CN210274507U - Double-track phase-inverted mini sound box - Google Patents
Double-track phase-inverted mini sound box Download PDFInfo
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- CN210274507U CN210274507U CN201921367438.8U CN201921367438U CN210274507U CN 210274507 U CN210274507 U CN 210274507U CN 201921367438 U CN201921367438 U CN 201921367438U CN 210274507 U CN210274507 U CN 210274507U
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Abstract
The utility model discloses a dual-track phase-inverted mini sound box, which comprises a sound box shell, wherein the inner part of the sound box shell is divided into a left sound cavity and a right sound cavity by a sound insulation board; the left sound cavity is internally provided with a left loudspeaker and a left phase reversal pipe, the right sound cavity is internally provided with a right loudspeaker and a right phase reversal pipe, and the left loudspeaker and the right loudspeaker are separated by a sound insulation plate, so that sound wave transmission between the left loudspeaker and the right loudspeaker can be avoided, and the sound quality of the dual-channel phase reversal mini sound box is improved; in addition, the left inverter tube and the right inverter tube are provided with the inverter tubes with the sound transmission parts, and the sound in the sound cavity is completely radiated to the outside through the inverter tubes with the sound transmission parts, so that the stereo sound effect of the dual-channel inverter type mini sound box is improved.
Description
Technical Field
The utility model relates to a technical field is made to speaker, stereo set, particularly, relates to a two track phase inversion formula mini audio amplifier.
Background
The mini sound box is a miniature sound box, has the advantages of small size and convenience in carrying, and has been advanced into various families along with the continuous improvement of living standard.
The existing dual-track mini sound box is generally provided with only one sound cavity, namely two loudspeakers are placed in the same sound cavity, and in the using process, sound waves generated by the two loudspeakers are mixed, so that the stereo effect of the dual-track mini sound box is reduced to a certain extent; moreover, because the volume is limited, the conventional dual-channel mini sound box is generally not provided with an inverter tube, so that the sound in the sound box cannot be completely radiated to the outside, a part of sound wave energy of the loudspeaker is wasted, and the integral tone quality of the sound box is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a dual-track inverted mini sound box, wherein two sound cavities are arranged in the dual-track inverted mini sound box, and the two loudspeakers are separated by a sound insulation plate; and, all be provided with the paraphase pipe of taking the microphone in two sound chambeies, radiate the sound of sound chamber to the external world completely through the paraphase pipe of taking the microphone, have rational in infrastructure, the stereo sound is good and whole tone quality is high advantage.
Correspondingly, the embodiment of the utility model provides a two-track phase inversion type mini sound box, two-track phase inversion type mini sound box includes the audio amplifier casing, the inside acoustic celotex board that is provided with of audio amplifier casing, the acoustic celotex board separates the inside part of audio amplifier casing into left sound chamber and right sound chamber;
a left loudspeaker and a left phase inverter tube are arranged in the left sound cavity, and the opening of the left loudspeaker faces the outside of the sound box shell; one end of the left phase reversal pipe is provided with a left horn mouth type connecting pipe part which is fixed on the sound box shell and is communicated with the outside, and the other end of the left phase reversal pipe is provided with a plurality of left phase reversal pipe sound transmission pieces which are contacted with the left loudspeaker;
a right loudspeaker and a right phase-reversing tube are arranged in the right sound cavity, and the opening of the right loudspeaker faces the outside of the sound box shell; and one end of the right phase reversal pipe is provided with a right horn mouth-shaped pipe connecting part which is fixed on the sound box shell and is communicated with the outside, and the other end of the right phase reversal pipe is provided with a plurality of right phase reversal pipe sound transmission pieces which are contacted with the right loudspeaker.
In an alternative embodiment, the left inverter tube sound-transmitting member and the right inverter tube sound-transmitting member are each provided in an L shape;
one end of the left inverter tube sound transmission piece is fixed on the left inverter tube, and the other end of the left inverter tube sound transmission piece is in contact with the left loudspeaker;
one end of the right inverter tube sound transmission piece is fixed on the right inverter tube, and the other end of the right inverter tube sound transmission piece is in contact with the right loudspeaker.
