CN203554675U - Loudspeaking device - Google Patents
Loudspeaking device Download PDFInfo
- Publication number
- CN203554675U CN203554675U CN201320744390.4U CN201320744390U CN203554675U CN 203554675 U CN203554675 U CN 203554675U CN 201320744390 U CN201320744390 U CN 201320744390U CN 203554675 U CN203554675 U CN 203554675U
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- opening
- loudspeaker
- little opening
- resonance
- acoustical cotton
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Abstract
The utility model discloses a loudspeaking device, which comprises a cylindrical sound box, a sound collector and a resonance tube. The cylindrical sound box is configured with a cone-shaped horn, and one end surface is provided with a radial opening; the surface of the sound collector is provided with a first large opening and a first small opening with different calibers and mutually communicated, the first large opening is corresponding to the cone surface of the cone-shaped horn, and sound waves are transmitted to the first small opening from the first large opening; and the surface of the resonance tube is provided with a second large opening and a second small opening with different calibers and mutually communicated, the second small opening is communicated with the first small opening of the sound collector, and first wave sound absorption cotton is fixedly accommodated in the second large opening.
Description
Technical field
The utility model is about a kind of loudspeaker arrangement, espespecially a kind of structural improvement for cylindrical resonance sound box.
Background technology
In recent years, stereo set is comprised of the loudspeaker arrangement of different frequency range, and for audio-visual fan, is an indispensable equipment.The resonance sound box that loudspeaker arrangement includes at least one speaker unit and is combined with speaker unit.According to the kind of speaker unit, and the size and shape of resonance sound box, loudspeaker arrangement can present different tone colors.
In the middle of the theory of acoustics, columniform resonance sound box, compared to general square audio amplifier, the better symmetry of sound wave at cylindrical audio amplifier internal resonance, has less noise or interference, therefore can allow loudspeaker arrangement obtain audio more true to nature.
Therefore, how being improved the loudspeaker arrangement of cylindrical audio amplifier, make the kind diversification more of tone color, is the problem that urgently industry solves.
Utility model content
The purpose of this utility model is to provide a kind of loudspeaker arrangement, by structural improvement, provides cylindrical audio amplifier to present different tone colors.
In order to achieve the above object, technological means of the present utility model is: one disposes the cylindrical audio amplifier of cone benzvalene form loudspeaker, its at one end face offer a radial openings; One sound collector, its surface has bore different but the first opening and the one first little opening that are interconnected, wherein this first opening is formed at this cylindrical audio amplifier top, and the sounding position corresponding to these cone benzvalene form loudspeaker, allows sound wave be passed to this first little opening from this first opening; And
Vibration cylinder altogether, its surface has bore different but the second largest opening and the one second little opening that are interconnected, the first little open communication of this second little opening and this sound collector wherein, this second largest opening is fixedly equipped with one first wave acoustical cotton.
In an embodiment of the present utility model, the shape of this radial openings, is defined and is formed by four R angles.
In an embodiment of the present utility model, the width of this radial openings end: the diameter of this cylindrical audio amplifier end face is 1:9 or its approximation.
In an embodiment of the present utility model, the accommodation space size in this sound collector is decremented to this first little opening from this first opening.
In an embodiment of the present utility model, the accommodation space size in this resonance cylinder is decremented to this second little opening from this second largest opening.
In an embodiment of the present utility model, this resonance cylinder surface is provided with resonance suppression element, described resonance suppression element is for there being several prominent grains, part in described prominent grain is disposed at this second little opening around equally spacedly, is disposed at this second largest opening around the equidistant partial periodicity of another part in described prominent grain.
In an embodiment of the present utility model, this resonance cylinder surface is provided with resonance suppression element, and described prominent grain comprises that four prominent grains are disposed at this second little opening around equally spacedly, also comprises that 12 prominent grains are disposed at this second largest opening around equally spacedly.
In an embodiment of the present utility model, this disposes the cylindrical audio amplifier of cone benzvalene form loudspeaker, and its medial surface is equipped with one second acoustical cotton, and its end near this radial openings is provided with the second wave acoustical cotton.
