CN203775361U - Acoustic structure with passive diaphragm unit, audio radiation module and sound box - Google Patents
Acoustic structure with passive diaphragm unit, audio radiation module and sound box Download PDFInfo
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- CN203775361U CN203775361U CN201420055462.9U CN201420055462U CN203775361U CN 203775361 U CN203775361 U CN 203775361U CN 201420055462 U CN201420055462 U CN 201420055462U CN 203775361 U CN203775361 U CN 203775361U
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- 230000005855 radiation Effects 0.000 title claims abstract description 101
- 238000010276 construction Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims 1
- 230000004807 localization Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 17
- 238000007789 sealing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model provides an acoustic structure with a passive diaphragm unit. The acoustic structure comprises a loudspeaker unit, the passive diaphragm unit and a radiant tube, wherein the passive unit is placed behind a cone of the loudspeaker unit, the side surface of the loudspeaker unit is provided with the radiant tube, one end, exposed in the air, of the radiant tube is positioned in the periphery of the cone of the loudspeaker unit, and the orientation of the radiant tube is consistent with that of the loudspeaker unit. The loudspeaker unit drives the passive diaphragm unit to vibrate, sound waves generated by vibration of the passive diaphragm unit are emitted via the radiant tube and a radiation port, and the passive diaphragm unit and the loudspeaker unit reach approximately the same sounding point, so that a full sound range approximates to a point sound source, the sounding phase different between the cone of the loudspeaker and the passive diaphragm unit is reduced, and localization of sound is greatly enhanced. The utility model also provides an audio radiation module and a sound box with the acoustic structure.
Description
Technical field
The utility model relates to a kind of acoustic construction design, relates in particular to a kind of acoustic construction that adopts passive vibrating diaphragm unit.
Background technology
When loudspeaker unit vibrates being subject to Electromagnetic Drive, the sound wave of low frequency is because the size of wavelength ratio loud speaker is large, cause the low-frequency sound wave of loud speaker front and back to be cancelled out each other, so need to be by the low-frequency sound wave isolation (airtight) after loud speaker or paraphase out.Conventional paraphase mode is phase-reversing tube or passive vibrating diaphragm unit.For the structure of using passive vibrating diaphragm unit, because passive vibrating diaphragm unit is placed on a side of loudspeaker unit or casing often, receive passive starting of oscillation after the vibration of loudspeaker unit, then send sound wave.The shortcoming of this structure is, the sound wave that passive vibrating diaphragm unit sends from loudspeaker unit has different synthetic effect (having phase difference) along with the different of LisPos, causes the location of distortion, time delay and sound field inaccurate.
In addition, consider the feature of audio frequency vibration, its frequency and wavelength have just brought special requirement to acoustic design inside and outside audio amplifier, for example external dimensions, inner acoustic construction, material etc.So the design of sound box system often has unique threshold, can not only consider its appearance effect.If consider from starting points such as its outward appearance, structures, often can not take into account the acoustical behavior of sound box system.Therefore,, for the magnetic speaker of certain excellent performance, its audio amplifier design is also often limited, can not adapt to fast the appearance requirement in multiple different applied environment.
Due to the development of wireless technology, radio play (bluetooth and AIR PLAY) becomes the broadcast mode of current main flow, and the complicated connecting line between traditional audio amplifier and player no longer exists.If so audio amplifier and household articles can be combined better, rather than audio amplifier is had an independent existence in family, both reduced the area that audio amplifier takies, also make whole household seem brevity and lucidity more.This just need to have a kind of audio frequency Radiation Module, as a standard component, can be at an easy rate with household in the object of annular seal space, carry out combination, such as light fixture, furniture etc., derive very abundant application.
Utility model content
Technical problem underlying to be solved in the utility model is to provide a kind of acoustic construction that adopts passive vibrating diaphragm unit, can make passive vibrating diaphragm unit and loud speaker sounding in approximate same sounding point, thereby reduce the sounding phase difference of passive vibrating diaphragm unit and loudspeaker unit.
