CN204046776U - Single-ended pair of membrane resonance audio amplifier - Google Patents
Single-ended pair of membrane resonance audio amplifier Download PDFInfo
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- CN204046776U CN204046776U CN201420406000.7U CN201420406000U CN204046776U CN 204046776 U CN204046776 U CN 204046776U CN 201420406000 U CN201420406000 U CN 201420406000U CN 204046776 U CN204046776 U CN 204046776U
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Abstract
The utility model relates to the audio amplifier of sound equipment, specifically a kind of single-ended pair of membrane resonance audio amplifier, comprise casing and lay respectively at set of speakers, the first bass radiator, the second bass radiator in described casing, wherein the first bass radiator is arranged on the front tank wall of described casing, described set of speakers is arranged on described front tank wall or on tank wall adjacent with described front tank wall except lower tank wall, described second bass radiator is arranged on the rear box wall of the casing relative with described front tank wall, and described second bass radiator is corresponding with described first bass radiator.The utility model medium-high frequency sound wave is directly radiated space, and the passive bass radiator symmetric vibration of all-bottom sound air stream drives two, owing to increasing bass vibrating diaphragm area exponentially, and produce low-frequency resonance, resonance makes low-frequency sound wave amplitude rise to, and little loud speaker and little audio amplifier just can obtain gratifying bass effect, like this, whole audio amplifier volume reduces greatly, and setting height(from bottom) greatly reduces.
Description
Technical field
The utility model relates to the audio amplifier of sound equipment, specifically a kind of single-ended pair of membrane resonance audio amplifier.
Background technology
In recent years, along with technological progress, people require more and more higher to the broadcasting tonequality of sound equipment, and require that volume and weight is more and more less.In Fujian science tech publishing house in " loud speaker and the audio amplifier design manual " published in July, 2008, disclose closed audio amplifier (60 ~ 67 pages), open type audio amplifier (67 ~ 77 pages), passive radiation audio amplifier (77 ~ 78 pages); The audio amplifier of these public technologies, or be that volume is too large, setting height(from bottom) is too large, or bass reproduction poor effect.The desirable portable sound box of result of broadcast, desktop speaker, concealed audio amplifier (ceiling speaker, reservoir wall loud speaker), automobile audio and sound equipment peculiar to vessel can not be done with little loud speaker and little audio amplifier.
Utility model content
The purpose of this utility model is to provide a kind of single-ended pair of membrane resonance audio amplifier.This audio amplifier is a single cavity audio amplifier, has a set of speakers and two symmetrical bass radiators in casing.The physical design of this audio amplifier, just can reach with very little audio amplifier and very little loudspeaker unit, send the bass sound wave of shock, audio amplifier bass effect is significantly promoted.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises casing and lays respectively at set of speakers, the first bass radiator, the second bass radiator in described casing, wherein the first bass radiator is arranged on the front tank wall of described casing, described set of speakers is arranged on described front tank wall or on tank wall adjacent with described front tank wall except lower tank wall, described second bass radiator is arranged on the rear box wall of the casing relative with described front tank wall, and described second bass radiator is corresponding with described first bass radiator.