In an embodiment of the present utility model, between the first little opening of this sound collector and the second little opening of this resonance cylinder, dispose an annular acoustical cotton, and this annular acoustical cotton is equipped with a perforation.
In an embodiment of the present utility model, also comprise a sleeve, this jacket casing is located at the outside of the first little opening of this sound collector and the second little opening of this resonance cylinder, this sound collector is connected with this resonance cylinder, this sleeve medial surface hoop is provided with acoustical cotton, and the second little opening of the first little opening of this sound collector and this resonance cylinder is positioned in the middle of the acoustical cotton of this sleeve medial surface.
Loudspeaker arrangement of the present utility model just produces sound wave when these these cone benzvalene form loudspeaker are subject to signal driver, and its part is passed in this resonance cylinder by this sound collector and this sleeve, and the sound wave of another part is passed to this resonance sound box and resonates.By the configuration of described the first resonance suppression element and these the second resonance suppression elements, be the characteristic frequency sound wave suppressing in this resonance cylinder, the sound that characteristic frequency sound wave is produced is pressed, and presents specific tone color.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the three-dimensional explosive decomposition figure of the utility model preferred embodiment.
Fig. 2 is that the utility model preferred embodiment is according to the profile after the assembling of Fig. 1.
Fig. 3 is the plan view of the radial openings of the utility model preferred embodiment.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, the loudspeaker arrangement that the utility model preferred embodiment provides, comprises vibration cylinder 11, a sleeve 12, a sound collector 13 and a resonance sound box 14 altogether.
The two ends of this resonance cylinder 11 are respectively the opening of different size bore, and as shown in Figure 2, the part accommodation space in this resonance cylinder 11 is defined and formed by curved surface.It should be noted that except graphic the provided parabola of the utility model preferred embodiment, the accommodation space of this resonance cylinder 11 also can be the structure of taper shape or exponential function curve shape.These resonance cylinder 11 bore larger parts define a second largest opening, the other end in contrast to second largest opening has the second little opening, in this second largest opening part, be equipped with one first wave acoustical cotton 111, and the wave of this first wave acoustical cotton 111 is to be distributed in this resonance cylinder 11 in symmetrical mode.
The surface of this resonance cylinder 11 has six pairs first resonance suppression elements 112 (part is omitted and do not shown), these the first resonance suppression elements 112 be with equidistant around mode be fixedly installed on the outer surface of this resonance tins 11.Respectively this first resonance suppression element 112 consists of two 1121 of prominent grains, the vibration that it causes because of sound wave in order to suppress partial resonance cylinder 11.
The surface of this resonance cylinder 11 also has the second resonance suppression element 113 that four prominent grains form, and these the second resonance suppression elements 113 with equidistant around mode be fixedly installed on the surface of this resonance tins 11, the vibration causing because of sound wave in order to suppress partial resonance cylinder 11.
This sleeve 12 has one first acoustical cotton 121 and an annular acoustical cotton 122, annular acoustical cotton 122 central authorities are provided with a perforation, wherein this first acoustical cotton 121 is laid on the medial surface of this sleeve 12, and the periphery of this annular acoustical cotton 122 is firmly connected with this first acoustical cotton 121, make this sleeve 12 define two accommodation spaces that are interconnected (not label).A wherein accommodation space of this sleeve 12 gives one end (being provided with one end of the second little opening) of accommodating this resonance cylinder 11, allows this resonance cylinder 11 be interconnected with this sleeve 12.
The two ends of this sound collector 13 are respectively the opening of different size bore, and as shown in Figure 2, the part accommodation space in this sound collector 13 is defined and formed by curved surface.This sound collector 13 is placed in the residue accommodation space of this sleeve 12 with part section, and one end that sound collector 13 connects this sleeve 12 is provided with the first little opening, one end in contrast to this first little opening is provided with first opening, allows this sound collector 13 and this sleeve 12 and this resonance cylinder 11 threes be communicated with each other.
This resonance sound box 14 is cylindrical audio amplifier, and a wherein end face of these cylindrical audio amplifier both ends of the surface disposes cone benzvalene form loudspeaker 141.One end that this sound collector 13 is provided with first opening with it is firmly incorporated into an end face of this cylindrical audio amplifier by the mode of viscose glue, and fully cover this cone benzvalene form loudspeaker 141, allow the sound wave that these cone benzvalene form loudspeaker 141 drive be passed to this resonance cylinder 11 by this sound collector 13 and this sleeve 12.Except the fixing mode of described viscose glue, the combination of this sound collector 13 and this resonance sound box 14, also can reach by mode or other prior art of locking, therefore the detailed description of relevant fixed structure is omitted, in the hope of illustrating, simplifies.
The medial surface of this resonance sound box 14 is equipped with one second acoustical cotton 142, and is equipped with one second wave acoustical cotton 143 at the medial surface of these resonance sound box 14 other ends.The wave of this second wave acoustical cotton 143 is to be distributed in this resonance sound box 14 in symmetrical mode.
Refer to shown in Fig. 3, these resonance sound box 14 other ends have a radial openings 144, and this radial openings 144 is four R angle 145 shapes that form that define by these resonance sound box 14 other ends.The setting of this radial openings 144, makes this second wave acoustical cotton 143 give part and is exposed to outside this resonance box 14.As for the ratio of this radial openings 144, the width of these radial openings 144 ends is A, and the diameter of these resonance sound box 14 other ends is B, and A:B is that 1:9 or its approximate ratio are for better.
Please again consult Fig. 2, just produce sound wave when these these cone benzvalene form loudspeaker 141 are subject to signal driver, its part is passed in this resonance cylinder 11 by this sound collector 13 and this sleeve 12, and the sound wave of another part is passed to this resonance sound box 14 and resonates.Wherein, the configuration of these first resonance suppression elements 112 and these the second resonance suppression elements 113, is the characteristic frequency sound wave suppressing in this resonance cylinder 11, and the sound that characteristic frequency sound wave is produced is pressed, and presents specific tone color.
Above-listed detailed description is illustrating for possible embodiments of the present utility model, but this embodiment is not in order to limit the scope of the claims of the present utility model, allly do not depart from the equivalence that the utility model skill spirit does and implement or change, all should be contained in the scope of the claims of the present utility model.Above-listed detailed description is illustrating for a possible embodiments of the present utility model; but; this embodiment is not in order to limit the scope of the claims of the present utility model; allly do not depart from the equivalence that the utility model skill spirit does and implement or change, all should be contained in protection range of the present utility model.
Claims (17)
1. a loudspeaker arrangement, its feature comprises:
One disposes the cylindrical audio amplifier of cone benzvalene form loudspeaker, its at one end face offer a radial openings;
One sound collector, its surface has bore different but the first opening and the one first little opening that are interconnected, wherein this first opening is formed at this cylindrical audio amplifier top, and the sounding position of boring benzvalene form loudspeaker corresponding to this, allows sound wave be passed to this first little opening from this first opening; And
Vibration cylinder altogether, its surface has bore different but the second largest opening and the one second little opening that are interconnected, the first little open communication of this second little opening and this sound collector wherein, this second largest opening is fixedly equipped with one first wave acoustical cotton.
2. loudspeaker arrangement according to claim 1, is characterized in that: the shape of this radial openings, is defined and is formed by four R angles.
3. loudspeaker arrangement according to claim 2, is characterized in that: the width of this radial openings end: the diameter of this cylindrical audio amplifier end face is 1:9.
4. loudspeaker arrangement according to claim 2, is characterized in that: the width of this radial openings end: the diameter of this cylindrical audio amplifier end face is about 1:9.
5. loudspeaker arrangement according to claim 3, is characterized in that: the accommodation space size in this sound collector is decremented to this first little opening from this first opening.
6. loudspeaker arrangement according to claim 4, is characterized in that: the accommodation space size in this sound collector is decremented to this first little opening from this first opening.
7. loudspeaker arrangement according to claim 5, is characterized in that: the accommodation space size in this resonance cylinder is decremented to this second little opening from this second largest opening.
8. loudspeaker arrangement according to claim 6, is characterized in that: the accommodation space size in this resonance cylinder is decremented to this second little opening from this second largest opening.
9. loudspeaker arrangement according to claim 7, it is characterized in that: this resonance cylinder surface is provided with resonance suppression element, described resonance suppression element is for there being several prominent grains, part in described prominent grain is disposed at this second little opening around equally spacedly, is disposed at this second largest opening around the equidistant partial periodicity of another part in described prominent grain.
10. loudspeaker arrangement according to claim 8, it is characterized in that: this resonance cylinder surface is provided with resonance suppression element, described resonance suppression element is for there being several prominent grains, part in described prominent grain is disposed at this second little opening around equally spacedly, is disposed at this second largest opening around the equidistant partial periodicity of another part in described prominent grain.
11. loudspeaker arrangements according to claim 9, is characterized in that: described prominent grain comprises that four prominent grains are disposed at this second little opening around equally spacedly, also comprise that 12 prominent grains are disposed at this second largest opening around equally spacedly.
12. loudspeaker arrangements according to claim 10, is characterized in that: described prominent grain comprises that four prominent grains are disposed at this second little opening around equally spacedly, also comprise that 12 prominent grains are disposed at this second largest opening around equally spacedly.
13. loudspeaker arrangements according to claim 11, is characterized in that: this disposes the cylindrical audio amplifier of cone benzvalene form loudspeaker, and its medial surface is equipped with one second acoustical cotton, and its end near this radial openings is provided with the second wave acoustical cotton.
14. loudspeaker arrangements according to claim 12, is characterized in that: this disposes the cylindrical audio amplifier of cone benzvalene form loudspeaker, and its medial surface is equipped with one second acoustical cotton, and its end near this radial openings is provided with the second wave acoustical cotton.
15. loudspeaker arrangements according to claim 13, is characterized in that: between the first little opening of this sound collector and the second little opening of this resonance cylinder, dispose an annular acoustical cotton, and this annular acoustical cotton is equipped with a perforation.
16. loudspeaker arrangements according to claim 14, is characterized in that: between the first little opening of this sound collector and the second little opening of this resonance cylinder, dispose an annular acoustical cotton, and this annular acoustical cotton is equipped with a perforation.
17. according to the loudspeaker arrangement described in claim 1 or 16, it is characterized in that: also comprise a sleeve, this jacket casing is located at the outside of the first little opening of this sound collector and the second little opening of this resonance cylinder, this sound collector is connected with this resonance cylinder, this sleeve medial surface hoop is provided with acoustical cotton, and the second little opening of the first little opening of this sound collector and this resonance cylinder is positioned in the middle of the acoustical cotton of this sleeve medial surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744390.4U CN203554675U (en) | 2013-11-22 | 2013-11-22 | Loudspeaking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744390.4U CN203554675U (en) | 2013-11-22 | 2013-11-22 | Loudspeaking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554675U true CN203554675U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744390.4U Expired - Fee Related CN203554675U (en) | 2013-11-22 | 2013-11-22 | Loudspeaking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581503A (en) * | 2014-12-15 | 2015-04-29 | 吉林省兴普科技有限公司 | Vibration type body sensing sound box and application thereof |
| CN111781557A (en) * | 2020-05-12 | 2020-10-16 | 杭州兆华电子有限公司 | Acoustic camera positioning error correction method based on point sound source |
-
2013
- 2013-11-22 CN CN201320744390.4U patent/CN203554675U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581503A (en) * | 2014-12-15 | 2015-04-29 | 吉林省兴普科技有限公司 | Vibration type body sensing sound box and application thereof |
| CN111781557A (en) * | 2020-05-12 | 2020-10-16 | 杭州兆华电子有限公司 | Acoustic camera positioning error correction method based on point sound source |
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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 |
Granted publication date: 20140416 Termination date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |