CN217307832U - Multi-cavity channel sound box - Google Patents

Abstract

The utility model provides a multi-chamber says audio amplifier, be applicable to electronic equipment's multichannel public address, electronic equipment is equipped with two outer sound ports at least, this multi-chamber says that the audio amplifier includes the box, be equipped with two public address chambeies in the box at least, two public address chambeies are said and second chamber, the both ends that first chamber was said and second chamber were said all are equipped with into sound mouth and sound outlet, the area of sound outlet is greater than the area of sound inlet, electronic equipment can arrange in on the box to make two sound inlets correspond respectively and put through two outer sound ports settings of electronic equipment. Each external sound emitting port of the electronic equipment is correspondingly communicated with one sound amplifying cavity channel so as to amplify the sound played by each external sound emitting port respectively, and multi-channel external sound amplification of the electronic equipment is realized.

Description

Multi-cavity channel sound box

Technical Field

The utility model relates to an audio amplifier equipment field specifically is a multicavity way audio amplifier.

Background

Loudspeaker box equipment capable of amplifying sound played outside electronic equipment only through a physical structure is available in the market at present. Some electronic devices in the market can play dual-channel or multi-channel audio by using two or more external devices, but only one sound amplification cavity channel of the existing sound box is usually arranged, and the sound amplification of the multi-channel audio is difficult to support.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problem, the utility model provides a pair of multicavity way audio amplifier can be applicable to and carry out the public address to electronic equipment's multichannel audio frequency.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a multi-chamber says audio amplifier, be applicable to electronic equipment's multichannel public address, electronic equipment is equipped with two outer sound ports at least, this multi-chamber says that the audio amplifier includes the box, be equipped with two public address chambeies in the box at least, two public address chambeies are said and second chamber, the both ends that first chamber was said and second chamber were said all are equipped with into sound mouth and sound outlet, the area of sound outlet is greater than the area of sound inlet, electronic equipment can arrange in on the box to make two sound inlets correspond respectively and put through two outer sound ports settings of electronic equipment.

Preferably, the first cavity and/or the second cavity are/is arranged in the box body in a coiled structure.

Preferably, the sound outlet of the first cavity and/or the second cavity is arranged on the top surface of the box body.

Preferably, the two sound outlets are respectively arranged at two opposite side positions of the top surface of the box body.

Preferably, at least one movable sound inlet piece is arranged on the box body, the first end of the sound inlet piece is inserted into the sound inlet, the second end of the sound inlet piece is provided with a receiving port connected with the sound inlet, and the sound inlet piece can be abutted to the electronic equipment so that the receiving port is attached to the outer sound outlet.

Preferably, the sound inlet is arranged in a cylindrical groove structure, and the first end of the sound inlet piece is arranged in a cylindrical tube structure, so that the first end of the sound inlet piece can slide or rotate in the sound inlet.

Preferably, the second end of the sound inlet member is further provided with a soft abutting layer arranged around the receiving port, and the sound inlet member abuts against and presses the electronic device through the soft abutting layer.

Preferably, the two sound inlet parts are a first sound inlet part and a second sound inlet part respectively, the first end of the first sound inlet part is connected to the sound inlet of the first cavity, and the first end of the second sound inlet part is connected to the sound inlet of the second cavity.

Preferably, the second end of the first sound-entering member has a displacement capability in a direction toward or away from the electronic device, and the second end of the second sound-entering member has a displacement capability in a direction toward or away from the electronic device and in a direction perpendicular to the top surface of the electronic device.

Preferably, the first sound inlet member second end and the second sound inlet member second end are both arranged on two sides of the box body in the middle.

(III) advantageous effects

The utility model has the advantages that: the utility model provides a multi-chamber says audio amplifier, be applicable to electronic equipment's multichannel public address, electronic equipment is equipped with two outer sound ports at least, this multi-chamber says that the audio amplifier includes the box, at least, be equipped with two public address chambeies in the box, two public address chambeies are said and second chamber way, the both ends that first chamber was said and second chamber were said all are equipped with income sound mouth and sound outlet, the area of sound outlet is greater than the area of income sound mouth, electronic equipment can arrange in on the box, so that two sound inlets correspond two outer sound ports settings of putting through electronic equipment respectively. Each external sound emitting port of the electronic equipment is correspondingly communicated with one sound amplification cavity channel so as to amplify the sound played by each external sound emitting port respectively, and multi-channel external sound amplification of the electronic equipment is realized.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of two sound amplification channels;

