sound-guiding structure further include setting the sound outlet hole and the loudspeaker it
Between Air Filter.
The utility model also provides a kind of electronic device comprising loudspeaker ante-chamber sound-guiding structure described above.
The loudspeaker ante-chamber sound-guiding structure for implementing the utility model, before having the advantages that the loudspeaker of the utility model
Chamber sound-guiding structure increases the area of speaking of sound outlet hole, reduces the equivalent sound matter before vibrating diaphragm by the way that ante-chamber to be extended
Amount, increases diaphragm oscillations amplitude, achievees the purpose that increase intermediate frequency, obviously increases high frequency, improves sound quality volume.
In addition, being set as arc transiting surface by the side for extending ante-chamber, the mobility of vibratory flow is optimized, is reduced
The possibility of vibratory flow vortex formed here keeps air pressure at each sound outlet hole and speed closer, increases both sides sound outlet hole
Validity.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the decomposition texture schematic diagram of loudspeaker ante-chamber sound-guiding structure in some embodiments of the utility model；
Fig. 2 is the A-A profile structure diagram of loudspeaker ante-chamber sound-guiding structure in some embodiments of the utility model；
Fig. 3 is the B-B cross-section structure diagram of loudspeaker ante-chamber sound-guiding structure in some embodiments of the utility model；
Fig. 4 is the frequency response curve of the terminal frequency response curve and existing terminal using the utility model loudspeaker ante-chamber sound-guiding structure
Schematic diagram；
Fig. 5 is the schematic diagram of the section structure of the loudspeaker ante-chamber sound-guiding structure of the prior art.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It describes clear and completely, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than all implements
Example.
It should be noted that the similar statement such as term as used herein "vertical", "upper", "lower", "bottom" is only
The purpose of explanation, rather than whole embodiments.
As shown in Figure 1-3, the utility model provides a kind of loudspeaker ante-chamber sound-guiding structure, by taking round Microspeaker as an example,
It includes housing unit 1, the cover board being mounted on housing unit 12 and the loudspeaker 3 being arranged in housing unit 1, loudspeaker 3 with
There are spaces to form ante-chamber 4 between housing unit 1, and cover board 2 is equipped with several sound outlet holes 21 communicated with ante-chamber 4.Ante-chamber 4 is substantially
T-shaped, which includes larger close to the lesser straight-through portion 41 of 3 side size of loudspeaker and close 21 side size of sound outlet hole
Extension 42.
In some embodiments, housing unit 1 includes substantially in the first shell 11 of oblate cylindricality and positioned at first shell
Above body 11, substantially in the second shell 12 of long narrow bar shaped.Preferably, second shell 12 deviates the center setting of loudspeaker 3.First
The bottom of shell 11 offers substantially in oblate cylindricality for placing the cavity 13 of loudspeaker 3, it is preferable that the setting of loudspeaker 3 is the
The center of one shell 11.In some embodiments, the border of cavity 13 is recessed formation for placing silicone rubber gasket 5 upwards
Groove 14, loudspeaker 3 and first shell 11 are tightly connected by silicone rubber gasket 5.
Straight-through portion 41 is provided with the top of cavity 13 and is connected with cavity 13, can be for substantially in the perpendicular of long narrow bar shaped
Clear opening, the length dimension of straight-through portion 41 are less than the diameter dimension of cavity 13.Preferably, straight-through portion 41 deviates the center of cavity 13
Setting, the length dimension of straight-through portion 41 are less than the section length dimension of cavity 13 at its place.
Extension 42 from straight-through portion 41 along its length to two sides, extend up and formed, be substantially in and straight-through portion 41
With wide long narrow bar shaped.In some embodiments, the size of 42 two sides of extension extension is identical, i.e., it is relative to straight-through portion 41
Center symmetric setting.In some embodiments, the length dimension of extension 42 can extend to the diameter greater than first shell 11
Size.
Extension 42 is formed in second shell 12.Cover board 2, which covers, is mounted on the top of extension 42, is substantially in and the
The long narrow bar shaped that the shape of two shells 12 matches.The sound outlet hole of multiple vertical through-holes cylindrical is evenly distributed on cover board 2
21, the multiple sound outlet hole 21 is arranged between the external border of extension 42 and is connected with extension 42.Through overtesting,
The diameter of loudspeaker 3 is 36mm, and when the diameter of sound outlet hole 21 is 1.0mm or so, by extension, the area of speaking of sound outlet hole can be by
80mm in the prior art as shown in Figure 5^2Increase to 120mm^2。
The utility model, which passes through, is designed to T-type structure ante-chamber 4, by the extension on both sides, increases speaking for sound outlet hole
Area reduces the equivalent acoustic mass before vibrating diaphragm, increases diaphragm oscillations amplitude, reaches and increases intermediate frequency, obviously increases high frequency
Purpose.
Further, extension 42 is arc transiting surface relative to the increased two sides of 41 size of straight-through portion.In this way, passing through
The two sides that extension 42 is extended relative to straight-through portion 41 are changed to arcwall face, the mobility of vibratory flow is optimized, reduces
The possibility of vibratory flow vortex formed here keeps air pressure at each sound outlet hole and speed closer, increases both sides sound outlet hole
Validity.
In other embodiments, those skilled in the art can according to actual needs carry out shape, the size of extension 42
Select and set, such as be designed into exponential type, inverse Ba type etc..
The loudspeaker ante-chamber sound-guiding structure may also include the Air Filter being arranged between sound outlet hole 21 and loudspeaker 3, for preventing
Dust, adjustment high frequency peaks, protect loudspeaker.
It is the frequency response of the terminal frequency response curve using the utility model loudspeaker ante-chamber sound-guiding structure and existing terminal shown in Fig. 4
Curve synoptic diagram (honk 3 diameter 36mm, diameter 1.0mm of sound outlet hole 21 or so).By the measured result it is found that ante-chamber 4
These changes mainly exist:
1, Q value position, i.e. F0 to 1.5kHz intermediate-frequency section promotion, 1-2dB；
2, the promotion of 2k later high frequency, 3-6dB etc., while Phase delay 400Hz, high frequency extension have many promotions.
The loudspeaker ante-chamber sound-guiding structure of the utility model increases effective spoke of the loudspeaker in cavity application using structure change
Area is penetrated, acoustic compliance when by the extension on ante-chamber both sides, the acoustic mass of change loudspeaker ante-chamber and by body face-piece sound outlet hole,
To increase volume, improve sound quality.
The loudspeaker ante-chamber sound-guiding structure can be adapted for all terminal electronic products, as mobile phone, tablet computer, intercom,
All loudspeaker products used in the loudspeaker field of the equipment such as navigator and other audio industries, such as Baffle Box of Bluetooth,
Be particularly suitable for face-piece ID aperture it is restricted when sound horn device.In addition, fillet type sound outlet hole is current designer trends,
The application of the utility model loudspeaker ante-chamber sound-guiding structure can be more extensive.
It should be noted that above-mentioned electronic equipment is only for example, other electronic products that are existing or being likely to occur from now on
It is such as applicable to the utility model, should also be included within the protection scope of the utility model.
It should be understood that above embodiments only express preferred embodiments of the present invention, describe more specific
With it is detailed, but it should not be understood as limiting the scope of the patent of the utility model；It should be pointed out that for this field
Those of ordinary skill for, without departing from the concept of the premise utility, can to above-mentioned technical characterstic carry out freely
Combination, various modifications and improvements can be made, and these are all within the protection scope of the present invention；Therefore, all practical with this
The equivalents and modification that novel scope of the claims is done, should belong to the covering scope of the utility model claims.