In an optional implementation mode, a first sound box cover plate is fixed at one end of the sound box shell, which is close to the left sound cavity, and a second sound box cover plate is fixed at one end of the sound box shell, which is close to the right sound cavity;
the left loudspeaker is fixed on the first sound box cover plate, and the right loudspeaker is fixed on the second sound box cover plate.
In an optional implementation manner, a plurality of left speaker fixing sleeves are arranged on one side of the first sound box cover plate facing the left sound cavity, a plurality of left speaker fixing through holes matched with the left speaker fixing sleeves are arranged on the left speaker, and the left speaker is fixed on the first sound box cover plate based on the matching of a first connecting piece, the left speaker fixing through holes and the left speaker fixing sleeves;
second audio amplifier apron orientation be provided with a plurality of right speakers fixed sleeve on one side in right sound chamber, be provided with on the right side speaker a plurality ofly with the right speaker fixed through hole of right speaker fixed sleeve looks adaptation, right side speaker based on the second connecting piece with right speaker fixed through hole, right speaker fixed sleeve's cooperation are fixed on the second audio amplifier apron.
In an optional implementation manner, the first sound box cover plate is provided with a first resonance membrane on the outer side of the left speaker, and the second sound box cover plate is provided with a second resonance membrane on the outer side of the right speaker;
the first resonant diaphragm is provided with a plurality of first resonant diaphragm clamping parts, the first loudspeaker box cover plate is provided with a plurality of first resonant diaphragm clamping holes matched with the first resonant diaphragm clamping parts, and the first resonant diaphragm is fixed on the first loudspeaker box cover plate based on the matching of the first resonant diaphragm clamping parts and the first resonant diaphragm clamping holes;
be provided with a plurality of second resonance membrane joint portions on the second resonance membrane, be provided with on the second audio amplifier apron a plurality of with the second resonance membrane card hole of second resonance membrane joint looks adaptation, the second resonance membrane is based on second resonance membrane joint portion with the cooperation in second resonance membrane card hole is fixed on the second audio amplifier apron.
In an optional implementation manner, the dual-channel phase-inverted mini speaker further includes a speaker control communication box, where the speaker control communication box includes a speaker control communication panel disposed on one side of the speaker control communication box, and a main control PCB and a power module disposed in the speaker control communication box;
the sound box control communication box passes through the sound box shell through hole and is embedded in the sound insulation plate groove; the sound box control communication panel is exposed on the sound box shell.
In an optional implementation manner, the speaker control communication panel includes a plurality of speaker control buttons, a microphone interface, a USB interface, a Mini USB interface, an SD card socket, and a power charging interface;
the plurality of sound box control keys, the microphone interface, the USB interface, the Mini USB interface and the SD card seat are respectively and electrically connected with the main control PCB;
and the power supply charging interface is electrically connected with the power supply module.
In an alternative embodiment, the two-channel inverted mini sound box further comprises a carrying handle;
the portable loudspeaker is characterized in that a first portable handle belt connecting seat is arranged at the top of the first loudspeaker box cover plate, a second portable handle belt connecting seat is arranged at the top of the second loudspeaker box cover plate, one end of the portable handle belt is fixed in the first portable handle belt connecting seat, and the other end of the portable handle belt is fixed in the second portable handle belt connecting seat.
In an optional implementation mode, the bottom of the first sound box cover plate is provided with first sound box supporting legs, the bottom of the second sound box cover plate is provided with second sound box supporting legs, and the first sound box supporting legs and the second sound box supporting legs are located on the same horizontal position.
In an optional implementation manner, the sound box shell, the first sound box cover plate and the second sound box cover plate are made of a BMC composite material.