Less important technical problem to be solved in the utility model is to provide a kind of audio-frequency module and audio amplifier that adopts above-mentioned acoustic construction design.
In order to solve above-mentioned technical problem, the utility model provides a kind of acoustic construction that adopts passive vibrating diaphragm unit, comprising:
Loudspeaker unit;
Passive vibrating diaphragm unit, described passive vibrating diaphragm unit is positioned at the rear of described loudspeaker unit;
It is characterized in that, described loudspeaker unit side is provided with radiant tube, and described radiant tube is communicated with radiation port, and with described loudspeaker unit towards consistent; Described radiation port is exposed in air and is positioned at the sound basin periphery of described loudspeaker unit; Described passive vibrating diaphragm unit is subject to the driving of described loudspeaker unit and vibrates, and the sound wave of described passive vibrating diaphragm unit generation of vibration sends through radiant tube and radiation port, reaches approximate same sounding point with described loudspeaker unit.
As preferably, described passive vibrating diaphragm unit and described loudspeaker unit are coaxially placed.
As preferably, described passive vibrating diaphragm unit is at least one.
As preferably, described passive vibrating diaphragm unit measure-alike or not identical.
As preferably, described radiant tube extends vertically and is communicated to described radiation port; The cross section of this radiant tube surrounds this sound basin opening in the projection of described sound basin open surfaces.
As preferably, described radiant tube cross section is head and the tail disjunct " C " fonts.
As preferably, the direction of described elastic ring is identical.
As preferably, described radiant tube from end to thering is with described radiation port link the structure that cross-sectional area expands gradually.
An audio frequency Radiation Module that uses the acoustic construction made of the passive vibrating diaphragm of above-mentioned employing unit, comprising:
Annular outer cover;
Loudspeaker unit, described loudspeaker unit is installed in described annular outer cover, and the sound basin of described loudspeaker unit is connected with described annular outer cover and is exposed in air ambient;
In the one side that described annular outer cover is connected with the sound basin of described loudspeaker unit, there is radiation port;
Described radiation port is positioned at the periphery on described loudspeaker unit sound basin surface;
Passive vibrating diaphragm unit, described passive vibrating diaphragm unit is positioned at the rear of described loudspeaker unit, coaxially places with described loudspeaker unit; Between described passive vibrating diaphragm unit and described shell, by elastic ring, be connected;
It is characterized in that, described loudspeaker unit side is provided with radiant tube, one end of described radiant tube and described radiation port be connected and with described loudspeaker unit towards consistent; Described passive vibrating diaphragm unit is subject to the driving of described loudspeaker unit and vibrates, and the sound wave of described passive vibrating diaphragm unit generation of vibration sends through radiant tube and radiation port, reaches approximate same sounding point with described loudspeaker unit.
As preferably, described audio frequency Radiation Module also comprises a circuit board.
As preferably, described circuit board can be arranged in described radiant tube.
An audio amplifier that uses above-mentioned audio frequency Radiation Module made, comprising: casing, audio frequency Radiation Module, sealing-in parts;
As preferably, the described casing structure that is formed in one.
As preferably, the length of described sealing-in parts is how much girths that described tank surface contacts with described audio frequency Radiation Module.
As preferably, described casing only need to be reserved and lay the needed hole of described audio frequency Radiation Module, without designing for acoustic construction.
As preferably, described casing is inflatable structure.
As preferably, described casing can be changed.
An audio amplifier that uses the acoustic construction made of the passive vibrating diaphragm of above-mentioned employing unit, is characterized in that, comprising:
Casing;
Loudspeaker unit, described loudspeaker unit is installed in described casing, and the sound basin of described loudspeaker unit is connected with described casing and is exposed in air ambient;
In the one side that described casing is connected with the sound basin of described loudspeaker unit, there is radiation port;
Described radiation port is positioned at the periphery on described loudspeaker unit sound basin surface;
Passive vibrating diaphragm unit, described passive vibrating diaphragm unit is positioned at the rear of described loudspeaker unit; Between described passive vibrating diaphragm unit and described casing, by elastic ring, be connected;
Described loudspeaker unit side is provided with radiant tube, one end of described radiant tube and described radiation port be connected and with described loudspeaker unit towards consistent; Described passive vibrating diaphragm unit is subject to the driving of described loudspeaker unit and vibrates, and the sound wave of described passive vibrating diaphragm unit generation of vibration sends through radiant tube and radiation port, reaches approximate same sounding point with described loudspeaker unit.
A kind of acoustic construction that adopts passive vibrating diaphragm unit that the utility model provides, the sounding of the sounding of passive vibrating diaphragm unit and the sound basin of loudspeaker unit reaches approximate same origination point, reached the sounding effect of the approximate simple sound source of gamut, the phase difference that has reduced the sound basin sounding of loudspeaker unit and the sounding of passive vibrating diaphragm unit has greatly obtained reinforcement aspect localization of sound.
A kind of acoustic construction that adopts passive vibrating diaphragm unit that the utility model provides, except possessing above-mentioned advantage, by using the passive vibrating diaphragm unit of stacked form, the effective area of passive vibrating diaphragm unit is multiplied, can possess good bass effect.Simultaneously, by the stacked placement of loudspeaker unit and passive vibration unit, the oscillation intensity that the loudspeaker unit that receives between passive vibrating diaphragm unit is produced is different, this just makes passive vibration unit in the vibration vector of cancelling each other, the vibration that all right partial offset loudspeaker unit produces.The audio frequency Radiation Module that adopts this structural design vibrates dynamically time littlely large, and sound coloration is little, and tonequality fidelity makes the designing requirement of outer container further reduce.Meanwhile, the audio frequency Radiation Module that uses passive vibrating diaphragm unit to make, it requires very low to tank-volumes, can not cause tonequality to make a big difference because of having changed not isometric casing, has good applicability.
A kind of audio amplifier that uses above-mentioned audio frequency Radiation Module made that the utility model provides, owing to having used integrated casing, making only has the part being connected with described audio frequency Radiation Module to need sealing on described casing, than existing speaker products, sealing girth greatly reduces, make, in the process of producing and assembling, the requirement of sealing technology to be reduced greatly, yields is greatly improved.In addition, because the design of casing has not needed to consider the technical problem of electronics and acoustics, the designer of all trades and professions can design most suitable application as required, audio amplifier and existing product are organically combined, derive diversified application, when not destroying existing product outward appearance, hide and placed audio amplifier well.Simultaneously, owing to having used described audio frequency Radiation Module to use the structure of passive vibrating diaphragm unit, make described audio frequency Radiation Module very low to the requirement of tank-volumes, this just makes to change casing becomes possibility, and buyer can go out the very audio amplifier of individual character according to the hobby DIY of oneself.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model embodiment mono-;
Fig. 2 is the structure chart of the utility model embodiment bis-;
Fig. 3 is the vertical view of the utility model embodiment bis-;
Fig. 4 is the schematic perspective view of the utility model embodiment tri-;
Fig. 5 is the schematic diagram of the utility model embodiment tetra-, wherein:
(a) be that structure chart (b) is outside drawing