FIG. 3 is a schematic diagram of the positions of two sound outlets;

FIG. 4 is a schematic view of the explosive assembly of the present embodiment;

FIG. 5 is a schematic view of a connection structure of the second sound input member and the elastic member;

FIG. 6 is a schematic structural view of a second sound input member;

FIG. 7 is a schematic diagram of the shape and structure of the first sound inlet member in the preferred embodiment;

in the figure, 1 electronic equipment, 2 a box body, 3 sound inlet parts, 10 sound outlet ports, 21 first cavity channels, 22 second cavity channels, 30 receiving ports, 31 soft supporting layers, 3a first sound inlet parts, 3b second sound inlet parts, a sound inlet ports and b sound outlet ports.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, a multi-channel speaker is suitable for multi-channel sound amplification of an electronic device 1, the electronic device 1 is at least provided with two external sound outlets 10, the multi-channel speaker includes a box body 2, at least two sound amplification channels are arranged in the box body 2, the two sound amplification channels are a first channel 21 and a second channel 22, two ends of the first channel 21 and the second channel 22 are respectively provided with a sound inlet a and a sound outlet b, an area of the sound outlet b is larger than an area of the sound inlet a, and the electronic device 1 can be arranged on the box body 2, so that the two sound inlets a are respectively arranged corresponding to the two external sound outlets 10 of the electronic device 1.

Specifically, the sectional area of the sound amplification cavity channel is gradually increased from the sound inlet a to the sound outlet b, and the non-power supply physical sound amplification is realized by utilizing the horn sound amplification principle. Each external sound emitting port 10 of the electronic device 1 is correspondingly connected with one sound amplification cavity channel, so that sound amplification operation is respectively carried out on sound played by each external sound emitting port 10 on the electronic device 1, and multi-channel external sound amplification of the electronic device is realized. In an embodiment of the present invention, a fixture for fixing the electronic device 1 may be disposed on the box body 2, so that after the electronic device 1 is fixed by the fixture, the two outer sound emitting ports 10 of the electronic device 1 just attach to the two sound inlet ports a; the utility model discloses a another embodiment, can be equipped with the groove structure or spacing boss (not shown in the attached drawing) that are used for restricting the position of electronic equipment 1 on the box 2, make the income sound position point of public address chamber way remove in addition (not being restricted to and going into the sound mouth, can also be other structures of putting through into the sound mouth) to each of adaptation different model electronic equipment puts the sound mouth position of putting out outward, still can utilize the elastic component to carry out electronic equipment's the tight operation of clamp simultaneously.

Further, the first cavity 21 and/or the second cavity 22 are disposed in the box body 2 in a coiled structure, so that the length of the amplification cavity can be set longer, the longer the sound amplification travel is, the lower the sound frequency emitted through the sound outlet b is, i.e. the better the bass effect is. Specifically, in this embodiment, the length of the sound-amplifying channel is greater than the length of the cabinet 2, and a "U" shape, an "S" shape, or a combination of a plurality of "U" shapes, as shown in fig. 2, is formed, so as to achieve the purpose of increasing the length of the sound-amplifying channel in a limited space.

Further, the sound outlets b of the first cavity 21 and/or the second cavity 22 are disposed on the top surface of the box body 2, and the two sound outlets b are disposed at two opposite side positions of the top surface of the box body 2, respectively. Since the design of the sound box is aimed at portability, the thickness of the cabinet 2 is reduced as much as possible, and on the other hand, if the sound outlet b is provided on the side surface of the cabinet 2 in order to secure a large area of the sound outlet b, the sound outlet b becomes long and narrow, which is disadvantageous for sound generation. Therefore, in this embodiment, the sound outlets b are disposed on the front and rear sides of the top surface of the box body 2, and the top surface of the box body 2 has a sufficient area, so that the sound outlets b can be disposed larger, and the sounds emitted from the two sound outlets b can be separated from each other and transmitted to the ears of the user, thereby maintaining the characteristics of the binaural audio.

Furthermore, the electronic device is exemplified by a mobile phone, since the mobile phone has different brands and models, the thickness of the mobile phone is also different, and the number and the position of the external sound emitting ports of different mobile phones may be different, in order to make the multi-channel sound box applicable to different mobile phones, in this embodiment, at least one movable sound inlet member 3 is arranged on the box body 2, the first end of the sound inlet member 3 is inserted into the sound inlet a, the second end of the sound inlet member 3 is provided with a receiving port 30 connected to the sound inlet a, and the sound inlet member 3 can be supported on the mobile phone, so that the receiving port 30 is attached to the external sound emitting port 10. Specifically, for a mobile phone with two loudspeaker horns (i.e. two external sound outlets), a fixed sound inlet point and a movable sound inlet point can be used to simultaneously receive the sound emitted by the two horns of the mobile phone, while most of the mobile phones have the speaker and earpiece speakers at the lower side of the phone at the same or similar positions (in case of apple phone), due to different factors such as thickness, length and width of the mobile phone, the positions of the two outer sound emitting ports 10 of different mobile phones are different, therefore, in one embodiment of the utility model, one side of the box body 2 is provided with a sound inlet point with a fixed position, the sound input position point can be a sound input port a vertically arranged on the top surface of the box body, an outer sound emitting port 10 on the outer edge of the lower side of the mobile phone is abutted against the sound input port a, the outer sound-emitting port 10 at the handset position on the upper side of the mobile phone is communicated with the outer sound-emitting port 10 of the handset and the remaining one sound-emitting port a by using a movable sound-emitting piece 3. In the preferred embodiment of the present invention, the sound inlet member 3 is further connected with an elastic member, so that the sound inlet member 3 has a function of compressing the outer sound emitting port 10 of the mobile phone.

Furthermore, sound inlet a is arranged in a cylindrical groove structure, and the first end of sound inlet 3 is arranged in a cylindrical tube structure, so that the first end of sound inlet 3 can slide back and forth on sound inlet a and can rotate around sound inlet a.

Further, the second end of the sound inlet member 3 is further provided with a soft abutting layer 31 arranged around the receiving opening 30, the sound inlet member 3 abuts against the mobile phone through the soft abutting layer 31, and the soft abutting layer 31 serves as a sealing structure, so that sound emitted from the sound outlet 10 of the mobile phone can enter the receiving opening 30 more comprehensively instead of leaking from a gap between the sound outlet and the receiving opening, and acoustic energy loss is caused.

Furthermore, the utility model discloses a preferred embodiment, make two on the box go into sound position point and all can remove the setting, let also to go into sound piece 3 and be equipped with two, be first sound piece 3a and the second sound piece 3b of going into respectively, the first end of the first sound piece 3a of going into is connected in the income sound mouth a department of first chamber way 21, the second is gone into the first end of sound piece 3b and is connected in the income sound mouth a department of second chamber way 22. The second end of the first sound inlet 3a has a displacement capability towards the direction of approaching or separating the electronic device 1, and the second end of the second sound inlet 3b has a displacement capability towards the direction of approaching or separating the electronic device 1 and a direction perpendicular to the top surface of the electronic device 1. Specifically, the receiving opening 30 of the first sound inlet member 3a has a displacement capability in the longitudinal direction of the mobile phone, and the receiving opening 30 of the second sound inlet member 3b has a displacement capability in the longitudinal direction of the mobile phone and in the direction perpendicular to the screen of the mobile phone. It should be noted that the object or one end of the object has displacement capability in a certain direction, and the object can be achieved by a plurality of motion modes, not only the object or one end of the object slides in the direction.

More specifically, the first end of the first sound inlet element 3a and the first cavity 21 form a telescopic rod structure, so that the second end of the first sound inlet element 3a moves back and forth above the box body 2, and corresponds to the external sound emitting port 10 for receiving the speaker at the lower side of the mobile phone. The second sound-inlet element 3b here illustrates two embodiments, one of which is: the first end of the second sound inlet member 3b and the second cavity 22 form a telescopic rod structure, the first end and the second end of the second sound inlet member 3b also form a telescopic rod structure, and the two telescopic rod structures are perpendicular to each other, so that the second end of the second sound inlet member 3b can move back and forth and can also move up and down (not shown in the drawing of the embodiment); secondly, the first end of the second sound inlet member 3b and the second cavity form a telescopic rod structure, the second end of the second sound inlet member 3b deviates from the rotation axis thereof, when the second end of the second sound inlet member 3b swings around the first end thereof, the second end of the second sound inlet member 3b also has displacement in the vertical direction, although the receiving port 30 of the second sound inlet member 3b has small inclination with the horizontal direction, the tightness between the outer sound outlet 10 and the receiving port 30 of the handset can be ensured by the elastic deformation action of the soft abutting layer 31, as shown in fig. 5, the structure is adapted to handsets with different thicknesses, so as to ensure that the second end of the second sound inlet member 3b can be pressed at the handset.