Claims (10)
1. a kind of loudspeaker ante-chamber sound-guiding structure, including housing unit (1), the cover board (2) being mounted on the housing unit (1) with
And the loudspeaker (3) being arranged in the housing unit (1), there are spaces to be formed between the loudspeaker (3) and the housing unit (1)
Ante-chamber (4), the cover board (2) are equipped with several sound outlet holes (21) communicated with the ante-chamber (4), which is characterized in that described
Ante-chamber (4) is generally T-shaped comprising close to the straight-through portion (41) of the loudspeaker (3) side and close to the sound outlet hole (21) one
The extension (42) of side, the cross dimensions of the straight-through portion (41) are less than the cross dimensions of the extension (42).
2. loudspeaker ante-chamber sound-guiding structure according to claim 1, which is characterized in that the straight-through portion (41) is substantially in narrow
The clear opening of strip.
3. loudspeaker ante-chamber sound-guiding structure according to claim 2, which is characterized in that the extension (42) is by described straight-through
Portion (41) along its length to two sides, extend up and to be formed.
4. loudspeaker ante-chamber sound-guiding structure according to claim 3, which is characterized in that the extension (42) is relative to described
The two sides of straight-through portion (41) extension are arc transiting surface.
5. loudspeaker ante-chamber sound-guiding structure according to claim 1, which is characterized in that be evenly distributed on the cover board (2)
The sound outlet hole (21) of multiple clear openings cylindrical, external week of the multiple sound outlet hole (21) setting in the extension (42)
It is connected between circle and with the extension (42).
6. loudspeaker ante-chamber sound-guiding structure according to claim 1, which is characterized in that the housing unit (1) includes substantially
First shell (11) cylindrical and be located above the first shell (11), be substantially in long narrow bar shaped second shell
(12), center of loudspeaker (3) setting in the first shell (11).
7. loudspeaker ante-chamber sound-guiding structure according to claim 6, which is characterized in that open the bottom of the first shell (11)
Equipped with roughly cylindrical cavity (13) for placing loudspeaker (3), the straight-through portion (41) is provided with the cavity (13)
Top and be connected with the cavity (13), the straight-through portion (41) deviates the center setting of the cavity (13).
8. loudspeaker ante-chamber sound-guiding structure according to claim 7, which is characterized in that the border of the cavity (13) is concave up
The groove (14) formed for placing silicone rubber gasket (5) is fallen into, is passed through between the loudspeaker (3) and the first shell (11)
The silicone rubber gasket (5) is tightly connected.
9. loudspeaker ante-chamber sound-guiding structure according to claim 1, which is characterized in that the loudspeaker ante-chamber sound-guiding structure also wraps
Include the Air Filter being arranged between the sound outlet hole (21) and the loudspeaker (3).
10. a kind of electronic device, which is characterized in that including the described in any item loudspeaker ante-chamber sound-guiding structures of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960273.4U CN208572403U (en) | 2018-06-21 | 2018-06-21 | A kind of loudspeaker ante-chamber sound-guiding structure and its electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960273.4U CN208572403U (en) | 2018-06-21 | 2018-06-21 | A kind of loudspeaker ante-chamber sound-guiding structure and its electronic device |
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| Publication Number | Publication Date |
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| CN208572403U true CN208572403U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820960273.4U Active CN208572403U (en) | 2018-06-21 | 2018-06-21 | A kind of loudspeaker ante-chamber sound-guiding structure and its electronic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993033A (en) * | 2021-10-13 | 2022-01-28 | 维沃移动通信有限公司 | Electronic equipment, audio adjusting method and device |
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2018
- 2018-06-21 CN CN201820960273.4U patent/CN208572403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113993033A (en) * | 2021-10-13 | 2022-01-28 | 维沃移动通信有限公司 | Electronic equipment, audio adjusting method and device |
| CN113993033B (en) * | 2021-10-13 | 2024-02-06 | 维沃移动通信有限公司 | Electronic equipment, audio adjusting method and device |
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