CN203675292U - Quadruple acoustic-fusion low sound box - Google Patents
Quadruple acoustic-fusion low sound box Download PDFInfo
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- CN203675292U CN203675292U CN201320682651.4U CN201320682651U CN203675292U CN 203675292 U CN203675292 U CN 203675292U CN 201320682651 U CN201320682651 U CN 201320682651U CN 203675292 U CN203675292 U CN 203675292U
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Abstract
The utility model relates to a sound box, specifically a quadruple acoustic-fusion low sound box which makes a sound through electroacoustic conversion. The sound box comprises two independent box bodies which are embedded together. Each sound box is equipped with a sound guide tube and a sound hole, which are communicated with the environment air and are used for conducting a sound air flow between the environment air and the box bodies. The second box body is located in the first box body. Four box plates of the second box bodies are equipped with four groups of loudspeakers which are electrically connected with an audio power amplifier. All groups of loudspeakers make a sound in an in-phase manner. The loudspeakers on the opposite box plates are symmetrically arranged. After the driving of the audio amplifier, four groups of opposite loudspeaker diaphragms generate vibration, thereby generating four groups of opposite sound-wave air flows which are fused to form an all-in-one unified sound wave through the two box bodies. A low-frequency sound wave is generated through the two sound guide tubes and the two sound holes, thereby enabling the low-frequency sound wave to be enhanced greatly, and enabling the size and weight of the sound box to be reduced.
Description
Technical field
The utility model relates to sound equipment audio amplifier, and the quadruple sound wave that specifically conversion of a kind of electroacoustic is sounded merges bass box.
Background technology
As everyone knows, in modern sound equipment frequency spectrum, bass is most important part.Make sound equipment reproduced sound well, bass must be reset out well, otherwise be just difficult to the playback of realizing ideal.
At present, be all single casing and two casing woofers or subwoofer substantially, in order to reach good broadcasting bass effect, it has to adopt the loudspeaker unit of large-size (as 8 cun～15 cun); Large, the quality weight of the volume of woofer like this, cost is high simultaneously, and bass effect is bad.
In " speaker system design and fabrication is advanced " of publishing in February, 2013, multi-loudspeaker system audio amplifier (78-92 page), woofer system (93-110 page) are disclosed in People's Telecon Publishing House.National Defense Industry Press in June, 2006 publish " practical loudspeaker techniques handbook " in, closed low frequency audio amplifier (244-247 page) is disclosed, open type low frequency audio amplifier (248-255 page), transmission line low frequency audio amplifier (259-261 page) and band general formula low frequency audio amplifier (247 pages), wherein closed low frequency audio amplifier, open type low frequency audio amplifier and transmission line low frequency audio amplifier are single casing audio amplifier, before the diaphragm of loudspeaker of these audio amplifiers, be exposed in atmosphere, be conducive to send out middle pitch and high pitch, and bass is owing to there is no the enhancing of audio amplifier, concerning bass, slattern.But band general formula low frequency audio amplifier only has an outlet sound mouth, and just single channel bass strengthens, and bass effect is also undesirable.
Utility model content
The purpose of this utility model is to provide a kind of volume little, and bass is simple and honest, mellow and full, shock, and distortion is little, and the quadruple sound wave that bass effect is good merges bass box.This audio amplifier is made up of one large, little two casings, and each casing is provided with an outlet sound mouth separately, and all audio amplifiers have two outlet sound mouths; This audio amplifier is made up of four groups of woofers, these four groups of woofers are arranged on respectively on four boxboards of small box, symmetrical between two, and these four groups of loud speakers are all homophase sounding, four groups of relative sound waves that these four groups of loud speakers sent by two casings and phonocatheter thereof merge, and send lower, the simpler and more honest bass of distortion.
The purpose of this utility model is achieved through the following technical solutions:
Bass box of the present utility model by inside and outside nested two separately independently casing form, i.e. the first casing and the second casing, on each casing, be respectively equipped with outlet sound mouth, be all provided with in the inside of each casing by outlet sound mouth be separately connected with ambient air, at the phonocatheter of conducted acoustic waves air-flow between casing and ambient air separately; Described the second casing is positioned at the first casing, four groups of set of speakers that are electrically connected with audio-frequency power amplifier are installed on the upper boxboard of the second casing, lower boxboard, left boxboard and right boxboard, each set of speakers homophase sounding, set of speakers on boxboard is symmetrical arranged relatively, loudspeaker unit in every group is one or more, and the quantity of loudspeaker unit in every group is identical.