In addition, if the electronic device is a dual-track android system mobile phone, two outer sound emitting ports of the electronic device are respectively located on the outer edge of the lower side of the mobile phone and the outer edge of the upper side of the mobile phone (not on the screen surface where a mobile phone receiver is located), the first sound entering piece and the second sound entering piece at the moment can be arranged in the same structure, namely, the first sound entering piece and the second sound entering piece are both in sliding structures, and the sliding directions of the first sound entering piece and the second sound entering piece are parallel to each other.

Further, the second end of the first sound inlet part 3a and the second end of the second sound inlet part 3a are both arranged on two sides of the box body in the middle. In one of the preferred embodiments shown, the first sound inlet member 3a is shaped and configured as shown in fig. 7 (the first sound inlet member shown in the figure has two first ends, but the duct of one of the first ends only serves as a guide and a stabilizer), so that the handset can be held between the first sound inlet member 3a and the second sound inlet member 3b more stably, and the handset can be prevented from tilting.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. Although embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A multi-channel sound box is suitable for multi-channel sound amplification of electronic equipment (1), wherein the electronic equipment (1) is at least provided with two outer sound emitting ports (10), and is characterized in that the multi-channel sound box comprises a box body (2), at least two sound amplifying channels are arranged in the box body (2), the two sound amplifying channels are a first channel (21) and a second channel (22), two ends of the first channel (21) and the second channel (22) are respectively provided with a sound inlet (a) and a sound outlet (b), the area of the sound outlet (b) is larger than that of the sound inlet (a), and the electronic equipment (1) can be arranged on the box body (2) so that the two sound inlets (a) are respectively correspondingly communicated with the two outer sound emitting ports (10) of the electronic equipment (1).

2. A multiple chamber enclosure according to claim 1 wherein the first (21) and/or second (22) chambers are arranged in the enclosure (2) in a coiled configuration.

3. A multiple chamber cabinet according to claim 1, wherein the sound outlet (b) of the first chamber (21) and/or the second chamber (22) is provided on the top surface of the cabinet (2).

4. A multiple-chamber cabinet according to claim 3, wherein two of said outlets (b) are provided at two opposite side positions of the top surface of said cabinet (2), respectively.

5. A multiple-chamber loudspeaker according to claim 1, wherein the cabinet (2) is provided with at least one movable sound inlet member (3), a first end of the sound inlet member (3) is inserted into the sound inlet (a), a second end of the sound inlet member (3) is provided with a receiving port (30) connected to the sound inlet (a), and the sound inlet member (3) can be abutted against the electronic device (1) so that the receiving port (30) is disposed in abutment with the external sound outlet (10).

6. A multichamber loudspeaker as in claim 5, characterised by that said sound inlet (a) is arranged in a cylindrical slot configuration and said first end of said sound inlet member (3) is arranged in a cylindrical barrel configuration, so that said first end of said sound inlet member (3) can slide or rotate in said sound inlet (a).

7. A multiple-chamber loudspeaker according to claim 5, characterised in that the second end of the sound inlet member (3) is further provided with a soft abutment layer (31) arranged around the receiving opening (30), and the sound inlet member (3) is pressed against the electronic device (1) through the soft abutment layer (31).

8. A multiple chamber loudspeaker according to claim 5, characterised in that the sound inlet member (3) is provided in two, respectively a first sound inlet member (3a) and a second sound inlet member (3b), the first end of the first sound inlet member (3a) being connected to the sound inlet (a) of the first chamber (21), and the first end of the second sound inlet member (3b) being connected to the sound inlet (a) of the second chamber (22).

9. A multiple-chamber loudspeaker according to claim 8, wherein the second end of the first sound-entering member (3a) has a displacement capability in a direction toward or away from the electronic device (1), and the second end of the second sound-entering member (3b) has a displacement capability in a direction toward or away from the electronic device (1) and in a direction perpendicular to the top surface of the electronic device (1).

10. A multiple chamber enclosure according to claim 8 wherein the second ends of the first and second sound inlet members (3a, 3b) are centrally located on either side of the enclosure (2).

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