Fig. 6 is existing audio amplifier schematic diagram in the utility model embodiment tetra-, wherein:
(a) be that structure chart (b) is outside drawing
Fig. 7 is the schematic diagram of monophony audio amplifier in the utility model embodiment five, wherein
(a) be that structure chart (b) is outside drawing
Fig. 8 is the schematic diagram of dual track audio amplifier in the utility model embodiment five, wherein
(a) be that structure chart (b) is outside drawing
Fig. 9 is the schematic diagram of sound-channel voice box in the utility model embodiment five,
(a) be that structure chart (b) is outside drawing
Figure 10 is the schematic diagram of the utility model embodiment six;
Figure 11 is the schematic diagram of the utility model embodiment seven;
Figure 12 is the schematic diagram of the utility model embodiment eight, wherein:
(a) be that design sketch (b) is mounting structure figure
Figure 13 is the schematic diagram of the utility model embodiment nine;
Figure 14 is the schematic diagram of the utility model embodiment ten, wherein:
(a) be that structure chart (b) is outside drawing
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail:
Embodiment mono-:
As Fig. 1, the present embodiment provides a kind of audio frequency Radiation Module, and it comprises annular outer cover 1; Loudspeaker unit 10, described loudspeaker unit 10 is installed in described annular outer cover 1, and the sound basin 11 of described loudspeaker unit 10 is connected and is exposed in air ambient with described annular outer cover 1; In the one side that described annular outer cover 1 is connected with the sound basin 11 of described loudspeaker unit 10, there is radiation port 24; Described radiation port 24 is positioned at the periphery on sound basin 11 surfaces of described loudspeaker unit 10; Passive vibrating diaphragm unit 22 and 23, described passive vibrating diaphragm unit 22 and 23 is positioned at the rear of described loudspeaker unit 10, coaxially places with described loudspeaker unit 10; Described passive vibrating diaphragm unit 22 and 23 with annular outer cover 1 between by elastic ring 221, be connected with 231.Described loudspeaker unit 10 sides are provided with radiant tube 21, one end of described radiant tube 21 be connected with described radiation port 24 and with described loudspeaker unit 10 towards consistent.
In actual use, loudspeaker unit 10 is subject to Electromagnetic Drive and sounding, its sound basin 11 vibrations, and the radiation of the generation of vibration of the place ahead output of sound basin 11 own, and sound basin 11 back sides vibrate by the passive vibrating diaphragm of air driven unit 22 and 23.
The sound wave that described passive vibrating diaphragm unit 22 and 23 vibrations produce is through radiant tube 21, to radiation port 24 outputs, make passive vibrating diaphragm unit 22 and 23 and the sounding of the sound basin 11 of loudspeaker unit 10 reach approximate same sounding point, aspect two, the sound field of sound-reducing and phase place, all can greatly bring into play the advantage of loudspeaker unit 10 itself, particularly in the effect of bass frequency range.
The present embodiment also has following feature:
The unit of passive vibrating diaphragm described in the present embodiment 22 and 23 is positioned at the rear of described loudspeaker unit 10 in parallel to each other.The stacked form of this structure has good effect aspect the bass compensation of whole device, because whole module is in the diameter range of sound basin 11 external diameters only, use the passive vibrating diaphragm unit of double-deck form, the area that makes total passive vibrating diaphragm cellar area be equivalent to sound basin 11 occurs at double, so it is more than the twice of loudspeaker cone 11 areas having realized the gross area of " loudspeaker cone+passive vibrating diaphragm unit ", be conducive to realize good bass, and reduce the surface area of sounding body, comparatively favourable to audio amplifier appearance design.Especially, passive vibrating diaphragm unit 22 can be set not identical with 23 size, thereby make the oscillation intensity of the received loudspeaker unit 10 in passive vibrating diaphragm unit 22 and 23 unequal.So passive vibrating diaphragm unit 22 and 23 in the vibration vector of cancelling each other each other, the vibration vector can also partial offset loudspeaker unit 10 producing, thus make whole module vibrate dynamically time littlely large, sound coloration is little, tonequality fidelity.Meanwhile, the audio frequency Radiation Module that uses passive vibrating diaphragm unit to make, it requires very low to tank-volumes, can not cause tonequality to make a big difference because of having changed not isometric casing, has good applicability.
Radiant tube 21 extensions of the present embodiment are communicated to radiation port 24; The cross section of this radiant tube 21 surrounds these sound basin 11 openings in the projection of sound basin 11 open surfaces, and this form has fully been saved the cross-sectional area of radiant tube 21, and very favourable to the integrated molding of shell 1, has further strengthened compact advantage.
Embodiment bis-:
With reference to figure 2, Fig. 3, the structure of the present embodiment is similar to Example 1, difference is: radiant tube 21 cross sections of the present embodiment are " C " shape, be coated on sound basin 11 cross-sectional circumference, contribute to hide in loudspeaker unit 10 sides circuit board 30, can form the scheme of various active module embedded thereins thus, for example amplifier, frequency divider etc.
The passive vibrating diaphragm unit of the present embodiment with 22,23 with described annular outer cover 1 between the elastic ring that is connected there is the structure of equidirectional, as shown in Figure 8, elastic ring 221 is identical with 231 direction; In actual conditions, elastic ring 221 or 231, when radiating element 22 or 23 difference upstream or downstream, its elastic force is unequal, no matter it is expansion or contraction that this structure makes passive vibrating diaphragm unit 22,23, its elastic force vector is all consistent, make the amplitude of radiation all have very consistent feature in positive-negative half-cycle, avoided radiating element 22 or the inconsistent distortion bringing of 23 positive and negative elastic force.
Embodiment tri-:
As shown in Figure 4, the schematic perspective view of the utility model embodiment bis-its shells.
The structure of the present embodiment and embodiment mono-are similar, different, and radiant tube 21 its cross-sectional areas of embodiment bis-are constant, pipeline for first-class bore, and the radiant tube 21 of the present embodiment from end to connecting open to atmosphere radiation port 24, there is expansion edge 29, be gradually the form expanding.The radiant tube 21 of this form has the advantages that acoustic resistance power is little, the sound wave of its collection is had the effect of amplification simultaneously, has further improved the sounding performance of integral module.
Embodiment tetra-:
As shown in Figure 5, the schematic diagram of the utility model embodiment tetra-.
In the present embodiment, a kind of audio amplifier that adopts above-mentioned audio frequency Radiation Module to make, comprises integrated casing 1, audio frequency Radiation Module 2,3.Carrying out audio amplifier when assembling, because casing is integrated, so the part that only has tank surface to contact with audio frequency Radiation Module need to seal, so the length of required sealing-in parts be audio frequency Radiation Module 2,3 upper perimeter and.Described audio frequency Radiation Module 2,3 upper surfaces are circular, and diameter is 50mm, so required sealing-in part length is: 2x3.14x50=314mm.
With reference to figure 6, schematic diagram for traditional audio amplifier, for the audio amplifier of traditional same size, because casing is divided into back cover and front panel, loudspeaker unit and passive vibrating diaphragm unit are discrete placements, so when sealing, loudspeaker unit, passive vibrating diaphragm unit need to be sealed with front panel respectively, by front panel and back cover sealing, required sealing girth has reached 2008mm again.
As can be seen here, the audio amplifier that adopts audio frequency Radiation Module to make, has greatly reduced the girth of sealing-in parts, thereby has reached the simplification of audio amplifier sealing technology in assembling process, has promoted yields.
Embodiment five:
As shown in Fig. 7,8,9, the schematic diagram of the utility model embodiment five.
In the present embodiment, adopt respectively 1,2 and 4 audio frequency Radiation Modules to make audio amplifier.The audio amplifier that adopts 1 audio frequency Radiation Module to make is monophony audio amplifier; The audio amplifier that adopts 2 audio frequency Radiation Modules to make is stereo speaker; The audio amplifier that adopts 4 audio frequency Radiation Modules to make is sound-channel voice box; By monophony audio amplifier, to sound-channel voice box, only need to change the size of casing and the quantity of audio frequency Radiation Module, need to casing not made design and be changed for acoustic construction.As can be seen here, by using general audio frequency Radiation Module, making, when design sound box, does not need to consider acoustic construction, to the design threshold of the structure of audio amplifier and casing, has dropped to minimum.
Embodiment six:
As shown in figure 10, the schematic diagram of the utility model embodiment six.
In the present embodiment, a kind of audio amplifier that adopts above-mentioned audio frequency Radiation Module to make, comprises glass jar casing 1, audio frequency Radiation Module 2.Due to glass in blowing process except opening surface, remainder has good sealing, only the audio frequency Radiation Module that is applicable to size need to be sealed in to opening part, has just formed an intact audio amplifier.So when adopting audio frequency Radiation Module to make audio amplifier, for the selection of tank material diversity more, the audio amplifier outward appearance of designing also has more individual character.
Embodiment seven:
As shown in figure 11, the schematic diagram of the utility model embodiment seven.
In the present embodiment, a kind of audio amplifier that adopts above-mentioned audio frequency Radiation Module to make, is arranged on lampshade 3 inside by audio frequency Radiation Module 1, and described audio frequency Radiation Module 1 bottom is equiped with LED lamp 2; Utilize lampshade 1 as casing, audio amplifier and lamp are combined well.As can be seen here, use audio frequency Radiation Module can make audio amplifier no longer independently be present in domestic environment, but can combine with household furnishing well, saved space, also can derive colourful application.
Embodiment eight:
As shown in figure 12.The schematic diagram of the utility model embodiment eight.
A kind of audio amplifier that adopts above-mentioned audio frequency Radiation Module to make in the present embodiment, audio frequency Radiation Module 2 is arranged on television background wall 1, during by finishing, on wall, reserve a cavity 3 and hole 4, after having fitted up, only audio frequency Radiation Module 2 need be mounted in wall by hole 4 embedding sealings, audio frequency Radiation Module 2 can form an audio amplifier with cavity 3.
Embodiment nine:
As shown in figure 13, the schematic diagram of the utility model embodiment nine.
In the present embodiment, a kind of audio amplifier that adopts above-mentioned audio frequency Radiation Module to make, is arranged on audio frequency Radiation Module 2 on the casing 2 that possesses inflatable structure, becomes a kind of audio amplifier that can inflate or exit.Owing to having adopted inflatable structure, audio amplifier just needs, to casing 2 inflations, can exit at ordinary times to reduce the shared area of casing 2 in use, for large-sized audio amplifier, especially possesses advantage.Meanwhile, audio frequency Radiation Module 2 can also be combined together to form multifunctional sound box with a lot of existing product perfect that possess inflatable structure, for example, be combined with air pillow, be combined with air bed, has further enriched the range of application of audio frequency Radiation Module.
Embodiment ten:
As shown in figure 14, the present embodiment provides a kind of audio amplifier, and it comprises a casing 1, two loudspeaker units 10, the structure of one of them loudspeaker unit 10 of take is example: passive vibrating diaphragm unit 22 and 23 has been fixed at the rear of described loudspeaker unit 10.The vibratory flow that described passive vibrating diaphragm unit 22 and 23 is in use subject to sound basin 11 drives, and reaches the object of passive radiation.Described passive vibrating diaphragm unit 22 and 23 with described casing 1 between by elastic ring 221, be connected with 231.
Radiant tube 21 is positioned at the side of loudspeaker unit 10, and its one end is communicated with a radiation port 24; Wherein, passive vibrating diaphragm unit 22,23 is positioned at the rear of loudspeaker unit 10 its sound basins 11, and radiation port 24 is positioned at the edge of sound basin 11, and its towards with sound basin 11 towards consistent.Described radiant tube 21 extends vertically and is communicated to described radiation port 24; The cross section of this radiant tube 21 surrounds this sound basin opening in the projection of described sound basin open surfaces, and forms " C " font.