Wherein: described four groups of set of speakers are respectively the first set of speakers, the second set of speakers, the 3rd set of speakers and the 4th set of speakers, this first set of speakers, the second set of speakers, the 3rd set of speakers and the 4th set of speakers are arranged on respectively on the upper boxboard of described the second casing, lower boxboard, left boxboard and right boxboard; Described the first set of speakers and the second set of speakers are symmetrical installs, and the loudspeaker unit in the first set of speakers is that vibrating diaphragm is installed vibrating diaphragm or magnet is installed magnet type with loudspeaker unit corresponding in the second set of speakers; The 3rd set of speakers and the 4th set of speakers are symmetrical installs, and the loudspeaker unit in the loudspeaker unit in the 3rd set of speakers and the 4th set of speakers is that vibrating diaphragm is installed magnet type vibrating diaphragm or magnet; Loudspeaker unit in described the first set of speakers, the second set of speakers, the 3rd set of speakers and the 4th set of speakers is the loud speaker of same model, and quantity is identical; Described the first set of speakers, the second set of speakers, the 3rd set of speakers and the 4th set of speakers are all the setting of audio frequency sounding homophase, when four groups of loudspeaker unit vibrating diaphragm sounding simultaneously to the second casing direction vibration, or simultaneously to the first casing direction vibration; Loudspeaker unit in described the first set of speakers, the second set of speakers, the 3rd set of speakers and the 4th set of speakers is all positioned at outside the second casing, or loudspeaker unit in two groups of symmetrically arranged set of speakers is all arranged in, and the second casing is outer, the loudspeaker unit of another two groups of symmetrically arranged set of speakers is all positioned at the second casing;
On described the first casing and the second casing, be respectively equipped with the first outlet sound mouth and the second outlet sound mouth, in the first casing, be provided with the first phonocatheter being connected with described the first outlet sound mouth, in the second casing, be provided with the second phonocatheter being connected with described the second outlet sound mouth; The sectional area of described the first outlet sound mouth is more than or equal to the sectional area of the second outlet sound mouth, first and second outlet sound mouth be shaped as quadrangle or circle, the sectional area of the first phonocatheter is more than or equal to the sectional area of the second phonocatheter.The length of the first phonocatheter is greater than the length of the second phonocatheter; Described first and second phonocatheter center line is along its length parallel to each other in the projection of vertical plane, vertical or tilt, first and second phonocatheter is quadrangle or circle along the cross sectional shape of short transverse, wherein the first phonocatheter is corresponding with the shape of described the first outlet sound mouth along the cross sectional shape of short transverse, and the second phonocatheter is corresponding with the shape of described the second outlet sound mouth along the cross sectional shape of short transverse; Described the second outlet sound mouth is positioned on the front boxboard or rearing-box plate of the first casing, and described the first outlet sound mouth is positioned on arbitrary boxboard of the first casing except lower boxboard and upper boxboard; The volume of described the first casing is greater than the volume of the second casing, and described the second casing length is less than or equal to the length of the first casing, the front boxboard of the second casing and rearing-box plate have at least one coplanar with front boxboard or the rearing-box plate of the first casing; The width of described the second casing is less than the width of the first casing.
Advantage of the present utility model and good effect are:
1. audio amplifier of the present utility model is large small box nested structure, and two casings have respectively an outlet sound mouth independently separately, and each outlet sound mouth connects corresponding phonocatheter, and overall audio amplifier has two outlet sound mouths and two phonocatheters.
2. loudspeaker unit of the present utility model is four groups, four groups of loudspeaker units symmetrical installation relatively, and be all homophase sounding, thereby four groups of relative sound wave air-flows produced, these four groups of air-flows are fused into one unified sound wave by two casings and corresponding phonocatheter, make low-frequency sound wave obtain very large enhancing.
3. the first tank-volumes of the present utility model is greater than the second tank-volumes, and the first tank-volumes is larger, and its resonance frequency is lower, and the volume of the second casing is less, and its resonance frequency is higher; So just, in whole low frequency frequency range, form bimodal curve structure, make low frequency well to downward-extension.
4. the utility model has used four groups of loud speakers, and every group of loud speaker is made up of 1～4 identical loudspeaker again, improved sounding sensitivity, reduced the distortion factor, improved audio amplifier power.
5. outlet sound mouth of the present utility model has two, and is all connecting separately corresponding phonocatheter, and the first phonocatheter length is greater than the second phonocatheter length.In the time that low-frequency sound wave passes through two phonocatheters, bass is enhanced.
6. the utility model takes full advantage of the bass sound wave on two sides, diaphragm of loudspeaker front and back, has realized the object that volume is little, lightweight, bass effect is good.
Accompanying drawing explanation
Fig. 1 is the structural front view of the utility model embodiment mono-;
Fig. 2 is A-A cutaway view of Fig. 1;
Fig. 3 is the structural front view of this practical utility model example two;
Fig. 4 is B-B cutaway view of Fig. 3;
Fig. 5 is the structural front view of the utility model embodiment tri-;
Fig. 6 is C-C cutaway view of Fig. 5;
Fig. 7 is that every group of the utility model has the loud speaker of a loud speaker and the connection diagram of a kind of connected mode of audio-frequency power amplifier;
Fig. 8 is that every group of the utility model has the loud speaker of a loud speaker and the connection diagram of the another kind of connected mode of audio-frequency power amplifier;
Fig. 9 is that every group of the utility model has the loud speaker of a loud speaker and the connection diagram of another connected mode of audio-frequency power amplifier;
Figure 10 is that every group of the utility model has the loud speaker of a loud speaker and the connection diagram of another connected mode of audio-frequency power amplifier;
Figure 11 is that every group of the utility model has the loud speaker of two loud speakers and the connection diagram of a kind of connected mode of audio-frequency power amplifier;
Figure 12 is that every group of the utility model has the loud speaker of two loud speakers and the connection diagram of the another kind of connected mode of audio-frequency power amplifier;
Figure 13 is that every group of the utility model has the loud speaker of two loud speakers and the connection diagram of another connected mode of audio-frequency power amplifier;
Wherein: 1 is the first casing, 2 is the second casing, and 3 is the first phonocatheter, 4 is the second phonocatheter, and 5 is the first outlet sound mouth, and 6 is the second outlet sound mouth, 7 is the first set of speakers, and 8 is upper boxboard, and 9 is the second set of speakers, 10 is lower boxboard, and 11 is audio-frequency power amplifier, and 12 is front boxboard, 13 is left boxboard, and 14 is right boxboard, and 15 is rearing-box plate, 16 is the 3rd set of speakers, and 17 is the 4th set of speakers.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment mono-
As shown in Figure 1 and Figure 2, quadruple sound wave of the present utility model merges bass box can use wood materials (as medium-density plate or high-density plate) to make, and also can be shaped and make with plastic pressure injection, and the present embodiment adopts wood materials to make; Audio amplifier comprises inside and outside nested two casings independently separately, i.e. the first casing 1 and the second casing 2, wherein the first casing 1 is provided with the first outlet sound mouth 5, the first phonocatheter 3 is installed in the inside of the first casing 1, one end of this first phonocatheter 3 is connected with this first outlet sound mouth 5, and the other end is free end, be arranged in the first casing 1; The second casing 2 is positioned at the first casing 1, form box structure in the case of the little case of large housing-case, the second casing 2 is provided with the second outlet sound mouth 6, the second phonocatheter 4 is installed in the inside of the second casing 2, one end of this second phonocatheter 4 is connected with this second outlet sound mouth 6, and the other end is free end, be arranged in the second casing 2; The first phonocatheter 3 is connected with ambient air by the first outlet sound mouth 5, acoustic conductivity air-flow between ambient air and the first casing 1, and the second phonocatheter 4 is connected with ambient air by the second outlet sound mouth 6, acoustic conductivity air-flow between ambient air and the second casing 2.
The volume (or volume) of the first casing 1 is greater than the volume (or volume) of the second casing 2, the volume V2 of the second casing 2 in the present embodiment: volume V1=1:3～6 of the first casing 1.Front boxboard 12 and the rearing-box plate 15 of the front boxboard of described the second casing 2 and rearing-box plate and the first casing are coplanar, and first and second casing 1,2 is equal in length, and the width of the second casing 2 is less than the width of the first casing 1.The second outlet sound mouth 6 is positioned on the front boxboard or rearing-box plate of the second casing 2, and the present embodiment is arranged on the front boxboard of the second casing 2.Described the first outlet sound mouth 5 is positioned on the either side boxboard except lower boxboard and the upper boxboard of the first casing 1, and first outlet sound mouth 5 of the present embodiment is positioned on front boxboard 12.The sectional area of the first outlet sound mouth 5 is more than or equal to the sectional area sectional area of first and second outlet sound mouth of the present embodiment (equate) of the second outlet sound mouth 6, first and second outlet sound mouth 5,6 be shaped as quadrangle or circle.First, two phonocatheters 3, 4 center lines are along its length parallel to each other, first, two phonocatheters 3, 4 sectional areas along its length can be that unequal section is long-pending, also can be that uiform section is long-pending, the first phonocatheter 3 sectional area is along its length more than or equal to the second phonocatheter 4 sectional area along its length, first, two phonocatheters 3, 4 cross sectional shapes along short transverse are quadrangle or circle, wherein the first phonocatheter 3 is corresponding with the shape of described the first outlet sound mouth 5 along the cross sectional shape of short transverse, the second phonocatheter 4 is corresponding with the shape of described the second outlet sound mouth 6 along the cross sectional shape of short transverse.
The first set of speakers 7 is installed on the upper boxboard 8 of the second casing 2, the second set of speakers 9 is installed on the lower boxboard 10 relative with upper boxboard 8; The 3rd set of speakers 16 is installed on the left boxboard 13 of the second casing, the 4th set of speakers 17 is installed on the right boxboard 14 relative with left boxboard 13.This first set of speakers 7, the second set of speakers 9, the 3rd set of speakers 16 and the 4th set of speakers 17 are electrically connected with audio-frequency power amplifier 11 respectively; These four set of speakers include 1～4 four loudspeaker unit composition, in these four set of speakers, are respectively made up of the woofer unit of three～eight cun of same model, and what the present embodiment was used is 5 cun of woofers of four same model; Four loudspeaker units between two symmetrical, vibrating diaphragm to vibrating diaphragm setting, and four loudspeaker units to lay respectively at the second casing 2 outer and in the first casing 1.These four set of speakers are all homophase sounding, four loudspeaker unit vibrating diaphragms are simultaneously to the second casing 2 direction vibrations, these four loudspeaker units can connection in series-parallel connect (as shown in Figure 7), the first set of speakers 7 is connected with the second set of speakers 9, the 3rd set of speakers 16 is connected with the 4th set of speakers 17, and the each set of speakers after series connection is parallel with one another to be again electrically connected with audio-frequency power amplifier 11; Also can be connected in series (as shown in Figure 8), first, second, third and fourth set of speakers 7,9,16,17 is connected successively, then is electrically connected with audio-frequency power amplifier 11; Can also be connected in parallel (as shown in Figure 9), after first, second, third and fourth set of speakers 7,9,16,17 parallel connections, be electrically connected with audio-frequency power amplifier 11 again.
The installation of these four set of speakers also can be installed magnet by magnet, at this moment, reach the object of homophase sounding, and it connects installs identical with the above-mentioned vibrating diaphragm of the present embodiment to vibrating diaphragm.
The tank material of the present embodiment can change plastics into, with the method manufacture of plastics (as ABS resin) injection-compression molding, specifically press the structure fabrication mould described in the present embodiment, mould is made the rear injection molding machine of plastic machine-shaping of using, then first, second, third and fourth set of speakers 7,9,16,17 is arranged on plastic box, finally with screw, plastic box is tightened together.
Embodiment bis-
As shown in Figure 3, Figure 4, the difference of the present embodiment and embodiment mono-is: in first, second, third and fourth set of speakers 7,9,16,17, each set of speakers is made up of two loudspeaker units.At this moment, the connected mode of eight loudspeaker units can be as shown in figure 11, two loudspeaker unit series connection in each set of speakers, and the each set of speakers after series connection is parallel with one another to be again electrically connected with audio-frequency power amplifier 11; Also can be as shown in figure 12, two loudspeaker unit parallel connections in each set of speakers, the each set of speakers after parallel connection is parallel with one another to be again electrically connected with audio-frequency power amplifier 11; Or as shown in figure 13, two loudspeaker unit series connection in each set of speakers, the each set of speakers after series connection is mutually connected and is electrically connected with audio-frequency power amplifier 11 again.In a word, as long as these connections reach sounding homophase.
Embodiment tri-
As shown in Figure 5, Figure 6, this example is with the difference of embodiment mono-: first and second set of speakers 7,9 symmetries are arranged on the upper boxboard 8 and lower boxboard 10 that the second casing 2 is relative, first and second set of speakers 7,9 is that vibrating diaphragm is to vibrating diaphragm setting, be that first and second set of speakers 7,9 is positioned at outside the second casing 2, and the 3rd, four set of speakers 16,17 symmetries are arranged on the left boxboard 13 and right boxboard 14 of the second casing 2, for magnet is to magnet setting, third and fourth set of speakers is within the second casing 2.At this moment to reach the object of homophase sounding, its connection can be as shown in figure 10, namely first and second set of speakers 7,9 series connection, third and fourth set of speakers 16,17 series connection, each set of speakers after series connection is parallel with one another to be again electrically connected with audio-frequency power amplifier 11, but first and second set of speakers 7,9 will with third and fourth set of speakers 16,17 anti-phase connection each other.Equally, the setting of four set of speakers of the present embodiment can be also first and second set of speakers 7,9 for magnet is to magnet setting, third and fourth set of speakers 16,17 is that vibrating diaphragm is to vibrating diaphragm setting; At this moment, first and second set of speakers 7,9 also will with third and fourth set of speakers 16,17 anti-phase connection each other, could realize like this homophase sounding.
Operation principle of the present utility model is:
The vibrating diaphragm that the output audio power of audio-frequency power amplifier 11 puts on the loudspeaker unit in 7,9,16,17, four groups of set of speakers of first, second, third and fourth set of speakers simultaneously produces and seesaws simultaneously, and vibrate air, sounds.
In the time that audio-frequency power amplifier 11 is output as "+", the vibrating diaphragm of the loudspeaker unit in the first set of speakers 7 vibrates forward (to the second casing 2 direction vibrations), also vibration forward of the vibrating diaphragm of the loudspeaker unit in the second set of speakers 9 simultaneously (equally also to the second casing 2 direction vibrations), the vibrating diaphragm of the loudspeaker unit of third and fourth set of speakers 16,17 is also to the second casing 2 direction vibrations, four groups of relative sound waves are so just produced, these four groups of sound waves complete sound wave and merge in the second casing 2 and in the first casing 1, then are transmitted to ambient air through the second phonocatheter 4; Meanwhile, ambient air air-flow is in the first phonocatheter 5 is transferred to the first casing 1.
In the time that audio-frequency power amplifier 11 is output as "-", the vibrating diaphragm of the loudspeaker unit in the first set of speakers 7 is to after vibration (to the first casing 1 direction vibration), the vibrating diaphragm of the loudspeaker unit in the second loud speaker 9 is also to after vibration (equally also to the first casing 1 direction vibration) simultaneously, and the vibrating diaphragm of the loudspeaker unit of third and fourth set of speakers 16,17 is also all to the first casing 1 direction vibration simultaneously.So just produced four groups of relative sound waves again, these four groups of sound waves merge in the first casing 1 He in the second casing 2, form unified sound wave air-flow and are transmitted to ambient air through the first phonocatheter 3; Meanwhile, ambient air air-flow is in the second phonocatheter 4 is transferred to the second casing 2.Like this by the fusion of the relative information stream of first and second casing 1,2, and through the transmission of first and second phonocatheter 3,4, form more powerful bass sound wave, be that woofer of the present utility model has the little case bass fusion of large case enhancing, make bass distortion less, simpler and more honest, plentiful, dive is darker, and bass is more soft and graceful and not stiff.Meanwhile, audio amplifier volume is little, lightweight, and (3～6.5 ") and little audio amplifier reach the bass effect of large scale woofer (8 "～15 ") and large audio amplifier successfully to use undersized woofer.
The utility model drives after loud speaker at audio-frequency power amplifier 11, four groups of diaphragms of loudspeaker produce vibration simultaneously, and homophase sounding, form four groups of relative sound wave air-flows, completing sound wave by first and second casing 1,2 again merges, send low-frequency sound wave through phonocatheter separately from two outlet sound mouths, thereby bass sound wave is significantly strengthened, reach quadruple bass multiplication effect.Four set of speakers that the utility model adopts, quadruple sound wave merges, the low-frequency sound wave that make audio amplifier sensitivity be improved, reset distortion reduction, diaphragm of loudspeaker front and back is sent all plays one's part to the full, reach make that woofer is highly sensitive, distortion is little, volume is little, lightweight, the object that bass effect is simple and honest.
Claims (10)
1. a quadruple sound wave merges bass box, it is characterized in that: this audio amplifier by inside and outside nested two separately independently casing form, i.e. the first casing (1) and the second casing (2), on each casing, be respectively equipped with outlet sound mouth, be all provided with in the inside of each casing by outlet sound mouth be separately connected with ambient air, at the phonocatheter of conducted acoustic waves air-flow between casing and ambient air separately; Described the second casing (2) is positioned at the first casing (1), four groups of set of speakers that are electrically connected with audio-frequency power amplifier (11) are installed on the upper boxboard (8) of the second casing (2), lower boxboard (10), left boxboard (13) and right boxboard (14), each set of speakers homophase sounding, set of speakers on boxboard is symmetrical arranged relatively, loudspeaker unit in every group is one or more, and the quantity of loudspeaker unit in every group is identical.
2. merge bass box by quadruple sound wave claimed in claim 1, it is characterized in that: described four groups of set of speakers are respectively the first set of speakers (7), the second set of speakers (9), the 3rd set of speakers (16) and the 4th set of speakers (17), this first set of speakers (7), the second set of speakers (9), the 3rd set of speakers (16) and the 4th set of speakers (17) are arranged on respectively on the upper boxboard (8) of described the second casing (2), lower boxboard (10), left boxboard (13) and right boxboard (14).
3. merge bass box by quadruple sound wave claimed in claim 2, it is characterized in that: described the first set of speakers (7) is installed with the second set of speakers (9) is symmetrical, the loudspeaker unit in the first set of speakers (7) is that vibrating diaphragm is installed vibrating diaphragm or magnet is installed magnet type with loudspeaker unit corresponding in the second set of speakers (9); The 3rd set of speakers (16) is installed with the 4th set of speakers (17) is symmetrical, and the loudspeaker unit in the loudspeaker unit in the 3rd set of speakers (16) and the 4th set of speakers (17) is that vibrating diaphragm is installed magnet type vibrating diaphragm or magnet.
4. merge bass box by the quadruple sound wave described in claim 2 or 3, it is characterized in that: the loudspeaker unit in described the first set of speakers (7), the second set of speakers (9), the 3rd set of speakers (16) and the 4th set of speakers (17) is the loud speaker of same model, and quantity is identical; Described the first set of speakers (7), the second set of speakers (9), the 3rd set of speakers (16) and the 4th set of speakers (17) are all the setting of audio frequency sounding homophase, when four groups of loudspeaker unit vibrating diaphragm sounding simultaneously to the vibration of the second casing (2) direction, or vibrate to the first casing (1) direction simultaneously.
5. merge bass box by the quadruple sound wave described in claim 2 or 3, it is characterized in that: the loudspeaker unit in described the first set of speakers (7), the second set of speakers (9), the 3rd set of speakers (16) and the 4th set of speakers (17) is all positioned at outside the second casing (2), or loudspeaker unit in two groups of symmetrically arranged set of speakers is all arranged in, and the second casing (2) is outer, the loudspeaker unit of another two groups of symmetrically arranged set of speakers is all positioned at the second casing (2).
6. merge bass box by quadruple sound wave claimed in claim 1, it is characterized in that: on described the first casing (1) and the second casing (2), be respectively equipped with the first outlet sound mouth (5) and the second outlet sound mouth (6), in the first casing (1), be provided with the first phonocatheter (3) being connected with described the first outlet sound mouth (5), in the second casing (2), be provided with the second phonocatheter (4) being connected with described the second outlet sound mouth (6).
7. merge bass box by quadruple sound wave claimed in claim 6, it is characterized in that: the sectional area of described the first outlet sound mouth (5) is more than or equal to the sectional area of the second outlet sound mouth (6), first and second outlet sound mouth (5,6) be shaped as quadrangle or circle, the sectional area of the first phonocatheter (3) is more than or equal to the sectional area of the second phonocatheter (4).The length of the first phonocatheter (3) is greater than the length of the second phonocatheter (4).
8. merge bass box by the quadruple sound wave described in claim 6 or 7, it is characterized in that: described first and second phonocatheter (3,4) center line is along its length parallel to each other in the projection of vertical plane, vertical or tilt, first and second phonocatheter (3,4) is quadrangle or circle along the cross sectional shape of short transverse, wherein the first phonocatheter (3) is corresponding with the shape of described the first outlet sound mouth (5) along the cross sectional shape of short transverse, and the second phonocatheter (4) is corresponding with the shape of described the second outlet sound mouth (6) along the cross sectional shape of short transverse.
9. merge bass box by the quadruple sound wave described in claim 6 or 7, it is characterized in that: described the second outlet sound mouth (6) is positioned on the front boxboard (12) or rearing-box plate (15) of the first casing (1), and described the first outlet sound mouth (5) is positioned on arbitrary boxboard of the first casing (1) except lower boxboard and upper boxboard.
10. merge bass box by the quadruple sound wave described in claim 6 or 7, it is characterized in that: the volume of described the first casing (1) is greater than the volume of the second casing (2), described the second casing (2) length is less than or equal to the length of the first casing (1), the front boxboard of the second casing (2) and rearing-box plate have at least one coplanar with front boxboard (12) or the rearing-box plate (15) of the first casing (1); The width of described the second casing (2) is less than the width of the first casing (1).
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| CN201320682651.4U CN203675292U (en) | 2013-10-31 | 2013-10-31 | Quadruple acoustic-fusion low sound box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602158A (en) * | 2013-10-31 | 2015-05-06 | 深圳纽斯声学***有限公司 | Quadruple-wave fused low-pitch speaker box |
| CN105812988A (en) * | 2014-12-30 | 2016-07-27 | 深圳纽斯声学***有限公司 | Dual-box subwoofer and television set internally provided with same |
| CN105959860A (en) * | 2016-05-26 | 2016-09-21 | 深圳市叶氏声学技术有限公司 | Vertical four-active one-passive loudspeaker system |
| WO2020168729A1 (en) * | 2019-02-19 | 2020-08-27 | 苏州上声电子股份有限公司 | Loudspeaker system |
-
2013
- 2013-10-31 CN CN201320682651.4U patent/CN203675292U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602158A (en) * | 2013-10-31 | 2015-05-06 | 深圳纽斯声学***有限公司 | Quadruple-wave fused low-pitch speaker box |
| CN104602158B (en) * | 2013-10-31 | 2018-01-16 | 深圳纽斯声学***有限公司 | A kind of quadruple sound wave merges bass box |
| CN105812988A (en) * | 2014-12-30 | 2016-07-27 | 深圳纽斯声学***有限公司 | Dual-box subwoofer and television set internally provided with same |
| CN105959860A (en) * | 2016-05-26 | 2016-09-21 | 深圳市叶氏声学技术有限公司 | Vertical four-active one-passive loudspeaker system |
| WO2020168729A1 (en) * | 2019-02-19 | 2020-08-27 | 苏州上声电子股份有限公司 | Loudspeaker system |
| US11849277B2 (en) | 2019-02-19 | 2023-12-19 | Suzhou Sonavox Electronics Co., Ltd. | Loudspeaker system |
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