Wherein: described set of speakers is arranged on front tank wall, coplanar with the first bass radiator, the vibrating diaphragm of described set of speakers is arranged outward towards casing, and described front tank wall parallels with the rear box wall of the described second bass radiator of installation;
Described set of speakers is arranged on front tank wall, and this front tank wall is installed described first bass radiators and caved in box house, and internal box wall before being formed is front upper tank wall between this front internal box wall and described front tank wall; The vibrating diaphragm of described set of speakers is arranged outward towards casing, and the front internal box wall at described first bass radiator place is parallel or favour the front tank wall at described set of speakers place; Described rear box wall is parallel to front internal box wall;
The rear box wall part of installing described second bass radiator caves in box house, and internal box wall after being formed is rear upper tank wall between this rear internal box wall and described rear box wall; The vibrating diaphragm of described set of speakers is arranged outward towards casing, and the front internal box wall at described first bass radiator place parallels with the rear internal box wall at the second bass radiator place, and front internal box wall is corresponding with rear internal box wall, geomery is all identical; Described front internal box wall is parallel or favour the front tank wall at described set of speakers place, and described rear internal box wall is parallel or favour described rear box wall;
Described set of speakers is arranged on tank wall adjacent with front tank wall except lower tank wall, and described first bass radiator and the second bass radiator are positioned at the one end away from described set of speakers, lay respectively at the left and right sides of set of speakers; Be positioned at the part of the front tank wall of described set of speakers side or rear box wall being installed the first bass radiator or the second bass radiator to cave in box house, internal box wall or rear internal box wall before being formed, being front upper tank wall between described front internal box wall and front tank wall, is rear upper tank wall between described rear internal box wall and rear box wall; The vibrating diaphragm of described set of speakers is arranged outward towards casing, and the front internal box wall at described first bass radiator place is parallel or favour described front tank wall, and the rear box wall at described second bass radiator place is parallel to front internal box wall; Or the rear internal box wall at described second bass radiator place is parallel or favour described rear box wall, the front tank wall at described first bass radiator place is parallel to rear internal box wall; The tank wall of described set of speakers is installed perpendicular to installation first bass radiator or the tank wall installing the second bass radiator;
Described set of speakers is arranged on tank wall adjacent with front tank wall except lower tank wall, and described first bass radiator and the second bass radiator are positioned at the one end away from described set of speakers, lay respectively at the left and right sides of set of speakers; Be positioned at the part of the front tank wall of described set of speakers both sides and rear box wall being installed the first bass radiator and the second bass radiator all to cave in box house, form front internal box wall, rear internal box wall, being front upper tank wall between described front internal box wall and front tank wall, is rear upper tank wall between described rear internal box wall and rear box wall; The vibrating diaphragm of described set of speakers is arranged outward towards casing, the front internal box wall at described first bass radiator place is parallel or favour described front tank wall, the rear internal box wall at described second bass radiator place is parallel or favour described rear box wall, described front internal box wall parallels with rear internal box wall, and perpendicular to installing the tank wall of described set of speakers;
Described set of speakers comprises one ~ tetra-identical loudspeaker unit, and each sound device unit is electroacoustic with being connected; Described first bass radiator and the second bass radiator are identical bass radiator, the vibrating diaphragm of first and second bass radiator parallels, and the spacing between first and second bass radiator vibrating diaphragm is less than the diameter of each loudspeaker unit of the described set of speakers of composition.
Advantage of the present utility model and good effect are:
1. the utility model have employed two film (front and back bass radiator) passive resonance, while the area expanding bass vibrating diaphragm exponentially, is moved, bass reproduction effect is greatly strengthened by the resonance of all-bottom sound air-flow.
2. the utility model makes whole audio amplifier volume reduce widely, and weight alleviates widely, and setting height(from bottom) reduces greatly, with small diameter loudspeaker and very little audio amplifier, just can obtain gratifying playback effect; Can easily for portable loudspeaker box, desktop speaker, concealed audio amplifier, automobile audio and sound equipment peculiar to vessel.
3. loudspeaker unit vibrating diaphragm of the present utility model is outwards installed, and makes the intermediate frequency high frequency sound wave of broadcasting directly be radiated airspace, the play quality of intermediate frequency high frequency is guaranteed.
4. audio amplifier physical acoustics design science of the present utility model, rational in infrastructure, is convenient to manufacture, and cost reduces.
5. the utility model can with two identical such audio amplifiers, and one connects L (left side) sound channel, and another connects R (right side) sound channel, thus realize 2.0 played in stereo of arbitrarily putting well.