The embodiment of the utility model provides a two-track phase inversion type mini sound box, two-track phase inversion type mini sound box passes through the acoustic celotex board and separates the audio amplifier casing into left sound chamber and right sound chamber, be provided with left speaker in the left sound chamber, be provided with right speaker in the right sound chamber, the acoustic celotex board can avoid the sound wave transmission between left speaker and the right speaker, has improved the stereophonic of two-track phase inversion type mini sound box; in addition, a left phase inverter tube is arranged in the left sound cavity, a right phase inverter tube is arranged in the right sound cavity, the left phase inverter tube can radiate sound waves in the left sound cavity to the outside, and the left phase inverter tube can radiate the sound waves in the right sound cavity to the outside; and a plurality of L-shaped left phase reversal pipe sound transmission pieces are arranged on the left phase reversal pipe, a plurality of L-shaped right phase reversal pipe sound transmission pieces are arranged on the right phase reversal pipe, and the left phase reversal pipe sound transmission pieces and the right phase reversal pipe sound transmission pieces can reduce the delay of sound waves in the left phase reversal pipe and the right phase reversal pipe and improve the stereo sound effect of the dual-channel phase reversal mini sound box to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic three-dimensional structure diagram of the front surface of a dual-channel inverted mini sound box in the embodiment of the present invention;
fig. 2 is a schematic diagram of a three-dimensional structure of the back of the dual-channel inverted mini speaker in the embodiment of the present invention;
fig. 3 is a front view of a dual channel inverted mini sound box according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a first speaker cover plate (a second speaker cover plate), a left speaker (a right speaker), and a first resonance membrane (a second resonance membrane) according to an embodiment of the present invention;
fig. 5 is an explosion diagram of the three-dimensional structure of the dual-channel inverted mini speaker in the embodiment of the present invention.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is the three-dimensional structure schematic diagram of the front of the dual-channel inverted mini sound box in the embodiment of the present invention, fig. 2 is the three-dimensional structure schematic diagram of the back of the dual-channel inverted mini sound box in the embodiment of the present invention, and fig. 3 is the front view of the dual-channel inverted mini sound box in the embodiment of the present invention.
The embodiment of the utility model provides a two track phase inversion formula mini audio amplifier, two track phase inversion formula mini audio amplifier includes audio amplifier casing 1, 1 inside acoustic celotex board 2 that is provided with of audio amplifier casing, acoustic celotex board 2 will 1 internal partitioning of audio amplifier casing is left sound chamber 3 and right sound chamber 4.
A first sound box cover plate 5 is fixed at one end of the sound box shell 1, which is close to the left sound cavity 3, and a second sound box cover plate 6 is fixed at one end of the sound box shell 1, which is close to the right sound cavity 4.
Fig. 4 is a schematic diagram of the first speaker cover plate (second speaker cover plate), the left speaker (right speaker) and the first resonance membrane (second resonance membrane) in the embodiment of the present invention, and fig. 5 is a schematic diagram of the three-dimensional structure explosion of the dual-channel inverted mini speaker in the embodiment of the present invention.
Specifically, be provided with a plurality of first audio amplifier apron mounting through-holes 51 on the first audio amplifier apron 5, be provided with on the audio amplifier casing 1 a plurality ofly with first audio amplifier apron mounting through-hole 51 corresponding first audio amplifier casing through-hole 11 in position, first audio amplifier apron 5 based on the screw with first audio amplifier apron mounting through-hole 51 first audio amplifier casing through-hole 11's cooperation is fixed on the one end of audio amplifier casing 1.
Similarly, be provided with a plurality of second audio amplifier apron installation through-holes 61 on the second audio amplifier apron 6, be provided with on the audio amplifier casing 1 a plurality ofly with second audio amplifier apron installation through-hole 61 corresponding second audio amplifier casing through-hole 12 in position, second audio amplifier apron 6 based on the screw with second audio amplifier apron installation through-hole 61 the cooperation of second audio amplifier casing through-hole 12 is fixed on the other end of audio amplifier casing 1.
The first sound box cover plate 5 and the second sound box cover plate 6 are arranged, so that on one hand, installation and fixing positions are provided for the left loudspeaker 31 and the right loudspeaker 41; on the other hand, the maintenance of the dual-channel phase-inversion mini sound box is facilitated, that is, when the dual-channel phase-inversion mini sound box fails, the dual-channel phase-inversion mini sound box can be maintained by disassembling the first sound box cover plate 5 or the second sound box cover plate 6.
Wherein, a left loudspeaker 31 and a left inverter tube 32 are arranged in the left sound cavity 3.