Above embodiment is only used for explanation the utility model principle, not the only execution mode of the utility model.Above-described embodiment should not be considered as limiting scope of the present utility model.Those skilled in the art, when reading and having understood aforementioned detailed description, can modify and change.Concrete protection range should be as the criterion with claims.
Claims (18)
1. adopt an acoustic construction for passive vibrating diaphragm unit, comprising:
Loudspeaker unit;
Passive vibrating diaphragm unit, described passive vibrating diaphragm unit is positioned at the rear of described loudspeaker unit;
It is characterized in that, described loudspeaker unit side is provided with radiant tube, and described radiant tube is communicated with radiation port, and with described loudspeaker unit towards consistent; Described radiation port is exposed in air and is positioned at the sound basin periphery of described loudspeaker unit; Described passive vibrating diaphragm unit is subject to the driving of described loudspeaker unit and vibrates, and the sound wave of described passive vibrating diaphragm unit generation of vibration sends through radiant tube and radiation port, reaches approximate same sounding point with described loudspeaker unit.
2. a kind of acoustic construction that adopts passive vibrating diaphragm unit according to claim 1, is characterized in that, described passive vibrating diaphragm unit and described loudspeaker unit are coaxially placed.
3. a kind of acoustic construction that adopts passive vibrating diaphragm unit according to claim 1, is characterized in that, described passive vibrating diaphragm unit is at least one.
4. a kind of acoustic construction that adopts passive vibrating diaphragm unit according to claim 1, is characterized in that, described passive vibrating diaphragm unit measure-alike or not identical.
5. a kind of acoustic construction that adopts passive vibrating diaphragm unit according to claim 1, is characterized in that, described radiant tube extends vertically and is communicated to described radiation port; The cross section of this radiant tube surrounds this sound basin opening in the projection of described sound basin open surfaces.
6. a kind of acoustic construction that adopts passive vibrating diaphragm unit according to claim 1, is characterized in that, described radiant tube cross section is head and the tail disjunct " C " fonts.
7. a kind of acoustic construction that adopts passive vibrating diaphragm unit according to claim 1, is characterized in that, described radiant tube extremely has with described radiation port link the structure that cross-sectional area expands gradually from end.
8. right to use requires an audio frequency Radiation Module for the acoustic construction made of the passive vibrating diaphragm of the employing unit described in 1 or 2 or 3 or 4 or 5 or 6 or 7, comprising:
Annular outer cover;
Loudspeaker unit, described loudspeaker unit is installed in described annular outer cover, and the sound basin of described loudspeaker unit is connected with described annular outer cover and is exposed in air ambient;
In the one side that described annular outer cover is connected with the sound basin of described loudspeaker unit, there is radiation port;
Described radiation port is positioned at the periphery on described loudspeaker unit sound basin surface;
Passive vibrating diaphragm unit, described passive vibrating diaphragm unit is positioned at the rear of described loudspeaker unit; Between described passive vibrating diaphragm unit and described shell, by elastic ring, be connected;
It is characterized in that, described loudspeaker unit side is provided with radiant tube, one end of described radiant tube and described radiation port be connected and with described loudspeaker unit towards consistent; Described passive vibrating diaphragm unit is subject to the driving of described loudspeaker unit and vibrates, and the sound wave of described passive vibrating diaphragm unit generation of vibration sends through radiant tube and radiation port, reaches approximate same sounding point with described loudspeaker unit.
9. a kind of audio frequency Radiation Module according to claim 8, is characterized in that, described audio frequency Radiation Module also comprises a circuit board.
10. a kind of audio frequency Radiation Module according to claim 9, is characterized in that, described circuit board can be arranged in described radiant tube.
11. a kind of audio frequency Radiation Modules according to claim 8, is characterized in that, the direction of described elastic ring is identical.
12. 1 kinds of rights to use require the audio amplifier of the audio frequency Radiation Module made described in 8, comprising: casing, audio frequency Radiation Module, sealing-in parts; On described casing, have the required hole of the described audio frequency Radiation Module of installation, described sealing-in parts are installed between described hole and described audio frequency Radiation Module.
The audio amplifier of 13. a kind of audio frequency Radiation Module mades according to claim 12, is characterized in that, the described casing structure that is formed in one.
The audio amplifier of 14. a kind of audio frequency Radiation Module mades according to claim 12, is characterized in that, the length of described sealing-in parts is how much girths that described tank surface contacts with described audio frequency Radiation Module.
The audio amplifier of 15. a kind of audio frequency Radiation Module mades according to claim 12, is characterized in that, described casing only need to be reserved and lay the needed hole of described audio frequency Radiation Module, without designing for acoustic construction.
The audio amplifier of 16. a kind of audio frequency Radiation Module mades according to claim 12, is characterized in that, described casing is inflatable structure.
The audio amplifier of 17. a kind of audio frequency Radiation Module mades according to claim 12, is characterized in that, described casing can be changed.
18. 1 kinds of rights to use require the audio amplifier of the acoustic construction made of the passive vibrating diaphragm of the employing unit described in 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, it is characterized in that, comprising:
Casing;
Loudspeaker unit, described loudspeaker unit is installed in described casing, and the sound basin of described loudspeaker unit is connected with described casing and is exposed in air ambient;
In the one side that described casing is connected with the sound basin of described loudspeaker unit, there is radiation port;
Described radiation port is positioned at the periphery on described loudspeaker unit sound basin surface;
Passive vibrating diaphragm unit, described passive vibrating diaphragm unit is positioned at the rear of described loudspeaker unit; Between described passive vibrating diaphragm unit and described casing, by elastic ring, be connected;
It is characterized in that, described loudspeaker unit side is provided with radiant tube, one end of described radiant tube and described radiation port be connected and with described loudspeaker unit towards consistent; Described passive vibrating diaphragm unit is subject to the driving of described loudspeaker unit and vibrates, and the sound wave of described passive vibrating diaphragm unit generation of vibration sends through radiant tube and radiation port, reaches approximate same sounding point with described loudspeaker unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055462.9U CN203775361U (en) | 2014-01-28 | 2014-01-28 | Acoustic structure with passive diaphragm unit, audio radiation module and sound box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420055462.9U CN203775361U (en) | 2014-01-28 | 2014-01-28 | Acoustic structure with passive diaphragm unit, audio radiation module and sound box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103841477A (en) * | 2014-01-28 | 2014-06-04 | 李世煌 | Acoustic structure with passive vibrating diaphragm unit |
| CN105491480A (en) * | 2015-10-29 | 2016-04-13 | 李世煌 | Audio radiant tube as well as module and loudspeaker box provided with audio radiant tube |
| CN106210966A (en) * | 2016-08-15 | 2016-12-07 | 吕迎春 | The extendible loudspeaker box structure in a kind of sound chamber |
| CN110602600A (en) * | 2019-09-04 | 2019-12-20 | 赛因博客网络技术(北京)有限公司 | Sound box and manufacturing method thereof |
-
2014
- 2014-01-28 CN CN201420055462.9U patent/CN203775361U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103841477A (en) * | 2014-01-28 | 2014-06-04 | 李世煌 | Acoustic structure with passive vibrating diaphragm unit |
| CN105491480A (en) * | 2015-10-29 | 2016-04-13 | 李世煌 | Audio radiant tube as well as module and loudspeaker box provided with audio radiant tube |
| CN106210966A (en) * | 2016-08-15 | 2016-12-07 | 吕迎春 | The extendible loudspeaker box structure in a kind of sound chamber |
| CN110602600A (en) * | 2019-09-04 | 2019-12-20 | 赛因博客网络技术(北京)有限公司 | Sound box and manufacturing method thereof |
| CN110602600B (en) * | 2019-09-04 | 2021-07-30 | 音王(北京)信息技术研究院有限公司 | Sound box and manufacturing method thereof |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 |