Accompanying drawing explanation
Figure 1A is the structural front view of the utility model embodiment one;
Figure 1B is that cutaway view is looked on the right side of Figure 1A;
Fig. 2 A is the structural front view of the utility model embodiment two;
Fig. 2 B is that cutaway view is looked on the right side of Fig. 2 A;
Fig. 3 A is the structural front view of the utility model embodiment three;
Fig. 3 B is that cutaway view is looked on the right side of Fig. 3 A;
Fig. 4 A is the structural front view of the utility model embodiment four;
Fig. 4 B is the vertical view cutaway drawing of Fig. 4 A;
Fig. 5 A is the structural front view of the utility model embodiment five;
Fig. 5 B is the vertical view cutaway drawing of Fig. 5 A;
Wherein: 1 is casing, 2 is set of speakers, and 3 is the first bass radiator, and 4 is the second bass radiator, and 5 is front tank wall, and 6 is rear box wall, and 7 is front internal box wall, and 8 is front upper tank wall, and 9 is rear internal box wall, and 10 is rear upper tank wall, and 11 is right tank wall, and 12 is left tank wall.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Audio amplifier of the present utility model comprises casing 1 and lays respectively at set of speakers 2, first bass radiator 3, the second bass radiator 4 in casing 1, wherein the first bass radiator 3 is arranged on the front tank wall 5 of casing 1, set of speakers 2 is arranged on front tank wall 5 or on tank wall adjacent with front tank wall 5 except lower tank wall, second bass radiator 4 is arranged on the rear box wall 6 of the casing 1 relative with front tank wall 5, and the second bass radiator 4 is corresponding with the first bass radiator 3.
Embodiment one
As shown in Figure 1A, Figure 1B, the casing 1 of the present embodiment has front tank wall 5, rear box wall 6, left tank wall 12, right tank wall 11 and upper and lower tank wall, casing 1 can manufacture with die sinking injection moulding process, also can with other material as manufactures such as metal material (as aluminium, iron), timber or plastics.The casing 1 of the present embodiment adopts the manufacture of die sinking injection moulding process, by outward appearance by cabinet design well rear die sinking, then manufactures with injection molding machine; The outside dimension of the present embodiment casing 1 is: 105mm (length) × 58mm (wide) × 52mm (height).
The first bass radiator 3 of the present embodiment is installed on front tank wall 5 with loud speaker 2, and the vibrating diaphragm of set of speakers 2 is arranged towards casing 1 is outer; Second bass radiator 4 is arranged on rear box wall 6, and forward and backward tank wall 5,6 is parallel to each other, the first bass radiator 3 and the second bass radiator 4 contour and symmetrically to install.First bass radiator 3 and the second bass radiator 4 are identical bass radiator, and namely first and second bass radiator 3,4 manufactured materials, size and dimension etc. are all identical; So-called bass radiator is again empty loudspeaker, and it does not have magnet magnetic circuit and voice coil loudspeaker voice coil, only has vibrating diaphragm, is called for short film.The vibrating diaphragm area of arbitrary bass radiator is equal to or greater than the vibrating diaphragm area sum of all loudspeaker units in set of speakers; The vibrating diaphragm area of each bass radiator of the present embodiment is 3200mm
2.First bass radiator 3 and the second bass radiator 4 can be oval, also can be circular or square; Form can be dull and stereotyped, also can be tapered; The present embodiment be elliptical plate formula bass radiator, the sealing between bass radiator and casing 1 will be noted during installation.
First bass radiator 3 and the second bass radiator 4 relative symmetry are installed, the vibrating diaphragm plane of the first bass radiator 3 and the vibrating diaphragm plane parallel of the second bass radiator 4, and the distance between the vibrating diaphragm of the vibrating diaphragm of the first bass radiator 3 and the second bass radiator 4 is less than the diameter of each loudspeaker unit formed in set of speakers, between the vibrating diaphragm of the first bass radiator 3 and the vibrating diaphragm of the second bass radiator 4, phase mutual edge distance is 25mm ~ 50mm, and the present embodiment is 30mm.
Loudspeaker unit in set of speakers 2 can one ~ tetra-, when being made up of multiple loudspeaker unit, laterally can installing left and right arranged side by side, also longitudinally vertically can arrange and install up and down, during installation must all loudspeaker unit vibrating diaphragms outside towards casing 1, and note sealing.Each loudspeaker unit is of a size of diameter 36mm ~ 165mm.The set of speakers 2 of the present embodiment is a loudspeaker unit, is of a size of diameter 53mm.When multiple loudspeaker unit composition set of speakers 2, all loudspeaker units are electroacoustic with being connected, when doing audio stereo and playing, with two such casing audio amplifiers, one connects L (left side) sound channel, and one connects R (right side) sound channel.These two audio amplifiers also want electroacoustic with being connected, namely just (+) pole of an audio amplifier connects L (left side) sound channel just (+) pole, negative (-) pole connects negative (-) pole, just (+) pole of another audio amplifier connects R (right side) sound channel just (+) pole, and negative (-) pole connects negative (-) pole.
Embodiment two
As shown in Fig. 2 A, Fig. 2 B, the difference of the present embodiment and embodiment one is:
Front tank wall 5 installs the first bass radiator 3 part to casing 1 inner recess, and internal box wall 7 before being formed is front upper tank wall 8 between this front internal box wall 7 and front tank wall 5.The vibrating diaphragm of set of speakers 2 is arranged towards casing 1 is outer, the front internal box wall 7 at the first bass radiator 3 place is parallel or favour the front tank wall 5 (the front internal box wall 7 of the present embodiment is parallel with front tank wall 5) at set of speakers 2 place, and rear box wall 6 is parallel to front internal box wall 7.The front upper tank wall 8 of the present embodiment parallels with right tank wall 11, left tank wall 12, and perpendicular to front tank wall 5, rear box wall 6 and front internal box wall 7.
Embodiment three
As shown in Fig. 3 A, Fig. 3 B, the difference of the present embodiment and embodiment two is:
Install rear box wall 6 part of the second bass radiator 4 to casing 1 inner recess, internal box wall 9 after being formed is rear upper tank wall 10 between this rear internal box wall 9 and rear box wall 6.The vibrating diaphragm of set of speakers 2 is arranged towards casing 1 is outer, and the front internal box wall 7 at the first bass radiator 3 place parallels with the rear internal box wall 9 at the second bass radiator 4 place, and front internal box wall 7 is corresponding with rear internal box wall 9, geomery is all identical; Front internal box wall 7 is parallel or favour the front tank wall 5 (the front internal box wall 7 of the present embodiment is parallel with front tank wall 5) at set of speakers 2 place, and rear internal box wall 9 is parallel or favour rear box wall 6 (the rear internal box wall 9 of the present embodiment is parallel with rear box wall 6).The front tank wall 5 of the present embodiment is parallel with rear box wall 6, and front upper tank wall 8 is coplanar with rear upper tank wall 10, and parallels with right tank wall 11, left tank wall 12, and perpendicular to front tank wall 5, rear box wall 6, front internal box wall 7 and rear internal box wall 9.
Embodiment four
The casing 1 of the present embodiment has front tank wall 5, rear box wall 6, left tank wall 12, right tank wall 11 and upper and lower tank wall, casing 1 can manufacture with die sinking injection moulding process, also can with other material as manufactures such as metal material (as aluminium, iron), timber or plastics.The casing 1 of the present embodiment adopts the manufacture of die sinking injection moulding process, by outward appearance by cabinet design well rear die sinking, then manufactures with injection molding machine; The outside dimension of the present embodiment casing 1 is: 105mm (length) × 58mm (wide) × 52mm (height).
First bass radiator 3 is arranged on front tank wall 5, second bass radiator 4 is arranged on rear box wall 6, set of speakers 2 is arranged on tank wall adjacent with front tank wall 5 except lower tank wall, and the set of speakers 2 of the present embodiment is arranged on the right tank wall 11 adjacent with front tank wall 5.First bass radiator 3 and the second bass radiator 4 are positioned at the one end (namely the position of the first bass radiator 3 on front tank wall 5 is near the left tank wall 12 in the left position of tank wall 12, second bass radiator 4 on rear box wall 6) away from set of speakers 2; Or the first bass radiator 3 and the second bass radiator 4 lay respectively at the mid portion of front tank wall 5, rear box wall 6.The first bass radiator 3 of the present embodiment and the second bass radiator 4 lay respectively at the one end away from set of speakers 2 on front tank wall 5, rear box wall 6.First bass radiator 3 and the second bass radiator 4 lay respectively at the left and right sides of set of speakers 2.
Be positioned on the front tank wall 5 of set of speakers 2 side or rear box wall 6 and the part of the first bass radiator 3 or the second bass radiator 4 be installed to casing 1 inner recess, internal box wall 7 or rear internal box wall 9 before being formed; Being front upper tank wall 8 between front internal box wall 7 and front tank wall 5, is rear upper tank wall 10 between rear internal box wall 9 and rear box wall 6.The front internal box wall 7 at the first bass radiator 3 place rear box wall 6 that is parallel or that favour front tank wall 5, second bass radiator 4 place is parallel to front internal box wall 7; Or the rear internal box wall 9 at the second bass radiator 4 place is parallel or favour rear box wall 6, the front tank wall 5 at the first bass radiator 3 place is parallel to rear internal box wall 9; The tank wall of set of speakers 2 is installed perpendicular to installation first bass radiator 3 or the tank wall installing the second bass radiator 4.
As shown in Fig. 4 A, Fig. 4 B, the present embodiment be front tank wall 5 is installed the first bass radiator 3 part to casing 1 inner recess, formed before internal box wall 7, be front upper tank wall 8 between front internal box wall 7 and front tank wall 5; Rear box wall 6 is installed the part of the second bass radiator 4 not to casing 1 inner recess.The vibrating diaphragm of set of speakers 2 is arranged towards casing 1 is outer, and the front internal box wall 7 at the first bass radiator 3 place is parallel or favour front tank wall 5 (the front internal box wall 7 of the present embodiment is parallel with front tank wall 5), and rear box wall 6 is parallel to front internal box wall 7.The front upper tank wall 8 of the present embodiment parallels with right tank wall 11, left tank wall 12, and perpendicular to front tank wall 5, rear box wall 6 and front internal box wall 7; The forward and backward tank wall 5,6 of the present embodiment is parallel to each other, and perpendicular to right tank wall 11, left tank wall 12.First bass radiator 3 and the second bass radiator 4 contour and symmetrically to install.First bass radiator 3 and the second bass radiator 4 are identical bass radiator, and namely first and second bass radiator 3,4 manufactured materials, size and dimension etc. are all identical; So-called bass radiator is again empty loudspeaker, and it does not have magnet magnetic circuit and voice coil loudspeaker voice coil, only has vibrating diaphragm, is called for short film.The vibrating diaphragm area of arbitrary bass radiator is equal to or greater than the vibrating diaphragm area sum of all loudspeaker units in set of speakers; The vibrating diaphragm area of each bass radiator of the present embodiment is 3200mm
2.First bass radiator 3 and the second bass radiator 4 can be oval, also can be circular or square; Form can be dull and stereotyped, also can be tapered; The present embodiment be elliptical plate formula bass radiator, the sealing between bass radiator and casing 1 will be noted during installation.
First bass radiator 3 and the second bass radiator 4 relative symmetry are installed, the vibrating diaphragm plane of the first bass radiator 3 and the vibrating diaphragm plane parallel of the second bass radiator 4, and the distance between the vibrating diaphragm of the vibrating diaphragm of the first bass radiator 3 and the second bass radiator 4 is less than the diameter of each loudspeaker unit formed in set of speakers, between the vibrating diaphragm of the first bass radiator 3 and the vibrating diaphragm of the second bass radiator 4, phase mutual edge distance is 25mm ~ 50mm, and the present embodiment is 30mm.
Loudspeaker unit in set of speakers 2 can one ~ tetra-, when being made up of multiple loudspeaker unit, laterally can installing left and right arranged side by side, also longitudinally vertically can arrange and install up and down, during installation must all loudspeaker unit vibrating diaphragms outside towards casing 1, and note sealing.Each loudspeaker unit is of a size of diameter 36mm ~ 165mm.The set of speakers 2 of the present embodiment is a loudspeaker unit, is of a size of diameter 53mm.When multiple loudspeaker unit composition set of speakers 2, all loudspeaker units are electroacoustic with being connected, when doing audio stereo and playing, with two such casing audio amplifiers, one connects L (left side) sound channel, and one connects R (right side) sound channel.These two audio amplifiers also want electroacoustic with being connected, namely just (+) pole of an audio amplifier connects L (left side) sound channel just (+) pole, negative (-) pole connects negative (-) pole, just (+) pole of another audio amplifier connects R (right side) sound channel just (+) pole, and negative (-) pole connects negative (-) pole.
Embodiment five
The difference of the present embodiment and embodiment four is:
As shown in Fig. 5 A, Fig. 5 B, be positioned on the front tank wall 5 of set of speakers 2 both sides and rear box wall 6 and the part of the first bass radiator 3 and the second bass radiator 4 be installed all to casing 1 inner recess, form front internal box wall 7, rear internal box wall 9; Being front upper tank wall 8 between front internal box wall 7 and front tank wall 5, is rear upper tank wall 10 between rear internal box wall 9 and rear box wall 6.The vibrating diaphragm of set of speakers 2 is arranged towards casing 1 is outer, the front internal box wall 7 at the first bass radiator 3 place is parallel or favour front tank wall 5 (the front internal box wall 7 of the present embodiment is parallel with front tank wall 5), the rear internal box wall 9 at the second bass radiator 4 place is parallel or favour rear box wall 6 (the rear internal box wall 9 of the present embodiment is parallel with rear box wall 6), and front internal box wall 7 parallels with rear internal box wall 9, front tank wall 5 is parallel with rear box wall 6; The front upper tank wall 8 of the present embodiment is coplanar with rear upper tank wall 10, and parallels with left tank wall 12, the right tank wall 11 of installing set of speakers 2, and vertically front tank wall 5, rear box wall 6, front internal box wall 7 and rear internal box wall 9.
Operation principle of the present utility model is:
When audio power signal puts on set of speakers 2, the loudspeaker unit diaphragm oscillations in set of speakers 2, realizes electroacoustic conversion and produces sound.When audio frequency low frequency, loudspeaker unit vibrating diaphragm amplitude is very large, audio amplifier is again airtight, all-bottom sound air-flow just drives the first bass radiator 3 and the second bass radiator 4 to vibrate, and these two bass radiator direction of vibration are contrary, amplitude is identical, i.e. their simultaneously outwards vibrations or simultaneously to internal vibration, the vibrating diaphragm area of the loudspeaker unit vibrating diaphragm area of bass vibrating diaphragm area=set of speakers 2 whole like this and+first and second bass radiator 3,4 and, bass vibrating diaphragm area total like this considerably increases, and bass effect is enhanced; Meanwhile, first and second bass radiator 3,4 interacts again, and produce symmetrical resonance, make again bass strengthen further, such double action just makes bass reproduction effect greatly be strengthened.Simultaneously, intermediate frequency high frequency sound wave, all towards airspace, directly can be radiated airspace again by the loudspeaker unit vibrating diaphragm of set of speakers 2, and little audio amplifier so just can be made to obtain the bass of plentiful shock, with clear thorough alt, thus the perfection achieving full acoustic frequency frequency range is reset.
Single-ended pair of membrane resonance audio amplifier of the present utility model have employed the single-ended pair of passive resonance of film of innovation, and it has a single cavity casing, has installed bass radiator and a set of speakers of two relative symmetry; Physical acoustics novel structure, structure is simple, easy to manufacture, with low cost, and the little audio amplifier case that little loud speaker is made can play out simple and honest, music clearly.The utility model can be advantageously applied to portable sound box, desktop speaker, concealed (loud speaker) audio amplifier (as ceiling Ceiling loudspeaker housing, wall baffle box etc.), automobile audio and sound equipment peculiar to vessel.
Claims (11)
1. single-ended pair of membrane resonance audio amplifier, it is characterized in that: comprise casing (1) and lay respectively at the set of speakers (2) in described casing (1), first bass radiator (3), second bass radiator (4), wherein the first bass radiator (3) is arranged on the front tank wall (5) of described casing (1), described set of speakers (2) is arranged on described front tank wall (5) or on tank wall adjacent with described front tank wall (5) except lower tank wall, described second bass radiator (4) is arranged on the rear box wall (6) of the casing (1) relative with described front tank wall (5), and described second bass radiator (4) is corresponding with described first bass radiator (3).
2. by single-ended pair of membrane resonance audio amplifier according to claim 1, it is characterized in that: it is upper, coplanar with the first bass radiator (3) that described set of speakers (2) is arranged on front tank wall (5), the vibrating diaphragm of described set of speakers (2) is arranged outward towards casing (1), and described front tank wall (5) parallels with the rear box wall (6) installing described second bass radiator (4).
3. by single-ended pair of membrane resonance audio amplifier according to claim 1, it is characterized in that: described set of speakers (2) is arranged on front tank wall (5), this front tank wall (5) installs described first bass radiator (3) part to casing (1) inner recess, internal box wall (7) before being formed is front upper tank wall (8) between this front internal box wall (7) and described front tank wall (5).
4. by single-ended pair of membrane resonance audio amplifier according to claim 3, it is characterized in that: the vibrating diaphragm of described set of speakers (2) is arranged outward towards casing (1), the front internal box wall (7) at described first bass radiator (3) place is parallel or favour the front tank wall (5) at described set of speakers (2) place; Described rear box wall (6) is parallel to front internal box wall (7).
5. by single-ended pair of membrane resonance audio amplifier according to claim 3, it is characterized in that: rear box wall (6) part of described second bass radiator (4) is installed to casing (1) inner recess, internal box wall (9) after being formed is rear upper tank wall (10) between this rear internal box wall (9) and described rear box wall (6).
6. by single-ended pair of membrane resonance audio amplifier according to claim 5, it is characterized in that: the vibrating diaphragm of described set of speakers (2) is arranged outward towards casing (1), the front internal box wall (7) at described first bass radiator (3) place parallels with the rear internal box wall (9) at the second bass radiator (4) place, and front internal box wall (7) is corresponding with rear internal box wall (9), geomery is all identical; Described front internal box wall (7) is parallel or favour the front tank wall (5) at described set of speakers (2) place, and described rear internal box wall (9) is parallel or favour described rear box wall (6).
7. by single-ended pair of membrane resonance audio amplifier according to claim 1, it is characterized in that: described set of speakers (2) is arranged on tank wall adjacent with front tank wall (5) except lower tank wall, described first bass radiator (3) and the second bass radiator (4) are positioned at the one end away from described set of speakers (2), lay respectively at the left and right sides of set of speakers (2); The part of the front tank wall (5) or upper installation first bass radiator (3) of rear box wall (6) or the second bass radiator (4) that are positioned at described set of speakers (2) side is to casing (1) inner recess, internal box wall (7) or rear internal box wall (9) before being formed, being front upper tank wall (8) between described front internal box wall (7) and front tank wall (5), is rear upper tank wall (10) between described rear internal box wall (9) and rear box wall (6).
8. by single-ended pair of membrane resonance audio amplifier according to claim 7, it is characterized in that: the vibrating diaphragm of described set of speakers (2) is arranged outward towards casing (1), the front internal box wall (7) at described first bass radiator (3) place is parallel or favour described front tank wall (5), and the rear box wall (6) at described second bass radiator (4) place is parallel to front internal box wall (7); Or, the rear internal box wall (9) at described second bass radiator (4) place is parallel or favour described rear box wall (6), and the front tank wall (5) at described first bass radiator (3) place is parallel to rear internal box wall (9); The tank wall of described set of speakers (2) is installed perpendicular to installation first bass radiator (3) or the tank wall installing the second bass radiator (4).
9. by single-ended pair of membrane resonance audio amplifier according to claim 1, it is characterized in that: described set of speakers (2) is arranged on tank wall adjacent with front tank wall (5) except lower tank wall, described first bass radiator (3) and the second bass radiator (4) are positioned at the one end away from described set of speakers (2), lay respectively at the left and right sides of set of speakers (2); The part of the front tank wall (5) and upper installation first bass radiator (3) of rear box wall (6) and the second bass radiator (4) that are positioned at described set of speakers (2) both sides is all to casing (1) inner recess, form front internal box wall (7), rear internal box wall (9), being front upper tank wall (8) between described front internal box wall (7) and front tank wall (5), is rear upper tank wall (10) between described rear internal box wall (9) and rear box wall (6).
10. by single-ended pair of membrane resonance audio amplifier according to claim 9, it is characterized in that: the vibrating diaphragm of described set of speakers (2) is arranged outward towards casing (1), the front internal box wall (7) at described first bass radiator (3) place is parallel or favour described front tank wall (5), the rear internal box wall (9) at described second bass radiator (4) place is parallel or favour described rear box wall (6), described front internal box wall (7) parallels with rear internal box wall (9), and perpendicular to installing the tank wall of described set of speakers (2).
11., by single-ended pair of membrane resonance audio amplifier described in the arbitrary claim of claim 1 to 10, is characterized in that: described set of speakers (2) comprises one ~ tetra-identical loudspeaker unit, and each sound device unit is electroacoustic with being connected; Described first bass radiator (3) and the second bass radiator (4) are identical bass radiator, the vibrating diaphragm of first and second bass radiator (3,4) parallels, and the spacing between first and second bass radiator (3,4) vibrating diaphragm is less than the diameter of each loudspeaker unit of the described set of speakers of composition (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420406000.7U CN204046776U (en) | 2014-07-22 | 2014-07-22 | Single-ended pair of membrane resonance audio amplifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420406000.7U CN204046776U (en) | 2014-07-22 | 2014-07-22 | Single-ended pair of membrane resonance audio amplifier |
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| CN204046776U true CN204046776U (en) | 2014-12-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848041A (en) * | 2015-01-13 | 2016-08-10 | 深圳纽斯声学系统有限公司 | Matched film-group voice box and television with same built in |
| WO2018171440A1 (en) * | 2017-03-23 | 2018-09-27 | 深圳纽斯声学系统有限公司 | Single-cavity sandwich-type automobile subwoofer |
| CN108632704A (en) * | 2017-03-23 | 2018-10-09 | 深圳纽斯声学系统有限公司 | A kind of combination array formula bass box |
| CN109040872A (en) * | 2017-06-08 | 2018-12-18 | 深圳纽斯声学系统有限公司 | A kind of Ceiling loudspeaker housing |
| CN115529539A (en) * | 2022-02-24 | 2022-12-27 | 荣耀终端有限公司 | Speaker module and electronic equipment |
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2014
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105848041A (en) * | 2015-01-13 | 2016-08-10 | 深圳纽斯声学系统有限公司 | Matched film-group voice box and television with same built in |
| WO2018171440A1 (en) * | 2017-03-23 | 2018-09-27 | 深圳纽斯声学系统有限公司 | Single-cavity sandwich-type automobile subwoofer |
| CN108632704A (en) * | 2017-03-23 | 2018-10-09 | 深圳纽斯声学系统有限公司 | A kind of combination array formula bass box |
| CN108632704B (en) * | 2017-03-23 | 2023-08-08 | 深圳纽斯声学系统有限公司 | Combined array type bass box |
| CN109040872A (en) * | 2017-06-08 | 2018-12-18 | 深圳纽斯声学系统有限公司 | A kind of Ceiling loudspeaker housing |
| CN109040872B (en) * | 2017-06-08 | 2024-03-01 | 深圳纽斯声学系统有限公司 | Ceiling loudspeaker box |
| CN115529539A (en) * | 2022-02-24 | 2022-12-27 | 荣耀终端有限公司 | Speaker module and electronic equipment |
| CN115529539B (en) * | 2022-02-24 | 2023-06-27 | 荣耀终端有限公司 | Speaker module and electronic equipment |
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