Specifically, a left speaker mounting through hole 52 is formed in the center of the first speaker cover plate 5, and the left speaker 31 is embedded in the left speaker mounting through hole 52; in addition, in order to make the installation of left speaker 31 more firm, first audio amplifier apron 5 orientation be provided with a plurality of left speaker fixed sleeves 53 on the inside one side of audio amplifier casing 1, be provided with on the left speaker 31 a plurality of with the left speaker fixed sleeve 53 looks adaptation's left speaker fixed through-hole 311, the left speaker 32 based on the screw with the cooperation of left speaker fixed through-hole 311, left speaker fixed sleeve 53 is fixed in left speaker installation through-hole 52, just the opening orientation of left speaker 31 the audio amplifier casing 1 is outside, conveniently with the sound wave transmission of left speaker 31 is to the audio amplifier casing 1 is outside.
Specifically, one end of the left inverter tube 32 is provided with a left bell mouth-shaped pipe connecting portion 321 that is fixed to the cabinet housing 1 and communicates with the outside, and the other end is provided with a plurality of L-shaped left inverter tube sound transmitting members 322 that contact the left speaker 31.
Wherein, audio amplifier casing 1 is in left paraphase pipe mounting hole on one side of left sound chamber 3, left horn mouth type connecting pipe portion 321 is embedded in the left paraphase pipe mounting hole.
One ends of the plurality of L-shaped left inverter pipe sound transmitting members 322 are fixed to the other end of the left inverter pipe 32 opposite to the left bell mouth-shaped pipe connecting portion 321 by bolts or screws, and the other ends of the plurality of L-shaped left inverter pipe sound transmitting members 322 are in contact with the left speaker 31.
In the embodiment of the present invention, one end of the left phase reversal pipe 32 is communicated with the outside, and the other end is opened toward the inside of the left sound cavity 3, so as to radiate the sound wave in the left sound cavity 3 to the outside; in addition, because the sound has a faster propagation speed in the solid medium than in the air, the plurality of L-shaped left inverter tube sound transmitting pieces 322 transmit the sound of the left loudspeaker 31 in the left sound cavity 3 to the left inverter tube 32 through the solid medium, so that the sound wave of the left loudspeaker 31 in the left sound cavity 3 can be transmitted to the outside faster, the delay of the sound wave in the left inverter tube 32 can be reduced, and the stereo effect of the two-channel inverted mini-speaker can be improved to some extent.
Similarly, a right speaker 41 and a right inverter tube 42 are disposed in the right sound cavity 4.
Specifically, a right speaker mounting through hole 62 is formed in the center of the second speaker cover 6, and the right speaker 41 is embedded in the right speaker mounting through hole 62; in addition, in order to make the installation of right speaker 41 is more firm, second audio amplifier apron 6 orientation be provided with a plurality of right speaker fixed sleeves 63 on the inside one side of audio amplifier casing 1, be provided with on the right speaker 41 a plurality of with the right speaker fixed through-hole 411 of right speaker fixed sleeve 63 looks adaptation, right speaker 41 based on the screw with the cooperation of right speaker fixed through-hole 411, right speaker fixed sleeve 63 is fixed in right speaker installation through-hole 62, just the opening orientation of right speaker 41 the audio amplifier casing 1 is outside, conveniently will the sound wave of right speaker 41 transmits to the audio amplifier casing 1 is outside.
Specifically, one end of the right inverter tube 42 is provided with a right bell mouth-shaped tube portion 421 fixed to the cabinet housing 1 and communicating with the outside, and the other end is provided with a plurality of L-shaped right inverter tube sound-transmitting members 422 contacting the right speaker 41.
Wherein, audio amplifier casing 1 is in right inverted tube mounting hole is gone up to one side of right sound chamber 4, right horn mouth type connecting pipe portion 421 is embedded in the right inverted tube mounting hole.
One ends of the plurality of L-shaped right inverter pipe sound-transmitting members 422 are fixed to the other end of the right inverter pipe 42 opposite to the right bell mouth-shaped pipe-receiving portion 421 by bolts or screws, and the other ends of the plurality of L-shaped right inverter pipe sound-transmitting members 422 are in contact with the right speaker 41.
In the embodiment of the present invention, one end of the right phase-reversing tube 42 is communicated with the outside, and the other end is opened toward the inside of the right sound cavity 4, so as to radiate the sound wave in the right sound cavity 4 to the outside; in addition, because the sound has a faster propagation speed in the solid medium than in the air, the plurality of L-shaped right inverter tube sound transmitting pieces 422 transmit the sound of the right loudspeaker 41 in the right sound cavity 4 to the inverter tube 42 through the solid medium, so that the sound wave of the right loudspeaker 41 in the right sound cavity 4 can be transmitted to the outside more quickly, the delay of the sound wave in the right inverter tube 42 can be reduced, and the stereo effect of the two-channel inverter mini-sound box can be improved to a certain extent.
In the embodiment of the present invention, through the sound-proof board 2 will the left speaker 31 with the right speaker 41 is separated, can avoid the sound wave transmission between the left speaker 31 and the right speaker 41 has improved the stereophonic effect of the dual-channel phase inversion type mini sound box.
In addition, the first cabinet cover 5 is provided with a first resonant membrane 54 on the outer side of the left speaker 31; the first resonant diaphragm 54 is provided with a plurality of first resonant diaphragm clamping portions 541, the first sound box cover plate 5 is provided with a plurality of first resonant diaphragm clamping holes 55 matched with the first resonant diaphragm clamping portions 541, and the first resonant diaphragm 54 is fixed on the outer side of the first sound box cover plate 5 based on the matching of the first resonant diaphragm clamping portions 541 and the first resonant diaphragm clamping holes 55. The resonance frequency is adjusted by the resonance effect of the first resonance membrane 54 and the first cabinet cover 5, so that the sound quality of the left speaker 41 can be improved.
Similarly, the second sound box cover 6 is provided with a second resonance membrane 64 on the outer side of the right speaker 41; be provided with a plurality of second resonance membrane joint portions 641 on the second resonance membrane 64, be provided with on the second audio amplifier apron 6 a plurality ofly with the second resonance membrane card hole 65 of second resonance membrane joint portion 641 looks adaptation, second resonance membrane 64 based on second resonance membrane joint portion 641 with the cooperation of second resonance membrane card hole 65 is fixed the outside of second audio amplifier apron 6. The resonance frequency is adjusted by the resonance action of the second resonance membrane 64 and the second cabinet cover 6, so that the sound quality of the right speaker can be improved.
In addition, the dual-channel phase inversion type mini sound box further comprises a sound box control communication box 7, wherein the sound box control communication box 7 comprises a sound box control communication panel 71 arranged on one side of the sound box control communication box, and a main control PCB and a power supply module which are arranged in the sound box control communication box 7.
Specifically, be provided with audio amplifier casing through-hole on the audio amplifier casing 1, the acoustic celotex board recess on the acoustic celotex board 2, audio amplifier control communication box 7 passes audio amplifier casing through-hole is embedded in the acoustic celotex board recess, through audio amplifier casing through-hole with the acoustic celotex board recess is right audio amplifier control communication box 7 is fixed.
The sound box control communication panel 71 is exposed on the sound box shell 1, and the sound box control communication panel 71 comprises a plurality of sound box control keys, a microphone interface, a USB interface, a Mini USB interface, an SD card socket and a power charging interface.
The plurality of sound box control keys are electrically connected with the main control PCB, and the operation of the mini sound box can be controlled through the plurality of sound box control keys.
One end of the USB interface or the Mini USB interface is electrically connected with the main control PCB, and the other end of the USB interface or the Mini USB interface can be connected with other upper computers through USB lines so as to control or communicate the vertical sound box through other upper computers.
The SD card seat is electrically connected with the main control PCB, and the SD card seat can read audio information in the SD card, namely the vertical sound box can play the audio information in the SD card.
One end of the power supply charging interface is electrically connected with the power supply module, the other end of the power supply charging interface can be connected with an external power supply through a power line, and when the electric quantity of the power supply module is exhausted, the power supply module is charged.
In addition, the dual-channel phase-inverted mini sound box also comprises a handle belt 8; specifically, a first carrying handle belt connecting seat 56 is arranged at the top of the first sound box cover plate 5, a second carrying handle belt connecting seat 66 is arranged at the top of the second sound box cover plate 6, one end of the carrying handle belt 4 is fixed in the first carrying handle belt connecting seat 56, and the other end of the carrying handle belt 4 is fixed in the second carrying handle belt connecting seat 66. The arrangement of the handle belt 4 facilitates the carrying of the dual-track phase reversal mini sound box.
In addition, the bottom of first audio amplifier apron 5 is provided with first audio amplifier supporting legs 57, the bottom of second audio amplifier apron 6 is provided with second audio amplifier supporting legs 67, just first audio amplifier supporting legs 57 with second audio amplifier supporting legs 67 are on same water flat line. Because the dual-channel inverted mini sound box is cylindrical, the first support leg 57 and the second support leg 67 are provided, so that the cylindrical dual-channel inverted mini sound box can be stably placed.
In addition, the sound box shell 1, the first sound box cover plate 5 and the second sound box cover plate 6 are made of BMC composite materials; it should be noted that the BMC composite material sound box casing is a novel sound box casing replacing a wood sound box, the BMC composite material sound box casing is much higher than a wood material in specific gravity, density and rigidity, the acoustic effect is also obviously better than that of the wood sound box, and the BMC composite material can be hot-formed at one time, so that the production efficiency of the sound box casing 1, the first sound box cover plate 5 and the second sound box cover plate 6 is improved to a certain extent.
The embodiment of the utility model provides a two-track phase inversion type mini sound box, two-track phase inversion type mini sound box passes through acoustic celotex board 2 and will sound box shell 1 separates for left sound chamber 3 and right sound chamber 4, be provided with left speaker 31 in the left sound chamber 3, be provided with right speaker 41 in the right sound chamber 4, acoustic celotex board 2 can avoid the sound wave transmission between left speaker 31 and right speaker 41, has improved the stereophonic of two-track phase inversion type mini sound box; in addition, a left inverter tube 32 is arranged in the left sound cavity 3, a right inverter tube 42 is arranged in the right sound cavity 4, the left inverter tube 32 can radiate sound waves in the left sound cavity 3 to the outside, and the left inverter tube can radiate sound waves in the right sound cavity 4 to the outside; furthermore, a plurality of L-shaped left inverter pipe sound transmission pieces 322 are arranged on the left inverter pipe 32, a plurality of L-shaped right inverter pipe sound transmission pieces 422 are arranged on the right inverter pipe 42, and the left inverter pipe sound transmission pieces 322 and the right inverter pipe sound transmission pieces 422 can reduce the delay of sound waves in the left inverter pipe 32 and the right inverter pipe 42, thereby improving the stereophonic effect of the dual-channel inverted mini-sound box to a certain extent.
In addition, the above detailed description is made on the dual-channel inverted mini sound box provided by the embodiment of the present invention, and a specific example should be adopted herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A dual-track phase-inverted mini sound box is characterized by comprising a sound box shell, wherein a sound insulation board is arranged inside the sound box shell, and the sound insulation board separates the inside of the sound box shell into a left sound cavity and a right sound cavity;
a left loudspeaker and a left phase inverter tube are arranged in the left sound cavity, and the opening of the left loudspeaker faces the outside of the sound box shell; one end of the left phase reversal pipe is provided with a left horn mouth type connecting pipe part which is fixed on the sound box shell and is communicated with the outside, and the other end of the left phase reversal pipe is provided with a plurality of left phase reversal pipe sound transmission pieces which are contacted with the left loudspeaker;
a right loudspeaker and a right phase-reversing tube are arranged in the right sound cavity, and the opening of the right loudspeaker faces the outside of the sound box shell; and one end of the right phase reversal pipe is provided with a right horn mouth-shaped pipe connecting part which is fixed on the sound box shell and is communicated with the outside, and the other end of the right phase reversal pipe is provided with a plurality of right phase reversal pipe sound transmission pieces which are contacted with the right loudspeaker.
2. The two-channel phase-inverted mini-speaker of claim 1, wherein said left inverter tube sound-transmitting member and said right inverter tube sound-transmitting member are both arranged in an L-shape;
one end of the left inverter tube sound transmission piece is fixed on the left inverter tube, and the other end of the left inverter tube sound transmission piece is in contact with the left loudspeaker;
one end of the right inverter tube sound transmission piece is fixed on the right inverter tube, and the other end of the right inverter tube sound transmission piece is in contact with the right loudspeaker.
3. The two-channel inverted mini speaker of claim 1, wherein a first cover plate is secured to an end of said speaker housing proximate to said left cavity, and a second cover plate is secured to an end of said speaker housing proximate to said right cavity;
the left loudspeaker is fixed on the first sound box cover plate, and the right loudspeaker is fixed on the second sound box cover plate.
4. The two-channel phase-inverted mini speaker as claimed in claim 3, wherein a plurality of left speaker fixing sleeves are disposed on a side of the first cover plate facing the left sound cavity, a plurality of left speaker fixing through holes adapted to the left speaker fixing sleeves are disposed on the left speaker, and the left speaker is fixed on the first cover plate based on the cooperation of the first connecting member with the left speaker fixing through holes and the left speaker fixing sleeves;
second audio amplifier apron orientation be provided with a plurality of right speakers fixed sleeve on one side in right sound chamber, be provided with on the right side speaker a plurality ofly with the right speaker fixed through hole of right speaker fixed sleeve looks adaptation, right side speaker based on the second connecting piece with right speaker fixed through hole, right speaker fixed sleeve's cooperation are fixed on the second audio amplifier apron.
5. The binaural phase inversion mini speaker of claim 3, wherein the first speaker cover plate is provided with a first resonance membrane on an outer side of the left speaker, and the second speaker cover plate is provided with a second resonance membrane on an outer side of the right speaker;
the first resonant diaphragm is provided with a plurality of first resonant diaphragm clamping parts, the first loudspeaker box cover plate is provided with a plurality of first resonant diaphragm clamping holes matched with the first resonant diaphragm clamping parts, and the first resonant diaphragm is fixed on the first loudspeaker box cover plate based on the matching of the first resonant diaphragm clamping parts and the first resonant diaphragm clamping holes;
be provided with a plurality of second resonance membrane joint portions on the second resonance membrane, be provided with on the second audio amplifier apron a plurality of with the second resonance membrane card hole of second resonance membrane joint looks adaptation, the second resonance membrane is based on second resonance membrane joint portion with the cooperation in second resonance membrane card hole is fixed on the second audio amplifier apron.
6. The two-channel inverted mini speaker of claim 1, wherein the two-channel inverted mini speaker further comprises a speaker control communication box, the speaker control communication box comprising a speaker control communication panel disposed on one side of the speaker control communication box, and a main control PCB and a power module disposed within the speaker control communication box;
the sound box control communication box passes through the sound box shell through hole and is embedded in the sound insulation plate groove; the sound box control communication panel is exposed on the sound box shell.
7. The dual channel phase inverted Mini speaker of claim 6, wherein said speaker control communication panel comprises a plurality of speaker control buttons, a microphone interface, a USB interface, a Mini USB interface, an SD card socket and a power charging interface;
the plurality of sound box control keys, the microphone interface, the USB interface, the Mini USB interface and the SD card seat are respectively and electrically connected with the main control PCB;
and the power supply charging interface is electrically connected with the power supply module.
8. The two-channel inverted mini speaker of claim 3, wherein the two-channel inverted mini speaker further comprises a carrying handle strap;
the portable loudspeaker is characterized in that a first portable handle belt connecting seat is arranged at the top of the first loudspeaker box cover plate, a second portable handle belt connecting seat is arranged at the top of the second loudspeaker box cover plate, one end of the portable handle belt is fixed in the first portable handle belt connecting seat, and the other end of the portable handle belt is fixed in the second portable handle belt connecting seat.
9. The dual channel inverted mini speaker of claim 3, wherein the bottom of the first speaker cover plate is provided with first speaker support legs, the bottom of the second speaker cover plate is provided with second speaker support legs, and the first speaker support legs and the second speaker support legs are at the same horizontal position.
10. The dual channel inverted mini speaker of claim 3, wherein the speaker housing, the first speaker cover plate and the second speaker cover plate are made of BMC composite material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921335441 | 2019-08-17 | ||
| CN2019213354411 | 2019-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210274507U true CN210274507U (en) | 2020-04-07 |
Family
ID=70017922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921367438.8U Expired - Fee Related CN210274507U (en) | 2019-08-17 | 2019-08-22 | Double-track phase-inverted mini sound box |
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| Country | Link |
|---|---|
| CN (1) | CN210274507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111629288A (en) * | 2020-05-07 | 2020-09-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
-
2019
- 2019-08-22 CN CN201921367438.8U patent/CN210274507U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111629288A (en) * | 2020-05-07 | 2020-09-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111629288B (en) * | 2020-05-07 | 2021-11-05 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20200822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |